1 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3 * genemit.c (gen_insn): Call gen_exp with a non-null used
4 when handling multiple insns.
5 (gen_expand): Likewise.
6 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
7 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
8 (movsi_const_16bit+1): Copy operands[1].
9 (call_pcrel): Copy the call_site pattern.
10 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
12 2006-11-12 Roger Sayle <roger@eyesopen.com>
14 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
15 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
16 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
17 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
19 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
21 Fix PR tree-optimization/29587
22 * tree-ssa-structalias.c (process_constraint): Don't
23 mark address taken due only to escaped vars constraint.
25 2006-11-12 Michael Matz <matz@suse.de>
26 Roger Sayle <roger@eyesopen.com>
28 PR rtl-optimization/29797
29 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
30 BITS_BIG_ENDIAN targets.
32 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
34 * builtins.c (fold_builtin_cosh): New.
35 (fold_builtin_1): Use it.
36 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
37 trunc to the list of "odd" functions. Also add llrint, lrint,
38 rint and nearbyint when flag_rounding_math is false.
40 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
42 * tree-flow.h (name_mappings_registered_p): Declare.
43 * tree-into-ssa.c (name_mappings_registered_p): New function.
44 * tree-cfg.c (tree_can_merge_blocks_p): Check
45 name_mappings_registered_p instead of need_ssa_update_p.
47 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
49 * tree-ssa-loop.c (tree_vectorize): Return the result of
51 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
53 * tree-vectorizer.h (vectorize_loops): Declaration removed.
54 * tree-flow.h (vectorize_loops): Declaration changed.
56 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
58 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
60 (issue_prefetch_ref): Move assignment to write_p out of loop.
61 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
62 SIMULTANEOUS_PREFETCHES into account.
63 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
64 * lambda-code.c (lcm): Renamed to ...
65 (least_common_multiple): ... and exported.
66 * tree-flow.h (least_common_multiple): Declare.
68 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
70 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
71 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
72 ud-chains. Handle AND_EXPR.
73 (record_estimate): Record whether the estimate is realistic
74 and whether it is derived from a loop exit.
75 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
76 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
78 (compute_estimated_nb_iterations): Take only realistic bounds into
79 account. Set estimate_state. Use double_ints.
80 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
81 and infer_loop_bounds_from_signedness. Do not consider basic blocks
82 that do not have to be always executed.
83 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
84 to determine whether to call infer_loop_bounds_from_undefined
85 and compute_estimated_nb_iterations.
86 (n_of_executions_at_most): Use double_ints.
87 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
88 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
89 * double-int.c (double_int_to_tree): Improve comment.
90 (double_int_fits_to_tree_p): New function.
91 * double-int.h (double_int_fits_to_tree_p): Declare.
92 * tree-data-ref.c: Include langhooks.h.
93 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
94 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
95 (analyze_array): Do not pass estimate_only argument to
96 analyze_array_indexes.
97 (get_number_of_iters_for_loop): Build tree from the stored double_int
99 (get_references_in_stmt, find_data_references_in_stmt): New functions.
100 (find_data_references_in_loop): Use find_data_references_in_stmt.
101 * tree-data-ref.h (struct data_ref_loc_d): New.
102 (get_references_in_stmt): Declare.
103 (estimate_iters_using_array): Declaration removed.
104 * cfgloop.h (struct nb_iter_bound): Change type of bound to
105 double_int. Improve comments. Add is_exit and realistic
107 (struct loop): Changed type of estimated_nb_iterations to double_int.
108 Added estimate_state field.
109 (record_estimate): Declaration removed.
111 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
113 * params.c (set_param_value): Initialize the "set" field.
114 * params.h (struct param_info): Add "set" field.
115 (PARAM_SET_P): New macro.
116 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
117 L1_CACHE_LINE_SIZE): New macros.
118 * toplev.c (DEFPARAM): Initialize the "set" field.
119 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
120 SIMULTANEOUS_PREFETCHES): Removed.
121 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
122 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
123 * config/sparc/sparc.c: Include params.h.
124 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
125 L1_CACHE_LINE_SIZE parameters.
126 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
128 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
130 * config/i386/i386.c: Include params.h.
131 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
132 (override_options): Set SIMULTANEOUS_PREFETCHES and
133 L1_CACHE_LINE_SIZE parameters.
134 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
135 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
136 L1_CACHE_LINE_SIZE parameters.
137 * config/ia64/ia64.c (ia64_optimization_options): Set
138 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
139 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
141 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
142 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
143 * doc/invoke.texi: Document new params.
145 2006-11-12 Roger Sayle <roger@eyesopen.com>
147 PR tree-optimization/13827
148 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
151 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
153 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
154 update_single_exit_for_duplicated_loops): New functions.
155 (duplicate_loop_to_header_edge): Use
156 update_single_exit_for_duplicated_loops.
157 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
158 functions only with ENABLE_CHECKING.
160 2006-11-12 Andreas Schwab <schwab@suse.de>
162 * except.c (sjlj_emit_function_enter): Remove unused variable.
164 2006-11-11 Roger Sayle <roger@eyesopen.com>
166 * fold-const.c (int_binop_types_match_p): New function.
167 (size_binop): Relax constraint that both arguments must both have
168 exactly the same sizetype type. Instead use int_binop_types_match_p.
169 (size_diffop): Likewise.
171 (make_range): Use build_int_cst instead of fold_convert.
172 (fold_cond_expr_with_comparison): Use build_int_cst to construct
173 integer constants of the correct type.
174 (fold_div_compare): Likewise.
175 (fold_single_bit_test): Likewise.
176 (fold_binary): Likewise.
177 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
178 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
180 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
183 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
184 non null value if the struct memory access is in the 0th
187 2006-11-12 Jie Zhang <jie.zhang@analog.com>
190 2006-11-11 Jie Zhang <jie.zhang@analog.com>
191 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
194 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
195 instead of builtin_define for bfin and BFIN.
197 2006-11-11 Jie Zhang <jie.zhang@analog.com>
199 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
202 2006-11-11 Jan Hubicka <jh@suse.cz>
204 * extended.texi (__builtin_expect): We no longer require second argument
206 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
207 * builtins.c (expand_builtin_expect): Simplify.
208 (expand_builtin_expect_jump): Kill.
209 * final.c (final_scan_insn): Do not skip the removed notes.
210 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
211 EXPECTED_VALUE): Remove.
212 * dojump.c (do_jump): Do not care about __builtin_expect.
213 * predict.c (expected_value_to_br_prob): Kill.
214 * function.c (expand_function_end): Do not expand
215 NOTE_INSN_REPEATED_LINE_NUMBER.
216 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
217 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
218 * cfgexpand.c (add_reg_br_prob_note): Export.
219 * cfgcleanup.c (rest_of_handle_jump2): Do not call
220 expected_value_to_br_prob.
221 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
222 * rtl.h (add_reg_br_prob_note): Declare.
224 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
226 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
228 2006-11-11 Jan Hubicka <jh@suse.cz>
230 * predict.c (predict_loops): Kill RTL variant.
232 2006-11-11 Jan Hubicka <jh@suse.cz>
234 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
235 * modulo-sched.c (find_line_note): Remove.
236 (loop_canon_p): Do not worry about line number notes.
237 (sms_schedule): Likewise.
238 * cse.c (cse_main): Likewise.
239 * regmove.c (fixup_match_1): Likewise
240 * function.c (emit_return_info_block): Likewise.
241 (expand_function_end): Likewise.
242 (thread_prologue_an_epilogue_insns): Likewise.
243 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
245 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
246 emit_note_copy_after): Kill.
247 (emit_note_copy): Do not worry about line numbers.
248 * jump.c (purge_line_number_notes): Kill.
249 (pass_purge_lineno_notes): Kill.
250 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
252 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
253 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
254 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
255 * tree-pass.h (pass_purge_lineno_notes): Kill.
256 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
257 rm_redundant_line_notes.
258 * sched-rgb.c (schedule_region): Don't rm_line_notes,
259 rm_redundant_line_notes.
260 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
261 * haifa-sched.c: Update comment about handling notes.
262 (unlink_line_notes): Kill.
263 (rm_line_notes): Kill.
264 (save_line_notes): Simplify.
265 (rm_redundant_line_notes): Kill.
267 2006-11-11 Richard Guenther <rguenther@suse.de>
269 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
270 Remove unused tree codes.
271 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
272 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
273 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
274 * tree.c (stabilize_reference): Likewise.
275 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
276 fold_unary): Likewise.
277 * tree-gimple.c (is_gimple_cast): Likewise.
278 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
279 * expr.c (expand_expr_real_1): Likewise.
280 * tree-eh.c (tree_could_trap_p): Likewise.
281 * gimplify.c (gimplify_expr): Likewise.
282 * tree-inline.c (estimate_num_insns_1): Likewise.
283 * tree-cfg.c (verify_expr): Likewise.
285 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
287 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
288 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
289 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
291 2006-11-11 Richard Sandiford <richard@codesourcery.com>
294 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
295 constraints accept neither registers or memories.
297 2006-11-11 Jie Zhang <jie.zhang@analog.com>
299 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
300 (NO_PROFILE_COUNTERS): Define as 1.
302 2006-11-10 Roger Sayle <roger@eyesopen.com>
304 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
305 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
307 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
309 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
311 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
313 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
314 (fold_builtin_hypot): Likewise.
315 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
317 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
319 2006-11-10 Roger Sayle <roger@eyesopen.com>
321 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
322 when attempting to build INTEGER_CSTs of non-integral types.
323 * expmed.c (make_tree): Use the correct type, i.e. the inner
324 type, when constructing the individual elements of a CONST_VECTOR.
326 2006-11-10 Jan Hubicka <jh@suse.cz>
328 * cse.c (cse_process_notes): Copy the propagated value.
329 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
331 * gcse.c (try_replace_reg): Copy the replacement.
332 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
333 (assign_386_stack_local): Always return copied memory expression
334 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
337 2006-11-10 Jan Hubicka <jh@suse.cz>
339 * final.c (final): Walk from first instruction.
340 * cfglayout.c (insn_locators_initialize): Remove line number notes.
342 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
345 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
347 (umulv8hi3_highpart): Ditto.
348 (vec_widen_smult_hi_v8hi): New expander.
349 (vec_widen_smult_lo_v8hi): Ditto.
351 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
354 * builtins.c (do_mpfr_arg3): New.
355 (fold_builtin_1): Handle builtins fma, fmin and fmax.
357 2006-11-09 Eric Christopher <echristo@apple.com>
362 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
363 * config.gcc (powerpc64-*-darwin*): New target.
364 * config.host: Ditto.
365 * config/rs6000/darwin64.h: New file.
366 * config/rs6000/x-darwin64: Ditto.
367 * config/rs6000/host-ppc64-darwin.c: Ditto.
369 2006-11-09 Steve Ellcey <sje@cup.hp.com>
371 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
372 routines for integer division.
374 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
376 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
378 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
381 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
383 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
385 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
386 simplify_subreg with BLKmode outer mode.
388 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
390 * doc/invoke.texi: Minor formatting fixes in option lists.
392 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
394 PR tree-optimization/29738
395 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
396 (ccp_lattice_t): Remove UNKNOWN_VAL.
397 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
398 Do not handle UNKNOWN_VAL.
399 (get_default_value): Set initial value of virtual operands to
401 (get_value): Always use get_default_value on uninitialized
403 (set_value_varying, surely_varying_stmt_p): New functions.
404 (set_lattice_value): Do not pass argument to get_value.
405 Do not handle UNKNOWN_VAL.
406 (likely_value): Follow the semantics described in the comment.
407 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
408 phi nodes DONT_SIMULATE_AGAIN.
409 (ccp_fold): Do not pass argument to get_value.
410 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
413 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
415 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
416 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
418 2006-11-08 Roger Sayle <roger@eyesopen.com>
420 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
421 test for inclusion rather than as a test for exclusion.
422 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
423 the condition after calling fold_binary.
424 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
425 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
426 * builtins.c (fold_builtin_isascii): Likewise.
427 (fold_builtin_isdigit): Likewise.
429 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
431 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
432 * configure: Regenerate.
434 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
436 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
437 enum argument instead of bool.
438 (vect_analyze_operations): Call vectorizable_type_promotion.
439 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
440 stmt_vec_info_type value.
441 (supportable_widening_operation, vectorizable_type_promotion): New
442 function declarations.
443 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
444 (vectorizable_type_promotion): New function.
445 (vect_transform_stmt): Call vectorizable_type_promotion.
446 * tree-vect-analyze.c (supportable_widening_operation): New function.
447 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
449 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
452 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
453 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
454 * tree-inline.c (estimate_num_insns_1): Add cases for above new
456 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
457 * expr.c (expand_expr_real_1): Likewise.
458 * optabs.c (optab_for_tree_code): Likewise.
459 (init_optabs): Initialize new optabs.
460 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
461 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
462 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
463 vec_unpacku_lo_optab): Initialize new optabs.
464 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
465 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
466 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
468 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
469 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
470 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
471 (vec_unpacku_lo_optab): New optabs.
472 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
473 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
474 (vec_widen_smult_hi, vec_widen_smult_lo): New.
475 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
476 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
477 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
479 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
480 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
481 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
482 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
483 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
484 implement the unsigned unpacking patterns.
485 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
486 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
487 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
488 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
489 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
490 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
491 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
492 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
493 multiplication patterns.
495 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
496 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
497 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
498 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
499 (rs6000_builtin_mul_widen_odd): New.
500 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
501 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
502 * tree-vectorizer.h (enum vect_relevant): New enum type.
503 (_stmt_vec_info): Field relevant chaned from bool to enum
505 (STMT_VINFO_RELEVANT_P): Updated.
506 (STMT_VINFO_RELEVANT): New.
507 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
508 instead of STMT_VINFO_RELEVANT_P.
509 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
510 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
511 and boolean variable with enum vect_relevant.
512 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
513 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
514 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
516 2006-11-08 Richard Henderson <rth@redhat.com>
518 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
519 vec_widen_umult_lo_v8hi): New.
520 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
521 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
523 * config/i386/i386.c (ix86_expand_sse_unpack): New.
524 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
525 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
526 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
527 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
528 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
529 vec_unpacks_lo_v4si): New.
531 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
533 * tree-vect-transform.c (vectorizable_type_demotion): New function.
534 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
535 (vect_analyze_operations): Call vectorizable_type_demotion.
536 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
537 stmt_vec_info_type value.
538 (vectorizable_type_demotion): New function declaration.
539 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
542 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
543 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
545 * tree-iniline.c (estimate_num_insns_1): Likewise.
546 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
547 * optabs.c (optab_for_tree_code): Likewise.
549 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
550 compared against the predicate of the result is not 'mode' (the input
551 to the function) but a mode with half the size of 'mode'.
552 (init_optab): Initialize new optabs.
553 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
555 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
557 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
558 (vec_pack_usat_optab): Initialize new optabs.
559 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
560 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
562 2006-11-08 Richard Henderson <rth@redehat.com>
564 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
565 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
566 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
567 (vec_interleave_highv4si, vec_interleave_lowv4si):
568 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
570 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
572 * tree-vect-transform.c (vectorizable_reduction): Support multiple
574 (vect_transform_stmt): Removed redundant code.
576 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
578 * tree-vect-transform.c (vectorizable_operation): Support multiple
581 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
583 * tree-vect-transform.c (vect_align_data_ref): Removed.
584 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
585 Updated function documentation. Return the increment stmt in ptr_incr.
586 (bump_vector_ptr): New function.
587 (vect_get_vec_def_for_stmt_copy): New function.
588 (vect_finish_stmt_generation): Create a stmt_info to newly created
590 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
592 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
593 VF is greater than the number of elements that can fit in one vector
595 (vectorizable_operation, vectorizable_condition): Likewise.
596 (vectorizable_store, vectorizable_load): Support the case that the VF
597 is greater than the number of elements that can fit in one vector word.
598 (vect_transform_loop): Don't fail in case of multiple data-types.
599 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
600 in case of multiple data-types; the smallest type determines the VF.
601 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
602 if they are of different sizes.
603 (vect_update_misalignment_for_peel): Compare misalignments in terms of
604 number of elements rather than number of bytes.
605 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
606 (vect_can_advance_ivs_p): Fix a dump printout
608 2006-11-07 Eric Christopher <echristo@apple.com>
610 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
612 * libgcc2.h: Remove transformation of bswap routines.
613 * config/i386/i386.md (bswapsi2): New.
616 2006-11-07 Jakub Jelinek <jakub@redhat.com>
618 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
619 (handle_gnu_inline_attribute): New function.
620 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
621 (merge_decls, start_decl, start_function): Likewise.
622 * doc/extend.texi: Document gnu_inline attribute.
624 2006-11-07 Steve Ellcey <sje@cup.hp.com>
627 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
628 _fixunstfdi, and _floatditf
630 2006-11-06 Anatoly Sokolov <aesok@post.ru>
632 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
634 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
635 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
636 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
637 which start in an odd register.
639 2006-11-07 Richard Sandiford <richard@codesourcery.com>
641 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
643 2006-11-07 Josh Conner <jconner@apple.com>
645 * doc/invoke.texi (fstrict-aliasing): Move implementation
647 * doc/tree-ssa.texi (Alias analysis): ...here.
649 2006-11-07 Richard Guenther <rguenther@suse.de>
651 PR tree-optimization/29610
652 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
653 of tree_purge_dead_eh_edges as it may free dominators.
655 * g++.dg/other/pr29610.C: New testcase.
657 2006-11-07 David Ung <davidu@mips.com>
659 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
660 costs when optimizing for size.
661 (override_options): Use mips_rtx_cost_optimize_size table for cost
664 2006-11-07 Jie Zhang <jie.zhang@analog.com>
666 * gcc.c (process_command): Treat -b as normal switch if its argument
669 2006-11-07 David Ung <davidu@mips.com>
671 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
674 2006-11-06 Eric Christopher <echristo@apple.com>
676 * config.gcc: Add x86_64-darwin host support.
677 * config.host: Ditto.
678 * config/i386/darwin64.h: New file.
679 * config/i386/t-darwin64: Ditto.
681 2006-11-06 Janis Johnson <janis187@us.ibm.com>
683 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
684 and output-exists-not.
686 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
689 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
690 checking for overflow.
692 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
694 * configure.ac: Fixed typo in case statement: :: changed to ;;
696 2006-11-06 Bob Wilson <bob.wilson@acm.org>
698 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
699 count_leading_zeros, and count_trailing_zeros.
700 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
701 (TARGET_FOLD_BUILTIN): Define.
702 (TARGET_EXPAND_BUILTIN): Define.
703 (xtensa_init_builtins): New.
704 (xtensa_fold_builtin): New.
705 (xtensa_expand_builtin): New.
706 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
707 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
708 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
709 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
710 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
711 (any_extend): New code macro.
712 (u, su): New code attributes.
713 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
714 (nsau): Remove; replaced by clzsi2.
715 (ffssi2): Use clzsi2.
716 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
717 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
718 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
719 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
720 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
722 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
724 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
726 * config/arm/t-strongarm-elf: Likewise.
727 * config/arm/t-pe: Likewise.
728 * config/arm/t-arm-elf: Likewise.
729 * config/arm/t-xscale-elf: Likewise.
730 * config/arm/t-arm-coff: Likewise.
731 * config/arm/t-xscale-coff: Likewise.
732 * config/arm/t-wince-pe: Likewise.
734 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
736 * config/sh/lib1funcs-4-300.asm: Guard entire file with
739 2006-11-05 Jakub Jelinek <jakub@redhat.com>
742 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
745 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
748 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
749 as a valid 80387 constant.
750 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
751 * config/i386/i386.md (unnamed splitter): Split the load of
752 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
755 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
757 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
758 from the soft-frame, argument and virtual registers.
760 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
762 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
763 patterns for standard 80387 constants.
765 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
766 Steven Bosscher <steven@gcc.gnu.org>
768 * fwprop.c: New file.
769 * Makefile.in: Add fwprop.o.
770 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
771 * passes.c (init_optimization_passes): Schedule forward propagation.
772 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
774 * timevar.def (TV_FWPROP): New.
775 * common.opt (-fforward-propagate): New.
776 * opts.c (decode_options): Enable forward propagation at -O2.
777 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
778 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
779 canon_for_address, table_size): Remove.
780 (new_basic_block, insert, remove_from_table): Remove references to
782 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
783 simplification loop more straightforward by not calling fold_rtx
785 (equiv_constant): Move here a small part of fold_rtx_subreg,
786 do not call fold_rtx. Call avoid_constant_pool_reference
788 * recog.h (canonicalize_change_group): New.
790 * doc/invoke.texi (Optimization Options): Document fwprop.
791 * doc/passes.texi (RTL passes): Document fwprop.
793 2006-11-03 Geoffrey Keating <geoffk@apple.com>
795 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
796 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
797 (grokdeclarator): Likewise.
799 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
801 * tree-dump.c (dump_enable_all): Rename local variable
802 ir_type to avoid name conflicts.
803 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
804 instead of using ir_type().
805 * profile.c (tree_register_profile_hooks): Likewise.
806 * value-prof.c (tree_register_value_prof_hooks): Likewise.
807 * basic-block.h (struct edge_def): Likewise.
808 * config/arm/arm.c (legitimize_pic_address): Likewise.
809 * coretypes.h (ir_type): New enum of all intermediate languages
811 * cfghooks.c (ir_type): Rename to...
812 (current_ir_type): ...this. Distinguish between cfgrtl and
813 cfglayout mode when the current IR is RTL. Return enum ir_type.
814 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
816 2006-11-03 Paul Brook <paul@codesourcery.com>
818 * config/arm/arm.c (arm_file_start): New function.
819 (TARGET_ASM_FILE_START): Define.
820 (arm_default_cpu): New variable.
821 (arm_override_options): Set arm_default_cpu.
823 2006-11-03 David Ung <davidu@mips.com>
825 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
826 PROCESSOR_24KC and PROCESSOR_24KF.
827 * config/mips/mips.c (mips_cpu_info_table): Add processor names
828 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
829 (mips_rtx_cost_data): Add costs for the 24kc.
830 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
831 * config/mips/24k.md: Remove references to 24k and replace with
832 uses of 24kc/24kf in the appropriate reservations.
833 * doc/invoke.texi (MIPS Options): Updated.
835 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
837 * config/sh/crt1.asm: Fix #ifdef indent.
839 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
840 Merged from STMicroelectronics sources:
841 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
842 * config/sh/crt1.asm (vbr_600): Add missing #if.
843 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
844 * sh.opt (mfused-madd): New option.
845 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
846 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
847 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
848 Remove pointless handler at VBR+0.
849 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
850 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
851 fr7. Make sure the timer handler is called with the correct FPU
852 precision setting, according to the ABI.
853 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
854 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
855 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
856 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
857 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
858 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
859 zero as second operand.
860 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
861 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
862 Fixed some bugs related to negative values, in particular -0
863 and overflow at -0x80000000.
864 * config/sh/divcost-analysis: Added sh4-300 figures.
865 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
866 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
867 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
868 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
869 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
870 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
872 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
874 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
875 SH4-300 scheduling description & fixes to SH4-[12]00 description:
876 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
877 mac_mem, mem_mac, dfp_mul, fp_cmp.
878 (insn_class, dfp_comp, any_fp_comp): Update.
879 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
880 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
881 (muldf3_i): Likewise.
882 (movsi_i): Split rI08 alternative into two separate alternatives.
884 (movsi_ie, movsi_i_lowpart): Likewise.
885 (movqi_i): Split ri alternative into two separate alternatives.
887 * sh1.md (sh1_load_store, sh1_fp): Update.
888 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
889 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
890 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
891 (sh4a_fp_double_arith): Likewise.
892 * sh4-300.md: New file.
893 * sh.c (sh_handle_option): Handle m4-300* options.
894 (sh_adjust_cost): Fix latency of auto-increments.
895 Handle SH4-300 differently than other SH4s. Check for new insn types.
896 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
897 been set by an option.
898 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
899 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
900 (mbranch-cost=): Likewise.
901 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
903 * sh.md (mulsf3): Remove special expansion code.
904 (mulsf3_ie): Now a define_insn_and_split.
905 (macsf3): Allow for TARGET_SH4.
907 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
908 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
909 (expand_cbranchdi4): Likewise.
910 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
911 CONST_DOUBLE if the outer code is COMPARE.
912 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
913 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
914 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
915 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
916 Remove redundant fp_{zero,one}_operand checks.
917 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
918 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
919 (expand_cbranchdi4): Likewise.
920 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
921 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
923 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
925 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
928 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
930 * doc/invoke.texi: Fix mfp-trap-mode typo.
932 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
934 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
935 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
936 file_end_indicate_exec_stack.
937 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
939 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
940 for a non-executable stack.
941 * crti.asm: Likewise.
942 * crtn.asm: Likewise.
943 * libunwind.S: Likewise.
945 2006-11-02 Ben Elliston <bje@au.ibm.com>
947 * tree-ssa.c (warn_uninit): Use expand_location variables for
948 locus and declaration locus.
950 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
953 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
954 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
955 cmp{eq,gt,gtu}{si,di}_media.
956 (*cmpne0si_media): Remove.
957 (*movsicc_umin): Adjust gen_cmp*_media call.
958 (unordered): Change the mode of unordered and operands[1] to
960 (seq): Adjust gen_cmp*_media calls. Make the mode of
961 a temporary result of compare SImode if needed. If the mode
962 of operands[0] is DImode, extend the temporary result to DImode.
963 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
964 (sunorderd): Change the mode of match_operand and unorderd to
966 (cmpeq{sf,df}_media): Remove.
967 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
968 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
969 and compare operation to SImode.
971 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
973 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
975 (sparc64-sun-solaris2*): Likewise.
977 2006-11-02 Paul Brook <paul@codesourcery.com>
979 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
980 from priority argument. Use different section for non-default
982 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
984 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
987 * except.c (switch_to_exception_section): Do not cache the section
988 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
989 and flag_function_sections is set.
991 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
994 * builtins.c (do_mpfr_sincos): New.
995 (fold_builtin_1): Use it to fold builtin sincos.
997 2006-11-01 Roger Sayle <roger@eyesopen.com>
999 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
1000 it into -D_REENTRANT.
1002 2006-11-01 Roger Sayle <roger@eyesopen.com>
1004 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
1005 whether the assembler supports taking the difference of symbols in
1006 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
1007 * configure: Regenerate.
1008 * config.in: Regenerate.
1009 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
1010 the assembler doesn't support taking the difference of symbols in
1011 different sections, i.e. we're using the native solaris assembler.
1013 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
1014 Peter Bergner <bergner@vnet.ibm.com>
1016 * doc/invoke.texi: Add cpu_type power6x
1017 (RS/6000 and PowerPC Options): Add -mmfpgpr.
1018 * config.gcc: Add cpu_type power6x.
1019 * configure.ac: Add test for mf{t,f}gpr instructions.
1020 (HAVE_AS_MFPGPR): New.
1021 * config.in: Regenerate.
1022 * configure: Regenerate.
1023 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
1024 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
1025 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
1026 and mftgpr attributes.
1027 (define_attr "cpu"): Add power6.
1028 Change instruction sequences to use new attributes.
1029 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
1030 (fix_truncdfsi2_mfpgpr): New.
1031 (floatsidf_ppc64_mfpgpr): New.
1032 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
1033 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
1034 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
1035 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
1036 (fix_truncdfsi2): Use gpc_reg_operand constraint.
1037 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
1038 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
1039 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
1040 cntlz,exts and var_delayed_compare.
1041 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1042 _ARCH_PWR6X, if features enabled.
1043 * config/rs6000/rs6000.opt (mmfpgpr): New.
1044 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
1045 (cached_can_issue_more): New variable.
1046 (processor_costs): Add power6_cost.
1047 (rs6000_sched_init): New function.
1048 (is_dispatch_slot_restricted): Deleted.
1049 (set_to_load_agen): New function.
1050 (is_load_insn,is_store_insn): New functions.
1051 (adjacent_mem_locations): New function.
1052 (insn_must_be_first_in_group): New function.
1053 (insn_must_be_last_in_group): New function.
1054 (rs6000_sched_reorder): New function.
1055 (rs6000_sched_reorder2): New function.
1056 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
1057 TARGET_SCHED_REORDER2): Define.
1058 (processor_target_table): Use PROCESSOR_POWER6 for power6.
1059 Add power6x. Add MASK_MFPGPR for power6x.
1060 (POWERPC_MASKS): Add MASK_MFPGPR.
1061 (rs6000_override_options): Set rs6000_always_hint to false
1062 for power6. Set rs6000_align_branch_targets. Replace
1063 rs6000_sched_groups check with rs6000_align_branch_targets.
1064 Use PROCESSOR_POWER6.
1065 (last_scheduled_insn): New variable.
1066 (load_store_pendulum): New variable.
1067 (rs6000_variable_issue): Set last_scheduled_insn and
1068 cached_can_issue_more.
1069 (rs6000_adjust_cost): Add power6 cost adjustments.
1070 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
1071 with insn_must_be_first_in_group. Add power6 priority adjustments.
1072 (rs6000_issue_rate): Add CPU_POWER6.
1073 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
1074 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
1075 (TARGET_MFPGPR): New.
1076 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
1077 (ASM_CPU_SPEC): Add power6x.
1078 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
1080 * config/rs6000/power6.md: New file.
1082 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
1084 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1085 HOST_WIDE_INT_PRINT to print high and low parts. Use
1086 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
1087 printing a hexadecimal number prefix it with 0x.
1089 2006-11-01 Chris Johns <chris@contemporary.net.au>
1092 * Makefile.in (install-driver): Use exeext when installing
1093 $target-gcc-$version.
1095 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
1097 * c-common.c (flag_cpp0x): New.
1098 * c-common.h (flag_cpp0x): New.
1099 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
1100 supported, define __GXX_EXPERIMENTAL_CPP0X__.
1101 * c-opts.c (set_std_cxx0x): New.
1102 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
1103 * c.opt (std=c++0x): Document.
1104 (std=gnu++0x): Ditto.
1105 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
1106 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
1108 2006-11-01 Richard Guenther <rguenther@suse.de>
1110 * config/i386/i386.c (ix86_expand_rint): Fix issues with
1112 (ix86_expand_floorceildf_32): Likewise.
1113 (ix86_expand_floorceil): Likewise.
1114 (ix86_expand_trunc): Likewise.
1116 2006-10-31 Andrew Pinski <pinskia@gmail.com>
1118 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
1121 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
1123 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
1125 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
1127 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
1129 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
1130 * configure.ac (use_cxa_atexit): As a special case, don't test
1131 for libc definition of __cxa_atexit on mingw32
1132 * configure: Regenerate.
1133 * config.gcc (i[34567]86-pc-mingw32): Default to
1134 enable__cxa_atexit=yes.
1136 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1138 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
1140 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1143 * c-decl.c (start_struct): Don't create self-containing
1145 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1147 * config/rs6000/rs6000-protos.h
1148 (darwin_rs6000_special_round_type_align): New.
1149 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
1150 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
1152 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1154 * toplev.c (compile_file): Call final_write_globals
1155 even if there have been errors.
1157 2006-10-31 Eric Christopher <echristo@apple.com>
1158 Falk Hueffner <falk@debian.org>
1160 * doc/extend.texi (__builtin_bswap32): Document.
1161 (__builtin_bswap64): Ditto.
1162 * doc/libgcc.texi (bswapsi2): Document.
1164 * doc/rtl.texi (bswap): Document.
1165 * optabs.c (expand_unop): Don't widen a bswap.
1166 (init_optabs): Init bswap. Set libfuncs explicitly
1167 for bswapsi2 and bswapdi2.
1168 * optabs.h (OTI_bswap): New.
1169 (bswap_optab): Ditto.
1170 * genopinit.c (optabs): Handle bswap_optab.
1171 * tree.h (tree_index): Add TI_UINT32_TYPE and
1173 (uint32_type_node): New.
1174 (uint64_type_node): Ditto.
1175 * tree.c (build_common_tree_nodes_2): Initialize
1176 uint32_type_node and uint64_type_node.
1177 * builtins.c (expand_builtin_bswap): New.
1178 (expand_builtin): Call.
1179 (fold_builtin_bswap): New.
1180 (fold_builtin_1): Call.
1181 * fold-const.c (tree_expr_nonnegative_p): Return true
1183 * builtin-types.def (BT_UINT32): New.
1185 (BT_FN_UINT32_UINT32): Ditto.
1186 (BT_FN_UINT64_UINT64): Ditto.
1187 * builtins.def (BUILT_IN_BSWAP32): New.
1188 (BUILT_IN_BSWAP64): Ditto.
1189 * rtl.def (BSWAP): New.
1190 * genattrtab.c (check_attr_value): New.
1191 * libgcc2.c (__bswapSI2): New.
1192 (__bswapDI2): Ditto.
1193 * libgcc2.h (__bswapSI2): Declare.
1194 (__bswapDI2): Ditto.
1195 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
1196 * simplify-rtx.c (simplify_const_unary_operation): Return
1198 * libgcc-std.ver (__bwapsi2): Add.
1199 (__bswapdi2): Ditto.
1200 * reload1.c (eliminate_regs_1): Add bswap.
1201 (elimination_effects): Ditto.
1202 * config/i386/i386.h (x86_bswap): New.
1203 (TARGET_BSWAP): Use.
1204 * config/i386/i386.c (x86_bswap): Set.
1206 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1208 * coverage.c (coverage_checksum_string): Update comment.
1209 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
1210 of get_file_function_name.
1211 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
1212 of get_file_function_name_long.
1213 * tree.c (get_file_function_name): Rename from
1214 get_file_function_name_long; improve comment; handle 'I' and 'D'
1215 specially when the target has ctor/dtor support; remove special
1217 (get_file_function_name): Remove.
1218 * tree.h (get_file_function_name): Rename from
1219 get_file_function_name_long.
1220 (get_file_function_name): Remove prototype.
1222 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1224 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
1225 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1227 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
1228 Call dsymutil when compiling and linking one or more source files
1231 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1234 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
1236 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1238 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
1239 inline static functions in c99 mode.
1242 * doc/extend.texi (Inline): Update.
1243 * c-tree.h (struct language_function): Remove field 'extern_inline'.
1244 * c-decl.c (current_extern_inline): Delete.
1245 (pop_scope): Adjust test for an undefined nested function.
1246 Add warning about undeclared inline function.
1247 (diagnose_mismatched_decls): Update comments. Disallow overriding
1248 of inline functions in a translation unit in C99. Allow inline
1249 declarations in C99 at any time.
1250 (merge_decls): Boolize variables. Handle C99 'extern inline'
1252 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
1253 C99 inline semantics.
1254 (start_function): Don't clear current_extern_inline. Don't set
1256 (c_push_function_context): Don't push current_extern_inline.
1257 (c_pop_function_context): Don't restore current_extern_inline.
1260 * c-typeck.c (build_external_ref): Warn about static variables
1261 used in extern inline functions.
1262 * c-decl.c (start_decl): Warn about static variables declared
1263 in extern inline functions.
1265 2006-10-31 Roger Sayle <roger@eyesopen.com>
1268 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
1269 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
1270 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
1271 or y is an even integer.
1273 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
1276 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
1277 * gthr-posix95.h (__gthread_active_p): Likewise.
1279 2006-10-31 Richard Guenther <rguenther@suse.de>
1281 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
1282 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
1283 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
1284 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
1285 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
1286 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
1287 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
1288 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
1291 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
1293 * opts.c (decode_options): Disable CSE skip blocks.
1295 2006-10-30 Dirk Mueller <dmueller@suse.de>
1297 * c-common.h (strict_aliasing_warning): Fix whitespace.
1298 * c-decl (start_function): Move code for main decl warning ..
1299 * c-common.c (check_main_parameter_types): .. here.
1300 * c-common.h (check_main_parameter_types): Declare.
1302 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1305 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
1307 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
1309 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
1310 be a PARALLEL containing sets. Return false when out_pat is not
1313 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1315 * config/mips/mips.md (mul<mode>3): Split into...
1316 (mulsi3, muldi3): ...these separate patterns.
1318 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1320 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
1321 but with each set of options separated by spaces.
1323 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
1325 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
1326 dwarf_reg_size_table has been initialized.
1328 2006-10-30 Roger Sayle <roger@eyesopen.com>
1330 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
1331 * ddg.c (print_ddg_edge): Likewise.
1332 * dwarf2out.c (prune_unused_types_walk): Likewise.
1333 * ifcvt.c (noce_try_cmove_arith): Likewise.
1334 * langhooks.c (add_builtin_function): Likewise.
1335 * reg-stack.c (subst_stack_regs_pat): Likewise.
1336 * tree.c (expanded_location): Likewise.
1337 * tree-dump.c (dequeue_and_dump): Likewise.
1339 2006-10-30 David Daney <ddaney@avtrex.com>
1341 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
1343 2006-10-30 Jakub Jelinek <jakub@redhat.com>
1345 PR tree-optimization/29637
1346 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
1347 of the innertype is the innertype itself.
1349 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
1351 * dwarf2out.c (file_name_acquire): Correct typo.
1353 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
1355 * tree.h (tree_value_handle): Remove struct value_set declaration.
1356 Change value_set to bitmap_set.
1357 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
1358 * tree-vn.c (get_value_handle): Made inline and moved to
1360 * tree-flow-inline.h: (has_stmt_ann): New function.
1361 * tree-ssa-pre.c (expressions): New variable.
1362 (next_expression_id): Ditto.
1363 (alloc_expression_id): New function.
1364 (struct value_set): Remove.
1365 (get_expression_id): New function.
1366 (get_or_alloc_expression_id): Ditto.
1367 (expression_for_id): Ditto.
1368 (clear_expression_ids): Ditto.
1369 (FOR_EACH_EXPR_ID_IN_SET): New macro.
1370 (bb_value_sets): Renamed to bb_bitmap_sets.
1371 All value sets replaced with bitmap_sets.
1373 (BB_VISITED): New macro.
1374 (postorder): New variable.
1375 (add_to_value): Removed.
1376 (value_exists_in_set_bitmap): Ditto.
1377 (value_insert_into_set_bitmap): Ditto.
1380 (set_remove): Ditto.
1381 (set_contains_value): Ditto.
1382 (insert_into_set): Ditto.
1384 (find_leader): Ditto.
1385 (bitmap_set_subtract_from_value_set): Ditto.
1386 (value_insert_into_set): Ditto.
1387 (print_value_set): Ditto.
1388 (debug_value_set): Ditto.
1389 (constant_expr_p): New function.
1390 (bitmap_remove_from_set): Ditto.
1391 (bitmap_insert_into_set): Ditto.
1392 (bitmap_set_free): Ditto.
1393 (vh_compare): Ditto.
1394 (sorted_array_from_bitmap_set): Ditto.
1395 (bitmap_set_subtract): Ditto.
1396 (bitmap_set_equal): Ditto.
1397 (debug_bitmap_set): Ditto.
1398 (find_leader_in_sets): Ditto.
1399 (bitmap_set_replace_value): Modify for bitmapped sets.
1400 (phi_translate): Ditto.
1401 (phi_translate_set): Ditto.
1402 (bitmap_find_leader): Ditto.
1403 (valid_in_sets): Ditto.
1404 (union_contains_value): Ditto.
1406 (compute_antic_aux): Ditto. Mark changed blocks.
1407 (compute_antic): Ditto. Iterate in postorder and only over
1409 (compute_rvuse_and_antic_safe): Reuse postorder.
1410 (create_component_ref_by_pieces): Modify for bitmapped sets.
1411 (find_or_generate_expression): Ditto.
1412 (create_expression_by_pieces): Ditto.
1413 (insert_into_preds_of_block): Ditto.
1414 (changed_blocks): New variable.
1415 (do_regular_insertion): Broken out from insert_aux.
1416 (insert_aux): Modified for bitmapped sets.
1417 (find_existing_value_expr): New function.
1418 (create_value_expr_from): Use it.
1419 (insert_extra_phis): Removed.
1420 (print_bitmap_set): Renamed from bitmap_print_value_set.
1421 (compute_avail): Handle RETURN_EXPR.
1422 (init_pre): Modify for bitmapped sets.
1423 * tree-flow.h (has_stmt_ann): New function.
1425 2006-10-29 Roger Sayle <roger@eyesopen.com>
1427 * builtins.c (fold_builtin_floor): Check for the availability of
1428 the C99 trunc function before transforming floor into trunc.
1430 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1432 * builtins.c (fold_builtin_hypot): Rearrange recursive
1433 transformation before others, and also do ABS_EXPR. When
1434 necessary, check flag_unsafe_math_optimizations. When necessary,
1437 2006-10-29 Roger Sayle <roger@eyesopen.com>
1439 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
1440 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
1441 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
1442 Fold -X eq/ne -Y as X eq/ne Y.
1444 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1446 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
1447 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
1448 rather than GENERATE_MULT3_SI in the various define_peephole2s.
1449 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
1450 Use an inclusive test for "mult" rather than "mul".
1451 (rotr<mode>3): Depend on ISA_HAS_ROR.
1452 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
1454 (GENERATE_MULT3_DI): Delete.
1455 (ISA_HAS_64BIT_REGS): Use consistent formatting.
1456 (ISA_HAS_MUL3): New macro.
1457 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
1458 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
1459 (ISA_HAS_CLZ_CLO): Likewise.
1460 (ISA_HAS_DCLZ_DCLO): Delete.
1461 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
1462 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
1463 the VR4120 and VR4130.
1464 (ISA_HAS_MACCHI): Use consistent formatting.
1465 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
1466 (ISA_HAS_ROR): ...this new macro.
1467 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
1468 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
1469 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
1471 2006-10-29 Roger Sayle <roger@eyesopen.com>
1473 PR tree-optimization/15458
1474 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
1477 2006-10-29 Richard Guenther <rguenther@suse.de>
1479 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
1480 (ix86_expand_truncdf_32): Likewise.
1481 * config/i386/i386.c (ix86_expand_trunc): New function expanding
1482 trunc inline for SSE math and -fno-trapping-math and if not
1483 optimizing for size.
1484 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
1485 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
1486 for expanding btrunc inline for SSE math.
1488 2006-10-29 Joseph Myers <joseph@codesourcery.com>
1490 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
1491 Handle tuning for bi-arch i[34567]86-*-linux* like that for
1492 i[34567]86-*-solaris2.1[0-9]*.
1493 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
1494 Define conditionally depending on TARGET_64BIT_DEFAULT.
1495 (SPEC_32, SPEC_64): Define.
1496 (LINK_SPEC): Use them.
1497 * doc/install.texi (--enable-targets=all): Document for x86-linux.
1499 2006-10-29 Richard Guenther <rguenther@suse.de>
1501 * config/i386/i386-protos.h (ix86_expand_round): Declare.
1502 (ix86_expand_rounddf_32): Likewise.
1503 * config/i386/i386.c (ix86_expand_round): New function expanding
1504 round inline for SSE math and -fno-trapping-math and if not
1505 optimizing for size.
1506 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
1507 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
1508 round via ix86_expand_round.
1510 2006-10-29 Richard Guenther <rguenther@suse.de>
1512 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
1513 (ix86_expand_floorceildf_32): Likewise.
1514 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
1515 static helper function.
1516 (ix86_expand_floorceil): Expander for floor and ceil to SSE
1518 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
1519 * config/i386/i386.md (floordf2): Adjust to enable floor
1520 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
1521 -fno-trapping-math is enabled and if not optimizing for size.
1522 (floorsf2, ceildf2, ceilsf2): Likewise.
1523 * config/i386/sse.md (sse_maskcmpsf3): New insn.
1524 (sse2_maskcmpdf3): Likewise.
1526 2006-10-29 Richard Guenther <rguenther@suse.de>
1528 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
1529 rint in case -fno-trapping-math is enabled.
1530 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
1531 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
1532 (ix86_expand_sse_fabs): Likewise.
1533 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
1534 * config/i386/i386.md (rintdf2): Enable for SSE math if
1535 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
1536 (rintsf2): Likewise.
1538 2006-10-29 Richard Guenther <rguenther@suse.de>
1540 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
1541 to conversion optabs.
1542 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
1543 as conversion optab.
1544 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
1545 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
1546 (lfloor_optab, lceil_optab): Adjust defines.
1547 * builtins.c (expand_builtin_int_roundingfn): Adjust for
1548 lfloor and lceil optabs now being conversion optabs.
1549 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
1550 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
1551 New static helper function.
1552 (ix86_expand_lfloorceil): New function to expand lfloor and
1554 * config/i386/i386.md (lfloor<mode>2): Split into ...
1555 (lfloorxf<mode>2): ... x87 variant
1556 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
1557 using ix86_expand_lfloorceil.
1558 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
1560 * doc/md.texi (lfloorMN, lceilMN): Document.
1562 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1564 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
1565 -mno-shared assembler option on mips targets.
1566 * configure, config.in: Regenerate.
1567 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
1568 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
1569 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
1571 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1573 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
1574 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
1576 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
1578 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
1579 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
1582 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1585 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
1586 (fold_builtin_pow): Evaluate constant arguments at compile-time
1588 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
1589 (do_mpfr_ckconv): New helper function.
1590 (do_mpfr_arg1): Use do_mpfr_ckconv.
1591 (do_mpfr_arg2): New.
1593 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1596 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
1597 (-fdump-rtl-sched): Rename to ..
1598 (-fdump-rtl-sched1): here. Also fix file extension number.
1600 2006-10-28 Richard Guenther <rguenther@suse.de>
1602 * fold-const.c (maybe_canonicalize_comparison): Fix code
1605 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1607 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
1608 (NON_QI_REG_P): Use IN_RANGE.
1609 (REX_INT_REGNO_P): Use IN_RANGE.
1610 (FP_REGNO_P): Use IN_RANGE.
1611 (SSE_REGNO_P): Use IN_RANGE.
1612 (REX_SSE_REGNO_P): Use IN_RANGE.
1613 (MMX_REGNO_P): Use IN_RANGE.
1614 (STACK_REGNO_P): New macro.
1615 (STACK_REG_P): Use STACK_REGNO_P.
1616 (NON_STACK_REG_P): Use STACK_REGNO_P.
1617 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
1618 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
1619 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
1620 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
1621 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
1623 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
1625 * except.h (output_function_exception_table): Add 'const char*' param.
1626 * except.c (switch_to_exception_section): Add 'const char*' param.
1627 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1628 and flag_function_sections is set, use a function-specific section.
1629 (output_function_exception_table): Add 'const char*' param.
1630 Adjust call to switch_to_exception_section.
1631 * final.c (rest_of_handle_final): Adjust calls to
1632 output_function_exception_table.
1633 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
1634 * config.in: Regenerate.
1635 * configure: Likewise.
1637 2006-10-28 Richard Guenther <rguenther@suse.de>
1640 * fold-const.c (maybe_canonicalize_comparison_1): Helper
1641 for maybe_canonicalize_comparison.
1642 (maybe_canonicalize_comparison): New function for canonicalizing
1644 (fold_comparison): Call it to canonicalize comparisons with
1647 2006-10-28 Richard Guenther <rguenther@suse.de>
1650 * builtins.c (expand_builtin_int_roundingfn_2): Expand
1651 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
1652 (expand_builtin): Adjust likewise.
1653 * genopinit.c (optabs[]): Add lround optab.
1654 * optabs.c (init_optabs): Initialize lround_optab.
1655 * optabs.h (enum convert_optab_index): Add COI_lround.
1656 (lround_optab): Define.
1657 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
1658 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
1660 (ix86_expand_lround): New function.
1661 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
1663 * doc/md.texi (lroundMN2): Document.
1665 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1668 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
1669 argument to HOST_WIDE_INT. Update function prototype.
1670 (round_frame_size): Change return type to HOST_WIDE_INT. Change
1671 "size" argument to HOST_WIDE_INT. Update function prototype.
1673 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1675 * config/i386/i386.c (output_387_ffreep): Create output from a
1676 template string for !HAVE_AS_IX86_FFREEP.
1678 2006-10-27 Eric Christopher <echristo@apple.com>
1680 * config/darwin.c: Fix formatting and grammar.
1682 2006-10-27 Jan Hubicka <jh@suse.cz>
1684 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1685 to be thrown away soon when IGNORE is set.
1686 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1687 indicating when return value shall not be computed.
1688 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1690 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1692 * config/i386/i386.h (TARGET_GEODE):
1693 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1694 (TARGET_CPU_DEFAULT_geode): New macro.
1695 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1696 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1697 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1698 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1699 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1701 (TARGET_CPU_DEFAULT_NAMES): Add geode.
1702 (processor_type): Add PROCESSOR_GEODE.
1704 * config/i386/i386.md: Include geode.md.
1707 * config/i386/i386.c (geode_cost): New initialized global
1709 (m_GEODE, m_K6_GEODE): New macros.
1710 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1711 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1712 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1713 x86_schedule): Use m_K6_GEODE instead of m_K6.
1714 (x86_movx, x86_cmove): Set up m_GEODE.
1715 (x86_integer_DFmode_moves): Clear m_GEODE.
1716 (processor_target_table): Add entry for geode.
1717 (processor_alias_table): Ditto.
1719 * config/i386/geode.md: New file.
1721 * doc/invoke.texi: Add entry about geode processor.
1723 2006-10-27 Mike Stump <mrs@apple.com>
1725 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1726 __DYNAMIC__ from here back to ...
1727 * config/darwin.h (CPP_SPEC): ... here.
1729 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1730 Nathan Sidwell <nathan@codesourcery.com>
1732 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1733 when choosing the minimum heapsize.
1735 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1737 * gcc/unwind-dw2.h: Move cfa-related variables into
1738 struct frame_state_reg_info to ensure that the CFA is properly
1739 handled when executing DW_CFA_{remember,restore}_state.
1740 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1741 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1742 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1743 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1744 gcc/config/rs6000/linux-unwind.h,
1745 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1746 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1747 Modify to use new cfa_* fields.
1749 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1751 * config/s390/s390.c (s390_init_frame_layout): Check positive
1754 2006-10-26 Ben Elliston <bje@au.ibm.com>
1756 * gimplify.c (get_name): Remove extraneous break.
1757 (gimplify_omp_for): Initialise ret with GS_OK.
1759 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1761 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1762 Add unix98.o to link line.
1764 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1767 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1768 Calculate compile-time constants using MPFR.
1769 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1770 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1772 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1774 * config/xtensa/lib2funcs.S: Use C-style comments.
1776 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1778 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1779 (file_table_relative_p): Likewise.
1780 (dwarf2out_finish): Likewise.
1781 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1783 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1785 * tree-ssa-structalias.c (intra_create_variable_infos):
1786 Don't recreate nonlocal_all if it already exists.
1788 2006-10-25 Richard Guenther <rguenther@suse.de>
1791 * optabs.h (enum optab_index): Remove OTI_lrint.
1792 (enum convert_optab_index): Add COI_lrint.
1793 (lrint_optab): Adjust.
1794 (expand_sfix_optab): Declare.
1795 * optabs.c (expand_sfix_optab): New function.
1796 (init_optabs): Init lrint_optab as conversion optab.
1797 * genopinit.c (lrint_optab): Change to a conversion optab.
1798 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1799 expansion via conversion optab.
1800 * config/i386/i386.md (*fistdi2_1): Remove
1801 flag_unsafe_math_optimizations guard.
1802 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1803 fist<mode>2_with_temp): Likewise.
1804 (lrint<mode>2): Split into...
1805 (lrintxf<mode>2): ... x87 part
1806 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1807 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1808 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1809 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1810 * doc/md.texi (lrintMN2): Document.
1812 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1815 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1816 Use inc and dec instructions for TARGET_USE_INCDEC.
1817 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1818 ("sync_double_compare_and_swap<mode>"): Likewise.
1819 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1820 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1821 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1822 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1823 ("sync_old_add<mode>"): Likewise.
1824 ("sync_lock_test_and_set<mode>"): Likewise.
1825 ("sync_lock_test_and_set<mode>"): Likewise.
1826 ("sync_add<mode>"): Likewise.
1827 ("sync_sub<mode>"): Likewise.
1828 ("sync_ior<mode>"): Likewise.
1829 ("sync_and<mode>"): Likewise.
1830 ("sync_xor<mode>"): Likewise.
1832 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1834 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1835 (remainder_optab): Define corresponding macro.
1836 (drem_optab): Remove.
1837 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1838 drem_optab initialization.
1839 * genopinit.c (optabs): Implement remainder_optab using
1840 remainder?f3 patterns. Remove drem_optab.
1841 * builtins.c (expand_builtin_mathfn_2): Handle
1842 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1843 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1844 expand_builtin_mathfn_2.
1846 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1847 depend on flag_unsafe_math_optimizations.
1849 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1850 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1851 Do not depend on flag_unsafe_math_optimizations. Use
1852 truncxf?f expander instead of truncxf?f_i387_noop.
1854 ("fpremxf4", "fprem1xf4"): Do not depend on
1855 flag_unsafe_math_optimizations.
1856 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1857 flag_unsafe_math_optimizations. Use truncxf?f expander
1858 instead of truncxf?f_i387_noop.
1860 * doc/md.texi (fmod, remainder): Document standard named pattern.
1862 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1863 David Daney <ddaney@avtrex.com>
1866 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1868 2006-10-25 Ben Elliston <bje@au.ibm.com>
1870 * doc/extend.texi (Variable Attributes): Typo fix.
1872 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1874 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1875 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1876 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1877 (FRAME_POINTER_REGNUM): Update register number to 21.
1878 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1879 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1881 * config/i386/i386.c (regclass_map): Add fpcr entry.
1882 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1884 (print_reg): Assert REGNO (x) != FPCR_REG.
1886 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1887 (DIRFLAG_REG): Renumber.
1888 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1889 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1890 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1891 hardcoded SSE register numbers.
1893 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1894 hardcoded MMX register numbers.
1896 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1899 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1900 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1902 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1903 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1904 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1905 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1907 2006-10-24 Richard Guenther <rguenther@suse.de>
1910 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1911 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1912 for deciding optimizations in consistency with fold-const.c
1913 (fold_builtin_unordered_cmp): Likewise.
1915 2006-10-24 Richard Guenther <rguenther@suse.de>
1917 * builtins.c (fold_builtin_floor): Fold floor (x) where
1918 x is nonnegative to trunc (x).
1919 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1920 nonnegative to FIX_TRUNC_EXPR.
1922 2006-10-24 Richard Guenther <rguenther@suse.de>
1924 PR tree-optimization/29567
1925 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1926 for TRUTH_NOT_EXPR. Clarify comments.
1928 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1931 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1932 at compile-time using MPFR. Change parameter VALUE to FUNC,
1934 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1935 for overflow and underflow at all times and avoid folding in
1938 2006-10-24 Ben Elliston <bje@au.ibm.com>
1940 * reload1.c: Formatting fixes.
1942 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1944 PR tree-optimization/14784
1945 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1946 * tree-ssa-structalias.c (get_constraint_for,
1947 intra_create_variable_infos): Set is_heapvar.
1948 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1949 non-heapvar pointer variables specially.
1951 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1954 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1955 fold_builtin_tan): Fold all constant arguments. Take a "type"
1956 argument as necessary.
1957 (do_mpfr_arg1): New.
1958 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1960 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1962 * config/xtensa/lib1funcs.asm: Use C-style comments.
1964 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1966 * tree.c (local_define_builtin): Replace calls to
1967 lang_hooks.builtin_function with add_builtin_function.
1968 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1970 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1972 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1973 common code to add_builtin_function.
1974 * langhooks.c (add_builtin_function): New function.
1975 (lhd_builtin_function): New function.
1976 * langhooks.h (struct lang_hooks): Change the signature of
1978 (add_builtin_function): New function.
1979 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1980 calls to lang_hooks.builtin_function with add_builtin_function.
1981 * c-common.c (decl_builtin_1): Replace calls to
1982 lang_hooks.builtin_function with add_builtin_function.
1983 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1984 lang_hooks.builtin_function with add_builtin_function.
1985 * config/frv/frv.c (def_builtin): Replace calls to
1986 lang_hooks.builtin_function with add_builtin_function.
1987 * config/s390/s390.c (s390_init_builtins): Replace calls to
1988 lang_hooks.builtin_function with add_builtin_function.
1989 * config/sparc/sparc.c (def_builtin): Replace calls to
1990 lang_hooks.builtin_function with add_builtin_function.
1991 * config/i386/i386.c (def_builtin): Replace calls to
1992 lang_hooks.builtin_function with add_builtin_function.
1993 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1994 lang_hooks.builtin_function with add_builtin_function.
1995 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1996 lang_hooks.builtin_function with add_builtin_function.
1997 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1998 Replace calls to lang_hooks.builtin_function with
1999 add_builtin_function.
2000 * config/iq2000/iq2000.c (def_builtin):
2001 Replace calls to lang_hooks.builtin_function with
2002 add_builtin_function.
2003 * config/ia64/ia64.c (def_builtin): Replace calls to
2004 lang_hooks.builtin_function with add_builtin_function.
2005 * config/rs6000/rs6000.c (def_builtin): Replace calls to
2006 lang_hooks.builtin_function with add_builtin_function.
2007 (altivec_init_builtins): Replace calls to
2008 lang_hooks.builtin_function with add_builtin_function.
2009 * config/arm/arm.c (def_mbuiltin): Replace calls to
2010 lang_hooks.builtin_function with add_builtin_function.
2011 (arm_init_tls_builtins): Replace calls to
2012 lang_hooks.builtin_function with add_builtin_function.
2013 * config/mips/mips.c (mips_init_builtins): Replace calls to
2014 lang_hooks.builtin_function with add_builtin_function.
2015 * config/bfin/bfin.c (def_builtin): Replace calls to
2016 lang_hooks.builtin_function with add_builtin_function.
2017 * langhooks-def.h (lhd_builtin_function): New function.
2018 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
2020 2006-10-23 Jakub Jelinek <jakub@redhat.com>
2022 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
2023 BUILT_IN_STRNCAT_CHK.
2025 2006-10-23 Jan Hubicka <jh@suse.cz>
2027 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
2028 don't do conversion from memmove to memcpy here.
2029 (expand_builtin_bcopy, expand_builtin): Update call of
2030 expand_builtin_memmove.
2031 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
2033 2006-10-23 Paul Brook <paul@codesourcery.com>
2035 * stor-layout.c (start_record_layout): maximum_field_alignment
2036 overrides STRUCTURE_SIZE_BOUNDARY.
2038 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
2040 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
2041 nonlocal function symbols if flag_pic.
2043 2006-10-23 Richard Guenther <rguenther@suse.de>
2047 * builtins.c (fold_binary): Remove checks for flag_wrapv
2048 and flag_trapv where negate_expr_p covers these cases.
2050 2006-10-23 Richard Guenther <rguenther@suse.de>
2053 * fold-const.c (fold_plusminus_mult_expr): Check exact power
2054 of two on the absolute value.
2055 (fold_binary): Fold x * -C to -x * C if x is easily negatable
2056 and negating -C does not overflow.
2058 2006-10-23 Richard Guenther <rguenther@suse.de>
2061 * convert.c (convert_to_real): Fold (float)-x to -(float)x
2062 only if not flag_rounding_math.
2064 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2065 Kaz Kojima <kkojima@gcc.gnu.org>
2068 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
2069 SImode memory reference for the source of a movua.
2070 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
2071 (movua): Use an unspec instead of sign_extract. Expect the source
2072 to have mode BLKmode.
2073 (extv, insv): Use a BLKmode rather than SImode memory reference
2074 for the source of a movua.
2076 2006-10-22 Jeff Law <law@redhat.com>
2077 Richard Guenther <rguenther@suse.de>
2079 PR tree-optimization/15911
2080 * tree-vrp.c (extract_code_and_val_from_cond): New function.
2081 (register_edge_assert_for_1): Likewise.
2082 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
2083 (find_conditional_asserts): Adjust for new function signature.
2084 (find_assert_locations): Likewise.
2086 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2088 * config/i386/tmmintrin.h: Remove the duplicated content.
2090 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2092 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
2093 (x86_64-*-*): Likewise.
2095 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
2096 (override_options): Check SSSE3.
2097 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
2098 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
2099 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
2100 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
2101 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
2102 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
2103 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
2104 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
2105 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
2106 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
2107 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
2108 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
2109 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
2110 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
2111 IX86_BUILTIN_PABSD128.
2112 (bdesc_2arg): Add SSSE3.
2113 (bdesc_1arg): Likewise.
2114 (ix86_init_mmx_sse_builtins): Support SSSE3.
2115 (ix86_expand_builtin): Likewise.
2116 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
2118 * config/i386/i386.md (UNSPEC_PSHUFB): New.
2119 (UNSPEC_PSIGN): Likewise.
2120 (UNSPEC_PALIGNR): Likewise.
2121 Include mmx.md before sse.md.
2123 * config/i386/i386.opt: Add -mssse3.
2125 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
2126 (ssse3_phaddwv4hi3): Likewise.
2127 (ssse3_phadddv4si3): Likewise.
2128 (ssse3_phadddv2si3): Likewise.
2129 (ssse3_phaddswv8hi3): Likewise.
2130 (ssse3_phaddswv4hi3): Likewise.
2131 (ssse3_phsubwv8hi3): Likewise.
2132 (ssse3_phsubwv4hi3): Likewise.
2133 (ssse3_phsubdv4si3): Likewise.
2134 (ssse3_phsubdv2si3): Likewise.
2135 (ssse3_phsubswv8hi3): Likewise.
2136 (ssse3_phsubswv4hi3): Likewise.
2137 (ssse3_pmaddubswv8hi3): Likewise.
2138 (ssse3_pmaddubswv4hi3): Likewise.
2139 (ssse3_pmulhrswv8hi3): Likewise.
2140 (ssse3_pmulhrswv4hi3): Likewise.
2141 (ssse3_pshufbv16qi3): Likewise.
2142 (ssse3_pshufbv8qi3): Likewise.
2143 (ssse3_psign<mode>3): Likewise.
2144 (ssse3_psign<mode>3): Likewise.
2145 (ssse3_palignrti): Likewise.
2146 (ssse3_palignrdi): Likewise.
2147 (abs<mode>2): Likewise.
2148 (abs<mode>2): Likewise.
2150 * config/i386/tmmintrin.h: New file.
2152 * doc/extend.texi: Document SSSE3 built-in functions.
2154 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
2156 2006-10-22 Ira Rosen <irar@il.ibm.com>
2158 * tree-vect-transform.c (vectorizable_load): Use the type of the
2159 return value of the mask_for_load builtin to create realign_load
2162 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2164 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
2167 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
2169 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
2170 (UNSPEC_LDDQU): This.
2171 * config/i386/sse.md (sse3_lddqu): Updated.
2173 2006-10-21 Richard Guenther <rguenther@suse.de>
2175 * builtins.c (expand_builtin_int_roundingfn_2): New function.
2176 (expand_builtin): Use it to expand lrint instead of
2177 expand_builtin_mathfn.
2179 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2182 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
2183 flag_unsafe_math_optimizations is set.
2185 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2188 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
2189 patterns to use memory input operand in x87->mem->XMM
2190 reload sequences. Skip transformation for TARGET_K8.
2192 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2194 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
2195 force operand1 to register if both operands are memory operands.
2196 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
2197 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
2198 if both operands are memory operands.
2199 (truncdfsf2): Do not force operand1 to register if both operands
2200 are memory operands.
2202 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2204 * Makefile.in (LIBS): Add $(GMPLIBS).
2205 * doc/install.texi: Update GMP and MPFR requirements.
2206 * doc/sourcebuild.texi (need_gmp): Delete.
2208 2006-10-21 Richard Guenther <rguenther@suse.de>
2210 PR tree-optimization/3511
2211 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
2212 got new invariant arguments during PHI translation.
2214 2006-10-21 Richard Guenther <rguenther@suse.de>
2217 * fold-const.c (fold_comparison): Fold signed comparisons
2218 of the form X +- C1 CMP Y +- C2.
2220 2006-10-21 Richard Guenther <rguenther@suse.de>
2223 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
2224 if flag_unsafe_math_optimizations is specified. We have
2225 flag_finite_math_only for that.
2226 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
2227 or flag_unsafe_math_optimizations.
2229 2006-10-21 Richard Guenther <rguenther@suse.de>
2231 * builtins.c (fold_builtin_classify): Fix typo.
2233 2006-10-21 Richard Guenther <rguenther@suse.de>
2236 * simplify-rtx.c (simplify_const_relational_operation):
2237 Do not constant-fold ORDERED and UNORDERED for
2238 flag_unsafe_math_optimizations but only we do not need to
2239 honor NaNs for the given mode.
2241 2006-10-21 Richard Guenther <rguenther@suse.de>
2244 * config/i386/i386.c (classify_argument): Remove redundant
2245 walking of the BINFOs.
2246 (contains_128bit_aligned_vector_p): Likewise.
2248 2006-10-20 Mark Mitchell <mark@codesourcery.com>
2250 * BASE-VER: Set to 4.3.0.
2252 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
2254 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
2255 (tree_decl_with_vis): Remove artificial_pta_var flag.
2256 * tree-flow.h (referenced_var_check_and_insert): Expose.
2257 (nonlocal_all): New prototype.
2258 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
2259 (nonlocal_all): Make global.
2260 (nonlocal_lookup): Remove.
2261 (nonlocal_insert): Ditto.
2262 (create_nonlocal_var): Do not call nonlocal_insert.
2263 (get_nonlocal_id_for_type): Remove.
2264 (find_global_initializers): Mark new vars we find for renaming.
2265 (intra_create_variable_infos): Only create one nonlocal.
2266 (expand_nonlocal_solutions): Remove.
2267 (compute_points_to_sets): Don't call it.
2268 (ipa_pta_execute): Ditto.
2269 (init_alias_heapvars): Don't create nonlocal_for_type.
2270 (delete_alias_heapvars): Don't remove it.
2271 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
2274 2006-10-19 Brooks Moses <bmoses@stanford.edu>
2276 * doc/install.texi (Downloading GCC): Clarify mention of
2277 Fortran in the "full distribution" description.
2279 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
2281 Fix PR tree-optimization/28778
2282 Fix PR tree-optimization/29156
2283 Fix PR tree-optimization/29415
2284 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
2285 (tree_decl_with_vis): Add artificial_pta_var flag.
2286 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
2287 pushed into callers.
2288 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
2289 (nonlocal_all): Ditto.
2290 (struct variable_info): Add directly_dereferenced member.
2291 (var_escaped_vars): New variable.
2292 (escaped_vars_tree): Ditto.
2293 (escaped_vars_id): Ditto.
2294 (nonlocal_vars_id): Ditto.
2295 (new_var_info): Set directly_dereferenced.
2296 (graph_size): New variable
2297 (build_constraint_graph): Use graph_size.
2298 (solve_graph): Don't process constraints that cannot change the
2299 solution, don't try to propagate an empty solution to our
2301 (process_constraint): Set directly_dereferenced.
2302 (could_have_pointers): New function.
2303 (get_constraint_for_component_ref): Don't process STRING_CST.
2304 (nonlocal_lookup): New function.
2305 (nonlocal_insert): Ditto.
2306 (create_nonlocal_var): Ditto.
2307 (get_nonlocal_id_for_type): Ditto.
2308 (get_constraint_for): Allow results vector to be empty in the case
2309 of string constants.
2310 Handle results of calls properly.
2311 (update_alias_info): Update alias info stats on number and type of
2313 (find_func_aliases): Use could_have_pointers.
2314 (make_constraint_from_escaped): Renamed from
2315 make_constraint_to_anything, and changed to make constraints from
2317 (make_constraint_to_escaped): New function.
2318 (find_global_initializers): Ditto.
2319 (create_variable_info_for): Make constraint from escaped to any
2320 global variable, and from any global variable to the set of
2322 (intra_create_variable_infos): Deal with escaped instead of
2323 pointing to anything.
2324 (set_uids_in_ptset): Do type pruning on directly dereferenced
2326 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
2327 (init_base_vars): Fix comment, and initialize escaped_vars.
2328 (need_to_solve): Removed.
2329 (find_escape_constraints): New function.
2330 (expand_nonlocal_solutions): Ditto.
2331 (compute_points_to_sets): Call find_escape_constraints and
2332 expand_nonlocal_solutions.
2333 (delete_points_to_sets): Don't fall off the end of the graph.
2334 (init_alias_heapvars): Initialize nonlocal_for_type and
2336 (delete_alias_heapvars): Free nonlocal_for_type and null out
2339 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
2341 * fold-const.c (add_double): Rename to add_double_with_sign.
2342 Add 'unsigned_p' parameter and take it into account for the overflow.
2343 (mul_double): Rename to mul_double_with_sign.
2344 Add 'unsigned_p' parameter and take it into account for the overflow.
2345 (fold_div_compare): Call add_double_with_sign instead of add_double
2346 and mul_double_with_sign instead of mul_double, passing them the
2347 unsignedness of the type.
2348 * tree.h (add_double): Macroize.
2349 (add_double_with_sign): New prototype.
2350 (mul_double): Macroize.
2351 (mul_double_with_sign): New prototype.
2353 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
2355 * config/score/crti.asm: New file.
2356 * config/score/crtn.asm: New file.
2357 * config/score/elf.h: New file.
2358 * config/score/mac.md: New file.
2359 * config/score/misc.md: New file.
2360 * config/score/mul-div.S: New file.
2361 * config/score/predicates.md: New file.
2362 * config/score/score7.md: New file.
2363 * config/score/score.c: New file.
2364 * config/score/score-conv.h: New file.
2365 * config/score/score.h: New file.
2366 * config/score/score.md: New file.
2367 * config/score/score-mdaux.c: New file.
2368 * config/score/score-mdaux.h: New file.
2369 * config/score/score-modes.def: New file.
2370 * config/score/score.opt: New file.
2371 * config/score/score-protos.h: New file.
2372 * config/score/score-version.h: New file.
2373 * config/score/t-score-elf: New file.
2374 * config.gcc: Add score*-*-* configurations(Update before).
2375 * doc/invoke.texi (Score Options): New section.
2376 * doc/md.texi (Score family): New section to document constraints.
2378 2006-10-19 Nick Clifton <nickc@redhat.com>
2380 * config/arm/arm.c: Fix spelling typo.
2382 2006-10-18 Tom Tromey <tromey@redhat.com>
2384 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
2386 2006-10-18 Jan Hubicka <jh@suse.cz>
2389 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
2392 2006-10-18 Marcin Dalecki <martin@dalecki.de>
2394 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
2395 TSI_SAME_STMT, since that's the desired entity.
2397 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
2399 * config/s390/contraints.md: New file.
2400 * config/s390/s390-protos.h (s390_mem_constraint,
2401 s390_O_constraint_str, s390_N_constraint_str,
2402 s390_float_const_zero_p): Function prototypes added.
2403 * config/s390/s390.c (s390_extra_constraint_str,
2404 s390_const_double_ok_for_constraint_p,
2405 s390_const_ok_for_constraint_p): Functions removed.
2406 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
2407 s390_float_const_zero_p): New functions.
2408 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
2409 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
2410 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
2411 Macro definitions removed.
2412 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
2413 s390_extra_constraint_str): Functions removed.
2415 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
2416 Richard Sandiford <richard@codesourcery.com>
2419 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
2420 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
2422 2006-10-16 Geoffrey Keating <geoffk@apple.com>
2424 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
2425 (DWARF2_FRAME_REG_OUT): Likewise.
2426 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
2427 (DWARF2_FRAME_REG_OUT): Likewise.
2429 2006-10-17 Paul Brook <paul@codesourcery.com>
2431 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
2433 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2435 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
2436 Standardize on "GNU Fortran" as the official name of the Fortran
2439 2006-10-16 Mike Stump <mrs@apple.com>
2441 * doc/invoke.texi (Darwin Options): Document -mkernel.
2442 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
2444 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
2445 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
2446 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
2447 (OS_MISSING_ALTIVEC): Add.
2448 * config/i386/i386.c (override_options): Add
2449 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
2450 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
2451 -mkernel, -static or -mdynamic-no-pic is given.
2452 (C_COMMON_OVERRIDE_OPTIONS): Add.
2453 * config/darwin.opt (fapple-kext): Add.
2455 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
2456 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
2458 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
2459 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
2460 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
2461 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
2462 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
2463 (flag_mkernel): Add.
2464 (flag_apple_kext): Add.
2465 (TARGET_KEXTABI): Add.
2466 * config/darwin.c (darwin_handle_kext_attribute): Add.
2467 (DARWIN_VTABLE_P): Add.
2468 (darwin_binds_local_p): Add partial support for rebinding vtables
2470 (darwin_kextabi_p): Add.
2471 (darwin_override_options): Add.
2472 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
2473 (darwin_kextabi_p): Add.
2474 (darwin_override_options): Add.
2475 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
2476 __DYNAMIC__ and __STATIC__ here.
2478 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2480 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
2481 Added mention of "make pdf" target, and Texinfo requirements for
2484 2006-10-16 DJ Delorie <dj@redhat.com>
2486 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
2487 into the GOT in case we need a subreg of the address.
2489 2006-10-16 Richard Guenther <rguenther@suse.de>
2492 * doc/extend.texi (X86 Built-in Functions): Fix typos in
2493 SSE builtin documentation. Document SSE2 builtins.
2495 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2497 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
2498 symbol in the output file for non-shared links when -nostdlib or
2499 -nodefaultlibs isn't specified.
2501 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
2502 posix thread support.
2504 2006-10-15 Jan Hubicka <jh@suse.cz>
2507 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
2508 declared always_inline even when not inlining.
2510 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2511 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2512 Andrew Pinski <pinskia@gmail.com>
2515 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
2517 2006-10-15 Jan Hubicka <jh@suse.cz>
2518 Richard Guenther <rguenther@suse.de>
2521 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
2522 process_function_and_variable_attributes on all variables, including
2523 those discovered during cgraph construction phase.
2525 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
2527 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
2529 2006-10-14 Uros Bizjak <uros@kss-loka.si>
2531 * config/i386/athlon.md (athlon_fist): Add fisttp.
2533 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2534 Ian Lance Taylor <ian@airs.com>
2537 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
2538 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
2541 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
2543 * config/score/score.c, config/score/score.h: Fix comment
2546 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2549 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
2552 2006-10-13 Eric Christopher <echristo@apple.com>
2554 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2556 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2559 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2560 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2561 alignment supported by 32-bit ELF.
2563 2006-10-13 Eric Christopher <echristo@apple.com>
2565 * config/darwin.c (darwin_emit_unwind_label): Strip
2566 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
2568 2006-10-13 Richard Guenther <rguenther@suse.de>
2570 PR tree-optimization/29446
2571 * tree-vrp.c (fix_equivalence_set): Remove.
2572 (extract_range_from_assert): Do not call fix_equivalence_set.
2573 (debug_value_range): Print a newline.
2574 (compare_name_with_value): For equivalence sets with
2575 inconsistent value ranges conservatively bail out.
2576 (compare_names): Likewise.
2578 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2580 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
2581 and MPFR for gfortran.
2583 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2585 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2586 alignment supported by 32-bit ELF.
2588 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
2592 * c-typeck.c (digest_init): Always allow initializing vectors
2593 that have static storage duration with compound literals.
2594 * tree.c (build_type_attribute_qual_variant): New, based on
2595 build_type_attribute_variant.
2596 (build_type_attribute_variant): Rewrite using the former.
2597 (make_vector_type): Use build_type_attribute_qual_variant to build
2598 type variants. Use type_hash_canon on the others.
2600 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
2601 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
2603 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
2605 2006-10-12 Jan Hubicka <jh@suse.cz>
2608 * c-decl.c (c_make_fname_decl): Do not segfault in case where
2609 current_function_decl is set but current_function_scope is not.
2611 2006-10-12 Jie Zhang <jie.zhang@analog.com>
2613 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
2614 emit_insn to emit eh_return_internal instruction.
2615 (eh_return_internal): Explicitly set pc.
2617 2006-10-11 Richard Guenther <rguenther@suse.de>
2619 PR tree-optimization/28230
2620 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
2621 to the correct place.
2623 2006-10-11 Richard Guenther <rguenther@suse.de>
2626 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
2629 2006-10-10 Brooks Moses <bmoses@stanford.edu>
2631 * configure.ac: Added pdf to "Make-hooks"
2632 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
2633 targets and *.pdf file patterns in cleanup targets.
2634 * configure: Regenerated.
2636 2006-10-10 Anatoly Sokolov <aesok@post.ru>
2638 * config/avr/predicates.md: New file.
2639 * config/avr/avr.md: Include it.
2640 (REG_SP): New constant.
2641 (peepholes): Use predicates.
2642 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
2643 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
2644 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
2646 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
2648 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
2651 2006-10-10 Jakub Jelinek <jakub@redhat.com>
2654 * builtins.c (var_decl_component_p): New function.
2655 (fold_builtin_memset, fold_builtin_memory_op): Restrict
2656 single entry optimization to variables and components thereof.
2658 2006-10-10 Richard Guenther <rguenther@suse.de>
2660 PR rtl-optimization/29323
2661 * except.c (set_nothrow_function_flags): For functions
2662 that do not bind local bail out early.
2664 2006-10-10 Ben Elliston <bje@au.ibm.com>
2666 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
2669 2006-10-09 Richard Henderson <rth@redhat.com>
2671 Revert emutls patch.
2673 2006-10-09 Richard Guenther <rguenther@suse.de>
2676 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
2679 2006-10-09 Steve Ellcey <sje@cup.hp.com>
2682 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2683 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2684 * configure: Regenerate.
2685 * config.in: Regenerate.
2687 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2689 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2691 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2693 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2694 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2695 Remove stray newline.
2697 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2699 * config/mips/mips.c (mips_classify_symbol): Do not return
2700 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2701 (mips_in_small_data_p): Tweak comments.
2703 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2705 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2707 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
2709 * gimplify.c, sched-int.h: Fix comment typos.
2711 * sched-int.h: Fix comment typos.
2713 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2715 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2717 * sched-ebb.c (begin_schedule_ready): Use them.
2718 * haifa-sched.c (schedule_insn, move_insn, try_ready,
2719 add_to_speculative_block, create_check_block_twin, speculate_insn,
2720 fix_jump_move, move_block_after_check): Ditto.
2721 * sched-rgn.c (new_ready): Ditto.
2723 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2725 PR rtl-optimization/29128
2726 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2727 * sched-ebb.c (advance_target_bb): Use it to fix condition to
2728 allow interblock movement of speculation checks.
2730 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2733 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2734 casted to integer type.
2735 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2736 if they are significantly more expensive than [reg + index] ones.
2738 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2740 PR tree-optimization/29330
2741 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2742 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2743 on newly allocated ddrs.
2744 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2745 to VEC (loop_p, heap) pointer.
2746 (compute_data_dependences_for_loop): Adjust caller.
2747 (free_dependence_relations): Free DDR_LOOP_NEST.
2749 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2750 free DEPENDENCE_RELATIONS and DATAREFS.
2753 * builtins.c (expand_builtin_sync_operation,
2754 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2755 Use convert_to_mode to handle promoted arguments.
2757 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2759 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2761 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2763 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2765 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2767 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2768 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2769 Use <modeconstraint> instead of "r" as operand 1 constraint.
2771 2006-10-06 Olivier Hainque <hainque@adacore.com>
2773 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2774 Don't recurse on the pointed-to type.
2775 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2776 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2777 types with components of variable size.
2779 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2781 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2783 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2785 PR tree-optimization/29290
2786 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2790 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2791 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2794 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2795 the number of vector elements fill the rest with zeros.
2797 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2799 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2800 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2803 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2805 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2806 unnamed pattern into subsi3. Use correct constraints/predicates.
2807 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2808 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2810 2006-10-05 Ira Rosen <irar@il.ibm.com>
2812 * doc/loop.texi: Add data references analysis description.
2814 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2816 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2818 2006-10-04 Richard Henderson <rth@redhat.com>
2819 Jakub Jelinek <jakub@redhat.com>
2821 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2822 * builtin-types.def (BT_WORD): Make unsigned.
2823 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2824 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2825 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2826 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2827 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2828 * cgraph.c (decide_is_variable_needed): Look at force_output.
2829 Recurse for emulated tls.
2830 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2831 checks redundant with decide_is_variable_needed.
2832 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2833 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2835 * expr.c (emutls_var_address): New.
2836 (expand_expr_real_1): Expand emulated tls.
2837 (expand_expr_addr_expr_1): Likewise.
2838 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2839 * output.h (emutls_finish): Declare.
2840 * toplev.c (compile_file): Call it.
2841 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2842 address before wrapping in CONST.
2843 * varasm.c (emutls_htab, emutls_object_type): New.
2844 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2845 (get_emutls_object_name, get_emutls_object_type): New.
2846 (get_emutls_init_templ_addr, emutls_decl): New.
2847 (emutls_common_1, emutls_finish): New.
2848 (assemble_variable): When emulating tls, swap decls; generate
2849 constructor for the emutls objects.
2850 (do_assemble_alias): When emulating tls, swap decl and target name.
2851 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2853 * emutls.c: New file.
2854 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2855 tls_object for real tls.
2857 2006-10-04 Zack Weinberg <zackw@panix.com>
2859 Fix bug in constraint-check generator, reported by Rask Ingemann
2861 * genpreds.c (add_constraint): Don't remove anything from the
2863 (write_tm_constrs_h): Detect whether "op" argument is used, and
2864 mark it ARG_UNUSED if it isn't.
2865 (write_insn_const_int_ok_for_constraint): Skip the part of the
2866 expression that would test whether "op" (which is not available
2867 here) is a CONST_INT.
2869 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2872 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2874 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2876 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2877 current Leopard versions.
2878 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2880 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2882 * doc/install.texi: Fix typos.
2884 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2886 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2887 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2888 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2890 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2892 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2893 arg to be struct mach_header_64* instead.
2895 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2898 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2899 side effects after the outer expression's post side effects.
2901 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2903 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2904 comments to reflect actual behavior and relationship between
2905 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2907 * doc/c-tree.texi (Working with declarations): Fix documentation
2908 of FIELD_DECL likewise.
2910 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2913 * doc/extend.texi: Add used variable attribute description.
2915 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2918 * c.opt (Woverride-init): New.
2919 * c-opts.c (c_common_post_options): Default warn_override_init to
2921 * c-typeck.c (add_pending_init, output_init_element): Warn for
2922 overriding initializers without side effects.
2923 * doc/invoke.texi (-Woverride-init): Document.
2926 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2928 PR rtl-optimization/28096
2929 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2930 assignment has already been used as a destination earlier in the block.
2932 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2934 * builtins.c (expand_builtin_setjmp): Delete.
2935 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2936 <BUILT_IN_SETJMP_SETUP>: New case.
2937 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2938 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2939 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2940 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2941 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2942 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2943 (lower_function_body): Initialize it to false. If it is set to true
2944 at the end of the processing, emit the setjmp dispatcher.
2945 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2946 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2947 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2948 on the rhs of the assignment.
2949 (lower_builtin_setjmp): New function.
2950 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2951 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2952 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2953 to detect calls that can go to non-local labels. Use specific
2954 helper to create the abnormal edges associated with them.
2955 <MODIFY_EXPR>: Likewise.
2956 (make_abnormal_goto_edges): New function extracted from...
2957 (make_goto_expr_edges): ...here. Call it for computed gotos.
2958 (simple_goto_p): Minor tweak.
2959 (tree_can_make_abnormal_goto): New predicate.
2960 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2961 (tree_purge_dead_abnormal_call_edges): New function.
2962 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2963 (tree_purge_dead_abnormal_call_edges): Likewise.
2964 (make_abnormal_goto_edges): Likewise.
2965 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2966 Purge all dead abnormal edges if the call was in the last statement.
2967 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2968 (execute_fixup_cfg): If there are non-local labels in the function,
2969 scan the basic blocks and split them at calls that can go to non-local
2970 labels or add missing abnormal call edges. Write down the CFG in the
2972 (pass_fixup_cfg): Remove TODO_dump_func flag.
2973 * unwind-sjlj.c: Poison setjmp.
2974 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2975 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2976 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2977 (DONT_USE_BUILTIN_SETJMP): Document it.
2979 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2982 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2983 to 1 when __ppc64__ is defined.
2984 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2986 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2988 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2990 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2991 * config/ia64/unwind-hpux.c: Delete.
2993 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2995 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2996 on the element before gimplifying it, instead of punting if it is of
2999 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
3001 * doc/loop.texi: New file.
3002 * doc/gccint.texi: Reference loop.texi.
3003 * Makefile.in (loop.texi): Add.
3005 2006-09-27 Geoffrey Keating <geoffk@apple.com>
3007 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
3009 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3010 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3012 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
3014 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
3016 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
3018 * doc/install.texi: Document required versions of GMP and MPFR.
3020 2006-09-27 Paul Brook <paul@codesourcery.com>
3023 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
3025 2006-09-27 Richard Sandiford <richard@codesourcery.com>
3027 * reload1.c (alter_reg): Require the alignment of the stack slot to
3028 be at least reg_max_ref_width bytes.
3029 (scan_paradoxical_subregs): Record the largest width in
3032 2006-09-26 Jakub Jelinek <jakub@redhat.com>
3036 * tree-nested.c (struct nesting_info): Added static_chain_added.
3037 (convert_call_expr): Set static_chain_added when adding static
3038 chain. Handle OMP_PARALLEL and OMP_SECTION.
3040 2006-09-25 Matthias Klose <doko@debian.org>
3042 * doc/invoke.texi: Add missing full stop.
3044 2006-09-25 Richard Henderson <rth@redhat.com>
3046 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
3047 before cgraph_function_flags_ready.
3049 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
3050 Adam Nemet <anemet@caviumnetworks.com>
3052 * tree-ssa-loop-ivopts.c (aff_combination_convert,
3053 determine_common_wider_type): New functions.
3054 (get_computation_aff): Use them to simplify arithmetic between
3055 UBASE and CBASE if they are shortened from the same type.
3057 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
3060 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
3061 -2147483647 - 1 instead of 0x80000000.
3063 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
3065 * flags.h (HONOR_NANS): Fix typo in comment.
3067 2006-09-23 Uros Bizjak <uros@kss-loka.si>
3069 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
3071 2006-09-23 Jakub Jelinek <jakub@redhat.com>
3075 * tree.c (merge_attributes, attribute_list_contained): If both
3076 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
3078 * c-typeck.c (comptypes_internal): Don't consider aggregates
3079 in different TUs as compatible if there one set of attributes is
3080 not a subset of the other type's attributes.
3081 (composite_type): Try harder not to create a new aggregate type.
3083 2006-09-22 Geoffrey Keating <geoffk@apple.com>
3085 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
3086 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
3087 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
3088 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
3089 than replicating condition above.
3090 * config.host (i[34567]86-*-*): Always use driver-i386.o.
3092 * config/darwin.h (LINK_SYSROOT_SPEC): New.
3093 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
3094 the linker by default.
3096 2006-09-22 Mike Stump <mrs@apple.com>
3098 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
3101 2006-09-22 Richard Guenther <rguenther@suse.de>
3104 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
3105 sort of stack variables stable.
3107 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
3110 * explow.c (force_reg): Set REG_POINTER flag according to
3113 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
3115 PR tree-optimization/28888
3116 * tree-if-conv.c (combine_blocks): Rewritten.
3117 * tree-cfg.c (tree_verify_flow_info): Check that edges with
3118 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
3120 2006-09-22 Jakub Jelinek <jakub@redhat.com>
3122 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
3125 2006-09-21 Richard Sandiford <richard@codesourcery.com>
3127 * varasm.c (copy_constant): Fix reversed gcc_assert check.
3129 2006-09-21 Janis Johnson <janis187@us.ibm.com>
3131 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
3133 2006-09-21 Roger Sayle <roger@eyesopen.com>
3136 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
3137 dw_fde_current_label, to be the start of the function, i.e. the same
3138 value as dw_fde_begin.
3140 2006-09-20 Richard Sandiford <richard@codesourcery.com>
3142 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
3143 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
3144 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
3145 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
3146 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
3147 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
3148 (abs<mode>2, neg<mode>2): Likewise.
3149 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
3150 (*mips_abs_ps): New define_insn.
3152 2006-09-20 Josh Conner <jconner@apple.com>
3155 * calls.c (expand_call): Allow reuse of structure return stack
3158 2006-09-20 Paul Brook <paul@codesourcery.com>
3160 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
3163 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3165 * doc/extend.texi (Decimal Float): Update for latest draft TR,
3166 clean up terminology.
3168 2006-09-20 Steve Ellcey <sje@cup.hp.com>
3171 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
3172 with tablejumps in them.
3174 2006-09-20 Jakub Jelinek <jakub@redhat.com>
3177 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
3178 wrap it into TARGET_EXPR.
3180 2006-09-20 Eric Christopher <echristo@apple.com>
3182 * config/i386/i386.c (x86_fisttp): Remove.
3183 * config/i386/i386.h (x86_fisttp): Ditto.
3184 (TARGET_FISTTP): Ditto.
3186 2006-09-19 Eric Christopher <echristo@apple.com>
3188 * doc/tm.texi (OBJC_JBLEN): Describe.
3189 * config/i386/darwin.h (OBJC_JBLEN): Define.
3190 * config/rs6000/darwin.h: Ditto.
3192 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
3194 PR rtl-optimization/21299
3195 * reload1.c (reload): Purge invalid ASMs in the final pass.
3197 2006-09-19 Steve Ellcey <sje@cup.hp.com>
3200 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
3201 pointers as legitimate constants.
3203 2006-09-19 Paul Brook <paul@codesourcery.com>
3206 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
3208 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
3210 PR tree-optimization/28887
3211 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
3212 component parts from the reference.
3213 (gather_memory_references_ref): Record the reference without the
3214 nonaddressable component parts.
3216 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
3219 * c-opts.c (c_common_handle_option): Ignore the -std options
3220 if the input language is assembly.
3222 2006-09-17 Ira Rosen <irar@il.ibm.com>
3225 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
3227 (ptr_ptr_may_alias_p): Likewise.
3228 (record_record_differ_p): New function.
3229 (base_object_differ_p): Call record_record_differ_p.
3231 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3234 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
3235 away for the expr argument.
3237 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3240 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
3241 before using it for dumping after vectorizing loops.
3243 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3244 Jack Howarth <howarth@bromo.med.uc.edu>
3247 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
3248 skip on error_mark_node.
3249 (rs6000_darwin64_record_arg_recurse): Likewise.
3251 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3253 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
3254 * doc/rtl.texi: Remove related documentation.
3256 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
3258 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
3261 2006-09-15 Jim Wilson <wilson@specifix.com>
3263 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
3264 Handle symbol offsets same as they are handled in ia64_expand_move
3267 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
3269 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
3270 Add forgotten parameter to the fprintf call.
3272 2006-09-15 Steve Ellcey <sje@cup.hp.com>
3274 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
3276 2006-09-15 Uros Bizjak <uros@kss-loka.si>
3278 * doc/contrib.texi: Add my entry.
3280 2006-09-15 Nick Clifton <nickc@redhat.com>
3282 * doc/md.texi (Processor pipeline description): Fix typo in
3283 example of how to use the absence_set directive and reword the
3284 description to make it slightly easier to read.
3286 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3288 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
3289 * loop-doloop.c (doloop_optimize): Use it to limit costs of
3290 expanding the number of iterations.
3291 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
3293 * cfgrtl.c (emit_insn_at_entry): New function.
3294 * rtl.h (emit_insn_at_entry): Declare it.
3295 * integrate.c (emit_initial_value_sets): Use it.
3297 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
3299 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
3301 (struct loop_work and related VEC declarations): Delete.
3302 (bfin_dump_loops): Print out new member bad.
3303 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
3304 (bfin_scan_loop): Don't recurse.
3305 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
3306 loops. No longer need to update outer loops if the current one is
3307 found bad. Move some validitiy checks to bfin_discover_loop.
3308 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
3309 but changed not to check for nesting. Also changed to use the new bad
3311 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
3312 time. Use bitmap based test to discover loop nesting.
3314 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
3316 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
3319 2006-09-14 Richard Guenther <rguenther@suse.de>
3320 Kazu Hirata <kazu@codesourcery.com>
3322 PR middle-end/28884.
3323 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
3324 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
3325 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
3326 with TARGET_FUNCTION_VALUE.
3328 2006-09-14 Anatoly Sokolov <aesok@post.ru>
3331 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
3333 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
3335 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
3338 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3341 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
3344 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3346 * basic_block.h (bb_has_eh_pred): Fix comment.
3348 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3350 * flow.c (calculate_global_regs_live): Invalidate eh registers
3351 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
3352 (propagate_block): Handle eh registers as if they were set at basic
3354 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
3356 * global.c (global_conflicts): Make eh registers to conflict with
3357 pseudos live at basic block begin.
3358 * basic_block.h (bb_has_eh_pred): New function.
3360 2006-09-13 Richard Sandiford <richard@codesourcery.com>
3362 PR rtl-optimization/28982
3363 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
3364 index of a PRE_MODIFY or POST_MODIFY address.
3365 * reload1.c (inc_for_reload): Use find_replacement on the original
3366 base and index registers.
3368 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
3370 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
3371 for -Os. Update __m128 alignment requirement.
3373 2006-09-13 Jan Hubicka <jh@suse.cz>
3375 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
3377 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3379 PR rtl-optimization/28243
3380 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3381 the insn to which the note was originally attached.
3383 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3384 Roger Sayle <roger@eyesopen.com>
3386 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
3387 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
3388 on platforms that don't use dwarf for debug info.
3390 2006-09-12 Jason Merrill <jason@redhat.com>
3393 * builtins.c (expand_builtin_setjmp_receiver): Clobber
3394 hard_frame_pointer_rtx after using it to update the frame pointer.
3396 2006-09-12 Roger Sayle <roger@eyesopen.com>
3398 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
3399 (TARGET_ASM_CLOSE_PAREN): Likewise.
3400 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
3401 (TARGET_ASM_CLOSE_PAREN): Likewise.
3403 2006-09-12 Roger Sayle <roger@eyesopen.com>
3406 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
3407 frame information for frames larger than 512 Kbytes on Tru64 when
3408 using the native assembler.
3410 2006-09-12 Roger Sayle <roger@eyesopen.com>
3414 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
3415 and symbols. Instead use the implementation from cse.c's hash_rtx.
3417 2006-09-12 Jan Hubicka <jh@suse.cz>
3419 PR rtl-optimization/28071
3420 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
3421 (vect_transform_loop): Likewise.
3422 * tree-vectorizer.c (new_loop_vec_info): Likewise.
3423 (new_loop_vec_info): Likewise.
3424 (destroy_loop_vec_info): Likewise.
3425 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
3426 (create_stmt_ann): Likewise.
3427 (create_tree_ann): Rename to ...
3428 (create_tree_common_ann): ... this one; allocate only the common part
3430 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
3431 (get_value_handle): Likewise.
3432 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
3433 get_tree_common_ann.
3434 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
3435 (vinfo_for_stmt): Use stmt annotations.
3436 * tree-flow.h (tree_ann_common_t): New type.
3437 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
3438 (tree_ann, get_tree_ann, create_tree_ann): New.
3439 * tree-flow-inline.h (get_function_ann): Do more type checking.
3440 (stmt_ann): Likewise.
3441 (tree_ann): Rename to ...
3442 (tree_common_ann): ... this one; return ony common_ann
3443 (get_tree_ann): Rename to ...
3444 (tree_common_ann): This one; return only common_ann.
3445 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
3448 2006-09-11 Geoffrey Keating <geoffk@apple.com>
3450 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
3451 with_cpu by default.
3453 * dwarf2out.c (dwarf_file_data): New.
3454 (enum dw_val_class): Add dw_val_class_file.
3455 (struct dw_val_struct): Add val_file.
3456 (file_table): Change to a hash table.
3457 (file_table_emitted): Delete.
3458 (file_table_last_lookup_index): Delete.
3459 (emitcount): Delete.
3460 (last_emitted_file): New.
3461 (lookup_filename): Change prototype to return a struct dwarf_file_data.
3462 (init_file_table): Delete.
3463 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
3464 (AT_addr): Add comment.
3468 (print_die): Handle dw_val_class_file.
3469 (print_dwarf_line_table): Update for new file table structure.
3470 (attr_checksum): Do checksum a filename.
3471 (same_dw_val_p, same_attr_p): Do compare a filename.
3472 (size_of_die): Handle dw_val_class_file.
3473 (value_format): Likewise.
3474 (output_die): Likewise. Also, call maybe_emit_file here.
3475 (struct file_info): Constify filenames. Make file_idx a pointer
3476 to a struct dwarf_file_data.
3477 (struct dir_info): Constify directory names. Remove 'used' field.
3478 (struct file_name_acquire_data): New.
3479 (file_name_acquire): New.
3480 (output_file_names): Modify to handle new file data structures.
3481 (add_src_coords_attributes): Use add_AT_file.
3482 (add_call_src_coords_attributes): Likewise.
3483 (dwarf2out_imported_module_or_decl): Likewise.
3484 (gen_subprogram_die): Modify for new file data structures.
3485 (gen_variable_die): Likewise.
3486 (file_table_eq): New.
3487 (file_table_hash): New.
3488 (file_table_last_lookup): New.
3489 (lookup_filename): Rewrite to handle new file data structures.
3490 (maybe_emit_file): Rewrite to handle new file data structures.
3491 (dwarf2out_source_line): Always call lookup_filename and
3493 (dwarf2out_init): Create file_table here.
3494 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
3495 (file_table_relative_p): New.
3496 (dwarf2out_finish): Change detection of relative filenames
3497 to work with new file data structures. Move output_line_info call
3498 after debug_info output.
3500 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
3505 * config/i386/i386.c (override_options): Always default to 16
3506 byte stack boundary.
3508 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
3511 * var-tracking.c (dump_dataflow_set): Start dumping at
3513 (clobber_variable_part): Kill only the variable part in
3514 registers holding it, leaving other variables alone.
3516 2006-09-11 Josh Triplett <josh@freedesktop.org>
3518 * doc/extend.texi (Other Builtins): Actually use the macro
3519 argument in the documentation example for
3520 __builtin_types_compatible_p.
3522 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3524 PR rtl-optimization/28726
3525 * sched-deps.c (sched_analyze_reg): New function extracted from...
3526 (sched_analyze_1): ...here. Call it to analyze references to
3527 registers. Treat again writes to a stack register as writing to the
3529 (sched_analyze_2): ...and here. Call it to analyze references to
3530 registers. Treat again reads of a stack register as reading the
3533 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
3534 David Edelsohn <edelsohn@gnu.org>
3537 * config/rs6000/spe.md (frob_df_di): Remove %H.
3538 (frob_di_df): Remove %H. Change evmergelo to mr.
3539 (frob_di_df_2): Remove %H. Change evldd to two loads.
3541 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
3543 * doc/cpp.texi: Fix names of charset options.
3545 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
3548 * config/i386/i386.c (override_options): Use 128-bit
3549 stack boundary always for 64bits.
3551 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3553 PR rtl-optimization/28636
3554 * combine.c (force_to_mode): Test for side-effects before
3555 substituting by zero.
3556 (simplify_shift_const): Likewise for zero or other constants.
3558 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
3561 * builtins.c (expand_builtin_setjmp): Force next_lab to be
3564 2006-09-10 Richard Sandiford <richard@codesourcery.com>
3567 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
3568 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
3569 returned by mode_for_size, rather than the mode of src itself,
3570 to choose between 32-bit and 64-bit patterns.
3571 (mips_mem_fits_mode_p): New function.
3572 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
3573 that the size of the source matches the size of the destination.
3574 (mov_<store>l, mov_<store>r): Likewise.
3576 2006-09-10 Eric Christopher <echristo@apple.com>
3578 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
3581 2006-09-09 Eric Christopher <echristo@apple.com>
3584 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
3587 2006-09-09 Roger Sayle <roger@eyesopen.com>
3588 Nicolas Setton <setton@adacore.com>
3590 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
3592 2006-09-10 Andreas Schwab <schwab@suse.de>
3594 * config/m68k/m68k.md (bungt_rev): New pattern.
3596 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
3597 Dale Johannesen <dalej@apple.com>
3600 * regclass.c (struct reg_pref): Update documentation.
3601 (regclass): Set prefclass to NO_REGS if memory is the best option.
3602 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3604 2006-09-08 Eric Christopher <echristo@apple.com>
3606 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
3607 * config/t-slibgcc-darwin: Support x86_64 multilib.
3608 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
3609 Return 1 for x86_64-darwin.
3610 * config/i386/t-darwin: Add m64 multilib.
3611 (LIB2_SIDITI_CONV_FUNCS): Use.
3612 (LIB2FUNCS_EXTRA): Ditto.
3613 * config/i386/darwin.h: Support x86_64.
3614 * config/i386/i386.c (override_options): Turn on flag_pic
3615 for x86_64-darwin. Disable flag_omit_pointer.
3616 (get_pc_thunk_name): Assert !TARGET_64BIT.
3617 (legitimate_address_p): Disable machopic addressing for
3619 (legitimize_pic_address): Ditto.
3620 (ix86_expand_move): Ditto.
3621 (ix86_expand_call): Ditto.
3622 (machopic_output_stub): Ditto.
3623 * config/darwin.c (machopic_select_section): Support literal16.
3624 (machopic_select_rtx_section): Ditto.
3625 * config/darwin-sections.def: Ditto.
3626 * config/darwin-64.c: New.
3628 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
3631 * c-tree.h (struct c_arg_info): Add pending_sizes.
3632 * c-parser.c (c_parser_parms_declarator,
3633 c_parser_parms_list_declarator): Initialize pending_sizes.
3634 * c-decl.c (get_parm_info): Initialize pending_sizes.
3635 (get_parm_info): Set pending_sizes.
3636 (grokdeclarator): Call put_pending_sizes for parameters for
3637 function definition only.
3639 2006-09-07 Jason Merrill <jason@redhat.com>
3642 * varasm.c (output_constant): Only strip actual no-op conversions.
3645 * config/i386/i386.c (override_options): Use 128-bit
3646 stack boundary if -msse.
3648 2006-09-07 Eric Christopher <echristo@apple.com>
3650 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
3652 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
3655 2006-09-07 Geoffrey Keating <geoffk@apple.com>
3657 * dwarf2out.c: Remove strange characters from comment above
3658 dwarf2out_frame_debug_expr.
3660 2006-09-07 Eric Christopher <echristo@apple.com>
3662 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
3663 * config/darwin.h: ... to here.
3665 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
3667 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
3669 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
3670 (TARGET_PARTIAL_FLAG_REG_STALL): New.
3672 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3673 TARGET_PARTIAL_FLAG_REG_STALL.
3674 (*ashldi3_cconly_rex64): Likewise.
3675 (*ashlsi3_cmp): Likewise.
3676 (*ashlsi3_cconly): Likewise.
3677 (*ashlsi3_cmp_zext): Likewise.
3678 (*ashlhi3_cmp): Likewise.
3679 (*ashlhi3_cconly): Likewise.
3680 (*ashlqi3_cmp): Likewise.
3681 (*ashlqi3_cconly): Likewise.
3682 (*ashrdi3_cmp_rex64): Likewise.
3683 (*ashrdi3_cconly_rex64): Likewise.
3684 (*ashrsi3_cmp): Likewise.
3685 (*ashrsi3_cconly): Likewise.
3686 (*ashrsi3_cmp_zext): Likewise.
3687 (*ashrhi3_cmp): Likewise.
3688 (*ashrhi3_cconly): Likewise.
3689 (*ashrqi3_cmp): Likewise.
3690 (*ashrqi3_cconly): Likewise.
3691 (*lshrdi3_cmp_rex64): Likewise.
3692 (*lshrdi3_cconly_rex64): Likewise.
3693 (*lshrsi3_cmp): Likewise.
3694 (*lshrsi3_cconly): Likewise.
3695 (*lshrsi3_cmp_zext): Likewise.
3696 (*lshrhi3_cmp): Likewise.
3697 (*lshrhi3_cconly): Likewise.
3698 (*lshrqi2_cmp): Likewise.
3699 (*lshrqi2_cconly): Likewise.
3701 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3704 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3705 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3706 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3707 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3708 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3709 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3710 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3711 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3712 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3713 implement only CC setting effects of shift instructions.
3715 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
3717 * doc/contrib.texi: Add myself.
3719 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
3722 * stor-layout.c (relayout_decl): Don't zero the alignment if it
3723 was set by the user.
3725 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
3728 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3729 (divsi_inv_m1): Use them.
3730 (UNSPEC_DIV_INV_TABLE): New constant.
3732 2006-09-06 James E Wilson <wilson@specifix.com>
3735 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3736 then call count_or_remove_death_notes.
3738 2006-09-06 Jason Merrill <jason@redhat.com>
3741 * tree-inline.c (copy_result_decl_to_var): New fn.
3742 (declare_return_variable): Use it. Call declare_inline_vars here.
3743 (expand_call_inline): Not here.
3745 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3747 * doc/contrib.texi: Update my entry.
3749 2006-09-06 Nick Clifton <nickc@redhat.com>
3751 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3753 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3756 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3757 (canonicalize_induction_variables): Likewise.
3758 (tree_unroll_loops_completely): Likewise.
3759 (tree_ssa_prefetch_arrays): Likewise.
3760 (remove_empty_loops): Likewise.
3761 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3762 TODO_cleanup_cfg instead of directly calling
3763 cleanup_tree_cfg_loop.
3764 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3766 (tree_unroll_loops_completely): Likewise.
3767 (remove_empty_loops): Likewise.
3768 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3769 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3770 of tree_ssa_unswitch_loops.
3771 (tree_ssa_loop_ivcanon): Use the return value of
3772 canonicalize_induction_variables.
3773 (tree_ssa_empty_loop): Use the return value of
3775 (tree_complete_unroll): Use the return value of
3776 tree_unroll_loops_completely.
3777 (tree_ssa_loop_prefetch): Use the return value of
3778 tree_ssa_prefetch_arrays.
3779 * passes.c (execute_todo): Before Cleanup CFG, set
3780 updating_used_alone and after cleanup CFG, call
3781 recalculate_used_alone.
3783 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3786 * tree-vect-transform.c (vectorizable_condition): Move the check
3787 for the type after the check for simple condition.
3789 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3790 Kaz Kojima <kkojima@gcc.gnu.org>
3793 * mode-switching.c (optimize_mode_switching): Make the destination
3794 block of an abnormal edge have no anticipatable mode. Don't
3795 insert mode switching code at the end of the source block of
3798 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3800 PR rtl-optimization/26847
3801 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3802 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3803 (simplify_plus_minus): Count n_constants while filling ops. Replace
3804 qsort with insertion sort. Before going through the array to simplify
3805 pairs, sort it. Delay early exit until after the first sort, exiting
3806 only if no swaps occurred. Simplify pairs in reversed order, without
3807 special-casing the first iteration. Pack ops after simplifying pairs.
3809 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3811 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3812 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3813 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3814 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3816 2006-09-05 Richard Guenther <rguenther@suse.de>
3818 PR tree-optimization/28900
3819 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3820 compound conditional before creating COND_EXPR condition.
3822 2006-09-05 Richard Guenther <rguenther@suse.de>
3824 PR tree-optimization/28905
3825 * tree-vrp.c (fix_equivalence_set): Manually implement
3826 !value_ranges_intersect_p to also handle symbolic ranges.
3828 2006-09-05 Richard Guenther <rguenther@suse.de>
3831 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3834 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3836 PR rtl-optimization/27616
3837 * cse.c (table_size): New static variable.
3838 (new_basic_block): Initialize it to 0.
3839 (remove_from_table): Decrement it.
3840 (insert): Increment it.
3841 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3842 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3843 fold_rtx_mem_1 if under the cap.
3844 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3845 the lookup of the equivalent expression and test for equality of the
3846 first operand of the equivalent expression before in turn looking up
3847 an equivalent constant for the second operand.
3849 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3852 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3853 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3854 pointer, instead of assuming it is possible to derive the
3855 correct args size from a call insn.
3857 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3860 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3861 (fold_builtin_mempcpy): Rename to...
3862 (fold_builtin_memory_op): ... this. Optimize one element copy
3864 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3866 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3867 (expand_builtin_memcpy, expand_builtin_mempcpy,
3868 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3869 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3870 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3871 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3873 2006-09-01 DJ Delorie <dj@redhat.com>
3875 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3876 (stzx_16): Likewise.
3877 ("stzx_24_<mode>"): Likewise.
3878 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3879 ("cmp<mode>_op"): New.
3880 (cmp<mode>): Change to expander; just save operands.
3882 (b<code>): Change to expander, emit compare here.
3883 (s<code>_op): Change to use split and expander.
3884 (s<code>_24_op): Likewise.
3885 (s<code>_<mode>): New.
3886 (s<code>_<mode>_24): New.
3887 (movqicc_<code>_<mode): New.
3888 (movhicc_<code>_<mode>): New.
3891 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3892 (m32c_pend_compare): New.
3893 (m32c_unpend_compare): New.
3894 (m32c_expand_scc): New.
3895 (m32c_expand_movcc): Emit the compare also.
3896 * config/m32c/predicates.md (mra_nopp_operand): New.
3898 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3899 Richard Guenther <rguenther@suse.de>
3900 Adam Nemet <anemet@caviumnetworks.com>
3903 * builtins.c (get_pointer_alignment): Handle more forms
3904 of base addresses that can be used to derive more precise
3905 information about alignment.
3907 2006-09-01 Jason Merrill <jason@redhat.com>
3910 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3913 * gimplify.c (voidify_wrapper_expr): Handle null type.
3915 2006-09-01 Josh Conner <jconner@apple.com>
3918 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3919 (execute_return_slot_opt): Use it.
3921 2006-08-31 Josh Conner <jconner@apple.com>
3924 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3925 returning aggregates.
3927 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3929 PR tree-optimization/28839
3930 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3931 blocks in that phi arguments appear.
3933 2006-08-31 Roger Sayle <roger@eyesopen.com>
3936 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3937 NULL, otherwise use an advance_loc4 to adjust relative to the
3939 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3940 (dwarf2out_switch_text_section): Reset the current label to avoid
3941 using advance_loc4 over section boundaries.
3943 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3946 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3947 r12 + SYMBOLIC_CONST.
3949 2006-08-30 Richard Guenther <rguenther@suse.de>
3951 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3953 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3955 PR rtl-optimization/27735
3956 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3957 Add new argument to keep track of whether an irreducible region
3958 was affected. All callers changed.
3959 (fix_irreducible_loops): Removed.
3960 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3961 flags were invalidated.
3963 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3965 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3966 instead of SF operands.
3967 (*fop_df_comm_sse): Likewise.
3968 (*fop_df_comm_i387): Likewise.
3969 (*fop_df_1_mixed): Likewise.
3970 (*fop_df_1_sse): Likewise.
3972 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3973 J"orn Rennecke <joern.rennecke@st.com>
3975 PR tree-optimization/17506
3976 * tree-ssa.c (warn_uninit): If warning about a location outside of
3977 the current function, note where the variable was declared.
3979 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3981 PR tree-optimization/28411
3982 * double-int.c (double_int_div): Use double_int_divmod.
3983 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3984 double_int_mod, double_int_smod, double_int_umod): New functions.
3985 * double-int.h (double_int_divmod, double_int_sdivmod,
3986 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3988 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3990 (get_computation_aff, get_computation_cost_at): Handle double_int
3991 return type of constant_multiple_of.
3993 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3996 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3997 an implicit conversion.
3999 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
4001 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
4003 2006-08-27 Roger Sayle <roger@eyesopen.com>
4005 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
4008 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
4010 * config/i386/crtfastmath.c: Fix a comment typo.
4012 2006-08-26 Roger Sayle <roger@eyesopen.com>
4014 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
4015 temporary visit flags on CASE_LABEL_EXPRs.
4016 * c-common.c (match_case_to_enum): Add function comment. Avoid
4017 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
4018 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
4019 CASE_HIGH_SEEN for enumerated types. If the switch expression is
4020 a constant, only warn if that constant value isn't handled.
4022 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
4025 * input.h (restore_input_file_stack): Declare.
4026 (INPUT_FILE_STACK_BITS): Define.
4027 * toplev.c (fs_p, input_file_stack_history,
4028 input_file_stack_restored, restore_input_file_stack): New.
4029 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
4030 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
4031 (pop_srcloc): Don't free old state of stack.
4033 2006-08-26 David Edelsohn <edelsohn@gnu.org>
4036 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
4037 (PowerPC Type Attributes): New.
4039 2006-08-26 Bob Wilson <bob.wilson@acm.org>
4041 * config/xtensa/xtensa.c (function_arg_boundary): New.
4042 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
4044 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
4045 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
4047 2006-08-26 Jakub Jelinek <jakub@redhat.com>
4050 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
4053 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4055 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
4056 (verify_local_live_at_start): Likewise.
4058 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4061 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
4062 omp_add_variable): Treat sizes as variable whenever not
4065 2006-08-26 Richard Guenther <rguenther@suse.de>
4068 * fold-const.c (fold_binary): Fold temporary to correct
4069 type before constructing new comparison.
4071 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
4074 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
4075 variable again if DECL_SEEN_IN_BIND_EXPR_P.
4077 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4080 * c-decl.c (start_function): Don't try to process prototype
4081 information from old declaration that isn't a function.
4083 2006-08-25 Jan Hubicka <jh@suse.cz>
4086 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
4088 2006-08-25 Alan Modra <amodra@bigpond.net.au>
4091 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
4094 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
4096 PR tree-optimization/16876
4097 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
4098 exit if PARM doesn't match VALUE.
4100 2006-08-25 Bob Wilson <bob.wilson@acm.org>
4102 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
4103 literal_prefix directive.
4104 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
4105 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4106 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4108 2006-08-25 David Edelsohn <edelsohn@gnu.org>
4111 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
4112 predicate to general_operand. Add 0->y and I->r alternatives.
4114 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
4116 * doc/tm.texi: Fix a typo.
4117 * predict.c: Fix comment typos.
4119 2006-08-25 Nick Clifton <nickc@redhat.com>
4121 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
4122 assertions of "cpu" and "machine".
4124 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
4127 * tree-ssa-operands.c (access_can_touch_variable): Don't say
4128 the access through a base which has an alias set of 0 cannot
4131 2006-08-24 Bill Wendling <wendling@apple.com>
4133 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
4135 2006-08-24 Jan Hubicka <jh@suse.cz>
4137 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
4139 2006-08-24 Jan Hubicka <jh@suse.cz>
4142 * cgraph.c: Fix comments.
4143 (cgraph_varpool_mark_needed_node): Mark only variables not already
4145 * cgraphunit.c: Update comments; include gt-cgraphunit.h
4146 (cgraph_varpool_assembled_nodes_queue): New static variable.
4147 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
4148 (cgraph_varpool_output_debug_info): New function.
4149 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
4150 * Makefile.in: Add gt-cgraphunit.h
4152 2006-08-24 Jan Hubicka <jh@suse.cz>
4154 * predict.c (probability_reliable_p): New predicate.
4155 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
4156 (predict_loops): Do not predict loop exit with less than 2%
4158 * basic-block.h (edge_probability_reliable_p,
4159 br_prob_note_reliable_p): Declare.
4160 * ia64.h (ia64_print_operand): Do not disable on-chip branch
4161 prediction when static predictor is not reliable.
4162 * rs6000.c (output_cbranch): Likewise.
4164 2006-08-23 Stuart Hastings <stuart@apple.com>
4167 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
4168 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
4170 2006-08-21 Geoffrey Keating <geoffk@apple.com>
4173 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
4174 complex values, nor for generic vector values.
4176 2006-08-22 Richard Guenther <rguenther@suse.de>
4179 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
4180 parameter. Convert arguments to arithmetic expression to the
4182 (analyze_scalar_evolution_1): Adjust caller.
4184 2006-08-22 Jan Hubicka <jh@suse.cz>
4186 Patch by Paolo Bonzini
4187 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
4190 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
4192 PR tree-optimization/28003
4193 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
4194 before grouping aliases.
4196 2006-08-22 Roger Sayle <roger@eyesopen.com>
4198 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
4199 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
4201 2006-08-21 Jason Merrill <jason@redhat.com>
4204 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
4205 wrapper. Loop to handle nested wrappers.
4206 (gimplify_bind_expr): Remove temp parameter.
4207 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
4208 and STATEMENT_LIST on the rhs.
4209 (gimplify_statement_list): Voidify the STATEMENT_LIST.
4210 (gimplify_expr): Pass pre_p to gimplify_statement_list.
4211 (gimplify_target_expr): Remove special BIND_EXPR handling.
4213 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
4215 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
4218 2006-08-21 Olivier Hainque <hainque@adacore.com>
4220 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
4221 Arrange for the temporary captures of components overlapping the lhs
4222 to happen before the lhs is possibly cleared.
4224 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
4226 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
4227 necessary places to pass the correct "number of registers" values
4230 2006-08-20 Jan Hubicka <jh@suse.cz>
4232 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
4233 (create_name_tags): Instead of quadratic checking use hashtable.
4234 * bitmap.h: Include hashtab.h.
4235 (bitmap_hash): Declare.
4236 * bitmap.c (bitmap_hash): New function.
4238 2006-08-20 Jan Hubicka <jh@suse.cz>
4240 PR rtl-optimization/28071
4241 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
4243 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
4244 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
4245 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
4246 cgraph_decide_inlining_incrementally): Update use of
4247 cgraph_check_inline_limits.
4248 * cgraph.c (edge_hash, edge_eq): New function.
4249 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
4250 cgraph_edge_remove_caller, cgraph_node_remove_callees,
4251 cgraph_remove_node): Maintain call site hash.
4252 * cgraph.h (struct cgraph_node): Add call_site_hash.
4253 (cgraph_set_call_stmt): New function.
4255 2006-08-20 Jan Hubicka <jh@suse.cz>
4257 PR rtl-optimization/28071
4258 * reload1.c (reg_has_output_reload): Turn into regset.
4259 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
4260 choose_reload_regs, emit_reload_insns): Update to new
4261 reg_has_output_reload.
4263 2006-08-20 Jan Hubicka <jh@suse.cz>
4266 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
4267 function body sizes.
4268 * cgraphunit.c (cgraph_analyze_function): Don't do so.
4270 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
4273 * tree.c (handle_dll_attribute): Return early if not a
4274 var or function decl.
4276 2006-08-18 Joseph Myers <joseph@codesourcery.com>
4279 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
4280 alignment of SPE vector types.
4282 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
4284 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
4286 2006-08-17 Jakub Jelinek <jakub@redhat.com>
4289 * cgraph.h (struct cgraph_node): Remove externally_visible
4291 * cgraphunit.c (process_function_and_variable_attributes): Set
4292 local.externally_visible rather than externally_visible.
4295 * c-common.c (handle_externally_visible_attribute): First look
4296 at TREE_CODE and only if it is function or var decl, check for
4297 non-public objects. Don't warn for DECL_EXTERNAL.
4298 * cgraphunit.c (process_function_and_variable_attributes): Warn
4299 if externally_visible attribute is used on non-public object.
4301 2006-08-17 Jan Hubicka <jh@suse.cz>
4303 PR tree-optimization/27865
4304 * reload1.c (forget_marked_reloads): New function.
4305 (forget_old_reloads_1): When data are passed, just mark the registers
4307 (reload_as_needed): Use the new mechanizm.
4309 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
4312 * reload.h (reg_equiv_alt_mem_list): New declaration.
4313 * reload1.c (reg_equiv_alt_mem_list): New definition.
4314 (reload): Initialize it and release it.
4315 (delete_output_reload): Use it.
4316 * reload.c (push_reg_equiv_alt_mem): New function.
4317 (find_reloads_toplev): Call it.
4318 (find_reloads_address, find_reloads_address_1): Likewise.
4319 (find_reloads_subreg_address): Likewise.
4321 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4323 PR rtl-optimization/28489
4324 * sched-ebb.c (begin_schedule_ready): Create basic block
4326 (advance_target_bb): Skip empty blocks.
4327 * haifa-sched.c (bb_note): Make global.
4328 * sched-int.h (bb_note): Add prototype.
4330 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4332 PR tree-optimization/27865
4333 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
4335 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
4336 fold_used_pointer, pointer_used_p): New functions.
4337 (analyze_scalar_evolution_1): Use fold_used_pointer.
4338 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
4339 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
4342 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
4345 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
4346 or the INTEGER_CST. Fail on a CALL_EXPR.
4347 (fold_offsetof): Pass new argument to fold_offsetof_1.
4348 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
4349 operand into an INDIRECT_REF.
4350 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
4352 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4354 PR gcov/profile/26570
4355 * value-prof.c (static_values): Removed.
4356 (tree_find_values_to_profile): Do not set static_values.
4357 (find_values_to_profile): Do not free static_values.
4358 * profile.c (instrument_values): Do not free the values.
4359 (branch_prob): Free the values.
4361 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
4363 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
4365 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4368 * c-typeck.c (build_component_ref): Combine qualifiers of
4369 structure or union and field.
4371 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4373 PR rtl-optimization/28071
4374 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
4375 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
4376 * tree-into-ssa.c (struct dom_dfsnum): New.
4377 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
4379 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
4380 compute_global_livein.
4381 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
4382 in phi nodes in the correct blocks.
4384 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4386 PR tree-optimization/28364
4387 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
4389 (fold_affine_expr): New function.
4390 (may_eliminate_iv): Use fold_affine_expr.
4392 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4395 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
4398 2006-08-16 Mike Stump <mrs@apple.com>
4400 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
4401 * doc/cppopts.texi (-MD): Likewise.
4403 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
4406 * c-common.c (handle_weak_attribute): Ignore and warn if
4407 not a FUNCTION_ or VAR_DECL.
4409 2006-07-15 Mike Stump <mrs@apple.com>
4412 * c-parser.c (c_parser_typeof_specifier): Don't use
4413 c_finish_expr_stmt, open code desired semantics instead.
4415 2006-08-15 Nick Clifton <nickc@redhat.com>
4417 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
4418 fragment to tmake_file only if threads are enabled.
4419 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
4420 * config/i386/t-gthr-win32: New file. ... here.
4422 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4425 * c-parser.c (c_parser_compound_statement_nostart): Reset
4426 parser->error after each statement.
4428 2006-08-15 Jakub Jelinek <jakub@redhat.com>
4431 * omp-low.c (lower_omp_parallel): Convert t to
4432 receiver_decl's type.
4433 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
4434 source before comparison.
4437 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
4438 to itype in assignment to oldival2.
4440 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
4444 * c-typeck.c (build_compound_expr): If the second expression
4445 is an error mark, then just return an error mark instead of
4446 creating a COMPOUND_EXPR.
4448 2006-07-14 Mike Stump <mrs@apple.com>
4450 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
4452 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
4454 * c-decl.c, var-tracking.c: Fix comment typos.
4456 2006-08-14 Richard Sandiford <richard@codesourcery.com>
4458 PR rtl-optimization/28634
4459 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
4460 for floating-point modes unless flag_unsafe_math_optimizations.
4462 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
4463 Andrew Pinski <pinskia@physics.uc.edu>
4466 * tree.c (build_array_type): Unify array types with
4467 unspecified index_type.
4468 * c-decl.c (grokdeclarator): Make sure we do not modify a
4469 unified incomplete array type.
4470 * c-typeck.c (store_init_value): Create distinct type before
4471 filling in the index type in an initializer from a compound
4474 * c-decl.c (grokdeclarator): Remove code where we copy the
4477 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
4479 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
4480 into account for TODO_dump_cgraph.
4481 (TODO_update_ssa_no_phi): Likewise.
4482 (TODO_update_ssa_full_phi): Likewise.
4483 (TODO_update_ssa_only_virtuals): Likewise.
4484 (TODO_remove_unused_locals): Likewise.
4485 (TODO_set_props): Likewise.
4486 (TODO_update_stmt_usage): Likewise.
4488 2006-08-13 Dirk Mueller <dmueller@suse.de>
4490 * c-common.c (strict_aliasing_warning): Fix formatting.
4492 2006-08-13 Matthias Klose <doko@debian.org>
4494 * doc/invoke.texi: Fix spelling errors.
4496 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4498 PR rtl-optimization/23454
4499 * reorg.c (relax_delay_slots): Update comment.
4501 2006-08-11 Richard Guenther <rguenther@suse.de>
4504 * simplify-rtx.c (simplify_const_relational_operation):
4505 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
4508 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
4510 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
4511 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
4513 2006-08-10 Paul Brook <paul@codesourcery.com>
4515 * final.c (final_scan_insn): Clear current_insn_predicate before
4516 outputting inline asm.
4518 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
4520 PR tree-optimization/26197
4521 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
4522 get_ref_base_and_extent and overlap_subvar to add only relevant
4523 subvars as may-aliases.
4524 (add_may_alias_for_new_tag): New function, factored out of
4526 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
4527 with additional argument.
4528 * tree-flow.h (new_type_alias): Takes additional argument.
4530 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
4532 * gcov.c (no_data_file): New flag.
4533 (read_count_file): Set it if data file not present. Assume counts
4535 (output_lines): Don't name the data file, if there wasn't one.
4537 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
4539 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
4540 (rs6000_generate_compare): Tweak comments.
4541 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
4543 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
4545 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
4546 (var_debug_decl): New function.
4547 (var_reg_set): Follow debug decl link. Add location even if
4548 reg is already known to hold some other variable.
4549 (var_mem_set): Follow debug decl link.
4550 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
4551 decl link. Delete other known locations of the variable part
4553 (var_reg_delete, var_mem_delete): Delete other known locations
4554 of the variable part if requested.
4555 (same_variable_part_p): New function.
4556 (add_stores): Select MO_COPY when appropriate.
4557 (vt_initialize): Handle it.
4558 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
4559 known locations for MO_SET and MO_CLOBBER.
4560 (find_variable_location_part): New function.
4561 (set_variable_part, delete_variable_part): Use it.
4562 (clobber_variable_part): New function.
4563 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
4566 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
4568 PR tree-optimization/26969
4569 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
4570 with an empty list of PHIs.
4572 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
4576 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
4579 2006-08-06 Andreas Schwab <schwab@suse.de>
4581 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
4582 string. Whitespace and comment fixup.
4584 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4587 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
4591 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
4594 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
4596 2006-08-04 Jan Hubicka <jh@suse.cz>
4600 * reload.c (push_reload): Patch out the mismatching instruction;
4602 (find_reload): Bail out if the instruction was patched out.
4604 2006-08-04 Jan Hubicka <jh@suse.cz>
4606 PR tree-optimization/24888
4607 * tree-inline.c (expand_call_inline): Do not re-record variables.
4608 (declare_inline_vars): Add variable to unexpanded_var_list.
4610 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4611 Roger Sayle <roger@eyesopen.com>
4613 PR rtl-optimization/26244
4614 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
4615 inner_const are negative or greater than or equal to the bitsize of
4616 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
4617 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
4618 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
4619 CONST0_RTX (mode) when the new shift count is greater than or equal to
4620 to the bitsize of the object being shifted and XEXP (y, 0) has no side
4623 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
4625 * tree-cfg.c: Fix a comment typo.
4627 2006-08-03 Mark Mitchell <mark@codesourcery.com>
4630 * varasm.c (output_constant): Give the front end another chance to
4631 expand constants, after stripping NOPs.
4633 2006-08-03 Jan Hubicka <jh@suse.cz>
4635 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
4638 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
4640 PR tree-optimization/27770
4641 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
4642 declaration removed (moved to tree-flow.h).
4643 (vect_can_force_dr_alignment_p): Likewise.
4644 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
4645 (moved from tree-vectorizer.h).
4646 (vect_can_force_dr_alignment_p): Likewise.
4647 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
4648 from outside the vectorizer - in particular from cgraph stage.
4649 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
4650 the alignment of global arrays when -fsection-anchors is enabled.
4651 * cgraphunit.c (cgraph_increase_alignment): New function.
4652 (cgraph_optimize): Call cgraph_increase_alignment.
4654 2006-08-03 David Edelsohn <edelsohn@gnu.org>
4657 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
4658 not reload a SPE symbol_ref into a lo_sum address.
4660 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
4663 * dwarf2out.c (prune_unused_types_prune): Move call to
4664 prune_unused_types_update_strings to cover the parent DIE also.
4666 2006-08-02 Jan Hubicka <jh@suse.cz>
4668 PR gcov/profile/28480
4669 * tree-cfg.c (change_bb_for_stmt): New function.
4670 (tree_merge_blocks, tree_split_blocks): Use it.
4672 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4678 * toplev.c (compile_file): Return early on errorcount or sorrycount.
4679 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4680 (cgraph_optimize): Likewise.
4682 2006-08-01 Stuart Hastings <stuart@apple.com>
4684 * rtl.h (UINTVAL) New.
4685 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4686 * testsuite/gcc.dg/20060801-1.c: New.
4688 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4691 * c-typeck.c (build_external_type): Mark used enum types.
4692 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4694 (gen_subprogram_die): Whitespace fix.
4696 2006-08-01 Jan Hubicka <jh@suse.cz>
4698 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4699 bitmap when not needed.
4700 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4703 2006-08-01 Dirk Mueller <dmueller@suse.de>
4705 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4707 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4709 * Makefile.in: Revert part of previous patch:
4710 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4713 2006-07-30 Eric Christopher <echristo@apple.com>
4716 * doc/extend.texi (i386 Variable Attributes): Add anchor.
4717 (PowerPC Variable Attributes): New section.
4719 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
4721 PR target/28126 (partial fix)
4722 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4724 2006-07-28 Jan Hubicka <jh@suse.cz>
4726 PR rtl-optimization/28071
4727 * cfgrtl.c (rtl_delete_block): Free regsets.
4728 * flow.c (allocate_bb_life_data): Re-use regsets if available.
4730 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4732 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4733 and variables used in dependencies.
4735 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4737 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4738 %fs for -mcmodel=kernel.
4739 (stack_tls_protect_test_di): Likewise.
4741 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4743 * Makefile.in: Use mkinstalldirs.
4745 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4748 * opts-common.c (prune_options): Skip joined switches.
4750 2006-07-27 Jan Hubicka <jh@suse.cz>
4752 PR rtl-optimization/28071
4753 * cselib.c (cselib_process_insn): Don't remove useless values too
4754 often for very large hashtables.
4756 2006-07-27 Jan Hubicka <jh@suse.cz>
4758 PR rtl-optimization/28071
4759 * global.c (greg_obstack): New obstack.
4760 (allocate_bb_info): Use it.
4761 (free_bb_info): Likewise.
4762 (modify_reg_pav): Likewise.
4764 2006-07-27 Roger Sayle <roger@eyesopen.com>
4766 * builtins.c (fold_fixed_mathfn): When long and long long are the
4767 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4768 functions to their lceil*, lfloor*, lround* and lrint* forms.
4770 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4773 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4775 (rev_branch_insn): Likewise.
4777 2006-07-27 Jan Hubicka <jh@suse.cz>
4779 PR rtl-optimization/28071
4780 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4781 (reg_set_in_bb, max_reg_computed): New static variables.
4782 (regmove_optimize): Free the new array.
4783 (fixup_match_1): Update call of reg_is_remote_constant_p.
4785 2006-07-26 Jan Hubicka <jh@suse.cz>
4787 PR tree-optimization/27882
4788 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4790 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4792 (cgraph_analyze_compilation_unit): Likewise.
4793 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4794 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4795 (cgraph_early_inlinine): Make order garbage collected.
4796 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4798 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4800 * dbxout.c (output_types_sort): Add a comment.
4801 (output_used_types): Free the VEC.
4803 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4805 * function.c (reorder_fix_fragments): Delete.
4806 (reorder_blocks): Don't call it.
4807 (reorder_blocks_1): Put all subblocks under the origin block.
4809 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4811 PR rtl-optimization/27907
4812 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4815 2006-07-25 Roger Sayle <roger@eyesopen.com>
4818 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4819 bar(x) check that bar's result type can represent all the values of T.
4821 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4823 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4825 2006-07-25 Nick Clifton <nickc@redhat.com>
4827 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4828 size_lookup[] array.
4829 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4830 (ggc_pch_count_object): Likewise.
4831 (ggc_pch_alloc_object): Likewise.
4832 (ggc_pch_write_object): Likewise.
4833 (init_ggc): Do not attempt to initialize entries in the
4834 size_lookup[] array for objects whose size is greater than than
4835 the length of the array.
4837 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4839 * dbxout.c (output_used_types_helper): Push queued types
4841 (output_types_sort): New.
4842 (output_used_types): Collect used types on a VEC and sort them
4845 2006-07-24 Richard Guenther <rguenther@suse.de>
4848 * cgraph.c (cgraph_remove_node): Do not check if dumps
4850 * cgraphunit.c (cgraph_optimize): Likewise.
4852 2006-07-24 Jan Hubicka <jh@suse.cz>
4854 PR rtl-optimization/28071
4855 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4856 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4857 splitting before first stmt.
4859 2006-07-24 Jan Hubicka <jh@suse.cz>
4861 PR rtl-optimization/28071
4862 * ipa-inline.c (update_caller_keys): Remove edges that
4863 are no longer inline candidates.
4865 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4868 * dbxout.c (output_used_types_helper, output_used_types): New.
4869 (dbxout_symbol): Call output_used_types.
4871 2006-07-23 Jan Hubicka <jh@suse.cz>
4875 * cgraph.c (cgraph_varpool_nodes): Export.
4876 (decide_is_variable_needed): Ignored "used" attribute in
4877 unit-at-a-time mode.
4878 * cgraph.h (cgraph_varpool_nodes): Declare.
4879 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4880 unit-at-a-time mode.
4882 2006-07-23 Roger Sayle <roger@eyesopen.com>
4885 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4886 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4887 the __gthrw form of thr_keycreate.
4888 (__gthread_key_delete): Silence the unused argument warning.
4890 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4893 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4894 Cache the last found '\0' marker to avoid quadratic behavior.
4896 2006-07-23 Jan Hubicka <jh@suse.cz>
4898 * i386.md (subsi_3_zext): Fix output template.
4900 2006-07-21 Mike Stump <mrs@apple.com>
4902 * doc/invoke.texi (C++ Dialect Options): Note that
4903 -fvisibility-inlines-hidden doesn't affect explicitly
4904 instantiationed inline methods.
4906 2006-07-20 Roger Sayle <roger@eyesopen.com>
4908 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4909 if the target assembler is GNU binutils' gas.
4910 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4911 whether to pass GNU gas or native as command line options.
4913 2006-07-20 Jason Merrill <jason@redhat.com>
4915 * tree.c (remove_attribute): New fn.
4916 * tree.h: Declare it.
4918 2006-07-20 Paul Brook <paul@codesourcery.com>
4921 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4922 they are invalidated by this instruction.
4924 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4927 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4929 2006-07-20 Eric Christopher <echristo@apple.com>
4932 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4934 2006-07-19 Eric Christopher <echristo@apple.com>
4936 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4937 Rewrite dependencies for libgcc_s.1.dylib.
4939 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4941 * except.c (duplicate_eh_regions_1): Clear next_peer.
4943 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4945 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4946 -mlongcall does not guarantee all calls will be long.
4947 * doc/extend.texi (long_call/short_call): Document that longcall
4948 does not guarantee a long call will be used.
4949 (longcall/shortcall): Likewise.
4951 2006-07-18 Roger Sayle <roger@eyesopen.com>
4954 * expmed.c (expand_shift): Additionally check that the shift_cost
4955 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4956 before implementing a LSHIFT_EXPR as a sequence of additions.
4957 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4958 middle-end that DImode shifts need to be synthesized by expand.
4960 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4963 * tree-ssa-operands.c (access_can_touch_variable): Update
4965 Return true if ALIAS is .GLOBAL_VAR.
4967 2006-07-18 David Daney <ddaney@avtrex.com>
4969 * gcc.c (display_help): Fix typo in help text.
4971 2006-07-18 Olivier Hainque <hainque@adacore.com>
4973 * tree.h (categorize_ctor_elements): Adjust prototype and add
4974 descriptive comment, both in accordance with the interface change
4976 * varasm.c (constructor_static_from_elts_p): New function.
4977 Whether a constructor node is a valid static constant initializer
4978 if all its elements are.
4979 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4980 * output.h: Declare it.
4981 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4982 is a valid constant initializer instead of computing the number of
4983 non-constant elements. Use constructor_static_from_elts_p for this
4984 purpose. Replace the head comment with an indication that this is a
4985 helper for categorize_ctor_elements.
4986 (categorize_ctor_elements): Same interface change as for the _1
4987 helper. Former head comment from this helper moved here, adjusted to
4988 account for the interface changes.
4989 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4990 (all_zeros_p): Likewise.
4991 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4992 static versions of the constructor from the categorize_ctor_elements
4993 return value instead of the formerly computed number of non-constant
4996 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4998 * configure: Regenerate.
4999 * Makefile.in (build_libsubdir): New configure substitution
5000 (build_libobjdir): New variable.
5001 (BUILD_LIBIBERTY): Use it.
5003 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5006 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
5008 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
5011 * c-common.c (handle_weakref_attribute): Ignore attribute in
5012 the same conditions the alias attribute is ignored.
5014 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
5016 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
5017 (dbxout_begin_prologue): Increment scope_labelno.
5019 2006-07-17 Richard Henderson <rth@redhat.com>
5022 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
5025 2006-07-17 Roger Sayle <roger@eyesopen.com>
5026 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5028 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
5029 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
5030 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
5031 functions such as sbrk, write, etc.. Add function prototypes.
5032 Convert function declarations from K&R to ISO C. Cast pointers
5033 to "long" and "unsigned long" instead of "int" and "unsigned int".
5034 Convert tokens following #endif into comments.
5036 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
5038 * invoke.texi: Remove mention of f77; Reformat table for
5039 inline parameter options correctly; mention that -malign-double
5040 is default on x86-64 targets.
5042 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
5044 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
5045 (convert_affine_scev, chrec_convert_aggressive): Use
5046 avoid_arithmetics_in_type_p. Do not check for the subtypes
5049 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5052 * optabs.c (expand_doubleword_shift): Wrap the call to
5053 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
5055 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5058 * optabs.c (expand_binop): Pass next_methods rather than methods
5059 to expand_doubleword_shift.
5061 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
5064 * tree.h (dump_addr): Declare.
5065 * print-tree.c (dump_addr): New function.
5066 (print_node_brief, print_node): Use it.
5067 * print-rtl.c (print_rtx): Likewise.
5068 * common.opt (-fdump-noaddr): New option.
5069 * doc/invoke.texi (-fdump-noaddr): Document.
5070 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
5071 (ve_info_hash): Likewise.
5073 2006-07-13 Andrew Haley <aph@redhat.com>
5075 PR tree-optimization/19505
5076 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
5077 edge leaving this block, make sure that the destination of this
5078 block has only one predecessor.
5080 2006-07-17 Richard Guenther <rguenther@suse.de>
5082 PR tree-optimization/28238
5083 * tree-inline.c (copy_bb): Check if we produced valid
5084 gimple copying and substituting a stmt. If not, gimplify
5087 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
5089 * optabs.c (maybe_encapsulate_block): New function extracted from...
5090 (emit_libcall_block): ...here. Invoke it on the block of insns to
5091 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
5092 (emit_no_conflict_block): Likewise.
5094 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5096 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
5098 2006-07-15 Roger Sayle <roger@eyesopen.com>
5100 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
5101 a new NOP_EXPR case of the switch statement.
5103 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
5106 * stor-layout.c (place_field): Take the bit field with
5107 an excessive size into account in the ms-bitfiled case.
5110 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
5111 the previous bit field.
5113 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
5116 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
5118 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5120 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
5121 signal frames correctly even when the signal was installed with
5124 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
5126 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
5127 (dbxout_function_end): Use local label LFBB. Remove hook
5129 (dbxout_source_line): Use local label LFBB.
5130 (dbxout_block): Likewise.
5131 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
5132 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
5133 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
5134 and DBX_OUTPUT_NFUN.
5136 2006-07-13 Janis Johnson <janis187@us.ibm.com>
5138 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
5140 2006-07-13 Jan Hubicka <jh@suse.cz>
5142 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
5144 * output.h (align_variable): Declare.
5145 * varasm.c (align_variable): Export.
5146 * value-prof.c (tree_value_profile_transformations): Recompute iterator
5147 when basic block changed.
5149 2006-07-13 Nick Clifton <nickc@redhat.com>
5151 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
5152 walking the LOG_LINKS chain.
5154 2006-07-12 Geoffrey Keating <geoffk@apple.com>
5156 * doc/invoke.texi (C++ Dialect Options): Explain difference
5157 between -fvisibility-inlines-hidden and setting hidden
5158 visibility explicitly.
5160 2006-07-12 Eric Christopher <echristo@apple.com>
5162 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
5163 (stmp-lipo): Depend on libgcc.a.
5165 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
5167 * tree.c: Fix a comment typo.
5169 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
5171 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5173 (umulhisi3_r): Likewise.
5175 2006-07-12 Paolo Carlini <pcarlini@suse.de>
5178 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
5179 x < 19, vs wchar_t support.
5181 2006-07-12 Nick Clifton <nickc@redhat.com>
5183 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
5184 instead of -isa=sh4.
5186 2006-07-12 Mike Stump <mrs@apple.com>
5188 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
5190 2006-07-10 Eric Christopher <echristo@apple.com>
5192 * config/t-slibgcc-darwin: Rewrite.
5194 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
5197 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
5200 2006-07-08 Matthias Klose <doko@debian.org>
5202 * doc/sourcebuild.texi: Fix typo.
5204 2006-07-07 Mike Stump <mrs@apple.com>
5206 * toplev.c (process_options): Don't give -ffunction-sections may
5207 affect debugging warning for Mach-O.
5209 2006-07-07 James E Wilson <wilson@specifix.com>
5211 * config/mips/mips.md (cpu): Add sb1a.
5212 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
5213 addition to sb1. Adjust comments to clarify SB-1A differences from
5215 (ir_sb1a_load): New. Modify bypasses to use it.
5216 (ir_sb1a_simple_alu): Likewise.
5217 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
5218 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
5219 (mips_issue_rate): Add PROCESSOR_SB1A.
5220 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
5221 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
5222 (TARGET_SB1): Add PROCESSOR_SB1A check.
5223 (TUNE_SB1): Likewise.
5225 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
5226 * config/mips/mips.c (mips_store_data_bypass_p): New.
5227 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
5228 store_data_bypass_p.
5230 2006-07-08 Paul Brook <paul@codesourcery.com>
5233 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
5235 2006-07-07 Richard Guenther <rguenther@suse.de>
5238 * tree.h (build_one_cst): Declare.
5239 * tree.c (build_one_cst): New function.
5240 * tree-ssa-math-opts.c (get_constant_one): Remove.
5241 (insert_reciprocals): Use build_one_cst.
5242 * fold-const.c (fold_plusminus_mult): Likewise.
5244 2006-07-07 Roger Sayle <roger@eyesopen.com>
5246 * pointer-set.c (pointer_set_destroy): Correct whitespace.
5247 * cfgloopanal.c (dump_graph): Likewise.
5248 * dojump.c (discard_pending_stack_adjust): Likewise.
5249 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
5251 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
5252 * function.c (finalize_block_changes): Likewise.
5253 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
5254 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
5255 * rtl.c (dump_rtx_statistics): Likewise.
5256 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
5258 * varray.c (dump_varray_statistics): Likewise.
5259 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
5260 decode_decimal64, encode_decimal128, decode_decimal128,
5261 decimal_real_to_decimal): Likewise.
5263 2006-07-07 Richard Guenther <rguenther@suse.de>
5265 PR tree-optimization/28187
5266 * tree-vrp.c (vrp_operand_equal_p): New function.
5267 (vrp_bitmap_equal_p): Likewise.
5268 (update_value_range): Use them to compare old and new
5271 2006-07-06 Roger Sayle <roger@eyesopen.com>
5273 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
5274 a default case to switch statement to silence compiler warnings.
5276 2006-07-06 Roger Sayle <roger@eyesopen.com>
5279 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
5280 the configured assembler supports the x87's ffreep mnemonic.
5281 * configure: Regenerate.
5282 * config.in: Regenerate.
5284 * config/i386/i386.c (output_387_ffreep): New function.
5285 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
5286 (output_387_reg_move): Likewise.
5288 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
5290 Port to hosts whose 'sort' and 'tail' implementations
5291 treat operands with leading '+' as file names, as POSIX
5292 has required since 2001. However, make sure the code still
5293 works on pre-POSIX hosts.
5294 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
5295 which says you should use "tail -c +N" rather than "tail +Nc".
5296 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
5298 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5300 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
5303 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5306 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5307 PRE_{INC,DEC} of TFmode.
5309 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5310 Alan Modra <amodra@bigpond.net.au>
5313 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
5316 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5319 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
5320 Remove duplicate gtu.
5322 2006-07-05 Jason Merrill <jason@redhat.com>
5326 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
5327 * c-common.c (handle_packed_attribute): So don't copy it here.
5328 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
5330 2006-07-05 Mike Stump <mrs@apple.com>
5332 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
5334 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
5337 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
5339 2006-07-05 Richard Guenther <rguenther@suse.de>
5342 * config/i386/i386.md (*negdf2_1): Restrict pattern to
5343 TARGET_SSE2 targets if using SSE math.
5344 (*absdf2_1): Likewise.
5346 2006-07-05 Richard Guenther <rguenther@suse.de>
5348 PR tree-optimization/28162
5349 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
5350 make sure to convert the operands to the correct type.
5352 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
5354 PR tree-optimization/28218
5356 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
5357 to calculate and free the dominator information.
5359 2006-07-04 Peter O'Gorman <peter@pogma.com>
5361 * mklibgcc.in: chmod 644 before ranlib during install.
5363 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5364 J"orn Rennecke <joern.rennecke@st.com>
5366 * configure.ac (.eh_frame data check): Use diff -b.
5368 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5371 * Makefile.in (BUILD_RTL): Add build/vec.o.
5372 (build/gencondmd.o): Filter out -fkeep-inline-functions.
5373 (build/genextract): Delete.
5374 (build/genautomata): Likewise.
5376 2006-07-04 Alan Modra <amodra@bigpond.net.au>
5379 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
5380 128-bit IBM long doubles for ABI_V4.
5382 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
5384 * tree.c (range_in_array_bounds_p): New predicate.
5385 * tree.h (range_in_array_bounds_p): Declare it.
5386 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
5387 return a less conservative answer.
5388 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
5389 and flag 'is_group'.
5390 (IS_ELEMENT_FOR_GROUP): New macro.
5391 (FOR_EACH_ACTUAL_CHILD): Likewise.
5392 (next_child_for_group): New helper function.
5393 (can_completely_scalarize_p): Take into account groups.
5394 (sra_hash_tree): Handle RANGE_EXPR.
5395 (sra_elt_eq): Likewise.
5396 (lookup_element): Be prepared for handling groups.
5397 (is_valid_const_index): Delete.
5398 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
5399 instead of is_valid_const_index.
5400 <ARRAY_RANGE_REF>: New case.
5401 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
5402 is_valid_const_index.
5403 <ARRAY_RANGE_REF>: Do not unconditionally punt.
5404 (scan_dump): Dump info for groups too.
5405 (decide_instantiation_1): Likewise.
5406 (decide_block_copy): Assert that the element is not a group.
5407 Propagate decision to groups.
5408 (generate_one_element_ref): Handle RANGE_EXPR.
5409 (mark_no_warning): Iterate over actual childs.
5410 (generate_copy_inout): Likewise.
5411 (generate_element_copy): Likewise.
5412 (generate_element_zero): Likewise.
5413 (generate_element_init_1): Likewise.
5414 (dump_sra_elt_name): Handle RANGE_EXPR.
5416 2006-07-03 Roger Sayle <roger@eyesopen.com>
5418 PR tree-optimization/26251
5419 * tree-ssa-threadupdate.c (redirection_block_p): New function.
5420 (thread_block): When optimizing for size refuse to thread jumps
5421 that would require duplication of blocks other than redirection
5424 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5426 * configure.ac: Fix thinko in previous check-in.
5427 * configure: Regenerate.
5429 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5432 * configure.ac (for lang...): Simplify nesting of conditionals.
5433 Test subdir_requires for non-enabled languages. Move processing
5434 of lang_opt_files and lang_tree_fiels below that test.
5435 * configure: Regenerate.
5436 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
5438 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
5440 * doc/gcov.texi (Invoking Gcov): Add a missing word.
5442 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
5444 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
5447 2006-06-29 Jason Merrill <jason@redhat.com>
5454 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
5455 * c-common.c (c_determine_visibility): Handle it here.
5456 * c-decl.c (finish_decl): Call c_determine_visibility for
5458 * flags.h (enum symbol_visibility): Sort from most to least visibility.
5460 * varasm.c (default_assemble_visibility): Likewise.
5461 * c-common.c (handle_visibility_attribute): Complain about trying
5462 to give visibility to an already defined class, or trying to change
5463 declared visibility. Always attach the attribute.
5468 * attribs.c (decl_attributes): Ignore type-in-place attributes
5469 once the type has been defined.
5471 2006-06-29 Roger Sayle <roger@eyesopen.com>
5474 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
5475 to indicate the cpplib has issued an error message for us.
5477 2006-06-29 Asher Langton <langton2@llnl.gov>
5480 * config/i386/i386.c (ix86_output_function_epilogue): Don't
5481 insert a label at the end of an function under Mach-O.
5483 2006-06-29 Eric Christopher <echristo@apple.com>
5484 Evan Cheng <evan.cheng@apple.com>
5486 * predicates.md (vector_all_ones_operand): New.
5487 (nonimmediate_or_sse_const_operand): Ditto.
5488 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
5489 * config/i386/i386.c (standard_sse_constant_opcode): Define.
5490 (standard_sse_mode_p): Ditto.
5491 (standard_sse_constant_p): Add case for -1 vector.
5492 (ix86_expand_vector_move): Try to use.
5493 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
5494 Call standard_sse_constant_opcode.
5495 (*movv4sf_internal): Ditto.
5496 (*movv2df_internal): Ditto.
5498 2006-06-29 Roger Sayle <roger@eyesopen.com>
5500 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
5501 of XEXP to extract the operands of a MATCH_CODE rtx.
5503 2006-06-28 Andrew Pinski <pinskia@gmail.com>
5505 * tree.c (tree_size): Do not waste tail padding in
5506 struct tree_string and make the size be the same as
5507 build_string will generate.
5509 2006-06-28 Jason Merrill <jason@redhat.com>
5512 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
5513 may_aliases already in the tag's annotations to the bitmap.
5515 2006-06-28 Roger Sayle <roger@eyesopen.com>
5517 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
5519 2006-06-28 Roger Sayle <roger@eyesopen.com>
5521 * genpreds.c (generate_switch_p): New function.
5522 (add_mode_tests): Push the new mode test down inside an AND expr
5523 if this allows the switch-suitable MATCH_CODE to be near the root.
5524 (write_match_code_switch): New function to write a MATCH_CODE as
5526 (write_predicate_stmts): New function to write a predicate RTX
5527 expression as a sequence of statements.
5528 (write_one_predicate_function): Use write_predicate_stmts.
5529 (write_tm_constrs_h): Likewise.
5531 2006-06-26 Fred Fish <fnf@specifix.com>
5533 * config/mips/t-sb1: New file.
5534 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
5537 2006-06-26 DJ Delorie <dj@redhat.com>
5539 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
5541 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
5542 Jayant Sonar <jayants@kpitcummins.com>
5543 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
5545 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
5546 (subsi3, subsi3_1, subsi3_2): New.
5547 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
5548 * config/m32c/mov.md (SI mov peephole): New.
5549 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
5550 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
5552 2006-06-26 Olivier Hainque <hainque@adacore.com>
5554 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
5555 a CALL_EXPR target function declaration.
5557 2006-06-26 Richard Guenther <rguenther@suse.de>
5559 * tree.c (build_string): Do not waste tail padding in
5562 2006-06-26 Richard Guenther <rguenther@suse.de>
5564 * ggc-page.c (init_ggc): Add missing element to size_lookup
5568 2006-06-23 Richard Guenther <rguenther@suse.de>
5570 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5571 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5572 alignment requests instead. Add verification code.
5573 Add struct tree_function_decl and struct tree_binfo size to
5574 extra_order_size_table. Add missing element to size_lookup
5577 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
5580 * fold-const.c (const_binop): Be prepared for self returning zero.
5581 Simplify code handling complex values.
5583 2006-06-24 Olivier Hainque <hainque@adacore.com>
5585 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
5586 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
5589 2006-06-24 Olivier Hainque <hainque@adacore.com>
5591 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
5592 ARRAY_REF, so have the callback called for the low bound expression.
5594 2006-06-23 Janis Johnson <janis187@us.ibm.com>
5596 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
5597 * c-typeck.c (c_common_type): Disallow operations on decimal float
5598 types and other float types.
5599 * convert.c (convert_to_real): Don't ignore conversions involving
5600 decimal float types.
5602 2006-06-23 Olivier Hainque <hainque@adacore.com>
5604 * tree.c (max_int_size_in_bytes): New function, inspired from
5605 code in function.c:assign_temp.
5606 * tree.h (max_int_size_in_bytes): Declare.
5607 * function.c (assign_temp): Use it.
5608 * gimplify.c (create_tmp_var): Relax the assertions on the type
5609 properties, not mandating constant size any more.
5610 (force_constant_size): New static function.
5611 (gimple_add_tmp_var): Use it, forcing variable size to a
5612 constant upper bound if it is not constant on entry.
5614 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
5617 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
5618 for initialization and setting of one_only flag to ...
5619 (i386_pe_encode_section_info): ...here.
5620 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
5621 Recheck that the symbol has not been defined.
5623 2006-06-23 Richard Guenther <rguenther@suse.de>
5625 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5626 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5627 alignment requests instead. Add verification code.
5628 Add struct tree_function_decl and struct tree_binfo size to
5629 extra_order_size_table. Add missing element to size_lookup
5632 2006-06-22 Roger Sayle <roger@eyesopen.com>
5633 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5636 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
5637 call to lang_hooks.types.type_for_mode returned NULL_TREE.
5639 2006-06-23 Ben Elliston <bje@au.ibm.com>
5641 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
5642 negate dn -- manipulate it directly.
5644 2006-06-22 Roger Sayle <roger@eyesopen.com>
5645 Steven Bosscher <stevenb.gcc@gmail.com>
5648 * reload1.c (gen_reload): Call mark_jump_label on the new insns
5649 generated by gen_move_insn to add REG_LABEL notes if necessary.
5651 2006-06-22 Bob Wilson <bob.wilson@acm.org>
5653 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
5654 (leaf_entry): Remove use of MIN_ESA.
5656 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
5658 PR rtl-optimization/28121
5659 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
5662 2006-06-21 DJ Delorie <dj@redhat.com>
5664 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
5666 (mulhisi3_r): Likewise.
5668 2006-06-21 Richard Sandiford <richard@codesourcery.com>
5671 * coverage.c (coverage_counter_alloc): Leave the index type
5673 (coverage_counter_alloc): Use null arguments for operands 2 and 3
5676 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
5678 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
5679 section from the "Options for Code Generation Conventions".
5681 2006-06-21 Richard Henderson <rth@redhat.com>
5685 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5687 (global_symbolic_operand): Allow weak symbols, even if local_p.
5689 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5691 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5692 (find_interesting_uses_address): Punt if above function returns true.
5694 2006-06-21 Richard Guenther <rguenther@suse.de>
5696 * configure: Regenerated.
5698 2006-06-21 Joseph Myers <joseph@codesourcery.com>
5700 * config/mips/mips.c (function_arg): Where one part of a
5701 complex argument is in registers and the other part in the stack,
5702 return a REG not a PARALLEL.
5704 2006-06-21 Mark Mitchell <mark@codesourcery.com>
5706 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5707 when cross-compiling. Do not substitute libstdcxx_incdir.
5708 * configure: Regenerated.
5710 2006-06-21 Jakub Jelinek <jakub@redhat.com>
5712 * varasm.c (mergeable_string_section): Check for embedded NULs and
5713 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5714 rather than TREE_STRING_LENGTH bytes.
5716 2006-06-21 Richard Guenther <rguenther@suse.de>
5718 * ggc-page.c (extra_order_size_table): Add var_ann_d,
5719 tree_ssa_name, bitmap_element and phi_node with 4 arguments
5722 2006-06-21 Richrad Guenther <rguenther@suse.de>
5724 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5725 Limit iteration over the dominators.
5727 2006-06-20 Roger Sayle <roger@eyesopen.com>
5729 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5730 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5732 2006-06-20 Richard Guenther <rguenther@suse.de>
5733 Michael Matz <matz@suse.de>
5735 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5737 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5738 * et-forest.h (et_free_pools): Prototype new function.
5739 * et-forest.c (et_free_tree_force): Free parent occurrence.
5740 (et_free_pools): New function.
5741 * dominance.c (free_dominance_info): Free et-forest alloc
5744 2006-06-20 Roger Sayle <roger@eyesopen.com>
5746 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5747 integer modes, attempt to directly construct an integer constant.
5749 * fold-const.c (native_encode_vector): Determine the size of each
5750 element from the vector type instead of the first vector element.
5752 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5753 if all of its elements/components are constant.
5754 (build_constructor_from_list): Likewise.
5756 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5758 PR tree-optimization/27331
5759 * tree-data-ref.c (free_data_ref): New function.
5760 (create_data_ref): Fail if the data reference has unknown access
5762 (free_data_refs): Use free_data_ref.
5764 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5767 * tree-inline.c (setup_one_parameter): Strip useless
5768 type conversion before adding it to the IR.
5769 (declare_return_variable): Likewise.
5771 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5774 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5776 2006-06-19 Mike Stump <mrs@apple.com>
5778 * tree.c (variably_modified_type_p): VM arguments don't make the
5781 2006-06-19 Richard Guenther <rguenther@suse.de>
5783 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5784 type conversions after folding.
5786 2006-06-19 Richard Guenther <rguenther@suse.de>
5788 * ggc-page.c (extra_order_size_tab): Add entries with
5789 size of struct function and basic_block.
5790 (size_lookup): Extend to cover sizes up to 511.
5791 (ggc_alloc_stat): Adjust user.
5792 (ggc_pch_count_object): Likewise.
5793 (ggc_pch_alloc_object): Likewise.
5794 (ggc_pch_write_object): Likewise.
5796 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5798 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5799 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5802 2006-06-19 Denis Chertykov <denisc@overta.ru>
5804 * config/avr/libgcc.S : Correct my wrong previous commit.
5806 2006-06-19 Roger Sayle <roger@eyesopen.com>
5809 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5810 have stripped a SUBREG from the shift count, so we may need to
5811 convert_to_mode back to the type's mode before calling make_tree.
5812 Use new_amount instead of amount to avoid expanding a tree twice.
5814 2006-06-19 Richard Guenther <rguenther@suse.de>
5817 * fold-const.c (operand_equal_p): Check if the argument types
5818 have the same precision before stripping NOPs.
5820 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5822 Fix PR tree-optimization/27341
5823 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5825 * tree-complex.c (pass_lower_complex): Update SMT usage.
5827 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5829 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5830 Add a new alternative to the constraint strings. Add move of
5831 operand 1 to 3 to the splitter definition.
5832 ("doloop_si_long"): Second contraint alternative removed.
5834 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5836 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5837 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5839 (AVR_HAVE_MOVW) Define.
5840 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5841 (ASM_SPEC): Add avr25.
5842 (LINK_SPEC): Add avr25.
5843 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5844 (base_arch_s): Add new member 'have_movw_lpmx'.
5845 (avr_arch_types): Init 'have_movw_lpmx'.
5846 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5847 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5848 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5849 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5850 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5852 (avr_file_start): Do not output '.arh' derective.
5853 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5854 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5855 * config/avr/avr.md (mcu_enhanced): Delete.
5856 (mcu_have_movw): Define.
5857 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5858 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5859 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5860 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5861 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5862 attiny861 and at86rf401 devices.
5864 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5866 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5869 2006-06-17 Karl Berry <karl@gnu.org>
5871 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5872 doc/gccint.texi, doc/install.texi (@dircategory): Use
5873 "Software development" instead of "Programming", following
5874 the Free Software Directory.
5876 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5878 * config/i386/i386.c (legitimate_tls_address)
5879 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5880 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5881 (*tls_dynamic_gnu2_combine_64): Likewise.
5883 2006-06-16 Richard Guenther <rguenther@suse.de>
5886 * fold-const.c (negate_expr_p): Do not introduce undefined
5887 overflow in negating INTEGER_CSTs.
5888 (fold_negate_expr): Rename from negate_expr. Revert last
5889 change for folding BIT_NOT_EXPR. Change semantics to
5890 return NULL_TREE for non-simplified negations. Do not
5891 strip type conversions and unify type handling.
5892 (negate_expr): New function, wrap around fold_negate_expr
5893 but ensure building a tree always. Strip type conversions
5894 here, fold to result type.
5895 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5897 2006-06-16 Roger Sayle <roger@eyesopen.com>
5900 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5901 that (would) return their results in stack registers.
5903 2006-06-16 Michael Matz <matz@suse.de>
5904 Richard Guenther <rguenther@suse.de>
5906 * fold-const.c (fold_truthop): Only return new tree node if
5907 we canonicalized something.
5909 2006-06-16 Richard Guenther <rguenther@suse.de>
5911 * function.h (enum function_frequency): Move declaration
5912 out of struct function.
5913 (struct function): Move bool fields and the enum to the bitfield
5914 section. Reorder elements to avoid padding. Remove unused
5915 fields left over from the RTL inliner removal.
5916 * function.c (free_after_compilation): Do not zero removed fields.
5917 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5918 (ipa-type-escape.o): Likewise.
5920 2006-06-16 Richard Guenther <rguenther@suse.de>
5922 * cgraph.h (struct cgraph_local_info): Turn bool elements
5924 (struct cgraph_node): Likewise.
5925 (struct cgraph_varpool_node): Likewise.
5927 2006-06-15 Richard Guenther <rguenther@suse.de>
5929 * fold-const.c (fold_truth_not_expr): Rename from
5930 invert_truthvalue. Give it fold_* semantics to avoid
5932 (invert_truthvalue): New function. Wrapper around
5933 fold_truth_not_expr.
5934 (optimize_minmax_comparison): Avoid creating garbage.
5935 (fold_unary): Use fold_truth_not_expr for folding
5937 (fold_ternary): Replace uses of invert_truthvalue with
5938 fold_truth_not_expr where applicable.
5939 * tree.h (fold_truth_not_expr): Prototype.
5941 2006-06-16 Richard Guenther <rguenther@suse.de>
5943 PR tree-optimization/27781
5944 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5945 * ipa-pure-const.c (target.h): Include.
5946 (analyze_function): Do not analyze functions that do not
5949 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5952 * tree-dfa.c (referenced_vars_dup_list): Remove.
5953 (find_referenced_vars): Remove assert.
5954 (referenced_var_check_and_insert): Replace dup list with assert.
5955 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5956 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5958 2006-06-15 Richard Guenther <rguenther@suse.de>
5960 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5961 extra unused identifiers if not dumping.
5962 (create_variable_info_for): Likewise.
5964 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5966 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5967 (derive_constant_upper_bound): Derive more precise upper bound in
5968 common cases. Return type changed to double_int.
5969 (record_estimate): Reflect the changed return type of
5970 derive_constant_upper_bound.
5971 * double-int.c (double_int_zext, double_int_sext): Fix.
5973 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5975 * configure.ac (CFLAGS): Get them from the toplevel or from the
5976 configure invocation.
5977 * configure: Regenerate.
5978 * Makefile.in (CFLAGS): Substitute value provided by configure.
5980 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5983 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5984 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5985 rather than calling add_stmt on it.
5986 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5988 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5991 * reload1.c (reload): Remove registers returned by update_eliminables
5992 from used_spill_regs.
5994 2006-06-13 DJ Delorie <dj@redhat.com>
5996 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5998 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
6000 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
6001 html__strip_dir, html__mkdir_p. Enhance install-html target.
6002 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
6003 * configure: Regenerate.
6005 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
6007 * fold-const.c (fold_cond_expr_with_comparison): Check for
6008 Objective-C++ as language in deciding COND_EXPR transformation.
6010 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
6013 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
6014 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
6015 * config/sh/lib1funcs.h (SL, SL1): Define.
6016 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
6017 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
6018 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
6019 (OBJS_Os_4_200): New variable.
6020 ($(T)libgcc-Os-4-200.a): Use it.
6021 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
6022 when dividing 1 and/or by 0.
6024 2006-06-13 Roger Sayle <roger@eyesopen.com>
6026 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
6027 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
6028 * configure: Regenerate.
6030 2006-06-13 Jie Zhang <jie.zhang@analog.com>
6032 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
6033 for real instruction.
6035 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6038 * haifa-sched.c (check_cfg): Handle special case.
6040 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
6043 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
6044 Add debug_info parameter. Chain the vars to the BLOCK instead
6045 of the BIND_EXPR if debug info are requested for them.
6046 (pop_gimplify_context): Adjust for above change.
6047 (gimple_add_tmp_var): Likewise.
6048 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
6050 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
6051 (convert_local_reference): Likewise.
6052 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
6053 (finalize_nesting_tree_1): Request that debug info be emitted
6054 for debug_var_chain.
6056 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6058 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
6059 for PR target/27863.
6061 2006-06-13 Richard Guenther <rguenther@suse.de>
6064 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
6066 2006-06-13 Richard Guenther <rguenther@suse.de>
6068 PR tree-optimization/27830
6069 * tree-inline.c (copy_body_r): For copying the operand
6070 of an ADDR_EXPR make sure to fold &* afterwards.
6072 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
6074 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
6075 lvalues in the fb_none case with side-effects.
6077 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
6079 * tree-flow.h: Remove the prototype for
6080 compute_phi_arg_on_exit.
6081 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
6082 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
6085 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
6087 * builtins.c (expand_builtin_return_addr): Only use
6088 frame_pointer_rtx when count == 0 and we are expanding
6089 __builtin_return_address.
6091 2006-06-12 Fred Fish <fnf@specifix.com>
6093 * config/mips/mips.c (mips_file_start): Create special section
6094 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
6096 2006-06-11 Eric Christopher <echristo@apple.com>
6099 * stor-layout.c (place_field): Remove check for
6100 remaining_in_alignment when aligning at the end of a run.
6102 2006-06-11 Eric Christopher <echristo@apple.com>
6105 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
6108 2006-06-11 Roger Sayle <roger@eyesopen.com>
6111 Revert incorrect fix for PR target/27158
6112 2006-05-08 Roger Sayle <roger@eyesopen.com>
6113 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6114 of a reg_equiv_constant if the result is a legitimate constant.
6116 2006-06-11 Roger Sayle <roger@eyesopen.com>
6119 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
6120 extract a CONST_VECTOR element and interpret it as an integer.
6121 (vspltis_constant): Use const_vector_elt_as_int instead of the
6122 macro CONST_VECTOR_ELT in order to handle FP vector modes.
6123 * config/rs6000/predicates.md (easy_vector_const): Consider
6124 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
6126 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
6129 * stor-layout.c (update_alignment_for_field): Don't add extra
6130 alignment for packed non-bitfield fields in ms_bitfield_layout_p
6133 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
6135 * config/mips/t-rtems: Add EL/EB multilib variants.
6137 2006-06-09 Mike Stump <mrs@apple.com>
6139 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
6141 2006-06-09 David Daney <ddaney@avtrex.com>
6143 * doc/install.texi: Add binutils version recommendation for mips-*-*.
6145 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
6147 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
6149 2006-06-09 Richard Guenther <rguenther@suse.de>
6151 PR tree-optimization/26998
6152 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
6153 of signed types, only TYPE_MIN_VALUE is special, but for both,
6154 minimum and maximum value. Likewise VR_ANTI_RANGE is special
6155 in this case, as is -fwrapv.
6157 2006-06-08 Mike Stump <mrs@apple.com>
6160 * config/darwin.c (darwin_asm_output_anchor): Disable
6161 -fsection-anchors on darwin for now.
6162 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
6163 * rs6000/rs6000.c (optimization_options): Likewise.
6165 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6168 * config/i386/i386.c (classify_argument): Skip fields with invalid
6171 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
6173 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
6174 (cse_insn): Likewise for the stack_pointer_rtx.
6176 2006-06-08 Roger Sayle <roger@eyesopen.com>
6178 * tree-ssa-dom.c (record_conditions): Only record "unordered"
6179 conditions from floating point comparisons.
6181 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
6184 * expmed.c (struct alg_hash_entry): Fix type of field T
6185 to match synth_mult argument.
6186 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
6188 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6191 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
6194 2006-06-08 Richard Guenther <rguenther@suse.de>
6197 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
6198 only, if overflow is defined and not trapping.
6199 (negate_expr): Likewise.
6201 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6203 PR tree-optimization/27872
6204 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
6205 flag on the new exit edge of the unrolled loop.
6207 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6209 PR rtl-optimization/26449
6210 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
6212 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
6215 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
6216 referenced_variables with matching DECL_UID's.
6217 (find_referenced_vars): Make sure duplicate list is empty to start.
6218 (referenced_var_p): Remove.
6219 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
6220 Check if var is in the list, and add if needed. Update the duplicate
6221 list if a different var is in the list with the same DECL_UID.
6222 (add_referenced_var): Call routine to check and insert.
6223 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
6224 * tree-flow.h (referenced_vars_dup_list): External declaration.
6226 2006-06-07 Fred Fish <fnf@specifix.com>
6228 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
6231 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
6234 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
6235 the imaginary and real parts of a clobbered register.
6236 Emit insn to set the imaginary part.
6238 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
6240 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
6241 in lieu of unwind-dw2-fde.c.
6243 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6245 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
6247 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
6250 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
6251 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
6252 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
6253 V4SImode temporaries and operations instead.
6255 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
6257 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
6260 2006-06-06 Mike Stump <mrs@apple.com>
6262 * Makefile.in: Rename to htmldir to build_htmldir to avoid
6263 installing during build.
6265 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6267 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
6269 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6270 * config/ia64/ia64.c (params.h): New header.
6271 (ia64_optimization_options): New function to adjust parameters.
6272 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
6273 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
6274 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
6276 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
6278 * stor-layout.c (debug_rli): Fix a typo in a debug message.
6280 2006-06-05 Steve Ellcey <sje@cup.hp.com>
6283 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
6285 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
6286 Victor Kaplansky <victork@il.ibm.com>
6288 PR tree-optimization/26360
6289 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
6292 2006-06-04 Roger Sayle <roger@eyesopen.com>
6293 Andrew Pinski <pinskia@physics.uc.edu>
6296 * c-common.c (c_common_truthvalue_conversion): Explicitly check
6297 for LABEL_DECL before calling DECL_WEAK.
6300 * c-typeck.c (build_binary_op): Likewise, explicitly check for
6301 LABEL_DECL and PARM_DECL.
6303 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
6307 * c-decl.c (grokdeclarator): Disallow variably modified types at
6308 file scope. Avoid marking shared array type of constant size as
6311 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6314 * c-common.c (fold_offsetof_1): Handle static members.
6316 2006-06-04 Eric Christopher <echristo@apple.com>
6318 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
6319 (debug_rli): Output value for remaining_in_alignment.
6320 (update_alignment_for_field): Unconditionalize
6321 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
6322 extra alignment code.
6323 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
6324 ms_bitfield_layout_p code. Rewrite handling of structure fields.
6325 * tree.h (record_layout_info_s): Remove prev_packed.
6326 * doc/extend.texi (ms_struct): Add documentation of format.
6328 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
6330 * tree.h: Declare folding_initializer.
6331 * builtins.c (fold_builtin_constant_p): Give definite answer
6332 if folding inside an initializer.
6333 * fold-const.c: Define folding_initializer.
6334 (START_FOLD_INIT): Save and then set folding_initializer.
6335 (END_FOLD_INIT): Restore folding_initializer.
6337 2006-06-04 Richard Guenther <rguenther@suse.de>
6339 PR tree-optimization/27039
6340 * fold-const.c (fold_comparison): Handle pointer comparison
6341 again for all comparison codes. Compare offsets in signed
6343 (fold_binary): Move code from here.
6345 2006-06-03 Roger Sayle <roger@eyesopen.com>
6348 * config/i386/i386.c (construct_container): Split static issued_error
6349 flag into issued_sse_arg_error, issued_sse_ret_error and
6350 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
6351 requires the use of x87 registers and the user explicitly
6352 specified the -mno-80387 command line option.
6354 2006-06-02 Geoffrey Keating <geoffk@apple.com>
6356 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
6357 HAVE_DECL_SIGALTSTACK.
6359 (segv_handler): Use MC_FLD.
6360 * configure.ac: Check for a sigaltstack declaration.
6361 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
6362 * configure: Regenerate.
6363 * config.in: Regenerate.
6365 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
6368 * Makefile.in (stmp-fixinc): Fix typo.
6370 2006-06-02 Roger Sayle <roger@eyesopen.com>
6372 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
6373 are type correct. Clean-up.
6374 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6375 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
6377 2006-06-01 DJ Delorie <dj@redhat.com>
6379 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
6380 shift, as we've disabled the "switch" insn that needs it.
6382 2006-06-01 Per Bothner <bothner@bothner.com>
6384 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
6385 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
6386 * c-ppoutput.c (cb_define): Don't increment line 0.
6388 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
6390 * doc/invoke.texi: Add cpu_type power6.
6391 * config.gcc: Add cpu_type power6.
6392 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
6393 to power5+ with Altivec.
6394 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
6395 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
6397 2006-05-30 Anatoly Sokolov <aesok@post.ru>
6399 * config/avr/avr.h (SET_ASM_OP): Define.
6401 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
6403 * config/bfin/bfin.c: Fix comment typos.
6405 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6408 * doc/install.texi: Document --enable-bootstrap and
6409 --disable-bootstrap.
6411 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6413 * doc/install.texi: Document that InfoZIP can replace jar.
6415 2006-05-31 Roger Sayle <roger@eyesopen.com>
6417 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
6418 isn't available, directly generate the simpler x87 patterns without
6419 the (use (const_int 0)).
6420 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
6421 implementation isn't available.
6422 (*negdf2_1): Likewise.
6423 (*negxf2_1): XF mode negation is always done using the x87.
6424 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
6426 2006-05-31 Roger Sayle <roger@eyesopen.com>
6428 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
6429 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
6431 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
6433 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6435 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
6436 * config/bfin/bfin.c (basic-block.h): Include.
6437 (struct machine_function): New.
6438 (bfin_init_machine_status): New.
6439 (override_options): Initialize init_machine_status.
6440 (bfin_hardware_loop): New.
6441 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
6442 (DEF_VEC_P (loop_info)): New.
6443 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
6444 (struct loop_info): New.
6445 (loop_info): New typedef.
6446 (struct loop_work): New.
6447 (loop_work): New typedef.
6448 (DEF_VEC_O (loop_work)): New.
6449 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
6450 (bfin_dump_loops): New.
6451 (bfin_bb_in_loop): New.
6452 (bfin_scan_loop): New.
6453 (bfin_optimize_loop): New.
6454 (bfin_reorg_loops): New.
6455 (bfin_reorg): Use bfin_reorg_loops.
6456 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
6458 (I_REGNO_P): Simplify.
6459 (DP_REGNO_P, DPREG_P): New macros.
6460 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
6461 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
6462 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6463 Add LT_REGS, LC_REGS, LB_REGS.
6464 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
6466 (REGNO_REG_CLASS): Deal with loop registers.
6467 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
6469 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
6470 New constants for loop registers.
6471 (UNSPEC_LSETUP_END): New.
6472 (seq_insns): New define_attr. Set it for appropriate insns.
6473 (movsi_insn): Add alternatives for move from/to
6474 loop count registers.
6475 (doloop_end): New define_expand.
6476 (loop_end): New define_insn.
6477 (define_split for bad doloop_end): New.
6478 (lsetup_with_autoinit): New define_insn.
6479 (lsetup_without_autoinit): New define_insn.
6480 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
6481 * config/bfin/predicates.md (lc_register_operand): New.
6482 (lt_register_operand): New.
6483 (lb_register_operand): New.
6484 (nondp_register_operand): New.
6485 (nondp_reg_or_memory_operand): New.
6486 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
6488 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6490 * config/bfin/bfin.c (bfin_delegitimize_address): New.
6491 (TARGET_DELEGITIMIZE_ADDRESS): Define.
6493 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
6495 * Makefile.in (CATALOGS): Add po/ prefix.
6496 * configure: Regenerated.
6498 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
6501 * arm.c (arm_print_operand case 'S'): Validate that the operand is
6502 a shift operand before calling shift_op. Avoid redundant call of
6505 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
6506 DJ Delorie <dj@redhat.com>
6508 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
6509 we're inserting is a singlt-bit constant.
6511 2006-05-30 Roger Sayle <roger@eyesopen.com>
6513 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
6514 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
6516 2006-05-30 Roger Sayle <roger@eyesopen.com>
6518 PR tree-optimization/23452
6519 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
6520 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
6521 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
6522 complex values and with -ffast-math for FP complex values.
6524 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
6526 * c-common.h: Remove the prototype for yyparse.
6527 * rtl.h: Remove the prototype for init_loop.
6529 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
6531 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
6534 2006-05-30 Roger Sayle <roger@eyesopen.com>
6536 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
6538 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
6539 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
6541 2006-05-30 Dirk Mueller <dmueller@suse.de>
6544 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
6545 for CONSTANT_CLASS_P expresisons.
6547 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6550 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
6552 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
6554 PR tree-optimization/27779
6555 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
6556 initial_condition instead of CHREC_LEFT.
6558 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
6560 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
6561 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
6562 Make prototypes ISO C90.
6564 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
6565 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6567 * see.c (see_analyze_one_def): Correct check.
6568 (see_get_extension_data): Check if extension is parallel.
6569 (see_get_extension_reg): Likewise.
6571 2006-05-30 Uros Bizjak <uros@kss-loka.si>
6574 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
6575 into register for (code == GTU).
6577 2006-05-29 Roger Sayle <roger@eyesopen.com>
6579 PR tree-optimization/24964
6580 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
6581 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
6582 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
6583 abs(x)*abs(x) as x*x for scalar floating point modes.
6585 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
6588 * lambda-code.c (perfect_nestify): Don't copy statements
6589 in the inner loop: move them to the inner loop header.
6591 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6594 * c-tree.texi: Document OpenMP directives and clauses.
6596 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6598 * varasm.c (globalize_decl): Fix indentation.
6600 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6603 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
6604 pass_fre, pass_store_ccp, pass_copy_prop,
6605 pass_store_copy_prop, pass_merge_phi, pass_nrv,
6606 pass_return_slot, pass_object_size, pass_lim,
6607 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
6608 pass_loop_prefetch and pass_stdarg.
6610 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
6612 * config/bfin/bfin.opt (mfdpic): New option.
6613 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
6614 (EXTRA_MULTILIB_PARTS): Likewise.
6615 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
6616 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
6618 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
6619 (CRT_CALL_STATIC_FUNCTION): New.
6620 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
6622 (CRT_CALL_STATIC_FUNCTION): New.
6623 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
6625 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
6626 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
6627 (initialize_trampoline): Changed to handle FD-PIC code generation.
6628 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
6629 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
6630 (override_options): Disallow -mid-shared-library -mfdpic combination.
6631 Can't do unaligned ops if FD-PIC.
6632 Turn off flag_pic if trying to generate non-id-shared-library
6633 non-fdpic code, since it's not supported.
6634 (bfin_assemble_integer): New function.
6635 (TARGET_ASM_INTEGER): Define.
6636 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
6638 * config/bfin/crtn.s: Restore them.
6639 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
6641 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
6642 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
6643 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
6644 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
6645 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
6647 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
6648 FDPIC_REGS and FDPIC_FPTR_REGS.
6649 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
6650 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
6651 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
6652 (load_funcdescsi): New pattern.
6653 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
6654 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
6655 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
6657 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6659 * gcse.c, rtlanal.c: Remove obsolete comments associated with
6662 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
6664 * tree-flow.h: Remove the prototype for add_type_alias.
6665 * tree-ssa-alias.c (add_type_alias): Remove.
6667 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
6669 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
6670 config/fr30/fr30.md, config/i386/i386-interix.h,
6671 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
6672 config/sh/superh64.h, config/v850/v850.c, df-core.c,
6673 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
6674 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
6675 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
6676 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
6677 Follow spelling conventions.
6678 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
6679 Follow spelling conventions.
6681 2006-05-27 Richard Guenther <rguenther@suse.de>
6684 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6685 to produce a constant of value 1 of generic type.
6687 2006-05-27 Dirk Mueller <dmueller@suse.de>
6689 * cgraphunit.c (decide_is_function_needed): Fix wrong
6692 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6694 PR rtl-optimization/27661
6695 * reload.c (find_reloads): When reloading a VOIDmode constant
6696 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6697 use Pmode as mode of the reload register.
6699 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
6701 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6702 is enabled at -O and above.
6704 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
6707 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6710 2006-05-25 Mark Mitchell <mark@codesourcery.com>
6713 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6714 for anonymous variables explicitly declared by front ends.
6716 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6718 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6719 (struct alias_info): Add new field ref_all_symbol_mem_tag.
6720 * tree-ssa-alias.c (compute_may_aliases): If the program contains
6721 ref-all pointers, run a finalization pass for them.
6722 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6723 (finalize_ref_all_pointers): New function.
6724 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6725 regular pointer type to a ref-all pointer type.
6726 (get_tmt_for): Return the special memory tag for ref-all pointers.
6728 2006-05-25 Richard Guenther <rguenther@suse.de>
6731 * fold-const.c (fold_binary): Do not look at the stripped
6732 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6734 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6736 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6737 for LT and GT if the computed range is effectively empty.
6739 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6742 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6743 mips_quad_format formats instead of ieee_single_format,
6744 ieee_double_format and ieee_quad_format formats, respectively.
6746 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6748 PR tree-optimization/27639
6749 PR tree-optimization/26719
6750 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6751 call to scev_probably_wraps_p.
6752 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6753 used_in_pointer_arithmetic_p, convert_step): Removed.
6754 (nowrap_type_p): New function.
6755 (scev_probably_wraps_p): Rewritten.
6756 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6757 chrec_convert if chrec_convert_aggressive might have been used.
6758 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6759 scev_direction): New functions.
6760 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6761 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6762 instead of convert_step.
6763 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6764 (convert_step): Declaration removed.
6765 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6767 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6769 * df-core.c: Added to header comments.
6770 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6771 df_ur_bb_info, df_urec_bb_info): Added comments.
6772 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6773 urec, ri problems): Fixed header comments.
6774 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6775 code from df_rd_transfer_function.
6777 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6779 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6780 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6781 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6783 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6785 * expr.c (undefined_operand_subword_p): New.
6786 (emit_move_multi_word): Do not generate move from undefined bits
6787 of a paradoxical subreg.
6789 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6791 PR rtl-optimization/27736
6792 * combine.c (replaced_rhs_value): New variable.
6793 (combine_instructions): Set it.
6794 (distribute_notes): When distributing a note in replaced_rhs_insn,
6795 check whether the value was used in replaced_rhs_value.
6797 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6800 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6801 add_referenced_var instead of add_referenced_tmp_var.
6802 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6803 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6805 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6806 tree_optimize_tail_calls_1): Use add_referenced_var.
6807 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6808 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6809 Use add_referenced_var.
6810 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6811 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6812 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6813 Use add_referenced_var.
6814 * tree-dfa.c (struct walk_state): Remove.
6815 (find_referenced_vars): Remove walk state and vars_found hash table.
6816 (make_rename_temp): Use add_referenced_var.
6817 (find_vars_r): Pass less parameters to add_referenced_var.
6818 (referenced_var_p): New. Is var in referenced_var hash table.
6819 (referenced_var_insert): Assert var isn't already in hash table.
6820 (add_referenced_var): Don't need walk_state parameter. Add var if it
6821 isn't already in the hash table.
6822 (add_referenced_tmp_var): Remove.
6823 (find_new_referenced_vars_1): Use add_referenced_var.
6824 * tree-ssa-pre.c (create_expression_by_pieces,
6825 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6826 Use add_referenced_var.
6827 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6828 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6829 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6831 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6832 vect_create_data_ref_ptr, vect_create_destination_var,
6833 vect_init_vector, vect_build_loop_niters,
6834 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6835 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6836 Use add_referenced_var.
6837 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6838 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6839 (add_referenced_var): Add prototype.
6840 * tree-ssa-structalias.c (get_constraint_for,
6841 intra_create_variable_infos): Use add_referenced_var.
6843 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6845 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6846 big-endian paradoxical subregs.
6847 * var-tracking.c (struct micro_operation_def): Document that,
6848 for modify micro operations, insn is the subsequent instruction.
6849 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6850 (var_reg_set, var_mem_set): ... new functions.
6851 (add_stores): Record subsequent insn.
6852 (compute_bb_dataflow): Use new functions for MO_USE.
6853 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6854 notes after the insn, and modify notes before the insn known
6855 to be the subsequent one.
6856 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6858 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6861 * config/i386/i386.c (ix86_expand_builtin): Use
6862 gen_sse3_monitor64 for TARGET_64BIT.
6864 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6866 PR rtl-optimization/26375
6867 PR rtl-optimization/26855
6868 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6870 (df_ru_bb_local_compute): Reversed statements and removed bogus
6871 comment explaining why they should be in wrong order.
6872 (df_ru_dump, df_rd_dump): Enhanced debug info.
6873 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6875 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6876 reaching uses and fixed space problem.
6878 2006-05-23 Jan Hubicka <jh@suse.cz>
6880 * cgraphunit.c (decide_is_function_needed): Also nested functions
6881 and functions declared inline can be optimized out at -O0.
6883 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6885 * doc/install.texi (Configuration): Remove reference to CrossGCC
6889 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6892 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6893 ix86_compare_emitted is non-NULL.
6895 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6898 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6901 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6903 PR rtl-optimization/25514
6904 * combine.c (replaced_rhs_insn): New variable.
6905 (combine_instructions): Set replaced_rhs_insn when trying to replace
6906 a SET_SRC with a REG_EQUAL note.
6907 (distribute_notes): Use replaced_rhs_insn when determining the live
6908 range of a REG_DEAD register.
6910 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6911 Anatoly Sokolov <aesok@post.ru>
6913 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6914 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6915 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6916 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6917 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6918 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6919 at90usb647, at90usb1286 and at90usb1287 devices.
6920 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6921 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6923 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6925 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6927 2006-05-22 Richard Guenther <rguenther@suse.de>
6930 2006-01-31 Richard Guenther <rguenther@suse.de>
6931 Paolo Bonzini <bonzini@gnu.org>
6933 * doc/install.texi (--disable-libgcc-math): Document.
6935 2006-05-22 Richard Guenther <rguenther@suse.de>
6938 2006-01-31 Richard Guenther <rguenther@suse.de>
6940 * doc/invoke.texi (-msselibm): Document.
6941 * target.h (expand_library_builtin): New target hook.
6942 * builtins.c (expand_builtin): Use expand_library_builtin.
6943 (default_expand_library_builtin): New function.
6944 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6945 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6946 (link_gcc_math_spec): Declare.
6947 (static_specs): Add link_gcc_math_spec.
6948 * expr.h (default_expand_library_builtin): Declare.
6949 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6950 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6951 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6952 * config/i386/i386.opt (msselibm): New target option.
6953 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6954 (ix86_init_sse_abi_builtins): New function.
6955 (ix86_expand_library_builtin): Likewise.
6956 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6957 (override_options): Handle error conditions wrt -msselibm.
6958 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6959 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6960 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6963 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6966 * c-common.c (self_promoting_args_p): Skip erroneous args.
6969 * c-decl.c (finish_struct): Skip erroneous fields.
6971 2006-05-22 Nick Clifton <nickc@redhat.com>
6973 * config/cris/cris.opt (march): Remove VarExists attribute.
6974 (max-stackframe=): Likewise.
6976 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6978 * doc/rtl.texi: Fix a typo.
6979 * see.c: Fix comment typos.
6981 * tree-ssa-structalias.h (alias_info): Remove num_references.
6983 2006-05-21 Mike Stump <mrs@apple.com>
6985 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6987 (darwin_pragma_options): Use BAD instead.
6988 (darwin_pragma_unused): Likewise.
6989 (darwin_pragma_ms_struct): Likewise.
6991 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6993 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6995 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6997 PR rtl-optimization/27671
6998 * simplify-rtx.c (simplify_relational_operation_1): Fix
6999 simplifications of (eq/ne (xor x y) y) and
7000 (eq/ne (xor x y) x).
7002 PR tree-optimization/26622.
7003 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
7006 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7008 * tree-cfg.c: Prune whitespace.
7009 (debug_tree_cfg): Point to correct header containing the
7012 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7015 * cgraphunit.c (verify_cgraph_node): Typo in error message.
7017 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
7020 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
7021 or sorry count is non zero.
7023 2006-05-20 Andreas Schwab <schwab@suse.de>
7025 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
7027 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
7028 Kenneth Zadeck <zadeck@naturalbridge.com>
7030 PR rtl-optimization/26855
7032 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
7034 (df_scan_alloc): Added code to properly handle multiword hard
7035 registers and add all_blocks parameter.
7036 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
7037 code to properly handle multiword hard registers.
7038 (df_rescan_blocks): Added code to remove deleted blocks from
7040 (df_ref_create_structure, df_ref_record): Added code to properly
7042 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
7043 and set DF_REF_PARTIAL.
7044 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
7045 (df_uses_record): Added DF_REF_PARTIAL for subreg.
7046 (df_scan_add_problem): Added flags parameter.
7047 (df_ref_create_structure): Changed switching structure.
7048 (df_bb_refs_record): Fixed case where duplicate artificial refs
7049 were created. Changed location of flags.
7050 (df_record_entry_block_defs): Added code to make stack pointer
7051 live in entry block. Refined cases where frame pointer is needed.
7052 Changed location of flags.
7053 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
7054 (df_set_state): Removed function.
7055 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
7056 df_insn_create_insn_record, df_insn_refs_delete,
7057 df_ref_create_structure): Formatting changes.
7058 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
7059 df_delete_basic_block): New function.
7060 (df_init): Changed location of flags.
7061 (df_add_problem): Added flags parameter and the way flags are
7063 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
7064 debug_df_chain): Improved debugging output.
7065 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
7066 (df_refs_chain_dump): Removed df parameter.
7067 (df_iterative_dataflow): Added consistency check.
7068 (df_prune_to_subcfg): Made public.
7069 (df_analyze_problem): Added blocks_to_init parameter and made
7071 (df_ref_record, df_bb_refs_record, df_mark_reg,
7072 df_record_exit_block_uses): Whitespace changes.
7073 (df_dump): Whitespace changes.
7074 * df.h: Some reordering to remove forward references.
7075 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
7076 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
7077 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
7078 (dataflow.flags): New field.
7079 (df.flag): Deleted field.
7080 (df_alloc_function): Added additional bitmap parameter.
7081 (df_dependent_problem_function): New type.
7082 (df_problem.changeable_flags): New field.
7083 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
7084 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
7085 (df_mw_hardreg): New struct.
7086 (DF_INSN_UID_MWS): New macro.
7087 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
7089 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
7090 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
7091 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
7092 (df_set_state): Removed function.
7093 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
7094 * df-problems.c (df_chain_dump): Removed df parameter.
7095 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
7096 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
7098 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
7099 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
7100 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
7101 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
7102 DF_REF_MUST_CLOBBER cases.
7103 (df_ru_bb_local_compute_process_def,
7104 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
7105 df_lr_bb_local_compute, df_ur_bb_local_compute,
7106 df_chain_create_bb): Made subreg aware.
7107 (df_ru_bb_local_compute, df_rd_bb_local_compute,
7108 df_lr_bb_local_compute, df_lr_bb_local_compute,
7109 df_chain_create_bb): Cleanup to use proper macros.
7110 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
7111 code to fixup bitvectors.
7112 (df_ri_alloc): Cleared lifetime.
7113 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
7114 df_create_unused_note): New function.
7115 (df_ri_bb_compute, df_ri_compute): Added code to create/update
7116 REG_DEAD and REG_UNUSED notes as well as register information.
7117 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
7118 df_chains_dump): Fixed crash if problem was never run.
7119 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
7120 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
7121 df_ri_add_problem): Processes flags in uniform manner.
7122 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
7123 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
7124 df_rd_dump, df_urec_free_bb_info): Formatting changes.
7125 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
7126 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
7127 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
7128 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
7129 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
7130 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
7131 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
7132 * see.c (see_initialize_data): Ditto.
7133 * final.c (rest_of_clean_state) Added regstack_completed.
7134 * rtl.h (regstack_completed): Ditto.
7135 * reg-stack.c (regstack_completed): Ditto.
7137 2006-05-19 Mike Stump <mrs@apple.com>
7139 * c-tree.h (default_conversion): Remove.
7140 * c-common.h (default_conversion): Add.
7142 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
7144 * tree-vrp.c (valid_value_p): New function.
7145 (adjust_range_with_scev): Fail if the value of bound is not
7148 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7150 * config/mips/linux-unwind.h: Include <asm/unistd.h>
7151 (mips_fallback_frame_state): Use syscall numbers to determine
7152 the appropriate li instruction for the current ABI. Only use
7153 __NR_sigreturn for o32.
7155 2006-05-19 Nicolas Setton <setton@adacore.com>
7157 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
7158 * langhooks.c (lhd_dwarf_name): New function.
7159 * langhooks-def.h (lhd_dwarf_name): Declare.
7160 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
7161 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
7162 * ada/misc.c (gnat_dwarf_name): New function.
7163 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
7165 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7167 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
7169 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
7170 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7171 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
7172 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
7173 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
7174 determine the size of Wtype, etc.
7175 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
7176 (swfloatfuncs): New variable.
7177 (dwfloatfuncs): Likewise.
7178 (lib2funcs): Remove floating-point conversion functions from
7179 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
7180 the set of conversion routines needed. Allow entries to specify
7181 an object name, filename and word size. Update users accordingly.
7182 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
7183 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
7187 2006-02-08 Roger Sayle <roger@eyesopen.com>
7190 * config/fixtfdi.c: New libgcc source file.
7191 * config/fixunstfdi.c: New source file.
7192 * config/floatditf.c: New source file.
7193 * config/floatunditf.c: New souce file.
7194 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7195 files above instead of config/mips/_tilib.c.
7196 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7198 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7200 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
7201 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
7203 2006-05-18 Mike Stump <mrs@apple.com>
7205 Fix up vla, vm and [*] sematics.
7211 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
7212 (c_vla_unspec_p): Add.
7213 (c_vla_type_p): Add.
7214 * c-decl.c (struct c_scope): Add had_vla_unspec.
7215 (build_array_declarator): Add support for [*].
7216 (grokdeclarator): Likewise.
7217 (grokparms): Likewise.
7218 (get_parm_info): Likewise.
7219 * c-objc-common.c (c_vla_unspec_p): Likewise.
7220 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
7221 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
7222 typeof when argument is a variably modified type not inside sizeof or alignof.
7223 (c_parser_direct_declarator_inner): Propagate errors.
7224 (c_parser_sizeof_expression): Add support for [*].
7225 (c_parser_parms_declarator): Initialize had_vla_unspec.
7226 (c_parser_parms_list_declarator): Likewise.
7227 * c-typeck.c (c_vla_type_p): Add.
7228 (composite_type): Add support for vla compositing.
7229 (comptypes_internal): Add support for vla compatibility.
7230 (c_expr_sizeof_expr): Evaluate vla arguments.
7231 * tree.c (variably_modified_type_p): Update comment for [*].
7233 2006-05-18 Michael Matz <matz@suse.de>
7236 * config.host: Make assignments to host_xmake_file cumulative.
7237 * config.host (*-darwin*): Test $host, not $target.
7239 2006-05-12 Stuart Hastings <stuart@apple.com>
7241 * config/i386/i386.opt (-mstackrealign): New flag.
7242 * config/i386/i386.c (force_align_arg_pointer): New attribute.
7243 (ix86_handle_cconv_attribute): Emit error when
7244 force_align_arg_pointer attribute collides with too many regparms.
7245 (ix86_function_regparm): Limit regparms when used with
7246 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
7247 Support stack-realigning prologue in non-main functions. Emit
7248 warning for nested functions under -mstackrealign, emit error for
7249 nested functions with force_align_arg_pointer attribute.
7250 * doc/extend.texi (force_align_arg_pointer): Document it.
7251 * doc/invoke.texi (-mstackrealign): Document it.
7253 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
7255 PR rtl-optimization/27477
7256 * combine.c (try_combine): Don't split a parallel consisting
7257 of two sets into two individual sets if both sets reference
7260 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
7262 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
7263 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
7265 * doc/options.texi (VarExists): Updated.
7267 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7269 * unwind-dw2.c: Add declarations for uw_update_context and
7271 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
7272 detected, advance frame state and context once to skip over stub.
7274 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7278 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
7279 Call rewrite_into_loop_closed_ssa only when something changed.
7280 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
7281 * lambda-code.c (can_convert_to_perfect_nest): Declared.
7282 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
7283 Test for perfect_nest_p here. Fix formating.
7284 (replace_uses_equiv_to_x_with_y): Fix formating.
7285 (stmt_uses_op): Removed.
7286 (can_convert_to_perfect_nest): Removed loopivs parameter.
7287 Complete the test by checking the scalar dependences.
7288 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
7291 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7294 From Dan Kegel <dank@kegel.com>:
7295 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
7297 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
7299 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
7300 if the element type is variably modified without recursing.
7302 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7305 * tree-loop-linear.c (try_interchange_loops): Test for
7306 no data dependences.
7308 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
7310 PR tree-optimization/27548
7311 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
7312 range of ssa names that appear on abnormal edges.
7313 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
7314 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
7316 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7319 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
7321 2006-05-17 Jakub Jelinek <jakub@redhat.com>
7324 * tree.h (OMP_PARALLEL_COMBINED): Define.
7325 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
7326 (new_omp_context): Add is_combined_parallel argument.
7327 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
7328 new_omp_context caller.
7329 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
7330 Adjust gimplify_scan_omp_clauses callers.
7331 (omp_is_private): Issue errors if iteration variable is firstprivate
7332 or reduction in the current context.
7333 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
7334 on combined parallel workshare constructs.
7336 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7338 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
7339 (gcc-options.o): New rule.
7341 * optc-gen.awk: Protect variables for gcc-options.o with
7342 #ifdef GCC_DRIVER/#endif.
7344 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
7346 Fix PR tree-optimization/27373
7347 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
7348 (forward_propagate_addr_expr): Update call.
7350 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7352 * doc/options.texi: Move the Negative option.
7354 2006-05-16 Richard Guenther <rguenther@suse.de>
7356 PR tree-optimization/22303
7357 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
7359 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
7360 ccp_fold did not simplify the statement.
7362 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7365 * Makefile.in (GCC_OBJS): New.
7366 (OBJS-common): Add opts-common.o.
7367 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7368 (cpp$(exeext)): Likewise.
7369 (gcc.o): Also depend on opts.h.
7370 (opts-common.o): New.
7372 * common.opt (gcoff): Add Negative(gdwarf-2).
7373 (gdwarf-2): Add Negative(gstabs).
7374 (gstabs): Add Negative(gstabs+).
7375 (gstabs+): Add Negative(gvms).
7376 (gvms): Add Negative(gxcoff).
7377 (gxcoff): Add Negative(gxcoff+).
7378 (gxcoff+): Add Negative(gcoff).
7379 * config/i386/i386.opt (m32): Add Negative(m64).
7380 (m64): Add Negative(m32).
7382 * doc/options.texi: Document the Negative option.
7384 * gcc.c: Include "opts.h".
7385 (main): Call prune_options after expandargv.
7387 * optc-gen.awk: Generate common declarations for all flag
7388 variables in options.c. Output the neg_index field.
7390 * opts.c (find_opt): Moved to ...
7391 * opts-common.c: Here. New file.
7393 * opts.h (cl_option): Add a neg_index field.
7395 (prune_options): Likewise.
7397 2006-05-16 Jakub Jelinek <jakub@redhat.com>
7400 * omp-low.c (expand_omp_parallel): Don't assert
7401 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
7402 instead search for it.
7405 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
7408 2006-05-16 Andreas Schwab <schwab@suse.de>
7410 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
7413 2006-05-15 Roger Sayle <roger@eyesopen.com>
7416 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
7417 integer constants other than zero are only legitimate on TARGET_64BIT.
7418 <CONST_VECTOR> Only zero vectors are legitimate.
7419 (ix86_cannot_force_const_mem): Integral and vector constants can
7420 always be put in the constant pool.
7422 2006-05-16 DJ Delorie <dj@redhat.com>
7424 * crtstuff.c (__dso_handle): Set section from
7425 TARGET_LBIGCC_SDATA_SECTION if defined.
7426 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
7427 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
7429 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
7432 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
7435 2006-05-16 Ben Elliston <bje@au.ibm.com>
7437 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
7439 2006-05-15 Per Bothner <per@bothner.com>
7441 * tree.c: (last_annotated_node): Use source_locus typedef.
7442 This permits bootstrapping with --enable-mapped-location.
7444 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
7446 PR tree-optimization/26830
7447 * tree-into-ssa.c (struct ssa_name_info): Add age field.
7448 (info_for_ssa_name, current_info_for_ssa_name_age,
7449 blocks_to_update): New variables.
7450 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
7451 (clear_ssa_name_info, initialize_flags_in_bb,
7452 mark_block_for_update): New functions.
7453 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
7454 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
7455 prepare_def_site_for): Use mark_block_for_update.
7456 (mark_def_interesting): Assert that the processed block is marked in
7457 blocks_to_update. Do not take blocks argument.
7458 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
7460 (rewrite_update_init_block, rewrite_update_stmt): Only process
7461 blocks with statements to rewrite.
7462 (delete_update_ssa): Do not clear SSA_NAME_AUX.
7463 (update_ssa): Initialize and free blocks_to_update. Do not
7464 clear flags on statements. Do not use blocks bitmap.
7465 * tree.h (SSA_NAME_AUX): Removed.
7466 (struct tree_ssa_name): Removed aux field.
7467 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
7469 2006-05-15 Richard Guenther <rguenther@suse.de>
7471 PR tree-optimization/27603
7472 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
7473 Do computations in original type.
7475 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
7477 * see.c: Code style changes such as redundant paranthesis,
7478 redundant intialization of local variables etc.
7479 (see_main): Declared now as static.
7480 * doc/invoke.texi: Update that -fsee is not enabled by
7483 2006-05-15 Jakub Jelinek <jakub@redhat.com>
7485 * omp-low.c (check_omp_nesting_restrictions): New function.
7486 (scan_omp_1): Call it.
7489 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
7490 construct, return *VAR.
7492 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
7494 PR rtl-optimization/27406
7495 * bt-load.c (migrate_btr_def): Skip the block having abnormal
7498 2006-05-14 Roger Sayle <roger@eyesopen.com>
7500 PR rtl-optimization/27538
7501 * combine.c (expand_compound_operation): Call gen_lowpart
7502 before calling simplify_shift_const.
7504 2006-05-14 Roger Sayle <roger@eyesopen.com>
7506 PR rtl-optimization/22563
7507 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
7508 a fixed width bitfield, always force the intermediates into psuedos.
7510 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
7513 * mkconfig.sh: Use operator = instead of == for test.
7515 2006-05-13 Nick Clifton <nickc@redhat.com>
7517 * dwarf2out.c (dbx_reg_number): Check return value from
7518 LEAF_REG_REMAP and only use it if it is valid.
7519 (multiple_reg_loc_descriptor): Likewise.
7521 2006-05-13 Richard Guenther <rguenther@suse.de>
7523 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
7526 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
7528 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
7529 information attached to non-INSNs such as NOTEs.
7530 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
7532 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
7534 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
7536 * config/s390/s390.md: Adjust comment describing On constraint.
7538 2006-05-11 Jan Hubicka <jh@suse.cz>
7540 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
7541 to be output at -O0.
7543 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7546 * fold-const.c (size_binop): Move sanity check for arguments to
7547 the beginning of the function.
7550 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
7553 2006-05-11 Richard Guenther <rguenther@suse.de>
7556 * fold-const.c (fold_unary): Handle intermediate conversion
7557 to a pointer type like intermediate conversion to an integer
7558 type in folding of (T1)(T2)var to var.
7559 Match the code to the comment in the final conversion for
7560 (T1)(T2)var to (T1)var regarding to type precision. Rather
7561 than disallow T1 being of pointer type, assert that both T1
7562 and var are of pointer type or not. Make sure not to fall
7563 over the frontends lazyness wrt array to pointer decay though.
7565 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
7567 * arm.c (arm_struct_value_rtx): Delete.
7568 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
7569 (arm_init_cumulative_args): Always initialize nregs to zero.
7571 2006-05-10 Richard Guenther <rguenther@suse.de>
7573 PR tree-optimization/27532
7574 * tree-object-size.c (plus_expr_object_size): Fix typo.
7576 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
7579 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
7580 ashrdi_const, ashrdi3): Use a scratch register.
7582 2006-05-10 Richard Guenther <rguenther@suse.de>
7584 PR tree-optimization/27302
7585 * fold-const.c (operand_equal_p): For two comparisons,
7586 try comparison of one comparison code swapped if that yields
7589 2006-05-10 Ben Elliston <bje@au.ibm.com>
7591 * tree-pretty-print.c (pretty_print_string): No need to handle
7592 '\0' as a special character.
7594 * tree.h: Include "hashtab.h".
7595 (iterative_hash_expr): Use hashval_t in its prototype.
7596 * Makefile.in (TREE_H): Add $(HASHTAB_H).
7598 2006-05-09 Steve Ellcey <sje@cup.hp.com>
7601 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
7602 (hppa*64*-*-hpux11*): Ditto.
7603 (hppa[12]*-*-hpux11*): Ditto.
7605 2006-05-09 David Edelsohn <edelsohn@gnu.org>
7608 * config/rs6000/aix41.h (TARGET_64BIT): Define.
7610 2006-05-09 Michael Matz <matz@suse.de>
7612 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
7613 host_extra_gcc_objs and host_xmake_file.
7614 (<*-*-linux*>): Don't overwrite host_xmake_file.
7615 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
7616 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
7617 (host_detect_local_cpu): Declare.
7618 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
7619 * config/i386/i386.c (override_options): Handle -mtune=native
7621 * config/i386/x-i386: New file.
7622 * config/i386/driver-i386.c: New file.
7623 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
7626 2006-05-09 Dirk Mueller <dmueller@suse.de>
7627 Richard Guenther <rguenther@suse.de>
7630 * fold-const.c (fold_read_from_constant_string): Relax check
7631 for matching types to matching modes.
7633 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
7635 PR rtl-optimization/27335
7636 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
7639 2006-05-08 Chao-ying Fu <fu@mips.com>
7640 Richard Sandiford <richard@codesourcery.com>
7642 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
7643 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
7644 * config/mips/mips.md (UNSPEC_SCC): New constant.
7645 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
7646 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
7647 (mips_emit_compare): Use it.
7648 (mips_expand_vcondv2sf): New function.
7650 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
7652 Fix PR tree-optimization/27093
7653 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
7654 renaming when they become not-used_alone.
7656 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7658 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
7659 relocation and relocation stubs.
7661 2006-05-08 Eric Christopher <echristo@apple.com>
7663 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
7666 2006-05-08 Jan Hubicka <jh@suse.cz>
7669 * cgraphunit.c (decide_is_function_needed): When not optimizing even
7670 unused static functions are needed.
7672 2006-05-08 Roger Sayle <roger@eyesopen.com>
7675 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7676 of a reg_equiv_constant if the result is a legitimate constant.
7678 2006-05-08 Uros Bizjak <uros@kss-loka.si>
7681 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7682 standard 80387 constants, raise the cost to prevent
7683 compress_float_constant() to generate load from memory.
7685 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7687 * config/arm/constraints.md (c): Fix a typo.
7689 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7692 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7695 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7697 (_mm_mwait): Likewise.
7699 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7701 (sse3_monitor): Make it 32bit only.
7702 (sse3_monitor64): New. 64bit monitor.
7704 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7707 * config/i386/i386.c (classify_argument): Skip fields with invalid
7710 2006-05-07 Richard Guenther <rguenther@suse.de>
7712 PR tree-optimization/27409
7713 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7714 Do not try to find zero-sized subvars.
7716 2006-05-07 Richard Guenther <rguenther@suse.de>
7718 PR tree-optimization/27136
7719 * tree-ssa-loop-niter.c (get_val_for): Correct function
7720 comment, assert requirements.
7721 (loop_niter_by_eval): Stop processing if the iterated
7722 value did not simplify.
7724 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
7726 * opts.c (flag_see): remove its setting at -O3.
7728 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
7730 * genpeep.c (main): Make insn-peep.c depend on flags.h.
7731 * arm/constraints.md: New file.
7732 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7733 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7734 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7735 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7736 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7737 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7738 * arm.md: Include constraints.md.
7739 (thumb_movsi_insn): Use satisfies_constraint_J.
7740 (movhi, movqi): Use satisfies_constraint_I.
7742 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7744 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7745 for atmeg a645 device.
7747 2006-05-06 Richard Guenther <rguenther@suse.de>
7749 PR tree-optimization/27151
7750 * tree-vect-transform.c (vectorizable_condition): Punt on
7751 values that have a different type than the condition.
7753 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7756 * c-parser.c (c_parser_cast_expression): Only insert casts into
7757 hash table if pointer.
7758 * function.c (used_types_insert_helper): Rename from
7760 (used_types_insert): Call used_types_insert_helper.
7761 * function.h (used_types_insert): Accept only one argument.
7763 2006-05-05 David Edelsohn <edesohn@gnu.org>
7765 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7766 scratch with output modifier.
7768 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7771 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7772 with output modifier.
7774 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7777 * config/mips/mips.c (mips_symbolic_address_p): Return true
7778 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7779 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7781 2006-05-04 Richard Guenther <rguenther@suse.de>
7783 PR tree-optimization/14287
7784 PR tree-optimization/14844
7785 PR tree-optimization/19792
7786 PR tree-optimization/21608
7787 PR tree-optimization/27090
7788 * tree-ssa-pre.c (try_combine_conversion): New function.
7789 (compute_avail): After constructing the value-handle
7790 expression, use try_combine_conversion to combine NOP_EXPRs
7791 with previous value-handle expressions and use the result if it
7794 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7796 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7798 2006-05-04 Jan Hubicka <jh@suse.cz>
7801 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7803 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7805 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7806 that this only matches CONST_INTs. All users changed to VOIDmode
7809 * config/bfin/bfin.c: Include "optabs.h".
7810 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7812 (enum bfin_builtins): Add a number of fractional and vector builtins.
7813 (bfin_init_builtins): Likewise.
7814 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7815 (safe_vector_operand, bfin_expand_binop_builtin,
7816 bfin_expand_unop_builtin): New functions.
7817 (bfin_expand_builtin): Handle the new builtins.
7818 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7821 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7824 * Makefile.in (OBJS-common): Add see.o.
7825 (see.o): Add dependencies.
7826 * common.opt (fsee): New flag for the see optimization was added.
7827 * opts.c (flag_see): Initialized.
7828 * passes.c (init_optimization_passes, pass_see): New pass.
7829 * rtl.h (see_main): Declaration as extern.
7830 * timevar.def (TV_SEE): New.
7831 * tree-pass.h (pass_see): Declaration as extern.
7832 * invoke.texi (-fsee): Document.
7833 * recog.c (validate_simplify_insn): New function.
7834 * recog.h (validate_simplify_insn): Declaration as extern.
7835 * df-problems.c (df_chain_dump): Check for NULL.
7837 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7838 Daniel Berlin <dberlin@dberlin.org>
7840 * cfgrtl.c (insert_insn_bb_end_new): New function.
7841 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7843 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7845 * df.h (struct web_entry): Moved from web.c.
7846 (union_defs): Declaration as extern.
7847 (unionfind_root): Likewise.
7848 (unionfind_union): Likewise.
7849 * web.c (struct web_entry): Moved to df.h.
7850 (unionfind_root): Remove static declaration.
7851 (unionfind_union): Likewise.
7852 (union_defs): Likewise and generalize to use callback function.
7853 (web_main): Update arguments for union_defs function call.
7855 2006-05-04 Richard Guenther <rguenther@suse.de>
7857 PR tree-optimization/26447
7858 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7859 produce SSA_NAME copies before the store stmt to avoid
7860 breaking exception handling.
7862 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7865 * gimplify.c (omp_is_private): If var is shared in some outer context,
7866 return false instead of true. Stop searching on parallel context
7869 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7872 * coverage.c: Use get_gcov_unsigned_t() instead of
7873 unsigned_type_node all over.
7875 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7877 PR tree-optimization/27381
7878 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7879 maintain the same immediate_use links.
7880 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7881 node rather than segfaulting.
7883 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7886 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7887 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7888 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7890 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7892 Fix PR tree-optimization/26626
7893 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7895 * tree-ssa-operands.c (access_can_touch_variable): Allow
7896 typecasting through union pointers.
7898 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7901 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7902 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7903 to find if var will be a global variable even in the nested context.
7904 (omp_copy_decl): Only check for global variable at the end, it might
7905 be overridden in outer contexts.
7906 (scan_sharing_clauses): For global variables don't create a field.
7907 (lower_rec_input_clauses): Do nothing for global shared variables.
7908 Emit a barrier at the end of ILIST if there were any decls in both
7909 firstprivate and lastprivate clauses.
7910 (lower_send_clauses): Do nothing for global variables except for
7913 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7915 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7916 of the correct signedness is returned.
7918 2006-05-02 Jeff Law <law@redhat.com>
7920 PR tree-optimization/27364
7921 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7922 multiply expressions.
7924 2006-05-02 Tom Tromey <tromey@redhat.com>
7926 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7928 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7931 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7932 -mthumb -fPIC are used.
7934 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7935 Joshua Kinard <kumba@gentoo.org>
7938 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7939 with 64-bit pointers.
7941 2006-05-02 Paul Brook <paul@codesourcery.com>
7943 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7945 (create_fix_barrier): Check that a suitable barrier location is
7947 (arm_reorg): Include ftmp->address in allowable range of addresses.
7949 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7952 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7955 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7958 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7959 around RESULT_DECL for result passed by reference.
7960 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7961 * omp-low.c (use_pointer_for_field): Don't look at
7962 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7963 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7964 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7965 time or var for passing by reference for
7966 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7967 TREE_ADDRESSABLE variables when passing by reference.
7969 * omp-low.c (dump_omp_region): Fix output formatting.
7972 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7973 (expand_omp_parallel): Likewise.
7974 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7977 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7978 on statement list containing also constructors and destructors.
7979 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7982 * except.c (duplicate_eh_regions): Fix clearing of
7983 cfun->eh->region_array entries.
7985 2006-05-01 DJ Delorie <dj@redhat.com>
7987 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7989 (gcc_cv_objdump): Likewise.
7990 * configure: Regenerated.
7992 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7995 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7996 templates for case 3 and 4.
7998 2006-05-01 DJ Delorie <dj@redhat.com>
8000 * vec.c: Include bconfig.h when appropriate.
8001 * Makefile.in (build/vec.o): Adjust dependencies.
8002 * mkconfig.sh: Make sure config.h isn't used for build machine
8005 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8007 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
8009 (mark_phi_for_rewrite): New function.
8010 (insert_phi_nodes_for, mark_use_interesting): Call
8011 mark_phi_for_rewrite.
8012 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
8013 (update_ssa): Initialize and free phis_to_rewrite.
8015 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8017 PR rtl-optimization/27291
8018 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
8019 folded to a constant.
8021 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8023 PR tree-optimization/27283
8024 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
8025 not whole # of iteration descriptions.
8026 (niter_for_exit): Return just # of iterations. Fail if # of iterations
8027 uses abnormal ssa name.
8028 (niter_for_single_dom_exit): Ditto.
8029 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
8030 return just the number of iterations.
8032 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8034 PR tree-optimization/27144
8035 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
8036 (record_estimate): Only record constant upper bound.
8037 (infer_loop_bounds_from_undefined): Call
8038 compute_estimated_nb_iterations just once.
8039 (proved_non_wrapping_p): Renamed to ...
8040 (n_of_executions_at_most): ... this. Expect bound to be a constant.
8041 (convert_step_widening, scev_probably_wraps_p): Call
8042 n_of_executions_at_most instead of proved_non_wrapping_p.
8043 (substitute_in_loop_info): Do not replace values in bounds.
8044 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
8047 2006-05-01 Richard Henderson <rth@redhat.com>
8050 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
8051 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
8054 2006-05-01 Roger Sayle <roger@eyesopen.com>
8056 * c-typeck.c (parser_build_binary_op): Don't call the function
8057 unsigned_conversion_warning to spot operand/result type overflow.
8058 (build_binary_op): Instead, call convert_and_check instead of
8059 convert to report the problem when the operands are promoted.
8060 * c-common.c (unsigned_conversion_warning): Make static.
8061 * c-common.h (unsigned_conversion_warning): Delete prototype.
8063 2006-05-01 Richard Guenther <rguenther@suse.de>
8065 PR tree-optimization/26726
8066 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
8068 (find_interesting_uses_address): ... we work around here
8069 by folding INDIRECT_REFs in the substituted base.
8071 2006-05-01 Diego Novillo <dnovillo@redhat.com>
8073 * omp-low.c (dump_omp_region): Add newlines.
8075 2006-04-30 Roger Sayle <roger@eyesopen.com>
8077 * common.opt (Woverflow): New command line option.
8078 * c-common.c (constant_expression_warning): Check warn_overflow.
8079 (overflow_waring): Pass OPT_Woverflow to warning.
8080 (unsigned_conversion_warning): Likewise.
8081 (convert_and_check): Likewise.
8082 * doc/invoke.texi: Document new command line option.
8084 2006-04-30 David Edelsohn <edelsohn@gnu.org>
8086 * config/rs6000/rs6000.c (rs6000_override_options): Enable
8087 TARGET_NO_FP_IN_TOC for section anchors.
8088 (optimization_options): Enable section anchors for all
8089 non-"Objective" languages.
8091 2006-04-28 Eric Christopher <echristo@apple.com>
8093 * config/darwin-c.c (darwin_ms_struct): Move this
8094 (darwin_set_default_type_attributes): and this...
8095 * config/darwin.c: ... here.
8096 * config/darwin.h (darwin_ms_struct): Declare.
8098 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
8100 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
8102 2006-04-28 Roger Sayle <roger@eyesopen.com>
8105 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
8106 (push_array_bounds): Delete prototype. Change BOUNDS argument to
8107 an unsigned HOST_WIDE_INT.
8108 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
8110 (really_start_incremental_init): No need to call convert because
8111 bitsize_zero_node is already of type bitsizetype.
8112 (push_init_level): Extract the value of constructor_index as an
8113 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
8114 (process_init_element): Likewise.
8116 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
8118 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
8119 value before passing to make_relative_prefix.
8121 2006-04-28 Alan Modra <amodra@bigpond.net.au>
8124 * builtins.c (expand_builtin_memset): Expand val in original mode.
8126 2006-04-27 Eric Christopher <echristo@apple.com>
8128 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
8129 with #ifndef/#endif.
8130 * config/darwin-c.c (darwin_ms_struct): New.
8131 (darwin_pragma_ms_struct): Ditto.
8132 (darwin_set_default_type_attributes): Ditto.
8133 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
8134 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
8135 Register ms_struct pragma.
8136 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
8137 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
8138 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
8139 darwin_set_default_type_attributes if TARGET_MACHO.
8141 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
8143 PR tree-optimization/26854
8144 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
8145 * doc/tree-ssa.texi: Update immuse iterator documentation.
8146 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
8147 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
8148 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
8149 first_safe_imm_use, next_safe_imm_use): Remove.
8150 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
8151 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
8152 (move_use_after_head): New. Helper function to sort immuses in a stmt.
8153 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
8154 (first_imm_use_stmt): New. Get first stmt in an immuse list.
8155 (next_imm_use_stmt): New. Get next stmt in an immuse list.
8156 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
8157 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
8158 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
8159 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
8160 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
8161 (perfect_nestify): Use new iterator.
8162 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
8164 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
8165 (next_imm_name): New field in struct immediate_use_iterator_d.
8166 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
8167 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
8168 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
8169 * tree-cfg.c (replace_uses_by): Use new iterator.
8170 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
8171 * tree-ssa-operands.c (correct_use_link): Remove.
8172 (finalize_ssa_use_ops): No longer call correct_use_link.
8174 2006-04-27 Stuart Hastings <stuart@apple.com>
8176 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
8177 * config/t-darwin (crt3.o): Use it.
8178 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
8179 'pmode', use Pmode instead of SImode for SYMBOL_REF.
8180 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
8181 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
8182 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
8185 2006-04-27 Roger Sayle <roger@eyesopen.com>
8187 * expmed.c (store_fixed_bit_field): If we're not optimizing for
8188 size, force the intermediate into a new pseudo rather instead of
8189 performing both a bitwise AND and a bitwise IOR in memory.
8191 2006-04-27 Richard Guenther <rguenther@suse.de>
8193 PR rtl-optimization/26685
8194 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
8195 this one "max-flow-memory-locations".
8197 2006-04-27 Richard Guenther <rguenther@suse.de>
8199 PR tree-optimization/25148
8200 * tree-vrp.c (compare_values): Remove code dealing with
8201 comparisons against type min/max value. Honour overflow
8202 and negative constants in code dealing with comparisons
8203 of plus and minus expressions.
8204 (value_inside_range): Use fold_binary with LE_EXPR and
8205 GE_EXPR rather than compare_values.
8207 2006-04-27 Dirk Mueller <dmueller@suse.de>
8209 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
8212 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
8214 * basic-block.h (safe_insert_insn_on_edge): Removed.
8215 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
8217 2006-04-26 David Edelsohn <edelsohn@gnu.org>
8218 Paolo Bonzini <bonzini@gnu.org>
8221 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
8222 (simplify_and_const_int): Same.
8224 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
8226 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
8228 2006-04-26 Jakub Jelinek <jakub@redhat.com>
8231 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
8232 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
8233 cgraph_global_info_ready.
8236 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
8239 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
8240 either decl or init is error_mark_node.
8243 * tree-flow.h (struct omp_region): Add sched_kind.
8244 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
8245 instead of extracting omp for data.
8246 (expand_omp_for): Save extracted sched_kind.
8248 2006-04-25 Roger Sayle <roger@eyesopen.com>
8250 * expmed.c (store_bit_field): Also check whether the bitsize is
8251 valid for the machine's "insv" instruction before moving the
8252 target into a pseudo for use with the insv.
8253 * config/i386/predicates.md (const8_operand): New predicate.
8254 * config/i386/i386.md (extv, extzv, insv): Use the new
8255 const8_operand predicate where appropriate.
8257 2006-04-25 DJ Delorie <dj@redhat.com>
8259 * doc/install.texi (Specific): Clarify that this is not a list of
8260 supported hosts or targets.
8262 2006-04-25 Richard Sandiford <richard@codesourcery.com>
8264 PR rtl-optimization/26725
8265 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
8266 block's BB_DIRTY flag.
8268 2006-04-25 Geoffrey Keating <geoffk@apple.com>
8270 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
8273 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
8274 to print an integer.
8276 2006-04-25 David Edelsohn <edelsohn@gnu.org>
8278 * varasm.c (align_variable): New function.
8279 (get_block_for_decl): Apply align_variable to DECL before
8280 calculating section information.
8281 (assemble_variable): Split out alignment computation.
8283 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
8285 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
8288 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
8290 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
8291 MODE_PARTIAL_INT mode.
8292 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
8293 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
8295 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
8296 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
8298 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
8300 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
8302 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
8303 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
8304 MACFLAG_IH): Likewise.
8305 (movstricthi_1): Renamed from "*movstricthi".
8306 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
8307 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
8308 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
8309 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
8310 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
8311 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
8312 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
8313 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
8314 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
8315 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
8316 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
8317 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
8318 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
8319 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
8320 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
8322 * doc/rtl.texi (ss_ashift): Improve wording.
8324 2006-04-24 Geoffrey Keating <geoffk@apple.com>
8326 * dwarf2out.c (verify_marks_clear): New.
8327 (prune_unused_types): Call verify_marks_clear initially, not
8330 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
8332 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
8333 * doc/rtl.texi: Document them.
8334 * simplify-rtx.c (simplify_unary_operation,
8335 simplify_binary_operation_1): Don't abort when we see them.
8337 2006-04-24 Mark Mitchell <mark@codesourcery.com>
8340 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8341 * configure.ac: Completely disregard languages that are not
8343 * configure: Regenerated.
8345 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8346 Richard Guenther <rguenther@suse.de>
8348 PR tree-optimization/27236
8349 * tree-inline.c (copy_body_r): Make sure to copy
8350 TREE_THIS_VOLATILE flag.
8352 2006-04-24 Richard Guenther <rguenther@suse.de>
8355 * tree-complex.c (update_parameter_components): Don't handle
8356 unused parameters which have no default def.
8358 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8359 Richard Guenther <rguenther@suse.de>
8361 PR tree-optimization/27218
8362 * tree-inline.c (expand_call_inline): Strip useless type
8363 conversions for the return slot address.
8365 2006-04-24 Richard Guenther <rguenther@suse.de>
8367 * cfgloop.h (struct loops): Remove unused field array. Reorder
8369 (LOOP_PREFETCH): Remove.
8371 2006-04-24 Richard Guenther <rguenther@suse.de>
8373 PR tree-optimization/22525
8374 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
8375 variable, adjust types of generated expressions.
8377 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
8379 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
8380 (tree-vect-patterns.o): Likewise.
8382 (cselib.o): Likewise.
8383 (loop-doloop.o): Likewise.
8384 (regclass.o): Likewise.
8385 (reload1.o): Likewise.
8386 (explow.o): Replace target.h with $(TARGET_H).
8387 (ipa-prop.o): Likewise.
8388 (ipa-cp.o): Likewise.
8389 (ipa-inline.o): Likewise.
8390 (reorg.o): Likewise.
8391 (reg-stack.o): Likewise.
8393 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8395 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
8397 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8399 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
8401 * configure.ac: Completely disregard languages that are not
8403 * configure: Regenerated.
8406 * c-common.h (c_build_bitfield_integer_type): Declare.
8407 * c-decl.c (c_build_bitfield_integer_type): Move to ...
8408 * c-common.c (c_build_bitfield_integer_type): ... here.
8410 2006-04-23 Roger Sayle <roger@eyesopen.com>
8413 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
8414 a SImode SUBREG of a floating point register after no_new_pseudos.
8416 2006-04-23 Roger Sayle <roger@eyesopen.com>
8418 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
8419 identify potentially eliminable registers to additionally catch
8420 VIRTUAL_INCOMING_ARGS_REGNUM.
8421 (addsi3): Update the conditions on when to use addsi_small_int.
8423 2006-04-23 Roger Sayle <roger@eyesopen.com>
8426 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
8427 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
8428 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
8430 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8432 * fold-const.c (range_predecessor): Use operand_equal_p
8433 as the predicate for equality.
8434 (range_successor): Likewise.
8436 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8439 * config/soft-fp/op-common.h: Fix a typo.
8441 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
8444 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
8445 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
8447 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8449 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
8451 * doc/tm.texi: Fix a typo.
8453 2006-04-21 Geoffrey Keating <geoffk@apple.com>
8455 * dwarf2out.c (struct die_struct): Document that die_sib makes
8456 a circular linked list.
8457 (FOR_EACH_CHILD): New.
8458 (reverse_die_lists): Delete.
8459 (reverse_all_dies): Delete.
8460 (add_dwarf_attr): Correct documentation.
8461 (remove_child_with_prev): New.
8462 (remove_child_TAG): Update for change to die_struct, use
8463 remove_child_with_prev.
8464 (add_child_die): Update for change to die_struct.
8465 (splice_child_die): Use remove_child_with_prev and add_child_die.
8466 (print_die): Use FOR_EACH_CHILD.
8467 (die_checksum): Likewise.
8468 (assign_symbol_names): Likewise.
8469 (output_location_lists): Likewise.
8470 (build_abbrev_table): Likewise.
8471 (calc_die_sizes): Likewise.
8472 (mark_dies): Likewise.
8473 (unmark_dies): Likewise.
8474 (unmark_all_dies): Likewise.
8475 (output_die): Likewise.
8476 (prune_unused_types_mark): Likewise.
8477 (prune_unused_types_walk): Likewise.
8478 (same_die_p): Update for change to die_struct.
8479 (break_out_includes): Likewise.
8480 (prune_unused_types_prune): Likewise.
8481 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
8482 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
8484 (dwarf2out_finish): Don't call reverse_all_dies.
8486 2006-04-21 Eric Christopher <echristo@apple.com>
8488 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
8489 in comments and function names.
8491 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8494 * c-typeck.c (digest_init): Robustify.
8496 * c-typeck.c (pop_init_level): Simplify.
8498 2006-04-21 Steve Ellcey <sje@cup.hp.com>
8500 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
8502 2006-04-21 Paul Brook <paul@codesourcery.com>
8504 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
8505 hardware floating point.
8507 2006-04-21 David Edelsohn <edelsohn@gnu.org>
8509 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
8512 2006-04-21 Nick Clifton <nickc@redhat.com>
8514 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
8517 2006-04-21 Alan Modra <amodra@bigpond.net.au>
8520 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
8521 C++ lang type in traceback table for Objective-C++.
8523 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
8525 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
8527 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
8529 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8532 * tree-mudflap.c (mudflap_finish_file): Skip function when there
8533 were errors. Remove check for erroneous objects.
8535 2006-04-20 Jeff Law <law@redhat.com>
8537 PR tree-optimization/26854
8538 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
8539 checking for zero or one use.
8540 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
8541 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
8542 * tree-ssa-reassoc.c (negate_value): Similarly.
8543 (reassociate_bb): Similarly.
8545 2006-04-20 Jakub Jelinek <jakub@redhat.com>
8547 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
8548 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
8549 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
8551 2006-04-20 Alan Modra <amodra@bigpond.net.au>
8553 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
8554 fp regs if the last fp arg doesn't fit in regs.
8556 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
8559 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
8560 that the last insn has the REG_INC note.
8562 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
8563 Nathan Sidwell <nathan@codesourcery.com>
8566 * stor-layout.c (update_alignment_for_field): Do not align
8568 (place_union_field): Place union field at the start of the union.
8569 (place_field): Move ERROR_MARK check later, and use the current
8570 allocation position to maintain monotonicity.
8572 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
8574 * dominance.c: Include timevar.h.
8575 (calculate_dominance_info): Use TV_DOMINANCE.
8576 * timevar.def (TV_DOMINANCE): New timevar.
8577 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
8579 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8581 PR rtl-optimization/14261
8582 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
8583 move would be an INSV insn.
8584 (noce_process_if_block): Don't optimize if the destination is a
8585 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
8587 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8589 * config/s390/s390.md: Add comments with the instructions emitted
8590 by an insn pattern if macros are used.
8592 2006-04-19 Alan Modra <amodra@bigpond.net.au>
8594 PR rtl-optimization/26026
8595 * fold-const.c (fold_binary): Optimize div and mod where the divisor
8596 is a known power of two shifted left a variable amount.
8598 2006-04-18 Geoffrey Keating <geoffk@apple.com>
8600 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
8601 to hash table twice when the debug_str section has SECTION_MERGE.
8603 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
8605 * config/soft-fp: New directory. From glibc.
8606 * config/soft-fp/t-softfp: New.
8607 * config/soft-fp/README: New.
8608 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
8609 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
8610 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
8611 (LIBGCC_DEPS): Add $(SFP_MACHINE).
8612 * config.gcc: Use rs6000/t-fprules-fpbit or
8613 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
8615 * config/rs6000/sfp-machine.h: New. Based on glibc.
8616 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
8618 * config/rs6000/t-fprules: Remove fp-bit rules.
8619 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
8620 * config/rs6000/t-linux64: Likewise. Remove duplicates from
8621 LIB2FUNCS_EXTRA. Remove fp-bit rules.
8622 (softfp_wrap_start, softfp_wrap_end): New.
8624 2006-04-18 DJ Delorie <dj@redhat.com>
8626 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
8628 2006-04-18 Devang Patel <dpatel@apple.com>
8630 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
8632 2006-04-18 Nick Clifton <nickc@redhat.com>
8634 * config/sh/t-symbian: Add rule to build sh-c.o
8635 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
8636 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
8637 (sh_symbian_encode_section_info): Likewise.
8639 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
8641 * builtins.c (expand_builtin_strcmp): Cover label definition of
8642 do_libcall with HAVE_cmpstrnsi.
8644 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
8646 * function.c (temp_slots_at_level, max_slot_level): Use VEC
8648 * function.h (temp_slot_p): New.
8649 (function): Change the type of x_used_temp_slots to
8650 VEC(temp_slot_p,gc) *.
8652 2006-04-18 Nick Clifton <nickc@redhat.com>
8654 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
8655 flag_strength_reduce.
8657 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
8659 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8663 Partial revert of revision 112637
8664 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8665 Dale Johannesen <dalej@apple.com>
8668 * regclass.c (struct reg_pref): Update documentation.
8669 (regclass): Set prefclass to NO_REGS if memory is the best option.
8670 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8672 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8674 PR tree-optimization/26821
8675 * tree-ssa-math-opts.c (get_constant_one): New.
8676 (insert_reciprocals): Use it.
8678 2006-04-17 Geoffrey Keating <geoffk@apple.com>
8680 * dwarf2out.c (free_AT): Delete.
8681 (remove_AT): Update string ref counts.
8682 (remove_child_TAG): Don't call free_die.
8684 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8685 or DW_TAG_GNU_EINCL.
8686 (prune_unused_types_walk_attribs): Reset string refcounts.
8687 (prune_unused_types_update_strings): New.
8688 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8689 call free_die. Do call prune_unused_types_update_strings.
8690 (prune_unused_types): Empty debug_str_hash.
8692 2006-04-17 Roger Sayle <roger@eyesopen.com>
8694 * expr.c (expand_assignment): Optimize away no-op moves where the
8695 source and destination are equal and have no side-effects.
8697 2006-04-17 Richard Guenther <rguenther@suse.de>
8700 * reload.c (push_reload): Guard calls to get_secondary_mem
8703 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
8705 * alias.c (reg_base_value, old_reg_base_value): Change the
8706 type to VEC(rtx,gc) *.
8707 (REG_BASE_VALUE, find_base_value, record_set,
8708 init_alias_analysis): Use VEC instead of VARRAY.
8710 * alias.c (alias_sets): Change the type to
8711 VEC(alias_set_entry,gc) *.
8712 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8713 VEC instead of VARRAY.
8714 (last_alias_set): Remove.
8716 * cgraph.h (cgraph_edge_p): New.
8717 Update the prototype of cgraph_function_versioning.
8718 * cgraphunit.c (cgraph_copy_node_for_versioning,
8719 cgraph_function_versioning): Use VEC instead of VARRAY.
8720 * ipa-cp.c (ipcp_insert_stage): Likewise.
8722 2006-04-16 Roger Sayle <roger@eyesopen.com>
8725 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8726 "A op B" or "A op C", we may need to convert A to the type of B and C.
8728 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
8730 * target.h (struct gcc_target): Add mode_rep_extended.
8731 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8732 (init_num_sign_bit_copies_in_rep): Initialize it using
8734 (truncate_to_mode): Use it.
8735 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8736 * targhooks.h (default_mode_rep_extended): Declare it.
8737 * targhooks.c (default_mode_rep_extended): Define it.
8738 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8739 default_mode_rep_extended.
8740 (TARGET_INITIALIZER): Include it.
8741 * doc/tm.texi (Misc): Document it.
8742 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8743 (mips_truncated_to_mode): New function.
8745 2006-04-16 Roger Sayle <roger@eyesopen.com>
8748 * expr.c (compress_float_constant): Copy the narrow constant into
8749 a new pseudo before extending it to its final width.
8751 2006-04-16 Roger Sayle <roger@eyesopen.com>
8752 Andrew Pinski <pinskia@gcc.gnu.org>
8753 Dale Johannesen <dalej@apple.com>
8756 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8757 special case code to implement V8HImode and V16QImode with SSE2.
8759 2006-04-15 Roger Sayle <roger@eyesopen.com>
8761 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8762 trees are constructed with a suitable tree type.
8764 2006-04-15 Roger Sayle <roger@eyesopen.com>
8766 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8767 (integer_onep): Likewise.
8768 (integer_all_onesp): Likewise.
8769 (integer_pow2p): Likewise.
8770 (integer_nonzerop): Likewise.
8771 (real_zerop): Likewise.
8772 (real_onep): Likewise.
8773 (real_twop): Likewise.
8774 (real_minus_onep): Likewise.
8775 (int_size_in_bytes): Likewise.
8776 (host_integerp): Likewise.
8778 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8780 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8781 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8782 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8784 * tree-ssa-structalias.h (alias_info): Remove num_references.
8786 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8788 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8789 (output_bvb patterns): Likewise.
8790 * pa.c (output_bb): Use 'bb' insn for long branch case.
8791 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8792 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8793 1. Correct length operand for alternatives 1 and 2.
8794 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8795 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8797 2006-04-14 Roger Sayle <roger@eyesopen.com>
8799 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8800 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8801 were accidentally reverted by r112959.
8803 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8806 * except.h (eh_region_outermost): New prototype.
8807 * except.c (eh_region_outermost): New function.
8808 * tree-cfg.c (find_outermost_region_in_block): Use it.
8810 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8812 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8814 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8815 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8816 (init_reload, reload): Use VEC instead of VARRAY.
8817 * reload.h: Update the prototype for
8818 reg_equiv_memory_loc_varray.
8820 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8821 Eric Botcazou <ebotcazou@libertysurf.fr>
8823 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8826 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8829 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8830 to expand fallback builtin function call.
8832 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8835 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8836 and emit libcall here in case the builtin fails.
8837 (expand_builtin_strcmp): Always emit the libcall here on failure.
8839 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8841 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8842 * flow.c (reg_n_info): Change the type to
8843 VEC(reg_info_p,heap) *.
8844 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8846 * regs.h (reg_info_p): New.
8847 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8848 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8849 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8852 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8854 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8856 * params.h (MAX_SCHED_READY_INSNS): New macro.
8857 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8858 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8859 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8860 the ready list for 1 cycle during the first scheduling pass.
8861 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8863 2006-04-13 Richard Henderson <rth@redhat.com>
8866 * gimple-low.c (lower_omp_directive): Remove dead code.
8867 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8868 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8869 * omp-low.c (struct omp_region): Move to tree-flow.h.
8870 (root_omp_region): Export.
8871 (omp_regions, lookup_omp_region): Remove.
8872 (determine_parallel_type): Update for struct omp_region changes.
8873 (dump_omp_region): Dump regions with block numbers.
8874 (new_omp_region): Take type and block instead of stmt; malloc
8876 (free_omp_region_1, free_omp_regions): New.
8877 (expand_parallel_call): Take entry_stmt as argument; update for
8878 changes to omp_region.
8879 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8880 (remove_exit_barriers): New.
8881 (expand_omp_parallel): Update for struct omp_region changes.
8882 (expand_omp_synch): Likewise.
8883 (expand_omp): Likewise.
8884 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8885 (expand_omp_for_static_chunk): Likewise.
8886 (expand_omp_for): Likewise.
8887 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8888 (expand_omp_sections): Similarly, with GOMP_sections_end.
8889 (expand_omp_single): New.
8890 (build_omp_regions_1): Update for OMP_CONTINUE.
8891 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8892 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8893 OMP_SECTIONS_SECTIONS.
8894 (lower_omp_single_simple): Don't emit barrier here.
8895 (lower_omp_single_copy): Likewise.
8896 (lower_omp_single): Fix bindings, and lower to straightline now.
8897 (lower_omp_master, lower_omp_ordered): Likewise.
8898 (lower_omp_critical): Likewise.
8899 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8900 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8901 omp edges, free it afterward.
8902 (make_omp_sections_edges): Remove.
8903 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8904 (move_stmt_r): Handle OMP_CONTINUE.
8905 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8906 statement pointers to basic blocks. Add type member.
8907 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8908 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8909 * tree-inline.c (estimate_num_insns_1): Likewise.
8910 * tree-pretty-print.c (dump_generic_node): Likewise.
8911 * tree-ssa-operands.c (get_expr_operands): Likewise.
8912 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8913 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8914 (OMP_CONTINUE): New.
8915 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8916 (OMP_SECTIONS_SECTIONS): Remove.
8917 (OMP_SECTION_LAST): New.
8918 (OMP_RETURN_NOWAIT): New.
8920 2006-04-13 Roger Sayle <roger@eyesopen.com>
8922 * fold-const.c (native_encode_vector, native_interpret_real):
8923 Correct obvious mistakes in the previous check-in.
8925 2006-04-13 Roger Sayle <roger@eyesopen.com>
8927 * fold-const.c (native_encode_expr): New function to encode
8928 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8929 or VECTOR_CST into a specified buffer.
8930 (native_encode_int): New function.
8931 (native_encode_real): New function.
8932 (native_encode_complex): New function.
8933 (native_encode_vector): New function.
8934 (native_interpret_expr): Inverse of native_encode_expr to convert
8935 a target representation into an INTEGER_CST, REAL_CST etc...
8936 (native_interpret_int): New function.
8937 (native_interpret_real): New function.
8938 (native_interpret_complex): New function.
8939 (native_interpret_vector): New function.
8940 (fold_view_convert_expr): New function to constant fold/evaluate
8941 a VIEW_CONVERT_EXPR of a suitable constant expression.
8942 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8943 Change call of build1 to fold_build1 when constructing a
8946 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8947 Ulrich Weigand <uweigand@de.ibm.com>
8950 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8953 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8956 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8957 optimize to lo_sum for DFmode if !TARGET_FPRS.
8959 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8961 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8962 delete_alias_info, compute_flow_sensitive_aliasing,
8963 group_aliases): Use VEC instead of VARRAY.
8964 * tree-ssa-structalias.c (update_alias_info): Likewise.
8965 * tree-ssa-structalias.h (alias_info): Change the type of
8966 processed_ptrs to VEC(tree,heap) *.
8968 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8971 * config/sh/lib1funcs.h: New file, broken out of:
8972 * config/sh/lib1funcs.asm.
8973 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8975 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8976 * config/sh/lib1funcs-Os-4-200.asm: New file.
8977 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8978 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8979 (EXTRA_MULTILIB_PARTS): Include it.
8980 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8981 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8982 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8983 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8986 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8988 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8989 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8990 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8992 * tree-ssa-live.h: Include vecprim.h.
8993 (tree_partition_associator_d): Change the type of
8994 first_partition to VEC(int,heap) *.
8995 (tpa_first_partition): Use VEC instead of VARRAY.
8997 * Makefile.in (GTFILES): Move functions.h after tree.h.
8998 * function.c (reset_block_changes, record_block_change,
8999 check_block_change, free_block_changes): Use VEC instead of
9001 * function.h (function): Change the type of
9002 ib_boundaries_block to VEC(tree,gc) *.
9003 * tree-inline.c (copy_cfg_body): Initialize
9004 ib_boundaries_block to NULL instead of (varray_type) 0.
9006 2006-04-12 Roger Sayle <roger@eyesopen.com>
9008 * expr.c (emit_group_store): Correct operand order in call to
9009 subreg_lowpart_offset. Always create paradoxical SUBREGs with
9010 a SUBREG_BYTE of zero.
9012 2006-04-12 Richard Guenther <rguenther@suse.de>
9014 * profile.c (compute_branch_probabilities): Remove code
9015 encapsulated in !ir_type (), which are remanents of the
9016 removed RTL profiling code.
9017 * rtl-profile.c: Remove.
9019 2006-04-12 Alan Modra <amodra@bigpond.net.au>
9021 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
9022 magic NULL_RTX comment.
9023 (function_arg): Store entire fp arg to mem if any part should go
9025 (rs6000_arg_partial_bytes): Adjust for above change.
9027 2006-04-11 Roger Sayle <roger@eyesopen.com>
9029 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
9030 if it hasn't been initialized by dwarf2out_init.
9032 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
9034 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
9035 symbolic constants in branch patterns.
9037 2006-04-11 Roger Sayle <roger@eyesopen.com>
9039 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
9041 2006-04-11 Richard Sandiford <richard@codesourcery.com>
9043 PR rtl-optimization/27073
9044 * gcse.c (try_replace_reg): Revert last change. Continue to search
9045 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
9048 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9050 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
9051 aggregate types other than record and union types.
9052 (function_arg): Likewise.
9053 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
9055 (function_value): In 64-bit mode, return objects that require it
9058 2006-04-11 Roger Sayle <roger@eyesopen.com>
9060 * dwarf2out.c (premark_used_types): Remove problematic prototype.
9062 2006-04-11 Jakub Jelinek <jakub@redhat.com>
9064 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
9066 2006-04-03 Jeff Law <law@redhat.com>
9069 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
9070 alias information too.
9072 2006-04-10 Mike Frysinger <vapier@gentoo.org>
9074 * Makefile.in (gcc-cross): Add $(exeext) to target name.
9076 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
9079 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
9080 (premark_used_types_helper): New.
9081 (premark_used_types): New.
9082 (gen_subprogram_die): Call premark_used_types.
9083 (prune_unused_types_walk): Do not prune perennial dies.
9084 * function.c (used_types_insert): New.
9085 * function.h (struct function): Add used_types_hash field.
9086 (used_types_insert): Add prototype.
9087 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
9088 * c-parser.c (c_parser_cast_expression): Save casted types in used
9091 2006-04-11 Mark Mitchell <mark@codesourcery.com>
9094 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
9095 rs6000_explicit_options.float_gprs.
9097 2006-04-10 Roger Sayle <roger@eyesopen.com>
9099 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
9100 from ix86_expand_vector_init_low_nonzero. Take an additional
9101 one_var argument indicating which element is non-zero. Support
9102 one_var != 0 for V4SFmode and V4SImode by permuting the result.
9103 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
9104 with one_var instead of ix86_expand_vector_init_low_nonzero.
9106 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
9108 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
9109 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
9110 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
9111 build/genextract.o): Depend on vecprim.h.
9112 * cfglayout.c, df-problems.c, function.c, genextract.c,
9113 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
9114 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
9118 2006-04-10 Geoffrey Keating <geoffk@apple.com>
9120 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
9121 Declare VECs of this type.
9122 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
9123 (remove_children): Delete.
9124 (add_dwarf_attr): Use VEC routines.
9125 (add_AT_flag): Update for changes to add_dwarf_attr.
9126 (add_AT_int): Likewise.
9127 (add_AT_unsigned): Likewise.
9128 (add_AT_long_long): Likewise.
9129 (add_AT_vec): Likewise.
9130 (add_AT_string): Likewise.
9131 (add_AT_die_ref): Likewise.
9132 (add_AT_fde_ref): Likewise.
9133 (add_AT_loc): Likewise.
9134 (add_AT_loc_list): Likewise.
9135 (add_AT_addr): Likewise.
9136 (add_AT_lbl_id): Likewise.
9137 (add_AT_lineptr): Likewise.
9138 (add_AT_macptr): Likewise.
9139 (add_AT_offset): Likewise.
9140 (add_AT_range_list): Likewise.
9141 (get_AT): Use VEC_iterate.
9142 (remove_AT): Use VEC_ordered_remove.
9143 (free_die): Fold remove_children into here; have it use VEC_iterate.
9144 (print_die): Use VEC_iterate on attrs.
9145 (reverse_die_lists): Don't reverse attr lists.
9146 (die_checksum): Use VEC_iterate on attrs.
9147 (same_die_p): Likewise.
9148 (output_location_lists): Likewise.
9149 (build_abbrev_table): Likewise.
9150 (size_of_die): Likewise.
9151 (unmark_all_dies): Likewise.
9152 (output_abbrev_section): Likewise.
9153 (output_die): Likewise.
9154 (prune_unused_types_walk_attribs): Likewise.
9156 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9158 * doc/install.texi (*-*-solaris2*): Point to the configure page.
9160 2006-04-10 Jakub Jelinek <jakub@redhat.com>
9163 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
9165 2006-04-09 Roger Sayle <roger@eyesopen.com>
9167 * expr.c (store_constructor): Don't bother clearing target if
9168 we're about to assign a vector to it using vec_init_optab.
9170 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
9172 * tree-ssa-alias.c (lhs_may_store_to): New function.
9173 (recalculate_used_alone): Handle LHS of calls.
9175 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9179 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
9180 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
9181 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
9182 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
9183 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
9184 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
9185 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
9186 stubs. Add ".align 8" directives before all ".dword" directives.
9187 (GTHREAD_USE_WEAK): Revise comment.
9188 (TARGET_ATTRIBUTE_WEAK): Define.
9189 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
9190 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
9191 * stublib.c: New file.
9196 * pa.md (cbranch patterns): Revise arguments used in calls to
9197 output_cbranch, output_bb and output_bvd. Add long branch length
9199 (fbranch patterns): Handle long branches.
9200 (jump): Revise length check. Revise arguments for output_lbranch call.
9201 Add long branch length attributes.
9202 (decrement_and_branch_until_zero): Add long branch length attributes.
9203 (output_movb, output_parallel_addb and output_parallel_movb patterns):
9204 Likewise. Revise arguments for output_parallel_addb and
9205 output_parallel_movb calls.
9206 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
9207 output_parallel_movb and output_parallel_addb): Update prototypes.
9208 * pa.c (output_cbranch): Revise arguments. Correct handling of
9209 nullification in long branches.
9210 (output_lbranch): Add new argument to control extraction of delay
9212 (output_bb): Handle long branches.
9213 (output_bvb, output_dbra, output_movb, output_parallel_movb,
9214 output_parallel_addb): Likewise.
9216 2006-04-09 Richard Sandiford <richard@codesourcery.com>
9218 PR rtl-optimization/27073
9219 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
9222 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
9224 * tree.h (tree_memory_tag): Add old_used_alone.
9225 (SMT_OLD_USED_ALONE): New macro.
9226 * tree-ssa-alias.c (recalculate_used_alone): Stop
9227 marking things for renaming unnecessarily.
9229 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
9231 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
9232 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
9233 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
9234 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
9235 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
9236 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
9237 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
9238 spelling convensions.
9239 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
9240 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
9241 typos. Follow spelling conventions.
9243 2006-04-07 DJ Delorie <dj@redhat.com>
9245 * config/m32c/m32c.c (m32c_function_arg): Structures are always
9246 passed on the stack.
9247 (m32c_init_cumulative_args): When a function returns a structure,
9248 always pass the pointer to that return area on the stack.
9249 (m32c_function_arg_advance): Don't increment the parameter number
9250 if we're processing the returned structure pointer.
9251 (pushm_info): Reverse order of registers.
9253 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
9255 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
9256 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9257 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
9258 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
9260 * tree-chrec.c (chrec_fold_multiply_poly_poly,
9261 chrec_fold_multiply): Same.
9262 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
9263 force_expr_to_var_cost): Same.
9264 * tree-mudflap.c (mf_xform_derefs_1): Same.
9265 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
9267 2006-04-07 David Edelsohn <edelsohn@gnu.org>
9269 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
9270 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
9273 2006-04-07 Jan Hubicka <jh@suse.cz>
9275 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
9277 2006-04-07 Richard Guenther <rguenther@suse.de>
9279 PR tree-optimization/26135
9280 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
9281 loads for store copy-prop.
9282 (copy_prop_visit_stmt): Likewise.
9284 2006-04-05 Robert Millan <robertmh@gnu.org>
9286 * config/i386/linux.h: Add a comment to mark macros that are
9287 being overriden in config/k*bsd-gnu.h.
9288 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
9290 * config/knetbsd-gnu.h: Ditto.
9292 2006-04-06 Jan Hubicka <jh@suse.cz>
9296 * coverage.c (coverage_checksum_string): Reorganize loop to not read
9299 2006-04-06 Mike Stump <mrs@apple.com>
9301 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
9302 for HAVE_nonlocal_goto to be consistent.
9303 (expand_builtin_nonlocal_goto): Likewise.
9304 (expand_builtin_strcmp): Use #ifdef instead of #if
9305 for HAVE_cmpstrnsi to be consistent.
9307 2006-04-05 DJ Delorie <dj@redhat.com>
9309 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
9312 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
9314 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
9315 got-relative addressing for anything but SImode.
9317 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
9318 even if the calling function doesn't modify them.
9320 2006-04-05 Richard Guenther <rguenther@suse.de>
9322 PR tree-optimization/26919
9323 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
9324 to cgraph_estimate_size_after_inlining.
9326 2006-04-05 Alan Modra <amodra@bigpond.net.au>
9328 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
9330 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
9332 PR tree-optimization/26996
9333 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
9334 VECTOR_TYPE variables.
9336 2006-04-05 Richard Guenther <rguenther@suse.de>
9338 PR tree-optimization/26763
9339 * fold-const.c (fold_comparison): Move folding of
9340 PTR + CST CMP PTR + CST ...
9341 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
9343 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
9345 * doc/install.texi (Prerequisites): Refine some wording on
9346 bootstrapping and ksh.
9347 Move the version numbers of DejaGnu here from the testing section
9348 and fix casing of names.
9349 Fix markup and clarify wording for autogen requirements.
9350 Refer to GCJ instead of just java.
9351 Refer to SVN instead of CVS.
9352 Describe diffutils as useful instead of necessary.
9353 (Downloading the source): Refer to SVN instead of CVS.
9354 Adjust a link to our web site accordingly.
9355 (Configuration): Fix casing of Bison.
9356 (Building): Refer to SVN instead of CVS.
9357 Fix a sentence on the use of Bison and remove duplicate (and
9358 incorrect) version number of Bison requirement.
9359 Remove one redundant list of packages needed for building.
9360 (Specific): Avoid reference to CVS.
9362 2006-04-04 Eric Christopher <echristo@apple.com>
9364 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
9365 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
9366 (rs6000_handle_struct_attribute): New.
9367 (rs6000_ms_bitfield_layout_p): Ditto.
9369 2006-04-04 Geoffrey Keating <geoffk@apple.com>
9371 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
9372 NULL for dso parameter to atexit_common.
9374 2006-04-04 Eric Christopher <echristo@apple.com>
9376 * config/i386/i386.c (machopic_output_stub): Output \t
9377 between instructions and operands.
9379 2006-04-04 David Edelsohn <edelsohn@gnu.org>
9381 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
9382 satisfies_constraint_[IL] to explicit tests on value.
9384 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
9386 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9387 set_nb_iterations_in_loop): Use build_int_cst instead of
9389 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
9390 build_int_cst instead of convert.
9392 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
9394 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
9395 new value 2 for incoming.
9396 * function.c (expand_function_start): Call struct_value_rtx
9398 * config/sparc/sparc.md: Comment updated_return.
9399 * config/sparc/sparc.opt: Add -mstd-struct-return option.
9400 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
9401 struct return if sparc_std_struct_return and incoming is 2.
9402 (print_operand): Do not adjust return if
9403 sparc_std_struct_return.
9405 2006-04-04 Roger Sayle <roger@eyesopen.com>
9407 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
9408 convert in the middle-end.
9409 * expr.c (store_expr, store_constructor, get_inner_reference,
9410 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
9412 * tree.c (build_range_type): Likewise.
9414 2006-04-04 Tom Tromey <tromey@redhat.com>
9416 * doc/install.texi (Prerequisites): Mention jar.
9418 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
9420 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
9423 2006-04-04 Matthias Klose <doko@debian.org>
9425 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
9429 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
9432 2006-04-03 Geoffrey Keating <geoffk@apple.com>
9434 * doc/extend.texi (Function Attributes): Rewrite visibility
9435 attribute documentation.
9436 * doc/invoke.texi (C++ Dialect Options): Rewrite
9437 -fvisibility-inlines-hidden documentation to describe something
9438 entirely different, although in practise compatible.
9439 (Code Gen Options): Warn about system headers in -fvisibility=
9442 * doc/extend.texi (Other Builtins): Document that
9443 __builtin_nan is a compile-time constant only when its argument
9446 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
9448 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
9449 trying to remove TRUNCATE check if all bits outside the new mode
9450 are identical to the sign bit.
9452 2006-04-03 Jeff Law <law@redhat.com>
9454 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
9455 and operand scanning in some common cases.
9457 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9458 Dale Johannesen <dalej@apple.com>
9461 * regclass.c (struct reg_pref): Update documentation.
9462 (regclass): Set prefclass to NO_REGS if memory is the best option.
9463 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9464 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
9465 into account. For non-registers, equate an empty preferred
9466 reload class to a `!' in the constraint; move the if clause to
9467 do so after those that reject the insn.
9468 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
9470 (find_dummy_reload): Likewise.
9471 * doc/tm.texi (Register Classes): Document what it means
9472 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
9473 * config/i386/i386.c (ix86_preferred_reload_class): Force
9474 using SSE registers (and return NO_REGS for floating-point
9475 constants) if math is done with SSE.
9476 (ix86_preferred_output_reload_class): New.
9477 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
9478 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
9479 * config/i386/i386.md: Remove # register preferences.
9481 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9484 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9485 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
9486 the type of nb_iter.
9487 (instantiate_parameters_1): Convert the operands before calling
9488 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
9489 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
9491 2006-04-02 Roger Sayle <roger@eyesopen.com>
9493 * builtins.c (dummy_object): Use build_int_cst instead of convert.
9494 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
9496 * dojump.c (do_jump): Likewise.
9497 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
9498 * gimplify.c (gimple_boolify, gimplify_init_constructor,
9499 gimplify_boolean_expr): Likewise.
9500 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
9501 * varasm.c (array_size_for_constructor): Likewise.
9502 * tree-object-size.c (compute_object_offset): Likewise.
9504 2006-04-02 Roger Sayle <roger@eyesopen.com>
9507 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
9508 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
9510 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9512 PR tree-optimization/26939
9513 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
9515 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9517 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
9518 at_stmt. Convert the type of operands before calling
9519 build_polynomial_chrec.
9520 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
9522 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
9523 (instantiate_parameters_1): Convert the type of operands before calling
9524 build_polynomial_chrec.
9525 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
9526 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
9527 reset_evolution_in_loop): Insert asserts to check the types of the
9529 (chrec_type): Moved...
9530 (eq_evolutions_p): Use operand_equal_p.
9531 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
9532 the types of the operands.
9533 (chrec_type): ...here.
9534 * tree-data-ref.c (create_data_ref): Convert the operands before
9535 calling chrec_replace_initial_condition.
9536 (same_access_functions, analyze_subscript_affine_affine,
9537 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
9538 (compute_subscript_distance, analyze_ziv_subscript,
9539 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
9540 analyze_miv_subscript): Convert the operands before calling
9541 chrec_fold_minus or chrec_fold_plus.
9543 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9545 * tree-data-ref.c (compute_all_dependences): Use a pointer to
9546 the dependence_relations vector.
9547 (compute_data_dependences_for_loop): Adjust call to
9548 compute_all_dependences.
9550 2006-04-01 Roger Sayle <roger@eyesopen.com>
9551 Richard Henderson <rth@redhat.com>
9553 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
9554 gimple_boolify on the condition before calling gimplify_expr.
9556 2006-03-31 Bob Wilson <bob.wilson@acm.org>
9558 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
9559 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
9560 the frame size. Update to use the new macros.
9561 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
9562 * config/xtensa/ieee754-df.S: Likewise.
9564 2006-03-31 Richard Henderson <rth@redhat.com>
9566 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
9567 (make_edges): ... here. Control fallthru creation with a local
9568 variable. Do not play with fake edges.
9569 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
9570 (make_goto_expr_edges): Don't play with fake edges. Make for_call
9573 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
9575 * dwarf2.h (DW64_CIE_ID): Define.
9576 * dwarf2out.c (DWARF_CIE_ID): Define.
9577 (output_call_frame_info): Output 0xffffffff before standard 8-byte
9578 length header. Use DWARF_CIE_ID.
9579 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
9580 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
9582 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
9584 * config/sh/linux-atomic.asm: New file.
9585 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
9587 2006-03-31 DJ Delorie <dj@redhat.com>
9589 * config/m32c/cond.md: Set condition flags properly throughout.
9590 * config/m32c/minmax.md: Likewise.
9591 * config/m32c/prologue.md: Likewise.
9592 * config/m32c/bitops.md: Likewise.
9593 * config/m32c/muldiv.md: Likewise.
9594 * config/m32c/mov.md: Likewise.
9595 * config/m32c/addsub.md: Likewise.
9596 * config/m32c/m32c.md: Likewise.
9597 * config/m32c/jump.md: Likewise.
9598 * config/m32c/shift.md: Likewise.
9600 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
9601 conditionally output the pattern for this.
9602 * config/m32c/m32c.c (flags_needed_for_conditional): New.
9603 (m32c_compare_redundant): New.
9604 (m32c_output_compare): New.
9605 * config/m32c/m32c-protos.h (m32c_output_compare): New.
9607 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
9608 dest, not src. Allow other 4-byte modes.
9610 2006-03-30 Denis Chertykov <denisc@overta.ru>
9612 * doc/md.texi: Refer to avr/constraints.md instead of
9615 2006-03-30 Roger Sayle <roger@eyesopen.com>
9617 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
9618 signed vs. unsigned comparison failures on some hosts.
9620 2006-03-31 Alan Modra <amodra@bigpond.net.au>
9623 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
9624 change to FLOAT_REGS.
9626 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
9627 (rs6000_override_options): Use it.
9628 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
9629 only for -mabi=spe/no-spe and -mabi=altivec.
9631 2006-03-30 Geoffrey Keating <geoffk@apple.com>
9633 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
9636 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
9638 * Makefile.in: Rename docdir to gcc_docdir.
9640 2006-03-30 Roger Sayle <roger@eyesopen.com>
9643 * expr.c (emit_group_store): Optimize group stores into a pseudo
9644 register by using a paradoxical subreg to initialize the destination
9645 if the first or last member of the group specifies a "low part".
9647 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9650 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
9651 * target.h (struct gcc_target.speculate_insn): Change type of the
9652 second parameter to 'int'.
9653 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
9654 the second operand of the DEPS_LIST.
9655 (copy_DEPS_LIST_list): Update reference to the second operand of the
9657 * rtl.h (alloc_DEPS_LIST): Update signature.
9658 * sched-int.h (ds_t): Change typedef to 'int'.
9659 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9661 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9663 * haifa-sched.c (try_ready): Change condition to restore
9664 non-speculative pattern of the instruction.
9665 (process_insn_depend_be_in_spec): Code to keep probability of the
9666 speculative dependence non-decreasing.
9668 2006-03-30 Jie Zhang <jie.zhang@analog.com>
9670 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
9671 (single_move_for_movmem): ... this. Also change all uses.
9672 (bfin_expand_strmov): Renamed to...
9673 (bfin_expand_movmem): ... this. Also change all uses.
9674 * config/bfin/bfin.md (movstrsi): Renamed to...
9675 (movstrsi): ...this.
9677 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
9679 PR tree-optimization/26830
9681 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9682 (copy_prop_visit_stmt): Remove write-only variable ann.
9683 (init_copy_prop): Check variable loop depth here. Do not simulate
9684 memory-tag and virtual operand PHIs except for store copy prop.
9686 2006-03-30 Richard Guenther <rguenther@suse.de>
9688 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9689 variants with double arguments.
9691 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9693 * genpreds.c (write_tm_constrs_h): Delete variable p.
9694 * genconditions.c (write_header): Add tm-constrs.h to included
9696 * genpeep.c (main): Add toplev.h to included headers.
9697 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9698 (build/genpeep.o): Add toplev.h dependency.
9699 * config/rs6000/constraints.md: Add "W" constraint.
9701 2006-03-29 Roger Sayle <roger@eyesopen.com>
9703 * stor-layout.c (mode_for_size_tree): Remove restiction on type
9704 sizes by correctly testing whether the size fits a host integer.
9705 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9706 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9707 SImode range for the default sizetype and bitsizetype.
9709 2006-03-29 Roger Sayle <roger@eyesopen.com>
9711 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9712 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
9713 quickly if the argument is already of the correct type.
9714 Call fold_build1 instead of build1. Tidy up blank lines.
9716 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9718 * genemit.c (main): Add tm-constrs.h to included headers.
9719 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9720 * genpeep.c (main): Add tm-constrs.h to included headers.
9721 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9722 (write_tm_constrs_h): this and write complete file.
9723 (write_tm_preds_h): Do not emit satisfies_constraint fns.
9724 (write_insn_preds_c): Add tm-constrs.h to included headers.
9725 (gen_constrs): New variable.
9726 (parse_option): Parse "-c".
9727 (main): Invoke write_tm_constrs_h.
9728 * genrecog.c (write_header): Add tm-constrs.h to included headers.
9729 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9730 (object_out_file): Add tm-constrs.h dependency.
9731 (insn-emit.o): Same.
9732 (insn-output.o): Same.
9733 (insn-peep.o): Same.
9734 (insn-preds.o): Same.
9735 (insn-recog.o): Same.
9736 (tm-constsr.h): New target.
9737 (s-constrs-h): New target.
9739 * config/rs6000/constraints.md: New file.
9740 * config/rs6000/rs6000.c: Include tm-constrs.h.
9741 (num_insn_constant_wide): Convert to satisfies_constraint.
9742 (rs6000_rtx_costs): Convert to satisfies_constraint.
9743 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9744 (CONST_OK_FOR_LETTER_P): Delete.
9745 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9746 (EXTRA_CONSTRAINT): Delete.
9747 (EXTRA_MEMORY_CONSTRAINT): Delete.
9748 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9749 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9750 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9751 satisfies_constraint.
9753 * config/i386/i386.c: Include tm-constrs.h.
9755 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9757 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9758 * tree-data-ref.c (find_data_references_in_loop,
9759 compute_data_dependences_for_loop): Use pointers to VEC.
9760 (analyze_all_data_dependences): Adjust calls.
9761 * tree-data-ref.h (find_data_references_in_loop,
9762 compute_data_dependences_for_loop): Adjust declarations.
9763 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9764 compute_data_dependences_for_loop.
9766 2006-03-29 Paul Brook <paul@codesourcery.com>
9768 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9771 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9773 PR tree-optimization/26859
9774 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9776 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9777 for the step after fold_convert.
9779 2006-03-29 Paul Brook <paul@codesourcery.com>
9781 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9782 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9784 2006-03-29 Paul Brook <paul@codesourcery.com>
9787 * targhooks.c (default_narrow_bitfield): New fuction.
9788 * targhooks.h (default_narrow_bitfield): add prototype.
9789 * target.h (gcc_target): Add narrow_volatile_bitfield.
9790 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9791 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9792 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9793 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9795 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9797 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9799 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9800 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9801 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9802 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9803 (s390_function_arg_float): Allow SDmode and DDmode values to be
9804 passed in floating point registers.
9805 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9806 check with SCALAR_FLOAT_MODE_P.
9807 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9809 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9811 PR tree-optimization/25985
9812 * tree-ssa-loop-niter.c (number_of_iterations_le,
9813 number_of_iterations_ne): Make comments more precise.
9814 (number_of_iterations_cond): Add only_exit argument. Use the
9815 fact that signed variables do not overflow only when only_exit
9817 (loop_only_exit_p): New.
9818 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9819 number_of_iterations_cond.
9821 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9823 PR tree-optimization/26643
9824 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9827 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9829 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9830 (divsi3_i4_int): Likewise.
9832 2006-03-28 Roger Sayle <roger@eyesopen.com>
9834 * expr.c (emit_group_store): Only create a new pseudo reg if the
9835 quantity it needs to hold isn't already a suitable pseudo.
9837 2006-03-28 Jeff Law <law@redhat.com>
9839 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9840 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9842 2006-03-28 Roger Sayle <roger@eyesopen.com>
9844 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9845 the equivalent ~X & Y, and the symmetry related transformations.
9846 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9847 ~X & Y, and symmetry related transforms.
9849 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9851 Revert my 2006-03-27 patches.
9853 2006-03-28 Roger Sayle <roger@eyesopen.com>
9855 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9856 ~(T1)X, when T1 and T2 are integer types of the same precision
9857 and (T2)X isn't an extension.
9859 2006-03-28 Jeff Law <law@redhat.com>
9861 PR tree-optimization/26796
9862 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9863 need EH edge cleanups rather than purging them immediately.
9864 (eliminate_degenerate_phis): Handle queued EH cleanups.
9866 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9868 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9871 2006-03-27 Roger Sayle <roger@eyesopen.com>
9874 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9875 cast BIT_NOT_EXPR operand to the correct type.
9877 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9879 * tree-loop-linear.c: Don't include varray.h.
9880 (gather_interchange_stats, try_interchange_loops,
9881 linear_transform_loops): Use VEC instead of VARRAY.
9882 * lambda-mat.c: Don't include varray.h.
9883 * tree-chrec.c: Same.
9884 * lambda-trans.c: Same.
9885 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9886 VEC instead of VARRAY.
9887 * tree-vectorizer.h: Idem.
9888 * tree-data-ref.c (dump_data_references,
9889 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9890 initialize_data_dependence_relation, finalize_ddr_dependent,
9891 compute_all_dependences, find_data_references_in_loop,
9892 compute_data_dependences_for_loop, analyze_all_data_dependences,
9893 free_dependence_relation, free_dependence_relations,
9894 free_data_refs): Idem.
9895 * tree-data-ref.h (data_reference_p, subscript_p): New.
9896 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9897 VEC instead of VARRAY.
9898 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9899 (find_data_references_in_loop, compute_data_dependences_for_loop,
9900 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9901 dump_data_dependence_relations, free_dependence_relations,
9902 free_data_refs): Adjust declaration.
9903 (lambda_transform_legal_p): Move declaration here...
9904 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9905 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9906 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9907 vect_analyze_data_refs): Use VEC instead of VARRAY.
9908 * lambda.h (lambda_transform_legal_p): ...from here.
9909 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9910 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9911 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9912 tree-chrec.o): Don't depend on VARRAY_H.
9914 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9916 * rtl.def (Copyright): Update date.
9917 (DEPS_LIST): Change type of the second operand to 'int'.
9918 * target.h (Copyright): Update date.
9919 (struct gcc_target.speculate_insn): Change type of the second parameter
9921 * lists.c (Copyright): Update date.
9922 (alloc_DEPS_LIST): Change signature. Update reference to the second
9923 operand of the DEPS_LIST.
9924 (copy_DEPS_LIST_list): Update reference to the second operand of the
9926 * rtl.h (Copyright): Update date.
9927 (alloc_DEPS_LIST): Update signature.
9928 * sched-int.h (Copyright): Update date.
9929 (ds_t): Change typedef to 'int'.
9930 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9932 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9934 * haifa-sched.c (Copyright): Update date.
9935 (try_ready): Change condition to restore non-speculative pattern
9937 (process_insn_depend_be_in_spec): Code to keep probability of the
9938 speculative dependence non-decreasing.
9940 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9942 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9943 shut up the compiler.
9945 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9947 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9948 to use lib prefix for target.
9949 ($(T)libic_invalidate_array_4-200.a): Likewise.
9950 ($(T)libic_invalidate_array_4a.a): Likewise.
9952 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9953 J"orn Rennecke <joern.rennecke@st.com>
9955 * superh.opt: New file.
9956 * sh.c (boardtype, osruntime): Remove.
9957 * superh.h (SUBTARGET_OPTIONS): Remove.
9958 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9960 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9961 arguments with ^ and/or [].
9963 * config.gcc (sh-*-*): Add quoting to account for quirk of
9965 Replace == with = in enable_incomplete_targets test.
9967 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9968 with MASK_LITTLE_ENDIAN.
9970 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9971 * config/sh/sh.opt: Added to some comments.
9972 * config/sh/superh.h: Removed some chaff.
9974 * config/sh/sh.opt: Add m4-[1234]00* options.
9975 * config/sh/sh.c (sh_handle_option): Likewise.
9976 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9977 (ic_invalidate_array_4-100.o): New rule.
9978 ($(T)libic_invalidate_array_4-100.a): Likewise.
9979 (ic_invalidate_array_4-200.o): Likewise.
9980 ($(T)libic_invalidate_array_4-200.a): Likewise.
9981 (ic_invalidate_array_4a.o): Likewise.
9982 ($(T)libic_invalidate_array_4a.a): Likewise.
9983 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9984 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9986 * config/sh/crt1.asm: Merged in profiling code.
9987 * config/sh/superh.h (STARTFILE_SPEC): Override.
9988 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9989 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9990 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9992 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9993 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9994 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9996 * sh.opt (mpretend-cmove): New option.
9997 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9998 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9999 (movsicc): Add TARGET_PRETEND_CMOVE code.
10001 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
10003 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
10004 s390_class_max_nregs): New function prototypes.
10005 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
10006 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
10007 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
10008 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
10010 2006-03-26 Geoffrey Keating <geoffk@apple.com>
10012 * dwarf2out.c (add_location_or_const_value_attribute): Call
10013 tree_add_const_value_attribute if nothing else works.
10014 (reference_to_unused): New.
10015 (rtl_for_decl_init): Use reference_to_unused to decide whether
10016 to output an initializer.
10018 2006-03-27 Alan Modra <amodra@bigpond.net.au>
10021 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
10022 peephole removing spe frob_di_df_2.
10024 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
10026 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
10027 (subscript_dependence_tester_1): Declared.
10028 (print_dir_vectors, print_dist_vectors): New.
10029 (debug_data_dependence_relation): New.
10030 (dump_data_dependence_relation): Print more details.
10031 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
10032 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
10033 (save_dist_v, save_dir_v, add_outer_distances,
10034 build_classic_dist_vector_1): New.
10035 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
10036 Don't test for lambda_vector_lexico_pos.
10037 (same_access_functions, add_multivariate_self_dist,
10038 add_other_self_distances, dir_from_dist): New.
10039 (build_classic_dir_vector): Replace implementation almost identical to
10040 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
10042 (subscript_dependence_tester_1): New.
10043 (subscript_dependence_tester): Handle the lexicographically negative
10044 distance vectors by recomputing the dependence relation.
10045 (compute_affine_dependence): Remove parameter loop_nest_depth.
10046 (compute_self_dependence): Don't call compute_subscript_distance.
10047 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
10048 Add a parameter for the loop_nest.
10049 (find_loop_nest_1, find_loop_nest): New.
10050 (compute_data_dependences_for_loop): Compute the loop nest, and give
10051 up if the nest is not well formed.
10052 * tree-data-ref.h (loop_p): New.
10053 (struct data_dependence_relation): Replace size_vect field with
10054 loop_nest, a vec of loops.
10055 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
10056 (DDR_LOOP_NEST): New.
10057 (print_dir_vectors, print_dist_vectors,
10058 debug_data_dependence_relation): Declared.
10059 (index_in_loop_nest): New.
10060 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
10061 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
10064 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
10066 * simplify-rtx.c (simplify_relational_operation): Call
10067 simplify_relational_operation_1 even if mode is VOIDmode.
10069 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
10071 PR tree-optimization/26804
10072 * tree.h (DECL_CALL_CLOBBERED): New macro.
10073 (tree_decl_common): Add call_clobbered_flag.
10074 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
10075 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
10076 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
10077 (mark_non_addressable): Ditto.
10078 * tree-ssa.c (verify_call_clobbered): New function.
10079 (verify_alias_info): Use it.
10080 * tree-pass.h (pass_reset_cc_flags): New prototype.
10081 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
10082 (reset_cc_flags): New function.
10083 * passes.c (init_optimization_passes): Call reset_cc_flags after
10084 initializing referenced_vars.
10086 2006-03-25 Uros Bizjak <uros@kss-loka.si>
10087 Roger Sayle <roger@eyesopen.com>
10089 PR middle-end/26717
10090 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
10091 to 1.0 for non-real operands. Implement A / A optimization for
10094 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
10096 * config/i386/i386.c (size_cost): Correct the comment for
10097 cost of storing fp registers.
10098 (i386_cost): Likewise.
10099 (i486_cost): Likewise.
10100 (pentium_cost): Likewise.
10101 (pentiumpro_cost): Likewise.
10102 (k6_cost): Likewise.
10103 (athlon_cost): Likewise.
10104 (k8_cost): Likewise.
10105 (pentium4_cost): Likewise.
10106 (nocona_cost): Likewise.
10107 (generic64_cost): Likewise.
10108 (generic32_cost): Likewise.
10110 2006-03-24 Denis Chertykov <denisc@overta.ru>
10112 * config/avr/avr-protos.h (extra_constraint): Delete.
10113 (extra_constraint_Q): New declaration.
10114 * config/avr/constraints.md: New file.
10115 * config/avr/avr.md: Include it.
10116 (REG_X, REG_Y, REG_Z, REG_W): New constants.
10117 (TMP_REGNO, ZERO_REGNO): Likewise.
10118 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
10119 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
10120 (extra_constraint): Delete.
10121 (extra_constraint_Q): Test for memory constraint 'Q'.
10122 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
10123 (REG_CLASS_FROM_LETTER): Delete.
10124 (CONST_OK_FOR_LETTER_P): Delete.
10125 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10126 (EXTRA_CONSTRAINT): Delete.
10127 (TMP_REGNO): Delete.
10128 (ZERO_REGNO): Delete.
10130 2006-03-24 Jeff Law <law@redhat.com>
10132 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
10133 directly. Call mark_new_vars_to_rename slightly earlier.
10135 2006-03-24 Geoffrey Keating <geoffk@apple.com>
10137 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
10138 (is_cxx): Likewise.
10139 (gen_compile_unit_die): Use new language types for Objective-C and
10141 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
10142 DW_LANG_C_plus_plus.
10145 * config/t-darwin (crt3.o): Work around bug 26840.
10146 * config/darwin-crt3.c: Rewrite.
10147 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
10149 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
10151 * doc/invoke.texi: Document -femit-class-debug-always
10152 * common.opt: Add -femit-class-debug-always.
10154 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
10156 * config/s390/s390.c (s390_decompose_address): Allow SImode for
10157 index and base register.
10158 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
10159 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
10160 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
10161 REGNO_OK_FOR_INDEX_P.
10162 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
10164 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
10165 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
10166 REG_OK_FOR_BASE_P): Definitions removed.
10168 2006-03-24 Jakub Jelinek <jakub@redhat.com>
10170 PR middle-end/26611
10171 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
10172 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
10173 set yet or weren't marked as local yet.
10175 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
10177 * regrename.c (scan_rtx_address): Initialize a variable to shut up
10180 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
10182 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
10183 (rs6000_legitimate_small_data_p): Delete.
10184 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
10185 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
10186 and make static. Add forward declaration. Update uses.
10187 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
10188 of offsettable_memref_p.
10189 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
10190 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
10192 2006-03-24 Jeff Law <law@redhat.com>
10194 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
10195 around bug in immediate-use iterator.
10197 2006-03-24 Alan Modra <amodra@bigpond.net.au>
10200 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
10201 or __LITTLE_ENDIAN__.
10203 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
10205 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
10206 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
10207 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
10208 * config/sh/sh.opt (mdiv=): Amend description.
10209 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
10210 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
10211 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
10212 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
10213 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
10214 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
10215 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
10216 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
10217 TARGET_DIVIDE_CALL_FP.
10219 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10221 * haifa-sched.c (choose_ready): Fix type of the local variable.
10222 Move local variables. Add comment.
10223 (check_reg_live): Change signature. Make callable from debugger.
10224 * sched-int.h (check_reg_live): Update signature.
10225 * sched-ebb.c (check_reg_live): Update parameters.
10226 * sched-rgn.c (check_reg_live): Ditto.
10227 (region_head_or_leaf_p): Check pointer before dereferencing.
10228 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
10229 before reload on optimization levels below 1.
10231 2006-03-23 Richard Henderson <rth@redhat.com>
10233 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
10237 * config/alpha/predicates.md (local_symbolic_operand): Reject
10240 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
10243 * tree-ssa-pre.c (create_value_expr_from): Don't reject
10244 expressions which have overflowed constants.
10246 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10248 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
10250 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10252 * cfgloopmanip.c (create_loop_notes): Removed.
10253 * final.c (final_scan_insn): Do not handle loop notes.
10254 * jump.c (squeeze_notes): Ditto.
10255 * cfglayout.c (skip_insns_after_block,
10256 duplicate_insn_chain): Ditto.
10257 * cfgcleanup.c (rest_of_handle_jump2): Do not call
10259 * cfgloop.h (create_loop_notes): Declaration removed.
10261 2006-03-23 Richard Sandiford <richard@codesourcery.com>
10263 * varasm.c (output_constant_pool): Restore fnname and fndecl
10265 (assemble_start_function): Adjust call accordingly.
10266 (assemble_end_function): Likewise.
10268 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10271 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
10274 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
10276 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10279 * system.h (ICE_EXIT_CODE): New macro.
10280 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
10281 (diagnostic_action_after_output): Likewise.
10282 * gcc.c (fatal_ice): New function.
10283 (execute): Use it instead of fatal.
10284 (fancy_abort): Likewise.
10285 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
10287 2006-03-22 Jeff Law <law@redhat.com>
10289 * loop-unroll.c (analyze_iv_to_split_insn): Handle
10290 iv_analyze_result returning false.
10292 2006-03-22 Jie Zhang <jie.zhang@analog.com>
10294 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
10296 2006-03-22 Richard Henderson <rth@redhat.com>
10298 PR middle-end/26084
10299 * except.c (duplicate_eh_regions_0): New.
10300 (duplicate_eh_region_1): Duplicate the children of the node as
10301 well as the node itself. Link them up properly.
10302 (duplicate_eh_region_2): Merge into ...
10303 (duplicate_eh_regions): ... here. Take copy_region argument, and
10304 copy only a sub-tree if asked. Simplify copying and fixup.
10305 (eh_region_outer_p): New.
10306 * except.h (duplicate_eh_regions): Update decl.
10307 (eh_region_outer_p): Declare.
10308 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
10309 (lower_omp_master): Likewise.
10310 (lower_omp_ordered): Likewise.
10311 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
10312 (move_stmt_r): Use it to remap labels. Handle recursion vs
10313 remap_decls_p properly.
10314 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
10315 (find_outermost_region_in_block): New.
10316 (new_label_mapper): New.
10317 (move_sese_region_to_fn): Copy eh information to the new function
10319 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
10321 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
10324 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10326 * doc/md.texi (-mshared): Mention that -mshared code can be linked
10327 into shared libraries.
10329 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10331 * doc/md.texi: Refer to i386/constraints.md instead of
10332 i386/predicates.md.
10333 * config/i386/constraints.md: New file, extracted from...
10334 * config/i386/predicates.md: ...here.
10335 * config/i386/i386.md: Include constraints.md.
10337 2006-03-21 Jason Merrill <jason@redhat.com>
10339 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
10341 PR middle-end/20297
10342 * expr.c (init_block_move_fn): Force default visibility.
10343 (init_block_clear_fn): Likewise.
10344 * builtins.c (expand_builtin_fork_or_exec): Likewise.
10345 * targhooks.c (default_external_stack_protect_fail): Likewise.
10347 2006-03-21 Richard Sandiford <richard@codesourcery.com>
10349 * config/mips/predicates.md (const_call_insn_operand): Allow direct
10350 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
10351 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
10352 Use TARGET_OLDABI instead of !TARGET_NEWABI.
10353 (loadgp): Use mips_current_loadgp_style.
10354 (loadgp_noshared): New pattern.
10355 (sibcall_internal): Use MIPS_CALL.
10356 (sibcall_value_internal): Likewise.
10357 (sibcall_value_multiple_internal): Likewise.
10358 (call_internal): Likewise.
10359 (call_value_internal): Likewise.
10360 (call_value_multiple_internal): Likewise.
10361 (call_split): Use MIPS_CALL and add an 'S' constraint.
10362 (call_value_split): Likewise.
10363 (call_value_multiple_split): Likewise.
10364 * config/mips/mips.opt (-mabicalls): Tweak docstring.
10365 (-mshared): New option.
10366 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
10367 (mips_current_loadgp_style): Declare.
10368 * config/mips/mips.c (mips_classify_symbol): Avoid using
10369 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
10370 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
10371 TARGET_ABSOLUTE_ABICALLS.
10372 (override_options): Adjust comments. Improve the warning that is
10373 issued when -mabicalls and -G are used together.
10374 (mips_file_start): Remove comment.
10375 (mips_current_loadgp_style): New function.
10376 (mips_gnu_local_gp): New variable.
10377 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
10379 (mips_output_function_prologue): Use mips_current_laodgp_style.
10380 (mips_expand_prologue): Call mips_emit_loadgp before emitting
10381 the cprestore instruction.
10382 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
10383 live for TARGET_ABSOLUTE_ABICALLS.
10384 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
10385 (ASM_SPEC): Pass down -mshared and -mno-shared.
10386 (MIPS_CALL): New macro.
10387 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
10389 * doc/invoke.texi (-mabicalls): Update documentation.
10390 (-mshared): Document.
10392 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10394 * config/ia64/unwind-hpux.c: New file.
10395 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
10397 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10400 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
10402 2006-03-21 Jeff Law <law@redhat.com>
10404 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
10405 type conversions of a VR_VARYING source to a wider type.
10407 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10409 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
10410 tm_file on Solaris 10 and later.
10411 (sparc64-*-solaris2*): Likewise.
10412 (sparc-*-solaris2*): Likewise.
10413 * config/sol26.h: Rename to config/sol2-6.h.
10414 * config/sol2-10.h: New file.
10416 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
10419 * tree-ssa-pre.c (create_component_ref_by_pieces):
10422 2006-03-21 Jakub Jelinek <jakub@redhat.com>
10425 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
10426 return it immediately.
10428 2006-03-21 Michael Matz <matz@suse.de>
10430 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
10432 (remove_arc, add_arc): Update num_out_arcs member.
10433 (set_out_arc_insns_equiv_num): Returns nothing instead of number
10435 (cache_presence): New function.
10436 (compare_states_for_equiv): New function.
10437 (state_is_differed): Don't take number of outargs, adjust callers.
10438 Use new invariant for speeding up.
10439 (init_equiv_class): Create initial classes based on sorted
10441 (partition_equiv_class): Don't track out_arcs_num.
10442 (evaluate_equiv_classes): Call cache_presence on all states and
10445 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
10447 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
10448 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
10449 (bfin_valid_reg_p): Test for pseudos explicitly and use only
10450 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
10452 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
10453 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
10454 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
10455 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
10456 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
10458 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
10459 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
10460 (REGNO_REG_CLASS): ARGP is in PREGS.
10461 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
10463 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
10464 to deal with those addresses.
10465 * addresses.h: New file.
10466 * caller-save.c: Include "addresses.h".
10467 (init_caller_save): Use new base_reg_class function.
10468 * rtl-factoring.c: Include "addresses.h".
10469 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
10470 * recog.c: Include "addresses.h".
10471 (preprocess_constraints): Use new base_reg_class function.
10472 * regrename.c: Include "addresses.h".
10473 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
10474 functions. Keep track of a new var INDEX_CODE to compute valid
10476 (replace_oldest_value_addr): Likewise.
10477 (replace_oldest_value_mem): Use base_reg_class.
10478 * reload.c: Include "addresses.h".
10479 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
10480 (find_reloads): Use new base_reg_class function.
10481 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
10482 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
10483 all callers and prototype changed.
10484 * reload1.c: Include "addresses.h".
10485 (maybe_fix_stack_asms): Use base_reg_class.
10486 * regclass.c: Include "addresses.h".
10487 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
10488 (init_reg_autoinc): Use new base_reg_class function.
10489 (record_reg_classes): Likewise.
10490 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
10491 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
10492 Use new args to compute necessary class.
10494 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
10495 regrename.o, rtl-factoring.o): Update dependencies.
10496 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
10497 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
10498 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
10499 REG_OK_FOR_INDEX_P): Delete documentation.
10501 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
10503 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
10504 from V7 to V9 for Solaris 7 and above.
10506 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
10508 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
10509 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
10510 argument pointers may not alias any other storage.
10511 * common.opt: Define option -fargument-noalias-anything.
10512 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
10513 alias semantics is specified by flag_argument_noalias > 2.
10515 2006-03-20 Jeff Law <law@redhat.com>
10517 * tree-pass.h (pass_phi_only_copy_prop): Delete.
10518 (pass_phi_only_cprop): Declare.
10519 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
10520 with phi_only_cprop
10521 * tree-ssa-dom.c (degenerate_phi_result): New function.
10522 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
10523 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
10524 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
10525 (eliminate_degenerate_phis): Likewise.
10526 (pass_phi_only_cprop): New pass descriptor.
10527 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
10528 support code. Callers updated.
10529 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
10530 (store_copy_prop): Likewise.
10531 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
10533 2006-03-20 Jason Merrill <jason@redhat.com>
10536 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
10537 (push_visibility, pop_visibility): Likewise.
10538 * c-pragma.h: Declare them.
10540 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
10542 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
10544 * config/sh/sh.c (find_regmode_weight): Change the type of the first
10545 parameter and use get_ebb_head_tail.
10546 (sh_md_init_global): Adjust uses of find_regmode_weight.
10548 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
10550 * function.h (struct function) <x_tail_recursion_reentry>:
10551 Rename to x_stack_check_probe_note.
10552 (tail_recursion_reentry): Rename to stack_check_probe_note.
10553 * function.c: Replace tail_recursion_reentry with
10554 stack_check_probe_note everywhere.
10555 (expand_function_start): Only emit a note for
10556 stack_check_probe_note with -fstack-protect.
10557 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
10559 * emit-rtl.c (remove_unnecessary_notes): Remove.
10560 (pass_remove_unnecessary_notes): Remove.
10561 * rtl.h (remove_unnecessary_notes): Remove prototype.
10562 * final.c (final_start_function): Don't call remove_unnecessary_notes.
10563 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
10564 * passes.c (pass_remove_unnecessary_notes): Don't run it.
10566 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
10569 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
10570 (valid_in_set): Handle ARRAY_REF.
10571 Change "if min_variant or VH" to asserts.
10572 (create_component_ref_by_pieces): Handle ARRAY_REF.
10573 (create_expression_by_pieces): Likewise.
10574 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
10576 2006-03-20 David Edelsohn <edelsohn@gnu.org>
10578 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
10579 is operand of switch, not str[0].
10581 2006-03-20 Alan Modra <amodra@bigpond.net.au>
10583 * config/rs6000/rs6000.c (rs6000_handle_option): Use
10584 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
10586 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10588 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
10589 end of insn_extra_address_constraint declaration.
10591 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10593 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
10594 (no-sum-in-toc): Same.
10595 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
10597 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
10598 NO_FP_IN_TOC for -fPIC instead of mask.
10600 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
10601 (BOOT_LDFLAGS): Delete.
10603 * config/rs6000/t-aix52: Same.
10605 * config/rs6000/rs6000.md (store_multiple_power): Delete.
10606 (stmsi[345678]_power): New.
10608 2006-03-17 Steve Ellcey <sje@cup.hp.com>
10610 * config/ia64/ia64.opt: Add empty line to end of file.
10612 2006-03-17 Richard Guenther <rguenther@suse.de>
10614 PR middle-end/26721
10615 * builtins.c (get_pointer_alignment): For component style references
10616 adjust alignment to the component type alignment. Make sure
10617 to adjust alignment for component access of constants.
10619 2006-03-17 David Edelsohn <edelsohn@gnu.org>
10621 * config/rs6000/rs6000.md (strlensi): Emit barrier after
10622 unconditional jump.
10624 2006-03-17 Paul Brook <paul@codesourcery.com>
10626 * doc/install.texi: Docuemnt --with-mode.
10627 * config.gcc: Add --with-mode for arm*-*-*.
10628 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
10630 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
10632 * sh.c (max_labelno_before_reorg): New variable.
10633 (sh_reorg): Initialize it.
10634 (find_barrier): Check max_labelno_before_reorg before using
10635 label_to_alignment. Take length of explicit alignment insns
10636 into account. When seeing a UNSPECV_CONST_END, return it.
10638 * sh.c (fixup_mova): Set mode of affected label to QImode.
10639 (untangle_mova): New function.
10640 (find_barrier): Use it. Check mode of label before decrementing
10642 (sh_reorg): Likewise.
10643 Set mode of all insns back to VOIDmode.
10645 * sh.c (MOVA_LABELREF): New macro.
10646 (mova_p, fixup_mova, sh_reorg): Use it.
10647 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
10648 ADDR_DIFF_VEC matches mova.
10650 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
10652 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
10653 with ATTRIBUTE_UNUSED.
10655 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
10657 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
10658 pointer, instead of assuming it is possible to derive the
10659 correct args size from a call insn.
10661 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10663 * rtl.h (CONST_INT_P): Define.
10664 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
10665 instead of GET_CODE(x) == CONST_INT.
10666 (vax_rtx_costs): Likewise.
10667 (vax_output_int_move): Likewise.
10668 (vax_output_int_add): Likewise.
10669 (legitimate_constant_address_p): Likewise.
10670 (index_term_p): Likewise.
10671 * config/vax/vax.h (PRINT_OPERAND): Likewise.
10672 * config/vax/vax.md (and<mode>3): Likewise.
10673 (ashrsi3): Likewise.
10675 (movstricthi): Likewise.
10676 (movstrictqi): Likewise.
10677 (rotrsi3): Likewise.
10678 (five unnamed insns): Likewise.
10680 2006-03-16 Geoffrey Keating <geoffk@apple.com>
10682 * doc/tm.texi (SDB and DWARF): Add extra parameter to
10683 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
10684 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10685 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10686 Pass to ASM_OUTPUT_DWARF_OFFSET.
10687 * dwarf2out.c (debug_frame_section): New.
10688 (output_call_frame_info): Use debug_frame_section. Pass it to
10689 dw2_asm_output_offset.
10690 (output_die): Pass appropriate section to dw2_asm_output_offset.
10691 (output_compilation_unit_header): Likewise.
10692 (output_pubnames): Likewise.
10693 (output_aranges): Likewise.
10694 (enum dw_val_class): Break dw_val_class_lbl_offset into
10695 dw_val_class_lineptr and dw_val_class_macptr.
10696 (add_AT_lbl_offset): Delete.
10697 (add_AT_lineptr): New.
10698 (add_AT_macptr): New.
10699 (AT_lbl): Expect a lineptr or macptr.
10700 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10701 (attr_checksum): Likewise.
10702 (same_dw_val_p): Likewise.
10703 (size_of_die): Likewise.
10704 (value_format): Likewise.
10705 (output_die): Likewise.
10706 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10708 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10709 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10710 * config/darwin-protos.h (darwin_file_start): New.
10711 (darwin_asm_output_dwarf_offset): New.
10712 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10713 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10715 * config/darwin.c (darwin_emit_unwind_label): Don't output label
10716 if not EH section; simplify.
10717 (darwin_file_start): New.
10718 (darwin_asm_output_dwarf_offset): New.
10719 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10721 (DEBUG_INFO_SECTION): Likewise.
10722 (DEBUG_ABBREV_SECTION): Likewise.
10723 (DEBUG_ARANGES_SECTION): Likewise.
10724 (DEBUG_MACINFO_SECTION): Likewise.
10725 (DEBUG_LINE_SECTION): Likewise.
10726 (DEBUG_LOC_SECTION): Likewise.
10727 (DEBUG_PUBNAMES_SECTION): Likewise.
10728 (DEBUG_STR_SECTION): Likewise.
10729 (DEBUG_RANGES_SECTION): Likewise.
10730 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10731 (ASM_OUTPUT_DWARF_OFFSET): New.
10733 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10735 * config.gcc (tm_defines): Always add to previous value rather
10738 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10740 * config/mips/predicates.md (splittable_const_int_operand): New,
10741 split from move_operand.
10742 (splittable_symbolic_operand): New.
10743 (move_operand): Add commentary. Use splittable_const_int_operand.
10744 Inline mips_atomic_symbolic_constant_p.
10745 * config/mips/mips.md: Add combine splitters for handling moves
10746 of splittable_const_int_operands and splittable_symbolic_operands.
10747 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10748 (mips_split_symbol): Declare.
10749 (mips_move_integer): Declare.
10750 * config/mips/mips.c (mips_split_p): Make global.
10751 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10752 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10753 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10754 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10755 (mips_offset_within_object_p): Handle block symbols.
10756 (mips_atomic_symbolic_constant_p): Delete.
10757 (mips_cannot_force_const_mem): Return false for constants that
10758 mips_legitimize_move can handle.
10759 (mips_use_blocks_for_constant_p): New function.
10760 (mips_split_symbol): Make global.
10761 (mips_move_integer): Likewise. Add a temporary register argument.
10762 (mips_legitimize_const_move): Use splittable_const_int_operand and
10763 splittable_symbolic_operand.
10764 (mips_use_anchors_for_symbol_p): New function.
10765 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10766 (mips_split_p): Declare.
10768 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10770 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10771 (mips*-*-linux*): Likewise.
10773 2006-03-16 Roger Sayle <roger@eyesopen.com>
10774 Daniel Speyer <dspeyer@wam.umd.edu>
10776 PR middle-end/18259
10777 * tree-dump.c (dump_real): New function.
10778 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10779 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10780 (tree-dump.o): Add $(REAL_H) to the dependencies.
10782 2006-03-16 Roger Sayle <roger@eyesopen.com>
10784 PR middle-end/21781
10785 * real.c (real_from_string): If the mantissa is zero, don't bother
10786 parsing the exponent as the result should always be zero.
10788 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10790 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10792 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10794 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10795 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10796 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10797 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10798 ia64_sched_finish_global): New static functions to implement
10799 hooks from gcc_target.sched.
10800 (spec_check_no, max_uid, pending_data_specs): New static variables.
10801 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10802 ia64_spec_check_src_p): New static functions.
10803 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10804 (TARGET_SCHED_ADJUST_COST): Removed.
10805 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10806 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10807 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10808 TARGET_SCHED_GEN_CHECK,
10809 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10810 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10811 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10812 Fixed to handle speculation checks.
10813 (rtx_needs_barrier): Fixed to handle speculative loads and
10815 (ia64_variable_issue): Added code to count speculative loads and their
10817 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10819 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10821 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10823 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10824 (ia64_reorg): Reset stops_p to NULL after it is freed.
10825 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10826 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10827 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10829 (data_speculative, control_speculative, check_load): New attributes.
10830 (mov<mode>_advanced, mov<mode>_speculative,
10831 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10832 zero_extend<mode>di2_speculative,
10833 zero_extend<mode>di2_speculative_advanced): New patterns for
10834 data and control speculative loads.
10835 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10837 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10838 New pattern for data and control speculation checks.
10839 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10840 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10841 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10842 Auxiliary definitions for the patterns.
10843 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10844 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10846 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10848 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10849 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10850 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10851 New resource constraints.
10852 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10854 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10855 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10856 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10857 msched-in-control-spec, msched-ldc, msched-control-ldc,
10858 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10859 msched-prefer-non-control-spec-insns,
10860 msched-count-spec-in-critical-path): New flags to tune speculative
10862 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10863 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10864 msched-in-control-spec, msched-ldc, msched-control-ldc,
10865 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10866 msched-prefer-non-control-spec-insns,
10867 msched-count-spec-in-critical-path): Document new flags.
10869 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10871 * target.h (struct spec_info_def): New opaque declaration.
10872 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10873 speculate_insn, needs_block_p, gen_check,
10874 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10875 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10876 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10877 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10878 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10879 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10881 (TARGET_SCHED): Use new macros.
10882 * rtl.h (copy_DEPS_LIST_list): New prototype.
10883 * sched-int.h (struct sched_info): Change signature of new_ready field,
10884 adjust all initializations. New fields: add_remove_insn,
10885 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10886 region_head_or_leaf_p.
10887 (struct spec_info_def): New structure declaration.
10888 (spec_info_t): New typedef.
10889 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10890 recovery_block, orig_pat.
10891 (glat_start, glat_end): New variables declaraions.
10892 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10894 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10895 DETACH_LIFE_INFO, USE_GLAT.
10896 (enum SPEC_SCHED_FLAGS): New enumeration.
10897 (NOTE_NOTE_BB_P): New macro.
10898 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10899 attach_life_info, debug_spec_status, check_reg_live): New functions.
10900 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10901 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10903 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10904 * ddg.c (get_block_head_tail): Adjust all uses.
10905 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10906 (sms_sched_info): Initialize new fields.
10907 (contributes_to_priority): Removed.
10908 * haifa-sched.c (params.h): New include.
10909 (get_block_head_tail): Adjust all uses.
10910 (ISSUE_POINTS): New macro.
10911 (glat_start, glat_end): New global variables.
10912 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10913 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10914 old_last_basic_block, before_recovery, current_sched_info_var,
10915 rgn_n_insns, luid): New static variables.
10916 (insn_cost1): New function. Move logic from insn_cost to here.
10917 (find_insn_reg_weight1): New function. Move logic from
10918 find_insn_reg_weight to here.
10919 (reemit_notes, move_insn, max_issue): Change signature.
10920 (move_insn1): Removed.
10921 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10922 extend_bb): New static functions to support extension of scheduler's
10924 (generate_recovery_code, process_insn_depend_be_in_spec,
10925 begin_speculative_block, add_to_speculative_block,
10926 init_before_recovery, create_recovery_block, create_check_block_twin,
10927 fix_recovery_deps): New static functions to support
10928 generation of recovery code.
10929 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10930 restore_bb_notes, move_block_after_check, move_succs): New static
10931 functions to support ebb scheduling.
10932 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10933 functions to support handling of register live information.
10934 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10935 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10936 add_jump_dependencies): New static functions.
10937 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10938 consistancy checking.
10939 (debug_spec_status): New function to call from debugger.
10940 (priority): Added code to handle speculation checks.
10941 (rank_for_schedule): Added code to distinguish speculative instructions.
10942 (schedule_insn): Added code to handle speculation checks.
10943 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10944 Fixed to handle ebbs.
10945 (move_insn): Added code to handle ebb scheduling.
10946 (max_issue): Added code to use ISSUE_POINTS of instructions.
10947 (choose_ready): Added code to choose between speculative and
10948 non-speculative instructions.
10949 (schedule_block): Added code to handle ebb scheduling and scheduling of
10950 speculative instructions.
10951 (sched_init): Initialize new variables.
10952 (sched_finish): Free new variables. Print statistics.
10953 (try_ready): Added code to handle speculative instructions.
10954 * lists.c (copy_DEPS_LIST_list): New function.
10955 * sched-deps.c (extend_dependency_caches): New function. Move logic
10956 from create_dependency_caches to here.
10957 (get_dep_weak, ds_merge): Make global.
10958 * genattr.c (main): Code to output prototype for
10959 dfa_clear_single_insn_cache.
10960 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10961 (output_dfa_clean_insn_cache_func): Code to output
10962 dfa_clear_single_insn_cache function.
10963 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10965 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10967 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10968 New static variables.
10969 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10970 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10972 (ebb_sched_info): Initialize new fields.
10973 (get_block_head_tail): Adjust all uses.
10974 (compute_jump_reg_dependencies): Fixed to use glat_start.
10975 (schedule_ebb): Code to remove unreachable last block.
10976 (schedule_ebbs): Added code to update register live information.
10977 * sched-rgn.c (region_sched_info): Initialize new fields.
10978 (get_block_head_tail): Adjust all uses.
10979 (last_was_jump): Removed. Adjust users.
10980 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10981 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10982 Implement new hooks.
10983 (check_dead_notes1): New static function.
10984 (struct region): New fields: dont_calc_deps, has_real_ebb.
10985 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10986 (BB_TO_BLOCK): Fixed to handle EBBs.
10987 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10988 (ebb_head): New static variable.
10989 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10990 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10992 (compute_dom_prob_ps): New assertion.
10993 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10994 global_live_at_start.
10995 (init_ready_list): New assertions.
10996 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10997 (new_ready): Add support for BEGIN_CONTROL speculation.
10998 (schedule_insns): Fixed code that updates register live information
11000 (schedule_region): Fixed to handle EBBs.
11001 (init_regions): Use extend_regions and check_dead_notes1.
11002 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
11003 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
11004 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
11005 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11006 TARGET_SCHED_GEN_CHECK,
11007 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11008 TARGET_SCHED_SET_SCHED_FLAGS): Document.
11009 * doc/invoke.texi (max-sched-insn-conflict-delay,
11010 sched-spec-prob-cutoff): Document.
11012 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11014 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
11015 inter_tick, queue_index.
11016 (struct sched_info): Change signature of init_ready_list field.
11017 Adjust all initializations.
11018 (RESOLVED_DEPS): New access macro.
11019 (ready_add): Remove prototype.
11020 (try_ready): Add prototype.
11021 * sched-rgn.c (init_ready_list): Use try_ready.
11022 (schedule_region): Initialize
11023 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
11024 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
11025 (init_ready_list): Use try_ready.
11026 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
11027 * lists.c (remove_list_elem): Remove `static'.
11028 (remove_free_INSN_LIST_elem): New function.
11029 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
11030 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
11031 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
11033 (readyp): New variable.
11034 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
11035 change_queue_index, resolve_dep): New static functions.
11036 (try_ready): New function. Adjust callers in sched-rgn.c and
11037 sched-ebb.c to use it instead of ready_add.
11038 (clock_var): Move at the begining of file.
11039 (rank_for_schedule): Fix typo.
11040 (queue_insn): Add assertion. Handle QUEUE_INDEX.
11041 (ready_lastpos): Enforce assertion.
11042 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
11043 update all callers.
11044 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
11045 (schedule_insn): Rewrite to use try_ready and resolve_dep.
11046 (queue_to_ready): Use free_INSN_LIST_list.
11047 (early_queue_to_ready): Fix typo.
11048 (schedule_block): Init readyp. Move init_ready_list call after the
11049 initialization of clock_var. Fix error in rejecting insn by
11050 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
11051 that previously corrected INSN_TICKs. Add code for handling
11053 (set_priorities): Fix typo.
11054 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
11055 Clarify comment and code that keeps current_sched_info->next_tail
11058 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11060 * sched-rgn.c (extend_rgns): New static function.
11061 (find_rgns): Use it.
11062 (gather_region_statistics, print_region_statistics): New static
11064 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
11065 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11067 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11068 Andrey Belevantsev <abel@ispras.ru>
11070 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
11071 * lists.c (unused_deps_list): New variable.
11072 (free_list): Add assertions to verify the proper distinguishing
11073 between INSN_LISTs and DEPS_LISTs.
11074 (find_list_elem, remove_list_elem, remove_list_node): New static
11076 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
11077 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
11078 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
11079 (alloc_INSN_LIST): Assert that the list we're working on is indeed
11081 (free_INSN_LIST_node): Likewise.
11082 * modulo-sched.c (current_sched_info): Initialize flags field.
11083 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
11084 * rtl.def (DEPS_LIST): Define.
11085 * rtl.h: Declare new functions from lists.c.
11086 * sched-deps.c (spec_dependency_cache): New static variable.
11087 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
11088 (add_dependence): Change return type to void. Move the logic to ...
11089 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
11090 (delete_all_dependences): Add comment about forward_dependency_cache.
11091 Handle spec_dependency_cache. Handle DEPS_LISTs.
11092 (fixup_sched_groups): Clarify the change of priority of output
11093 and anti dependencies.
11094 (sched_analyze_2): Adjust add_dependence calls to create data
11095 speculative dependence.
11096 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
11097 Adjust all callers. Handle DEPS_LISTS.
11098 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
11099 presence of speculation.
11100 (init_dependency_caches, free_dependency_caches):
11101 Handle spec_dependency_cache.
11102 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
11103 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
11104 New static functions.
11105 (add_or_update_back_dep, add_or_update_back_forw_dep,
11106 add_back_forw_dep, delete_back_forw_dep): New functions.
11107 * sched-int.h (ds_t, dw_t): New typedefs.
11108 (struct sched_info): Add new field flags.
11109 (struct haifa_insn_data): Add new bitfield has_internal_dep.
11110 Prototype new sched-deps.c functions.
11111 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
11112 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
11113 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
11114 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
11115 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
11116 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
11118 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
11120 * sched-rgn.c (current_sched_info): Initialize flags field.
11121 (schedule_insns): Initialize current_sched_info before the sched_init
11123 * sched-ebb.c (current_sched_info): Initialize flags field.
11124 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
11125 Call add_or_update_back_dep instead of add_dependence.
11126 Create control speculative dependencies.
11127 (schedule_insns): Initialize current_sched_info before the sched_init
11130 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
11132 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
11134 (sh_fallback_frame_state): Likewise.
11136 2006-03-15 Geoffrey Keating <geoffk@apple.com>
11138 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
11139 Do switch on default_use_cxa_atexit.
11140 (powerpc*-*-darwin*): Build crt2.o on powerpc.
11141 * config/darwin-crt3.o: New.
11142 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
11143 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
11144 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
11146 * config/rs6000/t-darwin: Move crt2.o building to here.
11147 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
11148 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
11151 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11153 * config/vax/vax.c (nonindexed_address_p): Change logical negation
11154 from '! xxx' to '!xxx' for coding-style conformance.
11155 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
11156 (EXTRA_CONSTRAINT): Likewise.
11157 * config/vax/vax.md (four unnamed insns): Likewise.
11159 2006-03-15 Paul Brook <paul@codesourcery.com>
11161 * config/arm/arm.c (minipool_pad): New.
11162 (add_minipool_forward_ref): Include pool alignment padding in address
11164 (push_minipool_fix): Set minipool_pad.
11165 (minipool_pad): Ditto.
11167 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11169 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
11170 instead of GET_CODE() == MEM and REG_P() instead of
11172 (print_operand_address): Likewise.
11173 (vax_address_cost): Likewise.
11174 (vax_rtx_costs): Likewise.
11175 (vax_notice_update_cc): Likewise.
11176 (vax_output_int_add): Likewise.
11177 (INDEX_REGISTER_P): Likewise.
11178 (BASE_REGISTER_P): Likewise.
11179 (nonindexed_address_p): Likewise.
11180 (vax_mode_dependent_address_p): Likewise.
11181 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
11182 (PRINT_OPERAND): Likewise.
11183 * config/vax/vax.md (ashlsi3): Likewise.
11184 (ashlsi3): Likewise.
11185 (some more unnamed insns): Likewise.
11187 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
11189 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
11190 iterator-style macro.
11191 (mark_control_dependent_edges_necessary): Update the use of
11192 EXECUTE_IF_CONTROL_DEPENDENT.
11194 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
11196 * config/sh/predicates.md (cache_address_operand): Special.
11197 (ua_address_operand): Likewise.
11199 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
11201 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
11203 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
11205 2006-03-15 Andreas Schwab <schwab@suse.de>
11207 * gensupport.c (identify_predicable_attribute): Don't free p_false
11208 when it is still in use.
11210 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
11212 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
11213 the default setting here.
11215 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
11217 * tree-pass.h (pass_cfg): Remove.
11218 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
11219 * passes.c (pass_cfg): Don't run it.
11221 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
11223 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
11224 * reg-stack.c (stack_regs_mentioned_data): Change the type to
11226 (stack_regs_mentioned): Update the uses of
11227 stack_regs_mentioned_data. Don't access the array beyond its
11229 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
11230 Don't include gt-reg-stack.h.
11232 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
11233 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
11235 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
11237 PR middle-end/26684
11238 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
11241 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11243 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
11245 2006-03-14 Richard Guenther <rguenther@suse.de>
11247 PR tree-optimization/26672
11248 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
11251 2006-03-14 Richard Guenther <rguenther@suse.de>
11253 PR tree-optimization/26667
11254 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
11255 node for the callees. Always allow inlining if it will shrink
11258 2006-03-14 Richard Guenther <rguenther@suse.de>
11260 PR middle-end/26659
11261 * builtins.c (get_pointer_alignment): Prefer alignment
11262 information from decls over that from types.
11264 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
11267 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
11269 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
11271 * config/rs6000/rs6000.opt (mdlmzb): New option.
11272 (msched-prolog, msched-epilog): Use Var not Mask.
11273 * doc/invoke.texi (-mdlmzb): Document.
11274 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11276 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
11277 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
11279 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
11281 PR rtl-optimization/25739
11282 * bt-load.c (augment_live_range): Free tos pointer.
11284 * gensupport.c (identify_predicable_attribute): Free
11286 * gcov.c (create_file_names): Free name pointer.
11288 2006-03-13 Roger Sayle <roger@eyesopen.com>
11290 PR middle-end/26557
11291 * stmt.c (emit_case_nodes): Handle the case where the index is a
11292 CONST_INT, where the comparison mode is specified by the index type.
11294 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11296 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
11299 2006-03-13 Richard Sandiford <richard@codesourcery.com>
11301 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
11302 (*branch_fp_inverted): Likewise.
11304 2006-03-13 Jakub Jelinek <jakub@redhat.com>
11306 PR middle-end/25989
11307 * omp-low.c (expand_omp_for_generic): Mark istart0
11308 and iend0 as addressable.
11310 2006-03-13 Jie Zhang <jie.zhang@analog.com>
11312 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
11314 2006-03-13 Jeff Law <law@redhat.com>
11316 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
11317 virtual operands are interesting.
11318 (vrp_visit_stmt): Corresponding changes.
11320 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
11322 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
11324 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
11325 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
11326 * config/bfin/crti.S: Use it instead of __PIC__.
11327 * config/bfin/crtn.S: Likewise.
11329 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
11330 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
11332 Lose 'G' modifier for call operand.
11333 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
11334 recognize 'G' modifier.
11336 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
11338 PR middle-end/18859
11339 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
11340 * stmt.c (expand_case): Likewise.
11342 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11344 PR rtl-optimization/26254
11345 * loop-invariant.c (seq_insns_valid_p): New function.
11346 (move_invariant_reg): Only emit new code if it is valid.
11348 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11350 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
11352 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
11353 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
11354 (commit_one_edge_insertion): Do not look for loop notes.
11356 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11358 * jump.c (follow_jumps): Do not check for loop notes. Move check for
11359 flag_test_coverage out of loop.
11361 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11363 * final.c (shorten_branches): Remove outdated comment, and turn
11364 the if branch that guards it to continue.
11366 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11368 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
11369 * cfgloop.h (struct loop): Remove unused fields.
11371 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
11373 * doc/invoke.texi (-fdump-rtl-loop): Remove.
11374 (-dL, -fdump-rtl-loop2): Update the dump file names
11376 * doc/invoke.texi: Update dump file names.
11378 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
11380 * predict.c (estimate_probability): Remove.
11381 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
11382 * basic-block.h (estimate_probability): Remove prototype.
11383 * passes.c (finish_optimization_passes): Dump branch prediction or
11384 profiling heuristics to the .profile tree dump.
11385 (init_optimization_passes): Unqueue pass_branch_prob.
11387 * doc/invoke.texi (-fdump-rtl-bp): Remove.
11389 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11391 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
11392 * rtl.h (LABEL_NEXTREF): Remove field accessor.
11394 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
11396 * function.h (frame_offset_overflow): Declare.
11397 * function.c (frame_offset_overflow): New function.
11398 (assign_stack_local_1): Call it to detect that the offset overflows.
11399 * cfgexpand.c (alloc_stack_frame_space): Likewise.
11401 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11403 * config/sh/sh.c: Include alloc-pool.h.
11404 (label_ref_list_pool): New alloc pool.
11405 (label_ref_list_t): New type for lists of labels.
11406 (struct pool_node): Make wend a label_ref_list_t.
11407 (add_constant): Use the new type, eradicate LABEL_NEXTREF
11409 (dump_table): Likewise.
11410 (sh_reorg): Set up the alloc pool before using add_constant and
11411 dump_table, and destroy it when finishing.
11413 2006-03-11 Richard Sandiford <richard@codesourcery.com>
11415 * config/mips/mips.c: Remove redundant comment.
11417 2006-03-10 Jason Merrill <jason@redhat.com>
11420 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
11421 the target was declared 'register'.
11423 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
11425 * genpreds.c (write_insn_constraint_len): Change definition of
11426 insn_constraint_len to return size_t to match the declaration.
11428 2006-03-10 DJ Delorie <dj@redhat.com>
11430 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
11432 (m32c_expand_insv): Fix test for an AND mask.
11434 2006-03-10 Richard Guenther <rguenther@suse.de>
11436 PR middle-end/26565
11437 * builtins.c (get_pointer_alignment): Handle component
11438 references for field alignment.
11440 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11442 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
11443 when building with libgloss.
11444 (sh*elf): Implement --without-fp option.
11445 (sh64-superh-linux*): Don't multilib.
11447 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11449 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
11451 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
11453 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
11454 Set it when one of the replacement functions returned true.
11455 Return TODO_cleanup_cfg if cfgchanged is true.
11456 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
11458 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
11460 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
11461 instead of gen_lowpart.
11463 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11465 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
11467 (mips_output_order_conditional_branch): Declare.
11468 * config/mips/mips.h (MIPS_BRANCH): New macro.
11469 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
11470 for the comparison. Use gen_condjump.
11471 (mips_output_conditional_branch): Rework interface to take the
11472 asm templates for a direct branch and the inverse of a direct branch.
11473 (mips_output_order_conditional_branch): New function.
11474 (mips_builtin_branch_and_move): New function.
11475 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
11476 branch condition. Use gen_single_cc as the condition for
11477 __builtin_mips_upper_* or __builtin_mips_lower_*.
11478 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
11479 Use VOIDmode for the branch condition.
11480 * config/mips/predicates.md (order_operator): New predicate.
11481 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
11482 (branch_fp): Rename to...
11483 (*branch_fp): ...this. Remove mode from comparison operator.
11484 Use new mips_output_conditional_branch interface.
11485 (branch_fp_inverted): Rename to...
11486 (*branch_fp_inverted): ...this and update as for *branch_fp.
11487 (*branch_zero<mode>): Rename to...
11488 (*branch_order<mode>): ...this. Remove mode from comparison operator.
11489 Use mips_output_order_conditional_branch. Only accept ordered
11491 (*branch_zero<mode>_inverted): Rename to...
11492 (*branch_order<mode>_inverted): ...this and update as for
11493 *branch_order<mode>.
11494 (*branch_equality<mode>): Accept zero as the second operand to
11495 the equality operator. Use the new mips_output_conditional_branch
11497 (*branch_equality<mode>_inverted): Likewise.
11498 (condjump): New expander.
11499 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
11501 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
11502 (bc1any2t, bc1any2f): Likewise.
11503 (single_cc): New expander.
11504 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
11506 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11508 * doc/md.texi: Update documentation of MIPS constraints.
11509 * config/mips/constraints.md: New file.
11510 * config/mips/mips.md: Include it.
11511 * config/mips/mips.c (mips_char_to_class): Delete.
11512 (override_options): Don't initialize mips_char_to_class.
11513 * config/mips/mips.h (mips_char_to_class): Delete.
11514 (REG_CLASS_FROM_LETTER): Delete.
11515 (CONST_OK_FOR_LETTER_P): Delete.
11516 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11517 (EXTRA_CONSTRAINT_Y): Delete.
11518 (EXTRA_CONSTRAINT_STR): Delete.
11519 (CONSTRAINT_LEN): Delete.
11520 (EXTRA_MEMORY_CONSTRAINT): Delete.
11522 2006-03-09 Diego Novillo <dnovillo@redhat.com>
11524 * tree-cfg.c (move_block_to_fn): Remove the statements from the
11525 original fn's eh regions.
11527 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
11529 * fold-const.c (build_range_check): Make sure to use a valid type to
11530 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
11533 (range_predecessor): New static function.
11534 (range_successor): Likewise.
11535 (merge_ranges): Use them to compute predecessors and successors of
11538 2006-03-09 Roger Sayle <roger@eyesopen.com>
11540 PR middle-end/26561
11541 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
11542 X op C3, consider whether C3 overflows towards +Inf or -Inf.
11544 2006-03-08 DJ Delorie <dj@redhat.com>
11546 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
11547 (addpsi3): Expand to include memory operands. Remove
11548 reload-specific splits.
11549 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
11550 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
11551 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
11552 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
11553 (shift1_qi, shift1_hi, insv): New.
11554 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
11555 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
11556 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
11558 * config/m32c/m32c-protos.h: Update as needed.
11559 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
11560 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
11561 Fail for unrecognized R* constraints.
11562 (m32c_cannot_change_mode_class): Be more picky about pseudos.
11563 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
11564 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
11566 (m32c_init_libfuncs): New.
11567 (m32c_legitimate_address_p): Add debug wrapper.
11568 (m32c_rtx_costs): New.
11569 (m32c_address_cost): New.
11570 (conversions): Add 'B' prefix.
11571 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
11572 operands, or word regnames for QI operands. 'B' prints bit
11574 (m32c_expand_setmemhi): New.
11575 (m32c_expand_movmemhi): New.
11576 (m32c_expand_movstr): New.
11577 (m32c_expand_cmpstr): New.
11578 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
11579 (m32c_expand_neg_mulpsi3): Handle non-ints.
11580 (m32c_cmp_flg_0): New.
11581 (m32c_expand_movcc): New.
11582 (m32c_expand_insv): New.
11583 (m32c_scc_pattern): New.
11584 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
11585 a0/a1 out of SIregs.
11586 (STORE_FLAG_VALUE): New.
11587 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
11590 * config/m32c/mov.md: Make constraints more liberal.
11591 (zero_extendqihi2): Optimize r0/r1 case.
11592 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
11593 * config/m32c/predicates.md (m32c_any_operand): New.
11594 (m32c_nonimmediate_operand): New.
11595 (m32c_hl_operand): New.
11596 (m32c_r3_operand): New.
11599 (memsym_operand): New.
11600 (memimmed_operand): New.
11601 (a_qi_operand): New.
11602 (m32c_eqne_operator): New.
11603 (m32c_1bit8_operand): New.
11604 (m32c_1bit16_operand): New.
11605 (m32c_1mask8_operand): New.
11606 (m32c_1mask16_operand): New.
11607 * config/m32c/blkmov.md: New file.
11608 * config/m32c/t-m32c (MD_FILES): Add blkmov.
11610 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
11612 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
11613 unsigned to fix signed/unsigned comparison issue in
11614 DWARF2_FRAME_REG_OUT.
11615 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
11616 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
11618 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
11619 of ptr into the ENABLE_CHECKING section.
11621 2006-03-08 Jeff Law <law@redhat.com>
11623 * tree-vrp.c (infer_value_range): Only count pointer uses
11624 and dereferences if -fdelete-null-pointer-checks is enabled.
11626 * tree-vrp.c (find_assert_locations): Infer value ranges for
11627 single use pointers, but do not create ASSERT_EXPRs for them.
11628 When a non-null range is inferred for a pointer, backwards
11629 propagate that range to other equivalent pointers through the
11632 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
11635 * Makefile.in (dvi, html, install-info): Invoke the corresponding
11636 language hook targets.
11637 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
11638 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
11639 if language hook targets were missing.
11641 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
11643 * tree-ssa-opfinalize.h: Removed.
11644 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
11646 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
11647 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
11648 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
11649 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
11650 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
11651 finalize_ssa_v_must_def_ops): New.
11653 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
11655 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
11656 block as parameter.
11658 2006-03-07 Geoffrey Keating <geoffk@apple.com>
11660 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
11662 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
11663 addresses with offsets; reorganize.
11665 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
11666 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
11667 (expand_builtin_init_dwarf_reg_sizes): Likewise.
11669 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
11672 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
11674 2006-03-08 Ben Elliston <bje@au.ibm.com>
11676 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
11678 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
11681 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11684 2006-03-07 Richard Guenther <rguenther@suse.de>
11686 PR tree-optimization/26587
11687 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11689 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11691 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11693 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11695 * hooks.c (hook_bool_mode_rtx_true): New function.
11696 * hooks.h (hook_bool_mode_rtx_true): Declare.
11697 * toplev.c (compile_file): Call output_shared_constant_pool.
11698 * varasm.c (shared_constant_pool): New variable.
11699 (assemble_start_function, assemble_end_function): Remove arguments
11700 from call to output_constant_pool.
11701 (create_constant_pool): New function, split out from...
11702 (init_varasm_status): ...here.
11703 (force_const_mem): Choose between the shared and per-function constant
11704 pools. Set current_function_uses_const_pool when reusing old entries
11705 as well as when creating new ones.
11706 (mark_constant): Ignore data argument.
11707 (mark_constants): Remove pool argument.
11708 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
11709 to decide whether the function uses a constant pool.
11710 (output_constant_pool_contents): New function, split out from...
11711 (output_constant_pool): ...here.
11712 (output_shared_constant_pool): New function.
11713 (init_varasm_once): Initialize shared_constant_pool.
11714 * output.h (output_constant_pool): Delete.
11715 (output_shared_constant_pool): Declare.
11716 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11717 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11719 2006-03-06 Nick Clifton <nickc@redhat.com>
11721 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11722 flag_strength_reduce.
11724 2006-03-06 Ben Elliston <bje@au.ibm.com>
11726 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11727 x86_64-*-linux* configurations.
11729 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11730 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11732 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11734 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11736 * basic-block.h: Remove the extern for
11737 rediscover_loops_after_threading.
11739 * cfgloop.c (cancel_loop): Make it static.
11740 * cfgloop.h: Remove the prototype for cancel_loop.
11742 * flow.c (recompute_reg_usage): Make it static.
11743 * rtl.h: Remove the prototype for recompute_reg_usage.
11745 * function.c (use_return_register): Make it static.
11746 * function.h: Remove the prototype.
11748 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11750 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11752 * recog.h: Remove the prototype for
11753 validate_change_maybe_volatile.
11755 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11757 * rtlanal.c (replace_reg): Remove.
11758 * rtl.h: Remove the prototype for replace_reg.
11760 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11762 * regclass.c (reg_scan_update): Remove.
11763 (reg_scan_mark_refs): Remove the last argument.
11764 * rtl.h: Remove the prototype for reg_scan_update.
11766 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11768 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11769 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11770 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11771 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11772 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11773 loop-invariant.c, omp-low.c, opts.c, passes.c,
11774 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11775 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11776 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11777 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11778 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11779 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11781 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11783 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11784 * dwarf2out.h: Remove the prototype for
11785 dwarf2out_add_library_unit_info.
11787 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11789 * tree.c (add_var_to_bind_expr): Remove.
11790 * tree.h: Remove the prototype for add_var_to_bind_expr.
11792 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11794 * regclass.c (n_non_fixed_regs): Remove.
11795 (init_reg_sets_1, globalize_reg): Remove all uses of
11797 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11799 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11801 * rtlanal.c (insns_safe_to_move_p): Remove.
11802 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11804 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11806 * expmed.c (expand_mult_add): Remove.
11807 * expr.h: Remove the prototype for expand_mult_add.
11809 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11811 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11812 and REG_SAVED_VAL_EXP constants.
11813 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11814 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11815 Handle regs stored by value.
11816 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11817 (execute_cfa_program): Handle DW_CFA_val_offset,
11818 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11819 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11820 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11821 (uw_install_context_1): Handle target regs stored by value.
11823 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11825 * tree-sra.c (tree_sra): Return todoflags;
11826 (generate_one_element): Set TODO_update_smt_usage if needed.
11827 (pass_sra): Remove TODO_update_smt_usage.
11828 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11830 (tree_ssa_forward_propagate_single_use_vars): Return
11831 TODO_update_smt_usage if we need to update SMT usage.
11832 (pass_forwprop): Remove TODO_update_smt_usage.
11834 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11836 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11837 (correct_use_link): Remove reference to get_stmt_operands.
11838 (update_stmt_operands): Likewise.
11839 (get_modify_expr_operands): New function factored out of
11840 parse_ssa_operands and get_expr_operands.
11841 Try to create V_MUST_DEFs for LHS by default.
11842 (get_expr_operands) <case MODIFY_EXPR>: Call
11843 get_modify_expr_operands.
11844 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11845 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11846 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11847 get_modify_expr_operands.
11849 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11851 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11852 * tree-flow.h: Remove the prototype for
11853 referenced_var_lookup_if_exists.
11855 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11857 PR rtl-optimization/26345
11859 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11861 2006-03-03 Roger Sayle <roger@eyesopen.com>
11863 PR tree-optimization/26524
11864 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11865 fold_convert to create a constant of the appropriate type.
11867 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11869 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11870 SYMBOL_REF_IN_BLOCK_P.
11871 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11872 of SYMBOL_FLAG_IN_BLOCK.
11873 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11874 instead of SYMBOL_REF_IN_BLOCK_P.
11875 * explow.c (use_anchored_address): Likewise.
11876 * rtl.c (rtx_size): Likewise.
11877 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11878 instead of SYMBOL_FLAG_IN_BLOCK.
11879 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11880 SYMBOL_REF_IN_BLOCK_P.
11881 (assemble_variable): Likewise.
11882 (output_constant_def_contents): Likewise.
11883 (output_constant_pool): Likewise.
11884 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11885 instead of SYMBOL_FLAG_IN_BLOCK.
11886 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11887 SYMBOL_REF_IN_BLOCK_P.
11888 (SYMBOL_REF_BLOCK): Likewise.
11889 (SYMBOL_REF_OFFSET): Likewise.
11890 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11891 SYMBOL_REF_IN_BLOCK_P.
11892 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11893 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11894 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11895 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11897 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11899 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11901 2006-03-02 Roger Sayle <roger@eyesopen.com>
11903 * simplify-rtx.c (simplify_unary_operation): When simplifying
11904 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11905 that we perform the right shift in the appropriate mode, and
11906 then extend or truncate the result to requested mode.
11908 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11910 * gengtype.c (main): Handle double_int type.
11911 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11912 * double-int.c: New file.
11913 * double-int.h: New file.
11914 * system.h: Include doubleint.h.
11915 * Makefile.in (SYSTEM_H): Include double-int.h.
11916 (double-int.o): Add.
11918 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11921 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11924 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11926 * tree-vrp.c (remove_range_assertions): Do not update statements
11929 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11931 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11933 * gcse.c (rest_of_handle_gcse): Ditto.
11934 * except.c (gate_handle_eh): Ditto.
11935 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11936 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11938 2006-03-02 Eric Christopher <echristo@apple.com>
11940 * config/i386/i386.c (machopic_output_stub): Add indirection to
11943 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11947 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11949 Sun Niagara specific optimizations.
11950 * config.gcc: Recognize niagara as target.
11951 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11952 (TARGET_CPU_niagara): Define.
11953 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11954 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11955 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11956 (ASM_CPU_SPEC): Likewise.
11957 (PROCESSOR_NIAGARA): New enum entry.
11958 (REGISTER_MOVE_COST): Handle Niagara.
11959 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11960 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11961 (sparc_override_options): Recognize "niagara", set appropriate
11962 default MASK_* values for it, and align functions to 32-bytes
11963 by default just like ULTRASPARC/ULTRASPARC3.
11964 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11965 (sparc64_initialize_trampoline): Likewise.
11966 (sparc_use_sched_lookahead): Use zero for niagara.
11967 (sparc_issue_rate): Use one for niagara.
11968 * config/sparc/niagara.md: New file.
11969 * config/sparc/sparc.md: Include it.
11970 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11971 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11972 when default cpu is niagara.
11973 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11974 (ASM_CPU_SPEC): Likewise.
11975 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11976 when default cpu is niagara.
11977 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11978 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11979 just like v9/ultrasparc/ultrasparc3.
11980 * doc/invoke.texi: Add documentation for "niagara" and improve
11981 existing documentation for ultrasparc variants.
11983 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11985 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11987 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11989 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11990 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11991 and say that only one is needed.
11992 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11993 * target.h (have_switchable_bss_sections): New hook.
11994 * explow.c (use_anchored_address): Check that the symbol is in a block.
11995 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11996 (bss_noswitch_section): New variables.
11997 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11998 (get_noswitch_section): New function.
11999 (get_block_for_section): Allow SECT to be null.
12000 (unlikely_text_section_p): Use SECTION_STYLE.
12001 (bss_initializer_p): New function.
12002 (get_variable_section): Move earlier in file. Take a new argument,
12003 prefer_noswitch_p. Move bss checks from assemble_variable to here.
12004 Return one of the new *_sections in such cases.
12005 (get_block_for_decl): New function, extracting some logic from
12006 use_blocks_for_decl_p.
12007 (change_symbol_section): Remove in favor of...
12008 (change_symbol_block): ...this new function.
12009 (use_blocks_for_decl_p): Remove checks now performed by
12010 get_block_for_decl.
12011 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
12012 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
12013 (emit_local, emit_bss, emit_common): ...these new functions.
12014 Return true if the alignment was honored.
12015 (emit_tls_common): New function.
12016 (asm_emit_uninitialised): Delete.
12017 (assemble_variable_noswitch): New function, split out from...
12018 (assemble_variable): ...here. Don't make decisions about common
12019 variables here. Globalize all public decls that go into non-common
12020 sections. Check whether SYMBOL_REF_BLOCK is null.
12021 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
12022 (output_constant_pool): Likewise.
12023 (init_varasm_once): Initialize the new section variables.
12024 (have_global_bss_p): New function.
12025 (categorize_decl_for_section): Use bss_initializer_p.
12026 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
12027 (place_block_symbol): Assert that the symbol must be in a block.
12028 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
12029 (TARGET_INITIALIZER): Include it.
12030 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
12031 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
12032 (SECTION_MACH_DEP): Bump by two.
12033 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
12034 (unnamed_section): Mention SECTION_UNNAMED in comment.
12035 (named_section): Likewise SECTION_NAMED.
12036 (noswitch_section_callback): New type.
12037 (noswitch_section): New structure.
12038 (section): Add a noswitch_section alternative.
12039 (SECTION_STYLE): New macro.
12040 (tls_comm_section, comm_section, lcomm_section): Declare.
12041 (bss_noswitch_section, have_global_bss_p): Declare.
12042 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12043 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12045 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12046 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12049 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
12051 * tree-vrp.c (execute_vrp): Return value.
12052 * regrename.c (rest_of_handle_regrename): Ditto.
12053 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
12054 * tree-complex.c (tree_lower_complex): Ditto.
12055 (tree_lower_complex_O0): Ditto.
12056 * tracer.c (rest_of_handle_tracer): Ditto.
12057 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
12058 * postreload.c (rest_of_handle_postreload): Ditto.
12059 * tree-tailcall.c (execute_tail_recursion): Ditto.
12060 (execute_tail_calls): Ditto.
12061 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12062 * tree.h (init_function_for_compilation): Ditto.
12063 * ipa-cp.c (ipcp_driver): Ditto.
12064 * tree-scalar-evolution.c (scev_const_prop): Ditto.
12065 * tree-scalar-evolution.h (scev_const_prop): Ditto.
12066 * final.c (compute_alignments): Ditto.
12067 (rest_of_handle_final): Ditto.
12068 (rest_of_handle_shorten_branches): Ditto.
12069 (rest_of_clean_state): Ditto.
12070 * omp-low.c (execute_expand_omp): Ditto.
12071 (execute_lower_omp): Ditto.
12072 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
12073 * ipa-reference.c (static_execute): Ditto.
12074 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
12075 * reorg.c (rest_of_handle_delay_slots): Ditto.
12076 (rest_of_handle_machine_reorg): Ditto.
12077 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
12078 * flow.c (recompute_reg_usage): Ditto.
12079 (rest_of_handle_remove_death_notes): Ditto.
12080 (rest_of_handle_life): Ditto.
12081 (rest_of_handle_flow2): Ditto.
12082 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
12083 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
12084 (do_ssa_store_ccp): Ditto.
12085 (execute_fold_all_builtins): Ditto.
12086 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
12087 * modulo-sched.c (rest_of_handle_sms): Ditto.
12088 * ipa-pure-const.c (static_execute): Ditto.
12089 * cse.c (rest_of_handle_cse): Ditto.
12090 (rest_of_handle_cse2): Ditto.
12091 * web.c (rest_of_handle_web): Ditto.
12092 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
12093 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
12094 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
12095 * tree-nrv.c (tree_nrv): Ditto.
12096 (execute_return_slot_opt): Ditto.
12097 * tree-ssa-alias.c (compute_may_aliases): Ditto.
12098 (create_structure_vars): Ditto.
12099 * loop-init.c (rtl_loop_init): Ditto.
12100 (rtl_loop_done): Ditto.
12101 (rtl_move_loop_invariants): Ditto.
12102 (rtl_unswitch): Ditto.
12103 (rtl_unroll_and_peel_loops): Ditto.
12104 (rtl_doloop): Ditto.
12105 * gimple-low.c (lower_function_body): Ditto.
12106 (mark_used_blocks): Ditto.
12107 * tree-ssa-sink.c (execute_sink_code): Ditto.
12108 * ipa-inline.c (cgraph_decide_inlining): Ditto.
12109 (cgraph_early_inlining): Ditto.
12110 * global.c (rest_of_handle_global_alloc): Ditto.
12111 * jump.c (cleanup_barriers): Ditto.
12112 (purge_line_number_notes): Ditto.
12113 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
12114 (rest_of_handle_if_after_reload): Ditto.
12115 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
12116 (tree_ssa_loop_im): Ditto.
12117 (tree_ssa_loop_unswitch): Ditto.
12118 (tree_vectorize): Ditto.
12119 (tree_linear_transform): Ditto.
12120 (tree_ssa_loop_ivcanon): Ditto.
12121 (tree_ssa_empty_loop): Ditto.
12122 (tree_ssa_loop_bounds): Ditto.
12123 (tree_complete_unroll): Ditto.
12124 (tree_ssa_loop_prefetch): Ditto.
12125 (tree_ssa_loop_ivopts): Ditto.
12126 (tree_ssa_loop_done): Ditto.
12127 * predict.c (tree_estimate_probability): Ditto.
12128 * recog.c (split_all_insns_noflow): Ditto.
12129 (rest_of_handle_peephole2): Ditto.
12130 (rest_of_handle_split_all_insns): Ditto.
12131 * tree-eh.c (lower_eh_constructs): Ditto.
12132 * regmove.c (rest_of_handle_regmove): Ditto.
12133 (rest_of_handle_stack_adjustments): Ditto.
12134 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
12135 * function.c (instantiate_virtual_regs): Ditto.
12136 (init_function_for_compilation): Ditto.
12137 (rest_of_handle_check_leaf_regs): Ditto.
12138 * gcse.c (rest_of_handle_jump_bypass): Ditto.
12139 (rest_of_handle_gcse): Ditto.
12140 * ipa-type-escape.c (type_escape_execute): Ditto.
12141 * alias.c (rest_of_handle_cfg): Ditto.
12142 * tree-if-conv.c (main_tree_if_conversion): Ditto.
12143 * profile.c (rest_of_handle_branch_prob): Ditto.
12144 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
12145 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
12146 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
12147 * tree-dfa.c (find_referenced_vars): Ditto.
12148 * except.c (set_nothrow_function_flags): Ditto.
12149 (convert_to_eh_region_ranges): Ditto.
12150 (rest_of_handle_eh): Ditto.
12151 * emit-rtl.c (unshare_all_rtl): Ditto.
12152 (remove_unnecessary_notes): Ditto.
12153 * except.h (set_nothrow_function_flags): Ditto.
12154 (convert_to_eh_region_ranges): Ditto.
12155 * cfgexpand.c (tree_expand_cfg): Ditto.
12156 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
12157 * tree-ssa-pre.c (do_pre): Ditto.
12158 (execute_fre): Ditto.
12159 * cfgcleanup.c (rest_of_handle_jump): Ditto.
12160 (rest_of_handle_jump2): Ditto.
12161 * tree-sra.c (tree_sra): Ditto.
12162 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
12163 (execute_mudflap_function_decls): Ditto.
12164 * tree-ssa-copy.c (do_copy_prop): Ditto.
12165 (do_store_copy_prop): Ditto.
12166 * ipa-prop.h (ipcp_driver): Ditto.
12167 * cfglayout.c (insn_locators_initialize): Ditto.
12168 * tree-ssa-forwprop.c
12169 (tree_ssa_forward_propagate_single_use_vars): Ditto.
12170 * cfglayout.h (insn_locators_initialize): Ditto.
12171 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
12172 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
12173 (execute_late_warn_uninitialized): Ditto.
12174 * rtl.h (cleanup_barriers): Ditto.
12175 (split_all_insns_noflow): Ditto.
12176 (purge_line_number_notes): Ditto.
12177 (unshare_all_rtl): Ditto.
12178 (remove_unnecessary_notes): Ditto.
12179 (recompute_reg_usage): Ditto.
12180 (variable_tracking_main): Ditto.
12181 * integrate.c (emit_initial_value_sets): Ditto.
12182 * integrate.h (emit_initial_value_sets): Ditto.
12183 * tree-optimize.c (execute_free_datastructures): Ditto
12184 (execute_free_cfg_annotations): Ditto.
12185 (execute_fixup_cfg): Ditto.
12186 (execute_cleanup_cfg_pre_ipa): Ditto.
12187 (execute_cleanup_cfg_post_optimizing): Ditto.
12188 (execute_init_datastructures): Ditto.
12189 * tree-object-size.c (compute_object_sizes): Ditto.
12190 * combine.c (rest_of_handle_combine): Ditto.
12191 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
12192 * bb-reorder.c (duplicate_computed_gotos): Ditto.
12193 (rest_of_handle_reorder_blocks): Ditto.
12194 (rest_of_handle_partition_blocks): Ditto.
12195 * var-tracking.c (variable_tracking_main): Ditto.
12196 * tree-profile.c (tree_profiling): Ditto.
12197 * tree-vect-generic.c (expand_vector_operations): Ditto.
12198 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
12199 * sched-rgn.c (rest_of_handle_sched): Ditto.
12200 (rest_of_handle_sched2): Ditto.
12201 * basic-block.h (free_bb_insn): Ditto.
12202 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
12203 * tree-cfg.c (execute_build_cfg): Ditto.
12204 (remove_useless_stmts): Ditto.
12205 (split_critical_edges): Ditto.
12206 (execute_warn_function_return): Ditto.
12207 (execute_warn_function_noreturn): Ditto.
12208 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
12209 * cfgrtl.c (free_bb_for_insn): Ditto.
12210 * passes.c (execute_one_pass): Run additional
12211 todos returned by execute function.
12212 * tree-pass.h (struct tree_opt_pass): Make execute
12215 2006-03-02 Richard Guenther <rguenther@suse.de>
12217 * tree-ssa-alias.c (find_used_portions): Consider taking
12218 the address as making the variable not write-only.
12220 2006-03-02 Nick Clifton <nickc@redhat.com>
12222 * config.gcc (default_use_cxa_atexit): Extend the description of
12223 this configure variable. Set its default value to "yes" for
12224 Linux, NetBSD and ELF targets on the assumption that they will
12225 use C libraries with the __cxa_atexit function.
12227 2006-03-02 Ben Elliston <bje@au.ibm.com>
12229 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
12230 parameter as unused to suppress a build warning.
12232 2006-03-02 Ben Elliston <bje@au.ibm.com>
12234 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
12237 2006-03-01 Roger Sayle <roger@eyesopen.com>
12240 * gthr-posix.h (__gthrw2): Define to take three parameters, the
12241 declared name, the weak reference name, and the typeof name.
12242 (__gthrw): Avoid expanding the declared name suffix.
12243 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
12245 2006-03-01 Jakub Jelinek <jakub@redhat.com>
12247 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
12249 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
12250 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
12251 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
12252 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
12253 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
12254 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
12255 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
12256 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
12257 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
12258 DW_DS_leading_separate, DW_DS_trailing_separate): New.
12259 (DW_END_default, DW_END_big, DW_END_little): New.
12260 (DW_END_lo_user, DW_END_hi_user): Define.
12261 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
12262 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
12263 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
12266 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12268 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
12270 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
12272 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
12274 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
12276 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
12277 to 'symbol_mem_tag'.
12279 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
12282 2006-03-01 Roger Sayle <roger@eyesopen.com>
12284 * builtins.c (fold_builtin_copysign): Delete unreachable code.
12286 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12289 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
12290 MACHO_DYNAMIC_NO_PIC_P.
12291 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
12293 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12296 * config/darwin-protos.h (darwin_asm_output_anchor):
12298 * config/darwin-sections.def (cstring_section):
12299 Add SECTION_MERGE to the flags.
12300 (literal4_section): Likewise.
12301 (literal8_section): Likewise.
12302 (objc_selector_refs_section): Likewise.
12303 (objc_cls_refs_section): Likewise.
12304 * config/darwin.c (darwin_asm_output_anchor): New
12306 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12308 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
12310 Fix PR tree-optimization/26443
12311 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
12312 to todo and PROP_tmt_usage to properties_destroyed.
12313 * tree-ssa-ccp.c (pass_ccp): Ditto.
12314 (pass_store_ccp): Ditto.
12315 * tree-ssa-dom.c (pass_dominator): Ditto.
12317 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12319 * tree-ssa-operands.c: Cleanup whitespace.
12320 (get_asm_expr_operands): Move before first invocation.
12321 (get_indirect_ref_operands): Likewise.
12322 (get_tmr_operands): Likewise.
12323 (get_call_expr_operands): Likewise.
12324 (append_def): Likewise.
12325 (append_use): Likewise.
12326 (append_v_may_def): Likewise.
12327 (append_v_must_def): Likewise.
12328 (add_call_clobber_ops): Likewise.
12329 (add_call_read_ops): Likewise.
12330 (add_stmt_operand): Likewise.
12331 (add_virtual_operand): Likewise.
12332 (build_ssa_operands): Likewise.
12334 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12336 PR middle-end/26022
12338 PR middle-end/24437
12339 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12340 with a call expr to ...
12341 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12343 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12345 * tree-vrp.c (extract_range_from_assert): Remove special
12346 handling for types with super-types.
12348 2006-03-01 Ben Elliston <bje@au.ibm.com>
12350 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
12351 and powerpc64-*-linux* configurations.
12352 * config/t-dfprules: New file.
12354 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
12355 Compile dfp-bit.c from the source directory using -DWIDTH and
12356 $DFP_CFLAGS to control the compilation of that file, rather than
12357 generating width-specific versions in the build directory.
12358 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
12359 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
12361 2006-02-28 Zack Weinberg <zackw@panix.com>
12363 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
12366 2006-02-28 Eric Christopher <echristo@apple.com>
12368 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
12369 Set up IN_LIBGCC definition of TARGET_64BIT.
12370 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
12372 2006-02-28 Roger Sayle <roger@eyesopen.com>
12374 PR middle-end/14752
12375 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
12376 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
12377 cases via the construction of "expr != 0".
12379 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
12381 * alias.c (alias_invariant, alias_invariant_size): Remove.
12382 (record_base_value): Remove.
12383 (memrefs_conflict_p): Don't look at alias_invariant.
12384 (end_alias_analysis): Don't free it.
12385 * alias.h (record_base_value): Remove prototype.
12387 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
12388 Adam Nemet <anemet@caviumnetworks.com>
12390 * rtl.h (truncated_to_mode): Declare it.
12391 (struct rtl_hooks): Add reg_truncated_to_mode hook.
12392 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
12393 (RTL_HOOKS_INITIALIZER): Include it.
12394 * rtlhooks.c (reg_truncated_to_mode_general): New function.
12395 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
12396 reg_truncated_to_mode.
12397 * rtlanal.c (truncated_to_mode): Define it.
12398 * simplify-rtx.c (simplify_unary_operation_1): Use it.
12400 2006-02-28 Jeff Law <law@redhat.com>
12402 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
12403 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
12404 the range allowed by TYPE_PRECISION.
12406 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
12408 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
12410 PR tree-optimization/26419
12411 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
12414 2006-02-27 Zack Weinberg <zackw@panix.com>
12416 * doc/md.texi: Fix typo in previous change.
12418 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
12422 2006-02-27 Zack Weinberg <zackw@panix.com>
12424 * rtl.def (define_constraint, define_register_constraint)
12425 (define_memory_constraint, define_address_constraint): New MD forms.
12426 * gensupport.c (process_rtx): Put define_constraint etc on the
12428 * genpreds.c (process_define_predicate): Adjust comment. Validate
12429 the name, and call validate_exp to validate the expression.
12430 (mark_mode_tests, write_extract_subexp): Can assume correct input.
12431 (write_predicate_expr): Likewise. NAME argument no longer necessary;
12432 all callers changed.
12433 (validate_exp, needs_variable, struct constraint_data)
12434 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
12435 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
12436 (const_dbl_constraints, constraint_max_namelen)
12437 (have_register_constraints, have_memory_constraints)
12438 (have_address_constraints, have_address_constraints)
12439 (have_extra_constraints, have_const_int_constraints)
12440 (have_const_dbl_constraints, mangle, add_constraint)
12441 (process_define_constraint, process_define_register_constraint)
12442 (write_enum_constraint_num, write_lookup_constraint)
12443 (write_insn_constraint_len, write_regclass_for_constraint)
12444 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
12445 (write_insn_extra_memory_constraint)
12446 (write_insn_extra_address_constraint)
12447 (write_satisfies_constraint_fns): New.
12448 (write_tm_preds_h): If we have new-style constraint definitions,
12449 prototype the functions generated from them, and define the
12450 old constraint interface (still used by generic code) in terms of
12452 (write_insn_preds_c): If we have new-style constraint definitions,
12453 generate all relevant functions from those definitions.
12454 (main): Handle define_constraint etc.
12455 * genoutput.c (struct constraint_data, indep_constraints)
12456 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
12457 (mdep_constraint_len): New data structures and functions, defined
12458 #ifdef USE_MD_CONSTRAINTS.
12459 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
12460 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
12461 use new logic to validate operand constraints against constraint
12463 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
12465 * defaults.h: If none of the old-style constraint macros are
12466 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
12467 old-style macros; and poison REG_CLASS_FROM_LETTER,
12468 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
12470 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
12471 * doc/md.texi: Document new constraint-definition mechanism and the
12472 C interface it provides. Remove references to old mechanism
12473 elsewhere in the document.
12474 (Machine Constraints): Use pathnames relative to gcc directory,
12475 i.e. config/ARCH/FILE. Change i386 section to refer to
12476 config/i386/predicates.md; update that section to match docstrings.
12477 * doc/tm.texi: Move all documentation of the old constraint-
12478 definition macros to their own section, clearly mark as obsolete.
12480 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
12481 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
12483 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
12484 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
12485 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
12486 constraint strings.
12487 (splits and peepholes): Use satisfies_constraint_*.
12488 * config/i386/i386.c (memory_address_length)
12489 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
12491 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12493 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
12494 scalar operation to be put back into the loop.
12496 2006-02-27 Jakub Jelinek <jakub@redhat.com>
12499 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
12500 (extract_cie_info): Handle S flag in augmentation string.
12501 (execute_cfa_program): If context->signal_frame, execute also
12502 fs->pc == context->ra instructions.
12503 (uw_frame_state_for): If context->signal_frame, don't subtract one
12504 from context->ra to find FDE.
12505 (uw_update_context_1): Set context->signal_frame to
12507 (_Unwind_GetIPInfo): New function.
12508 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
12509 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
12511 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
12512 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
12513 * unwind-compat.c (_Unwind_GetIPInfo): New function.
12514 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
12515 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
12516 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
12517 * config/i386/linux-unwind.h (x86_fallback_frame_state,
12518 x86_64_fallback_frame_state): Set fs->signal_frame.
12519 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
12520 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
12521 (frob_update_context): Likewise. Workaround missing S flag in
12522 Linux 2.6.12 - 2.6.16 kernel vDSOs.
12523 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
12524 Remove the psw_addr + 1 hack.
12526 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12528 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
12529 with aggregates here.
12530 (find_func_aliases): Remove code for &<aggregate> from here.
12532 2006-02-26 Roger Sayle <roger@eyesopen.com>
12534 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
12535 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
12536 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
12537 as (X & C) ne/eq 0.
12539 2006-02-26 Roger Sayle <roger@eyesopen.com>
12541 PR middle-end/19983
12542 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
12544 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
12546 * opts.c (decode_options): Do not handle flag_strength_reduce.
12547 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
12548 and OPT_fstrength_reduce.
12549 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
12550 flag_prefetch_loop_arrays for being nonzero.
12551 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
12553 (fprefetch-loop-arrays-rtl): Removed.
12554 (flag_prefetch_loop_arrays): Do not specify the value.
12556 * doc/passes.texi: Update documentation of loop optimizer
12558 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
12559 -frerun-loop-opt): Remove.
12561 2006-02-26 Richard Guenther <rguenther@suse.de>
12563 PR tree-optimization/26421
12564 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
12565 in function calls that are ADDR_EXPRs as using the whole structure.
12567 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
12569 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
12570 * tree-pass.h (pass_loop_optimize): Remove.
12571 * passes.c (pass_loop_optimize): Never run it.
12572 * toplev.c (backend_init): Don't call init_loop.
12573 * opts.c (flag_loop_optimize_set): Remove.
12574 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
12575 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
12576 the old RTL loop optimizer when profiling enabled.
12577 * predict.c (tree_estimate_probability): Always strip builtin_expect.
12578 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
12579 pre-headers for the sake of the old RTL loop optimizer.
12580 * Makefile.in: Remove all references to loop.o.
12582 * doc/invoke.texi: Remove all references to -floop-optimize
12583 and -frerun-loop-opt.
12585 2006-02-26 Zack Weinberg <zackw@panix.com>
12587 * doc/md.texi (Machine Constraints): Refer to all files with paths
12588 relative to gcc directory (i.e. config/CPU/file). Add missing
12589 @table @code ... @end table to M32C subsection.
12591 2006-02-26 Roger Sayle <roger@eyesopen.com>
12593 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
12595 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
12597 2006-02-26 Roger Sayle <roger@eyesopen.com>
12598 James A. Morrison <phython@gcc.gnu.org>
12600 PR middle-end/21137
12601 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
12602 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
12603 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
12604 signedness of the shift operation.
12606 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
12608 PR tree-optimization/26359
12609 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
12611 2006-02-25 Roger Sayle <roger@eyesopen.com>
12613 * simplify-rtx.c (simplify_relational_operation_1): Simplify
12614 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
12615 as X == 0, and some symmetry related transformations.
12616 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
12618 2006-02-25 Roger Sayle <roger@eyesopen.com>
12620 PR middle-end/23673
12621 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
12622 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
12623 symmetry related transformations. Fold (X^C1) == C2 as
12626 2006-02-25 Juergen Weigert <jw@suse.de>
12627 Richard Guenther <rguenther@suse.de>
12629 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
12631 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
12633 * combine.c (gen_lowpart_or_truncate): Call
12634 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
12636 2006-02-24 Diego Novillo <dnovillo@redhat.com>
12638 * doc/invoke.texi: Move -fopenmp description to "Options for
12640 Remove reference to -lgomp.
12642 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12644 * doc/install.texi: Require GNU tar version 1.14.
12646 2006-02-24 Geoffrey Keating <geoffk@apple.com>
12648 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
12649 * doc/invoke.texi (C++ Dialect Options): Document
12650 -fno-use-cxa-get-exception-ptr.
12651 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
12652 * configure: Regenerate.
12653 * c.opt (fuse-cxa-get-exception-ptr): New.
12654 * c-opts.c (c_common_handle_option): Handle
12655 OPT_fuse_cxa_get_exception_ptr.
12656 * c-common.c (flag_use_cxa_atexit): Update documentation.
12657 (flag_use_cxa_get_exception_ptr): New.
12658 * c-common.h (flag_use_cxa_get_exception_ptr): New.
12659 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
12661 (C_COMMON_OVERRIDE_OPTIONS): New.
12663 2006-02-24 Roger Sayle <roger@eyesopen.com>
12665 PR middle-end/24952
12666 * combine.c (try_combine): Explicitly check whether GET_CODE is
12667 a SET or a CLOBBER, instead on checking that it isn't a USE.
12669 2006-02-24 Roger Sayle <roger@eyesopen.com>
12671 * fold-const.c (fold_comparison): New subroutine of fold_binary
12672 containing transformations common to both the equality and
12673 ordering relational operators, factored out of fold_binary.
12674 (fold_binary): Separate out the equality operators (EQ_EXPR
12675 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
12676 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
12677 transformations common to both.
12678 (fold_div_compare): Fix latent bugs in the previously unreachable
12679 LT_EXPR and GE_EXPR cases.
12681 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12683 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12684 decl libname for clog to __clog on AIX.
12686 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12688 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12691 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12692 output traceback table for thunks. Localise rs6000_stack_info call.
12694 2006-02-23 Roger Sayle <roger@eyesopen.com>
12695 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12697 * gthr-posix.h (__gthrw): Fix typo in comment.
12699 2006-02-23 Geoffrey Keating <geoffk@apple.com>
12701 * doc/cpp.texi (Character sets): Document that we do support
12702 input files to be in any character set.
12704 2006-02-23 Jeff Law <law@redhat.com>
12706 * tree.h (PHI_ARG_NONZERO): Remove.
12707 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12708 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12709 node to the new node.
12711 PR tree-optimization/26425
12712 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12713 min/max, then assume its varying.
12715 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12717 PR rtl-optimization/26316
12718 * rtlanal.c (enum may_trap_p_flags): New.
12719 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
12720 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12721 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12722 (may_trap_after_code_motion_p): New function.
12723 * loop-invariant.c (find_identical_invariants): Fix dump formating.
12724 (find_invariant_insn): Use may_trap_after_code_motion_p.
12725 * rtl.h (may_trap_after_code_motion_p): Declare.
12727 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12729 * emit-rtl.c (immed_double_const): Cleanup.
12731 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12733 Fix PR tree-optimization/26376
12734 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12737 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12739 PR middle-end/26412
12740 * gimplify.c (omp_add_variable): Guard variable size decl test with
12741 DECL_SIZE (decl) check.
12743 2006-02-23 Richard Guenther <rguenther@suse.de>
12745 PR middle-end/26439
12746 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12747 like aggregate types.
12749 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12751 * configure.ac: Add --with{,out}-long-double-128 configure option.
12752 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12753 * configure: Rebuilt.
12754 * config.in: Rebuilt.
12755 * doc/install.texi (Options specification): Document
12756 --with-long-double-128.
12758 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12759 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12760 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12761 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12763 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12765 * config/s390/s390.c (override_options): Handle
12766 TARGET_DEFAULT_LONG_DOUBLE_128.
12768 * config/alpha/alpha.c (override_options): Handle
12769 TARGET_DEFAULT_LONG_DOUBLE_128.
12771 * config/sparc/sparc.c (sparc_override_options): Handle
12772 TARGET_DEFAULT_LONG_DOUBLE_128.
12774 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12776 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12777 (real-install-headers-tar, real-install-headers-cpio)
12778 (real-install-headers-cp): New targets.
12780 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12782 * tree.h (variable_section): Delete.
12783 * varasm.c (variable_section): Delete.
12785 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12787 * install.texi: Add notes on install.texi2html.
12788 (Building in parallel): Do not use footnotes.
12790 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12793 * doc/install.texi (Configuration): Document --disable-libgomp.
12795 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12797 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12799 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12801 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12802 (vec_extractv2df_0_sse): New.
12804 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12806 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12807 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12808 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12809 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12810 to the result of the expression.
12811 (def_cfa_1): Adjust.
12812 (frame_pointer_cfa_offset): Rename to...
12813 (frame_pointer_fb_offset): ... this. Adjust all uses.
12814 (convert_cfa_to_loc_list): Rename to...
12815 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12816 Pass it on to build_cfa_loc.
12817 (compute_frame_pointer_to_cfa_displacement): Rename to...
12818 (compute_frame_pointer_to_fb_displacement): ... this. New
12819 offset parameter. Use it in computation.
12820 (gen_subprogram_die): Compute cfa_fb_offset with the new
12821 macro, and use it to compute the fb loc list and the
12824 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12826 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12827 replaced with register_operand.
12828 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12829 non-DREG is expensive.
12830 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12831 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12834 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12836 * doc/install.texi2html: Use set -e.
12838 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12840 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12841 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12842 * doc/invoke.texi (-fshared-data): Delete.
12843 * common.opt (fshared-data): Delete.
12844 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12845 (assemble_static_space): Remove #if 0 code.
12846 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12847 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12848 * config/cris/cris.h: Remove FIXME.
12850 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12852 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12855 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12857 PR middle-end/26379
12858 * combine.c (simplify_shift_const_1): Disable nested shifts
12859 optimization for vector shifts.
12861 2006-02-20 Roger Sayle <roger@eyesopen.com>
12863 PR tree-optimization/26361
12864 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12865 of unsigned integer types.
12867 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12869 * tree-chrec.c (eq_evolutions_p): New.
12870 * tree-chrec.h (eq_evolutions_p): Declared.
12871 * tree-data-ref.c: Fix formatting.
12872 (datadep_stats, dependence_stats): New.
12874 (print_direction_vector): New.
12875 (dump_data_dependence_relation): Use print_direction_vector.
12876 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12877 (compute_subscript_distance): Static.
12878 (initialize_data_dependence_relation): Static. Get the number
12879 of loops surrounding the references from the callers, and initialize
12880 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12881 base_object_differ_p analyzers.
12882 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12883 compute_overlap_steps_for_affine_1_2,
12884 analyze_subscript_affine_affine): Count the classified dependences.
12885 Print a message when a test failed.
12886 (can_use_analyze_subscript_affine_affine): New.
12887 (analyze_siv_subscript): Compute the data dependences on symbolic
12888 scevs that verify can_use_analyze_subscript_affine_affine.
12889 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12890 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12891 Handle symbolic scevs.
12892 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12894 (subscript_dependence_tester): Moved...
12895 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12896 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12897 DDR_SIZE_VECT instead of getting it in parameter.
12898 (subscript_dependence_tester): ... here. Take as a parameter
12899 loop_nest_depth. Call build_classic_dist_vector and
12900 build_classic_dir_vector.
12901 (compute_affine_dependence): Update subscript_dependence_tester
12902 parameters. Update datadep_stats counters. Call
12903 compute_subscript_distance.
12904 (compute_self_dependence): Save the dist and dir vectors. Call
12905 compute_subscript_distance.
12906 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12907 (compute_all_dependences): Reorder parameters as they were before
12908 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12909 compute_subscript_distance. Update the use of
12910 compute_affine_dependence and initialize_data_dependence_relation.
12911 (find_data_references_in_loop): Handle COMPONENT_REF.
12912 (compute_data_dependences_for_loop): Initialize dependence_stats.
12913 Don't call build_classic_dist_vector and build_classic_dir_vector.
12914 Update the parameters of initialize_data_dependence_relation and
12915 compute_all_dependences. Print the statistics from datadep_stats.
12916 (analyze_all_data_dependences): Static. Not used until the pass for
12917 checking the data dependences is contributed.
12918 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12919 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12920 (initialize_data_dependence_relation, compute_affine_dependence,
12921 analyze_all_data_dependences, compute_subscript_distance): Removed.
12922 (print_direction_vector): New.
12923 * lambda.h (gcd): ... here.
12924 (lambda_vector_gcd): Moved here from gcd_vector.
12925 * lambda-code.c (gcd, gcd_vector): Removed.
12926 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12927 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12929 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12931 * ipa-type-escape.c: Tidy some comments and white space.
12932 * tree-ssa-operands.c: Likewise.
12934 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12937 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12938 (dump_decl_name): Do not walk the decl tree chains.
12939 * tree-pass.h (TDF_CHAIN): Remove.
12941 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12943 * Makefile.in (C): Remove
12945 (.PHONY): Remove C and PROTO
12947 2006-02-20 Roger Sayle <roger@eyesopen.com>
12949 PR middle-end/26236
12950 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12951 deprecated CHAR_TYPE tree code.
12953 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12955 * configure.ac (target_list): Add install-info, dvi, html.
12956 * configure: Regenerate.
12958 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12959 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12960 treelang/Make-lang.in: Do not use double-colon rules.
12962 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12964 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12965 (TMT_USED_ALONE): New macro.
12966 * tree-pass.h (PROP_tmt_usage): New property.
12967 (TODO_update_tmt_usage): New todo.
12968 * tree-ssa-alias.c (updating_used_alone): New variable.
12969 (recalculate_used_alone): New function.
12970 (compute_may_aliases): Set updating_used_alone, call
12971 recalculate_used_alone.
12972 * tree-sra.c (pass_sra): Note that this pass destroys
12973 PROP_tmt_usage, and add TODO_update_tmt_usage.
12974 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12975 * tree-flow.h (updating_used_alone): Prototype.
12976 (recalculate_used_alone): Ditto.
12977 * passes.c (execute_todo): Add code to set updating_used_alone,
12978 and call recalculate.
12979 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12980 for clobber if used alone, and add assert to verify used_alone
12983 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12985 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12986 for non tls symbols added.
12987 (legitimize_address): Do nothing for PLUS expressions if one of the
12988 addends is a tls symbol reference.
12990 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12994 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12996 * Makefile.in (BOOTSTRAPPING): New.
12997 (quickstrap): New definition if BOOTSTRAPPING=yes.
12999 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
13000 * configure.ac: Substitute all_selected_languages with the languages
13001 that were configured. For all the other variables except
13002 lang_specs_files, include all the languages in the tree.
13003 * configure: Regenerate.
13005 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
13006 if there is one. Run the commands to run fixincludes in the same
13009 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
13010 * doc/install.texi: Document exact conventions for searching target tools.
13011 Document --with-build-time-tools. Document toplevel bootstrap. Document
13012 something more about building an Ada cross-compiler. Don't list GNU Make
13013 requirements which affect all platforms.
13015 2006-02-19 Roger Sayle <roger@eyesopen.com>
13017 PR middle-end/19543
13018 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
13019 only equivalent if the have both the same mode and precision.
13021 2006-02-20 Ben Elliston <bje@au.ibm.com>
13023 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
13025 2006-02-19 Roger Sayle <roger@eyesopen.com>
13026 Steven Bosscher <stevenb.gcc@gmail.com>
13028 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
13029 constant pool references to identify stack mode constants.
13030 * rtlanal.c (constant_pool_constant_p): New predicate to check
13031 whether operand is a floating point constant in the pool.
13032 * rtl.h (constant_pool_constant_p): Prototype here.
13033 * loop.c (scan_loop): Avoid hoisting constants from the constant
13034 pool on STACK_REGS targets.
13035 (load_mems): Likewise.
13036 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
13037 loads into x87 registers expensive in terms of register pressure.
13039 2006-02-19 Roger Sayle <roger@eyesopen.com>
13041 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
13042 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
13044 2006-02-19 David Edelsohn <edelsohn@gnu.org>
13046 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13047 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
13049 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
13051 * doc/invoke.texi: Document -fipa-pta.
13052 * common.opt: Add ipa-pta option.
13053 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
13054 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
13055 (do_ds_constraint): Ditto.
13056 (get_constraint_for): Only add to referenced_vars if
13057 referenced_vars exists.
13058 (insert_into_field_list): Rewrite to do this unsorted.
13059 (insert_into_field_list_sorted): Rename old insert_into_field_list
13061 (create_function_info_for): Use insert_into_field_list_sorted.
13062 (create_variable_info_for): Rewrite so it uses unsorted version,
13063 since the field list is sorted.
13064 (intra_create_variable_infos): Only add to referenced_vars if
13065 referenced_vars exists.
13066 (ipa_pta_execute): Init heapvars, and delete when done.
13067 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
13069 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13071 * doc/install.texi: Add missing `@samp'.
13073 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13075 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
13078 2006-02-18 Mark Wielaard <mark@klomp.org>
13080 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
13081 who added new 4.1 features, bug fixes and integration support.
13083 2006-02-18 David Edelsohn <edelsohn@gnu.org>
13086 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
13087 MEM for ABI_V4 pic.
13089 2006-02-18 Richard Sandiford <richard@codesourcery.com>
13091 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
13092 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
13093 (copy_insn_1): Likewise. Don't copy each field individually.
13095 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
13097 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
13098 * rtl.c (rtx_size): Rename variable to...
13099 (rtx_code_size): ...this.
13100 (rtx_size): New function.
13101 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
13102 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
13104 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
13105 * rtl.h (rtx_code_size): New variable.
13106 (rtx_size): Change from a variable to a function.
13107 (RTX_SIZE): Rename to...
13108 (RTX_CODE_SIZE): ...this.
13111 PR tree-optimization/17106
13112 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
13113 (Anchored Addresses): New section.
13114 * doc/invoke.texi (-fsection-anchors): Document.
13115 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
13116 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
13117 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
13118 * hooks.c (hook_bool_mode_rtx_false): New function.
13119 * hooks.h (hook_bool_mode_rtx_false): Declare.
13120 * gengtype.c (create_optional_field): New function.
13121 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
13122 SYMBOL_REF_IN_BLOCK_P is true.
13123 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
13124 (min_anchor_offset, max_anchor_offset): Likewise.
13125 (use_anchors_for_symbol_p): New hook.
13126 * toplev.c (compile_file): Call output_object_blocks.
13127 (target_supports_section_anchors_p): New function.
13128 (process_options): Check that -fsection-anchors is only used on
13129 targets that support it and when -funit-at-a-time is in effect.
13130 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
13131 if the decl doesn't have one.
13132 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
13133 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
13134 of force_const_mem through use_anchored_address.
13135 (expand_expr_constant): New function.
13136 (expand_expr_addr_expr_1): Call it. Use the same modifier when
13137 calling expand_expr for INDIRECT_REF.
13138 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
13139 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
13140 * expr.h (use_anchored_address): Declare.
13141 * loop-unroll.c: Don't declare rtx vectors here.
13142 * explow.c: Include output.h.
13143 (validize_mem): Call use_anchored_address.
13144 (use_anchored_address): New function.
13145 * common.opt (-fsection-anchors): New switch.
13146 * varasm.c (object_block_htab, anchor_labelno): New variables.
13147 (hash_section, object_block_entry_eq, object_block_entry_hash)
13148 (use_object_blocks_p, get_block_for_section, create_block_symbol)
13149 (use_blocks_for_decl_p, change_symbol_section): New functions.
13150 (get_variable_section): New function, split out from assemble_variable.
13151 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
13152 use_blocks_for_decl_p say so. Use change_symbol_section if the
13153 symbol has already been created.
13154 (assemble_variable_contents): New function, split out from...
13155 (assemble_variable): ...here. Don't output any code for
13156 block symbols; just pass them to place_block_symbol.
13157 Use get_variable_section and assemble_variable_contents.
13158 (get_constant_alignment, get_constant_section, get_constant_size): New
13159 functions, split from output_constant_def_contents.
13160 (build_constant_desc): Create a block symbol if use_object_blocks_p
13161 says so. Or into SYMBOL_REF_FLAGS.
13162 (assemble_constant_contents): New function, split from...
13163 (output_constant_def_contents): ...here. Don't output any code
13164 for block symbols; just pass them to place_section_symbol.
13165 Use get_constant_section and get_constant_alignment.
13166 (force_const_mem): Create a block symbol if use_object_blocks_p and
13167 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
13168 (output_constant_pool_1): Add an explicit alignment argument.
13169 Don't switch sections here.
13170 (output_constant_pool): Adjust call to output_constant_pool_1.
13171 Switch sections here instead. Don't output anything for block symbols;
13172 just pass them to place_block_symbol.
13173 (init_varasm_once): Initialize object_block_htab.
13174 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
13175 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
13176 (place_block_symbol, get_section_anchor, output_object_block)
13177 (output_object_block_htab, output_object_blocks): New functions.
13178 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
13179 (TARGET_ASM_OUT): Include it.
13180 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
13181 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
13182 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
13183 (TARGET_INITIALIZER): Include them.
13184 * rtl.c (rtl_check_failed_block_symbol): New function.
13185 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
13186 (block_symbol, object_block): New structures.
13187 (rtx_def): Add a block_symbol field to the union.
13188 (BLOCK_SYMBOL_CHECK): New macro.
13189 (rtl_check_failed_block_symbol): Declare.
13190 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
13191 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
13192 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
13193 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
13194 * output.h (output_section_symbols): Declare.
13195 (object_block): Name structure.
13196 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
13197 (default_use_anchors_for_symbol_p): Declare.
13198 * Makefile.in (RTL_BASE_H): Add vec.h.
13199 (explow.o): Depend on output.h.
13200 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
13201 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13202 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13203 (rs6000_use_blocks_for_constant_p): New function.
13205 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13207 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
13209 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13212 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
13215 2006-02-18 Diego Novillo <dnovillo@redhat.com>
13217 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
13221 2006-02-18 Jakub Jelinek <jakub@redhat.com>
13223 PR middle-end/26334
13224 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
13225 instead of DECL_REGISTER.
13227 2006-02-18 Olivier Hainque <hainque@adacore.com>
13230 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
13232 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
13235 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
13236 * opth-gen.awk: Handle Var and InverseMask together.
13237 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
13238 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
13239 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
13240 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
13242 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13243 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13244 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
13245 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13246 LINUX_DYNAMIC_LINKER): Define.
13247 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
13248 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
13250 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13251 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
13252 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13253 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13254 (TARGET_C99_FUNCTIONS): Don't define.
13255 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
13256 GLIBC_DYNAMIC_LINKER.
13257 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
13258 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
13259 GLIBC_DYNAMIC_LINKER64): Define.
13260 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13261 LINUX_DYNAMIC_LINKER64.
13262 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13263 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13264 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
13265 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13266 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13267 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13268 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
13269 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
13270 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
13271 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
13272 and LINUX_DYNAMIC_LINKER32.
13273 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13274 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13275 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
13276 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13277 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
13279 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
13280 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
13281 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13282 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13283 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13284 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
13285 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
13286 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
13287 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13288 LINUX_DYNAMIC_LINKER): Define.
13289 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
13290 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
13291 GLIBC_DYNAMIC_LINKER64): Define.
13292 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13293 LINUX_DYNAMIC_LINKER64.
13294 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13295 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13296 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
13297 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13298 LINUX_DYNAMIC_LINKER): Define.
13299 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13300 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13301 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
13302 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
13303 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
13304 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13305 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
13306 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
13307 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13308 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13309 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13310 * doc/invoke.texi (-muclibc): Remove caveat about supported
13313 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
13315 * doc/cpp.texi (__TIMESTAMP__): Document.
13317 2006-02-17 Roger Sayle <roger@eyesopen.com>
13319 PR middle-end/25600
13320 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
13321 C is one less than the width of X (and related transformations).
13322 * simplify-rtx.c (simplify_unary_operation_1): Transform
13323 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
13324 depending on STORE_FLAG_VALUE, were C is one less then the
13327 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
13329 Fix PR tree-optimization/26341
13330 * tree-ssa-operands.c (add_virtual_operand): Remove assert
13331 about NAME_MEMORY_TAG's.
13333 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13336 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
13337 with hardware float support, and software float support. Add fcpy
13338 alternative to hardware patterns. Add alternatives to copy between
13339 general and floating-point registers to the 32-bit pattern.
13340 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
13341 secondary reload to load a QI or HI mode constant into a floating
13343 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
13344 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
13346 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
13349 * config/rs6000/darwin.md (load_macho_picbase_si): Add
13351 (load_macho_picbase_di): Likewise.
13353 2006-02-16 Jeff Law <law@redhat.com>
13355 * tree-vrp.c (set_value_range_to_nonnegative): New function.
13356 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
13357 (ssa_name_nonzero_p): Likewise.
13358 (get_value_range): Return NULL if VRP is not running.
13359 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
13360 VRP routines do not discover a range.
13361 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
13362 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
13363 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
13364 (tree_expr_nonnegative_p): Similarly.
13365 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
13366 (restore_nonzero_vars_to_original_value): Remove.
13367 (unsafe_associative_fp_binop): Remove.
13368 (tree_ssa_dominator_optimize): Remove initialization and
13369 finalization of nonzero_vars and nonzero_vars_stack.
13370 (dom_opt_initialize_block): No longer push marker on
13371 nonzero_vars_stack.
13372 (dom_opt_finalize_block): No longer call
13373 restore_nonzero_vars_to_original_value.
13374 (record_equivalences_from_phis): No longer look for
13375 nonzero PHI arguments.
13376 (cprop_into_successor_phis): No longer propagate nonzero
13377 property into PHI arguments. Lose unused argument. Caller
13379 (record_equivalences_from_stmt): No longer record nonzero
13380 values for SSA_NAMEs.
13381 (lookup_avail_expr): No longer use nonzero_vars.
13383 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
13384 for sizetype when sizetype is unsigned.
13386 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
13388 PR rtl-optimization/25603
13389 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
13390 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
13391 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
13392 with new meaning of SETS.
13394 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
13399 * config/linux.opt: New file.
13400 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
13401 LINUX_DYNAMIC_LINKER): Define.
13402 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
13403 * config.gcc (*-*-linux*): Define extra_options.
13404 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
13405 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13406 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
13407 GLIBC_DYNAMIC_LINKER.
13408 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
13409 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13410 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13411 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13412 * doc/invoke.texi (GNU/Linux Options): New section.
13414 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
13416 * config/sparc/sparc.md (setjmp): Rewrite.
13417 (setjmp_32): Delete.
13418 (setjmp_64): Likewise.
13420 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
13422 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
13425 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13427 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
13430 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13432 PR rtl-optimization/26296
13433 * Makefile.in (loop-invariant.c): Add except.h dependency.
13434 * loop-invariant.c: Include except.h.
13435 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
13437 2005-02-16 Paul Brook <paul@codesourcery.com>
13439 * reload1.c (emit_reload_insns): Invalidate dead input registers used
13442 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
13444 PR rtl-optimization/25636
13445 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
13446 when deciding whether an insn is an initializing insn.
13448 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
13450 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
13451 (tree_code_size): Ditto.
13452 * tree.h (struct tree_memory_tag): Remove parent_var.
13453 (struct tree_struct_field_tag): New.
13456 (union tree_node): Add sft member.
13457 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
13459 (create_sft): Add size and offset argument, set SFT_OFFSET and
13461 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
13462 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
13463 * tree-flow-inline.h (get_subvar_at): Update for
13464 SFT_OFFSET/SFT_SIZE.
13465 (var_can_have_subvars): Ditto.
13466 (overlap_subvar): Ditto.
13467 * print-tree.c (print_node): Print out interesting things for
13469 * tree-flow.h (struct subvar): Remove offset and size members.
13470 * tree-ssa-operands.c (get_expr_operands): Update for
13471 get_indirect_ref_operands changes.
13472 (get_indirect_ref_operands): Call add_virtual_operand instead of
13473 add_stmt_operand. Only recurse on base var if requested.
13474 (access_can_touch_variable): New function.
13475 (add_stmt_operand): Split virtual operand handling into ...
13476 (add_virtual_operand): Here. Add offset, size, and for_clobber
13477 arguments. Prune alias sets.
13478 (add_call_clobber_ops): Call add_virtual_operand.
13480 2006-02-15 Jakub Jelinek <jakub@redhat.com>
13482 PR middle-end/26300
13483 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
13485 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
13486 than TREE_CODE as index into omp_clause_num_ops array.
13488 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
13490 PR rtl-optimization/26184
13491 * modulo-sched.c (generate_reg_moves): Free bitmap vector
13493 * modulo-sched.c (sms_schedule): Free g_arr pointer.
13494 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
13495 must_precede, must_follow and tobe_scheduled.
13498 * opts.c (common_handle_option): Free new_option pointer.
13499 * df-core.c (df_analyze): Free postorder pointer.
13501 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13503 * Makefile.in: Fix the examples about the use of stamps
13505 2006-02-15 Michael Matz <matz@suse.de>
13507 PR middle-end/22275
13509 * stor-layout.c (layout_decl): Zero-width bitfields aren't
13510 influenced by maximum_field_alignment or DECL_PACKED.
13511 (update_alignment_for_field): Ditto.
13512 (place_field): Ditto.
13513 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
13516 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
13518 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
13519 (debug_flow_info): Pass it.
13520 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
13521 * bb-reorder.c (reorder_basic_blocks): Likewise.
13522 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
13523 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
13524 * flow.c (life_analysis, recompute_reg_usage): Likewise.
13525 * gcse.c (gcse_main, bypass_jumps): Likewise.
13526 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
13527 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
13528 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
13529 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
13530 * rtl.h (dump_flow_info): Adjust prototype.
13531 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
13532 * var-tracking.c (variable_tracking_main): Likewise.
13533 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
13534 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
13537 2006-02-15 Marcin Dalecki <martin@dalecki.de>
13539 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
13542 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13544 PR tree-optimization/26209
13545 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
13546 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
13548 * tree-cfg.c (replace_uses_by): Do not alter cfg.
13550 2006-02-14 Roger Sayle <roger@eyesopen.com>
13552 PR middle-end/23670
13553 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
13554 (X,Y) and the corresponding symmetry related transformations.
13555 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
13556 (X,Y) and its symmetry related transformations.
13558 2006-02-14 Roger Sayle <roger@eyesopen.com>
13560 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
13563 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
13565 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
13567 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13570 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
13571 support COMDAT group.
13572 * configure: Regenerate.
13574 2006-02-14 Roger Sayle <roger@eyesopen.com>
13576 PR middle-end/26279
13577 PR middle-end/26280
13578 PR middle-end/26283
13579 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
13581 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
13583 Fix PR tree-optimization/26260
13585 * doc/invoke.texi (max-fields-for-field-sensitive): Document
13587 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
13588 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
13589 * tree-ssa-structalias.c (create_variable_info_for): Use
13590 MAX_FIELDS_FOR_FIELD_SENSITIVE.
13592 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13594 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
13596 * tree-ssa-loop-niter.c (number_of_iterations_ne,
13597 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
13598 of the ending condition.
13599 * tree-ssa-loop-manip.c: Include params.h.
13600 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
13601 tree_unroll_loop): New functions.
13602 * tree-pass.h (pass_loop_prefetch): Declare.
13603 * loop.c (rest_of_handle_loop_optimize): Test for
13604 -fprefetch-loop-arrays-rtl.
13605 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
13606 * timevar.def (TV_TREE_PREFETCH): New timevar.
13607 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
13608 pass_loop_prefetch): New.
13609 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
13610 (cleanup_tree_cfg_loop): Call scev_reset.
13611 * common.opt (fprefetch-loop-arrays-rtl): Add.
13612 * tree-ssa-loop-prefetch.c: New file.
13613 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
13614 (new_temp_expr_table): Initialize expr_vars.
13615 (free_temp_expr_table): Cleanup expr_vars.
13616 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
13617 expressions from being merged into one.
13618 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
13619 (struct tree_niter_desc): Add control, bound and cmp fields.
13620 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
13622 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
13623 (tree-cfgcleanup.o): Add SCEV_H dependency.
13624 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
13625 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
13627 2006-02-14 Richard Guenther <rguenther@suse.de>
13629 PR tree-optimization/26258
13630 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
13631 in PHI argument processing.
13633 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
13635 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
13636 new expression in the requested machine mode.
13638 2006-02-13 Roger Sayle <roger@eyesopen.com>
13640 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
13641 directly, instead let do_compare_rtx_and_jump handle this for us.
13642 * expr.c (expand_expr_real_1): Likewise.
13643 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
13644 before do_jump_by_parts_greater.
13645 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
13646 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
13648 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13650 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
13652 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13654 PR rtl-optimization/26235
13655 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
13656 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
13659 2006-02-13 Jeff Law <law@redhat.com>
13661 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
13664 2006-02-13 Jakub Jelinek <jakub@redhat.com>
13666 PR middle-end/26092
13667 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
13668 twice if decl is a builtin. When trying again, call get_callee_fndecl
13669 first to verify it is still a builtin.
13671 2006-02-13 Geoffrey Keating <geoffk@apple.com>
13673 * dwarf2out.c (base_type_die): Don't add AT_name here.
13674 (subrange_type_die): Don't add AT_name here.
13675 (modified_type_die): Rearrange code flow. Do add AT_name here.
13677 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13679 PR rtl-optimization/26247
13680 PR rtl-optimization/26248
13681 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13683 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13685 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13686 * config/fixtfdi.c: Likewise.
13687 * config/fixunstfdi.c: Likewise.
13688 * config/floatditf.c: Likewise.
13690 2006-02-13 Roger Sayle <roger@eyesopen.com>
13692 PR middle-end/24427
13693 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13694 into (X,C2) if C1 is a subset of the bits of C2. Transform
13695 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13697 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13699 2006-02-13 Josh Conner <jconner@apple.com>
13702 * varasm.c (function_section): Check for section name before
13703 calling select_section on targets that define
13704 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
13705 unlikely_text_section instead of hot_function_section if
13706 first_function_block_is_cold.
13708 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
13710 PR middle-end/25335
13711 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13713 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13715 PR rtl-optimization/26222
13716 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13717 after tree->rtl expansion.
13718 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13719 before passing it to emit_move_insn.
13721 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
13723 * doc/invoke.texi (-Write-strings): Document that it is enabled by
13725 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13726 Clarify documentation.
13727 * c-common.h (warn_write_strings): Remove.
13728 * c-common.c (warn_write_strings): Likewise.
13729 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13732 2006-02-12 Roger Sayle <roger@eyesopen.com>
13734 PR middle-end/25724
13735 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13736 (do_jump_parts_zero_rtx): New function renamed from
13737 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13738 (do_jump_parts_equality_rtx): New function split out from
13739 do_jump_parts_equality. Old implementation renamed as above.
13740 Call do_jump_parts_zero_rtx if either operand is zero.
13741 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13742 do all of the heavy lifting.
13743 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13744 calling either do_jump_by_parts_greater_rtx or
13745 do_jump_by_parts_equality_rtx.
13746 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13747 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13748 moved to do_compare_rtx_and_jump, call it directly.
13749 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13750 mode argument. Call do_compare_rtx_and_jump.
13751 (emit_case_nodes): Update calls to do_jump_if_equal.
13753 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13755 PR rtl-optimization/26225
13756 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13758 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13760 PR rtl-optimization/26232
13761 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13763 2006-02-11 Jason Merrill <jason@redhat.com>
13766 * tree-inline.c (declare_return_variable): Just don't use the
13767 modify target if it's a gimple complex reg and the return slot
13770 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13772 * doc/contrib.texi: Update my entry.
13774 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13776 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13778 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13780 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13783 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13785 * doc/invoke.texi (-floop-optimize2): Removed.
13786 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13787 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13788 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13789 * common.opt (floop-optimize2): Removed.
13790 (fmove-loop-invariants): Enabled by default.
13792 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13794 * tree-if-conv.c (combine_blocks): Free the result of
13795 get_loop_exit_edges.
13797 2006-02-10 Jeff Law <law@redhat.com>
13799 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13801 PR tree-optimization/26213
13802 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13803 loop trying to follow SSA_NAME_VALUE chains.
13805 2006-02-10 Richard Guenther <rguenther@suse.de>
13807 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13808 deal with structures that end in implicitly variable sized arrays.
13810 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13812 PR rtl-optimization/24762
13813 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13816 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13818 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13819 (struct ivopts_data): Add regs_used field.
13820 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13821 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13822 instead of loop_data->regs_used;
13823 (free_loop_data): Do not free aux fields for loops.
13824 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13825 and tree_ssa_iv_optimize_finalize.
13827 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13829 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13831 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13834 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13835 computing the effective result type.
13837 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13839 PR inline-asm/16194
13840 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13841 (tree_overlaps_hard_reg_set): Declare.
13842 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13843 type and signature to match function type expected by walk_tree.
13844 (tree_overlaps_hard_reg_set): New function.
13845 (decl_conflicts_with_clobbers_p): Rename to:
13846 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13847 Use tree_overlaps_hard_reg_set. Changed caller.
13848 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13849 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13850 * cris.c (cris_md_asm_clobbers): Likewise.
13852 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13854 * reload1.c (emit_input_reload_insns): Delete code that tries to
13855 inherit using find_equiv_reg.
13857 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13859 * c-common.h (flag_const_strings): Don't declare.
13860 * c-common.c (flag_const_strings): Remove.
13861 * c.opt (fconst_strings): Remove.
13862 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13863 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13864 (c_common_init_options): Don't set flag_const_strings.
13865 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13867 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13869 * arm.md (tlobits_cbranch): New pattern.
13870 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13871 testing a single bit.
13873 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13876 * tree-ssa-pre.c (create_component_ref_by_pieces):
13877 Handle RETURN_DECL like VAR_DECL.
13879 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13881 PR middle-end/26134
13882 * fold-const.c (fold_indirect_ref_1): Fold
13883 "*(foo *)&complexfoo" to "__real__ complexfoo"
13884 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13886 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13888 * tree-flow-inline.h (var_can_have_subvars):
13889 Volatile variables should not have subvariables.
13891 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13894 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13895 multiplying unsigned values.
13898 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13900 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13902 2006-02-08 Jason Merrill <jason@redhat.com>
13905 * tree.def: Elaborate on difference from MODIFY_EXPR.
13906 * doc/c-tree.texi (INIT_EXPR): Likewise.
13907 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13908 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13909 (gimplify_target_expr): Likewise.
13910 (gimplify_cond_expr): Remove target handling.
13911 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13912 (gimplify_expr): Clobber it here.
13913 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13914 Do return slot optimization if we have an INIT_EXPR.
13917 * tree-inline.c (declare_return_variable): Also clear
13918 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13921 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13923 PR middle-end/22439
13924 * gimplify.c (gimplify_one_sizepos): Fix typo.
13926 2006-02-08 Jeff Law <law@redhat.com>
13928 PR tree-optimization/21417
13929 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13930 across a backedge if the control statement at the end of the
13931 block is data dependent on other statements in the same block.
13932 (record_temporary_equivalences_from_stmts): Remove over-conservative
13933 test for threading across backedges.
13935 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13936 control statement, handle all three special cases in the same
13937 manner as they all have the same desired solution. No longer
13938 special case edge flag updating when the post dominator is
13941 2006-02-08 Roger Sayle <roger@eyesopen.com>
13943 * tree.def (CHAR_TYPE): Remove.
13944 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13945 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13946 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13947 (gen_string_type_die): Delete unreachable function.
13949 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13950 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13951 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13952 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13953 * builtins.c (type_to_class): Likewise.
13954 * fold-const.c (fold_convert, build_range_check,
13955 merge_ranges): Likewise.
13956 * expr.c (count_type_elements): Likewise.
13957 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13958 * stor-layout.c (layout_type): Likewise.
13959 * ipa-type-escape.c (type_to_consider): Likewise.
13960 * gimplify.c (omp_firstprivatize_type_sizes,
13961 gimplify_type_sizes): Likewise.
13962 * explow.c (promote_mode): Likewise.
13963 * tree-sra.c (is_sra_scalar_type): Likewise.
13964 * varasm.c (output_constant): Likewise.
13965 * tree-inline.c (remap_type_1): Likewise.
13966 * convert.c (convert_to_pointer, convert_to_real,
13967 convert_to_integer, convert_to_complex): Likewise.
13969 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13971 * df-scan.c (df_def_record_1): A set destination may
13972 be a parallel regardless of mode.
13974 2006-02-08 Roger Sayle <roger@eyesopen.com>
13977 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13978 * config/mips/_tilib.c: Remove.
13979 * config/fixtfdi.c: New libgcc source file.
13980 * config/fixunstfdi.c: New source file.
13981 * config/floatditf.c: New source file.
13982 * config/floatunditf.c: New souce file.
13983 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13984 files above instead of config/mips/_tilib.c.
13985 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13987 2006-02-08 Jeff Law <law@redhat.com>
13989 PR tree-optimization/26169
13990 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13993 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13995 * df.h (DF_REG_SIZE): Return the length of the initialized
13998 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
14000 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
14001 __muldf3): Return a correctly signed zero.
14003 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
14005 * passes.c (register_one_dump_file): Accept the current properties
14006 instead of pass number. Adjust call to dump_register. Remove
14008 (register_dump_files): Now a wrapper around...
14009 (register_dump_files_1): ... this one. Do not modify the pass
14011 (next_pass_1): Cosmetic fix.
14012 (execute_todo): Keep second parameter only. Use curr_properties
14013 instead of fetching it from the pass structure. Check and set
14015 (execute_one_pass): Handle TODO_set_props. Use curr_properties
14016 instead of fetching it from the pass structure. Fix calls to
14017 execute_todo. Update curr_properties and initialize .vcg RTL dump
14018 after running the pass. Reset last_verified.
14019 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
14021 (FIRST_AUTO_NUMBERED_DUMP): New.
14022 (dump_register): Remove "num" parameter, assign it within the
14024 (get_dump_file_name): Modify template for dumps.
14025 * tree-dump.h (dump_register): Adjust prototype.
14026 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
14027 (PROP_trees): Add PROP_gimple_lomp.
14028 (TODO_set_props): New.
14029 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
14030 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
14031 * cfgexpand.c (pass_expand): Destroy PROP_trees.
14033 2006-02-08 Jakub Jelinek <jakub@redhat.com>
14035 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
14036 (sparc64-*-linux*): Likewise.
14037 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
14038 * config/sparc/t-linux: New file.
14039 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
14040 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
14041 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
14042 -m32 -mlong-double-128.
14044 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
14045 * config/alpha/t-linux: New file.
14046 * config/alpha/libgcc-alpha-ldbl.ver: New file.
14048 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
14049 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
14050 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
14051 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
14052 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
14053 (CPP_ARCH32_SPEC): Remove.
14055 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
14057 PR tree-optimization/26145
14058 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
14061 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14064 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
14065 >= 240000 when generating code for SOM runtime.
14066 (output_indirect_call): Don't use "b,l" instruction for indirect calls
14067 to $$dyncall when generating code for SOM runtime..
14069 2006-02-07 Dirk Mueller <dmueller@suse.com>
14072 * doc/invoke.texi (-Wsequence-point): Update documentation
14073 that -Wsequence-point is implemented for C++ as well.
14075 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14077 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
14078 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
14079 (LIB_SPEC): Likewise.
14080 * doc/invoke.texi (SPARC options): Document -pthread.
14082 2006-02-07 Geoffrey Keating <geoffk@apple.com>
14084 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
14087 2006-02-07 Roger Sayle <roger@eyesopen.com>
14089 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
14090 Correct comment describing BOOLEAN_TYPE.
14092 2006-02-07 Dirk Mueller <dmueller@suse.com>
14094 * c.opt: C++ frontend supports -Wdiv-by-zero.
14095 * c-opts.c (c_common_handle_option): Remove dead case.
14097 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14099 * configure.ac (TLS assembler check): Do not enable TLS by
14100 default on SPARC/Solaris before version 10.
14101 * configure: Regenerate.
14103 2006-02-07 David Edelsohn <edelsohn@gnu.org>
14105 * doc/invoke.texi (xl-compat): Document conversion and support
14108 2006-02-07 Jeff Law <law@redhat.com>
14110 * tree-vrp.c (find_conditional_asserts): Update comments.
14111 (simplify_stmt_for_jump_threading): New.
14112 (identify_jump_threads, finalize_jump_threads): New.
14113 (vrp_finalize): Call identify_jump_threads.
14114 (execute_vrp): Call finalize_jump_threads.
14115 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
14116 (vrp_element, vrp_data, vrp_element_p): Remove.
14117 (vrp_hash_elt, vrp_variables_stack): Remove.
14118 (vrp_hash, vrp_eq, record_range): Remove.
14119 (simplify_cond_and_lookup_avail_expr): Remove.
14120 (extract_range_from_cond): Remove.
14121 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
14122 (simplify_stmt_for_jump_threading): New.
14123 (dom_thread_across_edge): New wrapper.
14124 (tree_ssa_dominator_optimize): No longer initialize or
14125 finalize any of the VRP datastructures. Remove iteration
14126 step and simplify as a result of removal of iteration step.
14127 (pass_dominator): Perform a cfg cleanup after DOM.
14128 (dom_opt_finalize_block): Use the new common routines
14129 for threading jumps. Simplify stack management slightly.
14130 No longer need to unwind VRP state.
14131 (record_equivalences_from_incoming_edge): No longer record
14133 (eliminate_redundant_computations): No longer call
14134 simplify_cond_and_lookup_avail_expr.
14135 * tree-flow.h (potentially_threadable_block): Prototype.
14136 (thread_across_edge): Likewise.
14137 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
14138 (tree-ssa-threadedge.o): Add dependencies.
14139 * tree-ssa-threadedge.c: New file.
14140 * passes.c (init_optimization_passes): Merge PHIs before
14141 calling VRP. Run VRP again late in the SSA optimization pipeline.
14143 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14145 * df-core.c (df_set_blocks): Do not dereference function pointers.
14146 (df_finish1): Likewise.
14147 (df_hybrid_search_forward): Likewise.
14148 (df_hybrid_search_backward): Likewise.
14149 (df_iterative_dataflow): Likewise.
14150 (df_analyze_problem): Likewise.
14151 (df_compact_blocks): Likewise.
14152 (df_dump): Likewise.
14153 * df-scan.c (df_rescan_blocks): Likewise.
14154 (df_record_entry_block_defs): Likewise.
14156 * genconditions.c (write_conditions): Guard the definition of
14157 'insn_conditions' with the check on GCC version.
14158 (write_writer): Guard the traversal 'insn_conditions' with
14159 the check on GCC version.
14161 2006-02-07 Richard Guenther <rguenther@suse.de>
14165 2006-01-30 Richard Guenther <rguenther@suse.de>
14167 * gimplify.c (gimplify_target_expr): Handle easy cases
14168 without creating a temporary.
14170 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
14172 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
14173 use of float in probability computations. Use edge probabilities
14174 in place of statically computed probabilities.
14175 (min_spec_prob): New static variable.
14176 (schedule_insns): Initialize it.
14177 (GET_SRC_PROB): Removed.
14178 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
14180 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
14183 * config/ia64/unwind-ia64.c: Revert last change.
14184 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
14185 (INCOMING_FRAME_SP_OFFSET): Define.
14187 2006-02-06 Roger Sayle <roger@eyesopen.com>
14189 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
14191 2006-02-07 Ben Elliston <bje@au.ibm.com>
14193 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
14194 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
14195 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
14196 (ix86_return_in_memory): Handle TDmode.
14197 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
14198 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
14200 2006-02-06 Richard Sandiford <richard@codesourcery.com>
14202 * reorg.c (dbr_schedule): Use dump_file instead of file.
14204 2006-02-06 Steve Ellcey <sje@cup.hp.com>
14207 * config/ia64/predicates.md (extr_len_operand): New predicate.
14208 * config/ia64/ia64.md (extv): Tighten constraints.
14210 (*tbit_and_2): Ditto.
14211 (*tbit_and_3): Ditto.
14212 (*tbit_or_2): Ditto.
14213 (*tbit_or_3): Ditto.
14214 (*bit_zero): Ditto.
14217 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
14220 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
14222 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14224 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
14225 loop_optimizer_init and loop_optimizer_finalize
14226 * tree-ssa-sink.c (execute_sink_code): Ditto.
14227 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14228 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
14229 tree_ssa_loop_done): Ditto.
14230 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
14231 * sched-ebb.c: Include output.h.
14232 (schedule_ebbs): Do not use dump argument.
14233 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
14234 * loop.c (loop_dump_stream): Removed.
14235 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
14237 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
14238 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
14239 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
14240 loop_iterations, strength_reduce, record_biv, record_giv,
14241 final_giv_value, check_final_value, check_ext_dependent_givs,
14242 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
14243 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
14244 dump_file instead of loop_dump_stream.
14245 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
14246 argument dump_file.
14247 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
14249 * flow.c (life_analysis, rest_of_handle_life): Ditto.
14250 * haifa-sched.c: Include output.h
14251 (schedule_insns, sched_init): Do not use dump argument.
14252 * mode-switching.c (optimize_mode_switching): Ditto.
14253 * modulo-sched.c (stats_file): Removed.
14254 (print_node_sched_params): Do not call argument dump_file.
14255 (sms_schedule_by_order, loop_canon_p, sms_schedule,
14256 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
14258 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
14260 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
14261 rtl_loop_init, rtl_loop_done): Ditto.
14262 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
14263 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
14265 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
14266 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
14267 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
14268 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
14269 * emit-rtl.c (renumber_insns): Ditto.
14270 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
14271 expand_gimple_basic_block, tree_expand_cfg): Ditto.
14272 * regclass.c (regclass): Ditto.
14273 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
14274 remove_ssa_form, rewrite_out_of_ssa): Ditto.
14275 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
14276 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
14278 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
14279 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
14281 * gcse.c (gcse_file, debug_stderr): Removed.
14282 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
14283 rest_of_handle_gcse): Do not use dump argument.
14284 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
14285 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
14286 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
14287 compute_code_hoist_vbeinout, compute_code_hoist_data,
14288 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
14289 compute_store_table, build_store_vectors, insert_insn_start_bb,
14290 insert_store, remove_reachable_equiv_notes, replace_store_insn,
14291 store_motion): Use dump_file instead of gcse_file.
14292 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
14293 * profile.c (profile_dump_file): Removed.
14294 (branch_prob): Use dump_file instead of profile_dump_file.
14295 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
14297 * tree-ssa-copy.c (dump_copy_of): Ditto.
14298 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
14299 dump file to life_analysis.
14300 * bt-load.c (branch_target_load_optimize): Ditto.
14301 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
14303 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
14304 regclass, dbr_schedule): Declaration changed.
14305 * sched-int.h (sched_init): Declaration changed.
14306 * tree-profile.c (tree_profile_dump_file): Removed.
14307 (tree_profile_hooks): Removed profile_dump_file hook.
14308 * rtl-profile (rtl_profile_dump_file): Removed.
14309 (rtl_profile_hooks): emoved profile_dump_file hook.
14310 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
14312 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
14313 * tree-cfg.c (build_tree_cfg): Ditto.
14314 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
14315 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
14316 Declaration changed.
14317 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
14318 life_analysis and schedule_insns.
14319 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
14321 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
14323 * config/mips/mips.c (mips_reorg): Ditto.
14324 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
14327 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
14329 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14330 (s390_mangle_fundamental_type): New.
14331 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14334 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14335 (alpha_mangle_fundamental_type): New.
14336 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14339 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14341 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14343 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14344 (sparc_mangle_fundamental_type): New.
14346 2006-02-06 Jakub Jelinek <jakub@redhat.com>
14348 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
14349 (s390x-*-linux*): Likewise.
14350 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
14351 * config/s390/t-linux: New file.
14353 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14355 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
14356 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
14358 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
14360 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
14361 (ANTIC_SAFE_LOADS): New macro.
14362 (find_or_generate_expression): Add prototype.
14363 (set_contains_value): Allow null set for sake of not always having
14364 to allocate ANTIC_SAFE_LOADS.
14365 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
14366 Allow COMPONENT_REF too.
14367 (valid_in_set): Allow COMPONENT_REF.
14368 Check ANTIC_SAFE_LOADS too.
14369 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
14370 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
14372 (can_PRE_operation): Add COMPONENT_REF.
14373 (create_component_ref_by_pieces): New function.
14374 (create_expression_by_pieces): Use create_component_ref_by_pieces.
14375 (insert_aux): Move AGGREGATE_TYPE_P check here.
14376 (compute_avail): Set bb local stmt uids.
14377 (pass_pre): Use TODO_update_ssa_only_virtuals.
14379 2006-02-06 Ben Elliston <bje@au.ibm.com>
14381 * configure.ac: Unconditionally disable decimal float by default.
14382 * configure: Regenerate.
14384 2006-02-06 Ben Elliston <bje@au.ibm.com>
14386 * read-rtl.c (read_name): Terminate reading on EOF.
14388 2006-02-06 Ben Elliston <bje@au.ibm.com>
14390 * dfp.c (decimal_real_arithmetic): Change second argument type
14391 from int to enum tree_code. Do not always return true, but now
14392 return result of any call to decimal_do helper functions.
14393 * dfp.h (decimal_real_arithmetic): Update prototype.
14395 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14397 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
14399 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
14402 * tree-cfg.c (cleanup_dead_labels): Also don't remove
14405 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14407 * tree-vrp.c (cfg_loops): Removed.
14408 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
14409 Use current_loops instead of cfg_loops. Pass flags to
14410 loop_optimizer_init.
14411 * cfgloopmanip.c (fix_loop_structure): Update only available
14413 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
14414 loop_optimizer_init.
14415 * modulo-sched.c (build_loops_structure): Removed.
14416 (sms_schedule): Use loop_optimizer_init.
14417 * loop-init.c (loop_optimizer_init): Use flags to determine
14418 which properties of loops to prepare.
14419 (rtl_loop_init): Pass flags to loop_optimizer_init.
14420 * tree-ssa-sink.c (execute_sink_code): Ditto.
14421 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14422 * tree-ssa-pre.c (init_pre): Ditto.
14423 * cfgloop.h (LOOPS_NORMAL): New.
14424 (loop_optimizer_init): Declaration changed.
14426 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14428 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
14429 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
14431 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
14433 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
14435 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
14436 * pa/t-pa64: Delete quadlib.c rule.
14437 * pa/x-ada: Revert last change.
14438 * pa/t-pa: Revert last change. Delete quadlib.c rule.
14440 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14442 PR rtl-optimization/26087
14443 * rtlanal.c (canonicalize_condition): Do not cross basic block
14446 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
14449 * config/ia64/ia64.c: Include debug.h.
14450 (MAX_ARTIFICIAL_LABEL_BYTES): New.
14451 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
14452 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
14453 (process_epilogue, process_set, process_for_unwind_directive):
14454 Output unwind info only if requested. Add CFA info if requested.
14455 Add new arguments as needed. Adjust callers.
14456 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
14458 (DWARF2_FRAME_INFO): Define to zero.
14459 * config/ia64/unwind-ia64.c: Remove code that compensated for
14460 the CFA offset error fixed above.
14461 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
14462 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
14463 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
14464 -funwind-tables and -fexceptions to enable frame info.
14465 (dwarf2out_frame_init): Define initial CFA even if
14466 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
14467 DWARF2_UNWIND_INFO is nonzero, not just defined.
14468 (dwarf2out_frame_finish): Output non-EH call frame info only
14469 if DWARF2_FRAME_INFO is nonzero.
14470 (convert_cfa_to_loc_list,
14471 compute_frame_pointer_to_cfa_displacement): Define even if
14472 unwind info is not supported.
14473 (gen_subprogram_die): Use the above unconditionally. Remove
14474 legacy alternate code.
14475 * toplev.c (compile_file): Compile in call to
14476 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
14477 (lang_dependent_init): Ditto for dwarf2out_frame_init.
14479 2006-02-04 David Edelsohn <edelsohn@gnu.org>
14480 Jakub Jelinek <jakub@redhat.com>
14482 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
14483 IBM extended float format long double as "g" on powerpc*-linux.
14485 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14488 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
14489 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
14491 2006-02-03 Jason Merrill <jason@redhat.com>
14494 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
14496 PR middle-end/25977
14497 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
14498 on the return slot if it's an NRV.
14500 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
14502 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
14503 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
14504 rewrite_use): Do not handle USE_OUTER.
14505 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
14506 add_iv_outer_candidates, may_replace_final_value,
14507 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
14508 (find_interesting_uses_op): Functionality of
14509 find_interesting_uses_outer_or_nonlin moved here.
14510 (find_interesting_uses_outside): Use find_interesting_uses_op.
14512 2006-02-03 Alan Modra <amodra@bigpond.net.au>
14515 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
14517 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
14518 Ulrich Weigand <uweigand@de.ibm.com>
14521 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
14522 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
14523 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
14524 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
14526 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
14527 (s390_rtx_costs): Use the new fields to calculate rtx costs.
14528 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
14529 Define secondary reloads for TFmode moves.
14530 (constant_modes): Add TFmode.
14531 (NR_C_MODES): Set to 8.
14532 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
14534 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
14535 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
14536 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
14537 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
14538 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
14539 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
14540 (FPR mode macro): Add TFmode.
14541 (DSF mode macro): New.
14542 (<de>, <dee> mode attributes): Removed.
14543 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
14544 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
14545 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
14546 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
14547 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
14548 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
14549 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
14550 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
14551 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
14552 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
14553 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
14554 "*negabs<mode>2", "sqrt<mode>2"):
14555 Changed <de> to <xde>. R constraint replaced by <Rf>.
14556 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
14558 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
14559 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
14560 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
14562 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
14563 "extenddftf2", "extendsftf2"): New expanders.
14564 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
14565 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
14566 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
14567 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
14569 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
14570 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
14571 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
14572 __floatditf): Add a GCC_4.1.0 symbol version tag.
14573 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
14576 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
14579 * config/i386/i386.c (ix86_function_ok_for_sibcall):
14580 Use targetm.binds_local_p instead of TREE_PUBLIC.
14582 2006-02-02 Roger Sayle <roger@eyesopen.com>
14584 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
14585 on INTEGER_TYPEs to indicate that it denotes a character type.
14586 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
14587 signed_char_type_node, unsigned_char_type_node and char_type_node.
14588 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
14589 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
14590 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
14592 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
14593 Daniel Berlin <dberlin@dberlin.org>
14595 * tree-tailcall.c (arg_needs_copy_p): New function.
14596 (eliminate_tail_call): Use arg_needs_copy_p.
14597 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
14598 (add_virtual_phis): New function.
14600 2006-02-02 Jakub Jelinek <jakub@redhat.com>
14602 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
14603 #ignore instead of #scratch for %g7 .register directive.
14605 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
14607 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
14610 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14612 * flow.c (calculate_global_regs_live): Assert that there aren't any
14615 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
14617 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
14618 what its name says.
14619 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
14620 bsi_after_labels iterator.
14621 * tree-if-conv.c (find_phi_replacement_condition,
14622 replace_phi_with_cond_modify_expr): Likewise.
14623 * tree-scalar-evolution.c (scev_const_prop): Likewise.
14624 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
14626 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14628 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
14630 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14633 * tree-cfg.c (move_block_to_fn): Clear out the basic block
14634 array after growing it.
14636 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14638 PR middle-end/24901
14639 * fold-const.c (fold_checksum_tree): Change type of buf.
14641 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
14643 * reload.c (push_secondary_reload): Initialize t_icode.
14645 2006-02-01 Jakub Jelinek <jakub@redhat.com>
14647 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
14648 -msoft-float -mlong-double-128 only issue a warning, but don't
14649 swich to DFmode long double.
14651 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
14653 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
14654 has a constant equivalent, iterate over equivalents for arg0,
14655 calling simplify_relational_operation and if there's a result
14656 cheaper than X, apply fold_rtx and return the result.
14658 2006-02-01 Jan Hubicka <jh@suse.cz>
14660 * opts.c (no_unit_at_a_time_default): New global variable.
14661 (decode_options): Use it.
14662 * opts.h (no_unit_at_a_time_default): Declare.
14664 2006-02-01 Paul Brook <paul@codesourcery.com>
14666 * function.c (assign_parm_setup_reg): Use function argument promotion
14668 * expr.c (expand_expr_real_1): Use function argument promotion rules
14671 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14673 * gcc.c (process_command): Change j to 'unsigned int'.
14675 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14677 PR middle-end/26001
14678 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
14679 Use the corrected index for the character
14680 out of the string constant.
14682 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14684 * mode-switching.c (optimize_mode_switching): Fix size
14685 allocated for bb_info[n_entities].
14687 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14689 * gcc.c (main): Correct type that is allocated for
14690 explicit_link_files.
14692 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14694 * config/s390/s390.c (init_alignment_context): Set
14695 ALIAS_SET_MEMORY_BARRIER on the MEM.
14696 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14698 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
14700 PR middle-end/25933
14701 * loop-unroll.c (unroll_loop_runtime_iterations): Free
14703 * tree-ssa-live.c (type_var_init): Allocate bitmap after
14706 2006-01-31 Marcin Dalecki <martin@dalecki.de>
14708 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14709 * regrename.c: Ditto.
14710 * tree-ssa-loop-im.c: Ditto.
14711 * tree-dump.c: Ditto.
14712 * tree-complex.c: Ditto.
14713 * genrecog.c: Ditto.
14714 * tree-ssa-threadupdate.c: Ditto.
14716 * java/class.c: Ditto.
14717 * java/jcf-parse.c: Ditto.
14718 * java/resource.c: Ditto.
14719 * java/except.c: Ditto.
14720 * java/jvspec.c: Ditto.
14721 * java/jcf-write.c: Ditto.
14722 * java/jcf-path.c: Ditto.
14723 * java/gjavah.c: Ditto.
14724 * java/zextract.c: Ditto.
14725 * java/jcf-io.c: Ditto.
14726 * java/jcf.h: Ditto.
14727 * java/buffer.c: Ditto.
14728 * java/lang.c: Ditto.
14729 * java/parse-scan.y: Ditto.
14730 * java/lex.c: Ditto.
14731 * java/lex.h: Ditto.
14732 * cfgloopmanip.c: Ditto.
14733 * postreload-gcse.c: Ditto.
14734 * tree-ssa-loop-manip.c: Ditto.
14735 * postreload.c: Ditto.
14736 * tree-ssa-loop-ch.c: Ditto.
14739 * cppspec.c: Ditto.
14740 * diagnostic.c: Ditto.
14742 * genoutput.c: Ditto.
14744 * cfghooks.c: Ditto.
14745 * cfgloopanal.c: Ditto.
14746 * objc/objc-act.c: Ditto.
14748 * genextract.c: Ditto.
14749 * genautomata.c: Ditto.
14750 * pretty-print.c: Ditto.
14751 * genemit.c: Ditto.
14752 * cgraphunit.c: Ditto.
14754 * df-scan.c: Ditto.
14755 * haifa-sched.c: Ditto.
14756 * dominance.c: Ditto.
14758 * tree-ssa-loop-ivopts.c: Ditto.
14759 * df-core.c: Ditto.
14760 * mode-switching.c: Ditto.
14761 * modulo-sched.c: Ditto.
14763 * ipa-pure-const.c: Ditto.
14765 * fix-header.c: Ditto.
14767 * tree-stdarg.c: Ditto.
14768 * ipa-utils.c: Ditto.
14769 * loop-init.c: Ditto.
14770 * ipa-inline.c: Ditto.
14771 * cfganal.c: Ditto.
14773 * alloc-pool.c: Ditto.
14774 * dwarf2out.c: Ditto.
14776 * genattrtab.c: Ditto.
14777 * tree-ssa-loop-ivcanon.c: Ditto.
14778 * predict.c: Ditto.
14779 * timevar.c: Ditto.
14781 * fortran/gfortranspec.c: Ditto.
14782 * regmove.c: Ditto.
14783 * local-alloc.c: Ditto.
14784 * langhooks.c: Ditto.
14785 * function.c: Ditto.
14786 * tree-vectorizer.c: Ditto.
14788 * ipa-type-escape.c: Ditto.
14790 * tree-if-conv.c: Ditto.
14791 * profile.c: Ditto.
14793 * tree-data-ref.c: Ditto.
14794 * loop-unroll.c: Ditto.
14795 * treelang/treetree.c: Ditto.
14797 * bt-load.c: Ditto.
14798 * ggc-common.c: Ditto.
14800 * coverage.c: Ditto.
14802 * tree-cfgcleanup.c: Ditto.
14803 * tree-ssa-pre.c: Ditto.
14804 * cfgcleanup.c: Ditto.
14805 * loop-invariant.c: Ditto.
14806 * loop-iv.c: Ditto.
14807 * ipa-prop.c: Ditto.
14808 * print-tree.c: Ditto.
14809 * conflict.c: Ditto.
14810 * ggc-page.c: Ditto.
14811 * sched-deps.c: Ditto.
14812 * regclass.c: Ditto.
14813 * tree-object-size.c: Ditto.
14814 * combine.c: Ditto.
14815 * bb-reorder.c: Ditto.
14816 * resource.c: Ditto.
14817 * var-tracking.c: Ditto.
14818 * cfgloop.c: Ditto.
14819 * df-problems.c: Ditto.
14820 * reg-stack.c: Ditto.
14822 * gccspec.c: Ditto.
14823 * sched-rgn.c: Ditto.
14824 * tree-ssa-structalias.c: Ditto.
14825 * tree-ssa-reassoc.c: Ditto.
14826 * config/darwin-c.c: Ditto.
14827 * config/darwin.c: Ditto.
14828 * config/arm/arm.c: Ditto.
14830 * collect2.c: Ditto.
14831 * reload1.c: Ditto.
14833 2006-01-31 Nicolas Pitre <nico@cam.org>
14835 * arm.md (smaxsi3): Make aware of smax_m1.
14838 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14840 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14842 2006-01-31 Richard Guenther <rguenther@suse.de>
14844 * doc/invoke.texi (-msselibm): Document.
14845 * target.h (expand_library_builtin): New target hook.
14846 * builtins.c (expand_builtin): Use expand_library_builtin.
14847 (default_expand_library_builtin): New function.
14848 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14849 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14850 (link_gcc_math_spec): Declare.
14851 (static_specs): Add link_gcc_math_spec.
14852 * expr.h (default_expand_library_builtin): Declare.
14853 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14854 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14855 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14856 * config/i386/i386.opt (msselibm): New target option.
14857 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14858 (ix86_init_sse_abi_builtins): New function.
14859 (ix86_expand_library_builtin): Likewise.
14860 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14861 (override_options): Handle error conditions wrt -msselibm.
14862 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14863 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14864 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14867 2006-01-31 Richard Guenther <rguenther@suse.de>
14868 Paolo Bonzini <bonzini@gnu.org>
14870 * doc/install.texi (--disable-libgcc-math): Document.
14872 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14874 * expr.h (expand_normal): new inline function.
14875 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14876 * dojump.c: use it.
14877 * dwarf2out.c: use it.
14880 * expmed.c: use it.
14881 * except.c: use it.
14882 * config/sparc/sparc.c: use it.
14883 * config/i386/i386.c: use it.
14884 * config/rs6000/rs6000.c: use it.
14885 * config/arm/arm.c: use it.
14886 * config/mips/mips.c: use it.
14887 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14889 2006-01-30 Roger Sayle <roger@eyesopen.com>
14891 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14892 argv to the appropriate type.
14894 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14896 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14899 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14902 * config/s390/s390.c (struct machine_function): New flag
14903 decomposed_literal_pool_addresses_ok_p.
14904 (s390_reorg): Set it before final stage of literal pool transforms.
14905 (s390_decompose_address): Only accept displacements of the form
14906 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14908 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14910 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14911 the comparison routine return.
14913 2006-01-30 Michael Matz <matz@suse.de>
14915 * global.c (find_reg): Only evict for global regs.
14916 Take n_refs into account and dump more info.
14918 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14921 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14922 (pragma_trap, pragma_nosave_low_regs): Likewise.
14923 (current_function_anonymous_args): Likewise.
14924 (sh_deferred_function_attributes): New variable.
14925 (sh_deferred_function_attributes_tail): Likewise.
14926 (print_operand): For '@', look up trap_exit attribute.
14927 (calc_live_regs): Look up trapa_handler attribute. For trapa
14928 handlers, save/restore fpscr, but don't do any other
14929 interrupt-specific saves.
14930 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14931 Fix check for partially saved registers to check for SHmedia.
14932 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14933 (sh_output_function_epilogue): Don't clear any of the removed
14935 (sh_insert_attributes): Don't check pragma_interrupt.
14936 Insert deferred attributes. Check that interrupt attribute is
14937 present for other attributes that require its presence.
14938 (sh_attribute_table): Add new attributes trapa_handler and
14940 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14941 Don't check for pragma_interrupt. Don't store argument.
14942 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14943 (sh_deferred_function_attributes): Declare.
14944 (sh_deferred_function_attributes_tail): Likewise.
14945 * sh.md (sp_switch_1): Add operand. Change generator caller.
14946 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14947 (*return_i): Don't use when trap_exit attribute is in effect.
14948 (*return_trapa): New insn pattern.
14949 * sh-c.c: New file.
14950 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14951 setting c_target_objs and cxx_target_objs.
14952 * t-sh: Add rule for sh-c.o.
14954 2006-01-30 Richard Guenther <rguenther@suse.de>
14957 * gimplify.c (gimplify_target_expr): Handle easy cases
14958 without creating a temporary.
14960 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14962 * vec.h (safe_grow): Remove duplicated line.
14964 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14967 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14968 (expand_omp): ... here.
14969 (expand_omp_parallel): Only remove barriers for combined
14970 parallel+workshare constructs.
14972 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14976 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14977 * tree.c (build_qualified_type): Chain the new type to the original
14978 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14979 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14980 (build_pointer_type_for_mode): Only return unqualified types.
14981 (build_reference_type_for_mode): Likewise.
14983 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14985 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14986 * Makefile.in (CXX_COMPAT_WARN): Define.
14987 * configure: Regenerate.
14989 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14992 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14995 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14997 * toplev.c: Fix thinko.
14999 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15000 Marcin Dalecki <martin@dalecki.de>
15002 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
15003 (push_srcloc): Use XNEW.
15004 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
15006 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
15008 * df-core.c (df_set_blocks): Deleted all variable.
15010 2006-01-28 Ian Lance Taylor <ian@airs.com>
15012 * cgraphunit.c (cgraph_assemble_pending_functions): Call
15013 cgraph_output_pending_asms.
15015 2006-01-28 Zack Weinberg <zackw@panix.com>
15017 * c.opt: Add -W(no-)overlength-strings.
15018 * doc/invoke.texi: Document it.
15019 * c-opts.c (c_common_handle_option): -pedantic implies
15020 -Woverlength-strings, if not explicitly disabled already.
15021 (c_common_post_options): -Woverlength-strings defaults to off, and
15022 is always off for C++.
15023 * c-common.c (fix_string_type): Issue warning about strings longer
15024 than is portable only if warn_overlength_strings. Rearrange code
15025 a little for clarity.
15026 * configure.in: Check for -Wno-overlength-strings as well before
15027 enabling -pedantic in stage 1.
15028 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
15029 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
15031 * genconditions.c (write_header, write_one_condition)
15032 (write_conditions, write_writer): Consolidate very long strings
15033 that were broken up to fit in C89 portable limit. Don't use
15034 printf when fputs will do.
15036 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
15038 * combine.c (simplify_comparison <AND>): Check
15039 TRULY_NOOP_TRUNCATION before start using a subreg.
15041 * config/mips/mips.md (*branch_zero<mode>,
15042 *branch_zero<mode>_inverted, *branch_equality<mode>,
15043 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
15044 Remove mode check from comparisons.
15046 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
15048 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
15050 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15052 * expmed.c (const_mult_add_overflow_p): Remove.
15053 * expr.h: Remove the prototype for const_mult_add_overflow_p.
15055 * recog.c (validate_replace_rtx_subexp): Remove.
15056 * recog.h: Remove the prototype for
15057 validate_replace_rtx_subexp.
15059 * integrate.h: Remove the prototype for
15060 copy_decl_for_inlining.
15061 * rtl.h: Remove the prototype for mark_constant_function.
15062 * tree-vectorizer.h: Remove the prototype for
15063 vect_strip_conversion.
15065 * modulo-sched.c (create_partial_schedule,
15066 free_partial_schedule, reset_partial_schedule): Make them
15069 * hooks.c (hook_bool_rtx_int_false): Remove.
15070 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
15072 2006-01-28 David Edelsohn <edelsohn@gnu.org>
15074 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15075 and -mlong-double-128 are incompatible.
15076 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
15077 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
15078 (TARGET_LIBGCC2_CFLAGS): Define.
15079 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
15080 (TARGET_LIBGCC2_CFLAGS): Same.
15081 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
15083 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15086 * c-typeck.c (build_binary_op): Perform implicit casts of
15087 operands before shortening them.
15089 * cfgloopmanip.c (split_loop_bb): Remove.
15090 * cfgloop.h: Remove the prototype for split_loop_bb.
15092 * cfgloop.c (flow_loop_outside_edge_p): Remove.
15093 * cfgloop.h: Remove the prototype for
15094 flow_loop_outside_edge_p.
15096 * emit-rtl.c (init_virtual_regs): Make it static.
15097 * function.h: Remove the prototype for init_virtual_regs.
15099 * recog.c (peephole2_optimize): Make it static.
15100 * recog.h: Remove the prototype for peephole2_optimize.
15102 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15104 * df-scan.c (df_record_entry_block_defs): Check if
15105 INCOMING_RETURN_ADDR_RTX is defined.
15107 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
15108 Kenneth Zadeck <zadeck@naturalbridge.com>
15110 PR rtl-optimization/24762
15111 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15112 * targhooks.c (hook_void_bitmap): New hook prototype.
15113 * targhoohs.h (hook_void_bitmap): Ditto.
15114 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
15115 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
15116 * target.h (live_on_entry): New function pointer.
15117 * df-scan.c (df_all_hard_regs): Removed.
15118 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
15119 (df_scan_free_internal): Added df->entry_block_defs.
15120 (df_scan_alloc): Ditto.
15121 (df_scan_dump): Ditto.
15122 (df_uses_record): Plumbed flag field properly thru calls.
15123 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
15124 This part fixes PR24762.
15125 (df_bb_refs_record): Added code to make the frame and arg
15126 pointers live in EH blocks.
15127 (df_refs_record): Added call to df_record_entry_block_defs.
15128 (df_record_entry_block_defs): New function.
15129 * df-core.c: Added comments to describe new artifical defs.
15130 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
15131 (entry_block_defs): New field in struct df.
15132 (df_all_hard_regs): Deleted.
15133 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15134 * df-problems.c (df_ru_bb_local_compute_process_def):
15135 Added code to handle artifical defs in the entry to a function.
15136 (df_ru_bb_local_compute): Ditto.
15137 (df_rd_bb_local_compute_process_def): Ditto.
15138 (df_rd_bb_local_compute): Ditto.
15139 (df_lr_bb_local_compute): Ditto.
15140 (df_ur_bb_local_compute): Ditto.
15141 (df_urec_bb_local_compute): Ditto.
15142 (df_chain_create_bb): Ditto.
15143 (df_ur_local_finalize): Removed entry.
15144 (df_urec_init): Ditto.
15145 (df_urec_local_finalize): Ditto.
15146 (df_ri_bb_compute): Added detection of last use of pseudos.
15147 * Makefile.in (df-scan.o): Updated dependencies.
15148 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
15149 * config/mips/mips.c (mips_set_live_on_entry): Added.
15150 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
15152 * dce.c (marked_insn_p): Added code to handle artifical defs.
15154 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15156 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
15158 (_mm_cvtsi128_si64): Likewise.
15159 (_mm_cvtsd_si64): Likewise.
15160 (_mm_cvttsd_si64): Likewise.
15161 (_mm_cvtsi64_sd): Likewise.
15162 (_mm_cvtsi64_si128): Likewise.
15163 * config/i386/mmintrin.h (_m_from_int64): Likewise.
15164 (_mm_cvtsi64_m64): Likewise.
15165 (_m_to_int64): Likewise.
15166 (_mm_cvtm64_si64): Likewise.
15167 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
15168 (_mm_cvttss_si64): Likewise.
15169 (_mm_cvtsi64_ss): Likewise.
15170 (_mm_cvtss_f32): Likewise.
15172 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
15174 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
15175 for pragma redefine_extname.
15177 2006-01-27 Jakub Jelinek <jakub@redhat.com>
15180 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
15181 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
15182 -mno-minimal-toc to previous content.
15183 (bispecs): Remove goal.
15184 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
15185 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
15186 compatibility aliases on powerpc-*-*gnu*.
15187 * config/rs6000/libgcc-ppc-glibc.ver: New file.
15188 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
15189 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
15190 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
15191 (ldblspecs): New goal.
15192 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
15193 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
15195 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
15196 L_sf_to_tf or L_df_to_tf is defined.
15198 2006-01-27 David Edelsohn <edelsohn@gnu.org>
15199 Alan Modra <amodra@bigpond.net.au>
15202 * config/rs6000/linux.h (POWERPC_LINUX): Define.
15203 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
15204 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
15205 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
15206 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
15207 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
15208 (rs6000_override_options): Initialize rs6000_ieeequad.
15209 Initialize TFmode format to ibm_extended_format if not
15211 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
15213 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
15214 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
15215 (function_arg_advance): IBM long double passed in two FPRs, not
15217 (function_arg): IBM long double passed in FPRs.
15218 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
15219 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
15220 Only multireg GPR aligned.
15221 (rs6000_init_libfuncs): Enable IBM long double functions if not
15223 (rs6000_generate_compare): Use IBM long double compare if not
15225 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
15226 (TARGET_IEEEQUAD): Define.
15227 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
15228 not TARGET_IEEEQUAD.
15229 * config/rs6000/rs6000.md: Enable TFmode patterns if
15231 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
15232 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15233 and -mlong-double-128 are incompatible.
15234 * doc/invoke.texi (-mabi): Collect options together. Add
15235 ibmlongdouble and ieeelongdouble.
15237 2006-01-27 Richard Sandiford <richard@codesourcery.com>
15239 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
15241 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
15242 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
15243 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
15244 * rtl.h (rtunion_def): Remove rt_ptr.
15246 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
15247 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
15248 * config/i386/winnt.c (i386_pe_mark_dllexport)
15249 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
15251 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
15253 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
15255 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15259 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
15260 pthread_key_delete. From John David Anglin. gthrw-ify
15261 pthread_getunique_np only if it it's not a macro. Delete
15263 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
15264 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
15265 __gthread_objc_condition_signal, __gthread_key_delete): Add
15266 "__attribute__ ((__unused__))" to unused arguments.
15267 (__gthread_recursive_mutex_init_function): Add missing return.
15268 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
15269 gthr-posix95.h: Use macro-based approach for name redirection
15270 on targets missing weakref.
15272 2006-01-26 Zack Weinberg <zackw@panix.com>
15274 * genconditions.c (write_header): In generated code, #ifdef out
15275 all includes and fake declarations, except includes of bconfig.h
15276 and system.h, unless GCC_VERSION >= 3001. Do not include
15277 gensupport.h in any case.
15278 (write_conditions): Generate a definition of struct c_test. Add
15279 a comment to the generated #endif.
15280 (write_one_condition): Escape backslashes in string too.
15281 (write_writer): Generated code must escape backslashes and quote
15282 marks (but not newlines) in the strings it writes.
15283 * Makefile.in (build/gencondmd.o): Update dependencies.
15285 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15288 * Makefile.in (insn-automata.o): Add header file dependencies.
15289 * genautomata.c: Add includes.
15291 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15294 * Makefile.in (insn-automata.o): Add -Wno-error flag.
15296 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15298 * configure.ac: Expect target tools paths to be passed from the toplevel
15299 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
15301 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
15303 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15306 * c.opt (Wpointer-sign): Init to -1.
15307 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
15308 OPT_pedantic, to 0 otherwise.
15309 * doc/invoke.texi: Update.
15311 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15313 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
15314 constants provided by 80387 instructions in the destination mode.
15316 2006-01-26 Richard Guenther <rguenther@suse.de>
15317 Andrew Pinski <pinskia@physics.uc.edu>
15320 partial PR tree-opt/17064
15321 * tree-ssa-structalias.c (intra_create_variable_infos):
15322 Create heap variables for incoming parameters if
15323 flag_argument_noalias > 1.
15324 (find_what_p_points_to): Look through default defs of
15327 2006-01-26 Jeff Law <law@redhat.com>
15330 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
15331 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
15332 within the VR_RANGE, use the VR_RANGE as the result, not the
15334 (adjust_range_with_scev): Reject ranges from SCEV which are out of
15335 bounds for the type.
15337 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
15339 * tree-ssa-alias.c (maybe_create_global_var): Change
15340 subvar walking to an assertion that we don't have subvar'd variables.
15342 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
15345 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
15346 Use a new variable, inner. PARM_DECLs are always non-weak.
15348 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
15350 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
15351 --disable-checking.
15353 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
15355 * config/mips/mips.md (*clear_upper32): New combiner pattern.
15357 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
15359 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
15360 (smax_insn, smin_insn, smax_0, smin_0): New.
15362 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
15365 * config/cris/cris.c (cris_order_for_addsi3): New function.
15366 * config/cris/cris-protos.h: Prototype it.
15367 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
15368 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
15369 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
15370 (split for "op.S1 [rx=rx+i],ry (swapped)")
15371 (split for "op(s|u).S1 [rx=rx+i],ry")
15372 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
15373 Apply cris_order_for_addsi3 when generating addsi3 insns.
15375 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15377 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
15378 (TREE_BLOCK): Add call to EXPR_CHECK.
15380 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15383 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
15384 * tree-pretty-print.c (dump_omp_clause): Extract from ...
15385 (dump_omp_clauses): ... here.
15386 (dump_generic_node): Handle OMP_CLAUSE.
15387 * tree.c (omp_clause_num_ops): New.
15388 (omp_clause_code_name): New.
15389 (tree_code_size): Handle OMP_CLAUSE.
15390 (tree_size): Likewise.
15391 (make_node): Document handling of OMP_CLAUSE.
15392 (tree_node_structure): Handle OMP_CLAUSE.
15393 (omp_clause_check_failed): New.
15394 (omp_clause_range_check_failed): New.
15395 (omp_clause_operand_check_failed): New.
15396 (build_omp_clause): New.
15397 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
15398 * tree.h (enum omp_clause_code): Declare.
15399 (OMP_CLAUSE_SUBCODE_CHECK): Define.
15400 (OMP_CLAUSE_RANGE_CHECK): Define.
15401 (OMP_CLAUSE_ELT_CHECK): Define.
15402 (omp_clause_check_failed): Declare.
15403 (omp_clause_operand_check_failed): Declare.
15404 (omp_clause_range_check_failed): Declare.
15405 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
15406 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
15407 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
15408 (OMP_CLAUSE_LASTPRIVATE): Likewise.
15409 (OMP_CLAUSE_IF_EXPR): Likewise.
15410 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
15411 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
15412 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
15413 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
15414 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
15415 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
15416 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
15417 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
15418 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
15419 (OMP_CLAUSE_CODE): Define.
15420 (OMP_CLAUSE_SET_CODE): Define.
15421 (OMP_CLAUSE_CODE): Define.
15422 (OMP_CLAUSE_OPERAND): Define.
15423 (struct tree_omp_clause): Declare.
15424 (union tree_node): Add field 'omp_clause'.
15425 * treestruct.def (TS_OMP_CLAUSE): Define.
15426 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
15427 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
15428 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
15429 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
15430 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
15431 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
15432 (OMP_CLAUSE): Define.
15433 * print-tree.c (print_node): Handle OMP_CLAUSE.
15434 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
15435 * c-typeck.c: Likewise.
15436 * gimplify.c: Likewise.
15437 * c-omp.c: Likewise.
15438 * tree-nested.c: Likewise.
15439 * tree-inline.c: Likewise.
15440 * c-parser.c: Likewise.
15441 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
15444 2006-01-25 Roger Sayle <roger@eyesopen.com>
15446 PR rtl-optimization/25703
15447 * combine.c (try_combine): Handle zero_extract and strict_low_part
15448 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
15450 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
15452 * global.c: Fix comment typos.
15454 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
15457 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
15458 Use output_addr_const instead of assemble_name.
15460 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
15462 * Makefile.in (sched-vis.o): Update dependencies.
15463 * haifa-sched.c (sched_finish): Clear current_sched_info.
15464 * cfg.c (dump_bb_info): New, split from dump_flow_info.
15465 (dump_flow_info): Call it.
15466 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
15468 * basic-block.h (dump_bb_info): Declare.
15469 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
15470 option, and apply options only for dump files whose TDF_RTL,
15471 TDF_TREE, or TDF_IPA bits match.
15472 * rtl.h: Declare new functions exported from sched-vis.c.
15473 * sched-vis.c: Enable also if scheduling is not used.
15474 (print_value): Print the mode of registers if not inside scheduling.
15475 (print_insn): Make it work outside the scheduler. Beautify the output
15477 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
15479 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15481 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
15482 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
15483 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
15484 depending on the value of CONSTANT_POOL_ADDRESS_P.
15485 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
15487 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
15488 rather than SYMBOL_REF_DECL.
15489 (rtx_constant_pool): Remove const_rtx_sym_htab.
15490 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
15491 (init_varasm_status): Don't initialize const_rtx_sym_htab.
15492 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
15493 Remove handling of const_rtx_sym_htab.
15494 (find_pool_constant): Delete.
15495 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
15496 rather than find_pool_constant.
15497 (get_pool_constant_for_function): Delete.
15498 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
15499 find_pool_constant.
15500 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
15501 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
15502 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
15503 (SYMBOL_REF_CONSTANT): New macro.
15504 (get_pool_constant_for_function): Delete.
15505 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
15506 rather than SYMBOL_REF_DECL.
15507 (i386_pe_mark_dllimport): Likewise.
15508 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
15509 rather than SYMBOL_REF_DECL.
15510 * config/darwin.c (machopic_indirect_data_reference): Likewise.
15511 (machopic_indirect_call_target): Likewise.
15513 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
15515 * flow.c (delete_noop_moves): Add missing EOL to dump message.
15517 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15519 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
15521 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
15523 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
15525 2006-01-24 David Daney <ddaney@avtrex.com>
15528 * configure.ac (enable_tls): New enable option.
15529 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
15530 * configure: Regenerate.
15531 * doc/install.texi (--enable-tls): Document new option.
15532 (--disable-tls): Ditto.
15534 2006-01-24 Richard Henderson <rth@redehat.com>
15536 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
15537 * alias.c (true_dependence): Respect it.
15538 (canon_true_dependence, write_dependence_p): Likewise.
15539 * builtins.c (get_builtin_sync_mem): Set it.
15541 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
15543 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
15546 2006-01-24 DJ Delorie <dj@redhat.com>
15548 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
15549 for storing constants in single-bit bitfields.
15551 2006-01-25 Ben Elliston <bje@au.ibm.com>
15553 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
15555 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
15558 * tree-ssa-pre.c (phi_translate): Return NULL
15559 for AGGREGATE_TYPE's.
15561 2006-01-24 Zack Weinberg <zackw@panix.com>
15563 * genautomata.c (process_state_for_insn_equiv_partition):
15564 Use xcalloc for insn_arcs_array.
15565 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
15566 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
15568 2006-01-24 Richard Henderson <rth@redhat.com>
15570 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
15571 update all callers.
15573 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
15575 PR rtl-optimization/25890
15576 PR rtl-optimization/25905
15577 * combine.c (expand_compound_operation, expand_field_assignment):
15578 Fail if the bitfield's final position is out of bounds.
15580 2006-01-24 Ian Lance Taylor <ian@airs.com>
15582 PR middle-end/25930
15583 * cgraphunit.c (cgraph_output_in_order): Don't clear
15584 cgraph_asm_nodes until after asm strings have been output.
15586 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
15588 * fix-header.c (read_scan_file): Add new parameter imultilib when
15589 calling register_include_chains.
15591 2006-01-23 Diego Novillo <dnovillo@redhat.com>
15593 * omp-low.c: Update documentation.
15595 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15596 Daniel Berlin <dberlin@dberlin.org>
15600 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
15601 return from the function.
15603 2006-01-22 Zack Weinberg <zackw@panix.com>
15605 * rtl.def (match_code): Add second argument.
15606 * genpreds.c (write_extract_subexp): New function.
15607 (write_match_code): Add path argument. Use write_extract_subexp.
15608 (write_predicate_expr): Pass path to write_match_code.
15609 (mark_mode_tests): MATCH_CODE applied to a subexpression does
15610 not perform a mode test.
15611 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
15612 a subexpression does not constrain the top-level code set.
15613 * read-rtl.c (read_rtx_variadic): New function.
15614 (read_rtx_1): Use it; allow AND and IOR to be variadic.
15615 * doc/md.texi: Document new notation.
15616 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
15617 (cmpsi_operand): ... here, using new notation.
15619 2006-01-22 Zack Weinberg <zackw@panix.com>
15621 * varray.c: Remove GENERATOR_FILE #ifdefs.
15623 2006-01-22 Zack Weinberg <zackw@panix.com>
15625 * genautomata.c (output_reserved_units_table): Emit nothing if
15626 description->query_units_num is zero. Remove extra blank line.
15627 (output_cpu_unit_reservation_p): Short circuit
15628 if description->query_units_num is zero.
15630 2006-01-22 Zack Weinberg <zackw@panix.com>
15632 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
15633 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
15634 nor any of the random handful of variables that used to be necessary
15635 when this program was linked with rtlanal.o. Prune set of forward
15636 function declarations.
15637 (struct attr_desc): Remove static_p field.
15638 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
15639 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
15640 (attr_string): Do not read the character one past the length of
15642 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
15643 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
15644 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
15645 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
15646 (make_automaton_attrs): New.
15647 (main): Do not call into genautomata. Call local gen_bypass
15648 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
15649 Remove special case for insn_alts.
15650 * genautomata.c: Include gensupport.h; not genattrtab.h nor
15651 varray.h (leftover from previous change). Prune set of forward
15652 function declarations. Remove state_alts fields from all
15653 structures. Remove state_alts_table from struct automaton.
15654 Make everything except main static. Do not maintain num_dfa_decls.
15655 Do not maintain state_alts fields of various structures.
15656 (process_decls): Don't validate condexp for dm_insn_reserv decls.
15657 (add_arc): Remove state_alts argument. All callers updated.
15658 (output_reserved_units_table): Emit #ifdef here...
15659 (output_tables): ...not here. Don't generate state_alts tables.
15660 (expand_automata): Don't generate attributes.
15661 (write_automata): Don't generate state_alts functions.
15662 (main): New function.
15663 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
15664 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
15665 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
15666 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
15667 (BYPASS_P_FUNC_NAME, output_state_alts_table)
15668 (output_automata_list_state_alts_code, output_internal_state_alts_func)
15669 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
15670 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
15672 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15673 * genattrtab.h: Delete file.
15674 * Makefile.in (OBJS-common): Add insn-automata.o.
15675 (insn-automata.o): New rule.
15676 (simple_generated_c): Add insn-automata.c.
15677 (build/genattrtab.o, build/genautomata.o): Update dependencies.
15678 (genprogmd): Add automata.
15679 (build/genattrtab): Needs no extra objects nor libraries.
15680 (build/genautomata): Needs build/vec.o and -lm.
15682 2006-01-22 Zack Weinberg <zackw@panix.com>
15684 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15685 (output_dfa_max_issue_rate, locked_states_num): Delete.
15686 (struct automaton): Add locked_states field.
15687 (output_dead_lock_vect): Save number of locked states in
15688 automaton->locked_states. If it is zero, don't print anything.
15689 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15690 (output_internal_dead_lock_func): Only test the dead_lock_vect
15691 for automata that have locked states.
15692 (output_statistics): Always print the number of locked states for
15693 each automaton. Calculate total number of locked states here.
15694 (write_automata): Don't call output_dfa_max_issue_rate.
15695 * genattrtab.c: Define length_unit_log as a const variable.
15696 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15697 max_insn_queue_index const.
15698 * final.c (length_unit_log): Declare const.
15699 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15701 2006-01-22 Zack Weinberg <zackw@panix.com>
15703 * genautomata.c: Include vec.h, not varray.h.
15704 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15705 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
15706 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
15707 VEC_* macros operating on appropriately typed vectors, or to
15708 malloced arrays when the size is known in advance. Const-ify
15709 many char* variables and function arguments. No functional changes.
15710 * Makefile.in (build/varray.o): Delete rule.
15711 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15712 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15714 2006-01-22 Zack Weinberg <zackw@panix.com>
15716 * gensupport.c: Define get_insn_name and record_insn_name here.
15717 (read_md_rtx): Call record_insn_name as appropriate.
15718 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15719 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15720 * genpreds.c, genrecog.c: Don't define get_insn_name nor
15722 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15723 (BUILD_VARRAY): Delete.
15724 (genprognormal): Rename genprogmd. Fold in all programs from
15725 genprognoprint; also attrtab.
15726 (build/genattrtab): Just mention genautomata.o and varray.o.
15727 Reorganize a bit, add comments to make the categories clearer.
15729 2006-01-22 Zack Weinberg <zackw@panix.com>
15731 * genconditions.c (condition_table, add_condition): Delete.
15732 (write_conditions): Don't emit n_insn_conditions nor
15733 insn_elision_unavailable. Issue the gcc version #ifdef here,
15734 inside the table, with no #else clause ...
15735 (write_header): ...not here.
15736 (write_writer): New function.
15737 (main): Don't initialize condition_table. Use add_c_test.
15739 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15740 files on the command line.
15741 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15742 Return -1 if there is no entry in the table, don't abort.
15743 (add_c_test, traverse_c_tests): New functions.
15744 * gensupport.h (insn_elision_unavailable, insn_conditions)
15745 (n_insn_conditions): Delete declarations.
15746 (add_c_test, traverse_c_tests): Declare.
15747 * read-rtl.c: Include gensupport.h.
15748 (read_conditions): New function.
15749 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15750 (read_rtx_1): If we get EOF when we were looking for an initial
15751 open paren, return 0. Call read_conditions when appropriate.
15752 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15753 dummy-conditions.o. Eliminate references to insn-conditions.o,
15754 or change them to build/gencondmd.o, as appropriate. Remove
15755 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15756 from $(simple_generated_c). For all files remaining in those
15757 two lists, add insn-conditions.md to the generator command line.
15758 Give insn-constants.h/s-constants their own rules. Add rules
15759 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15760 (build/read-rtl.o): Depend on gensupport.h.
15761 (genprognormal): Include preds.
15762 (genprogearly): Rename genprognoprint; only difference is now that
15763 they don't link with $(BUILD_PRINT).
15764 * dummy-conditions.c: Delete.
15766 2006-01-22 Zack Weinberg <zackw@panix.com>
15768 * genextract.c: Don't include insn-config.h. Do include vec.h.
15769 Declare vectors of int, char, and locstr.
15770 (locstr): New typedef.
15771 (struct extraction): Make all array fields into bare pointers.
15772 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15773 (insn_code_number): Delete.
15774 (accum_extract): New struct.
15775 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15776 (gen_insn): Take insn_code_number as an argument. Use an
15777 accum_extract structure instead of loading data directly into
15778 a struct extraction, and having to know how big it might get.
15779 (walk_rtx): Operate entirely on an accum_extract structure.
15780 (print_path): Avoid unnecessary use of printf.
15781 (print_header): New function, split out of main. Distinguish
15782 more carefully between an unrecognizable insn and an insn that
15783 has the code number of a define_expand.
15784 (main): Pass insn_code_number to gen_insn. Call print_header
15785 only after parsing. Avoid unnecessary use of printf.
15786 * Makefile.in (build/vec.o): New rule.
15787 (build/genextract): Depend on build/vec.o.
15788 (build/genextract.o): Don't depend on insn-config.h.
15790 2006-01-22 Zack Weinberg <zackw@panix.com>
15792 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15793 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15794 practical. Eliminate per-generator-program link rules.
15796 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15798 PR middle-end/24437
15799 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15800 with a call expr to ...
15801 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15803 2006-01-23 Richard Guenther <rguenther@suse.de>
15805 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15806 before make_edge with conditional EDGE_TRUE_VALUE.
15808 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15809 Jan Hubicka <jh@suse.cz>
15810 Richard Guenther <rguenther@suse.de>
15812 PR rtl-optimization/25654
15813 * cfgexpand.c (aggregate_contains_union_type): New function.
15814 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15815 for structure variables that contain a union type.
15817 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15819 * gengtype.c (new_structure): Return the structure.
15820 (create_option): Add an extra "next" argument.
15821 (create_field): New function.
15822 (adjust_field_rtx_def): Use create_option and create_field.
15823 Remove a now-unnecessary call to find_structure.
15824 (adjust_field_tree_def): Likewise.
15825 (note_yacc_type): Remove an unnecessary call to find_structure.
15826 * gengtype.h (new_structure): Return the structure.
15827 (create_option): Add an extra argument.
15828 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15829 (option): Adjust calls to create_option.
15831 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15833 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15835 2006-01-22 Paul Brook <paul@codesourcery.com>
15836 Peter Barada <peter@the-baradas.com>
15838 * config/m68k/m68k.md: Add Coldfire FPU support.
15839 Define FP mode macro and associated attributes.
15840 Use it for float mode patterns.
15841 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15842 (LIBCALL_VALUE): Use m68k_libcall_value.
15843 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15844 (m68k_function_value): Ditto.
15845 (emit_move_sequence): Ditto.
15846 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15847 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15848 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15849 (MULTILIB_EXCEPTIONS): Ditto.
15850 * config/m68k/m68k.opt: Add mcfv4e.
15851 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15852 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15853 (m68k_output_function_prologue): Save ColdFire FPU registers.
15854 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15855 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15856 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15857 ColdFire FPU registers.
15858 (m68k_libcall_value, m68k_function_value): New functions.
15859 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15860 (LIBCALL_VALUE): Use m68k_libcall_value.
15861 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15862 (MASK_COLDFIRE): Add MASK_CFV4E.
15863 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15864 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15865 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15866 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15867 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15868 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15869 * doc/invoke.tex: Document -mcfv4e on m68k.
15871 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15873 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15876 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15879 * c-opts.c (c_common_handle_option): Don't include
15880 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15881 * doc/invoke.texi (C++ Dialect Options): Document that
15882 -Wnon-virtual-dtor is no longer included in -Wall.
15884 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15886 * gcov.c (print_version), gcov-dump.c (print_version),
15887 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15890 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15892 * df-scan.c (problem_SCAN): Added NULL reset function.
15893 (df_scan_reset_blocks): Added code to call reset block function
15894 (df_bb_refs_delete) Fixed comment.
15895 (df_insn_refs_delete): Made tolerant of deleting non existent info
15896 for dataflow problems that need to be reset.
15897 * df-core.c (df_set_blocks): Ditto.
15898 * df.h (struct df_problem): Added reset_fun.
15899 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15900 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15901 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15902 functions to clear out all references to def-use or use-def chains.
15904 2006-01-21 Ben Elliston <bje@au.ibm.com>
15906 * varasm.c (assemble_real): Initialise data array.
15908 2006-01-20 Paul Brook <paul@codesourcery.com>
15910 Merge from csl-arm-branch.
15911 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15912 * config/arm/arm.md (movdi): Force operands[1] to a register
15913 if we have a non-register source.
15914 (*arm_movdi, *movdf_soft_insn): Require that one of the
15915 operands be a register.
15916 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15917 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15919 2006-01-20 DJ Delorie <dj@redhat.com>
15921 * varasm.c (initializer_constant_valid_p): Allow pointers
15922 initialized from integer constants of lesser precision.
15923 (output_constant): Allow non-int-sized pointer modes to be
15924 initialized from integer constants.
15926 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15929 * cppdefault.h (struct default_include): Add multilib flag.
15930 * cppdefault.c (cpp_include_defaults): Set it.
15931 * c.opt (-imultilib): New option.
15932 * c-opts.c (imultilib): New.
15933 (c_common_handle_option): Handle -imultilib.
15934 (c_common_post_options): Likewise.
15935 * c-incpath.c (add_standard_paths, register_include_chains):
15937 * c-incpath.h (register_include_chains): Add extra parameter.
15938 * gcc.c (do_spec_1): Generate -imultilib option.
15939 (The Specs Language): Update %I description.
15940 (process_command): Update copyright notice.
15941 * doc/cppopts.texi (-imultilib): Document.
15942 * doc/invoke.texi (-imultilib): Include in option summary.
15943 (%I): Update specs documentation.
15945 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15947 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15949 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15951 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15954 2006-01-20 Richard Guenther <rguenther@suse.de>
15955 Steven Bosscher <stevenb.gcc@gmail.com>
15957 PR rtl-optimization/24626
15958 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15959 EDGE_TRUE_VALUE if in RTL mode.
15962 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15963 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15965 2006-01-20 Dirk Mueller <dmueller@suse.com>
15968 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15969 instead of a special NOP marker.
15970 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15971 NOP marker handling.
15972 * c-common.h (empty_body_warning): Add forward declaration.
15973 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15974 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15976 2006-01-20 Paul Brook <paul@codesourcery.com>
15978 * Makefile.in (lang_checks): Keep going if mkdir fails.
15980 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15982 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15983 be able to clean out basic block when not necessary.
15984 (df_scan_free): Fixed to properly delete information if df is
15985 unused before calling df_finish.
15986 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15987 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15989 (df_bb_refs_delete): New function.
15990 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15991 * df-core.c (df_set_blocks): Added code to properly clean out
15992 unused blocks if they are not part of the blocks to consider.
15993 Added additional null check.
15994 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15995 be able to clean out basic block when not necessary
15996 * df.h (df_free_bb_function): Ditto.
15997 (df_bb_refs_delete): New function.
15998 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15999 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
16000 basic block parameter to be able to clean out basic block when not
16002 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
16003 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
16004 Fixed to properly delete information if df is unused before
16007 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16009 PR rtl-optimization/25799
16010 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
16011 Corrected confluence operator to remove bits from op2 before oring
16012 with op1 rather than removing bits from op1.
16013 (df_ru_transfer_function): Corrected test on wrong bitmap which
16014 caused infinite loop. Both of these problems were introduced in
16015 the dataflow rewrite.
16017 2006-01-19 DJ Delorie <dj@redhat.com>
16019 * reload1.c (find_reload_regs): Note the details of reload
16020 failures in the dump file.
16021 (spill_failure): Likewise.
16023 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16025 * loop-iv.c: Include df.h and hashtab.h.
16026 (enum iv_grd_result): New enum.
16027 (DF_REF_IV, DF_REF_IV_SET): New macros.
16028 (struct biv_entry): New.
16029 (df, bivs): New global variables.
16030 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
16031 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
16033 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
16034 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
16035 analyzed_for_bivness_p, record_biv): New functions.
16036 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
16037 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
16038 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
16040 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
16042 (iv_number_of_iterations): Use new interface to iv analysis.
16043 * loop-unroll.c: Do not include varray.h.
16044 (analyze_iv_to_split_insn): Use new interface to iv
16046 * loop-unswitch.c (may_unswitch_on): Ditto.
16047 * df.c (df_bitmaps_free): Only work for bbs for that structures are
16049 (df_bb_modify): Realloc tables to the new index.
16050 (df_find_use): New function.
16051 * df.h (df_find_use): Declare.
16052 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
16054 * cfgloop.h (struct rtx_iv): Remove analysed field.
16055 (iv_get_reaching_def): Removed.
16056 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
16057 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
16058 (loop-iv.o): Add df.h and hashtab.h dependency.
16059 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
16061 2006-01-20 Alan Modra <amodra@bigpond.net.au>
16064 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
16066 (__floatundisf, __floatundidf): Likewise.
16067 * libgcc2.h (IS_IBM_EXTENDED): Define.
16069 2006-01-19 DJ Delorie <dj@redhat.com>
16071 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
16073 2006-01-19 Paul Brook <paul@codesourcery.com>
16075 * config/arm/arm.c (arm_compute_func_type): Treat all functions
16076 as nothrow when unwinding tables are disabled.
16078 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16081 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
16082 of bit-field" when in system header.
16084 2006-01-19 DJ Delorie <dj@redhat.com>
16086 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
16087 the 16 bit shift limit of the m16c.
16089 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
16092 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
16093 * config/i386/i386.c (output_set_got): Output the label if we have one
16094 for the TARGET_DEEP_BRANCH_PREDICTION case.
16096 2006-01-19 Jan Hubicka <jh@suse.cz>
16097 H.J. Lu <hongjiu.lu@intel.com>
16098 Evandro Menezes <evandro.menezes@amd.com>
16100 * invoke.texi (generic): Document
16102 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
16103 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
16104 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
16105 (x86_use_incdec, x86_pad_returns): New variables
16106 (TARGET_CPU_DEFAULT_generic): New constant
16107 (TARGET_CPU_DEFAULT_NAMES): Add generic.
16108 (enum processor_type): Add generic32 and generic64.
16109 * i386.md (cpu attribute): Add generic32/generic64
16110 (movhi splitter): Behave sanely when both partial_reg_dependency and
16111 partial_reg_stall are set.
16112 (K8 splitters): Enable for generic as well.
16113 * predicates.md (incdec_operand): Use TARGET_INCDEC
16114 (aligned_operand): Avoid memory mismatch stalls.
16115 * athlon.md: Enable for generic64, new patterns for 128bit moves.
16116 * ppro.md: Enable for generic32
16117 * i386.c (generic64_cost, generic32_cost): New.
16118 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
16119 (x86_use_leave): Enable for generic64. (x86_use_sahf,
16120 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
16121 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
16122 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
16123 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
16124 x86_partial_reg_dependency, x86_memory_mismatch_stall,
16125 x86_accumulate_outgoing_args, x86_prologue_using_move,
16126 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
16127 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
16128 Enable for generic.
16129 (x86_use_incdec, x86_pad_returns): New.
16130 (override_options): Add generic32 and generic64, translate "generic"
16131 to generic32/generic64 and "i686" to "generic32", refuse
16132 "generic32"/"generic64" as arch target.
16133 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
16134 (ix86_reorg): Honor PAD_RETURNS.
16136 2006-01-19 Diego Novillo <dnovillo@redhat.com>
16138 * tree-pretty-print.c (dump_generic_node): Handle
16139 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
16140 * cgraph.c (cgraph_expand_queue): Rename from
16141 cgraph_analyze_queue. Update all users.
16142 * cgraphunit.c (cgraph_assemble_pending_functions): Process
16143 cgraph_expand_queue.
16144 (cgraph_expand_all_functions): Likewise.
16145 (cgraph_finalize_pending_functions): Remove. Update callers.
16147 * tree.h (OMP_DIRECTIVE_P): Define.
16148 (OMP_PARALLEL_FN): Define.
16149 (OMP_PARALLEL_DATA_ARG): Define.
16150 (OMP_SECTIONS_SECTIONS): Define.
16151 * tree-pass.h (pass_expand_omp): Declare.
16152 * omp-low.c (struct omp_region): Declare.
16153 (struct omp_context): Remove fields 'parallel_type',
16154 'parallel_start_ix' and 'parallel_start_additional_args'.
16156 (struct omp_for_data): Rename from struct expand_omp_for_data.
16157 (omp_regions): New static variable.
16158 (root_omp_region): New static variable.
16159 (find_omp_clause): Make static.
16160 (is_in_combined_parallel_ctx): Remove.
16161 (is_combined_parallel): New.
16162 (extract_omp_for_data): Move earlier in the file.
16163 (workshare_safe_to_combine_p): New.
16164 (get_ws_args_for): New.
16165 (determine_parallel_type): Move earlier in the file.
16166 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
16168 (omp_copy_decl): Likewise.
16169 (create_omp_child_function): Likewise.
16170 (lookup_omp_region): New.
16171 (dump_omp_region): New.
16172 (debug_omp_region): New.
16173 (debug_all_omp_regions): New.
16174 (new_omp_region): New.
16175 (scan_omp_parallel): If parallel_nesting_level > 1, the
16176 directive is nested within another parallel directive.
16177 Set OMP_PARALLEL_FN.
16178 (scan_omp_for): Do not try to handle combined parallel+for
16180 Remove FIXME comment.
16181 (scan_omp_nested): Remove.
16182 (scan_omp_1): Do not call scan_omp_nested when
16183 parallel_nesting_level is > 1.
16184 Do not change the DECL_CONTEXT of local variables found.
16185 (lookup_decl_in_outer_ctx): New.
16186 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
16187 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
16188 (lower_reduction_clauses): Rename from expand_reduction_clauses.
16189 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
16190 If CTX is nested, lookup VAR in the outer context when
16191 building copy assignment.
16192 (lower_send_clauses): Rename from expand_send_clauses.
16193 If CTX is nested, lookup VAR in the outer context when
16194 building copy assignments.
16195 (lower_send_shared_vars): Rename from expand_send_shared_vars.
16196 If CTX is nested, lookup VAR in the outer context when
16197 building copy assignments.
16198 (expand_parallel_call): Rename from build_parallel_call.
16199 Handle combined parallel+workshare cases.
16200 Re-implement to emit code into the CFG.
16202 (expand_omp_parallel): Re-implement to emit code into the CFG.
16203 Call move_sese_region_to_fn to outline the sub-graph
16204 containing the parallel region.
16205 (expand_omp_for_1): Remove.
16206 (expand_omp_for_generic): Re-implement to emit code into the
16208 (expand_omp_for_static_nochunk): Likewise.
16209 (expand_omp_for_static_chunk): Likewise.
16210 (expand_omp_for): Likewise.
16211 (expand_omp_sections): Likewise.
16212 (remove_exit_barriers): New.
16213 (expand_omp_synch): New.
16215 (build_omp_regions_1): New.
16216 (build_omp_regions): New.
16217 (execute_expand_omp): New.
16218 (gate_expand_omp): New.
16219 (pass_expand_omp): Define.
16220 (lower_omp_sections): Rename from expand_omp_sections.
16221 Set OMP_SECTIONS_SECTIONS.
16222 (lower_omp_single_simple): Rename from expand_omp_single_simple.
16223 (lower_omp_single_copy): Rename from expand_omp_single_copy.
16224 (lower_omp_single): Rename from expand_omp_simple.
16225 (lower_omp_master): Rename from expand_omp_master.
16226 (lower_omp_ordered): Rename from expand_omp_ordered.
16227 (lower_omp_critical): Rename from expand_omp_critical.
16228 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
16229 (lower_omp_for): Re-implement.
16230 (lower_omp_parallel): Re-implement.
16231 (lower_regimplify): Rename from expand_regimplify.
16232 (lower_omp_1): Rename from expand_omp_1.
16233 If there are syntax errors in the program, replace every
16234 OpenMP directive with NOP.
16235 Call lower_omp_* instead of expand_omp_*.
16236 (lower_omp): Rename from expand_omp.
16238 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
16239 * tree-gimple.h (enum omp_parallel_type): Remove.
16240 (gimple_boolify): Declare extern.
16241 (find_omp_clause, determine_parallel_type): Remove.
16243 * gimple-low.c (lower_omp_directive): New.
16244 (lower_stmt): Call it.
16245 (record_vars_into): Move from ...
16246 (record_vars): ... here.
16247 Call record_vars_into with current_function_decl.
16249 * gimplify.c (struct gimplify_ctx): Remove fields
16250 combined_pre_p and combined_ctxp. Update users.
16251 (get_formal_tmp_var): Add documentation.
16252 (gimple_boolify): Make extern.
16253 (gimplify_expr_in_ctx): Remove. Update callers.
16254 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
16255 will always be a BIND_EXPR.
16256 (gimplify_expr): Handle OMP_RETURN_EXPR.
16257 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
16258 (OMP_PARALLEL): Add 3 operands.
16259 (OMP_SECTIONS): Add 1 operand.
16260 (OMP_RETURN_EXPR): Define.
16262 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
16263 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
16264 * tree-iterator.c (alloc_stmt_list): Assert that we are not
16265 creating a circular free list.
16266 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
16268 * tree-flow.h (move_sese_region_to_fn): Declare.
16269 (record_vars_into): Declare.
16270 * tree-cfg.c (make_omp_sections_edges): New.
16271 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
16272 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
16273 OMP_SECTIONS and OMP_SECTION.
16274 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
16275 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
16276 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
16277 (gather_blocks_in_sese_region): New.
16278 (struct move_stmt_d): Declare.
16279 (move_stmt_r): New.
16280 (move_block_to_fn): New.
16281 (move_sese_region_to_fn): New.
16283 * passes.c (init_optimization_passes): Schedule
16284 pass_expand_omp after pass_init_datastructures.
16286 * tree-ssa-operands.c (get_expr_operands): Handle
16287 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
16288 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
16290 2006-01-19 Jeff Law <law@redhat.com>
16292 * tree-vrp.c (extract_range_from_assert): Refine the result range
16293 if the variable referenced by the ASSERT_EXPR has a range and
16294 either the tentative result range or the previous range is a
16297 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16299 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
16301 2006-01-19 Jan Hubicka <jh@suse.cz>
16303 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
16305 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
16307 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
16308 (expand_compound_operation, expand_field_assignment): Fail if the
16309 bit lengths of an extract operation are out of range.
16310 (make_extraction): Compute wanted_inner_mode based on the position
16311 and length of the extraction. Make it extraction_mode for non-constant
16312 positions, and do not modify offset in that case. When generating a
16313 new MEM, use a mode that can hold the extraction while keeping correct
16314 alignment. Remove code that supported MEMs wrapped by USEs.
16315 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
16317 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
16319 * config/s390/s390.md ("Y", "y"): New mode attribute.
16320 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
16321 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
16322 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
16323 "*addsi3_imm_cc", "*addsi3_carry1_cc",
16324 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
16325 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
16326 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
16327 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
16328 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
16329 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
16330 "addsi3", "subsi3"): Insn patterns removed.
16331 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
16332 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
16333 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
16334 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
16335 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
16336 "*sub<mode>3_cconly2"): New insn patterns.
16337 ("addsi3", "subsi3"): New expanders.
16339 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
16341 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
16342 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
16343 existing STMT_VINFO_VECTYPE if available.
16344 (vect_mark_relevant): Add special handling for stmts that are
16345 marked as STMT_VINFO_IN_PATTERN_P.
16346 (vect_analyze_loop): Call vect_pattern_recog.
16347 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
16348 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
16350 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
16351 (vect_recog_func_ptr): New function-pointer type.
16352 * tree-vect-patterns.c: New file.
16353 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
16354 (vect_recog_dot_prod_pattern, vect_pattern_recog):
16355 (vect_pattern_recog_1): New functions.
16356 (vect_pattern_recog_funcs): New array of function pointers.
16358 * tree-vectorizer.h (ternary_op): New enum value.
16359 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
16360 declaration. Revised documentation. Removed redundant dump prints.
16361 Removed redundant argument. Added support for reduction patterns.
16362 (vectorizable_reduction): Added support for reduction patterns.
16363 (vect_transform_stmt): Added support for patterns.
16365 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
16366 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
16367 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
16368 (expand_widen_pattern_expr): New function.
16369 (init_optabs): Initialize new optabs udot_prod_optab,
16371 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
16372 (sdot_prod_optab, udot_prod_optab): Define new optabs.
16373 (expand_widen_pattern_expr): New function declaration.
16374 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
16376 * tree-inline.c (estimate_num_insns_1): Added cases for new
16377 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16378 * tree-pretty-print.c (dump_generic_node): Likewise.
16379 (op_prio): Likewise.
16380 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16381 * tree-ssa-operands.c (get_expr_operands): Added case for
16383 * tree-vect-patterns.c (widened_name_p): New function.
16384 (vect_recog_dot_prod_pattern): Added function implementation.
16385 * tree-vect-transform.c (get_initial_def_for_reduction): Added
16386 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
16387 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
16388 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
16390 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
16391 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
16392 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
16393 (init_optabs): Initialize new optabs widen_ssum_optab,
16395 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
16396 (widen_ssum_optab, widen_usum_optab): Define new optabs.
16397 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
16398 use instead of type of def.
16399 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
16400 function implementation.
16401 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
16402 widen_ssumv8hi): New.
16404 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
16407 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16410 * c-decl.c (add_flexible_array_elts_to_size): New function.
16411 (finish_decl): Use it.
16413 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
16415 * diagnostic.h: Include options.h.
16416 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
16417 dependancies for diagnostic.h.
16418 * Makefile.in (DIAGNOSTIC_H): Add options.h.
16420 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
16422 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
16423 (ssa_ro_call_cache_valid): Ditto.
16424 * tree-ssa-alias.c (sort_tags_by_id): New function.
16425 (init_transitive_clobber_worklist): Ditto.
16426 (add_to_worklist): Ditto.
16427 (mark_aliases_call_clobbered): Ditto.
16428 (compute_tag_properties): Ditto.
16429 (set_initial_properties): Ditto.
16430 (compute_call_clobbered): Ditto.
16431 (compute_may_aliases): Call compute_call_clobbered and grouping.
16432 (compute_flow_sensitive_aliasing): Remove clobbering related code.
16433 (compute_flow_insensitive_aliasing): Grouping now happens in our
16435 (setup_pointers_and_addressables): Remove clobbering related code.
16436 (add_may_alias): Ditto.
16437 (replace_may_alias): Ditto.
16438 (get_nmt_for): Ditto.
16439 (create_global_var):
16440 (is_escape_site): Return an escape_type enumeration.
16441 * tree-flow-inline.h (is_call_clobbered): Global var does not
16442 imply call clobbered.
16443 (mark_call_clobbered): Take a reason for marking this. Remove
16444 marking of globalness, and cache invalidation.
16445 (clear_call_clobbered): Remove cache invalidation code.
16446 * tree-dfa.c (dump_variable): If details is on, dump the reason
16448 * tree-outof-ssa.c (create_temp): Copy escape mask from original
16450 * tree-flow.h (struct ptr_info_def): Add escape mask member.
16451 (struct var_ann_d): Ditto.
16452 (enum escape_type): New.
16453 (mark_call_clobbered): Adjust prototype.
16454 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
16455 are never call clobbered.
16456 Record reasons for escaping.
16457 * tree-ssa-structalias.h (is_escape_site): Update prototype.
16458 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
16459 (ssa_ro_call_cache_valid): Ditto.
16460 (clobbered_v_may_defs): Ditto.
16461 (clobbered_vuses): Ditto.
16462 (ro_call_vuses): Ditto.
16463 (clobber_stats): New.
16464 (init_ssa_operands): Zero out clobber stats.
16465 (fini_ssa_operands): Print out clobber stats.
16466 (get_call_expr_operands): Pass callee fndecl to
16467 add_call_read_ops).
16468 (add_call_clobber_ops): Remove use of cache.
16469 Add use of PURE_CONST information.
16470 (add_call_read_ops): Remove use of cache.
16471 Add use of static not_read information.
16473 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
16475 Introduce TLS descriptors for i386 and x86_64.
16476 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
16477 (TARGET_ANY_GNU_TLS): New macro.
16478 (enum tls_dialect): Added TLS_DIALECT_GNU2.
16479 (struct machine_function): Add tls_descriptor_call_expanded_p.
16480 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
16481 (ix86_current_function_calls_tls_descriptor): Likewise.
16482 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
16483 (override_options): Introduce gnu2 tls dialect.
16484 (ix86_frame_pointer_required): Functions containing TLSCALLs are
16486 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
16488 (legitimize_tls_address): Adjust logic for GNU2 TLS.
16489 (ix86_init_machine_status): Initialize new field.
16490 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
16491 (ix86_tls_module_base): New.
16492 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
16493 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
16494 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
16495 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
16496 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
16497 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
16498 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
16499 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
16500 * config/i386/predicates.md (tls_modbase_operand): New.
16501 (tp_or_register_operand): New.
16503 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
16505 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
16506 (look_for_address_of): Ditto.
16507 (ipa_init): Walk the function decls.
16508 (static_execute): Don't set readonly on FUNCTION_DECL's.
16510 2006-01-18 Roger Sayle <roger@eyesopen.com>
16512 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
16513 for shifts where the source and destination registers are different.
16515 2006-01-18 Paul Brook <paul@codesourcery.com>
16517 Merge from csl-arm-branch.
16518 2005-03-14 Julian Brown <julian@codesourcery.com>
16519 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
16520 (aeabi_llsl): Likewise.
16521 (ashrdi3): Likewise.
16522 (aeabi_lasr): Likewise.
16523 (lshrdi3): Likewise.
16524 (aeabi_llsr): Likewise.
16525 2005-03-10 Julian Brown <julian@codesourcery.com>
16526 * config.gcc: Disable shared libgcc for SymbianOS.
16527 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
16529 2006-01-18 DJ Delorie <dj@redhat.com>
16531 * c-pragma.c (handle_pragma_diagnostic): New.
16532 (init_pragma): Register it.
16533 * doc/extend.texi: Document it.
16535 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
16536 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
16537 (diagnostic_context): Add classify_diagnostic[].
16538 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
16539 as errors if they're overridden to DK_WARNING.
16540 (diagnostic_initialize): Initialize classify_diagnostic[].
16541 (diagnostic_set_kind_override): New.
16542 (diagnostic_report_diagnostic): Check for kind changes.
16543 * opts.c (common_handle_option): Take lang_mask. Update callers.
16544 Handle OPT_Werror_.
16545 * common.opt (Werror=): New.
16546 * doc/invoke.texi: Document -Werror=*
16548 2006-01-18 Jeff Law <law@redhat.com>
16550 * tree-vrp.c (test_for_singularity): Correct test for new
16551 min limit. Use operand_equal_p rather than pointer equality
16552 for testing if new min/max values are equal.
16554 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
16555 using range information until after propagation and folding.
16557 2006-01-18 Richard Henderson <rth@redhat.com>
16558 Aldy Hernandez <aldyh@redhat.com>
16559 Jakub Jelinek <jakub@redhat.com>
16560 Diego Novillo <dnovillo@redhat.com>
16562 * omp-low.c: New file.
16563 * c-omp.c: New file.
16565 2006-01-18 Richard Henderson <rth@redhat.com>
16566 Jakub Jelinek <jakub@redhat.com>
16567 Diego Novillo <dnovillo@redhat.com>
16569 * doc/invoke.texi: Document -fopenmp.
16570 * tree-dump.h (debug_function): Declare.
16571 * hooks.c (hook_bool_tree_bool_false): New function.
16572 (hook_tree_tree_null): Remove.
16573 (hook_tree_tree_tree_null): New.
16574 * hooks.h: Update to match.
16575 * tree-pretty-print.c (debug_tree_chain): New.
16576 (print_generic_expr): Handle TDF_CHAIN.
16577 (dump_generic_node): Handle BLOCK.
16578 Do not abort with incomplete SWITCH_EXPRs.
16579 Do not dump body of an OpenMP directive if TDF_SLIM is given.
16580 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
16581 print space after directive name.
16582 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
16583 Handle OMP_MASTER and OMP_ORDERED.
16584 Handle printing of OMP_BODY just in one place, goto
16585 dump_omp_body in the rest of OMP_* nodes that have
16587 Don't handle clause nodes here. Update omp statements to
16588 use dump_omp_clauses.
16589 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
16590 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
16591 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
16592 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
16593 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
16594 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
16595 Adjust output for GOMP_PARALLEL.
16596 (dump_omp_clauses): New.
16597 (print_declaration): Dump DECL_VALUE_EXPR.
16598 (op_symbol_1): Split out of op_symbol.
16599 (dumping_stmts): Remove. Update all users.
16600 * cgraph.c (cgraph_analyze_queue): New.
16601 (cgraph_add_new_function): New.
16602 * cgraph.h (cgraph_analyze_queue): Declare.
16603 (cgraph_add_new_function): Declare.
16604 (cgraph_lower_function): Remove.
16605 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
16606 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
16607 and TYPE_P nodes in its default clause.
16608 (empty_body_p): New.
16609 (tree_range_check_failed): New.
16610 (build5_stat): New.
16611 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
16612 OMP_CLAUSE_REDUCTION_MERGE,
16613 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
16614 OMP_CLAUSE_PRIVATE_DEBUG,
16615 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
16616 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
16617 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
16618 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
16619 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
16620 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
16621 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
16622 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
16623 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
16624 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
16625 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
16626 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
16627 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
16628 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
16629 (TREE_RANGE_CHECK): New.
16630 (empty_body_p): Declare.
16631 (enum omp_clause_default_kind): New.
16632 (build_string_literal): Declare.
16633 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
16634 (build5_stat, build5): Declare.
16635 * tree-pass.h (TDF_CHAIN): Define.
16636 * tree-pass.h (PROP_gimple_lomp): Define.
16637 (pass_lower_omp): Declare.
16638 * diagnostic.h (debug_tree_chain): Declare.
16639 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
16641 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
16642 * builtins.c (build_string_literal): Make extern.
16643 * gcc.c (include_spec_function): New.
16644 (static_spec_functions): Add it.
16645 (main): Move load of libgomp.spec ...
16646 (LINK_COMMAND_SPEC): ... here.
16647 (link_gomp_spec): New.
16648 (static_specs): Include it.
16649 (LINK_COMMAND_SPEC): Add link_gomp.
16650 (GOMP_SELF_SPECS): New.
16651 (driver_self_specs): Include it.
16652 (switch_matches): Don't mark inline.
16653 (main): Load libgomp.spec.
16654 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
16655 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
16656 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
16657 * tree-gimple.h (enum omp_parallel): Declare.
16658 (determine_parallel_type): Declare.
16659 (omp_firstprivatize_variable): Declare.
16660 (omp_reduction_init): Declare.
16661 (diagnose_omp_structured_block_errors): Declare.
16662 (struct walk_stmt_info): Add want_return_expr.
16663 (struct walk_stmt_info): Add want_bind_expr, want_locations.
16664 (find_omp_clause): Declare.
16665 (insert_field_into_struct): Declare.
16666 (struct walk_stmt_info): Move from tree-nested.c
16667 (walk_stmts): Declare.
16668 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
16670 * cgraphunit.c (cgraph_lower_function): Make static.
16671 (cgraph_finalize_pending_functions): New.
16672 (cgraph_finalize_function): Call it.
16673 (cgraph_finalize_compilation_unit): Likewise.
16674 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
16675 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
16676 (BT_FN_UINT_UINT): New.
16677 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
16678 DEF_FUNCTION_TYPE_VAR_4): Document.
16679 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16680 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16681 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16682 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16683 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16684 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16685 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16686 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16687 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16688 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16689 into separate files.
16690 (DEF_GOMP_BUILTIN): New.
16691 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16692 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16693 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16694 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16695 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16696 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16697 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16698 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16699 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16700 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16701 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16702 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16703 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16704 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16705 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16706 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16707 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16708 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16709 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16710 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16711 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16712 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16713 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16714 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16715 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16716 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16717 * sync-builtins.def: New file, moved from builtins.def.
16718 * omp-builtins.def: New file, moved from builtins.def.
16719 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16720 * gimple-low.c (lower_function_body): Clear data.
16721 (lower_stmt): Do not handle COMPOUND_EXPR.
16722 Remove call to print_node_brief.
16723 * c-tree.h (c_finish_omp_clauses): New prototype.
16724 (C_DECL_THREADPRIVATE_P): Define.
16725 (lookup_name_no_remap, c_omp_remap_private): Remove
16726 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16727 (check_for_loop_decls): Update decl.
16728 (lookup_name_no_remap, c_omp_remap_private): Declare.
16729 (build_indirect_ref, build_modify_expr, pushdecl,
16730 pushdecl_top_level): Move to c-common.h.
16731 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16732 before the switch, but just in the 2 places that need it.
16733 * c-decl.c (diagnose_mismatched_decls): Do not check for
16734 mismatched thread-local attributes when OLDDECL is marked
16735 threadprivate and NEWDECL has no thread-local attributes.
16736 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16737 (c_gimple_diagnostics_recursively): Rename from
16738 c_warn_unused_result_recursively. Invoke
16739 diagnose_omp_structured_block_errors.
16740 (check_for_loop_decls): Return a singular decl found.
16741 * langhooks.c (lhd_omp_predetermined_sharing): Return
16742 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16743 (lhd_omp_firstprivatize_type_sizes): New.
16744 (lhd_omp_assignment): New.
16745 (lhd_omp_predetermined_sharing): New.
16746 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16747 (struct lang_hooks_for_types): Add
16748 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16749 omp_predetermined_sharing, omp_disregard_value_expr,
16750 omp_private_debug_clause, omp_clause_default_ctor,
16751 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16752 (c_finish_omp_clauses): New.
16753 (c_finish_bc_stmt): Diagnose break within omp for.
16754 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16755 (build_unary_op): Return error_mark after reporting
16757 (build_modify_expr): Likewise.
16758 * gimplify.c: Include optabs.h and pointer-set.h.
16759 (enum gimplify_omp_var_data): Declare.
16760 (struct gimplify_omp_ctx): Declare.
16761 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16763 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16764 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16765 (splay_tree_compare_decl_uid): New.
16766 (new_omp_context): New.
16767 (delete_omp_context): New.
16768 (gimple_add_tmp_var): Call omp_add_variable.
16769 (gimplify_bind_expr): Likewise.
16770 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16771 true, disregard DECL_VALUE_EXPR on the decl if any.
16772 (gimplify_expr_in_ctx): New.
16773 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16774 omp_add_variable, omp_notice_variable, omp_is_private
16775 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16776 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16777 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16778 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16779 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16780 gimplify_omp_atomic): New.
16781 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16782 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16783 OMP_CRITICAL and OMP_ATOMIC.
16784 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16785 * c-pragma.h (enum pragma_kind): Add
16786 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16787 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16788 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16789 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16790 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16791 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16792 PRAGMA_OMP_THREADPRIVATE.
16793 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16794 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16795 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16796 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16797 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16798 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16799 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16800 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16801 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16802 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16803 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16804 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16805 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16807 (struct nesting_info): Add field_map,
16808 suppress_expansion, debug_var_chain.
16809 (create_nesting_tree): Initialize them.
16810 (lookup_field_for_decl): Use field_map.
16811 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16812 (convert_local_omp_clauses): New.
16813 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16814 (walk_body): Split out of walk_function.
16815 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16816 (convert_nonlocal_reference): Handle omp statements.
16817 (convert_local_reference): Likewise.
16818 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16819 (unnest_nesting_tree): New.
16820 (lower_nested_functions): Call it.
16821 (insert_field_into_struct): Make extern.
16822 (struct walk_stmt_info): Move to tree-gimple.h.
16823 (walk_stmts): Make extern.
16824 * omp-builtins.def: New file.
16825 * tree-iterator.c (expr_only): Clarify comment.
16826 * c-common.h (pushdecl_top_level, pushdecl,
16827 build_modify_expr, build_indirect_ref,
16828 c_finish_omp_master, c_finish_omp_critical,
16829 c_finish_omp_ordered, c_finish_omp_barrier,
16830 c_finish_omp_atomic, c_finish_omp_flush,
16831 c_finish_omp_for, c_split_parallel_clauses,
16832 omp_clause_default_kind, c_omp_sharing_predetermined,
16833 c_omp_remap_decl): Declare.
16834 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16835 (OBJS-common): Add omp-low.o.
16836 (c-omp.o, omp-low.o): Add.
16837 (gimplify.o): Add dependency on $(OPTABS_H).
16838 (GTFILES): Add omp-low.c.
16839 (gt-stringpool.h): Add.
16840 * tree-cfg.c (set_bb_for_stmt): Do not update the
16841 block-to-labels map if we are currently expanding to RTL.
16842 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16844 Handle IDENTIFIER_NODE.
16845 (tree_verify_flow_info): Do not ICE when emitting error
16846 messages about invalid labels.
16847 (dump_function_to_file): Reset CFUN before emitting the body
16849 (debug_function): New.
16850 * passes.c (init_optimization_passes): Schedule
16852 * langhooks-def.h (lhd_omp_predetermined_sharing,
16853 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16855 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16856 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16857 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16858 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16859 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16860 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16861 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16862 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16863 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16864 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16865 (LANG_HOOK_DECLS): Use them.
16867 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16868 Richard Henderson <rth@redhat.com>
16869 Jakub Jelinek <jakub@redhat.com>
16870 Diego Novillo <dnovillo@redhat.com>
16872 * c-parser.c (pragma_omp_clause): Define.
16873 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16874 (c_parser_compound_statement): Likewise.
16875 (c_parser_statement): Likewise.
16876 (c_parser_pragma): Handle omp pragmas.
16877 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16878 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16879 (c_parser_omp_clause_name, check_no_duplicate_clause,
16880 c_parser_omp_variable_list,
16881 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16882 c_parser_omp_clause_copyprivate,
16883 c_parser_omp_clause_default,
16884 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16885 c_parser_omp_clause_lastprivate,
16886 c_parser_omp_clause_nowait,
16887 c_parser_omp_clause_num_threads,
16888 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16889 c_parser_omp_clause_reduction,
16890 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16891 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16892 c_parser_omp_atomic, c_parser_omp_barrier,
16893 c_parser_omp_critical, c_parser_omp_flush,
16894 c_parser_omp_for_loop, c_parser_omp_for,
16895 c_parser_omp_master, c_parser_omp_ordered,
16896 c_parser_omp_sections_scope, c_parser_omp_sections,
16897 c_parser_omp_parallel, c_parser_omp_single,
16898 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16899 * c-pragma.c (init_pragma): Do omp pragma registration here.
16900 * c.opt (fopenmp): New flag.
16902 2006-01-18 Eric Christopher <echristo@apple.com>
16904 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16905 * config/darwin.h (GOMP_SELF_SPECS): Define.
16907 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16909 * rtl.h: Remove the prototype for reg_alloc.
16911 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16914 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16915 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16916 sjlj and dwarf2 exception handling.
16917 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16918 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16919 * pa/pa.c (function_value): Treat complex and vector types as
16921 (function_arg): Likewise. Only pass scalar floats in the floating
16922 point argument registers.
16923 * pa/t-slibgcc-dwarf-ver: New file.
16924 * pa/t-slibgcc-sjlj-ver: New file.
16925 * pa/t-slibgcc-elf-ver: Delete file.
16927 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16929 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16930 unlikely_test_section_p test.
16932 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16934 * mode-switching.c (optimize_mode_switching): Make it static.
16935 * basic-block.h: Remove the prototype for
16936 optimize_mode_switching.
16938 * modulo-sched.c (sms_schedule): Make it static.
16939 * rtl.h: Remove the prototype for sms_schedule.
16941 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16942 * rtl.h: Remove the prototype for gcse_after_reload_main.
16944 * reg-stack.c (reg_to_stack): Make it static.
16945 * rtl.h: Remove the prototype for reg_to_stack.
16947 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16949 * rtl.h: Remove the prototypes for regrename_optimize and
16950 copyprop_hardreg_forward.
16952 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16954 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16955 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16956 Test against the appropriate null constant for the mode.
16957 If 'fixup_overlap' is true, swap the operands if they overlap.
16958 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16959 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16960 alpha_split_tmode_pair and adjust for above change.
16961 * config/alpha/alpha.md (movtf_internal): Adjust call to
16962 alpha_split_tfmode_pair and rely on it to swap the operands.
16963 (movti_internal): New insn and post-reload splitter.
16964 (movti): New expander.
16966 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16968 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16971 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16973 * rtlanal.c (global_reg_mentioned_p_1,
16974 global_reg_mentioned_p): Remove.
16975 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16977 * flow.c (initialize_uninitialized_subregs): Make it static.
16978 * rtl.h: Remove the prototype for
16979 initialize_uninitialized_subregs.
16981 * function.c (instantiate_virtual_regs): Make it static.
16982 * function.h: Remove the prototype for
16983 instantiate_virtual_regs.
16985 * regmove.c (regmove_optimize, combine_stack_adjustments):
16987 * rtl.h: Remove the prototypes for regmove_optimize and
16988 combine_stack_adjustments.
16990 2006-01-17 Roger Sayle <roger@eyesopen.com>
16992 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16993 (size_cost): Encode costs in bytes so that a reg-reg addition is
16994 equivalent to COSTS_N_INSNS(1).
16995 (override_options): Use the size_cost.branch_cost as the default
16996 ix86_branch_cost when optimizing for size.
16998 2006-01-18 Ben Elliston <bje@au.ibm.com>
17000 * Makefile.in (D32PBIT_FUNCS): New.
17001 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
17002 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
17003 D64PBIT_FUNCS and D128PBIT_FUNCS.
17004 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
17005 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
17007 (decnumber_dep): Define.
17008 * doc/libgcc.texi (Decimal float library routines): New node.
17009 * config/dfp-bit.h, config/dfp-bit.c: New files.
17011 2006-01-18 Ben Elliston <bje@au.ibm.com>
17013 * expr.c (emit_move_change_mode): Always adjust addresses, not
17014 just during reload. Copy replacements only during reload.
17015 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
17016 emit_move_via_integer.
17018 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
17020 * Makefile.in (check-%, check-consistency): Use $${srcdir}
17021 instead of $(srcdir) and ${srcdir}.
17023 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
17026 PR middle-end/11135
17027 * arm.h (struct machine_function): Add pic_reg.
17028 * arm.c (arm_pic_register): Make unsigned.
17029 (arm_override_options): Only set arm_pic_register if
17030 TARGET_SINGLE_PIC_BASE.
17031 (use_return_insn): Only test for a pic register if it is fixed.
17032 (arm_compute_save_reg0_reg12_mask): Likewise.
17033 (thumb_compute_save_reg_mask): Likewise.
17034 (legitimate_pic_operand): Factor out some known invariants.
17035 (legitimize_pic_address): If we don't have a fixed pic register,
17036 then set up a pseudo in the function entry sequence. Handle the
17037 pic base being in a pseudo.
17038 (arm_load_pic_register): Handle the pic register being in a pseudo.
17039 (arm_expand_prologue): Only set up the pic register if it is fixed.
17040 (thumb_expand_prologue): Likewise.
17041 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
17042 (pic_load_addr_based_insn): Likewise.
17043 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
17046 2006-01-18 Ben Elliston <bje@au.ibm.com>
17048 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
17049 decimal float modes for all floating point registers.
17051 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
17052 match_code "mem" with match_test "macho_lo_sum_memory_operand".
17054 2006-01-17 Jakub Jelinek <jakub@redhat.com>
17057 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
17058 even when the pointer is not NULL.
17060 2006-01-16 Ian Lance Taylor <ian@airs.com>
17062 * common.opt (ftoplevel-reorder): New option.
17063 * cgraph.c (cgraph_asm_nodes): New global variable.
17064 (cgraph_asm_last_node): New static variable.
17065 (cgraph_order): New global variable.
17066 (cgraph_create_node): Set new order field.
17067 (cgraph_varpool_node): Likewise.
17068 (decide_is_variable_needed): Return true if not
17069 flag_toplevel_reorder.
17070 (cgraph_add_asm_node): New function.
17071 * cgraph.h (struct cgraph_node): Add order field.
17072 (struct cgraph_varpool_node): Add order field.
17073 (struct cgraph_asm_node): Define.
17074 (cgraph_asm_nodes, cgraph_order): Declare.
17075 (cgraph_add_asm_node): Declare.
17076 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
17078 (cgraph_varpool_assemble_pending_decls): Call it.
17079 (cgraph_output_pending_asms): New static function.
17080 (cgraph_finalize_compilation_unit): Call it.
17081 (struct cgraph_order_sort): Define.
17082 (cgraph_output_in_order): New static function.
17083 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
17084 !flag_toplevel_reorder case.
17085 * c-parser.c: Include "cgraph.h".
17086 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
17088 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
17089 than -fno-unit-at-a-time.
17090 * doc/invoke.texi (Option Summary): Mention
17091 -fno-toplevel-reorder.
17092 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
17093 -funit-at-a-time documentation.
17095 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
17096 Kazu Hirata <kazu@codesourcery.com>
17098 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
17100 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
17102 * Makefile.in (FUNCTION_H): New. Use it instead of
17103 function.h throughout the file.
17104 * function.h: Include tree.h.
17106 2006-01-17 Ben Elliston <bje@au.ibm.com>
17108 * recog.c: Separate some functions with whitespace.
17110 2006-01-16 Richard Henderson <rth@redhat.com>
17112 Merge from gomp branch:
17113 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
17114 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
17115 and rename from struct inline_data. Rename callee* to dst*;
17116 caller* to src*; add copy_decl hook, transform_call_graph_edges,
17117 transform_new_cfg, transform_return_to_modify, and
17118 transform_lang_insert_block flags; remove cloning_p, versioning_p,
17120 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
17121 (copy_decl_for_dup): Remove.
17122 * tree-inline.c (struct inline_data): Move to header.
17123 (insert_decl_map): Export.
17124 (remap_decl): Update for member name changes. Use copy_decl hook.
17125 Allow for replacement to be a non-decl. Remove dead code.
17126 (remap_type_1): Check for existing mapping.
17127 (remap_type): Export.
17128 (remap_decls): Update for member name changes.
17129 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
17130 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
17131 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
17132 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
17133 (tree_function_versioning, build_duplicate_type): Likewise.
17134 (copy_body_r): Likewise. Export.
17135 (copy_decl_for_dup): Split into ...
17136 (copy_decl_for_dup_finish, copy_decl_to_var,
17137 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
17138 (replace_ref_tree, inlining_p): Remove.
17140 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17142 * ifcvt.c (if_convert): Make it static.
17143 * rtl.h: Remove the prototype for if_convert.
17145 * local-alloc.c (local_alloc): Make it static.
17146 * rtl.h: Remove the prototype for local_alloc.
17148 * loop.c (loop_optimize): Make it static.
17149 * cfgloop.h: Remove the prototype for loop_optimize.
17152 2006-01-16 DJ Delorie <dj@redhat.com>
17154 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
17157 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17159 * pa.md: Disparage copies between general and floating-point registers
17160 in 32-bit move patterns.
17162 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
17165 * Makefile.in (check-%): Depend on site.exp instead of
17166 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
17169 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17171 * global.c (global_alloc): Make it static.
17172 * rtl.h: Remove the prototype for global_alloc.
17174 2006-01-16 Richard Guenther <rguenther@suse.de>
17176 * tree-ssa-alias.c (struct used_part): Add write_only field.
17177 (get_or_create_used_part_for): Initialize it to true.
17178 (create_overlap_variables_for): Don't create structure variables
17179 for structures that only are written to.
17180 (find_used_portions): Handle MODIFY_EXPR to track whether a
17181 structure is only written to.
17183 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17185 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
17187 * basic-block.h: Remove the prototype for
17188 partition_hot_cold_basic_blocks.
17190 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
17192 * cppspec.c (lang_specific_spec_functions): Remove.
17193 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
17194 * gcc.h (lang_specific_spec_functions): Remove.
17195 * gccspec.c (lang_specific_spec_functions): Remove.
17197 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
17199 * combine.c (record_value_for_reg): Invalidate registers
17201 (record_dead_and_set_regs_1): Likewise, by passing them to
17202 record_value_for_reg.
17203 (record_dead_and_set_regs): Invalidate stores made by a
17204 call. We do not combine across a call, but we still
17205 relied on equivalences.
17207 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17209 * tree-vrp.c (extract_range_from_binary_expr): Cope with
17210 vrp_int_const_binop returning non-constant nodes.
17212 2006-01-16 Paul Brook <paul@codesourcery.com>
17214 * config/m68k/m68k.c (output_move_const_into_data_reg):
17215 Output correct mnemonic for mvz and mvs.
17217 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
17219 * rtl-factoring.c: Add sequence abstraction algorithm.
17220 * cfgcleanup.c (outgoing_edges_match): Extra checks.
17221 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
17223 (block_has_preserve_label): New function.
17224 * common.opt: Register new pass.
17225 * Makefile.in: Ditto.
17227 * timevar.def: Ditto.
17228 * tree-pass.h: Ditto.
17229 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
17230 * rtl.h (make_jump_insn_raw): Add forward decl.
17231 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
17233 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17234 Roger Sayle <roger@eyesopen.com>
17236 * fold-const.c (fold_minmax): New static function.
17237 (fold_binary) <MIN_EXPR>: Call it.
17238 <MAX_EXPR>: Likewise.
17239 * stor-layout.c (place_field): Use DECL_SIZE consistently
17240 in the computation of the new record size.
17242 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17244 * cse.c (cse_condition_code_reg): Make it static.
17245 * rtl.h: Remove the prototype for cse_condition_code_reg.
17247 * combine.c (combine_instructions): Make it static.
17248 * rtl.h: Remove the prototype for combine_instructions.
17250 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17253 * tree.c (get_file_function_name_long): Concatenate the first global
17254 object name with a string derived from the input filename of the object
17257 2006-01-16 Ben Elliston <bje@au.ibm.com>
17259 * config/i386/winnt-stubs.c: Update FSF address.
17260 * config/xtensa/ieee754-df.S: Ditto.
17261 * config/xtensa/ieee754-sf.S: Ditto.
17263 2006-01-14 Ian Lance Taylor <ian@airs.com>
17265 * ifcvt.c (noce_init_if_info): New static function, broken out of
17266 noce_process_if_block.
17267 (noce_process_if_block): Call noce_init_if_info.
17268 (check_cond_move_block): New static function.
17269 (cond_move_process_if_block): New static function.
17270 (process_if_block): Call cond_move_process_if_block.
17272 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
17274 * cselib.c (hash_table): Rename to cselib_hash_table.
17275 (cselib_clear_table, discard_useless_values,
17276 remove_useless_values, cselib_lookup_mem, cselib_lookup,
17277 cselib_init, cselib_finish): Adjust uses of hash_table.
17279 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
17281 PR tree-optimization/25485
17282 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
17283 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
17284 is known to be false and true, respectively.
17286 2006-01-14 Richard Guenther <rguenther@suse.de>
17288 PR tree-optimization/22548
17289 PR tree-optimization/22555
17290 PR tree-optimization/22501
17291 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
17292 * params.def (salias-max-array-elements): New parameter.
17293 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
17294 * doc/invoke.texi (salias-max-array-elements): Document.
17295 * tree-flow-inline.h (var_can_have_subvars): We also handle
17297 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
17299 * tree-ssa-structalias.c (params.h): Include.
17300 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
17301 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
17302 (get_constraint_for): For ADDR_EXPR operating on something
17303 containing an ARRAY_REF, add all subvars to the solution.
17304 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
17305 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
17306 for creating MUST_DEFs.
17307 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
17309 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17311 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
17313 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
17314 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
17315 number_of_iterations_le): New functions.
17316 (number_of_iterations_special): Removed.
17317 (number_of_iterations_exit): Do not use number_of_iterations_special.
17318 * tree.c (unsigned_type_for): Always return integer type.
17320 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
17321 Richard Guenther <rguenther@suse.de>
17323 PR rtl-optimization/24257
17324 * gcse.c (find_moveable_store): Only consider a store movable
17325 when the SET_SRC of the insn can be assigned to a register.
17327 2006-01-14 Ian Lance Taylor <ian@airs.com>
17329 * tree.c (tree_not_class_check_failed): New function.
17330 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
17331 (tree_not_class_check_failed): Declare.
17333 2006-01-13 Ian Lance Taylor <ian@airs.com>
17335 * reload1.c (do_output_reload): Add assertion rejecting a
17338 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
17340 * combine.c (struct reg_stat): Add new fields truncation_label and
17342 (record_value_for_reg): Reset truncated_to_mode.
17343 (record_truncated_value): New function.
17344 (check_promoted_subreg): Call it. Rename to check_conversions.
17345 (combine_instructions): Rename check_promoted_subreg to
17347 (reg_truncated_to_mode): New function.
17348 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
17349 (gen_lowpart_or_truncate): New function.
17350 (force_to_mode): Use it instead of gen_lowpart.
17352 2006-01-13 Diego Novillo <dnovillo@redhat.com>
17354 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
17355 VAR is a tag, not its type tag.
17357 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
17359 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
17360 alternatives to match style of other entries.
17361 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
17363 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
17365 PR tree-optimization/25771
17366 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
17369 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
17372 * tree-inline.c (declare_return_variable): If the return variable
17373 was marked as a non gimple complex, set the return slot variable
17374 to be a non gimple comple variable.
17376 2006-01-13 Richard Guenther <rguenther@suse.de>
17378 * builtins.c (expand_builtin_sincos): New function.
17379 (expand_builtin_mathfn_3): Remove dead code, sin and cos
17381 (expand_builtin): Expand sincos using expand_builtin_sincos.
17383 2006-01-12 DJ Delorie <dj@redhat.com>
17385 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
17386 shift counts, separate SI shifts for m32c vs m16c, pass shift type
17387 so that constant shifts can be split.
17388 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
17389 (m32c_valid_pointer_mode): Make static.
17390 (shift_gen_func_for): New.
17391 (m32c_prepare_shift): Use it. Split large const shifts into
17393 * config/m32c/predicates.md (shiftcount_operand): Allow more
17395 (longshiftcount_operand): New.
17396 * doc/md.texi (Machine Constraints): Document In6.
17398 2006-01-13 Ben Elliston <bje@au.ibm.com>
17400 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
17401 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
17404 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
17406 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
17407 to try to avoid clobbering pieces of structures when we know
17408 something about the whole structure.
17409 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
17411 2006-01-13 Ben Elliston <bje@au.ibm.com>
17413 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
17414 return in memory, as this is no limitation is no longer present.
17416 2006-01-12 DJ Delorie <dj@redhat.com>
17418 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
17419 mova with fb, and for fb+0 -> An.
17421 * config/m32c/mov.md (peephole2): Fix enabling logic.
17423 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
17424 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
17425 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
17426 FINI_ARRAY_SECTION_ASM_OP): Define.
17428 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
17430 (m32c_legitimize_reload_address): New logic to reload FB to An.
17431 (m32c_output_reg_push): Add newline.
17432 (m32c_output_reg_pop): Likewise.
17434 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
17436 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
17438 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
17440 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
17442 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17444 * config/sh/predicates.md (sh_rep_vec): Add parallel to
17447 2006-01-11 Ben Elliston <bje@au.ibm.com>
17449 * rtlanal.c (find_reg_note): Assert insn is not null.
17451 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17453 * df-scan.c (df_hard_reg_init): Move declaration of i outside
17456 2006-01-11 Jeff Law <law@redhat.com>
17458 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
17460 (mark_threaded_blocks, register_jump_thread): New functions.
17461 (thread_through_all_blocks): Remove unwanted argument. No
17462 longer rely on e->aux to communicate thread target info.
17463 Call mark_threaded_blocks. Release the threaded_blocks
17464 bitmap and threaded_edges vector when complete.
17465 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
17466 (threaded_blocks): Remove.
17467 (tree_ssa_dominator_optimize): Remove initialization and
17468 finalization of threaded_blocks. Simplify call to
17469 thread_through_all_blocks.
17470 (thread_across_edge): Call register_jump_thread rather than
17471 storing thread information into e->aux.
17472 (free_all_edge_infos): Simplify now that e->aux is no longer
17473 used to communicate with thread_through_all_blocks.
17474 * tree-flow.h (thread_through_all_blocks): Update prototype.
17475 (register_jump_thread): Prototype.
17477 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17479 * df-core.c (df_compact_blocks, df_bb_replace): Use
17480 SET_BASIC_BLOCK instead of BASIC_BLOCK.
17482 2006-01-11 Richard Guenther <rguenther@suse.de>
17484 PR tree-optimization/25734
17485 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
17486 stop propagation after successful propagation to the LHS.
17488 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17490 * basic-block.h (control_flow_graph): Change the type of
17491 x_basic_block_info to VEC(basic_block,gc) *.
17492 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
17494 (SET_BASIC_BLOCK): New.
17495 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
17496 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
17497 * cfgbuild.c (find_basic_blocks): Likewise.
17498 * cfglayout.c (fixup_reorder_chain): Likewise.
17499 * cfgrtl.c (create_basic_block_structure,
17500 rtl_create_basic_block): Likewise.
17501 * ifcvt.c (find_if_case_1): Likewise.
17502 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
17505 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17507 * Makefile.in: Removed rotted odf.c entry.
17509 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
17512 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
17513 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
17514 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
17515 output pattern modifier, not %e.
17516 * config/cris/cris.c (cris_op_str): Update comment about pattern
17518 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
17519 before falling through into...
17520 <case 'E'>: Redefined from old 'e' case.
17522 2006-01-11 Jan Hubicka <jh@suse.cz>
17525 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
17527 2006-01-11 Jan Hubicka <jh@suse.cz>
17529 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
17530 * i386.c (x86_decompose_lea): Kill.
17531 (ix86_rtx_costs): Kill.
17533 2006-01-11 Jan Hubicka <jh@suse.cz>
17535 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
17536 * cgraph.h (cgraph_node): Add inline_decl.
17537 (cgraph_insert_node_to_hashtable): Declare.
17538 (save_inline_function_body): Declare.
17539 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
17541 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
17542 (cgraph_function_versioning): Update call of tree_function_versioning.
17543 (save_inline_function_body): New function.
17544 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
17545 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
17546 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
17547 (cgraph_default_inline_p): Likewise.
17548 (cgraph_decide_inlining_incrementally): Likewise.
17549 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
17550 (copy_bb): Kill saving; do updating of clones.
17551 (copy_cfg_body): Kill saving.
17552 (initialize_inlined-parameters): Likewise.
17553 (expand_call_inline): Likewise.
17555 (tree_function_versioning): New parameter "update_clones".
17556 (inlining_p): Kill saving.
17557 * tree-inline.h (tree_function_versioning): Update prototype.
17558 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
17561 2006-01-11 Ian Lance Taylor <ian@airs.com>
17563 * combine.c (struct undo): Remove is_int. Enumify types of undos.
17564 Allow undoing set of machine mode.
17565 (do_SUBST): Use enums instead of is_int.
17566 (do_SUBST_MODE): New function.
17567 (SUBST_MODE): New macro.
17568 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
17569 reg and trying to replace reg_regno_rtx with a new register.
17570 (undo_all): Use new enums, handle undoing a PUT_MODE change.
17571 (simplify_set): Use SUBST_MODE.
17572 (distribute_notes): Remove code that tried to update reg notes
17573 for regno_reg_rtx changes.
17575 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
17577 PR tree-optimization/23109
17578 PR tree-optimization/23948
17579 PR tree-optimization/24123
17581 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
17582 * tree-cfg.c (single_noncomplex_succ): New.
17583 * tree-flow.h (single_noncomplex_succ): Declare it.
17584 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17585 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17586 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
17587 insert_bb, register_division_in, insert_reciprocals,
17588 replace_reciprocal, free_bb): New.
17589 (execute_cse_reciprocals_1): Rewritten.
17590 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
17591 Do not commit any edge insertion. Always compute dominators and
17592 create the allocation pool.
17593 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
17594 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
17595 * targhooks.c (default_min_divistions_for_recip_mul): New.
17596 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
17597 * passes.c (init_optimization_passes): Run recip after tree loop
17599 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
17601 2006-01-11 Danny Berlin <dberlin@dberlin.org>
17602 Kenneth Zadeck <zadeck@naturalbridge.com>
17604 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
17605 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
17606 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
17607 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
17608 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
17609 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
17610 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
17611 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
17612 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
17613 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
17614 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
17615 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
17616 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
17617 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
17618 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
17619 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
17620 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
17621 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
17622 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
17623 DF_SCAN_POST_ALLOC): New macros.
17624 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
17625 df_free_bb_function, df_local_compute_function, df_init_function,
17626 df_dataflow_function, df_confluence_function_0,
17627 df_confluence_function_n, df_transfer_function,
17628 df_finalizer_function, df_free_function, df_dump_problem_function,
17629 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
17630 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
17631 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
17632 df_urec_bb_info, ) New types.
17633 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
17635 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
17636 df_analyze_simple_change_some_blocks,
17637 df_analyze_simple_change_one_block, df_compact_blocks,
17638 df_bb_replace, df_bb_regno_last_use_find,
17639 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
17640 df_insn_regno_def_p, df_find_def, df_find_use,
17641 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
17642 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
17643 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
17644 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
17645 debug_df_chain, df_get_dependent_problem, df_chain_create,
17646 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
17647 df_grow_bb_info, df_chain_dump, df_print_bb_index,
17648 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
17649 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
17650 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
17651 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
17652 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
17653 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
17654 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
17655 df_ref_remove, df_insn_refs_delete, df_refs_delete,
17656 df_reorganize_refs, df_set_state, df_hard_reg_init,
17657 df_read_modify_subreg_p) New public functions.
17658 * df-core.c: The core dataflow solver and glue routines for rtl
17660 (df_init, df_add_problem, df_set_blocks, df_finish,
17661 df_hybrid_search_forward, df_hybrid_search_backward,
17662 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
17663 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
17664 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
17665 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
17666 df_reg_defined, df_find_use, df_reg_used, df_dump,
17667 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
17668 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
17669 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
17670 debug_df_useno, reset_df_after_reload): New functions.
17671 * df-scan.c: The scanning fuctions, once in df.c, completely
17672 rewritten so that they now fully model the functionality of
17673 register usage at the backend.
17674 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
17675 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
17676 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
17677 df_grow_insn_info, df_rescan_blocks, df_ref_create,
17678 df_get_artificial_defs, df_get_artificial_uses,
17679 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17680 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17681 df_refs_delete, df_reorganize_refs, df_set_state,
17682 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17683 df_def_record_1, df_defs_record, df_uses_record,
17684 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17685 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17686 df_record_exit_block_uses, df_hard_reg_init): New functions.
17688 * df-problems.c: Seven concrete dataflow problems that use the
17689 scanning in df-scan.c and are solved by the engine in df-core.c.
17690 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17691 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17692 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17693 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17694 df_ru_free_bb_info, df_ru_alloc,
17695 df_ru_bb_local_compute_process_def,
17696 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17697 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17698 df_ru_transfer_function, df_ru_free, df_ru_dump,
17699 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17700 df_rd_free_bb_info, df_rd_alloc,
17701 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17702 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17703 df_rd_transfer_function, df_rd_free, df_rd_dump,
17704 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17705 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17706 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17707 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17708 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17709 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17710 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17711 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17712 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17713 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17714 df_urec_mark_reg_change, df_urec_check_earlyclobber,
17715 df_urec_mark_reg_use_for_earlyclobber,
17716 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17717 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17718 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17719 df_urec_dump, df_urec_add_problem, df_chain_alloc,
17720 df_chain_create_bb_process_use, df_chain_create_bb,
17721 df_chain_finalize, df_chain_free, df_chains_dump,
17722 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17723 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17724 df_reg_lifetime): New functions.
17725 * df.c: Deleted file.
17726 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17727 consistent with new df api.
17728 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17729 rest_of_handle_sms): Ditto.
17730 * web.c (unionfind_union, union_defs, entry_register, web_main):
17732 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17733 invariant_expr_equal_p, find_defs, check_dependencies,
17734 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17735 free_inv_motion_data, move_loop_invariants): Ditto.
17736 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17737 Update dependencies.
17738 (odf.c): Added defective entry that was deleted later in day.
17739 * sched-deps.c (sched_analyze_1): Ditto.
17741 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17743 * tree-ssa-operands.c (get_expr_operands): Record addressable
17744 variables directly. Do not call add_stmt_operands for CONST_DECLs
17746 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17747 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17749 2006-01-11 Ben Elliston <bje@au.ibm.com>
17751 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17752 function returns true in the positive case.
17754 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17757 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17758 for SI, DI, SF and DF modes. Add alternatives to copy between
17759 general and floating point registers to the 32-bit patterns.
17760 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17761 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17762 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17763 generating 64-bit code.
17764 * config/pa/pa.c (output_move_double): Handle copies between general
17765 and floating registers.
17767 2006-01-10 Stuart Hastings <stuart@apple.com>
17769 * config/i386/i386.md (set_got): Update.
17770 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17771 (builtin_setjmp_receiver): Mach-O support.
17772 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17773 (GOT_SYMBOL_NAME): Define.
17774 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17775 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17776 * config/i386/i386.c (override_options): Revise for Darwin.
17777 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17778 support. (darwin_x86_file_end): New. (output_set_got): Add label
17779 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17780 * config/i386/i386-protos.h (output_set_got): Likewise.
17781 * config/darwin.c (machopic_legitimize_pic_address): Update
17784 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17786 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17787 when MODE isn't BLKmode.
17789 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17791 PR rtl-optimization/25367
17792 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17794 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17797 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17798 for a negative bound.
17800 2006-01-10 Richard Guenther <rguenther@suse.de>
17802 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17803 Never override with anything constraint.
17805 2006-01-10 Jan Beulich <jbeulich@novell.com>
17807 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17808 256 bits when optimize_size.
17810 2006-01-10 Jan Beulich <jbeulich@novell.com>
17812 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17814 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17815 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17818 2006-01-10 Ben Elliston <bje@au.ibm.com>
17820 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17822 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17823 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17824 (USE_FP_FOR_ARG): Reject decimal float modes.
17825 (function_arg_advance): Likewise.
17826 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17827 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17828 point types in AltiVec vectors.
17829 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17830 (rs6000_libcall_value): Likewise.
17832 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17834 * config/xtensa/ieee754-df.S: New file.
17835 * config/xtensa/ieee754-sf.S: New file.
17836 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17837 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17838 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17840 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17842 * config/sh/predicates.md (binary_float_operator,
17843 binary_logical_operator, commutative_float_operator,
17844 equality_comparison_operator, greater_comparison_operator,
17845 less_comparison_operator, logical_operator,
17846 noncommutative_float_operator, shift_operator,
17847 symbol_ref_operand, unary_float_operator): Remove redundant
17850 2006-01-09 Jeff Law <law@redhat.com>
17852 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17853 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17854 now unused arguments. Callers updated.
17855 (eliminate_redundant_computations): Remove now unused arguments,
17857 (local_fold): Remove, no longer used.
17858 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17860 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17861 (simplify_cond): New function.
17862 (forward_propagate_into_cond): Call simplify_cond.
17864 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17866 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17867 (*vec_extractv2di_1_sse): New.
17869 2006-01-09 Ben Elliston <bje@au.ibm.com>
17871 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17873 2006-01-08 Richard Guenther <rguenther@suse.de>
17875 * tree-ssa-structalias.c (get_constraint_for): Remove
17876 anyoffset argument.
17877 (get_constraint_for_component_ref): Likewise.
17878 (do_deref): Likewise.
17879 (get_constraint_for): Likewise.
17880 (do_structure_copy): Likewise.
17881 (handle_ptr_arith): Likewise.
17882 (find_func_aliases): Likewise. Remove unused need_anyoffset
17885 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17886 Kaz Kojima <kkojima@gcc.gnu.org>
17888 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17889 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17890 (EXTRA_CONSTRAINT_C16): Remove.
17891 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17892 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17893 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17894 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17895 constants of SHmedia. Handle nested constant expressions of
17897 (andcosts): Fix the costs for SHmedia constants.
17898 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17899 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17900 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17901 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17902 (movv4hi_i, movv2si_i): Likewise.
17903 (movsi_const): Adjust the second operand of ior so to match with
17904 the Csu constraint.
17905 (movdi_const, movdi_const_32bit): Likewise.
17906 (movdi_const_16bit+1): Don't sign-extend LOW.
17907 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17909 (*double_shori): Fix the split condition. Use GEN_INT instead
17910 of get_int_mode calls. Mask lower 16-bit of the argument of
17912 (sym2GOTPLT): Remove.
17913 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17915 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17916 instead of EXTRA_CONSTRAINT_C16.
17918 2006-01-07 Ian Lance Taylor <ian@airs.com>
17919 David Edelsohn <edelsohn@gnu.org>
17921 PR rtl-optimization/25662
17922 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17923 for constant operands instead of simplify_gen_binary.
17924 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17925 after trying simplify_binary_operation
17927 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17929 * tree.c (iterative_hash_expr): Hash decls based on UID.
17931 2006-01-06 Eric Christopher <echristo@apple.com>
17933 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17934 (TARGET_UNWIND_EMIT): Fix spelling.
17935 * target.h (gcc_target): Add except_table_label.
17936 * except.c (output_function_exception_table): Use.
17937 * varasm.c (default_emit_except_table_label): New.
17938 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17940 (asm_out): Add here.
17941 * output.h (default_emit_except_table_label): Prototype.
17942 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17943 * config/darwin.c (darwin_emit_except_table_label): Define.
17944 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17946 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17948 PR tree-optimization/18527
17949 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17950 number_of_iterations_special, number_of_iterations_exit):
17951 Move base and step of an iv to a single structure. Add
17952 no_overflow flag, and use it in # of iterations analysis.
17953 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17954 folded_casts argument.
17955 (simple_iv): Pass base and step in a structure. Set no_overflow
17957 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17958 Evaluate expensiveness of computing # of iterations instead of
17959 the final expression.
17960 * tree-scalar-evolution.h (affine_iv): New structure.
17961 (simple_iv): Declaration changed.
17962 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17963 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17964 find_givs_in_stmt): Changed due to simple_iv change.
17966 2006-01-06 Jeff Law <law@redhat.com>
17969 * tree-cfg.c (bsi_replace): Rename final argument from
17970 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17971 change (stmt -> orig_stmt).
17972 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17973 (bsi_remove): Add new argument. Remove EH information
17975 (verify_eh_throw_table_statements): New function.
17976 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17978 * tree-optimize.c (execute_free_cfg_annotations): Verify
17979 the EH throw statement table after removing annotations.
17980 * except.h (verify_eh_throw_table_statements): Prototype.
17981 * tree-flow.h (bsi_remove): Update prototype.
17982 * tree-vrp.c (remove_range_assertions): Add new argument to
17984 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17985 * tree-complex.c (expand_complex_div_wide): Likewise.
17986 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17987 * tree-tailcall.c (eliminate_tailcall): Likewise.
17988 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17989 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17990 * tree-nrv.c (tree_nrv): Likewise.
17991 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17992 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17993 (combine_blocks): Likewise.
17994 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17995 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17996 (cleanup_control_flow): Likewise.
17997 (remove_forwarder_block): Likewise.
17998 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17999 * tree-sra.c (sra_replace): Likewise.
18000 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
18001 (forward_propagate_single_use_vars): Likewise.
18002 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
18003 * tree-inline.c (expand_call_inline): Likewise.
18004 * tree-vect-transform.c (vect_transform_loop): Likewise.
18005 * tree-outof-ssa.c (rewrite_trees): Likewise.
18006 * tree-cfg.c (make_goto_expr_edges): Likewise.
18007 (cleanup_dead_labels): Likewise.
18008 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
18009 (bsi_move_before, bsi_move_after): Likewise.
18010 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
18011 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
18013 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
18016 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
18018 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
18019 on non gimple variables. Also add checks at the top for decls and
18021 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
18023 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
18024 and IMAGPART_EXPR for creating MUST_DEFs.
18025 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
18026 and NAME_MEMORY_TAG separately from the DECLs.
18028 2006-01-06 Richard Guenther <rguenther@suse.de>
18030 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
18031 annotation, if necessary.
18032 * tree-ssa-pre.c (create_expression_by_pieces): Remove
18033 redundant calls to update_stmt.
18034 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
18037 2006-01-05 Richard Henderson <rth@redhat.com>
18039 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
18041 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18043 * c-typeck.c: Update copyright date.
18045 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18047 * c-typeck.c (build_c_cast): Always warn when casting
18048 from a pointer to an integer of different size, even if
18049 the node was constant.
18051 2006-01-05 Richard Guenther <rguenther@suse.de>
18053 PR tree-optimization/22555
18054 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
18055 if one structure field is an array.
18056 * tree-ssa-operands.c (get_expr_operands): Continue scanning
18057 operands even if we found a subvar, but ignore VOPs in this
18059 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
18061 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
18063 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
18065 PR middle-end/24998
18066 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
18068 2006-01-05 Richard Guenther <rguenther@suse.de>
18069 Diego Novillo <dnovillo@redhat.com>
18071 * tree-pass.h (TODO_remove_unused_locals): Define.
18072 * gimple-low.c (expand_var_p, remove_useless_vars,
18073 pass_remove_useless_vars): Remove. Update all users.
18074 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
18075 (remove_unused_locals): New function.
18076 * tree-flow.h (remove_unused_locals): Declare.
18077 * passes.c (execute_todo): Call remove_unused_locals if
18078 TODO_remove_unused_locals is set.
18079 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
18080 * tree-ssa-dce.c (pass_dce): Likewise.
18081 * tree-outof-ssa.c (pass_del_ssa): Likewise.
18083 2006-01-05 Richard Guenther <rguenther@suse.de>
18085 * tree-flow.h (struct fieldoff): Decompose field to
18086 type, size and decl.
18087 * tree-ssa-alias.c (create_sft): Take type as parameter.
18088 (create_overlap_variables_for): Store type, size and decl
18089 in the fieldoff structure.
18090 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
18091 of struct fieldoff.
18092 (push_fields_onto_fieldstack): Likewise.
18093 (create_variable_info_for): Likewise. Use offset for the
18094 SFT name if the decl is not available.
18096 2006-01-04 Paul Brook <paul@codesourcery.com>
18098 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
18100 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
18102 * lambda-code.c (can_put_in_inner_loop): Relax
18104 (can_put_after_inner_loop): New function.
18105 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
18106 (perfect_nestify): Change to make copies and modify uses.
18108 2006-01-04 Richard Henderson <rth@redhat.com>
18110 Merge from gomp branch:
18111 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
18112 via integer constant.
18113 (pragma_lex): Remove.
18114 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
18115 rather than parsing it.
18116 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
18117 handle_pragma_extern_prefix): Add %< %> quotes.
18118 (registered_pragmas): New.
18119 (c_register_pragma_1): New.
18120 (c_register_pragma): Use it.
18121 (c_register_pragma_with_expansion): Likewise.
18122 (c_invoke_pragma_handler): New.
18123 (init_pragma): Use cpp_register_deferred_pragma directly for
18125 * c-pragma.h (enum pragma_kind): New.
18126 (pragma_handler): New.
18127 (c_invoke_pragma_handler): Declare.
18128 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
18130 * c-common.h (c_common_pch_pragma): Update decl.
18131 * Makefile.in (c-parser.o): Update dependencies.
18132 (GTFILES): Add c-pragma.h.
18133 * c-parser.c (struct c_token): Add pragma_kind.
18134 (struct c_parser): Add in_pragma.
18135 (c_lex_one_token): Always initialize keyword and pragma_kind.
18136 Extract data for CPP_PRAGMA.
18137 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
18138 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
18139 Don't allow CPP_PRAGMA_EOL if in_pragma.
18140 (c_parser_consume_pragma): New.
18141 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
18142 (c_parser_skip_to_end_of_parameter): Likewise.
18143 (c_parser_skip_to_end_of_block_or_statement): Likewise.
18144 (c_parser_skip_to_pragma_eol): New.
18145 (c_parser_external_declaration): Handle CPP_PRAGMA.
18146 (c_parser_compound_statement_nostart): Likewise.
18147 (c_parser_statement_after_labels): Likewise.
18148 (c_parser_pragma): New.
18149 (pragma_lex): Likewise.
18150 (c_parser_pragma_pch_preprocess): New.
18151 (c_parser_new): Merge into ...
18152 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
18154 2006-01-04 Jeff Law <law@redhat.com>
18157 * tree-cfg.c (bsi_replace): Remove the original statement
18158 from the EH throw statement table.
18160 2006-01-04 Jakub Jelinek <jakub@redhat.com>
18162 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
18163 make the prototype extern "C" and add throw ().
18166 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
18167 and pos non-negative and pos + len <= 32.
18168 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
18169 drop pos + len < HOST_BITS_PER_WIDE_INT test.
18170 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
18173 * c-common.c (handle_vector_size_attribute): Reject zero vector size
18174 as well as sizes not multiple of component size.
18177 * function.c (instantiate_expr): New function.
18178 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
18179 walk its DECL_VALUE_EXPR with instantiate_expr.
18181 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
18182 DW_OP_deref{,_size} if address isn't going to be added.
18184 2006-01-04 Ben Elliston <bje@au.ibm.com>
18186 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
18187 * config/fp-bit.c: Likewise.
18189 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
18191 * dominance.c: Add comment about why we use DFS numbering
18194 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18195 Richard Henderson <rth@redhat.com>
18197 Merge from gomp-branch:
18198 * varasm.c (assemble_variable): Handle thread-local COMMON data.
18199 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
18201 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
18203 PR rtl-optimization/25578
18204 * combine.c (combine_simplify_rtx, force_to_mode): Don't
18205 pass a parameter to simplify_shift_const if changing ASHIFTRT
18208 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
18210 * builtins.c (get_builtin_sync_mem): New function.
18211 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
18212 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
18213 Call get_builtin_sync_mem to generate mem rtx.
18215 2006-01-03 Richard Guenther <rguenther@suse.de>
18218 * stmt.c (add_case_node): Make sure to clear overflow flags
18221 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18223 Merge from gomp-branch.
18224 * config/sparc/sync.md: New file.
18225 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
18226 UNSPECV_LDSTUB): New constants.
18227 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
18228 * config/sparc/predicates.md (memory_reg_operand): New predicate.
18229 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
18232 2006-01-03 Roger Sayle <roger@eyesopen.com>
18234 * combine.c (reg_subword_p): New predicate to test whether the
18235 destination of a set refers to a subword/piece of a register.
18236 (try_combine): Generalize the code to merge the setting of a
18237 pseudo to a constant followed by a set of a subword of that
18238 register to a constant.
18240 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
18242 * basic-block.h (control_flow_graph): Change the type of
18243 x_label_to_block_map to VEC(basic_block,gc) *.
18244 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
18245 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
18247 * tree-ssa-propagate.c (cfg_blocks): Change the type to
18248 VEC(basic_block,heap) *.
18249 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
18250 ssa_prop_fini): Adjust the uses of cfg_blocks.
18252 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
18254 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
18256 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
18257 hashing trees instead of a pointer hash.
18258 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
18259 compare for MEM_EXPR.
18261 PR rtl-optimization/25130
18262 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
18263 when comparing MEMs for GCSE
18265 2006-01-03 Ben Elliston <bje@au.ibm.com>
18267 * targhooks.h (default_decimal_float_supported_p): Declare.
18268 * targhooks.c (default_decimal_float_supported_p): Define.
18269 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
18270 `default_decimal_float_supported_p'.
18271 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
18273 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
18275 * combine.c (apply_distributive_law <SUBREG>): Check
18276 TRULY_NOOP_TRUNCATION.
18278 2006-01-02 Geoffrey Keating <geoffk@apple.com>
18280 * dwarf2out.c (have_switched_text_section): Delete.
18281 (have_multiple_function_sections): New.
18282 (have_location_lists): Make 'bool'.
18283 (add_AT_loc_list): Use 'true' not '1'.
18284 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
18285 (output_loc_list): Use have_multiple_function_sections.
18286 (output_ranges): Likewise.
18287 (dwarf2out_begin_function): Set have_multiple_function_sections if
18289 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
18290 Check function_section rather than DECL_SECTION_NAME.
18291 (dwarf2out_finish): Use have_multiple_function_sections.
18292 Don't clear have_location_lists.
18294 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
18295 Jan Hubicka <jh@suse.cz>
18297 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
18298 case of conditional jump jumping to the next instruction.
18299 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
18300 cases of conditional jump jumping to the next instruction.
18302 2006-01-02 Jan Hubicka <jh@suse.cz>
18304 * i386.c (*_cost): Add COSTS_N_INSNS.
18305 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
18307 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
18310 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
18312 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
18314 * config/arm/arm.c (all_fpus): Fix comment typo.
18315 * config/darwin.c: Likewise.
18316 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
18317 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
18318 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
18320 2006-01-01 David Edelsohn <edelsohn@gnu.org>
18322 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
18323 (rs6000_split_compare_and_swapqhi): New.
18324 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
18325 (sync_compare_and_swapqhi_internal): New.
18326 * config/rs6000/rs6000-protos.h: Declare.