1 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3 * tree-flow.h (name_mappings_registered_p): Declare.
4 * tree-into-ssa.c (name_mappings_registered_p): New function.
5 * tree-cfg.c (tree_can_merge_blocks_p): Check
6 name_mappings_registered_p instead of need_ssa_update_p.
8 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
10 * tree-ssa-loop.c (tree_vectorize): Return the result of
12 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
14 * tree-vectorizer.h (vectorize_loops): Declaration removed.
15 * tree-flow.h (vectorize_loops): Declaration changed.
17 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
19 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
21 (issue_prefetch_ref): Move assignment to write_p out of loop.
22 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
23 SIMULTANEOUS_PREFETCHES into account.
24 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
25 * lambda-code.c (lcm): Renamed to ...
26 (least_common_multiple): ... and exported.
27 * tree-flow.h (least_common_multiple): Declare.
29 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
31 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
32 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
33 ud-chains. Handle AND_EXPR.
34 (record_estimate): Record whether the estimate is realistic
35 and whether it is derived from a loop exit.
36 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
37 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
39 (compute_estimated_nb_iterations): Take only realistic bounds into
40 account. Set estimate_state. Use double_ints.
41 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
42 and infer_loop_bounds_from_signedness. Do not consider basic blocks
43 that do not have to be always executed.
44 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
45 to determine whether to call infer_loop_bounds_from_undefined
46 and compute_estimated_nb_iterations.
47 (n_of_executions_at_most): Use double_ints.
48 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
49 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
50 * double-int.c (double_int_to_tree): Improve comment.
51 (double_int_fits_to_tree_p): New function.
52 * double-int.h (double_int_fits_to_tree_p): Declare.
53 * tree-data-ref.c: Include langhooks.h.
54 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
55 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
56 (analyze_array): Do not pass estimate_only argument to
57 analyze_array_indexes.
58 (get_number_of_iters_for_loop): Build tree from the stored double_int
60 (get_references_in_stmt, find_data_references_in_stmt): New functions.
61 (find_data_references_in_loop): Use find_data_references_in_stmt.
62 * tree-data-ref.h (struct data_ref_loc_d): New.
63 (get_references_in_stmt): Declare.
64 (estimate_iters_using_array): Declaration removed.
65 * cfgloop.h (struct nb_iter_bound): Change type of bound to
66 double_int. Improve comments. Add is_exit and realistic
68 (struct loop): Changed type of estimated_nb_iterations to double_int.
69 Added estimate_state field.
70 (record_estimate): Declaration removed.
72 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
74 * params.c (set_param_value): Initialize the "set" field.
75 * params.h (struct param_info): Add "set" field.
76 (PARAM_SET_P): New macro.
77 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
78 L1_CACHE_LINE_SIZE): New macros.
79 * toplev.c (DEFPARAM): Initialize the "set" field.
80 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
81 SIMULTANEOUS_PREFETCHES): Removed.
82 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
83 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
84 * config/sparc/sparc.c: Include params.h.
85 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
86 L1_CACHE_LINE_SIZE parameters.
87 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
89 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
91 * config/i386/i386.c: Include params.h.
92 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
93 (override_options): Set SIMULTANEOUS_PREFETCHES and
94 L1_CACHE_LINE_SIZE parameters.
95 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
96 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
97 L1_CACHE_LINE_SIZE parameters.
98 * config/ia64/ia64.c (ia64_optimization_options): Set
99 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
100 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
102 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
103 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
104 * doc/invoke.texi: Document new params.
106 2006-11-12 Roger Sayle <roger@eyesopen.com>
108 PR tree-optimization/13827
109 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
112 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
114 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
115 update_single_exit_for_duplicated_loops): New functions.
116 (duplicate_loop_to_header_edge): Use
117 update_single_exit_for_duplicated_loops.
118 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
119 functions only with ENABLE_CHECKING.
121 2006-11-12 Andreas Schwab <schwab@suse.de>
123 * except.c (sjlj_emit_function_enter): Remove unused variable.
125 2006-11-11 Roger Sayle <roger@eyesopen.com>
127 * fold-const.c (int_binop_types_match_p): New function.
128 (size_binop): Relax constraint that both arguments must both have
129 exactly the same sizetype type. Instead use int_binop_types_match_p.
130 (size_diffop): Likewise.
132 (make_range): Use build_int_cst instead of fold_convert.
133 (fold_cond_expr_with_comparison): Use build_int_cst to construct
134 integer constants of the correct type.
135 (fold_div_compare): Likewise.
136 (fold_single_bit_test): Likewise.
137 (fold_binary): Likewise.
138 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
139 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
141 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
144 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
145 non null value if the struct memory access is in the 0th
148 2006-11-12 Jie Zhang <jie.zhang@analog.com>
151 2006-11-11 Jie Zhang <jie.zhang@analog.com>
152 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
155 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
156 instead of builtin_define for bfin and BFIN.
158 2006-11-11 Jie Zhang <jie.zhang@analog.com>
160 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
163 2006-11-11 Jan Hubicka <jh@suse.cz>
165 * extended.texi (__builtin_expect): We no longer require second argument
167 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
168 * builtins.c (expand_builtin_expect): Simplify.
169 (expand_builtin_expect_jump): Kill.
170 * final.c (final_scan_insn): Do not skip the removed notes.
171 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
172 EXPECTED_VALUE): Remove.
173 * dojump.c (do_jump): Do not care about __builtin_expect.
174 * predict.c (expected_value_to_br_prob): Kill.
175 * function.c (expand_function_end): Do not expand
176 NOTE_INSN_REPEATED_LINE_NUMBER.
177 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
178 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
179 * cfgexpand.c (add_reg_br_prob_note): Export.
180 * cfgcleanup.c (rest_of_handle_jump2): Do not call
181 expected_value_to_br_prob.
182 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
183 * rtl.h (add_reg_br_prob_note): Declare.
185 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
187 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
189 2006-11-11 Jan Hubicka <jh@suse.cz>
191 * predict.c (predict_loops): Kill RTL variant.
193 2006-11-11 Jan Hubicka <jh@suse.cz>
195 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
196 * modulo-sched.c (find_line_note): Remove.
197 (loop_canon_p): Do not worry about line number notes.
198 (sms_schedule): Likewise.
199 * cse.c (cse_main): Likewise.
200 * regmove.c (fixup_match_1): Likewise
201 * function.c (emit_return_info_block): Likewise.
202 (expand_function_end): Likewise.
203 (thread_prologue_an_epilogue_insns): Likewise.
204 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
206 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
207 emit_note_copy_after): Kill.
208 (emit_note_copy): Do not worry about line numbers.
209 * jump.c (purge_line_number_notes): Kill.
210 (pass_purge_lineno_notes): Kill.
211 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
213 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
214 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
215 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
216 * tree-pass.h (pass_purge_lineno_notes): Kill.
217 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
218 rm_redundant_line_notes.
219 * sched-rgb.c (schedule_region): Don't rm_line_notes,
220 rm_redundant_line_notes.
221 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
222 * haifa-sched.c: Update comment about handling notes.
223 (unlink_line_notes): Kill.
224 (rm_line_notes): Kill.
225 (save_line_notes): Simplify.
226 (rm_redundant_line_notes): Kill.
228 2006-11-11 Richard Guenther <rguenther@suse.de>
230 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
231 Remove unused tree codes.
232 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
233 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
234 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
235 * tree.c (stabilize_reference): Likewise.
236 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
237 fold_unary): Likewise.
238 * tree-gimple.c (is_gimple_cast): Likewise.
239 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
240 * expr.c (expand_expr_real_1): Likewise.
241 * tree-eh.c (tree_could_trap_p): Likewise.
242 * gimplify.c (gimplify_expr): Likewise.
243 * tree-inline.c (estimate_num_insns_1): Likewise.
244 * tree-cfg.c (verify_expr): Likewise.
246 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
248 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
249 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
250 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
252 2006-11-11 Richard Sandiford <richard@codesourcery.com>
255 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
256 constraints accept neither registers or memories.
258 2006-11-11 Jie Zhang <jie.zhang@analog.com>
260 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
261 (NO_PROFILE_COUNTERS): Define as 1.
263 2006-11-10 Roger Sayle <roger@eyesopen.com>
265 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
266 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
268 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
270 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
272 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
274 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
275 (fold_builtin_hypot): Likewise.
276 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
278 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
280 2006-11-10 Roger Sayle <roger@eyesopen.com>
282 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
283 when attempting to build INTEGER_CSTs of non-integral types.
284 * expmed.c (make_tree): Use the correct type, i.e. the inner
285 type, when constructing the individual elements of a CONST_VECTOR.
287 2006-11-10 Jan Hubicka <jh@suse.cz>
289 * cse.c (cse_process_notes): Copy the propagated value.
290 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
292 * gcse.c (try_replace_reg): Copy the replacement.
293 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
294 (assign_386_stack_local): Always return copied memory expression
295 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
298 2006-11-10 Jan Hubicka <jh@suse.cz>
300 * final.c (final): Walk from first instruction.
301 * cfglayout.c (insn_locators_initialize): Remove line number notes.
303 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
306 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
308 (umulv8hi3_highpart): Ditto.
309 (vec_widen_smult_hi_v8hi): New expander.
310 (vec_widen_smult_lo_v8hi): Ditto.
312 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
314 * builtins.c (do_mpfr_arg3): New.
315 (fold_builtin_1): Handle builtins fma, fmin and fmax.
317 2006-11-09 Eric Christopher <echristo@apple.com>
322 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
323 * config.gcc (powerpc64-*-darwin*): New target.
324 * config.host: Ditto.
325 * config/rs6000/darwin64.h: New file.
326 * config/rs6000/x-darwin64: Ditto.
327 * config/rs6000/host-ppc64-darwin.c: Ditto.
329 2006-11-09 Steve Ellcey <sje@cup.hp.com>
331 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
332 routines for integer division.
334 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
336 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
338 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
341 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
343 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
345 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
346 simplify_subreg with BLKmode outer mode.
348 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
350 * doc/invoke.texi: Minor formatting fixes in option lists.
352 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
354 PR tree-optimization/29738
355 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
356 (ccp_lattice_t): Remove UNKNOWN_VAL.
357 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
358 Do not handle UNKNOWN_VAL.
359 (get_default_value): Set initial value of virtual operands to
361 (get_value): Always use get_default_value on uninitialized
363 (set_value_varying, surely_varying_stmt_p): New functions.
364 (set_lattice_value): Do not pass argument to get_value.
365 Do not handle UNKNOWN_VAL.
366 (likely_value): Follow the semantics described in the comment.
367 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
368 phi nodes DONT_SIMULATE_AGAIN.
369 (ccp_fold): Do not pass argument to get_value.
370 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
373 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
375 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
376 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
378 2006-11-08 Roger Sayle <roger@eyesopen.com>
380 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
381 test for inclusion rather than as a test for exclusion.
382 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
383 the condition after calling fold_binary.
384 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
385 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
386 * builtins.c (fold_builtin_isascii): Likewise.
387 (fold_builtin_isdigit): Likewise.
389 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
391 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
392 * configure: Regenerate.
394 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
396 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
397 enum argument instead of bool.
398 (vect_analyze_operations): Call vectorizable_type_promotion.
399 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
400 stmt_vec_info_type value.
401 (supportable_widening_operation, vectorizable_type_promotion): New
402 function declarations.
403 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
404 (vectorizable_type_promotion): New function.
405 (vect_transform_stmt): Call vectorizable_type_promotion.
406 * tree-vect-analyze.c (supportable_widening_operation): New function.
407 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
409 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
412 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
413 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
414 * tree-inline.c (estimate_num_insns_1): Add cases for above new
416 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
417 * expr.c (expand_expr_real_1): Likewise.
418 * optabs.c (optab_for_tree_code): Likewise.
419 (init_optabs): Initialize new optabs.
420 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
421 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
422 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
423 vec_unpacku_lo_optab): Initialize new optabs.
424 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
425 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
426 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
428 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
429 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
430 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
431 (vec_unpacku_lo_optab): New optabs.
432 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
433 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
434 (vec_widen_smult_hi, vec_widen_smult_lo): New.
435 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
436 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
437 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
439 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
440 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
441 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
442 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
443 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
444 implement the unsigned unpacking patterns.
445 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
446 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
447 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
448 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
449 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
450 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
451 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
452 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
453 multiplication patterns.
455 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
456 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
457 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
458 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
459 (rs6000_builtin_mul_widen_odd): New.
460 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
461 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
462 * tree-vectorizer.h (enum vect_relevant): New enum type.
463 (_stmt_vec_info): Field relevant chaned from bool to enum
465 (STMT_VINFO_RELEVANT_P): Updated.
466 (STMT_VINFO_RELEVANT): New.
467 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
468 instead of STMT_VINFO_RELEVANT_P.
469 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
470 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
471 and boolean variable with enum vect_relevant.
472 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
473 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
474 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
476 2006-11-08 Richard Henderson <rth@redhat.com>
478 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
479 vec_widen_umult_lo_v8hi): New.
480 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
481 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
483 * config/i386/i386.c (ix86_expand_sse_unpack): New.
484 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
485 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
486 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
487 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
488 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
489 vec_unpacks_lo_v4si): New.
491 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
493 * tree-vect-transform.c (vectorizable_type_demotion): New function.
494 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
495 (vect_analyze_operations): Call vectorizable_type_demotion.
496 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
497 stmt_vec_info_type value.
498 (vectorizable_type_demotion): New function declaration.
499 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
502 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
503 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
505 * tree-iniline.c (estimate_num_insns_1): Likewise.
506 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
507 * optabs.c (optab_for_tree_code): Likewise.
509 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
510 compared against the predicate of the result is not 'mode' (the input
511 to the function) but a mode with half the size of 'mode'.
512 (init_optab): Initialize new optabs.
513 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
515 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
517 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
518 (vec_pack_usat_optab): Initialize new optabs.
519 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
520 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
522 2006-11-08 Richard Henderson <rth@redehat.com>
524 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
525 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
526 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
527 (vec_interleave_highv4si, vec_interleave_lowv4si):
528 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
530 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
532 * tree-vect-transform.c (vectorizable_reduction): Support multiple
534 (vect_transform_stmt): Removed redundant code.
536 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
538 * tree-vect-transform.c (vectorizable_operation): Support multiple
541 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
543 * tree-vect-transform.c (vect_align_data_ref): Removed.
544 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
545 Updated function documentation. Return the increment stmt in ptr_incr.
546 (bump_vector_ptr): New function.
547 (vect_get_vec_def_for_stmt_copy): New function.
548 (vect_finish_stmt_generation): Create a stmt_info to newly created
550 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
552 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
553 VF is greater than the number of elements that can fit in one vector
555 (vectorizable_operation, vectorizable_condition): Likewise.
556 (vectorizable_store, vectorizable_load): Support the case that the VF
557 is greater than the number of elements that can fit in one vector word.
558 (vect_transform_loop): Don't fail in case of multiple data-types.
559 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
560 in case of multiple data-types; the smallest type determines the VF.
561 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
562 if they are of different sizes.
563 (vect_update_misalignment_for_peel): Compare misalignments in terms of
564 number of elements rather than number of bytes.
565 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
566 (vect_can_advance_ivs_p): Fix a dump printout
568 2006-11-07 Eric Christopher <echristo@apple.com>
570 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
572 * libgcc2.h: Remove transformation of bswap routines.
573 * config/i386/i386.md (bswapsi2): New.
576 2006-11-07 Jakub Jelinek <jakub@redhat.com>
578 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
579 (handle_gnu_inline_attribute): New function.
580 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
581 (merge_decls, start_decl, start_function): Likewise.
582 * doc/extend.texi: Document gnu_inline attribute.
584 2006-11-07 Steve Ellcey <sje@cup.hp.com>
587 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
588 _fixunstfdi, and _floatditf
590 2006-11-06 Anatoly Sokolov <aesok@post.ru>
592 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
594 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
595 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
596 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
597 which start in an odd register.
599 2006-11-07 Richard Sandiford <richard@codesourcery.com>
601 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
603 2006-11-07 Josh Conner <jconner@apple.com>
605 * doc/invoke.texi (fstrict-aliasing): Move implementation
607 * doc/tree-ssa.texi (Alias analysis): ...here.
609 2006-11-07 Richard Guenther <rguenther@suse.de>
611 PR tree-optimization/29610
612 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
613 of tree_purge_dead_eh_edges as it may free dominators.
615 * g++.dg/other/pr29610.C: New testcase.
617 2006-11-07 David Ung <davidu@mips.com>
619 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
620 costs when optimizing for size.
621 (override_options): Use mips_rtx_cost_optimize_size table for cost
624 2006-11-07 Jie Zhang <jie.zhang@analog.com>
626 * gcc.c (process_command): Treat -b as normal switch if its argument
629 2006-11-07 David Ung <davidu@mips.com>
631 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
634 2006-11-06 Eric Christopher <echristo@apple.com>
636 * config.gcc: Add x86_64-darwin host support.
637 * config.host: Ditto.
638 * config/i386/darwin64.h: New file.
639 * config/i386/t-darwin64: Ditto.
641 2006-11-06 Janis Johnson <janis187@us.ibm.com>
643 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
644 and output-exists-not.
646 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
649 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
650 checking for overflow.
652 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
654 * configure.ac: Fixed typo in case statement: :: changed to ;;
656 2006-11-06 Bob Wilson <bob.wilson@acm.org>
658 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
659 count_leading_zeros, and count_trailing_zeros.
660 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
661 (TARGET_FOLD_BUILTIN): Define.
662 (TARGET_EXPAND_BUILTIN): Define.
663 (xtensa_init_builtins): New.
664 (xtensa_fold_builtin): New.
665 (xtensa_expand_builtin): New.
666 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
667 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
668 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
669 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
670 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
671 (any_extend): New code macro.
672 (u, su): New code attributes.
673 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
674 (nsau): Remove; replaced by clzsi2.
675 (ffssi2): Use clzsi2.
676 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
677 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
678 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
679 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
680 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
682 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
684 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
686 * config/arm/t-strongarm-elf: Likewise.
687 * config/arm/t-pe: Likewise.
688 * config/arm/t-arm-elf: Likewise.
689 * config/arm/t-xscale-elf: Likewise.
690 * config/arm/t-arm-coff: Likewise.
691 * config/arm/t-xscale-coff: Likewise.
692 * config/arm/t-wince-pe: Likewise.
694 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
696 * config/sh/lib1funcs-4-300.asm: Guard entire file with
699 2006-11-05 Jakub Jelinek <jakub@redhat.com>
702 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
705 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
708 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
709 as a valid 80387 constant.
710 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
711 * config/i386/i386.md (unnamed splitter): Split the load of
712 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
715 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
717 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
718 from the soft-frame, argument and virtual registers.
720 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
722 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
723 patterns for standard 80387 constants.
725 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
726 Steven Bosscher <steven@gcc.gnu.org>
728 * fwprop.c: New file.
729 * Makefile.in: Add fwprop.o.
730 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
731 * passes.c (init_optimization_passes): Schedule forward propagation.
732 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
734 * timevar.def (TV_FWPROP): New.
735 * common.opt (-fforward-propagate): New.
736 * opts.c (decode_options): Enable forward propagation at -O2.
737 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
738 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
739 canon_for_address, table_size): Remove.
740 (new_basic_block, insert, remove_from_table): Remove references to
742 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
743 simplification loop more straightforward by not calling fold_rtx
745 (equiv_constant): Move here a small part of fold_rtx_subreg,
746 do not call fold_rtx. Call avoid_constant_pool_reference
748 * recog.h (canonicalize_change_group): New.
750 * doc/invoke.texi (Optimization Options): Document fwprop.
751 * doc/passes.texi (RTL passes): Document fwprop.
753 2006-11-03 Geoffrey Keating <geoffk@apple.com>
755 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
756 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
757 (grokdeclarator): Likewise.
759 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
761 * tree-dump.c (dump_enable_all): Rename local variable
762 ir_type to avoid name conflicts.
763 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
764 instead of using ir_type().
765 * profile.c (tree_register_profile_hooks): Likewise.
766 * value-prof.c (tree_register_value_prof_hooks): Likewise.
767 * basic-block.h (struct edge_def): Likewise.
768 * config/arm/arm.c (legitimize_pic_address): Likewise.
769 * coretypes.h (ir_type): New enum of all intermediate languages
771 * cfghooks.c (ir_type): Rename to...
772 (current_ir_type): ...this. Distinguish between cfgrtl and
773 cfglayout mode when the current IR is RTL. Return enum ir_type.
774 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
776 2006-11-03 Paul Brook <paul@codesourcery.com>
778 * config/arm/arm.c (arm_file_start): New function.
779 (TARGET_ASM_FILE_START): Define.
780 (arm_default_cpu): New variable.
781 (arm_override_options): Set arm_default_cpu.
783 2006-11-03 David Ung <davidu@mips.com>
785 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
786 PROCESSOR_24KC and PROCESSOR_24KF.
787 * config/mips/mips.c (mips_cpu_info_table): Add processor names
788 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
789 (mips_rtx_cost_data): Add costs for the 24kc.
790 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
791 * config/mips/24k.md: Remove references to 24k and replace with
792 uses of 24kc/24kf in the appropriate reservations.
793 * doc/invoke.texi (MIPS Options): Updated.
795 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
797 * config/sh/crt1.asm: Fix #ifdef indent.
799 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
800 Merged from STMicroelectronics sources:
801 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
802 * config/sh/crt1.asm (vbr_600): Add missing #if.
803 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
804 * sh.opt (mfused-madd): New option.
805 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
806 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
807 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
808 Remove pointless handler at VBR+0.
809 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
810 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
811 fr7. Make sure the timer handler is called with the correct FPU
812 precision setting, according to the ABI.
813 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
814 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
815 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
816 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
817 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
818 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
819 zero as second operand.
820 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
821 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
822 Fixed some bugs related to negative values, in particular -0
823 and overflow at -0x80000000.
824 * config/sh/divcost-analysis: Added sh4-300 figures.
825 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
826 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
827 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
828 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
829 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
830 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
832 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
834 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
835 SH4-300 scheduling description & fixes to SH4-[12]00 description:
836 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
837 mac_mem, mem_mac, dfp_mul, fp_cmp.
838 (insn_class, dfp_comp, any_fp_comp): Update.
839 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
840 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
841 (muldf3_i): Likewise.
842 (movsi_i): Split rI08 alternative into two separate alternatives.
844 (movsi_ie, movsi_i_lowpart): Likewise.
845 (movqi_i): Split ri alternative into two separate alternatives.
847 * sh1.md (sh1_load_store, sh1_fp): Update.
848 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
849 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
850 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
851 (sh4a_fp_double_arith): Likewise.
852 * sh4-300.md: New file.
853 * sh.c (sh_handle_option): Handle m4-300* options.
854 (sh_adjust_cost): Fix latency of auto-increments.
855 Handle SH4-300 differently than other SH4s. Check for new insn types.
856 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
857 been set by an option.
858 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
859 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
860 (mbranch-cost=): Likewise.
861 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
863 * sh.md (mulsf3): Remove special expansion code.
864 (mulsf3_ie): Now a define_insn_and_split.
865 (macsf3): Allow for TARGET_SH4.
867 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
868 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
869 (expand_cbranchdi4): Likewise.
870 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
871 CONST_DOUBLE if the outer code is COMPARE.
872 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
873 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
874 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
875 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
876 Remove redundant fp_{zero,one}_operand checks.
877 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
878 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
879 (expand_cbranchdi4): Likewise.
880 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
881 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
883 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
885 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
888 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
890 * doc/invoke.texi: Fix mfp-trap-mode typo.
892 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
894 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
895 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
896 file_end_indicate_exec_stack.
897 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
899 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
900 for a non-executable stack.
901 * crti.asm: Likewise.
902 * crtn.asm: Likewise.
903 * libunwind.S: Likewise.
905 2006-11-02 Ben Elliston <bje@au.ibm.com>
907 * tree-ssa.c (warn_uninit): Use expand_location variables for
908 locus and declaration locus.
910 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
913 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
914 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
915 cmp{eq,gt,gtu}{si,di}_media.
916 (*cmpne0si_media): Remove.
917 (*movsicc_umin): Adjust gen_cmp*_media call.
918 (unordered): Change the mode of unordered and operands[1] to
920 (seq): Adjust gen_cmp*_media calls. Make the mode of
921 a temporary result of compare SImode if needed. If the mode
922 of operands[0] is DImode, extend the temporary result to DImode.
923 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
924 (sunorderd): Change the mode of match_operand and unorderd to
926 (cmpeq{sf,df}_media): Remove.
927 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
928 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
929 and compare operation to SImode.
931 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
933 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
935 (sparc64-sun-solaris2*): Likewise.
937 2006-11-02 Paul Brook <paul@codesourcery.com>
939 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
940 from priority argument. Use different section for non-default
942 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
944 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
947 * except.c (switch_to_exception_section): Do not cache the section
948 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
949 and flag_function_sections is set.
951 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
954 * builtins.c (do_mpfr_sincos): New.
955 (fold_builtin_1): Use it to fold builtin sincos.
957 2006-11-01 Roger Sayle <roger@eyesopen.com>
959 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
960 it into -D_REENTRANT.
962 2006-11-01 Roger Sayle <roger@eyesopen.com>
964 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
965 whether the assembler supports taking the difference of symbols in
966 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
967 * configure: Regenerate.
968 * config.in: Regenerate.
969 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
970 the assembler doesn't support taking the difference of symbols in
971 different sections, i.e. we're using the native solaris assembler.
973 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
974 Peter Bergner <bergner@vnet.ibm.com>
976 * doc/invoke.texi: Add cpu_type power6x
977 (RS/6000 and PowerPC Options): Add -mmfpgpr.
978 * config.gcc: Add cpu_type power6x.
979 * configure.ac: Add test for mf{t,f}gpr instructions.
980 (HAVE_AS_MFPGPR): New.
981 * config.in: Regenerate.
982 * configure: Regenerate.
983 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
984 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
985 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
986 and mftgpr attributes.
987 (define_attr "cpu"): Add power6.
988 Change instruction sequences to use new attributes.
989 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
990 (fix_truncdfsi2_mfpgpr): New.
991 (floatsidf_ppc64_mfpgpr): New.
992 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
993 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
994 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
995 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
996 (fix_truncdfsi2): Use gpc_reg_operand constraint.
997 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
998 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
999 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
1000 cntlz,exts and var_delayed_compare.
1001 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1002 _ARCH_PWR6X, if features enabled.
1003 * config/rs6000/rs6000.opt (mmfpgpr): New.
1004 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
1005 (cached_can_issue_more): New variable.
1006 (processor_costs): Add power6_cost.
1007 (rs6000_sched_init): New function.
1008 (is_dispatch_slot_restricted): Deleted.
1009 (set_to_load_agen): New function.
1010 (is_load_insn,is_store_insn): New functions.
1011 (adjacent_mem_locations): New function.
1012 (insn_must_be_first_in_group): New function.
1013 (insn_must_be_last_in_group): New function.
1014 (rs6000_sched_reorder): New function.
1015 (rs6000_sched_reorder2): New function.
1016 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
1017 TARGET_SCHED_REORDER2): Define.
1018 (processor_target_table): Use PROCESSOR_POWER6 for power6.
1019 Add power6x. Add MASK_MFPGPR for power6x.
1020 (POWERPC_MASKS): Add MASK_MFPGPR.
1021 (rs6000_override_options): Set rs6000_always_hint to false
1022 for power6. Set rs6000_align_branch_targets. Replace
1023 rs6000_sched_groups check with rs6000_align_branch_targets.
1024 Use PROCESSOR_POWER6.
1025 (last_scheduled_insn): New variable.
1026 (load_store_pendulum): New variable.
1027 (rs6000_variable_issue): Set last_scheduled_insn and
1028 cached_can_issue_more.
1029 (rs6000_adjust_cost): Add power6 cost adjustments.
1030 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
1031 with insn_must_be_first_in_group. Add power6 priority adjustments.
1032 (rs6000_issue_rate): Add CPU_POWER6.
1033 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
1034 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
1035 (TARGET_MFPGPR): New.
1036 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
1037 (ASM_CPU_SPEC): Add power6x.
1038 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
1040 * config/rs6000/power6.md: New file.
1042 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
1044 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1045 HOST_WIDE_INT_PRINT to print high and low parts. Use
1046 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
1047 printing a hexadecimal number prefix it with 0x.
1049 2006-11-01 Chris Johns <chris@contemporary.net.au>
1052 * Makefile.in (install-driver): Use exeext when installing
1053 $target-gcc-$version.
1055 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
1057 * c-common.c (flag_cpp0x): New.
1058 * c-common.h (flag_cpp0x): New.
1059 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
1060 supported, define __GXX_EXPERIMENTAL_CPP0X__.
1061 * c-opts.c (set_std_cxx0x): New.
1062 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
1063 * c.opt (std=c++0x): Document.
1064 (std=gnu++0x): Ditto.
1065 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
1066 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
1068 2006-11-01 Richard Guenther <rguenther@suse.de>
1070 * config/i386/i386.c (ix86_expand_rint): Fix issues with
1072 (ix86_expand_floorceildf_32): Likewise.
1073 (ix86_expand_floorceil): Likewise.
1074 (ix86_expand_trunc): Likewise.
1076 2006-10-31 Andrew Pinski <pinskia@gmail.com>
1078 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
1081 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
1083 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
1085 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
1087 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
1089 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
1090 * configure.ac (use_cxa_atexit): As a special case, don't test
1091 for libc definition of __cxa_atexit on mingw32
1092 * configure: Regenerate.
1093 * config.gcc (i[34567]86-pc-mingw32): Default to
1094 enable__cxa_atexit=yes.
1096 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1098 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
1100 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1103 * c-decl.c (start_struct): Don't create self-containing
1105 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1107 * config/rs6000/rs6000-protos.h
1108 (darwin_rs6000_special_round_type_align): New.
1109 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
1110 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
1112 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1114 * toplev.c (compile_file): Call final_write_globals
1115 even if there have been errors.
1117 2006-10-31 Eric Christopher <echristo@apple.com>
1118 Falk Hueffner <falk@debian.org>
1120 * doc/extend.texi (__builtin_bswap32): Document.
1121 (__builtin_bswap64): Ditto.
1122 * doc/libgcc.texi (bswapsi2): Document.
1124 * doc/rtl.texi (bswap): Document.
1125 * optabs.c (expand_unop): Don't widen a bswap.
1126 (init_optabs): Init bswap. Set libfuncs explicitly
1127 for bswapsi2 and bswapdi2.
1128 * optabs.h (OTI_bswap): New.
1129 (bswap_optab): Ditto.
1130 * genopinit.c (optabs): Handle bswap_optab.
1131 * tree.h (tree_index): Add TI_UINT32_TYPE and
1133 (uint32_type_node): New.
1134 (uint64_type_node): Ditto.
1135 * tree.c (build_common_tree_nodes_2): Initialize
1136 uint32_type_node and uint64_type_node.
1137 * builtins.c (expand_builtin_bswap): New.
1138 (expand_builtin): Call.
1139 (fold_builtin_bswap): New.
1140 (fold_builtin_1): Call.
1141 * fold-const.c (tree_expr_nonnegative_p): Return true
1143 * builtin-types.def (BT_UINT32): New.
1145 (BT_FN_UINT32_UINT32): Ditto.
1146 (BT_FN_UINT64_UINT64): Ditto.
1147 * builtins.def (BUILT_IN_BSWAP32): New.
1148 (BUILT_IN_BSWAP64): Ditto.
1149 * rtl.def (BSWAP): New.
1150 * genattrtab.c (check_attr_value): New.
1151 * libgcc2.c (__bswapSI2): New.
1152 (__bswapDI2): Ditto.
1153 * libgcc2.h (__bswapSI2): Declare.
1154 (__bswapDI2): Ditto.
1155 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
1156 * simplify-rtx.c (simplify_const_unary_operation): Return
1158 * libgcc-std.ver (__bwapsi2): Add.
1159 (__bswapdi2): Ditto.
1160 * reload1.c (eliminate_regs_1): Add bswap.
1161 (elimination_effects): Ditto.
1162 * config/i386/i386.h (x86_bswap): New.
1163 (TARGET_BSWAP): Use.
1164 * config/i386/i386.c (x86_bswap): Set.
1166 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1168 * coverage.c (coverage_checksum_string): Update comment.
1169 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
1170 of get_file_function_name.
1171 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
1172 of get_file_function_name_long.
1173 * tree.c (get_file_function_name): Rename from
1174 get_file_function_name_long; improve comment; handle 'I' and 'D'
1175 specially when the target has ctor/dtor support; remove special
1177 (get_file_function_name): Remove.
1178 * tree.h (get_file_function_name): Rename from
1179 get_file_function_name_long.
1180 (get_file_function_name): Remove prototype.
1182 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1184 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
1185 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1187 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
1188 Call dsymutil when compiling and linking one or more source files
1191 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1194 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
1196 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1198 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
1199 inline static functions in c99 mode.
1202 * doc/extend.texi (Inline): Update.
1203 * c-tree.h (struct language_function): Remove field 'extern_inline'.
1204 * c-decl.c (current_extern_inline): Delete.
1205 (pop_scope): Adjust test for an undefined nested function.
1206 Add warning about undeclared inline function.
1207 (diagnose_mismatched_decls): Update comments. Disallow overriding
1208 of inline functions in a translation unit in C99. Allow inline
1209 declarations in C99 at any time.
1210 (merge_decls): Boolize variables. Handle C99 'extern inline'
1212 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
1213 C99 inline semantics.
1214 (start_function): Don't clear current_extern_inline. Don't set
1216 (c_push_function_context): Don't push current_extern_inline.
1217 (c_pop_function_context): Don't restore current_extern_inline.
1220 * c-typeck.c (build_external_ref): Warn about static variables
1221 used in extern inline functions.
1222 * c-decl.c (start_decl): Warn about static variables declared
1223 in extern inline functions.
1225 2006-10-31 Roger Sayle <roger@eyesopen.com>
1228 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
1229 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
1230 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
1231 or y is an even integer.
1233 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
1236 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
1237 * gthr-posix95.h (__gthread_active_p): Likewise.
1239 2006-10-31 Richard Guenther <rguenther@suse.de>
1241 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
1242 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
1243 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
1244 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
1245 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
1246 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
1247 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
1248 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
1251 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
1253 * opts.c (decode_options): Disable CSE skip blocks.
1255 2006-10-30 Dirk Mueller <dmueller@suse.de>
1257 * c-common.h (strict_aliasing_warning): Fix whitespace.
1258 * c-decl (start_function): Move code for main decl warning ..
1259 * c-common.c (check_main_parameter_types): .. here.
1260 * c-common.h (check_main_parameter_types): Declare.
1262 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1265 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
1267 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
1269 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
1270 be a PARALLEL containing sets. Return false when out_pat is not
1273 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1275 * config/mips/mips.md (mul<mode>3): Split into...
1276 (mulsi3, muldi3): ...these separate patterns.
1278 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1280 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
1281 but with each set of options separated by spaces.
1283 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
1285 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
1286 dwarf_reg_size_table has been initialized.
1288 2006-10-30 Roger Sayle <roger@eyesopen.com>
1290 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
1291 * ddg.c (print_ddg_edge): Likewise.
1292 * dwarf2out.c (prune_unused_types_walk): Likewise.
1293 * ifcvt.c (noce_try_cmove_arith): Likewise.
1294 * langhooks.c (add_builtin_function): Likewise.
1295 * reg-stack.c (subst_stack_regs_pat): Likewise.
1296 * tree.c (expanded_location): Likewise.
1297 * tree-dump.c (dequeue_and_dump): Likewise.
1299 2006-10-30 David Daney <ddaney@avtrex.com>
1301 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
1303 2006-10-30 Jakub Jelinek <jakub@redhat.com>
1305 PR tree-optimization/29637
1306 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
1307 of the innertype is the innertype itself.
1309 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
1311 * dwarf2out.c (file_name_acquire): Correct typo.
1313 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
1315 * tree.h (tree_value_handle): Remove struct value_set declaration.
1316 Change value_set to bitmap_set.
1317 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
1318 * tree-vn.c (get_value_handle): Made inline and moved to
1320 * tree-flow-inline.h: (has_stmt_ann): New function.
1321 * tree-ssa-pre.c (expressions): New variable.
1322 (next_expression_id): Ditto.
1323 (alloc_expression_id): New function.
1324 (struct value_set): Remove.
1325 (get_expression_id): New function.
1326 (get_or_alloc_expression_id): Ditto.
1327 (expression_for_id): Ditto.
1328 (clear_expression_ids): Ditto.
1329 (FOR_EACH_EXPR_ID_IN_SET): New macro.
1330 (bb_value_sets): Renamed to bb_bitmap_sets.
1331 All value sets replaced with bitmap_sets.
1333 (BB_VISITED): New macro.
1334 (postorder): New variable.
1335 (add_to_value): Removed.
1336 (value_exists_in_set_bitmap): Ditto.
1337 (value_insert_into_set_bitmap): Ditto.
1340 (set_remove): Ditto.
1341 (set_contains_value): Ditto.
1342 (insert_into_set): Ditto.
1344 (find_leader): Ditto.
1345 (bitmap_set_subtract_from_value_set): Ditto.
1346 (value_insert_into_set): Ditto.
1347 (print_value_set): Ditto.
1348 (debug_value_set): Ditto.
1349 (constant_expr_p): New function.
1350 (bitmap_remove_from_set): Ditto.
1351 (bitmap_insert_into_set): Ditto.
1352 (bitmap_set_free): Ditto.
1353 (vh_compare): Ditto.
1354 (sorted_array_from_bitmap_set): Ditto.
1355 (bitmap_set_subtract): Ditto.
1356 (bitmap_set_equal): Ditto.
1357 (debug_bitmap_set): Ditto.
1358 (find_leader_in_sets): Ditto.
1359 (bitmap_set_replace_value): Modify for bitmapped sets.
1360 (phi_translate): Ditto.
1361 (phi_translate_set): Ditto.
1362 (bitmap_find_leader): Ditto.
1363 (valid_in_sets): Ditto.
1364 (union_contains_value): Ditto.
1366 (compute_antic_aux): Ditto. Mark changed blocks.
1367 (compute_antic): Ditto. Iterate in postorder and only over
1369 (compute_rvuse_and_antic_safe): Reuse postorder.
1370 (create_component_ref_by_pieces): Modify for bitmapped sets.
1371 (find_or_generate_expression): Ditto.
1372 (create_expression_by_pieces): Ditto.
1373 (insert_into_preds_of_block): Ditto.
1374 (changed_blocks): New variable.
1375 (do_regular_insertion): Broken out from insert_aux.
1376 (insert_aux): Modified for bitmapped sets.
1377 (find_existing_value_expr): New function.
1378 (create_value_expr_from): Use it.
1379 (insert_extra_phis): Removed.
1380 (print_bitmap_set): Renamed from bitmap_print_value_set.
1381 (compute_avail): Handle RETURN_EXPR.
1382 (init_pre): Modify for bitmapped sets.
1383 * tree-flow.h (has_stmt_ann): New function.
1385 2006-10-29 Roger Sayle <roger@eyesopen.com>
1387 * builtins.c (fold_builtin_floor): Check for the availability of
1388 the C99 trunc function before transforming floor into trunc.
1390 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1392 * builtins.c (fold_builtin_hypot): Rearrange recursive
1393 transformation before others, and also do ABS_EXPR. When
1394 necessary, check flag_unsafe_math_optimizations. When necessary,
1397 2006-10-29 Roger Sayle <roger@eyesopen.com>
1399 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
1400 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
1401 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
1402 Fold -X eq/ne -Y as X eq/ne Y.
1404 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1406 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
1407 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
1408 rather than GENERATE_MULT3_SI in the various define_peephole2s.
1409 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
1410 Use an inclusive test for "mult" rather than "mul".
1411 (rotr<mode>3): Depend on ISA_HAS_ROR.
1412 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
1414 (GENERATE_MULT3_DI): Delete.
1415 (ISA_HAS_64BIT_REGS): Use consistent formatting.
1416 (ISA_HAS_MUL3): New macro.
1417 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
1418 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
1419 (ISA_HAS_CLZ_CLO): Likewise.
1420 (ISA_HAS_DCLZ_DCLO): Delete.
1421 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
1422 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
1423 the VR4120 and VR4130.
1424 (ISA_HAS_MACCHI): Use consistent formatting.
1425 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
1426 (ISA_HAS_ROR): ...this new macro.
1427 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
1428 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
1429 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
1431 2006-10-29 Roger Sayle <roger@eyesopen.com>
1433 PR tree-optimization/15458
1434 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
1437 2006-10-29 Richard Guenther <rguenther@suse.de>
1439 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
1440 (ix86_expand_truncdf_32): Likewise.
1441 * config/i386/i386.c (ix86_expand_trunc): New function expanding
1442 trunc inline for SSE math and -fno-trapping-math and if not
1443 optimizing for size.
1444 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
1445 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
1446 for expanding btrunc inline for SSE math.
1448 2006-10-29 Joseph Myers <joseph@codesourcery.com>
1450 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
1451 Handle tuning for bi-arch i[34567]86-*-linux* like that for
1452 i[34567]86-*-solaris2.1[0-9]*.
1453 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
1454 Define conditionally depending on TARGET_64BIT_DEFAULT.
1455 (SPEC_32, SPEC_64): Define.
1456 (LINK_SPEC): Use them.
1457 * doc/install.texi (--enable-targets=all): Document for x86-linux.
1459 2006-10-29 Richard Guenther <rguenther@suse.de>
1461 * config/i386/i386-protos.h (ix86_expand_round): Declare.
1462 (ix86_expand_rounddf_32): Likewise.
1463 * config/i386/i386.c (ix86_expand_round): New function expanding
1464 round inline for SSE math and -fno-trapping-math and if not
1465 optimizing for size.
1466 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
1467 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
1468 round via ix86_expand_round.
1470 2006-10-29 Richard Guenther <rguenther@suse.de>
1472 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
1473 (ix86_expand_floorceildf_32): Likewise.
1474 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
1475 static helper function.
1476 (ix86_expand_floorceil): Expander for floor and ceil to SSE
1478 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
1479 * config/i386/i386.md (floordf2): Adjust to enable floor
1480 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
1481 -fno-trapping-math is enabled and if not optimizing for size.
1482 (floorsf2, ceildf2, ceilsf2): Likewise.
1483 * config/i386/sse.md (sse_maskcmpsf3): New insn.
1484 (sse2_maskcmpdf3): Likewise.
1486 2006-10-29 Richard Guenther <rguenther@suse.de>
1488 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
1489 rint in case -fno-trapping-math is enabled.
1490 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
1491 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
1492 (ix86_expand_sse_fabs): Likewise.
1493 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
1494 * config/i386/i386.md (rintdf2): Enable for SSE math if
1495 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
1496 (rintsf2): Likewise.
1498 2006-10-29 Richard Guenther <rguenther@suse.de>
1500 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
1501 to conversion optabs.
1502 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
1503 as conversion optab.
1504 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
1505 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
1506 (lfloor_optab, lceil_optab): Adjust defines.
1507 * builtins.c (expand_builtin_int_roundingfn): Adjust for
1508 lfloor and lceil optabs now being conversion optabs.
1509 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
1510 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
1511 New static helper function.
1512 (ix86_expand_lfloorceil): New function to expand lfloor and
1514 * config/i386/i386.md (lfloor<mode>2): Split into ...
1515 (lfloorxf<mode>2): ... x87 variant
1516 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
1517 using ix86_expand_lfloorceil.
1518 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
1520 * doc/md.texi (lfloorMN, lceilMN): Document.
1522 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1524 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
1525 -mno-shared assembler option on mips targets.
1526 * configure, config.in: Regenerate.
1527 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
1528 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
1529 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
1531 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1533 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
1534 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
1536 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
1538 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
1539 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
1542 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1545 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
1546 (fold_builtin_pow): Evaluate constant arguments at compile-time
1548 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
1549 (do_mpfr_ckconv): New helper function.
1550 (do_mpfr_arg1): Use do_mpfr_ckconv.
1551 (do_mpfr_arg2): New.
1553 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1556 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
1557 (-fdump-rtl-sched): Rename to ..
1558 (-fdump-rtl-sched1): here. Also fix file extension number.
1560 2006-10-28 Richard Guenther <rguenther@suse.de>
1562 * fold-const.c (maybe_canonicalize_comparison): Fix code
1565 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1567 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
1568 (NON_QI_REG_P): Use IN_RANGE.
1569 (REX_INT_REGNO_P): Use IN_RANGE.
1570 (FP_REGNO_P): Use IN_RANGE.
1571 (SSE_REGNO_P): Use IN_RANGE.
1572 (REX_SSE_REGNO_P): Use IN_RANGE.
1573 (MMX_REGNO_P): Use IN_RANGE.
1574 (STACK_REGNO_P): New macro.
1575 (STACK_REG_P): Use STACK_REGNO_P.
1576 (NON_STACK_REG_P): Use STACK_REGNO_P.
1577 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
1578 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
1579 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
1580 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
1581 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
1583 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
1585 * except.h (output_function_exception_table): Add 'const char*' param.
1586 * except.c (switch_to_exception_section): Add 'const char*' param.
1587 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1588 and flag_function_sections is set, use a function-specific section.
1589 (output_function_exception_table): Add 'const char*' param.
1590 Adjust call to switch_to_exception_section.
1591 * final.c (rest_of_handle_final): Adjust calls to
1592 output_function_exception_table.
1593 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
1594 * config.in: Regenerate.
1595 * configure: Likewise.
1597 2006-10-28 Richard Guenther <rguenther@suse.de>
1600 * fold-const.c (maybe_canonicalize_comparison_1): Helper
1601 for maybe_canonicalize_comparison.
1602 (maybe_canonicalize_comparison): New function for canonicalizing
1604 (fold_comparison): Call it to canonicalize comparisons with
1607 2006-10-28 Richard Guenther <rguenther@suse.de>
1610 * builtins.c (expand_builtin_int_roundingfn_2): Expand
1611 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
1612 (expand_builtin): Adjust likewise.
1613 * genopinit.c (optabs[]): Add lround optab.
1614 * optabs.c (init_optabs): Initialize lround_optab.
1615 * optabs.h (enum convert_optab_index): Add COI_lround.
1616 (lround_optab): Define.
1617 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
1618 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
1620 (ix86_expand_lround): New function.
1621 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
1623 * doc/md.texi (lroundMN2): Document.
1625 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1628 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
1629 argument to HOST_WIDE_INT. Update function prototype.
1630 (round_frame_size): Change return type to HOST_WIDE_INT. Change
1631 "size" argument to HOST_WIDE_INT. Update function prototype.
1633 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1635 * config/i386/i386.c (output_387_ffreep): Create output from a
1636 template string for !HAVE_AS_IX86_FFREEP.
1638 2006-10-27 Eric Christopher <echristo@apple.com>
1640 * config/darwin.c: Fix formatting and grammar.
1642 2006-10-27 Jan Hubicka <jh@suse.cz>
1644 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1645 to be thrown away soon when IGNORE is set.
1646 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1647 indicating when return value shall not be computed.
1648 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1650 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1652 * config/i386/i386.h (TARGET_GEODE):
1653 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1654 (TARGET_CPU_DEFAULT_geode): New macro.
1655 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1656 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1657 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1658 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1659 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1661 (TARGET_CPU_DEFAULT_NAMES): Add geode.
1662 (processor_type): Add PROCESSOR_GEODE.
1664 * config/i386/i386.md: Include geode.md.
1667 * config/i386/i386.c (geode_cost): New initialized global
1669 (m_GEODE, m_K6_GEODE): New macros.
1670 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1671 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1672 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1673 x86_schedule): Use m_K6_GEODE instead of m_K6.
1674 (x86_movx, x86_cmove): Set up m_GEODE.
1675 (x86_integer_DFmode_moves): Clear m_GEODE.
1676 (processor_target_table): Add entry for geode.
1677 (processor_alias_table): Ditto.
1679 * config/i386/geode.md: New file.
1681 * doc/invoke.texi: Add entry about geode processor.
1683 2006-10-27 Mike Stump <mrs@apple.com>
1685 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1686 __DYNAMIC__ from here back to ...
1687 * config/darwin.h (CPP_SPEC): ... here.
1689 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1690 Nathan Sidwell <nathan@codesourcery.com>
1692 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1693 when choosing the minimum heapsize.
1695 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1697 * gcc/unwind-dw2.h: Move cfa-related variables into
1698 struct frame_state_reg_info to ensure that the CFA is properly
1699 handled when executing DW_CFA_{remember,restore}_state.
1700 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1701 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1702 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1703 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1704 gcc/config/rs6000/linux-unwind.h,
1705 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1706 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1707 Modify to use new cfa_* fields.
1709 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1711 * config/s390/s390.c (s390_init_frame_layout): Check positive
1714 2006-10-26 Ben Elliston <bje@au.ibm.com>
1716 * gimplify.c (get_name): Remove extraneous break.
1717 (gimplify_omp_for): Initialise ret with GS_OK.
1719 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1721 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1722 Add unix98.o to link line.
1724 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1727 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1728 Calculate compile-time constants using MPFR.
1729 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1730 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1732 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1734 * config/xtensa/lib2funcs.S: Use C-style comments.
1736 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1738 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1739 (file_table_relative_p): Likewise.
1740 (dwarf2out_finish): Likewise.
1741 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1743 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1745 * tree-ssa-structalias.c (intra_create_variable_infos):
1746 Don't recreate nonlocal_all if it already exists.
1748 2006-10-25 Richard Guenther <rguenther@suse.de>
1751 * optabs.h (enum optab_index): Remove OTI_lrint.
1752 (enum convert_optab_index): Add COI_lrint.
1753 (lrint_optab): Adjust.
1754 (expand_sfix_optab): Declare.
1755 * optabs.c (expand_sfix_optab): New function.
1756 (init_optabs): Init lrint_optab as conversion optab.
1757 * genopinit.c (lrint_optab): Change to a conversion optab.
1758 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1759 expansion via conversion optab.
1760 * config/i386/i386.md (*fistdi2_1): Remove
1761 flag_unsafe_math_optimizations guard.
1762 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1763 fist<mode>2_with_temp): Likewise.
1764 (lrint<mode>2): Split into...
1765 (lrintxf<mode>2): ... x87 part
1766 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1767 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1768 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1769 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1770 * doc/md.texi (lrintMN2): Document.
1772 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1775 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1776 Use inc and dec instructions for TARGET_USE_INCDEC.
1777 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1778 ("sync_double_compare_and_swap<mode>"): Likewise.
1779 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1780 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1781 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1782 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1783 ("sync_old_add<mode>"): Likewise.
1784 ("sync_lock_test_and_set<mode>"): Likewise.
1785 ("sync_lock_test_and_set<mode>"): Likewise.
1786 ("sync_add<mode>"): Likewise.
1787 ("sync_sub<mode>"): Likewise.
1788 ("sync_ior<mode>"): Likewise.
1789 ("sync_and<mode>"): Likewise.
1790 ("sync_xor<mode>"): Likewise.
1792 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1794 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1795 (remainder_optab): Define corresponding macro.
1796 (drem_optab): Remove.
1797 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1798 drem_optab initialization.
1799 * genopinit.c (optabs): Implement remainder_optab using
1800 remainder?f3 patterns. Remove drem_optab.
1801 * builtins.c (expand_builtin_mathfn_2): Handle
1802 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1803 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1804 expand_builtin_mathfn_2.
1806 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1807 depend on flag_unsafe_math_optimizations.
1809 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1810 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1811 Do not depend on flag_unsafe_math_optimizations. Use
1812 truncxf?f expander instead of truncxf?f_i387_noop.
1814 ("fpremxf4", "fprem1xf4"): Do not depend on
1815 flag_unsafe_math_optimizations.
1816 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1817 flag_unsafe_math_optimizations. Use truncxf?f expander
1818 instead of truncxf?f_i387_noop.
1820 * doc/md.texi (fmod, remainder): Document standard named pattern.
1822 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1823 David Daney <ddaney@avtrex.com>
1826 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1828 2006-10-25 Ben Elliston <bje@au.ibm.com>
1830 * doc/extend.texi (Variable Attributes): Typo fix.
1832 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1834 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1835 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1836 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1837 (FRAME_POINTER_REGNUM): Update register number to 21.
1838 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1839 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1841 * config/i386/i386.c (regclass_map): Add fpcr entry.
1842 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1844 (print_reg): Assert REGNO (x) != FPCR_REG.
1846 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1847 (DIRFLAG_REG): Renumber.
1848 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1849 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1850 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1851 hardcoded SSE register numbers.
1853 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1854 hardcoded MMX register numbers.
1856 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1859 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1860 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1862 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1863 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1864 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1865 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1867 2006-10-24 Richard Guenther <rguenther@suse.de>
1870 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1871 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1872 for deciding optimizations in consistency with fold-const.c
1873 (fold_builtin_unordered_cmp): Likewise.
1875 2006-10-24 Richard Guenther <rguenther@suse.de>
1877 * builtins.c (fold_builtin_floor): Fold floor (x) where
1878 x is nonnegative to trunc (x).
1879 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1880 nonnegative to FIX_TRUNC_EXPR.
1882 2006-10-24 Richard Guenther <rguenther@suse.de>
1884 PR tree-optimization/29567
1885 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1886 for TRUTH_NOT_EXPR. Clarify comments.
1888 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1891 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1892 at compile-time using MPFR. Change parameter VALUE to FUNC,
1894 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1895 for overflow and underflow at all times and avoid folding in
1898 2006-10-24 Ben Elliston <bje@au.ibm.com>
1900 * reload1.c: Formatting fixes.
1902 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1904 PR tree-optimization/14784
1905 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1906 * tree-ssa-structalias.c (get_constraint_for,
1907 intra_create_variable_infos): Set is_heapvar.
1908 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1909 non-heapvar pointer variables specially.
1911 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1914 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1915 fold_builtin_tan): Fold all constant arguments. Take a "type"
1916 argument as necessary.
1917 (do_mpfr_arg1): New.
1918 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1920 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1922 * config/xtensa/lib1funcs.asm: Use C-style comments.
1924 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1926 * tree.c (local_define_builtin): Replace calls to
1927 lang_hooks.builtin_function with add_builtin_function.
1928 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1930 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1932 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1933 common code to add_builtin_function.
1934 * langhooks.c (add_builtin_function): New function.
1935 (lhd_builtin_function): New function.
1936 * langhooks.h (struct lang_hooks): Change the signature of
1938 (add_builtin_function): New function.
1939 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1940 calls to lang_hooks.builtin_function with add_builtin_function.
1941 * c-common.c (decl_builtin_1): Replace calls to
1942 lang_hooks.builtin_function with add_builtin_function.
1943 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1944 lang_hooks.builtin_function with add_builtin_function.
1945 * config/frv/frv.c (def_builtin): Replace calls to
1946 lang_hooks.builtin_function with add_builtin_function.
1947 * config/s390/s390.c (s390_init_builtins): Replace calls to
1948 lang_hooks.builtin_function with add_builtin_function.
1949 * config/sparc/sparc.c (def_builtin): Replace calls to
1950 lang_hooks.builtin_function with add_builtin_function.
1951 * config/i386/i386.c (def_builtin): Replace calls to
1952 lang_hooks.builtin_function with add_builtin_function.
1953 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1954 lang_hooks.builtin_function with add_builtin_function.
1955 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1956 lang_hooks.builtin_function with add_builtin_function.
1957 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1958 Replace calls to lang_hooks.builtin_function with
1959 add_builtin_function.
1960 * config/iq2000/iq2000.c (def_builtin):
1961 Replace calls to lang_hooks.builtin_function with
1962 add_builtin_function.
1963 * config/ia64/ia64.c (def_builtin): Replace calls to
1964 lang_hooks.builtin_function with add_builtin_function.
1965 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1966 lang_hooks.builtin_function with add_builtin_function.
1967 (altivec_init_builtins): Replace calls to
1968 lang_hooks.builtin_function with add_builtin_function.
1969 * config/arm/arm.c (def_mbuiltin): Replace calls to
1970 lang_hooks.builtin_function with add_builtin_function.
1971 (arm_init_tls_builtins): Replace calls to
1972 lang_hooks.builtin_function with add_builtin_function.
1973 * config/mips/mips.c (mips_init_builtins): Replace calls to
1974 lang_hooks.builtin_function with add_builtin_function.
1975 * config/bfin/bfin.c (def_builtin): Replace calls to
1976 lang_hooks.builtin_function with add_builtin_function.
1977 * langhooks-def.h (lhd_builtin_function): New function.
1978 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1980 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1982 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1983 BUILT_IN_STRNCAT_CHK.
1985 2006-10-23 Jan Hubicka <jh@suse.cz>
1987 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1988 don't do conversion from memmove to memcpy here.
1989 (expand_builtin_bcopy, expand_builtin): Update call of
1990 expand_builtin_memmove.
1991 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1993 2006-10-23 Paul Brook <paul@codesourcery.com>
1995 * stor-layout.c (start_record_layout): maximum_field_alignment
1996 overrides STRUCTURE_SIZE_BOUNDARY.
1998 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
2000 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
2001 nonlocal function symbols if flag_pic.
2003 2006-10-23 Richard Guenther <rguenther@suse.de>
2007 * builtins.c (fold_binary): Remove checks for flag_wrapv
2008 and flag_trapv where negate_expr_p covers these cases.
2010 2006-10-23 Richard Guenther <rguenther@suse.de>
2013 * fold-const.c (fold_plusminus_mult_expr): Check exact power
2014 of two on the absolute value.
2015 (fold_binary): Fold x * -C to -x * C if x is easily negatable
2016 and negating -C does not overflow.
2018 2006-10-23 Richard Guenther <rguenther@suse.de>
2021 * convert.c (convert_to_real): Fold (float)-x to -(float)x
2022 only if not flag_rounding_math.
2024 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2025 Kaz Kojima <kkojima@gcc.gnu.org>
2028 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
2029 SImode memory reference for the source of a movua.
2030 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
2031 (movua): Use an unspec instead of sign_extract. Expect the source
2032 to have mode BLKmode.
2033 (extv, insv): Use a BLKmode rather than SImode memory reference
2034 for the source of a movua.
2036 2006-10-22 Jeff Law <law@redhat.com>
2037 Richard Guenther <rguenther@suse.de>
2039 PR tree-optimization/15911
2040 * tree-vrp.c (extract_code_and_val_from_cond): New function.
2041 (register_edge_assert_for_1): Likewise.
2042 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
2043 (find_conditional_asserts): Adjust for new function signature.
2044 (find_assert_locations): Likewise.
2046 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2048 * config/i386/tmmintrin.h: Remove the duplicated content.
2050 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2052 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
2053 (x86_64-*-*): Likewise.
2055 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
2056 (override_options): Check SSSE3.
2057 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
2058 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
2059 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
2060 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
2061 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
2062 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
2063 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
2064 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
2065 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
2066 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
2067 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
2068 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
2069 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
2070 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
2071 IX86_BUILTIN_PABSD128.
2072 (bdesc_2arg): Add SSSE3.
2073 (bdesc_1arg): Likewise.
2074 (ix86_init_mmx_sse_builtins): Support SSSE3.
2075 (ix86_expand_builtin): Likewise.
2076 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
2078 * config/i386/i386.md (UNSPEC_PSHUFB): New.
2079 (UNSPEC_PSIGN): Likewise.
2080 (UNSPEC_PALIGNR): Likewise.
2081 Include mmx.md before sse.md.
2083 * config/i386/i386.opt: Add -mssse3.
2085 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
2086 (ssse3_phaddwv4hi3): Likewise.
2087 (ssse3_phadddv4si3): Likewise.
2088 (ssse3_phadddv2si3): Likewise.
2089 (ssse3_phaddswv8hi3): Likewise.
2090 (ssse3_phaddswv4hi3): Likewise.
2091 (ssse3_phsubwv8hi3): Likewise.
2092 (ssse3_phsubwv4hi3): Likewise.
2093 (ssse3_phsubdv4si3): Likewise.
2094 (ssse3_phsubdv2si3): Likewise.
2095 (ssse3_phsubswv8hi3): Likewise.
2096 (ssse3_phsubswv4hi3): Likewise.
2097 (ssse3_pmaddubswv8hi3): Likewise.
2098 (ssse3_pmaddubswv4hi3): Likewise.
2099 (ssse3_pmulhrswv8hi3): Likewise.
2100 (ssse3_pmulhrswv4hi3): Likewise.
2101 (ssse3_pshufbv16qi3): Likewise.
2102 (ssse3_pshufbv8qi3): Likewise.
2103 (ssse3_psign<mode>3): Likewise.
2104 (ssse3_psign<mode>3): Likewise.
2105 (ssse3_palignrti): Likewise.
2106 (ssse3_palignrdi): Likewise.
2107 (abs<mode>2): Likewise.
2108 (abs<mode>2): Likewise.
2110 * config/i386/tmmintrin.h: New file.
2112 * doc/extend.texi: Document SSSE3 built-in functions.
2114 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
2116 2006-10-22 Ira Rosen <irar@il.ibm.com>
2118 * tree-vect-transform.c (vectorizable_load): Use the type of the
2119 return value of the mask_for_load builtin to create realign_load
2122 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2124 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
2127 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
2129 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
2130 (UNSPEC_LDDQU): This.
2131 * config/i386/sse.md (sse3_lddqu): Updated.
2133 2006-10-21 Richard Guenther <rguenther@suse.de>
2135 * builtins.c (expand_builtin_int_roundingfn_2): New function.
2136 (expand_builtin): Use it to expand lrint instead of
2137 expand_builtin_mathfn.
2139 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2142 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
2143 flag_unsafe_math_optimizations is set.
2145 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2148 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
2149 patterns to use memory input operand in x87->mem->XMM
2150 reload sequences. Skip transformation for TARGET_K8.
2152 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2154 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
2155 force operand1 to register if both operands are memory operands.
2156 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
2157 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
2158 if both operands are memory operands.
2159 (truncdfsf2): Do not force operand1 to register if both operands
2160 are memory operands.
2162 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2164 * Makefile.in (LIBS): Add $(GMPLIBS).
2165 * doc/install.texi: Update GMP and MPFR requirements.
2166 * doc/sourcebuild.texi (need_gmp): Delete.
2168 2006-10-21 Richard Guenther <rguenther@suse.de>
2170 PR tree-optimization/3511
2171 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
2172 got new invariant arguments during PHI translation.
2174 2006-10-21 Richard Guenther <rguenther@suse.de>
2177 * fold-const.c (fold_comparison): Fold signed comparisons
2178 of the form X +- C1 CMP Y +- C2.
2180 2006-10-21 Richard Guenther <rguenther@suse.de>
2183 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
2184 if flag_unsafe_math_optimizations is specified. We have
2185 flag_finite_math_only for that.
2186 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
2187 or flag_unsafe_math_optimizations.
2189 2006-10-21 Richard Guenther <rguenther@suse.de>
2191 * builtins.c (fold_builtin_classify): Fix typo.
2193 2006-10-21 Richard Guenther <rguenther@suse.de>
2196 * simplify-rtx.c (simplify_const_relational_operation):
2197 Do not constant-fold ORDERED and UNORDERED for
2198 flag_unsafe_math_optimizations but only we do not need to
2199 honor NaNs for the given mode.
2201 2006-10-21 Richard Guenther <rguenther@suse.de>
2204 * config/i386/i386.c (classify_argument): Remove redundant
2205 walking of the BINFOs.
2206 (contains_128bit_aligned_vector_p): Likewise.
2208 2006-10-20 Mark Mitchell <mark@codesourcery.com>
2210 * BASE-VER: Set to 4.3.0.
2212 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
2214 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
2215 (tree_decl_with_vis): Remove artificial_pta_var flag.
2216 * tree-flow.h (referenced_var_check_and_insert): Expose.
2217 (nonlocal_all): New prototype.
2218 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
2219 (nonlocal_all): Make global.
2220 (nonlocal_lookup): Remove.
2221 (nonlocal_insert): Ditto.
2222 (create_nonlocal_var): Do not call nonlocal_insert.
2223 (get_nonlocal_id_for_type): Remove.
2224 (find_global_initializers): Mark new vars we find for renaming.
2225 (intra_create_variable_infos): Only create one nonlocal.
2226 (expand_nonlocal_solutions): Remove.
2227 (compute_points_to_sets): Don't call it.
2228 (ipa_pta_execute): Ditto.
2229 (init_alias_heapvars): Don't create nonlocal_for_type.
2230 (delete_alias_heapvars): Don't remove it.
2231 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
2234 2006-10-19 Brooks Moses <bmoses@stanford.edu>
2236 * doc/install.texi (Downloading GCC): Clarify mention of
2237 Fortran in the "full distribution" description.
2239 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
2241 Fix PR tree-optimization/28778
2242 Fix PR tree-optimization/29156
2243 Fix PR tree-optimization/29415
2244 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
2245 (tree_decl_with_vis): Add artificial_pta_var flag.
2246 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
2247 pushed into callers.
2248 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
2249 (nonlocal_all): Ditto.
2250 (struct variable_info): Add directly_dereferenced member.
2251 (var_escaped_vars): New variable.
2252 (escaped_vars_tree): Ditto.
2253 (escaped_vars_id): Ditto.
2254 (nonlocal_vars_id): Ditto.
2255 (new_var_info): Set directly_dereferenced.
2256 (graph_size): New variable
2257 (build_constraint_graph): Use graph_size.
2258 (solve_graph): Don't process constraints that cannot change the
2259 solution, don't try to propagate an empty solution to our
2261 (process_constraint): Set directly_dereferenced.
2262 (could_have_pointers): New function.
2263 (get_constraint_for_component_ref): Don't process STRING_CST.
2264 (nonlocal_lookup): New function.
2265 (nonlocal_insert): Ditto.
2266 (create_nonlocal_var): Ditto.
2267 (get_nonlocal_id_for_type): Ditto.
2268 (get_constraint_for): Allow results vector to be empty in the case
2269 of string constants.
2270 Handle results of calls properly.
2271 (update_alias_info): Update alias info stats on number and type of
2273 (find_func_aliases): Use could_have_pointers.
2274 (make_constraint_from_escaped): Renamed from
2275 make_constraint_to_anything, and changed to make constraints from
2277 (make_constraint_to_escaped): New function.
2278 (find_global_initializers): Ditto.
2279 (create_variable_info_for): Make constraint from escaped to any
2280 global variable, and from any global variable to the set of
2282 (intra_create_variable_infos): Deal with escaped instead of
2283 pointing to anything.
2284 (set_uids_in_ptset): Do type pruning on directly dereferenced
2286 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
2287 (init_base_vars): Fix comment, and initialize escaped_vars.
2288 (need_to_solve): Removed.
2289 (find_escape_constraints): New function.
2290 (expand_nonlocal_solutions): Ditto.
2291 (compute_points_to_sets): Call find_escape_constraints and
2292 expand_nonlocal_solutions.
2293 (delete_points_to_sets): Don't fall off the end of the graph.
2294 (init_alias_heapvars): Initialize nonlocal_for_type and
2296 (delete_alias_heapvars): Free nonlocal_for_type and null out
2299 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
2301 * fold-const.c (add_double): Rename to add_double_with_sign.
2302 Add 'unsigned_p' parameter and take it into account for the overflow.
2303 (mul_double): Rename to mul_double_with_sign.
2304 Add 'unsigned_p' parameter and take it into account for the overflow.
2305 (fold_div_compare): Call add_double_with_sign instead of add_double
2306 and mul_double_with_sign instead of mul_double, passing them the
2307 unsignedness of the type.
2308 * tree.h (add_double): Macroize.
2309 (add_double_with_sign): New prototype.
2310 (mul_double): Macroize.
2311 (mul_double_with_sign): New prototype.
2313 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
2315 * config/score/crti.asm: New file.
2316 * config/score/crtn.asm: New file.
2317 * config/score/elf.h: New file.
2318 * config/score/mac.md: New file.
2319 * config/score/misc.md: New file.
2320 * config/score/mul-div.S: New file.
2321 * config/score/predicates.md: New file.
2322 * config/score/score7.md: New file.
2323 * config/score/score.c: New file.
2324 * config/score/score-conv.h: New file.
2325 * config/score/score.h: New file.
2326 * config/score/score.md: New file.
2327 * config/score/score-mdaux.c: New file.
2328 * config/score/score-mdaux.h: New file.
2329 * config/score/score-modes.def: New file.
2330 * config/score/score.opt: New file.
2331 * config/score/score-protos.h: New file.
2332 * config/score/score-version.h: New file.
2333 * config/score/t-score-elf: New file.
2334 * config.gcc: Add score*-*-* configurations(Update before).
2335 * doc/invoke.texi (Score Options): New section.
2336 * doc/md.texi (Score family): New section to document constraints.
2338 2006-10-19 Nick Clifton <nickc@redhat.com>
2340 * config/arm/arm.c: Fix spelling typo.
2342 2006-10-18 Tom Tromey <tromey@redhat.com>
2344 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
2346 2006-10-18 Jan Hubicka <jh@suse.cz>
2349 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
2352 2006-10-18 Marcin Dalecki <martin@dalecki.de>
2354 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
2355 TSI_SAME_STMT, since that's the desired entity.
2357 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
2359 * config/s390/contraints.md: New file.
2360 * config/s390/s390-protos.h (s390_mem_constraint,
2361 s390_O_constraint_str, s390_N_constraint_str,
2362 s390_float_const_zero_p): Function prototypes added.
2363 * config/s390/s390.c (s390_extra_constraint_str,
2364 s390_const_double_ok_for_constraint_p,
2365 s390_const_ok_for_constraint_p): Functions removed.
2366 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
2367 s390_float_const_zero_p): New functions.
2368 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
2369 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
2370 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
2371 Macro definitions removed.
2372 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
2373 s390_extra_constraint_str): Functions removed.
2375 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
2376 Richard Sandiford <richard@codesourcery.com>
2379 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
2380 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
2382 2006-10-16 Geoffrey Keating <geoffk@apple.com>
2384 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
2385 (DWARF2_FRAME_REG_OUT): Likewise.
2386 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
2387 (DWARF2_FRAME_REG_OUT): Likewise.
2389 2006-10-17 Paul Brook <paul@codesourcery.com>
2391 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
2393 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2395 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
2396 Standardize on "GNU Fortran" as the official name of the Fortran
2399 2006-10-16 Mike Stump <mrs@apple.com>
2401 * doc/invoke.texi (Darwin Options): Document -mkernel.
2402 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
2404 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
2405 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
2406 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
2407 (OS_MISSING_ALTIVEC): Add.
2408 * config/i386/i386.c (override_options): Add
2409 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
2410 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
2411 -mkernel, -static or -mdynamic-no-pic is given.
2412 (C_COMMON_OVERRIDE_OPTIONS): Add.
2413 * config/darwin.opt (fapple-kext): Add.
2415 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
2416 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
2418 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
2419 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
2420 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
2421 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
2422 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
2423 (flag_mkernel): Add.
2424 (flag_apple_kext): Add.
2425 (TARGET_KEXTABI): Add.
2426 * config/darwin.c (darwin_handle_kext_attribute): Add.
2427 (DARWIN_VTABLE_P): Add.
2428 (darwin_binds_local_p): Add partial support for rebinding vtables
2430 (darwin_kextabi_p): Add.
2431 (darwin_override_options): Add.
2432 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
2433 (darwin_kextabi_p): Add.
2434 (darwin_override_options): Add.
2435 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
2436 __DYNAMIC__ and __STATIC__ here.
2438 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2440 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
2441 Added mention of "make pdf" target, and Texinfo requirements for
2444 2006-10-16 DJ Delorie <dj@redhat.com>
2446 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
2447 into the GOT in case we need a subreg of the address.
2449 2006-10-16 Richard Guenther <rguenther@suse.de>
2452 * doc/extend.texi (X86 Built-in Functions): Fix typos in
2453 SSE builtin documentation. Document SSE2 builtins.
2455 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2457 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
2458 symbol in the output file for non-shared links when -nostdlib or
2459 -nodefaultlibs isn't specified.
2461 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
2462 posix thread support.
2464 2006-10-15 Jan Hubicka <jh@suse.cz>
2467 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
2468 declared always_inline even when not inlining.
2470 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2471 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2472 Andrew Pinski <pinskia@gmail.com>
2475 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
2477 2006-10-15 Jan Hubicka <jh@suse.cz>
2478 Richard Guenther <rguenther@suse.de>
2481 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
2482 process_function_and_variable_attributes on all variables, including
2483 those discovered during cgraph construction phase.
2485 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
2487 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
2489 2006-10-14 Uros Bizjak <uros@kss-loka.si>
2491 * config/i386/athlon.md (athlon_fist): Add fisttp.
2493 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2494 Ian Lance Taylor <ian@airs.com>
2497 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
2498 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
2501 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
2503 * config/score/score.c, config/score/score.h: Fix comment
2506 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2509 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
2512 2006-10-13 Eric Christopher <echristo@apple.com>
2514 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2516 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2519 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2520 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2521 alignment supported by 32-bit ELF.
2523 2006-10-13 Eric Christopher <echristo@apple.com>
2525 * config/darwin.c (darwin_emit_unwind_label): Strip
2526 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
2528 2006-10-13 Richard Guenther <rguenther@suse.de>
2530 PR tree-optimization/29446
2531 * tree-vrp.c (fix_equivalence_set): Remove.
2532 (extract_range_from_assert): Do not call fix_equivalence_set.
2533 (debug_value_range): Print a newline.
2534 (compare_name_with_value): For equivalence sets with
2535 inconsistent value ranges conservatively bail out.
2536 (compare_names): Likewise.
2538 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2540 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
2541 and MPFR for gfortran.
2543 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2545 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2546 alignment supported by 32-bit ELF.
2548 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
2552 * c-typeck.c (digest_init): Always allow initializing vectors
2553 that have static storage duration with compound literals.
2554 * tree.c (build_type_attribute_qual_variant): New, based on
2555 build_type_attribute_variant.
2556 (build_type_attribute_variant): Rewrite using the former.
2557 (make_vector_type): Use build_type_attribute_qual_variant to build
2558 type variants. Use type_hash_canon on the others.
2560 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
2561 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
2563 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
2565 2006-10-12 Jan Hubicka <jh@suse.cz>
2568 * c-decl.c (c_make_fname_decl): Do not segfault in case where
2569 current_function_decl is set but current_function_scope is not.
2571 2006-10-12 Jie Zhang <jie.zhang@analog.com>
2573 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
2574 emit_insn to emit eh_return_internal instruction.
2575 (eh_return_internal): Explicitly set pc.
2577 2006-10-11 Richard Guenther <rguenther@suse.de>
2579 PR tree-optimization/28230
2580 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
2581 to the correct place.
2583 2006-10-11 Richard Guenther <rguenther@suse.de>
2586 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
2589 2006-10-10 Brooks Moses <bmoses@stanford.edu>
2591 * configure.ac: Added pdf to "Make-hooks"
2592 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
2593 targets and *.pdf file patterns in cleanup targets.
2594 * configure: Regenerated.
2596 2006-10-10 Anatoly Sokolov <aesok@post.ru>
2598 * config/avr/predicates.md: New file.
2599 * config/avr/avr.md: Include it.
2600 (REG_SP): New constant.
2601 (peepholes): Use predicates.
2602 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
2603 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
2604 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
2606 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
2608 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
2611 2006-10-10 Jakub Jelinek <jakub@redhat.com>
2614 * builtins.c (var_decl_component_p): New function.
2615 (fold_builtin_memset, fold_builtin_memory_op): Restrict
2616 single entry optimization to variables and components thereof.
2618 2006-10-10 Richard Guenther <rguenther@suse.de>
2620 PR rtl-optimization/29323
2621 * except.c (set_nothrow_function_flags): For functions
2622 that do not bind local bail out early.
2624 2006-10-10 Ben Elliston <bje@au.ibm.com>
2626 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
2629 2006-10-09 Richard Henderson <rth@redhat.com>
2631 Revert emutls patch.
2633 2006-10-09 Richard Guenther <rguenther@suse.de>
2636 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
2639 2006-10-09 Steve Ellcey <sje@cup.hp.com>
2642 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2643 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2644 * configure: Regenerate.
2645 * config.in: Regenerate.
2647 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2649 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2651 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2653 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2654 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2655 Remove stray newline.
2657 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2659 * config/mips/mips.c (mips_classify_symbol): Do not return
2660 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2661 (mips_in_small_data_p): Tweak comments.
2663 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2665 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2667 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
2669 * gimplify.c, sched-int.h: Fix comment typos.
2671 * sched-int.h: Fix comment typos.
2673 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2675 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2677 * sched-ebb.c (begin_schedule_ready): Use them.
2678 * haifa-sched.c (schedule_insn, move_insn, try_ready,
2679 add_to_speculative_block, create_check_block_twin, speculate_insn,
2680 fix_jump_move, move_block_after_check): Ditto.
2681 * sched-rgn.c (new_ready): Ditto.
2683 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2685 PR rtl-optimization/29128
2686 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2687 * sched-ebb.c (advance_target_bb): Use it to fix condition to
2688 allow interblock movement of speculation checks.
2690 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2693 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2694 casted to integer type.
2695 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2696 if they are significantly more expensive than [reg + index] ones.
2698 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2700 PR tree-optimization/29330
2701 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2702 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2703 on newly allocated ddrs.
2704 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2705 to VEC (loop_p, heap) pointer.
2706 (compute_data_dependences_for_loop): Adjust caller.
2707 (free_dependence_relations): Free DDR_LOOP_NEST.
2709 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2710 free DEPENDENCE_RELATIONS and DATAREFS.
2713 * builtins.c (expand_builtin_sync_operation,
2714 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2715 Use convert_to_mode to handle promoted arguments.
2717 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2719 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2721 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2723 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2725 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2727 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2728 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2729 Use <modeconstraint> instead of "r" as operand 1 constraint.
2731 2006-10-06 Olivier Hainque <hainque@adacore.com>
2733 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2734 Don't recurse on the pointed-to type.
2735 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2736 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2737 types with components of variable size.
2739 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2741 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2743 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2745 PR tree-optimization/29290
2746 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2750 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2751 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2754 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2755 the number of vector elements fill the rest with zeros.
2757 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2759 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2760 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2763 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2765 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2766 unnamed pattern into subsi3. Use correct constraints/predicates.
2767 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2768 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2770 2006-10-05 Ira Rosen <irar@il.ibm.com>
2772 * doc/loop.texi: Add data references analysis description.
2774 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2776 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2778 2006-10-04 Richard Henderson <rth@redhat.com>
2779 Jakub Jelinek <jakub@redhat.com>
2781 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2782 * builtin-types.def (BT_WORD): Make unsigned.
2783 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2784 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2785 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2786 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2787 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2788 * cgraph.c (decide_is_variable_needed): Look at force_output.
2789 Recurse for emulated tls.
2790 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2791 checks redundant with decide_is_variable_needed.
2792 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2793 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2795 * expr.c (emutls_var_address): New.
2796 (expand_expr_real_1): Expand emulated tls.
2797 (expand_expr_addr_expr_1): Likewise.
2798 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2799 * output.h (emutls_finish): Declare.
2800 * toplev.c (compile_file): Call it.
2801 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2802 address before wrapping in CONST.
2803 * varasm.c (emutls_htab, emutls_object_type): New.
2804 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2805 (get_emutls_object_name, get_emutls_object_type): New.
2806 (get_emutls_init_templ_addr, emutls_decl): New.
2807 (emutls_common_1, emutls_finish): New.
2808 (assemble_variable): When emulating tls, swap decls; generate
2809 constructor for the emutls objects.
2810 (do_assemble_alias): When emulating tls, swap decl and target name.
2811 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2813 * emutls.c: New file.
2814 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2815 tls_object for real tls.
2817 2006-10-04 Zack Weinberg <zackw@panix.com>
2819 Fix bug in constraint-check generator, reported by Rask Ingemann
2821 * genpreds.c (add_constraint): Don't remove anything from the
2823 (write_tm_constrs_h): Detect whether "op" argument is used, and
2824 mark it ARG_UNUSED if it isn't.
2825 (write_insn_const_int_ok_for_constraint): Skip the part of the
2826 expression that would test whether "op" (which is not available
2827 here) is a CONST_INT.
2829 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2832 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2834 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2836 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2837 current Leopard versions.
2838 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2840 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2842 * doc/install.texi: Fix typos.
2844 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2846 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2847 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2848 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2850 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2852 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2853 arg to be struct mach_header_64* instead.
2855 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2858 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2859 side effects after the outer expression's post side effects.
2861 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2863 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2864 comments to reflect actual behavior and relationship between
2865 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2867 * doc/c-tree.texi (Working with declarations): Fix documentation
2868 of FIELD_DECL likewise.
2870 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2873 * doc/extend.texi: Add used variable attribute description.
2875 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2878 * c.opt (Woverride-init): New.
2879 * c-opts.c (c_common_post_options): Default warn_override_init to
2881 * c-typeck.c (add_pending_init, output_init_element): Warn for
2882 overriding initializers without side effects.
2883 * doc/invoke.texi (-Woverride-init): Document.
2886 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2888 PR rtl-optimization/28096
2889 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2890 assignment has already been used as a destination earlier in the block.
2892 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2894 * builtins.c (expand_builtin_setjmp): Delete.
2895 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2896 <BUILT_IN_SETJMP_SETUP>: New case.
2897 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2898 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2899 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2900 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2901 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2902 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2903 (lower_function_body): Initialize it to false. If it is set to true
2904 at the end of the processing, emit the setjmp dispatcher.
2905 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2906 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2907 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2908 on the rhs of the assignment.
2909 (lower_builtin_setjmp): New function.
2910 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2911 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2912 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2913 to detect calls that can go to non-local labels. Use specific
2914 helper to create the abnormal edges associated with them.
2915 <MODIFY_EXPR>: Likewise.
2916 (make_abnormal_goto_edges): New function extracted from...
2917 (make_goto_expr_edges): ...here. Call it for computed gotos.
2918 (simple_goto_p): Minor tweak.
2919 (tree_can_make_abnormal_goto): New predicate.
2920 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2921 (tree_purge_dead_abnormal_call_edges): New function.
2922 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2923 (tree_purge_dead_abnormal_call_edges): Likewise.
2924 (make_abnormal_goto_edges): Likewise.
2925 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2926 Purge all dead abnormal edges if the call was in the last statement.
2927 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2928 (execute_fixup_cfg): If there are non-local labels in the function,
2929 scan the basic blocks and split them at calls that can go to non-local
2930 labels or add missing abnormal call edges. Write down the CFG in the
2932 (pass_fixup_cfg): Remove TODO_dump_func flag.
2933 * unwind-sjlj.c: Poison setjmp.
2934 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2935 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2936 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2937 (DONT_USE_BUILTIN_SETJMP): Document it.
2939 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2942 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2943 to 1 when __ppc64__ is defined.
2944 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2946 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2948 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2950 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2951 * config/ia64/unwind-hpux.c: Delete.
2953 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2955 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2956 on the element before gimplifying it, instead of punting if it is of
2959 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2961 * doc/loop.texi: New file.
2962 * doc/gccint.texi: Reference loop.texi.
2963 * Makefile.in (loop.texi): Add.
2965 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2967 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2969 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2970 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2972 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2974 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2976 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2978 * doc/install.texi: Document required versions of GMP and MPFR.
2980 2006-09-27 Paul Brook <paul@codesourcery.com>
2983 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2985 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2987 * reload1.c (alter_reg): Require the alignment of the stack slot to
2988 be at least reg_max_ref_width bytes.
2989 (scan_paradoxical_subregs): Record the largest width in
2992 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2996 * tree-nested.c (struct nesting_info): Added static_chain_added.
2997 (convert_call_expr): Set static_chain_added when adding static
2998 chain. Handle OMP_PARALLEL and OMP_SECTION.
3000 2006-09-25 Matthias Klose <doko@debian.org>
3002 * doc/invoke.texi: Add missing full stop.
3004 2006-09-25 Richard Henderson <rth@redhat.com>
3006 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
3007 before cgraph_function_flags_ready.
3009 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
3010 Adam Nemet <anemet@caviumnetworks.com>
3012 * tree-ssa-loop-ivopts.c (aff_combination_convert,
3013 determine_common_wider_type): New functions.
3014 (get_computation_aff): Use them to simplify arithmetic between
3015 UBASE and CBASE if they are shortened from the same type.
3017 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
3020 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
3021 -2147483647 - 1 instead of 0x80000000.
3023 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
3025 * flags.h (HONOR_NANS): Fix typo in comment.
3027 2006-09-23 Uros Bizjak <uros@kss-loka.si>
3029 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
3031 2006-09-23 Jakub Jelinek <jakub@redhat.com>
3035 * tree.c (merge_attributes, attribute_list_contained): If both
3036 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
3038 * c-typeck.c (comptypes_internal): Don't consider aggregates
3039 in different TUs as compatible if there one set of attributes is
3040 not a subset of the other type's attributes.
3041 (composite_type): Try harder not to create a new aggregate type.
3043 2006-09-22 Geoffrey Keating <geoffk@apple.com>
3045 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
3046 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
3047 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
3048 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
3049 than replicating condition above.
3050 * config.host (i[34567]86-*-*): Always use driver-i386.o.
3052 * config/darwin.h (LINK_SYSROOT_SPEC): New.
3053 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
3054 the linker by default.
3056 2006-09-22 Mike Stump <mrs@apple.com>
3058 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
3061 2006-09-22 Richard Guenther <rguenther@suse.de>
3064 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
3065 sort of stack variables stable.
3067 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
3070 * explow.c (force_reg): Set REG_POINTER flag according to
3073 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
3075 PR tree-optimization/28888
3076 * tree-if-conv.c (combine_blocks): Rewritten.
3077 * tree-cfg.c (tree_verify_flow_info): Check that edges with
3078 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
3080 2006-09-22 Jakub Jelinek <jakub@redhat.com>
3082 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
3085 2006-09-21 Richard Sandiford <richard@codesourcery.com>
3087 * varasm.c (copy_constant): Fix reversed gcc_assert check.
3089 2006-09-21 Janis Johnson <janis187@us.ibm.com>
3091 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
3093 2006-09-21 Roger Sayle <roger@eyesopen.com>
3096 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
3097 dw_fde_current_label, to be the start of the function, i.e. the same
3098 value as dw_fde_begin.
3100 2006-09-20 Richard Sandiford <richard@codesourcery.com>
3102 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
3103 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
3104 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
3105 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
3106 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
3107 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
3108 (abs<mode>2, neg<mode>2): Likewise.
3109 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
3110 (*mips_abs_ps): New define_insn.
3112 2006-09-20 Josh Conner <jconner@apple.com>
3115 * calls.c (expand_call): Allow reuse of structure return stack
3118 2006-09-20 Paul Brook <paul@codesourcery.com>
3120 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
3123 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3125 * doc/extend.texi (Decimal Float): Update for latest draft TR,
3126 clean up terminology.
3128 2006-09-20 Steve Ellcey <sje@cup.hp.com>
3131 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
3132 with tablejumps in them.
3134 2006-09-20 Jakub Jelinek <jakub@redhat.com>
3137 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
3138 wrap it into TARGET_EXPR.
3140 2006-09-20 Eric Christopher <echristo@apple.com>
3142 * config/i386/i386.c (x86_fisttp): Remove.
3143 * config/i386/i386.h (x86_fisttp): Ditto.
3144 (TARGET_FISTTP): Ditto.
3146 2006-09-19 Eric Christopher <echristo@apple.com>
3148 * doc/tm.texi (OBJC_JBLEN): Describe.
3149 * config/i386/darwin.h (OBJC_JBLEN): Define.
3150 * config/rs6000/darwin.h: Ditto.
3152 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
3154 PR rtl-optimization/21299
3155 * reload1.c (reload): Purge invalid ASMs in the final pass.
3157 2006-09-19 Steve Ellcey <sje@cup.hp.com>
3160 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
3161 pointers as legitimate constants.
3163 2006-09-19 Paul Brook <paul@codesourcery.com>
3166 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
3168 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
3170 PR tree-optimization/28887
3171 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
3172 component parts from the reference.
3173 (gather_memory_references_ref): Record the reference without the
3174 nonaddressable component parts.
3176 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
3179 * c-opts.c (c_common_handle_option): Ignore the -std options
3180 if the input language is assembly.
3182 2006-09-17 Ira Rosen <irar@il.ibm.com>
3185 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
3187 (ptr_ptr_may_alias_p): Likewise.
3188 (record_record_differ_p): New function.
3189 (base_object_differ_p): Call record_record_differ_p.
3191 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3194 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
3195 away for the expr argument.
3197 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3200 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
3201 before using it for dumping after vectorizing loops.
3203 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3204 Jack Howarth <howarth@bromo.med.uc.edu>
3207 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
3208 skip on error_mark_node.
3209 (rs6000_darwin64_record_arg_recurse): Likewise.
3211 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3213 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
3214 * doc/rtl.texi: Remove related documentation.
3216 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
3218 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
3221 2006-09-15 Jim Wilson <wilson@specifix.com>
3223 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
3224 Handle symbol offsets same as they are handled in ia64_expand_move
3227 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
3229 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
3230 Add forgotten parameter to the fprintf call.
3232 2006-09-15 Steve Ellcey <sje@cup.hp.com>
3234 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
3236 2006-09-15 Uros Bizjak <uros@kss-loka.si>
3238 * doc/contrib.texi: Add my entry.
3240 2006-09-15 Nick Clifton <nickc@redhat.com>
3242 * doc/md.texi (Processor pipeline description): Fix typo in
3243 example of how to use the absence_set directive and reword the
3244 description to make it slightly easier to read.
3246 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3248 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
3249 * loop-doloop.c (doloop_optimize): Use it to limit costs of
3250 expanding the number of iterations.
3251 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
3253 * cfgrtl.c (emit_insn_at_entry): New function.
3254 * rtl.h (emit_insn_at_entry): Declare it.
3255 * integrate.c (emit_initial_value_sets): Use it.
3257 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
3259 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
3261 (struct loop_work and related VEC declarations): Delete.
3262 (bfin_dump_loops): Print out new member bad.
3263 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
3264 (bfin_scan_loop): Don't recurse.
3265 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
3266 loops. No longer need to update outer loops if the current one is
3267 found bad. Move some validitiy checks to bfin_discover_loop.
3268 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
3269 but changed not to check for nesting. Also changed to use the new bad
3271 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
3272 time. Use bitmap based test to discover loop nesting.
3274 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
3276 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
3279 2006-09-14 Richard Guenther <rguenther@suse.de>
3280 Kazu Hirata <kazu@codesourcery.com>
3282 PR middle-end/28884.
3283 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
3284 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
3285 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
3286 with TARGET_FUNCTION_VALUE.
3288 2006-09-14 Anatoly Sokolov <aesok@post.ru>
3291 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
3293 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
3295 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
3298 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3301 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
3304 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3306 * basic_block.h (bb_has_eh_pred): Fix comment.
3308 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3310 * flow.c (calculate_global_regs_live): Invalidate eh registers
3311 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
3312 (propagate_block): Handle eh registers as if they were set at basic
3314 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
3316 * global.c (global_conflicts): Make eh registers to conflict with
3317 pseudos live at basic block begin.
3318 * basic_block.h (bb_has_eh_pred): New function.
3320 2006-09-13 Richard Sandiford <richard@codesourcery.com>
3322 PR rtl-optimization/28982
3323 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
3324 index of a PRE_MODIFY or POST_MODIFY address.
3325 * reload1.c (inc_for_reload): Use find_replacement on the original
3326 base and index registers.
3328 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
3330 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
3331 for -Os. Update __m128 alignment requirement.
3333 2006-09-13 Jan Hubicka <jh@suse.cz>
3335 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
3337 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3339 PR rtl-optimization/28243
3340 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3341 the insn to which the note was originally attached.
3343 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3344 Roger Sayle <roger@eyesopen.com>
3346 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
3347 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
3348 on platforms that don't use dwarf for debug info.
3350 2006-09-12 Jason Merrill <jason@redhat.com>
3353 * builtins.c (expand_builtin_setjmp_receiver): Clobber
3354 hard_frame_pointer_rtx after using it to update the frame pointer.
3356 2006-09-12 Roger Sayle <roger@eyesopen.com>
3358 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
3359 (TARGET_ASM_CLOSE_PAREN): Likewise.
3360 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
3361 (TARGET_ASM_CLOSE_PAREN): Likewise.
3363 2006-09-12 Roger Sayle <roger@eyesopen.com>
3366 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
3367 frame information for frames larger than 512 Kbytes on Tru64 when
3368 using the native assembler.
3370 2006-09-12 Roger Sayle <roger@eyesopen.com>
3374 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
3375 and symbols. Instead use the implementation from cse.c's hash_rtx.
3377 2006-09-12 Jan Hubicka <jh@suse.cz>
3379 PR rtl-optimization/28071
3380 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
3381 (vect_transform_loop): Likewise.
3382 * tree-vectorizer.c (new_loop_vec_info): Likewise.
3383 (new_loop_vec_info): Likewise.
3384 (destroy_loop_vec_info): Likewise.
3385 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
3386 (create_stmt_ann): Likewise.
3387 (create_tree_ann): Rename to ...
3388 (create_tree_common_ann): ... this one; allocate only the common part
3390 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
3391 (get_value_handle): Likewise.
3392 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
3393 get_tree_common_ann.
3394 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
3395 (vinfo_for_stmt): Use stmt annotations.
3396 * tree-flow.h (tree_ann_common_t): New type.
3397 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
3398 (tree_ann, get_tree_ann, create_tree_ann): New.
3399 * tree-flow-inline.h (get_function_ann): Do more type checking.
3400 (stmt_ann): Likewise.
3401 (tree_ann): Rename to ...
3402 (tree_common_ann): ... this one; return ony common_ann
3403 (get_tree_ann): Rename to ...
3404 (tree_common_ann): This one; return only common_ann.
3405 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
3408 2006-09-11 Geoffrey Keating <geoffk@apple.com>
3410 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
3411 with_cpu by default.
3413 * dwarf2out.c (dwarf_file_data): New.
3414 (enum dw_val_class): Add dw_val_class_file.
3415 (struct dw_val_struct): Add val_file.
3416 (file_table): Change to a hash table.
3417 (file_table_emitted): Delete.
3418 (file_table_last_lookup_index): Delete.
3419 (emitcount): Delete.
3420 (last_emitted_file): New.
3421 (lookup_filename): Change prototype to return a struct dwarf_file_data.
3422 (init_file_table): Delete.
3423 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
3424 (AT_addr): Add comment.
3428 (print_die): Handle dw_val_class_file.
3429 (print_dwarf_line_table): Update for new file table structure.
3430 (attr_checksum): Do checksum a filename.
3431 (same_dw_val_p, same_attr_p): Do compare a filename.
3432 (size_of_die): Handle dw_val_class_file.
3433 (value_format): Likewise.
3434 (output_die): Likewise. Also, call maybe_emit_file here.
3435 (struct file_info): Constify filenames. Make file_idx a pointer
3436 to a struct dwarf_file_data.
3437 (struct dir_info): Constify directory names. Remove 'used' field.
3438 (struct file_name_acquire_data): New.
3439 (file_name_acquire): New.
3440 (output_file_names): Modify to handle new file data structures.
3441 (add_src_coords_attributes): Use add_AT_file.
3442 (add_call_src_coords_attributes): Likewise.
3443 (dwarf2out_imported_module_or_decl): Likewise.
3444 (gen_subprogram_die): Modify for new file data structures.
3445 (gen_variable_die): Likewise.
3446 (file_table_eq): New.
3447 (file_table_hash): New.
3448 (file_table_last_lookup): New.
3449 (lookup_filename): Rewrite to handle new file data structures.
3450 (maybe_emit_file): Rewrite to handle new file data structures.
3451 (dwarf2out_source_line): Always call lookup_filename and
3453 (dwarf2out_init): Create file_table here.
3454 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
3455 (file_table_relative_p): New.
3456 (dwarf2out_finish): Change detection of relative filenames
3457 to work with new file data structures. Move output_line_info call
3458 after debug_info output.
3460 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
3465 * config/i386/i386.c (override_options): Always default to 16
3466 byte stack boundary.
3468 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
3471 * var-tracking.c (dump_dataflow_set): Start dumping at
3473 (clobber_variable_part): Kill only the variable part in
3474 registers holding it, leaving other variables alone.
3476 2006-09-11 Josh Triplett <josh@freedesktop.org>
3478 * doc/extend.texi (Other Builtins): Actually use the macro
3479 argument in the documentation example for
3480 __builtin_types_compatible_p.
3482 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3484 PR rtl-optimization/28726
3485 * sched-deps.c (sched_analyze_reg): New function extracted from...
3486 (sched_analyze_1): ...here. Call it to analyze references to
3487 registers. Treat again writes to a stack register as writing to the
3489 (sched_analyze_2): ...and here. Call it to analyze references to
3490 registers. Treat again reads of a stack register as reading the
3493 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
3494 David Edelsohn <edelsohn@gnu.org>
3497 * config/rs6000/spe.md (frob_df_di): Remove %H.
3498 (frob_di_df): Remove %H. Change evmergelo to mr.
3499 (frob_di_df_2): Remove %H. Change evldd to two loads.
3501 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
3503 * doc/cpp.texi: Fix names of charset options.
3505 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
3508 * config/i386/i386.c (override_options): Use 128-bit
3509 stack boundary always for 64bits.
3511 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3513 PR rtl-optimization/28636
3514 * combine.c (force_to_mode): Test for side-effects before
3515 substituting by zero.
3516 (simplify_shift_const): Likewise for zero or other constants.
3518 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
3521 * builtins.c (expand_builtin_setjmp): Force next_lab to be
3524 2006-09-10 Richard Sandiford <richard@codesourcery.com>
3527 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
3528 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
3529 returned by mode_for_size, rather than the mode of src itself,
3530 to choose between 32-bit and 64-bit patterns.
3531 (mips_mem_fits_mode_p): New function.
3532 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
3533 that the size of the source matches the size of the destination.
3534 (mov_<store>l, mov_<store>r): Likewise.
3536 2006-09-10 Eric Christopher <echristo@apple.com>
3538 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
3541 2006-09-09 Eric Christopher <echristo@apple.com>
3544 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
3547 2006-09-09 Roger Sayle <roger@eyesopen.com>
3548 Nicolas Setton <setton@adacore.com>
3550 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
3552 2006-09-10 Andreas Schwab <schwab@suse.de>
3554 * config/m68k/m68k.md (bungt_rev): New pattern.
3556 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
3557 Dale Johannesen <dalej@apple.com>
3560 * regclass.c (struct reg_pref): Update documentation.
3561 (regclass): Set prefclass to NO_REGS if memory is the best option.
3562 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3564 2006-09-08 Eric Christopher <echristo@apple.com>
3566 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
3567 * config/t-slibgcc-darwin: Support x86_64 multilib.
3568 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
3569 Return 1 for x86_64-darwin.
3570 * config/i386/t-darwin: Add m64 multilib.
3571 (LIB2_SIDITI_CONV_FUNCS): Use.
3572 (LIB2FUNCS_EXTRA): Ditto.
3573 * config/i386/darwin.h: Support x86_64.
3574 * config/i386/i386.c (override_options): Turn on flag_pic
3575 for x86_64-darwin. Disable flag_omit_pointer.
3576 (get_pc_thunk_name): Assert !TARGET_64BIT.
3577 (legitimate_address_p): Disable machopic addressing for
3579 (legitimize_pic_address): Ditto.
3580 (ix86_expand_move): Ditto.
3581 (ix86_expand_call): Ditto.
3582 (machopic_output_stub): Ditto.
3583 * config/darwin.c (machopic_select_section): Support literal16.
3584 (machopic_select_rtx_section): Ditto.
3585 * config/darwin-sections.def: Ditto.
3586 * config/darwin-64.c: New.
3588 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
3591 * c-tree.h (struct c_arg_info): Add pending_sizes.
3592 * c-parser.c (c_parser_parms_declarator,
3593 c_parser_parms_list_declarator): Initialize pending_sizes.
3594 * c-decl.c (get_parm_info): Initialize pending_sizes.
3595 (get_parm_info): Set pending_sizes.
3596 (grokdeclarator): Call put_pending_sizes for parameters for
3597 function definition only.
3599 2006-09-07 Jason Merrill <jason@redhat.com>
3602 * varasm.c (output_constant): Only strip actual no-op conversions.
3605 * config/i386/i386.c (override_options): Use 128-bit
3606 stack boundary if -msse.
3608 2006-09-07 Eric Christopher <echristo@apple.com>
3610 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
3612 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
3615 2006-09-07 Geoffrey Keating <geoffk@apple.com>
3617 * dwarf2out.c: Remove strange characters from comment above
3618 dwarf2out_frame_debug_expr.
3620 2006-09-07 Eric Christopher <echristo@apple.com>
3622 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
3623 * config/darwin.h: ... to here.
3625 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
3627 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
3629 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
3630 (TARGET_PARTIAL_FLAG_REG_STALL): New.
3632 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3633 TARGET_PARTIAL_FLAG_REG_STALL.
3634 (*ashldi3_cconly_rex64): Likewise.
3635 (*ashlsi3_cmp): Likewise.
3636 (*ashlsi3_cconly): Likewise.
3637 (*ashlsi3_cmp_zext): Likewise.
3638 (*ashlhi3_cmp): Likewise.
3639 (*ashlhi3_cconly): Likewise.
3640 (*ashlqi3_cmp): Likewise.
3641 (*ashlqi3_cconly): Likewise.
3642 (*ashrdi3_cmp_rex64): Likewise.
3643 (*ashrdi3_cconly_rex64): Likewise.
3644 (*ashrsi3_cmp): Likewise.
3645 (*ashrsi3_cconly): Likewise.
3646 (*ashrsi3_cmp_zext): Likewise.
3647 (*ashrhi3_cmp): Likewise.
3648 (*ashrhi3_cconly): Likewise.
3649 (*ashrqi3_cmp): Likewise.
3650 (*ashrqi3_cconly): Likewise.
3651 (*lshrdi3_cmp_rex64): Likewise.
3652 (*lshrdi3_cconly_rex64): Likewise.
3653 (*lshrsi3_cmp): Likewise.
3654 (*lshrsi3_cconly): Likewise.
3655 (*lshrsi3_cmp_zext): Likewise.
3656 (*lshrhi3_cmp): Likewise.
3657 (*lshrhi3_cconly): Likewise.
3658 (*lshrqi2_cmp): Likewise.
3659 (*lshrqi2_cconly): Likewise.
3661 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3664 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3665 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3666 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3667 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3668 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3669 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3670 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3671 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3672 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3673 implement only CC setting effects of shift instructions.
3675 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
3677 * doc/contrib.texi: Add myself.
3679 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
3682 * stor-layout.c (relayout_decl): Don't zero the alignment if it
3683 was set by the user.
3685 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
3688 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3689 (divsi_inv_m1): Use them.
3690 (UNSPEC_DIV_INV_TABLE): New constant.
3692 2006-09-06 James E Wilson <wilson@specifix.com>
3695 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3696 then call count_or_remove_death_notes.
3698 2006-09-06 Jason Merrill <jason@redhat.com>
3701 * tree-inline.c (copy_result_decl_to_var): New fn.
3702 (declare_return_variable): Use it. Call declare_inline_vars here.
3703 (expand_call_inline): Not here.
3705 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3707 * doc/contrib.texi: Update my entry.
3709 2006-09-06 Nick Clifton <nickc@redhat.com>
3711 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3713 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3716 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3717 (canonicalize_induction_variables): Likewise.
3718 (tree_unroll_loops_completely): Likewise.
3719 (tree_ssa_prefetch_arrays): Likewise.
3720 (remove_empty_loops): Likewise.
3721 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3722 TODO_cleanup_cfg instead of directly calling
3723 cleanup_tree_cfg_loop.
3724 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3726 (tree_unroll_loops_completely): Likewise.
3727 (remove_empty_loops): Likewise.
3728 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3729 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3730 of tree_ssa_unswitch_loops.
3731 (tree_ssa_loop_ivcanon): Use the return value of
3732 canonicalize_induction_variables.
3733 (tree_ssa_empty_loop): Use the return value of
3735 (tree_complete_unroll): Use the return value of
3736 tree_unroll_loops_completely.
3737 (tree_ssa_loop_prefetch): Use the return value of
3738 tree_ssa_prefetch_arrays.
3739 * passes.c (execute_todo): Before Cleanup CFG, set
3740 updating_used_alone and after cleanup CFG, call
3741 recalculate_used_alone.
3743 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3746 * tree-vect-transform.c (vectorizable_condition): Move the check
3747 for the type after the check for simple condition.
3749 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3750 Kaz Kojima <kkojima@gcc.gnu.org>
3753 * mode-switching.c (optimize_mode_switching): Make the destination
3754 block of an abnormal edge have no anticipatable mode. Don't
3755 insert mode switching code at the end of the source block of
3758 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3760 PR rtl-optimization/26847
3761 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3762 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3763 (simplify_plus_minus): Count n_constants while filling ops. Replace
3764 qsort with insertion sort. Before going through the array to simplify
3765 pairs, sort it. Delay early exit until after the first sort, exiting
3766 only if no swaps occurred. Simplify pairs in reversed order, without
3767 special-casing the first iteration. Pack ops after simplifying pairs.
3769 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3771 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3772 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3773 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3774 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3776 2006-09-05 Richard Guenther <rguenther@suse.de>
3778 PR tree-optimization/28900
3779 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3780 compound conditional before creating COND_EXPR condition.
3782 2006-09-05 Richard Guenther <rguenther@suse.de>
3784 PR tree-optimization/28905
3785 * tree-vrp.c (fix_equivalence_set): Manually implement
3786 !value_ranges_intersect_p to also handle symbolic ranges.
3788 2006-09-05 Richard Guenther <rguenther@suse.de>
3791 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3794 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3796 PR rtl-optimization/27616
3797 * cse.c (table_size): New static variable.
3798 (new_basic_block): Initialize it to 0.
3799 (remove_from_table): Decrement it.
3800 (insert): Increment it.
3801 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3802 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3803 fold_rtx_mem_1 if under the cap.
3804 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3805 the lookup of the equivalent expression and test for equality of the
3806 first operand of the equivalent expression before in turn looking up
3807 an equivalent constant for the second operand.
3809 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3812 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3813 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3814 pointer, instead of assuming it is possible to derive the
3815 correct args size from a call insn.
3817 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3820 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3821 (fold_builtin_mempcpy): Rename to...
3822 (fold_builtin_memory_op): ... this. Optimize one element copy
3824 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3826 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3827 (expand_builtin_memcpy, expand_builtin_mempcpy,
3828 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3829 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3830 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3831 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3833 2006-09-01 DJ Delorie <dj@redhat.com>
3835 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3836 (stzx_16): Likewise.
3837 ("stzx_24_<mode>"): Likewise.
3838 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3839 ("cmp<mode>_op"): New.
3840 (cmp<mode>): Change to expander; just save operands.
3842 (b<code>): Change to expander, emit compare here.
3843 (s<code>_op): Change to use split and expander.
3844 (s<code>_24_op): Likewise.
3845 (s<code>_<mode>): New.
3846 (s<code>_<mode>_24): New.
3847 (movqicc_<code>_<mode): New.
3848 (movhicc_<code>_<mode>): New.
3851 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3852 (m32c_pend_compare): New.
3853 (m32c_unpend_compare): New.
3854 (m32c_expand_scc): New.
3855 (m32c_expand_movcc): Emit the compare also.
3856 * config/m32c/predicates.md (mra_nopp_operand): New.
3858 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3859 Richard Guenther <rguenther@suse.de>
3860 Adam Nemet <anemet@caviumnetworks.com>
3863 * builtins.c (get_pointer_alignment): Handle more forms
3864 of base addresses that can be used to derive more precise
3865 information about alignment.
3867 2006-09-01 Jason Merrill <jason@redhat.com>
3870 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3873 * gimplify.c (voidify_wrapper_expr): Handle null type.
3875 2006-09-01 Josh Conner <jconner@apple.com>
3878 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3879 (execute_return_slot_opt): Use it.
3881 2006-08-31 Josh Conner <jconner@apple.com>
3884 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3885 returning aggregates.
3887 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3889 PR tree-optimization/28839
3890 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3891 blocks in that phi arguments appear.
3893 2006-08-31 Roger Sayle <roger@eyesopen.com>
3896 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3897 NULL, otherwise use an advance_loc4 to adjust relative to the
3899 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3900 (dwarf2out_switch_text_section): Reset the current label to avoid
3901 using advance_loc4 over section boundaries.
3903 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3906 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3907 r12 + SYMBOLIC_CONST.
3909 2006-08-30 Richard Guenther <rguenther@suse.de>
3911 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3913 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3915 PR rtl-optimization/27735
3916 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3917 Add new argument to keep track of whether an irreducible region
3918 was affected. All callers changed.
3919 (fix_irreducible_loops): Removed.
3920 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3921 flags were invalidated.
3923 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3925 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3926 instead of SF operands.
3927 (*fop_df_comm_sse): Likewise.
3928 (*fop_df_comm_i387): Likewise.
3929 (*fop_df_1_mixed): Likewise.
3930 (*fop_df_1_sse): Likewise.
3932 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3933 J"orn Rennecke <joern.rennecke@st.com>
3935 PR tree-optimization/17506
3936 * tree-ssa.c (warn_uninit): If warning about a location outside of
3937 the current function, note where the variable was declared.
3939 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3941 PR tree-optimization/28411
3942 * double-int.c (double_int_div): Use double_int_divmod.
3943 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3944 double_int_mod, double_int_smod, double_int_umod): New functions.
3945 * double-int.h (double_int_divmod, double_int_sdivmod,
3946 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3948 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3950 (get_computation_aff, get_computation_cost_at): Handle double_int
3951 return type of constant_multiple_of.
3953 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3956 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3957 an implicit conversion.
3959 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3961 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3963 2006-08-27 Roger Sayle <roger@eyesopen.com>
3965 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3968 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3970 * config/i386/crtfastmath.c: Fix a comment typo.
3972 2006-08-26 Roger Sayle <roger@eyesopen.com>
3974 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3975 temporary visit flags on CASE_LABEL_EXPRs.
3976 * c-common.c (match_case_to_enum): Add function comment. Avoid
3977 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3978 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3979 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3980 a constant, only warn if that constant value isn't handled.
3982 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3985 * input.h (restore_input_file_stack): Declare.
3986 (INPUT_FILE_STACK_BITS): Define.
3987 * toplev.c (fs_p, input_file_stack_history,
3988 input_file_stack_restored, restore_input_file_stack): New.
3989 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3990 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3991 (pop_srcloc): Don't free old state of stack.
3993 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3996 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3997 (PowerPC Type Attributes): New.
3999 2006-08-26 Bob Wilson <bob.wilson@acm.org>
4001 * config/xtensa/xtensa.c (function_arg_boundary): New.
4002 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
4004 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
4005 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
4007 2006-08-26 Jakub Jelinek <jakub@redhat.com>
4010 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
4013 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4015 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
4016 (verify_local_live_at_start): Likewise.
4018 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4021 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
4022 omp_add_variable): Treat sizes as variable whenever not
4025 2006-08-26 Richard Guenther <rguenther@suse.de>
4028 * fold-const.c (fold_binary): Fold temporary to correct
4029 type before constructing new comparison.
4031 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
4034 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
4035 variable again if DECL_SEEN_IN_BIND_EXPR_P.
4037 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4040 * c-decl.c (start_function): Don't try to process prototype
4041 information from old declaration that isn't a function.
4043 2006-08-25 Jan Hubicka <jh@suse.cz>
4046 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
4048 2006-08-25 Alan Modra <amodra@bigpond.net.au>
4051 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
4054 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
4056 PR tree-optimization/16876
4057 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
4058 exit if PARM doesn't match VALUE.
4060 2006-08-25 Bob Wilson <bob.wilson@acm.org>
4062 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
4063 literal_prefix directive.
4064 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
4065 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4066 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4068 2006-08-25 David Edelsohn <edelsohn@gnu.org>
4071 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
4072 predicate to general_operand. Add 0->y and I->r alternatives.
4074 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
4076 * doc/tm.texi: Fix a typo.
4077 * predict.c: Fix comment typos.
4079 2006-08-25 Nick Clifton <nickc@redhat.com>
4081 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
4082 assertions of "cpu" and "machine".
4084 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
4087 * tree-ssa-operands.c (access_can_touch_variable): Don't say
4088 the access through a base which has an alias set of 0 cannot
4091 2006-08-24 Bill Wendling <wendling@apple.com>
4093 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
4095 2006-08-24 Jan Hubicka <jh@suse.cz>
4097 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
4099 2006-08-24 Jan Hubicka <jh@suse.cz>
4102 * cgraph.c: Fix comments.
4103 (cgraph_varpool_mark_needed_node): Mark only variables not already
4105 * cgraphunit.c: Update comments; include gt-cgraphunit.h
4106 (cgraph_varpool_assembled_nodes_queue): New static variable.
4107 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
4108 (cgraph_varpool_output_debug_info): New function.
4109 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
4110 * Makefile.in: Add gt-cgraphunit.h
4112 2006-08-24 Jan Hubicka <jh@suse.cz>
4114 * predict.c (probability_reliable_p): New predicate.
4115 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
4116 (predict_loops): Do not predict loop exit with less than 2%
4118 * basic-block.h (edge_probability_reliable_p,
4119 br_prob_note_reliable_p): Declare.
4120 * ia64.h (ia64_print_operand): Do not disable on-chip branch
4121 prediction when static predictor is not reliable.
4122 * rs6000.c (output_cbranch): Likewise.
4124 2006-08-23 Stuart Hastings <stuart@apple.com>
4127 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
4128 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
4130 2006-08-21 Geoffrey Keating <geoffk@apple.com>
4133 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
4134 complex values, nor for generic vector values.
4136 2006-08-22 Richard Guenther <rguenther@suse.de>
4139 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
4140 parameter. Convert arguments to arithmetic expression to the
4142 (analyze_scalar_evolution_1): Adjust caller.
4144 2006-08-22 Jan Hubicka <jh@suse.cz>
4146 Patch by Paolo Bonzini
4147 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
4150 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
4152 PR tree-optimization/28003
4153 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
4154 before grouping aliases.
4156 2006-08-22 Roger Sayle <roger@eyesopen.com>
4158 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
4159 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
4161 2006-08-21 Jason Merrill <jason@redhat.com>
4164 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
4165 wrapper. Loop to handle nested wrappers.
4166 (gimplify_bind_expr): Remove temp parameter.
4167 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
4168 and STATEMENT_LIST on the rhs.
4169 (gimplify_statement_list): Voidify the STATEMENT_LIST.
4170 (gimplify_expr): Pass pre_p to gimplify_statement_list.
4171 (gimplify_target_expr): Remove special BIND_EXPR handling.
4173 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
4175 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
4178 2006-08-21 Olivier Hainque <hainque@adacore.com>
4180 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
4181 Arrange for the temporary captures of components overlapping the lhs
4182 to happen before the lhs is possibly cleared.
4184 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
4186 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
4187 necessary places to pass the correct "number of registers" values
4190 2006-08-20 Jan Hubicka <jh@suse.cz>
4192 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
4193 (create_name_tags): Instead of quadratic checking use hashtable.
4194 * bitmap.h: Include hashtab.h.
4195 (bitmap_hash): Declare.
4196 * bitmap.c (bitmap_hash): New function.
4198 2006-08-20 Jan Hubicka <jh@suse.cz>
4200 PR rtl-optimization/28071
4201 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
4203 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
4204 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
4205 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
4206 cgraph_decide_inlining_incrementally): Update use of
4207 cgraph_check_inline_limits.
4208 * cgraph.c (edge_hash, edge_eq): New function.
4209 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
4210 cgraph_edge_remove_caller, cgraph_node_remove_callees,
4211 cgraph_remove_node): Maintain call site hash.
4212 * cgraph.h (struct cgraph_node): Add call_site_hash.
4213 (cgraph_set_call_stmt): New function.
4215 2006-08-20 Jan Hubicka <jh@suse.cz>
4217 PR rtl-optimization/28071
4218 * reload1.c (reg_has_output_reload): Turn into regset.
4219 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
4220 choose_reload_regs, emit_reload_insns): Update to new
4221 reg_has_output_reload.
4223 2006-08-20 Jan Hubicka <jh@suse.cz>
4226 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
4227 function body sizes.
4228 * cgraphunit.c (cgraph_analyze_function): Don't do so.
4230 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
4233 * tree.c (handle_dll_attribute): Return early if not a
4234 var or function decl.
4236 2006-08-18 Joseph Myers <joseph@codesourcery.com>
4239 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
4240 alignment of SPE vector types.
4242 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
4244 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
4246 2006-08-17 Jakub Jelinek <jakub@redhat.com>
4249 * cgraph.h (struct cgraph_node): Remove externally_visible
4251 * cgraphunit.c (process_function_and_variable_attributes): Set
4252 local.externally_visible rather than externally_visible.
4255 * c-common.c (handle_externally_visible_attribute): First look
4256 at TREE_CODE and only if it is function or var decl, check for
4257 non-public objects. Don't warn for DECL_EXTERNAL.
4258 * cgraphunit.c (process_function_and_variable_attributes): Warn
4259 if externally_visible attribute is used on non-public object.
4261 2006-08-17 Jan Hubicka <jh@suse.cz>
4263 PR tree-optimization/27865
4264 * reload1.c (forget_marked_reloads): New function.
4265 (forget_old_reloads_1): When data are passed, just mark the registers
4267 (reload_as_needed): Use the new mechanizm.
4269 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
4272 * reload.h (reg_equiv_alt_mem_list): New declaration.
4273 * reload1.c (reg_equiv_alt_mem_list): New definition.
4274 (reload): Initialize it and release it.
4275 (delete_output_reload): Use it.
4276 * reload.c (push_reg_equiv_alt_mem): New function.
4277 (find_reloads_toplev): Call it.
4278 (find_reloads_address, find_reloads_address_1): Likewise.
4279 (find_reloads_subreg_address): Likewise.
4281 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4283 PR rtl-optimization/28489
4284 * sched-ebb.c (begin_schedule_ready): Create basic block
4286 (advance_target_bb): Skip empty blocks.
4287 * haifa-sched.c (bb_note): Make global.
4288 * sched-int.h (bb_note): Add prototype.
4290 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4292 PR tree-optimization/27865
4293 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
4295 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
4296 fold_used_pointer, pointer_used_p): New functions.
4297 (analyze_scalar_evolution_1): Use fold_used_pointer.
4298 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
4299 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
4302 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
4305 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
4306 or the INTEGER_CST. Fail on a CALL_EXPR.
4307 (fold_offsetof): Pass new argument to fold_offsetof_1.
4308 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
4309 operand into an INDIRECT_REF.
4310 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
4312 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4314 PR gcov/profile/26570
4315 * value-prof.c (static_values): Removed.
4316 (tree_find_values_to_profile): Do not set static_values.
4317 (find_values_to_profile): Do not free static_values.
4318 * profile.c (instrument_values): Do not free the values.
4319 (branch_prob): Free the values.
4321 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
4323 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
4325 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4328 * c-typeck.c (build_component_ref): Combine qualifiers of
4329 structure or union and field.
4331 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4333 PR rtl-optimization/28071
4334 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
4335 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
4336 * tree-into-ssa.c (struct dom_dfsnum): New.
4337 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
4339 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
4340 compute_global_livein.
4341 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
4342 in phi nodes in the correct blocks.
4344 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4346 PR tree-optimization/28364
4347 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
4349 (fold_affine_expr): New function.
4350 (may_eliminate_iv): Use fold_affine_expr.
4352 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4355 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
4358 2006-08-16 Mike Stump <mrs@apple.com>
4360 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
4361 * doc/cppopts.texi (-MD): Likewise.
4363 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
4366 * c-common.c (handle_weak_attribute): Ignore and warn if
4367 not a FUNCTION_ or VAR_DECL.
4369 2006-07-15 Mike Stump <mrs@apple.com>
4372 * c-parser.c (c_parser_typeof_specifier): Don't use
4373 c_finish_expr_stmt, open code desired semantics instead.
4375 2006-08-15 Nick Clifton <nickc@redhat.com>
4377 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
4378 fragment to tmake_file only if threads are enabled.
4379 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
4380 * config/i386/t-gthr-win32: New file. ... here.
4382 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4385 * c-parser.c (c_parser_compound_statement_nostart): Reset
4386 parser->error after each statement.
4388 2006-08-15 Jakub Jelinek <jakub@redhat.com>
4391 * omp-low.c (lower_omp_parallel): Convert t to
4392 receiver_decl's type.
4393 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
4394 source before comparison.
4397 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
4398 to itype in assignment to oldival2.
4400 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
4404 * c-typeck.c (build_compound_expr): If the second expression
4405 is an error mark, then just return an error mark instead of
4406 creating a COMPOUND_EXPR.
4408 2006-07-14 Mike Stump <mrs@apple.com>
4410 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
4412 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
4414 * c-decl.c, var-tracking.c: Fix comment typos.
4416 2006-08-14 Richard Sandiford <richard@codesourcery.com>
4418 PR rtl-optimization/28634
4419 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
4420 for floating-point modes unless flag_unsafe_math_optimizations.
4422 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
4423 Andrew Pinski <pinskia@physics.uc.edu>
4426 * tree.c (build_array_type): Unify array types with
4427 unspecified index_type.
4428 * c-decl.c (grokdeclarator): Make sure we do not modify a
4429 unified incomplete array type.
4430 * c-typeck.c (store_init_value): Create distinct type before
4431 filling in the index type in an initializer from a compound
4434 * c-decl.c (grokdeclarator): Remove code where we copy the
4437 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
4439 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
4440 into account for TODO_dump_cgraph.
4441 (TODO_update_ssa_no_phi): Likewise.
4442 (TODO_update_ssa_full_phi): Likewise.
4443 (TODO_update_ssa_only_virtuals): Likewise.
4444 (TODO_remove_unused_locals): Likewise.
4445 (TODO_set_props): Likewise.
4446 (TODO_update_stmt_usage): Likewise.
4448 2006-08-13 Dirk Mueller <dmueller@suse.de>
4450 * c-common.c (strict_aliasing_warning): Fix formatting.
4452 2006-08-13 Matthias Klose <doko@debian.org>
4454 * doc/invoke.texi: Fix spelling errors.
4456 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4458 PR rtl-optimization/23454
4459 * reorg.c (relax_delay_slots): Update comment.
4461 2006-08-11 Richard Guenther <rguenther@suse.de>
4464 * simplify-rtx.c (simplify_const_relational_operation):
4465 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
4468 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
4470 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
4471 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
4473 2006-08-10 Paul Brook <paul@codesourcery.com>
4475 * final.c (final_scan_insn): Clear current_insn_predicate before
4476 outputting inline asm.
4478 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
4480 PR tree-optimization/26197
4481 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
4482 get_ref_base_and_extent and overlap_subvar to add only relevant
4483 subvars as may-aliases.
4484 (add_may_alias_for_new_tag): New function, factored out of
4486 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
4487 with additional argument.
4488 * tree-flow.h (new_type_alias): Takes additional argument.
4490 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
4492 * gcov.c (no_data_file): New flag.
4493 (read_count_file): Set it if data file not present. Assume counts
4495 (output_lines): Don't name the data file, if there wasn't one.
4497 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
4499 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
4500 (rs6000_generate_compare): Tweak comments.
4501 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
4503 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
4505 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
4506 (var_debug_decl): New function.
4507 (var_reg_set): Follow debug decl link. Add location even if
4508 reg is already known to hold some other variable.
4509 (var_mem_set): Follow debug decl link.
4510 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
4511 decl link. Delete other known locations of the variable part
4513 (var_reg_delete, var_mem_delete): Delete other known locations
4514 of the variable part if requested.
4515 (same_variable_part_p): New function.
4516 (add_stores): Select MO_COPY when appropriate.
4517 (vt_initialize): Handle it.
4518 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
4519 known locations for MO_SET and MO_CLOBBER.
4520 (find_variable_location_part): New function.
4521 (set_variable_part, delete_variable_part): Use it.
4522 (clobber_variable_part): New function.
4523 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
4526 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
4528 PR tree-optimization/26969
4529 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
4530 with an empty list of PHIs.
4532 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
4536 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
4539 2006-08-06 Andreas Schwab <schwab@suse.de>
4541 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
4542 string. Whitespace and comment fixup.
4544 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4547 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
4551 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
4554 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
4556 2006-08-04 Jan Hubicka <jh@suse.cz>
4560 * reload.c (push_reload): Patch out the mismatching instruction;
4562 (find_reload): Bail out if the instruction was patched out.
4564 2006-08-04 Jan Hubicka <jh@suse.cz>
4566 PR tree-optimization/24888
4567 * tree-inline.c (expand_call_inline): Do not re-record variables.
4568 (declare_inline_vars): Add variable to unexpanded_var_list.
4570 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4571 Roger Sayle <roger@eyesopen.com>
4573 PR rtl-optimization/26244
4574 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
4575 inner_const are negative or greater than or equal to the bitsize of
4576 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
4577 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
4578 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
4579 CONST0_RTX (mode) when the new shift count is greater than or equal to
4580 to the bitsize of the object being shifted and XEXP (y, 0) has no side
4583 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
4585 * tree-cfg.c: Fix a comment typo.
4587 2006-08-03 Mark Mitchell <mark@codesourcery.com>
4590 * varasm.c (output_constant): Give the front end another chance to
4591 expand constants, after stripping NOPs.
4593 2006-08-03 Jan Hubicka <jh@suse.cz>
4595 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
4598 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
4600 PR tree-optimization/27770
4601 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
4602 declaration removed (moved to tree-flow.h).
4603 (vect_can_force_dr_alignment_p): Likewise.
4604 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
4605 (moved from tree-vectorizer.h).
4606 (vect_can_force_dr_alignment_p): Likewise.
4607 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
4608 from outside the vectorizer - in particular from cgraph stage.
4609 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
4610 the alignment of global arrays when -fsection-anchors is enabled.
4611 * cgraphunit.c (cgraph_increase_alignment): New function.
4612 (cgraph_optimize): Call cgraph_increase_alignment.
4614 2006-08-03 David Edelsohn <edelsohn@gnu.org>
4617 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
4618 not reload a SPE symbol_ref into a lo_sum address.
4620 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
4623 * dwarf2out.c (prune_unused_types_prune): Move call to
4624 prune_unused_types_update_strings to cover the parent DIE also.
4626 2006-08-02 Jan Hubicka <jh@suse.cz>
4628 PR gcov/profile/28480
4629 * tree-cfg.c (change_bb_for_stmt): New function.
4630 (tree_merge_blocks, tree_split_blocks): Use it.
4632 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4638 * toplev.c (compile_file): Return early on errorcount or sorrycount.
4639 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4640 (cgraph_optimize): Likewise.
4642 2006-08-01 Stuart Hastings <stuart@apple.com>
4644 * rtl.h (UINTVAL) New.
4645 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4646 * testsuite/gcc.dg/20060801-1.c: New.
4648 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4651 * c-typeck.c (build_external_type): Mark used enum types.
4652 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4654 (gen_subprogram_die): Whitespace fix.
4656 2006-08-01 Jan Hubicka <jh@suse.cz>
4658 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4659 bitmap when not needed.
4660 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4663 2006-08-01 Dirk Mueller <dmueller@suse.de>
4665 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4667 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4669 * Makefile.in: Revert part of previous patch:
4670 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4673 2006-07-30 Eric Christopher <echristo@apple.com>
4676 * doc/extend.texi (i386 Variable Attributes): Add anchor.
4677 (PowerPC Variable Attributes): New section.
4679 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
4681 PR target/28126 (partial fix)
4682 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4684 2006-07-28 Jan Hubicka <jh@suse.cz>
4686 PR rtl-optimization/28071
4687 * cfgrtl.c (rtl_delete_block): Free regsets.
4688 * flow.c (allocate_bb_life_data): Re-use regsets if available.
4690 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4692 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4693 and variables used in dependencies.
4695 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4697 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4698 %fs for -mcmodel=kernel.
4699 (stack_tls_protect_test_di): Likewise.
4701 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4703 * Makefile.in: Use mkinstalldirs.
4705 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4708 * opts-common.c (prune_options): Skip joined switches.
4710 2006-07-27 Jan Hubicka <jh@suse.cz>
4712 PR rtl-optimization/28071
4713 * cselib.c (cselib_process_insn): Don't remove useless values too
4714 often for very large hashtables.
4716 2006-07-27 Jan Hubicka <jh@suse.cz>
4718 PR rtl-optimization/28071
4719 * global.c (greg_obstack): New obstack.
4720 (allocate_bb_info): Use it.
4721 (free_bb_info): Likewise.
4722 (modify_reg_pav): Likewise.
4724 2006-07-27 Roger Sayle <roger@eyesopen.com>
4726 * builtins.c (fold_fixed_mathfn): When long and long long are the
4727 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4728 functions to their lceil*, lfloor*, lround* and lrint* forms.
4730 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4733 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4735 (rev_branch_insn): Likewise.
4737 2006-07-27 Jan Hubicka <jh@suse.cz>
4739 PR rtl-optimization/28071
4740 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4741 (reg_set_in_bb, max_reg_computed): New static variables.
4742 (regmove_optimize): Free the new array.
4743 (fixup_match_1): Update call of reg_is_remote_constant_p.
4745 2006-07-26 Jan Hubicka <jh@suse.cz>
4747 PR tree-optimization/27882
4748 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4750 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4752 (cgraph_analyze_compilation_unit): Likewise.
4753 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4754 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4755 (cgraph_early_inlinine): Make order garbage collected.
4756 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4758 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4760 * dbxout.c (output_types_sort): Add a comment.
4761 (output_used_types): Free the VEC.
4763 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4765 * function.c (reorder_fix_fragments): Delete.
4766 (reorder_blocks): Don't call it.
4767 (reorder_blocks_1): Put all subblocks under the origin block.
4769 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4771 PR rtl-optimization/27907
4772 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4775 2006-07-25 Roger Sayle <roger@eyesopen.com>
4778 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4779 bar(x) check that bar's result type can represent all the values of T.
4781 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4783 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4785 2006-07-25 Nick Clifton <nickc@redhat.com>
4787 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4788 size_lookup[] array.
4789 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4790 (ggc_pch_count_object): Likewise.
4791 (ggc_pch_alloc_object): Likewise.
4792 (ggc_pch_write_object): Likewise.
4793 (init_ggc): Do not attempt to initialize entries in the
4794 size_lookup[] array for objects whose size is greater than than
4795 the length of the array.
4797 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4799 * dbxout.c (output_used_types_helper): Push queued types
4801 (output_types_sort): New.
4802 (output_used_types): Collect used types on a VEC and sort them
4805 2006-07-24 Richard Guenther <rguenther@suse.de>
4808 * cgraph.c (cgraph_remove_node): Do not check if dumps
4810 * cgraphunit.c (cgraph_optimize): Likewise.
4812 2006-07-24 Jan Hubicka <jh@suse.cz>
4814 PR rtl-optimization/28071
4815 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4816 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4817 splitting before first stmt.
4819 2006-07-24 Jan Hubicka <jh@suse.cz>
4821 PR rtl-optimization/28071
4822 * ipa-inline.c (update_caller_keys): Remove edges that
4823 are no longer inline candidates.
4825 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4828 * dbxout.c (output_used_types_helper, output_used_types): New.
4829 (dbxout_symbol): Call output_used_types.
4831 2006-07-23 Jan Hubicka <jh@suse.cz>
4835 * cgraph.c (cgraph_varpool_nodes): Export.
4836 (decide_is_variable_needed): Ignored "used" attribute in
4837 unit-at-a-time mode.
4838 * cgraph.h (cgraph_varpool_nodes): Declare.
4839 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4840 unit-at-a-time mode.
4842 2006-07-23 Roger Sayle <roger@eyesopen.com>
4845 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4846 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4847 the __gthrw form of thr_keycreate.
4848 (__gthread_key_delete): Silence the unused argument warning.
4850 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4853 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4854 Cache the last found '\0' marker to avoid quadratic behavior.
4856 2006-07-23 Jan Hubicka <jh@suse.cz>
4858 * i386.md (subsi_3_zext): Fix output template.
4860 2006-07-21 Mike Stump <mrs@apple.com>
4862 * doc/invoke.texi (C++ Dialect Options): Note that
4863 -fvisibility-inlines-hidden doesn't affect explicitly
4864 instantiationed inline methods.
4866 2006-07-20 Roger Sayle <roger@eyesopen.com>
4868 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4869 if the target assembler is GNU binutils' gas.
4870 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4871 whether to pass GNU gas or native as command line options.
4873 2006-07-20 Jason Merrill <jason@redhat.com>
4875 * tree.c (remove_attribute): New fn.
4876 * tree.h: Declare it.
4878 2006-07-20 Paul Brook <paul@codesourcery.com>
4881 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4882 they are invalidated by this instruction.
4884 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4887 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4889 2006-07-20 Eric Christopher <echristo@apple.com>
4892 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4894 2006-07-19 Eric Christopher <echristo@apple.com>
4896 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4897 Rewrite dependencies for libgcc_s.1.dylib.
4899 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4901 * except.c (duplicate_eh_regions_1): Clear next_peer.
4903 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4905 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4906 -mlongcall does not guarantee all calls will be long.
4907 * doc/extend.texi (long_call/short_call): Document that longcall
4908 does not guarantee a long call will be used.
4909 (longcall/shortcall): Likewise.
4911 2006-07-18 Roger Sayle <roger@eyesopen.com>
4914 * expmed.c (expand_shift): Additionally check that the shift_cost
4915 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4916 before implementing a LSHIFT_EXPR as a sequence of additions.
4917 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4918 middle-end that DImode shifts need to be synthesized by expand.
4920 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4923 * tree-ssa-operands.c (access_can_touch_variable): Update
4925 Return true if ALIAS is .GLOBAL_VAR.
4927 2006-07-18 David Daney <ddaney@avtrex.com>
4929 * gcc.c (display_help): Fix typo in help text.
4931 2006-07-18 Olivier Hainque <hainque@adacore.com>
4933 * tree.h (categorize_ctor_elements): Adjust prototype and add
4934 descriptive comment, both in accordance with the interface change
4936 * varasm.c (constructor_static_from_elts_p): New function.
4937 Whether a constructor node is a valid static constant initializer
4938 if all its elements are.
4939 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4940 * output.h: Declare it.
4941 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4942 is a valid constant initializer instead of computing the number of
4943 non-constant elements. Use constructor_static_from_elts_p for this
4944 purpose. Replace the head comment with an indication that this is a
4945 helper for categorize_ctor_elements.
4946 (categorize_ctor_elements): Same interface change as for the _1
4947 helper. Former head comment from this helper moved here, adjusted to
4948 account for the interface changes.
4949 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4950 (all_zeros_p): Likewise.
4951 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4952 static versions of the constructor from the categorize_ctor_elements
4953 return value instead of the formerly computed number of non-constant
4956 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4958 * configure: Regenerate.
4959 * Makefile.in (build_libsubdir): New configure substitution
4960 (build_libobjdir): New variable.
4961 (BUILD_LIBIBERTY): Use it.
4963 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4966 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4968 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4971 * c-common.c (handle_weakref_attribute): Ignore attribute in
4972 the same conditions the alias attribute is ignored.
4974 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4976 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4977 (dbxout_begin_prologue): Increment scope_labelno.
4979 2006-07-17 Richard Henderson <rth@redhat.com>
4982 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4985 2006-07-17 Roger Sayle <roger@eyesopen.com>
4986 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4988 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4989 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4990 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4991 functions such as sbrk, write, etc.. Add function prototypes.
4992 Convert function declarations from K&R to ISO C. Cast pointers
4993 to "long" and "unsigned long" instead of "int" and "unsigned int".
4994 Convert tokens following #endif into comments.
4996 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4998 * invoke.texi: Remove mention of f77; Reformat table for
4999 inline parameter options correctly; mention that -malign-double
5000 is default on x86-64 targets.
5002 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
5004 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
5005 (convert_affine_scev, chrec_convert_aggressive): Use
5006 avoid_arithmetics_in_type_p. Do not check for the subtypes
5009 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5012 * optabs.c (expand_doubleword_shift): Wrap the call to
5013 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
5015 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5018 * optabs.c (expand_binop): Pass next_methods rather than methods
5019 to expand_doubleword_shift.
5021 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
5024 * tree.h (dump_addr): Declare.
5025 * print-tree.c (dump_addr): New function.
5026 (print_node_brief, print_node): Use it.
5027 * print-rtl.c (print_rtx): Likewise.
5028 * common.opt (-fdump-noaddr): New option.
5029 * doc/invoke.texi (-fdump-noaddr): Document.
5030 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
5031 (ve_info_hash): Likewise.
5033 2006-07-13 Andrew Haley <aph@redhat.com>
5035 PR tree-optimization/19505
5036 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
5037 edge leaving this block, make sure that the destination of this
5038 block has only one predecessor.
5040 2006-07-17 Richard Guenther <rguenther@suse.de>
5042 PR tree-optimization/28238
5043 * tree-inline.c (copy_bb): Check if we produced valid
5044 gimple copying and substituting a stmt. If not, gimplify
5047 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
5049 * optabs.c (maybe_encapsulate_block): New function extracted from...
5050 (emit_libcall_block): ...here. Invoke it on the block of insns to
5051 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
5052 (emit_no_conflict_block): Likewise.
5054 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5056 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
5058 2006-07-15 Roger Sayle <roger@eyesopen.com>
5060 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
5061 a new NOP_EXPR case of the switch statement.
5063 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
5066 * stor-layout.c (place_field): Take the bit field with
5067 an excessive size into account in the ms-bitfiled case.
5070 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
5071 the previous bit field.
5073 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
5076 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
5078 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5080 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
5081 signal frames correctly even when the signal was installed with
5084 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
5086 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
5087 (dbxout_function_end): Use local label LFBB. Remove hook
5089 (dbxout_source_line): Use local label LFBB.
5090 (dbxout_block): Likewise.
5091 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
5092 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
5093 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
5094 and DBX_OUTPUT_NFUN.
5096 2006-07-13 Janis Johnson <janis187@us.ibm.com>
5098 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
5100 2006-07-13 Jan Hubicka <jh@suse.cz>
5102 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
5104 * output.h (align_variable): Declare.
5105 * varasm.c (align_variable): Export.
5106 * value-prof.c (tree_value_profile_transformations): Recompute iterator
5107 when basic block changed.
5109 2006-07-13 Nick Clifton <nickc@redhat.com>
5111 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
5112 walking the LOG_LINKS chain.
5114 2006-07-12 Geoffrey Keating <geoffk@apple.com>
5116 * doc/invoke.texi (C++ Dialect Options): Explain difference
5117 between -fvisibility-inlines-hidden and setting hidden
5118 visibility explicitly.
5120 2006-07-12 Eric Christopher <echristo@apple.com>
5122 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
5123 (stmp-lipo): Depend on libgcc.a.
5125 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
5127 * tree.c: Fix a comment typo.
5129 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
5131 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5133 (umulhisi3_r): Likewise.
5135 2006-07-12 Paolo Carlini <pcarlini@suse.de>
5138 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
5139 x < 19, vs wchar_t support.
5141 2006-07-12 Nick Clifton <nickc@redhat.com>
5143 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
5144 instead of -isa=sh4.
5146 2006-07-12 Mike Stump <mrs@apple.com>
5148 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
5150 2006-07-10 Eric Christopher <echristo@apple.com>
5152 * config/t-slibgcc-darwin: Rewrite.
5154 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
5157 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
5160 2006-07-08 Matthias Klose <doko@debian.org>
5162 * doc/sourcebuild.texi: Fix typo.
5164 2006-07-07 Mike Stump <mrs@apple.com>
5166 * toplev.c (process_options): Don't give -ffunction-sections may
5167 affect debugging warning for Mach-O.
5169 2006-07-07 James E Wilson <wilson@specifix.com>
5171 * config/mips/mips.md (cpu): Add sb1a.
5172 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
5173 addition to sb1. Adjust comments to clarify SB-1A differences from
5175 (ir_sb1a_load): New. Modify bypasses to use it.
5176 (ir_sb1a_simple_alu): Likewise.
5177 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
5178 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
5179 (mips_issue_rate): Add PROCESSOR_SB1A.
5180 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
5181 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
5182 (TARGET_SB1): Add PROCESSOR_SB1A check.
5183 (TUNE_SB1): Likewise.
5185 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
5186 * config/mips/mips.c (mips_store_data_bypass_p): New.
5187 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
5188 store_data_bypass_p.
5190 2006-07-08 Paul Brook <paul@codesourcery.com>
5193 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
5195 2006-07-07 Richard Guenther <rguenther@suse.de>
5198 * tree.h (build_one_cst): Declare.
5199 * tree.c (build_one_cst): New function.
5200 * tree-ssa-math-opts.c (get_constant_one): Remove.
5201 (insert_reciprocals): Use build_one_cst.
5202 * fold-const.c (fold_plusminus_mult): Likewise.
5204 2006-07-07 Roger Sayle <roger@eyesopen.com>
5206 * pointer-set.c (pointer_set_destroy): Correct whitespace.
5207 * cfgloopanal.c (dump_graph): Likewise.
5208 * dojump.c (discard_pending_stack_adjust): Likewise.
5209 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
5211 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
5212 * function.c (finalize_block_changes): Likewise.
5213 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
5214 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
5215 * rtl.c (dump_rtx_statistics): Likewise.
5216 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
5218 * varray.c (dump_varray_statistics): Likewise.
5219 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
5220 decode_decimal64, encode_decimal128, decode_decimal128,
5221 decimal_real_to_decimal): Likewise.
5223 2006-07-07 Richard Guenther <rguenther@suse.de>
5225 PR tree-optimization/28187
5226 * tree-vrp.c (vrp_operand_equal_p): New function.
5227 (vrp_bitmap_equal_p): Likewise.
5228 (update_value_range): Use them to compare old and new
5231 2006-07-06 Roger Sayle <roger@eyesopen.com>
5233 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
5234 a default case to switch statement to silence compiler warnings.
5236 2006-07-06 Roger Sayle <roger@eyesopen.com>
5239 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
5240 the configured assembler supports the x87's ffreep mnemonic.
5241 * configure: Regenerate.
5242 * config.in: Regenerate.
5244 * config/i386/i386.c (output_387_ffreep): New function.
5245 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
5246 (output_387_reg_move): Likewise.
5248 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
5250 Port to hosts whose 'sort' and 'tail' implementations
5251 treat operands with leading '+' as file names, as POSIX
5252 has required since 2001. However, make sure the code still
5253 works on pre-POSIX hosts.
5254 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
5255 which says you should use "tail -c +N" rather than "tail +Nc".
5256 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
5258 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5260 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
5263 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5266 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5267 PRE_{INC,DEC} of TFmode.
5269 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5270 Alan Modra <amodra@bigpond.net.au>
5273 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
5276 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5279 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
5280 Remove duplicate gtu.
5282 2006-07-05 Jason Merrill <jason@redhat.com>
5286 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
5287 * c-common.c (handle_packed_attribute): So don't copy it here.
5288 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
5290 2006-07-05 Mike Stump <mrs@apple.com>
5292 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
5294 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
5297 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
5299 2006-07-05 Richard Guenther <rguenther@suse.de>
5302 * config/i386/i386.md (*negdf2_1): Restrict pattern to
5303 TARGET_SSE2 targets if using SSE math.
5304 (*absdf2_1): Likewise.
5306 2006-07-05 Richard Guenther <rguenther@suse.de>
5308 PR tree-optimization/28162
5309 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
5310 make sure to convert the operands to the correct type.
5312 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
5314 PR tree-optimization/28218
5316 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
5317 to calculate and free the dominator information.
5319 2006-07-04 Peter O'Gorman <peter@pogma.com>
5321 * mklibgcc.in: chmod 644 before ranlib during install.
5323 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5324 J"orn Rennecke <joern.rennecke@st.com>
5326 * configure.ac (.eh_frame data check): Use diff -b.
5328 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5331 * Makefile.in (BUILD_RTL): Add build/vec.o.
5332 (build/gencondmd.o): Filter out -fkeep-inline-functions.
5333 (build/genextract): Delete.
5334 (build/genautomata): Likewise.
5336 2006-07-04 Alan Modra <amodra@bigpond.net.au>
5339 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
5340 128-bit IBM long doubles for ABI_V4.
5342 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
5344 * tree.c (range_in_array_bounds_p): New predicate.
5345 * tree.h (range_in_array_bounds_p): Declare it.
5346 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
5347 return a less conservative answer.
5348 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
5349 and flag 'is_group'.
5350 (IS_ELEMENT_FOR_GROUP): New macro.
5351 (FOR_EACH_ACTUAL_CHILD): Likewise.
5352 (next_child_for_group): New helper function.
5353 (can_completely_scalarize_p): Take into account groups.
5354 (sra_hash_tree): Handle RANGE_EXPR.
5355 (sra_elt_eq): Likewise.
5356 (lookup_element): Be prepared for handling groups.
5357 (is_valid_const_index): Delete.
5358 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
5359 instead of is_valid_const_index.
5360 <ARRAY_RANGE_REF>: New case.
5361 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
5362 is_valid_const_index.
5363 <ARRAY_RANGE_REF>: Do not unconditionally punt.
5364 (scan_dump): Dump info for groups too.
5365 (decide_instantiation_1): Likewise.
5366 (decide_block_copy): Assert that the element is not a group.
5367 Propagate decision to groups.
5368 (generate_one_element_ref): Handle RANGE_EXPR.
5369 (mark_no_warning): Iterate over actual childs.
5370 (generate_copy_inout): Likewise.
5371 (generate_element_copy): Likewise.
5372 (generate_element_zero): Likewise.
5373 (generate_element_init_1): Likewise.
5374 (dump_sra_elt_name): Handle RANGE_EXPR.
5376 2006-07-03 Roger Sayle <roger@eyesopen.com>
5378 PR tree-optimization/26251
5379 * tree-ssa-threadupdate.c (redirection_block_p): New function.
5380 (thread_block): When optimizing for size refuse to thread jumps
5381 that would require duplication of blocks other than redirection
5384 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5386 * configure.ac: Fix thinko in previous check-in.
5387 * configure: Regenerate.
5389 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5392 * configure.ac (for lang...): Simplify nesting of conditionals.
5393 Test subdir_requires for non-enabled languages. Move processing
5394 of lang_opt_files and lang_tree_fiels below that test.
5395 * configure: Regenerate.
5396 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
5398 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
5400 * doc/gcov.texi (Invoking Gcov): Add a missing word.
5402 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
5404 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
5407 2006-06-29 Jason Merrill <jason@redhat.com>
5414 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
5415 * c-common.c (c_determine_visibility): Handle it here.
5416 * c-decl.c (finish_decl): Call c_determine_visibility for
5418 * flags.h (enum symbol_visibility): Sort from most to least visibility.
5420 * varasm.c (default_assemble_visibility): Likewise.
5421 * c-common.c (handle_visibility_attribute): Complain about trying
5422 to give visibility to an already defined class, or trying to change
5423 declared visibility. Always attach the attribute.
5428 * attribs.c (decl_attributes): Ignore type-in-place attributes
5429 once the type has been defined.
5431 2006-06-29 Roger Sayle <roger@eyesopen.com>
5434 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
5435 to indicate the cpplib has issued an error message for us.
5437 2006-06-29 Asher Langton <langton2@llnl.gov>
5440 * config/i386/i386.c (ix86_output_function_epilogue): Don't
5441 insert a label at the end of an function under Mach-O.
5443 2006-06-29 Eric Christopher <echristo@apple.com>
5444 Evan Cheng <evan.cheng@apple.com>
5446 * predicates.md (vector_all_ones_operand): New.
5447 (nonimmediate_or_sse_const_operand): Ditto.
5448 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
5449 * config/i386/i386.c (standard_sse_constant_opcode): Define.
5450 (standard_sse_mode_p): Ditto.
5451 (standard_sse_constant_p): Add case for -1 vector.
5452 (ix86_expand_vector_move): Try to use.
5453 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
5454 Call standard_sse_constant_opcode.
5455 (*movv4sf_internal): Ditto.
5456 (*movv2df_internal): Ditto.
5458 2006-06-29 Roger Sayle <roger@eyesopen.com>
5460 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
5461 of XEXP to extract the operands of a MATCH_CODE rtx.
5463 2006-06-28 Andrew Pinski <pinskia@gmail.com>
5465 * tree.c (tree_size): Do not waste tail padding in
5466 struct tree_string and make the size be the same as
5467 build_string will generate.
5469 2006-06-28 Jason Merrill <jason@redhat.com>
5472 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
5473 may_aliases already in the tag's annotations to the bitmap.
5475 2006-06-28 Roger Sayle <roger@eyesopen.com>
5477 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
5479 2006-06-28 Roger Sayle <roger@eyesopen.com>
5481 * genpreds.c (generate_switch_p): New function.
5482 (add_mode_tests): Push the new mode test down inside an AND expr
5483 if this allows the switch-suitable MATCH_CODE to be near the root.
5484 (write_match_code_switch): New function to write a MATCH_CODE as
5486 (write_predicate_stmts): New function to write a predicate RTX
5487 expression as a sequence of statements.
5488 (write_one_predicate_function): Use write_predicate_stmts.
5489 (write_tm_constrs_h): Likewise.
5491 2006-06-26 Fred Fish <fnf@specifix.com>
5493 * config/mips/t-sb1: New file.
5494 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
5497 2006-06-26 DJ Delorie <dj@redhat.com>
5499 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
5501 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
5502 Jayant Sonar <jayants@kpitcummins.com>
5503 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
5505 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
5506 (subsi3, subsi3_1, subsi3_2): New.
5507 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
5508 * config/m32c/mov.md (SI mov peephole): New.
5509 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
5510 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
5512 2006-06-26 Olivier Hainque <hainque@adacore.com>
5514 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
5515 a CALL_EXPR target function declaration.
5517 2006-06-26 Richard Guenther <rguenther@suse.de>
5519 * tree.c (build_string): Do not waste tail padding in
5522 2006-06-26 Richard Guenther <rguenther@suse.de>
5524 * ggc-page.c (init_ggc): Add missing element to size_lookup
5528 2006-06-23 Richard Guenther <rguenther@suse.de>
5530 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5531 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5532 alignment requests instead. Add verification code.
5533 Add struct tree_function_decl and struct tree_binfo size to
5534 extra_order_size_table. Add missing element to size_lookup
5537 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
5540 * fold-const.c (const_binop): Be prepared for self returning zero.
5541 Simplify code handling complex values.
5543 2006-06-24 Olivier Hainque <hainque@adacore.com>
5545 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
5546 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
5549 2006-06-24 Olivier Hainque <hainque@adacore.com>
5551 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
5552 ARRAY_REF, so have the callback called for the low bound expression.
5554 2006-06-23 Janis Johnson <janis187@us.ibm.com>
5556 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
5557 * c-typeck.c (c_common_type): Disallow operations on decimal float
5558 types and other float types.
5559 * convert.c (convert_to_real): Don't ignore conversions involving
5560 decimal float types.
5562 2006-06-23 Olivier Hainque <hainque@adacore.com>
5564 * tree.c (max_int_size_in_bytes): New function, inspired from
5565 code in function.c:assign_temp.
5566 * tree.h (max_int_size_in_bytes): Declare.
5567 * function.c (assign_temp): Use it.
5568 * gimplify.c (create_tmp_var): Relax the assertions on the type
5569 properties, not mandating constant size any more.
5570 (force_constant_size): New static function.
5571 (gimple_add_tmp_var): Use it, forcing variable size to a
5572 constant upper bound if it is not constant on entry.
5574 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
5577 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
5578 for initialization and setting of one_only flag to ...
5579 (i386_pe_encode_section_info): ...here.
5580 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
5581 Recheck that the symbol has not been defined.
5583 2006-06-23 Richard Guenther <rguenther@suse.de>
5585 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5586 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5587 alignment requests instead. Add verification code.
5588 Add struct tree_function_decl and struct tree_binfo size to
5589 extra_order_size_table. Add missing element to size_lookup
5592 2006-06-22 Roger Sayle <roger@eyesopen.com>
5593 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5596 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
5597 call to lang_hooks.types.type_for_mode returned NULL_TREE.
5599 2006-06-23 Ben Elliston <bje@au.ibm.com>
5601 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
5602 negate dn -- manipulate it directly.
5604 2006-06-22 Roger Sayle <roger@eyesopen.com>
5605 Steven Bosscher <stevenb.gcc@gmail.com>
5608 * reload1.c (gen_reload): Call mark_jump_label on the new insns
5609 generated by gen_move_insn to add REG_LABEL notes if necessary.
5611 2006-06-22 Bob Wilson <bob.wilson@acm.org>
5613 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
5614 (leaf_entry): Remove use of MIN_ESA.
5616 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
5618 PR rtl-optimization/28121
5619 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
5622 2006-06-21 DJ Delorie <dj@redhat.com>
5624 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
5626 (mulhisi3_r): Likewise.
5628 2006-06-21 Richard Sandiford <richard@codesourcery.com>
5631 * coverage.c (coverage_counter_alloc): Leave the index type
5633 (coverage_counter_alloc): Use null arguments for operands 2 and 3
5636 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
5638 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
5639 section from the "Options for Code Generation Conventions".
5641 2006-06-21 Richard Henderson <rth@redhat.com>
5645 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5647 (global_symbolic_operand): Allow weak symbols, even if local_p.
5649 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5651 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5652 (find_interesting_uses_address): Punt if above function returns true.
5654 2006-06-21 Richard Guenther <rguenther@suse.de>
5656 * configure: Regenerated.
5658 2006-06-21 Joseph Myers <joseph@codesourcery.com>
5660 * config/mips/mips.c (function_arg): Where one part of a
5661 complex argument is in registers and the other part in the stack,
5662 return a REG not a PARALLEL.
5664 2006-06-21 Mark Mitchell <mark@codesourcery.com>
5666 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5667 when cross-compiling. Do not substitute libstdcxx_incdir.
5668 * configure: Regenerated.
5670 2006-06-21 Jakub Jelinek <jakub@redhat.com>
5672 * varasm.c (mergeable_string_section): Check for embedded NULs and
5673 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5674 rather than TREE_STRING_LENGTH bytes.
5676 2006-06-21 Richard Guenther <rguenther@suse.de>
5678 * ggc-page.c (extra_order_size_table): Add var_ann_d,
5679 tree_ssa_name, bitmap_element and phi_node with 4 arguments
5682 2006-06-21 Richrad Guenther <rguenther@suse.de>
5684 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5685 Limit iteration over the dominators.
5687 2006-06-20 Roger Sayle <roger@eyesopen.com>
5689 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5690 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5692 2006-06-20 Richard Guenther <rguenther@suse.de>
5693 Michael Matz <matz@suse.de>
5695 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5697 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5698 * et-forest.h (et_free_pools): Prototype new function.
5699 * et-forest.c (et_free_tree_force): Free parent occurrence.
5700 (et_free_pools): New function.
5701 * dominance.c (free_dominance_info): Free et-forest alloc
5704 2006-06-20 Roger Sayle <roger@eyesopen.com>
5706 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5707 integer modes, attempt to directly construct an integer constant.
5709 * fold-const.c (native_encode_vector): Determine the size of each
5710 element from the vector type instead of the first vector element.
5712 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5713 if all of its elements/components are constant.
5714 (build_constructor_from_list): Likewise.
5716 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5718 PR tree-optimization/27331
5719 * tree-data-ref.c (free_data_ref): New function.
5720 (create_data_ref): Fail if the data reference has unknown access
5722 (free_data_refs): Use free_data_ref.
5724 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5727 * tree-inline.c (setup_one_parameter): Strip useless
5728 type conversion before adding it to the IR.
5729 (declare_return_variable): Likewise.
5731 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5734 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5736 2006-06-19 Mike Stump <mrs@apple.com>
5738 * tree.c (variably_modified_type_p): VM arguments don't make the
5741 2006-06-19 Richard Guenther <rguenther@suse.de>
5743 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5744 type conversions after folding.
5746 2006-06-19 Richard Guenther <rguenther@suse.de>
5748 * ggc-page.c (extra_order_size_tab): Add entries with
5749 size of struct function and basic_block.
5750 (size_lookup): Extend to cover sizes up to 511.
5751 (ggc_alloc_stat): Adjust user.
5752 (ggc_pch_count_object): Likewise.
5753 (ggc_pch_alloc_object): Likewise.
5754 (ggc_pch_write_object): Likewise.
5756 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5758 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5759 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5762 2006-06-19 Denis Chertykov <denisc@overta.ru>
5764 * config/avr/libgcc.S : Correct my wrong previous commit.
5766 2006-06-19 Roger Sayle <roger@eyesopen.com>
5769 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5770 have stripped a SUBREG from the shift count, so we may need to
5771 convert_to_mode back to the type's mode before calling make_tree.
5772 Use new_amount instead of amount to avoid expanding a tree twice.
5774 2006-06-19 Richard Guenther <rguenther@suse.de>
5777 * fold-const.c (operand_equal_p): Check if the argument types
5778 have the same precision before stripping NOPs.
5780 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5782 Fix PR tree-optimization/27341
5783 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5785 * tree-complex.c (pass_lower_complex): Update SMT usage.
5787 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5789 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5790 Add a new alternative to the constraint strings. Add move of
5791 operand 1 to 3 to the splitter definition.
5792 ("doloop_si_long"): Second contraint alternative removed.
5794 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5796 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5797 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5799 (AVR_HAVE_MOVW) Define.
5800 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5801 (ASM_SPEC): Add avr25.
5802 (LINK_SPEC): Add avr25.
5803 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5804 (base_arch_s): Add new member 'have_movw_lpmx'.
5805 (avr_arch_types): Init 'have_movw_lpmx'.
5806 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5807 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5808 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5809 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5810 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5812 (avr_file_start): Do not output '.arh' derective.
5813 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5814 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5815 * config/avr/avr.md (mcu_enhanced): Delete.
5816 (mcu_have_movw): Define.
5817 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5818 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5819 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5820 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5821 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5822 attiny861 and at86rf401 devices.
5824 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5826 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5829 2006-06-17 Karl Berry <karl@gnu.org>
5831 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5832 doc/gccint.texi, doc/install.texi (@dircategory): Use
5833 "Software development" instead of "Programming", following
5834 the Free Software Directory.
5836 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5838 * config/i386/i386.c (legitimate_tls_address)
5839 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5840 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5841 (*tls_dynamic_gnu2_combine_64): Likewise.
5843 2006-06-16 Richard Guenther <rguenther@suse.de>
5846 * fold-const.c (negate_expr_p): Do not introduce undefined
5847 overflow in negating INTEGER_CSTs.
5848 (fold_negate_expr): Rename from negate_expr. Revert last
5849 change for folding BIT_NOT_EXPR. Change semantics to
5850 return NULL_TREE for non-simplified negations. Do not
5851 strip type conversions and unify type handling.
5852 (negate_expr): New function, wrap around fold_negate_expr
5853 but ensure building a tree always. Strip type conversions
5854 here, fold to result type.
5855 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5857 2006-06-16 Roger Sayle <roger@eyesopen.com>
5860 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5861 that (would) return their results in stack registers.
5863 2006-06-16 Michael Matz <matz@suse.de>
5864 Richard Guenther <rguenther@suse.de>
5866 * fold-const.c (fold_truthop): Only return new tree node if
5867 we canonicalized something.
5869 2006-06-16 Richard Guenther <rguenther@suse.de>
5871 * function.h (enum function_frequency): Move declaration
5872 out of struct function.
5873 (struct function): Move bool fields and the enum to the bitfield
5874 section. Reorder elements to avoid padding. Remove unused
5875 fields left over from the RTL inliner removal.
5876 * function.c (free_after_compilation): Do not zero removed fields.
5877 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5878 (ipa-type-escape.o): Likewise.
5880 2006-06-16 Richard Guenther <rguenther@suse.de>
5882 * cgraph.h (struct cgraph_local_info): Turn bool elements
5884 (struct cgraph_node): Likewise.
5885 (struct cgraph_varpool_node): Likewise.
5887 2006-06-15 Richard Guenther <rguenther@suse.de>
5889 * fold-const.c (fold_truth_not_expr): Rename from
5890 invert_truthvalue. Give it fold_* semantics to avoid
5892 (invert_truthvalue): New function. Wrapper around
5893 fold_truth_not_expr.
5894 (optimize_minmax_comparison): Avoid creating garbage.
5895 (fold_unary): Use fold_truth_not_expr for folding
5897 (fold_ternary): Replace uses of invert_truthvalue with
5898 fold_truth_not_expr where applicable.
5899 * tree.h (fold_truth_not_expr): Prototype.
5901 2006-06-16 Richard Guenther <rguenther@suse.de>
5903 PR tree-optimization/27781
5904 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5905 * ipa-pure-const.c (target.h): Include.
5906 (analyze_function): Do not analyze functions that do not
5909 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5912 * tree-dfa.c (referenced_vars_dup_list): Remove.
5913 (find_referenced_vars): Remove assert.
5914 (referenced_var_check_and_insert): Replace dup list with assert.
5915 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5916 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5918 2006-06-15 Richard Guenther <rguenther@suse.de>
5920 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5921 extra unused identifiers if not dumping.
5922 (create_variable_info_for): Likewise.
5924 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5926 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5927 (derive_constant_upper_bound): Derive more precise upper bound in
5928 common cases. Return type changed to double_int.
5929 (record_estimate): Reflect the changed return type of
5930 derive_constant_upper_bound.
5931 * double-int.c (double_int_zext, double_int_sext): Fix.
5933 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5935 * configure.ac (CFLAGS): Get them from the toplevel or from the
5936 configure invocation.
5937 * configure: Regenerate.
5938 * Makefile.in (CFLAGS): Substitute value provided by configure.
5940 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5943 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5944 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5945 rather than calling add_stmt on it.
5946 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5948 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5951 * reload1.c (reload): Remove registers returned by update_eliminables
5952 from used_spill_regs.
5954 2006-06-13 DJ Delorie <dj@redhat.com>
5956 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5958 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5960 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5961 html__strip_dir, html__mkdir_p. Enhance install-html target.
5962 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5963 * configure: Regenerate.
5965 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5967 * fold-const.c (fold_cond_expr_with_comparison): Check for
5968 Objective-C++ as language in deciding COND_EXPR transformation.
5970 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5973 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5974 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5975 * config/sh/lib1funcs.h (SL, SL1): Define.
5976 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5977 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5978 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5979 (OBJS_Os_4_200): New variable.
5980 ($(T)libgcc-Os-4-200.a): Use it.
5981 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5982 when dividing 1 and/or by 0.
5984 2006-06-13 Roger Sayle <roger@eyesopen.com>
5986 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5987 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5988 * configure: Regenerate.
5990 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5992 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5993 for real instruction.
5995 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5998 * haifa-sched.c (check_cfg): Handle special case.
6000 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
6003 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
6004 Add debug_info parameter. Chain the vars to the BLOCK instead
6005 of the BIND_EXPR if debug info are requested for them.
6006 (pop_gimplify_context): Adjust for above change.
6007 (gimple_add_tmp_var): Likewise.
6008 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
6010 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
6011 (convert_local_reference): Likewise.
6012 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
6013 (finalize_nesting_tree_1): Request that debug info be emitted
6014 for debug_var_chain.
6016 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6018 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
6019 for PR target/27863.
6021 2006-06-13 Richard Guenther <rguenther@suse.de>
6024 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
6026 2006-06-13 Richard Guenther <rguenther@suse.de>
6028 PR tree-optimization/27830
6029 * tree-inline.c (copy_body_r): For copying the operand
6030 of an ADDR_EXPR make sure to fold &* afterwards.
6032 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
6034 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
6035 lvalues in the fb_none case with side-effects.
6037 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
6039 * tree-flow.h: Remove the prototype for
6040 compute_phi_arg_on_exit.
6041 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
6042 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
6045 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
6047 * builtins.c (expand_builtin_return_addr): Only use
6048 frame_pointer_rtx when count == 0 and we are expanding
6049 __builtin_return_address.
6051 2006-06-12 Fred Fish <fnf@specifix.com>
6053 * config/mips/mips.c (mips_file_start): Create special section
6054 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
6056 2006-06-11 Eric Christopher <echristo@apple.com>
6059 * stor-layout.c (place_field): Remove check for
6060 remaining_in_alignment when aligning at the end of a run.
6062 2006-06-11 Eric Christopher <echristo@apple.com>
6065 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
6068 2006-06-11 Roger Sayle <roger@eyesopen.com>
6071 Revert incorrect fix for PR target/27158
6072 2006-05-08 Roger Sayle <roger@eyesopen.com>
6073 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6074 of a reg_equiv_constant if the result is a legitimate constant.
6076 2006-06-11 Roger Sayle <roger@eyesopen.com>
6079 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
6080 extract a CONST_VECTOR element and interpret it as an integer.
6081 (vspltis_constant): Use const_vector_elt_as_int instead of the
6082 macro CONST_VECTOR_ELT in order to handle FP vector modes.
6083 * config/rs6000/predicates.md (easy_vector_const): Consider
6084 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
6086 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
6089 * stor-layout.c (update_alignment_for_field): Don't add extra
6090 alignment for packed non-bitfield fields in ms_bitfield_layout_p
6093 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
6095 * config/mips/t-rtems: Add EL/EB multilib variants.
6097 2006-06-09 Mike Stump <mrs@apple.com>
6099 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
6101 2006-06-09 David Daney <ddaney@avtrex.com>
6103 * doc/install.texi: Add binutils version recommendation for mips-*-*.
6105 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
6107 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
6109 2006-06-09 Richard Guenther <rguenther@suse.de>
6111 PR tree-optimization/26998
6112 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
6113 of signed types, only TYPE_MIN_VALUE is special, but for both,
6114 minimum and maximum value. Likewise VR_ANTI_RANGE is special
6115 in this case, as is -fwrapv.
6117 2006-06-08 Mike Stump <mrs@apple.com>
6120 * config/darwin.c (darwin_asm_output_anchor): Disable
6121 -fsection-anchors on darwin for now.
6122 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
6123 * rs6000/rs6000.c (optimization_options): Likewise.
6125 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6128 * config/i386/i386.c (classify_argument): Skip fields with invalid
6131 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
6133 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
6134 (cse_insn): Likewise for the stack_pointer_rtx.
6136 2006-06-08 Roger Sayle <roger@eyesopen.com>
6138 * tree-ssa-dom.c (record_conditions): Only record "unordered"
6139 conditions from floating point comparisons.
6141 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
6144 * expmed.c (struct alg_hash_entry): Fix type of field T
6145 to match synth_mult argument.
6146 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
6148 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6151 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
6154 2006-06-08 Richard Guenther <rguenther@suse.de>
6157 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
6158 only, if overflow is defined and not trapping.
6159 (negate_expr): Likewise.
6161 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6163 PR tree-optimization/27872
6164 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
6165 flag on the new exit edge of the unrolled loop.
6167 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6169 PR rtl-optimization/26449
6170 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
6172 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
6175 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
6176 referenced_variables with matching DECL_UID's.
6177 (find_referenced_vars): Make sure duplicate list is empty to start.
6178 (referenced_var_p): Remove.
6179 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
6180 Check if var is in the list, and add if needed. Update the duplicate
6181 list if a different var is in the list with the same DECL_UID.
6182 (add_referenced_var): Call routine to check and insert.
6183 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
6184 * tree-flow.h (referenced_vars_dup_list): External declaration.
6186 2006-06-07 Fred Fish <fnf@specifix.com>
6188 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
6191 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
6194 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
6195 the imaginary and real parts of a clobbered register.
6196 Emit insn to set the imaginary part.
6198 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
6200 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
6201 in lieu of unwind-dw2-fde.c.
6203 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6205 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
6207 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
6210 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
6211 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
6212 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
6213 V4SImode temporaries and operations instead.
6215 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
6217 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
6220 2006-06-06 Mike Stump <mrs@apple.com>
6222 * Makefile.in: Rename to htmldir to build_htmldir to avoid
6223 installing during build.
6225 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6227 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
6229 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6230 * config/ia64/ia64.c (params.h): New header.
6231 (ia64_optimization_options): New function to adjust parameters.
6232 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
6233 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
6234 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
6236 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
6238 * stor-layout.c (debug_rli): Fix a typo in a debug message.
6240 2006-06-05 Steve Ellcey <sje@cup.hp.com>
6243 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
6245 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
6246 Victor Kaplansky <victork@il.ibm.com>
6248 PR tree-optimization/26360
6249 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
6252 2006-06-04 Roger Sayle <roger@eyesopen.com>
6253 Andrew Pinski <pinskia@physics.uc.edu>
6256 * c-common.c (c_common_truthvalue_conversion): Explicitly check
6257 for LABEL_DECL before calling DECL_WEAK.
6260 * c-typeck.c (build_binary_op): Likewise, explicitly check for
6261 LABEL_DECL and PARM_DECL.
6263 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
6267 * c-decl.c (grokdeclarator): Disallow variably modified types at
6268 file scope. Avoid marking shared array type of constant size as
6271 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6274 * c-common.c (fold_offsetof_1): Handle static members.
6276 2006-06-04 Eric Christopher <echristo@apple.com>
6278 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
6279 (debug_rli): Output value for remaining_in_alignment.
6280 (update_alignment_for_field): Unconditionalize
6281 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
6282 extra alignment code.
6283 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
6284 ms_bitfield_layout_p code. Rewrite handling of structure fields.
6285 * tree.h (record_layout_info_s): Remove prev_packed.
6286 * doc/extend.texi (ms_struct): Add documentation of format.
6288 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
6290 * tree.h: Declare folding_initializer.
6291 * builtins.c (fold_builtin_constant_p): Give definite answer
6292 if folding inside an initializer.
6293 * fold-const.c: Define folding_initializer.
6294 (START_FOLD_INIT): Save and then set folding_initializer.
6295 (END_FOLD_INIT): Restore folding_initializer.
6297 2006-06-04 Richard Guenther <rguenther@suse.de>
6299 PR tree-optimization/27039
6300 * fold-const.c (fold_comparison): Handle pointer comparison
6301 again for all comparison codes. Compare offsets in signed
6303 (fold_binary): Move code from here.
6305 2006-06-03 Roger Sayle <roger@eyesopen.com>
6308 * config/i386/i386.c (construct_container): Split static issued_error
6309 flag into issued_sse_arg_error, issued_sse_ret_error and
6310 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
6311 requires the use of x87 registers and the user explicitly
6312 specified the -mno-80387 command line option.
6314 2006-06-02 Geoffrey Keating <geoffk@apple.com>
6316 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
6317 HAVE_DECL_SIGALTSTACK.
6319 (segv_handler): Use MC_FLD.
6320 * configure.ac: Check for a sigaltstack declaration.
6321 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
6322 * configure: Regenerate.
6323 * config.in: Regenerate.
6325 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
6328 * Makefile.in (stmp-fixinc): Fix typo.
6330 2006-06-02 Roger Sayle <roger@eyesopen.com>
6332 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
6333 are type correct. Clean-up.
6334 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6335 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
6337 2006-06-01 DJ Delorie <dj@redhat.com>
6339 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
6340 shift, as we've disabled the "switch" insn that needs it.
6342 2006-06-01 Per Bothner <bothner@bothner.com>
6344 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
6345 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
6346 * c-ppoutput.c (cb_define): Don't increment line 0.
6348 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
6350 * doc/invoke.texi: Add cpu_type power6.
6351 * config.gcc: Add cpu_type power6.
6352 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
6353 to power5+ with Altivec.
6354 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
6355 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
6357 2006-05-30 Anatoly Sokolov <aesok@post.ru>
6359 * config/avr/avr.h (SET_ASM_OP): Define.
6361 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
6363 * config/bfin/bfin.c: Fix comment typos.
6365 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6368 * doc/install.texi: Document --enable-bootstrap and
6369 --disable-bootstrap.
6371 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6373 * doc/install.texi: Document that InfoZIP can replace jar.
6375 2006-05-31 Roger Sayle <roger@eyesopen.com>
6377 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
6378 isn't available, directly generate the simpler x87 patterns without
6379 the (use (const_int 0)).
6380 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
6381 implementation isn't available.
6382 (*negdf2_1): Likewise.
6383 (*negxf2_1): XF mode negation is always done using the x87.
6384 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
6386 2006-05-31 Roger Sayle <roger@eyesopen.com>
6388 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
6389 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
6391 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
6393 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6395 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
6396 * config/bfin/bfin.c (basic-block.h): Include.
6397 (struct machine_function): New.
6398 (bfin_init_machine_status): New.
6399 (override_options): Initialize init_machine_status.
6400 (bfin_hardware_loop): New.
6401 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
6402 (DEF_VEC_P (loop_info)): New.
6403 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
6404 (struct loop_info): New.
6405 (loop_info): New typedef.
6406 (struct loop_work): New.
6407 (loop_work): New typedef.
6408 (DEF_VEC_O (loop_work)): New.
6409 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
6410 (bfin_dump_loops): New.
6411 (bfin_bb_in_loop): New.
6412 (bfin_scan_loop): New.
6413 (bfin_optimize_loop): New.
6414 (bfin_reorg_loops): New.
6415 (bfin_reorg): Use bfin_reorg_loops.
6416 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
6418 (I_REGNO_P): Simplify.
6419 (DP_REGNO_P, DPREG_P): New macros.
6420 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
6421 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
6422 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6423 Add LT_REGS, LC_REGS, LB_REGS.
6424 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
6426 (REGNO_REG_CLASS): Deal with loop registers.
6427 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
6429 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
6430 New constants for loop registers.
6431 (UNSPEC_LSETUP_END): New.
6432 (seq_insns): New define_attr. Set it for appropriate insns.
6433 (movsi_insn): Add alternatives for move from/to
6434 loop count registers.
6435 (doloop_end): New define_expand.
6436 (loop_end): New define_insn.
6437 (define_split for bad doloop_end): New.
6438 (lsetup_with_autoinit): New define_insn.
6439 (lsetup_without_autoinit): New define_insn.
6440 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
6441 * config/bfin/predicates.md (lc_register_operand): New.
6442 (lt_register_operand): New.
6443 (lb_register_operand): New.
6444 (nondp_register_operand): New.
6445 (nondp_reg_or_memory_operand): New.
6446 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
6448 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6450 * config/bfin/bfin.c (bfin_delegitimize_address): New.
6451 (TARGET_DELEGITIMIZE_ADDRESS): Define.
6453 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
6455 * Makefile.in (CATALOGS): Add po/ prefix.
6456 * configure: Regenerated.
6458 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
6461 * arm.c (arm_print_operand case 'S'): Validate that the operand is
6462 a shift operand before calling shift_op. Avoid redundant call of
6465 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
6466 DJ Delorie <dj@redhat.com>
6468 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
6469 we're inserting is a singlt-bit constant.
6471 2006-05-30 Roger Sayle <roger@eyesopen.com>
6473 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
6474 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
6476 2006-05-30 Roger Sayle <roger@eyesopen.com>
6478 PR tree-optimization/23452
6479 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
6480 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
6481 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
6482 complex values and with -ffast-math for FP complex values.
6484 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
6486 * c-common.h: Remove the prototype for yyparse.
6487 * rtl.h: Remove the prototype for init_loop.
6489 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
6491 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
6494 2006-05-30 Roger Sayle <roger@eyesopen.com>
6496 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
6498 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
6499 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
6501 2006-05-30 Dirk Mueller <dmueller@suse.de>
6504 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
6505 for CONSTANT_CLASS_P expresisons.
6507 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6510 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
6512 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
6514 PR tree-optimization/27779
6515 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
6516 initial_condition instead of CHREC_LEFT.
6518 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
6520 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
6521 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
6522 Make prototypes ISO C90.
6524 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
6525 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6527 * see.c (see_analyze_one_def): Correct check.
6528 (see_get_extension_data): Check if extension is parallel.
6529 (see_get_extension_reg): Likewise.
6531 2006-05-30 Uros Bizjak <uros@kss-loka.si>
6534 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
6535 into register for (code == GTU).
6537 2006-05-29 Roger Sayle <roger@eyesopen.com>
6539 PR tree-optimization/24964
6540 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
6541 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
6542 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
6543 abs(x)*abs(x) as x*x for scalar floating point modes.
6545 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
6548 * lambda-code.c (perfect_nestify): Don't copy statements
6549 in the inner loop: move them to the inner loop header.
6551 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6554 * c-tree.texi: Document OpenMP directives and clauses.
6556 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6558 * varasm.c (globalize_decl): Fix indentation.
6560 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6563 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
6564 pass_fre, pass_store_ccp, pass_copy_prop,
6565 pass_store_copy_prop, pass_merge_phi, pass_nrv,
6566 pass_return_slot, pass_object_size, pass_lim,
6567 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
6568 pass_loop_prefetch and pass_stdarg.
6570 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
6572 * config/bfin/bfin.opt (mfdpic): New option.
6573 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
6574 (EXTRA_MULTILIB_PARTS): Likewise.
6575 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
6576 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
6578 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
6579 (CRT_CALL_STATIC_FUNCTION): New.
6580 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
6582 (CRT_CALL_STATIC_FUNCTION): New.
6583 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
6585 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
6586 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
6587 (initialize_trampoline): Changed to handle FD-PIC code generation.
6588 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
6589 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
6590 (override_options): Disallow -mid-shared-library -mfdpic combination.
6591 Can't do unaligned ops if FD-PIC.
6592 Turn off flag_pic if trying to generate non-id-shared-library
6593 non-fdpic code, since it's not supported.
6594 (bfin_assemble_integer): New function.
6595 (TARGET_ASM_INTEGER): Define.
6596 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
6598 * config/bfin/crtn.s: Restore them.
6599 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
6601 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
6602 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
6603 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
6604 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
6605 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
6607 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
6608 FDPIC_REGS and FDPIC_FPTR_REGS.
6609 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
6610 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
6611 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
6612 (load_funcdescsi): New pattern.
6613 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
6614 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
6615 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
6617 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6619 * gcse.c, rtlanal.c: Remove obsolete comments associated with
6622 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
6624 * tree-flow.h: Remove the prototype for add_type_alias.
6625 * tree-ssa-alias.c (add_type_alias): Remove.
6627 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
6629 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
6630 config/fr30/fr30.md, config/i386/i386-interix.h,
6631 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
6632 config/sh/superh64.h, config/v850/v850.c, df-core.c,
6633 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
6634 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
6635 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
6636 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
6637 Follow spelling conventions.
6638 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
6639 Follow spelling conventions.
6641 2006-05-27 Richard Guenther <rguenther@suse.de>
6644 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6645 to produce a constant of value 1 of generic type.
6647 2006-05-27 Dirk Mueller <dmueller@suse.de>
6649 * cgraphunit.c (decide_is_function_needed): Fix wrong
6652 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6654 PR rtl-optimization/27661
6655 * reload.c (find_reloads): When reloading a VOIDmode constant
6656 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6657 use Pmode as mode of the reload register.
6659 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
6661 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6662 is enabled at -O and above.
6664 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
6667 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6670 2006-05-25 Mark Mitchell <mark@codesourcery.com>
6673 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6674 for anonymous variables explicitly declared by front ends.
6676 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6678 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6679 (struct alias_info): Add new field ref_all_symbol_mem_tag.
6680 * tree-ssa-alias.c (compute_may_aliases): If the program contains
6681 ref-all pointers, run a finalization pass for them.
6682 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6683 (finalize_ref_all_pointers): New function.
6684 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6685 regular pointer type to a ref-all pointer type.
6686 (get_tmt_for): Return the special memory tag for ref-all pointers.
6688 2006-05-25 Richard Guenther <rguenther@suse.de>
6691 * fold-const.c (fold_binary): Do not look at the stripped
6692 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6694 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6696 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6697 for LT and GT if the computed range is effectively empty.
6699 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6702 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6703 mips_quad_format formats instead of ieee_single_format,
6704 ieee_double_format and ieee_quad_format formats, respectively.
6706 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6708 PR tree-optimization/27639
6709 PR tree-optimization/26719
6710 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6711 call to scev_probably_wraps_p.
6712 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6713 used_in_pointer_arithmetic_p, convert_step): Removed.
6714 (nowrap_type_p): New function.
6715 (scev_probably_wraps_p): Rewritten.
6716 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6717 chrec_convert if chrec_convert_aggressive might have been used.
6718 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6719 scev_direction): New functions.
6720 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6721 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6722 instead of convert_step.
6723 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6724 (convert_step): Declaration removed.
6725 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6727 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6729 * df-core.c: Added to header comments.
6730 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6731 df_ur_bb_info, df_urec_bb_info): Added comments.
6732 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6733 urec, ri problems): Fixed header comments.
6734 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6735 code from df_rd_transfer_function.
6737 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6739 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6740 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6741 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6743 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6745 * expr.c (undefined_operand_subword_p): New.
6746 (emit_move_multi_word): Do not generate move from undefined bits
6747 of a paradoxical subreg.
6749 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6751 PR rtl-optimization/27736
6752 * combine.c (replaced_rhs_value): New variable.
6753 (combine_instructions): Set it.
6754 (distribute_notes): When distributing a note in replaced_rhs_insn,
6755 check whether the value was used in replaced_rhs_value.
6757 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6760 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6761 add_referenced_var instead of add_referenced_tmp_var.
6762 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6763 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6765 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6766 tree_optimize_tail_calls_1): Use add_referenced_var.
6767 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6768 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6769 Use add_referenced_var.
6770 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6771 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6772 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6773 Use add_referenced_var.
6774 * tree-dfa.c (struct walk_state): Remove.
6775 (find_referenced_vars): Remove walk state and vars_found hash table.
6776 (make_rename_temp): Use add_referenced_var.
6777 (find_vars_r): Pass less parameters to add_referenced_var.
6778 (referenced_var_p): New. Is var in referenced_var hash table.
6779 (referenced_var_insert): Assert var isn't already in hash table.
6780 (add_referenced_var): Don't need walk_state parameter. Add var if it
6781 isn't already in the hash table.
6782 (add_referenced_tmp_var): Remove.
6783 (find_new_referenced_vars_1): Use add_referenced_var.
6784 * tree-ssa-pre.c (create_expression_by_pieces,
6785 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6786 Use add_referenced_var.
6787 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6788 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6789 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6791 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6792 vect_create_data_ref_ptr, vect_create_destination_var,
6793 vect_init_vector, vect_build_loop_niters,
6794 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6795 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6796 Use add_referenced_var.
6797 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6798 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6799 (add_referenced_var): Add prototype.
6800 * tree-ssa-structalias.c (get_constraint_for,
6801 intra_create_variable_infos): Use add_referenced_var.
6803 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6805 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6806 big-endian paradoxical subregs.
6807 * var-tracking.c (struct micro_operation_def): Document that,
6808 for modify micro operations, insn is the subsequent instruction.
6809 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6810 (var_reg_set, var_mem_set): ... new functions.
6811 (add_stores): Record subsequent insn.
6812 (compute_bb_dataflow): Use new functions for MO_USE.
6813 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6814 notes after the insn, and modify notes before the insn known
6815 to be the subsequent one.
6816 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6818 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6821 * config/i386/i386.c (ix86_expand_builtin): Use
6822 gen_sse3_monitor64 for TARGET_64BIT.
6824 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6826 PR rtl-optimization/26375
6827 PR rtl-optimization/26855
6828 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6830 (df_ru_bb_local_compute): Reversed statements and removed bogus
6831 comment explaining why they should be in wrong order.
6832 (df_ru_dump, df_rd_dump): Enhanced debug info.
6833 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6835 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6836 reaching uses and fixed space problem.
6838 2006-05-23 Jan Hubicka <jh@suse.cz>
6840 * cgraphunit.c (decide_is_function_needed): Also nested functions
6841 and functions declared inline can be optimized out at -O0.
6843 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6845 * doc/install.texi (Configuration): Remove reference to CrossGCC
6849 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6852 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6853 ix86_compare_emitted is non-NULL.
6855 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6858 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6861 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6863 PR rtl-optimization/25514
6864 * combine.c (replaced_rhs_insn): New variable.
6865 (combine_instructions): Set replaced_rhs_insn when trying to replace
6866 a SET_SRC with a REG_EQUAL note.
6867 (distribute_notes): Use replaced_rhs_insn when determining the live
6868 range of a REG_DEAD register.
6870 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6871 Anatoly Sokolov <aesok@post.ru>
6873 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6874 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6875 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6876 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6877 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6878 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6879 at90usb647, at90usb1286 and at90usb1287 devices.
6880 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6881 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6883 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6885 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6887 2006-05-22 Richard Guenther <rguenther@suse.de>
6890 2006-01-31 Richard Guenther <rguenther@suse.de>
6891 Paolo Bonzini <bonzini@gnu.org>
6893 * doc/install.texi (--disable-libgcc-math): Document.
6895 2006-05-22 Richard Guenther <rguenther@suse.de>
6898 2006-01-31 Richard Guenther <rguenther@suse.de>
6900 * doc/invoke.texi (-msselibm): Document.
6901 * target.h (expand_library_builtin): New target hook.
6902 * builtins.c (expand_builtin): Use expand_library_builtin.
6903 (default_expand_library_builtin): New function.
6904 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6905 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6906 (link_gcc_math_spec): Declare.
6907 (static_specs): Add link_gcc_math_spec.
6908 * expr.h (default_expand_library_builtin): Declare.
6909 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6910 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6911 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6912 * config/i386/i386.opt (msselibm): New target option.
6913 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6914 (ix86_init_sse_abi_builtins): New function.
6915 (ix86_expand_library_builtin): Likewise.
6916 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6917 (override_options): Handle error conditions wrt -msselibm.
6918 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6919 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6920 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6923 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6926 * c-common.c (self_promoting_args_p): Skip erroneous args.
6929 * c-decl.c (finish_struct): Skip erroneous fields.
6931 2006-05-22 Nick Clifton <nickc@redhat.com>
6933 * config/cris/cris.opt (march): Remove VarExists attribute.
6934 (max-stackframe=): Likewise.
6936 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6938 * doc/rtl.texi: Fix a typo.
6939 * see.c: Fix comment typos.
6941 * tree-ssa-structalias.h (alias_info): Remove num_references.
6943 2006-05-21 Mike Stump <mrs@apple.com>
6945 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6947 (darwin_pragma_options): Use BAD instead.
6948 (darwin_pragma_unused): Likewise.
6949 (darwin_pragma_ms_struct): Likewise.
6951 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6953 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6955 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6957 PR rtl-optimization/27671
6958 * simplify-rtx.c (simplify_relational_operation_1): Fix
6959 simplifications of (eq/ne (xor x y) y) and
6960 (eq/ne (xor x y) x).
6962 PR tree-optimization/26622.
6963 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6966 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6968 * tree-cfg.c: Prune whitespace.
6969 (debug_tree_cfg): Point to correct header containing the
6972 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6975 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6977 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6980 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6981 or sorry count is non zero.
6983 2006-05-20 Andreas Schwab <schwab@suse.de>
6985 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6987 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6988 Kenneth Zadeck <zadeck@naturalbridge.com>
6990 PR rtl-optimization/26855
6992 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6994 (df_scan_alloc): Added code to properly handle multiword hard
6995 registers and add all_blocks parameter.
6996 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6997 code to properly handle multiword hard registers.
6998 (df_rescan_blocks): Added code to remove deleted blocks from
7000 (df_ref_create_structure, df_ref_record): Added code to properly
7002 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
7003 and set DF_REF_PARTIAL.
7004 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
7005 (df_uses_record): Added DF_REF_PARTIAL for subreg.
7006 (df_scan_add_problem): Added flags parameter.
7007 (df_ref_create_structure): Changed switching structure.
7008 (df_bb_refs_record): Fixed case where duplicate artificial refs
7009 were created. Changed location of flags.
7010 (df_record_entry_block_defs): Added code to make stack pointer
7011 live in entry block. Refined cases where frame pointer is needed.
7012 Changed location of flags.
7013 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
7014 (df_set_state): Removed function.
7015 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
7016 df_insn_create_insn_record, df_insn_refs_delete,
7017 df_ref_create_structure): Formatting changes.
7018 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
7019 df_delete_basic_block): New function.
7020 (df_init): Changed location of flags.
7021 (df_add_problem): Added flags parameter and the way flags are
7023 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
7024 debug_df_chain): Improved debugging output.
7025 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
7026 (df_refs_chain_dump): Removed df parameter.
7027 (df_iterative_dataflow): Added consistency check.
7028 (df_prune_to_subcfg): Made public.
7029 (df_analyze_problem): Added blocks_to_init parameter and made
7031 (df_ref_record, df_bb_refs_record, df_mark_reg,
7032 df_record_exit_block_uses): Whitespace changes.
7033 (df_dump): Whitespace changes.
7034 * df.h: Some reordering to remove forward references.
7035 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
7036 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
7037 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
7038 (dataflow.flags): New field.
7039 (df.flag): Deleted field.
7040 (df_alloc_function): Added additional bitmap parameter.
7041 (df_dependent_problem_function): New type.
7042 (df_problem.changeable_flags): New field.
7043 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
7044 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
7045 (df_mw_hardreg): New struct.
7046 (DF_INSN_UID_MWS): New macro.
7047 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
7049 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
7050 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
7051 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
7052 (df_set_state): Removed function.
7053 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
7054 * df-problems.c (df_chain_dump): Removed df parameter.
7055 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
7056 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
7058 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
7059 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
7060 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
7061 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
7062 DF_REF_MUST_CLOBBER cases.
7063 (df_ru_bb_local_compute_process_def,
7064 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
7065 df_lr_bb_local_compute, df_ur_bb_local_compute,
7066 df_chain_create_bb): Made subreg aware.
7067 (df_ru_bb_local_compute, df_rd_bb_local_compute,
7068 df_lr_bb_local_compute, df_lr_bb_local_compute,
7069 df_chain_create_bb): Cleanup to use proper macros.
7070 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
7071 code to fixup bitvectors.
7072 (df_ri_alloc): Cleared lifetime.
7073 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
7074 df_create_unused_note): New function.
7075 (df_ri_bb_compute, df_ri_compute): Added code to create/update
7076 REG_DEAD and REG_UNUSED notes as well as register information.
7077 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
7078 df_chains_dump): Fixed crash if problem was never run.
7079 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
7080 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
7081 df_ri_add_problem): Processes flags in uniform manner.
7082 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
7083 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
7084 df_rd_dump, df_urec_free_bb_info): Formatting changes.
7085 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
7086 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
7087 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
7088 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
7089 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
7090 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
7091 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
7092 * see.c (see_initialize_data): Ditto.
7093 * final.c (rest_of_clean_state) Added regstack_completed.
7094 * rtl.h (regstack_completed): Ditto.
7095 * reg-stack.c (regstack_completed): Ditto.
7097 2006-05-19 Mike Stump <mrs@apple.com>
7099 * c-tree.h (default_conversion): Remove.
7100 * c-common.h (default_conversion): Add.
7102 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
7104 * tree-vrp.c (valid_value_p): New function.
7105 (adjust_range_with_scev): Fail if the value of bound is not
7108 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7110 * config/mips/linux-unwind.h: Include <asm/unistd.h>
7111 (mips_fallback_frame_state): Use syscall numbers to determine
7112 the appropriate li instruction for the current ABI. Only use
7113 __NR_sigreturn for o32.
7115 2006-05-19 Nicolas Setton <setton@adacore.com>
7117 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
7118 * langhooks.c (lhd_dwarf_name): New function.
7119 * langhooks-def.h (lhd_dwarf_name): Declare.
7120 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
7121 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
7122 * ada/misc.c (gnat_dwarf_name): New function.
7123 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
7125 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7127 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
7129 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
7130 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7131 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
7132 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
7133 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
7134 determine the size of Wtype, etc.
7135 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
7136 (swfloatfuncs): New variable.
7137 (dwfloatfuncs): Likewise.
7138 (lib2funcs): Remove floating-point conversion functions from
7139 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
7140 the set of conversion routines needed. Allow entries to specify
7141 an object name, filename and word size. Update users accordingly.
7142 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
7143 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
7147 2006-02-08 Roger Sayle <roger@eyesopen.com>
7150 * config/fixtfdi.c: New libgcc source file.
7151 * config/fixunstfdi.c: New source file.
7152 * config/floatditf.c: New source file.
7153 * config/floatunditf.c: New souce file.
7154 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7155 files above instead of config/mips/_tilib.c.
7156 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7158 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7160 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
7161 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
7163 2006-05-18 Mike Stump <mrs@apple.com>
7165 Fix up vla, vm and [*] sematics.
7171 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
7172 (c_vla_unspec_p): Add.
7173 (c_vla_type_p): Add.
7174 * c-decl.c (struct c_scope): Add had_vla_unspec.
7175 (build_array_declarator): Add support for [*].
7176 (grokdeclarator): Likewise.
7177 (grokparms): Likewise.
7178 (get_parm_info): Likewise.
7179 * c-objc-common.c (c_vla_unspec_p): Likewise.
7180 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
7181 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
7182 typeof when argument is a variably modified type not inside sizeof or alignof.
7183 (c_parser_direct_declarator_inner): Propagate errors.
7184 (c_parser_sizeof_expression): Add support for [*].
7185 (c_parser_parms_declarator): Initialize had_vla_unspec.
7186 (c_parser_parms_list_declarator): Likewise.
7187 * c-typeck.c (c_vla_type_p): Add.
7188 (composite_type): Add support for vla compositing.
7189 (comptypes_internal): Add support for vla compatibility.
7190 (c_expr_sizeof_expr): Evaluate vla arguments.
7191 * tree.c (variably_modified_type_p): Update comment for [*].
7193 2006-05-18 Michael Matz <matz@suse.de>
7196 * config.host: Make assignments to host_xmake_file cumulative.
7197 * config.host (*-darwin*): Test $host, not $target.
7199 2006-05-12 Stuart Hastings <stuart@apple.com>
7201 * config/i386/i386.opt (-mstackrealign): New flag.
7202 * config/i386/i386.c (force_align_arg_pointer): New attribute.
7203 (ix86_handle_cconv_attribute): Emit error when
7204 force_align_arg_pointer attribute collides with too many regparms.
7205 (ix86_function_regparm): Limit regparms when used with
7206 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
7207 Support stack-realigning prologue in non-main functions. Emit
7208 warning for nested functions under -mstackrealign, emit error for
7209 nested functions with force_align_arg_pointer attribute.
7210 * doc/extend.texi (force_align_arg_pointer): Document it.
7211 * doc/invoke.texi (-mstackrealign): Document it.
7213 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
7215 PR rtl-optimization/27477
7216 * combine.c (try_combine): Don't split a parallel consisting
7217 of two sets into two individual sets if both sets reference
7220 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
7222 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
7223 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
7225 * doc/options.texi (VarExists): Updated.
7227 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7229 * unwind-dw2.c: Add declarations for uw_update_context and
7231 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
7232 detected, advance frame state and context once to skip over stub.
7234 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7238 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
7239 Call rewrite_into_loop_closed_ssa only when something changed.
7240 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
7241 * lambda-code.c (can_convert_to_perfect_nest): Declared.
7242 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
7243 Test for perfect_nest_p here. Fix formating.
7244 (replace_uses_equiv_to_x_with_y): Fix formating.
7245 (stmt_uses_op): Removed.
7246 (can_convert_to_perfect_nest): Removed loopivs parameter.
7247 Complete the test by checking the scalar dependences.
7248 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
7251 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7254 From Dan Kegel <dank@kegel.com>:
7255 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
7257 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
7259 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
7260 if the element type is variably modified without recursing.
7262 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7265 * tree-loop-linear.c (try_interchange_loops): Test for
7266 no data dependences.
7268 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
7270 PR tree-optimization/27548
7271 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
7272 range of ssa names that appear on abnormal edges.
7273 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
7274 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
7276 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7279 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
7281 2006-05-17 Jakub Jelinek <jakub@redhat.com>
7284 * tree.h (OMP_PARALLEL_COMBINED): Define.
7285 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
7286 (new_omp_context): Add is_combined_parallel argument.
7287 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
7288 new_omp_context caller.
7289 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
7290 Adjust gimplify_scan_omp_clauses callers.
7291 (omp_is_private): Issue errors if iteration variable is firstprivate
7292 or reduction in the current context.
7293 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
7294 on combined parallel workshare constructs.
7296 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7298 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
7299 (gcc-options.o): New rule.
7301 * optc-gen.awk: Protect variables for gcc-options.o with
7302 #ifdef GCC_DRIVER/#endif.
7304 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
7306 Fix PR tree-optimization/27373
7307 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
7308 (forward_propagate_addr_expr): Update call.
7310 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7312 * doc/options.texi: Move the Negative option.
7314 2006-05-16 Richard Guenther <rguenther@suse.de>
7316 PR tree-optimization/22303
7317 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
7319 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
7320 ccp_fold did not simplify the statement.
7322 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7325 * Makefile.in (GCC_OBJS): New.
7326 (OBJS-common): Add opts-common.o.
7327 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7328 (cpp$(exeext)): Likewise.
7329 (gcc.o): Also depend on opts.h.
7330 (opts-common.o): New.
7332 * common.opt (gcoff): Add Negative(gdwarf-2).
7333 (gdwarf-2): Add Negative(gstabs).
7334 (gstabs): Add Negative(gstabs+).
7335 (gstabs+): Add Negative(gvms).
7336 (gvms): Add Negative(gxcoff).
7337 (gxcoff): Add Negative(gxcoff+).
7338 (gxcoff+): Add Negative(gcoff).
7339 * config/i386/i386.opt (m32): Add Negative(m64).
7340 (m64): Add Negative(m32).
7342 * doc/options.texi: Document the Negative option.
7344 * gcc.c: Include "opts.h".
7345 (main): Call prune_options after expandargv.
7347 * optc-gen.awk: Generate common declarations for all flag
7348 variables in options.c. Output the neg_index field.
7350 * opts.c (find_opt): Moved to ...
7351 * opts-common.c: Here. New file.
7353 * opts.h (cl_option): Add a neg_index field.
7355 (prune_options): Likewise.
7357 2006-05-16 Jakub Jelinek <jakub@redhat.com>
7360 * omp-low.c (expand_omp_parallel): Don't assert
7361 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
7362 instead search for it.
7365 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
7368 2006-05-16 Andreas Schwab <schwab@suse.de>
7370 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
7373 2006-05-15 Roger Sayle <roger@eyesopen.com>
7376 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
7377 integer constants other than zero are only legitimate on TARGET_64BIT.
7378 <CONST_VECTOR> Only zero vectors are legitimate.
7379 (ix86_cannot_force_const_mem): Integral and vector constants can
7380 always be put in the constant pool.
7382 2006-05-16 DJ Delorie <dj@redhat.com>
7384 * crtstuff.c (__dso_handle): Set section from
7385 TARGET_LBIGCC_SDATA_SECTION if defined.
7386 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
7387 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
7389 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
7392 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
7395 2006-05-16 Ben Elliston <bje@au.ibm.com>
7397 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
7399 2006-05-15 Per Bothner <per@bothner.com>
7401 * tree.c: (last_annotated_node): Use source_locus typedef.
7402 This permits bootstrapping with --enable-mapped-location.
7404 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
7406 PR tree-optimization/26830
7407 * tree-into-ssa.c (struct ssa_name_info): Add age field.
7408 (info_for_ssa_name, current_info_for_ssa_name_age,
7409 blocks_to_update): New variables.
7410 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
7411 (clear_ssa_name_info, initialize_flags_in_bb,
7412 mark_block_for_update): New functions.
7413 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
7414 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
7415 prepare_def_site_for): Use mark_block_for_update.
7416 (mark_def_interesting): Assert that the processed block is marked in
7417 blocks_to_update. Do not take blocks argument.
7418 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
7420 (rewrite_update_init_block, rewrite_update_stmt): Only process
7421 blocks with statements to rewrite.
7422 (delete_update_ssa): Do not clear SSA_NAME_AUX.
7423 (update_ssa): Initialize and free blocks_to_update. Do not
7424 clear flags on statements. Do not use blocks bitmap.
7425 * tree.h (SSA_NAME_AUX): Removed.
7426 (struct tree_ssa_name): Removed aux field.
7427 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
7429 2006-05-15 Richard Guenther <rguenther@suse.de>
7431 PR tree-optimization/27603
7432 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
7433 Do computations in original type.
7435 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
7437 * see.c: Code style changes such as redundant paranthesis,
7438 redundant intialization of local variables etc.
7439 (see_main): Declared now as static.
7440 * doc/invoke.texi: Update that -fsee is not enabled by
7443 2006-05-15 Jakub Jelinek <jakub@redhat.com>
7445 * omp-low.c (check_omp_nesting_restrictions): New function.
7446 (scan_omp_1): Call it.
7449 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
7450 construct, return *VAR.
7452 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
7454 PR rtl-optimization/27406
7455 * bt-load.c (migrate_btr_def): Skip the block having abnormal
7458 2006-05-14 Roger Sayle <roger@eyesopen.com>
7460 PR rtl-optimization/27538
7461 * combine.c (expand_compound_operation): Call gen_lowpart
7462 before calling simplify_shift_const.
7464 2006-05-14 Roger Sayle <roger@eyesopen.com>
7466 PR rtl-optimization/22563
7467 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
7468 a fixed width bitfield, always force the intermediates into psuedos.
7470 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
7473 * mkconfig.sh: Use operator = instead of == for test.
7475 2006-05-13 Nick Clifton <nickc@redhat.com>
7477 * dwarf2out.c (dbx_reg_number): Check return value from
7478 LEAF_REG_REMAP and only use it if it is valid.
7479 (multiple_reg_loc_descriptor): Likewise.
7481 2006-05-13 Richard Guenther <rguenther@suse.de>
7483 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
7486 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
7488 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
7489 information attached to non-INSNs such as NOTEs.
7490 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
7492 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
7494 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
7496 * config/s390/s390.md: Adjust comment describing On constraint.
7498 2006-05-11 Jan Hubicka <jh@suse.cz>
7500 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
7501 to be output at -O0.
7503 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7506 * fold-const.c (size_binop): Move sanity check for arguments to
7507 the beginning of the function.
7510 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
7513 2006-05-11 Richard Guenther <rguenther@suse.de>
7516 * fold-const.c (fold_unary): Handle intermediate conversion
7517 to a pointer type like intermediate conversion to an integer
7518 type in folding of (T1)(T2)var to var.
7519 Match the code to the comment in the final conversion for
7520 (T1)(T2)var to (T1)var regarding to type precision. Rather
7521 than disallow T1 being of pointer type, assert that both T1
7522 and var are of pointer type or not. Make sure not to fall
7523 over the frontends lazyness wrt array to pointer decay though.
7525 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
7527 * arm.c (arm_struct_value_rtx): Delete.
7528 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
7529 (arm_init_cumulative_args): Always initialize nregs to zero.
7531 2006-05-10 Richard Guenther <rguenther@suse.de>
7533 PR tree-optimization/27532
7534 * tree-object-size.c (plus_expr_object_size): Fix typo.
7536 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
7539 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
7540 ashrdi_const, ashrdi3): Use a scratch register.
7542 2006-05-10 Richard Guenther <rguenther@suse.de>
7544 PR tree-optimization/27302
7545 * fold-const.c (operand_equal_p): For two comparisons,
7546 try comparison of one comparison code swapped if that yields
7549 2006-05-10 Ben Elliston <bje@au.ibm.com>
7551 * tree-pretty-print.c (pretty_print_string): No need to handle
7552 '\0' as a special character.
7554 * tree.h: Include "hashtab.h".
7555 (iterative_hash_expr): Use hashval_t in its prototype.
7556 * Makefile.in (TREE_H): Add $(HASHTAB_H).
7558 2006-05-09 Steve Ellcey <sje@cup.hp.com>
7561 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
7562 (hppa*64*-*-hpux11*): Ditto.
7563 (hppa[12]*-*-hpux11*): Ditto.
7565 2006-05-09 David Edelsohn <edelsohn@gnu.org>
7568 * config/rs6000/aix41.h (TARGET_64BIT): Define.
7570 2006-05-09 Michael Matz <matz@suse.de>
7572 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
7573 host_extra_gcc_objs and host_xmake_file.
7574 (<*-*-linux*>): Don't overwrite host_xmake_file.
7575 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
7576 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
7577 (host_detect_local_cpu): Declare.
7578 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
7579 * config/i386/i386.c (override_options): Handle -mtune=native
7581 * config/i386/x-i386: New file.
7582 * config/i386/driver-i386.c: New file.
7583 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
7586 2006-05-09 Dirk Mueller <dmueller@suse.de>
7587 Richard Guenther <rguenther@suse.de>
7590 * fold-const.c (fold_read_from_constant_string): Relax check
7591 for matching types to matching modes.
7593 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
7595 PR rtl-optimization/27335
7596 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
7599 2006-05-08 Chao-ying Fu <fu@mips.com>
7600 Richard Sandiford <richard@codesourcery.com>
7602 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
7603 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
7604 * config/mips/mips.md (UNSPEC_SCC): New constant.
7605 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
7606 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
7607 (mips_emit_compare): Use it.
7608 (mips_expand_vcondv2sf): New function.
7610 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
7612 Fix PR tree-optimization/27093
7613 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
7614 renaming when they become not-used_alone.
7616 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7618 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
7619 relocation and relocation stubs.
7621 2006-05-08 Eric Christopher <echristo@apple.com>
7623 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
7626 2006-05-08 Jan Hubicka <jh@suse.cz>
7629 * cgraphunit.c (decide_is_function_needed): When not optimizing even
7630 unused static functions are needed.
7632 2006-05-08 Roger Sayle <roger@eyesopen.com>
7635 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7636 of a reg_equiv_constant if the result is a legitimate constant.
7638 2006-05-08 Uros Bizjak <uros@kss-loka.si>
7641 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7642 standard 80387 constants, raise the cost to prevent
7643 compress_float_constant() to generate load from memory.
7645 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7647 * config/arm/constraints.md (c): Fix a typo.
7649 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7652 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7655 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7657 (_mm_mwait): Likewise.
7659 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7661 (sse3_monitor): Make it 32bit only.
7662 (sse3_monitor64): New. 64bit monitor.
7664 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7667 * config/i386/i386.c (classify_argument): Skip fields with invalid
7670 2006-05-07 Richard Guenther <rguenther@suse.de>
7672 PR tree-optimization/27409
7673 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7674 Do not try to find zero-sized subvars.
7676 2006-05-07 Richard Guenther <rguenther@suse.de>
7678 PR tree-optimization/27136
7679 * tree-ssa-loop-niter.c (get_val_for): Correct function
7680 comment, assert requirements.
7681 (loop_niter_by_eval): Stop processing if the iterated
7682 value did not simplify.
7684 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
7686 * opts.c (flag_see): remove its setting at -O3.
7688 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
7690 * genpeep.c (main): Make insn-peep.c depend on flags.h.
7691 * arm/constraints.md: New file.
7692 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7693 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7694 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7695 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7696 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7697 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7698 * arm.md: Include constraints.md.
7699 (thumb_movsi_insn): Use satisfies_constraint_J.
7700 (movhi, movqi): Use satisfies_constraint_I.
7702 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7704 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7705 for atmeg a645 device.
7707 2006-05-06 Richard Guenther <rguenther@suse.de>
7709 PR tree-optimization/27151
7710 * tree-vect-transform.c (vectorizable_condition): Punt on
7711 values that have a different type than the condition.
7713 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7716 * c-parser.c (c_parser_cast_expression): Only insert casts into
7717 hash table if pointer.
7718 * function.c (used_types_insert_helper): Rename from
7720 (used_types_insert): Call used_types_insert_helper.
7721 * function.h (used_types_insert): Accept only one argument.
7723 2006-05-05 David Edelsohn <edesohn@gnu.org>
7725 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7726 scratch with output modifier.
7728 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7731 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7732 with output modifier.
7734 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7737 * config/mips/mips.c (mips_symbolic_address_p): Return true
7738 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7739 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7741 2006-05-04 Richard Guenther <rguenther@suse.de>
7743 PR tree-optimization/14287
7744 PR tree-optimization/14844
7745 PR tree-optimization/19792
7746 PR tree-optimization/21608
7747 PR tree-optimization/27090
7748 * tree-ssa-pre.c (try_combine_conversion): New function.
7749 (compute_avail): After constructing the value-handle
7750 expression, use try_combine_conversion to combine NOP_EXPRs
7751 with previous value-handle expressions and use the result if it
7754 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7756 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7758 2006-05-04 Jan Hubicka <jh@suse.cz>
7761 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7763 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7765 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7766 that this only matches CONST_INTs. All users changed to VOIDmode
7769 * config/bfin/bfin.c: Include "optabs.h".
7770 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7772 (enum bfin_builtins): Add a number of fractional and vector builtins.
7773 (bfin_init_builtins): Likewise.
7774 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7775 (safe_vector_operand, bfin_expand_binop_builtin,
7776 bfin_expand_unop_builtin): New functions.
7777 (bfin_expand_builtin): Handle the new builtins.
7778 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7781 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7784 * Makefile.in (OBJS-common): Add see.o.
7785 (see.o): Add dependencies.
7786 * common.opt (fsee): New flag for the see optimization was added.
7787 * opts.c (flag_see): Initialized.
7788 * passes.c (init_optimization_passes, pass_see): New pass.
7789 * rtl.h (see_main): Declaration as extern.
7790 * timevar.def (TV_SEE): New.
7791 * tree-pass.h (pass_see): Declaration as extern.
7792 * invoke.texi (-fsee): Document.
7793 * recog.c (validate_simplify_insn): New function.
7794 * recog.h (validate_simplify_insn): Declaration as extern.
7795 * df-problems.c (df_chain_dump): Check for NULL.
7797 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7798 Daniel Berlin <dberlin@dberlin.org>
7800 * cfgrtl.c (insert_insn_bb_end_new): New function.
7801 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7803 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7805 * df.h (struct web_entry): Moved from web.c.
7806 (union_defs): Declaration as extern.
7807 (unionfind_root): Likewise.
7808 (unionfind_union): Likewise.
7809 * web.c (struct web_entry): Moved to df.h.
7810 (unionfind_root): Remove static declaration.
7811 (unionfind_union): Likewise.
7812 (union_defs): Likewise and generalize to use callback function.
7813 (web_main): Update arguments for union_defs function call.
7815 2006-05-04 Richard Guenther <rguenther@suse.de>
7817 PR tree-optimization/26447
7818 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7819 produce SSA_NAME copies before the store stmt to avoid
7820 breaking exception handling.
7822 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7825 * gimplify.c (omp_is_private): If var is shared in some outer context,
7826 return false instead of true. Stop searching on parallel context
7829 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7832 * coverage.c: Use get_gcov_unsigned_t() instead of
7833 unsigned_type_node all over.
7835 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7837 PR tree-optimization/27381
7838 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7839 maintain the same immediate_use links.
7840 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7841 node rather than segfaulting.
7843 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7846 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7847 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7848 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7850 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7852 Fix PR tree-optimization/26626
7853 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7855 * tree-ssa-operands.c (access_can_touch_variable): Allow
7856 typecasting through union pointers.
7858 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7861 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7862 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7863 to find if var will be a global variable even in the nested context.
7864 (omp_copy_decl): Only check for global variable at the end, it might
7865 be overridden in outer contexts.
7866 (scan_sharing_clauses): For global variables don't create a field.
7867 (lower_rec_input_clauses): Do nothing for global shared variables.
7868 Emit a barrier at the end of ILIST if there were any decls in both
7869 firstprivate and lastprivate clauses.
7870 (lower_send_clauses): Do nothing for global variables except for
7873 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7875 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7876 of the correct signedness is returned.
7878 2006-05-02 Jeff Law <law@redhat.com>
7880 PR tree-optimization/27364
7881 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7882 multiply expressions.
7884 2006-05-02 Tom Tromey <tromey@redhat.com>
7886 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7888 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7891 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7892 -mthumb -fPIC are used.
7894 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7895 Joshua Kinard <kumba@gentoo.org>
7898 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7899 with 64-bit pointers.
7901 2006-05-02 Paul Brook <paul@codesourcery.com>
7903 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7905 (create_fix_barrier): Check that a suitable barrier location is
7907 (arm_reorg): Include ftmp->address in allowable range of addresses.
7909 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7912 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7915 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7918 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7919 around RESULT_DECL for result passed by reference.
7920 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7921 * omp-low.c (use_pointer_for_field): Don't look at
7922 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7923 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7924 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7925 time or var for passing by reference for
7926 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7927 TREE_ADDRESSABLE variables when passing by reference.
7929 * omp-low.c (dump_omp_region): Fix output formatting.
7932 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7933 (expand_omp_parallel): Likewise.
7934 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7937 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7938 on statement list containing also constructors and destructors.
7939 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7942 * except.c (duplicate_eh_regions): Fix clearing of
7943 cfun->eh->region_array entries.
7945 2006-05-01 DJ Delorie <dj@redhat.com>
7947 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7949 (gcc_cv_objdump): Likewise.
7950 * configure: Regenerated.
7952 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7955 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7956 templates for case 3 and 4.
7958 2006-05-01 DJ Delorie <dj@redhat.com>
7960 * vec.c: Include bconfig.h when appropriate.
7961 * Makefile.in (build/vec.o): Adjust dependencies.
7962 * mkconfig.sh: Make sure config.h isn't used for build machine
7965 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7967 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7969 (mark_phi_for_rewrite): New function.
7970 (insert_phi_nodes_for, mark_use_interesting): Call
7971 mark_phi_for_rewrite.
7972 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7973 (update_ssa): Initialize and free phis_to_rewrite.
7975 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7977 PR rtl-optimization/27291
7978 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7979 folded to a constant.
7981 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7983 PR tree-optimization/27283
7984 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7985 not whole # of iteration descriptions.
7986 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7987 uses abnormal ssa name.
7988 (niter_for_single_dom_exit): Ditto.
7989 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7990 return just the number of iterations.
7992 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7994 PR tree-optimization/27144
7995 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7996 (record_estimate): Only record constant upper bound.
7997 (infer_loop_bounds_from_undefined): Call
7998 compute_estimated_nb_iterations just once.
7999 (proved_non_wrapping_p): Renamed to ...
8000 (n_of_executions_at_most): ... this. Expect bound to be a constant.
8001 (convert_step_widening, scev_probably_wraps_p): Call
8002 n_of_executions_at_most instead of proved_non_wrapping_p.
8003 (substitute_in_loop_info): Do not replace values in bounds.
8004 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
8007 2006-05-01 Richard Henderson <rth@redhat.com>
8010 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
8011 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
8014 2006-05-01 Roger Sayle <roger@eyesopen.com>
8016 * c-typeck.c (parser_build_binary_op): Don't call the function
8017 unsigned_conversion_warning to spot operand/result type overflow.
8018 (build_binary_op): Instead, call convert_and_check instead of
8019 convert to report the problem when the operands are promoted.
8020 * c-common.c (unsigned_conversion_warning): Make static.
8021 * c-common.h (unsigned_conversion_warning): Delete prototype.
8023 2006-05-01 Richard Guenther <rguenther@suse.de>
8025 PR tree-optimization/26726
8026 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
8028 (find_interesting_uses_address): ... we work around here
8029 by folding INDIRECT_REFs in the substituted base.
8031 2006-05-01 Diego Novillo <dnovillo@redhat.com>
8033 * omp-low.c (dump_omp_region): Add newlines.
8035 2006-04-30 Roger Sayle <roger@eyesopen.com>
8037 * common.opt (Woverflow): New command line option.
8038 * c-common.c (constant_expression_warning): Check warn_overflow.
8039 (overflow_waring): Pass OPT_Woverflow to warning.
8040 (unsigned_conversion_warning): Likewise.
8041 (convert_and_check): Likewise.
8042 * doc/invoke.texi: Document new command line option.
8044 2006-04-30 David Edelsohn <edelsohn@gnu.org>
8046 * config/rs6000/rs6000.c (rs6000_override_options): Enable
8047 TARGET_NO_FP_IN_TOC for section anchors.
8048 (optimization_options): Enable section anchors for all
8049 non-"Objective" languages.
8051 2006-04-28 Eric Christopher <echristo@apple.com>
8053 * config/darwin-c.c (darwin_ms_struct): Move this
8054 (darwin_set_default_type_attributes): and this...
8055 * config/darwin.c: ... here.
8056 * config/darwin.h (darwin_ms_struct): Declare.
8058 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
8060 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
8062 2006-04-28 Roger Sayle <roger@eyesopen.com>
8065 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
8066 (push_array_bounds): Delete prototype. Change BOUNDS argument to
8067 an unsigned HOST_WIDE_INT.
8068 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
8070 (really_start_incremental_init): No need to call convert because
8071 bitsize_zero_node is already of type bitsizetype.
8072 (push_init_level): Extract the value of constructor_index as an
8073 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
8074 (process_init_element): Likewise.
8076 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
8078 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
8079 value before passing to make_relative_prefix.
8081 2006-04-28 Alan Modra <amodra@bigpond.net.au>
8084 * builtins.c (expand_builtin_memset): Expand val in original mode.
8086 2006-04-27 Eric Christopher <echristo@apple.com>
8088 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
8089 with #ifndef/#endif.
8090 * config/darwin-c.c (darwin_ms_struct): New.
8091 (darwin_pragma_ms_struct): Ditto.
8092 (darwin_set_default_type_attributes): Ditto.
8093 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
8094 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
8095 Register ms_struct pragma.
8096 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
8097 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
8098 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
8099 darwin_set_default_type_attributes if TARGET_MACHO.
8101 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
8103 PR tree-optimization/26854
8104 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
8105 * doc/tree-ssa.texi: Update immuse iterator documentation.
8106 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
8107 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
8108 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
8109 first_safe_imm_use, next_safe_imm_use): Remove.
8110 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
8111 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
8112 (move_use_after_head): New. Helper function to sort immuses in a stmt.
8113 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
8114 (first_imm_use_stmt): New. Get first stmt in an immuse list.
8115 (next_imm_use_stmt): New. Get next stmt in an immuse list.
8116 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
8117 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
8118 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
8119 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
8120 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
8121 (perfect_nestify): Use new iterator.
8122 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
8124 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
8125 (next_imm_name): New field in struct immediate_use_iterator_d.
8126 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
8127 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
8128 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
8129 * tree-cfg.c (replace_uses_by): Use new iterator.
8130 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
8131 * tree-ssa-operands.c (correct_use_link): Remove.
8132 (finalize_ssa_use_ops): No longer call correct_use_link.
8134 2006-04-27 Stuart Hastings <stuart@apple.com>
8136 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
8137 * config/t-darwin (crt3.o): Use it.
8138 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
8139 'pmode', use Pmode instead of SImode for SYMBOL_REF.
8140 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
8141 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
8142 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
8145 2006-04-27 Roger Sayle <roger@eyesopen.com>
8147 * expmed.c (store_fixed_bit_field): If we're not optimizing for
8148 size, force the intermediate into a new pseudo rather instead of
8149 performing both a bitwise AND and a bitwise IOR in memory.
8151 2006-04-27 Richard Guenther <rguenther@suse.de>
8153 PR rtl-optimization/26685
8154 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
8155 this one "max-flow-memory-locations".
8157 2006-04-27 Richard Guenther <rguenther@suse.de>
8159 PR tree-optimization/25148
8160 * tree-vrp.c (compare_values): Remove code dealing with
8161 comparisons against type min/max value. Honour overflow
8162 and negative constants in code dealing with comparisons
8163 of plus and minus expressions.
8164 (value_inside_range): Use fold_binary with LE_EXPR and
8165 GE_EXPR rather than compare_values.
8167 2006-04-27 Dirk Mueller <dmueller@suse.de>
8169 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
8172 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
8174 * basic-block.h (safe_insert_insn_on_edge): Removed.
8175 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
8177 2006-04-26 David Edelsohn <edelsohn@gnu.org>
8178 Paolo Bonzini <bonzini@gnu.org>
8181 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
8182 (simplify_and_const_int): Same.
8184 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
8186 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
8188 2006-04-26 Jakub Jelinek <jakub@redhat.com>
8191 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
8192 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
8193 cgraph_global_info_ready.
8196 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
8199 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
8200 either decl or init is error_mark_node.
8203 * tree-flow.h (struct omp_region): Add sched_kind.
8204 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
8205 instead of extracting omp for data.
8206 (expand_omp_for): Save extracted sched_kind.
8208 2006-04-25 Roger Sayle <roger@eyesopen.com>
8210 * expmed.c (store_bit_field): Also check whether the bitsize is
8211 valid for the machine's "insv" instruction before moving the
8212 target into a pseudo for use with the insv.
8213 * config/i386/predicates.md (const8_operand): New predicate.
8214 * config/i386/i386.md (extv, extzv, insv): Use the new
8215 const8_operand predicate where appropriate.
8217 2006-04-25 DJ Delorie <dj@redhat.com>
8219 * doc/install.texi (Specific): Clarify that this is not a list of
8220 supported hosts or targets.
8222 2006-04-25 Richard Sandiford <richard@codesourcery.com>
8224 PR rtl-optimization/26725
8225 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
8226 block's BB_DIRTY flag.
8228 2006-04-25 Geoffrey Keating <geoffk@apple.com>
8230 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
8233 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
8234 to print an integer.
8236 2006-04-25 David Edelsohn <edelsohn@gnu.org>
8238 * varasm.c (align_variable): New function.
8239 (get_block_for_decl): Apply align_variable to DECL before
8240 calculating section information.
8241 (assemble_variable): Split out alignment computation.
8243 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
8245 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
8248 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
8250 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
8251 MODE_PARTIAL_INT mode.
8252 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
8253 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
8255 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
8256 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
8258 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
8260 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
8262 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
8263 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
8264 MACFLAG_IH): Likewise.
8265 (movstricthi_1): Renamed from "*movstricthi".
8266 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
8267 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
8268 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
8269 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
8270 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
8271 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
8272 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
8273 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
8274 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
8275 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
8276 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
8277 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
8278 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
8279 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
8280 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
8282 * doc/rtl.texi (ss_ashift): Improve wording.
8284 2006-04-24 Geoffrey Keating <geoffk@apple.com>
8286 * dwarf2out.c (verify_marks_clear): New.
8287 (prune_unused_types): Call verify_marks_clear initially, not
8290 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
8292 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
8293 * doc/rtl.texi: Document them.
8294 * simplify-rtx.c (simplify_unary_operation,
8295 simplify_binary_operation_1): Don't abort when we see them.
8297 2006-04-24 Mark Mitchell <mark@codesourcery.com>
8300 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8301 * configure.ac: Completely disregard languages that are not
8303 * configure: Regenerated.
8305 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8306 Richard Guenther <rguenther@suse.de>
8308 PR tree-optimization/27236
8309 * tree-inline.c (copy_body_r): Make sure to copy
8310 TREE_THIS_VOLATILE flag.
8312 2006-04-24 Richard Guenther <rguenther@suse.de>
8315 * tree-complex.c (update_parameter_components): Don't handle
8316 unused parameters which have no default def.
8318 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8319 Richard Guenther <rguenther@suse.de>
8321 PR tree-optimization/27218
8322 * tree-inline.c (expand_call_inline): Strip useless type
8323 conversions for the return slot address.
8325 2006-04-24 Richard Guenther <rguenther@suse.de>
8327 * cfgloop.h (struct loops): Remove unused field array. Reorder
8329 (LOOP_PREFETCH): Remove.
8331 2006-04-24 Richard Guenther <rguenther@suse.de>
8333 PR tree-optimization/22525
8334 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
8335 variable, adjust types of generated expressions.
8337 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
8339 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
8340 (tree-vect-patterns.o): Likewise.
8342 (cselib.o): Likewise.
8343 (loop-doloop.o): Likewise.
8344 (regclass.o): Likewise.
8345 (reload1.o): Likewise.
8346 (explow.o): Replace target.h with $(TARGET_H).
8347 (ipa-prop.o): Likewise.
8348 (ipa-cp.o): Likewise.
8349 (ipa-inline.o): Likewise.
8350 (reorg.o): Likewise.
8351 (reg-stack.o): Likewise.
8353 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8355 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
8357 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8359 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
8361 * configure.ac: Completely disregard languages that are not
8363 * configure: Regenerated.
8366 * c-common.h (c_build_bitfield_integer_type): Declare.
8367 * c-decl.c (c_build_bitfield_integer_type): Move to ...
8368 * c-common.c (c_build_bitfield_integer_type): ... here.
8370 2006-04-23 Roger Sayle <roger@eyesopen.com>
8373 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
8374 a SImode SUBREG of a floating point register after no_new_pseudos.
8376 2006-04-23 Roger Sayle <roger@eyesopen.com>
8378 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
8379 identify potentially eliminable registers to additionally catch
8380 VIRTUAL_INCOMING_ARGS_REGNUM.
8381 (addsi3): Update the conditions on when to use addsi_small_int.
8383 2006-04-23 Roger Sayle <roger@eyesopen.com>
8386 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
8387 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
8388 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
8390 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8392 * fold-const.c (range_predecessor): Use operand_equal_p
8393 as the predicate for equality.
8394 (range_successor): Likewise.
8396 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8399 * config/soft-fp/op-common.h: Fix a typo.
8401 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
8404 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
8405 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
8407 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8409 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
8411 * doc/tm.texi: Fix a typo.
8413 2006-04-21 Geoffrey Keating <geoffk@apple.com>
8415 * dwarf2out.c (struct die_struct): Document that die_sib makes
8416 a circular linked list.
8417 (FOR_EACH_CHILD): New.
8418 (reverse_die_lists): Delete.
8419 (reverse_all_dies): Delete.
8420 (add_dwarf_attr): Correct documentation.
8421 (remove_child_with_prev): New.
8422 (remove_child_TAG): Update for change to die_struct, use
8423 remove_child_with_prev.
8424 (add_child_die): Update for change to die_struct.
8425 (splice_child_die): Use remove_child_with_prev and add_child_die.
8426 (print_die): Use FOR_EACH_CHILD.
8427 (die_checksum): Likewise.
8428 (assign_symbol_names): Likewise.
8429 (output_location_lists): Likewise.
8430 (build_abbrev_table): Likewise.
8431 (calc_die_sizes): Likewise.
8432 (mark_dies): Likewise.
8433 (unmark_dies): Likewise.
8434 (unmark_all_dies): Likewise.
8435 (output_die): Likewise.
8436 (prune_unused_types_mark): Likewise.
8437 (prune_unused_types_walk): Likewise.
8438 (same_die_p): Update for change to die_struct.
8439 (break_out_includes): Likewise.
8440 (prune_unused_types_prune): Likewise.
8441 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
8442 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
8444 (dwarf2out_finish): Don't call reverse_all_dies.
8446 2006-04-21 Eric Christopher <echristo@apple.com>
8448 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
8449 in comments and function names.
8451 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8454 * c-typeck.c (digest_init): Robustify.
8456 * c-typeck.c (pop_init_level): Simplify.
8458 2006-04-21 Steve Ellcey <sje@cup.hp.com>
8460 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
8462 2006-04-21 Paul Brook <paul@codesourcery.com>
8464 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
8465 hardware floating point.
8467 2006-04-21 David Edelsohn <edelsohn@gnu.org>
8469 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
8472 2006-04-21 Nick Clifton <nickc@redhat.com>
8474 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
8477 2006-04-21 Alan Modra <amodra@bigpond.net.au>
8480 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
8481 C++ lang type in traceback table for Objective-C++.
8483 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
8485 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
8487 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
8489 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8492 * tree-mudflap.c (mudflap_finish_file): Skip function when there
8493 were errors. Remove check for erroneous objects.
8495 2006-04-20 Jeff Law <law@redhat.com>
8497 PR tree-optimization/26854
8498 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
8499 checking for zero or one use.
8500 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
8501 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
8502 * tree-ssa-reassoc.c (negate_value): Similarly.
8503 (reassociate_bb): Similarly.
8505 2006-04-20 Jakub Jelinek <jakub@redhat.com>
8507 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
8508 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
8509 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
8511 2006-04-20 Alan Modra <amodra@bigpond.net.au>
8513 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
8514 fp regs if the last fp arg doesn't fit in regs.
8516 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
8519 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
8520 that the last insn has the REG_INC note.
8522 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
8523 Nathan Sidwell <nathan@codesourcery.com>
8526 * stor-layout.c (update_alignment_for_field): Do not align
8528 (place_union_field): Place union field at the start of the union.
8529 (place_field): Move ERROR_MARK check later, and use the current
8530 allocation position to maintain monotonicity.
8532 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
8534 * dominance.c: Include timevar.h.
8535 (calculate_dominance_info): Use TV_DOMINANCE.
8536 * timevar.def (TV_DOMINANCE): New timevar.
8537 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
8539 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8541 PR rtl-optimization/14261
8542 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
8543 move would be an INSV insn.
8544 (noce_process_if_block): Don't optimize if the destination is a
8545 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
8547 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8549 * config/s390/s390.md: Add comments with the instructions emitted
8550 by an insn pattern if macros are used.
8552 2006-04-19 Alan Modra <amodra@bigpond.net.au>
8554 PR rtl-optimization/26026
8555 * fold-const.c (fold_binary): Optimize div and mod where the divisor
8556 is a known power of two shifted left a variable amount.
8558 2006-04-18 Geoffrey Keating <geoffk@apple.com>
8560 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
8561 to hash table twice when the debug_str section has SECTION_MERGE.
8563 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
8565 * config/soft-fp: New directory. From glibc.
8566 * config/soft-fp/t-softfp: New.
8567 * config/soft-fp/README: New.
8568 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
8569 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
8570 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
8571 (LIBGCC_DEPS): Add $(SFP_MACHINE).
8572 * config.gcc: Use rs6000/t-fprules-fpbit or
8573 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
8575 * config/rs6000/sfp-machine.h: New. Based on glibc.
8576 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
8578 * config/rs6000/t-fprules: Remove fp-bit rules.
8579 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
8580 * config/rs6000/t-linux64: Likewise. Remove duplicates from
8581 LIB2FUNCS_EXTRA. Remove fp-bit rules.
8582 (softfp_wrap_start, softfp_wrap_end): New.
8584 2006-04-18 DJ Delorie <dj@redhat.com>
8586 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
8588 2006-04-18 Devang Patel <dpatel@apple.com>
8590 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
8592 2006-04-18 Nick Clifton <nickc@redhat.com>
8594 * config/sh/t-symbian: Add rule to build sh-c.o
8595 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
8596 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
8597 (sh_symbian_encode_section_info): Likewise.
8599 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
8601 * builtins.c (expand_builtin_strcmp): Cover label definition of
8602 do_libcall with HAVE_cmpstrnsi.
8604 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
8606 * function.c (temp_slots_at_level, max_slot_level): Use VEC
8608 * function.h (temp_slot_p): New.
8609 (function): Change the type of x_used_temp_slots to
8610 VEC(temp_slot_p,gc) *.
8612 2006-04-18 Nick Clifton <nickc@redhat.com>
8614 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
8615 flag_strength_reduce.
8617 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
8619 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8623 Partial revert of revision 112637
8624 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8625 Dale Johannesen <dalej@apple.com>
8628 * regclass.c (struct reg_pref): Update documentation.
8629 (regclass): Set prefclass to NO_REGS if memory is the best option.
8630 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8632 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8634 PR tree-optimization/26821
8635 * tree-ssa-math-opts.c (get_constant_one): New.
8636 (insert_reciprocals): Use it.
8638 2006-04-17 Geoffrey Keating <geoffk@apple.com>
8640 * dwarf2out.c (free_AT): Delete.
8641 (remove_AT): Update string ref counts.
8642 (remove_child_TAG): Don't call free_die.
8644 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8645 or DW_TAG_GNU_EINCL.
8646 (prune_unused_types_walk_attribs): Reset string refcounts.
8647 (prune_unused_types_update_strings): New.
8648 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8649 call free_die. Do call prune_unused_types_update_strings.
8650 (prune_unused_types): Empty debug_str_hash.
8652 2006-04-17 Roger Sayle <roger@eyesopen.com>
8654 * expr.c (expand_assignment): Optimize away no-op moves where the
8655 source and destination are equal and have no side-effects.
8657 2006-04-17 Richard Guenther <rguenther@suse.de>
8660 * reload.c (push_reload): Guard calls to get_secondary_mem
8663 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
8665 * alias.c (reg_base_value, old_reg_base_value): Change the
8666 type to VEC(rtx,gc) *.
8667 (REG_BASE_VALUE, find_base_value, record_set,
8668 init_alias_analysis): Use VEC instead of VARRAY.
8670 * alias.c (alias_sets): Change the type to
8671 VEC(alias_set_entry,gc) *.
8672 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8673 VEC instead of VARRAY.
8674 (last_alias_set): Remove.
8676 * cgraph.h (cgraph_edge_p): New.
8677 Update the prototype of cgraph_function_versioning.
8678 * cgraphunit.c (cgraph_copy_node_for_versioning,
8679 cgraph_function_versioning): Use VEC instead of VARRAY.
8680 * ipa-cp.c (ipcp_insert_stage): Likewise.
8682 2006-04-16 Roger Sayle <roger@eyesopen.com>
8685 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8686 "A op B" or "A op C", we may need to convert A to the type of B and C.
8688 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
8690 * target.h (struct gcc_target): Add mode_rep_extended.
8691 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8692 (init_num_sign_bit_copies_in_rep): Initialize it using
8694 (truncate_to_mode): Use it.
8695 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8696 * targhooks.h (default_mode_rep_extended): Declare it.
8697 * targhooks.c (default_mode_rep_extended): Define it.
8698 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8699 default_mode_rep_extended.
8700 (TARGET_INITIALIZER): Include it.
8701 * doc/tm.texi (Misc): Document it.
8702 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8703 (mips_truncated_to_mode): New function.
8705 2006-04-16 Roger Sayle <roger@eyesopen.com>
8708 * expr.c (compress_float_constant): Copy the narrow constant into
8709 a new pseudo before extending it to its final width.
8711 2006-04-16 Roger Sayle <roger@eyesopen.com>
8712 Andrew Pinski <pinskia@gcc.gnu.org>
8713 Dale Johannesen <dalej@apple.com>
8716 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8717 special case code to implement V8HImode and V16QImode with SSE2.
8719 2006-04-15 Roger Sayle <roger@eyesopen.com>
8721 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8722 trees are constructed with a suitable tree type.
8724 2006-04-15 Roger Sayle <roger@eyesopen.com>
8726 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8727 (integer_onep): Likewise.
8728 (integer_all_onesp): Likewise.
8729 (integer_pow2p): Likewise.
8730 (integer_nonzerop): Likewise.
8731 (real_zerop): Likewise.
8732 (real_onep): Likewise.
8733 (real_twop): Likewise.
8734 (real_minus_onep): Likewise.
8735 (int_size_in_bytes): Likewise.
8736 (host_integerp): Likewise.
8738 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8740 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8741 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8742 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8744 * tree-ssa-structalias.h (alias_info): Remove num_references.
8746 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8748 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8749 (output_bvb patterns): Likewise.
8750 * pa.c (output_bb): Use 'bb' insn for long branch case.
8751 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8752 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8753 1. Correct length operand for alternatives 1 and 2.
8754 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8755 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8757 2006-04-14 Roger Sayle <roger@eyesopen.com>
8759 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8760 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8761 were accidentally reverted by r112959.
8763 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8766 * except.h (eh_region_outermost): New prototype.
8767 * except.c (eh_region_outermost): New function.
8768 * tree-cfg.c (find_outermost_region_in_block): Use it.
8770 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8772 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8774 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8775 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8776 (init_reload, reload): Use VEC instead of VARRAY.
8777 * reload.h: Update the prototype for
8778 reg_equiv_memory_loc_varray.
8780 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8781 Eric Botcazou <ebotcazou@libertysurf.fr>
8783 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8786 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8789 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8790 to expand fallback builtin function call.
8792 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8795 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8796 and emit libcall here in case the builtin fails.
8797 (expand_builtin_strcmp): Always emit the libcall here on failure.
8799 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8801 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8802 * flow.c (reg_n_info): Change the type to
8803 VEC(reg_info_p,heap) *.
8804 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8806 * regs.h (reg_info_p): New.
8807 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8808 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8809 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8812 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8814 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8816 * params.h (MAX_SCHED_READY_INSNS): New macro.
8817 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8818 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8819 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8820 the ready list for 1 cycle during the first scheduling pass.
8821 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8823 2006-04-13 Richard Henderson <rth@redhat.com>
8826 * gimple-low.c (lower_omp_directive): Remove dead code.
8827 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8828 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8829 * omp-low.c (struct omp_region): Move to tree-flow.h.
8830 (root_omp_region): Export.
8831 (omp_regions, lookup_omp_region): Remove.
8832 (determine_parallel_type): Update for struct omp_region changes.
8833 (dump_omp_region): Dump regions with block numbers.
8834 (new_omp_region): Take type and block instead of stmt; malloc
8836 (free_omp_region_1, free_omp_regions): New.
8837 (expand_parallel_call): Take entry_stmt as argument; update for
8838 changes to omp_region.
8839 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8840 (remove_exit_barriers): New.
8841 (expand_omp_parallel): Update for struct omp_region changes.
8842 (expand_omp_synch): Likewise.
8843 (expand_omp): Likewise.
8844 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8845 (expand_omp_for_static_chunk): Likewise.
8846 (expand_omp_for): Likewise.
8847 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8848 (expand_omp_sections): Similarly, with GOMP_sections_end.
8849 (expand_omp_single): New.
8850 (build_omp_regions_1): Update for OMP_CONTINUE.
8851 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8852 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8853 OMP_SECTIONS_SECTIONS.
8854 (lower_omp_single_simple): Don't emit barrier here.
8855 (lower_omp_single_copy): Likewise.
8856 (lower_omp_single): Fix bindings, and lower to straightline now.
8857 (lower_omp_master, lower_omp_ordered): Likewise.
8858 (lower_omp_critical): Likewise.
8859 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8860 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8861 omp edges, free it afterward.
8862 (make_omp_sections_edges): Remove.
8863 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8864 (move_stmt_r): Handle OMP_CONTINUE.
8865 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8866 statement pointers to basic blocks. Add type member.
8867 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8868 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8869 * tree-inline.c (estimate_num_insns_1): Likewise.
8870 * tree-pretty-print.c (dump_generic_node): Likewise.
8871 * tree-ssa-operands.c (get_expr_operands): Likewise.
8872 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8873 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8874 (OMP_CONTINUE): New.
8875 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8876 (OMP_SECTIONS_SECTIONS): Remove.
8877 (OMP_SECTION_LAST): New.
8878 (OMP_RETURN_NOWAIT): New.
8880 2006-04-13 Roger Sayle <roger@eyesopen.com>
8882 * fold-const.c (native_encode_vector, native_interpret_real):
8883 Correct obvious mistakes in the previous check-in.
8885 2006-04-13 Roger Sayle <roger@eyesopen.com>
8887 * fold-const.c (native_encode_expr): New function to encode
8888 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8889 or VECTOR_CST into a specified buffer.
8890 (native_encode_int): New function.
8891 (native_encode_real): New function.
8892 (native_encode_complex): New function.
8893 (native_encode_vector): New function.
8894 (native_interpret_expr): Inverse of native_encode_expr to convert
8895 a target representation into an INTEGER_CST, REAL_CST etc...
8896 (native_interpret_int): New function.
8897 (native_interpret_real): New function.
8898 (native_interpret_complex): New function.
8899 (native_interpret_vector): New function.
8900 (fold_view_convert_expr): New function to constant fold/evaluate
8901 a VIEW_CONVERT_EXPR of a suitable constant expression.
8902 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8903 Change call of build1 to fold_build1 when constructing a
8906 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8907 Ulrich Weigand <uweigand@de.ibm.com>
8910 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8913 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8916 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8917 optimize to lo_sum for DFmode if !TARGET_FPRS.
8919 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8921 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8922 delete_alias_info, compute_flow_sensitive_aliasing,
8923 group_aliases): Use VEC instead of VARRAY.
8924 * tree-ssa-structalias.c (update_alias_info): Likewise.
8925 * tree-ssa-structalias.h (alias_info): Change the type of
8926 processed_ptrs to VEC(tree,heap) *.
8928 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8931 * config/sh/lib1funcs.h: New file, broken out of:
8932 * config/sh/lib1funcs.asm.
8933 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8935 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8936 * config/sh/lib1funcs-Os-4-200.asm: New file.
8937 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8938 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8939 (EXTRA_MULTILIB_PARTS): Include it.
8940 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8941 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8942 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8943 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8946 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8948 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8949 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8950 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8952 * tree-ssa-live.h: Include vecprim.h.
8953 (tree_partition_associator_d): Change the type of
8954 first_partition to VEC(int,heap) *.
8955 (tpa_first_partition): Use VEC instead of VARRAY.
8957 * Makefile.in (GTFILES): Move functions.h after tree.h.
8958 * function.c (reset_block_changes, record_block_change,
8959 check_block_change, free_block_changes): Use VEC instead of
8961 * function.h (function): Change the type of
8962 ib_boundaries_block to VEC(tree,gc) *.
8963 * tree-inline.c (copy_cfg_body): Initialize
8964 ib_boundaries_block to NULL instead of (varray_type) 0.
8966 2006-04-12 Roger Sayle <roger@eyesopen.com>
8968 * expr.c (emit_group_store): Correct operand order in call to
8969 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8970 a SUBREG_BYTE of zero.
8972 2006-04-12 Richard Guenther <rguenther@suse.de>
8974 * profile.c (compute_branch_probabilities): Remove code
8975 encapsulated in !ir_type (), which are remanents of the
8976 removed RTL profiling code.
8977 * rtl-profile.c: Remove.
8979 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8981 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8982 magic NULL_RTX comment.
8983 (function_arg): Store entire fp arg to mem if any part should go
8985 (rs6000_arg_partial_bytes): Adjust for above change.
8987 2006-04-11 Roger Sayle <roger@eyesopen.com>
8989 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8990 if it hasn't been initialized by dwarf2out_init.
8992 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8994 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8995 symbolic constants in branch patterns.
8997 2006-04-11 Roger Sayle <roger@eyesopen.com>
8999 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
9001 2006-04-11 Richard Sandiford <richard@codesourcery.com>
9003 PR rtl-optimization/27073
9004 * gcse.c (try_replace_reg): Revert last change. Continue to search
9005 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
9008 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9010 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
9011 aggregate types other than record and union types.
9012 (function_arg): Likewise.
9013 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
9015 (function_value): In 64-bit mode, return objects that require it
9018 2006-04-11 Roger Sayle <roger@eyesopen.com>
9020 * dwarf2out.c (premark_used_types): Remove problematic prototype.
9022 2006-04-11 Jakub Jelinek <jakub@redhat.com>
9024 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
9026 2006-04-03 Jeff Law <law@redhat.com>
9029 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
9030 alias information too.
9032 2006-04-10 Mike Frysinger <vapier@gentoo.org>
9034 * Makefile.in (gcc-cross): Add $(exeext) to target name.
9036 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
9039 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
9040 (premark_used_types_helper): New.
9041 (premark_used_types): New.
9042 (gen_subprogram_die): Call premark_used_types.
9043 (prune_unused_types_walk): Do not prune perennial dies.
9044 * function.c (used_types_insert): New.
9045 * function.h (struct function): Add used_types_hash field.
9046 (used_types_insert): Add prototype.
9047 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
9048 * c-parser.c (c_parser_cast_expression): Save casted types in used
9051 2006-04-11 Mark Mitchell <mark@codesourcery.com>
9054 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
9055 rs6000_explicit_options.float_gprs.
9057 2006-04-10 Roger Sayle <roger@eyesopen.com>
9059 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
9060 from ix86_expand_vector_init_low_nonzero. Take an additional
9061 one_var argument indicating which element is non-zero. Support
9062 one_var != 0 for V4SFmode and V4SImode by permuting the result.
9063 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
9064 with one_var instead of ix86_expand_vector_init_low_nonzero.
9066 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
9068 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
9069 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
9070 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
9071 build/genextract.o): Depend on vecprim.h.
9072 * cfglayout.c, df-problems.c, function.c, genextract.c,
9073 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
9074 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
9078 2006-04-10 Geoffrey Keating <geoffk@apple.com>
9080 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
9081 Declare VECs of this type.
9082 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
9083 (remove_children): Delete.
9084 (add_dwarf_attr): Use VEC routines.
9085 (add_AT_flag): Update for changes to add_dwarf_attr.
9086 (add_AT_int): Likewise.
9087 (add_AT_unsigned): Likewise.
9088 (add_AT_long_long): Likewise.
9089 (add_AT_vec): Likewise.
9090 (add_AT_string): Likewise.
9091 (add_AT_die_ref): Likewise.
9092 (add_AT_fde_ref): Likewise.
9093 (add_AT_loc): Likewise.
9094 (add_AT_loc_list): Likewise.
9095 (add_AT_addr): Likewise.
9096 (add_AT_lbl_id): Likewise.
9097 (add_AT_lineptr): Likewise.
9098 (add_AT_macptr): Likewise.
9099 (add_AT_offset): Likewise.
9100 (add_AT_range_list): Likewise.
9101 (get_AT): Use VEC_iterate.
9102 (remove_AT): Use VEC_ordered_remove.
9103 (free_die): Fold remove_children into here; have it use VEC_iterate.
9104 (print_die): Use VEC_iterate on attrs.
9105 (reverse_die_lists): Don't reverse attr lists.
9106 (die_checksum): Use VEC_iterate on attrs.
9107 (same_die_p): Likewise.
9108 (output_location_lists): Likewise.
9109 (build_abbrev_table): Likewise.
9110 (size_of_die): Likewise.
9111 (unmark_all_dies): Likewise.
9112 (output_abbrev_section): Likewise.
9113 (output_die): Likewise.
9114 (prune_unused_types_walk_attribs): Likewise.
9116 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9118 * doc/install.texi (*-*-solaris2*): Point to the configure page.
9120 2006-04-10 Jakub Jelinek <jakub@redhat.com>
9123 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
9125 2006-04-09 Roger Sayle <roger@eyesopen.com>
9127 * expr.c (store_constructor): Don't bother clearing target if
9128 we're about to assign a vector to it using vec_init_optab.
9130 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
9132 * tree-ssa-alias.c (lhs_may_store_to): New function.
9133 (recalculate_used_alone): Handle LHS of calls.
9135 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9139 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
9140 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
9141 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
9142 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
9143 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
9144 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
9145 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
9146 stubs. Add ".align 8" directives before all ".dword" directives.
9147 (GTHREAD_USE_WEAK): Revise comment.
9148 (TARGET_ATTRIBUTE_WEAK): Define.
9149 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
9150 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
9151 * stublib.c: New file.
9156 * pa.md (cbranch patterns): Revise arguments used in calls to
9157 output_cbranch, output_bb and output_bvd. Add long branch length
9159 (fbranch patterns): Handle long branches.
9160 (jump): Revise length check. Revise arguments for output_lbranch call.
9161 Add long branch length attributes.
9162 (decrement_and_branch_until_zero): Add long branch length attributes.
9163 (output_movb, output_parallel_addb and output_parallel_movb patterns):
9164 Likewise. Revise arguments for output_parallel_addb and
9165 output_parallel_movb calls.
9166 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
9167 output_parallel_movb and output_parallel_addb): Update prototypes.
9168 * pa.c (output_cbranch): Revise arguments. Correct handling of
9169 nullification in long branches.
9170 (output_lbranch): Add new argument to control extraction of delay
9172 (output_bb): Handle long branches.
9173 (output_bvb, output_dbra, output_movb, output_parallel_movb,
9174 output_parallel_addb): Likewise.
9176 2006-04-09 Richard Sandiford <richard@codesourcery.com>
9178 PR rtl-optimization/27073
9179 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
9182 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
9184 * tree.h (tree_memory_tag): Add old_used_alone.
9185 (SMT_OLD_USED_ALONE): New macro.
9186 * tree-ssa-alias.c (recalculate_used_alone): Stop
9187 marking things for renaming unnecessarily.
9189 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
9191 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
9192 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
9193 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
9194 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
9195 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
9196 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
9197 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
9198 spelling convensions.
9199 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
9200 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
9201 typos. Follow spelling conventions.
9203 2006-04-07 DJ Delorie <dj@redhat.com>
9205 * config/m32c/m32c.c (m32c_function_arg): Structures are always
9206 passed on the stack.
9207 (m32c_init_cumulative_args): When a function returns a structure,
9208 always pass the pointer to that return area on the stack.
9209 (m32c_function_arg_advance): Don't increment the parameter number
9210 if we're processing the returned structure pointer.
9211 (pushm_info): Reverse order of registers.
9213 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
9215 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
9216 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9217 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
9218 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
9220 * tree-chrec.c (chrec_fold_multiply_poly_poly,
9221 chrec_fold_multiply): Same.
9222 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
9223 force_expr_to_var_cost): Same.
9224 * tree-mudflap.c (mf_xform_derefs_1): Same.
9225 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
9227 2006-04-07 David Edelsohn <edelsohn@gnu.org>
9229 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
9230 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
9233 2006-04-07 Jan Hubicka <jh@suse.cz>
9235 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
9237 2006-04-07 Richard Guenther <rguenther@suse.de>
9239 PR tree-optimization/26135
9240 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
9241 loads for store copy-prop.
9242 (copy_prop_visit_stmt): Likewise.
9244 2006-04-05 Robert Millan <robertmh@gnu.org>
9246 * config/i386/linux.h: Add a comment to mark macros that are
9247 being overriden in config/k*bsd-gnu.h.
9248 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
9250 * config/knetbsd-gnu.h: Ditto.
9252 2006-04-06 Jan Hubicka <jh@suse.cz>
9256 * coverage.c (coverage_checksum_string): Reorganize loop to not read
9259 2006-04-06 Mike Stump <mrs@apple.com>
9261 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
9262 for HAVE_nonlocal_goto to be consistent.
9263 (expand_builtin_nonlocal_goto): Likewise.
9264 (expand_builtin_strcmp): Use #ifdef instead of #if
9265 for HAVE_cmpstrnsi to be consistent.
9267 2006-04-05 DJ Delorie <dj@redhat.com>
9269 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
9272 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
9274 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
9275 got-relative addressing for anything but SImode.
9277 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
9278 even if the calling function doesn't modify them.
9280 2006-04-05 Richard Guenther <rguenther@suse.de>
9282 PR tree-optimization/26919
9283 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
9284 to cgraph_estimate_size_after_inlining.
9286 2006-04-05 Alan Modra <amodra@bigpond.net.au>
9288 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
9290 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
9292 PR tree-optimization/26996
9293 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
9294 VECTOR_TYPE variables.
9296 2006-04-05 Richard Guenther <rguenther@suse.de>
9298 PR tree-optimization/26763
9299 * fold-const.c (fold_comparison): Move folding of
9300 PTR + CST CMP PTR + CST ...
9301 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
9303 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
9305 * doc/install.texi (Prerequisites): Refine some wording on
9306 bootstrapping and ksh.
9307 Move the version numbers of DejaGnu here from the testing section
9308 and fix casing of names.
9309 Fix markup and clarify wording for autogen requirements.
9310 Refer to GCJ instead of just java.
9311 Refer to SVN instead of CVS.
9312 Describe diffutils as useful instead of necessary.
9313 (Downloading the source): Refer to SVN instead of CVS.
9314 Adjust a link to our web site accordingly.
9315 (Configuration): Fix casing of Bison.
9316 (Building): Refer to SVN instead of CVS.
9317 Fix a sentence on the use of Bison and remove duplicate (and
9318 incorrect) version number of Bison requirement.
9319 Remove one redundant list of packages needed for building.
9320 (Specific): Avoid reference to CVS.
9322 2006-04-04 Eric Christopher <echristo@apple.com>
9324 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
9325 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
9326 (rs6000_handle_struct_attribute): New.
9327 (rs6000_ms_bitfield_layout_p): Ditto.
9329 2006-04-04 Geoffrey Keating <geoffk@apple.com>
9331 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
9332 NULL for dso parameter to atexit_common.
9334 2006-04-04 Eric Christopher <echristo@apple.com>
9336 * config/i386/i386.c (machopic_output_stub): Output \t
9337 between instructions and operands.
9339 2006-04-04 David Edelsohn <edelsohn@gnu.org>
9341 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
9342 satisfies_constraint_[IL] to explicit tests on value.
9344 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
9346 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9347 set_nb_iterations_in_loop): Use build_int_cst instead of
9349 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
9350 build_int_cst instead of convert.
9352 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
9354 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
9355 new value 2 for incoming.
9356 * function.c (expand_function_start): Call struct_value_rtx
9358 * config/sparc/sparc.md: Comment updated_return.
9359 * config/sparc/sparc.opt: Add -mstd-struct-return option.
9360 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
9361 struct return if sparc_std_struct_return and incoming is 2.
9362 (print_operand): Do not adjust return if
9363 sparc_std_struct_return.
9365 2006-04-04 Roger Sayle <roger@eyesopen.com>
9367 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
9368 convert in the middle-end.
9369 * expr.c (store_expr, store_constructor, get_inner_reference,
9370 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
9372 * tree.c (build_range_type): Likewise.
9374 2006-04-04 Tom Tromey <tromey@redhat.com>
9376 * doc/install.texi (Prerequisites): Mention jar.
9378 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
9380 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
9383 2006-04-04 Matthias Klose <doko@debian.org>
9385 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
9389 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
9392 2006-04-03 Geoffrey Keating <geoffk@apple.com>
9394 * doc/extend.texi (Function Attributes): Rewrite visibility
9395 attribute documentation.
9396 * doc/invoke.texi (C++ Dialect Options): Rewrite
9397 -fvisibility-inlines-hidden documentation to describe something
9398 entirely different, although in practise compatible.
9399 (Code Gen Options): Warn about system headers in -fvisibility=
9402 * doc/extend.texi (Other Builtins): Document that
9403 __builtin_nan is a compile-time constant only when its argument
9406 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
9408 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
9409 trying to remove TRUNCATE check if all bits outside the new mode
9410 are identical to the sign bit.
9412 2006-04-03 Jeff Law <law@redhat.com>
9414 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
9415 and operand scanning in some common cases.
9417 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9418 Dale Johannesen <dalej@apple.com>
9421 * regclass.c (struct reg_pref): Update documentation.
9422 (regclass): Set prefclass to NO_REGS if memory is the best option.
9423 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9424 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
9425 into account. For non-registers, equate an empty preferred
9426 reload class to a `!' in the constraint; move the if clause to
9427 do so after those that reject the insn.
9428 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
9430 (find_dummy_reload): Likewise.
9431 * doc/tm.texi (Register Classes): Document what it means
9432 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
9433 * config/i386/i386.c (ix86_preferred_reload_class): Force
9434 using SSE registers (and return NO_REGS for floating-point
9435 constants) if math is done with SSE.
9436 (ix86_preferred_output_reload_class): New.
9437 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
9438 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
9439 * config/i386/i386.md: Remove # register preferences.
9441 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9444 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9445 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
9446 the type of nb_iter.
9447 (instantiate_parameters_1): Convert the operands before calling
9448 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
9449 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
9451 2006-04-02 Roger Sayle <roger@eyesopen.com>
9453 * builtins.c (dummy_object): Use build_int_cst instead of convert.
9454 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
9456 * dojump.c (do_jump): Likewise.
9457 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
9458 * gimplify.c (gimple_boolify, gimplify_init_constructor,
9459 gimplify_boolean_expr): Likewise.
9460 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
9461 * varasm.c (array_size_for_constructor): Likewise.
9462 * tree-object-size.c (compute_object_offset): Likewise.
9464 2006-04-02 Roger Sayle <roger@eyesopen.com>
9467 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
9468 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
9470 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9472 PR tree-optimization/26939
9473 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
9475 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9477 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
9478 at_stmt. Convert the type of operands before calling
9479 build_polynomial_chrec.
9480 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
9482 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
9483 (instantiate_parameters_1): Convert the type of operands before calling
9484 build_polynomial_chrec.
9485 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
9486 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
9487 reset_evolution_in_loop): Insert asserts to check the types of the
9489 (chrec_type): Moved...
9490 (eq_evolutions_p): Use operand_equal_p.
9491 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
9492 the types of the operands.
9493 (chrec_type): ...here.
9494 * tree-data-ref.c (create_data_ref): Convert the operands before
9495 calling chrec_replace_initial_condition.
9496 (same_access_functions, analyze_subscript_affine_affine,
9497 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
9498 (compute_subscript_distance, analyze_ziv_subscript,
9499 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
9500 analyze_miv_subscript): Convert the operands before calling
9501 chrec_fold_minus or chrec_fold_plus.
9503 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9505 * tree-data-ref.c (compute_all_dependences): Use a pointer to
9506 the dependence_relations vector.
9507 (compute_data_dependences_for_loop): Adjust call to
9508 compute_all_dependences.
9510 2006-04-01 Roger Sayle <roger@eyesopen.com>
9511 Richard Henderson <rth@redhat.com>
9513 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
9514 gimple_boolify on the condition before calling gimplify_expr.
9516 2006-03-31 Bob Wilson <bob.wilson@acm.org>
9518 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
9519 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
9520 the frame size. Update to use the new macros.
9521 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
9522 * config/xtensa/ieee754-df.S: Likewise.
9524 2006-03-31 Richard Henderson <rth@redhat.com>
9526 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
9527 (make_edges): ... here. Control fallthru creation with a local
9528 variable. Do not play with fake edges.
9529 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
9530 (make_goto_expr_edges): Don't play with fake edges. Make for_call
9533 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
9535 * dwarf2.h (DW64_CIE_ID): Define.
9536 * dwarf2out.c (DWARF_CIE_ID): Define.
9537 (output_call_frame_info): Output 0xffffffff before standard 8-byte
9538 length header. Use DWARF_CIE_ID.
9539 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
9540 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
9542 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
9544 * config/sh/linux-atomic.asm: New file.
9545 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
9547 2006-03-31 DJ Delorie <dj@redhat.com>
9549 * config/m32c/cond.md: Set condition flags properly throughout.
9550 * config/m32c/minmax.md: Likewise.
9551 * config/m32c/prologue.md: Likewise.
9552 * config/m32c/bitops.md: Likewise.
9553 * config/m32c/muldiv.md: Likewise.
9554 * config/m32c/mov.md: Likewise.
9555 * config/m32c/addsub.md: Likewise.
9556 * config/m32c/m32c.md: Likewise.
9557 * config/m32c/jump.md: Likewise.
9558 * config/m32c/shift.md: Likewise.
9560 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
9561 conditionally output the pattern for this.
9562 * config/m32c/m32c.c (flags_needed_for_conditional): New.
9563 (m32c_compare_redundant): New.
9564 (m32c_output_compare): New.
9565 * config/m32c/m32c-protos.h (m32c_output_compare): New.
9567 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
9568 dest, not src. Allow other 4-byte modes.
9570 2006-03-30 Denis Chertykov <denisc@overta.ru>
9572 * doc/md.texi: Refer to avr/constraints.md instead of
9575 2006-03-30 Roger Sayle <roger@eyesopen.com>
9577 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
9578 signed vs. unsigned comparison failures on some hosts.
9580 2006-03-31 Alan Modra <amodra@bigpond.net.au>
9583 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
9584 change to FLOAT_REGS.
9586 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
9587 (rs6000_override_options): Use it.
9588 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
9589 only for -mabi=spe/no-spe and -mabi=altivec.
9591 2006-03-30 Geoffrey Keating <geoffk@apple.com>
9593 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
9596 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
9598 * Makefile.in: Rename docdir to gcc_docdir.
9600 2006-03-30 Roger Sayle <roger@eyesopen.com>
9603 * expr.c (emit_group_store): Optimize group stores into a pseudo
9604 register by using a paradoxical subreg to initialize the destination
9605 if the first or last member of the group specifies a "low part".
9607 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9610 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
9611 * target.h (struct gcc_target.speculate_insn): Change type of the
9612 second parameter to 'int'.
9613 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
9614 the second operand of the DEPS_LIST.
9615 (copy_DEPS_LIST_list): Update reference to the second operand of the
9617 * rtl.h (alloc_DEPS_LIST): Update signature.
9618 * sched-int.h (ds_t): Change typedef to 'int'.
9619 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9621 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9623 * haifa-sched.c (try_ready): Change condition to restore
9624 non-speculative pattern of the instruction.
9625 (process_insn_depend_be_in_spec): Code to keep probability of the
9626 speculative dependence non-decreasing.
9628 2006-03-30 Jie Zhang <jie.zhang@analog.com>
9630 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
9631 (single_move_for_movmem): ... this. Also change all uses.
9632 (bfin_expand_strmov): Renamed to...
9633 (bfin_expand_movmem): ... this. Also change all uses.
9634 * config/bfin/bfin.md (movstrsi): Renamed to...
9635 (movstrsi): ...this.
9637 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
9639 PR tree-optimization/26830
9641 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9642 (copy_prop_visit_stmt): Remove write-only variable ann.
9643 (init_copy_prop): Check variable loop depth here. Do not simulate
9644 memory-tag and virtual operand PHIs except for store copy prop.
9646 2006-03-30 Richard Guenther <rguenther@suse.de>
9648 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9649 variants with double arguments.
9651 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9653 * genpreds.c (write_tm_constrs_h): Delete variable p.
9654 * genconditions.c (write_header): Add tm-constrs.h to included
9656 * genpeep.c (main): Add toplev.h to included headers.
9657 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9658 (build/genpeep.o): Add toplev.h dependency.
9659 * config/rs6000/constraints.md: Add "W" constraint.
9661 2006-03-29 Roger Sayle <roger@eyesopen.com>
9663 * stor-layout.c (mode_for_size_tree): Remove restiction on type
9664 sizes by correctly testing whether the size fits a host integer.
9665 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9666 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9667 SImode range for the default sizetype and bitsizetype.
9669 2006-03-29 Roger Sayle <roger@eyesopen.com>
9671 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9672 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
9673 quickly if the argument is already of the correct type.
9674 Call fold_build1 instead of build1. Tidy up blank lines.
9676 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9678 * genemit.c (main): Add tm-constrs.h to included headers.
9679 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9680 * genpeep.c (main): Add tm-constrs.h to included headers.
9681 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9682 (write_tm_constrs_h): this and write complete file.
9683 (write_tm_preds_h): Do not emit satisfies_constraint fns.
9684 (write_insn_preds_c): Add tm-constrs.h to included headers.
9685 (gen_constrs): New variable.
9686 (parse_option): Parse "-c".
9687 (main): Invoke write_tm_constrs_h.
9688 * genrecog.c (write_header): Add tm-constrs.h to included headers.
9689 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9690 (object_out_file): Add tm-constrs.h dependency.
9691 (insn-emit.o): Same.
9692 (insn-output.o): Same.
9693 (insn-peep.o): Same.
9694 (insn-preds.o): Same.
9695 (insn-recog.o): Same.
9696 (tm-constsr.h): New target.
9697 (s-constrs-h): New target.
9699 * config/rs6000/constraints.md: New file.
9700 * config/rs6000/rs6000.c: Include tm-constrs.h.
9701 (num_insn_constant_wide): Convert to satisfies_constraint.
9702 (rs6000_rtx_costs): Convert to satisfies_constraint.
9703 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9704 (CONST_OK_FOR_LETTER_P): Delete.
9705 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9706 (EXTRA_CONSTRAINT): Delete.
9707 (EXTRA_MEMORY_CONSTRAINT): Delete.
9708 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9709 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9710 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9711 satisfies_constraint.
9713 * config/i386/i386.c: Include tm-constrs.h.
9715 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9717 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9718 * tree-data-ref.c (find_data_references_in_loop,
9719 compute_data_dependences_for_loop): Use pointers to VEC.
9720 (analyze_all_data_dependences): Adjust calls.
9721 * tree-data-ref.h (find_data_references_in_loop,
9722 compute_data_dependences_for_loop): Adjust declarations.
9723 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9724 compute_data_dependences_for_loop.
9726 2006-03-29 Paul Brook <paul@codesourcery.com>
9728 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9731 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9733 PR tree-optimization/26859
9734 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9736 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9737 for the step after fold_convert.
9739 2006-03-29 Paul Brook <paul@codesourcery.com>
9741 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9742 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9744 2006-03-29 Paul Brook <paul@codesourcery.com>
9747 * targhooks.c (default_narrow_bitfield): New fuction.
9748 * targhooks.h (default_narrow_bitfield): add prototype.
9749 * target.h (gcc_target): Add narrow_volatile_bitfield.
9750 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9751 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9752 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9753 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9755 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9757 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9759 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9760 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9761 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9762 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9763 (s390_function_arg_float): Allow SDmode and DDmode values to be
9764 passed in floating point registers.
9765 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9766 check with SCALAR_FLOAT_MODE_P.
9767 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9769 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9771 PR tree-optimization/25985
9772 * tree-ssa-loop-niter.c (number_of_iterations_le,
9773 number_of_iterations_ne): Make comments more precise.
9774 (number_of_iterations_cond): Add only_exit argument. Use the
9775 fact that signed variables do not overflow only when only_exit
9777 (loop_only_exit_p): New.
9778 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9779 number_of_iterations_cond.
9781 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9783 PR tree-optimization/26643
9784 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9787 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9789 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9790 (divsi3_i4_int): Likewise.
9792 2006-03-28 Roger Sayle <roger@eyesopen.com>
9794 * expr.c (emit_group_store): Only create a new pseudo reg if the
9795 quantity it needs to hold isn't already a suitable pseudo.
9797 2006-03-28 Jeff Law <law@redhat.com>
9799 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9800 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9802 2006-03-28 Roger Sayle <roger@eyesopen.com>
9804 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9805 the equivalent ~X & Y, and the symmetry related transformations.
9806 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9807 ~X & Y, and symmetry related transforms.
9809 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9811 Revert my 2006-03-27 patches.
9813 2006-03-28 Roger Sayle <roger@eyesopen.com>
9815 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9816 ~(T1)X, when T1 and T2 are integer types of the same precision
9817 and (T2)X isn't an extension.
9819 2006-03-28 Jeff Law <law@redhat.com>
9821 PR tree-optimization/26796
9822 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9823 need EH edge cleanups rather than purging them immediately.
9824 (eliminate_degenerate_phis): Handle queued EH cleanups.
9826 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9828 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9831 2006-03-27 Roger Sayle <roger@eyesopen.com>
9834 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9835 cast BIT_NOT_EXPR operand to the correct type.
9837 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9839 * tree-loop-linear.c: Don't include varray.h.
9840 (gather_interchange_stats, try_interchange_loops,
9841 linear_transform_loops): Use VEC instead of VARRAY.
9842 * lambda-mat.c: Don't include varray.h.
9843 * tree-chrec.c: Same.
9844 * lambda-trans.c: Same.
9845 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9846 VEC instead of VARRAY.
9847 * tree-vectorizer.h: Idem.
9848 * tree-data-ref.c (dump_data_references,
9849 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9850 initialize_data_dependence_relation, finalize_ddr_dependent,
9851 compute_all_dependences, find_data_references_in_loop,
9852 compute_data_dependences_for_loop, analyze_all_data_dependences,
9853 free_dependence_relation, free_dependence_relations,
9854 free_data_refs): Idem.
9855 * tree-data-ref.h (data_reference_p, subscript_p): New.
9856 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9857 VEC instead of VARRAY.
9858 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9859 (find_data_references_in_loop, compute_data_dependences_for_loop,
9860 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9861 dump_data_dependence_relations, free_dependence_relations,
9862 free_data_refs): Adjust declaration.
9863 (lambda_transform_legal_p): Move declaration here...
9864 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9865 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9866 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9867 vect_analyze_data_refs): Use VEC instead of VARRAY.
9868 * lambda.h (lambda_transform_legal_p): ...from here.
9869 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9870 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9871 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9872 tree-chrec.o): Don't depend on VARRAY_H.
9874 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9876 * rtl.def (Copyright): Update date.
9877 (DEPS_LIST): Change type of the second operand to 'int'.
9878 * target.h (Copyright): Update date.
9879 (struct gcc_target.speculate_insn): Change type of the second parameter
9881 * lists.c (Copyright): Update date.
9882 (alloc_DEPS_LIST): Change signature. Update reference to the second
9883 operand of the DEPS_LIST.
9884 (copy_DEPS_LIST_list): Update reference to the second operand of the
9886 * rtl.h (Copyright): Update date.
9887 (alloc_DEPS_LIST): Update signature.
9888 * sched-int.h (Copyright): Update date.
9889 (ds_t): Change typedef to 'int'.
9890 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9892 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9894 * haifa-sched.c (Copyright): Update date.
9895 (try_ready): Change condition to restore non-speculative pattern
9897 (process_insn_depend_be_in_spec): Code to keep probability of the
9898 speculative dependence non-decreasing.
9900 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9902 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9903 shut up the compiler.
9905 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9907 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9908 to use lib prefix for target.
9909 ($(T)libic_invalidate_array_4-200.a): Likewise.
9910 ($(T)libic_invalidate_array_4a.a): Likewise.
9912 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9913 J"orn Rennecke <joern.rennecke@st.com>
9915 * superh.opt: New file.
9916 * sh.c (boardtype, osruntime): Remove.
9917 * superh.h (SUBTARGET_OPTIONS): Remove.
9918 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9920 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9921 arguments with ^ and/or [].
9923 * config.gcc (sh-*-*): Add quoting to account for quirk of
9925 Replace == with = in enable_incomplete_targets test.
9927 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9928 with MASK_LITTLE_ENDIAN.
9930 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9931 * config/sh/sh.opt: Added to some comments.
9932 * config/sh/superh.h: Removed some chaff.
9934 * config/sh/sh.opt: Add m4-[1234]00* options.
9935 * config/sh/sh.c (sh_handle_option): Likewise.
9936 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9937 (ic_invalidate_array_4-100.o): New rule.
9938 ($(T)libic_invalidate_array_4-100.a): Likewise.
9939 (ic_invalidate_array_4-200.o): Likewise.
9940 ($(T)libic_invalidate_array_4-200.a): Likewise.
9941 (ic_invalidate_array_4a.o): Likewise.
9942 ($(T)libic_invalidate_array_4a.a): Likewise.
9943 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9944 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9946 * config/sh/crt1.asm: Merged in profiling code.
9947 * config/sh/superh.h (STARTFILE_SPEC): Override.
9948 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9949 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9950 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9952 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9953 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9954 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9956 * sh.opt (mpretend-cmove): New option.
9957 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9958 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9959 (movsicc): Add TARGET_PRETEND_CMOVE code.
9961 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9963 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9964 s390_class_max_nregs): New function prototypes.
9965 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9966 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9967 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9968 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9970 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9972 * dwarf2out.c (add_location_or_const_value_attribute): Call
9973 tree_add_const_value_attribute if nothing else works.
9974 (reference_to_unused): New.
9975 (rtl_for_decl_init): Use reference_to_unused to decide whether
9976 to output an initializer.
9978 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9981 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9982 peephole removing spe frob_di_df_2.
9984 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9986 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9987 (subscript_dependence_tester_1): Declared.
9988 (print_dir_vectors, print_dist_vectors): New.
9989 (debug_data_dependence_relation): New.
9990 (dump_data_dependence_relation): Print more details.
9991 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9992 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9993 (save_dist_v, save_dir_v, add_outer_distances,
9994 build_classic_dist_vector_1): New.
9995 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9996 Don't test for lambda_vector_lexico_pos.
9997 (same_access_functions, add_multivariate_self_dist,
9998 add_other_self_distances, dir_from_dist): New.
9999 (build_classic_dir_vector): Replace implementation almost identical to
10000 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
10002 (subscript_dependence_tester_1): New.
10003 (subscript_dependence_tester): Handle the lexicographically negative
10004 distance vectors by recomputing the dependence relation.
10005 (compute_affine_dependence): Remove parameter loop_nest_depth.
10006 (compute_self_dependence): Don't call compute_subscript_distance.
10007 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
10008 Add a parameter for the loop_nest.
10009 (find_loop_nest_1, find_loop_nest): New.
10010 (compute_data_dependences_for_loop): Compute the loop nest, and give
10011 up if the nest is not well formed.
10012 * tree-data-ref.h (loop_p): New.
10013 (struct data_dependence_relation): Replace size_vect field with
10014 loop_nest, a vec of loops.
10015 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
10016 (DDR_LOOP_NEST): New.
10017 (print_dir_vectors, print_dist_vectors,
10018 debug_data_dependence_relation): Declared.
10019 (index_in_loop_nest): New.
10020 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
10021 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
10024 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
10026 * simplify-rtx.c (simplify_relational_operation): Call
10027 simplify_relational_operation_1 even if mode is VOIDmode.
10029 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
10031 PR tree-optimization/26804
10032 * tree.h (DECL_CALL_CLOBBERED): New macro.
10033 (tree_decl_common): Add call_clobbered_flag.
10034 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
10035 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
10036 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
10037 (mark_non_addressable): Ditto.
10038 * tree-ssa.c (verify_call_clobbered): New function.
10039 (verify_alias_info): Use it.
10040 * tree-pass.h (pass_reset_cc_flags): New prototype.
10041 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
10042 (reset_cc_flags): New function.
10043 * passes.c (init_optimization_passes): Call reset_cc_flags after
10044 initializing referenced_vars.
10046 2006-03-25 Uros Bizjak <uros@kss-loka.si>
10047 Roger Sayle <roger@eyesopen.com>
10049 PR middle-end/26717
10050 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
10051 to 1.0 for non-real operands. Implement A / A optimization for
10054 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
10056 * config/i386/i386.c (size_cost): Correct the comment for
10057 cost of storing fp registers.
10058 (i386_cost): Likewise.
10059 (i486_cost): Likewise.
10060 (pentium_cost): Likewise.
10061 (pentiumpro_cost): Likewise.
10062 (k6_cost): Likewise.
10063 (athlon_cost): Likewise.
10064 (k8_cost): Likewise.
10065 (pentium4_cost): Likewise.
10066 (nocona_cost): Likewise.
10067 (generic64_cost): Likewise.
10068 (generic32_cost): Likewise.
10070 2006-03-24 Denis Chertykov <denisc@overta.ru>
10072 * config/avr/avr-protos.h (extra_constraint): Delete.
10073 (extra_constraint_Q): New declaration.
10074 * config/avr/constraints.md: New file.
10075 * config/avr/avr.md: Include it.
10076 (REG_X, REG_Y, REG_Z, REG_W): New constants.
10077 (TMP_REGNO, ZERO_REGNO): Likewise.
10078 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
10079 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
10080 (extra_constraint): Delete.
10081 (extra_constraint_Q): Test for memory constraint 'Q'.
10082 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
10083 (REG_CLASS_FROM_LETTER): Delete.
10084 (CONST_OK_FOR_LETTER_P): Delete.
10085 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10086 (EXTRA_CONSTRAINT): Delete.
10087 (TMP_REGNO): Delete.
10088 (ZERO_REGNO): Delete.
10090 2006-03-24 Jeff Law <law@redhat.com>
10092 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
10093 directly. Call mark_new_vars_to_rename slightly earlier.
10095 2006-03-24 Geoffrey Keating <geoffk@apple.com>
10097 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
10098 (is_cxx): Likewise.
10099 (gen_compile_unit_die): Use new language types for Objective-C and
10101 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
10102 DW_LANG_C_plus_plus.
10105 * config/t-darwin (crt3.o): Work around bug 26840.
10106 * config/darwin-crt3.c: Rewrite.
10107 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
10109 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
10111 * doc/invoke.texi: Document -femit-class-debug-always
10112 * common.opt: Add -femit-class-debug-always.
10114 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
10116 * config/s390/s390.c (s390_decompose_address): Allow SImode for
10117 index and base register.
10118 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
10119 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
10120 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
10121 REGNO_OK_FOR_INDEX_P.
10122 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
10124 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
10125 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
10126 REG_OK_FOR_BASE_P): Definitions removed.
10128 2006-03-24 Jakub Jelinek <jakub@redhat.com>
10130 PR middle-end/26611
10131 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
10132 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
10133 set yet or weren't marked as local yet.
10135 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
10137 * regrename.c (scan_rtx_address): Initialize a variable to shut up
10140 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
10142 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
10143 (rs6000_legitimate_small_data_p): Delete.
10144 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
10145 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
10146 and make static. Add forward declaration. Update uses.
10147 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
10148 of offsettable_memref_p.
10149 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
10150 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
10152 2006-03-24 Jeff Law <law@redhat.com>
10154 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
10155 around bug in immediate-use iterator.
10157 2006-03-24 Alan Modra <amodra@bigpond.net.au>
10160 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
10161 or __LITTLE_ENDIAN__.
10163 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
10165 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
10166 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
10167 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
10168 * config/sh/sh.opt (mdiv=): Amend description.
10169 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
10170 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
10171 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
10172 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
10173 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
10174 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
10175 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
10176 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
10177 TARGET_DIVIDE_CALL_FP.
10179 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10181 * haifa-sched.c (choose_ready): Fix type of the local variable.
10182 Move local variables. Add comment.
10183 (check_reg_live): Change signature. Make callable from debugger.
10184 * sched-int.h (check_reg_live): Update signature.
10185 * sched-ebb.c (check_reg_live): Update parameters.
10186 * sched-rgn.c (check_reg_live): Ditto.
10187 (region_head_or_leaf_p): Check pointer before dereferencing.
10188 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
10189 before reload on optimization levels below 1.
10191 2006-03-23 Richard Henderson <rth@redhat.com>
10193 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
10197 * config/alpha/predicates.md (local_symbolic_operand): Reject
10200 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
10203 * tree-ssa-pre.c (create_value_expr_from): Don't reject
10204 expressions which have overflowed constants.
10206 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10208 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
10210 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10212 * cfgloopmanip.c (create_loop_notes): Removed.
10213 * final.c (final_scan_insn): Do not handle loop notes.
10214 * jump.c (squeeze_notes): Ditto.
10215 * cfglayout.c (skip_insns_after_block,
10216 duplicate_insn_chain): Ditto.
10217 * cfgcleanup.c (rest_of_handle_jump2): Do not call
10219 * cfgloop.h (create_loop_notes): Declaration removed.
10221 2006-03-23 Richard Sandiford <richard@codesourcery.com>
10223 * varasm.c (output_constant_pool): Restore fnname and fndecl
10225 (assemble_start_function): Adjust call accordingly.
10226 (assemble_end_function): Likewise.
10228 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10231 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
10234 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
10236 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10239 * system.h (ICE_EXIT_CODE): New macro.
10240 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
10241 (diagnostic_action_after_output): Likewise.
10242 * gcc.c (fatal_ice): New function.
10243 (execute): Use it instead of fatal.
10244 (fancy_abort): Likewise.
10245 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
10247 2006-03-22 Jeff Law <law@redhat.com>
10249 * loop-unroll.c (analyze_iv_to_split_insn): Handle
10250 iv_analyze_result returning false.
10252 2006-03-22 Jie Zhang <jie.zhang@analog.com>
10254 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
10256 2006-03-22 Richard Henderson <rth@redhat.com>
10258 PR middle-end/26084
10259 * except.c (duplicate_eh_regions_0): New.
10260 (duplicate_eh_region_1): Duplicate the children of the node as
10261 well as the node itself. Link them up properly.
10262 (duplicate_eh_region_2): Merge into ...
10263 (duplicate_eh_regions): ... here. Take copy_region argument, and
10264 copy only a sub-tree if asked. Simplify copying and fixup.
10265 (eh_region_outer_p): New.
10266 * except.h (duplicate_eh_regions): Update decl.
10267 (eh_region_outer_p): Declare.
10268 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
10269 (lower_omp_master): Likewise.
10270 (lower_omp_ordered): Likewise.
10271 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
10272 (move_stmt_r): Use it to remap labels. Handle recursion vs
10273 remap_decls_p properly.
10274 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
10275 (find_outermost_region_in_block): New.
10276 (new_label_mapper): New.
10277 (move_sese_region_to_fn): Copy eh information to the new function
10279 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
10281 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
10284 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10286 * doc/md.texi (-mshared): Mention that -mshared code can be linked
10287 into shared libraries.
10289 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10291 * doc/md.texi: Refer to i386/constraints.md instead of
10292 i386/predicates.md.
10293 * config/i386/constraints.md: New file, extracted from...
10294 * config/i386/predicates.md: ...here.
10295 * config/i386/i386.md: Include constraints.md.
10297 2006-03-21 Jason Merrill <jason@redhat.com>
10299 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
10301 PR middle-end/20297
10302 * expr.c (init_block_move_fn): Force default visibility.
10303 (init_block_clear_fn): Likewise.
10304 * builtins.c (expand_builtin_fork_or_exec): Likewise.
10305 * targhooks.c (default_external_stack_protect_fail): Likewise.
10307 2006-03-21 Richard Sandiford <richard@codesourcery.com>
10309 * config/mips/predicates.md (const_call_insn_operand): Allow direct
10310 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
10311 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
10312 Use TARGET_OLDABI instead of !TARGET_NEWABI.
10313 (loadgp): Use mips_current_loadgp_style.
10314 (loadgp_noshared): New pattern.
10315 (sibcall_internal): Use MIPS_CALL.
10316 (sibcall_value_internal): Likewise.
10317 (sibcall_value_multiple_internal): Likewise.
10318 (call_internal): Likewise.
10319 (call_value_internal): Likewise.
10320 (call_value_multiple_internal): Likewise.
10321 (call_split): Use MIPS_CALL and add an 'S' constraint.
10322 (call_value_split): Likewise.
10323 (call_value_multiple_split): Likewise.
10324 * config/mips/mips.opt (-mabicalls): Tweak docstring.
10325 (-mshared): New option.
10326 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
10327 (mips_current_loadgp_style): Declare.
10328 * config/mips/mips.c (mips_classify_symbol): Avoid using
10329 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
10330 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
10331 TARGET_ABSOLUTE_ABICALLS.
10332 (override_options): Adjust comments. Improve the warning that is
10333 issued when -mabicalls and -G are used together.
10334 (mips_file_start): Remove comment.
10335 (mips_current_loadgp_style): New function.
10336 (mips_gnu_local_gp): New variable.
10337 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
10339 (mips_output_function_prologue): Use mips_current_laodgp_style.
10340 (mips_expand_prologue): Call mips_emit_loadgp before emitting
10341 the cprestore instruction.
10342 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
10343 live for TARGET_ABSOLUTE_ABICALLS.
10344 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
10345 (ASM_SPEC): Pass down -mshared and -mno-shared.
10346 (MIPS_CALL): New macro.
10347 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
10349 * doc/invoke.texi (-mabicalls): Update documentation.
10350 (-mshared): Document.
10352 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10354 * config/ia64/unwind-hpux.c: New file.
10355 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
10357 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10360 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
10362 2006-03-21 Jeff Law <law@redhat.com>
10364 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
10365 type conversions of a VR_VARYING source to a wider type.
10367 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10369 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
10370 tm_file on Solaris 10 and later.
10371 (sparc64-*-solaris2*): Likewise.
10372 (sparc-*-solaris2*): Likewise.
10373 * config/sol26.h: Rename to config/sol2-6.h.
10374 * config/sol2-10.h: New file.
10376 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
10379 * tree-ssa-pre.c (create_component_ref_by_pieces):
10382 2006-03-21 Jakub Jelinek <jakub@redhat.com>
10385 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
10386 return it immediately.
10388 2006-03-21 Michael Matz <matz@suse.de>
10390 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
10392 (remove_arc, add_arc): Update num_out_arcs member.
10393 (set_out_arc_insns_equiv_num): Returns nothing instead of number
10395 (cache_presence): New function.
10396 (compare_states_for_equiv): New function.
10397 (state_is_differed): Don't take number of outargs, adjust callers.
10398 Use new invariant for speeding up.
10399 (init_equiv_class): Create initial classes based on sorted
10401 (partition_equiv_class): Don't track out_arcs_num.
10402 (evaluate_equiv_classes): Call cache_presence on all states and
10405 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
10407 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
10408 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
10409 (bfin_valid_reg_p): Test for pseudos explicitly and use only
10410 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
10412 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
10413 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
10414 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
10415 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
10416 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
10418 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
10419 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
10420 (REGNO_REG_CLASS): ARGP is in PREGS.
10421 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
10423 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
10424 to deal with those addresses.
10425 * addresses.h: New file.
10426 * caller-save.c: Include "addresses.h".
10427 (init_caller_save): Use new base_reg_class function.
10428 * rtl-factoring.c: Include "addresses.h".
10429 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
10430 * recog.c: Include "addresses.h".
10431 (preprocess_constraints): Use new base_reg_class function.
10432 * regrename.c: Include "addresses.h".
10433 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
10434 functions. Keep track of a new var INDEX_CODE to compute valid
10436 (replace_oldest_value_addr): Likewise.
10437 (replace_oldest_value_mem): Use base_reg_class.
10438 * reload.c: Include "addresses.h".
10439 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
10440 (find_reloads): Use new base_reg_class function.
10441 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
10442 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
10443 all callers and prototype changed.
10444 * reload1.c: Include "addresses.h".
10445 (maybe_fix_stack_asms): Use base_reg_class.
10446 * regclass.c: Include "addresses.h".
10447 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
10448 (init_reg_autoinc): Use new base_reg_class function.
10449 (record_reg_classes): Likewise.
10450 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
10451 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
10452 Use new args to compute necessary class.
10454 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
10455 regrename.o, rtl-factoring.o): Update dependencies.
10456 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
10457 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
10458 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
10459 REG_OK_FOR_INDEX_P): Delete documentation.
10461 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
10463 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
10464 from V7 to V9 for Solaris 7 and above.
10466 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
10468 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
10469 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
10470 argument pointers may not alias any other storage.
10471 * common.opt: Define option -fargument-noalias-anything.
10472 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
10473 alias semantics is specified by flag_argument_noalias > 2.
10475 2006-03-20 Jeff Law <law@redhat.com>
10477 * tree-pass.h (pass_phi_only_copy_prop): Delete.
10478 (pass_phi_only_cprop): Declare.
10479 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
10480 with phi_only_cprop
10481 * tree-ssa-dom.c (degenerate_phi_result): New function.
10482 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
10483 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
10484 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
10485 (eliminate_degenerate_phis): Likewise.
10486 (pass_phi_only_cprop): New pass descriptor.
10487 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
10488 support code. Callers updated.
10489 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
10490 (store_copy_prop): Likewise.
10491 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
10493 2006-03-20 Jason Merrill <jason@redhat.com>
10496 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
10497 (push_visibility, pop_visibility): Likewise.
10498 * c-pragma.h: Declare them.
10500 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
10502 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
10504 * config/sh/sh.c (find_regmode_weight): Change the type of the first
10505 parameter and use get_ebb_head_tail.
10506 (sh_md_init_global): Adjust uses of find_regmode_weight.
10508 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
10510 * function.h (struct function) <x_tail_recursion_reentry>:
10511 Rename to x_stack_check_probe_note.
10512 (tail_recursion_reentry): Rename to stack_check_probe_note.
10513 * function.c: Replace tail_recursion_reentry with
10514 stack_check_probe_note everywhere.
10515 (expand_function_start): Only emit a note for
10516 stack_check_probe_note with -fstack-protect.
10517 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
10519 * emit-rtl.c (remove_unnecessary_notes): Remove.
10520 (pass_remove_unnecessary_notes): Remove.
10521 * rtl.h (remove_unnecessary_notes): Remove prototype.
10522 * final.c (final_start_function): Don't call remove_unnecessary_notes.
10523 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
10524 * passes.c (pass_remove_unnecessary_notes): Don't run it.
10526 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
10529 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
10530 (valid_in_set): Handle ARRAY_REF.
10531 Change "if min_variant or VH" to asserts.
10532 (create_component_ref_by_pieces): Handle ARRAY_REF.
10533 (create_expression_by_pieces): Likewise.
10534 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
10536 2006-03-20 David Edelsohn <edelsohn@gnu.org>
10538 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
10539 is operand of switch, not str[0].
10541 2006-03-20 Alan Modra <amodra@bigpond.net.au>
10543 * config/rs6000/rs6000.c (rs6000_handle_option): Use
10544 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
10546 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10548 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
10549 end of insn_extra_address_constraint declaration.
10551 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10553 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
10554 (no-sum-in-toc): Same.
10555 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
10557 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
10558 NO_FP_IN_TOC for -fPIC instead of mask.
10560 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
10561 (BOOT_LDFLAGS): Delete.
10563 * config/rs6000/t-aix52: Same.
10565 * config/rs6000/rs6000.md (store_multiple_power): Delete.
10566 (stmsi[345678]_power): New.
10568 2006-03-17 Steve Ellcey <sje@cup.hp.com>
10570 * config/ia64/ia64.opt: Add empty line to end of file.
10572 2006-03-17 Richard Guenther <rguenther@suse.de>
10574 PR middle-end/26721
10575 * builtins.c (get_pointer_alignment): For component style references
10576 adjust alignment to the component type alignment. Make sure
10577 to adjust alignment for component access of constants.
10579 2006-03-17 David Edelsohn <edelsohn@gnu.org>
10581 * config/rs6000/rs6000.md (strlensi): Emit barrier after
10582 unconditional jump.
10584 2006-03-17 Paul Brook <paul@codesourcery.com>
10586 * doc/install.texi: Docuemnt --with-mode.
10587 * config.gcc: Add --with-mode for arm*-*-*.
10588 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
10590 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
10592 * sh.c (max_labelno_before_reorg): New variable.
10593 (sh_reorg): Initialize it.
10594 (find_barrier): Check max_labelno_before_reorg before using
10595 label_to_alignment. Take length of explicit alignment insns
10596 into account. When seeing a UNSPECV_CONST_END, return it.
10598 * sh.c (fixup_mova): Set mode of affected label to QImode.
10599 (untangle_mova): New function.
10600 (find_barrier): Use it. Check mode of label before decrementing
10602 (sh_reorg): Likewise.
10603 Set mode of all insns back to VOIDmode.
10605 * sh.c (MOVA_LABELREF): New macro.
10606 (mova_p, fixup_mova, sh_reorg): Use it.
10607 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
10608 ADDR_DIFF_VEC matches mova.
10610 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
10612 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
10613 with ATTRIBUTE_UNUSED.
10615 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
10617 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
10618 pointer, instead of assuming it is possible to derive the
10619 correct args size from a call insn.
10621 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10623 * rtl.h (CONST_INT_P): Define.
10624 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
10625 instead of GET_CODE(x) == CONST_INT.
10626 (vax_rtx_costs): Likewise.
10627 (vax_output_int_move): Likewise.
10628 (vax_output_int_add): Likewise.
10629 (legitimate_constant_address_p): Likewise.
10630 (index_term_p): Likewise.
10631 * config/vax/vax.h (PRINT_OPERAND): Likewise.
10632 * config/vax/vax.md (and<mode>3): Likewise.
10633 (ashrsi3): Likewise.
10635 (movstricthi): Likewise.
10636 (movstrictqi): Likewise.
10637 (rotrsi3): Likewise.
10638 (five unnamed insns): Likewise.
10640 2006-03-16 Geoffrey Keating <geoffk@apple.com>
10642 * doc/tm.texi (SDB and DWARF): Add extra parameter to
10643 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
10644 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10645 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10646 Pass to ASM_OUTPUT_DWARF_OFFSET.
10647 * dwarf2out.c (debug_frame_section): New.
10648 (output_call_frame_info): Use debug_frame_section. Pass it to
10649 dw2_asm_output_offset.
10650 (output_die): Pass appropriate section to dw2_asm_output_offset.
10651 (output_compilation_unit_header): Likewise.
10652 (output_pubnames): Likewise.
10653 (output_aranges): Likewise.
10654 (enum dw_val_class): Break dw_val_class_lbl_offset into
10655 dw_val_class_lineptr and dw_val_class_macptr.
10656 (add_AT_lbl_offset): Delete.
10657 (add_AT_lineptr): New.
10658 (add_AT_macptr): New.
10659 (AT_lbl): Expect a lineptr or macptr.
10660 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10661 (attr_checksum): Likewise.
10662 (same_dw_val_p): Likewise.
10663 (size_of_die): Likewise.
10664 (value_format): Likewise.
10665 (output_die): Likewise.
10666 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10668 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10669 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10670 * config/darwin-protos.h (darwin_file_start): New.
10671 (darwin_asm_output_dwarf_offset): New.
10672 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10673 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10675 * config/darwin.c (darwin_emit_unwind_label): Don't output label
10676 if not EH section; simplify.
10677 (darwin_file_start): New.
10678 (darwin_asm_output_dwarf_offset): New.
10679 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10681 (DEBUG_INFO_SECTION): Likewise.
10682 (DEBUG_ABBREV_SECTION): Likewise.
10683 (DEBUG_ARANGES_SECTION): Likewise.
10684 (DEBUG_MACINFO_SECTION): Likewise.
10685 (DEBUG_LINE_SECTION): Likewise.
10686 (DEBUG_LOC_SECTION): Likewise.
10687 (DEBUG_PUBNAMES_SECTION): Likewise.
10688 (DEBUG_STR_SECTION): Likewise.
10689 (DEBUG_RANGES_SECTION): Likewise.
10690 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10691 (ASM_OUTPUT_DWARF_OFFSET): New.
10693 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10695 * config.gcc (tm_defines): Always add to previous value rather
10698 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10700 * config/mips/predicates.md (splittable_const_int_operand): New,
10701 split from move_operand.
10702 (splittable_symbolic_operand): New.
10703 (move_operand): Add commentary. Use splittable_const_int_operand.
10704 Inline mips_atomic_symbolic_constant_p.
10705 * config/mips/mips.md: Add combine splitters for handling moves
10706 of splittable_const_int_operands and splittable_symbolic_operands.
10707 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10708 (mips_split_symbol): Declare.
10709 (mips_move_integer): Declare.
10710 * config/mips/mips.c (mips_split_p): Make global.
10711 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10712 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10713 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10714 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10715 (mips_offset_within_object_p): Handle block symbols.
10716 (mips_atomic_symbolic_constant_p): Delete.
10717 (mips_cannot_force_const_mem): Return false for constants that
10718 mips_legitimize_move can handle.
10719 (mips_use_blocks_for_constant_p): New function.
10720 (mips_split_symbol): Make global.
10721 (mips_move_integer): Likewise. Add a temporary register argument.
10722 (mips_legitimize_const_move): Use splittable_const_int_operand and
10723 splittable_symbolic_operand.
10724 (mips_use_anchors_for_symbol_p): New function.
10725 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10726 (mips_split_p): Declare.
10728 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10730 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10731 (mips*-*-linux*): Likewise.
10733 2006-03-16 Roger Sayle <roger@eyesopen.com>
10734 Daniel Speyer <dspeyer@wam.umd.edu>
10736 PR middle-end/18259
10737 * tree-dump.c (dump_real): New function.
10738 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10739 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10740 (tree-dump.o): Add $(REAL_H) to the dependencies.
10742 2006-03-16 Roger Sayle <roger@eyesopen.com>
10744 PR middle-end/21781
10745 * real.c (real_from_string): If the mantissa is zero, don't bother
10746 parsing the exponent as the result should always be zero.
10748 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10750 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10752 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10754 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10755 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10756 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10757 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10758 ia64_sched_finish_global): New static functions to implement
10759 hooks from gcc_target.sched.
10760 (spec_check_no, max_uid, pending_data_specs): New static variables.
10761 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10762 ia64_spec_check_src_p): New static functions.
10763 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10764 (TARGET_SCHED_ADJUST_COST): Removed.
10765 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10766 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10767 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10768 TARGET_SCHED_GEN_CHECK,
10769 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10770 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10771 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10772 Fixed to handle speculation checks.
10773 (rtx_needs_barrier): Fixed to handle speculative loads and
10775 (ia64_variable_issue): Added code to count speculative loads and their
10777 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10779 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10781 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10783 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10784 (ia64_reorg): Reset stops_p to NULL after it is freed.
10785 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10786 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10787 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10789 (data_speculative, control_speculative, check_load): New attributes.
10790 (mov<mode>_advanced, mov<mode>_speculative,
10791 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10792 zero_extend<mode>di2_speculative,
10793 zero_extend<mode>di2_speculative_advanced): New patterns for
10794 data and control speculative loads.
10795 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10797 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10798 New pattern for data and control speculation checks.
10799 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10800 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10801 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10802 Auxiliary definitions for the patterns.
10803 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10804 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10806 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10808 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10809 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10810 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10811 New resource constraints.
10812 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10814 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10815 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10816 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10817 msched-in-control-spec, msched-ldc, msched-control-ldc,
10818 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10819 msched-prefer-non-control-spec-insns,
10820 msched-count-spec-in-critical-path): New flags to tune speculative
10822 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10823 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10824 msched-in-control-spec, msched-ldc, msched-control-ldc,
10825 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10826 msched-prefer-non-control-spec-insns,
10827 msched-count-spec-in-critical-path): Document new flags.
10829 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10831 * target.h (struct spec_info_def): New opaque declaration.
10832 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10833 speculate_insn, needs_block_p, gen_check,
10834 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10835 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10836 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10837 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10838 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10839 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10841 (TARGET_SCHED): Use new macros.
10842 * rtl.h (copy_DEPS_LIST_list): New prototype.
10843 * sched-int.h (struct sched_info): Change signature of new_ready field,
10844 adjust all initializations. New fields: add_remove_insn,
10845 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10846 region_head_or_leaf_p.
10847 (struct spec_info_def): New structure declaration.
10848 (spec_info_t): New typedef.
10849 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10850 recovery_block, orig_pat.
10851 (glat_start, glat_end): New variables declaraions.
10852 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10854 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10855 DETACH_LIFE_INFO, USE_GLAT.
10856 (enum SPEC_SCHED_FLAGS): New enumeration.
10857 (NOTE_NOTE_BB_P): New macro.
10858 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10859 attach_life_info, debug_spec_status, check_reg_live): New functions.
10860 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10861 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10863 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10864 * ddg.c (get_block_head_tail): Adjust all uses.
10865 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10866 (sms_sched_info): Initialize new fields.
10867 (contributes_to_priority): Removed.
10868 * haifa-sched.c (params.h): New include.
10869 (get_block_head_tail): Adjust all uses.
10870 (ISSUE_POINTS): New macro.
10871 (glat_start, glat_end): New global variables.
10872 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10873 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10874 old_last_basic_block, before_recovery, current_sched_info_var,
10875 rgn_n_insns, luid): New static variables.
10876 (insn_cost1): New function. Move logic from insn_cost to here.
10877 (find_insn_reg_weight1): New function. Move logic from
10878 find_insn_reg_weight to here.
10879 (reemit_notes, move_insn, max_issue): Change signature.
10880 (move_insn1): Removed.
10881 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10882 extend_bb): New static functions to support extension of scheduler's
10884 (generate_recovery_code, process_insn_depend_be_in_spec,
10885 begin_speculative_block, add_to_speculative_block,
10886 init_before_recovery, create_recovery_block, create_check_block_twin,
10887 fix_recovery_deps): New static functions to support
10888 generation of recovery code.
10889 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10890 restore_bb_notes, move_block_after_check, move_succs): New static
10891 functions to support ebb scheduling.
10892 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10893 functions to support handling of register live information.
10894 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10895 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10896 add_jump_dependencies): New static functions.
10897 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10898 consistancy checking.
10899 (debug_spec_status): New function to call from debugger.
10900 (priority): Added code to handle speculation checks.
10901 (rank_for_schedule): Added code to distinguish speculative instructions.
10902 (schedule_insn): Added code to handle speculation checks.
10903 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10904 Fixed to handle ebbs.
10905 (move_insn): Added code to handle ebb scheduling.
10906 (max_issue): Added code to use ISSUE_POINTS of instructions.
10907 (choose_ready): Added code to choose between speculative and
10908 non-speculative instructions.
10909 (schedule_block): Added code to handle ebb scheduling and scheduling of
10910 speculative instructions.
10911 (sched_init): Initialize new variables.
10912 (sched_finish): Free new variables. Print statistics.
10913 (try_ready): Added code to handle speculative instructions.
10914 * lists.c (copy_DEPS_LIST_list): New function.
10915 * sched-deps.c (extend_dependency_caches): New function. Move logic
10916 from create_dependency_caches to here.
10917 (get_dep_weak, ds_merge): Make global.
10918 * genattr.c (main): Code to output prototype for
10919 dfa_clear_single_insn_cache.
10920 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10921 (output_dfa_clean_insn_cache_func): Code to output
10922 dfa_clear_single_insn_cache function.
10923 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10925 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10927 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10928 New static variables.
10929 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10930 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10932 (ebb_sched_info): Initialize new fields.
10933 (get_block_head_tail): Adjust all uses.
10934 (compute_jump_reg_dependencies): Fixed to use glat_start.
10935 (schedule_ebb): Code to remove unreachable last block.
10936 (schedule_ebbs): Added code to update register live information.
10937 * sched-rgn.c (region_sched_info): Initialize new fields.
10938 (get_block_head_tail): Adjust all uses.
10939 (last_was_jump): Removed. Adjust users.
10940 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10941 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10942 Implement new hooks.
10943 (check_dead_notes1): New static function.
10944 (struct region): New fields: dont_calc_deps, has_real_ebb.
10945 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10946 (BB_TO_BLOCK): Fixed to handle EBBs.
10947 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10948 (ebb_head): New static variable.
10949 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10950 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10952 (compute_dom_prob_ps): New assertion.
10953 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10954 global_live_at_start.
10955 (init_ready_list): New assertions.
10956 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10957 (new_ready): Add support for BEGIN_CONTROL speculation.
10958 (schedule_insns): Fixed code that updates register live information
10960 (schedule_region): Fixed to handle EBBs.
10961 (init_regions): Use extend_regions and check_dead_notes1.
10962 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10963 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10964 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10965 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10966 TARGET_SCHED_GEN_CHECK,
10967 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10968 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10969 * doc/invoke.texi (max-sched-insn-conflict-delay,
10970 sched-spec-prob-cutoff): Document.
10972 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10974 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10975 inter_tick, queue_index.
10976 (struct sched_info): Change signature of init_ready_list field.
10977 Adjust all initializations.
10978 (RESOLVED_DEPS): New access macro.
10979 (ready_add): Remove prototype.
10980 (try_ready): Add prototype.
10981 * sched-rgn.c (init_ready_list): Use try_ready.
10982 (schedule_region): Initialize
10983 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10984 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10985 (init_ready_list): Use try_ready.
10986 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10987 * lists.c (remove_list_elem): Remove `static'.
10988 (remove_free_INSN_LIST_elem): New function.
10989 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10990 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10991 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10993 (readyp): New variable.
10994 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10995 change_queue_index, resolve_dep): New static functions.
10996 (try_ready): New function. Adjust callers in sched-rgn.c and
10997 sched-ebb.c to use it instead of ready_add.
10998 (clock_var): Move at the begining of file.
10999 (rank_for_schedule): Fix typo.
11000 (queue_insn): Add assertion. Handle QUEUE_INDEX.
11001 (ready_lastpos): Enforce assertion.
11002 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
11003 update all callers.
11004 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
11005 (schedule_insn): Rewrite to use try_ready and resolve_dep.
11006 (queue_to_ready): Use free_INSN_LIST_list.
11007 (early_queue_to_ready): Fix typo.
11008 (schedule_block): Init readyp. Move init_ready_list call after the
11009 initialization of clock_var. Fix error in rejecting insn by
11010 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
11011 that previously corrected INSN_TICKs. Add code for handling
11013 (set_priorities): Fix typo.
11014 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
11015 Clarify comment and code that keeps current_sched_info->next_tail
11018 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11020 * sched-rgn.c (extend_rgns): New static function.
11021 (find_rgns): Use it.
11022 (gather_region_statistics, print_region_statistics): New static
11024 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
11025 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11027 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11028 Andrey Belevantsev <abel@ispras.ru>
11030 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
11031 * lists.c (unused_deps_list): New variable.
11032 (free_list): Add assertions to verify the proper distinguishing
11033 between INSN_LISTs and DEPS_LISTs.
11034 (find_list_elem, remove_list_elem, remove_list_node): New static
11036 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
11037 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
11038 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
11039 (alloc_INSN_LIST): Assert that the list we're working on is indeed
11041 (free_INSN_LIST_node): Likewise.
11042 * modulo-sched.c (current_sched_info): Initialize flags field.
11043 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
11044 * rtl.def (DEPS_LIST): Define.
11045 * rtl.h: Declare new functions from lists.c.
11046 * sched-deps.c (spec_dependency_cache): New static variable.
11047 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
11048 (add_dependence): Change return type to void. Move the logic to ...
11049 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
11050 (delete_all_dependences): Add comment about forward_dependency_cache.
11051 Handle spec_dependency_cache. Handle DEPS_LISTs.
11052 (fixup_sched_groups): Clarify the change of priority of output
11053 and anti dependencies.
11054 (sched_analyze_2): Adjust add_dependence calls to create data
11055 speculative dependence.
11056 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
11057 Adjust all callers. Handle DEPS_LISTS.
11058 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
11059 presence of speculation.
11060 (init_dependency_caches, free_dependency_caches):
11061 Handle spec_dependency_cache.
11062 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
11063 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
11064 New static functions.
11065 (add_or_update_back_dep, add_or_update_back_forw_dep,
11066 add_back_forw_dep, delete_back_forw_dep): New functions.
11067 * sched-int.h (ds_t, dw_t): New typedefs.
11068 (struct sched_info): Add new field flags.
11069 (struct haifa_insn_data): Add new bitfield has_internal_dep.
11070 Prototype new sched-deps.c functions.
11071 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
11072 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
11073 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
11074 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
11075 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
11076 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
11078 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
11080 * sched-rgn.c (current_sched_info): Initialize flags field.
11081 (schedule_insns): Initialize current_sched_info before the sched_init
11083 * sched-ebb.c (current_sched_info): Initialize flags field.
11084 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
11085 Call add_or_update_back_dep instead of add_dependence.
11086 Create control speculative dependencies.
11087 (schedule_insns): Initialize current_sched_info before the sched_init
11090 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
11092 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
11094 (sh_fallback_frame_state): Likewise.
11096 2006-03-15 Geoffrey Keating <geoffk@apple.com>
11098 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
11099 Do switch on default_use_cxa_atexit.
11100 (powerpc*-*-darwin*): Build crt2.o on powerpc.
11101 * config/darwin-crt3.o: New.
11102 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
11103 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
11104 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
11106 * config/rs6000/t-darwin: Move crt2.o building to here.
11107 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
11108 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
11111 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11113 * config/vax/vax.c (nonindexed_address_p): Change logical negation
11114 from '! xxx' to '!xxx' for coding-style conformance.
11115 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
11116 (EXTRA_CONSTRAINT): Likewise.
11117 * config/vax/vax.md (four unnamed insns): Likewise.
11119 2006-03-15 Paul Brook <paul@codesourcery.com>
11121 * config/arm/arm.c (minipool_pad): New.
11122 (add_minipool_forward_ref): Include pool alignment padding in address
11124 (push_minipool_fix): Set minipool_pad.
11125 (minipool_pad): Ditto.
11127 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11129 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
11130 instead of GET_CODE() == MEM and REG_P() instead of
11132 (print_operand_address): Likewise.
11133 (vax_address_cost): Likewise.
11134 (vax_rtx_costs): Likewise.
11135 (vax_notice_update_cc): Likewise.
11136 (vax_output_int_add): Likewise.
11137 (INDEX_REGISTER_P): Likewise.
11138 (BASE_REGISTER_P): Likewise.
11139 (nonindexed_address_p): Likewise.
11140 (vax_mode_dependent_address_p): Likewise.
11141 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
11142 (PRINT_OPERAND): Likewise.
11143 * config/vax/vax.md (ashlsi3): Likewise.
11144 (ashlsi3): Likewise.
11145 (some more unnamed insns): Likewise.
11147 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
11149 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
11150 iterator-style macro.
11151 (mark_control_dependent_edges_necessary): Update the use of
11152 EXECUTE_IF_CONTROL_DEPENDENT.
11154 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
11156 * config/sh/predicates.md (cache_address_operand): Special.
11157 (ua_address_operand): Likewise.
11159 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
11161 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
11163 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
11165 2006-03-15 Andreas Schwab <schwab@suse.de>
11167 * gensupport.c (identify_predicable_attribute): Don't free p_false
11168 when it is still in use.
11170 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
11172 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
11173 the default setting here.
11175 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
11177 * tree-pass.h (pass_cfg): Remove.
11178 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
11179 * passes.c (pass_cfg): Don't run it.
11181 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
11183 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
11184 * reg-stack.c (stack_regs_mentioned_data): Change the type to
11186 (stack_regs_mentioned): Update the uses of
11187 stack_regs_mentioned_data. Don't access the array beyond its
11189 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
11190 Don't include gt-reg-stack.h.
11192 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
11193 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
11195 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
11197 PR middle-end/26684
11198 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
11201 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11203 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
11205 2006-03-14 Richard Guenther <rguenther@suse.de>
11207 PR tree-optimization/26672
11208 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
11211 2006-03-14 Richard Guenther <rguenther@suse.de>
11213 PR tree-optimization/26667
11214 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
11215 node for the callees. Always allow inlining if it will shrink
11218 2006-03-14 Richard Guenther <rguenther@suse.de>
11220 PR middle-end/26659
11221 * builtins.c (get_pointer_alignment): Prefer alignment
11222 information from decls over that from types.
11224 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
11227 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
11229 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
11231 * config/rs6000/rs6000.opt (mdlmzb): New option.
11232 (msched-prolog, msched-epilog): Use Var not Mask.
11233 * doc/invoke.texi (-mdlmzb): Document.
11234 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11236 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
11237 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
11239 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
11241 PR rtl-optimization/25739
11242 * bt-load.c (augment_live_range): Free tos pointer.
11244 * gensupport.c (identify_predicable_attribute): Free
11246 * gcov.c (create_file_names): Free name pointer.
11248 2006-03-13 Roger Sayle <roger@eyesopen.com>
11250 PR middle-end/26557
11251 * stmt.c (emit_case_nodes): Handle the case where the index is a
11252 CONST_INT, where the comparison mode is specified by the index type.
11254 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11256 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
11259 2006-03-13 Richard Sandiford <richard@codesourcery.com>
11261 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
11262 (*branch_fp_inverted): Likewise.
11264 2006-03-13 Jakub Jelinek <jakub@redhat.com>
11266 PR middle-end/25989
11267 * omp-low.c (expand_omp_for_generic): Mark istart0
11268 and iend0 as addressable.
11270 2006-03-13 Jie Zhang <jie.zhang@analog.com>
11272 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
11274 2006-03-13 Jeff Law <law@redhat.com>
11276 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
11277 virtual operands are interesting.
11278 (vrp_visit_stmt): Corresponding changes.
11280 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
11282 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
11284 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
11285 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
11286 * config/bfin/crti.S: Use it instead of __PIC__.
11287 * config/bfin/crtn.S: Likewise.
11289 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
11290 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
11292 Lose 'G' modifier for call operand.
11293 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
11294 recognize 'G' modifier.
11296 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
11298 PR middle-end/18859
11299 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
11300 * stmt.c (expand_case): Likewise.
11302 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11304 PR rtl-optimization/26254
11305 * loop-invariant.c (seq_insns_valid_p): New function.
11306 (move_invariant_reg): Only emit new code if it is valid.
11308 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11310 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
11312 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
11313 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
11314 (commit_one_edge_insertion): Do not look for loop notes.
11316 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11318 * jump.c (follow_jumps): Do not check for loop notes. Move check for
11319 flag_test_coverage out of loop.
11321 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11323 * final.c (shorten_branches): Remove outdated comment, and turn
11324 the if branch that guards it to continue.
11326 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11328 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
11329 * cfgloop.h (struct loop): Remove unused fields.
11331 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
11333 * doc/invoke.texi (-fdump-rtl-loop): Remove.
11334 (-dL, -fdump-rtl-loop2): Update the dump file names
11336 * doc/invoke.texi: Update dump file names.
11338 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
11340 * predict.c (estimate_probability): Remove.
11341 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
11342 * basic-block.h (estimate_probability): Remove prototype.
11343 * passes.c (finish_optimization_passes): Dump branch prediction or
11344 profiling heuristics to the .profile tree dump.
11345 (init_optimization_passes): Unqueue pass_branch_prob.
11347 * doc/invoke.texi (-fdump-rtl-bp): Remove.
11349 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11351 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
11352 * rtl.h (LABEL_NEXTREF): Remove field accessor.
11354 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
11356 * function.h (frame_offset_overflow): Declare.
11357 * function.c (frame_offset_overflow): New function.
11358 (assign_stack_local_1): Call it to detect that the offset overflows.
11359 * cfgexpand.c (alloc_stack_frame_space): Likewise.
11361 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11363 * config/sh/sh.c: Include alloc-pool.h.
11364 (label_ref_list_pool): New alloc pool.
11365 (label_ref_list_t): New type for lists of labels.
11366 (struct pool_node): Make wend a label_ref_list_t.
11367 (add_constant): Use the new type, eradicate LABEL_NEXTREF
11369 (dump_table): Likewise.
11370 (sh_reorg): Set up the alloc pool before using add_constant and
11371 dump_table, and destroy it when finishing.
11373 2006-03-11 Richard Sandiford <richard@codesourcery.com>
11375 * config/mips/mips.c: Remove redundant comment.
11377 2006-03-10 Jason Merrill <jason@redhat.com>
11380 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
11381 the target was declared 'register'.
11383 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
11385 * genpreds.c (write_insn_constraint_len): Change definition of
11386 insn_constraint_len to return size_t to match the declaration.
11388 2006-03-10 DJ Delorie <dj@redhat.com>
11390 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
11392 (m32c_expand_insv): Fix test for an AND mask.
11394 2006-03-10 Richard Guenther <rguenther@suse.de>
11396 PR middle-end/26565
11397 * builtins.c (get_pointer_alignment): Handle component
11398 references for field alignment.
11400 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11402 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
11403 when building with libgloss.
11404 (sh*elf): Implement --without-fp option.
11405 (sh64-superh-linux*): Don't multilib.
11407 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11409 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
11411 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
11413 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
11414 Set it when one of the replacement functions returned true.
11415 Return TODO_cleanup_cfg if cfgchanged is true.
11416 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
11418 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
11420 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
11421 instead of gen_lowpart.
11423 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11425 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
11427 (mips_output_order_conditional_branch): Declare.
11428 * config/mips/mips.h (MIPS_BRANCH): New macro.
11429 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
11430 for the comparison. Use gen_condjump.
11431 (mips_output_conditional_branch): Rework interface to take the
11432 asm templates for a direct branch and the inverse of a direct branch.
11433 (mips_output_order_conditional_branch): New function.
11434 (mips_builtin_branch_and_move): New function.
11435 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
11436 branch condition. Use gen_single_cc as the condition for
11437 __builtin_mips_upper_* or __builtin_mips_lower_*.
11438 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
11439 Use VOIDmode for the branch condition.
11440 * config/mips/predicates.md (order_operator): New predicate.
11441 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
11442 (branch_fp): Rename to...
11443 (*branch_fp): ...this. Remove mode from comparison operator.
11444 Use new mips_output_conditional_branch interface.
11445 (branch_fp_inverted): Rename to...
11446 (*branch_fp_inverted): ...this and update as for *branch_fp.
11447 (*branch_zero<mode>): Rename to...
11448 (*branch_order<mode>): ...this. Remove mode from comparison operator.
11449 Use mips_output_order_conditional_branch. Only accept ordered
11451 (*branch_zero<mode>_inverted): Rename to...
11452 (*branch_order<mode>_inverted): ...this and update as for
11453 *branch_order<mode>.
11454 (*branch_equality<mode>): Accept zero as the second operand to
11455 the equality operator. Use the new mips_output_conditional_branch
11457 (*branch_equality<mode>_inverted): Likewise.
11458 (condjump): New expander.
11459 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
11461 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
11462 (bc1any2t, bc1any2f): Likewise.
11463 (single_cc): New expander.
11464 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
11466 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11468 * doc/md.texi: Update documentation of MIPS constraints.
11469 * config/mips/constraints.md: New file.
11470 * config/mips/mips.md: Include it.
11471 * config/mips/mips.c (mips_char_to_class): Delete.
11472 (override_options): Don't initialize mips_char_to_class.
11473 * config/mips/mips.h (mips_char_to_class): Delete.
11474 (REG_CLASS_FROM_LETTER): Delete.
11475 (CONST_OK_FOR_LETTER_P): Delete.
11476 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11477 (EXTRA_CONSTRAINT_Y): Delete.
11478 (EXTRA_CONSTRAINT_STR): Delete.
11479 (CONSTRAINT_LEN): Delete.
11480 (EXTRA_MEMORY_CONSTRAINT): Delete.
11482 2006-03-09 Diego Novillo <dnovillo@redhat.com>
11484 * tree-cfg.c (move_block_to_fn): Remove the statements from the
11485 original fn's eh regions.
11487 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
11489 * fold-const.c (build_range_check): Make sure to use a valid type to
11490 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
11493 (range_predecessor): New static function.
11494 (range_successor): Likewise.
11495 (merge_ranges): Use them to compute predecessors and successors of
11498 2006-03-09 Roger Sayle <roger@eyesopen.com>
11500 PR middle-end/26561
11501 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
11502 X op C3, consider whether C3 overflows towards +Inf or -Inf.
11504 2006-03-08 DJ Delorie <dj@redhat.com>
11506 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
11507 (addpsi3): Expand to include memory operands. Remove
11508 reload-specific splits.
11509 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
11510 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
11511 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
11512 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
11513 (shift1_qi, shift1_hi, insv): New.
11514 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
11515 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
11516 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
11518 * config/m32c/m32c-protos.h: Update as needed.
11519 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
11520 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
11521 Fail for unrecognized R* constraints.
11522 (m32c_cannot_change_mode_class): Be more picky about pseudos.
11523 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
11524 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
11526 (m32c_init_libfuncs): New.
11527 (m32c_legitimate_address_p): Add debug wrapper.
11528 (m32c_rtx_costs): New.
11529 (m32c_address_cost): New.
11530 (conversions): Add 'B' prefix.
11531 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
11532 operands, or word regnames for QI operands. 'B' prints bit
11534 (m32c_expand_setmemhi): New.
11535 (m32c_expand_movmemhi): New.
11536 (m32c_expand_movstr): New.
11537 (m32c_expand_cmpstr): New.
11538 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
11539 (m32c_expand_neg_mulpsi3): Handle non-ints.
11540 (m32c_cmp_flg_0): New.
11541 (m32c_expand_movcc): New.
11542 (m32c_expand_insv): New.
11543 (m32c_scc_pattern): New.
11544 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
11545 a0/a1 out of SIregs.
11546 (STORE_FLAG_VALUE): New.
11547 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
11550 * config/m32c/mov.md: Make constraints more liberal.
11551 (zero_extendqihi2): Optimize r0/r1 case.
11552 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
11553 * config/m32c/predicates.md (m32c_any_operand): New.
11554 (m32c_nonimmediate_operand): New.
11555 (m32c_hl_operand): New.
11556 (m32c_r3_operand): New.
11559 (memsym_operand): New.
11560 (memimmed_operand): New.
11561 (a_qi_operand): New.
11562 (m32c_eqne_operator): New.
11563 (m32c_1bit8_operand): New.
11564 (m32c_1bit16_operand): New.
11565 (m32c_1mask8_operand): New.
11566 (m32c_1mask16_operand): New.
11567 * config/m32c/blkmov.md: New file.
11568 * config/m32c/t-m32c (MD_FILES): Add blkmov.
11570 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
11572 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
11573 unsigned to fix signed/unsigned comparison issue in
11574 DWARF2_FRAME_REG_OUT.
11575 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
11576 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
11578 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
11579 of ptr into the ENABLE_CHECKING section.
11581 2006-03-08 Jeff Law <law@redhat.com>
11583 * tree-vrp.c (infer_value_range): Only count pointer uses
11584 and dereferences if -fdelete-null-pointer-checks is enabled.
11586 * tree-vrp.c (find_assert_locations): Infer value ranges for
11587 single use pointers, but do not create ASSERT_EXPRs for them.
11588 When a non-null range is inferred for a pointer, backwards
11589 propagate that range to other equivalent pointers through the
11592 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
11595 * Makefile.in (dvi, html, install-info): Invoke the corresponding
11596 language hook targets.
11597 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
11598 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
11599 if language hook targets were missing.
11601 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
11603 * tree-ssa-opfinalize.h: Removed.
11604 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
11606 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
11607 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
11608 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
11609 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
11610 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
11611 finalize_ssa_v_must_def_ops): New.
11613 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
11615 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
11616 block as parameter.
11618 2006-03-07 Geoffrey Keating <geoffk@apple.com>
11620 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
11622 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
11623 addresses with offsets; reorganize.
11625 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
11626 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
11627 (expand_builtin_init_dwarf_reg_sizes): Likewise.
11629 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
11632 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
11634 2006-03-08 Ben Elliston <bje@au.ibm.com>
11636 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
11638 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
11641 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11644 2006-03-07 Richard Guenther <rguenther@suse.de>
11646 PR tree-optimization/26587
11647 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11649 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11651 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11653 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11655 * hooks.c (hook_bool_mode_rtx_true): New function.
11656 * hooks.h (hook_bool_mode_rtx_true): Declare.
11657 * toplev.c (compile_file): Call output_shared_constant_pool.
11658 * varasm.c (shared_constant_pool): New variable.
11659 (assemble_start_function, assemble_end_function): Remove arguments
11660 from call to output_constant_pool.
11661 (create_constant_pool): New function, split out from...
11662 (init_varasm_status): ...here.
11663 (force_const_mem): Choose between the shared and per-function constant
11664 pools. Set current_function_uses_const_pool when reusing old entries
11665 as well as when creating new ones.
11666 (mark_constant): Ignore data argument.
11667 (mark_constants): Remove pool argument.
11668 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
11669 to decide whether the function uses a constant pool.
11670 (output_constant_pool_contents): New function, split out from...
11671 (output_constant_pool): ...here.
11672 (output_shared_constant_pool): New function.
11673 (init_varasm_once): Initialize shared_constant_pool.
11674 * output.h (output_constant_pool): Delete.
11675 (output_shared_constant_pool): Declare.
11676 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11677 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11679 2006-03-06 Nick Clifton <nickc@redhat.com>
11681 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11682 flag_strength_reduce.
11684 2006-03-06 Ben Elliston <bje@au.ibm.com>
11686 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11687 x86_64-*-linux* configurations.
11689 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11690 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11692 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11694 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11696 * basic-block.h: Remove the extern for
11697 rediscover_loops_after_threading.
11699 * cfgloop.c (cancel_loop): Make it static.
11700 * cfgloop.h: Remove the prototype for cancel_loop.
11702 * flow.c (recompute_reg_usage): Make it static.
11703 * rtl.h: Remove the prototype for recompute_reg_usage.
11705 * function.c (use_return_register): Make it static.
11706 * function.h: Remove the prototype.
11708 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11710 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11712 * recog.h: Remove the prototype for
11713 validate_change_maybe_volatile.
11715 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11717 * rtlanal.c (replace_reg): Remove.
11718 * rtl.h: Remove the prototype for replace_reg.
11720 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11722 * regclass.c (reg_scan_update): Remove.
11723 (reg_scan_mark_refs): Remove the last argument.
11724 * rtl.h: Remove the prototype for reg_scan_update.
11726 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11728 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11729 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11730 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11731 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11732 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11733 loop-invariant.c, omp-low.c, opts.c, passes.c,
11734 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11735 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11736 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11737 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11738 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11739 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11741 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11743 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11744 * dwarf2out.h: Remove the prototype for
11745 dwarf2out_add_library_unit_info.
11747 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11749 * tree.c (add_var_to_bind_expr): Remove.
11750 * tree.h: Remove the prototype for add_var_to_bind_expr.
11752 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11754 * regclass.c (n_non_fixed_regs): Remove.
11755 (init_reg_sets_1, globalize_reg): Remove all uses of
11757 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11759 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11761 * rtlanal.c (insns_safe_to_move_p): Remove.
11762 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11764 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11766 * expmed.c (expand_mult_add): Remove.
11767 * expr.h: Remove the prototype for expand_mult_add.
11769 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11771 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11772 and REG_SAVED_VAL_EXP constants.
11773 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11774 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11775 Handle regs stored by value.
11776 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11777 (execute_cfa_program): Handle DW_CFA_val_offset,
11778 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11779 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11780 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11781 (uw_install_context_1): Handle target regs stored by value.
11783 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11785 * tree-sra.c (tree_sra): Return todoflags;
11786 (generate_one_element): Set TODO_update_smt_usage if needed.
11787 (pass_sra): Remove TODO_update_smt_usage.
11788 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11790 (tree_ssa_forward_propagate_single_use_vars): Return
11791 TODO_update_smt_usage if we need to update SMT usage.
11792 (pass_forwprop): Remove TODO_update_smt_usage.
11794 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11796 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11797 (correct_use_link): Remove reference to get_stmt_operands.
11798 (update_stmt_operands): Likewise.
11799 (get_modify_expr_operands): New function factored out of
11800 parse_ssa_operands and get_expr_operands.
11801 Try to create V_MUST_DEFs for LHS by default.
11802 (get_expr_operands) <case MODIFY_EXPR>: Call
11803 get_modify_expr_operands.
11804 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11805 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11806 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11807 get_modify_expr_operands.
11809 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11811 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11812 * tree-flow.h: Remove the prototype for
11813 referenced_var_lookup_if_exists.
11815 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11817 PR rtl-optimization/26345
11819 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11821 2006-03-03 Roger Sayle <roger@eyesopen.com>
11823 PR tree-optimization/26524
11824 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11825 fold_convert to create a constant of the appropriate type.
11827 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11829 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11830 SYMBOL_REF_IN_BLOCK_P.
11831 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11832 of SYMBOL_FLAG_IN_BLOCK.
11833 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11834 instead of SYMBOL_REF_IN_BLOCK_P.
11835 * explow.c (use_anchored_address): Likewise.
11836 * rtl.c (rtx_size): Likewise.
11837 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11838 instead of SYMBOL_FLAG_IN_BLOCK.
11839 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11840 SYMBOL_REF_IN_BLOCK_P.
11841 (assemble_variable): Likewise.
11842 (output_constant_def_contents): Likewise.
11843 (output_constant_pool): Likewise.
11844 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11845 instead of SYMBOL_FLAG_IN_BLOCK.
11846 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11847 SYMBOL_REF_IN_BLOCK_P.
11848 (SYMBOL_REF_BLOCK): Likewise.
11849 (SYMBOL_REF_OFFSET): Likewise.
11850 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11851 SYMBOL_REF_IN_BLOCK_P.
11852 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11853 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11854 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11855 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11857 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11859 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11861 2006-03-02 Roger Sayle <roger@eyesopen.com>
11863 * simplify-rtx.c (simplify_unary_operation): When simplifying
11864 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11865 that we perform the right shift in the appropriate mode, and
11866 then extend or truncate the result to requested mode.
11868 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11870 * gengtype.c (main): Handle double_int type.
11871 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11872 * double-int.c: New file.
11873 * double-int.h: New file.
11874 * system.h: Include doubleint.h.
11875 * Makefile.in (SYSTEM_H): Include double-int.h.
11876 (double-int.o): Add.
11878 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11881 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11884 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11886 * tree-vrp.c (remove_range_assertions): Do not update statements
11889 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11891 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11893 * gcse.c (rest_of_handle_gcse): Ditto.
11894 * except.c (gate_handle_eh): Ditto.
11895 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11896 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11898 2006-03-02 Eric Christopher <echristo@apple.com>
11900 * config/i386/i386.c (machopic_output_stub): Add indirection to
11903 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11907 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11909 Sun Niagara specific optimizations.
11910 * config.gcc: Recognize niagara as target.
11911 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11912 (TARGET_CPU_niagara): Define.
11913 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11914 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11915 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11916 (ASM_CPU_SPEC): Likewise.
11917 (PROCESSOR_NIAGARA): New enum entry.
11918 (REGISTER_MOVE_COST): Handle Niagara.
11919 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11920 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11921 (sparc_override_options): Recognize "niagara", set appropriate
11922 default MASK_* values for it, and align functions to 32-bytes
11923 by default just like ULTRASPARC/ULTRASPARC3.
11924 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11925 (sparc64_initialize_trampoline): Likewise.
11926 (sparc_use_sched_lookahead): Use zero for niagara.
11927 (sparc_issue_rate): Use one for niagara.
11928 * config/sparc/niagara.md: New file.
11929 * config/sparc/sparc.md: Include it.
11930 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11931 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11932 when default cpu is niagara.
11933 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11934 (ASM_CPU_SPEC): Likewise.
11935 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11936 when default cpu is niagara.
11937 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11938 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11939 just like v9/ultrasparc/ultrasparc3.
11940 * doc/invoke.texi: Add documentation for "niagara" and improve
11941 existing documentation for ultrasparc variants.
11943 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11945 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11947 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11949 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11950 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11951 and say that only one is needed.
11952 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11953 * target.h (have_switchable_bss_sections): New hook.
11954 * explow.c (use_anchored_address): Check that the symbol is in a block.
11955 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11956 (bss_noswitch_section): New variables.
11957 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11958 (get_noswitch_section): New function.
11959 (get_block_for_section): Allow SECT to be null.
11960 (unlikely_text_section_p): Use SECTION_STYLE.
11961 (bss_initializer_p): New function.
11962 (get_variable_section): Move earlier in file. Take a new argument,
11963 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11964 Return one of the new *_sections in such cases.
11965 (get_block_for_decl): New function, extracting some logic from
11966 use_blocks_for_decl_p.
11967 (change_symbol_section): Remove in favor of...
11968 (change_symbol_block): ...this new function.
11969 (use_blocks_for_decl_p): Remove checks now performed by
11970 get_block_for_decl.
11971 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11972 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11973 (emit_local, emit_bss, emit_common): ...these new functions.
11974 Return true if the alignment was honored.
11975 (emit_tls_common): New function.
11976 (asm_emit_uninitialised): Delete.
11977 (assemble_variable_noswitch): New function, split out from...
11978 (assemble_variable): ...here. Don't make decisions about common
11979 variables here. Globalize all public decls that go into non-common
11980 sections. Check whether SYMBOL_REF_BLOCK is null.
11981 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11982 (output_constant_pool): Likewise.
11983 (init_varasm_once): Initialize the new section variables.
11984 (have_global_bss_p): New function.
11985 (categorize_decl_for_section): Use bss_initializer_p.
11986 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11987 (place_block_symbol): Assert that the symbol must be in a block.
11988 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11989 (TARGET_INITIALIZER): Include it.
11990 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11991 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11992 (SECTION_MACH_DEP): Bump by two.
11993 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11994 (unnamed_section): Mention SECTION_UNNAMED in comment.
11995 (named_section): Likewise SECTION_NAMED.
11996 (noswitch_section_callback): New type.
11997 (noswitch_section): New structure.
11998 (section): Add a noswitch_section alternative.
11999 (SECTION_STYLE): New macro.
12000 (tls_comm_section, comm_section, lcomm_section): Declare.
12001 (bss_noswitch_section, have_global_bss_p): Declare.
12002 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12003 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12005 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12006 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12009 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
12011 * tree-vrp.c (execute_vrp): Return value.
12012 * regrename.c (rest_of_handle_regrename): Ditto.
12013 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
12014 * tree-complex.c (tree_lower_complex): Ditto.
12015 (tree_lower_complex_O0): Ditto.
12016 * tracer.c (rest_of_handle_tracer): Ditto.
12017 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
12018 * postreload.c (rest_of_handle_postreload): Ditto.
12019 * tree-tailcall.c (execute_tail_recursion): Ditto.
12020 (execute_tail_calls): Ditto.
12021 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12022 * tree.h (init_function_for_compilation): Ditto.
12023 * ipa-cp.c (ipcp_driver): Ditto.
12024 * tree-scalar-evolution.c (scev_const_prop): Ditto.
12025 * tree-scalar-evolution.h (scev_const_prop): Ditto.
12026 * final.c (compute_alignments): Ditto.
12027 (rest_of_handle_final): Ditto.
12028 (rest_of_handle_shorten_branches): Ditto.
12029 (rest_of_clean_state): Ditto.
12030 * omp-low.c (execute_expand_omp): Ditto.
12031 (execute_lower_omp): Ditto.
12032 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
12033 * ipa-reference.c (static_execute): Ditto.
12034 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
12035 * reorg.c (rest_of_handle_delay_slots): Ditto.
12036 (rest_of_handle_machine_reorg): Ditto.
12037 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
12038 * flow.c (recompute_reg_usage): Ditto.
12039 (rest_of_handle_remove_death_notes): Ditto.
12040 (rest_of_handle_life): Ditto.
12041 (rest_of_handle_flow2): Ditto.
12042 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
12043 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
12044 (do_ssa_store_ccp): Ditto.
12045 (execute_fold_all_builtins): Ditto.
12046 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
12047 * modulo-sched.c (rest_of_handle_sms): Ditto.
12048 * ipa-pure-const.c (static_execute): Ditto.
12049 * cse.c (rest_of_handle_cse): Ditto.
12050 (rest_of_handle_cse2): Ditto.
12051 * web.c (rest_of_handle_web): Ditto.
12052 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
12053 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
12054 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
12055 * tree-nrv.c (tree_nrv): Ditto.
12056 (execute_return_slot_opt): Ditto.
12057 * tree-ssa-alias.c (compute_may_aliases): Ditto.
12058 (create_structure_vars): Ditto.
12059 * loop-init.c (rtl_loop_init): Ditto.
12060 (rtl_loop_done): Ditto.
12061 (rtl_move_loop_invariants): Ditto.
12062 (rtl_unswitch): Ditto.
12063 (rtl_unroll_and_peel_loops): Ditto.
12064 (rtl_doloop): Ditto.
12065 * gimple-low.c (lower_function_body): Ditto.
12066 (mark_used_blocks): Ditto.
12067 * tree-ssa-sink.c (execute_sink_code): Ditto.
12068 * ipa-inline.c (cgraph_decide_inlining): Ditto.
12069 (cgraph_early_inlining): Ditto.
12070 * global.c (rest_of_handle_global_alloc): Ditto.
12071 * jump.c (cleanup_barriers): Ditto.
12072 (purge_line_number_notes): Ditto.
12073 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
12074 (rest_of_handle_if_after_reload): Ditto.
12075 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
12076 (tree_ssa_loop_im): Ditto.
12077 (tree_ssa_loop_unswitch): Ditto.
12078 (tree_vectorize): Ditto.
12079 (tree_linear_transform): Ditto.
12080 (tree_ssa_loop_ivcanon): Ditto.
12081 (tree_ssa_empty_loop): Ditto.
12082 (tree_ssa_loop_bounds): Ditto.
12083 (tree_complete_unroll): Ditto.
12084 (tree_ssa_loop_prefetch): Ditto.
12085 (tree_ssa_loop_ivopts): Ditto.
12086 (tree_ssa_loop_done): Ditto.
12087 * predict.c (tree_estimate_probability): Ditto.
12088 * recog.c (split_all_insns_noflow): Ditto.
12089 (rest_of_handle_peephole2): Ditto.
12090 (rest_of_handle_split_all_insns): Ditto.
12091 * tree-eh.c (lower_eh_constructs): Ditto.
12092 * regmove.c (rest_of_handle_regmove): Ditto.
12093 (rest_of_handle_stack_adjustments): Ditto.
12094 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
12095 * function.c (instantiate_virtual_regs): Ditto.
12096 (init_function_for_compilation): Ditto.
12097 (rest_of_handle_check_leaf_regs): Ditto.
12098 * gcse.c (rest_of_handle_jump_bypass): Ditto.
12099 (rest_of_handle_gcse): Ditto.
12100 * ipa-type-escape.c (type_escape_execute): Ditto.
12101 * alias.c (rest_of_handle_cfg): Ditto.
12102 * tree-if-conv.c (main_tree_if_conversion): Ditto.
12103 * profile.c (rest_of_handle_branch_prob): Ditto.
12104 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
12105 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
12106 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
12107 * tree-dfa.c (find_referenced_vars): Ditto.
12108 * except.c (set_nothrow_function_flags): Ditto.
12109 (convert_to_eh_region_ranges): Ditto.
12110 (rest_of_handle_eh): Ditto.
12111 * emit-rtl.c (unshare_all_rtl): Ditto.
12112 (remove_unnecessary_notes): Ditto.
12113 * except.h (set_nothrow_function_flags): Ditto.
12114 (convert_to_eh_region_ranges): Ditto.
12115 * cfgexpand.c (tree_expand_cfg): Ditto.
12116 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
12117 * tree-ssa-pre.c (do_pre): Ditto.
12118 (execute_fre): Ditto.
12119 * cfgcleanup.c (rest_of_handle_jump): Ditto.
12120 (rest_of_handle_jump2): Ditto.
12121 * tree-sra.c (tree_sra): Ditto.
12122 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
12123 (execute_mudflap_function_decls): Ditto.
12124 * tree-ssa-copy.c (do_copy_prop): Ditto.
12125 (do_store_copy_prop): Ditto.
12126 * ipa-prop.h (ipcp_driver): Ditto.
12127 * cfglayout.c (insn_locators_initialize): Ditto.
12128 * tree-ssa-forwprop.c
12129 (tree_ssa_forward_propagate_single_use_vars): Ditto.
12130 * cfglayout.h (insn_locators_initialize): Ditto.
12131 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
12132 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
12133 (execute_late_warn_uninitialized): Ditto.
12134 * rtl.h (cleanup_barriers): Ditto.
12135 (split_all_insns_noflow): Ditto.
12136 (purge_line_number_notes): Ditto.
12137 (unshare_all_rtl): Ditto.
12138 (remove_unnecessary_notes): Ditto.
12139 (recompute_reg_usage): Ditto.
12140 (variable_tracking_main): Ditto.
12141 * integrate.c (emit_initial_value_sets): Ditto.
12142 * integrate.h (emit_initial_value_sets): Ditto.
12143 * tree-optimize.c (execute_free_datastructures): Ditto
12144 (execute_free_cfg_annotations): Ditto.
12145 (execute_fixup_cfg): Ditto.
12146 (execute_cleanup_cfg_pre_ipa): Ditto.
12147 (execute_cleanup_cfg_post_optimizing): Ditto.
12148 (execute_init_datastructures): Ditto.
12149 * tree-object-size.c (compute_object_sizes): Ditto.
12150 * combine.c (rest_of_handle_combine): Ditto.
12151 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
12152 * bb-reorder.c (duplicate_computed_gotos): Ditto.
12153 (rest_of_handle_reorder_blocks): Ditto.
12154 (rest_of_handle_partition_blocks): Ditto.
12155 * var-tracking.c (variable_tracking_main): Ditto.
12156 * tree-profile.c (tree_profiling): Ditto.
12157 * tree-vect-generic.c (expand_vector_operations): Ditto.
12158 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
12159 * sched-rgn.c (rest_of_handle_sched): Ditto.
12160 (rest_of_handle_sched2): Ditto.
12161 * basic-block.h (free_bb_insn): Ditto.
12162 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
12163 * tree-cfg.c (execute_build_cfg): Ditto.
12164 (remove_useless_stmts): Ditto.
12165 (split_critical_edges): Ditto.
12166 (execute_warn_function_return): Ditto.
12167 (execute_warn_function_noreturn): Ditto.
12168 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
12169 * cfgrtl.c (free_bb_for_insn): Ditto.
12170 * passes.c (execute_one_pass): Run additional
12171 todos returned by execute function.
12172 * tree-pass.h (struct tree_opt_pass): Make execute
12175 2006-03-02 Richard Guenther <rguenther@suse.de>
12177 * tree-ssa-alias.c (find_used_portions): Consider taking
12178 the address as making the variable not write-only.
12180 2006-03-02 Nick Clifton <nickc@redhat.com>
12182 * config.gcc (default_use_cxa_atexit): Extend the description of
12183 this configure variable. Set its default value to "yes" for
12184 Linux, NetBSD and ELF targets on the assumption that they will
12185 use C libraries with the __cxa_atexit function.
12187 2006-03-02 Ben Elliston <bje@au.ibm.com>
12189 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
12190 parameter as unused to suppress a build warning.
12192 2006-03-02 Ben Elliston <bje@au.ibm.com>
12194 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
12197 2006-03-01 Roger Sayle <roger@eyesopen.com>
12200 * gthr-posix.h (__gthrw2): Define to take three parameters, the
12201 declared name, the weak reference name, and the typeof name.
12202 (__gthrw): Avoid expanding the declared name suffix.
12203 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
12205 2006-03-01 Jakub Jelinek <jakub@redhat.com>
12207 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
12209 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
12210 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
12211 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
12212 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
12213 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
12214 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
12215 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
12216 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
12217 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
12218 DW_DS_leading_separate, DW_DS_trailing_separate): New.
12219 (DW_END_default, DW_END_big, DW_END_little): New.
12220 (DW_END_lo_user, DW_END_hi_user): Define.
12221 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
12222 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
12223 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
12226 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12228 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
12230 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
12232 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
12234 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
12236 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
12237 to 'symbol_mem_tag'.
12239 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
12242 2006-03-01 Roger Sayle <roger@eyesopen.com>
12244 * builtins.c (fold_builtin_copysign): Delete unreachable code.
12246 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12249 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
12250 MACHO_DYNAMIC_NO_PIC_P.
12251 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
12253 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12256 * config/darwin-protos.h (darwin_asm_output_anchor):
12258 * config/darwin-sections.def (cstring_section):
12259 Add SECTION_MERGE to the flags.
12260 (literal4_section): Likewise.
12261 (literal8_section): Likewise.
12262 (objc_selector_refs_section): Likewise.
12263 (objc_cls_refs_section): Likewise.
12264 * config/darwin.c (darwin_asm_output_anchor): New
12266 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12268 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
12270 Fix PR tree-optimization/26443
12271 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
12272 to todo and PROP_tmt_usage to properties_destroyed.
12273 * tree-ssa-ccp.c (pass_ccp): Ditto.
12274 (pass_store_ccp): Ditto.
12275 * tree-ssa-dom.c (pass_dominator): Ditto.
12277 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12279 * tree-ssa-operands.c: Cleanup whitespace.
12280 (get_asm_expr_operands): Move before first invocation.
12281 (get_indirect_ref_operands): Likewise.
12282 (get_tmr_operands): Likewise.
12283 (get_call_expr_operands): Likewise.
12284 (append_def): Likewise.
12285 (append_use): Likewise.
12286 (append_v_may_def): Likewise.
12287 (append_v_must_def): Likewise.
12288 (add_call_clobber_ops): Likewise.
12289 (add_call_read_ops): Likewise.
12290 (add_stmt_operand): Likewise.
12291 (add_virtual_operand): Likewise.
12292 (build_ssa_operands): Likewise.
12294 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12296 PR middle-end/26022
12298 PR middle-end/24437
12299 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12300 with a call expr to ...
12301 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12303 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12305 * tree-vrp.c (extract_range_from_assert): Remove special
12306 handling for types with super-types.
12308 2006-03-01 Ben Elliston <bje@au.ibm.com>
12310 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
12311 and powerpc64-*-linux* configurations.
12312 * config/t-dfprules: New file.
12314 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
12315 Compile dfp-bit.c from the source directory using -DWIDTH and
12316 $DFP_CFLAGS to control the compilation of that file, rather than
12317 generating width-specific versions in the build directory.
12318 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
12319 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
12321 2006-02-28 Zack Weinberg <zackw@panix.com>
12323 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
12326 2006-02-28 Eric Christopher <echristo@apple.com>
12328 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
12329 Set up IN_LIBGCC definition of TARGET_64BIT.
12330 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
12332 2006-02-28 Roger Sayle <roger@eyesopen.com>
12334 PR middle-end/14752
12335 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
12336 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
12337 cases via the construction of "expr != 0".
12339 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
12341 * alias.c (alias_invariant, alias_invariant_size): Remove.
12342 (record_base_value): Remove.
12343 (memrefs_conflict_p): Don't look at alias_invariant.
12344 (end_alias_analysis): Don't free it.
12345 * alias.h (record_base_value): Remove prototype.
12347 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
12348 Adam Nemet <anemet@caviumnetworks.com>
12350 * rtl.h (truncated_to_mode): Declare it.
12351 (struct rtl_hooks): Add reg_truncated_to_mode hook.
12352 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
12353 (RTL_HOOKS_INITIALIZER): Include it.
12354 * rtlhooks.c (reg_truncated_to_mode_general): New function.
12355 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
12356 reg_truncated_to_mode.
12357 * rtlanal.c (truncated_to_mode): Define it.
12358 * simplify-rtx.c (simplify_unary_operation_1): Use it.
12360 2006-02-28 Jeff Law <law@redhat.com>
12362 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
12363 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
12364 the range allowed by TYPE_PRECISION.
12366 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
12368 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
12370 PR tree-optimization/26419
12371 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
12374 2006-02-27 Zack Weinberg <zackw@panix.com>
12376 * doc/md.texi: Fix typo in previous change.
12378 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
12382 2006-02-27 Zack Weinberg <zackw@panix.com>
12384 * rtl.def (define_constraint, define_register_constraint)
12385 (define_memory_constraint, define_address_constraint): New MD forms.
12386 * gensupport.c (process_rtx): Put define_constraint etc on the
12388 * genpreds.c (process_define_predicate): Adjust comment. Validate
12389 the name, and call validate_exp to validate the expression.
12390 (mark_mode_tests, write_extract_subexp): Can assume correct input.
12391 (write_predicate_expr): Likewise. NAME argument no longer necessary;
12392 all callers changed.
12393 (validate_exp, needs_variable, struct constraint_data)
12394 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
12395 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
12396 (const_dbl_constraints, constraint_max_namelen)
12397 (have_register_constraints, have_memory_constraints)
12398 (have_address_constraints, have_address_constraints)
12399 (have_extra_constraints, have_const_int_constraints)
12400 (have_const_dbl_constraints, mangle, add_constraint)
12401 (process_define_constraint, process_define_register_constraint)
12402 (write_enum_constraint_num, write_lookup_constraint)
12403 (write_insn_constraint_len, write_regclass_for_constraint)
12404 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
12405 (write_insn_extra_memory_constraint)
12406 (write_insn_extra_address_constraint)
12407 (write_satisfies_constraint_fns): New.
12408 (write_tm_preds_h): If we have new-style constraint definitions,
12409 prototype the functions generated from them, and define the
12410 old constraint interface (still used by generic code) in terms of
12412 (write_insn_preds_c): If we have new-style constraint definitions,
12413 generate all relevant functions from those definitions.
12414 (main): Handle define_constraint etc.
12415 * genoutput.c (struct constraint_data, indep_constraints)
12416 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
12417 (mdep_constraint_len): New data structures and functions, defined
12418 #ifdef USE_MD_CONSTRAINTS.
12419 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
12420 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
12421 use new logic to validate operand constraints against constraint
12423 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
12425 * defaults.h: If none of the old-style constraint macros are
12426 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
12427 old-style macros; and poison REG_CLASS_FROM_LETTER,
12428 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
12430 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
12431 * doc/md.texi: Document new constraint-definition mechanism and the
12432 C interface it provides. Remove references to old mechanism
12433 elsewhere in the document.
12434 (Machine Constraints): Use pathnames relative to gcc directory,
12435 i.e. config/ARCH/FILE. Change i386 section to refer to
12436 config/i386/predicates.md; update that section to match docstrings.
12437 * doc/tm.texi: Move all documentation of the old constraint-
12438 definition macros to their own section, clearly mark as obsolete.
12440 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
12441 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
12443 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
12444 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
12445 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
12446 constraint strings.
12447 (splits and peepholes): Use satisfies_constraint_*.
12448 * config/i386/i386.c (memory_address_length)
12449 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
12451 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12453 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
12454 scalar operation to be put back into the loop.
12456 2006-02-27 Jakub Jelinek <jakub@redhat.com>
12459 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
12460 (extract_cie_info): Handle S flag in augmentation string.
12461 (execute_cfa_program): If context->signal_frame, execute also
12462 fs->pc == context->ra instructions.
12463 (uw_frame_state_for): If context->signal_frame, don't subtract one
12464 from context->ra to find FDE.
12465 (uw_update_context_1): Set context->signal_frame to
12467 (_Unwind_GetIPInfo): New function.
12468 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
12469 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
12471 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
12472 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
12473 * unwind-compat.c (_Unwind_GetIPInfo): New function.
12474 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
12475 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
12476 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
12477 * config/i386/linux-unwind.h (x86_fallback_frame_state,
12478 x86_64_fallback_frame_state): Set fs->signal_frame.
12479 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
12480 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
12481 (frob_update_context): Likewise. Workaround missing S flag in
12482 Linux 2.6.12 - 2.6.16 kernel vDSOs.
12483 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
12484 Remove the psw_addr + 1 hack.
12486 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12488 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
12489 with aggregates here.
12490 (find_func_aliases): Remove code for &<aggregate> from here.
12492 2006-02-26 Roger Sayle <roger@eyesopen.com>
12494 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
12495 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
12496 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
12497 as (X & C) ne/eq 0.
12499 2006-02-26 Roger Sayle <roger@eyesopen.com>
12501 PR middle-end/19983
12502 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
12504 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
12506 * opts.c (decode_options): Do not handle flag_strength_reduce.
12507 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
12508 and OPT_fstrength_reduce.
12509 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
12510 flag_prefetch_loop_arrays for being nonzero.
12511 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
12513 (fprefetch-loop-arrays-rtl): Removed.
12514 (flag_prefetch_loop_arrays): Do not specify the value.
12516 * doc/passes.texi: Update documentation of loop optimizer
12518 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
12519 -frerun-loop-opt): Remove.
12521 2006-02-26 Richard Guenther <rguenther@suse.de>
12523 PR tree-optimization/26421
12524 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
12525 in function calls that are ADDR_EXPRs as using the whole structure.
12527 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
12529 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
12530 * tree-pass.h (pass_loop_optimize): Remove.
12531 * passes.c (pass_loop_optimize): Never run it.
12532 * toplev.c (backend_init): Don't call init_loop.
12533 * opts.c (flag_loop_optimize_set): Remove.
12534 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
12535 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
12536 the old RTL loop optimizer when profiling enabled.
12537 * predict.c (tree_estimate_probability): Always strip builtin_expect.
12538 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
12539 pre-headers for the sake of the old RTL loop optimizer.
12540 * Makefile.in: Remove all references to loop.o.
12542 * doc/invoke.texi: Remove all references to -floop-optimize
12543 and -frerun-loop-opt.
12545 2006-02-26 Zack Weinberg <zackw@panix.com>
12547 * doc/md.texi (Machine Constraints): Refer to all files with paths
12548 relative to gcc directory (i.e. config/CPU/file). Add missing
12549 @table @code ... @end table to M32C subsection.
12551 2006-02-26 Roger Sayle <roger@eyesopen.com>
12553 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
12555 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
12557 2006-02-26 Roger Sayle <roger@eyesopen.com>
12558 James A. Morrison <phython@gcc.gnu.org>
12560 PR middle-end/21137
12561 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
12562 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
12563 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
12564 signedness of the shift operation.
12566 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
12568 PR tree-optimization/26359
12569 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
12571 2006-02-25 Roger Sayle <roger@eyesopen.com>
12573 * simplify-rtx.c (simplify_relational_operation_1): Simplify
12574 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
12575 as X == 0, and some symmetry related transformations.
12576 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
12578 2006-02-25 Roger Sayle <roger@eyesopen.com>
12580 PR middle-end/23673
12581 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
12582 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
12583 symmetry related transformations. Fold (X^C1) == C2 as
12586 2006-02-25 Juergen Weigert <jw@suse.de>
12587 Richard Guenther <rguenther@suse.de>
12589 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
12591 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
12593 * combine.c (gen_lowpart_or_truncate): Call
12594 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
12596 2006-02-24 Diego Novillo <dnovillo@redhat.com>
12598 * doc/invoke.texi: Move -fopenmp description to "Options for
12600 Remove reference to -lgomp.
12602 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12604 * doc/install.texi: Require GNU tar version 1.14.
12606 2006-02-24 Geoffrey Keating <geoffk@apple.com>
12608 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
12609 * doc/invoke.texi (C++ Dialect Options): Document
12610 -fno-use-cxa-get-exception-ptr.
12611 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
12612 * configure: Regenerate.
12613 * c.opt (fuse-cxa-get-exception-ptr): New.
12614 * c-opts.c (c_common_handle_option): Handle
12615 OPT_fuse_cxa_get_exception_ptr.
12616 * c-common.c (flag_use_cxa_atexit): Update documentation.
12617 (flag_use_cxa_get_exception_ptr): New.
12618 * c-common.h (flag_use_cxa_get_exception_ptr): New.
12619 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
12621 (C_COMMON_OVERRIDE_OPTIONS): New.
12623 2006-02-24 Roger Sayle <roger@eyesopen.com>
12625 PR middle-end/24952
12626 * combine.c (try_combine): Explicitly check whether GET_CODE is
12627 a SET or a CLOBBER, instead on checking that it isn't a USE.
12629 2006-02-24 Roger Sayle <roger@eyesopen.com>
12631 * fold-const.c (fold_comparison): New subroutine of fold_binary
12632 containing transformations common to both the equality and
12633 ordering relational operators, factored out of fold_binary.
12634 (fold_binary): Separate out the equality operators (EQ_EXPR
12635 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
12636 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
12637 transformations common to both.
12638 (fold_div_compare): Fix latent bugs in the previously unreachable
12639 LT_EXPR and GE_EXPR cases.
12641 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12643 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12644 decl libname for clog to __clog on AIX.
12646 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12648 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12651 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12652 output traceback table for thunks. Localise rs6000_stack_info call.
12654 2006-02-23 Roger Sayle <roger@eyesopen.com>
12655 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12657 * gthr-posix.h (__gthrw): Fix typo in comment.
12659 2006-02-23 Geoffrey Keating <geoffk@apple.com>
12661 * doc/cpp.texi (Character sets): Document that we do support
12662 input files to be in any character set.
12664 2006-02-23 Jeff Law <law@redhat.com>
12666 * tree.h (PHI_ARG_NONZERO): Remove.
12667 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12668 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12669 node to the new node.
12671 PR tree-optimization/26425
12672 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12673 min/max, then assume its varying.
12675 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12677 PR rtl-optimization/26316
12678 * rtlanal.c (enum may_trap_p_flags): New.
12679 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
12680 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12681 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12682 (may_trap_after_code_motion_p): New function.
12683 * loop-invariant.c (find_identical_invariants): Fix dump formating.
12684 (find_invariant_insn): Use may_trap_after_code_motion_p.
12685 * rtl.h (may_trap_after_code_motion_p): Declare.
12687 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12689 * emit-rtl.c (immed_double_const): Cleanup.
12691 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12693 Fix PR tree-optimization/26376
12694 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12697 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12699 PR middle-end/26412
12700 * gimplify.c (omp_add_variable): Guard variable size decl test with
12701 DECL_SIZE (decl) check.
12703 2006-02-23 Richard Guenther <rguenther@suse.de>
12705 PR middle-end/26439
12706 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12707 like aggregate types.
12709 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12711 * configure.ac: Add --with{,out}-long-double-128 configure option.
12712 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12713 * configure: Rebuilt.
12714 * config.in: Rebuilt.
12715 * doc/install.texi (Options specification): Document
12716 --with-long-double-128.
12718 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12719 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12720 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12721 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12723 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12725 * config/s390/s390.c (override_options): Handle
12726 TARGET_DEFAULT_LONG_DOUBLE_128.
12728 * config/alpha/alpha.c (override_options): Handle
12729 TARGET_DEFAULT_LONG_DOUBLE_128.
12731 * config/sparc/sparc.c (sparc_override_options): Handle
12732 TARGET_DEFAULT_LONG_DOUBLE_128.
12734 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12736 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12737 (real-install-headers-tar, real-install-headers-cpio)
12738 (real-install-headers-cp): New targets.
12740 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12742 * tree.h (variable_section): Delete.
12743 * varasm.c (variable_section): Delete.
12745 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12747 * install.texi: Add notes on install.texi2html.
12748 (Building in parallel): Do not use footnotes.
12750 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12753 * doc/install.texi (Configuration): Document --disable-libgomp.
12755 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12757 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12759 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12761 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12762 (vec_extractv2df_0_sse): New.
12764 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12766 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12767 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12768 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12769 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12770 to the result of the expression.
12771 (def_cfa_1): Adjust.
12772 (frame_pointer_cfa_offset): Rename to...
12773 (frame_pointer_fb_offset): ... this. Adjust all uses.
12774 (convert_cfa_to_loc_list): Rename to...
12775 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12776 Pass it on to build_cfa_loc.
12777 (compute_frame_pointer_to_cfa_displacement): Rename to...
12778 (compute_frame_pointer_to_fb_displacement): ... this. New
12779 offset parameter. Use it in computation.
12780 (gen_subprogram_die): Compute cfa_fb_offset with the new
12781 macro, and use it to compute the fb loc list and the
12784 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12786 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12787 replaced with register_operand.
12788 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12789 non-DREG is expensive.
12790 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12791 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12794 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12796 * doc/install.texi2html: Use set -e.
12798 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12800 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12801 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12802 * doc/invoke.texi (-fshared-data): Delete.
12803 * common.opt (fshared-data): Delete.
12804 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12805 (assemble_static_space): Remove #if 0 code.
12806 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12807 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12808 * config/cris/cris.h: Remove FIXME.
12810 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12812 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12815 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12817 PR middle-end/26379
12818 * combine.c (simplify_shift_const_1): Disable nested shifts
12819 optimization for vector shifts.
12821 2006-02-20 Roger Sayle <roger@eyesopen.com>
12823 PR tree-optimization/26361
12824 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12825 of unsigned integer types.
12827 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12829 * tree-chrec.c (eq_evolutions_p): New.
12830 * tree-chrec.h (eq_evolutions_p): Declared.
12831 * tree-data-ref.c: Fix formatting.
12832 (datadep_stats, dependence_stats): New.
12834 (print_direction_vector): New.
12835 (dump_data_dependence_relation): Use print_direction_vector.
12836 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12837 (compute_subscript_distance): Static.
12838 (initialize_data_dependence_relation): Static. Get the number
12839 of loops surrounding the references from the callers, and initialize
12840 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12841 base_object_differ_p analyzers.
12842 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12843 compute_overlap_steps_for_affine_1_2,
12844 analyze_subscript_affine_affine): Count the classified dependences.
12845 Print a message when a test failed.
12846 (can_use_analyze_subscript_affine_affine): New.
12847 (analyze_siv_subscript): Compute the data dependences on symbolic
12848 scevs that verify can_use_analyze_subscript_affine_affine.
12849 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12850 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12851 Handle symbolic scevs.
12852 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12854 (subscript_dependence_tester): Moved...
12855 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12856 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12857 DDR_SIZE_VECT instead of getting it in parameter.
12858 (subscript_dependence_tester): ... here. Take as a parameter
12859 loop_nest_depth. Call build_classic_dist_vector and
12860 build_classic_dir_vector.
12861 (compute_affine_dependence): Update subscript_dependence_tester
12862 parameters. Update datadep_stats counters. Call
12863 compute_subscript_distance.
12864 (compute_self_dependence): Save the dist and dir vectors. Call
12865 compute_subscript_distance.
12866 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12867 (compute_all_dependences): Reorder parameters as they were before
12868 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12869 compute_subscript_distance. Update the use of
12870 compute_affine_dependence and initialize_data_dependence_relation.
12871 (find_data_references_in_loop): Handle COMPONENT_REF.
12872 (compute_data_dependences_for_loop): Initialize dependence_stats.
12873 Don't call build_classic_dist_vector and build_classic_dir_vector.
12874 Update the parameters of initialize_data_dependence_relation and
12875 compute_all_dependences. Print the statistics from datadep_stats.
12876 (analyze_all_data_dependences): Static. Not used until the pass for
12877 checking the data dependences is contributed.
12878 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12879 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12880 (initialize_data_dependence_relation, compute_affine_dependence,
12881 analyze_all_data_dependences, compute_subscript_distance): Removed.
12882 (print_direction_vector): New.
12883 * lambda.h (gcd): ... here.
12884 (lambda_vector_gcd): Moved here from gcd_vector.
12885 * lambda-code.c (gcd, gcd_vector): Removed.
12886 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12887 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12889 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12891 * ipa-type-escape.c: Tidy some comments and white space.
12892 * tree-ssa-operands.c: Likewise.
12894 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12897 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12898 (dump_decl_name): Do not walk the decl tree chains.
12899 * tree-pass.h (TDF_CHAIN): Remove.
12901 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12903 * Makefile.in (C): Remove
12905 (.PHONY): Remove C and PROTO
12907 2006-02-20 Roger Sayle <roger@eyesopen.com>
12909 PR middle-end/26236
12910 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12911 deprecated CHAR_TYPE tree code.
12913 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12915 * configure.ac (target_list): Add install-info, dvi, html.
12916 * configure: Regenerate.
12918 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12919 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12920 treelang/Make-lang.in: Do not use double-colon rules.
12922 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12924 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12925 (TMT_USED_ALONE): New macro.
12926 * tree-pass.h (PROP_tmt_usage): New property.
12927 (TODO_update_tmt_usage): New todo.
12928 * tree-ssa-alias.c (updating_used_alone): New variable.
12929 (recalculate_used_alone): New function.
12930 (compute_may_aliases): Set updating_used_alone, call
12931 recalculate_used_alone.
12932 * tree-sra.c (pass_sra): Note that this pass destroys
12933 PROP_tmt_usage, and add TODO_update_tmt_usage.
12934 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12935 * tree-flow.h (updating_used_alone): Prototype.
12936 (recalculate_used_alone): Ditto.
12937 * passes.c (execute_todo): Add code to set updating_used_alone,
12938 and call recalculate.
12939 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12940 for clobber if used alone, and add assert to verify used_alone
12943 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12945 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12946 for non tls symbols added.
12947 (legitimize_address): Do nothing for PLUS expressions if one of the
12948 addends is a tls symbol reference.
12950 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12954 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12956 * Makefile.in (BOOTSTRAPPING): New.
12957 (quickstrap): New definition if BOOTSTRAPPING=yes.
12959 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12960 * configure.ac: Substitute all_selected_languages with the languages
12961 that were configured. For all the other variables except
12962 lang_specs_files, include all the languages in the tree.
12963 * configure: Regenerate.
12965 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12966 if there is one. Run the commands to run fixincludes in the same
12969 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12970 * doc/install.texi: Document exact conventions for searching target tools.
12971 Document --with-build-time-tools. Document toplevel bootstrap. Document
12972 something more about building an Ada cross-compiler. Don't list GNU Make
12973 requirements which affect all platforms.
12975 2006-02-19 Roger Sayle <roger@eyesopen.com>
12977 PR middle-end/19543
12978 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12979 only equivalent if the have both the same mode and precision.
12981 2006-02-20 Ben Elliston <bje@au.ibm.com>
12983 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12985 2006-02-19 Roger Sayle <roger@eyesopen.com>
12986 Steven Bosscher <stevenb.gcc@gmail.com>
12988 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12989 constant pool references to identify stack mode constants.
12990 * rtlanal.c (constant_pool_constant_p): New predicate to check
12991 whether operand is a floating point constant in the pool.
12992 * rtl.h (constant_pool_constant_p): Prototype here.
12993 * loop.c (scan_loop): Avoid hoisting constants from the constant
12994 pool on STACK_REGS targets.
12995 (load_mems): Likewise.
12996 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12997 loads into x87 registers expensive in terms of register pressure.
12999 2006-02-19 Roger Sayle <roger@eyesopen.com>
13001 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
13002 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
13004 2006-02-19 David Edelsohn <edelsohn@gnu.org>
13006 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13007 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
13009 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
13011 * doc/invoke.texi: Document -fipa-pta.
13012 * common.opt: Add ipa-pta option.
13013 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
13014 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
13015 (do_ds_constraint): Ditto.
13016 (get_constraint_for): Only add to referenced_vars if
13017 referenced_vars exists.
13018 (insert_into_field_list): Rewrite to do this unsorted.
13019 (insert_into_field_list_sorted): Rename old insert_into_field_list
13021 (create_function_info_for): Use insert_into_field_list_sorted.
13022 (create_variable_info_for): Rewrite so it uses unsorted version,
13023 since the field list is sorted.
13024 (intra_create_variable_infos): Only add to referenced_vars if
13025 referenced_vars exists.
13026 (ipa_pta_execute): Init heapvars, and delete when done.
13027 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
13029 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13031 * doc/install.texi: Add missing `@samp'.
13033 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13035 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
13038 2006-02-18 Mark Wielaard <mark@klomp.org>
13040 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
13041 who added new 4.1 features, bug fixes and integration support.
13043 2006-02-18 David Edelsohn <edelsohn@gnu.org>
13046 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
13047 MEM for ABI_V4 pic.
13049 2006-02-18 Richard Sandiford <richard@codesourcery.com>
13051 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
13052 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
13053 (copy_insn_1): Likewise. Don't copy each field individually.
13055 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
13057 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
13058 * rtl.c (rtx_size): Rename variable to...
13059 (rtx_code_size): ...this.
13060 (rtx_size): New function.
13061 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
13062 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
13064 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
13065 * rtl.h (rtx_code_size): New variable.
13066 (rtx_size): Change from a variable to a function.
13067 (RTX_SIZE): Rename to...
13068 (RTX_CODE_SIZE): ...this.
13071 PR tree-optimization/17106
13072 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
13073 (Anchored Addresses): New section.
13074 * doc/invoke.texi (-fsection-anchors): Document.
13075 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
13076 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
13077 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
13078 * hooks.c (hook_bool_mode_rtx_false): New function.
13079 * hooks.h (hook_bool_mode_rtx_false): Declare.
13080 * gengtype.c (create_optional_field): New function.
13081 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
13082 SYMBOL_REF_IN_BLOCK_P is true.
13083 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
13084 (min_anchor_offset, max_anchor_offset): Likewise.
13085 (use_anchors_for_symbol_p): New hook.
13086 * toplev.c (compile_file): Call output_object_blocks.
13087 (target_supports_section_anchors_p): New function.
13088 (process_options): Check that -fsection-anchors is only used on
13089 targets that support it and when -funit-at-a-time is in effect.
13090 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
13091 if the decl doesn't have one.
13092 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
13093 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
13094 of force_const_mem through use_anchored_address.
13095 (expand_expr_constant): New function.
13096 (expand_expr_addr_expr_1): Call it. Use the same modifier when
13097 calling expand_expr for INDIRECT_REF.
13098 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
13099 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
13100 * expr.h (use_anchored_address): Declare.
13101 * loop-unroll.c: Don't declare rtx vectors here.
13102 * explow.c: Include output.h.
13103 (validize_mem): Call use_anchored_address.
13104 (use_anchored_address): New function.
13105 * common.opt (-fsection-anchors): New switch.
13106 * varasm.c (object_block_htab, anchor_labelno): New variables.
13107 (hash_section, object_block_entry_eq, object_block_entry_hash)
13108 (use_object_blocks_p, get_block_for_section, create_block_symbol)
13109 (use_blocks_for_decl_p, change_symbol_section): New functions.
13110 (get_variable_section): New function, split out from assemble_variable.
13111 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
13112 use_blocks_for_decl_p say so. Use change_symbol_section if the
13113 symbol has already been created.
13114 (assemble_variable_contents): New function, split out from...
13115 (assemble_variable): ...here. Don't output any code for
13116 block symbols; just pass them to place_block_symbol.
13117 Use get_variable_section and assemble_variable_contents.
13118 (get_constant_alignment, get_constant_section, get_constant_size): New
13119 functions, split from output_constant_def_contents.
13120 (build_constant_desc): Create a block symbol if use_object_blocks_p
13121 says so. Or into SYMBOL_REF_FLAGS.
13122 (assemble_constant_contents): New function, split from...
13123 (output_constant_def_contents): ...here. Don't output any code
13124 for block symbols; just pass them to place_section_symbol.
13125 Use get_constant_section and get_constant_alignment.
13126 (force_const_mem): Create a block symbol if use_object_blocks_p and
13127 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
13128 (output_constant_pool_1): Add an explicit alignment argument.
13129 Don't switch sections here.
13130 (output_constant_pool): Adjust call to output_constant_pool_1.
13131 Switch sections here instead. Don't output anything for block symbols;
13132 just pass them to place_block_symbol.
13133 (init_varasm_once): Initialize object_block_htab.
13134 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
13135 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
13136 (place_block_symbol, get_section_anchor, output_object_block)
13137 (output_object_block_htab, output_object_blocks): New functions.
13138 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
13139 (TARGET_ASM_OUT): Include it.
13140 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
13141 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
13142 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
13143 (TARGET_INITIALIZER): Include them.
13144 * rtl.c (rtl_check_failed_block_symbol): New function.
13145 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
13146 (block_symbol, object_block): New structures.
13147 (rtx_def): Add a block_symbol field to the union.
13148 (BLOCK_SYMBOL_CHECK): New macro.
13149 (rtl_check_failed_block_symbol): Declare.
13150 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
13151 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
13152 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
13153 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
13154 * output.h (output_section_symbols): Declare.
13155 (object_block): Name structure.
13156 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
13157 (default_use_anchors_for_symbol_p): Declare.
13158 * Makefile.in (RTL_BASE_H): Add vec.h.
13159 (explow.o): Depend on output.h.
13160 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
13161 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13162 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13163 (rs6000_use_blocks_for_constant_p): New function.
13165 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13167 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
13169 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13172 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
13175 2006-02-18 Diego Novillo <dnovillo@redhat.com>
13177 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
13181 2006-02-18 Jakub Jelinek <jakub@redhat.com>
13183 PR middle-end/26334
13184 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
13185 instead of DECL_REGISTER.
13187 2006-02-18 Olivier Hainque <hainque@adacore.com>
13190 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
13192 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
13195 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
13196 * opth-gen.awk: Handle Var and InverseMask together.
13197 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
13198 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
13199 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
13200 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
13202 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13203 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13204 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
13205 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13206 LINUX_DYNAMIC_LINKER): Define.
13207 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
13208 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
13210 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13211 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
13212 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13213 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13214 (TARGET_C99_FUNCTIONS): Don't define.
13215 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
13216 GLIBC_DYNAMIC_LINKER.
13217 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
13218 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
13219 GLIBC_DYNAMIC_LINKER64): Define.
13220 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13221 LINUX_DYNAMIC_LINKER64.
13222 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13223 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13224 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
13225 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13226 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13227 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13228 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
13229 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
13230 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
13231 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
13232 and LINUX_DYNAMIC_LINKER32.
13233 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13234 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13235 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
13236 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13237 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
13239 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
13240 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
13241 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13242 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13243 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13244 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
13245 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
13246 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
13247 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13248 LINUX_DYNAMIC_LINKER): Define.
13249 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
13250 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
13251 GLIBC_DYNAMIC_LINKER64): Define.
13252 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13253 LINUX_DYNAMIC_LINKER64.
13254 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13255 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13256 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
13257 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13258 LINUX_DYNAMIC_LINKER): Define.
13259 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13260 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13261 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
13262 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
13263 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
13264 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13265 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
13266 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
13267 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13268 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13269 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13270 * doc/invoke.texi (-muclibc): Remove caveat about supported
13273 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
13275 * doc/cpp.texi (__TIMESTAMP__): Document.
13277 2006-02-17 Roger Sayle <roger@eyesopen.com>
13279 PR middle-end/25600
13280 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
13281 C is one less than the width of X (and related transformations).
13282 * simplify-rtx.c (simplify_unary_operation_1): Transform
13283 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
13284 depending on STORE_FLAG_VALUE, were C is one less then the
13287 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
13289 Fix PR tree-optimization/26341
13290 * tree-ssa-operands.c (add_virtual_operand): Remove assert
13291 about NAME_MEMORY_TAG's.
13293 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13296 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
13297 with hardware float support, and software float support. Add fcpy
13298 alternative to hardware patterns. Add alternatives to copy between
13299 general and floating-point registers to the 32-bit pattern.
13300 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
13301 secondary reload to load a QI or HI mode constant into a floating
13303 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
13304 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
13306 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
13309 * config/rs6000/darwin.md (load_macho_picbase_si): Add
13311 (load_macho_picbase_di): Likewise.
13313 2006-02-16 Jeff Law <law@redhat.com>
13315 * tree-vrp.c (set_value_range_to_nonnegative): New function.
13316 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
13317 (ssa_name_nonzero_p): Likewise.
13318 (get_value_range): Return NULL if VRP is not running.
13319 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
13320 VRP routines do not discover a range.
13321 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
13322 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
13323 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
13324 (tree_expr_nonnegative_p): Similarly.
13325 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
13326 (restore_nonzero_vars_to_original_value): Remove.
13327 (unsafe_associative_fp_binop): Remove.
13328 (tree_ssa_dominator_optimize): Remove initialization and
13329 finalization of nonzero_vars and nonzero_vars_stack.
13330 (dom_opt_initialize_block): No longer push marker on
13331 nonzero_vars_stack.
13332 (dom_opt_finalize_block): No longer call
13333 restore_nonzero_vars_to_original_value.
13334 (record_equivalences_from_phis): No longer look for
13335 nonzero PHI arguments.
13336 (cprop_into_successor_phis): No longer propagate nonzero
13337 property into PHI arguments. Lose unused argument. Caller
13339 (record_equivalences_from_stmt): No longer record nonzero
13340 values for SSA_NAMEs.
13341 (lookup_avail_expr): No longer use nonzero_vars.
13343 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
13344 for sizetype when sizetype is unsigned.
13346 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
13348 PR rtl-optimization/25603
13349 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
13350 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
13351 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
13352 with new meaning of SETS.
13354 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
13359 * config/linux.opt: New file.
13360 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
13361 LINUX_DYNAMIC_LINKER): Define.
13362 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
13363 * config.gcc (*-*-linux*): Define extra_options.
13364 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
13365 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13366 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
13367 GLIBC_DYNAMIC_LINKER.
13368 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
13369 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13370 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13371 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13372 * doc/invoke.texi (GNU/Linux Options): New section.
13374 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
13376 * config/sparc/sparc.md (setjmp): Rewrite.
13377 (setjmp_32): Delete.
13378 (setjmp_64): Likewise.
13380 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
13382 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
13385 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13387 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
13390 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13392 PR rtl-optimization/26296
13393 * Makefile.in (loop-invariant.c): Add except.h dependency.
13394 * loop-invariant.c: Include except.h.
13395 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
13397 2005-02-16 Paul Brook <paul@codesourcery.com>
13399 * reload1.c (emit_reload_insns): Invalidate dead input registers used
13402 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
13404 PR rtl-optimization/25636
13405 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
13406 when deciding whether an insn is an initializing insn.
13408 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
13410 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
13411 (tree_code_size): Ditto.
13412 * tree.h (struct tree_memory_tag): Remove parent_var.
13413 (struct tree_struct_field_tag): New.
13416 (union tree_node): Add sft member.
13417 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
13419 (create_sft): Add size and offset argument, set SFT_OFFSET and
13421 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
13422 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
13423 * tree-flow-inline.h (get_subvar_at): Update for
13424 SFT_OFFSET/SFT_SIZE.
13425 (var_can_have_subvars): Ditto.
13426 (overlap_subvar): Ditto.
13427 * print-tree.c (print_node): Print out interesting things for
13429 * tree-flow.h (struct subvar): Remove offset and size members.
13430 * tree-ssa-operands.c (get_expr_operands): Update for
13431 get_indirect_ref_operands changes.
13432 (get_indirect_ref_operands): Call add_virtual_operand instead of
13433 add_stmt_operand. Only recurse on base var if requested.
13434 (access_can_touch_variable): New function.
13435 (add_stmt_operand): Split virtual operand handling into ...
13436 (add_virtual_operand): Here. Add offset, size, and for_clobber
13437 arguments. Prune alias sets.
13438 (add_call_clobber_ops): Call add_virtual_operand.
13440 2006-02-15 Jakub Jelinek <jakub@redhat.com>
13442 PR middle-end/26300
13443 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
13445 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
13446 than TREE_CODE as index into omp_clause_num_ops array.
13448 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
13450 PR rtl-optimization/26184
13451 * modulo-sched.c (generate_reg_moves): Free bitmap vector
13453 * modulo-sched.c (sms_schedule): Free g_arr pointer.
13454 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
13455 must_precede, must_follow and tobe_scheduled.
13458 * opts.c (common_handle_option): Free new_option pointer.
13459 * df-core.c (df_analyze): Free postorder pointer.
13461 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13463 * Makefile.in: Fix the examples about the use of stamps
13465 2006-02-15 Michael Matz <matz@suse.de>
13467 PR middle-end/22275
13469 * stor-layout.c (layout_decl): Zero-width bitfields aren't
13470 influenced by maximum_field_alignment or DECL_PACKED.
13471 (update_alignment_for_field): Ditto.
13472 (place_field): Ditto.
13473 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
13476 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
13478 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
13479 (debug_flow_info): Pass it.
13480 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
13481 * bb-reorder.c (reorder_basic_blocks): Likewise.
13482 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
13483 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
13484 * flow.c (life_analysis, recompute_reg_usage): Likewise.
13485 * gcse.c (gcse_main, bypass_jumps): Likewise.
13486 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
13487 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
13488 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
13489 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
13490 * rtl.h (dump_flow_info): Adjust prototype.
13491 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
13492 * var-tracking.c (variable_tracking_main): Likewise.
13493 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
13494 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
13497 2006-02-15 Marcin Dalecki <martin@dalecki.de>
13499 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
13502 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13504 PR tree-optimization/26209
13505 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
13506 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
13508 * tree-cfg.c (replace_uses_by): Do not alter cfg.
13510 2006-02-14 Roger Sayle <roger@eyesopen.com>
13512 PR middle-end/23670
13513 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
13514 (X,Y) and the corresponding symmetry related transformations.
13515 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
13516 (X,Y) and its symmetry related transformations.
13518 2006-02-14 Roger Sayle <roger@eyesopen.com>
13520 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
13523 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
13525 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
13527 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13530 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
13531 support COMDAT group.
13532 * configure: Regenerate.
13534 2006-02-14 Roger Sayle <roger@eyesopen.com>
13536 PR middle-end/26279
13537 PR middle-end/26280
13538 PR middle-end/26283
13539 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
13541 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
13543 Fix PR tree-optimization/26260
13545 * doc/invoke.texi (max-fields-for-field-sensitive): Document
13547 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
13548 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
13549 * tree-ssa-structalias.c (create_variable_info_for): Use
13550 MAX_FIELDS_FOR_FIELD_SENSITIVE.
13552 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13554 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
13556 * tree-ssa-loop-niter.c (number_of_iterations_ne,
13557 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
13558 of the ending condition.
13559 * tree-ssa-loop-manip.c: Include params.h.
13560 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
13561 tree_unroll_loop): New functions.
13562 * tree-pass.h (pass_loop_prefetch): Declare.
13563 * loop.c (rest_of_handle_loop_optimize): Test for
13564 -fprefetch-loop-arrays-rtl.
13565 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
13566 * timevar.def (TV_TREE_PREFETCH): New timevar.
13567 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
13568 pass_loop_prefetch): New.
13569 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
13570 (cleanup_tree_cfg_loop): Call scev_reset.
13571 * common.opt (fprefetch-loop-arrays-rtl): Add.
13572 * tree-ssa-loop-prefetch.c: New file.
13573 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
13574 (new_temp_expr_table): Initialize expr_vars.
13575 (free_temp_expr_table): Cleanup expr_vars.
13576 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
13577 expressions from being merged into one.
13578 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
13579 (struct tree_niter_desc): Add control, bound and cmp fields.
13580 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
13582 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
13583 (tree-cfgcleanup.o): Add SCEV_H dependency.
13584 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
13585 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
13587 2006-02-14 Richard Guenther <rguenther@suse.de>
13589 PR tree-optimization/26258
13590 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
13591 in PHI argument processing.
13593 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
13595 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
13596 new expression in the requested machine mode.
13598 2006-02-13 Roger Sayle <roger@eyesopen.com>
13600 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
13601 directly, instead let do_compare_rtx_and_jump handle this for us.
13602 * expr.c (expand_expr_real_1): Likewise.
13603 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
13604 before do_jump_by_parts_greater.
13605 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
13606 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
13608 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13610 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
13612 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13614 PR rtl-optimization/26235
13615 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
13616 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
13619 2006-02-13 Jeff Law <law@redhat.com>
13621 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
13624 2006-02-13 Jakub Jelinek <jakub@redhat.com>
13626 PR middle-end/26092
13627 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
13628 twice if decl is a builtin. When trying again, call get_callee_fndecl
13629 first to verify it is still a builtin.
13631 2006-02-13 Geoffrey Keating <geoffk@apple.com>
13633 * dwarf2out.c (base_type_die): Don't add AT_name here.
13634 (subrange_type_die): Don't add AT_name here.
13635 (modified_type_die): Rearrange code flow. Do add AT_name here.
13637 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13639 PR rtl-optimization/26247
13640 PR rtl-optimization/26248
13641 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13643 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13645 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13646 * config/fixtfdi.c: Likewise.
13647 * config/fixunstfdi.c: Likewise.
13648 * config/floatditf.c: Likewise.
13650 2006-02-13 Roger Sayle <roger@eyesopen.com>
13652 PR middle-end/24427
13653 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13654 into (X,C2) if C1 is a subset of the bits of C2. Transform
13655 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13657 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13659 2006-02-13 Josh Conner <jconner@apple.com>
13662 * varasm.c (function_section): Check for section name before
13663 calling select_section on targets that define
13664 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
13665 unlikely_text_section instead of hot_function_section if
13666 first_function_block_is_cold.
13668 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
13670 PR middle-end/25335
13671 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13673 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13675 PR rtl-optimization/26222
13676 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13677 after tree->rtl expansion.
13678 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13679 before passing it to emit_move_insn.
13681 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
13683 * doc/invoke.texi (-Write-strings): Document that it is enabled by
13685 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13686 Clarify documentation.
13687 * c-common.h (warn_write_strings): Remove.
13688 * c-common.c (warn_write_strings): Likewise.
13689 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13692 2006-02-12 Roger Sayle <roger@eyesopen.com>
13694 PR middle-end/25724
13695 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13696 (do_jump_parts_zero_rtx): New function renamed from
13697 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13698 (do_jump_parts_equality_rtx): New function split out from
13699 do_jump_parts_equality. Old implementation renamed as above.
13700 Call do_jump_parts_zero_rtx if either operand is zero.
13701 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13702 do all of the heavy lifting.
13703 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13704 calling either do_jump_by_parts_greater_rtx or
13705 do_jump_by_parts_equality_rtx.
13706 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13707 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13708 moved to do_compare_rtx_and_jump, call it directly.
13709 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13710 mode argument. Call do_compare_rtx_and_jump.
13711 (emit_case_nodes): Update calls to do_jump_if_equal.
13713 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13715 PR rtl-optimization/26225
13716 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13718 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13720 PR rtl-optimization/26232
13721 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13723 2006-02-11 Jason Merrill <jason@redhat.com>
13726 * tree-inline.c (declare_return_variable): Just don't use the
13727 modify target if it's a gimple complex reg and the return slot
13730 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13732 * doc/contrib.texi: Update my entry.
13734 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13736 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13738 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13740 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13743 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13745 * doc/invoke.texi (-floop-optimize2): Removed.
13746 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13747 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13748 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13749 * common.opt (floop-optimize2): Removed.
13750 (fmove-loop-invariants): Enabled by default.
13752 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13754 * tree-if-conv.c (combine_blocks): Free the result of
13755 get_loop_exit_edges.
13757 2006-02-10 Jeff Law <law@redhat.com>
13759 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13761 PR tree-optimization/26213
13762 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13763 loop trying to follow SSA_NAME_VALUE chains.
13765 2006-02-10 Richard Guenther <rguenther@suse.de>
13767 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13768 deal with structures that end in implicitly variable sized arrays.
13770 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13772 PR rtl-optimization/24762
13773 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13776 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13778 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13779 (struct ivopts_data): Add regs_used field.
13780 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13781 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13782 instead of loop_data->regs_used;
13783 (free_loop_data): Do not free aux fields for loops.
13784 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13785 and tree_ssa_iv_optimize_finalize.
13787 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13789 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13791 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13794 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13795 computing the effective result type.
13797 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13799 PR inline-asm/16194
13800 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13801 (tree_overlaps_hard_reg_set): Declare.
13802 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13803 type and signature to match function type expected by walk_tree.
13804 (tree_overlaps_hard_reg_set): New function.
13805 (decl_conflicts_with_clobbers_p): Rename to:
13806 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13807 Use tree_overlaps_hard_reg_set. Changed caller.
13808 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13809 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13810 * cris.c (cris_md_asm_clobbers): Likewise.
13812 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13814 * reload1.c (emit_input_reload_insns): Delete code that tries to
13815 inherit using find_equiv_reg.
13817 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13819 * c-common.h (flag_const_strings): Don't declare.
13820 * c-common.c (flag_const_strings): Remove.
13821 * c.opt (fconst_strings): Remove.
13822 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13823 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13824 (c_common_init_options): Don't set flag_const_strings.
13825 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13827 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13829 * arm.md (tlobits_cbranch): New pattern.
13830 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13831 testing a single bit.
13833 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13836 * tree-ssa-pre.c (create_component_ref_by_pieces):
13837 Handle RETURN_DECL like VAR_DECL.
13839 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13841 PR middle-end/26134
13842 * fold-const.c (fold_indirect_ref_1): Fold
13843 "*(foo *)&complexfoo" to "__real__ complexfoo"
13844 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13846 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13848 * tree-flow-inline.h (var_can_have_subvars):
13849 Volatile variables should not have subvariables.
13851 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13854 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13855 multiplying unsigned values.
13858 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13860 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13862 2006-02-08 Jason Merrill <jason@redhat.com>
13865 * tree.def: Elaborate on difference from MODIFY_EXPR.
13866 * doc/c-tree.texi (INIT_EXPR): Likewise.
13867 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13868 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13869 (gimplify_target_expr): Likewise.
13870 (gimplify_cond_expr): Remove target handling.
13871 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13872 (gimplify_expr): Clobber it here.
13873 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13874 Do return slot optimization if we have an INIT_EXPR.
13877 * tree-inline.c (declare_return_variable): Also clear
13878 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13881 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13883 PR middle-end/22439
13884 * gimplify.c (gimplify_one_sizepos): Fix typo.
13886 2006-02-08 Jeff Law <law@redhat.com>
13888 PR tree-optimization/21417
13889 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13890 across a backedge if the control statement at the end of the
13891 block is data dependent on other statements in the same block.
13892 (record_temporary_equivalences_from_stmts): Remove over-conservative
13893 test for threading across backedges.
13895 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13896 control statement, handle all three special cases in the same
13897 manner as they all have the same desired solution. No longer
13898 special case edge flag updating when the post dominator is
13901 2006-02-08 Roger Sayle <roger@eyesopen.com>
13903 * tree.def (CHAR_TYPE): Remove.
13904 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13905 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13906 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13907 (gen_string_type_die): Delete unreachable function.
13909 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13910 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13911 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13912 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13913 * builtins.c (type_to_class): Likewise.
13914 * fold-const.c (fold_convert, build_range_check,
13915 merge_ranges): Likewise.
13916 * expr.c (count_type_elements): Likewise.
13917 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13918 * stor-layout.c (layout_type): Likewise.
13919 * ipa-type-escape.c (type_to_consider): Likewise.
13920 * gimplify.c (omp_firstprivatize_type_sizes,
13921 gimplify_type_sizes): Likewise.
13922 * explow.c (promote_mode): Likewise.
13923 * tree-sra.c (is_sra_scalar_type): Likewise.
13924 * varasm.c (output_constant): Likewise.
13925 * tree-inline.c (remap_type_1): Likewise.
13926 * convert.c (convert_to_pointer, convert_to_real,
13927 convert_to_integer, convert_to_complex): Likewise.
13929 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13931 * df-scan.c (df_def_record_1): A set destination may
13932 be a parallel regardless of mode.
13934 2006-02-08 Roger Sayle <roger@eyesopen.com>
13937 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13938 * config/mips/_tilib.c: Remove.
13939 * config/fixtfdi.c: New libgcc source file.
13940 * config/fixunstfdi.c: New source file.
13941 * config/floatditf.c: New source file.
13942 * config/floatunditf.c: New souce file.
13943 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13944 files above instead of config/mips/_tilib.c.
13945 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13947 2006-02-08 Jeff Law <law@redhat.com>
13949 PR tree-optimization/26169
13950 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13953 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13955 * df.h (DF_REG_SIZE): Return the length of the initialized
13958 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13960 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13961 __muldf3): Return a correctly signed zero.
13963 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13965 * passes.c (register_one_dump_file): Accept the current properties
13966 instead of pass number. Adjust call to dump_register. Remove
13968 (register_dump_files): Now a wrapper around...
13969 (register_dump_files_1): ... this one. Do not modify the pass
13971 (next_pass_1): Cosmetic fix.
13972 (execute_todo): Keep second parameter only. Use curr_properties
13973 instead of fetching it from the pass structure. Check and set
13975 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13976 instead of fetching it from the pass structure. Fix calls to
13977 execute_todo. Update curr_properties and initialize .vcg RTL dump
13978 after running the pass. Reset last_verified.
13979 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13981 (FIRST_AUTO_NUMBERED_DUMP): New.
13982 (dump_register): Remove "num" parameter, assign it within the
13984 (get_dump_file_name): Modify template for dumps.
13985 * tree-dump.h (dump_register): Adjust prototype.
13986 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13987 (PROP_trees): Add PROP_gimple_lomp.
13988 (TODO_set_props): New.
13989 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13990 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13991 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13993 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13995 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13996 (sparc64-*-linux*): Likewise.
13997 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13998 * config/sparc/t-linux: New file.
13999 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
14000 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
14001 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
14002 -m32 -mlong-double-128.
14004 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
14005 * config/alpha/t-linux: New file.
14006 * config/alpha/libgcc-alpha-ldbl.ver: New file.
14008 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
14009 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
14010 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
14011 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
14012 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
14013 (CPP_ARCH32_SPEC): Remove.
14015 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
14017 PR tree-optimization/26145
14018 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
14021 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14024 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
14025 >= 240000 when generating code for SOM runtime.
14026 (output_indirect_call): Don't use "b,l" instruction for indirect calls
14027 to $$dyncall when generating code for SOM runtime..
14029 2006-02-07 Dirk Mueller <dmueller@suse.com>
14032 * doc/invoke.texi (-Wsequence-point): Update documentation
14033 that -Wsequence-point is implemented for C++ as well.
14035 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14037 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
14038 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
14039 (LIB_SPEC): Likewise.
14040 * doc/invoke.texi (SPARC options): Document -pthread.
14042 2006-02-07 Geoffrey Keating <geoffk@apple.com>
14044 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
14047 2006-02-07 Roger Sayle <roger@eyesopen.com>
14049 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
14050 Correct comment describing BOOLEAN_TYPE.
14052 2006-02-07 Dirk Mueller <dmueller@suse.com>
14054 * c.opt: C++ frontend supports -Wdiv-by-zero.
14055 * c-opts.c (c_common_handle_option): Remove dead case.
14057 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14059 * configure.ac (TLS assembler check): Do not enable TLS by
14060 default on SPARC/Solaris before version 10.
14061 * configure: Regenerate.
14063 2006-02-07 David Edelsohn <edelsohn@gnu.org>
14065 * doc/invoke.texi (xl-compat): Document conversion and support
14068 2006-02-07 Jeff Law <law@redhat.com>
14070 * tree-vrp.c (find_conditional_asserts): Update comments.
14071 (simplify_stmt_for_jump_threading): New.
14072 (identify_jump_threads, finalize_jump_threads): New.
14073 (vrp_finalize): Call identify_jump_threads.
14074 (execute_vrp): Call finalize_jump_threads.
14075 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
14076 (vrp_element, vrp_data, vrp_element_p): Remove.
14077 (vrp_hash_elt, vrp_variables_stack): Remove.
14078 (vrp_hash, vrp_eq, record_range): Remove.
14079 (simplify_cond_and_lookup_avail_expr): Remove.
14080 (extract_range_from_cond): Remove.
14081 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
14082 (simplify_stmt_for_jump_threading): New.
14083 (dom_thread_across_edge): New wrapper.
14084 (tree_ssa_dominator_optimize): No longer initialize or
14085 finalize any of the VRP datastructures. Remove iteration
14086 step and simplify as a result of removal of iteration step.
14087 (pass_dominator): Perform a cfg cleanup after DOM.
14088 (dom_opt_finalize_block): Use the new common routines
14089 for threading jumps. Simplify stack management slightly.
14090 No longer need to unwind VRP state.
14091 (record_equivalences_from_incoming_edge): No longer record
14093 (eliminate_redundant_computations): No longer call
14094 simplify_cond_and_lookup_avail_expr.
14095 * tree-flow.h (potentially_threadable_block): Prototype.
14096 (thread_across_edge): Likewise.
14097 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
14098 (tree-ssa-threadedge.o): Add dependencies.
14099 * tree-ssa-threadedge.c: New file.
14100 * passes.c (init_optimization_passes): Merge PHIs before
14101 calling VRP. Run VRP again late in the SSA optimization pipeline.
14103 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14105 * df-core.c (df_set_blocks): Do not dereference function pointers.
14106 (df_finish1): Likewise.
14107 (df_hybrid_search_forward): Likewise.
14108 (df_hybrid_search_backward): Likewise.
14109 (df_iterative_dataflow): Likewise.
14110 (df_analyze_problem): Likewise.
14111 (df_compact_blocks): Likewise.
14112 (df_dump): Likewise.
14113 * df-scan.c (df_rescan_blocks): Likewise.
14114 (df_record_entry_block_defs): Likewise.
14116 * genconditions.c (write_conditions): Guard the definition of
14117 'insn_conditions' with the check on GCC version.
14118 (write_writer): Guard the traversal 'insn_conditions' with
14119 the check on GCC version.
14121 2006-02-07 Richard Guenther <rguenther@suse.de>
14125 2006-01-30 Richard Guenther <rguenther@suse.de>
14127 * gimplify.c (gimplify_target_expr): Handle easy cases
14128 without creating a temporary.
14130 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
14132 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
14133 use of float in probability computations. Use edge probabilities
14134 in place of statically computed probabilities.
14135 (min_spec_prob): New static variable.
14136 (schedule_insns): Initialize it.
14137 (GET_SRC_PROB): Removed.
14138 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
14140 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
14143 * config/ia64/unwind-ia64.c: Revert last change.
14144 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
14145 (INCOMING_FRAME_SP_OFFSET): Define.
14147 2006-02-06 Roger Sayle <roger@eyesopen.com>
14149 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
14151 2006-02-07 Ben Elliston <bje@au.ibm.com>
14153 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
14154 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
14155 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
14156 (ix86_return_in_memory): Handle TDmode.
14157 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
14158 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
14160 2006-02-06 Richard Sandiford <richard@codesourcery.com>
14162 * reorg.c (dbr_schedule): Use dump_file instead of file.
14164 2006-02-06 Steve Ellcey <sje@cup.hp.com>
14167 * config/ia64/predicates.md (extr_len_operand): New predicate.
14168 * config/ia64/ia64.md (extv): Tighten constraints.
14170 (*tbit_and_2): Ditto.
14171 (*tbit_and_3): Ditto.
14172 (*tbit_or_2): Ditto.
14173 (*tbit_or_3): Ditto.
14174 (*bit_zero): Ditto.
14177 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
14180 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
14182 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14184 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
14185 loop_optimizer_init and loop_optimizer_finalize
14186 * tree-ssa-sink.c (execute_sink_code): Ditto.
14187 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14188 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
14189 tree_ssa_loop_done): Ditto.
14190 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
14191 * sched-ebb.c: Include output.h.
14192 (schedule_ebbs): Do not use dump argument.
14193 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
14194 * loop.c (loop_dump_stream): Removed.
14195 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
14197 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
14198 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
14199 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
14200 loop_iterations, strength_reduce, record_biv, record_giv,
14201 final_giv_value, check_final_value, check_ext_dependent_givs,
14202 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
14203 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
14204 dump_file instead of loop_dump_stream.
14205 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
14206 argument dump_file.
14207 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
14209 * flow.c (life_analysis, rest_of_handle_life): Ditto.
14210 * haifa-sched.c: Include output.h
14211 (schedule_insns, sched_init): Do not use dump argument.
14212 * mode-switching.c (optimize_mode_switching): Ditto.
14213 * modulo-sched.c (stats_file): Removed.
14214 (print_node_sched_params): Do not call argument dump_file.
14215 (sms_schedule_by_order, loop_canon_p, sms_schedule,
14216 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
14218 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
14220 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
14221 rtl_loop_init, rtl_loop_done): Ditto.
14222 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
14223 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
14225 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
14226 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
14227 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
14228 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
14229 * emit-rtl.c (renumber_insns): Ditto.
14230 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
14231 expand_gimple_basic_block, tree_expand_cfg): Ditto.
14232 * regclass.c (regclass): Ditto.
14233 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
14234 remove_ssa_form, rewrite_out_of_ssa): Ditto.
14235 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
14236 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
14238 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
14239 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
14241 * gcse.c (gcse_file, debug_stderr): Removed.
14242 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
14243 rest_of_handle_gcse): Do not use dump argument.
14244 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
14245 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
14246 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
14247 compute_code_hoist_vbeinout, compute_code_hoist_data,
14248 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
14249 compute_store_table, build_store_vectors, insert_insn_start_bb,
14250 insert_store, remove_reachable_equiv_notes, replace_store_insn,
14251 store_motion): Use dump_file instead of gcse_file.
14252 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
14253 * profile.c (profile_dump_file): Removed.
14254 (branch_prob): Use dump_file instead of profile_dump_file.
14255 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
14257 * tree-ssa-copy.c (dump_copy_of): Ditto.
14258 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
14259 dump file to life_analysis.
14260 * bt-load.c (branch_target_load_optimize): Ditto.
14261 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
14263 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
14264 regclass, dbr_schedule): Declaration changed.
14265 * sched-int.h (sched_init): Declaration changed.
14266 * tree-profile.c (tree_profile_dump_file): Removed.
14267 (tree_profile_hooks): Removed profile_dump_file hook.
14268 * rtl-profile (rtl_profile_dump_file): Removed.
14269 (rtl_profile_hooks): emoved profile_dump_file hook.
14270 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
14272 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
14273 * tree-cfg.c (build_tree_cfg): Ditto.
14274 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
14275 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
14276 Declaration changed.
14277 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
14278 life_analysis and schedule_insns.
14279 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
14281 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
14283 * config/mips/mips.c (mips_reorg): Ditto.
14284 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
14287 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
14289 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14290 (s390_mangle_fundamental_type): New.
14291 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14294 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14295 (alpha_mangle_fundamental_type): New.
14296 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14299 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14301 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14303 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14304 (sparc_mangle_fundamental_type): New.
14306 2006-02-06 Jakub Jelinek <jakub@redhat.com>
14308 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
14309 (s390x-*-linux*): Likewise.
14310 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
14311 * config/s390/t-linux: New file.
14313 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14315 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
14316 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
14318 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
14320 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
14321 (ANTIC_SAFE_LOADS): New macro.
14322 (find_or_generate_expression): Add prototype.
14323 (set_contains_value): Allow null set for sake of not always having
14324 to allocate ANTIC_SAFE_LOADS.
14325 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
14326 Allow COMPONENT_REF too.
14327 (valid_in_set): Allow COMPONENT_REF.
14328 Check ANTIC_SAFE_LOADS too.
14329 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
14330 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
14332 (can_PRE_operation): Add COMPONENT_REF.
14333 (create_component_ref_by_pieces): New function.
14334 (create_expression_by_pieces): Use create_component_ref_by_pieces.
14335 (insert_aux): Move AGGREGATE_TYPE_P check here.
14336 (compute_avail): Set bb local stmt uids.
14337 (pass_pre): Use TODO_update_ssa_only_virtuals.
14339 2006-02-06 Ben Elliston <bje@au.ibm.com>
14341 * configure.ac: Unconditionally disable decimal float by default.
14342 * configure: Regenerate.
14344 2006-02-06 Ben Elliston <bje@au.ibm.com>
14346 * read-rtl.c (read_name): Terminate reading on EOF.
14348 2006-02-06 Ben Elliston <bje@au.ibm.com>
14350 * dfp.c (decimal_real_arithmetic): Change second argument type
14351 from int to enum tree_code. Do not always return true, but now
14352 return result of any call to decimal_do helper functions.
14353 * dfp.h (decimal_real_arithmetic): Update prototype.
14355 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14357 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
14359 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
14362 * tree-cfg.c (cleanup_dead_labels): Also don't remove
14365 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14367 * tree-vrp.c (cfg_loops): Removed.
14368 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
14369 Use current_loops instead of cfg_loops. Pass flags to
14370 loop_optimizer_init.
14371 * cfgloopmanip.c (fix_loop_structure): Update only available
14373 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
14374 loop_optimizer_init.
14375 * modulo-sched.c (build_loops_structure): Removed.
14376 (sms_schedule): Use loop_optimizer_init.
14377 * loop-init.c (loop_optimizer_init): Use flags to determine
14378 which properties of loops to prepare.
14379 (rtl_loop_init): Pass flags to loop_optimizer_init.
14380 * tree-ssa-sink.c (execute_sink_code): Ditto.
14381 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14382 * tree-ssa-pre.c (init_pre): Ditto.
14383 * cfgloop.h (LOOPS_NORMAL): New.
14384 (loop_optimizer_init): Declaration changed.
14386 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14388 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
14389 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
14391 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
14393 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
14395 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
14396 * pa/t-pa64: Delete quadlib.c rule.
14397 * pa/x-ada: Revert last change.
14398 * pa/t-pa: Revert last change. Delete quadlib.c rule.
14400 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14402 PR rtl-optimization/26087
14403 * rtlanal.c (canonicalize_condition): Do not cross basic block
14406 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
14409 * config/ia64/ia64.c: Include debug.h.
14410 (MAX_ARTIFICIAL_LABEL_BYTES): New.
14411 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
14412 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
14413 (process_epilogue, process_set, process_for_unwind_directive):
14414 Output unwind info only if requested. Add CFA info if requested.
14415 Add new arguments as needed. Adjust callers.
14416 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
14418 (DWARF2_FRAME_INFO): Define to zero.
14419 * config/ia64/unwind-ia64.c: Remove code that compensated for
14420 the CFA offset error fixed above.
14421 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
14422 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
14423 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
14424 -funwind-tables and -fexceptions to enable frame info.
14425 (dwarf2out_frame_init): Define initial CFA even if
14426 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
14427 DWARF2_UNWIND_INFO is nonzero, not just defined.
14428 (dwarf2out_frame_finish): Output non-EH call frame info only
14429 if DWARF2_FRAME_INFO is nonzero.
14430 (convert_cfa_to_loc_list,
14431 compute_frame_pointer_to_cfa_displacement): Define even if
14432 unwind info is not supported.
14433 (gen_subprogram_die): Use the above unconditionally. Remove
14434 legacy alternate code.
14435 * toplev.c (compile_file): Compile in call to
14436 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
14437 (lang_dependent_init): Ditto for dwarf2out_frame_init.
14439 2006-02-04 David Edelsohn <edelsohn@gnu.org>
14440 Jakub Jelinek <jakub@redhat.com>
14442 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
14443 IBM extended float format long double as "g" on powerpc*-linux.
14445 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14448 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
14449 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
14451 2006-02-03 Jason Merrill <jason@redhat.com>
14454 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
14456 PR middle-end/25977
14457 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
14458 on the return slot if it's an NRV.
14460 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
14462 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
14463 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
14464 rewrite_use): Do not handle USE_OUTER.
14465 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
14466 add_iv_outer_candidates, may_replace_final_value,
14467 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
14468 (find_interesting_uses_op): Functionality of
14469 find_interesting_uses_outer_or_nonlin moved here.
14470 (find_interesting_uses_outside): Use find_interesting_uses_op.
14472 2006-02-03 Alan Modra <amodra@bigpond.net.au>
14475 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
14477 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
14478 Ulrich Weigand <uweigand@de.ibm.com>
14481 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
14482 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
14483 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
14484 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
14486 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
14487 (s390_rtx_costs): Use the new fields to calculate rtx costs.
14488 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
14489 Define secondary reloads for TFmode moves.
14490 (constant_modes): Add TFmode.
14491 (NR_C_MODES): Set to 8.
14492 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
14494 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
14495 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
14496 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
14497 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
14498 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
14499 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
14500 (FPR mode macro): Add TFmode.
14501 (DSF mode macro): New.
14502 (<de>, <dee> mode attributes): Removed.
14503 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
14504 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
14505 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
14506 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
14507 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
14508 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
14509 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
14510 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
14511 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
14512 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
14513 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
14514 "*negabs<mode>2", "sqrt<mode>2"):
14515 Changed <de> to <xde>. R constraint replaced by <Rf>.
14516 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
14518 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
14519 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
14520 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
14522 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
14523 "extenddftf2", "extendsftf2"): New expanders.
14524 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
14525 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
14526 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
14527 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
14529 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
14530 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
14531 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
14532 __floatditf): Add a GCC_4.1.0 symbol version tag.
14533 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
14536 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
14539 * config/i386/i386.c (ix86_function_ok_for_sibcall):
14540 Use targetm.binds_local_p instead of TREE_PUBLIC.
14542 2006-02-02 Roger Sayle <roger@eyesopen.com>
14544 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
14545 on INTEGER_TYPEs to indicate that it denotes a character type.
14546 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
14547 signed_char_type_node, unsigned_char_type_node and char_type_node.
14548 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
14549 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
14550 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
14552 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
14553 Daniel Berlin <dberlin@dberlin.org>
14555 * tree-tailcall.c (arg_needs_copy_p): New function.
14556 (eliminate_tail_call): Use arg_needs_copy_p.
14557 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
14558 (add_virtual_phis): New function.
14560 2006-02-02 Jakub Jelinek <jakub@redhat.com>
14562 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
14563 #ignore instead of #scratch for %g7 .register directive.
14565 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
14567 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
14570 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14572 * flow.c (calculate_global_regs_live): Assert that there aren't any
14575 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
14577 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
14578 what its name says.
14579 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
14580 bsi_after_labels iterator.
14581 * tree-if-conv.c (find_phi_replacement_condition,
14582 replace_phi_with_cond_modify_expr): Likewise.
14583 * tree-scalar-evolution.c (scev_const_prop): Likewise.
14584 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
14586 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14588 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
14590 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14593 * tree-cfg.c (move_block_to_fn): Clear out the basic block
14594 array after growing it.
14596 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14598 PR middle-end/24901
14599 * fold-const.c (fold_checksum_tree): Change type of buf.
14601 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
14603 * reload.c (push_secondary_reload): Initialize t_icode.
14605 2006-02-01 Jakub Jelinek <jakub@redhat.com>
14607 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
14608 -msoft-float -mlong-double-128 only issue a warning, but don't
14609 swich to DFmode long double.
14611 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
14613 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
14614 has a constant equivalent, iterate over equivalents for arg0,
14615 calling simplify_relational_operation and if there's a result
14616 cheaper than X, apply fold_rtx and return the result.
14618 2006-02-01 Jan Hubicka <jh@suse.cz>
14620 * opts.c (no_unit_at_a_time_default): New global variable.
14621 (decode_options): Use it.
14622 * opts.h (no_unit_at_a_time_default): Declare.
14624 2006-02-01 Paul Brook <paul@codesourcery.com>
14626 * function.c (assign_parm_setup_reg): Use function argument promotion
14628 * expr.c (expand_expr_real_1): Use function argument promotion rules
14631 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14633 * gcc.c (process_command): Change j to 'unsigned int'.
14635 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14637 PR middle-end/26001
14638 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
14639 Use the corrected index for the character
14640 out of the string constant.
14642 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14644 * mode-switching.c (optimize_mode_switching): Fix size
14645 allocated for bb_info[n_entities].
14647 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14649 * gcc.c (main): Correct type that is allocated for
14650 explicit_link_files.
14652 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14654 * config/s390/s390.c (init_alignment_context): Set
14655 ALIAS_SET_MEMORY_BARRIER on the MEM.
14656 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14658 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
14660 PR middle-end/25933
14661 * loop-unroll.c (unroll_loop_runtime_iterations): Free
14663 * tree-ssa-live.c (type_var_init): Allocate bitmap after
14666 2006-01-31 Marcin Dalecki <martin@dalecki.de>
14668 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14669 * regrename.c: Ditto.
14670 * tree-ssa-loop-im.c: Ditto.
14671 * tree-dump.c: Ditto.
14672 * tree-complex.c: Ditto.
14673 * genrecog.c: Ditto.
14674 * tree-ssa-threadupdate.c: Ditto.
14676 * java/class.c: Ditto.
14677 * java/jcf-parse.c: Ditto.
14678 * java/resource.c: Ditto.
14679 * java/except.c: Ditto.
14680 * java/jvspec.c: Ditto.
14681 * java/jcf-write.c: Ditto.
14682 * java/jcf-path.c: Ditto.
14683 * java/gjavah.c: Ditto.
14684 * java/zextract.c: Ditto.
14685 * java/jcf-io.c: Ditto.
14686 * java/jcf.h: Ditto.
14687 * java/buffer.c: Ditto.
14688 * java/lang.c: Ditto.
14689 * java/parse-scan.y: Ditto.
14690 * java/lex.c: Ditto.
14691 * java/lex.h: Ditto.
14692 * cfgloopmanip.c: Ditto.
14693 * postreload-gcse.c: Ditto.
14694 * tree-ssa-loop-manip.c: Ditto.
14695 * postreload.c: Ditto.
14696 * tree-ssa-loop-ch.c: Ditto.
14699 * cppspec.c: Ditto.
14700 * diagnostic.c: Ditto.
14702 * genoutput.c: Ditto.
14704 * cfghooks.c: Ditto.
14705 * cfgloopanal.c: Ditto.
14706 * objc/objc-act.c: Ditto.
14708 * genextract.c: Ditto.
14709 * genautomata.c: Ditto.
14710 * pretty-print.c: Ditto.
14711 * genemit.c: Ditto.
14712 * cgraphunit.c: Ditto.
14714 * df-scan.c: Ditto.
14715 * haifa-sched.c: Ditto.
14716 * dominance.c: Ditto.
14718 * tree-ssa-loop-ivopts.c: Ditto.
14719 * df-core.c: Ditto.
14720 * mode-switching.c: Ditto.
14721 * modulo-sched.c: Ditto.
14723 * ipa-pure-const.c: Ditto.
14725 * fix-header.c: Ditto.
14727 * tree-stdarg.c: Ditto.
14728 * ipa-utils.c: Ditto.
14729 * loop-init.c: Ditto.
14730 * ipa-inline.c: Ditto.
14731 * cfganal.c: Ditto.
14733 * alloc-pool.c: Ditto.
14734 * dwarf2out.c: Ditto.
14736 * genattrtab.c: Ditto.
14737 * tree-ssa-loop-ivcanon.c: Ditto.
14738 * predict.c: Ditto.
14739 * timevar.c: Ditto.
14741 * fortran/gfortranspec.c: Ditto.
14742 * regmove.c: Ditto.
14743 * local-alloc.c: Ditto.
14744 * langhooks.c: Ditto.
14745 * function.c: Ditto.
14746 * tree-vectorizer.c: Ditto.
14748 * ipa-type-escape.c: Ditto.
14750 * tree-if-conv.c: Ditto.
14751 * profile.c: Ditto.
14753 * tree-data-ref.c: Ditto.
14754 * loop-unroll.c: Ditto.
14755 * treelang/treetree.c: Ditto.
14757 * bt-load.c: Ditto.
14758 * ggc-common.c: Ditto.
14760 * coverage.c: Ditto.
14762 * tree-cfgcleanup.c: Ditto.
14763 * tree-ssa-pre.c: Ditto.
14764 * cfgcleanup.c: Ditto.
14765 * loop-invariant.c: Ditto.
14766 * loop-iv.c: Ditto.
14767 * ipa-prop.c: Ditto.
14768 * print-tree.c: Ditto.
14769 * conflict.c: Ditto.
14770 * ggc-page.c: Ditto.
14771 * sched-deps.c: Ditto.
14772 * regclass.c: Ditto.
14773 * tree-object-size.c: Ditto.
14774 * combine.c: Ditto.
14775 * bb-reorder.c: Ditto.
14776 * resource.c: Ditto.
14777 * var-tracking.c: Ditto.
14778 * cfgloop.c: Ditto.
14779 * df-problems.c: Ditto.
14780 * reg-stack.c: Ditto.
14782 * gccspec.c: Ditto.
14783 * sched-rgn.c: Ditto.
14784 * tree-ssa-structalias.c: Ditto.
14785 * tree-ssa-reassoc.c: Ditto.
14786 * config/darwin-c.c: Ditto.
14787 * config/darwin.c: Ditto.
14788 * config/arm/arm.c: Ditto.
14790 * collect2.c: Ditto.
14791 * reload1.c: Ditto.
14793 2006-01-31 Nicolas Pitre <nico@cam.org>
14795 * arm.md (smaxsi3): Make aware of smax_m1.
14798 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14800 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14802 2006-01-31 Richard Guenther <rguenther@suse.de>
14804 * doc/invoke.texi (-msselibm): Document.
14805 * target.h (expand_library_builtin): New target hook.
14806 * builtins.c (expand_builtin): Use expand_library_builtin.
14807 (default_expand_library_builtin): New function.
14808 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14809 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14810 (link_gcc_math_spec): Declare.
14811 (static_specs): Add link_gcc_math_spec.
14812 * expr.h (default_expand_library_builtin): Declare.
14813 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14814 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14815 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14816 * config/i386/i386.opt (msselibm): New target option.
14817 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14818 (ix86_init_sse_abi_builtins): New function.
14819 (ix86_expand_library_builtin): Likewise.
14820 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14821 (override_options): Handle error conditions wrt -msselibm.
14822 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14823 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14824 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14827 2006-01-31 Richard Guenther <rguenther@suse.de>
14828 Paolo Bonzini <bonzini@gnu.org>
14830 * doc/install.texi (--disable-libgcc-math): Document.
14832 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14834 * expr.h (expand_normal): new inline function.
14835 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14836 * dojump.c: use it.
14837 * dwarf2out.c: use it.
14840 * expmed.c: use it.
14841 * except.c: use it.
14842 * config/sparc/sparc.c: use it.
14843 * config/i386/i386.c: use it.
14844 * config/rs6000/rs6000.c: use it.
14845 * config/arm/arm.c: use it.
14846 * config/mips/mips.c: use it.
14847 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14849 2006-01-30 Roger Sayle <roger@eyesopen.com>
14851 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14852 argv to the appropriate type.
14854 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14856 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14859 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14862 * config/s390/s390.c (struct machine_function): New flag
14863 decomposed_literal_pool_addresses_ok_p.
14864 (s390_reorg): Set it before final stage of literal pool transforms.
14865 (s390_decompose_address): Only accept displacements of the form
14866 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14868 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14870 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14871 the comparison routine return.
14873 2006-01-30 Michael Matz <matz@suse.de>
14875 * global.c (find_reg): Only evict for global regs.
14876 Take n_refs into account and dump more info.
14878 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14881 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14882 (pragma_trap, pragma_nosave_low_regs): Likewise.
14883 (current_function_anonymous_args): Likewise.
14884 (sh_deferred_function_attributes): New variable.
14885 (sh_deferred_function_attributes_tail): Likewise.
14886 (print_operand): For '@', look up trap_exit attribute.
14887 (calc_live_regs): Look up trapa_handler attribute. For trapa
14888 handlers, save/restore fpscr, but don't do any other
14889 interrupt-specific saves.
14890 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14891 Fix check for partially saved registers to check for SHmedia.
14892 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14893 (sh_output_function_epilogue): Don't clear any of the removed
14895 (sh_insert_attributes): Don't check pragma_interrupt.
14896 Insert deferred attributes. Check that interrupt attribute is
14897 present for other attributes that require its presence.
14898 (sh_attribute_table): Add new attributes trapa_handler and
14900 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14901 Don't check for pragma_interrupt. Don't store argument.
14902 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14903 (sh_deferred_function_attributes): Declare.
14904 (sh_deferred_function_attributes_tail): Likewise.
14905 * sh.md (sp_switch_1): Add operand. Change generator caller.
14906 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14907 (*return_i): Don't use when trap_exit attribute is in effect.
14908 (*return_trapa): New insn pattern.
14909 * sh-c.c: New file.
14910 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14911 setting c_target_objs and cxx_target_objs.
14912 * t-sh: Add rule for sh-c.o.
14914 2006-01-30 Richard Guenther <rguenther@suse.de>
14917 * gimplify.c (gimplify_target_expr): Handle easy cases
14918 without creating a temporary.
14920 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14922 * vec.h (safe_grow): Remove duplicated line.
14924 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14927 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14928 (expand_omp): ... here.
14929 (expand_omp_parallel): Only remove barriers for combined
14930 parallel+workshare constructs.
14932 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14936 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14937 * tree.c (build_qualified_type): Chain the new type to the original
14938 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14939 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14940 (build_pointer_type_for_mode): Only return unqualified types.
14941 (build_reference_type_for_mode): Likewise.
14943 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14945 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14946 * Makefile.in (CXX_COMPAT_WARN): Define.
14947 * configure: Regenerate.
14949 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14952 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14955 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14957 * toplev.c: Fix thinko.
14959 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14960 Marcin Dalecki <martin@dalecki.de>
14962 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14963 (push_srcloc): Use XNEW.
14964 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14966 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14968 * df-core.c (df_set_blocks): Deleted all variable.
14970 2006-01-28 Ian Lance Taylor <ian@airs.com>
14972 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14973 cgraph_output_pending_asms.
14975 2006-01-28 Zack Weinberg <zackw@panix.com>
14977 * c.opt: Add -W(no-)overlength-strings.
14978 * doc/invoke.texi: Document it.
14979 * c-opts.c (c_common_handle_option): -pedantic implies
14980 -Woverlength-strings, if not explicitly disabled already.
14981 (c_common_post_options): -Woverlength-strings defaults to off, and
14982 is always off for C++.
14983 * c-common.c (fix_string_type): Issue warning about strings longer
14984 than is portable only if warn_overlength_strings. Rearrange code
14985 a little for clarity.
14986 * configure.in: Check for -Wno-overlength-strings as well before
14987 enabling -pedantic in stage 1.
14988 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14989 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14991 * genconditions.c (write_header, write_one_condition)
14992 (write_conditions, write_writer): Consolidate very long strings
14993 that were broken up to fit in C89 portable limit. Don't use
14994 printf when fputs will do.
14996 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14998 * combine.c (simplify_comparison <AND>): Check
14999 TRULY_NOOP_TRUNCATION before start using a subreg.
15001 * config/mips/mips.md (*branch_zero<mode>,
15002 *branch_zero<mode>_inverted, *branch_equality<mode>,
15003 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
15004 Remove mode check from comparisons.
15006 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
15008 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
15010 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15012 * expmed.c (const_mult_add_overflow_p): Remove.
15013 * expr.h: Remove the prototype for const_mult_add_overflow_p.
15015 * recog.c (validate_replace_rtx_subexp): Remove.
15016 * recog.h: Remove the prototype for
15017 validate_replace_rtx_subexp.
15019 * integrate.h: Remove the prototype for
15020 copy_decl_for_inlining.
15021 * rtl.h: Remove the prototype for mark_constant_function.
15022 * tree-vectorizer.h: Remove the prototype for
15023 vect_strip_conversion.
15025 * modulo-sched.c (create_partial_schedule,
15026 free_partial_schedule, reset_partial_schedule): Make them
15029 * hooks.c (hook_bool_rtx_int_false): Remove.
15030 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
15032 2006-01-28 David Edelsohn <edelsohn@gnu.org>
15034 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15035 and -mlong-double-128 are incompatible.
15036 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
15037 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
15038 (TARGET_LIBGCC2_CFLAGS): Define.
15039 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
15040 (TARGET_LIBGCC2_CFLAGS): Same.
15041 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
15043 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15046 * c-typeck.c (build_binary_op): Perform implicit casts of
15047 operands before shortening them.
15049 * cfgloopmanip.c (split_loop_bb): Remove.
15050 * cfgloop.h: Remove the prototype for split_loop_bb.
15052 * cfgloop.c (flow_loop_outside_edge_p): Remove.
15053 * cfgloop.h: Remove the prototype for
15054 flow_loop_outside_edge_p.
15056 * emit-rtl.c (init_virtual_regs): Make it static.
15057 * function.h: Remove the prototype for init_virtual_regs.
15059 * recog.c (peephole2_optimize): Make it static.
15060 * recog.h: Remove the prototype for peephole2_optimize.
15062 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15064 * df-scan.c (df_record_entry_block_defs): Check if
15065 INCOMING_RETURN_ADDR_RTX is defined.
15067 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
15068 Kenneth Zadeck <zadeck@naturalbridge.com>
15070 PR rtl-optimization/24762
15071 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15072 * targhooks.c (hook_void_bitmap): New hook prototype.
15073 * targhoohs.h (hook_void_bitmap): Ditto.
15074 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
15075 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
15076 * target.h (live_on_entry): New function pointer.
15077 * df-scan.c (df_all_hard_regs): Removed.
15078 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
15079 (df_scan_free_internal): Added df->entry_block_defs.
15080 (df_scan_alloc): Ditto.
15081 (df_scan_dump): Ditto.
15082 (df_uses_record): Plumbed flag field properly thru calls.
15083 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
15084 This part fixes PR24762.
15085 (df_bb_refs_record): Added code to make the frame and arg
15086 pointers live in EH blocks.
15087 (df_refs_record): Added call to df_record_entry_block_defs.
15088 (df_record_entry_block_defs): New function.
15089 * df-core.c: Added comments to describe new artifical defs.
15090 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
15091 (entry_block_defs): New field in struct df.
15092 (df_all_hard_regs): Deleted.
15093 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15094 * df-problems.c (df_ru_bb_local_compute_process_def):
15095 Added code to handle artifical defs in the entry to a function.
15096 (df_ru_bb_local_compute): Ditto.
15097 (df_rd_bb_local_compute_process_def): Ditto.
15098 (df_rd_bb_local_compute): Ditto.
15099 (df_lr_bb_local_compute): Ditto.
15100 (df_ur_bb_local_compute): Ditto.
15101 (df_urec_bb_local_compute): Ditto.
15102 (df_chain_create_bb): Ditto.
15103 (df_ur_local_finalize): Removed entry.
15104 (df_urec_init): Ditto.
15105 (df_urec_local_finalize): Ditto.
15106 (df_ri_bb_compute): Added detection of last use of pseudos.
15107 * Makefile.in (df-scan.o): Updated dependencies.
15108 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
15109 * config/mips/mips.c (mips_set_live_on_entry): Added.
15110 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
15112 * dce.c (marked_insn_p): Added code to handle artifical defs.
15114 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15116 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
15118 (_mm_cvtsi128_si64): Likewise.
15119 (_mm_cvtsd_si64): Likewise.
15120 (_mm_cvttsd_si64): Likewise.
15121 (_mm_cvtsi64_sd): Likewise.
15122 (_mm_cvtsi64_si128): Likewise.
15123 * config/i386/mmintrin.h (_m_from_int64): Likewise.
15124 (_mm_cvtsi64_m64): Likewise.
15125 (_m_to_int64): Likewise.
15126 (_mm_cvtm64_si64): Likewise.
15127 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
15128 (_mm_cvttss_si64): Likewise.
15129 (_mm_cvtsi64_ss): Likewise.
15130 (_mm_cvtss_f32): Likewise.
15132 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
15134 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
15135 for pragma redefine_extname.
15137 2006-01-27 Jakub Jelinek <jakub@redhat.com>
15140 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
15141 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
15142 -mno-minimal-toc to previous content.
15143 (bispecs): Remove goal.
15144 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
15145 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
15146 compatibility aliases on powerpc-*-*gnu*.
15147 * config/rs6000/libgcc-ppc-glibc.ver: New file.
15148 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
15149 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
15150 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
15151 (ldblspecs): New goal.
15152 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
15153 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
15155 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
15156 L_sf_to_tf or L_df_to_tf is defined.
15158 2006-01-27 David Edelsohn <edelsohn@gnu.org>
15159 Alan Modra <amodra@bigpond.net.au>
15162 * config/rs6000/linux.h (POWERPC_LINUX): Define.
15163 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
15164 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
15165 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
15166 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
15167 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
15168 (rs6000_override_options): Initialize rs6000_ieeequad.
15169 Initialize TFmode format to ibm_extended_format if not
15171 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
15173 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
15174 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
15175 (function_arg_advance): IBM long double passed in two FPRs, not
15177 (function_arg): IBM long double passed in FPRs.
15178 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
15179 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
15180 Only multireg GPR aligned.
15181 (rs6000_init_libfuncs): Enable IBM long double functions if not
15183 (rs6000_generate_compare): Use IBM long double compare if not
15185 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
15186 (TARGET_IEEEQUAD): Define.
15187 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
15188 not TARGET_IEEEQUAD.
15189 * config/rs6000/rs6000.md: Enable TFmode patterns if
15191 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
15192 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15193 and -mlong-double-128 are incompatible.
15194 * doc/invoke.texi (-mabi): Collect options together. Add
15195 ibmlongdouble and ieeelongdouble.
15197 2006-01-27 Richard Sandiford <richard@codesourcery.com>
15199 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
15201 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
15202 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
15203 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
15204 * rtl.h (rtunion_def): Remove rt_ptr.
15206 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
15207 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
15208 * config/i386/winnt.c (i386_pe_mark_dllexport)
15209 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
15211 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
15213 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
15215 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15219 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
15220 pthread_key_delete. From John David Anglin. gthrw-ify
15221 pthread_getunique_np only if it it's not a macro. Delete
15223 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
15224 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
15225 __gthread_objc_condition_signal, __gthread_key_delete): Add
15226 "__attribute__ ((__unused__))" to unused arguments.
15227 (__gthread_recursive_mutex_init_function): Add missing return.
15228 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
15229 gthr-posix95.h: Use macro-based approach for name redirection
15230 on targets missing weakref.
15232 2006-01-26 Zack Weinberg <zackw@panix.com>
15234 * genconditions.c (write_header): In generated code, #ifdef out
15235 all includes and fake declarations, except includes of bconfig.h
15236 and system.h, unless GCC_VERSION >= 3001. Do not include
15237 gensupport.h in any case.
15238 (write_conditions): Generate a definition of struct c_test. Add
15239 a comment to the generated #endif.
15240 (write_one_condition): Escape backslashes in string too.
15241 (write_writer): Generated code must escape backslashes and quote
15242 marks (but not newlines) in the strings it writes.
15243 * Makefile.in (build/gencondmd.o): Update dependencies.
15245 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15248 * Makefile.in (insn-automata.o): Add header file dependencies.
15249 * genautomata.c: Add includes.
15251 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15254 * Makefile.in (insn-automata.o): Add -Wno-error flag.
15256 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15258 * configure.ac: Expect target tools paths to be passed from the toplevel
15259 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
15261 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
15263 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15266 * c.opt (Wpointer-sign): Init to -1.
15267 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
15268 OPT_pedantic, to 0 otherwise.
15269 * doc/invoke.texi: Update.
15271 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15273 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
15274 constants provided by 80387 instructions in the destination mode.
15276 2006-01-26 Richard Guenther <rguenther@suse.de>
15277 Andrew Pinski <pinskia@physics.uc.edu>
15280 partial PR tree-opt/17064
15281 * tree-ssa-structalias.c (intra_create_variable_infos):
15282 Create heap variables for incoming parameters if
15283 flag_argument_noalias > 1.
15284 (find_what_p_points_to): Look through default defs of
15287 2006-01-26 Jeff Law <law@redhat.com>
15290 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
15291 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
15292 within the VR_RANGE, use the VR_RANGE as the result, not the
15294 (adjust_range_with_scev): Reject ranges from SCEV which are out of
15295 bounds for the type.
15297 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
15299 * tree-ssa-alias.c (maybe_create_global_var): Change
15300 subvar walking to an assertion that we don't have subvar'd variables.
15302 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
15305 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
15306 Use a new variable, inner. PARM_DECLs are always non-weak.
15308 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
15310 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
15311 --disable-checking.
15313 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
15315 * config/mips/mips.md (*clear_upper32): New combiner pattern.
15317 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
15319 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
15320 (smax_insn, smin_insn, smax_0, smin_0): New.
15322 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
15325 * config/cris/cris.c (cris_order_for_addsi3): New function.
15326 * config/cris/cris-protos.h: Prototype it.
15327 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
15328 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
15329 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
15330 (split for "op.S1 [rx=rx+i],ry (swapped)")
15331 (split for "op(s|u).S1 [rx=rx+i],ry")
15332 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
15333 Apply cris_order_for_addsi3 when generating addsi3 insns.
15335 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15337 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
15338 (TREE_BLOCK): Add call to EXPR_CHECK.
15340 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15343 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
15344 * tree-pretty-print.c (dump_omp_clause): Extract from ...
15345 (dump_omp_clauses): ... here.
15346 (dump_generic_node): Handle OMP_CLAUSE.
15347 * tree.c (omp_clause_num_ops): New.
15348 (omp_clause_code_name): New.
15349 (tree_code_size): Handle OMP_CLAUSE.
15350 (tree_size): Likewise.
15351 (make_node): Document handling of OMP_CLAUSE.
15352 (tree_node_structure): Handle OMP_CLAUSE.
15353 (omp_clause_check_failed): New.
15354 (omp_clause_range_check_failed): New.
15355 (omp_clause_operand_check_failed): New.
15356 (build_omp_clause): New.
15357 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
15358 * tree.h (enum omp_clause_code): Declare.
15359 (OMP_CLAUSE_SUBCODE_CHECK): Define.
15360 (OMP_CLAUSE_RANGE_CHECK): Define.
15361 (OMP_CLAUSE_ELT_CHECK): Define.
15362 (omp_clause_check_failed): Declare.
15363 (omp_clause_operand_check_failed): Declare.
15364 (omp_clause_range_check_failed): Declare.
15365 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
15366 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
15367 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
15368 (OMP_CLAUSE_LASTPRIVATE): Likewise.
15369 (OMP_CLAUSE_IF_EXPR): Likewise.
15370 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
15371 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
15372 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
15373 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
15374 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
15375 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
15376 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
15377 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
15378 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
15379 (OMP_CLAUSE_CODE): Define.
15380 (OMP_CLAUSE_SET_CODE): Define.
15381 (OMP_CLAUSE_CODE): Define.
15382 (OMP_CLAUSE_OPERAND): Define.
15383 (struct tree_omp_clause): Declare.
15384 (union tree_node): Add field 'omp_clause'.
15385 * treestruct.def (TS_OMP_CLAUSE): Define.
15386 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
15387 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
15388 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
15389 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
15390 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
15391 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
15392 (OMP_CLAUSE): Define.
15393 * print-tree.c (print_node): Handle OMP_CLAUSE.
15394 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
15395 * c-typeck.c: Likewise.
15396 * gimplify.c: Likewise.
15397 * c-omp.c: Likewise.
15398 * tree-nested.c: Likewise.
15399 * tree-inline.c: Likewise.
15400 * c-parser.c: Likewise.
15401 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
15404 2006-01-25 Roger Sayle <roger@eyesopen.com>
15406 PR rtl-optimization/25703
15407 * combine.c (try_combine): Handle zero_extract and strict_low_part
15408 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
15410 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
15412 * global.c: Fix comment typos.
15414 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
15417 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
15418 Use output_addr_const instead of assemble_name.
15420 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
15422 * Makefile.in (sched-vis.o): Update dependencies.
15423 * haifa-sched.c (sched_finish): Clear current_sched_info.
15424 * cfg.c (dump_bb_info): New, split from dump_flow_info.
15425 (dump_flow_info): Call it.
15426 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
15428 * basic-block.h (dump_bb_info): Declare.
15429 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
15430 option, and apply options only for dump files whose TDF_RTL,
15431 TDF_TREE, or TDF_IPA bits match.
15432 * rtl.h: Declare new functions exported from sched-vis.c.
15433 * sched-vis.c: Enable also if scheduling is not used.
15434 (print_value): Print the mode of registers if not inside scheduling.
15435 (print_insn): Make it work outside the scheduler. Beautify the output
15437 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
15439 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15441 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
15442 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
15443 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
15444 depending on the value of CONSTANT_POOL_ADDRESS_P.
15445 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
15447 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
15448 rather than SYMBOL_REF_DECL.
15449 (rtx_constant_pool): Remove const_rtx_sym_htab.
15450 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
15451 (init_varasm_status): Don't initialize const_rtx_sym_htab.
15452 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
15453 Remove handling of const_rtx_sym_htab.
15454 (find_pool_constant): Delete.
15455 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
15456 rather than find_pool_constant.
15457 (get_pool_constant_for_function): Delete.
15458 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
15459 find_pool_constant.
15460 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
15461 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
15462 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
15463 (SYMBOL_REF_CONSTANT): New macro.
15464 (get_pool_constant_for_function): Delete.
15465 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
15466 rather than SYMBOL_REF_DECL.
15467 (i386_pe_mark_dllimport): Likewise.
15468 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
15469 rather than SYMBOL_REF_DECL.
15470 * config/darwin.c (machopic_indirect_data_reference): Likewise.
15471 (machopic_indirect_call_target): Likewise.
15473 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
15475 * flow.c (delete_noop_moves): Add missing EOL to dump message.
15477 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15479 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
15481 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
15483 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
15485 2006-01-24 David Daney <ddaney@avtrex.com>
15488 * configure.ac (enable_tls): New enable option.
15489 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
15490 * configure: Regenerate.
15491 * doc/install.texi (--enable-tls): Document new option.
15492 (--disable-tls): Ditto.
15494 2006-01-24 Richard Henderson <rth@redehat.com>
15496 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
15497 * alias.c (true_dependence): Respect it.
15498 (canon_true_dependence, write_dependence_p): Likewise.
15499 * builtins.c (get_builtin_sync_mem): Set it.
15501 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
15503 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
15506 2006-01-24 DJ Delorie <dj@redhat.com>
15508 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
15509 for storing constants in single-bit bitfields.
15511 2006-01-25 Ben Elliston <bje@au.ibm.com>
15513 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
15515 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
15518 * tree-ssa-pre.c (phi_translate): Return NULL
15519 for AGGREGATE_TYPE's.
15521 2006-01-24 Zack Weinberg <zackw@panix.com>
15523 * genautomata.c (process_state_for_insn_equiv_partition):
15524 Use xcalloc for insn_arcs_array.
15525 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
15526 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
15528 2006-01-24 Richard Henderson <rth@redhat.com>
15530 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
15531 update all callers.
15533 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
15535 PR rtl-optimization/25890
15536 PR rtl-optimization/25905
15537 * combine.c (expand_compound_operation, expand_field_assignment):
15538 Fail if the bitfield's final position is out of bounds.
15540 2006-01-24 Ian Lance Taylor <ian@airs.com>
15542 PR middle-end/25930
15543 * cgraphunit.c (cgraph_output_in_order): Don't clear
15544 cgraph_asm_nodes until after asm strings have been output.
15546 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
15548 * fix-header.c (read_scan_file): Add new parameter imultilib when
15549 calling register_include_chains.
15551 2006-01-23 Diego Novillo <dnovillo@redhat.com>
15553 * omp-low.c: Update documentation.
15555 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15556 Daniel Berlin <dberlin@dberlin.org>
15560 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
15561 return from the function.
15563 2006-01-22 Zack Weinberg <zackw@panix.com>
15565 * rtl.def (match_code): Add second argument.
15566 * genpreds.c (write_extract_subexp): New function.
15567 (write_match_code): Add path argument. Use write_extract_subexp.
15568 (write_predicate_expr): Pass path to write_match_code.
15569 (mark_mode_tests): MATCH_CODE applied to a subexpression does
15570 not perform a mode test.
15571 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
15572 a subexpression does not constrain the top-level code set.
15573 * read-rtl.c (read_rtx_variadic): New function.
15574 (read_rtx_1): Use it; allow AND and IOR to be variadic.
15575 * doc/md.texi: Document new notation.
15576 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
15577 (cmpsi_operand): ... here, using new notation.
15579 2006-01-22 Zack Weinberg <zackw@panix.com>
15581 * varray.c: Remove GENERATOR_FILE #ifdefs.
15583 2006-01-22 Zack Weinberg <zackw@panix.com>
15585 * genautomata.c (output_reserved_units_table): Emit nothing if
15586 description->query_units_num is zero. Remove extra blank line.
15587 (output_cpu_unit_reservation_p): Short circuit
15588 if description->query_units_num is zero.
15590 2006-01-22 Zack Weinberg <zackw@panix.com>
15592 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
15593 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
15594 nor any of the random handful of variables that used to be necessary
15595 when this program was linked with rtlanal.o. Prune set of forward
15596 function declarations.
15597 (struct attr_desc): Remove static_p field.
15598 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
15599 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
15600 (attr_string): Do not read the character one past the length of
15602 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
15603 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
15604 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
15605 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
15606 (make_automaton_attrs): New.
15607 (main): Do not call into genautomata. Call local gen_bypass
15608 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
15609 Remove special case for insn_alts.
15610 * genautomata.c: Include gensupport.h; not genattrtab.h nor
15611 varray.h (leftover from previous change). Prune set of forward
15612 function declarations. Remove state_alts fields from all
15613 structures. Remove state_alts_table from struct automaton.
15614 Make everything except main static. Do not maintain num_dfa_decls.
15615 Do not maintain state_alts fields of various structures.
15616 (process_decls): Don't validate condexp for dm_insn_reserv decls.
15617 (add_arc): Remove state_alts argument. All callers updated.
15618 (output_reserved_units_table): Emit #ifdef here...
15619 (output_tables): ...not here. Don't generate state_alts tables.
15620 (expand_automata): Don't generate attributes.
15621 (write_automata): Don't generate state_alts functions.
15622 (main): New function.
15623 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
15624 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
15625 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
15626 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
15627 (BYPASS_P_FUNC_NAME, output_state_alts_table)
15628 (output_automata_list_state_alts_code, output_internal_state_alts_func)
15629 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
15630 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
15632 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15633 * genattrtab.h: Delete file.
15634 * Makefile.in (OBJS-common): Add insn-automata.o.
15635 (insn-automata.o): New rule.
15636 (simple_generated_c): Add insn-automata.c.
15637 (build/genattrtab.o, build/genautomata.o): Update dependencies.
15638 (genprogmd): Add automata.
15639 (build/genattrtab): Needs no extra objects nor libraries.
15640 (build/genautomata): Needs build/vec.o and -lm.
15642 2006-01-22 Zack Weinberg <zackw@panix.com>
15644 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15645 (output_dfa_max_issue_rate, locked_states_num): Delete.
15646 (struct automaton): Add locked_states field.
15647 (output_dead_lock_vect): Save number of locked states in
15648 automaton->locked_states. If it is zero, don't print anything.
15649 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15650 (output_internal_dead_lock_func): Only test the dead_lock_vect
15651 for automata that have locked states.
15652 (output_statistics): Always print the number of locked states for
15653 each automaton. Calculate total number of locked states here.
15654 (write_automata): Don't call output_dfa_max_issue_rate.
15655 * genattrtab.c: Define length_unit_log as a const variable.
15656 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15657 max_insn_queue_index const.
15658 * final.c (length_unit_log): Declare const.
15659 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15661 2006-01-22 Zack Weinberg <zackw@panix.com>
15663 * genautomata.c: Include vec.h, not varray.h.
15664 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15665 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
15666 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
15667 VEC_* macros operating on appropriately typed vectors, or to
15668 malloced arrays when the size is known in advance. Const-ify
15669 many char* variables and function arguments. No functional changes.
15670 * Makefile.in (build/varray.o): Delete rule.
15671 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15672 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15674 2006-01-22 Zack Weinberg <zackw@panix.com>
15676 * gensupport.c: Define get_insn_name and record_insn_name here.
15677 (read_md_rtx): Call record_insn_name as appropriate.
15678 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15679 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15680 * genpreds.c, genrecog.c: Don't define get_insn_name nor
15682 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15683 (BUILD_VARRAY): Delete.
15684 (genprognormal): Rename genprogmd. Fold in all programs from
15685 genprognoprint; also attrtab.
15686 (build/genattrtab): Just mention genautomata.o and varray.o.
15687 Reorganize a bit, add comments to make the categories clearer.
15689 2006-01-22 Zack Weinberg <zackw@panix.com>
15691 * genconditions.c (condition_table, add_condition): Delete.
15692 (write_conditions): Don't emit n_insn_conditions nor
15693 insn_elision_unavailable. Issue the gcc version #ifdef here,
15694 inside the table, with no #else clause ...
15695 (write_header): ...not here.
15696 (write_writer): New function.
15697 (main): Don't initialize condition_table. Use add_c_test.
15699 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15700 files on the command line.
15701 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15702 Return -1 if there is no entry in the table, don't abort.
15703 (add_c_test, traverse_c_tests): New functions.
15704 * gensupport.h (insn_elision_unavailable, insn_conditions)
15705 (n_insn_conditions): Delete declarations.
15706 (add_c_test, traverse_c_tests): Declare.
15707 * read-rtl.c: Include gensupport.h.
15708 (read_conditions): New function.
15709 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15710 (read_rtx_1): If we get EOF when we were looking for an initial
15711 open paren, return 0. Call read_conditions when appropriate.
15712 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15713 dummy-conditions.o. Eliminate references to insn-conditions.o,
15714 or change them to build/gencondmd.o, as appropriate. Remove
15715 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15716 from $(simple_generated_c). For all files remaining in those
15717 two lists, add insn-conditions.md to the generator command line.
15718 Give insn-constants.h/s-constants their own rules. Add rules
15719 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15720 (build/read-rtl.o): Depend on gensupport.h.
15721 (genprognormal): Include preds.
15722 (genprogearly): Rename genprognoprint; only difference is now that
15723 they don't link with $(BUILD_PRINT).
15724 * dummy-conditions.c: Delete.
15726 2006-01-22 Zack Weinberg <zackw@panix.com>
15728 * genextract.c: Don't include insn-config.h. Do include vec.h.
15729 Declare vectors of int, char, and locstr.
15730 (locstr): New typedef.
15731 (struct extraction): Make all array fields into bare pointers.
15732 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15733 (insn_code_number): Delete.
15734 (accum_extract): New struct.
15735 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15736 (gen_insn): Take insn_code_number as an argument. Use an
15737 accum_extract structure instead of loading data directly into
15738 a struct extraction, and having to know how big it might get.
15739 (walk_rtx): Operate entirely on an accum_extract structure.
15740 (print_path): Avoid unnecessary use of printf.
15741 (print_header): New function, split out of main. Distinguish
15742 more carefully between an unrecognizable insn and an insn that
15743 has the code number of a define_expand.
15744 (main): Pass insn_code_number to gen_insn. Call print_header
15745 only after parsing. Avoid unnecessary use of printf.
15746 * Makefile.in (build/vec.o): New rule.
15747 (build/genextract): Depend on build/vec.o.
15748 (build/genextract.o): Don't depend on insn-config.h.
15750 2006-01-22 Zack Weinberg <zackw@panix.com>
15752 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15753 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15754 practical. Eliminate per-generator-program link rules.
15756 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15758 PR middle-end/24437
15759 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15760 with a call expr to ...
15761 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15763 2006-01-23 Richard Guenther <rguenther@suse.de>
15765 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15766 before make_edge with conditional EDGE_TRUE_VALUE.
15768 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15769 Jan Hubicka <jh@suse.cz>
15770 Richard Guenther <rguenther@suse.de>
15772 PR rtl-optimization/25654
15773 * cfgexpand.c (aggregate_contains_union_type): New function.
15774 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15775 for structure variables that contain a union type.
15777 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15779 * gengtype.c (new_structure): Return the structure.
15780 (create_option): Add an extra "next" argument.
15781 (create_field): New function.
15782 (adjust_field_rtx_def): Use create_option and create_field.
15783 Remove a now-unnecessary call to find_structure.
15784 (adjust_field_tree_def): Likewise.
15785 (note_yacc_type): Remove an unnecessary call to find_structure.
15786 * gengtype.h (new_structure): Return the structure.
15787 (create_option): Add an extra argument.
15788 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15789 (option): Adjust calls to create_option.
15791 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15793 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15795 2006-01-22 Paul Brook <paul@codesourcery.com>
15796 Peter Barada <peter@the-baradas.com>
15798 * config/m68k/m68k.md: Add Coldfire FPU support.
15799 Define FP mode macro and associated attributes.
15800 Use it for float mode patterns.
15801 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15802 (LIBCALL_VALUE): Use m68k_libcall_value.
15803 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15804 (m68k_function_value): Ditto.
15805 (emit_move_sequence): Ditto.
15806 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15807 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15808 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15809 (MULTILIB_EXCEPTIONS): Ditto.
15810 * config/m68k/m68k.opt: Add mcfv4e.
15811 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15812 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15813 (m68k_output_function_prologue): Save ColdFire FPU registers.
15814 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15815 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15816 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15817 ColdFire FPU registers.
15818 (m68k_libcall_value, m68k_function_value): New functions.
15819 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15820 (LIBCALL_VALUE): Use m68k_libcall_value.
15821 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15822 (MASK_COLDFIRE): Add MASK_CFV4E.
15823 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15824 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15825 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15826 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15827 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15828 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15829 * doc/invoke.tex: Document -mcfv4e on m68k.
15831 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15833 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15836 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15839 * c-opts.c (c_common_handle_option): Don't include
15840 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15841 * doc/invoke.texi (C++ Dialect Options): Document that
15842 -Wnon-virtual-dtor is no longer included in -Wall.
15844 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15846 * gcov.c (print_version), gcov-dump.c (print_version),
15847 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15850 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15852 * df-scan.c (problem_SCAN): Added NULL reset function.
15853 (df_scan_reset_blocks): Added code to call reset block function
15854 (df_bb_refs_delete) Fixed comment.
15855 (df_insn_refs_delete): Made tolerant of deleting non existent info
15856 for dataflow problems that need to be reset.
15857 * df-core.c (df_set_blocks): Ditto.
15858 * df.h (struct df_problem): Added reset_fun.
15859 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15860 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15861 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15862 functions to clear out all references to def-use or use-def chains.
15864 2006-01-21 Ben Elliston <bje@au.ibm.com>
15866 * varasm.c (assemble_real): Initialise data array.
15868 2006-01-20 Paul Brook <paul@codesourcery.com>
15870 Merge from csl-arm-branch.
15871 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15872 * config/arm/arm.md (movdi): Force operands[1] to a register
15873 if we have a non-register source.
15874 (*arm_movdi, *movdf_soft_insn): Require that one of the
15875 operands be a register.
15876 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15877 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15879 2006-01-20 DJ Delorie <dj@redhat.com>
15881 * varasm.c (initializer_constant_valid_p): Allow pointers
15882 initialized from integer constants of lesser precision.
15883 (output_constant): Allow non-int-sized pointer modes to be
15884 initialized from integer constants.
15886 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15889 * cppdefault.h (struct default_include): Add multilib flag.
15890 * cppdefault.c (cpp_include_defaults): Set it.
15891 * c.opt (-imultilib): New option.
15892 * c-opts.c (imultilib): New.
15893 (c_common_handle_option): Handle -imultilib.
15894 (c_common_post_options): Likewise.
15895 * c-incpath.c (add_standard_paths, register_include_chains):
15897 * c-incpath.h (register_include_chains): Add extra parameter.
15898 * gcc.c (do_spec_1): Generate -imultilib option.
15899 (The Specs Language): Update %I description.
15900 (process_command): Update copyright notice.
15901 * doc/cppopts.texi (-imultilib): Document.
15902 * doc/invoke.texi (-imultilib): Include in option summary.
15903 (%I): Update specs documentation.
15905 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15907 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15909 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15911 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15914 2006-01-20 Richard Guenther <rguenther@suse.de>
15915 Steven Bosscher <stevenb.gcc@gmail.com>
15917 PR rtl-optimization/24626
15918 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15919 EDGE_TRUE_VALUE if in RTL mode.
15922 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15923 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15925 2006-01-20 Dirk Mueller <dmueller@suse.com>
15928 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15929 instead of a special NOP marker.
15930 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15931 NOP marker handling.
15932 * c-common.h (empty_body_warning): Add forward declaration.
15933 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15934 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15936 2006-01-20 Paul Brook <paul@codesourcery.com>
15938 * Makefile.in (lang_checks): Keep going if mkdir fails.
15940 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15942 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15943 be able to clean out basic block when not necessary.
15944 (df_scan_free): Fixed to properly delete information if df is
15945 unused before calling df_finish.
15946 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15947 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15949 (df_bb_refs_delete): New function.
15950 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15951 * df-core.c (df_set_blocks): Added code to properly clean out
15952 unused blocks if they are not part of the blocks to consider.
15953 Added additional null check.
15954 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15955 be able to clean out basic block when not necessary
15956 * df.h (df_free_bb_function): Ditto.
15957 (df_bb_refs_delete): New function.
15958 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15959 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15960 basic block parameter to be able to clean out basic block when not
15962 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15963 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15964 Fixed to properly delete information if df is unused before
15967 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15969 PR rtl-optimization/25799
15970 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15971 Corrected confluence operator to remove bits from op2 before oring
15972 with op1 rather than removing bits from op1.
15973 (df_ru_transfer_function): Corrected test on wrong bitmap which
15974 caused infinite loop. Both of these problems were introduced in
15975 the dataflow rewrite.
15977 2006-01-19 DJ Delorie <dj@redhat.com>
15979 * reload1.c (find_reload_regs): Note the details of reload
15980 failures in the dump file.
15981 (spill_failure): Likewise.
15983 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15985 * loop-iv.c: Include df.h and hashtab.h.
15986 (enum iv_grd_result): New enum.
15987 (DF_REF_IV, DF_REF_IV_SET): New macros.
15988 (struct biv_entry): New.
15989 (df, bivs): New global variables.
15990 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15991 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15993 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15994 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15995 analyzed_for_bivness_p, record_biv): New functions.
15996 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15997 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15998 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
16000 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
16002 (iv_number_of_iterations): Use new interface to iv analysis.
16003 * loop-unroll.c: Do not include varray.h.
16004 (analyze_iv_to_split_insn): Use new interface to iv
16006 * loop-unswitch.c (may_unswitch_on): Ditto.
16007 * df.c (df_bitmaps_free): Only work for bbs for that structures are
16009 (df_bb_modify): Realloc tables to the new index.
16010 (df_find_use): New function.
16011 * df.h (df_find_use): Declare.
16012 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
16014 * cfgloop.h (struct rtx_iv): Remove analysed field.
16015 (iv_get_reaching_def): Removed.
16016 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
16017 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
16018 (loop-iv.o): Add df.h and hashtab.h dependency.
16019 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
16021 2006-01-20 Alan Modra <amodra@bigpond.net.au>
16024 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
16026 (__floatundisf, __floatundidf): Likewise.
16027 * libgcc2.h (IS_IBM_EXTENDED): Define.
16029 2006-01-19 DJ Delorie <dj@redhat.com>
16031 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
16033 2006-01-19 Paul Brook <paul@codesourcery.com>
16035 * config/arm/arm.c (arm_compute_func_type): Treat all functions
16036 as nothrow when unwinding tables are disabled.
16038 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16041 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
16042 of bit-field" when in system header.
16044 2006-01-19 DJ Delorie <dj@redhat.com>
16046 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
16047 the 16 bit shift limit of the m16c.
16049 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
16052 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
16053 * config/i386/i386.c (output_set_got): Output the label if we have one
16054 for the TARGET_DEEP_BRANCH_PREDICTION case.
16056 2006-01-19 Jan Hubicka <jh@suse.cz>
16057 H.J. Lu <hongjiu.lu@intel.com>
16058 Evandro Menezes <evandro.menezes@amd.com>
16060 * invoke.texi (generic): Document
16062 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
16063 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
16064 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
16065 (x86_use_incdec, x86_pad_returns): New variables
16066 (TARGET_CPU_DEFAULT_generic): New constant
16067 (TARGET_CPU_DEFAULT_NAMES): Add generic.
16068 (enum processor_type): Add generic32 and generic64.
16069 * i386.md (cpu attribute): Add generic32/generic64
16070 (movhi splitter): Behave sanely when both partial_reg_dependency and
16071 partial_reg_stall are set.
16072 (K8 splitters): Enable for generic as well.
16073 * predicates.md (incdec_operand): Use TARGET_INCDEC
16074 (aligned_operand): Avoid memory mismatch stalls.
16075 * athlon.md: Enable for generic64, new patterns for 128bit moves.
16076 * ppro.md: Enable for generic32
16077 * i386.c (generic64_cost, generic32_cost): New.
16078 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
16079 (x86_use_leave): Enable for generic64. (x86_use_sahf,
16080 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
16081 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
16082 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
16083 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
16084 x86_partial_reg_dependency, x86_memory_mismatch_stall,
16085 x86_accumulate_outgoing_args, x86_prologue_using_move,
16086 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
16087 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
16088 Enable for generic.
16089 (x86_use_incdec, x86_pad_returns): New.
16090 (override_options): Add generic32 and generic64, translate "generic"
16091 to generic32/generic64 and "i686" to "generic32", refuse
16092 "generic32"/"generic64" as arch target.
16093 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
16094 (ix86_reorg): Honor PAD_RETURNS.
16096 2006-01-19 Diego Novillo <dnovillo@redhat.com>
16098 * tree-pretty-print.c (dump_generic_node): Handle
16099 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
16100 * cgraph.c (cgraph_expand_queue): Rename from
16101 cgraph_analyze_queue. Update all users.
16102 * cgraphunit.c (cgraph_assemble_pending_functions): Process
16103 cgraph_expand_queue.
16104 (cgraph_expand_all_functions): Likewise.
16105 (cgraph_finalize_pending_functions): Remove. Update callers.
16107 * tree.h (OMP_DIRECTIVE_P): Define.
16108 (OMP_PARALLEL_FN): Define.
16109 (OMP_PARALLEL_DATA_ARG): Define.
16110 (OMP_SECTIONS_SECTIONS): Define.
16111 * tree-pass.h (pass_expand_omp): Declare.
16112 * omp-low.c (struct omp_region): Declare.
16113 (struct omp_context): Remove fields 'parallel_type',
16114 'parallel_start_ix' and 'parallel_start_additional_args'.
16116 (struct omp_for_data): Rename from struct expand_omp_for_data.
16117 (omp_regions): New static variable.
16118 (root_omp_region): New static variable.
16119 (find_omp_clause): Make static.
16120 (is_in_combined_parallel_ctx): Remove.
16121 (is_combined_parallel): New.
16122 (extract_omp_for_data): Move earlier in the file.
16123 (workshare_safe_to_combine_p): New.
16124 (get_ws_args_for): New.
16125 (determine_parallel_type): Move earlier in the file.
16126 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
16128 (omp_copy_decl): Likewise.
16129 (create_omp_child_function): Likewise.
16130 (lookup_omp_region): New.
16131 (dump_omp_region): New.
16132 (debug_omp_region): New.
16133 (debug_all_omp_regions): New.
16134 (new_omp_region): New.
16135 (scan_omp_parallel): If parallel_nesting_level > 1, the
16136 directive is nested within another parallel directive.
16137 Set OMP_PARALLEL_FN.
16138 (scan_omp_for): Do not try to handle combined parallel+for
16140 Remove FIXME comment.
16141 (scan_omp_nested): Remove.
16142 (scan_omp_1): Do not call scan_omp_nested when
16143 parallel_nesting_level is > 1.
16144 Do not change the DECL_CONTEXT of local variables found.
16145 (lookup_decl_in_outer_ctx): New.
16146 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
16147 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
16148 (lower_reduction_clauses): Rename from expand_reduction_clauses.
16149 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
16150 If CTX is nested, lookup VAR in the outer context when
16151 building copy assignment.
16152 (lower_send_clauses): Rename from expand_send_clauses.
16153 If CTX is nested, lookup VAR in the outer context when
16154 building copy assignments.
16155 (lower_send_shared_vars): Rename from expand_send_shared_vars.
16156 If CTX is nested, lookup VAR in the outer context when
16157 building copy assignments.
16158 (expand_parallel_call): Rename from build_parallel_call.
16159 Handle combined parallel+workshare cases.
16160 Re-implement to emit code into the CFG.
16162 (expand_omp_parallel): Re-implement to emit code into the CFG.
16163 Call move_sese_region_to_fn to outline the sub-graph
16164 containing the parallel region.
16165 (expand_omp_for_1): Remove.
16166 (expand_omp_for_generic): Re-implement to emit code into the
16168 (expand_omp_for_static_nochunk): Likewise.
16169 (expand_omp_for_static_chunk): Likewise.
16170 (expand_omp_for): Likewise.
16171 (expand_omp_sections): Likewise.
16172 (remove_exit_barriers): New.
16173 (expand_omp_synch): New.
16175 (build_omp_regions_1): New.
16176 (build_omp_regions): New.
16177 (execute_expand_omp): New.
16178 (gate_expand_omp): New.
16179 (pass_expand_omp): Define.
16180 (lower_omp_sections): Rename from expand_omp_sections.
16181 Set OMP_SECTIONS_SECTIONS.
16182 (lower_omp_single_simple): Rename from expand_omp_single_simple.
16183 (lower_omp_single_copy): Rename from expand_omp_single_copy.
16184 (lower_omp_single): Rename from expand_omp_simple.
16185 (lower_omp_master): Rename from expand_omp_master.
16186 (lower_omp_ordered): Rename from expand_omp_ordered.
16187 (lower_omp_critical): Rename from expand_omp_critical.
16188 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
16189 (lower_omp_for): Re-implement.
16190 (lower_omp_parallel): Re-implement.
16191 (lower_regimplify): Rename from expand_regimplify.
16192 (lower_omp_1): Rename from expand_omp_1.
16193 If there are syntax errors in the program, replace every
16194 OpenMP directive with NOP.
16195 Call lower_omp_* instead of expand_omp_*.
16196 (lower_omp): Rename from expand_omp.
16198 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
16199 * tree-gimple.h (enum omp_parallel_type): Remove.
16200 (gimple_boolify): Declare extern.
16201 (find_omp_clause, determine_parallel_type): Remove.
16203 * gimple-low.c (lower_omp_directive): New.
16204 (lower_stmt): Call it.
16205 (record_vars_into): Move from ...
16206 (record_vars): ... here.
16207 Call record_vars_into with current_function_decl.
16209 * gimplify.c (struct gimplify_ctx): Remove fields
16210 combined_pre_p and combined_ctxp. Update users.
16211 (get_formal_tmp_var): Add documentation.
16212 (gimple_boolify): Make extern.
16213 (gimplify_expr_in_ctx): Remove. Update callers.
16214 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
16215 will always be a BIND_EXPR.
16216 (gimplify_expr): Handle OMP_RETURN_EXPR.
16217 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
16218 (OMP_PARALLEL): Add 3 operands.
16219 (OMP_SECTIONS): Add 1 operand.
16220 (OMP_RETURN_EXPR): Define.
16222 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
16223 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
16224 * tree-iterator.c (alloc_stmt_list): Assert that we are not
16225 creating a circular free list.
16226 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
16228 * tree-flow.h (move_sese_region_to_fn): Declare.
16229 (record_vars_into): Declare.
16230 * tree-cfg.c (make_omp_sections_edges): New.
16231 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
16232 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
16233 OMP_SECTIONS and OMP_SECTION.
16234 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
16235 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
16236 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
16237 (gather_blocks_in_sese_region): New.
16238 (struct move_stmt_d): Declare.
16239 (move_stmt_r): New.
16240 (move_block_to_fn): New.
16241 (move_sese_region_to_fn): New.
16243 * passes.c (init_optimization_passes): Schedule
16244 pass_expand_omp after pass_init_datastructures.
16246 * tree-ssa-operands.c (get_expr_operands): Handle
16247 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
16248 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
16250 2006-01-19 Jeff Law <law@redhat.com>
16252 * tree-vrp.c (extract_range_from_assert): Refine the result range
16253 if the variable referenced by the ASSERT_EXPR has a range and
16254 either the tentative result range or the previous range is a
16257 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16259 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
16261 2006-01-19 Jan Hubicka <jh@suse.cz>
16263 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
16265 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
16267 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
16268 (expand_compound_operation, expand_field_assignment): Fail if the
16269 bit lengths of an extract operation are out of range.
16270 (make_extraction): Compute wanted_inner_mode based on the position
16271 and length of the extraction. Make it extraction_mode for non-constant
16272 positions, and do not modify offset in that case. When generating a
16273 new MEM, use a mode that can hold the extraction while keeping correct
16274 alignment. Remove code that supported MEMs wrapped by USEs.
16275 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
16277 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
16279 * config/s390/s390.md ("Y", "y"): New mode attribute.
16280 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
16281 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
16282 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
16283 "*addsi3_imm_cc", "*addsi3_carry1_cc",
16284 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
16285 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
16286 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
16287 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
16288 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
16289 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
16290 "addsi3", "subsi3"): Insn patterns removed.
16291 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
16292 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
16293 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
16294 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
16295 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
16296 "*sub<mode>3_cconly2"): New insn patterns.
16297 ("addsi3", "subsi3"): New expanders.
16299 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
16301 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
16302 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
16303 existing STMT_VINFO_VECTYPE if available.
16304 (vect_mark_relevant): Add special handling for stmts that are
16305 marked as STMT_VINFO_IN_PATTERN_P.
16306 (vect_analyze_loop): Call vect_pattern_recog.
16307 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
16308 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
16310 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
16311 (vect_recog_func_ptr): New function-pointer type.
16312 * tree-vect-patterns.c: New file.
16313 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
16314 (vect_recog_dot_prod_pattern, vect_pattern_recog):
16315 (vect_pattern_recog_1): New functions.
16316 (vect_pattern_recog_funcs): New array of function pointers.
16318 * tree-vectorizer.h (ternary_op): New enum value.
16319 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
16320 declaration. Revised documentation. Removed redundant dump prints.
16321 Removed redundant argument. Added support for reduction patterns.
16322 (vectorizable_reduction): Added support for reduction patterns.
16323 (vect_transform_stmt): Added support for patterns.
16325 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
16326 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
16327 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
16328 (expand_widen_pattern_expr): New function.
16329 (init_optabs): Initialize new optabs udot_prod_optab,
16331 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
16332 (sdot_prod_optab, udot_prod_optab): Define new optabs.
16333 (expand_widen_pattern_expr): New function declaration.
16334 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
16336 * tree-inline.c (estimate_num_insns_1): Added cases for new
16337 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16338 * tree-pretty-print.c (dump_generic_node): Likewise.
16339 (op_prio): Likewise.
16340 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16341 * tree-ssa-operands.c (get_expr_operands): Added case for
16343 * tree-vect-patterns.c (widened_name_p): New function.
16344 (vect_recog_dot_prod_pattern): Added function implementation.
16345 * tree-vect-transform.c (get_initial_def_for_reduction): Added
16346 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
16347 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
16348 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
16350 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
16351 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
16352 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
16353 (init_optabs): Initialize new optabs widen_ssum_optab,
16355 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
16356 (widen_ssum_optab, widen_usum_optab): Define new optabs.
16357 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
16358 use instead of type of def.
16359 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
16360 function implementation.
16361 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
16362 widen_ssumv8hi): New.
16364 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
16367 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16370 * c-decl.c (add_flexible_array_elts_to_size): New function.
16371 (finish_decl): Use it.
16373 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
16375 * diagnostic.h: Include options.h.
16376 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
16377 dependancies for diagnostic.h.
16378 * Makefile.in (DIAGNOSTIC_H): Add options.h.
16380 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
16382 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
16383 (ssa_ro_call_cache_valid): Ditto.
16384 * tree-ssa-alias.c (sort_tags_by_id): New function.
16385 (init_transitive_clobber_worklist): Ditto.
16386 (add_to_worklist): Ditto.
16387 (mark_aliases_call_clobbered): Ditto.
16388 (compute_tag_properties): Ditto.
16389 (set_initial_properties): Ditto.
16390 (compute_call_clobbered): Ditto.
16391 (compute_may_aliases): Call compute_call_clobbered and grouping.
16392 (compute_flow_sensitive_aliasing): Remove clobbering related code.
16393 (compute_flow_insensitive_aliasing): Grouping now happens in our
16395 (setup_pointers_and_addressables): Remove clobbering related code.
16396 (add_may_alias): Ditto.
16397 (replace_may_alias): Ditto.
16398 (get_nmt_for): Ditto.
16399 (create_global_var):
16400 (is_escape_site): Return an escape_type enumeration.
16401 * tree-flow-inline.h (is_call_clobbered): Global var does not
16402 imply call clobbered.
16403 (mark_call_clobbered): Take a reason for marking this. Remove
16404 marking of globalness, and cache invalidation.
16405 (clear_call_clobbered): Remove cache invalidation code.
16406 * tree-dfa.c (dump_variable): If details is on, dump the reason
16408 * tree-outof-ssa.c (create_temp): Copy escape mask from original
16410 * tree-flow.h (struct ptr_info_def): Add escape mask member.
16411 (struct var_ann_d): Ditto.
16412 (enum escape_type): New.
16413 (mark_call_clobbered): Adjust prototype.
16414 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
16415 are never call clobbered.
16416 Record reasons for escaping.
16417 * tree-ssa-structalias.h (is_escape_site): Update prototype.
16418 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
16419 (ssa_ro_call_cache_valid): Ditto.
16420 (clobbered_v_may_defs): Ditto.
16421 (clobbered_vuses): Ditto.
16422 (ro_call_vuses): Ditto.
16423 (clobber_stats): New.
16424 (init_ssa_operands): Zero out clobber stats.
16425 (fini_ssa_operands): Print out clobber stats.
16426 (get_call_expr_operands): Pass callee fndecl to
16427 add_call_read_ops).
16428 (add_call_clobber_ops): Remove use of cache.
16429 Add use of PURE_CONST information.
16430 (add_call_read_ops): Remove use of cache.
16431 Add use of static not_read information.
16433 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
16435 Introduce TLS descriptors for i386 and x86_64.
16436 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
16437 (TARGET_ANY_GNU_TLS): New macro.
16438 (enum tls_dialect): Added TLS_DIALECT_GNU2.
16439 (struct machine_function): Add tls_descriptor_call_expanded_p.
16440 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
16441 (ix86_current_function_calls_tls_descriptor): Likewise.
16442 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
16443 (override_options): Introduce gnu2 tls dialect.
16444 (ix86_frame_pointer_required): Functions containing TLSCALLs are
16446 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
16448 (legitimize_tls_address): Adjust logic for GNU2 TLS.
16449 (ix86_init_machine_status): Initialize new field.
16450 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
16451 (ix86_tls_module_base): New.
16452 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
16453 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
16454 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
16455 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
16456 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
16457 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
16458 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
16459 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
16460 * config/i386/predicates.md (tls_modbase_operand): New.
16461 (tp_or_register_operand): New.
16463 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
16465 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
16466 (look_for_address_of): Ditto.
16467 (ipa_init): Walk the function decls.
16468 (static_execute): Don't set readonly on FUNCTION_DECL's.
16470 2006-01-18 Roger Sayle <roger@eyesopen.com>
16472 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
16473 for shifts where the source and destination registers are different.
16475 2006-01-18 Paul Brook <paul@codesourcery.com>
16477 Merge from csl-arm-branch.
16478 2005-03-14 Julian Brown <julian@codesourcery.com>
16479 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
16480 (aeabi_llsl): Likewise.
16481 (ashrdi3): Likewise.
16482 (aeabi_lasr): Likewise.
16483 (lshrdi3): Likewise.
16484 (aeabi_llsr): Likewise.
16485 2005-03-10 Julian Brown <julian@codesourcery.com>
16486 * config.gcc: Disable shared libgcc for SymbianOS.
16487 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
16489 2006-01-18 DJ Delorie <dj@redhat.com>
16491 * c-pragma.c (handle_pragma_diagnostic): New.
16492 (init_pragma): Register it.
16493 * doc/extend.texi: Document it.
16495 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
16496 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
16497 (diagnostic_context): Add classify_diagnostic[].
16498 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
16499 as errors if they're overridden to DK_WARNING.
16500 (diagnostic_initialize): Initialize classify_diagnostic[].
16501 (diagnostic_set_kind_override): New.
16502 (diagnostic_report_diagnostic): Check for kind changes.
16503 * opts.c (common_handle_option): Take lang_mask. Update callers.
16504 Handle OPT_Werror_.
16505 * common.opt (Werror=): New.
16506 * doc/invoke.texi: Document -Werror=*
16508 2006-01-18 Jeff Law <law@redhat.com>
16510 * tree-vrp.c (test_for_singularity): Correct test for new
16511 min limit. Use operand_equal_p rather than pointer equality
16512 for testing if new min/max values are equal.
16514 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
16515 using range information until after propagation and folding.
16517 2006-01-18 Richard Henderson <rth@redhat.com>
16518 Aldy Hernandez <aldyh@redhat.com>
16519 Jakub Jelinek <jakub@redhat.com>
16520 Diego Novillo <dnovillo@redhat.com>
16522 * omp-low.c: New file.
16523 * c-omp.c: New file.
16525 2006-01-18 Richard Henderson <rth@redhat.com>
16526 Jakub Jelinek <jakub@redhat.com>
16527 Diego Novillo <dnovillo@redhat.com>
16529 * doc/invoke.texi: Document -fopenmp.
16530 * tree-dump.h (debug_function): Declare.
16531 * hooks.c (hook_bool_tree_bool_false): New function.
16532 (hook_tree_tree_null): Remove.
16533 (hook_tree_tree_tree_null): New.
16534 * hooks.h: Update to match.
16535 * tree-pretty-print.c (debug_tree_chain): New.
16536 (print_generic_expr): Handle TDF_CHAIN.
16537 (dump_generic_node): Handle BLOCK.
16538 Do not abort with incomplete SWITCH_EXPRs.
16539 Do not dump body of an OpenMP directive if TDF_SLIM is given.
16540 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
16541 print space after directive name.
16542 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
16543 Handle OMP_MASTER and OMP_ORDERED.
16544 Handle printing of OMP_BODY just in one place, goto
16545 dump_omp_body in the rest of OMP_* nodes that have
16547 Don't handle clause nodes here. Update omp statements to
16548 use dump_omp_clauses.
16549 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
16550 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
16551 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
16552 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
16553 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
16554 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
16555 Adjust output for GOMP_PARALLEL.
16556 (dump_omp_clauses): New.
16557 (print_declaration): Dump DECL_VALUE_EXPR.
16558 (op_symbol_1): Split out of op_symbol.
16559 (dumping_stmts): Remove. Update all users.
16560 * cgraph.c (cgraph_analyze_queue): New.
16561 (cgraph_add_new_function): New.
16562 * cgraph.h (cgraph_analyze_queue): Declare.
16563 (cgraph_add_new_function): Declare.
16564 (cgraph_lower_function): Remove.
16565 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
16566 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
16567 and TYPE_P nodes in its default clause.
16568 (empty_body_p): New.
16569 (tree_range_check_failed): New.
16570 (build5_stat): New.
16571 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
16572 OMP_CLAUSE_REDUCTION_MERGE,
16573 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
16574 OMP_CLAUSE_PRIVATE_DEBUG,
16575 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
16576 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
16577 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
16578 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
16579 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
16580 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
16581 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
16582 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
16583 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
16584 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
16585 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
16586 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
16587 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
16588 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
16589 (TREE_RANGE_CHECK): New.
16590 (empty_body_p): Declare.
16591 (enum omp_clause_default_kind): New.
16592 (build_string_literal): Declare.
16593 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
16594 (build5_stat, build5): Declare.
16595 * tree-pass.h (TDF_CHAIN): Define.
16596 * tree-pass.h (PROP_gimple_lomp): Define.
16597 (pass_lower_omp): Declare.
16598 * diagnostic.h (debug_tree_chain): Declare.
16599 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
16601 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
16602 * builtins.c (build_string_literal): Make extern.
16603 * gcc.c (include_spec_function): New.
16604 (static_spec_functions): Add it.
16605 (main): Move load of libgomp.spec ...
16606 (LINK_COMMAND_SPEC): ... here.
16607 (link_gomp_spec): New.
16608 (static_specs): Include it.
16609 (LINK_COMMAND_SPEC): Add link_gomp.
16610 (GOMP_SELF_SPECS): New.
16611 (driver_self_specs): Include it.
16612 (switch_matches): Don't mark inline.
16613 (main): Load libgomp.spec.
16614 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
16615 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
16616 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
16617 * tree-gimple.h (enum omp_parallel): Declare.
16618 (determine_parallel_type): Declare.
16619 (omp_firstprivatize_variable): Declare.
16620 (omp_reduction_init): Declare.
16621 (diagnose_omp_structured_block_errors): Declare.
16622 (struct walk_stmt_info): Add want_return_expr.
16623 (struct walk_stmt_info): Add want_bind_expr, want_locations.
16624 (find_omp_clause): Declare.
16625 (insert_field_into_struct): Declare.
16626 (struct walk_stmt_info): Move from tree-nested.c
16627 (walk_stmts): Declare.
16628 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
16630 * cgraphunit.c (cgraph_lower_function): Make static.
16631 (cgraph_finalize_pending_functions): New.
16632 (cgraph_finalize_function): Call it.
16633 (cgraph_finalize_compilation_unit): Likewise.
16634 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
16635 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
16636 (BT_FN_UINT_UINT): New.
16637 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
16638 DEF_FUNCTION_TYPE_VAR_4): Document.
16639 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16640 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16641 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16642 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16643 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16644 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16645 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16646 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16647 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16648 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16649 into separate files.
16650 (DEF_GOMP_BUILTIN): New.
16651 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16652 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16653 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16654 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16655 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16656 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16657 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16658 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16659 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16660 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16661 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16662 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16663 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16664 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16665 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16666 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16667 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16668 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16669 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16670 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16671 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16672 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16673 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16674 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16675 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16676 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16677 * sync-builtins.def: New file, moved from builtins.def.
16678 * omp-builtins.def: New file, moved from builtins.def.
16679 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16680 * gimple-low.c (lower_function_body): Clear data.
16681 (lower_stmt): Do not handle COMPOUND_EXPR.
16682 Remove call to print_node_brief.
16683 * c-tree.h (c_finish_omp_clauses): New prototype.
16684 (C_DECL_THREADPRIVATE_P): Define.
16685 (lookup_name_no_remap, c_omp_remap_private): Remove
16686 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16687 (check_for_loop_decls): Update decl.
16688 (lookup_name_no_remap, c_omp_remap_private): Declare.
16689 (build_indirect_ref, build_modify_expr, pushdecl,
16690 pushdecl_top_level): Move to c-common.h.
16691 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16692 before the switch, but just in the 2 places that need it.
16693 * c-decl.c (diagnose_mismatched_decls): Do not check for
16694 mismatched thread-local attributes when OLDDECL is marked
16695 threadprivate and NEWDECL has no thread-local attributes.
16696 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16697 (c_gimple_diagnostics_recursively): Rename from
16698 c_warn_unused_result_recursively. Invoke
16699 diagnose_omp_structured_block_errors.
16700 (check_for_loop_decls): Return a singular decl found.
16701 * langhooks.c (lhd_omp_predetermined_sharing): Return
16702 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16703 (lhd_omp_firstprivatize_type_sizes): New.
16704 (lhd_omp_assignment): New.
16705 (lhd_omp_predetermined_sharing): New.
16706 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16707 (struct lang_hooks_for_types): Add
16708 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16709 omp_predetermined_sharing, omp_disregard_value_expr,
16710 omp_private_debug_clause, omp_clause_default_ctor,
16711 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16712 (c_finish_omp_clauses): New.
16713 (c_finish_bc_stmt): Diagnose break within omp for.
16714 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16715 (build_unary_op): Return error_mark after reporting
16717 (build_modify_expr): Likewise.
16718 * gimplify.c: Include optabs.h and pointer-set.h.
16719 (enum gimplify_omp_var_data): Declare.
16720 (struct gimplify_omp_ctx): Declare.
16721 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16723 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16724 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16725 (splay_tree_compare_decl_uid): New.
16726 (new_omp_context): New.
16727 (delete_omp_context): New.
16728 (gimple_add_tmp_var): Call omp_add_variable.
16729 (gimplify_bind_expr): Likewise.
16730 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16731 true, disregard DECL_VALUE_EXPR on the decl if any.
16732 (gimplify_expr_in_ctx): New.
16733 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16734 omp_add_variable, omp_notice_variable, omp_is_private
16735 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16736 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16737 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16738 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16739 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16740 gimplify_omp_atomic): New.
16741 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16742 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16743 OMP_CRITICAL and OMP_ATOMIC.
16744 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16745 * c-pragma.h (enum pragma_kind): Add
16746 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16747 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16748 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16749 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16750 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16751 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16752 PRAGMA_OMP_THREADPRIVATE.
16753 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16754 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16755 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16756 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16757 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16758 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16759 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16760 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16761 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16762 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16763 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16764 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16765 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16767 (struct nesting_info): Add field_map,
16768 suppress_expansion, debug_var_chain.
16769 (create_nesting_tree): Initialize them.
16770 (lookup_field_for_decl): Use field_map.
16771 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16772 (convert_local_omp_clauses): New.
16773 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16774 (walk_body): Split out of walk_function.
16775 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16776 (convert_nonlocal_reference): Handle omp statements.
16777 (convert_local_reference): Likewise.
16778 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16779 (unnest_nesting_tree): New.
16780 (lower_nested_functions): Call it.
16781 (insert_field_into_struct): Make extern.
16782 (struct walk_stmt_info): Move to tree-gimple.h.
16783 (walk_stmts): Make extern.
16784 * omp-builtins.def: New file.
16785 * tree-iterator.c (expr_only): Clarify comment.
16786 * c-common.h (pushdecl_top_level, pushdecl,
16787 build_modify_expr, build_indirect_ref,
16788 c_finish_omp_master, c_finish_omp_critical,
16789 c_finish_omp_ordered, c_finish_omp_barrier,
16790 c_finish_omp_atomic, c_finish_omp_flush,
16791 c_finish_omp_for, c_split_parallel_clauses,
16792 omp_clause_default_kind, c_omp_sharing_predetermined,
16793 c_omp_remap_decl): Declare.
16794 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16795 (OBJS-common): Add omp-low.o.
16796 (c-omp.o, omp-low.o): Add.
16797 (gimplify.o): Add dependency on $(OPTABS_H).
16798 (GTFILES): Add omp-low.c.
16799 (gt-stringpool.h): Add.
16800 * tree-cfg.c (set_bb_for_stmt): Do not update the
16801 block-to-labels map if we are currently expanding to RTL.
16802 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16804 Handle IDENTIFIER_NODE.
16805 (tree_verify_flow_info): Do not ICE when emitting error
16806 messages about invalid labels.
16807 (dump_function_to_file): Reset CFUN before emitting the body
16809 (debug_function): New.
16810 * passes.c (init_optimization_passes): Schedule
16812 * langhooks-def.h (lhd_omp_predetermined_sharing,
16813 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16815 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16816 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16817 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16818 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16819 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16820 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16821 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16822 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16823 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16824 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16825 (LANG_HOOK_DECLS): Use them.
16827 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16828 Richard Henderson <rth@redhat.com>
16829 Jakub Jelinek <jakub@redhat.com>
16830 Diego Novillo <dnovillo@redhat.com>
16832 * c-parser.c (pragma_omp_clause): Define.
16833 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16834 (c_parser_compound_statement): Likewise.
16835 (c_parser_statement): Likewise.
16836 (c_parser_pragma): Handle omp pragmas.
16837 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16838 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16839 (c_parser_omp_clause_name, check_no_duplicate_clause,
16840 c_parser_omp_variable_list,
16841 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16842 c_parser_omp_clause_copyprivate,
16843 c_parser_omp_clause_default,
16844 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16845 c_parser_omp_clause_lastprivate,
16846 c_parser_omp_clause_nowait,
16847 c_parser_omp_clause_num_threads,
16848 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16849 c_parser_omp_clause_reduction,
16850 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16851 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16852 c_parser_omp_atomic, c_parser_omp_barrier,
16853 c_parser_omp_critical, c_parser_omp_flush,
16854 c_parser_omp_for_loop, c_parser_omp_for,
16855 c_parser_omp_master, c_parser_omp_ordered,
16856 c_parser_omp_sections_scope, c_parser_omp_sections,
16857 c_parser_omp_parallel, c_parser_omp_single,
16858 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16859 * c-pragma.c (init_pragma): Do omp pragma registration here.
16860 * c.opt (fopenmp): New flag.
16862 2006-01-18 Eric Christopher <echristo@apple.com>
16864 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16865 * config/darwin.h (GOMP_SELF_SPECS): Define.
16867 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16869 * rtl.h: Remove the prototype for reg_alloc.
16871 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16874 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16875 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16876 sjlj and dwarf2 exception handling.
16877 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16878 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16879 * pa/pa.c (function_value): Treat complex and vector types as
16881 (function_arg): Likewise. Only pass scalar floats in the floating
16882 point argument registers.
16883 * pa/t-slibgcc-dwarf-ver: New file.
16884 * pa/t-slibgcc-sjlj-ver: New file.
16885 * pa/t-slibgcc-elf-ver: Delete file.
16887 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16889 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16890 unlikely_test_section_p test.
16892 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16894 * mode-switching.c (optimize_mode_switching): Make it static.
16895 * basic-block.h: Remove the prototype for
16896 optimize_mode_switching.
16898 * modulo-sched.c (sms_schedule): Make it static.
16899 * rtl.h: Remove the prototype for sms_schedule.
16901 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16902 * rtl.h: Remove the prototype for gcse_after_reload_main.
16904 * reg-stack.c (reg_to_stack): Make it static.
16905 * rtl.h: Remove the prototype for reg_to_stack.
16907 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16909 * rtl.h: Remove the prototypes for regrename_optimize and
16910 copyprop_hardreg_forward.
16912 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16914 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16915 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16916 Test against the appropriate null constant for the mode.
16917 If 'fixup_overlap' is true, swap the operands if they overlap.
16918 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16919 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16920 alpha_split_tmode_pair and adjust for above change.
16921 * config/alpha/alpha.md (movtf_internal): Adjust call to
16922 alpha_split_tfmode_pair and rely on it to swap the operands.
16923 (movti_internal): New insn and post-reload splitter.
16924 (movti): New expander.
16926 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16928 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16931 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16933 * rtlanal.c (global_reg_mentioned_p_1,
16934 global_reg_mentioned_p): Remove.
16935 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16937 * flow.c (initialize_uninitialized_subregs): Make it static.
16938 * rtl.h: Remove the prototype for
16939 initialize_uninitialized_subregs.
16941 * function.c (instantiate_virtual_regs): Make it static.
16942 * function.h: Remove the prototype for
16943 instantiate_virtual_regs.
16945 * regmove.c (regmove_optimize, combine_stack_adjustments):
16947 * rtl.h: Remove the prototypes for regmove_optimize and
16948 combine_stack_adjustments.
16950 2006-01-17 Roger Sayle <roger@eyesopen.com>
16952 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16953 (size_cost): Encode costs in bytes so that a reg-reg addition is
16954 equivalent to COSTS_N_INSNS(1).
16955 (override_options): Use the size_cost.branch_cost as the default
16956 ix86_branch_cost when optimizing for size.
16958 2006-01-18 Ben Elliston <bje@au.ibm.com>
16960 * Makefile.in (D32PBIT_FUNCS): New.
16961 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16962 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16963 D64PBIT_FUNCS and D128PBIT_FUNCS.
16964 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16965 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16967 (decnumber_dep): Define.
16968 * doc/libgcc.texi (Decimal float library routines): New node.
16969 * config/dfp-bit.h, config/dfp-bit.c: New files.
16971 2006-01-18 Ben Elliston <bje@au.ibm.com>
16973 * expr.c (emit_move_change_mode): Always adjust addresses, not
16974 just during reload. Copy replacements only during reload.
16975 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16976 emit_move_via_integer.
16978 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16980 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16981 instead of $(srcdir) and ${srcdir}.
16983 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16986 PR middle-end/11135
16987 * arm.h (struct machine_function): Add pic_reg.
16988 * arm.c (arm_pic_register): Make unsigned.
16989 (arm_override_options): Only set arm_pic_register if
16990 TARGET_SINGLE_PIC_BASE.
16991 (use_return_insn): Only test for a pic register if it is fixed.
16992 (arm_compute_save_reg0_reg12_mask): Likewise.
16993 (thumb_compute_save_reg_mask): Likewise.
16994 (legitimate_pic_operand): Factor out some known invariants.
16995 (legitimize_pic_address): If we don't have a fixed pic register,
16996 then set up a pseudo in the function entry sequence. Handle the
16997 pic base being in a pseudo.
16998 (arm_load_pic_register): Handle the pic register being in a pseudo.
16999 (arm_expand_prologue): Only set up the pic register if it is fixed.
17000 (thumb_expand_prologue): Likewise.
17001 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
17002 (pic_load_addr_based_insn): Likewise.
17003 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
17006 2006-01-18 Ben Elliston <bje@au.ibm.com>
17008 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
17009 decimal float modes for all floating point registers.
17011 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
17012 match_code "mem" with match_test "macho_lo_sum_memory_operand".
17014 2006-01-17 Jakub Jelinek <jakub@redhat.com>
17017 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
17018 even when the pointer is not NULL.
17020 2006-01-16 Ian Lance Taylor <ian@airs.com>
17022 * common.opt (ftoplevel-reorder): New option.
17023 * cgraph.c (cgraph_asm_nodes): New global variable.
17024 (cgraph_asm_last_node): New static variable.
17025 (cgraph_order): New global variable.
17026 (cgraph_create_node): Set new order field.
17027 (cgraph_varpool_node): Likewise.
17028 (decide_is_variable_needed): Return true if not
17029 flag_toplevel_reorder.
17030 (cgraph_add_asm_node): New function.
17031 * cgraph.h (struct cgraph_node): Add order field.
17032 (struct cgraph_varpool_node): Add order field.
17033 (struct cgraph_asm_node): Define.
17034 (cgraph_asm_nodes, cgraph_order): Declare.
17035 (cgraph_add_asm_node): Declare.
17036 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
17038 (cgraph_varpool_assemble_pending_decls): Call it.
17039 (cgraph_output_pending_asms): New static function.
17040 (cgraph_finalize_compilation_unit): Call it.
17041 (struct cgraph_order_sort): Define.
17042 (cgraph_output_in_order): New static function.
17043 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
17044 !flag_toplevel_reorder case.
17045 * c-parser.c: Include "cgraph.h".
17046 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
17048 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
17049 than -fno-unit-at-a-time.
17050 * doc/invoke.texi (Option Summary): Mention
17051 -fno-toplevel-reorder.
17052 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
17053 -funit-at-a-time documentation.
17055 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
17056 Kazu Hirata <kazu@codesourcery.com>
17058 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
17060 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
17062 * Makefile.in (FUNCTION_H): New. Use it instead of
17063 function.h throughout the file.
17064 * function.h: Include tree.h.
17066 2006-01-17 Ben Elliston <bje@au.ibm.com>
17068 * recog.c: Separate some functions with whitespace.
17070 2006-01-16 Richard Henderson <rth@redhat.com>
17072 Merge from gomp branch:
17073 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
17074 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
17075 and rename from struct inline_data. Rename callee* to dst*;
17076 caller* to src*; add copy_decl hook, transform_call_graph_edges,
17077 transform_new_cfg, transform_return_to_modify, and
17078 transform_lang_insert_block flags; remove cloning_p, versioning_p,
17080 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
17081 (copy_decl_for_dup): Remove.
17082 * tree-inline.c (struct inline_data): Move to header.
17083 (insert_decl_map): Export.
17084 (remap_decl): Update for member name changes. Use copy_decl hook.
17085 Allow for replacement to be a non-decl. Remove dead code.
17086 (remap_type_1): Check for existing mapping.
17087 (remap_type): Export.
17088 (remap_decls): Update for member name changes.
17089 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
17090 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
17091 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
17092 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
17093 (tree_function_versioning, build_duplicate_type): Likewise.
17094 (copy_body_r): Likewise. Export.
17095 (copy_decl_for_dup): Split into ...
17096 (copy_decl_for_dup_finish, copy_decl_to_var,
17097 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
17098 (replace_ref_tree, inlining_p): Remove.
17100 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17102 * ifcvt.c (if_convert): Make it static.
17103 * rtl.h: Remove the prototype for if_convert.
17105 * local-alloc.c (local_alloc): Make it static.
17106 * rtl.h: Remove the prototype for local_alloc.
17108 * loop.c (loop_optimize): Make it static.
17109 * cfgloop.h: Remove the prototype for loop_optimize.
17112 2006-01-16 DJ Delorie <dj@redhat.com>
17114 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
17117 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17119 * pa.md: Disparage copies between general and floating-point registers
17120 in 32-bit move patterns.
17122 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
17125 * Makefile.in (check-%): Depend on site.exp instead of
17126 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
17129 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17131 * global.c (global_alloc): Make it static.
17132 * rtl.h: Remove the prototype for global_alloc.
17134 2006-01-16 Richard Guenther <rguenther@suse.de>
17136 * tree-ssa-alias.c (struct used_part): Add write_only field.
17137 (get_or_create_used_part_for): Initialize it to true.
17138 (create_overlap_variables_for): Don't create structure variables
17139 for structures that only are written to.
17140 (find_used_portions): Handle MODIFY_EXPR to track whether a
17141 structure is only written to.
17143 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17145 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
17147 * basic-block.h: Remove the prototype for
17148 partition_hot_cold_basic_blocks.
17150 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
17152 * cppspec.c (lang_specific_spec_functions): Remove.
17153 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
17154 * gcc.h (lang_specific_spec_functions): Remove.
17155 * gccspec.c (lang_specific_spec_functions): Remove.
17157 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
17159 * combine.c (record_value_for_reg): Invalidate registers
17161 (record_dead_and_set_regs_1): Likewise, by passing them to
17162 record_value_for_reg.
17163 (record_dead_and_set_regs): Invalidate stores made by a
17164 call. We do not combine across a call, but we still
17165 relied on equivalences.
17167 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17169 * tree-vrp.c (extract_range_from_binary_expr): Cope with
17170 vrp_int_const_binop returning non-constant nodes.
17172 2006-01-16 Paul Brook <paul@codesourcery.com>
17174 * config/m68k/m68k.c (output_move_const_into_data_reg):
17175 Output correct mnemonic for mvz and mvs.
17177 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
17179 * rtl-factoring.c: Add sequence abstraction algorithm.
17180 * cfgcleanup.c (outgoing_edges_match): Extra checks.
17181 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
17183 (block_has_preserve_label): New function.
17184 * common.opt: Register new pass.
17185 * Makefile.in: Ditto.
17187 * timevar.def: Ditto.
17188 * tree-pass.h: Ditto.
17189 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
17190 * rtl.h (make_jump_insn_raw): Add forward decl.
17191 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
17193 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17194 Roger Sayle <roger@eyesopen.com>
17196 * fold-const.c (fold_minmax): New static function.
17197 (fold_binary) <MIN_EXPR>: Call it.
17198 <MAX_EXPR>: Likewise.
17199 * stor-layout.c (place_field): Use DECL_SIZE consistently
17200 in the computation of the new record size.
17202 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17204 * cse.c (cse_condition_code_reg): Make it static.
17205 * rtl.h: Remove the prototype for cse_condition_code_reg.
17207 * combine.c (combine_instructions): Make it static.
17208 * rtl.h: Remove the prototype for combine_instructions.
17210 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17213 * tree.c (get_file_function_name_long): Concatenate the first global
17214 object name with a string derived from the input filename of the object
17217 2006-01-16 Ben Elliston <bje@au.ibm.com>
17219 * config/i386/winnt-stubs.c: Update FSF address.
17220 * config/xtensa/ieee754-df.S: Ditto.
17221 * config/xtensa/ieee754-sf.S: Ditto.
17223 2006-01-14 Ian Lance Taylor <ian@airs.com>
17225 * ifcvt.c (noce_init_if_info): New static function, broken out of
17226 noce_process_if_block.
17227 (noce_process_if_block): Call noce_init_if_info.
17228 (check_cond_move_block): New static function.
17229 (cond_move_process_if_block): New static function.
17230 (process_if_block): Call cond_move_process_if_block.
17232 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
17234 * cselib.c (hash_table): Rename to cselib_hash_table.
17235 (cselib_clear_table, discard_useless_values,
17236 remove_useless_values, cselib_lookup_mem, cselib_lookup,
17237 cselib_init, cselib_finish): Adjust uses of hash_table.
17239 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
17241 PR tree-optimization/25485
17242 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
17243 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
17244 is known to be false and true, respectively.
17246 2006-01-14 Richard Guenther <rguenther@suse.de>
17248 PR tree-optimization/22548
17249 PR tree-optimization/22555
17250 PR tree-optimization/22501
17251 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
17252 * params.def (salias-max-array-elements): New parameter.
17253 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
17254 * doc/invoke.texi (salias-max-array-elements): Document.
17255 * tree-flow-inline.h (var_can_have_subvars): We also handle
17257 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
17259 * tree-ssa-structalias.c (params.h): Include.
17260 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
17261 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
17262 (get_constraint_for): For ADDR_EXPR operating on something
17263 containing an ARRAY_REF, add all subvars to the solution.
17264 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
17265 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
17266 for creating MUST_DEFs.
17267 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
17269 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17271 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
17273 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
17274 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
17275 number_of_iterations_le): New functions.
17276 (number_of_iterations_special): Removed.
17277 (number_of_iterations_exit): Do not use number_of_iterations_special.
17278 * tree.c (unsigned_type_for): Always return integer type.
17280 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
17281 Richard Guenther <rguenther@suse.de>
17283 PR rtl-optimization/24257
17284 * gcse.c (find_moveable_store): Only consider a store movable
17285 when the SET_SRC of the insn can be assigned to a register.
17287 2006-01-14 Ian Lance Taylor <ian@airs.com>
17289 * tree.c (tree_not_class_check_failed): New function.
17290 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
17291 (tree_not_class_check_failed): Declare.
17293 2006-01-13 Ian Lance Taylor <ian@airs.com>
17295 * reload1.c (do_output_reload): Add assertion rejecting a
17298 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
17300 * combine.c (struct reg_stat): Add new fields truncation_label and
17302 (record_value_for_reg): Reset truncated_to_mode.
17303 (record_truncated_value): New function.
17304 (check_promoted_subreg): Call it. Rename to check_conversions.
17305 (combine_instructions): Rename check_promoted_subreg to
17307 (reg_truncated_to_mode): New function.
17308 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
17309 (gen_lowpart_or_truncate): New function.
17310 (force_to_mode): Use it instead of gen_lowpart.
17312 2006-01-13 Diego Novillo <dnovillo@redhat.com>
17314 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
17315 VAR is a tag, not its type tag.
17317 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
17319 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
17320 alternatives to match style of other entries.
17321 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
17323 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
17325 PR tree-optimization/25771
17326 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
17329 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
17332 * tree-inline.c (declare_return_variable): If the return variable
17333 was marked as a non gimple complex, set the return slot variable
17334 to be a non gimple comple variable.
17336 2006-01-13 Richard Guenther <rguenther@suse.de>
17338 * builtins.c (expand_builtin_sincos): New function.
17339 (expand_builtin_mathfn_3): Remove dead code, sin and cos
17341 (expand_builtin): Expand sincos using expand_builtin_sincos.
17343 2006-01-12 DJ Delorie <dj@redhat.com>
17345 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
17346 shift counts, separate SI shifts for m32c vs m16c, pass shift type
17347 so that constant shifts can be split.
17348 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
17349 (m32c_valid_pointer_mode): Make static.
17350 (shift_gen_func_for): New.
17351 (m32c_prepare_shift): Use it. Split large const shifts into
17353 * config/m32c/predicates.md (shiftcount_operand): Allow more
17355 (longshiftcount_operand): New.
17356 * doc/md.texi (Machine Constraints): Document In6.
17358 2006-01-13 Ben Elliston <bje@au.ibm.com>
17360 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
17361 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
17364 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
17366 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
17367 to try to avoid clobbering pieces of structures when we know
17368 something about the whole structure.
17369 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
17371 2006-01-13 Ben Elliston <bje@au.ibm.com>
17373 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
17374 return in memory, as this is no limitation is no longer present.
17376 2006-01-12 DJ Delorie <dj@redhat.com>
17378 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
17379 mova with fb, and for fb+0 -> An.
17381 * config/m32c/mov.md (peephole2): Fix enabling logic.
17383 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
17384 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
17385 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
17386 FINI_ARRAY_SECTION_ASM_OP): Define.
17388 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
17390 (m32c_legitimize_reload_address): New logic to reload FB to An.
17391 (m32c_output_reg_push): Add newline.
17392 (m32c_output_reg_pop): Likewise.
17394 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
17396 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
17398 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
17400 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
17402 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17404 * config/sh/predicates.md (sh_rep_vec): Add parallel to
17407 2006-01-11 Ben Elliston <bje@au.ibm.com>
17409 * rtlanal.c (find_reg_note): Assert insn is not null.
17411 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17413 * df-scan.c (df_hard_reg_init): Move declaration of i outside
17416 2006-01-11 Jeff Law <law@redhat.com>
17418 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
17420 (mark_threaded_blocks, register_jump_thread): New functions.
17421 (thread_through_all_blocks): Remove unwanted argument. No
17422 longer rely on e->aux to communicate thread target info.
17423 Call mark_threaded_blocks. Release the threaded_blocks
17424 bitmap and threaded_edges vector when complete.
17425 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
17426 (threaded_blocks): Remove.
17427 (tree_ssa_dominator_optimize): Remove initialization and
17428 finalization of threaded_blocks. Simplify call to
17429 thread_through_all_blocks.
17430 (thread_across_edge): Call register_jump_thread rather than
17431 storing thread information into e->aux.
17432 (free_all_edge_infos): Simplify now that e->aux is no longer
17433 used to communicate with thread_through_all_blocks.
17434 * tree-flow.h (thread_through_all_blocks): Update prototype.
17435 (register_jump_thread): Prototype.
17437 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17439 * df-core.c (df_compact_blocks, df_bb_replace): Use
17440 SET_BASIC_BLOCK instead of BASIC_BLOCK.
17442 2006-01-11 Richard Guenther <rguenther@suse.de>
17444 PR tree-optimization/25734
17445 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
17446 stop propagation after successful propagation to the LHS.
17448 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17450 * basic-block.h (control_flow_graph): Change the type of
17451 x_basic_block_info to VEC(basic_block,gc) *.
17452 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
17454 (SET_BASIC_BLOCK): New.
17455 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
17456 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
17457 * cfgbuild.c (find_basic_blocks): Likewise.
17458 * cfglayout.c (fixup_reorder_chain): Likewise.
17459 * cfgrtl.c (create_basic_block_structure,
17460 rtl_create_basic_block): Likewise.
17461 * ifcvt.c (find_if_case_1): Likewise.
17462 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
17465 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17467 * Makefile.in: Removed rotted odf.c entry.
17469 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
17472 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
17473 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
17474 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
17475 output pattern modifier, not %e.
17476 * config/cris/cris.c (cris_op_str): Update comment about pattern
17478 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
17479 before falling through into...
17480 <case 'E'>: Redefined from old 'e' case.
17482 2006-01-11 Jan Hubicka <jh@suse.cz>
17485 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
17487 2006-01-11 Jan Hubicka <jh@suse.cz>
17489 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
17490 * i386.c (x86_decompose_lea): Kill.
17491 (ix86_rtx_costs): Kill.
17493 2006-01-11 Jan Hubicka <jh@suse.cz>
17495 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
17496 * cgraph.h (cgraph_node): Add inline_decl.
17497 (cgraph_insert_node_to_hashtable): Declare.
17498 (save_inline_function_body): Declare.
17499 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
17501 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
17502 (cgraph_function_versioning): Update call of tree_function_versioning.
17503 (save_inline_function_body): New function.
17504 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
17505 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
17506 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
17507 (cgraph_default_inline_p): Likewise.
17508 (cgraph_decide_inlining_incrementally): Likewise.
17509 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
17510 (copy_bb): Kill saving; do updating of clones.
17511 (copy_cfg_body): Kill saving.
17512 (initialize_inlined-parameters): Likewise.
17513 (expand_call_inline): Likewise.
17515 (tree_function_versioning): New parameter "update_clones".
17516 (inlining_p): Kill saving.
17517 * tree-inline.h (tree_function_versioning): Update prototype.
17518 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
17521 2006-01-11 Ian Lance Taylor <ian@airs.com>
17523 * combine.c (struct undo): Remove is_int. Enumify types of undos.
17524 Allow undoing set of machine mode.
17525 (do_SUBST): Use enums instead of is_int.
17526 (do_SUBST_MODE): New function.
17527 (SUBST_MODE): New macro.
17528 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
17529 reg and trying to replace reg_regno_rtx with a new register.
17530 (undo_all): Use new enums, handle undoing a PUT_MODE change.
17531 (simplify_set): Use SUBST_MODE.
17532 (distribute_notes): Remove code that tried to update reg notes
17533 for regno_reg_rtx changes.
17535 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
17537 PR tree-optimization/23109
17538 PR tree-optimization/23948
17539 PR tree-optimization/24123
17541 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
17542 * tree-cfg.c (single_noncomplex_succ): New.
17543 * tree-flow.h (single_noncomplex_succ): Declare it.
17544 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17545 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17546 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
17547 insert_bb, register_division_in, insert_reciprocals,
17548 replace_reciprocal, free_bb): New.
17549 (execute_cse_reciprocals_1): Rewritten.
17550 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
17551 Do not commit any edge insertion. Always compute dominators and
17552 create the allocation pool.
17553 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
17554 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
17555 * targhooks.c (default_min_divistions_for_recip_mul): New.
17556 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
17557 * passes.c (init_optimization_passes): Run recip after tree loop
17559 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
17561 2006-01-11 Danny Berlin <dberlin@dberlin.org>
17562 Kenneth Zadeck <zadeck@naturalbridge.com>
17564 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
17565 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
17566 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
17567 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
17568 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
17569 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
17570 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
17571 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
17572 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
17573 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
17574 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
17575 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
17576 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
17577 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
17578 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
17579 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
17580 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
17581 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
17582 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
17583 DF_SCAN_POST_ALLOC): New macros.
17584 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
17585 df_free_bb_function, df_local_compute_function, df_init_function,
17586 df_dataflow_function, df_confluence_function_0,
17587 df_confluence_function_n, df_transfer_function,
17588 df_finalizer_function, df_free_function, df_dump_problem_function,
17589 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
17590 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
17591 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
17592 df_urec_bb_info, ) New types.
17593 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
17595 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
17596 df_analyze_simple_change_some_blocks,
17597 df_analyze_simple_change_one_block, df_compact_blocks,
17598 df_bb_replace, df_bb_regno_last_use_find,
17599 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
17600 df_insn_regno_def_p, df_find_def, df_find_use,
17601 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
17602 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
17603 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
17604 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
17605 debug_df_chain, df_get_dependent_problem, df_chain_create,
17606 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
17607 df_grow_bb_info, df_chain_dump, df_print_bb_index,
17608 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
17609 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
17610 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
17611 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
17612 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
17613 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
17614 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
17615 df_ref_remove, df_insn_refs_delete, df_refs_delete,
17616 df_reorganize_refs, df_set_state, df_hard_reg_init,
17617 df_read_modify_subreg_p) New public functions.
17618 * df-core.c: The core dataflow solver and glue routines for rtl
17620 (df_init, df_add_problem, df_set_blocks, df_finish,
17621 df_hybrid_search_forward, df_hybrid_search_backward,
17622 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
17623 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
17624 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
17625 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
17626 df_reg_defined, df_find_use, df_reg_used, df_dump,
17627 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
17628 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
17629 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
17630 debug_df_useno, reset_df_after_reload): New functions.
17631 * df-scan.c: The scanning fuctions, once in df.c, completely
17632 rewritten so that they now fully model the functionality of
17633 register usage at the backend.
17634 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
17635 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
17636 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
17637 df_grow_insn_info, df_rescan_blocks, df_ref_create,
17638 df_get_artificial_defs, df_get_artificial_uses,
17639 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17640 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17641 df_refs_delete, df_reorganize_refs, df_set_state,
17642 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17643 df_def_record_1, df_defs_record, df_uses_record,
17644 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17645 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17646 df_record_exit_block_uses, df_hard_reg_init): New functions.
17648 * df-problems.c: Seven concrete dataflow problems that use the
17649 scanning in df-scan.c and are solved by the engine in df-core.c.
17650 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17651 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17652 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17653 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17654 df_ru_free_bb_info, df_ru_alloc,
17655 df_ru_bb_local_compute_process_def,
17656 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17657 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17658 df_ru_transfer_function, df_ru_free, df_ru_dump,
17659 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17660 df_rd_free_bb_info, df_rd_alloc,
17661 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17662 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17663 df_rd_transfer_function, df_rd_free, df_rd_dump,
17664 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17665 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17666 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17667 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17668 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17669 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17670 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17671 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17672 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17673 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17674 df_urec_mark_reg_change, df_urec_check_earlyclobber,
17675 df_urec_mark_reg_use_for_earlyclobber,
17676 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17677 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17678 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17679 df_urec_dump, df_urec_add_problem, df_chain_alloc,
17680 df_chain_create_bb_process_use, df_chain_create_bb,
17681 df_chain_finalize, df_chain_free, df_chains_dump,
17682 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17683 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17684 df_reg_lifetime): New functions.
17685 * df.c: Deleted file.
17686 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17687 consistent with new df api.
17688 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17689 rest_of_handle_sms): Ditto.
17690 * web.c (unionfind_union, union_defs, entry_register, web_main):
17692 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17693 invariant_expr_equal_p, find_defs, check_dependencies,
17694 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17695 free_inv_motion_data, move_loop_invariants): Ditto.
17696 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17697 Update dependencies.
17698 (odf.c): Added defective entry that was deleted later in day.
17699 * sched-deps.c (sched_analyze_1): Ditto.
17701 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17703 * tree-ssa-operands.c (get_expr_operands): Record addressable
17704 variables directly. Do not call add_stmt_operands for CONST_DECLs
17706 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17707 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17709 2006-01-11 Ben Elliston <bje@au.ibm.com>
17711 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17712 function returns true in the positive case.
17714 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17717 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17718 for SI, DI, SF and DF modes. Add alternatives to copy between
17719 general and floating point registers to the 32-bit patterns.
17720 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17721 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17722 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17723 generating 64-bit code.
17724 * config/pa/pa.c (output_move_double): Handle copies between general
17725 and floating registers.
17727 2006-01-10 Stuart Hastings <stuart@apple.com>
17729 * config/i386/i386.md (set_got): Update.
17730 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17731 (builtin_setjmp_receiver): Mach-O support.
17732 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17733 (GOT_SYMBOL_NAME): Define.
17734 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17735 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17736 * config/i386/i386.c (override_options): Revise for Darwin.
17737 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17738 support. (darwin_x86_file_end): New. (output_set_got): Add label
17739 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17740 * config/i386/i386-protos.h (output_set_got): Likewise.
17741 * config/darwin.c (machopic_legitimize_pic_address): Update
17744 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17746 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17747 when MODE isn't BLKmode.
17749 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17751 PR rtl-optimization/25367
17752 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17754 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17757 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17758 for a negative bound.
17760 2006-01-10 Richard Guenther <rguenther@suse.de>
17762 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17763 Never override with anything constraint.
17765 2006-01-10 Jan Beulich <jbeulich@novell.com>
17767 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17768 256 bits when optimize_size.
17770 2006-01-10 Jan Beulich <jbeulich@novell.com>
17772 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17774 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17775 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17778 2006-01-10 Ben Elliston <bje@au.ibm.com>
17780 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17782 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17783 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17784 (USE_FP_FOR_ARG): Reject decimal float modes.
17785 (function_arg_advance): Likewise.
17786 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17787 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17788 point types in AltiVec vectors.
17789 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17790 (rs6000_libcall_value): Likewise.
17792 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17794 * config/xtensa/ieee754-df.S: New file.
17795 * config/xtensa/ieee754-sf.S: New file.
17796 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17797 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17798 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17800 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17802 * config/sh/predicates.md (binary_float_operator,
17803 binary_logical_operator, commutative_float_operator,
17804 equality_comparison_operator, greater_comparison_operator,
17805 less_comparison_operator, logical_operator,
17806 noncommutative_float_operator, shift_operator,
17807 symbol_ref_operand, unary_float_operator): Remove redundant
17810 2006-01-09 Jeff Law <law@redhat.com>
17812 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17813 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17814 now unused arguments. Callers updated.
17815 (eliminate_redundant_computations): Remove now unused arguments,
17817 (local_fold): Remove, no longer used.
17818 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17820 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17821 (simplify_cond): New function.
17822 (forward_propagate_into_cond): Call simplify_cond.
17824 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17826 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17827 (*vec_extractv2di_1_sse): New.
17829 2006-01-09 Ben Elliston <bje@au.ibm.com>
17831 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17833 2006-01-08 Richard Guenther <rguenther@suse.de>
17835 * tree-ssa-structalias.c (get_constraint_for): Remove
17836 anyoffset argument.
17837 (get_constraint_for_component_ref): Likewise.
17838 (do_deref): Likewise.
17839 (get_constraint_for): Likewise.
17840 (do_structure_copy): Likewise.
17841 (handle_ptr_arith): Likewise.
17842 (find_func_aliases): Likewise. Remove unused need_anyoffset
17845 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17846 Kaz Kojima <kkojima@gcc.gnu.org>
17848 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17849 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17850 (EXTRA_CONSTRAINT_C16): Remove.
17851 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17852 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17853 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17854 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17855 constants of SHmedia. Handle nested constant expressions of
17857 (andcosts): Fix the costs for SHmedia constants.
17858 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17859 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17860 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17861 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17862 (movv4hi_i, movv2si_i): Likewise.
17863 (movsi_const): Adjust the second operand of ior so to match with
17864 the Csu constraint.
17865 (movdi_const, movdi_const_32bit): Likewise.
17866 (movdi_const_16bit+1): Don't sign-extend LOW.
17867 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17869 (*double_shori): Fix the split condition. Use GEN_INT instead
17870 of get_int_mode calls. Mask lower 16-bit of the argument of
17872 (sym2GOTPLT): Remove.
17873 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17875 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17876 instead of EXTRA_CONSTRAINT_C16.
17878 2006-01-07 Ian Lance Taylor <ian@airs.com>
17879 David Edelsohn <edelsohn@gnu.org>
17881 PR rtl-optimization/25662
17882 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17883 for constant operands instead of simplify_gen_binary.
17884 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17885 after trying simplify_binary_operation
17887 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17889 * tree.c (iterative_hash_expr): Hash decls based on UID.
17891 2006-01-06 Eric Christopher <echristo@apple.com>
17893 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17894 (TARGET_UNWIND_EMIT): Fix spelling.
17895 * target.h (gcc_target): Add except_table_label.
17896 * except.c (output_function_exception_table): Use.
17897 * varasm.c (default_emit_except_table_label): New.
17898 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17900 (asm_out): Add here.
17901 * output.h (default_emit_except_table_label): Prototype.
17902 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17903 * config/darwin.c (darwin_emit_except_table_label): Define.
17904 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17906 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17908 PR tree-optimization/18527
17909 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17910 number_of_iterations_special, number_of_iterations_exit):
17911 Move base and step of an iv to a single structure. Add
17912 no_overflow flag, and use it in # of iterations analysis.
17913 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17914 folded_casts argument.
17915 (simple_iv): Pass base and step in a structure. Set no_overflow
17917 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17918 Evaluate expensiveness of computing # of iterations instead of
17919 the final expression.
17920 * tree-scalar-evolution.h (affine_iv): New structure.
17921 (simple_iv): Declaration changed.
17922 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17923 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17924 find_givs_in_stmt): Changed due to simple_iv change.
17926 2006-01-06 Jeff Law <law@redhat.com>
17929 * tree-cfg.c (bsi_replace): Rename final argument from
17930 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17931 change (stmt -> orig_stmt).
17932 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17933 (bsi_remove): Add new argument. Remove EH information
17935 (verify_eh_throw_table_statements): New function.
17936 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17938 * tree-optimize.c (execute_free_cfg_annotations): Verify
17939 the EH throw statement table after removing annotations.
17940 * except.h (verify_eh_throw_table_statements): Prototype.
17941 * tree-flow.h (bsi_remove): Update prototype.
17942 * tree-vrp.c (remove_range_assertions): Add new argument to
17944 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17945 * tree-complex.c (expand_complex_div_wide): Likewise.
17946 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17947 * tree-tailcall.c (eliminate_tailcall): Likewise.
17948 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17949 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17950 * tree-nrv.c (tree_nrv): Likewise.
17951 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17952 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17953 (combine_blocks): Likewise.
17954 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17955 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17956 (cleanup_control_flow): Likewise.
17957 (remove_forwarder_block): Likewise.
17958 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17959 * tree-sra.c (sra_replace): Likewise.
17960 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17961 (forward_propagate_single_use_vars): Likewise.
17962 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17963 * tree-inline.c (expand_call_inline): Likewise.
17964 * tree-vect-transform.c (vect_transform_loop): Likewise.
17965 * tree-outof-ssa.c (rewrite_trees): Likewise.
17966 * tree-cfg.c (make_goto_expr_edges): Likewise.
17967 (cleanup_dead_labels): Likewise.
17968 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17969 (bsi_move_before, bsi_move_after): Likewise.
17970 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17971 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17973 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17976 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17978 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17979 on non gimple variables. Also add checks at the top for decls and
17981 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17983 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17984 and IMAGPART_EXPR for creating MUST_DEFs.
17985 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17986 and NAME_MEMORY_TAG separately from the DECLs.
17988 2006-01-06 Richard Guenther <rguenther@suse.de>
17990 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17991 annotation, if necessary.
17992 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17993 redundant calls to update_stmt.
17994 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17997 2006-01-05 Richard Henderson <rth@redhat.com>
17999 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
18001 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18003 * c-typeck.c: Update copyright date.
18005 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18007 * c-typeck.c (build_c_cast): Always warn when casting
18008 from a pointer to an integer of different size, even if
18009 the node was constant.
18011 2006-01-05 Richard Guenther <rguenther@suse.de>
18013 PR tree-optimization/22555
18014 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
18015 if one structure field is an array.
18016 * tree-ssa-operands.c (get_expr_operands): Continue scanning
18017 operands even if we found a subvar, but ignore VOPs in this
18019 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
18021 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
18023 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
18025 PR middle-end/24998
18026 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
18028 2006-01-05 Richard Guenther <rguenther@suse.de>
18029 Diego Novillo <dnovillo@redhat.com>
18031 * tree-pass.h (TODO_remove_unused_locals): Define.
18032 * gimple-low.c (expand_var_p, remove_useless_vars,
18033 pass_remove_useless_vars): Remove. Update all users.
18034 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
18035 (remove_unused_locals): New function.
18036 * tree-flow.h (remove_unused_locals): Declare.
18037 * passes.c (execute_todo): Call remove_unused_locals if
18038 TODO_remove_unused_locals is set.
18039 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
18040 * tree-ssa-dce.c (pass_dce): Likewise.
18041 * tree-outof-ssa.c (pass_del_ssa): Likewise.
18043 2006-01-05 Richard Guenther <rguenther@suse.de>
18045 * tree-flow.h (struct fieldoff): Decompose field to
18046 type, size and decl.
18047 * tree-ssa-alias.c (create_sft): Take type as parameter.
18048 (create_overlap_variables_for): Store type, size and decl
18049 in the fieldoff structure.
18050 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
18051 of struct fieldoff.
18052 (push_fields_onto_fieldstack): Likewise.
18053 (create_variable_info_for): Likewise. Use offset for the
18054 SFT name if the decl is not available.
18056 2006-01-04 Paul Brook <paul@codesourcery.com>
18058 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
18060 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
18062 * lambda-code.c (can_put_in_inner_loop): Relax
18064 (can_put_after_inner_loop): New function.
18065 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
18066 (perfect_nestify): Change to make copies and modify uses.
18068 2006-01-04 Richard Henderson <rth@redhat.com>
18070 Merge from gomp branch:
18071 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
18072 via integer constant.
18073 (pragma_lex): Remove.
18074 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
18075 rather than parsing it.
18076 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
18077 handle_pragma_extern_prefix): Add %< %> quotes.
18078 (registered_pragmas): New.
18079 (c_register_pragma_1): New.
18080 (c_register_pragma): Use it.
18081 (c_register_pragma_with_expansion): Likewise.
18082 (c_invoke_pragma_handler): New.
18083 (init_pragma): Use cpp_register_deferred_pragma directly for
18085 * c-pragma.h (enum pragma_kind): New.
18086 (pragma_handler): New.
18087 (c_invoke_pragma_handler): Declare.
18088 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
18090 * c-common.h (c_common_pch_pragma): Update decl.
18091 * Makefile.in (c-parser.o): Update dependencies.
18092 (GTFILES): Add c-pragma.h.
18093 * c-parser.c (struct c_token): Add pragma_kind.
18094 (struct c_parser): Add in_pragma.
18095 (c_lex_one_token): Always initialize keyword and pragma_kind.
18096 Extract data for CPP_PRAGMA.
18097 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
18098 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
18099 Don't allow CPP_PRAGMA_EOL if in_pragma.
18100 (c_parser_consume_pragma): New.
18101 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
18102 (c_parser_skip_to_end_of_parameter): Likewise.
18103 (c_parser_skip_to_end_of_block_or_statement): Likewise.
18104 (c_parser_skip_to_pragma_eol): New.
18105 (c_parser_external_declaration): Handle CPP_PRAGMA.
18106 (c_parser_compound_statement_nostart): Likewise.
18107 (c_parser_statement_after_labels): Likewise.
18108 (c_parser_pragma): New.
18109 (pragma_lex): Likewise.
18110 (c_parser_pragma_pch_preprocess): New.
18111 (c_parser_new): Merge into ...
18112 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
18114 2006-01-04 Jeff Law <law@redhat.com>
18117 * tree-cfg.c (bsi_replace): Remove the original statement
18118 from the EH throw statement table.
18120 2006-01-04 Jakub Jelinek <jakub@redhat.com>
18122 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
18123 make the prototype extern "C" and add throw ().
18126 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
18127 and pos non-negative and pos + len <= 32.
18128 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
18129 drop pos + len < HOST_BITS_PER_WIDE_INT test.
18130 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
18133 * c-common.c (handle_vector_size_attribute): Reject zero vector size
18134 as well as sizes not multiple of component size.
18137 * function.c (instantiate_expr): New function.
18138 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
18139 walk its DECL_VALUE_EXPR with instantiate_expr.
18141 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
18142 DW_OP_deref{,_size} if address isn't going to be added.
18144 2006-01-04 Ben Elliston <bje@au.ibm.com>
18146 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
18147 * config/fp-bit.c: Likewise.
18149 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
18151 * dominance.c: Add comment about why we use DFS numbering
18154 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18155 Richard Henderson <rth@redhat.com>
18157 Merge from gomp-branch:
18158 * varasm.c (assemble_variable): Handle thread-local COMMON data.
18159 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
18161 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
18163 PR rtl-optimization/25578
18164 * combine.c (combine_simplify_rtx, force_to_mode): Don't
18165 pass a parameter to simplify_shift_const if changing ASHIFTRT
18168 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
18170 * builtins.c (get_builtin_sync_mem): New function.
18171 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
18172 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
18173 Call get_builtin_sync_mem to generate mem rtx.
18175 2006-01-03 Richard Guenther <rguenther@suse.de>
18178 * stmt.c (add_case_node): Make sure to clear overflow flags
18181 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18183 Merge from gomp-branch.
18184 * config/sparc/sync.md: New file.
18185 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
18186 UNSPECV_LDSTUB): New constants.
18187 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
18188 * config/sparc/predicates.md (memory_reg_operand): New predicate.
18189 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
18192 2006-01-03 Roger Sayle <roger@eyesopen.com>
18194 * combine.c (reg_subword_p): New predicate to test whether the
18195 destination of a set refers to a subword/piece of a register.
18196 (try_combine): Generalize the code to merge the setting of a
18197 pseudo to a constant followed by a set of a subword of that
18198 register to a constant.
18200 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
18202 * basic-block.h (control_flow_graph): Change the type of
18203 x_label_to_block_map to VEC(basic_block,gc) *.
18204 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
18205 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
18207 * tree-ssa-propagate.c (cfg_blocks): Change the type to
18208 VEC(basic_block,heap) *.
18209 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
18210 ssa_prop_fini): Adjust the uses of cfg_blocks.
18212 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
18214 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
18216 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
18217 hashing trees instead of a pointer hash.
18218 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
18219 compare for MEM_EXPR.
18221 PR rtl-optimization/25130
18222 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
18223 when comparing MEMs for GCSE
18225 2006-01-03 Ben Elliston <bje@au.ibm.com>
18227 * targhooks.h (default_decimal_float_supported_p): Declare.
18228 * targhooks.c (default_decimal_float_supported_p): Define.
18229 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
18230 `default_decimal_float_supported_p'.
18231 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
18233 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
18235 * combine.c (apply_distributive_law <SUBREG>): Check
18236 TRULY_NOOP_TRUNCATION.
18238 2006-01-02 Geoffrey Keating <geoffk@apple.com>
18240 * dwarf2out.c (have_switched_text_section): Delete.
18241 (have_multiple_function_sections): New.
18242 (have_location_lists): Make 'bool'.
18243 (add_AT_loc_list): Use 'true' not '1'.
18244 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
18245 (output_loc_list): Use have_multiple_function_sections.
18246 (output_ranges): Likewise.
18247 (dwarf2out_begin_function): Set have_multiple_function_sections if
18249 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
18250 Check function_section rather than DECL_SECTION_NAME.
18251 (dwarf2out_finish): Use have_multiple_function_sections.
18252 Don't clear have_location_lists.
18254 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
18255 Jan Hubicka <jh@suse.cz>
18257 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
18258 case of conditional jump jumping to the next instruction.
18259 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
18260 cases of conditional jump jumping to the next instruction.
18262 2006-01-02 Jan Hubicka <jh@suse.cz>
18264 * i386.c (*_cost): Add COSTS_N_INSNS.
18265 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
18267 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
18270 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
18272 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
18274 * config/arm/arm.c (all_fpus): Fix comment typo.
18275 * config/darwin.c: Likewise.
18276 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
18277 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
18278 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
18280 2006-01-01 David Edelsohn <edelsohn@gnu.org>
18282 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
18283 (rs6000_split_compare_and_swapqhi): New.
18284 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
18285 (sync_compare_and_swapqhi_internal): New.
18286 * config/rs6000/rs6000-protos.h: Declare.