1 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * builtins.c (fold_builtin_cosh): New.
4 (fold_builtin_1): Use it.
5 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
6 trunc to the list of "odd" functions. Also add llrint, lrint,
7 rint and nearbyint when flag_rounding_math is false.
9 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
11 * tree-flow.h (name_mappings_registered_p): Declare.
12 * tree-into-ssa.c (name_mappings_registered_p): New function.
13 * tree-cfg.c (tree_can_merge_blocks_p): Check
14 name_mappings_registered_p instead of need_ssa_update_p.
16 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
18 * tree-ssa-loop.c (tree_vectorize): Return the result of
20 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
22 * tree-vectorizer.h (vectorize_loops): Declaration removed.
23 * tree-flow.h (vectorize_loops): Declaration changed.
25 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
27 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
29 (issue_prefetch_ref): Move assignment to write_p out of loop.
30 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
31 SIMULTANEOUS_PREFETCHES into account.
32 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
33 * lambda-code.c (lcm): Renamed to ...
34 (least_common_multiple): ... and exported.
35 * tree-flow.h (least_common_multiple): Declare.
37 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
39 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
40 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
41 ud-chains. Handle AND_EXPR.
42 (record_estimate): Record whether the estimate is realistic
43 and whether it is derived from a loop exit.
44 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
45 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
47 (compute_estimated_nb_iterations): Take only realistic bounds into
48 account. Set estimate_state. Use double_ints.
49 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
50 and infer_loop_bounds_from_signedness. Do not consider basic blocks
51 that do not have to be always executed.
52 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
53 to determine whether to call infer_loop_bounds_from_undefined
54 and compute_estimated_nb_iterations.
55 (n_of_executions_at_most): Use double_ints.
56 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
57 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
58 * double-int.c (double_int_to_tree): Improve comment.
59 (double_int_fits_to_tree_p): New function.
60 * double-int.h (double_int_fits_to_tree_p): Declare.
61 * tree-data-ref.c: Include langhooks.h.
62 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
63 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
64 (analyze_array): Do not pass estimate_only argument to
65 analyze_array_indexes.
66 (get_number_of_iters_for_loop): Build tree from the stored double_int
68 (get_references_in_stmt, find_data_references_in_stmt): New functions.
69 (find_data_references_in_loop): Use find_data_references_in_stmt.
70 * tree-data-ref.h (struct data_ref_loc_d): New.
71 (get_references_in_stmt): Declare.
72 (estimate_iters_using_array): Declaration removed.
73 * cfgloop.h (struct nb_iter_bound): Change type of bound to
74 double_int. Improve comments. Add is_exit and realistic
76 (struct loop): Changed type of estimated_nb_iterations to double_int.
77 Added estimate_state field.
78 (record_estimate): Declaration removed.
80 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
82 * params.c (set_param_value): Initialize the "set" field.
83 * params.h (struct param_info): Add "set" field.
84 (PARAM_SET_P): New macro.
85 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
86 L1_CACHE_LINE_SIZE): New macros.
87 * toplev.c (DEFPARAM): Initialize the "set" field.
88 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
89 SIMULTANEOUS_PREFETCHES): Removed.
90 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
91 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
92 * config/sparc/sparc.c: Include params.h.
93 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
94 L1_CACHE_LINE_SIZE parameters.
95 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
97 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
99 * config/i386/i386.c: Include params.h.
100 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
101 (override_options): Set SIMULTANEOUS_PREFETCHES and
102 L1_CACHE_LINE_SIZE parameters.
103 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
104 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
105 L1_CACHE_LINE_SIZE parameters.
106 * config/ia64/ia64.c (ia64_optimization_options): Set
107 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
108 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
110 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
111 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
112 * doc/invoke.texi: Document new params.
114 2006-11-12 Roger Sayle <roger@eyesopen.com>
116 PR tree-optimization/13827
117 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
120 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
122 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
123 update_single_exit_for_duplicated_loops): New functions.
124 (duplicate_loop_to_header_edge): Use
125 update_single_exit_for_duplicated_loops.
126 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
127 functions only with ENABLE_CHECKING.
129 2006-11-12 Andreas Schwab <schwab@suse.de>
131 * except.c (sjlj_emit_function_enter): Remove unused variable.
133 2006-11-11 Roger Sayle <roger@eyesopen.com>
135 * fold-const.c (int_binop_types_match_p): New function.
136 (size_binop): Relax constraint that both arguments must both have
137 exactly the same sizetype type. Instead use int_binop_types_match_p.
138 (size_diffop): Likewise.
140 (make_range): Use build_int_cst instead of fold_convert.
141 (fold_cond_expr_with_comparison): Use build_int_cst to construct
142 integer constants of the correct type.
143 (fold_div_compare): Likewise.
144 (fold_single_bit_test): Likewise.
145 (fold_binary): Likewise.
146 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
147 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
149 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
152 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
153 non null value if the struct memory access is in the 0th
156 2006-11-12 Jie Zhang <jie.zhang@analog.com>
159 2006-11-11 Jie Zhang <jie.zhang@analog.com>
160 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
163 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
164 instead of builtin_define for bfin and BFIN.
166 2006-11-11 Jie Zhang <jie.zhang@analog.com>
168 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
171 2006-11-11 Jan Hubicka <jh@suse.cz>
173 * extended.texi (__builtin_expect): We no longer require second argument
175 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
176 * builtins.c (expand_builtin_expect): Simplify.
177 (expand_builtin_expect_jump): Kill.
178 * final.c (final_scan_insn): Do not skip the removed notes.
179 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
180 EXPECTED_VALUE): Remove.
181 * dojump.c (do_jump): Do not care about __builtin_expect.
182 * predict.c (expected_value_to_br_prob): Kill.
183 * function.c (expand_function_end): Do not expand
184 NOTE_INSN_REPEATED_LINE_NUMBER.
185 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
186 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
187 * cfgexpand.c (add_reg_br_prob_note): Export.
188 * cfgcleanup.c (rest_of_handle_jump2): Do not call
189 expected_value_to_br_prob.
190 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
191 * rtl.h (add_reg_br_prob_note): Declare.
193 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
195 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
197 2006-11-11 Jan Hubicka <jh@suse.cz>
199 * predict.c (predict_loops): Kill RTL variant.
201 2006-11-11 Jan Hubicka <jh@suse.cz>
203 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
204 * modulo-sched.c (find_line_note): Remove.
205 (loop_canon_p): Do not worry about line number notes.
206 (sms_schedule): Likewise.
207 * cse.c (cse_main): Likewise.
208 * regmove.c (fixup_match_1): Likewise
209 * function.c (emit_return_info_block): Likewise.
210 (expand_function_end): Likewise.
211 (thread_prologue_an_epilogue_insns): Likewise.
212 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
214 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
215 emit_note_copy_after): Kill.
216 (emit_note_copy): Do not worry about line numbers.
217 * jump.c (purge_line_number_notes): Kill.
218 (pass_purge_lineno_notes): Kill.
219 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
221 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
222 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
223 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
224 * tree-pass.h (pass_purge_lineno_notes): Kill.
225 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
226 rm_redundant_line_notes.
227 * sched-rgb.c (schedule_region): Don't rm_line_notes,
228 rm_redundant_line_notes.
229 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
230 * haifa-sched.c: Update comment about handling notes.
231 (unlink_line_notes): Kill.
232 (rm_line_notes): Kill.
233 (save_line_notes): Simplify.
234 (rm_redundant_line_notes): Kill.
236 2006-11-11 Richard Guenther <rguenther@suse.de>
238 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
239 Remove unused tree codes.
240 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
241 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
242 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
243 * tree.c (stabilize_reference): Likewise.
244 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
245 fold_unary): Likewise.
246 * tree-gimple.c (is_gimple_cast): Likewise.
247 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
248 * expr.c (expand_expr_real_1): Likewise.
249 * tree-eh.c (tree_could_trap_p): Likewise.
250 * gimplify.c (gimplify_expr): Likewise.
251 * tree-inline.c (estimate_num_insns_1): Likewise.
252 * tree-cfg.c (verify_expr): Likewise.
254 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
256 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
257 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
258 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
260 2006-11-11 Richard Sandiford <richard@codesourcery.com>
263 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
264 constraints accept neither registers or memories.
266 2006-11-11 Jie Zhang <jie.zhang@analog.com>
268 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
269 (NO_PROFILE_COUNTERS): Define as 1.
271 2006-11-10 Roger Sayle <roger@eyesopen.com>
273 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
274 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
276 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
278 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
280 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
282 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
283 (fold_builtin_hypot): Likewise.
284 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
286 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
288 2006-11-10 Roger Sayle <roger@eyesopen.com>
290 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
291 when attempting to build INTEGER_CSTs of non-integral types.
292 * expmed.c (make_tree): Use the correct type, i.e. the inner
293 type, when constructing the individual elements of a CONST_VECTOR.
295 2006-11-10 Jan Hubicka <jh@suse.cz>
297 * cse.c (cse_process_notes): Copy the propagated value.
298 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
300 * gcse.c (try_replace_reg): Copy the replacement.
301 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
302 (assign_386_stack_local): Always return copied memory expression
303 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
306 2006-11-10 Jan Hubicka <jh@suse.cz>
308 * final.c (final): Walk from first instruction.
309 * cfglayout.c (insn_locators_initialize): Remove line number notes.
311 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
314 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
316 (umulv8hi3_highpart): Ditto.
317 (vec_widen_smult_hi_v8hi): New expander.
318 (vec_widen_smult_lo_v8hi): Ditto.
320 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
322 * builtins.c (do_mpfr_arg3): New.
323 (fold_builtin_1): Handle builtins fma, fmin and fmax.
325 2006-11-09 Eric Christopher <echristo@apple.com>
330 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
331 * config.gcc (powerpc64-*-darwin*): New target.
332 * config.host: Ditto.
333 * config/rs6000/darwin64.h: New file.
334 * config/rs6000/x-darwin64: Ditto.
335 * config/rs6000/host-ppc64-darwin.c: Ditto.
337 2006-11-09 Steve Ellcey <sje@cup.hp.com>
339 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
340 routines for integer division.
342 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
344 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
346 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
349 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
351 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
353 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
354 simplify_subreg with BLKmode outer mode.
356 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
358 * doc/invoke.texi: Minor formatting fixes in option lists.
360 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
362 PR tree-optimization/29738
363 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
364 (ccp_lattice_t): Remove UNKNOWN_VAL.
365 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
366 Do not handle UNKNOWN_VAL.
367 (get_default_value): Set initial value of virtual operands to
369 (get_value): Always use get_default_value on uninitialized
371 (set_value_varying, surely_varying_stmt_p): New functions.
372 (set_lattice_value): Do not pass argument to get_value.
373 Do not handle UNKNOWN_VAL.
374 (likely_value): Follow the semantics described in the comment.
375 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
376 phi nodes DONT_SIMULATE_AGAIN.
377 (ccp_fold): Do not pass argument to get_value.
378 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
381 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
383 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
384 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
386 2006-11-08 Roger Sayle <roger@eyesopen.com>
388 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
389 test for inclusion rather than as a test for exclusion.
390 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
391 the condition after calling fold_binary.
392 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
393 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
394 * builtins.c (fold_builtin_isascii): Likewise.
395 (fold_builtin_isdigit): Likewise.
397 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
399 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
400 * configure: Regenerate.
402 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
404 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
405 enum argument instead of bool.
406 (vect_analyze_operations): Call vectorizable_type_promotion.
407 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
408 stmt_vec_info_type value.
409 (supportable_widening_operation, vectorizable_type_promotion): New
410 function declarations.
411 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
412 (vectorizable_type_promotion): New function.
413 (vect_transform_stmt): Call vectorizable_type_promotion.
414 * tree-vect-analyze.c (supportable_widening_operation): New function.
415 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
417 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
420 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
421 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
422 * tree-inline.c (estimate_num_insns_1): Add cases for above new
424 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
425 * expr.c (expand_expr_real_1): Likewise.
426 * optabs.c (optab_for_tree_code): Likewise.
427 (init_optabs): Initialize new optabs.
428 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
429 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
430 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
431 vec_unpacku_lo_optab): Initialize new optabs.
432 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
433 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
434 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
436 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
437 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
438 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
439 (vec_unpacku_lo_optab): New optabs.
440 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
441 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
442 (vec_widen_smult_hi, vec_widen_smult_lo): New.
443 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
444 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
445 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
447 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
448 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
449 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
450 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
451 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
452 implement the unsigned unpacking patterns.
453 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
454 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
455 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
456 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
457 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
458 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
459 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
460 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
461 multiplication patterns.
463 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
464 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
465 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
466 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
467 (rs6000_builtin_mul_widen_odd): New.
468 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
469 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
470 * tree-vectorizer.h (enum vect_relevant): New enum type.
471 (_stmt_vec_info): Field relevant chaned from bool to enum
473 (STMT_VINFO_RELEVANT_P): Updated.
474 (STMT_VINFO_RELEVANT): New.
475 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
476 instead of STMT_VINFO_RELEVANT_P.
477 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
478 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
479 and boolean variable with enum vect_relevant.
480 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
481 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
482 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
484 2006-11-08 Richard Henderson <rth@redhat.com>
486 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
487 vec_widen_umult_lo_v8hi): New.
488 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
489 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
491 * config/i386/i386.c (ix86_expand_sse_unpack): New.
492 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
493 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
494 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
495 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
496 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
497 vec_unpacks_lo_v4si): New.
499 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
501 * tree-vect-transform.c (vectorizable_type_demotion): New function.
502 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
503 (vect_analyze_operations): Call vectorizable_type_demotion.
504 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
505 stmt_vec_info_type value.
506 (vectorizable_type_demotion): New function declaration.
507 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
510 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
511 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
513 * tree-iniline.c (estimate_num_insns_1): Likewise.
514 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
515 * optabs.c (optab_for_tree_code): Likewise.
517 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
518 compared against the predicate of the result is not 'mode' (the input
519 to the function) but a mode with half the size of 'mode'.
520 (init_optab): Initialize new optabs.
521 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
523 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
525 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
526 (vec_pack_usat_optab): Initialize new optabs.
527 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
528 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
530 2006-11-08 Richard Henderson <rth@redehat.com>
532 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
533 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
534 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
535 (vec_interleave_highv4si, vec_interleave_lowv4si):
536 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
538 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
540 * tree-vect-transform.c (vectorizable_reduction): Support multiple
542 (vect_transform_stmt): Removed redundant code.
544 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
546 * tree-vect-transform.c (vectorizable_operation): Support multiple
549 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
551 * tree-vect-transform.c (vect_align_data_ref): Removed.
552 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
553 Updated function documentation. Return the increment stmt in ptr_incr.
554 (bump_vector_ptr): New function.
555 (vect_get_vec_def_for_stmt_copy): New function.
556 (vect_finish_stmt_generation): Create a stmt_info to newly created
558 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
560 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
561 VF is greater than the number of elements that can fit in one vector
563 (vectorizable_operation, vectorizable_condition): Likewise.
564 (vectorizable_store, vectorizable_load): Support the case that the VF
565 is greater than the number of elements that can fit in one vector word.
566 (vect_transform_loop): Don't fail in case of multiple data-types.
567 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
568 in case of multiple data-types; the smallest type determines the VF.
569 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
570 if they are of different sizes.
571 (vect_update_misalignment_for_peel): Compare misalignments in terms of
572 number of elements rather than number of bytes.
573 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
574 (vect_can_advance_ivs_p): Fix a dump printout
576 2006-11-07 Eric Christopher <echristo@apple.com>
578 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
580 * libgcc2.h: Remove transformation of bswap routines.
581 * config/i386/i386.md (bswapsi2): New.
584 2006-11-07 Jakub Jelinek <jakub@redhat.com>
586 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
587 (handle_gnu_inline_attribute): New function.
588 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
589 (merge_decls, start_decl, start_function): Likewise.
590 * doc/extend.texi: Document gnu_inline attribute.
592 2006-11-07 Steve Ellcey <sje@cup.hp.com>
595 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
596 _fixunstfdi, and _floatditf
598 2006-11-06 Anatoly Sokolov <aesok@post.ru>
600 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
602 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
603 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
604 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
605 which start in an odd register.
607 2006-11-07 Richard Sandiford <richard@codesourcery.com>
609 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
611 2006-11-07 Josh Conner <jconner@apple.com>
613 * doc/invoke.texi (fstrict-aliasing): Move implementation
615 * doc/tree-ssa.texi (Alias analysis): ...here.
617 2006-11-07 Richard Guenther <rguenther@suse.de>
619 PR tree-optimization/29610
620 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
621 of tree_purge_dead_eh_edges as it may free dominators.
623 * g++.dg/other/pr29610.C: New testcase.
625 2006-11-07 David Ung <davidu@mips.com>
627 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
628 costs when optimizing for size.
629 (override_options): Use mips_rtx_cost_optimize_size table for cost
632 2006-11-07 Jie Zhang <jie.zhang@analog.com>
634 * gcc.c (process_command): Treat -b as normal switch if its argument
637 2006-11-07 David Ung <davidu@mips.com>
639 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
642 2006-11-06 Eric Christopher <echristo@apple.com>
644 * config.gcc: Add x86_64-darwin host support.
645 * config.host: Ditto.
646 * config/i386/darwin64.h: New file.
647 * config/i386/t-darwin64: Ditto.
649 2006-11-06 Janis Johnson <janis187@us.ibm.com>
651 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
652 and output-exists-not.
654 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
657 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
658 checking for overflow.
660 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
662 * configure.ac: Fixed typo in case statement: :: changed to ;;
664 2006-11-06 Bob Wilson <bob.wilson@acm.org>
666 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
667 count_leading_zeros, and count_trailing_zeros.
668 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
669 (TARGET_FOLD_BUILTIN): Define.
670 (TARGET_EXPAND_BUILTIN): Define.
671 (xtensa_init_builtins): New.
672 (xtensa_fold_builtin): New.
673 (xtensa_expand_builtin): New.
674 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
675 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
676 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
677 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
678 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
679 (any_extend): New code macro.
680 (u, su): New code attributes.
681 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
682 (nsau): Remove; replaced by clzsi2.
683 (ffssi2): Use clzsi2.
684 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
685 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
686 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
687 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
688 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
690 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
692 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
694 * config/arm/t-strongarm-elf: Likewise.
695 * config/arm/t-pe: Likewise.
696 * config/arm/t-arm-elf: Likewise.
697 * config/arm/t-xscale-elf: Likewise.
698 * config/arm/t-arm-coff: Likewise.
699 * config/arm/t-xscale-coff: Likewise.
700 * config/arm/t-wince-pe: Likewise.
702 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
704 * config/sh/lib1funcs-4-300.asm: Guard entire file with
707 2006-11-05 Jakub Jelinek <jakub@redhat.com>
710 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
713 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
716 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
717 as a valid 80387 constant.
718 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
719 * config/i386/i386.md (unnamed splitter): Split the load of
720 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
723 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
725 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
726 from the soft-frame, argument and virtual registers.
728 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
730 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
731 patterns for standard 80387 constants.
733 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
734 Steven Bosscher <steven@gcc.gnu.org>
736 * fwprop.c: New file.
737 * Makefile.in: Add fwprop.o.
738 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
739 * passes.c (init_optimization_passes): Schedule forward propagation.
740 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
742 * timevar.def (TV_FWPROP): New.
743 * common.opt (-fforward-propagate): New.
744 * opts.c (decode_options): Enable forward propagation at -O2.
745 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
746 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
747 canon_for_address, table_size): Remove.
748 (new_basic_block, insert, remove_from_table): Remove references to
750 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
751 simplification loop more straightforward by not calling fold_rtx
753 (equiv_constant): Move here a small part of fold_rtx_subreg,
754 do not call fold_rtx. Call avoid_constant_pool_reference
756 * recog.h (canonicalize_change_group): New.
758 * doc/invoke.texi (Optimization Options): Document fwprop.
759 * doc/passes.texi (RTL passes): Document fwprop.
761 2006-11-03 Geoffrey Keating <geoffk@apple.com>
763 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
764 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
765 (grokdeclarator): Likewise.
767 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
769 * tree-dump.c (dump_enable_all): Rename local variable
770 ir_type to avoid name conflicts.
771 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
772 instead of using ir_type().
773 * profile.c (tree_register_profile_hooks): Likewise.
774 * value-prof.c (tree_register_value_prof_hooks): Likewise.
775 * basic-block.h (struct edge_def): Likewise.
776 * config/arm/arm.c (legitimize_pic_address): Likewise.
777 * coretypes.h (ir_type): New enum of all intermediate languages
779 * cfghooks.c (ir_type): Rename to...
780 (current_ir_type): ...this. Distinguish between cfgrtl and
781 cfglayout mode when the current IR is RTL. Return enum ir_type.
782 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
784 2006-11-03 Paul Brook <paul@codesourcery.com>
786 * config/arm/arm.c (arm_file_start): New function.
787 (TARGET_ASM_FILE_START): Define.
788 (arm_default_cpu): New variable.
789 (arm_override_options): Set arm_default_cpu.
791 2006-11-03 David Ung <davidu@mips.com>
793 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
794 PROCESSOR_24KC and PROCESSOR_24KF.
795 * config/mips/mips.c (mips_cpu_info_table): Add processor names
796 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
797 (mips_rtx_cost_data): Add costs for the 24kc.
798 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
799 * config/mips/24k.md: Remove references to 24k and replace with
800 uses of 24kc/24kf in the appropriate reservations.
801 * doc/invoke.texi (MIPS Options): Updated.
803 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
805 * config/sh/crt1.asm: Fix #ifdef indent.
807 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
808 Merged from STMicroelectronics sources:
809 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
810 * config/sh/crt1.asm (vbr_600): Add missing #if.
811 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
812 * sh.opt (mfused-madd): New option.
813 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
814 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
815 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
816 Remove pointless handler at VBR+0.
817 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
818 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
819 fr7. Make sure the timer handler is called with the correct FPU
820 precision setting, according to the ABI.
821 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
822 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
823 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
824 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
825 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
826 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
827 zero as second operand.
828 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
829 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
830 Fixed some bugs related to negative values, in particular -0
831 and overflow at -0x80000000.
832 * config/sh/divcost-analysis: Added sh4-300 figures.
833 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
834 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
835 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
836 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
837 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
838 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
840 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
842 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
843 SH4-300 scheduling description & fixes to SH4-[12]00 description:
844 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
845 mac_mem, mem_mac, dfp_mul, fp_cmp.
846 (insn_class, dfp_comp, any_fp_comp): Update.
847 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
848 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
849 (muldf3_i): Likewise.
850 (movsi_i): Split rI08 alternative into two separate alternatives.
852 (movsi_ie, movsi_i_lowpart): Likewise.
853 (movqi_i): Split ri alternative into two separate alternatives.
855 * sh1.md (sh1_load_store, sh1_fp): Update.
856 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
857 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
858 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
859 (sh4a_fp_double_arith): Likewise.
860 * sh4-300.md: New file.
861 * sh.c (sh_handle_option): Handle m4-300* options.
862 (sh_adjust_cost): Fix latency of auto-increments.
863 Handle SH4-300 differently than other SH4s. Check for new insn types.
864 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
865 been set by an option.
866 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
867 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
868 (mbranch-cost=): Likewise.
869 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
871 * sh.md (mulsf3): Remove special expansion code.
872 (mulsf3_ie): Now a define_insn_and_split.
873 (macsf3): Allow for TARGET_SH4.
875 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
876 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
877 (expand_cbranchdi4): Likewise.
878 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
879 CONST_DOUBLE if the outer code is COMPARE.
880 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
881 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
882 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
883 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
884 Remove redundant fp_{zero,one}_operand checks.
885 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
886 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
887 (expand_cbranchdi4): Likewise.
888 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
889 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
891 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
893 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
896 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
898 * doc/invoke.texi: Fix mfp-trap-mode typo.
900 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
902 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
903 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
904 file_end_indicate_exec_stack.
905 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
907 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
908 for a non-executable stack.
909 * crti.asm: Likewise.
910 * crtn.asm: Likewise.
911 * libunwind.S: Likewise.
913 2006-11-02 Ben Elliston <bje@au.ibm.com>
915 * tree-ssa.c (warn_uninit): Use expand_location variables for
916 locus and declaration locus.
918 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
921 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
922 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
923 cmp{eq,gt,gtu}{si,di}_media.
924 (*cmpne0si_media): Remove.
925 (*movsicc_umin): Adjust gen_cmp*_media call.
926 (unordered): Change the mode of unordered and operands[1] to
928 (seq): Adjust gen_cmp*_media calls. Make the mode of
929 a temporary result of compare SImode if needed. If the mode
930 of operands[0] is DImode, extend the temporary result to DImode.
931 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
932 (sunorderd): Change the mode of match_operand and unorderd to
934 (cmpeq{sf,df}_media): Remove.
935 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
936 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
937 and compare operation to SImode.
939 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
941 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
943 (sparc64-sun-solaris2*): Likewise.
945 2006-11-02 Paul Brook <paul@codesourcery.com>
947 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
948 from priority argument. Use different section for non-default
950 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
952 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
955 * except.c (switch_to_exception_section): Do not cache the section
956 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
957 and flag_function_sections is set.
959 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
962 * builtins.c (do_mpfr_sincos): New.
963 (fold_builtin_1): Use it to fold builtin sincos.
965 2006-11-01 Roger Sayle <roger@eyesopen.com>
967 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
968 it into -D_REENTRANT.
970 2006-11-01 Roger Sayle <roger@eyesopen.com>
972 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
973 whether the assembler supports taking the difference of symbols in
974 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
975 * configure: Regenerate.
976 * config.in: Regenerate.
977 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
978 the assembler doesn't support taking the difference of symbols in
979 different sections, i.e. we're using the native solaris assembler.
981 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
982 Peter Bergner <bergner@vnet.ibm.com>
984 * doc/invoke.texi: Add cpu_type power6x
985 (RS/6000 and PowerPC Options): Add -mmfpgpr.
986 * config.gcc: Add cpu_type power6x.
987 * configure.ac: Add test for mf{t,f}gpr instructions.
988 (HAVE_AS_MFPGPR): New.
989 * config.in: Regenerate.
990 * configure: Regenerate.
991 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
992 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
993 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
994 and mftgpr attributes.
995 (define_attr "cpu"): Add power6.
996 Change instruction sequences to use new attributes.
997 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
998 (fix_truncdfsi2_mfpgpr): New.
999 (floatsidf_ppc64_mfpgpr): New.
1000 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
1001 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
1002 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
1003 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
1004 (fix_truncdfsi2): Use gpc_reg_operand constraint.
1005 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
1006 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
1007 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
1008 cntlz,exts and var_delayed_compare.
1009 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1010 _ARCH_PWR6X, if features enabled.
1011 * config/rs6000/rs6000.opt (mmfpgpr): New.
1012 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
1013 (cached_can_issue_more): New variable.
1014 (processor_costs): Add power6_cost.
1015 (rs6000_sched_init): New function.
1016 (is_dispatch_slot_restricted): Deleted.
1017 (set_to_load_agen): New function.
1018 (is_load_insn,is_store_insn): New functions.
1019 (adjacent_mem_locations): New function.
1020 (insn_must_be_first_in_group): New function.
1021 (insn_must_be_last_in_group): New function.
1022 (rs6000_sched_reorder): New function.
1023 (rs6000_sched_reorder2): New function.
1024 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
1025 TARGET_SCHED_REORDER2): Define.
1026 (processor_target_table): Use PROCESSOR_POWER6 for power6.
1027 Add power6x. Add MASK_MFPGPR for power6x.
1028 (POWERPC_MASKS): Add MASK_MFPGPR.
1029 (rs6000_override_options): Set rs6000_always_hint to false
1030 for power6. Set rs6000_align_branch_targets. Replace
1031 rs6000_sched_groups check with rs6000_align_branch_targets.
1032 Use PROCESSOR_POWER6.
1033 (last_scheduled_insn): New variable.
1034 (load_store_pendulum): New variable.
1035 (rs6000_variable_issue): Set last_scheduled_insn and
1036 cached_can_issue_more.
1037 (rs6000_adjust_cost): Add power6 cost adjustments.
1038 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
1039 with insn_must_be_first_in_group. Add power6 priority adjustments.
1040 (rs6000_issue_rate): Add CPU_POWER6.
1041 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
1042 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
1043 (TARGET_MFPGPR): New.
1044 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
1045 (ASM_CPU_SPEC): Add power6x.
1046 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
1048 * config/rs6000/power6.md: New file.
1050 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
1052 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1053 HOST_WIDE_INT_PRINT to print high and low parts. Use
1054 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
1055 printing a hexadecimal number prefix it with 0x.
1057 2006-11-01 Chris Johns <chris@contemporary.net.au>
1060 * Makefile.in (install-driver): Use exeext when installing
1061 $target-gcc-$version.
1063 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
1065 * c-common.c (flag_cpp0x): New.
1066 * c-common.h (flag_cpp0x): New.
1067 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
1068 supported, define __GXX_EXPERIMENTAL_CPP0X__.
1069 * c-opts.c (set_std_cxx0x): New.
1070 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
1071 * c.opt (std=c++0x): Document.
1072 (std=gnu++0x): Ditto.
1073 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
1074 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
1076 2006-11-01 Richard Guenther <rguenther@suse.de>
1078 * config/i386/i386.c (ix86_expand_rint): Fix issues with
1080 (ix86_expand_floorceildf_32): Likewise.
1081 (ix86_expand_floorceil): Likewise.
1082 (ix86_expand_trunc): Likewise.
1084 2006-10-31 Andrew Pinski <pinskia@gmail.com>
1086 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
1089 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
1091 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
1093 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
1095 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
1097 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
1098 * configure.ac (use_cxa_atexit): As a special case, don't test
1099 for libc definition of __cxa_atexit on mingw32
1100 * configure: Regenerate.
1101 * config.gcc (i[34567]86-pc-mingw32): Default to
1102 enable__cxa_atexit=yes.
1104 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1106 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
1108 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1111 * c-decl.c (start_struct): Don't create self-containing
1113 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1115 * config/rs6000/rs6000-protos.h
1116 (darwin_rs6000_special_round_type_align): New.
1117 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
1118 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
1120 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1122 * toplev.c (compile_file): Call final_write_globals
1123 even if there have been errors.
1125 2006-10-31 Eric Christopher <echristo@apple.com>
1126 Falk Hueffner <falk@debian.org>
1128 * doc/extend.texi (__builtin_bswap32): Document.
1129 (__builtin_bswap64): Ditto.
1130 * doc/libgcc.texi (bswapsi2): Document.
1132 * doc/rtl.texi (bswap): Document.
1133 * optabs.c (expand_unop): Don't widen a bswap.
1134 (init_optabs): Init bswap. Set libfuncs explicitly
1135 for bswapsi2 and bswapdi2.
1136 * optabs.h (OTI_bswap): New.
1137 (bswap_optab): Ditto.
1138 * genopinit.c (optabs): Handle bswap_optab.
1139 * tree.h (tree_index): Add TI_UINT32_TYPE and
1141 (uint32_type_node): New.
1142 (uint64_type_node): Ditto.
1143 * tree.c (build_common_tree_nodes_2): Initialize
1144 uint32_type_node and uint64_type_node.
1145 * builtins.c (expand_builtin_bswap): New.
1146 (expand_builtin): Call.
1147 (fold_builtin_bswap): New.
1148 (fold_builtin_1): Call.
1149 * fold-const.c (tree_expr_nonnegative_p): Return true
1151 * builtin-types.def (BT_UINT32): New.
1153 (BT_FN_UINT32_UINT32): Ditto.
1154 (BT_FN_UINT64_UINT64): Ditto.
1155 * builtins.def (BUILT_IN_BSWAP32): New.
1156 (BUILT_IN_BSWAP64): Ditto.
1157 * rtl.def (BSWAP): New.
1158 * genattrtab.c (check_attr_value): New.
1159 * libgcc2.c (__bswapSI2): New.
1160 (__bswapDI2): Ditto.
1161 * libgcc2.h (__bswapSI2): Declare.
1162 (__bswapDI2): Ditto.
1163 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
1164 * simplify-rtx.c (simplify_const_unary_operation): Return
1166 * libgcc-std.ver (__bwapsi2): Add.
1167 (__bswapdi2): Ditto.
1168 * reload1.c (eliminate_regs_1): Add bswap.
1169 (elimination_effects): Ditto.
1170 * config/i386/i386.h (x86_bswap): New.
1171 (TARGET_BSWAP): Use.
1172 * config/i386/i386.c (x86_bswap): Set.
1174 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1176 * coverage.c (coverage_checksum_string): Update comment.
1177 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
1178 of get_file_function_name.
1179 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
1180 of get_file_function_name_long.
1181 * tree.c (get_file_function_name): Rename from
1182 get_file_function_name_long; improve comment; handle 'I' and 'D'
1183 specially when the target has ctor/dtor support; remove special
1185 (get_file_function_name): Remove.
1186 * tree.h (get_file_function_name): Rename from
1187 get_file_function_name_long.
1188 (get_file_function_name): Remove prototype.
1190 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1192 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
1193 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1195 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
1196 Call dsymutil when compiling and linking one or more source files
1199 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1202 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
1204 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1206 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
1207 inline static functions in c99 mode.
1210 * doc/extend.texi (Inline): Update.
1211 * c-tree.h (struct language_function): Remove field 'extern_inline'.
1212 * c-decl.c (current_extern_inline): Delete.
1213 (pop_scope): Adjust test for an undefined nested function.
1214 Add warning about undeclared inline function.
1215 (diagnose_mismatched_decls): Update comments. Disallow overriding
1216 of inline functions in a translation unit in C99. Allow inline
1217 declarations in C99 at any time.
1218 (merge_decls): Boolize variables. Handle C99 'extern inline'
1220 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
1221 C99 inline semantics.
1222 (start_function): Don't clear current_extern_inline. Don't set
1224 (c_push_function_context): Don't push current_extern_inline.
1225 (c_pop_function_context): Don't restore current_extern_inline.
1228 * c-typeck.c (build_external_ref): Warn about static variables
1229 used in extern inline functions.
1230 * c-decl.c (start_decl): Warn about static variables declared
1231 in extern inline functions.
1233 2006-10-31 Roger Sayle <roger@eyesopen.com>
1236 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
1237 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
1238 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
1239 or y is an even integer.
1241 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
1244 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
1245 * gthr-posix95.h (__gthread_active_p): Likewise.
1247 2006-10-31 Richard Guenther <rguenther@suse.de>
1249 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
1250 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
1251 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
1252 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
1253 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
1254 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
1255 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
1256 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
1259 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
1261 * opts.c (decode_options): Disable CSE skip blocks.
1263 2006-10-30 Dirk Mueller <dmueller@suse.de>
1265 * c-common.h (strict_aliasing_warning): Fix whitespace.
1266 * c-decl (start_function): Move code for main decl warning ..
1267 * c-common.c (check_main_parameter_types): .. here.
1268 * c-common.h (check_main_parameter_types): Declare.
1270 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1273 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
1275 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
1277 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
1278 be a PARALLEL containing sets. Return false when out_pat is not
1281 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1283 * config/mips/mips.md (mul<mode>3): Split into...
1284 (mulsi3, muldi3): ...these separate patterns.
1286 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1288 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
1289 but with each set of options separated by spaces.
1291 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
1293 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
1294 dwarf_reg_size_table has been initialized.
1296 2006-10-30 Roger Sayle <roger@eyesopen.com>
1298 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
1299 * ddg.c (print_ddg_edge): Likewise.
1300 * dwarf2out.c (prune_unused_types_walk): Likewise.
1301 * ifcvt.c (noce_try_cmove_arith): Likewise.
1302 * langhooks.c (add_builtin_function): Likewise.
1303 * reg-stack.c (subst_stack_regs_pat): Likewise.
1304 * tree.c (expanded_location): Likewise.
1305 * tree-dump.c (dequeue_and_dump): Likewise.
1307 2006-10-30 David Daney <ddaney@avtrex.com>
1309 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
1311 2006-10-30 Jakub Jelinek <jakub@redhat.com>
1313 PR tree-optimization/29637
1314 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
1315 of the innertype is the innertype itself.
1317 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
1319 * dwarf2out.c (file_name_acquire): Correct typo.
1321 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
1323 * tree.h (tree_value_handle): Remove struct value_set declaration.
1324 Change value_set to bitmap_set.
1325 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
1326 * tree-vn.c (get_value_handle): Made inline and moved to
1328 * tree-flow-inline.h: (has_stmt_ann): New function.
1329 * tree-ssa-pre.c (expressions): New variable.
1330 (next_expression_id): Ditto.
1331 (alloc_expression_id): New function.
1332 (struct value_set): Remove.
1333 (get_expression_id): New function.
1334 (get_or_alloc_expression_id): Ditto.
1335 (expression_for_id): Ditto.
1336 (clear_expression_ids): Ditto.
1337 (FOR_EACH_EXPR_ID_IN_SET): New macro.
1338 (bb_value_sets): Renamed to bb_bitmap_sets.
1339 All value sets replaced with bitmap_sets.
1341 (BB_VISITED): New macro.
1342 (postorder): New variable.
1343 (add_to_value): Removed.
1344 (value_exists_in_set_bitmap): Ditto.
1345 (value_insert_into_set_bitmap): Ditto.
1348 (set_remove): Ditto.
1349 (set_contains_value): Ditto.
1350 (insert_into_set): Ditto.
1352 (find_leader): Ditto.
1353 (bitmap_set_subtract_from_value_set): Ditto.
1354 (value_insert_into_set): Ditto.
1355 (print_value_set): Ditto.
1356 (debug_value_set): Ditto.
1357 (constant_expr_p): New function.
1358 (bitmap_remove_from_set): Ditto.
1359 (bitmap_insert_into_set): Ditto.
1360 (bitmap_set_free): Ditto.
1361 (vh_compare): Ditto.
1362 (sorted_array_from_bitmap_set): Ditto.
1363 (bitmap_set_subtract): Ditto.
1364 (bitmap_set_equal): Ditto.
1365 (debug_bitmap_set): Ditto.
1366 (find_leader_in_sets): Ditto.
1367 (bitmap_set_replace_value): Modify for bitmapped sets.
1368 (phi_translate): Ditto.
1369 (phi_translate_set): Ditto.
1370 (bitmap_find_leader): Ditto.
1371 (valid_in_sets): Ditto.
1372 (union_contains_value): Ditto.
1374 (compute_antic_aux): Ditto. Mark changed blocks.
1375 (compute_antic): Ditto. Iterate in postorder and only over
1377 (compute_rvuse_and_antic_safe): Reuse postorder.
1378 (create_component_ref_by_pieces): Modify for bitmapped sets.
1379 (find_or_generate_expression): Ditto.
1380 (create_expression_by_pieces): Ditto.
1381 (insert_into_preds_of_block): Ditto.
1382 (changed_blocks): New variable.
1383 (do_regular_insertion): Broken out from insert_aux.
1384 (insert_aux): Modified for bitmapped sets.
1385 (find_existing_value_expr): New function.
1386 (create_value_expr_from): Use it.
1387 (insert_extra_phis): Removed.
1388 (print_bitmap_set): Renamed from bitmap_print_value_set.
1389 (compute_avail): Handle RETURN_EXPR.
1390 (init_pre): Modify for bitmapped sets.
1391 * tree-flow.h (has_stmt_ann): New function.
1393 2006-10-29 Roger Sayle <roger@eyesopen.com>
1395 * builtins.c (fold_builtin_floor): Check for the availability of
1396 the C99 trunc function before transforming floor into trunc.
1398 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1400 * builtins.c (fold_builtin_hypot): Rearrange recursive
1401 transformation before others, and also do ABS_EXPR. When
1402 necessary, check flag_unsafe_math_optimizations. When necessary,
1405 2006-10-29 Roger Sayle <roger@eyesopen.com>
1407 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
1408 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
1409 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
1410 Fold -X eq/ne -Y as X eq/ne Y.
1412 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1414 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
1415 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
1416 rather than GENERATE_MULT3_SI in the various define_peephole2s.
1417 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
1418 Use an inclusive test for "mult" rather than "mul".
1419 (rotr<mode>3): Depend on ISA_HAS_ROR.
1420 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
1422 (GENERATE_MULT3_DI): Delete.
1423 (ISA_HAS_64BIT_REGS): Use consistent formatting.
1424 (ISA_HAS_MUL3): New macro.
1425 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
1426 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
1427 (ISA_HAS_CLZ_CLO): Likewise.
1428 (ISA_HAS_DCLZ_DCLO): Delete.
1429 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
1430 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
1431 the VR4120 and VR4130.
1432 (ISA_HAS_MACCHI): Use consistent formatting.
1433 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
1434 (ISA_HAS_ROR): ...this new macro.
1435 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
1436 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
1437 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
1439 2006-10-29 Roger Sayle <roger@eyesopen.com>
1441 PR tree-optimization/15458
1442 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
1445 2006-10-29 Richard Guenther <rguenther@suse.de>
1447 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
1448 (ix86_expand_truncdf_32): Likewise.
1449 * config/i386/i386.c (ix86_expand_trunc): New function expanding
1450 trunc inline for SSE math and -fno-trapping-math and if not
1451 optimizing for size.
1452 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
1453 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
1454 for expanding btrunc inline for SSE math.
1456 2006-10-29 Joseph Myers <joseph@codesourcery.com>
1458 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
1459 Handle tuning for bi-arch i[34567]86-*-linux* like that for
1460 i[34567]86-*-solaris2.1[0-9]*.
1461 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
1462 Define conditionally depending on TARGET_64BIT_DEFAULT.
1463 (SPEC_32, SPEC_64): Define.
1464 (LINK_SPEC): Use them.
1465 * doc/install.texi (--enable-targets=all): Document for x86-linux.
1467 2006-10-29 Richard Guenther <rguenther@suse.de>
1469 * config/i386/i386-protos.h (ix86_expand_round): Declare.
1470 (ix86_expand_rounddf_32): Likewise.
1471 * config/i386/i386.c (ix86_expand_round): New function expanding
1472 round inline for SSE math and -fno-trapping-math and if not
1473 optimizing for size.
1474 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
1475 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
1476 round via ix86_expand_round.
1478 2006-10-29 Richard Guenther <rguenther@suse.de>
1480 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
1481 (ix86_expand_floorceildf_32): Likewise.
1482 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
1483 static helper function.
1484 (ix86_expand_floorceil): Expander for floor and ceil to SSE
1486 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
1487 * config/i386/i386.md (floordf2): Adjust to enable floor
1488 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
1489 -fno-trapping-math is enabled and if not optimizing for size.
1490 (floorsf2, ceildf2, ceilsf2): Likewise.
1491 * config/i386/sse.md (sse_maskcmpsf3): New insn.
1492 (sse2_maskcmpdf3): Likewise.
1494 2006-10-29 Richard Guenther <rguenther@suse.de>
1496 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
1497 rint in case -fno-trapping-math is enabled.
1498 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
1499 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
1500 (ix86_expand_sse_fabs): Likewise.
1501 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
1502 * config/i386/i386.md (rintdf2): Enable for SSE math if
1503 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
1504 (rintsf2): Likewise.
1506 2006-10-29 Richard Guenther <rguenther@suse.de>
1508 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
1509 to conversion optabs.
1510 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
1511 as conversion optab.
1512 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
1513 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
1514 (lfloor_optab, lceil_optab): Adjust defines.
1515 * builtins.c (expand_builtin_int_roundingfn): Adjust for
1516 lfloor and lceil optabs now being conversion optabs.
1517 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
1518 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
1519 New static helper function.
1520 (ix86_expand_lfloorceil): New function to expand lfloor and
1522 * config/i386/i386.md (lfloor<mode>2): Split into ...
1523 (lfloorxf<mode>2): ... x87 variant
1524 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
1525 using ix86_expand_lfloorceil.
1526 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
1528 * doc/md.texi (lfloorMN, lceilMN): Document.
1530 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1532 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
1533 -mno-shared assembler option on mips targets.
1534 * configure, config.in: Regenerate.
1535 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
1536 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
1537 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
1539 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1541 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
1542 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
1544 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
1546 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
1547 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
1550 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1553 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
1554 (fold_builtin_pow): Evaluate constant arguments at compile-time
1556 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
1557 (do_mpfr_ckconv): New helper function.
1558 (do_mpfr_arg1): Use do_mpfr_ckconv.
1559 (do_mpfr_arg2): New.
1561 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1564 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
1565 (-fdump-rtl-sched): Rename to ..
1566 (-fdump-rtl-sched1): here. Also fix file extension number.
1568 2006-10-28 Richard Guenther <rguenther@suse.de>
1570 * fold-const.c (maybe_canonicalize_comparison): Fix code
1573 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1575 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
1576 (NON_QI_REG_P): Use IN_RANGE.
1577 (REX_INT_REGNO_P): Use IN_RANGE.
1578 (FP_REGNO_P): Use IN_RANGE.
1579 (SSE_REGNO_P): Use IN_RANGE.
1580 (REX_SSE_REGNO_P): Use IN_RANGE.
1581 (MMX_REGNO_P): Use IN_RANGE.
1582 (STACK_REGNO_P): New macro.
1583 (STACK_REG_P): Use STACK_REGNO_P.
1584 (NON_STACK_REG_P): Use STACK_REGNO_P.
1585 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
1586 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
1587 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
1588 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
1589 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
1591 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
1593 * except.h (output_function_exception_table): Add 'const char*' param.
1594 * except.c (switch_to_exception_section): Add 'const char*' param.
1595 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1596 and flag_function_sections is set, use a function-specific section.
1597 (output_function_exception_table): Add 'const char*' param.
1598 Adjust call to switch_to_exception_section.
1599 * final.c (rest_of_handle_final): Adjust calls to
1600 output_function_exception_table.
1601 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
1602 * config.in: Regenerate.
1603 * configure: Likewise.
1605 2006-10-28 Richard Guenther <rguenther@suse.de>
1608 * fold-const.c (maybe_canonicalize_comparison_1): Helper
1609 for maybe_canonicalize_comparison.
1610 (maybe_canonicalize_comparison): New function for canonicalizing
1612 (fold_comparison): Call it to canonicalize comparisons with
1615 2006-10-28 Richard Guenther <rguenther@suse.de>
1618 * builtins.c (expand_builtin_int_roundingfn_2): Expand
1619 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
1620 (expand_builtin): Adjust likewise.
1621 * genopinit.c (optabs[]): Add lround optab.
1622 * optabs.c (init_optabs): Initialize lround_optab.
1623 * optabs.h (enum convert_optab_index): Add COI_lround.
1624 (lround_optab): Define.
1625 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
1626 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
1628 (ix86_expand_lround): New function.
1629 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
1631 * doc/md.texi (lroundMN2): Document.
1633 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1636 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
1637 argument to HOST_WIDE_INT. Update function prototype.
1638 (round_frame_size): Change return type to HOST_WIDE_INT. Change
1639 "size" argument to HOST_WIDE_INT. Update function prototype.
1641 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1643 * config/i386/i386.c (output_387_ffreep): Create output from a
1644 template string for !HAVE_AS_IX86_FFREEP.
1646 2006-10-27 Eric Christopher <echristo@apple.com>
1648 * config/darwin.c: Fix formatting and grammar.
1650 2006-10-27 Jan Hubicka <jh@suse.cz>
1652 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1653 to be thrown away soon when IGNORE is set.
1654 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1655 indicating when return value shall not be computed.
1656 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1658 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1660 * config/i386/i386.h (TARGET_GEODE):
1661 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1662 (TARGET_CPU_DEFAULT_geode): New macro.
1663 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1664 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1665 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1666 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1667 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1669 (TARGET_CPU_DEFAULT_NAMES): Add geode.
1670 (processor_type): Add PROCESSOR_GEODE.
1672 * config/i386/i386.md: Include geode.md.
1675 * config/i386/i386.c (geode_cost): New initialized global
1677 (m_GEODE, m_K6_GEODE): New macros.
1678 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1679 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1680 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1681 x86_schedule): Use m_K6_GEODE instead of m_K6.
1682 (x86_movx, x86_cmove): Set up m_GEODE.
1683 (x86_integer_DFmode_moves): Clear m_GEODE.
1684 (processor_target_table): Add entry for geode.
1685 (processor_alias_table): Ditto.
1687 * config/i386/geode.md: New file.
1689 * doc/invoke.texi: Add entry about geode processor.
1691 2006-10-27 Mike Stump <mrs@apple.com>
1693 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1694 __DYNAMIC__ from here back to ...
1695 * config/darwin.h (CPP_SPEC): ... here.
1697 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1698 Nathan Sidwell <nathan@codesourcery.com>
1700 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1701 when choosing the minimum heapsize.
1703 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1705 * gcc/unwind-dw2.h: Move cfa-related variables into
1706 struct frame_state_reg_info to ensure that the CFA is properly
1707 handled when executing DW_CFA_{remember,restore}_state.
1708 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1709 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1710 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1711 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1712 gcc/config/rs6000/linux-unwind.h,
1713 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1714 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1715 Modify to use new cfa_* fields.
1717 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1719 * config/s390/s390.c (s390_init_frame_layout): Check positive
1722 2006-10-26 Ben Elliston <bje@au.ibm.com>
1724 * gimplify.c (get_name): Remove extraneous break.
1725 (gimplify_omp_for): Initialise ret with GS_OK.
1727 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1729 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1730 Add unix98.o to link line.
1732 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1735 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1736 Calculate compile-time constants using MPFR.
1737 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1738 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1740 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1742 * config/xtensa/lib2funcs.S: Use C-style comments.
1744 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1746 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1747 (file_table_relative_p): Likewise.
1748 (dwarf2out_finish): Likewise.
1749 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1751 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1753 * tree-ssa-structalias.c (intra_create_variable_infos):
1754 Don't recreate nonlocal_all if it already exists.
1756 2006-10-25 Richard Guenther <rguenther@suse.de>
1759 * optabs.h (enum optab_index): Remove OTI_lrint.
1760 (enum convert_optab_index): Add COI_lrint.
1761 (lrint_optab): Adjust.
1762 (expand_sfix_optab): Declare.
1763 * optabs.c (expand_sfix_optab): New function.
1764 (init_optabs): Init lrint_optab as conversion optab.
1765 * genopinit.c (lrint_optab): Change to a conversion optab.
1766 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1767 expansion via conversion optab.
1768 * config/i386/i386.md (*fistdi2_1): Remove
1769 flag_unsafe_math_optimizations guard.
1770 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1771 fist<mode>2_with_temp): Likewise.
1772 (lrint<mode>2): Split into...
1773 (lrintxf<mode>2): ... x87 part
1774 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1775 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1776 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1777 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1778 * doc/md.texi (lrintMN2): Document.
1780 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1783 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1784 Use inc and dec instructions for TARGET_USE_INCDEC.
1785 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1786 ("sync_double_compare_and_swap<mode>"): Likewise.
1787 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1788 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1789 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1790 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1791 ("sync_old_add<mode>"): Likewise.
1792 ("sync_lock_test_and_set<mode>"): Likewise.
1793 ("sync_lock_test_and_set<mode>"): Likewise.
1794 ("sync_add<mode>"): Likewise.
1795 ("sync_sub<mode>"): Likewise.
1796 ("sync_ior<mode>"): Likewise.
1797 ("sync_and<mode>"): Likewise.
1798 ("sync_xor<mode>"): Likewise.
1800 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1802 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1803 (remainder_optab): Define corresponding macro.
1804 (drem_optab): Remove.
1805 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1806 drem_optab initialization.
1807 * genopinit.c (optabs): Implement remainder_optab using
1808 remainder?f3 patterns. Remove drem_optab.
1809 * builtins.c (expand_builtin_mathfn_2): Handle
1810 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1811 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1812 expand_builtin_mathfn_2.
1814 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1815 depend on flag_unsafe_math_optimizations.
1817 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1818 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1819 Do not depend on flag_unsafe_math_optimizations. Use
1820 truncxf?f expander instead of truncxf?f_i387_noop.
1822 ("fpremxf4", "fprem1xf4"): Do not depend on
1823 flag_unsafe_math_optimizations.
1824 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1825 flag_unsafe_math_optimizations. Use truncxf?f expander
1826 instead of truncxf?f_i387_noop.
1828 * doc/md.texi (fmod, remainder): Document standard named pattern.
1830 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1831 David Daney <ddaney@avtrex.com>
1834 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1836 2006-10-25 Ben Elliston <bje@au.ibm.com>
1838 * doc/extend.texi (Variable Attributes): Typo fix.
1840 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1842 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1843 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1844 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1845 (FRAME_POINTER_REGNUM): Update register number to 21.
1846 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1847 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1849 * config/i386/i386.c (regclass_map): Add fpcr entry.
1850 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1852 (print_reg): Assert REGNO (x) != FPCR_REG.
1854 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1855 (DIRFLAG_REG): Renumber.
1856 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1857 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1858 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1859 hardcoded SSE register numbers.
1861 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1862 hardcoded MMX register numbers.
1864 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1867 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1868 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1870 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1871 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1872 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1873 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1875 2006-10-24 Richard Guenther <rguenther@suse.de>
1878 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1879 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1880 for deciding optimizations in consistency with fold-const.c
1881 (fold_builtin_unordered_cmp): Likewise.
1883 2006-10-24 Richard Guenther <rguenther@suse.de>
1885 * builtins.c (fold_builtin_floor): Fold floor (x) where
1886 x is nonnegative to trunc (x).
1887 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1888 nonnegative to FIX_TRUNC_EXPR.
1890 2006-10-24 Richard Guenther <rguenther@suse.de>
1892 PR tree-optimization/29567
1893 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1894 for TRUTH_NOT_EXPR. Clarify comments.
1896 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1899 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1900 at compile-time using MPFR. Change parameter VALUE to FUNC,
1902 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1903 for overflow and underflow at all times and avoid folding in
1906 2006-10-24 Ben Elliston <bje@au.ibm.com>
1908 * reload1.c: Formatting fixes.
1910 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1912 PR tree-optimization/14784
1913 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1914 * tree-ssa-structalias.c (get_constraint_for,
1915 intra_create_variable_infos): Set is_heapvar.
1916 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1917 non-heapvar pointer variables specially.
1919 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1922 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1923 fold_builtin_tan): Fold all constant arguments. Take a "type"
1924 argument as necessary.
1925 (do_mpfr_arg1): New.
1926 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1928 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1930 * config/xtensa/lib1funcs.asm: Use C-style comments.
1932 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1934 * tree.c (local_define_builtin): Replace calls to
1935 lang_hooks.builtin_function with add_builtin_function.
1936 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1938 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1940 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1941 common code to add_builtin_function.
1942 * langhooks.c (add_builtin_function): New function.
1943 (lhd_builtin_function): New function.
1944 * langhooks.h (struct lang_hooks): Change the signature of
1946 (add_builtin_function): New function.
1947 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1948 calls to lang_hooks.builtin_function with add_builtin_function.
1949 * c-common.c (decl_builtin_1): Replace calls to
1950 lang_hooks.builtin_function with add_builtin_function.
1951 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1952 lang_hooks.builtin_function with add_builtin_function.
1953 * config/frv/frv.c (def_builtin): Replace calls to
1954 lang_hooks.builtin_function with add_builtin_function.
1955 * config/s390/s390.c (s390_init_builtins): Replace calls to
1956 lang_hooks.builtin_function with add_builtin_function.
1957 * config/sparc/sparc.c (def_builtin): Replace calls to
1958 lang_hooks.builtin_function with add_builtin_function.
1959 * config/i386/i386.c (def_builtin): Replace calls to
1960 lang_hooks.builtin_function with add_builtin_function.
1961 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1962 lang_hooks.builtin_function with add_builtin_function.
1963 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1964 lang_hooks.builtin_function with add_builtin_function.
1965 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1966 Replace calls to lang_hooks.builtin_function with
1967 add_builtin_function.
1968 * config/iq2000/iq2000.c (def_builtin):
1969 Replace calls to lang_hooks.builtin_function with
1970 add_builtin_function.
1971 * config/ia64/ia64.c (def_builtin): Replace calls to
1972 lang_hooks.builtin_function with add_builtin_function.
1973 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1974 lang_hooks.builtin_function with add_builtin_function.
1975 (altivec_init_builtins): Replace calls to
1976 lang_hooks.builtin_function with add_builtin_function.
1977 * config/arm/arm.c (def_mbuiltin): Replace calls to
1978 lang_hooks.builtin_function with add_builtin_function.
1979 (arm_init_tls_builtins): Replace calls to
1980 lang_hooks.builtin_function with add_builtin_function.
1981 * config/mips/mips.c (mips_init_builtins): Replace calls to
1982 lang_hooks.builtin_function with add_builtin_function.
1983 * config/bfin/bfin.c (def_builtin): Replace calls to
1984 lang_hooks.builtin_function with add_builtin_function.
1985 * langhooks-def.h (lhd_builtin_function): New function.
1986 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1988 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1990 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1991 BUILT_IN_STRNCAT_CHK.
1993 2006-10-23 Jan Hubicka <jh@suse.cz>
1995 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1996 don't do conversion from memmove to memcpy here.
1997 (expand_builtin_bcopy, expand_builtin): Update call of
1998 expand_builtin_memmove.
1999 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
2001 2006-10-23 Paul Brook <paul@codesourcery.com>
2003 * stor-layout.c (start_record_layout): maximum_field_alignment
2004 overrides STRUCTURE_SIZE_BOUNDARY.
2006 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
2008 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
2009 nonlocal function symbols if flag_pic.
2011 2006-10-23 Richard Guenther <rguenther@suse.de>
2015 * builtins.c (fold_binary): Remove checks for flag_wrapv
2016 and flag_trapv where negate_expr_p covers these cases.
2018 2006-10-23 Richard Guenther <rguenther@suse.de>
2021 * fold-const.c (fold_plusminus_mult_expr): Check exact power
2022 of two on the absolute value.
2023 (fold_binary): Fold x * -C to -x * C if x is easily negatable
2024 and negating -C does not overflow.
2026 2006-10-23 Richard Guenther <rguenther@suse.de>
2029 * convert.c (convert_to_real): Fold (float)-x to -(float)x
2030 only if not flag_rounding_math.
2032 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2033 Kaz Kojima <kkojima@gcc.gnu.org>
2036 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
2037 SImode memory reference for the source of a movua.
2038 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
2039 (movua): Use an unspec instead of sign_extract. Expect the source
2040 to have mode BLKmode.
2041 (extv, insv): Use a BLKmode rather than SImode memory reference
2042 for the source of a movua.
2044 2006-10-22 Jeff Law <law@redhat.com>
2045 Richard Guenther <rguenther@suse.de>
2047 PR tree-optimization/15911
2048 * tree-vrp.c (extract_code_and_val_from_cond): New function.
2049 (register_edge_assert_for_1): Likewise.
2050 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
2051 (find_conditional_asserts): Adjust for new function signature.
2052 (find_assert_locations): Likewise.
2054 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2056 * config/i386/tmmintrin.h: Remove the duplicated content.
2058 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2060 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
2061 (x86_64-*-*): Likewise.
2063 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
2064 (override_options): Check SSSE3.
2065 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
2066 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
2067 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
2068 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
2069 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
2070 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
2071 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
2072 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
2073 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
2074 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
2075 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
2076 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
2077 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
2078 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
2079 IX86_BUILTIN_PABSD128.
2080 (bdesc_2arg): Add SSSE3.
2081 (bdesc_1arg): Likewise.
2082 (ix86_init_mmx_sse_builtins): Support SSSE3.
2083 (ix86_expand_builtin): Likewise.
2084 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
2086 * config/i386/i386.md (UNSPEC_PSHUFB): New.
2087 (UNSPEC_PSIGN): Likewise.
2088 (UNSPEC_PALIGNR): Likewise.
2089 Include mmx.md before sse.md.
2091 * config/i386/i386.opt: Add -mssse3.
2093 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
2094 (ssse3_phaddwv4hi3): Likewise.
2095 (ssse3_phadddv4si3): Likewise.
2096 (ssse3_phadddv2si3): Likewise.
2097 (ssse3_phaddswv8hi3): Likewise.
2098 (ssse3_phaddswv4hi3): Likewise.
2099 (ssse3_phsubwv8hi3): Likewise.
2100 (ssse3_phsubwv4hi3): Likewise.
2101 (ssse3_phsubdv4si3): Likewise.
2102 (ssse3_phsubdv2si3): Likewise.
2103 (ssse3_phsubswv8hi3): Likewise.
2104 (ssse3_phsubswv4hi3): Likewise.
2105 (ssse3_pmaddubswv8hi3): Likewise.
2106 (ssse3_pmaddubswv4hi3): Likewise.
2107 (ssse3_pmulhrswv8hi3): Likewise.
2108 (ssse3_pmulhrswv4hi3): Likewise.
2109 (ssse3_pshufbv16qi3): Likewise.
2110 (ssse3_pshufbv8qi3): Likewise.
2111 (ssse3_psign<mode>3): Likewise.
2112 (ssse3_psign<mode>3): Likewise.
2113 (ssse3_palignrti): Likewise.
2114 (ssse3_palignrdi): Likewise.
2115 (abs<mode>2): Likewise.
2116 (abs<mode>2): Likewise.
2118 * config/i386/tmmintrin.h: New file.
2120 * doc/extend.texi: Document SSSE3 built-in functions.
2122 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
2124 2006-10-22 Ira Rosen <irar@il.ibm.com>
2126 * tree-vect-transform.c (vectorizable_load): Use the type of the
2127 return value of the mask_for_load builtin to create realign_load
2130 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2132 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
2135 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
2137 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
2138 (UNSPEC_LDDQU): This.
2139 * config/i386/sse.md (sse3_lddqu): Updated.
2141 2006-10-21 Richard Guenther <rguenther@suse.de>
2143 * builtins.c (expand_builtin_int_roundingfn_2): New function.
2144 (expand_builtin): Use it to expand lrint instead of
2145 expand_builtin_mathfn.
2147 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2150 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
2151 flag_unsafe_math_optimizations is set.
2153 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2156 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
2157 patterns to use memory input operand in x87->mem->XMM
2158 reload sequences. Skip transformation for TARGET_K8.
2160 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2162 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
2163 force operand1 to register if both operands are memory operands.
2164 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
2165 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
2166 if both operands are memory operands.
2167 (truncdfsf2): Do not force operand1 to register if both operands
2168 are memory operands.
2170 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2172 * Makefile.in (LIBS): Add $(GMPLIBS).
2173 * doc/install.texi: Update GMP and MPFR requirements.
2174 * doc/sourcebuild.texi (need_gmp): Delete.
2176 2006-10-21 Richard Guenther <rguenther@suse.de>
2178 PR tree-optimization/3511
2179 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
2180 got new invariant arguments during PHI translation.
2182 2006-10-21 Richard Guenther <rguenther@suse.de>
2185 * fold-const.c (fold_comparison): Fold signed comparisons
2186 of the form X +- C1 CMP Y +- C2.
2188 2006-10-21 Richard Guenther <rguenther@suse.de>
2191 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
2192 if flag_unsafe_math_optimizations is specified. We have
2193 flag_finite_math_only for that.
2194 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
2195 or flag_unsafe_math_optimizations.
2197 2006-10-21 Richard Guenther <rguenther@suse.de>
2199 * builtins.c (fold_builtin_classify): Fix typo.
2201 2006-10-21 Richard Guenther <rguenther@suse.de>
2204 * simplify-rtx.c (simplify_const_relational_operation):
2205 Do not constant-fold ORDERED and UNORDERED for
2206 flag_unsafe_math_optimizations but only we do not need to
2207 honor NaNs for the given mode.
2209 2006-10-21 Richard Guenther <rguenther@suse.de>
2212 * config/i386/i386.c (classify_argument): Remove redundant
2213 walking of the BINFOs.
2214 (contains_128bit_aligned_vector_p): Likewise.
2216 2006-10-20 Mark Mitchell <mark@codesourcery.com>
2218 * BASE-VER: Set to 4.3.0.
2220 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
2222 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
2223 (tree_decl_with_vis): Remove artificial_pta_var flag.
2224 * tree-flow.h (referenced_var_check_and_insert): Expose.
2225 (nonlocal_all): New prototype.
2226 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
2227 (nonlocal_all): Make global.
2228 (nonlocal_lookup): Remove.
2229 (nonlocal_insert): Ditto.
2230 (create_nonlocal_var): Do not call nonlocal_insert.
2231 (get_nonlocal_id_for_type): Remove.
2232 (find_global_initializers): Mark new vars we find for renaming.
2233 (intra_create_variable_infos): Only create one nonlocal.
2234 (expand_nonlocal_solutions): Remove.
2235 (compute_points_to_sets): Don't call it.
2236 (ipa_pta_execute): Ditto.
2237 (init_alias_heapvars): Don't create nonlocal_for_type.
2238 (delete_alias_heapvars): Don't remove it.
2239 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
2242 2006-10-19 Brooks Moses <bmoses@stanford.edu>
2244 * doc/install.texi (Downloading GCC): Clarify mention of
2245 Fortran in the "full distribution" description.
2247 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
2249 Fix PR tree-optimization/28778
2250 Fix PR tree-optimization/29156
2251 Fix PR tree-optimization/29415
2252 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
2253 (tree_decl_with_vis): Add artificial_pta_var flag.
2254 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
2255 pushed into callers.
2256 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
2257 (nonlocal_all): Ditto.
2258 (struct variable_info): Add directly_dereferenced member.
2259 (var_escaped_vars): New variable.
2260 (escaped_vars_tree): Ditto.
2261 (escaped_vars_id): Ditto.
2262 (nonlocal_vars_id): Ditto.
2263 (new_var_info): Set directly_dereferenced.
2264 (graph_size): New variable
2265 (build_constraint_graph): Use graph_size.
2266 (solve_graph): Don't process constraints that cannot change the
2267 solution, don't try to propagate an empty solution to our
2269 (process_constraint): Set directly_dereferenced.
2270 (could_have_pointers): New function.
2271 (get_constraint_for_component_ref): Don't process STRING_CST.
2272 (nonlocal_lookup): New function.
2273 (nonlocal_insert): Ditto.
2274 (create_nonlocal_var): Ditto.
2275 (get_nonlocal_id_for_type): Ditto.
2276 (get_constraint_for): Allow results vector to be empty in the case
2277 of string constants.
2278 Handle results of calls properly.
2279 (update_alias_info): Update alias info stats on number and type of
2281 (find_func_aliases): Use could_have_pointers.
2282 (make_constraint_from_escaped): Renamed from
2283 make_constraint_to_anything, and changed to make constraints from
2285 (make_constraint_to_escaped): New function.
2286 (find_global_initializers): Ditto.
2287 (create_variable_info_for): Make constraint from escaped to any
2288 global variable, and from any global variable to the set of
2290 (intra_create_variable_infos): Deal with escaped instead of
2291 pointing to anything.
2292 (set_uids_in_ptset): Do type pruning on directly dereferenced
2294 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
2295 (init_base_vars): Fix comment, and initialize escaped_vars.
2296 (need_to_solve): Removed.
2297 (find_escape_constraints): New function.
2298 (expand_nonlocal_solutions): Ditto.
2299 (compute_points_to_sets): Call find_escape_constraints and
2300 expand_nonlocal_solutions.
2301 (delete_points_to_sets): Don't fall off the end of the graph.
2302 (init_alias_heapvars): Initialize nonlocal_for_type and
2304 (delete_alias_heapvars): Free nonlocal_for_type and null out
2307 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
2309 * fold-const.c (add_double): Rename to add_double_with_sign.
2310 Add 'unsigned_p' parameter and take it into account for the overflow.
2311 (mul_double): Rename to mul_double_with_sign.
2312 Add 'unsigned_p' parameter and take it into account for the overflow.
2313 (fold_div_compare): Call add_double_with_sign instead of add_double
2314 and mul_double_with_sign instead of mul_double, passing them the
2315 unsignedness of the type.
2316 * tree.h (add_double): Macroize.
2317 (add_double_with_sign): New prototype.
2318 (mul_double): Macroize.
2319 (mul_double_with_sign): New prototype.
2321 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
2323 * config/score/crti.asm: New file.
2324 * config/score/crtn.asm: New file.
2325 * config/score/elf.h: New file.
2326 * config/score/mac.md: New file.
2327 * config/score/misc.md: New file.
2328 * config/score/mul-div.S: New file.
2329 * config/score/predicates.md: New file.
2330 * config/score/score7.md: New file.
2331 * config/score/score.c: New file.
2332 * config/score/score-conv.h: New file.
2333 * config/score/score.h: New file.
2334 * config/score/score.md: New file.
2335 * config/score/score-mdaux.c: New file.
2336 * config/score/score-mdaux.h: New file.
2337 * config/score/score-modes.def: New file.
2338 * config/score/score.opt: New file.
2339 * config/score/score-protos.h: New file.
2340 * config/score/score-version.h: New file.
2341 * config/score/t-score-elf: New file.
2342 * config.gcc: Add score*-*-* configurations(Update before).
2343 * doc/invoke.texi (Score Options): New section.
2344 * doc/md.texi (Score family): New section to document constraints.
2346 2006-10-19 Nick Clifton <nickc@redhat.com>
2348 * config/arm/arm.c: Fix spelling typo.
2350 2006-10-18 Tom Tromey <tromey@redhat.com>
2352 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
2354 2006-10-18 Jan Hubicka <jh@suse.cz>
2357 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
2360 2006-10-18 Marcin Dalecki <martin@dalecki.de>
2362 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
2363 TSI_SAME_STMT, since that's the desired entity.
2365 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
2367 * config/s390/contraints.md: New file.
2368 * config/s390/s390-protos.h (s390_mem_constraint,
2369 s390_O_constraint_str, s390_N_constraint_str,
2370 s390_float_const_zero_p): Function prototypes added.
2371 * config/s390/s390.c (s390_extra_constraint_str,
2372 s390_const_double_ok_for_constraint_p,
2373 s390_const_ok_for_constraint_p): Functions removed.
2374 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
2375 s390_float_const_zero_p): New functions.
2376 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
2377 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
2378 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
2379 Macro definitions removed.
2380 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
2381 s390_extra_constraint_str): Functions removed.
2383 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
2384 Richard Sandiford <richard@codesourcery.com>
2387 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
2388 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
2390 2006-10-16 Geoffrey Keating <geoffk@apple.com>
2392 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
2393 (DWARF2_FRAME_REG_OUT): Likewise.
2394 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
2395 (DWARF2_FRAME_REG_OUT): Likewise.
2397 2006-10-17 Paul Brook <paul@codesourcery.com>
2399 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
2401 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2403 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
2404 Standardize on "GNU Fortran" as the official name of the Fortran
2407 2006-10-16 Mike Stump <mrs@apple.com>
2409 * doc/invoke.texi (Darwin Options): Document -mkernel.
2410 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
2412 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
2413 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
2414 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
2415 (OS_MISSING_ALTIVEC): Add.
2416 * config/i386/i386.c (override_options): Add
2417 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
2418 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
2419 -mkernel, -static or -mdynamic-no-pic is given.
2420 (C_COMMON_OVERRIDE_OPTIONS): Add.
2421 * config/darwin.opt (fapple-kext): Add.
2423 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
2424 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
2426 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
2427 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
2428 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
2429 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
2430 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
2431 (flag_mkernel): Add.
2432 (flag_apple_kext): Add.
2433 (TARGET_KEXTABI): Add.
2434 * config/darwin.c (darwin_handle_kext_attribute): Add.
2435 (DARWIN_VTABLE_P): Add.
2436 (darwin_binds_local_p): Add partial support for rebinding vtables
2438 (darwin_kextabi_p): Add.
2439 (darwin_override_options): Add.
2440 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
2441 (darwin_kextabi_p): Add.
2442 (darwin_override_options): Add.
2443 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
2444 __DYNAMIC__ and __STATIC__ here.
2446 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2448 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
2449 Added mention of "make pdf" target, and Texinfo requirements for
2452 2006-10-16 DJ Delorie <dj@redhat.com>
2454 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
2455 into the GOT in case we need a subreg of the address.
2457 2006-10-16 Richard Guenther <rguenther@suse.de>
2460 * doc/extend.texi (X86 Built-in Functions): Fix typos in
2461 SSE builtin documentation. Document SSE2 builtins.
2463 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2465 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
2466 symbol in the output file for non-shared links when -nostdlib or
2467 -nodefaultlibs isn't specified.
2469 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
2470 posix thread support.
2472 2006-10-15 Jan Hubicka <jh@suse.cz>
2475 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
2476 declared always_inline even when not inlining.
2478 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2479 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2480 Andrew Pinski <pinskia@gmail.com>
2483 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
2485 2006-10-15 Jan Hubicka <jh@suse.cz>
2486 Richard Guenther <rguenther@suse.de>
2489 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
2490 process_function_and_variable_attributes on all variables, including
2491 those discovered during cgraph construction phase.
2493 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
2495 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
2497 2006-10-14 Uros Bizjak <uros@kss-loka.si>
2499 * config/i386/athlon.md (athlon_fist): Add fisttp.
2501 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2502 Ian Lance Taylor <ian@airs.com>
2505 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
2506 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
2509 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
2511 * config/score/score.c, config/score/score.h: Fix comment
2514 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2517 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
2520 2006-10-13 Eric Christopher <echristo@apple.com>
2522 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2524 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2527 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2528 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2529 alignment supported by 32-bit ELF.
2531 2006-10-13 Eric Christopher <echristo@apple.com>
2533 * config/darwin.c (darwin_emit_unwind_label): Strip
2534 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
2536 2006-10-13 Richard Guenther <rguenther@suse.de>
2538 PR tree-optimization/29446
2539 * tree-vrp.c (fix_equivalence_set): Remove.
2540 (extract_range_from_assert): Do not call fix_equivalence_set.
2541 (debug_value_range): Print a newline.
2542 (compare_name_with_value): For equivalence sets with
2543 inconsistent value ranges conservatively bail out.
2544 (compare_names): Likewise.
2546 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2548 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
2549 and MPFR for gfortran.
2551 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2553 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2554 alignment supported by 32-bit ELF.
2556 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
2560 * c-typeck.c (digest_init): Always allow initializing vectors
2561 that have static storage duration with compound literals.
2562 * tree.c (build_type_attribute_qual_variant): New, based on
2563 build_type_attribute_variant.
2564 (build_type_attribute_variant): Rewrite using the former.
2565 (make_vector_type): Use build_type_attribute_qual_variant to build
2566 type variants. Use type_hash_canon on the others.
2568 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
2569 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
2571 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
2573 2006-10-12 Jan Hubicka <jh@suse.cz>
2576 * c-decl.c (c_make_fname_decl): Do not segfault in case where
2577 current_function_decl is set but current_function_scope is not.
2579 2006-10-12 Jie Zhang <jie.zhang@analog.com>
2581 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
2582 emit_insn to emit eh_return_internal instruction.
2583 (eh_return_internal): Explicitly set pc.
2585 2006-10-11 Richard Guenther <rguenther@suse.de>
2587 PR tree-optimization/28230
2588 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
2589 to the correct place.
2591 2006-10-11 Richard Guenther <rguenther@suse.de>
2594 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
2597 2006-10-10 Brooks Moses <bmoses@stanford.edu>
2599 * configure.ac: Added pdf to "Make-hooks"
2600 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
2601 targets and *.pdf file patterns in cleanup targets.
2602 * configure: Regenerated.
2604 2006-10-10 Anatoly Sokolov <aesok@post.ru>
2606 * config/avr/predicates.md: New file.
2607 * config/avr/avr.md: Include it.
2608 (REG_SP): New constant.
2609 (peepholes): Use predicates.
2610 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
2611 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
2612 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
2614 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
2616 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
2619 2006-10-10 Jakub Jelinek <jakub@redhat.com>
2622 * builtins.c (var_decl_component_p): New function.
2623 (fold_builtin_memset, fold_builtin_memory_op): Restrict
2624 single entry optimization to variables and components thereof.
2626 2006-10-10 Richard Guenther <rguenther@suse.de>
2628 PR rtl-optimization/29323
2629 * except.c (set_nothrow_function_flags): For functions
2630 that do not bind local bail out early.
2632 2006-10-10 Ben Elliston <bje@au.ibm.com>
2634 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
2637 2006-10-09 Richard Henderson <rth@redhat.com>
2639 Revert emutls patch.
2641 2006-10-09 Richard Guenther <rguenther@suse.de>
2644 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
2647 2006-10-09 Steve Ellcey <sje@cup.hp.com>
2650 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2651 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2652 * configure: Regenerate.
2653 * config.in: Regenerate.
2655 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2657 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2659 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2661 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2662 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2663 Remove stray newline.
2665 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2667 * config/mips/mips.c (mips_classify_symbol): Do not return
2668 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2669 (mips_in_small_data_p): Tweak comments.
2671 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2673 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2675 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
2677 * gimplify.c, sched-int.h: Fix comment typos.
2679 * sched-int.h: Fix comment typos.
2681 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2683 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2685 * sched-ebb.c (begin_schedule_ready): Use them.
2686 * haifa-sched.c (schedule_insn, move_insn, try_ready,
2687 add_to_speculative_block, create_check_block_twin, speculate_insn,
2688 fix_jump_move, move_block_after_check): Ditto.
2689 * sched-rgn.c (new_ready): Ditto.
2691 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2693 PR rtl-optimization/29128
2694 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2695 * sched-ebb.c (advance_target_bb): Use it to fix condition to
2696 allow interblock movement of speculation checks.
2698 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2701 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2702 casted to integer type.
2703 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2704 if they are significantly more expensive than [reg + index] ones.
2706 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2708 PR tree-optimization/29330
2709 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2710 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2711 on newly allocated ddrs.
2712 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2713 to VEC (loop_p, heap) pointer.
2714 (compute_data_dependences_for_loop): Adjust caller.
2715 (free_dependence_relations): Free DDR_LOOP_NEST.
2717 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2718 free DEPENDENCE_RELATIONS and DATAREFS.
2721 * builtins.c (expand_builtin_sync_operation,
2722 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2723 Use convert_to_mode to handle promoted arguments.
2725 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2727 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2729 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2731 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2733 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2735 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2736 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2737 Use <modeconstraint> instead of "r" as operand 1 constraint.
2739 2006-10-06 Olivier Hainque <hainque@adacore.com>
2741 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2742 Don't recurse on the pointed-to type.
2743 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2744 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2745 types with components of variable size.
2747 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2749 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2751 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2753 PR tree-optimization/29290
2754 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2758 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2759 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2762 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2763 the number of vector elements fill the rest with zeros.
2765 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2767 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2768 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2771 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2773 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2774 unnamed pattern into subsi3. Use correct constraints/predicates.
2775 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2776 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2778 2006-10-05 Ira Rosen <irar@il.ibm.com>
2780 * doc/loop.texi: Add data references analysis description.
2782 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2784 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2786 2006-10-04 Richard Henderson <rth@redhat.com>
2787 Jakub Jelinek <jakub@redhat.com>
2789 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2790 * builtin-types.def (BT_WORD): Make unsigned.
2791 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2792 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2793 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2794 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2795 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2796 * cgraph.c (decide_is_variable_needed): Look at force_output.
2797 Recurse for emulated tls.
2798 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2799 checks redundant with decide_is_variable_needed.
2800 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2801 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2803 * expr.c (emutls_var_address): New.
2804 (expand_expr_real_1): Expand emulated tls.
2805 (expand_expr_addr_expr_1): Likewise.
2806 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2807 * output.h (emutls_finish): Declare.
2808 * toplev.c (compile_file): Call it.
2809 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2810 address before wrapping in CONST.
2811 * varasm.c (emutls_htab, emutls_object_type): New.
2812 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2813 (get_emutls_object_name, get_emutls_object_type): New.
2814 (get_emutls_init_templ_addr, emutls_decl): New.
2815 (emutls_common_1, emutls_finish): New.
2816 (assemble_variable): When emulating tls, swap decls; generate
2817 constructor for the emutls objects.
2818 (do_assemble_alias): When emulating tls, swap decl and target name.
2819 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2821 * emutls.c: New file.
2822 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2823 tls_object for real tls.
2825 2006-10-04 Zack Weinberg <zackw@panix.com>
2827 Fix bug in constraint-check generator, reported by Rask Ingemann
2829 * genpreds.c (add_constraint): Don't remove anything from the
2831 (write_tm_constrs_h): Detect whether "op" argument is used, and
2832 mark it ARG_UNUSED if it isn't.
2833 (write_insn_const_int_ok_for_constraint): Skip the part of the
2834 expression that would test whether "op" (which is not available
2835 here) is a CONST_INT.
2837 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2840 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2842 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2844 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2845 current Leopard versions.
2846 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2848 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2850 * doc/install.texi: Fix typos.
2852 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2854 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2855 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2856 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2858 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2860 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2861 arg to be struct mach_header_64* instead.
2863 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2866 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2867 side effects after the outer expression's post side effects.
2869 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2871 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2872 comments to reflect actual behavior and relationship between
2873 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2875 * doc/c-tree.texi (Working with declarations): Fix documentation
2876 of FIELD_DECL likewise.
2878 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2881 * doc/extend.texi: Add used variable attribute description.
2883 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2886 * c.opt (Woverride-init): New.
2887 * c-opts.c (c_common_post_options): Default warn_override_init to
2889 * c-typeck.c (add_pending_init, output_init_element): Warn for
2890 overriding initializers without side effects.
2891 * doc/invoke.texi (-Woverride-init): Document.
2894 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2896 PR rtl-optimization/28096
2897 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2898 assignment has already been used as a destination earlier in the block.
2900 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2902 * builtins.c (expand_builtin_setjmp): Delete.
2903 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2904 <BUILT_IN_SETJMP_SETUP>: New case.
2905 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2906 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2907 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2908 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2909 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2910 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2911 (lower_function_body): Initialize it to false. If it is set to true
2912 at the end of the processing, emit the setjmp dispatcher.
2913 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2914 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2915 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2916 on the rhs of the assignment.
2917 (lower_builtin_setjmp): New function.
2918 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2919 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2920 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2921 to detect calls that can go to non-local labels. Use specific
2922 helper to create the abnormal edges associated with them.
2923 <MODIFY_EXPR>: Likewise.
2924 (make_abnormal_goto_edges): New function extracted from...
2925 (make_goto_expr_edges): ...here. Call it for computed gotos.
2926 (simple_goto_p): Minor tweak.
2927 (tree_can_make_abnormal_goto): New predicate.
2928 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2929 (tree_purge_dead_abnormal_call_edges): New function.
2930 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2931 (tree_purge_dead_abnormal_call_edges): Likewise.
2932 (make_abnormal_goto_edges): Likewise.
2933 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2934 Purge all dead abnormal edges if the call was in the last statement.
2935 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2936 (execute_fixup_cfg): If there are non-local labels in the function,
2937 scan the basic blocks and split them at calls that can go to non-local
2938 labels or add missing abnormal call edges. Write down the CFG in the
2940 (pass_fixup_cfg): Remove TODO_dump_func flag.
2941 * unwind-sjlj.c: Poison setjmp.
2942 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2943 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2944 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2945 (DONT_USE_BUILTIN_SETJMP): Document it.
2947 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2950 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2951 to 1 when __ppc64__ is defined.
2952 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2954 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2956 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2958 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2959 * config/ia64/unwind-hpux.c: Delete.
2961 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2963 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2964 on the element before gimplifying it, instead of punting if it is of
2967 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2969 * doc/loop.texi: New file.
2970 * doc/gccint.texi: Reference loop.texi.
2971 * Makefile.in (loop.texi): Add.
2973 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2975 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2977 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2978 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2980 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2982 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2984 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2986 * doc/install.texi: Document required versions of GMP and MPFR.
2988 2006-09-27 Paul Brook <paul@codesourcery.com>
2991 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2993 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2995 * reload1.c (alter_reg): Require the alignment of the stack slot to
2996 be at least reg_max_ref_width bytes.
2997 (scan_paradoxical_subregs): Record the largest width in
3000 2006-09-26 Jakub Jelinek <jakub@redhat.com>
3004 * tree-nested.c (struct nesting_info): Added static_chain_added.
3005 (convert_call_expr): Set static_chain_added when adding static
3006 chain. Handle OMP_PARALLEL and OMP_SECTION.
3008 2006-09-25 Matthias Klose <doko@debian.org>
3010 * doc/invoke.texi: Add missing full stop.
3012 2006-09-25 Richard Henderson <rth@redhat.com>
3014 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
3015 before cgraph_function_flags_ready.
3017 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
3018 Adam Nemet <anemet@caviumnetworks.com>
3020 * tree-ssa-loop-ivopts.c (aff_combination_convert,
3021 determine_common_wider_type): New functions.
3022 (get_computation_aff): Use them to simplify arithmetic between
3023 UBASE and CBASE if they are shortened from the same type.
3025 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
3028 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
3029 -2147483647 - 1 instead of 0x80000000.
3031 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
3033 * flags.h (HONOR_NANS): Fix typo in comment.
3035 2006-09-23 Uros Bizjak <uros@kss-loka.si>
3037 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
3039 2006-09-23 Jakub Jelinek <jakub@redhat.com>
3043 * tree.c (merge_attributes, attribute_list_contained): If both
3044 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
3046 * c-typeck.c (comptypes_internal): Don't consider aggregates
3047 in different TUs as compatible if there one set of attributes is
3048 not a subset of the other type's attributes.
3049 (composite_type): Try harder not to create a new aggregate type.
3051 2006-09-22 Geoffrey Keating <geoffk@apple.com>
3053 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
3054 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
3055 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
3056 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
3057 than replicating condition above.
3058 * config.host (i[34567]86-*-*): Always use driver-i386.o.
3060 * config/darwin.h (LINK_SYSROOT_SPEC): New.
3061 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
3062 the linker by default.
3064 2006-09-22 Mike Stump <mrs@apple.com>
3066 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
3069 2006-09-22 Richard Guenther <rguenther@suse.de>
3072 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
3073 sort of stack variables stable.
3075 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
3078 * explow.c (force_reg): Set REG_POINTER flag according to
3081 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
3083 PR tree-optimization/28888
3084 * tree-if-conv.c (combine_blocks): Rewritten.
3085 * tree-cfg.c (tree_verify_flow_info): Check that edges with
3086 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
3088 2006-09-22 Jakub Jelinek <jakub@redhat.com>
3090 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
3093 2006-09-21 Richard Sandiford <richard@codesourcery.com>
3095 * varasm.c (copy_constant): Fix reversed gcc_assert check.
3097 2006-09-21 Janis Johnson <janis187@us.ibm.com>
3099 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
3101 2006-09-21 Roger Sayle <roger@eyesopen.com>
3104 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
3105 dw_fde_current_label, to be the start of the function, i.e. the same
3106 value as dw_fde_begin.
3108 2006-09-20 Richard Sandiford <richard@codesourcery.com>
3110 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
3111 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
3112 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
3113 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
3114 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
3115 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
3116 (abs<mode>2, neg<mode>2): Likewise.
3117 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
3118 (*mips_abs_ps): New define_insn.
3120 2006-09-20 Josh Conner <jconner@apple.com>
3123 * calls.c (expand_call): Allow reuse of structure return stack
3126 2006-09-20 Paul Brook <paul@codesourcery.com>
3128 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
3131 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3133 * doc/extend.texi (Decimal Float): Update for latest draft TR,
3134 clean up terminology.
3136 2006-09-20 Steve Ellcey <sje@cup.hp.com>
3139 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
3140 with tablejumps in them.
3142 2006-09-20 Jakub Jelinek <jakub@redhat.com>
3145 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
3146 wrap it into TARGET_EXPR.
3148 2006-09-20 Eric Christopher <echristo@apple.com>
3150 * config/i386/i386.c (x86_fisttp): Remove.
3151 * config/i386/i386.h (x86_fisttp): Ditto.
3152 (TARGET_FISTTP): Ditto.
3154 2006-09-19 Eric Christopher <echristo@apple.com>
3156 * doc/tm.texi (OBJC_JBLEN): Describe.
3157 * config/i386/darwin.h (OBJC_JBLEN): Define.
3158 * config/rs6000/darwin.h: Ditto.
3160 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
3162 PR rtl-optimization/21299
3163 * reload1.c (reload): Purge invalid ASMs in the final pass.
3165 2006-09-19 Steve Ellcey <sje@cup.hp.com>
3168 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
3169 pointers as legitimate constants.
3171 2006-09-19 Paul Brook <paul@codesourcery.com>
3174 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
3176 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
3178 PR tree-optimization/28887
3179 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
3180 component parts from the reference.
3181 (gather_memory_references_ref): Record the reference without the
3182 nonaddressable component parts.
3184 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
3187 * c-opts.c (c_common_handle_option): Ignore the -std options
3188 if the input language is assembly.
3190 2006-09-17 Ira Rosen <irar@il.ibm.com>
3193 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
3195 (ptr_ptr_may_alias_p): Likewise.
3196 (record_record_differ_p): New function.
3197 (base_object_differ_p): Call record_record_differ_p.
3199 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3202 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
3203 away for the expr argument.
3205 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3208 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
3209 before using it for dumping after vectorizing loops.
3211 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3212 Jack Howarth <howarth@bromo.med.uc.edu>
3215 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
3216 skip on error_mark_node.
3217 (rs6000_darwin64_record_arg_recurse): Likewise.
3219 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3221 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
3222 * doc/rtl.texi: Remove related documentation.
3224 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
3226 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
3229 2006-09-15 Jim Wilson <wilson@specifix.com>
3231 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
3232 Handle symbol offsets same as they are handled in ia64_expand_move
3235 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
3237 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
3238 Add forgotten parameter to the fprintf call.
3240 2006-09-15 Steve Ellcey <sje@cup.hp.com>
3242 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
3244 2006-09-15 Uros Bizjak <uros@kss-loka.si>
3246 * doc/contrib.texi: Add my entry.
3248 2006-09-15 Nick Clifton <nickc@redhat.com>
3250 * doc/md.texi (Processor pipeline description): Fix typo in
3251 example of how to use the absence_set directive and reword the
3252 description to make it slightly easier to read.
3254 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3256 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
3257 * loop-doloop.c (doloop_optimize): Use it to limit costs of
3258 expanding the number of iterations.
3259 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
3261 * cfgrtl.c (emit_insn_at_entry): New function.
3262 * rtl.h (emit_insn_at_entry): Declare it.
3263 * integrate.c (emit_initial_value_sets): Use it.
3265 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
3267 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
3269 (struct loop_work and related VEC declarations): Delete.
3270 (bfin_dump_loops): Print out new member bad.
3271 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
3272 (bfin_scan_loop): Don't recurse.
3273 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
3274 loops. No longer need to update outer loops if the current one is
3275 found bad. Move some validitiy checks to bfin_discover_loop.
3276 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
3277 but changed not to check for nesting. Also changed to use the new bad
3279 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
3280 time. Use bitmap based test to discover loop nesting.
3282 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
3284 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
3287 2006-09-14 Richard Guenther <rguenther@suse.de>
3288 Kazu Hirata <kazu@codesourcery.com>
3290 PR middle-end/28884.
3291 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
3292 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
3293 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
3294 with TARGET_FUNCTION_VALUE.
3296 2006-09-14 Anatoly Sokolov <aesok@post.ru>
3299 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
3301 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
3303 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
3306 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3309 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
3312 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3314 * basic_block.h (bb_has_eh_pred): Fix comment.
3316 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3318 * flow.c (calculate_global_regs_live): Invalidate eh registers
3319 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
3320 (propagate_block): Handle eh registers as if they were set at basic
3322 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
3324 * global.c (global_conflicts): Make eh registers to conflict with
3325 pseudos live at basic block begin.
3326 * basic_block.h (bb_has_eh_pred): New function.
3328 2006-09-13 Richard Sandiford <richard@codesourcery.com>
3330 PR rtl-optimization/28982
3331 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
3332 index of a PRE_MODIFY or POST_MODIFY address.
3333 * reload1.c (inc_for_reload): Use find_replacement on the original
3334 base and index registers.
3336 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
3338 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
3339 for -Os. Update __m128 alignment requirement.
3341 2006-09-13 Jan Hubicka <jh@suse.cz>
3343 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
3345 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3347 PR rtl-optimization/28243
3348 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3349 the insn to which the note was originally attached.
3351 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3352 Roger Sayle <roger@eyesopen.com>
3354 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
3355 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
3356 on platforms that don't use dwarf for debug info.
3358 2006-09-12 Jason Merrill <jason@redhat.com>
3361 * builtins.c (expand_builtin_setjmp_receiver): Clobber
3362 hard_frame_pointer_rtx after using it to update the frame pointer.
3364 2006-09-12 Roger Sayle <roger@eyesopen.com>
3366 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
3367 (TARGET_ASM_CLOSE_PAREN): Likewise.
3368 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
3369 (TARGET_ASM_CLOSE_PAREN): Likewise.
3371 2006-09-12 Roger Sayle <roger@eyesopen.com>
3374 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
3375 frame information for frames larger than 512 Kbytes on Tru64 when
3376 using the native assembler.
3378 2006-09-12 Roger Sayle <roger@eyesopen.com>
3382 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
3383 and symbols. Instead use the implementation from cse.c's hash_rtx.
3385 2006-09-12 Jan Hubicka <jh@suse.cz>
3387 PR rtl-optimization/28071
3388 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
3389 (vect_transform_loop): Likewise.
3390 * tree-vectorizer.c (new_loop_vec_info): Likewise.
3391 (new_loop_vec_info): Likewise.
3392 (destroy_loop_vec_info): Likewise.
3393 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
3394 (create_stmt_ann): Likewise.
3395 (create_tree_ann): Rename to ...
3396 (create_tree_common_ann): ... this one; allocate only the common part
3398 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
3399 (get_value_handle): Likewise.
3400 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
3401 get_tree_common_ann.
3402 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
3403 (vinfo_for_stmt): Use stmt annotations.
3404 * tree-flow.h (tree_ann_common_t): New type.
3405 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
3406 (tree_ann, get_tree_ann, create_tree_ann): New.
3407 * tree-flow-inline.h (get_function_ann): Do more type checking.
3408 (stmt_ann): Likewise.
3409 (tree_ann): Rename to ...
3410 (tree_common_ann): ... this one; return ony common_ann
3411 (get_tree_ann): Rename to ...
3412 (tree_common_ann): This one; return only common_ann.
3413 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
3416 2006-09-11 Geoffrey Keating <geoffk@apple.com>
3418 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
3419 with_cpu by default.
3421 * dwarf2out.c (dwarf_file_data): New.
3422 (enum dw_val_class): Add dw_val_class_file.
3423 (struct dw_val_struct): Add val_file.
3424 (file_table): Change to a hash table.
3425 (file_table_emitted): Delete.
3426 (file_table_last_lookup_index): Delete.
3427 (emitcount): Delete.
3428 (last_emitted_file): New.
3429 (lookup_filename): Change prototype to return a struct dwarf_file_data.
3430 (init_file_table): Delete.
3431 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
3432 (AT_addr): Add comment.
3436 (print_die): Handle dw_val_class_file.
3437 (print_dwarf_line_table): Update for new file table structure.
3438 (attr_checksum): Do checksum a filename.
3439 (same_dw_val_p, same_attr_p): Do compare a filename.
3440 (size_of_die): Handle dw_val_class_file.
3441 (value_format): Likewise.
3442 (output_die): Likewise. Also, call maybe_emit_file here.
3443 (struct file_info): Constify filenames. Make file_idx a pointer
3444 to a struct dwarf_file_data.
3445 (struct dir_info): Constify directory names. Remove 'used' field.
3446 (struct file_name_acquire_data): New.
3447 (file_name_acquire): New.
3448 (output_file_names): Modify to handle new file data structures.
3449 (add_src_coords_attributes): Use add_AT_file.
3450 (add_call_src_coords_attributes): Likewise.
3451 (dwarf2out_imported_module_or_decl): Likewise.
3452 (gen_subprogram_die): Modify for new file data structures.
3453 (gen_variable_die): Likewise.
3454 (file_table_eq): New.
3455 (file_table_hash): New.
3456 (file_table_last_lookup): New.
3457 (lookup_filename): Rewrite to handle new file data structures.
3458 (maybe_emit_file): Rewrite to handle new file data structures.
3459 (dwarf2out_source_line): Always call lookup_filename and
3461 (dwarf2out_init): Create file_table here.
3462 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
3463 (file_table_relative_p): New.
3464 (dwarf2out_finish): Change detection of relative filenames
3465 to work with new file data structures. Move output_line_info call
3466 after debug_info output.
3468 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
3473 * config/i386/i386.c (override_options): Always default to 16
3474 byte stack boundary.
3476 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
3479 * var-tracking.c (dump_dataflow_set): Start dumping at
3481 (clobber_variable_part): Kill only the variable part in
3482 registers holding it, leaving other variables alone.
3484 2006-09-11 Josh Triplett <josh@freedesktop.org>
3486 * doc/extend.texi (Other Builtins): Actually use the macro
3487 argument in the documentation example for
3488 __builtin_types_compatible_p.
3490 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3492 PR rtl-optimization/28726
3493 * sched-deps.c (sched_analyze_reg): New function extracted from...
3494 (sched_analyze_1): ...here. Call it to analyze references to
3495 registers. Treat again writes to a stack register as writing to the
3497 (sched_analyze_2): ...and here. Call it to analyze references to
3498 registers. Treat again reads of a stack register as reading the
3501 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
3502 David Edelsohn <edelsohn@gnu.org>
3505 * config/rs6000/spe.md (frob_df_di): Remove %H.
3506 (frob_di_df): Remove %H. Change evmergelo to mr.
3507 (frob_di_df_2): Remove %H. Change evldd to two loads.
3509 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
3511 * doc/cpp.texi: Fix names of charset options.
3513 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
3516 * config/i386/i386.c (override_options): Use 128-bit
3517 stack boundary always for 64bits.
3519 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3521 PR rtl-optimization/28636
3522 * combine.c (force_to_mode): Test for side-effects before
3523 substituting by zero.
3524 (simplify_shift_const): Likewise for zero or other constants.
3526 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
3529 * builtins.c (expand_builtin_setjmp): Force next_lab to be
3532 2006-09-10 Richard Sandiford <richard@codesourcery.com>
3535 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
3536 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
3537 returned by mode_for_size, rather than the mode of src itself,
3538 to choose between 32-bit and 64-bit patterns.
3539 (mips_mem_fits_mode_p): New function.
3540 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
3541 that the size of the source matches the size of the destination.
3542 (mov_<store>l, mov_<store>r): Likewise.
3544 2006-09-10 Eric Christopher <echristo@apple.com>
3546 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
3549 2006-09-09 Eric Christopher <echristo@apple.com>
3552 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
3555 2006-09-09 Roger Sayle <roger@eyesopen.com>
3556 Nicolas Setton <setton@adacore.com>
3558 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
3560 2006-09-10 Andreas Schwab <schwab@suse.de>
3562 * config/m68k/m68k.md (bungt_rev): New pattern.
3564 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
3565 Dale Johannesen <dalej@apple.com>
3568 * regclass.c (struct reg_pref): Update documentation.
3569 (regclass): Set prefclass to NO_REGS if memory is the best option.
3570 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3572 2006-09-08 Eric Christopher <echristo@apple.com>
3574 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
3575 * config/t-slibgcc-darwin: Support x86_64 multilib.
3576 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
3577 Return 1 for x86_64-darwin.
3578 * config/i386/t-darwin: Add m64 multilib.
3579 (LIB2_SIDITI_CONV_FUNCS): Use.
3580 (LIB2FUNCS_EXTRA): Ditto.
3581 * config/i386/darwin.h: Support x86_64.
3582 * config/i386/i386.c (override_options): Turn on flag_pic
3583 for x86_64-darwin. Disable flag_omit_pointer.
3584 (get_pc_thunk_name): Assert !TARGET_64BIT.
3585 (legitimate_address_p): Disable machopic addressing for
3587 (legitimize_pic_address): Ditto.
3588 (ix86_expand_move): Ditto.
3589 (ix86_expand_call): Ditto.
3590 (machopic_output_stub): Ditto.
3591 * config/darwin.c (machopic_select_section): Support literal16.
3592 (machopic_select_rtx_section): Ditto.
3593 * config/darwin-sections.def: Ditto.
3594 * config/darwin-64.c: New.
3596 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
3599 * c-tree.h (struct c_arg_info): Add pending_sizes.
3600 * c-parser.c (c_parser_parms_declarator,
3601 c_parser_parms_list_declarator): Initialize pending_sizes.
3602 * c-decl.c (get_parm_info): Initialize pending_sizes.
3603 (get_parm_info): Set pending_sizes.
3604 (grokdeclarator): Call put_pending_sizes for parameters for
3605 function definition only.
3607 2006-09-07 Jason Merrill <jason@redhat.com>
3610 * varasm.c (output_constant): Only strip actual no-op conversions.
3613 * config/i386/i386.c (override_options): Use 128-bit
3614 stack boundary if -msse.
3616 2006-09-07 Eric Christopher <echristo@apple.com>
3618 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
3620 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
3623 2006-09-07 Geoffrey Keating <geoffk@apple.com>
3625 * dwarf2out.c: Remove strange characters from comment above
3626 dwarf2out_frame_debug_expr.
3628 2006-09-07 Eric Christopher <echristo@apple.com>
3630 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
3631 * config/darwin.h: ... to here.
3633 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
3635 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
3637 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
3638 (TARGET_PARTIAL_FLAG_REG_STALL): New.
3640 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3641 TARGET_PARTIAL_FLAG_REG_STALL.
3642 (*ashldi3_cconly_rex64): Likewise.
3643 (*ashlsi3_cmp): Likewise.
3644 (*ashlsi3_cconly): Likewise.
3645 (*ashlsi3_cmp_zext): Likewise.
3646 (*ashlhi3_cmp): Likewise.
3647 (*ashlhi3_cconly): Likewise.
3648 (*ashlqi3_cmp): Likewise.
3649 (*ashlqi3_cconly): Likewise.
3650 (*ashrdi3_cmp_rex64): Likewise.
3651 (*ashrdi3_cconly_rex64): Likewise.
3652 (*ashrsi3_cmp): Likewise.
3653 (*ashrsi3_cconly): Likewise.
3654 (*ashrsi3_cmp_zext): Likewise.
3655 (*ashrhi3_cmp): Likewise.
3656 (*ashrhi3_cconly): Likewise.
3657 (*ashrqi3_cmp): Likewise.
3658 (*ashrqi3_cconly): Likewise.
3659 (*lshrdi3_cmp_rex64): Likewise.
3660 (*lshrdi3_cconly_rex64): Likewise.
3661 (*lshrsi3_cmp): Likewise.
3662 (*lshrsi3_cconly): Likewise.
3663 (*lshrsi3_cmp_zext): Likewise.
3664 (*lshrhi3_cmp): Likewise.
3665 (*lshrhi3_cconly): Likewise.
3666 (*lshrqi2_cmp): Likewise.
3667 (*lshrqi2_cconly): Likewise.
3669 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3672 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3673 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3674 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3675 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3676 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3677 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3678 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3679 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3680 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3681 implement only CC setting effects of shift instructions.
3683 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
3685 * doc/contrib.texi: Add myself.
3687 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
3690 * stor-layout.c (relayout_decl): Don't zero the alignment if it
3691 was set by the user.
3693 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
3696 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3697 (divsi_inv_m1): Use them.
3698 (UNSPEC_DIV_INV_TABLE): New constant.
3700 2006-09-06 James E Wilson <wilson@specifix.com>
3703 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3704 then call count_or_remove_death_notes.
3706 2006-09-06 Jason Merrill <jason@redhat.com>
3709 * tree-inline.c (copy_result_decl_to_var): New fn.
3710 (declare_return_variable): Use it. Call declare_inline_vars here.
3711 (expand_call_inline): Not here.
3713 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3715 * doc/contrib.texi: Update my entry.
3717 2006-09-06 Nick Clifton <nickc@redhat.com>
3719 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3721 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3724 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3725 (canonicalize_induction_variables): Likewise.
3726 (tree_unroll_loops_completely): Likewise.
3727 (tree_ssa_prefetch_arrays): Likewise.
3728 (remove_empty_loops): Likewise.
3729 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3730 TODO_cleanup_cfg instead of directly calling
3731 cleanup_tree_cfg_loop.
3732 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3734 (tree_unroll_loops_completely): Likewise.
3735 (remove_empty_loops): Likewise.
3736 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3737 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3738 of tree_ssa_unswitch_loops.
3739 (tree_ssa_loop_ivcanon): Use the return value of
3740 canonicalize_induction_variables.
3741 (tree_ssa_empty_loop): Use the return value of
3743 (tree_complete_unroll): Use the return value of
3744 tree_unroll_loops_completely.
3745 (tree_ssa_loop_prefetch): Use the return value of
3746 tree_ssa_prefetch_arrays.
3747 * passes.c (execute_todo): Before Cleanup CFG, set
3748 updating_used_alone and after cleanup CFG, call
3749 recalculate_used_alone.
3751 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3754 * tree-vect-transform.c (vectorizable_condition): Move the check
3755 for the type after the check for simple condition.
3757 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3758 Kaz Kojima <kkojima@gcc.gnu.org>
3761 * mode-switching.c (optimize_mode_switching): Make the destination
3762 block of an abnormal edge have no anticipatable mode. Don't
3763 insert mode switching code at the end of the source block of
3766 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3768 PR rtl-optimization/26847
3769 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3770 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3771 (simplify_plus_minus): Count n_constants while filling ops. Replace
3772 qsort with insertion sort. Before going through the array to simplify
3773 pairs, sort it. Delay early exit until after the first sort, exiting
3774 only if no swaps occurred. Simplify pairs in reversed order, without
3775 special-casing the first iteration. Pack ops after simplifying pairs.
3777 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3779 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3780 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3781 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3782 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3784 2006-09-05 Richard Guenther <rguenther@suse.de>
3786 PR tree-optimization/28900
3787 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3788 compound conditional before creating COND_EXPR condition.
3790 2006-09-05 Richard Guenther <rguenther@suse.de>
3792 PR tree-optimization/28905
3793 * tree-vrp.c (fix_equivalence_set): Manually implement
3794 !value_ranges_intersect_p to also handle symbolic ranges.
3796 2006-09-05 Richard Guenther <rguenther@suse.de>
3799 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3802 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3804 PR rtl-optimization/27616
3805 * cse.c (table_size): New static variable.
3806 (new_basic_block): Initialize it to 0.
3807 (remove_from_table): Decrement it.
3808 (insert): Increment it.
3809 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3810 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3811 fold_rtx_mem_1 if under the cap.
3812 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3813 the lookup of the equivalent expression and test for equality of the
3814 first operand of the equivalent expression before in turn looking up
3815 an equivalent constant for the second operand.
3817 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3820 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3821 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3822 pointer, instead of assuming it is possible to derive the
3823 correct args size from a call insn.
3825 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3828 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3829 (fold_builtin_mempcpy): Rename to...
3830 (fold_builtin_memory_op): ... this. Optimize one element copy
3832 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3834 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3835 (expand_builtin_memcpy, expand_builtin_mempcpy,
3836 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3837 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3838 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3839 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3841 2006-09-01 DJ Delorie <dj@redhat.com>
3843 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3844 (stzx_16): Likewise.
3845 ("stzx_24_<mode>"): Likewise.
3846 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3847 ("cmp<mode>_op"): New.
3848 (cmp<mode>): Change to expander; just save operands.
3850 (b<code>): Change to expander, emit compare here.
3851 (s<code>_op): Change to use split and expander.
3852 (s<code>_24_op): Likewise.
3853 (s<code>_<mode>): New.
3854 (s<code>_<mode>_24): New.
3855 (movqicc_<code>_<mode): New.
3856 (movhicc_<code>_<mode>): New.
3859 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3860 (m32c_pend_compare): New.
3861 (m32c_unpend_compare): New.
3862 (m32c_expand_scc): New.
3863 (m32c_expand_movcc): Emit the compare also.
3864 * config/m32c/predicates.md (mra_nopp_operand): New.
3866 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3867 Richard Guenther <rguenther@suse.de>
3868 Adam Nemet <anemet@caviumnetworks.com>
3871 * builtins.c (get_pointer_alignment): Handle more forms
3872 of base addresses that can be used to derive more precise
3873 information about alignment.
3875 2006-09-01 Jason Merrill <jason@redhat.com>
3878 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3881 * gimplify.c (voidify_wrapper_expr): Handle null type.
3883 2006-09-01 Josh Conner <jconner@apple.com>
3886 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3887 (execute_return_slot_opt): Use it.
3889 2006-08-31 Josh Conner <jconner@apple.com>
3892 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3893 returning aggregates.
3895 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3897 PR tree-optimization/28839
3898 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3899 blocks in that phi arguments appear.
3901 2006-08-31 Roger Sayle <roger@eyesopen.com>
3904 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3905 NULL, otherwise use an advance_loc4 to adjust relative to the
3907 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3908 (dwarf2out_switch_text_section): Reset the current label to avoid
3909 using advance_loc4 over section boundaries.
3911 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3914 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3915 r12 + SYMBOLIC_CONST.
3917 2006-08-30 Richard Guenther <rguenther@suse.de>
3919 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3921 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3923 PR rtl-optimization/27735
3924 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3925 Add new argument to keep track of whether an irreducible region
3926 was affected. All callers changed.
3927 (fix_irreducible_loops): Removed.
3928 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3929 flags were invalidated.
3931 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3933 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3934 instead of SF operands.
3935 (*fop_df_comm_sse): Likewise.
3936 (*fop_df_comm_i387): Likewise.
3937 (*fop_df_1_mixed): Likewise.
3938 (*fop_df_1_sse): Likewise.
3940 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3941 J"orn Rennecke <joern.rennecke@st.com>
3943 PR tree-optimization/17506
3944 * tree-ssa.c (warn_uninit): If warning about a location outside of
3945 the current function, note where the variable was declared.
3947 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3949 PR tree-optimization/28411
3950 * double-int.c (double_int_div): Use double_int_divmod.
3951 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3952 double_int_mod, double_int_smod, double_int_umod): New functions.
3953 * double-int.h (double_int_divmod, double_int_sdivmod,
3954 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3956 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3958 (get_computation_aff, get_computation_cost_at): Handle double_int
3959 return type of constant_multiple_of.
3961 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3964 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3965 an implicit conversion.
3967 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3969 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3971 2006-08-27 Roger Sayle <roger@eyesopen.com>
3973 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3976 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3978 * config/i386/crtfastmath.c: Fix a comment typo.
3980 2006-08-26 Roger Sayle <roger@eyesopen.com>
3982 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3983 temporary visit flags on CASE_LABEL_EXPRs.
3984 * c-common.c (match_case_to_enum): Add function comment. Avoid
3985 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3986 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3987 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3988 a constant, only warn if that constant value isn't handled.
3990 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3993 * input.h (restore_input_file_stack): Declare.
3994 (INPUT_FILE_STACK_BITS): Define.
3995 * toplev.c (fs_p, input_file_stack_history,
3996 input_file_stack_restored, restore_input_file_stack): New.
3997 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3998 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3999 (pop_srcloc): Don't free old state of stack.
4001 2006-08-26 David Edelsohn <edelsohn@gnu.org>
4004 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
4005 (PowerPC Type Attributes): New.
4007 2006-08-26 Bob Wilson <bob.wilson@acm.org>
4009 * config/xtensa/xtensa.c (function_arg_boundary): New.
4010 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
4012 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
4013 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
4015 2006-08-26 Jakub Jelinek <jakub@redhat.com>
4018 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
4021 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4023 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
4024 (verify_local_live_at_start): Likewise.
4026 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4029 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
4030 omp_add_variable): Treat sizes as variable whenever not
4033 2006-08-26 Richard Guenther <rguenther@suse.de>
4036 * fold-const.c (fold_binary): Fold temporary to correct
4037 type before constructing new comparison.
4039 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
4042 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
4043 variable again if DECL_SEEN_IN_BIND_EXPR_P.
4045 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4048 * c-decl.c (start_function): Don't try to process prototype
4049 information from old declaration that isn't a function.
4051 2006-08-25 Jan Hubicka <jh@suse.cz>
4054 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
4056 2006-08-25 Alan Modra <amodra@bigpond.net.au>
4059 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
4062 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
4064 PR tree-optimization/16876
4065 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
4066 exit if PARM doesn't match VALUE.
4068 2006-08-25 Bob Wilson <bob.wilson@acm.org>
4070 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
4071 literal_prefix directive.
4072 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
4073 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4074 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4076 2006-08-25 David Edelsohn <edelsohn@gnu.org>
4079 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
4080 predicate to general_operand. Add 0->y and I->r alternatives.
4082 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
4084 * doc/tm.texi: Fix a typo.
4085 * predict.c: Fix comment typos.
4087 2006-08-25 Nick Clifton <nickc@redhat.com>
4089 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
4090 assertions of "cpu" and "machine".
4092 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
4095 * tree-ssa-operands.c (access_can_touch_variable): Don't say
4096 the access through a base which has an alias set of 0 cannot
4099 2006-08-24 Bill Wendling <wendling@apple.com>
4101 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
4103 2006-08-24 Jan Hubicka <jh@suse.cz>
4105 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
4107 2006-08-24 Jan Hubicka <jh@suse.cz>
4110 * cgraph.c: Fix comments.
4111 (cgraph_varpool_mark_needed_node): Mark only variables not already
4113 * cgraphunit.c: Update comments; include gt-cgraphunit.h
4114 (cgraph_varpool_assembled_nodes_queue): New static variable.
4115 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
4116 (cgraph_varpool_output_debug_info): New function.
4117 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
4118 * Makefile.in: Add gt-cgraphunit.h
4120 2006-08-24 Jan Hubicka <jh@suse.cz>
4122 * predict.c (probability_reliable_p): New predicate.
4123 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
4124 (predict_loops): Do not predict loop exit with less than 2%
4126 * basic-block.h (edge_probability_reliable_p,
4127 br_prob_note_reliable_p): Declare.
4128 * ia64.h (ia64_print_operand): Do not disable on-chip branch
4129 prediction when static predictor is not reliable.
4130 * rs6000.c (output_cbranch): Likewise.
4132 2006-08-23 Stuart Hastings <stuart@apple.com>
4135 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
4136 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
4138 2006-08-21 Geoffrey Keating <geoffk@apple.com>
4141 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
4142 complex values, nor for generic vector values.
4144 2006-08-22 Richard Guenther <rguenther@suse.de>
4147 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
4148 parameter. Convert arguments to arithmetic expression to the
4150 (analyze_scalar_evolution_1): Adjust caller.
4152 2006-08-22 Jan Hubicka <jh@suse.cz>
4154 Patch by Paolo Bonzini
4155 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
4158 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
4160 PR tree-optimization/28003
4161 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
4162 before grouping aliases.
4164 2006-08-22 Roger Sayle <roger@eyesopen.com>
4166 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
4167 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
4169 2006-08-21 Jason Merrill <jason@redhat.com>
4172 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
4173 wrapper. Loop to handle nested wrappers.
4174 (gimplify_bind_expr): Remove temp parameter.
4175 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
4176 and STATEMENT_LIST on the rhs.
4177 (gimplify_statement_list): Voidify the STATEMENT_LIST.
4178 (gimplify_expr): Pass pre_p to gimplify_statement_list.
4179 (gimplify_target_expr): Remove special BIND_EXPR handling.
4181 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
4183 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
4186 2006-08-21 Olivier Hainque <hainque@adacore.com>
4188 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
4189 Arrange for the temporary captures of components overlapping the lhs
4190 to happen before the lhs is possibly cleared.
4192 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
4194 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
4195 necessary places to pass the correct "number of registers" values
4198 2006-08-20 Jan Hubicka <jh@suse.cz>
4200 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
4201 (create_name_tags): Instead of quadratic checking use hashtable.
4202 * bitmap.h: Include hashtab.h.
4203 (bitmap_hash): Declare.
4204 * bitmap.c (bitmap_hash): New function.
4206 2006-08-20 Jan Hubicka <jh@suse.cz>
4208 PR rtl-optimization/28071
4209 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
4211 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
4212 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
4213 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
4214 cgraph_decide_inlining_incrementally): Update use of
4215 cgraph_check_inline_limits.
4216 * cgraph.c (edge_hash, edge_eq): New function.
4217 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
4218 cgraph_edge_remove_caller, cgraph_node_remove_callees,
4219 cgraph_remove_node): Maintain call site hash.
4220 * cgraph.h (struct cgraph_node): Add call_site_hash.
4221 (cgraph_set_call_stmt): New function.
4223 2006-08-20 Jan Hubicka <jh@suse.cz>
4225 PR rtl-optimization/28071
4226 * reload1.c (reg_has_output_reload): Turn into regset.
4227 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
4228 choose_reload_regs, emit_reload_insns): Update to new
4229 reg_has_output_reload.
4231 2006-08-20 Jan Hubicka <jh@suse.cz>
4234 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
4235 function body sizes.
4236 * cgraphunit.c (cgraph_analyze_function): Don't do so.
4238 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
4241 * tree.c (handle_dll_attribute): Return early if not a
4242 var or function decl.
4244 2006-08-18 Joseph Myers <joseph@codesourcery.com>
4247 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
4248 alignment of SPE vector types.
4250 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
4252 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
4254 2006-08-17 Jakub Jelinek <jakub@redhat.com>
4257 * cgraph.h (struct cgraph_node): Remove externally_visible
4259 * cgraphunit.c (process_function_and_variable_attributes): Set
4260 local.externally_visible rather than externally_visible.
4263 * c-common.c (handle_externally_visible_attribute): First look
4264 at TREE_CODE and only if it is function or var decl, check for
4265 non-public objects. Don't warn for DECL_EXTERNAL.
4266 * cgraphunit.c (process_function_and_variable_attributes): Warn
4267 if externally_visible attribute is used on non-public object.
4269 2006-08-17 Jan Hubicka <jh@suse.cz>
4271 PR tree-optimization/27865
4272 * reload1.c (forget_marked_reloads): New function.
4273 (forget_old_reloads_1): When data are passed, just mark the registers
4275 (reload_as_needed): Use the new mechanizm.
4277 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
4280 * reload.h (reg_equiv_alt_mem_list): New declaration.
4281 * reload1.c (reg_equiv_alt_mem_list): New definition.
4282 (reload): Initialize it and release it.
4283 (delete_output_reload): Use it.
4284 * reload.c (push_reg_equiv_alt_mem): New function.
4285 (find_reloads_toplev): Call it.
4286 (find_reloads_address, find_reloads_address_1): Likewise.
4287 (find_reloads_subreg_address): Likewise.
4289 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4291 PR rtl-optimization/28489
4292 * sched-ebb.c (begin_schedule_ready): Create basic block
4294 (advance_target_bb): Skip empty blocks.
4295 * haifa-sched.c (bb_note): Make global.
4296 * sched-int.h (bb_note): Add prototype.
4298 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4300 PR tree-optimization/27865
4301 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
4303 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
4304 fold_used_pointer, pointer_used_p): New functions.
4305 (analyze_scalar_evolution_1): Use fold_used_pointer.
4306 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
4307 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
4310 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
4313 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
4314 or the INTEGER_CST. Fail on a CALL_EXPR.
4315 (fold_offsetof): Pass new argument to fold_offsetof_1.
4316 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
4317 operand into an INDIRECT_REF.
4318 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
4320 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4322 PR gcov/profile/26570
4323 * value-prof.c (static_values): Removed.
4324 (tree_find_values_to_profile): Do not set static_values.
4325 (find_values_to_profile): Do not free static_values.
4326 * profile.c (instrument_values): Do not free the values.
4327 (branch_prob): Free the values.
4329 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
4331 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
4333 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4336 * c-typeck.c (build_component_ref): Combine qualifiers of
4337 structure or union and field.
4339 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4341 PR rtl-optimization/28071
4342 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
4343 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
4344 * tree-into-ssa.c (struct dom_dfsnum): New.
4345 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
4347 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
4348 compute_global_livein.
4349 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
4350 in phi nodes in the correct blocks.
4352 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4354 PR tree-optimization/28364
4355 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
4357 (fold_affine_expr): New function.
4358 (may_eliminate_iv): Use fold_affine_expr.
4360 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4363 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
4366 2006-08-16 Mike Stump <mrs@apple.com>
4368 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
4369 * doc/cppopts.texi (-MD): Likewise.
4371 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
4374 * c-common.c (handle_weak_attribute): Ignore and warn if
4375 not a FUNCTION_ or VAR_DECL.
4377 2006-07-15 Mike Stump <mrs@apple.com>
4380 * c-parser.c (c_parser_typeof_specifier): Don't use
4381 c_finish_expr_stmt, open code desired semantics instead.
4383 2006-08-15 Nick Clifton <nickc@redhat.com>
4385 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
4386 fragment to tmake_file only if threads are enabled.
4387 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
4388 * config/i386/t-gthr-win32: New file. ... here.
4390 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4393 * c-parser.c (c_parser_compound_statement_nostart): Reset
4394 parser->error after each statement.
4396 2006-08-15 Jakub Jelinek <jakub@redhat.com>
4399 * omp-low.c (lower_omp_parallel): Convert t to
4400 receiver_decl's type.
4401 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
4402 source before comparison.
4405 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
4406 to itype in assignment to oldival2.
4408 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
4412 * c-typeck.c (build_compound_expr): If the second expression
4413 is an error mark, then just return an error mark instead of
4414 creating a COMPOUND_EXPR.
4416 2006-07-14 Mike Stump <mrs@apple.com>
4418 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
4420 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
4422 * c-decl.c, var-tracking.c: Fix comment typos.
4424 2006-08-14 Richard Sandiford <richard@codesourcery.com>
4426 PR rtl-optimization/28634
4427 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
4428 for floating-point modes unless flag_unsafe_math_optimizations.
4430 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
4431 Andrew Pinski <pinskia@physics.uc.edu>
4434 * tree.c (build_array_type): Unify array types with
4435 unspecified index_type.
4436 * c-decl.c (grokdeclarator): Make sure we do not modify a
4437 unified incomplete array type.
4438 * c-typeck.c (store_init_value): Create distinct type before
4439 filling in the index type in an initializer from a compound
4442 * c-decl.c (grokdeclarator): Remove code where we copy the
4445 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
4447 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
4448 into account for TODO_dump_cgraph.
4449 (TODO_update_ssa_no_phi): Likewise.
4450 (TODO_update_ssa_full_phi): Likewise.
4451 (TODO_update_ssa_only_virtuals): Likewise.
4452 (TODO_remove_unused_locals): Likewise.
4453 (TODO_set_props): Likewise.
4454 (TODO_update_stmt_usage): Likewise.
4456 2006-08-13 Dirk Mueller <dmueller@suse.de>
4458 * c-common.c (strict_aliasing_warning): Fix formatting.
4460 2006-08-13 Matthias Klose <doko@debian.org>
4462 * doc/invoke.texi: Fix spelling errors.
4464 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4466 PR rtl-optimization/23454
4467 * reorg.c (relax_delay_slots): Update comment.
4469 2006-08-11 Richard Guenther <rguenther@suse.de>
4472 * simplify-rtx.c (simplify_const_relational_operation):
4473 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
4476 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
4478 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
4479 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
4481 2006-08-10 Paul Brook <paul@codesourcery.com>
4483 * final.c (final_scan_insn): Clear current_insn_predicate before
4484 outputting inline asm.
4486 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
4488 PR tree-optimization/26197
4489 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
4490 get_ref_base_and_extent and overlap_subvar to add only relevant
4491 subvars as may-aliases.
4492 (add_may_alias_for_new_tag): New function, factored out of
4494 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
4495 with additional argument.
4496 * tree-flow.h (new_type_alias): Takes additional argument.
4498 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
4500 * gcov.c (no_data_file): New flag.
4501 (read_count_file): Set it if data file not present. Assume counts
4503 (output_lines): Don't name the data file, if there wasn't one.
4505 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
4507 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
4508 (rs6000_generate_compare): Tweak comments.
4509 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
4511 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
4513 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
4514 (var_debug_decl): New function.
4515 (var_reg_set): Follow debug decl link. Add location even if
4516 reg is already known to hold some other variable.
4517 (var_mem_set): Follow debug decl link.
4518 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
4519 decl link. Delete other known locations of the variable part
4521 (var_reg_delete, var_mem_delete): Delete other known locations
4522 of the variable part if requested.
4523 (same_variable_part_p): New function.
4524 (add_stores): Select MO_COPY when appropriate.
4525 (vt_initialize): Handle it.
4526 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
4527 known locations for MO_SET and MO_CLOBBER.
4528 (find_variable_location_part): New function.
4529 (set_variable_part, delete_variable_part): Use it.
4530 (clobber_variable_part): New function.
4531 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
4534 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
4536 PR tree-optimization/26969
4537 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
4538 with an empty list of PHIs.
4540 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
4544 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
4547 2006-08-06 Andreas Schwab <schwab@suse.de>
4549 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
4550 string. Whitespace and comment fixup.
4552 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4555 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
4559 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
4562 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
4564 2006-08-04 Jan Hubicka <jh@suse.cz>
4568 * reload.c (push_reload): Patch out the mismatching instruction;
4570 (find_reload): Bail out if the instruction was patched out.
4572 2006-08-04 Jan Hubicka <jh@suse.cz>
4574 PR tree-optimization/24888
4575 * tree-inline.c (expand_call_inline): Do not re-record variables.
4576 (declare_inline_vars): Add variable to unexpanded_var_list.
4578 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4579 Roger Sayle <roger@eyesopen.com>
4581 PR rtl-optimization/26244
4582 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
4583 inner_const are negative or greater than or equal to the bitsize of
4584 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
4585 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
4586 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
4587 CONST0_RTX (mode) when the new shift count is greater than or equal to
4588 to the bitsize of the object being shifted and XEXP (y, 0) has no side
4591 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
4593 * tree-cfg.c: Fix a comment typo.
4595 2006-08-03 Mark Mitchell <mark@codesourcery.com>
4598 * varasm.c (output_constant): Give the front end another chance to
4599 expand constants, after stripping NOPs.
4601 2006-08-03 Jan Hubicka <jh@suse.cz>
4603 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
4606 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
4608 PR tree-optimization/27770
4609 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
4610 declaration removed (moved to tree-flow.h).
4611 (vect_can_force_dr_alignment_p): Likewise.
4612 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
4613 (moved from tree-vectorizer.h).
4614 (vect_can_force_dr_alignment_p): Likewise.
4615 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
4616 from outside the vectorizer - in particular from cgraph stage.
4617 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
4618 the alignment of global arrays when -fsection-anchors is enabled.
4619 * cgraphunit.c (cgraph_increase_alignment): New function.
4620 (cgraph_optimize): Call cgraph_increase_alignment.
4622 2006-08-03 David Edelsohn <edelsohn@gnu.org>
4625 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
4626 not reload a SPE symbol_ref into a lo_sum address.
4628 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
4631 * dwarf2out.c (prune_unused_types_prune): Move call to
4632 prune_unused_types_update_strings to cover the parent DIE also.
4634 2006-08-02 Jan Hubicka <jh@suse.cz>
4636 PR gcov/profile/28480
4637 * tree-cfg.c (change_bb_for_stmt): New function.
4638 (tree_merge_blocks, tree_split_blocks): Use it.
4640 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4646 * toplev.c (compile_file): Return early on errorcount or sorrycount.
4647 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4648 (cgraph_optimize): Likewise.
4650 2006-08-01 Stuart Hastings <stuart@apple.com>
4652 * rtl.h (UINTVAL) New.
4653 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4654 * testsuite/gcc.dg/20060801-1.c: New.
4656 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4659 * c-typeck.c (build_external_type): Mark used enum types.
4660 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4662 (gen_subprogram_die): Whitespace fix.
4664 2006-08-01 Jan Hubicka <jh@suse.cz>
4666 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4667 bitmap when not needed.
4668 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4671 2006-08-01 Dirk Mueller <dmueller@suse.de>
4673 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4675 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4677 * Makefile.in: Revert part of previous patch:
4678 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4681 2006-07-30 Eric Christopher <echristo@apple.com>
4684 * doc/extend.texi (i386 Variable Attributes): Add anchor.
4685 (PowerPC Variable Attributes): New section.
4687 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
4689 PR target/28126 (partial fix)
4690 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4692 2006-07-28 Jan Hubicka <jh@suse.cz>
4694 PR rtl-optimization/28071
4695 * cfgrtl.c (rtl_delete_block): Free regsets.
4696 * flow.c (allocate_bb_life_data): Re-use regsets if available.
4698 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4700 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4701 and variables used in dependencies.
4703 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4705 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4706 %fs for -mcmodel=kernel.
4707 (stack_tls_protect_test_di): Likewise.
4709 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4711 * Makefile.in: Use mkinstalldirs.
4713 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4716 * opts-common.c (prune_options): Skip joined switches.
4718 2006-07-27 Jan Hubicka <jh@suse.cz>
4720 PR rtl-optimization/28071
4721 * cselib.c (cselib_process_insn): Don't remove useless values too
4722 often for very large hashtables.
4724 2006-07-27 Jan Hubicka <jh@suse.cz>
4726 PR rtl-optimization/28071
4727 * global.c (greg_obstack): New obstack.
4728 (allocate_bb_info): Use it.
4729 (free_bb_info): Likewise.
4730 (modify_reg_pav): Likewise.
4732 2006-07-27 Roger Sayle <roger@eyesopen.com>
4734 * builtins.c (fold_fixed_mathfn): When long and long long are the
4735 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4736 functions to their lceil*, lfloor*, lround* and lrint* forms.
4738 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4741 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4743 (rev_branch_insn): Likewise.
4745 2006-07-27 Jan Hubicka <jh@suse.cz>
4747 PR rtl-optimization/28071
4748 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4749 (reg_set_in_bb, max_reg_computed): New static variables.
4750 (regmove_optimize): Free the new array.
4751 (fixup_match_1): Update call of reg_is_remote_constant_p.
4753 2006-07-26 Jan Hubicka <jh@suse.cz>
4755 PR tree-optimization/27882
4756 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4758 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4760 (cgraph_analyze_compilation_unit): Likewise.
4761 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4762 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4763 (cgraph_early_inlinine): Make order garbage collected.
4764 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4766 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4768 * dbxout.c (output_types_sort): Add a comment.
4769 (output_used_types): Free the VEC.
4771 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4773 * function.c (reorder_fix_fragments): Delete.
4774 (reorder_blocks): Don't call it.
4775 (reorder_blocks_1): Put all subblocks under the origin block.
4777 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4779 PR rtl-optimization/27907
4780 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4783 2006-07-25 Roger Sayle <roger@eyesopen.com>
4786 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4787 bar(x) check that bar's result type can represent all the values of T.
4789 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4791 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4793 2006-07-25 Nick Clifton <nickc@redhat.com>
4795 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4796 size_lookup[] array.
4797 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4798 (ggc_pch_count_object): Likewise.
4799 (ggc_pch_alloc_object): Likewise.
4800 (ggc_pch_write_object): Likewise.
4801 (init_ggc): Do not attempt to initialize entries in the
4802 size_lookup[] array for objects whose size is greater than than
4803 the length of the array.
4805 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4807 * dbxout.c (output_used_types_helper): Push queued types
4809 (output_types_sort): New.
4810 (output_used_types): Collect used types on a VEC and sort them
4813 2006-07-24 Richard Guenther <rguenther@suse.de>
4816 * cgraph.c (cgraph_remove_node): Do not check if dumps
4818 * cgraphunit.c (cgraph_optimize): Likewise.
4820 2006-07-24 Jan Hubicka <jh@suse.cz>
4822 PR rtl-optimization/28071
4823 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4824 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4825 splitting before first stmt.
4827 2006-07-24 Jan Hubicka <jh@suse.cz>
4829 PR rtl-optimization/28071
4830 * ipa-inline.c (update_caller_keys): Remove edges that
4831 are no longer inline candidates.
4833 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4836 * dbxout.c (output_used_types_helper, output_used_types): New.
4837 (dbxout_symbol): Call output_used_types.
4839 2006-07-23 Jan Hubicka <jh@suse.cz>
4843 * cgraph.c (cgraph_varpool_nodes): Export.
4844 (decide_is_variable_needed): Ignored "used" attribute in
4845 unit-at-a-time mode.
4846 * cgraph.h (cgraph_varpool_nodes): Declare.
4847 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4848 unit-at-a-time mode.
4850 2006-07-23 Roger Sayle <roger@eyesopen.com>
4853 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4854 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4855 the __gthrw form of thr_keycreate.
4856 (__gthread_key_delete): Silence the unused argument warning.
4858 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4861 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4862 Cache the last found '\0' marker to avoid quadratic behavior.
4864 2006-07-23 Jan Hubicka <jh@suse.cz>
4866 * i386.md (subsi_3_zext): Fix output template.
4868 2006-07-21 Mike Stump <mrs@apple.com>
4870 * doc/invoke.texi (C++ Dialect Options): Note that
4871 -fvisibility-inlines-hidden doesn't affect explicitly
4872 instantiationed inline methods.
4874 2006-07-20 Roger Sayle <roger@eyesopen.com>
4876 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4877 if the target assembler is GNU binutils' gas.
4878 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4879 whether to pass GNU gas or native as command line options.
4881 2006-07-20 Jason Merrill <jason@redhat.com>
4883 * tree.c (remove_attribute): New fn.
4884 * tree.h: Declare it.
4886 2006-07-20 Paul Brook <paul@codesourcery.com>
4889 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4890 they are invalidated by this instruction.
4892 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4895 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4897 2006-07-20 Eric Christopher <echristo@apple.com>
4900 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4902 2006-07-19 Eric Christopher <echristo@apple.com>
4904 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4905 Rewrite dependencies for libgcc_s.1.dylib.
4907 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4909 * except.c (duplicate_eh_regions_1): Clear next_peer.
4911 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4913 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4914 -mlongcall does not guarantee all calls will be long.
4915 * doc/extend.texi (long_call/short_call): Document that longcall
4916 does not guarantee a long call will be used.
4917 (longcall/shortcall): Likewise.
4919 2006-07-18 Roger Sayle <roger@eyesopen.com>
4922 * expmed.c (expand_shift): Additionally check that the shift_cost
4923 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4924 before implementing a LSHIFT_EXPR as a sequence of additions.
4925 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4926 middle-end that DImode shifts need to be synthesized by expand.
4928 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4931 * tree-ssa-operands.c (access_can_touch_variable): Update
4933 Return true if ALIAS is .GLOBAL_VAR.
4935 2006-07-18 David Daney <ddaney@avtrex.com>
4937 * gcc.c (display_help): Fix typo in help text.
4939 2006-07-18 Olivier Hainque <hainque@adacore.com>
4941 * tree.h (categorize_ctor_elements): Adjust prototype and add
4942 descriptive comment, both in accordance with the interface change
4944 * varasm.c (constructor_static_from_elts_p): New function.
4945 Whether a constructor node is a valid static constant initializer
4946 if all its elements are.
4947 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4948 * output.h: Declare it.
4949 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4950 is a valid constant initializer instead of computing the number of
4951 non-constant elements. Use constructor_static_from_elts_p for this
4952 purpose. Replace the head comment with an indication that this is a
4953 helper for categorize_ctor_elements.
4954 (categorize_ctor_elements): Same interface change as for the _1
4955 helper. Former head comment from this helper moved here, adjusted to
4956 account for the interface changes.
4957 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4958 (all_zeros_p): Likewise.
4959 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4960 static versions of the constructor from the categorize_ctor_elements
4961 return value instead of the formerly computed number of non-constant
4964 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4966 * configure: Regenerate.
4967 * Makefile.in (build_libsubdir): New configure substitution
4968 (build_libobjdir): New variable.
4969 (BUILD_LIBIBERTY): Use it.
4971 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4974 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4976 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4979 * c-common.c (handle_weakref_attribute): Ignore attribute in
4980 the same conditions the alias attribute is ignored.
4982 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4984 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4985 (dbxout_begin_prologue): Increment scope_labelno.
4987 2006-07-17 Richard Henderson <rth@redhat.com>
4990 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4993 2006-07-17 Roger Sayle <roger@eyesopen.com>
4994 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4996 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4997 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4998 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4999 functions such as sbrk, write, etc.. Add function prototypes.
5000 Convert function declarations from K&R to ISO C. Cast pointers
5001 to "long" and "unsigned long" instead of "int" and "unsigned int".
5002 Convert tokens following #endif into comments.
5004 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
5006 * invoke.texi: Remove mention of f77; Reformat table for
5007 inline parameter options correctly; mention that -malign-double
5008 is default on x86-64 targets.
5010 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
5012 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
5013 (convert_affine_scev, chrec_convert_aggressive): Use
5014 avoid_arithmetics_in_type_p. Do not check for the subtypes
5017 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5020 * optabs.c (expand_doubleword_shift): Wrap the call to
5021 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
5023 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5026 * optabs.c (expand_binop): Pass next_methods rather than methods
5027 to expand_doubleword_shift.
5029 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
5032 * tree.h (dump_addr): Declare.
5033 * print-tree.c (dump_addr): New function.
5034 (print_node_brief, print_node): Use it.
5035 * print-rtl.c (print_rtx): Likewise.
5036 * common.opt (-fdump-noaddr): New option.
5037 * doc/invoke.texi (-fdump-noaddr): Document.
5038 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
5039 (ve_info_hash): Likewise.
5041 2006-07-13 Andrew Haley <aph@redhat.com>
5043 PR tree-optimization/19505
5044 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
5045 edge leaving this block, make sure that the destination of this
5046 block has only one predecessor.
5048 2006-07-17 Richard Guenther <rguenther@suse.de>
5050 PR tree-optimization/28238
5051 * tree-inline.c (copy_bb): Check if we produced valid
5052 gimple copying and substituting a stmt. If not, gimplify
5055 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
5057 * optabs.c (maybe_encapsulate_block): New function extracted from...
5058 (emit_libcall_block): ...here. Invoke it on the block of insns to
5059 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
5060 (emit_no_conflict_block): Likewise.
5062 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5064 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
5066 2006-07-15 Roger Sayle <roger@eyesopen.com>
5068 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
5069 a new NOP_EXPR case of the switch statement.
5071 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
5074 * stor-layout.c (place_field): Take the bit field with
5075 an excessive size into account in the ms-bitfiled case.
5078 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
5079 the previous bit field.
5081 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
5084 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
5086 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5088 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
5089 signal frames correctly even when the signal was installed with
5092 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
5094 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
5095 (dbxout_function_end): Use local label LFBB. Remove hook
5097 (dbxout_source_line): Use local label LFBB.
5098 (dbxout_block): Likewise.
5099 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
5100 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
5101 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
5102 and DBX_OUTPUT_NFUN.
5104 2006-07-13 Janis Johnson <janis187@us.ibm.com>
5106 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
5108 2006-07-13 Jan Hubicka <jh@suse.cz>
5110 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
5112 * output.h (align_variable): Declare.
5113 * varasm.c (align_variable): Export.
5114 * value-prof.c (tree_value_profile_transformations): Recompute iterator
5115 when basic block changed.
5117 2006-07-13 Nick Clifton <nickc@redhat.com>
5119 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
5120 walking the LOG_LINKS chain.
5122 2006-07-12 Geoffrey Keating <geoffk@apple.com>
5124 * doc/invoke.texi (C++ Dialect Options): Explain difference
5125 between -fvisibility-inlines-hidden and setting hidden
5126 visibility explicitly.
5128 2006-07-12 Eric Christopher <echristo@apple.com>
5130 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
5131 (stmp-lipo): Depend on libgcc.a.
5133 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
5135 * tree.c: Fix a comment typo.
5137 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
5139 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5141 (umulhisi3_r): Likewise.
5143 2006-07-12 Paolo Carlini <pcarlini@suse.de>
5146 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
5147 x < 19, vs wchar_t support.
5149 2006-07-12 Nick Clifton <nickc@redhat.com>
5151 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
5152 instead of -isa=sh4.
5154 2006-07-12 Mike Stump <mrs@apple.com>
5156 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
5158 2006-07-10 Eric Christopher <echristo@apple.com>
5160 * config/t-slibgcc-darwin: Rewrite.
5162 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
5165 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
5168 2006-07-08 Matthias Klose <doko@debian.org>
5170 * doc/sourcebuild.texi: Fix typo.
5172 2006-07-07 Mike Stump <mrs@apple.com>
5174 * toplev.c (process_options): Don't give -ffunction-sections may
5175 affect debugging warning for Mach-O.
5177 2006-07-07 James E Wilson <wilson@specifix.com>
5179 * config/mips/mips.md (cpu): Add sb1a.
5180 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
5181 addition to sb1. Adjust comments to clarify SB-1A differences from
5183 (ir_sb1a_load): New. Modify bypasses to use it.
5184 (ir_sb1a_simple_alu): Likewise.
5185 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
5186 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
5187 (mips_issue_rate): Add PROCESSOR_SB1A.
5188 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
5189 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
5190 (TARGET_SB1): Add PROCESSOR_SB1A check.
5191 (TUNE_SB1): Likewise.
5193 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
5194 * config/mips/mips.c (mips_store_data_bypass_p): New.
5195 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
5196 store_data_bypass_p.
5198 2006-07-08 Paul Brook <paul@codesourcery.com>
5201 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
5203 2006-07-07 Richard Guenther <rguenther@suse.de>
5206 * tree.h (build_one_cst): Declare.
5207 * tree.c (build_one_cst): New function.
5208 * tree-ssa-math-opts.c (get_constant_one): Remove.
5209 (insert_reciprocals): Use build_one_cst.
5210 * fold-const.c (fold_plusminus_mult): Likewise.
5212 2006-07-07 Roger Sayle <roger@eyesopen.com>
5214 * pointer-set.c (pointer_set_destroy): Correct whitespace.
5215 * cfgloopanal.c (dump_graph): Likewise.
5216 * dojump.c (discard_pending_stack_adjust): Likewise.
5217 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
5219 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
5220 * function.c (finalize_block_changes): Likewise.
5221 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
5222 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
5223 * rtl.c (dump_rtx_statistics): Likewise.
5224 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
5226 * varray.c (dump_varray_statistics): Likewise.
5227 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
5228 decode_decimal64, encode_decimal128, decode_decimal128,
5229 decimal_real_to_decimal): Likewise.
5231 2006-07-07 Richard Guenther <rguenther@suse.de>
5233 PR tree-optimization/28187
5234 * tree-vrp.c (vrp_operand_equal_p): New function.
5235 (vrp_bitmap_equal_p): Likewise.
5236 (update_value_range): Use them to compare old and new
5239 2006-07-06 Roger Sayle <roger@eyesopen.com>
5241 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
5242 a default case to switch statement to silence compiler warnings.
5244 2006-07-06 Roger Sayle <roger@eyesopen.com>
5247 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
5248 the configured assembler supports the x87's ffreep mnemonic.
5249 * configure: Regenerate.
5250 * config.in: Regenerate.
5252 * config/i386/i386.c (output_387_ffreep): New function.
5253 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
5254 (output_387_reg_move): Likewise.
5256 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
5258 Port to hosts whose 'sort' and 'tail' implementations
5259 treat operands with leading '+' as file names, as POSIX
5260 has required since 2001. However, make sure the code still
5261 works on pre-POSIX hosts.
5262 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
5263 which says you should use "tail -c +N" rather than "tail +Nc".
5264 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
5266 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5268 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
5271 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5274 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5275 PRE_{INC,DEC} of TFmode.
5277 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5278 Alan Modra <amodra@bigpond.net.au>
5281 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
5284 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5287 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
5288 Remove duplicate gtu.
5290 2006-07-05 Jason Merrill <jason@redhat.com>
5294 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
5295 * c-common.c (handle_packed_attribute): So don't copy it here.
5296 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
5298 2006-07-05 Mike Stump <mrs@apple.com>
5300 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
5302 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
5305 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
5307 2006-07-05 Richard Guenther <rguenther@suse.de>
5310 * config/i386/i386.md (*negdf2_1): Restrict pattern to
5311 TARGET_SSE2 targets if using SSE math.
5312 (*absdf2_1): Likewise.
5314 2006-07-05 Richard Guenther <rguenther@suse.de>
5316 PR tree-optimization/28162
5317 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
5318 make sure to convert the operands to the correct type.
5320 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
5322 PR tree-optimization/28218
5324 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
5325 to calculate and free the dominator information.
5327 2006-07-04 Peter O'Gorman <peter@pogma.com>
5329 * mklibgcc.in: chmod 644 before ranlib during install.
5331 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5332 J"orn Rennecke <joern.rennecke@st.com>
5334 * configure.ac (.eh_frame data check): Use diff -b.
5336 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5339 * Makefile.in (BUILD_RTL): Add build/vec.o.
5340 (build/gencondmd.o): Filter out -fkeep-inline-functions.
5341 (build/genextract): Delete.
5342 (build/genautomata): Likewise.
5344 2006-07-04 Alan Modra <amodra@bigpond.net.au>
5347 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
5348 128-bit IBM long doubles for ABI_V4.
5350 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
5352 * tree.c (range_in_array_bounds_p): New predicate.
5353 * tree.h (range_in_array_bounds_p): Declare it.
5354 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
5355 return a less conservative answer.
5356 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
5357 and flag 'is_group'.
5358 (IS_ELEMENT_FOR_GROUP): New macro.
5359 (FOR_EACH_ACTUAL_CHILD): Likewise.
5360 (next_child_for_group): New helper function.
5361 (can_completely_scalarize_p): Take into account groups.
5362 (sra_hash_tree): Handle RANGE_EXPR.
5363 (sra_elt_eq): Likewise.
5364 (lookup_element): Be prepared for handling groups.
5365 (is_valid_const_index): Delete.
5366 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
5367 instead of is_valid_const_index.
5368 <ARRAY_RANGE_REF>: New case.
5369 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
5370 is_valid_const_index.
5371 <ARRAY_RANGE_REF>: Do not unconditionally punt.
5372 (scan_dump): Dump info for groups too.
5373 (decide_instantiation_1): Likewise.
5374 (decide_block_copy): Assert that the element is not a group.
5375 Propagate decision to groups.
5376 (generate_one_element_ref): Handle RANGE_EXPR.
5377 (mark_no_warning): Iterate over actual childs.
5378 (generate_copy_inout): Likewise.
5379 (generate_element_copy): Likewise.
5380 (generate_element_zero): Likewise.
5381 (generate_element_init_1): Likewise.
5382 (dump_sra_elt_name): Handle RANGE_EXPR.
5384 2006-07-03 Roger Sayle <roger@eyesopen.com>
5386 PR tree-optimization/26251
5387 * tree-ssa-threadupdate.c (redirection_block_p): New function.
5388 (thread_block): When optimizing for size refuse to thread jumps
5389 that would require duplication of blocks other than redirection
5392 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5394 * configure.ac: Fix thinko in previous check-in.
5395 * configure: Regenerate.
5397 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5400 * configure.ac (for lang...): Simplify nesting of conditionals.
5401 Test subdir_requires for non-enabled languages. Move processing
5402 of lang_opt_files and lang_tree_fiels below that test.
5403 * configure: Regenerate.
5404 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
5406 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
5408 * doc/gcov.texi (Invoking Gcov): Add a missing word.
5410 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
5412 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
5415 2006-06-29 Jason Merrill <jason@redhat.com>
5422 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
5423 * c-common.c (c_determine_visibility): Handle it here.
5424 * c-decl.c (finish_decl): Call c_determine_visibility for
5426 * flags.h (enum symbol_visibility): Sort from most to least visibility.
5428 * varasm.c (default_assemble_visibility): Likewise.
5429 * c-common.c (handle_visibility_attribute): Complain about trying
5430 to give visibility to an already defined class, or trying to change
5431 declared visibility. Always attach the attribute.
5436 * attribs.c (decl_attributes): Ignore type-in-place attributes
5437 once the type has been defined.
5439 2006-06-29 Roger Sayle <roger@eyesopen.com>
5442 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
5443 to indicate the cpplib has issued an error message for us.
5445 2006-06-29 Asher Langton <langton2@llnl.gov>
5448 * config/i386/i386.c (ix86_output_function_epilogue): Don't
5449 insert a label at the end of an function under Mach-O.
5451 2006-06-29 Eric Christopher <echristo@apple.com>
5452 Evan Cheng <evan.cheng@apple.com>
5454 * predicates.md (vector_all_ones_operand): New.
5455 (nonimmediate_or_sse_const_operand): Ditto.
5456 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
5457 * config/i386/i386.c (standard_sse_constant_opcode): Define.
5458 (standard_sse_mode_p): Ditto.
5459 (standard_sse_constant_p): Add case for -1 vector.
5460 (ix86_expand_vector_move): Try to use.
5461 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
5462 Call standard_sse_constant_opcode.
5463 (*movv4sf_internal): Ditto.
5464 (*movv2df_internal): Ditto.
5466 2006-06-29 Roger Sayle <roger@eyesopen.com>
5468 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
5469 of XEXP to extract the operands of a MATCH_CODE rtx.
5471 2006-06-28 Andrew Pinski <pinskia@gmail.com>
5473 * tree.c (tree_size): Do not waste tail padding in
5474 struct tree_string and make the size be the same as
5475 build_string will generate.
5477 2006-06-28 Jason Merrill <jason@redhat.com>
5480 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
5481 may_aliases already in the tag's annotations to the bitmap.
5483 2006-06-28 Roger Sayle <roger@eyesopen.com>
5485 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
5487 2006-06-28 Roger Sayle <roger@eyesopen.com>
5489 * genpreds.c (generate_switch_p): New function.
5490 (add_mode_tests): Push the new mode test down inside an AND expr
5491 if this allows the switch-suitable MATCH_CODE to be near the root.
5492 (write_match_code_switch): New function to write a MATCH_CODE as
5494 (write_predicate_stmts): New function to write a predicate RTX
5495 expression as a sequence of statements.
5496 (write_one_predicate_function): Use write_predicate_stmts.
5497 (write_tm_constrs_h): Likewise.
5499 2006-06-26 Fred Fish <fnf@specifix.com>
5501 * config/mips/t-sb1: New file.
5502 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
5505 2006-06-26 DJ Delorie <dj@redhat.com>
5507 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
5509 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
5510 Jayant Sonar <jayants@kpitcummins.com>
5511 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
5513 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
5514 (subsi3, subsi3_1, subsi3_2): New.
5515 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
5516 * config/m32c/mov.md (SI mov peephole): New.
5517 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
5518 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
5520 2006-06-26 Olivier Hainque <hainque@adacore.com>
5522 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
5523 a CALL_EXPR target function declaration.
5525 2006-06-26 Richard Guenther <rguenther@suse.de>
5527 * tree.c (build_string): Do not waste tail padding in
5530 2006-06-26 Richard Guenther <rguenther@suse.de>
5532 * ggc-page.c (init_ggc): Add missing element to size_lookup
5536 2006-06-23 Richard Guenther <rguenther@suse.de>
5538 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5539 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5540 alignment requests instead. Add verification code.
5541 Add struct tree_function_decl and struct tree_binfo size to
5542 extra_order_size_table. Add missing element to size_lookup
5545 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
5548 * fold-const.c (const_binop): Be prepared for self returning zero.
5549 Simplify code handling complex values.
5551 2006-06-24 Olivier Hainque <hainque@adacore.com>
5553 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
5554 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
5557 2006-06-24 Olivier Hainque <hainque@adacore.com>
5559 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
5560 ARRAY_REF, so have the callback called for the low bound expression.
5562 2006-06-23 Janis Johnson <janis187@us.ibm.com>
5564 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
5565 * c-typeck.c (c_common_type): Disallow operations on decimal float
5566 types and other float types.
5567 * convert.c (convert_to_real): Don't ignore conversions involving
5568 decimal float types.
5570 2006-06-23 Olivier Hainque <hainque@adacore.com>
5572 * tree.c (max_int_size_in_bytes): New function, inspired from
5573 code in function.c:assign_temp.
5574 * tree.h (max_int_size_in_bytes): Declare.
5575 * function.c (assign_temp): Use it.
5576 * gimplify.c (create_tmp_var): Relax the assertions on the type
5577 properties, not mandating constant size any more.
5578 (force_constant_size): New static function.
5579 (gimple_add_tmp_var): Use it, forcing variable size to a
5580 constant upper bound if it is not constant on entry.
5582 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
5585 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
5586 for initialization and setting of one_only flag to ...
5587 (i386_pe_encode_section_info): ...here.
5588 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
5589 Recheck that the symbol has not been defined.
5591 2006-06-23 Richard Guenther <rguenther@suse.de>
5593 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5594 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5595 alignment requests instead. Add verification code.
5596 Add struct tree_function_decl and struct tree_binfo size to
5597 extra_order_size_table. Add missing element to size_lookup
5600 2006-06-22 Roger Sayle <roger@eyesopen.com>
5601 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5604 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
5605 call to lang_hooks.types.type_for_mode returned NULL_TREE.
5607 2006-06-23 Ben Elliston <bje@au.ibm.com>
5609 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
5610 negate dn -- manipulate it directly.
5612 2006-06-22 Roger Sayle <roger@eyesopen.com>
5613 Steven Bosscher <stevenb.gcc@gmail.com>
5616 * reload1.c (gen_reload): Call mark_jump_label on the new insns
5617 generated by gen_move_insn to add REG_LABEL notes if necessary.
5619 2006-06-22 Bob Wilson <bob.wilson@acm.org>
5621 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
5622 (leaf_entry): Remove use of MIN_ESA.
5624 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
5626 PR rtl-optimization/28121
5627 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
5630 2006-06-21 DJ Delorie <dj@redhat.com>
5632 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
5634 (mulhisi3_r): Likewise.
5636 2006-06-21 Richard Sandiford <richard@codesourcery.com>
5639 * coverage.c (coverage_counter_alloc): Leave the index type
5641 (coverage_counter_alloc): Use null arguments for operands 2 and 3
5644 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
5646 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
5647 section from the "Options for Code Generation Conventions".
5649 2006-06-21 Richard Henderson <rth@redhat.com>
5653 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5655 (global_symbolic_operand): Allow weak symbols, even if local_p.
5657 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5659 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5660 (find_interesting_uses_address): Punt if above function returns true.
5662 2006-06-21 Richard Guenther <rguenther@suse.de>
5664 * configure: Regenerated.
5666 2006-06-21 Joseph Myers <joseph@codesourcery.com>
5668 * config/mips/mips.c (function_arg): Where one part of a
5669 complex argument is in registers and the other part in the stack,
5670 return a REG not a PARALLEL.
5672 2006-06-21 Mark Mitchell <mark@codesourcery.com>
5674 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5675 when cross-compiling. Do not substitute libstdcxx_incdir.
5676 * configure: Regenerated.
5678 2006-06-21 Jakub Jelinek <jakub@redhat.com>
5680 * varasm.c (mergeable_string_section): Check for embedded NULs and
5681 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5682 rather than TREE_STRING_LENGTH bytes.
5684 2006-06-21 Richard Guenther <rguenther@suse.de>
5686 * ggc-page.c (extra_order_size_table): Add var_ann_d,
5687 tree_ssa_name, bitmap_element and phi_node with 4 arguments
5690 2006-06-21 Richrad Guenther <rguenther@suse.de>
5692 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5693 Limit iteration over the dominators.
5695 2006-06-20 Roger Sayle <roger@eyesopen.com>
5697 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5698 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5700 2006-06-20 Richard Guenther <rguenther@suse.de>
5701 Michael Matz <matz@suse.de>
5703 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5705 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5706 * et-forest.h (et_free_pools): Prototype new function.
5707 * et-forest.c (et_free_tree_force): Free parent occurrence.
5708 (et_free_pools): New function.
5709 * dominance.c (free_dominance_info): Free et-forest alloc
5712 2006-06-20 Roger Sayle <roger@eyesopen.com>
5714 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5715 integer modes, attempt to directly construct an integer constant.
5717 * fold-const.c (native_encode_vector): Determine the size of each
5718 element from the vector type instead of the first vector element.
5720 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5721 if all of its elements/components are constant.
5722 (build_constructor_from_list): Likewise.
5724 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5726 PR tree-optimization/27331
5727 * tree-data-ref.c (free_data_ref): New function.
5728 (create_data_ref): Fail if the data reference has unknown access
5730 (free_data_refs): Use free_data_ref.
5732 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5735 * tree-inline.c (setup_one_parameter): Strip useless
5736 type conversion before adding it to the IR.
5737 (declare_return_variable): Likewise.
5739 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5742 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5744 2006-06-19 Mike Stump <mrs@apple.com>
5746 * tree.c (variably_modified_type_p): VM arguments don't make the
5749 2006-06-19 Richard Guenther <rguenther@suse.de>
5751 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5752 type conversions after folding.
5754 2006-06-19 Richard Guenther <rguenther@suse.de>
5756 * ggc-page.c (extra_order_size_tab): Add entries with
5757 size of struct function and basic_block.
5758 (size_lookup): Extend to cover sizes up to 511.
5759 (ggc_alloc_stat): Adjust user.
5760 (ggc_pch_count_object): Likewise.
5761 (ggc_pch_alloc_object): Likewise.
5762 (ggc_pch_write_object): Likewise.
5764 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5766 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5767 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5770 2006-06-19 Denis Chertykov <denisc@overta.ru>
5772 * config/avr/libgcc.S : Correct my wrong previous commit.
5774 2006-06-19 Roger Sayle <roger@eyesopen.com>
5777 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5778 have stripped a SUBREG from the shift count, so we may need to
5779 convert_to_mode back to the type's mode before calling make_tree.
5780 Use new_amount instead of amount to avoid expanding a tree twice.
5782 2006-06-19 Richard Guenther <rguenther@suse.de>
5785 * fold-const.c (operand_equal_p): Check if the argument types
5786 have the same precision before stripping NOPs.
5788 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5790 Fix PR tree-optimization/27341
5791 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5793 * tree-complex.c (pass_lower_complex): Update SMT usage.
5795 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5797 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5798 Add a new alternative to the constraint strings. Add move of
5799 operand 1 to 3 to the splitter definition.
5800 ("doloop_si_long"): Second contraint alternative removed.
5802 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5804 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5805 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5807 (AVR_HAVE_MOVW) Define.
5808 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5809 (ASM_SPEC): Add avr25.
5810 (LINK_SPEC): Add avr25.
5811 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5812 (base_arch_s): Add new member 'have_movw_lpmx'.
5813 (avr_arch_types): Init 'have_movw_lpmx'.
5814 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5815 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5816 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5817 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5818 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5820 (avr_file_start): Do not output '.arh' derective.
5821 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5822 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5823 * config/avr/avr.md (mcu_enhanced): Delete.
5824 (mcu_have_movw): Define.
5825 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5826 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5827 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5828 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5829 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5830 attiny861 and at86rf401 devices.
5832 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5834 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5837 2006-06-17 Karl Berry <karl@gnu.org>
5839 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5840 doc/gccint.texi, doc/install.texi (@dircategory): Use
5841 "Software development" instead of "Programming", following
5842 the Free Software Directory.
5844 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5846 * config/i386/i386.c (legitimate_tls_address)
5847 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5848 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5849 (*tls_dynamic_gnu2_combine_64): Likewise.
5851 2006-06-16 Richard Guenther <rguenther@suse.de>
5854 * fold-const.c (negate_expr_p): Do not introduce undefined
5855 overflow in negating INTEGER_CSTs.
5856 (fold_negate_expr): Rename from negate_expr. Revert last
5857 change for folding BIT_NOT_EXPR. Change semantics to
5858 return NULL_TREE for non-simplified negations. Do not
5859 strip type conversions and unify type handling.
5860 (negate_expr): New function, wrap around fold_negate_expr
5861 but ensure building a tree always. Strip type conversions
5862 here, fold to result type.
5863 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5865 2006-06-16 Roger Sayle <roger@eyesopen.com>
5868 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5869 that (would) return their results in stack registers.
5871 2006-06-16 Michael Matz <matz@suse.de>
5872 Richard Guenther <rguenther@suse.de>
5874 * fold-const.c (fold_truthop): Only return new tree node if
5875 we canonicalized something.
5877 2006-06-16 Richard Guenther <rguenther@suse.de>
5879 * function.h (enum function_frequency): Move declaration
5880 out of struct function.
5881 (struct function): Move bool fields and the enum to the bitfield
5882 section. Reorder elements to avoid padding. Remove unused
5883 fields left over from the RTL inliner removal.
5884 * function.c (free_after_compilation): Do not zero removed fields.
5885 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5886 (ipa-type-escape.o): Likewise.
5888 2006-06-16 Richard Guenther <rguenther@suse.de>
5890 * cgraph.h (struct cgraph_local_info): Turn bool elements
5892 (struct cgraph_node): Likewise.
5893 (struct cgraph_varpool_node): Likewise.
5895 2006-06-15 Richard Guenther <rguenther@suse.de>
5897 * fold-const.c (fold_truth_not_expr): Rename from
5898 invert_truthvalue. Give it fold_* semantics to avoid
5900 (invert_truthvalue): New function. Wrapper around
5901 fold_truth_not_expr.
5902 (optimize_minmax_comparison): Avoid creating garbage.
5903 (fold_unary): Use fold_truth_not_expr for folding
5905 (fold_ternary): Replace uses of invert_truthvalue with
5906 fold_truth_not_expr where applicable.
5907 * tree.h (fold_truth_not_expr): Prototype.
5909 2006-06-16 Richard Guenther <rguenther@suse.de>
5911 PR tree-optimization/27781
5912 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5913 * ipa-pure-const.c (target.h): Include.
5914 (analyze_function): Do not analyze functions that do not
5917 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5920 * tree-dfa.c (referenced_vars_dup_list): Remove.
5921 (find_referenced_vars): Remove assert.
5922 (referenced_var_check_and_insert): Replace dup list with assert.
5923 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5924 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5926 2006-06-15 Richard Guenther <rguenther@suse.de>
5928 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5929 extra unused identifiers if not dumping.
5930 (create_variable_info_for): Likewise.
5932 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5934 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5935 (derive_constant_upper_bound): Derive more precise upper bound in
5936 common cases. Return type changed to double_int.
5937 (record_estimate): Reflect the changed return type of
5938 derive_constant_upper_bound.
5939 * double-int.c (double_int_zext, double_int_sext): Fix.
5941 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5943 * configure.ac (CFLAGS): Get them from the toplevel or from the
5944 configure invocation.
5945 * configure: Regenerate.
5946 * Makefile.in (CFLAGS): Substitute value provided by configure.
5948 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5951 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5952 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5953 rather than calling add_stmt on it.
5954 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5956 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5959 * reload1.c (reload): Remove registers returned by update_eliminables
5960 from used_spill_regs.
5962 2006-06-13 DJ Delorie <dj@redhat.com>
5964 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5966 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5968 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5969 html__strip_dir, html__mkdir_p. Enhance install-html target.
5970 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5971 * configure: Regenerate.
5973 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5975 * fold-const.c (fold_cond_expr_with_comparison): Check for
5976 Objective-C++ as language in deciding COND_EXPR transformation.
5978 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5981 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5982 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5983 * config/sh/lib1funcs.h (SL, SL1): Define.
5984 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5985 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5986 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5987 (OBJS_Os_4_200): New variable.
5988 ($(T)libgcc-Os-4-200.a): Use it.
5989 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5990 when dividing 1 and/or by 0.
5992 2006-06-13 Roger Sayle <roger@eyesopen.com>
5994 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5995 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5996 * configure: Regenerate.
5998 2006-06-13 Jie Zhang <jie.zhang@analog.com>
6000 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
6001 for real instruction.
6003 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6006 * haifa-sched.c (check_cfg): Handle special case.
6008 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
6011 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
6012 Add debug_info parameter. Chain the vars to the BLOCK instead
6013 of the BIND_EXPR if debug info are requested for them.
6014 (pop_gimplify_context): Adjust for above change.
6015 (gimple_add_tmp_var): Likewise.
6016 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
6018 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
6019 (convert_local_reference): Likewise.
6020 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
6021 (finalize_nesting_tree_1): Request that debug info be emitted
6022 for debug_var_chain.
6024 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6026 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
6027 for PR target/27863.
6029 2006-06-13 Richard Guenther <rguenther@suse.de>
6032 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
6034 2006-06-13 Richard Guenther <rguenther@suse.de>
6036 PR tree-optimization/27830
6037 * tree-inline.c (copy_body_r): For copying the operand
6038 of an ADDR_EXPR make sure to fold &* afterwards.
6040 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
6042 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
6043 lvalues in the fb_none case with side-effects.
6045 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
6047 * tree-flow.h: Remove the prototype for
6048 compute_phi_arg_on_exit.
6049 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
6050 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
6053 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
6055 * builtins.c (expand_builtin_return_addr): Only use
6056 frame_pointer_rtx when count == 0 and we are expanding
6057 __builtin_return_address.
6059 2006-06-12 Fred Fish <fnf@specifix.com>
6061 * config/mips/mips.c (mips_file_start): Create special section
6062 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
6064 2006-06-11 Eric Christopher <echristo@apple.com>
6067 * stor-layout.c (place_field): Remove check for
6068 remaining_in_alignment when aligning at the end of a run.
6070 2006-06-11 Eric Christopher <echristo@apple.com>
6073 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
6076 2006-06-11 Roger Sayle <roger@eyesopen.com>
6079 Revert incorrect fix for PR target/27158
6080 2006-05-08 Roger Sayle <roger@eyesopen.com>
6081 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6082 of a reg_equiv_constant if the result is a legitimate constant.
6084 2006-06-11 Roger Sayle <roger@eyesopen.com>
6087 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
6088 extract a CONST_VECTOR element and interpret it as an integer.
6089 (vspltis_constant): Use const_vector_elt_as_int instead of the
6090 macro CONST_VECTOR_ELT in order to handle FP vector modes.
6091 * config/rs6000/predicates.md (easy_vector_const): Consider
6092 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
6094 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
6097 * stor-layout.c (update_alignment_for_field): Don't add extra
6098 alignment for packed non-bitfield fields in ms_bitfield_layout_p
6101 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
6103 * config/mips/t-rtems: Add EL/EB multilib variants.
6105 2006-06-09 Mike Stump <mrs@apple.com>
6107 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
6109 2006-06-09 David Daney <ddaney@avtrex.com>
6111 * doc/install.texi: Add binutils version recommendation for mips-*-*.
6113 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
6115 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
6117 2006-06-09 Richard Guenther <rguenther@suse.de>
6119 PR tree-optimization/26998
6120 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
6121 of signed types, only TYPE_MIN_VALUE is special, but for both,
6122 minimum and maximum value. Likewise VR_ANTI_RANGE is special
6123 in this case, as is -fwrapv.
6125 2006-06-08 Mike Stump <mrs@apple.com>
6128 * config/darwin.c (darwin_asm_output_anchor): Disable
6129 -fsection-anchors on darwin for now.
6130 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
6131 * rs6000/rs6000.c (optimization_options): Likewise.
6133 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6136 * config/i386/i386.c (classify_argument): Skip fields with invalid
6139 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
6141 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
6142 (cse_insn): Likewise for the stack_pointer_rtx.
6144 2006-06-08 Roger Sayle <roger@eyesopen.com>
6146 * tree-ssa-dom.c (record_conditions): Only record "unordered"
6147 conditions from floating point comparisons.
6149 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
6152 * expmed.c (struct alg_hash_entry): Fix type of field T
6153 to match synth_mult argument.
6154 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
6156 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6159 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
6162 2006-06-08 Richard Guenther <rguenther@suse.de>
6165 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
6166 only, if overflow is defined and not trapping.
6167 (negate_expr): Likewise.
6169 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6171 PR tree-optimization/27872
6172 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
6173 flag on the new exit edge of the unrolled loop.
6175 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6177 PR rtl-optimization/26449
6178 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
6180 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
6183 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
6184 referenced_variables with matching DECL_UID's.
6185 (find_referenced_vars): Make sure duplicate list is empty to start.
6186 (referenced_var_p): Remove.
6187 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
6188 Check if var is in the list, and add if needed. Update the duplicate
6189 list if a different var is in the list with the same DECL_UID.
6190 (add_referenced_var): Call routine to check and insert.
6191 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
6192 * tree-flow.h (referenced_vars_dup_list): External declaration.
6194 2006-06-07 Fred Fish <fnf@specifix.com>
6196 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
6199 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
6202 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
6203 the imaginary and real parts of a clobbered register.
6204 Emit insn to set the imaginary part.
6206 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
6208 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
6209 in lieu of unwind-dw2-fde.c.
6211 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6213 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
6215 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
6218 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
6219 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
6220 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
6221 V4SImode temporaries and operations instead.
6223 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
6225 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
6228 2006-06-06 Mike Stump <mrs@apple.com>
6230 * Makefile.in: Rename to htmldir to build_htmldir to avoid
6231 installing during build.
6233 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6235 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
6237 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6238 * config/ia64/ia64.c (params.h): New header.
6239 (ia64_optimization_options): New function to adjust parameters.
6240 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
6241 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
6242 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
6244 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
6246 * stor-layout.c (debug_rli): Fix a typo in a debug message.
6248 2006-06-05 Steve Ellcey <sje@cup.hp.com>
6251 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
6253 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
6254 Victor Kaplansky <victork@il.ibm.com>
6256 PR tree-optimization/26360
6257 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
6260 2006-06-04 Roger Sayle <roger@eyesopen.com>
6261 Andrew Pinski <pinskia@physics.uc.edu>
6264 * c-common.c (c_common_truthvalue_conversion): Explicitly check
6265 for LABEL_DECL before calling DECL_WEAK.
6268 * c-typeck.c (build_binary_op): Likewise, explicitly check for
6269 LABEL_DECL and PARM_DECL.
6271 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
6275 * c-decl.c (grokdeclarator): Disallow variably modified types at
6276 file scope. Avoid marking shared array type of constant size as
6279 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6282 * c-common.c (fold_offsetof_1): Handle static members.
6284 2006-06-04 Eric Christopher <echristo@apple.com>
6286 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
6287 (debug_rli): Output value for remaining_in_alignment.
6288 (update_alignment_for_field): Unconditionalize
6289 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
6290 extra alignment code.
6291 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
6292 ms_bitfield_layout_p code. Rewrite handling of structure fields.
6293 * tree.h (record_layout_info_s): Remove prev_packed.
6294 * doc/extend.texi (ms_struct): Add documentation of format.
6296 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
6298 * tree.h: Declare folding_initializer.
6299 * builtins.c (fold_builtin_constant_p): Give definite answer
6300 if folding inside an initializer.
6301 * fold-const.c: Define folding_initializer.
6302 (START_FOLD_INIT): Save and then set folding_initializer.
6303 (END_FOLD_INIT): Restore folding_initializer.
6305 2006-06-04 Richard Guenther <rguenther@suse.de>
6307 PR tree-optimization/27039
6308 * fold-const.c (fold_comparison): Handle pointer comparison
6309 again for all comparison codes. Compare offsets in signed
6311 (fold_binary): Move code from here.
6313 2006-06-03 Roger Sayle <roger@eyesopen.com>
6316 * config/i386/i386.c (construct_container): Split static issued_error
6317 flag into issued_sse_arg_error, issued_sse_ret_error and
6318 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
6319 requires the use of x87 registers and the user explicitly
6320 specified the -mno-80387 command line option.
6322 2006-06-02 Geoffrey Keating <geoffk@apple.com>
6324 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
6325 HAVE_DECL_SIGALTSTACK.
6327 (segv_handler): Use MC_FLD.
6328 * configure.ac: Check for a sigaltstack declaration.
6329 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
6330 * configure: Regenerate.
6331 * config.in: Regenerate.
6333 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
6336 * Makefile.in (stmp-fixinc): Fix typo.
6338 2006-06-02 Roger Sayle <roger@eyesopen.com>
6340 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
6341 are type correct. Clean-up.
6342 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6343 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
6345 2006-06-01 DJ Delorie <dj@redhat.com>
6347 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
6348 shift, as we've disabled the "switch" insn that needs it.
6350 2006-06-01 Per Bothner <bothner@bothner.com>
6352 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
6353 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
6354 * c-ppoutput.c (cb_define): Don't increment line 0.
6356 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
6358 * doc/invoke.texi: Add cpu_type power6.
6359 * config.gcc: Add cpu_type power6.
6360 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
6361 to power5+ with Altivec.
6362 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
6363 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
6365 2006-05-30 Anatoly Sokolov <aesok@post.ru>
6367 * config/avr/avr.h (SET_ASM_OP): Define.
6369 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
6371 * config/bfin/bfin.c: Fix comment typos.
6373 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6376 * doc/install.texi: Document --enable-bootstrap and
6377 --disable-bootstrap.
6379 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6381 * doc/install.texi: Document that InfoZIP can replace jar.
6383 2006-05-31 Roger Sayle <roger@eyesopen.com>
6385 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
6386 isn't available, directly generate the simpler x87 patterns without
6387 the (use (const_int 0)).
6388 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
6389 implementation isn't available.
6390 (*negdf2_1): Likewise.
6391 (*negxf2_1): XF mode negation is always done using the x87.
6392 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
6394 2006-05-31 Roger Sayle <roger@eyesopen.com>
6396 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
6397 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
6399 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
6401 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6403 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
6404 * config/bfin/bfin.c (basic-block.h): Include.
6405 (struct machine_function): New.
6406 (bfin_init_machine_status): New.
6407 (override_options): Initialize init_machine_status.
6408 (bfin_hardware_loop): New.
6409 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
6410 (DEF_VEC_P (loop_info)): New.
6411 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
6412 (struct loop_info): New.
6413 (loop_info): New typedef.
6414 (struct loop_work): New.
6415 (loop_work): New typedef.
6416 (DEF_VEC_O (loop_work)): New.
6417 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
6418 (bfin_dump_loops): New.
6419 (bfin_bb_in_loop): New.
6420 (bfin_scan_loop): New.
6421 (bfin_optimize_loop): New.
6422 (bfin_reorg_loops): New.
6423 (bfin_reorg): Use bfin_reorg_loops.
6424 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
6426 (I_REGNO_P): Simplify.
6427 (DP_REGNO_P, DPREG_P): New macros.
6428 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
6429 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
6430 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6431 Add LT_REGS, LC_REGS, LB_REGS.
6432 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
6434 (REGNO_REG_CLASS): Deal with loop registers.
6435 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
6437 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
6438 New constants for loop registers.
6439 (UNSPEC_LSETUP_END): New.
6440 (seq_insns): New define_attr. Set it for appropriate insns.
6441 (movsi_insn): Add alternatives for move from/to
6442 loop count registers.
6443 (doloop_end): New define_expand.
6444 (loop_end): New define_insn.
6445 (define_split for bad doloop_end): New.
6446 (lsetup_with_autoinit): New define_insn.
6447 (lsetup_without_autoinit): New define_insn.
6448 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
6449 * config/bfin/predicates.md (lc_register_operand): New.
6450 (lt_register_operand): New.
6451 (lb_register_operand): New.
6452 (nondp_register_operand): New.
6453 (nondp_reg_or_memory_operand): New.
6454 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
6456 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6458 * config/bfin/bfin.c (bfin_delegitimize_address): New.
6459 (TARGET_DELEGITIMIZE_ADDRESS): Define.
6461 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
6463 * Makefile.in (CATALOGS): Add po/ prefix.
6464 * configure: Regenerated.
6466 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
6469 * arm.c (arm_print_operand case 'S'): Validate that the operand is
6470 a shift operand before calling shift_op. Avoid redundant call of
6473 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
6474 DJ Delorie <dj@redhat.com>
6476 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
6477 we're inserting is a singlt-bit constant.
6479 2006-05-30 Roger Sayle <roger@eyesopen.com>
6481 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
6482 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
6484 2006-05-30 Roger Sayle <roger@eyesopen.com>
6486 PR tree-optimization/23452
6487 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
6488 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
6489 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
6490 complex values and with -ffast-math for FP complex values.
6492 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
6494 * c-common.h: Remove the prototype for yyparse.
6495 * rtl.h: Remove the prototype for init_loop.
6497 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
6499 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
6502 2006-05-30 Roger Sayle <roger@eyesopen.com>
6504 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
6506 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
6507 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
6509 2006-05-30 Dirk Mueller <dmueller@suse.de>
6512 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
6513 for CONSTANT_CLASS_P expresisons.
6515 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6518 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
6520 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
6522 PR tree-optimization/27779
6523 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
6524 initial_condition instead of CHREC_LEFT.
6526 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
6528 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
6529 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
6530 Make prototypes ISO C90.
6532 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
6533 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6535 * see.c (see_analyze_one_def): Correct check.
6536 (see_get_extension_data): Check if extension is parallel.
6537 (see_get_extension_reg): Likewise.
6539 2006-05-30 Uros Bizjak <uros@kss-loka.si>
6542 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
6543 into register for (code == GTU).
6545 2006-05-29 Roger Sayle <roger@eyesopen.com>
6547 PR tree-optimization/24964
6548 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
6549 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
6550 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
6551 abs(x)*abs(x) as x*x for scalar floating point modes.
6553 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
6556 * lambda-code.c (perfect_nestify): Don't copy statements
6557 in the inner loop: move them to the inner loop header.
6559 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6562 * c-tree.texi: Document OpenMP directives and clauses.
6564 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6566 * varasm.c (globalize_decl): Fix indentation.
6568 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6571 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
6572 pass_fre, pass_store_ccp, pass_copy_prop,
6573 pass_store_copy_prop, pass_merge_phi, pass_nrv,
6574 pass_return_slot, pass_object_size, pass_lim,
6575 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
6576 pass_loop_prefetch and pass_stdarg.
6578 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
6580 * config/bfin/bfin.opt (mfdpic): New option.
6581 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
6582 (EXTRA_MULTILIB_PARTS): Likewise.
6583 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
6584 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
6586 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
6587 (CRT_CALL_STATIC_FUNCTION): New.
6588 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
6590 (CRT_CALL_STATIC_FUNCTION): New.
6591 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
6593 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
6594 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
6595 (initialize_trampoline): Changed to handle FD-PIC code generation.
6596 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
6597 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
6598 (override_options): Disallow -mid-shared-library -mfdpic combination.
6599 Can't do unaligned ops if FD-PIC.
6600 Turn off flag_pic if trying to generate non-id-shared-library
6601 non-fdpic code, since it's not supported.
6602 (bfin_assemble_integer): New function.
6603 (TARGET_ASM_INTEGER): Define.
6604 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
6606 * config/bfin/crtn.s: Restore them.
6607 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
6609 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
6610 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
6611 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
6612 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
6613 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
6615 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
6616 FDPIC_REGS and FDPIC_FPTR_REGS.
6617 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
6618 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
6619 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
6620 (load_funcdescsi): New pattern.
6621 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
6622 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
6623 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
6625 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6627 * gcse.c, rtlanal.c: Remove obsolete comments associated with
6630 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
6632 * tree-flow.h: Remove the prototype for add_type_alias.
6633 * tree-ssa-alias.c (add_type_alias): Remove.
6635 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
6637 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
6638 config/fr30/fr30.md, config/i386/i386-interix.h,
6639 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
6640 config/sh/superh64.h, config/v850/v850.c, df-core.c,
6641 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
6642 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
6643 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
6644 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
6645 Follow spelling conventions.
6646 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
6647 Follow spelling conventions.
6649 2006-05-27 Richard Guenther <rguenther@suse.de>
6652 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6653 to produce a constant of value 1 of generic type.
6655 2006-05-27 Dirk Mueller <dmueller@suse.de>
6657 * cgraphunit.c (decide_is_function_needed): Fix wrong
6660 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6662 PR rtl-optimization/27661
6663 * reload.c (find_reloads): When reloading a VOIDmode constant
6664 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6665 use Pmode as mode of the reload register.
6667 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
6669 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6670 is enabled at -O and above.
6672 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
6675 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6678 2006-05-25 Mark Mitchell <mark@codesourcery.com>
6681 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6682 for anonymous variables explicitly declared by front ends.
6684 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6686 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6687 (struct alias_info): Add new field ref_all_symbol_mem_tag.
6688 * tree-ssa-alias.c (compute_may_aliases): If the program contains
6689 ref-all pointers, run a finalization pass for them.
6690 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6691 (finalize_ref_all_pointers): New function.
6692 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6693 regular pointer type to a ref-all pointer type.
6694 (get_tmt_for): Return the special memory tag for ref-all pointers.
6696 2006-05-25 Richard Guenther <rguenther@suse.de>
6699 * fold-const.c (fold_binary): Do not look at the stripped
6700 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6702 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6704 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6705 for LT and GT if the computed range is effectively empty.
6707 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6710 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6711 mips_quad_format formats instead of ieee_single_format,
6712 ieee_double_format and ieee_quad_format formats, respectively.
6714 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6716 PR tree-optimization/27639
6717 PR tree-optimization/26719
6718 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6719 call to scev_probably_wraps_p.
6720 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6721 used_in_pointer_arithmetic_p, convert_step): Removed.
6722 (nowrap_type_p): New function.
6723 (scev_probably_wraps_p): Rewritten.
6724 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6725 chrec_convert if chrec_convert_aggressive might have been used.
6726 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6727 scev_direction): New functions.
6728 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6729 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6730 instead of convert_step.
6731 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6732 (convert_step): Declaration removed.
6733 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6735 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6737 * df-core.c: Added to header comments.
6738 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6739 df_ur_bb_info, df_urec_bb_info): Added comments.
6740 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6741 urec, ri problems): Fixed header comments.
6742 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6743 code from df_rd_transfer_function.
6745 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6747 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6748 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6749 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6751 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6753 * expr.c (undefined_operand_subword_p): New.
6754 (emit_move_multi_word): Do not generate move from undefined bits
6755 of a paradoxical subreg.
6757 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6759 PR rtl-optimization/27736
6760 * combine.c (replaced_rhs_value): New variable.
6761 (combine_instructions): Set it.
6762 (distribute_notes): When distributing a note in replaced_rhs_insn,
6763 check whether the value was used in replaced_rhs_value.
6765 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6768 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6769 add_referenced_var instead of add_referenced_tmp_var.
6770 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6771 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6773 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6774 tree_optimize_tail_calls_1): Use add_referenced_var.
6775 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6776 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6777 Use add_referenced_var.
6778 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6779 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6780 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6781 Use add_referenced_var.
6782 * tree-dfa.c (struct walk_state): Remove.
6783 (find_referenced_vars): Remove walk state and vars_found hash table.
6784 (make_rename_temp): Use add_referenced_var.
6785 (find_vars_r): Pass less parameters to add_referenced_var.
6786 (referenced_var_p): New. Is var in referenced_var hash table.
6787 (referenced_var_insert): Assert var isn't already in hash table.
6788 (add_referenced_var): Don't need walk_state parameter. Add var if it
6789 isn't already in the hash table.
6790 (add_referenced_tmp_var): Remove.
6791 (find_new_referenced_vars_1): Use add_referenced_var.
6792 * tree-ssa-pre.c (create_expression_by_pieces,
6793 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6794 Use add_referenced_var.
6795 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6796 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6797 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6799 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6800 vect_create_data_ref_ptr, vect_create_destination_var,
6801 vect_init_vector, vect_build_loop_niters,
6802 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6803 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6804 Use add_referenced_var.
6805 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6806 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6807 (add_referenced_var): Add prototype.
6808 * tree-ssa-structalias.c (get_constraint_for,
6809 intra_create_variable_infos): Use add_referenced_var.
6811 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6813 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6814 big-endian paradoxical subregs.
6815 * var-tracking.c (struct micro_operation_def): Document that,
6816 for modify micro operations, insn is the subsequent instruction.
6817 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6818 (var_reg_set, var_mem_set): ... new functions.
6819 (add_stores): Record subsequent insn.
6820 (compute_bb_dataflow): Use new functions for MO_USE.
6821 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6822 notes after the insn, and modify notes before the insn known
6823 to be the subsequent one.
6824 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6826 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6829 * config/i386/i386.c (ix86_expand_builtin): Use
6830 gen_sse3_monitor64 for TARGET_64BIT.
6832 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6834 PR rtl-optimization/26375
6835 PR rtl-optimization/26855
6836 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6838 (df_ru_bb_local_compute): Reversed statements and removed bogus
6839 comment explaining why they should be in wrong order.
6840 (df_ru_dump, df_rd_dump): Enhanced debug info.
6841 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6843 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6844 reaching uses and fixed space problem.
6846 2006-05-23 Jan Hubicka <jh@suse.cz>
6848 * cgraphunit.c (decide_is_function_needed): Also nested functions
6849 and functions declared inline can be optimized out at -O0.
6851 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6853 * doc/install.texi (Configuration): Remove reference to CrossGCC
6857 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6860 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6861 ix86_compare_emitted is non-NULL.
6863 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6866 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6869 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6871 PR rtl-optimization/25514
6872 * combine.c (replaced_rhs_insn): New variable.
6873 (combine_instructions): Set replaced_rhs_insn when trying to replace
6874 a SET_SRC with a REG_EQUAL note.
6875 (distribute_notes): Use replaced_rhs_insn when determining the live
6876 range of a REG_DEAD register.
6878 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6879 Anatoly Sokolov <aesok@post.ru>
6881 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6882 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6883 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6884 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6885 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6886 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6887 at90usb647, at90usb1286 and at90usb1287 devices.
6888 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6889 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6891 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6893 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6895 2006-05-22 Richard Guenther <rguenther@suse.de>
6898 2006-01-31 Richard Guenther <rguenther@suse.de>
6899 Paolo Bonzini <bonzini@gnu.org>
6901 * doc/install.texi (--disable-libgcc-math): Document.
6903 2006-05-22 Richard Guenther <rguenther@suse.de>
6906 2006-01-31 Richard Guenther <rguenther@suse.de>
6908 * doc/invoke.texi (-msselibm): Document.
6909 * target.h (expand_library_builtin): New target hook.
6910 * builtins.c (expand_builtin): Use expand_library_builtin.
6911 (default_expand_library_builtin): New function.
6912 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6913 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6914 (link_gcc_math_spec): Declare.
6915 (static_specs): Add link_gcc_math_spec.
6916 * expr.h (default_expand_library_builtin): Declare.
6917 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6918 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6919 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6920 * config/i386/i386.opt (msselibm): New target option.
6921 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6922 (ix86_init_sse_abi_builtins): New function.
6923 (ix86_expand_library_builtin): Likewise.
6924 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6925 (override_options): Handle error conditions wrt -msselibm.
6926 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6927 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6928 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6931 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6934 * c-common.c (self_promoting_args_p): Skip erroneous args.
6937 * c-decl.c (finish_struct): Skip erroneous fields.
6939 2006-05-22 Nick Clifton <nickc@redhat.com>
6941 * config/cris/cris.opt (march): Remove VarExists attribute.
6942 (max-stackframe=): Likewise.
6944 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6946 * doc/rtl.texi: Fix a typo.
6947 * see.c: Fix comment typos.
6949 * tree-ssa-structalias.h (alias_info): Remove num_references.
6951 2006-05-21 Mike Stump <mrs@apple.com>
6953 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6955 (darwin_pragma_options): Use BAD instead.
6956 (darwin_pragma_unused): Likewise.
6957 (darwin_pragma_ms_struct): Likewise.
6959 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6961 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6963 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6965 PR rtl-optimization/27671
6966 * simplify-rtx.c (simplify_relational_operation_1): Fix
6967 simplifications of (eq/ne (xor x y) y) and
6968 (eq/ne (xor x y) x).
6970 PR tree-optimization/26622.
6971 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6974 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6976 * tree-cfg.c: Prune whitespace.
6977 (debug_tree_cfg): Point to correct header containing the
6980 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6983 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6985 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6988 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6989 or sorry count is non zero.
6991 2006-05-20 Andreas Schwab <schwab@suse.de>
6993 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6995 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6996 Kenneth Zadeck <zadeck@naturalbridge.com>
6998 PR rtl-optimization/26855
7000 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
7002 (df_scan_alloc): Added code to properly handle multiword hard
7003 registers and add all_blocks parameter.
7004 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
7005 code to properly handle multiword hard registers.
7006 (df_rescan_blocks): Added code to remove deleted blocks from
7008 (df_ref_create_structure, df_ref_record): Added code to properly
7010 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
7011 and set DF_REF_PARTIAL.
7012 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
7013 (df_uses_record): Added DF_REF_PARTIAL for subreg.
7014 (df_scan_add_problem): Added flags parameter.
7015 (df_ref_create_structure): Changed switching structure.
7016 (df_bb_refs_record): Fixed case where duplicate artificial refs
7017 were created. Changed location of flags.
7018 (df_record_entry_block_defs): Added code to make stack pointer
7019 live in entry block. Refined cases where frame pointer is needed.
7020 Changed location of flags.
7021 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
7022 (df_set_state): Removed function.
7023 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
7024 df_insn_create_insn_record, df_insn_refs_delete,
7025 df_ref_create_structure): Formatting changes.
7026 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
7027 df_delete_basic_block): New function.
7028 (df_init): Changed location of flags.
7029 (df_add_problem): Added flags parameter and the way flags are
7031 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
7032 debug_df_chain): Improved debugging output.
7033 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
7034 (df_refs_chain_dump): Removed df parameter.
7035 (df_iterative_dataflow): Added consistency check.
7036 (df_prune_to_subcfg): Made public.
7037 (df_analyze_problem): Added blocks_to_init parameter and made
7039 (df_ref_record, df_bb_refs_record, df_mark_reg,
7040 df_record_exit_block_uses): Whitespace changes.
7041 (df_dump): Whitespace changes.
7042 * df.h: Some reordering to remove forward references.
7043 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
7044 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
7045 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
7046 (dataflow.flags): New field.
7047 (df.flag): Deleted field.
7048 (df_alloc_function): Added additional bitmap parameter.
7049 (df_dependent_problem_function): New type.
7050 (df_problem.changeable_flags): New field.
7051 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
7052 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
7053 (df_mw_hardreg): New struct.
7054 (DF_INSN_UID_MWS): New macro.
7055 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
7057 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
7058 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
7059 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
7060 (df_set_state): Removed function.
7061 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
7062 * df-problems.c (df_chain_dump): Removed df parameter.
7063 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
7064 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
7066 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
7067 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
7068 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
7069 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
7070 DF_REF_MUST_CLOBBER cases.
7071 (df_ru_bb_local_compute_process_def,
7072 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
7073 df_lr_bb_local_compute, df_ur_bb_local_compute,
7074 df_chain_create_bb): Made subreg aware.
7075 (df_ru_bb_local_compute, df_rd_bb_local_compute,
7076 df_lr_bb_local_compute, df_lr_bb_local_compute,
7077 df_chain_create_bb): Cleanup to use proper macros.
7078 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
7079 code to fixup bitvectors.
7080 (df_ri_alloc): Cleared lifetime.
7081 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
7082 df_create_unused_note): New function.
7083 (df_ri_bb_compute, df_ri_compute): Added code to create/update
7084 REG_DEAD and REG_UNUSED notes as well as register information.
7085 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
7086 df_chains_dump): Fixed crash if problem was never run.
7087 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
7088 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
7089 df_ri_add_problem): Processes flags in uniform manner.
7090 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
7091 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
7092 df_rd_dump, df_urec_free_bb_info): Formatting changes.
7093 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
7094 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
7095 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
7096 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
7097 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
7098 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
7099 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
7100 * see.c (see_initialize_data): Ditto.
7101 * final.c (rest_of_clean_state) Added regstack_completed.
7102 * rtl.h (regstack_completed): Ditto.
7103 * reg-stack.c (regstack_completed): Ditto.
7105 2006-05-19 Mike Stump <mrs@apple.com>
7107 * c-tree.h (default_conversion): Remove.
7108 * c-common.h (default_conversion): Add.
7110 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
7112 * tree-vrp.c (valid_value_p): New function.
7113 (adjust_range_with_scev): Fail if the value of bound is not
7116 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7118 * config/mips/linux-unwind.h: Include <asm/unistd.h>
7119 (mips_fallback_frame_state): Use syscall numbers to determine
7120 the appropriate li instruction for the current ABI. Only use
7121 __NR_sigreturn for o32.
7123 2006-05-19 Nicolas Setton <setton@adacore.com>
7125 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
7126 * langhooks.c (lhd_dwarf_name): New function.
7127 * langhooks-def.h (lhd_dwarf_name): Declare.
7128 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
7129 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
7130 * ada/misc.c (gnat_dwarf_name): New function.
7131 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
7133 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7135 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
7137 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
7138 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7139 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
7140 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
7141 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
7142 determine the size of Wtype, etc.
7143 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
7144 (swfloatfuncs): New variable.
7145 (dwfloatfuncs): Likewise.
7146 (lib2funcs): Remove floating-point conversion functions from
7147 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
7148 the set of conversion routines needed. Allow entries to specify
7149 an object name, filename and word size. Update users accordingly.
7150 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
7151 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
7155 2006-02-08 Roger Sayle <roger@eyesopen.com>
7158 * config/fixtfdi.c: New libgcc source file.
7159 * config/fixunstfdi.c: New source file.
7160 * config/floatditf.c: New source file.
7161 * config/floatunditf.c: New souce file.
7162 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7163 files above instead of config/mips/_tilib.c.
7164 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7166 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7168 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
7169 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
7171 2006-05-18 Mike Stump <mrs@apple.com>
7173 Fix up vla, vm and [*] sematics.
7179 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
7180 (c_vla_unspec_p): Add.
7181 (c_vla_type_p): Add.
7182 * c-decl.c (struct c_scope): Add had_vla_unspec.
7183 (build_array_declarator): Add support for [*].
7184 (grokdeclarator): Likewise.
7185 (grokparms): Likewise.
7186 (get_parm_info): Likewise.
7187 * c-objc-common.c (c_vla_unspec_p): Likewise.
7188 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
7189 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
7190 typeof when argument is a variably modified type not inside sizeof or alignof.
7191 (c_parser_direct_declarator_inner): Propagate errors.
7192 (c_parser_sizeof_expression): Add support for [*].
7193 (c_parser_parms_declarator): Initialize had_vla_unspec.
7194 (c_parser_parms_list_declarator): Likewise.
7195 * c-typeck.c (c_vla_type_p): Add.
7196 (composite_type): Add support for vla compositing.
7197 (comptypes_internal): Add support for vla compatibility.
7198 (c_expr_sizeof_expr): Evaluate vla arguments.
7199 * tree.c (variably_modified_type_p): Update comment for [*].
7201 2006-05-18 Michael Matz <matz@suse.de>
7204 * config.host: Make assignments to host_xmake_file cumulative.
7205 * config.host (*-darwin*): Test $host, not $target.
7207 2006-05-12 Stuart Hastings <stuart@apple.com>
7209 * config/i386/i386.opt (-mstackrealign): New flag.
7210 * config/i386/i386.c (force_align_arg_pointer): New attribute.
7211 (ix86_handle_cconv_attribute): Emit error when
7212 force_align_arg_pointer attribute collides with too many regparms.
7213 (ix86_function_regparm): Limit regparms when used with
7214 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
7215 Support stack-realigning prologue in non-main functions. Emit
7216 warning for nested functions under -mstackrealign, emit error for
7217 nested functions with force_align_arg_pointer attribute.
7218 * doc/extend.texi (force_align_arg_pointer): Document it.
7219 * doc/invoke.texi (-mstackrealign): Document it.
7221 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
7223 PR rtl-optimization/27477
7224 * combine.c (try_combine): Don't split a parallel consisting
7225 of two sets into two individual sets if both sets reference
7228 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
7230 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
7231 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
7233 * doc/options.texi (VarExists): Updated.
7235 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7237 * unwind-dw2.c: Add declarations for uw_update_context and
7239 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
7240 detected, advance frame state and context once to skip over stub.
7242 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7246 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
7247 Call rewrite_into_loop_closed_ssa only when something changed.
7248 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
7249 * lambda-code.c (can_convert_to_perfect_nest): Declared.
7250 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
7251 Test for perfect_nest_p here. Fix formating.
7252 (replace_uses_equiv_to_x_with_y): Fix formating.
7253 (stmt_uses_op): Removed.
7254 (can_convert_to_perfect_nest): Removed loopivs parameter.
7255 Complete the test by checking the scalar dependences.
7256 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
7259 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7262 From Dan Kegel <dank@kegel.com>:
7263 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
7265 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
7267 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
7268 if the element type is variably modified without recursing.
7270 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7273 * tree-loop-linear.c (try_interchange_loops): Test for
7274 no data dependences.
7276 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
7278 PR tree-optimization/27548
7279 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
7280 range of ssa names that appear on abnormal edges.
7281 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
7282 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
7284 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7287 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
7289 2006-05-17 Jakub Jelinek <jakub@redhat.com>
7292 * tree.h (OMP_PARALLEL_COMBINED): Define.
7293 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
7294 (new_omp_context): Add is_combined_parallel argument.
7295 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
7296 new_omp_context caller.
7297 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
7298 Adjust gimplify_scan_omp_clauses callers.
7299 (omp_is_private): Issue errors if iteration variable is firstprivate
7300 or reduction in the current context.
7301 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
7302 on combined parallel workshare constructs.
7304 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7306 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
7307 (gcc-options.o): New rule.
7309 * optc-gen.awk: Protect variables for gcc-options.o with
7310 #ifdef GCC_DRIVER/#endif.
7312 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
7314 Fix PR tree-optimization/27373
7315 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
7316 (forward_propagate_addr_expr): Update call.
7318 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7320 * doc/options.texi: Move the Negative option.
7322 2006-05-16 Richard Guenther <rguenther@suse.de>
7324 PR tree-optimization/22303
7325 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
7327 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
7328 ccp_fold did not simplify the statement.
7330 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7333 * Makefile.in (GCC_OBJS): New.
7334 (OBJS-common): Add opts-common.o.
7335 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7336 (cpp$(exeext)): Likewise.
7337 (gcc.o): Also depend on opts.h.
7338 (opts-common.o): New.
7340 * common.opt (gcoff): Add Negative(gdwarf-2).
7341 (gdwarf-2): Add Negative(gstabs).
7342 (gstabs): Add Negative(gstabs+).
7343 (gstabs+): Add Negative(gvms).
7344 (gvms): Add Negative(gxcoff).
7345 (gxcoff): Add Negative(gxcoff+).
7346 (gxcoff+): Add Negative(gcoff).
7347 * config/i386/i386.opt (m32): Add Negative(m64).
7348 (m64): Add Negative(m32).
7350 * doc/options.texi: Document the Negative option.
7352 * gcc.c: Include "opts.h".
7353 (main): Call prune_options after expandargv.
7355 * optc-gen.awk: Generate common declarations for all flag
7356 variables in options.c. Output the neg_index field.
7358 * opts.c (find_opt): Moved to ...
7359 * opts-common.c: Here. New file.
7361 * opts.h (cl_option): Add a neg_index field.
7363 (prune_options): Likewise.
7365 2006-05-16 Jakub Jelinek <jakub@redhat.com>
7368 * omp-low.c (expand_omp_parallel): Don't assert
7369 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
7370 instead search for it.
7373 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
7376 2006-05-16 Andreas Schwab <schwab@suse.de>
7378 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
7381 2006-05-15 Roger Sayle <roger@eyesopen.com>
7384 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
7385 integer constants other than zero are only legitimate on TARGET_64BIT.
7386 <CONST_VECTOR> Only zero vectors are legitimate.
7387 (ix86_cannot_force_const_mem): Integral and vector constants can
7388 always be put in the constant pool.
7390 2006-05-16 DJ Delorie <dj@redhat.com>
7392 * crtstuff.c (__dso_handle): Set section from
7393 TARGET_LBIGCC_SDATA_SECTION if defined.
7394 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
7395 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
7397 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
7400 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
7403 2006-05-16 Ben Elliston <bje@au.ibm.com>
7405 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
7407 2006-05-15 Per Bothner <per@bothner.com>
7409 * tree.c: (last_annotated_node): Use source_locus typedef.
7410 This permits bootstrapping with --enable-mapped-location.
7412 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
7414 PR tree-optimization/26830
7415 * tree-into-ssa.c (struct ssa_name_info): Add age field.
7416 (info_for_ssa_name, current_info_for_ssa_name_age,
7417 blocks_to_update): New variables.
7418 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
7419 (clear_ssa_name_info, initialize_flags_in_bb,
7420 mark_block_for_update): New functions.
7421 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
7422 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
7423 prepare_def_site_for): Use mark_block_for_update.
7424 (mark_def_interesting): Assert that the processed block is marked in
7425 blocks_to_update. Do not take blocks argument.
7426 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
7428 (rewrite_update_init_block, rewrite_update_stmt): Only process
7429 blocks with statements to rewrite.
7430 (delete_update_ssa): Do not clear SSA_NAME_AUX.
7431 (update_ssa): Initialize and free blocks_to_update. Do not
7432 clear flags on statements. Do not use blocks bitmap.
7433 * tree.h (SSA_NAME_AUX): Removed.
7434 (struct tree_ssa_name): Removed aux field.
7435 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
7437 2006-05-15 Richard Guenther <rguenther@suse.de>
7439 PR tree-optimization/27603
7440 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
7441 Do computations in original type.
7443 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
7445 * see.c: Code style changes such as redundant paranthesis,
7446 redundant intialization of local variables etc.
7447 (see_main): Declared now as static.
7448 * doc/invoke.texi: Update that -fsee is not enabled by
7451 2006-05-15 Jakub Jelinek <jakub@redhat.com>
7453 * omp-low.c (check_omp_nesting_restrictions): New function.
7454 (scan_omp_1): Call it.
7457 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
7458 construct, return *VAR.
7460 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
7462 PR rtl-optimization/27406
7463 * bt-load.c (migrate_btr_def): Skip the block having abnormal
7466 2006-05-14 Roger Sayle <roger@eyesopen.com>
7468 PR rtl-optimization/27538
7469 * combine.c (expand_compound_operation): Call gen_lowpart
7470 before calling simplify_shift_const.
7472 2006-05-14 Roger Sayle <roger@eyesopen.com>
7474 PR rtl-optimization/22563
7475 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
7476 a fixed width bitfield, always force the intermediates into psuedos.
7478 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
7481 * mkconfig.sh: Use operator = instead of == for test.
7483 2006-05-13 Nick Clifton <nickc@redhat.com>
7485 * dwarf2out.c (dbx_reg_number): Check return value from
7486 LEAF_REG_REMAP and only use it if it is valid.
7487 (multiple_reg_loc_descriptor): Likewise.
7489 2006-05-13 Richard Guenther <rguenther@suse.de>
7491 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
7494 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
7496 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
7497 information attached to non-INSNs such as NOTEs.
7498 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
7500 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
7502 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
7504 * config/s390/s390.md: Adjust comment describing On constraint.
7506 2006-05-11 Jan Hubicka <jh@suse.cz>
7508 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
7509 to be output at -O0.
7511 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7514 * fold-const.c (size_binop): Move sanity check for arguments to
7515 the beginning of the function.
7518 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
7521 2006-05-11 Richard Guenther <rguenther@suse.de>
7524 * fold-const.c (fold_unary): Handle intermediate conversion
7525 to a pointer type like intermediate conversion to an integer
7526 type in folding of (T1)(T2)var to var.
7527 Match the code to the comment in the final conversion for
7528 (T1)(T2)var to (T1)var regarding to type precision. Rather
7529 than disallow T1 being of pointer type, assert that both T1
7530 and var are of pointer type or not. Make sure not to fall
7531 over the frontends lazyness wrt array to pointer decay though.
7533 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
7535 * arm.c (arm_struct_value_rtx): Delete.
7536 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
7537 (arm_init_cumulative_args): Always initialize nregs to zero.
7539 2006-05-10 Richard Guenther <rguenther@suse.de>
7541 PR tree-optimization/27532
7542 * tree-object-size.c (plus_expr_object_size): Fix typo.
7544 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
7547 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
7548 ashrdi_const, ashrdi3): Use a scratch register.
7550 2006-05-10 Richard Guenther <rguenther@suse.de>
7552 PR tree-optimization/27302
7553 * fold-const.c (operand_equal_p): For two comparisons,
7554 try comparison of one comparison code swapped if that yields
7557 2006-05-10 Ben Elliston <bje@au.ibm.com>
7559 * tree-pretty-print.c (pretty_print_string): No need to handle
7560 '\0' as a special character.
7562 * tree.h: Include "hashtab.h".
7563 (iterative_hash_expr): Use hashval_t in its prototype.
7564 * Makefile.in (TREE_H): Add $(HASHTAB_H).
7566 2006-05-09 Steve Ellcey <sje@cup.hp.com>
7569 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
7570 (hppa*64*-*-hpux11*): Ditto.
7571 (hppa[12]*-*-hpux11*): Ditto.
7573 2006-05-09 David Edelsohn <edelsohn@gnu.org>
7576 * config/rs6000/aix41.h (TARGET_64BIT): Define.
7578 2006-05-09 Michael Matz <matz@suse.de>
7580 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
7581 host_extra_gcc_objs and host_xmake_file.
7582 (<*-*-linux*>): Don't overwrite host_xmake_file.
7583 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
7584 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
7585 (host_detect_local_cpu): Declare.
7586 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
7587 * config/i386/i386.c (override_options): Handle -mtune=native
7589 * config/i386/x-i386: New file.
7590 * config/i386/driver-i386.c: New file.
7591 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
7594 2006-05-09 Dirk Mueller <dmueller@suse.de>
7595 Richard Guenther <rguenther@suse.de>
7598 * fold-const.c (fold_read_from_constant_string): Relax check
7599 for matching types to matching modes.
7601 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
7603 PR rtl-optimization/27335
7604 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
7607 2006-05-08 Chao-ying Fu <fu@mips.com>
7608 Richard Sandiford <richard@codesourcery.com>
7610 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
7611 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
7612 * config/mips/mips.md (UNSPEC_SCC): New constant.
7613 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
7614 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
7615 (mips_emit_compare): Use it.
7616 (mips_expand_vcondv2sf): New function.
7618 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
7620 Fix PR tree-optimization/27093
7621 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
7622 renaming when they become not-used_alone.
7624 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7626 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
7627 relocation and relocation stubs.
7629 2006-05-08 Eric Christopher <echristo@apple.com>
7631 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
7634 2006-05-08 Jan Hubicka <jh@suse.cz>
7637 * cgraphunit.c (decide_is_function_needed): When not optimizing even
7638 unused static functions are needed.
7640 2006-05-08 Roger Sayle <roger@eyesopen.com>
7643 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7644 of a reg_equiv_constant if the result is a legitimate constant.
7646 2006-05-08 Uros Bizjak <uros@kss-loka.si>
7649 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7650 standard 80387 constants, raise the cost to prevent
7651 compress_float_constant() to generate load from memory.
7653 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7655 * config/arm/constraints.md (c): Fix a typo.
7657 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7660 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7663 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7665 (_mm_mwait): Likewise.
7667 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7669 (sse3_monitor): Make it 32bit only.
7670 (sse3_monitor64): New. 64bit monitor.
7672 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7675 * config/i386/i386.c (classify_argument): Skip fields with invalid
7678 2006-05-07 Richard Guenther <rguenther@suse.de>
7680 PR tree-optimization/27409
7681 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7682 Do not try to find zero-sized subvars.
7684 2006-05-07 Richard Guenther <rguenther@suse.de>
7686 PR tree-optimization/27136
7687 * tree-ssa-loop-niter.c (get_val_for): Correct function
7688 comment, assert requirements.
7689 (loop_niter_by_eval): Stop processing if the iterated
7690 value did not simplify.
7692 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
7694 * opts.c (flag_see): remove its setting at -O3.
7696 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
7698 * genpeep.c (main): Make insn-peep.c depend on flags.h.
7699 * arm/constraints.md: New file.
7700 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7701 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7702 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7703 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7704 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7705 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7706 * arm.md: Include constraints.md.
7707 (thumb_movsi_insn): Use satisfies_constraint_J.
7708 (movhi, movqi): Use satisfies_constraint_I.
7710 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7712 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7713 for atmeg a645 device.
7715 2006-05-06 Richard Guenther <rguenther@suse.de>
7717 PR tree-optimization/27151
7718 * tree-vect-transform.c (vectorizable_condition): Punt on
7719 values that have a different type than the condition.
7721 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7724 * c-parser.c (c_parser_cast_expression): Only insert casts into
7725 hash table if pointer.
7726 * function.c (used_types_insert_helper): Rename from
7728 (used_types_insert): Call used_types_insert_helper.
7729 * function.h (used_types_insert): Accept only one argument.
7731 2006-05-05 David Edelsohn <edesohn@gnu.org>
7733 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7734 scratch with output modifier.
7736 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7739 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7740 with output modifier.
7742 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7745 * config/mips/mips.c (mips_symbolic_address_p): Return true
7746 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7747 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7749 2006-05-04 Richard Guenther <rguenther@suse.de>
7751 PR tree-optimization/14287
7752 PR tree-optimization/14844
7753 PR tree-optimization/19792
7754 PR tree-optimization/21608
7755 PR tree-optimization/27090
7756 * tree-ssa-pre.c (try_combine_conversion): New function.
7757 (compute_avail): After constructing the value-handle
7758 expression, use try_combine_conversion to combine NOP_EXPRs
7759 with previous value-handle expressions and use the result if it
7762 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7764 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7766 2006-05-04 Jan Hubicka <jh@suse.cz>
7769 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7771 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7773 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7774 that this only matches CONST_INTs. All users changed to VOIDmode
7777 * config/bfin/bfin.c: Include "optabs.h".
7778 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7780 (enum bfin_builtins): Add a number of fractional and vector builtins.
7781 (bfin_init_builtins): Likewise.
7782 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7783 (safe_vector_operand, bfin_expand_binop_builtin,
7784 bfin_expand_unop_builtin): New functions.
7785 (bfin_expand_builtin): Handle the new builtins.
7786 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7789 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7792 * Makefile.in (OBJS-common): Add see.o.
7793 (see.o): Add dependencies.
7794 * common.opt (fsee): New flag for the see optimization was added.
7795 * opts.c (flag_see): Initialized.
7796 * passes.c (init_optimization_passes, pass_see): New pass.
7797 * rtl.h (see_main): Declaration as extern.
7798 * timevar.def (TV_SEE): New.
7799 * tree-pass.h (pass_see): Declaration as extern.
7800 * invoke.texi (-fsee): Document.
7801 * recog.c (validate_simplify_insn): New function.
7802 * recog.h (validate_simplify_insn): Declaration as extern.
7803 * df-problems.c (df_chain_dump): Check for NULL.
7805 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7806 Daniel Berlin <dberlin@dberlin.org>
7808 * cfgrtl.c (insert_insn_bb_end_new): New function.
7809 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7811 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7813 * df.h (struct web_entry): Moved from web.c.
7814 (union_defs): Declaration as extern.
7815 (unionfind_root): Likewise.
7816 (unionfind_union): Likewise.
7817 * web.c (struct web_entry): Moved to df.h.
7818 (unionfind_root): Remove static declaration.
7819 (unionfind_union): Likewise.
7820 (union_defs): Likewise and generalize to use callback function.
7821 (web_main): Update arguments for union_defs function call.
7823 2006-05-04 Richard Guenther <rguenther@suse.de>
7825 PR tree-optimization/26447
7826 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7827 produce SSA_NAME copies before the store stmt to avoid
7828 breaking exception handling.
7830 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7833 * gimplify.c (omp_is_private): If var is shared in some outer context,
7834 return false instead of true. Stop searching on parallel context
7837 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7840 * coverage.c: Use get_gcov_unsigned_t() instead of
7841 unsigned_type_node all over.
7843 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7845 PR tree-optimization/27381
7846 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7847 maintain the same immediate_use links.
7848 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7849 node rather than segfaulting.
7851 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7854 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7855 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7856 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7858 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7860 Fix PR tree-optimization/26626
7861 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7863 * tree-ssa-operands.c (access_can_touch_variable): Allow
7864 typecasting through union pointers.
7866 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7869 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7870 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7871 to find if var will be a global variable even in the nested context.
7872 (omp_copy_decl): Only check for global variable at the end, it might
7873 be overridden in outer contexts.
7874 (scan_sharing_clauses): For global variables don't create a field.
7875 (lower_rec_input_clauses): Do nothing for global shared variables.
7876 Emit a barrier at the end of ILIST if there were any decls in both
7877 firstprivate and lastprivate clauses.
7878 (lower_send_clauses): Do nothing for global variables except for
7881 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7883 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7884 of the correct signedness is returned.
7886 2006-05-02 Jeff Law <law@redhat.com>
7888 PR tree-optimization/27364
7889 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7890 multiply expressions.
7892 2006-05-02 Tom Tromey <tromey@redhat.com>
7894 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7896 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7899 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7900 -mthumb -fPIC are used.
7902 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7903 Joshua Kinard <kumba@gentoo.org>
7906 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7907 with 64-bit pointers.
7909 2006-05-02 Paul Brook <paul@codesourcery.com>
7911 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7913 (create_fix_barrier): Check that a suitable barrier location is
7915 (arm_reorg): Include ftmp->address in allowable range of addresses.
7917 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7920 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7923 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7926 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7927 around RESULT_DECL for result passed by reference.
7928 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7929 * omp-low.c (use_pointer_for_field): Don't look at
7930 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7931 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7932 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7933 time or var for passing by reference for
7934 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7935 TREE_ADDRESSABLE variables when passing by reference.
7937 * omp-low.c (dump_omp_region): Fix output formatting.
7940 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7941 (expand_omp_parallel): Likewise.
7942 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7945 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7946 on statement list containing also constructors and destructors.
7947 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7950 * except.c (duplicate_eh_regions): Fix clearing of
7951 cfun->eh->region_array entries.
7953 2006-05-01 DJ Delorie <dj@redhat.com>
7955 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7957 (gcc_cv_objdump): Likewise.
7958 * configure: Regenerated.
7960 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7963 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7964 templates for case 3 and 4.
7966 2006-05-01 DJ Delorie <dj@redhat.com>
7968 * vec.c: Include bconfig.h when appropriate.
7969 * Makefile.in (build/vec.o): Adjust dependencies.
7970 * mkconfig.sh: Make sure config.h isn't used for build machine
7973 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7975 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7977 (mark_phi_for_rewrite): New function.
7978 (insert_phi_nodes_for, mark_use_interesting): Call
7979 mark_phi_for_rewrite.
7980 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7981 (update_ssa): Initialize and free phis_to_rewrite.
7983 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7985 PR rtl-optimization/27291
7986 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7987 folded to a constant.
7989 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7991 PR tree-optimization/27283
7992 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7993 not whole # of iteration descriptions.
7994 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7995 uses abnormal ssa name.
7996 (niter_for_single_dom_exit): Ditto.
7997 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7998 return just the number of iterations.
8000 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8002 PR tree-optimization/27144
8003 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
8004 (record_estimate): Only record constant upper bound.
8005 (infer_loop_bounds_from_undefined): Call
8006 compute_estimated_nb_iterations just once.
8007 (proved_non_wrapping_p): Renamed to ...
8008 (n_of_executions_at_most): ... this. Expect bound to be a constant.
8009 (convert_step_widening, scev_probably_wraps_p): Call
8010 n_of_executions_at_most instead of proved_non_wrapping_p.
8011 (substitute_in_loop_info): Do not replace values in bounds.
8012 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
8015 2006-05-01 Richard Henderson <rth@redhat.com>
8018 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
8019 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
8022 2006-05-01 Roger Sayle <roger@eyesopen.com>
8024 * c-typeck.c (parser_build_binary_op): Don't call the function
8025 unsigned_conversion_warning to spot operand/result type overflow.
8026 (build_binary_op): Instead, call convert_and_check instead of
8027 convert to report the problem when the operands are promoted.
8028 * c-common.c (unsigned_conversion_warning): Make static.
8029 * c-common.h (unsigned_conversion_warning): Delete prototype.
8031 2006-05-01 Richard Guenther <rguenther@suse.de>
8033 PR tree-optimization/26726
8034 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
8036 (find_interesting_uses_address): ... we work around here
8037 by folding INDIRECT_REFs in the substituted base.
8039 2006-05-01 Diego Novillo <dnovillo@redhat.com>
8041 * omp-low.c (dump_omp_region): Add newlines.
8043 2006-04-30 Roger Sayle <roger@eyesopen.com>
8045 * common.opt (Woverflow): New command line option.
8046 * c-common.c (constant_expression_warning): Check warn_overflow.
8047 (overflow_waring): Pass OPT_Woverflow to warning.
8048 (unsigned_conversion_warning): Likewise.
8049 (convert_and_check): Likewise.
8050 * doc/invoke.texi: Document new command line option.
8052 2006-04-30 David Edelsohn <edelsohn@gnu.org>
8054 * config/rs6000/rs6000.c (rs6000_override_options): Enable
8055 TARGET_NO_FP_IN_TOC for section anchors.
8056 (optimization_options): Enable section anchors for all
8057 non-"Objective" languages.
8059 2006-04-28 Eric Christopher <echristo@apple.com>
8061 * config/darwin-c.c (darwin_ms_struct): Move this
8062 (darwin_set_default_type_attributes): and this...
8063 * config/darwin.c: ... here.
8064 * config/darwin.h (darwin_ms_struct): Declare.
8066 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
8068 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
8070 2006-04-28 Roger Sayle <roger@eyesopen.com>
8073 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
8074 (push_array_bounds): Delete prototype. Change BOUNDS argument to
8075 an unsigned HOST_WIDE_INT.
8076 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
8078 (really_start_incremental_init): No need to call convert because
8079 bitsize_zero_node is already of type bitsizetype.
8080 (push_init_level): Extract the value of constructor_index as an
8081 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
8082 (process_init_element): Likewise.
8084 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
8086 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
8087 value before passing to make_relative_prefix.
8089 2006-04-28 Alan Modra <amodra@bigpond.net.au>
8092 * builtins.c (expand_builtin_memset): Expand val in original mode.
8094 2006-04-27 Eric Christopher <echristo@apple.com>
8096 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
8097 with #ifndef/#endif.
8098 * config/darwin-c.c (darwin_ms_struct): New.
8099 (darwin_pragma_ms_struct): Ditto.
8100 (darwin_set_default_type_attributes): Ditto.
8101 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
8102 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
8103 Register ms_struct pragma.
8104 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
8105 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
8106 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
8107 darwin_set_default_type_attributes if TARGET_MACHO.
8109 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
8111 PR tree-optimization/26854
8112 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
8113 * doc/tree-ssa.texi: Update immuse iterator documentation.
8114 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
8115 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
8116 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
8117 first_safe_imm_use, next_safe_imm_use): Remove.
8118 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
8119 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
8120 (move_use_after_head): New. Helper function to sort immuses in a stmt.
8121 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
8122 (first_imm_use_stmt): New. Get first stmt in an immuse list.
8123 (next_imm_use_stmt): New. Get next stmt in an immuse list.
8124 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
8125 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
8126 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
8127 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
8128 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
8129 (perfect_nestify): Use new iterator.
8130 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
8132 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
8133 (next_imm_name): New field in struct immediate_use_iterator_d.
8134 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
8135 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
8136 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
8137 * tree-cfg.c (replace_uses_by): Use new iterator.
8138 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
8139 * tree-ssa-operands.c (correct_use_link): Remove.
8140 (finalize_ssa_use_ops): No longer call correct_use_link.
8142 2006-04-27 Stuart Hastings <stuart@apple.com>
8144 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
8145 * config/t-darwin (crt3.o): Use it.
8146 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
8147 'pmode', use Pmode instead of SImode for SYMBOL_REF.
8148 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
8149 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
8150 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
8153 2006-04-27 Roger Sayle <roger@eyesopen.com>
8155 * expmed.c (store_fixed_bit_field): If we're not optimizing for
8156 size, force the intermediate into a new pseudo rather instead of
8157 performing both a bitwise AND and a bitwise IOR in memory.
8159 2006-04-27 Richard Guenther <rguenther@suse.de>
8161 PR rtl-optimization/26685
8162 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
8163 this one "max-flow-memory-locations".
8165 2006-04-27 Richard Guenther <rguenther@suse.de>
8167 PR tree-optimization/25148
8168 * tree-vrp.c (compare_values): Remove code dealing with
8169 comparisons against type min/max value. Honour overflow
8170 and negative constants in code dealing with comparisons
8171 of plus and minus expressions.
8172 (value_inside_range): Use fold_binary with LE_EXPR and
8173 GE_EXPR rather than compare_values.
8175 2006-04-27 Dirk Mueller <dmueller@suse.de>
8177 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
8180 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
8182 * basic-block.h (safe_insert_insn_on_edge): Removed.
8183 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
8185 2006-04-26 David Edelsohn <edelsohn@gnu.org>
8186 Paolo Bonzini <bonzini@gnu.org>
8189 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
8190 (simplify_and_const_int): Same.
8192 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
8194 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
8196 2006-04-26 Jakub Jelinek <jakub@redhat.com>
8199 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
8200 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
8201 cgraph_global_info_ready.
8204 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
8207 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
8208 either decl or init is error_mark_node.
8211 * tree-flow.h (struct omp_region): Add sched_kind.
8212 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
8213 instead of extracting omp for data.
8214 (expand_omp_for): Save extracted sched_kind.
8216 2006-04-25 Roger Sayle <roger@eyesopen.com>
8218 * expmed.c (store_bit_field): Also check whether the bitsize is
8219 valid for the machine's "insv" instruction before moving the
8220 target into a pseudo for use with the insv.
8221 * config/i386/predicates.md (const8_operand): New predicate.
8222 * config/i386/i386.md (extv, extzv, insv): Use the new
8223 const8_operand predicate where appropriate.
8225 2006-04-25 DJ Delorie <dj@redhat.com>
8227 * doc/install.texi (Specific): Clarify that this is not a list of
8228 supported hosts or targets.
8230 2006-04-25 Richard Sandiford <richard@codesourcery.com>
8232 PR rtl-optimization/26725
8233 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
8234 block's BB_DIRTY flag.
8236 2006-04-25 Geoffrey Keating <geoffk@apple.com>
8238 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
8241 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
8242 to print an integer.
8244 2006-04-25 David Edelsohn <edelsohn@gnu.org>
8246 * varasm.c (align_variable): New function.
8247 (get_block_for_decl): Apply align_variable to DECL before
8248 calculating section information.
8249 (assemble_variable): Split out alignment computation.
8251 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
8253 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
8256 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
8258 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
8259 MODE_PARTIAL_INT mode.
8260 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
8261 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
8263 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
8264 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
8266 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
8268 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
8270 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
8271 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
8272 MACFLAG_IH): Likewise.
8273 (movstricthi_1): Renamed from "*movstricthi".
8274 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
8275 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
8276 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
8277 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
8278 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
8279 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
8280 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
8281 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
8282 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
8283 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
8284 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
8285 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
8286 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
8287 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
8288 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
8290 * doc/rtl.texi (ss_ashift): Improve wording.
8292 2006-04-24 Geoffrey Keating <geoffk@apple.com>
8294 * dwarf2out.c (verify_marks_clear): New.
8295 (prune_unused_types): Call verify_marks_clear initially, not
8298 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
8300 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
8301 * doc/rtl.texi: Document them.
8302 * simplify-rtx.c (simplify_unary_operation,
8303 simplify_binary_operation_1): Don't abort when we see them.
8305 2006-04-24 Mark Mitchell <mark@codesourcery.com>
8308 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8309 * configure.ac: Completely disregard languages that are not
8311 * configure: Regenerated.
8313 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8314 Richard Guenther <rguenther@suse.de>
8316 PR tree-optimization/27236
8317 * tree-inline.c (copy_body_r): Make sure to copy
8318 TREE_THIS_VOLATILE flag.
8320 2006-04-24 Richard Guenther <rguenther@suse.de>
8323 * tree-complex.c (update_parameter_components): Don't handle
8324 unused parameters which have no default def.
8326 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8327 Richard Guenther <rguenther@suse.de>
8329 PR tree-optimization/27218
8330 * tree-inline.c (expand_call_inline): Strip useless type
8331 conversions for the return slot address.
8333 2006-04-24 Richard Guenther <rguenther@suse.de>
8335 * cfgloop.h (struct loops): Remove unused field array. Reorder
8337 (LOOP_PREFETCH): Remove.
8339 2006-04-24 Richard Guenther <rguenther@suse.de>
8341 PR tree-optimization/22525
8342 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
8343 variable, adjust types of generated expressions.
8345 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
8347 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
8348 (tree-vect-patterns.o): Likewise.
8350 (cselib.o): Likewise.
8351 (loop-doloop.o): Likewise.
8352 (regclass.o): Likewise.
8353 (reload1.o): Likewise.
8354 (explow.o): Replace target.h with $(TARGET_H).
8355 (ipa-prop.o): Likewise.
8356 (ipa-cp.o): Likewise.
8357 (ipa-inline.o): Likewise.
8358 (reorg.o): Likewise.
8359 (reg-stack.o): Likewise.
8361 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8363 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
8365 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8367 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
8369 * configure.ac: Completely disregard languages that are not
8371 * configure: Regenerated.
8374 * c-common.h (c_build_bitfield_integer_type): Declare.
8375 * c-decl.c (c_build_bitfield_integer_type): Move to ...
8376 * c-common.c (c_build_bitfield_integer_type): ... here.
8378 2006-04-23 Roger Sayle <roger@eyesopen.com>
8381 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
8382 a SImode SUBREG of a floating point register after no_new_pseudos.
8384 2006-04-23 Roger Sayle <roger@eyesopen.com>
8386 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
8387 identify potentially eliminable registers to additionally catch
8388 VIRTUAL_INCOMING_ARGS_REGNUM.
8389 (addsi3): Update the conditions on when to use addsi_small_int.
8391 2006-04-23 Roger Sayle <roger@eyesopen.com>
8394 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
8395 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
8396 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
8398 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8400 * fold-const.c (range_predecessor): Use operand_equal_p
8401 as the predicate for equality.
8402 (range_successor): Likewise.
8404 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8407 * config/soft-fp/op-common.h: Fix a typo.
8409 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
8412 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
8413 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
8415 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8417 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
8419 * doc/tm.texi: Fix a typo.
8421 2006-04-21 Geoffrey Keating <geoffk@apple.com>
8423 * dwarf2out.c (struct die_struct): Document that die_sib makes
8424 a circular linked list.
8425 (FOR_EACH_CHILD): New.
8426 (reverse_die_lists): Delete.
8427 (reverse_all_dies): Delete.
8428 (add_dwarf_attr): Correct documentation.
8429 (remove_child_with_prev): New.
8430 (remove_child_TAG): Update for change to die_struct, use
8431 remove_child_with_prev.
8432 (add_child_die): Update for change to die_struct.
8433 (splice_child_die): Use remove_child_with_prev and add_child_die.
8434 (print_die): Use FOR_EACH_CHILD.
8435 (die_checksum): Likewise.
8436 (assign_symbol_names): Likewise.
8437 (output_location_lists): Likewise.
8438 (build_abbrev_table): Likewise.
8439 (calc_die_sizes): Likewise.
8440 (mark_dies): Likewise.
8441 (unmark_dies): Likewise.
8442 (unmark_all_dies): Likewise.
8443 (output_die): Likewise.
8444 (prune_unused_types_mark): Likewise.
8445 (prune_unused_types_walk): Likewise.
8446 (same_die_p): Update for change to die_struct.
8447 (break_out_includes): Likewise.
8448 (prune_unused_types_prune): Likewise.
8449 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
8450 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
8452 (dwarf2out_finish): Don't call reverse_all_dies.
8454 2006-04-21 Eric Christopher <echristo@apple.com>
8456 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
8457 in comments and function names.
8459 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8462 * c-typeck.c (digest_init): Robustify.
8464 * c-typeck.c (pop_init_level): Simplify.
8466 2006-04-21 Steve Ellcey <sje@cup.hp.com>
8468 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
8470 2006-04-21 Paul Brook <paul@codesourcery.com>
8472 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
8473 hardware floating point.
8475 2006-04-21 David Edelsohn <edelsohn@gnu.org>
8477 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
8480 2006-04-21 Nick Clifton <nickc@redhat.com>
8482 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
8485 2006-04-21 Alan Modra <amodra@bigpond.net.au>
8488 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
8489 C++ lang type in traceback table for Objective-C++.
8491 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
8493 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
8495 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
8497 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8500 * tree-mudflap.c (mudflap_finish_file): Skip function when there
8501 were errors. Remove check for erroneous objects.
8503 2006-04-20 Jeff Law <law@redhat.com>
8505 PR tree-optimization/26854
8506 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
8507 checking for zero or one use.
8508 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
8509 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
8510 * tree-ssa-reassoc.c (negate_value): Similarly.
8511 (reassociate_bb): Similarly.
8513 2006-04-20 Jakub Jelinek <jakub@redhat.com>
8515 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
8516 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
8517 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
8519 2006-04-20 Alan Modra <amodra@bigpond.net.au>
8521 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
8522 fp regs if the last fp arg doesn't fit in regs.
8524 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
8527 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
8528 that the last insn has the REG_INC note.
8530 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
8531 Nathan Sidwell <nathan@codesourcery.com>
8534 * stor-layout.c (update_alignment_for_field): Do not align
8536 (place_union_field): Place union field at the start of the union.
8537 (place_field): Move ERROR_MARK check later, and use the current
8538 allocation position to maintain monotonicity.
8540 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
8542 * dominance.c: Include timevar.h.
8543 (calculate_dominance_info): Use TV_DOMINANCE.
8544 * timevar.def (TV_DOMINANCE): New timevar.
8545 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
8547 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8549 PR rtl-optimization/14261
8550 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
8551 move would be an INSV insn.
8552 (noce_process_if_block): Don't optimize if the destination is a
8553 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
8555 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8557 * config/s390/s390.md: Add comments with the instructions emitted
8558 by an insn pattern if macros are used.
8560 2006-04-19 Alan Modra <amodra@bigpond.net.au>
8562 PR rtl-optimization/26026
8563 * fold-const.c (fold_binary): Optimize div and mod where the divisor
8564 is a known power of two shifted left a variable amount.
8566 2006-04-18 Geoffrey Keating <geoffk@apple.com>
8568 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
8569 to hash table twice when the debug_str section has SECTION_MERGE.
8571 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
8573 * config/soft-fp: New directory. From glibc.
8574 * config/soft-fp/t-softfp: New.
8575 * config/soft-fp/README: New.
8576 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
8577 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
8578 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
8579 (LIBGCC_DEPS): Add $(SFP_MACHINE).
8580 * config.gcc: Use rs6000/t-fprules-fpbit or
8581 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
8583 * config/rs6000/sfp-machine.h: New. Based on glibc.
8584 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
8586 * config/rs6000/t-fprules: Remove fp-bit rules.
8587 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
8588 * config/rs6000/t-linux64: Likewise. Remove duplicates from
8589 LIB2FUNCS_EXTRA. Remove fp-bit rules.
8590 (softfp_wrap_start, softfp_wrap_end): New.
8592 2006-04-18 DJ Delorie <dj@redhat.com>
8594 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
8596 2006-04-18 Devang Patel <dpatel@apple.com>
8598 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
8600 2006-04-18 Nick Clifton <nickc@redhat.com>
8602 * config/sh/t-symbian: Add rule to build sh-c.o
8603 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
8604 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
8605 (sh_symbian_encode_section_info): Likewise.
8607 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
8609 * builtins.c (expand_builtin_strcmp): Cover label definition of
8610 do_libcall with HAVE_cmpstrnsi.
8612 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
8614 * function.c (temp_slots_at_level, max_slot_level): Use VEC
8616 * function.h (temp_slot_p): New.
8617 (function): Change the type of x_used_temp_slots to
8618 VEC(temp_slot_p,gc) *.
8620 2006-04-18 Nick Clifton <nickc@redhat.com>
8622 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
8623 flag_strength_reduce.
8625 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
8627 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8631 Partial revert of revision 112637
8632 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8633 Dale Johannesen <dalej@apple.com>
8636 * regclass.c (struct reg_pref): Update documentation.
8637 (regclass): Set prefclass to NO_REGS if memory is the best option.
8638 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8640 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8642 PR tree-optimization/26821
8643 * tree-ssa-math-opts.c (get_constant_one): New.
8644 (insert_reciprocals): Use it.
8646 2006-04-17 Geoffrey Keating <geoffk@apple.com>
8648 * dwarf2out.c (free_AT): Delete.
8649 (remove_AT): Update string ref counts.
8650 (remove_child_TAG): Don't call free_die.
8652 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8653 or DW_TAG_GNU_EINCL.
8654 (prune_unused_types_walk_attribs): Reset string refcounts.
8655 (prune_unused_types_update_strings): New.
8656 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8657 call free_die. Do call prune_unused_types_update_strings.
8658 (prune_unused_types): Empty debug_str_hash.
8660 2006-04-17 Roger Sayle <roger@eyesopen.com>
8662 * expr.c (expand_assignment): Optimize away no-op moves where the
8663 source and destination are equal and have no side-effects.
8665 2006-04-17 Richard Guenther <rguenther@suse.de>
8668 * reload.c (push_reload): Guard calls to get_secondary_mem
8671 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
8673 * alias.c (reg_base_value, old_reg_base_value): Change the
8674 type to VEC(rtx,gc) *.
8675 (REG_BASE_VALUE, find_base_value, record_set,
8676 init_alias_analysis): Use VEC instead of VARRAY.
8678 * alias.c (alias_sets): Change the type to
8679 VEC(alias_set_entry,gc) *.
8680 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8681 VEC instead of VARRAY.
8682 (last_alias_set): Remove.
8684 * cgraph.h (cgraph_edge_p): New.
8685 Update the prototype of cgraph_function_versioning.
8686 * cgraphunit.c (cgraph_copy_node_for_versioning,
8687 cgraph_function_versioning): Use VEC instead of VARRAY.
8688 * ipa-cp.c (ipcp_insert_stage): Likewise.
8690 2006-04-16 Roger Sayle <roger@eyesopen.com>
8693 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8694 "A op B" or "A op C", we may need to convert A to the type of B and C.
8696 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
8698 * target.h (struct gcc_target): Add mode_rep_extended.
8699 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8700 (init_num_sign_bit_copies_in_rep): Initialize it using
8702 (truncate_to_mode): Use it.
8703 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8704 * targhooks.h (default_mode_rep_extended): Declare it.
8705 * targhooks.c (default_mode_rep_extended): Define it.
8706 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8707 default_mode_rep_extended.
8708 (TARGET_INITIALIZER): Include it.
8709 * doc/tm.texi (Misc): Document it.
8710 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8711 (mips_truncated_to_mode): New function.
8713 2006-04-16 Roger Sayle <roger@eyesopen.com>
8716 * expr.c (compress_float_constant): Copy the narrow constant into
8717 a new pseudo before extending it to its final width.
8719 2006-04-16 Roger Sayle <roger@eyesopen.com>
8720 Andrew Pinski <pinskia@gcc.gnu.org>
8721 Dale Johannesen <dalej@apple.com>
8724 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8725 special case code to implement V8HImode and V16QImode with SSE2.
8727 2006-04-15 Roger Sayle <roger@eyesopen.com>
8729 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8730 trees are constructed with a suitable tree type.
8732 2006-04-15 Roger Sayle <roger@eyesopen.com>
8734 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8735 (integer_onep): Likewise.
8736 (integer_all_onesp): Likewise.
8737 (integer_pow2p): Likewise.
8738 (integer_nonzerop): Likewise.
8739 (real_zerop): Likewise.
8740 (real_onep): Likewise.
8741 (real_twop): Likewise.
8742 (real_minus_onep): Likewise.
8743 (int_size_in_bytes): Likewise.
8744 (host_integerp): Likewise.
8746 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8748 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8749 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8750 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8752 * tree-ssa-structalias.h (alias_info): Remove num_references.
8754 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8756 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8757 (output_bvb patterns): Likewise.
8758 * pa.c (output_bb): Use 'bb' insn for long branch case.
8759 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8760 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8761 1. Correct length operand for alternatives 1 and 2.
8762 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8763 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8765 2006-04-14 Roger Sayle <roger@eyesopen.com>
8767 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8768 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8769 were accidentally reverted by r112959.
8771 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8774 * except.h (eh_region_outermost): New prototype.
8775 * except.c (eh_region_outermost): New function.
8776 * tree-cfg.c (find_outermost_region_in_block): Use it.
8778 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8780 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8782 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8783 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8784 (init_reload, reload): Use VEC instead of VARRAY.
8785 * reload.h: Update the prototype for
8786 reg_equiv_memory_loc_varray.
8788 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8789 Eric Botcazou <ebotcazou@libertysurf.fr>
8791 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8794 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8797 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8798 to expand fallback builtin function call.
8800 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8803 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8804 and emit libcall here in case the builtin fails.
8805 (expand_builtin_strcmp): Always emit the libcall here on failure.
8807 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8809 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8810 * flow.c (reg_n_info): Change the type to
8811 VEC(reg_info_p,heap) *.
8812 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8814 * regs.h (reg_info_p): New.
8815 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8816 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8817 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8820 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8822 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8824 * params.h (MAX_SCHED_READY_INSNS): New macro.
8825 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8826 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8827 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8828 the ready list for 1 cycle during the first scheduling pass.
8829 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8831 2006-04-13 Richard Henderson <rth@redhat.com>
8834 * gimple-low.c (lower_omp_directive): Remove dead code.
8835 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8836 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8837 * omp-low.c (struct omp_region): Move to tree-flow.h.
8838 (root_omp_region): Export.
8839 (omp_regions, lookup_omp_region): Remove.
8840 (determine_parallel_type): Update for struct omp_region changes.
8841 (dump_omp_region): Dump regions with block numbers.
8842 (new_omp_region): Take type and block instead of stmt; malloc
8844 (free_omp_region_1, free_omp_regions): New.
8845 (expand_parallel_call): Take entry_stmt as argument; update for
8846 changes to omp_region.
8847 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8848 (remove_exit_barriers): New.
8849 (expand_omp_parallel): Update for struct omp_region changes.
8850 (expand_omp_synch): Likewise.
8851 (expand_omp): Likewise.
8852 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8853 (expand_omp_for_static_chunk): Likewise.
8854 (expand_omp_for): Likewise.
8855 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8856 (expand_omp_sections): Similarly, with GOMP_sections_end.
8857 (expand_omp_single): New.
8858 (build_omp_regions_1): Update for OMP_CONTINUE.
8859 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8860 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8861 OMP_SECTIONS_SECTIONS.
8862 (lower_omp_single_simple): Don't emit barrier here.
8863 (lower_omp_single_copy): Likewise.
8864 (lower_omp_single): Fix bindings, and lower to straightline now.
8865 (lower_omp_master, lower_omp_ordered): Likewise.
8866 (lower_omp_critical): Likewise.
8867 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8868 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8869 omp edges, free it afterward.
8870 (make_omp_sections_edges): Remove.
8871 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8872 (move_stmt_r): Handle OMP_CONTINUE.
8873 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8874 statement pointers to basic blocks. Add type member.
8875 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8876 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8877 * tree-inline.c (estimate_num_insns_1): Likewise.
8878 * tree-pretty-print.c (dump_generic_node): Likewise.
8879 * tree-ssa-operands.c (get_expr_operands): Likewise.
8880 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8881 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8882 (OMP_CONTINUE): New.
8883 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8884 (OMP_SECTIONS_SECTIONS): Remove.
8885 (OMP_SECTION_LAST): New.
8886 (OMP_RETURN_NOWAIT): New.
8888 2006-04-13 Roger Sayle <roger@eyesopen.com>
8890 * fold-const.c (native_encode_vector, native_interpret_real):
8891 Correct obvious mistakes in the previous check-in.
8893 2006-04-13 Roger Sayle <roger@eyesopen.com>
8895 * fold-const.c (native_encode_expr): New function to encode
8896 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8897 or VECTOR_CST into a specified buffer.
8898 (native_encode_int): New function.
8899 (native_encode_real): New function.
8900 (native_encode_complex): New function.
8901 (native_encode_vector): New function.
8902 (native_interpret_expr): Inverse of native_encode_expr to convert
8903 a target representation into an INTEGER_CST, REAL_CST etc...
8904 (native_interpret_int): New function.
8905 (native_interpret_real): New function.
8906 (native_interpret_complex): New function.
8907 (native_interpret_vector): New function.
8908 (fold_view_convert_expr): New function to constant fold/evaluate
8909 a VIEW_CONVERT_EXPR of a suitable constant expression.
8910 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8911 Change call of build1 to fold_build1 when constructing a
8914 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8915 Ulrich Weigand <uweigand@de.ibm.com>
8918 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8921 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8924 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8925 optimize to lo_sum for DFmode if !TARGET_FPRS.
8927 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8929 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8930 delete_alias_info, compute_flow_sensitive_aliasing,
8931 group_aliases): Use VEC instead of VARRAY.
8932 * tree-ssa-structalias.c (update_alias_info): Likewise.
8933 * tree-ssa-structalias.h (alias_info): Change the type of
8934 processed_ptrs to VEC(tree,heap) *.
8936 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8939 * config/sh/lib1funcs.h: New file, broken out of:
8940 * config/sh/lib1funcs.asm.
8941 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8943 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8944 * config/sh/lib1funcs-Os-4-200.asm: New file.
8945 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8946 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8947 (EXTRA_MULTILIB_PARTS): Include it.
8948 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8949 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8950 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8951 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8954 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8956 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8957 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8958 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8960 * tree-ssa-live.h: Include vecprim.h.
8961 (tree_partition_associator_d): Change the type of
8962 first_partition to VEC(int,heap) *.
8963 (tpa_first_partition): Use VEC instead of VARRAY.
8965 * Makefile.in (GTFILES): Move functions.h after tree.h.
8966 * function.c (reset_block_changes, record_block_change,
8967 check_block_change, free_block_changes): Use VEC instead of
8969 * function.h (function): Change the type of
8970 ib_boundaries_block to VEC(tree,gc) *.
8971 * tree-inline.c (copy_cfg_body): Initialize
8972 ib_boundaries_block to NULL instead of (varray_type) 0.
8974 2006-04-12 Roger Sayle <roger@eyesopen.com>
8976 * expr.c (emit_group_store): Correct operand order in call to
8977 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8978 a SUBREG_BYTE of zero.
8980 2006-04-12 Richard Guenther <rguenther@suse.de>
8982 * profile.c (compute_branch_probabilities): Remove code
8983 encapsulated in !ir_type (), which are remanents of the
8984 removed RTL profiling code.
8985 * rtl-profile.c: Remove.
8987 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8989 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8990 magic NULL_RTX comment.
8991 (function_arg): Store entire fp arg to mem if any part should go
8993 (rs6000_arg_partial_bytes): Adjust for above change.
8995 2006-04-11 Roger Sayle <roger@eyesopen.com>
8997 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8998 if it hasn't been initialized by dwarf2out_init.
9000 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
9002 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
9003 symbolic constants in branch patterns.
9005 2006-04-11 Roger Sayle <roger@eyesopen.com>
9007 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
9009 2006-04-11 Richard Sandiford <richard@codesourcery.com>
9011 PR rtl-optimization/27073
9012 * gcse.c (try_replace_reg): Revert last change. Continue to search
9013 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
9016 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9018 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
9019 aggregate types other than record and union types.
9020 (function_arg): Likewise.
9021 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
9023 (function_value): In 64-bit mode, return objects that require it
9026 2006-04-11 Roger Sayle <roger@eyesopen.com>
9028 * dwarf2out.c (premark_used_types): Remove problematic prototype.
9030 2006-04-11 Jakub Jelinek <jakub@redhat.com>
9032 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
9034 2006-04-03 Jeff Law <law@redhat.com>
9037 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
9038 alias information too.
9040 2006-04-10 Mike Frysinger <vapier@gentoo.org>
9042 * Makefile.in (gcc-cross): Add $(exeext) to target name.
9044 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
9047 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
9048 (premark_used_types_helper): New.
9049 (premark_used_types): New.
9050 (gen_subprogram_die): Call premark_used_types.
9051 (prune_unused_types_walk): Do not prune perennial dies.
9052 * function.c (used_types_insert): New.
9053 * function.h (struct function): Add used_types_hash field.
9054 (used_types_insert): Add prototype.
9055 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
9056 * c-parser.c (c_parser_cast_expression): Save casted types in used
9059 2006-04-11 Mark Mitchell <mark@codesourcery.com>
9062 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
9063 rs6000_explicit_options.float_gprs.
9065 2006-04-10 Roger Sayle <roger@eyesopen.com>
9067 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
9068 from ix86_expand_vector_init_low_nonzero. Take an additional
9069 one_var argument indicating which element is non-zero. Support
9070 one_var != 0 for V4SFmode and V4SImode by permuting the result.
9071 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
9072 with one_var instead of ix86_expand_vector_init_low_nonzero.
9074 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
9076 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
9077 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
9078 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
9079 build/genextract.o): Depend on vecprim.h.
9080 * cfglayout.c, df-problems.c, function.c, genextract.c,
9081 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
9082 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
9086 2006-04-10 Geoffrey Keating <geoffk@apple.com>
9088 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
9089 Declare VECs of this type.
9090 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
9091 (remove_children): Delete.
9092 (add_dwarf_attr): Use VEC routines.
9093 (add_AT_flag): Update for changes to add_dwarf_attr.
9094 (add_AT_int): Likewise.
9095 (add_AT_unsigned): Likewise.
9096 (add_AT_long_long): Likewise.
9097 (add_AT_vec): Likewise.
9098 (add_AT_string): Likewise.
9099 (add_AT_die_ref): Likewise.
9100 (add_AT_fde_ref): Likewise.
9101 (add_AT_loc): Likewise.
9102 (add_AT_loc_list): Likewise.
9103 (add_AT_addr): Likewise.
9104 (add_AT_lbl_id): Likewise.
9105 (add_AT_lineptr): Likewise.
9106 (add_AT_macptr): Likewise.
9107 (add_AT_offset): Likewise.
9108 (add_AT_range_list): Likewise.
9109 (get_AT): Use VEC_iterate.
9110 (remove_AT): Use VEC_ordered_remove.
9111 (free_die): Fold remove_children into here; have it use VEC_iterate.
9112 (print_die): Use VEC_iterate on attrs.
9113 (reverse_die_lists): Don't reverse attr lists.
9114 (die_checksum): Use VEC_iterate on attrs.
9115 (same_die_p): Likewise.
9116 (output_location_lists): Likewise.
9117 (build_abbrev_table): Likewise.
9118 (size_of_die): Likewise.
9119 (unmark_all_dies): Likewise.
9120 (output_abbrev_section): Likewise.
9121 (output_die): Likewise.
9122 (prune_unused_types_walk_attribs): Likewise.
9124 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9126 * doc/install.texi (*-*-solaris2*): Point to the configure page.
9128 2006-04-10 Jakub Jelinek <jakub@redhat.com>
9131 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
9133 2006-04-09 Roger Sayle <roger@eyesopen.com>
9135 * expr.c (store_constructor): Don't bother clearing target if
9136 we're about to assign a vector to it using vec_init_optab.
9138 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
9140 * tree-ssa-alias.c (lhs_may_store_to): New function.
9141 (recalculate_used_alone): Handle LHS of calls.
9143 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9147 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
9148 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
9149 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
9150 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
9151 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
9152 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
9153 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
9154 stubs. Add ".align 8" directives before all ".dword" directives.
9155 (GTHREAD_USE_WEAK): Revise comment.
9156 (TARGET_ATTRIBUTE_WEAK): Define.
9157 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
9158 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
9159 * stublib.c: New file.
9164 * pa.md (cbranch patterns): Revise arguments used in calls to
9165 output_cbranch, output_bb and output_bvd. Add long branch length
9167 (fbranch patterns): Handle long branches.
9168 (jump): Revise length check. Revise arguments for output_lbranch call.
9169 Add long branch length attributes.
9170 (decrement_and_branch_until_zero): Add long branch length attributes.
9171 (output_movb, output_parallel_addb and output_parallel_movb patterns):
9172 Likewise. Revise arguments for output_parallel_addb and
9173 output_parallel_movb calls.
9174 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
9175 output_parallel_movb and output_parallel_addb): Update prototypes.
9176 * pa.c (output_cbranch): Revise arguments. Correct handling of
9177 nullification in long branches.
9178 (output_lbranch): Add new argument to control extraction of delay
9180 (output_bb): Handle long branches.
9181 (output_bvb, output_dbra, output_movb, output_parallel_movb,
9182 output_parallel_addb): Likewise.
9184 2006-04-09 Richard Sandiford <richard@codesourcery.com>
9186 PR rtl-optimization/27073
9187 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
9190 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
9192 * tree.h (tree_memory_tag): Add old_used_alone.
9193 (SMT_OLD_USED_ALONE): New macro.
9194 * tree-ssa-alias.c (recalculate_used_alone): Stop
9195 marking things for renaming unnecessarily.
9197 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
9199 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
9200 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
9201 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
9202 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
9203 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
9204 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
9205 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
9206 spelling convensions.
9207 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
9208 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
9209 typos. Follow spelling conventions.
9211 2006-04-07 DJ Delorie <dj@redhat.com>
9213 * config/m32c/m32c.c (m32c_function_arg): Structures are always
9214 passed on the stack.
9215 (m32c_init_cumulative_args): When a function returns a structure,
9216 always pass the pointer to that return area on the stack.
9217 (m32c_function_arg_advance): Don't increment the parameter number
9218 if we're processing the returned structure pointer.
9219 (pushm_info): Reverse order of registers.
9221 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
9223 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
9224 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9225 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
9226 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
9228 * tree-chrec.c (chrec_fold_multiply_poly_poly,
9229 chrec_fold_multiply): Same.
9230 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
9231 force_expr_to_var_cost): Same.
9232 * tree-mudflap.c (mf_xform_derefs_1): Same.
9233 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
9235 2006-04-07 David Edelsohn <edelsohn@gnu.org>
9237 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
9238 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
9241 2006-04-07 Jan Hubicka <jh@suse.cz>
9243 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
9245 2006-04-07 Richard Guenther <rguenther@suse.de>
9247 PR tree-optimization/26135
9248 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
9249 loads for store copy-prop.
9250 (copy_prop_visit_stmt): Likewise.
9252 2006-04-05 Robert Millan <robertmh@gnu.org>
9254 * config/i386/linux.h: Add a comment to mark macros that are
9255 being overriden in config/k*bsd-gnu.h.
9256 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
9258 * config/knetbsd-gnu.h: Ditto.
9260 2006-04-06 Jan Hubicka <jh@suse.cz>
9264 * coverage.c (coverage_checksum_string): Reorganize loop to not read
9267 2006-04-06 Mike Stump <mrs@apple.com>
9269 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
9270 for HAVE_nonlocal_goto to be consistent.
9271 (expand_builtin_nonlocal_goto): Likewise.
9272 (expand_builtin_strcmp): Use #ifdef instead of #if
9273 for HAVE_cmpstrnsi to be consistent.
9275 2006-04-05 DJ Delorie <dj@redhat.com>
9277 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
9280 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
9282 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
9283 got-relative addressing for anything but SImode.
9285 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
9286 even if the calling function doesn't modify them.
9288 2006-04-05 Richard Guenther <rguenther@suse.de>
9290 PR tree-optimization/26919
9291 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
9292 to cgraph_estimate_size_after_inlining.
9294 2006-04-05 Alan Modra <amodra@bigpond.net.au>
9296 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
9298 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
9300 PR tree-optimization/26996
9301 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
9302 VECTOR_TYPE variables.
9304 2006-04-05 Richard Guenther <rguenther@suse.de>
9306 PR tree-optimization/26763
9307 * fold-const.c (fold_comparison): Move folding of
9308 PTR + CST CMP PTR + CST ...
9309 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
9311 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
9313 * doc/install.texi (Prerequisites): Refine some wording on
9314 bootstrapping and ksh.
9315 Move the version numbers of DejaGnu here from the testing section
9316 and fix casing of names.
9317 Fix markup and clarify wording for autogen requirements.
9318 Refer to GCJ instead of just java.
9319 Refer to SVN instead of CVS.
9320 Describe diffutils as useful instead of necessary.
9321 (Downloading the source): Refer to SVN instead of CVS.
9322 Adjust a link to our web site accordingly.
9323 (Configuration): Fix casing of Bison.
9324 (Building): Refer to SVN instead of CVS.
9325 Fix a sentence on the use of Bison and remove duplicate (and
9326 incorrect) version number of Bison requirement.
9327 Remove one redundant list of packages needed for building.
9328 (Specific): Avoid reference to CVS.
9330 2006-04-04 Eric Christopher <echristo@apple.com>
9332 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
9333 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
9334 (rs6000_handle_struct_attribute): New.
9335 (rs6000_ms_bitfield_layout_p): Ditto.
9337 2006-04-04 Geoffrey Keating <geoffk@apple.com>
9339 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
9340 NULL for dso parameter to atexit_common.
9342 2006-04-04 Eric Christopher <echristo@apple.com>
9344 * config/i386/i386.c (machopic_output_stub): Output \t
9345 between instructions and operands.
9347 2006-04-04 David Edelsohn <edelsohn@gnu.org>
9349 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
9350 satisfies_constraint_[IL] to explicit tests on value.
9352 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
9354 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9355 set_nb_iterations_in_loop): Use build_int_cst instead of
9357 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
9358 build_int_cst instead of convert.
9360 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
9362 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
9363 new value 2 for incoming.
9364 * function.c (expand_function_start): Call struct_value_rtx
9366 * config/sparc/sparc.md: Comment updated_return.
9367 * config/sparc/sparc.opt: Add -mstd-struct-return option.
9368 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
9369 struct return if sparc_std_struct_return and incoming is 2.
9370 (print_operand): Do not adjust return if
9371 sparc_std_struct_return.
9373 2006-04-04 Roger Sayle <roger@eyesopen.com>
9375 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
9376 convert in the middle-end.
9377 * expr.c (store_expr, store_constructor, get_inner_reference,
9378 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
9380 * tree.c (build_range_type): Likewise.
9382 2006-04-04 Tom Tromey <tromey@redhat.com>
9384 * doc/install.texi (Prerequisites): Mention jar.
9386 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
9388 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
9391 2006-04-04 Matthias Klose <doko@debian.org>
9393 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
9397 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
9400 2006-04-03 Geoffrey Keating <geoffk@apple.com>
9402 * doc/extend.texi (Function Attributes): Rewrite visibility
9403 attribute documentation.
9404 * doc/invoke.texi (C++ Dialect Options): Rewrite
9405 -fvisibility-inlines-hidden documentation to describe something
9406 entirely different, although in practise compatible.
9407 (Code Gen Options): Warn about system headers in -fvisibility=
9410 * doc/extend.texi (Other Builtins): Document that
9411 __builtin_nan is a compile-time constant only when its argument
9414 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
9416 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
9417 trying to remove TRUNCATE check if all bits outside the new mode
9418 are identical to the sign bit.
9420 2006-04-03 Jeff Law <law@redhat.com>
9422 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
9423 and operand scanning in some common cases.
9425 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9426 Dale Johannesen <dalej@apple.com>
9429 * regclass.c (struct reg_pref): Update documentation.
9430 (regclass): Set prefclass to NO_REGS if memory is the best option.
9431 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9432 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
9433 into account. For non-registers, equate an empty preferred
9434 reload class to a `!' in the constraint; move the if clause to
9435 do so after those that reject the insn.
9436 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
9438 (find_dummy_reload): Likewise.
9439 * doc/tm.texi (Register Classes): Document what it means
9440 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
9441 * config/i386/i386.c (ix86_preferred_reload_class): Force
9442 using SSE registers (and return NO_REGS for floating-point
9443 constants) if math is done with SSE.
9444 (ix86_preferred_output_reload_class): New.
9445 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
9446 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
9447 * config/i386/i386.md: Remove # register preferences.
9449 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9452 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9453 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
9454 the type of nb_iter.
9455 (instantiate_parameters_1): Convert the operands before calling
9456 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
9457 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
9459 2006-04-02 Roger Sayle <roger@eyesopen.com>
9461 * builtins.c (dummy_object): Use build_int_cst instead of convert.
9462 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
9464 * dojump.c (do_jump): Likewise.
9465 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
9466 * gimplify.c (gimple_boolify, gimplify_init_constructor,
9467 gimplify_boolean_expr): Likewise.
9468 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
9469 * varasm.c (array_size_for_constructor): Likewise.
9470 * tree-object-size.c (compute_object_offset): Likewise.
9472 2006-04-02 Roger Sayle <roger@eyesopen.com>
9475 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
9476 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
9478 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9480 PR tree-optimization/26939
9481 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
9483 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9485 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
9486 at_stmt. Convert the type of operands before calling
9487 build_polynomial_chrec.
9488 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
9490 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
9491 (instantiate_parameters_1): Convert the type of operands before calling
9492 build_polynomial_chrec.
9493 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
9494 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
9495 reset_evolution_in_loop): Insert asserts to check the types of the
9497 (chrec_type): Moved...
9498 (eq_evolutions_p): Use operand_equal_p.
9499 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
9500 the types of the operands.
9501 (chrec_type): ...here.
9502 * tree-data-ref.c (create_data_ref): Convert the operands before
9503 calling chrec_replace_initial_condition.
9504 (same_access_functions, analyze_subscript_affine_affine,
9505 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
9506 (compute_subscript_distance, analyze_ziv_subscript,
9507 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
9508 analyze_miv_subscript): Convert the operands before calling
9509 chrec_fold_minus or chrec_fold_plus.
9511 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9513 * tree-data-ref.c (compute_all_dependences): Use a pointer to
9514 the dependence_relations vector.
9515 (compute_data_dependences_for_loop): Adjust call to
9516 compute_all_dependences.
9518 2006-04-01 Roger Sayle <roger@eyesopen.com>
9519 Richard Henderson <rth@redhat.com>
9521 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
9522 gimple_boolify on the condition before calling gimplify_expr.
9524 2006-03-31 Bob Wilson <bob.wilson@acm.org>
9526 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
9527 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
9528 the frame size. Update to use the new macros.
9529 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
9530 * config/xtensa/ieee754-df.S: Likewise.
9532 2006-03-31 Richard Henderson <rth@redhat.com>
9534 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
9535 (make_edges): ... here. Control fallthru creation with a local
9536 variable. Do not play with fake edges.
9537 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
9538 (make_goto_expr_edges): Don't play with fake edges. Make for_call
9541 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
9543 * dwarf2.h (DW64_CIE_ID): Define.
9544 * dwarf2out.c (DWARF_CIE_ID): Define.
9545 (output_call_frame_info): Output 0xffffffff before standard 8-byte
9546 length header. Use DWARF_CIE_ID.
9547 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
9548 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
9550 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
9552 * config/sh/linux-atomic.asm: New file.
9553 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
9555 2006-03-31 DJ Delorie <dj@redhat.com>
9557 * config/m32c/cond.md: Set condition flags properly throughout.
9558 * config/m32c/minmax.md: Likewise.
9559 * config/m32c/prologue.md: Likewise.
9560 * config/m32c/bitops.md: Likewise.
9561 * config/m32c/muldiv.md: Likewise.
9562 * config/m32c/mov.md: Likewise.
9563 * config/m32c/addsub.md: Likewise.
9564 * config/m32c/m32c.md: Likewise.
9565 * config/m32c/jump.md: Likewise.
9566 * config/m32c/shift.md: Likewise.
9568 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
9569 conditionally output the pattern for this.
9570 * config/m32c/m32c.c (flags_needed_for_conditional): New.
9571 (m32c_compare_redundant): New.
9572 (m32c_output_compare): New.
9573 * config/m32c/m32c-protos.h (m32c_output_compare): New.
9575 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
9576 dest, not src. Allow other 4-byte modes.
9578 2006-03-30 Denis Chertykov <denisc@overta.ru>
9580 * doc/md.texi: Refer to avr/constraints.md instead of
9583 2006-03-30 Roger Sayle <roger@eyesopen.com>
9585 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
9586 signed vs. unsigned comparison failures on some hosts.
9588 2006-03-31 Alan Modra <amodra@bigpond.net.au>
9591 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
9592 change to FLOAT_REGS.
9594 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
9595 (rs6000_override_options): Use it.
9596 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
9597 only for -mabi=spe/no-spe and -mabi=altivec.
9599 2006-03-30 Geoffrey Keating <geoffk@apple.com>
9601 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
9604 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
9606 * Makefile.in: Rename docdir to gcc_docdir.
9608 2006-03-30 Roger Sayle <roger@eyesopen.com>
9611 * expr.c (emit_group_store): Optimize group stores into a pseudo
9612 register by using a paradoxical subreg to initialize the destination
9613 if the first or last member of the group specifies a "low part".
9615 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9618 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
9619 * target.h (struct gcc_target.speculate_insn): Change type of the
9620 second parameter to 'int'.
9621 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
9622 the second operand of the DEPS_LIST.
9623 (copy_DEPS_LIST_list): Update reference to the second operand of the
9625 * rtl.h (alloc_DEPS_LIST): Update signature.
9626 * sched-int.h (ds_t): Change typedef to 'int'.
9627 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9629 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9631 * haifa-sched.c (try_ready): Change condition to restore
9632 non-speculative pattern of the instruction.
9633 (process_insn_depend_be_in_spec): Code to keep probability of the
9634 speculative dependence non-decreasing.
9636 2006-03-30 Jie Zhang <jie.zhang@analog.com>
9638 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
9639 (single_move_for_movmem): ... this. Also change all uses.
9640 (bfin_expand_strmov): Renamed to...
9641 (bfin_expand_movmem): ... this. Also change all uses.
9642 * config/bfin/bfin.md (movstrsi): Renamed to...
9643 (movstrsi): ...this.
9645 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
9647 PR tree-optimization/26830
9649 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9650 (copy_prop_visit_stmt): Remove write-only variable ann.
9651 (init_copy_prop): Check variable loop depth here. Do not simulate
9652 memory-tag and virtual operand PHIs except for store copy prop.
9654 2006-03-30 Richard Guenther <rguenther@suse.de>
9656 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9657 variants with double arguments.
9659 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9661 * genpreds.c (write_tm_constrs_h): Delete variable p.
9662 * genconditions.c (write_header): Add tm-constrs.h to included
9664 * genpeep.c (main): Add toplev.h to included headers.
9665 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9666 (build/genpeep.o): Add toplev.h dependency.
9667 * config/rs6000/constraints.md: Add "W" constraint.
9669 2006-03-29 Roger Sayle <roger@eyesopen.com>
9671 * stor-layout.c (mode_for_size_tree): Remove restiction on type
9672 sizes by correctly testing whether the size fits a host integer.
9673 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9674 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9675 SImode range for the default sizetype and bitsizetype.
9677 2006-03-29 Roger Sayle <roger@eyesopen.com>
9679 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9680 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
9681 quickly if the argument is already of the correct type.
9682 Call fold_build1 instead of build1. Tidy up blank lines.
9684 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9686 * genemit.c (main): Add tm-constrs.h to included headers.
9687 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9688 * genpeep.c (main): Add tm-constrs.h to included headers.
9689 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9690 (write_tm_constrs_h): this and write complete file.
9691 (write_tm_preds_h): Do not emit satisfies_constraint fns.
9692 (write_insn_preds_c): Add tm-constrs.h to included headers.
9693 (gen_constrs): New variable.
9694 (parse_option): Parse "-c".
9695 (main): Invoke write_tm_constrs_h.
9696 * genrecog.c (write_header): Add tm-constrs.h to included headers.
9697 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9698 (object_out_file): Add tm-constrs.h dependency.
9699 (insn-emit.o): Same.
9700 (insn-output.o): Same.
9701 (insn-peep.o): Same.
9702 (insn-preds.o): Same.
9703 (insn-recog.o): Same.
9704 (tm-constsr.h): New target.
9705 (s-constrs-h): New target.
9707 * config/rs6000/constraints.md: New file.
9708 * config/rs6000/rs6000.c: Include tm-constrs.h.
9709 (num_insn_constant_wide): Convert to satisfies_constraint.
9710 (rs6000_rtx_costs): Convert to satisfies_constraint.
9711 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9712 (CONST_OK_FOR_LETTER_P): Delete.
9713 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9714 (EXTRA_CONSTRAINT): Delete.
9715 (EXTRA_MEMORY_CONSTRAINT): Delete.
9716 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9717 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9718 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9719 satisfies_constraint.
9721 * config/i386/i386.c: Include tm-constrs.h.
9723 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9725 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9726 * tree-data-ref.c (find_data_references_in_loop,
9727 compute_data_dependences_for_loop): Use pointers to VEC.
9728 (analyze_all_data_dependences): Adjust calls.
9729 * tree-data-ref.h (find_data_references_in_loop,
9730 compute_data_dependences_for_loop): Adjust declarations.
9731 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9732 compute_data_dependences_for_loop.
9734 2006-03-29 Paul Brook <paul@codesourcery.com>
9736 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9739 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9741 PR tree-optimization/26859
9742 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9744 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9745 for the step after fold_convert.
9747 2006-03-29 Paul Brook <paul@codesourcery.com>
9749 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9750 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9752 2006-03-29 Paul Brook <paul@codesourcery.com>
9755 * targhooks.c (default_narrow_bitfield): New fuction.
9756 * targhooks.h (default_narrow_bitfield): add prototype.
9757 * target.h (gcc_target): Add narrow_volatile_bitfield.
9758 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9759 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9760 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9761 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9763 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9765 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9767 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9768 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9769 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9770 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9771 (s390_function_arg_float): Allow SDmode and DDmode values to be
9772 passed in floating point registers.
9773 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9774 check with SCALAR_FLOAT_MODE_P.
9775 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9777 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9779 PR tree-optimization/25985
9780 * tree-ssa-loop-niter.c (number_of_iterations_le,
9781 number_of_iterations_ne): Make comments more precise.
9782 (number_of_iterations_cond): Add only_exit argument. Use the
9783 fact that signed variables do not overflow only when only_exit
9785 (loop_only_exit_p): New.
9786 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9787 number_of_iterations_cond.
9789 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9791 PR tree-optimization/26643
9792 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9795 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9797 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9798 (divsi3_i4_int): Likewise.
9800 2006-03-28 Roger Sayle <roger@eyesopen.com>
9802 * expr.c (emit_group_store): Only create a new pseudo reg if the
9803 quantity it needs to hold isn't already a suitable pseudo.
9805 2006-03-28 Jeff Law <law@redhat.com>
9807 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9808 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9810 2006-03-28 Roger Sayle <roger@eyesopen.com>
9812 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9813 the equivalent ~X & Y, and the symmetry related transformations.
9814 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9815 ~X & Y, and symmetry related transforms.
9817 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9819 Revert my 2006-03-27 patches.
9821 2006-03-28 Roger Sayle <roger@eyesopen.com>
9823 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9824 ~(T1)X, when T1 and T2 are integer types of the same precision
9825 and (T2)X isn't an extension.
9827 2006-03-28 Jeff Law <law@redhat.com>
9829 PR tree-optimization/26796
9830 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9831 need EH edge cleanups rather than purging them immediately.
9832 (eliminate_degenerate_phis): Handle queued EH cleanups.
9834 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9836 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9839 2006-03-27 Roger Sayle <roger@eyesopen.com>
9842 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9843 cast BIT_NOT_EXPR operand to the correct type.
9845 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9847 * tree-loop-linear.c: Don't include varray.h.
9848 (gather_interchange_stats, try_interchange_loops,
9849 linear_transform_loops): Use VEC instead of VARRAY.
9850 * lambda-mat.c: Don't include varray.h.
9851 * tree-chrec.c: Same.
9852 * lambda-trans.c: Same.
9853 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9854 VEC instead of VARRAY.
9855 * tree-vectorizer.h: Idem.
9856 * tree-data-ref.c (dump_data_references,
9857 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9858 initialize_data_dependence_relation, finalize_ddr_dependent,
9859 compute_all_dependences, find_data_references_in_loop,
9860 compute_data_dependences_for_loop, analyze_all_data_dependences,
9861 free_dependence_relation, free_dependence_relations,
9862 free_data_refs): Idem.
9863 * tree-data-ref.h (data_reference_p, subscript_p): New.
9864 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9865 VEC instead of VARRAY.
9866 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9867 (find_data_references_in_loop, compute_data_dependences_for_loop,
9868 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9869 dump_data_dependence_relations, free_dependence_relations,
9870 free_data_refs): Adjust declaration.
9871 (lambda_transform_legal_p): Move declaration here...
9872 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9873 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9874 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9875 vect_analyze_data_refs): Use VEC instead of VARRAY.
9876 * lambda.h (lambda_transform_legal_p): ...from here.
9877 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9878 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9879 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9880 tree-chrec.o): Don't depend on VARRAY_H.
9882 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9884 * rtl.def (Copyright): Update date.
9885 (DEPS_LIST): Change type of the second operand to 'int'.
9886 * target.h (Copyright): Update date.
9887 (struct gcc_target.speculate_insn): Change type of the second parameter
9889 * lists.c (Copyright): Update date.
9890 (alloc_DEPS_LIST): Change signature. Update reference to the second
9891 operand of the DEPS_LIST.
9892 (copy_DEPS_LIST_list): Update reference to the second operand of the
9894 * rtl.h (Copyright): Update date.
9895 (alloc_DEPS_LIST): Update signature.
9896 * sched-int.h (Copyright): Update date.
9897 (ds_t): Change typedef to 'int'.
9898 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9900 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9902 * haifa-sched.c (Copyright): Update date.
9903 (try_ready): Change condition to restore non-speculative pattern
9905 (process_insn_depend_be_in_spec): Code to keep probability of the
9906 speculative dependence non-decreasing.
9908 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9910 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9911 shut up the compiler.
9913 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9915 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9916 to use lib prefix for target.
9917 ($(T)libic_invalidate_array_4-200.a): Likewise.
9918 ($(T)libic_invalidate_array_4a.a): Likewise.
9920 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9921 J"orn Rennecke <joern.rennecke@st.com>
9923 * superh.opt: New file.
9924 * sh.c (boardtype, osruntime): Remove.
9925 * superh.h (SUBTARGET_OPTIONS): Remove.
9926 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9928 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9929 arguments with ^ and/or [].
9931 * config.gcc (sh-*-*): Add quoting to account for quirk of
9933 Replace == with = in enable_incomplete_targets test.
9935 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9936 with MASK_LITTLE_ENDIAN.
9938 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9939 * config/sh/sh.opt: Added to some comments.
9940 * config/sh/superh.h: Removed some chaff.
9942 * config/sh/sh.opt: Add m4-[1234]00* options.
9943 * config/sh/sh.c (sh_handle_option): Likewise.
9944 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9945 (ic_invalidate_array_4-100.o): New rule.
9946 ($(T)libic_invalidate_array_4-100.a): Likewise.
9947 (ic_invalidate_array_4-200.o): Likewise.
9948 ($(T)libic_invalidate_array_4-200.a): Likewise.
9949 (ic_invalidate_array_4a.o): Likewise.
9950 ($(T)libic_invalidate_array_4a.a): Likewise.
9951 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9952 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9954 * config/sh/crt1.asm: Merged in profiling code.
9955 * config/sh/superh.h (STARTFILE_SPEC): Override.
9956 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9957 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9958 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9960 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9961 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9962 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9964 * sh.opt (mpretend-cmove): New option.
9965 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9966 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9967 (movsicc): Add TARGET_PRETEND_CMOVE code.
9969 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9971 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9972 s390_class_max_nregs): New function prototypes.
9973 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9974 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9975 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9976 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9978 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9980 * dwarf2out.c (add_location_or_const_value_attribute): Call
9981 tree_add_const_value_attribute if nothing else works.
9982 (reference_to_unused): New.
9983 (rtl_for_decl_init): Use reference_to_unused to decide whether
9984 to output an initializer.
9986 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9989 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9990 peephole removing spe frob_di_df_2.
9992 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9994 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9995 (subscript_dependence_tester_1): Declared.
9996 (print_dir_vectors, print_dist_vectors): New.
9997 (debug_data_dependence_relation): New.
9998 (dump_data_dependence_relation): Print more details.
9999 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
10000 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
10001 (save_dist_v, save_dir_v, add_outer_distances,
10002 build_classic_dist_vector_1): New.
10003 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
10004 Don't test for lambda_vector_lexico_pos.
10005 (same_access_functions, add_multivariate_self_dist,
10006 add_other_self_distances, dir_from_dist): New.
10007 (build_classic_dir_vector): Replace implementation almost identical to
10008 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
10010 (subscript_dependence_tester_1): New.
10011 (subscript_dependence_tester): Handle the lexicographically negative
10012 distance vectors by recomputing the dependence relation.
10013 (compute_affine_dependence): Remove parameter loop_nest_depth.
10014 (compute_self_dependence): Don't call compute_subscript_distance.
10015 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
10016 Add a parameter for the loop_nest.
10017 (find_loop_nest_1, find_loop_nest): New.
10018 (compute_data_dependences_for_loop): Compute the loop nest, and give
10019 up if the nest is not well formed.
10020 * tree-data-ref.h (loop_p): New.
10021 (struct data_dependence_relation): Replace size_vect field with
10022 loop_nest, a vec of loops.
10023 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
10024 (DDR_LOOP_NEST): New.
10025 (print_dir_vectors, print_dist_vectors,
10026 debug_data_dependence_relation): Declared.
10027 (index_in_loop_nest): New.
10028 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
10029 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
10032 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
10034 * simplify-rtx.c (simplify_relational_operation): Call
10035 simplify_relational_operation_1 even if mode is VOIDmode.
10037 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
10039 PR tree-optimization/26804
10040 * tree.h (DECL_CALL_CLOBBERED): New macro.
10041 (tree_decl_common): Add call_clobbered_flag.
10042 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
10043 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
10044 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
10045 (mark_non_addressable): Ditto.
10046 * tree-ssa.c (verify_call_clobbered): New function.
10047 (verify_alias_info): Use it.
10048 * tree-pass.h (pass_reset_cc_flags): New prototype.
10049 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
10050 (reset_cc_flags): New function.
10051 * passes.c (init_optimization_passes): Call reset_cc_flags after
10052 initializing referenced_vars.
10054 2006-03-25 Uros Bizjak <uros@kss-loka.si>
10055 Roger Sayle <roger@eyesopen.com>
10057 PR middle-end/26717
10058 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
10059 to 1.0 for non-real operands. Implement A / A optimization for
10062 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
10064 * config/i386/i386.c (size_cost): Correct the comment for
10065 cost of storing fp registers.
10066 (i386_cost): Likewise.
10067 (i486_cost): Likewise.
10068 (pentium_cost): Likewise.
10069 (pentiumpro_cost): Likewise.
10070 (k6_cost): Likewise.
10071 (athlon_cost): Likewise.
10072 (k8_cost): Likewise.
10073 (pentium4_cost): Likewise.
10074 (nocona_cost): Likewise.
10075 (generic64_cost): Likewise.
10076 (generic32_cost): Likewise.
10078 2006-03-24 Denis Chertykov <denisc@overta.ru>
10080 * config/avr/avr-protos.h (extra_constraint): Delete.
10081 (extra_constraint_Q): New declaration.
10082 * config/avr/constraints.md: New file.
10083 * config/avr/avr.md: Include it.
10084 (REG_X, REG_Y, REG_Z, REG_W): New constants.
10085 (TMP_REGNO, ZERO_REGNO): Likewise.
10086 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
10087 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
10088 (extra_constraint): Delete.
10089 (extra_constraint_Q): Test for memory constraint 'Q'.
10090 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
10091 (REG_CLASS_FROM_LETTER): Delete.
10092 (CONST_OK_FOR_LETTER_P): Delete.
10093 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10094 (EXTRA_CONSTRAINT): Delete.
10095 (TMP_REGNO): Delete.
10096 (ZERO_REGNO): Delete.
10098 2006-03-24 Jeff Law <law@redhat.com>
10100 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
10101 directly. Call mark_new_vars_to_rename slightly earlier.
10103 2006-03-24 Geoffrey Keating <geoffk@apple.com>
10105 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
10106 (is_cxx): Likewise.
10107 (gen_compile_unit_die): Use new language types for Objective-C and
10109 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
10110 DW_LANG_C_plus_plus.
10113 * config/t-darwin (crt3.o): Work around bug 26840.
10114 * config/darwin-crt3.c: Rewrite.
10115 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
10117 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
10119 * doc/invoke.texi: Document -femit-class-debug-always
10120 * common.opt: Add -femit-class-debug-always.
10122 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
10124 * config/s390/s390.c (s390_decompose_address): Allow SImode for
10125 index and base register.
10126 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
10127 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
10128 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
10129 REGNO_OK_FOR_INDEX_P.
10130 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
10132 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
10133 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
10134 REG_OK_FOR_BASE_P): Definitions removed.
10136 2006-03-24 Jakub Jelinek <jakub@redhat.com>
10138 PR middle-end/26611
10139 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
10140 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
10141 set yet or weren't marked as local yet.
10143 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
10145 * regrename.c (scan_rtx_address): Initialize a variable to shut up
10148 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
10150 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
10151 (rs6000_legitimate_small_data_p): Delete.
10152 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
10153 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
10154 and make static. Add forward declaration. Update uses.
10155 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
10156 of offsettable_memref_p.
10157 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
10158 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
10160 2006-03-24 Jeff Law <law@redhat.com>
10162 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
10163 around bug in immediate-use iterator.
10165 2006-03-24 Alan Modra <amodra@bigpond.net.au>
10168 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
10169 or __LITTLE_ENDIAN__.
10171 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
10173 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
10174 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
10175 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
10176 * config/sh/sh.opt (mdiv=): Amend description.
10177 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
10178 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
10179 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
10180 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
10181 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
10182 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
10183 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
10184 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
10185 TARGET_DIVIDE_CALL_FP.
10187 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10189 * haifa-sched.c (choose_ready): Fix type of the local variable.
10190 Move local variables. Add comment.
10191 (check_reg_live): Change signature. Make callable from debugger.
10192 * sched-int.h (check_reg_live): Update signature.
10193 * sched-ebb.c (check_reg_live): Update parameters.
10194 * sched-rgn.c (check_reg_live): Ditto.
10195 (region_head_or_leaf_p): Check pointer before dereferencing.
10196 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
10197 before reload on optimization levels below 1.
10199 2006-03-23 Richard Henderson <rth@redhat.com>
10201 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
10205 * config/alpha/predicates.md (local_symbolic_operand): Reject
10208 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
10211 * tree-ssa-pre.c (create_value_expr_from): Don't reject
10212 expressions which have overflowed constants.
10214 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10216 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
10218 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10220 * cfgloopmanip.c (create_loop_notes): Removed.
10221 * final.c (final_scan_insn): Do not handle loop notes.
10222 * jump.c (squeeze_notes): Ditto.
10223 * cfglayout.c (skip_insns_after_block,
10224 duplicate_insn_chain): Ditto.
10225 * cfgcleanup.c (rest_of_handle_jump2): Do not call
10227 * cfgloop.h (create_loop_notes): Declaration removed.
10229 2006-03-23 Richard Sandiford <richard@codesourcery.com>
10231 * varasm.c (output_constant_pool): Restore fnname and fndecl
10233 (assemble_start_function): Adjust call accordingly.
10234 (assemble_end_function): Likewise.
10236 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10239 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
10242 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
10244 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10247 * system.h (ICE_EXIT_CODE): New macro.
10248 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
10249 (diagnostic_action_after_output): Likewise.
10250 * gcc.c (fatal_ice): New function.
10251 (execute): Use it instead of fatal.
10252 (fancy_abort): Likewise.
10253 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
10255 2006-03-22 Jeff Law <law@redhat.com>
10257 * loop-unroll.c (analyze_iv_to_split_insn): Handle
10258 iv_analyze_result returning false.
10260 2006-03-22 Jie Zhang <jie.zhang@analog.com>
10262 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
10264 2006-03-22 Richard Henderson <rth@redhat.com>
10266 PR middle-end/26084
10267 * except.c (duplicate_eh_regions_0): New.
10268 (duplicate_eh_region_1): Duplicate the children of the node as
10269 well as the node itself. Link them up properly.
10270 (duplicate_eh_region_2): Merge into ...
10271 (duplicate_eh_regions): ... here. Take copy_region argument, and
10272 copy only a sub-tree if asked. Simplify copying and fixup.
10273 (eh_region_outer_p): New.
10274 * except.h (duplicate_eh_regions): Update decl.
10275 (eh_region_outer_p): Declare.
10276 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
10277 (lower_omp_master): Likewise.
10278 (lower_omp_ordered): Likewise.
10279 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
10280 (move_stmt_r): Use it to remap labels. Handle recursion vs
10281 remap_decls_p properly.
10282 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
10283 (find_outermost_region_in_block): New.
10284 (new_label_mapper): New.
10285 (move_sese_region_to_fn): Copy eh information to the new function
10287 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
10289 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
10292 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10294 * doc/md.texi (-mshared): Mention that -mshared code can be linked
10295 into shared libraries.
10297 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10299 * doc/md.texi: Refer to i386/constraints.md instead of
10300 i386/predicates.md.
10301 * config/i386/constraints.md: New file, extracted from...
10302 * config/i386/predicates.md: ...here.
10303 * config/i386/i386.md: Include constraints.md.
10305 2006-03-21 Jason Merrill <jason@redhat.com>
10307 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
10309 PR middle-end/20297
10310 * expr.c (init_block_move_fn): Force default visibility.
10311 (init_block_clear_fn): Likewise.
10312 * builtins.c (expand_builtin_fork_or_exec): Likewise.
10313 * targhooks.c (default_external_stack_protect_fail): Likewise.
10315 2006-03-21 Richard Sandiford <richard@codesourcery.com>
10317 * config/mips/predicates.md (const_call_insn_operand): Allow direct
10318 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
10319 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
10320 Use TARGET_OLDABI instead of !TARGET_NEWABI.
10321 (loadgp): Use mips_current_loadgp_style.
10322 (loadgp_noshared): New pattern.
10323 (sibcall_internal): Use MIPS_CALL.
10324 (sibcall_value_internal): Likewise.
10325 (sibcall_value_multiple_internal): Likewise.
10326 (call_internal): Likewise.
10327 (call_value_internal): Likewise.
10328 (call_value_multiple_internal): Likewise.
10329 (call_split): Use MIPS_CALL and add an 'S' constraint.
10330 (call_value_split): Likewise.
10331 (call_value_multiple_split): Likewise.
10332 * config/mips/mips.opt (-mabicalls): Tweak docstring.
10333 (-mshared): New option.
10334 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
10335 (mips_current_loadgp_style): Declare.
10336 * config/mips/mips.c (mips_classify_symbol): Avoid using
10337 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
10338 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
10339 TARGET_ABSOLUTE_ABICALLS.
10340 (override_options): Adjust comments. Improve the warning that is
10341 issued when -mabicalls and -G are used together.
10342 (mips_file_start): Remove comment.
10343 (mips_current_loadgp_style): New function.
10344 (mips_gnu_local_gp): New variable.
10345 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
10347 (mips_output_function_prologue): Use mips_current_laodgp_style.
10348 (mips_expand_prologue): Call mips_emit_loadgp before emitting
10349 the cprestore instruction.
10350 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
10351 live for TARGET_ABSOLUTE_ABICALLS.
10352 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
10353 (ASM_SPEC): Pass down -mshared and -mno-shared.
10354 (MIPS_CALL): New macro.
10355 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
10357 * doc/invoke.texi (-mabicalls): Update documentation.
10358 (-mshared): Document.
10360 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10362 * config/ia64/unwind-hpux.c: New file.
10363 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
10365 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10368 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
10370 2006-03-21 Jeff Law <law@redhat.com>
10372 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
10373 type conversions of a VR_VARYING source to a wider type.
10375 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10377 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
10378 tm_file on Solaris 10 and later.
10379 (sparc64-*-solaris2*): Likewise.
10380 (sparc-*-solaris2*): Likewise.
10381 * config/sol26.h: Rename to config/sol2-6.h.
10382 * config/sol2-10.h: New file.
10384 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
10387 * tree-ssa-pre.c (create_component_ref_by_pieces):
10390 2006-03-21 Jakub Jelinek <jakub@redhat.com>
10393 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
10394 return it immediately.
10396 2006-03-21 Michael Matz <matz@suse.de>
10398 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
10400 (remove_arc, add_arc): Update num_out_arcs member.
10401 (set_out_arc_insns_equiv_num): Returns nothing instead of number
10403 (cache_presence): New function.
10404 (compare_states_for_equiv): New function.
10405 (state_is_differed): Don't take number of outargs, adjust callers.
10406 Use new invariant for speeding up.
10407 (init_equiv_class): Create initial classes based on sorted
10409 (partition_equiv_class): Don't track out_arcs_num.
10410 (evaluate_equiv_classes): Call cache_presence on all states and
10413 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
10415 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
10416 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
10417 (bfin_valid_reg_p): Test for pseudos explicitly and use only
10418 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
10420 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
10421 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
10422 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
10423 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
10424 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
10426 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
10427 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
10428 (REGNO_REG_CLASS): ARGP is in PREGS.
10429 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
10431 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
10432 to deal with those addresses.
10433 * addresses.h: New file.
10434 * caller-save.c: Include "addresses.h".
10435 (init_caller_save): Use new base_reg_class function.
10436 * rtl-factoring.c: Include "addresses.h".
10437 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
10438 * recog.c: Include "addresses.h".
10439 (preprocess_constraints): Use new base_reg_class function.
10440 * regrename.c: Include "addresses.h".
10441 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
10442 functions. Keep track of a new var INDEX_CODE to compute valid
10444 (replace_oldest_value_addr): Likewise.
10445 (replace_oldest_value_mem): Use base_reg_class.
10446 * reload.c: Include "addresses.h".
10447 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
10448 (find_reloads): Use new base_reg_class function.
10449 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
10450 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
10451 all callers and prototype changed.
10452 * reload1.c: Include "addresses.h".
10453 (maybe_fix_stack_asms): Use base_reg_class.
10454 * regclass.c: Include "addresses.h".
10455 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
10456 (init_reg_autoinc): Use new base_reg_class function.
10457 (record_reg_classes): Likewise.
10458 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
10459 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
10460 Use new args to compute necessary class.
10462 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
10463 regrename.o, rtl-factoring.o): Update dependencies.
10464 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
10465 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
10466 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
10467 REG_OK_FOR_INDEX_P): Delete documentation.
10469 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
10471 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
10472 from V7 to V9 for Solaris 7 and above.
10474 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
10476 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
10477 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
10478 argument pointers may not alias any other storage.
10479 * common.opt: Define option -fargument-noalias-anything.
10480 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
10481 alias semantics is specified by flag_argument_noalias > 2.
10483 2006-03-20 Jeff Law <law@redhat.com>
10485 * tree-pass.h (pass_phi_only_copy_prop): Delete.
10486 (pass_phi_only_cprop): Declare.
10487 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
10488 with phi_only_cprop
10489 * tree-ssa-dom.c (degenerate_phi_result): New function.
10490 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
10491 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
10492 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
10493 (eliminate_degenerate_phis): Likewise.
10494 (pass_phi_only_cprop): New pass descriptor.
10495 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
10496 support code. Callers updated.
10497 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
10498 (store_copy_prop): Likewise.
10499 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
10501 2006-03-20 Jason Merrill <jason@redhat.com>
10504 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
10505 (push_visibility, pop_visibility): Likewise.
10506 * c-pragma.h: Declare them.
10508 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
10510 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
10512 * config/sh/sh.c (find_regmode_weight): Change the type of the first
10513 parameter and use get_ebb_head_tail.
10514 (sh_md_init_global): Adjust uses of find_regmode_weight.
10516 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
10518 * function.h (struct function) <x_tail_recursion_reentry>:
10519 Rename to x_stack_check_probe_note.
10520 (tail_recursion_reentry): Rename to stack_check_probe_note.
10521 * function.c: Replace tail_recursion_reentry with
10522 stack_check_probe_note everywhere.
10523 (expand_function_start): Only emit a note for
10524 stack_check_probe_note with -fstack-protect.
10525 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
10527 * emit-rtl.c (remove_unnecessary_notes): Remove.
10528 (pass_remove_unnecessary_notes): Remove.
10529 * rtl.h (remove_unnecessary_notes): Remove prototype.
10530 * final.c (final_start_function): Don't call remove_unnecessary_notes.
10531 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
10532 * passes.c (pass_remove_unnecessary_notes): Don't run it.
10534 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
10537 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
10538 (valid_in_set): Handle ARRAY_REF.
10539 Change "if min_variant or VH" to asserts.
10540 (create_component_ref_by_pieces): Handle ARRAY_REF.
10541 (create_expression_by_pieces): Likewise.
10542 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
10544 2006-03-20 David Edelsohn <edelsohn@gnu.org>
10546 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
10547 is operand of switch, not str[0].
10549 2006-03-20 Alan Modra <amodra@bigpond.net.au>
10551 * config/rs6000/rs6000.c (rs6000_handle_option): Use
10552 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
10554 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10556 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
10557 end of insn_extra_address_constraint declaration.
10559 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10561 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
10562 (no-sum-in-toc): Same.
10563 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
10565 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
10566 NO_FP_IN_TOC for -fPIC instead of mask.
10568 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
10569 (BOOT_LDFLAGS): Delete.
10571 * config/rs6000/t-aix52: Same.
10573 * config/rs6000/rs6000.md (store_multiple_power): Delete.
10574 (stmsi[345678]_power): New.
10576 2006-03-17 Steve Ellcey <sje@cup.hp.com>
10578 * config/ia64/ia64.opt: Add empty line to end of file.
10580 2006-03-17 Richard Guenther <rguenther@suse.de>
10582 PR middle-end/26721
10583 * builtins.c (get_pointer_alignment): For component style references
10584 adjust alignment to the component type alignment. Make sure
10585 to adjust alignment for component access of constants.
10587 2006-03-17 David Edelsohn <edelsohn@gnu.org>
10589 * config/rs6000/rs6000.md (strlensi): Emit barrier after
10590 unconditional jump.
10592 2006-03-17 Paul Brook <paul@codesourcery.com>
10594 * doc/install.texi: Docuemnt --with-mode.
10595 * config.gcc: Add --with-mode for arm*-*-*.
10596 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
10598 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
10600 * sh.c (max_labelno_before_reorg): New variable.
10601 (sh_reorg): Initialize it.
10602 (find_barrier): Check max_labelno_before_reorg before using
10603 label_to_alignment. Take length of explicit alignment insns
10604 into account. When seeing a UNSPECV_CONST_END, return it.
10606 * sh.c (fixup_mova): Set mode of affected label to QImode.
10607 (untangle_mova): New function.
10608 (find_barrier): Use it. Check mode of label before decrementing
10610 (sh_reorg): Likewise.
10611 Set mode of all insns back to VOIDmode.
10613 * sh.c (MOVA_LABELREF): New macro.
10614 (mova_p, fixup_mova, sh_reorg): Use it.
10615 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
10616 ADDR_DIFF_VEC matches mova.
10618 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
10620 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
10621 with ATTRIBUTE_UNUSED.
10623 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
10625 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
10626 pointer, instead of assuming it is possible to derive the
10627 correct args size from a call insn.
10629 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10631 * rtl.h (CONST_INT_P): Define.
10632 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
10633 instead of GET_CODE(x) == CONST_INT.
10634 (vax_rtx_costs): Likewise.
10635 (vax_output_int_move): Likewise.
10636 (vax_output_int_add): Likewise.
10637 (legitimate_constant_address_p): Likewise.
10638 (index_term_p): Likewise.
10639 * config/vax/vax.h (PRINT_OPERAND): Likewise.
10640 * config/vax/vax.md (and<mode>3): Likewise.
10641 (ashrsi3): Likewise.
10643 (movstricthi): Likewise.
10644 (movstrictqi): Likewise.
10645 (rotrsi3): Likewise.
10646 (five unnamed insns): Likewise.
10648 2006-03-16 Geoffrey Keating <geoffk@apple.com>
10650 * doc/tm.texi (SDB and DWARF): Add extra parameter to
10651 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
10652 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10653 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10654 Pass to ASM_OUTPUT_DWARF_OFFSET.
10655 * dwarf2out.c (debug_frame_section): New.
10656 (output_call_frame_info): Use debug_frame_section. Pass it to
10657 dw2_asm_output_offset.
10658 (output_die): Pass appropriate section to dw2_asm_output_offset.
10659 (output_compilation_unit_header): Likewise.
10660 (output_pubnames): Likewise.
10661 (output_aranges): Likewise.
10662 (enum dw_val_class): Break dw_val_class_lbl_offset into
10663 dw_val_class_lineptr and dw_val_class_macptr.
10664 (add_AT_lbl_offset): Delete.
10665 (add_AT_lineptr): New.
10666 (add_AT_macptr): New.
10667 (AT_lbl): Expect a lineptr or macptr.
10668 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10669 (attr_checksum): Likewise.
10670 (same_dw_val_p): Likewise.
10671 (size_of_die): Likewise.
10672 (value_format): Likewise.
10673 (output_die): Likewise.
10674 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10676 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10677 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10678 * config/darwin-protos.h (darwin_file_start): New.
10679 (darwin_asm_output_dwarf_offset): New.
10680 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10681 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10683 * config/darwin.c (darwin_emit_unwind_label): Don't output label
10684 if not EH section; simplify.
10685 (darwin_file_start): New.
10686 (darwin_asm_output_dwarf_offset): New.
10687 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10689 (DEBUG_INFO_SECTION): Likewise.
10690 (DEBUG_ABBREV_SECTION): Likewise.
10691 (DEBUG_ARANGES_SECTION): Likewise.
10692 (DEBUG_MACINFO_SECTION): Likewise.
10693 (DEBUG_LINE_SECTION): Likewise.
10694 (DEBUG_LOC_SECTION): Likewise.
10695 (DEBUG_PUBNAMES_SECTION): Likewise.
10696 (DEBUG_STR_SECTION): Likewise.
10697 (DEBUG_RANGES_SECTION): Likewise.
10698 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10699 (ASM_OUTPUT_DWARF_OFFSET): New.
10701 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10703 * config.gcc (tm_defines): Always add to previous value rather
10706 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10708 * config/mips/predicates.md (splittable_const_int_operand): New,
10709 split from move_operand.
10710 (splittable_symbolic_operand): New.
10711 (move_operand): Add commentary. Use splittable_const_int_operand.
10712 Inline mips_atomic_symbolic_constant_p.
10713 * config/mips/mips.md: Add combine splitters for handling moves
10714 of splittable_const_int_operands and splittable_symbolic_operands.
10715 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10716 (mips_split_symbol): Declare.
10717 (mips_move_integer): Declare.
10718 * config/mips/mips.c (mips_split_p): Make global.
10719 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10720 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10721 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10722 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10723 (mips_offset_within_object_p): Handle block symbols.
10724 (mips_atomic_symbolic_constant_p): Delete.
10725 (mips_cannot_force_const_mem): Return false for constants that
10726 mips_legitimize_move can handle.
10727 (mips_use_blocks_for_constant_p): New function.
10728 (mips_split_symbol): Make global.
10729 (mips_move_integer): Likewise. Add a temporary register argument.
10730 (mips_legitimize_const_move): Use splittable_const_int_operand and
10731 splittable_symbolic_operand.
10732 (mips_use_anchors_for_symbol_p): New function.
10733 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10734 (mips_split_p): Declare.
10736 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10738 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10739 (mips*-*-linux*): Likewise.
10741 2006-03-16 Roger Sayle <roger@eyesopen.com>
10742 Daniel Speyer <dspeyer@wam.umd.edu>
10744 PR middle-end/18259
10745 * tree-dump.c (dump_real): New function.
10746 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10747 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10748 (tree-dump.o): Add $(REAL_H) to the dependencies.
10750 2006-03-16 Roger Sayle <roger@eyesopen.com>
10752 PR middle-end/21781
10753 * real.c (real_from_string): If the mantissa is zero, don't bother
10754 parsing the exponent as the result should always be zero.
10756 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10758 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10760 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10762 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10763 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10764 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10765 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10766 ia64_sched_finish_global): New static functions to implement
10767 hooks from gcc_target.sched.
10768 (spec_check_no, max_uid, pending_data_specs): New static variables.
10769 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10770 ia64_spec_check_src_p): New static functions.
10771 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10772 (TARGET_SCHED_ADJUST_COST): Removed.
10773 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10774 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10775 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10776 TARGET_SCHED_GEN_CHECK,
10777 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10778 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10779 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10780 Fixed to handle speculation checks.
10781 (rtx_needs_barrier): Fixed to handle speculative loads and
10783 (ia64_variable_issue): Added code to count speculative loads and their
10785 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10787 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10789 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10791 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10792 (ia64_reorg): Reset stops_p to NULL after it is freed.
10793 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10794 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10795 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10797 (data_speculative, control_speculative, check_load): New attributes.
10798 (mov<mode>_advanced, mov<mode>_speculative,
10799 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10800 zero_extend<mode>di2_speculative,
10801 zero_extend<mode>di2_speculative_advanced): New patterns for
10802 data and control speculative loads.
10803 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10805 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10806 New pattern for data and control speculation checks.
10807 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10808 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10809 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10810 Auxiliary definitions for the patterns.
10811 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10812 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10814 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10816 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10817 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10818 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10819 New resource constraints.
10820 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10822 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10823 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10824 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10825 msched-in-control-spec, msched-ldc, msched-control-ldc,
10826 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10827 msched-prefer-non-control-spec-insns,
10828 msched-count-spec-in-critical-path): New flags to tune speculative
10830 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10831 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10832 msched-in-control-spec, msched-ldc, msched-control-ldc,
10833 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10834 msched-prefer-non-control-spec-insns,
10835 msched-count-spec-in-critical-path): Document new flags.
10837 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10839 * target.h (struct spec_info_def): New opaque declaration.
10840 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10841 speculate_insn, needs_block_p, gen_check,
10842 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10843 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10844 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10845 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10846 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10847 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10849 (TARGET_SCHED): Use new macros.
10850 * rtl.h (copy_DEPS_LIST_list): New prototype.
10851 * sched-int.h (struct sched_info): Change signature of new_ready field,
10852 adjust all initializations. New fields: add_remove_insn,
10853 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10854 region_head_or_leaf_p.
10855 (struct spec_info_def): New structure declaration.
10856 (spec_info_t): New typedef.
10857 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10858 recovery_block, orig_pat.
10859 (glat_start, glat_end): New variables declaraions.
10860 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10862 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10863 DETACH_LIFE_INFO, USE_GLAT.
10864 (enum SPEC_SCHED_FLAGS): New enumeration.
10865 (NOTE_NOTE_BB_P): New macro.
10866 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10867 attach_life_info, debug_spec_status, check_reg_live): New functions.
10868 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10869 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10871 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10872 * ddg.c (get_block_head_tail): Adjust all uses.
10873 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10874 (sms_sched_info): Initialize new fields.
10875 (contributes_to_priority): Removed.
10876 * haifa-sched.c (params.h): New include.
10877 (get_block_head_tail): Adjust all uses.
10878 (ISSUE_POINTS): New macro.
10879 (glat_start, glat_end): New global variables.
10880 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10881 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10882 old_last_basic_block, before_recovery, current_sched_info_var,
10883 rgn_n_insns, luid): New static variables.
10884 (insn_cost1): New function. Move logic from insn_cost to here.
10885 (find_insn_reg_weight1): New function. Move logic from
10886 find_insn_reg_weight to here.
10887 (reemit_notes, move_insn, max_issue): Change signature.
10888 (move_insn1): Removed.
10889 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10890 extend_bb): New static functions to support extension of scheduler's
10892 (generate_recovery_code, process_insn_depend_be_in_spec,
10893 begin_speculative_block, add_to_speculative_block,
10894 init_before_recovery, create_recovery_block, create_check_block_twin,
10895 fix_recovery_deps): New static functions to support
10896 generation of recovery code.
10897 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10898 restore_bb_notes, move_block_after_check, move_succs): New static
10899 functions to support ebb scheduling.
10900 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10901 functions to support handling of register live information.
10902 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10903 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10904 add_jump_dependencies): New static functions.
10905 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10906 consistancy checking.
10907 (debug_spec_status): New function to call from debugger.
10908 (priority): Added code to handle speculation checks.
10909 (rank_for_schedule): Added code to distinguish speculative instructions.
10910 (schedule_insn): Added code to handle speculation checks.
10911 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10912 Fixed to handle ebbs.
10913 (move_insn): Added code to handle ebb scheduling.
10914 (max_issue): Added code to use ISSUE_POINTS of instructions.
10915 (choose_ready): Added code to choose between speculative and
10916 non-speculative instructions.
10917 (schedule_block): Added code to handle ebb scheduling and scheduling of
10918 speculative instructions.
10919 (sched_init): Initialize new variables.
10920 (sched_finish): Free new variables. Print statistics.
10921 (try_ready): Added code to handle speculative instructions.
10922 * lists.c (copy_DEPS_LIST_list): New function.
10923 * sched-deps.c (extend_dependency_caches): New function. Move logic
10924 from create_dependency_caches to here.
10925 (get_dep_weak, ds_merge): Make global.
10926 * genattr.c (main): Code to output prototype for
10927 dfa_clear_single_insn_cache.
10928 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10929 (output_dfa_clean_insn_cache_func): Code to output
10930 dfa_clear_single_insn_cache function.
10931 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10933 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10935 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10936 New static variables.
10937 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10938 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10940 (ebb_sched_info): Initialize new fields.
10941 (get_block_head_tail): Adjust all uses.
10942 (compute_jump_reg_dependencies): Fixed to use glat_start.
10943 (schedule_ebb): Code to remove unreachable last block.
10944 (schedule_ebbs): Added code to update register live information.
10945 * sched-rgn.c (region_sched_info): Initialize new fields.
10946 (get_block_head_tail): Adjust all uses.
10947 (last_was_jump): Removed. Adjust users.
10948 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10949 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10950 Implement new hooks.
10951 (check_dead_notes1): New static function.
10952 (struct region): New fields: dont_calc_deps, has_real_ebb.
10953 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10954 (BB_TO_BLOCK): Fixed to handle EBBs.
10955 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10956 (ebb_head): New static variable.
10957 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10958 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10960 (compute_dom_prob_ps): New assertion.
10961 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10962 global_live_at_start.
10963 (init_ready_list): New assertions.
10964 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10965 (new_ready): Add support for BEGIN_CONTROL speculation.
10966 (schedule_insns): Fixed code that updates register live information
10968 (schedule_region): Fixed to handle EBBs.
10969 (init_regions): Use extend_regions and check_dead_notes1.
10970 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10971 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10972 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10973 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10974 TARGET_SCHED_GEN_CHECK,
10975 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10976 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10977 * doc/invoke.texi (max-sched-insn-conflict-delay,
10978 sched-spec-prob-cutoff): Document.
10980 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10982 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10983 inter_tick, queue_index.
10984 (struct sched_info): Change signature of init_ready_list field.
10985 Adjust all initializations.
10986 (RESOLVED_DEPS): New access macro.
10987 (ready_add): Remove prototype.
10988 (try_ready): Add prototype.
10989 * sched-rgn.c (init_ready_list): Use try_ready.
10990 (schedule_region): Initialize
10991 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10992 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10993 (init_ready_list): Use try_ready.
10994 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10995 * lists.c (remove_list_elem): Remove `static'.
10996 (remove_free_INSN_LIST_elem): New function.
10997 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10998 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10999 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
11001 (readyp): New variable.
11002 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
11003 change_queue_index, resolve_dep): New static functions.
11004 (try_ready): New function. Adjust callers in sched-rgn.c and
11005 sched-ebb.c to use it instead of ready_add.
11006 (clock_var): Move at the begining of file.
11007 (rank_for_schedule): Fix typo.
11008 (queue_insn): Add assertion. Handle QUEUE_INDEX.
11009 (ready_lastpos): Enforce assertion.
11010 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
11011 update all callers.
11012 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
11013 (schedule_insn): Rewrite to use try_ready and resolve_dep.
11014 (queue_to_ready): Use free_INSN_LIST_list.
11015 (early_queue_to_ready): Fix typo.
11016 (schedule_block): Init readyp. Move init_ready_list call after the
11017 initialization of clock_var. Fix error in rejecting insn by
11018 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
11019 that previously corrected INSN_TICKs. Add code for handling
11021 (set_priorities): Fix typo.
11022 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
11023 Clarify comment and code that keeps current_sched_info->next_tail
11026 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11028 * sched-rgn.c (extend_rgns): New static function.
11029 (find_rgns): Use it.
11030 (gather_region_statistics, print_region_statistics): New static
11032 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
11033 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11035 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11036 Andrey Belevantsev <abel@ispras.ru>
11038 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
11039 * lists.c (unused_deps_list): New variable.
11040 (free_list): Add assertions to verify the proper distinguishing
11041 between INSN_LISTs and DEPS_LISTs.
11042 (find_list_elem, remove_list_elem, remove_list_node): New static
11044 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
11045 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
11046 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
11047 (alloc_INSN_LIST): Assert that the list we're working on is indeed
11049 (free_INSN_LIST_node): Likewise.
11050 * modulo-sched.c (current_sched_info): Initialize flags field.
11051 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
11052 * rtl.def (DEPS_LIST): Define.
11053 * rtl.h: Declare new functions from lists.c.
11054 * sched-deps.c (spec_dependency_cache): New static variable.
11055 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
11056 (add_dependence): Change return type to void. Move the logic to ...
11057 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
11058 (delete_all_dependences): Add comment about forward_dependency_cache.
11059 Handle spec_dependency_cache. Handle DEPS_LISTs.
11060 (fixup_sched_groups): Clarify the change of priority of output
11061 and anti dependencies.
11062 (sched_analyze_2): Adjust add_dependence calls to create data
11063 speculative dependence.
11064 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
11065 Adjust all callers. Handle DEPS_LISTS.
11066 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
11067 presence of speculation.
11068 (init_dependency_caches, free_dependency_caches):
11069 Handle spec_dependency_cache.
11070 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
11071 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
11072 New static functions.
11073 (add_or_update_back_dep, add_or_update_back_forw_dep,
11074 add_back_forw_dep, delete_back_forw_dep): New functions.
11075 * sched-int.h (ds_t, dw_t): New typedefs.
11076 (struct sched_info): Add new field flags.
11077 (struct haifa_insn_data): Add new bitfield has_internal_dep.
11078 Prototype new sched-deps.c functions.
11079 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
11080 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
11081 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
11082 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
11083 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
11084 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
11086 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
11088 * sched-rgn.c (current_sched_info): Initialize flags field.
11089 (schedule_insns): Initialize current_sched_info before the sched_init
11091 * sched-ebb.c (current_sched_info): Initialize flags field.
11092 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
11093 Call add_or_update_back_dep instead of add_dependence.
11094 Create control speculative dependencies.
11095 (schedule_insns): Initialize current_sched_info before the sched_init
11098 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
11100 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
11102 (sh_fallback_frame_state): Likewise.
11104 2006-03-15 Geoffrey Keating <geoffk@apple.com>
11106 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
11107 Do switch on default_use_cxa_atexit.
11108 (powerpc*-*-darwin*): Build crt2.o on powerpc.
11109 * config/darwin-crt3.o: New.
11110 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
11111 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
11112 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
11114 * config/rs6000/t-darwin: Move crt2.o building to here.
11115 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
11116 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
11119 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11121 * config/vax/vax.c (nonindexed_address_p): Change logical negation
11122 from '! xxx' to '!xxx' for coding-style conformance.
11123 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
11124 (EXTRA_CONSTRAINT): Likewise.
11125 * config/vax/vax.md (four unnamed insns): Likewise.
11127 2006-03-15 Paul Brook <paul@codesourcery.com>
11129 * config/arm/arm.c (minipool_pad): New.
11130 (add_minipool_forward_ref): Include pool alignment padding in address
11132 (push_minipool_fix): Set minipool_pad.
11133 (minipool_pad): Ditto.
11135 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11137 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
11138 instead of GET_CODE() == MEM and REG_P() instead of
11140 (print_operand_address): Likewise.
11141 (vax_address_cost): Likewise.
11142 (vax_rtx_costs): Likewise.
11143 (vax_notice_update_cc): Likewise.
11144 (vax_output_int_add): Likewise.
11145 (INDEX_REGISTER_P): Likewise.
11146 (BASE_REGISTER_P): Likewise.
11147 (nonindexed_address_p): Likewise.
11148 (vax_mode_dependent_address_p): Likewise.
11149 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
11150 (PRINT_OPERAND): Likewise.
11151 * config/vax/vax.md (ashlsi3): Likewise.
11152 (ashlsi3): Likewise.
11153 (some more unnamed insns): Likewise.
11155 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
11157 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
11158 iterator-style macro.
11159 (mark_control_dependent_edges_necessary): Update the use of
11160 EXECUTE_IF_CONTROL_DEPENDENT.
11162 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
11164 * config/sh/predicates.md (cache_address_operand): Special.
11165 (ua_address_operand): Likewise.
11167 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
11169 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
11171 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
11173 2006-03-15 Andreas Schwab <schwab@suse.de>
11175 * gensupport.c (identify_predicable_attribute): Don't free p_false
11176 when it is still in use.
11178 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
11180 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
11181 the default setting here.
11183 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
11185 * tree-pass.h (pass_cfg): Remove.
11186 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
11187 * passes.c (pass_cfg): Don't run it.
11189 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
11191 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
11192 * reg-stack.c (stack_regs_mentioned_data): Change the type to
11194 (stack_regs_mentioned): Update the uses of
11195 stack_regs_mentioned_data. Don't access the array beyond its
11197 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
11198 Don't include gt-reg-stack.h.
11200 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
11201 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
11203 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
11205 PR middle-end/26684
11206 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
11209 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11211 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
11213 2006-03-14 Richard Guenther <rguenther@suse.de>
11215 PR tree-optimization/26672
11216 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
11219 2006-03-14 Richard Guenther <rguenther@suse.de>
11221 PR tree-optimization/26667
11222 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
11223 node for the callees. Always allow inlining if it will shrink
11226 2006-03-14 Richard Guenther <rguenther@suse.de>
11228 PR middle-end/26659
11229 * builtins.c (get_pointer_alignment): Prefer alignment
11230 information from decls over that from types.
11232 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
11235 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
11237 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
11239 * config/rs6000/rs6000.opt (mdlmzb): New option.
11240 (msched-prolog, msched-epilog): Use Var not Mask.
11241 * doc/invoke.texi (-mdlmzb): Document.
11242 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11244 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
11245 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
11247 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
11249 PR rtl-optimization/25739
11250 * bt-load.c (augment_live_range): Free tos pointer.
11252 * gensupport.c (identify_predicable_attribute): Free
11254 * gcov.c (create_file_names): Free name pointer.
11256 2006-03-13 Roger Sayle <roger@eyesopen.com>
11258 PR middle-end/26557
11259 * stmt.c (emit_case_nodes): Handle the case where the index is a
11260 CONST_INT, where the comparison mode is specified by the index type.
11262 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11264 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
11267 2006-03-13 Richard Sandiford <richard@codesourcery.com>
11269 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
11270 (*branch_fp_inverted): Likewise.
11272 2006-03-13 Jakub Jelinek <jakub@redhat.com>
11274 PR middle-end/25989
11275 * omp-low.c (expand_omp_for_generic): Mark istart0
11276 and iend0 as addressable.
11278 2006-03-13 Jie Zhang <jie.zhang@analog.com>
11280 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
11282 2006-03-13 Jeff Law <law@redhat.com>
11284 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
11285 virtual operands are interesting.
11286 (vrp_visit_stmt): Corresponding changes.
11288 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
11290 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
11292 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
11293 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
11294 * config/bfin/crti.S: Use it instead of __PIC__.
11295 * config/bfin/crtn.S: Likewise.
11297 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
11298 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
11300 Lose 'G' modifier for call operand.
11301 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
11302 recognize 'G' modifier.
11304 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
11306 PR middle-end/18859
11307 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
11308 * stmt.c (expand_case): Likewise.
11310 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11312 PR rtl-optimization/26254
11313 * loop-invariant.c (seq_insns_valid_p): New function.
11314 (move_invariant_reg): Only emit new code if it is valid.
11316 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11318 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
11320 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
11321 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
11322 (commit_one_edge_insertion): Do not look for loop notes.
11324 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11326 * jump.c (follow_jumps): Do not check for loop notes. Move check for
11327 flag_test_coverage out of loop.
11329 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11331 * final.c (shorten_branches): Remove outdated comment, and turn
11332 the if branch that guards it to continue.
11334 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11336 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
11337 * cfgloop.h (struct loop): Remove unused fields.
11339 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
11341 * doc/invoke.texi (-fdump-rtl-loop): Remove.
11342 (-dL, -fdump-rtl-loop2): Update the dump file names
11344 * doc/invoke.texi: Update dump file names.
11346 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
11348 * predict.c (estimate_probability): Remove.
11349 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
11350 * basic-block.h (estimate_probability): Remove prototype.
11351 * passes.c (finish_optimization_passes): Dump branch prediction or
11352 profiling heuristics to the .profile tree dump.
11353 (init_optimization_passes): Unqueue pass_branch_prob.
11355 * doc/invoke.texi (-fdump-rtl-bp): Remove.
11357 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11359 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
11360 * rtl.h (LABEL_NEXTREF): Remove field accessor.
11362 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
11364 * function.h (frame_offset_overflow): Declare.
11365 * function.c (frame_offset_overflow): New function.
11366 (assign_stack_local_1): Call it to detect that the offset overflows.
11367 * cfgexpand.c (alloc_stack_frame_space): Likewise.
11369 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11371 * config/sh/sh.c: Include alloc-pool.h.
11372 (label_ref_list_pool): New alloc pool.
11373 (label_ref_list_t): New type for lists of labels.
11374 (struct pool_node): Make wend a label_ref_list_t.
11375 (add_constant): Use the new type, eradicate LABEL_NEXTREF
11377 (dump_table): Likewise.
11378 (sh_reorg): Set up the alloc pool before using add_constant and
11379 dump_table, and destroy it when finishing.
11381 2006-03-11 Richard Sandiford <richard@codesourcery.com>
11383 * config/mips/mips.c: Remove redundant comment.
11385 2006-03-10 Jason Merrill <jason@redhat.com>
11388 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
11389 the target was declared 'register'.
11391 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
11393 * genpreds.c (write_insn_constraint_len): Change definition of
11394 insn_constraint_len to return size_t to match the declaration.
11396 2006-03-10 DJ Delorie <dj@redhat.com>
11398 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
11400 (m32c_expand_insv): Fix test for an AND mask.
11402 2006-03-10 Richard Guenther <rguenther@suse.de>
11404 PR middle-end/26565
11405 * builtins.c (get_pointer_alignment): Handle component
11406 references for field alignment.
11408 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11410 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
11411 when building with libgloss.
11412 (sh*elf): Implement --without-fp option.
11413 (sh64-superh-linux*): Don't multilib.
11415 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11417 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
11419 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
11421 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
11422 Set it when one of the replacement functions returned true.
11423 Return TODO_cleanup_cfg if cfgchanged is true.
11424 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
11426 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
11428 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
11429 instead of gen_lowpart.
11431 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11433 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
11435 (mips_output_order_conditional_branch): Declare.
11436 * config/mips/mips.h (MIPS_BRANCH): New macro.
11437 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
11438 for the comparison. Use gen_condjump.
11439 (mips_output_conditional_branch): Rework interface to take the
11440 asm templates for a direct branch and the inverse of a direct branch.
11441 (mips_output_order_conditional_branch): New function.
11442 (mips_builtin_branch_and_move): New function.
11443 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
11444 branch condition. Use gen_single_cc as the condition for
11445 __builtin_mips_upper_* or __builtin_mips_lower_*.
11446 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
11447 Use VOIDmode for the branch condition.
11448 * config/mips/predicates.md (order_operator): New predicate.
11449 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
11450 (branch_fp): Rename to...
11451 (*branch_fp): ...this. Remove mode from comparison operator.
11452 Use new mips_output_conditional_branch interface.
11453 (branch_fp_inverted): Rename to...
11454 (*branch_fp_inverted): ...this and update as for *branch_fp.
11455 (*branch_zero<mode>): Rename to...
11456 (*branch_order<mode>): ...this. Remove mode from comparison operator.
11457 Use mips_output_order_conditional_branch. Only accept ordered
11459 (*branch_zero<mode>_inverted): Rename to...
11460 (*branch_order<mode>_inverted): ...this and update as for
11461 *branch_order<mode>.
11462 (*branch_equality<mode>): Accept zero as the second operand to
11463 the equality operator. Use the new mips_output_conditional_branch
11465 (*branch_equality<mode>_inverted): Likewise.
11466 (condjump): New expander.
11467 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
11469 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
11470 (bc1any2t, bc1any2f): Likewise.
11471 (single_cc): New expander.
11472 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
11474 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11476 * doc/md.texi: Update documentation of MIPS constraints.
11477 * config/mips/constraints.md: New file.
11478 * config/mips/mips.md: Include it.
11479 * config/mips/mips.c (mips_char_to_class): Delete.
11480 (override_options): Don't initialize mips_char_to_class.
11481 * config/mips/mips.h (mips_char_to_class): Delete.
11482 (REG_CLASS_FROM_LETTER): Delete.
11483 (CONST_OK_FOR_LETTER_P): Delete.
11484 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11485 (EXTRA_CONSTRAINT_Y): Delete.
11486 (EXTRA_CONSTRAINT_STR): Delete.
11487 (CONSTRAINT_LEN): Delete.
11488 (EXTRA_MEMORY_CONSTRAINT): Delete.
11490 2006-03-09 Diego Novillo <dnovillo@redhat.com>
11492 * tree-cfg.c (move_block_to_fn): Remove the statements from the
11493 original fn's eh regions.
11495 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
11497 * fold-const.c (build_range_check): Make sure to use a valid type to
11498 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
11501 (range_predecessor): New static function.
11502 (range_successor): Likewise.
11503 (merge_ranges): Use them to compute predecessors and successors of
11506 2006-03-09 Roger Sayle <roger@eyesopen.com>
11508 PR middle-end/26561
11509 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
11510 X op C3, consider whether C3 overflows towards +Inf or -Inf.
11512 2006-03-08 DJ Delorie <dj@redhat.com>
11514 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
11515 (addpsi3): Expand to include memory operands. Remove
11516 reload-specific splits.
11517 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
11518 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
11519 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
11520 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
11521 (shift1_qi, shift1_hi, insv): New.
11522 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
11523 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
11524 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
11526 * config/m32c/m32c-protos.h: Update as needed.
11527 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
11528 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
11529 Fail for unrecognized R* constraints.
11530 (m32c_cannot_change_mode_class): Be more picky about pseudos.
11531 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
11532 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
11534 (m32c_init_libfuncs): New.
11535 (m32c_legitimate_address_p): Add debug wrapper.
11536 (m32c_rtx_costs): New.
11537 (m32c_address_cost): New.
11538 (conversions): Add 'B' prefix.
11539 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
11540 operands, or word regnames for QI operands. 'B' prints bit
11542 (m32c_expand_setmemhi): New.
11543 (m32c_expand_movmemhi): New.
11544 (m32c_expand_movstr): New.
11545 (m32c_expand_cmpstr): New.
11546 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
11547 (m32c_expand_neg_mulpsi3): Handle non-ints.
11548 (m32c_cmp_flg_0): New.
11549 (m32c_expand_movcc): New.
11550 (m32c_expand_insv): New.
11551 (m32c_scc_pattern): New.
11552 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
11553 a0/a1 out of SIregs.
11554 (STORE_FLAG_VALUE): New.
11555 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
11558 * config/m32c/mov.md: Make constraints more liberal.
11559 (zero_extendqihi2): Optimize r0/r1 case.
11560 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
11561 * config/m32c/predicates.md (m32c_any_operand): New.
11562 (m32c_nonimmediate_operand): New.
11563 (m32c_hl_operand): New.
11564 (m32c_r3_operand): New.
11567 (memsym_operand): New.
11568 (memimmed_operand): New.
11569 (a_qi_operand): New.
11570 (m32c_eqne_operator): New.
11571 (m32c_1bit8_operand): New.
11572 (m32c_1bit16_operand): New.
11573 (m32c_1mask8_operand): New.
11574 (m32c_1mask16_operand): New.
11575 * config/m32c/blkmov.md: New file.
11576 * config/m32c/t-m32c (MD_FILES): Add blkmov.
11578 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
11580 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
11581 unsigned to fix signed/unsigned comparison issue in
11582 DWARF2_FRAME_REG_OUT.
11583 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
11584 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
11586 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
11587 of ptr into the ENABLE_CHECKING section.
11589 2006-03-08 Jeff Law <law@redhat.com>
11591 * tree-vrp.c (infer_value_range): Only count pointer uses
11592 and dereferences if -fdelete-null-pointer-checks is enabled.
11594 * tree-vrp.c (find_assert_locations): Infer value ranges for
11595 single use pointers, but do not create ASSERT_EXPRs for them.
11596 When a non-null range is inferred for a pointer, backwards
11597 propagate that range to other equivalent pointers through the
11600 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
11603 * Makefile.in (dvi, html, install-info): Invoke the corresponding
11604 language hook targets.
11605 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
11606 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
11607 if language hook targets were missing.
11609 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
11611 * tree-ssa-opfinalize.h: Removed.
11612 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
11614 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
11615 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
11616 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
11617 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
11618 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
11619 finalize_ssa_v_must_def_ops): New.
11621 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
11623 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
11624 block as parameter.
11626 2006-03-07 Geoffrey Keating <geoffk@apple.com>
11628 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
11630 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
11631 addresses with offsets; reorganize.
11633 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
11634 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
11635 (expand_builtin_init_dwarf_reg_sizes): Likewise.
11637 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
11640 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
11642 2006-03-08 Ben Elliston <bje@au.ibm.com>
11644 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
11646 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
11649 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11652 2006-03-07 Richard Guenther <rguenther@suse.de>
11654 PR tree-optimization/26587
11655 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11657 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11659 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11661 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11663 * hooks.c (hook_bool_mode_rtx_true): New function.
11664 * hooks.h (hook_bool_mode_rtx_true): Declare.
11665 * toplev.c (compile_file): Call output_shared_constant_pool.
11666 * varasm.c (shared_constant_pool): New variable.
11667 (assemble_start_function, assemble_end_function): Remove arguments
11668 from call to output_constant_pool.
11669 (create_constant_pool): New function, split out from...
11670 (init_varasm_status): ...here.
11671 (force_const_mem): Choose between the shared and per-function constant
11672 pools. Set current_function_uses_const_pool when reusing old entries
11673 as well as when creating new ones.
11674 (mark_constant): Ignore data argument.
11675 (mark_constants): Remove pool argument.
11676 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
11677 to decide whether the function uses a constant pool.
11678 (output_constant_pool_contents): New function, split out from...
11679 (output_constant_pool): ...here.
11680 (output_shared_constant_pool): New function.
11681 (init_varasm_once): Initialize shared_constant_pool.
11682 * output.h (output_constant_pool): Delete.
11683 (output_shared_constant_pool): Declare.
11684 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11685 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11687 2006-03-06 Nick Clifton <nickc@redhat.com>
11689 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11690 flag_strength_reduce.
11692 2006-03-06 Ben Elliston <bje@au.ibm.com>
11694 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11695 x86_64-*-linux* configurations.
11697 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11698 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11700 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11702 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11704 * basic-block.h: Remove the extern for
11705 rediscover_loops_after_threading.
11707 * cfgloop.c (cancel_loop): Make it static.
11708 * cfgloop.h: Remove the prototype for cancel_loop.
11710 * flow.c (recompute_reg_usage): Make it static.
11711 * rtl.h: Remove the prototype for recompute_reg_usage.
11713 * function.c (use_return_register): Make it static.
11714 * function.h: Remove the prototype.
11716 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11718 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11720 * recog.h: Remove the prototype for
11721 validate_change_maybe_volatile.
11723 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11725 * rtlanal.c (replace_reg): Remove.
11726 * rtl.h: Remove the prototype for replace_reg.
11728 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11730 * regclass.c (reg_scan_update): Remove.
11731 (reg_scan_mark_refs): Remove the last argument.
11732 * rtl.h: Remove the prototype for reg_scan_update.
11734 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11736 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11737 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11738 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11739 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11740 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11741 loop-invariant.c, omp-low.c, opts.c, passes.c,
11742 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11743 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11744 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11745 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11746 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11747 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11749 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11751 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11752 * dwarf2out.h: Remove the prototype for
11753 dwarf2out_add_library_unit_info.
11755 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11757 * tree.c (add_var_to_bind_expr): Remove.
11758 * tree.h: Remove the prototype for add_var_to_bind_expr.
11760 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11762 * regclass.c (n_non_fixed_regs): Remove.
11763 (init_reg_sets_1, globalize_reg): Remove all uses of
11765 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11767 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11769 * rtlanal.c (insns_safe_to_move_p): Remove.
11770 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11772 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11774 * expmed.c (expand_mult_add): Remove.
11775 * expr.h: Remove the prototype for expand_mult_add.
11777 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11779 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11780 and REG_SAVED_VAL_EXP constants.
11781 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11782 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11783 Handle regs stored by value.
11784 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11785 (execute_cfa_program): Handle DW_CFA_val_offset,
11786 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11787 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11788 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11789 (uw_install_context_1): Handle target regs stored by value.
11791 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11793 * tree-sra.c (tree_sra): Return todoflags;
11794 (generate_one_element): Set TODO_update_smt_usage if needed.
11795 (pass_sra): Remove TODO_update_smt_usage.
11796 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11798 (tree_ssa_forward_propagate_single_use_vars): Return
11799 TODO_update_smt_usage if we need to update SMT usage.
11800 (pass_forwprop): Remove TODO_update_smt_usage.
11802 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11804 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11805 (correct_use_link): Remove reference to get_stmt_operands.
11806 (update_stmt_operands): Likewise.
11807 (get_modify_expr_operands): New function factored out of
11808 parse_ssa_operands and get_expr_operands.
11809 Try to create V_MUST_DEFs for LHS by default.
11810 (get_expr_operands) <case MODIFY_EXPR>: Call
11811 get_modify_expr_operands.
11812 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11813 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11814 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11815 get_modify_expr_operands.
11817 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11819 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11820 * tree-flow.h: Remove the prototype for
11821 referenced_var_lookup_if_exists.
11823 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11825 PR rtl-optimization/26345
11827 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11829 2006-03-03 Roger Sayle <roger@eyesopen.com>
11831 PR tree-optimization/26524
11832 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11833 fold_convert to create a constant of the appropriate type.
11835 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11837 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11838 SYMBOL_REF_IN_BLOCK_P.
11839 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11840 of SYMBOL_FLAG_IN_BLOCK.
11841 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11842 instead of SYMBOL_REF_IN_BLOCK_P.
11843 * explow.c (use_anchored_address): Likewise.
11844 * rtl.c (rtx_size): Likewise.
11845 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11846 instead of SYMBOL_FLAG_IN_BLOCK.
11847 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11848 SYMBOL_REF_IN_BLOCK_P.
11849 (assemble_variable): Likewise.
11850 (output_constant_def_contents): Likewise.
11851 (output_constant_pool): Likewise.
11852 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11853 instead of SYMBOL_FLAG_IN_BLOCK.
11854 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11855 SYMBOL_REF_IN_BLOCK_P.
11856 (SYMBOL_REF_BLOCK): Likewise.
11857 (SYMBOL_REF_OFFSET): Likewise.
11858 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11859 SYMBOL_REF_IN_BLOCK_P.
11860 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11861 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11862 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11863 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11865 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11867 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11869 2006-03-02 Roger Sayle <roger@eyesopen.com>
11871 * simplify-rtx.c (simplify_unary_operation): When simplifying
11872 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11873 that we perform the right shift in the appropriate mode, and
11874 then extend or truncate the result to requested mode.
11876 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11878 * gengtype.c (main): Handle double_int type.
11879 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11880 * double-int.c: New file.
11881 * double-int.h: New file.
11882 * system.h: Include doubleint.h.
11883 * Makefile.in (SYSTEM_H): Include double-int.h.
11884 (double-int.o): Add.
11886 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11889 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11892 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11894 * tree-vrp.c (remove_range_assertions): Do not update statements
11897 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11899 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11901 * gcse.c (rest_of_handle_gcse): Ditto.
11902 * except.c (gate_handle_eh): Ditto.
11903 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11904 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11906 2006-03-02 Eric Christopher <echristo@apple.com>
11908 * config/i386/i386.c (machopic_output_stub): Add indirection to
11911 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11915 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11917 Sun Niagara specific optimizations.
11918 * config.gcc: Recognize niagara as target.
11919 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11920 (TARGET_CPU_niagara): Define.
11921 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11922 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11923 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11924 (ASM_CPU_SPEC): Likewise.
11925 (PROCESSOR_NIAGARA): New enum entry.
11926 (REGISTER_MOVE_COST): Handle Niagara.
11927 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11928 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11929 (sparc_override_options): Recognize "niagara", set appropriate
11930 default MASK_* values for it, and align functions to 32-bytes
11931 by default just like ULTRASPARC/ULTRASPARC3.
11932 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11933 (sparc64_initialize_trampoline): Likewise.
11934 (sparc_use_sched_lookahead): Use zero for niagara.
11935 (sparc_issue_rate): Use one for niagara.
11936 * config/sparc/niagara.md: New file.
11937 * config/sparc/sparc.md: Include it.
11938 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11939 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11940 when default cpu is niagara.
11941 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11942 (ASM_CPU_SPEC): Likewise.
11943 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11944 when default cpu is niagara.
11945 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11946 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11947 just like v9/ultrasparc/ultrasparc3.
11948 * doc/invoke.texi: Add documentation for "niagara" and improve
11949 existing documentation for ultrasparc variants.
11951 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11953 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11955 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11957 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11958 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11959 and say that only one is needed.
11960 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11961 * target.h (have_switchable_bss_sections): New hook.
11962 * explow.c (use_anchored_address): Check that the symbol is in a block.
11963 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11964 (bss_noswitch_section): New variables.
11965 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11966 (get_noswitch_section): New function.
11967 (get_block_for_section): Allow SECT to be null.
11968 (unlikely_text_section_p): Use SECTION_STYLE.
11969 (bss_initializer_p): New function.
11970 (get_variable_section): Move earlier in file. Take a new argument,
11971 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11972 Return one of the new *_sections in such cases.
11973 (get_block_for_decl): New function, extracting some logic from
11974 use_blocks_for_decl_p.
11975 (change_symbol_section): Remove in favor of...
11976 (change_symbol_block): ...this new function.
11977 (use_blocks_for_decl_p): Remove checks now performed by
11978 get_block_for_decl.
11979 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11980 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11981 (emit_local, emit_bss, emit_common): ...these new functions.
11982 Return true if the alignment was honored.
11983 (emit_tls_common): New function.
11984 (asm_emit_uninitialised): Delete.
11985 (assemble_variable_noswitch): New function, split out from...
11986 (assemble_variable): ...here. Don't make decisions about common
11987 variables here. Globalize all public decls that go into non-common
11988 sections. Check whether SYMBOL_REF_BLOCK is null.
11989 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11990 (output_constant_pool): Likewise.
11991 (init_varasm_once): Initialize the new section variables.
11992 (have_global_bss_p): New function.
11993 (categorize_decl_for_section): Use bss_initializer_p.
11994 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11995 (place_block_symbol): Assert that the symbol must be in a block.
11996 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11997 (TARGET_INITIALIZER): Include it.
11998 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11999 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
12000 (SECTION_MACH_DEP): Bump by two.
12001 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
12002 (unnamed_section): Mention SECTION_UNNAMED in comment.
12003 (named_section): Likewise SECTION_NAMED.
12004 (noswitch_section_callback): New type.
12005 (noswitch_section): New structure.
12006 (section): Add a noswitch_section alternative.
12007 (SECTION_STYLE): New macro.
12008 (tls_comm_section, comm_section, lcomm_section): Declare.
12009 (bss_noswitch_section, have_global_bss_p): Declare.
12010 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12011 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12013 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12014 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12017 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
12019 * tree-vrp.c (execute_vrp): Return value.
12020 * regrename.c (rest_of_handle_regrename): Ditto.
12021 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
12022 * tree-complex.c (tree_lower_complex): Ditto.
12023 (tree_lower_complex_O0): Ditto.
12024 * tracer.c (rest_of_handle_tracer): Ditto.
12025 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
12026 * postreload.c (rest_of_handle_postreload): Ditto.
12027 * tree-tailcall.c (execute_tail_recursion): Ditto.
12028 (execute_tail_calls): Ditto.
12029 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12030 * tree.h (init_function_for_compilation): Ditto.
12031 * ipa-cp.c (ipcp_driver): Ditto.
12032 * tree-scalar-evolution.c (scev_const_prop): Ditto.
12033 * tree-scalar-evolution.h (scev_const_prop): Ditto.
12034 * final.c (compute_alignments): Ditto.
12035 (rest_of_handle_final): Ditto.
12036 (rest_of_handle_shorten_branches): Ditto.
12037 (rest_of_clean_state): Ditto.
12038 * omp-low.c (execute_expand_omp): Ditto.
12039 (execute_lower_omp): Ditto.
12040 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
12041 * ipa-reference.c (static_execute): Ditto.
12042 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
12043 * reorg.c (rest_of_handle_delay_slots): Ditto.
12044 (rest_of_handle_machine_reorg): Ditto.
12045 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
12046 * flow.c (recompute_reg_usage): Ditto.
12047 (rest_of_handle_remove_death_notes): Ditto.
12048 (rest_of_handle_life): Ditto.
12049 (rest_of_handle_flow2): Ditto.
12050 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
12051 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
12052 (do_ssa_store_ccp): Ditto.
12053 (execute_fold_all_builtins): Ditto.
12054 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
12055 * modulo-sched.c (rest_of_handle_sms): Ditto.
12056 * ipa-pure-const.c (static_execute): Ditto.
12057 * cse.c (rest_of_handle_cse): Ditto.
12058 (rest_of_handle_cse2): Ditto.
12059 * web.c (rest_of_handle_web): Ditto.
12060 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
12061 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
12062 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
12063 * tree-nrv.c (tree_nrv): Ditto.
12064 (execute_return_slot_opt): Ditto.
12065 * tree-ssa-alias.c (compute_may_aliases): Ditto.
12066 (create_structure_vars): Ditto.
12067 * loop-init.c (rtl_loop_init): Ditto.
12068 (rtl_loop_done): Ditto.
12069 (rtl_move_loop_invariants): Ditto.
12070 (rtl_unswitch): Ditto.
12071 (rtl_unroll_and_peel_loops): Ditto.
12072 (rtl_doloop): Ditto.
12073 * gimple-low.c (lower_function_body): Ditto.
12074 (mark_used_blocks): Ditto.
12075 * tree-ssa-sink.c (execute_sink_code): Ditto.
12076 * ipa-inline.c (cgraph_decide_inlining): Ditto.
12077 (cgraph_early_inlining): Ditto.
12078 * global.c (rest_of_handle_global_alloc): Ditto.
12079 * jump.c (cleanup_barriers): Ditto.
12080 (purge_line_number_notes): Ditto.
12081 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
12082 (rest_of_handle_if_after_reload): Ditto.
12083 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
12084 (tree_ssa_loop_im): Ditto.
12085 (tree_ssa_loop_unswitch): Ditto.
12086 (tree_vectorize): Ditto.
12087 (tree_linear_transform): Ditto.
12088 (tree_ssa_loop_ivcanon): Ditto.
12089 (tree_ssa_empty_loop): Ditto.
12090 (tree_ssa_loop_bounds): Ditto.
12091 (tree_complete_unroll): Ditto.
12092 (tree_ssa_loop_prefetch): Ditto.
12093 (tree_ssa_loop_ivopts): Ditto.
12094 (tree_ssa_loop_done): Ditto.
12095 * predict.c (tree_estimate_probability): Ditto.
12096 * recog.c (split_all_insns_noflow): Ditto.
12097 (rest_of_handle_peephole2): Ditto.
12098 (rest_of_handle_split_all_insns): Ditto.
12099 * tree-eh.c (lower_eh_constructs): Ditto.
12100 * regmove.c (rest_of_handle_regmove): Ditto.
12101 (rest_of_handle_stack_adjustments): Ditto.
12102 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
12103 * function.c (instantiate_virtual_regs): Ditto.
12104 (init_function_for_compilation): Ditto.
12105 (rest_of_handle_check_leaf_regs): Ditto.
12106 * gcse.c (rest_of_handle_jump_bypass): Ditto.
12107 (rest_of_handle_gcse): Ditto.
12108 * ipa-type-escape.c (type_escape_execute): Ditto.
12109 * alias.c (rest_of_handle_cfg): Ditto.
12110 * tree-if-conv.c (main_tree_if_conversion): Ditto.
12111 * profile.c (rest_of_handle_branch_prob): Ditto.
12112 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
12113 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
12114 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
12115 * tree-dfa.c (find_referenced_vars): Ditto.
12116 * except.c (set_nothrow_function_flags): Ditto.
12117 (convert_to_eh_region_ranges): Ditto.
12118 (rest_of_handle_eh): Ditto.
12119 * emit-rtl.c (unshare_all_rtl): Ditto.
12120 (remove_unnecessary_notes): Ditto.
12121 * except.h (set_nothrow_function_flags): Ditto.
12122 (convert_to_eh_region_ranges): Ditto.
12123 * cfgexpand.c (tree_expand_cfg): Ditto.
12124 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
12125 * tree-ssa-pre.c (do_pre): Ditto.
12126 (execute_fre): Ditto.
12127 * cfgcleanup.c (rest_of_handle_jump): Ditto.
12128 (rest_of_handle_jump2): Ditto.
12129 * tree-sra.c (tree_sra): Ditto.
12130 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
12131 (execute_mudflap_function_decls): Ditto.
12132 * tree-ssa-copy.c (do_copy_prop): Ditto.
12133 (do_store_copy_prop): Ditto.
12134 * ipa-prop.h (ipcp_driver): Ditto.
12135 * cfglayout.c (insn_locators_initialize): Ditto.
12136 * tree-ssa-forwprop.c
12137 (tree_ssa_forward_propagate_single_use_vars): Ditto.
12138 * cfglayout.h (insn_locators_initialize): Ditto.
12139 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
12140 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
12141 (execute_late_warn_uninitialized): Ditto.
12142 * rtl.h (cleanup_barriers): Ditto.
12143 (split_all_insns_noflow): Ditto.
12144 (purge_line_number_notes): Ditto.
12145 (unshare_all_rtl): Ditto.
12146 (remove_unnecessary_notes): Ditto.
12147 (recompute_reg_usage): Ditto.
12148 (variable_tracking_main): Ditto.
12149 * integrate.c (emit_initial_value_sets): Ditto.
12150 * integrate.h (emit_initial_value_sets): Ditto.
12151 * tree-optimize.c (execute_free_datastructures): Ditto
12152 (execute_free_cfg_annotations): Ditto.
12153 (execute_fixup_cfg): Ditto.
12154 (execute_cleanup_cfg_pre_ipa): Ditto.
12155 (execute_cleanup_cfg_post_optimizing): Ditto.
12156 (execute_init_datastructures): Ditto.
12157 * tree-object-size.c (compute_object_sizes): Ditto.
12158 * combine.c (rest_of_handle_combine): Ditto.
12159 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
12160 * bb-reorder.c (duplicate_computed_gotos): Ditto.
12161 (rest_of_handle_reorder_blocks): Ditto.
12162 (rest_of_handle_partition_blocks): Ditto.
12163 * var-tracking.c (variable_tracking_main): Ditto.
12164 * tree-profile.c (tree_profiling): Ditto.
12165 * tree-vect-generic.c (expand_vector_operations): Ditto.
12166 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
12167 * sched-rgn.c (rest_of_handle_sched): Ditto.
12168 (rest_of_handle_sched2): Ditto.
12169 * basic-block.h (free_bb_insn): Ditto.
12170 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
12171 * tree-cfg.c (execute_build_cfg): Ditto.
12172 (remove_useless_stmts): Ditto.
12173 (split_critical_edges): Ditto.
12174 (execute_warn_function_return): Ditto.
12175 (execute_warn_function_noreturn): Ditto.
12176 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
12177 * cfgrtl.c (free_bb_for_insn): Ditto.
12178 * passes.c (execute_one_pass): Run additional
12179 todos returned by execute function.
12180 * tree-pass.h (struct tree_opt_pass): Make execute
12183 2006-03-02 Richard Guenther <rguenther@suse.de>
12185 * tree-ssa-alias.c (find_used_portions): Consider taking
12186 the address as making the variable not write-only.
12188 2006-03-02 Nick Clifton <nickc@redhat.com>
12190 * config.gcc (default_use_cxa_atexit): Extend the description of
12191 this configure variable. Set its default value to "yes" for
12192 Linux, NetBSD and ELF targets on the assumption that they will
12193 use C libraries with the __cxa_atexit function.
12195 2006-03-02 Ben Elliston <bje@au.ibm.com>
12197 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
12198 parameter as unused to suppress a build warning.
12200 2006-03-02 Ben Elliston <bje@au.ibm.com>
12202 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
12205 2006-03-01 Roger Sayle <roger@eyesopen.com>
12208 * gthr-posix.h (__gthrw2): Define to take three parameters, the
12209 declared name, the weak reference name, and the typeof name.
12210 (__gthrw): Avoid expanding the declared name suffix.
12211 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
12213 2006-03-01 Jakub Jelinek <jakub@redhat.com>
12215 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
12217 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
12218 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
12219 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
12220 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
12221 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
12222 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
12223 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
12224 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
12225 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
12226 DW_DS_leading_separate, DW_DS_trailing_separate): New.
12227 (DW_END_default, DW_END_big, DW_END_little): New.
12228 (DW_END_lo_user, DW_END_hi_user): Define.
12229 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
12230 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
12231 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
12234 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12236 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
12238 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
12240 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
12242 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
12244 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
12245 to 'symbol_mem_tag'.
12247 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
12250 2006-03-01 Roger Sayle <roger@eyesopen.com>
12252 * builtins.c (fold_builtin_copysign): Delete unreachable code.
12254 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12257 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
12258 MACHO_DYNAMIC_NO_PIC_P.
12259 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
12261 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12264 * config/darwin-protos.h (darwin_asm_output_anchor):
12266 * config/darwin-sections.def (cstring_section):
12267 Add SECTION_MERGE to the flags.
12268 (literal4_section): Likewise.
12269 (literal8_section): Likewise.
12270 (objc_selector_refs_section): Likewise.
12271 (objc_cls_refs_section): Likewise.
12272 * config/darwin.c (darwin_asm_output_anchor): New
12274 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12276 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
12278 Fix PR tree-optimization/26443
12279 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
12280 to todo and PROP_tmt_usage to properties_destroyed.
12281 * tree-ssa-ccp.c (pass_ccp): Ditto.
12282 (pass_store_ccp): Ditto.
12283 * tree-ssa-dom.c (pass_dominator): Ditto.
12285 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12287 * tree-ssa-operands.c: Cleanup whitespace.
12288 (get_asm_expr_operands): Move before first invocation.
12289 (get_indirect_ref_operands): Likewise.
12290 (get_tmr_operands): Likewise.
12291 (get_call_expr_operands): Likewise.
12292 (append_def): Likewise.
12293 (append_use): Likewise.
12294 (append_v_may_def): Likewise.
12295 (append_v_must_def): Likewise.
12296 (add_call_clobber_ops): Likewise.
12297 (add_call_read_ops): Likewise.
12298 (add_stmt_operand): Likewise.
12299 (add_virtual_operand): Likewise.
12300 (build_ssa_operands): Likewise.
12302 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12304 PR middle-end/26022
12306 PR middle-end/24437
12307 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12308 with a call expr to ...
12309 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12311 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12313 * tree-vrp.c (extract_range_from_assert): Remove special
12314 handling for types with super-types.
12316 2006-03-01 Ben Elliston <bje@au.ibm.com>
12318 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
12319 and powerpc64-*-linux* configurations.
12320 * config/t-dfprules: New file.
12322 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
12323 Compile dfp-bit.c from the source directory using -DWIDTH and
12324 $DFP_CFLAGS to control the compilation of that file, rather than
12325 generating width-specific versions in the build directory.
12326 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
12327 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
12329 2006-02-28 Zack Weinberg <zackw@panix.com>
12331 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
12334 2006-02-28 Eric Christopher <echristo@apple.com>
12336 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
12337 Set up IN_LIBGCC definition of TARGET_64BIT.
12338 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
12340 2006-02-28 Roger Sayle <roger@eyesopen.com>
12342 PR middle-end/14752
12343 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
12344 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
12345 cases via the construction of "expr != 0".
12347 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
12349 * alias.c (alias_invariant, alias_invariant_size): Remove.
12350 (record_base_value): Remove.
12351 (memrefs_conflict_p): Don't look at alias_invariant.
12352 (end_alias_analysis): Don't free it.
12353 * alias.h (record_base_value): Remove prototype.
12355 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
12356 Adam Nemet <anemet@caviumnetworks.com>
12358 * rtl.h (truncated_to_mode): Declare it.
12359 (struct rtl_hooks): Add reg_truncated_to_mode hook.
12360 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
12361 (RTL_HOOKS_INITIALIZER): Include it.
12362 * rtlhooks.c (reg_truncated_to_mode_general): New function.
12363 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
12364 reg_truncated_to_mode.
12365 * rtlanal.c (truncated_to_mode): Define it.
12366 * simplify-rtx.c (simplify_unary_operation_1): Use it.
12368 2006-02-28 Jeff Law <law@redhat.com>
12370 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
12371 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
12372 the range allowed by TYPE_PRECISION.
12374 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
12376 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
12378 PR tree-optimization/26419
12379 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
12382 2006-02-27 Zack Weinberg <zackw@panix.com>
12384 * doc/md.texi: Fix typo in previous change.
12386 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
12390 2006-02-27 Zack Weinberg <zackw@panix.com>
12392 * rtl.def (define_constraint, define_register_constraint)
12393 (define_memory_constraint, define_address_constraint): New MD forms.
12394 * gensupport.c (process_rtx): Put define_constraint etc on the
12396 * genpreds.c (process_define_predicate): Adjust comment. Validate
12397 the name, and call validate_exp to validate the expression.
12398 (mark_mode_tests, write_extract_subexp): Can assume correct input.
12399 (write_predicate_expr): Likewise. NAME argument no longer necessary;
12400 all callers changed.
12401 (validate_exp, needs_variable, struct constraint_data)
12402 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
12403 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
12404 (const_dbl_constraints, constraint_max_namelen)
12405 (have_register_constraints, have_memory_constraints)
12406 (have_address_constraints, have_address_constraints)
12407 (have_extra_constraints, have_const_int_constraints)
12408 (have_const_dbl_constraints, mangle, add_constraint)
12409 (process_define_constraint, process_define_register_constraint)
12410 (write_enum_constraint_num, write_lookup_constraint)
12411 (write_insn_constraint_len, write_regclass_for_constraint)
12412 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
12413 (write_insn_extra_memory_constraint)
12414 (write_insn_extra_address_constraint)
12415 (write_satisfies_constraint_fns): New.
12416 (write_tm_preds_h): If we have new-style constraint definitions,
12417 prototype the functions generated from them, and define the
12418 old constraint interface (still used by generic code) in terms of
12420 (write_insn_preds_c): If we have new-style constraint definitions,
12421 generate all relevant functions from those definitions.
12422 (main): Handle define_constraint etc.
12423 * genoutput.c (struct constraint_data, indep_constraints)
12424 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
12425 (mdep_constraint_len): New data structures and functions, defined
12426 #ifdef USE_MD_CONSTRAINTS.
12427 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
12428 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
12429 use new logic to validate operand constraints against constraint
12431 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
12433 * defaults.h: If none of the old-style constraint macros are
12434 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
12435 old-style macros; and poison REG_CLASS_FROM_LETTER,
12436 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
12438 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
12439 * doc/md.texi: Document new constraint-definition mechanism and the
12440 C interface it provides. Remove references to old mechanism
12441 elsewhere in the document.
12442 (Machine Constraints): Use pathnames relative to gcc directory,
12443 i.e. config/ARCH/FILE. Change i386 section to refer to
12444 config/i386/predicates.md; update that section to match docstrings.
12445 * doc/tm.texi: Move all documentation of the old constraint-
12446 definition macros to their own section, clearly mark as obsolete.
12448 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
12449 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
12451 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
12452 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
12453 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
12454 constraint strings.
12455 (splits and peepholes): Use satisfies_constraint_*.
12456 * config/i386/i386.c (memory_address_length)
12457 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
12459 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12461 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
12462 scalar operation to be put back into the loop.
12464 2006-02-27 Jakub Jelinek <jakub@redhat.com>
12467 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
12468 (extract_cie_info): Handle S flag in augmentation string.
12469 (execute_cfa_program): If context->signal_frame, execute also
12470 fs->pc == context->ra instructions.
12471 (uw_frame_state_for): If context->signal_frame, don't subtract one
12472 from context->ra to find FDE.
12473 (uw_update_context_1): Set context->signal_frame to
12475 (_Unwind_GetIPInfo): New function.
12476 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
12477 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
12479 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
12480 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
12481 * unwind-compat.c (_Unwind_GetIPInfo): New function.
12482 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
12483 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
12484 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
12485 * config/i386/linux-unwind.h (x86_fallback_frame_state,
12486 x86_64_fallback_frame_state): Set fs->signal_frame.
12487 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
12488 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
12489 (frob_update_context): Likewise. Workaround missing S flag in
12490 Linux 2.6.12 - 2.6.16 kernel vDSOs.
12491 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
12492 Remove the psw_addr + 1 hack.
12494 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12496 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
12497 with aggregates here.
12498 (find_func_aliases): Remove code for &<aggregate> from here.
12500 2006-02-26 Roger Sayle <roger@eyesopen.com>
12502 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
12503 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
12504 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
12505 as (X & C) ne/eq 0.
12507 2006-02-26 Roger Sayle <roger@eyesopen.com>
12509 PR middle-end/19983
12510 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
12512 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
12514 * opts.c (decode_options): Do not handle flag_strength_reduce.
12515 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
12516 and OPT_fstrength_reduce.
12517 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
12518 flag_prefetch_loop_arrays for being nonzero.
12519 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
12521 (fprefetch-loop-arrays-rtl): Removed.
12522 (flag_prefetch_loop_arrays): Do not specify the value.
12524 * doc/passes.texi: Update documentation of loop optimizer
12526 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
12527 -frerun-loop-opt): Remove.
12529 2006-02-26 Richard Guenther <rguenther@suse.de>
12531 PR tree-optimization/26421
12532 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
12533 in function calls that are ADDR_EXPRs as using the whole structure.
12535 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
12537 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
12538 * tree-pass.h (pass_loop_optimize): Remove.
12539 * passes.c (pass_loop_optimize): Never run it.
12540 * toplev.c (backend_init): Don't call init_loop.
12541 * opts.c (flag_loop_optimize_set): Remove.
12542 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
12543 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
12544 the old RTL loop optimizer when profiling enabled.
12545 * predict.c (tree_estimate_probability): Always strip builtin_expect.
12546 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
12547 pre-headers for the sake of the old RTL loop optimizer.
12548 * Makefile.in: Remove all references to loop.o.
12550 * doc/invoke.texi: Remove all references to -floop-optimize
12551 and -frerun-loop-opt.
12553 2006-02-26 Zack Weinberg <zackw@panix.com>
12555 * doc/md.texi (Machine Constraints): Refer to all files with paths
12556 relative to gcc directory (i.e. config/CPU/file). Add missing
12557 @table @code ... @end table to M32C subsection.
12559 2006-02-26 Roger Sayle <roger@eyesopen.com>
12561 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
12563 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
12565 2006-02-26 Roger Sayle <roger@eyesopen.com>
12566 James A. Morrison <phython@gcc.gnu.org>
12568 PR middle-end/21137
12569 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
12570 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
12571 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
12572 signedness of the shift operation.
12574 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
12576 PR tree-optimization/26359
12577 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
12579 2006-02-25 Roger Sayle <roger@eyesopen.com>
12581 * simplify-rtx.c (simplify_relational_operation_1): Simplify
12582 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
12583 as X == 0, and some symmetry related transformations.
12584 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
12586 2006-02-25 Roger Sayle <roger@eyesopen.com>
12588 PR middle-end/23673
12589 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
12590 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
12591 symmetry related transformations. Fold (X^C1) == C2 as
12594 2006-02-25 Juergen Weigert <jw@suse.de>
12595 Richard Guenther <rguenther@suse.de>
12597 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
12599 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
12601 * combine.c (gen_lowpart_or_truncate): Call
12602 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
12604 2006-02-24 Diego Novillo <dnovillo@redhat.com>
12606 * doc/invoke.texi: Move -fopenmp description to "Options for
12608 Remove reference to -lgomp.
12610 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12612 * doc/install.texi: Require GNU tar version 1.14.
12614 2006-02-24 Geoffrey Keating <geoffk@apple.com>
12616 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
12617 * doc/invoke.texi (C++ Dialect Options): Document
12618 -fno-use-cxa-get-exception-ptr.
12619 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
12620 * configure: Regenerate.
12621 * c.opt (fuse-cxa-get-exception-ptr): New.
12622 * c-opts.c (c_common_handle_option): Handle
12623 OPT_fuse_cxa_get_exception_ptr.
12624 * c-common.c (flag_use_cxa_atexit): Update documentation.
12625 (flag_use_cxa_get_exception_ptr): New.
12626 * c-common.h (flag_use_cxa_get_exception_ptr): New.
12627 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
12629 (C_COMMON_OVERRIDE_OPTIONS): New.
12631 2006-02-24 Roger Sayle <roger@eyesopen.com>
12633 PR middle-end/24952
12634 * combine.c (try_combine): Explicitly check whether GET_CODE is
12635 a SET or a CLOBBER, instead on checking that it isn't a USE.
12637 2006-02-24 Roger Sayle <roger@eyesopen.com>
12639 * fold-const.c (fold_comparison): New subroutine of fold_binary
12640 containing transformations common to both the equality and
12641 ordering relational operators, factored out of fold_binary.
12642 (fold_binary): Separate out the equality operators (EQ_EXPR
12643 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
12644 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
12645 transformations common to both.
12646 (fold_div_compare): Fix latent bugs in the previously unreachable
12647 LT_EXPR and GE_EXPR cases.
12649 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12651 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12652 decl libname for clog to __clog on AIX.
12654 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12656 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12659 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12660 output traceback table for thunks. Localise rs6000_stack_info call.
12662 2006-02-23 Roger Sayle <roger@eyesopen.com>
12663 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12665 * gthr-posix.h (__gthrw): Fix typo in comment.
12667 2006-02-23 Geoffrey Keating <geoffk@apple.com>
12669 * doc/cpp.texi (Character sets): Document that we do support
12670 input files to be in any character set.
12672 2006-02-23 Jeff Law <law@redhat.com>
12674 * tree.h (PHI_ARG_NONZERO): Remove.
12675 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12676 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12677 node to the new node.
12679 PR tree-optimization/26425
12680 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12681 min/max, then assume its varying.
12683 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12685 PR rtl-optimization/26316
12686 * rtlanal.c (enum may_trap_p_flags): New.
12687 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
12688 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12689 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12690 (may_trap_after_code_motion_p): New function.
12691 * loop-invariant.c (find_identical_invariants): Fix dump formating.
12692 (find_invariant_insn): Use may_trap_after_code_motion_p.
12693 * rtl.h (may_trap_after_code_motion_p): Declare.
12695 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12697 * emit-rtl.c (immed_double_const): Cleanup.
12699 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12701 Fix PR tree-optimization/26376
12702 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12705 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12707 PR middle-end/26412
12708 * gimplify.c (omp_add_variable): Guard variable size decl test with
12709 DECL_SIZE (decl) check.
12711 2006-02-23 Richard Guenther <rguenther@suse.de>
12713 PR middle-end/26439
12714 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12715 like aggregate types.
12717 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12719 * configure.ac: Add --with{,out}-long-double-128 configure option.
12720 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12721 * configure: Rebuilt.
12722 * config.in: Rebuilt.
12723 * doc/install.texi (Options specification): Document
12724 --with-long-double-128.
12726 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12727 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12728 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12729 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12731 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12733 * config/s390/s390.c (override_options): Handle
12734 TARGET_DEFAULT_LONG_DOUBLE_128.
12736 * config/alpha/alpha.c (override_options): Handle
12737 TARGET_DEFAULT_LONG_DOUBLE_128.
12739 * config/sparc/sparc.c (sparc_override_options): Handle
12740 TARGET_DEFAULT_LONG_DOUBLE_128.
12742 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12744 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12745 (real-install-headers-tar, real-install-headers-cpio)
12746 (real-install-headers-cp): New targets.
12748 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12750 * tree.h (variable_section): Delete.
12751 * varasm.c (variable_section): Delete.
12753 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12755 * install.texi: Add notes on install.texi2html.
12756 (Building in parallel): Do not use footnotes.
12758 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12761 * doc/install.texi (Configuration): Document --disable-libgomp.
12763 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12765 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12767 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12769 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12770 (vec_extractv2df_0_sse): New.
12772 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12774 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12775 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12776 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12777 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12778 to the result of the expression.
12779 (def_cfa_1): Adjust.
12780 (frame_pointer_cfa_offset): Rename to...
12781 (frame_pointer_fb_offset): ... this. Adjust all uses.
12782 (convert_cfa_to_loc_list): Rename to...
12783 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12784 Pass it on to build_cfa_loc.
12785 (compute_frame_pointer_to_cfa_displacement): Rename to...
12786 (compute_frame_pointer_to_fb_displacement): ... this. New
12787 offset parameter. Use it in computation.
12788 (gen_subprogram_die): Compute cfa_fb_offset with the new
12789 macro, and use it to compute the fb loc list and the
12792 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12794 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12795 replaced with register_operand.
12796 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12797 non-DREG is expensive.
12798 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12799 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12802 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12804 * doc/install.texi2html: Use set -e.
12806 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12808 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12809 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12810 * doc/invoke.texi (-fshared-data): Delete.
12811 * common.opt (fshared-data): Delete.
12812 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12813 (assemble_static_space): Remove #if 0 code.
12814 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12815 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12816 * config/cris/cris.h: Remove FIXME.
12818 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12820 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12823 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12825 PR middle-end/26379
12826 * combine.c (simplify_shift_const_1): Disable nested shifts
12827 optimization for vector shifts.
12829 2006-02-20 Roger Sayle <roger@eyesopen.com>
12831 PR tree-optimization/26361
12832 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12833 of unsigned integer types.
12835 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12837 * tree-chrec.c (eq_evolutions_p): New.
12838 * tree-chrec.h (eq_evolutions_p): Declared.
12839 * tree-data-ref.c: Fix formatting.
12840 (datadep_stats, dependence_stats): New.
12842 (print_direction_vector): New.
12843 (dump_data_dependence_relation): Use print_direction_vector.
12844 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12845 (compute_subscript_distance): Static.
12846 (initialize_data_dependence_relation): Static. Get the number
12847 of loops surrounding the references from the callers, and initialize
12848 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12849 base_object_differ_p analyzers.
12850 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12851 compute_overlap_steps_for_affine_1_2,
12852 analyze_subscript_affine_affine): Count the classified dependences.
12853 Print a message when a test failed.
12854 (can_use_analyze_subscript_affine_affine): New.
12855 (analyze_siv_subscript): Compute the data dependences on symbolic
12856 scevs that verify can_use_analyze_subscript_affine_affine.
12857 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12858 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12859 Handle symbolic scevs.
12860 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12862 (subscript_dependence_tester): Moved...
12863 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12864 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12865 DDR_SIZE_VECT instead of getting it in parameter.
12866 (subscript_dependence_tester): ... here. Take as a parameter
12867 loop_nest_depth. Call build_classic_dist_vector and
12868 build_classic_dir_vector.
12869 (compute_affine_dependence): Update subscript_dependence_tester
12870 parameters. Update datadep_stats counters. Call
12871 compute_subscript_distance.
12872 (compute_self_dependence): Save the dist and dir vectors. Call
12873 compute_subscript_distance.
12874 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12875 (compute_all_dependences): Reorder parameters as they were before
12876 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12877 compute_subscript_distance. Update the use of
12878 compute_affine_dependence and initialize_data_dependence_relation.
12879 (find_data_references_in_loop): Handle COMPONENT_REF.
12880 (compute_data_dependences_for_loop): Initialize dependence_stats.
12881 Don't call build_classic_dist_vector and build_classic_dir_vector.
12882 Update the parameters of initialize_data_dependence_relation and
12883 compute_all_dependences. Print the statistics from datadep_stats.
12884 (analyze_all_data_dependences): Static. Not used until the pass for
12885 checking the data dependences is contributed.
12886 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12887 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12888 (initialize_data_dependence_relation, compute_affine_dependence,
12889 analyze_all_data_dependences, compute_subscript_distance): Removed.
12890 (print_direction_vector): New.
12891 * lambda.h (gcd): ... here.
12892 (lambda_vector_gcd): Moved here from gcd_vector.
12893 * lambda-code.c (gcd, gcd_vector): Removed.
12894 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12895 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12897 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12899 * ipa-type-escape.c: Tidy some comments and white space.
12900 * tree-ssa-operands.c: Likewise.
12902 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12905 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12906 (dump_decl_name): Do not walk the decl tree chains.
12907 * tree-pass.h (TDF_CHAIN): Remove.
12909 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12911 * Makefile.in (C): Remove
12913 (.PHONY): Remove C and PROTO
12915 2006-02-20 Roger Sayle <roger@eyesopen.com>
12917 PR middle-end/26236
12918 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12919 deprecated CHAR_TYPE tree code.
12921 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12923 * configure.ac (target_list): Add install-info, dvi, html.
12924 * configure: Regenerate.
12926 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12927 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12928 treelang/Make-lang.in: Do not use double-colon rules.
12930 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12932 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12933 (TMT_USED_ALONE): New macro.
12934 * tree-pass.h (PROP_tmt_usage): New property.
12935 (TODO_update_tmt_usage): New todo.
12936 * tree-ssa-alias.c (updating_used_alone): New variable.
12937 (recalculate_used_alone): New function.
12938 (compute_may_aliases): Set updating_used_alone, call
12939 recalculate_used_alone.
12940 * tree-sra.c (pass_sra): Note that this pass destroys
12941 PROP_tmt_usage, and add TODO_update_tmt_usage.
12942 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12943 * tree-flow.h (updating_used_alone): Prototype.
12944 (recalculate_used_alone): Ditto.
12945 * passes.c (execute_todo): Add code to set updating_used_alone,
12946 and call recalculate.
12947 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12948 for clobber if used alone, and add assert to verify used_alone
12951 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12953 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12954 for non tls symbols added.
12955 (legitimize_address): Do nothing for PLUS expressions if one of the
12956 addends is a tls symbol reference.
12958 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12962 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12964 * Makefile.in (BOOTSTRAPPING): New.
12965 (quickstrap): New definition if BOOTSTRAPPING=yes.
12967 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12968 * configure.ac: Substitute all_selected_languages with the languages
12969 that were configured. For all the other variables except
12970 lang_specs_files, include all the languages in the tree.
12971 * configure: Regenerate.
12973 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12974 if there is one. Run the commands to run fixincludes in the same
12977 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12978 * doc/install.texi: Document exact conventions for searching target tools.
12979 Document --with-build-time-tools. Document toplevel bootstrap. Document
12980 something more about building an Ada cross-compiler. Don't list GNU Make
12981 requirements which affect all platforms.
12983 2006-02-19 Roger Sayle <roger@eyesopen.com>
12985 PR middle-end/19543
12986 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12987 only equivalent if the have both the same mode and precision.
12989 2006-02-20 Ben Elliston <bje@au.ibm.com>
12991 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12993 2006-02-19 Roger Sayle <roger@eyesopen.com>
12994 Steven Bosscher <stevenb.gcc@gmail.com>
12996 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12997 constant pool references to identify stack mode constants.
12998 * rtlanal.c (constant_pool_constant_p): New predicate to check
12999 whether operand is a floating point constant in the pool.
13000 * rtl.h (constant_pool_constant_p): Prototype here.
13001 * loop.c (scan_loop): Avoid hoisting constants from the constant
13002 pool on STACK_REGS targets.
13003 (load_mems): Likewise.
13004 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
13005 loads into x87 registers expensive in terms of register pressure.
13007 2006-02-19 Roger Sayle <roger@eyesopen.com>
13009 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
13010 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
13012 2006-02-19 David Edelsohn <edelsohn@gnu.org>
13014 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13015 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
13017 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
13019 * doc/invoke.texi: Document -fipa-pta.
13020 * common.opt: Add ipa-pta option.
13021 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
13022 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
13023 (do_ds_constraint): Ditto.
13024 (get_constraint_for): Only add to referenced_vars if
13025 referenced_vars exists.
13026 (insert_into_field_list): Rewrite to do this unsorted.
13027 (insert_into_field_list_sorted): Rename old insert_into_field_list
13029 (create_function_info_for): Use insert_into_field_list_sorted.
13030 (create_variable_info_for): Rewrite so it uses unsorted version,
13031 since the field list is sorted.
13032 (intra_create_variable_infos): Only add to referenced_vars if
13033 referenced_vars exists.
13034 (ipa_pta_execute): Init heapvars, and delete when done.
13035 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
13037 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13039 * doc/install.texi: Add missing `@samp'.
13041 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13043 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
13046 2006-02-18 Mark Wielaard <mark@klomp.org>
13048 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
13049 who added new 4.1 features, bug fixes and integration support.
13051 2006-02-18 David Edelsohn <edelsohn@gnu.org>
13054 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
13055 MEM for ABI_V4 pic.
13057 2006-02-18 Richard Sandiford <richard@codesourcery.com>
13059 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
13060 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
13061 (copy_insn_1): Likewise. Don't copy each field individually.
13063 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
13065 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
13066 * rtl.c (rtx_size): Rename variable to...
13067 (rtx_code_size): ...this.
13068 (rtx_size): New function.
13069 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
13070 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
13072 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
13073 * rtl.h (rtx_code_size): New variable.
13074 (rtx_size): Change from a variable to a function.
13075 (RTX_SIZE): Rename to...
13076 (RTX_CODE_SIZE): ...this.
13079 PR tree-optimization/17106
13080 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
13081 (Anchored Addresses): New section.
13082 * doc/invoke.texi (-fsection-anchors): Document.
13083 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
13084 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
13085 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
13086 * hooks.c (hook_bool_mode_rtx_false): New function.
13087 * hooks.h (hook_bool_mode_rtx_false): Declare.
13088 * gengtype.c (create_optional_field): New function.
13089 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
13090 SYMBOL_REF_IN_BLOCK_P is true.
13091 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
13092 (min_anchor_offset, max_anchor_offset): Likewise.
13093 (use_anchors_for_symbol_p): New hook.
13094 * toplev.c (compile_file): Call output_object_blocks.
13095 (target_supports_section_anchors_p): New function.
13096 (process_options): Check that -fsection-anchors is only used on
13097 targets that support it and when -funit-at-a-time is in effect.
13098 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
13099 if the decl doesn't have one.
13100 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
13101 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
13102 of force_const_mem through use_anchored_address.
13103 (expand_expr_constant): New function.
13104 (expand_expr_addr_expr_1): Call it. Use the same modifier when
13105 calling expand_expr for INDIRECT_REF.
13106 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
13107 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
13108 * expr.h (use_anchored_address): Declare.
13109 * loop-unroll.c: Don't declare rtx vectors here.
13110 * explow.c: Include output.h.
13111 (validize_mem): Call use_anchored_address.
13112 (use_anchored_address): New function.
13113 * common.opt (-fsection-anchors): New switch.
13114 * varasm.c (object_block_htab, anchor_labelno): New variables.
13115 (hash_section, object_block_entry_eq, object_block_entry_hash)
13116 (use_object_blocks_p, get_block_for_section, create_block_symbol)
13117 (use_blocks_for_decl_p, change_symbol_section): New functions.
13118 (get_variable_section): New function, split out from assemble_variable.
13119 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
13120 use_blocks_for_decl_p say so. Use change_symbol_section if the
13121 symbol has already been created.
13122 (assemble_variable_contents): New function, split out from...
13123 (assemble_variable): ...here. Don't output any code for
13124 block symbols; just pass them to place_block_symbol.
13125 Use get_variable_section and assemble_variable_contents.
13126 (get_constant_alignment, get_constant_section, get_constant_size): New
13127 functions, split from output_constant_def_contents.
13128 (build_constant_desc): Create a block symbol if use_object_blocks_p
13129 says so. Or into SYMBOL_REF_FLAGS.
13130 (assemble_constant_contents): New function, split from...
13131 (output_constant_def_contents): ...here. Don't output any code
13132 for block symbols; just pass them to place_section_symbol.
13133 Use get_constant_section and get_constant_alignment.
13134 (force_const_mem): Create a block symbol if use_object_blocks_p and
13135 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
13136 (output_constant_pool_1): Add an explicit alignment argument.
13137 Don't switch sections here.
13138 (output_constant_pool): Adjust call to output_constant_pool_1.
13139 Switch sections here instead. Don't output anything for block symbols;
13140 just pass them to place_block_symbol.
13141 (init_varasm_once): Initialize object_block_htab.
13142 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
13143 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
13144 (place_block_symbol, get_section_anchor, output_object_block)
13145 (output_object_block_htab, output_object_blocks): New functions.
13146 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
13147 (TARGET_ASM_OUT): Include it.
13148 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
13149 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
13150 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
13151 (TARGET_INITIALIZER): Include them.
13152 * rtl.c (rtl_check_failed_block_symbol): New function.
13153 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
13154 (block_symbol, object_block): New structures.
13155 (rtx_def): Add a block_symbol field to the union.
13156 (BLOCK_SYMBOL_CHECK): New macro.
13157 (rtl_check_failed_block_symbol): Declare.
13158 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
13159 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
13160 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
13161 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
13162 * output.h (output_section_symbols): Declare.
13163 (object_block): Name structure.
13164 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
13165 (default_use_anchors_for_symbol_p): Declare.
13166 * Makefile.in (RTL_BASE_H): Add vec.h.
13167 (explow.o): Depend on output.h.
13168 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
13169 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13170 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13171 (rs6000_use_blocks_for_constant_p): New function.
13173 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13175 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
13177 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13180 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
13183 2006-02-18 Diego Novillo <dnovillo@redhat.com>
13185 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
13189 2006-02-18 Jakub Jelinek <jakub@redhat.com>
13191 PR middle-end/26334
13192 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
13193 instead of DECL_REGISTER.
13195 2006-02-18 Olivier Hainque <hainque@adacore.com>
13198 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
13200 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
13203 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
13204 * opth-gen.awk: Handle Var and InverseMask together.
13205 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
13206 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
13207 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
13208 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
13210 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13211 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13212 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
13213 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13214 LINUX_DYNAMIC_LINKER): Define.
13215 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
13216 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
13218 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13219 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
13220 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13221 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13222 (TARGET_C99_FUNCTIONS): Don't define.
13223 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
13224 GLIBC_DYNAMIC_LINKER.
13225 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
13226 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
13227 GLIBC_DYNAMIC_LINKER64): Define.
13228 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13229 LINUX_DYNAMIC_LINKER64.
13230 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13231 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13232 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
13233 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13234 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13235 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13236 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
13237 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
13238 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
13239 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
13240 and LINUX_DYNAMIC_LINKER32.
13241 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13242 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13243 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
13244 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13245 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
13247 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
13248 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
13249 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13250 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13251 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13252 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
13253 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
13254 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
13255 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13256 LINUX_DYNAMIC_LINKER): Define.
13257 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
13258 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
13259 GLIBC_DYNAMIC_LINKER64): Define.
13260 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13261 LINUX_DYNAMIC_LINKER64.
13262 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13263 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13264 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
13265 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13266 LINUX_DYNAMIC_LINKER): Define.
13267 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13268 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13269 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
13270 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
13271 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
13272 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13273 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
13274 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
13275 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13276 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13277 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13278 * doc/invoke.texi (-muclibc): Remove caveat about supported
13281 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
13283 * doc/cpp.texi (__TIMESTAMP__): Document.
13285 2006-02-17 Roger Sayle <roger@eyesopen.com>
13287 PR middle-end/25600
13288 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
13289 C is one less than the width of X (and related transformations).
13290 * simplify-rtx.c (simplify_unary_operation_1): Transform
13291 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
13292 depending on STORE_FLAG_VALUE, were C is one less then the
13295 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
13297 Fix PR tree-optimization/26341
13298 * tree-ssa-operands.c (add_virtual_operand): Remove assert
13299 about NAME_MEMORY_TAG's.
13301 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13304 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
13305 with hardware float support, and software float support. Add fcpy
13306 alternative to hardware patterns. Add alternatives to copy between
13307 general and floating-point registers to the 32-bit pattern.
13308 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
13309 secondary reload to load a QI or HI mode constant into a floating
13311 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
13312 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
13314 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
13317 * config/rs6000/darwin.md (load_macho_picbase_si): Add
13319 (load_macho_picbase_di): Likewise.
13321 2006-02-16 Jeff Law <law@redhat.com>
13323 * tree-vrp.c (set_value_range_to_nonnegative): New function.
13324 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
13325 (ssa_name_nonzero_p): Likewise.
13326 (get_value_range): Return NULL if VRP is not running.
13327 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
13328 VRP routines do not discover a range.
13329 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
13330 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
13331 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
13332 (tree_expr_nonnegative_p): Similarly.
13333 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
13334 (restore_nonzero_vars_to_original_value): Remove.
13335 (unsafe_associative_fp_binop): Remove.
13336 (tree_ssa_dominator_optimize): Remove initialization and
13337 finalization of nonzero_vars and nonzero_vars_stack.
13338 (dom_opt_initialize_block): No longer push marker on
13339 nonzero_vars_stack.
13340 (dom_opt_finalize_block): No longer call
13341 restore_nonzero_vars_to_original_value.
13342 (record_equivalences_from_phis): No longer look for
13343 nonzero PHI arguments.
13344 (cprop_into_successor_phis): No longer propagate nonzero
13345 property into PHI arguments. Lose unused argument. Caller
13347 (record_equivalences_from_stmt): No longer record nonzero
13348 values for SSA_NAMEs.
13349 (lookup_avail_expr): No longer use nonzero_vars.
13351 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
13352 for sizetype when sizetype is unsigned.
13354 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
13356 PR rtl-optimization/25603
13357 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
13358 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
13359 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
13360 with new meaning of SETS.
13362 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
13367 * config/linux.opt: New file.
13368 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
13369 LINUX_DYNAMIC_LINKER): Define.
13370 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
13371 * config.gcc (*-*-linux*): Define extra_options.
13372 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
13373 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13374 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
13375 GLIBC_DYNAMIC_LINKER.
13376 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
13377 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13378 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13379 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13380 * doc/invoke.texi (GNU/Linux Options): New section.
13382 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
13384 * config/sparc/sparc.md (setjmp): Rewrite.
13385 (setjmp_32): Delete.
13386 (setjmp_64): Likewise.
13388 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
13390 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
13393 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13395 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
13398 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13400 PR rtl-optimization/26296
13401 * Makefile.in (loop-invariant.c): Add except.h dependency.
13402 * loop-invariant.c: Include except.h.
13403 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
13405 2005-02-16 Paul Brook <paul@codesourcery.com>
13407 * reload1.c (emit_reload_insns): Invalidate dead input registers used
13410 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
13412 PR rtl-optimization/25636
13413 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
13414 when deciding whether an insn is an initializing insn.
13416 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
13418 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
13419 (tree_code_size): Ditto.
13420 * tree.h (struct tree_memory_tag): Remove parent_var.
13421 (struct tree_struct_field_tag): New.
13424 (union tree_node): Add sft member.
13425 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
13427 (create_sft): Add size and offset argument, set SFT_OFFSET and
13429 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
13430 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
13431 * tree-flow-inline.h (get_subvar_at): Update for
13432 SFT_OFFSET/SFT_SIZE.
13433 (var_can_have_subvars): Ditto.
13434 (overlap_subvar): Ditto.
13435 * print-tree.c (print_node): Print out interesting things for
13437 * tree-flow.h (struct subvar): Remove offset and size members.
13438 * tree-ssa-operands.c (get_expr_operands): Update for
13439 get_indirect_ref_operands changes.
13440 (get_indirect_ref_operands): Call add_virtual_operand instead of
13441 add_stmt_operand. Only recurse on base var if requested.
13442 (access_can_touch_variable): New function.
13443 (add_stmt_operand): Split virtual operand handling into ...
13444 (add_virtual_operand): Here. Add offset, size, and for_clobber
13445 arguments. Prune alias sets.
13446 (add_call_clobber_ops): Call add_virtual_operand.
13448 2006-02-15 Jakub Jelinek <jakub@redhat.com>
13450 PR middle-end/26300
13451 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
13453 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
13454 than TREE_CODE as index into omp_clause_num_ops array.
13456 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
13458 PR rtl-optimization/26184
13459 * modulo-sched.c (generate_reg_moves): Free bitmap vector
13461 * modulo-sched.c (sms_schedule): Free g_arr pointer.
13462 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
13463 must_precede, must_follow and tobe_scheduled.
13466 * opts.c (common_handle_option): Free new_option pointer.
13467 * df-core.c (df_analyze): Free postorder pointer.
13469 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13471 * Makefile.in: Fix the examples about the use of stamps
13473 2006-02-15 Michael Matz <matz@suse.de>
13475 PR middle-end/22275
13477 * stor-layout.c (layout_decl): Zero-width bitfields aren't
13478 influenced by maximum_field_alignment or DECL_PACKED.
13479 (update_alignment_for_field): Ditto.
13480 (place_field): Ditto.
13481 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
13484 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
13486 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
13487 (debug_flow_info): Pass it.
13488 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
13489 * bb-reorder.c (reorder_basic_blocks): Likewise.
13490 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
13491 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
13492 * flow.c (life_analysis, recompute_reg_usage): Likewise.
13493 * gcse.c (gcse_main, bypass_jumps): Likewise.
13494 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
13495 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
13496 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
13497 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
13498 * rtl.h (dump_flow_info): Adjust prototype.
13499 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
13500 * var-tracking.c (variable_tracking_main): Likewise.
13501 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
13502 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
13505 2006-02-15 Marcin Dalecki <martin@dalecki.de>
13507 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
13510 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13512 PR tree-optimization/26209
13513 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
13514 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
13516 * tree-cfg.c (replace_uses_by): Do not alter cfg.
13518 2006-02-14 Roger Sayle <roger@eyesopen.com>
13520 PR middle-end/23670
13521 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
13522 (X,Y) and the corresponding symmetry related transformations.
13523 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
13524 (X,Y) and its symmetry related transformations.
13526 2006-02-14 Roger Sayle <roger@eyesopen.com>
13528 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
13531 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
13533 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
13535 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13538 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
13539 support COMDAT group.
13540 * configure: Regenerate.
13542 2006-02-14 Roger Sayle <roger@eyesopen.com>
13544 PR middle-end/26279
13545 PR middle-end/26280
13546 PR middle-end/26283
13547 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
13549 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
13551 Fix PR tree-optimization/26260
13553 * doc/invoke.texi (max-fields-for-field-sensitive): Document
13555 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
13556 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
13557 * tree-ssa-structalias.c (create_variable_info_for): Use
13558 MAX_FIELDS_FOR_FIELD_SENSITIVE.
13560 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13562 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
13564 * tree-ssa-loop-niter.c (number_of_iterations_ne,
13565 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
13566 of the ending condition.
13567 * tree-ssa-loop-manip.c: Include params.h.
13568 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
13569 tree_unroll_loop): New functions.
13570 * tree-pass.h (pass_loop_prefetch): Declare.
13571 * loop.c (rest_of_handle_loop_optimize): Test for
13572 -fprefetch-loop-arrays-rtl.
13573 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
13574 * timevar.def (TV_TREE_PREFETCH): New timevar.
13575 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
13576 pass_loop_prefetch): New.
13577 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
13578 (cleanup_tree_cfg_loop): Call scev_reset.
13579 * common.opt (fprefetch-loop-arrays-rtl): Add.
13580 * tree-ssa-loop-prefetch.c: New file.
13581 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
13582 (new_temp_expr_table): Initialize expr_vars.
13583 (free_temp_expr_table): Cleanup expr_vars.
13584 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
13585 expressions from being merged into one.
13586 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
13587 (struct tree_niter_desc): Add control, bound and cmp fields.
13588 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
13590 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
13591 (tree-cfgcleanup.o): Add SCEV_H dependency.
13592 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
13593 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
13595 2006-02-14 Richard Guenther <rguenther@suse.de>
13597 PR tree-optimization/26258
13598 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
13599 in PHI argument processing.
13601 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
13603 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
13604 new expression in the requested machine mode.
13606 2006-02-13 Roger Sayle <roger@eyesopen.com>
13608 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
13609 directly, instead let do_compare_rtx_and_jump handle this for us.
13610 * expr.c (expand_expr_real_1): Likewise.
13611 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
13612 before do_jump_by_parts_greater.
13613 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
13614 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
13616 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13618 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
13620 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13622 PR rtl-optimization/26235
13623 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
13624 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
13627 2006-02-13 Jeff Law <law@redhat.com>
13629 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
13632 2006-02-13 Jakub Jelinek <jakub@redhat.com>
13634 PR middle-end/26092
13635 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
13636 twice if decl is a builtin. When trying again, call get_callee_fndecl
13637 first to verify it is still a builtin.
13639 2006-02-13 Geoffrey Keating <geoffk@apple.com>
13641 * dwarf2out.c (base_type_die): Don't add AT_name here.
13642 (subrange_type_die): Don't add AT_name here.
13643 (modified_type_die): Rearrange code flow. Do add AT_name here.
13645 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13647 PR rtl-optimization/26247
13648 PR rtl-optimization/26248
13649 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13651 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13653 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13654 * config/fixtfdi.c: Likewise.
13655 * config/fixunstfdi.c: Likewise.
13656 * config/floatditf.c: Likewise.
13658 2006-02-13 Roger Sayle <roger@eyesopen.com>
13660 PR middle-end/24427
13661 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13662 into (X,C2) if C1 is a subset of the bits of C2. Transform
13663 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13665 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13667 2006-02-13 Josh Conner <jconner@apple.com>
13670 * varasm.c (function_section): Check for section name before
13671 calling select_section on targets that define
13672 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
13673 unlikely_text_section instead of hot_function_section if
13674 first_function_block_is_cold.
13676 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
13678 PR middle-end/25335
13679 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13681 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13683 PR rtl-optimization/26222
13684 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13685 after tree->rtl expansion.
13686 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13687 before passing it to emit_move_insn.
13689 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
13691 * doc/invoke.texi (-Write-strings): Document that it is enabled by
13693 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13694 Clarify documentation.
13695 * c-common.h (warn_write_strings): Remove.
13696 * c-common.c (warn_write_strings): Likewise.
13697 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13700 2006-02-12 Roger Sayle <roger@eyesopen.com>
13702 PR middle-end/25724
13703 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13704 (do_jump_parts_zero_rtx): New function renamed from
13705 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13706 (do_jump_parts_equality_rtx): New function split out from
13707 do_jump_parts_equality. Old implementation renamed as above.
13708 Call do_jump_parts_zero_rtx if either operand is zero.
13709 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13710 do all of the heavy lifting.
13711 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13712 calling either do_jump_by_parts_greater_rtx or
13713 do_jump_by_parts_equality_rtx.
13714 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13715 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13716 moved to do_compare_rtx_and_jump, call it directly.
13717 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13718 mode argument. Call do_compare_rtx_and_jump.
13719 (emit_case_nodes): Update calls to do_jump_if_equal.
13721 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13723 PR rtl-optimization/26225
13724 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13726 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13728 PR rtl-optimization/26232
13729 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13731 2006-02-11 Jason Merrill <jason@redhat.com>
13734 * tree-inline.c (declare_return_variable): Just don't use the
13735 modify target if it's a gimple complex reg and the return slot
13738 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13740 * doc/contrib.texi: Update my entry.
13742 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13744 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13746 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13748 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13751 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13753 * doc/invoke.texi (-floop-optimize2): Removed.
13754 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13755 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13756 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13757 * common.opt (floop-optimize2): Removed.
13758 (fmove-loop-invariants): Enabled by default.
13760 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13762 * tree-if-conv.c (combine_blocks): Free the result of
13763 get_loop_exit_edges.
13765 2006-02-10 Jeff Law <law@redhat.com>
13767 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13769 PR tree-optimization/26213
13770 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13771 loop trying to follow SSA_NAME_VALUE chains.
13773 2006-02-10 Richard Guenther <rguenther@suse.de>
13775 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13776 deal with structures that end in implicitly variable sized arrays.
13778 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13780 PR rtl-optimization/24762
13781 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13784 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13786 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13787 (struct ivopts_data): Add regs_used field.
13788 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13789 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13790 instead of loop_data->regs_used;
13791 (free_loop_data): Do not free aux fields for loops.
13792 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13793 and tree_ssa_iv_optimize_finalize.
13795 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13797 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13799 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13802 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13803 computing the effective result type.
13805 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13807 PR inline-asm/16194
13808 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13809 (tree_overlaps_hard_reg_set): Declare.
13810 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13811 type and signature to match function type expected by walk_tree.
13812 (tree_overlaps_hard_reg_set): New function.
13813 (decl_conflicts_with_clobbers_p): Rename to:
13814 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13815 Use tree_overlaps_hard_reg_set. Changed caller.
13816 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13817 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13818 * cris.c (cris_md_asm_clobbers): Likewise.
13820 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13822 * reload1.c (emit_input_reload_insns): Delete code that tries to
13823 inherit using find_equiv_reg.
13825 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13827 * c-common.h (flag_const_strings): Don't declare.
13828 * c-common.c (flag_const_strings): Remove.
13829 * c.opt (fconst_strings): Remove.
13830 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13831 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13832 (c_common_init_options): Don't set flag_const_strings.
13833 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13835 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13837 * arm.md (tlobits_cbranch): New pattern.
13838 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13839 testing a single bit.
13841 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13844 * tree-ssa-pre.c (create_component_ref_by_pieces):
13845 Handle RETURN_DECL like VAR_DECL.
13847 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13849 PR middle-end/26134
13850 * fold-const.c (fold_indirect_ref_1): Fold
13851 "*(foo *)&complexfoo" to "__real__ complexfoo"
13852 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13854 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13856 * tree-flow-inline.h (var_can_have_subvars):
13857 Volatile variables should not have subvariables.
13859 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13862 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13863 multiplying unsigned values.
13866 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13868 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13870 2006-02-08 Jason Merrill <jason@redhat.com>
13873 * tree.def: Elaborate on difference from MODIFY_EXPR.
13874 * doc/c-tree.texi (INIT_EXPR): Likewise.
13875 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13876 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13877 (gimplify_target_expr): Likewise.
13878 (gimplify_cond_expr): Remove target handling.
13879 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13880 (gimplify_expr): Clobber it here.
13881 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13882 Do return slot optimization if we have an INIT_EXPR.
13885 * tree-inline.c (declare_return_variable): Also clear
13886 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13889 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13891 PR middle-end/22439
13892 * gimplify.c (gimplify_one_sizepos): Fix typo.
13894 2006-02-08 Jeff Law <law@redhat.com>
13896 PR tree-optimization/21417
13897 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13898 across a backedge if the control statement at the end of the
13899 block is data dependent on other statements in the same block.
13900 (record_temporary_equivalences_from_stmts): Remove over-conservative
13901 test for threading across backedges.
13903 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13904 control statement, handle all three special cases in the same
13905 manner as they all have the same desired solution. No longer
13906 special case edge flag updating when the post dominator is
13909 2006-02-08 Roger Sayle <roger@eyesopen.com>
13911 * tree.def (CHAR_TYPE): Remove.
13912 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13913 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13914 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13915 (gen_string_type_die): Delete unreachable function.
13917 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13918 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13919 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13920 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13921 * builtins.c (type_to_class): Likewise.
13922 * fold-const.c (fold_convert, build_range_check,
13923 merge_ranges): Likewise.
13924 * expr.c (count_type_elements): Likewise.
13925 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13926 * stor-layout.c (layout_type): Likewise.
13927 * ipa-type-escape.c (type_to_consider): Likewise.
13928 * gimplify.c (omp_firstprivatize_type_sizes,
13929 gimplify_type_sizes): Likewise.
13930 * explow.c (promote_mode): Likewise.
13931 * tree-sra.c (is_sra_scalar_type): Likewise.
13932 * varasm.c (output_constant): Likewise.
13933 * tree-inline.c (remap_type_1): Likewise.
13934 * convert.c (convert_to_pointer, convert_to_real,
13935 convert_to_integer, convert_to_complex): Likewise.
13937 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13939 * df-scan.c (df_def_record_1): A set destination may
13940 be a parallel regardless of mode.
13942 2006-02-08 Roger Sayle <roger@eyesopen.com>
13945 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13946 * config/mips/_tilib.c: Remove.
13947 * config/fixtfdi.c: New libgcc source file.
13948 * config/fixunstfdi.c: New source file.
13949 * config/floatditf.c: New source file.
13950 * config/floatunditf.c: New souce file.
13951 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13952 files above instead of config/mips/_tilib.c.
13953 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13955 2006-02-08 Jeff Law <law@redhat.com>
13957 PR tree-optimization/26169
13958 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13961 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13963 * df.h (DF_REG_SIZE): Return the length of the initialized
13966 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13968 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13969 __muldf3): Return a correctly signed zero.
13971 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13973 * passes.c (register_one_dump_file): Accept the current properties
13974 instead of pass number. Adjust call to dump_register. Remove
13976 (register_dump_files): Now a wrapper around...
13977 (register_dump_files_1): ... this one. Do not modify the pass
13979 (next_pass_1): Cosmetic fix.
13980 (execute_todo): Keep second parameter only. Use curr_properties
13981 instead of fetching it from the pass structure. Check and set
13983 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13984 instead of fetching it from the pass structure. Fix calls to
13985 execute_todo. Update curr_properties and initialize .vcg RTL dump
13986 after running the pass. Reset last_verified.
13987 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13989 (FIRST_AUTO_NUMBERED_DUMP): New.
13990 (dump_register): Remove "num" parameter, assign it within the
13992 (get_dump_file_name): Modify template for dumps.
13993 * tree-dump.h (dump_register): Adjust prototype.
13994 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13995 (PROP_trees): Add PROP_gimple_lomp.
13996 (TODO_set_props): New.
13997 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13998 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13999 * cfgexpand.c (pass_expand): Destroy PROP_trees.
14001 2006-02-08 Jakub Jelinek <jakub@redhat.com>
14003 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
14004 (sparc64-*-linux*): Likewise.
14005 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
14006 * config/sparc/t-linux: New file.
14007 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
14008 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
14009 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
14010 -m32 -mlong-double-128.
14012 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
14013 * config/alpha/t-linux: New file.
14014 * config/alpha/libgcc-alpha-ldbl.ver: New file.
14016 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
14017 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
14018 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
14019 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
14020 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
14021 (CPP_ARCH32_SPEC): Remove.
14023 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
14025 PR tree-optimization/26145
14026 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
14029 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14032 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
14033 >= 240000 when generating code for SOM runtime.
14034 (output_indirect_call): Don't use "b,l" instruction for indirect calls
14035 to $$dyncall when generating code for SOM runtime..
14037 2006-02-07 Dirk Mueller <dmueller@suse.com>
14040 * doc/invoke.texi (-Wsequence-point): Update documentation
14041 that -Wsequence-point is implemented for C++ as well.
14043 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14045 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
14046 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
14047 (LIB_SPEC): Likewise.
14048 * doc/invoke.texi (SPARC options): Document -pthread.
14050 2006-02-07 Geoffrey Keating <geoffk@apple.com>
14052 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
14055 2006-02-07 Roger Sayle <roger@eyesopen.com>
14057 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
14058 Correct comment describing BOOLEAN_TYPE.
14060 2006-02-07 Dirk Mueller <dmueller@suse.com>
14062 * c.opt: C++ frontend supports -Wdiv-by-zero.
14063 * c-opts.c (c_common_handle_option): Remove dead case.
14065 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14067 * configure.ac (TLS assembler check): Do not enable TLS by
14068 default on SPARC/Solaris before version 10.
14069 * configure: Regenerate.
14071 2006-02-07 David Edelsohn <edelsohn@gnu.org>
14073 * doc/invoke.texi (xl-compat): Document conversion and support
14076 2006-02-07 Jeff Law <law@redhat.com>
14078 * tree-vrp.c (find_conditional_asserts): Update comments.
14079 (simplify_stmt_for_jump_threading): New.
14080 (identify_jump_threads, finalize_jump_threads): New.
14081 (vrp_finalize): Call identify_jump_threads.
14082 (execute_vrp): Call finalize_jump_threads.
14083 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
14084 (vrp_element, vrp_data, vrp_element_p): Remove.
14085 (vrp_hash_elt, vrp_variables_stack): Remove.
14086 (vrp_hash, vrp_eq, record_range): Remove.
14087 (simplify_cond_and_lookup_avail_expr): Remove.
14088 (extract_range_from_cond): Remove.
14089 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
14090 (simplify_stmt_for_jump_threading): New.
14091 (dom_thread_across_edge): New wrapper.
14092 (tree_ssa_dominator_optimize): No longer initialize or
14093 finalize any of the VRP datastructures. Remove iteration
14094 step and simplify as a result of removal of iteration step.
14095 (pass_dominator): Perform a cfg cleanup after DOM.
14096 (dom_opt_finalize_block): Use the new common routines
14097 for threading jumps. Simplify stack management slightly.
14098 No longer need to unwind VRP state.
14099 (record_equivalences_from_incoming_edge): No longer record
14101 (eliminate_redundant_computations): No longer call
14102 simplify_cond_and_lookup_avail_expr.
14103 * tree-flow.h (potentially_threadable_block): Prototype.
14104 (thread_across_edge): Likewise.
14105 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
14106 (tree-ssa-threadedge.o): Add dependencies.
14107 * tree-ssa-threadedge.c: New file.
14108 * passes.c (init_optimization_passes): Merge PHIs before
14109 calling VRP. Run VRP again late in the SSA optimization pipeline.
14111 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14113 * df-core.c (df_set_blocks): Do not dereference function pointers.
14114 (df_finish1): Likewise.
14115 (df_hybrid_search_forward): Likewise.
14116 (df_hybrid_search_backward): Likewise.
14117 (df_iterative_dataflow): Likewise.
14118 (df_analyze_problem): Likewise.
14119 (df_compact_blocks): Likewise.
14120 (df_dump): Likewise.
14121 * df-scan.c (df_rescan_blocks): Likewise.
14122 (df_record_entry_block_defs): Likewise.
14124 * genconditions.c (write_conditions): Guard the definition of
14125 'insn_conditions' with the check on GCC version.
14126 (write_writer): Guard the traversal 'insn_conditions' with
14127 the check on GCC version.
14129 2006-02-07 Richard Guenther <rguenther@suse.de>
14133 2006-01-30 Richard Guenther <rguenther@suse.de>
14135 * gimplify.c (gimplify_target_expr): Handle easy cases
14136 without creating a temporary.
14138 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
14140 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
14141 use of float in probability computations. Use edge probabilities
14142 in place of statically computed probabilities.
14143 (min_spec_prob): New static variable.
14144 (schedule_insns): Initialize it.
14145 (GET_SRC_PROB): Removed.
14146 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
14148 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
14151 * config/ia64/unwind-ia64.c: Revert last change.
14152 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
14153 (INCOMING_FRAME_SP_OFFSET): Define.
14155 2006-02-06 Roger Sayle <roger@eyesopen.com>
14157 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
14159 2006-02-07 Ben Elliston <bje@au.ibm.com>
14161 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
14162 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
14163 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
14164 (ix86_return_in_memory): Handle TDmode.
14165 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
14166 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
14168 2006-02-06 Richard Sandiford <richard@codesourcery.com>
14170 * reorg.c (dbr_schedule): Use dump_file instead of file.
14172 2006-02-06 Steve Ellcey <sje@cup.hp.com>
14175 * config/ia64/predicates.md (extr_len_operand): New predicate.
14176 * config/ia64/ia64.md (extv): Tighten constraints.
14178 (*tbit_and_2): Ditto.
14179 (*tbit_and_3): Ditto.
14180 (*tbit_or_2): Ditto.
14181 (*tbit_or_3): Ditto.
14182 (*bit_zero): Ditto.
14185 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
14188 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
14190 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14192 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
14193 loop_optimizer_init and loop_optimizer_finalize
14194 * tree-ssa-sink.c (execute_sink_code): Ditto.
14195 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14196 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
14197 tree_ssa_loop_done): Ditto.
14198 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
14199 * sched-ebb.c: Include output.h.
14200 (schedule_ebbs): Do not use dump argument.
14201 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
14202 * loop.c (loop_dump_stream): Removed.
14203 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
14205 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
14206 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
14207 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
14208 loop_iterations, strength_reduce, record_biv, record_giv,
14209 final_giv_value, check_final_value, check_ext_dependent_givs,
14210 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
14211 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
14212 dump_file instead of loop_dump_stream.
14213 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
14214 argument dump_file.
14215 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
14217 * flow.c (life_analysis, rest_of_handle_life): Ditto.
14218 * haifa-sched.c: Include output.h
14219 (schedule_insns, sched_init): Do not use dump argument.
14220 * mode-switching.c (optimize_mode_switching): Ditto.
14221 * modulo-sched.c (stats_file): Removed.
14222 (print_node_sched_params): Do not call argument dump_file.
14223 (sms_schedule_by_order, loop_canon_p, sms_schedule,
14224 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
14226 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
14228 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
14229 rtl_loop_init, rtl_loop_done): Ditto.
14230 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
14231 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
14233 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
14234 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
14235 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
14236 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
14237 * emit-rtl.c (renumber_insns): Ditto.
14238 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
14239 expand_gimple_basic_block, tree_expand_cfg): Ditto.
14240 * regclass.c (regclass): Ditto.
14241 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
14242 remove_ssa_form, rewrite_out_of_ssa): Ditto.
14243 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
14244 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
14246 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
14247 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
14249 * gcse.c (gcse_file, debug_stderr): Removed.
14250 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
14251 rest_of_handle_gcse): Do not use dump argument.
14252 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
14253 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
14254 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
14255 compute_code_hoist_vbeinout, compute_code_hoist_data,
14256 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
14257 compute_store_table, build_store_vectors, insert_insn_start_bb,
14258 insert_store, remove_reachable_equiv_notes, replace_store_insn,
14259 store_motion): Use dump_file instead of gcse_file.
14260 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
14261 * profile.c (profile_dump_file): Removed.
14262 (branch_prob): Use dump_file instead of profile_dump_file.
14263 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
14265 * tree-ssa-copy.c (dump_copy_of): Ditto.
14266 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
14267 dump file to life_analysis.
14268 * bt-load.c (branch_target_load_optimize): Ditto.
14269 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
14271 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
14272 regclass, dbr_schedule): Declaration changed.
14273 * sched-int.h (sched_init): Declaration changed.
14274 * tree-profile.c (tree_profile_dump_file): Removed.
14275 (tree_profile_hooks): Removed profile_dump_file hook.
14276 * rtl-profile (rtl_profile_dump_file): Removed.
14277 (rtl_profile_hooks): emoved profile_dump_file hook.
14278 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
14280 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
14281 * tree-cfg.c (build_tree_cfg): Ditto.
14282 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
14283 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
14284 Declaration changed.
14285 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
14286 life_analysis and schedule_insns.
14287 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
14289 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
14291 * config/mips/mips.c (mips_reorg): Ditto.
14292 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
14295 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
14297 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14298 (s390_mangle_fundamental_type): New.
14299 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14302 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14303 (alpha_mangle_fundamental_type): New.
14304 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14307 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14309 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14311 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14312 (sparc_mangle_fundamental_type): New.
14314 2006-02-06 Jakub Jelinek <jakub@redhat.com>
14316 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
14317 (s390x-*-linux*): Likewise.
14318 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
14319 * config/s390/t-linux: New file.
14321 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14323 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
14324 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
14326 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
14328 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
14329 (ANTIC_SAFE_LOADS): New macro.
14330 (find_or_generate_expression): Add prototype.
14331 (set_contains_value): Allow null set for sake of not always having
14332 to allocate ANTIC_SAFE_LOADS.
14333 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
14334 Allow COMPONENT_REF too.
14335 (valid_in_set): Allow COMPONENT_REF.
14336 Check ANTIC_SAFE_LOADS too.
14337 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
14338 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
14340 (can_PRE_operation): Add COMPONENT_REF.
14341 (create_component_ref_by_pieces): New function.
14342 (create_expression_by_pieces): Use create_component_ref_by_pieces.
14343 (insert_aux): Move AGGREGATE_TYPE_P check here.
14344 (compute_avail): Set bb local stmt uids.
14345 (pass_pre): Use TODO_update_ssa_only_virtuals.
14347 2006-02-06 Ben Elliston <bje@au.ibm.com>
14349 * configure.ac: Unconditionally disable decimal float by default.
14350 * configure: Regenerate.
14352 2006-02-06 Ben Elliston <bje@au.ibm.com>
14354 * read-rtl.c (read_name): Terminate reading on EOF.
14356 2006-02-06 Ben Elliston <bje@au.ibm.com>
14358 * dfp.c (decimal_real_arithmetic): Change second argument type
14359 from int to enum tree_code. Do not always return true, but now
14360 return result of any call to decimal_do helper functions.
14361 * dfp.h (decimal_real_arithmetic): Update prototype.
14363 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14365 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
14367 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
14370 * tree-cfg.c (cleanup_dead_labels): Also don't remove
14373 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14375 * tree-vrp.c (cfg_loops): Removed.
14376 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
14377 Use current_loops instead of cfg_loops. Pass flags to
14378 loop_optimizer_init.
14379 * cfgloopmanip.c (fix_loop_structure): Update only available
14381 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
14382 loop_optimizer_init.
14383 * modulo-sched.c (build_loops_structure): Removed.
14384 (sms_schedule): Use loop_optimizer_init.
14385 * loop-init.c (loop_optimizer_init): Use flags to determine
14386 which properties of loops to prepare.
14387 (rtl_loop_init): Pass flags to loop_optimizer_init.
14388 * tree-ssa-sink.c (execute_sink_code): Ditto.
14389 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14390 * tree-ssa-pre.c (init_pre): Ditto.
14391 * cfgloop.h (LOOPS_NORMAL): New.
14392 (loop_optimizer_init): Declaration changed.
14394 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14396 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
14397 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
14399 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
14401 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
14403 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
14404 * pa/t-pa64: Delete quadlib.c rule.
14405 * pa/x-ada: Revert last change.
14406 * pa/t-pa: Revert last change. Delete quadlib.c rule.
14408 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14410 PR rtl-optimization/26087
14411 * rtlanal.c (canonicalize_condition): Do not cross basic block
14414 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
14417 * config/ia64/ia64.c: Include debug.h.
14418 (MAX_ARTIFICIAL_LABEL_BYTES): New.
14419 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
14420 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
14421 (process_epilogue, process_set, process_for_unwind_directive):
14422 Output unwind info only if requested. Add CFA info if requested.
14423 Add new arguments as needed. Adjust callers.
14424 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
14426 (DWARF2_FRAME_INFO): Define to zero.
14427 * config/ia64/unwind-ia64.c: Remove code that compensated for
14428 the CFA offset error fixed above.
14429 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
14430 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
14431 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
14432 -funwind-tables and -fexceptions to enable frame info.
14433 (dwarf2out_frame_init): Define initial CFA even if
14434 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
14435 DWARF2_UNWIND_INFO is nonzero, not just defined.
14436 (dwarf2out_frame_finish): Output non-EH call frame info only
14437 if DWARF2_FRAME_INFO is nonzero.
14438 (convert_cfa_to_loc_list,
14439 compute_frame_pointer_to_cfa_displacement): Define even if
14440 unwind info is not supported.
14441 (gen_subprogram_die): Use the above unconditionally. Remove
14442 legacy alternate code.
14443 * toplev.c (compile_file): Compile in call to
14444 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
14445 (lang_dependent_init): Ditto for dwarf2out_frame_init.
14447 2006-02-04 David Edelsohn <edelsohn@gnu.org>
14448 Jakub Jelinek <jakub@redhat.com>
14450 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
14451 IBM extended float format long double as "g" on powerpc*-linux.
14453 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14456 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
14457 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
14459 2006-02-03 Jason Merrill <jason@redhat.com>
14462 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
14464 PR middle-end/25977
14465 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
14466 on the return slot if it's an NRV.
14468 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
14470 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
14471 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
14472 rewrite_use): Do not handle USE_OUTER.
14473 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
14474 add_iv_outer_candidates, may_replace_final_value,
14475 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
14476 (find_interesting_uses_op): Functionality of
14477 find_interesting_uses_outer_or_nonlin moved here.
14478 (find_interesting_uses_outside): Use find_interesting_uses_op.
14480 2006-02-03 Alan Modra <amodra@bigpond.net.au>
14483 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
14485 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
14486 Ulrich Weigand <uweigand@de.ibm.com>
14489 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
14490 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
14491 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
14492 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
14494 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
14495 (s390_rtx_costs): Use the new fields to calculate rtx costs.
14496 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
14497 Define secondary reloads for TFmode moves.
14498 (constant_modes): Add TFmode.
14499 (NR_C_MODES): Set to 8.
14500 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
14502 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
14503 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
14504 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
14505 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
14506 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
14507 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
14508 (FPR mode macro): Add TFmode.
14509 (DSF mode macro): New.
14510 (<de>, <dee> mode attributes): Removed.
14511 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
14512 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
14513 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
14514 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
14515 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
14516 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
14517 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
14518 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
14519 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
14520 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
14521 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
14522 "*negabs<mode>2", "sqrt<mode>2"):
14523 Changed <de> to <xde>. R constraint replaced by <Rf>.
14524 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
14526 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
14527 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
14528 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
14530 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
14531 "extenddftf2", "extendsftf2"): New expanders.
14532 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
14533 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
14534 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
14535 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
14537 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
14538 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
14539 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
14540 __floatditf): Add a GCC_4.1.0 symbol version tag.
14541 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
14544 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
14547 * config/i386/i386.c (ix86_function_ok_for_sibcall):
14548 Use targetm.binds_local_p instead of TREE_PUBLIC.
14550 2006-02-02 Roger Sayle <roger@eyesopen.com>
14552 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
14553 on INTEGER_TYPEs to indicate that it denotes a character type.
14554 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
14555 signed_char_type_node, unsigned_char_type_node and char_type_node.
14556 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
14557 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
14558 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
14560 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
14561 Daniel Berlin <dberlin@dberlin.org>
14563 * tree-tailcall.c (arg_needs_copy_p): New function.
14564 (eliminate_tail_call): Use arg_needs_copy_p.
14565 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
14566 (add_virtual_phis): New function.
14568 2006-02-02 Jakub Jelinek <jakub@redhat.com>
14570 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
14571 #ignore instead of #scratch for %g7 .register directive.
14573 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
14575 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
14578 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14580 * flow.c (calculate_global_regs_live): Assert that there aren't any
14583 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
14585 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
14586 what its name says.
14587 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
14588 bsi_after_labels iterator.
14589 * tree-if-conv.c (find_phi_replacement_condition,
14590 replace_phi_with_cond_modify_expr): Likewise.
14591 * tree-scalar-evolution.c (scev_const_prop): Likewise.
14592 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
14594 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14596 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
14598 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14601 * tree-cfg.c (move_block_to_fn): Clear out the basic block
14602 array after growing it.
14604 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14606 PR middle-end/24901
14607 * fold-const.c (fold_checksum_tree): Change type of buf.
14609 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
14611 * reload.c (push_secondary_reload): Initialize t_icode.
14613 2006-02-01 Jakub Jelinek <jakub@redhat.com>
14615 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
14616 -msoft-float -mlong-double-128 only issue a warning, but don't
14617 swich to DFmode long double.
14619 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
14621 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
14622 has a constant equivalent, iterate over equivalents for arg0,
14623 calling simplify_relational_operation and if there's a result
14624 cheaper than X, apply fold_rtx and return the result.
14626 2006-02-01 Jan Hubicka <jh@suse.cz>
14628 * opts.c (no_unit_at_a_time_default): New global variable.
14629 (decode_options): Use it.
14630 * opts.h (no_unit_at_a_time_default): Declare.
14632 2006-02-01 Paul Brook <paul@codesourcery.com>
14634 * function.c (assign_parm_setup_reg): Use function argument promotion
14636 * expr.c (expand_expr_real_1): Use function argument promotion rules
14639 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14641 * gcc.c (process_command): Change j to 'unsigned int'.
14643 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14645 PR middle-end/26001
14646 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
14647 Use the corrected index for the character
14648 out of the string constant.
14650 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14652 * mode-switching.c (optimize_mode_switching): Fix size
14653 allocated for bb_info[n_entities].
14655 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14657 * gcc.c (main): Correct type that is allocated for
14658 explicit_link_files.
14660 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14662 * config/s390/s390.c (init_alignment_context): Set
14663 ALIAS_SET_MEMORY_BARRIER on the MEM.
14664 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14666 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
14668 PR middle-end/25933
14669 * loop-unroll.c (unroll_loop_runtime_iterations): Free
14671 * tree-ssa-live.c (type_var_init): Allocate bitmap after
14674 2006-01-31 Marcin Dalecki <martin@dalecki.de>
14676 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14677 * regrename.c: Ditto.
14678 * tree-ssa-loop-im.c: Ditto.
14679 * tree-dump.c: Ditto.
14680 * tree-complex.c: Ditto.
14681 * genrecog.c: Ditto.
14682 * tree-ssa-threadupdate.c: Ditto.
14684 * java/class.c: Ditto.
14685 * java/jcf-parse.c: Ditto.
14686 * java/resource.c: Ditto.
14687 * java/except.c: Ditto.
14688 * java/jvspec.c: Ditto.
14689 * java/jcf-write.c: Ditto.
14690 * java/jcf-path.c: Ditto.
14691 * java/gjavah.c: Ditto.
14692 * java/zextract.c: Ditto.
14693 * java/jcf-io.c: Ditto.
14694 * java/jcf.h: Ditto.
14695 * java/buffer.c: Ditto.
14696 * java/lang.c: Ditto.
14697 * java/parse-scan.y: Ditto.
14698 * java/lex.c: Ditto.
14699 * java/lex.h: Ditto.
14700 * cfgloopmanip.c: Ditto.
14701 * postreload-gcse.c: Ditto.
14702 * tree-ssa-loop-manip.c: Ditto.
14703 * postreload.c: Ditto.
14704 * tree-ssa-loop-ch.c: Ditto.
14707 * cppspec.c: Ditto.
14708 * diagnostic.c: Ditto.
14710 * genoutput.c: Ditto.
14712 * cfghooks.c: Ditto.
14713 * cfgloopanal.c: Ditto.
14714 * objc/objc-act.c: Ditto.
14716 * genextract.c: Ditto.
14717 * genautomata.c: Ditto.
14718 * pretty-print.c: Ditto.
14719 * genemit.c: Ditto.
14720 * cgraphunit.c: Ditto.
14722 * df-scan.c: Ditto.
14723 * haifa-sched.c: Ditto.
14724 * dominance.c: Ditto.
14726 * tree-ssa-loop-ivopts.c: Ditto.
14727 * df-core.c: Ditto.
14728 * mode-switching.c: Ditto.
14729 * modulo-sched.c: Ditto.
14731 * ipa-pure-const.c: Ditto.
14733 * fix-header.c: Ditto.
14735 * tree-stdarg.c: Ditto.
14736 * ipa-utils.c: Ditto.
14737 * loop-init.c: Ditto.
14738 * ipa-inline.c: Ditto.
14739 * cfganal.c: Ditto.
14741 * alloc-pool.c: Ditto.
14742 * dwarf2out.c: Ditto.
14744 * genattrtab.c: Ditto.
14745 * tree-ssa-loop-ivcanon.c: Ditto.
14746 * predict.c: Ditto.
14747 * timevar.c: Ditto.
14749 * fortran/gfortranspec.c: Ditto.
14750 * regmove.c: Ditto.
14751 * local-alloc.c: Ditto.
14752 * langhooks.c: Ditto.
14753 * function.c: Ditto.
14754 * tree-vectorizer.c: Ditto.
14756 * ipa-type-escape.c: Ditto.
14758 * tree-if-conv.c: Ditto.
14759 * profile.c: Ditto.
14761 * tree-data-ref.c: Ditto.
14762 * loop-unroll.c: Ditto.
14763 * treelang/treetree.c: Ditto.
14765 * bt-load.c: Ditto.
14766 * ggc-common.c: Ditto.
14768 * coverage.c: Ditto.
14770 * tree-cfgcleanup.c: Ditto.
14771 * tree-ssa-pre.c: Ditto.
14772 * cfgcleanup.c: Ditto.
14773 * loop-invariant.c: Ditto.
14774 * loop-iv.c: Ditto.
14775 * ipa-prop.c: Ditto.
14776 * print-tree.c: Ditto.
14777 * conflict.c: Ditto.
14778 * ggc-page.c: Ditto.
14779 * sched-deps.c: Ditto.
14780 * regclass.c: Ditto.
14781 * tree-object-size.c: Ditto.
14782 * combine.c: Ditto.
14783 * bb-reorder.c: Ditto.
14784 * resource.c: Ditto.
14785 * var-tracking.c: Ditto.
14786 * cfgloop.c: Ditto.
14787 * df-problems.c: Ditto.
14788 * reg-stack.c: Ditto.
14790 * gccspec.c: Ditto.
14791 * sched-rgn.c: Ditto.
14792 * tree-ssa-structalias.c: Ditto.
14793 * tree-ssa-reassoc.c: Ditto.
14794 * config/darwin-c.c: Ditto.
14795 * config/darwin.c: Ditto.
14796 * config/arm/arm.c: Ditto.
14798 * collect2.c: Ditto.
14799 * reload1.c: Ditto.
14801 2006-01-31 Nicolas Pitre <nico@cam.org>
14803 * arm.md (smaxsi3): Make aware of smax_m1.
14806 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14808 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14810 2006-01-31 Richard Guenther <rguenther@suse.de>
14812 * doc/invoke.texi (-msselibm): Document.
14813 * target.h (expand_library_builtin): New target hook.
14814 * builtins.c (expand_builtin): Use expand_library_builtin.
14815 (default_expand_library_builtin): New function.
14816 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14817 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14818 (link_gcc_math_spec): Declare.
14819 (static_specs): Add link_gcc_math_spec.
14820 * expr.h (default_expand_library_builtin): Declare.
14821 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14822 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14823 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14824 * config/i386/i386.opt (msselibm): New target option.
14825 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14826 (ix86_init_sse_abi_builtins): New function.
14827 (ix86_expand_library_builtin): Likewise.
14828 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14829 (override_options): Handle error conditions wrt -msselibm.
14830 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14831 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14832 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14835 2006-01-31 Richard Guenther <rguenther@suse.de>
14836 Paolo Bonzini <bonzini@gnu.org>
14838 * doc/install.texi (--disable-libgcc-math): Document.
14840 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14842 * expr.h (expand_normal): new inline function.
14843 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14844 * dojump.c: use it.
14845 * dwarf2out.c: use it.
14848 * expmed.c: use it.
14849 * except.c: use it.
14850 * config/sparc/sparc.c: use it.
14851 * config/i386/i386.c: use it.
14852 * config/rs6000/rs6000.c: use it.
14853 * config/arm/arm.c: use it.
14854 * config/mips/mips.c: use it.
14855 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14857 2006-01-30 Roger Sayle <roger@eyesopen.com>
14859 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14860 argv to the appropriate type.
14862 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14864 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14867 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14870 * config/s390/s390.c (struct machine_function): New flag
14871 decomposed_literal_pool_addresses_ok_p.
14872 (s390_reorg): Set it before final stage of literal pool transforms.
14873 (s390_decompose_address): Only accept displacements of the form
14874 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14876 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14878 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14879 the comparison routine return.
14881 2006-01-30 Michael Matz <matz@suse.de>
14883 * global.c (find_reg): Only evict for global regs.
14884 Take n_refs into account and dump more info.
14886 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14889 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14890 (pragma_trap, pragma_nosave_low_regs): Likewise.
14891 (current_function_anonymous_args): Likewise.
14892 (sh_deferred_function_attributes): New variable.
14893 (sh_deferred_function_attributes_tail): Likewise.
14894 (print_operand): For '@', look up trap_exit attribute.
14895 (calc_live_regs): Look up trapa_handler attribute. For trapa
14896 handlers, save/restore fpscr, but don't do any other
14897 interrupt-specific saves.
14898 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14899 Fix check for partially saved registers to check for SHmedia.
14900 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14901 (sh_output_function_epilogue): Don't clear any of the removed
14903 (sh_insert_attributes): Don't check pragma_interrupt.
14904 Insert deferred attributes. Check that interrupt attribute is
14905 present for other attributes that require its presence.
14906 (sh_attribute_table): Add new attributes trapa_handler and
14908 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14909 Don't check for pragma_interrupt. Don't store argument.
14910 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14911 (sh_deferred_function_attributes): Declare.
14912 (sh_deferred_function_attributes_tail): Likewise.
14913 * sh.md (sp_switch_1): Add operand. Change generator caller.
14914 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14915 (*return_i): Don't use when trap_exit attribute is in effect.
14916 (*return_trapa): New insn pattern.
14917 * sh-c.c: New file.
14918 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14919 setting c_target_objs and cxx_target_objs.
14920 * t-sh: Add rule for sh-c.o.
14922 2006-01-30 Richard Guenther <rguenther@suse.de>
14925 * gimplify.c (gimplify_target_expr): Handle easy cases
14926 without creating a temporary.
14928 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14930 * vec.h (safe_grow): Remove duplicated line.
14932 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14935 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14936 (expand_omp): ... here.
14937 (expand_omp_parallel): Only remove barriers for combined
14938 parallel+workshare constructs.
14940 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14944 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14945 * tree.c (build_qualified_type): Chain the new type to the original
14946 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14947 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14948 (build_pointer_type_for_mode): Only return unqualified types.
14949 (build_reference_type_for_mode): Likewise.
14951 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14953 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14954 * Makefile.in (CXX_COMPAT_WARN): Define.
14955 * configure: Regenerate.
14957 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14960 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14963 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14965 * toplev.c: Fix thinko.
14967 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14968 Marcin Dalecki <martin@dalecki.de>
14970 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14971 (push_srcloc): Use XNEW.
14972 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14974 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14976 * df-core.c (df_set_blocks): Deleted all variable.
14978 2006-01-28 Ian Lance Taylor <ian@airs.com>
14980 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14981 cgraph_output_pending_asms.
14983 2006-01-28 Zack Weinberg <zackw@panix.com>
14985 * c.opt: Add -W(no-)overlength-strings.
14986 * doc/invoke.texi: Document it.
14987 * c-opts.c (c_common_handle_option): -pedantic implies
14988 -Woverlength-strings, if not explicitly disabled already.
14989 (c_common_post_options): -Woverlength-strings defaults to off, and
14990 is always off for C++.
14991 * c-common.c (fix_string_type): Issue warning about strings longer
14992 than is portable only if warn_overlength_strings. Rearrange code
14993 a little for clarity.
14994 * configure.in: Check for -Wno-overlength-strings as well before
14995 enabling -pedantic in stage 1.
14996 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14997 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14999 * genconditions.c (write_header, write_one_condition)
15000 (write_conditions, write_writer): Consolidate very long strings
15001 that were broken up to fit in C89 portable limit. Don't use
15002 printf when fputs will do.
15004 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
15006 * combine.c (simplify_comparison <AND>): Check
15007 TRULY_NOOP_TRUNCATION before start using a subreg.
15009 * config/mips/mips.md (*branch_zero<mode>,
15010 *branch_zero<mode>_inverted, *branch_equality<mode>,
15011 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
15012 Remove mode check from comparisons.
15014 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
15016 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
15018 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15020 * expmed.c (const_mult_add_overflow_p): Remove.
15021 * expr.h: Remove the prototype for const_mult_add_overflow_p.
15023 * recog.c (validate_replace_rtx_subexp): Remove.
15024 * recog.h: Remove the prototype for
15025 validate_replace_rtx_subexp.
15027 * integrate.h: Remove the prototype for
15028 copy_decl_for_inlining.
15029 * rtl.h: Remove the prototype for mark_constant_function.
15030 * tree-vectorizer.h: Remove the prototype for
15031 vect_strip_conversion.
15033 * modulo-sched.c (create_partial_schedule,
15034 free_partial_schedule, reset_partial_schedule): Make them
15037 * hooks.c (hook_bool_rtx_int_false): Remove.
15038 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
15040 2006-01-28 David Edelsohn <edelsohn@gnu.org>
15042 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15043 and -mlong-double-128 are incompatible.
15044 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
15045 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
15046 (TARGET_LIBGCC2_CFLAGS): Define.
15047 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
15048 (TARGET_LIBGCC2_CFLAGS): Same.
15049 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
15051 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15054 * c-typeck.c (build_binary_op): Perform implicit casts of
15055 operands before shortening them.
15057 * cfgloopmanip.c (split_loop_bb): Remove.
15058 * cfgloop.h: Remove the prototype for split_loop_bb.
15060 * cfgloop.c (flow_loop_outside_edge_p): Remove.
15061 * cfgloop.h: Remove the prototype for
15062 flow_loop_outside_edge_p.
15064 * emit-rtl.c (init_virtual_regs): Make it static.
15065 * function.h: Remove the prototype for init_virtual_regs.
15067 * recog.c (peephole2_optimize): Make it static.
15068 * recog.h: Remove the prototype for peephole2_optimize.
15070 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15072 * df-scan.c (df_record_entry_block_defs): Check if
15073 INCOMING_RETURN_ADDR_RTX is defined.
15075 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
15076 Kenneth Zadeck <zadeck@naturalbridge.com>
15078 PR rtl-optimization/24762
15079 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15080 * targhooks.c (hook_void_bitmap): New hook prototype.
15081 * targhoohs.h (hook_void_bitmap): Ditto.
15082 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
15083 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
15084 * target.h (live_on_entry): New function pointer.
15085 * df-scan.c (df_all_hard_regs): Removed.
15086 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
15087 (df_scan_free_internal): Added df->entry_block_defs.
15088 (df_scan_alloc): Ditto.
15089 (df_scan_dump): Ditto.
15090 (df_uses_record): Plumbed flag field properly thru calls.
15091 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
15092 This part fixes PR24762.
15093 (df_bb_refs_record): Added code to make the frame and arg
15094 pointers live in EH blocks.
15095 (df_refs_record): Added call to df_record_entry_block_defs.
15096 (df_record_entry_block_defs): New function.
15097 * df-core.c: Added comments to describe new artifical defs.
15098 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
15099 (entry_block_defs): New field in struct df.
15100 (df_all_hard_regs): Deleted.
15101 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15102 * df-problems.c (df_ru_bb_local_compute_process_def):
15103 Added code to handle artifical defs in the entry to a function.
15104 (df_ru_bb_local_compute): Ditto.
15105 (df_rd_bb_local_compute_process_def): Ditto.
15106 (df_rd_bb_local_compute): Ditto.
15107 (df_lr_bb_local_compute): Ditto.
15108 (df_ur_bb_local_compute): Ditto.
15109 (df_urec_bb_local_compute): Ditto.
15110 (df_chain_create_bb): Ditto.
15111 (df_ur_local_finalize): Removed entry.
15112 (df_urec_init): Ditto.
15113 (df_urec_local_finalize): Ditto.
15114 (df_ri_bb_compute): Added detection of last use of pseudos.
15115 * Makefile.in (df-scan.o): Updated dependencies.
15116 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
15117 * config/mips/mips.c (mips_set_live_on_entry): Added.
15118 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
15120 * dce.c (marked_insn_p): Added code to handle artifical defs.
15122 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15124 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
15126 (_mm_cvtsi128_si64): Likewise.
15127 (_mm_cvtsd_si64): Likewise.
15128 (_mm_cvttsd_si64): Likewise.
15129 (_mm_cvtsi64_sd): Likewise.
15130 (_mm_cvtsi64_si128): Likewise.
15131 * config/i386/mmintrin.h (_m_from_int64): Likewise.
15132 (_mm_cvtsi64_m64): Likewise.
15133 (_m_to_int64): Likewise.
15134 (_mm_cvtm64_si64): Likewise.
15135 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
15136 (_mm_cvttss_si64): Likewise.
15137 (_mm_cvtsi64_ss): Likewise.
15138 (_mm_cvtss_f32): Likewise.
15140 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
15142 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
15143 for pragma redefine_extname.
15145 2006-01-27 Jakub Jelinek <jakub@redhat.com>
15148 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
15149 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
15150 -mno-minimal-toc to previous content.
15151 (bispecs): Remove goal.
15152 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
15153 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
15154 compatibility aliases on powerpc-*-*gnu*.
15155 * config/rs6000/libgcc-ppc-glibc.ver: New file.
15156 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
15157 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
15158 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
15159 (ldblspecs): New goal.
15160 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
15161 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
15163 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
15164 L_sf_to_tf or L_df_to_tf is defined.
15166 2006-01-27 David Edelsohn <edelsohn@gnu.org>
15167 Alan Modra <amodra@bigpond.net.au>
15170 * config/rs6000/linux.h (POWERPC_LINUX): Define.
15171 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
15172 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
15173 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
15174 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
15175 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
15176 (rs6000_override_options): Initialize rs6000_ieeequad.
15177 Initialize TFmode format to ibm_extended_format if not
15179 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
15181 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
15182 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
15183 (function_arg_advance): IBM long double passed in two FPRs, not
15185 (function_arg): IBM long double passed in FPRs.
15186 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
15187 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
15188 Only multireg GPR aligned.
15189 (rs6000_init_libfuncs): Enable IBM long double functions if not
15191 (rs6000_generate_compare): Use IBM long double compare if not
15193 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
15194 (TARGET_IEEEQUAD): Define.
15195 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
15196 not TARGET_IEEEQUAD.
15197 * config/rs6000/rs6000.md: Enable TFmode patterns if
15199 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
15200 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15201 and -mlong-double-128 are incompatible.
15202 * doc/invoke.texi (-mabi): Collect options together. Add
15203 ibmlongdouble and ieeelongdouble.
15205 2006-01-27 Richard Sandiford <richard@codesourcery.com>
15207 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
15209 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
15210 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
15211 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
15212 * rtl.h (rtunion_def): Remove rt_ptr.
15214 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
15215 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
15216 * config/i386/winnt.c (i386_pe_mark_dllexport)
15217 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
15219 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
15221 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
15223 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15227 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
15228 pthread_key_delete. From John David Anglin. gthrw-ify
15229 pthread_getunique_np only if it it's not a macro. Delete
15231 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
15232 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
15233 __gthread_objc_condition_signal, __gthread_key_delete): Add
15234 "__attribute__ ((__unused__))" to unused arguments.
15235 (__gthread_recursive_mutex_init_function): Add missing return.
15236 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
15237 gthr-posix95.h: Use macro-based approach for name redirection
15238 on targets missing weakref.
15240 2006-01-26 Zack Weinberg <zackw@panix.com>
15242 * genconditions.c (write_header): In generated code, #ifdef out
15243 all includes and fake declarations, except includes of bconfig.h
15244 and system.h, unless GCC_VERSION >= 3001. Do not include
15245 gensupport.h in any case.
15246 (write_conditions): Generate a definition of struct c_test. Add
15247 a comment to the generated #endif.
15248 (write_one_condition): Escape backslashes in string too.
15249 (write_writer): Generated code must escape backslashes and quote
15250 marks (but not newlines) in the strings it writes.
15251 * Makefile.in (build/gencondmd.o): Update dependencies.
15253 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15256 * Makefile.in (insn-automata.o): Add header file dependencies.
15257 * genautomata.c: Add includes.
15259 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15262 * Makefile.in (insn-automata.o): Add -Wno-error flag.
15264 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15266 * configure.ac: Expect target tools paths to be passed from the toplevel
15267 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
15269 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
15271 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15274 * c.opt (Wpointer-sign): Init to -1.
15275 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
15276 OPT_pedantic, to 0 otherwise.
15277 * doc/invoke.texi: Update.
15279 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15281 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
15282 constants provided by 80387 instructions in the destination mode.
15284 2006-01-26 Richard Guenther <rguenther@suse.de>
15285 Andrew Pinski <pinskia@physics.uc.edu>
15288 partial PR tree-opt/17064
15289 * tree-ssa-structalias.c (intra_create_variable_infos):
15290 Create heap variables for incoming parameters if
15291 flag_argument_noalias > 1.
15292 (find_what_p_points_to): Look through default defs of
15295 2006-01-26 Jeff Law <law@redhat.com>
15298 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
15299 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
15300 within the VR_RANGE, use the VR_RANGE as the result, not the
15302 (adjust_range_with_scev): Reject ranges from SCEV which are out of
15303 bounds for the type.
15305 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
15307 * tree-ssa-alias.c (maybe_create_global_var): Change
15308 subvar walking to an assertion that we don't have subvar'd variables.
15310 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
15313 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
15314 Use a new variable, inner. PARM_DECLs are always non-weak.
15316 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
15318 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
15319 --disable-checking.
15321 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
15323 * config/mips/mips.md (*clear_upper32): New combiner pattern.
15325 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
15327 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
15328 (smax_insn, smin_insn, smax_0, smin_0): New.
15330 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
15333 * config/cris/cris.c (cris_order_for_addsi3): New function.
15334 * config/cris/cris-protos.h: Prototype it.
15335 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
15336 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
15337 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
15338 (split for "op.S1 [rx=rx+i],ry (swapped)")
15339 (split for "op(s|u).S1 [rx=rx+i],ry")
15340 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
15341 Apply cris_order_for_addsi3 when generating addsi3 insns.
15343 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15345 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
15346 (TREE_BLOCK): Add call to EXPR_CHECK.
15348 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15351 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
15352 * tree-pretty-print.c (dump_omp_clause): Extract from ...
15353 (dump_omp_clauses): ... here.
15354 (dump_generic_node): Handle OMP_CLAUSE.
15355 * tree.c (omp_clause_num_ops): New.
15356 (omp_clause_code_name): New.
15357 (tree_code_size): Handle OMP_CLAUSE.
15358 (tree_size): Likewise.
15359 (make_node): Document handling of OMP_CLAUSE.
15360 (tree_node_structure): Handle OMP_CLAUSE.
15361 (omp_clause_check_failed): New.
15362 (omp_clause_range_check_failed): New.
15363 (omp_clause_operand_check_failed): New.
15364 (build_omp_clause): New.
15365 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
15366 * tree.h (enum omp_clause_code): Declare.
15367 (OMP_CLAUSE_SUBCODE_CHECK): Define.
15368 (OMP_CLAUSE_RANGE_CHECK): Define.
15369 (OMP_CLAUSE_ELT_CHECK): Define.
15370 (omp_clause_check_failed): Declare.
15371 (omp_clause_operand_check_failed): Declare.
15372 (omp_clause_range_check_failed): Declare.
15373 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
15374 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
15375 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
15376 (OMP_CLAUSE_LASTPRIVATE): Likewise.
15377 (OMP_CLAUSE_IF_EXPR): Likewise.
15378 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
15379 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
15380 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
15381 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
15382 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
15383 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
15384 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
15385 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
15386 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
15387 (OMP_CLAUSE_CODE): Define.
15388 (OMP_CLAUSE_SET_CODE): Define.
15389 (OMP_CLAUSE_CODE): Define.
15390 (OMP_CLAUSE_OPERAND): Define.
15391 (struct tree_omp_clause): Declare.
15392 (union tree_node): Add field 'omp_clause'.
15393 * treestruct.def (TS_OMP_CLAUSE): Define.
15394 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
15395 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
15396 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
15397 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
15398 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
15399 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
15400 (OMP_CLAUSE): Define.
15401 * print-tree.c (print_node): Handle OMP_CLAUSE.
15402 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
15403 * c-typeck.c: Likewise.
15404 * gimplify.c: Likewise.
15405 * c-omp.c: Likewise.
15406 * tree-nested.c: Likewise.
15407 * tree-inline.c: Likewise.
15408 * c-parser.c: Likewise.
15409 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
15412 2006-01-25 Roger Sayle <roger@eyesopen.com>
15414 PR rtl-optimization/25703
15415 * combine.c (try_combine): Handle zero_extract and strict_low_part
15416 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
15418 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
15420 * global.c: Fix comment typos.
15422 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
15425 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
15426 Use output_addr_const instead of assemble_name.
15428 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
15430 * Makefile.in (sched-vis.o): Update dependencies.
15431 * haifa-sched.c (sched_finish): Clear current_sched_info.
15432 * cfg.c (dump_bb_info): New, split from dump_flow_info.
15433 (dump_flow_info): Call it.
15434 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
15436 * basic-block.h (dump_bb_info): Declare.
15437 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
15438 option, and apply options only for dump files whose TDF_RTL,
15439 TDF_TREE, or TDF_IPA bits match.
15440 * rtl.h: Declare new functions exported from sched-vis.c.
15441 * sched-vis.c: Enable also if scheduling is not used.
15442 (print_value): Print the mode of registers if not inside scheduling.
15443 (print_insn): Make it work outside the scheduler. Beautify the output
15445 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
15447 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15449 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
15450 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
15451 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
15452 depending on the value of CONSTANT_POOL_ADDRESS_P.
15453 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
15455 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
15456 rather than SYMBOL_REF_DECL.
15457 (rtx_constant_pool): Remove const_rtx_sym_htab.
15458 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
15459 (init_varasm_status): Don't initialize const_rtx_sym_htab.
15460 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
15461 Remove handling of const_rtx_sym_htab.
15462 (find_pool_constant): Delete.
15463 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
15464 rather than find_pool_constant.
15465 (get_pool_constant_for_function): Delete.
15466 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
15467 find_pool_constant.
15468 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
15469 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
15470 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
15471 (SYMBOL_REF_CONSTANT): New macro.
15472 (get_pool_constant_for_function): Delete.
15473 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
15474 rather than SYMBOL_REF_DECL.
15475 (i386_pe_mark_dllimport): Likewise.
15476 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
15477 rather than SYMBOL_REF_DECL.
15478 * config/darwin.c (machopic_indirect_data_reference): Likewise.
15479 (machopic_indirect_call_target): Likewise.
15481 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
15483 * flow.c (delete_noop_moves): Add missing EOL to dump message.
15485 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15487 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
15489 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
15491 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
15493 2006-01-24 David Daney <ddaney@avtrex.com>
15496 * configure.ac (enable_tls): New enable option.
15497 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
15498 * configure: Regenerate.
15499 * doc/install.texi (--enable-tls): Document new option.
15500 (--disable-tls): Ditto.
15502 2006-01-24 Richard Henderson <rth@redehat.com>
15504 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
15505 * alias.c (true_dependence): Respect it.
15506 (canon_true_dependence, write_dependence_p): Likewise.
15507 * builtins.c (get_builtin_sync_mem): Set it.
15509 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
15511 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
15514 2006-01-24 DJ Delorie <dj@redhat.com>
15516 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
15517 for storing constants in single-bit bitfields.
15519 2006-01-25 Ben Elliston <bje@au.ibm.com>
15521 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
15523 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
15526 * tree-ssa-pre.c (phi_translate): Return NULL
15527 for AGGREGATE_TYPE's.
15529 2006-01-24 Zack Weinberg <zackw@panix.com>
15531 * genautomata.c (process_state_for_insn_equiv_partition):
15532 Use xcalloc for insn_arcs_array.
15533 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
15534 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
15536 2006-01-24 Richard Henderson <rth@redhat.com>
15538 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
15539 update all callers.
15541 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
15543 PR rtl-optimization/25890
15544 PR rtl-optimization/25905
15545 * combine.c (expand_compound_operation, expand_field_assignment):
15546 Fail if the bitfield's final position is out of bounds.
15548 2006-01-24 Ian Lance Taylor <ian@airs.com>
15550 PR middle-end/25930
15551 * cgraphunit.c (cgraph_output_in_order): Don't clear
15552 cgraph_asm_nodes until after asm strings have been output.
15554 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
15556 * fix-header.c (read_scan_file): Add new parameter imultilib when
15557 calling register_include_chains.
15559 2006-01-23 Diego Novillo <dnovillo@redhat.com>
15561 * omp-low.c: Update documentation.
15563 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15564 Daniel Berlin <dberlin@dberlin.org>
15568 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
15569 return from the function.
15571 2006-01-22 Zack Weinberg <zackw@panix.com>
15573 * rtl.def (match_code): Add second argument.
15574 * genpreds.c (write_extract_subexp): New function.
15575 (write_match_code): Add path argument. Use write_extract_subexp.
15576 (write_predicate_expr): Pass path to write_match_code.
15577 (mark_mode_tests): MATCH_CODE applied to a subexpression does
15578 not perform a mode test.
15579 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
15580 a subexpression does not constrain the top-level code set.
15581 * read-rtl.c (read_rtx_variadic): New function.
15582 (read_rtx_1): Use it; allow AND and IOR to be variadic.
15583 * doc/md.texi: Document new notation.
15584 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
15585 (cmpsi_operand): ... here, using new notation.
15587 2006-01-22 Zack Weinberg <zackw@panix.com>
15589 * varray.c: Remove GENERATOR_FILE #ifdefs.
15591 2006-01-22 Zack Weinberg <zackw@panix.com>
15593 * genautomata.c (output_reserved_units_table): Emit nothing if
15594 description->query_units_num is zero. Remove extra blank line.
15595 (output_cpu_unit_reservation_p): Short circuit
15596 if description->query_units_num is zero.
15598 2006-01-22 Zack Weinberg <zackw@panix.com>
15600 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
15601 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
15602 nor any of the random handful of variables that used to be necessary
15603 when this program was linked with rtlanal.o. Prune set of forward
15604 function declarations.
15605 (struct attr_desc): Remove static_p field.
15606 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
15607 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
15608 (attr_string): Do not read the character one past the length of
15610 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
15611 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
15612 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
15613 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
15614 (make_automaton_attrs): New.
15615 (main): Do not call into genautomata. Call local gen_bypass
15616 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
15617 Remove special case for insn_alts.
15618 * genautomata.c: Include gensupport.h; not genattrtab.h nor
15619 varray.h (leftover from previous change). Prune set of forward
15620 function declarations. Remove state_alts fields from all
15621 structures. Remove state_alts_table from struct automaton.
15622 Make everything except main static. Do not maintain num_dfa_decls.
15623 Do not maintain state_alts fields of various structures.
15624 (process_decls): Don't validate condexp for dm_insn_reserv decls.
15625 (add_arc): Remove state_alts argument. All callers updated.
15626 (output_reserved_units_table): Emit #ifdef here...
15627 (output_tables): ...not here. Don't generate state_alts tables.
15628 (expand_automata): Don't generate attributes.
15629 (write_automata): Don't generate state_alts functions.
15630 (main): New function.
15631 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
15632 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
15633 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
15634 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
15635 (BYPASS_P_FUNC_NAME, output_state_alts_table)
15636 (output_automata_list_state_alts_code, output_internal_state_alts_func)
15637 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
15638 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
15640 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15641 * genattrtab.h: Delete file.
15642 * Makefile.in (OBJS-common): Add insn-automata.o.
15643 (insn-automata.o): New rule.
15644 (simple_generated_c): Add insn-automata.c.
15645 (build/genattrtab.o, build/genautomata.o): Update dependencies.
15646 (genprogmd): Add automata.
15647 (build/genattrtab): Needs no extra objects nor libraries.
15648 (build/genautomata): Needs build/vec.o and -lm.
15650 2006-01-22 Zack Weinberg <zackw@panix.com>
15652 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15653 (output_dfa_max_issue_rate, locked_states_num): Delete.
15654 (struct automaton): Add locked_states field.
15655 (output_dead_lock_vect): Save number of locked states in
15656 automaton->locked_states. If it is zero, don't print anything.
15657 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15658 (output_internal_dead_lock_func): Only test the dead_lock_vect
15659 for automata that have locked states.
15660 (output_statistics): Always print the number of locked states for
15661 each automaton. Calculate total number of locked states here.
15662 (write_automata): Don't call output_dfa_max_issue_rate.
15663 * genattrtab.c: Define length_unit_log as a const variable.
15664 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15665 max_insn_queue_index const.
15666 * final.c (length_unit_log): Declare const.
15667 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15669 2006-01-22 Zack Weinberg <zackw@panix.com>
15671 * genautomata.c: Include vec.h, not varray.h.
15672 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15673 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
15674 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
15675 VEC_* macros operating on appropriately typed vectors, or to
15676 malloced arrays when the size is known in advance. Const-ify
15677 many char* variables and function arguments. No functional changes.
15678 * Makefile.in (build/varray.o): Delete rule.
15679 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15680 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15682 2006-01-22 Zack Weinberg <zackw@panix.com>
15684 * gensupport.c: Define get_insn_name and record_insn_name here.
15685 (read_md_rtx): Call record_insn_name as appropriate.
15686 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15687 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15688 * genpreds.c, genrecog.c: Don't define get_insn_name nor
15690 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15691 (BUILD_VARRAY): Delete.
15692 (genprognormal): Rename genprogmd. Fold in all programs from
15693 genprognoprint; also attrtab.
15694 (build/genattrtab): Just mention genautomata.o and varray.o.
15695 Reorganize a bit, add comments to make the categories clearer.
15697 2006-01-22 Zack Weinberg <zackw@panix.com>
15699 * genconditions.c (condition_table, add_condition): Delete.
15700 (write_conditions): Don't emit n_insn_conditions nor
15701 insn_elision_unavailable. Issue the gcc version #ifdef here,
15702 inside the table, with no #else clause ...
15703 (write_header): ...not here.
15704 (write_writer): New function.
15705 (main): Don't initialize condition_table. Use add_c_test.
15707 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15708 files on the command line.
15709 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15710 Return -1 if there is no entry in the table, don't abort.
15711 (add_c_test, traverse_c_tests): New functions.
15712 * gensupport.h (insn_elision_unavailable, insn_conditions)
15713 (n_insn_conditions): Delete declarations.
15714 (add_c_test, traverse_c_tests): Declare.
15715 * read-rtl.c: Include gensupport.h.
15716 (read_conditions): New function.
15717 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15718 (read_rtx_1): If we get EOF when we were looking for an initial
15719 open paren, return 0. Call read_conditions when appropriate.
15720 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15721 dummy-conditions.o. Eliminate references to insn-conditions.o,
15722 or change them to build/gencondmd.o, as appropriate. Remove
15723 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15724 from $(simple_generated_c). For all files remaining in those
15725 two lists, add insn-conditions.md to the generator command line.
15726 Give insn-constants.h/s-constants their own rules. Add rules
15727 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15728 (build/read-rtl.o): Depend on gensupport.h.
15729 (genprognormal): Include preds.
15730 (genprogearly): Rename genprognoprint; only difference is now that
15731 they don't link with $(BUILD_PRINT).
15732 * dummy-conditions.c: Delete.
15734 2006-01-22 Zack Weinberg <zackw@panix.com>
15736 * genextract.c: Don't include insn-config.h. Do include vec.h.
15737 Declare vectors of int, char, and locstr.
15738 (locstr): New typedef.
15739 (struct extraction): Make all array fields into bare pointers.
15740 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15741 (insn_code_number): Delete.
15742 (accum_extract): New struct.
15743 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15744 (gen_insn): Take insn_code_number as an argument. Use an
15745 accum_extract structure instead of loading data directly into
15746 a struct extraction, and having to know how big it might get.
15747 (walk_rtx): Operate entirely on an accum_extract structure.
15748 (print_path): Avoid unnecessary use of printf.
15749 (print_header): New function, split out of main. Distinguish
15750 more carefully between an unrecognizable insn and an insn that
15751 has the code number of a define_expand.
15752 (main): Pass insn_code_number to gen_insn. Call print_header
15753 only after parsing. Avoid unnecessary use of printf.
15754 * Makefile.in (build/vec.o): New rule.
15755 (build/genextract): Depend on build/vec.o.
15756 (build/genextract.o): Don't depend on insn-config.h.
15758 2006-01-22 Zack Weinberg <zackw@panix.com>
15760 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15761 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15762 practical. Eliminate per-generator-program link rules.
15764 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15766 PR middle-end/24437
15767 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15768 with a call expr to ...
15769 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15771 2006-01-23 Richard Guenther <rguenther@suse.de>
15773 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15774 before make_edge with conditional EDGE_TRUE_VALUE.
15776 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15777 Jan Hubicka <jh@suse.cz>
15778 Richard Guenther <rguenther@suse.de>
15780 PR rtl-optimization/25654
15781 * cfgexpand.c (aggregate_contains_union_type): New function.
15782 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15783 for structure variables that contain a union type.
15785 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15787 * gengtype.c (new_structure): Return the structure.
15788 (create_option): Add an extra "next" argument.
15789 (create_field): New function.
15790 (adjust_field_rtx_def): Use create_option and create_field.
15791 Remove a now-unnecessary call to find_structure.
15792 (adjust_field_tree_def): Likewise.
15793 (note_yacc_type): Remove an unnecessary call to find_structure.
15794 * gengtype.h (new_structure): Return the structure.
15795 (create_option): Add an extra argument.
15796 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15797 (option): Adjust calls to create_option.
15799 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15801 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15803 2006-01-22 Paul Brook <paul@codesourcery.com>
15804 Peter Barada <peter@the-baradas.com>
15806 * config/m68k/m68k.md: Add Coldfire FPU support.
15807 Define FP mode macro and associated attributes.
15808 Use it for float mode patterns.
15809 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15810 (LIBCALL_VALUE): Use m68k_libcall_value.
15811 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15812 (m68k_function_value): Ditto.
15813 (emit_move_sequence): Ditto.
15814 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15815 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15816 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15817 (MULTILIB_EXCEPTIONS): Ditto.
15818 * config/m68k/m68k.opt: Add mcfv4e.
15819 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15820 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15821 (m68k_output_function_prologue): Save ColdFire FPU registers.
15822 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15823 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15824 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15825 ColdFire FPU registers.
15826 (m68k_libcall_value, m68k_function_value): New functions.
15827 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15828 (LIBCALL_VALUE): Use m68k_libcall_value.
15829 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15830 (MASK_COLDFIRE): Add MASK_CFV4E.
15831 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15832 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15833 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15834 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15835 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15836 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15837 * doc/invoke.tex: Document -mcfv4e on m68k.
15839 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15841 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15844 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15847 * c-opts.c (c_common_handle_option): Don't include
15848 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15849 * doc/invoke.texi (C++ Dialect Options): Document that
15850 -Wnon-virtual-dtor is no longer included in -Wall.
15852 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15854 * gcov.c (print_version), gcov-dump.c (print_version),
15855 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15858 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15860 * df-scan.c (problem_SCAN): Added NULL reset function.
15861 (df_scan_reset_blocks): Added code to call reset block function
15862 (df_bb_refs_delete) Fixed comment.
15863 (df_insn_refs_delete): Made tolerant of deleting non existent info
15864 for dataflow problems that need to be reset.
15865 * df-core.c (df_set_blocks): Ditto.
15866 * df.h (struct df_problem): Added reset_fun.
15867 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15868 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15869 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15870 functions to clear out all references to def-use or use-def chains.
15872 2006-01-21 Ben Elliston <bje@au.ibm.com>
15874 * varasm.c (assemble_real): Initialise data array.
15876 2006-01-20 Paul Brook <paul@codesourcery.com>
15878 Merge from csl-arm-branch.
15879 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15880 * config/arm/arm.md (movdi): Force operands[1] to a register
15881 if we have a non-register source.
15882 (*arm_movdi, *movdf_soft_insn): Require that one of the
15883 operands be a register.
15884 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15885 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15887 2006-01-20 DJ Delorie <dj@redhat.com>
15889 * varasm.c (initializer_constant_valid_p): Allow pointers
15890 initialized from integer constants of lesser precision.
15891 (output_constant): Allow non-int-sized pointer modes to be
15892 initialized from integer constants.
15894 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15897 * cppdefault.h (struct default_include): Add multilib flag.
15898 * cppdefault.c (cpp_include_defaults): Set it.
15899 * c.opt (-imultilib): New option.
15900 * c-opts.c (imultilib): New.
15901 (c_common_handle_option): Handle -imultilib.
15902 (c_common_post_options): Likewise.
15903 * c-incpath.c (add_standard_paths, register_include_chains):
15905 * c-incpath.h (register_include_chains): Add extra parameter.
15906 * gcc.c (do_spec_1): Generate -imultilib option.
15907 (The Specs Language): Update %I description.
15908 (process_command): Update copyright notice.
15909 * doc/cppopts.texi (-imultilib): Document.
15910 * doc/invoke.texi (-imultilib): Include in option summary.
15911 (%I): Update specs documentation.
15913 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15915 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15917 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15919 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15922 2006-01-20 Richard Guenther <rguenther@suse.de>
15923 Steven Bosscher <stevenb.gcc@gmail.com>
15925 PR rtl-optimization/24626
15926 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15927 EDGE_TRUE_VALUE if in RTL mode.
15930 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15931 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15933 2006-01-20 Dirk Mueller <dmueller@suse.com>
15936 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15937 instead of a special NOP marker.
15938 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15939 NOP marker handling.
15940 * c-common.h (empty_body_warning): Add forward declaration.
15941 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15942 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15944 2006-01-20 Paul Brook <paul@codesourcery.com>
15946 * Makefile.in (lang_checks): Keep going if mkdir fails.
15948 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15950 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15951 be able to clean out basic block when not necessary.
15952 (df_scan_free): Fixed to properly delete information if df is
15953 unused before calling df_finish.
15954 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15955 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15957 (df_bb_refs_delete): New function.
15958 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15959 * df-core.c (df_set_blocks): Added code to properly clean out
15960 unused blocks if they are not part of the blocks to consider.
15961 Added additional null check.
15962 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15963 be able to clean out basic block when not necessary
15964 * df.h (df_free_bb_function): Ditto.
15965 (df_bb_refs_delete): New function.
15966 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15967 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15968 basic block parameter to be able to clean out basic block when not
15970 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15971 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15972 Fixed to properly delete information if df is unused before
15975 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15977 PR rtl-optimization/25799
15978 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15979 Corrected confluence operator to remove bits from op2 before oring
15980 with op1 rather than removing bits from op1.
15981 (df_ru_transfer_function): Corrected test on wrong bitmap which
15982 caused infinite loop. Both of these problems were introduced in
15983 the dataflow rewrite.
15985 2006-01-19 DJ Delorie <dj@redhat.com>
15987 * reload1.c (find_reload_regs): Note the details of reload
15988 failures in the dump file.
15989 (spill_failure): Likewise.
15991 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15993 * loop-iv.c: Include df.h and hashtab.h.
15994 (enum iv_grd_result): New enum.
15995 (DF_REF_IV, DF_REF_IV_SET): New macros.
15996 (struct biv_entry): New.
15997 (df, bivs): New global variables.
15998 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15999 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
16001 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
16002 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
16003 analyzed_for_bivness_p, record_biv): New functions.
16004 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
16005 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
16006 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
16008 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
16010 (iv_number_of_iterations): Use new interface to iv analysis.
16011 * loop-unroll.c: Do not include varray.h.
16012 (analyze_iv_to_split_insn): Use new interface to iv
16014 * loop-unswitch.c (may_unswitch_on): Ditto.
16015 * df.c (df_bitmaps_free): Only work for bbs for that structures are
16017 (df_bb_modify): Realloc tables to the new index.
16018 (df_find_use): New function.
16019 * df.h (df_find_use): Declare.
16020 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
16022 * cfgloop.h (struct rtx_iv): Remove analysed field.
16023 (iv_get_reaching_def): Removed.
16024 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
16025 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
16026 (loop-iv.o): Add df.h and hashtab.h dependency.
16027 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
16029 2006-01-20 Alan Modra <amodra@bigpond.net.au>
16032 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
16034 (__floatundisf, __floatundidf): Likewise.
16035 * libgcc2.h (IS_IBM_EXTENDED): Define.
16037 2006-01-19 DJ Delorie <dj@redhat.com>
16039 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
16041 2006-01-19 Paul Brook <paul@codesourcery.com>
16043 * config/arm/arm.c (arm_compute_func_type): Treat all functions
16044 as nothrow when unwinding tables are disabled.
16046 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16049 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
16050 of bit-field" when in system header.
16052 2006-01-19 DJ Delorie <dj@redhat.com>
16054 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
16055 the 16 bit shift limit of the m16c.
16057 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
16060 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
16061 * config/i386/i386.c (output_set_got): Output the label if we have one
16062 for the TARGET_DEEP_BRANCH_PREDICTION case.
16064 2006-01-19 Jan Hubicka <jh@suse.cz>
16065 H.J. Lu <hongjiu.lu@intel.com>
16066 Evandro Menezes <evandro.menezes@amd.com>
16068 * invoke.texi (generic): Document
16070 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
16071 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
16072 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
16073 (x86_use_incdec, x86_pad_returns): New variables
16074 (TARGET_CPU_DEFAULT_generic): New constant
16075 (TARGET_CPU_DEFAULT_NAMES): Add generic.
16076 (enum processor_type): Add generic32 and generic64.
16077 * i386.md (cpu attribute): Add generic32/generic64
16078 (movhi splitter): Behave sanely when both partial_reg_dependency and
16079 partial_reg_stall are set.
16080 (K8 splitters): Enable for generic as well.
16081 * predicates.md (incdec_operand): Use TARGET_INCDEC
16082 (aligned_operand): Avoid memory mismatch stalls.
16083 * athlon.md: Enable for generic64, new patterns for 128bit moves.
16084 * ppro.md: Enable for generic32
16085 * i386.c (generic64_cost, generic32_cost): New.
16086 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
16087 (x86_use_leave): Enable for generic64. (x86_use_sahf,
16088 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
16089 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
16090 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
16091 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
16092 x86_partial_reg_dependency, x86_memory_mismatch_stall,
16093 x86_accumulate_outgoing_args, x86_prologue_using_move,
16094 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
16095 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
16096 Enable for generic.
16097 (x86_use_incdec, x86_pad_returns): New.
16098 (override_options): Add generic32 and generic64, translate "generic"
16099 to generic32/generic64 and "i686" to "generic32", refuse
16100 "generic32"/"generic64" as arch target.
16101 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
16102 (ix86_reorg): Honor PAD_RETURNS.
16104 2006-01-19 Diego Novillo <dnovillo@redhat.com>
16106 * tree-pretty-print.c (dump_generic_node): Handle
16107 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
16108 * cgraph.c (cgraph_expand_queue): Rename from
16109 cgraph_analyze_queue. Update all users.
16110 * cgraphunit.c (cgraph_assemble_pending_functions): Process
16111 cgraph_expand_queue.
16112 (cgraph_expand_all_functions): Likewise.
16113 (cgraph_finalize_pending_functions): Remove. Update callers.
16115 * tree.h (OMP_DIRECTIVE_P): Define.
16116 (OMP_PARALLEL_FN): Define.
16117 (OMP_PARALLEL_DATA_ARG): Define.
16118 (OMP_SECTIONS_SECTIONS): Define.
16119 * tree-pass.h (pass_expand_omp): Declare.
16120 * omp-low.c (struct omp_region): Declare.
16121 (struct omp_context): Remove fields 'parallel_type',
16122 'parallel_start_ix' and 'parallel_start_additional_args'.
16124 (struct omp_for_data): Rename from struct expand_omp_for_data.
16125 (omp_regions): New static variable.
16126 (root_omp_region): New static variable.
16127 (find_omp_clause): Make static.
16128 (is_in_combined_parallel_ctx): Remove.
16129 (is_combined_parallel): New.
16130 (extract_omp_for_data): Move earlier in the file.
16131 (workshare_safe_to_combine_p): New.
16132 (get_ws_args_for): New.
16133 (determine_parallel_type): Move earlier in the file.
16134 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
16136 (omp_copy_decl): Likewise.
16137 (create_omp_child_function): Likewise.
16138 (lookup_omp_region): New.
16139 (dump_omp_region): New.
16140 (debug_omp_region): New.
16141 (debug_all_omp_regions): New.
16142 (new_omp_region): New.
16143 (scan_omp_parallel): If parallel_nesting_level > 1, the
16144 directive is nested within another parallel directive.
16145 Set OMP_PARALLEL_FN.
16146 (scan_omp_for): Do not try to handle combined parallel+for
16148 Remove FIXME comment.
16149 (scan_omp_nested): Remove.
16150 (scan_omp_1): Do not call scan_omp_nested when
16151 parallel_nesting_level is > 1.
16152 Do not change the DECL_CONTEXT of local variables found.
16153 (lookup_decl_in_outer_ctx): New.
16154 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
16155 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
16156 (lower_reduction_clauses): Rename from expand_reduction_clauses.
16157 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
16158 If CTX is nested, lookup VAR in the outer context when
16159 building copy assignment.
16160 (lower_send_clauses): Rename from expand_send_clauses.
16161 If CTX is nested, lookup VAR in the outer context when
16162 building copy assignments.
16163 (lower_send_shared_vars): Rename from expand_send_shared_vars.
16164 If CTX is nested, lookup VAR in the outer context when
16165 building copy assignments.
16166 (expand_parallel_call): Rename from build_parallel_call.
16167 Handle combined parallel+workshare cases.
16168 Re-implement to emit code into the CFG.
16170 (expand_omp_parallel): Re-implement to emit code into the CFG.
16171 Call move_sese_region_to_fn to outline the sub-graph
16172 containing the parallel region.
16173 (expand_omp_for_1): Remove.
16174 (expand_omp_for_generic): Re-implement to emit code into the
16176 (expand_omp_for_static_nochunk): Likewise.
16177 (expand_omp_for_static_chunk): Likewise.
16178 (expand_omp_for): Likewise.
16179 (expand_omp_sections): Likewise.
16180 (remove_exit_barriers): New.
16181 (expand_omp_synch): New.
16183 (build_omp_regions_1): New.
16184 (build_omp_regions): New.
16185 (execute_expand_omp): New.
16186 (gate_expand_omp): New.
16187 (pass_expand_omp): Define.
16188 (lower_omp_sections): Rename from expand_omp_sections.
16189 Set OMP_SECTIONS_SECTIONS.
16190 (lower_omp_single_simple): Rename from expand_omp_single_simple.
16191 (lower_omp_single_copy): Rename from expand_omp_single_copy.
16192 (lower_omp_single): Rename from expand_omp_simple.
16193 (lower_omp_master): Rename from expand_omp_master.
16194 (lower_omp_ordered): Rename from expand_omp_ordered.
16195 (lower_omp_critical): Rename from expand_omp_critical.
16196 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
16197 (lower_omp_for): Re-implement.
16198 (lower_omp_parallel): Re-implement.
16199 (lower_regimplify): Rename from expand_regimplify.
16200 (lower_omp_1): Rename from expand_omp_1.
16201 If there are syntax errors in the program, replace every
16202 OpenMP directive with NOP.
16203 Call lower_omp_* instead of expand_omp_*.
16204 (lower_omp): Rename from expand_omp.
16206 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
16207 * tree-gimple.h (enum omp_parallel_type): Remove.
16208 (gimple_boolify): Declare extern.
16209 (find_omp_clause, determine_parallel_type): Remove.
16211 * gimple-low.c (lower_omp_directive): New.
16212 (lower_stmt): Call it.
16213 (record_vars_into): Move from ...
16214 (record_vars): ... here.
16215 Call record_vars_into with current_function_decl.
16217 * gimplify.c (struct gimplify_ctx): Remove fields
16218 combined_pre_p and combined_ctxp. Update users.
16219 (get_formal_tmp_var): Add documentation.
16220 (gimple_boolify): Make extern.
16221 (gimplify_expr_in_ctx): Remove. Update callers.
16222 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
16223 will always be a BIND_EXPR.
16224 (gimplify_expr): Handle OMP_RETURN_EXPR.
16225 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
16226 (OMP_PARALLEL): Add 3 operands.
16227 (OMP_SECTIONS): Add 1 operand.
16228 (OMP_RETURN_EXPR): Define.
16230 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
16231 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
16232 * tree-iterator.c (alloc_stmt_list): Assert that we are not
16233 creating a circular free list.
16234 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
16236 * tree-flow.h (move_sese_region_to_fn): Declare.
16237 (record_vars_into): Declare.
16238 * tree-cfg.c (make_omp_sections_edges): New.
16239 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
16240 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
16241 OMP_SECTIONS and OMP_SECTION.
16242 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
16243 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
16244 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
16245 (gather_blocks_in_sese_region): New.
16246 (struct move_stmt_d): Declare.
16247 (move_stmt_r): New.
16248 (move_block_to_fn): New.
16249 (move_sese_region_to_fn): New.
16251 * passes.c (init_optimization_passes): Schedule
16252 pass_expand_omp after pass_init_datastructures.
16254 * tree-ssa-operands.c (get_expr_operands): Handle
16255 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
16256 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
16258 2006-01-19 Jeff Law <law@redhat.com>
16260 * tree-vrp.c (extract_range_from_assert): Refine the result range
16261 if the variable referenced by the ASSERT_EXPR has a range and
16262 either the tentative result range or the previous range is a
16265 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16267 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
16269 2006-01-19 Jan Hubicka <jh@suse.cz>
16271 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
16273 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
16275 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
16276 (expand_compound_operation, expand_field_assignment): Fail if the
16277 bit lengths of an extract operation are out of range.
16278 (make_extraction): Compute wanted_inner_mode based on the position
16279 and length of the extraction. Make it extraction_mode for non-constant
16280 positions, and do not modify offset in that case. When generating a
16281 new MEM, use a mode that can hold the extraction while keeping correct
16282 alignment. Remove code that supported MEMs wrapped by USEs.
16283 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
16285 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
16287 * config/s390/s390.md ("Y", "y"): New mode attribute.
16288 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
16289 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
16290 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
16291 "*addsi3_imm_cc", "*addsi3_carry1_cc",
16292 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
16293 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
16294 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
16295 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
16296 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
16297 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
16298 "addsi3", "subsi3"): Insn patterns removed.
16299 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
16300 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
16301 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
16302 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
16303 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
16304 "*sub<mode>3_cconly2"): New insn patterns.
16305 ("addsi3", "subsi3"): New expanders.
16307 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
16309 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
16310 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
16311 existing STMT_VINFO_VECTYPE if available.
16312 (vect_mark_relevant): Add special handling for stmts that are
16313 marked as STMT_VINFO_IN_PATTERN_P.
16314 (vect_analyze_loop): Call vect_pattern_recog.
16315 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
16316 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
16318 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
16319 (vect_recog_func_ptr): New function-pointer type.
16320 * tree-vect-patterns.c: New file.
16321 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
16322 (vect_recog_dot_prod_pattern, vect_pattern_recog):
16323 (vect_pattern_recog_1): New functions.
16324 (vect_pattern_recog_funcs): New array of function pointers.
16326 * tree-vectorizer.h (ternary_op): New enum value.
16327 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
16328 declaration. Revised documentation. Removed redundant dump prints.
16329 Removed redundant argument. Added support for reduction patterns.
16330 (vectorizable_reduction): Added support for reduction patterns.
16331 (vect_transform_stmt): Added support for patterns.
16333 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
16334 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
16335 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
16336 (expand_widen_pattern_expr): New function.
16337 (init_optabs): Initialize new optabs udot_prod_optab,
16339 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
16340 (sdot_prod_optab, udot_prod_optab): Define new optabs.
16341 (expand_widen_pattern_expr): New function declaration.
16342 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
16344 * tree-inline.c (estimate_num_insns_1): Added cases for new
16345 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16346 * tree-pretty-print.c (dump_generic_node): Likewise.
16347 (op_prio): Likewise.
16348 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16349 * tree-ssa-operands.c (get_expr_operands): Added case for
16351 * tree-vect-patterns.c (widened_name_p): New function.
16352 (vect_recog_dot_prod_pattern): Added function implementation.
16353 * tree-vect-transform.c (get_initial_def_for_reduction): Added
16354 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
16355 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
16356 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
16358 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
16359 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
16360 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
16361 (init_optabs): Initialize new optabs widen_ssum_optab,
16363 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
16364 (widen_ssum_optab, widen_usum_optab): Define new optabs.
16365 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
16366 use instead of type of def.
16367 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
16368 function implementation.
16369 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
16370 widen_ssumv8hi): New.
16372 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
16375 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16378 * c-decl.c (add_flexible_array_elts_to_size): New function.
16379 (finish_decl): Use it.
16381 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
16383 * diagnostic.h: Include options.h.
16384 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
16385 dependancies for diagnostic.h.
16386 * Makefile.in (DIAGNOSTIC_H): Add options.h.
16388 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
16390 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
16391 (ssa_ro_call_cache_valid): Ditto.
16392 * tree-ssa-alias.c (sort_tags_by_id): New function.
16393 (init_transitive_clobber_worklist): Ditto.
16394 (add_to_worklist): Ditto.
16395 (mark_aliases_call_clobbered): Ditto.
16396 (compute_tag_properties): Ditto.
16397 (set_initial_properties): Ditto.
16398 (compute_call_clobbered): Ditto.
16399 (compute_may_aliases): Call compute_call_clobbered and grouping.
16400 (compute_flow_sensitive_aliasing): Remove clobbering related code.
16401 (compute_flow_insensitive_aliasing): Grouping now happens in our
16403 (setup_pointers_and_addressables): Remove clobbering related code.
16404 (add_may_alias): Ditto.
16405 (replace_may_alias): Ditto.
16406 (get_nmt_for): Ditto.
16407 (create_global_var):
16408 (is_escape_site): Return an escape_type enumeration.
16409 * tree-flow-inline.h (is_call_clobbered): Global var does not
16410 imply call clobbered.
16411 (mark_call_clobbered): Take a reason for marking this. Remove
16412 marking of globalness, and cache invalidation.
16413 (clear_call_clobbered): Remove cache invalidation code.
16414 * tree-dfa.c (dump_variable): If details is on, dump the reason
16416 * tree-outof-ssa.c (create_temp): Copy escape mask from original
16418 * tree-flow.h (struct ptr_info_def): Add escape mask member.
16419 (struct var_ann_d): Ditto.
16420 (enum escape_type): New.
16421 (mark_call_clobbered): Adjust prototype.
16422 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
16423 are never call clobbered.
16424 Record reasons for escaping.
16425 * tree-ssa-structalias.h (is_escape_site): Update prototype.
16426 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
16427 (ssa_ro_call_cache_valid): Ditto.
16428 (clobbered_v_may_defs): Ditto.
16429 (clobbered_vuses): Ditto.
16430 (ro_call_vuses): Ditto.
16431 (clobber_stats): New.
16432 (init_ssa_operands): Zero out clobber stats.
16433 (fini_ssa_operands): Print out clobber stats.
16434 (get_call_expr_operands): Pass callee fndecl to
16435 add_call_read_ops).
16436 (add_call_clobber_ops): Remove use of cache.
16437 Add use of PURE_CONST information.
16438 (add_call_read_ops): Remove use of cache.
16439 Add use of static not_read information.
16441 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
16443 Introduce TLS descriptors for i386 and x86_64.
16444 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
16445 (TARGET_ANY_GNU_TLS): New macro.
16446 (enum tls_dialect): Added TLS_DIALECT_GNU2.
16447 (struct machine_function): Add tls_descriptor_call_expanded_p.
16448 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
16449 (ix86_current_function_calls_tls_descriptor): Likewise.
16450 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
16451 (override_options): Introduce gnu2 tls dialect.
16452 (ix86_frame_pointer_required): Functions containing TLSCALLs are
16454 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
16456 (legitimize_tls_address): Adjust logic for GNU2 TLS.
16457 (ix86_init_machine_status): Initialize new field.
16458 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
16459 (ix86_tls_module_base): New.
16460 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
16461 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
16462 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
16463 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
16464 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
16465 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
16466 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
16467 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
16468 * config/i386/predicates.md (tls_modbase_operand): New.
16469 (tp_or_register_operand): New.
16471 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
16473 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
16474 (look_for_address_of): Ditto.
16475 (ipa_init): Walk the function decls.
16476 (static_execute): Don't set readonly on FUNCTION_DECL's.
16478 2006-01-18 Roger Sayle <roger@eyesopen.com>
16480 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
16481 for shifts where the source and destination registers are different.
16483 2006-01-18 Paul Brook <paul@codesourcery.com>
16485 Merge from csl-arm-branch.
16486 2005-03-14 Julian Brown <julian@codesourcery.com>
16487 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
16488 (aeabi_llsl): Likewise.
16489 (ashrdi3): Likewise.
16490 (aeabi_lasr): Likewise.
16491 (lshrdi3): Likewise.
16492 (aeabi_llsr): Likewise.
16493 2005-03-10 Julian Brown <julian@codesourcery.com>
16494 * config.gcc: Disable shared libgcc for SymbianOS.
16495 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
16497 2006-01-18 DJ Delorie <dj@redhat.com>
16499 * c-pragma.c (handle_pragma_diagnostic): New.
16500 (init_pragma): Register it.
16501 * doc/extend.texi: Document it.
16503 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
16504 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
16505 (diagnostic_context): Add classify_diagnostic[].
16506 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
16507 as errors if they're overridden to DK_WARNING.
16508 (diagnostic_initialize): Initialize classify_diagnostic[].
16509 (diagnostic_set_kind_override): New.
16510 (diagnostic_report_diagnostic): Check for kind changes.
16511 * opts.c (common_handle_option): Take lang_mask. Update callers.
16512 Handle OPT_Werror_.
16513 * common.opt (Werror=): New.
16514 * doc/invoke.texi: Document -Werror=*
16516 2006-01-18 Jeff Law <law@redhat.com>
16518 * tree-vrp.c (test_for_singularity): Correct test for new
16519 min limit. Use operand_equal_p rather than pointer equality
16520 for testing if new min/max values are equal.
16522 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
16523 using range information until after propagation and folding.
16525 2006-01-18 Richard Henderson <rth@redhat.com>
16526 Aldy Hernandez <aldyh@redhat.com>
16527 Jakub Jelinek <jakub@redhat.com>
16528 Diego Novillo <dnovillo@redhat.com>
16530 * omp-low.c: New file.
16531 * c-omp.c: New file.
16533 2006-01-18 Richard Henderson <rth@redhat.com>
16534 Jakub Jelinek <jakub@redhat.com>
16535 Diego Novillo <dnovillo@redhat.com>
16537 * doc/invoke.texi: Document -fopenmp.
16538 * tree-dump.h (debug_function): Declare.
16539 * hooks.c (hook_bool_tree_bool_false): New function.
16540 (hook_tree_tree_null): Remove.
16541 (hook_tree_tree_tree_null): New.
16542 * hooks.h: Update to match.
16543 * tree-pretty-print.c (debug_tree_chain): New.
16544 (print_generic_expr): Handle TDF_CHAIN.
16545 (dump_generic_node): Handle BLOCK.
16546 Do not abort with incomplete SWITCH_EXPRs.
16547 Do not dump body of an OpenMP directive if TDF_SLIM is given.
16548 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
16549 print space after directive name.
16550 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
16551 Handle OMP_MASTER and OMP_ORDERED.
16552 Handle printing of OMP_BODY just in one place, goto
16553 dump_omp_body in the rest of OMP_* nodes that have
16555 Don't handle clause nodes here. Update omp statements to
16556 use dump_omp_clauses.
16557 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
16558 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
16559 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
16560 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
16561 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
16562 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
16563 Adjust output for GOMP_PARALLEL.
16564 (dump_omp_clauses): New.
16565 (print_declaration): Dump DECL_VALUE_EXPR.
16566 (op_symbol_1): Split out of op_symbol.
16567 (dumping_stmts): Remove. Update all users.
16568 * cgraph.c (cgraph_analyze_queue): New.
16569 (cgraph_add_new_function): New.
16570 * cgraph.h (cgraph_analyze_queue): Declare.
16571 (cgraph_add_new_function): Declare.
16572 (cgraph_lower_function): Remove.
16573 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
16574 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
16575 and TYPE_P nodes in its default clause.
16576 (empty_body_p): New.
16577 (tree_range_check_failed): New.
16578 (build5_stat): New.
16579 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
16580 OMP_CLAUSE_REDUCTION_MERGE,
16581 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
16582 OMP_CLAUSE_PRIVATE_DEBUG,
16583 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
16584 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
16585 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
16586 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
16587 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
16588 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
16589 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
16590 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
16591 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
16592 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
16593 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
16594 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
16595 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
16596 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
16597 (TREE_RANGE_CHECK): New.
16598 (empty_body_p): Declare.
16599 (enum omp_clause_default_kind): New.
16600 (build_string_literal): Declare.
16601 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
16602 (build5_stat, build5): Declare.
16603 * tree-pass.h (TDF_CHAIN): Define.
16604 * tree-pass.h (PROP_gimple_lomp): Define.
16605 (pass_lower_omp): Declare.
16606 * diagnostic.h (debug_tree_chain): Declare.
16607 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
16609 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
16610 * builtins.c (build_string_literal): Make extern.
16611 * gcc.c (include_spec_function): New.
16612 (static_spec_functions): Add it.
16613 (main): Move load of libgomp.spec ...
16614 (LINK_COMMAND_SPEC): ... here.
16615 (link_gomp_spec): New.
16616 (static_specs): Include it.
16617 (LINK_COMMAND_SPEC): Add link_gomp.
16618 (GOMP_SELF_SPECS): New.
16619 (driver_self_specs): Include it.
16620 (switch_matches): Don't mark inline.
16621 (main): Load libgomp.spec.
16622 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
16623 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
16624 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
16625 * tree-gimple.h (enum omp_parallel): Declare.
16626 (determine_parallel_type): Declare.
16627 (omp_firstprivatize_variable): Declare.
16628 (omp_reduction_init): Declare.
16629 (diagnose_omp_structured_block_errors): Declare.
16630 (struct walk_stmt_info): Add want_return_expr.
16631 (struct walk_stmt_info): Add want_bind_expr, want_locations.
16632 (find_omp_clause): Declare.
16633 (insert_field_into_struct): Declare.
16634 (struct walk_stmt_info): Move from tree-nested.c
16635 (walk_stmts): Declare.
16636 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
16638 * cgraphunit.c (cgraph_lower_function): Make static.
16639 (cgraph_finalize_pending_functions): New.
16640 (cgraph_finalize_function): Call it.
16641 (cgraph_finalize_compilation_unit): Likewise.
16642 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
16643 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
16644 (BT_FN_UINT_UINT): New.
16645 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
16646 DEF_FUNCTION_TYPE_VAR_4): Document.
16647 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16648 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16649 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16650 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16651 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16652 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16653 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16654 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16655 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16656 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16657 into separate files.
16658 (DEF_GOMP_BUILTIN): New.
16659 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16660 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16661 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16662 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16663 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16664 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16665 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16666 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16667 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16668 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16669 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16670 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16671 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16672 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16673 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16674 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16675 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16676 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16677 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16678 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16679 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16680 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16681 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16682 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16683 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16684 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16685 * sync-builtins.def: New file, moved from builtins.def.
16686 * omp-builtins.def: New file, moved from builtins.def.
16687 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16688 * gimple-low.c (lower_function_body): Clear data.
16689 (lower_stmt): Do not handle COMPOUND_EXPR.
16690 Remove call to print_node_brief.
16691 * c-tree.h (c_finish_omp_clauses): New prototype.
16692 (C_DECL_THREADPRIVATE_P): Define.
16693 (lookup_name_no_remap, c_omp_remap_private): Remove
16694 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16695 (check_for_loop_decls): Update decl.
16696 (lookup_name_no_remap, c_omp_remap_private): Declare.
16697 (build_indirect_ref, build_modify_expr, pushdecl,
16698 pushdecl_top_level): Move to c-common.h.
16699 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16700 before the switch, but just in the 2 places that need it.
16701 * c-decl.c (diagnose_mismatched_decls): Do not check for
16702 mismatched thread-local attributes when OLDDECL is marked
16703 threadprivate and NEWDECL has no thread-local attributes.
16704 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16705 (c_gimple_diagnostics_recursively): Rename from
16706 c_warn_unused_result_recursively. Invoke
16707 diagnose_omp_structured_block_errors.
16708 (check_for_loop_decls): Return a singular decl found.
16709 * langhooks.c (lhd_omp_predetermined_sharing): Return
16710 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16711 (lhd_omp_firstprivatize_type_sizes): New.
16712 (lhd_omp_assignment): New.
16713 (lhd_omp_predetermined_sharing): New.
16714 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16715 (struct lang_hooks_for_types): Add
16716 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16717 omp_predetermined_sharing, omp_disregard_value_expr,
16718 omp_private_debug_clause, omp_clause_default_ctor,
16719 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16720 (c_finish_omp_clauses): New.
16721 (c_finish_bc_stmt): Diagnose break within omp for.
16722 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16723 (build_unary_op): Return error_mark after reporting
16725 (build_modify_expr): Likewise.
16726 * gimplify.c: Include optabs.h and pointer-set.h.
16727 (enum gimplify_omp_var_data): Declare.
16728 (struct gimplify_omp_ctx): Declare.
16729 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16731 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16732 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16733 (splay_tree_compare_decl_uid): New.
16734 (new_omp_context): New.
16735 (delete_omp_context): New.
16736 (gimple_add_tmp_var): Call omp_add_variable.
16737 (gimplify_bind_expr): Likewise.
16738 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16739 true, disregard DECL_VALUE_EXPR on the decl if any.
16740 (gimplify_expr_in_ctx): New.
16741 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16742 omp_add_variable, omp_notice_variable, omp_is_private
16743 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16744 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16745 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16746 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16747 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16748 gimplify_omp_atomic): New.
16749 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16750 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16751 OMP_CRITICAL and OMP_ATOMIC.
16752 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16753 * c-pragma.h (enum pragma_kind): Add
16754 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16755 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16756 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16757 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16758 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16759 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16760 PRAGMA_OMP_THREADPRIVATE.
16761 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16762 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16763 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16764 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16765 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16766 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16767 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16768 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16769 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16770 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16771 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16772 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16773 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16775 (struct nesting_info): Add field_map,
16776 suppress_expansion, debug_var_chain.
16777 (create_nesting_tree): Initialize them.
16778 (lookup_field_for_decl): Use field_map.
16779 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16780 (convert_local_omp_clauses): New.
16781 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16782 (walk_body): Split out of walk_function.
16783 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16784 (convert_nonlocal_reference): Handle omp statements.
16785 (convert_local_reference): Likewise.
16786 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16787 (unnest_nesting_tree): New.
16788 (lower_nested_functions): Call it.
16789 (insert_field_into_struct): Make extern.
16790 (struct walk_stmt_info): Move to tree-gimple.h.
16791 (walk_stmts): Make extern.
16792 * omp-builtins.def: New file.
16793 * tree-iterator.c (expr_only): Clarify comment.
16794 * c-common.h (pushdecl_top_level, pushdecl,
16795 build_modify_expr, build_indirect_ref,
16796 c_finish_omp_master, c_finish_omp_critical,
16797 c_finish_omp_ordered, c_finish_omp_barrier,
16798 c_finish_omp_atomic, c_finish_omp_flush,
16799 c_finish_omp_for, c_split_parallel_clauses,
16800 omp_clause_default_kind, c_omp_sharing_predetermined,
16801 c_omp_remap_decl): Declare.
16802 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16803 (OBJS-common): Add omp-low.o.
16804 (c-omp.o, omp-low.o): Add.
16805 (gimplify.o): Add dependency on $(OPTABS_H).
16806 (GTFILES): Add omp-low.c.
16807 (gt-stringpool.h): Add.
16808 * tree-cfg.c (set_bb_for_stmt): Do not update the
16809 block-to-labels map if we are currently expanding to RTL.
16810 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16812 Handle IDENTIFIER_NODE.
16813 (tree_verify_flow_info): Do not ICE when emitting error
16814 messages about invalid labels.
16815 (dump_function_to_file): Reset CFUN before emitting the body
16817 (debug_function): New.
16818 * passes.c (init_optimization_passes): Schedule
16820 * langhooks-def.h (lhd_omp_predetermined_sharing,
16821 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16823 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16824 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16825 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16826 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16827 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16828 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16829 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16830 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16831 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16832 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16833 (LANG_HOOK_DECLS): Use them.
16835 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16836 Richard Henderson <rth@redhat.com>
16837 Jakub Jelinek <jakub@redhat.com>
16838 Diego Novillo <dnovillo@redhat.com>
16840 * c-parser.c (pragma_omp_clause): Define.
16841 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16842 (c_parser_compound_statement): Likewise.
16843 (c_parser_statement): Likewise.
16844 (c_parser_pragma): Handle omp pragmas.
16845 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16846 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16847 (c_parser_omp_clause_name, check_no_duplicate_clause,
16848 c_parser_omp_variable_list,
16849 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16850 c_parser_omp_clause_copyprivate,
16851 c_parser_omp_clause_default,
16852 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16853 c_parser_omp_clause_lastprivate,
16854 c_parser_omp_clause_nowait,
16855 c_parser_omp_clause_num_threads,
16856 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16857 c_parser_omp_clause_reduction,
16858 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16859 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16860 c_parser_omp_atomic, c_parser_omp_barrier,
16861 c_parser_omp_critical, c_parser_omp_flush,
16862 c_parser_omp_for_loop, c_parser_omp_for,
16863 c_parser_omp_master, c_parser_omp_ordered,
16864 c_parser_omp_sections_scope, c_parser_omp_sections,
16865 c_parser_omp_parallel, c_parser_omp_single,
16866 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16867 * c-pragma.c (init_pragma): Do omp pragma registration here.
16868 * c.opt (fopenmp): New flag.
16870 2006-01-18 Eric Christopher <echristo@apple.com>
16872 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16873 * config/darwin.h (GOMP_SELF_SPECS): Define.
16875 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16877 * rtl.h: Remove the prototype for reg_alloc.
16879 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16882 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16883 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16884 sjlj and dwarf2 exception handling.
16885 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16886 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16887 * pa/pa.c (function_value): Treat complex and vector types as
16889 (function_arg): Likewise. Only pass scalar floats in the floating
16890 point argument registers.
16891 * pa/t-slibgcc-dwarf-ver: New file.
16892 * pa/t-slibgcc-sjlj-ver: New file.
16893 * pa/t-slibgcc-elf-ver: Delete file.
16895 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16897 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16898 unlikely_test_section_p test.
16900 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16902 * mode-switching.c (optimize_mode_switching): Make it static.
16903 * basic-block.h: Remove the prototype for
16904 optimize_mode_switching.
16906 * modulo-sched.c (sms_schedule): Make it static.
16907 * rtl.h: Remove the prototype for sms_schedule.
16909 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16910 * rtl.h: Remove the prototype for gcse_after_reload_main.
16912 * reg-stack.c (reg_to_stack): Make it static.
16913 * rtl.h: Remove the prototype for reg_to_stack.
16915 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16917 * rtl.h: Remove the prototypes for regrename_optimize and
16918 copyprop_hardreg_forward.
16920 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16922 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16923 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16924 Test against the appropriate null constant for the mode.
16925 If 'fixup_overlap' is true, swap the operands if they overlap.
16926 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16927 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16928 alpha_split_tmode_pair and adjust for above change.
16929 * config/alpha/alpha.md (movtf_internal): Adjust call to
16930 alpha_split_tfmode_pair and rely on it to swap the operands.
16931 (movti_internal): New insn and post-reload splitter.
16932 (movti): New expander.
16934 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16936 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16939 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16941 * rtlanal.c (global_reg_mentioned_p_1,
16942 global_reg_mentioned_p): Remove.
16943 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16945 * flow.c (initialize_uninitialized_subregs): Make it static.
16946 * rtl.h: Remove the prototype for
16947 initialize_uninitialized_subregs.
16949 * function.c (instantiate_virtual_regs): Make it static.
16950 * function.h: Remove the prototype for
16951 instantiate_virtual_regs.
16953 * regmove.c (regmove_optimize, combine_stack_adjustments):
16955 * rtl.h: Remove the prototypes for regmove_optimize and
16956 combine_stack_adjustments.
16958 2006-01-17 Roger Sayle <roger@eyesopen.com>
16960 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16961 (size_cost): Encode costs in bytes so that a reg-reg addition is
16962 equivalent to COSTS_N_INSNS(1).
16963 (override_options): Use the size_cost.branch_cost as the default
16964 ix86_branch_cost when optimizing for size.
16966 2006-01-18 Ben Elliston <bje@au.ibm.com>
16968 * Makefile.in (D32PBIT_FUNCS): New.
16969 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16970 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16971 D64PBIT_FUNCS and D128PBIT_FUNCS.
16972 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16973 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16975 (decnumber_dep): Define.
16976 * doc/libgcc.texi (Decimal float library routines): New node.
16977 * config/dfp-bit.h, config/dfp-bit.c: New files.
16979 2006-01-18 Ben Elliston <bje@au.ibm.com>
16981 * expr.c (emit_move_change_mode): Always adjust addresses, not
16982 just during reload. Copy replacements only during reload.
16983 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16984 emit_move_via_integer.
16986 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16988 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16989 instead of $(srcdir) and ${srcdir}.
16991 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16994 PR middle-end/11135
16995 * arm.h (struct machine_function): Add pic_reg.
16996 * arm.c (arm_pic_register): Make unsigned.
16997 (arm_override_options): Only set arm_pic_register if
16998 TARGET_SINGLE_PIC_BASE.
16999 (use_return_insn): Only test for a pic register if it is fixed.
17000 (arm_compute_save_reg0_reg12_mask): Likewise.
17001 (thumb_compute_save_reg_mask): Likewise.
17002 (legitimate_pic_operand): Factor out some known invariants.
17003 (legitimize_pic_address): If we don't have a fixed pic register,
17004 then set up a pseudo in the function entry sequence. Handle the
17005 pic base being in a pseudo.
17006 (arm_load_pic_register): Handle the pic register being in a pseudo.
17007 (arm_expand_prologue): Only set up the pic register if it is fixed.
17008 (thumb_expand_prologue): Likewise.
17009 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
17010 (pic_load_addr_based_insn): Likewise.
17011 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
17014 2006-01-18 Ben Elliston <bje@au.ibm.com>
17016 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
17017 decimal float modes for all floating point registers.
17019 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
17020 match_code "mem" with match_test "macho_lo_sum_memory_operand".
17022 2006-01-17 Jakub Jelinek <jakub@redhat.com>
17025 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
17026 even when the pointer is not NULL.
17028 2006-01-16 Ian Lance Taylor <ian@airs.com>
17030 * common.opt (ftoplevel-reorder): New option.
17031 * cgraph.c (cgraph_asm_nodes): New global variable.
17032 (cgraph_asm_last_node): New static variable.
17033 (cgraph_order): New global variable.
17034 (cgraph_create_node): Set new order field.
17035 (cgraph_varpool_node): Likewise.
17036 (decide_is_variable_needed): Return true if not
17037 flag_toplevel_reorder.
17038 (cgraph_add_asm_node): New function.
17039 * cgraph.h (struct cgraph_node): Add order field.
17040 (struct cgraph_varpool_node): Add order field.
17041 (struct cgraph_asm_node): Define.
17042 (cgraph_asm_nodes, cgraph_order): Declare.
17043 (cgraph_add_asm_node): Declare.
17044 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
17046 (cgraph_varpool_assemble_pending_decls): Call it.
17047 (cgraph_output_pending_asms): New static function.
17048 (cgraph_finalize_compilation_unit): Call it.
17049 (struct cgraph_order_sort): Define.
17050 (cgraph_output_in_order): New static function.
17051 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
17052 !flag_toplevel_reorder case.
17053 * c-parser.c: Include "cgraph.h".
17054 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
17056 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
17057 than -fno-unit-at-a-time.
17058 * doc/invoke.texi (Option Summary): Mention
17059 -fno-toplevel-reorder.
17060 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
17061 -funit-at-a-time documentation.
17063 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
17064 Kazu Hirata <kazu@codesourcery.com>
17066 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
17068 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
17070 * Makefile.in (FUNCTION_H): New. Use it instead of
17071 function.h throughout the file.
17072 * function.h: Include tree.h.
17074 2006-01-17 Ben Elliston <bje@au.ibm.com>
17076 * recog.c: Separate some functions with whitespace.
17078 2006-01-16 Richard Henderson <rth@redhat.com>
17080 Merge from gomp branch:
17081 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
17082 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
17083 and rename from struct inline_data. Rename callee* to dst*;
17084 caller* to src*; add copy_decl hook, transform_call_graph_edges,
17085 transform_new_cfg, transform_return_to_modify, and
17086 transform_lang_insert_block flags; remove cloning_p, versioning_p,
17088 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
17089 (copy_decl_for_dup): Remove.
17090 * tree-inline.c (struct inline_data): Move to header.
17091 (insert_decl_map): Export.
17092 (remap_decl): Update for member name changes. Use copy_decl hook.
17093 Allow for replacement to be a non-decl. Remove dead code.
17094 (remap_type_1): Check for existing mapping.
17095 (remap_type): Export.
17096 (remap_decls): Update for member name changes.
17097 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
17098 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
17099 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
17100 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
17101 (tree_function_versioning, build_duplicate_type): Likewise.
17102 (copy_body_r): Likewise. Export.
17103 (copy_decl_for_dup): Split into ...
17104 (copy_decl_for_dup_finish, copy_decl_to_var,
17105 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
17106 (replace_ref_tree, inlining_p): Remove.
17108 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17110 * ifcvt.c (if_convert): Make it static.
17111 * rtl.h: Remove the prototype for if_convert.
17113 * local-alloc.c (local_alloc): Make it static.
17114 * rtl.h: Remove the prototype for local_alloc.
17116 * loop.c (loop_optimize): Make it static.
17117 * cfgloop.h: Remove the prototype for loop_optimize.
17120 2006-01-16 DJ Delorie <dj@redhat.com>
17122 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
17125 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17127 * pa.md: Disparage copies between general and floating-point registers
17128 in 32-bit move patterns.
17130 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
17133 * Makefile.in (check-%): Depend on site.exp instead of
17134 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
17137 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17139 * global.c (global_alloc): Make it static.
17140 * rtl.h: Remove the prototype for global_alloc.
17142 2006-01-16 Richard Guenther <rguenther@suse.de>
17144 * tree-ssa-alias.c (struct used_part): Add write_only field.
17145 (get_or_create_used_part_for): Initialize it to true.
17146 (create_overlap_variables_for): Don't create structure variables
17147 for structures that only are written to.
17148 (find_used_portions): Handle MODIFY_EXPR to track whether a
17149 structure is only written to.
17151 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17153 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
17155 * basic-block.h: Remove the prototype for
17156 partition_hot_cold_basic_blocks.
17158 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
17160 * cppspec.c (lang_specific_spec_functions): Remove.
17161 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
17162 * gcc.h (lang_specific_spec_functions): Remove.
17163 * gccspec.c (lang_specific_spec_functions): Remove.
17165 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
17167 * combine.c (record_value_for_reg): Invalidate registers
17169 (record_dead_and_set_regs_1): Likewise, by passing them to
17170 record_value_for_reg.
17171 (record_dead_and_set_regs): Invalidate stores made by a
17172 call. We do not combine across a call, but we still
17173 relied on equivalences.
17175 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17177 * tree-vrp.c (extract_range_from_binary_expr): Cope with
17178 vrp_int_const_binop returning non-constant nodes.
17180 2006-01-16 Paul Brook <paul@codesourcery.com>
17182 * config/m68k/m68k.c (output_move_const_into_data_reg):
17183 Output correct mnemonic for mvz and mvs.
17185 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
17187 * rtl-factoring.c: Add sequence abstraction algorithm.
17188 * cfgcleanup.c (outgoing_edges_match): Extra checks.
17189 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
17191 (block_has_preserve_label): New function.
17192 * common.opt: Register new pass.
17193 * Makefile.in: Ditto.
17195 * timevar.def: Ditto.
17196 * tree-pass.h: Ditto.
17197 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
17198 * rtl.h (make_jump_insn_raw): Add forward decl.
17199 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
17201 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17202 Roger Sayle <roger@eyesopen.com>
17204 * fold-const.c (fold_minmax): New static function.
17205 (fold_binary) <MIN_EXPR>: Call it.
17206 <MAX_EXPR>: Likewise.
17207 * stor-layout.c (place_field): Use DECL_SIZE consistently
17208 in the computation of the new record size.
17210 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17212 * cse.c (cse_condition_code_reg): Make it static.
17213 * rtl.h: Remove the prototype for cse_condition_code_reg.
17215 * combine.c (combine_instructions): Make it static.
17216 * rtl.h: Remove the prototype for combine_instructions.
17218 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17221 * tree.c (get_file_function_name_long): Concatenate the first global
17222 object name with a string derived from the input filename of the object
17225 2006-01-16 Ben Elliston <bje@au.ibm.com>
17227 * config/i386/winnt-stubs.c: Update FSF address.
17228 * config/xtensa/ieee754-df.S: Ditto.
17229 * config/xtensa/ieee754-sf.S: Ditto.
17231 2006-01-14 Ian Lance Taylor <ian@airs.com>
17233 * ifcvt.c (noce_init_if_info): New static function, broken out of
17234 noce_process_if_block.
17235 (noce_process_if_block): Call noce_init_if_info.
17236 (check_cond_move_block): New static function.
17237 (cond_move_process_if_block): New static function.
17238 (process_if_block): Call cond_move_process_if_block.
17240 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
17242 * cselib.c (hash_table): Rename to cselib_hash_table.
17243 (cselib_clear_table, discard_useless_values,
17244 remove_useless_values, cselib_lookup_mem, cselib_lookup,
17245 cselib_init, cselib_finish): Adjust uses of hash_table.
17247 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
17249 PR tree-optimization/25485
17250 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
17251 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
17252 is known to be false and true, respectively.
17254 2006-01-14 Richard Guenther <rguenther@suse.de>
17256 PR tree-optimization/22548
17257 PR tree-optimization/22555
17258 PR tree-optimization/22501
17259 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
17260 * params.def (salias-max-array-elements): New parameter.
17261 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
17262 * doc/invoke.texi (salias-max-array-elements): Document.
17263 * tree-flow-inline.h (var_can_have_subvars): We also handle
17265 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
17267 * tree-ssa-structalias.c (params.h): Include.
17268 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
17269 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
17270 (get_constraint_for): For ADDR_EXPR operating on something
17271 containing an ARRAY_REF, add all subvars to the solution.
17272 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
17273 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
17274 for creating MUST_DEFs.
17275 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
17277 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17279 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
17281 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
17282 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
17283 number_of_iterations_le): New functions.
17284 (number_of_iterations_special): Removed.
17285 (number_of_iterations_exit): Do not use number_of_iterations_special.
17286 * tree.c (unsigned_type_for): Always return integer type.
17288 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
17289 Richard Guenther <rguenther@suse.de>
17291 PR rtl-optimization/24257
17292 * gcse.c (find_moveable_store): Only consider a store movable
17293 when the SET_SRC of the insn can be assigned to a register.
17295 2006-01-14 Ian Lance Taylor <ian@airs.com>
17297 * tree.c (tree_not_class_check_failed): New function.
17298 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
17299 (tree_not_class_check_failed): Declare.
17301 2006-01-13 Ian Lance Taylor <ian@airs.com>
17303 * reload1.c (do_output_reload): Add assertion rejecting a
17306 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
17308 * combine.c (struct reg_stat): Add new fields truncation_label and
17310 (record_value_for_reg): Reset truncated_to_mode.
17311 (record_truncated_value): New function.
17312 (check_promoted_subreg): Call it. Rename to check_conversions.
17313 (combine_instructions): Rename check_promoted_subreg to
17315 (reg_truncated_to_mode): New function.
17316 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
17317 (gen_lowpart_or_truncate): New function.
17318 (force_to_mode): Use it instead of gen_lowpart.
17320 2006-01-13 Diego Novillo <dnovillo@redhat.com>
17322 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
17323 VAR is a tag, not its type tag.
17325 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
17327 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
17328 alternatives to match style of other entries.
17329 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
17331 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
17333 PR tree-optimization/25771
17334 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
17337 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
17340 * tree-inline.c (declare_return_variable): If the return variable
17341 was marked as a non gimple complex, set the return slot variable
17342 to be a non gimple comple variable.
17344 2006-01-13 Richard Guenther <rguenther@suse.de>
17346 * builtins.c (expand_builtin_sincos): New function.
17347 (expand_builtin_mathfn_3): Remove dead code, sin and cos
17349 (expand_builtin): Expand sincos using expand_builtin_sincos.
17351 2006-01-12 DJ Delorie <dj@redhat.com>
17353 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
17354 shift counts, separate SI shifts for m32c vs m16c, pass shift type
17355 so that constant shifts can be split.
17356 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
17357 (m32c_valid_pointer_mode): Make static.
17358 (shift_gen_func_for): New.
17359 (m32c_prepare_shift): Use it. Split large const shifts into
17361 * config/m32c/predicates.md (shiftcount_operand): Allow more
17363 (longshiftcount_operand): New.
17364 * doc/md.texi (Machine Constraints): Document In6.
17366 2006-01-13 Ben Elliston <bje@au.ibm.com>
17368 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
17369 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
17372 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
17374 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
17375 to try to avoid clobbering pieces of structures when we know
17376 something about the whole structure.
17377 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
17379 2006-01-13 Ben Elliston <bje@au.ibm.com>
17381 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
17382 return in memory, as this is no limitation is no longer present.
17384 2006-01-12 DJ Delorie <dj@redhat.com>
17386 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
17387 mova with fb, and for fb+0 -> An.
17389 * config/m32c/mov.md (peephole2): Fix enabling logic.
17391 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
17392 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
17393 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
17394 FINI_ARRAY_SECTION_ASM_OP): Define.
17396 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
17398 (m32c_legitimize_reload_address): New logic to reload FB to An.
17399 (m32c_output_reg_push): Add newline.
17400 (m32c_output_reg_pop): Likewise.
17402 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
17404 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
17406 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
17408 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
17410 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17412 * config/sh/predicates.md (sh_rep_vec): Add parallel to
17415 2006-01-11 Ben Elliston <bje@au.ibm.com>
17417 * rtlanal.c (find_reg_note): Assert insn is not null.
17419 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17421 * df-scan.c (df_hard_reg_init): Move declaration of i outside
17424 2006-01-11 Jeff Law <law@redhat.com>
17426 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
17428 (mark_threaded_blocks, register_jump_thread): New functions.
17429 (thread_through_all_blocks): Remove unwanted argument. No
17430 longer rely on e->aux to communicate thread target info.
17431 Call mark_threaded_blocks. Release the threaded_blocks
17432 bitmap and threaded_edges vector when complete.
17433 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
17434 (threaded_blocks): Remove.
17435 (tree_ssa_dominator_optimize): Remove initialization and
17436 finalization of threaded_blocks. Simplify call to
17437 thread_through_all_blocks.
17438 (thread_across_edge): Call register_jump_thread rather than
17439 storing thread information into e->aux.
17440 (free_all_edge_infos): Simplify now that e->aux is no longer
17441 used to communicate with thread_through_all_blocks.
17442 * tree-flow.h (thread_through_all_blocks): Update prototype.
17443 (register_jump_thread): Prototype.
17445 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17447 * df-core.c (df_compact_blocks, df_bb_replace): Use
17448 SET_BASIC_BLOCK instead of BASIC_BLOCK.
17450 2006-01-11 Richard Guenther <rguenther@suse.de>
17452 PR tree-optimization/25734
17453 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
17454 stop propagation after successful propagation to the LHS.
17456 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17458 * basic-block.h (control_flow_graph): Change the type of
17459 x_basic_block_info to VEC(basic_block,gc) *.
17460 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
17462 (SET_BASIC_BLOCK): New.
17463 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
17464 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
17465 * cfgbuild.c (find_basic_blocks): Likewise.
17466 * cfglayout.c (fixup_reorder_chain): Likewise.
17467 * cfgrtl.c (create_basic_block_structure,
17468 rtl_create_basic_block): Likewise.
17469 * ifcvt.c (find_if_case_1): Likewise.
17470 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
17473 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17475 * Makefile.in: Removed rotted odf.c entry.
17477 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
17480 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
17481 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
17482 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
17483 output pattern modifier, not %e.
17484 * config/cris/cris.c (cris_op_str): Update comment about pattern
17486 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
17487 before falling through into...
17488 <case 'E'>: Redefined from old 'e' case.
17490 2006-01-11 Jan Hubicka <jh@suse.cz>
17493 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
17495 2006-01-11 Jan Hubicka <jh@suse.cz>
17497 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
17498 * i386.c (x86_decompose_lea): Kill.
17499 (ix86_rtx_costs): Kill.
17501 2006-01-11 Jan Hubicka <jh@suse.cz>
17503 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
17504 * cgraph.h (cgraph_node): Add inline_decl.
17505 (cgraph_insert_node_to_hashtable): Declare.
17506 (save_inline_function_body): Declare.
17507 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
17509 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
17510 (cgraph_function_versioning): Update call of tree_function_versioning.
17511 (save_inline_function_body): New function.
17512 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
17513 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
17514 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
17515 (cgraph_default_inline_p): Likewise.
17516 (cgraph_decide_inlining_incrementally): Likewise.
17517 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
17518 (copy_bb): Kill saving; do updating of clones.
17519 (copy_cfg_body): Kill saving.
17520 (initialize_inlined-parameters): Likewise.
17521 (expand_call_inline): Likewise.
17523 (tree_function_versioning): New parameter "update_clones".
17524 (inlining_p): Kill saving.
17525 * tree-inline.h (tree_function_versioning): Update prototype.
17526 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
17529 2006-01-11 Ian Lance Taylor <ian@airs.com>
17531 * combine.c (struct undo): Remove is_int. Enumify types of undos.
17532 Allow undoing set of machine mode.
17533 (do_SUBST): Use enums instead of is_int.
17534 (do_SUBST_MODE): New function.
17535 (SUBST_MODE): New macro.
17536 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
17537 reg and trying to replace reg_regno_rtx with a new register.
17538 (undo_all): Use new enums, handle undoing a PUT_MODE change.
17539 (simplify_set): Use SUBST_MODE.
17540 (distribute_notes): Remove code that tried to update reg notes
17541 for regno_reg_rtx changes.
17543 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
17545 PR tree-optimization/23109
17546 PR tree-optimization/23948
17547 PR tree-optimization/24123
17549 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
17550 * tree-cfg.c (single_noncomplex_succ): New.
17551 * tree-flow.h (single_noncomplex_succ): Declare it.
17552 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17553 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17554 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
17555 insert_bb, register_division_in, insert_reciprocals,
17556 replace_reciprocal, free_bb): New.
17557 (execute_cse_reciprocals_1): Rewritten.
17558 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
17559 Do not commit any edge insertion. Always compute dominators and
17560 create the allocation pool.
17561 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
17562 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
17563 * targhooks.c (default_min_divistions_for_recip_mul): New.
17564 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
17565 * passes.c (init_optimization_passes): Run recip after tree loop
17567 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
17569 2006-01-11 Danny Berlin <dberlin@dberlin.org>
17570 Kenneth Zadeck <zadeck@naturalbridge.com>
17572 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
17573 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
17574 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
17575 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
17576 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
17577 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
17578 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
17579 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
17580 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
17581 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
17582 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
17583 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
17584 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
17585 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
17586 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
17587 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
17588 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
17589 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
17590 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
17591 DF_SCAN_POST_ALLOC): New macros.
17592 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
17593 df_free_bb_function, df_local_compute_function, df_init_function,
17594 df_dataflow_function, df_confluence_function_0,
17595 df_confluence_function_n, df_transfer_function,
17596 df_finalizer_function, df_free_function, df_dump_problem_function,
17597 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
17598 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
17599 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
17600 df_urec_bb_info, ) New types.
17601 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
17603 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
17604 df_analyze_simple_change_some_blocks,
17605 df_analyze_simple_change_one_block, df_compact_blocks,
17606 df_bb_replace, df_bb_regno_last_use_find,
17607 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
17608 df_insn_regno_def_p, df_find_def, df_find_use,
17609 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
17610 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
17611 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
17612 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
17613 debug_df_chain, df_get_dependent_problem, df_chain_create,
17614 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
17615 df_grow_bb_info, df_chain_dump, df_print_bb_index,
17616 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
17617 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
17618 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
17619 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
17620 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
17621 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
17622 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
17623 df_ref_remove, df_insn_refs_delete, df_refs_delete,
17624 df_reorganize_refs, df_set_state, df_hard_reg_init,
17625 df_read_modify_subreg_p) New public functions.
17626 * df-core.c: The core dataflow solver and glue routines for rtl
17628 (df_init, df_add_problem, df_set_blocks, df_finish,
17629 df_hybrid_search_forward, df_hybrid_search_backward,
17630 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
17631 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
17632 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
17633 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
17634 df_reg_defined, df_find_use, df_reg_used, df_dump,
17635 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
17636 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
17637 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
17638 debug_df_useno, reset_df_after_reload): New functions.
17639 * df-scan.c: The scanning fuctions, once in df.c, completely
17640 rewritten so that they now fully model the functionality of
17641 register usage at the backend.
17642 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
17643 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
17644 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
17645 df_grow_insn_info, df_rescan_blocks, df_ref_create,
17646 df_get_artificial_defs, df_get_artificial_uses,
17647 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17648 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17649 df_refs_delete, df_reorganize_refs, df_set_state,
17650 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17651 df_def_record_1, df_defs_record, df_uses_record,
17652 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17653 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17654 df_record_exit_block_uses, df_hard_reg_init): New functions.
17656 * df-problems.c: Seven concrete dataflow problems that use the
17657 scanning in df-scan.c and are solved by the engine in df-core.c.
17658 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17659 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17660 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17661 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17662 df_ru_free_bb_info, df_ru_alloc,
17663 df_ru_bb_local_compute_process_def,
17664 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17665 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17666 df_ru_transfer_function, df_ru_free, df_ru_dump,
17667 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17668 df_rd_free_bb_info, df_rd_alloc,
17669 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17670 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17671 df_rd_transfer_function, df_rd_free, df_rd_dump,
17672 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17673 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17674 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17675 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17676 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17677 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17678 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17679 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17680 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17681 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17682 df_urec_mark_reg_change, df_urec_check_earlyclobber,
17683 df_urec_mark_reg_use_for_earlyclobber,
17684 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17685 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17686 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17687 df_urec_dump, df_urec_add_problem, df_chain_alloc,
17688 df_chain_create_bb_process_use, df_chain_create_bb,
17689 df_chain_finalize, df_chain_free, df_chains_dump,
17690 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17691 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17692 df_reg_lifetime): New functions.
17693 * df.c: Deleted file.
17694 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17695 consistent with new df api.
17696 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17697 rest_of_handle_sms): Ditto.
17698 * web.c (unionfind_union, union_defs, entry_register, web_main):
17700 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17701 invariant_expr_equal_p, find_defs, check_dependencies,
17702 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17703 free_inv_motion_data, move_loop_invariants): Ditto.
17704 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17705 Update dependencies.
17706 (odf.c): Added defective entry that was deleted later in day.
17707 * sched-deps.c (sched_analyze_1): Ditto.
17709 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17711 * tree-ssa-operands.c (get_expr_operands): Record addressable
17712 variables directly. Do not call add_stmt_operands for CONST_DECLs
17714 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17715 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17717 2006-01-11 Ben Elliston <bje@au.ibm.com>
17719 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17720 function returns true in the positive case.
17722 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17725 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17726 for SI, DI, SF and DF modes. Add alternatives to copy between
17727 general and floating point registers to the 32-bit patterns.
17728 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17729 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17730 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17731 generating 64-bit code.
17732 * config/pa/pa.c (output_move_double): Handle copies between general
17733 and floating registers.
17735 2006-01-10 Stuart Hastings <stuart@apple.com>
17737 * config/i386/i386.md (set_got): Update.
17738 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17739 (builtin_setjmp_receiver): Mach-O support.
17740 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17741 (GOT_SYMBOL_NAME): Define.
17742 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17743 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17744 * config/i386/i386.c (override_options): Revise for Darwin.
17745 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17746 support. (darwin_x86_file_end): New. (output_set_got): Add label
17747 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17748 * config/i386/i386-protos.h (output_set_got): Likewise.
17749 * config/darwin.c (machopic_legitimize_pic_address): Update
17752 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17754 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17755 when MODE isn't BLKmode.
17757 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17759 PR rtl-optimization/25367
17760 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17762 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17765 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17766 for a negative bound.
17768 2006-01-10 Richard Guenther <rguenther@suse.de>
17770 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17771 Never override with anything constraint.
17773 2006-01-10 Jan Beulich <jbeulich@novell.com>
17775 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17776 256 bits when optimize_size.
17778 2006-01-10 Jan Beulich <jbeulich@novell.com>
17780 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17782 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17783 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17786 2006-01-10 Ben Elliston <bje@au.ibm.com>
17788 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17790 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17791 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17792 (USE_FP_FOR_ARG): Reject decimal float modes.
17793 (function_arg_advance): Likewise.
17794 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17795 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17796 point types in AltiVec vectors.
17797 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17798 (rs6000_libcall_value): Likewise.
17800 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17802 * config/xtensa/ieee754-df.S: New file.
17803 * config/xtensa/ieee754-sf.S: New file.
17804 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17805 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17806 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17808 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17810 * config/sh/predicates.md (binary_float_operator,
17811 binary_logical_operator, commutative_float_operator,
17812 equality_comparison_operator, greater_comparison_operator,
17813 less_comparison_operator, logical_operator,
17814 noncommutative_float_operator, shift_operator,
17815 symbol_ref_operand, unary_float_operator): Remove redundant
17818 2006-01-09 Jeff Law <law@redhat.com>
17820 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17821 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17822 now unused arguments. Callers updated.
17823 (eliminate_redundant_computations): Remove now unused arguments,
17825 (local_fold): Remove, no longer used.
17826 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17828 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17829 (simplify_cond): New function.
17830 (forward_propagate_into_cond): Call simplify_cond.
17832 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17834 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17835 (*vec_extractv2di_1_sse): New.
17837 2006-01-09 Ben Elliston <bje@au.ibm.com>
17839 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17841 2006-01-08 Richard Guenther <rguenther@suse.de>
17843 * tree-ssa-structalias.c (get_constraint_for): Remove
17844 anyoffset argument.
17845 (get_constraint_for_component_ref): Likewise.
17846 (do_deref): Likewise.
17847 (get_constraint_for): Likewise.
17848 (do_structure_copy): Likewise.
17849 (handle_ptr_arith): Likewise.
17850 (find_func_aliases): Likewise. Remove unused need_anyoffset
17853 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17854 Kaz Kojima <kkojima@gcc.gnu.org>
17856 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17857 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17858 (EXTRA_CONSTRAINT_C16): Remove.
17859 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17860 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17861 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17862 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17863 constants of SHmedia. Handle nested constant expressions of
17865 (andcosts): Fix the costs for SHmedia constants.
17866 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17867 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17868 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17869 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17870 (movv4hi_i, movv2si_i): Likewise.
17871 (movsi_const): Adjust the second operand of ior so to match with
17872 the Csu constraint.
17873 (movdi_const, movdi_const_32bit): Likewise.
17874 (movdi_const_16bit+1): Don't sign-extend LOW.
17875 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17877 (*double_shori): Fix the split condition. Use GEN_INT instead
17878 of get_int_mode calls. Mask lower 16-bit of the argument of
17880 (sym2GOTPLT): Remove.
17881 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17883 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17884 instead of EXTRA_CONSTRAINT_C16.
17886 2006-01-07 Ian Lance Taylor <ian@airs.com>
17887 David Edelsohn <edelsohn@gnu.org>
17889 PR rtl-optimization/25662
17890 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17891 for constant operands instead of simplify_gen_binary.
17892 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17893 after trying simplify_binary_operation
17895 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17897 * tree.c (iterative_hash_expr): Hash decls based on UID.
17899 2006-01-06 Eric Christopher <echristo@apple.com>
17901 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17902 (TARGET_UNWIND_EMIT): Fix spelling.
17903 * target.h (gcc_target): Add except_table_label.
17904 * except.c (output_function_exception_table): Use.
17905 * varasm.c (default_emit_except_table_label): New.
17906 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17908 (asm_out): Add here.
17909 * output.h (default_emit_except_table_label): Prototype.
17910 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17911 * config/darwin.c (darwin_emit_except_table_label): Define.
17912 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17914 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17916 PR tree-optimization/18527
17917 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17918 number_of_iterations_special, number_of_iterations_exit):
17919 Move base and step of an iv to a single structure. Add
17920 no_overflow flag, and use it in # of iterations analysis.
17921 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17922 folded_casts argument.
17923 (simple_iv): Pass base and step in a structure. Set no_overflow
17925 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17926 Evaluate expensiveness of computing # of iterations instead of
17927 the final expression.
17928 * tree-scalar-evolution.h (affine_iv): New structure.
17929 (simple_iv): Declaration changed.
17930 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17931 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17932 find_givs_in_stmt): Changed due to simple_iv change.
17934 2006-01-06 Jeff Law <law@redhat.com>
17937 * tree-cfg.c (bsi_replace): Rename final argument from
17938 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17939 change (stmt -> orig_stmt).
17940 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17941 (bsi_remove): Add new argument. Remove EH information
17943 (verify_eh_throw_table_statements): New function.
17944 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17946 * tree-optimize.c (execute_free_cfg_annotations): Verify
17947 the EH throw statement table after removing annotations.
17948 * except.h (verify_eh_throw_table_statements): Prototype.
17949 * tree-flow.h (bsi_remove): Update prototype.
17950 * tree-vrp.c (remove_range_assertions): Add new argument to
17952 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17953 * tree-complex.c (expand_complex_div_wide): Likewise.
17954 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17955 * tree-tailcall.c (eliminate_tailcall): Likewise.
17956 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17957 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17958 * tree-nrv.c (tree_nrv): Likewise.
17959 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17960 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17961 (combine_blocks): Likewise.
17962 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17963 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17964 (cleanup_control_flow): Likewise.
17965 (remove_forwarder_block): Likewise.
17966 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17967 * tree-sra.c (sra_replace): Likewise.
17968 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17969 (forward_propagate_single_use_vars): Likewise.
17970 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17971 * tree-inline.c (expand_call_inline): Likewise.
17972 * tree-vect-transform.c (vect_transform_loop): Likewise.
17973 * tree-outof-ssa.c (rewrite_trees): Likewise.
17974 * tree-cfg.c (make_goto_expr_edges): Likewise.
17975 (cleanup_dead_labels): Likewise.
17976 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17977 (bsi_move_before, bsi_move_after): Likewise.
17978 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17979 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17981 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17984 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17986 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17987 on non gimple variables. Also add checks at the top for decls and
17989 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17991 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17992 and IMAGPART_EXPR for creating MUST_DEFs.
17993 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17994 and NAME_MEMORY_TAG separately from the DECLs.
17996 2006-01-06 Richard Guenther <rguenther@suse.de>
17998 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17999 annotation, if necessary.
18000 * tree-ssa-pre.c (create_expression_by_pieces): Remove
18001 redundant calls to update_stmt.
18002 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
18005 2006-01-05 Richard Henderson <rth@redhat.com>
18007 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
18009 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18011 * c-typeck.c: Update copyright date.
18013 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18015 * c-typeck.c (build_c_cast): Always warn when casting
18016 from a pointer to an integer of different size, even if
18017 the node was constant.
18019 2006-01-05 Richard Guenther <rguenther@suse.de>
18021 PR tree-optimization/22555
18022 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
18023 if one structure field is an array.
18024 * tree-ssa-operands.c (get_expr_operands): Continue scanning
18025 operands even if we found a subvar, but ignore VOPs in this
18027 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
18029 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
18031 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
18033 PR middle-end/24998
18034 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
18036 2006-01-05 Richard Guenther <rguenther@suse.de>
18037 Diego Novillo <dnovillo@redhat.com>
18039 * tree-pass.h (TODO_remove_unused_locals): Define.
18040 * gimple-low.c (expand_var_p, remove_useless_vars,
18041 pass_remove_useless_vars): Remove. Update all users.
18042 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
18043 (remove_unused_locals): New function.
18044 * tree-flow.h (remove_unused_locals): Declare.
18045 * passes.c (execute_todo): Call remove_unused_locals if
18046 TODO_remove_unused_locals is set.
18047 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
18048 * tree-ssa-dce.c (pass_dce): Likewise.
18049 * tree-outof-ssa.c (pass_del_ssa): Likewise.
18051 2006-01-05 Richard Guenther <rguenther@suse.de>
18053 * tree-flow.h (struct fieldoff): Decompose field to
18054 type, size and decl.
18055 * tree-ssa-alias.c (create_sft): Take type as parameter.
18056 (create_overlap_variables_for): Store type, size and decl
18057 in the fieldoff structure.
18058 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
18059 of struct fieldoff.
18060 (push_fields_onto_fieldstack): Likewise.
18061 (create_variable_info_for): Likewise. Use offset for the
18062 SFT name if the decl is not available.
18064 2006-01-04 Paul Brook <paul@codesourcery.com>
18066 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
18068 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
18070 * lambda-code.c (can_put_in_inner_loop): Relax
18072 (can_put_after_inner_loop): New function.
18073 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
18074 (perfect_nestify): Change to make copies and modify uses.
18076 2006-01-04 Richard Henderson <rth@redhat.com>
18078 Merge from gomp branch:
18079 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
18080 via integer constant.
18081 (pragma_lex): Remove.
18082 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
18083 rather than parsing it.
18084 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
18085 handle_pragma_extern_prefix): Add %< %> quotes.
18086 (registered_pragmas): New.
18087 (c_register_pragma_1): New.
18088 (c_register_pragma): Use it.
18089 (c_register_pragma_with_expansion): Likewise.
18090 (c_invoke_pragma_handler): New.
18091 (init_pragma): Use cpp_register_deferred_pragma directly for
18093 * c-pragma.h (enum pragma_kind): New.
18094 (pragma_handler): New.
18095 (c_invoke_pragma_handler): Declare.
18096 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
18098 * c-common.h (c_common_pch_pragma): Update decl.
18099 * Makefile.in (c-parser.o): Update dependencies.
18100 (GTFILES): Add c-pragma.h.
18101 * c-parser.c (struct c_token): Add pragma_kind.
18102 (struct c_parser): Add in_pragma.
18103 (c_lex_one_token): Always initialize keyword and pragma_kind.
18104 Extract data for CPP_PRAGMA.
18105 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
18106 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
18107 Don't allow CPP_PRAGMA_EOL if in_pragma.
18108 (c_parser_consume_pragma): New.
18109 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
18110 (c_parser_skip_to_end_of_parameter): Likewise.
18111 (c_parser_skip_to_end_of_block_or_statement): Likewise.
18112 (c_parser_skip_to_pragma_eol): New.
18113 (c_parser_external_declaration): Handle CPP_PRAGMA.
18114 (c_parser_compound_statement_nostart): Likewise.
18115 (c_parser_statement_after_labels): Likewise.
18116 (c_parser_pragma): New.
18117 (pragma_lex): Likewise.
18118 (c_parser_pragma_pch_preprocess): New.
18119 (c_parser_new): Merge into ...
18120 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
18122 2006-01-04 Jeff Law <law@redhat.com>
18125 * tree-cfg.c (bsi_replace): Remove the original statement
18126 from the EH throw statement table.
18128 2006-01-04 Jakub Jelinek <jakub@redhat.com>
18130 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
18131 make the prototype extern "C" and add throw ().
18134 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
18135 and pos non-negative and pos + len <= 32.
18136 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
18137 drop pos + len < HOST_BITS_PER_WIDE_INT test.
18138 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
18141 * c-common.c (handle_vector_size_attribute): Reject zero vector size
18142 as well as sizes not multiple of component size.
18145 * function.c (instantiate_expr): New function.
18146 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
18147 walk its DECL_VALUE_EXPR with instantiate_expr.
18149 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
18150 DW_OP_deref{,_size} if address isn't going to be added.
18152 2006-01-04 Ben Elliston <bje@au.ibm.com>
18154 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
18155 * config/fp-bit.c: Likewise.
18157 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
18159 * dominance.c: Add comment about why we use DFS numbering
18162 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18163 Richard Henderson <rth@redhat.com>
18165 Merge from gomp-branch:
18166 * varasm.c (assemble_variable): Handle thread-local COMMON data.
18167 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
18169 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
18171 PR rtl-optimization/25578
18172 * combine.c (combine_simplify_rtx, force_to_mode): Don't
18173 pass a parameter to simplify_shift_const if changing ASHIFTRT
18176 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
18178 * builtins.c (get_builtin_sync_mem): New function.
18179 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
18180 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
18181 Call get_builtin_sync_mem to generate mem rtx.
18183 2006-01-03 Richard Guenther <rguenther@suse.de>
18186 * stmt.c (add_case_node): Make sure to clear overflow flags
18189 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18191 Merge from gomp-branch.
18192 * config/sparc/sync.md: New file.
18193 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
18194 UNSPECV_LDSTUB): New constants.
18195 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
18196 * config/sparc/predicates.md (memory_reg_operand): New predicate.
18197 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
18200 2006-01-03 Roger Sayle <roger@eyesopen.com>
18202 * combine.c (reg_subword_p): New predicate to test whether the
18203 destination of a set refers to a subword/piece of a register.
18204 (try_combine): Generalize the code to merge the setting of a
18205 pseudo to a constant followed by a set of a subword of that
18206 register to a constant.
18208 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
18210 * basic-block.h (control_flow_graph): Change the type of
18211 x_label_to_block_map to VEC(basic_block,gc) *.
18212 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
18213 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
18215 * tree-ssa-propagate.c (cfg_blocks): Change the type to
18216 VEC(basic_block,heap) *.
18217 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
18218 ssa_prop_fini): Adjust the uses of cfg_blocks.
18220 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
18222 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
18224 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
18225 hashing trees instead of a pointer hash.
18226 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
18227 compare for MEM_EXPR.
18229 PR rtl-optimization/25130
18230 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
18231 when comparing MEMs for GCSE
18233 2006-01-03 Ben Elliston <bje@au.ibm.com>
18235 * targhooks.h (default_decimal_float_supported_p): Declare.
18236 * targhooks.c (default_decimal_float_supported_p): Define.
18237 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
18238 `default_decimal_float_supported_p'.
18239 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
18241 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
18243 * combine.c (apply_distributive_law <SUBREG>): Check
18244 TRULY_NOOP_TRUNCATION.
18246 2006-01-02 Geoffrey Keating <geoffk@apple.com>
18248 * dwarf2out.c (have_switched_text_section): Delete.
18249 (have_multiple_function_sections): New.
18250 (have_location_lists): Make 'bool'.
18251 (add_AT_loc_list): Use 'true' not '1'.
18252 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
18253 (output_loc_list): Use have_multiple_function_sections.
18254 (output_ranges): Likewise.
18255 (dwarf2out_begin_function): Set have_multiple_function_sections if
18257 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
18258 Check function_section rather than DECL_SECTION_NAME.
18259 (dwarf2out_finish): Use have_multiple_function_sections.
18260 Don't clear have_location_lists.
18262 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
18263 Jan Hubicka <jh@suse.cz>
18265 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
18266 case of conditional jump jumping to the next instruction.
18267 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
18268 cases of conditional jump jumping to the next instruction.
18270 2006-01-02 Jan Hubicka <jh@suse.cz>
18272 * i386.c (*_cost): Add COSTS_N_INSNS.
18273 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
18275 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
18278 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
18280 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
18282 * config/arm/arm.c (all_fpus): Fix comment typo.
18283 * config/darwin.c: Likewise.
18284 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
18285 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
18286 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
18288 2006-01-01 David Edelsohn <edelsohn@gnu.org>
18290 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
18291 (rs6000_split_compare_and_swapqhi): New.
18292 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
18293 (sync_compare_and_swapqhi_internal): New.
18294 * config/rs6000/rs6000-protos.h: Declare.