1 2006-11-13 Michael Matz <matz@suse.de>
3 * genemit.c (gen_expand): Allocate enough memory.
5 2006-11-13 Joseph Myers <joseph@codesourcery.com>
7 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
8 __GXX_TYPEINFO_EQUALITY_INLINE but not
9 __GXX_MERGED_TYPEINFO_NAMES.
10 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
11 __GXX_MERGED_TYPEINFO_NAMES.
12 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
13 __GXX_TYPEINFO_EQUALITY_INLINE.
15 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
16 Zdenek Dvorak <dvorakz@suse.cz>
18 PR tree-optimization/29680
19 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
22 2006-11-12 Jason Merrill <jason@redhat.com>
23 Andrew Pinski <pinskia@physics.uc.edu>
26 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
28 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
30 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
31 * tree.c (build_vector): Handle non-_CST elements.
33 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
35 * genemit.c (gen_insn): Call gen_exp with a non-null used
36 when handling multiple insns.
37 (gen_expand): Likewise.
38 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
39 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
40 (movsi_const_16bit+1): Copy operands[1].
41 (call_pcrel): Copy the call_site pattern.
42 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
44 2006-11-12 Roger Sayle <roger@eyesopen.com>
46 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
47 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
48 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
49 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
51 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
53 Fix PR tree-optimization/29587
54 * tree-ssa-structalias.c (process_constraint): Don't
55 mark address taken due only to escaped vars constraint.
57 2006-11-12 Michael Matz <matz@suse.de>
58 Roger Sayle <roger@eyesopen.com>
60 PR rtl-optimization/29797
61 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
62 BITS_BIG_ENDIAN targets.
64 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
66 * builtins.c (fold_builtin_cosh): New.
67 (fold_builtin_1): Use it.
68 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
69 trunc to the list of "odd" functions. Also add llrint, lrint,
70 rint and nearbyint when flag_rounding_math is false.
72 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
74 * tree-flow.h (name_mappings_registered_p): Declare.
75 * tree-into-ssa.c (name_mappings_registered_p): New function.
76 * tree-cfg.c (tree_can_merge_blocks_p): Check
77 name_mappings_registered_p instead of need_ssa_update_p.
79 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
81 * tree-ssa-loop.c (tree_vectorize): Return the result of
83 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
85 * tree-vectorizer.h (vectorize_loops): Declaration removed.
86 * tree-flow.h (vectorize_loops): Declaration changed.
88 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
90 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
92 (issue_prefetch_ref): Move assignment to write_p out of loop.
93 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
94 SIMULTANEOUS_PREFETCHES into account.
95 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
96 * lambda-code.c (lcm): Renamed to ...
97 (least_common_multiple): ... and exported.
98 * tree-flow.h (least_common_multiple): Declare.
100 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
102 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
103 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
104 ud-chains. Handle AND_EXPR.
105 (record_estimate): Record whether the estimate is realistic
106 and whether it is derived from a loop exit.
107 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
108 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
110 (compute_estimated_nb_iterations): Take only realistic bounds into
111 account. Set estimate_state. Use double_ints.
112 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
113 and infer_loop_bounds_from_signedness. Do not consider basic blocks
114 that do not have to be always executed.
115 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
116 to determine whether to call infer_loop_bounds_from_undefined
117 and compute_estimated_nb_iterations.
118 (n_of_executions_at_most): Use double_ints.
119 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
120 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
121 * double-int.c (double_int_to_tree): Improve comment.
122 (double_int_fits_to_tree_p): New function.
123 * double-int.h (double_int_fits_to_tree_p): Declare.
124 * tree-data-ref.c: Include langhooks.h.
125 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
126 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
127 (analyze_array): Do not pass estimate_only argument to
128 analyze_array_indexes.
129 (get_number_of_iters_for_loop): Build tree from the stored double_int
131 (get_references_in_stmt, find_data_references_in_stmt): New functions.
132 (find_data_references_in_loop): Use find_data_references_in_stmt.
133 * tree-data-ref.h (struct data_ref_loc_d): New.
134 (get_references_in_stmt): Declare.
135 (estimate_iters_using_array): Declaration removed.
136 * cfgloop.h (struct nb_iter_bound): Change type of bound to
137 double_int. Improve comments. Add is_exit and realistic
139 (struct loop): Changed type of estimated_nb_iterations to double_int.
140 Added estimate_state field.
141 (record_estimate): Declaration removed.
143 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
145 * params.c (set_param_value): Initialize the "set" field.
146 * params.h (struct param_info): Add "set" field.
147 (PARAM_SET_P): New macro.
148 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
149 L1_CACHE_LINE_SIZE): New macros.
150 * toplev.c (DEFPARAM): Initialize the "set" field.
151 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
152 SIMULTANEOUS_PREFETCHES): Removed.
153 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
154 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
155 * config/sparc/sparc.c: Include params.h.
156 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
157 L1_CACHE_LINE_SIZE parameters.
158 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
160 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
162 * config/i386/i386.c: Include params.h.
163 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
164 (override_options): Set SIMULTANEOUS_PREFETCHES and
165 L1_CACHE_LINE_SIZE parameters.
166 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
167 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
168 L1_CACHE_LINE_SIZE parameters.
169 * config/ia64/ia64.c (ia64_optimization_options): Set
170 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
171 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
173 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
174 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
175 * doc/invoke.texi: Document new params.
177 2006-11-12 Roger Sayle <roger@eyesopen.com>
179 PR tree-optimization/13827
180 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
183 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
185 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
186 update_single_exit_for_duplicated_loops): New functions.
187 (duplicate_loop_to_header_edge): Use
188 update_single_exit_for_duplicated_loops.
189 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
190 functions only with ENABLE_CHECKING.
192 2006-11-12 Andreas Schwab <schwab@suse.de>
194 * except.c (sjlj_emit_function_enter): Remove unused variable.
196 2006-11-11 Roger Sayle <roger@eyesopen.com>
198 * fold-const.c (int_binop_types_match_p): New function.
199 (size_binop): Relax constraint that both arguments must both have
200 exactly the same sizetype type. Instead use int_binop_types_match_p.
201 (size_diffop): Likewise.
203 (make_range): Use build_int_cst instead of fold_convert.
204 (fold_cond_expr_with_comparison): Use build_int_cst to construct
205 integer constants of the correct type.
206 (fold_div_compare): Likewise.
207 (fold_single_bit_test): Likewise.
208 (fold_binary): Likewise.
209 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
210 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
212 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
215 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
216 non null value if the struct memory access is in the 0th
219 2006-11-12 Jie Zhang <jie.zhang@analog.com>
222 2006-11-11 Jie Zhang <jie.zhang@analog.com>
223 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
226 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
227 instead of builtin_define for bfin and BFIN.
229 2006-11-11 Jie Zhang <jie.zhang@analog.com>
231 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
234 2006-11-11 Jan Hubicka <jh@suse.cz>
236 * extended.texi (__builtin_expect): We no longer require second argument
238 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
239 * builtins.c (expand_builtin_expect): Simplify.
240 (expand_builtin_expect_jump): Kill.
241 * final.c (final_scan_insn): Do not skip the removed notes.
242 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
243 EXPECTED_VALUE): Remove.
244 * dojump.c (do_jump): Do not care about __builtin_expect.
245 * predict.c (expected_value_to_br_prob): Kill.
246 * function.c (expand_function_end): Do not expand
247 NOTE_INSN_REPEATED_LINE_NUMBER.
248 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
249 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
250 * cfgexpand.c (add_reg_br_prob_note): Export.
251 * cfgcleanup.c (rest_of_handle_jump2): Do not call
252 expected_value_to_br_prob.
253 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
254 * rtl.h (add_reg_br_prob_note): Declare.
256 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
258 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
260 2006-11-11 Jan Hubicka <jh@suse.cz>
262 * predict.c (predict_loops): Kill RTL variant.
264 2006-11-11 Jan Hubicka <jh@suse.cz>
266 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
267 * modulo-sched.c (find_line_note): Remove.
268 (loop_canon_p): Do not worry about line number notes.
269 (sms_schedule): Likewise.
270 * cse.c (cse_main): Likewise.
271 * regmove.c (fixup_match_1): Likewise
272 * function.c (emit_return_info_block): Likewise.
273 (expand_function_end): Likewise.
274 (thread_prologue_an_epilogue_insns): Likewise.
275 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
277 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
278 emit_note_copy_after): Kill.
279 (emit_note_copy): Do not worry about line numbers.
280 * jump.c (purge_line_number_notes): Kill.
281 (pass_purge_lineno_notes): Kill.
282 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
284 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
285 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
286 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
287 * tree-pass.h (pass_purge_lineno_notes): Kill.
288 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
289 rm_redundant_line_notes.
290 * sched-rgb.c (schedule_region): Don't rm_line_notes,
291 rm_redundant_line_notes.
292 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
293 * haifa-sched.c: Update comment about handling notes.
294 (unlink_line_notes): Kill.
295 (rm_line_notes): Kill.
296 (save_line_notes): Simplify.
297 (rm_redundant_line_notes): Kill.
299 2006-11-11 Richard Guenther <rguenther@suse.de>
301 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
302 Remove unused tree codes.
303 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
304 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
305 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
306 * tree.c (stabilize_reference): Likewise.
307 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
308 fold_unary): Likewise.
309 * tree-gimple.c (is_gimple_cast): Likewise.
310 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
311 * expr.c (expand_expr_real_1): Likewise.
312 * tree-eh.c (tree_could_trap_p): Likewise.
313 * gimplify.c (gimplify_expr): Likewise.
314 * tree-inline.c (estimate_num_insns_1): Likewise.
315 * tree-cfg.c (verify_expr): Likewise.
317 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
319 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
320 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
321 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
323 2006-11-11 Richard Sandiford <richard@codesourcery.com>
326 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
327 constraints accept neither registers or memories.
329 2006-11-11 Jie Zhang <jie.zhang@analog.com>
331 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
332 (NO_PROFILE_COUNTERS): Define as 1.
334 2006-11-10 Roger Sayle <roger@eyesopen.com>
336 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
337 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
339 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
341 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
343 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
345 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
346 (fold_builtin_hypot): Likewise.
347 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
349 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
351 2006-11-10 Roger Sayle <roger@eyesopen.com>
353 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
354 when attempting to build INTEGER_CSTs of non-integral types.
355 * expmed.c (make_tree): Use the correct type, i.e. the inner
356 type, when constructing the individual elements of a CONST_VECTOR.
358 2006-11-10 Jan Hubicka <jh@suse.cz>
360 * cse.c (cse_process_notes): Copy the propagated value.
361 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
363 * gcse.c (try_replace_reg): Copy the replacement.
364 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
365 (assign_386_stack_local): Always return copied memory expression
366 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
369 2006-11-10 Jan Hubicka <jh@suse.cz>
371 * final.c (final): Walk from first instruction.
372 * cfglayout.c (insn_locators_initialize): Remove line number notes.
374 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
377 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
379 (umulv8hi3_highpart): Ditto.
380 (vec_widen_smult_hi_v8hi): New expander.
381 (vec_widen_smult_lo_v8hi): Ditto.
383 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
386 * builtins.c (do_mpfr_arg3): New.
387 (fold_builtin_1): Handle builtins fma, fmin and fmax.
389 2006-11-09 Eric Christopher <echristo@apple.com>
394 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
395 * config.gcc (powerpc64-*-darwin*): New target.
396 * config.host: Ditto.
397 * config/rs6000/darwin64.h: New file.
398 * config/rs6000/x-darwin64: Ditto.
399 * config/rs6000/host-ppc64-darwin.c: Ditto.
401 2006-11-09 Steve Ellcey <sje@cup.hp.com>
403 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
404 routines for integer division.
406 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
408 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
410 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
413 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
415 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
417 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
418 simplify_subreg with BLKmode outer mode.
420 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
422 * doc/invoke.texi: Minor formatting fixes in option lists.
424 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
426 PR tree-optimization/29738
427 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
428 (ccp_lattice_t): Remove UNKNOWN_VAL.
429 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
430 Do not handle UNKNOWN_VAL.
431 (get_default_value): Set initial value of virtual operands to
433 (get_value): Always use get_default_value on uninitialized
435 (set_value_varying, surely_varying_stmt_p): New functions.
436 (set_lattice_value): Do not pass argument to get_value.
437 Do not handle UNKNOWN_VAL.
438 (likely_value): Follow the semantics described in the comment.
439 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
440 phi nodes DONT_SIMULATE_AGAIN.
441 (ccp_fold): Do not pass argument to get_value.
442 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
445 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
447 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
448 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
450 2006-11-08 Roger Sayle <roger@eyesopen.com>
452 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
453 test for inclusion rather than as a test for exclusion.
454 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
455 the condition after calling fold_binary.
456 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
457 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
458 * builtins.c (fold_builtin_isascii): Likewise.
459 (fold_builtin_isdigit): Likewise.
461 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
463 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
464 * configure: Regenerate.
466 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
468 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
469 enum argument instead of bool.
470 (vect_analyze_operations): Call vectorizable_type_promotion.
471 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
472 stmt_vec_info_type value.
473 (supportable_widening_operation, vectorizable_type_promotion): New
474 function declarations.
475 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
476 (vectorizable_type_promotion): New function.
477 (vect_transform_stmt): Call vectorizable_type_promotion.
478 * tree-vect-analyze.c (supportable_widening_operation): New function.
479 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
481 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
484 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
485 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
486 * tree-inline.c (estimate_num_insns_1): Add cases for above new
488 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
489 * expr.c (expand_expr_real_1): Likewise.
490 * optabs.c (optab_for_tree_code): Likewise.
491 (init_optabs): Initialize new optabs.
492 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
493 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
494 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
495 vec_unpacku_lo_optab): Initialize new optabs.
496 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
497 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
498 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
500 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
501 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
502 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
503 (vec_unpacku_lo_optab): New optabs.
504 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
505 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
506 (vec_widen_smult_hi, vec_widen_smult_lo): New.
507 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
508 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
509 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
511 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
512 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
513 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
514 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
515 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
516 implement the unsigned unpacking patterns.
517 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
518 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
519 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
520 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
521 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
522 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
523 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
524 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
525 multiplication patterns.
527 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
528 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
529 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
530 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
531 (rs6000_builtin_mul_widen_odd): New.
532 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
533 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
534 * tree-vectorizer.h (enum vect_relevant): New enum type.
535 (_stmt_vec_info): Field relevant chaned from bool to enum
537 (STMT_VINFO_RELEVANT_P): Updated.
538 (STMT_VINFO_RELEVANT): New.
539 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
540 instead of STMT_VINFO_RELEVANT_P.
541 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
542 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
543 and boolean variable with enum vect_relevant.
544 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
545 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
546 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
548 2006-11-08 Richard Henderson <rth@redhat.com>
550 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
551 vec_widen_umult_lo_v8hi): New.
552 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
553 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
555 * config/i386/i386.c (ix86_expand_sse_unpack): New.
556 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
557 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
558 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
559 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
560 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
561 vec_unpacks_lo_v4si): New.
563 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
565 * tree-vect-transform.c (vectorizable_type_demotion): New function.
566 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
567 (vect_analyze_operations): Call vectorizable_type_demotion.
568 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
569 stmt_vec_info_type value.
570 (vectorizable_type_demotion): New function declaration.
571 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
574 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
575 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
577 * tree-iniline.c (estimate_num_insns_1): Likewise.
578 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
579 * optabs.c (optab_for_tree_code): Likewise.
581 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
582 compared against the predicate of the result is not 'mode' (the input
583 to the function) but a mode with half the size of 'mode'.
584 (init_optab): Initialize new optabs.
585 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
587 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
589 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
590 (vec_pack_usat_optab): Initialize new optabs.
591 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
592 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
594 2006-11-08 Richard Henderson <rth@redehat.com>
596 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
597 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
598 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
599 (vec_interleave_highv4si, vec_interleave_lowv4si):
600 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
602 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
604 * tree-vect-transform.c (vectorizable_reduction): Support multiple
606 (vect_transform_stmt): Removed redundant code.
608 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
610 * tree-vect-transform.c (vectorizable_operation): Support multiple
613 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
615 * tree-vect-transform.c (vect_align_data_ref): Removed.
616 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
617 Updated function documentation. Return the increment stmt in ptr_incr.
618 (bump_vector_ptr): New function.
619 (vect_get_vec_def_for_stmt_copy): New function.
620 (vect_finish_stmt_generation): Create a stmt_info to newly created
622 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
624 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
625 VF is greater than the number of elements that can fit in one vector
627 (vectorizable_operation, vectorizable_condition): Likewise.
628 (vectorizable_store, vectorizable_load): Support the case that the VF
629 is greater than the number of elements that can fit in one vector word.
630 (vect_transform_loop): Don't fail in case of multiple data-types.
631 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
632 in case of multiple data-types; the smallest type determines the VF.
633 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
634 if they are of different sizes.
635 (vect_update_misalignment_for_peel): Compare misalignments in terms of
636 number of elements rather than number of bytes.
637 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
638 (vect_can_advance_ivs_p): Fix a dump printout
640 2006-11-07 Eric Christopher <echristo@apple.com>
642 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
644 * libgcc2.h: Remove transformation of bswap routines.
645 * config/i386/i386.md (bswapsi2): New.
648 2006-11-07 Jakub Jelinek <jakub@redhat.com>
650 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
651 (handle_gnu_inline_attribute): New function.
652 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
653 (merge_decls, start_decl, start_function): Likewise.
654 * doc/extend.texi: Document gnu_inline attribute.
656 2006-11-07 Steve Ellcey <sje@cup.hp.com>
659 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
660 _fixunstfdi, and _floatditf
662 2006-11-06 Anatoly Sokolov <aesok@post.ru>
664 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
666 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
667 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
668 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
669 which start in an odd register.
671 2006-11-07 Richard Sandiford <richard@codesourcery.com>
673 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
675 2006-11-07 Josh Conner <jconner@apple.com>
677 * doc/invoke.texi (fstrict-aliasing): Move implementation
679 * doc/tree-ssa.texi (Alias analysis): ...here.
681 2006-11-07 Richard Guenther <rguenther@suse.de>
683 PR tree-optimization/29610
684 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
685 of tree_purge_dead_eh_edges as it may free dominators.
687 * g++.dg/other/pr29610.C: New testcase.
689 2006-11-07 David Ung <davidu@mips.com>
691 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
692 costs when optimizing for size.
693 (override_options): Use mips_rtx_cost_optimize_size table for cost
696 2006-11-07 Jie Zhang <jie.zhang@analog.com>
698 * gcc.c (process_command): Treat -b as normal switch if its argument
701 2006-11-07 David Ung <davidu@mips.com>
703 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
706 2006-11-06 Eric Christopher <echristo@apple.com>
708 * config.gcc: Add x86_64-darwin host support.
709 * config.host: Ditto.
710 * config/i386/darwin64.h: New file.
711 * config/i386/t-darwin64: Ditto.
713 2006-11-06 Janis Johnson <janis187@us.ibm.com>
715 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
716 and output-exists-not.
718 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
721 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
722 checking for overflow.
724 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
726 * configure.ac: Fixed typo in case statement: :: changed to ;;
728 2006-11-06 Bob Wilson <bob.wilson@acm.org>
730 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
731 count_leading_zeros, and count_trailing_zeros.
732 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
733 (TARGET_FOLD_BUILTIN): Define.
734 (TARGET_EXPAND_BUILTIN): Define.
735 (xtensa_init_builtins): New.
736 (xtensa_fold_builtin): New.
737 (xtensa_expand_builtin): New.
738 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
739 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
740 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
741 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
742 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
743 (any_extend): New code macro.
744 (u, su): New code attributes.
745 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
746 (nsau): Remove; replaced by clzsi2.
747 (ffssi2): Use clzsi2.
748 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
749 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
750 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
751 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
752 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
754 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
756 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
758 * config/arm/t-strongarm-elf: Likewise.
759 * config/arm/t-pe: Likewise.
760 * config/arm/t-arm-elf: Likewise.
761 * config/arm/t-xscale-elf: Likewise.
762 * config/arm/t-arm-coff: Likewise.
763 * config/arm/t-xscale-coff: Likewise.
764 * config/arm/t-wince-pe: Likewise.
766 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
768 * config/sh/lib1funcs-4-300.asm: Guard entire file with
771 2006-11-05 Jakub Jelinek <jakub@redhat.com>
774 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
777 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
780 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
781 as a valid 80387 constant.
782 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
783 * config/i386/i386.md (unnamed splitter): Split the load of
784 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
787 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
789 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
790 from the soft-frame, argument and virtual registers.
792 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
794 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
795 patterns for standard 80387 constants.
797 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
798 Steven Bosscher <steven@gcc.gnu.org>
800 * fwprop.c: New file.
801 * Makefile.in: Add fwprop.o.
802 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
803 * passes.c (init_optimization_passes): Schedule forward propagation.
804 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
806 * timevar.def (TV_FWPROP): New.
807 * common.opt (-fforward-propagate): New.
808 * opts.c (decode_options): Enable forward propagation at -O2.
809 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
810 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
811 canon_for_address, table_size): Remove.
812 (new_basic_block, insert, remove_from_table): Remove references to
814 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
815 simplification loop more straightforward by not calling fold_rtx
817 (equiv_constant): Move here a small part of fold_rtx_subreg,
818 do not call fold_rtx. Call avoid_constant_pool_reference
820 * recog.h (canonicalize_change_group): New.
822 * doc/invoke.texi (Optimization Options): Document fwprop.
823 * doc/passes.texi (RTL passes): Document fwprop.
825 2006-11-03 Geoffrey Keating <geoffk@apple.com>
827 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
828 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
829 (grokdeclarator): Likewise.
831 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
833 * tree-dump.c (dump_enable_all): Rename local variable
834 ir_type to avoid name conflicts.
835 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
836 instead of using ir_type().
837 * profile.c (tree_register_profile_hooks): Likewise.
838 * value-prof.c (tree_register_value_prof_hooks): Likewise.
839 * basic-block.h (struct edge_def): Likewise.
840 * config/arm/arm.c (legitimize_pic_address): Likewise.
841 * coretypes.h (ir_type): New enum of all intermediate languages
843 * cfghooks.c (ir_type): Rename to...
844 (current_ir_type): ...this. Distinguish between cfgrtl and
845 cfglayout mode when the current IR is RTL. Return enum ir_type.
846 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
848 2006-11-03 Paul Brook <paul@codesourcery.com>
850 * config/arm/arm.c (arm_file_start): New function.
851 (TARGET_ASM_FILE_START): Define.
852 (arm_default_cpu): New variable.
853 (arm_override_options): Set arm_default_cpu.
855 2006-11-03 David Ung <davidu@mips.com>
857 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
858 PROCESSOR_24KC and PROCESSOR_24KF.
859 * config/mips/mips.c (mips_cpu_info_table): Add processor names
860 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
861 (mips_rtx_cost_data): Add costs for the 24kc.
862 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
863 * config/mips/24k.md: Remove references to 24k and replace with
864 uses of 24kc/24kf in the appropriate reservations.
865 * doc/invoke.texi (MIPS Options): Updated.
867 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
869 * config/sh/crt1.asm: Fix #ifdef indent.
871 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
872 Merged from STMicroelectronics sources:
873 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
874 * config/sh/crt1.asm (vbr_600): Add missing #if.
875 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
876 * sh.opt (mfused-madd): New option.
877 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
878 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
879 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
880 Remove pointless handler at VBR+0.
881 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
882 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
883 fr7. Make sure the timer handler is called with the correct FPU
884 precision setting, according to the ABI.
885 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
886 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
887 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
888 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
889 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
890 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
891 zero as second operand.
892 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
893 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
894 Fixed some bugs related to negative values, in particular -0
895 and overflow at -0x80000000.
896 * config/sh/divcost-analysis: Added sh4-300 figures.
897 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
898 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
899 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
900 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
901 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
902 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
904 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
906 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
907 SH4-300 scheduling description & fixes to SH4-[12]00 description:
908 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
909 mac_mem, mem_mac, dfp_mul, fp_cmp.
910 (insn_class, dfp_comp, any_fp_comp): Update.
911 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
912 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
913 (muldf3_i): Likewise.
914 (movsi_i): Split rI08 alternative into two separate alternatives.
916 (movsi_ie, movsi_i_lowpart): Likewise.
917 (movqi_i): Split ri alternative into two separate alternatives.
919 * sh1.md (sh1_load_store, sh1_fp): Update.
920 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
921 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
922 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
923 (sh4a_fp_double_arith): Likewise.
924 * sh4-300.md: New file.
925 * sh.c (sh_handle_option): Handle m4-300* options.
926 (sh_adjust_cost): Fix latency of auto-increments.
927 Handle SH4-300 differently than other SH4s. Check for new insn types.
928 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
929 been set by an option.
930 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
931 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
932 (mbranch-cost=): Likewise.
933 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
935 * sh.md (mulsf3): Remove special expansion code.
936 (mulsf3_ie): Now a define_insn_and_split.
937 (macsf3): Allow for TARGET_SH4.
939 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
940 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
941 (expand_cbranchdi4): Likewise.
942 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
943 CONST_DOUBLE if the outer code is COMPARE.
944 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
945 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
946 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
947 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
948 Remove redundant fp_{zero,one}_operand checks.
949 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
950 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
951 (expand_cbranchdi4): Likewise.
952 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
953 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
955 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
957 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
960 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
962 * doc/invoke.texi: Fix mfp-trap-mode typo.
964 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
966 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
967 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
968 file_end_indicate_exec_stack.
969 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
971 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
972 for a non-executable stack.
973 * crti.asm: Likewise.
974 * crtn.asm: Likewise.
975 * libunwind.S: Likewise.
977 2006-11-02 Ben Elliston <bje@au.ibm.com>
979 * tree-ssa.c (warn_uninit): Use expand_location variables for
980 locus and declaration locus.
982 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
985 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
986 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
987 cmp{eq,gt,gtu}{si,di}_media.
988 (*cmpne0si_media): Remove.
989 (*movsicc_umin): Adjust gen_cmp*_media call.
990 (unordered): Change the mode of unordered and operands[1] to
992 (seq): Adjust gen_cmp*_media calls. Make the mode of
993 a temporary result of compare SImode if needed. If the mode
994 of operands[0] is DImode, extend the temporary result to DImode.
995 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
996 (sunorderd): Change the mode of match_operand and unorderd to
998 (cmpeq{sf,df}_media): Remove.
999 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
1000 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
1001 and compare operation to SImode.
1003 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
1005 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
1007 (sparc64-sun-solaris2*): Likewise.
1009 2006-11-02 Paul Brook <paul@codesourcery.com>
1011 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
1012 from priority argument. Use different section for non-default
1014 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
1016 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
1019 * except.c (switch_to_exception_section): Do not cache the section
1020 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1021 and flag_function_sections is set.
1023 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1026 * builtins.c (do_mpfr_sincos): New.
1027 (fold_builtin_1): Use it to fold builtin sincos.
1029 2006-11-01 Roger Sayle <roger@eyesopen.com>
1031 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
1032 it into -D_REENTRANT.
1034 2006-11-01 Roger Sayle <roger@eyesopen.com>
1036 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
1037 whether the assembler supports taking the difference of symbols in
1038 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
1039 * configure: Regenerate.
1040 * config.in: Regenerate.
1041 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
1042 the assembler doesn't support taking the difference of symbols in
1043 different sections, i.e. we're using the native solaris assembler.
1045 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
1046 Peter Bergner <bergner@vnet.ibm.com>
1048 * doc/invoke.texi: Add cpu_type power6x
1049 (RS/6000 and PowerPC Options): Add -mmfpgpr.
1050 * config.gcc: Add cpu_type power6x.
1051 * configure.ac: Add test for mf{t,f}gpr instructions.
1052 (HAVE_AS_MFPGPR): New.
1053 * config.in: Regenerate.
1054 * configure: Regenerate.
1055 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
1056 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
1057 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
1058 and mftgpr attributes.
1059 (define_attr "cpu"): Add power6.
1060 Change instruction sequences to use new attributes.
1061 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
1062 (fix_truncdfsi2_mfpgpr): New.
1063 (floatsidf_ppc64_mfpgpr): New.
1064 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
1065 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
1066 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
1067 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
1068 (fix_truncdfsi2): Use gpc_reg_operand constraint.
1069 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
1070 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
1071 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
1072 cntlz,exts and var_delayed_compare.
1073 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1074 _ARCH_PWR6X, if features enabled.
1075 * config/rs6000/rs6000.opt (mmfpgpr): New.
1076 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
1077 (cached_can_issue_more): New variable.
1078 (processor_costs): Add power6_cost.
1079 (rs6000_sched_init): New function.
1080 (is_dispatch_slot_restricted): Deleted.
1081 (set_to_load_agen): New function.
1082 (is_load_insn,is_store_insn): New functions.
1083 (adjacent_mem_locations): New function.
1084 (insn_must_be_first_in_group): New function.
1085 (insn_must_be_last_in_group): New function.
1086 (rs6000_sched_reorder): New function.
1087 (rs6000_sched_reorder2): New function.
1088 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
1089 TARGET_SCHED_REORDER2): Define.
1090 (processor_target_table): Use PROCESSOR_POWER6 for power6.
1091 Add power6x. Add MASK_MFPGPR for power6x.
1092 (POWERPC_MASKS): Add MASK_MFPGPR.
1093 (rs6000_override_options): Set rs6000_always_hint to false
1094 for power6. Set rs6000_align_branch_targets. Replace
1095 rs6000_sched_groups check with rs6000_align_branch_targets.
1096 Use PROCESSOR_POWER6.
1097 (last_scheduled_insn): New variable.
1098 (load_store_pendulum): New variable.
1099 (rs6000_variable_issue): Set last_scheduled_insn and
1100 cached_can_issue_more.
1101 (rs6000_adjust_cost): Add power6 cost adjustments.
1102 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
1103 with insn_must_be_first_in_group. Add power6 priority adjustments.
1104 (rs6000_issue_rate): Add CPU_POWER6.
1105 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
1106 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
1107 (TARGET_MFPGPR): New.
1108 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
1109 (ASM_CPU_SPEC): Add power6x.
1110 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
1112 * config/rs6000/power6.md: New file.
1114 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
1116 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1117 HOST_WIDE_INT_PRINT to print high and low parts. Use
1118 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
1119 printing a hexadecimal number prefix it with 0x.
1121 2006-11-01 Chris Johns <chris@contemporary.net.au>
1124 * Makefile.in (install-driver): Use exeext when installing
1125 $target-gcc-$version.
1127 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
1129 * c-common.c (flag_cpp0x): New.
1130 * c-common.h (flag_cpp0x): New.
1131 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
1132 supported, define __GXX_EXPERIMENTAL_CPP0X__.
1133 * c-opts.c (set_std_cxx0x): New.
1134 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
1135 * c.opt (std=c++0x): Document.
1136 (std=gnu++0x): Ditto.
1137 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
1138 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
1140 2006-11-01 Richard Guenther <rguenther@suse.de>
1142 * config/i386/i386.c (ix86_expand_rint): Fix issues with
1144 (ix86_expand_floorceildf_32): Likewise.
1145 (ix86_expand_floorceil): Likewise.
1146 (ix86_expand_trunc): Likewise.
1148 2006-10-31 Andrew Pinski <pinskia@gmail.com>
1150 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
1153 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
1155 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
1157 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
1159 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
1161 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
1162 * configure.ac (use_cxa_atexit): As a special case, don't test
1163 for libc definition of __cxa_atexit on mingw32
1164 * configure: Regenerate.
1165 * config.gcc (i[34567]86-pc-mingw32): Default to
1166 enable__cxa_atexit=yes.
1168 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1170 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
1172 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1175 * c-decl.c (start_struct): Don't create self-containing
1177 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1179 * config/rs6000/rs6000-protos.h
1180 (darwin_rs6000_special_round_type_align): New.
1181 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
1182 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
1184 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1186 * toplev.c (compile_file): Call final_write_globals
1187 even if there have been errors.
1189 2006-10-31 Eric Christopher <echristo@apple.com>
1190 Falk Hueffner <falk@debian.org>
1192 * doc/extend.texi (__builtin_bswap32): Document.
1193 (__builtin_bswap64): Ditto.
1194 * doc/libgcc.texi (bswapsi2): Document.
1196 * doc/rtl.texi (bswap): Document.
1197 * optabs.c (expand_unop): Don't widen a bswap.
1198 (init_optabs): Init bswap. Set libfuncs explicitly
1199 for bswapsi2 and bswapdi2.
1200 * optabs.h (OTI_bswap): New.
1201 (bswap_optab): Ditto.
1202 * genopinit.c (optabs): Handle bswap_optab.
1203 * tree.h (tree_index): Add TI_UINT32_TYPE and
1205 (uint32_type_node): New.
1206 (uint64_type_node): Ditto.
1207 * tree.c (build_common_tree_nodes_2): Initialize
1208 uint32_type_node and uint64_type_node.
1209 * builtins.c (expand_builtin_bswap): New.
1210 (expand_builtin): Call.
1211 (fold_builtin_bswap): New.
1212 (fold_builtin_1): Call.
1213 * fold-const.c (tree_expr_nonnegative_p): Return true
1215 * builtin-types.def (BT_UINT32): New.
1217 (BT_FN_UINT32_UINT32): Ditto.
1218 (BT_FN_UINT64_UINT64): Ditto.
1219 * builtins.def (BUILT_IN_BSWAP32): New.
1220 (BUILT_IN_BSWAP64): Ditto.
1221 * rtl.def (BSWAP): New.
1222 * genattrtab.c (check_attr_value): New.
1223 * libgcc2.c (__bswapSI2): New.
1224 (__bswapDI2): Ditto.
1225 * libgcc2.h (__bswapSI2): Declare.
1226 (__bswapDI2): Ditto.
1227 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
1228 * simplify-rtx.c (simplify_const_unary_operation): Return
1230 * libgcc-std.ver (__bwapsi2): Add.
1231 (__bswapdi2): Ditto.
1232 * reload1.c (eliminate_regs_1): Add bswap.
1233 (elimination_effects): Ditto.
1234 * config/i386/i386.h (x86_bswap): New.
1235 (TARGET_BSWAP): Use.
1236 * config/i386/i386.c (x86_bswap): Set.
1238 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1240 * coverage.c (coverage_checksum_string): Update comment.
1241 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
1242 of get_file_function_name.
1243 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
1244 of get_file_function_name_long.
1245 * tree.c (get_file_function_name): Rename from
1246 get_file_function_name_long; improve comment; handle 'I' and 'D'
1247 specially when the target has ctor/dtor support; remove special
1249 (get_file_function_name): Remove.
1250 * tree.h (get_file_function_name): Rename from
1251 get_file_function_name_long.
1252 (get_file_function_name): Remove prototype.
1254 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1256 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
1257 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1259 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
1260 Call dsymutil when compiling and linking one or more source files
1263 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1266 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
1268 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1270 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
1271 inline static functions in c99 mode.
1274 * doc/extend.texi (Inline): Update.
1275 * c-tree.h (struct language_function): Remove field 'extern_inline'.
1276 * c-decl.c (current_extern_inline): Delete.
1277 (pop_scope): Adjust test for an undefined nested function.
1278 Add warning about undeclared inline function.
1279 (diagnose_mismatched_decls): Update comments. Disallow overriding
1280 of inline functions in a translation unit in C99. Allow inline
1281 declarations in C99 at any time.
1282 (merge_decls): Boolize variables. Handle C99 'extern inline'
1284 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
1285 C99 inline semantics.
1286 (start_function): Don't clear current_extern_inline. Don't set
1288 (c_push_function_context): Don't push current_extern_inline.
1289 (c_pop_function_context): Don't restore current_extern_inline.
1292 * c-typeck.c (build_external_ref): Warn about static variables
1293 used in extern inline functions.
1294 * c-decl.c (start_decl): Warn about static variables declared
1295 in extern inline functions.
1297 2006-10-31 Roger Sayle <roger@eyesopen.com>
1300 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
1301 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
1302 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
1303 or y is an even integer.
1305 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
1308 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
1309 * gthr-posix95.h (__gthread_active_p): Likewise.
1311 2006-10-31 Richard Guenther <rguenther@suse.de>
1313 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
1314 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
1315 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
1316 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
1317 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
1318 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
1319 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
1320 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
1323 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
1325 * opts.c (decode_options): Disable CSE skip blocks.
1327 2006-10-30 Dirk Mueller <dmueller@suse.de>
1329 * c-common.h (strict_aliasing_warning): Fix whitespace.
1330 * c-decl (start_function): Move code for main decl warning ..
1331 * c-common.c (check_main_parameter_types): .. here.
1332 * c-common.h (check_main_parameter_types): Declare.
1334 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1337 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
1339 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
1341 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
1342 be a PARALLEL containing sets. Return false when out_pat is not
1345 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1347 * config/mips/mips.md (mul<mode>3): Split into...
1348 (mulsi3, muldi3): ...these separate patterns.
1350 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1352 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
1353 but with each set of options separated by spaces.
1355 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
1357 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
1358 dwarf_reg_size_table has been initialized.
1360 2006-10-30 Roger Sayle <roger@eyesopen.com>
1362 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
1363 * ddg.c (print_ddg_edge): Likewise.
1364 * dwarf2out.c (prune_unused_types_walk): Likewise.
1365 * ifcvt.c (noce_try_cmove_arith): Likewise.
1366 * langhooks.c (add_builtin_function): Likewise.
1367 * reg-stack.c (subst_stack_regs_pat): Likewise.
1368 * tree.c (expanded_location): Likewise.
1369 * tree-dump.c (dequeue_and_dump): Likewise.
1371 2006-10-30 David Daney <ddaney@avtrex.com>
1373 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
1375 2006-10-30 Jakub Jelinek <jakub@redhat.com>
1377 PR tree-optimization/29637
1378 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
1379 of the innertype is the innertype itself.
1381 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
1383 * dwarf2out.c (file_name_acquire): Correct typo.
1385 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
1387 * tree.h (tree_value_handle): Remove struct value_set declaration.
1388 Change value_set to bitmap_set.
1389 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
1390 * tree-vn.c (get_value_handle): Made inline and moved to
1392 * tree-flow-inline.h: (has_stmt_ann): New function.
1393 * tree-ssa-pre.c (expressions): New variable.
1394 (next_expression_id): Ditto.
1395 (alloc_expression_id): New function.
1396 (struct value_set): Remove.
1397 (get_expression_id): New function.
1398 (get_or_alloc_expression_id): Ditto.
1399 (expression_for_id): Ditto.
1400 (clear_expression_ids): Ditto.
1401 (FOR_EACH_EXPR_ID_IN_SET): New macro.
1402 (bb_value_sets): Renamed to bb_bitmap_sets.
1403 All value sets replaced with bitmap_sets.
1405 (BB_VISITED): New macro.
1406 (postorder): New variable.
1407 (add_to_value): Removed.
1408 (value_exists_in_set_bitmap): Ditto.
1409 (value_insert_into_set_bitmap): Ditto.
1412 (set_remove): Ditto.
1413 (set_contains_value): Ditto.
1414 (insert_into_set): Ditto.
1416 (find_leader): Ditto.
1417 (bitmap_set_subtract_from_value_set): Ditto.
1418 (value_insert_into_set): Ditto.
1419 (print_value_set): Ditto.
1420 (debug_value_set): Ditto.
1421 (constant_expr_p): New function.
1422 (bitmap_remove_from_set): Ditto.
1423 (bitmap_insert_into_set): Ditto.
1424 (bitmap_set_free): Ditto.
1425 (vh_compare): Ditto.
1426 (sorted_array_from_bitmap_set): Ditto.
1427 (bitmap_set_subtract): Ditto.
1428 (bitmap_set_equal): Ditto.
1429 (debug_bitmap_set): Ditto.
1430 (find_leader_in_sets): Ditto.
1431 (bitmap_set_replace_value): Modify for bitmapped sets.
1432 (phi_translate): Ditto.
1433 (phi_translate_set): Ditto.
1434 (bitmap_find_leader): Ditto.
1435 (valid_in_sets): Ditto.
1436 (union_contains_value): Ditto.
1438 (compute_antic_aux): Ditto. Mark changed blocks.
1439 (compute_antic): Ditto. Iterate in postorder and only over
1441 (compute_rvuse_and_antic_safe): Reuse postorder.
1442 (create_component_ref_by_pieces): Modify for bitmapped sets.
1443 (find_or_generate_expression): Ditto.
1444 (create_expression_by_pieces): Ditto.
1445 (insert_into_preds_of_block): Ditto.
1446 (changed_blocks): New variable.
1447 (do_regular_insertion): Broken out from insert_aux.
1448 (insert_aux): Modified for bitmapped sets.
1449 (find_existing_value_expr): New function.
1450 (create_value_expr_from): Use it.
1451 (insert_extra_phis): Removed.
1452 (print_bitmap_set): Renamed from bitmap_print_value_set.
1453 (compute_avail): Handle RETURN_EXPR.
1454 (init_pre): Modify for bitmapped sets.
1455 * tree-flow.h (has_stmt_ann): New function.
1457 2006-10-29 Roger Sayle <roger@eyesopen.com>
1459 * builtins.c (fold_builtin_floor): Check for the availability of
1460 the C99 trunc function before transforming floor into trunc.
1462 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1464 * builtins.c (fold_builtin_hypot): Rearrange recursive
1465 transformation before others, and also do ABS_EXPR. When
1466 necessary, check flag_unsafe_math_optimizations. When necessary,
1469 2006-10-29 Roger Sayle <roger@eyesopen.com>
1471 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
1472 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
1473 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
1474 Fold -X eq/ne -Y as X eq/ne Y.
1476 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1478 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
1479 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
1480 rather than GENERATE_MULT3_SI in the various define_peephole2s.
1481 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
1482 Use an inclusive test for "mult" rather than "mul".
1483 (rotr<mode>3): Depend on ISA_HAS_ROR.
1484 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
1486 (GENERATE_MULT3_DI): Delete.
1487 (ISA_HAS_64BIT_REGS): Use consistent formatting.
1488 (ISA_HAS_MUL3): New macro.
1489 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
1490 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
1491 (ISA_HAS_CLZ_CLO): Likewise.
1492 (ISA_HAS_DCLZ_DCLO): Delete.
1493 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
1494 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
1495 the VR4120 and VR4130.
1496 (ISA_HAS_MACCHI): Use consistent formatting.
1497 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
1498 (ISA_HAS_ROR): ...this new macro.
1499 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
1500 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
1501 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
1503 2006-10-29 Roger Sayle <roger@eyesopen.com>
1505 PR tree-optimization/15458
1506 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
1509 2006-10-29 Richard Guenther <rguenther@suse.de>
1511 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
1512 (ix86_expand_truncdf_32): Likewise.
1513 * config/i386/i386.c (ix86_expand_trunc): New function expanding
1514 trunc inline for SSE math and -fno-trapping-math and if not
1515 optimizing for size.
1516 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
1517 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
1518 for expanding btrunc inline for SSE math.
1520 2006-10-29 Joseph Myers <joseph@codesourcery.com>
1522 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
1523 Handle tuning for bi-arch i[34567]86-*-linux* like that for
1524 i[34567]86-*-solaris2.1[0-9]*.
1525 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
1526 Define conditionally depending on TARGET_64BIT_DEFAULT.
1527 (SPEC_32, SPEC_64): Define.
1528 (LINK_SPEC): Use them.
1529 * doc/install.texi (--enable-targets=all): Document for x86-linux.
1531 2006-10-29 Richard Guenther <rguenther@suse.de>
1533 * config/i386/i386-protos.h (ix86_expand_round): Declare.
1534 (ix86_expand_rounddf_32): Likewise.
1535 * config/i386/i386.c (ix86_expand_round): New function expanding
1536 round inline for SSE math and -fno-trapping-math and if not
1537 optimizing for size.
1538 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
1539 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
1540 round via ix86_expand_round.
1542 2006-10-29 Richard Guenther <rguenther@suse.de>
1544 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
1545 (ix86_expand_floorceildf_32): Likewise.
1546 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
1547 static helper function.
1548 (ix86_expand_floorceil): Expander for floor and ceil to SSE
1550 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
1551 * config/i386/i386.md (floordf2): Adjust to enable floor
1552 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
1553 -fno-trapping-math is enabled and if not optimizing for size.
1554 (floorsf2, ceildf2, ceilsf2): Likewise.
1555 * config/i386/sse.md (sse_maskcmpsf3): New insn.
1556 (sse2_maskcmpdf3): Likewise.
1558 2006-10-29 Richard Guenther <rguenther@suse.de>
1560 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
1561 rint in case -fno-trapping-math is enabled.
1562 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
1563 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
1564 (ix86_expand_sse_fabs): Likewise.
1565 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
1566 * config/i386/i386.md (rintdf2): Enable for SSE math if
1567 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
1568 (rintsf2): Likewise.
1570 2006-10-29 Richard Guenther <rguenther@suse.de>
1572 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
1573 to conversion optabs.
1574 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
1575 as conversion optab.
1576 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
1577 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
1578 (lfloor_optab, lceil_optab): Adjust defines.
1579 * builtins.c (expand_builtin_int_roundingfn): Adjust for
1580 lfloor and lceil optabs now being conversion optabs.
1581 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
1582 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
1583 New static helper function.
1584 (ix86_expand_lfloorceil): New function to expand lfloor and
1586 * config/i386/i386.md (lfloor<mode>2): Split into ...
1587 (lfloorxf<mode>2): ... x87 variant
1588 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
1589 using ix86_expand_lfloorceil.
1590 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
1592 * doc/md.texi (lfloorMN, lceilMN): Document.
1594 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1596 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
1597 -mno-shared assembler option on mips targets.
1598 * configure, config.in: Regenerate.
1599 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
1600 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
1601 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
1603 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1605 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
1606 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
1608 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
1610 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
1611 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
1614 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1617 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
1618 (fold_builtin_pow): Evaluate constant arguments at compile-time
1620 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
1621 (do_mpfr_ckconv): New helper function.
1622 (do_mpfr_arg1): Use do_mpfr_ckconv.
1623 (do_mpfr_arg2): New.
1625 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1628 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
1629 (-fdump-rtl-sched): Rename to ..
1630 (-fdump-rtl-sched1): here. Also fix file extension number.
1632 2006-10-28 Richard Guenther <rguenther@suse.de>
1634 * fold-const.c (maybe_canonicalize_comparison): Fix code
1637 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1639 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
1640 (NON_QI_REG_P): Use IN_RANGE.
1641 (REX_INT_REGNO_P): Use IN_RANGE.
1642 (FP_REGNO_P): Use IN_RANGE.
1643 (SSE_REGNO_P): Use IN_RANGE.
1644 (REX_SSE_REGNO_P): Use IN_RANGE.
1645 (MMX_REGNO_P): Use IN_RANGE.
1646 (STACK_REGNO_P): New macro.
1647 (STACK_REG_P): Use STACK_REGNO_P.
1648 (NON_STACK_REG_P): Use STACK_REGNO_P.
1649 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
1650 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
1651 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
1652 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
1653 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
1655 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
1657 * except.h (output_function_exception_table): Add 'const char*' param.
1658 * except.c (switch_to_exception_section): Add 'const char*' param.
1659 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1660 and flag_function_sections is set, use a function-specific section.
1661 (output_function_exception_table): Add 'const char*' param.
1662 Adjust call to switch_to_exception_section.
1663 * final.c (rest_of_handle_final): Adjust calls to
1664 output_function_exception_table.
1665 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
1666 * config.in: Regenerate.
1667 * configure: Likewise.
1669 2006-10-28 Richard Guenther <rguenther@suse.de>
1672 * fold-const.c (maybe_canonicalize_comparison_1): Helper
1673 for maybe_canonicalize_comparison.
1674 (maybe_canonicalize_comparison): New function for canonicalizing
1676 (fold_comparison): Call it to canonicalize comparisons with
1679 2006-10-28 Richard Guenther <rguenther@suse.de>
1682 * builtins.c (expand_builtin_int_roundingfn_2): Expand
1683 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
1684 (expand_builtin): Adjust likewise.
1685 * genopinit.c (optabs[]): Add lround optab.
1686 * optabs.c (init_optabs): Initialize lround_optab.
1687 * optabs.h (enum convert_optab_index): Add COI_lround.
1688 (lround_optab): Define.
1689 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
1690 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
1692 (ix86_expand_lround): New function.
1693 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
1695 * doc/md.texi (lroundMN2): Document.
1697 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1700 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
1701 argument to HOST_WIDE_INT. Update function prototype.
1702 (round_frame_size): Change return type to HOST_WIDE_INT. Change
1703 "size" argument to HOST_WIDE_INT. Update function prototype.
1705 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1707 * config/i386/i386.c (output_387_ffreep): Create output from a
1708 template string for !HAVE_AS_IX86_FFREEP.
1710 2006-10-27 Eric Christopher <echristo@apple.com>
1712 * config/darwin.c: Fix formatting and grammar.
1714 2006-10-27 Jan Hubicka <jh@suse.cz>
1716 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1717 to be thrown away soon when IGNORE is set.
1718 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1719 indicating when return value shall not be computed.
1720 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1722 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1724 * config/i386/i386.h (TARGET_GEODE):
1725 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1726 (TARGET_CPU_DEFAULT_geode): New macro.
1727 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1728 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1729 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1730 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1731 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1733 (TARGET_CPU_DEFAULT_NAMES): Add geode.
1734 (processor_type): Add PROCESSOR_GEODE.
1736 * config/i386/i386.md: Include geode.md.
1739 * config/i386/i386.c (geode_cost): New initialized global
1741 (m_GEODE, m_K6_GEODE): New macros.
1742 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1743 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1744 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1745 x86_schedule): Use m_K6_GEODE instead of m_K6.
1746 (x86_movx, x86_cmove): Set up m_GEODE.
1747 (x86_integer_DFmode_moves): Clear m_GEODE.
1748 (processor_target_table): Add entry for geode.
1749 (processor_alias_table): Ditto.
1751 * config/i386/geode.md: New file.
1753 * doc/invoke.texi: Add entry about geode processor.
1755 2006-10-27 Mike Stump <mrs@apple.com>
1757 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1758 __DYNAMIC__ from here back to ...
1759 * config/darwin.h (CPP_SPEC): ... here.
1761 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1762 Nathan Sidwell <nathan@codesourcery.com>
1764 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1765 when choosing the minimum heapsize.
1767 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1769 * gcc/unwind-dw2.h: Move cfa-related variables into
1770 struct frame_state_reg_info to ensure that the CFA is properly
1771 handled when executing DW_CFA_{remember,restore}_state.
1772 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1773 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1774 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1775 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1776 gcc/config/rs6000/linux-unwind.h,
1777 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1778 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1779 Modify to use new cfa_* fields.
1781 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1783 * config/s390/s390.c (s390_init_frame_layout): Check positive
1786 2006-10-26 Ben Elliston <bje@au.ibm.com>
1788 * gimplify.c (get_name): Remove extraneous break.
1789 (gimplify_omp_for): Initialise ret with GS_OK.
1791 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1793 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1794 Add unix98.o to link line.
1796 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1799 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1800 Calculate compile-time constants using MPFR.
1801 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1802 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1804 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1806 * config/xtensa/lib2funcs.S: Use C-style comments.
1808 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1810 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1811 (file_table_relative_p): Likewise.
1812 (dwarf2out_finish): Likewise.
1813 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1815 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1817 * tree-ssa-structalias.c (intra_create_variable_infos):
1818 Don't recreate nonlocal_all if it already exists.
1820 2006-10-25 Richard Guenther <rguenther@suse.de>
1823 * optabs.h (enum optab_index): Remove OTI_lrint.
1824 (enum convert_optab_index): Add COI_lrint.
1825 (lrint_optab): Adjust.
1826 (expand_sfix_optab): Declare.
1827 * optabs.c (expand_sfix_optab): New function.
1828 (init_optabs): Init lrint_optab as conversion optab.
1829 * genopinit.c (lrint_optab): Change to a conversion optab.
1830 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1831 expansion via conversion optab.
1832 * config/i386/i386.md (*fistdi2_1): Remove
1833 flag_unsafe_math_optimizations guard.
1834 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1835 fist<mode>2_with_temp): Likewise.
1836 (lrint<mode>2): Split into...
1837 (lrintxf<mode>2): ... x87 part
1838 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1839 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1840 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1841 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1842 * doc/md.texi (lrintMN2): Document.
1844 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1847 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1848 Use inc and dec instructions for TARGET_USE_INCDEC.
1849 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1850 ("sync_double_compare_and_swap<mode>"): Likewise.
1851 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1852 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1853 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1854 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1855 ("sync_old_add<mode>"): Likewise.
1856 ("sync_lock_test_and_set<mode>"): Likewise.
1857 ("sync_lock_test_and_set<mode>"): Likewise.
1858 ("sync_add<mode>"): Likewise.
1859 ("sync_sub<mode>"): Likewise.
1860 ("sync_ior<mode>"): Likewise.
1861 ("sync_and<mode>"): Likewise.
1862 ("sync_xor<mode>"): Likewise.
1864 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1866 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1867 (remainder_optab): Define corresponding macro.
1868 (drem_optab): Remove.
1869 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1870 drem_optab initialization.
1871 * genopinit.c (optabs): Implement remainder_optab using
1872 remainder?f3 patterns. Remove drem_optab.
1873 * builtins.c (expand_builtin_mathfn_2): Handle
1874 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1875 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1876 expand_builtin_mathfn_2.
1878 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1879 depend on flag_unsafe_math_optimizations.
1881 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1882 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1883 Do not depend on flag_unsafe_math_optimizations. Use
1884 truncxf?f expander instead of truncxf?f_i387_noop.
1886 ("fpremxf4", "fprem1xf4"): Do not depend on
1887 flag_unsafe_math_optimizations.
1888 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1889 flag_unsafe_math_optimizations. Use truncxf?f expander
1890 instead of truncxf?f_i387_noop.
1892 * doc/md.texi (fmod, remainder): Document standard named pattern.
1894 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1895 David Daney <ddaney@avtrex.com>
1898 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1900 2006-10-25 Ben Elliston <bje@au.ibm.com>
1902 * doc/extend.texi (Variable Attributes): Typo fix.
1904 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1906 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1907 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1908 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1909 (FRAME_POINTER_REGNUM): Update register number to 21.
1910 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1911 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1913 * config/i386/i386.c (regclass_map): Add fpcr entry.
1914 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1916 (print_reg): Assert REGNO (x) != FPCR_REG.
1918 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1919 (DIRFLAG_REG): Renumber.
1920 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1921 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1922 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1923 hardcoded SSE register numbers.
1925 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1926 hardcoded MMX register numbers.
1928 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1931 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1932 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1934 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1935 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1936 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1937 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1939 2006-10-24 Richard Guenther <rguenther@suse.de>
1942 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1943 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1944 for deciding optimizations in consistency with fold-const.c
1945 (fold_builtin_unordered_cmp): Likewise.
1947 2006-10-24 Richard Guenther <rguenther@suse.de>
1949 * builtins.c (fold_builtin_floor): Fold floor (x) where
1950 x is nonnegative to trunc (x).
1951 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1952 nonnegative to FIX_TRUNC_EXPR.
1954 2006-10-24 Richard Guenther <rguenther@suse.de>
1956 PR tree-optimization/29567
1957 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1958 for TRUTH_NOT_EXPR. Clarify comments.
1960 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1963 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1964 at compile-time using MPFR. Change parameter VALUE to FUNC,
1966 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1967 for overflow and underflow at all times and avoid folding in
1970 2006-10-24 Ben Elliston <bje@au.ibm.com>
1972 * reload1.c: Formatting fixes.
1974 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1976 PR tree-optimization/14784
1977 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1978 * tree-ssa-structalias.c (get_constraint_for,
1979 intra_create_variable_infos): Set is_heapvar.
1980 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1981 non-heapvar pointer variables specially.
1983 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1986 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1987 fold_builtin_tan): Fold all constant arguments. Take a "type"
1988 argument as necessary.
1989 (do_mpfr_arg1): New.
1990 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1992 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1994 * config/xtensa/lib1funcs.asm: Use C-style comments.
1996 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1998 * tree.c (local_define_builtin): Replace calls to
1999 lang_hooks.builtin_function with add_builtin_function.
2000 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
2002 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
2004 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
2005 common code to add_builtin_function.
2006 * langhooks.c (add_builtin_function): New function.
2007 (lhd_builtin_function): New function.
2008 * langhooks.h (struct lang_hooks): Change the signature of
2010 (add_builtin_function): New function.
2011 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
2012 calls to lang_hooks.builtin_function with add_builtin_function.
2013 * c-common.c (decl_builtin_1): Replace calls to
2014 lang_hooks.builtin_function with add_builtin_function.
2015 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
2016 lang_hooks.builtin_function with add_builtin_function.
2017 * config/frv/frv.c (def_builtin): Replace calls to
2018 lang_hooks.builtin_function with add_builtin_function.
2019 * config/s390/s390.c (s390_init_builtins): Replace calls to
2020 lang_hooks.builtin_function with add_builtin_function.
2021 * config/sparc/sparc.c (def_builtin): Replace calls to
2022 lang_hooks.builtin_function with add_builtin_function.
2023 * config/i386/i386.c (def_builtin): Replace calls to
2024 lang_hooks.builtin_function with add_builtin_function.
2025 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
2026 lang_hooks.builtin_function with add_builtin_function.
2027 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
2028 lang_hooks.builtin_function with add_builtin_function.
2029 * config/stormy16/stormy16.c (xstormy16_init_builtins):
2030 Replace calls to lang_hooks.builtin_function with
2031 add_builtin_function.
2032 * config/iq2000/iq2000.c (def_builtin):
2033 Replace calls to lang_hooks.builtin_function with
2034 add_builtin_function.
2035 * config/ia64/ia64.c (def_builtin): Replace calls to
2036 lang_hooks.builtin_function with add_builtin_function.
2037 * config/rs6000/rs6000.c (def_builtin): Replace calls to
2038 lang_hooks.builtin_function with add_builtin_function.
2039 (altivec_init_builtins): Replace calls to
2040 lang_hooks.builtin_function with add_builtin_function.
2041 * config/arm/arm.c (def_mbuiltin): Replace calls to
2042 lang_hooks.builtin_function with add_builtin_function.
2043 (arm_init_tls_builtins): Replace calls to
2044 lang_hooks.builtin_function with add_builtin_function.
2045 * config/mips/mips.c (mips_init_builtins): Replace calls to
2046 lang_hooks.builtin_function with add_builtin_function.
2047 * config/bfin/bfin.c (def_builtin): Replace calls to
2048 lang_hooks.builtin_function with add_builtin_function.
2049 * langhooks-def.h (lhd_builtin_function): New function.
2050 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
2052 2006-10-23 Jakub Jelinek <jakub@redhat.com>
2054 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
2055 BUILT_IN_STRNCAT_CHK.
2057 2006-10-23 Jan Hubicka <jh@suse.cz>
2059 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
2060 don't do conversion from memmove to memcpy here.
2061 (expand_builtin_bcopy, expand_builtin): Update call of
2062 expand_builtin_memmove.
2063 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
2065 2006-10-23 Paul Brook <paul@codesourcery.com>
2067 * stor-layout.c (start_record_layout): maximum_field_alignment
2068 overrides STRUCTURE_SIZE_BOUNDARY.
2070 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
2072 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
2073 nonlocal function symbols if flag_pic.
2075 2006-10-23 Richard Guenther <rguenther@suse.de>
2079 * builtins.c (fold_binary): Remove checks for flag_wrapv
2080 and flag_trapv where negate_expr_p covers these cases.
2082 2006-10-23 Richard Guenther <rguenther@suse.de>
2085 * fold-const.c (fold_plusminus_mult_expr): Check exact power
2086 of two on the absolute value.
2087 (fold_binary): Fold x * -C to -x * C if x is easily negatable
2088 and negating -C does not overflow.
2090 2006-10-23 Richard Guenther <rguenther@suse.de>
2093 * convert.c (convert_to_real): Fold (float)-x to -(float)x
2094 only if not flag_rounding_math.
2096 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2097 Kaz Kojima <kkojima@gcc.gnu.org>
2100 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
2101 SImode memory reference for the source of a movua.
2102 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
2103 (movua): Use an unspec instead of sign_extract. Expect the source
2104 to have mode BLKmode.
2105 (extv, insv): Use a BLKmode rather than SImode memory reference
2106 for the source of a movua.
2108 2006-10-22 Jeff Law <law@redhat.com>
2109 Richard Guenther <rguenther@suse.de>
2111 PR tree-optimization/15911
2112 * tree-vrp.c (extract_code_and_val_from_cond): New function.
2113 (register_edge_assert_for_1): Likewise.
2114 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
2115 (find_conditional_asserts): Adjust for new function signature.
2116 (find_assert_locations): Likewise.
2118 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2120 * config/i386/tmmintrin.h: Remove the duplicated content.
2122 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2124 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
2125 (x86_64-*-*): Likewise.
2127 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
2128 (override_options): Check SSSE3.
2129 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
2130 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
2131 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
2132 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
2133 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
2134 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
2135 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
2136 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
2137 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
2138 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
2139 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
2140 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
2141 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
2142 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
2143 IX86_BUILTIN_PABSD128.
2144 (bdesc_2arg): Add SSSE3.
2145 (bdesc_1arg): Likewise.
2146 (ix86_init_mmx_sse_builtins): Support SSSE3.
2147 (ix86_expand_builtin): Likewise.
2148 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
2150 * config/i386/i386.md (UNSPEC_PSHUFB): New.
2151 (UNSPEC_PSIGN): Likewise.
2152 (UNSPEC_PALIGNR): Likewise.
2153 Include mmx.md before sse.md.
2155 * config/i386/i386.opt: Add -mssse3.
2157 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
2158 (ssse3_phaddwv4hi3): Likewise.
2159 (ssse3_phadddv4si3): Likewise.
2160 (ssse3_phadddv2si3): Likewise.
2161 (ssse3_phaddswv8hi3): Likewise.
2162 (ssse3_phaddswv4hi3): Likewise.
2163 (ssse3_phsubwv8hi3): Likewise.
2164 (ssse3_phsubwv4hi3): Likewise.
2165 (ssse3_phsubdv4si3): Likewise.
2166 (ssse3_phsubdv2si3): Likewise.
2167 (ssse3_phsubswv8hi3): Likewise.
2168 (ssse3_phsubswv4hi3): Likewise.
2169 (ssse3_pmaddubswv8hi3): Likewise.
2170 (ssse3_pmaddubswv4hi3): Likewise.
2171 (ssse3_pmulhrswv8hi3): Likewise.
2172 (ssse3_pmulhrswv4hi3): Likewise.
2173 (ssse3_pshufbv16qi3): Likewise.
2174 (ssse3_pshufbv8qi3): Likewise.
2175 (ssse3_psign<mode>3): Likewise.
2176 (ssse3_psign<mode>3): Likewise.
2177 (ssse3_palignrti): Likewise.
2178 (ssse3_palignrdi): Likewise.
2179 (abs<mode>2): Likewise.
2180 (abs<mode>2): Likewise.
2182 * config/i386/tmmintrin.h: New file.
2184 * doc/extend.texi: Document SSSE3 built-in functions.
2186 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
2188 2006-10-22 Ira Rosen <irar@il.ibm.com>
2190 * tree-vect-transform.c (vectorizable_load): Use the type of the
2191 return value of the mask_for_load builtin to create realign_load
2194 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2196 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
2199 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
2201 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
2202 (UNSPEC_LDDQU): This.
2203 * config/i386/sse.md (sse3_lddqu): Updated.
2205 2006-10-21 Richard Guenther <rguenther@suse.de>
2207 * builtins.c (expand_builtin_int_roundingfn_2): New function.
2208 (expand_builtin): Use it to expand lrint instead of
2209 expand_builtin_mathfn.
2211 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2214 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
2215 flag_unsafe_math_optimizations is set.
2217 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2220 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
2221 patterns to use memory input operand in x87->mem->XMM
2222 reload sequences. Skip transformation for TARGET_K8.
2224 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2226 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
2227 force operand1 to register if both operands are memory operands.
2228 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
2229 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
2230 if both operands are memory operands.
2231 (truncdfsf2): Do not force operand1 to register if both operands
2232 are memory operands.
2234 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2236 * Makefile.in (LIBS): Add $(GMPLIBS).
2237 * doc/install.texi: Update GMP and MPFR requirements.
2238 * doc/sourcebuild.texi (need_gmp): Delete.
2240 2006-10-21 Richard Guenther <rguenther@suse.de>
2242 PR tree-optimization/3511
2243 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
2244 got new invariant arguments during PHI translation.
2246 2006-10-21 Richard Guenther <rguenther@suse.de>
2249 * fold-const.c (fold_comparison): Fold signed comparisons
2250 of the form X +- C1 CMP Y +- C2.
2252 2006-10-21 Richard Guenther <rguenther@suse.de>
2255 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
2256 if flag_unsafe_math_optimizations is specified. We have
2257 flag_finite_math_only for that.
2258 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
2259 or flag_unsafe_math_optimizations.
2261 2006-10-21 Richard Guenther <rguenther@suse.de>
2263 * builtins.c (fold_builtin_classify): Fix typo.
2265 2006-10-21 Richard Guenther <rguenther@suse.de>
2268 * simplify-rtx.c (simplify_const_relational_operation):
2269 Do not constant-fold ORDERED and UNORDERED for
2270 flag_unsafe_math_optimizations but only we do not need to
2271 honor NaNs for the given mode.
2273 2006-10-21 Richard Guenther <rguenther@suse.de>
2276 * config/i386/i386.c (classify_argument): Remove redundant
2277 walking of the BINFOs.
2278 (contains_128bit_aligned_vector_p): Likewise.
2280 2006-10-20 Mark Mitchell <mark@codesourcery.com>
2282 * BASE-VER: Set to 4.3.0.
2284 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
2286 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
2287 (tree_decl_with_vis): Remove artificial_pta_var flag.
2288 * tree-flow.h (referenced_var_check_and_insert): Expose.
2289 (nonlocal_all): New prototype.
2290 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
2291 (nonlocal_all): Make global.
2292 (nonlocal_lookup): Remove.
2293 (nonlocal_insert): Ditto.
2294 (create_nonlocal_var): Do not call nonlocal_insert.
2295 (get_nonlocal_id_for_type): Remove.
2296 (find_global_initializers): Mark new vars we find for renaming.
2297 (intra_create_variable_infos): Only create one nonlocal.
2298 (expand_nonlocal_solutions): Remove.
2299 (compute_points_to_sets): Don't call it.
2300 (ipa_pta_execute): Ditto.
2301 (init_alias_heapvars): Don't create nonlocal_for_type.
2302 (delete_alias_heapvars): Don't remove it.
2303 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
2306 2006-10-19 Brooks Moses <bmoses@stanford.edu>
2308 * doc/install.texi (Downloading GCC): Clarify mention of
2309 Fortran in the "full distribution" description.
2311 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
2313 Fix PR tree-optimization/28778
2314 Fix PR tree-optimization/29156
2315 Fix PR tree-optimization/29415
2316 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
2317 (tree_decl_with_vis): Add artificial_pta_var flag.
2318 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
2319 pushed into callers.
2320 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
2321 (nonlocal_all): Ditto.
2322 (struct variable_info): Add directly_dereferenced member.
2323 (var_escaped_vars): New variable.
2324 (escaped_vars_tree): Ditto.
2325 (escaped_vars_id): Ditto.
2326 (nonlocal_vars_id): Ditto.
2327 (new_var_info): Set directly_dereferenced.
2328 (graph_size): New variable
2329 (build_constraint_graph): Use graph_size.
2330 (solve_graph): Don't process constraints that cannot change the
2331 solution, don't try to propagate an empty solution to our
2333 (process_constraint): Set directly_dereferenced.
2334 (could_have_pointers): New function.
2335 (get_constraint_for_component_ref): Don't process STRING_CST.
2336 (nonlocal_lookup): New function.
2337 (nonlocal_insert): Ditto.
2338 (create_nonlocal_var): Ditto.
2339 (get_nonlocal_id_for_type): Ditto.
2340 (get_constraint_for): Allow results vector to be empty in the case
2341 of string constants.
2342 Handle results of calls properly.
2343 (update_alias_info): Update alias info stats on number and type of
2345 (find_func_aliases): Use could_have_pointers.
2346 (make_constraint_from_escaped): Renamed from
2347 make_constraint_to_anything, and changed to make constraints from
2349 (make_constraint_to_escaped): New function.
2350 (find_global_initializers): Ditto.
2351 (create_variable_info_for): Make constraint from escaped to any
2352 global variable, and from any global variable to the set of
2354 (intra_create_variable_infos): Deal with escaped instead of
2355 pointing to anything.
2356 (set_uids_in_ptset): Do type pruning on directly dereferenced
2358 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
2359 (init_base_vars): Fix comment, and initialize escaped_vars.
2360 (need_to_solve): Removed.
2361 (find_escape_constraints): New function.
2362 (expand_nonlocal_solutions): Ditto.
2363 (compute_points_to_sets): Call find_escape_constraints and
2364 expand_nonlocal_solutions.
2365 (delete_points_to_sets): Don't fall off the end of the graph.
2366 (init_alias_heapvars): Initialize nonlocal_for_type and
2368 (delete_alias_heapvars): Free nonlocal_for_type and null out
2371 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
2373 * fold-const.c (add_double): Rename to add_double_with_sign.
2374 Add 'unsigned_p' parameter and take it into account for the overflow.
2375 (mul_double): Rename to mul_double_with_sign.
2376 Add 'unsigned_p' parameter and take it into account for the overflow.
2377 (fold_div_compare): Call add_double_with_sign instead of add_double
2378 and mul_double_with_sign instead of mul_double, passing them the
2379 unsignedness of the type.
2380 * tree.h (add_double): Macroize.
2381 (add_double_with_sign): New prototype.
2382 (mul_double): Macroize.
2383 (mul_double_with_sign): New prototype.
2385 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
2387 * config/score/crti.asm: New file.
2388 * config/score/crtn.asm: New file.
2389 * config/score/elf.h: New file.
2390 * config/score/mac.md: New file.
2391 * config/score/misc.md: New file.
2392 * config/score/mul-div.S: New file.
2393 * config/score/predicates.md: New file.
2394 * config/score/score7.md: New file.
2395 * config/score/score.c: New file.
2396 * config/score/score-conv.h: New file.
2397 * config/score/score.h: New file.
2398 * config/score/score.md: New file.
2399 * config/score/score-mdaux.c: New file.
2400 * config/score/score-mdaux.h: New file.
2401 * config/score/score-modes.def: New file.
2402 * config/score/score.opt: New file.
2403 * config/score/score-protos.h: New file.
2404 * config/score/score-version.h: New file.
2405 * config/score/t-score-elf: New file.
2406 * config.gcc: Add score*-*-* configurations(Update before).
2407 * doc/invoke.texi (Score Options): New section.
2408 * doc/md.texi (Score family): New section to document constraints.
2410 2006-10-19 Nick Clifton <nickc@redhat.com>
2412 * config/arm/arm.c: Fix spelling typo.
2414 2006-10-18 Tom Tromey <tromey@redhat.com>
2416 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
2418 2006-10-18 Jan Hubicka <jh@suse.cz>
2421 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
2424 2006-10-18 Marcin Dalecki <martin@dalecki.de>
2426 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
2427 TSI_SAME_STMT, since that's the desired entity.
2429 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
2431 * config/s390/contraints.md: New file.
2432 * config/s390/s390-protos.h (s390_mem_constraint,
2433 s390_O_constraint_str, s390_N_constraint_str,
2434 s390_float_const_zero_p): Function prototypes added.
2435 * config/s390/s390.c (s390_extra_constraint_str,
2436 s390_const_double_ok_for_constraint_p,
2437 s390_const_ok_for_constraint_p): Functions removed.
2438 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
2439 s390_float_const_zero_p): New functions.
2440 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
2441 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
2442 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
2443 Macro definitions removed.
2444 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
2445 s390_extra_constraint_str): Functions removed.
2447 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
2448 Richard Sandiford <richard@codesourcery.com>
2451 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
2452 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
2454 2006-10-16 Geoffrey Keating <geoffk@apple.com>
2456 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
2457 (DWARF2_FRAME_REG_OUT): Likewise.
2458 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
2459 (DWARF2_FRAME_REG_OUT): Likewise.
2461 2006-10-17 Paul Brook <paul@codesourcery.com>
2463 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
2465 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2467 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
2468 Standardize on "GNU Fortran" as the official name of the Fortran
2471 2006-10-16 Mike Stump <mrs@apple.com>
2473 * doc/invoke.texi (Darwin Options): Document -mkernel.
2474 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
2476 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
2477 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
2478 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
2479 (OS_MISSING_ALTIVEC): Add.
2480 * config/i386/i386.c (override_options): Add
2481 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
2482 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
2483 -mkernel, -static or -mdynamic-no-pic is given.
2484 (C_COMMON_OVERRIDE_OPTIONS): Add.
2485 * config/darwin.opt (fapple-kext): Add.
2487 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
2488 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
2490 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
2491 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
2492 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
2493 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
2494 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
2495 (flag_mkernel): Add.
2496 (flag_apple_kext): Add.
2497 (TARGET_KEXTABI): Add.
2498 * config/darwin.c (darwin_handle_kext_attribute): Add.
2499 (DARWIN_VTABLE_P): Add.
2500 (darwin_binds_local_p): Add partial support for rebinding vtables
2502 (darwin_kextabi_p): Add.
2503 (darwin_override_options): Add.
2504 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
2505 (darwin_kextabi_p): Add.
2506 (darwin_override_options): Add.
2507 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
2508 __DYNAMIC__ and __STATIC__ here.
2510 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2512 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
2513 Added mention of "make pdf" target, and Texinfo requirements for
2516 2006-10-16 DJ Delorie <dj@redhat.com>
2518 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
2519 into the GOT in case we need a subreg of the address.
2521 2006-10-16 Richard Guenther <rguenther@suse.de>
2524 * doc/extend.texi (X86 Built-in Functions): Fix typos in
2525 SSE builtin documentation. Document SSE2 builtins.
2527 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2529 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
2530 symbol in the output file for non-shared links when -nostdlib or
2531 -nodefaultlibs isn't specified.
2533 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
2534 posix thread support.
2536 2006-10-15 Jan Hubicka <jh@suse.cz>
2539 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
2540 declared always_inline even when not inlining.
2542 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2543 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2544 Andrew Pinski <pinskia@gmail.com>
2547 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
2549 2006-10-15 Jan Hubicka <jh@suse.cz>
2550 Richard Guenther <rguenther@suse.de>
2553 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
2554 process_function_and_variable_attributes on all variables, including
2555 those discovered during cgraph construction phase.
2557 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
2559 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
2561 2006-10-14 Uros Bizjak <uros@kss-loka.si>
2563 * config/i386/athlon.md (athlon_fist): Add fisttp.
2565 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2566 Ian Lance Taylor <ian@airs.com>
2569 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
2570 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
2573 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
2575 * config/score/score.c, config/score/score.h: Fix comment
2578 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2581 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
2584 2006-10-13 Eric Christopher <echristo@apple.com>
2586 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2588 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2591 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2592 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2593 alignment supported by 32-bit ELF.
2595 2006-10-13 Eric Christopher <echristo@apple.com>
2597 * config/darwin.c (darwin_emit_unwind_label): Strip
2598 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
2600 2006-10-13 Richard Guenther <rguenther@suse.de>
2602 PR tree-optimization/29446
2603 * tree-vrp.c (fix_equivalence_set): Remove.
2604 (extract_range_from_assert): Do not call fix_equivalence_set.
2605 (debug_value_range): Print a newline.
2606 (compare_name_with_value): For equivalence sets with
2607 inconsistent value ranges conservatively bail out.
2608 (compare_names): Likewise.
2610 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2612 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
2613 and MPFR for gfortran.
2615 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2617 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2618 alignment supported by 32-bit ELF.
2620 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
2624 * c-typeck.c (digest_init): Always allow initializing vectors
2625 that have static storage duration with compound literals.
2626 * tree.c (build_type_attribute_qual_variant): New, based on
2627 build_type_attribute_variant.
2628 (build_type_attribute_variant): Rewrite using the former.
2629 (make_vector_type): Use build_type_attribute_qual_variant to build
2630 type variants. Use type_hash_canon on the others.
2632 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
2633 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
2635 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
2637 2006-10-12 Jan Hubicka <jh@suse.cz>
2640 * c-decl.c (c_make_fname_decl): Do not segfault in case where
2641 current_function_decl is set but current_function_scope is not.
2643 2006-10-12 Jie Zhang <jie.zhang@analog.com>
2645 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
2646 emit_insn to emit eh_return_internal instruction.
2647 (eh_return_internal): Explicitly set pc.
2649 2006-10-11 Richard Guenther <rguenther@suse.de>
2651 PR tree-optimization/28230
2652 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
2653 to the correct place.
2655 2006-10-11 Richard Guenther <rguenther@suse.de>
2658 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
2661 2006-10-10 Brooks Moses <bmoses@stanford.edu>
2663 * configure.ac: Added pdf to "Make-hooks"
2664 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
2665 targets and *.pdf file patterns in cleanup targets.
2666 * configure: Regenerated.
2668 2006-10-10 Anatoly Sokolov <aesok@post.ru>
2670 * config/avr/predicates.md: New file.
2671 * config/avr/avr.md: Include it.
2672 (REG_SP): New constant.
2673 (peepholes): Use predicates.
2674 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
2675 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
2676 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
2678 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
2680 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
2683 2006-10-10 Jakub Jelinek <jakub@redhat.com>
2686 * builtins.c (var_decl_component_p): New function.
2687 (fold_builtin_memset, fold_builtin_memory_op): Restrict
2688 single entry optimization to variables and components thereof.
2690 2006-10-10 Richard Guenther <rguenther@suse.de>
2692 PR rtl-optimization/29323
2693 * except.c (set_nothrow_function_flags): For functions
2694 that do not bind local bail out early.
2696 2006-10-10 Ben Elliston <bje@au.ibm.com>
2698 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
2701 2006-10-09 Richard Henderson <rth@redhat.com>
2703 Revert emutls patch.
2705 2006-10-09 Richard Guenther <rguenther@suse.de>
2708 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
2711 2006-10-09 Steve Ellcey <sje@cup.hp.com>
2714 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2715 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2716 * configure: Regenerate.
2717 * config.in: Regenerate.
2719 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2721 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2723 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2725 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2726 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2727 Remove stray newline.
2729 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2731 * config/mips/mips.c (mips_classify_symbol): Do not return
2732 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2733 (mips_in_small_data_p): Tweak comments.
2735 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2737 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2739 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
2741 * gimplify.c, sched-int.h: Fix comment typos.
2743 * sched-int.h: Fix comment typos.
2745 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2747 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2749 * sched-ebb.c (begin_schedule_ready): Use them.
2750 * haifa-sched.c (schedule_insn, move_insn, try_ready,
2751 add_to_speculative_block, create_check_block_twin, speculate_insn,
2752 fix_jump_move, move_block_after_check): Ditto.
2753 * sched-rgn.c (new_ready): Ditto.
2755 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2757 PR rtl-optimization/29128
2758 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2759 * sched-ebb.c (advance_target_bb): Use it to fix condition to
2760 allow interblock movement of speculation checks.
2762 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2765 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2766 casted to integer type.
2767 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2768 if they are significantly more expensive than [reg + index] ones.
2770 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2772 PR tree-optimization/29330
2773 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2774 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2775 on newly allocated ddrs.
2776 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2777 to VEC (loop_p, heap) pointer.
2778 (compute_data_dependences_for_loop): Adjust caller.
2779 (free_dependence_relations): Free DDR_LOOP_NEST.
2781 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2782 free DEPENDENCE_RELATIONS and DATAREFS.
2785 * builtins.c (expand_builtin_sync_operation,
2786 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2787 Use convert_to_mode to handle promoted arguments.
2789 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2791 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2793 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2795 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2797 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2799 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2800 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2801 Use <modeconstraint> instead of "r" as operand 1 constraint.
2803 2006-10-06 Olivier Hainque <hainque@adacore.com>
2805 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2806 Don't recurse on the pointed-to type.
2807 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2808 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2809 types with components of variable size.
2811 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2813 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2815 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2817 PR tree-optimization/29290
2818 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2822 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2823 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2826 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2827 the number of vector elements fill the rest with zeros.
2829 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2831 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2832 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2835 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2837 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2838 unnamed pattern into subsi3. Use correct constraints/predicates.
2839 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2840 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2842 2006-10-05 Ira Rosen <irar@il.ibm.com>
2844 * doc/loop.texi: Add data references analysis description.
2846 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2848 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2850 2006-10-04 Richard Henderson <rth@redhat.com>
2851 Jakub Jelinek <jakub@redhat.com>
2853 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2854 * builtin-types.def (BT_WORD): Make unsigned.
2855 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2856 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2857 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2858 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2859 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2860 * cgraph.c (decide_is_variable_needed): Look at force_output.
2861 Recurse for emulated tls.
2862 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2863 checks redundant with decide_is_variable_needed.
2864 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2865 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2867 * expr.c (emutls_var_address): New.
2868 (expand_expr_real_1): Expand emulated tls.
2869 (expand_expr_addr_expr_1): Likewise.
2870 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2871 * output.h (emutls_finish): Declare.
2872 * toplev.c (compile_file): Call it.
2873 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2874 address before wrapping in CONST.
2875 * varasm.c (emutls_htab, emutls_object_type): New.
2876 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2877 (get_emutls_object_name, get_emutls_object_type): New.
2878 (get_emutls_init_templ_addr, emutls_decl): New.
2879 (emutls_common_1, emutls_finish): New.
2880 (assemble_variable): When emulating tls, swap decls; generate
2881 constructor for the emutls objects.
2882 (do_assemble_alias): When emulating tls, swap decl and target name.
2883 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2885 * emutls.c: New file.
2886 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2887 tls_object for real tls.
2889 2006-10-04 Zack Weinberg <zackw@panix.com>
2891 Fix bug in constraint-check generator, reported by Rask Ingemann
2893 * genpreds.c (add_constraint): Don't remove anything from the
2895 (write_tm_constrs_h): Detect whether "op" argument is used, and
2896 mark it ARG_UNUSED if it isn't.
2897 (write_insn_const_int_ok_for_constraint): Skip the part of the
2898 expression that would test whether "op" (which is not available
2899 here) is a CONST_INT.
2901 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2904 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2906 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2908 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2909 current Leopard versions.
2910 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2912 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2914 * doc/install.texi: Fix typos.
2916 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2918 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2919 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2920 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2922 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2924 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2925 arg to be struct mach_header_64* instead.
2927 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2930 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2931 side effects after the outer expression's post side effects.
2933 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2935 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2936 comments to reflect actual behavior and relationship between
2937 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2939 * doc/c-tree.texi (Working with declarations): Fix documentation
2940 of FIELD_DECL likewise.
2942 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2945 * doc/extend.texi: Add used variable attribute description.
2947 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2950 * c.opt (Woverride-init): New.
2951 * c-opts.c (c_common_post_options): Default warn_override_init to
2953 * c-typeck.c (add_pending_init, output_init_element): Warn for
2954 overriding initializers without side effects.
2955 * doc/invoke.texi (-Woverride-init): Document.
2958 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2960 PR rtl-optimization/28096
2961 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2962 assignment has already been used as a destination earlier in the block.
2964 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2966 * builtins.c (expand_builtin_setjmp): Delete.
2967 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2968 <BUILT_IN_SETJMP_SETUP>: New case.
2969 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2970 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2971 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2972 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2973 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2974 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2975 (lower_function_body): Initialize it to false. If it is set to true
2976 at the end of the processing, emit the setjmp dispatcher.
2977 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2978 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2979 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2980 on the rhs of the assignment.
2981 (lower_builtin_setjmp): New function.
2982 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2983 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2984 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2985 to detect calls that can go to non-local labels. Use specific
2986 helper to create the abnormal edges associated with them.
2987 <MODIFY_EXPR>: Likewise.
2988 (make_abnormal_goto_edges): New function extracted from...
2989 (make_goto_expr_edges): ...here. Call it for computed gotos.
2990 (simple_goto_p): Minor tweak.
2991 (tree_can_make_abnormal_goto): New predicate.
2992 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2993 (tree_purge_dead_abnormal_call_edges): New function.
2994 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2995 (tree_purge_dead_abnormal_call_edges): Likewise.
2996 (make_abnormal_goto_edges): Likewise.
2997 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2998 Purge all dead abnormal edges if the call was in the last statement.
2999 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
3000 (execute_fixup_cfg): If there are non-local labels in the function,
3001 scan the basic blocks and split them at calls that can go to non-local
3002 labels or add missing abnormal call edges. Write down the CFG in the
3004 (pass_fixup_cfg): Remove TODO_dump_func flag.
3005 * unwind-sjlj.c: Poison setjmp.
3006 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
3007 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
3008 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
3009 (DONT_USE_BUILTIN_SETJMP): Document it.
3011 2006-09-28 Geoffrey Keating <geoffk@apple.com>
3014 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
3015 to 1 when __ppc64__ is defined.
3016 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
3018 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
3020 2006-09-28 Steve Ellcey <sje@cup.hp.com>
3022 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
3023 * config/ia64/unwind-hpux.c: Delete.
3025 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
3027 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
3028 on the element before gimplifying it, instead of punting if it is of
3031 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
3033 * doc/loop.texi: New file.
3034 * doc/gccint.texi: Reference loop.texi.
3035 * Makefile.in (loop.texi): Add.
3037 2006-09-27 Geoffrey Keating <geoffk@apple.com>
3039 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
3041 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3042 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3044 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
3046 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
3048 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
3050 * doc/install.texi: Document required versions of GMP and MPFR.
3052 2006-09-27 Paul Brook <paul@codesourcery.com>
3055 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
3057 2006-09-27 Richard Sandiford <richard@codesourcery.com>
3059 * reload1.c (alter_reg): Require the alignment of the stack slot to
3060 be at least reg_max_ref_width bytes.
3061 (scan_paradoxical_subregs): Record the largest width in
3064 2006-09-26 Jakub Jelinek <jakub@redhat.com>
3068 * tree-nested.c (struct nesting_info): Added static_chain_added.
3069 (convert_call_expr): Set static_chain_added when adding static
3070 chain. Handle OMP_PARALLEL and OMP_SECTION.
3072 2006-09-25 Matthias Klose <doko@debian.org>
3074 * doc/invoke.texi: Add missing full stop.
3076 2006-09-25 Richard Henderson <rth@redhat.com>
3078 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
3079 before cgraph_function_flags_ready.
3081 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
3082 Adam Nemet <anemet@caviumnetworks.com>
3084 * tree-ssa-loop-ivopts.c (aff_combination_convert,
3085 determine_common_wider_type): New functions.
3086 (get_computation_aff): Use them to simplify arithmetic between
3087 UBASE and CBASE if they are shortened from the same type.
3089 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
3092 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
3093 -2147483647 - 1 instead of 0x80000000.
3095 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
3097 * flags.h (HONOR_NANS): Fix typo in comment.
3099 2006-09-23 Uros Bizjak <uros@kss-loka.si>
3101 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
3103 2006-09-23 Jakub Jelinek <jakub@redhat.com>
3107 * tree.c (merge_attributes, attribute_list_contained): If both
3108 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
3110 * c-typeck.c (comptypes_internal): Don't consider aggregates
3111 in different TUs as compatible if there one set of attributes is
3112 not a subset of the other type's attributes.
3113 (composite_type): Try harder not to create a new aggregate type.
3115 2006-09-22 Geoffrey Keating <geoffk@apple.com>
3117 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
3118 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
3119 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
3120 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
3121 than replicating condition above.
3122 * config.host (i[34567]86-*-*): Always use driver-i386.o.
3124 * config/darwin.h (LINK_SYSROOT_SPEC): New.
3125 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
3126 the linker by default.
3128 2006-09-22 Mike Stump <mrs@apple.com>
3130 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
3133 2006-09-22 Richard Guenther <rguenther@suse.de>
3136 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
3137 sort of stack variables stable.
3139 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
3142 * explow.c (force_reg): Set REG_POINTER flag according to
3145 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
3147 PR tree-optimization/28888
3148 * tree-if-conv.c (combine_blocks): Rewritten.
3149 * tree-cfg.c (tree_verify_flow_info): Check that edges with
3150 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
3152 2006-09-22 Jakub Jelinek <jakub@redhat.com>
3154 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
3157 2006-09-21 Richard Sandiford <richard@codesourcery.com>
3159 * varasm.c (copy_constant): Fix reversed gcc_assert check.
3161 2006-09-21 Janis Johnson <janis187@us.ibm.com>
3163 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
3165 2006-09-21 Roger Sayle <roger@eyesopen.com>
3168 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
3169 dw_fde_current_label, to be the start of the function, i.e. the same
3170 value as dw_fde_begin.
3172 2006-09-20 Richard Sandiford <richard@codesourcery.com>
3174 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
3175 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
3176 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
3177 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
3178 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
3179 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
3180 (abs<mode>2, neg<mode>2): Likewise.
3181 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
3182 (*mips_abs_ps): New define_insn.
3184 2006-09-20 Josh Conner <jconner@apple.com>
3187 * calls.c (expand_call): Allow reuse of structure return stack
3190 2006-09-20 Paul Brook <paul@codesourcery.com>
3192 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
3195 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3197 * doc/extend.texi (Decimal Float): Update for latest draft TR,
3198 clean up terminology.
3200 2006-09-20 Steve Ellcey <sje@cup.hp.com>
3203 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
3204 with tablejumps in them.
3206 2006-09-20 Jakub Jelinek <jakub@redhat.com>
3209 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
3210 wrap it into TARGET_EXPR.
3212 2006-09-20 Eric Christopher <echristo@apple.com>
3214 * config/i386/i386.c (x86_fisttp): Remove.
3215 * config/i386/i386.h (x86_fisttp): Ditto.
3216 (TARGET_FISTTP): Ditto.
3218 2006-09-19 Eric Christopher <echristo@apple.com>
3220 * doc/tm.texi (OBJC_JBLEN): Describe.
3221 * config/i386/darwin.h (OBJC_JBLEN): Define.
3222 * config/rs6000/darwin.h: Ditto.
3224 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
3226 PR rtl-optimization/21299
3227 * reload1.c (reload): Purge invalid ASMs in the final pass.
3229 2006-09-19 Steve Ellcey <sje@cup.hp.com>
3232 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
3233 pointers as legitimate constants.
3235 2006-09-19 Paul Brook <paul@codesourcery.com>
3238 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
3240 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
3242 PR tree-optimization/28887
3243 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
3244 component parts from the reference.
3245 (gather_memory_references_ref): Record the reference without the
3246 nonaddressable component parts.
3248 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
3251 * c-opts.c (c_common_handle_option): Ignore the -std options
3252 if the input language is assembly.
3254 2006-09-17 Ira Rosen <irar@il.ibm.com>
3257 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
3259 (ptr_ptr_may_alias_p): Likewise.
3260 (record_record_differ_p): New function.
3261 (base_object_differ_p): Call record_record_differ_p.
3263 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3266 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
3267 away for the expr argument.
3269 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3272 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
3273 before using it for dumping after vectorizing loops.
3275 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3276 Jack Howarth <howarth@bromo.med.uc.edu>
3279 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
3280 skip on error_mark_node.
3281 (rs6000_darwin64_record_arg_recurse): Likewise.
3283 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3285 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
3286 * doc/rtl.texi: Remove related documentation.
3288 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
3290 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
3293 2006-09-15 Jim Wilson <wilson@specifix.com>
3295 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
3296 Handle symbol offsets same as they are handled in ia64_expand_move
3299 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
3301 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
3302 Add forgotten parameter to the fprintf call.
3304 2006-09-15 Steve Ellcey <sje@cup.hp.com>
3306 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
3308 2006-09-15 Uros Bizjak <uros@kss-loka.si>
3310 * doc/contrib.texi: Add my entry.
3312 2006-09-15 Nick Clifton <nickc@redhat.com>
3314 * doc/md.texi (Processor pipeline description): Fix typo in
3315 example of how to use the absence_set directive and reword the
3316 description to make it slightly easier to read.
3318 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3320 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
3321 * loop-doloop.c (doloop_optimize): Use it to limit costs of
3322 expanding the number of iterations.
3323 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
3325 * cfgrtl.c (emit_insn_at_entry): New function.
3326 * rtl.h (emit_insn_at_entry): Declare it.
3327 * integrate.c (emit_initial_value_sets): Use it.
3329 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
3331 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
3333 (struct loop_work and related VEC declarations): Delete.
3334 (bfin_dump_loops): Print out new member bad.
3335 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
3336 (bfin_scan_loop): Don't recurse.
3337 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
3338 loops. No longer need to update outer loops if the current one is
3339 found bad. Move some validitiy checks to bfin_discover_loop.
3340 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
3341 but changed not to check for nesting. Also changed to use the new bad
3343 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
3344 time. Use bitmap based test to discover loop nesting.
3346 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
3348 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
3351 2006-09-14 Richard Guenther <rguenther@suse.de>
3352 Kazu Hirata <kazu@codesourcery.com>
3354 PR middle-end/28884.
3355 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
3356 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
3357 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
3358 with TARGET_FUNCTION_VALUE.
3360 2006-09-14 Anatoly Sokolov <aesok@post.ru>
3363 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
3365 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
3367 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
3370 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3373 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
3376 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3378 * basic_block.h (bb_has_eh_pred): Fix comment.
3380 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3382 * flow.c (calculate_global_regs_live): Invalidate eh registers
3383 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
3384 (propagate_block): Handle eh registers as if they were set at basic
3386 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
3388 * global.c (global_conflicts): Make eh registers to conflict with
3389 pseudos live at basic block begin.
3390 * basic_block.h (bb_has_eh_pred): New function.
3392 2006-09-13 Richard Sandiford <richard@codesourcery.com>
3394 PR rtl-optimization/28982
3395 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
3396 index of a PRE_MODIFY or POST_MODIFY address.
3397 * reload1.c (inc_for_reload): Use find_replacement on the original
3398 base and index registers.
3400 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
3402 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
3403 for -Os. Update __m128 alignment requirement.
3405 2006-09-13 Jan Hubicka <jh@suse.cz>
3407 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
3409 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3411 PR rtl-optimization/28243
3412 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3413 the insn to which the note was originally attached.
3415 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3416 Roger Sayle <roger@eyesopen.com>
3418 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
3419 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
3420 on platforms that don't use dwarf for debug info.
3422 2006-09-12 Jason Merrill <jason@redhat.com>
3425 * builtins.c (expand_builtin_setjmp_receiver): Clobber
3426 hard_frame_pointer_rtx after using it to update the frame pointer.
3428 2006-09-12 Roger Sayle <roger@eyesopen.com>
3430 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
3431 (TARGET_ASM_CLOSE_PAREN): Likewise.
3432 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
3433 (TARGET_ASM_CLOSE_PAREN): Likewise.
3435 2006-09-12 Roger Sayle <roger@eyesopen.com>
3438 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
3439 frame information for frames larger than 512 Kbytes on Tru64 when
3440 using the native assembler.
3442 2006-09-12 Roger Sayle <roger@eyesopen.com>
3446 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
3447 and symbols. Instead use the implementation from cse.c's hash_rtx.
3449 2006-09-12 Jan Hubicka <jh@suse.cz>
3451 PR rtl-optimization/28071
3452 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
3453 (vect_transform_loop): Likewise.
3454 * tree-vectorizer.c (new_loop_vec_info): Likewise.
3455 (new_loop_vec_info): Likewise.
3456 (destroy_loop_vec_info): Likewise.
3457 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
3458 (create_stmt_ann): Likewise.
3459 (create_tree_ann): Rename to ...
3460 (create_tree_common_ann): ... this one; allocate only the common part
3462 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
3463 (get_value_handle): Likewise.
3464 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
3465 get_tree_common_ann.
3466 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
3467 (vinfo_for_stmt): Use stmt annotations.
3468 * tree-flow.h (tree_ann_common_t): New type.
3469 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
3470 (tree_ann, get_tree_ann, create_tree_ann): New.
3471 * tree-flow-inline.h (get_function_ann): Do more type checking.
3472 (stmt_ann): Likewise.
3473 (tree_ann): Rename to ...
3474 (tree_common_ann): ... this one; return ony common_ann
3475 (get_tree_ann): Rename to ...
3476 (tree_common_ann): This one; return only common_ann.
3477 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
3480 2006-09-11 Geoffrey Keating <geoffk@apple.com>
3482 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
3483 with_cpu by default.
3485 * dwarf2out.c (dwarf_file_data): New.
3486 (enum dw_val_class): Add dw_val_class_file.
3487 (struct dw_val_struct): Add val_file.
3488 (file_table): Change to a hash table.
3489 (file_table_emitted): Delete.
3490 (file_table_last_lookup_index): Delete.
3491 (emitcount): Delete.
3492 (last_emitted_file): New.
3493 (lookup_filename): Change prototype to return a struct dwarf_file_data.
3494 (init_file_table): Delete.
3495 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
3496 (AT_addr): Add comment.
3500 (print_die): Handle dw_val_class_file.
3501 (print_dwarf_line_table): Update for new file table structure.
3502 (attr_checksum): Do checksum a filename.
3503 (same_dw_val_p, same_attr_p): Do compare a filename.
3504 (size_of_die): Handle dw_val_class_file.
3505 (value_format): Likewise.
3506 (output_die): Likewise. Also, call maybe_emit_file here.
3507 (struct file_info): Constify filenames. Make file_idx a pointer
3508 to a struct dwarf_file_data.
3509 (struct dir_info): Constify directory names. Remove 'used' field.
3510 (struct file_name_acquire_data): New.
3511 (file_name_acquire): New.
3512 (output_file_names): Modify to handle new file data structures.
3513 (add_src_coords_attributes): Use add_AT_file.
3514 (add_call_src_coords_attributes): Likewise.
3515 (dwarf2out_imported_module_or_decl): Likewise.
3516 (gen_subprogram_die): Modify for new file data structures.
3517 (gen_variable_die): Likewise.
3518 (file_table_eq): New.
3519 (file_table_hash): New.
3520 (file_table_last_lookup): New.
3521 (lookup_filename): Rewrite to handle new file data structures.
3522 (maybe_emit_file): Rewrite to handle new file data structures.
3523 (dwarf2out_source_line): Always call lookup_filename and
3525 (dwarf2out_init): Create file_table here.
3526 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
3527 (file_table_relative_p): New.
3528 (dwarf2out_finish): Change detection of relative filenames
3529 to work with new file data structures. Move output_line_info call
3530 after debug_info output.
3532 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
3537 * config/i386/i386.c (override_options): Always default to 16
3538 byte stack boundary.
3540 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
3543 * var-tracking.c (dump_dataflow_set): Start dumping at
3545 (clobber_variable_part): Kill only the variable part in
3546 registers holding it, leaving other variables alone.
3548 2006-09-11 Josh Triplett <josh@freedesktop.org>
3550 * doc/extend.texi (Other Builtins): Actually use the macro
3551 argument in the documentation example for
3552 __builtin_types_compatible_p.
3554 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3556 PR rtl-optimization/28726
3557 * sched-deps.c (sched_analyze_reg): New function extracted from...
3558 (sched_analyze_1): ...here. Call it to analyze references to
3559 registers. Treat again writes to a stack register as writing to the
3561 (sched_analyze_2): ...and here. Call it to analyze references to
3562 registers. Treat again reads of a stack register as reading the
3565 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
3566 David Edelsohn <edelsohn@gnu.org>
3569 * config/rs6000/spe.md (frob_df_di): Remove %H.
3570 (frob_di_df): Remove %H. Change evmergelo to mr.
3571 (frob_di_df_2): Remove %H. Change evldd to two loads.
3573 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
3575 * doc/cpp.texi: Fix names of charset options.
3577 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
3580 * config/i386/i386.c (override_options): Use 128-bit
3581 stack boundary always for 64bits.
3583 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3585 PR rtl-optimization/28636
3586 * combine.c (force_to_mode): Test for side-effects before
3587 substituting by zero.
3588 (simplify_shift_const): Likewise for zero or other constants.
3590 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
3593 * builtins.c (expand_builtin_setjmp): Force next_lab to be
3596 2006-09-10 Richard Sandiford <richard@codesourcery.com>
3599 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
3600 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
3601 returned by mode_for_size, rather than the mode of src itself,
3602 to choose between 32-bit and 64-bit patterns.
3603 (mips_mem_fits_mode_p): New function.
3604 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
3605 that the size of the source matches the size of the destination.
3606 (mov_<store>l, mov_<store>r): Likewise.
3608 2006-09-10 Eric Christopher <echristo@apple.com>
3610 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
3613 2006-09-09 Eric Christopher <echristo@apple.com>
3616 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
3619 2006-09-09 Roger Sayle <roger@eyesopen.com>
3620 Nicolas Setton <setton@adacore.com>
3622 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
3624 2006-09-10 Andreas Schwab <schwab@suse.de>
3626 * config/m68k/m68k.md (bungt_rev): New pattern.
3628 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
3629 Dale Johannesen <dalej@apple.com>
3632 * regclass.c (struct reg_pref): Update documentation.
3633 (regclass): Set prefclass to NO_REGS if memory is the best option.
3634 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3636 2006-09-08 Eric Christopher <echristo@apple.com>
3638 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
3639 * config/t-slibgcc-darwin: Support x86_64 multilib.
3640 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
3641 Return 1 for x86_64-darwin.
3642 * config/i386/t-darwin: Add m64 multilib.
3643 (LIB2_SIDITI_CONV_FUNCS): Use.
3644 (LIB2FUNCS_EXTRA): Ditto.
3645 * config/i386/darwin.h: Support x86_64.
3646 * config/i386/i386.c (override_options): Turn on flag_pic
3647 for x86_64-darwin. Disable flag_omit_pointer.
3648 (get_pc_thunk_name): Assert !TARGET_64BIT.
3649 (legitimate_address_p): Disable machopic addressing for
3651 (legitimize_pic_address): Ditto.
3652 (ix86_expand_move): Ditto.
3653 (ix86_expand_call): Ditto.
3654 (machopic_output_stub): Ditto.
3655 * config/darwin.c (machopic_select_section): Support literal16.
3656 (machopic_select_rtx_section): Ditto.
3657 * config/darwin-sections.def: Ditto.
3658 * config/darwin-64.c: New.
3660 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
3663 * c-tree.h (struct c_arg_info): Add pending_sizes.
3664 * c-parser.c (c_parser_parms_declarator,
3665 c_parser_parms_list_declarator): Initialize pending_sizes.
3666 * c-decl.c (get_parm_info): Initialize pending_sizes.
3667 (get_parm_info): Set pending_sizes.
3668 (grokdeclarator): Call put_pending_sizes for parameters for
3669 function definition only.
3671 2006-09-07 Jason Merrill <jason@redhat.com>
3674 * varasm.c (output_constant): Only strip actual no-op conversions.
3677 * config/i386/i386.c (override_options): Use 128-bit
3678 stack boundary if -msse.
3680 2006-09-07 Eric Christopher <echristo@apple.com>
3682 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
3684 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
3687 2006-09-07 Geoffrey Keating <geoffk@apple.com>
3689 * dwarf2out.c: Remove strange characters from comment above
3690 dwarf2out_frame_debug_expr.
3692 2006-09-07 Eric Christopher <echristo@apple.com>
3694 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
3695 * config/darwin.h: ... to here.
3697 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
3699 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
3701 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
3702 (TARGET_PARTIAL_FLAG_REG_STALL): New.
3704 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3705 TARGET_PARTIAL_FLAG_REG_STALL.
3706 (*ashldi3_cconly_rex64): Likewise.
3707 (*ashlsi3_cmp): Likewise.
3708 (*ashlsi3_cconly): Likewise.
3709 (*ashlsi3_cmp_zext): Likewise.
3710 (*ashlhi3_cmp): Likewise.
3711 (*ashlhi3_cconly): Likewise.
3712 (*ashlqi3_cmp): Likewise.
3713 (*ashlqi3_cconly): Likewise.
3714 (*ashrdi3_cmp_rex64): Likewise.
3715 (*ashrdi3_cconly_rex64): Likewise.
3716 (*ashrsi3_cmp): Likewise.
3717 (*ashrsi3_cconly): Likewise.
3718 (*ashrsi3_cmp_zext): Likewise.
3719 (*ashrhi3_cmp): Likewise.
3720 (*ashrhi3_cconly): Likewise.
3721 (*ashrqi3_cmp): Likewise.
3722 (*ashrqi3_cconly): Likewise.
3723 (*lshrdi3_cmp_rex64): Likewise.
3724 (*lshrdi3_cconly_rex64): Likewise.
3725 (*lshrsi3_cmp): Likewise.
3726 (*lshrsi3_cconly): Likewise.
3727 (*lshrsi3_cmp_zext): Likewise.
3728 (*lshrhi3_cmp): Likewise.
3729 (*lshrhi3_cconly): Likewise.
3730 (*lshrqi2_cmp): Likewise.
3731 (*lshrqi2_cconly): Likewise.
3733 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3736 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3737 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3738 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3739 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3740 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3741 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3742 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3743 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3744 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3745 implement only CC setting effects of shift instructions.
3747 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
3749 * doc/contrib.texi: Add myself.
3751 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
3754 * stor-layout.c (relayout_decl): Don't zero the alignment if it
3755 was set by the user.
3757 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
3760 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3761 (divsi_inv_m1): Use them.
3762 (UNSPEC_DIV_INV_TABLE): New constant.
3764 2006-09-06 James E Wilson <wilson@specifix.com>
3767 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3768 then call count_or_remove_death_notes.
3770 2006-09-06 Jason Merrill <jason@redhat.com>
3773 * tree-inline.c (copy_result_decl_to_var): New fn.
3774 (declare_return_variable): Use it. Call declare_inline_vars here.
3775 (expand_call_inline): Not here.
3777 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3779 * doc/contrib.texi: Update my entry.
3781 2006-09-06 Nick Clifton <nickc@redhat.com>
3783 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3785 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3788 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3789 (canonicalize_induction_variables): Likewise.
3790 (tree_unroll_loops_completely): Likewise.
3791 (tree_ssa_prefetch_arrays): Likewise.
3792 (remove_empty_loops): Likewise.
3793 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3794 TODO_cleanup_cfg instead of directly calling
3795 cleanup_tree_cfg_loop.
3796 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3798 (tree_unroll_loops_completely): Likewise.
3799 (remove_empty_loops): Likewise.
3800 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3801 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3802 of tree_ssa_unswitch_loops.
3803 (tree_ssa_loop_ivcanon): Use the return value of
3804 canonicalize_induction_variables.
3805 (tree_ssa_empty_loop): Use the return value of
3807 (tree_complete_unroll): Use the return value of
3808 tree_unroll_loops_completely.
3809 (tree_ssa_loop_prefetch): Use the return value of
3810 tree_ssa_prefetch_arrays.
3811 * passes.c (execute_todo): Before Cleanup CFG, set
3812 updating_used_alone and after cleanup CFG, call
3813 recalculate_used_alone.
3815 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3818 * tree-vect-transform.c (vectorizable_condition): Move the check
3819 for the type after the check for simple condition.
3821 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3822 Kaz Kojima <kkojima@gcc.gnu.org>
3825 * mode-switching.c (optimize_mode_switching): Make the destination
3826 block of an abnormal edge have no anticipatable mode. Don't
3827 insert mode switching code at the end of the source block of
3830 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3832 PR rtl-optimization/26847
3833 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3834 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3835 (simplify_plus_minus): Count n_constants while filling ops. Replace
3836 qsort with insertion sort. Before going through the array to simplify
3837 pairs, sort it. Delay early exit until after the first sort, exiting
3838 only if no swaps occurred. Simplify pairs in reversed order, without
3839 special-casing the first iteration. Pack ops after simplifying pairs.
3841 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3843 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3844 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3845 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3846 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3848 2006-09-05 Richard Guenther <rguenther@suse.de>
3850 PR tree-optimization/28900
3851 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3852 compound conditional before creating COND_EXPR condition.
3854 2006-09-05 Richard Guenther <rguenther@suse.de>
3856 PR tree-optimization/28905
3857 * tree-vrp.c (fix_equivalence_set): Manually implement
3858 !value_ranges_intersect_p to also handle symbolic ranges.
3860 2006-09-05 Richard Guenther <rguenther@suse.de>
3863 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3866 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3868 PR rtl-optimization/27616
3869 * cse.c (table_size): New static variable.
3870 (new_basic_block): Initialize it to 0.
3871 (remove_from_table): Decrement it.
3872 (insert): Increment it.
3873 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3874 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3875 fold_rtx_mem_1 if under the cap.
3876 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3877 the lookup of the equivalent expression and test for equality of the
3878 first operand of the equivalent expression before in turn looking up
3879 an equivalent constant for the second operand.
3881 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3884 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3885 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3886 pointer, instead of assuming it is possible to derive the
3887 correct args size from a call insn.
3889 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3892 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3893 (fold_builtin_mempcpy): Rename to...
3894 (fold_builtin_memory_op): ... this. Optimize one element copy
3896 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3898 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3899 (expand_builtin_memcpy, expand_builtin_mempcpy,
3900 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3901 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3902 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3903 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3905 2006-09-01 DJ Delorie <dj@redhat.com>
3907 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3908 (stzx_16): Likewise.
3909 ("stzx_24_<mode>"): Likewise.
3910 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3911 ("cmp<mode>_op"): New.
3912 (cmp<mode>): Change to expander; just save operands.
3914 (b<code>): Change to expander, emit compare here.
3915 (s<code>_op): Change to use split and expander.
3916 (s<code>_24_op): Likewise.
3917 (s<code>_<mode>): New.
3918 (s<code>_<mode>_24): New.
3919 (movqicc_<code>_<mode): New.
3920 (movhicc_<code>_<mode>): New.
3923 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3924 (m32c_pend_compare): New.
3925 (m32c_unpend_compare): New.
3926 (m32c_expand_scc): New.
3927 (m32c_expand_movcc): Emit the compare also.
3928 * config/m32c/predicates.md (mra_nopp_operand): New.
3930 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3931 Richard Guenther <rguenther@suse.de>
3932 Adam Nemet <anemet@caviumnetworks.com>
3935 * builtins.c (get_pointer_alignment): Handle more forms
3936 of base addresses that can be used to derive more precise
3937 information about alignment.
3939 2006-09-01 Jason Merrill <jason@redhat.com>
3942 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3945 * gimplify.c (voidify_wrapper_expr): Handle null type.
3947 2006-09-01 Josh Conner <jconner@apple.com>
3950 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3951 (execute_return_slot_opt): Use it.
3953 2006-08-31 Josh Conner <jconner@apple.com>
3956 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3957 returning aggregates.
3959 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3961 PR tree-optimization/28839
3962 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3963 blocks in that phi arguments appear.
3965 2006-08-31 Roger Sayle <roger@eyesopen.com>
3968 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3969 NULL, otherwise use an advance_loc4 to adjust relative to the
3971 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3972 (dwarf2out_switch_text_section): Reset the current label to avoid
3973 using advance_loc4 over section boundaries.
3975 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3978 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3979 r12 + SYMBOLIC_CONST.
3981 2006-08-30 Richard Guenther <rguenther@suse.de>
3983 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3985 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3987 PR rtl-optimization/27735
3988 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3989 Add new argument to keep track of whether an irreducible region
3990 was affected. All callers changed.
3991 (fix_irreducible_loops): Removed.
3992 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3993 flags were invalidated.
3995 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3997 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3998 instead of SF operands.
3999 (*fop_df_comm_sse): Likewise.
4000 (*fop_df_comm_i387): Likewise.
4001 (*fop_df_1_mixed): Likewise.
4002 (*fop_df_1_sse): Likewise.
4004 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4005 J"orn Rennecke <joern.rennecke@st.com>
4007 PR tree-optimization/17506
4008 * tree-ssa.c (warn_uninit): If warning about a location outside of
4009 the current function, note where the variable was declared.
4011 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
4013 PR tree-optimization/28411
4014 * double-int.c (double_int_div): Use double_int_divmod.
4015 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
4016 double_int_mod, double_int_smod, double_int_umod): New functions.
4017 * double-int.h (double_int_divmod, double_int_sdivmod,
4018 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
4020 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
4022 (get_computation_aff, get_computation_cost_at): Handle double_int
4023 return type of constant_multiple_of.
4025 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
4028 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
4029 an implicit conversion.
4031 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
4033 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
4035 2006-08-27 Roger Sayle <roger@eyesopen.com>
4037 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
4040 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
4042 * config/i386/crtfastmath.c: Fix a comment typo.
4044 2006-08-26 Roger Sayle <roger@eyesopen.com>
4046 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
4047 temporary visit flags on CASE_LABEL_EXPRs.
4048 * c-common.c (match_case_to_enum): Add function comment. Avoid
4049 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
4050 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
4051 CASE_HIGH_SEEN for enumerated types. If the switch expression is
4052 a constant, only warn if that constant value isn't handled.
4054 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
4057 * input.h (restore_input_file_stack): Declare.
4058 (INPUT_FILE_STACK_BITS): Define.
4059 * toplev.c (fs_p, input_file_stack_history,
4060 input_file_stack_restored, restore_input_file_stack): New.
4061 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
4062 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
4063 (pop_srcloc): Don't free old state of stack.
4065 2006-08-26 David Edelsohn <edelsohn@gnu.org>
4068 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
4069 (PowerPC Type Attributes): New.
4071 2006-08-26 Bob Wilson <bob.wilson@acm.org>
4073 * config/xtensa/xtensa.c (function_arg_boundary): New.
4074 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
4076 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
4077 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
4079 2006-08-26 Jakub Jelinek <jakub@redhat.com>
4082 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
4085 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4087 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
4088 (verify_local_live_at_start): Likewise.
4090 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4093 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
4094 omp_add_variable): Treat sizes as variable whenever not
4097 2006-08-26 Richard Guenther <rguenther@suse.de>
4100 * fold-const.c (fold_binary): Fold temporary to correct
4101 type before constructing new comparison.
4103 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
4106 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
4107 variable again if DECL_SEEN_IN_BIND_EXPR_P.
4109 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4112 * c-decl.c (start_function): Don't try to process prototype
4113 information from old declaration that isn't a function.
4115 2006-08-25 Jan Hubicka <jh@suse.cz>
4118 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
4120 2006-08-25 Alan Modra <amodra@bigpond.net.au>
4123 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
4126 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
4128 PR tree-optimization/16876
4129 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
4130 exit if PARM doesn't match VALUE.
4132 2006-08-25 Bob Wilson <bob.wilson@acm.org>
4134 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
4135 literal_prefix directive.
4136 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
4137 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4138 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4140 2006-08-25 David Edelsohn <edelsohn@gnu.org>
4143 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
4144 predicate to general_operand. Add 0->y and I->r alternatives.
4146 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
4148 * doc/tm.texi: Fix a typo.
4149 * predict.c: Fix comment typos.
4151 2006-08-25 Nick Clifton <nickc@redhat.com>
4153 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
4154 assertions of "cpu" and "machine".
4156 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
4159 * tree-ssa-operands.c (access_can_touch_variable): Don't say
4160 the access through a base which has an alias set of 0 cannot
4163 2006-08-24 Bill Wendling <wendling@apple.com>
4165 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
4167 2006-08-24 Jan Hubicka <jh@suse.cz>
4169 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
4171 2006-08-24 Jan Hubicka <jh@suse.cz>
4174 * cgraph.c: Fix comments.
4175 (cgraph_varpool_mark_needed_node): Mark only variables not already
4177 * cgraphunit.c: Update comments; include gt-cgraphunit.h
4178 (cgraph_varpool_assembled_nodes_queue): New static variable.
4179 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
4180 (cgraph_varpool_output_debug_info): New function.
4181 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
4182 * Makefile.in: Add gt-cgraphunit.h
4184 2006-08-24 Jan Hubicka <jh@suse.cz>
4186 * predict.c (probability_reliable_p): New predicate.
4187 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
4188 (predict_loops): Do not predict loop exit with less than 2%
4190 * basic-block.h (edge_probability_reliable_p,
4191 br_prob_note_reliable_p): Declare.
4192 * ia64.h (ia64_print_operand): Do not disable on-chip branch
4193 prediction when static predictor is not reliable.
4194 * rs6000.c (output_cbranch): Likewise.
4196 2006-08-23 Stuart Hastings <stuart@apple.com>
4199 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
4200 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
4202 2006-08-21 Geoffrey Keating <geoffk@apple.com>
4205 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
4206 complex values, nor for generic vector values.
4208 2006-08-22 Richard Guenther <rguenther@suse.de>
4211 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
4212 parameter. Convert arguments to arithmetic expression to the
4214 (analyze_scalar_evolution_1): Adjust caller.
4216 2006-08-22 Jan Hubicka <jh@suse.cz>
4218 Patch by Paolo Bonzini
4219 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
4222 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
4224 PR tree-optimization/28003
4225 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
4226 before grouping aliases.
4228 2006-08-22 Roger Sayle <roger@eyesopen.com>
4230 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
4231 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
4233 2006-08-21 Jason Merrill <jason@redhat.com>
4236 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
4237 wrapper. Loop to handle nested wrappers.
4238 (gimplify_bind_expr): Remove temp parameter.
4239 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
4240 and STATEMENT_LIST on the rhs.
4241 (gimplify_statement_list): Voidify the STATEMENT_LIST.
4242 (gimplify_expr): Pass pre_p to gimplify_statement_list.
4243 (gimplify_target_expr): Remove special BIND_EXPR handling.
4245 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
4247 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
4250 2006-08-21 Olivier Hainque <hainque@adacore.com>
4252 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
4253 Arrange for the temporary captures of components overlapping the lhs
4254 to happen before the lhs is possibly cleared.
4256 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
4258 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
4259 necessary places to pass the correct "number of registers" values
4262 2006-08-20 Jan Hubicka <jh@suse.cz>
4264 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
4265 (create_name_tags): Instead of quadratic checking use hashtable.
4266 * bitmap.h: Include hashtab.h.
4267 (bitmap_hash): Declare.
4268 * bitmap.c (bitmap_hash): New function.
4270 2006-08-20 Jan Hubicka <jh@suse.cz>
4272 PR rtl-optimization/28071
4273 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
4275 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
4276 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
4277 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
4278 cgraph_decide_inlining_incrementally): Update use of
4279 cgraph_check_inline_limits.
4280 * cgraph.c (edge_hash, edge_eq): New function.
4281 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
4282 cgraph_edge_remove_caller, cgraph_node_remove_callees,
4283 cgraph_remove_node): Maintain call site hash.
4284 * cgraph.h (struct cgraph_node): Add call_site_hash.
4285 (cgraph_set_call_stmt): New function.
4287 2006-08-20 Jan Hubicka <jh@suse.cz>
4289 PR rtl-optimization/28071
4290 * reload1.c (reg_has_output_reload): Turn into regset.
4291 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
4292 choose_reload_regs, emit_reload_insns): Update to new
4293 reg_has_output_reload.
4295 2006-08-20 Jan Hubicka <jh@suse.cz>
4298 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
4299 function body sizes.
4300 * cgraphunit.c (cgraph_analyze_function): Don't do so.
4302 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
4305 * tree.c (handle_dll_attribute): Return early if not a
4306 var or function decl.
4308 2006-08-18 Joseph Myers <joseph@codesourcery.com>
4311 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
4312 alignment of SPE vector types.
4314 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
4316 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
4318 2006-08-17 Jakub Jelinek <jakub@redhat.com>
4321 * cgraph.h (struct cgraph_node): Remove externally_visible
4323 * cgraphunit.c (process_function_and_variable_attributes): Set
4324 local.externally_visible rather than externally_visible.
4327 * c-common.c (handle_externally_visible_attribute): First look
4328 at TREE_CODE and only if it is function or var decl, check for
4329 non-public objects. Don't warn for DECL_EXTERNAL.
4330 * cgraphunit.c (process_function_and_variable_attributes): Warn
4331 if externally_visible attribute is used on non-public object.
4333 2006-08-17 Jan Hubicka <jh@suse.cz>
4335 PR tree-optimization/27865
4336 * reload1.c (forget_marked_reloads): New function.
4337 (forget_old_reloads_1): When data are passed, just mark the registers
4339 (reload_as_needed): Use the new mechanizm.
4341 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
4344 * reload.h (reg_equiv_alt_mem_list): New declaration.
4345 * reload1.c (reg_equiv_alt_mem_list): New definition.
4346 (reload): Initialize it and release it.
4347 (delete_output_reload): Use it.
4348 * reload.c (push_reg_equiv_alt_mem): New function.
4349 (find_reloads_toplev): Call it.
4350 (find_reloads_address, find_reloads_address_1): Likewise.
4351 (find_reloads_subreg_address): Likewise.
4353 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4355 PR rtl-optimization/28489
4356 * sched-ebb.c (begin_schedule_ready): Create basic block
4358 (advance_target_bb): Skip empty blocks.
4359 * haifa-sched.c (bb_note): Make global.
4360 * sched-int.h (bb_note): Add prototype.
4362 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4364 PR tree-optimization/27865
4365 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
4367 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
4368 fold_used_pointer, pointer_used_p): New functions.
4369 (analyze_scalar_evolution_1): Use fold_used_pointer.
4370 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
4371 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
4374 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
4377 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
4378 or the INTEGER_CST. Fail on a CALL_EXPR.
4379 (fold_offsetof): Pass new argument to fold_offsetof_1.
4380 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
4381 operand into an INDIRECT_REF.
4382 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
4384 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4386 PR gcov/profile/26570
4387 * value-prof.c (static_values): Removed.
4388 (tree_find_values_to_profile): Do not set static_values.
4389 (find_values_to_profile): Do not free static_values.
4390 * profile.c (instrument_values): Do not free the values.
4391 (branch_prob): Free the values.
4393 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
4395 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
4397 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4400 * c-typeck.c (build_component_ref): Combine qualifiers of
4401 structure or union and field.
4403 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4405 PR rtl-optimization/28071
4406 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
4407 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
4408 * tree-into-ssa.c (struct dom_dfsnum): New.
4409 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
4411 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
4412 compute_global_livein.
4413 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
4414 in phi nodes in the correct blocks.
4416 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4418 PR tree-optimization/28364
4419 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
4421 (fold_affine_expr): New function.
4422 (may_eliminate_iv): Use fold_affine_expr.
4424 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4427 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
4430 2006-08-16 Mike Stump <mrs@apple.com>
4432 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
4433 * doc/cppopts.texi (-MD): Likewise.
4435 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
4438 * c-common.c (handle_weak_attribute): Ignore and warn if
4439 not a FUNCTION_ or VAR_DECL.
4441 2006-07-15 Mike Stump <mrs@apple.com>
4444 * c-parser.c (c_parser_typeof_specifier): Don't use
4445 c_finish_expr_stmt, open code desired semantics instead.
4447 2006-08-15 Nick Clifton <nickc@redhat.com>
4449 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
4450 fragment to tmake_file only if threads are enabled.
4451 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
4452 * config/i386/t-gthr-win32: New file. ... here.
4454 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4457 * c-parser.c (c_parser_compound_statement_nostart): Reset
4458 parser->error after each statement.
4460 2006-08-15 Jakub Jelinek <jakub@redhat.com>
4463 * omp-low.c (lower_omp_parallel): Convert t to
4464 receiver_decl's type.
4465 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
4466 source before comparison.
4469 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
4470 to itype in assignment to oldival2.
4472 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
4476 * c-typeck.c (build_compound_expr): If the second expression
4477 is an error mark, then just return an error mark instead of
4478 creating a COMPOUND_EXPR.
4480 2006-07-14 Mike Stump <mrs@apple.com>
4482 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
4484 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
4486 * c-decl.c, var-tracking.c: Fix comment typos.
4488 2006-08-14 Richard Sandiford <richard@codesourcery.com>
4490 PR rtl-optimization/28634
4491 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
4492 for floating-point modes unless flag_unsafe_math_optimizations.
4494 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
4495 Andrew Pinski <pinskia@physics.uc.edu>
4498 * tree.c (build_array_type): Unify array types with
4499 unspecified index_type.
4500 * c-decl.c (grokdeclarator): Make sure we do not modify a
4501 unified incomplete array type.
4502 * c-typeck.c (store_init_value): Create distinct type before
4503 filling in the index type in an initializer from a compound
4506 * c-decl.c (grokdeclarator): Remove code where we copy the
4509 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
4511 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
4512 into account for TODO_dump_cgraph.
4513 (TODO_update_ssa_no_phi): Likewise.
4514 (TODO_update_ssa_full_phi): Likewise.
4515 (TODO_update_ssa_only_virtuals): Likewise.
4516 (TODO_remove_unused_locals): Likewise.
4517 (TODO_set_props): Likewise.
4518 (TODO_update_stmt_usage): Likewise.
4520 2006-08-13 Dirk Mueller <dmueller@suse.de>
4522 * c-common.c (strict_aliasing_warning): Fix formatting.
4524 2006-08-13 Matthias Klose <doko@debian.org>
4526 * doc/invoke.texi: Fix spelling errors.
4528 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4530 PR rtl-optimization/23454
4531 * reorg.c (relax_delay_slots): Update comment.
4533 2006-08-11 Richard Guenther <rguenther@suse.de>
4536 * simplify-rtx.c (simplify_const_relational_operation):
4537 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
4540 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
4542 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
4543 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
4545 2006-08-10 Paul Brook <paul@codesourcery.com>
4547 * final.c (final_scan_insn): Clear current_insn_predicate before
4548 outputting inline asm.
4550 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
4552 PR tree-optimization/26197
4553 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
4554 get_ref_base_and_extent and overlap_subvar to add only relevant
4555 subvars as may-aliases.
4556 (add_may_alias_for_new_tag): New function, factored out of
4558 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
4559 with additional argument.
4560 * tree-flow.h (new_type_alias): Takes additional argument.
4562 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
4564 * gcov.c (no_data_file): New flag.
4565 (read_count_file): Set it if data file not present. Assume counts
4567 (output_lines): Don't name the data file, if there wasn't one.
4569 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
4571 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
4572 (rs6000_generate_compare): Tweak comments.
4573 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
4575 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
4577 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
4578 (var_debug_decl): New function.
4579 (var_reg_set): Follow debug decl link. Add location even if
4580 reg is already known to hold some other variable.
4581 (var_mem_set): Follow debug decl link.
4582 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
4583 decl link. Delete other known locations of the variable part
4585 (var_reg_delete, var_mem_delete): Delete other known locations
4586 of the variable part if requested.
4587 (same_variable_part_p): New function.
4588 (add_stores): Select MO_COPY when appropriate.
4589 (vt_initialize): Handle it.
4590 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
4591 known locations for MO_SET and MO_CLOBBER.
4592 (find_variable_location_part): New function.
4593 (set_variable_part, delete_variable_part): Use it.
4594 (clobber_variable_part): New function.
4595 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
4598 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
4600 PR tree-optimization/26969
4601 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
4602 with an empty list of PHIs.
4604 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
4608 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
4611 2006-08-06 Andreas Schwab <schwab@suse.de>
4613 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
4614 string. Whitespace and comment fixup.
4616 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4619 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
4623 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
4626 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
4628 2006-08-04 Jan Hubicka <jh@suse.cz>
4632 * reload.c (push_reload): Patch out the mismatching instruction;
4634 (find_reload): Bail out if the instruction was patched out.
4636 2006-08-04 Jan Hubicka <jh@suse.cz>
4638 PR tree-optimization/24888
4639 * tree-inline.c (expand_call_inline): Do not re-record variables.
4640 (declare_inline_vars): Add variable to unexpanded_var_list.
4642 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4643 Roger Sayle <roger@eyesopen.com>
4645 PR rtl-optimization/26244
4646 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
4647 inner_const are negative or greater than or equal to the bitsize of
4648 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
4649 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
4650 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
4651 CONST0_RTX (mode) when the new shift count is greater than or equal to
4652 to the bitsize of the object being shifted and XEXP (y, 0) has no side
4655 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
4657 * tree-cfg.c: Fix a comment typo.
4659 2006-08-03 Mark Mitchell <mark@codesourcery.com>
4662 * varasm.c (output_constant): Give the front end another chance to
4663 expand constants, after stripping NOPs.
4665 2006-08-03 Jan Hubicka <jh@suse.cz>
4667 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
4670 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
4672 PR tree-optimization/27770
4673 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
4674 declaration removed (moved to tree-flow.h).
4675 (vect_can_force_dr_alignment_p): Likewise.
4676 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
4677 (moved from tree-vectorizer.h).
4678 (vect_can_force_dr_alignment_p): Likewise.
4679 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
4680 from outside the vectorizer - in particular from cgraph stage.
4681 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
4682 the alignment of global arrays when -fsection-anchors is enabled.
4683 * cgraphunit.c (cgraph_increase_alignment): New function.
4684 (cgraph_optimize): Call cgraph_increase_alignment.
4686 2006-08-03 David Edelsohn <edelsohn@gnu.org>
4689 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
4690 not reload a SPE symbol_ref into a lo_sum address.
4692 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
4695 * dwarf2out.c (prune_unused_types_prune): Move call to
4696 prune_unused_types_update_strings to cover the parent DIE also.
4698 2006-08-02 Jan Hubicka <jh@suse.cz>
4700 PR gcov/profile/28480
4701 * tree-cfg.c (change_bb_for_stmt): New function.
4702 (tree_merge_blocks, tree_split_blocks): Use it.
4704 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4710 * toplev.c (compile_file): Return early on errorcount or sorrycount.
4711 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4712 (cgraph_optimize): Likewise.
4714 2006-08-01 Stuart Hastings <stuart@apple.com>
4716 * rtl.h (UINTVAL) New.
4717 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4718 * testsuite/gcc.dg/20060801-1.c: New.
4720 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4723 * c-typeck.c (build_external_type): Mark used enum types.
4724 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4726 (gen_subprogram_die): Whitespace fix.
4728 2006-08-01 Jan Hubicka <jh@suse.cz>
4730 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4731 bitmap when not needed.
4732 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4735 2006-08-01 Dirk Mueller <dmueller@suse.de>
4737 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4739 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4741 * Makefile.in: Revert part of previous patch:
4742 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4745 2006-07-30 Eric Christopher <echristo@apple.com>
4748 * doc/extend.texi (i386 Variable Attributes): Add anchor.
4749 (PowerPC Variable Attributes): New section.
4751 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
4753 PR target/28126 (partial fix)
4754 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4756 2006-07-28 Jan Hubicka <jh@suse.cz>
4758 PR rtl-optimization/28071
4759 * cfgrtl.c (rtl_delete_block): Free regsets.
4760 * flow.c (allocate_bb_life_data): Re-use regsets if available.
4762 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4764 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4765 and variables used in dependencies.
4767 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4769 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4770 %fs for -mcmodel=kernel.
4771 (stack_tls_protect_test_di): Likewise.
4773 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4775 * Makefile.in: Use mkinstalldirs.
4777 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4780 * opts-common.c (prune_options): Skip joined switches.
4782 2006-07-27 Jan Hubicka <jh@suse.cz>
4784 PR rtl-optimization/28071
4785 * cselib.c (cselib_process_insn): Don't remove useless values too
4786 often for very large hashtables.
4788 2006-07-27 Jan Hubicka <jh@suse.cz>
4790 PR rtl-optimization/28071
4791 * global.c (greg_obstack): New obstack.
4792 (allocate_bb_info): Use it.
4793 (free_bb_info): Likewise.
4794 (modify_reg_pav): Likewise.
4796 2006-07-27 Roger Sayle <roger@eyesopen.com>
4798 * builtins.c (fold_fixed_mathfn): When long and long long are the
4799 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4800 functions to their lceil*, lfloor*, lround* and lrint* forms.
4802 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4805 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4807 (rev_branch_insn): Likewise.
4809 2006-07-27 Jan Hubicka <jh@suse.cz>
4811 PR rtl-optimization/28071
4812 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4813 (reg_set_in_bb, max_reg_computed): New static variables.
4814 (regmove_optimize): Free the new array.
4815 (fixup_match_1): Update call of reg_is_remote_constant_p.
4817 2006-07-26 Jan Hubicka <jh@suse.cz>
4819 PR tree-optimization/27882
4820 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4822 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4824 (cgraph_analyze_compilation_unit): Likewise.
4825 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4826 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4827 (cgraph_early_inlinine): Make order garbage collected.
4828 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4830 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4832 * dbxout.c (output_types_sort): Add a comment.
4833 (output_used_types): Free the VEC.
4835 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4837 * function.c (reorder_fix_fragments): Delete.
4838 (reorder_blocks): Don't call it.
4839 (reorder_blocks_1): Put all subblocks under the origin block.
4841 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4843 PR rtl-optimization/27907
4844 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4847 2006-07-25 Roger Sayle <roger@eyesopen.com>
4850 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4851 bar(x) check that bar's result type can represent all the values of T.
4853 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4855 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4857 2006-07-25 Nick Clifton <nickc@redhat.com>
4859 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4860 size_lookup[] array.
4861 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4862 (ggc_pch_count_object): Likewise.
4863 (ggc_pch_alloc_object): Likewise.
4864 (ggc_pch_write_object): Likewise.
4865 (init_ggc): Do not attempt to initialize entries in the
4866 size_lookup[] array for objects whose size is greater than than
4867 the length of the array.
4869 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4871 * dbxout.c (output_used_types_helper): Push queued types
4873 (output_types_sort): New.
4874 (output_used_types): Collect used types on a VEC and sort them
4877 2006-07-24 Richard Guenther <rguenther@suse.de>
4880 * cgraph.c (cgraph_remove_node): Do not check if dumps
4882 * cgraphunit.c (cgraph_optimize): Likewise.
4884 2006-07-24 Jan Hubicka <jh@suse.cz>
4886 PR rtl-optimization/28071
4887 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4888 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4889 splitting before first stmt.
4891 2006-07-24 Jan Hubicka <jh@suse.cz>
4893 PR rtl-optimization/28071
4894 * ipa-inline.c (update_caller_keys): Remove edges that
4895 are no longer inline candidates.
4897 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4900 * dbxout.c (output_used_types_helper, output_used_types): New.
4901 (dbxout_symbol): Call output_used_types.
4903 2006-07-23 Jan Hubicka <jh@suse.cz>
4907 * cgraph.c (cgraph_varpool_nodes): Export.
4908 (decide_is_variable_needed): Ignored "used" attribute in
4909 unit-at-a-time mode.
4910 * cgraph.h (cgraph_varpool_nodes): Declare.
4911 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4912 unit-at-a-time mode.
4914 2006-07-23 Roger Sayle <roger@eyesopen.com>
4917 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4918 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4919 the __gthrw form of thr_keycreate.
4920 (__gthread_key_delete): Silence the unused argument warning.
4922 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4925 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4926 Cache the last found '\0' marker to avoid quadratic behavior.
4928 2006-07-23 Jan Hubicka <jh@suse.cz>
4930 * i386.md (subsi_3_zext): Fix output template.
4932 2006-07-21 Mike Stump <mrs@apple.com>
4934 * doc/invoke.texi (C++ Dialect Options): Note that
4935 -fvisibility-inlines-hidden doesn't affect explicitly
4936 instantiationed inline methods.
4938 2006-07-20 Roger Sayle <roger@eyesopen.com>
4940 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4941 if the target assembler is GNU binutils' gas.
4942 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4943 whether to pass GNU gas or native as command line options.
4945 2006-07-20 Jason Merrill <jason@redhat.com>
4947 * tree.c (remove_attribute): New fn.
4948 * tree.h: Declare it.
4950 2006-07-20 Paul Brook <paul@codesourcery.com>
4953 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4954 they are invalidated by this instruction.
4956 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4959 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4961 2006-07-20 Eric Christopher <echristo@apple.com>
4964 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4966 2006-07-19 Eric Christopher <echristo@apple.com>
4968 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4969 Rewrite dependencies for libgcc_s.1.dylib.
4971 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4973 * except.c (duplicate_eh_regions_1): Clear next_peer.
4975 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4977 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4978 -mlongcall does not guarantee all calls will be long.
4979 * doc/extend.texi (long_call/short_call): Document that longcall
4980 does not guarantee a long call will be used.
4981 (longcall/shortcall): Likewise.
4983 2006-07-18 Roger Sayle <roger@eyesopen.com>
4986 * expmed.c (expand_shift): Additionally check that the shift_cost
4987 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4988 before implementing a LSHIFT_EXPR as a sequence of additions.
4989 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4990 middle-end that DImode shifts need to be synthesized by expand.
4992 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4995 * tree-ssa-operands.c (access_can_touch_variable): Update
4997 Return true if ALIAS is .GLOBAL_VAR.
4999 2006-07-18 David Daney <ddaney@avtrex.com>
5001 * gcc.c (display_help): Fix typo in help text.
5003 2006-07-18 Olivier Hainque <hainque@adacore.com>
5005 * tree.h (categorize_ctor_elements): Adjust prototype and add
5006 descriptive comment, both in accordance with the interface change
5008 * varasm.c (constructor_static_from_elts_p): New function.
5009 Whether a constructor node is a valid static constant initializer
5010 if all its elements are.
5011 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
5012 * output.h: Declare it.
5013 * expr.c (categorize_ctor_elements_1): Return whether the constructor
5014 is a valid constant initializer instead of computing the number of
5015 non-constant elements. Use constructor_static_from_elts_p for this
5016 purpose. Replace the head comment with an indication that this is a
5017 helper for categorize_ctor_elements.
5018 (categorize_ctor_elements): Same interface change as for the _1
5019 helper. Former head comment from this helper moved here, adjusted to
5020 account for the interface changes.
5021 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
5022 (all_zeros_p): Likewise.
5023 * gimplify.c (gimplify_init_constructor): Decide whether we can make
5024 static versions of the constructor from the categorize_ctor_elements
5025 return value instead of the formerly computed number of non-constant
5028 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
5030 * configure: Regenerate.
5031 * Makefile.in (build_libsubdir): New configure substitution
5032 (build_libobjdir): New variable.
5033 (BUILD_LIBIBERTY): Use it.
5035 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5038 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
5040 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
5043 * c-common.c (handle_weakref_attribute): Ignore attribute in
5044 the same conditions the alias attribute is ignored.
5046 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
5048 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
5049 (dbxout_begin_prologue): Increment scope_labelno.
5051 2006-07-17 Richard Henderson <rth@redhat.com>
5054 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
5057 2006-07-17 Roger Sayle <roger@eyesopen.com>
5058 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5060 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
5061 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
5062 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
5063 functions such as sbrk, write, etc.. Add function prototypes.
5064 Convert function declarations from K&R to ISO C. Cast pointers
5065 to "long" and "unsigned long" instead of "int" and "unsigned int".
5066 Convert tokens following #endif into comments.
5068 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
5070 * invoke.texi: Remove mention of f77; Reformat table for
5071 inline parameter options correctly; mention that -malign-double
5072 is default on x86-64 targets.
5074 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
5076 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
5077 (convert_affine_scev, chrec_convert_aggressive): Use
5078 avoid_arithmetics_in_type_p. Do not check for the subtypes
5081 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5084 * optabs.c (expand_doubleword_shift): Wrap the call to
5085 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
5087 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5090 * optabs.c (expand_binop): Pass next_methods rather than methods
5091 to expand_doubleword_shift.
5093 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
5096 * tree.h (dump_addr): Declare.
5097 * print-tree.c (dump_addr): New function.
5098 (print_node_brief, print_node): Use it.
5099 * print-rtl.c (print_rtx): Likewise.
5100 * common.opt (-fdump-noaddr): New option.
5101 * doc/invoke.texi (-fdump-noaddr): Document.
5102 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
5103 (ve_info_hash): Likewise.
5105 2006-07-13 Andrew Haley <aph@redhat.com>
5107 PR tree-optimization/19505
5108 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
5109 edge leaving this block, make sure that the destination of this
5110 block has only one predecessor.
5112 2006-07-17 Richard Guenther <rguenther@suse.de>
5114 PR tree-optimization/28238
5115 * tree-inline.c (copy_bb): Check if we produced valid
5116 gimple copying and substituting a stmt. If not, gimplify
5119 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
5121 * optabs.c (maybe_encapsulate_block): New function extracted from...
5122 (emit_libcall_block): ...here. Invoke it on the block of insns to
5123 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
5124 (emit_no_conflict_block): Likewise.
5126 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5128 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
5130 2006-07-15 Roger Sayle <roger@eyesopen.com>
5132 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
5133 a new NOP_EXPR case of the switch statement.
5135 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
5138 * stor-layout.c (place_field): Take the bit field with
5139 an excessive size into account in the ms-bitfiled case.
5142 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
5143 the previous bit field.
5145 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
5148 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
5150 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5152 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
5153 signal frames correctly even when the signal was installed with
5156 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
5158 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
5159 (dbxout_function_end): Use local label LFBB. Remove hook
5161 (dbxout_source_line): Use local label LFBB.
5162 (dbxout_block): Likewise.
5163 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
5164 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
5165 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
5166 and DBX_OUTPUT_NFUN.
5168 2006-07-13 Janis Johnson <janis187@us.ibm.com>
5170 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
5172 2006-07-13 Jan Hubicka <jh@suse.cz>
5174 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
5176 * output.h (align_variable): Declare.
5177 * varasm.c (align_variable): Export.
5178 * value-prof.c (tree_value_profile_transformations): Recompute iterator
5179 when basic block changed.
5181 2006-07-13 Nick Clifton <nickc@redhat.com>
5183 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
5184 walking the LOG_LINKS chain.
5186 2006-07-12 Geoffrey Keating <geoffk@apple.com>
5188 * doc/invoke.texi (C++ Dialect Options): Explain difference
5189 between -fvisibility-inlines-hidden and setting hidden
5190 visibility explicitly.
5192 2006-07-12 Eric Christopher <echristo@apple.com>
5194 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
5195 (stmp-lipo): Depend on libgcc.a.
5197 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
5199 * tree.c: Fix a comment typo.
5201 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
5203 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5205 (umulhisi3_r): Likewise.
5207 2006-07-12 Paolo Carlini <pcarlini@suse.de>
5210 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
5211 x < 19, vs wchar_t support.
5213 2006-07-12 Nick Clifton <nickc@redhat.com>
5215 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
5216 instead of -isa=sh4.
5218 2006-07-12 Mike Stump <mrs@apple.com>
5220 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
5222 2006-07-10 Eric Christopher <echristo@apple.com>
5224 * config/t-slibgcc-darwin: Rewrite.
5226 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
5229 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
5232 2006-07-08 Matthias Klose <doko@debian.org>
5234 * doc/sourcebuild.texi: Fix typo.
5236 2006-07-07 Mike Stump <mrs@apple.com>
5238 * toplev.c (process_options): Don't give -ffunction-sections may
5239 affect debugging warning for Mach-O.
5241 2006-07-07 James E Wilson <wilson@specifix.com>
5243 * config/mips/mips.md (cpu): Add sb1a.
5244 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
5245 addition to sb1. Adjust comments to clarify SB-1A differences from
5247 (ir_sb1a_load): New. Modify bypasses to use it.
5248 (ir_sb1a_simple_alu): Likewise.
5249 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
5250 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
5251 (mips_issue_rate): Add PROCESSOR_SB1A.
5252 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
5253 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
5254 (TARGET_SB1): Add PROCESSOR_SB1A check.
5255 (TUNE_SB1): Likewise.
5257 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
5258 * config/mips/mips.c (mips_store_data_bypass_p): New.
5259 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
5260 store_data_bypass_p.
5262 2006-07-08 Paul Brook <paul@codesourcery.com>
5265 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
5267 2006-07-07 Richard Guenther <rguenther@suse.de>
5270 * tree.h (build_one_cst): Declare.
5271 * tree.c (build_one_cst): New function.
5272 * tree-ssa-math-opts.c (get_constant_one): Remove.
5273 (insert_reciprocals): Use build_one_cst.
5274 * fold-const.c (fold_plusminus_mult): Likewise.
5276 2006-07-07 Roger Sayle <roger@eyesopen.com>
5278 * pointer-set.c (pointer_set_destroy): Correct whitespace.
5279 * cfgloopanal.c (dump_graph): Likewise.
5280 * dojump.c (discard_pending_stack_adjust): Likewise.
5281 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
5283 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
5284 * function.c (finalize_block_changes): Likewise.
5285 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
5286 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
5287 * rtl.c (dump_rtx_statistics): Likewise.
5288 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
5290 * varray.c (dump_varray_statistics): Likewise.
5291 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
5292 decode_decimal64, encode_decimal128, decode_decimal128,
5293 decimal_real_to_decimal): Likewise.
5295 2006-07-07 Richard Guenther <rguenther@suse.de>
5297 PR tree-optimization/28187
5298 * tree-vrp.c (vrp_operand_equal_p): New function.
5299 (vrp_bitmap_equal_p): Likewise.
5300 (update_value_range): Use them to compare old and new
5303 2006-07-06 Roger Sayle <roger@eyesopen.com>
5305 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
5306 a default case to switch statement to silence compiler warnings.
5308 2006-07-06 Roger Sayle <roger@eyesopen.com>
5311 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
5312 the configured assembler supports the x87's ffreep mnemonic.
5313 * configure: Regenerate.
5314 * config.in: Regenerate.
5316 * config/i386/i386.c (output_387_ffreep): New function.
5317 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
5318 (output_387_reg_move): Likewise.
5320 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
5322 Port to hosts whose 'sort' and 'tail' implementations
5323 treat operands with leading '+' as file names, as POSIX
5324 has required since 2001. However, make sure the code still
5325 works on pre-POSIX hosts.
5326 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
5327 which says you should use "tail -c +N" rather than "tail +Nc".
5328 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
5330 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5332 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
5335 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5338 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5339 PRE_{INC,DEC} of TFmode.
5341 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5342 Alan Modra <amodra@bigpond.net.au>
5345 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
5348 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5351 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
5352 Remove duplicate gtu.
5354 2006-07-05 Jason Merrill <jason@redhat.com>
5358 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
5359 * c-common.c (handle_packed_attribute): So don't copy it here.
5360 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
5362 2006-07-05 Mike Stump <mrs@apple.com>
5364 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
5366 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
5369 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
5371 2006-07-05 Richard Guenther <rguenther@suse.de>
5374 * config/i386/i386.md (*negdf2_1): Restrict pattern to
5375 TARGET_SSE2 targets if using SSE math.
5376 (*absdf2_1): Likewise.
5378 2006-07-05 Richard Guenther <rguenther@suse.de>
5380 PR tree-optimization/28162
5381 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
5382 make sure to convert the operands to the correct type.
5384 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
5386 PR tree-optimization/28218
5388 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
5389 to calculate and free the dominator information.
5391 2006-07-04 Peter O'Gorman <peter@pogma.com>
5393 * mklibgcc.in: chmod 644 before ranlib during install.
5395 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5396 J"orn Rennecke <joern.rennecke@st.com>
5398 * configure.ac (.eh_frame data check): Use diff -b.
5400 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5403 * Makefile.in (BUILD_RTL): Add build/vec.o.
5404 (build/gencondmd.o): Filter out -fkeep-inline-functions.
5405 (build/genextract): Delete.
5406 (build/genautomata): Likewise.
5408 2006-07-04 Alan Modra <amodra@bigpond.net.au>
5411 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
5412 128-bit IBM long doubles for ABI_V4.
5414 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
5416 * tree.c (range_in_array_bounds_p): New predicate.
5417 * tree.h (range_in_array_bounds_p): Declare it.
5418 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
5419 return a less conservative answer.
5420 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
5421 and flag 'is_group'.
5422 (IS_ELEMENT_FOR_GROUP): New macro.
5423 (FOR_EACH_ACTUAL_CHILD): Likewise.
5424 (next_child_for_group): New helper function.
5425 (can_completely_scalarize_p): Take into account groups.
5426 (sra_hash_tree): Handle RANGE_EXPR.
5427 (sra_elt_eq): Likewise.
5428 (lookup_element): Be prepared for handling groups.
5429 (is_valid_const_index): Delete.
5430 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
5431 instead of is_valid_const_index.
5432 <ARRAY_RANGE_REF>: New case.
5433 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
5434 is_valid_const_index.
5435 <ARRAY_RANGE_REF>: Do not unconditionally punt.
5436 (scan_dump): Dump info for groups too.
5437 (decide_instantiation_1): Likewise.
5438 (decide_block_copy): Assert that the element is not a group.
5439 Propagate decision to groups.
5440 (generate_one_element_ref): Handle RANGE_EXPR.
5441 (mark_no_warning): Iterate over actual childs.
5442 (generate_copy_inout): Likewise.
5443 (generate_element_copy): Likewise.
5444 (generate_element_zero): Likewise.
5445 (generate_element_init_1): Likewise.
5446 (dump_sra_elt_name): Handle RANGE_EXPR.
5448 2006-07-03 Roger Sayle <roger@eyesopen.com>
5450 PR tree-optimization/26251
5451 * tree-ssa-threadupdate.c (redirection_block_p): New function.
5452 (thread_block): When optimizing for size refuse to thread jumps
5453 that would require duplication of blocks other than redirection
5456 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5458 * configure.ac: Fix thinko in previous check-in.
5459 * configure: Regenerate.
5461 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5464 * configure.ac (for lang...): Simplify nesting of conditionals.
5465 Test subdir_requires for non-enabled languages. Move processing
5466 of lang_opt_files and lang_tree_fiels below that test.
5467 * configure: Regenerate.
5468 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
5470 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
5472 * doc/gcov.texi (Invoking Gcov): Add a missing word.
5474 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
5476 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
5479 2006-06-29 Jason Merrill <jason@redhat.com>
5486 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
5487 * c-common.c (c_determine_visibility): Handle it here.
5488 * c-decl.c (finish_decl): Call c_determine_visibility for
5490 * flags.h (enum symbol_visibility): Sort from most to least visibility.
5492 * varasm.c (default_assemble_visibility): Likewise.
5493 * c-common.c (handle_visibility_attribute): Complain about trying
5494 to give visibility to an already defined class, or trying to change
5495 declared visibility. Always attach the attribute.
5500 * attribs.c (decl_attributes): Ignore type-in-place attributes
5501 once the type has been defined.
5503 2006-06-29 Roger Sayle <roger@eyesopen.com>
5506 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
5507 to indicate the cpplib has issued an error message for us.
5509 2006-06-29 Asher Langton <langton2@llnl.gov>
5512 * config/i386/i386.c (ix86_output_function_epilogue): Don't
5513 insert a label at the end of an function under Mach-O.
5515 2006-06-29 Eric Christopher <echristo@apple.com>
5516 Evan Cheng <evan.cheng@apple.com>
5518 * predicates.md (vector_all_ones_operand): New.
5519 (nonimmediate_or_sse_const_operand): Ditto.
5520 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
5521 * config/i386/i386.c (standard_sse_constant_opcode): Define.
5522 (standard_sse_mode_p): Ditto.
5523 (standard_sse_constant_p): Add case for -1 vector.
5524 (ix86_expand_vector_move): Try to use.
5525 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
5526 Call standard_sse_constant_opcode.
5527 (*movv4sf_internal): Ditto.
5528 (*movv2df_internal): Ditto.
5530 2006-06-29 Roger Sayle <roger@eyesopen.com>
5532 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
5533 of XEXP to extract the operands of a MATCH_CODE rtx.
5535 2006-06-28 Andrew Pinski <pinskia@gmail.com>
5537 * tree.c (tree_size): Do not waste tail padding in
5538 struct tree_string and make the size be the same as
5539 build_string will generate.
5541 2006-06-28 Jason Merrill <jason@redhat.com>
5544 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
5545 may_aliases already in the tag's annotations to the bitmap.
5547 2006-06-28 Roger Sayle <roger@eyesopen.com>
5549 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
5551 2006-06-28 Roger Sayle <roger@eyesopen.com>
5553 * genpreds.c (generate_switch_p): New function.
5554 (add_mode_tests): Push the new mode test down inside an AND expr
5555 if this allows the switch-suitable MATCH_CODE to be near the root.
5556 (write_match_code_switch): New function to write a MATCH_CODE as
5558 (write_predicate_stmts): New function to write a predicate RTX
5559 expression as a sequence of statements.
5560 (write_one_predicate_function): Use write_predicate_stmts.
5561 (write_tm_constrs_h): Likewise.
5563 2006-06-26 Fred Fish <fnf@specifix.com>
5565 * config/mips/t-sb1: New file.
5566 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
5569 2006-06-26 DJ Delorie <dj@redhat.com>
5571 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
5573 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
5574 Jayant Sonar <jayants@kpitcummins.com>
5575 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
5577 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
5578 (subsi3, subsi3_1, subsi3_2): New.
5579 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
5580 * config/m32c/mov.md (SI mov peephole): New.
5581 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
5582 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
5584 2006-06-26 Olivier Hainque <hainque@adacore.com>
5586 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
5587 a CALL_EXPR target function declaration.
5589 2006-06-26 Richard Guenther <rguenther@suse.de>
5591 * tree.c (build_string): Do not waste tail padding in
5594 2006-06-26 Richard Guenther <rguenther@suse.de>
5596 * ggc-page.c (init_ggc): Add missing element to size_lookup
5600 2006-06-23 Richard Guenther <rguenther@suse.de>
5602 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5603 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5604 alignment requests instead. Add verification code.
5605 Add struct tree_function_decl and struct tree_binfo size to
5606 extra_order_size_table. Add missing element to size_lookup
5609 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
5612 * fold-const.c (const_binop): Be prepared for self returning zero.
5613 Simplify code handling complex values.
5615 2006-06-24 Olivier Hainque <hainque@adacore.com>
5617 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
5618 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
5621 2006-06-24 Olivier Hainque <hainque@adacore.com>
5623 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
5624 ARRAY_REF, so have the callback called for the low bound expression.
5626 2006-06-23 Janis Johnson <janis187@us.ibm.com>
5628 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
5629 * c-typeck.c (c_common_type): Disallow operations on decimal float
5630 types and other float types.
5631 * convert.c (convert_to_real): Don't ignore conversions involving
5632 decimal float types.
5634 2006-06-23 Olivier Hainque <hainque@adacore.com>
5636 * tree.c (max_int_size_in_bytes): New function, inspired from
5637 code in function.c:assign_temp.
5638 * tree.h (max_int_size_in_bytes): Declare.
5639 * function.c (assign_temp): Use it.
5640 * gimplify.c (create_tmp_var): Relax the assertions on the type
5641 properties, not mandating constant size any more.
5642 (force_constant_size): New static function.
5643 (gimple_add_tmp_var): Use it, forcing variable size to a
5644 constant upper bound if it is not constant on entry.
5646 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
5649 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
5650 for initialization and setting of one_only flag to ...
5651 (i386_pe_encode_section_info): ...here.
5652 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
5653 Recheck that the symbol has not been defined.
5655 2006-06-23 Richard Guenther <rguenther@suse.de>
5657 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5658 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5659 alignment requests instead. Add verification code.
5660 Add struct tree_function_decl and struct tree_binfo size to
5661 extra_order_size_table. Add missing element to size_lookup
5664 2006-06-22 Roger Sayle <roger@eyesopen.com>
5665 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5668 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
5669 call to lang_hooks.types.type_for_mode returned NULL_TREE.
5671 2006-06-23 Ben Elliston <bje@au.ibm.com>
5673 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
5674 negate dn -- manipulate it directly.
5676 2006-06-22 Roger Sayle <roger@eyesopen.com>
5677 Steven Bosscher <stevenb.gcc@gmail.com>
5680 * reload1.c (gen_reload): Call mark_jump_label on the new insns
5681 generated by gen_move_insn to add REG_LABEL notes if necessary.
5683 2006-06-22 Bob Wilson <bob.wilson@acm.org>
5685 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
5686 (leaf_entry): Remove use of MIN_ESA.
5688 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
5690 PR rtl-optimization/28121
5691 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
5694 2006-06-21 DJ Delorie <dj@redhat.com>
5696 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
5698 (mulhisi3_r): Likewise.
5700 2006-06-21 Richard Sandiford <richard@codesourcery.com>
5703 * coverage.c (coverage_counter_alloc): Leave the index type
5705 (coverage_counter_alloc): Use null arguments for operands 2 and 3
5708 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
5710 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
5711 section from the "Options for Code Generation Conventions".
5713 2006-06-21 Richard Henderson <rth@redhat.com>
5717 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5719 (global_symbolic_operand): Allow weak symbols, even if local_p.
5721 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5723 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5724 (find_interesting_uses_address): Punt if above function returns true.
5726 2006-06-21 Richard Guenther <rguenther@suse.de>
5728 * configure: Regenerated.
5730 2006-06-21 Joseph Myers <joseph@codesourcery.com>
5732 * config/mips/mips.c (function_arg): Where one part of a
5733 complex argument is in registers and the other part in the stack,
5734 return a REG not a PARALLEL.
5736 2006-06-21 Mark Mitchell <mark@codesourcery.com>
5738 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5739 when cross-compiling. Do not substitute libstdcxx_incdir.
5740 * configure: Regenerated.
5742 2006-06-21 Jakub Jelinek <jakub@redhat.com>
5744 * varasm.c (mergeable_string_section): Check for embedded NULs and
5745 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5746 rather than TREE_STRING_LENGTH bytes.
5748 2006-06-21 Richard Guenther <rguenther@suse.de>
5750 * ggc-page.c (extra_order_size_table): Add var_ann_d,
5751 tree_ssa_name, bitmap_element and phi_node with 4 arguments
5754 2006-06-21 Richrad Guenther <rguenther@suse.de>
5756 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5757 Limit iteration over the dominators.
5759 2006-06-20 Roger Sayle <roger@eyesopen.com>
5761 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5762 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5764 2006-06-20 Richard Guenther <rguenther@suse.de>
5765 Michael Matz <matz@suse.de>
5767 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5769 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5770 * et-forest.h (et_free_pools): Prototype new function.
5771 * et-forest.c (et_free_tree_force): Free parent occurrence.
5772 (et_free_pools): New function.
5773 * dominance.c (free_dominance_info): Free et-forest alloc
5776 2006-06-20 Roger Sayle <roger@eyesopen.com>
5778 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5779 integer modes, attempt to directly construct an integer constant.
5781 * fold-const.c (native_encode_vector): Determine the size of each
5782 element from the vector type instead of the first vector element.
5784 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5785 if all of its elements/components are constant.
5786 (build_constructor_from_list): Likewise.
5788 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5790 PR tree-optimization/27331
5791 * tree-data-ref.c (free_data_ref): New function.
5792 (create_data_ref): Fail if the data reference has unknown access
5794 (free_data_refs): Use free_data_ref.
5796 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5799 * tree-inline.c (setup_one_parameter): Strip useless
5800 type conversion before adding it to the IR.
5801 (declare_return_variable): Likewise.
5803 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5806 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5808 2006-06-19 Mike Stump <mrs@apple.com>
5810 * tree.c (variably_modified_type_p): VM arguments don't make the
5813 2006-06-19 Richard Guenther <rguenther@suse.de>
5815 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5816 type conversions after folding.
5818 2006-06-19 Richard Guenther <rguenther@suse.de>
5820 * ggc-page.c (extra_order_size_tab): Add entries with
5821 size of struct function and basic_block.
5822 (size_lookup): Extend to cover sizes up to 511.
5823 (ggc_alloc_stat): Adjust user.
5824 (ggc_pch_count_object): Likewise.
5825 (ggc_pch_alloc_object): Likewise.
5826 (ggc_pch_write_object): Likewise.
5828 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5830 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5831 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5834 2006-06-19 Denis Chertykov <denisc@overta.ru>
5836 * config/avr/libgcc.S : Correct my wrong previous commit.
5838 2006-06-19 Roger Sayle <roger@eyesopen.com>
5841 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5842 have stripped a SUBREG from the shift count, so we may need to
5843 convert_to_mode back to the type's mode before calling make_tree.
5844 Use new_amount instead of amount to avoid expanding a tree twice.
5846 2006-06-19 Richard Guenther <rguenther@suse.de>
5849 * fold-const.c (operand_equal_p): Check if the argument types
5850 have the same precision before stripping NOPs.
5852 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5854 Fix PR tree-optimization/27341
5855 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5857 * tree-complex.c (pass_lower_complex): Update SMT usage.
5859 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5861 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5862 Add a new alternative to the constraint strings. Add move of
5863 operand 1 to 3 to the splitter definition.
5864 ("doloop_si_long"): Second contraint alternative removed.
5866 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5868 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5869 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5871 (AVR_HAVE_MOVW) Define.
5872 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5873 (ASM_SPEC): Add avr25.
5874 (LINK_SPEC): Add avr25.
5875 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5876 (base_arch_s): Add new member 'have_movw_lpmx'.
5877 (avr_arch_types): Init 'have_movw_lpmx'.
5878 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5879 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5880 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5881 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5882 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5884 (avr_file_start): Do not output '.arh' derective.
5885 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5886 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5887 * config/avr/avr.md (mcu_enhanced): Delete.
5888 (mcu_have_movw): Define.
5889 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5890 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5891 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5892 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5893 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5894 attiny861 and at86rf401 devices.
5896 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5898 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5901 2006-06-17 Karl Berry <karl@gnu.org>
5903 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5904 doc/gccint.texi, doc/install.texi (@dircategory): Use
5905 "Software development" instead of "Programming", following
5906 the Free Software Directory.
5908 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5910 * config/i386/i386.c (legitimate_tls_address)
5911 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5912 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5913 (*tls_dynamic_gnu2_combine_64): Likewise.
5915 2006-06-16 Richard Guenther <rguenther@suse.de>
5918 * fold-const.c (negate_expr_p): Do not introduce undefined
5919 overflow in negating INTEGER_CSTs.
5920 (fold_negate_expr): Rename from negate_expr. Revert last
5921 change for folding BIT_NOT_EXPR. Change semantics to
5922 return NULL_TREE for non-simplified negations. Do not
5923 strip type conversions and unify type handling.
5924 (negate_expr): New function, wrap around fold_negate_expr
5925 but ensure building a tree always. Strip type conversions
5926 here, fold to result type.
5927 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5929 2006-06-16 Roger Sayle <roger@eyesopen.com>
5932 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5933 that (would) return their results in stack registers.
5935 2006-06-16 Michael Matz <matz@suse.de>
5936 Richard Guenther <rguenther@suse.de>
5938 * fold-const.c (fold_truthop): Only return new tree node if
5939 we canonicalized something.
5941 2006-06-16 Richard Guenther <rguenther@suse.de>
5943 * function.h (enum function_frequency): Move declaration
5944 out of struct function.
5945 (struct function): Move bool fields and the enum to the bitfield
5946 section. Reorder elements to avoid padding. Remove unused
5947 fields left over from the RTL inliner removal.
5948 * function.c (free_after_compilation): Do not zero removed fields.
5949 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5950 (ipa-type-escape.o): Likewise.
5952 2006-06-16 Richard Guenther <rguenther@suse.de>
5954 * cgraph.h (struct cgraph_local_info): Turn bool elements
5956 (struct cgraph_node): Likewise.
5957 (struct cgraph_varpool_node): Likewise.
5959 2006-06-15 Richard Guenther <rguenther@suse.de>
5961 * fold-const.c (fold_truth_not_expr): Rename from
5962 invert_truthvalue. Give it fold_* semantics to avoid
5964 (invert_truthvalue): New function. Wrapper around
5965 fold_truth_not_expr.
5966 (optimize_minmax_comparison): Avoid creating garbage.
5967 (fold_unary): Use fold_truth_not_expr for folding
5969 (fold_ternary): Replace uses of invert_truthvalue with
5970 fold_truth_not_expr where applicable.
5971 * tree.h (fold_truth_not_expr): Prototype.
5973 2006-06-16 Richard Guenther <rguenther@suse.de>
5975 PR tree-optimization/27781
5976 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5977 * ipa-pure-const.c (target.h): Include.
5978 (analyze_function): Do not analyze functions that do not
5981 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5984 * tree-dfa.c (referenced_vars_dup_list): Remove.
5985 (find_referenced_vars): Remove assert.
5986 (referenced_var_check_and_insert): Replace dup list with assert.
5987 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5988 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5990 2006-06-15 Richard Guenther <rguenther@suse.de>
5992 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5993 extra unused identifiers if not dumping.
5994 (create_variable_info_for): Likewise.
5996 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5998 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5999 (derive_constant_upper_bound): Derive more precise upper bound in
6000 common cases. Return type changed to double_int.
6001 (record_estimate): Reflect the changed return type of
6002 derive_constant_upper_bound.
6003 * double-int.c (double_int_zext, double_int_sext): Fix.
6005 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
6007 * configure.ac (CFLAGS): Get them from the toplevel or from the
6008 configure invocation.
6009 * configure: Regenerate.
6010 * Makefile.in (CFLAGS): Substitute value provided by configure.
6012 2006-06-14 Mark Mitchell <mark@codesourcery.com>
6015 * c-common.h (c_finish_omp_atomic): Adjust declaration.
6016 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
6017 rather than calling add_stmt on it.
6018 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
6020 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
6023 * reload1.c (reload): Remove registers returned by update_eliminables
6024 from used_spill_regs.
6026 2006-06-13 DJ Delorie <dj@redhat.com>
6028 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
6030 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
6032 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
6033 html__strip_dir, html__mkdir_p. Enhance install-html target.
6034 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
6035 * configure: Regenerate.
6037 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
6039 * fold-const.c (fold_cond_expr_with_comparison): Check for
6040 Objective-C++ as language in deciding COND_EXPR transformation.
6042 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
6045 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
6046 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
6047 * config/sh/lib1funcs.h (SL, SL1): Define.
6048 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
6049 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
6050 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
6051 (OBJS_Os_4_200): New variable.
6052 ($(T)libgcc-Os-4-200.a): Use it.
6053 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
6054 when dividing 1 and/or by 0.
6056 2006-06-13 Roger Sayle <roger@eyesopen.com>
6058 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
6059 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
6060 * configure: Regenerate.
6062 2006-06-13 Jie Zhang <jie.zhang@analog.com>
6064 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
6065 for real instruction.
6067 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6070 * haifa-sched.c (check_cfg): Handle special case.
6072 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
6075 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
6076 Add debug_info parameter. Chain the vars to the BLOCK instead
6077 of the BIND_EXPR if debug info are requested for them.
6078 (pop_gimplify_context): Adjust for above change.
6079 (gimple_add_tmp_var): Likewise.
6080 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
6082 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
6083 (convert_local_reference): Likewise.
6084 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
6085 (finalize_nesting_tree_1): Request that debug info be emitted
6086 for debug_var_chain.
6088 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6090 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
6091 for PR target/27863.
6093 2006-06-13 Richard Guenther <rguenther@suse.de>
6096 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
6098 2006-06-13 Richard Guenther <rguenther@suse.de>
6100 PR tree-optimization/27830
6101 * tree-inline.c (copy_body_r): For copying the operand
6102 of an ADDR_EXPR make sure to fold &* afterwards.
6104 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
6106 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
6107 lvalues in the fb_none case with side-effects.
6109 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
6111 * tree-flow.h: Remove the prototype for
6112 compute_phi_arg_on_exit.
6113 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
6114 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
6117 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
6119 * builtins.c (expand_builtin_return_addr): Only use
6120 frame_pointer_rtx when count == 0 and we are expanding
6121 __builtin_return_address.
6123 2006-06-12 Fred Fish <fnf@specifix.com>
6125 * config/mips/mips.c (mips_file_start): Create special section
6126 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
6128 2006-06-11 Eric Christopher <echristo@apple.com>
6131 * stor-layout.c (place_field): Remove check for
6132 remaining_in_alignment when aligning at the end of a run.
6134 2006-06-11 Eric Christopher <echristo@apple.com>
6137 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
6140 2006-06-11 Roger Sayle <roger@eyesopen.com>
6143 Revert incorrect fix for PR target/27158
6144 2006-05-08 Roger Sayle <roger@eyesopen.com>
6145 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6146 of a reg_equiv_constant if the result is a legitimate constant.
6148 2006-06-11 Roger Sayle <roger@eyesopen.com>
6151 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
6152 extract a CONST_VECTOR element and interpret it as an integer.
6153 (vspltis_constant): Use const_vector_elt_as_int instead of the
6154 macro CONST_VECTOR_ELT in order to handle FP vector modes.
6155 * config/rs6000/predicates.md (easy_vector_const): Consider
6156 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
6158 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
6161 * stor-layout.c (update_alignment_for_field): Don't add extra
6162 alignment for packed non-bitfield fields in ms_bitfield_layout_p
6165 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
6167 * config/mips/t-rtems: Add EL/EB multilib variants.
6169 2006-06-09 Mike Stump <mrs@apple.com>
6171 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
6173 2006-06-09 David Daney <ddaney@avtrex.com>
6175 * doc/install.texi: Add binutils version recommendation for mips-*-*.
6177 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
6179 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
6181 2006-06-09 Richard Guenther <rguenther@suse.de>
6183 PR tree-optimization/26998
6184 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
6185 of signed types, only TYPE_MIN_VALUE is special, but for both,
6186 minimum and maximum value. Likewise VR_ANTI_RANGE is special
6187 in this case, as is -fwrapv.
6189 2006-06-08 Mike Stump <mrs@apple.com>
6192 * config/darwin.c (darwin_asm_output_anchor): Disable
6193 -fsection-anchors on darwin for now.
6194 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
6195 * rs6000/rs6000.c (optimization_options): Likewise.
6197 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6200 * config/i386/i386.c (classify_argument): Skip fields with invalid
6203 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
6205 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
6206 (cse_insn): Likewise for the stack_pointer_rtx.
6208 2006-06-08 Roger Sayle <roger@eyesopen.com>
6210 * tree-ssa-dom.c (record_conditions): Only record "unordered"
6211 conditions from floating point comparisons.
6213 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
6216 * expmed.c (struct alg_hash_entry): Fix type of field T
6217 to match synth_mult argument.
6218 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
6220 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6223 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
6226 2006-06-08 Richard Guenther <rguenther@suse.de>
6229 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
6230 only, if overflow is defined and not trapping.
6231 (negate_expr): Likewise.
6233 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6235 PR tree-optimization/27872
6236 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
6237 flag on the new exit edge of the unrolled loop.
6239 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6241 PR rtl-optimization/26449
6242 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
6244 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
6247 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
6248 referenced_variables with matching DECL_UID's.
6249 (find_referenced_vars): Make sure duplicate list is empty to start.
6250 (referenced_var_p): Remove.
6251 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
6252 Check if var is in the list, and add if needed. Update the duplicate
6253 list if a different var is in the list with the same DECL_UID.
6254 (add_referenced_var): Call routine to check and insert.
6255 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
6256 * tree-flow.h (referenced_vars_dup_list): External declaration.
6258 2006-06-07 Fred Fish <fnf@specifix.com>
6260 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
6263 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
6266 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
6267 the imaginary and real parts of a clobbered register.
6268 Emit insn to set the imaginary part.
6270 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
6272 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
6273 in lieu of unwind-dw2-fde.c.
6275 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6277 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
6279 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
6282 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
6283 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
6284 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
6285 V4SImode temporaries and operations instead.
6287 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
6289 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
6292 2006-06-06 Mike Stump <mrs@apple.com>
6294 * Makefile.in: Rename to htmldir to build_htmldir to avoid
6295 installing during build.
6297 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6299 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
6301 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6302 * config/ia64/ia64.c (params.h): New header.
6303 (ia64_optimization_options): New function to adjust parameters.
6304 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
6305 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
6306 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
6308 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
6310 * stor-layout.c (debug_rli): Fix a typo in a debug message.
6312 2006-06-05 Steve Ellcey <sje@cup.hp.com>
6315 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
6317 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
6318 Victor Kaplansky <victork@il.ibm.com>
6320 PR tree-optimization/26360
6321 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
6324 2006-06-04 Roger Sayle <roger@eyesopen.com>
6325 Andrew Pinski <pinskia@physics.uc.edu>
6328 * c-common.c (c_common_truthvalue_conversion): Explicitly check
6329 for LABEL_DECL before calling DECL_WEAK.
6332 * c-typeck.c (build_binary_op): Likewise, explicitly check for
6333 LABEL_DECL and PARM_DECL.
6335 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
6339 * c-decl.c (grokdeclarator): Disallow variably modified types at
6340 file scope. Avoid marking shared array type of constant size as
6343 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6346 * c-common.c (fold_offsetof_1): Handle static members.
6348 2006-06-04 Eric Christopher <echristo@apple.com>
6350 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
6351 (debug_rli): Output value for remaining_in_alignment.
6352 (update_alignment_for_field): Unconditionalize
6353 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
6354 extra alignment code.
6355 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
6356 ms_bitfield_layout_p code. Rewrite handling of structure fields.
6357 * tree.h (record_layout_info_s): Remove prev_packed.
6358 * doc/extend.texi (ms_struct): Add documentation of format.
6360 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
6362 * tree.h: Declare folding_initializer.
6363 * builtins.c (fold_builtin_constant_p): Give definite answer
6364 if folding inside an initializer.
6365 * fold-const.c: Define folding_initializer.
6366 (START_FOLD_INIT): Save and then set folding_initializer.
6367 (END_FOLD_INIT): Restore folding_initializer.
6369 2006-06-04 Richard Guenther <rguenther@suse.de>
6371 PR tree-optimization/27039
6372 * fold-const.c (fold_comparison): Handle pointer comparison
6373 again for all comparison codes. Compare offsets in signed
6375 (fold_binary): Move code from here.
6377 2006-06-03 Roger Sayle <roger@eyesopen.com>
6380 * config/i386/i386.c (construct_container): Split static issued_error
6381 flag into issued_sse_arg_error, issued_sse_ret_error and
6382 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
6383 requires the use of x87 registers and the user explicitly
6384 specified the -mno-80387 command line option.
6386 2006-06-02 Geoffrey Keating <geoffk@apple.com>
6388 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
6389 HAVE_DECL_SIGALTSTACK.
6391 (segv_handler): Use MC_FLD.
6392 * configure.ac: Check for a sigaltstack declaration.
6393 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
6394 * configure: Regenerate.
6395 * config.in: Regenerate.
6397 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
6400 * Makefile.in (stmp-fixinc): Fix typo.
6402 2006-06-02 Roger Sayle <roger@eyesopen.com>
6404 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
6405 are type correct. Clean-up.
6406 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6407 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
6409 2006-06-01 DJ Delorie <dj@redhat.com>
6411 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
6412 shift, as we've disabled the "switch" insn that needs it.
6414 2006-06-01 Per Bothner <bothner@bothner.com>
6416 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
6417 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
6418 * c-ppoutput.c (cb_define): Don't increment line 0.
6420 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
6422 * doc/invoke.texi: Add cpu_type power6.
6423 * config.gcc: Add cpu_type power6.
6424 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
6425 to power5+ with Altivec.
6426 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
6427 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
6429 2006-05-30 Anatoly Sokolov <aesok@post.ru>
6431 * config/avr/avr.h (SET_ASM_OP): Define.
6433 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
6435 * config/bfin/bfin.c: Fix comment typos.
6437 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6440 * doc/install.texi: Document --enable-bootstrap and
6441 --disable-bootstrap.
6443 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6445 * doc/install.texi: Document that InfoZIP can replace jar.
6447 2006-05-31 Roger Sayle <roger@eyesopen.com>
6449 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
6450 isn't available, directly generate the simpler x87 patterns without
6451 the (use (const_int 0)).
6452 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
6453 implementation isn't available.
6454 (*negdf2_1): Likewise.
6455 (*negxf2_1): XF mode negation is always done using the x87.
6456 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
6458 2006-05-31 Roger Sayle <roger@eyesopen.com>
6460 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
6461 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
6463 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
6465 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6467 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
6468 * config/bfin/bfin.c (basic-block.h): Include.
6469 (struct machine_function): New.
6470 (bfin_init_machine_status): New.
6471 (override_options): Initialize init_machine_status.
6472 (bfin_hardware_loop): New.
6473 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
6474 (DEF_VEC_P (loop_info)): New.
6475 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
6476 (struct loop_info): New.
6477 (loop_info): New typedef.
6478 (struct loop_work): New.
6479 (loop_work): New typedef.
6480 (DEF_VEC_O (loop_work)): New.
6481 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
6482 (bfin_dump_loops): New.
6483 (bfin_bb_in_loop): New.
6484 (bfin_scan_loop): New.
6485 (bfin_optimize_loop): New.
6486 (bfin_reorg_loops): New.
6487 (bfin_reorg): Use bfin_reorg_loops.
6488 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
6490 (I_REGNO_P): Simplify.
6491 (DP_REGNO_P, DPREG_P): New macros.
6492 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
6493 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
6494 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6495 Add LT_REGS, LC_REGS, LB_REGS.
6496 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
6498 (REGNO_REG_CLASS): Deal with loop registers.
6499 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
6501 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
6502 New constants for loop registers.
6503 (UNSPEC_LSETUP_END): New.
6504 (seq_insns): New define_attr. Set it for appropriate insns.
6505 (movsi_insn): Add alternatives for move from/to
6506 loop count registers.
6507 (doloop_end): New define_expand.
6508 (loop_end): New define_insn.
6509 (define_split for bad doloop_end): New.
6510 (lsetup_with_autoinit): New define_insn.
6511 (lsetup_without_autoinit): New define_insn.
6512 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
6513 * config/bfin/predicates.md (lc_register_operand): New.
6514 (lt_register_operand): New.
6515 (lb_register_operand): New.
6516 (nondp_register_operand): New.
6517 (nondp_reg_or_memory_operand): New.
6518 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
6520 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6522 * config/bfin/bfin.c (bfin_delegitimize_address): New.
6523 (TARGET_DELEGITIMIZE_ADDRESS): Define.
6525 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
6527 * Makefile.in (CATALOGS): Add po/ prefix.
6528 * configure: Regenerated.
6530 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
6533 * arm.c (arm_print_operand case 'S'): Validate that the operand is
6534 a shift operand before calling shift_op. Avoid redundant call of
6537 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
6538 DJ Delorie <dj@redhat.com>
6540 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
6541 we're inserting is a singlt-bit constant.
6543 2006-05-30 Roger Sayle <roger@eyesopen.com>
6545 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
6546 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
6548 2006-05-30 Roger Sayle <roger@eyesopen.com>
6550 PR tree-optimization/23452
6551 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
6552 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
6553 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
6554 complex values and with -ffast-math for FP complex values.
6556 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
6558 * c-common.h: Remove the prototype for yyparse.
6559 * rtl.h: Remove the prototype for init_loop.
6561 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
6563 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
6566 2006-05-30 Roger Sayle <roger@eyesopen.com>
6568 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
6570 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
6571 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
6573 2006-05-30 Dirk Mueller <dmueller@suse.de>
6576 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
6577 for CONSTANT_CLASS_P expresisons.
6579 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6582 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
6584 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
6586 PR tree-optimization/27779
6587 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
6588 initial_condition instead of CHREC_LEFT.
6590 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
6592 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
6593 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
6594 Make prototypes ISO C90.
6596 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
6597 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6599 * see.c (see_analyze_one_def): Correct check.
6600 (see_get_extension_data): Check if extension is parallel.
6601 (see_get_extension_reg): Likewise.
6603 2006-05-30 Uros Bizjak <uros@kss-loka.si>
6606 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
6607 into register for (code == GTU).
6609 2006-05-29 Roger Sayle <roger@eyesopen.com>
6611 PR tree-optimization/24964
6612 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
6613 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
6614 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
6615 abs(x)*abs(x) as x*x for scalar floating point modes.
6617 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
6620 * lambda-code.c (perfect_nestify): Don't copy statements
6621 in the inner loop: move them to the inner loop header.
6623 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6626 * c-tree.texi: Document OpenMP directives and clauses.
6628 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6630 * varasm.c (globalize_decl): Fix indentation.
6632 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6635 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
6636 pass_fre, pass_store_ccp, pass_copy_prop,
6637 pass_store_copy_prop, pass_merge_phi, pass_nrv,
6638 pass_return_slot, pass_object_size, pass_lim,
6639 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
6640 pass_loop_prefetch and pass_stdarg.
6642 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
6644 * config/bfin/bfin.opt (mfdpic): New option.
6645 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
6646 (EXTRA_MULTILIB_PARTS): Likewise.
6647 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
6648 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
6650 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
6651 (CRT_CALL_STATIC_FUNCTION): New.
6652 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
6654 (CRT_CALL_STATIC_FUNCTION): New.
6655 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
6657 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
6658 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
6659 (initialize_trampoline): Changed to handle FD-PIC code generation.
6660 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
6661 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
6662 (override_options): Disallow -mid-shared-library -mfdpic combination.
6663 Can't do unaligned ops if FD-PIC.
6664 Turn off flag_pic if trying to generate non-id-shared-library
6665 non-fdpic code, since it's not supported.
6666 (bfin_assemble_integer): New function.
6667 (TARGET_ASM_INTEGER): Define.
6668 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
6670 * config/bfin/crtn.s: Restore them.
6671 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
6673 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
6674 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
6675 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
6676 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
6677 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
6679 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
6680 FDPIC_REGS and FDPIC_FPTR_REGS.
6681 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
6682 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
6683 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
6684 (load_funcdescsi): New pattern.
6685 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
6686 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
6687 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
6689 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6691 * gcse.c, rtlanal.c: Remove obsolete comments associated with
6694 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
6696 * tree-flow.h: Remove the prototype for add_type_alias.
6697 * tree-ssa-alias.c (add_type_alias): Remove.
6699 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
6701 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
6702 config/fr30/fr30.md, config/i386/i386-interix.h,
6703 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
6704 config/sh/superh64.h, config/v850/v850.c, df-core.c,
6705 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
6706 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
6707 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
6708 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
6709 Follow spelling conventions.
6710 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
6711 Follow spelling conventions.
6713 2006-05-27 Richard Guenther <rguenther@suse.de>
6716 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6717 to produce a constant of value 1 of generic type.
6719 2006-05-27 Dirk Mueller <dmueller@suse.de>
6721 * cgraphunit.c (decide_is_function_needed): Fix wrong
6724 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6726 PR rtl-optimization/27661
6727 * reload.c (find_reloads): When reloading a VOIDmode constant
6728 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6729 use Pmode as mode of the reload register.
6731 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
6733 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6734 is enabled at -O and above.
6736 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
6739 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6742 2006-05-25 Mark Mitchell <mark@codesourcery.com>
6745 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6746 for anonymous variables explicitly declared by front ends.
6748 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6750 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6751 (struct alias_info): Add new field ref_all_symbol_mem_tag.
6752 * tree-ssa-alias.c (compute_may_aliases): If the program contains
6753 ref-all pointers, run a finalization pass for them.
6754 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6755 (finalize_ref_all_pointers): New function.
6756 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6757 regular pointer type to a ref-all pointer type.
6758 (get_tmt_for): Return the special memory tag for ref-all pointers.
6760 2006-05-25 Richard Guenther <rguenther@suse.de>
6763 * fold-const.c (fold_binary): Do not look at the stripped
6764 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6766 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6768 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6769 for LT and GT if the computed range is effectively empty.
6771 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6774 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6775 mips_quad_format formats instead of ieee_single_format,
6776 ieee_double_format and ieee_quad_format formats, respectively.
6778 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6780 PR tree-optimization/27639
6781 PR tree-optimization/26719
6782 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6783 call to scev_probably_wraps_p.
6784 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6785 used_in_pointer_arithmetic_p, convert_step): Removed.
6786 (nowrap_type_p): New function.
6787 (scev_probably_wraps_p): Rewritten.
6788 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6789 chrec_convert if chrec_convert_aggressive might have been used.
6790 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6791 scev_direction): New functions.
6792 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6793 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6794 instead of convert_step.
6795 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6796 (convert_step): Declaration removed.
6797 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6799 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6801 * df-core.c: Added to header comments.
6802 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6803 df_ur_bb_info, df_urec_bb_info): Added comments.
6804 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6805 urec, ri problems): Fixed header comments.
6806 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6807 code from df_rd_transfer_function.
6809 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6811 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6812 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6813 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6815 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6817 * expr.c (undefined_operand_subword_p): New.
6818 (emit_move_multi_word): Do not generate move from undefined bits
6819 of a paradoxical subreg.
6821 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6823 PR rtl-optimization/27736
6824 * combine.c (replaced_rhs_value): New variable.
6825 (combine_instructions): Set it.
6826 (distribute_notes): When distributing a note in replaced_rhs_insn,
6827 check whether the value was used in replaced_rhs_value.
6829 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6832 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6833 add_referenced_var instead of add_referenced_tmp_var.
6834 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6835 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6837 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6838 tree_optimize_tail_calls_1): Use add_referenced_var.
6839 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6840 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6841 Use add_referenced_var.
6842 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6843 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6844 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6845 Use add_referenced_var.
6846 * tree-dfa.c (struct walk_state): Remove.
6847 (find_referenced_vars): Remove walk state and vars_found hash table.
6848 (make_rename_temp): Use add_referenced_var.
6849 (find_vars_r): Pass less parameters to add_referenced_var.
6850 (referenced_var_p): New. Is var in referenced_var hash table.
6851 (referenced_var_insert): Assert var isn't already in hash table.
6852 (add_referenced_var): Don't need walk_state parameter. Add var if it
6853 isn't already in the hash table.
6854 (add_referenced_tmp_var): Remove.
6855 (find_new_referenced_vars_1): Use add_referenced_var.
6856 * tree-ssa-pre.c (create_expression_by_pieces,
6857 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6858 Use add_referenced_var.
6859 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6860 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6861 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6863 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6864 vect_create_data_ref_ptr, vect_create_destination_var,
6865 vect_init_vector, vect_build_loop_niters,
6866 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6867 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6868 Use add_referenced_var.
6869 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6870 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6871 (add_referenced_var): Add prototype.
6872 * tree-ssa-structalias.c (get_constraint_for,
6873 intra_create_variable_infos): Use add_referenced_var.
6875 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6877 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6878 big-endian paradoxical subregs.
6879 * var-tracking.c (struct micro_operation_def): Document that,
6880 for modify micro operations, insn is the subsequent instruction.
6881 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6882 (var_reg_set, var_mem_set): ... new functions.
6883 (add_stores): Record subsequent insn.
6884 (compute_bb_dataflow): Use new functions for MO_USE.
6885 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6886 notes after the insn, and modify notes before the insn known
6887 to be the subsequent one.
6888 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6890 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6893 * config/i386/i386.c (ix86_expand_builtin): Use
6894 gen_sse3_monitor64 for TARGET_64BIT.
6896 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6898 PR rtl-optimization/26375
6899 PR rtl-optimization/26855
6900 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6902 (df_ru_bb_local_compute): Reversed statements and removed bogus
6903 comment explaining why they should be in wrong order.
6904 (df_ru_dump, df_rd_dump): Enhanced debug info.
6905 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6907 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6908 reaching uses and fixed space problem.
6910 2006-05-23 Jan Hubicka <jh@suse.cz>
6912 * cgraphunit.c (decide_is_function_needed): Also nested functions
6913 and functions declared inline can be optimized out at -O0.
6915 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6917 * doc/install.texi (Configuration): Remove reference to CrossGCC
6921 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6924 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6925 ix86_compare_emitted is non-NULL.
6927 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6930 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6933 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6935 PR rtl-optimization/25514
6936 * combine.c (replaced_rhs_insn): New variable.
6937 (combine_instructions): Set replaced_rhs_insn when trying to replace
6938 a SET_SRC with a REG_EQUAL note.
6939 (distribute_notes): Use replaced_rhs_insn when determining the live
6940 range of a REG_DEAD register.
6942 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6943 Anatoly Sokolov <aesok@post.ru>
6945 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6946 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6947 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6948 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6949 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6950 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6951 at90usb647, at90usb1286 and at90usb1287 devices.
6952 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6953 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6955 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6957 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6959 2006-05-22 Richard Guenther <rguenther@suse.de>
6962 2006-01-31 Richard Guenther <rguenther@suse.de>
6963 Paolo Bonzini <bonzini@gnu.org>
6965 * doc/install.texi (--disable-libgcc-math): Document.
6967 2006-05-22 Richard Guenther <rguenther@suse.de>
6970 2006-01-31 Richard Guenther <rguenther@suse.de>
6972 * doc/invoke.texi (-msselibm): Document.
6973 * target.h (expand_library_builtin): New target hook.
6974 * builtins.c (expand_builtin): Use expand_library_builtin.
6975 (default_expand_library_builtin): New function.
6976 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6977 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6978 (link_gcc_math_spec): Declare.
6979 (static_specs): Add link_gcc_math_spec.
6980 * expr.h (default_expand_library_builtin): Declare.
6981 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6982 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6983 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6984 * config/i386/i386.opt (msselibm): New target option.
6985 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6986 (ix86_init_sse_abi_builtins): New function.
6987 (ix86_expand_library_builtin): Likewise.
6988 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6989 (override_options): Handle error conditions wrt -msselibm.
6990 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6991 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6992 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6995 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6998 * c-common.c (self_promoting_args_p): Skip erroneous args.
7001 * c-decl.c (finish_struct): Skip erroneous fields.
7003 2006-05-22 Nick Clifton <nickc@redhat.com>
7005 * config/cris/cris.opt (march): Remove VarExists attribute.
7006 (max-stackframe=): Likewise.
7008 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7010 * doc/rtl.texi: Fix a typo.
7011 * see.c: Fix comment typos.
7013 * tree-ssa-structalias.h (alias_info): Remove num_references.
7015 2006-05-21 Mike Stump <mrs@apple.com>
7017 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
7019 (darwin_pragma_options): Use BAD instead.
7020 (darwin_pragma_unused): Likewise.
7021 (darwin_pragma_ms_struct): Likewise.
7023 2006-05-21 David Edelsohn <edelsohn@gnu.org>
7025 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
7027 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
7029 PR rtl-optimization/27671
7030 * simplify-rtx.c (simplify_relational_operation_1): Fix
7031 simplifications of (eq/ne (xor x y) y) and
7032 (eq/ne (xor x y) x).
7034 PR tree-optimization/26622.
7035 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
7038 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7040 * tree-cfg.c: Prune whitespace.
7041 (debug_tree_cfg): Point to correct header containing the
7044 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7047 * cgraphunit.c (verify_cgraph_node): Typo in error message.
7049 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
7052 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
7053 or sorry count is non zero.
7055 2006-05-20 Andreas Schwab <schwab@suse.de>
7057 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
7059 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
7060 Kenneth Zadeck <zadeck@naturalbridge.com>
7062 PR rtl-optimization/26855
7064 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
7066 (df_scan_alloc): Added code to properly handle multiword hard
7067 registers and add all_blocks parameter.
7068 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
7069 code to properly handle multiword hard registers.
7070 (df_rescan_blocks): Added code to remove deleted blocks from
7072 (df_ref_create_structure, df_ref_record): Added code to properly
7074 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
7075 and set DF_REF_PARTIAL.
7076 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
7077 (df_uses_record): Added DF_REF_PARTIAL for subreg.
7078 (df_scan_add_problem): Added flags parameter.
7079 (df_ref_create_structure): Changed switching structure.
7080 (df_bb_refs_record): Fixed case where duplicate artificial refs
7081 were created. Changed location of flags.
7082 (df_record_entry_block_defs): Added code to make stack pointer
7083 live in entry block. Refined cases where frame pointer is needed.
7084 Changed location of flags.
7085 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
7086 (df_set_state): Removed function.
7087 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
7088 df_insn_create_insn_record, df_insn_refs_delete,
7089 df_ref_create_structure): Formatting changes.
7090 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
7091 df_delete_basic_block): New function.
7092 (df_init): Changed location of flags.
7093 (df_add_problem): Added flags parameter and the way flags are
7095 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
7096 debug_df_chain): Improved debugging output.
7097 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
7098 (df_refs_chain_dump): Removed df parameter.
7099 (df_iterative_dataflow): Added consistency check.
7100 (df_prune_to_subcfg): Made public.
7101 (df_analyze_problem): Added blocks_to_init parameter and made
7103 (df_ref_record, df_bb_refs_record, df_mark_reg,
7104 df_record_exit_block_uses): Whitespace changes.
7105 (df_dump): Whitespace changes.
7106 * df.h: Some reordering to remove forward references.
7107 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
7108 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
7109 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
7110 (dataflow.flags): New field.
7111 (df.flag): Deleted field.
7112 (df_alloc_function): Added additional bitmap parameter.
7113 (df_dependent_problem_function): New type.
7114 (df_problem.changeable_flags): New field.
7115 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
7116 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
7117 (df_mw_hardreg): New struct.
7118 (DF_INSN_UID_MWS): New macro.
7119 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
7121 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
7122 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
7123 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
7124 (df_set_state): Removed function.
7125 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
7126 * df-problems.c (df_chain_dump): Removed df parameter.
7127 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
7128 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
7130 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
7131 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
7132 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
7133 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
7134 DF_REF_MUST_CLOBBER cases.
7135 (df_ru_bb_local_compute_process_def,
7136 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
7137 df_lr_bb_local_compute, df_ur_bb_local_compute,
7138 df_chain_create_bb): Made subreg aware.
7139 (df_ru_bb_local_compute, df_rd_bb_local_compute,
7140 df_lr_bb_local_compute, df_lr_bb_local_compute,
7141 df_chain_create_bb): Cleanup to use proper macros.
7142 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
7143 code to fixup bitvectors.
7144 (df_ri_alloc): Cleared lifetime.
7145 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
7146 df_create_unused_note): New function.
7147 (df_ri_bb_compute, df_ri_compute): Added code to create/update
7148 REG_DEAD and REG_UNUSED notes as well as register information.
7149 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
7150 df_chains_dump): Fixed crash if problem was never run.
7151 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
7152 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
7153 df_ri_add_problem): Processes flags in uniform manner.
7154 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
7155 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
7156 df_rd_dump, df_urec_free_bb_info): Formatting changes.
7157 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
7158 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
7159 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
7160 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
7161 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
7162 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
7163 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
7164 * see.c (see_initialize_data): Ditto.
7165 * final.c (rest_of_clean_state) Added regstack_completed.
7166 * rtl.h (regstack_completed): Ditto.
7167 * reg-stack.c (regstack_completed): Ditto.
7169 2006-05-19 Mike Stump <mrs@apple.com>
7171 * c-tree.h (default_conversion): Remove.
7172 * c-common.h (default_conversion): Add.
7174 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
7176 * tree-vrp.c (valid_value_p): New function.
7177 (adjust_range_with_scev): Fail if the value of bound is not
7180 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7182 * config/mips/linux-unwind.h: Include <asm/unistd.h>
7183 (mips_fallback_frame_state): Use syscall numbers to determine
7184 the appropriate li instruction for the current ABI. Only use
7185 __NR_sigreturn for o32.
7187 2006-05-19 Nicolas Setton <setton@adacore.com>
7189 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
7190 * langhooks.c (lhd_dwarf_name): New function.
7191 * langhooks-def.h (lhd_dwarf_name): Declare.
7192 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
7193 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
7194 * ada/misc.c (gnat_dwarf_name): New function.
7195 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
7197 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7199 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
7201 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
7202 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7203 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
7204 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
7205 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
7206 determine the size of Wtype, etc.
7207 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
7208 (swfloatfuncs): New variable.
7209 (dwfloatfuncs): Likewise.
7210 (lib2funcs): Remove floating-point conversion functions from
7211 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
7212 the set of conversion routines needed. Allow entries to specify
7213 an object name, filename and word size. Update users accordingly.
7214 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
7215 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
7219 2006-02-08 Roger Sayle <roger@eyesopen.com>
7222 * config/fixtfdi.c: New libgcc source file.
7223 * config/fixunstfdi.c: New source file.
7224 * config/floatditf.c: New source file.
7225 * config/floatunditf.c: New souce file.
7226 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7227 files above instead of config/mips/_tilib.c.
7228 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7230 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7232 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
7233 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
7235 2006-05-18 Mike Stump <mrs@apple.com>
7237 Fix up vla, vm and [*] sematics.
7243 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
7244 (c_vla_unspec_p): Add.
7245 (c_vla_type_p): Add.
7246 * c-decl.c (struct c_scope): Add had_vla_unspec.
7247 (build_array_declarator): Add support for [*].
7248 (grokdeclarator): Likewise.
7249 (grokparms): Likewise.
7250 (get_parm_info): Likewise.
7251 * c-objc-common.c (c_vla_unspec_p): Likewise.
7252 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
7253 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
7254 typeof when argument is a variably modified type not inside sizeof or alignof.
7255 (c_parser_direct_declarator_inner): Propagate errors.
7256 (c_parser_sizeof_expression): Add support for [*].
7257 (c_parser_parms_declarator): Initialize had_vla_unspec.
7258 (c_parser_parms_list_declarator): Likewise.
7259 * c-typeck.c (c_vla_type_p): Add.
7260 (composite_type): Add support for vla compositing.
7261 (comptypes_internal): Add support for vla compatibility.
7262 (c_expr_sizeof_expr): Evaluate vla arguments.
7263 * tree.c (variably_modified_type_p): Update comment for [*].
7265 2006-05-18 Michael Matz <matz@suse.de>
7268 * config.host: Make assignments to host_xmake_file cumulative.
7269 * config.host (*-darwin*): Test $host, not $target.
7271 2006-05-12 Stuart Hastings <stuart@apple.com>
7273 * config/i386/i386.opt (-mstackrealign): New flag.
7274 * config/i386/i386.c (force_align_arg_pointer): New attribute.
7275 (ix86_handle_cconv_attribute): Emit error when
7276 force_align_arg_pointer attribute collides with too many regparms.
7277 (ix86_function_regparm): Limit regparms when used with
7278 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
7279 Support stack-realigning prologue in non-main functions. Emit
7280 warning for nested functions under -mstackrealign, emit error for
7281 nested functions with force_align_arg_pointer attribute.
7282 * doc/extend.texi (force_align_arg_pointer): Document it.
7283 * doc/invoke.texi (-mstackrealign): Document it.
7285 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
7287 PR rtl-optimization/27477
7288 * combine.c (try_combine): Don't split a parallel consisting
7289 of two sets into two individual sets if both sets reference
7292 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
7294 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
7295 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
7297 * doc/options.texi (VarExists): Updated.
7299 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7301 * unwind-dw2.c: Add declarations for uw_update_context and
7303 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
7304 detected, advance frame state and context once to skip over stub.
7306 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7310 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
7311 Call rewrite_into_loop_closed_ssa only when something changed.
7312 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
7313 * lambda-code.c (can_convert_to_perfect_nest): Declared.
7314 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
7315 Test for perfect_nest_p here. Fix formating.
7316 (replace_uses_equiv_to_x_with_y): Fix formating.
7317 (stmt_uses_op): Removed.
7318 (can_convert_to_perfect_nest): Removed loopivs parameter.
7319 Complete the test by checking the scalar dependences.
7320 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
7323 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7326 From Dan Kegel <dank@kegel.com>:
7327 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
7329 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
7331 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
7332 if the element type is variably modified without recursing.
7334 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7337 * tree-loop-linear.c (try_interchange_loops): Test for
7338 no data dependences.
7340 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
7342 PR tree-optimization/27548
7343 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
7344 range of ssa names that appear on abnormal edges.
7345 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
7346 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
7348 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7351 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
7353 2006-05-17 Jakub Jelinek <jakub@redhat.com>
7356 * tree.h (OMP_PARALLEL_COMBINED): Define.
7357 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
7358 (new_omp_context): Add is_combined_parallel argument.
7359 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
7360 new_omp_context caller.
7361 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
7362 Adjust gimplify_scan_omp_clauses callers.
7363 (omp_is_private): Issue errors if iteration variable is firstprivate
7364 or reduction in the current context.
7365 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
7366 on combined parallel workshare constructs.
7368 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7370 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
7371 (gcc-options.o): New rule.
7373 * optc-gen.awk: Protect variables for gcc-options.o with
7374 #ifdef GCC_DRIVER/#endif.
7376 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
7378 Fix PR tree-optimization/27373
7379 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
7380 (forward_propagate_addr_expr): Update call.
7382 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7384 * doc/options.texi: Move the Negative option.
7386 2006-05-16 Richard Guenther <rguenther@suse.de>
7388 PR tree-optimization/22303
7389 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
7391 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
7392 ccp_fold did not simplify the statement.
7394 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7397 * Makefile.in (GCC_OBJS): New.
7398 (OBJS-common): Add opts-common.o.
7399 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7400 (cpp$(exeext)): Likewise.
7401 (gcc.o): Also depend on opts.h.
7402 (opts-common.o): New.
7404 * common.opt (gcoff): Add Negative(gdwarf-2).
7405 (gdwarf-2): Add Negative(gstabs).
7406 (gstabs): Add Negative(gstabs+).
7407 (gstabs+): Add Negative(gvms).
7408 (gvms): Add Negative(gxcoff).
7409 (gxcoff): Add Negative(gxcoff+).
7410 (gxcoff+): Add Negative(gcoff).
7411 * config/i386/i386.opt (m32): Add Negative(m64).
7412 (m64): Add Negative(m32).
7414 * doc/options.texi: Document the Negative option.
7416 * gcc.c: Include "opts.h".
7417 (main): Call prune_options after expandargv.
7419 * optc-gen.awk: Generate common declarations for all flag
7420 variables in options.c. Output the neg_index field.
7422 * opts.c (find_opt): Moved to ...
7423 * opts-common.c: Here. New file.
7425 * opts.h (cl_option): Add a neg_index field.
7427 (prune_options): Likewise.
7429 2006-05-16 Jakub Jelinek <jakub@redhat.com>
7432 * omp-low.c (expand_omp_parallel): Don't assert
7433 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
7434 instead search for it.
7437 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
7440 2006-05-16 Andreas Schwab <schwab@suse.de>
7442 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
7445 2006-05-15 Roger Sayle <roger@eyesopen.com>
7448 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
7449 integer constants other than zero are only legitimate on TARGET_64BIT.
7450 <CONST_VECTOR> Only zero vectors are legitimate.
7451 (ix86_cannot_force_const_mem): Integral and vector constants can
7452 always be put in the constant pool.
7454 2006-05-16 DJ Delorie <dj@redhat.com>
7456 * crtstuff.c (__dso_handle): Set section from
7457 TARGET_LBIGCC_SDATA_SECTION if defined.
7458 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
7459 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
7461 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
7464 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
7467 2006-05-16 Ben Elliston <bje@au.ibm.com>
7469 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
7471 2006-05-15 Per Bothner <per@bothner.com>
7473 * tree.c: (last_annotated_node): Use source_locus typedef.
7474 This permits bootstrapping with --enable-mapped-location.
7476 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
7478 PR tree-optimization/26830
7479 * tree-into-ssa.c (struct ssa_name_info): Add age field.
7480 (info_for_ssa_name, current_info_for_ssa_name_age,
7481 blocks_to_update): New variables.
7482 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
7483 (clear_ssa_name_info, initialize_flags_in_bb,
7484 mark_block_for_update): New functions.
7485 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
7486 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
7487 prepare_def_site_for): Use mark_block_for_update.
7488 (mark_def_interesting): Assert that the processed block is marked in
7489 blocks_to_update. Do not take blocks argument.
7490 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
7492 (rewrite_update_init_block, rewrite_update_stmt): Only process
7493 blocks with statements to rewrite.
7494 (delete_update_ssa): Do not clear SSA_NAME_AUX.
7495 (update_ssa): Initialize and free blocks_to_update. Do not
7496 clear flags on statements. Do not use blocks bitmap.
7497 * tree.h (SSA_NAME_AUX): Removed.
7498 (struct tree_ssa_name): Removed aux field.
7499 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
7501 2006-05-15 Richard Guenther <rguenther@suse.de>
7503 PR tree-optimization/27603
7504 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
7505 Do computations in original type.
7507 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
7509 * see.c: Code style changes such as redundant paranthesis,
7510 redundant intialization of local variables etc.
7511 (see_main): Declared now as static.
7512 * doc/invoke.texi: Update that -fsee is not enabled by
7515 2006-05-15 Jakub Jelinek <jakub@redhat.com>
7517 * omp-low.c (check_omp_nesting_restrictions): New function.
7518 (scan_omp_1): Call it.
7521 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
7522 construct, return *VAR.
7524 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
7526 PR rtl-optimization/27406
7527 * bt-load.c (migrate_btr_def): Skip the block having abnormal
7530 2006-05-14 Roger Sayle <roger@eyesopen.com>
7532 PR rtl-optimization/27538
7533 * combine.c (expand_compound_operation): Call gen_lowpart
7534 before calling simplify_shift_const.
7536 2006-05-14 Roger Sayle <roger@eyesopen.com>
7538 PR rtl-optimization/22563
7539 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
7540 a fixed width bitfield, always force the intermediates into psuedos.
7542 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
7545 * mkconfig.sh: Use operator = instead of == for test.
7547 2006-05-13 Nick Clifton <nickc@redhat.com>
7549 * dwarf2out.c (dbx_reg_number): Check return value from
7550 LEAF_REG_REMAP and only use it if it is valid.
7551 (multiple_reg_loc_descriptor): Likewise.
7553 2006-05-13 Richard Guenther <rguenther@suse.de>
7555 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
7558 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
7560 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
7561 information attached to non-INSNs such as NOTEs.
7562 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
7564 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
7566 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
7568 * config/s390/s390.md: Adjust comment describing On constraint.
7570 2006-05-11 Jan Hubicka <jh@suse.cz>
7572 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
7573 to be output at -O0.
7575 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7578 * fold-const.c (size_binop): Move sanity check for arguments to
7579 the beginning of the function.
7582 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
7585 2006-05-11 Richard Guenther <rguenther@suse.de>
7588 * fold-const.c (fold_unary): Handle intermediate conversion
7589 to a pointer type like intermediate conversion to an integer
7590 type in folding of (T1)(T2)var to var.
7591 Match the code to the comment in the final conversion for
7592 (T1)(T2)var to (T1)var regarding to type precision. Rather
7593 than disallow T1 being of pointer type, assert that both T1
7594 and var are of pointer type or not. Make sure not to fall
7595 over the frontends lazyness wrt array to pointer decay though.
7597 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
7599 * arm.c (arm_struct_value_rtx): Delete.
7600 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
7601 (arm_init_cumulative_args): Always initialize nregs to zero.
7603 2006-05-10 Richard Guenther <rguenther@suse.de>
7605 PR tree-optimization/27532
7606 * tree-object-size.c (plus_expr_object_size): Fix typo.
7608 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
7611 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
7612 ashrdi_const, ashrdi3): Use a scratch register.
7614 2006-05-10 Richard Guenther <rguenther@suse.de>
7616 PR tree-optimization/27302
7617 * fold-const.c (operand_equal_p): For two comparisons,
7618 try comparison of one comparison code swapped if that yields
7621 2006-05-10 Ben Elliston <bje@au.ibm.com>
7623 * tree-pretty-print.c (pretty_print_string): No need to handle
7624 '\0' as a special character.
7626 * tree.h: Include "hashtab.h".
7627 (iterative_hash_expr): Use hashval_t in its prototype.
7628 * Makefile.in (TREE_H): Add $(HASHTAB_H).
7630 2006-05-09 Steve Ellcey <sje@cup.hp.com>
7633 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
7634 (hppa*64*-*-hpux11*): Ditto.
7635 (hppa[12]*-*-hpux11*): Ditto.
7637 2006-05-09 David Edelsohn <edelsohn@gnu.org>
7640 * config/rs6000/aix41.h (TARGET_64BIT): Define.
7642 2006-05-09 Michael Matz <matz@suse.de>
7644 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
7645 host_extra_gcc_objs and host_xmake_file.
7646 (<*-*-linux*>): Don't overwrite host_xmake_file.
7647 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
7648 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
7649 (host_detect_local_cpu): Declare.
7650 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
7651 * config/i386/i386.c (override_options): Handle -mtune=native
7653 * config/i386/x-i386: New file.
7654 * config/i386/driver-i386.c: New file.
7655 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
7658 2006-05-09 Dirk Mueller <dmueller@suse.de>
7659 Richard Guenther <rguenther@suse.de>
7662 * fold-const.c (fold_read_from_constant_string): Relax check
7663 for matching types to matching modes.
7665 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
7667 PR rtl-optimization/27335
7668 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
7671 2006-05-08 Chao-ying Fu <fu@mips.com>
7672 Richard Sandiford <richard@codesourcery.com>
7674 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
7675 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
7676 * config/mips/mips.md (UNSPEC_SCC): New constant.
7677 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
7678 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
7679 (mips_emit_compare): Use it.
7680 (mips_expand_vcondv2sf): New function.
7682 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
7684 Fix PR tree-optimization/27093
7685 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
7686 renaming when they become not-used_alone.
7688 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7690 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
7691 relocation and relocation stubs.
7693 2006-05-08 Eric Christopher <echristo@apple.com>
7695 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
7698 2006-05-08 Jan Hubicka <jh@suse.cz>
7701 * cgraphunit.c (decide_is_function_needed): When not optimizing even
7702 unused static functions are needed.
7704 2006-05-08 Roger Sayle <roger@eyesopen.com>
7707 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7708 of a reg_equiv_constant if the result is a legitimate constant.
7710 2006-05-08 Uros Bizjak <uros@kss-loka.si>
7713 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7714 standard 80387 constants, raise the cost to prevent
7715 compress_float_constant() to generate load from memory.
7717 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7719 * config/arm/constraints.md (c): Fix a typo.
7721 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7724 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7727 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7729 (_mm_mwait): Likewise.
7731 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7733 (sse3_monitor): Make it 32bit only.
7734 (sse3_monitor64): New. 64bit monitor.
7736 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7739 * config/i386/i386.c (classify_argument): Skip fields with invalid
7742 2006-05-07 Richard Guenther <rguenther@suse.de>
7744 PR tree-optimization/27409
7745 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7746 Do not try to find zero-sized subvars.
7748 2006-05-07 Richard Guenther <rguenther@suse.de>
7750 PR tree-optimization/27136
7751 * tree-ssa-loop-niter.c (get_val_for): Correct function
7752 comment, assert requirements.
7753 (loop_niter_by_eval): Stop processing if the iterated
7754 value did not simplify.
7756 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
7758 * opts.c (flag_see): remove its setting at -O3.
7760 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
7762 * genpeep.c (main): Make insn-peep.c depend on flags.h.
7763 * arm/constraints.md: New file.
7764 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7765 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7766 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7767 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7768 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7769 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7770 * arm.md: Include constraints.md.
7771 (thumb_movsi_insn): Use satisfies_constraint_J.
7772 (movhi, movqi): Use satisfies_constraint_I.
7774 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7776 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7777 for atmeg a645 device.
7779 2006-05-06 Richard Guenther <rguenther@suse.de>
7781 PR tree-optimization/27151
7782 * tree-vect-transform.c (vectorizable_condition): Punt on
7783 values that have a different type than the condition.
7785 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7788 * c-parser.c (c_parser_cast_expression): Only insert casts into
7789 hash table if pointer.
7790 * function.c (used_types_insert_helper): Rename from
7792 (used_types_insert): Call used_types_insert_helper.
7793 * function.h (used_types_insert): Accept only one argument.
7795 2006-05-05 David Edelsohn <edesohn@gnu.org>
7797 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7798 scratch with output modifier.
7800 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7803 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7804 with output modifier.
7806 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7809 * config/mips/mips.c (mips_symbolic_address_p): Return true
7810 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7811 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7813 2006-05-04 Richard Guenther <rguenther@suse.de>
7815 PR tree-optimization/14287
7816 PR tree-optimization/14844
7817 PR tree-optimization/19792
7818 PR tree-optimization/21608
7819 PR tree-optimization/27090
7820 * tree-ssa-pre.c (try_combine_conversion): New function.
7821 (compute_avail): After constructing the value-handle
7822 expression, use try_combine_conversion to combine NOP_EXPRs
7823 with previous value-handle expressions and use the result if it
7826 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7828 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7830 2006-05-04 Jan Hubicka <jh@suse.cz>
7833 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7835 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7837 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7838 that this only matches CONST_INTs. All users changed to VOIDmode
7841 * config/bfin/bfin.c: Include "optabs.h".
7842 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7844 (enum bfin_builtins): Add a number of fractional and vector builtins.
7845 (bfin_init_builtins): Likewise.
7846 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7847 (safe_vector_operand, bfin_expand_binop_builtin,
7848 bfin_expand_unop_builtin): New functions.
7849 (bfin_expand_builtin): Handle the new builtins.
7850 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7853 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7856 * Makefile.in (OBJS-common): Add see.o.
7857 (see.o): Add dependencies.
7858 * common.opt (fsee): New flag for the see optimization was added.
7859 * opts.c (flag_see): Initialized.
7860 * passes.c (init_optimization_passes, pass_see): New pass.
7861 * rtl.h (see_main): Declaration as extern.
7862 * timevar.def (TV_SEE): New.
7863 * tree-pass.h (pass_see): Declaration as extern.
7864 * invoke.texi (-fsee): Document.
7865 * recog.c (validate_simplify_insn): New function.
7866 * recog.h (validate_simplify_insn): Declaration as extern.
7867 * df-problems.c (df_chain_dump): Check for NULL.
7869 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7870 Daniel Berlin <dberlin@dberlin.org>
7872 * cfgrtl.c (insert_insn_bb_end_new): New function.
7873 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7875 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7877 * df.h (struct web_entry): Moved from web.c.
7878 (union_defs): Declaration as extern.
7879 (unionfind_root): Likewise.
7880 (unionfind_union): Likewise.
7881 * web.c (struct web_entry): Moved to df.h.
7882 (unionfind_root): Remove static declaration.
7883 (unionfind_union): Likewise.
7884 (union_defs): Likewise and generalize to use callback function.
7885 (web_main): Update arguments for union_defs function call.
7887 2006-05-04 Richard Guenther <rguenther@suse.de>
7889 PR tree-optimization/26447
7890 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7891 produce SSA_NAME copies before the store stmt to avoid
7892 breaking exception handling.
7894 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7897 * gimplify.c (omp_is_private): If var is shared in some outer context,
7898 return false instead of true. Stop searching on parallel context
7901 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7904 * coverage.c: Use get_gcov_unsigned_t() instead of
7905 unsigned_type_node all over.
7907 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7909 PR tree-optimization/27381
7910 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7911 maintain the same immediate_use links.
7912 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7913 node rather than segfaulting.
7915 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7918 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7919 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7920 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7922 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7924 Fix PR tree-optimization/26626
7925 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7927 * tree-ssa-operands.c (access_can_touch_variable): Allow
7928 typecasting through union pointers.
7930 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7933 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7934 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7935 to find if var will be a global variable even in the nested context.
7936 (omp_copy_decl): Only check for global variable at the end, it might
7937 be overridden in outer contexts.
7938 (scan_sharing_clauses): For global variables don't create a field.
7939 (lower_rec_input_clauses): Do nothing for global shared variables.
7940 Emit a barrier at the end of ILIST if there were any decls in both
7941 firstprivate and lastprivate clauses.
7942 (lower_send_clauses): Do nothing for global variables except for
7945 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7947 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7948 of the correct signedness is returned.
7950 2006-05-02 Jeff Law <law@redhat.com>
7952 PR tree-optimization/27364
7953 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7954 multiply expressions.
7956 2006-05-02 Tom Tromey <tromey@redhat.com>
7958 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7960 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7963 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7964 -mthumb -fPIC are used.
7966 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7967 Joshua Kinard <kumba@gentoo.org>
7970 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7971 with 64-bit pointers.
7973 2006-05-02 Paul Brook <paul@codesourcery.com>
7975 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7977 (create_fix_barrier): Check that a suitable barrier location is
7979 (arm_reorg): Include ftmp->address in allowable range of addresses.
7981 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7984 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7987 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7990 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7991 around RESULT_DECL for result passed by reference.
7992 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7993 * omp-low.c (use_pointer_for_field): Don't look at
7994 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7995 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7996 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7997 time or var for passing by reference for
7998 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7999 TREE_ADDRESSABLE variables when passing by reference.
8001 * omp-low.c (dump_omp_region): Fix output formatting.
8004 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
8005 (expand_omp_parallel): Likewise.
8006 * tree-cfg.c (move_sese_region_to_fn): Likewise.
8009 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
8010 on statement list containing also constructors and destructors.
8011 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
8014 * except.c (duplicate_eh_regions): Fix clearing of
8015 cfun->eh->region_array entries.
8017 2006-05-01 DJ Delorie <dj@redhat.com>
8019 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
8021 (gcc_cv_objdump): Likewise.
8022 * configure: Regenerated.
8024 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
8027 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
8028 templates for case 3 and 4.
8030 2006-05-01 DJ Delorie <dj@redhat.com>
8032 * vec.c: Include bconfig.h when appropriate.
8033 * Makefile.in (build/vec.o): Adjust dependencies.
8034 * mkconfig.sh: Make sure config.h isn't used for build machine
8037 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8039 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
8041 (mark_phi_for_rewrite): New function.
8042 (insert_phi_nodes_for, mark_use_interesting): Call
8043 mark_phi_for_rewrite.
8044 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
8045 (update_ssa): Initialize and free phis_to_rewrite.
8047 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8049 PR rtl-optimization/27291
8050 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
8051 folded to a constant.
8053 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8055 PR tree-optimization/27283
8056 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
8057 not whole # of iteration descriptions.
8058 (niter_for_exit): Return just # of iterations. Fail if # of iterations
8059 uses abnormal ssa name.
8060 (niter_for_single_dom_exit): Ditto.
8061 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
8062 return just the number of iterations.
8064 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8066 PR tree-optimization/27144
8067 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
8068 (record_estimate): Only record constant upper bound.
8069 (infer_loop_bounds_from_undefined): Call
8070 compute_estimated_nb_iterations just once.
8071 (proved_non_wrapping_p): Renamed to ...
8072 (n_of_executions_at_most): ... this. Expect bound to be a constant.
8073 (convert_step_widening, scev_probably_wraps_p): Call
8074 n_of_executions_at_most instead of proved_non_wrapping_p.
8075 (substitute_in_loop_info): Do not replace values in bounds.
8076 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
8079 2006-05-01 Richard Henderson <rth@redhat.com>
8082 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
8083 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
8086 2006-05-01 Roger Sayle <roger@eyesopen.com>
8088 * c-typeck.c (parser_build_binary_op): Don't call the function
8089 unsigned_conversion_warning to spot operand/result type overflow.
8090 (build_binary_op): Instead, call convert_and_check instead of
8091 convert to report the problem when the operands are promoted.
8092 * c-common.c (unsigned_conversion_warning): Make static.
8093 * c-common.h (unsigned_conversion_warning): Delete prototype.
8095 2006-05-01 Richard Guenther <rguenther@suse.de>
8097 PR tree-optimization/26726
8098 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
8100 (find_interesting_uses_address): ... we work around here
8101 by folding INDIRECT_REFs in the substituted base.
8103 2006-05-01 Diego Novillo <dnovillo@redhat.com>
8105 * omp-low.c (dump_omp_region): Add newlines.
8107 2006-04-30 Roger Sayle <roger@eyesopen.com>
8109 * common.opt (Woverflow): New command line option.
8110 * c-common.c (constant_expression_warning): Check warn_overflow.
8111 (overflow_waring): Pass OPT_Woverflow to warning.
8112 (unsigned_conversion_warning): Likewise.
8113 (convert_and_check): Likewise.
8114 * doc/invoke.texi: Document new command line option.
8116 2006-04-30 David Edelsohn <edelsohn@gnu.org>
8118 * config/rs6000/rs6000.c (rs6000_override_options): Enable
8119 TARGET_NO_FP_IN_TOC for section anchors.
8120 (optimization_options): Enable section anchors for all
8121 non-"Objective" languages.
8123 2006-04-28 Eric Christopher <echristo@apple.com>
8125 * config/darwin-c.c (darwin_ms_struct): Move this
8126 (darwin_set_default_type_attributes): and this...
8127 * config/darwin.c: ... here.
8128 * config/darwin.h (darwin_ms_struct): Declare.
8130 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
8132 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
8134 2006-04-28 Roger Sayle <roger@eyesopen.com>
8137 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
8138 (push_array_bounds): Delete prototype. Change BOUNDS argument to
8139 an unsigned HOST_WIDE_INT.
8140 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
8142 (really_start_incremental_init): No need to call convert because
8143 bitsize_zero_node is already of type bitsizetype.
8144 (push_init_level): Extract the value of constructor_index as an
8145 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
8146 (process_init_element): Likewise.
8148 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
8150 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
8151 value before passing to make_relative_prefix.
8153 2006-04-28 Alan Modra <amodra@bigpond.net.au>
8156 * builtins.c (expand_builtin_memset): Expand val in original mode.
8158 2006-04-27 Eric Christopher <echristo@apple.com>
8160 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
8161 with #ifndef/#endif.
8162 * config/darwin-c.c (darwin_ms_struct): New.
8163 (darwin_pragma_ms_struct): Ditto.
8164 (darwin_set_default_type_attributes): Ditto.
8165 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
8166 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
8167 Register ms_struct pragma.
8168 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
8169 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
8170 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
8171 darwin_set_default_type_attributes if TARGET_MACHO.
8173 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
8175 PR tree-optimization/26854
8176 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
8177 * doc/tree-ssa.texi: Update immuse iterator documentation.
8178 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
8179 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
8180 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
8181 first_safe_imm_use, next_safe_imm_use): Remove.
8182 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
8183 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
8184 (move_use_after_head): New. Helper function to sort immuses in a stmt.
8185 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
8186 (first_imm_use_stmt): New. Get first stmt in an immuse list.
8187 (next_imm_use_stmt): New. Get next stmt in an immuse list.
8188 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
8189 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
8190 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
8191 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
8192 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
8193 (perfect_nestify): Use new iterator.
8194 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
8196 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
8197 (next_imm_name): New field in struct immediate_use_iterator_d.
8198 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
8199 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
8200 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
8201 * tree-cfg.c (replace_uses_by): Use new iterator.
8202 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
8203 * tree-ssa-operands.c (correct_use_link): Remove.
8204 (finalize_ssa_use_ops): No longer call correct_use_link.
8206 2006-04-27 Stuart Hastings <stuart@apple.com>
8208 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
8209 * config/t-darwin (crt3.o): Use it.
8210 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
8211 'pmode', use Pmode instead of SImode for SYMBOL_REF.
8212 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
8213 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
8214 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
8217 2006-04-27 Roger Sayle <roger@eyesopen.com>
8219 * expmed.c (store_fixed_bit_field): If we're not optimizing for
8220 size, force the intermediate into a new pseudo rather instead of
8221 performing both a bitwise AND and a bitwise IOR in memory.
8223 2006-04-27 Richard Guenther <rguenther@suse.de>
8225 PR rtl-optimization/26685
8226 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
8227 this one "max-flow-memory-locations".
8229 2006-04-27 Richard Guenther <rguenther@suse.de>
8231 PR tree-optimization/25148
8232 * tree-vrp.c (compare_values): Remove code dealing with
8233 comparisons against type min/max value. Honour overflow
8234 and negative constants in code dealing with comparisons
8235 of plus and minus expressions.
8236 (value_inside_range): Use fold_binary with LE_EXPR and
8237 GE_EXPR rather than compare_values.
8239 2006-04-27 Dirk Mueller <dmueller@suse.de>
8241 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
8244 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
8246 * basic-block.h (safe_insert_insn_on_edge): Removed.
8247 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
8249 2006-04-26 David Edelsohn <edelsohn@gnu.org>
8250 Paolo Bonzini <bonzini@gnu.org>
8253 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
8254 (simplify_and_const_int): Same.
8256 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
8258 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
8260 2006-04-26 Jakub Jelinek <jakub@redhat.com>
8263 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
8264 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
8265 cgraph_global_info_ready.
8268 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
8271 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
8272 either decl or init is error_mark_node.
8275 * tree-flow.h (struct omp_region): Add sched_kind.
8276 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
8277 instead of extracting omp for data.
8278 (expand_omp_for): Save extracted sched_kind.
8280 2006-04-25 Roger Sayle <roger@eyesopen.com>
8282 * expmed.c (store_bit_field): Also check whether the bitsize is
8283 valid for the machine's "insv" instruction before moving the
8284 target into a pseudo for use with the insv.
8285 * config/i386/predicates.md (const8_operand): New predicate.
8286 * config/i386/i386.md (extv, extzv, insv): Use the new
8287 const8_operand predicate where appropriate.
8289 2006-04-25 DJ Delorie <dj@redhat.com>
8291 * doc/install.texi (Specific): Clarify that this is not a list of
8292 supported hosts or targets.
8294 2006-04-25 Richard Sandiford <richard@codesourcery.com>
8296 PR rtl-optimization/26725
8297 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
8298 block's BB_DIRTY flag.
8300 2006-04-25 Geoffrey Keating <geoffk@apple.com>
8302 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
8305 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
8306 to print an integer.
8308 2006-04-25 David Edelsohn <edelsohn@gnu.org>
8310 * varasm.c (align_variable): New function.
8311 (get_block_for_decl): Apply align_variable to DECL before
8312 calculating section information.
8313 (assemble_variable): Split out alignment computation.
8315 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
8317 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
8320 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
8322 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
8323 MODE_PARTIAL_INT mode.
8324 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
8325 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
8327 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
8328 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
8330 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
8332 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
8334 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
8335 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
8336 MACFLAG_IH): Likewise.
8337 (movstricthi_1): Renamed from "*movstricthi".
8338 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
8339 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
8340 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
8341 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
8342 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
8343 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
8344 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
8345 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
8346 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
8347 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
8348 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
8349 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
8350 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
8351 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
8352 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
8354 * doc/rtl.texi (ss_ashift): Improve wording.
8356 2006-04-24 Geoffrey Keating <geoffk@apple.com>
8358 * dwarf2out.c (verify_marks_clear): New.
8359 (prune_unused_types): Call verify_marks_clear initially, not
8362 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
8364 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
8365 * doc/rtl.texi: Document them.
8366 * simplify-rtx.c (simplify_unary_operation,
8367 simplify_binary_operation_1): Don't abort when we see them.
8369 2006-04-24 Mark Mitchell <mark@codesourcery.com>
8372 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8373 * configure.ac: Completely disregard languages that are not
8375 * configure: Regenerated.
8377 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8378 Richard Guenther <rguenther@suse.de>
8380 PR tree-optimization/27236
8381 * tree-inline.c (copy_body_r): Make sure to copy
8382 TREE_THIS_VOLATILE flag.
8384 2006-04-24 Richard Guenther <rguenther@suse.de>
8387 * tree-complex.c (update_parameter_components): Don't handle
8388 unused parameters which have no default def.
8390 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8391 Richard Guenther <rguenther@suse.de>
8393 PR tree-optimization/27218
8394 * tree-inline.c (expand_call_inline): Strip useless type
8395 conversions for the return slot address.
8397 2006-04-24 Richard Guenther <rguenther@suse.de>
8399 * cfgloop.h (struct loops): Remove unused field array. Reorder
8401 (LOOP_PREFETCH): Remove.
8403 2006-04-24 Richard Guenther <rguenther@suse.de>
8405 PR tree-optimization/22525
8406 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
8407 variable, adjust types of generated expressions.
8409 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
8411 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
8412 (tree-vect-patterns.o): Likewise.
8414 (cselib.o): Likewise.
8415 (loop-doloop.o): Likewise.
8416 (regclass.o): Likewise.
8417 (reload1.o): Likewise.
8418 (explow.o): Replace target.h with $(TARGET_H).
8419 (ipa-prop.o): Likewise.
8420 (ipa-cp.o): Likewise.
8421 (ipa-inline.o): Likewise.
8422 (reorg.o): Likewise.
8423 (reg-stack.o): Likewise.
8425 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8427 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
8429 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8431 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
8433 * configure.ac: Completely disregard languages that are not
8435 * configure: Regenerated.
8438 * c-common.h (c_build_bitfield_integer_type): Declare.
8439 * c-decl.c (c_build_bitfield_integer_type): Move to ...
8440 * c-common.c (c_build_bitfield_integer_type): ... here.
8442 2006-04-23 Roger Sayle <roger@eyesopen.com>
8445 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
8446 a SImode SUBREG of a floating point register after no_new_pseudos.
8448 2006-04-23 Roger Sayle <roger@eyesopen.com>
8450 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
8451 identify potentially eliminable registers to additionally catch
8452 VIRTUAL_INCOMING_ARGS_REGNUM.
8453 (addsi3): Update the conditions on when to use addsi_small_int.
8455 2006-04-23 Roger Sayle <roger@eyesopen.com>
8458 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
8459 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
8460 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
8462 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8464 * fold-const.c (range_predecessor): Use operand_equal_p
8465 as the predicate for equality.
8466 (range_successor): Likewise.
8468 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8471 * config/soft-fp/op-common.h: Fix a typo.
8473 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
8476 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
8477 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
8479 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8481 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
8483 * doc/tm.texi: Fix a typo.
8485 2006-04-21 Geoffrey Keating <geoffk@apple.com>
8487 * dwarf2out.c (struct die_struct): Document that die_sib makes
8488 a circular linked list.
8489 (FOR_EACH_CHILD): New.
8490 (reverse_die_lists): Delete.
8491 (reverse_all_dies): Delete.
8492 (add_dwarf_attr): Correct documentation.
8493 (remove_child_with_prev): New.
8494 (remove_child_TAG): Update for change to die_struct, use
8495 remove_child_with_prev.
8496 (add_child_die): Update for change to die_struct.
8497 (splice_child_die): Use remove_child_with_prev and add_child_die.
8498 (print_die): Use FOR_EACH_CHILD.
8499 (die_checksum): Likewise.
8500 (assign_symbol_names): Likewise.
8501 (output_location_lists): Likewise.
8502 (build_abbrev_table): Likewise.
8503 (calc_die_sizes): Likewise.
8504 (mark_dies): Likewise.
8505 (unmark_dies): Likewise.
8506 (unmark_all_dies): Likewise.
8507 (output_die): Likewise.
8508 (prune_unused_types_mark): Likewise.
8509 (prune_unused_types_walk): Likewise.
8510 (same_die_p): Update for change to die_struct.
8511 (break_out_includes): Likewise.
8512 (prune_unused_types_prune): Likewise.
8513 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
8514 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
8516 (dwarf2out_finish): Don't call reverse_all_dies.
8518 2006-04-21 Eric Christopher <echristo@apple.com>
8520 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
8521 in comments and function names.
8523 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8526 * c-typeck.c (digest_init): Robustify.
8528 * c-typeck.c (pop_init_level): Simplify.
8530 2006-04-21 Steve Ellcey <sje@cup.hp.com>
8532 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
8534 2006-04-21 Paul Brook <paul@codesourcery.com>
8536 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
8537 hardware floating point.
8539 2006-04-21 David Edelsohn <edelsohn@gnu.org>
8541 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
8544 2006-04-21 Nick Clifton <nickc@redhat.com>
8546 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
8549 2006-04-21 Alan Modra <amodra@bigpond.net.au>
8552 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
8553 C++ lang type in traceback table for Objective-C++.
8555 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
8557 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
8559 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
8561 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8564 * tree-mudflap.c (mudflap_finish_file): Skip function when there
8565 were errors. Remove check for erroneous objects.
8567 2006-04-20 Jeff Law <law@redhat.com>
8569 PR tree-optimization/26854
8570 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
8571 checking for zero or one use.
8572 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
8573 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
8574 * tree-ssa-reassoc.c (negate_value): Similarly.
8575 (reassociate_bb): Similarly.
8577 2006-04-20 Jakub Jelinek <jakub@redhat.com>
8579 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
8580 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
8581 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
8583 2006-04-20 Alan Modra <amodra@bigpond.net.au>
8585 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
8586 fp regs if the last fp arg doesn't fit in regs.
8588 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
8591 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
8592 that the last insn has the REG_INC note.
8594 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
8595 Nathan Sidwell <nathan@codesourcery.com>
8598 * stor-layout.c (update_alignment_for_field): Do not align
8600 (place_union_field): Place union field at the start of the union.
8601 (place_field): Move ERROR_MARK check later, and use the current
8602 allocation position to maintain monotonicity.
8604 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
8606 * dominance.c: Include timevar.h.
8607 (calculate_dominance_info): Use TV_DOMINANCE.
8608 * timevar.def (TV_DOMINANCE): New timevar.
8609 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
8611 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8613 PR rtl-optimization/14261
8614 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
8615 move would be an INSV insn.
8616 (noce_process_if_block): Don't optimize if the destination is a
8617 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
8619 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8621 * config/s390/s390.md: Add comments with the instructions emitted
8622 by an insn pattern if macros are used.
8624 2006-04-19 Alan Modra <amodra@bigpond.net.au>
8626 PR rtl-optimization/26026
8627 * fold-const.c (fold_binary): Optimize div and mod where the divisor
8628 is a known power of two shifted left a variable amount.
8630 2006-04-18 Geoffrey Keating <geoffk@apple.com>
8632 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
8633 to hash table twice when the debug_str section has SECTION_MERGE.
8635 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
8637 * config/soft-fp: New directory. From glibc.
8638 * config/soft-fp/t-softfp: New.
8639 * config/soft-fp/README: New.
8640 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
8641 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
8642 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
8643 (LIBGCC_DEPS): Add $(SFP_MACHINE).
8644 * config.gcc: Use rs6000/t-fprules-fpbit or
8645 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
8647 * config/rs6000/sfp-machine.h: New. Based on glibc.
8648 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
8650 * config/rs6000/t-fprules: Remove fp-bit rules.
8651 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
8652 * config/rs6000/t-linux64: Likewise. Remove duplicates from
8653 LIB2FUNCS_EXTRA. Remove fp-bit rules.
8654 (softfp_wrap_start, softfp_wrap_end): New.
8656 2006-04-18 DJ Delorie <dj@redhat.com>
8658 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
8660 2006-04-18 Devang Patel <dpatel@apple.com>
8662 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
8664 2006-04-18 Nick Clifton <nickc@redhat.com>
8666 * config/sh/t-symbian: Add rule to build sh-c.o
8667 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
8668 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
8669 (sh_symbian_encode_section_info): Likewise.
8671 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
8673 * builtins.c (expand_builtin_strcmp): Cover label definition of
8674 do_libcall with HAVE_cmpstrnsi.
8676 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
8678 * function.c (temp_slots_at_level, max_slot_level): Use VEC
8680 * function.h (temp_slot_p): New.
8681 (function): Change the type of x_used_temp_slots to
8682 VEC(temp_slot_p,gc) *.
8684 2006-04-18 Nick Clifton <nickc@redhat.com>
8686 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
8687 flag_strength_reduce.
8689 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
8691 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8695 Partial revert of revision 112637
8696 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8697 Dale Johannesen <dalej@apple.com>
8700 * regclass.c (struct reg_pref): Update documentation.
8701 (regclass): Set prefclass to NO_REGS if memory is the best option.
8702 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8704 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8706 PR tree-optimization/26821
8707 * tree-ssa-math-opts.c (get_constant_one): New.
8708 (insert_reciprocals): Use it.
8710 2006-04-17 Geoffrey Keating <geoffk@apple.com>
8712 * dwarf2out.c (free_AT): Delete.
8713 (remove_AT): Update string ref counts.
8714 (remove_child_TAG): Don't call free_die.
8716 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8717 or DW_TAG_GNU_EINCL.
8718 (prune_unused_types_walk_attribs): Reset string refcounts.
8719 (prune_unused_types_update_strings): New.
8720 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8721 call free_die. Do call prune_unused_types_update_strings.
8722 (prune_unused_types): Empty debug_str_hash.
8724 2006-04-17 Roger Sayle <roger@eyesopen.com>
8726 * expr.c (expand_assignment): Optimize away no-op moves where the
8727 source and destination are equal and have no side-effects.
8729 2006-04-17 Richard Guenther <rguenther@suse.de>
8732 * reload.c (push_reload): Guard calls to get_secondary_mem
8735 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
8737 * alias.c (reg_base_value, old_reg_base_value): Change the
8738 type to VEC(rtx,gc) *.
8739 (REG_BASE_VALUE, find_base_value, record_set,
8740 init_alias_analysis): Use VEC instead of VARRAY.
8742 * alias.c (alias_sets): Change the type to
8743 VEC(alias_set_entry,gc) *.
8744 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8745 VEC instead of VARRAY.
8746 (last_alias_set): Remove.
8748 * cgraph.h (cgraph_edge_p): New.
8749 Update the prototype of cgraph_function_versioning.
8750 * cgraphunit.c (cgraph_copy_node_for_versioning,
8751 cgraph_function_versioning): Use VEC instead of VARRAY.
8752 * ipa-cp.c (ipcp_insert_stage): Likewise.
8754 2006-04-16 Roger Sayle <roger@eyesopen.com>
8757 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8758 "A op B" or "A op C", we may need to convert A to the type of B and C.
8760 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
8762 * target.h (struct gcc_target): Add mode_rep_extended.
8763 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8764 (init_num_sign_bit_copies_in_rep): Initialize it using
8766 (truncate_to_mode): Use it.
8767 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8768 * targhooks.h (default_mode_rep_extended): Declare it.
8769 * targhooks.c (default_mode_rep_extended): Define it.
8770 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8771 default_mode_rep_extended.
8772 (TARGET_INITIALIZER): Include it.
8773 * doc/tm.texi (Misc): Document it.
8774 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8775 (mips_truncated_to_mode): New function.
8777 2006-04-16 Roger Sayle <roger@eyesopen.com>
8780 * expr.c (compress_float_constant): Copy the narrow constant into
8781 a new pseudo before extending it to its final width.
8783 2006-04-16 Roger Sayle <roger@eyesopen.com>
8784 Andrew Pinski <pinskia@gcc.gnu.org>
8785 Dale Johannesen <dalej@apple.com>
8788 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8789 special case code to implement V8HImode and V16QImode with SSE2.
8791 2006-04-15 Roger Sayle <roger@eyesopen.com>
8793 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8794 trees are constructed with a suitable tree type.
8796 2006-04-15 Roger Sayle <roger@eyesopen.com>
8798 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8799 (integer_onep): Likewise.
8800 (integer_all_onesp): Likewise.
8801 (integer_pow2p): Likewise.
8802 (integer_nonzerop): Likewise.
8803 (real_zerop): Likewise.
8804 (real_onep): Likewise.
8805 (real_twop): Likewise.
8806 (real_minus_onep): Likewise.
8807 (int_size_in_bytes): Likewise.
8808 (host_integerp): Likewise.
8810 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8812 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8813 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8814 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8816 * tree-ssa-structalias.h (alias_info): Remove num_references.
8818 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8820 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8821 (output_bvb patterns): Likewise.
8822 * pa.c (output_bb): Use 'bb' insn for long branch case.
8823 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8824 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8825 1. Correct length operand for alternatives 1 and 2.
8826 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8827 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8829 2006-04-14 Roger Sayle <roger@eyesopen.com>
8831 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8832 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8833 were accidentally reverted by r112959.
8835 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8838 * except.h (eh_region_outermost): New prototype.
8839 * except.c (eh_region_outermost): New function.
8840 * tree-cfg.c (find_outermost_region_in_block): Use it.
8842 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8844 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8846 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8847 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8848 (init_reload, reload): Use VEC instead of VARRAY.
8849 * reload.h: Update the prototype for
8850 reg_equiv_memory_loc_varray.
8852 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8853 Eric Botcazou <ebotcazou@libertysurf.fr>
8855 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8858 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8861 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8862 to expand fallback builtin function call.
8864 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8867 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8868 and emit libcall here in case the builtin fails.
8869 (expand_builtin_strcmp): Always emit the libcall here on failure.
8871 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8873 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8874 * flow.c (reg_n_info): Change the type to
8875 VEC(reg_info_p,heap) *.
8876 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8878 * regs.h (reg_info_p): New.
8879 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8880 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8881 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8884 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8886 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8888 * params.h (MAX_SCHED_READY_INSNS): New macro.
8889 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8890 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8891 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8892 the ready list for 1 cycle during the first scheduling pass.
8893 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8895 2006-04-13 Richard Henderson <rth@redhat.com>
8898 * gimple-low.c (lower_omp_directive): Remove dead code.
8899 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8900 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8901 * omp-low.c (struct omp_region): Move to tree-flow.h.
8902 (root_omp_region): Export.
8903 (omp_regions, lookup_omp_region): Remove.
8904 (determine_parallel_type): Update for struct omp_region changes.
8905 (dump_omp_region): Dump regions with block numbers.
8906 (new_omp_region): Take type and block instead of stmt; malloc
8908 (free_omp_region_1, free_omp_regions): New.
8909 (expand_parallel_call): Take entry_stmt as argument; update for
8910 changes to omp_region.
8911 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8912 (remove_exit_barriers): New.
8913 (expand_omp_parallel): Update for struct omp_region changes.
8914 (expand_omp_synch): Likewise.
8915 (expand_omp): Likewise.
8916 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8917 (expand_omp_for_static_chunk): Likewise.
8918 (expand_omp_for): Likewise.
8919 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8920 (expand_omp_sections): Similarly, with GOMP_sections_end.
8921 (expand_omp_single): New.
8922 (build_omp_regions_1): Update for OMP_CONTINUE.
8923 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8924 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8925 OMP_SECTIONS_SECTIONS.
8926 (lower_omp_single_simple): Don't emit barrier here.
8927 (lower_omp_single_copy): Likewise.
8928 (lower_omp_single): Fix bindings, and lower to straightline now.
8929 (lower_omp_master, lower_omp_ordered): Likewise.
8930 (lower_omp_critical): Likewise.
8931 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8932 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8933 omp edges, free it afterward.
8934 (make_omp_sections_edges): Remove.
8935 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8936 (move_stmt_r): Handle OMP_CONTINUE.
8937 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8938 statement pointers to basic blocks. Add type member.
8939 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8940 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8941 * tree-inline.c (estimate_num_insns_1): Likewise.
8942 * tree-pretty-print.c (dump_generic_node): Likewise.
8943 * tree-ssa-operands.c (get_expr_operands): Likewise.
8944 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8945 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8946 (OMP_CONTINUE): New.
8947 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8948 (OMP_SECTIONS_SECTIONS): Remove.
8949 (OMP_SECTION_LAST): New.
8950 (OMP_RETURN_NOWAIT): New.
8952 2006-04-13 Roger Sayle <roger@eyesopen.com>
8954 * fold-const.c (native_encode_vector, native_interpret_real):
8955 Correct obvious mistakes in the previous check-in.
8957 2006-04-13 Roger Sayle <roger@eyesopen.com>
8959 * fold-const.c (native_encode_expr): New function to encode
8960 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8961 or VECTOR_CST into a specified buffer.
8962 (native_encode_int): New function.
8963 (native_encode_real): New function.
8964 (native_encode_complex): New function.
8965 (native_encode_vector): New function.
8966 (native_interpret_expr): Inverse of native_encode_expr to convert
8967 a target representation into an INTEGER_CST, REAL_CST etc...
8968 (native_interpret_int): New function.
8969 (native_interpret_real): New function.
8970 (native_interpret_complex): New function.
8971 (native_interpret_vector): New function.
8972 (fold_view_convert_expr): New function to constant fold/evaluate
8973 a VIEW_CONVERT_EXPR of a suitable constant expression.
8974 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8975 Change call of build1 to fold_build1 when constructing a
8978 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8979 Ulrich Weigand <uweigand@de.ibm.com>
8982 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8985 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8988 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8989 optimize to lo_sum for DFmode if !TARGET_FPRS.
8991 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8993 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8994 delete_alias_info, compute_flow_sensitive_aliasing,
8995 group_aliases): Use VEC instead of VARRAY.
8996 * tree-ssa-structalias.c (update_alias_info): Likewise.
8997 * tree-ssa-structalias.h (alias_info): Change the type of
8998 processed_ptrs to VEC(tree,heap) *.
9000 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
9003 * config/sh/lib1funcs.h: New file, broken out of:
9004 * config/sh/lib1funcs.asm.
9005 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
9007 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
9008 * config/sh/lib1funcs-Os-4-200.asm: New file.
9009 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
9010 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
9011 (EXTRA_MULTILIB_PARTS): Include it.
9012 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
9013 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
9014 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
9015 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
9018 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9020 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
9021 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
9022 tpa_compact, root_var_init, type_var_init): Use VEC instead of
9024 * tree-ssa-live.h: Include vecprim.h.
9025 (tree_partition_associator_d): Change the type of
9026 first_partition to VEC(int,heap) *.
9027 (tpa_first_partition): Use VEC instead of VARRAY.
9029 * Makefile.in (GTFILES): Move functions.h after tree.h.
9030 * function.c (reset_block_changes, record_block_change,
9031 check_block_change, free_block_changes): Use VEC instead of
9033 * function.h (function): Change the type of
9034 ib_boundaries_block to VEC(tree,gc) *.
9035 * tree-inline.c (copy_cfg_body): Initialize
9036 ib_boundaries_block to NULL instead of (varray_type) 0.
9038 2006-04-12 Roger Sayle <roger@eyesopen.com>
9040 * expr.c (emit_group_store): Correct operand order in call to
9041 subreg_lowpart_offset. Always create paradoxical SUBREGs with
9042 a SUBREG_BYTE of zero.
9044 2006-04-12 Richard Guenther <rguenther@suse.de>
9046 * profile.c (compute_branch_probabilities): Remove code
9047 encapsulated in !ir_type (), which are remanents of the
9048 removed RTL profiling code.
9049 * rtl-profile.c: Remove.
9051 2006-04-12 Alan Modra <amodra@bigpond.net.au>
9053 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
9054 magic NULL_RTX comment.
9055 (function_arg): Store entire fp arg to mem if any part should go
9057 (rs6000_arg_partial_bytes): Adjust for above change.
9059 2006-04-11 Roger Sayle <roger@eyesopen.com>
9061 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
9062 if it hasn't been initialized by dwarf2out_init.
9064 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
9066 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
9067 symbolic constants in branch patterns.
9069 2006-04-11 Roger Sayle <roger@eyesopen.com>
9071 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
9073 2006-04-11 Richard Sandiford <richard@codesourcery.com>
9075 PR rtl-optimization/27073
9076 * gcse.c (try_replace_reg): Revert last change. Continue to search
9077 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
9080 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9082 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
9083 aggregate types other than record and union types.
9084 (function_arg): Likewise.
9085 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
9087 (function_value): In 64-bit mode, return objects that require it
9090 2006-04-11 Roger Sayle <roger@eyesopen.com>
9092 * dwarf2out.c (premark_used_types): Remove problematic prototype.
9094 2006-04-11 Jakub Jelinek <jakub@redhat.com>
9096 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
9098 2006-04-03 Jeff Law <law@redhat.com>
9101 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
9102 alias information too.
9104 2006-04-10 Mike Frysinger <vapier@gentoo.org>
9106 * Makefile.in (gcc-cross): Add $(exeext) to target name.
9108 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
9111 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
9112 (premark_used_types_helper): New.
9113 (premark_used_types): New.
9114 (gen_subprogram_die): Call premark_used_types.
9115 (prune_unused_types_walk): Do not prune perennial dies.
9116 * function.c (used_types_insert): New.
9117 * function.h (struct function): Add used_types_hash field.
9118 (used_types_insert): Add prototype.
9119 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
9120 * c-parser.c (c_parser_cast_expression): Save casted types in used
9123 2006-04-11 Mark Mitchell <mark@codesourcery.com>
9126 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
9127 rs6000_explicit_options.float_gprs.
9129 2006-04-10 Roger Sayle <roger@eyesopen.com>
9131 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
9132 from ix86_expand_vector_init_low_nonzero. Take an additional
9133 one_var argument indicating which element is non-zero. Support
9134 one_var != 0 for V4SFmode and V4SImode by permuting the result.
9135 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
9136 with one_var instead of ix86_expand_vector_init_low_nonzero.
9138 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
9140 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
9141 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
9142 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
9143 build/genextract.o): Depend on vecprim.h.
9144 * cfglayout.c, df-problems.c, function.c, genextract.c,
9145 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
9146 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
9150 2006-04-10 Geoffrey Keating <geoffk@apple.com>
9152 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
9153 Declare VECs of this type.
9154 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
9155 (remove_children): Delete.
9156 (add_dwarf_attr): Use VEC routines.
9157 (add_AT_flag): Update for changes to add_dwarf_attr.
9158 (add_AT_int): Likewise.
9159 (add_AT_unsigned): Likewise.
9160 (add_AT_long_long): Likewise.
9161 (add_AT_vec): Likewise.
9162 (add_AT_string): Likewise.
9163 (add_AT_die_ref): Likewise.
9164 (add_AT_fde_ref): Likewise.
9165 (add_AT_loc): Likewise.
9166 (add_AT_loc_list): Likewise.
9167 (add_AT_addr): Likewise.
9168 (add_AT_lbl_id): Likewise.
9169 (add_AT_lineptr): Likewise.
9170 (add_AT_macptr): Likewise.
9171 (add_AT_offset): Likewise.
9172 (add_AT_range_list): Likewise.
9173 (get_AT): Use VEC_iterate.
9174 (remove_AT): Use VEC_ordered_remove.
9175 (free_die): Fold remove_children into here; have it use VEC_iterate.
9176 (print_die): Use VEC_iterate on attrs.
9177 (reverse_die_lists): Don't reverse attr lists.
9178 (die_checksum): Use VEC_iterate on attrs.
9179 (same_die_p): Likewise.
9180 (output_location_lists): Likewise.
9181 (build_abbrev_table): Likewise.
9182 (size_of_die): Likewise.
9183 (unmark_all_dies): Likewise.
9184 (output_abbrev_section): Likewise.
9185 (output_die): Likewise.
9186 (prune_unused_types_walk_attribs): Likewise.
9188 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9190 * doc/install.texi (*-*-solaris2*): Point to the configure page.
9192 2006-04-10 Jakub Jelinek <jakub@redhat.com>
9195 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
9197 2006-04-09 Roger Sayle <roger@eyesopen.com>
9199 * expr.c (store_constructor): Don't bother clearing target if
9200 we're about to assign a vector to it using vec_init_optab.
9202 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
9204 * tree-ssa-alias.c (lhs_may_store_to): New function.
9205 (recalculate_used_alone): Handle LHS of calls.
9207 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9211 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
9212 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
9213 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
9214 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
9215 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
9216 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
9217 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
9218 stubs. Add ".align 8" directives before all ".dword" directives.
9219 (GTHREAD_USE_WEAK): Revise comment.
9220 (TARGET_ATTRIBUTE_WEAK): Define.
9221 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
9222 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
9223 * stublib.c: New file.
9228 * pa.md (cbranch patterns): Revise arguments used in calls to
9229 output_cbranch, output_bb and output_bvd. Add long branch length
9231 (fbranch patterns): Handle long branches.
9232 (jump): Revise length check. Revise arguments for output_lbranch call.
9233 Add long branch length attributes.
9234 (decrement_and_branch_until_zero): Add long branch length attributes.
9235 (output_movb, output_parallel_addb and output_parallel_movb patterns):
9236 Likewise. Revise arguments for output_parallel_addb and
9237 output_parallel_movb calls.
9238 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
9239 output_parallel_movb and output_parallel_addb): Update prototypes.
9240 * pa.c (output_cbranch): Revise arguments. Correct handling of
9241 nullification in long branches.
9242 (output_lbranch): Add new argument to control extraction of delay
9244 (output_bb): Handle long branches.
9245 (output_bvb, output_dbra, output_movb, output_parallel_movb,
9246 output_parallel_addb): Likewise.
9248 2006-04-09 Richard Sandiford <richard@codesourcery.com>
9250 PR rtl-optimization/27073
9251 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
9254 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
9256 * tree.h (tree_memory_tag): Add old_used_alone.
9257 (SMT_OLD_USED_ALONE): New macro.
9258 * tree-ssa-alias.c (recalculate_used_alone): Stop
9259 marking things for renaming unnecessarily.
9261 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
9263 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
9264 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
9265 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
9266 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
9267 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
9268 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
9269 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
9270 spelling convensions.
9271 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
9272 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
9273 typos. Follow spelling conventions.
9275 2006-04-07 DJ Delorie <dj@redhat.com>
9277 * config/m32c/m32c.c (m32c_function_arg): Structures are always
9278 passed on the stack.
9279 (m32c_init_cumulative_args): When a function returns a structure,
9280 always pass the pointer to that return area on the stack.
9281 (m32c_function_arg_advance): Don't increment the parameter number
9282 if we're processing the returned structure pointer.
9283 (pushm_info): Reverse order of registers.
9285 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
9287 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
9288 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9289 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
9290 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
9292 * tree-chrec.c (chrec_fold_multiply_poly_poly,
9293 chrec_fold_multiply): Same.
9294 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
9295 force_expr_to_var_cost): Same.
9296 * tree-mudflap.c (mf_xform_derefs_1): Same.
9297 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
9299 2006-04-07 David Edelsohn <edelsohn@gnu.org>
9301 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
9302 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
9305 2006-04-07 Jan Hubicka <jh@suse.cz>
9307 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
9309 2006-04-07 Richard Guenther <rguenther@suse.de>
9311 PR tree-optimization/26135
9312 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
9313 loads for store copy-prop.
9314 (copy_prop_visit_stmt): Likewise.
9316 2006-04-05 Robert Millan <robertmh@gnu.org>
9318 * config/i386/linux.h: Add a comment to mark macros that are
9319 being overriden in config/k*bsd-gnu.h.
9320 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
9322 * config/knetbsd-gnu.h: Ditto.
9324 2006-04-06 Jan Hubicka <jh@suse.cz>
9328 * coverage.c (coverage_checksum_string): Reorganize loop to not read
9331 2006-04-06 Mike Stump <mrs@apple.com>
9333 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
9334 for HAVE_nonlocal_goto to be consistent.
9335 (expand_builtin_nonlocal_goto): Likewise.
9336 (expand_builtin_strcmp): Use #ifdef instead of #if
9337 for HAVE_cmpstrnsi to be consistent.
9339 2006-04-05 DJ Delorie <dj@redhat.com>
9341 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
9344 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
9346 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
9347 got-relative addressing for anything but SImode.
9349 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
9350 even if the calling function doesn't modify them.
9352 2006-04-05 Richard Guenther <rguenther@suse.de>
9354 PR tree-optimization/26919
9355 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
9356 to cgraph_estimate_size_after_inlining.
9358 2006-04-05 Alan Modra <amodra@bigpond.net.au>
9360 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
9362 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
9364 PR tree-optimization/26996
9365 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
9366 VECTOR_TYPE variables.
9368 2006-04-05 Richard Guenther <rguenther@suse.de>
9370 PR tree-optimization/26763
9371 * fold-const.c (fold_comparison): Move folding of
9372 PTR + CST CMP PTR + CST ...
9373 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
9375 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
9377 * doc/install.texi (Prerequisites): Refine some wording on
9378 bootstrapping and ksh.
9379 Move the version numbers of DejaGnu here from the testing section
9380 and fix casing of names.
9381 Fix markup and clarify wording for autogen requirements.
9382 Refer to GCJ instead of just java.
9383 Refer to SVN instead of CVS.
9384 Describe diffutils as useful instead of necessary.
9385 (Downloading the source): Refer to SVN instead of CVS.
9386 Adjust a link to our web site accordingly.
9387 (Configuration): Fix casing of Bison.
9388 (Building): Refer to SVN instead of CVS.
9389 Fix a sentence on the use of Bison and remove duplicate (and
9390 incorrect) version number of Bison requirement.
9391 Remove one redundant list of packages needed for building.
9392 (Specific): Avoid reference to CVS.
9394 2006-04-04 Eric Christopher <echristo@apple.com>
9396 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
9397 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
9398 (rs6000_handle_struct_attribute): New.
9399 (rs6000_ms_bitfield_layout_p): Ditto.
9401 2006-04-04 Geoffrey Keating <geoffk@apple.com>
9403 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
9404 NULL for dso parameter to atexit_common.
9406 2006-04-04 Eric Christopher <echristo@apple.com>
9408 * config/i386/i386.c (machopic_output_stub): Output \t
9409 between instructions and operands.
9411 2006-04-04 David Edelsohn <edelsohn@gnu.org>
9413 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
9414 satisfies_constraint_[IL] to explicit tests on value.
9416 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
9418 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9419 set_nb_iterations_in_loop): Use build_int_cst instead of
9421 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
9422 build_int_cst instead of convert.
9424 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
9426 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
9427 new value 2 for incoming.
9428 * function.c (expand_function_start): Call struct_value_rtx
9430 * config/sparc/sparc.md: Comment updated_return.
9431 * config/sparc/sparc.opt: Add -mstd-struct-return option.
9432 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
9433 struct return if sparc_std_struct_return and incoming is 2.
9434 (print_operand): Do not adjust return if
9435 sparc_std_struct_return.
9437 2006-04-04 Roger Sayle <roger@eyesopen.com>
9439 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
9440 convert in the middle-end.
9441 * expr.c (store_expr, store_constructor, get_inner_reference,
9442 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
9444 * tree.c (build_range_type): Likewise.
9446 2006-04-04 Tom Tromey <tromey@redhat.com>
9448 * doc/install.texi (Prerequisites): Mention jar.
9450 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
9452 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
9455 2006-04-04 Matthias Klose <doko@debian.org>
9457 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
9461 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
9464 2006-04-03 Geoffrey Keating <geoffk@apple.com>
9466 * doc/extend.texi (Function Attributes): Rewrite visibility
9467 attribute documentation.
9468 * doc/invoke.texi (C++ Dialect Options): Rewrite
9469 -fvisibility-inlines-hidden documentation to describe something
9470 entirely different, although in practise compatible.
9471 (Code Gen Options): Warn about system headers in -fvisibility=
9474 * doc/extend.texi (Other Builtins): Document that
9475 __builtin_nan is a compile-time constant only when its argument
9478 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
9480 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
9481 trying to remove TRUNCATE check if all bits outside the new mode
9482 are identical to the sign bit.
9484 2006-04-03 Jeff Law <law@redhat.com>
9486 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
9487 and operand scanning in some common cases.
9489 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9490 Dale Johannesen <dalej@apple.com>
9493 * regclass.c (struct reg_pref): Update documentation.
9494 (regclass): Set prefclass to NO_REGS if memory is the best option.
9495 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9496 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
9497 into account. For non-registers, equate an empty preferred
9498 reload class to a `!' in the constraint; move the if clause to
9499 do so after those that reject the insn.
9500 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
9502 (find_dummy_reload): Likewise.
9503 * doc/tm.texi (Register Classes): Document what it means
9504 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
9505 * config/i386/i386.c (ix86_preferred_reload_class): Force
9506 using SSE registers (and return NO_REGS for floating-point
9507 constants) if math is done with SSE.
9508 (ix86_preferred_output_reload_class): New.
9509 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
9510 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
9511 * config/i386/i386.md: Remove # register preferences.
9513 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9516 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9517 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
9518 the type of nb_iter.
9519 (instantiate_parameters_1): Convert the operands before calling
9520 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
9521 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
9523 2006-04-02 Roger Sayle <roger@eyesopen.com>
9525 * builtins.c (dummy_object): Use build_int_cst instead of convert.
9526 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
9528 * dojump.c (do_jump): Likewise.
9529 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
9530 * gimplify.c (gimple_boolify, gimplify_init_constructor,
9531 gimplify_boolean_expr): Likewise.
9532 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
9533 * varasm.c (array_size_for_constructor): Likewise.
9534 * tree-object-size.c (compute_object_offset): Likewise.
9536 2006-04-02 Roger Sayle <roger@eyesopen.com>
9539 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
9540 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
9542 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9544 PR tree-optimization/26939
9545 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
9547 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9549 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
9550 at_stmt. Convert the type of operands before calling
9551 build_polynomial_chrec.
9552 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
9554 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
9555 (instantiate_parameters_1): Convert the type of operands before calling
9556 build_polynomial_chrec.
9557 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
9558 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
9559 reset_evolution_in_loop): Insert asserts to check the types of the
9561 (chrec_type): Moved...
9562 (eq_evolutions_p): Use operand_equal_p.
9563 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
9564 the types of the operands.
9565 (chrec_type): ...here.
9566 * tree-data-ref.c (create_data_ref): Convert the operands before
9567 calling chrec_replace_initial_condition.
9568 (same_access_functions, analyze_subscript_affine_affine,
9569 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
9570 (compute_subscript_distance, analyze_ziv_subscript,
9571 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
9572 analyze_miv_subscript): Convert the operands before calling
9573 chrec_fold_minus or chrec_fold_plus.
9575 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9577 * tree-data-ref.c (compute_all_dependences): Use a pointer to
9578 the dependence_relations vector.
9579 (compute_data_dependences_for_loop): Adjust call to
9580 compute_all_dependences.
9582 2006-04-01 Roger Sayle <roger@eyesopen.com>
9583 Richard Henderson <rth@redhat.com>
9585 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
9586 gimple_boolify on the condition before calling gimplify_expr.
9588 2006-03-31 Bob Wilson <bob.wilson@acm.org>
9590 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
9591 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
9592 the frame size. Update to use the new macros.
9593 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
9594 * config/xtensa/ieee754-df.S: Likewise.
9596 2006-03-31 Richard Henderson <rth@redhat.com>
9598 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
9599 (make_edges): ... here. Control fallthru creation with a local
9600 variable. Do not play with fake edges.
9601 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
9602 (make_goto_expr_edges): Don't play with fake edges. Make for_call
9605 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
9607 * dwarf2.h (DW64_CIE_ID): Define.
9608 * dwarf2out.c (DWARF_CIE_ID): Define.
9609 (output_call_frame_info): Output 0xffffffff before standard 8-byte
9610 length header. Use DWARF_CIE_ID.
9611 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
9612 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
9614 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
9616 * config/sh/linux-atomic.asm: New file.
9617 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
9619 2006-03-31 DJ Delorie <dj@redhat.com>
9621 * config/m32c/cond.md: Set condition flags properly throughout.
9622 * config/m32c/minmax.md: Likewise.
9623 * config/m32c/prologue.md: Likewise.
9624 * config/m32c/bitops.md: Likewise.
9625 * config/m32c/muldiv.md: Likewise.
9626 * config/m32c/mov.md: Likewise.
9627 * config/m32c/addsub.md: Likewise.
9628 * config/m32c/m32c.md: Likewise.
9629 * config/m32c/jump.md: Likewise.
9630 * config/m32c/shift.md: Likewise.
9632 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
9633 conditionally output the pattern for this.
9634 * config/m32c/m32c.c (flags_needed_for_conditional): New.
9635 (m32c_compare_redundant): New.
9636 (m32c_output_compare): New.
9637 * config/m32c/m32c-protos.h (m32c_output_compare): New.
9639 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
9640 dest, not src. Allow other 4-byte modes.
9642 2006-03-30 Denis Chertykov <denisc@overta.ru>
9644 * doc/md.texi: Refer to avr/constraints.md instead of
9647 2006-03-30 Roger Sayle <roger@eyesopen.com>
9649 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
9650 signed vs. unsigned comparison failures on some hosts.
9652 2006-03-31 Alan Modra <amodra@bigpond.net.au>
9655 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
9656 change to FLOAT_REGS.
9658 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
9659 (rs6000_override_options): Use it.
9660 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
9661 only for -mabi=spe/no-spe and -mabi=altivec.
9663 2006-03-30 Geoffrey Keating <geoffk@apple.com>
9665 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
9668 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
9670 * Makefile.in: Rename docdir to gcc_docdir.
9672 2006-03-30 Roger Sayle <roger@eyesopen.com>
9675 * expr.c (emit_group_store): Optimize group stores into a pseudo
9676 register by using a paradoxical subreg to initialize the destination
9677 if the first or last member of the group specifies a "low part".
9679 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9682 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
9683 * target.h (struct gcc_target.speculate_insn): Change type of the
9684 second parameter to 'int'.
9685 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
9686 the second operand of the DEPS_LIST.
9687 (copy_DEPS_LIST_list): Update reference to the second operand of the
9689 * rtl.h (alloc_DEPS_LIST): Update signature.
9690 * sched-int.h (ds_t): Change typedef to 'int'.
9691 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9693 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9695 * haifa-sched.c (try_ready): Change condition to restore
9696 non-speculative pattern of the instruction.
9697 (process_insn_depend_be_in_spec): Code to keep probability of the
9698 speculative dependence non-decreasing.
9700 2006-03-30 Jie Zhang <jie.zhang@analog.com>
9702 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
9703 (single_move_for_movmem): ... this. Also change all uses.
9704 (bfin_expand_strmov): Renamed to...
9705 (bfin_expand_movmem): ... this. Also change all uses.
9706 * config/bfin/bfin.md (movstrsi): Renamed to...
9707 (movstrsi): ...this.
9709 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
9711 PR tree-optimization/26830
9713 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9714 (copy_prop_visit_stmt): Remove write-only variable ann.
9715 (init_copy_prop): Check variable loop depth here. Do not simulate
9716 memory-tag and virtual operand PHIs except for store copy prop.
9718 2006-03-30 Richard Guenther <rguenther@suse.de>
9720 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9721 variants with double arguments.
9723 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9725 * genpreds.c (write_tm_constrs_h): Delete variable p.
9726 * genconditions.c (write_header): Add tm-constrs.h to included
9728 * genpeep.c (main): Add toplev.h to included headers.
9729 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9730 (build/genpeep.o): Add toplev.h dependency.
9731 * config/rs6000/constraints.md: Add "W" constraint.
9733 2006-03-29 Roger Sayle <roger@eyesopen.com>
9735 * stor-layout.c (mode_for_size_tree): Remove restiction on type
9736 sizes by correctly testing whether the size fits a host integer.
9737 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9738 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9739 SImode range for the default sizetype and bitsizetype.
9741 2006-03-29 Roger Sayle <roger@eyesopen.com>
9743 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9744 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
9745 quickly if the argument is already of the correct type.
9746 Call fold_build1 instead of build1. Tidy up blank lines.
9748 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9750 * genemit.c (main): Add tm-constrs.h to included headers.
9751 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9752 * genpeep.c (main): Add tm-constrs.h to included headers.
9753 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9754 (write_tm_constrs_h): this and write complete file.
9755 (write_tm_preds_h): Do not emit satisfies_constraint fns.
9756 (write_insn_preds_c): Add tm-constrs.h to included headers.
9757 (gen_constrs): New variable.
9758 (parse_option): Parse "-c".
9759 (main): Invoke write_tm_constrs_h.
9760 * genrecog.c (write_header): Add tm-constrs.h to included headers.
9761 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9762 (object_out_file): Add tm-constrs.h dependency.
9763 (insn-emit.o): Same.
9764 (insn-output.o): Same.
9765 (insn-peep.o): Same.
9766 (insn-preds.o): Same.
9767 (insn-recog.o): Same.
9768 (tm-constsr.h): New target.
9769 (s-constrs-h): New target.
9771 * config/rs6000/constraints.md: New file.
9772 * config/rs6000/rs6000.c: Include tm-constrs.h.
9773 (num_insn_constant_wide): Convert to satisfies_constraint.
9774 (rs6000_rtx_costs): Convert to satisfies_constraint.
9775 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9776 (CONST_OK_FOR_LETTER_P): Delete.
9777 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9778 (EXTRA_CONSTRAINT): Delete.
9779 (EXTRA_MEMORY_CONSTRAINT): Delete.
9780 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9781 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9782 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9783 satisfies_constraint.
9785 * config/i386/i386.c: Include tm-constrs.h.
9787 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9789 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9790 * tree-data-ref.c (find_data_references_in_loop,
9791 compute_data_dependences_for_loop): Use pointers to VEC.
9792 (analyze_all_data_dependences): Adjust calls.
9793 * tree-data-ref.h (find_data_references_in_loop,
9794 compute_data_dependences_for_loop): Adjust declarations.
9795 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9796 compute_data_dependences_for_loop.
9798 2006-03-29 Paul Brook <paul@codesourcery.com>
9800 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9803 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9805 PR tree-optimization/26859
9806 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9808 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9809 for the step after fold_convert.
9811 2006-03-29 Paul Brook <paul@codesourcery.com>
9813 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9814 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9816 2006-03-29 Paul Brook <paul@codesourcery.com>
9819 * targhooks.c (default_narrow_bitfield): New fuction.
9820 * targhooks.h (default_narrow_bitfield): add prototype.
9821 * target.h (gcc_target): Add narrow_volatile_bitfield.
9822 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9823 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9824 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9825 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9827 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9829 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9831 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9832 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9833 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9834 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9835 (s390_function_arg_float): Allow SDmode and DDmode values to be
9836 passed in floating point registers.
9837 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9838 check with SCALAR_FLOAT_MODE_P.
9839 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9841 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9843 PR tree-optimization/25985
9844 * tree-ssa-loop-niter.c (number_of_iterations_le,
9845 number_of_iterations_ne): Make comments more precise.
9846 (number_of_iterations_cond): Add only_exit argument. Use the
9847 fact that signed variables do not overflow only when only_exit
9849 (loop_only_exit_p): New.
9850 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9851 number_of_iterations_cond.
9853 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9855 PR tree-optimization/26643
9856 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9859 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9861 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9862 (divsi3_i4_int): Likewise.
9864 2006-03-28 Roger Sayle <roger@eyesopen.com>
9866 * expr.c (emit_group_store): Only create a new pseudo reg if the
9867 quantity it needs to hold isn't already a suitable pseudo.
9869 2006-03-28 Jeff Law <law@redhat.com>
9871 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9872 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9874 2006-03-28 Roger Sayle <roger@eyesopen.com>
9876 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9877 the equivalent ~X & Y, and the symmetry related transformations.
9878 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9879 ~X & Y, and symmetry related transforms.
9881 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9883 Revert my 2006-03-27 patches.
9885 2006-03-28 Roger Sayle <roger@eyesopen.com>
9887 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9888 ~(T1)X, when T1 and T2 are integer types of the same precision
9889 and (T2)X isn't an extension.
9891 2006-03-28 Jeff Law <law@redhat.com>
9893 PR tree-optimization/26796
9894 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9895 need EH edge cleanups rather than purging them immediately.
9896 (eliminate_degenerate_phis): Handle queued EH cleanups.
9898 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9900 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9903 2006-03-27 Roger Sayle <roger@eyesopen.com>
9906 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9907 cast BIT_NOT_EXPR operand to the correct type.
9909 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9911 * tree-loop-linear.c: Don't include varray.h.
9912 (gather_interchange_stats, try_interchange_loops,
9913 linear_transform_loops): Use VEC instead of VARRAY.
9914 * lambda-mat.c: Don't include varray.h.
9915 * tree-chrec.c: Same.
9916 * lambda-trans.c: Same.
9917 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9918 VEC instead of VARRAY.
9919 * tree-vectorizer.h: Idem.
9920 * tree-data-ref.c (dump_data_references,
9921 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9922 initialize_data_dependence_relation, finalize_ddr_dependent,
9923 compute_all_dependences, find_data_references_in_loop,
9924 compute_data_dependences_for_loop, analyze_all_data_dependences,
9925 free_dependence_relation, free_dependence_relations,
9926 free_data_refs): Idem.
9927 * tree-data-ref.h (data_reference_p, subscript_p): New.
9928 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9929 VEC instead of VARRAY.
9930 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9931 (find_data_references_in_loop, compute_data_dependences_for_loop,
9932 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9933 dump_data_dependence_relations, free_dependence_relations,
9934 free_data_refs): Adjust declaration.
9935 (lambda_transform_legal_p): Move declaration here...
9936 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9937 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9938 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9939 vect_analyze_data_refs): Use VEC instead of VARRAY.
9940 * lambda.h (lambda_transform_legal_p): ...from here.
9941 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9942 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9943 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9944 tree-chrec.o): Don't depend on VARRAY_H.
9946 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9948 * rtl.def (Copyright): Update date.
9949 (DEPS_LIST): Change type of the second operand to 'int'.
9950 * target.h (Copyright): Update date.
9951 (struct gcc_target.speculate_insn): Change type of the second parameter
9953 * lists.c (Copyright): Update date.
9954 (alloc_DEPS_LIST): Change signature. Update reference to the second
9955 operand of the DEPS_LIST.
9956 (copy_DEPS_LIST_list): Update reference to the second operand of the
9958 * rtl.h (Copyright): Update date.
9959 (alloc_DEPS_LIST): Update signature.
9960 * sched-int.h (Copyright): Update date.
9961 (ds_t): Change typedef to 'int'.
9962 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9964 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9966 * haifa-sched.c (Copyright): Update date.
9967 (try_ready): Change condition to restore non-speculative pattern
9969 (process_insn_depend_be_in_spec): Code to keep probability of the
9970 speculative dependence non-decreasing.
9972 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9974 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9975 shut up the compiler.
9977 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9979 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9980 to use lib prefix for target.
9981 ($(T)libic_invalidate_array_4-200.a): Likewise.
9982 ($(T)libic_invalidate_array_4a.a): Likewise.
9984 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9985 J"orn Rennecke <joern.rennecke@st.com>
9987 * superh.opt: New file.
9988 * sh.c (boardtype, osruntime): Remove.
9989 * superh.h (SUBTARGET_OPTIONS): Remove.
9990 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9992 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9993 arguments with ^ and/or [].
9995 * config.gcc (sh-*-*): Add quoting to account for quirk of
9997 Replace == with = in enable_incomplete_targets test.
9999 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
10000 with MASK_LITTLE_ENDIAN.
10002 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
10003 * config/sh/sh.opt: Added to some comments.
10004 * config/sh/superh.h: Removed some chaff.
10006 * config/sh/sh.opt: Add m4-[1234]00* options.
10007 * config/sh/sh.c (sh_handle_option): Likewise.
10008 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
10009 (ic_invalidate_array_4-100.o): New rule.
10010 ($(T)libic_invalidate_array_4-100.a): Likewise.
10011 (ic_invalidate_array_4-200.o): Likewise.
10012 ($(T)libic_invalidate_array_4-200.a): Likewise.
10013 (ic_invalidate_array_4a.o): Likewise.
10014 ($(T)libic_invalidate_array_4a.a): Likewise.
10015 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
10016 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
10018 * config/sh/crt1.asm: Merged in profiling code.
10019 * config/sh/superh.h (STARTFILE_SPEC): Override.
10020 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
10021 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
10022 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
10024 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
10025 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
10026 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
10028 * sh.opt (mpretend-cmove): New option.
10029 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
10030 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
10031 (movsicc): Add TARGET_PRETEND_CMOVE code.
10033 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
10035 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
10036 s390_class_max_nregs): New function prototypes.
10037 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
10038 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
10039 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
10040 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
10042 2006-03-26 Geoffrey Keating <geoffk@apple.com>
10044 * dwarf2out.c (add_location_or_const_value_attribute): Call
10045 tree_add_const_value_attribute if nothing else works.
10046 (reference_to_unused): New.
10047 (rtl_for_decl_init): Use reference_to_unused to decide whether
10048 to output an initializer.
10050 2006-03-27 Alan Modra <amodra@bigpond.net.au>
10053 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
10054 peephole removing spe frob_di_df_2.
10056 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
10058 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
10059 (subscript_dependence_tester_1): Declared.
10060 (print_dir_vectors, print_dist_vectors): New.
10061 (debug_data_dependence_relation): New.
10062 (dump_data_dependence_relation): Print more details.
10063 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
10064 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
10065 (save_dist_v, save_dir_v, add_outer_distances,
10066 build_classic_dist_vector_1): New.
10067 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
10068 Don't test for lambda_vector_lexico_pos.
10069 (same_access_functions, add_multivariate_self_dist,
10070 add_other_self_distances, dir_from_dist): New.
10071 (build_classic_dir_vector): Replace implementation almost identical to
10072 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
10074 (subscript_dependence_tester_1): New.
10075 (subscript_dependence_tester): Handle the lexicographically negative
10076 distance vectors by recomputing the dependence relation.
10077 (compute_affine_dependence): Remove parameter loop_nest_depth.
10078 (compute_self_dependence): Don't call compute_subscript_distance.
10079 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
10080 Add a parameter for the loop_nest.
10081 (find_loop_nest_1, find_loop_nest): New.
10082 (compute_data_dependences_for_loop): Compute the loop nest, and give
10083 up if the nest is not well formed.
10084 * tree-data-ref.h (loop_p): New.
10085 (struct data_dependence_relation): Replace size_vect field with
10086 loop_nest, a vec of loops.
10087 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
10088 (DDR_LOOP_NEST): New.
10089 (print_dir_vectors, print_dist_vectors,
10090 debug_data_dependence_relation): Declared.
10091 (index_in_loop_nest): New.
10092 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
10093 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
10096 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
10098 * simplify-rtx.c (simplify_relational_operation): Call
10099 simplify_relational_operation_1 even if mode is VOIDmode.
10101 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
10103 PR tree-optimization/26804
10104 * tree.h (DECL_CALL_CLOBBERED): New macro.
10105 (tree_decl_common): Add call_clobbered_flag.
10106 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
10107 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
10108 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
10109 (mark_non_addressable): Ditto.
10110 * tree-ssa.c (verify_call_clobbered): New function.
10111 (verify_alias_info): Use it.
10112 * tree-pass.h (pass_reset_cc_flags): New prototype.
10113 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
10114 (reset_cc_flags): New function.
10115 * passes.c (init_optimization_passes): Call reset_cc_flags after
10116 initializing referenced_vars.
10118 2006-03-25 Uros Bizjak <uros@kss-loka.si>
10119 Roger Sayle <roger@eyesopen.com>
10121 PR middle-end/26717
10122 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
10123 to 1.0 for non-real operands. Implement A / A optimization for
10126 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
10128 * config/i386/i386.c (size_cost): Correct the comment for
10129 cost of storing fp registers.
10130 (i386_cost): Likewise.
10131 (i486_cost): Likewise.
10132 (pentium_cost): Likewise.
10133 (pentiumpro_cost): Likewise.
10134 (k6_cost): Likewise.
10135 (athlon_cost): Likewise.
10136 (k8_cost): Likewise.
10137 (pentium4_cost): Likewise.
10138 (nocona_cost): Likewise.
10139 (generic64_cost): Likewise.
10140 (generic32_cost): Likewise.
10142 2006-03-24 Denis Chertykov <denisc@overta.ru>
10144 * config/avr/avr-protos.h (extra_constraint): Delete.
10145 (extra_constraint_Q): New declaration.
10146 * config/avr/constraints.md: New file.
10147 * config/avr/avr.md: Include it.
10148 (REG_X, REG_Y, REG_Z, REG_W): New constants.
10149 (TMP_REGNO, ZERO_REGNO): Likewise.
10150 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
10151 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
10152 (extra_constraint): Delete.
10153 (extra_constraint_Q): Test for memory constraint 'Q'.
10154 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
10155 (REG_CLASS_FROM_LETTER): Delete.
10156 (CONST_OK_FOR_LETTER_P): Delete.
10157 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10158 (EXTRA_CONSTRAINT): Delete.
10159 (TMP_REGNO): Delete.
10160 (ZERO_REGNO): Delete.
10162 2006-03-24 Jeff Law <law@redhat.com>
10164 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
10165 directly. Call mark_new_vars_to_rename slightly earlier.
10167 2006-03-24 Geoffrey Keating <geoffk@apple.com>
10169 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
10170 (is_cxx): Likewise.
10171 (gen_compile_unit_die): Use new language types for Objective-C and
10173 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
10174 DW_LANG_C_plus_plus.
10177 * config/t-darwin (crt3.o): Work around bug 26840.
10178 * config/darwin-crt3.c: Rewrite.
10179 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
10181 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
10183 * doc/invoke.texi: Document -femit-class-debug-always
10184 * common.opt: Add -femit-class-debug-always.
10186 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
10188 * config/s390/s390.c (s390_decompose_address): Allow SImode for
10189 index and base register.
10190 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
10191 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
10192 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
10193 REGNO_OK_FOR_INDEX_P.
10194 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
10196 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
10197 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
10198 REG_OK_FOR_BASE_P): Definitions removed.
10200 2006-03-24 Jakub Jelinek <jakub@redhat.com>
10202 PR middle-end/26611
10203 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
10204 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
10205 set yet or weren't marked as local yet.
10207 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
10209 * regrename.c (scan_rtx_address): Initialize a variable to shut up
10212 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
10214 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
10215 (rs6000_legitimate_small_data_p): Delete.
10216 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
10217 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
10218 and make static. Add forward declaration. Update uses.
10219 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
10220 of offsettable_memref_p.
10221 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
10222 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
10224 2006-03-24 Jeff Law <law@redhat.com>
10226 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
10227 around bug in immediate-use iterator.
10229 2006-03-24 Alan Modra <amodra@bigpond.net.au>
10232 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
10233 or __LITTLE_ENDIAN__.
10235 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
10237 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
10238 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
10239 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
10240 * config/sh/sh.opt (mdiv=): Amend description.
10241 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
10242 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
10243 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
10244 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
10245 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
10246 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
10247 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
10248 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
10249 TARGET_DIVIDE_CALL_FP.
10251 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10253 * haifa-sched.c (choose_ready): Fix type of the local variable.
10254 Move local variables. Add comment.
10255 (check_reg_live): Change signature. Make callable from debugger.
10256 * sched-int.h (check_reg_live): Update signature.
10257 * sched-ebb.c (check_reg_live): Update parameters.
10258 * sched-rgn.c (check_reg_live): Ditto.
10259 (region_head_or_leaf_p): Check pointer before dereferencing.
10260 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
10261 before reload on optimization levels below 1.
10263 2006-03-23 Richard Henderson <rth@redhat.com>
10265 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
10269 * config/alpha/predicates.md (local_symbolic_operand): Reject
10272 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
10275 * tree-ssa-pre.c (create_value_expr_from): Don't reject
10276 expressions which have overflowed constants.
10278 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10280 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
10282 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10284 * cfgloopmanip.c (create_loop_notes): Removed.
10285 * final.c (final_scan_insn): Do not handle loop notes.
10286 * jump.c (squeeze_notes): Ditto.
10287 * cfglayout.c (skip_insns_after_block,
10288 duplicate_insn_chain): Ditto.
10289 * cfgcleanup.c (rest_of_handle_jump2): Do not call
10291 * cfgloop.h (create_loop_notes): Declaration removed.
10293 2006-03-23 Richard Sandiford <richard@codesourcery.com>
10295 * varasm.c (output_constant_pool): Restore fnname and fndecl
10297 (assemble_start_function): Adjust call accordingly.
10298 (assemble_end_function): Likewise.
10300 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10303 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
10306 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
10308 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10311 * system.h (ICE_EXIT_CODE): New macro.
10312 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
10313 (diagnostic_action_after_output): Likewise.
10314 * gcc.c (fatal_ice): New function.
10315 (execute): Use it instead of fatal.
10316 (fancy_abort): Likewise.
10317 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
10319 2006-03-22 Jeff Law <law@redhat.com>
10321 * loop-unroll.c (analyze_iv_to_split_insn): Handle
10322 iv_analyze_result returning false.
10324 2006-03-22 Jie Zhang <jie.zhang@analog.com>
10326 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
10328 2006-03-22 Richard Henderson <rth@redhat.com>
10330 PR middle-end/26084
10331 * except.c (duplicate_eh_regions_0): New.
10332 (duplicate_eh_region_1): Duplicate the children of the node as
10333 well as the node itself. Link them up properly.
10334 (duplicate_eh_region_2): Merge into ...
10335 (duplicate_eh_regions): ... here. Take copy_region argument, and
10336 copy only a sub-tree if asked. Simplify copying and fixup.
10337 (eh_region_outer_p): New.
10338 * except.h (duplicate_eh_regions): Update decl.
10339 (eh_region_outer_p): Declare.
10340 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
10341 (lower_omp_master): Likewise.
10342 (lower_omp_ordered): Likewise.
10343 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
10344 (move_stmt_r): Use it to remap labels. Handle recursion vs
10345 remap_decls_p properly.
10346 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
10347 (find_outermost_region_in_block): New.
10348 (new_label_mapper): New.
10349 (move_sese_region_to_fn): Copy eh information to the new function
10351 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
10353 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
10356 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10358 * doc/md.texi (-mshared): Mention that -mshared code can be linked
10359 into shared libraries.
10361 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10363 * doc/md.texi: Refer to i386/constraints.md instead of
10364 i386/predicates.md.
10365 * config/i386/constraints.md: New file, extracted from...
10366 * config/i386/predicates.md: ...here.
10367 * config/i386/i386.md: Include constraints.md.
10369 2006-03-21 Jason Merrill <jason@redhat.com>
10371 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
10373 PR middle-end/20297
10374 * expr.c (init_block_move_fn): Force default visibility.
10375 (init_block_clear_fn): Likewise.
10376 * builtins.c (expand_builtin_fork_or_exec): Likewise.
10377 * targhooks.c (default_external_stack_protect_fail): Likewise.
10379 2006-03-21 Richard Sandiford <richard@codesourcery.com>
10381 * config/mips/predicates.md (const_call_insn_operand): Allow direct
10382 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
10383 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
10384 Use TARGET_OLDABI instead of !TARGET_NEWABI.
10385 (loadgp): Use mips_current_loadgp_style.
10386 (loadgp_noshared): New pattern.
10387 (sibcall_internal): Use MIPS_CALL.
10388 (sibcall_value_internal): Likewise.
10389 (sibcall_value_multiple_internal): Likewise.
10390 (call_internal): Likewise.
10391 (call_value_internal): Likewise.
10392 (call_value_multiple_internal): Likewise.
10393 (call_split): Use MIPS_CALL and add an 'S' constraint.
10394 (call_value_split): Likewise.
10395 (call_value_multiple_split): Likewise.
10396 * config/mips/mips.opt (-mabicalls): Tweak docstring.
10397 (-mshared): New option.
10398 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
10399 (mips_current_loadgp_style): Declare.
10400 * config/mips/mips.c (mips_classify_symbol): Avoid using
10401 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
10402 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
10403 TARGET_ABSOLUTE_ABICALLS.
10404 (override_options): Adjust comments. Improve the warning that is
10405 issued when -mabicalls and -G are used together.
10406 (mips_file_start): Remove comment.
10407 (mips_current_loadgp_style): New function.
10408 (mips_gnu_local_gp): New variable.
10409 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
10411 (mips_output_function_prologue): Use mips_current_laodgp_style.
10412 (mips_expand_prologue): Call mips_emit_loadgp before emitting
10413 the cprestore instruction.
10414 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
10415 live for TARGET_ABSOLUTE_ABICALLS.
10416 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
10417 (ASM_SPEC): Pass down -mshared and -mno-shared.
10418 (MIPS_CALL): New macro.
10419 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
10421 * doc/invoke.texi (-mabicalls): Update documentation.
10422 (-mshared): Document.
10424 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10426 * config/ia64/unwind-hpux.c: New file.
10427 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
10429 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10432 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
10434 2006-03-21 Jeff Law <law@redhat.com>
10436 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
10437 type conversions of a VR_VARYING source to a wider type.
10439 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10441 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
10442 tm_file on Solaris 10 and later.
10443 (sparc64-*-solaris2*): Likewise.
10444 (sparc-*-solaris2*): Likewise.
10445 * config/sol26.h: Rename to config/sol2-6.h.
10446 * config/sol2-10.h: New file.
10448 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
10451 * tree-ssa-pre.c (create_component_ref_by_pieces):
10454 2006-03-21 Jakub Jelinek <jakub@redhat.com>
10457 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
10458 return it immediately.
10460 2006-03-21 Michael Matz <matz@suse.de>
10462 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
10464 (remove_arc, add_arc): Update num_out_arcs member.
10465 (set_out_arc_insns_equiv_num): Returns nothing instead of number
10467 (cache_presence): New function.
10468 (compare_states_for_equiv): New function.
10469 (state_is_differed): Don't take number of outargs, adjust callers.
10470 Use new invariant for speeding up.
10471 (init_equiv_class): Create initial classes based on sorted
10473 (partition_equiv_class): Don't track out_arcs_num.
10474 (evaluate_equiv_classes): Call cache_presence on all states and
10477 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
10479 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
10480 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
10481 (bfin_valid_reg_p): Test for pseudos explicitly and use only
10482 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
10484 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
10485 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
10486 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
10487 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
10488 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
10490 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
10491 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
10492 (REGNO_REG_CLASS): ARGP is in PREGS.
10493 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
10495 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
10496 to deal with those addresses.
10497 * addresses.h: New file.
10498 * caller-save.c: Include "addresses.h".
10499 (init_caller_save): Use new base_reg_class function.
10500 * rtl-factoring.c: Include "addresses.h".
10501 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
10502 * recog.c: Include "addresses.h".
10503 (preprocess_constraints): Use new base_reg_class function.
10504 * regrename.c: Include "addresses.h".
10505 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
10506 functions. Keep track of a new var INDEX_CODE to compute valid
10508 (replace_oldest_value_addr): Likewise.
10509 (replace_oldest_value_mem): Use base_reg_class.
10510 * reload.c: Include "addresses.h".
10511 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
10512 (find_reloads): Use new base_reg_class function.
10513 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
10514 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
10515 all callers and prototype changed.
10516 * reload1.c: Include "addresses.h".
10517 (maybe_fix_stack_asms): Use base_reg_class.
10518 * regclass.c: Include "addresses.h".
10519 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
10520 (init_reg_autoinc): Use new base_reg_class function.
10521 (record_reg_classes): Likewise.
10522 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
10523 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
10524 Use new args to compute necessary class.
10526 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
10527 regrename.o, rtl-factoring.o): Update dependencies.
10528 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
10529 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
10530 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
10531 REG_OK_FOR_INDEX_P): Delete documentation.
10533 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
10535 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
10536 from V7 to V9 for Solaris 7 and above.
10538 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
10540 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
10541 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
10542 argument pointers may not alias any other storage.
10543 * common.opt: Define option -fargument-noalias-anything.
10544 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
10545 alias semantics is specified by flag_argument_noalias > 2.
10547 2006-03-20 Jeff Law <law@redhat.com>
10549 * tree-pass.h (pass_phi_only_copy_prop): Delete.
10550 (pass_phi_only_cprop): Declare.
10551 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
10552 with phi_only_cprop
10553 * tree-ssa-dom.c (degenerate_phi_result): New function.
10554 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
10555 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
10556 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
10557 (eliminate_degenerate_phis): Likewise.
10558 (pass_phi_only_cprop): New pass descriptor.
10559 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
10560 support code. Callers updated.
10561 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
10562 (store_copy_prop): Likewise.
10563 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
10565 2006-03-20 Jason Merrill <jason@redhat.com>
10568 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
10569 (push_visibility, pop_visibility): Likewise.
10570 * c-pragma.h: Declare them.
10572 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
10574 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
10576 * config/sh/sh.c (find_regmode_weight): Change the type of the first
10577 parameter and use get_ebb_head_tail.
10578 (sh_md_init_global): Adjust uses of find_regmode_weight.
10580 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
10582 * function.h (struct function) <x_tail_recursion_reentry>:
10583 Rename to x_stack_check_probe_note.
10584 (tail_recursion_reentry): Rename to stack_check_probe_note.
10585 * function.c: Replace tail_recursion_reentry with
10586 stack_check_probe_note everywhere.
10587 (expand_function_start): Only emit a note for
10588 stack_check_probe_note with -fstack-protect.
10589 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
10591 * emit-rtl.c (remove_unnecessary_notes): Remove.
10592 (pass_remove_unnecessary_notes): Remove.
10593 * rtl.h (remove_unnecessary_notes): Remove prototype.
10594 * final.c (final_start_function): Don't call remove_unnecessary_notes.
10595 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
10596 * passes.c (pass_remove_unnecessary_notes): Don't run it.
10598 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
10601 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
10602 (valid_in_set): Handle ARRAY_REF.
10603 Change "if min_variant or VH" to asserts.
10604 (create_component_ref_by_pieces): Handle ARRAY_REF.
10605 (create_expression_by_pieces): Likewise.
10606 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
10608 2006-03-20 David Edelsohn <edelsohn@gnu.org>
10610 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
10611 is operand of switch, not str[0].
10613 2006-03-20 Alan Modra <amodra@bigpond.net.au>
10615 * config/rs6000/rs6000.c (rs6000_handle_option): Use
10616 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
10618 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10620 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
10621 end of insn_extra_address_constraint declaration.
10623 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10625 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
10626 (no-sum-in-toc): Same.
10627 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
10629 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
10630 NO_FP_IN_TOC for -fPIC instead of mask.
10632 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
10633 (BOOT_LDFLAGS): Delete.
10635 * config/rs6000/t-aix52: Same.
10637 * config/rs6000/rs6000.md (store_multiple_power): Delete.
10638 (stmsi[345678]_power): New.
10640 2006-03-17 Steve Ellcey <sje@cup.hp.com>
10642 * config/ia64/ia64.opt: Add empty line to end of file.
10644 2006-03-17 Richard Guenther <rguenther@suse.de>
10646 PR middle-end/26721
10647 * builtins.c (get_pointer_alignment): For component style references
10648 adjust alignment to the component type alignment. Make sure
10649 to adjust alignment for component access of constants.
10651 2006-03-17 David Edelsohn <edelsohn@gnu.org>
10653 * config/rs6000/rs6000.md (strlensi): Emit barrier after
10654 unconditional jump.
10656 2006-03-17 Paul Brook <paul@codesourcery.com>
10658 * doc/install.texi: Docuemnt --with-mode.
10659 * config.gcc: Add --with-mode for arm*-*-*.
10660 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
10662 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
10664 * sh.c (max_labelno_before_reorg): New variable.
10665 (sh_reorg): Initialize it.
10666 (find_barrier): Check max_labelno_before_reorg before using
10667 label_to_alignment. Take length of explicit alignment insns
10668 into account. When seeing a UNSPECV_CONST_END, return it.
10670 * sh.c (fixup_mova): Set mode of affected label to QImode.
10671 (untangle_mova): New function.
10672 (find_barrier): Use it. Check mode of label before decrementing
10674 (sh_reorg): Likewise.
10675 Set mode of all insns back to VOIDmode.
10677 * sh.c (MOVA_LABELREF): New macro.
10678 (mova_p, fixup_mova, sh_reorg): Use it.
10679 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
10680 ADDR_DIFF_VEC matches mova.
10682 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
10684 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
10685 with ATTRIBUTE_UNUSED.
10687 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
10689 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
10690 pointer, instead of assuming it is possible to derive the
10691 correct args size from a call insn.
10693 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10695 * rtl.h (CONST_INT_P): Define.
10696 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
10697 instead of GET_CODE(x) == CONST_INT.
10698 (vax_rtx_costs): Likewise.
10699 (vax_output_int_move): Likewise.
10700 (vax_output_int_add): Likewise.
10701 (legitimate_constant_address_p): Likewise.
10702 (index_term_p): Likewise.
10703 * config/vax/vax.h (PRINT_OPERAND): Likewise.
10704 * config/vax/vax.md (and<mode>3): Likewise.
10705 (ashrsi3): Likewise.
10707 (movstricthi): Likewise.
10708 (movstrictqi): Likewise.
10709 (rotrsi3): Likewise.
10710 (five unnamed insns): Likewise.
10712 2006-03-16 Geoffrey Keating <geoffk@apple.com>
10714 * doc/tm.texi (SDB and DWARF): Add extra parameter to
10715 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
10716 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10717 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10718 Pass to ASM_OUTPUT_DWARF_OFFSET.
10719 * dwarf2out.c (debug_frame_section): New.
10720 (output_call_frame_info): Use debug_frame_section. Pass it to
10721 dw2_asm_output_offset.
10722 (output_die): Pass appropriate section to dw2_asm_output_offset.
10723 (output_compilation_unit_header): Likewise.
10724 (output_pubnames): Likewise.
10725 (output_aranges): Likewise.
10726 (enum dw_val_class): Break dw_val_class_lbl_offset into
10727 dw_val_class_lineptr and dw_val_class_macptr.
10728 (add_AT_lbl_offset): Delete.
10729 (add_AT_lineptr): New.
10730 (add_AT_macptr): New.
10731 (AT_lbl): Expect a lineptr or macptr.
10732 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10733 (attr_checksum): Likewise.
10734 (same_dw_val_p): Likewise.
10735 (size_of_die): Likewise.
10736 (value_format): Likewise.
10737 (output_die): Likewise.
10738 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10740 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10741 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10742 * config/darwin-protos.h (darwin_file_start): New.
10743 (darwin_asm_output_dwarf_offset): New.
10744 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10745 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10747 * config/darwin.c (darwin_emit_unwind_label): Don't output label
10748 if not EH section; simplify.
10749 (darwin_file_start): New.
10750 (darwin_asm_output_dwarf_offset): New.
10751 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10753 (DEBUG_INFO_SECTION): Likewise.
10754 (DEBUG_ABBREV_SECTION): Likewise.
10755 (DEBUG_ARANGES_SECTION): Likewise.
10756 (DEBUG_MACINFO_SECTION): Likewise.
10757 (DEBUG_LINE_SECTION): Likewise.
10758 (DEBUG_LOC_SECTION): Likewise.
10759 (DEBUG_PUBNAMES_SECTION): Likewise.
10760 (DEBUG_STR_SECTION): Likewise.
10761 (DEBUG_RANGES_SECTION): Likewise.
10762 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10763 (ASM_OUTPUT_DWARF_OFFSET): New.
10765 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10767 * config.gcc (tm_defines): Always add to previous value rather
10770 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10772 * config/mips/predicates.md (splittable_const_int_operand): New,
10773 split from move_operand.
10774 (splittable_symbolic_operand): New.
10775 (move_operand): Add commentary. Use splittable_const_int_operand.
10776 Inline mips_atomic_symbolic_constant_p.
10777 * config/mips/mips.md: Add combine splitters for handling moves
10778 of splittable_const_int_operands and splittable_symbolic_operands.
10779 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10780 (mips_split_symbol): Declare.
10781 (mips_move_integer): Declare.
10782 * config/mips/mips.c (mips_split_p): Make global.
10783 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10784 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10785 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10786 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10787 (mips_offset_within_object_p): Handle block symbols.
10788 (mips_atomic_symbolic_constant_p): Delete.
10789 (mips_cannot_force_const_mem): Return false for constants that
10790 mips_legitimize_move can handle.
10791 (mips_use_blocks_for_constant_p): New function.
10792 (mips_split_symbol): Make global.
10793 (mips_move_integer): Likewise. Add a temporary register argument.
10794 (mips_legitimize_const_move): Use splittable_const_int_operand and
10795 splittable_symbolic_operand.
10796 (mips_use_anchors_for_symbol_p): New function.
10797 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10798 (mips_split_p): Declare.
10800 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10802 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10803 (mips*-*-linux*): Likewise.
10805 2006-03-16 Roger Sayle <roger@eyesopen.com>
10806 Daniel Speyer <dspeyer@wam.umd.edu>
10808 PR middle-end/18259
10809 * tree-dump.c (dump_real): New function.
10810 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10811 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10812 (tree-dump.o): Add $(REAL_H) to the dependencies.
10814 2006-03-16 Roger Sayle <roger@eyesopen.com>
10816 PR middle-end/21781
10817 * real.c (real_from_string): If the mantissa is zero, don't bother
10818 parsing the exponent as the result should always be zero.
10820 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10822 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10824 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10826 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10827 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10828 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10829 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10830 ia64_sched_finish_global): New static functions to implement
10831 hooks from gcc_target.sched.
10832 (spec_check_no, max_uid, pending_data_specs): New static variables.
10833 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10834 ia64_spec_check_src_p): New static functions.
10835 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10836 (TARGET_SCHED_ADJUST_COST): Removed.
10837 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10838 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10839 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10840 TARGET_SCHED_GEN_CHECK,
10841 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10842 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10843 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10844 Fixed to handle speculation checks.
10845 (rtx_needs_barrier): Fixed to handle speculative loads and
10847 (ia64_variable_issue): Added code to count speculative loads and their
10849 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10851 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10853 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10855 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10856 (ia64_reorg): Reset stops_p to NULL after it is freed.
10857 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10858 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10859 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10861 (data_speculative, control_speculative, check_load): New attributes.
10862 (mov<mode>_advanced, mov<mode>_speculative,
10863 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10864 zero_extend<mode>di2_speculative,
10865 zero_extend<mode>di2_speculative_advanced): New patterns for
10866 data and control speculative loads.
10867 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10869 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10870 New pattern for data and control speculation checks.
10871 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10872 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10873 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10874 Auxiliary definitions for the patterns.
10875 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10876 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10878 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10880 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10881 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10882 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10883 New resource constraints.
10884 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10886 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10887 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10888 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10889 msched-in-control-spec, msched-ldc, msched-control-ldc,
10890 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10891 msched-prefer-non-control-spec-insns,
10892 msched-count-spec-in-critical-path): New flags to tune speculative
10894 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10895 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10896 msched-in-control-spec, msched-ldc, msched-control-ldc,
10897 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10898 msched-prefer-non-control-spec-insns,
10899 msched-count-spec-in-critical-path): Document new flags.
10901 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10903 * target.h (struct spec_info_def): New opaque declaration.
10904 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10905 speculate_insn, needs_block_p, gen_check,
10906 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10907 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10908 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10909 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10910 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10911 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10913 (TARGET_SCHED): Use new macros.
10914 * rtl.h (copy_DEPS_LIST_list): New prototype.
10915 * sched-int.h (struct sched_info): Change signature of new_ready field,
10916 adjust all initializations. New fields: add_remove_insn,
10917 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10918 region_head_or_leaf_p.
10919 (struct spec_info_def): New structure declaration.
10920 (spec_info_t): New typedef.
10921 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10922 recovery_block, orig_pat.
10923 (glat_start, glat_end): New variables declaraions.
10924 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10926 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10927 DETACH_LIFE_INFO, USE_GLAT.
10928 (enum SPEC_SCHED_FLAGS): New enumeration.
10929 (NOTE_NOTE_BB_P): New macro.
10930 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10931 attach_life_info, debug_spec_status, check_reg_live): New functions.
10932 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10933 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10935 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10936 * ddg.c (get_block_head_tail): Adjust all uses.
10937 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10938 (sms_sched_info): Initialize new fields.
10939 (contributes_to_priority): Removed.
10940 * haifa-sched.c (params.h): New include.
10941 (get_block_head_tail): Adjust all uses.
10942 (ISSUE_POINTS): New macro.
10943 (glat_start, glat_end): New global variables.
10944 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10945 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10946 old_last_basic_block, before_recovery, current_sched_info_var,
10947 rgn_n_insns, luid): New static variables.
10948 (insn_cost1): New function. Move logic from insn_cost to here.
10949 (find_insn_reg_weight1): New function. Move logic from
10950 find_insn_reg_weight to here.
10951 (reemit_notes, move_insn, max_issue): Change signature.
10952 (move_insn1): Removed.
10953 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10954 extend_bb): New static functions to support extension of scheduler's
10956 (generate_recovery_code, process_insn_depend_be_in_spec,
10957 begin_speculative_block, add_to_speculative_block,
10958 init_before_recovery, create_recovery_block, create_check_block_twin,
10959 fix_recovery_deps): New static functions to support
10960 generation of recovery code.
10961 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10962 restore_bb_notes, move_block_after_check, move_succs): New static
10963 functions to support ebb scheduling.
10964 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10965 functions to support handling of register live information.
10966 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10967 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10968 add_jump_dependencies): New static functions.
10969 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10970 consistancy checking.
10971 (debug_spec_status): New function to call from debugger.
10972 (priority): Added code to handle speculation checks.
10973 (rank_for_schedule): Added code to distinguish speculative instructions.
10974 (schedule_insn): Added code to handle speculation checks.
10975 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10976 Fixed to handle ebbs.
10977 (move_insn): Added code to handle ebb scheduling.
10978 (max_issue): Added code to use ISSUE_POINTS of instructions.
10979 (choose_ready): Added code to choose between speculative and
10980 non-speculative instructions.
10981 (schedule_block): Added code to handle ebb scheduling and scheduling of
10982 speculative instructions.
10983 (sched_init): Initialize new variables.
10984 (sched_finish): Free new variables. Print statistics.
10985 (try_ready): Added code to handle speculative instructions.
10986 * lists.c (copy_DEPS_LIST_list): New function.
10987 * sched-deps.c (extend_dependency_caches): New function. Move logic
10988 from create_dependency_caches to here.
10989 (get_dep_weak, ds_merge): Make global.
10990 * genattr.c (main): Code to output prototype for
10991 dfa_clear_single_insn_cache.
10992 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10993 (output_dfa_clean_insn_cache_func): Code to output
10994 dfa_clear_single_insn_cache function.
10995 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10997 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10999 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
11000 New static variables.
11001 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
11002 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
11004 (ebb_sched_info): Initialize new fields.
11005 (get_block_head_tail): Adjust all uses.
11006 (compute_jump_reg_dependencies): Fixed to use glat_start.
11007 (schedule_ebb): Code to remove unreachable last block.
11008 (schedule_ebbs): Added code to update register live information.
11009 * sched-rgn.c (region_sched_info): Initialize new fields.
11010 (get_block_head_tail): Adjust all uses.
11011 (last_was_jump): Removed. Adjust users.
11012 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
11013 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
11014 Implement new hooks.
11015 (check_dead_notes1): New static function.
11016 (struct region): New fields: dont_calc_deps, has_real_ebb.
11017 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
11018 (BB_TO_BLOCK): Fixed to handle EBBs.
11019 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
11020 (ebb_head): New static variable.
11021 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
11022 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
11024 (compute_dom_prob_ps): New assertion.
11025 (check_live_1, update_live_1): Fixed to work with glat_start instead of
11026 global_live_at_start.
11027 (init_ready_list): New assertions.
11028 (can_schedule_ready_p): Split update code to begin_schedule_ready.
11029 (new_ready): Add support for BEGIN_CONTROL speculation.
11030 (schedule_insns): Fixed code that updates register live information
11032 (schedule_region): Fixed to handle EBBs.
11033 (init_regions): Use extend_regions and check_dead_notes1.
11034 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
11035 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
11036 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
11037 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11038 TARGET_SCHED_GEN_CHECK,
11039 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11040 TARGET_SCHED_SET_SCHED_FLAGS): Document.
11041 * doc/invoke.texi (max-sched-insn-conflict-delay,
11042 sched-spec-prob-cutoff): Document.
11044 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11046 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
11047 inter_tick, queue_index.
11048 (struct sched_info): Change signature of init_ready_list field.
11049 Adjust all initializations.
11050 (RESOLVED_DEPS): New access macro.
11051 (ready_add): Remove prototype.
11052 (try_ready): Add prototype.
11053 * sched-rgn.c (init_ready_list): Use try_ready.
11054 (schedule_region): Initialize
11055 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
11056 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
11057 (init_ready_list): Use try_ready.
11058 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
11059 * lists.c (remove_list_elem): Remove `static'.
11060 (remove_free_INSN_LIST_elem): New function.
11061 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
11062 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
11063 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
11065 (readyp): New variable.
11066 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
11067 change_queue_index, resolve_dep): New static functions.
11068 (try_ready): New function. Adjust callers in sched-rgn.c and
11069 sched-ebb.c to use it instead of ready_add.
11070 (clock_var): Move at the begining of file.
11071 (rank_for_schedule): Fix typo.
11072 (queue_insn): Add assertion. Handle QUEUE_INDEX.
11073 (ready_lastpos): Enforce assertion.
11074 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
11075 update all callers.
11076 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
11077 (schedule_insn): Rewrite to use try_ready and resolve_dep.
11078 (queue_to_ready): Use free_INSN_LIST_list.
11079 (early_queue_to_ready): Fix typo.
11080 (schedule_block): Init readyp. Move init_ready_list call after the
11081 initialization of clock_var. Fix error in rejecting insn by
11082 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
11083 that previously corrected INSN_TICKs. Add code for handling
11085 (set_priorities): Fix typo.
11086 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
11087 Clarify comment and code that keeps current_sched_info->next_tail
11090 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11092 * sched-rgn.c (extend_rgns): New static function.
11093 (find_rgns): Use it.
11094 (gather_region_statistics, print_region_statistics): New static
11096 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
11097 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11099 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11100 Andrey Belevantsev <abel@ispras.ru>
11102 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
11103 * lists.c (unused_deps_list): New variable.
11104 (free_list): Add assertions to verify the proper distinguishing
11105 between INSN_LISTs and DEPS_LISTs.
11106 (find_list_elem, remove_list_elem, remove_list_node): New static
11108 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
11109 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
11110 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
11111 (alloc_INSN_LIST): Assert that the list we're working on is indeed
11113 (free_INSN_LIST_node): Likewise.
11114 * modulo-sched.c (current_sched_info): Initialize flags field.
11115 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
11116 * rtl.def (DEPS_LIST): Define.
11117 * rtl.h: Declare new functions from lists.c.
11118 * sched-deps.c (spec_dependency_cache): New static variable.
11119 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
11120 (add_dependence): Change return type to void. Move the logic to ...
11121 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
11122 (delete_all_dependences): Add comment about forward_dependency_cache.
11123 Handle spec_dependency_cache. Handle DEPS_LISTs.
11124 (fixup_sched_groups): Clarify the change of priority of output
11125 and anti dependencies.
11126 (sched_analyze_2): Adjust add_dependence calls to create data
11127 speculative dependence.
11128 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
11129 Adjust all callers. Handle DEPS_LISTS.
11130 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
11131 presence of speculation.
11132 (init_dependency_caches, free_dependency_caches):
11133 Handle spec_dependency_cache.
11134 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
11135 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
11136 New static functions.
11137 (add_or_update_back_dep, add_or_update_back_forw_dep,
11138 add_back_forw_dep, delete_back_forw_dep): New functions.
11139 * sched-int.h (ds_t, dw_t): New typedefs.
11140 (struct sched_info): Add new field flags.
11141 (struct haifa_insn_data): Add new bitfield has_internal_dep.
11142 Prototype new sched-deps.c functions.
11143 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
11144 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
11145 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
11146 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
11147 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
11148 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
11150 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
11152 * sched-rgn.c (current_sched_info): Initialize flags field.
11153 (schedule_insns): Initialize current_sched_info before the sched_init
11155 * sched-ebb.c (current_sched_info): Initialize flags field.
11156 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
11157 Call add_or_update_back_dep instead of add_dependence.
11158 Create control speculative dependencies.
11159 (schedule_insns): Initialize current_sched_info before the sched_init
11162 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
11164 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
11166 (sh_fallback_frame_state): Likewise.
11168 2006-03-15 Geoffrey Keating <geoffk@apple.com>
11170 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
11171 Do switch on default_use_cxa_atexit.
11172 (powerpc*-*-darwin*): Build crt2.o on powerpc.
11173 * config/darwin-crt3.o: New.
11174 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
11175 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
11176 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
11178 * config/rs6000/t-darwin: Move crt2.o building to here.
11179 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
11180 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
11183 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11185 * config/vax/vax.c (nonindexed_address_p): Change logical negation
11186 from '! xxx' to '!xxx' for coding-style conformance.
11187 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
11188 (EXTRA_CONSTRAINT): Likewise.
11189 * config/vax/vax.md (four unnamed insns): Likewise.
11191 2006-03-15 Paul Brook <paul@codesourcery.com>
11193 * config/arm/arm.c (minipool_pad): New.
11194 (add_minipool_forward_ref): Include pool alignment padding in address
11196 (push_minipool_fix): Set minipool_pad.
11197 (minipool_pad): Ditto.
11199 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11201 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
11202 instead of GET_CODE() == MEM and REG_P() instead of
11204 (print_operand_address): Likewise.
11205 (vax_address_cost): Likewise.
11206 (vax_rtx_costs): Likewise.
11207 (vax_notice_update_cc): Likewise.
11208 (vax_output_int_add): Likewise.
11209 (INDEX_REGISTER_P): Likewise.
11210 (BASE_REGISTER_P): Likewise.
11211 (nonindexed_address_p): Likewise.
11212 (vax_mode_dependent_address_p): Likewise.
11213 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
11214 (PRINT_OPERAND): Likewise.
11215 * config/vax/vax.md (ashlsi3): Likewise.
11216 (ashlsi3): Likewise.
11217 (some more unnamed insns): Likewise.
11219 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
11221 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
11222 iterator-style macro.
11223 (mark_control_dependent_edges_necessary): Update the use of
11224 EXECUTE_IF_CONTROL_DEPENDENT.
11226 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
11228 * config/sh/predicates.md (cache_address_operand): Special.
11229 (ua_address_operand): Likewise.
11231 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
11233 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
11235 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
11237 2006-03-15 Andreas Schwab <schwab@suse.de>
11239 * gensupport.c (identify_predicable_attribute): Don't free p_false
11240 when it is still in use.
11242 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
11244 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
11245 the default setting here.
11247 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
11249 * tree-pass.h (pass_cfg): Remove.
11250 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
11251 * passes.c (pass_cfg): Don't run it.
11253 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
11255 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
11256 * reg-stack.c (stack_regs_mentioned_data): Change the type to
11258 (stack_regs_mentioned): Update the uses of
11259 stack_regs_mentioned_data. Don't access the array beyond its
11261 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
11262 Don't include gt-reg-stack.h.
11264 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
11265 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
11267 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
11269 PR middle-end/26684
11270 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
11273 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11275 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
11277 2006-03-14 Richard Guenther <rguenther@suse.de>
11279 PR tree-optimization/26672
11280 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
11283 2006-03-14 Richard Guenther <rguenther@suse.de>
11285 PR tree-optimization/26667
11286 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
11287 node for the callees. Always allow inlining if it will shrink
11290 2006-03-14 Richard Guenther <rguenther@suse.de>
11292 PR middle-end/26659
11293 * builtins.c (get_pointer_alignment): Prefer alignment
11294 information from decls over that from types.
11296 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
11299 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
11301 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
11303 * config/rs6000/rs6000.opt (mdlmzb): New option.
11304 (msched-prolog, msched-epilog): Use Var not Mask.
11305 * doc/invoke.texi (-mdlmzb): Document.
11306 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11308 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
11309 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
11311 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
11313 PR rtl-optimization/25739
11314 * bt-load.c (augment_live_range): Free tos pointer.
11316 * gensupport.c (identify_predicable_attribute): Free
11318 * gcov.c (create_file_names): Free name pointer.
11320 2006-03-13 Roger Sayle <roger@eyesopen.com>
11322 PR middle-end/26557
11323 * stmt.c (emit_case_nodes): Handle the case where the index is a
11324 CONST_INT, where the comparison mode is specified by the index type.
11326 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11328 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
11331 2006-03-13 Richard Sandiford <richard@codesourcery.com>
11333 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
11334 (*branch_fp_inverted): Likewise.
11336 2006-03-13 Jakub Jelinek <jakub@redhat.com>
11338 PR middle-end/25989
11339 * omp-low.c (expand_omp_for_generic): Mark istart0
11340 and iend0 as addressable.
11342 2006-03-13 Jie Zhang <jie.zhang@analog.com>
11344 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
11346 2006-03-13 Jeff Law <law@redhat.com>
11348 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
11349 virtual operands are interesting.
11350 (vrp_visit_stmt): Corresponding changes.
11352 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
11354 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
11356 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
11357 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
11358 * config/bfin/crti.S: Use it instead of __PIC__.
11359 * config/bfin/crtn.S: Likewise.
11361 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
11362 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
11364 Lose 'G' modifier for call operand.
11365 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
11366 recognize 'G' modifier.
11368 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
11370 PR middle-end/18859
11371 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
11372 * stmt.c (expand_case): Likewise.
11374 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11376 PR rtl-optimization/26254
11377 * loop-invariant.c (seq_insns_valid_p): New function.
11378 (move_invariant_reg): Only emit new code if it is valid.
11380 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11382 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
11384 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
11385 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
11386 (commit_one_edge_insertion): Do not look for loop notes.
11388 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11390 * jump.c (follow_jumps): Do not check for loop notes. Move check for
11391 flag_test_coverage out of loop.
11393 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11395 * final.c (shorten_branches): Remove outdated comment, and turn
11396 the if branch that guards it to continue.
11398 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11400 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
11401 * cfgloop.h (struct loop): Remove unused fields.
11403 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
11405 * doc/invoke.texi (-fdump-rtl-loop): Remove.
11406 (-dL, -fdump-rtl-loop2): Update the dump file names
11408 * doc/invoke.texi: Update dump file names.
11410 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
11412 * predict.c (estimate_probability): Remove.
11413 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
11414 * basic-block.h (estimate_probability): Remove prototype.
11415 * passes.c (finish_optimization_passes): Dump branch prediction or
11416 profiling heuristics to the .profile tree dump.
11417 (init_optimization_passes): Unqueue pass_branch_prob.
11419 * doc/invoke.texi (-fdump-rtl-bp): Remove.
11421 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11423 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
11424 * rtl.h (LABEL_NEXTREF): Remove field accessor.
11426 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
11428 * function.h (frame_offset_overflow): Declare.
11429 * function.c (frame_offset_overflow): New function.
11430 (assign_stack_local_1): Call it to detect that the offset overflows.
11431 * cfgexpand.c (alloc_stack_frame_space): Likewise.
11433 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11435 * config/sh/sh.c: Include alloc-pool.h.
11436 (label_ref_list_pool): New alloc pool.
11437 (label_ref_list_t): New type for lists of labels.
11438 (struct pool_node): Make wend a label_ref_list_t.
11439 (add_constant): Use the new type, eradicate LABEL_NEXTREF
11441 (dump_table): Likewise.
11442 (sh_reorg): Set up the alloc pool before using add_constant and
11443 dump_table, and destroy it when finishing.
11445 2006-03-11 Richard Sandiford <richard@codesourcery.com>
11447 * config/mips/mips.c: Remove redundant comment.
11449 2006-03-10 Jason Merrill <jason@redhat.com>
11452 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
11453 the target was declared 'register'.
11455 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
11457 * genpreds.c (write_insn_constraint_len): Change definition of
11458 insn_constraint_len to return size_t to match the declaration.
11460 2006-03-10 DJ Delorie <dj@redhat.com>
11462 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
11464 (m32c_expand_insv): Fix test for an AND mask.
11466 2006-03-10 Richard Guenther <rguenther@suse.de>
11468 PR middle-end/26565
11469 * builtins.c (get_pointer_alignment): Handle component
11470 references for field alignment.
11472 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11474 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
11475 when building with libgloss.
11476 (sh*elf): Implement --without-fp option.
11477 (sh64-superh-linux*): Don't multilib.
11479 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11481 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
11483 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
11485 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
11486 Set it when one of the replacement functions returned true.
11487 Return TODO_cleanup_cfg if cfgchanged is true.
11488 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
11490 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
11492 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
11493 instead of gen_lowpart.
11495 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11497 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
11499 (mips_output_order_conditional_branch): Declare.
11500 * config/mips/mips.h (MIPS_BRANCH): New macro.
11501 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
11502 for the comparison. Use gen_condjump.
11503 (mips_output_conditional_branch): Rework interface to take the
11504 asm templates for a direct branch and the inverse of a direct branch.
11505 (mips_output_order_conditional_branch): New function.
11506 (mips_builtin_branch_and_move): New function.
11507 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
11508 branch condition. Use gen_single_cc as the condition for
11509 __builtin_mips_upper_* or __builtin_mips_lower_*.
11510 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
11511 Use VOIDmode for the branch condition.
11512 * config/mips/predicates.md (order_operator): New predicate.
11513 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
11514 (branch_fp): Rename to...
11515 (*branch_fp): ...this. Remove mode from comparison operator.
11516 Use new mips_output_conditional_branch interface.
11517 (branch_fp_inverted): Rename to...
11518 (*branch_fp_inverted): ...this and update as for *branch_fp.
11519 (*branch_zero<mode>): Rename to...
11520 (*branch_order<mode>): ...this. Remove mode from comparison operator.
11521 Use mips_output_order_conditional_branch. Only accept ordered
11523 (*branch_zero<mode>_inverted): Rename to...
11524 (*branch_order<mode>_inverted): ...this and update as for
11525 *branch_order<mode>.
11526 (*branch_equality<mode>): Accept zero as the second operand to
11527 the equality operator. Use the new mips_output_conditional_branch
11529 (*branch_equality<mode>_inverted): Likewise.
11530 (condjump): New expander.
11531 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
11533 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
11534 (bc1any2t, bc1any2f): Likewise.
11535 (single_cc): New expander.
11536 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
11538 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11540 * doc/md.texi: Update documentation of MIPS constraints.
11541 * config/mips/constraints.md: New file.
11542 * config/mips/mips.md: Include it.
11543 * config/mips/mips.c (mips_char_to_class): Delete.
11544 (override_options): Don't initialize mips_char_to_class.
11545 * config/mips/mips.h (mips_char_to_class): Delete.
11546 (REG_CLASS_FROM_LETTER): Delete.
11547 (CONST_OK_FOR_LETTER_P): Delete.
11548 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11549 (EXTRA_CONSTRAINT_Y): Delete.
11550 (EXTRA_CONSTRAINT_STR): Delete.
11551 (CONSTRAINT_LEN): Delete.
11552 (EXTRA_MEMORY_CONSTRAINT): Delete.
11554 2006-03-09 Diego Novillo <dnovillo@redhat.com>
11556 * tree-cfg.c (move_block_to_fn): Remove the statements from the
11557 original fn's eh regions.
11559 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
11561 * fold-const.c (build_range_check): Make sure to use a valid type to
11562 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
11565 (range_predecessor): New static function.
11566 (range_successor): Likewise.
11567 (merge_ranges): Use them to compute predecessors and successors of
11570 2006-03-09 Roger Sayle <roger@eyesopen.com>
11572 PR middle-end/26561
11573 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
11574 X op C3, consider whether C3 overflows towards +Inf or -Inf.
11576 2006-03-08 DJ Delorie <dj@redhat.com>
11578 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
11579 (addpsi3): Expand to include memory operands. Remove
11580 reload-specific splits.
11581 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
11582 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
11583 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
11584 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
11585 (shift1_qi, shift1_hi, insv): New.
11586 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
11587 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
11588 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
11590 * config/m32c/m32c-protos.h: Update as needed.
11591 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
11592 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
11593 Fail for unrecognized R* constraints.
11594 (m32c_cannot_change_mode_class): Be more picky about pseudos.
11595 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
11596 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
11598 (m32c_init_libfuncs): New.
11599 (m32c_legitimate_address_p): Add debug wrapper.
11600 (m32c_rtx_costs): New.
11601 (m32c_address_cost): New.
11602 (conversions): Add 'B' prefix.
11603 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
11604 operands, or word regnames for QI operands. 'B' prints bit
11606 (m32c_expand_setmemhi): New.
11607 (m32c_expand_movmemhi): New.
11608 (m32c_expand_movstr): New.
11609 (m32c_expand_cmpstr): New.
11610 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
11611 (m32c_expand_neg_mulpsi3): Handle non-ints.
11612 (m32c_cmp_flg_0): New.
11613 (m32c_expand_movcc): New.
11614 (m32c_expand_insv): New.
11615 (m32c_scc_pattern): New.
11616 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
11617 a0/a1 out of SIregs.
11618 (STORE_FLAG_VALUE): New.
11619 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
11622 * config/m32c/mov.md: Make constraints more liberal.
11623 (zero_extendqihi2): Optimize r0/r1 case.
11624 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
11625 * config/m32c/predicates.md (m32c_any_operand): New.
11626 (m32c_nonimmediate_operand): New.
11627 (m32c_hl_operand): New.
11628 (m32c_r3_operand): New.
11631 (memsym_operand): New.
11632 (memimmed_operand): New.
11633 (a_qi_operand): New.
11634 (m32c_eqne_operator): New.
11635 (m32c_1bit8_operand): New.
11636 (m32c_1bit16_operand): New.
11637 (m32c_1mask8_operand): New.
11638 (m32c_1mask16_operand): New.
11639 * config/m32c/blkmov.md: New file.
11640 * config/m32c/t-m32c (MD_FILES): Add blkmov.
11642 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
11644 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
11645 unsigned to fix signed/unsigned comparison issue in
11646 DWARF2_FRAME_REG_OUT.
11647 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
11648 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
11650 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
11651 of ptr into the ENABLE_CHECKING section.
11653 2006-03-08 Jeff Law <law@redhat.com>
11655 * tree-vrp.c (infer_value_range): Only count pointer uses
11656 and dereferences if -fdelete-null-pointer-checks is enabled.
11658 * tree-vrp.c (find_assert_locations): Infer value ranges for
11659 single use pointers, but do not create ASSERT_EXPRs for them.
11660 When a non-null range is inferred for a pointer, backwards
11661 propagate that range to other equivalent pointers through the
11664 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
11667 * Makefile.in (dvi, html, install-info): Invoke the corresponding
11668 language hook targets.
11669 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
11670 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
11671 if language hook targets were missing.
11673 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
11675 * tree-ssa-opfinalize.h: Removed.
11676 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
11678 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
11679 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
11680 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
11681 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
11682 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
11683 finalize_ssa_v_must_def_ops): New.
11685 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
11687 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
11688 block as parameter.
11690 2006-03-07 Geoffrey Keating <geoffk@apple.com>
11692 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
11694 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
11695 addresses with offsets; reorganize.
11697 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
11698 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
11699 (expand_builtin_init_dwarf_reg_sizes): Likewise.
11701 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
11704 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
11706 2006-03-08 Ben Elliston <bje@au.ibm.com>
11708 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
11710 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
11713 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11716 2006-03-07 Richard Guenther <rguenther@suse.de>
11718 PR tree-optimization/26587
11719 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11721 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11723 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11725 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11727 * hooks.c (hook_bool_mode_rtx_true): New function.
11728 * hooks.h (hook_bool_mode_rtx_true): Declare.
11729 * toplev.c (compile_file): Call output_shared_constant_pool.
11730 * varasm.c (shared_constant_pool): New variable.
11731 (assemble_start_function, assemble_end_function): Remove arguments
11732 from call to output_constant_pool.
11733 (create_constant_pool): New function, split out from...
11734 (init_varasm_status): ...here.
11735 (force_const_mem): Choose between the shared and per-function constant
11736 pools. Set current_function_uses_const_pool when reusing old entries
11737 as well as when creating new ones.
11738 (mark_constant): Ignore data argument.
11739 (mark_constants): Remove pool argument.
11740 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
11741 to decide whether the function uses a constant pool.
11742 (output_constant_pool_contents): New function, split out from...
11743 (output_constant_pool): ...here.
11744 (output_shared_constant_pool): New function.
11745 (init_varasm_once): Initialize shared_constant_pool.
11746 * output.h (output_constant_pool): Delete.
11747 (output_shared_constant_pool): Declare.
11748 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11749 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11751 2006-03-06 Nick Clifton <nickc@redhat.com>
11753 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11754 flag_strength_reduce.
11756 2006-03-06 Ben Elliston <bje@au.ibm.com>
11758 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11759 x86_64-*-linux* configurations.
11761 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11762 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11764 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11766 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11768 * basic-block.h: Remove the extern for
11769 rediscover_loops_after_threading.
11771 * cfgloop.c (cancel_loop): Make it static.
11772 * cfgloop.h: Remove the prototype for cancel_loop.
11774 * flow.c (recompute_reg_usage): Make it static.
11775 * rtl.h: Remove the prototype for recompute_reg_usage.
11777 * function.c (use_return_register): Make it static.
11778 * function.h: Remove the prototype.
11780 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11782 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11784 * recog.h: Remove the prototype for
11785 validate_change_maybe_volatile.
11787 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11789 * rtlanal.c (replace_reg): Remove.
11790 * rtl.h: Remove the prototype for replace_reg.
11792 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11794 * regclass.c (reg_scan_update): Remove.
11795 (reg_scan_mark_refs): Remove the last argument.
11796 * rtl.h: Remove the prototype for reg_scan_update.
11798 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11800 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11801 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11802 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11803 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11804 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11805 loop-invariant.c, omp-low.c, opts.c, passes.c,
11806 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11807 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11808 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11809 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11810 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11811 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11813 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11815 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11816 * dwarf2out.h: Remove the prototype for
11817 dwarf2out_add_library_unit_info.
11819 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11821 * tree.c (add_var_to_bind_expr): Remove.
11822 * tree.h: Remove the prototype for add_var_to_bind_expr.
11824 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11826 * regclass.c (n_non_fixed_regs): Remove.
11827 (init_reg_sets_1, globalize_reg): Remove all uses of
11829 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11831 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11833 * rtlanal.c (insns_safe_to_move_p): Remove.
11834 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11836 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11838 * expmed.c (expand_mult_add): Remove.
11839 * expr.h: Remove the prototype for expand_mult_add.
11841 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11843 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11844 and REG_SAVED_VAL_EXP constants.
11845 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11846 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11847 Handle regs stored by value.
11848 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11849 (execute_cfa_program): Handle DW_CFA_val_offset,
11850 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11851 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11852 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11853 (uw_install_context_1): Handle target regs stored by value.
11855 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11857 * tree-sra.c (tree_sra): Return todoflags;
11858 (generate_one_element): Set TODO_update_smt_usage if needed.
11859 (pass_sra): Remove TODO_update_smt_usage.
11860 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11862 (tree_ssa_forward_propagate_single_use_vars): Return
11863 TODO_update_smt_usage if we need to update SMT usage.
11864 (pass_forwprop): Remove TODO_update_smt_usage.
11866 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11868 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11869 (correct_use_link): Remove reference to get_stmt_operands.
11870 (update_stmt_operands): Likewise.
11871 (get_modify_expr_operands): New function factored out of
11872 parse_ssa_operands and get_expr_operands.
11873 Try to create V_MUST_DEFs for LHS by default.
11874 (get_expr_operands) <case MODIFY_EXPR>: Call
11875 get_modify_expr_operands.
11876 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11877 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11878 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11879 get_modify_expr_operands.
11881 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11883 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11884 * tree-flow.h: Remove the prototype for
11885 referenced_var_lookup_if_exists.
11887 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11889 PR rtl-optimization/26345
11891 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11893 2006-03-03 Roger Sayle <roger@eyesopen.com>
11895 PR tree-optimization/26524
11896 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11897 fold_convert to create a constant of the appropriate type.
11899 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11901 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11902 SYMBOL_REF_IN_BLOCK_P.
11903 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11904 of SYMBOL_FLAG_IN_BLOCK.
11905 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11906 instead of SYMBOL_REF_IN_BLOCK_P.
11907 * explow.c (use_anchored_address): Likewise.
11908 * rtl.c (rtx_size): Likewise.
11909 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11910 instead of SYMBOL_FLAG_IN_BLOCK.
11911 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11912 SYMBOL_REF_IN_BLOCK_P.
11913 (assemble_variable): Likewise.
11914 (output_constant_def_contents): Likewise.
11915 (output_constant_pool): Likewise.
11916 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11917 instead of SYMBOL_FLAG_IN_BLOCK.
11918 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11919 SYMBOL_REF_IN_BLOCK_P.
11920 (SYMBOL_REF_BLOCK): Likewise.
11921 (SYMBOL_REF_OFFSET): Likewise.
11922 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11923 SYMBOL_REF_IN_BLOCK_P.
11924 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11925 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11926 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11927 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11929 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11931 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11933 2006-03-02 Roger Sayle <roger@eyesopen.com>
11935 * simplify-rtx.c (simplify_unary_operation): When simplifying
11936 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11937 that we perform the right shift in the appropriate mode, and
11938 then extend or truncate the result to requested mode.
11940 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11942 * gengtype.c (main): Handle double_int type.
11943 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11944 * double-int.c: New file.
11945 * double-int.h: New file.
11946 * system.h: Include doubleint.h.
11947 * Makefile.in (SYSTEM_H): Include double-int.h.
11948 (double-int.o): Add.
11950 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11953 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11956 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11958 * tree-vrp.c (remove_range_assertions): Do not update statements
11961 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11963 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11965 * gcse.c (rest_of_handle_gcse): Ditto.
11966 * except.c (gate_handle_eh): Ditto.
11967 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11968 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11970 2006-03-02 Eric Christopher <echristo@apple.com>
11972 * config/i386/i386.c (machopic_output_stub): Add indirection to
11975 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11979 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11981 Sun Niagara specific optimizations.
11982 * config.gcc: Recognize niagara as target.
11983 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11984 (TARGET_CPU_niagara): Define.
11985 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11986 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11987 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11988 (ASM_CPU_SPEC): Likewise.
11989 (PROCESSOR_NIAGARA): New enum entry.
11990 (REGISTER_MOVE_COST): Handle Niagara.
11991 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11992 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11993 (sparc_override_options): Recognize "niagara", set appropriate
11994 default MASK_* values for it, and align functions to 32-bytes
11995 by default just like ULTRASPARC/ULTRASPARC3.
11996 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11997 (sparc64_initialize_trampoline): Likewise.
11998 (sparc_use_sched_lookahead): Use zero for niagara.
11999 (sparc_issue_rate): Use one for niagara.
12000 * config/sparc/niagara.md: New file.
12001 * config/sparc/sparc.md: Include it.
12002 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
12003 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
12004 when default cpu is niagara.
12005 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12006 (ASM_CPU_SPEC): Likewise.
12007 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
12008 when default cpu is niagara.
12009 (ASM_CPU_SPEC): Handle -mcpu=niagara.
12010 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
12011 just like v9/ultrasparc/ultrasparc3.
12012 * doc/invoke.texi: Add documentation for "niagara" and improve
12013 existing documentation for ultrasparc variants.
12015 2006-03-02 Diego Novillo <dnovillo@redhat.com>
12017 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
12019 2006-03-02 Richard Sandiford <richard@codesourcery.com>
12021 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
12022 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
12023 and say that only one is needed.
12024 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
12025 * target.h (have_switchable_bss_sections): New hook.
12026 * explow.c (use_anchored_address): Check that the symbol is in a block.
12027 * varasm.c (tls_comm_section, comm_section, lcomm_section)
12028 (bss_noswitch_section): New variables.
12029 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
12030 (get_noswitch_section): New function.
12031 (get_block_for_section): Allow SECT to be null.
12032 (unlikely_text_section_p): Use SECTION_STYLE.
12033 (bss_initializer_p): New function.
12034 (get_variable_section): Move earlier in file. Take a new argument,
12035 prefer_noswitch_p. Move bss checks from assemble_variable to here.
12036 Return one of the new *_sections in such cases.
12037 (get_block_for_decl): New function, extracting some logic from
12038 use_blocks_for_decl_p.
12039 (change_symbol_section): Remove in favor of...
12040 (change_symbol_block): ...this new function.
12041 (use_blocks_for_decl_p): Remove checks now performed by
12042 get_block_for_decl.
12043 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
12044 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
12045 (emit_local, emit_bss, emit_common): ...these new functions.
12046 Return true if the alignment was honored.
12047 (emit_tls_common): New function.
12048 (asm_emit_uninitialised): Delete.
12049 (assemble_variable_noswitch): New function, split out from...
12050 (assemble_variable): ...here. Don't make decisions about common
12051 variables here. Globalize all public decls that go into non-common
12052 sections. Check whether SYMBOL_REF_BLOCK is null.
12053 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
12054 (output_constant_pool): Likewise.
12055 (init_varasm_once): Initialize the new section variables.
12056 (have_global_bss_p): New function.
12057 (categorize_decl_for_section): Use bss_initializer_p.
12058 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
12059 (place_block_symbol): Assert that the symbol must be in a block.
12060 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
12061 (TARGET_INITIALIZER): Include it.
12062 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
12063 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
12064 (SECTION_MACH_DEP): Bump by two.
12065 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
12066 (unnamed_section): Mention SECTION_UNNAMED in comment.
12067 (named_section): Likewise SECTION_NAMED.
12068 (noswitch_section_callback): New type.
12069 (noswitch_section): New structure.
12070 (section): Add a noswitch_section alternative.
12071 (SECTION_STYLE): New macro.
12072 (tls_comm_section, comm_section, lcomm_section): Declare.
12073 (bss_noswitch_section, have_global_bss_p): Declare.
12074 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12075 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12077 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12078 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12081 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
12083 * tree-vrp.c (execute_vrp): Return value.
12084 * regrename.c (rest_of_handle_regrename): Ditto.
12085 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
12086 * tree-complex.c (tree_lower_complex): Ditto.
12087 (tree_lower_complex_O0): Ditto.
12088 * tracer.c (rest_of_handle_tracer): Ditto.
12089 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
12090 * postreload.c (rest_of_handle_postreload): Ditto.
12091 * tree-tailcall.c (execute_tail_recursion): Ditto.
12092 (execute_tail_calls): Ditto.
12093 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12094 * tree.h (init_function_for_compilation): Ditto.
12095 * ipa-cp.c (ipcp_driver): Ditto.
12096 * tree-scalar-evolution.c (scev_const_prop): Ditto.
12097 * tree-scalar-evolution.h (scev_const_prop): Ditto.
12098 * final.c (compute_alignments): Ditto.
12099 (rest_of_handle_final): Ditto.
12100 (rest_of_handle_shorten_branches): Ditto.
12101 (rest_of_clean_state): Ditto.
12102 * omp-low.c (execute_expand_omp): Ditto.
12103 (execute_lower_omp): Ditto.
12104 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
12105 * ipa-reference.c (static_execute): Ditto.
12106 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
12107 * reorg.c (rest_of_handle_delay_slots): Ditto.
12108 (rest_of_handle_machine_reorg): Ditto.
12109 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
12110 * flow.c (recompute_reg_usage): Ditto.
12111 (rest_of_handle_remove_death_notes): Ditto.
12112 (rest_of_handle_life): Ditto.
12113 (rest_of_handle_flow2): Ditto.
12114 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
12115 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
12116 (do_ssa_store_ccp): Ditto.
12117 (execute_fold_all_builtins): Ditto.
12118 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
12119 * modulo-sched.c (rest_of_handle_sms): Ditto.
12120 * ipa-pure-const.c (static_execute): Ditto.
12121 * cse.c (rest_of_handle_cse): Ditto.
12122 (rest_of_handle_cse2): Ditto.
12123 * web.c (rest_of_handle_web): Ditto.
12124 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
12125 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
12126 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
12127 * tree-nrv.c (tree_nrv): Ditto.
12128 (execute_return_slot_opt): Ditto.
12129 * tree-ssa-alias.c (compute_may_aliases): Ditto.
12130 (create_structure_vars): Ditto.
12131 * loop-init.c (rtl_loop_init): Ditto.
12132 (rtl_loop_done): Ditto.
12133 (rtl_move_loop_invariants): Ditto.
12134 (rtl_unswitch): Ditto.
12135 (rtl_unroll_and_peel_loops): Ditto.
12136 (rtl_doloop): Ditto.
12137 * gimple-low.c (lower_function_body): Ditto.
12138 (mark_used_blocks): Ditto.
12139 * tree-ssa-sink.c (execute_sink_code): Ditto.
12140 * ipa-inline.c (cgraph_decide_inlining): Ditto.
12141 (cgraph_early_inlining): Ditto.
12142 * global.c (rest_of_handle_global_alloc): Ditto.
12143 * jump.c (cleanup_barriers): Ditto.
12144 (purge_line_number_notes): Ditto.
12145 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
12146 (rest_of_handle_if_after_reload): Ditto.
12147 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
12148 (tree_ssa_loop_im): Ditto.
12149 (tree_ssa_loop_unswitch): Ditto.
12150 (tree_vectorize): Ditto.
12151 (tree_linear_transform): Ditto.
12152 (tree_ssa_loop_ivcanon): Ditto.
12153 (tree_ssa_empty_loop): Ditto.
12154 (tree_ssa_loop_bounds): Ditto.
12155 (tree_complete_unroll): Ditto.
12156 (tree_ssa_loop_prefetch): Ditto.
12157 (tree_ssa_loop_ivopts): Ditto.
12158 (tree_ssa_loop_done): Ditto.
12159 * predict.c (tree_estimate_probability): Ditto.
12160 * recog.c (split_all_insns_noflow): Ditto.
12161 (rest_of_handle_peephole2): Ditto.
12162 (rest_of_handle_split_all_insns): Ditto.
12163 * tree-eh.c (lower_eh_constructs): Ditto.
12164 * regmove.c (rest_of_handle_regmove): Ditto.
12165 (rest_of_handle_stack_adjustments): Ditto.
12166 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
12167 * function.c (instantiate_virtual_regs): Ditto.
12168 (init_function_for_compilation): Ditto.
12169 (rest_of_handle_check_leaf_regs): Ditto.
12170 * gcse.c (rest_of_handle_jump_bypass): Ditto.
12171 (rest_of_handle_gcse): Ditto.
12172 * ipa-type-escape.c (type_escape_execute): Ditto.
12173 * alias.c (rest_of_handle_cfg): Ditto.
12174 * tree-if-conv.c (main_tree_if_conversion): Ditto.
12175 * profile.c (rest_of_handle_branch_prob): Ditto.
12176 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
12177 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
12178 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
12179 * tree-dfa.c (find_referenced_vars): Ditto.
12180 * except.c (set_nothrow_function_flags): Ditto.
12181 (convert_to_eh_region_ranges): Ditto.
12182 (rest_of_handle_eh): Ditto.
12183 * emit-rtl.c (unshare_all_rtl): Ditto.
12184 (remove_unnecessary_notes): Ditto.
12185 * except.h (set_nothrow_function_flags): Ditto.
12186 (convert_to_eh_region_ranges): Ditto.
12187 * cfgexpand.c (tree_expand_cfg): Ditto.
12188 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
12189 * tree-ssa-pre.c (do_pre): Ditto.
12190 (execute_fre): Ditto.
12191 * cfgcleanup.c (rest_of_handle_jump): Ditto.
12192 (rest_of_handle_jump2): Ditto.
12193 * tree-sra.c (tree_sra): Ditto.
12194 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
12195 (execute_mudflap_function_decls): Ditto.
12196 * tree-ssa-copy.c (do_copy_prop): Ditto.
12197 (do_store_copy_prop): Ditto.
12198 * ipa-prop.h (ipcp_driver): Ditto.
12199 * cfglayout.c (insn_locators_initialize): Ditto.
12200 * tree-ssa-forwprop.c
12201 (tree_ssa_forward_propagate_single_use_vars): Ditto.
12202 * cfglayout.h (insn_locators_initialize): Ditto.
12203 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
12204 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
12205 (execute_late_warn_uninitialized): Ditto.
12206 * rtl.h (cleanup_barriers): Ditto.
12207 (split_all_insns_noflow): Ditto.
12208 (purge_line_number_notes): Ditto.
12209 (unshare_all_rtl): Ditto.
12210 (remove_unnecessary_notes): Ditto.
12211 (recompute_reg_usage): Ditto.
12212 (variable_tracking_main): Ditto.
12213 * integrate.c (emit_initial_value_sets): Ditto.
12214 * integrate.h (emit_initial_value_sets): Ditto.
12215 * tree-optimize.c (execute_free_datastructures): Ditto
12216 (execute_free_cfg_annotations): Ditto.
12217 (execute_fixup_cfg): Ditto.
12218 (execute_cleanup_cfg_pre_ipa): Ditto.
12219 (execute_cleanup_cfg_post_optimizing): Ditto.
12220 (execute_init_datastructures): Ditto.
12221 * tree-object-size.c (compute_object_sizes): Ditto.
12222 * combine.c (rest_of_handle_combine): Ditto.
12223 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
12224 * bb-reorder.c (duplicate_computed_gotos): Ditto.
12225 (rest_of_handle_reorder_blocks): Ditto.
12226 (rest_of_handle_partition_blocks): Ditto.
12227 * var-tracking.c (variable_tracking_main): Ditto.
12228 * tree-profile.c (tree_profiling): Ditto.
12229 * tree-vect-generic.c (expand_vector_operations): Ditto.
12230 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
12231 * sched-rgn.c (rest_of_handle_sched): Ditto.
12232 (rest_of_handle_sched2): Ditto.
12233 * basic-block.h (free_bb_insn): Ditto.
12234 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
12235 * tree-cfg.c (execute_build_cfg): Ditto.
12236 (remove_useless_stmts): Ditto.
12237 (split_critical_edges): Ditto.
12238 (execute_warn_function_return): Ditto.
12239 (execute_warn_function_noreturn): Ditto.
12240 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
12241 * cfgrtl.c (free_bb_for_insn): Ditto.
12242 * passes.c (execute_one_pass): Run additional
12243 todos returned by execute function.
12244 * tree-pass.h (struct tree_opt_pass): Make execute
12247 2006-03-02 Richard Guenther <rguenther@suse.de>
12249 * tree-ssa-alias.c (find_used_portions): Consider taking
12250 the address as making the variable not write-only.
12252 2006-03-02 Nick Clifton <nickc@redhat.com>
12254 * config.gcc (default_use_cxa_atexit): Extend the description of
12255 this configure variable. Set its default value to "yes" for
12256 Linux, NetBSD and ELF targets on the assumption that they will
12257 use C libraries with the __cxa_atexit function.
12259 2006-03-02 Ben Elliston <bje@au.ibm.com>
12261 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
12262 parameter as unused to suppress a build warning.
12264 2006-03-02 Ben Elliston <bje@au.ibm.com>
12266 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
12269 2006-03-01 Roger Sayle <roger@eyesopen.com>
12272 * gthr-posix.h (__gthrw2): Define to take three parameters, the
12273 declared name, the weak reference name, and the typeof name.
12274 (__gthrw): Avoid expanding the declared name suffix.
12275 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
12277 2006-03-01 Jakub Jelinek <jakub@redhat.com>
12279 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
12281 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
12282 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
12283 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
12284 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
12285 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
12286 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
12287 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
12288 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
12289 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
12290 DW_DS_leading_separate, DW_DS_trailing_separate): New.
12291 (DW_END_default, DW_END_big, DW_END_little): New.
12292 (DW_END_lo_user, DW_END_hi_user): Define.
12293 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
12294 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
12295 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
12298 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12300 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
12302 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
12304 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
12306 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
12308 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
12309 to 'symbol_mem_tag'.
12311 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
12314 2006-03-01 Roger Sayle <roger@eyesopen.com>
12316 * builtins.c (fold_builtin_copysign): Delete unreachable code.
12318 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12321 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
12322 MACHO_DYNAMIC_NO_PIC_P.
12323 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
12325 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12328 * config/darwin-protos.h (darwin_asm_output_anchor):
12330 * config/darwin-sections.def (cstring_section):
12331 Add SECTION_MERGE to the flags.
12332 (literal4_section): Likewise.
12333 (literal8_section): Likewise.
12334 (objc_selector_refs_section): Likewise.
12335 (objc_cls_refs_section): Likewise.
12336 * config/darwin.c (darwin_asm_output_anchor): New
12338 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12340 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
12342 Fix PR tree-optimization/26443
12343 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
12344 to todo and PROP_tmt_usage to properties_destroyed.
12345 * tree-ssa-ccp.c (pass_ccp): Ditto.
12346 (pass_store_ccp): Ditto.
12347 * tree-ssa-dom.c (pass_dominator): Ditto.
12349 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12351 * tree-ssa-operands.c: Cleanup whitespace.
12352 (get_asm_expr_operands): Move before first invocation.
12353 (get_indirect_ref_operands): Likewise.
12354 (get_tmr_operands): Likewise.
12355 (get_call_expr_operands): Likewise.
12356 (append_def): Likewise.
12357 (append_use): Likewise.
12358 (append_v_may_def): Likewise.
12359 (append_v_must_def): Likewise.
12360 (add_call_clobber_ops): Likewise.
12361 (add_call_read_ops): Likewise.
12362 (add_stmt_operand): Likewise.
12363 (add_virtual_operand): Likewise.
12364 (build_ssa_operands): Likewise.
12366 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12368 PR middle-end/26022
12370 PR middle-end/24437
12371 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12372 with a call expr to ...
12373 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12375 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12377 * tree-vrp.c (extract_range_from_assert): Remove special
12378 handling for types with super-types.
12380 2006-03-01 Ben Elliston <bje@au.ibm.com>
12382 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
12383 and powerpc64-*-linux* configurations.
12384 * config/t-dfprules: New file.
12386 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
12387 Compile dfp-bit.c from the source directory using -DWIDTH and
12388 $DFP_CFLAGS to control the compilation of that file, rather than
12389 generating width-specific versions in the build directory.
12390 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
12391 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
12393 2006-02-28 Zack Weinberg <zackw@panix.com>
12395 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
12398 2006-02-28 Eric Christopher <echristo@apple.com>
12400 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
12401 Set up IN_LIBGCC definition of TARGET_64BIT.
12402 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
12404 2006-02-28 Roger Sayle <roger@eyesopen.com>
12406 PR middle-end/14752
12407 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
12408 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
12409 cases via the construction of "expr != 0".
12411 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
12413 * alias.c (alias_invariant, alias_invariant_size): Remove.
12414 (record_base_value): Remove.
12415 (memrefs_conflict_p): Don't look at alias_invariant.
12416 (end_alias_analysis): Don't free it.
12417 * alias.h (record_base_value): Remove prototype.
12419 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
12420 Adam Nemet <anemet@caviumnetworks.com>
12422 * rtl.h (truncated_to_mode): Declare it.
12423 (struct rtl_hooks): Add reg_truncated_to_mode hook.
12424 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
12425 (RTL_HOOKS_INITIALIZER): Include it.
12426 * rtlhooks.c (reg_truncated_to_mode_general): New function.
12427 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
12428 reg_truncated_to_mode.
12429 * rtlanal.c (truncated_to_mode): Define it.
12430 * simplify-rtx.c (simplify_unary_operation_1): Use it.
12432 2006-02-28 Jeff Law <law@redhat.com>
12434 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
12435 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
12436 the range allowed by TYPE_PRECISION.
12438 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
12440 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
12442 PR tree-optimization/26419
12443 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
12446 2006-02-27 Zack Weinberg <zackw@panix.com>
12448 * doc/md.texi: Fix typo in previous change.
12450 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
12454 2006-02-27 Zack Weinberg <zackw@panix.com>
12456 * rtl.def (define_constraint, define_register_constraint)
12457 (define_memory_constraint, define_address_constraint): New MD forms.
12458 * gensupport.c (process_rtx): Put define_constraint etc on the
12460 * genpreds.c (process_define_predicate): Adjust comment. Validate
12461 the name, and call validate_exp to validate the expression.
12462 (mark_mode_tests, write_extract_subexp): Can assume correct input.
12463 (write_predicate_expr): Likewise. NAME argument no longer necessary;
12464 all callers changed.
12465 (validate_exp, needs_variable, struct constraint_data)
12466 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
12467 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
12468 (const_dbl_constraints, constraint_max_namelen)
12469 (have_register_constraints, have_memory_constraints)
12470 (have_address_constraints, have_address_constraints)
12471 (have_extra_constraints, have_const_int_constraints)
12472 (have_const_dbl_constraints, mangle, add_constraint)
12473 (process_define_constraint, process_define_register_constraint)
12474 (write_enum_constraint_num, write_lookup_constraint)
12475 (write_insn_constraint_len, write_regclass_for_constraint)
12476 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
12477 (write_insn_extra_memory_constraint)
12478 (write_insn_extra_address_constraint)
12479 (write_satisfies_constraint_fns): New.
12480 (write_tm_preds_h): If we have new-style constraint definitions,
12481 prototype the functions generated from them, and define the
12482 old constraint interface (still used by generic code) in terms of
12484 (write_insn_preds_c): If we have new-style constraint definitions,
12485 generate all relevant functions from those definitions.
12486 (main): Handle define_constraint etc.
12487 * genoutput.c (struct constraint_data, indep_constraints)
12488 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
12489 (mdep_constraint_len): New data structures and functions, defined
12490 #ifdef USE_MD_CONSTRAINTS.
12491 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
12492 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
12493 use new logic to validate operand constraints against constraint
12495 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
12497 * defaults.h: If none of the old-style constraint macros are
12498 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
12499 old-style macros; and poison REG_CLASS_FROM_LETTER,
12500 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
12502 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
12503 * doc/md.texi: Document new constraint-definition mechanism and the
12504 C interface it provides. Remove references to old mechanism
12505 elsewhere in the document.
12506 (Machine Constraints): Use pathnames relative to gcc directory,
12507 i.e. config/ARCH/FILE. Change i386 section to refer to
12508 config/i386/predicates.md; update that section to match docstrings.
12509 * doc/tm.texi: Move all documentation of the old constraint-
12510 definition macros to their own section, clearly mark as obsolete.
12512 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
12513 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
12515 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
12516 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
12517 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
12518 constraint strings.
12519 (splits and peepholes): Use satisfies_constraint_*.
12520 * config/i386/i386.c (memory_address_length)
12521 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
12523 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12525 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
12526 scalar operation to be put back into the loop.
12528 2006-02-27 Jakub Jelinek <jakub@redhat.com>
12531 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
12532 (extract_cie_info): Handle S flag in augmentation string.
12533 (execute_cfa_program): If context->signal_frame, execute also
12534 fs->pc == context->ra instructions.
12535 (uw_frame_state_for): If context->signal_frame, don't subtract one
12536 from context->ra to find FDE.
12537 (uw_update_context_1): Set context->signal_frame to
12539 (_Unwind_GetIPInfo): New function.
12540 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
12541 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
12543 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
12544 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
12545 * unwind-compat.c (_Unwind_GetIPInfo): New function.
12546 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
12547 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
12548 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
12549 * config/i386/linux-unwind.h (x86_fallback_frame_state,
12550 x86_64_fallback_frame_state): Set fs->signal_frame.
12551 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
12552 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
12553 (frob_update_context): Likewise. Workaround missing S flag in
12554 Linux 2.6.12 - 2.6.16 kernel vDSOs.
12555 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
12556 Remove the psw_addr + 1 hack.
12558 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12560 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
12561 with aggregates here.
12562 (find_func_aliases): Remove code for &<aggregate> from here.
12564 2006-02-26 Roger Sayle <roger@eyesopen.com>
12566 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
12567 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
12568 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
12569 as (X & C) ne/eq 0.
12571 2006-02-26 Roger Sayle <roger@eyesopen.com>
12573 PR middle-end/19983
12574 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
12576 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
12578 * opts.c (decode_options): Do not handle flag_strength_reduce.
12579 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
12580 and OPT_fstrength_reduce.
12581 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
12582 flag_prefetch_loop_arrays for being nonzero.
12583 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
12585 (fprefetch-loop-arrays-rtl): Removed.
12586 (flag_prefetch_loop_arrays): Do not specify the value.
12588 * doc/passes.texi: Update documentation of loop optimizer
12590 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
12591 -frerun-loop-opt): Remove.
12593 2006-02-26 Richard Guenther <rguenther@suse.de>
12595 PR tree-optimization/26421
12596 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
12597 in function calls that are ADDR_EXPRs as using the whole structure.
12599 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
12601 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
12602 * tree-pass.h (pass_loop_optimize): Remove.
12603 * passes.c (pass_loop_optimize): Never run it.
12604 * toplev.c (backend_init): Don't call init_loop.
12605 * opts.c (flag_loop_optimize_set): Remove.
12606 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
12607 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
12608 the old RTL loop optimizer when profiling enabled.
12609 * predict.c (tree_estimate_probability): Always strip builtin_expect.
12610 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
12611 pre-headers for the sake of the old RTL loop optimizer.
12612 * Makefile.in: Remove all references to loop.o.
12614 * doc/invoke.texi: Remove all references to -floop-optimize
12615 and -frerun-loop-opt.
12617 2006-02-26 Zack Weinberg <zackw@panix.com>
12619 * doc/md.texi (Machine Constraints): Refer to all files with paths
12620 relative to gcc directory (i.e. config/CPU/file). Add missing
12621 @table @code ... @end table to M32C subsection.
12623 2006-02-26 Roger Sayle <roger@eyesopen.com>
12625 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
12627 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
12629 2006-02-26 Roger Sayle <roger@eyesopen.com>
12630 James A. Morrison <phython@gcc.gnu.org>
12632 PR middle-end/21137
12633 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
12634 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
12635 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
12636 signedness of the shift operation.
12638 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
12640 PR tree-optimization/26359
12641 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
12643 2006-02-25 Roger Sayle <roger@eyesopen.com>
12645 * simplify-rtx.c (simplify_relational_operation_1): Simplify
12646 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
12647 as X == 0, and some symmetry related transformations.
12648 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
12650 2006-02-25 Roger Sayle <roger@eyesopen.com>
12652 PR middle-end/23673
12653 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
12654 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
12655 symmetry related transformations. Fold (X^C1) == C2 as
12658 2006-02-25 Juergen Weigert <jw@suse.de>
12659 Richard Guenther <rguenther@suse.de>
12661 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
12663 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
12665 * combine.c (gen_lowpart_or_truncate): Call
12666 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
12668 2006-02-24 Diego Novillo <dnovillo@redhat.com>
12670 * doc/invoke.texi: Move -fopenmp description to "Options for
12672 Remove reference to -lgomp.
12674 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12676 * doc/install.texi: Require GNU tar version 1.14.
12678 2006-02-24 Geoffrey Keating <geoffk@apple.com>
12680 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
12681 * doc/invoke.texi (C++ Dialect Options): Document
12682 -fno-use-cxa-get-exception-ptr.
12683 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
12684 * configure: Regenerate.
12685 * c.opt (fuse-cxa-get-exception-ptr): New.
12686 * c-opts.c (c_common_handle_option): Handle
12687 OPT_fuse_cxa_get_exception_ptr.
12688 * c-common.c (flag_use_cxa_atexit): Update documentation.
12689 (flag_use_cxa_get_exception_ptr): New.
12690 * c-common.h (flag_use_cxa_get_exception_ptr): New.
12691 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
12693 (C_COMMON_OVERRIDE_OPTIONS): New.
12695 2006-02-24 Roger Sayle <roger@eyesopen.com>
12697 PR middle-end/24952
12698 * combine.c (try_combine): Explicitly check whether GET_CODE is
12699 a SET or a CLOBBER, instead on checking that it isn't a USE.
12701 2006-02-24 Roger Sayle <roger@eyesopen.com>
12703 * fold-const.c (fold_comparison): New subroutine of fold_binary
12704 containing transformations common to both the equality and
12705 ordering relational operators, factored out of fold_binary.
12706 (fold_binary): Separate out the equality operators (EQ_EXPR
12707 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
12708 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
12709 transformations common to both.
12710 (fold_div_compare): Fix latent bugs in the previously unreachable
12711 LT_EXPR and GE_EXPR cases.
12713 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12715 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12716 decl libname for clog to __clog on AIX.
12718 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12720 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12723 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12724 output traceback table for thunks. Localise rs6000_stack_info call.
12726 2006-02-23 Roger Sayle <roger@eyesopen.com>
12727 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12729 * gthr-posix.h (__gthrw): Fix typo in comment.
12731 2006-02-23 Geoffrey Keating <geoffk@apple.com>
12733 * doc/cpp.texi (Character sets): Document that we do support
12734 input files to be in any character set.
12736 2006-02-23 Jeff Law <law@redhat.com>
12738 * tree.h (PHI_ARG_NONZERO): Remove.
12739 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12740 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12741 node to the new node.
12743 PR tree-optimization/26425
12744 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12745 min/max, then assume its varying.
12747 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12749 PR rtl-optimization/26316
12750 * rtlanal.c (enum may_trap_p_flags): New.
12751 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
12752 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12753 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12754 (may_trap_after_code_motion_p): New function.
12755 * loop-invariant.c (find_identical_invariants): Fix dump formating.
12756 (find_invariant_insn): Use may_trap_after_code_motion_p.
12757 * rtl.h (may_trap_after_code_motion_p): Declare.
12759 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12761 * emit-rtl.c (immed_double_const): Cleanup.
12763 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12765 Fix PR tree-optimization/26376
12766 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12769 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12771 PR middle-end/26412
12772 * gimplify.c (omp_add_variable): Guard variable size decl test with
12773 DECL_SIZE (decl) check.
12775 2006-02-23 Richard Guenther <rguenther@suse.de>
12777 PR middle-end/26439
12778 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12779 like aggregate types.
12781 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12783 * configure.ac: Add --with{,out}-long-double-128 configure option.
12784 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12785 * configure: Rebuilt.
12786 * config.in: Rebuilt.
12787 * doc/install.texi (Options specification): Document
12788 --with-long-double-128.
12790 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12791 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12792 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12793 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12795 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12797 * config/s390/s390.c (override_options): Handle
12798 TARGET_DEFAULT_LONG_DOUBLE_128.
12800 * config/alpha/alpha.c (override_options): Handle
12801 TARGET_DEFAULT_LONG_DOUBLE_128.
12803 * config/sparc/sparc.c (sparc_override_options): Handle
12804 TARGET_DEFAULT_LONG_DOUBLE_128.
12806 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12808 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12809 (real-install-headers-tar, real-install-headers-cpio)
12810 (real-install-headers-cp): New targets.
12812 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12814 * tree.h (variable_section): Delete.
12815 * varasm.c (variable_section): Delete.
12817 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12819 * install.texi: Add notes on install.texi2html.
12820 (Building in parallel): Do not use footnotes.
12822 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12825 * doc/install.texi (Configuration): Document --disable-libgomp.
12827 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12829 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12831 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12833 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12834 (vec_extractv2df_0_sse): New.
12836 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12838 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12839 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12840 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12841 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12842 to the result of the expression.
12843 (def_cfa_1): Adjust.
12844 (frame_pointer_cfa_offset): Rename to...
12845 (frame_pointer_fb_offset): ... this. Adjust all uses.
12846 (convert_cfa_to_loc_list): Rename to...
12847 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12848 Pass it on to build_cfa_loc.
12849 (compute_frame_pointer_to_cfa_displacement): Rename to...
12850 (compute_frame_pointer_to_fb_displacement): ... this. New
12851 offset parameter. Use it in computation.
12852 (gen_subprogram_die): Compute cfa_fb_offset with the new
12853 macro, and use it to compute the fb loc list and the
12856 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12858 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12859 replaced with register_operand.
12860 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12861 non-DREG is expensive.
12862 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12863 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12866 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12868 * doc/install.texi2html: Use set -e.
12870 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12872 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12873 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12874 * doc/invoke.texi (-fshared-data): Delete.
12875 * common.opt (fshared-data): Delete.
12876 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12877 (assemble_static_space): Remove #if 0 code.
12878 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12879 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12880 * config/cris/cris.h: Remove FIXME.
12882 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12884 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12887 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12889 PR middle-end/26379
12890 * combine.c (simplify_shift_const_1): Disable nested shifts
12891 optimization for vector shifts.
12893 2006-02-20 Roger Sayle <roger@eyesopen.com>
12895 PR tree-optimization/26361
12896 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12897 of unsigned integer types.
12899 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12901 * tree-chrec.c (eq_evolutions_p): New.
12902 * tree-chrec.h (eq_evolutions_p): Declared.
12903 * tree-data-ref.c: Fix formatting.
12904 (datadep_stats, dependence_stats): New.
12906 (print_direction_vector): New.
12907 (dump_data_dependence_relation): Use print_direction_vector.
12908 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12909 (compute_subscript_distance): Static.
12910 (initialize_data_dependence_relation): Static. Get the number
12911 of loops surrounding the references from the callers, and initialize
12912 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12913 base_object_differ_p analyzers.
12914 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12915 compute_overlap_steps_for_affine_1_2,
12916 analyze_subscript_affine_affine): Count the classified dependences.
12917 Print a message when a test failed.
12918 (can_use_analyze_subscript_affine_affine): New.
12919 (analyze_siv_subscript): Compute the data dependences on symbolic
12920 scevs that verify can_use_analyze_subscript_affine_affine.
12921 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12922 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12923 Handle symbolic scevs.
12924 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12926 (subscript_dependence_tester): Moved...
12927 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12928 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12929 DDR_SIZE_VECT instead of getting it in parameter.
12930 (subscript_dependence_tester): ... here. Take as a parameter
12931 loop_nest_depth. Call build_classic_dist_vector and
12932 build_classic_dir_vector.
12933 (compute_affine_dependence): Update subscript_dependence_tester
12934 parameters. Update datadep_stats counters. Call
12935 compute_subscript_distance.
12936 (compute_self_dependence): Save the dist and dir vectors. Call
12937 compute_subscript_distance.
12938 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12939 (compute_all_dependences): Reorder parameters as they were before
12940 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12941 compute_subscript_distance. Update the use of
12942 compute_affine_dependence and initialize_data_dependence_relation.
12943 (find_data_references_in_loop): Handle COMPONENT_REF.
12944 (compute_data_dependences_for_loop): Initialize dependence_stats.
12945 Don't call build_classic_dist_vector and build_classic_dir_vector.
12946 Update the parameters of initialize_data_dependence_relation and
12947 compute_all_dependences. Print the statistics from datadep_stats.
12948 (analyze_all_data_dependences): Static. Not used until the pass for
12949 checking the data dependences is contributed.
12950 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12951 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12952 (initialize_data_dependence_relation, compute_affine_dependence,
12953 analyze_all_data_dependences, compute_subscript_distance): Removed.
12954 (print_direction_vector): New.
12955 * lambda.h (gcd): ... here.
12956 (lambda_vector_gcd): Moved here from gcd_vector.
12957 * lambda-code.c (gcd, gcd_vector): Removed.
12958 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12959 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12961 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12963 * ipa-type-escape.c: Tidy some comments and white space.
12964 * tree-ssa-operands.c: Likewise.
12966 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12969 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12970 (dump_decl_name): Do not walk the decl tree chains.
12971 * tree-pass.h (TDF_CHAIN): Remove.
12973 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12975 * Makefile.in (C): Remove
12977 (.PHONY): Remove C and PROTO
12979 2006-02-20 Roger Sayle <roger@eyesopen.com>
12981 PR middle-end/26236
12982 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12983 deprecated CHAR_TYPE tree code.
12985 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12987 * configure.ac (target_list): Add install-info, dvi, html.
12988 * configure: Regenerate.
12990 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12991 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12992 treelang/Make-lang.in: Do not use double-colon rules.
12994 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12996 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12997 (TMT_USED_ALONE): New macro.
12998 * tree-pass.h (PROP_tmt_usage): New property.
12999 (TODO_update_tmt_usage): New todo.
13000 * tree-ssa-alias.c (updating_used_alone): New variable.
13001 (recalculate_used_alone): New function.
13002 (compute_may_aliases): Set updating_used_alone, call
13003 recalculate_used_alone.
13004 * tree-sra.c (pass_sra): Note that this pass destroys
13005 PROP_tmt_usage, and add TODO_update_tmt_usage.
13006 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
13007 * tree-flow.h (updating_used_alone): Prototype.
13008 (recalculate_used_alone): Ditto.
13009 * passes.c (execute_todo): Add code to set updating_used_alone,
13010 and call recalculate.
13011 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
13012 for clobber if used alone, and add assert to verify used_alone
13015 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
13017 * config/s390/s390.c (legitimize_pic_address): Assertions checking
13018 for non tls symbols added.
13019 (legitimize_address): Do nothing for PLUS expressions if one of the
13020 addends is a tls symbol reference.
13022 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13026 * Makefile.in (LDFLAGS): Define from autoconf substitution.
13028 * Makefile.in (BOOTSTRAPPING): New.
13029 (quickstrap): New definition if BOOTSTRAPPING=yes.
13031 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
13032 * configure.ac: Substitute all_selected_languages with the languages
13033 that were configured. For all the other variables except
13034 lang_specs_files, include all the languages in the tree.
13035 * configure: Regenerate.
13037 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
13038 if there is one. Run the commands to run fixincludes in the same
13041 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
13042 * doc/install.texi: Document exact conventions for searching target tools.
13043 Document --with-build-time-tools. Document toplevel bootstrap. Document
13044 something more about building an Ada cross-compiler. Don't list GNU Make
13045 requirements which affect all platforms.
13047 2006-02-19 Roger Sayle <roger@eyesopen.com>
13049 PR middle-end/19543
13050 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
13051 only equivalent if the have both the same mode and precision.
13053 2006-02-20 Ben Elliston <bje@au.ibm.com>
13055 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
13057 2006-02-19 Roger Sayle <roger@eyesopen.com>
13058 Steven Bosscher <stevenb.gcc@gmail.com>
13060 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
13061 constant pool references to identify stack mode constants.
13062 * rtlanal.c (constant_pool_constant_p): New predicate to check
13063 whether operand is a floating point constant in the pool.
13064 * rtl.h (constant_pool_constant_p): Prototype here.
13065 * loop.c (scan_loop): Avoid hoisting constants from the constant
13066 pool on STACK_REGS targets.
13067 (load_mems): Likewise.
13068 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
13069 loads into x87 registers expensive in terms of register pressure.
13071 2006-02-19 Roger Sayle <roger@eyesopen.com>
13073 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
13074 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
13076 2006-02-19 David Edelsohn <edelsohn@gnu.org>
13078 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13079 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
13081 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
13083 * doc/invoke.texi: Document -fipa-pta.
13084 * common.opt: Add ipa-pta option.
13085 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
13086 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
13087 (do_ds_constraint): Ditto.
13088 (get_constraint_for): Only add to referenced_vars if
13089 referenced_vars exists.
13090 (insert_into_field_list): Rewrite to do this unsorted.
13091 (insert_into_field_list_sorted): Rename old insert_into_field_list
13093 (create_function_info_for): Use insert_into_field_list_sorted.
13094 (create_variable_info_for): Rewrite so it uses unsorted version,
13095 since the field list is sorted.
13096 (intra_create_variable_infos): Only add to referenced_vars if
13097 referenced_vars exists.
13098 (ipa_pta_execute): Init heapvars, and delete when done.
13099 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
13101 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13103 * doc/install.texi: Add missing `@samp'.
13105 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13107 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
13110 2006-02-18 Mark Wielaard <mark@klomp.org>
13112 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
13113 who added new 4.1 features, bug fixes and integration support.
13115 2006-02-18 David Edelsohn <edelsohn@gnu.org>
13118 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
13119 MEM for ABI_V4 pic.
13121 2006-02-18 Richard Sandiford <richard@codesourcery.com>
13123 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
13124 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
13125 (copy_insn_1): Likewise. Don't copy each field individually.
13127 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
13129 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
13130 * rtl.c (rtx_size): Rename variable to...
13131 (rtx_code_size): ...this.
13132 (rtx_size): New function.
13133 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
13134 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
13136 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
13137 * rtl.h (rtx_code_size): New variable.
13138 (rtx_size): Change from a variable to a function.
13139 (RTX_SIZE): Rename to...
13140 (RTX_CODE_SIZE): ...this.
13143 PR tree-optimization/17106
13144 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
13145 (Anchored Addresses): New section.
13146 * doc/invoke.texi (-fsection-anchors): Document.
13147 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
13148 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
13149 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
13150 * hooks.c (hook_bool_mode_rtx_false): New function.
13151 * hooks.h (hook_bool_mode_rtx_false): Declare.
13152 * gengtype.c (create_optional_field): New function.
13153 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
13154 SYMBOL_REF_IN_BLOCK_P is true.
13155 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
13156 (min_anchor_offset, max_anchor_offset): Likewise.
13157 (use_anchors_for_symbol_p): New hook.
13158 * toplev.c (compile_file): Call output_object_blocks.
13159 (target_supports_section_anchors_p): New function.
13160 (process_options): Check that -fsection-anchors is only used on
13161 targets that support it and when -funit-at-a-time is in effect.
13162 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
13163 if the decl doesn't have one.
13164 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
13165 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
13166 of force_const_mem through use_anchored_address.
13167 (expand_expr_constant): New function.
13168 (expand_expr_addr_expr_1): Call it. Use the same modifier when
13169 calling expand_expr for INDIRECT_REF.
13170 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
13171 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
13172 * expr.h (use_anchored_address): Declare.
13173 * loop-unroll.c: Don't declare rtx vectors here.
13174 * explow.c: Include output.h.
13175 (validize_mem): Call use_anchored_address.
13176 (use_anchored_address): New function.
13177 * common.opt (-fsection-anchors): New switch.
13178 * varasm.c (object_block_htab, anchor_labelno): New variables.
13179 (hash_section, object_block_entry_eq, object_block_entry_hash)
13180 (use_object_blocks_p, get_block_for_section, create_block_symbol)
13181 (use_blocks_for_decl_p, change_symbol_section): New functions.
13182 (get_variable_section): New function, split out from assemble_variable.
13183 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
13184 use_blocks_for_decl_p say so. Use change_symbol_section if the
13185 symbol has already been created.
13186 (assemble_variable_contents): New function, split out from...
13187 (assemble_variable): ...here. Don't output any code for
13188 block symbols; just pass them to place_block_symbol.
13189 Use get_variable_section and assemble_variable_contents.
13190 (get_constant_alignment, get_constant_section, get_constant_size): New
13191 functions, split from output_constant_def_contents.
13192 (build_constant_desc): Create a block symbol if use_object_blocks_p
13193 says so. Or into SYMBOL_REF_FLAGS.
13194 (assemble_constant_contents): New function, split from...
13195 (output_constant_def_contents): ...here. Don't output any code
13196 for block symbols; just pass them to place_section_symbol.
13197 Use get_constant_section and get_constant_alignment.
13198 (force_const_mem): Create a block symbol if use_object_blocks_p and
13199 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
13200 (output_constant_pool_1): Add an explicit alignment argument.
13201 Don't switch sections here.
13202 (output_constant_pool): Adjust call to output_constant_pool_1.
13203 Switch sections here instead. Don't output anything for block symbols;
13204 just pass them to place_block_symbol.
13205 (init_varasm_once): Initialize object_block_htab.
13206 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
13207 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
13208 (place_block_symbol, get_section_anchor, output_object_block)
13209 (output_object_block_htab, output_object_blocks): New functions.
13210 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
13211 (TARGET_ASM_OUT): Include it.
13212 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
13213 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
13214 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
13215 (TARGET_INITIALIZER): Include them.
13216 * rtl.c (rtl_check_failed_block_symbol): New function.
13217 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
13218 (block_symbol, object_block): New structures.
13219 (rtx_def): Add a block_symbol field to the union.
13220 (BLOCK_SYMBOL_CHECK): New macro.
13221 (rtl_check_failed_block_symbol): Declare.
13222 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
13223 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
13224 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
13225 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
13226 * output.h (output_section_symbols): Declare.
13227 (object_block): Name structure.
13228 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
13229 (default_use_anchors_for_symbol_p): Declare.
13230 * Makefile.in (RTL_BASE_H): Add vec.h.
13231 (explow.o): Depend on output.h.
13232 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
13233 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13234 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13235 (rs6000_use_blocks_for_constant_p): New function.
13237 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13239 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
13241 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13244 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
13247 2006-02-18 Diego Novillo <dnovillo@redhat.com>
13249 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
13253 2006-02-18 Jakub Jelinek <jakub@redhat.com>
13255 PR middle-end/26334
13256 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
13257 instead of DECL_REGISTER.
13259 2006-02-18 Olivier Hainque <hainque@adacore.com>
13262 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
13264 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
13267 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
13268 * opth-gen.awk: Handle Var and InverseMask together.
13269 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
13270 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
13271 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
13272 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
13274 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13275 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13276 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
13277 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13278 LINUX_DYNAMIC_LINKER): Define.
13279 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
13280 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
13282 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13283 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
13284 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13285 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13286 (TARGET_C99_FUNCTIONS): Don't define.
13287 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
13288 GLIBC_DYNAMIC_LINKER.
13289 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
13290 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
13291 GLIBC_DYNAMIC_LINKER64): Define.
13292 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13293 LINUX_DYNAMIC_LINKER64.
13294 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13295 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13296 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
13297 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13298 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13299 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13300 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
13301 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
13302 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
13303 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
13304 and LINUX_DYNAMIC_LINKER32.
13305 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13306 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13307 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
13308 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13309 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
13311 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
13312 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
13313 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13314 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13315 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13316 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
13317 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
13318 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
13319 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13320 LINUX_DYNAMIC_LINKER): Define.
13321 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
13322 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
13323 GLIBC_DYNAMIC_LINKER64): Define.
13324 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13325 LINUX_DYNAMIC_LINKER64.
13326 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13327 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13328 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
13329 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13330 LINUX_DYNAMIC_LINKER): Define.
13331 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13332 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13333 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
13334 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
13335 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
13336 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13337 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
13338 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
13339 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13340 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13341 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13342 * doc/invoke.texi (-muclibc): Remove caveat about supported
13345 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
13347 * doc/cpp.texi (__TIMESTAMP__): Document.
13349 2006-02-17 Roger Sayle <roger@eyesopen.com>
13351 PR middle-end/25600
13352 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
13353 C is one less than the width of X (and related transformations).
13354 * simplify-rtx.c (simplify_unary_operation_1): Transform
13355 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
13356 depending on STORE_FLAG_VALUE, were C is one less then the
13359 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
13361 Fix PR tree-optimization/26341
13362 * tree-ssa-operands.c (add_virtual_operand): Remove assert
13363 about NAME_MEMORY_TAG's.
13365 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13368 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
13369 with hardware float support, and software float support. Add fcpy
13370 alternative to hardware patterns. Add alternatives to copy between
13371 general and floating-point registers to the 32-bit pattern.
13372 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
13373 secondary reload to load a QI or HI mode constant into a floating
13375 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
13376 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
13378 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
13381 * config/rs6000/darwin.md (load_macho_picbase_si): Add
13383 (load_macho_picbase_di): Likewise.
13385 2006-02-16 Jeff Law <law@redhat.com>
13387 * tree-vrp.c (set_value_range_to_nonnegative): New function.
13388 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
13389 (ssa_name_nonzero_p): Likewise.
13390 (get_value_range): Return NULL if VRP is not running.
13391 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
13392 VRP routines do not discover a range.
13393 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
13394 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
13395 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
13396 (tree_expr_nonnegative_p): Similarly.
13397 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
13398 (restore_nonzero_vars_to_original_value): Remove.
13399 (unsafe_associative_fp_binop): Remove.
13400 (tree_ssa_dominator_optimize): Remove initialization and
13401 finalization of nonzero_vars and nonzero_vars_stack.
13402 (dom_opt_initialize_block): No longer push marker on
13403 nonzero_vars_stack.
13404 (dom_opt_finalize_block): No longer call
13405 restore_nonzero_vars_to_original_value.
13406 (record_equivalences_from_phis): No longer look for
13407 nonzero PHI arguments.
13408 (cprop_into_successor_phis): No longer propagate nonzero
13409 property into PHI arguments. Lose unused argument. Caller
13411 (record_equivalences_from_stmt): No longer record nonzero
13412 values for SSA_NAMEs.
13413 (lookup_avail_expr): No longer use nonzero_vars.
13415 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
13416 for sizetype when sizetype is unsigned.
13418 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
13420 PR rtl-optimization/25603
13421 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
13422 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
13423 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
13424 with new meaning of SETS.
13426 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
13431 * config/linux.opt: New file.
13432 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
13433 LINUX_DYNAMIC_LINKER): Define.
13434 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
13435 * config.gcc (*-*-linux*): Define extra_options.
13436 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
13437 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13438 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
13439 GLIBC_DYNAMIC_LINKER.
13440 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
13441 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13442 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13443 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13444 * doc/invoke.texi (GNU/Linux Options): New section.
13446 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
13448 * config/sparc/sparc.md (setjmp): Rewrite.
13449 (setjmp_32): Delete.
13450 (setjmp_64): Likewise.
13452 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
13454 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
13457 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13459 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
13462 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13464 PR rtl-optimization/26296
13465 * Makefile.in (loop-invariant.c): Add except.h dependency.
13466 * loop-invariant.c: Include except.h.
13467 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
13469 2005-02-16 Paul Brook <paul@codesourcery.com>
13471 * reload1.c (emit_reload_insns): Invalidate dead input registers used
13474 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
13476 PR rtl-optimization/25636
13477 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
13478 when deciding whether an insn is an initializing insn.
13480 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
13482 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
13483 (tree_code_size): Ditto.
13484 * tree.h (struct tree_memory_tag): Remove parent_var.
13485 (struct tree_struct_field_tag): New.
13488 (union tree_node): Add sft member.
13489 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
13491 (create_sft): Add size and offset argument, set SFT_OFFSET and
13493 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
13494 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
13495 * tree-flow-inline.h (get_subvar_at): Update for
13496 SFT_OFFSET/SFT_SIZE.
13497 (var_can_have_subvars): Ditto.
13498 (overlap_subvar): Ditto.
13499 * print-tree.c (print_node): Print out interesting things for
13501 * tree-flow.h (struct subvar): Remove offset and size members.
13502 * tree-ssa-operands.c (get_expr_operands): Update for
13503 get_indirect_ref_operands changes.
13504 (get_indirect_ref_operands): Call add_virtual_operand instead of
13505 add_stmt_operand. Only recurse on base var if requested.
13506 (access_can_touch_variable): New function.
13507 (add_stmt_operand): Split virtual operand handling into ...
13508 (add_virtual_operand): Here. Add offset, size, and for_clobber
13509 arguments. Prune alias sets.
13510 (add_call_clobber_ops): Call add_virtual_operand.
13512 2006-02-15 Jakub Jelinek <jakub@redhat.com>
13514 PR middle-end/26300
13515 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
13517 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
13518 than TREE_CODE as index into omp_clause_num_ops array.
13520 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
13522 PR rtl-optimization/26184
13523 * modulo-sched.c (generate_reg_moves): Free bitmap vector
13525 * modulo-sched.c (sms_schedule): Free g_arr pointer.
13526 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
13527 must_precede, must_follow and tobe_scheduled.
13530 * opts.c (common_handle_option): Free new_option pointer.
13531 * df-core.c (df_analyze): Free postorder pointer.
13533 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13535 * Makefile.in: Fix the examples about the use of stamps
13537 2006-02-15 Michael Matz <matz@suse.de>
13539 PR middle-end/22275
13541 * stor-layout.c (layout_decl): Zero-width bitfields aren't
13542 influenced by maximum_field_alignment or DECL_PACKED.
13543 (update_alignment_for_field): Ditto.
13544 (place_field): Ditto.
13545 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
13548 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
13550 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
13551 (debug_flow_info): Pass it.
13552 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
13553 * bb-reorder.c (reorder_basic_blocks): Likewise.
13554 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
13555 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
13556 * flow.c (life_analysis, recompute_reg_usage): Likewise.
13557 * gcse.c (gcse_main, bypass_jumps): Likewise.
13558 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
13559 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
13560 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
13561 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
13562 * rtl.h (dump_flow_info): Adjust prototype.
13563 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
13564 * var-tracking.c (variable_tracking_main): Likewise.
13565 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
13566 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
13569 2006-02-15 Marcin Dalecki <martin@dalecki.de>
13571 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
13574 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13576 PR tree-optimization/26209
13577 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
13578 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
13580 * tree-cfg.c (replace_uses_by): Do not alter cfg.
13582 2006-02-14 Roger Sayle <roger@eyesopen.com>
13584 PR middle-end/23670
13585 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
13586 (X,Y) and the corresponding symmetry related transformations.
13587 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
13588 (X,Y) and its symmetry related transformations.
13590 2006-02-14 Roger Sayle <roger@eyesopen.com>
13592 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
13595 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
13597 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
13599 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13602 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
13603 support COMDAT group.
13604 * configure: Regenerate.
13606 2006-02-14 Roger Sayle <roger@eyesopen.com>
13608 PR middle-end/26279
13609 PR middle-end/26280
13610 PR middle-end/26283
13611 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
13613 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
13615 Fix PR tree-optimization/26260
13617 * doc/invoke.texi (max-fields-for-field-sensitive): Document
13619 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
13620 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
13621 * tree-ssa-structalias.c (create_variable_info_for): Use
13622 MAX_FIELDS_FOR_FIELD_SENSITIVE.
13624 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13626 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
13628 * tree-ssa-loop-niter.c (number_of_iterations_ne,
13629 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
13630 of the ending condition.
13631 * tree-ssa-loop-manip.c: Include params.h.
13632 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
13633 tree_unroll_loop): New functions.
13634 * tree-pass.h (pass_loop_prefetch): Declare.
13635 * loop.c (rest_of_handle_loop_optimize): Test for
13636 -fprefetch-loop-arrays-rtl.
13637 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
13638 * timevar.def (TV_TREE_PREFETCH): New timevar.
13639 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
13640 pass_loop_prefetch): New.
13641 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
13642 (cleanup_tree_cfg_loop): Call scev_reset.
13643 * common.opt (fprefetch-loop-arrays-rtl): Add.
13644 * tree-ssa-loop-prefetch.c: New file.
13645 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
13646 (new_temp_expr_table): Initialize expr_vars.
13647 (free_temp_expr_table): Cleanup expr_vars.
13648 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
13649 expressions from being merged into one.
13650 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
13651 (struct tree_niter_desc): Add control, bound and cmp fields.
13652 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
13654 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
13655 (tree-cfgcleanup.o): Add SCEV_H dependency.
13656 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
13657 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
13659 2006-02-14 Richard Guenther <rguenther@suse.de>
13661 PR tree-optimization/26258
13662 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
13663 in PHI argument processing.
13665 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
13667 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
13668 new expression in the requested machine mode.
13670 2006-02-13 Roger Sayle <roger@eyesopen.com>
13672 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
13673 directly, instead let do_compare_rtx_and_jump handle this for us.
13674 * expr.c (expand_expr_real_1): Likewise.
13675 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
13676 before do_jump_by_parts_greater.
13677 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
13678 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
13680 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13682 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
13684 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13686 PR rtl-optimization/26235
13687 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
13688 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
13691 2006-02-13 Jeff Law <law@redhat.com>
13693 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
13696 2006-02-13 Jakub Jelinek <jakub@redhat.com>
13698 PR middle-end/26092
13699 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
13700 twice if decl is a builtin. When trying again, call get_callee_fndecl
13701 first to verify it is still a builtin.
13703 2006-02-13 Geoffrey Keating <geoffk@apple.com>
13705 * dwarf2out.c (base_type_die): Don't add AT_name here.
13706 (subrange_type_die): Don't add AT_name here.
13707 (modified_type_die): Rearrange code flow. Do add AT_name here.
13709 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13711 PR rtl-optimization/26247
13712 PR rtl-optimization/26248
13713 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13715 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13717 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13718 * config/fixtfdi.c: Likewise.
13719 * config/fixunstfdi.c: Likewise.
13720 * config/floatditf.c: Likewise.
13722 2006-02-13 Roger Sayle <roger@eyesopen.com>
13724 PR middle-end/24427
13725 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13726 into (X,C2) if C1 is a subset of the bits of C2. Transform
13727 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13729 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13731 2006-02-13 Josh Conner <jconner@apple.com>
13734 * varasm.c (function_section): Check for section name before
13735 calling select_section on targets that define
13736 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
13737 unlikely_text_section instead of hot_function_section if
13738 first_function_block_is_cold.
13740 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
13742 PR middle-end/25335
13743 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13745 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13747 PR rtl-optimization/26222
13748 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13749 after tree->rtl expansion.
13750 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13751 before passing it to emit_move_insn.
13753 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
13755 * doc/invoke.texi (-Write-strings): Document that it is enabled by
13757 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13758 Clarify documentation.
13759 * c-common.h (warn_write_strings): Remove.
13760 * c-common.c (warn_write_strings): Likewise.
13761 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13764 2006-02-12 Roger Sayle <roger@eyesopen.com>
13766 PR middle-end/25724
13767 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13768 (do_jump_parts_zero_rtx): New function renamed from
13769 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13770 (do_jump_parts_equality_rtx): New function split out from
13771 do_jump_parts_equality. Old implementation renamed as above.
13772 Call do_jump_parts_zero_rtx if either operand is zero.
13773 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13774 do all of the heavy lifting.
13775 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13776 calling either do_jump_by_parts_greater_rtx or
13777 do_jump_by_parts_equality_rtx.
13778 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13779 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13780 moved to do_compare_rtx_and_jump, call it directly.
13781 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13782 mode argument. Call do_compare_rtx_and_jump.
13783 (emit_case_nodes): Update calls to do_jump_if_equal.
13785 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13787 PR rtl-optimization/26225
13788 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13790 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13792 PR rtl-optimization/26232
13793 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13795 2006-02-11 Jason Merrill <jason@redhat.com>
13798 * tree-inline.c (declare_return_variable): Just don't use the
13799 modify target if it's a gimple complex reg and the return slot
13802 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13804 * doc/contrib.texi: Update my entry.
13806 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13808 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13810 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13812 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13815 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13817 * doc/invoke.texi (-floop-optimize2): Removed.
13818 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13819 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13820 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13821 * common.opt (floop-optimize2): Removed.
13822 (fmove-loop-invariants): Enabled by default.
13824 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13826 * tree-if-conv.c (combine_blocks): Free the result of
13827 get_loop_exit_edges.
13829 2006-02-10 Jeff Law <law@redhat.com>
13831 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13833 PR tree-optimization/26213
13834 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13835 loop trying to follow SSA_NAME_VALUE chains.
13837 2006-02-10 Richard Guenther <rguenther@suse.de>
13839 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13840 deal with structures that end in implicitly variable sized arrays.
13842 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13844 PR rtl-optimization/24762
13845 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13848 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13850 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13851 (struct ivopts_data): Add regs_used field.
13852 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13853 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13854 instead of loop_data->regs_used;
13855 (free_loop_data): Do not free aux fields for loops.
13856 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13857 and tree_ssa_iv_optimize_finalize.
13859 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13861 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13863 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13866 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13867 computing the effective result type.
13869 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13871 PR inline-asm/16194
13872 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13873 (tree_overlaps_hard_reg_set): Declare.
13874 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13875 type and signature to match function type expected by walk_tree.
13876 (tree_overlaps_hard_reg_set): New function.
13877 (decl_conflicts_with_clobbers_p): Rename to:
13878 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13879 Use tree_overlaps_hard_reg_set. Changed caller.
13880 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13881 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13882 * cris.c (cris_md_asm_clobbers): Likewise.
13884 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13886 * reload1.c (emit_input_reload_insns): Delete code that tries to
13887 inherit using find_equiv_reg.
13889 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13891 * c-common.h (flag_const_strings): Don't declare.
13892 * c-common.c (flag_const_strings): Remove.
13893 * c.opt (fconst_strings): Remove.
13894 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13895 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13896 (c_common_init_options): Don't set flag_const_strings.
13897 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13899 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13901 * arm.md (tlobits_cbranch): New pattern.
13902 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13903 testing a single bit.
13905 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13908 * tree-ssa-pre.c (create_component_ref_by_pieces):
13909 Handle RETURN_DECL like VAR_DECL.
13911 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13913 PR middle-end/26134
13914 * fold-const.c (fold_indirect_ref_1): Fold
13915 "*(foo *)&complexfoo" to "__real__ complexfoo"
13916 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13918 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13920 * tree-flow-inline.h (var_can_have_subvars):
13921 Volatile variables should not have subvariables.
13923 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13926 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13927 multiplying unsigned values.
13930 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13932 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13934 2006-02-08 Jason Merrill <jason@redhat.com>
13937 * tree.def: Elaborate on difference from MODIFY_EXPR.
13938 * doc/c-tree.texi (INIT_EXPR): Likewise.
13939 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13940 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13941 (gimplify_target_expr): Likewise.
13942 (gimplify_cond_expr): Remove target handling.
13943 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13944 (gimplify_expr): Clobber it here.
13945 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13946 Do return slot optimization if we have an INIT_EXPR.
13949 * tree-inline.c (declare_return_variable): Also clear
13950 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13953 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13955 PR middle-end/22439
13956 * gimplify.c (gimplify_one_sizepos): Fix typo.
13958 2006-02-08 Jeff Law <law@redhat.com>
13960 PR tree-optimization/21417
13961 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13962 across a backedge if the control statement at the end of the
13963 block is data dependent on other statements in the same block.
13964 (record_temporary_equivalences_from_stmts): Remove over-conservative
13965 test for threading across backedges.
13967 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13968 control statement, handle all three special cases in the same
13969 manner as they all have the same desired solution. No longer
13970 special case edge flag updating when the post dominator is
13973 2006-02-08 Roger Sayle <roger@eyesopen.com>
13975 * tree.def (CHAR_TYPE): Remove.
13976 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13977 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13978 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13979 (gen_string_type_die): Delete unreachable function.
13981 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13982 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13983 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13984 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13985 * builtins.c (type_to_class): Likewise.
13986 * fold-const.c (fold_convert, build_range_check,
13987 merge_ranges): Likewise.
13988 * expr.c (count_type_elements): Likewise.
13989 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13990 * stor-layout.c (layout_type): Likewise.
13991 * ipa-type-escape.c (type_to_consider): Likewise.
13992 * gimplify.c (omp_firstprivatize_type_sizes,
13993 gimplify_type_sizes): Likewise.
13994 * explow.c (promote_mode): Likewise.
13995 * tree-sra.c (is_sra_scalar_type): Likewise.
13996 * varasm.c (output_constant): Likewise.
13997 * tree-inline.c (remap_type_1): Likewise.
13998 * convert.c (convert_to_pointer, convert_to_real,
13999 convert_to_integer, convert_to_complex): Likewise.
14001 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
14003 * df-scan.c (df_def_record_1): A set destination may
14004 be a parallel regardless of mode.
14006 2006-02-08 Roger Sayle <roger@eyesopen.com>
14009 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
14010 * config/mips/_tilib.c: Remove.
14011 * config/fixtfdi.c: New libgcc source file.
14012 * config/fixunstfdi.c: New source file.
14013 * config/floatditf.c: New source file.
14014 * config/floatunditf.c: New souce file.
14015 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
14016 files above instead of config/mips/_tilib.c.
14017 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
14019 2006-02-08 Jeff Law <law@redhat.com>
14021 PR tree-optimization/26169
14022 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
14025 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
14027 * df.h (DF_REG_SIZE): Return the length of the initialized
14030 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
14032 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
14033 __muldf3): Return a correctly signed zero.
14035 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
14037 * passes.c (register_one_dump_file): Accept the current properties
14038 instead of pass number. Adjust call to dump_register. Remove
14040 (register_dump_files): Now a wrapper around...
14041 (register_dump_files_1): ... this one. Do not modify the pass
14043 (next_pass_1): Cosmetic fix.
14044 (execute_todo): Keep second parameter only. Use curr_properties
14045 instead of fetching it from the pass structure. Check and set
14047 (execute_one_pass): Handle TODO_set_props. Use curr_properties
14048 instead of fetching it from the pass structure. Fix calls to
14049 execute_todo. Update curr_properties and initialize .vcg RTL dump
14050 after running the pass. Reset last_verified.
14051 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
14053 (FIRST_AUTO_NUMBERED_DUMP): New.
14054 (dump_register): Remove "num" parameter, assign it within the
14056 (get_dump_file_name): Modify template for dumps.
14057 * tree-dump.h (dump_register): Adjust prototype.
14058 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
14059 (PROP_trees): Add PROP_gimple_lomp.
14060 (TODO_set_props): New.
14061 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
14062 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
14063 * cfgexpand.c (pass_expand): Destroy PROP_trees.
14065 2006-02-08 Jakub Jelinek <jakub@redhat.com>
14067 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
14068 (sparc64-*-linux*): Likewise.
14069 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
14070 * config/sparc/t-linux: New file.
14071 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
14072 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
14073 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
14074 -m32 -mlong-double-128.
14076 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
14077 * config/alpha/t-linux: New file.
14078 * config/alpha/libgcc-alpha-ldbl.ver: New file.
14080 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
14081 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
14082 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
14083 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
14084 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
14085 (CPP_ARCH32_SPEC): Remove.
14087 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
14089 PR tree-optimization/26145
14090 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
14093 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14096 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
14097 >= 240000 when generating code for SOM runtime.
14098 (output_indirect_call): Don't use "b,l" instruction for indirect calls
14099 to $$dyncall when generating code for SOM runtime..
14101 2006-02-07 Dirk Mueller <dmueller@suse.com>
14104 * doc/invoke.texi (-Wsequence-point): Update documentation
14105 that -Wsequence-point is implemented for C++ as well.
14107 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14109 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
14110 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
14111 (LIB_SPEC): Likewise.
14112 * doc/invoke.texi (SPARC options): Document -pthread.
14114 2006-02-07 Geoffrey Keating <geoffk@apple.com>
14116 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
14119 2006-02-07 Roger Sayle <roger@eyesopen.com>
14121 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
14122 Correct comment describing BOOLEAN_TYPE.
14124 2006-02-07 Dirk Mueller <dmueller@suse.com>
14126 * c.opt: C++ frontend supports -Wdiv-by-zero.
14127 * c-opts.c (c_common_handle_option): Remove dead case.
14129 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14131 * configure.ac (TLS assembler check): Do not enable TLS by
14132 default on SPARC/Solaris before version 10.
14133 * configure: Regenerate.
14135 2006-02-07 David Edelsohn <edelsohn@gnu.org>
14137 * doc/invoke.texi (xl-compat): Document conversion and support
14140 2006-02-07 Jeff Law <law@redhat.com>
14142 * tree-vrp.c (find_conditional_asserts): Update comments.
14143 (simplify_stmt_for_jump_threading): New.
14144 (identify_jump_threads, finalize_jump_threads): New.
14145 (vrp_finalize): Call identify_jump_threads.
14146 (execute_vrp): Call finalize_jump_threads.
14147 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
14148 (vrp_element, vrp_data, vrp_element_p): Remove.
14149 (vrp_hash_elt, vrp_variables_stack): Remove.
14150 (vrp_hash, vrp_eq, record_range): Remove.
14151 (simplify_cond_and_lookup_avail_expr): Remove.
14152 (extract_range_from_cond): Remove.
14153 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
14154 (simplify_stmt_for_jump_threading): New.
14155 (dom_thread_across_edge): New wrapper.
14156 (tree_ssa_dominator_optimize): No longer initialize or
14157 finalize any of the VRP datastructures. Remove iteration
14158 step and simplify as a result of removal of iteration step.
14159 (pass_dominator): Perform a cfg cleanup after DOM.
14160 (dom_opt_finalize_block): Use the new common routines
14161 for threading jumps. Simplify stack management slightly.
14162 No longer need to unwind VRP state.
14163 (record_equivalences_from_incoming_edge): No longer record
14165 (eliminate_redundant_computations): No longer call
14166 simplify_cond_and_lookup_avail_expr.
14167 * tree-flow.h (potentially_threadable_block): Prototype.
14168 (thread_across_edge): Likewise.
14169 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
14170 (tree-ssa-threadedge.o): Add dependencies.
14171 * tree-ssa-threadedge.c: New file.
14172 * passes.c (init_optimization_passes): Merge PHIs before
14173 calling VRP. Run VRP again late in the SSA optimization pipeline.
14175 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14177 * df-core.c (df_set_blocks): Do not dereference function pointers.
14178 (df_finish1): Likewise.
14179 (df_hybrid_search_forward): Likewise.
14180 (df_hybrid_search_backward): Likewise.
14181 (df_iterative_dataflow): Likewise.
14182 (df_analyze_problem): Likewise.
14183 (df_compact_blocks): Likewise.
14184 (df_dump): Likewise.
14185 * df-scan.c (df_rescan_blocks): Likewise.
14186 (df_record_entry_block_defs): Likewise.
14188 * genconditions.c (write_conditions): Guard the definition of
14189 'insn_conditions' with the check on GCC version.
14190 (write_writer): Guard the traversal 'insn_conditions' with
14191 the check on GCC version.
14193 2006-02-07 Richard Guenther <rguenther@suse.de>
14197 2006-01-30 Richard Guenther <rguenther@suse.de>
14199 * gimplify.c (gimplify_target_expr): Handle easy cases
14200 without creating a temporary.
14202 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
14204 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
14205 use of float in probability computations. Use edge probabilities
14206 in place of statically computed probabilities.
14207 (min_spec_prob): New static variable.
14208 (schedule_insns): Initialize it.
14209 (GET_SRC_PROB): Removed.
14210 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
14212 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
14215 * config/ia64/unwind-ia64.c: Revert last change.
14216 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
14217 (INCOMING_FRAME_SP_OFFSET): Define.
14219 2006-02-06 Roger Sayle <roger@eyesopen.com>
14221 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
14223 2006-02-07 Ben Elliston <bje@au.ibm.com>
14225 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
14226 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
14227 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
14228 (ix86_return_in_memory): Handle TDmode.
14229 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
14230 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
14232 2006-02-06 Richard Sandiford <richard@codesourcery.com>
14234 * reorg.c (dbr_schedule): Use dump_file instead of file.
14236 2006-02-06 Steve Ellcey <sje@cup.hp.com>
14239 * config/ia64/predicates.md (extr_len_operand): New predicate.
14240 * config/ia64/ia64.md (extv): Tighten constraints.
14242 (*tbit_and_2): Ditto.
14243 (*tbit_and_3): Ditto.
14244 (*tbit_or_2): Ditto.
14245 (*tbit_or_3): Ditto.
14246 (*bit_zero): Ditto.
14249 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
14252 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
14254 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14256 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
14257 loop_optimizer_init and loop_optimizer_finalize
14258 * tree-ssa-sink.c (execute_sink_code): Ditto.
14259 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14260 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
14261 tree_ssa_loop_done): Ditto.
14262 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
14263 * sched-ebb.c: Include output.h.
14264 (schedule_ebbs): Do not use dump argument.
14265 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
14266 * loop.c (loop_dump_stream): Removed.
14267 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
14269 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
14270 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
14271 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
14272 loop_iterations, strength_reduce, record_biv, record_giv,
14273 final_giv_value, check_final_value, check_ext_dependent_givs,
14274 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
14275 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
14276 dump_file instead of loop_dump_stream.
14277 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
14278 argument dump_file.
14279 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
14281 * flow.c (life_analysis, rest_of_handle_life): Ditto.
14282 * haifa-sched.c: Include output.h
14283 (schedule_insns, sched_init): Do not use dump argument.
14284 * mode-switching.c (optimize_mode_switching): Ditto.
14285 * modulo-sched.c (stats_file): Removed.
14286 (print_node_sched_params): Do not call argument dump_file.
14287 (sms_schedule_by_order, loop_canon_p, sms_schedule,
14288 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
14290 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
14292 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
14293 rtl_loop_init, rtl_loop_done): Ditto.
14294 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
14295 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
14297 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
14298 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
14299 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
14300 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
14301 * emit-rtl.c (renumber_insns): Ditto.
14302 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
14303 expand_gimple_basic_block, tree_expand_cfg): Ditto.
14304 * regclass.c (regclass): Ditto.
14305 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
14306 remove_ssa_form, rewrite_out_of_ssa): Ditto.
14307 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
14308 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
14310 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
14311 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
14313 * gcse.c (gcse_file, debug_stderr): Removed.
14314 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
14315 rest_of_handle_gcse): Do not use dump argument.
14316 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
14317 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
14318 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
14319 compute_code_hoist_vbeinout, compute_code_hoist_data,
14320 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
14321 compute_store_table, build_store_vectors, insert_insn_start_bb,
14322 insert_store, remove_reachable_equiv_notes, replace_store_insn,
14323 store_motion): Use dump_file instead of gcse_file.
14324 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
14325 * profile.c (profile_dump_file): Removed.
14326 (branch_prob): Use dump_file instead of profile_dump_file.
14327 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
14329 * tree-ssa-copy.c (dump_copy_of): Ditto.
14330 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
14331 dump file to life_analysis.
14332 * bt-load.c (branch_target_load_optimize): Ditto.
14333 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
14335 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
14336 regclass, dbr_schedule): Declaration changed.
14337 * sched-int.h (sched_init): Declaration changed.
14338 * tree-profile.c (tree_profile_dump_file): Removed.
14339 (tree_profile_hooks): Removed profile_dump_file hook.
14340 * rtl-profile (rtl_profile_dump_file): Removed.
14341 (rtl_profile_hooks): emoved profile_dump_file hook.
14342 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
14344 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
14345 * tree-cfg.c (build_tree_cfg): Ditto.
14346 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
14347 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
14348 Declaration changed.
14349 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
14350 life_analysis and schedule_insns.
14351 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
14353 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
14355 * config/mips/mips.c (mips_reorg): Ditto.
14356 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
14359 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
14361 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14362 (s390_mangle_fundamental_type): New.
14363 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14366 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14367 (alpha_mangle_fundamental_type): New.
14368 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14371 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14373 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14375 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14376 (sparc_mangle_fundamental_type): New.
14378 2006-02-06 Jakub Jelinek <jakub@redhat.com>
14380 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
14381 (s390x-*-linux*): Likewise.
14382 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
14383 * config/s390/t-linux: New file.
14385 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14387 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
14388 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
14390 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
14392 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
14393 (ANTIC_SAFE_LOADS): New macro.
14394 (find_or_generate_expression): Add prototype.
14395 (set_contains_value): Allow null set for sake of not always having
14396 to allocate ANTIC_SAFE_LOADS.
14397 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
14398 Allow COMPONENT_REF too.
14399 (valid_in_set): Allow COMPONENT_REF.
14400 Check ANTIC_SAFE_LOADS too.
14401 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
14402 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
14404 (can_PRE_operation): Add COMPONENT_REF.
14405 (create_component_ref_by_pieces): New function.
14406 (create_expression_by_pieces): Use create_component_ref_by_pieces.
14407 (insert_aux): Move AGGREGATE_TYPE_P check here.
14408 (compute_avail): Set bb local stmt uids.
14409 (pass_pre): Use TODO_update_ssa_only_virtuals.
14411 2006-02-06 Ben Elliston <bje@au.ibm.com>
14413 * configure.ac: Unconditionally disable decimal float by default.
14414 * configure: Regenerate.
14416 2006-02-06 Ben Elliston <bje@au.ibm.com>
14418 * read-rtl.c (read_name): Terminate reading on EOF.
14420 2006-02-06 Ben Elliston <bje@au.ibm.com>
14422 * dfp.c (decimal_real_arithmetic): Change second argument type
14423 from int to enum tree_code. Do not always return true, but now
14424 return result of any call to decimal_do helper functions.
14425 * dfp.h (decimal_real_arithmetic): Update prototype.
14427 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14429 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
14431 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
14434 * tree-cfg.c (cleanup_dead_labels): Also don't remove
14437 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14439 * tree-vrp.c (cfg_loops): Removed.
14440 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
14441 Use current_loops instead of cfg_loops. Pass flags to
14442 loop_optimizer_init.
14443 * cfgloopmanip.c (fix_loop_structure): Update only available
14445 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
14446 loop_optimizer_init.
14447 * modulo-sched.c (build_loops_structure): Removed.
14448 (sms_schedule): Use loop_optimizer_init.
14449 * loop-init.c (loop_optimizer_init): Use flags to determine
14450 which properties of loops to prepare.
14451 (rtl_loop_init): Pass flags to loop_optimizer_init.
14452 * tree-ssa-sink.c (execute_sink_code): Ditto.
14453 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14454 * tree-ssa-pre.c (init_pre): Ditto.
14455 * cfgloop.h (LOOPS_NORMAL): New.
14456 (loop_optimizer_init): Declaration changed.
14458 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14460 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
14461 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
14463 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
14465 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
14467 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
14468 * pa/t-pa64: Delete quadlib.c rule.
14469 * pa/x-ada: Revert last change.
14470 * pa/t-pa: Revert last change. Delete quadlib.c rule.
14472 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14474 PR rtl-optimization/26087
14475 * rtlanal.c (canonicalize_condition): Do not cross basic block
14478 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
14481 * config/ia64/ia64.c: Include debug.h.
14482 (MAX_ARTIFICIAL_LABEL_BYTES): New.
14483 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
14484 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
14485 (process_epilogue, process_set, process_for_unwind_directive):
14486 Output unwind info only if requested. Add CFA info if requested.
14487 Add new arguments as needed. Adjust callers.
14488 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
14490 (DWARF2_FRAME_INFO): Define to zero.
14491 * config/ia64/unwind-ia64.c: Remove code that compensated for
14492 the CFA offset error fixed above.
14493 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
14494 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
14495 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
14496 -funwind-tables and -fexceptions to enable frame info.
14497 (dwarf2out_frame_init): Define initial CFA even if
14498 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
14499 DWARF2_UNWIND_INFO is nonzero, not just defined.
14500 (dwarf2out_frame_finish): Output non-EH call frame info only
14501 if DWARF2_FRAME_INFO is nonzero.
14502 (convert_cfa_to_loc_list,
14503 compute_frame_pointer_to_cfa_displacement): Define even if
14504 unwind info is not supported.
14505 (gen_subprogram_die): Use the above unconditionally. Remove
14506 legacy alternate code.
14507 * toplev.c (compile_file): Compile in call to
14508 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
14509 (lang_dependent_init): Ditto for dwarf2out_frame_init.
14511 2006-02-04 David Edelsohn <edelsohn@gnu.org>
14512 Jakub Jelinek <jakub@redhat.com>
14514 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
14515 IBM extended float format long double as "g" on powerpc*-linux.
14517 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14520 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
14521 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
14523 2006-02-03 Jason Merrill <jason@redhat.com>
14526 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
14528 PR middle-end/25977
14529 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
14530 on the return slot if it's an NRV.
14532 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
14534 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
14535 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
14536 rewrite_use): Do not handle USE_OUTER.
14537 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
14538 add_iv_outer_candidates, may_replace_final_value,
14539 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
14540 (find_interesting_uses_op): Functionality of
14541 find_interesting_uses_outer_or_nonlin moved here.
14542 (find_interesting_uses_outside): Use find_interesting_uses_op.
14544 2006-02-03 Alan Modra <amodra@bigpond.net.au>
14547 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
14549 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
14550 Ulrich Weigand <uweigand@de.ibm.com>
14553 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
14554 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
14555 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
14556 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
14558 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
14559 (s390_rtx_costs): Use the new fields to calculate rtx costs.
14560 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
14561 Define secondary reloads for TFmode moves.
14562 (constant_modes): Add TFmode.
14563 (NR_C_MODES): Set to 8.
14564 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
14566 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
14567 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
14568 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
14569 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
14570 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
14571 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
14572 (FPR mode macro): Add TFmode.
14573 (DSF mode macro): New.
14574 (<de>, <dee> mode attributes): Removed.
14575 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
14576 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
14577 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
14578 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
14579 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
14580 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
14581 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
14582 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
14583 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
14584 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
14585 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
14586 "*negabs<mode>2", "sqrt<mode>2"):
14587 Changed <de> to <xde>. R constraint replaced by <Rf>.
14588 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
14590 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
14591 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
14592 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
14594 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
14595 "extenddftf2", "extendsftf2"): New expanders.
14596 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
14597 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
14598 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
14599 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
14601 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
14602 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
14603 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
14604 __floatditf): Add a GCC_4.1.0 symbol version tag.
14605 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
14608 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
14611 * config/i386/i386.c (ix86_function_ok_for_sibcall):
14612 Use targetm.binds_local_p instead of TREE_PUBLIC.
14614 2006-02-02 Roger Sayle <roger@eyesopen.com>
14616 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
14617 on INTEGER_TYPEs to indicate that it denotes a character type.
14618 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
14619 signed_char_type_node, unsigned_char_type_node and char_type_node.
14620 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
14621 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
14622 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
14624 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
14625 Daniel Berlin <dberlin@dberlin.org>
14627 * tree-tailcall.c (arg_needs_copy_p): New function.
14628 (eliminate_tail_call): Use arg_needs_copy_p.
14629 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
14630 (add_virtual_phis): New function.
14632 2006-02-02 Jakub Jelinek <jakub@redhat.com>
14634 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
14635 #ignore instead of #scratch for %g7 .register directive.
14637 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
14639 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
14642 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14644 * flow.c (calculate_global_regs_live): Assert that there aren't any
14647 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
14649 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
14650 what its name says.
14651 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
14652 bsi_after_labels iterator.
14653 * tree-if-conv.c (find_phi_replacement_condition,
14654 replace_phi_with_cond_modify_expr): Likewise.
14655 * tree-scalar-evolution.c (scev_const_prop): Likewise.
14656 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
14658 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14660 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
14662 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14665 * tree-cfg.c (move_block_to_fn): Clear out the basic block
14666 array after growing it.
14668 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14670 PR middle-end/24901
14671 * fold-const.c (fold_checksum_tree): Change type of buf.
14673 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
14675 * reload.c (push_secondary_reload): Initialize t_icode.
14677 2006-02-01 Jakub Jelinek <jakub@redhat.com>
14679 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
14680 -msoft-float -mlong-double-128 only issue a warning, but don't
14681 swich to DFmode long double.
14683 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
14685 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
14686 has a constant equivalent, iterate over equivalents for arg0,
14687 calling simplify_relational_operation and if there's a result
14688 cheaper than X, apply fold_rtx and return the result.
14690 2006-02-01 Jan Hubicka <jh@suse.cz>
14692 * opts.c (no_unit_at_a_time_default): New global variable.
14693 (decode_options): Use it.
14694 * opts.h (no_unit_at_a_time_default): Declare.
14696 2006-02-01 Paul Brook <paul@codesourcery.com>
14698 * function.c (assign_parm_setup_reg): Use function argument promotion
14700 * expr.c (expand_expr_real_1): Use function argument promotion rules
14703 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14705 * gcc.c (process_command): Change j to 'unsigned int'.
14707 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14709 PR middle-end/26001
14710 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
14711 Use the corrected index for the character
14712 out of the string constant.
14714 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14716 * mode-switching.c (optimize_mode_switching): Fix size
14717 allocated for bb_info[n_entities].
14719 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14721 * gcc.c (main): Correct type that is allocated for
14722 explicit_link_files.
14724 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14726 * config/s390/s390.c (init_alignment_context): Set
14727 ALIAS_SET_MEMORY_BARRIER on the MEM.
14728 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14730 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
14732 PR middle-end/25933
14733 * loop-unroll.c (unroll_loop_runtime_iterations): Free
14735 * tree-ssa-live.c (type_var_init): Allocate bitmap after
14738 2006-01-31 Marcin Dalecki <martin@dalecki.de>
14740 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14741 * regrename.c: Ditto.
14742 * tree-ssa-loop-im.c: Ditto.
14743 * tree-dump.c: Ditto.
14744 * tree-complex.c: Ditto.
14745 * genrecog.c: Ditto.
14746 * tree-ssa-threadupdate.c: Ditto.
14748 * java/class.c: Ditto.
14749 * java/jcf-parse.c: Ditto.
14750 * java/resource.c: Ditto.
14751 * java/except.c: Ditto.
14752 * java/jvspec.c: Ditto.
14753 * java/jcf-write.c: Ditto.
14754 * java/jcf-path.c: Ditto.
14755 * java/gjavah.c: Ditto.
14756 * java/zextract.c: Ditto.
14757 * java/jcf-io.c: Ditto.
14758 * java/jcf.h: Ditto.
14759 * java/buffer.c: Ditto.
14760 * java/lang.c: Ditto.
14761 * java/parse-scan.y: Ditto.
14762 * java/lex.c: Ditto.
14763 * java/lex.h: Ditto.
14764 * cfgloopmanip.c: Ditto.
14765 * postreload-gcse.c: Ditto.
14766 * tree-ssa-loop-manip.c: Ditto.
14767 * postreload.c: Ditto.
14768 * tree-ssa-loop-ch.c: Ditto.
14771 * cppspec.c: Ditto.
14772 * diagnostic.c: Ditto.
14774 * genoutput.c: Ditto.
14776 * cfghooks.c: Ditto.
14777 * cfgloopanal.c: Ditto.
14778 * objc/objc-act.c: Ditto.
14780 * genextract.c: Ditto.
14781 * genautomata.c: Ditto.
14782 * pretty-print.c: Ditto.
14783 * genemit.c: Ditto.
14784 * cgraphunit.c: Ditto.
14786 * df-scan.c: Ditto.
14787 * haifa-sched.c: Ditto.
14788 * dominance.c: Ditto.
14790 * tree-ssa-loop-ivopts.c: Ditto.
14791 * df-core.c: Ditto.
14792 * mode-switching.c: Ditto.
14793 * modulo-sched.c: Ditto.
14795 * ipa-pure-const.c: Ditto.
14797 * fix-header.c: Ditto.
14799 * tree-stdarg.c: Ditto.
14800 * ipa-utils.c: Ditto.
14801 * loop-init.c: Ditto.
14802 * ipa-inline.c: Ditto.
14803 * cfganal.c: Ditto.
14805 * alloc-pool.c: Ditto.
14806 * dwarf2out.c: Ditto.
14808 * genattrtab.c: Ditto.
14809 * tree-ssa-loop-ivcanon.c: Ditto.
14810 * predict.c: Ditto.
14811 * timevar.c: Ditto.
14813 * fortran/gfortranspec.c: Ditto.
14814 * regmove.c: Ditto.
14815 * local-alloc.c: Ditto.
14816 * langhooks.c: Ditto.
14817 * function.c: Ditto.
14818 * tree-vectorizer.c: Ditto.
14820 * ipa-type-escape.c: Ditto.
14822 * tree-if-conv.c: Ditto.
14823 * profile.c: Ditto.
14825 * tree-data-ref.c: Ditto.
14826 * loop-unroll.c: Ditto.
14827 * treelang/treetree.c: Ditto.
14829 * bt-load.c: Ditto.
14830 * ggc-common.c: Ditto.
14832 * coverage.c: Ditto.
14834 * tree-cfgcleanup.c: Ditto.
14835 * tree-ssa-pre.c: Ditto.
14836 * cfgcleanup.c: Ditto.
14837 * loop-invariant.c: Ditto.
14838 * loop-iv.c: Ditto.
14839 * ipa-prop.c: Ditto.
14840 * print-tree.c: Ditto.
14841 * conflict.c: Ditto.
14842 * ggc-page.c: Ditto.
14843 * sched-deps.c: Ditto.
14844 * regclass.c: Ditto.
14845 * tree-object-size.c: Ditto.
14846 * combine.c: Ditto.
14847 * bb-reorder.c: Ditto.
14848 * resource.c: Ditto.
14849 * var-tracking.c: Ditto.
14850 * cfgloop.c: Ditto.
14851 * df-problems.c: Ditto.
14852 * reg-stack.c: Ditto.
14854 * gccspec.c: Ditto.
14855 * sched-rgn.c: Ditto.
14856 * tree-ssa-structalias.c: Ditto.
14857 * tree-ssa-reassoc.c: Ditto.
14858 * config/darwin-c.c: Ditto.
14859 * config/darwin.c: Ditto.
14860 * config/arm/arm.c: Ditto.
14862 * collect2.c: Ditto.
14863 * reload1.c: Ditto.
14865 2006-01-31 Nicolas Pitre <nico@cam.org>
14867 * arm.md (smaxsi3): Make aware of smax_m1.
14870 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14872 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14874 2006-01-31 Richard Guenther <rguenther@suse.de>
14876 * doc/invoke.texi (-msselibm): Document.
14877 * target.h (expand_library_builtin): New target hook.
14878 * builtins.c (expand_builtin): Use expand_library_builtin.
14879 (default_expand_library_builtin): New function.
14880 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14881 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14882 (link_gcc_math_spec): Declare.
14883 (static_specs): Add link_gcc_math_spec.
14884 * expr.h (default_expand_library_builtin): Declare.
14885 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14886 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14887 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14888 * config/i386/i386.opt (msselibm): New target option.
14889 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14890 (ix86_init_sse_abi_builtins): New function.
14891 (ix86_expand_library_builtin): Likewise.
14892 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14893 (override_options): Handle error conditions wrt -msselibm.
14894 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14895 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14896 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14899 2006-01-31 Richard Guenther <rguenther@suse.de>
14900 Paolo Bonzini <bonzini@gnu.org>
14902 * doc/install.texi (--disable-libgcc-math): Document.
14904 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14906 * expr.h (expand_normal): new inline function.
14907 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14908 * dojump.c: use it.
14909 * dwarf2out.c: use it.
14912 * expmed.c: use it.
14913 * except.c: use it.
14914 * config/sparc/sparc.c: use it.
14915 * config/i386/i386.c: use it.
14916 * config/rs6000/rs6000.c: use it.
14917 * config/arm/arm.c: use it.
14918 * config/mips/mips.c: use it.
14919 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14921 2006-01-30 Roger Sayle <roger@eyesopen.com>
14923 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14924 argv to the appropriate type.
14926 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14928 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14931 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14934 * config/s390/s390.c (struct machine_function): New flag
14935 decomposed_literal_pool_addresses_ok_p.
14936 (s390_reorg): Set it before final stage of literal pool transforms.
14937 (s390_decompose_address): Only accept displacements of the form
14938 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14940 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14942 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14943 the comparison routine return.
14945 2006-01-30 Michael Matz <matz@suse.de>
14947 * global.c (find_reg): Only evict for global regs.
14948 Take n_refs into account and dump more info.
14950 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14953 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14954 (pragma_trap, pragma_nosave_low_regs): Likewise.
14955 (current_function_anonymous_args): Likewise.
14956 (sh_deferred_function_attributes): New variable.
14957 (sh_deferred_function_attributes_tail): Likewise.
14958 (print_operand): For '@', look up trap_exit attribute.
14959 (calc_live_regs): Look up trapa_handler attribute. For trapa
14960 handlers, save/restore fpscr, but don't do any other
14961 interrupt-specific saves.
14962 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14963 Fix check for partially saved registers to check for SHmedia.
14964 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14965 (sh_output_function_epilogue): Don't clear any of the removed
14967 (sh_insert_attributes): Don't check pragma_interrupt.
14968 Insert deferred attributes. Check that interrupt attribute is
14969 present for other attributes that require its presence.
14970 (sh_attribute_table): Add new attributes trapa_handler and
14972 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14973 Don't check for pragma_interrupt. Don't store argument.
14974 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14975 (sh_deferred_function_attributes): Declare.
14976 (sh_deferred_function_attributes_tail): Likewise.
14977 * sh.md (sp_switch_1): Add operand. Change generator caller.
14978 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14979 (*return_i): Don't use when trap_exit attribute is in effect.
14980 (*return_trapa): New insn pattern.
14981 * sh-c.c: New file.
14982 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14983 setting c_target_objs and cxx_target_objs.
14984 * t-sh: Add rule for sh-c.o.
14986 2006-01-30 Richard Guenther <rguenther@suse.de>
14989 * gimplify.c (gimplify_target_expr): Handle easy cases
14990 without creating a temporary.
14992 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14994 * vec.h (safe_grow): Remove duplicated line.
14996 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14999 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
15000 (expand_omp): ... here.
15001 (expand_omp_parallel): Only remove barriers for combined
15002 parallel+workshare constructs.
15004 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
15008 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
15009 * tree.c (build_qualified_type): Chain the new type to the original
15010 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
15011 a POINTER_TYPE or a REFERENCE_TYPE respectively.
15012 (build_pointer_type_for_mode): Only return unqualified types.
15013 (build_reference_type_for_mode): Likewise.
15015 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
15017 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
15018 * Makefile.in (CXX_COMPAT_WARN): Define.
15019 * configure: Regenerate.
15021 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
15024 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
15027 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15029 * toplev.c: Fix thinko.
15031 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15032 Marcin Dalecki <martin@dalecki.de>
15034 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
15035 (push_srcloc): Use XNEW.
15036 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
15038 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
15040 * df-core.c (df_set_blocks): Deleted all variable.
15042 2006-01-28 Ian Lance Taylor <ian@airs.com>
15044 * cgraphunit.c (cgraph_assemble_pending_functions): Call
15045 cgraph_output_pending_asms.
15047 2006-01-28 Zack Weinberg <zackw@panix.com>
15049 * c.opt: Add -W(no-)overlength-strings.
15050 * doc/invoke.texi: Document it.
15051 * c-opts.c (c_common_handle_option): -pedantic implies
15052 -Woverlength-strings, if not explicitly disabled already.
15053 (c_common_post_options): -Woverlength-strings defaults to off, and
15054 is always off for C++.
15055 * c-common.c (fix_string_type): Issue warning about strings longer
15056 than is portable only if warn_overlength_strings. Rearrange code
15057 a little for clarity.
15058 * configure.in: Check for -Wno-overlength-strings as well before
15059 enabling -pedantic in stage 1.
15060 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
15061 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
15063 * genconditions.c (write_header, write_one_condition)
15064 (write_conditions, write_writer): Consolidate very long strings
15065 that were broken up to fit in C89 portable limit. Don't use
15066 printf when fputs will do.
15068 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
15070 * combine.c (simplify_comparison <AND>): Check
15071 TRULY_NOOP_TRUNCATION before start using a subreg.
15073 * config/mips/mips.md (*branch_zero<mode>,
15074 *branch_zero<mode>_inverted, *branch_equality<mode>,
15075 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
15076 Remove mode check from comparisons.
15078 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
15080 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
15082 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15084 * expmed.c (const_mult_add_overflow_p): Remove.
15085 * expr.h: Remove the prototype for const_mult_add_overflow_p.
15087 * recog.c (validate_replace_rtx_subexp): Remove.
15088 * recog.h: Remove the prototype for
15089 validate_replace_rtx_subexp.
15091 * integrate.h: Remove the prototype for
15092 copy_decl_for_inlining.
15093 * rtl.h: Remove the prototype for mark_constant_function.
15094 * tree-vectorizer.h: Remove the prototype for
15095 vect_strip_conversion.
15097 * modulo-sched.c (create_partial_schedule,
15098 free_partial_schedule, reset_partial_schedule): Make them
15101 * hooks.c (hook_bool_rtx_int_false): Remove.
15102 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
15104 2006-01-28 David Edelsohn <edelsohn@gnu.org>
15106 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15107 and -mlong-double-128 are incompatible.
15108 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
15109 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
15110 (TARGET_LIBGCC2_CFLAGS): Define.
15111 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
15112 (TARGET_LIBGCC2_CFLAGS): Same.
15113 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
15115 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15118 * c-typeck.c (build_binary_op): Perform implicit casts of
15119 operands before shortening them.
15121 * cfgloopmanip.c (split_loop_bb): Remove.
15122 * cfgloop.h: Remove the prototype for split_loop_bb.
15124 * cfgloop.c (flow_loop_outside_edge_p): Remove.
15125 * cfgloop.h: Remove the prototype for
15126 flow_loop_outside_edge_p.
15128 * emit-rtl.c (init_virtual_regs): Make it static.
15129 * function.h: Remove the prototype for init_virtual_regs.
15131 * recog.c (peephole2_optimize): Make it static.
15132 * recog.h: Remove the prototype for peephole2_optimize.
15134 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15136 * df-scan.c (df_record_entry_block_defs): Check if
15137 INCOMING_RETURN_ADDR_RTX is defined.
15139 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
15140 Kenneth Zadeck <zadeck@naturalbridge.com>
15142 PR rtl-optimization/24762
15143 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15144 * targhooks.c (hook_void_bitmap): New hook prototype.
15145 * targhoohs.h (hook_void_bitmap): Ditto.
15146 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
15147 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
15148 * target.h (live_on_entry): New function pointer.
15149 * df-scan.c (df_all_hard_regs): Removed.
15150 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
15151 (df_scan_free_internal): Added df->entry_block_defs.
15152 (df_scan_alloc): Ditto.
15153 (df_scan_dump): Ditto.
15154 (df_uses_record): Plumbed flag field properly thru calls.
15155 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
15156 This part fixes PR24762.
15157 (df_bb_refs_record): Added code to make the frame and arg
15158 pointers live in EH blocks.
15159 (df_refs_record): Added call to df_record_entry_block_defs.
15160 (df_record_entry_block_defs): New function.
15161 * df-core.c: Added comments to describe new artifical defs.
15162 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
15163 (entry_block_defs): New field in struct df.
15164 (df_all_hard_regs): Deleted.
15165 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15166 * df-problems.c (df_ru_bb_local_compute_process_def):
15167 Added code to handle artifical defs in the entry to a function.
15168 (df_ru_bb_local_compute): Ditto.
15169 (df_rd_bb_local_compute_process_def): Ditto.
15170 (df_rd_bb_local_compute): Ditto.
15171 (df_lr_bb_local_compute): Ditto.
15172 (df_ur_bb_local_compute): Ditto.
15173 (df_urec_bb_local_compute): Ditto.
15174 (df_chain_create_bb): Ditto.
15175 (df_ur_local_finalize): Removed entry.
15176 (df_urec_init): Ditto.
15177 (df_urec_local_finalize): Ditto.
15178 (df_ri_bb_compute): Added detection of last use of pseudos.
15179 * Makefile.in (df-scan.o): Updated dependencies.
15180 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
15181 * config/mips/mips.c (mips_set_live_on_entry): Added.
15182 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
15184 * dce.c (marked_insn_p): Added code to handle artifical defs.
15186 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15188 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
15190 (_mm_cvtsi128_si64): Likewise.
15191 (_mm_cvtsd_si64): Likewise.
15192 (_mm_cvttsd_si64): Likewise.
15193 (_mm_cvtsi64_sd): Likewise.
15194 (_mm_cvtsi64_si128): Likewise.
15195 * config/i386/mmintrin.h (_m_from_int64): Likewise.
15196 (_mm_cvtsi64_m64): Likewise.
15197 (_m_to_int64): Likewise.
15198 (_mm_cvtm64_si64): Likewise.
15199 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
15200 (_mm_cvttss_si64): Likewise.
15201 (_mm_cvtsi64_ss): Likewise.
15202 (_mm_cvtss_f32): Likewise.
15204 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
15206 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
15207 for pragma redefine_extname.
15209 2006-01-27 Jakub Jelinek <jakub@redhat.com>
15212 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
15213 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
15214 -mno-minimal-toc to previous content.
15215 (bispecs): Remove goal.
15216 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
15217 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
15218 compatibility aliases on powerpc-*-*gnu*.
15219 * config/rs6000/libgcc-ppc-glibc.ver: New file.
15220 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
15221 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
15222 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
15223 (ldblspecs): New goal.
15224 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
15225 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
15227 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
15228 L_sf_to_tf or L_df_to_tf is defined.
15230 2006-01-27 David Edelsohn <edelsohn@gnu.org>
15231 Alan Modra <amodra@bigpond.net.au>
15234 * config/rs6000/linux.h (POWERPC_LINUX): Define.
15235 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
15236 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
15237 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
15238 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
15239 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
15240 (rs6000_override_options): Initialize rs6000_ieeequad.
15241 Initialize TFmode format to ibm_extended_format if not
15243 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
15245 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
15246 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
15247 (function_arg_advance): IBM long double passed in two FPRs, not
15249 (function_arg): IBM long double passed in FPRs.
15250 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
15251 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
15252 Only multireg GPR aligned.
15253 (rs6000_init_libfuncs): Enable IBM long double functions if not
15255 (rs6000_generate_compare): Use IBM long double compare if not
15257 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
15258 (TARGET_IEEEQUAD): Define.
15259 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
15260 not TARGET_IEEEQUAD.
15261 * config/rs6000/rs6000.md: Enable TFmode patterns if
15263 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
15264 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15265 and -mlong-double-128 are incompatible.
15266 * doc/invoke.texi (-mabi): Collect options together. Add
15267 ibmlongdouble and ieeelongdouble.
15269 2006-01-27 Richard Sandiford <richard@codesourcery.com>
15271 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
15273 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
15274 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
15275 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
15276 * rtl.h (rtunion_def): Remove rt_ptr.
15278 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
15279 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
15280 * config/i386/winnt.c (i386_pe_mark_dllexport)
15281 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
15283 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
15285 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
15287 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15291 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
15292 pthread_key_delete. From John David Anglin. gthrw-ify
15293 pthread_getunique_np only if it it's not a macro. Delete
15295 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
15296 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
15297 __gthread_objc_condition_signal, __gthread_key_delete): Add
15298 "__attribute__ ((__unused__))" to unused arguments.
15299 (__gthread_recursive_mutex_init_function): Add missing return.
15300 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
15301 gthr-posix95.h: Use macro-based approach for name redirection
15302 on targets missing weakref.
15304 2006-01-26 Zack Weinberg <zackw@panix.com>
15306 * genconditions.c (write_header): In generated code, #ifdef out
15307 all includes and fake declarations, except includes of bconfig.h
15308 and system.h, unless GCC_VERSION >= 3001. Do not include
15309 gensupport.h in any case.
15310 (write_conditions): Generate a definition of struct c_test. Add
15311 a comment to the generated #endif.
15312 (write_one_condition): Escape backslashes in string too.
15313 (write_writer): Generated code must escape backslashes and quote
15314 marks (but not newlines) in the strings it writes.
15315 * Makefile.in (build/gencondmd.o): Update dependencies.
15317 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15320 * Makefile.in (insn-automata.o): Add header file dependencies.
15321 * genautomata.c: Add includes.
15323 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15326 * Makefile.in (insn-automata.o): Add -Wno-error flag.
15328 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15330 * configure.ac: Expect target tools paths to be passed from the toplevel
15331 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
15333 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
15335 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15338 * c.opt (Wpointer-sign): Init to -1.
15339 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
15340 OPT_pedantic, to 0 otherwise.
15341 * doc/invoke.texi: Update.
15343 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15345 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
15346 constants provided by 80387 instructions in the destination mode.
15348 2006-01-26 Richard Guenther <rguenther@suse.de>
15349 Andrew Pinski <pinskia@physics.uc.edu>
15352 partial PR tree-opt/17064
15353 * tree-ssa-structalias.c (intra_create_variable_infos):
15354 Create heap variables for incoming parameters if
15355 flag_argument_noalias > 1.
15356 (find_what_p_points_to): Look through default defs of
15359 2006-01-26 Jeff Law <law@redhat.com>
15362 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
15363 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
15364 within the VR_RANGE, use the VR_RANGE as the result, not the
15366 (adjust_range_with_scev): Reject ranges from SCEV which are out of
15367 bounds for the type.
15369 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
15371 * tree-ssa-alias.c (maybe_create_global_var): Change
15372 subvar walking to an assertion that we don't have subvar'd variables.
15374 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
15377 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
15378 Use a new variable, inner. PARM_DECLs are always non-weak.
15380 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
15382 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
15383 --disable-checking.
15385 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
15387 * config/mips/mips.md (*clear_upper32): New combiner pattern.
15389 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
15391 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
15392 (smax_insn, smin_insn, smax_0, smin_0): New.
15394 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
15397 * config/cris/cris.c (cris_order_for_addsi3): New function.
15398 * config/cris/cris-protos.h: Prototype it.
15399 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
15400 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
15401 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
15402 (split for "op.S1 [rx=rx+i],ry (swapped)")
15403 (split for "op(s|u).S1 [rx=rx+i],ry")
15404 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
15405 Apply cris_order_for_addsi3 when generating addsi3 insns.
15407 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15409 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
15410 (TREE_BLOCK): Add call to EXPR_CHECK.
15412 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15415 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
15416 * tree-pretty-print.c (dump_omp_clause): Extract from ...
15417 (dump_omp_clauses): ... here.
15418 (dump_generic_node): Handle OMP_CLAUSE.
15419 * tree.c (omp_clause_num_ops): New.
15420 (omp_clause_code_name): New.
15421 (tree_code_size): Handle OMP_CLAUSE.
15422 (tree_size): Likewise.
15423 (make_node): Document handling of OMP_CLAUSE.
15424 (tree_node_structure): Handle OMP_CLAUSE.
15425 (omp_clause_check_failed): New.
15426 (omp_clause_range_check_failed): New.
15427 (omp_clause_operand_check_failed): New.
15428 (build_omp_clause): New.
15429 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
15430 * tree.h (enum omp_clause_code): Declare.
15431 (OMP_CLAUSE_SUBCODE_CHECK): Define.
15432 (OMP_CLAUSE_RANGE_CHECK): Define.
15433 (OMP_CLAUSE_ELT_CHECK): Define.
15434 (omp_clause_check_failed): Declare.
15435 (omp_clause_operand_check_failed): Declare.
15436 (omp_clause_range_check_failed): Declare.
15437 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
15438 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
15439 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
15440 (OMP_CLAUSE_LASTPRIVATE): Likewise.
15441 (OMP_CLAUSE_IF_EXPR): Likewise.
15442 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
15443 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
15444 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
15445 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
15446 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
15447 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
15448 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
15449 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
15450 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
15451 (OMP_CLAUSE_CODE): Define.
15452 (OMP_CLAUSE_SET_CODE): Define.
15453 (OMP_CLAUSE_CODE): Define.
15454 (OMP_CLAUSE_OPERAND): Define.
15455 (struct tree_omp_clause): Declare.
15456 (union tree_node): Add field 'omp_clause'.
15457 * treestruct.def (TS_OMP_CLAUSE): Define.
15458 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
15459 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
15460 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
15461 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
15462 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
15463 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
15464 (OMP_CLAUSE): Define.
15465 * print-tree.c (print_node): Handle OMP_CLAUSE.
15466 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
15467 * c-typeck.c: Likewise.
15468 * gimplify.c: Likewise.
15469 * c-omp.c: Likewise.
15470 * tree-nested.c: Likewise.
15471 * tree-inline.c: Likewise.
15472 * c-parser.c: Likewise.
15473 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
15476 2006-01-25 Roger Sayle <roger@eyesopen.com>
15478 PR rtl-optimization/25703
15479 * combine.c (try_combine): Handle zero_extract and strict_low_part
15480 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
15482 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
15484 * global.c: Fix comment typos.
15486 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
15489 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
15490 Use output_addr_const instead of assemble_name.
15492 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
15494 * Makefile.in (sched-vis.o): Update dependencies.
15495 * haifa-sched.c (sched_finish): Clear current_sched_info.
15496 * cfg.c (dump_bb_info): New, split from dump_flow_info.
15497 (dump_flow_info): Call it.
15498 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
15500 * basic-block.h (dump_bb_info): Declare.
15501 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
15502 option, and apply options only for dump files whose TDF_RTL,
15503 TDF_TREE, or TDF_IPA bits match.
15504 * rtl.h: Declare new functions exported from sched-vis.c.
15505 * sched-vis.c: Enable also if scheduling is not used.
15506 (print_value): Print the mode of registers if not inside scheduling.
15507 (print_insn): Make it work outside the scheduler. Beautify the output
15509 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
15511 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15513 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
15514 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
15515 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
15516 depending on the value of CONSTANT_POOL_ADDRESS_P.
15517 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
15519 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
15520 rather than SYMBOL_REF_DECL.
15521 (rtx_constant_pool): Remove const_rtx_sym_htab.
15522 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
15523 (init_varasm_status): Don't initialize const_rtx_sym_htab.
15524 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
15525 Remove handling of const_rtx_sym_htab.
15526 (find_pool_constant): Delete.
15527 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
15528 rather than find_pool_constant.
15529 (get_pool_constant_for_function): Delete.
15530 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
15531 find_pool_constant.
15532 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
15533 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
15534 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
15535 (SYMBOL_REF_CONSTANT): New macro.
15536 (get_pool_constant_for_function): Delete.
15537 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
15538 rather than SYMBOL_REF_DECL.
15539 (i386_pe_mark_dllimport): Likewise.
15540 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
15541 rather than SYMBOL_REF_DECL.
15542 * config/darwin.c (machopic_indirect_data_reference): Likewise.
15543 (machopic_indirect_call_target): Likewise.
15545 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
15547 * flow.c (delete_noop_moves): Add missing EOL to dump message.
15549 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15551 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
15553 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
15555 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
15557 2006-01-24 David Daney <ddaney@avtrex.com>
15560 * configure.ac (enable_tls): New enable option.
15561 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
15562 * configure: Regenerate.
15563 * doc/install.texi (--enable-tls): Document new option.
15564 (--disable-tls): Ditto.
15566 2006-01-24 Richard Henderson <rth@redehat.com>
15568 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
15569 * alias.c (true_dependence): Respect it.
15570 (canon_true_dependence, write_dependence_p): Likewise.
15571 * builtins.c (get_builtin_sync_mem): Set it.
15573 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
15575 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
15578 2006-01-24 DJ Delorie <dj@redhat.com>
15580 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
15581 for storing constants in single-bit bitfields.
15583 2006-01-25 Ben Elliston <bje@au.ibm.com>
15585 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
15587 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
15590 * tree-ssa-pre.c (phi_translate): Return NULL
15591 for AGGREGATE_TYPE's.
15593 2006-01-24 Zack Weinberg <zackw@panix.com>
15595 * genautomata.c (process_state_for_insn_equiv_partition):
15596 Use xcalloc for insn_arcs_array.
15597 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
15598 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
15600 2006-01-24 Richard Henderson <rth@redhat.com>
15602 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
15603 update all callers.
15605 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
15607 PR rtl-optimization/25890
15608 PR rtl-optimization/25905
15609 * combine.c (expand_compound_operation, expand_field_assignment):
15610 Fail if the bitfield's final position is out of bounds.
15612 2006-01-24 Ian Lance Taylor <ian@airs.com>
15614 PR middle-end/25930
15615 * cgraphunit.c (cgraph_output_in_order): Don't clear
15616 cgraph_asm_nodes until after asm strings have been output.
15618 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
15620 * fix-header.c (read_scan_file): Add new parameter imultilib when
15621 calling register_include_chains.
15623 2006-01-23 Diego Novillo <dnovillo@redhat.com>
15625 * omp-low.c: Update documentation.
15627 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15628 Daniel Berlin <dberlin@dberlin.org>
15632 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
15633 return from the function.
15635 2006-01-22 Zack Weinberg <zackw@panix.com>
15637 * rtl.def (match_code): Add second argument.
15638 * genpreds.c (write_extract_subexp): New function.
15639 (write_match_code): Add path argument. Use write_extract_subexp.
15640 (write_predicate_expr): Pass path to write_match_code.
15641 (mark_mode_tests): MATCH_CODE applied to a subexpression does
15642 not perform a mode test.
15643 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
15644 a subexpression does not constrain the top-level code set.
15645 * read-rtl.c (read_rtx_variadic): New function.
15646 (read_rtx_1): Use it; allow AND and IOR to be variadic.
15647 * doc/md.texi: Document new notation.
15648 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
15649 (cmpsi_operand): ... here, using new notation.
15651 2006-01-22 Zack Weinberg <zackw@panix.com>
15653 * varray.c: Remove GENERATOR_FILE #ifdefs.
15655 2006-01-22 Zack Weinberg <zackw@panix.com>
15657 * genautomata.c (output_reserved_units_table): Emit nothing if
15658 description->query_units_num is zero. Remove extra blank line.
15659 (output_cpu_unit_reservation_p): Short circuit
15660 if description->query_units_num is zero.
15662 2006-01-22 Zack Weinberg <zackw@panix.com>
15664 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
15665 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
15666 nor any of the random handful of variables that used to be necessary
15667 when this program was linked with rtlanal.o. Prune set of forward
15668 function declarations.
15669 (struct attr_desc): Remove static_p field.
15670 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
15671 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
15672 (attr_string): Do not read the character one past the length of
15674 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
15675 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
15676 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
15677 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
15678 (make_automaton_attrs): New.
15679 (main): Do not call into genautomata. Call local gen_bypass
15680 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
15681 Remove special case for insn_alts.
15682 * genautomata.c: Include gensupport.h; not genattrtab.h nor
15683 varray.h (leftover from previous change). Prune set of forward
15684 function declarations. Remove state_alts fields from all
15685 structures. Remove state_alts_table from struct automaton.
15686 Make everything except main static. Do not maintain num_dfa_decls.
15687 Do not maintain state_alts fields of various structures.
15688 (process_decls): Don't validate condexp for dm_insn_reserv decls.
15689 (add_arc): Remove state_alts argument. All callers updated.
15690 (output_reserved_units_table): Emit #ifdef here...
15691 (output_tables): ...not here. Don't generate state_alts tables.
15692 (expand_automata): Don't generate attributes.
15693 (write_automata): Don't generate state_alts functions.
15694 (main): New function.
15695 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
15696 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
15697 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
15698 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
15699 (BYPASS_P_FUNC_NAME, output_state_alts_table)
15700 (output_automata_list_state_alts_code, output_internal_state_alts_func)
15701 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
15702 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
15704 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15705 * genattrtab.h: Delete file.
15706 * Makefile.in (OBJS-common): Add insn-automata.o.
15707 (insn-automata.o): New rule.
15708 (simple_generated_c): Add insn-automata.c.
15709 (build/genattrtab.o, build/genautomata.o): Update dependencies.
15710 (genprogmd): Add automata.
15711 (build/genattrtab): Needs no extra objects nor libraries.
15712 (build/genautomata): Needs build/vec.o and -lm.
15714 2006-01-22 Zack Weinberg <zackw@panix.com>
15716 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15717 (output_dfa_max_issue_rate, locked_states_num): Delete.
15718 (struct automaton): Add locked_states field.
15719 (output_dead_lock_vect): Save number of locked states in
15720 automaton->locked_states. If it is zero, don't print anything.
15721 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15722 (output_internal_dead_lock_func): Only test the dead_lock_vect
15723 for automata that have locked states.
15724 (output_statistics): Always print the number of locked states for
15725 each automaton. Calculate total number of locked states here.
15726 (write_automata): Don't call output_dfa_max_issue_rate.
15727 * genattrtab.c: Define length_unit_log as a const variable.
15728 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15729 max_insn_queue_index const.
15730 * final.c (length_unit_log): Declare const.
15731 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15733 2006-01-22 Zack Weinberg <zackw@panix.com>
15735 * genautomata.c: Include vec.h, not varray.h.
15736 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15737 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
15738 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
15739 VEC_* macros operating on appropriately typed vectors, or to
15740 malloced arrays when the size is known in advance. Const-ify
15741 many char* variables and function arguments. No functional changes.
15742 * Makefile.in (build/varray.o): Delete rule.
15743 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15744 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15746 2006-01-22 Zack Weinberg <zackw@panix.com>
15748 * gensupport.c: Define get_insn_name and record_insn_name here.
15749 (read_md_rtx): Call record_insn_name as appropriate.
15750 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15751 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15752 * genpreds.c, genrecog.c: Don't define get_insn_name nor
15754 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15755 (BUILD_VARRAY): Delete.
15756 (genprognormal): Rename genprogmd. Fold in all programs from
15757 genprognoprint; also attrtab.
15758 (build/genattrtab): Just mention genautomata.o and varray.o.
15759 Reorganize a bit, add comments to make the categories clearer.
15761 2006-01-22 Zack Weinberg <zackw@panix.com>
15763 * genconditions.c (condition_table, add_condition): Delete.
15764 (write_conditions): Don't emit n_insn_conditions nor
15765 insn_elision_unavailable. Issue the gcc version #ifdef here,
15766 inside the table, with no #else clause ...
15767 (write_header): ...not here.
15768 (write_writer): New function.
15769 (main): Don't initialize condition_table. Use add_c_test.
15771 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15772 files on the command line.
15773 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15774 Return -1 if there is no entry in the table, don't abort.
15775 (add_c_test, traverse_c_tests): New functions.
15776 * gensupport.h (insn_elision_unavailable, insn_conditions)
15777 (n_insn_conditions): Delete declarations.
15778 (add_c_test, traverse_c_tests): Declare.
15779 * read-rtl.c: Include gensupport.h.
15780 (read_conditions): New function.
15781 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15782 (read_rtx_1): If we get EOF when we were looking for an initial
15783 open paren, return 0. Call read_conditions when appropriate.
15784 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15785 dummy-conditions.o. Eliminate references to insn-conditions.o,
15786 or change them to build/gencondmd.o, as appropriate. Remove
15787 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15788 from $(simple_generated_c). For all files remaining in those
15789 two lists, add insn-conditions.md to the generator command line.
15790 Give insn-constants.h/s-constants their own rules. Add rules
15791 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15792 (build/read-rtl.o): Depend on gensupport.h.
15793 (genprognormal): Include preds.
15794 (genprogearly): Rename genprognoprint; only difference is now that
15795 they don't link with $(BUILD_PRINT).
15796 * dummy-conditions.c: Delete.
15798 2006-01-22 Zack Weinberg <zackw@panix.com>
15800 * genextract.c: Don't include insn-config.h. Do include vec.h.
15801 Declare vectors of int, char, and locstr.
15802 (locstr): New typedef.
15803 (struct extraction): Make all array fields into bare pointers.
15804 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15805 (insn_code_number): Delete.
15806 (accum_extract): New struct.
15807 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15808 (gen_insn): Take insn_code_number as an argument. Use an
15809 accum_extract structure instead of loading data directly into
15810 a struct extraction, and having to know how big it might get.
15811 (walk_rtx): Operate entirely on an accum_extract structure.
15812 (print_path): Avoid unnecessary use of printf.
15813 (print_header): New function, split out of main. Distinguish
15814 more carefully between an unrecognizable insn and an insn that
15815 has the code number of a define_expand.
15816 (main): Pass insn_code_number to gen_insn. Call print_header
15817 only after parsing. Avoid unnecessary use of printf.
15818 * Makefile.in (build/vec.o): New rule.
15819 (build/genextract): Depend on build/vec.o.
15820 (build/genextract.o): Don't depend on insn-config.h.
15822 2006-01-22 Zack Weinberg <zackw@panix.com>
15824 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15825 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15826 practical. Eliminate per-generator-program link rules.
15828 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15830 PR middle-end/24437
15831 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15832 with a call expr to ...
15833 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15835 2006-01-23 Richard Guenther <rguenther@suse.de>
15837 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15838 before make_edge with conditional EDGE_TRUE_VALUE.
15840 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15841 Jan Hubicka <jh@suse.cz>
15842 Richard Guenther <rguenther@suse.de>
15844 PR rtl-optimization/25654
15845 * cfgexpand.c (aggregate_contains_union_type): New function.
15846 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15847 for structure variables that contain a union type.
15849 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15851 * gengtype.c (new_structure): Return the structure.
15852 (create_option): Add an extra "next" argument.
15853 (create_field): New function.
15854 (adjust_field_rtx_def): Use create_option and create_field.
15855 Remove a now-unnecessary call to find_structure.
15856 (adjust_field_tree_def): Likewise.
15857 (note_yacc_type): Remove an unnecessary call to find_structure.
15858 * gengtype.h (new_structure): Return the structure.
15859 (create_option): Add an extra argument.
15860 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15861 (option): Adjust calls to create_option.
15863 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15865 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15867 2006-01-22 Paul Brook <paul@codesourcery.com>
15868 Peter Barada <peter@the-baradas.com>
15870 * config/m68k/m68k.md: Add Coldfire FPU support.
15871 Define FP mode macro and associated attributes.
15872 Use it for float mode patterns.
15873 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15874 (LIBCALL_VALUE): Use m68k_libcall_value.
15875 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15876 (m68k_function_value): Ditto.
15877 (emit_move_sequence): Ditto.
15878 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15879 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15880 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15881 (MULTILIB_EXCEPTIONS): Ditto.
15882 * config/m68k/m68k.opt: Add mcfv4e.
15883 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15884 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15885 (m68k_output_function_prologue): Save ColdFire FPU registers.
15886 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15887 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15888 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15889 ColdFire FPU registers.
15890 (m68k_libcall_value, m68k_function_value): New functions.
15891 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15892 (LIBCALL_VALUE): Use m68k_libcall_value.
15893 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15894 (MASK_COLDFIRE): Add MASK_CFV4E.
15895 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15896 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15897 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15898 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15899 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15900 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15901 * doc/invoke.tex: Document -mcfv4e on m68k.
15903 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15905 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15908 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15911 * c-opts.c (c_common_handle_option): Don't include
15912 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15913 * doc/invoke.texi (C++ Dialect Options): Document that
15914 -Wnon-virtual-dtor is no longer included in -Wall.
15916 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15918 * gcov.c (print_version), gcov-dump.c (print_version),
15919 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15922 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15924 * df-scan.c (problem_SCAN): Added NULL reset function.
15925 (df_scan_reset_blocks): Added code to call reset block function
15926 (df_bb_refs_delete) Fixed comment.
15927 (df_insn_refs_delete): Made tolerant of deleting non existent info
15928 for dataflow problems that need to be reset.
15929 * df-core.c (df_set_blocks): Ditto.
15930 * df.h (struct df_problem): Added reset_fun.
15931 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15932 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15933 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15934 functions to clear out all references to def-use or use-def chains.
15936 2006-01-21 Ben Elliston <bje@au.ibm.com>
15938 * varasm.c (assemble_real): Initialise data array.
15940 2006-01-20 Paul Brook <paul@codesourcery.com>
15942 Merge from csl-arm-branch.
15943 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15944 * config/arm/arm.md (movdi): Force operands[1] to a register
15945 if we have a non-register source.
15946 (*arm_movdi, *movdf_soft_insn): Require that one of the
15947 operands be a register.
15948 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15949 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15951 2006-01-20 DJ Delorie <dj@redhat.com>
15953 * varasm.c (initializer_constant_valid_p): Allow pointers
15954 initialized from integer constants of lesser precision.
15955 (output_constant): Allow non-int-sized pointer modes to be
15956 initialized from integer constants.
15958 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15961 * cppdefault.h (struct default_include): Add multilib flag.
15962 * cppdefault.c (cpp_include_defaults): Set it.
15963 * c.opt (-imultilib): New option.
15964 * c-opts.c (imultilib): New.
15965 (c_common_handle_option): Handle -imultilib.
15966 (c_common_post_options): Likewise.
15967 * c-incpath.c (add_standard_paths, register_include_chains):
15969 * c-incpath.h (register_include_chains): Add extra parameter.
15970 * gcc.c (do_spec_1): Generate -imultilib option.
15971 (The Specs Language): Update %I description.
15972 (process_command): Update copyright notice.
15973 * doc/cppopts.texi (-imultilib): Document.
15974 * doc/invoke.texi (-imultilib): Include in option summary.
15975 (%I): Update specs documentation.
15977 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15979 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15981 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15983 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15986 2006-01-20 Richard Guenther <rguenther@suse.de>
15987 Steven Bosscher <stevenb.gcc@gmail.com>
15989 PR rtl-optimization/24626
15990 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15991 EDGE_TRUE_VALUE if in RTL mode.
15994 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15995 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15997 2006-01-20 Dirk Mueller <dmueller@suse.com>
16000 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
16001 instead of a special NOP marker.
16002 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
16003 NOP marker handling.
16004 * c-common.h (empty_body_warning): Add forward declaration.
16005 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
16006 Now uses IS_EMPTY_STMT() instead of special NOP markers.
16008 2006-01-20 Paul Brook <paul@codesourcery.com>
16010 * Makefile.in (lang_checks): Keep going if mkdir fails.
16012 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16014 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
16015 be able to clean out basic block when not necessary.
16016 (df_scan_free): Fixed to properly delete information if df is
16017 unused before calling df_finish.
16018 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
16019 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
16021 (df_bb_refs_delete): New function.
16022 (df_refs_delete): Moved per block code to df_bb_refs_delete.
16023 * df-core.c (df_set_blocks): Added code to properly clean out
16024 unused blocks if they are not part of the blocks to consider.
16025 Added additional null check.
16026 (df_compact_blocks): Added basic block parameter to free_bb_fun to
16027 be able to clean out basic block when not necessary
16028 * df.h (df_free_bb_function): Ditto.
16029 (df_bb_refs_delete): New function.
16030 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
16031 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
16032 basic block parameter to be able to clean out basic block when not
16034 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
16035 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
16036 Fixed to properly delete information if df is unused before
16039 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16041 PR rtl-optimization/25799
16042 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
16043 Corrected confluence operator to remove bits from op2 before oring
16044 with op1 rather than removing bits from op1.
16045 (df_ru_transfer_function): Corrected test on wrong bitmap which
16046 caused infinite loop. Both of these problems were introduced in
16047 the dataflow rewrite.
16049 2006-01-19 DJ Delorie <dj@redhat.com>
16051 * reload1.c (find_reload_regs): Note the details of reload
16052 failures in the dump file.
16053 (spill_failure): Likewise.
16055 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16057 * loop-iv.c: Include df.h and hashtab.h.
16058 (enum iv_grd_result): New enum.
16059 (DF_REF_IV, DF_REF_IV_SET): New macros.
16060 (struct biv_entry): New.
16061 (df, bivs): New global variables.
16062 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
16063 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
16065 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
16066 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
16067 analyzed_for_bivness_p, record_biv): New functions.
16068 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
16069 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
16070 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
16072 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
16074 (iv_number_of_iterations): Use new interface to iv analysis.
16075 * loop-unroll.c: Do not include varray.h.
16076 (analyze_iv_to_split_insn): Use new interface to iv
16078 * loop-unswitch.c (may_unswitch_on): Ditto.
16079 * df.c (df_bitmaps_free): Only work for bbs for that structures are
16081 (df_bb_modify): Realloc tables to the new index.
16082 (df_find_use): New function.
16083 * df.h (df_find_use): Declare.
16084 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
16086 * cfgloop.h (struct rtx_iv): Remove analysed field.
16087 (iv_get_reaching_def): Removed.
16088 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
16089 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
16090 (loop-iv.o): Add df.h and hashtab.h dependency.
16091 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
16093 2006-01-20 Alan Modra <amodra@bigpond.net.au>
16096 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
16098 (__floatundisf, __floatundidf): Likewise.
16099 * libgcc2.h (IS_IBM_EXTENDED): Define.
16101 2006-01-19 DJ Delorie <dj@redhat.com>
16103 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
16105 2006-01-19 Paul Brook <paul@codesourcery.com>
16107 * config/arm/arm.c (arm_compute_func_type): Treat all functions
16108 as nothrow when unwinding tables are disabled.
16110 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16113 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
16114 of bit-field" when in system header.
16116 2006-01-19 DJ Delorie <dj@redhat.com>
16118 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
16119 the 16 bit shift limit of the m16c.
16121 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
16124 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
16125 * config/i386/i386.c (output_set_got): Output the label if we have one
16126 for the TARGET_DEEP_BRANCH_PREDICTION case.
16128 2006-01-19 Jan Hubicka <jh@suse.cz>
16129 H.J. Lu <hongjiu.lu@intel.com>
16130 Evandro Menezes <evandro.menezes@amd.com>
16132 * invoke.texi (generic): Document
16134 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
16135 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
16136 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
16137 (x86_use_incdec, x86_pad_returns): New variables
16138 (TARGET_CPU_DEFAULT_generic): New constant
16139 (TARGET_CPU_DEFAULT_NAMES): Add generic.
16140 (enum processor_type): Add generic32 and generic64.
16141 * i386.md (cpu attribute): Add generic32/generic64
16142 (movhi splitter): Behave sanely when both partial_reg_dependency and
16143 partial_reg_stall are set.
16144 (K8 splitters): Enable for generic as well.
16145 * predicates.md (incdec_operand): Use TARGET_INCDEC
16146 (aligned_operand): Avoid memory mismatch stalls.
16147 * athlon.md: Enable for generic64, new patterns for 128bit moves.
16148 * ppro.md: Enable for generic32
16149 * i386.c (generic64_cost, generic32_cost): New.
16150 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
16151 (x86_use_leave): Enable for generic64. (x86_use_sahf,
16152 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
16153 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
16154 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
16155 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
16156 x86_partial_reg_dependency, x86_memory_mismatch_stall,
16157 x86_accumulate_outgoing_args, x86_prologue_using_move,
16158 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
16159 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
16160 Enable for generic.
16161 (x86_use_incdec, x86_pad_returns): New.
16162 (override_options): Add generic32 and generic64, translate "generic"
16163 to generic32/generic64 and "i686" to "generic32", refuse
16164 "generic32"/"generic64" as arch target.
16165 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
16166 (ix86_reorg): Honor PAD_RETURNS.
16168 2006-01-19 Diego Novillo <dnovillo@redhat.com>
16170 * tree-pretty-print.c (dump_generic_node): Handle
16171 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
16172 * cgraph.c (cgraph_expand_queue): Rename from
16173 cgraph_analyze_queue. Update all users.
16174 * cgraphunit.c (cgraph_assemble_pending_functions): Process
16175 cgraph_expand_queue.
16176 (cgraph_expand_all_functions): Likewise.
16177 (cgraph_finalize_pending_functions): Remove. Update callers.
16179 * tree.h (OMP_DIRECTIVE_P): Define.
16180 (OMP_PARALLEL_FN): Define.
16181 (OMP_PARALLEL_DATA_ARG): Define.
16182 (OMP_SECTIONS_SECTIONS): Define.
16183 * tree-pass.h (pass_expand_omp): Declare.
16184 * omp-low.c (struct omp_region): Declare.
16185 (struct omp_context): Remove fields 'parallel_type',
16186 'parallel_start_ix' and 'parallel_start_additional_args'.
16188 (struct omp_for_data): Rename from struct expand_omp_for_data.
16189 (omp_regions): New static variable.
16190 (root_omp_region): New static variable.
16191 (find_omp_clause): Make static.
16192 (is_in_combined_parallel_ctx): Remove.
16193 (is_combined_parallel): New.
16194 (extract_omp_for_data): Move earlier in the file.
16195 (workshare_safe_to_combine_p): New.
16196 (get_ws_args_for): New.
16197 (determine_parallel_type): Move earlier in the file.
16198 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
16200 (omp_copy_decl): Likewise.
16201 (create_omp_child_function): Likewise.
16202 (lookup_omp_region): New.
16203 (dump_omp_region): New.
16204 (debug_omp_region): New.
16205 (debug_all_omp_regions): New.
16206 (new_omp_region): New.
16207 (scan_omp_parallel): If parallel_nesting_level > 1, the
16208 directive is nested within another parallel directive.
16209 Set OMP_PARALLEL_FN.
16210 (scan_omp_for): Do not try to handle combined parallel+for
16212 Remove FIXME comment.
16213 (scan_omp_nested): Remove.
16214 (scan_omp_1): Do not call scan_omp_nested when
16215 parallel_nesting_level is > 1.
16216 Do not change the DECL_CONTEXT of local variables found.
16217 (lookup_decl_in_outer_ctx): New.
16218 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
16219 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
16220 (lower_reduction_clauses): Rename from expand_reduction_clauses.
16221 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
16222 If CTX is nested, lookup VAR in the outer context when
16223 building copy assignment.
16224 (lower_send_clauses): Rename from expand_send_clauses.
16225 If CTX is nested, lookup VAR in the outer context when
16226 building copy assignments.
16227 (lower_send_shared_vars): Rename from expand_send_shared_vars.
16228 If CTX is nested, lookup VAR in the outer context when
16229 building copy assignments.
16230 (expand_parallel_call): Rename from build_parallel_call.
16231 Handle combined parallel+workshare cases.
16232 Re-implement to emit code into the CFG.
16234 (expand_omp_parallel): Re-implement to emit code into the CFG.
16235 Call move_sese_region_to_fn to outline the sub-graph
16236 containing the parallel region.
16237 (expand_omp_for_1): Remove.
16238 (expand_omp_for_generic): Re-implement to emit code into the
16240 (expand_omp_for_static_nochunk): Likewise.
16241 (expand_omp_for_static_chunk): Likewise.
16242 (expand_omp_for): Likewise.
16243 (expand_omp_sections): Likewise.
16244 (remove_exit_barriers): New.
16245 (expand_omp_synch): New.
16247 (build_omp_regions_1): New.
16248 (build_omp_regions): New.
16249 (execute_expand_omp): New.
16250 (gate_expand_omp): New.
16251 (pass_expand_omp): Define.
16252 (lower_omp_sections): Rename from expand_omp_sections.
16253 Set OMP_SECTIONS_SECTIONS.
16254 (lower_omp_single_simple): Rename from expand_omp_single_simple.
16255 (lower_omp_single_copy): Rename from expand_omp_single_copy.
16256 (lower_omp_single): Rename from expand_omp_simple.
16257 (lower_omp_master): Rename from expand_omp_master.
16258 (lower_omp_ordered): Rename from expand_omp_ordered.
16259 (lower_omp_critical): Rename from expand_omp_critical.
16260 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
16261 (lower_omp_for): Re-implement.
16262 (lower_omp_parallel): Re-implement.
16263 (lower_regimplify): Rename from expand_regimplify.
16264 (lower_omp_1): Rename from expand_omp_1.
16265 If there are syntax errors in the program, replace every
16266 OpenMP directive with NOP.
16267 Call lower_omp_* instead of expand_omp_*.
16268 (lower_omp): Rename from expand_omp.
16270 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
16271 * tree-gimple.h (enum omp_parallel_type): Remove.
16272 (gimple_boolify): Declare extern.
16273 (find_omp_clause, determine_parallel_type): Remove.
16275 * gimple-low.c (lower_omp_directive): New.
16276 (lower_stmt): Call it.
16277 (record_vars_into): Move from ...
16278 (record_vars): ... here.
16279 Call record_vars_into with current_function_decl.
16281 * gimplify.c (struct gimplify_ctx): Remove fields
16282 combined_pre_p and combined_ctxp. Update users.
16283 (get_formal_tmp_var): Add documentation.
16284 (gimple_boolify): Make extern.
16285 (gimplify_expr_in_ctx): Remove. Update callers.
16286 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
16287 will always be a BIND_EXPR.
16288 (gimplify_expr): Handle OMP_RETURN_EXPR.
16289 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
16290 (OMP_PARALLEL): Add 3 operands.
16291 (OMP_SECTIONS): Add 1 operand.
16292 (OMP_RETURN_EXPR): Define.
16294 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
16295 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
16296 * tree-iterator.c (alloc_stmt_list): Assert that we are not
16297 creating a circular free list.
16298 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
16300 * tree-flow.h (move_sese_region_to_fn): Declare.
16301 (record_vars_into): Declare.
16302 * tree-cfg.c (make_omp_sections_edges): New.
16303 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
16304 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
16305 OMP_SECTIONS and OMP_SECTION.
16306 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
16307 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
16308 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
16309 (gather_blocks_in_sese_region): New.
16310 (struct move_stmt_d): Declare.
16311 (move_stmt_r): New.
16312 (move_block_to_fn): New.
16313 (move_sese_region_to_fn): New.
16315 * passes.c (init_optimization_passes): Schedule
16316 pass_expand_omp after pass_init_datastructures.
16318 * tree-ssa-operands.c (get_expr_operands): Handle
16319 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
16320 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
16322 2006-01-19 Jeff Law <law@redhat.com>
16324 * tree-vrp.c (extract_range_from_assert): Refine the result range
16325 if the variable referenced by the ASSERT_EXPR has a range and
16326 either the tentative result range or the previous range is a
16329 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16331 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
16333 2006-01-19 Jan Hubicka <jh@suse.cz>
16335 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
16337 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
16339 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
16340 (expand_compound_operation, expand_field_assignment): Fail if the
16341 bit lengths of an extract operation are out of range.
16342 (make_extraction): Compute wanted_inner_mode based on the position
16343 and length of the extraction. Make it extraction_mode for non-constant
16344 positions, and do not modify offset in that case. When generating a
16345 new MEM, use a mode that can hold the extraction while keeping correct
16346 alignment. Remove code that supported MEMs wrapped by USEs.
16347 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
16349 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
16351 * config/s390/s390.md ("Y", "y"): New mode attribute.
16352 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
16353 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
16354 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
16355 "*addsi3_imm_cc", "*addsi3_carry1_cc",
16356 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
16357 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
16358 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
16359 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
16360 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
16361 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
16362 "addsi3", "subsi3"): Insn patterns removed.
16363 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
16364 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
16365 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
16366 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
16367 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
16368 "*sub<mode>3_cconly2"): New insn patterns.
16369 ("addsi3", "subsi3"): New expanders.
16371 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
16373 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
16374 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
16375 existing STMT_VINFO_VECTYPE if available.
16376 (vect_mark_relevant): Add special handling for stmts that are
16377 marked as STMT_VINFO_IN_PATTERN_P.
16378 (vect_analyze_loop): Call vect_pattern_recog.
16379 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
16380 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
16382 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
16383 (vect_recog_func_ptr): New function-pointer type.
16384 * tree-vect-patterns.c: New file.
16385 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
16386 (vect_recog_dot_prod_pattern, vect_pattern_recog):
16387 (vect_pattern_recog_1): New functions.
16388 (vect_pattern_recog_funcs): New array of function pointers.
16390 * tree-vectorizer.h (ternary_op): New enum value.
16391 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
16392 declaration. Revised documentation. Removed redundant dump prints.
16393 Removed redundant argument. Added support for reduction patterns.
16394 (vectorizable_reduction): Added support for reduction patterns.
16395 (vect_transform_stmt): Added support for patterns.
16397 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
16398 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
16399 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
16400 (expand_widen_pattern_expr): New function.
16401 (init_optabs): Initialize new optabs udot_prod_optab,
16403 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
16404 (sdot_prod_optab, udot_prod_optab): Define new optabs.
16405 (expand_widen_pattern_expr): New function declaration.
16406 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
16408 * tree-inline.c (estimate_num_insns_1): Added cases for new
16409 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16410 * tree-pretty-print.c (dump_generic_node): Likewise.
16411 (op_prio): Likewise.
16412 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16413 * tree-ssa-operands.c (get_expr_operands): Added case for
16415 * tree-vect-patterns.c (widened_name_p): New function.
16416 (vect_recog_dot_prod_pattern): Added function implementation.
16417 * tree-vect-transform.c (get_initial_def_for_reduction): Added
16418 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
16419 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
16420 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
16422 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
16423 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
16424 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
16425 (init_optabs): Initialize new optabs widen_ssum_optab,
16427 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
16428 (widen_ssum_optab, widen_usum_optab): Define new optabs.
16429 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
16430 use instead of type of def.
16431 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
16432 function implementation.
16433 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
16434 widen_ssumv8hi): New.
16436 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
16439 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16442 * c-decl.c (add_flexible_array_elts_to_size): New function.
16443 (finish_decl): Use it.
16445 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
16447 * diagnostic.h: Include options.h.
16448 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
16449 dependancies for diagnostic.h.
16450 * Makefile.in (DIAGNOSTIC_H): Add options.h.
16452 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
16454 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
16455 (ssa_ro_call_cache_valid): Ditto.
16456 * tree-ssa-alias.c (sort_tags_by_id): New function.
16457 (init_transitive_clobber_worklist): Ditto.
16458 (add_to_worklist): Ditto.
16459 (mark_aliases_call_clobbered): Ditto.
16460 (compute_tag_properties): Ditto.
16461 (set_initial_properties): Ditto.
16462 (compute_call_clobbered): Ditto.
16463 (compute_may_aliases): Call compute_call_clobbered and grouping.
16464 (compute_flow_sensitive_aliasing): Remove clobbering related code.
16465 (compute_flow_insensitive_aliasing): Grouping now happens in our
16467 (setup_pointers_and_addressables): Remove clobbering related code.
16468 (add_may_alias): Ditto.
16469 (replace_may_alias): Ditto.
16470 (get_nmt_for): Ditto.
16471 (create_global_var):
16472 (is_escape_site): Return an escape_type enumeration.
16473 * tree-flow-inline.h (is_call_clobbered): Global var does not
16474 imply call clobbered.
16475 (mark_call_clobbered): Take a reason for marking this. Remove
16476 marking of globalness, and cache invalidation.
16477 (clear_call_clobbered): Remove cache invalidation code.
16478 * tree-dfa.c (dump_variable): If details is on, dump the reason
16480 * tree-outof-ssa.c (create_temp): Copy escape mask from original
16482 * tree-flow.h (struct ptr_info_def): Add escape mask member.
16483 (struct var_ann_d): Ditto.
16484 (enum escape_type): New.
16485 (mark_call_clobbered): Adjust prototype.
16486 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
16487 are never call clobbered.
16488 Record reasons for escaping.
16489 * tree-ssa-structalias.h (is_escape_site): Update prototype.
16490 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
16491 (ssa_ro_call_cache_valid): Ditto.
16492 (clobbered_v_may_defs): Ditto.
16493 (clobbered_vuses): Ditto.
16494 (ro_call_vuses): Ditto.
16495 (clobber_stats): New.
16496 (init_ssa_operands): Zero out clobber stats.
16497 (fini_ssa_operands): Print out clobber stats.
16498 (get_call_expr_operands): Pass callee fndecl to
16499 add_call_read_ops).
16500 (add_call_clobber_ops): Remove use of cache.
16501 Add use of PURE_CONST information.
16502 (add_call_read_ops): Remove use of cache.
16503 Add use of static not_read information.
16505 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
16507 Introduce TLS descriptors for i386 and x86_64.
16508 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
16509 (TARGET_ANY_GNU_TLS): New macro.
16510 (enum tls_dialect): Added TLS_DIALECT_GNU2.
16511 (struct machine_function): Add tls_descriptor_call_expanded_p.
16512 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
16513 (ix86_current_function_calls_tls_descriptor): Likewise.
16514 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
16515 (override_options): Introduce gnu2 tls dialect.
16516 (ix86_frame_pointer_required): Functions containing TLSCALLs are
16518 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
16520 (legitimize_tls_address): Adjust logic for GNU2 TLS.
16521 (ix86_init_machine_status): Initialize new field.
16522 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
16523 (ix86_tls_module_base): New.
16524 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
16525 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
16526 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
16527 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
16528 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
16529 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
16530 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
16531 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
16532 * config/i386/predicates.md (tls_modbase_operand): New.
16533 (tp_or_register_operand): New.
16535 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
16537 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
16538 (look_for_address_of): Ditto.
16539 (ipa_init): Walk the function decls.
16540 (static_execute): Don't set readonly on FUNCTION_DECL's.
16542 2006-01-18 Roger Sayle <roger@eyesopen.com>
16544 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
16545 for shifts where the source and destination registers are different.
16547 2006-01-18 Paul Brook <paul@codesourcery.com>
16549 Merge from csl-arm-branch.
16550 2005-03-14 Julian Brown <julian@codesourcery.com>
16551 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
16552 (aeabi_llsl): Likewise.
16553 (ashrdi3): Likewise.
16554 (aeabi_lasr): Likewise.
16555 (lshrdi3): Likewise.
16556 (aeabi_llsr): Likewise.
16557 2005-03-10 Julian Brown <julian@codesourcery.com>
16558 * config.gcc: Disable shared libgcc for SymbianOS.
16559 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
16561 2006-01-18 DJ Delorie <dj@redhat.com>
16563 * c-pragma.c (handle_pragma_diagnostic): New.
16564 (init_pragma): Register it.
16565 * doc/extend.texi: Document it.
16567 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
16568 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
16569 (diagnostic_context): Add classify_diagnostic[].
16570 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
16571 as errors if they're overridden to DK_WARNING.
16572 (diagnostic_initialize): Initialize classify_diagnostic[].
16573 (diagnostic_set_kind_override): New.
16574 (diagnostic_report_diagnostic): Check for kind changes.
16575 * opts.c (common_handle_option): Take lang_mask. Update callers.
16576 Handle OPT_Werror_.
16577 * common.opt (Werror=): New.
16578 * doc/invoke.texi: Document -Werror=*
16580 2006-01-18 Jeff Law <law@redhat.com>
16582 * tree-vrp.c (test_for_singularity): Correct test for new
16583 min limit. Use operand_equal_p rather than pointer equality
16584 for testing if new min/max values are equal.
16586 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
16587 using range information until after propagation and folding.
16589 2006-01-18 Richard Henderson <rth@redhat.com>
16590 Aldy Hernandez <aldyh@redhat.com>
16591 Jakub Jelinek <jakub@redhat.com>
16592 Diego Novillo <dnovillo@redhat.com>
16594 * omp-low.c: New file.
16595 * c-omp.c: New file.
16597 2006-01-18 Richard Henderson <rth@redhat.com>
16598 Jakub Jelinek <jakub@redhat.com>
16599 Diego Novillo <dnovillo@redhat.com>
16601 * doc/invoke.texi: Document -fopenmp.
16602 * tree-dump.h (debug_function): Declare.
16603 * hooks.c (hook_bool_tree_bool_false): New function.
16604 (hook_tree_tree_null): Remove.
16605 (hook_tree_tree_tree_null): New.
16606 * hooks.h: Update to match.
16607 * tree-pretty-print.c (debug_tree_chain): New.
16608 (print_generic_expr): Handle TDF_CHAIN.
16609 (dump_generic_node): Handle BLOCK.
16610 Do not abort with incomplete SWITCH_EXPRs.
16611 Do not dump body of an OpenMP directive if TDF_SLIM is given.
16612 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
16613 print space after directive name.
16614 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
16615 Handle OMP_MASTER and OMP_ORDERED.
16616 Handle printing of OMP_BODY just in one place, goto
16617 dump_omp_body in the rest of OMP_* nodes that have
16619 Don't handle clause nodes here. Update omp statements to
16620 use dump_omp_clauses.
16621 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
16622 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
16623 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
16624 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
16625 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
16626 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
16627 Adjust output for GOMP_PARALLEL.
16628 (dump_omp_clauses): New.
16629 (print_declaration): Dump DECL_VALUE_EXPR.
16630 (op_symbol_1): Split out of op_symbol.
16631 (dumping_stmts): Remove. Update all users.
16632 * cgraph.c (cgraph_analyze_queue): New.
16633 (cgraph_add_new_function): New.
16634 * cgraph.h (cgraph_analyze_queue): Declare.
16635 (cgraph_add_new_function): Declare.
16636 (cgraph_lower_function): Remove.
16637 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
16638 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
16639 and TYPE_P nodes in its default clause.
16640 (empty_body_p): New.
16641 (tree_range_check_failed): New.
16642 (build5_stat): New.
16643 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
16644 OMP_CLAUSE_REDUCTION_MERGE,
16645 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
16646 OMP_CLAUSE_PRIVATE_DEBUG,
16647 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
16648 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
16649 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
16650 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
16651 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
16652 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
16653 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
16654 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
16655 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
16656 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
16657 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
16658 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
16659 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
16660 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
16661 (TREE_RANGE_CHECK): New.
16662 (empty_body_p): Declare.
16663 (enum omp_clause_default_kind): New.
16664 (build_string_literal): Declare.
16665 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
16666 (build5_stat, build5): Declare.
16667 * tree-pass.h (TDF_CHAIN): Define.
16668 * tree-pass.h (PROP_gimple_lomp): Define.
16669 (pass_lower_omp): Declare.
16670 * diagnostic.h (debug_tree_chain): Declare.
16671 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
16673 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
16674 * builtins.c (build_string_literal): Make extern.
16675 * gcc.c (include_spec_function): New.
16676 (static_spec_functions): Add it.
16677 (main): Move load of libgomp.spec ...
16678 (LINK_COMMAND_SPEC): ... here.
16679 (link_gomp_spec): New.
16680 (static_specs): Include it.
16681 (LINK_COMMAND_SPEC): Add link_gomp.
16682 (GOMP_SELF_SPECS): New.
16683 (driver_self_specs): Include it.
16684 (switch_matches): Don't mark inline.
16685 (main): Load libgomp.spec.
16686 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
16687 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
16688 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
16689 * tree-gimple.h (enum omp_parallel): Declare.
16690 (determine_parallel_type): Declare.
16691 (omp_firstprivatize_variable): Declare.
16692 (omp_reduction_init): Declare.
16693 (diagnose_omp_structured_block_errors): Declare.
16694 (struct walk_stmt_info): Add want_return_expr.
16695 (struct walk_stmt_info): Add want_bind_expr, want_locations.
16696 (find_omp_clause): Declare.
16697 (insert_field_into_struct): Declare.
16698 (struct walk_stmt_info): Move from tree-nested.c
16699 (walk_stmts): Declare.
16700 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
16702 * cgraphunit.c (cgraph_lower_function): Make static.
16703 (cgraph_finalize_pending_functions): New.
16704 (cgraph_finalize_function): Call it.
16705 (cgraph_finalize_compilation_unit): Likewise.
16706 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
16707 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
16708 (BT_FN_UINT_UINT): New.
16709 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
16710 DEF_FUNCTION_TYPE_VAR_4): Document.
16711 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16712 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16713 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16714 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16715 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16716 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16717 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16718 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16719 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16720 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16721 into separate files.
16722 (DEF_GOMP_BUILTIN): New.
16723 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16724 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16725 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16726 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16727 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16728 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16729 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16730 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16731 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16732 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16733 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16734 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16735 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16736 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16737 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16738 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16739 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16740 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16741 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16742 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16743 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16744 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16745 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16746 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16747 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16748 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16749 * sync-builtins.def: New file, moved from builtins.def.
16750 * omp-builtins.def: New file, moved from builtins.def.
16751 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16752 * gimple-low.c (lower_function_body): Clear data.
16753 (lower_stmt): Do not handle COMPOUND_EXPR.
16754 Remove call to print_node_brief.
16755 * c-tree.h (c_finish_omp_clauses): New prototype.
16756 (C_DECL_THREADPRIVATE_P): Define.
16757 (lookup_name_no_remap, c_omp_remap_private): Remove
16758 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16759 (check_for_loop_decls): Update decl.
16760 (lookup_name_no_remap, c_omp_remap_private): Declare.
16761 (build_indirect_ref, build_modify_expr, pushdecl,
16762 pushdecl_top_level): Move to c-common.h.
16763 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16764 before the switch, but just in the 2 places that need it.
16765 * c-decl.c (diagnose_mismatched_decls): Do not check for
16766 mismatched thread-local attributes when OLDDECL is marked
16767 threadprivate and NEWDECL has no thread-local attributes.
16768 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16769 (c_gimple_diagnostics_recursively): Rename from
16770 c_warn_unused_result_recursively. Invoke
16771 diagnose_omp_structured_block_errors.
16772 (check_for_loop_decls): Return a singular decl found.
16773 * langhooks.c (lhd_omp_predetermined_sharing): Return
16774 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16775 (lhd_omp_firstprivatize_type_sizes): New.
16776 (lhd_omp_assignment): New.
16777 (lhd_omp_predetermined_sharing): New.
16778 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16779 (struct lang_hooks_for_types): Add
16780 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16781 omp_predetermined_sharing, omp_disregard_value_expr,
16782 omp_private_debug_clause, omp_clause_default_ctor,
16783 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16784 (c_finish_omp_clauses): New.
16785 (c_finish_bc_stmt): Diagnose break within omp for.
16786 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16787 (build_unary_op): Return error_mark after reporting
16789 (build_modify_expr): Likewise.
16790 * gimplify.c: Include optabs.h and pointer-set.h.
16791 (enum gimplify_omp_var_data): Declare.
16792 (struct gimplify_omp_ctx): Declare.
16793 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16795 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16796 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16797 (splay_tree_compare_decl_uid): New.
16798 (new_omp_context): New.
16799 (delete_omp_context): New.
16800 (gimple_add_tmp_var): Call omp_add_variable.
16801 (gimplify_bind_expr): Likewise.
16802 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16803 true, disregard DECL_VALUE_EXPR on the decl if any.
16804 (gimplify_expr_in_ctx): New.
16805 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16806 omp_add_variable, omp_notice_variable, omp_is_private
16807 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16808 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16809 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16810 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16811 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16812 gimplify_omp_atomic): New.
16813 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16814 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16815 OMP_CRITICAL and OMP_ATOMIC.
16816 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16817 * c-pragma.h (enum pragma_kind): Add
16818 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16819 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16820 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16821 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16822 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16823 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16824 PRAGMA_OMP_THREADPRIVATE.
16825 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16826 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16827 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16828 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16829 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16830 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16831 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16832 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16833 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16834 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16835 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16836 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16837 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16839 (struct nesting_info): Add field_map,
16840 suppress_expansion, debug_var_chain.
16841 (create_nesting_tree): Initialize them.
16842 (lookup_field_for_decl): Use field_map.
16843 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16844 (convert_local_omp_clauses): New.
16845 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16846 (walk_body): Split out of walk_function.
16847 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16848 (convert_nonlocal_reference): Handle omp statements.
16849 (convert_local_reference): Likewise.
16850 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16851 (unnest_nesting_tree): New.
16852 (lower_nested_functions): Call it.
16853 (insert_field_into_struct): Make extern.
16854 (struct walk_stmt_info): Move to tree-gimple.h.
16855 (walk_stmts): Make extern.
16856 * omp-builtins.def: New file.
16857 * tree-iterator.c (expr_only): Clarify comment.
16858 * c-common.h (pushdecl_top_level, pushdecl,
16859 build_modify_expr, build_indirect_ref,
16860 c_finish_omp_master, c_finish_omp_critical,
16861 c_finish_omp_ordered, c_finish_omp_barrier,
16862 c_finish_omp_atomic, c_finish_omp_flush,
16863 c_finish_omp_for, c_split_parallel_clauses,
16864 omp_clause_default_kind, c_omp_sharing_predetermined,
16865 c_omp_remap_decl): Declare.
16866 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16867 (OBJS-common): Add omp-low.o.
16868 (c-omp.o, omp-low.o): Add.
16869 (gimplify.o): Add dependency on $(OPTABS_H).
16870 (GTFILES): Add omp-low.c.
16871 (gt-stringpool.h): Add.
16872 * tree-cfg.c (set_bb_for_stmt): Do not update the
16873 block-to-labels map if we are currently expanding to RTL.
16874 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16876 Handle IDENTIFIER_NODE.
16877 (tree_verify_flow_info): Do not ICE when emitting error
16878 messages about invalid labels.
16879 (dump_function_to_file): Reset CFUN before emitting the body
16881 (debug_function): New.
16882 * passes.c (init_optimization_passes): Schedule
16884 * langhooks-def.h (lhd_omp_predetermined_sharing,
16885 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16887 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16888 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16889 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16890 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16891 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16892 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16893 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16894 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16895 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16896 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16897 (LANG_HOOK_DECLS): Use them.
16899 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16900 Richard Henderson <rth@redhat.com>
16901 Jakub Jelinek <jakub@redhat.com>
16902 Diego Novillo <dnovillo@redhat.com>
16904 * c-parser.c (pragma_omp_clause): Define.
16905 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16906 (c_parser_compound_statement): Likewise.
16907 (c_parser_statement): Likewise.
16908 (c_parser_pragma): Handle omp pragmas.
16909 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16910 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16911 (c_parser_omp_clause_name, check_no_duplicate_clause,
16912 c_parser_omp_variable_list,
16913 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16914 c_parser_omp_clause_copyprivate,
16915 c_parser_omp_clause_default,
16916 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16917 c_parser_omp_clause_lastprivate,
16918 c_parser_omp_clause_nowait,
16919 c_parser_omp_clause_num_threads,
16920 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16921 c_parser_omp_clause_reduction,
16922 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16923 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16924 c_parser_omp_atomic, c_parser_omp_barrier,
16925 c_parser_omp_critical, c_parser_omp_flush,
16926 c_parser_omp_for_loop, c_parser_omp_for,
16927 c_parser_omp_master, c_parser_omp_ordered,
16928 c_parser_omp_sections_scope, c_parser_omp_sections,
16929 c_parser_omp_parallel, c_parser_omp_single,
16930 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16931 * c-pragma.c (init_pragma): Do omp pragma registration here.
16932 * c.opt (fopenmp): New flag.
16934 2006-01-18 Eric Christopher <echristo@apple.com>
16936 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16937 * config/darwin.h (GOMP_SELF_SPECS): Define.
16939 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16941 * rtl.h: Remove the prototype for reg_alloc.
16943 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16946 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16947 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16948 sjlj and dwarf2 exception handling.
16949 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16950 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16951 * pa/pa.c (function_value): Treat complex and vector types as
16953 (function_arg): Likewise. Only pass scalar floats in the floating
16954 point argument registers.
16955 * pa/t-slibgcc-dwarf-ver: New file.
16956 * pa/t-slibgcc-sjlj-ver: New file.
16957 * pa/t-slibgcc-elf-ver: Delete file.
16959 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16961 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16962 unlikely_test_section_p test.
16964 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16966 * mode-switching.c (optimize_mode_switching): Make it static.
16967 * basic-block.h: Remove the prototype for
16968 optimize_mode_switching.
16970 * modulo-sched.c (sms_schedule): Make it static.
16971 * rtl.h: Remove the prototype for sms_schedule.
16973 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16974 * rtl.h: Remove the prototype for gcse_after_reload_main.
16976 * reg-stack.c (reg_to_stack): Make it static.
16977 * rtl.h: Remove the prototype for reg_to_stack.
16979 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16981 * rtl.h: Remove the prototypes for regrename_optimize and
16982 copyprop_hardreg_forward.
16984 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16986 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16987 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16988 Test against the appropriate null constant for the mode.
16989 If 'fixup_overlap' is true, swap the operands if they overlap.
16990 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16991 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16992 alpha_split_tmode_pair and adjust for above change.
16993 * config/alpha/alpha.md (movtf_internal): Adjust call to
16994 alpha_split_tfmode_pair and rely on it to swap the operands.
16995 (movti_internal): New insn and post-reload splitter.
16996 (movti): New expander.
16998 2006-01-18 Philippe De Muyter <phdm@macqel.be>
17000 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
17003 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17005 * rtlanal.c (global_reg_mentioned_p_1,
17006 global_reg_mentioned_p): Remove.
17007 * rtl.h: Remove the prototype for global_reg_mentioned_p.
17009 * flow.c (initialize_uninitialized_subregs): Make it static.
17010 * rtl.h: Remove the prototype for
17011 initialize_uninitialized_subregs.
17013 * function.c (instantiate_virtual_regs): Make it static.
17014 * function.h: Remove the prototype for
17015 instantiate_virtual_regs.
17017 * regmove.c (regmove_optimize, combine_stack_adjustments):
17019 * rtl.h: Remove the prototypes for regmove_optimize and
17020 combine_stack_adjustments.
17022 2006-01-17 Roger Sayle <roger@eyesopen.com>
17024 * config/i386/i386.c (COSTS_N_BYTES): New macro.
17025 (size_cost): Encode costs in bytes so that a reg-reg addition is
17026 equivalent to COSTS_N_INSNS(1).
17027 (override_options): Use the size_cost.branch_cost as the default
17028 ix86_branch_cost when optimizing for size.
17030 2006-01-18 Ben Elliston <bje@au.ibm.com>
17032 * Makefile.in (D32PBIT_FUNCS): New.
17033 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
17034 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
17035 D64PBIT_FUNCS and D128PBIT_FUNCS.
17036 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
17037 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
17039 (decnumber_dep): Define.
17040 * doc/libgcc.texi (Decimal float library routines): New node.
17041 * config/dfp-bit.h, config/dfp-bit.c: New files.
17043 2006-01-18 Ben Elliston <bje@au.ibm.com>
17045 * expr.c (emit_move_change_mode): Always adjust addresses, not
17046 just during reload. Copy replacements only during reload.
17047 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
17048 emit_move_via_integer.
17050 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
17052 * Makefile.in (check-%, check-consistency): Use $${srcdir}
17053 instead of $(srcdir) and ${srcdir}.
17055 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
17058 PR middle-end/11135
17059 * arm.h (struct machine_function): Add pic_reg.
17060 * arm.c (arm_pic_register): Make unsigned.
17061 (arm_override_options): Only set arm_pic_register if
17062 TARGET_SINGLE_PIC_BASE.
17063 (use_return_insn): Only test for a pic register if it is fixed.
17064 (arm_compute_save_reg0_reg12_mask): Likewise.
17065 (thumb_compute_save_reg_mask): Likewise.
17066 (legitimate_pic_operand): Factor out some known invariants.
17067 (legitimize_pic_address): If we don't have a fixed pic register,
17068 then set up a pseudo in the function entry sequence. Handle the
17069 pic base being in a pseudo.
17070 (arm_load_pic_register): Handle the pic register being in a pseudo.
17071 (arm_expand_prologue): Only set up the pic register if it is fixed.
17072 (thumb_expand_prologue): Likewise.
17073 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
17074 (pic_load_addr_based_insn): Likewise.
17075 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
17078 2006-01-18 Ben Elliston <bje@au.ibm.com>
17080 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
17081 decimal float modes for all floating point registers.
17083 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
17084 match_code "mem" with match_test "macho_lo_sum_memory_operand".
17086 2006-01-17 Jakub Jelinek <jakub@redhat.com>
17089 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
17090 even when the pointer is not NULL.
17092 2006-01-16 Ian Lance Taylor <ian@airs.com>
17094 * common.opt (ftoplevel-reorder): New option.
17095 * cgraph.c (cgraph_asm_nodes): New global variable.
17096 (cgraph_asm_last_node): New static variable.
17097 (cgraph_order): New global variable.
17098 (cgraph_create_node): Set new order field.
17099 (cgraph_varpool_node): Likewise.
17100 (decide_is_variable_needed): Return true if not
17101 flag_toplevel_reorder.
17102 (cgraph_add_asm_node): New function.
17103 * cgraph.h (struct cgraph_node): Add order field.
17104 (struct cgraph_varpool_node): Add order field.
17105 (struct cgraph_asm_node): Define.
17106 (cgraph_asm_nodes, cgraph_order): Declare.
17107 (cgraph_add_asm_node): Declare.
17108 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
17110 (cgraph_varpool_assemble_pending_decls): Call it.
17111 (cgraph_output_pending_asms): New static function.
17112 (cgraph_finalize_compilation_unit): Call it.
17113 (struct cgraph_order_sort): Define.
17114 (cgraph_output_in_order): New static function.
17115 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
17116 !flag_toplevel_reorder case.
17117 * c-parser.c: Include "cgraph.h".
17118 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
17120 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
17121 than -fno-unit-at-a-time.
17122 * doc/invoke.texi (Option Summary): Mention
17123 -fno-toplevel-reorder.
17124 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
17125 -funit-at-a-time documentation.
17127 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
17128 Kazu Hirata <kazu@codesourcery.com>
17130 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
17132 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
17134 * Makefile.in (FUNCTION_H): New. Use it instead of
17135 function.h throughout the file.
17136 * function.h: Include tree.h.
17138 2006-01-17 Ben Elliston <bje@au.ibm.com>
17140 * recog.c: Separate some functions with whitespace.
17142 2006-01-16 Richard Henderson <rth@redhat.com>
17144 Merge from gomp branch:
17145 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
17146 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
17147 and rename from struct inline_data. Rename callee* to dst*;
17148 caller* to src*; add copy_decl hook, transform_call_graph_edges,
17149 transform_new_cfg, transform_return_to_modify, and
17150 transform_lang_insert_block flags; remove cloning_p, versioning_p,
17152 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
17153 (copy_decl_for_dup): Remove.
17154 * tree-inline.c (struct inline_data): Move to header.
17155 (insert_decl_map): Export.
17156 (remap_decl): Update for member name changes. Use copy_decl hook.
17157 Allow for replacement to be a non-decl. Remove dead code.
17158 (remap_type_1): Check for existing mapping.
17159 (remap_type): Export.
17160 (remap_decls): Update for member name changes.
17161 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
17162 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
17163 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
17164 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
17165 (tree_function_versioning, build_duplicate_type): Likewise.
17166 (copy_body_r): Likewise. Export.
17167 (copy_decl_for_dup): Split into ...
17168 (copy_decl_for_dup_finish, copy_decl_to_var,
17169 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
17170 (replace_ref_tree, inlining_p): Remove.
17172 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17174 * ifcvt.c (if_convert): Make it static.
17175 * rtl.h: Remove the prototype for if_convert.
17177 * local-alloc.c (local_alloc): Make it static.
17178 * rtl.h: Remove the prototype for local_alloc.
17180 * loop.c (loop_optimize): Make it static.
17181 * cfgloop.h: Remove the prototype for loop_optimize.
17184 2006-01-16 DJ Delorie <dj@redhat.com>
17186 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
17189 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17191 * pa.md: Disparage copies between general and floating-point registers
17192 in 32-bit move patterns.
17194 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
17197 * Makefile.in (check-%): Depend on site.exp instead of
17198 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
17201 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17203 * global.c (global_alloc): Make it static.
17204 * rtl.h: Remove the prototype for global_alloc.
17206 2006-01-16 Richard Guenther <rguenther@suse.de>
17208 * tree-ssa-alias.c (struct used_part): Add write_only field.
17209 (get_or_create_used_part_for): Initialize it to true.
17210 (create_overlap_variables_for): Don't create structure variables
17211 for structures that only are written to.
17212 (find_used_portions): Handle MODIFY_EXPR to track whether a
17213 structure is only written to.
17215 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17217 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
17219 * basic-block.h: Remove the prototype for
17220 partition_hot_cold_basic_blocks.
17222 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
17224 * cppspec.c (lang_specific_spec_functions): Remove.
17225 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
17226 * gcc.h (lang_specific_spec_functions): Remove.
17227 * gccspec.c (lang_specific_spec_functions): Remove.
17229 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
17231 * combine.c (record_value_for_reg): Invalidate registers
17233 (record_dead_and_set_regs_1): Likewise, by passing them to
17234 record_value_for_reg.
17235 (record_dead_and_set_regs): Invalidate stores made by a
17236 call. We do not combine across a call, but we still
17237 relied on equivalences.
17239 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17241 * tree-vrp.c (extract_range_from_binary_expr): Cope with
17242 vrp_int_const_binop returning non-constant nodes.
17244 2006-01-16 Paul Brook <paul@codesourcery.com>
17246 * config/m68k/m68k.c (output_move_const_into_data_reg):
17247 Output correct mnemonic for mvz and mvs.
17249 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
17251 * rtl-factoring.c: Add sequence abstraction algorithm.
17252 * cfgcleanup.c (outgoing_edges_match): Extra checks.
17253 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
17255 (block_has_preserve_label): New function.
17256 * common.opt: Register new pass.
17257 * Makefile.in: Ditto.
17259 * timevar.def: Ditto.
17260 * tree-pass.h: Ditto.
17261 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
17262 * rtl.h (make_jump_insn_raw): Add forward decl.
17263 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
17265 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17266 Roger Sayle <roger@eyesopen.com>
17268 * fold-const.c (fold_minmax): New static function.
17269 (fold_binary) <MIN_EXPR>: Call it.
17270 <MAX_EXPR>: Likewise.
17271 * stor-layout.c (place_field): Use DECL_SIZE consistently
17272 in the computation of the new record size.
17274 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17276 * cse.c (cse_condition_code_reg): Make it static.
17277 * rtl.h: Remove the prototype for cse_condition_code_reg.
17279 * combine.c (combine_instructions): Make it static.
17280 * rtl.h: Remove the prototype for combine_instructions.
17282 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17285 * tree.c (get_file_function_name_long): Concatenate the first global
17286 object name with a string derived from the input filename of the object
17289 2006-01-16 Ben Elliston <bje@au.ibm.com>
17291 * config/i386/winnt-stubs.c: Update FSF address.
17292 * config/xtensa/ieee754-df.S: Ditto.
17293 * config/xtensa/ieee754-sf.S: Ditto.
17295 2006-01-14 Ian Lance Taylor <ian@airs.com>
17297 * ifcvt.c (noce_init_if_info): New static function, broken out of
17298 noce_process_if_block.
17299 (noce_process_if_block): Call noce_init_if_info.
17300 (check_cond_move_block): New static function.
17301 (cond_move_process_if_block): New static function.
17302 (process_if_block): Call cond_move_process_if_block.
17304 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
17306 * cselib.c (hash_table): Rename to cselib_hash_table.
17307 (cselib_clear_table, discard_useless_values,
17308 remove_useless_values, cselib_lookup_mem, cselib_lookup,
17309 cselib_init, cselib_finish): Adjust uses of hash_table.
17311 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
17313 PR tree-optimization/25485
17314 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
17315 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
17316 is known to be false and true, respectively.
17318 2006-01-14 Richard Guenther <rguenther@suse.de>
17320 PR tree-optimization/22548
17321 PR tree-optimization/22555
17322 PR tree-optimization/22501
17323 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
17324 * params.def (salias-max-array-elements): New parameter.
17325 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
17326 * doc/invoke.texi (salias-max-array-elements): Document.
17327 * tree-flow-inline.h (var_can_have_subvars): We also handle
17329 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
17331 * tree-ssa-structalias.c (params.h): Include.
17332 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
17333 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
17334 (get_constraint_for): For ADDR_EXPR operating on something
17335 containing an ARRAY_REF, add all subvars to the solution.
17336 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
17337 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
17338 for creating MUST_DEFs.
17339 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
17341 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17343 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
17345 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
17346 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
17347 number_of_iterations_le): New functions.
17348 (number_of_iterations_special): Removed.
17349 (number_of_iterations_exit): Do not use number_of_iterations_special.
17350 * tree.c (unsigned_type_for): Always return integer type.
17352 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
17353 Richard Guenther <rguenther@suse.de>
17355 PR rtl-optimization/24257
17356 * gcse.c (find_moveable_store): Only consider a store movable
17357 when the SET_SRC of the insn can be assigned to a register.
17359 2006-01-14 Ian Lance Taylor <ian@airs.com>
17361 * tree.c (tree_not_class_check_failed): New function.
17362 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
17363 (tree_not_class_check_failed): Declare.
17365 2006-01-13 Ian Lance Taylor <ian@airs.com>
17367 * reload1.c (do_output_reload): Add assertion rejecting a
17370 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
17372 * combine.c (struct reg_stat): Add new fields truncation_label and
17374 (record_value_for_reg): Reset truncated_to_mode.
17375 (record_truncated_value): New function.
17376 (check_promoted_subreg): Call it. Rename to check_conversions.
17377 (combine_instructions): Rename check_promoted_subreg to
17379 (reg_truncated_to_mode): New function.
17380 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
17381 (gen_lowpart_or_truncate): New function.
17382 (force_to_mode): Use it instead of gen_lowpart.
17384 2006-01-13 Diego Novillo <dnovillo@redhat.com>
17386 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
17387 VAR is a tag, not its type tag.
17389 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
17391 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
17392 alternatives to match style of other entries.
17393 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
17395 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
17397 PR tree-optimization/25771
17398 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
17401 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
17404 * tree-inline.c (declare_return_variable): If the return variable
17405 was marked as a non gimple complex, set the return slot variable
17406 to be a non gimple comple variable.
17408 2006-01-13 Richard Guenther <rguenther@suse.de>
17410 * builtins.c (expand_builtin_sincos): New function.
17411 (expand_builtin_mathfn_3): Remove dead code, sin and cos
17413 (expand_builtin): Expand sincos using expand_builtin_sincos.
17415 2006-01-12 DJ Delorie <dj@redhat.com>
17417 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
17418 shift counts, separate SI shifts for m32c vs m16c, pass shift type
17419 so that constant shifts can be split.
17420 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
17421 (m32c_valid_pointer_mode): Make static.
17422 (shift_gen_func_for): New.
17423 (m32c_prepare_shift): Use it. Split large const shifts into
17425 * config/m32c/predicates.md (shiftcount_operand): Allow more
17427 (longshiftcount_operand): New.
17428 * doc/md.texi (Machine Constraints): Document In6.
17430 2006-01-13 Ben Elliston <bje@au.ibm.com>
17432 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
17433 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
17436 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
17438 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
17439 to try to avoid clobbering pieces of structures when we know
17440 something about the whole structure.
17441 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
17443 2006-01-13 Ben Elliston <bje@au.ibm.com>
17445 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
17446 return in memory, as this is no limitation is no longer present.
17448 2006-01-12 DJ Delorie <dj@redhat.com>
17450 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
17451 mova with fb, and for fb+0 -> An.
17453 * config/m32c/mov.md (peephole2): Fix enabling logic.
17455 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
17456 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
17457 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
17458 FINI_ARRAY_SECTION_ASM_OP): Define.
17460 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
17462 (m32c_legitimize_reload_address): New logic to reload FB to An.
17463 (m32c_output_reg_push): Add newline.
17464 (m32c_output_reg_pop): Likewise.
17466 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
17468 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
17470 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
17472 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
17474 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17476 * config/sh/predicates.md (sh_rep_vec): Add parallel to
17479 2006-01-11 Ben Elliston <bje@au.ibm.com>
17481 * rtlanal.c (find_reg_note): Assert insn is not null.
17483 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17485 * df-scan.c (df_hard_reg_init): Move declaration of i outside
17488 2006-01-11 Jeff Law <law@redhat.com>
17490 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
17492 (mark_threaded_blocks, register_jump_thread): New functions.
17493 (thread_through_all_blocks): Remove unwanted argument. No
17494 longer rely on e->aux to communicate thread target info.
17495 Call mark_threaded_blocks. Release the threaded_blocks
17496 bitmap and threaded_edges vector when complete.
17497 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
17498 (threaded_blocks): Remove.
17499 (tree_ssa_dominator_optimize): Remove initialization and
17500 finalization of threaded_blocks. Simplify call to
17501 thread_through_all_blocks.
17502 (thread_across_edge): Call register_jump_thread rather than
17503 storing thread information into e->aux.
17504 (free_all_edge_infos): Simplify now that e->aux is no longer
17505 used to communicate with thread_through_all_blocks.
17506 * tree-flow.h (thread_through_all_blocks): Update prototype.
17507 (register_jump_thread): Prototype.
17509 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17511 * df-core.c (df_compact_blocks, df_bb_replace): Use
17512 SET_BASIC_BLOCK instead of BASIC_BLOCK.
17514 2006-01-11 Richard Guenther <rguenther@suse.de>
17516 PR tree-optimization/25734
17517 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
17518 stop propagation after successful propagation to the LHS.
17520 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17522 * basic-block.h (control_flow_graph): Change the type of
17523 x_basic_block_info to VEC(basic_block,gc) *.
17524 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
17526 (SET_BASIC_BLOCK): New.
17527 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
17528 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
17529 * cfgbuild.c (find_basic_blocks): Likewise.
17530 * cfglayout.c (fixup_reorder_chain): Likewise.
17531 * cfgrtl.c (create_basic_block_structure,
17532 rtl_create_basic_block): Likewise.
17533 * ifcvt.c (find_if_case_1): Likewise.
17534 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
17537 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17539 * Makefile.in: Removed rotted odf.c entry.
17541 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
17544 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
17545 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
17546 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
17547 output pattern modifier, not %e.
17548 * config/cris/cris.c (cris_op_str): Update comment about pattern
17550 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
17551 before falling through into...
17552 <case 'E'>: Redefined from old 'e' case.
17554 2006-01-11 Jan Hubicka <jh@suse.cz>
17557 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
17559 2006-01-11 Jan Hubicka <jh@suse.cz>
17561 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
17562 * i386.c (x86_decompose_lea): Kill.
17563 (ix86_rtx_costs): Kill.
17565 2006-01-11 Jan Hubicka <jh@suse.cz>
17567 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
17568 * cgraph.h (cgraph_node): Add inline_decl.
17569 (cgraph_insert_node_to_hashtable): Declare.
17570 (save_inline_function_body): Declare.
17571 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
17573 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
17574 (cgraph_function_versioning): Update call of tree_function_versioning.
17575 (save_inline_function_body): New function.
17576 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
17577 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
17578 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
17579 (cgraph_default_inline_p): Likewise.
17580 (cgraph_decide_inlining_incrementally): Likewise.
17581 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
17582 (copy_bb): Kill saving; do updating of clones.
17583 (copy_cfg_body): Kill saving.
17584 (initialize_inlined-parameters): Likewise.
17585 (expand_call_inline): Likewise.
17587 (tree_function_versioning): New parameter "update_clones".
17588 (inlining_p): Kill saving.
17589 * tree-inline.h (tree_function_versioning): Update prototype.
17590 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
17593 2006-01-11 Ian Lance Taylor <ian@airs.com>
17595 * combine.c (struct undo): Remove is_int. Enumify types of undos.
17596 Allow undoing set of machine mode.
17597 (do_SUBST): Use enums instead of is_int.
17598 (do_SUBST_MODE): New function.
17599 (SUBST_MODE): New macro.
17600 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
17601 reg and trying to replace reg_regno_rtx with a new register.
17602 (undo_all): Use new enums, handle undoing a PUT_MODE change.
17603 (simplify_set): Use SUBST_MODE.
17604 (distribute_notes): Remove code that tried to update reg notes
17605 for regno_reg_rtx changes.
17607 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
17609 PR tree-optimization/23109
17610 PR tree-optimization/23948
17611 PR tree-optimization/24123
17613 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
17614 * tree-cfg.c (single_noncomplex_succ): New.
17615 * tree-flow.h (single_noncomplex_succ): Declare it.
17616 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17617 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17618 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
17619 insert_bb, register_division_in, insert_reciprocals,
17620 replace_reciprocal, free_bb): New.
17621 (execute_cse_reciprocals_1): Rewritten.
17622 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
17623 Do not commit any edge insertion. Always compute dominators and
17624 create the allocation pool.
17625 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
17626 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
17627 * targhooks.c (default_min_divistions_for_recip_mul): New.
17628 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
17629 * passes.c (init_optimization_passes): Run recip after tree loop
17631 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
17633 2006-01-11 Danny Berlin <dberlin@dberlin.org>
17634 Kenneth Zadeck <zadeck@naturalbridge.com>
17636 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
17637 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
17638 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
17639 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
17640 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
17641 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
17642 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
17643 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
17644 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
17645 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
17646 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
17647 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
17648 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
17649 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
17650 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
17651 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
17652 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
17653 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
17654 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
17655 DF_SCAN_POST_ALLOC): New macros.
17656 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
17657 df_free_bb_function, df_local_compute_function, df_init_function,
17658 df_dataflow_function, df_confluence_function_0,
17659 df_confluence_function_n, df_transfer_function,
17660 df_finalizer_function, df_free_function, df_dump_problem_function,
17661 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
17662 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
17663 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
17664 df_urec_bb_info, ) New types.
17665 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
17667 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
17668 df_analyze_simple_change_some_blocks,
17669 df_analyze_simple_change_one_block, df_compact_blocks,
17670 df_bb_replace, df_bb_regno_last_use_find,
17671 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
17672 df_insn_regno_def_p, df_find_def, df_find_use,
17673 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
17674 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
17675 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
17676 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
17677 debug_df_chain, df_get_dependent_problem, df_chain_create,
17678 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
17679 df_grow_bb_info, df_chain_dump, df_print_bb_index,
17680 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
17681 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
17682 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
17683 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
17684 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
17685 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
17686 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
17687 df_ref_remove, df_insn_refs_delete, df_refs_delete,
17688 df_reorganize_refs, df_set_state, df_hard_reg_init,
17689 df_read_modify_subreg_p) New public functions.
17690 * df-core.c: The core dataflow solver and glue routines for rtl
17692 (df_init, df_add_problem, df_set_blocks, df_finish,
17693 df_hybrid_search_forward, df_hybrid_search_backward,
17694 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
17695 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
17696 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
17697 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
17698 df_reg_defined, df_find_use, df_reg_used, df_dump,
17699 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
17700 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
17701 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
17702 debug_df_useno, reset_df_after_reload): New functions.
17703 * df-scan.c: The scanning fuctions, once in df.c, completely
17704 rewritten so that they now fully model the functionality of
17705 register usage at the backend.
17706 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
17707 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
17708 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
17709 df_grow_insn_info, df_rescan_blocks, df_ref_create,
17710 df_get_artificial_defs, df_get_artificial_uses,
17711 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17712 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17713 df_refs_delete, df_reorganize_refs, df_set_state,
17714 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17715 df_def_record_1, df_defs_record, df_uses_record,
17716 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17717 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17718 df_record_exit_block_uses, df_hard_reg_init): New functions.
17720 * df-problems.c: Seven concrete dataflow problems that use the
17721 scanning in df-scan.c and are solved by the engine in df-core.c.
17722 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17723 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17724 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17725 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17726 df_ru_free_bb_info, df_ru_alloc,
17727 df_ru_bb_local_compute_process_def,
17728 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17729 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17730 df_ru_transfer_function, df_ru_free, df_ru_dump,
17731 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17732 df_rd_free_bb_info, df_rd_alloc,
17733 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17734 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17735 df_rd_transfer_function, df_rd_free, df_rd_dump,
17736 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17737 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17738 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17739 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17740 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17741 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17742 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17743 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17744 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17745 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17746 df_urec_mark_reg_change, df_urec_check_earlyclobber,
17747 df_urec_mark_reg_use_for_earlyclobber,
17748 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17749 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17750 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17751 df_urec_dump, df_urec_add_problem, df_chain_alloc,
17752 df_chain_create_bb_process_use, df_chain_create_bb,
17753 df_chain_finalize, df_chain_free, df_chains_dump,
17754 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17755 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17756 df_reg_lifetime): New functions.
17757 * df.c: Deleted file.
17758 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17759 consistent with new df api.
17760 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17761 rest_of_handle_sms): Ditto.
17762 * web.c (unionfind_union, union_defs, entry_register, web_main):
17764 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17765 invariant_expr_equal_p, find_defs, check_dependencies,
17766 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17767 free_inv_motion_data, move_loop_invariants): Ditto.
17768 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17769 Update dependencies.
17770 (odf.c): Added defective entry that was deleted later in day.
17771 * sched-deps.c (sched_analyze_1): Ditto.
17773 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17775 * tree-ssa-operands.c (get_expr_operands): Record addressable
17776 variables directly. Do not call add_stmt_operands for CONST_DECLs
17778 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17779 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17781 2006-01-11 Ben Elliston <bje@au.ibm.com>
17783 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17784 function returns true in the positive case.
17786 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17789 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17790 for SI, DI, SF and DF modes. Add alternatives to copy between
17791 general and floating point registers to the 32-bit patterns.
17792 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17793 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17794 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17795 generating 64-bit code.
17796 * config/pa/pa.c (output_move_double): Handle copies between general
17797 and floating registers.
17799 2006-01-10 Stuart Hastings <stuart@apple.com>
17801 * config/i386/i386.md (set_got): Update.
17802 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17803 (builtin_setjmp_receiver): Mach-O support.
17804 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17805 (GOT_SYMBOL_NAME): Define.
17806 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17807 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17808 * config/i386/i386.c (override_options): Revise for Darwin.
17809 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17810 support. (darwin_x86_file_end): New. (output_set_got): Add label
17811 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17812 * config/i386/i386-protos.h (output_set_got): Likewise.
17813 * config/darwin.c (machopic_legitimize_pic_address): Update
17816 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17818 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17819 when MODE isn't BLKmode.
17821 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17823 PR rtl-optimization/25367
17824 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17826 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17829 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17830 for a negative bound.
17832 2006-01-10 Richard Guenther <rguenther@suse.de>
17834 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17835 Never override with anything constraint.
17837 2006-01-10 Jan Beulich <jbeulich@novell.com>
17839 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17840 256 bits when optimize_size.
17842 2006-01-10 Jan Beulich <jbeulich@novell.com>
17844 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17846 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17847 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17850 2006-01-10 Ben Elliston <bje@au.ibm.com>
17852 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17854 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17855 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17856 (USE_FP_FOR_ARG): Reject decimal float modes.
17857 (function_arg_advance): Likewise.
17858 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17859 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17860 point types in AltiVec vectors.
17861 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17862 (rs6000_libcall_value): Likewise.
17864 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17866 * config/xtensa/ieee754-df.S: New file.
17867 * config/xtensa/ieee754-sf.S: New file.
17868 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17869 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17870 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17872 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17874 * config/sh/predicates.md (binary_float_operator,
17875 binary_logical_operator, commutative_float_operator,
17876 equality_comparison_operator, greater_comparison_operator,
17877 less_comparison_operator, logical_operator,
17878 noncommutative_float_operator, shift_operator,
17879 symbol_ref_operand, unary_float_operator): Remove redundant
17882 2006-01-09 Jeff Law <law@redhat.com>
17884 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17885 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17886 now unused arguments. Callers updated.
17887 (eliminate_redundant_computations): Remove now unused arguments,
17889 (local_fold): Remove, no longer used.
17890 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17892 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17893 (simplify_cond): New function.
17894 (forward_propagate_into_cond): Call simplify_cond.
17896 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17898 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17899 (*vec_extractv2di_1_sse): New.
17901 2006-01-09 Ben Elliston <bje@au.ibm.com>
17903 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17905 2006-01-08 Richard Guenther <rguenther@suse.de>
17907 * tree-ssa-structalias.c (get_constraint_for): Remove
17908 anyoffset argument.
17909 (get_constraint_for_component_ref): Likewise.
17910 (do_deref): Likewise.
17911 (get_constraint_for): Likewise.
17912 (do_structure_copy): Likewise.
17913 (handle_ptr_arith): Likewise.
17914 (find_func_aliases): Likewise. Remove unused need_anyoffset
17917 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17918 Kaz Kojima <kkojima@gcc.gnu.org>
17920 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17921 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17922 (EXTRA_CONSTRAINT_C16): Remove.
17923 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17924 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17925 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17926 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17927 constants of SHmedia. Handle nested constant expressions of
17929 (andcosts): Fix the costs for SHmedia constants.
17930 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17931 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17932 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17933 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17934 (movv4hi_i, movv2si_i): Likewise.
17935 (movsi_const): Adjust the second operand of ior so to match with
17936 the Csu constraint.
17937 (movdi_const, movdi_const_32bit): Likewise.
17938 (movdi_const_16bit+1): Don't sign-extend LOW.
17939 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17941 (*double_shori): Fix the split condition. Use GEN_INT instead
17942 of get_int_mode calls. Mask lower 16-bit of the argument of
17944 (sym2GOTPLT): Remove.
17945 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17947 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17948 instead of EXTRA_CONSTRAINT_C16.
17950 2006-01-07 Ian Lance Taylor <ian@airs.com>
17951 David Edelsohn <edelsohn@gnu.org>
17953 PR rtl-optimization/25662
17954 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17955 for constant operands instead of simplify_gen_binary.
17956 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17957 after trying simplify_binary_operation
17959 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17961 * tree.c (iterative_hash_expr): Hash decls based on UID.
17963 2006-01-06 Eric Christopher <echristo@apple.com>
17965 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17966 (TARGET_UNWIND_EMIT): Fix spelling.
17967 * target.h (gcc_target): Add except_table_label.
17968 * except.c (output_function_exception_table): Use.
17969 * varasm.c (default_emit_except_table_label): New.
17970 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17972 (asm_out): Add here.
17973 * output.h (default_emit_except_table_label): Prototype.
17974 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17975 * config/darwin.c (darwin_emit_except_table_label): Define.
17976 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17978 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17980 PR tree-optimization/18527
17981 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17982 number_of_iterations_special, number_of_iterations_exit):
17983 Move base and step of an iv to a single structure. Add
17984 no_overflow flag, and use it in # of iterations analysis.
17985 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17986 folded_casts argument.
17987 (simple_iv): Pass base and step in a structure. Set no_overflow
17989 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17990 Evaluate expensiveness of computing # of iterations instead of
17991 the final expression.
17992 * tree-scalar-evolution.h (affine_iv): New structure.
17993 (simple_iv): Declaration changed.
17994 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17995 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17996 find_givs_in_stmt): Changed due to simple_iv change.
17998 2006-01-06 Jeff Law <law@redhat.com>
18001 * tree-cfg.c (bsi_replace): Rename final argument from
18002 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
18003 change (stmt -> orig_stmt).
18004 * tree-eh.c (verify_eh_throw_stmt_node): New function.
18005 (bsi_remove): Add new argument. Remove EH information
18007 (verify_eh_throw_table_statements): New function.
18008 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
18010 * tree-optimize.c (execute_free_cfg_annotations): Verify
18011 the EH throw statement table after removing annotations.
18012 * except.h (verify_eh_throw_table_statements): Prototype.
18013 * tree-flow.h (bsi_remove): Update prototype.
18014 * tree-vrp.c (remove_range_assertions): Add new argument to
18016 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
18017 * tree-complex.c (expand_complex_div_wide): Likewise.
18018 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
18019 * tree-tailcall.c (eliminate_tailcall): Likewise.
18020 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
18021 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
18022 * tree-nrv.c (tree_nrv): Likewise.
18023 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
18024 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
18025 (combine_blocks): Likewise.
18026 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
18027 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
18028 (cleanup_control_flow): Likewise.
18029 (remove_forwarder_block): Likewise.
18030 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
18031 * tree-sra.c (sra_replace): Likewise.
18032 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
18033 (forward_propagate_single_use_vars): Likewise.
18034 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
18035 * tree-inline.c (expand_call_inline): Likewise.
18036 * tree-vect-transform.c (vect_transform_loop): Likewise.
18037 * tree-outof-ssa.c (rewrite_trees): Likewise.
18038 * tree-cfg.c (make_goto_expr_edges): Likewise.
18039 (cleanup_dead_labels): Likewise.
18040 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
18041 (bsi_move_before, bsi_move_after): Likewise.
18042 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
18043 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
18045 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
18048 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
18050 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
18051 on non gimple variables. Also add checks at the top for decls and
18053 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
18055 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
18056 and IMAGPART_EXPR for creating MUST_DEFs.
18057 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
18058 and NAME_MEMORY_TAG separately from the DECLs.
18060 2006-01-06 Richard Guenther <rguenther@suse.de>
18062 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
18063 annotation, if necessary.
18064 * tree-ssa-pre.c (create_expression_by_pieces): Remove
18065 redundant calls to update_stmt.
18066 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
18069 2006-01-05 Richard Henderson <rth@redhat.com>
18071 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
18073 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18075 * c-typeck.c: Update copyright date.
18077 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18079 * c-typeck.c (build_c_cast): Always warn when casting
18080 from a pointer to an integer of different size, even if
18081 the node was constant.
18083 2006-01-05 Richard Guenther <rguenther@suse.de>
18085 PR tree-optimization/22555
18086 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
18087 if one structure field is an array.
18088 * tree-ssa-operands.c (get_expr_operands): Continue scanning
18089 operands even if we found a subvar, but ignore VOPs in this
18091 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
18093 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
18095 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
18097 PR middle-end/24998
18098 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
18100 2006-01-05 Richard Guenther <rguenther@suse.de>
18101 Diego Novillo <dnovillo@redhat.com>
18103 * tree-pass.h (TODO_remove_unused_locals): Define.
18104 * gimple-low.c (expand_var_p, remove_useless_vars,
18105 pass_remove_useless_vars): Remove. Update all users.
18106 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
18107 (remove_unused_locals): New function.
18108 * tree-flow.h (remove_unused_locals): Declare.
18109 * passes.c (execute_todo): Call remove_unused_locals if
18110 TODO_remove_unused_locals is set.
18111 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
18112 * tree-ssa-dce.c (pass_dce): Likewise.
18113 * tree-outof-ssa.c (pass_del_ssa): Likewise.
18115 2006-01-05 Richard Guenther <rguenther@suse.de>
18117 * tree-flow.h (struct fieldoff): Decompose field to
18118 type, size and decl.
18119 * tree-ssa-alias.c (create_sft): Take type as parameter.
18120 (create_overlap_variables_for): Store type, size and decl
18121 in the fieldoff structure.
18122 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
18123 of struct fieldoff.
18124 (push_fields_onto_fieldstack): Likewise.
18125 (create_variable_info_for): Likewise. Use offset for the
18126 SFT name if the decl is not available.
18128 2006-01-04 Paul Brook <paul@codesourcery.com>
18130 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
18132 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
18134 * lambda-code.c (can_put_in_inner_loop): Relax
18136 (can_put_after_inner_loop): New function.
18137 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
18138 (perfect_nestify): Change to make copies and modify uses.
18140 2006-01-04 Richard Henderson <rth@redhat.com>
18142 Merge from gomp branch:
18143 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
18144 via integer constant.
18145 (pragma_lex): Remove.
18146 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
18147 rather than parsing it.
18148 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
18149 handle_pragma_extern_prefix): Add %< %> quotes.
18150 (registered_pragmas): New.
18151 (c_register_pragma_1): New.
18152 (c_register_pragma): Use it.
18153 (c_register_pragma_with_expansion): Likewise.
18154 (c_invoke_pragma_handler): New.
18155 (init_pragma): Use cpp_register_deferred_pragma directly for
18157 * c-pragma.h (enum pragma_kind): New.
18158 (pragma_handler): New.
18159 (c_invoke_pragma_handler): Declare.
18160 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
18162 * c-common.h (c_common_pch_pragma): Update decl.
18163 * Makefile.in (c-parser.o): Update dependencies.
18164 (GTFILES): Add c-pragma.h.
18165 * c-parser.c (struct c_token): Add pragma_kind.
18166 (struct c_parser): Add in_pragma.
18167 (c_lex_one_token): Always initialize keyword and pragma_kind.
18168 Extract data for CPP_PRAGMA.
18169 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
18170 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
18171 Don't allow CPP_PRAGMA_EOL if in_pragma.
18172 (c_parser_consume_pragma): New.
18173 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
18174 (c_parser_skip_to_end_of_parameter): Likewise.
18175 (c_parser_skip_to_end_of_block_or_statement): Likewise.
18176 (c_parser_skip_to_pragma_eol): New.
18177 (c_parser_external_declaration): Handle CPP_PRAGMA.
18178 (c_parser_compound_statement_nostart): Likewise.
18179 (c_parser_statement_after_labels): Likewise.
18180 (c_parser_pragma): New.
18181 (pragma_lex): Likewise.
18182 (c_parser_pragma_pch_preprocess): New.
18183 (c_parser_new): Merge into ...
18184 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
18186 2006-01-04 Jeff Law <law@redhat.com>
18189 * tree-cfg.c (bsi_replace): Remove the original statement
18190 from the EH throw statement table.
18192 2006-01-04 Jakub Jelinek <jakub@redhat.com>
18194 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
18195 make the prototype extern "C" and add throw ().
18198 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
18199 and pos non-negative and pos + len <= 32.
18200 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
18201 drop pos + len < HOST_BITS_PER_WIDE_INT test.
18202 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
18205 * c-common.c (handle_vector_size_attribute): Reject zero vector size
18206 as well as sizes not multiple of component size.
18209 * function.c (instantiate_expr): New function.
18210 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
18211 walk its DECL_VALUE_EXPR with instantiate_expr.
18213 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
18214 DW_OP_deref{,_size} if address isn't going to be added.
18216 2006-01-04 Ben Elliston <bje@au.ibm.com>
18218 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
18219 * config/fp-bit.c: Likewise.
18221 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
18223 * dominance.c: Add comment about why we use DFS numbering
18226 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18227 Richard Henderson <rth@redhat.com>
18229 Merge from gomp-branch:
18230 * varasm.c (assemble_variable): Handle thread-local COMMON data.
18231 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
18233 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
18235 PR rtl-optimization/25578
18236 * combine.c (combine_simplify_rtx, force_to_mode): Don't
18237 pass a parameter to simplify_shift_const if changing ASHIFTRT
18240 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
18242 * builtins.c (get_builtin_sync_mem): New function.
18243 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
18244 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
18245 Call get_builtin_sync_mem to generate mem rtx.
18247 2006-01-03 Richard Guenther <rguenther@suse.de>
18250 * stmt.c (add_case_node): Make sure to clear overflow flags
18253 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18255 Merge from gomp-branch.
18256 * config/sparc/sync.md: New file.
18257 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
18258 UNSPECV_LDSTUB): New constants.
18259 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
18260 * config/sparc/predicates.md (memory_reg_operand): New predicate.
18261 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
18264 2006-01-03 Roger Sayle <roger@eyesopen.com>
18266 * combine.c (reg_subword_p): New predicate to test whether the
18267 destination of a set refers to a subword/piece of a register.
18268 (try_combine): Generalize the code to merge the setting of a
18269 pseudo to a constant followed by a set of a subword of that
18270 register to a constant.
18272 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
18274 * basic-block.h (control_flow_graph): Change the type of
18275 x_label_to_block_map to VEC(basic_block,gc) *.
18276 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
18277 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
18279 * tree-ssa-propagate.c (cfg_blocks): Change the type to
18280 VEC(basic_block,heap) *.
18281 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
18282 ssa_prop_fini): Adjust the uses of cfg_blocks.
18284 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
18286 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
18288 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
18289 hashing trees instead of a pointer hash.
18290 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
18291 compare for MEM_EXPR.
18293 PR rtl-optimization/25130
18294 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
18295 when comparing MEMs for GCSE
18297 2006-01-03 Ben Elliston <bje@au.ibm.com>
18299 * targhooks.h (default_decimal_float_supported_p): Declare.
18300 * targhooks.c (default_decimal_float_supported_p): Define.
18301 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
18302 `default_decimal_float_supported_p'.
18303 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
18305 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
18307 * combine.c (apply_distributive_law <SUBREG>): Check
18308 TRULY_NOOP_TRUNCATION.
18310 2006-01-02 Geoffrey Keating <geoffk@apple.com>
18312 * dwarf2out.c (have_switched_text_section): Delete.
18313 (have_multiple_function_sections): New.
18314 (have_location_lists): Make 'bool'.
18315 (add_AT_loc_list): Use 'true' not '1'.
18316 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
18317 (output_loc_list): Use have_multiple_function_sections.
18318 (output_ranges): Likewise.
18319 (dwarf2out_begin_function): Set have_multiple_function_sections if
18321 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
18322 Check function_section rather than DECL_SECTION_NAME.
18323 (dwarf2out_finish): Use have_multiple_function_sections.
18324 Don't clear have_location_lists.
18326 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
18327 Jan Hubicka <jh@suse.cz>
18329 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
18330 case of conditional jump jumping to the next instruction.
18331 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
18332 cases of conditional jump jumping to the next instruction.
18334 2006-01-02 Jan Hubicka <jh@suse.cz>
18336 * i386.c (*_cost): Add COSTS_N_INSNS.
18337 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
18339 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
18342 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
18344 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
18346 * config/arm/arm.c (all_fpus): Fix comment typo.
18347 * config/darwin.c: Likewise.
18348 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
18349 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
18350 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
18352 2006-01-01 David Edelsohn <edelsohn@gnu.org>
18354 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
18355 (rs6000_split_compare_and_swapqhi): New.
18356 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
18357 (sync_compare_and_swapqhi_internal): New.
18358 * config/rs6000/rs6000-protos.h: Declare.