1 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
2 Mark Mitchell <mark@codesourcery.com>
4 * gcc.c: Organize search path variables into $prefix relative,
5 and well-known native. Add comments.
6 (add_sysrooted_prefix): Add comment.
7 (process_command): If !gcc_exec_prefix add $prefix based paths.
8 If *cross_compile == '0', add native well-known paths.
9 Assert tooldir_base_prefix is always relative.
10 (main): If print_search_dirs, and if gcc_exec_prefix is set,
11 use this value for 'install:' path.
12 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
14 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
16 * config/i386/i386.c: Fix a typo in comment.
18 2006-11-13 Michael Matz <matz@suse.de>
20 * genemit.c (gen_expand): Allocate enough memory.
22 2006-11-13 Joseph Myers <joseph@codesourcery.com>
24 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
25 __GXX_TYPEINFO_EQUALITY_INLINE but not
26 __GXX_MERGED_TYPEINFO_NAMES.
27 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
28 __GXX_MERGED_TYPEINFO_NAMES.
29 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
30 __GXX_TYPEINFO_EQUALITY_INLINE.
32 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
33 Zdenek Dvorak <dvorakz@suse.cz>
35 PR tree-optimization/29680
36 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
39 2006-11-12 Jason Merrill <jason@redhat.com>
40 Andrew Pinski <pinskia@physics.uc.edu>
43 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
45 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
47 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
48 * tree.c (build_vector): Handle non-_CST elements.
50 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
52 * genemit.c (gen_insn): Call gen_exp with a non-null used
53 when handling multiple insns.
54 (gen_expand): Likewise.
55 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
56 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
57 (movsi_const_16bit+1): Copy operands[1].
58 (call_pcrel): Copy the call_site pattern.
59 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
61 2006-11-12 Roger Sayle <roger@eyesopen.com>
63 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
64 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
65 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
66 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
68 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
70 Fix PR tree-optimization/29587
71 * tree-ssa-structalias.c (process_constraint): Don't
72 mark address taken due only to escaped vars constraint.
74 2006-11-12 Michael Matz <matz@suse.de>
75 Roger Sayle <roger@eyesopen.com>
77 PR rtl-optimization/29797
78 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
79 BITS_BIG_ENDIAN targets.
81 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
83 * builtins.c (fold_builtin_cosh): New.
84 (fold_builtin_1): Use it.
85 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
86 trunc to the list of "odd" functions. Also add llrint, lrint,
87 rint and nearbyint when flag_rounding_math is false.
89 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
91 * tree-flow.h (name_mappings_registered_p): Declare.
92 * tree-into-ssa.c (name_mappings_registered_p): New function.
93 * tree-cfg.c (tree_can_merge_blocks_p): Check
94 name_mappings_registered_p instead of need_ssa_update_p.
96 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
98 * tree-ssa-loop.c (tree_vectorize): Return the result of
100 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
102 * tree-vectorizer.h (vectorize_loops): Declaration removed.
103 * tree-flow.h (vectorize_loops): Declaration changed.
105 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
107 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
109 (issue_prefetch_ref): Move assignment to write_p out of loop.
110 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
111 SIMULTANEOUS_PREFETCHES into account.
112 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
113 * lambda-code.c (lcm): Renamed to ...
114 (least_common_multiple): ... and exported.
115 * tree-flow.h (least_common_multiple): Declare.
117 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
119 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
120 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
121 ud-chains. Handle AND_EXPR.
122 (record_estimate): Record whether the estimate is realistic
123 and whether it is derived from a loop exit.
124 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
125 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
127 (compute_estimated_nb_iterations): Take only realistic bounds into
128 account. Set estimate_state. Use double_ints.
129 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
130 and infer_loop_bounds_from_signedness. Do not consider basic blocks
131 that do not have to be always executed.
132 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
133 to determine whether to call infer_loop_bounds_from_undefined
134 and compute_estimated_nb_iterations.
135 (n_of_executions_at_most): Use double_ints.
136 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
137 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
138 * double-int.c (double_int_to_tree): Improve comment.
139 (double_int_fits_to_tree_p): New function.
140 * double-int.h (double_int_fits_to_tree_p): Declare.
141 * tree-data-ref.c: Include langhooks.h.
142 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
143 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
144 (analyze_array): Do not pass estimate_only argument to
145 analyze_array_indexes.
146 (get_number_of_iters_for_loop): Build tree from the stored double_int
148 (get_references_in_stmt, find_data_references_in_stmt): New functions.
149 (find_data_references_in_loop): Use find_data_references_in_stmt.
150 * tree-data-ref.h (struct data_ref_loc_d): New.
151 (get_references_in_stmt): Declare.
152 (estimate_iters_using_array): Declaration removed.
153 * cfgloop.h (struct nb_iter_bound): Change type of bound to
154 double_int. Improve comments. Add is_exit and realistic
156 (struct loop): Changed type of estimated_nb_iterations to double_int.
157 Added estimate_state field.
158 (record_estimate): Declaration removed.
160 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
162 * params.c (set_param_value): Initialize the "set" field.
163 * params.h (struct param_info): Add "set" field.
164 (PARAM_SET_P): New macro.
165 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
166 L1_CACHE_LINE_SIZE): New macros.
167 * toplev.c (DEFPARAM): Initialize the "set" field.
168 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
169 SIMULTANEOUS_PREFETCHES): Removed.
170 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
171 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
172 * config/sparc/sparc.c: Include params.h.
173 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
174 L1_CACHE_LINE_SIZE parameters.
175 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
177 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
179 * config/i386/i386.c: Include params.h.
180 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
181 (override_options): Set SIMULTANEOUS_PREFETCHES and
182 L1_CACHE_LINE_SIZE parameters.
183 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
184 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
185 L1_CACHE_LINE_SIZE parameters.
186 * config/ia64/ia64.c (ia64_optimization_options): Set
187 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
188 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
190 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
191 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
192 * doc/invoke.texi: Document new params.
194 2006-11-12 Roger Sayle <roger@eyesopen.com>
196 PR tree-optimization/13827
197 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
200 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
202 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
203 update_single_exit_for_duplicated_loops): New functions.
204 (duplicate_loop_to_header_edge): Use
205 update_single_exit_for_duplicated_loops.
206 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
207 functions only with ENABLE_CHECKING.
209 2006-11-12 Andreas Schwab <schwab@suse.de>
211 * except.c (sjlj_emit_function_enter): Remove unused variable.
213 2006-11-11 Roger Sayle <roger@eyesopen.com>
215 * fold-const.c (int_binop_types_match_p): New function.
216 (size_binop): Relax constraint that both arguments must both have
217 exactly the same sizetype type. Instead use int_binop_types_match_p.
218 (size_diffop): Likewise.
220 (make_range): Use build_int_cst instead of fold_convert.
221 (fold_cond_expr_with_comparison): Use build_int_cst to construct
222 integer constants of the correct type.
223 (fold_div_compare): Likewise.
224 (fold_single_bit_test): Likewise.
225 (fold_binary): Likewise.
226 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
227 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
229 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
232 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
233 non null value if the struct memory access is in the 0th
236 2006-11-12 Jie Zhang <jie.zhang@analog.com>
239 2006-11-11 Jie Zhang <jie.zhang@analog.com>
240 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
243 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
244 instead of builtin_define for bfin and BFIN.
246 2006-11-11 Jie Zhang <jie.zhang@analog.com>
248 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
251 2006-11-11 Jan Hubicka <jh@suse.cz>
253 * extended.texi (__builtin_expect): We no longer require second argument
255 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
256 * builtins.c (expand_builtin_expect): Simplify.
257 (expand_builtin_expect_jump): Kill.
258 * final.c (final_scan_insn): Do not skip the removed notes.
259 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
260 EXPECTED_VALUE): Remove.
261 * dojump.c (do_jump): Do not care about __builtin_expect.
262 * predict.c (expected_value_to_br_prob): Kill.
263 * function.c (expand_function_end): Do not expand
264 NOTE_INSN_REPEATED_LINE_NUMBER.
265 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
266 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
267 * cfgexpand.c (add_reg_br_prob_note): Export.
268 * cfgcleanup.c (rest_of_handle_jump2): Do not call
269 expected_value_to_br_prob.
270 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
271 * rtl.h (add_reg_br_prob_note): Declare.
273 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
275 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
277 2006-11-11 Jan Hubicka <jh@suse.cz>
279 * predict.c (predict_loops): Kill RTL variant.
281 2006-11-11 Jan Hubicka <jh@suse.cz>
283 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
284 * modulo-sched.c (find_line_note): Remove.
285 (loop_canon_p): Do not worry about line number notes.
286 (sms_schedule): Likewise.
287 * cse.c (cse_main): Likewise.
288 * regmove.c (fixup_match_1): Likewise
289 * function.c (emit_return_info_block): Likewise.
290 (expand_function_end): Likewise.
291 (thread_prologue_an_epilogue_insns): Likewise.
292 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
294 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
295 emit_note_copy_after): Kill.
296 (emit_note_copy): Do not worry about line numbers.
297 * jump.c (purge_line_number_notes): Kill.
298 (pass_purge_lineno_notes): Kill.
299 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
301 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
302 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
303 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
304 * tree-pass.h (pass_purge_lineno_notes): Kill.
305 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
306 rm_redundant_line_notes.
307 * sched-rgb.c (schedule_region): Don't rm_line_notes,
308 rm_redundant_line_notes.
309 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
310 * haifa-sched.c: Update comment about handling notes.
311 (unlink_line_notes): Kill.
312 (rm_line_notes): Kill.
313 (save_line_notes): Simplify.
314 (rm_redundant_line_notes): Kill.
316 2006-11-11 Richard Guenther <rguenther@suse.de>
318 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
319 Remove unused tree codes.
320 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
321 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
322 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
323 * tree.c (stabilize_reference): Likewise.
324 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
325 fold_unary): Likewise.
326 * tree-gimple.c (is_gimple_cast): Likewise.
327 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
328 * expr.c (expand_expr_real_1): Likewise.
329 * tree-eh.c (tree_could_trap_p): Likewise.
330 * gimplify.c (gimplify_expr): Likewise.
331 * tree-inline.c (estimate_num_insns_1): Likewise.
332 * tree-cfg.c (verify_expr): Likewise.
334 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
336 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
337 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
338 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
340 2006-11-11 Richard Sandiford <richard@codesourcery.com>
343 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
344 constraints accept neither registers or memories.
346 2006-11-11 Jie Zhang <jie.zhang@analog.com>
348 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
349 (NO_PROFILE_COUNTERS): Define as 1.
351 2006-11-10 Roger Sayle <roger@eyesopen.com>
353 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
354 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
356 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
358 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
360 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
362 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
363 (fold_builtin_hypot): Likewise.
364 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
366 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
368 2006-11-10 Roger Sayle <roger@eyesopen.com>
370 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
371 when attempting to build INTEGER_CSTs of non-integral types.
372 * expmed.c (make_tree): Use the correct type, i.e. the inner
373 type, when constructing the individual elements of a CONST_VECTOR.
375 2006-11-10 Jan Hubicka <jh@suse.cz>
377 * cse.c (cse_process_notes): Copy the propagated value.
378 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
380 * gcse.c (try_replace_reg): Copy the replacement.
381 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
382 (assign_386_stack_local): Always return copied memory expression
383 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
386 2006-11-10 Jan Hubicka <jh@suse.cz>
388 * final.c (final): Walk from first instruction.
389 * cfglayout.c (insn_locators_initialize): Remove line number notes.
391 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
394 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
396 (umulv8hi3_highpart): Ditto.
397 (vec_widen_smult_hi_v8hi): New expander.
398 (vec_widen_smult_lo_v8hi): Ditto.
400 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
403 * builtins.c (do_mpfr_arg3): New.
404 (fold_builtin_1): Handle builtins fma, fmin and fmax.
406 2006-11-09 Eric Christopher <echristo@apple.com>
411 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
412 * config.gcc (powerpc64-*-darwin*): New target.
413 * config.host: Ditto.
414 * config/rs6000/darwin64.h: New file.
415 * config/rs6000/x-darwin64: Ditto.
416 * config/rs6000/host-ppc64-darwin.c: Ditto.
418 2006-11-09 Steve Ellcey <sje@cup.hp.com>
420 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
421 routines for integer division.
423 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
425 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
427 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
430 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
432 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
434 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
435 simplify_subreg with BLKmode outer mode.
437 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
439 * doc/invoke.texi: Minor formatting fixes in option lists.
441 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
443 PR tree-optimization/29738
444 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
445 (ccp_lattice_t): Remove UNKNOWN_VAL.
446 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
447 Do not handle UNKNOWN_VAL.
448 (get_default_value): Set initial value of virtual operands to
450 (get_value): Always use get_default_value on uninitialized
452 (set_value_varying, surely_varying_stmt_p): New functions.
453 (set_lattice_value): Do not pass argument to get_value.
454 Do not handle UNKNOWN_VAL.
455 (likely_value): Follow the semantics described in the comment.
456 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
457 phi nodes DONT_SIMULATE_AGAIN.
458 (ccp_fold): Do not pass argument to get_value.
459 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
462 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
464 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
465 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
467 2006-11-08 Roger Sayle <roger@eyesopen.com>
469 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
470 test for inclusion rather than as a test for exclusion.
471 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
472 the condition after calling fold_binary.
473 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
474 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
475 * builtins.c (fold_builtin_isascii): Likewise.
476 (fold_builtin_isdigit): Likewise.
478 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
480 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
481 * configure: Regenerate.
483 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
485 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
486 enum argument instead of bool.
487 (vect_analyze_operations): Call vectorizable_type_promotion.
488 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
489 stmt_vec_info_type value.
490 (supportable_widening_operation, vectorizable_type_promotion): New
491 function declarations.
492 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
493 (vectorizable_type_promotion): New function.
494 (vect_transform_stmt): Call vectorizable_type_promotion.
495 * tree-vect-analyze.c (supportable_widening_operation): New function.
496 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
498 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
501 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
502 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
503 * tree-inline.c (estimate_num_insns_1): Add cases for above new
505 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
506 * expr.c (expand_expr_real_1): Likewise.
507 * optabs.c (optab_for_tree_code): Likewise.
508 (init_optabs): Initialize new optabs.
509 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
510 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
511 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
512 vec_unpacku_lo_optab): Initialize new optabs.
513 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
514 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
515 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
517 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
518 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
519 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
520 (vec_unpacku_lo_optab): New optabs.
521 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
522 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
523 (vec_widen_smult_hi, vec_widen_smult_lo): New.
524 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
525 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
526 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
528 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
529 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
530 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
531 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
532 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
533 implement the unsigned unpacking patterns.
534 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
535 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
536 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
537 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
538 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
539 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
540 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
541 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
542 multiplication patterns.
544 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
545 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
546 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
547 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
548 (rs6000_builtin_mul_widen_odd): New.
549 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
550 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
551 * tree-vectorizer.h (enum vect_relevant): New enum type.
552 (_stmt_vec_info): Field relevant chaned from bool to enum
554 (STMT_VINFO_RELEVANT_P): Updated.
555 (STMT_VINFO_RELEVANT): New.
556 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
557 instead of STMT_VINFO_RELEVANT_P.
558 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
559 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
560 and boolean variable with enum vect_relevant.
561 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
562 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
563 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
565 2006-11-08 Richard Henderson <rth@redhat.com>
567 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
568 vec_widen_umult_lo_v8hi): New.
569 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
570 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
572 * config/i386/i386.c (ix86_expand_sse_unpack): New.
573 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
574 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
575 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
576 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
577 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
578 vec_unpacks_lo_v4si): New.
580 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
582 * tree-vect-transform.c (vectorizable_type_demotion): New function.
583 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
584 (vect_analyze_operations): Call vectorizable_type_demotion.
585 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
586 stmt_vec_info_type value.
587 (vectorizable_type_demotion): New function declaration.
588 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
591 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
592 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
594 * tree-iniline.c (estimate_num_insns_1): Likewise.
595 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
596 * optabs.c (optab_for_tree_code): Likewise.
598 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
599 compared against the predicate of the result is not 'mode' (the input
600 to the function) but a mode with half the size of 'mode'.
601 (init_optab): Initialize new optabs.
602 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
604 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
606 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
607 (vec_pack_usat_optab): Initialize new optabs.
608 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
609 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
611 2006-11-08 Richard Henderson <rth@redehat.com>
613 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
614 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
615 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
616 (vec_interleave_highv4si, vec_interleave_lowv4si):
617 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
619 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
621 * tree-vect-transform.c (vectorizable_reduction): Support multiple
623 (vect_transform_stmt): Removed redundant code.
625 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
627 * tree-vect-transform.c (vectorizable_operation): Support multiple
630 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
632 * tree-vect-transform.c (vect_align_data_ref): Removed.
633 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
634 Updated function documentation. Return the increment stmt in ptr_incr.
635 (bump_vector_ptr): New function.
636 (vect_get_vec_def_for_stmt_copy): New function.
637 (vect_finish_stmt_generation): Create a stmt_info to newly created
639 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
641 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
642 VF is greater than the number of elements that can fit in one vector
644 (vectorizable_operation, vectorizable_condition): Likewise.
645 (vectorizable_store, vectorizable_load): Support the case that the VF
646 is greater than the number of elements that can fit in one vector word.
647 (vect_transform_loop): Don't fail in case of multiple data-types.
648 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
649 in case of multiple data-types; the smallest type determines the VF.
650 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
651 if they are of different sizes.
652 (vect_update_misalignment_for_peel): Compare misalignments in terms of
653 number of elements rather than number of bytes.
654 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
655 (vect_can_advance_ivs_p): Fix a dump printout
657 2006-11-07 Eric Christopher <echristo@apple.com>
659 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
661 * libgcc2.h: Remove transformation of bswap routines.
662 * config/i386/i386.md (bswapsi2): New.
665 2006-11-07 Jakub Jelinek <jakub@redhat.com>
667 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
668 (handle_gnu_inline_attribute): New function.
669 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
670 (merge_decls, start_decl, start_function): Likewise.
671 * doc/extend.texi: Document gnu_inline attribute.
673 2006-11-07 Steve Ellcey <sje@cup.hp.com>
676 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
677 _fixunstfdi, and _floatditf
679 2006-11-06 Anatoly Sokolov <aesok@post.ru>
681 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
683 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
684 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
685 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
686 which start in an odd register.
688 2006-11-07 Richard Sandiford <richard@codesourcery.com>
690 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
692 2006-11-07 Josh Conner <jconner@apple.com>
694 * doc/invoke.texi (fstrict-aliasing): Move implementation
696 * doc/tree-ssa.texi (Alias analysis): ...here.
698 2006-11-07 Richard Guenther <rguenther@suse.de>
700 PR tree-optimization/29610
701 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
702 of tree_purge_dead_eh_edges as it may free dominators.
704 * g++.dg/other/pr29610.C: New testcase.
706 2006-11-07 David Ung <davidu@mips.com>
708 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
709 costs when optimizing for size.
710 (override_options): Use mips_rtx_cost_optimize_size table for cost
713 2006-11-07 Jie Zhang <jie.zhang@analog.com>
715 * gcc.c (process_command): Treat -b as normal switch if its argument
718 2006-11-07 David Ung <davidu@mips.com>
720 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
723 2006-11-06 Eric Christopher <echristo@apple.com>
725 * config.gcc: Add x86_64-darwin host support.
726 * config.host: Ditto.
727 * config/i386/darwin64.h: New file.
728 * config/i386/t-darwin64: Ditto.
730 2006-11-06 Janis Johnson <janis187@us.ibm.com>
732 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
733 and output-exists-not.
735 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
738 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
739 checking for overflow.
741 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
743 * configure.ac: Fixed typo in case statement: :: changed to ;;
745 2006-11-06 Bob Wilson <bob.wilson@acm.org>
747 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
748 count_leading_zeros, and count_trailing_zeros.
749 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
750 (TARGET_FOLD_BUILTIN): Define.
751 (TARGET_EXPAND_BUILTIN): Define.
752 (xtensa_init_builtins): New.
753 (xtensa_fold_builtin): New.
754 (xtensa_expand_builtin): New.
755 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
756 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
757 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
758 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
759 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
760 (any_extend): New code macro.
761 (u, su): New code attributes.
762 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
763 (nsau): Remove; replaced by clzsi2.
764 (ffssi2): Use clzsi2.
765 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
766 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
767 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
768 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
769 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
771 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
773 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
775 * config/arm/t-strongarm-elf: Likewise.
776 * config/arm/t-pe: Likewise.
777 * config/arm/t-arm-elf: Likewise.
778 * config/arm/t-xscale-elf: Likewise.
779 * config/arm/t-arm-coff: Likewise.
780 * config/arm/t-xscale-coff: Likewise.
781 * config/arm/t-wince-pe: Likewise.
783 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
785 * config/sh/lib1funcs-4-300.asm: Guard entire file with
788 2006-11-05 Jakub Jelinek <jakub@redhat.com>
791 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
794 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
797 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
798 as a valid 80387 constant.
799 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
800 * config/i386/i386.md (unnamed splitter): Split the load of
801 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
804 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
806 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
807 from the soft-frame, argument and virtual registers.
809 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
811 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
812 patterns for standard 80387 constants.
814 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
815 Steven Bosscher <steven@gcc.gnu.org>
817 * fwprop.c: New file.
818 * Makefile.in: Add fwprop.o.
819 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
820 * passes.c (init_optimization_passes): Schedule forward propagation.
821 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
823 * timevar.def (TV_FWPROP): New.
824 * common.opt (-fforward-propagate): New.
825 * opts.c (decode_options): Enable forward propagation at -O2.
826 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
827 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
828 canon_for_address, table_size): Remove.
829 (new_basic_block, insert, remove_from_table): Remove references to
831 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
832 simplification loop more straightforward by not calling fold_rtx
834 (equiv_constant): Move here a small part of fold_rtx_subreg,
835 do not call fold_rtx. Call avoid_constant_pool_reference
837 * recog.h (canonicalize_change_group): New.
839 * doc/invoke.texi (Optimization Options): Document fwprop.
840 * doc/passes.texi (RTL passes): Document fwprop.
842 2006-11-03 Geoffrey Keating <geoffk@apple.com>
844 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
845 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
846 (grokdeclarator): Likewise.
848 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
850 * tree-dump.c (dump_enable_all): Rename local variable
851 ir_type to avoid name conflicts.
852 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
853 instead of using ir_type().
854 * profile.c (tree_register_profile_hooks): Likewise.
855 * value-prof.c (tree_register_value_prof_hooks): Likewise.
856 * basic-block.h (struct edge_def): Likewise.
857 * config/arm/arm.c (legitimize_pic_address): Likewise.
858 * coretypes.h (ir_type): New enum of all intermediate languages
860 * cfghooks.c (ir_type): Rename to...
861 (current_ir_type): ...this. Distinguish between cfgrtl and
862 cfglayout mode when the current IR is RTL. Return enum ir_type.
863 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
865 2006-11-03 Paul Brook <paul@codesourcery.com>
867 * config/arm/arm.c (arm_file_start): New function.
868 (TARGET_ASM_FILE_START): Define.
869 (arm_default_cpu): New variable.
870 (arm_override_options): Set arm_default_cpu.
872 2006-11-03 David Ung <davidu@mips.com>
874 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
875 PROCESSOR_24KC and PROCESSOR_24KF.
876 * config/mips/mips.c (mips_cpu_info_table): Add processor names
877 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
878 (mips_rtx_cost_data): Add costs for the 24kc.
879 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
880 * config/mips/24k.md: Remove references to 24k and replace with
881 uses of 24kc/24kf in the appropriate reservations.
882 * doc/invoke.texi (MIPS Options): Updated.
884 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
886 * config/sh/crt1.asm: Fix #ifdef indent.
888 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
889 Merged from STMicroelectronics sources:
890 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
891 * config/sh/crt1.asm (vbr_600): Add missing #if.
892 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
893 * sh.opt (mfused-madd): New option.
894 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
895 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
896 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
897 Remove pointless handler at VBR+0.
898 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
899 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
900 fr7. Make sure the timer handler is called with the correct FPU
901 precision setting, according to the ABI.
902 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
903 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
904 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
905 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
906 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
907 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
908 zero as second operand.
909 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
910 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
911 Fixed some bugs related to negative values, in particular -0
912 and overflow at -0x80000000.
913 * config/sh/divcost-analysis: Added sh4-300 figures.
914 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
915 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
916 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
917 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
918 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
919 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
921 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
923 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
924 SH4-300 scheduling description & fixes to SH4-[12]00 description:
925 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
926 mac_mem, mem_mac, dfp_mul, fp_cmp.
927 (insn_class, dfp_comp, any_fp_comp): Update.
928 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
929 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
930 (muldf3_i): Likewise.
931 (movsi_i): Split rI08 alternative into two separate alternatives.
933 (movsi_ie, movsi_i_lowpart): Likewise.
934 (movqi_i): Split ri alternative into two separate alternatives.
936 * sh1.md (sh1_load_store, sh1_fp): Update.
937 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
938 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
939 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
940 (sh4a_fp_double_arith): Likewise.
941 * sh4-300.md: New file.
942 * sh.c (sh_handle_option): Handle m4-300* options.
943 (sh_adjust_cost): Fix latency of auto-increments.
944 Handle SH4-300 differently than other SH4s. Check for new insn types.
945 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
946 been set by an option.
947 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
948 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
949 (mbranch-cost=): Likewise.
950 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
952 * sh.md (mulsf3): Remove special expansion code.
953 (mulsf3_ie): Now a define_insn_and_split.
954 (macsf3): Allow for TARGET_SH4.
956 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
957 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
958 (expand_cbranchdi4): Likewise.
959 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
960 CONST_DOUBLE if the outer code is COMPARE.
961 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
962 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
963 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
964 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
965 Remove redundant fp_{zero,one}_operand checks.
966 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
967 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
968 (expand_cbranchdi4): Likewise.
969 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
970 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
972 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
974 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
977 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
979 * doc/invoke.texi: Fix mfp-trap-mode typo.
981 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
983 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
984 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
985 file_end_indicate_exec_stack.
986 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
988 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
989 for a non-executable stack.
990 * crti.asm: Likewise.
991 * crtn.asm: Likewise.
992 * libunwind.S: Likewise.
994 2006-11-02 Ben Elliston <bje@au.ibm.com>
996 * tree-ssa.c (warn_uninit): Use expand_location variables for
997 locus and declaration locus.
999 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
1002 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
1003 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
1004 cmp{eq,gt,gtu}{si,di}_media.
1005 (*cmpne0si_media): Remove.
1006 (*movsicc_umin): Adjust gen_cmp*_media call.
1007 (unordered): Change the mode of unordered and operands[1] to
1009 (seq): Adjust gen_cmp*_media calls. Make the mode of
1010 a temporary result of compare SImode if needed. If the mode
1011 of operands[0] is DImode, extend the temporary result to DImode.
1012 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
1013 (sunorderd): Change the mode of match_operand and unorderd to
1015 (cmpeq{sf,df}_media): Remove.
1016 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
1017 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
1018 and compare operation to SImode.
1020 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
1022 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
1024 (sparc64-sun-solaris2*): Likewise.
1026 2006-11-02 Paul Brook <paul@codesourcery.com>
1028 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
1029 from priority argument. Use different section for non-default
1031 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
1033 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
1036 * except.c (switch_to_exception_section): Do not cache the section
1037 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1038 and flag_function_sections is set.
1040 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1043 * builtins.c (do_mpfr_sincos): New.
1044 (fold_builtin_1): Use it to fold builtin sincos.
1046 2006-11-01 Roger Sayle <roger@eyesopen.com>
1048 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
1049 it into -D_REENTRANT.
1051 2006-11-01 Roger Sayle <roger@eyesopen.com>
1053 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
1054 whether the assembler supports taking the difference of symbols in
1055 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
1056 * configure: Regenerate.
1057 * config.in: Regenerate.
1058 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
1059 the assembler doesn't support taking the difference of symbols in
1060 different sections, i.e. we're using the native solaris assembler.
1062 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
1063 Peter Bergner <bergner@vnet.ibm.com>
1065 * doc/invoke.texi: Add cpu_type power6x
1066 (RS/6000 and PowerPC Options): Add -mmfpgpr.
1067 * config.gcc: Add cpu_type power6x.
1068 * configure.ac: Add test for mf{t,f}gpr instructions.
1069 (HAVE_AS_MFPGPR): New.
1070 * config.in: Regenerate.
1071 * configure: Regenerate.
1072 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
1073 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
1074 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
1075 and mftgpr attributes.
1076 (define_attr "cpu"): Add power6.
1077 Change instruction sequences to use new attributes.
1078 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
1079 (fix_truncdfsi2_mfpgpr): New.
1080 (floatsidf_ppc64_mfpgpr): New.
1081 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
1082 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
1083 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
1084 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
1085 (fix_truncdfsi2): Use gpc_reg_operand constraint.
1086 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
1087 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
1088 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
1089 cntlz,exts and var_delayed_compare.
1090 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1091 _ARCH_PWR6X, if features enabled.
1092 * config/rs6000/rs6000.opt (mmfpgpr): New.
1093 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
1094 (cached_can_issue_more): New variable.
1095 (processor_costs): Add power6_cost.
1096 (rs6000_sched_init): New function.
1097 (is_dispatch_slot_restricted): Deleted.
1098 (set_to_load_agen): New function.
1099 (is_load_insn,is_store_insn): New functions.
1100 (adjacent_mem_locations): New function.
1101 (insn_must_be_first_in_group): New function.
1102 (insn_must_be_last_in_group): New function.
1103 (rs6000_sched_reorder): New function.
1104 (rs6000_sched_reorder2): New function.
1105 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
1106 TARGET_SCHED_REORDER2): Define.
1107 (processor_target_table): Use PROCESSOR_POWER6 for power6.
1108 Add power6x. Add MASK_MFPGPR for power6x.
1109 (POWERPC_MASKS): Add MASK_MFPGPR.
1110 (rs6000_override_options): Set rs6000_always_hint to false
1111 for power6. Set rs6000_align_branch_targets. Replace
1112 rs6000_sched_groups check with rs6000_align_branch_targets.
1113 Use PROCESSOR_POWER6.
1114 (last_scheduled_insn): New variable.
1115 (load_store_pendulum): New variable.
1116 (rs6000_variable_issue): Set last_scheduled_insn and
1117 cached_can_issue_more.
1118 (rs6000_adjust_cost): Add power6 cost adjustments.
1119 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
1120 with insn_must_be_first_in_group. Add power6 priority adjustments.
1121 (rs6000_issue_rate): Add CPU_POWER6.
1122 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
1123 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
1124 (TARGET_MFPGPR): New.
1125 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
1126 (ASM_CPU_SPEC): Add power6x.
1127 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
1129 * config/rs6000/power6.md: New file.
1131 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
1133 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1134 HOST_WIDE_INT_PRINT to print high and low parts. Use
1135 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
1136 printing a hexadecimal number prefix it with 0x.
1138 2006-11-01 Chris Johns <chris@contemporary.net.au>
1141 * Makefile.in (install-driver): Use exeext when installing
1142 $target-gcc-$version.
1144 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
1146 * c-common.c (flag_cpp0x): New.
1147 * c-common.h (flag_cpp0x): New.
1148 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
1149 supported, define __GXX_EXPERIMENTAL_CPP0X__.
1150 * c-opts.c (set_std_cxx0x): New.
1151 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
1152 * c.opt (std=c++0x): Document.
1153 (std=gnu++0x): Ditto.
1154 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
1155 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
1157 2006-11-01 Richard Guenther <rguenther@suse.de>
1159 * config/i386/i386.c (ix86_expand_rint): Fix issues with
1161 (ix86_expand_floorceildf_32): Likewise.
1162 (ix86_expand_floorceil): Likewise.
1163 (ix86_expand_trunc): Likewise.
1165 2006-10-31 Andrew Pinski <pinskia@gmail.com>
1167 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
1170 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
1172 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
1174 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
1176 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
1178 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
1179 * configure.ac (use_cxa_atexit): As a special case, don't test
1180 for libc definition of __cxa_atexit on mingw32
1181 * configure: Regenerate.
1182 * config.gcc (i[34567]86-pc-mingw32): Default to
1183 enable__cxa_atexit=yes.
1185 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1187 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
1189 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1192 * c-decl.c (start_struct): Don't create self-containing
1194 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1196 * config/rs6000/rs6000-protos.h
1197 (darwin_rs6000_special_round_type_align): New.
1198 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
1199 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
1201 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1203 * toplev.c (compile_file): Call final_write_globals
1204 even if there have been errors.
1206 2006-10-31 Eric Christopher <echristo@apple.com>
1207 Falk Hueffner <falk@debian.org>
1209 * doc/extend.texi (__builtin_bswap32): Document.
1210 (__builtin_bswap64): Ditto.
1211 * doc/libgcc.texi (bswapsi2): Document.
1213 * doc/rtl.texi (bswap): Document.
1214 * optabs.c (expand_unop): Don't widen a bswap.
1215 (init_optabs): Init bswap. Set libfuncs explicitly
1216 for bswapsi2 and bswapdi2.
1217 * optabs.h (OTI_bswap): New.
1218 (bswap_optab): Ditto.
1219 * genopinit.c (optabs): Handle bswap_optab.
1220 * tree.h (tree_index): Add TI_UINT32_TYPE and
1222 (uint32_type_node): New.
1223 (uint64_type_node): Ditto.
1224 * tree.c (build_common_tree_nodes_2): Initialize
1225 uint32_type_node and uint64_type_node.
1226 * builtins.c (expand_builtin_bswap): New.
1227 (expand_builtin): Call.
1228 (fold_builtin_bswap): New.
1229 (fold_builtin_1): Call.
1230 * fold-const.c (tree_expr_nonnegative_p): Return true
1232 * builtin-types.def (BT_UINT32): New.
1234 (BT_FN_UINT32_UINT32): Ditto.
1235 (BT_FN_UINT64_UINT64): Ditto.
1236 * builtins.def (BUILT_IN_BSWAP32): New.
1237 (BUILT_IN_BSWAP64): Ditto.
1238 * rtl.def (BSWAP): New.
1239 * genattrtab.c (check_attr_value): New.
1240 * libgcc2.c (__bswapSI2): New.
1241 (__bswapDI2): Ditto.
1242 * libgcc2.h (__bswapSI2): Declare.
1243 (__bswapDI2): Ditto.
1244 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
1245 * simplify-rtx.c (simplify_const_unary_operation): Return
1247 * libgcc-std.ver (__bwapsi2): Add.
1248 (__bswapdi2): Ditto.
1249 * reload1.c (eliminate_regs_1): Add bswap.
1250 (elimination_effects): Ditto.
1251 * config/i386/i386.h (x86_bswap): New.
1252 (TARGET_BSWAP): Use.
1253 * config/i386/i386.c (x86_bswap): Set.
1255 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1257 * coverage.c (coverage_checksum_string): Update comment.
1258 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
1259 of get_file_function_name.
1260 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
1261 of get_file_function_name_long.
1262 * tree.c (get_file_function_name): Rename from
1263 get_file_function_name_long; improve comment; handle 'I' and 'D'
1264 specially when the target has ctor/dtor support; remove special
1266 (get_file_function_name): Remove.
1267 * tree.h (get_file_function_name): Rename from
1268 get_file_function_name_long.
1269 (get_file_function_name): Remove prototype.
1271 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1273 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
1274 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1276 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
1277 Call dsymutil when compiling and linking one or more source files
1280 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1283 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
1285 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1287 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
1288 inline static functions in c99 mode.
1291 * doc/extend.texi (Inline): Update.
1292 * c-tree.h (struct language_function): Remove field 'extern_inline'.
1293 * c-decl.c (current_extern_inline): Delete.
1294 (pop_scope): Adjust test for an undefined nested function.
1295 Add warning about undeclared inline function.
1296 (diagnose_mismatched_decls): Update comments. Disallow overriding
1297 of inline functions in a translation unit in C99. Allow inline
1298 declarations in C99 at any time.
1299 (merge_decls): Boolize variables. Handle C99 'extern inline'
1301 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
1302 C99 inline semantics.
1303 (start_function): Don't clear current_extern_inline. Don't set
1305 (c_push_function_context): Don't push current_extern_inline.
1306 (c_pop_function_context): Don't restore current_extern_inline.
1309 * c-typeck.c (build_external_ref): Warn about static variables
1310 used in extern inline functions.
1311 * c-decl.c (start_decl): Warn about static variables declared
1312 in extern inline functions.
1314 2006-10-31 Roger Sayle <roger@eyesopen.com>
1317 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
1318 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
1319 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
1320 or y is an even integer.
1322 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
1325 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
1326 * gthr-posix95.h (__gthread_active_p): Likewise.
1328 2006-10-31 Richard Guenther <rguenther@suse.de>
1330 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
1331 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
1332 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
1333 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
1334 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
1335 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
1336 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
1337 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
1340 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
1342 * opts.c (decode_options): Disable CSE skip blocks.
1344 2006-10-30 Dirk Mueller <dmueller@suse.de>
1346 * c-common.h (strict_aliasing_warning): Fix whitespace.
1347 * c-decl (start_function): Move code for main decl warning ..
1348 * c-common.c (check_main_parameter_types): .. here.
1349 * c-common.h (check_main_parameter_types): Declare.
1351 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1354 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
1356 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
1358 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
1359 be a PARALLEL containing sets. Return false when out_pat is not
1362 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1364 * config/mips/mips.md (mul<mode>3): Split into...
1365 (mulsi3, muldi3): ...these separate patterns.
1367 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1369 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
1370 but with each set of options separated by spaces.
1372 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
1374 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
1375 dwarf_reg_size_table has been initialized.
1377 2006-10-30 Roger Sayle <roger@eyesopen.com>
1379 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
1380 * ddg.c (print_ddg_edge): Likewise.
1381 * dwarf2out.c (prune_unused_types_walk): Likewise.
1382 * ifcvt.c (noce_try_cmove_arith): Likewise.
1383 * langhooks.c (add_builtin_function): Likewise.
1384 * reg-stack.c (subst_stack_regs_pat): Likewise.
1385 * tree.c (expanded_location): Likewise.
1386 * tree-dump.c (dequeue_and_dump): Likewise.
1388 2006-10-30 David Daney <ddaney@avtrex.com>
1390 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
1392 2006-10-30 Jakub Jelinek <jakub@redhat.com>
1394 PR tree-optimization/29637
1395 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
1396 of the innertype is the innertype itself.
1398 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
1400 * dwarf2out.c (file_name_acquire): Correct typo.
1402 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
1404 * tree.h (tree_value_handle): Remove struct value_set declaration.
1405 Change value_set to bitmap_set.
1406 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
1407 * tree-vn.c (get_value_handle): Made inline and moved to
1409 * tree-flow-inline.h: (has_stmt_ann): New function.
1410 * tree-ssa-pre.c (expressions): New variable.
1411 (next_expression_id): Ditto.
1412 (alloc_expression_id): New function.
1413 (struct value_set): Remove.
1414 (get_expression_id): New function.
1415 (get_or_alloc_expression_id): Ditto.
1416 (expression_for_id): Ditto.
1417 (clear_expression_ids): Ditto.
1418 (FOR_EACH_EXPR_ID_IN_SET): New macro.
1419 (bb_value_sets): Renamed to bb_bitmap_sets.
1420 All value sets replaced with bitmap_sets.
1422 (BB_VISITED): New macro.
1423 (postorder): New variable.
1424 (add_to_value): Removed.
1425 (value_exists_in_set_bitmap): Ditto.
1426 (value_insert_into_set_bitmap): Ditto.
1429 (set_remove): Ditto.
1430 (set_contains_value): Ditto.
1431 (insert_into_set): Ditto.
1433 (find_leader): Ditto.
1434 (bitmap_set_subtract_from_value_set): Ditto.
1435 (value_insert_into_set): Ditto.
1436 (print_value_set): Ditto.
1437 (debug_value_set): Ditto.
1438 (constant_expr_p): New function.
1439 (bitmap_remove_from_set): Ditto.
1440 (bitmap_insert_into_set): Ditto.
1441 (bitmap_set_free): Ditto.
1442 (vh_compare): Ditto.
1443 (sorted_array_from_bitmap_set): Ditto.
1444 (bitmap_set_subtract): Ditto.
1445 (bitmap_set_equal): Ditto.
1446 (debug_bitmap_set): Ditto.
1447 (find_leader_in_sets): Ditto.
1448 (bitmap_set_replace_value): Modify for bitmapped sets.
1449 (phi_translate): Ditto.
1450 (phi_translate_set): Ditto.
1451 (bitmap_find_leader): Ditto.
1452 (valid_in_sets): Ditto.
1453 (union_contains_value): Ditto.
1455 (compute_antic_aux): Ditto. Mark changed blocks.
1456 (compute_antic): Ditto. Iterate in postorder and only over
1458 (compute_rvuse_and_antic_safe): Reuse postorder.
1459 (create_component_ref_by_pieces): Modify for bitmapped sets.
1460 (find_or_generate_expression): Ditto.
1461 (create_expression_by_pieces): Ditto.
1462 (insert_into_preds_of_block): Ditto.
1463 (changed_blocks): New variable.
1464 (do_regular_insertion): Broken out from insert_aux.
1465 (insert_aux): Modified for bitmapped sets.
1466 (find_existing_value_expr): New function.
1467 (create_value_expr_from): Use it.
1468 (insert_extra_phis): Removed.
1469 (print_bitmap_set): Renamed from bitmap_print_value_set.
1470 (compute_avail): Handle RETURN_EXPR.
1471 (init_pre): Modify for bitmapped sets.
1472 * tree-flow.h (has_stmt_ann): New function.
1474 2006-10-29 Roger Sayle <roger@eyesopen.com>
1476 * builtins.c (fold_builtin_floor): Check for the availability of
1477 the C99 trunc function before transforming floor into trunc.
1479 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1481 * builtins.c (fold_builtin_hypot): Rearrange recursive
1482 transformation before others, and also do ABS_EXPR. When
1483 necessary, check flag_unsafe_math_optimizations. When necessary,
1486 2006-10-29 Roger Sayle <roger@eyesopen.com>
1488 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
1489 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
1490 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
1491 Fold -X eq/ne -Y as X eq/ne Y.
1493 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1495 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
1496 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
1497 rather than GENERATE_MULT3_SI in the various define_peephole2s.
1498 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
1499 Use an inclusive test for "mult" rather than "mul".
1500 (rotr<mode>3): Depend on ISA_HAS_ROR.
1501 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
1503 (GENERATE_MULT3_DI): Delete.
1504 (ISA_HAS_64BIT_REGS): Use consistent formatting.
1505 (ISA_HAS_MUL3): New macro.
1506 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
1507 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
1508 (ISA_HAS_CLZ_CLO): Likewise.
1509 (ISA_HAS_DCLZ_DCLO): Delete.
1510 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
1511 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
1512 the VR4120 and VR4130.
1513 (ISA_HAS_MACCHI): Use consistent formatting.
1514 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
1515 (ISA_HAS_ROR): ...this new macro.
1516 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
1517 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
1518 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
1520 2006-10-29 Roger Sayle <roger@eyesopen.com>
1522 PR tree-optimization/15458
1523 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
1526 2006-10-29 Richard Guenther <rguenther@suse.de>
1528 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
1529 (ix86_expand_truncdf_32): Likewise.
1530 * config/i386/i386.c (ix86_expand_trunc): New function expanding
1531 trunc inline for SSE math and -fno-trapping-math and if not
1532 optimizing for size.
1533 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
1534 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
1535 for expanding btrunc inline for SSE math.
1537 2006-10-29 Joseph Myers <joseph@codesourcery.com>
1539 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
1540 Handle tuning for bi-arch i[34567]86-*-linux* like that for
1541 i[34567]86-*-solaris2.1[0-9]*.
1542 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
1543 Define conditionally depending on TARGET_64BIT_DEFAULT.
1544 (SPEC_32, SPEC_64): Define.
1545 (LINK_SPEC): Use them.
1546 * doc/install.texi (--enable-targets=all): Document for x86-linux.
1548 2006-10-29 Richard Guenther <rguenther@suse.de>
1550 * config/i386/i386-protos.h (ix86_expand_round): Declare.
1551 (ix86_expand_rounddf_32): Likewise.
1552 * config/i386/i386.c (ix86_expand_round): New function expanding
1553 round inline for SSE math and -fno-trapping-math and if not
1554 optimizing for size.
1555 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
1556 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
1557 round via ix86_expand_round.
1559 2006-10-29 Richard Guenther <rguenther@suse.de>
1561 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
1562 (ix86_expand_floorceildf_32): Likewise.
1563 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
1564 static helper function.
1565 (ix86_expand_floorceil): Expander for floor and ceil to SSE
1567 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
1568 * config/i386/i386.md (floordf2): Adjust to enable floor
1569 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
1570 -fno-trapping-math is enabled and if not optimizing for size.
1571 (floorsf2, ceildf2, ceilsf2): Likewise.
1572 * config/i386/sse.md (sse_maskcmpsf3): New insn.
1573 (sse2_maskcmpdf3): Likewise.
1575 2006-10-29 Richard Guenther <rguenther@suse.de>
1577 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
1578 rint in case -fno-trapping-math is enabled.
1579 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
1580 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
1581 (ix86_expand_sse_fabs): Likewise.
1582 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
1583 * config/i386/i386.md (rintdf2): Enable for SSE math if
1584 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
1585 (rintsf2): Likewise.
1587 2006-10-29 Richard Guenther <rguenther@suse.de>
1589 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
1590 to conversion optabs.
1591 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
1592 as conversion optab.
1593 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
1594 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
1595 (lfloor_optab, lceil_optab): Adjust defines.
1596 * builtins.c (expand_builtin_int_roundingfn): Adjust for
1597 lfloor and lceil optabs now being conversion optabs.
1598 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
1599 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
1600 New static helper function.
1601 (ix86_expand_lfloorceil): New function to expand lfloor and
1603 * config/i386/i386.md (lfloor<mode>2): Split into ...
1604 (lfloorxf<mode>2): ... x87 variant
1605 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
1606 using ix86_expand_lfloorceil.
1607 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
1609 * doc/md.texi (lfloorMN, lceilMN): Document.
1611 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1613 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
1614 -mno-shared assembler option on mips targets.
1615 * configure, config.in: Regenerate.
1616 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
1617 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
1618 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
1620 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1622 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
1623 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
1625 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
1627 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
1628 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
1631 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1634 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
1635 (fold_builtin_pow): Evaluate constant arguments at compile-time
1637 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
1638 (do_mpfr_ckconv): New helper function.
1639 (do_mpfr_arg1): Use do_mpfr_ckconv.
1640 (do_mpfr_arg2): New.
1642 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1645 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
1646 (-fdump-rtl-sched): Rename to ..
1647 (-fdump-rtl-sched1): here. Also fix file extension number.
1649 2006-10-28 Richard Guenther <rguenther@suse.de>
1651 * fold-const.c (maybe_canonicalize_comparison): Fix code
1654 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1656 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
1657 (NON_QI_REG_P): Use IN_RANGE.
1658 (REX_INT_REGNO_P): Use IN_RANGE.
1659 (FP_REGNO_P): Use IN_RANGE.
1660 (SSE_REGNO_P): Use IN_RANGE.
1661 (REX_SSE_REGNO_P): Use IN_RANGE.
1662 (MMX_REGNO_P): Use IN_RANGE.
1663 (STACK_REGNO_P): New macro.
1664 (STACK_REG_P): Use STACK_REGNO_P.
1665 (NON_STACK_REG_P): Use STACK_REGNO_P.
1666 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
1667 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
1668 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
1669 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
1670 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
1672 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
1674 * except.h (output_function_exception_table): Add 'const char*' param.
1675 * except.c (switch_to_exception_section): Add 'const char*' param.
1676 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1677 and flag_function_sections is set, use a function-specific section.
1678 (output_function_exception_table): Add 'const char*' param.
1679 Adjust call to switch_to_exception_section.
1680 * final.c (rest_of_handle_final): Adjust calls to
1681 output_function_exception_table.
1682 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
1683 * config.in: Regenerate.
1684 * configure: Likewise.
1686 2006-10-28 Richard Guenther <rguenther@suse.de>
1689 * fold-const.c (maybe_canonicalize_comparison_1): Helper
1690 for maybe_canonicalize_comparison.
1691 (maybe_canonicalize_comparison): New function for canonicalizing
1693 (fold_comparison): Call it to canonicalize comparisons with
1696 2006-10-28 Richard Guenther <rguenther@suse.de>
1699 * builtins.c (expand_builtin_int_roundingfn_2): Expand
1700 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
1701 (expand_builtin): Adjust likewise.
1702 * genopinit.c (optabs[]): Add lround optab.
1703 * optabs.c (init_optabs): Initialize lround_optab.
1704 * optabs.h (enum convert_optab_index): Add COI_lround.
1705 (lround_optab): Define.
1706 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
1707 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
1709 (ix86_expand_lround): New function.
1710 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
1712 * doc/md.texi (lroundMN2): Document.
1714 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1717 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
1718 argument to HOST_WIDE_INT. Update function prototype.
1719 (round_frame_size): Change return type to HOST_WIDE_INT. Change
1720 "size" argument to HOST_WIDE_INT. Update function prototype.
1722 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1724 * config/i386/i386.c (output_387_ffreep): Create output from a
1725 template string for !HAVE_AS_IX86_FFREEP.
1727 2006-10-27 Eric Christopher <echristo@apple.com>
1729 * config/darwin.c: Fix formatting and grammar.
1731 2006-10-27 Jan Hubicka <jh@suse.cz>
1733 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1734 to be thrown away soon when IGNORE is set.
1735 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1736 indicating when return value shall not be computed.
1737 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1739 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1741 * config/i386/i386.h (TARGET_GEODE):
1742 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1743 (TARGET_CPU_DEFAULT_geode): New macro.
1744 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1745 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1746 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1747 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1748 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1750 (TARGET_CPU_DEFAULT_NAMES): Add geode.
1751 (processor_type): Add PROCESSOR_GEODE.
1753 * config/i386/i386.md: Include geode.md.
1756 * config/i386/i386.c (geode_cost): New initialized global
1758 (m_GEODE, m_K6_GEODE): New macros.
1759 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1760 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1761 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1762 x86_schedule): Use m_K6_GEODE instead of m_K6.
1763 (x86_movx, x86_cmove): Set up m_GEODE.
1764 (x86_integer_DFmode_moves): Clear m_GEODE.
1765 (processor_target_table): Add entry for geode.
1766 (processor_alias_table): Ditto.
1768 * config/i386/geode.md: New file.
1770 * doc/invoke.texi: Add entry about geode processor.
1772 2006-10-27 Mike Stump <mrs@apple.com>
1774 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1775 __DYNAMIC__ from here back to ...
1776 * config/darwin.h (CPP_SPEC): ... here.
1778 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1779 Nathan Sidwell <nathan@codesourcery.com>
1781 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1782 when choosing the minimum heapsize.
1784 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1786 * gcc/unwind-dw2.h: Move cfa-related variables into
1787 struct frame_state_reg_info to ensure that the CFA is properly
1788 handled when executing DW_CFA_{remember,restore}_state.
1789 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1790 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1791 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1792 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1793 gcc/config/rs6000/linux-unwind.h,
1794 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1795 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1796 Modify to use new cfa_* fields.
1798 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1800 * config/s390/s390.c (s390_init_frame_layout): Check positive
1803 2006-10-26 Ben Elliston <bje@au.ibm.com>
1805 * gimplify.c (get_name): Remove extraneous break.
1806 (gimplify_omp_for): Initialise ret with GS_OK.
1808 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1810 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1811 Add unix98.o to link line.
1813 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1816 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1817 Calculate compile-time constants using MPFR.
1818 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1819 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1821 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1823 * config/xtensa/lib2funcs.S: Use C-style comments.
1825 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1827 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1828 (file_table_relative_p): Likewise.
1829 (dwarf2out_finish): Likewise.
1830 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1832 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1834 * tree-ssa-structalias.c (intra_create_variable_infos):
1835 Don't recreate nonlocal_all if it already exists.
1837 2006-10-25 Richard Guenther <rguenther@suse.de>
1840 * optabs.h (enum optab_index): Remove OTI_lrint.
1841 (enum convert_optab_index): Add COI_lrint.
1842 (lrint_optab): Adjust.
1843 (expand_sfix_optab): Declare.
1844 * optabs.c (expand_sfix_optab): New function.
1845 (init_optabs): Init lrint_optab as conversion optab.
1846 * genopinit.c (lrint_optab): Change to a conversion optab.
1847 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1848 expansion via conversion optab.
1849 * config/i386/i386.md (*fistdi2_1): Remove
1850 flag_unsafe_math_optimizations guard.
1851 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1852 fist<mode>2_with_temp): Likewise.
1853 (lrint<mode>2): Split into...
1854 (lrintxf<mode>2): ... x87 part
1855 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1856 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1857 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1858 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1859 * doc/md.texi (lrintMN2): Document.
1861 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1864 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1865 Use inc and dec instructions for TARGET_USE_INCDEC.
1866 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1867 ("sync_double_compare_and_swap<mode>"): Likewise.
1868 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1869 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1870 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1871 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1872 ("sync_old_add<mode>"): Likewise.
1873 ("sync_lock_test_and_set<mode>"): Likewise.
1874 ("sync_lock_test_and_set<mode>"): Likewise.
1875 ("sync_add<mode>"): Likewise.
1876 ("sync_sub<mode>"): Likewise.
1877 ("sync_ior<mode>"): Likewise.
1878 ("sync_and<mode>"): Likewise.
1879 ("sync_xor<mode>"): Likewise.
1881 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1883 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
1884 (remainder_optab): Define corresponding macro.
1885 (drem_optab): Remove.
1886 * optabs.c (init_optabs): Initialize remainder_optab. Remove
1887 drem_optab initialization.
1888 * genopinit.c (optabs): Implement remainder_optab using
1889 remainder?f3 patterns. Remove drem_optab.
1890 * builtins.c (expand_builtin_mathfn_2): Handle
1891 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
1892 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
1893 expand_builtin_mathfn_2.
1895 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
1896 depend on flag_unsafe_math_optimizations.
1898 * config/i386/i386.md ("remaindersf3", "remainderdf3")
1899 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
1900 Do not depend on flag_unsafe_math_optimizations. Use
1901 truncxf?f expander instead of truncxf?f_i387_noop.
1903 ("fpremxf4", "fprem1xf4"): Do not depend on
1904 flag_unsafe_math_optimizations.
1905 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
1906 flag_unsafe_math_optimizations. Use truncxf?f expander
1907 instead of truncxf?f_i387_noop.
1909 * doc/md.texi (fmod, remainder): Document standard named pattern.
1911 2006-10-24 Richard Sandiford <richard@codesourcery.com>
1912 David Daney <ddaney@avtrex.com>
1915 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
1917 2006-10-25 Ben Elliston <bje@au.ibm.com>
1919 * doc/extend.texi (Variable Attributes): Typo fix.
1921 2006-10-24 Uros Bizjak <uros@kss-loka.si>
1923 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
1924 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
1925 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
1926 (FRAME_POINTER_REGNUM): Update register number to 21.
1927 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
1928 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
1930 * config/i386/i386.c (regclass_map): Add fpcr entry.
1931 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
1933 (print_reg): Assert REGNO (x) != FPCR_REG.
1935 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
1936 (DIRFLAG_REG): Renumber.
1937 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
1938 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
1939 (sse_prologue_save, *sse_prologue_save_insn): Renumber
1940 hardcoded SSE register numbers.
1942 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
1943 hardcoded MMX register numbers.
1945 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1948 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
1949 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
1951 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
1952 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
1953 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
1954 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
1956 2006-10-24 Richard Guenther <rguenther@suse.de>
1959 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
1960 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
1961 for deciding optimizations in consistency with fold-const.c
1962 (fold_builtin_unordered_cmp): Likewise.
1964 2006-10-24 Richard Guenther <rguenther@suse.de>
1966 * builtins.c (fold_builtin_floor): Fold floor (x) where
1967 x is nonnegative to trunc (x).
1968 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
1969 nonnegative to FIX_TRUNC_EXPR.
1971 2006-10-24 Richard Guenther <rguenther@suse.de>
1973 PR tree-optimization/29567
1974 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
1975 for TRUTH_NOT_EXPR. Clarify comments.
1977 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1980 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1981 at compile-time using MPFR. Change parameter VALUE to FUNC,
1983 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1984 for overflow and underflow at all times and avoid folding in
1987 2006-10-24 Ben Elliston <bje@au.ibm.com>
1989 * reload1.c: Formatting fixes.
1991 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1993 PR tree-optimization/14784
1994 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1995 * tree-ssa-structalias.c (get_constraint_for,
1996 intra_create_variable_infos): Set is_heapvar.
1997 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1998 non-heapvar pointer variables specially.
2000 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2003 * builtins.c (fold_builtin_sin, fold_builtin_cos,
2004 fold_builtin_tan): Fold all constant arguments. Take a "type"
2005 argument as necessary.
2006 (do_mpfr_arg1): New.
2007 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
2009 2006-10-23 Bob Wilson <bob.wilson@acm.org>
2011 * config/xtensa/lib1funcs.asm: Use C-style comments.
2013 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
2015 * tree.c (local_define_builtin): Replace calls to
2016 lang_hooks.builtin_function with add_builtin_function.
2017 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
2019 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
2021 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
2022 common code to add_builtin_function.
2023 * langhooks.c (add_builtin_function): New function.
2024 (lhd_builtin_function): New function.
2025 * langhooks.h (struct lang_hooks): Change the signature of
2027 (add_builtin_function): New function.
2028 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
2029 calls to lang_hooks.builtin_function with add_builtin_function.
2030 * c-common.c (decl_builtin_1): Replace calls to
2031 lang_hooks.builtin_function with add_builtin_function.
2032 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
2033 lang_hooks.builtin_function with add_builtin_function.
2034 * config/frv/frv.c (def_builtin): Replace calls to
2035 lang_hooks.builtin_function with add_builtin_function.
2036 * config/s390/s390.c (s390_init_builtins): Replace calls to
2037 lang_hooks.builtin_function with add_builtin_function.
2038 * config/sparc/sparc.c (def_builtin): Replace calls to
2039 lang_hooks.builtin_function with add_builtin_function.
2040 * config/i386/i386.c (def_builtin): Replace calls to
2041 lang_hooks.builtin_function with add_builtin_function.
2042 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
2043 lang_hooks.builtin_function with add_builtin_function.
2044 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
2045 lang_hooks.builtin_function with add_builtin_function.
2046 * config/stormy16/stormy16.c (xstormy16_init_builtins):
2047 Replace calls to lang_hooks.builtin_function with
2048 add_builtin_function.
2049 * config/iq2000/iq2000.c (def_builtin):
2050 Replace calls to lang_hooks.builtin_function with
2051 add_builtin_function.
2052 * config/ia64/ia64.c (def_builtin): Replace calls to
2053 lang_hooks.builtin_function with add_builtin_function.
2054 * config/rs6000/rs6000.c (def_builtin): Replace calls to
2055 lang_hooks.builtin_function with add_builtin_function.
2056 (altivec_init_builtins): Replace calls to
2057 lang_hooks.builtin_function with add_builtin_function.
2058 * config/arm/arm.c (def_mbuiltin): Replace calls to
2059 lang_hooks.builtin_function with add_builtin_function.
2060 (arm_init_tls_builtins): Replace calls to
2061 lang_hooks.builtin_function with add_builtin_function.
2062 * config/mips/mips.c (mips_init_builtins): Replace calls to
2063 lang_hooks.builtin_function with add_builtin_function.
2064 * config/bfin/bfin.c (def_builtin): Replace calls to
2065 lang_hooks.builtin_function with add_builtin_function.
2066 * langhooks-def.h (lhd_builtin_function): New function.
2067 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
2069 2006-10-23 Jakub Jelinek <jakub@redhat.com>
2071 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
2072 BUILT_IN_STRNCAT_CHK.
2074 2006-10-23 Jan Hubicka <jh@suse.cz>
2076 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
2077 don't do conversion from memmove to memcpy here.
2078 (expand_builtin_bcopy, expand_builtin): Update call of
2079 expand_builtin_memmove.
2080 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
2082 2006-10-23 Paul Brook <paul@codesourcery.com>
2084 * stor-layout.c (start_record_layout): maximum_field_alignment
2085 overrides STRUCTURE_SIZE_BOUNDARY.
2087 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
2089 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
2090 nonlocal function symbols if flag_pic.
2092 2006-10-23 Richard Guenther <rguenther@suse.de>
2096 * builtins.c (fold_binary): Remove checks for flag_wrapv
2097 and flag_trapv where negate_expr_p covers these cases.
2099 2006-10-23 Richard Guenther <rguenther@suse.de>
2102 * fold-const.c (fold_plusminus_mult_expr): Check exact power
2103 of two on the absolute value.
2104 (fold_binary): Fold x * -C to -x * C if x is easily negatable
2105 and negating -C does not overflow.
2107 2006-10-23 Richard Guenther <rguenther@suse.de>
2110 * convert.c (convert_to_real): Fold (float)-x to -(float)x
2111 only if not flag_rounding_math.
2113 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2114 Kaz Kojima <kkojima@gcc.gnu.org>
2117 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
2118 SImode memory reference for the source of a movua.
2119 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
2120 (movua): Use an unspec instead of sign_extract. Expect the source
2121 to have mode BLKmode.
2122 (extv, insv): Use a BLKmode rather than SImode memory reference
2123 for the source of a movua.
2125 2006-10-22 Jeff Law <law@redhat.com>
2126 Richard Guenther <rguenther@suse.de>
2128 PR tree-optimization/15911
2129 * tree-vrp.c (extract_code_and_val_from_cond): New function.
2130 (register_edge_assert_for_1): Likewise.
2131 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
2132 (find_conditional_asserts): Adjust for new function signature.
2133 (find_assert_locations): Likewise.
2135 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2137 * config/i386/tmmintrin.h: Remove the duplicated content.
2139 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2141 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
2142 (x86_64-*-*): Likewise.
2144 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
2145 (override_options): Check SSSE3.
2146 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
2147 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
2148 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
2149 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
2150 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
2151 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
2152 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
2153 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
2154 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
2155 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
2156 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
2157 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
2158 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
2159 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
2160 IX86_BUILTIN_PABSD128.
2161 (bdesc_2arg): Add SSSE3.
2162 (bdesc_1arg): Likewise.
2163 (ix86_init_mmx_sse_builtins): Support SSSE3.
2164 (ix86_expand_builtin): Likewise.
2165 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
2167 * config/i386/i386.md (UNSPEC_PSHUFB): New.
2168 (UNSPEC_PSIGN): Likewise.
2169 (UNSPEC_PALIGNR): Likewise.
2170 Include mmx.md before sse.md.
2172 * config/i386/i386.opt: Add -mssse3.
2174 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
2175 (ssse3_phaddwv4hi3): Likewise.
2176 (ssse3_phadddv4si3): Likewise.
2177 (ssse3_phadddv2si3): Likewise.
2178 (ssse3_phaddswv8hi3): Likewise.
2179 (ssse3_phaddswv4hi3): Likewise.
2180 (ssse3_phsubwv8hi3): Likewise.
2181 (ssse3_phsubwv4hi3): Likewise.
2182 (ssse3_phsubdv4si3): Likewise.
2183 (ssse3_phsubdv2si3): Likewise.
2184 (ssse3_phsubswv8hi3): Likewise.
2185 (ssse3_phsubswv4hi3): Likewise.
2186 (ssse3_pmaddubswv8hi3): Likewise.
2187 (ssse3_pmaddubswv4hi3): Likewise.
2188 (ssse3_pmulhrswv8hi3): Likewise.
2189 (ssse3_pmulhrswv4hi3): Likewise.
2190 (ssse3_pshufbv16qi3): Likewise.
2191 (ssse3_pshufbv8qi3): Likewise.
2192 (ssse3_psign<mode>3): Likewise.
2193 (ssse3_psign<mode>3): Likewise.
2194 (ssse3_palignrti): Likewise.
2195 (ssse3_palignrdi): Likewise.
2196 (abs<mode>2): Likewise.
2197 (abs<mode>2): Likewise.
2199 * config/i386/tmmintrin.h: New file.
2201 * doc/extend.texi: Document SSSE3 built-in functions.
2203 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
2205 2006-10-22 Ira Rosen <irar@il.ibm.com>
2207 * tree-vect-transform.c (vectorizable_load): Use the type of the
2208 return value of the mask_for_load builtin to create realign_load
2211 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2213 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
2216 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
2218 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
2219 (UNSPEC_LDDQU): This.
2220 * config/i386/sse.md (sse3_lddqu): Updated.
2222 2006-10-21 Richard Guenther <rguenther@suse.de>
2224 * builtins.c (expand_builtin_int_roundingfn_2): New function.
2225 (expand_builtin): Use it to expand lrint instead of
2226 expand_builtin_mathfn.
2228 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2231 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
2232 flag_unsafe_math_optimizations is set.
2234 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2237 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
2238 patterns to use memory input operand in x87->mem->XMM
2239 reload sequences. Skip transformation for TARGET_K8.
2241 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2243 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
2244 force operand1 to register if both operands are memory operands.
2245 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
2246 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
2247 if both operands are memory operands.
2248 (truncdfsf2): Do not force operand1 to register if both operands
2249 are memory operands.
2251 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2253 * Makefile.in (LIBS): Add $(GMPLIBS).
2254 * doc/install.texi: Update GMP and MPFR requirements.
2255 * doc/sourcebuild.texi (need_gmp): Delete.
2257 2006-10-21 Richard Guenther <rguenther@suse.de>
2259 PR tree-optimization/3511
2260 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
2261 got new invariant arguments during PHI translation.
2263 2006-10-21 Richard Guenther <rguenther@suse.de>
2266 * fold-const.c (fold_comparison): Fold signed comparisons
2267 of the form X +- C1 CMP Y +- C2.
2269 2006-10-21 Richard Guenther <rguenther@suse.de>
2272 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
2273 if flag_unsafe_math_optimizations is specified. We have
2274 flag_finite_math_only for that.
2275 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
2276 or flag_unsafe_math_optimizations.
2278 2006-10-21 Richard Guenther <rguenther@suse.de>
2280 * builtins.c (fold_builtin_classify): Fix typo.
2282 2006-10-21 Richard Guenther <rguenther@suse.de>
2285 * simplify-rtx.c (simplify_const_relational_operation):
2286 Do not constant-fold ORDERED and UNORDERED for
2287 flag_unsafe_math_optimizations but only we do not need to
2288 honor NaNs for the given mode.
2290 2006-10-21 Richard Guenther <rguenther@suse.de>
2293 * config/i386/i386.c (classify_argument): Remove redundant
2294 walking of the BINFOs.
2295 (contains_128bit_aligned_vector_p): Likewise.
2297 2006-10-20 Mark Mitchell <mark@codesourcery.com>
2299 * BASE-VER: Set to 4.3.0.
2301 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
2303 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
2304 (tree_decl_with_vis): Remove artificial_pta_var flag.
2305 * tree-flow.h (referenced_var_check_and_insert): Expose.
2306 (nonlocal_all): New prototype.
2307 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
2308 (nonlocal_all): Make global.
2309 (nonlocal_lookup): Remove.
2310 (nonlocal_insert): Ditto.
2311 (create_nonlocal_var): Do not call nonlocal_insert.
2312 (get_nonlocal_id_for_type): Remove.
2313 (find_global_initializers): Mark new vars we find for renaming.
2314 (intra_create_variable_infos): Only create one nonlocal.
2315 (expand_nonlocal_solutions): Remove.
2316 (compute_points_to_sets): Don't call it.
2317 (ipa_pta_execute): Ditto.
2318 (init_alias_heapvars): Don't create nonlocal_for_type.
2319 (delete_alias_heapvars): Don't remove it.
2320 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
2323 2006-10-19 Brooks Moses <bmoses@stanford.edu>
2325 * doc/install.texi (Downloading GCC): Clarify mention of
2326 Fortran in the "full distribution" description.
2328 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
2330 Fix PR tree-optimization/28778
2331 Fix PR tree-optimization/29156
2332 Fix PR tree-optimization/29415
2333 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
2334 (tree_decl_with_vis): Add artificial_pta_var flag.
2335 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
2336 pushed into callers.
2337 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
2338 (nonlocal_all): Ditto.
2339 (struct variable_info): Add directly_dereferenced member.
2340 (var_escaped_vars): New variable.
2341 (escaped_vars_tree): Ditto.
2342 (escaped_vars_id): Ditto.
2343 (nonlocal_vars_id): Ditto.
2344 (new_var_info): Set directly_dereferenced.
2345 (graph_size): New variable
2346 (build_constraint_graph): Use graph_size.
2347 (solve_graph): Don't process constraints that cannot change the
2348 solution, don't try to propagate an empty solution to our
2350 (process_constraint): Set directly_dereferenced.
2351 (could_have_pointers): New function.
2352 (get_constraint_for_component_ref): Don't process STRING_CST.
2353 (nonlocal_lookup): New function.
2354 (nonlocal_insert): Ditto.
2355 (create_nonlocal_var): Ditto.
2356 (get_nonlocal_id_for_type): Ditto.
2357 (get_constraint_for): Allow results vector to be empty in the case
2358 of string constants.
2359 Handle results of calls properly.
2360 (update_alias_info): Update alias info stats on number and type of
2362 (find_func_aliases): Use could_have_pointers.
2363 (make_constraint_from_escaped): Renamed from
2364 make_constraint_to_anything, and changed to make constraints from
2366 (make_constraint_to_escaped): New function.
2367 (find_global_initializers): Ditto.
2368 (create_variable_info_for): Make constraint from escaped to any
2369 global variable, and from any global variable to the set of
2371 (intra_create_variable_infos): Deal with escaped instead of
2372 pointing to anything.
2373 (set_uids_in_ptset): Do type pruning on directly dereferenced
2375 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
2376 (init_base_vars): Fix comment, and initialize escaped_vars.
2377 (need_to_solve): Removed.
2378 (find_escape_constraints): New function.
2379 (expand_nonlocal_solutions): Ditto.
2380 (compute_points_to_sets): Call find_escape_constraints and
2381 expand_nonlocal_solutions.
2382 (delete_points_to_sets): Don't fall off the end of the graph.
2383 (init_alias_heapvars): Initialize nonlocal_for_type and
2385 (delete_alias_heapvars): Free nonlocal_for_type and null out
2388 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
2390 * fold-const.c (add_double): Rename to add_double_with_sign.
2391 Add 'unsigned_p' parameter and take it into account for the overflow.
2392 (mul_double): Rename to mul_double_with_sign.
2393 Add 'unsigned_p' parameter and take it into account for the overflow.
2394 (fold_div_compare): Call add_double_with_sign instead of add_double
2395 and mul_double_with_sign instead of mul_double, passing them the
2396 unsignedness of the type.
2397 * tree.h (add_double): Macroize.
2398 (add_double_with_sign): New prototype.
2399 (mul_double): Macroize.
2400 (mul_double_with_sign): New prototype.
2402 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
2404 * config/score/crti.asm: New file.
2405 * config/score/crtn.asm: New file.
2406 * config/score/elf.h: New file.
2407 * config/score/mac.md: New file.
2408 * config/score/misc.md: New file.
2409 * config/score/mul-div.S: New file.
2410 * config/score/predicates.md: New file.
2411 * config/score/score7.md: New file.
2412 * config/score/score.c: New file.
2413 * config/score/score-conv.h: New file.
2414 * config/score/score.h: New file.
2415 * config/score/score.md: New file.
2416 * config/score/score-mdaux.c: New file.
2417 * config/score/score-mdaux.h: New file.
2418 * config/score/score-modes.def: New file.
2419 * config/score/score.opt: New file.
2420 * config/score/score-protos.h: New file.
2421 * config/score/score-version.h: New file.
2422 * config/score/t-score-elf: New file.
2423 * config.gcc: Add score*-*-* configurations(Update before).
2424 * doc/invoke.texi (Score Options): New section.
2425 * doc/md.texi (Score family): New section to document constraints.
2427 2006-10-19 Nick Clifton <nickc@redhat.com>
2429 * config/arm/arm.c: Fix spelling typo.
2431 2006-10-18 Tom Tromey <tromey@redhat.com>
2433 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
2435 2006-10-18 Jan Hubicka <jh@suse.cz>
2438 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
2441 2006-10-18 Marcin Dalecki <martin@dalecki.de>
2443 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
2444 TSI_SAME_STMT, since that's the desired entity.
2446 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
2448 * config/s390/contraints.md: New file.
2449 * config/s390/s390-protos.h (s390_mem_constraint,
2450 s390_O_constraint_str, s390_N_constraint_str,
2451 s390_float_const_zero_p): Function prototypes added.
2452 * config/s390/s390.c (s390_extra_constraint_str,
2453 s390_const_double_ok_for_constraint_p,
2454 s390_const_ok_for_constraint_p): Functions removed.
2455 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
2456 s390_float_const_zero_p): New functions.
2457 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
2458 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
2459 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
2460 Macro definitions removed.
2461 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
2462 s390_extra_constraint_str): Functions removed.
2464 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
2465 Richard Sandiford <richard@codesourcery.com>
2468 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
2469 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
2471 2006-10-16 Geoffrey Keating <geoffk@apple.com>
2473 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
2474 (DWARF2_FRAME_REG_OUT): Likewise.
2475 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
2476 (DWARF2_FRAME_REG_OUT): Likewise.
2478 2006-10-17 Paul Brook <paul@codesourcery.com>
2480 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
2482 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2484 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
2485 Standardize on "GNU Fortran" as the official name of the Fortran
2488 2006-10-16 Mike Stump <mrs@apple.com>
2490 * doc/invoke.texi (Darwin Options): Document -mkernel.
2491 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
2493 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
2494 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
2495 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
2496 (OS_MISSING_ALTIVEC): Add.
2497 * config/i386/i386.c (override_options): Add
2498 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
2499 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
2500 -mkernel, -static or -mdynamic-no-pic is given.
2501 (C_COMMON_OVERRIDE_OPTIONS): Add.
2502 * config/darwin.opt (fapple-kext): Add.
2504 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
2505 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
2507 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
2508 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
2509 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
2510 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
2511 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
2512 (flag_mkernel): Add.
2513 (flag_apple_kext): Add.
2514 (TARGET_KEXTABI): Add.
2515 * config/darwin.c (darwin_handle_kext_attribute): Add.
2516 (DARWIN_VTABLE_P): Add.
2517 (darwin_binds_local_p): Add partial support for rebinding vtables
2519 (darwin_kextabi_p): Add.
2520 (darwin_override_options): Add.
2521 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
2522 (darwin_kextabi_p): Add.
2523 (darwin_override_options): Add.
2524 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
2525 __DYNAMIC__ and __STATIC__ here.
2527 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2529 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
2530 Added mention of "make pdf" target, and Texinfo requirements for
2533 2006-10-16 DJ Delorie <dj@redhat.com>
2535 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
2536 into the GOT in case we need a subreg of the address.
2538 2006-10-16 Richard Guenther <rguenther@suse.de>
2541 * doc/extend.texi (X86 Built-in Functions): Fix typos in
2542 SSE builtin documentation. Document SSE2 builtins.
2544 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2546 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
2547 symbol in the output file for non-shared links when -nostdlib or
2548 -nodefaultlibs isn't specified.
2550 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
2551 posix thread support.
2553 2006-10-15 Jan Hubicka <jh@suse.cz>
2556 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
2557 declared always_inline even when not inlining.
2559 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2560 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2561 Andrew Pinski <pinskia@gmail.com>
2564 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
2566 2006-10-15 Jan Hubicka <jh@suse.cz>
2567 Richard Guenther <rguenther@suse.de>
2570 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
2571 process_function_and_variable_attributes on all variables, including
2572 those discovered during cgraph construction phase.
2574 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
2576 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
2578 2006-10-14 Uros Bizjak <uros@kss-loka.si>
2580 * config/i386/athlon.md (athlon_fist): Add fisttp.
2582 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2583 Ian Lance Taylor <ian@airs.com>
2586 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
2587 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
2590 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
2592 * config/score/score.c, config/score/score.h: Fix comment
2595 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2598 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
2601 2006-10-13 Eric Christopher <echristo@apple.com>
2603 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2605 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2608 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2609 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2610 alignment supported by 32-bit ELF.
2612 2006-10-13 Eric Christopher <echristo@apple.com>
2614 * config/darwin.c (darwin_emit_unwind_label): Strip
2615 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
2617 2006-10-13 Richard Guenther <rguenther@suse.de>
2619 PR tree-optimization/29446
2620 * tree-vrp.c (fix_equivalence_set): Remove.
2621 (extract_range_from_assert): Do not call fix_equivalence_set.
2622 (debug_value_range): Print a newline.
2623 (compare_name_with_value): For equivalence sets with
2624 inconsistent value ranges conservatively bail out.
2625 (compare_names): Likewise.
2627 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2629 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
2630 and MPFR for gfortran.
2632 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2634 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2635 alignment supported by 32-bit ELF.
2637 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
2641 * c-typeck.c (digest_init): Always allow initializing vectors
2642 that have static storage duration with compound literals.
2643 * tree.c (build_type_attribute_qual_variant): New, based on
2644 build_type_attribute_variant.
2645 (build_type_attribute_variant): Rewrite using the former.
2646 (make_vector_type): Use build_type_attribute_qual_variant to build
2647 type variants. Use type_hash_canon on the others.
2649 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
2650 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
2652 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
2654 2006-10-12 Jan Hubicka <jh@suse.cz>
2657 * c-decl.c (c_make_fname_decl): Do not segfault in case where
2658 current_function_decl is set but current_function_scope is not.
2660 2006-10-12 Jie Zhang <jie.zhang@analog.com>
2662 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
2663 emit_insn to emit eh_return_internal instruction.
2664 (eh_return_internal): Explicitly set pc.
2666 2006-10-11 Richard Guenther <rguenther@suse.de>
2668 PR tree-optimization/28230
2669 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
2670 to the correct place.
2672 2006-10-11 Richard Guenther <rguenther@suse.de>
2675 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
2678 2006-10-10 Brooks Moses <bmoses@stanford.edu>
2680 * configure.ac: Added pdf to "Make-hooks"
2681 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
2682 targets and *.pdf file patterns in cleanup targets.
2683 * configure: Regenerated.
2685 2006-10-10 Anatoly Sokolov <aesok@post.ru>
2687 * config/avr/predicates.md: New file.
2688 * config/avr/avr.md: Include it.
2689 (REG_SP): New constant.
2690 (peepholes): Use predicates.
2691 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
2692 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
2693 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
2695 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
2697 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
2700 2006-10-10 Jakub Jelinek <jakub@redhat.com>
2703 * builtins.c (var_decl_component_p): New function.
2704 (fold_builtin_memset, fold_builtin_memory_op): Restrict
2705 single entry optimization to variables and components thereof.
2707 2006-10-10 Richard Guenther <rguenther@suse.de>
2709 PR rtl-optimization/29323
2710 * except.c (set_nothrow_function_flags): For functions
2711 that do not bind local bail out early.
2713 2006-10-10 Ben Elliston <bje@au.ibm.com>
2715 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
2718 2006-10-09 Richard Henderson <rth@redhat.com>
2720 Revert emutls patch.
2722 2006-10-09 Richard Guenther <rguenther@suse.de>
2725 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
2728 2006-10-09 Steve Ellcey <sje@cup.hp.com>
2731 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2732 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2733 * configure: Regenerate.
2734 * config.in: Regenerate.
2736 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2738 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2740 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2742 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2743 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2744 Remove stray newline.
2746 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2748 * config/mips/mips.c (mips_classify_symbol): Do not return
2749 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2750 (mips_in_small_data_p): Tweak comments.
2752 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2754 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2756 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
2758 * gimplify.c, sched-int.h: Fix comment typos.
2760 * sched-int.h: Fix comment typos.
2762 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2764 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2766 * sched-ebb.c (begin_schedule_ready): Use them.
2767 * haifa-sched.c (schedule_insn, move_insn, try_ready,
2768 add_to_speculative_block, create_check_block_twin, speculate_insn,
2769 fix_jump_move, move_block_after_check): Ditto.
2770 * sched-rgn.c (new_ready): Ditto.
2772 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2774 PR rtl-optimization/29128
2775 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2776 * sched-ebb.c (advance_target_bb): Use it to fix condition to
2777 allow interblock movement of speculation checks.
2779 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2782 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2783 casted to integer type.
2784 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2785 if they are significantly more expensive than [reg + index] ones.
2787 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2789 PR tree-optimization/29330
2790 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2791 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2792 on newly allocated ddrs.
2793 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2794 to VEC (loop_p, heap) pointer.
2795 (compute_data_dependences_for_loop): Adjust caller.
2796 (free_dependence_relations): Free DDR_LOOP_NEST.
2798 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2799 free DEPENDENCE_RELATIONS and DATAREFS.
2802 * builtins.c (expand_builtin_sync_operation,
2803 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2804 Use convert_to_mode to handle promoted arguments.
2806 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2808 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2810 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2812 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2814 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2816 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2817 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2818 Use <modeconstraint> instead of "r" as operand 1 constraint.
2820 2006-10-06 Olivier Hainque <hainque@adacore.com>
2822 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2823 Don't recurse on the pointed-to type.
2824 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2825 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2826 types with components of variable size.
2828 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2830 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2832 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2834 PR tree-optimization/29290
2835 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2839 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2840 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2843 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2844 the number of vector elements fill the rest with zeros.
2846 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2848 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2849 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2852 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2854 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2855 unnamed pattern into subsi3. Use correct constraints/predicates.
2856 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2857 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2859 2006-10-05 Ira Rosen <irar@il.ibm.com>
2861 * doc/loop.texi: Add data references analysis description.
2863 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2865 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2867 2006-10-04 Richard Henderson <rth@redhat.com>
2868 Jakub Jelinek <jakub@redhat.com>
2870 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2871 * builtin-types.def (BT_WORD): Make unsigned.
2872 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2873 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2874 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2875 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2876 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2877 * cgraph.c (decide_is_variable_needed): Look at force_output.
2878 Recurse for emulated tls.
2879 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2880 checks redundant with decide_is_variable_needed.
2881 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
2882 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2884 * expr.c (emutls_var_address): New.
2885 (expand_expr_real_1): Expand emulated tls.
2886 (expand_expr_addr_expr_1): Likewise.
2887 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2888 * output.h (emutls_finish): Declare.
2889 * toplev.c (compile_file): Call it.
2890 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2891 address before wrapping in CONST.
2892 * varasm.c (emutls_htab, emutls_object_type): New.
2893 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2894 (get_emutls_object_name, get_emutls_object_type): New.
2895 (get_emutls_init_templ_addr, emutls_decl): New.
2896 (emutls_common_1, emutls_finish): New.
2897 (assemble_variable): When emulating tls, swap decls; generate
2898 constructor for the emutls objects.
2899 (do_assemble_alias): When emulating tls, swap decl and target name.
2900 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2902 * emutls.c: New file.
2903 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2904 tls_object for real tls.
2906 2006-10-04 Zack Weinberg <zackw@panix.com>
2908 Fix bug in constraint-check generator, reported by Rask Ingemann
2910 * genpreds.c (add_constraint): Don't remove anything from the
2912 (write_tm_constrs_h): Detect whether "op" argument is used, and
2913 mark it ARG_UNUSED if it isn't.
2914 (write_insn_const_int_ok_for_constraint): Skip the part of the
2915 expression that would test whether "op" (which is not available
2916 here) is a CONST_INT.
2918 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
2921 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2923 2006-10-03 Geoffrey Keating <geoffk@apple.com>
2925 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
2926 current Leopard versions.
2927 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2929 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
2931 * doc/install.texi: Fix typos.
2933 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2935 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
2936 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
2937 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2939 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
2941 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
2942 arg to be struct mach_header_64* instead.
2944 2006-10-02 Jakub Jelinek <jakub@redhat.com>
2947 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
2948 side effects after the outer expression's post side effects.
2950 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
2952 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
2953 comments to reflect actual behavior and relationship between
2954 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
2956 * doc/c-tree.texi (Working with declarations): Fix documentation
2957 of FIELD_DECL likewise.
2959 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
2962 * doc/extend.texi: Add used variable attribute description.
2964 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
2967 * c.opt (Woverride-init): New.
2968 * c-opts.c (c_common_post_options): Default warn_override_init to
2970 * c-typeck.c (add_pending_init, output_init_element): Warn for
2971 overriding initializers without side effects.
2972 * doc/invoke.texi (-Woverride-init): Document.
2975 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2977 PR rtl-optimization/28096
2978 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2979 assignment has already been used as a destination earlier in the block.
2981 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2983 * builtins.c (expand_builtin_setjmp): Delete.
2984 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2985 <BUILT_IN_SETJMP_SETUP>: New case.
2986 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2987 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2988 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2989 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2990 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2991 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2992 (lower_function_body): Initialize it to false. If it is set to true
2993 at the end of the processing, emit the setjmp dispatcher.
2994 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2995 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2996 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2997 on the rhs of the assignment.
2998 (lower_builtin_setjmp): New function.
2999 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
3000 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
3001 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
3002 to detect calls that can go to non-local labels. Use specific
3003 helper to create the abnormal edges associated with them.
3004 <MODIFY_EXPR>: Likewise.
3005 (make_abnormal_goto_edges): New function extracted from...
3006 (make_goto_expr_edges): ...here. Call it for computed gotos.
3007 (simple_goto_p): Minor tweak.
3008 (tree_can_make_abnormal_goto): New predicate.
3009 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
3010 (tree_purge_dead_abnormal_call_edges): New function.
3011 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
3012 (tree_purge_dead_abnormal_call_edges): Likewise.
3013 (make_abnormal_goto_edges): Likewise.
3014 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
3015 Purge all dead abnormal edges if the call was in the last statement.
3016 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
3017 (execute_fixup_cfg): If there are non-local labels in the function,
3018 scan the basic blocks and split them at calls that can go to non-local
3019 labels or add missing abnormal call edges. Write down the CFG in the
3021 (pass_fixup_cfg): Remove TODO_dump_func flag.
3022 * unwind-sjlj.c: Poison setjmp.
3023 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
3024 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
3025 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
3026 (DONT_USE_BUILTIN_SETJMP): Document it.
3028 2006-09-28 Geoffrey Keating <geoffk@apple.com>
3031 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
3032 to 1 when __ppc64__ is defined.
3033 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
3035 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
3037 2006-09-28 Steve Ellcey <sje@cup.hp.com>
3039 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
3040 * config/ia64/unwind-hpux.c: Delete.
3042 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
3044 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
3045 on the element before gimplifying it, instead of punting if it is of
3048 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
3050 * doc/loop.texi: New file.
3051 * doc/gccint.texi: Reference loop.texi.
3052 * Makefile.in (loop.texi): Add.
3054 2006-09-27 Geoffrey Keating <geoffk@apple.com>
3056 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
3058 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3059 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3061 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
3063 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
3065 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
3067 * doc/install.texi: Document required versions of GMP and MPFR.
3069 2006-09-27 Paul Brook <paul@codesourcery.com>
3072 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
3074 2006-09-27 Richard Sandiford <richard@codesourcery.com>
3076 * reload1.c (alter_reg): Require the alignment of the stack slot to
3077 be at least reg_max_ref_width bytes.
3078 (scan_paradoxical_subregs): Record the largest width in
3081 2006-09-26 Jakub Jelinek <jakub@redhat.com>
3085 * tree-nested.c (struct nesting_info): Added static_chain_added.
3086 (convert_call_expr): Set static_chain_added when adding static
3087 chain. Handle OMP_PARALLEL and OMP_SECTION.
3089 2006-09-25 Matthias Klose <doko@debian.org>
3091 * doc/invoke.texi: Add missing full stop.
3093 2006-09-25 Richard Henderson <rth@redhat.com>
3095 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
3096 before cgraph_function_flags_ready.
3098 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
3099 Adam Nemet <anemet@caviumnetworks.com>
3101 * tree-ssa-loop-ivopts.c (aff_combination_convert,
3102 determine_common_wider_type): New functions.
3103 (get_computation_aff): Use them to simplify arithmetic between
3104 UBASE and CBASE if they are shortened from the same type.
3106 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
3109 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
3110 -2147483647 - 1 instead of 0x80000000.
3112 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
3114 * flags.h (HONOR_NANS): Fix typo in comment.
3116 2006-09-23 Uros Bizjak <uros@kss-loka.si>
3118 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
3120 2006-09-23 Jakub Jelinek <jakub@redhat.com>
3124 * tree.c (merge_attributes, attribute_list_contained): If both
3125 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
3127 * c-typeck.c (comptypes_internal): Don't consider aggregates
3128 in different TUs as compatible if there one set of attributes is
3129 not a subset of the other type's attributes.
3130 (composite_type): Try harder not to create a new aggregate type.
3132 2006-09-22 Geoffrey Keating <geoffk@apple.com>
3134 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
3135 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
3136 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
3137 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
3138 than replicating condition above.
3139 * config.host (i[34567]86-*-*): Always use driver-i386.o.
3141 * config/darwin.h (LINK_SYSROOT_SPEC): New.
3142 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
3143 the linker by default.
3145 2006-09-22 Mike Stump <mrs@apple.com>
3147 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
3150 2006-09-22 Richard Guenther <rguenther@suse.de>
3153 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
3154 sort of stack variables stable.
3156 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
3159 * explow.c (force_reg): Set REG_POINTER flag according to
3162 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
3164 PR tree-optimization/28888
3165 * tree-if-conv.c (combine_blocks): Rewritten.
3166 * tree-cfg.c (tree_verify_flow_info): Check that edges with
3167 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
3169 2006-09-22 Jakub Jelinek <jakub@redhat.com>
3171 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
3174 2006-09-21 Richard Sandiford <richard@codesourcery.com>
3176 * varasm.c (copy_constant): Fix reversed gcc_assert check.
3178 2006-09-21 Janis Johnson <janis187@us.ibm.com>
3180 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
3182 2006-09-21 Roger Sayle <roger@eyesopen.com>
3185 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
3186 dw_fde_current_label, to be the start of the function, i.e. the same
3187 value as dw_fde_begin.
3189 2006-09-20 Richard Sandiford <richard@codesourcery.com>
3191 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
3192 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
3193 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
3194 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
3195 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
3196 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
3197 (abs<mode>2, neg<mode>2): Likewise.
3198 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
3199 (*mips_abs_ps): New define_insn.
3201 2006-09-20 Josh Conner <jconner@apple.com>
3204 * calls.c (expand_call): Allow reuse of structure return stack
3207 2006-09-20 Paul Brook <paul@codesourcery.com>
3209 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
3212 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3214 * doc/extend.texi (Decimal Float): Update for latest draft TR,
3215 clean up terminology.
3217 2006-09-20 Steve Ellcey <sje@cup.hp.com>
3220 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
3221 with tablejumps in them.
3223 2006-09-20 Jakub Jelinek <jakub@redhat.com>
3226 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
3227 wrap it into TARGET_EXPR.
3229 2006-09-20 Eric Christopher <echristo@apple.com>
3231 * config/i386/i386.c (x86_fisttp): Remove.
3232 * config/i386/i386.h (x86_fisttp): Ditto.
3233 (TARGET_FISTTP): Ditto.
3235 2006-09-19 Eric Christopher <echristo@apple.com>
3237 * doc/tm.texi (OBJC_JBLEN): Describe.
3238 * config/i386/darwin.h (OBJC_JBLEN): Define.
3239 * config/rs6000/darwin.h: Ditto.
3241 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
3243 PR rtl-optimization/21299
3244 * reload1.c (reload): Purge invalid ASMs in the final pass.
3246 2006-09-19 Steve Ellcey <sje@cup.hp.com>
3249 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
3250 pointers as legitimate constants.
3252 2006-09-19 Paul Brook <paul@codesourcery.com>
3255 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
3257 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
3259 PR tree-optimization/28887
3260 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
3261 component parts from the reference.
3262 (gather_memory_references_ref): Record the reference without the
3263 nonaddressable component parts.
3265 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
3268 * c-opts.c (c_common_handle_option): Ignore the -std options
3269 if the input language is assembly.
3271 2006-09-17 Ira Rosen <irar@il.ibm.com>
3274 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
3276 (ptr_ptr_may_alias_p): Likewise.
3277 (record_record_differ_p): New function.
3278 (base_object_differ_p): Call record_record_differ_p.
3280 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3283 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
3284 away for the expr argument.
3286 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3289 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
3290 before using it for dumping after vectorizing loops.
3292 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3293 Jack Howarth <howarth@bromo.med.uc.edu>
3296 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
3297 skip on error_mark_node.
3298 (rs6000_darwin64_record_arg_recurse): Likewise.
3300 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3302 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
3303 * doc/rtl.texi: Remove related documentation.
3305 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
3307 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
3310 2006-09-15 Jim Wilson <wilson@specifix.com>
3312 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
3313 Handle symbol offsets same as they are handled in ia64_expand_move
3316 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
3318 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
3319 Add forgotten parameter to the fprintf call.
3321 2006-09-15 Steve Ellcey <sje@cup.hp.com>
3323 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
3325 2006-09-15 Uros Bizjak <uros@kss-loka.si>
3327 * doc/contrib.texi: Add my entry.
3329 2006-09-15 Nick Clifton <nickc@redhat.com>
3331 * doc/md.texi (Processor pipeline description): Fix typo in
3332 example of how to use the absence_set directive and reword the
3333 description to make it slightly easier to read.
3335 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3337 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
3338 * loop-doloop.c (doloop_optimize): Use it to limit costs of
3339 expanding the number of iterations.
3340 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
3342 * cfgrtl.c (emit_insn_at_entry): New function.
3343 * rtl.h (emit_insn_at_entry): Declare it.
3344 * integrate.c (emit_initial_value_sets): Use it.
3346 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
3348 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
3350 (struct loop_work and related VEC declarations): Delete.
3351 (bfin_dump_loops): Print out new member bad.
3352 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
3353 (bfin_scan_loop): Don't recurse.
3354 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
3355 loops. No longer need to update outer loops if the current one is
3356 found bad. Move some validitiy checks to bfin_discover_loop.
3357 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
3358 but changed not to check for nesting. Also changed to use the new bad
3360 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
3361 time. Use bitmap based test to discover loop nesting.
3363 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
3365 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
3368 2006-09-14 Richard Guenther <rguenther@suse.de>
3369 Kazu Hirata <kazu@codesourcery.com>
3371 PR middle-end/28884.
3372 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
3373 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
3374 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
3375 with TARGET_FUNCTION_VALUE.
3377 2006-09-14 Anatoly Sokolov <aesok@post.ru>
3380 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
3382 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
3384 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
3387 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3390 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
3393 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3395 * basic_block.h (bb_has_eh_pred): Fix comment.
3397 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3399 * flow.c (calculate_global_regs_live): Invalidate eh registers
3400 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
3401 (propagate_block): Handle eh registers as if they were set at basic
3403 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
3405 * global.c (global_conflicts): Make eh registers to conflict with
3406 pseudos live at basic block begin.
3407 * basic_block.h (bb_has_eh_pred): New function.
3409 2006-09-13 Richard Sandiford <richard@codesourcery.com>
3411 PR rtl-optimization/28982
3412 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
3413 index of a PRE_MODIFY or POST_MODIFY address.
3414 * reload1.c (inc_for_reload): Use find_replacement on the original
3415 base and index registers.
3417 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
3419 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
3420 for -Os. Update __m128 alignment requirement.
3422 2006-09-13 Jan Hubicka <jh@suse.cz>
3424 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
3426 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3428 PR rtl-optimization/28243
3429 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3430 the insn to which the note was originally attached.
3432 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3433 Roger Sayle <roger@eyesopen.com>
3435 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
3436 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
3437 on platforms that don't use dwarf for debug info.
3439 2006-09-12 Jason Merrill <jason@redhat.com>
3442 * builtins.c (expand_builtin_setjmp_receiver): Clobber
3443 hard_frame_pointer_rtx after using it to update the frame pointer.
3445 2006-09-12 Roger Sayle <roger@eyesopen.com>
3447 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
3448 (TARGET_ASM_CLOSE_PAREN): Likewise.
3449 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
3450 (TARGET_ASM_CLOSE_PAREN): Likewise.
3452 2006-09-12 Roger Sayle <roger@eyesopen.com>
3455 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
3456 frame information for frames larger than 512 Kbytes on Tru64 when
3457 using the native assembler.
3459 2006-09-12 Roger Sayle <roger@eyesopen.com>
3463 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
3464 and symbols. Instead use the implementation from cse.c's hash_rtx.
3466 2006-09-12 Jan Hubicka <jh@suse.cz>
3468 PR rtl-optimization/28071
3469 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
3470 (vect_transform_loop): Likewise.
3471 * tree-vectorizer.c (new_loop_vec_info): Likewise.
3472 (new_loop_vec_info): Likewise.
3473 (destroy_loop_vec_info): Likewise.
3474 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
3475 (create_stmt_ann): Likewise.
3476 (create_tree_ann): Rename to ...
3477 (create_tree_common_ann): ... this one; allocate only the common part
3479 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
3480 (get_value_handle): Likewise.
3481 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
3482 get_tree_common_ann.
3483 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
3484 (vinfo_for_stmt): Use stmt annotations.
3485 * tree-flow.h (tree_ann_common_t): New type.
3486 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
3487 (tree_ann, get_tree_ann, create_tree_ann): New.
3488 * tree-flow-inline.h (get_function_ann): Do more type checking.
3489 (stmt_ann): Likewise.
3490 (tree_ann): Rename to ...
3491 (tree_common_ann): ... this one; return ony common_ann
3492 (get_tree_ann): Rename to ...
3493 (tree_common_ann): This one; return only common_ann.
3494 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
3497 2006-09-11 Geoffrey Keating <geoffk@apple.com>
3499 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
3500 with_cpu by default.
3502 * dwarf2out.c (dwarf_file_data): New.
3503 (enum dw_val_class): Add dw_val_class_file.
3504 (struct dw_val_struct): Add val_file.
3505 (file_table): Change to a hash table.
3506 (file_table_emitted): Delete.
3507 (file_table_last_lookup_index): Delete.
3508 (emitcount): Delete.
3509 (last_emitted_file): New.
3510 (lookup_filename): Change prototype to return a struct dwarf_file_data.
3511 (init_file_table): Delete.
3512 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
3513 (AT_addr): Add comment.
3517 (print_die): Handle dw_val_class_file.
3518 (print_dwarf_line_table): Update for new file table structure.
3519 (attr_checksum): Do checksum a filename.
3520 (same_dw_val_p, same_attr_p): Do compare a filename.
3521 (size_of_die): Handle dw_val_class_file.
3522 (value_format): Likewise.
3523 (output_die): Likewise. Also, call maybe_emit_file here.
3524 (struct file_info): Constify filenames. Make file_idx a pointer
3525 to a struct dwarf_file_data.
3526 (struct dir_info): Constify directory names. Remove 'used' field.
3527 (struct file_name_acquire_data): New.
3528 (file_name_acquire): New.
3529 (output_file_names): Modify to handle new file data structures.
3530 (add_src_coords_attributes): Use add_AT_file.
3531 (add_call_src_coords_attributes): Likewise.
3532 (dwarf2out_imported_module_or_decl): Likewise.
3533 (gen_subprogram_die): Modify for new file data structures.
3534 (gen_variable_die): Likewise.
3535 (file_table_eq): New.
3536 (file_table_hash): New.
3537 (file_table_last_lookup): New.
3538 (lookup_filename): Rewrite to handle new file data structures.
3539 (maybe_emit_file): Rewrite to handle new file data structures.
3540 (dwarf2out_source_line): Always call lookup_filename and
3542 (dwarf2out_init): Create file_table here.
3543 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
3544 (file_table_relative_p): New.
3545 (dwarf2out_finish): Change detection of relative filenames
3546 to work with new file data structures. Move output_line_info call
3547 after debug_info output.
3549 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
3554 * config/i386/i386.c (override_options): Always default to 16
3555 byte stack boundary.
3557 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
3560 * var-tracking.c (dump_dataflow_set): Start dumping at
3562 (clobber_variable_part): Kill only the variable part in
3563 registers holding it, leaving other variables alone.
3565 2006-09-11 Josh Triplett <josh@freedesktop.org>
3567 * doc/extend.texi (Other Builtins): Actually use the macro
3568 argument in the documentation example for
3569 __builtin_types_compatible_p.
3571 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3573 PR rtl-optimization/28726
3574 * sched-deps.c (sched_analyze_reg): New function extracted from...
3575 (sched_analyze_1): ...here. Call it to analyze references to
3576 registers. Treat again writes to a stack register as writing to the
3578 (sched_analyze_2): ...and here. Call it to analyze references to
3579 registers. Treat again reads of a stack register as reading the
3582 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
3583 David Edelsohn <edelsohn@gnu.org>
3586 * config/rs6000/spe.md (frob_df_di): Remove %H.
3587 (frob_di_df): Remove %H. Change evmergelo to mr.
3588 (frob_di_df_2): Remove %H. Change evldd to two loads.
3590 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
3592 * doc/cpp.texi: Fix names of charset options.
3594 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
3597 * config/i386/i386.c (override_options): Use 128-bit
3598 stack boundary always for 64bits.
3600 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3602 PR rtl-optimization/28636
3603 * combine.c (force_to_mode): Test for side-effects before
3604 substituting by zero.
3605 (simplify_shift_const): Likewise for zero or other constants.
3607 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
3610 * builtins.c (expand_builtin_setjmp): Force next_lab to be
3613 2006-09-10 Richard Sandiford <richard@codesourcery.com>
3616 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
3617 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
3618 returned by mode_for_size, rather than the mode of src itself,
3619 to choose between 32-bit and 64-bit patterns.
3620 (mips_mem_fits_mode_p): New function.
3621 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
3622 that the size of the source matches the size of the destination.
3623 (mov_<store>l, mov_<store>r): Likewise.
3625 2006-09-10 Eric Christopher <echristo@apple.com>
3627 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
3630 2006-09-09 Eric Christopher <echristo@apple.com>
3633 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
3636 2006-09-09 Roger Sayle <roger@eyesopen.com>
3637 Nicolas Setton <setton@adacore.com>
3639 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
3641 2006-09-10 Andreas Schwab <schwab@suse.de>
3643 * config/m68k/m68k.md (bungt_rev): New pattern.
3645 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
3646 Dale Johannesen <dalej@apple.com>
3649 * regclass.c (struct reg_pref): Update documentation.
3650 (regclass): Set prefclass to NO_REGS if memory is the best option.
3651 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3653 2006-09-08 Eric Christopher <echristo@apple.com>
3655 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
3656 * config/t-slibgcc-darwin: Support x86_64 multilib.
3657 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
3658 Return 1 for x86_64-darwin.
3659 * config/i386/t-darwin: Add m64 multilib.
3660 (LIB2_SIDITI_CONV_FUNCS): Use.
3661 (LIB2FUNCS_EXTRA): Ditto.
3662 * config/i386/darwin.h: Support x86_64.
3663 * config/i386/i386.c (override_options): Turn on flag_pic
3664 for x86_64-darwin. Disable flag_omit_pointer.
3665 (get_pc_thunk_name): Assert !TARGET_64BIT.
3666 (legitimate_address_p): Disable machopic addressing for
3668 (legitimize_pic_address): Ditto.
3669 (ix86_expand_move): Ditto.
3670 (ix86_expand_call): Ditto.
3671 (machopic_output_stub): Ditto.
3672 * config/darwin.c (machopic_select_section): Support literal16.
3673 (machopic_select_rtx_section): Ditto.
3674 * config/darwin-sections.def: Ditto.
3675 * config/darwin-64.c: New.
3677 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
3680 * c-tree.h (struct c_arg_info): Add pending_sizes.
3681 * c-parser.c (c_parser_parms_declarator,
3682 c_parser_parms_list_declarator): Initialize pending_sizes.
3683 * c-decl.c (get_parm_info): Initialize pending_sizes.
3684 (get_parm_info): Set pending_sizes.
3685 (grokdeclarator): Call put_pending_sizes for parameters for
3686 function definition only.
3688 2006-09-07 Jason Merrill <jason@redhat.com>
3691 * varasm.c (output_constant): Only strip actual no-op conversions.
3694 * config/i386/i386.c (override_options): Use 128-bit
3695 stack boundary if -msse.
3697 2006-09-07 Eric Christopher <echristo@apple.com>
3699 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
3701 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
3704 2006-09-07 Geoffrey Keating <geoffk@apple.com>
3706 * dwarf2out.c: Remove strange characters from comment above
3707 dwarf2out_frame_debug_expr.
3709 2006-09-07 Eric Christopher <echristo@apple.com>
3711 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
3712 * config/darwin.h: ... to here.
3714 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
3716 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
3718 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
3719 (TARGET_PARTIAL_FLAG_REG_STALL): New.
3721 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3722 TARGET_PARTIAL_FLAG_REG_STALL.
3723 (*ashldi3_cconly_rex64): Likewise.
3724 (*ashlsi3_cmp): Likewise.
3725 (*ashlsi3_cconly): Likewise.
3726 (*ashlsi3_cmp_zext): Likewise.
3727 (*ashlhi3_cmp): Likewise.
3728 (*ashlhi3_cconly): Likewise.
3729 (*ashlqi3_cmp): Likewise.
3730 (*ashlqi3_cconly): Likewise.
3731 (*ashrdi3_cmp_rex64): Likewise.
3732 (*ashrdi3_cconly_rex64): Likewise.
3733 (*ashrsi3_cmp): Likewise.
3734 (*ashrsi3_cconly): Likewise.
3735 (*ashrsi3_cmp_zext): Likewise.
3736 (*ashrhi3_cmp): Likewise.
3737 (*ashrhi3_cconly): Likewise.
3738 (*ashrqi3_cmp): Likewise.
3739 (*ashrqi3_cconly): Likewise.
3740 (*lshrdi3_cmp_rex64): Likewise.
3741 (*lshrdi3_cconly_rex64): Likewise.
3742 (*lshrsi3_cmp): Likewise.
3743 (*lshrsi3_cconly): Likewise.
3744 (*lshrsi3_cmp_zext): Likewise.
3745 (*lshrhi3_cmp): Likewise.
3746 (*lshrhi3_cconly): Likewise.
3747 (*lshrqi2_cmp): Likewise.
3748 (*lshrqi2_cconly): Likewise.
3750 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3753 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3754 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3755 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3756 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3757 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3758 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3759 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3760 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3761 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3762 implement only CC setting effects of shift instructions.
3764 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
3766 * doc/contrib.texi: Add myself.
3768 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
3771 * stor-layout.c (relayout_decl): Don't zero the alignment if it
3772 was set by the user.
3774 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
3777 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3778 (divsi_inv_m1): Use them.
3779 (UNSPEC_DIV_INV_TABLE): New constant.
3781 2006-09-06 James E Wilson <wilson@specifix.com>
3784 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3785 then call count_or_remove_death_notes.
3787 2006-09-06 Jason Merrill <jason@redhat.com>
3790 * tree-inline.c (copy_result_decl_to_var): New fn.
3791 (declare_return_variable): Use it. Call declare_inline_vars here.
3792 (expand_call_inline): Not here.
3794 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3796 * doc/contrib.texi: Update my entry.
3798 2006-09-06 Nick Clifton <nickc@redhat.com>
3800 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3802 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3805 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3806 (canonicalize_induction_variables): Likewise.
3807 (tree_unroll_loops_completely): Likewise.
3808 (tree_ssa_prefetch_arrays): Likewise.
3809 (remove_empty_loops): Likewise.
3810 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3811 TODO_cleanup_cfg instead of directly calling
3812 cleanup_tree_cfg_loop.
3813 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3815 (tree_unroll_loops_completely): Likewise.
3816 (remove_empty_loops): Likewise.
3817 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3818 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3819 of tree_ssa_unswitch_loops.
3820 (tree_ssa_loop_ivcanon): Use the return value of
3821 canonicalize_induction_variables.
3822 (tree_ssa_empty_loop): Use the return value of
3824 (tree_complete_unroll): Use the return value of
3825 tree_unroll_loops_completely.
3826 (tree_ssa_loop_prefetch): Use the return value of
3827 tree_ssa_prefetch_arrays.
3828 * passes.c (execute_todo): Before Cleanup CFG, set
3829 updating_used_alone and after cleanup CFG, call
3830 recalculate_used_alone.
3832 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3835 * tree-vect-transform.c (vectorizable_condition): Move the check
3836 for the type after the check for simple condition.
3838 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3839 Kaz Kojima <kkojima@gcc.gnu.org>
3842 * mode-switching.c (optimize_mode_switching): Make the destination
3843 block of an abnormal edge have no anticipatable mode. Don't
3844 insert mode switching code at the end of the source block of
3847 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3849 PR rtl-optimization/26847
3850 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3851 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3852 (simplify_plus_minus): Count n_constants while filling ops. Replace
3853 qsort with insertion sort. Before going through the array to simplify
3854 pairs, sort it. Delay early exit until after the first sort, exiting
3855 only if no swaps occurred. Simplify pairs in reversed order, without
3856 special-casing the first iteration. Pack ops after simplifying pairs.
3858 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3860 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3861 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3862 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3863 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3865 2006-09-05 Richard Guenther <rguenther@suse.de>
3867 PR tree-optimization/28900
3868 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3869 compound conditional before creating COND_EXPR condition.
3871 2006-09-05 Richard Guenther <rguenther@suse.de>
3873 PR tree-optimization/28905
3874 * tree-vrp.c (fix_equivalence_set): Manually implement
3875 !value_ranges_intersect_p to also handle symbolic ranges.
3877 2006-09-05 Richard Guenther <rguenther@suse.de>
3880 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
3883 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3885 PR rtl-optimization/27616
3886 * cse.c (table_size): New static variable.
3887 (new_basic_block): Initialize it to 0.
3888 (remove_from_table): Decrement it.
3889 (insert): Increment it.
3890 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
3891 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
3892 fold_rtx_mem_1 if under the cap.
3893 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
3894 the lookup of the equivalent expression and test for equality of the
3895 first operand of the equivalent expression before in turn looking up
3896 an equivalent constant for the second operand.
3898 2006-09-02 Geoffrey Keating <geoffk@apple.com>
3901 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3902 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3903 pointer, instead of assuming it is possible to derive the
3904 correct args size from a call insn.
3906 2006-09-02 Jakub Jelinek <jakub@redhat.com>
3909 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
3910 (fold_builtin_mempcpy): Rename to...
3911 (fold_builtin_memory_op): ... this. Optimize one element copy
3913 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
3915 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
3916 (expand_builtin_memcpy, expand_builtin_mempcpy,
3917 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
3918 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
3919 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
3920 BUILT_IN_MEM{CPY,PCPY,MOVE}.
3922 2006-09-01 DJ Delorie <dj@redhat.com>
3924 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
3925 (stzx_16): Likewise.
3926 ("stzx_24_<mode>"): Likewise.
3927 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
3928 ("cmp<mode>_op"): New.
3929 (cmp<mode>): Change to expander; just save operands.
3931 (b<code>): Change to expander, emit compare here.
3932 (s<code>_op): Change to use split and expander.
3933 (s<code>_24_op): Likewise.
3934 (s<code>_<mode>): New.
3935 (s<code>_<mode>_24): New.
3936 (movqicc_<code>_<mode): New.
3937 (movhicc_<code>_<mode>): New.
3940 * config/m32c/m32c.c (compare_op0, compare_op1): New.
3941 (m32c_pend_compare): New.
3942 (m32c_unpend_compare): New.
3943 (m32c_expand_scc): New.
3944 (m32c_expand_movcc): Emit the compare also.
3945 * config/m32c/predicates.md (mra_nopp_operand): New.
3947 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
3948 Richard Guenther <rguenther@suse.de>
3949 Adam Nemet <anemet@caviumnetworks.com>
3952 * builtins.c (get_pointer_alignment): Handle more forms
3953 of base addresses that can be used to derive more precise
3954 information about alignment.
3956 2006-09-01 Jason Merrill <jason@redhat.com>
3959 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
3962 * gimplify.c (voidify_wrapper_expr): Handle null type.
3964 2006-09-01 Josh Conner <jconner@apple.com>
3967 * tree-nrv.c (dest_safe_for_nrv_p): New function.
3968 (execute_return_slot_opt): Use it.
3970 2006-08-31 Josh Conner <jconner@apple.com>
3973 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
3974 returning aggregates.
3976 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3978 PR tree-optimization/28839
3979 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3980 blocks in that phi arguments appear.
3982 2006-08-31 Roger Sayle <roger@eyesopen.com>
3985 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3986 NULL, otherwise use an advance_loc4 to adjust relative to the
3988 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3989 (dwarf2out_switch_text_section): Reset the current label to avoid
3990 using advance_loc4 over section boundaries.
3992 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3995 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3996 r12 + SYMBOLIC_CONST.
3998 2006-08-30 Richard Guenther <rguenther@suse.de>
4000 * Makefile.in (see.o): Add $(EXPR_H) dependency.
4002 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
4004 PR rtl-optimization/27735
4005 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
4006 Add new argument to keep track of whether an irreducible region
4007 was affected. All callers changed.
4008 (fix_irreducible_loops): Removed.
4009 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
4010 flags were invalidated.
4012 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
4014 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
4015 instead of SF operands.
4016 (*fop_df_comm_sse): Likewise.
4017 (*fop_df_comm_i387): Likewise.
4018 (*fop_df_1_mixed): Likewise.
4019 (*fop_df_1_sse): Likewise.
4021 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4022 J"orn Rennecke <joern.rennecke@st.com>
4024 PR tree-optimization/17506
4025 * tree-ssa.c (warn_uninit): If warning about a location outside of
4026 the current function, note where the variable was declared.
4028 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
4030 PR tree-optimization/28411
4031 * double-int.c (double_int_div): Use double_int_divmod.
4032 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
4033 double_int_mod, double_int_smod, double_int_umod): New functions.
4034 * double-int.h (double_int_divmod, double_int_sdivmod,
4035 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
4037 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
4039 (get_computation_aff, get_computation_cost_at): Handle double_int
4040 return type of constant_multiple_of.
4042 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
4045 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
4046 an implicit conversion.
4048 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
4050 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
4052 2006-08-27 Roger Sayle <roger@eyesopen.com>
4054 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
4057 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
4059 * config/i386/crtfastmath.c: Fix a comment typo.
4061 2006-08-26 Roger Sayle <roger@eyesopen.com>
4063 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
4064 temporary visit flags on CASE_LABEL_EXPRs.
4065 * c-common.c (match_case_to_enum): Add function comment. Avoid
4066 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
4067 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
4068 CASE_HIGH_SEEN for enumerated types. If the switch expression is
4069 a constant, only warn if that constant value isn't handled.
4071 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
4074 * input.h (restore_input_file_stack): Declare.
4075 (INPUT_FILE_STACK_BITS): Define.
4076 * toplev.c (fs_p, input_file_stack_history,
4077 input_file_stack_restored, restore_input_file_stack): New.
4078 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
4079 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
4080 (pop_srcloc): Don't free old state of stack.
4082 2006-08-26 David Edelsohn <edelsohn@gnu.org>
4085 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
4086 (PowerPC Type Attributes): New.
4088 2006-08-26 Bob Wilson <bob.wilson@acm.org>
4090 * config/xtensa/xtensa.c (function_arg_boundary): New.
4091 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
4093 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
4094 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
4096 2006-08-26 Jakub Jelinek <jakub@redhat.com>
4099 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
4102 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4104 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
4105 (verify_local_live_at_start): Likewise.
4107 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4110 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
4111 omp_add_variable): Treat sizes as variable whenever not
4114 2006-08-26 Richard Guenther <rguenther@suse.de>
4117 * fold-const.c (fold_binary): Fold temporary to correct
4118 type before constructing new comparison.
4120 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
4123 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
4124 variable again if DECL_SEEN_IN_BIND_EXPR_P.
4126 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4129 * c-decl.c (start_function): Don't try to process prototype
4130 information from old declaration that isn't a function.
4132 2006-08-25 Jan Hubicka <jh@suse.cz>
4135 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
4137 2006-08-25 Alan Modra <amodra@bigpond.net.au>
4140 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
4143 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
4145 PR tree-optimization/16876
4146 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
4147 exit if PARM doesn't match VALUE.
4149 2006-08-25 Bob Wilson <bob.wilson@acm.org>
4151 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
4152 literal_prefix directive.
4153 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
4154 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4155 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4157 2006-08-25 David Edelsohn <edelsohn@gnu.org>
4160 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
4161 predicate to general_operand. Add 0->y and I->r alternatives.
4163 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
4165 * doc/tm.texi: Fix a typo.
4166 * predict.c: Fix comment typos.
4168 2006-08-25 Nick Clifton <nickc@redhat.com>
4170 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
4171 assertions of "cpu" and "machine".
4173 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
4176 * tree-ssa-operands.c (access_can_touch_variable): Don't say
4177 the access through a base which has an alias set of 0 cannot
4180 2006-08-24 Bill Wendling <wendling@apple.com>
4182 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
4184 2006-08-24 Jan Hubicka <jh@suse.cz>
4186 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
4188 2006-08-24 Jan Hubicka <jh@suse.cz>
4191 * cgraph.c: Fix comments.
4192 (cgraph_varpool_mark_needed_node): Mark only variables not already
4194 * cgraphunit.c: Update comments; include gt-cgraphunit.h
4195 (cgraph_varpool_assembled_nodes_queue): New static variable.
4196 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
4197 (cgraph_varpool_output_debug_info): New function.
4198 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
4199 * Makefile.in: Add gt-cgraphunit.h
4201 2006-08-24 Jan Hubicka <jh@suse.cz>
4203 * predict.c (probability_reliable_p): New predicate.
4204 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
4205 (predict_loops): Do not predict loop exit with less than 2%
4207 * basic-block.h (edge_probability_reliable_p,
4208 br_prob_note_reliable_p): Declare.
4209 * ia64.h (ia64_print_operand): Do not disable on-chip branch
4210 prediction when static predictor is not reliable.
4211 * rs6000.c (output_cbranch): Likewise.
4213 2006-08-23 Stuart Hastings <stuart@apple.com>
4216 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
4217 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
4219 2006-08-21 Geoffrey Keating <geoffk@apple.com>
4222 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
4223 complex values, nor for generic vector values.
4225 2006-08-22 Richard Guenther <rguenther@suse.de>
4228 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
4229 parameter. Convert arguments to arithmetic expression to the
4231 (analyze_scalar_evolution_1): Adjust caller.
4233 2006-08-22 Jan Hubicka <jh@suse.cz>
4235 Patch by Paolo Bonzini
4236 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
4239 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
4241 PR tree-optimization/28003
4242 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
4243 before grouping aliases.
4245 2006-08-22 Roger Sayle <roger@eyesopen.com>
4247 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
4248 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
4250 2006-08-21 Jason Merrill <jason@redhat.com>
4253 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
4254 wrapper. Loop to handle nested wrappers.
4255 (gimplify_bind_expr): Remove temp parameter.
4256 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
4257 and STATEMENT_LIST on the rhs.
4258 (gimplify_statement_list): Voidify the STATEMENT_LIST.
4259 (gimplify_expr): Pass pre_p to gimplify_statement_list.
4260 (gimplify_target_expr): Remove special BIND_EXPR handling.
4262 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
4264 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
4267 2006-08-21 Olivier Hainque <hainque@adacore.com>
4269 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
4270 Arrange for the temporary captures of components overlapping the lhs
4271 to happen before the lhs is possibly cleared.
4273 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
4275 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
4276 necessary places to pass the correct "number of registers" values
4279 2006-08-20 Jan Hubicka <jh@suse.cz>
4281 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
4282 (create_name_tags): Instead of quadratic checking use hashtable.
4283 * bitmap.h: Include hashtab.h.
4284 (bitmap_hash): Declare.
4285 * bitmap.c (bitmap_hash): New function.
4287 2006-08-20 Jan Hubicka <jh@suse.cz>
4289 PR rtl-optimization/28071
4290 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
4292 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
4293 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
4294 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
4295 cgraph_decide_inlining_incrementally): Update use of
4296 cgraph_check_inline_limits.
4297 * cgraph.c (edge_hash, edge_eq): New function.
4298 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
4299 cgraph_edge_remove_caller, cgraph_node_remove_callees,
4300 cgraph_remove_node): Maintain call site hash.
4301 * cgraph.h (struct cgraph_node): Add call_site_hash.
4302 (cgraph_set_call_stmt): New function.
4304 2006-08-20 Jan Hubicka <jh@suse.cz>
4306 PR rtl-optimization/28071
4307 * reload1.c (reg_has_output_reload): Turn into regset.
4308 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
4309 choose_reload_regs, emit_reload_insns): Update to new
4310 reg_has_output_reload.
4312 2006-08-20 Jan Hubicka <jh@suse.cz>
4315 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
4316 function body sizes.
4317 * cgraphunit.c (cgraph_analyze_function): Don't do so.
4319 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
4322 * tree.c (handle_dll_attribute): Return early if not a
4323 var or function decl.
4325 2006-08-18 Joseph Myers <joseph@codesourcery.com>
4328 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
4329 alignment of SPE vector types.
4331 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
4333 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
4335 2006-08-17 Jakub Jelinek <jakub@redhat.com>
4338 * cgraph.h (struct cgraph_node): Remove externally_visible
4340 * cgraphunit.c (process_function_and_variable_attributes): Set
4341 local.externally_visible rather than externally_visible.
4344 * c-common.c (handle_externally_visible_attribute): First look
4345 at TREE_CODE and only if it is function or var decl, check for
4346 non-public objects. Don't warn for DECL_EXTERNAL.
4347 * cgraphunit.c (process_function_and_variable_attributes): Warn
4348 if externally_visible attribute is used on non-public object.
4350 2006-08-17 Jan Hubicka <jh@suse.cz>
4352 PR tree-optimization/27865
4353 * reload1.c (forget_marked_reloads): New function.
4354 (forget_old_reloads_1): When data are passed, just mark the registers
4356 (reload_as_needed): Use the new mechanizm.
4358 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
4361 * reload.h (reg_equiv_alt_mem_list): New declaration.
4362 * reload1.c (reg_equiv_alt_mem_list): New definition.
4363 (reload): Initialize it and release it.
4364 (delete_output_reload): Use it.
4365 * reload.c (push_reg_equiv_alt_mem): New function.
4366 (find_reloads_toplev): Call it.
4367 (find_reloads_address, find_reloads_address_1): Likewise.
4368 (find_reloads_subreg_address): Likewise.
4370 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4372 PR rtl-optimization/28489
4373 * sched-ebb.c (begin_schedule_ready): Create basic block
4375 (advance_target_bb): Skip empty blocks.
4376 * haifa-sched.c (bb_note): Make global.
4377 * sched-int.h (bb_note): Add prototype.
4379 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4381 PR tree-optimization/27865
4382 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
4384 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
4385 fold_used_pointer, pointer_used_p): New functions.
4386 (analyze_scalar_evolution_1): Use fold_used_pointer.
4387 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
4388 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
4391 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
4394 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
4395 or the INTEGER_CST. Fail on a CALL_EXPR.
4396 (fold_offsetof): Pass new argument to fold_offsetof_1.
4397 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
4398 operand into an INDIRECT_REF.
4399 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
4401 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4403 PR gcov/profile/26570
4404 * value-prof.c (static_values): Removed.
4405 (tree_find_values_to_profile): Do not set static_values.
4406 (find_values_to_profile): Do not free static_values.
4407 * profile.c (instrument_values): Do not free the values.
4408 (branch_prob): Free the values.
4410 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
4412 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
4414 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4417 * c-typeck.c (build_component_ref): Combine qualifiers of
4418 structure or union and field.
4420 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4422 PR rtl-optimization/28071
4423 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
4424 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
4425 * tree-into-ssa.c (struct dom_dfsnum): New.
4426 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
4428 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
4429 compute_global_livein.
4430 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
4431 in phi nodes in the correct blocks.
4433 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4435 PR tree-optimization/28364
4436 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
4438 (fold_affine_expr): New function.
4439 (may_eliminate_iv): Use fold_affine_expr.
4441 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4444 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
4447 2006-08-16 Mike Stump <mrs@apple.com>
4449 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
4450 * doc/cppopts.texi (-MD): Likewise.
4452 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
4455 * c-common.c (handle_weak_attribute): Ignore and warn if
4456 not a FUNCTION_ or VAR_DECL.
4458 2006-07-15 Mike Stump <mrs@apple.com>
4461 * c-parser.c (c_parser_typeof_specifier): Don't use
4462 c_finish_expr_stmt, open code desired semantics instead.
4464 2006-08-15 Nick Clifton <nickc@redhat.com>
4466 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
4467 fragment to tmake_file only if threads are enabled.
4468 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
4469 * config/i386/t-gthr-win32: New file. ... here.
4471 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4474 * c-parser.c (c_parser_compound_statement_nostart): Reset
4475 parser->error after each statement.
4477 2006-08-15 Jakub Jelinek <jakub@redhat.com>
4480 * omp-low.c (lower_omp_parallel): Convert t to
4481 receiver_decl's type.
4482 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
4483 source before comparison.
4486 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
4487 to itype in assignment to oldival2.
4489 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
4493 * c-typeck.c (build_compound_expr): If the second expression
4494 is an error mark, then just return an error mark instead of
4495 creating a COMPOUND_EXPR.
4497 2006-07-14 Mike Stump <mrs@apple.com>
4499 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
4501 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
4503 * c-decl.c, var-tracking.c: Fix comment typos.
4505 2006-08-14 Richard Sandiford <richard@codesourcery.com>
4507 PR rtl-optimization/28634
4508 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
4509 for floating-point modes unless flag_unsafe_math_optimizations.
4511 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
4512 Andrew Pinski <pinskia@physics.uc.edu>
4515 * tree.c (build_array_type): Unify array types with
4516 unspecified index_type.
4517 * c-decl.c (grokdeclarator): Make sure we do not modify a
4518 unified incomplete array type.
4519 * c-typeck.c (store_init_value): Create distinct type before
4520 filling in the index type in an initializer from a compound
4523 * c-decl.c (grokdeclarator): Remove code where we copy the
4526 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
4528 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
4529 into account for TODO_dump_cgraph.
4530 (TODO_update_ssa_no_phi): Likewise.
4531 (TODO_update_ssa_full_phi): Likewise.
4532 (TODO_update_ssa_only_virtuals): Likewise.
4533 (TODO_remove_unused_locals): Likewise.
4534 (TODO_set_props): Likewise.
4535 (TODO_update_stmt_usage): Likewise.
4537 2006-08-13 Dirk Mueller <dmueller@suse.de>
4539 * c-common.c (strict_aliasing_warning): Fix formatting.
4541 2006-08-13 Matthias Klose <doko@debian.org>
4543 * doc/invoke.texi: Fix spelling errors.
4545 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4547 PR rtl-optimization/23454
4548 * reorg.c (relax_delay_slots): Update comment.
4550 2006-08-11 Richard Guenther <rguenther@suse.de>
4553 * simplify-rtx.c (simplify_const_relational_operation):
4554 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
4557 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
4559 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
4560 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
4562 2006-08-10 Paul Brook <paul@codesourcery.com>
4564 * final.c (final_scan_insn): Clear current_insn_predicate before
4565 outputting inline asm.
4567 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
4569 PR tree-optimization/26197
4570 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
4571 get_ref_base_and_extent and overlap_subvar to add only relevant
4572 subvars as may-aliases.
4573 (add_may_alias_for_new_tag): New function, factored out of
4575 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
4576 with additional argument.
4577 * tree-flow.h (new_type_alias): Takes additional argument.
4579 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
4581 * gcov.c (no_data_file): New flag.
4582 (read_count_file): Set it if data file not present. Assume counts
4584 (output_lines): Don't name the data file, if there wasn't one.
4586 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
4588 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
4589 (rs6000_generate_compare): Tweak comments.
4590 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
4592 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
4594 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
4595 (var_debug_decl): New function.
4596 (var_reg_set): Follow debug decl link. Add location even if
4597 reg is already known to hold some other variable.
4598 (var_mem_set): Follow debug decl link.
4599 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
4600 decl link. Delete other known locations of the variable part
4602 (var_reg_delete, var_mem_delete): Delete other known locations
4603 of the variable part if requested.
4604 (same_variable_part_p): New function.
4605 (add_stores): Select MO_COPY when appropriate.
4606 (vt_initialize): Handle it.
4607 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
4608 known locations for MO_SET and MO_CLOBBER.
4609 (find_variable_location_part): New function.
4610 (set_variable_part, delete_variable_part): Use it.
4611 (clobber_variable_part): New function.
4612 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
4615 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
4617 PR tree-optimization/26969
4618 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
4619 with an empty list of PHIs.
4621 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
4625 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
4628 2006-08-06 Andreas Schwab <schwab@suse.de>
4630 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
4631 string. Whitespace and comment fixup.
4633 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4636 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
4640 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
4643 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
4645 2006-08-04 Jan Hubicka <jh@suse.cz>
4649 * reload.c (push_reload): Patch out the mismatching instruction;
4651 (find_reload): Bail out if the instruction was patched out.
4653 2006-08-04 Jan Hubicka <jh@suse.cz>
4655 PR tree-optimization/24888
4656 * tree-inline.c (expand_call_inline): Do not re-record variables.
4657 (declare_inline_vars): Add variable to unexpanded_var_list.
4659 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4660 Roger Sayle <roger@eyesopen.com>
4662 PR rtl-optimization/26244
4663 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
4664 inner_const are negative or greater than or equal to the bitsize of
4665 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
4666 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
4667 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
4668 CONST0_RTX (mode) when the new shift count is greater than or equal to
4669 to the bitsize of the object being shifted and XEXP (y, 0) has no side
4672 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
4674 * tree-cfg.c: Fix a comment typo.
4676 2006-08-03 Mark Mitchell <mark@codesourcery.com>
4679 * varasm.c (output_constant): Give the front end another chance to
4680 expand constants, after stripping NOPs.
4682 2006-08-03 Jan Hubicka <jh@suse.cz>
4684 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
4687 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
4689 PR tree-optimization/27770
4690 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
4691 declaration removed (moved to tree-flow.h).
4692 (vect_can_force_dr_alignment_p): Likewise.
4693 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
4694 (moved from tree-vectorizer.h).
4695 (vect_can_force_dr_alignment_p): Likewise.
4696 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
4697 from outside the vectorizer - in particular from cgraph stage.
4698 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
4699 the alignment of global arrays when -fsection-anchors is enabled.
4700 * cgraphunit.c (cgraph_increase_alignment): New function.
4701 (cgraph_optimize): Call cgraph_increase_alignment.
4703 2006-08-03 David Edelsohn <edelsohn@gnu.org>
4706 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
4707 not reload a SPE symbol_ref into a lo_sum address.
4709 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
4712 * dwarf2out.c (prune_unused_types_prune): Move call to
4713 prune_unused_types_update_strings to cover the parent DIE also.
4715 2006-08-02 Jan Hubicka <jh@suse.cz>
4717 PR gcov/profile/28480
4718 * tree-cfg.c (change_bb_for_stmt): New function.
4719 (tree_merge_blocks, tree_split_blocks): Use it.
4721 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4727 * toplev.c (compile_file): Return early on errorcount or sorrycount.
4728 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4729 (cgraph_optimize): Likewise.
4731 2006-08-01 Stuart Hastings <stuart@apple.com>
4733 * rtl.h (UINTVAL) New.
4734 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4735 * testsuite/gcc.dg/20060801-1.c: New.
4737 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4740 * c-typeck.c (build_external_type): Mark used enum types.
4741 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4743 (gen_subprogram_die): Whitespace fix.
4745 2006-08-01 Jan Hubicka <jh@suse.cz>
4747 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4748 bitmap when not needed.
4749 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4752 2006-08-01 Dirk Mueller <dmueller@suse.de>
4754 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4756 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4758 * Makefile.in: Revert part of previous patch:
4759 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4762 2006-07-30 Eric Christopher <echristo@apple.com>
4765 * doc/extend.texi (i386 Variable Attributes): Add anchor.
4766 (PowerPC Variable Attributes): New section.
4768 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
4770 PR target/28126 (partial fix)
4771 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4773 2006-07-28 Jan Hubicka <jh@suse.cz>
4775 PR rtl-optimization/28071
4776 * cfgrtl.c (rtl_delete_block): Free regsets.
4777 * flow.c (allocate_bb_life_data): Re-use regsets if available.
4779 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4781 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4782 and variables used in dependencies.
4784 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4786 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4787 %fs for -mcmodel=kernel.
4788 (stack_tls_protect_test_di): Likewise.
4790 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4792 * Makefile.in: Use mkinstalldirs.
4794 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4797 * opts-common.c (prune_options): Skip joined switches.
4799 2006-07-27 Jan Hubicka <jh@suse.cz>
4801 PR rtl-optimization/28071
4802 * cselib.c (cselib_process_insn): Don't remove useless values too
4803 often for very large hashtables.
4805 2006-07-27 Jan Hubicka <jh@suse.cz>
4807 PR rtl-optimization/28071
4808 * global.c (greg_obstack): New obstack.
4809 (allocate_bb_info): Use it.
4810 (free_bb_info): Likewise.
4811 (modify_reg_pav): Likewise.
4813 2006-07-27 Roger Sayle <roger@eyesopen.com>
4815 * builtins.c (fold_fixed_mathfn): When long and long long are the
4816 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4817 functions to their lceil*, lfloor*, lround* and lrint* forms.
4819 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4822 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4824 (rev_branch_insn): Likewise.
4826 2006-07-27 Jan Hubicka <jh@suse.cz>
4828 PR rtl-optimization/28071
4829 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4830 (reg_set_in_bb, max_reg_computed): New static variables.
4831 (regmove_optimize): Free the new array.
4832 (fixup_match_1): Update call of reg_is_remote_constant_p.
4834 2006-07-26 Jan Hubicka <jh@suse.cz>
4836 PR tree-optimization/27882
4837 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4839 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4841 (cgraph_analyze_compilation_unit): Likewise.
4842 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4843 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4844 (cgraph_early_inlinine): Make order garbage collected.
4845 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4847 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4849 * dbxout.c (output_types_sort): Add a comment.
4850 (output_used_types): Free the VEC.
4852 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4854 * function.c (reorder_fix_fragments): Delete.
4855 (reorder_blocks): Don't call it.
4856 (reorder_blocks_1): Put all subblocks under the origin block.
4858 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4860 PR rtl-optimization/27907
4861 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4864 2006-07-25 Roger Sayle <roger@eyesopen.com>
4867 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4868 bar(x) check that bar's result type can represent all the values of T.
4870 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4872 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4874 2006-07-25 Nick Clifton <nickc@redhat.com>
4876 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4877 size_lookup[] array.
4878 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4879 (ggc_pch_count_object): Likewise.
4880 (ggc_pch_alloc_object): Likewise.
4881 (ggc_pch_write_object): Likewise.
4882 (init_ggc): Do not attempt to initialize entries in the
4883 size_lookup[] array for objects whose size is greater than than
4884 the length of the array.
4886 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
4888 * dbxout.c (output_used_types_helper): Push queued types
4890 (output_types_sort): New.
4891 (output_used_types): Collect used types on a VEC and sort them
4894 2006-07-24 Richard Guenther <rguenther@suse.de>
4897 * cgraph.c (cgraph_remove_node): Do not check if dumps
4899 * cgraphunit.c (cgraph_optimize): Likewise.
4901 2006-07-24 Jan Hubicka <jh@suse.cz>
4903 PR rtl-optimization/28071
4904 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
4905 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
4906 splitting before first stmt.
4908 2006-07-24 Jan Hubicka <jh@suse.cz>
4910 PR rtl-optimization/28071
4911 * ipa-inline.c (update_caller_keys): Remove edges that
4912 are no longer inline candidates.
4914 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
4917 * dbxout.c (output_used_types_helper, output_used_types): New.
4918 (dbxout_symbol): Call output_used_types.
4920 2006-07-23 Jan Hubicka <jh@suse.cz>
4924 * cgraph.c (cgraph_varpool_nodes): Export.
4925 (decide_is_variable_needed): Ignored "used" attribute in
4926 unit-at-a-time mode.
4927 * cgraph.h (cgraph_varpool_nodes): Declare.
4928 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
4929 unit-at-a-time mode.
4931 2006-07-23 Roger Sayle <roger@eyesopen.com>
4934 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
4935 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
4936 the __gthrw form of thr_keycreate.
4937 (__gthread_key_delete): Silence the unused argument warning.
4939 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
4942 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
4943 Cache the last found '\0' marker to avoid quadratic behavior.
4945 2006-07-23 Jan Hubicka <jh@suse.cz>
4947 * i386.md (subsi_3_zext): Fix output template.
4949 2006-07-21 Mike Stump <mrs@apple.com>
4951 * doc/invoke.texi (C++ Dialect Options): Note that
4952 -fvisibility-inlines-hidden doesn't affect explicitly
4953 instantiationed inline methods.
4955 2006-07-20 Roger Sayle <roger@eyesopen.com>
4957 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
4958 if the target assembler is GNU binutils' gas.
4959 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
4960 whether to pass GNU gas or native as command line options.
4962 2006-07-20 Jason Merrill <jason@redhat.com>
4964 * tree.c (remove_attribute): New fn.
4965 * tree.h: Declare it.
4967 2006-07-20 Paul Brook <paul@codesourcery.com>
4970 * cse.c (cse_insn): Add destination addresses to hash table. Check if
4971 they are invalidated by this instruction.
4973 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4976 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4978 2006-07-20 Eric Christopher <echristo@apple.com>
4981 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4983 2006-07-19 Eric Christopher <echristo@apple.com>
4985 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4986 Rewrite dependencies for libgcc_s.1.dylib.
4988 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4990 * except.c (duplicate_eh_regions_1): Clear next_peer.
4992 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4994 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4995 -mlongcall does not guarantee all calls will be long.
4996 * doc/extend.texi (long_call/short_call): Document that longcall
4997 does not guarantee a long call will be used.
4998 (longcall/shortcall): Likewise.
5000 2006-07-18 Roger Sayle <roger@eyesopen.com>
5003 * expmed.c (expand_shift): Additionally check that the shift_cost
5004 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
5005 before implementing a LSHIFT_EXPR as a sequence of additions.
5006 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
5007 middle-end that DImode shifts need to be synthesized by expand.
5009 2006-07-18 Diego Novillo <dnovillo@redhat.com>
5012 * tree-ssa-operands.c (access_can_touch_variable): Update
5014 Return true if ALIAS is .GLOBAL_VAR.
5016 2006-07-18 David Daney <ddaney@avtrex.com>
5018 * gcc.c (display_help): Fix typo in help text.
5020 2006-07-18 Olivier Hainque <hainque@adacore.com>
5022 * tree.h (categorize_ctor_elements): Adjust prototype and add
5023 descriptive comment, both in accordance with the interface change
5025 * varasm.c (constructor_static_from_elts_p): New function.
5026 Whether a constructor node is a valid static constant initializer
5027 if all its elements are.
5028 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
5029 * output.h: Declare it.
5030 * expr.c (categorize_ctor_elements_1): Return whether the constructor
5031 is a valid constant initializer instead of computing the number of
5032 non-constant elements. Use constructor_static_from_elts_p for this
5033 purpose. Replace the head comment with an indication that this is a
5034 helper for categorize_ctor_elements.
5035 (categorize_ctor_elements): Same interface change as for the _1
5036 helper. Former head comment from this helper moved here, adjusted to
5037 account for the interface changes.
5038 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
5039 (all_zeros_p): Likewise.
5040 * gimplify.c (gimplify_init_constructor): Decide whether we can make
5041 static versions of the constructor from the categorize_ctor_elements
5042 return value instead of the formerly computed number of non-constant
5045 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
5047 * configure: Regenerate.
5048 * Makefile.in (build_libsubdir): New configure substitution
5049 (build_libobjdir): New variable.
5050 (BUILD_LIBIBERTY): Use it.
5052 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5055 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
5057 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
5060 * c-common.c (handle_weakref_attribute): Ignore attribute in
5061 the same conditions the alias attribute is ignored.
5063 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
5065 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
5066 (dbxout_begin_prologue): Increment scope_labelno.
5068 2006-07-17 Richard Henderson <rth@redhat.com>
5071 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
5074 2006-07-17 Roger Sayle <roger@eyesopen.com>
5075 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5077 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
5078 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
5079 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
5080 functions such as sbrk, write, etc.. Add function prototypes.
5081 Convert function declarations from K&R to ISO C. Cast pointers
5082 to "long" and "unsigned long" instead of "int" and "unsigned int".
5083 Convert tokens following #endif into comments.
5085 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
5087 * invoke.texi: Remove mention of f77; Reformat table for
5088 inline parameter options correctly; mention that -malign-double
5089 is default on x86-64 targets.
5091 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
5093 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
5094 (convert_affine_scev, chrec_convert_aggressive): Use
5095 avoid_arithmetics_in_type_p. Do not check for the subtypes
5098 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5101 * optabs.c (expand_doubleword_shift): Wrap the call to
5102 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
5104 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5107 * optabs.c (expand_binop): Pass next_methods rather than methods
5108 to expand_doubleword_shift.
5110 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
5113 * tree.h (dump_addr): Declare.
5114 * print-tree.c (dump_addr): New function.
5115 (print_node_brief, print_node): Use it.
5116 * print-rtl.c (print_rtx): Likewise.
5117 * common.opt (-fdump-noaddr): New option.
5118 * doc/invoke.texi (-fdump-noaddr): Document.
5119 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
5120 (ve_info_hash): Likewise.
5122 2006-07-13 Andrew Haley <aph@redhat.com>
5124 PR tree-optimization/19505
5125 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
5126 edge leaving this block, make sure that the destination of this
5127 block has only one predecessor.
5129 2006-07-17 Richard Guenther <rguenther@suse.de>
5131 PR tree-optimization/28238
5132 * tree-inline.c (copy_bb): Check if we produced valid
5133 gimple copying and substituting a stmt. If not, gimplify
5136 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
5138 * optabs.c (maybe_encapsulate_block): New function extracted from...
5139 (emit_libcall_block): ...here. Invoke it on the block of insns to
5140 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
5141 (emit_no_conflict_block): Likewise.
5143 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5145 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
5147 2006-07-15 Roger Sayle <roger@eyesopen.com>
5149 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
5150 a new NOP_EXPR case of the switch statement.
5152 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
5155 * stor-layout.c (place_field): Take the bit field with
5156 an excessive size into account in the ms-bitfiled case.
5159 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
5160 the previous bit field.
5162 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
5165 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
5167 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5169 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
5170 signal frames correctly even when the signal was installed with
5173 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
5175 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
5176 (dbxout_function_end): Use local label LFBB. Remove hook
5178 (dbxout_source_line): Use local label LFBB.
5179 (dbxout_block): Likewise.
5180 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
5181 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
5182 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
5183 and DBX_OUTPUT_NFUN.
5185 2006-07-13 Janis Johnson <janis187@us.ibm.com>
5187 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
5189 2006-07-13 Jan Hubicka <jh@suse.cz>
5191 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
5193 * output.h (align_variable): Declare.
5194 * varasm.c (align_variable): Export.
5195 * value-prof.c (tree_value_profile_transformations): Recompute iterator
5196 when basic block changed.
5198 2006-07-13 Nick Clifton <nickc@redhat.com>
5200 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
5201 walking the LOG_LINKS chain.
5203 2006-07-12 Geoffrey Keating <geoffk@apple.com>
5205 * doc/invoke.texi (C++ Dialect Options): Explain difference
5206 between -fvisibility-inlines-hidden and setting hidden
5207 visibility explicitly.
5209 2006-07-12 Eric Christopher <echristo@apple.com>
5211 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
5212 (stmp-lipo): Depend on libgcc.a.
5214 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
5216 * tree.c: Fix a comment typo.
5218 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
5220 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5222 (umulhisi3_r): Likewise.
5224 2006-07-12 Paolo Carlini <pcarlini@suse.de>
5227 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
5228 x < 19, vs wchar_t support.
5230 2006-07-12 Nick Clifton <nickc@redhat.com>
5232 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
5233 instead of -isa=sh4.
5235 2006-07-12 Mike Stump <mrs@apple.com>
5237 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
5239 2006-07-10 Eric Christopher <echristo@apple.com>
5241 * config/t-slibgcc-darwin: Rewrite.
5243 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
5246 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
5249 2006-07-08 Matthias Klose <doko@debian.org>
5251 * doc/sourcebuild.texi: Fix typo.
5253 2006-07-07 Mike Stump <mrs@apple.com>
5255 * toplev.c (process_options): Don't give -ffunction-sections may
5256 affect debugging warning for Mach-O.
5258 2006-07-07 James E Wilson <wilson@specifix.com>
5260 * config/mips/mips.md (cpu): Add sb1a.
5261 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
5262 addition to sb1. Adjust comments to clarify SB-1A differences from
5264 (ir_sb1a_load): New. Modify bypasses to use it.
5265 (ir_sb1a_simple_alu): Likewise.
5266 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
5267 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
5268 (mips_issue_rate): Add PROCESSOR_SB1A.
5269 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
5270 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
5271 (TARGET_SB1): Add PROCESSOR_SB1A check.
5272 (TUNE_SB1): Likewise.
5274 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
5275 * config/mips/mips.c (mips_store_data_bypass_p): New.
5276 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
5277 store_data_bypass_p.
5279 2006-07-08 Paul Brook <paul@codesourcery.com>
5282 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
5284 2006-07-07 Richard Guenther <rguenther@suse.de>
5287 * tree.h (build_one_cst): Declare.
5288 * tree.c (build_one_cst): New function.
5289 * tree-ssa-math-opts.c (get_constant_one): Remove.
5290 (insert_reciprocals): Use build_one_cst.
5291 * fold-const.c (fold_plusminus_mult): Likewise.
5293 2006-07-07 Roger Sayle <roger@eyesopen.com>
5295 * pointer-set.c (pointer_set_destroy): Correct whitespace.
5296 * cfgloopanal.c (dump_graph): Likewise.
5297 * dojump.c (discard_pending_stack_adjust): Likewise.
5298 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
5300 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
5301 * function.c (finalize_block_changes): Likewise.
5302 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
5303 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
5304 * rtl.c (dump_rtx_statistics): Likewise.
5305 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
5307 * varray.c (dump_varray_statistics): Likewise.
5308 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
5309 decode_decimal64, encode_decimal128, decode_decimal128,
5310 decimal_real_to_decimal): Likewise.
5312 2006-07-07 Richard Guenther <rguenther@suse.de>
5314 PR tree-optimization/28187
5315 * tree-vrp.c (vrp_operand_equal_p): New function.
5316 (vrp_bitmap_equal_p): Likewise.
5317 (update_value_range): Use them to compare old and new
5320 2006-07-06 Roger Sayle <roger@eyesopen.com>
5322 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
5323 a default case to switch statement to silence compiler warnings.
5325 2006-07-06 Roger Sayle <roger@eyesopen.com>
5328 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
5329 the configured assembler supports the x87's ffreep mnemonic.
5330 * configure: Regenerate.
5331 * config.in: Regenerate.
5333 * config/i386/i386.c (output_387_ffreep): New function.
5334 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
5335 (output_387_reg_move): Likewise.
5337 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
5339 Port to hosts whose 'sort' and 'tail' implementations
5340 treat operands with leading '+' as file names, as POSIX
5341 has required since 2001. However, make sure the code still
5342 works on pre-POSIX hosts.
5343 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
5344 which says you should use "tail -c +N" rather than "tail +Nc".
5345 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
5347 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5349 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
5352 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5355 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5356 PRE_{INC,DEC} of TFmode.
5358 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5359 Alan Modra <amodra@bigpond.net.au>
5362 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
5365 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5368 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
5369 Remove duplicate gtu.
5371 2006-07-05 Jason Merrill <jason@redhat.com>
5375 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
5376 * c-common.c (handle_packed_attribute): So don't copy it here.
5377 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
5379 2006-07-05 Mike Stump <mrs@apple.com>
5381 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
5383 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
5386 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
5388 2006-07-05 Richard Guenther <rguenther@suse.de>
5391 * config/i386/i386.md (*negdf2_1): Restrict pattern to
5392 TARGET_SSE2 targets if using SSE math.
5393 (*absdf2_1): Likewise.
5395 2006-07-05 Richard Guenther <rguenther@suse.de>
5397 PR tree-optimization/28162
5398 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
5399 make sure to convert the operands to the correct type.
5401 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
5403 PR tree-optimization/28218
5405 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
5406 to calculate and free the dominator information.
5408 2006-07-04 Peter O'Gorman <peter@pogma.com>
5410 * mklibgcc.in: chmod 644 before ranlib during install.
5412 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5413 J"orn Rennecke <joern.rennecke@st.com>
5415 * configure.ac (.eh_frame data check): Use diff -b.
5417 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5420 * Makefile.in (BUILD_RTL): Add build/vec.o.
5421 (build/gencondmd.o): Filter out -fkeep-inline-functions.
5422 (build/genextract): Delete.
5423 (build/genautomata): Likewise.
5425 2006-07-04 Alan Modra <amodra@bigpond.net.au>
5428 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
5429 128-bit IBM long doubles for ABI_V4.
5431 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
5433 * tree.c (range_in_array_bounds_p): New predicate.
5434 * tree.h (range_in_array_bounds_p): Declare it.
5435 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
5436 return a less conservative answer.
5437 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
5438 and flag 'is_group'.
5439 (IS_ELEMENT_FOR_GROUP): New macro.
5440 (FOR_EACH_ACTUAL_CHILD): Likewise.
5441 (next_child_for_group): New helper function.
5442 (can_completely_scalarize_p): Take into account groups.
5443 (sra_hash_tree): Handle RANGE_EXPR.
5444 (sra_elt_eq): Likewise.
5445 (lookup_element): Be prepared for handling groups.
5446 (is_valid_const_index): Delete.
5447 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
5448 instead of is_valid_const_index.
5449 <ARRAY_RANGE_REF>: New case.
5450 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
5451 is_valid_const_index.
5452 <ARRAY_RANGE_REF>: Do not unconditionally punt.
5453 (scan_dump): Dump info for groups too.
5454 (decide_instantiation_1): Likewise.
5455 (decide_block_copy): Assert that the element is not a group.
5456 Propagate decision to groups.
5457 (generate_one_element_ref): Handle RANGE_EXPR.
5458 (mark_no_warning): Iterate over actual childs.
5459 (generate_copy_inout): Likewise.
5460 (generate_element_copy): Likewise.
5461 (generate_element_zero): Likewise.
5462 (generate_element_init_1): Likewise.
5463 (dump_sra_elt_name): Handle RANGE_EXPR.
5465 2006-07-03 Roger Sayle <roger@eyesopen.com>
5467 PR tree-optimization/26251
5468 * tree-ssa-threadupdate.c (redirection_block_p): New function.
5469 (thread_block): When optimizing for size refuse to thread jumps
5470 that would require duplication of blocks other than redirection
5473 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5475 * configure.ac: Fix thinko in previous check-in.
5476 * configure: Regenerate.
5478 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5481 * configure.ac (for lang...): Simplify nesting of conditionals.
5482 Test subdir_requires for non-enabled languages. Move processing
5483 of lang_opt_files and lang_tree_fiels below that test.
5484 * configure: Regenerate.
5485 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
5487 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
5489 * doc/gcov.texi (Invoking Gcov): Add a missing word.
5491 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
5493 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
5496 2006-06-29 Jason Merrill <jason@redhat.com>
5503 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
5504 * c-common.c (c_determine_visibility): Handle it here.
5505 * c-decl.c (finish_decl): Call c_determine_visibility for
5507 * flags.h (enum symbol_visibility): Sort from most to least visibility.
5509 * varasm.c (default_assemble_visibility): Likewise.
5510 * c-common.c (handle_visibility_attribute): Complain about trying
5511 to give visibility to an already defined class, or trying to change
5512 declared visibility. Always attach the attribute.
5517 * attribs.c (decl_attributes): Ignore type-in-place attributes
5518 once the type has been defined.
5520 2006-06-29 Roger Sayle <roger@eyesopen.com>
5523 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
5524 to indicate the cpplib has issued an error message for us.
5526 2006-06-29 Asher Langton <langton2@llnl.gov>
5529 * config/i386/i386.c (ix86_output_function_epilogue): Don't
5530 insert a label at the end of an function under Mach-O.
5532 2006-06-29 Eric Christopher <echristo@apple.com>
5533 Evan Cheng <evan.cheng@apple.com>
5535 * predicates.md (vector_all_ones_operand): New.
5536 (nonimmediate_or_sse_const_operand): Ditto.
5537 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
5538 * config/i386/i386.c (standard_sse_constant_opcode): Define.
5539 (standard_sse_mode_p): Ditto.
5540 (standard_sse_constant_p): Add case for -1 vector.
5541 (ix86_expand_vector_move): Try to use.
5542 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
5543 Call standard_sse_constant_opcode.
5544 (*movv4sf_internal): Ditto.
5545 (*movv2df_internal): Ditto.
5547 2006-06-29 Roger Sayle <roger@eyesopen.com>
5549 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
5550 of XEXP to extract the operands of a MATCH_CODE rtx.
5552 2006-06-28 Andrew Pinski <pinskia@gmail.com>
5554 * tree.c (tree_size): Do not waste tail padding in
5555 struct tree_string and make the size be the same as
5556 build_string will generate.
5558 2006-06-28 Jason Merrill <jason@redhat.com>
5561 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
5562 may_aliases already in the tag's annotations to the bitmap.
5564 2006-06-28 Roger Sayle <roger@eyesopen.com>
5566 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
5568 2006-06-28 Roger Sayle <roger@eyesopen.com>
5570 * genpreds.c (generate_switch_p): New function.
5571 (add_mode_tests): Push the new mode test down inside an AND expr
5572 if this allows the switch-suitable MATCH_CODE to be near the root.
5573 (write_match_code_switch): New function to write a MATCH_CODE as
5575 (write_predicate_stmts): New function to write a predicate RTX
5576 expression as a sequence of statements.
5577 (write_one_predicate_function): Use write_predicate_stmts.
5578 (write_tm_constrs_h): Likewise.
5580 2006-06-26 Fred Fish <fnf@specifix.com>
5582 * config/mips/t-sb1: New file.
5583 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
5586 2006-06-26 DJ Delorie <dj@redhat.com>
5588 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
5590 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
5591 Jayant Sonar <jayants@kpitcummins.com>
5592 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
5594 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
5595 (subsi3, subsi3_1, subsi3_2): New.
5596 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
5597 * config/m32c/mov.md (SI mov peephole): New.
5598 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
5599 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
5601 2006-06-26 Olivier Hainque <hainque@adacore.com>
5603 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
5604 a CALL_EXPR target function declaration.
5606 2006-06-26 Richard Guenther <rguenther@suse.de>
5608 * tree.c (build_string): Do not waste tail padding in
5611 2006-06-26 Richard Guenther <rguenther@suse.de>
5613 * ggc-page.c (init_ggc): Add missing element to size_lookup
5617 2006-06-23 Richard Guenther <rguenther@suse.de>
5619 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5620 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5621 alignment requests instead. Add verification code.
5622 Add struct tree_function_decl and struct tree_binfo size to
5623 extra_order_size_table. Add missing element to size_lookup
5626 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
5629 * fold-const.c (const_binop): Be prepared for self returning zero.
5630 Simplify code handling complex values.
5632 2006-06-24 Olivier Hainque <hainque@adacore.com>
5634 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
5635 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
5638 2006-06-24 Olivier Hainque <hainque@adacore.com>
5640 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
5641 ARRAY_REF, so have the callback called for the low bound expression.
5643 2006-06-23 Janis Johnson <janis187@us.ibm.com>
5645 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
5646 * c-typeck.c (c_common_type): Disallow operations on decimal float
5647 types and other float types.
5648 * convert.c (convert_to_real): Don't ignore conversions involving
5649 decimal float types.
5651 2006-06-23 Olivier Hainque <hainque@adacore.com>
5653 * tree.c (max_int_size_in_bytes): New function, inspired from
5654 code in function.c:assign_temp.
5655 * tree.h (max_int_size_in_bytes): Declare.
5656 * function.c (assign_temp): Use it.
5657 * gimplify.c (create_tmp_var): Relax the assertions on the type
5658 properties, not mandating constant size any more.
5659 (force_constant_size): New static function.
5660 (gimple_add_tmp_var): Use it, forcing variable size to a
5661 constant upper bound if it is not constant on entry.
5663 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
5666 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
5667 for initialization and setting of one_only flag to ...
5668 (i386_pe_encode_section_info): ...here.
5669 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
5670 Recheck that the symbol has not been defined.
5672 2006-06-23 Richard Guenther <rguenther@suse.de>
5674 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5675 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5676 alignment requests instead. Add verification code.
5677 Add struct tree_function_decl and struct tree_binfo size to
5678 extra_order_size_table. Add missing element to size_lookup
5681 2006-06-22 Roger Sayle <roger@eyesopen.com>
5682 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5685 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
5686 call to lang_hooks.types.type_for_mode returned NULL_TREE.
5688 2006-06-23 Ben Elliston <bje@au.ibm.com>
5690 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
5691 negate dn -- manipulate it directly.
5693 2006-06-22 Roger Sayle <roger@eyesopen.com>
5694 Steven Bosscher <stevenb.gcc@gmail.com>
5697 * reload1.c (gen_reload): Call mark_jump_label on the new insns
5698 generated by gen_move_insn to add REG_LABEL notes if necessary.
5700 2006-06-22 Bob Wilson <bob.wilson@acm.org>
5702 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
5703 (leaf_entry): Remove use of MIN_ESA.
5705 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
5707 PR rtl-optimization/28121
5708 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
5711 2006-06-21 DJ Delorie <dj@redhat.com>
5713 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
5715 (mulhisi3_r): Likewise.
5717 2006-06-21 Richard Sandiford <richard@codesourcery.com>
5720 * coverage.c (coverage_counter_alloc): Leave the index type
5722 (coverage_counter_alloc): Use null arguments for operands 2 and 3
5725 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
5727 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
5728 section from the "Options for Code Generation Conventions".
5730 2006-06-21 Richard Henderson <rth@redhat.com>
5734 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5736 (global_symbolic_operand): Allow weak symbols, even if local_p.
5738 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5740 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5741 (find_interesting_uses_address): Punt if above function returns true.
5743 2006-06-21 Richard Guenther <rguenther@suse.de>
5745 * configure: Regenerated.
5747 2006-06-21 Joseph Myers <joseph@codesourcery.com>
5749 * config/mips/mips.c (function_arg): Where one part of a
5750 complex argument is in registers and the other part in the stack,
5751 return a REG not a PARALLEL.
5753 2006-06-21 Mark Mitchell <mark@codesourcery.com>
5755 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5756 when cross-compiling. Do not substitute libstdcxx_incdir.
5757 * configure: Regenerated.
5759 2006-06-21 Jakub Jelinek <jakub@redhat.com>
5761 * varasm.c (mergeable_string_section): Check for embedded NULs and
5762 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5763 rather than TREE_STRING_LENGTH bytes.
5765 2006-06-21 Richard Guenther <rguenther@suse.de>
5767 * ggc-page.c (extra_order_size_table): Add var_ann_d,
5768 tree_ssa_name, bitmap_element and phi_node with 4 arguments
5771 2006-06-21 Richrad Guenther <rguenther@suse.de>
5773 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5774 Limit iteration over the dominators.
5776 2006-06-20 Roger Sayle <roger@eyesopen.com>
5778 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5779 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5781 2006-06-20 Richard Guenther <rguenther@suse.de>
5782 Michael Matz <matz@suse.de>
5784 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5786 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5787 * et-forest.h (et_free_pools): Prototype new function.
5788 * et-forest.c (et_free_tree_force): Free parent occurrence.
5789 (et_free_pools): New function.
5790 * dominance.c (free_dominance_info): Free et-forest alloc
5793 2006-06-20 Roger Sayle <roger@eyesopen.com>
5795 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5796 integer modes, attempt to directly construct an integer constant.
5798 * fold-const.c (native_encode_vector): Determine the size of each
5799 element from the vector type instead of the first vector element.
5801 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5802 if all of its elements/components are constant.
5803 (build_constructor_from_list): Likewise.
5805 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5807 PR tree-optimization/27331
5808 * tree-data-ref.c (free_data_ref): New function.
5809 (create_data_ref): Fail if the data reference has unknown access
5811 (free_data_refs): Use free_data_ref.
5813 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5816 * tree-inline.c (setup_one_parameter): Strip useless
5817 type conversion before adding it to the IR.
5818 (declare_return_variable): Likewise.
5820 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5823 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5825 2006-06-19 Mike Stump <mrs@apple.com>
5827 * tree.c (variably_modified_type_p): VM arguments don't make the
5830 2006-06-19 Richard Guenther <rguenther@suse.de>
5832 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5833 type conversions after folding.
5835 2006-06-19 Richard Guenther <rguenther@suse.de>
5837 * ggc-page.c (extra_order_size_tab): Add entries with
5838 size of struct function and basic_block.
5839 (size_lookup): Extend to cover sizes up to 511.
5840 (ggc_alloc_stat): Adjust user.
5841 (ggc_pch_count_object): Likewise.
5842 (ggc_pch_alloc_object): Likewise.
5843 (ggc_pch_write_object): Likewise.
5845 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5847 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5848 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5851 2006-06-19 Denis Chertykov <denisc@overta.ru>
5853 * config/avr/libgcc.S : Correct my wrong previous commit.
5855 2006-06-19 Roger Sayle <roger@eyesopen.com>
5858 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5859 have stripped a SUBREG from the shift count, so we may need to
5860 convert_to_mode back to the type's mode before calling make_tree.
5861 Use new_amount instead of amount to avoid expanding a tree twice.
5863 2006-06-19 Richard Guenther <rguenther@suse.de>
5866 * fold-const.c (operand_equal_p): Check if the argument types
5867 have the same precision before stripping NOPs.
5869 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5871 Fix PR tree-optimization/27341
5872 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5874 * tree-complex.c (pass_lower_complex): Update SMT usage.
5876 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5878 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5879 Add a new alternative to the constraint strings. Add move of
5880 operand 1 to 3 to the splitter definition.
5881 ("doloop_si_long"): Second contraint alternative removed.
5883 2006-06-08 Anatoly Sokolov <aesok@post.ru>
5885 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
5886 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
5888 (AVR_HAVE_MOVW) Define.
5889 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
5890 (ASM_SPEC): Add avr25.
5891 (LINK_SPEC): Add avr25.
5892 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
5893 (base_arch_s): Add new member 'have_movw_lpmx'.
5894 (avr_arch_types): Init 'have_movw_lpmx'.
5895 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
5896 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
5897 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
5898 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
5899 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
5901 (avr_file_start): Do not output '.arh' derective.
5902 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
5903 (__do_copy_data): Use __AVR_HAVE_LPMX__.
5904 * config/avr/avr.md (mcu_enhanced): Delete.
5905 (mcu_have_movw): Define.
5906 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
5907 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
5908 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
5909 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
5910 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
5911 attiny861 and at86rf401 devices.
5913 2006-06-18 Jie Zhang <jie.zhang@analog.com>
5915 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
5918 2006-06-17 Karl Berry <karl@gnu.org>
5920 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
5921 doc/gccint.texi, doc/install.texi (@dircategory): Use
5922 "Software development" instead of "Programming", following
5923 the Free Software Directory.
5925 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
5927 * config/i386/i386.c (legitimate_tls_address)
5928 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
5929 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
5930 (*tls_dynamic_gnu2_combine_64): Likewise.
5932 2006-06-16 Richard Guenther <rguenther@suse.de>
5935 * fold-const.c (negate_expr_p): Do not introduce undefined
5936 overflow in negating INTEGER_CSTs.
5937 (fold_negate_expr): Rename from negate_expr. Revert last
5938 change for folding BIT_NOT_EXPR. Change semantics to
5939 return NULL_TREE for non-simplified negations. Do not
5940 strip type conversions and unify type handling.
5941 (negate_expr): New function, wrap around fold_negate_expr
5942 but ensure building a tree always. Strip type conversions
5943 here, fold to result type.
5944 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
5946 2006-06-16 Roger Sayle <roger@eyesopen.com>
5949 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
5950 that (would) return their results in stack registers.
5952 2006-06-16 Michael Matz <matz@suse.de>
5953 Richard Guenther <rguenther@suse.de>
5955 * fold-const.c (fold_truthop): Only return new tree node if
5956 we canonicalized something.
5958 2006-06-16 Richard Guenther <rguenther@suse.de>
5960 * function.h (enum function_frequency): Move declaration
5961 out of struct function.
5962 (struct function): Move bool fields and the enum to the bitfield
5963 section. Reorder elements to avoid padding. Remove unused
5964 fields left over from the RTL inliner removal.
5965 * function.c (free_after_compilation): Do not zero removed fields.
5966 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
5967 (ipa-type-escape.o): Likewise.
5969 2006-06-16 Richard Guenther <rguenther@suse.de>
5971 * cgraph.h (struct cgraph_local_info): Turn bool elements
5973 (struct cgraph_node): Likewise.
5974 (struct cgraph_varpool_node): Likewise.
5976 2006-06-15 Richard Guenther <rguenther@suse.de>
5978 * fold-const.c (fold_truth_not_expr): Rename from
5979 invert_truthvalue. Give it fold_* semantics to avoid
5981 (invert_truthvalue): New function. Wrapper around
5982 fold_truth_not_expr.
5983 (optimize_minmax_comparison): Avoid creating garbage.
5984 (fold_unary): Use fold_truth_not_expr for folding
5986 (fold_ternary): Replace uses of invert_truthvalue with
5987 fold_truth_not_expr where applicable.
5988 * tree.h (fold_truth_not_expr): Prototype.
5990 2006-06-16 Richard Guenther <rguenther@suse.de>
5992 PR tree-optimization/27781
5993 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5994 * ipa-pure-const.c (target.h): Include.
5995 (analyze_function): Do not analyze functions that do not
5998 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
6001 * tree-dfa.c (referenced_vars_dup_list): Remove.
6002 (find_referenced_vars): Remove assert.
6003 (referenced_var_check_and_insert): Replace dup list with assert.
6004 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
6005 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
6007 2006-06-15 Richard Guenther <rguenther@suse.de>
6009 * tree-ssa-structalias.c (alias_get_name): Avoid creating
6010 extra unused identifiers if not dumping.
6011 (create_variable_info_for): Likewise.
6013 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
6015 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
6016 (derive_constant_upper_bound): Derive more precise upper bound in
6017 common cases. Return type changed to double_int.
6018 (record_estimate): Reflect the changed return type of
6019 derive_constant_upper_bound.
6020 * double-int.c (double_int_zext, double_int_sext): Fix.
6022 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
6024 * configure.ac (CFLAGS): Get them from the toplevel or from the
6025 configure invocation.
6026 * configure: Regenerate.
6027 * Makefile.in (CFLAGS): Substitute value provided by configure.
6029 2006-06-14 Mark Mitchell <mark@codesourcery.com>
6032 * c-common.h (c_finish_omp_atomic): Adjust declaration.
6033 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
6034 rather than calling add_stmt on it.
6035 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
6037 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
6040 * reload1.c (reload): Remove registers returned by update_eliminables
6041 from used_spill_regs.
6043 2006-06-13 DJ Delorie <dj@redhat.com>
6045 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
6047 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
6049 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
6050 html__strip_dir, html__mkdir_p. Enhance install-html target.
6051 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
6052 * configure: Regenerate.
6054 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
6056 * fold-const.c (fold_cond_expr_with_comparison): Check for
6057 Objective-C++ as language in deciding COND_EXPR transformation.
6059 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
6062 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
6063 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
6064 * config/sh/lib1funcs.h (SL, SL1): Define.
6065 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
6066 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
6067 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
6068 (OBJS_Os_4_200): New variable.
6069 ($(T)libgcc-Os-4-200.a): Use it.
6070 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
6071 when dividing 1 and/or by 0.
6073 2006-06-13 Roger Sayle <roger@eyesopen.com>
6075 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
6076 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
6077 * configure: Regenerate.
6079 2006-06-13 Jie Zhang <jie.zhang@analog.com>
6081 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
6082 for real instruction.
6084 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6087 * haifa-sched.c (check_cfg): Handle special case.
6089 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
6092 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
6093 Add debug_info parameter. Chain the vars to the BLOCK instead
6094 of the BIND_EXPR if debug info are requested for them.
6095 (pop_gimplify_context): Adjust for above change.
6096 (gimple_add_tmp_var): Likewise.
6097 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
6099 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
6100 (convert_local_reference): Likewise.
6101 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
6102 (finalize_nesting_tree_1): Request that debug info be emitted
6103 for debug_var_chain.
6105 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6107 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
6108 for PR target/27863.
6110 2006-06-13 Richard Guenther <rguenther@suse.de>
6113 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
6115 2006-06-13 Richard Guenther <rguenther@suse.de>
6117 PR tree-optimization/27830
6118 * tree-inline.c (copy_body_r): For copying the operand
6119 of an ADDR_EXPR make sure to fold &* afterwards.
6121 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
6123 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
6124 lvalues in the fb_none case with side-effects.
6126 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
6128 * tree-flow.h: Remove the prototype for
6129 compute_phi_arg_on_exit.
6130 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
6131 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
6134 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
6136 * builtins.c (expand_builtin_return_addr): Only use
6137 frame_pointer_rtx when count == 0 and we are expanding
6138 __builtin_return_address.
6140 2006-06-12 Fred Fish <fnf@specifix.com>
6142 * config/mips/mips.c (mips_file_start): Create special section
6143 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
6145 2006-06-11 Eric Christopher <echristo@apple.com>
6148 * stor-layout.c (place_field): Remove check for
6149 remaining_in_alignment when aligning at the end of a run.
6151 2006-06-11 Eric Christopher <echristo@apple.com>
6154 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
6157 2006-06-11 Roger Sayle <roger@eyesopen.com>
6160 Revert incorrect fix for PR target/27158
6161 2006-05-08 Roger Sayle <roger@eyesopen.com>
6162 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6163 of a reg_equiv_constant if the result is a legitimate constant.
6165 2006-06-11 Roger Sayle <roger@eyesopen.com>
6168 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
6169 extract a CONST_VECTOR element and interpret it as an integer.
6170 (vspltis_constant): Use const_vector_elt_as_int instead of the
6171 macro CONST_VECTOR_ELT in order to handle FP vector modes.
6172 * config/rs6000/predicates.md (easy_vector_const): Consider
6173 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
6175 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
6178 * stor-layout.c (update_alignment_for_field): Don't add extra
6179 alignment for packed non-bitfield fields in ms_bitfield_layout_p
6182 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
6184 * config/mips/t-rtems: Add EL/EB multilib variants.
6186 2006-06-09 Mike Stump <mrs@apple.com>
6188 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
6190 2006-06-09 David Daney <ddaney@avtrex.com>
6192 * doc/install.texi: Add binutils version recommendation for mips-*-*.
6194 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
6196 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
6198 2006-06-09 Richard Guenther <rguenther@suse.de>
6200 PR tree-optimization/26998
6201 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
6202 of signed types, only TYPE_MIN_VALUE is special, but for both,
6203 minimum and maximum value. Likewise VR_ANTI_RANGE is special
6204 in this case, as is -fwrapv.
6206 2006-06-08 Mike Stump <mrs@apple.com>
6209 * config/darwin.c (darwin_asm_output_anchor): Disable
6210 -fsection-anchors on darwin for now.
6211 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
6212 * rs6000/rs6000.c (optimization_options): Likewise.
6214 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6217 * config/i386/i386.c (classify_argument): Skip fields with invalid
6220 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
6222 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
6223 (cse_insn): Likewise for the stack_pointer_rtx.
6225 2006-06-08 Roger Sayle <roger@eyesopen.com>
6227 * tree-ssa-dom.c (record_conditions): Only record "unordered"
6228 conditions from floating point comparisons.
6230 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
6233 * expmed.c (struct alg_hash_entry): Fix type of field T
6234 to match synth_mult argument.
6235 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
6237 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6240 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
6243 2006-06-08 Richard Guenther <rguenther@suse.de>
6246 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
6247 only, if overflow is defined and not trapping.
6248 (negate_expr): Likewise.
6250 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6252 PR tree-optimization/27872
6253 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
6254 flag on the new exit edge of the unrolled loop.
6256 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6258 PR rtl-optimization/26449
6259 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
6261 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
6264 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
6265 referenced_variables with matching DECL_UID's.
6266 (find_referenced_vars): Make sure duplicate list is empty to start.
6267 (referenced_var_p): Remove.
6268 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
6269 Check if var is in the list, and add if needed. Update the duplicate
6270 list if a different var is in the list with the same DECL_UID.
6271 (add_referenced_var): Call routine to check and insert.
6272 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
6273 * tree-flow.h (referenced_vars_dup_list): External declaration.
6275 2006-06-07 Fred Fish <fnf@specifix.com>
6277 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
6280 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
6283 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
6284 the imaginary and real parts of a clobbered register.
6285 Emit insn to set the imaginary part.
6287 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
6289 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
6290 in lieu of unwind-dw2-fde.c.
6292 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6294 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
6296 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
6299 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
6300 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
6301 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
6302 V4SImode temporaries and operations instead.
6304 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
6306 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
6309 2006-06-06 Mike Stump <mrs@apple.com>
6311 * Makefile.in: Rename to htmldir to build_htmldir to avoid
6312 installing during build.
6314 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6316 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
6318 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6319 * config/ia64/ia64.c (params.h): New header.
6320 (ia64_optimization_options): New function to adjust parameters.
6321 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
6322 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
6323 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
6325 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
6327 * stor-layout.c (debug_rli): Fix a typo in a debug message.
6329 2006-06-05 Steve Ellcey <sje@cup.hp.com>
6332 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
6334 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
6335 Victor Kaplansky <victork@il.ibm.com>
6337 PR tree-optimization/26360
6338 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
6341 2006-06-04 Roger Sayle <roger@eyesopen.com>
6342 Andrew Pinski <pinskia@physics.uc.edu>
6345 * c-common.c (c_common_truthvalue_conversion): Explicitly check
6346 for LABEL_DECL before calling DECL_WEAK.
6349 * c-typeck.c (build_binary_op): Likewise, explicitly check for
6350 LABEL_DECL and PARM_DECL.
6352 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
6356 * c-decl.c (grokdeclarator): Disallow variably modified types at
6357 file scope. Avoid marking shared array type of constant size as
6360 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6363 * c-common.c (fold_offsetof_1): Handle static members.
6365 2006-06-04 Eric Christopher <echristo@apple.com>
6367 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
6368 (debug_rli): Output value for remaining_in_alignment.
6369 (update_alignment_for_field): Unconditionalize
6370 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
6371 extra alignment code.
6372 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
6373 ms_bitfield_layout_p code. Rewrite handling of structure fields.
6374 * tree.h (record_layout_info_s): Remove prev_packed.
6375 * doc/extend.texi (ms_struct): Add documentation of format.
6377 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
6379 * tree.h: Declare folding_initializer.
6380 * builtins.c (fold_builtin_constant_p): Give definite answer
6381 if folding inside an initializer.
6382 * fold-const.c: Define folding_initializer.
6383 (START_FOLD_INIT): Save and then set folding_initializer.
6384 (END_FOLD_INIT): Restore folding_initializer.
6386 2006-06-04 Richard Guenther <rguenther@suse.de>
6388 PR tree-optimization/27039
6389 * fold-const.c (fold_comparison): Handle pointer comparison
6390 again for all comparison codes. Compare offsets in signed
6392 (fold_binary): Move code from here.
6394 2006-06-03 Roger Sayle <roger@eyesopen.com>
6397 * config/i386/i386.c (construct_container): Split static issued_error
6398 flag into issued_sse_arg_error, issued_sse_ret_error and
6399 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
6400 requires the use of x87 registers and the user explicitly
6401 specified the -mno-80387 command line option.
6403 2006-06-02 Geoffrey Keating <geoffk@apple.com>
6405 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
6406 HAVE_DECL_SIGALTSTACK.
6408 (segv_handler): Use MC_FLD.
6409 * configure.ac: Check for a sigaltstack declaration.
6410 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
6411 * configure: Regenerate.
6412 * config.in: Regenerate.
6414 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
6417 * Makefile.in (stmp-fixinc): Fix typo.
6419 2006-06-02 Roger Sayle <roger@eyesopen.com>
6421 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
6422 are type correct. Clean-up.
6423 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6424 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
6426 2006-06-01 DJ Delorie <dj@redhat.com>
6428 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
6429 shift, as we've disabled the "switch" insn that needs it.
6431 2006-06-01 Per Bothner <bothner@bothner.com>
6433 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
6434 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
6435 * c-ppoutput.c (cb_define): Don't increment line 0.
6437 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
6439 * doc/invoke.texi: Add cpu_type power6.
6440 * config.gcc: Add cpu_type power6.
6441 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
6442 to power5+ with Altivec.
6443 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
6444 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
6446 2006-05-30 Anatoly Sokolov <aesok@post.ru>
6448 * config/avr/avr.h (SET_ASM_OP): Define.
6450 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
6452 * config/bfin/bfin.c: Fix comment typos.
6454 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6457 * doc/install.texi: Document --enable-bootstrap and
6458 --disable-bootstrap.
6460 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6462 * doc/install.texi: Document that InfoZIP can replace jar.
6464 2006-05-31 Roger Sayle <roger@eyesopen.com>
6466 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
6467 isn't available, directly generate the simpler x87 patterns without
6468 the (use (const_int 0)).
6469 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
6470 implementation isn't available.
6471 (*negdf2_1): Likewise.
6472 (*negxf2_1): XF mode negation is always done using the x87.
6473 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
6475 2006-05-31 Roger Sayle <roger@eyesopen.com>
6477 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
6478 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
6480 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
6482 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6484 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
6485 * config/bfin/bfin.c (basic-block.h): Include.
6486 (struct machine_function): New.
6487 (bfin_init_machine_status): New.
6488 (override_options): Initialize init_machine_status.
6489 (bfin_hardware_loop): New.
6490 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
6491 (DEF_VEC_P (loop_info)): New.
6492 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
6493 (struct loop_info): New.
6494 (loop_info): New typedef.
6495 (struct loop_work): New.
6496 (loop_work): New typedef.
6497 (DEF_VEC_O (loop_work)): New.
6498 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
6499 (bfin_dump_loops): New.
6500 (bfin_bb_in_loop): New.
6501 (bfin_scan_loop): New.
6502 (bfin_optimize_loop): New.
6503 (bfin_reorg_loops): New.
6504 (bfin_reorg): Use bfin_reorg_loops.
6505 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
6507 (I_REGNO_P): Simplify.
6508 (DP_REGNO_P, DPREG_P): New macros.
6509 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
6510 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
6511 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6512 Add LT_REGS, LC_REGS, LB_REGS.
6513 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
6515 (REGNO_REG_CLASS): Deal with loop registers.
6516 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
6518 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
6519 New constants for loop registers.
6520 (UNSPEC_LSETUP_END): New.
6521 (seq_insns): New define_attr. Set it for appropriate insns.
6522 (movsi_insn): Add alternatives for move from/to
6523 loop count registers.
6524 (doloop_end): New define_expand.
6525 (loop_end): New define_insn.
6526 (define_split for bad doloop_end): New.
6527 (lsetup_with_autoinit): New define_insn.
6528 (lsetup_without_autoinit): New define_insn.
6529 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
6530 * config/bfin/predicates.md (lc_register_operand): New.
6531 (lt_register_operand): New.
6532 (lb_register_operand): New.
6533 (nondp_register_operand): New.
6534 (nondp_reg_or_memory_operand): New.
6535 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
6537 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6539 * config/bfin/bfin.c (bfin_delegitimize_address): New.
6540 (TARGET_DELEGITIMIZE_ADDRESS): Define.
6542 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
6544 * Makefile.in (CATALOGS): Add po/ prefix.
6545 * configure: Regenerated.
6547 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
6550 * arm.c (arm_print_operand case 'S'): Validate that the operand is
6551 a shift operand before calling shift_op. Avoid redundant call of
6554 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
6555 DJ Delorie <dj@redhat.com>
6557 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
6558 we're inserting is a singlt-bit constant.
6560 2006-05-30 Roger Sayle <roger@eyesopen.com>
6562 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
6563 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
6565 2006-05-30 Roger Sayle <roger@eyesopen.com>
6567 PR tree-optimization/23452
6568 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
6569 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
6570 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
6571 complex values and with -ffast-math for FP complex values.
6573 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
6575 * c-common.h: Remove the prototype for yyparse.
6576 * rtl.h: Remove the prototype for init_loop.
6578 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
6580 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
6583 2006-05-30 Roger Sayle <roger@eyesopen.com>
6585 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
6587 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
6588 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
6590 2006-05-30 Dirk Mueller <dmueller@suse.de>
6593 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
6594 for CONSTANT_CLASS_P expresisons.
6596 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6599 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
6601 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
6603 PR tree-optimization/27779
6604 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
6605 initial_condition instead of CHREC_LEFT.
6607 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
6609 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
6610 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
6611 Make prototypes ISO C90.
6613 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
6614 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6616 * see.c (see_analyze_one_def): Correct check.
6617 (see_get_extension_data): Check if extension is parallel.
6618 (see_get_extension_reg): Likewise.
6620 2006-05-30 Uros Bizjak <uros@kss-loka.si>
6623 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
6624 into register for (code == GTU).
6626 2006-05-29 Roger Sayle <roger@eyesopen.com>
6628 PR tree-optimization/24964
6629 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
6630 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
6631 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
6632 abs(x)*abs(x) as x*x for scalar floating point modes.
6634 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
6637 * lambda-code.c (perfect_nestify): Don't copy statements
6638 in the inner loop: move them to the inner loop header.
6640 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6643 * c-tree.texi: Document OpenMP directives and clauses.
6645 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6647 * varasm.c (globalize_decl): Fix indentation.
6649 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6652 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
6653 pass_fre, pass_store_ccp, pass_copy_prop,
6654 pass_store_copy_prop, pass_merge_phi, pass_nrv,
6655 pass_return_slot, pass_object_size, pass_lim,
6656 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
6657 pass_loop_prefetch and pass_stdarg.
6659 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
6661 * config/bfin/bfin.opt (mfdpic): New option.
6662 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
6663 (EXTRA_MULTILIB_PARTS): Likewise.
6664 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
6665 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
6667 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
6668 (CRT_CALL_STATIC_FUNCTION): New.
6669 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
6671 (CRT_CALL_STATIC_FUNCTION): New.
6672 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
6674 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
6675 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
6676 (initialize_trampoline): Changed to handle FD-PIC code generation.
6677 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
6678 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
6679 (override_options): Disallow -mid-shared-library -mfdpic combination.
6680 Can't do unaligned ops if FD-PIC.
6681 Turn off flag_pic if trying to generate non-id-shared-library
6682 non-fdpic code, since it's not supported.
6683 (bfin_assemble_integer): New function.
6684 (TARGET_ASM_INTEGER): Define.
6685 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
6687 * config/bfin/crtn.s: Restore them.
6688 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
6690 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
6691 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
6692 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
6693 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
6694 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
6696 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
6697 FDPIC_REGS and FDPIC_FPTR_REGS.
6698 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
6699 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
6700 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
6701 (load_funcdescsi): New pattern.
6702 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
6703 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
6704 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
6706 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6708 * gcse.c, rtlanal.c: Remove obsolete comments associated with
6711 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
6713 * tree-flow.h: Remove the prototype for add_type_alias.
6714 * tree-ssa-alias.c (add_type_alias): Remove.
6716 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
6718 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
6719 config/fr30/fr30.md, config/i386/i386-interix.h,
6720 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
6721 config/sh/superh64.h, config/v850/v850.c, df-core.c,
6722 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
6723 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
6724 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
6725 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
6726 Follow spelling conventions.
6727 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
6728 Follow spelling conventions.
6730 2006-05-27 Richard Guenther <rguenther@suse.de>
6733 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6734 to produce a constant of value 1 of generic type.
6736 2006-05-27 Dirk Mueller <dmueller@suse.de>
6738 * cgraphunit.c (decide_is_function_needed): Fix wrong
6741 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6743 PR rtl-optimization/27661
6744 * reload.c (find_reloads): When reloading a VOIDmode constant
6745 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6746 use Pmode as mode of the reload register.
6748 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
6750 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6751 is enabled at -O and above.
6753 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
6756 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6759 2006-05-25 Mark Mitchell <mark@codesourcery.com>
6762 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6763 for anonymous variables explicitly declared by front ends.
6765 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6767 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6768 (struct alias_info): Add new field ref_all_symbol_mem_tag.
6769 * tree-ssa-alias.c (compute_may_aliases): If the program contains
6770 ref-all pointers, run a finalization pass for them.
6771 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6772 (finalize_ref_all_pointers): New function.
6773 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6774 regular pointer type to a ref-all pointer type.
6775 (get_tmt_for): Return the special memory tag for ref-all pointers.
6777 2006-05-25 Richard Guenther <rguenther@suse.de>
6780 * fold-const.c (fold_binary): Do not look at the stripped
6781 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6783 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6785 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6786 for LT and GT if the computed range is effectively empty.
6788 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6791 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6792 mips_quad_format formats instead of ieee_single_format,
6793 ieee_double_format and ieee_quad_format formats, respectively.
6795 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6797 PR tree-optimization/27639
6798 PR tree-optimization/26719
6799 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6800 call to scev_probably_wraps_p.
6801 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6802 used_in_pointer_arithmetic_p, convert_step): Removed.
6803 (nowrap_type_p): New function.
6804 (scev_probably_wraps_p): Rewritten.
6805 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6806 chrec_convert if chrec_convert_aggressive might have been used.
6807 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6808 scev_direction): New functions.
6809 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6810 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6811 instead of convert_step.
6812 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6813 (convert_step): Declaration removed.
6814 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6816 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6818 * df-core.c: Added to header comments.
6819 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6820 df_ur_bb_info, df_urec_bb_info): Added comments.
6821 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6822 urec, ri problems): Fixed header comments.
6823 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6824 code from df_rd_transfer_function.
6826 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6828 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6829 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6830 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6832 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6834 * expr.c (undefined_operand_subword_p): New.
6835 (emit_move_multi_word): Do not generate move from undefined bits
6836 of a paradoxical subreg.
6838 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6840 PR rtl-optimization/27736
6841 * combine.c (replaced_rhs_value): New variable.
6842 (combine_instructions): Set it.
6843 (distribute_notes): When distributing a note in replaced_rhs_insn,
6844 check whether the value was used in replaced_rhs_value.
6846 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6849 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6850 add_referenced_var instead of add_referenced_tmp_var.
6851 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6852 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6854 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6855 tree_optimize_tail_calls_1): Use add_referenced_var.
6856 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6857 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6858 Use add_referenced_var.
6859 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6860 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6861 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6862 Use add_referenced_var.
6863 * tree-dfa.c (struct walk_state): Remove.
6864 (find_referenced_vars): Remove walk state and vars_found hash table.
6865 (make_rename_temp): Use add_referenced_var.
6866 (find_vars_r): Pass less parameters to add_referenced_var.
6867 (referenced_var_p): New. Is var in referenced_var hash table.
6868 (referenced_var_insert): Assert var isn't already in hash table.
6869 (add_referenced_var): Don't need walk_state parameter. Add var if it
6870 isn't already in the hash table.
6871 (add_referenced_tmp_var): Remove.
6872 (find_new_referenced_vars_1): Use add_referenced_var.
6873 * tree-ssa-pre.c (create_expression_by_pieces,
6874 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6875 Use add_referenced_var.
6876 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6877 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6878 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6880 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6881 vect_create_data_ref_ptr, vect_create_destination_var,
6882 vect_init_vector, vect_build_loop_niters,
6883 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
6884 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
6885 Use add_referenced_var.
6886 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
6887 * tree-flow.h (add_referenced_tmp_var): Remove prototype
6888 (add_referenced_var): Add prototype.
6889 * tree-ssa-structalias.c (get_constraint_for,
6890 intra_create_variable_infos): Use add_referenced_var.
6892 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
6894 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
6895 big-endian paradoxical subregs.
6896 * var-tracking.c (struct micro_operation_def): Document that,
6897 for modify micro operations, insn is the subsequent instruction.
6898 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
6899 (var_reg_set, var_mem_set): ... new functions.
6900 (add_stores): Record subsequent insn.
6901 (compute_bb_dataflow): Use new functions for MO_USE.
6902 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
6903 notes after the insn, and modify notes before the insn known
6904 to be the subsequent one.
6905 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
6907 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
6910 * config/i386/i386.c (ix86_expand_builtin): Use
6911 gen_sse3_monitor64 for TARGET_64BIT.
6913 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6915 PR rtl-optimization/26375
6916 PR rtl-optimization/26855
6917 * df-problems (df_ru_bb_local_compute_process_def): Removed update
6919 (df_ru_bb_local_compute): Reversed statements and removed bogus
6920 comment explaining why they should be in wrong order.
6921 (df_ru_dump, df_rd_dump): Enhanced debug info.
6922 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
6924 * ddg.c (add_deps_for_def): Converted use of reaching defs to
6925 reaching uses and fixed space problem.
6927 2006-05-23 Jan Hubicka <jh@suse.cz>
6929 * cgraphunit.c (decide_is_function_needed): Also nested functions
6930 and functions declared inline can be optimized out at -O0.
6932 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
6934 * doc/install.texi (Configuration): Remove reference to CrossGCC
6938 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6941 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
6942 ix86_compare_emitted is non-NULL.
6944 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6947 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
6950 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6952 PR rtl-optimization/25514
6953 * combine.c (replaced_rhs_insn): New variable.
6954 (combine_instructions): Set replaced_rhs_insn when trying to replace
6955 a SET_SRC with a REG_EQUAL note.
6956 (distribute_notes): Use replaced_rhs_insn when determining the live
6957 range of a REG_DEAD register.
6959 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
6960 Anatoly Sokolov <aesok@post.ru>
6962 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
6963 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
6964 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
6965 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
6966 atmega3290, atmega649, atmega6490, atmega406, atmega640,
6967 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
6968 at90usb647, at90usb1286 and at90usb1287 devices.
6969 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6970 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6972 2006-05-22 Richard Sandiford <richard@codesourcery.com>
6974 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6976 2006-05-22 Richard Guenther <rguenther@suse.de>
6979 2006-01-31 Richard Guenther <rguenther@suse.de>
6980 Paolo Bonzini <bonzini@gnu.org>
6982 * doc/install.texi (--disable-libgcc-math): Document.
6984 2006-05-22 Richard Guenther <rguenther@suse.de>
6987 2006-01-31 Richard Guenther <rguenther@suse.de>
6989 * doc/invoke.texi (-msselibm): Document.
6990 * target.h (expand_library_builtin): New target hook.
6991 * builtins.c (expand_builtin): Use expand_library_builtin.
6992 (default_expand_library_builtin): New function.
6993 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6994 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6995 (link_gcc_math_spec): Declare.
6996 (static_specs): Add link_gcc_math_spec.
6997 * expr.h (default_expand_library_builtin): Declare.
6998 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6999 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7000 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7001 * config/i386/i386.opt (msselibm): New target option.
7002 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7003 (ix86_init_sse_abi_builtins): New function.
7004 (ix86_expand_library_builtin): Likewise.
7005 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7006 (override_options): Handle error conditions wrt -msselibm.
7007 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7008 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7009 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7012 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7015 * c-common.c (self_promoting_args_p): Skip erroneous args.
7018 * c-decl.c (finish_struct): Skip erroneous fields.
7020 2006-05-22 Nick Clifton <nickc@redhat.com>
7022 * config/cris/cris.opt (march): Remove VarExists attribute.
7023 (max-stackframe=): Likewise.
7025 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7027 * doc/rtl.texi: Fix a typo.
7028 * see.c: Fix comment typos.
7030 * tree-ssa-structalias.h (alias_info): Remove num_references.
7032 2006-05-21 Mike Stump <mrs@apple.com>
7034 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
7036 (darwin_pragma_options): Use BAD instead.
7037 (darwin_pragma_unused): Likewise.
7038 (darwin_pragma_ms_struct): Likewise.
7040 2006-05-21 David Edelsohn <edelsohn@gnu.org>
7042 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
7044 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
7046 PR rtl-optimization/27671
7047 * simplify-rtx.c (simplify_relational_operation_1): Fix
7048 simplifications of (eq/ne (xor x y) y) and
7049 (eq/ne (xor x y) x).
7051 PR tree-optimization/26622.
7052 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
7055 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7057 * tree-cfg.c: Prune whitespace.
7058 (debug_tree_cfg): Point to correct header containing the
7061 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7064 * cgraphunit.c (verify_cgraph_node): Typo in error message.
7066 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
7069 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
7070 or sorry count is non zero.
7072 2006-05-20 Andreas Schwab <schwab@suse.de>
7074 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
7076 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
7077 Kenneth Zadeck <zadeck@naturalbridge.com>
7079 PR rtl-optimization/26855
7081 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
7083 (df_scan_alloc): Added code to properly handle multiword hard
7084 registers and add all_blocks parameter.
7085 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
7086 code to properly handle multiword hard registers.
7087 (df_rescan_blocks): Added code to remove deleted blocks from
7089 (df_ref_create_structure, df_ref_record): Added code to properly
7091 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
7092 and set DF_REF_PARTIAL.
7093 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
7094 (df_uses_record): Added DF_REF_PARTIAL for subreg.
7095 (df_scan_add_problem): Added flags parameter.
7096 (df_ref_create_structure): Changed switching structure.
7097 (df_bb_refs_record): Fixed case where duplicate artificial refs
7098 were created. Changed location of flags.
7099 (df_record_entry_block_defs): Added code to make stack pointer
7100 live in entry block. Refined cases where frame pointer is needed.
7101 Changed location of flags.
7102 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
7103 (df_set_state): Removed function.
7104 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
7105 df_insn_create_insn_record, df_insn_refs_delete,
7106 df_ref_create_structure): Formatting changes.
7107 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
7108 df_delete_basic_block): New function.
7109 (df_init): Changed location of flags.
7110 (df_add_problem): Added flags parameter and the way flags are
7112 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
7113 debug_df_chain): Improved debugging output.
7114 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
7115 (df_refs_chain_dump): Removed df parameter.
7116 (df_iterative_dataflow): Added consistency check.
7117 (df_prune_to_subcfg): Made public.
7118 (df_analyze_problem): Added blocks_to_init parameter and made
7120 (df_ref_record, df_bb_refs_record, df_mark_reg,
7121 df_record_exit_block_uses): Whitespace changes.
7122 (df_dump): Whitespace changes.
7123 * df.h: Some reordering to remove forward references.
7124 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
7125 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
7126 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
7127 (dataflow.flags): New field.
7128 (df.flag): Deleted field.
7129 (df_alloc_function): Added additional bitmap parameter.
7130 (df_dependent_problem_function): New type.
7131 (df_problem.changeable_flags): New field.
7132 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
7133 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
7134 (df_mw_hardreg): New struct.
7135 (DF_INSN_UID_MWS): New macro.
7136 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
7138 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
7139 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
7140 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
7141 (df_set_state): Removed function.
7142 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
7143 * df-problems.c (df_chain_dump): Removed df parameter.
7144 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
7145 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
7147 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
7148 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
7149 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
7150 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
7151 DF_REF_MUST_CLOBBER cases.
7152 (df_ru_bb_local_compute_process_def,
7153 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
7154 df_lr_bb_local_compute, df_ur_bb_local_compute,
7155 df_chain_create_bb): Made subreg aware.
7156 (df_ru_bb_local_compute, df_rd_bb_local_compute,
7157 df_lr_bb_local_compute, df_lr_bb_local_compute,
7158 df_chain_create_bb): Cleanup to use proper macros.
7159 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
7160 code to fixup bitvectors.
7161 (df_ri_alloc): Cleared lifetime.
7162 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
7163 df_create_unused_note): New function.
7164 (df_ri_bb_compute, df_ri_compute): Added code to create/update
7165 REG_DEAD and REG_UNUSED notes as well as register information.
7166 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
7167 df_chains_dump): Fixed crash if problem was never run.
7168 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
7169 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
7170 df_ri_add_problem): Processes flags in uniform manner.
7171 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
7172 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
7173 df_rd_dump, df_urec_free_bb_info): Formatting changes.
7174 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
7175 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
7176 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
7177 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
7178 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
7179 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
7180 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
7181 * see.c (see_initialize_data): Ditto.
7182 * final.c (rest_of_clean_state) Added regstack_completed.
7183 * rtl.h (regstack_completed): Ditto.
7184 * reg-stack.c (regstack_completed): Ditto.
7186 2006-05-19 Mike Stump <mrs@apple.com>
7188 * c-tree.h (default_conversion): Remove.
7189 * c-common.h (default_conversion): Add.
7191 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
7193 * tree-vrp.c (valid_value_p): New function.
7194 (adjust_range_with_scev): Fail if the value of bound is not
7197 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7199 * config/mips/linux-unwind.h: Include <asm/unistd.h>
7200 (mips_fallback_frame_state): Use syscall numbers to determine
7201 the appropriate li instruction for the current ABI. Only use
7202 __NR_sigreturn for o32.
7204 2006-05-19 Nicolas Setton <setton@adacore.com>
7206 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
7207 * langhooks.c (lhd_dwarf_name): New function.
7208 * langhooks-def.h (lhd_dwarf_name): Declare.
7209 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
7210 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
7211 * ada/misc.c (gnat_dwarf_name): New function.
7212 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
7214 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7216 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
7218 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
7219 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7220 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
7221 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
7222 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
7223 determine the size of Wtype, etc.
7224 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
7225 (swfloatfuncs): New variable.
7226 (dwfloatfuncs): Likewise.
7227 (lib2funcs): Remove floating-point conversion functions from
7228 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
7229 the set of conversion routines needed. Allow entries to specify
7230 an object name, filename and word size. Update users accordingly.
7231 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
7232 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
7236 2006-02-08 Roger Sayle <roger@eyesopen.com>
7239 * config/fixtfdi.c: New libgcc source file.
7240 * config/fixunstfdi.c: New source file.
7241 * config/floatditf.c: New source file.
7242 * config/floatunditf.c: New souce file.
7243 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7244 files above instead of config/mips/_tilib.c.
7245 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7247 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7249 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
7250 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
7252 2006-05-18 Mike Stump <mrs@apple.com>
7254 Fix up vla, vm and [*] sematics.
7260 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
7261 (c_vla_unspec_p): Add.
7262 (c_vla_type_p): Add.
7263 * c-decl.c (struct c_scope): Add had_vla_unspec.
7264 (build_array_declarator): Add support for [*].
7265 (grokdeclarator): Likewise.
7266 (grokparms): Likewise.
7267 (get_parm_info): Likewise.
7268 * c-objc-common.c (c_vla_unspec_p): Likewise.
7269 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
7270 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
7271 typeof when argument is a variably modified type not inside sizeof or alignof.
7272 (c_parser_direct_declarator_inner): Propagate errors.
7273 (c_parser_sizeof_expression): Add support for [*].
7274 (c_parser_parms_declarator): Initialize had_vla_unspec.
7275 (c_parser_parms_list_declarator): Likewise.
7276 * c-typeck.c (c_vla_type_p): Add.
7277 (composite_type): Add support for vla compositing.
7278 (comptypes_internal): Add support for vla compatibility.
7279 (c_expr_sizeof_expr): Evaluate vla arguments.
7280 * tree.c (variably_modified_type_p): Update comment for [*].
7282 2006-05-18 Michael Matz <matz@suse.de>
7285 * config.host: Make assignments to host_xmake_file cumulative.
7286 * config.host (*-darwin*): Test $host, not $target.
7288 2006-05-12 Stuart Hastings <stuart@apple.com>
7290 * config/i386/i386.opt (-mstackrealign): New flag.
7291 * config/i386/i386.c (force_align_arg_pointer): New attribute.
7292 (ix86_handle_cconv_attribute): Emit error when
7293 force_align_arg_pointer attribute collides with too many regparms.
7294 (ix86_function_regparm): Limit regparms when used with
7295 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
7296 Support stack-realigning prologue in non-main functions. Emit
7297 warning for nested functions under -mstackrealign, emit error for
7298 nested functions with force_align_arg_pointer attribute.
7299 * doc/extend.texi (force_align_arg_pointer): Document it.
7300 * doc/invoke.texi (-mstackrealign): Document it.
7302 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
7304 PR rtl-optimization/27477
7305 * combine.c (try_combine): Don't split a parallel consisting
7306 of two sets into two individual sets if both sets reference
7309 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
7311 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
7312 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
7314 * doc/options.texi (VarExists): Updated.
7316 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7318 * unwind-dw2.c: Add declarations for uw_update_context and
7320 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
7321 detected, advance frame state and context once to skip over stub.
7323 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7327 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
7328 Call rewrite_into_loop_closed_ssa only when something changed.
7329 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
7330 * lambda-code.c (can_convert_to_perfect_nest): Declared.
7331 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
7332 Test for perfect_nest_p here. Fix formating.
7333 (replace_uses_equiv_to_x_with_y): Fix formating.
7334 (stmt_uses_op): Removed.
7335 (can_convert_to_perfect_nest): Removed loopivs parameter.
7336 Complete the test by checking the scalar dependences.
7337 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
7340 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7343 From Dan Kegel <dank@kegel.com>:
7344 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
7346 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
7348 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
7349 if the element type is variably modified without recursing.
7351 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7354 * tree-loop-linear.c (try_interchange_loops): Test for
7355 no data dependences.
7357 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
7359 PR tree-optimization/27548
7360 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
7361 range of ssa names that appear on abnormal edges.
7362 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
7363 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
7365 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7368 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
7370 2006-05-17 Jakub Jelinek <jakub@redhat.com>
7373 * tree.h (OMP_PARALLEL_COMBINED): Define.
7374 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
7375 (new_omp_context): Add is_combined_parallel argument.
7376 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
7377 new_omp_context caller.
7378 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
7379 Adjust gimplify_scan_omp_clauses callers.
7380 (omp_is_private): Issue errors if iteration variable is firstprivate
7381 or reduction in the current context.
7382 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
7383 on combined parallel workshare constructs.
7385 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7387 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
7388 (gcc-options.o): New rule.
7390 * optc-gen.awk: Protect variables for gcc-options.o with
7391 #ifdef GCC_DRIVER/#endif.
7393 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
7395 Fix PR tree-optimization/27373
7396 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
7397 (forward_propagate_addr_expr): Update call.
7399 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7401 * doc/options.texi: Move the Negative option.
7403 2006-05-16 Richard Guenther <rguenther@suse.de>
7405 PR tree-optimization/22303
7406 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
7408 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
7409 ccp_fold did not simplify the statement.
7411 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7414 * Makefile.in (GCC_OBJS): New.
7415 (OBJS-common): Add opts-common.o.
7416 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7417 (cpp$(exeext)): Likewise.
7418 (gcc.o): Also depend on opts.h.
7419 (opts-common.o): New.
7421 * common.opt (gcoff): Add Negative(gdwarf-2).
7422 (gdwarf-2): Add Negative(gstabs).
7423 (gstabs): Add Negative(gstabs+).
7424 (gstabs+): Add Negative(gvms).
7425 (gvms): Add Negative(gxcoff).
7426 (gxcoff): Add Negative(gxcoff+).
7427 (gxcoff+): Add Negative(gcoff).
7428 * config/i386/i386.opt (m32): Add Negative(m64).
7429 (m64): Add Negative(m32).
7431 * doc/options.texi: Document the Negative option.
7433 * gcc.c: Include "opts.h".
7434 (main): Call prune_options after expandargv.
7436 * optc-gen.awk: Generate common declarations for all flag
7437 variables in options.c. Output the neg_index field.
7439 * opts.c (find_opt): Moved to ...
7440 * opts-common.c: Here. New file.
7442 * opts.h (cl_option): Add a neg_index field.
7444 (prune_options): Likewise.
7446 2006-05-16 Jakub Jelinek <jakub@redhat.com>
7449 * omp-low.c (expand_omp_parallel): Don't assert
7450 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
7451 instead search for it.
7454 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
7457 2006-05-16 Andreas Schwab <schwab@suse.de>
7459 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
7462 2006-05-15 Roger Sayle <roger@eyesopen.com>
7465 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
7466 integer constants other than zero are only legitimate on TARGET_64BIT.
7467 <CONST_VECTOR> Only zero vectors are legitimate.
7468 (ix86_cannot_force_const_mem): Integral and vector constants can
7469 always be put in the constant pool.
7471 2006-05-16 DJ Delorie <dj@redhat.com>
7473 * crtstuff.c (__dso_handle): Set section from
7474 TARGET_LBIGCC_SDATA_SECTION if defined.
7475 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
7476 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
7478 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
7481 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
7484 2006-05-16 Ben Elliston <bje@au.ibm.com>
7486 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
7488 2006-05-15 Per Bothner <per@bothner.com>
7490 * tree.c: (last_annotated_node): Use source_locus typedef.
7491 This permits bootstrapping with --enable-mapped-location.
7493 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
7495 PR tree-optimization/26830
7496 * tree-into-ssa.c (struct ssa_name_info): Add age field.
7497 (info_for_ssa_name, current_info_for_ssa_name_age,
7498 blocks_to_update): New variables.
7499 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
7500 (clear_ssa_name_info, initialize_flags_in_bb,
7501 mark_block_for_update): New functions.
7502 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
7503 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
7504 prepare_def_site_for): Use mark_block_for_update.
7505 (mark_def_interesting): Assert that the processed block is marked in
7506 blocks_to_update. Do not take blocks argument.
7507 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
7509 (rewrite_update_init_block, rewrite_update_stmt): Only process
7510 blocks with statements to rewrite.
7511 (delete_update_ssa): Do not clear SSA_NAME_AUX.
7512 (update_ssa): Initialize and free blocks_to_update. Do not
7513 clear flags on statements. Do not use blocks bitmap.
7514 * tree.h (SSA_NAME_AUX): Removed.
7515 (struct tree_ssa_name): Removed aux field.
7516 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
7518 2006-05-15 Richard Guenther <rguenther@suse.de>
7520 PR tree-optimization/27603
7521 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
7522 Do computations in original type.
7524 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
7526 * see.c: Code style changes such as redundant paranthesis,
7527 redundant intialization of local variables etc.
7528 (see_main): Declared now as static.
7529 * doc/invoke.texi: Update that -fsee is not enabled by
7532 2006-05-15 Jakub Jelinek <jakub@redhat.com>
7534 * omp-low.c (check_omp_nesting_restrictions): New function.
7535 (scan_omp_1): Call it.
7538 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
7539 construct, return *VAR.
7541 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
7543 PR rtl-optimization/27406
7544 * bt-load.c (migrate_btr_def): Skip the block having abnormal
7547 2006-05-14 Roger Sayle <roger@eyesopen.com>
7549 PR rtl-optimization/27538
7550 * combine.c (expand_compound_operation): Call gen_lowpart
7551 before calling simplify_shift_const.
7553 2006-05-14 Roger Sayle <roger@eyesopen.com>
7555 PR rtl-optimization/22563
7556 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
7557 a fixed width bitfield, always force the intermediates into psuedos.
7559 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
7562 * mkconfig.sh: Use operator = instead of == for test.
7564 2006-05-13 Nick Clifton <nickc@redhat.com>
7566 * dwarf2out.c (dbx_reg_number): Check return value from
7567 LEAF_REG_REMAP and only use it if it is valid.
7568 (multiple_reg_loc_descriptor): Likewise.
7570 2006-05-13 Richard Guenther <rguenther@suse.de>
7572 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
7575 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
7577 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
7578 information attached to non-INSNs such as NOTEs.
7579 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
7581 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
7583 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
7585 * config/s390/s390.md: Adjust comment describing On constraint.
7587 2006-05-11 Jan Hubicka <jh@suse.cz>
7589 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
7590 to be output at -O0.
7592 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7595 * fold-const.c (size_binop): Move sanity check for arguments to
7596 the beginning of the function.
7599 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
7602 2006-05-11 Richard Guenther <rguenther@suse.de>
7605 * fold-const.c (fold_unary): Handle intermediate conversion
7606 to a pointer type like intermediate conversion to an integer
7607 type in folding of (T1)(T2)var to var.
7608 Match the code to the comment in the final conversion for
7609 (T1)(T2)var to (T1)var regarding to type precision. Rather
7610 than disallow T1 being of pointer type, assert that both T1
7611 and var are of pointer type or not. Make sure not to fall
7612 over the frontends lazyness wrt array to pointer decay though.
7614 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
7616 * arm.c (arm_struct_value_rtx): Delete.
7617 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
7618 (arm_init_cumulative_args): Always initialize nregs to zero.
7620 2006-05-10 Richard Guenther <rguenther@suse.de>
7622 PR tree-optimization/27532
7623 * tree-object-size.c (plus_expr_object_size): Fix typo.
7625 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
7628 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
7629 ashrdi_const, ashrdi3): Use a scratch register.
7631 2006-05-10 Richard Guenther <rguenther@suse.de>
7633 PR tree-optimization/27302
7634 * fold-const.c (operand_equal_p): For two comparisons,
7635 try comparison of one comparison code swapped if that yields
7638 2006-05-10 Ben Elliston <bje@au.ibm.com>
7640 * tree-pretty-print.c (pretty_print_string): No need to handle
7641 '\0' as a special character.
7643 * tree.h: Include "hashtab.h".
7644 (iterative_hash_expr): Use hashval_t in its prototype.
7645 * Makefile.in (TREE_H): Add $(HASHTAB_H).
7647 2006-05-09 Steve Ellcey <sje@cup.hp.com>
7650 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
7651 (hppa*64*-*-hpux11*): Ditto.
7652 (hppa[12]*-*-hpux11*): Ditto.
7654 2006-05-09 David Edelsohn <edelsohn@gnu.org>
7657 * config/rs6000/aix41.h (TARGET_64BIT): Define.
7659 2006-05-09 Michael Matz <matz@suse.de>
7661 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
7662 host_extra_gcc_objs and host_xmake_file.
7663 (<*-*-linux*>): Don't overwrite host_xmake_file.
7664 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
7665 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
7666 (host_detect_local_cpu): Declare.
7667 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
7668 * config/i386/i386.c (override_options): Handle -mtune=native
7670 * config/i386/x-i386: New file.
7671 * config/i386/driver-i386.c: New file.
7672 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
7675 2006-05-09 Dirk Mueller <dmueller@suse.de>
7676 Richard Guenther <rguenther@suse.de>
7679 * fold-const.c (fold_read_from_constant_string): Relax check
7680 for matching types to matching modes.
7682 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
7684 PR rtl-optimization/27335
7685 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
7688 2006-05-08 Chao-ying Fu <fu@mips.com>
7689 Richard Sandiford <richard@codesourcery.com>
7691 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
7692 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
7693 * config/mips/mips.md (UNSPEC_SCC): New constant.
7694 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
7695 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
7696 (mips_emit_compare): Use it.
7697 (mips_expand_vcondv2sf): New function.
7699 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
7701 Fix PR tree-optimization/27093
7702 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
7703 renaming when they become not-used_alone.
7705 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7707 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
7708 relocation and relocation stubs.
7710 2006-05-08 Eric Christopher <echristo@apple.com>
7712 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
7715 2006-05-08 Jan Hubicka <jh@suse.cz>
7718 * cgraphunit.c (decide_is_function_needed): When not optimizing even
7719 unused static functions are needed.
7721 2006-05-08 Roger Sayle <roger@eyesopen.com>
7724 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7725 of a reg_equiv_constant if the result is a legitimate constant.
7727 2006-05-08 Uros Bizjak <uros@kss-loka.si>
7730 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7731 standard 80387 constants, raise the cost to prevent
7732 compress_float_constant() to generate load from memory.
7734 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7736 * config/arm/constraints.md (c): Fix a typo.
7738 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7741 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7744 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7746 (_mm_mwait): Likewise.
7748 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7750 (sse3_monitor): Make it 32bit only.
7751 (sse3_monitor64): New. 64bit monitor.
7753 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7756 * config/i386/i386.c (classify_argument): Skip fields with invalid
7759 2006-05-07 Richard Guenther <rguenther@suse.de>
7761 PR tree-optimization/27409
7762 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7763 Do not try to find zero-sized subvars.
7765 2006-05-07 Richard Guenther <rguenther@suse.de>
7767 PR tree-optimization/27136
7768 * tree-ssa-loop-niter.c (get_val_for): Correct function
7769 comment, assert requirements.
7770 (loop_niter_by_eval): Stop processing if the iterated
7771 value did not simplify.
7773 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
7775 * opts.c (flag_see): remove its setting at -O3.
7777 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
7779 * genpeep.c (main): Make insn-peep.c depend on flags.h.
7780 * arm/constraints.md: New file.
7781 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7782 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7783 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7784 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7785 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7786 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7787 * arm.md: Include constraints.md.
7788 (thumb_movsi_insn): Use satisfies_constraint_J.
7789 (movhi, movqi): Use satisfies_constraint_I.
7791 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7793 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7794 for atmeg a645 device.
7796 2006-05-06 Richard Guenther <rguenther@suse.de>
7798 PR tree-optimization/27151
7799 * tree-vect-transform.c (vectorizable_condition): Punt on
7800 values that have a different type than the condition.
7802 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7805 * c-parser.c (c_parser_cast_expression): Only insert casts into
7806 hash table if pointer.
7807 * function.c (used_types_insert_helper): Rename from
7809 (used_types_insert): Call used_types_insert_helper.
7810 * function.h (used_types_insert): Accept only one argument.
7812 2006-05-05 David Edelsohn <edesohn@gnu.org>
7814 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7815 scratch with output modifier.
7817 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7820 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7821 with output modifier.
7823 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7826 * config/mips/mips.c (mips_symbolic_address_p): Return true
7827 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7828 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7830 2006-05-04 Richard Guenther <rguenther@suse.de>
7832 PR tree-optimization/14287
7833 PR tree-optimization/14844
7834 PR tree-optimization/19792
7835 PR tree-optimization/21608
7836 PR tree-optimization/27090
7837 * tree-ssa-pre.c (try_combine_conversion): New function.
7838 (compute_avail): After constructing the value-handle
7839 expression, use try_combine_conversion to combine NOP_EXPRs
7840 with previous value-handle expressions and use the result if it
7843 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7845 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7847 2006-05-04 Jan Hubicka <jh@suse.cz>
7850 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7852 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7854 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7855 that this only matches CONST_INTs. All users changed to VOIDmode
7858 * config/bfin/bfin.c: Include "optabs.h".
7859 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7861 (enum bfin_builtins): Add a number of fractional and vector builtins.
7862 (bfin_init_builtins): Likewise.
7863 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7864 (safe_vector_operand, bfin_expand_binop_builtin,
7865 bfin_expand_unop_builtin): New functions.
7866 (bfin_expand_builtin): Handle the new builtins.
7867 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7870 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7873 * Makefile.in (OBJS-common): Add see.o.
7874 (see.o): Add dependencies.
7875 * common.opt (fsee): New flag for the see optimization was added.
7876 * opts.c (flag_see): Initialized.
7877 * passes.c (init_optimization_passes, pass_see): New pass.
7878 * rtl.h (see_main): Declaration as extern.
7879 * timevar.def (TV_SEE): New.
7880 * tree-pass.h (pass_see): Declaration as extern.
7881 * invoke.texi (-fsee): Document.
7882 * recog.c (validate_simplify_insn): New function.
7883 * recog.h (validate_simplify_insn): Declaration as extern.
7884 * df-problems.c (df_chain_dump): Check for NULL.
7886 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
7887 Daniel Berlin <dberlin@dberlin.org>
7889 * cfgrtl.c (insert_insn_bb_end_new): New function.
7890 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
7892 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7894 * df.h (struct web_entry): Moved from web.c.
7895 (union_defs): Declaration as extern.
7896 (unionfind_root): Likewise.
7897 (unionfind_union): Likewise.
7898 * web.c (struct web_entry): Moved to df.h.
7899 (unionfind_root): Remove static declaration.
7900 (unionfind_union): Likewise.
7901 (union_defs): Likewise and generalize to use callback function.
7902 (web_main): Update arguments for union_defs function call.
7904 2006-05-04 Richard Guenther <rguenther@suse.de>
7906 PR tree-optimization/26447
7907 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
7908 produce SSA_NAME copies before the store stmt to avoid
7909 breaking exception handling.
7911 2006-05-04 Jakub Jelinek <jakub@redhat.com>
7914 * gimplify.c (omp_is_private): If var is shared in some outer context,
7915 return false instead of true. Stop searching on parallel context
7918 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
7921 * coverage.c: Use get_gcov_unsigned_t() instead of
7922 unsigned_type_node all over.
7924 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
7926 PR tree-optimization/27381
7927 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
7928 maintain the same immediate_use links.
7929 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7930 node rather than segfaulting.
7932 2006-05-03 Jakub Jelinek <jakub@redhat.com>
7935 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
7936 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
7937 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
7939 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
7941 Fix PR tree-optimization/26626
7942 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
7944 * tree-ssa-operands.c (access_can_touch_variable): Allow
7945 typecasting through union pointers.
7947 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7950 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
7951 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
7952 to find if var will be a global variable even in the nested context.
7953 (omp_copy_decl): Only check for global variable at the end, it might
7954 be overridden in outer contexts.
7955 (scan_sharing_clauses): For global variables don't create a field.
7956 (lower_rec_input_clauses): Do nothing for global shared variables.
7957 Emit a barrier at the end of ILIST if there were any decls in both
7958 firstprivate and lastprivate clauses.
7959 (lower_send_clauses): Do nothing for global variables except for
7962 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
7964 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
7965 of the correct signedness is returned.
7967 2006-05-02 Jeff Law <law@redhat.com>
7969 PR tree-optimization/27364
7970 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
7971 multiply expressions.
7973 2006-05-02 Tom Tromey <tromey@redhat.com>
7975 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7977 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7980 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7981 -mthumb -fPIC are used.
7983 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7984 Joshua Kinard <kumba@gentoo.org>
7987 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7988 with 64-bit pointers.
7990 2006-05-02 Paul Brook <paul@codesourcery.com>
7992 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7994 (create_fix_barrier): Check that a suitable barrier location is
7996 (arm_reorg): Include ftmp->address in allowable range of addresses.
7998 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
8001 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
8004 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8007 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
8008 around RESULT_DECL for result passed by reference.
8009 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
8010 * omp-low.c (use_pointer_for_field): Don't look at
8011 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
8012 (scan_omp_1): Call remap_decl on RESULT_DECLs.
8013 (lower_rec_input_clauses): Don't allocate VLA memory for the second
8014 time or var for passing by reference for
8015 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
8016 TREE_ADDRESSABLE variables when passing by reference.
8018 * omp-low.c (dump_omp_region): Fix output formatting.
8021 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
8022 (expand_omp_parallel): Likewise.
8023 * tree-cfg.c (move_sese_region_to_fn): Likewise.
8026 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
8027 on statement list containing also constructors and destructors.
8028 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
8031 * except.c (duplicate_eh_regions): Fix clearing of
8032 cfun->eh->region_array entries.
8034 2006-05-01 DJ Delorie <dj@redhat.com>
8036 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
8038 (gcc_cv_objdump): Likewise.
8039 * configure: Regenerated.
8041 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
8044 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
8045 templates for case 3 and 4.
8047 2006-05-01 DJ Delorie <dj@redhat.com>
8049 * vec.c: Include bconfig.h when appropriate.
8050 * Makefile.in (build/vec.o): Adjust dependencies.
8051 * mkconfig.sh: Make sure config.h isn't used for build machine
8054 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8056 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
8058 (mark_phi_for_rewrite): New function.
8059 (insert_phi_nodes_for, mark_use_interesting): Call
8060 mark_phi_for_rewrite.
8061 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
8062 (update_ssa): Initialize and free phis_to_rewrite.
8064 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8066 PR rtl-optimization/27291
8067 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
8068 folded to a constant.
8070 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8072 PR tree-optimization/27283
8073 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
8074 not whole # of iteration descriptions.
8075 (niter_for_exit): Return just # of iterations. Fail if # of iterations
8076 uses abnormal ssa name.
8077 (niter_for_single_dom_exit): Ditto.
8078 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
8079 return just the number of iterations.
8081 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8083 PR tree-optimization/27144
8084 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
8085 (record_estimate): Only record constant upper bound.
8086 (infer_loop_bounds_from_undefined): Call
8087 compute_estimated_nb_iterations just once.
8088 (proved_non_wrapping_p): Renamed to ...
8089 (n_of_executions_at_most): ... this. Expect bound to be a constant.
8090 (convert_step_widening, scev_probably_wraps_p): Call
8091 n_of_executions_at_most instead of proved_non_wrapping_p.
8092 (substitute_in_loop_info): Do not replace values in bounds.
8093 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
8096 2006-05-01 Richard Henderson <rth@redhat.com>
8099 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
8100 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
8103 2006-05-01 Roger Sayle <roger@eyesopen.com>
8105 * c-typeck.c (parser_build_binary_op): Don't call the function
8106 unsigned_conversion_warning to spot operand/result type overflow.
8107 (build_binary_op): Instead, call convert_and_check instead of
8108 convert to report the problem when the operands are promoted.
8109 * c-common.c (unsigned_conversion_warning): Make static.
8110 * c-common.h (unsigned_conversion_warning): Delete prototype.
8112 2006-05-01 Richard Guenther <rguenther@suse.de>
8114 PR tree-optimization/26726
8115 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
8117 (find_interesting_uses_address): ... we work around here
8118 by folding INDIRECT_REFs in the substituted base.
8120 2006-05-01 Diego Novillo <dnovillo@redhat.com>
8122 * omp-low.c (dump_omp_region): Add newlines.
8124 2006-04-30 Roger Sayle <roger@eyesopen.com>
8126 * common.opt (Woverflow): New command line option.
8127 * c-common.c (constant_expression_warning): Check warn_overflow.
8128 (overflow_waring): Pass OPT_Woverflow to warning.
8129 (unsigned_conversion_warning): Likewise.
8130 (convert_and_check): Likewise.
8131 * doc/invoke.texi: Document new command line option.
8133 2006-04-30 David Edelsohn <edelsohn@gnu.org>
8135 * config/rs6000/rs6000.c (rs6000_override_options): Enable
8136 TARGET_NO_FP_IN_TOC for section anchors.
8137 (optimization_options): Enable section anchors for all
8138 non-"Objective" languages.
8140 2006-04-28 Eric Christopher <echristo@apple.com>
8142 * config/darwin-c.c (darwin_ms_struct): Move this
8143 (darwin_set_default_type_attributes): and this...
8144 * config/darwin.c: ... here.
8145 * config/darwin.h (darwin_ms_struct): Declare.
8147 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
8149 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
8151 2006-04-28 Roger Sayle <roger@eyesopen.com>
8154 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
8155 (push_array_bounds): Delete prototype. Change BOUNDS argument to
8156 an unsigned HOST_WIDE_INT.
8157 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
8159 (really_start_incremental_init): No need to call convert because
8160 bitsize_zero_node is already of type bitsizetype.
8161 (push_init_level): Extract the value of constructor_index as an
8162 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
8163 (process_init_element): Likewise.
8165 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
8167 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
8168 value before passing to make_relative_prefix.
8170 2006-04-28 Alan Modra <amodra@bigpond.net.au>
8173 * builtins.c (expand_builtin_memset): Expand val in original mode.
8175 2006-04-27 Eric Christopher <echristo@apple.com>
8177 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
8178 with #ifndef/#endif.
8179 * config/darwin-c.c (darwin_ms_struct): New.
8180 (darwin_pragma_ms_struct): Ditto.
8181 (darwin_set_default_type_attributes): Ditto.
8182 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
8183 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
8184 Register ms_struct pragma.
8185 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
8186 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
8187 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
8188 darwin_set_default_type_attributes if TARGET_MACHO.
8190 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
8192 PR tree-optimization/26854
8193 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
8194 * doc/tree-ssa.texi: Update immuse iterator documentation.
8195 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
8196 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
8197 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
8198 first_safe_imm_use, next_safe_imm_use): Remove.
8199 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
8200 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
8201 (move_use_after_head): New. Helper function to sort immuses in a stmt.
8202 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
8203 (first_imm_use_stmt): New. Get first stmt in an immuse list.
8204 (next_imm_use_stmt): New. Get next stmt in an immuse list.
8205 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
8206 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
8207 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
8208 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
8209 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
8210 (perfect_nestify): Use new iterator.
8211 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
8213 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
8214 (next_imm_name): New field in struct immediate_use_iterator_d.
8215 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
8216 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
8217 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
8218 * tree-cfg.c (replace_uses_by): Use new iterator.
8219 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
8220 * tree-ssa-operands.c (correct_use_link): Remove.
8221 (finalize_ssa_use_ops): No longer call correct_use_link.
8223 2006-04-27 Stuart Hastings <stuart@apple.com>
8225 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
8226 * config/t-darwin (crt3.o): Use it.
8227 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
8228 'pmode', use Pmode instead of SImode for SYMBOL_REF.
8229 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
8230 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
8231 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
8234 2006-04-27 Roger Sayle <roger@eyesopen.com>
8236 * expmed.c (store_fixed_bit_field): If we're not optimizing for
8237 size, force the intermediate into a new pseudo rather instead of
8238 performing both a bitwise AND and a bitwise IOR in memory.
8240 2006-04-27 Richard Guenther <rguenther@suse.de>
8242 PR rtl-optimization/26685
8243 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
8244 this one "max-flow-memory-locations".
8246 2006-04-27 Richard Guenther <rguenther@suse.de>
8248 PR tree-optimization/25148
8249 * tree-vrp.c (compare_values): Remove code dealing with
8250 comparisons against type min/max value. Honour overflow
8251 and negative constants in code dealing with comparisons
8252 of plus and minus expressions.
8253 (value_inside_range): Use fold_binary with LE_EXPR and
8254 GE_EXPR rather than compare_values.
8256 2006-04-27 Dirk Mueller <dmueller@suse.de>
8258 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
8261 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
8263 * basic-block.h (safe_insert_insn_on_edge): Removed.
8264 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
8266 2006-04-26 David Edelsohn <edelsohn@gnu.org>
8267 Paolo Bonzini <bonzini@gnu.org>
8270 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
8271 (simplify_and_const_int): Same.
8273 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
8275 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
8277 2006-04-26 Jakub Jelinek <jakub@redhat.com>
8280 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
8281 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
8282 cgraph_global_info_ready.
8285 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
8288 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
8289 either decl or init is error_mark_node.
8292 * tree-flow.h (struct omp_region): Add sched_kind.
8293 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
8294 instead of extracting omp for data.
8295 (expand_omp_for): Save extracted sched_kind.
8297 2006-04-25 Roger Sayle <roger@eyesopen.com>
8299 * expmed.c (store_bit_field): Also check whether the bitsize is
8300 valid for the machine's "insv" instruction before moving the
8301 target into a pseudo for use with the insv.
8302 * config/i386/predicates.md (const8_operand): New predicate.
8303 * config/i386/i386.md (extv, extzv, insv): Use the new
8304 const8_operand predicate where appropriate.
8306 2006-04-25 DJ Delorie <dj@redhat.com>
8308 * doc/install.texi (Specific): Clarify that this is not a list of
8309 supported hosts or targets.
8311 2006-04-25 Richard Sandiford <richard@codesourcery.com>
8313 PR rtl-optimization/26725
8314 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
8315 block's BB_DIRTY flag.
8317 2006-04-25 Geoffrey Keating <geoffk@apple.com>
8319 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
8322 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
8323 to print an integer.
8325 2006-04-25 David Edelsohn <edelsohn@gnu.org>
8327 * varasm.c (align_variable): New function.
8328 (get_block_for_decl): Apply align_variable to DECL before
8329 calculating section information.
8330 (assemble_variable): Split out alignment computation.
8332 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
8334 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
8337 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
8339 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
8340 MODE_PARTIAL_INT mode.
8341 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
8342 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
8344 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
8345 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
8347 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
8349 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
8351 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
8352 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
8353 MACFLAG_IH): Likewise.
8354 (movstricthi_1): Renamed from "*movstricthi".
8355 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
8356 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
8357 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
8358 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
8359 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
8360 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
8361 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
8362 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
8363 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
8364 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
8365 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
8366 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
8367 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
8368 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
8369 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
8371 * doc/rtl.texi (ss_ashift): Improve wording.
8373 2006-04-24 Geoffrey Keating <geoffk@apple.com>
8375 * dwarf2out.c (verify_marks_clear): New.
8376 (prune_unused_types): Call verify_marks_clear initially, not
8379 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
8381 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
8382 * doc/rtl.texi: Document them.
8383 * simplify-rtx.c (simplify_unary_operation,
8384 simplify_binary_operation_1): Don't abort when we see them.
8386 2006-04-24 Mark Mitchell <mark@codesourcery.com>
8389 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8390 * configure.ac: Completely disregard languages that are not
8392 * configure: Regenerated.
8394 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8395 Richard Guenther <rguenther@suse.de>
8397 PR tree-optimization/27236
8398 * tree-inline.c (copy_body_r): Make sure to copy
8399 TREE_THIS_VOLATILE flag.
8401 2006-04-24 Richard Guenther <rguenther@suse.de>
8404 * tree-complex.c (update_parameter_components): Don't handle
8405 unused parameters which have no default def.
8407 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8408 Richard Guenther <rguenther@suse.de>
8410 PR tree-optimization/27218
8411 * tree-inline.c (expand_call_inline): Strip useless type
8412 conversions for the return slot address.
8414 2006-04-24 Richard Guenther <rguenther@suse.de>
8416 * cfgloop.h (struct loops): Remove unused field array. Reorder
8418 (LOOP_PREFETCH): Remove.
8420 2006-04-24 Richard Guenther <rguenther@suse.de>
8422 PR tree-optimization/22525
8423 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
8424 variable, adjust types of generated expressions.
8426 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
8428 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
8429 (tree-vect-patterns.o): Likewise.
8431 (cselib.o): Likewise.
8432 (loop-doloop.o): Likewise.
8433 (regclass.o): Likewise.
8434 (reload1.o): Likewise.
8435 (explow.o): Replace target.h with $(TARGET_H).
8436 (ipa-prop.o): Likewise.
8437 (ipa-cp.o): Likewise.
8438 (ipa-inline.o): Likewise.
8439 (reorg.o): Likewise.
8440 (reg-stack.o): Likewise.
8442 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8444 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
8446 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8448 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
8450 * configure.ac: Completely disregard languages that are not
8452 * configure: Regenerated.
8455 * c-common.h (c_build_bitfield_integer_type): Declare.
8456 * c-decl.c (c_build_bitfield_integer_type): Move to ...
8457 * c-common.c (c_build_bitfield_integer_type): ... here.
8459 2006-04-23 Roger Sayle <roger@eyesopen.com>
8462 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
8463 a SImode SUBREG of a floating point register after no_new_pseudos.
8465 2006-04-23 Roger Sayle <roger@eyesopen.com>
8467 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
8468 identify potentially eliminable registers to additionally catch
8469 VIRTUAL_INCOMING_ARGS_REGNUM.
8470 (addsi3): Update the conditions on when to use addsi_small_int.
8472 2006-04-23 Roger Sayle <roger@eyesopen.com>
8475 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
8476 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
8477 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
8479 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8481 * fold-const.c (range_predecessor): Use operand_equal_p
8482 as the predicate for equality.
8483 (range_successor): Likewise.
8485 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8488 * config/soft-fp/op-common.h: Fix a typo.
8490 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
8493 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
8494 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
8496 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8498 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
8500 * doc/tm.texi: Fix a typo.
8502 2006-04-21 Geoffrey Keating <geoffk@apple.com>
8504 * dwarf2out.c (struct die_struct): Document that die_sib makes
8505 a circular linked list.
8506 (FOR_EACH_CHILD): New.
8507 (reverse_die_lists): Delete.
8508 (reverse_all_dies): Delete.
8509 (add_dwarf_attr): Correct documentation.
8510 (remove_child_with_prev): New.
8511 (remove_child_TAG): Update for change to die_struct, use
8512 remove_child_with_prev.
8513 (add_child_die): Update for change to die_struct.
8514 (splice_child_die): Use remove_child_with_prev and add_child_die.
8515 (print_die): Use FOR_EACH_CHILD.
8516 (die_checksum): Likewise.
8517 (assign_symbol_names): Likewise.
8518 (output_location_lists): Likewise.
8519 (build_abbrev_table): Likewise.
8520 (calc_die_sizes): Likewise.
8521 (mark_dies): Likewise.
8522 (unmark_dies): Likewise.
8523 (unmark_all_dies): Likewise.
8524 (output_die): Likewise.
8525 (prune_unused_types_mark): Likewise.
8526 (prune_unused_types_walk): Likewise.
8527 (same_die_p): Update for change to die_struct.
8528 (break_out_includes): Likewise.
8529 (prune_unused_types_prune): Likewise.
8530 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
8531 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
8533 (dwarf2out_finish): Don't call reverse_all_dies.
8535 2006-04-21 Eric Christopher <echristo@apple.com>
8537 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
8538 in comments and function names.
8540 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8543 * c-typeck.c (digest_init): Robustify.
8545 * c-typeck.c (pop_init_level): Simplify.
8547 2006-04-21 Steve Ellcey <sje@cup.hp.com>
8549 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
8551 2006-04-21 Paul Brook <paul@codesourcery.com>
8553 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
8554 hardware floating point.
8556 2006-04-21 David Edelsohn <edelsohn@gnu.org>
8558 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
8561 2006-04-21 Nick Clifton <nickc@redhat.com>
8563 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
8566 2006-04-21 Alan Modra <amodra@bigpond.net.au>
8569 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
8570 C++ lang type in traceback table for Objective-C++.
8572 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
8574 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
8576 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
8578 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8581 * tree-mudflap.c (mudflap_finish_file): Skip function when there
8582 were errors. Remove check for erroneous objects.
8584 2006-04-20 Jeff Law <law@redhat.com>
8586 PR tree-optimization/26854
8587 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
8588 checking for zero or one use.
8589 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
8590 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
8591 * tree-ssa-reassoc.c (negate_value): Similarly.
8592 (reassociate_bb): Similarly.
8594 2006-04-20 Jakub Jelinek <jakub@redhat.com>
8596 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
8597 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
8598 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
8600 2006-04-20 Alan Modra <amodra@bigpond.net.au>
8602 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
8603 fp regs if the last fp arg doesn't fit in regs.
8605 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
8608 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
8609 that the last insn has the REG_INC note.
8611 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
8612 Nathan Sidwell <nathan@codesourcery.com>
8615 * stor-layout.c (update_alignment_for_field): Do not align
8617 (place_union_field): Place union field at the start of the union.
8618 (place_field): Move ERROR_MARK check later, and use the current
8619 allocation position to maintain monotonicity.
8621 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
8623 * dominance.c: Include timevar.h.
8624 (calculate_dominance_info): Use TV_DOMINANCE.
8625 * timevar.def (TV_DOMINANCE): New timevar.
8626 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
8628 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8630 PR rtl-optimization/14261
8631 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
8632 move would be an INSV insn.
8633 (noce_process_if_block): Don't optimize if the destination is a
8634 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
8636 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8638 * config/s390/s390.md: Add comments with the instructions emitted
8639 by an insn pattern if macros are used.
8641 2006-04-19 Alan Modra <amodra@bigpond.net.au>
8643 PR rtl-optimization/26026
8644 * fold-const.c (fold_binary): Optimize div and mod where the divisor
8645 is a known power of two shifted left a variable amount.
8647 2006-04-18 Geoffrey Keating <geoffk@apple.com>
8649 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
8650 to hash table twice when the debug_str section has SECTION_MERGE.
8652 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
8654 * config/soft-fp: New directory. From glibc.
8655 * config/soft-fp/t-softfp: New.
8656 * config/soft-fp/README: New.
8657 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
8658 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
8659 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
8660 (LIBGCC_DEPS): Add $(SFP_MACHINE).
8661 * config.gcc: Use rs6000/t-fprules-fpbit or
8662 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
8664 * config/rs6000/sfp-machine.h: New. Based on glibc.
8665 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
8667 * config/rs6000/t-fprules: Remove fp-bit rules.
8668 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
8669 * config/rs6000/t-linux64: Likewise. Remove duplicates from
8670 LIB2FUNCS_EXTRA. Remove fp-bit rules.
8671 (softfp_wrap_start, softfp_wrap_end): New.
8673 2006-04-18 DJ Delorie <dj@redhat.com>
8675 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
8677 2006-04-18 Devang Patel <dpatel@apple.com>
8679 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
8681 2006-04-18 Nick Clifton <nickc@redhat.com>
8683 * config/sh/t-symbian: Add rule to build sh-c.o
8684 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
8685 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
8686 (sh_symbian_encode_section_info): Likewise.
8688 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
8690 * builtins.c (expand_builtin_strcmp): Cover label definition of
8691 do_libcall with HAVE_cmpstrnsi.
8693 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
8695 * function.c (temp_slots_at_level, max_slot_level): Use VEC
8697 * function.h (temp_slot_p): New.
8698 (function): Change the type of x_used_temp_slots to
8699 VEC(temp_slot_p,gc) *.
8701 2006-04-18 Nick Clifton <nickc@redhat.com>
8703 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
8704 flag_strength_reduce.
8706 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
8708 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8712 Partial revert of revision 112637
8713 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8714 Dale Johannesen <dalej@apple.com>
8717 * regclass.c (struct reg_pref): Update documentation.
8718 (regclass): Set prefclass to NO_REGS if memory is the best option.
8719 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8721 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8723 PR tree-optimization/26821
8724 * tree-ssa-math-opts.c (get_constant_one): New.
8725 (insert_reciprocals): Use it.
8727 2006-04-17 Geoffrey Keating <geoffk@apple.com>
8729 * dwarf2out.c (free_AT): Delete.
8730 (remove_AT): Update string ref counts.
8731 (remove_child_TAG): Don't call free_die.
8733 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8734 or DW_TAG_GNU_EINCL.
8735 (prune_unused_types_walk_attribs): Reset string refcounts.
8736 (prune_unused_types_update_strings): New.
8737 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8738 call free_die. Do call prune_unused_types_update_strings.
8739 (prune_unused_types): Empty debug_str_hash.
8741 2006-04-17 Roger Sayle <roger@eyesopen.com>
8743 * expr.c (expand_assignment): Optimize away no-op moves where the
8744 source and destination are equal and have no side-effects.
8746 2006-04-17 Richard Guenther <rguenther@suse.de>
8749 * reload.c (push_reload): Guard calls to get_secondary_mem
8752 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
8754 * alias.c (reg_base_value, old_reg_base_value): Change the
8755 type to VEC(rtx,gc) *.
8756 (REG_BASE_VALUE, find_base_value, record_set,
8757 init_alias_analysis): Use VEC instead of VARRAY.
8759 * alias.c (alias_sets): Change the type to
8760 VEC(alias_set_entry,gc) *.
8761 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8762 VEC instead of VARRAY.
8763 (last_alias_set): Remove.
8765 * cgraph.h (cgraph_edge_p): New.
8766 Update the prototype of cgraph_function_versioning.
8767 * cgraphunit.c (cgraph_copy_node_for_versioning,
8768 cgraph_function_versioning): Use VEC instead of VARRAY.
8769 * ipa-cp.c (ipcp_insert_stage): Likewise.
8771 2006-04-16 Roger Sayle <roger@eyesopen.com>
8774 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8775 "A op B" or "A op C", we may need to convert A to the type of B and C.
8777 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
8779 * target.h (struct gcc_target): Add mode_rep_extended.
8780 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8781 (init_num_sign_bit_copies_in_rep): Initialize it using
8783 (truncate_to_mode): Use it.
8784 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8785 * targhooks.h (default_mode_rep_extended): Declare it.
8786 * targhooks.c (default_mode_rep_extended): Define it.
8787 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8788 default_mode_rep_extended.
8789 (TARGET_INITIALIZER): Include it.
8790 * doc/tm.texi (Misc): Document it.
8791 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8792 (mips_truncated_to_mode): New function.
8794 2006-04-16 Roger Sayle <roger@eyesopen.com>
8797 * expr.c (compress_float_constant): Copy the narrow constant into
8798 a new pseudo before extending it to its final width.
8800 2006-04-16 Roger Sayle <roger@eyesopen.com>
8801 Andrew Pinski <pinskia@gcc.gnu.org>
8802 Dale Johannesen <dalej@apple.com>
8805 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8806 special case code to implement V8HImode and V16QImode with SSE2.
8808 2006-04-15 Roger Sayle <roger@eyesopen.com>
8810 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8811 trees are constructed with a suitable tree type.
8813 2006-04-15 Roger Sayle <roger@eyesopen.com>
8815 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8816 (integer_onep): Likewise.
8817 (integer_all_onesp): Likewise.
8818 (integer_pow2p): Likewise.
8819 (integer_nonzerop): Likewise.
8820 (real_zerop): Likewise.
8821 (real_onep): Likewise.
8822 (real_twop): Likewise.
8823 (real_minus_onep): Likewise.
8824 (int_size_in_bytes): Likewise.
8825 (host_integerp): Likewise.
8827 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8829 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8830 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8831 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8833 * tree-ssa-structalias.h (alias_info): Remove num_references.
8835 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8837 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8838 (output_bvb patterns): Likewise.
8839 * pa.c (output_bb): Use 'bb' insn for long branch case.
8840 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8841 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8842 1. Correct length operand for alternatives 1 and 2.
8843 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8844 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8846 2006-04-14 Roger Sayle <roger@eyesopen.com>
8848 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8849 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8850 were accidentally reverted by r112959.
8852 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8855 * except.h (eh_region_outermost): New prototype.
8856 * except.c (eh_region_outermost): New function.
8857 * tree-cfg.c (find_outermost_region_in_block): Use it.
8859 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8861 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8863 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8864 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8865 (init_reload, reload): Use VEC instead of VARRAY.
8866 * reload.h: Update the prototype for
8867 reg_equiv_memory_loc_varray.
8869 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8870 Eric Botcazou <ebotcazou@libertysurf.fr>
8872 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8875 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8878 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8879 to expand fallback builtin function call.
8881 2006-04-14 Alan Modra <amodra@bigpond.net.au>
8884 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
8885 and emit libcall here in case the builtin fails.
8886 (expand_builtin_strcmp): Always emit the libcall here on failure.
8888 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8890 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
8891 * flow.c (reg_n_info): Change the type to
8892 VEC(reg_info_p,heap) *.
8893 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
8895 * regs.h (reg_info_p): New.
8896 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
8897 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
8898 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
8901 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
8903 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
8905 * params.h (MAX_SCHED_READY_INSNS): New macro.
8906 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
8907 past MAX_SCHED_READY_INSNS during the first scheduling pass.
8908 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
8909 the ready list for 1 cycle during the first scheduling pass.
8910 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
8912 2006-04-13 Richard Henderson <rth@redhat.com>
8915 * gimple-low.c (lower_omp_directive): Remove dead code.
8916 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
8917 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
8918 * omp-low.c (struct omp_region): Move to tree-flow.h.
8919 (root_omp_region): Export.
8920 (omp_regions, lookup_omp_region): Remove.
8921 (determine_parallel_type): Update for struct omp_region changes.
8922 (dump_omp_region): Dump regions with block numbers.
8923 (new_omp_region): Take type and block instead of stmt; malloc
8925 (free_omp_region_1, free_omp_regions): New.
8926 (expand_parallel_call): Take entry_stmt as argument; update for
8927 changes to omp_region.
8928 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
8929 (remove_exit_barriers): New.
8930 (expand_omp_parallel): Update for struct omp_region changes.
8931 (expand_omp_synch): Likewise.
8932 (expand_omp): Likewise.
8933 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
8934 (expand_omp_for_static_chunk): Likewise.
8935 (expand_omp_for): Likewise.
8936 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
8937 (expand_omp_sections): Similarly, with GOMP_sections_end.
8938 (expand_omp_single): New.
8939 (build_omp_regions_1): Update for OMP_CONTINUE.
8940 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
8941 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
8942 OMP_SECTIONS_SECTIONS.
8943 (lower_omp_single_simple): Don't emit barrier here.
8944 (lower_omp_single_copy): Likewise.
8945 (lower_omp_single): Fix bindings, and lower to straightline now.
8946 (lower_omp_master, lower_omp_ordered): Likewise.
8947 (lower_omp_critical): Likewise.
8948 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
8949 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
8950 omp edges, free it afterward.
8951 (make_omp_sections_edges): Remove.
8952 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
8953 (move_stmt_r): Handle OMP_CONTINUE.
8954 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
8955 statement pointers to basic blocks. Add type member.
8956 (root_omp_region, new_omp_region, free_omp_regions): Declare.
8957 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
8958 * tree-inline.c (estimate_num_insns_1): Likewise.
8959 * tree-pretty-print.c (dump_generic_node): Likewise.
8960 * tree-ssa-operands.c (get_expr_operands): Likewise.
8961 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
8962 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
8963 (OMP_CONTINUE): New.
8964 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
8965 (OMP_SECTIONS_SECTIONS): Remove.
8966 (OMP_SECTION_LAST): New.
8967 (OMP_RETURN_NOWAIT): New.
8969 2006-04-13 Roger Sayle <roger@eyesopen.com>
8971 * fold-const.c (native_encode_vector, native_interpret_real):
8972 Correct obvious mistakes in the previous check-in.
8974 2006-04-13 Roger Sayle <roger@eyesopen.com>
8976 * fold-const.c (native_encode_expr): New function to encode
8977 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8978 or VECTOR_CST into a specified buffer.
8979 (native_encode_int): New function.
8980 (native_encode_real): New function.
8981 (native_encode_complex): New function.
8982 (native_encode_vector): New function.
8983 (native_interpret_expr): Inverse of native_encode_expr to convert
8984 a target representation into an INTEGER_CST, REAL_CST etc...
8985 (native_interpret_int): New function.
8986 (native_interpret_real): New function.
8987 (native_interpret_complex): New function.
8988 (native_interpret_vector): New function.
8989 (fold_view_convert_expr): New function to constant fold/evaluate
8990 a VIEW_CONVERT_EXPR of a suitable constant expression.
8991 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8992 Change call of build1 to fold_build1 when constructing a
8995 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8996 Ulrich Weigand <uweigand@de.ibm.com>
8999 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
9002 2006-04-13 Alan Modra <amodra@bigpond.net.au>
9005 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
9006 optimize to lo_sum for DFmode if !TARGET_FPRS.
9008 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9010 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
9011 delete_alias_info, compute_flow_sensitive_aliasing,
9012 group_aliases): Use VEC instead of VARRAY.
9013 * tree-ssa-structalias.c (update_alias_info): Likewise.
9014 * tree-ssa-structalias.h (alias_info): Change the type of
9015 processed_ptrs to VEC(tree,heap) *.
9017 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
9020 * config/sh/lib1funcs.h: New file, broken out of:
9021 * config/sh/lib1funcs.asm.
9022 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
9024 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
9025 * config/sh/lib1funcs-Os-4-200.asm: New file.
9026 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
9027 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
9028 (EXTRA_MULTILIB_PARTS): Include it.
9029 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
9030 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
9031 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
9032 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
9035 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9037 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
9038 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
9039 tpa_compact, root_var_init, type_var_init): Use VEC instead of
9041 * tree-ssa-live.h: Include vecprim.h.
9042 (tree_partition_associator_d): Change the type of
9043 first_partition to VEC(int,heap) *.
9044 (tpa_first_partition): Use VEC instead of VARRAY.
9046 * Makefile.in (GTFILES): Move functions.h after tree.h.
9047 * function.c (reset_block_changes, record_block_change,
9048 check_block_change, free_block_changes): Use VEC instead of
9050 * function.h (function): Change the type of
9051 ib_boundaries_block to VEC(tree,gc) *.
9052 * tree-inline.c (copy_cfg_body): Initialize
9053 ib_boundaries_block to NULL instead of (varray_type) 0.
9055 2006-04-12 Roger Sayle <roger@eyesopen.com>
9057 * expr.c (emit_group_store): Correct operand order in call to
9058 subreg_lowpart_offset. Always create paradoxical SUBREGs with
9059 a SUBREG_BYTE of zero.
9061 2006-04-12 Richard Guenther <rguenther@suse.de>
9063 * profile.c (compute_branch_probabilities): Remove code
9064 encapsulated in !ir_type (), which are remanents of the
9065 removed RTL profiling code.
9066 * rtl-profile.c: Remove.
9068 2006-04-12 Alan Modra <amodra@bigpond.net.au>
9070 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
9071 magic NULL_RTX comment.
9072 (function_arg): Store entire fp arg to mem if any part should go
9074 (rs6000_arg_partial_bytes): Adjust for above change.
9076 2006-04-11 Roger Sayle <roger@eyesopen.com>
9078 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
9079 if it hasn't been initialized by dwarf2out_init.
9081 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
9083 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
9084 symbolic constants in branch patterns.
9086 2006-04-11 Roger Sayle <roger@eyesopen.com>
9088 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
9090 2006-04-11 Richard Sandiford <richard@codesourcery.com>
9092 PR rtl-optimization/27073
9093 * gcse.c (try_replace_reg): Revert last change. Continue to search
9094 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
9097 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9099 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
9100 aggregate types other than record and union types.
9101 (function_arg): Likewise.
9102 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
9104 (function_value): In 64-bit mode, return objects that require it
9107 2006-04-11 Roger Sayle <roger@eyesopen.com>
9109 * dwarf2out.c (premark_used_types): Remove problematic prototype.
9111 2006-04-11 Jakub Jelinek <jakub@redhat.com>
9113 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
9115 2006-04-03 Jeff Law <law@redhat.com>
9118 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
9119 alias information too.
9121 2006-04-10 Mike Frysinger <vapier@gentoo.org>
9123 * Makefile.in (gcc-cross): Add $(exeext) to target name.
9125 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
9128 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
9129 (premark_used_types_helper): New.
9130 (premark_used_types): New.
9131 (gen_subprogram_die): Call premark_used_types.
9132 (prune_unused_types_walk): Do not prune perennial dies.
9133 * function.c (used_types_insert): New.
9134 * function.h (struct function): Add used_types_hash field.
9135 (used_types_insert): Add prototype.
9136 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
9137 * c-parser.c (c_parser_cast_expression): Save casted types in used
9140 2006-04-11 Mark Mitchell <mark@codesourcery.com>
9143 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
9144 rs6000_explicit_options.float_gprs.
9146 2006-04-10 Roger Sayle <roger@eyesopen.com>
9148 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
9149 from ix86_expand_vector_init_low_nonzero. Take an additional
9150 one_var argument indicating which element is non-zero. Support
9151 one_var != 0 for V4SFmode and V4SImode by permuting the result.
9152 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
9153 with one_var instead of ix86_expand_vector_init_low_nonzero.
9155 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
9157 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
9158 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
9159 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
9160 build/genextract.o): Depend on vecprim.h.
9161 * cfglayout.c, df-problems.c, function.c, genextract.c,
9162 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
9163 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
9167 2006-04-10 Geoffrey Keating <geoffk@apple.com>
9169 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
9170 Declare VECs of this type.
9171 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
9172 (remove_children): Delete.
9173 (add_dwarf_attr): Use VEC routines.
9174 (add_AT_flag): Update for changes to add_dwarf_attr.
9175 (add_AT_int): Likewise.
9176 (add_AT_unsigned): Likewise.
9177 (add_AT_long_long): Likewise.
9178 (add_AT_vec): Likewise.
9179 (add_AT_string): Likewise.
9180 (add_AT_die_ref): Likewise.
9181 (add_AT_fde_ref): Likewise.
9182 (add_AT_loc): Likewise.
9183 (add_AT_loc_list): Likewise.
9184 (add_AT_addr): Likewise.
9185 (add_AT_lbl_id): Likewise.
9186 (add_AT_lineptr): Likewise.
9187 (add_AT_macptr): Likewise.
9188 (add_AT_offset): Likewise.
9189 (add_AT_range_list): Likewise.
9190 (get_AT): Use VEC_iterate.
9191 (remove_AT): Use VEC_ordered_remove.
9192 (free_die): Fold remove_children into here; have it use VEC_iterate.
9193 (print_die): Use VEC_iterate on attrs.
9194 (reverse_die_lists): Don't reverse attr lists.
9195 (die_checksum): Use VEC_iterate on attrs.
9196 (same_die_p): Likewise.
9197 (output_location_lists): Likewise.
9198 (build_abbrev_table): Likewise.
9199 (size_of_die): Likewise.
9200 (unmark_all_dies): Likewise.
9201 (output_abbrev_section): Likewise.
9202 (output_die): Likewise.
9203 (prune_unused_types_walk_attribs): Likewise.
9205 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9207 * doc/install.texi (*-*-solaris2*): Point to the configure page.
9209 2006-04-10 Jakub Jelinek <jakub@redhat.com>
9212 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
9214 2006-04-09 Roger Sayle <roger@eyesopen.com>
9216 * expr.c (store_constructor): Don't bother clearing target if
9217 we're about to assign a vector to it using vec_init_optab.
9219 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
9221 * tree-ssa-alias.c (lhs_may_store_to): New function.
9222 (recalculate_used_alone): Handle LHS of calls.
9224 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9228 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
9229 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
9230 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
9231 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
9232 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
9233 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
9234 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
9235 stubs. Add ".align 8" directives before all ".dword" directives.
9236 (GTHREAD_USE_WEAK): Revise comment.
9237 (TARGET_ATTRIBUTE_WEAK): Define.
9238 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
9239 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
9240 * stublib.c: New file.
9245 * pa.md (cbranch patterns): Revise arguments used in calls to
9246 output_cbranch, output_bb and output_bvd. Add long branch length
9248 (fbranch patterns): Handle long branches.
9249 (jump): Revise length check. Revise arguments for output_lbranch call.
9250 Add long branch length attributes.
9251 (decrement_and_branch_until_zero): Add long branch length attributes.
9252 (output_movb, output_parallel_addb and output_parallel_movb patterns):
9253 Likewise. Revise arguments for output_parallel_addb and
9254 output_parallel_movb calls.
9255 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
9256 output_parallel_movb and output_parallel_addb): Update prototypes.
9257 * pa.c (output_cbranch): Revise arguments. Correct handling of
9258 nullification in long branches.
9259 (output_lbranch): Add new argument to control extraction of delay
9261 (output_bb): Handle long branches.
9262 (output_bvb, output_dbra, output_movb, output_parallel_movb,
9263 output_parallel_addb): Likewise.
9265 2006-04-09 Richard Sandiford <richard@codesourcery.com>
9267 PR rtl-optimization/27073
9268 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
9271 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
9273 * tree.h (tree_memory_tag): Add old_used_alone.
9274 (SMT_OLD_USED_ALONE): New macro.
9275 * tree-ssa-alias.c (recalculate_used_alone): Stop
9276 marking things for renaming unnecessarily.
9278 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
9280 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
9281 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
9282 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
9283 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
9284 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
9285 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
9286 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
9287 spelling convensions.
9288 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
9289 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
9290 typos. Follow spelling conventions.
9292 2006-04-07 DJ Delorie <dj@redhat.com>
9294 * config/m32c/m32c.c (m32c_function_arg): Structures are always
9295 passed on the stack.
9296 (m32c_init_cumulative_args): When a function returns a structure,
9297 always pass the pointer to that return area on the stack.
9298 (m32c_function_arg_advance): Don't increment the parameter number
9299 if we're processing the returned structure pointer.
9300 (pushm_info): Reverse order of registers.
9302 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
9304 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
9305 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9306 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
9307 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
9309 * tree-chrec.c (chrec_fold_multiply_poly_poly,
9310 chrec_fold_multiply): Same.
9311 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
9312 force_expr_to_var_cost): Same.
9313 * tree-mudflap.c (mf_xform_derefs_1): Same.
9314 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
9316 2006-04-07 David Edelsohn <edelsohn@gnu.org>
9318 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
9319 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
9322 2006-04-07 Jan Hubicka <jh@suse.cz>
9324 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
9326 2006-04-07 Richard Guenther <rguenther@suse.de>
9328 PR tree-optimization/26135
9329 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
9330 loads for store copy-prop.
9331 (copy_prop_visit_stmt): Likewise.
9333 2006-04-05 Robert Millan <robertmh@gnu.org>
9335 * config/i386/linux.h: Add a comment to mark macros that are
9336 being overriden in config/k*bsd-gnu.h.
9337 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
9339 * config/knetbsd-gnu.h: Ditto.
9341 2006-04-06 Jan Hubicka <jh@suse.cz>
9345 * coverage.c (coverage_checksum_string): Reorganize loop to not read
9348 2006-04-06 Mike Stump <mrs@apple.com>
9350 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
9351 for HAVE_nonlocal_goto to be consistent.
9352 (expand_builtin_nonlocal_goto): Likewise.
9353 (expand_builtin_strcmp): Use #ifdef instead of #if
9354 for HAVE_cmpstrnsi to be consistent.
9356 2006-04-05 DJ Delorie <dj@redhat.com>
9358 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
9361 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
9363 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
9364 got-relative addressing for anything but SImode.
9366 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
9367 even if the calling function doesn't modify them.
9369 2006-04-05 Richard Guenther <rguenther@suse.de>
9371 PR tree-optimization/26919
9372 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
9373 to cgraph_estimate_size_after_inlining.
9375 2006-04-05 Alan Modra <amodra@bigpond.net.au>
9377 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
9379 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
9381 PR tree-optimization/26996
9382 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
9383 VECTOR_TYPE variables.
9385 2006-04-05 Richard Guenther <rguenther@suse.de>
9387 PR tree-optimization/26763
9388 * fold-const.c (fold_comparison): Move folding of
9389 PTR + CST CMP PTR + CST ...
9390 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
9392 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
9394 * doc/install.texi (Prerequisites): Refine some wording on
9395 bootstrapping and ksh.
9396 Move the version numbers of DejaGnu here from the testing section
9397 and fix casing of names.
9398 Fix markup and clarify wording for autogen requirements.
9399 Refer to GCJ instead of just java.
9400 Refer to SVN instead of CVS.
9401 Describe diffutils as useful instead of necessary.
9402 (Downloading the source): Refer to SVN instead of CVS.
9403 Adjust a link to our web site accordingly.
9404 (Configuration): Fix casing of Bison.
9405 (Building): Refer to SVN instead of CVS.
9406 Fix a sentence on the use of Bison and remove duplicate (and
9407 incorrect) version number of Bison requirement.
9408 Remove one redundant list of packages needed for building.
9409 (Specific): Avoid reference to CVS.
9411 2006-04-04 Eric Christopher <echristo@apple.com>
9413 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
9414 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
9415 (rs6000_handle_struct_attribute): New.
9416 (rs6000_ms_bitfield_layout_p): Ditto.
9418 2006-04-04 Geoffrey Keating <geoffk@apple.com>
9420 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
9421 NULL for dso parameter to atexit_common.
9423 2006-04-04 Eric Christopher <echristo@apple.com>
9425 * config/i386/i386.c (machopic_output_stub): Output \t
9426 between instructions and operands.
9428 2006-04-04 David Edelsohn <edelsohn@gnu.org>
9430 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
9431 satisfies_constraint_[IL] to explicit tests on value.
9433 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
9435 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9436 set_nb_iterations_in_loop): Use build_int_cst instead of
9438 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
9439 build_int_cst instead of convert.
9441 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
9443 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
9444 new value 2 for incoming.
9445 * function.c (expand_function_start): Call struct_value_rtx
9447 * config/sparc/sparc.md: Comment updated_return.
9448 * config/sparc/sparc.opt: Add -mstd-struct-return option.
9449 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
9450 struct return if sparc_std_struct_return and incoming is 2.
9451 (print_operand): Do not adjust return if
9452 sparc_std_struct_return.
9454 2006-04-04 Roger Sayle <roger@eyesopen.com>
9456 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
9457 convert in the middle-end.
9458 * expr.c (store_expr, store_constructor, get_inner_reference,
9459 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
9461 * tree.c (build_range_type): Likewise.
9463 2006-04-04 Tom Tromey <tromey@redhat.com>
9465 * doc/install.texi (Prerequisites): Mention jar.
9467 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
9469 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
9472 2006-04-04 Matthias Klose <doko@debian.org>
9474 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
9478 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
9481 2006-04-03 Geoffrey Keating <geoffk@apple.com>
9483 * doc/extend.texi (Function Attributes): Rewrite visibility
9484 attribute documentation.
9485 * doc/invoke.texi (C++ Dialect Options): Rewrite
9486 -fvisibility-inlines-hidden documentation to describe something
9487 entirely different, although in practise compatible.
9488 (Code Gen Options): Warn about system headers in -fvisibility=
9491 * doc/extend.texi (Other Builtins): Document that
9492 __builtin_nan is a compile-time constant only when its argument
9495 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
9497 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
9498 trying to remove TRUNCATE check if all bits outside the new mode
9499 are identical to the sign bit.
9501 2006-04-03 Jeff Law <law@redhat.com>
9503 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
9504 and operand scanning in some common cases.
9506 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9507 Dale Johannesen <dalej@apple.com>
9510 * regclass.c (struct reg_pref): Update documentation.
9511 (regclass): Set prefclass to NO_REGS if memory is the best option.
9512 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9513 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
9514 into account. For non-registers, equate an empty preferred
9515 reload class to a `!' in the constraint; move the if clause to
9516 do so after those that reject the insn.
9517 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
9519 (find_dummy_reload): Likewise.
9520 * doc/tm.texi (Register Classes): Document what it means
9521 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
9522 * config/i386/i386.c (ix86_preferred_reload_class): Force
9523 using SSE registers (and return NO_REGS for floating-point
9524 constants) if math is done with SSE.
9525 (ix86_preferred_output_reload_class): New.
9526 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
9527 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
9528 * config/i386/i386.md: Remove # register preferences.
9530 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9533 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9534 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
9535 the type of nb_iter.
9536 (instantiate_parameters_1): Convert the operands before calling
9537 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
9538 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
9540 2006-04-02 Roger Sayle <roger@eyesopen.com>
9542 * builtins.c (dummy_object): Use build_int_cst instead of convert.
9543 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
9545 * dojump.c (do_jump): Likewise.
9546 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
9547 * gimplify.c (gimple_boolify, gimplify_init_constructor,
9548 gimplify_boolean_expr): Likewise.
9549 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
9550 * varasm.c (array_size_for_constructor): Likewise.
9551 * tree-object-size.c (compute_object_offset): Likewise.
9553 2006-04-02 Roger Sayle <roger@eyesopen.com>
9556 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
9557 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
9559 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9561 PR tree-optimization/26939
9562 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
9564 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9566 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
9567 at_stmt. Convert the type of operands before calling
9568 build_polynomial_chrec.
9569 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
9571 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
9572 (instantiate_parameters_1): Convert the type of operands before calling
9573 build_polynomial_chrec.
9574 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
9575 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
9576 reset_evolution_in_loop): Insert asserts to check the types of the
9578 (chrec_type): Moved...
9579 (eq_evolutions_p): Use operand_equal_p.
9580 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
9581 the types of the operands.
9582 (chrec_type): ...here.
9583 * tree-data-ref.c (create_data_ref): Convert the operands before
9584 calling chrec_replace_initial_condition.
9585 (same_access_functions, analyze_subscript_affine_affine,
9586 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
9587 (compute_subscript_distance, analyze_ziv_subscript,
9588 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
9589 analyze_miv_subscript): Convert the operands before calling
9590 chrec_fold_minus or chrec_fold_plus.
9592 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9594 * tree-data-ref.c (compute_all_dependences): Use a pointer to
9595 the dependence_relations vector.
9596 (compute_data_dependences_for_loop): Adjust call to
9597 compute_all_dependences.
9599 2006-04-01 Roger Sayle <roger@eyesopen.com>
9600 Richard Henderson <rth@redhat.com>
9602 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
9603 gimple_boolify on the condition before calling gimplify_expr.
9605 2006-03-31 Bob Wilson <bob.wilson@acm.org>
9607 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
9608 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
9609 the frame size. Update to use the new macros.
9610 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
9611 * config/xtensa/ieee754-df.S: Likewise.
9613 2006-03-31 Richard Henderson <rth@redhat.com>
9615 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
9616 (make_edges): ... here. Control fallthru creation with a local
9617 variable. Do not play with fake edges.
9618 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
9619 (make_goto_expr_edges): Don't play with fake edges. Make for_call
9622 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
9624 * dwarf2.h (DW64_CIE_ID): Define.
9625 * dwarf2out.c (DWARF_CIE_ID): Define.
9626 (output_call_frame_info): Output 0xffffffff before standard 8-byte
9627 length header. Use DWARF_CIE_ID.
9628 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
9629 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
9631 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
9633 * config/sh/linux-atomic.asm: New file.
9634 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
9636 2006-03-31 DJ Delorie <dj@redhat.com>
9638 * config/m32c/cond.md: Set condition flags properly throughout.
9639 * config/m32c/minmax.md: Likewise.
9640 * config/m32c/prologue.md: Likewise.
9641 * config/m32c/bitops.md: Likewise.
9642 * config/m32c/muldiv.md: Likewise.
9643 * config/m32c/mov.md: Likewise.
9644 * config/m32c/addsub.md: Likewise.
9645 * config/m32c/m32c.md: Likewise.
9646 * config/m32c/jump.md: Likewise.
9647 * config/m32c/shift.md: Likewise.
9649 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
9650 conditionally output the pattern for this.
9651 * config/m32c/m32c.c (flags_needed_for_conditional): New.
9652 (m32c_compare_redundant): New.
9653 (m32c_output_compare): New.
9654 * config/m32c/m32c-protos.h (m32c_output_compare): New.
9656 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
9657 dest, not src. Allow other 4-byte modes.
9659 2006-03-30 Denis Chertykov <denisc@overta.ru>
9661 * doc/md.texi: Refer to avr/constraints.md instead of
9664 2006-03-30 Roger Sayle <roger@eyesopen.com>
9666 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
9667 signed vs. unsigned comparison failures on some hosts.
9669 2006-03-31 Alan Modra <amodra@bigpond.net.au>
9672 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
9673 change to FLOAT_REGS.
9675 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
9676 (rs6000_override_options): Use it.
9677 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
9678 only for -mabi=spe/no-spe and -mabi=altivec.
9680 2006-03-30 Geoffrey Keating <geoffk@apple.com>
9682 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
9685 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
9687 * Makefile.in: Rename docdir to gcc_docdir.
9689 2006-03-30 Roger Sayle <roger@eyesopen.com>
9692 * expr.c (emit_group_store): Optimize group stores into a pseudo
9693 register by using a paradoxical subreg to initialize the destination
9694 if the first or last member of the group specifies a "low part".
9696 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9699 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
9700 * target.h (struct gcc_target.speculate_insn): Change type of the
9701 second parameter to 'int'.
9702 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
9703 the second operand of the DEPS_LIST.
9704 (copy_DEPS_LIST_list): Update reference to the second operand of the
9706 * rtl.h (alloc_DEPS_LIST): Update signature.
9707 * sched-int.h (ds_t): Change typedef to 'int'.
9708 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9710 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9712 * haifa-sched.c (try_ready): Change condition to restore
9713 non-speculative pattern of the instruction.
9714 (process_insn_depend_be_in_spec): Code to keep probability of the
9715 speculative dependence non-decreasing.
9717 2006-03-30 Jie Zhang <jie.zhang@analog.com>
9719 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
9720 (single_move_for_movmem): ... this. Also change all uses.
9721 (bfin_expand_strmov): Renamed to...
9722 (bfin_expand_movmem): ... this. Also change all uses.
9723 * config/bfin/bfin.md (movstrsi): Renamed to...
9724 (movstrsi): ...this.
9726 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
9728 PR tree-optimization/26830
9730 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9731 (copy_prop_visit_stmt): Remove write-only variable ann.
9732 (init_copy_prop): Check variable loop depth here. Do not simulate
9733 memory-tag and virtual operand PHIs except for store copy prop.
9735 2006-03-30 Richard Guenther <rguenther@suse.de>
9737 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9738 variants with double arguments.
9740 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9742 * genpreds.c (write_tm_constrs_h): Delete variable p.
9743 * genconditions.c (write_header): Add tm-constrs.h to included
9745 * genpeep.c (main): Add toplev.h to included headers.
9746 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9747 (build/genpeep.o): Add toplev.h dependency.
9748 * config/rs6000/constraints.md: Add "W" constraint.
9750 2006-03-29 Roger Sayle <roger@eyesopen.com>
9752 * stor-layout.c (mode_for_size_tree): Remove restiction on type
9753 sizes by correctly testing whether the size fits a host integer.
9754 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9755 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9756 SImode range for the default sizetype and bitsizetype.
9758 2006-03-29 Roger Sayle <roger@eyesopen.com>
9760 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9761 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
9762 quickly if the argument is already of the correct type.
9763 Call fold_build1 instead of build1. Tidy up blank lines.
9765 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9767 * genemit.c (main): Add tm-constrs.h to included headers.
9768 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9769 * genpeep.c (main): Add tm-constrs.h to included headers.
9770 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9771 (write_tm_constrs_h): this and write complete file.
9772 (write_tm_preds_h): Do not emit satisfies_constraint fns.
9773 (write_insn_preds_c): Add tm-constrs.h to included headers.
9774 (gen_constrs): New variable.
9775 (parse_option): Parse "-c".
9776 (main): Invoke write_tm_constrs_h.
9777 * genrecog.c (write_header): Add tm-constrs.h to included headers.
9778 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9779 (object_out_file): Add tm-constrs.h dependency.
9780 (insn-emit.o): Same.
9781 (insn-output.o): Same.
9782 (insn-peep.o): Same.
9783 (insn-preds.o): Same.
9784 (insn-recog.o): Same.
9785 (tm-constsr.h): New target.
9786 (s-constrs-h): New target.
9788 * config/rs6000/constraints.md: New file.
9789 * config/rs6000/rs6000.c: Include tm-constrs.h.
9790 (num_insn_constant_wide): Convert to satisfies_constraint.
9791 (rs6000_rtx_costs): Convert to satisfies_constraint.
9792 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9793 (CONST_OK_FOR_LETTER_P): Delete.
9794 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9795 (EXTRA_CONSTRAINT): Delete.
9796 (EXTRA_MEMORY_CONSTRAINT): Delete.
9797 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9798 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9799 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9800 satisfies_constraint.
9802 * config/i386/i386.c: Include tm-constrs.h.
9804 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9806 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9807 * tree-data-ref.c (find_data_references_in_loop,
9808 compute_data_dependences_for_loop): Use pointers to VEC.
9809 (analyze_all_data_dependences): Adjust calls.
9810 * tree-data-ref.h (find_data_references_in_loop,
9811 compute_data_dependences_for_loop): Adjust declarations.
9812 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9813 compute_data_dependences_for_loop.
9815 2006-03-29 Paul Brook <paul@codesourcery.com>
9817 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9820 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9822 PR tree-optimization/26859
9823 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9825 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9826 for the step after fold_convert.
9828 2006-03-29 Paul Brook <paul@codesourcery.com>
9830 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9831 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9833 2006-03-29 Paul Brook <paul@codesourcery.com>
9836 * targhooks.c (default_narrow_bitfield): New fuction.
9837 * targhooks.h (default_narrow_bitfield): add prototype.
9838 * target.h (gcc_target): Add narrow_volatile_bitfield.
9839 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9840 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9841 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9842 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9844 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9846 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9848 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9849 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9850 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9851 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9852 (s390_function_arg_float): Allow SDmode and DDmode values to be
9853 passed in floating point registers.
9854 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9855 check with SCALAR_FLOAT_MODE_P.
9856 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9858 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9860 PR tree-optimization/25985
9861 * tree-ssa-loop-niter.c (number_of_iterations_le,
9862 number_of_iterations_ne): Make comments more precise.
9863 (number_of_iterations_cond): Add only_exit argument. Use the
9864 fact that signed variables do not overflow only when only_exit
9866 (loop_only_exit_p): New.
9867 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9868 number_of_iterations_cond.
9870 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9872 PR tree-optimization/26643
9873 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9876 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9878 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9879 (divsi3_i4_int): Likewise.
9881 2006-03-28 Roger Sayle <roger@eyesopen.com>
9883 * expr.c (emit_group_store): Only create a new pseudo reg if the
9884 quantity it needs to hold isn't already a suitable pseudo.
9886 2006-03-28 Jeff Law <law@redhat.com>
9888 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
9889 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
9891 2006-03-28 Roger Sayle <roger@eyesopen.com>
9893 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
9894 the equivalent ~X & Y, and the symmetry related transformations.
9895 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
9896 ~X & Y, and symmetry related transforms.
9898 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9900 Revert my 2006-03-27 patches.
9902 2006-03-28 Roger Sayle <roger@eyesopen.com>
9904 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
9905 ~(T1)X, when T1 and T2 are integer types of the same precision
9906 and (T2)X isn't an extension.
9908 2006-03-28 Jeff Law <law@redhat.com>
9910 PR tree-optimization/26796
9911 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
9912 need EH edge cleanups rather than purging them immediately.
9913 (eliminate_degenerate_phis): Handle queued EH cleanups.
9915 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
9917 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
9920 2006-03-27 Roger Sayle <roger@eyesopen.com>
9923 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
9924 cast BIT_NOT_EXPR operand to the correct type.
9926 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
9928 * tree-loop-linear.c: Don't include varray.h.
9929 (gather_interchange_stats, try_interchange_loops,
9930 linear_transform_loops): Use VEC instead of VARRAY.
9931 * lambda-mat.c: Don't include varray.h.
9932 * tree-chrec.c: Same.
9933 * lambda-trans.c: Same.
9934 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
9935 VEC instead of VARRAY.
9936 * tree-vectorizer.h: Idem.
9937 * tree-data-ref.c (dump_data_references,
9938 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
9939 initialize_data_dependence_relation, finalize_ddr_dependent,
9940 compute_all_dependences, find_data_references_in_loop,
9941 compute_data_dependences_for_loop, analyze_all_data_dependences,
9942 free_dependence_relation, free_dependence_relations,
9943 free_data_refs): Idem.
9944 * tree-data-ref.h (data_reference_p, subscript_p): New.
9945 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
9946 VEC instead of VARRAY.
9947 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
9948 (find_data_references_in_loop, compute_data_dependences_for_loop,
9949 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
9950 dump_data_dependence_relations, free_dependence_relations,
9951 free_data_refs): Adjust declaration.
9952 (lambda_transform_legal_p): Move declaration here...
9953 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
9954 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
9955 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
9956 vect_analyze_data_refs): Use VEC instead of VARRAY.
9957 * lambda.h (lambda_transform_legal_p): ...from here.
9958 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
9959 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
9960 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
9961 tree-chrec.o): Don't depend on VARRAY_H.
9963 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9965 * rtl.def (Copyright): Update date.
9966 (DEPS_LIST): Change type of the second operand to 'int'.
9967 * target.h (Copyright): Update date.
9968 (struct gcc_target.speculate_insn): Change type of the second parameter
9970 * lists.c (Copyright): Update date.
9971 (alloc_DEPS_LIST): Change signature. Update reference to the second
9972 operand of the DEPS_LIST.
9973 (copy_DEPS_LIST_list): Update reference to the second operand of the
9975 * rtl.h (Copyright): Update date.
9976 (alloc_DEPS_LIST): Update signature.
9977 * sched-int.h (Copyright): Update date.
9978 (ds_t): Change typedef to 'int'.
9979 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9981 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9983 * haifa-sched.c (Copyright): Update date.
9984 (try_ready): Change condition to restore non-speculative pattern
9986 (process_insn_depend_be_in_spec): Code to keep probability of the
9987 speculative dependence non-decreasing.
9989 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9991 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9992 shut up the compiler.
9994 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9996 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9997 to use lib prefix for target.
9998 ($(T)libic_invalidate_array_4-200.a): Likewise.
9999 ($(T)libic_invalidate_array_4a.a): Likewise.
10001 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
10002 J"orn Rennecke <joern.rennecke@st.com>
10004 * superh.opt: New file.
10005 * sh.c (boardtype, osruntime): Remove.
10006 * superh.h (SUBTARGET_OPTIONS): Remove.
10007 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
10009 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
10010 arguments with ^ and/or [].
10012 * config.gcc (sh-*-*): Add quoting to account for quirk of
10014 Replace == with = in enable_incomplete_targets test.
10016 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
10017 with MASK_LITTLE_ENDIAN.
10019 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
10020 * config/sh/sh.opt: Added to some comments.
10021 * config/sh/superh.h: Removed some chaff.
10023 * config/sh/sh.opt: Add m4-[1234]00* options.
10024 * config/sh/sh.c (sh_handle_option): Likewise.
10025 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
10026 (ic_invalidate_array_4-100.o): New rule.
10027 ($(T)libic_invalidate_array_4-100.a): Likewise.
10028 (ic_invalidate_array_4-200.o): Likewise.
10029 ($(T)libic_invalidate_array_4-200.a): Likewise.
10030 (ic_invalidate_array_4a.o): Likewise.
10031 ($(T)libic_invalidate_array_4a.a): Likewise.
10032 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
10033 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
10035 * config/sh/crt1.asm: Merged in profiling code.
10036 * config/sh/superh.h (STARTFILE_SPEC): Override.
10037 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
10038 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
10039 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
10041 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
10042 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
10043 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
10045 * sh.opt (mpretend-cmove): New option.
10046 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
10047 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
10048 (movsicc): Add TARGET_PRETEND_CMOVE code.
10050 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
10052 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
10053 s390_class_max_nregs): New function prototypes.
10054 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
10055 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
10056 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
10057 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
10059 2006-03-26 Geoffrey Keating <geoffk@apple.com>
10061 * dwarf2out.c (add_location_or_const_value_attribute): Call
10062 tree_add_const_value_attribute if nothing else works.
10063 (reference_to_unused): New.
10064 (rtl_for_decl_init): Use reference_to_unused to decide whether
10065 to output an initializer.
10067 2006-03-27 Alan Modra <amodra@bigpond.net.au>
10070 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
10071 peephole removing spe frob_di_df_2.
10073 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
10075 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
10076 (subscript_dependence_tester_1): Declared.
10077 (print_dir_vectors, print_dist_vectors): New.
10078 (debug_data_dependence_relation): New.
10079 (dump_data_dependence_relation): Print more details.
10080 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
10081 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
10082 (save_dist_v, save_dir_v, add_outer_distances,
10083 build_classic_dist_vector_1): New.
10084 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
10085 Don't test for lambda_vector_lexico_pos.
10086 (same_access_functions, add_multivariate_self_dist,
10087 add_other_self_distances, dir_from_dist): New.
10088 (build_classic_dir_vector): Replace implementation almost identical to
10089 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
10091 (subscript_dependence_tester_1): New.
10092 (subscript_dependence_tester): Handle the lexicographically negative
10093 distance vectors by recomputing the dependence relation.
10094 (compute_affine_dependence): Remove parameter loop_nest_depth.
10095 (compute_self_dependence): Don't call compute_subscript_distance.
10096 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
10097 Add a parameter for the loop_nest.
10098 (find_loop_nest_1, find_loop_nest): New.
10099 (compute_data_dependences_for_loop): Compute the loop nest, and give
10100 up if the nest is not well formed.
10101 * tree-data-ref.h (loop_p): New.
10102 (struct data_dependence_relation): Replace size_vect field with
10103 loop_nest, a vec of loops.
10104 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
10105 (DDR_LOOP_NEST): New.
10106 (print_dir_vectors, print_dist_vectors,
10107 debug_data_dependence_relation): Declared.
10108 (index_in_loop_nest): New.
10109 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
10110 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
10113 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
10115 * simplify-rtx.c (simplify_relational_operation): Call
10116 simplify_relational_operation_1 even if mode is VOIDmode.
10118 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
10120 PR tree-optimization/26804
10121 * tree.h (DECL_CALL_CLOBBERED): New macro.
10122 (tree_decl_common): Add call_clobbered_flag.
10123 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
10124 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
10125 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
10126 (mark_non_addressable): Ditto.
10127 * tree-ssa.c (verify_call_clobbered): New function.
10128 (verify_alias_info): Use it.
10129 * tree-pass.h (pass_reset_cc_flags): New prototype.
10130 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
10131 (reset_cc_flags): New function.
10132 * passes.c (init_optimization_passes): Call reset_cc_flags after
10133 initializing referenced_vars.
10135 2006-03-25 Uros Bizjak <uros@kss-loka.si>
10136 Roger Sayle <roger@eyesopen.com>
10138 PR middle-end/26717
10139 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
10140 to 1.0 for non-real operands. Implement A / A optimization for
10143 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
10145 * config/i386/i386.c (size_cost): Correct the comment for
10146 cost of storing fp registers.
10147 (i386_cost): Likewise.
10148 (i486_cost): Likewise.
10149 (pentium_cost): Likewise.
10150 (pentiumpro_cost): Likewise.
10151 (k6_cost): Likewise.
10152 (athlon_cost): Likewise.
10153 (k8_cost): Likewise.
10154 (pentium4_cost): Likewise.
10155 (nocona_cost): Likewise.
10156 (generic64_cost): Likewise.
10157 (generic32_cost): Likewise.
10159 2006-03-24 Denis Chertykov <denisc@overta.ru>
10161 * config/avr/avr-protos.h (extra_constraint): Delete.
10162 (extra_constraint_Q): New declaration.
10163 * config/avr/constraints.md: New file.
10164 * config/avr/avr.md: Include it.
10165 (REG_X, REG_Y, REG_Z, REG_W): New constants.
10166 (TMP_REGNO, ZERO_REGNO): Likewise.
10167 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
10168 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
10169 (extra_constraint): Delete.
10170 (extra_constraint_Q): Test for memory constraint 'Q'.
10171 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
10172 (REG_CLASS_FROM_LETTER): Delete.
10173 (CONST_OK_FOR_LETTER_P): Delete.
10174 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10175 (EXTRA_CONSTRAINT): Delete.
10176 (TMP_REGNO): Delete.
10177 (ZERO_REGNO): Delete.
10179 2006-03-24 Jeff Law <law@redhat.com>
10181 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
10182 directly. Call mark_new_vars_to_rename slightly earlier.
10184 2006-03-24 Geoffrey Keating <geoffk@apple.com>
10186 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
10187 (is_cxx): Likewise.
10188 (gen_compile_unit_die): Use new language types for Objective-C and
10190 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
10191 DW_LANG_C_plus_plus.
10194 * config/t-darwin (crt3.o): Work around bug 26840.
10195 * config/darwin-crt3.c: Rewrite.
10196 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
10198 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
10200 * doc/invoke.texi: Document -femit-class-debug-always
10201 * common.opt: Add -femit-class-debug-always.
10203 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
10205 * config/s390/s390.c (s390_decompose_address): Allow SImode for
10206 index and base register.
10207 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
10208 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
10209 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
10210 REGNO_OK_FOR_INDEX_P.
10211 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
10213 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
10214 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
10215 REG_OK_FOR_BASE_P): Definitions removed.
10217 2006-03-24 Jakub Jelinek <jakub@redhat.com>
10219 PR middle-end/26611
10220 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
10221 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
10222 set yet or weren't marked as local yet.
10224 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
10226 * regrename.c (scan_rtx_address): Initialize a variable to shut up
10229 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
10231 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
10232 (rs6000_legitimate_small_data_p): Delete.
10233 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
10234 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
10235 and make static. Add forward declaration. Update uses.
10236 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
10237 of offsettable_memref_p.
10238 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
10239 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
10241 2006-03-24 Jeff Law <law@redhat.com>
10243 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
10244 around bug in immediate-use iterator.
10246 2006-03-24 Alan Modra <amodra@bigpond.net.au>
10249 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
10250 or __LITTLE_ENDIAN__.
10252 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
10254 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
10255 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
10256 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
10257 * config/sh/sh.opt (mdiv=): Amend description.
10258 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
10259 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
10260 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
10261 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
10262 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
10263 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
10264 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
10265 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
10266 TARGET_DIVIDE_CALL_FP.
10268 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10270 * haifa-sched.c (choose_ready): Fix type of the local variable.
10271 Move local variables. Add comment.
10272 (check_reg_live): Change signature. Make callable from debugger.
10273 * sched-int.h (check_reg_live): Update signature.
10274 * sched-ebb.c (check_reg_live): Update parameters.
10275 * sched-rgn.c (check_reg_live): Ditto.
10276 (region_head_or_leaf_p): Check pointer before dereferencing.
10277 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
10278 before reload on optimization levels below 1.
10280 2006-03-23 Richard Henderson <rth@redhat.com>
10282 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
10286 * config/alpha/predicates.md (local_symbolic_operand): Reject
10289 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
10292 * tree-ssa-pre.c (create_value_expr_from): Don't reject
10293 expressions which have overflowed constants.
10295 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10297 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
10299 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10301 * cfgloopmanip.c (create_loop_notes): Removed.
10302 * final.c (final_scan_insn): Do not handle loop notes.
10303 * jump.c (squeeze_notes): Ditto.
10304 * cfglayout.c (skip_insns_after_block,
10305 duplicate_insn_chain): Ditto.
10306 * cfgcleanup.c (rest_of_handle_jump2): Do not call
10308 * cfgloop.h (create_loop_notes): Declaration removed.
10310 2006-03-23 Richard Sandiford <richard@codesourcery.com>
10312 * varasm.c (output_constant_pool): Restore fnname and fndecl
10314 (assemble_start_function): Adjust call accordingly.
10315 (assemble_end_function): Likewise.
10317 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10320 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
10323 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
10325 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10328 * system.h (ICE_EXIT_CODE): New macro.
10329 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
10330 (diagnostic_action_after_output): Likewise.
10331 * gcc.c (fatal_ice): New function.
10332 (execute): Use it instead of fatal.
10333 (fancy_abort): Likewise.
10334 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
10336 2006-03-22 Jeff Law <law@redhat.com>
10338 * loop-unroll.c (analyze_iv_to_split_insn): Handle
10339 iv_analyze_result returning false.
10341 2006-03-22 Jie Zhang <jie.zhang@analog.com>
10343 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
10345 2006-03-22 Richard Henderson <rth@redhat.com>
10347 PR middle-end/26084
10348 * except.c (duplicate_eh_regions_0): New.
10349 (duplicate_eh_region_1): Duplicate the children of the node as
10350 well as the node itself. Link them up properly.
10351 (duplicate_eh_region_2): Merge into ...
10352 (duplicate_eh_regions): ... here. Take copy_region argument, and
10353 copy only a sub-tree if asked. Simplify copying and fixup.
10354 (eh_region_outer_p): New.
10355 * except.h (duplicate_eh_regions): Update decl.
10356 (eh_region_outer_p): Declare.
10357 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
10358 (lower_omp_master): Likewise.
10359 (lower_omp_ordered): Likewise.
10360 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
10361 (move_stmt_r): Use it to remap labels. Handle recursion vs
10362 remap_decls_p properly.
10363 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
10364 (find_outermost_region_in_block): New.
10365 (new_label_mapper): New.
10366 (move_sese_region_to_fn): Copy eh information to the new function
10368 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
10370 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
10373 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10375 * doc/md.texi (-mshared): Mention that -mshared code can be linked
10376 into shared libraries.
10378 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10380 * doc/md.texi: Refer to i386/constraints.md instead of
10381 i386/predicates.md.
10382 * config/i386/constraints.md: New file, extracted from...
10383 * config/i386/predicates.md: ...here.
10384 * config/i386/i386.md: Include constraints.md.
10386 2006-03-21 Jason Merrill <jason@redhat.com>
10388 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
10390 PR middle-end/20297
10391 * expr.c (init_block_move_fn): Force default visibility.
10392 (init_block_clear_fn): Likewise.
10393 * builtins.c (expand_builtin_fork_or_exec): Likewise.
10394 * targhooks.c (default_external_stack_protect_fail): Likewise.
10396 2006-03-21 Richard Sandiford <richard@codesourcery.com>
10398 * config/mips/predicates.md (const_call_insn_operand): Allow direct
10399 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
10400 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
10401 Use TARGET_OLDABI instead of !TARGET_NEWABI.
10402 (loadgp): Use mips_current_loadgp_style.
10403 (loadgp_noshared): New pattern.
10404 (sibcall_internal): Use MIPS_CALL.
10405 (sibcall_value_internal): Likewise.
10406 (sibcall_value_multiple_internal): Likewise.
10407 (call_internal): Likewise.
10408 (call_value_internal): Likewise.
10409 (call_value_multiple_internal): Likewise.
10410 (call_split): Use MIPS_CALL and add an 'S' constraint.
10411 (call_value_split): Likewise.
10412 (call_value_multiple_split): Likewise.
10413 * config/mips/mips.opt (-mabicalls): Tweak docstring.
10414 (-mshared): New option.
10415 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
10416 (mips_current_loadgp_style): Declare.
10417 * config/mips/mips.c (mips_classify_symbol): Avoid using
10418 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
10419 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
10420 TARGET_ABSOLUTE_ABICALLS.
10421 (override_options): Adjust comments. Improve the warning that is
10422 issued when -mabicalls and -G are used together.
10423 (mips_file_start): Remove comment.
10424 (mips_current_loadgp_style): New function.
10425 (mips_gnu_local_gp): New variable.
10426 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
10428 (mips_output_function_prologue): Use mips_current_laodgp_style.
10429 (mips_expand_prologue): Call mips_emit_loadgp before emitting
10430 the cprestore instruction.
10431 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
10432 live for TARGET_ABSOLUTE_ABICALLS.
10433 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
10434 (ASM_SPEC): Pass down -mshared and -mno-shared.
10435 (MIPS_CALL): New macro.
10436 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
10438 * doc/invoke.texi (-mabicalls): Update documentation.
10439 (-mshared): Document.
10441 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10443 * config/ia64/unwind-hpux.c: New file.
10444 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
10446 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10449 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
10451 2006-03-21 Jeff Law <law@redhat.com>
10453 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
10454 type conversions of a VR_VARYING source to a wider type.
10456 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10458 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
10459 tm_file on Solaris 10 and later.
10460 (sparc64-*-solaris2*): Likewise.
10461 (sparc-*-solaris2*): Likewise.
10462 * config/sol26.h: Rename to config/sol2-6.h.
10463 * config/sol2-10.h: New file.
10465 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
10468 * tree-ssa-pre.c (create_component_ref_by_pieces):
10471 2006-03-21 Jakub Jelinek <jakub@redhat.com>
10474 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
10475 return it immediately.
10477 2006-03-21 Michael Matz <matz@suse.de>
10479 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
10481 (remove_arc, add_arc): Update num_out_arcs member.
10482 (set_out_arc_insns_equiv_num): Returns nothing instead of number
10484 (cache_presence): New function.
10485 (compare_states_for_equiv): New function.
10486 (state_is_differed): Don't take number of outargs, adjust callers.
10487 Use new invariant for speeding up.
10488 (init_equiv_class): Create initial classes based on sorted
10490 (partition_equiv_class): Don't track out_arcs_num.
10491 (evaluate_equiv_classes): Call cache_presence on all states and
10494 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
10496 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
10497 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
10498 (bfin_valid_reg_p): Test for pseudos explicitly and use only
10499 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
10501 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
10502 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
10503 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
10504 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
10505 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
10507 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
10508 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
10509 (REGNO_REG_CLASS): ARGP is in PREGS.
10510 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
10512 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
10513 to deal with those addresses.
10514 * addresses.h: New file.
10515 * caller-save.c: Include "addresses.h".
10516 (init_caller_save): Use new base_reg_class function.
10517 * rtl-factoring.c: Include "addresses.h".
10518 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
10519 * recog.c: Include "addresses.h".
10520 (preprocess_constraints): Use new base_reg_class function.
10521 * regrename.c: Include "addresses.h".
10522 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
10523 functions. Keep track of a new var INDEX_CODE to compute valid
10525 (replace_oldest_value_addr): Likewise.
10526 (replace_oldest_value_mem): Use base_reg_class.
10527 * reload.c: Include "addresses.h".
10528 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
10529 (find_reloads): Use new base_reg_class function.
10530 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
10531 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
10532 all callers and prototype changed.
10533 * reload1.c: Include "addresses.h".
10534 (maybe_fix_stack_asms): Use base_reg_class.
10535 * regclass.c: Include "addresses.h".
10536 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
10537 (init_reg_autoinc): Use new base_reg_class function.
10538 (record_reg_classes): Likewise.
10539 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
10540 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
10541 Use new args to compute necessary class.
10543 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
10544 regrename.o, rtl-factoring.o): Update dependencies.
10545 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
10546 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
10547 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
10548 REG_OK_FOR_INDEX_P): Delete documentation.
10550 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
10552 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
10553 from V7 to V9 for Solaris 7 and above.
10555 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
10557 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
10558 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
10559 argument pointers may not alias any other storage.
10560 * common.opt: Define option -fargument-noalias-anything.
10561 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
10562 alias semantics is specified by flag_argument_noalias > 2.
10564 2006-03-20 Jeff Law <law@redhat.com>
10566 * tree-pass.h (pass_phi_only_copy_prop): Delete.
10567 (pass_phi_only_cprop): Declare.
10568 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
10569 with phi_only_cprop
10570 * tree-ssa-dom.c (degenerate_phi_result): New function.
10571 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
10572 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
10573 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
10574 (eliminate_degenerate_phis): Likewise.
10575 (pass_phi_only_cprop): New pass descriptor.
10576 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
10577 support code. Callers updated.
10578 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
10579 (store_copy_prop): Likewise.
10580 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
10582 2006-03-20 Jason Merrill <jason@redhat.com>
10585 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
10586 (push_visibility, pop_visibility): Likewise.
10587 * c-pragma.h: Declare them.
10589 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
10591 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
10593 * config/sh/sh.c (find_regmode_weight): Change the type of the first
10594 parameter and use get_ebb_head_tail.
10595 (sh_md_init_global): Adjust uses of find_regmode_weight.
10597 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
10599 * function.h (struct function) <x_tail_recursion_reentry>:
10600 Rename to x_stack_check_probe_note.
10601 (tail_recursion_reentry): Rename to stack_check_probe_note.
10602 * function.c: Replace tail_recursion_reentry with
10603 stack_check_probe_note everywhere.
10604 (expand_function_start): Only emit a note for
10605 stack_check_probe_note with -fstack-protect.
10606 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
10608 * emit-rtl.c (remove_unnecessary_notes): Remove.
10609 (pass_remove_unnecessary_notes): Remove.
10610 * rtl.h (remove_unnecessary_notes): Remove prototype.
10611 * final.c (final_start_function): Don't call remove_unnecessary_notes.
10612 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
10613 * passes.c (pass_remove_unnecessary_notes): Don't run it.
10615 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
10618 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
10619 (valid_in_set): Handle ARRAY_REF.
10620 Change "if min_variant or VH" to asserts.
10621 (create_component_ref_by_pieces): Handle ARRAY_REF.
10622 (create_expression_by_pieces): Likewise.
10623 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
10625 2006-03-20 David Edelsohn <edelsohn@gnu.org>
10627 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
10628 is operand of switch, not str[0].
10630 2006-03-20 Alan Modra <amodra@bigpond.net.au>
10632 * config/rs6000/rs6000.c (rs6000_handle_option): Use
10633 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
10635 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10637 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
10638 end of insn_extra_address_constraint declaration.
10640 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10642 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
10643 (no-sum-in-toc): Same.
10644 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
10646 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
10647 NO_FP_IN_TOC for -fPIC instead of mask.
10649 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
10650 (BOOT_LDFLAGS): Delete.
10652 * config/rs6000/t-aix52: Same.
10654 * config/rs6000/rs6000.md (store_multiple_power): Delete.
10655 (stmsi[345678]_power): New.
10657 2006-03-17 Steve Ellcey <sje@cup.hp.com>
10659 * config/ia64/ia64.opt: Add empty line to end of file.
10661 2006-03-17 Richard Guenther <rguenther@suse.de>
10663 PR middle-end/26721
10664 * builtins.c (get_pointer_alignment): For component style references
10665 adjust alignment to the component type alignment. Make sure
10666 to adjust alignment for component access of constants.
10668 2006-03-17 David Edelsohn <edelsohn@gnu.org>
10670 * config/rs6000/rs6000.md (strlensi): Emit barrier after
10671 unconditional jump.
10673 2006-03-17 Paul Brook <paul@codesourcery.com>
10675 * doc/install.texi: Docuemnt --with-mode.
10676 * config.gcc: Add --with-mode for arm*-*-*.
10677 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
10679 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
10681 * sh.c (max_labelno_before_reorg): New variable.
10682 (sh_reorg): Initialize it.
10683 (find_barrier): Check max_labelno_before_reorg before using
10684 label_to_alignment. Take length of explicit alignment insns
10685 into account. When seeing a UNSPECV_CONST_END, return it.
10687 * sh.c (fixup_mova): Set mode of affected label to QImode.
10688 (untangle_mova): New function.
10689 (find_barrier): Use it. Check mode of label before decrementing
10691 (sh_reorg): Likewise.
10692 Set mode of all insns back to VOIDmode.
10694 * sh.c (MOVA_LABELREF): New macro.
10695 (mova_p, fixup_mova, sh_reorg): Use it.
10696 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
10697 ADDR_DIFF_VEC matches mova.
10699 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
10701 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
10702 with ATTRIBUTE_UNUSED.
10704 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
10706 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
10707 pointer, instead of assuming it is possible to derive the
10708 correct args size from a call insn.
10710 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10712 * rtl.h (CONST_INT_P): Define.
10713 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
10714 instead of GET_CODE(x) == CONST_INT.
10715 (vax_rtx_costs): Likewise.
10716 (vax_output_int_move): Likewise.
10717 (vax_output_int_add): Likewise.
10718 (legitimate_constant_address_p): Likewise.
10719 (index_term_p): Likewise.
10720 * config/vax/vax.h (PRINT_OPERAND): Likewise.
10721 * config/vax/vax.md (and<mode>3): Likewise.
10722 (ashrsi3): Likewise.
10724 (movstricthi): Likewise.
10725 (movstrictqi): Likewise.
10726 (rotrsi3): Likewise.
10727 (five unnamed insns): Likewise.
10729 2006-03-16 Geoffrey Keating <geoffk@apple.com>
10731 * doc/tm.texi (SDB and DWARF): Add extra parameter to
10732 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
10733 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10734 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10735 Pass to ASM_OUTPUT_DWARF_OFFSET.
10736 * dwarf2out.c (debug_frame_section): New.
10737 (output_call_frame_info): Use debug_frame_section. Pass it to
10738 dw2_asm_output_offset.
10739 (output_die): Pass appropriate section to dw2_asm_output_offset.
10740 (output_compilation_unit_header): Likewise.
10741 (output_pubnames): Likewise.
10742 (output_aranges): Likewise.
10743 (enum dw_val_class): Break dw_val_class_lbl_offset into
10744 dw_val_class_lineptr and dw_val_class_macptr.
10745 (add_AT_lbl_offset): Delete.
10746 (add_AT_lineptr): New.
10747 (add_AT_macptr): New.
10748 (AT_lbl): Expect a lineptr or macptr.
10749 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10750 (attr_checksum): Likewise.
10751 (same_dw_val_p): Likewise.
10752 (size_of_die): Likewise.
10753 (value_format): Likewise.
10754 (output_die): Likewise.
10755 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10757 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10758 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10759 * config/darwin-protos.h (darwin_file_start): New.
10760 (darwin_asm_output_dwarf_offset): New.
10761 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10762 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10764 * config/darwin.c (darwin_emit_unwind_label): Don't output label
10765 if not EH section; simplify.
10766 (darwin_file_start): New.
10767 (darwin_asm_output_dwarf_offset): New.
10768 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10770 (DEBUG_INFO_SECTION): Likewise.
10771 (DEBUG_ABBREV_SECTION): Likewise.
10772 (DEBUG_ARANGES_SECTION): Likewise.
10773 (DEBUG_MACINFO_SECTION): Likewise.
10774 (DEBUG_LINE_SECTION): Likewise.
10775 (DEBUG_LOC_SECTION): Likewise.
10776 (DEBUG_PUBNAMES_SECTION): Likewise.
10777 (DEBUG_STR_SECTION): Likewise.
10778 (DEBUG_RANGES_SECTION): Likewise.
10779 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10780 (ASM_OUTPUT_DWARF_OFFSET): New.
10782 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10784 * config.gcc (tm_defines): Always add to previous value rather
10787 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10789 * config/mips/predicates.md (splittable_const_int_operand): New,
10790 split from move_operand.
10791 (splittable_symbolic_operand): New.
10792 (move_operand): Add commentary. Use splittable_const_int_operand.
10793 Inline mips_atomic_symbolic_constant_p.
10794 * config/mips/mips.md: Add combine splitters for handling moves
10795 of splittable_const_int_operands and splittable_symbolic_operands.
10796 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10797 (mips_split_symbol): Declare.
10798 (mips_move_integer): Declare.
10799 * config/mips/mips.c (mips_split_p): Make global.
10800 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10801 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10802 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10803 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10804 (mips_offset_within_object_p): Handle block symbols.
10805 (mips_atomic_symbolic_constant_p): Delete.
10806 (mips_cannot_force_const_mem): Return false for constants that
10807 mips_legitimize_move can handle.
10808 (mips_use_blocks_for_constant_p): New function.
10809 (mips_split_symbol): Make global.
10810 (mips_move_integer): Likewise. Add a temporary register argument.
10811 (mips_legitimize_const_move): Use splittable_const_int_operand and
10812 splittable_symbolic_operand.
10813 (mips_use_anchors_for_symbol_p): New function.
10814 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10815 (mips_split_p): Declare.
10817 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10819 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10820 (mips*-*-linux*): Likewise.
10822 2006-03-16 Roger Sayle <roger@eyesopen.com>
10823 Daniel Speyer <dspeyer@wam.umd.edu>
10825 PR middle-end/18259
10826 * tree-dump.c (dump_real): New function.
10827 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10828 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10829 (tree-dump.o): Add $(REAL_H) to the dependencies.
10831 2006-03-16 Roger Sayle <roger@eyesopen.com>
10833 PR middle-end/21781
10834 * real.c (real_from_string): If the mantissa is zero, don't bother
10835 parsing the exponent as the result should always be zero.
10837 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10839 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10841 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10843 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10844 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10845 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10846 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10847 ia64_sched_finish_global): New static functions to implement
10848 hooks from gcc_target.sched.
10849 (spec_check_no, max_uid, pending_data_specs): New static variables.
10850 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10851 ia64_spec_check_src_p): New static functions.
10852 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10853 (TARGET_SCHED_ADJUST_COST): Removed.
10854 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10855 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10856 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10857 TARGET_SCHED_GEN_CHECK,
10858 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10859 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10860 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10861 Fixed to handle speculation checks.
10862 (rtx_needs_barrier): Fixed to handle speculative loads and
10864 (ia64_variable_issue): Added code to count speculative loads and their
10866 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10868 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10870 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10872 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10873 (ia64_reorg): Reset stops_p to NULL after it is freed.
10874 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10875 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10876 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10878 (data_speculative, control_speculative, check_load): New attributes.
10879 (mov<mode>_advanced, mov<mode>_speculative,
10880 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
10881 zero_extend<mode>di2_speculative,
10882 zero_extend<mode>di2_speculative_advanced): New patterns for
10883 data and control speculative loads.
10884 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
10886 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
10887 New pattern for data and control speculation checks.
10888 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
10889 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
10890 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
10891 Auxiliary definitions for the patterns.
10892 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
10893 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
10895 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
10897 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
10898 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
10899 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
10900 New resource constraints.
10901 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
10903 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
10904 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
10905 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10906 msched-in-control-spec, msched-ldc, msched-control-ldc,
10907 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10908 msched-prefer-non-control-spec-insns,
10909 msched-count-spec-in-critical-path): New flags to tune speculative
10911 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
10912 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
10913 msched-in-control-spec, msched-ldc, msched-control-ldc,
10914 msched-spec-verbose, msched-prefer-non-data-spec-insns,
10915 msched-prefer-non-control-spec-insns,
10916 msched-count-spec-in-critical-path): Document new flags.
10918 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10920 * target.h (struct spec_info_def): New opaque declaration.
10921 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
10922 speculate_insn, needs_block_p, gen_check,
10923 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
10924 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
10925 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
10926 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10927 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10928 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
10930 (TARGET_SCHED): Use new macros.
10931 * rtl.h (copy_DEPS_LIST_list): New prototype.
10932 * sched-int.h (struct sched_info): Change signature of new_ready field,
10933 adjust all initializations. New fields: add_remove_insn,
10934 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
10935 region_head_or_leaf_p.
10936 (struct spec_info_def): New structure declaration.
10937 (spec_info_t): New typedef.
10938 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
10939 recovery_block, orig_pat.
10940 (glat_start, glat_end): New variables declaraions.
10941 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
10943 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
10944 DETACH_LIFE_INFO, USE_GLAT.
10945 (enum SPEC_SCHED_FLAGS): New enumeration.
10946 (NOTE_NOTE_BB_P): New macro.
10947 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
10948 attach_life_info, debug_spec_status, check_reg_live): New functions.
10949 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
10950 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
10952 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
10953 * ddg.c (get_block_head_tail): Adjust all uses.
10954 * modulo-sched.c (get_block_head_tail): Adjust all uses.
10955 (sms_sched_info): Initialize new fields.
10956 (contributes_to_priority): Removed.
10957 * haifa-sched.c (params.h): New include.
10958 (get_block_head_tail): Adjust all uses.
10959 (ISSUE_POINTS): New macro.
10960 (glat_start, glat_end): New global variables.
10961 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
10962 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
10963 old_last_basic_block, before_recovery, current_sched_info_var,
10964 rgn_n_insns, luid): New static variables.
10965 (insn_cost1): New function. Move logic from insn_cost to here.
10966 (find_insn_reg_weight1): New function. Move logic from
10967 find_insn_reg_weight to here.
10968 (reemit_notes, move_insn, max_issue): Change signature.
10969 (move_insn1): Removed.
10970 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
10971 extend_bb): New static functions to support extension of scheduler's
10973 (generate_recovery_code, process_insn_depend_be_in_spec,
10974 begin_speculative_block, add_to_speculative_block,
10975 init_before_recovery, create_recovery_block, create_check_block_twin,
10976 fix_recovery_deps): New static functions to support
10977 generation of recovery code.
10978 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10979 restore_bb_notes, move_block_after_check, move_succs): New static
10980 functions to support ebb scheduling.
10981 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10982 functions to support handling of register live information.
10983 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10984 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10985 add_jump_dependencies): New static functions.
10986 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10987 consistancy checking.
10988 (debug_spec_status): New function to call from debugger.
10989 (priority): Added code to handle speculation checks.
10990 (rank_for_schedule): Added code to distinguish speculative instructions.
10991 (schedule_insn): Added code to handle speculation checks.
10992 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10993 Fixed to handle ebbs.
10994 (move_insn): Added code to handle ebb scheduling.
10995 (max_issue): Added code to use ISSUE_POINTS of instructions.
10996 (choose_ready): Added code to choose between speculative and
10997 non-speculative instructions.
10998 (schedule_block): Added code to handle ebb scheduling and scheduling of
10999 speculative instructions.
11000 (sched_init): Initialize new variables.
11001 (sched_finish): Free new variables. Print statistics.
11002 (try_ready): Added code to handle speculative instructions.
11003 * lists.c (copy_DEPS_LIST_list): New function.
11004 * sched-deps.c (extend_dependency_caches): New function. Move logic
11005 from create_dependency_caches to here.
11006 (get_dep_weak, ds_merge): Make global.
11007 * genattr.c (main): Code to output prototype for
11008 dfa_clear_single_insn_cache.
11009 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
11010 (output_dfa_clean_insn_cache_func): Code to output
11011 dfa_clear_single_insn_cache function.
11012 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
11014 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
11016 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
11017 New static variables.
11018 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
11019 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
11021 (ebb_sched_info): Initialize new fields.
11022 (get_block_head_tail): Adjust all uses.
11023 (compute_jump_reg_dependencies): Fixed to use glat_start.
11024 (schedule_ebb): Code to remove unreachable last block.
11025 (schedule_ebbs): Added code to update register live information.
11026 * sched-rgn.c (region_sched_info): Initialize new fields.
11027 (get_block_head_tail): Adjust all uses.
11028 (last_was_jump): Removed. Adjust users.
11029 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
11030 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
11031 Implement new hooks.
11032 (check_dead_notes1): New static function.
11033 (struct region): New fields: dont_calc_deps, has_real_ebb.
11034 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
11035 (BB_TO_BLOCK): Fixed to handle EBBs.
11036 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
11037 (ebb_head): New static variable.
11038 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
11039 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
11041 (compute_dom_prob_ps): New assertion.
11042 (check_live_1, update_live_1): Fixed to work with glat_start instead of
11043 global_live_at_start.
11044 (init_ready_list): New assertions.
11045 (can_schedule_ready_p): Split update code to begin_schedule_ready.
11046 (new_ready): Add support for BEGIN_CONTROL speculation.
11047 (schedule_insns): Fixed code that updates register live information
11049 (schedule_region): Fixed to handle EBBs.
11050 (init_regions): Use extend_regions and check_dead_notes1.
11051 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
11052 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
11053 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
11054 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11055 TARGET_SCHED_GEN_CHECK,
11056 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11057 TARGET_SCHED_SET_SCHED_FLAGS): Document.
11058 * doc/invoke.texi (max-sched-insn-conflict-delay,
11059 sched-spec-prob-cutoff): Document.
11061 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11063 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
11064 inter_tick, queue_index.
11065 (struct sched_info): Change signature of init_ready_list field.
11066 Adjust all initializations.
11067 (RESOLVED_DEPS): New access macro.
11068 (ready_add): Remove prototype.
11069 (try_ready): Add prototype.
11070 * sched-rgn.c (init_ready_list): Use try_ready.
11071 (schedule_region): Initialize
11072 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
11073 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
11074 (init_ready_list): Use try_ready.
11075 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
11076 * lists.c (remove_list_elem): Remove `static'.
11077 (remove_free_INSN_LIST_elem): New function.
11078 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
11079 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
11080 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
11082 (readyp): New variable.
11083 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
11084 change_queue_index, resolve_dep): New static functions.
11085 (try_ready): New function. Adjust callers in sched-rgn.c and
11086 sched-ebb.c to use it instead of ready_add.
11087 (clock_var): Move at the begining of file.
11088 (rank_for_schedule): Fix typo.
11089 (queue_insn): Add assertion. Handle QUEUE_INDEX.
11090 (ready_lastpos): Enforce assertion.
11091 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
11092 update all callers.
11093 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
11094 (schedule_insn): Rewrite to use try_ready and resolve_dep.
11095 (queue_to_ready): Use free_INSN_LIST_list.
11096 (early_queue_to_ready): Fix typo.
11097 (schedule_block): Init readyp. Move init_ready_list call after the
11098 initialization of clock_var. Fix error in rejecting insn by
11099 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
11100 that previously corrected INSN_TICKs. Add code for handling
11102 (set_priorities): Fix typo.
11103 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
11104 Clarify comment and code that keeps current_sched_info->next_tail
11107 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11109 * sched-rgn.c (extend_rgns): New static function.
11110 (find_rgns): Use it.
11111 (gather_region_statistics, print_region_statistics): New static
11113 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
11114 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11116 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11117 Andrey Belevantsev <abel@ispras.ru>
11119 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
11120 * lists.c (unused_deps_list): New variable.
11121 (free_list): Add assertions to verify the proper distinguishing
11122 between INSN_LISTs and DEPS_LISTs.
11123 (find_list_elem, remove_list_elem, remove_list_node): New static
11125 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
11126 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
11127 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
11128 (alloc_INSN_LIST): Assert that the list we're working on is indeed
11130 (free_INSN_LIST_node): Likewise.
11131 * modulo-sched.c (current_sched_info): Initialize flags field.
11132 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
11133 * rtl.def (DEPS_LIST): Define.
11134 * rtl.h: Declare new functions from lists.c.
11135 * sched-deps.c (spec_dependency_cache): New static variable.
11136 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
11137 (add_dependence): Change return type to void. Move the logic to ...
11138 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
11139 (delete_all_dependences): Add comment about forward_dependency_cache.
11140 Handle spec_dependency_cache. Handle DEPS_LISTs.
11141 (fixup_sched_groups): Clarify the change of priority of output
11142 and anti dependencies.
11143 (sched_analyze_2): Adjust add_dependence calls to create data
11144 speculative dependence.
11145 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
11146 Adjust all callers. Handle DEPS_LISTS.
11147 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
11148 presence of speculation.
11149 (init_dependency_caches, free_dependency_caches):
11150 Handle spec_dependency_cache.
11151 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
11152 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
11153 New static functions.
11154 (add_or_update_back_dep, add_or_update_back_forw_dep,
11155 add_back_forw_dep, delete_back_forw_dep): New functions.
11156 * sched-int.h (ds_t, dw_t): New typedefs.
11157 (struct sched_info): Add new field flags.
11158 (struct haifa_insn_data): Add new bitfield has_internal_dep.
11159 Prototype new sched-deps.c functions.
11160 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
11161 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
11162 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
11163 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
11164 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
11165 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
11167 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
11169 * sched-rgn.c (current_sched_info): Initialize flags field.
11170 (schedule_insns): Initialize current_sched_info before the sched_init
11172 * sched-ebb.c (current_sched_info): Initialize flags field.
11173 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
11174 Call add_or_update_back_dep instead of add_dependence.
11175 Create control speculative dependencies.
11176 (schedule_insns): Initialize current_sched_info before the sched_init
11179 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
11181 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
11183 (sh_fallback_frame_state): Likewise.
11185 2006-03-15 Geoffrey Keating <geoffk@apple.com>
11187 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
11188 Do switch on default_use_cxa_atexit.
11189 (powerpc*-*-darwin*): Build crt2.o on powerpc.
11190 * config/darwin-crt3.o: New.
11191 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
11192 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
11193 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
11195 * config/rs6000/t-darwin: Move crt2.o building to here.
11196 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
11197 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
11200 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11202 * config/vax/vax.c (nonindexed_address_p): Change logical negation
11203 from '! xxx' to '!xxx' for coding-style conformance.
11204 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
11205 (EXTRA_CONSTRAINT): Likewise.
11206 * config/vax/vax.md (four unnamed insns): Likewise.
11208 2006-03-15 Paul Brook <paul@codesourcery.com>
11210 * config/arm/arm.c (minipool_pad): New.
11211 (add_minipool_forward_ref): Include pool alignment padding in address
11213 (push_minipool_fix): Set minipool_pad.
11214 (minipool_pad): Ditto.
11216 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11218 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
11219 instead of GET_CODE() == MEM and REG_P() instead of
11221 (print_operand_address): Likewise.
11222 (vax_address_cost): Likewise.
11223 (vax_rtx_costs): Likewise.
11224 (vax_notice_update_cc): Likewise.
11225 (vax_output_int_add): Likewise.
11226 (INDEX_REGISTER_P): Likewise.
11227 (BASE_REGISTER_P): Likewise.
11228 (nonindexed_address_p): Likewise.
11229 (vax_mode_dependent_address_p): Likewise.
11230 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
11231 (PRINT_OPERAND): Likewise.
11232 * config/vax/vax.md (ashlsi3): Likewise.
11233 (ashlsi3): Likewise.
11234 (some more unnamed insns): Likewise.
11236 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
11238 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
11239 iterator-style macro.
11240 (mark_control_dependent_edges_necessary): Update the use of
11241 EXECUTE_IF_CONTROL_DEPENDENT.
11243 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
11245 * config/sh/predicates.md (cache_address_operand): Special.
11246 (ua_address_operand): Likewise.
11248 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
11250 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
11252 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
11254 2006-03-15 Andreas Schwab <schwab@suse.de>
11256 * gensupport.c (identify_predicable_attribute): Don't free p_false
11257 when it is still in use.
11259 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
11261 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
11262 the default setting here.
11264 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
11266 * tree-pass.h (pass_cfg): Remove.
11267 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
11268 * passes.c (pass_cfg): Don't run it.
11270 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
11272 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
11273 * reg-stack.c (stack_regs_mentioned_data): Change the type to
11275 (stack_regs_mentioned): Update the uses of
11276 stack_regs_mentioned_data. Don't access the array beyond its
11278 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
11279 Don't include gt-reg-stack.h.
11281 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
11282 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
11284 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
11286 PR middle-end/26684
11287 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
11290 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11292 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
11294 2006-03-14 Richard Guenther <rguenther@suse.de>
11296 PR tree-optimization/26672
11297 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
11300 2006-03-14 Richard Guenther <rguenther@suse.de>
11302 PR tree-optimization/26667
11303 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
11304 node for the callees. Always allow inlining if it will shrink
11307 2006-03-14 Richard Guenther <rguenther@suse.de>
11309 PR middle-end/26659
11310 * builtins.c (get_pointer_alignment): Prefer alignment
11311 information from decls over that from types.
11313 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
11316 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
11318 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
11320 * config/rs6000/rs6000.opt (mdlmzb): New option.
11321 (msched-prolog, msched-epilog): Use Var not Mask.
11322 * doc/invoke.texi (-mdlmzb): Document.
11323 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11325 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
11326 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
11328 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
11330 PR rtl-optimization/25739
11331 * bt-load.c (augment_live_range): Free tos pointer.
11333 * gensupport.c (identify_predicable_attribute): Free
11335 * gcov.c (create_file_names): Free name pointer.
11337 2006-03-13 Roger Sayle <roger@eyesopen.com>
11339 PR middle-end/26557
11340 * stmt.c (emit_case_nodes): Handle the case where the index is a
11341 CONST_INT, where the comparison mode is specified by the index type.
11343 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11345 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
11348 2006-03-13 Richard Sandiford <richard@codesourcery.com>
11350 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
11351 (*branch_fp_inverted): Likewise.
11353 2006-03-13 Jakub Jelinek <jakub@redhat.com>
11355 PR middle-end/25989
11356 * omp-low.c (expand_omp_for_generic): Mark istart0
11357 and iend0 as addressable.
11359 2006-03-13 Jie Zhang <jie.zhang@analog.com>
11361 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
11363 2006-03-13 Jeff Law <law@redhat.com>
11365 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
11366 virtual operands are interesting.
11367 (vrp_visit_stmt): Corresponding changes.
11369 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
11371 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
11373 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
11374 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
11375 * config/bfin/crti.S: Use it instead of __PIC__.
11376 * config/bfin/crtn.S: Likewise.
11378 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
11379 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
11381 Lose 'G' modifier for call operand.
11382 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
11383 recognize 'G' modifier.
11385 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
11387 PR middle-end/18859
11388 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
11389 * stmt.c (expand_case): Likewise.
11391 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11393 PR rtl-optimization/26254
11394 * loop-invariant.c (seq_insns_valid_p): New function.
11395 (move_invariant_reg): Only emit new code if it is valid.
11397 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11399 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
11401 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
11402 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
11403 (commit_one_edge_insertion): Do not look for loop notes.
11405 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11407 * jump.c (follow_jumps): Do not check for loop notes. Move check for
11408 flag_test_coverage out of loop.
11410 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11412 * final.c (shorten_branches): Remove outdated comment, and turn
11413 the if branch that guards it to continue.
11415 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11417 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
11418 * cfgloop.h (struct loop): Remove unused fields.
11420 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
11422 * doc/invoke.texi (-fdump-rtl-loop): Remove.
11423 (-dL, -fdump-rtl-loop2): Update the dump file names
11425 * doc/invoke.texi: Update dump file names.
11427 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
11429 * predict.c (estimate_probability): Remove.
11430 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
11431 * basic-block.h (estimate_probability): Remove prototype.
11432 * passes.c (finish_optimization_passes): Dump branch prediction or
11433 profiling heuristics to the .profile tree dump.
11434 (init_optimization_passes): Unqueue pass_branch_prob.
11436 * doc/invoke.texi (-fdump-rtl-bp): Remove.
11438 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11440 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
11441 * rtl.h (LABEL_NEXTREF): Remove field accessor.
11443 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
11445 * function.h (frame_offset_overflow): Declare.
11446 * function.c (frame_offset_overflow): New function.
11447 (assign_stack_local_1): Call it to detect that the offset overflows.
11448 * cfgexpand.c (alloc_stack_frame_space): Likewise.
11450 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11452 * config/sh/sh.c: Include alloc-pool.h.
11453 (label_ref_list_pool): New alloc pool.
11454 (label_ref_list_t): New type for lists of labels.
11455 (struct pool_node): Make wend a label_ref_list_t.
11456 (add_constant): Use the new type, eradicate LABEL_NEXTREF
11458 (dump_table): Likewise.
11459 (sh_reorg): Set up the alloc pool before using add_constant and
11460 dump_table, and destroy it when finishing.
11462 2006-03-11 Richard Sandiford <richard@codesourcery.com>
11464 * config/mips/mips.c: Remove redundant comment.
11466 2006-03-10 Jason Merrill <jason@redhat.com>
11469 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
11470 the target was declared 'register'.
11472 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
11474 * genpreds.c (write_insn_constraint_len): Change definition of
11475 insn_constraint_len to return size_t to match the declaration.
11477 2006-03-10 DJ Delorie <dj@redhat.com>
11479 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
11481 (m32c_expand_insv): Fix test for an AND mask.
11483 2006-03-10 Richard Guenther <rguenther@suse.de>
11485 PR middle-end/26565
11486 * builtins.c (get_pointer_alignment): Handle component
11487 references for field alignment.
11489 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11491 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
11492 when building with libgloss.
11493 (sh*elf): Implement --without-fp option.
11494 (sh64-superh-linux*): Don't multilib.
11496 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11498 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
11500 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
11502 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
11503 Set it when one of the replacement functions returned true.
11504 Return TODO_cleanup_cfg if cfgchanged is true.
11505 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
11507 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
11509 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
11510 instead of gen_lowpart.
11512 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11514 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
11516 (mips_output_order_conditional_branch): Declare.
11517 * config/mips/mips.h (MIPS_BRANCH): New macro.
11518 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
11519 for the comparison. Use gen_condjump.
11520 (mips_output_conditional_branch): Rework interface to take the
11521 asm templates for a direct branch and the inverse of a direct branch.
11522 (mips_output_order_conditional_branch): New function.
11523 (mips_builtin_branch_and_move): New function.
11524 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
11525 branch condition. Use gen_single_cc as the condition for
11526 __builtin_mips_upper_* or __builtin_mips_lower_*.
11527 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
11528 Use VOIDmode for the branch condition.
11529 * config/mips/predicates.md (order_operator): New predicate.
11530 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
11531 (branch_fp): Rename to...
11532 (*branch_fp): ...this. Remove mode from comparison operator.
11533 Use new mips_output_conditional_branch interface.
11534 (branch_fp_inverted): Rename to...
11535 (*branch_fp_inverted): ...this and update as for *branch_fp.
11536 (*branch_zero<mode>): Rename to...
11537 (*branch_order<mode>): ...this. Remove mode from comparison operator.
11538 Use mips_output_order_conditional_branch. Only accept ordered
11540 (*branch_zero<mode>_inverted): Rename to...
11541 (*branch_order<mode>_inverted): ...this and update as for
11542 *branch_order<mode>.
11543 (*branch_equality<mode>): Accept zero as the second operand to
11544 the equality operator. Use the new mips_output_conditional_branch
11546 (*branch_equality<mode>_inverted): Likewise.
11547 (condjump): New expander.
11548 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
11550 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
11551 (bc1any2t, bc1any2f): Likewise.
11552 (single_cc): New expander.
11553 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
11555 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11557 * doc/md.texi: Update documentation of MIPS constraints.
11558 * config/mips/constraints.md: New file.
11559 * config/mips/mips.md: Include it.
11560 * config/mips/mips.c (mips_char_to_class): Delete.
11561 (override_options): Don't initialize mips_char_to_class.
11562 * config/mips/mips.h (mips_char_to_class): Delete.
11563 (REG_CLASS_FROM_LETTER): Delete.
11564 (CONST_OK_FOR_LETTER_P): Delete.
11565 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11566 (EXTRA_CONSTRAINT_Y): Delete.
11567 (EXTRA_CONSTRAINT_STR): Delete.
11568 (CONSTRAINT_LEN): Delete.
11569 (EXTRA_MEMORY_CONSTRAINT): Delete.
11571 2006-03-09 Diego Novillo <dnovillo@redhat.com>
11573 * tree-cfg.c (move_block_to_fn): Remove the statements from the
11574 original fn's eh regions.
11576 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
11578 * fold-const.c (build_range_check): Make sure to use a valid type to
11579 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
11582 (range_predecessor): New static function.
11583 (range_successor): Likewise.
11584 (merge_ranges): Use them to compute predecessors and successors of
11587 2006-03-09 Roger Sayle <roger@eyesopen.com>
11589 PR middle-end/26561
11590 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
11591 X op C3, consider whether C3 overflows towards +Inf or -Inf.
11593 2006-03-08 DJ Delorie <dj@redhat.com>
11595 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
11596 (addpsi3): Expand to include memory operands. Remove
11597 reload-specific splits.
11598 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
11599 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
11600 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
11601 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
11602 (shift1_qi, shift1_hi, insv): New.
11603 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
11604 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
11605 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
11607 * config/m32c/m32c-protos.h: Update as needed.
11608 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
11609 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
11610 Fail for unrecognized R* constraints.
11611 (m32c_cannot_change_mode_class): Be more picky about pseudos.
11612 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
11613 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
11615 (m32c_init_libfuncs): New.
11616 (m32c_legitimate_address_p): Add debug wrapper.
11617 (m32c_rtx_costs): New.
11618 (m32c_address_cost): New.
11619 (conversions): Add 'B' prefix.
11620 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
11621 operands, or word regnames for QI operands. 'B' prints bit
11623 (m32c_expand_setmemhi): New.
11624 (m32c_expand_movmemhi): New.
11625 (m32c_expand_movstr): New.
11626 (m32c_expand_cmpstr): New.
11627 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
11628 (m32c_expand_neg_mulpsi3): Handle non-ints.
11629 (m32c_cmp_flg_0): New.
11630 (m32c_expand_movcc): New.
11631 (m32c_expand_insv): New.
11632 (m32c_scc_pattern): New.
11633 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
11634 a0/a1 out of SIregs.
11635 (STORE_FLAG_VALUE): New.
11636 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
11639 * config/m32c/mov.md: Make constraints more liberal.
11640 (zero_extendqihi2): Optimize r0/r1 case.
11641 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
11642 * config/m32c/predicates.md (m32c_any_operand): New.
11643 (m32c_nonimmediate_operand): New.
11644 (m32c_hl_operand): New.
11645 (m32c_r3_operand): New.
11648 (memsym_operand): New.
11649 (memimmed_operand): New.
11650 (a_qi_operand): New.
11651 (m32c_eqne_operator): New.
11652 (m32c_1bit8_operand): New.
11653 (m32c_1bit16_operand): New.
11654 (m32c_1mask8_operand): New.
11655 (m32c_1mask16_operand): New.
11656 * config/m32c/blkmov.md: New file.
11657 * config/m32c/t-m32c (MD_FILES): Add blkmov.
11659 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
11661 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
11662 unsigned to fix signed/unsigned comparison issue in
11663 DWARF2_FRAME_REG_OUT.
11664 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
11665 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
11667 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
11668 of ptr into the ENABLE_CHECKING section.
11670 2006-03-08 Jeff Law <law@redhat.com>
11672 * tree-vrp.c (infer_value_range): Only count pointer uses
11673 and dereferences if -fdelete-null-pointer-checks is enabled.
11675 * tree-vrp.c (find_assert_locations): Infer value ranges for
11676 single use pointers, but do not create ASSERT_EXPRs for them.
11677 When a non-null range is inferred for a pointer, backwards
11678 propagate that range to other equivalent pointers through the
11681 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
11684 * Makefile.in (dvi, html, install-info): Invoke the corresponding
11685 language hook targets.
11686 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
11687 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
11688 if language hook targets were missing.
11690 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
11692 * tree-ssa-opfinalize.h: Removed.
11693 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
11695 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
11696 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
11697 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
11698 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
11699 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
11700 finalize_ssa_v_must_def_ops): New.
11702 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
11704 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
11705 block as parameter.
11707 2006-03-07 Geoffrey Keating <geoffk@apple.com>
11709 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
11711 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
11712 addresses with offsets; reorganize.
11714 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
11715 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
11716 (expand_builtin_init_dwarf_reg_sizes): Likewise.
11718 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
11721 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
11723 2006-03-08 Ben Elliston <bje@au.ibm.com>
11725 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
11727 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
11730 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11733 2006-03-07 Richard Guenther <rguenther@suse.de>
11735 PR tree-optimization/26587
11736 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11738 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11740 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11742 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11744 * hooks.c (hook_bool_mode_rtx_true): New function.
11745 * hooks.h (hook_bool_mode_rtx_true): Declare.
11746 * toplev.c (compile_file): Call output_shared_constant_pool.
11747 * varasm.c (shared_constant_pool): New variable.
11748 (assemble_start_function, assemble_end_function): Remove arguments
11749 from call to output_constant_pool.
11750 (create_constant_pool): New function, split out from...
11751 (init_varasm_status): ...here.
11752 (force_const_mem): Choose between the shared and per-function constant
11753 pools. Set current_function_uses_const_pool when reusing old entries
11754 as well as when creating new ones.
11755 (mark_constant): Ignore data argument.
11756 (mark_constants): Remove pool argument.
11757 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
11758 to decide whether the function uses a constant pool.
11759 (output_constant_pool_contents): New function, split out from...
11760 (output_constant_pool): ...here.
11761 (output_shared_constant_pool): New function.
11762 (init_varasm_once): Initialize shared_constant_pool.
11763 * output.h (output_constant_pool): Delete.
11764 (output_shared_constant_pool): Declare.
11765 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11766 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11768 2006-03-06 Nick Clifton <nickc@redhat.com>
11770 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11771 flag_strength_reduce.
11773 2006-03-06 Ben Elliston <bje@au.ibm.com>
11775 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11776 x86_64-*-linux* configurations.
11778 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11779 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11781 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11783 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11785 * basic-block.h: Remove the extern for
11786 rediscover_loops_after_threading.
11788 * cfgloop.c (cancel_loop): Make it static.
11789 * cfgloop.h: Remove the prototype for cancel_loop.
11791 * flow.c (recompute_reg_usage): Make it static.
11792 * rtl.h: Remove the prototype for recompute_reg_usage.
11794 * function.c (use_return_register): Make it static.
11795 * function.h: Remove the prototype.
11797 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11799 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11801 * recog.h: Remove the prototype for
11802 validate_change_maybe_volatile.
11804 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11806 * rtlanal.c (replace_reg): Remove.
11807 * rtl.h: Remove the prototype for replace_reg.
11809 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11811 * regclass.c (reg_scan_update): Remove.
11812 (reg_scan_mark_refs): Remove the last argument.
11813 * rtl.h: Remove the prototype for reg_scan_update.
11815 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11817 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11818 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11819 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11820 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11821 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11822 loop-invariant.c, omp-low.c, opts.c, passes.c,
11823 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11824 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11825 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11826 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11827 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11828 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11830 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11832 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11833 * dwarf2out.h: Remove the prototype for
11834 dwarf2out_add_library_unit_info.
11836 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11838 * tree.c (add_var_to_bind_expr): Remove.
11839 * tree.h: Remove the prototype for add_var_to_bind_expr.
11841 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11843 * regclass.c (n_non_fixed_regs): Remove.
11844 (init_reg_sets_1, globalize_reg): Remove all uses of
11846 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11848 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11850 * rtlanal.c (insns_safe_to_move_p): Remove.
11851 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11853 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11855 * expmed.c (expand_mult_add): Remove.
11856 * expr.h: Remove the prototype for expand_mult_add.
11858 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11860 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11861 and REG_SAVED_VAL_EXP constants.
11862 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11863 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11864 Handle regs stored by value.
11865 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11866 (execute_cfa_program): Handle DW_CFA_val_offset,
11867 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11868 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11869 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11870 (uw_install_context_1): Handle target regs stored by value.
11872 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11874 * tree-sra.c (tree_sra): Return todoflags;
11875 (generate_one_element): Set TODO_update_smt_usage if needed.
11876 (pass_sra): Remove TODO_update_smt_usage.
11877 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11879 (tree_ssa_forward_propagate_single_use_vars): Return
11880 TODO_update_smt_usage if we need to update SMT usage.
11881 (pass_forwprop): Remove TODO_update_smt_usage.
11883 2006-03-03 Diego Novillo <dnovillo@redhat.com>
11885 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
11886 (correct_use_link): Remove reference to get_stmt_operands.
11887 (update_stmt_operands): Likewise.
11888 (get_modify_expr_operands): New function factored out of
11889 parse_ssa_operands and get_expr_operands.
11890 Try to create V_MUST_DEFs for LHS by default.
11891 (get_expr_operands) <case MODIFY_EXPR>: Call
11892 get_modify_expr_operands.
11893 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
11894 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
11895 (parse_ssa_operands) <case MODIFY_EXPR>: Call
11896 get_modify_expr_operands.
11898 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
11900 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
11901 * tree-flow.h: Remove the prototype for
11902 referenced_var_lookup_if_exists.
11904 2006-03-03 Steve Ellcey <sje@cup.hp.com>
11906 PR rtl-optimization/26345
11908 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
11910 2006-03-03 Roger Sayle <roger@eyesopen.com>
11912 PR tree-optimization/26524
11913 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
11914 fold_convert to create a constant of the appropriate type.
11916 2006-03-03 Richard Sandiford <richard@codesourcery.com>
11918 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11919 SYMBOL_REF_IN_BLOCK_P.
11920 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
11921 of SYMBOL_FLAG_IN_BLOCK.
11922 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
11923 instead of SYMBOL_REF_IN_BLOCK_P.
11924 * explow.c (use_anchored_address): Likewise.
11925 * rtl.c (rtx_size): Likewise.
11926 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
11927 instead of SYMBOL_FLAG_IN_BLOCK.
11928 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11929 SYMBOL_REF_IN_BLOCK_P.
11930 (assemble_variable): Likewise.
11931 (output_constant_def_contents): Likewise.
11932 (output_constant_pool): Likewise.
11933 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
11934 instead of SYMBOL_FLAG_IN_BLOCK.
11935 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11936 SYMBOL_REF_IN_BLOCK_P.
11937 (SYMBOL_REF_BLOCK): Likewise.
11938 (SYMBOL_REF_OFFSET): Likewise.
11939 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
11940 SYMBOL_REF_IN_BLOCK_P.
11941 (SYMBOL_FLAG_IN_BLOCK): Replace with...
11942 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
11943 (SYMBOL_REF_IN_BLOCK_P): Replace with...
11944 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
11946 2006-03-03 Jakub Jelinek <jakub@redhat.com>
11948 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
11950 2006-03-02 Roger Sayle <roger@eyesopen.com>
11952 * simplify-rtx.c (simplify_unary_operation): When simplifying
11953 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
11954 that we perform the right shift in the appropriate mode, and
11955 then extend or truncate the result to requested mode.
11957 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
11959 * gengtype.c (main): Handle double_int type.
11960 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
11961 * double-int.c: New file.
11962 * double-int.h: New file.
11963 * system.h: Include doubleint.h.
11964 * Makefile.in (SYSTEM_H): Include double-int.h.
11965 (double-int.o): Add.
11967 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
11970 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
11973 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11975 * tree-vrp.c (remove_range_assertions): Do not update statements
11978 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11980 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11982 * gcse.c (rest_of_handle_gcse): Ditto.
11983 * except.c (gate_handle_eh): Ditto.
11984 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11985 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11987 2006-03-02 Eric Christopher <echristo@apple.com>
11989 * config/i386/i386.c (machopic_output_stub): Add indirection to
11992 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11996 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11998 Sun Niagara specific optimizations.
11999 * config.gcc: Recognize niagara as target.
12000 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
12001 (TARGET_CPU_niagara): Define.
12002 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
12003 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
12004 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12005 (ASM_CPU_SPEC): Likewise.
12006 (PROCESSOR_NIAGARA): New enum entry.
12007 (REGISTER_MOVE_COST): Handle Niagara.
12008 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
12009 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
12010 (sparc_override_options): Recognize "niagara", set appropriate
12011 default MASK_* values for it, and align functions to 32-bytes
12012 by default just like ULTRASPARC/ULTRASPARC3.
12013 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
12014 (sparc64_initialize_trampoline): Likewise.
12015 (sparc_use_sched_lookahead): Use zero for niagara.
12016 (sparc_issue_rate): Use one for niagara.
12017 * config/sparc/niagara.md: New file.
12018 * config/sparc/sparc.md: Include it.
12019 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
12020 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
12021 when default cpu is niagara.
12022 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12023 (ASM_CPU_SPEC): Likewise.
12024 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
12025 when default cpu is niagara.
12026 (ASM_CPU_SPEC): Handle -mcpu=niagara.
12027 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
12028 just like v9/ultrasparc/ultrasparc3.
12029 * doc/invoke.texi: Add documentation for "niagara" and improve
12030 existing documentation for ultrasparc variants.
12032 2006-03-02 Diego Novillo <dnovillo@redhat.com>
12034 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
12036 2006-03-02 Richard Sandiford <richard@codesourcery.com>
12038 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
12039 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
12040 and say that only one is needed.
12041 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
12042 * target.h (have_switchable_bss_sections): New hook.
12043 * explow.c (use_anchored_address): Check that the symbol is in a block.
12044 * varasm.c (tls_comm_section, comm_section, lcomm_section)
12045 (bss_noswitch_section): New variables.
12046 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
12047 (get_noswitch_section): New function.
12048 (get_block_for_section): Allow SECT to be null.
12049 (unlikely_text_section_p): Use SECTION_STYLE.
12050 (bss_initializer_p): New function.
12051 (get_variable_section): Move earlier in file. Take a new argument,
12052 prefer_noswitch_p. Move bss checks from assemble_variable to here.
12053 Return one of the new *_sections in such cases.
12054 (get_block_for_decl): New function, extracting some logic from
12055 use_blocks_for_decl_p.
12056 (change_symbol_section): Remove in favor of...
12057 (change_symbol_block): ...this new function.
12058 (use_blocks_for_decl_p): Remove checks now performed by
12059 get_block_for_decl.
12060 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
12061 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
12062 (emit_local, emit_bss, emit_common): ...these new functions.
12063 Return true if the alignment was honored.
12064 (emit_tls_common): New function.
12065 (asm_emit_uninitialised): Delete.
12066 (assemble_variable_noswitch): New function, split out from...
12067 (assemble_variable): ...here. Don't make decisions about common
12068 variables here. Globalize all public decls that go into non-common
12069 sections. Check whether SYMBOL_REF_BLOCK is null.
12070 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
12071 (output_constant_pool): Likewise.
12072 (init_varasm_once): Initialize the new section variables.
12073 (have_global_bss_p): New function.
12074 (categorize_decl_for_section): Use bss_initializer_p.
12075 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
12076 (place_block_symbol): Assert that the symbol must be in a block.
12077 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
12078 (TARGET_INITIALIZER): Include it.
12079 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
12080 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
12081 (SECTION_MACH_DEP): Bump by two.
12082 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
12083 (unnamed_section): Mention SECTION_UNNAMED in comment.
12084 (named_section): Likewise SECTION_NAMED.
12085 (noswitch_section_callback): New type.
12086 (noswitch_section): New structure.
12087 (section): Add a noswitch_section alternative.
12088 (SECTION_STYLE): New macro.
12089 (tls_comm_section, comm_section, lcomm_section): Declare.
12090 (bss_noswitch_section, have_global_bss_p): Declare.
12091 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12092 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12094 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12095 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12098 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
12100 * tree-vrp.c (execute_vrp): Return value.
12101 * regrename.c (rest_of_handle_regrename): Ditto.
12102 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
12103 * tree-complex.c (tree_lower_complex): Ditto.
12104 (tree_lower_complex_O0): Ditto.
12105 * tracer.c (rest_of_handle_tracer): Ditto.
12106 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
12107 * postreload.c (rest_of_handle_postreload): Ditto.
12108 * tree-tailcall.c (execute_tail_recursion): Ditto.
12109 (execute_tail_calls): Ditto.
12110 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12111 * tree.h (init_function_for_compilation): Ditto.
12112 * ipa-cp.c (ipcp_driver): Ditto.
12113 * tree-scalar-evolution.c (scev_const_prop): Ditto.
12114 * tree-scalar-evolution.h (scev_const_prop): Ditto.
12115 * final.c (compute_alignments): Ditto.
12116 (rest_of_handle_final): Ditto.
12117 (rest_of_handle_shorten_branches): Ditto.
12118 (rest_of_clean_state): Ditto.
12119 * omp-low.c (execute_expand_omp): Ditto.
12120 (execute_lower_omp): Ditto.
12121 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
12122 * ipa-reference.c (static_execute): Ditto.
12123 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
12124 * reorg.c (rest_of_handle_delay_slots): Ditto.
12125 (rest_of_handle_machine_reorg): Ditto.
12126 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
12127 * flow.c (recompute_reg_usage): Ditto.
12128 (rest_of_handle_remove_death_notes): Ditto.
12129 (rest_of_handle_life): Ditto.
12130 (rest_of_handle_flow2): Ditto.
12131 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
12132 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
12133 (do_ssa_store_ccp): Ditto.
12134 (execute_fold_all_builtins): Ditto.
12135 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
12136 * modulo-sched.c (rest_of_handle_sms): Ditto.
12137 * ipa-pure-const.c (static_execute): Ditto.
12138 * cse.c (rest_of_handle_cse): Ditto.
12139 (rest_of_handle_cse2): Ditto.
12140 * web.c (rest_of_handle_web): Ditto.
12141 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
12142 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
12143 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
12144 * tree-nrv.c (tree_nrv): Ditto.
12145 (execute_return_slot_opt): Ditto.
12146 * tree-ssa-alias.c (compute_may_aliases): Ditto.
12147 (create_structure_vars): Ditto.
12148 * loop-init.c (rtl_loop_init): Ditto.
12149 (rtl_loop_done): Ditto.
12150 (rtl_move_loop_invariants): Ditto.
12151 (rtl_unswitch): Ditto.
12152 (rtl_unroll_and_peel_loops): Ditto.
12153 (rtl_doloop): Ditto.
12154 * gimple-low.c (lower_function_body): Ditto.
12155 (mark_used_blocks): Ditto.
12156 * tree-ssa-sink.c (execute_sink_code): Ditto.
12157 * ipa-inline.c (cgraph_decide_inlining): Ditto.
12158 (cgraph_early_inlining): Ditto.
12159 * global.c (rest_of_handle_global_alloc): Ditto.
12160 * jump.c (cleanup_barriers): Ditto.
12161 (purge_line_number_notes): Ditto.
12162 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
12163 (rest_of_handle_if_after_reload): Ditto.
12164 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
12165 (tree_ssa_loop_im): Ditto.
12166 (tree_ssa_loop_unswitch): Ditto.
12167 (tree_vectorize): Ditto.
12168 (tree_linear_transform): Ditto.
12169 (tree_ssa_loop_ivcanon): Ditto.
12170 (tree_ssa_empty_loop): Ditto.
12171 (tree_ssa_loop_bounds): Ditto.
12172 (tree_complete_unroll): Ditto.
12173 (tree_ssa_loop_prefetch): Ditto.
12174 (tree_ssa_loop_ivopts): Ditto.
12175 (tree_ssa_loop_done): Ditto.
12176 * predict.c (tree_estimate_probability): Ditto.
12177 * recog.c (split_all_insns_noflow): Ditto.
12178 (rest_of_handle_peephole2): Ditto.
12179 (rest_of_handle_split_all_insns): Ditto.
12180 * tree-eh.c (lower_eh_constructs): Ditto.
12181 * regmove.c (rest_of_handle_regmove): Ditto.
12182 (rest_of_handle_stack_adjustments): Ditto.
12183 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
12184 * function.c (instantiate_virtual_regs): Ditto.
12185 (init_function_for_compilation): Ditto.
12186 (rest_of_handle_check_leaf_regs): Ditto.
12187 * gcse.c (rest_of_handle_jump_bypass): Ditto.
12188 (rest_of_handle_gcse): Ditto.
12189 * ipa-type-escape.c (type_escape_execute): Ditto.
12190 * alias.c (rest_of_handle_cfg): Ditto.
12191 * tree-if-conv.c (main_tree_if_conversion): Ditto.
12192 * profile.c (rest_of_handle_branch_prob): Ditto.
12193 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
12194 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
12195 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
12196 * tree-dfa.c (find_referenced_vars): Ditto.
12197 * except.c (set_nothrow_function_flags): Ditto.
12198 (convert_to_eh_region_ranges): Ditto.
12199 (rest_of_handle_eh): Ditto.
12200 * emit-rtl.c (unshare_all_rtl): Ditto.
12201 (remove_unnecessary_notes): Ditto.
12202 * except.h (set_nothrow_function_flags): Ditto.
12203 (convert_to_eh_region_ranges): Ditto.
12204 * cfgexpand.c (tree_expand_cfg): Ditto.
12205 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
12206 * tree-ssa-pre.c (do_pre): Ditto.
12207 (execute_fre): Ditto.
12208 * cfgcleanup.c (rest_of_handle_jump): Ditto.
12209 (rest_of_handle_jump2): Ditto.
12210 * tree-sra.c (tree_sra): Ditto.
12211 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
12212 (execute_mudflap_function_decls): Ditto.
12213 * tree-ssa-copy.c (do_copy_prop): Ditto.
12214 (do_store_copy_prop): Ditto.
12215 * ipa-prop.h (ipcp_driver): Ditto.
12216 * cfglayout.c (insn_locators_initialize): Ditto.
12217 * tree-ssa-forwprop.c
12218 (tree_ssa_forward_propagate_single_use_vars): Ditto.
12219 * cfglayout.h (insn_locators_initialize): Ditto.
12220 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
12221 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
12222 (execute_late_warn_uninitialized): Ditto.
12223 * rtl.h (cleanup_barriers): Ditto.
12224 (split_all_insns_noflow): Ditto.
12225 (purge_line_number_notes): Ditto.
12226 (unshare_all_rtl): Ditto.
12227 (remove_unnecessary_notes): Ditto.
12228 (recompute_reg_usage): Ditto.
12229 (variable_tracking_main): Ditto.
12230 * integrate.c (emit_initial_value_sets): Ditto.
12231 * integrate.h (emit_initial_value_sets): Ditto.
12232 * tree-optimize.c (execute_free_datastructures): Ditto
12233 (execute_free_cfg_annotations): Ditto.
12234 (execute_fixup_cfg): Ditto.
12235 (execute_cleanup_cfg_pre_ipa): Ditto.
12236 (execute_cleanup_cfg_post_optimizing): Ditto.
12237 (execute_init_datastructures): Ditto.
12238 * tree-object-size.c (compute_object_sizes): Ditto.
12239 * combine.c (rest_of_handle_combine): Ditto.
12240 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
12241 * bb-reorder.c (duplicate_computed_gotos): Ditto.
12242 (rest_of_handle_reorder_blocks): Ditto.
12243 (rest_of_handle_partition_blocks): Ditto.
12244 * var-tracking.c (variable_tracking_main): Ditto.
12245 * tree-profile.c (tree_profiling): Ditto.
12246 * tree-vect-generic.c (expand_vector_operations): Ditto.
12247 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
12248 * sched-rgn.c (rest_of_handle_sched): Ditto.
12249 (rest_of_handle_sched2): Ditto.
12250 * basic-block.h (free_bb_insn): Ditto.
12251 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
12252 * tree-cfg.c (execute_build_cfg): Ditto.
12253 (remove_useless_stmts): Ditto.
12254 (split_critical_edges): Ditto.
12255 (execute_warn_function_return): Ditto.
12256 (execute_warn_function_noreturn): Ditto.
12257 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
12258 * cfgrtl.c (free_bb_for_insn): Ditto.
12259 * passes.c (execute_one_pass): Run additional
12260 todos returned by execute function.
12261 * tree-pass.h (struct tree_opt_pass): Make execute
12264 2006-03-02 Richard Guenther <rguenther@suse.de>
12266 * tree-ssa-alias.c (find_used_portions): Consider taking
12267 the address as making the variable not write-only.
12269 2006-03-02 Nick Clifton <nickc@redhat.com>
12271 * config.gcc (default_use_cxa_atexit): Extend the description of
12272 this configure variable. Set its default value to "yes" for
12273 Linux, NetBSD and ELF targets on the assumption that they will
12274 use C libraries with the __cxa_atexit function.
12276 2006-03-02 Ben Elliston <bje@au.ibm.com>
12278 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
12279 parameter as unused to suppress a build warning.
12281 2006-03-02 Ben Elliston <bje@au.ibm.com>
12283 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
12286 2006-03-01 Roger Sayle <roger@eyesopen.com>
12289 * gthr-posix.h (__gthrw2): Define to take three parameters, the
12290 declared name, the weak reference name, and the typeof name.
12291 (__gthrw): Avoid expanding the declared name suffix.
12292 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
12294 2006-03-01 Jakub Jelinek <jakub@redhat.com>
12296 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
12298 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
12299 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
12300 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
12301 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
12302 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
12303 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
12304 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
12305 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
12306 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
12307 DW_DS_leading_separate, DW_DS_trailing_separate): New.
12308 (DW_END_default, DW_END_big, DW_END_little): New.
12309 (DW_END_lo_user, DW_END_hi_user): Define.
12310 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
12311 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
12312 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
12315 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12317 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
12319 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
12321 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
12323 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
12325 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
12326 to 'symbol_mem_tag'.
12328 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
12331 2006-03-01 Roger Sayle <roger@eyesopen.com>
12333 * builtins.c (fold_builtin_copysign): Delete unreachable code.
12335 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12338 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
12339 MACHO_DYNAMIC_NO_PIC_P.
12340 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
12342 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12345 * config/darwin-protos.h (darwin_asm_output_anchor):
12347 * config/darwin-sections.def (cstring_section):
12348 Add SECTION_MERGE to the flags.
12349 (literal4_section): Likewise.
12350 (literal8_section): Likewise.
12351 (objc_selector_refs_section): Likewise.
12352 (objc_cls_refs_section): Likewise.
12353 * config/darwin.c (darwin_asm_output_anchor): New
12355 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12357 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
12359 Fix PR tree-optimization/26443
12360 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
12361 to todo and PROP_tmt_usage to properties_destroyed.
12362 * tree-ssa-ccp.c (pass_ccp): Ditto.
12363 (pass_store_ccp): Ditto.
12364 * tree-ssa-dom.c (pass_dominator): Ditto.
12366 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12368 * tree-ssa-operands.c: Cleanup whitespace.
12369 (get_asm_expr_operands): Move before first invocation.
12370 (get_indirect_ref_operands): Likewise.
12371 (get_tmr_operands): Likewise.
12372 (get_call_expr_operands): Likewise.
12373 (append_def): Likewise.
12374 (append_use): Likewise.
12375 (append_v_may_def): Likewise.
12376 (append_v_must_def): Likewise.
12377 (add_call_clobber_ops): Likewise.
12378 (add_call_read_ops): Likewise.
12379 (add_stmt_operand): Likewise.
12380 (add_virtual_operand): Likewise.
12381 (build_ssa_operands): Likewise.
12383 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12385 PR middle-end/26022
12387 PR middle-end/24437
12388 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12389 with a call expr to ...
12390 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12392 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12394 * tree-vrp.c (extract_range_from_assert): Remove special
12395 handling for types with super-types.
12397 2006-03-01 Ben Elliston <bje@au.ibm.com>
12399 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
12400 and powerpc64-*-linux* configurations.
12401 * config/t-dfprules: New file.
12403 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
12404 Compile dfp-bit.c from the source directory using -DWIDTH and
12405 $DFP_CFLAGS to control the compilation of that file, rather than
12406 generating width-specific versions in the build directory.
12407 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
12408 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
12410 2006-02-28 Zack Weinberg <zackw@panix.com>
12412 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
12415 2006-02-28 Eric Christopher <echristo@apple.com>
12417 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
12418 Set up IN_LIBGCC definition of TARGET_64BIT.
12419 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
12421 2006-02-28 Roger Sayle <roger@eyesopen.com>
12423 PR middle-end/14752
12424 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
12425 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
12426 cases via the construction of "expr != 0".
12428 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
12430 * alias.c (alias_invariant, alias_invariant_size): Remove.
12431 (record_base_value): Remove.
12432 (memrefs_conflict_p): Don't look at alias_invariant.
12433 (end_alias_analysis): Don't free it.
12434 * alias.h (record_base_value): Remove prototype.
12436 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
12437 Adam Nemet <anemet@caviumnetworks.com>
12439 * rtl.h (truncated_to_mode): Declare it.
12440 (struct rtl_hooks): Add reg_truncated_to_mode hook.
12441 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
12442 (RTL_HOOKS_INITIALIZER): Include it.
12443 * rtlhooks.c (reg_truncated_to_mode_general): New function.
12444 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
12445 reg_truncated_to_mode.
12446 * rtlanal.c (truncated_to_mode): Define it.
12447 * simplify-rtx.c (simplify_unary_operation_1): Use it.
12449 2006-02-28 Jeff Law <law@redhat.com>
12451 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
12452 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
12453 the range allowed by TYPE_PRECISION.
12455 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
12457 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
12459 PR tree-optimization/26419
12460 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
12463 2006-02-27 Zack Weinberg <zackw@panix.com>
12465 * doc/md.texi: Fix typo in previous change.
12467 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
12471 2006-02-27 Zack Weinberg <zackw@panix.com>
12473 * rtl.def (define_constraint, define_register_constraint)
12474 (define_memory_constraint, define_address_constraint): New MD forms.
12475 * gensupport.c (process_rtx): Put define_constraint etc on the
12477 * genpreds.c (process_define_predicate): Adjust comment. Validate
12478 the name, and call validate_exp to validate the expression.
12479 (mark_mode_tests, write_extract_subexp): Can assume correct input.
12480 (write_predicate_expr): Likewise. NAME argument no longer necessary;
12481 all callers changed.
12482 (validate_exp, needs_variable, struct constraint_data)
12483 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
12484 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
12485 (const_dbl_constraints, constraint_max_namelen)
12486 (have_register_constraints, have_memory_constraints)
12487 (have_address_constraints, have_address_constraints)
12488 (have_extra_constraints, have_const_int_constraints)
12489 (have_const_dbl_constraints, mangle, add_constraint)
12490 (process_define_constraint, process_define_register_constraint)
12491 (write_enum_constraint_num, write_lookup_constraint)
12492 (write_insn_constraint_len, write_regclass_for_constraint)
12493 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
12494 (write_insn_extra_memory_constraint)
12495 (write_insn_extra_address_constraint)
12496 (write_satisfies_constraint_fns): New.
12497 (write_tm_preds_h): If we have new-style constraint definitions,
12498 prototype the functions generated from them, and define the
12499 old constraint interface (still used by generic code) in terms of
12501 (write_insn_preds_c): If we have new-style constraint definitions,
12502 generate all relevant functions from those definitions.
12503 (main): Handle define_constraint etc.
12504 * genoutput.c (struct constraint_data, indep_constraints)
12505 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
12506 (mdep_constraint_len): New data structures and functions, defined
12507 #ifdef USE_MD_CONSTRAINTS.
12508 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
12509 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
12510 use new logic to validate operand constraints against constraint
12512 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
12514 * defaults.h: If none of the old-style constraint macros are
12515 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
12516 old-style macros; and poison REG_CLASS_FROM_LETTER,
12517 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
12519 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
12520 * doc/md.texi: Document new constraint-definition mechanism and the
12521 C interface it provides. Remove references to old mechanism
12522 elsewhere in the document.
12523 (Machine Constraints): Use pathnames relative to gcc directory,
12524 i.e. config/ARCH/FILE. Change i386 section to refer to
12525 config/i386/predicates.md; update that section to match docstrings.
12526 * doc/tm.texi: Move all documentation of the old constraint-
12527 definition macros to their own section, clearly mark as obsolete.
12529 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
12530 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
12532 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
12533 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
12534 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
12535 constraint strings.
12536 (splits and peepholes): Use satisfies_constraint_*.
12537 * config/i386/i386.c (memory_address_length)
12538 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
12540 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12542 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
12543 scalar operation to be put back into the loop.
12545 2006-02-27 Jakub Jelinek <jakub@redhat.com>
12548 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
12549 (extract_cie_info): Handle S flag in augmentation string.
12550 (execute_cfa_program): If context->signal_frame, execute also
12551 fs->pc == context->ra instructions.
12552 (uw_frame_state_for): If context->signal_frame, don't subtract one
12553 from context->ra to find FDE.
12554 (uw_update_context_1): Set context->signal_frame to
12556 (_Unwind_GetIPInfo): New function.
12557 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
12558 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
12560 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
12561 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
12562 * unwind-compat.c (_Unwind_GetIPInfo): New function.
12563 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
12564 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
12565 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
12566 * config/i386/linux-unwind.h (x86_fallback_frame_state,
12567 x86_64_fallback_frame_state): Set fs->signal_frame.
12568 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
12569 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
12570 (frob_update_context): Likewise. Workaround missing S flag in
12571 Linux 2.6.12 - 2.6.16 kernel vDSOs.
12572 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
12573 Remove the psw_addr + 1 hack.
12575 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12577 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
12578 with aggregates here.
12579 (find_func_aliases): Remove code for &<aggregate> from here.
12581 2006-02-26 Roger Sayle <roger@eyesopen.com>
12583 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
12584 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
12585 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
12586 as (X & C) ne/eq 0.
12588 2006-02-26 Roger Sayle <roger@eyesopen.com>
12590 PR middle-end/19983
12591 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
12593 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
12595 * opts.c (decode_options): Do not handle flag_strength_reduce.
12596 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
12597 and OPT_fstrength_reduce.
12598 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
12599 flag_prefetch_loop_arrays for being nonzero.
12600 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
12602 (fprefetch-loop-arrays-rtl): Removed.
12603 (flag_prefetch_loop_arrays): Do not specify the value.
12605 * doc/passes.texi: Update documentation of loop optimizer
12607 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
12608 -frerun-loop-opt): Remove.
12610 2006-02-26 Richard Guenther <rguenther@suse.de>
12612 PR tree-optimization/26421
12613 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
12614 in function calls that are ADDR_EXPRs as using the whole structure.
12616 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
12618 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
12619 * tree-pass.h (pass_loop_optimize): Remove.
12620 * passes.c (pass_loop_optimize): Never run it.
12621 * toplev.c (backend_init): Don't call init_loop.
12622 * opts.c (flag_loop_optimize_set): Remove.
12623 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
12624 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
12625 the old RTL loop optimizer when profiling enabled.
12626 * predict.c (tree_estimate_probability): Always strip builtin_expect.
12627 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
12628 pre-headers for the sake of the old RTL loop optimizer.
12629 * Makefile.in: Remove all references to loop.o.
12631 * doc/invoke.texi: Remove all references to -floop-optimize
12632 and -frerun-loop-opt.
12634 2006-02-26 Zack Weinberg <zackw@panix.com>
12636 * doc/md.texi (Machine Constraints): Refer to all files with paths
12637 relative to gcc directory (i.e. config/CPU/file). Add missing
12638 @table @code ... @end table to M32C subsection.
12640 2006-02-26 Roger Sayle <roger@eyesopen.com>
12642 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
12644 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
12646 2006-02-26 Roger Sayle <roger@eyesopen.com>
12647 James A. Morrison <phython@gcc.gnu.org>
12649 PR middle-end/21137
12650 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
12651 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
12652 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
12653 signedness of the shift operation.
12655 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
12657 PR tree-optimization/26359
12658 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
12660 2006-02-25 Roger Sayle <roger@eyesopen.com>
12662 * simplify-rtx.c (simplify_relational_operation_1): Simplify
12663 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
12664 as X == 0, and some symmetry related transformations.
12665 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
12667 2006-02-25 Roger Sayle <roger@eyesopen.com>
12669 PR middle-end/23673
12670 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
12671 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
12672 symmetry related transformations. Fold (X^C1) == C2 as
12675 2006-02-25 Juergen Weigert <jw@suse.de>
12676 Richard Guenther <rguenther@suse.de>
12678 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
12680 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
12682 * combine.c (gen_lowpart_or_truncate): Call
12683 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
12685 2006-02-24 Diego Novillo <dnovillo@redhat.com>
12687 * doc/invoke.texi: Move -fopenmp description to "Options for
12689 Remove reference to -lgomp.
12691 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12693 * doc/install.texi: Require GNU tar version 1.14.
12695 2006-02-24 Geoffrey Keating <geoffk@apple.com>
12697 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
12698 * doc/invoke.texi (C++ Dialect Options): Document
12699 -fno-use-cxa-get-exception-ptr.
12700 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
12701 * configure: Regenerate.
12702 * c.opt (fuse-cxa-get-exception-ptr): New.
12703 * c-opts.c (c_common_handle_option): Handle
12704 OPT_fuse_cxa_get_exception_ptr.
12705 * c-common.c (flag_use_cxa_atexit): Update documentation.
12706 (flag_use_cxa_get_exception_ptr): New.
12707 * c-common.h (flag_use_cxa_get_exception_ptr): New.
12708 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
12710 (C_COMMON_OVERRIDE_OPTIONS): New.
12712 2006-02-24 Roger Sayle <roger@eyesopen.com>
12714 PR middle-end/24952
12715 * combine.c (try_combine): Explicitly check whether GET_CODE is
12716 a SET or a CLOBBER, instead on checking that it isn't a USE.
12718 2006-02-24 Roger Sayle <roger@eyesopen.com>
12720 * fold-const.c (fold_comparison): New subroutine of fold_binary
12721 containing transformations common to both the equality and
12722 ordering relational operators, factored out of fold_binary.
12723 (fold_binary): Separate out the equality operators (EQ_EXPR
12724 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
12725 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
12726 transformations common to both.
12727 (fold_div_compare): Fix latent bugs in the previously unreachable
12728 LT_EXPR and GE_EXPR cases.
12730 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12732 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12733 decl libname for clog to __clog on AIX.
12735 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12737 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12740 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12741 output traceback table for thunks. Localise rs6000_stack_info call.
12743 2006-02-23 Roger Sayle <roger@eyesopen.com>
12744 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12746 * gthr-posix.h (__gthrw): Fix typo in comment.
12748 2006-02-23 Geoffrey Keating <geoffk@apple.com>
12750 * doc/cpp.texi (Character sets): Document that we do support
12751 input files to be in any character set.
12753 2006-02-23 Jeff Law <law@redhat.com>
12755 * tree.h (PHI_ARG_NONZERO): Remove.
12756 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12757 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12758 node to the new node.
12760 PR tree-optimization/26425
12761 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12762 min/max, then assume its varying.
12764 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12766 PR rtl-optimization/26316
12767 * rtlanal.c (enum may_trap_p_flags): New.
12768 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
12769 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12770 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12771 (may_trap_after_code_motion_p): New function.
12772 * loop-invariant.c (find_identical_invariants): Fix dump formating.
12773 (find_invariant_insn): Use may_trap_after_code_motion_p.
12774 * rtl.h (may_trap_after_code_motion_p): Declare.
12776 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12778 * emit-rtl.c (immed_double_const): Cleanup.
12780 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12782 Fix PR tree-optimization/26376
12783 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12786 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12788 PR middle-end/26412
12789 * gimplify.c (omp_add_variable): Guard variable size decl test with
12790 DECL_SIZE (decl) check.
12792 2006-02-23 Richard Guenther <rguenther@suse.de>
12794 PR middle-end/26439
12795 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12796 like aggregate types.
12798 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12800 * configure.ac: Add --with{,out}-long-double-128 configure option.
12801 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12802 * configure: Rebuilt.
12803 * config.in: Rebuilt.
12804 * doc/install.texi (Options specification): Document
12805 --with-long-double-128.
12807 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12808 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12809 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12810 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12812 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12814 * config/s390/s390.c (override_options): Handle
12815 TARGET_DEFAULT_LONG_DOUBLE_128.
12817 * config/alpha/alpha.c (override_options): Handle
12818 TARGET_DEFAULT_LONG_DOUBLE_128.
12820 * config/sparc/sparc.c (sparc_override_options): Handle
12821 TARGET_DEFAULT_LONG_DOUBLE_128.
12823 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12825 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12826 (real-install-headers-tar, real-install-headers-cpio)
12827 (real-install-headers-cp): New targets.
12829 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12831 * tree.h (variable_section): Delete.
12832 * varasm.c (variable_section): Delete.
12834 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12836 * install.texi: Add notes on install.texi2html.
12837 (Building in parallel): Do not use footnotes.
12839 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12842 * doc/install.texi (Configuration): Document --disable-libgomp.
12844 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12846 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12848 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12850 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12851 (vec_extractv2df_0_sse): New.
12853 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12855 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12856 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12857 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12858 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12859 to the result of the expression.
12860 (def_cfa_1): Adjust.
12861 (frame_pointer_cfa_offset): Rename to...
12862 (frame_pointer_fb_offset): ... this. Adjust all uses.
12863 (convert_cfa_to_loc_list): Rename to...
12864 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12865 Pass it on to build_cfa_loc.
12866 (compute_frame_pointer_to_cfa_displacement): Rename to...
12867 (compute_frame_pointer_to_fb_displacement): ... this. New
12868 offset parameter. Use it in computation.
12869 (gen_subprogram_die): Compute cfa_fb_offset with the new
12870 macro, and use it to compute the fb loc list and the
12873 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12875 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12876 replaced with register_operand.
12877 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12878 non-DREG is expensive.
12879 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12880 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
12883 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
12885 * doc/install.texi2html: Use set -e.
12887 2006-02-21 Richard Sandiford <richard@codesourcery.com>
12889 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12890 (ASM_OUTPUT_SHARED_LOCAL): Delete.
12891 * doc/invoke.texi (-fshared-data): Delete.
12892 * common.opt (fshared-data): Delete.
12893 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
12894 (assemble_static_space): Remove #if 0 code.
12895 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
12896 (ASM_OUTPUT_SHARED_LOCAL): Poison.
12897 * config/cris/cris.h: Remove FIXME.
12899 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
12901 * doc/sourcebuild.texi (Front End Directory): No more double-colon
12904 2006-02-21 Jakub Jelinek <jakub@redhat.com>
12906 PR middle-end/26379
12907 * combine.c (simplify_shift_const_1): Disable nested shifts
12908 optimization for vector shifts.
12910 2006-02-20 Roger Sayle <roger@eyesopen.com>
12912 PR tree-optimization/26361
12913 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
12914 of unsigned integer types.
12916 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
12918 * tree-chrec.c (eq_evolutions_p): New.
12919 * tree-chrec.h (eq_evolutions_p): Declared.
12920 * tree-data-ref.c: Fix formatting.
12921 (datadep_stats, dependence_stats): New.
12923 (print_direction_vector): New.
12924 (dump_data_dependence_relation): Use print_direction_vector.
12925 (object_analysis, create_data_ref): Handle COMPONENT_REF.
12926 (compute_subscript_distance): Static.
12927 (initialize_data_dependence_relation): Static. Get the number
12928 of loops surrounding the references from the callers, and initialize
12929 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
12930 base_object_differ_p analyzers.
12931 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
12932 compute_overlap_steps_for_affine_1_2,
12933 analyze_subscript_affine_affine): Count the classified dependences.
12934 Print a message when a test failed.
12935 (can_use_analyze_subscript_affine_affine): New.
12936 (analyze_siv_subscript): Compute the data dependences on symbolic
12937 scevs that verify can_use_analyze_subscript_affine_affine.
12938 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
12939 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
12940 Handle symbolic scevs.
12941 (analyze_overlapping_iterations): Let symbolic affine scevs to be
12943 (subscript_dependence_tester): Moved...
12944 (build_classic_dist_vector, build_classic_dir_vector): Don't use
12945 lambda_vector_clear on newly allocated vectors. Get nb_loops from
12946 DDR_SIZE_VECT instead of getting it in parameter.
12947 (subscript_dependence_tester): ... here. Take as a parameter
12948 loop_nest_depth. Call build_classic_dist_vector and
12949 build_classic_dir_vector.
12950 (compute_affine_dependence): Update subscript_dependence_tester
12951 parameters. Update datadep_stats counters. Call
12952 compute_subscript_distance.
12953 (compute_self_dependence): Save the dist and dir vectors. Call
12954 compute_subscript_distance.
12955 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
12956 (compute_all_dependences): Reorder parameters as they were before
12957 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
12958 compute_subscript_distance. Update the use of
12959 compute_affine_dependence and initialize_data_dependence_relation.
12960 (find_data_references_in_loop): Handle COMPONENT_REF.
12961 (compute_data_dependences_for_loop): Initialize dependence_stats.
12962 Don't call build_classic_dist_vector and build_classic_dir_vector.
12963 Update the parameters of initialize_data_dependence_relation and
12964 compute_all_dependences. Print the statistics from datadep_stats.
12965 (analyze_all_data_dependences): Static. Not used until the pass for
12966 checking the data dependences is contributed.
12967 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
12968 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
12969 (initialize_data_dependence_relation, compute_affine_dependence,
12970 analyze_all_data_dependences, compute_subscript_distance): Removed.
12971 (print_direction_vector): New.
12972 * lambda.h (gcd): ... here.
12973 (lambda_vector_gcd): Moved here from gcd_vector.
12974 * lambda-code.c (gcd, gcd_vector): Removed.
12975 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12976 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12978 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12980 * ipa-type-escape.c: Tidy some comments and white space.
12981 * tree-ssa-operands.c: Likewise.
12983 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12986 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12987 (dump_decl_name): Do not walk the decl tree chains.
12988 * tree-pass.h (TDF_CHAIN): Remove.
12990 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12992 * Makefile.in (C): Remove
12994 (.PHONY): Remove C and PROTO
12996 2006-02-20 Roger Sayle <roger@eyesopen.com>
12998 PR middle-end/26236
12999 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
13000 deprecated CHAR_TYPE tree code.
13002 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13004 * configure.ac (target_list): Add install-info, dvi, html.
13005 * configure: Regenerate.
13007 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
13008 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
13009 treelang/Make-lang.in: Do not use double-colon rules.
13011 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
13013 * tree.h (struct tree_memory_tag): Add is_used_alone member.
13014 (TMT_USED_ALONE): New macro.
13015 * tree-pass.h (PROP_tmt_usage): New property.
13016 (TODO_update_tmt_usage): New todo.
13017 * tree-ssa-alias.c (updating_used_alone): New variable.
13018 (recalculate_used_alone): New function.
13019 (compute_may_aliases): Set updating_used_alone, call
13020 recalculate_used_alone.
13021 * tree-sra.c (pass_sra): Note that this pass destroys
13022 PROP_tmt_usage, and add TODO_update_tmt_usage.
13023 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
13024 * tree-flow.h (updating_used_alone): Prototype.
13025 (recalculate_used_alone): Ditto.
13026 * passes.c (execute_todo): Add code to set updating_used_alone,
13027 and call recalculate.
13028 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
13029 for clobber if used alone, and add assert to verify used_alone
13032 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
13034 * config/s390/s390.c (legitimize_pic_address): Assertions checking
13035 for non tls symbols added.
13036 (legitimize_address): Do nothing for PLUS expressions if one of the
13037 addends is a tls symbol reference.
13039 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13043 * Makefile.in (LDFLAGS): Define from autoconf substitution.
13045 * Makefile.in (BOOTSTRAPPING): New.
13046 (quickstrap): New definition if BOOTSTRAPPING=yes.
13048 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
13049 * configure.ac: Substitute all_selected_languages with the languages
13050 that were configured. For all the other variables except
13051 lang_specs_files, include all the languages in the tree.
13052 * configure: Regenerate.
13054 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
13055 if there is one. Run the commands to run fixincludes in the same
13058 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
13059 * doc/install.texi: Document exact conventions for searching target tools.
13060 Document --with-build-time-tools. Document toplevel bootstrap. Document
13061 something more about building an Ada cross-compiler. Don't list GNU Make
13062 requirements which affect all platforms.
13064 2006-02-19 Roger Sayle <roger@eyesopen.com>
13066 PR middle-end/19543
13067 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
13068 only equivalent if the have both the same mode and precision.
13070 2006-02-20 Ben Elliston <bje@au.ibm.com>
13072 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
13074 2006-02-19 Roger Sayle <roger@eyesopen.com>
13075 Steven Bosscher <stevenb.gcc@gmail.com>
13077 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
13078 constant pool references to identify stack mode constants.
13079 * rtlanal.c (constant_pool_constant_p): New predicate to check
13080 whether operand is a floating point constant in the pool.
13081 * rtl.h (constant_pool_constant_p): Prototype here.
13082 * loop.c (scan_loop): Avoid hoisting constants from the constant
13083 pool on STACK_REGS targets.
13084 (load_mems): Likewise.
13085 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
13086 loads into x87 registers expensive in terms of register pressure.
13088 2006-02-19 Roger Sayle <roger@eyesopen.com>
13090 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
13091 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
13093 2006-02-19 David Edelsohn <edelsohn@gnu.org>
13095 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13096 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
13098 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
13100 * doc/invoke.texi: Document -fipa-pta.
13101 * common.opt: Add ipa-pta option.
13102 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
13103 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
13104 (do_ds_constraint): Ditto.
13105 (get_constraint_for): Only add to referenced_vars if
13106 referenced_vars exists.
13107 (insert_into_field_list): Rewrite to do this unsorted.
13108 (insert_into_field_list_sorted): Rename old insert_into_field_list
13110 (create_function_info_for): Use insert_into_field_list_sorted.
13111 (create_variable_info_for): Rewrite so it uses unsorted version,
13112 since the field list is sorted.
13113 (intra_create_variable_infos): Only add to referenced_vars if
13114 referenced_vars exists.
13115 (ipa_pta_execute): Init heapvars, and delete when done.
13116 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
13118 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13120 * doc/install.texi: Add missing `@samp'.
13122 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13124 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
13127 2006-02-18 Mark Wielaard <mark@klomp.org>
13129 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
13130 who added new 4.1 features, bug fixes and integration support.
13132 2006-02-18 David Edelsohn <edelsohn@gnu.org>
13135 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
13136 MEM for ABI_V4 pic.
13138 2006-02-18 Richard Sandiford <richard@codesourcery.com>
13140 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
13141 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
13142 (copy_insn_1): Likewise. Don't copy each field individually.
13144 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
13146 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
13147 * rtl.c (rtx_size): Rename variable to...
13148 (rtx_code_size): ...this.
13149 (rtx_size): New function.
13150 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
13151 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
13153 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
13154 * rtl.h (rtx_code_size): New variable.
13155 (rtx_size): Change from a variable to a function.
13156 (RTX_SIZE): Rename to...
13157 (RTX_CODE_SIZE): ...this.
13160 PR tree-optimization/17106
13161 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
13162 (Anchored Addresses): New section.
13163 * doc/invoke.texi (-fsection-anchors): Document.
13164 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
13165 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
13166 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
13167 * hooks.c (hook_bool_mode_rtx_false): New function.
13168 * hooks.h (hook_bool_mode_rtx_false): Declare.
13169 * gengtype.c (create_optional_field): New function.
13170 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
13171 SYMBOL_REF_IN_BLOCK_P is true.
13172 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
13173 (min_anchor_offset, max_anchor_offset): Likewise.
13174 (use_anchors_for_symbol_p): New hook.
13175 * toplev.c (compile_file): Call output_object_blocks.
13176 (target_supports_section_anchors_p): New function.
13177 (process_options): Check that -fsection-anchors is only used on
13178 targets that support it and when -funit-at-a-time is in effect.
13179 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
13180 if the decl doesn't have one.
13181 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
13182 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
13183 of force_const_mem through use_anchored_address.
13184 (expand_expr_constant): New function.
13185 (expand_expr_addr_expr_1): Call it. Use the same modifier when
13186 calling expand_expr for INDIRECT_REF.
13187 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
13188 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
13189 * expr.h (use_anchored_address): Declare.
13190 * loop-unroll.c: Don't declare rtx vectors here.
13191 * explow.c: Include output.h.
13192 (validize_mem): Call use_anchored_address.
13193 (use_anchored_address): New function.
13194 * common.opt (-fsection-anchors): New switch.
13195 * varasm.c (object_block_htab, anchor_labelno): New variables.
13196 (hash_section, object_block_entry_eq, object_block_entry_hash)
13197 (use_object_blocks_p, get_block_for_section, create_block_symbol)
13198 (use_blocks_for_decl_p, change_symbol_section): New functions.
13199 (get_variable_section): New function, split out from assemble_variable.
13200 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
13201 use_blocks_for_decl_p say so. Use change_symbol_section if the
13202 symbol has already been created.
13203 (assemble_variable_contents): New function, split out from...
13204 (assemble_variable): ...here. Don't output any code for
13205 block symbols; just pass them to place_block_symbol.
13206 Use get_variable_section and assemble_variable_contents.
13207 (get_constant_alignment, get_constant_section, get_constant_size): New
13208 functions, split from output_constant_def_contents.
13209 (build_constant_desc): Create a block symbol if use_object_blocks_p
13210 says so. Or into SYMBOL_REF_FLAGS.
13211 (assemble_constant_contents): New function, split from...
13212 (output_constant_def_contents): ...here. Don't output any code
13213 for block symbols; just pass them to place_section_symbol.
13214 Use get_constant_section and get_constant_alignment.
13215 (force_const_mem): Create a block symbol if use_object_blocks_p and
13216 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
13217 (output_constant_pool_1): Add an explicit alignment argument.
13218 Don't switch sections here.
13219 (output_constant_pool): Adjust call to output_constant_pool_1.
13220 Switch sections here instead. Don't output anything for block symbols;
13221 just pass them to place_block_symbol.
13222 (init_varasm_once): Initialize object_block_htab.
13223 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
13224 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
13225 (place_block_symbol, get_section_anchor, output_object_block)
13226 (output_object_block_htab, output_object_blocks): New functions.
13227 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
13228 (TARGET_ASM_OUT): Include it.
13229 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
13230 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
13231 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
13232 (TARGET_INITIALIZER): Include them.
13233 * rtl.c (rtl_check_failed_block_symbol): New function.
13234 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
13235 (block_symbol, object_block): New structures.
13236 (rtx_def): Add a block_symbol field to the union.
13237 (BLOCK_SYMBOL_CHECK): New macro.
13238 (rtl_check_failed_block_symbol): Declare.
13239 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
13240 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
13241 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
13242 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
13243 * output.h (output_section_symbols): Declare.
13244 (object_block): Name structure.
13245 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
13246 (default_use_anchors_for_symbol_p): Declare.
13247 * Makefile.in (RTL_BASE_H): Add vec.h.
13248 (explow.o): Depend on output.h.
13249 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
13250 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13251 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13252 (rs6000_use_blocks_for_constant_p): New function.
13254 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13256 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
13258 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13261 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
13264 2006-02-18 Diego Novillo <dnovillo@redhat.com>
13266 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
13270 2006-02-18 Jakub Jelinek <jakub@redhat.com>
13272 PR middle-end/26334
13273 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
13274 instead of DECL_REGISTER.
13276 2006-02-18 Olivier Hainque <hainque@adacore.com>
13279 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
13281 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
13284 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
13285 * opth-gen.awk: Handle Var and InverseMask together.
13286 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
13287 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
13288 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
13289 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
13291 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13292 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13293 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
13294 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13295 LINUX_DYNAMIC_LINKER): Define.
13296 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
13297 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
13299 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13300 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
13301 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13302 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13303 (TARGET_C99_FUNCTIONS): Don't define.
13304 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
13305 GLIBC_DYNAMIC_LINKER.
13306 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
13307 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
13308 GLIBC_DYNAMIC_LINKER64): Define.
13309 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13310 LINUX_DYNAMIC_LINKER64.
13311 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13312 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13313 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
13314 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13315 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13316 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13317 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
13318 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
13319 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
13320 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
13321 and LINUX_DYNAMIC_LINKER32.
13322 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13323 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13324 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
13325 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13326 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
13328 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
13329 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
13330 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13331 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13332 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13333 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
13334 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
13335 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
13336 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13337 LINUX_DYNAMIC_LINKER): Define.
13338 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
13339 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
13340 GLIBC_DYNAMIC_LINKER64): Define.
13341 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13342 LINUX_DYNAMIC_LINKER64.
13343 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13344 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13345 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
13346 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13347 LINUX_DYNAMIC_LINKER): Define.
13348 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13349 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13350 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
13351 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
13352 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
13353 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13354 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
13355 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
13356 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13357 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13358 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13359 * doc/invoke.texi (-muclibc): Remove caveat about supported
13362 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
13364 * doc/cpp.texi (__TIMESTAMP__): Document.
13366 2006-02-17 Roger Sayle <roger@eyesopen.com>
13368 PR middle-end/25600
13369 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
13370 C is one less than the width of X (and related transformations).
13371 * simplify-rtx.c (simplify_unary_operation_1): Transform
13372 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
13373 depending on STORE_FLAG_VALUE, were C is one less then the
13376 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
13378 Fix PR tree-optimization/26341
13379 * tree-ssa-operands.c (add_virtual_operand): Remove assert
13380 about NAME_MEMORY_TAG's.
13382 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13385 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
13386 with hardware float support, and software float support. Add fcpy
13387 alternative to hardware patterns. Add alternatives to copy between
13388 general and floating-point registers to the 32-bit pattern.
13389 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
13390 secondary reload to load a QI or HI mode constant into a floating
13392 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
13393 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
13395 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
13398 * config/rs6000/darwin.md (load_macho_picbase_si): Add
13400 (load_macho_picbase_di): Likewise.
13402 2006-02-16 Jeff Law <law@redhat.com>
13404 * tree-vrp.c (set_value_range_to_nonnegative): New function.
13405 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
13406 (ssa_name_nonzero_p): Likewise.
13407 (get_value_range): Return NULL if VRP is not running.
13408 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
13409 VRP routines do not discover a range.
13410 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
13411 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
13412 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
13413 (tree_expr_nonnegative_p): Similarly.
13414 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
13415 (restore_nonzero_vars_to_original_value): Remove.
13416 (unsafe_associative_fp_binop): Remove.
13417 (tree_ssa_dominator_optimize): Remove initialization and
13418 finalization of nonzero_vars and nonzero_vars_stack.
13419 (dom_opt_initialize_block): No longer push marker on
13420 nonzero_vars_stack.
13421 (dom_opt_finalize_block): No longer call
13422 restore_nonzero_vars_to_original_value.
13423 (record_equivalences_from_phis): No longer look for
13424 nonzero PHI arguments.
13425 (cprop_into_successor_phis): No longer propagate nonzero
13426 property into PHI arguments. Lose unused argument. Caller
13428 (record_equivalences_from_stmt): No longer record nonzero
13429 values for SSA_NAMEs.
13430 (lookup_avail_expr): No longer use nonzero_vars.
13432 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
13433 for sizetype when sizetype is unsigned.
13435 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
13437 PR rtl-optimization/25603
13438 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
13439 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
13440 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
13441 with new meaning of SETS.
13443 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
13448 * config/linux.opt: New file.
13449 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
13450 LINUX_DYNAMIC_LINKER): Define.
13451 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
13452 * config.gcc (*-*-linux*): Define extra_options.
13453 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
13454 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13455 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
13456 GLIBC_DYNAMIC_LINKER.
13457 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
13458 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13459 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13460 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13461 * doc/invoke.texi (GNU/Linux Options): New section.
13463 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
13465 * config/sparc/sparc.md (setjmp): Rewrite.
13466 (setjmp_32): Delete.
13467 (setjmp_64): Likewise.
13469 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
13471 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
13474 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13476 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
13479 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13481 PR rtl-optimization/26296
13482 * Makefile.in (loop-invariant.c): Add except.h dependency.
13483 * loop-invariant.c: Include except.h.
13484 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
13486 2005-02-16 Paul Brook <paul@codesourcery.com>
13488 * reload1.c (emit_reload_insns): Invalidate dead input registers used
13491 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
13493 PR rtl-optimization/25636
13494 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
13495 when deciding whether an insn is an initializing insn.
13497 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
13499 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
13500 (tree_code_size): Ditto.
13501 * tree.h (struct tree_memory_tag): Remove parent_var.
13502 (struct tree_struct_field_tag): New.
13505 (union tree_node): Add sft member.
13506 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
13508 (create_sft): Add size and offset argument, set SFT_OFFSET and
13510 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
13511 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
13512 * tree-flow-inline.h (get_subvar_at): Update for
13513 SFT_OFFSET/SFT_SIZE.
13514 (var_can_have_subvars): Ditto.
13515 (overlap_subvar): Ditto.
13516 * print-tree.c (print_node): Print out interesting things for
13518 * tree-flow.h (struct subvar): Remove offset and size members.
13519 * tree-ssa-operands.c (get_expr_operands): Update for
13520 get_indirect_ref_operands changes.
13521 (get_indirect_ref_operands): Call add_virtual_operand instead of
13522 add_stmt_operand. Only recurse on base var if requested.
13523 (access_can_touch_variable): New function.
13524 (add_stmt_operand): Split virtual operand handling into ...
13525 (add_virtual_operand): Here. Add offset, size, and for_clobber
13526 arguments. Prune alias sets.
13527 (add_call_clobber_ops): Call add_virtual_operand.
13529 2006-02-15 Jakub Jelinek <jakub@redhat.com>
13531 PR middle-end/26300
13532 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
13534 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
13535 than TREE_CODE as index into omp_clause_num_ops array.
13537 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
13539 PR rtl-optimization/26184
13540 * modulo-sched.c (generate_reg_moves): Free bitmap vector
13542 * modulo-sched.c (sms_schedule): Free g_arr pointer.
13543 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
13544 must_precede, must_follow and tobe_scheduled.
13547 * opts.c (common_handle_option): Free new_option pointer.
13548 * df-core.c (df_analyze): Free postorder pointer.
13550 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13552 * Makefile.in: Fix the examples about the use of stamps
13554 2006-02-15 Michael Matz <matz@suse.de>
13556 PR middle-end/22275
13558 * stor-layout.c (layout_decl): Zero-width bitfields aren't
13559 influenced by maximum_field_alignment or DECL_PACKED.
13560 (update_alignment_for_field): Ditto.
13561 (place_field): Ditto.
13562 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
13565 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
13567 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
13568 (debug_flow_info): Pass it.
13569 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
13570 * bb-reorder.c (reorder_basic_blocks): Likewise.
13571 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
13572 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
13573 * flow.c (life_analysis, recompute_reg_usage): Likewise.
13574 * gcse.c (gcse_main, bypass_jumps): Likewise.
13575 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
13576 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
13577 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
13578 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
13579 * rtl.h (dump_flow_info): Adjust prototype.
13580 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
13581 * var-tracking.c (variable_tracking_main): Likewise.
13582 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
13583 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
13586 2006-02-15 Marcin Dalecki <martin@dalecki.de>
13588 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
13591 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13593 PR tree-optimization/26209
13594 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
13595 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
13597 * tree-cfg.c (replace_uses_by): Do not alter cfg.
13599 2006-02-14 Roger Sayle <roger@eyesopen.com>
13601 PR middle-end/23670
13602 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
13603 (X,Y) and the corresponding symmetry related transformations.
13604 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
13605 (X,Y) and its symmetry related transformations.
13607 2006-02-14 Roger Sayle <roger@eyesopen.com>
13609 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
13612 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
13614 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
13616 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13619 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
13620 support COMDAT group.
13621 * configure: Regenerate.
13623 2006-02-14 Roger Sayle <roger@eyesopen.com>
13625 PR middle-end/26279
13626 PR middle-end/26280
13627 PR middle-end/26283
13628 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
13630 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
13632 Fix PR tree-optimization/26260
13634 * doc/invoke.texi (max-fields-for-field-sensitive): Document
13636 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
13637 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
13638 * tree-ssa-structalias.c (create_variable_info_for): Use
13639 MAX_FIELDS_FOR_FIELD_SENSITIVE.
13641 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13643 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
13645 * tree-ssa-loop-niter.c (number_of_iterations_ne,
13646 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
13647 of the ending condition.
13648 * tree-ssa-loop-manip.c: Include params.h.
13649 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
13650 tree_unroll_loop): New functions.
13651 * tree-pass.h (pass_loop_prefetch): Declare.
13652 * loop.c (rest_of_handle_loop_optimize): Test for
13653 -fprefetch-loop-arrays-rtl.
13654 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
13655 * timevar.def (TV_TREE_PREFETCH): New timevar.
13656 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
13657 pass_loop_prefetch): New.
13658 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
13659 (cleanup_tree_cfg_loop): Call scev_reset.
13660 * common.opt (fprefetch-loop-arrays-rtl): Add.
13661 * tree-ssa-loop-prefetch.c: New file.
13662 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
13663 (new_temp_expr_table): Initialize expr_vars.
13664 (free_temp_expr_table): Cleanup expr_vars.
13665 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
13666 expressions from being merged into one.
13667 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
13668 (struct tree_niter_desc): Add control, bound and cmp fields.
13669 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
13671 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
13672 (tree-cfgcleanup.o): Add SCEV_H dependency.
13673 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
13674 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
13676 2006-02-14 Richard Guenther <rguenther@suse.de>
13678 PR tree-optimization/26258
13679 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
13680 in PHI argument processing.
13682 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
13684 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
13685 new expression in the requested machine mode.
13687 2006-02-13 Roger Sayle <roger@eyesopen.com>
13689 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
13690 directly, instead let do_compare_rtx_and_jump handle this for us.
13691 * expr.c (expand_expr_real_1): Likewise.
13692 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
13693 before do_jump_by_parts_greater.
13694 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
13695 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
13697 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13699 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
13701 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13703 PR rtl-optimization/26235
13704 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
13705 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
13708 2006-02-13 Jeff Law <law@redhat.com>
13710 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
13713 2006-02-13 Jakub Jelinek <jakub@redhat.com>
13715 PR middle-end/26092
13716 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
13717 twice if decl is a builtin. When trying again, call get_callee_fndecl
13718 first to verify it is still a builtin.
13720 2006-02-13 Geoffrey Keating <geoffk@apple.com>
13722 * dwarf2out.c (base_type_die): Don't add AT_name here.
13723 (subrange_type_die): Don't add AT_name here.
13724 (modified_type_die): Rearrange code flow. Do add AT_name here.
13726 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13728 PR rtl-optimization/26247
13729 PR rtl-optimization/26248
13730 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13732 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13734 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13735 * config/fixtfdi.c: Likewise.
13736 * config/fixunstfdi.c: Likewise.
13737 * config/floatditf.c: Likewise.
13739 2006-02-13 Roger Sayle <roger@eyesopen.com>
13741 PR middle-end/24427
13742 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13743 into (X,C2) if C1 is a subset of the bits of C2. Transform
13744 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13746 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13748 2006-02-13 Josh Conner <jconner@apple.com>
13751 * varasm.c (function_section): Check for section name before
13752 calling select_section on targets that define
13753 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
13754 unlikely_text_section instead of hot_function_section if
13755 first_function_block_is_cold.
13757 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
13759 PR middle-end/25335
13760 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13762 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13764 PR rtl-optimization/26222
13765 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13766 after tree->rtl expansion.
13767 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13768 before passing it to emit_move_insn.
13770 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
13772 * doc/invoke.texi (-Write-strings): Document that it is enabled by
13774 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13775 Clarify documentation.
13776 * c-common.h (warn_write_strings): Remove.
13777 * c-common.c (warn_write_strings): Likewise.
13778 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13781 2006-02-12 Roger Sayle <roger@eyesopen.com>
13783 PR middle-end/25724
13784 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13785 (do_jump_parts_zero_rtx): New function renamed from
13786 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13787 (do_jump_parts_equality_rtx): New function split out from
13788 do_jump_parts_equality. Old implementation renamed as above.
13789 Call do_jump_parts_zero_rtx if either operand is zero.
13790 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13791 do all of the heavy lifting.
13792 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13793 calling either do_jump_by_parts_greater_rtx or
13794 do_jump_by_parts_equality_rtx.
13795 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13796 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13797 moved to do_compare_rtx_and_jump, call it directly.
13798 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13799 mode argument. Call do_compare_rtx_and_jump.
13800 (emit_case_nodes): Update calls to do_jump_if_equal.
13802 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13804 PR rtl-optimization/26225
13805 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13807 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13809 PR rtl-optimization/26232
13810 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13812 2006-02-11 Jason Merrill <jason@redhat.com>
13815 * tree-inline.c (declare_return_variable): Just don't use the
13816 modify target if it's a gimple complex reg and the return slot
13819 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13821 * doc/contrib.texi: Update my entry.
13823 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13825 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13827 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13829 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13832 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13834 * doc/invoke.texi (-floop-optimize2): Removed.
13835 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13836 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13837 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13838 * common.opt (floop-optimize2): Removed.
13839 (fmove-loop-invariants): Enabled by default.
13841 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13843 * tree-if-conv.c (combine_blocks): Free the result of
13844 get_loop_exit_edges.
13846 2006-02-10 Jeff Law <law@redhat.com>
13848 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13850 PR tree-optimization/26213
13851 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13852 loop trying to follow SSA_NAME_VALUE chains.
13854 2006-02-10 Richard Guenther <rguenther@suse.de>
13856 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13857 deal with structures that end in implicitly variable sized arrays.
13859 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13861 PR rtl-optimization/24762
13862 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13865 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13867 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13868 (struct ivopts_data): Add regs_used field.
13869 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13870 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13871 instead of loop_data->regs_used;
13872 (free_loop_data): Do not free aux fields for loops.
13873 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13874 and tree_ssa_iv_optimize_finalize.
13876 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13878 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13880 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13883 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
13884 computing the effective result type.
13886 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
13888 PR inline-asm/16194
13889 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
13890 (tree_overlaps_hard_reg_set): Declare.
13891 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
13892 type and signature to match function type expected by walk_tree.
13893 (tree_overlaps_hard_reg_set): New function.
13894 (decl_conflicts_with_clobbers_p): Rename to:
13895 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
13896 Use tree_overlaps_hard_reg_set. Changed caller.
13897 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
13898 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
13899 * cris.c (cris_md_asm_clobbers): Likewise.
13901 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
13903 * reload1.c (emit_input_reload_insns): Delete code that tries to
13904 inherit using find_equiv_reg.
13906 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
13908 * c-common.h (flag_const_strings): Don't declare.
13909 * c-common.c (flag_const_strings): Remove.
13910 * c.opt (fconst_strings): Remove.
13911 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
13912 <OPT_Wwrite_strings>: Don't set flag_const_strings.
13913 (c_common_init_options): Don't set flag_const_strings.
13914 * doc/invoke.texi (-fno-const-strings): Remove documentation.
13916 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13918 * arm.md (tlobits_cbranch): New pattern.
13919 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
13920 testing a single bit.
13922 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13925 * tree-ssa-pre.c (create_component_ref_by_pieces):
13926 Handle RETURN_DECL like VAR_DECL.
13928 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13930 PR middle-end/26134
13931 * fold-const.c (fold_indirect_ref_1): Fold
13932 "*(foo *)&complexfoo" to "__real__ complexfoo"
13933 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
13935 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
13937 * tree-flow-inline.h (var_can_have_subvars):
13938 Volatile variables should not have subvariables.
13940 2006-02-09 Diego Novillo <dnovillo@redhat.com>
13943 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
13944 multiplying unsigned values.
13947 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
13949 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
13951 2006-02-08 Jason Merrill <jason@redhat.com>
13954 * tree.def: Elaborate on difference from MODIFY_EXPR.
13955 * doc/c-tree.texi (INIT_EXPR): Likewise.
13956 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
13957 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
13958 (gimplify_target_expr): Likewise.
13959 (gimplify_cond_expr): Remove target handling.
13960 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
13961 (gimplify_expr): Clobber it here.
13962 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
13963 Do return slot optimization if we have an INIT_EXPR.
13966 * tree-inline.c (declare_return_variable): Also clear
13967 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
13970 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
13972 PR middle-end/22439
13973 * gimplify.c (gimplify_one_sizepos): Fix typo.
13975 2006-02-08 Jeff Law <law@redhat.com>
13977 PR tree-optimization/21417
13978 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13979 across a backedge if the control statement at the end of the
13980 block is data dependent on other statements in the same block.
13981 (record_temporary_equivalences_from_stmts): Remove over-conservative
13982 test for threading across backedges.
13984 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13985 control statement, handle all three special cases in the same
13986 manner as they all have the same desired solution. No longer
13987 special case edge flag updating when the post dominator is
13990 2006-02-08 Roger Sayle <roger@eyesopen.com>
13992 * tree.def (CHAR_TYPE): Remove.
13993 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13994 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13995 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13996 (gen_string_type_die): Delete unreachable function.
13998 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13999 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
14000 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
14001 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
14002 * builtins.c (type_to_class): Likewise.
14003 * fold-const.c (fold_convert, build_range_check,
14004 merge_ranges): Likewise.
14005 * expr.c (count_type_elements): Likewise.
14006 * c-pretty-print.c (pp_c_type_specifier): Likewise.
14007 * stor-layout.c (layout_type): Likewise.
14008 * ipa-type-escape.c (type_to_consider): Likewise.
14009 * gimplify.c (omp_firstprivatize_type_sizes,
14010 gimplify_type_sizes): Likewise.
14011 * explow.c (promote_mode): Likewise.
14012 * tree-sra.c (is_sra_scalar_type): Likewise.
14013 * varasm.c (output_constant): Likewise.
14014 * tree-inline.c (remap_type_1): Likewise.
14015 * convert.c (convert_to_pointer, convert_to_real,
14016 convert_to_integer, convert_to_complex): Likewise.
14018 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
14020 * df-scan.c (df_def_record_1): A set destination may
14021 be a parallel regardless of mode.
14023 2006-02-08 Roger Sayle <roger@eyesopen.com>
14026 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
14027 * config/mips/_tilib.c: Remove.
14028 * config/fixtfdi.c: New libgcc source file.
14029 * config/fixunstfdi.c: New source file.
14030 * config/floatditf.c: New source file.
14031 * config/floatunditf.c: New souce file.
14032 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
14033 files above instead of config/mips/_tilib.c.
14034 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
14036 2006-02-08 Jeff Law <law@redhat.com>
14038 PR tree-optimization/26169
14039 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
14042 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
14044 * df.h (DF_REG_SIZE): Return the length of the initialized
14047 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
14049 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
14050 __muldf3): Return a correctly signed zero.
14052 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
14054 * passes.c (register_one_dump_file): Accept the current properties
14055 instead of pass number. Adjust call to dump_register. Remove
14057 (register_dump_files): Now a wrapper around...
14058 (register_dump_files_1): ... this one. Do not modify the pass
14060 (next_pass_1): Cosmetic fix.
14061 (execute_todo): Keep second parameter only. Use curr_properties
14062 instead of fetching it from the pass structure. Check and set
14064 (execute_one_pass): Handle TODO_set_props. Use curr_properties
14065 instead of fetching it from the pass structure. Fix calls to
14066 execute_todo. Update curr_properties and initialize .vcg RTL dump
14067 after running the pass. Reset last_verified.
14068 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
14070 (FIRST_AUTO_NUMBERED_DUMP): New.
14071 (dump_register): Remove "num" parameter, assign it within the
14073 (get_dump_file_name): Modify template for dumps.
14074 * tree-dump.h (dump_register): Adjust prototype.
14075 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
14076 (PROP_trees): Add PROP_gimple_lomp.
14077 (TODO_set_props): New.
14078 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
14079 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
14080 * cfgexpand.c (pass_expand): Destroy PROP_trees.
14082 2006-02-08 Jakub Jelinek <jakub@redhat.com>
14084 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
14085 (sparc64-*-linux*): Likewise.
14086 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
14087 * config/sparc/t-linux: New file.
14088 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
14089 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
14090 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
14091 -m32 -mlong-double-128.
14093 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
14094 * config/alpha/t-linux: New file.
14095 * config/alpha/libgcc-alpha-ldbl.ver: New file.
14097 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
14098 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
14099 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
14100 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
14101 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
14102 (CPP_ARCH32_SPEC): Remove.
14104 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
14106 PR tree-optimization/26145
14107 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
14110 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14113 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
14114 >= 240000 when generating code for SOM runtime.
14115 (output_indirect_call): Don't use "b,l" instruction for indirect calls
14116 to $$dyncall when generating code for SOM runtime..
14118 2006-02-07 Dirk Mueller <dmueller@suse.com>
14121 * doc/invoke.texi (-Wsequence-point): Update documentation
14122 that -Wsequence-point is implemented for C++ as well.
14124 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14126 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
14127 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
14128 (LIB_SPEC): Likewise.
14129 * doc/invoke.texi (SPARC options): Document -pthread.
14131 2006-02-07 Geoffrey Keating <geoffk@apple.com>
14133 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
14136 2006-02-07 Roger Sayle <roger@eyesopen.com>
14138 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
14139 Correct comment describing BOOLEAN_TYPE.
14141 2006-02-07 Dirk Mueller <dmueller@suse.com>
14143 * c.opt: C++ frontend supports -Wdiv-by-zero.
14144 * c-opts.c (c_common_handle_option): Remove dead case.
14146 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14148 * configure.ac (TLS assembler check): Do not enable TLS by
14149 default on SPARC/Solaris before version 10.
14150 * configure: Regenerate.
14152 2006-02-07 David Edelsohn <edelsohn@gnu.org>
14154 * doc/invoke.texi (xl-compat): Document conversion and support
14157 2006-02-07 Jeff Law <law@redhat.com>
14159 * tree-vrp.c (find_conditional_asserts): Update comments.
14160 (simplify_stmt_for_jump_threading): New.
14161 (identify_jump_threads, finalize_jump_threads): New.
14162 (vrp_finalize): Call identify_jump_threads.
14163 (execute_vrp): Call finalize_jump_threads.
14164 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
14165 (vrp_element, vrp_data, vrp_element_p): Remove.
14166 (vrp_hash_elt, vrp_variables_stack): Remove.
14167 (vrp_hash, vrp_eq, record_range): Remove.
14168 (simplify_cond_and_lookup_avail_expr): Remove.
14169 (extract_range_from_cond): Remove.
14170 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
14171 (simplify_stmt_for_jump_threading): New.
14172 (dom_thread_across_edge): New wrapper.
14173 (tree_ssa_dominator_optimize): No longer initialize or
14174 finalize any of the VRP datastructures. Remove iteration
14175 step and simplify as a result of removal of iteration step.
14176 (pass_dominator): Perform a cfg cleanup after DOM.
14177 (dom_opt_finalize_block): Use the new common routines
14178 for threading jumps. Simplify stack management slightly.
14179 No longer need to unwind VRP state.
14180 (record_equivalences_from_incoming_edge): No longer record
14182 (eliminate_redundant_computations): No longer call
14183 simplify_cond_and_lookup_avail_expr.
14184 * tree-flow.h (potentially_threadable_block): Prototype.
14185 (thread_across_edge): Likewise.
14186 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
14187 (tree-ssa-threadedge.o): Add dependencies.
14188 * tree-ssa-threadedge.c: New file.
14189 * passes.c (init_optimization_passes): Merge PHIs before
14190 calling VRP. Run VRP again late in the SSA optimization pipeline.
14192 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14194 * df-core.c (df_set_blocks): Do not dereference function pointers.
14195 (df_finish1): Likewise.
14196 (df_hybrid_search_forward): Likewise.
14197 (df_hybrid_search_backward): Likewise.
14198 (df_iterative_dataflow): Likewise.
14199 (df_analyze_problem): Likewise.
14200 (df_compact_blocks): Likewise.
14201 (df_dump): Likewise.
14202 * df-scan.c (df_rescan_blocks): Likewise.
14203 (df_record_entry_block_defs): Likewise.
14205 * genconditions.c (write_conditions): Guard the definition of
14206 'insn_conditions' with the check on GCC version.
14207 (write_writer): Guard the traversal 'insn_conditions' with
14208 the check on GCC version.
14210 2006-02-07 Richard Guenther <rguenther@suse.de>
14214 2006-01-30 Richard Guenther <rguenther@suse.de>
14216 * gimplify.c (gimplify_target_expr): Handle easy cases
14217 without creating a temporary.
14219 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
14221 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
14222 use of float in probability computations. Use edge probabilities
14223 in place of statically computed probabilities.
14224 (min_spec_prob): New static variable.
14225 (schedule_insns): Initialize it.
14226 (GET_SRC_PROB): Removed.
14227 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
14229 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
14232 * config/ia64/unwind-ia64.c: Revert last change.
14233 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
14234 (INCOMING_FRAME_SP_OFFSET): Define.
14236 2006-02-06 Roger Sayle <roger@eyesopen.com>
14238 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
14240 2006-02-07 Ben Elliston <bje@au.ibm.com>
14242 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
14243 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
14244 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
14245 (ix86_return_in_memory): Handle TDmode.
14246 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
14247 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
14249 2006-02-06 Richard Sandiford <richard@codesourcery.com>
14251 * reorg.c (dbr_schedule): Use dump_file instead of file.
14253 2006-02-06 Steve Ellcey <sje@cup.hp.com>
14256 * config/ia64/predicates.md (extr_len_operand): New predicate.
14257 * config/ia64/ia64.md (extv): Tighten constraints.
14259 (*tbit_and_2): Ditto.
14260 (*tbit_and_3): Ditto.
14261 (*tbit_or_2): Ditto.
14262 (*tbit_or_3): Ditto.
14263 (*bit_zero): Ditto.
14266 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
14269 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
14271 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14273 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
14274 loop_optimizer_init and loop_optimizer_finalize
14275 * tree-ssa-sink.c (execute_sink_code): Ditto.
14276 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14277 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
14278 tree_ssa_loop_done): Ditto.
14279 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
14280 * sched-ebb.c: Include output.h.
14281 (schedule_ebbs): Do not use dump argument.
14282 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
14283 * loop.c (loop_dump_stream): Removed.
14284 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
14286 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
14287 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
14288 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
14289 loop_iterations, strength_reduce, record_biv, record_giv,
14290 final_giv_value, check_final_value, check_ext_dependent_givs,
14291 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
14292 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
14293 dump_file instead of loop_dump_stream.
14294 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
14295 argument dump_file.
14296 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
14298 * flow.c (life_analysis, rest_of_handle_life): Ditto.
14299 * haifa-sched.c: Include output.h
14300 (schedule_insns, sched_init): Do not use dump argument.
14301 * mode-switching.c (optimize_mode_switching): Ditto.
14302 * modulo-sched.c (stats_file): Removed.
14303 (print_node_sched_params): Do not call argument dump_file.
14304 (sms_schedule_by_order, loop_canon_p, sms_schedule,
14305 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
14307 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
14309 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
14310 rtl_loop_init, rtl_loop_done): Ditto.
14311 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
14312 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
14314 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
14315 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
14316 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
14317 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
14318 * emit-rtl.c (renumber_insns): Ditto.
14319 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
14320 expand_gimple_basic_block, tree_expand_cfg): Ditto.
14321 * regclass.c (regclass): Ditto.
14322 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
14323 remove_ssa_form, rewrite_out_of_ssa): Ditto.
14324 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
14325 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
14327 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
14328 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
14330 * gcse.c (gcse_file, debug_stderr): Removed.
14331 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
14332 rest_of_handle_gcse): Do not use dump argument.
14333 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
14334 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
14335 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
14336 compute_code_hoist_vbeinout, compute_code_hoist_data,
14337 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
14338 compute_store_table, build_store_vectors, insert_insn_start_bb,
14339 insert_store, remove_reachable_equiv_notes, replace_store_insn,
14340 store_motion): Use dump_file instead of gcse_file.
14341 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
14342 * profile.c (profile_dump_file): Removed.
14343 (branch_prob): Use dump_file instead of profile_dump_file.
14344 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
14346 * tree-ssa-copy.c (dump_copy_of): Ditto.
14347 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
14348 dump file to life_analysis.
14349 * bt-load.c (branch_target_load_optimize): Ditto.
14350 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
14352 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
14353 regclass, dbr_schedule): Declaration changed.
14354 * sched-int.h (sched_init): Declaration changed.
14355 * tree-profile.c (tree_profile_dump_file): Removed.
14356 (tree_profile_hooks): Removed profile_dump_file hook.
14357 * rtl-profile (rtl_profile_dump_file): Removed.
14358 (rtl_profile_hooks): emoved profile_dump_file hook.
14359 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
14361 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
14362 * tree-cfg.c (build_tree_cfg): Ditto.
14363 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
14364 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
14365 Declaration changed.
14366 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
14367 life_analysis and schedule_insns.
14368 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
14370 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
14372 * config/mips/mips.c (mips_reorg): Ditto.
14373 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
14376 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
14378 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14379 (s390_mangle_fundamental_type): New.
14380 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14383 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14384 (alpha_mangle_fundamental_type): New.
14385 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14388 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14390 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14392 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14393 (sparc_mangle_fundamental_type): New.
14395 2006-02-06 Jakub Jelinek <jakub@redhat.com>
14397 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
14398 (s390x-*-linux*): Likewise.
14399 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
14400 * config/s390/t-linux: New file.
14402 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14404 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
14405 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
14407 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
14409 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
14410 (ANTIC_SAFE_LOADS): New macro.
14411 (find_or_generate_expression): Add prototype.
14412 (set_contains_value): Allow null set for sake of not always having
14413 to allocate ANTIC_SAFE_LOADS.
14414 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
14415 Allow COMPONENT_REF too.
14416 (valid_in_set): Allow COMPONENT_REF.
14417 Check ANTIC_SAFE_LOADS too.
14418 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
14419 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
14421 (can_PRE_operation): Add COMPONENT_REF.
14422 (create_component_ref_by_pieces): New function.
14423 (create_expression_by_pieces): Use create_component_ref_by_pieces.
14424 (insert_aux): Move AGGREGATE_TYPE_P check here.
14425 (compute_avail): Set bb local stmt uids.
14426 (pass_pre): Use TODO_update_ssa_only_virtuals.
14428 2006-02-06 Ben Elliston <bje@au.ibm.com>
14430 * configure.ac: Unconditionally disable decimal float by default.
14431 * configure: Regenerate.
14433 2006-02-06 Ben Elliston <bje@au.ibm.com>
14435 * read-rtl.c (read_name): Terminate reading on EOF.
14437 2006-02-06 Ben Elliston <bje@au.ibm.com>
14439 * dfp.c (decimal_real_arithmetic): Change second argument type
14440 from int to enum tree_code. Do not always return true, but now
14441 return result of any call to decimal_do helper functions.
14442 * dfp.h (decimal_real_arithmetic): Update prototype.
14444 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14446 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
14448 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
14451 * tree-cfg.c (cleanup_dead_labels): Also don't remove
14454 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14456 * tree-vrp.c (cfg_loops): Removed.
14457 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
14458 Use current_loops instead of cfg_loops. Pass flags to
14459 loop_optimizer_init.
14460 * cfgloopmanip.c (fix_loop_structure): Update only available
14462 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
14463 loop_optimizer_init.
14464 * modulo-sched.c (build_loops_structure): Removed.
14465 (sms_schedule): Use loop_optimizer_init.
14466 * loop-init.c (loop_optimizer_init): Use flags to determine
14467 which properties of loops to prepare.
14468 (rtl_loop_init): Pass flags to loop_optimizer_init.
14469 * tree-ssa-sink.c (execute_sink_code): Ditto.
14470 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14471 * tree-ssa-pre.c (init_pre): Ditto.
14472 * cfgloop.h (LOOPS_NORMAL): New.
14473 (loop_optimizer_init): Declaration changed.
14475 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14477 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
14478 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
14480 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
14482 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
14484 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
14485 * pa/t-pa64: Delete quadlib.c rule.
14486 * pa/x-ada: Revert last change.
14487 * pa/t-pa: Revert last change. Delete quadlib.c rule.
14489 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14491 PR rtl-optimization/26087
14492 * rtlanal.c (canonicalize_condition): Do not cross basic block
14495 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
14498 * config/ia64/ia64.c: Include debug.h.
14499 (MAX_ARTIFICIAL_LABEL_BYTES): New.
14500 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
14501 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
14502 (process_epilogue, process_set, process_for_unwind_directive):
14503 Output unwind info only if requested. Add CFA info if requested.
14504 Add new arguments as needed. Adjust callers.
14505 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
14507 (DWARF2_FRAME_INFO): Define to zero.
14508 * config/ia64/unwind-ia64.c: Remove code that compensated for
14509 the CFA offset error fixed above.
14510 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
14511 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
14512 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
14513 -funwind-tables and -fexceptions to enable frame info.
14514 (dwarf2out_frame_init): Define initial CFA even if
14515 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
14516 DWARF2_UNWIND_INFO is nonzero, not just defined.
14517 (dwarf2out_frame_finish): Output non-EH call frame info only
14518 if DWARF2_FRAME_INFO is nonzero.
14519 (convert_cfa_to_loc_list,
14520 compute_frame_pointer_to_cfa_displacement): Define even if
14521 unwind info is not supported.
14522 (gen_subprogram_die): Use the above unconditionally. Remove
14523 legacy alternate code.
14524 * toplev.c (compile_file): Compile in call to
14525 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
14526 (lang_dependent_init): Ditto for dwarf2out_frame_init.
14528 2006-02-04 David Edelsohn <edelsohn@gnu.org>
14529 Jakub Jelinek <jakub@redhat.com>
14531 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
14532 IBM extended float format long double as "g" on powerpc*-linux.
14534 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14537 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
14538 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
14540 2006-02-03 Jason Merrill <jason@redhat.com>
14543 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
14545 PR middle-end/25977
14546 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
14547 on the return slot if it's an NRV.
14549 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
14551 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
14552 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
14553 rewrite_use): Do not handle USE_OUTER.
14554 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
14555 add_iv_outer_candidates, may_replace_final_value,
14556 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
14557 (find_interesting_uses_op): Functionality of
14558 find_interesting_uses_outer_or_nonlin moved here.
14559 (find_interesting_uses_outside): Use find_interesting_uses_op.
14561 2006-02-03 Alan Modra <amodra@bigpond.net.au>
14564 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
14566 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
14567 Ulrich Weigand <uweigand@de.ibm.com>
14570 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
14571 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
14572 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
14573 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
14575 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
14576 (s390_rtx_costs): Use the new fields to calculate rtx costs.
14577 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
14578 Define secondary reloads for TFmode moves.
14579 (constant_modes): Add TFmode.
14580 (NR_C_MODES): Set to 8.
14581 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
14583 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
14584 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
14585 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
14586 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
14587 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
14588 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
14589 (FPR mode macro): Add TFmode.
14590 (DSF mode macro): New.
14591 (<de>, <dee> mode attributes): Removed.
14592 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
14593 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
14594 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
14595 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
14596 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
14597 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
14598 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
14599 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
14600 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
14601 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
14602 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
14603 "*negabs<mode>2", "sqrt<mode>2"):
14604 Changed <de> to <xde>. R constraint replaced by <Rf>.
14605 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
14607 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
14608 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
14609 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
14611 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
14612 "extenddftf2", "extendsftf2"): New expanders.
14613 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
14614 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
14615 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
14616 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
14618 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
14619 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
14620 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
14621 __floatditf): Add a GCC_4.1.0 symbol version tag.
14622 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
14625 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
14628 * config/i386/i386.c (ix86_function_ok_for_sibcall):
14629 Use targetm.binds_local_p instead of TREE_PUBLIC.
14631 2006-02-02 Roger Sayle <roger@eyesopen.com>
14633 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
14634 on INTEGER_TYPEs to indicate that it denotes a character type.
14635 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
14636 signed_char_type_node, unsigned_char_type_node and char_type_node.
14637 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
14638 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
14639 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
14641 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
14642 Daniel Berlin <dberlin@dberlin.org>
14644 * tree-tailcall.c (arg_needs_copy_p): New function.
14645 (eliminate_tail_call): Use arg_needs_copy_p.
14646 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
14647 (add_virtual_phis): New function.
14649 2006-02-02 Jakub Jelinek <jakub@redhat.com>
14651 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
14652 #ignore instead of #scratch for %g7 .register directive.
14654 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
14656 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
14659 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14661 * flow.c (calculate_global_regs_live): Assert that there aren't any
14664 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
14666 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
14667 what its name says.
14668 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
14669 bsi_after_labels iterator.
14670 * tree-if-conv.c (find_phi_replacement_condition,
14671 replace_phi_with_cond_modify_expr): Likewise.
14672 * tree-scalar-evolution.c (scev_const_prop): Likewise.
14673 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
14675 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14677 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
14679 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14682 * tree-cfg.c (move_block_to_fn): Clear out the basic block
14683 array after growing it.
14685 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14687 PR middle-end/24901
14688 * fold-const.c (fold_checksum_tree): Change type of buf.
14690 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
14692 * reload.c (push_secondary_reload): Initialize t_icode.
14694 2006-02-01 Jakub Jelinek <jakub@redhat.com>
14696 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
14697 -msoft-float -mlong-double-128 only issue a warning, but don't
14698 swich to DFmode long double.
14700 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
14702 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
14703 has a constant equivalent, iterate over equivalents for arg0,
14704 calling simplify_relational_operation and if there's a result
14705 cheaper than X, apply fold_rtx and return the result.
14707 2006-02-01 Jan Hubicka <jh@suse.cz>
14709 * opts.c (no_unit_at_a_time_default): New global variable.
14710 (decode_options): Use it.
14711 * opts.h (no_unit_at_a_time_default): Declare.
14713 2006-02-01 Paul Brook <paul@codesourcery.com>
14715 * function.c (assign_parm_setup_reg): Use function argument promotion
14717 * expr.c (expand_expr_real_1): Use function argument promotion rules
14720 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14722 * gcc.c (process_command): Change j to 'unsigned int'.
14724 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14726 PR middle-end/26001
14727 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
14728 Use the corrected index for the character
14729 out of the string constant.
14731 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14733 * mode-switching.c (optimize_mode_switching): Fix size
14734 allocated for bb_info[n_entities].
14736 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14738 * gcc.c (main): Correct type that is allocated for
14739 explicit_link_files.
14741 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14743 * config/s390/s390.c (init_alignment_context): Set
14744 ALIAS_SET_MEMORY_BARRIER on the MEM.
14745 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14747 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
14749 PR middle-end/25933
14750 * loop-unroll.c (unroll_loop_runtime_iterations): Free
14752 * tree-ssa-live.c (type_var_init): Allocate bitmap after
14755 2006-01-31 Marcin Dalecki <martin@dalecki.de>
14757 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14758 * regrename.c: Ditto.
14759 * tree-ssa-loop-im.c: Ditto.
14760 * tree-dump.c: Ditto.
14761 * tree-complex.c: Ditto.
14762 * genrecog.c: Ditto.
14763 * tree-ssa-threadupdate.c: Ditto.
14765 * java/class.c: Ditto.
14766 * java/jcf-parse.c: Ditto.
14767 * java/resource.c: Ditto.
14768 * java/except.c: Ditto.
14769 * java/jvspec.c: Ditto.
14770 * java/jcf-write.c: Ditto.
14771 * java/jcf-path.c: Ditto.
14772 * java/gjavah.c: Ditto.
14773 * java/zextract.c: Ditto.
14774 * java/jcf-io.c: Ditto.
14775 * java/jcf.h: Ditto.
14776 * java/buffer.c: Ditto.
14777 * java/lang.c: Ditto.
14778 * java/parse-scan.y: Ditto.
14779 * java/lex.c: Ditto.
14780 * java/lex.h: Ditto.
14781 * cfgloopmanip.c: Ditto.
14782 * postreload-gcse.c: Ditto.
14783 * tree-ssa-loop-manip.c: Ditto.
14784 * postreload.c: Ditto.
14785 * tree-ssa-loop-ch.c: Ditto.
14788 * cppspec.c: Ditto.
14789 * diagnostic.c: Ditto.
14791 * genoutput.c: Ditto.
14793 * cfghooks.c: Ditto.
14794 * cfgloopanal.c: Ditto.
14795 * objc/objc-act.c: Ditto.
14797 * genextract.c: Ditto.
14798 * genautomata.c: Ditto.
14799 * pretty-print.c: Ditto.
14800 * genemit.c: Ditto.
14801 * cgraphunit.c: Ditto.
14803 * df-scan.c: Ditto.
14804 * haifa-sched.c: Ditto.
14805 * dominance.c: Ditto.
14807 * tree-ssa-loop-ivopts.c: Ditto.
14808 * df-core.c: Ditto.
14809 * mode-switching.c: Ditto.
14810 * modulo-sched.c: Ditto.
14812 * ipa-pure-const.c: Ditto.
14814 * fix-header.c: Ditto.
14816 * tree-stdarg.c: Ditto.
14817 * ipa-utils.c: Ditto.
14818 * loop-init.c: Ditto.
14819 * ipa-inline.c: Ditto.
14820 * cfganal.c: Ditto.
14822 * alloc-pool.c: Ditto.
14823 * dwarf2out.c: Ditto.
14825 * genattrtab.c: Ditto.
14826 * tree-ssa-loop-ivcanon.c: Ditto.
14827 * predict.c: Ditto.
14828 * timevar.c: Ditto.
14830 * fortran/gfortranspec.c: Ditto.
14831 * regmove.c: Ditto.
14832 * local-alloc.c: Ditto.
14833 * langhooks.c: Ditto.
14834 * function.c: Ditto.
14835 * tree-vectorizer.c: Ditto.
14837 * ipa-type-escape.c: Ditto.
14839 * tree-if-conv.c: Ditto.
14840 * profile.c: Ditto.
14842 * tree-data-ref.c: Ditto.
14843 * loop-unroll.c: Ditto.
14844 * treelang/treetree.c: Ditto.
14846 * bt-load.c: Ditto.
14847 * ggc-common.c: Ditto.
14849 * coverage.c: Ditto.
14851 * tree-cfgcleanup.c: Ditto.
14852 * tree-ssa-pre.c: Ditto.
14853 * cfgcleanup.c: Ditto.
14854 * loop-invariant.c: Ditto.
14855 * loop-iv.c: Ditto.
14856 * ipa-prop.c: Ditto.
14857 * print-tree.c: Ditto.
14858 * conflict.c: Ditto.
14859 * ggc-page.c: Ditto.
14860 * sched-deps.c: Ditto.
14861 * regclass.c: Ditto.
14862 * tree-object-size.c: Ditto.
14863 * combine.c: Ditto.
14864 * bb-reorder.c: Ditto.
14865 * resource.c: Ditto.
14866 * var-tracking.c: Ditto.
14867 * cfgloop.c: Ditto.
14868 * df-problems.c: Ditto.
14869 * reg-stack.c: Ditto.
14871 * gccspec.c: Ditto.
14872 * sched-rgn.c: Ditto.
14873 * tree-ssa-structalias.c: Ditto.
14874 * tree-ssa-reassoc.c: Ditto.
14875 * config/darwin-c.c: Ditto.
14876 * config/darwin.c: Ditto.
14877 * config/arm/arm.c: Ditto.
14879 * collect2.c: Ditto.
14880 * reload1.c: Ditto.
14882 2006-01-31 Nicolas Pitre <nico@cam.org>
14884 * arm.md (smaxsi3): Make aware of smax_m1.
14887 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
14889 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
14891 2006-01-31 Richard Guenther <rguenther@suse.de>
14893 * doc/invoke.texi (-msselibm): Document.
14894 * target.h (expand_library_builtin): New target hook.
14895 * builtins.c (expand_builtin): Use expand_library_builtin.
14896 (default_expand_library_builtin): New function.
14897 * gcc.c (LINK_GCC_MATH_SPEC): Define.
14898 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
14899 (link_gcc_math_spec): Declare.
14900 (static_specs): Add link_gcc_math_spec.
14901 * expr.h (default_expand_library_builtin): Declare.
14902 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14903 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
14904 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
14905 * config/i386/i386.opt (msselibm): New target option.
14906 * config/i386/i386.c (ix86_builtin_function_variants): New array.
14907 (ix86_init_sse_abi_builtins): New function.
14908 (ix86_expand_library_builtin): Likewise.
14909 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
14910 (override_options): Handle error conditions wrt -msselibm.
14911 (ix86_builtins): Add function codes for SSE2 ABI builtins.
14912 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
14913 * doc/extend.texi (__builtin_sse2_*): Document new target specific
14916 2006-01-31 Richard Guenther <rguenther@suse.de>
14917 Paolo Bonzini <bonzini@gnu.org>
14919 * doc/install.texi (--disable-libgcc-math): Document.
14921 2006-01-30 Marcin Dalecki <martin@dalecki.de>
14923 * expr.h (expand_normal): new inline function.
14924 * builtins.c: use it, use EXPAND_NORMAL explicitely.
14925 * dojump.c: use it.
14926 * dwarf2out.c: use it.
14929 * expmed.c: use it.
14930 * except.c: use it.
14931 * config/sparc/sparc.c: use it.
14932 * config/i386/i386.c: use it.
14933 * config/rs6000/rs6000.c: use it.
14934 * config/arm/arm.c: use it.
14935 * config/mips/mips.c: use it.
14936 * stmt.c: use it, use EXPAND_NORMAL explicitely.
14938 2006-01-30 Roger Sayle <roger@eyesopen.com>
14940 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
14941 argv to the appropriate type.
14943 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
14945 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
14948 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
14951 * config/s390/s390.c (struct machine_function): New flag
14952 decomposed_literal_pool_addresses_ok_p.
14953 (s390_reorg): Set it before final stage of literal pool transforms.
14954 (s390_decompose_address): Only accept displacements of the form
14955 (minus (label_ref ...) (label_ref ...)) if that flag is set.
14957 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
14959 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
14960 the comparison routine return.
14962 2006-01-30 Michael Matz <matz@suse.de>
14964 * global.c (find_reg): Only evict for global regs.
14965 Take n_refs into account and dump more info.
14967 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
14970 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
14971 (pragma_trap, pragma_nosave_low_regs): Likewise.
14972 (current_function_anonymous_args): Likewise.
14973 (sh_deferred_function_attributes): New variable.
14974 (sh_deferred_function_attributes_tail): Likewise.
14975 (print_operand): For '@', look up trap_exit attribute.
14976 (calc_live_regs): Look up trapa_handler attribute. For trapa
14977 handlers, save/restore fpscr, but don't do any other
14978 interrupt-specific saves.
14979 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14980 Fix check for partially saved registers to check for SHmedia.
14981 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14982 (sh_output_function_epilogue): Don't clear any of the removed
14984 (sh_insert_attributes): Don't check pragma_interrupt.
14985 Insert deferred attributes. Check that interrupt attribute is
14986 present for other attributes that require its presence.
14987 (sh_attribute_table): Add new attributes trapa_handler and
14989 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14990 Don't check for pragma_interrupt. Don't store argument.
14991 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14992 (sh_deferred_function_attributes): Declare.
14993 (sh_deferred_function_attributes_tail): Likewise.
14994 * sh.md (sp_switch_1): Add operand. Change generator caller.
14995 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14996 (*return_i): Don't use when trap_exit attribute is in effect.
14997 (*return_trapa): New insn pattern.
14998 * sh-c.c: New file.
14999 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
15000 setting c_target_objs and cxx_target_objs.
15001 * t-sh: Add rule for sh-c.o.
15003 2006-01-30 Richard Guenther <rguenther@suse.de>
15006 * gimplify.c (gimplify_target_expr): Handle easy cases
15007 without creating a temporary.
15009 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
15011 * vec.h (safe_grow): Remove duplicated line.
15013 2006-01-29 Diego Novillo <dnovillo@redhat.com>
15016 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
15017 (expand_omp): ... here.
15018 (expand_omp_parallel): Only remove barriers for combined
15019 parallel+workshare constructs.
15021 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
15025 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
15026 * tree.c (build_qualified_type): Chain the new type to the original
15027 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
15028 a POINTER_TYPE or a REFERENCE_TYPE respectively.
15029 (build_pointer_type_for_mode): Only return unqualified types.
15030 (build_reference_type_for_mode): Likewise.
15032 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
15034 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
15035 * Makefile.in (CXX_COMPAT_WARN): Define.
15036 * configure: Regenerate.
15038 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
15041 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
15044 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15046 * toplev.c: Fix thinko.
15048 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15049 Marcin Dalecki <martin@dalecki.de>
15051 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
15052 (push_srcloc): Use XNEW.
15053 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
15055 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
15057 * df-core.c (df_set_blocks): Deleted all variable.
15059 2006-01-28 Ian Lance Taylor <ian@airs.com>
15061 * cgraphunit.c (cgraph_assemble_pending_functions): Call
15062 cgraph_output_pending_asms.
15064 2006-01-28 Zack Weinberg <zackw@panix.com>
15066 * c.opt: Add -W(no-)overlength-strings.
15067 * doc/invoke.texi: Document it.
15068 * c-opts.c (c_common_handle_option): -pedantic implies
15069 -Woverlength-strings, if not explicitly disabled already.
15070 (c_common_post_options): -Woverlength-strings defaults to off, and
15071 is always off for C++.
15072 * c-common.c (fix_string_type): Issue warning about strings longer
15073 than is portable only if warn_overlength_strings. Rearrange code
15074 a little for clarity.
15075 * configure.in: Check for -Wno-overlength-strings as well before
15076 enabling -pedantic in stage 1.
15077 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
15078 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
15080 * genconditions.c (write_header, write_one_condition)
15081 (write_conditions, write_writer): Consolidate very long strings
15082 that were broken up to fit in C89 portable limit. Don't use
15083 printf when fputs will do.
15085 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
15087 * combine.c (simplify_comparison <AND>): Check
15088 TRULY_NOOP_TRUNCATION before start using a subreg.
15090 * config/mips/mips.md (*branch_zero<mode>,
15091 *branch_zero<mode>_inverted, *branch_equality<mode>,
15092 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
15093 Remove mode check from comparisons.
15095 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
15097 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
15099 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15101 * expmed.c (const_mult_add_overflow_p): Remove.
15102 * expr.h: Remove the prototype for const_mult_add_overflow_p.
15104 * recog.c (validate_replace_rtx_subexp): Remove.
15105 * recog.h: Remove the prototype for
15106 validate_replace_rtx_subexp.
15108 * integrate.h: Remove the prototype for
15109 copy_decl_for_inlining.
15110 * rtl.h: Remove the prototype for mark_constant_function.
15111 * tree-vectorizer.h: Remove the prototype for
15112 vect_strip_conversion.
15114 * modulo-sched.c (create_partial_schedule,
15115 free_partial_schedule, reset_partial_schedule): Make them
15118 * hooks.c (hook_bool_rtx_int_false): Remove.
15119 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
15121 2006-01-28 David Edelsohn <edelsohn@gnu.org>
15123 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15124 and -mlong-double-128 are incompatible.
15125 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
15126 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
15127 (TARGET_LIBGCC2_CFLAGS): Define.
15128 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
15129 (TARGET_LIBGCC2_CFLAGS): Same.
15130 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
15132 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15135 * c-typeck.c (build_binary_op): Perform implicit casts of
15136 operands before shortening them.
15138 * cfgloopmanip.c (split_loop_bb): Remove.
15139 * cfgloop.h: Remove the prototype for split_loop_bb.
15141 * cfgloop.c (flow_loop_outside_edge_p): Remove.
15142 * cfgloop.h: Remove the prototype for
15143 flow_loop_outside_edge_p.
15145 * emit-rtl.c (init_virtual_regs): Make it static.
15146 * function.h: Remove the prototype for init_virtual_regs.
15148 * recog.c (peephole2_optimize): Make it static.
15149 * recog.h: Remove the prototype for peephole2_optimize.
15151 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15153 * df-scan.c (df_record_entry_block_defs): Check if
15154 INCOMING_RETURN_ADDR_RTX is defined.
15156 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
15157 Kenneth Zadeck <zadeck@naturalbridge.com>
15159 PR rtl-optimization/24762
15160 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15161 * targhooks.c (hook_void_bitmap): New hook prototype.
15162 * targhoohs.h (hook_void_bitmap): Ditto.
15163 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
15164 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
15165 * target.h (live_on_entry): New function pointer.
15166 * df-scan.c (df_all_hard_regs): Removed.
15167 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
15168 (df_scan_free_internal): Added df->entry_block_defs.
15169 (df_scan_alloc): Ditto.
15170 (df_scan_dump): Ditto.
15171 (df_uses_record): Plumbed flag field properly thru calls.
15172 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
15173 This part fixes PR24762.
15174 (df_bb_refs_record): Added code to make the frame and arg
15175 pointers live in EH blocks.
15176 (df_refs_record): Added call to df_record_entry_block_defs.
15177 (df_record_entry_block_defs): New function.
15178 * df-core.c: Added comments to describe new artifical defs.
15179 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
15180 (entry_block_defs): New field in struct df.
15181 (df_all_hard_regs): Deleted.
15182 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15183 * df-problems.c (df_ru_bb_local_compute_process_def):
15184 Added code to handle artifical defs in the entry to a function.
15185 (df_ru_bb_local_compute): Ditto.
15186 (df_rd_bb_local_compute_process_def): Ditto.
15187 (df_rd_bb_local_compute): Ditto.
15188 (df_lr_bb_local_compute): Ditto.
15189 (df_ur_bb_local_compute): Ditto.
15190 (df_urec_bb_local_compute): Ditto.
15191 (df_chain_create_bb): Ditto.
15192 (df_ur_local_finalize): Removed entry.
15193 (df_urec_init): Ditto.
15194 (df_urec_local_finalize): Ditto.
15195 (df_ri_bb_compute): Added detection of last use of pseudos.
15196 * Makefile.in (df-scan.o): Updated dependencies.
15197 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
15198 * config/mips/mips.c (mips_set_live_on_entry): Added.
15199 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
15201 * dce.c (marked_insn_p): Added code to handle artifical defs.
15203 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15205 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
15207 (_mm_cvtsi128_si64): Likewise.
15208 (_mm_cvtsd_si64): Likewise.
15209 (_mm_cvttsd_si64): Likewise.
15210 (_mm_cvtsi64_sd): Likewise.
15211 (_mm_cvtsi64_si128): Likewise.
15212 * config/i386/mmintrin.h (_m_from_int64): Likewise.
15213 (_mm_cvtsi64_m64): Likewise.
15214 (_m_to_int64): Likewise.
15215 (_mm_cvtm64_si64): Likewise.
15216 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
15217 (_mm_cvttss_si64): Likewise.
15218 (_mm_cvtsi64_ss): Likewise.
15219 (_mm_cvtss_f32): Likewise.
15221 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
15223 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
15224 for pragma redefine_extname.
15226 2006-01-27 Jakub Jelinek <jakub@redhat.com>
15229 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
15230 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
15231 -mno-minimal-toc to previous content.
15232 (bispecs): Remove goal.
15233 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
15234 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
15235 compatibility aliases on powerpc-*-*gnu*.
15236 * config/rs6000/libgcc-ppc-glibc.ver: New file.
15237 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
15238 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
15239 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
15240 (ldblspecs): New goal.
15241 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
15242 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
15244 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
15245 L_sf_to_tf or L_df_to_tf is defined.
15247 2006-01-27 David Edelsohn <edelsohn@gnu.org>
15248 Alan Modra <amodra@bigpond.net.au>
15251 * config/rs6000/linux.h (POWERPC_LINUX): Define.
15252 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
15253 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
15254 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
15255 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
15256 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
15257 (rs6000_override_options): Initialize rs6000_ieeequad.
15258 Initialize TFmode format to ibm_extended_format if not
15260 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
15262 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
15263 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
15264 (function_arg_advance): IBM long double passed in two FPRs, not
15266 (function_arg): IBM long double passed in FPRs.
15267 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
15268 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
15269 Only multireg GPR aligned.
15270 (rs6000_init_libfuncs): Enable IBM long double functions if not
15272 (rs6000_generate_compare): Use IBM long double compare if not
15274 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
15275 (TARGET_IEEEQUAD): Define.
15276 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
15277 not TARGET_IEEEQUAD.
15278 * config/rs6000/rs6000.md: Enable TFmode patterns if
15280 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
15281 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15282 and -mlong-double-128 are incompatible.
15283 * doc/invoke.texi (-mabi): Collect options together. Add
15284 ibmlongdouble and ieeelongdouble.
15286 2006-01-27 Richard Sandiford <richard@codesourcery.com>
15288 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
15290 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
15291 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
15292 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
15293 * rtl.h (rtunion_def): Remove rt_ptr.
15295 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
15296 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
15297 * config/i386/winnt.c (i386_pe_mark_dllexport)
15298 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
15300 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
15302 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
15304 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15308 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
15309 pthread_key_delete. From John David Anglin. gthrw-ify
15310 pthread_getunique_np only if it it's not a macro. Delete
15312 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
15313 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
15314 __gthread_objc_condition_signal, __gthread_key_delete): Add
15315 "__attribute__ ((__unused__))" to unused arguments.
15316 (__gthread_recursive_mutex_init_function): Add missing return.
15317 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
15318 gthr-posix95.h: Use macro-based approach for name redirection
15319 on targets missing weakref.
15321 2006-01-26 Zack Weinberg <zackw@panix.com>
15323 * genconditions.c (write_header): In generated code, #ifdef out
15324 all includes and fake declarations, except includes of bconfig.h
15325 and system.h, unless GCC_VERSION >= 3001. Do not include
15326 gensupport.h in any case.
15327 (write_conditions): Generate a definition of struct c_test. Add
15328 a comment to the generated #endif.
15329 (write_one_condition): Escape backslashes in string too.
15330 (write_writer): Generated code must escape backslashes and quote
15331 marks (but not newlines) in the strings it writes.
15332 * Makefile.in (build/gencondmd.o): Update dependencies.
15334 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15337 * Makefile.in (insn-automata.o): Add header file dependencies.
15338 * genautomata.c: Add includes.
15340 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15343 * Makefile.in (insn-automata.o): Add -Wno-error flag.
15345 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15347 * configure.ac: Expect target tools paths to be passed from the toplevel
15348 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
15350 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
15352 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15355 * c.opt (Wpointer-sign): Init to -1.
15356 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
15357 OPT_pedantic, to 0 otherwise.
15358 * doc/invoke.texi: Update.
15360 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15362 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
15363 constants provided by 80387 instructions in the destination mode.
15365 2006-01-26 Richard Guenther <rguenther@suse.de>
15366 Andrew Pinski <pinskia@physics.uc.edu>
15369 partial PR tree-opt/17064
15370 * tree-ssa-structalias.c (intra_create_variable_infos):
15371 Create heap variables for incoming parameters if
15372 flag_argument_noalias > 1.
15373 (find_what_p_points_to): Look through default defs of
15376 2006-01-26 Jeff Law <law@redhat.com>
15379 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
15380 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
15381 within the VR_RANGE, use the VR_RANGE as the result, not the
15383 (adjust_range_with_scev): Reject ranges from SCEV which are out of
15384 bounds for the type.
15386 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
15388 * tree-ssa-alias.c (maybe_create_global_var): Change
15389 subvar walking to an assertion that we don't have subvar'd variables.
15391 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
15394 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
15395 Use a new variable, inner. PARM_DECLs are always non-weak.
15397 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
15399 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
15400 --disable-checking.
15402 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
15404 * config/mips/mips.md (*clear_upper32): New combiner pattern.
15406 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
15408 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
15409 (smax_insn, smin_insn, smax_0, smin_0): New.
15411 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
15414 * config/cris/cris.c (cris_order_for_addsi3): New function.
15415 * config/cris/cris-protos.h: Prototype it.
15416 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
15417 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
15418 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
15419 (split for "op.S1 [rx=rx+i],ry (swapped)")
15420 (split for "op(s|u).S1 [rx=rx+i],ry")
15421 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
15422 Apply cris_order_for_addsi3 when generating addsi3 insns.
15424 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15426 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
15427 (TREE_BLOCK): Add call to EXPR_CHECK.
15429 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15432 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
15433 * tree-pretty-print.c (dump_omp_clause): Extract from ...
15434 (dump_omp_clauses): ... here.
15435 (dump_generic_node): Handle OMP_CLAUSE.
15436 * tree.c (omp_clause_num_ops): New.
15437 (omp_clause_code_name): New.
15438 (tree_code_size): Handle OMP_CLAUSE.
15439 (tree_size): Likewise.
15440 (make_node): Document handling of OMP_CLAUSE.
15441 (tree_node_structure): Handle OMP_CLAUSE.
15442 (omp_clause_check_failed): New.
15443 (omp_clause_range_check_failed): New.
15444 (omp_clause_operand_check_failed): New.
15445 (build_omp_clause): New.
15446 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
15447 * tree.h (enum omp_clause_code): Declare.
15448 (OMP_CLAUSE_SUBCODE_CHECK): Define.
15449 (OMP_CLAUSE_RANGE_CHECK): Define.
15450 (OMP_CLAUSE_ELT_CHECK): Define.
15451 (omp_clause_check_failed): Declare.
15452 (omp_clause_operand_check_failed): Declare.
15453 (omp_clause_range_check_failed): Declare.
15454 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
15455 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
15456 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
15457 (OMP_CLAUSE_LASTPRIVATE): Likewise.
15458 (OMP_CLAUSE_IF_EXPR): Likewise.
15459 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
15460 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
15461 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
15462 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
15463 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
15464 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
15465 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
15466 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
15467 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
15468 (OMP_CLAUSE_CODE): Define.
15469 (OMP_CLAUSE_SET_CODE): Define.
15470 (OMP_CLAUSE_CODE): Define.
15471 (OMP_CLAUSE_OPERAND): Define.
15472 (struct tree_omp_clause): Declare.
15473 (union tree_node): Add field 'omp_clause'.
15474 * treestruct.def (TS_OMP_CLAUSE): Define.
15475 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
15476 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
15477 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
15478 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
15479 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
15480 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
15481 (OMP_CLAUSE): Define.
15482 * print-tree.c (print_node): Handle OMP_CLAUSE.
15483 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
15484 * c-typeck.c: Likewise.
15485 * gimplify.c: Likewise.
15486 * c-omp.c: Likewise.
15487 * tree-nested.c: Likewise.
15488 * tree-inline.c: Likewise.
15489 * c-parser.c: Likewise.
15490 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
15493 2006-01-25 Roger Sayle <roger@eyesopen.com>
15495 PR rtl-optimization/25703
15496 * combine.c (try_combine): Handle zero_extract and strict_low_part
15497 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
15499 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
15501 * global.c: Fix comment typos.
15503 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
15506 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
15507 Use output_addr_const instead of assemble_name.
15509 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
15511 * Makefile.in (sched-vis.o): Update dependencies.
15512 * haifa-sched.c (sched_finish): Clear current_sched_info.
15513 * cfg.c (dump_bb_info): New, split from dump_flow_info.
15514 (dump_flow_info): Call it.
15515 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
15517 * basic-block.h (dump_bb_info): Declare.
15518 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
15519 option, and apply options only for dump files whose TDF_RTL,
15520 TDF_TREE, or TDF_IPA bits match.
15521 * rtl.h: Declare new functions exported from sched-vis.c.
15522 * sched-vis.c: Enable also if scheduling is not used.
15523 (print_value): Print the mode of registers if not inside scheduling.
15524 (print_insn): Make it work outside the scheduler. Beautify the output
15526 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
15528 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15530 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
15531 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
15532 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
15533 depending on the value of CONSTANT_POOL_ADDRESS_P.
15534 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
15536 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
15537 rather than SYMBOL_REF_DECL.
15538 (rtx_constant_pool): Remove const_rtx_sym_htab.
15539 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
15540 (init_varasm_status): Don't initialize const_rtx_sym_htab.
15541 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
15542 Remove handling of const_rtx_sym_htab.
15543 (find_pool_constant): Delete.
15544 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
15545 rather than find_pool_constant.
15546 (get_pool_constant_for_function): Delete.
15547 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
15548 find_pool_constant.
15549 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
15550 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
15551 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
15552 (SYMBOL_REF_CONSTANT): New macro.
15553 (get_pool_constant_for_function): Delete.
15554 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
15555 rather than SYMBOL_REF_DECL.
15556 (i386_pe_mark_dllimport): Likewise.
15557 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
15558 rather than SYMBOL_REF_DECL.
15559 * config/darwin.c (machopic_indirect_data_reference): Likewise.
15560 (machopic_indirect_call_target): Likewise.
15562 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
15564 * flow.c (delete_noop_moves): Add missing EOL to dump message.
15566 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15568 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
15570 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
15572 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
15574 2006-01-24 David Daney <ddaney@avtrex.com>
15577 * configure.ac (enable_tls): New enable option.
15578 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
15579 * configure: Regenerate.
15580 * doc/install.texi (--enable-tls): Document new option.
15581 (--disable-tls): Ditto.
15583 2006-01-24 Richard Henderson <rth@redehat.com>
15585 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
15586 * alias.c (true_dependence): Respect it.
15587 (canon_true_dependence, write_dependence_p): Likewise.
15588 * builtins.c (get_builtin_sync_mem): Set it.
15590 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
15592 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
15595 2006-01-24 DJ Delorie <dj@redhat.com>
15597 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
15598 for storing constants in single-bit bitfields.
15600 2006-01-25 Ben Elliston <bje@au.ibm.com>
15602 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
15604 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
15607 * tree-ssa-pre.c (phi_translate): Return NULL
15608 for AGGREGATE_TYPE's.
15610 2006-01-24 Zack Weinberg <zackw@panix.com>
15612 * genautomata.c (process_state_for_insn_equiv_partition):
15613 Use xcalloc for insn_arcs_array.
15614 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
15615 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
15617 2006-01-24 Richard Henderson <rth@redhat.com>
15619 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
15620 update all callers.
15622 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
15624 PR rtl-optimization/25890
15625 PR rtl-optimization/25905
15626 * combine.c (expand_compound_operation, expand_field_assignment):
15627 Fail if the bitfield's final position is out of bounds.
15629 2006-01-24 Ian Lance Taylor <ian@airs.com>
15631 PR middle-end/25930
15632 * cgraphunit.c (cgraph_output_in_order): Don't clear
15633 cgraph_asm_nodes until after asm strings have been output.
15635 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
15637 * fix-header.c (read_scan_file): Add new parameter imultilib when
15638 calling register_include_chains.
15640 2006-01-23 Diego Novillo <dnovillo@redhat.com>
15642 * omp-low.c: Update documentation.
15644 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15645 Daniel Berlin <dberlin@dberlin.org>
15649 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
15650 return from the function.
15652 2006-01-22 Zack Weinberg <zackw@panix.com>
15654 * rtl.def (match_code): Add second argument.
15655 * genpreds.c (write_extract_subexp): New function.
15656 (write_match_code): Add path argument. Use write_extract_subexp.
15657 (write_predicate_expr): Pass path to write_match_code.
15658 (mark_mode_tests): MATCH_CODE applied to a subexpression does
15659 not perform a mode test.
15660 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
15661 a subexpression does not constrain the top-level code set.
15662 * read-rtl.c (read_rtx_variadic): New function.
15663 (read_rtx_1): Use it; allow AND and IOR to be variadic.
15664 * doc/md.texi: Document new notation.
15665 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
15666 (cmpsi_operand): ... here, using new notation.
15668 2006-01-22 Zack Weinberg <zackw@panix.com>
15670 * varray.c: Remove GENERATOR_FILE #ifdefs.
15672 2006-01-22 Zack Weinberg <zackw@panix.com>
15674 * genautomata.c (output_reserved_units_table): Emit nothing if
15675 description->query_units_num is zero. Remove extra blank line.
15676 (output_cpu_unit_reservation_p): Short circuit
15677 if description->query_units_num is zero.
15679 2006-01-22 Zack Weinberg <zackw@panix.com>
15681 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
15682 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
15683 nor any of the random handful of variables that used to be necessary
15684 when this program was linked with rtlanal.o. Prune set of forward
15685 function declarations.
15686 (struct attr_desc): Remove static_p field.
15687 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
15688 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
15689 (attr_string): Do not read the character one past the length of
15691 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
15692 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
15693 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
15694 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
15695 (make_automaton_attrs): New.
15696 (main): Do not call into genautomata. Call local gen_bypass
15697 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
15698 Remove special case for insn_alts.
15699 * genautomata.c: Include gensupport.h; not genattrtab.h nor
15700 varray.h (leftover from previous change). Prune set of forward
15701 function declarations. Remove state_alts fields from all
15702 structures. Remove state_alts_table from struct automaton.
15703 Make everything except main static. Do not maintain num_dfa_decls.
15704 Do not maintain state_alts fields of various structures.
15705 (process_decls): Don't validate condexp for dm_insn_reserv decls.
15706 (add_arc): Remove state_alts argument. All callers updated.
15707 (output_reserved_units_table): Emit #ifdef here...
15708 (output_tables): ...not here. Don't generate state_alts tables.
15709 (expand_automata): Don't generate attributes.
15710 (write_automata): Don't generate state_alts functions.
15711 (main): New function.
15712 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
15713 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
15714 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
15715 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
15716 (BYPASS_P_FUNC_NAME, output_state_alts_table)
15717 (output_automata_list_state_alts_code, output_internal_state_alts_func)
15718 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
15719 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
15721 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15722 * genattrtab.h: Delete file.
15723 * Makefile.in (OBJS-common): Add insn-automata.o.
15724 (insn-automata.o): New rule.
15725 (simple_generated_c): Add insn-automata.c.
15726 (build/genattrtab.o, build/genautomata.o): Update dependencies.
15727 (genprogmd): Add automata.
15728 (build/genattrtab): Needs no extra objects nor libraries.
15729 (build/genautomata): Needs build/vec.o and -lm.
15731 2006-01-22 Zack Weinberg <zackw@panix.com>
15733 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15734 (output_dfa_max_issue_rate, locked_states_num): Delete.
15735 (struct automaton): Add locked_states field.
15736 (output_dead_lock_vect): Save number of locked states in
15737 automaton->locked_states. If it is zero, don't print anything.
15738 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15739 (output_internal_dead_lock_func): Only test the dead_lock_vect
15740 for automata that have locked states.
15741 (output_statistics): Always print the number of locked states for
15742 each automaton. Calculate total number of locked states here.
15743 (write_automata): Don't call output_dfa_max_issue_rate.
15744 * genattrtab.c: Define length_unit_log as a const variable.
15745 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15746 max_insn_queue_index const.
15747 * final.c (length_unit_log): Declare const.
15748 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15750 2006-01-22 Zack Weinberg <zackw@panix.com>
15752 * genautomata.c: Include vec.h, not varray.h.
15753 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15754 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
15755 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
15756 VEC_* macros operating on appropriately typed vectors, or to
15757 malloced arrays when the size is known in advance. Const-ify
15758 many char* variables and function arguments. No functional changes.
15759 * Makefile.in (build/varray.o): Delete rule.
15760 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15761 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15763 2006-01-22 Zack Weinberg <zackw@panix.com>
15765 * gensupport.c: Define get_insn_name and record_insn_name here.
15766 (read_md_rtx): Call record_insn_name as appropriate.
15767 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15768 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15769 * genpreds.c, genrecog.c: Don't define get_insn_name nor
15771 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15772 (BUILD_VARRAY): Delete.
15773 (genprognormal): Rename genprogmd. Fold in all programs from
15774 genprognoprint; also attrtab.
15775 (build/genattrtab): Just mention genautomata.o and varray.o.
15776 Reorganize a bit, add comments to make the categories clearer.
15778 2006-01-22 Zack Weinberg <zackw@panix.com>
15780 * genconditions.c (condition_table, add_condition): Delete.
15781 (write_conditions): Don't emit n_insn_conditions nor
15782 insn_elision_unavailable. Issue the gcc version #ifdef here,
15783 inside the table, with no #else clause ...
15784 (write_header): ...not here.
15785 (write_writer): New function.
15786 (main): Don't initialize condition_table. Use add_c_test.
15788 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15789 files on the command line.
15790 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15791 Return -1 if there is no entry in the table, don't abort.
15792 (add_c_test, traverse_c_tests): New functions.
15793 * gensupport.h (insn_elision_unavailable, insn_conditions)
15794 (n_insn_conditions): Delete declarations.
15795 (add_c_test, traverse_c_tests): Declare.
15796 * read-rtl.c: Include gensupport.h.
15797 (read_conditions): New function.
15798 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15799 (read_rtx_1): If we get EOF when we were looking for an initial
15800 open paren, return 0. Call read_conditions when appropriate.
15801 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15802 dummy-conditions.o. Eliminate references to insn-conditions.o,
15803 or change them to build/gencondmd.o, as appropriate. Remove
15804 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15805 from $(simple_generated_c). For all files remaining in those
15806 two lists, add insn-conditions.md to the generator command line.
15807 Give insn-constants.h/s-constants their own rules. Add rules
15808 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15809 (build/read-rtl.o): Depend on gensupport.h.
15810 (genprognormal): Include preds.
15811 (genprogearly): Rename genprognoprint; only difference is now that
15812 they don't link with $(BUILD_PRINT).
15813 * dummy-conditions.c: Delete.
15815 2006-01-22 Zack Weinberg <zackw@panix.com>
15817 * genextract.c: Don't include insn-config.h. Do include vec.h.
15818 Declare vectors of int, char, and locstr.
15819 (locstr): New typedef.
15820 (struct extraction): Make all array fields into bare pointers.
15821 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15822 (insn_code_number): Delete.
15823 (accum_extract): New struct.
15824 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15825 (gen_insn): Take insn_code_number as an argument. Use an
15826 accum_extract structure instead of loading data directly into
15827 a struct extraction, and having to know how big it might get.
15828 (walk_rtx): Operate entirely on an accum_extract structure.
15829 (print_path): Avoid unnecessary use of printf.
15830 (print_header): New function, split out of main. Distinguish
15831 more carefully between an unrecognizable insn and an insn that
15832 has the code number of a define_expand.
15833 (main): Pass insn_code_number to gen_insn. Call print_header
15834 only after parsing. Avoid unnecessary use of printf.
15835 * Makefile.in (build/vec.o): New rule.
15836 (build/genextract): Depend on build/vec.o.
15837 (build/genextract.o): Don't depend on insn-config.h.
15839 2006-01-22 Zack Weinberg <zackw@panix.com>
15841 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15842 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15843 practical. Eliminate per-generator-program link rules.
15845 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15847 PR middle-end/24437
15848 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15849 with a call expr to ...
15850 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15852 2006-01-23 Richard Guenther <rguenther@suse.de>
15854 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15855 before make_edge with conditional EDGE_TRUE_VALUE.
15857 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15858 Jan Hubicka <jh@suse.cz>
15859 Richard Guenther <rguenther@suse.de>
15861 PR rtl-optimization/25654
15862 * cfgexpand.c (aggregate_contains_union_type): New function.
15863 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15864 for structure variables that contain a union type.
15866 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15868 * gengtype.c (new_structure): Return the structure.
15869 (create_option): Add an extra "next" argument.
15870 (create_field): New function.
15871 (adjust_field_rtx_def): Use create_option and create_field.
15872 Remove a now-unnecessary call to find_structure.
15873 (adjust_field_tree_def): Likewise.
15874 (note_yacc_type): Remove an unnecessary call to find_structure.
15875 * gengtype.h (new_structure): Return the structure.
15876 (create_option): Add an extra argument.
15877 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15878 (option): Adjust calls to create_option.
15880 2006-01-22 David Edelsohn <edelsohn@gnu.org>
15882 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
15884 2006-01-22 Paul Brook <paul@codesourcery.com>
15885 Peter Barada <peter@the-baradas.com>
15887 * config/m68k/m68k.md: Add Coldfire FPU support.
15888 Define FP mode macro and associated attributes.
15889 Use it for float mode patterns.
15890 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
15891 (LIBCALL_VALUE): Use m68k_libcall_value.
15892 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
15893 (m68k_function_value): Ditto.
15894 (emit_move_sequence): Ditto.
15895 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
15896 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
15897 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
15898 (MULTILIB_EXCEPTIONS): Ditto.
15899 * config/m68k/m68k.opt: Add mcfv4e.
15900 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
15901 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
15902 (m68k_output_function_prologue): Save ColdFire FPU registers.
15903 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
15904 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
15905 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
15906 ColdFire FPU registers.
15907 (m68k_libcall_value, m68k_function_value): New functions.
15908 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
15909 (LIBCALL_VALUE): Use m68k_libcall_value.
15910 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
15911 (MASK_COLDFIRE): Add MASK_CFV4E.
15912 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
15913 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
15914 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
15915 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
15916 (GO_IF_LEGITIMATE_ADDRESS): Use it.
15917 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
15918 * doc/invoke.tex: Document -mcfv4e on m68k.
15920 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15922 * doc/contribute.texi: Change CVS to SVN and update the corresponding
15925 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
15928 * c-opts.c (c_common_handle_option): Don't include
15929 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
15930 * doc/invoke.texi (C++ Dialect Options): Document that
15931 -Wnon-virtual-dtor is no longer included in -Wall.
15933 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
15935 * gcov.c (print_version), gcov-dump.c (print_version),
15936 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
15939 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
15941 * df-scan.c (problem_SCAN): Added NULL reset function.
15942 (df_scan_reset_blocks): Added code to call reset block function
15943 (df_bb_refs_delete) Fixed comment.
15944 (df_insn_refs_delete): Made tolerant of deleting non existent info
15945 for dataflow problems that need to be reset.
15946 * df-core.c (df_set_blocks): Ditto.
15947 * df.h (struct df_problem): Added reset_fun.
15948 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
15949 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
15950 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
15951 functions to clear out all references to def-use or use-def chains.
15953 2006-01-21 Ben Elliston <bje@au.ibm.com>
15955 * varasm.c (assemble_real): Initialise data array.
15957 2006-01-20 Paul Brook <paul@codesourcery.com>
15959 Merge from csl-arm-branch.
15960 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
15961 * config/arm/arm.md (movdi): Force operands[1] to a register
15962 if we have a non-register source.
15963 (*arm_movdi, *movdf_soft_insn): Require that one of the
15964 operands be a register.
15965 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
15966 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
15968 2006-01-20 DJ Delorie <dj@redhat.com>
15970 * varasm.c (initializer_constant_valid_p): Allow pointers
15971 initialized from integer constants of lesser precision.
15972 (output_constant): Allow non-int-sized pointer modes to be
15973 initialized from integer constants.
15975 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15978 * cppdefault.h (struct default_include): Add multilib flag.
15979 * cppdefault.c (cpp_include_defaults): Set it.
15980 * c.opt (-imultilib): New option.
15981 * c-opts.c (imultilib): New.
15982 (c_common_handle_option): Handle -imultilib.
15983 (c_common_post_options): Likewise.
15984 * c-incpath.c (add_standard_paths, register_include_chains):
15986 * c-incpath.h (register_include_chains): Add extra parameter.
15987 * gcc.c (do_spec_1): Generate -imultilib option.
15988 (The Specs Language): Update %I description.
15989 (process_command): Update copyright notice.
15990 * doc/cppopts.texi (-imultilib): Document.
15991 * doc/invoke.texi (-imultilib): Include in option summary.
15992 (%I): Update specs documentation.
15994 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15996 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15998 2006-01-20 Richard Sandiford <richard@codesourcery.com>
16000 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
16003 2006-01-20 Richard Guenther <rguenther@suse.de>
16004 Steven Bosscher <stevenb.gcc@gmail.com>
16006 PR rtl-optimization/24626
16007 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
16008 EDGE_TRUE_VALUE if in RTL mode.
16011 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
16012 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
16014 2006-01-20 Dirk Mueller <dmueller@suse.com>
16017 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
16018 instead of a special NOP marker.
16019 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
16020 NOP marker handling.
16021 * c-common.h (empty_body_warning): Add forward declaration.
16022 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
16023 Now uses IS_EMPTY_STMT() instead of special NOP markers.
16025 2006-01-20 Paul Brook <paul@codesourcery.com>
16027 * Makefile.in (lang_checks): Keep going if mkdir fails.
16029 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16031 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
16032 be able to clean out basic block when not necessary.
16033 (df_scan_free): Fixed to properly delete information if df is
16034 unused before calling df_finish.
16035 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
16036 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
16038 (df_bb_refs_delete): New function.
16039 (df_refs_delete): Moved per block code to df_bb_refs_delete.
16040 * df-core.c (df_set_blocks): Added code to properly clean out
16041 unused blocks if they are not part of the blocks to consider.
16042 Added additional null check.
16043 (df_compact_blocks): Added basic block parameter to free_bb_fun to
16044 be able to clean out basic block when not necessary
16045 * df.h (df_free_bb_function): Ditto.
16046 (df_bb_refs_delete): New function.
16047 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
16048 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
16049 basic block parameter to be able to clean out basic block when not
16051 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
16052 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
16053 Fixed to properly delete information if df is unused before
16056 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16058 PR rtl-optimization/25799
16059 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
16060 Corrected confluence operator to remove bits from op2 before oring
16061 with op1 rather than removing bits from op1.
16062 (df_ru_transfer_function): Corrected test on wrong bitmap which
16063 caused infinite loop. Both of these problems were introduced in
16064 the dataflow rewrite.
16066 2006-01-19 DJ Delorie <dj@redhat.com>
16068 * reload1.c (find_reload_regs): Note the details of reload
16069 failures in the dump file.
16070 (spill_failure): Likewise.
16072 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16074 * loop-iv.c: Include df.h and hashtab.h.
16075 (enum iv_grd_result): New enum.
16076 (DF_REF_IV, DF_REF_IV_SET): New macros.
16077 (struct biv_entry): New.
16078 (df, bivs): New global variables.
16079 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
16080 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
16082 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
16083 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
16084 analyzed_for_bivness_p, record_biv): New functions.
16085 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
16086 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
16087 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
16089 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
16091 (iv_number_of_iterations): Use new interface to iv analysis.
16092 * loop-unroll.c: Do not include varray.h.
16093 (analyze_iv_to_split_insn): Use new interface to iv
16095 * loop-unswitch.c (may_unswitch_on): Ditto.
16096 * df.c (df_bitmaps_free): Only work for bbs for that structures are
16098 (df_bb_modify): Realloc tables to the new index.
16099 (df_find_use): New function.
16100 * df.h (df_find_use): Declare.
16101 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
16103 * cfgloop.h (struct rtx_iv): Remove analysed field.
16104 (iv_get_reaching_def): Removed.
16105 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
16106 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
16107 (loop-iv.o): Add df.h and hashtab.h dependency.
16108 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
16110 2006-01-20 Alan Modra <amodra@bigpond.net.au>
16113 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
16115 (__floatundisf, __floatundidf): Likewise.
16116 * libgcc2.h (IS_IBM_EXTENDED): Define.
16118 2006-01-19 DJ Delorie <dj@redhat.com>
16120 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
16122 2006-01-19 Paul Brook <paul@codesourcery.com>
16124 * config/arm/arm.c (arm_compute_func_type): Treat all functions
16125 as nothrow when unwinding tables are disabled.
16127 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16130 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
16131 of bit-field" when in system header.
16133 2006-01-19 DJ Delorie <dj@redhat.com>
16135 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
16136 the 16 bit shift limit of the m16c.
16138 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
16141 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
16142 * config/i386/i386.c (output_set_got): Output the label if we have one
16143 for the TARGET_DEEP_BRANCH_PREDICTION case.
16145 2006-01-19 Jan Hubicka <jh@suse.cz>
16146 H.J. Lu <hongjiu.lu@intel.com>
16147 Evandro Menezes <evandro.menezes@amd.com>
16149 * invoke.texi (generic): Document
16151 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
16152 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
16153 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
16154 (x86_use_incdec, x86_pad_returns): New variables
16155 (TARGET_CPU_DEFAULT_generic): New constant
16156 (TARGET_CPU_DEFAULT_NAMES): Add generic.
16157 (enum processor_type): Add generic32 and generic64.
16158 * i386.md (cpu attribute): Add generic32/generic64
16159 (movhi splitter): Behave sanely when both partial_reg_dependency and
16160 partial_reg_stall are set.
16161 (K8 splitters): Enable for generic as well.
16162 * predicates.md (incdec_operand): Use TARGET_INCDEC
16163 (aligned_operand): Avoid memory mismatch stalls.
16164 * athlon.md: Enable for generic64, new patterns for 128bit moves.
16165 * ppro.md: Enable for generic32
16166 * i386.c (generic64_cost, generic32_cost): New.
16167 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
16168 (x86_use_leave): Enable for generic64. (x86_use_sahf,
16169 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
16170 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
16171 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
16172 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
16173 x86_partial_reg_dependency, x86_memory_mismatch_stall,
16174 x86_accumulate_outgoing_args, x86_prologue_using_move,
16175 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
16176 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
16177 Enable for generic.
16178 (x86_use_incdec, x86_pad_returns): New.
16179 (override_options): Add generic32 and generic64, translate "generic"
16180 to generic32/generic64 and "i686" to "generic32", refuse
16181 "generic32"/"generic64" as arch target.
16182 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
16183 (ix86_reorg): Honor PAD_RETURNS.
16185 2006-01-19 Diego Novillo <dnovillo@redhat.com>
16187 * tree-pretty-print.c (dump_generic_node): Handle
16188 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
16189 * cgraph.c (cgraph_expand_queue): Rename from
16190 cgraph_analyze_queue. Update all users.
16191 * cgraphunit.c (cgraph_assemble_pending_functions): Process
16192 cgraph_expand_queue.
16193 (cgraph_expand_all_functions): Likewise.
16194 (cgraph_finalize_pending_functions): Remove. Update callers.
16196 * tree.h (OMP_DIRECTIVE_P): Define.
16197 (OMP_PARALLEL_FN): Define.
16198 (OMP_PARALLEL_DATA_ARG): Define.
16199 (OMP_SECTIONS_SECTIONS): Define.
16200 * tree-pass.h (pass_expand_omp): Declare.
16201 * omp-low.c (struct omp_region): Declare.
16202 (struct omp_context): Remove fields 'parallel_type',
16203 'parallel_start_ix' and 'parallel_start_additional_args'.
16205 (struct omp_for_data): Rename from struct expand_omp_for_data.
16206 (omp_regions): New static variable.
16207 (root_omp_region): New static variable.
16208 (find_omp_clause): Make static.
16209 (is_in_combined_parallel_ctx): Remove.
16210 (is_combined_parallel): New.
16211 (extract_omp_for_data): Move earlier in the file.
16212 (workshare_safe_to_combine_p): New.
16213 (get_ws_args_for): New.
16214 (determine_parallel_type): Move earlier in the file.
16215 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
16217 (omp_copy_decl): Likewise.
16218 (create_omp_child_function): Likewise.
16219 (lookup_omp_region): New.
16220 (dump_omp_region): New.
16221 (debug_omp_region): New.
16222 (debug_all_omp_regions): New.
16223 (new_omp_region): New.
16224 (scan_omp_parallel): If parallel_nesting_level > 1, the
16225 directive is nested within another parallel directive.
16226 Set OMP_PARALLEL_FN.
16227 (scan_omp_for): Do not try to handle combined parallel+for
16229 Remove FIXME comment.
16230 (scan_omp_nested): Remove.
16231 (scan_omp_1): Do not call scan_omp_nested when
16232 parallel_nesting_level is > 1.
16233 Do not change the DECL_CONTEXT of local variables found.
16234 (lookup_decl_in_outer_ctx): New.
16235 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
16236 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
16237 (lower_reduction_clauses): Rename from expand_reduction_clauses.
16238 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
16239 If CTX is nested, lookup VAR in the outer context when
16240 building copy assignment.
16241 (lower_send_clauses): Rename from expand_send_clauses.
16242 If CTX is nested, lookup VAR in the outer context when
16243 building copy assignments.
16244 (lower_send_shared_vars): Rename from expand_send_shared_vars.
16245 If CTX is nested, lookup VAR in the outer context when
16246 building copy assignments.
16247 (expand_parallel_call): Rename from build_parallel_call.
16248 Handle combined parallel+workshare cases.
16249 Re-implement to emit code into the CFG.
16251 (expand_omp_parallel): Re-implement to emit code into the CFG.
16252 Call move_sese_region_to_fn to outline the sub-graph
16253 containing the parallel region.
16254 (expand_omp_for_1): Remove.
16255 (expand_omp_for_generic): Re-implement to emit code into the
16257 (expand_omp_for_static_nochunk): Likewise.
16258 (expand_omp_for_static_chunk): Likewise.
16259 (expand_omp_for): Likewise.
16260 (expand_omp_sections): Likewise.
16261 (remove_exit_barriers): New.
16262 (expand_omp_synch): New.
16264 (build_omp_regions_1): New.
16265 (build_omp_regions): New.
16266 (execute_expand_omp): New.
16267 (gate_expand_omp): New.
16268 (pass_expand_omp): Define.
16269 (lower_omp_sections): Rename from expand_omp_sections.
16270 Set OMP_SECTIONS_SECTIONS.
16271 (lower_omp_single_simple): Rename from expand_omp_single_simple.
16272 (lower_omp_single_copy): Rename from expand_omp_single_copy.
16273 (lower_omp_single): Rename from expand_omp_simple.
16274 (lower_omp_master): Rename from expand_omp_master.
16275 (lower_omp_ordered): Rename from expand_omp_ordered.
16276 (lower_omp_critical): Rename from expand_omp_critical.
16277 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
16278 (lower_omp_for): Re-implement.
16279 (lower_omp_parallel): Re-implement.
16280 (lower_regimplify): Rename from expand_regimplify.
16281 (lower_omp_1): Rename from expand_omp_1.
16282 If there are syntax errors in the program, replace every
16283 OpenMP directive with NOP.
16284 Call lower_omp_* instead of expand_omp_*.
16285 (lower_omp): Rename from expand_omp.
16287 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
16288 * tree-gimple.h (enum omp_parallel_type): Remove.
16289 (gimple_boolify): Declare extern.
16290 (find_omp_clause, determine_parallel_type): Remove.
16292 * gimple-low.c (lower_omp_directive): New.
16293 (lower_stmt): Call it.
16294 (record_vars_into): Move from ...
16295 (record_vars): ... here.
16296 Call record_vars_into with current_function_decl.
16298 * gimplify.c (struct gimplify_ctx): Remove fields
16299 combined_pre_p and combined_ctxp. Update users.
16300 (get_formal_tmp_var): Add documentation.
16301 (gimple_boolify): Make extern.
16302 (gimplify_expr_in_ctx): Remove. Update callers.
16303 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
16304 will always be a BIND_EXPR.
16305 (gimplify_expr): Handle OMP_RETURN_EXPR.
16306 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
16307 (OMP_PARALLEL): Add 3 operands.
16308 (OMP_SECTIONS): Add 1 operand.
16309 (OMP_RETURN_EXPR): Define.
16311 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
16312 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
16313 * tree-iterator.c (alloc_stmt_list): Assert that we are not
16314 creating a circular free list.
16315 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
16317 * tree-flow.h (move_sese_region_to_fn): Declare.
16318 (record_vars_into): Declare.
16319 * tree-cfg.c (make_omp_sections_edges): New.
16320 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
16321 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
16322 OMP_SECTIONS and OMP_SECTION.
16323 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
16324 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
16325 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
16326 (gather_blocks_in_sese_region): New.
16327 (struct move_stmt_d): Declare.
16328 (move_stmt_r): New.
16329 (move_block_to_fn): New.
16330 (move_sese_region_to_fn): New.
16332 * passes.c (init_optimization_passes): Schedule
16333 pass_expand_omp after pass_init_datastructures.
16335 * tree-ssa-operands.c (get_expr_operands): Handle
16336 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
16337 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
16339 2006-01-19 Jeff Law <law@redhat.com>
16341 * tree-vrp.c (extract_range_from_assert): Refine the result range
16342 if the variable referenced by the ASSERT_EXPR has a range and
16343 either the tentative result range or the previous range is a
16346 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16348 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
16350 2006-01-19 Jan Hubicka <jh@suse.cz>
16352 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
16354 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
16356 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
16357 (expand_compound_operation, expand_field_assignment): Fail if the
16358 bit lengths of an extract operation are out of range.
16359 (make_extraction): Compute wanted_inner_mode based on the position
16360 and length of the extraction. Make it extraction_mode for non-constant
16361 positions, and do not modify offset in that case. When generating a
16362 new MEM, use a mode that can hold the extraction while keeping correct
16363 alignment. Remove code that supported MEMs wrapped by USEs.
16364 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
16366 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
16368 * config/s390/s390.md ("Y", "y"): New mode attribute.
16369 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
16370 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
16371 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
16372 "*addsi3_imm_cc", "*addsi3_carry1_cc",
16373 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
16374 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
16375 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
16376 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
16377 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
16378 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
16379 "addsi3", "subsi3"): Insn patterns removed.
16380 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
16381 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
16382 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
16383 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
16384 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
16385 "*sub<mode>3_cconly2"): New insn patterns.
16386 ("addsi3", "subsi3"): New expanders.
16388 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
16390 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
16391 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
16392 existing STMT_VINFO_VECTYPE if available.
16393 (vect_mark_relevant): Add special handling for stmts that are
16394 marked as STMT_VINFO_IN_PATTERN_P.
16395 (vect_analyze_loop): Call vect_pattern_recog.
16396 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
16397 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
16399 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
16400 (vect_recog_func_ptr): New function-pointer type.
16401 * tree-vect-patterns.c: New file.
16402 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
16403 (vect_recog_dot_prod_pattern, vect_pattern_recog):
16404 (vect_pattern_recog_1): New functions.
16405 (vect_pattern_recog_funcs): New array of function pointers.
16407 * tree-vectorizer.h (ternary_op): New enum value.
16408 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
16409 declaration. Revised documentation. Removed redundant dump prints.
16410 Removed redundant argument. Added support for reduction patterns.
16411 (vectorizable_reduction): Added support for reduction patterns.
16412 (vect_transform_stmt): Added support for patterns.
16414 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
16415 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
16416 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
16417 (expand_widen_pattern_expr): New function.
16418 (init_optabs): Initialize new optabs udot_prod_optab,
16420 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
16421 (sdot_prod_optab, udot_prod_optab): Define new optabs.
16422 (expand_widen_pattern_expr): New function declaration.
16423 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
16425 * tree-inline.c (estimate_num_insns_1): Added cases for new
16426 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16427 * tree-pretty-print.c (dump_generic_node): Likewise.
16428 (op_prio): Likewise.
16429 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16430 * tree-ssa-operands.c (get_expr_operands): Added case for
16432 * tree-vect-patterns.c (widened_name_p): New function.
16433 (vect_recog_dot_prod_pattern): Added function implementation.
16434 * tree-vect-transform.c (get_initial_def_for_reduction): Added
16435 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
16436 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
16437 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
16439 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
16440 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
16441 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
16442 (init_optabs): Initialize new optabs widen_ssum_optab,
16444 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
16445 (widen_ssum_optab, widen_usum_optab): Define new optabs.
16446 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
16447 use instead of type of def.
16448 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
16449 function implementation.
16450 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
16451 widen_ssumv8hi): New.
16453 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
16456 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16459 * c-decl.c (add_flexible_array_elts_to_size): New function.
16460 (finish_decl): Use it.
16462 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
16464 * diagnostic.h: Include options.h.
16465 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
16466 dependancies for diagnostic.h.
16467 * Makefile.in (DIAGNOSTIC_H): Add options.h.
16469 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
16471 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
16472 (ssa_ro_call_cache_valid): Ditto.
16473 * tree-ssa-alias.c (sort_tags_by_id): New function.
16474 (init_transitive_clobber_worklist): Ditto.
16475 (add_to_worklist): Ditto.
16476 (mark_aliases_call_clobbered): Ditto.
16477 (compute_tag_properties): Ditto.
16478 (set_initial_properties): Ditto.
16479 (compute_call_clobbered): Ditto.
16480 (compute_may_aliases): Call compute_call_clobbered and grouping.
16481 (compute_flow_sensitive_aliasing): Remove clobbering related code.
16482 (compute_flow_insensitive_aliasing): Grouping now happens in our
16484 (setup_pointers_and_addressables): Remove clobbering related code.
16485 (add_may_alias): Ditto.
16486 (replace_may_alias): Ditto.
16487 (get_nmt_for): Ditto.
16488 (create_global_var):
16489 (is_escape_site): Return an escape_type enumeration.
16490 * tree-flow-inline.h (is_call_clobbered): Global var does not
16491 imply call clobbered.
16492 (mark_call_clobbered): Take a reason for marking this. Remove
16493 marking of globalness, and cache invalidation.
16494 (clear_call_clobbered): Remove cache invalidation code.
16495 * tree-dfa.c (dump_variable): If details is on, dump the reason
16497 * tree-outof-ssa.c (create_temp): Copy escape mask from original
16499 * tree-flow.h (struct ptr_info_def): Add escape mask member.
16500 (struct var_ann_d): Ditto.
16501 (enum escape_type): New.
16502 (mark_call_clobbered): Adjust prototype.
16503 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
16504 are never call clobbered.
16505 Record reasons for escaping.
16506 * tree-ssa-structalias.h (is_escape_site): Update prototype.
16507 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
16508 (ssa_ro_call_cache_valid): Ditto.
16509 (clobbered_v_may_defs): Ditto.
16510 (clobbered_vuses): Ditto.
16511 (ro_call_vuses): Ditto.
16512 (clobber_stats): New.
16513 (init_ssa_operands): Zero out clobber stats.
16514 (fini_ssa_operands): Print out clobber stats.
16515 (get_call_expr_operands): Pass callee fndecl to
16516 add_call_read_ops).
16517 (add_call_clobber_ops): Remove use of cache.
16518 Add use of PURE_CONST information.
16519 (add_call_read_ops): Remove use of cache.
16520 Add use of static not_read information.
16522 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
16524 Introduce TLS descriptors for i386 and x86_64.
16525 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
16526 (TARGET_ANY_GNU_TLS): New macro.
16527 (enum tls_dialect): Added TLS_DIALECT_GNU2.
16528 (struct machine_function): Add tls_descriptor_call_expanded_p.
16529 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
16530 (ix86_current_function_calls_tls_descriptor): Likewise.
16531 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
16532 (override_options): Introduce gnu2 tls dialect.
16533 (ix86_frame_pointer_required): Functions containing TLSCALLs are
16535 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
16537 (legitimize_tls_address): Adjust logic for GNU2 TLS.
16538 (ix86_init_machine_status): Initialize new field.
16539 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
16540 (ix86_tls_module_base): New.
16541 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
16542 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
16543 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
16544 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
16545 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
16546 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
16547 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
16548 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
16549 * config/i386/predicates.md (tls_modbase_operand): New.
16550 (tp_or_register_operand): New.
16552 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
16554 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
16555 (look_for_address_of): Ditto.
16556 (ipa_init): Walk the function decls.
16557 (static_execute): Don't set readonly on FUNCTION_DECL's.
16559 2006-01-18 Roger Sayle <roger@eyesopen.com>
16561 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
16562 for shifts where the source and destination registers are different.
16564 2006-01-18 Paul Brook <paul@codesourcery.com>
16566 Merge from csl-arm-branch.
16567 2005-03-14 Julian Brown <julian@codesourcery.com>
16568 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
16569 (aeabi_llsl): Likewise.
16570 (ashrdi3): Likewise.
16571 (aeabi_lasr): Likewise.
16572 (lshrdi3): Likewise.
16573 (aeabi_llsr): Likewise.
16574 2005-03-10 Julian Brown <julian@codesourcery.com>
16575 * config.gcc: Disable shared libgcc for SymbianOS.
16576 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
16578 2006-01-18 DJ Delorie <dj@redhat.com>
16580 * c-pragma.c (handle_pragma_diagnostic): New.
16581 (init_pragma): Register it.
16582 * doc/extend.texi: Document it.
16584 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
16585 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
16586 (diagnostic_context): Add classify_diagnostic[].
16587 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
16588 as errors if they're overridden to DK_WARNING.
16589 (diagnostic_initialize): Initialize classify_diagnostic[].
16590 (diagnostic_set_kind_override): New.
16591 (diagnostic_report_diagnostic): Check for kind changes.
16592 * opts.c (common_handle_option): Take lang_mask. Update callers.
16593 Handle OPT_Werror_.
16594 * common.opt (Werror=): New.
16595 * doc/invoke.texi: Document -Werror=*
16597 2006-01-18 Jeff Law <law@redhat.com>
16599 * tree-vrp.c (test_for_singularity): Correct test for new
16600 min limit. Use operand_equal_p rather than pointer equality
16601 for testing if new min/max values are equal.
16603 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
16604 using range information until after propagation and folding.
16606 2006-01-18 Richard Henderson <rth@redhat.com>
16607 Aldy Hernandez <aldyh@redhat.com>
16608 Jakub Jelinek <jakub@redhat.com>
16609 Diego Novillo <dnovillo@redhat.com>
16611 * omp-low.c: New file.
16612 * c-omp.c: New file.
16614 2006-01-18 Richard Henderson <rth@redhat.com>
16615 Jakub Jelinek <jakub@redhat.com>
16616 Diego Novillo <dnovillo@redhat.com>
16618 * doc/invoke.texi: Document -fopenmp.
16619 * tree-dump.h (debug_function): Declare.
16620 * hooks.c (hook_bool_tree_bool_false): New function.
16621 (hook_tree_tree_null): Remove.
16622 (hook_tree_tree_tree_null): New.
16623 * hooks.h: Update to match.
16624 * tree-pretty-print.c (debug_tree_chain): New.
16625 (print_generic_expr): Handle TDF_CHAIN.
16626 (dump_generic_node): Handle BLOCK.
16627 Do not abort with incomplete SWITCH_EXPRs.
16628 Do not dump body of an OpenMP directive if TDF_SLIM is given.
16629 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
16630 print space after directive name.
16631 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
16632 Handle OMP_MASTER and OMP_ORDERED.
16633 Handle printing of OMP_BODY just in one place, goto
16634 dump_omp_body in the rest of OMP_* nodes that have
16636 Don't handle clause nodes here. Update omp statements to
16637 use dump_omp_clauses.
16638 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
16639 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
16640 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
16641 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
16642 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
16643 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
16644 Adjust output for GOMP_PARALLEL.
16645 (dump_omp_clauses): New.
16646 (print_declaration): Dump DECL_VALUE_EXPR.
16647 (op_symbol_1): Split out of op_symbol.
16648 (dumping_stmts): Remove. Update all users.
16649 * cgraph.c (cgraph_analyze_queue): New.
16650 (cgraph_add_new_function): New.
16651 * cgraph.h (cgraph_analyze_queue): Declare.
16652 (cgraph_add_new_function): Declare.
16653 (cgraph_lower_function): Remove.
16654 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
16655 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
16656 and TYPE_P nodes in its default clause.
16657 (empty_body_p): New.
16658 (tree_range_check_failed): New.
16659 (build5_stat): New.
16660 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
16661 OMP_CLAUSE_REDUCTION_MERGE,
16662 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
16663 OMP_CLAUSE_PRIVATE_DEBUG,
16664 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
16665 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
16666 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
16667 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
16668 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
16669 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
16670 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
16671 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
16672 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
16673 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
16674 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
16675 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
16676 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
16677 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
16678 (TREE_RANGE_CHECK): New.
16679 (empty_body_p): Declare.
16680 (enum omp_clause_default_kind): New.
16681 (build_string_literal): Declare.
16682 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
16683 (build5_stat, build5): Declare.
16684 * tree-pass.h (TDF_CHAIN): Define.
16685 * tree-pass.h (PROP_gimple_lomp): Define.
16686 (pass_lower_omp): Declare.
16687 * diagnostic.h (debug_tree_chain): Declare.
16688 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
16690 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
16691 * builtins.c (build_string_literal): Make extern.
16692 * gcc.c (include_spec_function): New.
16693 (static_spec_functions): Add it.
16694 (main): Move load of libgomp.spec ...
16695 (LINK_COMMAND_SPEC): ... here.
16696 (link_gomp_spec): New.
16697 (static_specs): Include it.
16698 (LINK_COMMAND_SPEC): Add link_gomp.
16699 (GOMP_SELF_SPECS): New.
16700 (driver_self_specs): Include it.
16701 (switch_matches): Don't mark inline.
16702 (main): Load libgomp.spec.
16703 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
16704 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
16705 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
16706 * tree-gimple.h (enum omp_parallel): Declare.
16707 (determine_parallel_type): Declare.
16708 (omp_firstprivatize_variable): Declare.
16709 (omp_reduction_init): Declare.
16710 (diagnose_omp_structured_block_errors): Declare.
16711 (struct walk_stmt_info): Add want_return_expr.
16712 (struct walk_stmt_info): Add want_bind_expr, want_locations.
16713 (find_omp_clause): Declare.
16714 (insert_field_into_struct): Declare.
16715 (struct walk_stmt_info): Move from tree-nested.c
16716 (walk_stmts): Declare.
16717 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
16719 * cgraphunit.c (cgraph_lower_function): Make static.
16720 (cgraph_finalize_pending_functions): New.
16721 (cgraph_finalize_function): Call it.
16722 (cgraph_finalize_compilation_unit): Likewise.
16723 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
16724 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
16725 (BT_FN_UINT_UINT): New.
16726 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
16727 DEF_FUNCTION_TYPE_VAR_4): Document.
16728 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16729 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16730 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16731 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16732 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16733 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16734 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16735 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16736 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16737 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16738 into separate files.
16739 (DEF_GOMP_BUILTIN): New.
16740 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16741 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16742 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16743 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16744 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16745 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16746 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16747 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16748 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16749 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16750 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16751 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16752 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16753 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16754 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16755 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16756 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16757 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16758 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16759 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16760 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16761 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16762 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16763 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16764 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16765 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16766 * sync-builtins.def: New file, moved from builtins.def.
16767 * omp-builtins.def: New file, moved from builtins.def.
16768 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16769 * gimple-low.c (lower_function_body): Clear data.
16770 (lower_stmt): Do not handle COMPOUND_EXPR.
16771 Remove call to print_node_brief.
16772 * c-tree.h (c_finish_omp_clauses): New prototype.
16773 (C_DECL_THREADPRIVATE_P): Define.
16774 (lookup_name_no_remap, c_omp_remap_private): Remove
16775 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16776 (check_for_loop_decls): Update decl.
16777 (lookup_name_no_remap, c_omp_remap_private): Declare.
16778 (build_indirect_ref, build_modify_expr, pushdecl,
16779 pushdecl_top_level): Move to c-common.h.
16780 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16781 before the switch, but just in the 2 places that need it.
16782 * c-decl.c (diagnose_mismatched_decls): Do not check for
16783 mismatched thread-local attributes when OLDDECL is marked
16784 threadprivate and NEWDECL has no thread-local attributes.
16785 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16786 (c_gimple_diagnostics_recursively): Rename from
16787 c_warn_unused_result_recursively. Invoke
16788 diagnose_omp_structured_block_errors.
16789 (check_for_loop_decls): Return a singular decl found.
16790 * langhooks.c (lhd_omp_predetermined_sharing): Return
16791 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16792 (lhd_omp_firstprivatize_type_sizes): New.
16793 (lhd_omp_assignment): New.
16794 (lhd_omp_predetermined_sharing): New.
16795 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16796 (struct lang_hooks_for_types): Add
16797 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16798 omp_predetermined_sharing, omp_disregard_value_expr,
16799 omp_private_debug_clause, omp_clause_default_ctor,
16800 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16801 (c_finish_omp_clauses): New.
16802 (c_finish_bc_stmt): Diagnose break within omp for.
16803 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16804 (build_unary_op): Return error_mark after reporting
16806 (build_modify_expr): Likewise.
16807 * gimplify.c: Include optabs.h and pointer-set.h.
16808 (enum gimplify_omp_var_data): Declare.
16809 (struct gimplify_omp_ctx): Declare.
16810 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16812 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16813 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16814 (splay_tree_compare_decl_uid): New.
16815 (new_omp_context): New.
16816 (delete_omp_context): New.
16817 (gimple_add_tmp_var): Call omp_add_variable.
16818 (gimplify_bind_expr): Likewise.
16819 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16820 true, disregard DECL_VALUE_EXPR on the decl if any.
16821 (gimplify_expr_in_ctx): New.
16822 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16823 omp_add_variable, omp_notice_variable, omp_is_private
16824 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16825 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16826 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16827 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16828 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16829 gimplify_omp_atomic): New.
16830 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16831 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16832 OMP_CRITICAL and OMP_ATOMIC.
16833 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16834 * c-pragma.h (enum pragma_kind): Add
16835 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16836 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16837 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16838 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16839 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16840 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16841 PRAGMA_OMP_THREADPRIVATE.
16842 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16843 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16844 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16845 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16846 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16847 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16848 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16849 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16850 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16851 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16852 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16853 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16854 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16856 (struct nesting_info): Add field_map,
16857 suppress_expansion, debug_var_chain.
16858 (create_nesting_tree): Initialize them.
16859 (lookup_field_for_decl): Use field_map.
16860 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16861 (convert_local_omp_clauses): New.
16862 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16863 (walk_body): Split out of walk_function.
16864 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16865 (convert_nonlocal_reference): Handle omp statements.
16866 (convert_local_reference): Likewise.
16867 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16868 (unnest_nesting_tree): New.
16869 (lower_nested_functions): Call it.
16870 (insert_field_into_struct): Make extern.
16871 (struct walk_stmt_info): Move to tree-gimple.h.
16872 (walk_stmts): Make extern.
16873 * omp-builtins.def: New file.
16874 * tree-iterator.c (expr_only): Clarify comment.
16875 * c-common.h (pushdecl_top_level, pushdecl,
16876 build_modify_expr, build_indirect_ref,
16877 c_finish_omp_master, c_finish_omp_critical,
16878 c_finish_omp_ordered, c_finish_omp_barrier,
16879 c_finish_omp_atomic, c_finish_omp_flush,
16880 c_finish_omp_for, c_split_parallel_clauses,
16881 omp_clause_default_kind, c_omp_sharing_predetermined,
16882 c_omp_remap_decl): Declare.
16883 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
16884 (OBJS-common): Add omp-low.o.
16885 (c-omp.o, omp-low.o): Add.
16886 (gimplify.o): Add dependency on $(OPTABS_H).
16887 (GTFILES): Add omp-low.c.
16888 (gt-stringpool.h): Add.
16889 * tree-cfg.c (set_bb_for_stmt): Do not update the
16890 block-to-labels map if we are currently expanding to RTL.
16891 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
16893 Handle IDENTIFIER_NODE.
16894 (tree_verify_flow_info): Do not ICE when emitting error
16895 messages about invalid labels.
16896 (dump_function_to_file): Reset CFUN before emitting the body
16898 (debug_function): New.
16899 * passes.c (init_optimization_passes): Schedule
16901 * langhooks-def.h (lhd_omp_predetermined_sharing,
16902 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
16904 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
16905 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
16906 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
16907 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
16908 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
16909 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
16910 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
16911 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
16912 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
16913 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
16914 (LANG_HOOK_DECLS): Use them.
16916 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
16917 Richard Henderson <rth@redhat.com>
16918 Jakub Jelinek <jakub@redhat.com>
16919 Diego Novillo <dnovillo@redhat.com>
16921 * c-parser.c (pragma_omp_clause): Define.
16922 (c_parser_declaration_or_fndef): Document OpenMP syntax.
16923 (c_parser_compound_statement): Likewise.
16924 (c_parser_statement): Likewise.
16925 (c_parser_pragma): Handle omp pragmas.
16926 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
16927 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
16928 (c_parser_omp_clause_name, check_no_duplicate_clause,
16929 c_parser_omp_variable_list,
16930 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
16931 c_parser_omp_clause_copyprivate,
16932 c_parser_omp_clause_default,
16933 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
16934 c_parser_omp_clause_lastprivate,
16935 c_parser_omp_clause_nowait,
16936 c_parser_omp_clause_num_threads,
16937 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
16938 c_parser_omp_clause_reduction,
16939 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
16940 c_parser_omp_all_clauses, c_parser_omp_structured_block,
16941 c_parser_omp_atomic, c_parser_omp_barrier,
16942 c_parser_omp_critical, c_parser_omp_flush,
16943 c_parser_omp_for_loop, c_parser_omp_for,
16944 c_parser_omp_master, c_parser_omp_ordered,
16945 c_parser_omp_sections_scope, c_parser_omp_sections,
16946 c_parser_omp_parallel, c_parser_omp_single,
16947 c_parser_omp_construct, c_parser_omp_threadprivate): New.
16948 * c-pragma.c (init_pragma): Do omp pragma registration here.
16949 * c.opt (fopenmp): New flag.
16951 2006-01-18 Eric Christopher <echristo@apple.com>
16953 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
16954 * config/darwin.h (GOMP_SELF_SPECS): Define.
16956 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16958 * rtl.h: Remove the prototype for reg_alloc.
16960 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16963 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
16964 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
16965 sjlj and dwarf2 exception handling.
16966 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
16967 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
16968 * pa/pa.c (function_value): Treat complex and vector types as
16970 (function_arg): Likewise. Only pass scalar floats in the floating
16971 point argument registers.
16972 * pa/t-slibgcc-dwarf-ver: New file.
16973 * pa/t-slibgcc-sjlj-ver: New file.
16974 * pa/t-slibgcc-elf-ver: Delete file.
16976 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16978 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16979 unlikely_test_section_p test.
16981 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16983 * mode-switching.c (optimize_mode_switching): Make it static.
16984 * basic-block.h: Remove the prototype for
16985 optimize_mode_switching.
16987 * modulo-sched.c (sms_schedule): Make it static.
16988 * rtl.h: Remove the prototype for sms_schedule.
16990 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16991 * rtl.h: Remove the prototype for gcse_after_reload_main.
16993 * reg-stack.c (reg_to_stack): Make it static.
16994 * rtl.h: Remove the prototype for reg_to_stack.
16996 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16998 * rtl.h: Remove the prototypes for regrename_optimize and
16999 copyprop_hardreg_forward.
17001 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
17003 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
17004 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
17005 Test against the appropriate null constant for the mode.
17006 If 'fixup_overlap' is true, swap the operands if they overlap.
17007 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
17008 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
17009 alpha_split_tmode_pair and adjust for above change.
17010 * config/alpha/alpha.md (movtf_internal): Adjust call to
17011 alpha_split_tfmode_pair and rely on it to swap the operands.
17012 (movti_internal): New insn and post-reload splitter.
17013 (movti): New expander.
17015 2006-01-18 Philippe De Muyter <phdm@macqel.be>
17017 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
17020 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17022 * rtlanal.c (global_reg_mentioned_p_1,
17023 global_reg_mentioned_p): Remove.
17024 * rtl.h: Remove the prototype for global_reg_mentioned_p.
17026 * flow.c (initialize_uninitialized_subregs): Make it static.
17027 * rtl.h: Remove the prototype for
17028 initialize_uninitialized_subregs.
17030 * function.c (instantiate_virtual_regs): Make it static.
17031 * function.h: Remove the prototype for
17032 instantiate_virtual_regs.
17034 * regmove.c (regmove_optimize, combine_stack_adjustments):
17036 * rtl.h: Remove the prototypes for regmove_optimize and
17037 combine_stack_adjustments.
17039 2006-01-17 Roger Sayle <roger@eyesopen.com>
17041 * config/i386/i386.c (COSTS_N_BYTES): New macro.
17042 (size_cost): Encode costs in bytes so that a reg-reg addition is
17043 equivalent to COSTS_N_INSNS(1).
17044 (override_options): Use the size_cost.branch_cost as the default
17045 ix86_branch_cost when optimizing for size.
17047 2006-01-18 Ben Elliston <bje@au.ibm.com>
17049 * Makefile.in (D32PBIT_FUNCS): New.
17050 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
17051 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
17052 D64PBIT_FUNCS and D128PBIT_FUNCS.
17053 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
17054 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
17056 (decnumber_dep): Define.
17057 * doc/libgcc.texi (Decimal float library routines): New node.
17058 * config/dfp-bit.h, config/dfp-bit.c: New files.
17060 2006-01-18 Ben Elliston <bje@au.ibm.com>
17062 * expr.c (emit_move_change_mode): Always adjust addresses, not
17063 just during reload. Copy replacements only during reload.
17064 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
17065 emit_move_via_integer.
17067 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
17069 * Makefile.in (check-%, check-consistency): Use $${srcdir}
17070 instead of $(srcdir) and ${srcdir}.
17072 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
17075 PR middle-end/11135
17076 * arm.h (struct machine_function): Add pic_reg.
17077 * arm.c (arm_pic_register): Make unsigned.
17078 (arm_override_options): Only set arm_pic_register if
17079 TARGET_SINGLE_PIC_BASE.
17080 (use_return_insn): Only test for a pic register if it is fixed.
17081 (arm_compute_save_reg0_reg12_mask): Likewise.
17082 (thumb_compute_save_reg_mask): Likewise.
17083 (legitimate_pic_operand): Factor out some known invariants.
17084 (legitimize_pic_address): If we don't have a fixed pic register,
17085 then set up a pseudo in the function entry sequence. Handle the
17086 pic base being in a pseudo.
17087 (arm_load_pic_register): Handle the pic register being in a pseudo.
17088 (arm_expand_prologue): Only set up the pic register if it is fixed.
17089 (thumb_expand_prologue): Likewise.
17090 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
17091 (pic_load_addr_based_insn): Likewise.
17092 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
17095 2006-01-18 Ben Elliston <bje@au.ibm.com>
17097 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
17098 decimal float modes for all floating point registers.
17100 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
17101 match_code "mem" with match_test "macho_lo_sum_memory_operand".
17103 2006-01-17 Jakub Jelinek <jakub@redhat.com>
17106 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
17107 even when the pointer is not NULL.
17109 2006-01-16 Ian Lance Taylor <ian@airs.com>
17111 * common.opt (ftoplevel-reorder): New option.
17112 * cgraph.c (cgraph_asm_nodes): New global variable.
17113 (cgraph_asm_last_node): New static variable.
17114 (cgraph_order): New global variable.
17115 (cgraph_create_node): Set new order field.
17116 (cgraph_varpool_node): Likewise.
17117 (decide_is_variable_needed): Return true if not
17118 flag_toplevel_reorder.
17119 (cgraph_add_asm_node): New function.
17120 * cgraph.h (struct cgraph_node): Add order field.
17121 (struct cgraph_varpool_node): Add order field.
17122 (struct cgraph_asm_node): Define.
17123 (cgraph_asm_nodes, cgraph_order): Declare.
17124 (cgraph_add_asm_node): Declare.
17125 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
17127 (cgraph_varpool_assemble_pending_decls): Call it.
17128 (cgraph_output_pending_asms): New static function.
17129 (cgraph_finalize_compilation_unit): Call it.
17130 (struct cgraph_order_sort): Define.
17131 (cgraph_output_in_order): New static function.
17132 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
17133 !flag_toplevel_reorder case.
17134 * c-parser.c: Include "cgraph.h".
17135 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
17137 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
17138 than -fno-unit-at-a-time.
17139 * doc/invoke.texi (Option Summary): Mention
17140 -fno-toplevel-reorder.
17141 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
17142 -funit-at-a-time documentation.
17144 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
17145 Kazu Hirata <kazu@codesourcery.com>
17147 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
17149 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
17151 * Makefile.in (FUNCTION_H): New. Use it instead of
17152 function.h throughout the file.
17153 * function.h: Include tree.h.
17155 2006-01-17 Ben Elliston <bje@au.ibm.com>
17157 * recog.c: Separate some functions with whitespace.
17159 2006-01-16 Richard Henderson <rth@redhat.com>
17161 Merge from gomp branch:
17162 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
17163 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
17164 and rename from struct inline_data. Rename callee* to dst*;
17165 caller* to src*; add copy_decl hook, transform_call_graph_edges,
17166 transform_new_cfg, transform_return_to_modify, and
17167 transform_lang_insert_block flags; remove cloning_p, versioning_p,
17169 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
17170 (copy_decl_for_dup): Remove.
17171 * tree-inline.c (struct inline_data): Move to header.
17172 (insert_decl_map): Export.
17173 (remap_decl): Update for member name changes. Use copy_decl hook.
17174 Allow for replacement to be a non-decl. Remove dead code.
17175 (remap_type_1): Check for existing mapping.
17176 (remap_type): Export.
17177 (remap_decls): Update for member name changes.
17178 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
17179 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
17180 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
17181 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
17182 (tree_function_versioning, build_duplicate_type): Likewise.
17183 (copy_body_r): Likewise. Export.
17184 (copy_decl_for_dup): Split into ...
17185 (copy_decl_for_dup_finish, copy_decl_to_var,
17186 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
17187 (replace_ref_tree, inlining_p): Remove.
17189 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17191 * ifcvt.c (if_convert): Make it static.
17192 * rtl.h: Remove the prototype for if_convert.
17194 * local-alloc.c (local_alloc): Make it static.
17195 * rtl.h: Remove the prototype for local_alloc.
17197 * loop.c (loop_optimize): Make it static.
17198 * cfgloop.h: Remove the prototype for loop_optimize.
17201 2006-01-16 DJ Delorie <dj@redhat.com>
17203 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
17206 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17208 * pa.md: Disparage copies between general and floating-point registers
17209 in 32-bit move patterns.
17211 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
17214 * Makefile.in (check-%): Depend on site.exp instead of
17215 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
17218 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17220 * global.c (global_alloc): Make it static.
17221 * rtl.h: Remove the prototype for global_alloc.
17223 2006-01-16 Richard Guenther <rguenther@suse.de>
17225 * tree-ssa-alias.c (struct used_part): Add write_only field.
17226 (get_or_create_used_part_for): Initialize it to true.
17227 (create_overlap_variables_for): Don't create structure variables
17228 for structures that only are written to.
17229 (find_used_portions): Handle MODIFY_EXPR to track whether a
17230 structure is only written to.
17232 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17234 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
17236 * basic-block.h: Remove the prototype for
17237 partition_hot_cold_basic_blocks.
17239 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
17241 * cppspec.c (lang_specific_spec_functions): Remove.
17242 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
17243 * gcc.h (lang_specific_spec_functions): Remove.
17244 * gccspec.c (lang_specific_spec_functions): Remove.
17246 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
17248 * combine.c (record_value_for_reg): Invalidate registers
17250 (record_dead_and_set_regs_1): Likewise, by passing them to
17251 record_value_for_reg.
17252 (record_dead_and_set_regs): Invalidate stores made by a
17253 call. We do not combine across a call, but we still
17254 relied on equivalences.
17256 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17258 * tree-vrp.c (extract_range_from_binary_expr): Cope with
17259 vrp_int_const_binop returning non-constant nodes.
17261 2006-01-16 Paul Brook <paul@codesourcery.com>
17263 * config/m68k/m68k.c (output_move_const_into_data_reg):
17264 Output correct mnemonic for mvz and mvs.
17266 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
17268 * rtl-factoring.c: Add sequence abstraction algorithm.
17269 * cfgcleanup.c (outgoing_edges_match): Extra checks.
17270 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
17272 (block_has_preserve_label): New function.
17273 * common.opt: Register new pass.
17274 * Makefile.in: Ditto.
17276 * timevar.def: Ditto.
17277 * tree-pass.h: Ditto.
17278 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
17279 * rtl.h (make_jump_insn_raw): Add forward decl.
17280 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
17282 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17283 Roger Sayle <roger@eyesopen.com>
17285 * fold-const.c (fold_minmax): New static function.
17286 (fold_binary) <MIN_EXPR>: Call it.
17287 <MAX_EXPR>: Likewise.
17288 * stor-layout.c (place_field): Use DECL_SIZE consistently
17289 in the computation of the new record size.
17291 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17293 * cse.c (cse_condition_code_reg): Make it static.
17294 * rtl.h: Remove the prototype for cse_condition_code_reg.
17296 * combine.c (combine_instructions): Make it static.
17297 * rtl.h: Remove the prototype for combine_instructions.
17299 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17302 * tree.c (get_file_function_name_long): Concatenate the first global
17303 object name with a string derived from the input filename of the object
17306 2006-01-16 Ben Elliston <bje@au.ibm.com>
17308 * config/i386/winnt-stubs.c: Update FSF address.
17309 * config/xtensa/ieee754-df.S: Ditto.
17310 * config/xtensa/ieee754-sf.S: Ditto.
17312 2006-01-14 Ian Lance Taylor <ian@airs.com>
17314 * ifcvt.c (noce_init_if_info): New static function, broken out of
17315 noce_process_if_block.
17316 (noce_process_if_block): Call noce_init_if_info.
17317 (check_cond_move_block): New static function.
17318 (cond_move_process_if_block): New static function.
17319 (process_if_block): Call cond_move_process_if_block.
17321 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
17323 * cselib.c (hash_table): Rename to cselib_hash_table.
17324 (cselib_clear_table, discard_useless_values,
17325 remove_useless_values, cselib_lookup_mem, cselib_lookup,
17326 cselib_init, cselib_finish): Adjust uses of hash_table.
17328 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
17330 PR tree-optimization/25485
17331 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
17332 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
17333 is known to be false and true, respectively.
17335 2006-01-14 Richard Guenther <rguenther@suse.de>
17337 PR tree-optimization/22548
17338 PR tree-optimization/22555
17339 PR tree-optimization/22501
17340 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
17341 * params.def (salias-max-array-elements): New parameter.
17342 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
17343 * doc/invoke.texi (salias-max-array-elements): Document.
17344 * tree-flow-inline.h (var_can_have_subvars): We also handle
17346 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
17348 * tree-ssa-structalias.c (params.h): Include.
17349 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
17350 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
17351 (get_constraint_for): For ADDR_EXPR operating on something
17352 containing an ARRAY_REF, add all subvars to the solution.
17353 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
17354 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
17355 for creating MUST_DEFs.
17356 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
17358 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17360 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
17362 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
17363 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
17364 number_of_iterations_le): New functions.
17365 (number_of_iterations_special): Removed.
17366 (number_of_iterations_exit): Do not use number_of_iterations_special.
17367 * tree.c (unsigned_type_for): Always return integer type.
17369 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
17370 Richard Guenther <rguenther@suse.de>
17372 PR rtl-optimization/24257
17373 * gcse.c (find_moveable_store): Only consider a store movable
17374 when the SET_SRC of the insn can be assigned to a register.
17376 2006-01-14 Ian Lance Taylor <ian@airs.com>
17378 * tree.c (tree_not_class_check_failed): New function.
17379 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
17380 (tree_not_class_check_failed): Declare.
17382 2006-01-13 Ian Lance Taylor <ian@airs.com>
17384 * reload1.c (do_output_reload): Add assertion rejecting a
17387 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
17389 * combine.c (struct reg_stat): Add new fields truncation_label and
17391 (record_value_for_reg): Reset truncated_to_mode.
17392 (record_truncated_value): New function.
17393 (check_promoted_subreg): Call it. Rename to check_conversions.
17394 (combine_instructions): Rename check_promoted_subreg to
17396 (reg_truncated_to_mode): New function.
17397 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
17398 (gen_lowpart_or_truncate): New function.
17399 (force_to_mode): Use it instead of gen_lowpart.
17401 2006-01-13 Diego Novillo <dnovillo@redhat.com>
17403 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
17404 VAR is a tag, not its type tag.
17406 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
17408 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
17409 alternatives to match style of other entries.
17410 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
17412 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
17414 PR tree-optimization/25771
17415 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
17418 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
17421 * tree-inline.c (declare_return_variable): If the return variable
17422 was marked as a non gimple complex, set the return slot variable
17423 to be a non gimple comple variable.
17425 2006-01-13 Richard Guenther <rguenther@suse.de>
17427 * builtins.c (expand_builtin_sincos): New function.
17428 (expand_builtin_mathfn_3): Remove dead code, sin and cos
17430 (expand_builtin): Expand sincos using expand_builtin_sincos.
17432 2006-01-12 DJ Delorie <dj@redhat.com>
17434 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
17435 shift counts, separate SI shifts for m32c vs m16c, pass shift type
17436 so that constant shifts can be split.
17437 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
17438 (m32c_valid_pointer_mode): Make static.
17439 (shift_gen_func_for): New.
17440 (m32c_prepare_shift): Use it. Split large const shifts into
17442 * config/m32c/predicates.md (shiftcount_operand): Allow more
17444 (longshiftcount_operand): New.
17445 * doc/md.texi (Machine Constraints): Document In6.
17447 2006-01-13 Ben Elliston <bje@au.ibm.com>
17449 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
17450 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
17453 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
17455 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
17456 to try to avoid clobbering pieces of structures when we know
17457 something about the whole structure.
17458 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
17460 2006-01-13 Ben Elliston <bje@au.ibm.com>
17462 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
17463 return in memory, as this is no limitation is no longer present.
17465 2006-01-12 DJ Delorie <dj@redhat.com>
17467 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
17468 mova with fb, and for fb+0 -> An.
17470 * config/m32c/mov.md (peephole2): Fix enabling logic.
17472 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
17473 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
17474 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
17475 FINI_ARRAY_SECTION_ASM_OP): Define.
17477 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
17479 (m32c_legitimize_reload_address): New logic to reload FB to An.
17480 (m32c_output_reg_push): Add newline.
17481 (m32c_output_reg_pop): Likewise.
17483 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
17485 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
17487 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
17489 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
17491 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17493 * config/sh/predicates.md (sh_rep_vec): Add parallel to
17496 2006-01-11 Ben Elliston <bje@au.ibm.com>
17498 * rtlanal.c (find_reg_note): Assert insn is not null.
17500 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17502 * df-scan.c (df_hard_reg_init): Move declaration of i outside
17505 2006-01-11 Jeff Law <law@redhat.com>
17507 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
17509 (mark_threaded_blocks, register_jump_thread): New functions.
17510 (thread_through_all_blocks): Remove unwanted argument. No
17511 longer rely on e->aux to communicate thread target info.
17512 Call mark_threaded_blocks. Release the threaded_blocks
17513 bitmap and threaded_edges vector when complete.
17514 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
17515 (threaded_blocks): Remove.
17516 (tree_ssa_dominator_optimize): Remove initialization and
17517 finalization of threaded_blocks. Simplify call to
17518 thread_through_all_blocks.
17519 (thread_across_edge): Call register_jump_thread rather than
17520 storing thread information into e->aux.
17521 (free_all_edge_infos): Simplify now that e->aux is no longer
17522 used to communicate with thread_through_all_blocks.
17523 * tree-flow.h (thread_through_all_blocks): Update prototype.
17524 (register_jump_thread): Prototype.
17526 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17528 * df-core.c (df_compact_blocks, df_bb_replace): Use
17529 SET_BASIC_BLOCK instead of BASIC_BLOCK.
17531 2006-01-11 Richard Guenther <rguenther@suse.de>
17533 PR tree-optimization/25734
17534 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
17535 stop propagation after successful propagation to the LHS.
17537 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17539 * basic-block.h (control_flow_graph): Change the type of
17540 x_basic_block_info to VEC(basic_block,gc) *.
17541 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
17543 (SET_BASIC_BLOCK): New.
17544 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
17545 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
17546 * cfgbuild.c (find_basic_blocks): Likewise.
17547 * cfglayout.c (fixup_reorder_chain): Likewise.
17548 * cfgrtl.c (create_basic_block_structure,
17549 rtl_create_basic_block): Likewise.
17550 * ifcvt.c (find_if_case_1): Likewise.
17551 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
17554 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17556 * Makefile.in: Removed rotted odf.c entry.
17558 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
17561 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
17562 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
17563 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
17564 output pattern modifier, not %e.
17565 * config/cris/cris.c (cris_op_str): Update comment about pattern
17567 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
17568 before falling through into...
17569 <case 'E'>: Redefined from old 'e' case.
17571 2006-01-11 Jan Hubicka <jh@suse.cz>
17574 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
17576 2006-01-11 Jan Hubicka <jh@suse.cz>
17578 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
17579 * i386.c (x86_decompose_lea): Kill.
17580 (ix86_rtx_costs): Kill.
17582 2006-01-11 Jan Hubicka <jh@suse.cz>
17584 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
17585 * cgraph.h (cgraph_node): Add inline_decl.
17586 (cgraph_insert_node_to_hashtable): Declare.
17587 (save_inline_function_body): Declare.
17588 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
17590 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
17591 (cgraph_function_versioning): Update call of tree_function_versioning.
17592 (save_inline_function_body): New function.
17593 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
17594 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
17595 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
17596 (cgraph_default_inline_p): Likewise.
17597 (cgraph_decide_inlining_incrementally): Likewise.
17598 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
17599 (copy_bb): Kill saving; do updating of clones.
17600 (copy_cfg_body): Kill saving.
17601 (initialize_inlined-parameters): Likewise.
17602 (expand_call_inline): Likewise.
17604 (tree_function_versioning): New parameter "update_clones".
17605 (inlining_p): Kill saving.
17606 * tree-inline.h (tree_function_versioning): Update prototype.
17607 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
17610 2006-01-11 Ian Lance Taylor <ian@airs.com>
17612 * combine.c (struct undo): Remove is_int. Enumify types of undos.
17613 Allow undoing set of machine mode.
17614 (do_SUBST): Use enums instead of is_int.
17615 (do_SUBST_MODE): New function.
17616 (SUBST_MODE): New macro.
17617 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
17618 reg and trying to replace reg_regno_rtx with a new register.
17619 (undo_all): Use new enums, handle undoing a PUT_MODE change.
17620 (simplify_set): Use SUBST_MODE.
17621 (distribute_notes): Remove code that tried to update reg notes
17622 for regno_reg_rtx changes.
17624 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
17626 PR tree-optimization/23109
17627 PR tree-optimization/23948
17628 PR tree-optimization/24123
17630 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
17631 * tree-cfg.c (single_noncomplex_succ): New.
17632 * tree-flow.h (single_noncomplex_succ): Declare it.
17633 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17634 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17635 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
17636 insert_bb, register_division_in, insert_reciprocals,
17637 replace_reciprocal, free_bb): New.
17638 (execute_cse_reciprocals_1): Rewritten.
17639 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
17640 Do not commit any edge insertion. Always compute dominators and
17641 create the allocation pool.
17642 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
17643 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
17644 * targhooks.c (default_min_divistions_for_recip_mul): New.
17645 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
17646 * passes.c (init_optimization_passes): Run recip after tree loop
17648 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
17650 2006-01-11 Danny Berlin <dberlin@dberlin.org>
17651 Kenneth Zadeck <zadeck@naturalbridge.com>
17653 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
17654 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
17655 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
17656 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
17657 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
17658 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
17659 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
17660 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
17661 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
17662 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
17663 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
17664 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
17665 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
17666 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
17667 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
17668 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
17669 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
17670 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
17671 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
17672 DF_SCAN_POST_ALLOC): New macros.
17673 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
17674 df_free_bb_function, df_local_compute_function, df_init_function,
17675 df_dataflow_function, df_confluence_function_0,
17676 df_confluence_function_n, df_transfer_function,
17677 df_finalizer_function, df_free_function, df_dump_problem_function,
17678 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
17679 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
17680 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
17681 df_urec_bb_info, ) New types.
17682 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
17684 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
17685 df_analyze_simple_change_some_blocks,
17686 df_analyze_simple_change_one_block, df_compact_blocks,
17687 df_bb_replace, df_bb_regno_last_use_find,
17688 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
17689 df_insn_regno_def_p, df_find_def, df_find_use,
17690 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
17691 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
17692 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
17693 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
17694 debug_df_chain, df_get_dependent_problem, df_chain_create,
17695 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
17696 df_grow_bb_info, df_chain_dump, df_print_bb_index,
17697 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
17698 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
17699 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
17700 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
17701 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
17702 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
17703 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
17704 df_ref_remove, df_insn_refs_delete, df_refs_delete,
17705 df_reorganize_refs, df_set_state, df_hard_reg_init,
17706 df_read_modify_subreg_p) New public functions.
17707 * df-core.c: The core dataflow solver and glue routines for rtl
17709 (df_init, df_add_problem, df_set_blocks, df_finish,
17710 df_hybrid_search_forward, df_hybrid_search_backward,
17711 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
17712 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
17713 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
17714 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
17715 df_reg_defined, df_find_use, df_reg_used, df_dump,
17716 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
17717 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
17718 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
17719 debug_df_useno, reset_df_after_reload): New functions.
17720 * df-scan.c: The scanning fuctions, once in df.c, completely
17721 rewritten so that they now fully model the functionality of
17722 register usage at the backend.
17723 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
17724 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
17725 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
17726 df_grow_insn_info, df_rescan_blocks, df_ref_create,
17727 df_get_artificial_defs, df_get_artificial_uses,
17728 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17729 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17730 df_refs_delete, df_reorganize_refs, df_set_state,
17731 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17732 df_def_record_1, df_defs_record, df_uses_record,
17733 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17734 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17735 df_record_exit_block_uses, df_hard_reg_init): New functions.
17737 * df-problems.c: Seven concrete dataflow problems that use the
17738 scanning in df-scan.c and are solved by the engine in df-core.c.
17739 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17740 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17741 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17742 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17743 df_ru_free_bb_info, df_ru_alloc,
17744 df_ru_bb_local_compute_process_def,
17745 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17746 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17747 df_ru_transfer_function, df_ru_free, df_ru_dump,
17748 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17749 df_rd_free_bb_info, df_rd_alloc,
17750 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17751 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17752 df_rd_transfer_function, df_rd_free, df_rd_dump,
17753 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17754 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17755 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17756 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17757 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17758 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17759 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17760 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17761 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17762 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17763 df_urec_mark_reg_change, df_urec_check_earlyclobber,
17764 df_urec_mark_reg_use_for_earlyclobber,
17765 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17766 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17767 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17768 df_urec_dump, df_urec_add_problem, df_chain_alloc,
17769 df_chain_create_bb_process_use, df_chain_create_bb,
17770 df_chain_finalize, df_chain_free, df_chains_dump,
17771 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17772 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17773 df_reg_lifetime): New functions.
17774 * df.c: Deleted file.
17775 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17776 consistent with new df api.
17777 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17778 rest_of_handle_sms): Ditto.
17779 * web.c (unionfind_union, union_defs, entry_register, web_main):
17781 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17782 invariant_expr_equal_p, find_defs, check_dependencies,
17783 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17784 free_inv_motion_data, move_loop_invariants): Ditto.
17785 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17786 Update dependencies.
17787 (odf.c): Added defective entry that was deleted later in day.
17788 * sched-deps.c (sched_analyze_1): Ditto.
17790 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17792 * tree-ssa-operands.c (get_expr_operands): Record addressable
17793 variables directly. Do not call add_stmt_operands for CONST_DECLs
17795 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17796 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17798 2006-01-11 Ben Elliston <bje@au.ibm.com>
17800 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17801 function returns true in the positive case.
17803 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17806 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17807 for SI, DI, SF and DF modes. Add alternatives to copy between
17808 general and floating point registers to the 32-bit patterns.
17809 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17810 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17811 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17812 generating 64-bit code.
17813 * config/pa/pa.c (output_move_double): Handle copies between general
17814 and floating registers.
17816 2006-01-10 Stuart Hastings <stuart@apple.com>
17818 * config/i386/i386.md (set_got): Update.
17819 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17820 (builtin_setjmp_receiver): Mach-O support.
17821 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17822 (GOT_SYMBOL_NAME): Define.
17823 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17824 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17825 * config/i386/i386.c (override_options): Revise for Darwin.
17826 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17827 support. (darwin_x86_file_end): New. (output_set_got): Add label
17828 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17829 * config/i386/i386-protos.h (output_set_got): Likewise.
17830 * config/darwin.c (machopic_legitimize_pic_address): Update
17833 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17835 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17836 when MODE isn't BLKmode.
17838 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17840 PR rtl-optimization/25367
17841 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17843 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17846 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17847 for a negative bound.
17849 2006-01-10 Richard Guenther <rguenther@suse.de>
17851 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17852 Never override with anything constraint.
17854 2006-01-10 Jan Beulich <jbeulich@novell.com>
17856 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17857 256 bits when optimize_size.
17859 2006-01-10 Jan Beulich <jbeulich@novell.com>
17861 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17863 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17864 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17867 2006-01-10 Ben Elliston <bje@au.ibm.com>
17869 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17871 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17872 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17873 (USE_FP_FOR_ARG): Reject decimal float modes.
17874 (function_arg_advance): Likewise.
17875 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17876 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17877 point types in AltiVec vectors.
17878 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17879 (rs6000_libcall_value): Likewise.
17881 2006-01-09 Bob Wilson <bob.wilson@acm.org>
17883 * config/xtensa/ieee754-df.S: New file.
17884 * config/xtensa/ieee754-sf.S: New file.
17885 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
17886 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
17887 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
17889 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
17891 * config/sh/predicates.md (binary_float_operator,
17892 binary_logical_operator, commutative_float_operator,
17893 equality_comparison_operator, greater_comparison_operator,
17894 less_comparison_operator, logical_operator,
17895 noncommutative_float_operator, shift_operator,
17896 symbol_ref_operand, unary_float_operator): Remove redundant
17899 2006-01-09 Jeff Law <law@redhat.com>
17901 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
17902 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
17903 now unused arguments. Callers updated.
17904 (eliminate_redundant_computations): Remove now unused arguments,
17906 (local_fold): Remove, no longer used.
17907 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
17909 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
17910 (simplify_cond): New function.
17911 (forward_propagate_into_cond): Call simplify_cond.
17913 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
17915 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
17916 (*vec_extractv2di_1_sse): New.
17918 2006-01-09 Ben Elliston <bje@au.ibm.com>
17920 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
17922 2006-01-08 Richard Guenther <rguenther@suse.de>
17924 * tree-ssa-structalias.c (get_constraint_for): Remove
17925 anyoffset argument.
17926 (get_constraint_for_component_ref): Likewise.
17927 (do_deref): Likewise.
17928 (get_constraint_for): Likewise.
17929 (do_structure_copy): Likewise.
17930 (handle_ptr_arith): Likewise.
17931 (find_func_aliases): Likewise. Remove unused need_anyoffset
17934 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
17935 Kaz Kojima <kkojima@gcc.gnu.org>
17937 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
17938 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
17939 (EXTRA_CONSTRAINT_C16): Remove.
17940 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
17941 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
17942 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
17943 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
17944 constants of SHmedia. Handle nested constant expressions of
17946 (andcosts): Fix the costs for SHmedia constants.
17947 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
17948 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
17949 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
17950 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
17951 (movv4hi_i, movv2si_i): Likewise.
17952 (movsi_const): Adjust the second operand of ior so to match with
17953 the Csu constraint.
17954 (movdi_const, movdi_const_32bit): Likewise.
17955 (movdi_const_16bit+1): Don't sign-extend LOW.
17956 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
17958 (*double_shori): Fix the split condition. Use GEN_INT instead
17959 of get_int_mode calls. Mask lower 16-bit of the argument of
17961 (sym2GOTPLT): Remove.
17962 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
17964 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
17965 instead of EXTRA_CONSTRAINT_C16.
17967 2006-01-07 Ian Lance Taylor <ian@airs.com>
17968 David Edelsohn <edelsohn@gnu.org>
17970 PR rtl-optimization/25662
17971 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
17972 for constant operands instead of simplify_gen_binary.
17973 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
17974 after trying simplify_binary_operation
17976 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17978 * tree.c (iterative_hash_expr): Hash decls based on UID.
17980 2006-01-06 Eric Christopher <echristo@apple.com>
17982 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17983 (TARGET_UNWIND_EMIT): Fix spelling.
17984 * target.h (gcc_target): Add except_table_label.
17985 * except.c (output_function_exception_table): Use.
17986 * varasm.c (default_emit_except_table_label): New.
17987 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17989 (asm_out): Add here.
17990 * output.h (default_emit_except_table_label): Prototype.
17991 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17992 * config/darwin.c (darwin_emit_except_table_label): Define.
17993 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17995 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17997 PR tree-optimization/18527
17998 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17999 number_of_iterations_special, number_of_iterations_exit):
18000 Move base and step of an iv to a single structure. Add
18001 no_overflow flag, and use it in # of iterations analysis.
18002 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
18003 folded_casts argument.
18004 (simple_iv): Pass base and step in a structure. Set no_overflow
18006 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
18007 Evaluate expensiveness of computing # of iterations instead of
18008 the final expression.
18009 * tree-scalar-evolution.h (affine_iv): New structure.
18010 (simple_iv): Declaration changed.
18011 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
18012 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
18013 find_givs_in_stmt): Changed due to simple_iv change.
18015 2006-01-06 Jeff Law <law@redhat.com>
18018 * tree-cfg.c (bsi_replace): Rename final argument from
18019 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
18020 change (stmt -> orig_stmt).
18021 * tree-eh.c (verify_eh_throw_stmt_node): New function.
18022 (bsi_remove): Add new argument. Remove EH information
18024 (verify_eh_throw_table_statements): New function.
18025 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
18027 * tree-optimize.c (execute_free_cfg_annotations): Verify
18028 the EH throw statement table after removing annotations.
18029 * except.h (verify_eh_throw_table_statements): Prototype.
18030 * tree-flow.h (bsi_remove): Update prototype.
18031 * tree-vrp.c (remove_range_assertions): Add new argument to
18033 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
18034 * tree-complex.c (expand_complex_div_wide): Likewise.
18035 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
18036 * tree-tailcall.c (eliminate_tailcall): Likewise.
18037 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
18038 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
18039 * tree-nrv.c (tree_nrv): Likewise.
18040 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
18041 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
18042 (combine_blocks): Likewise.
18043 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
18044 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
18045 (cleanup_control_flow): Likewise.
18046 (remove_forwarder_block): Likewise.
18047 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
18048 * tree-sra.c (sra_replace): Likewise.
18049 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
18050 (forward_propagate_single_use_vars): Likewise.
18051 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
18052 * tree-inline.c (expand_call_inline): Likewise.
18053 * tree-vect-transform.c (vect_transform_loop): Likewise.
18054 * tree-outof-ssa.c (rewrite_trees): Likewise.
18055 * tree-cfg.c (make_goto_expr_edges): Likewise.
18056 (cleanup_dead_labels): Likewise.
18057 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
18058 (bsi_move_before, bsi_move_after): Likewise.
18059 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
18060 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
18062 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
18065 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
18067 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
18068 on non gimple variables. Also add checks at the top for decls and
18070 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
18072 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
18073 and IMAGPART_EXPR for creating MUST_DEFs.
18074 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
18075 and NAME_MEMORY_TAG separately from the DECLs.
18077 2006-01-06 Richard Guenther <rguenther@suse.de>
18079 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
18080 annotation, if necessary.
18081 * tree-ssa-pre.c (create_expression_by_pieces): Remove
18082 redundant calls to update_stmt.
18083 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
18086 2006-01-05 Richard Henderson <rth@redhat.com>
18088 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
18090 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18092 * c-typeck.c: Update copyright date.
18094 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18096 * c-typeck.c (build_c_cast): Always warn when casting
18097 from a pointer to an integer of different size, even if
18098 the node was constant.
18100 2006-01-05 Richard Guenther <rguenther@suse.de>
18102 PR tree-optimization/22555
18103 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
18104 if one structure field is an array.
18105 * tree-ssa-operands.c (get_expr_operands): Continue scanning
18106 operands even if we found a subvar, but ignore VOPs in this
18108 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
18110 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
18112 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
18114 PR middle-end/24998
18115 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
18117 2006-01-05 Richard Guenther <rguenther@suse.de>
18118 Diego Novillo <dnovillo@redhat.com>
18120 * tree-pass.h (TODO_remove_unused_locals): Define.
18121 * gimple-low.c (expand_var_p, remove_useless_vars,
18122 pass_remove_useless_vars): Remove. Update all users.
18123 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
18124 (remove_unused_locals): New function.
18125 * tree-flow.h (remove_unused_locals): Declare.
18126 * passes.c (execute_todo): Call remove_unused_locals if
18127 TODO_remove_unused_locals is set.
18128 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
18129 * tree-ssa-dce.c (pass_dce): Likewise.
18130 * tree-outof-ssa.c (pass_del_ssa): Likewise.
18132 2006-01-05 Richard Guenther <rguenther@suse.de>
18134 * tree-flow.h (struct fieldoff): Decompose field to
18135 type, size and decl.
18136 * tree-ssa-alias.c (create_sft): Take type as parameter.
18137 (create_overlap_variables_for): Store type, size and decl
18138 in the fieldoff structure.
18139 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
18140 of struct fieldoff.
18141 (push_fields_onto_fieldstack): Likewise.
18142 (create_variable_info_for): Likewise. Use offset for the
18143 SFT name if the decl is not available.
18145 2006-01-04 Paul Brook <paul@codesourcery.com>
18147 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
18149 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
18151 * lambda-code.c (can_put_in_inner_loop): Relax
18153 (can_put_after_inner_loop): New function.
18154 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
18155 (perfect_nestify): Change to make copies and modify uses.
18157 2006-01-04 Richard Henderson <rth@redhat.com>
18159 Merge from gomp branch:
18160 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
18161 via integer constant.
18162 (pragma_lex): Remove.
18163 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
18164 rather than parsing it.
18165 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
18166 handle_pragma_extern_prefix): Add %< %> quotes.
18167 (registered_pragmas): New.
18168 (c_register_pragma_1): New.
18169 (c_register_pragma): Use it.
18170 (c_register_pragma_with_expansion): Likewise.
18171 (c_invoke_pragma_handler): New.
18172 (init_pragma): Use cpp_register_deferred_pragma directly for
18174 * c-pragma.h (enum pragma_kind): New.
18175 (pragma_handler): New.
18176 (c_invoke_pragma_handler): Declare.
18177 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
18179 * c-common.h (c_common_pch_pragma): Update decl.
18180 * Makefile.in (c-parser.o): Update dependencies.
18181 (GTFILES): Add c-pragma.h.
18182 * c-parser.c (struct c_token): Add pragma_kind.
18183 (struct c_parser): Add in_pragma.
18184 (c_lex_one_token): Always initialize keyword and pragma_kind.
18185 Extract data for CPP_PRAGMA.
18186 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
18187 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
18188 Don't allow CPP_PRAGMA_EOL if in_pragma.
18189 (c_parser_consume_pragma): New.
18190 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
18191 (c_parser_skip_to_end_of_parameter): Likewise.
18192 (c_parser_skip_to_end_of_block_or_statement): Likewise.
18193 (c_parser_skip_to_pragma_eol): New.
18194 (c_parser_external_declaration): Handle CPP_PRAGMA.
18195 (c_parser_compound_statement_nostart): Likewise.
18196 (c_parser_statement_after_labels): Likewise.
18197 (c_parser_pragma): New.
18198 (pragma_lex): Likewise.
18199 (c_parser_pragma_pch_preprocess): New.
18200 (c_parser_new): Merge into ...
18201 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
18203 2006-01-04 Jeff Law <law@redhat.com>
18206 * tree-cfg.c (bsi_replace): Remove the original statement
18207 from the EH throw statement table.
18209 2006-01-04 Jakub Jelinek <jakub@redhat.com>
18211 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
18212 make the prototype extern "C" and add throw ().
18215 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
18216 and pos non-negative and pos + len <= 32.
18217 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
18218 drop pos + len < HOST_BITS_PER_WIDE_INT test.
18219 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
18222 * c-common.c (handle_vector_size_attribute): Reject zero vector size
18223 as well as sizes not multiple of component size.
18226 * function.c (instantiate_expr): New function.
18227 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
18228 walk its DECL_VALUE_EXPR with instantiate_expr.
18230 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
18231 DW_OP_deref{,_size} if address isn't going to be added.
18233 2006-01-04 Ben Elliston <bje@au.ibm.com>
18235 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
18236 * config/fp-bit.c: Likewise.
18238 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
18240 * dominance.c: Add comment about why we use DFS numbering
18243 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18244 Richard Henderson <rth@redhat.com>
18246 Merge from gomp-branch:
18247 * varasm.c (assemble_variable): Handle thread-local COMMON data.
18248 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
18250 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
18252 PR rtl-optimization/25578
18253 * combine.c (combine_simplify_rtx, force_to_mode): Don't
18254 pass a parameter to simplify_shift_const if changing ASHIFTRT
18257 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
18259 * builtins.c (get_builtin_sync_mem): New function.
18260 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
18261 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
18262 Call get_builtin_sync_mem to generate mem rtx.
18264 2006-01-03 Richard Guenther <rguenther@suse.de>
18267 * stmt.c (add_case_node): Make sure to clear overflow flags
18270 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18272 Merge from gomp-branch.
18273 * config/sparc/sync.md: New file.
18274 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
18275 UNSPECV_LDSTUB): New constants.
18276 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
18277 * config/sparc/predicates.md (memory_reg_operand): New predicate.
18278 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
18281 2006-01-03 Roger Sayle <roger@eyesopen.com>
18283 * combine.c (reg_subword_p): New predicate to test whether the
18284 destination of a set refers to a subword/piece of a register.
18285 (try_combine): Generalize the code to merge the setting of a
18286 pseudo to a constant followed by a set of a subword of that
18287 register to a constant.
18289 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
18291 * basic-block.h (control_flow_graph): Change the type of
18292 x_label_to_block_map to VEC(basic_block,gc) *.
18293 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
18294 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
18296 * tree-ssa-propagate.c (cfg_blocks): Change the type to
18297 VEC(basic_block,heap) *.
18298 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
18299 ssa_prop_fini): Adjust the uses of cfg_blocks.
18301 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
18303 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
18305 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
18306 hashing trees instead of a pointer hash.
18307 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
18308 compare for MEM_EXPR.
18310 PR rtl-optimization/25130
18311 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
18312 when comparing MEMs for GCSE
18314 2006-01-03 Ben Elliston <bje@au.ibm.com>
18316 * targhooks.h (default_decimal_float_supported_p): Declare.
18317 * targhooks.c (default_decimal_float_supported_p): Define.
18318 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
18319 `default_decimal_float_supported_p'.
18320 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
18322 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
18324 * combine.c (apply_distributive_law <SUBREG>): Check
18325 TRULY_NOOP_TRUNCATION.
18327 2006-01-02 Geoffrey Keating <geoffk@apple.com>
18329 * dwarf2out.c (have_switched_text_section): Delete.
18330 (have_multiple_function_sections): New.
18331 (have_location_lists): Make 'bool'.
18332 (add_AT_loc_list): Use 'true' not '1'.
18333 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
18334 (output_loc_list): Use have_multiple_function_sections.
18335 (output_ranges): Likewise.
18336 (dwarf2out_begin_function): Set have_multiple_function_sections if
18338 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
18339 Check function_section rather than DECL_SECTION_NAME.
18340 (dwarf2out_finish): Use have_multiple_function_sections.
18341 Don't clear have_location_lists.
18343 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
18344 Jan Hubicka <jh@suse.cz>
18346 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
18347 case of conditional jump jumping to the next instruction.
18348 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
18349 cases of conditional jump jumping to the next instruction.
18351 2006-01-02 Jan Hubicka <jh@suse.cz>
18353 * i386.c (*_cost): Add COSTS_N_INSNS.
18354 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
18356 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
18359 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
18361 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
18363 * config/arm/arm.c (all_fpus): Fix comment typo.
18364 * config/darwin.c: Likewise.
18365 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
18366 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
18367 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
18369 2006-01-01 David Edelsohn <edelsohn@gnu.org>
18371 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
18372 (rs6000_split_compare_and_swapqhi): New.
18373 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
18374 (sync_compare_and_swapqhi_internal): New.
18375 * config/rs6000/rs6000-protos.h: Declare.