1 2006-11-14 Joseph Myers <joseph@codesourcery.com>
3 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
4 iwmmxt_nregs if TARGET_IWMMXT_ABI.
5 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
6 movv2si_internal): Support moves between core registers.
8 2006-11-14 Eric Christopher <echristo@apple.com>
10 * configure: Regenerate with autoconf 2.59.
12 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
14 Fix PR tree-optimization/27755
16 * tree-ssa-pre.c: Update comments.
17 (bb_bitmap_sets): Add pa_in and deferred member.
18 (BB_DEFERRED): New macro.
19 (maximal_set): New variable.
20 (pre_stats): Add pa_insert member.
21 (bitmap_set_and): Short circuit orig == dest.
22 (bitmap_set_subtract_values): New function.
23 (bitmap_set_contains_expr): Ditto.
24 (translate_vuses_through_block): Add phiblock argument.
25 (dependent_clean): New function.
26 (compute_antic_aux): Update for maximal_set changes.
27 (compute_partial_antic_aux): New function.
28 (compute_antic): Handle partial anticipation.
29 (do_partial_partial_insertion): New function.
30 (insert_aux): Handle partial anticipation.
31 (add_to_sets): Add to maximal set.
32 (compute_avail): Ditto.
33 (init_pre): Initialize maximal_set.
34 (execute_pre): Do partial anticipation if -O3+.
36 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
38 PR rtl-optimization/29798
40 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
41 TARGET_INSN before any other check.
42 (fwprop_init): Always calculate dominators.
43 (fwprop_done): Always free them.
45 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
47 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
50 2006-11-13 DJ Delorie <dj@redhat.com>
52 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
53 temporary for intermediates.
55 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
57 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
58 (sh_optimize_target_register_callee_saved): #if 0 the code
59 using NOTE_INSN_LOOP_{BEG,END}.
61 2006-11-13 Roger Sayle <roger@eyesopen.com>
63 * fold-const.c (optimize_bit_field_compare): Recursively call
64 fold when simplifying non-constant comparisons between bit-fields.
66 2006-11-13 Jakub Jelinek <jakub@redhat.com>
68 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
72 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
74 * config/rs6000/cell.md: New file.
75 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
77 (ppccell_cost): New cost matrix.
78 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
79 (rs6000_override_options): Set rs6000_always_hint to false
80 for cell. Also align functions/lables/loops to 8byte
81 for the Cell. Use PROCESSOR_CELL.
82 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
84 (rs6000_variable_issue): If the insn is a nonpipelined instruction
85 on the Cell, return 0.
86 (rs6000_adjust_cost): Add Cell cost adjustments.
87 (is_microcoded_insn): Return true for Cell microcoded
89 (is_nonpipeline_insn): New function.
90 (rs6000_issue_rate): Add PROCESSOR_CELL.
91 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
93 (rs6000_use_sched_lookahead_guard): New function.
94 (rs6000_sched_reorder): Reorder the ready list, if the second
95 to last ready insn is a nonepipeline insn on the Cell.
96 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
97 (ASM_CPU_SPEC): Add Cell.
98 * config/rs6000/rs6000.md (cpu): Add Cell.
99 (cell_micro): New Attr.
102 2006-11-13 Jakub Jelinek <jakub@redhat.com>
104 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
106 * configure: Rebuilt.
108 2006-11-13 Richard Guenther <rguenther@suse.de>
110 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
112 (ix86_expand_lfloorceil): Likewise.
113 (ix86_expand_rint): Likewise.
114 (ix86_expand_floorceildf_32): Likewise.
115 (ix86_expand_floorceil): Likewise.
116 (ix86_expand_rounddf_32): Likewise.
117 (ix86_expand_truncdf_32): Likewise.
118 (ix86_expand_round): Likewise.
120 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
121 Mark Mitchell <mark@codesourcery.com>
123 * gcc.c: Organize search path variables into $prefix relative,
124 and well-known native. Add comments.
125 (add_sysrooted_prefix): Add comment.
126 (process_command): If !gcc_exec_prefix add $prefix based paths.
127 If *cross_compile == '0', add native well-known paths.
128 Assert tooldir_base_prefix is always relative.
129 (main): If print_search_dirs, and if gcc_exec_prefix is set,
130 use this value for 'install:' path.
131 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
133 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
135 * config/i386/i386.c: Fix a typo in comment.
137 2006-11-13 Michael Matz <matz@suse.de>
139 * genemit.c (gen_expand): Allocate enough memory.
141 2006-11-13 Joseph Myers <joseph@codesourcery.com>
143 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
144 __GXX_TYPEINFO_EQUALITY_INLINE but not
145 __GXX_MERGED_TYPEINFO_NAMES.
146 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
147 __GXX_MERGED_TYPEINFO_NAMES.
148 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
149 __GXX_TYPEINFO_EQUALITY_INLINE.
151 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
152 Zdenek Dvorak <dvorakz@suse.cz>
154 PR tree-optimization/29680
155 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
158 2006-11-12 Jason Merrill <jason@redhat.com>
159 Andrew Pinski <pinskia@physics.uc.edu>
162 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
164 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
166 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
167 * tree.c (build_vector): Handle non-_CST elements.
169 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
171 * genemit.c (gen_insn): Call gen_exp with a non-null used
172 when handling multiple insns.
173 (gen_expand): Likewise.
174 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
175 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
176 (movsi_const_16bit+1): Copy operands[1].
177 (call_pcrel): Copy the call_site pattern.
178 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
180 2006-11-12 Roger Sayle <roger@eyesopen.com>
182 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
183 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
184 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
185 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
187 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
189 Fix PR tree-optimization/29587
190 * tree-ssa-structalias.c (process_constraint): Don't
191 mark address taken due only to escaped vars constraint.
193 2006-11-12 Michael Matz <matz@suse.de>
194 Roger Sayle <roger@eyesopen.com>
196 PR rtl-optimization/29797
197 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
198 BITS_BIG_ENDIAN targets.
200 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
202 * builtins.c (fold_builtin_cosh): New.
203 (fold_builtin_1): Use it.
204 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
205 trunc to the list of "odd" functions. Also add llrint, lrint,
206 rint and nearbyint when flag_rounding_math is false.
208 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
210 * tree-flow.h (name_mappings_registered_p): Declare.
211 * tree-into-ssa.c (name_mappings_registered_p): New function.
212 * tree-cfg.c (tree_can_merge_blocks_p): Check
213 name_mappings_registered_p instead of need_ssa_update_p.
215 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
217 * tree-ssa-loop.c (tree_vectorize): Return the result of
219 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
221 * tree-vectorizer.h (vectorize_loops): Declaration removed.
222 * tree-flow.h (vectorize_loops): Declaration changed.
224 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
226 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
228 (issue_prefetch_ref): Move assignment to write_p out of loop.
229 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
230 SIMULTANEOUS_PREFETCHES into account.
231 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
232 * lambda-code.c (lcm): Renamed to ...
233 (least_common_multiple): ... and exported.
234 * tree-flow.h (least_common_multiple): Declare.
236 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
238 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
239 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
240 ud-chains. Handle AND_EXPR.
241 (record_estimate): Record whether the estimate is realistic
242 and whether it is derived from a loop exit.
243 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
244 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
246 (compute_estimated_nb_iterations): Take only realistic bounds into
247 account. Set estimate_state. Use double_ints.
248 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
249 and infer_loop_bounds_from_signedness. Do not consider basic blocks
250 that do not have to be always executed.
251 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
252 to determine whether to call infer_loop_bounds_from_undefined
253 and compute_estimated_nb_iterations.
254 (n_of_executions_at_most): Use double_ints.
255 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
256 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
257 * double-int.c (double_int_to_tree): Improve comment.
258 (double_int_fits_to_tree_p): New function.
259 * double-int.h (double_int_fits_to_tree_p): Declare.
260 * tree-data-ref.c: Include langhooks.h.
261 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
262 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
263 (analyze_array): Do not pass estimate_only argument to
264 analyze_array_indexes.
265 (get_number_of_iters_for_loop): Build tree from the stored double_int
267 (get_references_in_stmt, find_data_references_in_stmt): New functions.
268 (find_data_references_in_loop): Use find_data_references_in_stmt.
269 * tree-data-ref.h (struct data_ref_loc_d): New.
270 (get_references_in_stmt): Declare.
271 (estimate_iters_using_array): Declaration removed.
272 * cfgloop.h (struct nb_iter_bound): Change type of bound to
273 double_int. Improve comments. Add is_exit and realistic
275 (struct loop): Changed type of estimated_nb_iterations to double_int.
276 Added estimate_state field.
277 (record_estimate): Declaration removed.
279 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
281 * params.c (set_param_value): Initialize the "set" field.
282 * params.h (struct param_info): Add "set" field.
283 (PARAM_SET_P): New macro.
284 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
285 L1_CACHE_LINE_SIZE): New macros.
286 * toplev.c (DEFPARAM): Initialize the "set" field.
287 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
288 SIMULTANEOUS_PREFETCHES): Removed.
289 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
290 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
291 * config/sparc/sparc.c: Include params.h.
292 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
293 L1_CACHE_LINE_SIZE parameters.
294 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
296 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
298 * config/i386/i386.c: Include params.h.
299 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
300 (override_options): Set SIMULTANEOUS_PREFETCHES and
301 L1_CACHE_LINE_SIZE parameters.
302 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
303 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
304 L1_CACHE_LINE_SIZE parameters.
305 * config/ia64/ia64.c (ia64_optimization_options): Set
306 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
307 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
309 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
310 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
311 * doc/invoke.texi: Document new params.
313 2006-11-12 Roger Sayle <roger@eyesopen.com>
315 PR tree-optimization/13827
316 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
319 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
321 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
322 update_single_exit_for_duplicated_loops): New functions.
323 (duplicate_loop_to_header_edge): Use
324 update_single_exit_for_duplicated_loops.
325 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
326 functions only with ENABLE_CHECKING.
328 2006-11-12 Andreas Schwab <schwab@suse.de>
330 * except.c (sjlj_emit_function_enter): Remove unused variable.
332 2006-11-11 Roger Sayle <roger@eyesopen.com>
334 * fold-const.c (int_binop_types_match_p): New function.
335 (size_binop): Relax constraint that both arguments must both have
336 exactly the same sizetype type. Instead use int_binop_types_match_p.
337 (size_diffop): Likewise.
339 (make_range): Use build_int_cst instead of fold_convert.
340 (fold_cond_expr_with_comparison): Use build_int_cst to construct
341 integer constants of the correct type.
342 (fold_div_compare): Likewise.
343 (fold_single_bit_test): Likewise.
344 (fold_binary): Likewise.
345 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
346 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
348 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
351 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
352 non null value if the struct memory access is in the 0th
355 2006-11-12 Jie Zhang <jie.zhang@analog.com>
358 2006-11-11 Jie Zhang <jie.zhang@analog.com>
359 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
362 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
363 instead of builtin_define for bfin and BFIN.
365 2006-11-11 Jie Zhang <jie.zhang@analog.com>
367 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
370 2006-11-11 Jan Hubicka <jh@suse.cz>
372 * extended.texi (__builtin_expect): We no longer require second argument
374 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
375 * builtins.c (expand_builtin_expect): Simplify.
376 (expand_builtin_expect_jump): Kill.
377 * final.c (final_scan_insn): Do not skip the removed notes.
378 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
379 EXPECTED_VALUE): Remove.
380 * dojump.c (do_jump): Do not care about __builtin_expect.
381 * predict.c (expected_value_to_br_prob): Kill.
382 * function.c (expand_function_end): Do not expand
383 NOTE_INSN_REPEATED_LINE_NUMBER.
384 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
385 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
386 * cfgexpand.c (add_reg_br_prob_note): Export.
387 * cfgcleanup.c (rest_of_handle_jump2): Do not call
388 expected_value_to_br_prob.
389 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
390 * rtl.h (add_reg_br_prob_note): Declare.
392 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
394 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
396 2006-11-11 Jan Hubicka <jh@suse.cz>
398 * predict.c (predict_loops): Kill RTL variant.
400 2006-11-11 Jan Hubicka <jh@suse.cz>
402 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
403 * modulo-sched.c (find_line_note): Remove.
404 (loop_canon_p): Do not worry about line number notes.
405 (sms_schedule): Likewise.
406 * cse.c (cse_main): Likewise.
407 * regmove.c (fixup_match_1): Likewise
408 * function.c (emit_return_info_block): Likewise.
409 (expand_function_end): Likewise.
410 (thread_prologue_an_epilogue_insns): Likewise.
411 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
413 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
414 emit_note_copy_after): Kill.
415 (emit_note_copy): Do not worry about line numbers.
416 * jump.c (purge_line_number_notes): Kill.
417 (pass_purge_lineno_notes): Kill.
418 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
420 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
421 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
422 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
423 * tree-pass.h (pass_purge_lineno_notes): Kill.
424 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
425 rm_redundant_line_notes.
426 * sched-rgb.c (schedule_region): Don't rm_line_notes,
427 rm_redundant_line_notes.
428 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
429 * haifa-sched.c: Update comment about handling notes.
430 (unlink_line_notes): Kill.
431 (rm_line_notes): Kill.
432 (save_line_notes): Simplify.
433 (rm_redundant_line_notes): Kill.
435 2006-11-11 Richard Guenther <rguenther@suse.de>
437 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
438 Remove unused tree codes.
439 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
440 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
441 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
442 * tree.c (stabilize_reference): Likewise.
443 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
444 fold_unary): Likewise.
445 * tree-gimple.c (is_gimple_cast): Likewise.
446 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
447 * expr.c (expand_expr_real_1): Likewise.
448 * tree-eh.c (tree_could_trap_p): Likewise.
449 * gimplify.c (gimplify_expr): Likewise.
450 * tree-inline.c (estimate_num_insns_1): Likewise.
451 * tree-cfg.c (verify_expr): Likewise.
453 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
455 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
456 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
457 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
459 2006-11-11 Richard Sandiford <richard@codesourcery.com>
462 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
463 constraints accept neither registers or memories.
465 2006-11-11 Jie Zhang <jie.zhang@analog.com>
467 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
468 (NO_PROFILE_COUNTERS): Define as 1.
470 2006-11-10 Roger Sayle <roger@eyesopen.com>
472 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
473 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
475 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
477 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
479 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
481 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
482 (fold_builtin_hypot): Likewise.
483 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
485 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
487 2006-11-10 Roger Sayle <roger@eyesopen.com>
489 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
490 when attempting to build INTEGER_CSTs of non-integral types.
491 * expmed.c (make_tree): Use the correct type, i.e. the inner
492 type, when constructing the individual elements of a CONST_VECTOR.
494 2006-11-10 Jan Hubicka <jh@suse.cz>
496 * cse.c (cse_process_notes): Copy the propagated value.
497 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
499 * gcse.c (try_replace_reg): Copy the replacement.
500 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
501 (assign_386_stack_local): Always return copied memory expression
502 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
505 2006-11-10 Jan Hubicka <jh@suse.cz>
507 * final.c (final): Walk from first instruction.
508 * cfglayout.c (insn_locators_initialize): Remove line number notes.
510 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
513 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
515 (umulv8hi3_highpart): Ditto.
516 (vec_widen_smult_hi_v8hi): New expander.
517 (vec_widen_smult_lo_v8hi): Ditto.
519 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
522 * builtins.c (do_mpfr_arg3): New.
523 (fold_builtin_1): Handle builtins fma, fmin and fmax.
525 2006-11-09 Eric Christopher <echristo@apple.com>
530 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
531 * config.gcc (powerpc64-*-darwin*): New target.
532 * config.host: Ditto.
533 * config/rs6000/darwin64.h: New file.
534 * config/rs6000/x-darwin64: Ditto.
535 * config/rs6000/host-ppc64-darwin.c: Ditto.
537 2006-11-09 Steve Ellcey <sje@cup.hp.com>
539 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
540 routines for integer division.
542 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
544 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
546 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
549 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
551 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
553 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
554 simplify_subreg with BLKmode outer mode.
556 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
558 * doc/invoke.texi: Minor formatting fixes in option lists.
560 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
562 PR tree-optimization/29738
563 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
564 (ccp_lattice_t): Remove UNKNOWN_VAL.
565 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
566 Do not handle UNKNOWN_VAL.
567 (get_default_value): Set initial value of virtual operands to
569 (get_value): Always use get_default_value on uninitialized
571 (set_value_varying, surely_varying_stmt_p): New functions.
572 (set_lattice_value): Do not pass argument to get_value.
573 Do not handle UNKNOWN_VAL.
574 (likely_value): Follow the semantics described in the comment.
575 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
576 phi nodes DONT_SIMULATE_AGAIN.
577 (ccp_fold): Do not pass argument to get_value.
578 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
581 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
583 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
584 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
586 2006-11-08 Roger Sayle <roger@eyesopen.com>
588 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
589 test for inclusion rather than as a test for exclusion.
590 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
591 the condition after calling fold_binary.
592 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
593 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
594 * builtins.c (fold_builtin_isascii): Likewise.
595 (fold_builtin_isdigit): Likewise.
597 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
599 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
600 * configure: Regenerate.
602 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
604 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
605 enum argument instead of bool.
606 (vect_analyze_operations): Call vectorizable_type_promotion.
607 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
608 stmt_vec_info_type value.
609 (supportable_widening_operation, vectorizable_type_promotion): New
610 function declarations.
611 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
612 (vectorizable_type_promotion): New function.
613 (vect_transform_stmt): Call vectorizable_type_promotion.
614 * tree-vect-analyze.c (supportable_widening_operation): New function.
615 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
617 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
620 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
621 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
622 * tree-inline.c (estimate_num_insns_1): Add cases for above new
624 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
625 * expr.c (expand_expr_real_1): Likewise.
626 * optabs.c (optab_for_tree_code): Likewise.
627 (init_optabs): Initialize new optabs.
628 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
629 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
630 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
631 vec_unpacku_lo_optab): Initialize new optabs.
632 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
633 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
634 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
636 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
637 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
638 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
639 (vec_unpacku_lo_optab): New optabs.
640 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
641 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
642 (vec_widen_smult_hi, vec_widen_smult_lo): New.
643 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
644 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
645 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
647 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
648 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
649 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
650 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
651 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
652 implement the unsigned unpacking patterns.
653 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
654 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
655 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
656 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
657 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
658 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
659 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
660 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
661 multiplication patterns.
663 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
664 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
665 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
666 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
667 (rs6000_builtin_mul_widen_odd): New.
668 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
669 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
670 * tree-vectorizer.h (enum vect_relevant): New enum type.
671 (_stmt_vec_info): Field relevant chaned from bool to enum
673 (STMT_VINFO_RELEVANT_P): Updated.
674 (STMT_VINFO_RELEVANT): New.
675 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
676 instead of STMT_VINFO_RELEVANT_P.
677 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
678 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
679 and boolean variable with enum vect_relevant.
680 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
681 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
682 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
684 2006-11-08 Richard Henderson <rth@redhat.com>
686 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
687 vec_widen_umult_lo_v8hi): New.
688 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
689 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
691 * config/i386/i386.c (ix86_expand_sse_unpack): New.
692 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
693 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
694 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
695 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
696 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
697 vec_unpacks_lo_v4si): New.
699 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
701 * tree-vect-transform.c (vectorizable_type_demotion): New function.
702 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
703 (vect_analyze_operations): Call vectorizable_type_demotion.
704 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
705 stmt_vec_info_type value.
706 (vectorizable_type_demotion): New function declaration.
707 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
710 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
711 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
713 * tree-iniline.c (estimate_num_insns_1): Likewise.
714 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
715 * optabs.c (optab_for_tree_code): Likewise.
717 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
718 compared against the predicate of the result is not 'mode' (the input
719 to the function) but a mode with half the size of 'mode'.
720 (init_optab): Initialize new optabs.
721 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
723 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
725 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
726 (vec_pack_usat_optab): Initialize new optabs.
727 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
728 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
730 2006-11-08 Richard Henderson <rth@redehat.com>
732 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
733 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
734 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
735 (vec_interleave_highv4si, vec_interleave_lowv4si):
736 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
738 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
740 * tree-vect-transform.c (vectorizable_reduction): Support multiple
742 (vect_transform_stmt): Removed redundant code.
744 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
746 * tree-vect-transform.c (vectorizable_operation): Support multiple
749 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
751 * tree-vect-transform.c (vect_align_data_ref): Removed.
752 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
753 Updated function documentation. Return the increment stmt in ptr_incr.
754 (bump_vector_ptr): New function.
755 (vect_get_vec_def_for_stmt_copy): New function.
756 (vect_finish_stmt_generation): Create a stmt_info to newly created
758 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
760 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
761 VF is greater than the number of elements that can fit in one vector
763 (vectorizable_operation, vectorizable_condition): Likewise.
764 (vectorizable_store, vectorizable_load): Support the case that the VF
765 is greater than the number of elements that can fit in one vector word.
766 (vect_transform_loop): Don't fail in case of multiple data-types.
767 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
768 in case of multiple data-types; the smallest type determines the VF.
769 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
770 if they are of different sizes.
771 (vect_update_misalignment_for_peel): Compare misalignments in terms of
772 number of elements rather than number of bytes.
773 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
774 (vect_can_advance_ivs_p): Fix a dump printout
776 2006-11-07 Eric Christopher <echristo@apple.com>
778 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
780 * libgcc2.h: Remove transformation of bswap routines.
781 * config/i386/i386.md (bswapsi2): New.
784 2006-11-07 Jakub Jelinek <jakub@redhat.com>
786 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
787 (handle_gnu_inline_attribute): New function.
788 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
789 (merge_decls, start_decl, start_function): Likewise.
790 * doc/extend.texi: Document gnu_inline attribute.
792 2006-11-07 Steve Ellcey <sje@cup.hp.com>
795 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
796 _fixunstfdi, and _floatditf
798 2006-11-06 Anatoly Sokolov <aesok@post.ru>
800 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
802 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
803 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
804 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
805 which start in an odd register.
807 2006-11-07 Richard Sandiford <richard@codesourcery.com>
809 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
811 2006-11-07 Josh Conner <jconner@apple.com>
813 * doc/invoke.texi (fstrict-aliasing): Move implementation
815 * doc/tree-ssa.texi (Alias analysis): ...here.
817 2006-11-07 Richard Guenther <rguenther@suse.de>
819 PR tree-optimization/29610
820 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
821 of tree_purge_dead_eh_edges as it may free dominators.
823 * g++.dg/other/pr29610.C: New testcase.
825 2006-11-07 David Ung <davidu@mips.com>
827 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
828 costs when optimizing for size.
829 (override_options): Use mips_rtx_cost_optimize_size table for cost
832 2006-11-07 Jie Zhang <jie.zhang@analog.com>
834 * gcc.c (process_command): Treat -b as normal switch if its argument
837 2006-11-07 David Ung <davidu@mips.com>
839 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
842 2006-11-06 Eric Christopher <echristo@apple.com>
844 * config.gcc: Add x86_64-darwin host support.
845 * config.host: Ditto.
846 * config/i386/darwin64.h: New file.
847 * config/i386/t-darwin64: Ditto.
849 2006-11-06 Janis Johnson <janis187@us.ibm.com>
851 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
852 and output-exists-not.
854 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
857 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
858 checking for overflow.
860 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
862 * configure.ac: Fixed typo in case statement: :: changed to ;;
864 2006-11-06 Bob Wilson <bob.wilson@acm.org>
866 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
867 count_leading_zeros, and count_trailing_zeros.
868 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
869 (TARGET_FOLD_BUILTIN): Define.
870 (TARGET_EXPAND_BUILTIN): Define.
871 (xtensa_init_builtins): New.
872 (xtensa_fold_builtin): New.
873 (xtensa_expand_builtin): New.
874 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
875 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
876 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
877 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
878 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
879 (any_extend): New code macro.
880 (u, su): New code attributes.
881 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
882 (nsau): Remove; replaced by clzsi2.
883 (ffssi2): Use clzsi2.
884 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
885 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
886 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
887 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
888 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
890 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
892 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
894 * config/arm/t-strongarm-elf: Likewise.
895 * config/arm/t-pe: Likewise.
896 * config/arm/t-arm-elf: Likewise.
897 * config/arm/t-xscale-elf: Likewise.
898 * config/arm/t-arm-coff: Likewise.
899 * config/arm/t-xscale-coff: Likewise.
900 * config/arm/t-wince-pe: Likewise.
902 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
904 * config/sh/lib1funcs-4-300.asm: Guard entire file with
907 2006-11-05 Jakub Jelinek <jakub@redhat.com>
910 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
913 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
916 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
917 as a valid 80387 constant.
918 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
919 * config/i386/i386.md (unnamed splitter): Split the load of
920 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
923 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
925 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
926 from the soft-frame, argument and virtual registers.
928 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
930 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
931 patterns for standard 80387 constants.
933 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
934 Steven Bosscher <steven@gcc.gnu.org>
936 * fwprop.c: New file.
937 * Makefile.in: Add fwprop.o.
938 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
939 * passes.c (init_optimization_passes): Schedule forward propagation.
940 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
942 * timevar.def (TV_FWPROP): New.
943 * common.opt (-fforward-propagate): New.
944 * opts.c (decode_options): Enable forward propagation at -O2.
945 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
946 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
947 canon_for_address, table_size): Remove.
948 (new_basic_block, insert, remove_from_table): Remove references to
950 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
951 simplification loop more straightforward by not calling fold_rtx
953 (equiv_constant): Move here a small part of fold_rtx_subreg,
954 do not call fold_rtx. Call avoid_constant_pool_reference
956 * recog.h (canonicalize_change_group): New.
958 * doc/invoke.texi (Optimization Options): Document fwprop.
959 * doc/passes.texi (RTL passes): Document fwprop.
961 2006-11-03 Geoffrey Keating <geoffk@apple.com>
963 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
964 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
965 (grokdeclarator): Likewise.
967 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
969 * tree-dump.c (dump_enable_all): Rename local variable
970 ir_type to avoid name conflicts.
971 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
972 instead of using ir_type().
973 * profile.c (tree_register_profile_hooks): Likewise.
974 * value-prof.c (tree_register_value_prof_hooks): Likewise.
975 * basic-block.h (struct edge_def): Likewise.
976 * config/arm/arm.c (legitimize_pic_address): Likewise.
977 * coretypes.h (ir_type): New enum of all intermediate languages
979 * cfghooks.c (ir_type): Rename to...
980 (current_ir_type): ...this. Distinguish between cfgrtl and
981 cfglayout mode when the current IR is RTL. Return enum ir_type.
982 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
984 2006-11-03 Paul Brook <paul@codesourcery.com>
986 * config/arm/arm.c (arm_file_start): New function.
987 (TARGET_ASM_FILE_START): Define.
988 (arm_default_cpu): New variable.
989 (arm_override_options): Set arm_default_cpu.
991 2006-11-03 David Ung <davidu@mips.com>
993 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
994 PROCESSOR_24KC and PROCESSOR_24KF.
995 * config/mips/mips.c (mips_cpu_info_table): Add processor names
996 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
997 (mips_rtx_cost_data): Add costs for the 24kc.
998 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
999 * config/mips/24k.md: Remove references to 24k and replace with
1000 uses of 24kc/24kf in the appropriate reservations.
1001 * doc/invoke.texi (MIPS Options): Updated.
1003 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1005 * config/sh/crt1.asm: Fix #ifdef indent.
1007 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
1008 Merged from STMicroelectronics sources:
1009 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
1010 * config/sh/crt1.asm (vbr_600): Add missing #if.
1011 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
1012 * sh.opt (mfused-madd): New option.
1013 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
1014 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
1015 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
1016 Remove pointless handler at VBR+0.
1017 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
1018 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
1019 fr7. Make sure the timer handler is called with the correct FPU
1020 precision setting, according to the ABI.
1021 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
1022 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
1023 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
1024 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
1025 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
1026 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
1027 zero as second operand.
1028 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
1029 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1030 Fixed some bugs related to negative values, in particular -0
1031 and overflow at -0x80000000.
1032 * config/sh/divcost-analysis: Added sh4-300 figures.
1033 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
1034 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
1035 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
1036 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
1037 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
1038 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
1040 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
1042 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
1043 SH4-300 scheduling description & fixes to SH4-[12]00 description:
1044 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
1045 mac_mem, mem_mac, dfp_mul, fp_cmp.
1046 (insn_class, dfp_comp, any_fp_comp): Update.
1047 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
1048 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
1049 (muldf3_i): Likewise.
1050 (movsi_i): Split rI08 alternative into two separate alternatives.
1052 (movsi_ie, movsi_i_lowpart): Likewise.
1053 (movqi_i): Split ri alternative into two separate alternatives.
1055 * sh1.md (sh1_load_store, sh1_fp): Update.
1056 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
1057 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
1058 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
1059 (sh4a_fp_double_arith): Likewise.
1060 * sh4-300.md: New file.
1061 * sh.c (sh_handle_option): Handle m4-300* options.
1062 (sh_adjust_cost): Fix latency of auto-increments.
1063 Handle SH4-300 differently than other SH4s. Check for new insn types.
1064 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
1065 been set by an option.
1066 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
1067 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
1068 (mbranch-cost=): Likewise.
1069 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
1071 * sh.md (mulsf3): Remove special expansion code.
1072 (mulsf3_ie): Now a define_insn_and_split.
1073 (macsf3): Allow for TARGET_SH4.
1075 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
1076 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
1077 (expand_cbranchdi4): Likewise.
1078 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
1079 CONST_DOUBLE if the outer code is COMPARE.
1080 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
1081 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
1082 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
1083 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
1084 Remove redundant fp_{zero,one}_operand checks.
1085 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
1086 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
1087 (expand_cbranchdi4): Likewise.
1088 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
1089 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
1091 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
1093 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
1096 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
1098 * doc/invoke.texi: Fix mfp-trap-mode typo.
1100 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
1102 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
1103 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
1104 file_end_indicate_exec_stack.
1105 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
1107 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
1108 for a non-executable stack.
1109 * crti.asm: Likewise.
1110 * crtn.asm: Likewise.
1111 * libunwind.S: Likewise.
1113 2006-11-02 Ben Elliston <bje@au.ibm.com>
1115 * tree-ssa.c (warn_uninit): Use expand_location variables for
1116 locus and declaration locus.
1118 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
1121 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
1122 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
1123 cmp{eq,gt,gtu}{si,di}_media.
1124 (*cmpne0si_media): Remove.
1125 (*movsicc_umin): Adjust gen_cmp*_media call.
1126 (unordered): Change the mode of unordered and operands[1] to
1128 (seq): Adjust gen_cmp*_media calls. Make the mode of
1129 a temporary result of compare SImode if needed. If the mode
1130 of operands[0] is DImode, extend the temporary result to DImode.
1131 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
1132 (sunorderd): Change the mode of match_operand and unorderd to
1134 (cmpeq{sf,df}_media): Remove.
1135 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
1136 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
1137 and compare operation to SImode.
1139 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
1141 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
1143 (sparc64-sun-solaris2*): Likewise.
1145 2006-11-02 Paul Brook <paul@codesourcery.com>
1147 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
1148 from priority argument. Use different section for non-default
1150 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
1152 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
1155 * except.c (switch_to_exception_section): Do not cache the section
1156 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1157 and flag_function_sections is set.
1159 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1162 * builtins.c (do_mpfr_sincos): New.
1163 (fold_builtin_1): Use it to fold builtin sincos.
1165 2006-11-01 Roger Sayle <roger@eyesopen.com>
1167 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
1168 it into -D_REENTRANT.
1170 2006-11-01 Roger Sayle <roger@eyesopen.com>
1172 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
1173 whether the assembler supports taking the difference of symbols in
1174 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
1175 * configure: Regenerate.
1176 * config.in: Regenerate.
1177 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
1178 the assembler doesn't support taking the difference of symbols in
1179 different sections, i.e. we're using the native solaris assembler.
1181 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
1182 Peter Bergner <bergner@vnet.ibm.com>
1184 * doc/invoke.texi: Add cpu_type power6x
1185 (RS/6000 and PowerPC Options): Add -mmfpgpr.
1186 * config.gcc: Add cpu_type power6x.
1187 * configure.ac: Add test for mf{t,f}gpr instructions.
1188 (HAVE_AS_MFPGPR): New.
1189 * config.in: Regenerate.
1190 * configure: Regenerate.
1191 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
1192 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
1193 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
1194 and mftgpr attributes.
1195 (define_attr "cpu"): Add power6.
1196 Change instruction sequences to use new attributes.
1197 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
1198 (fix_truncdfsi2_mfpgpr): New.
1199 (floatsidf_ppc64_mfpgpr): New.
1200 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
1201 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
1202 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
1203 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
1204 (fix_truncdfsi2): Use gpc_reg_operand constraint.
1205 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
1206 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
1207 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
1208 cntlz,exts and var_delayed_compare.
1209 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1210 _ARCH_PWR6X, if features enabled.
1211 * config/rs6000/rs6000.opt (mmfpgpr): New.
1212 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
1213 (cached_can_issue_more): New variable.
1214 (processor_costs): Add power6_cost.
1215 (rs6000_sched_init): New function.
1216 (is_dispatch_slot_restricted): Deleted.
1217 (set_to_load_agen): New function.
1218 (is_load_insn,is_store_insn): New functions.
1219 (adjacent_mem_locations): New function.
1220 (insn_must_be_first_in_group): New function.
1221 (insn_must_be_last_in_group): New function.
1222 (rs6000_sched_reorder): New function.
1223 (rs6000_sched_reorder2): New function.
1224 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
1225 TARGET_SCHED_REORDER2): Define.
1226 (processor_target_table): Use PROCESSOR_POWER6 for power6.
1227 Add power6x. Add MASK_MFPGPR for power6x.
1228 (POWERPC_MASKS): Add MASK_MFPGPR.
1229 (rs6000_override_options): Set rs6000_always_hint to false
1230 for power6. Set rs6000_align_branch_targets. Replace
1231 rs6000_sched_groups check with rs6000_align_branch_targets.
1232 Use PROCESSOR_POWER6.
1233 (last_scheduled_insn): New variable.
1234 (load_store_pendulum): New variable.
1235 (rs6000_variable_issue): Set last_scheduled_insn and
1236 cached_can_issue_more.
1237 (rs6000_adjust_cost): Add power6 cost adjustments.
1238 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
1239 with insn_must_be_first_in_group. Add power6 priority adjustments.
1240 (rs6000_issue_rate): Add CPU_POWER6.
1241 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
1242 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
1243 (TARGET_MFPGPR): New.
1244 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
1245 (ASM_CPU_SPEC): Add power6x.
1246 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
1248 * config/rs6000/power6.md: New file.
1250 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
1252 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1253 HOST_WIDE_INT_PRINT to print high and low parts. Use
1254 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
1255 printing a hexadecimal number prefix it with 0x.
1257 2006-11-01 Chris Johns <chris@contemporary.net.au>
1260 * Makefile.in (install-driver): Use exeext when installing
1261 $target-gcc-$version.
1263 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
1265 * c-common.c (flag_cpp0x): New.
1266 * c-common.h (flag_cpp0x): New.
1267 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
1268 supported, define __GXX_EXPERIMENTAL_CPP0X__.
1269 * c-opts.c (set_std_cxx0x): New.
1270 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
1271 * c.opt (std=c++0x): Document.
1272 (std=gnu++0x): Ditto.
1273 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
1274 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
1276 2006-11-01 Richard Guenther <rguenther@suse.de>
1278 * config/i386/i386.c (ix86_expand_rint): Fix issues with
1280 (ix86_expand_floorceildf_32): Likewise.
1281 (ix86_expand_floorceil): Likewise.
1282 (ix86_expand_trunc): Likewise.
1284 2006-10-31 Andrew Pinski <pinskia@gmail.com>
1286 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
1289 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
1291 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
1293 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
1295 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
1297 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
1298 * configure.ac (use_cxa_atexit): As a special case, don't test
1299 for libc definition of __cxa_atexit on mingw32
1300 * configure: Regenerate.
1301 * config.gcc (i[34567]86-pc-mingw32): Default to
1302 enable__cxa_atexit=yes.
1304 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1306 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
1308 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1311 * c-decl.c (start_struct): Don't create self-containing
1313 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
1315 * config/rs6000/rs6000-protos.h
1316 (darwin_rs6000_special_round_type_align): New.
1317 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
1318 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
1320 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1322 * toplev.c (compile_file): Call final_write_globals
1323 even if there have been errors.
1325 2006-10-31 Eric Christopher <echristo@apple.com>
1326 Falk Hueffner <falk@debian.org>
1328 * doc/extend.texi (__builtin_bswap32): Document.
1329 (__builtin_bswap64): Ditto.
1330 * doc/libgcc.texi (bswapsi2): Document.
1332 * doc/rtl.texi (bswap): Document.
1333 * optabs.c (expand_unop): Don't widen a bswap.
1334 (init_optabs): Init bswap. Set libfuncs explicitly
1335 for bswapsi2 and bswapdi2.
1336 * optabs.h (OTI_bswap): New.
1337 (bswap_optab): Ditto.
1338 * genopinit.c (optabs): Handle bswap_optab.
1339 * tree.h (tree_index): Add TI_UINT32_TYPE and
1341 (uint32_type_node): New.
1342 (uint64_type_node): Ditto.
1343 * tree.c (build_common_tree_nodes_2): Initialize
1344 uint32_type_node and uint64_type_node.
1345 * builtins.c (expand_builtin_bswap): New.
1346 (expand_builtin): Call.
1347 (fold_builtin_bswap): New.
1348 (fold_builtin_1): Call.
1349 * fold-const.c (tree_expr_nonnegative_p): Return true
1351 * builtin-types.def (BT_UINT32): New.
1353 (BT_FN_UINT32_UINT32): Ditto.
1354 (BT_FN_UINT64_UINT64): Ditto.
1355 * builtins.def (BUILT_IN_BSWAP32): New.
1356 (BUILT_IN_BSWAP64): Ditto.
1357 * rtl.def (BSWAP): New.
1358 * genattrtab.c (check_attr_value): New.
1359 * libgcc2.c (__bswapSI2): New.
1360 (__bswapDI2): Ditto.
1361 * libgcc2.h (__bswapSI2): Declare.
1362 (__bswapDI2): Ditto.
1363 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
1364 * simplify-rtx.c (simplify_const_unary_operation): Return
1366 * libgcc-std.ver (__bwapsi2): Add.
1367 (__bswapdi2): Ditto.
1368 * reload1.c (eliminate_regs_1): Add bswap.
1369 (elimination_effects): Ditto.
1370 * config/i386/i386.h (x86_bswap): New.
1371 (TARGET_BSWAP): Use.
1372 * config/i386/i386.c (x86_bswap): Set.
1374 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1376 * coverage.c (coverage_checksum_string): Update comment.
1377 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
1378 of get_file_function_name.
1379 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
1380 of get_file_function_name_long.
1381 * tree.c (get_file_function_name): Rename from
1382 get_file_function_name_long; improve comment; handle 'I' and 'D'
1383 specially when the target has ctor/dtor support; remove special
1385 (get_file_function_name): Remove.
1386 * tree.h (get_file_function_name): Rename from
1387 get_file_function_name_long.
1388 (get_file_function_name): Remove prototype.
1390 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1392 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
1393 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1395 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
1396 Call dsymutil when compiling and linking one or more source files
1399 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1402 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
1404 2006-10-31 Geoffrey Keating <geoffk@apple.com>
1406 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
1407 inline static functions in c99 mode.
1410 * doc/extend.texi (Inline): Update.
1411 * c-tree.h (struct language_function): Remove field 'extern_inline'.
1412 * c-decl.c (current_extern_inline): Delete.
1413 (pop_scope): Adjust test for an undefined nested function.
1414 Add warning about undeclared inline function.
1415 (diagnose_mismatched_decls): Update comments. Disallow overriding
1416 of inline functions in a translation unit in C99. Allow inline
1417 declarations in C99 at any time.
1418 (merge_decls): Boolize variables. Handle C99 'extern inline'
1420 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
1421 C99 inline semantics.
1422 (start_function): Don't clear current_extern_inline. Don't set
1424 (c_push_function_context): Don't push current_extern_inline.
1425 (c_pop_function_context): Don't restore current_extern_inline.
1428 * c-typeck.c (build_external_ref): Warn about static variables
1429 used in extern inline functions.
1430 * c-decl.c (start_decl): Warn about static variables declared
1431 in extern inline functions.
1433 2006-10-31 Roger Sayle <roger@eyesopen.com>
1436 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
1437 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
1438 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
1439 or y is an even integer.
1441 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
1444 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
1445 * gthr-posix95.h (__gthread_active_p): Likewise.
1447 2006-10-31 Richard Guenther <rguenther@suse.de>
1449 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
1450 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
1451 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
1452 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
1453 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
1454 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
1455 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
1456 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
1459 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
1461 * opts.c (decode_options): Disable CSE skip blocks.
1463 2006-10-30 Dirk Mueller <dmueller@suse.de>
1465 * c-common.h (strict_aliasing_warning): Fix whitespace.
1466 * c-decl (start_function): Move code for main decl warning ..
1467 * c-common.c (check_main_parameter_types): .. here.
1468 * c-common.h (check_main_parameter_types): Declare.
1470 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1473 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
1475 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
1477 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
1478 be a PARALLEL containing sets. Return false when out_pat is not
1481 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1483 * config/mips/mips.md (mul<mode>3): Split into...
1484 (mulsi3, muldi3): ...these separate patterns.
1486 2006-10-30 Richard Sandiford <richard@codesourcery.com>
1488 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
1489 but with each set of options separated by spaces.
1491 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
1493 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
1494 dwarf_reg_size_table has been initialized.
1496 2006-10-30 Roger Sayle <roger@eyesopen.com>
1498 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
1499 * ddg.c (print_ddg_edge): Likewise.
1500 * dwarf2out.c (prune_unused_types_walk): Likewise.
1501 * ifcvt.c (noce_try_cmove_arith): Likewise.
1502 * langhooks.c (add_builtin_function): Likewise.
1503 * reg-stack.c (subst_stack_regs_pat): Likewise.
1504 * tree.c (expanded_location): Likewise.
1505 * tree-dump.c (dequeue_and_dump): Likewise.
1507 2006-10-30 David Daney <ddaney@avtrex.com>
1509 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
1511 2006-10-30 Jakub Jelinek <jakub@redhat.com>
1513 PR tree-optimization/29637
1514 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
1515 of the innertype is the innertype itself.
1517 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
1519 * dwarf2out.c (file_name_acquire): Correct typo.
1521 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
1523 * tree.h (tree_value_handle): Remove struct value_set declaration.
1524 Change value_set to bitmap_set.
1525 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
1526 * tree-vn.c (get_value_handle): Made inline and moved to
1528 * tree-flow-inline.h: (has_stmt_ann): New function.
1529 * tree-ssa-pre.c (expressions): New variable.
1530 (next_expression_id): Ditto.
1531 (alloc_expression_id): New function.
1532 (struct value_set): Remove.
1533 (get_expression_id): New function.
1534 (get_or_alloc_expression_id): Ditto.
1535 (expression_for_id): Ditto.
1536 (clear_expression_ids): Ditto.
1537 (FOR_EACH_EXPR_ID_IN_SET): New macro.
1538 (bb_value_sets): Renamed to bb_bitmap_sets.
1539 All value sets replaced with bitmap_sets.
1541 (BB_VISITED): New macro.
1542 (postorder): New variable.
1543 (add_to_value): Removed.
1544 (value_exists_in_set_bitmap): Ditto.
1545 (value_insert_into_set_bitmap): Ditto.
1548 (set_remove): Ditto.
1549 (set_contains_value): Ditto.
1550 (insert_into_set): Ditto.
1552 (find_leader): Ditto.
1553 (bitmap_set_subtract_from_value_set): Ditto.
1554 (value_insert_into_set): Ditto.
1555 (print_value_set): Ditto.
1556 (debug_value_set): Ditto.
1557 (constant_expr_p): New function.
1558 (bitmap_remove_from_set): Ditto.
1559 (bitmap_insert_into_set): Ditto.
1560 (bitmap_set_free): Ditto.
1561 (vh_compare): Ditto.
1562 (sorted_array_from_bitmap_set): Ditto.
1563 (bitmap_set_subtract): Ditto.
1564 (bitmap_set_equal): Ditto.
1565 (debug_bitmap_set): Ditto.
1566 (find_leader_in_sets): Ditto.
1567 (bitmap_set_replace_value): Modify for bitmapped sets.
1568 (phi_translate): Ditto.
1569 (phi_translate_set): Ditto.
1570 (bitmap_find_leader): Ditto.
1571 (valid_in_sets): Ditto.
1572 (union_contains_value): Ditto.
1574 (compute_antic_aux): Ditto. Mark changed blocks.
1575 (compute_antic): Ditto. Iterate in postorder and only over
1577 (compute_rvuse_and_antic_safe): Reuse postorder.
1578 (create_component_ref_by_pieces): Modify for bitmapped sets.
1579 (find_or_generate_expression): Ditto.
1580 (create_expression_by_pieces): Ditto.
1581 (insert_into_preds_of_block): Ditto.
1582 (changed_blocks): New variable.
1583 (do_regular_insertion): Broken out from insert_aux.
1584 (insert_aux): Modified for bitmapped sets.
1585 (find_existing_value_expr): New function.
1586 (create_value_expr_from): Use it.
1587 (insert_extra_phis): Removed.
1588 (print_bitmap_set): Renamed from bitmap_print_value_set.
1589 (compute_avail): Handle RETURN_EXPR.
1590 (init_pre): Modify for bitmapped sets.
1591 * tree-flow.h (has_stmt_ann): New function.
1593 2006-10-29 Roger Sayle <roger@eyesopen.com>
1595 * builtins.c (fold_builtin_floor): Check for the availability of
1596 the C99 trunc function before transforming floor into trunc.
1598 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1600 * builtins.c (fold_builtin_hypot): Rearrange recursive
1601 transformation before others, and also do ABS_EXPR. When
1602 necessary, check flag_unsafe_math_optimizations. When necessary,
1605 2006-10-29 Roger Sayle <roger@eyesopen.com>
1607 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
1608 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
1609 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
1610 Fold -X eq/ne -Y as X eq/ne Y.
1612 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1614 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
1615 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
1616 rather than GENERATE_MULT3_SI in the various define_peephole2s.
1617 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
1618 Use an inclusive test for "mult" rather than "mul".
1619 (rotr<mode>3): Depend on ISA_HAS_ROR.
1620 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
1622 (GENERATE_MULT3_DI): Delete.
1623 (ISA_HAS_64BIT_REGS): Use consistent formatting.
1624 (ISA_HAS_MUL3): New macro.
1625 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
1626 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
1627 (ISA_HAS_CLZ_CLO): Likewise.
1628 (ISA_HAS_DCLZ_DCLO): Delete.
1629 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
1630 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
1631 the VR4120 and VR4130.
1632 (ISA_HAS_MACCHI): Use consistent formatting.
1633 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
1634 (ISA_HAS_ROR): ...this new macro.
1635 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
1636 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
1637 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
1639 2006-10-29 Roger Sayle <roger@eyesopen.com>
1641 PR tree-optimization/15458
1642 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
1645 2006-10-29 Richard Guenther <rguenther@suse.de>
1647 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
1648 (ix86_expand_truncdf_32): Likewise.
1649 * config/i386/i386.c (ix86_expand_trunc): New function expanding
1650 trunc inline for SSE math and -fno-trapping-math and if not
1651 optimizing for size.
1652 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
1653 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
1654 for expanding btrunc inline for SSE math.
1656 2006-10-29 Joseph Myers <joseph@codesourcery.com>
1658 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
1659 Handle tuning for bi-arch i[34567]86-*-linux* like that for
1660 i[34567]86-*-solaris2.1[0-9]*.
1661 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
1662 Define conditionally depending on TARGET_64BIT_DEFAULT.
1663 (SPEC_32, SPEC_64): Define.
1664 (LINK_SPEC): Use them.
1665 * doc/install.texi (--enable-targets=all): Document for x86-linux.
1667 2006-10-29 Richard Guenther <rguenther@suse.de>
1669 * config/i386/i386-protos.h (ix86_expand_round): Declare.
1670 (ix86_expand_rounddf_32): Likewise.
1671 * config/i386/i386.c (ix86_expand_round): New function expanding
1672 round inline for SSE math and -fno-trapping-math and if not
1673 optimizing for size.
1674 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
1675 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
1676 round via ix86_expand_round.
1678 2006-10-29 Richard Guenther <rguenther@suse.de>
1680 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
1681 (ix86_expand_floorceildf_32): Likewise.
1682 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
1683 static helper function.
1684 (ix86_expand_floorceil): Expander for floor and ceil to SSE
1686 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
1687 * config/i386/i386.md (floordf2): Adjust to enable floor
1688 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
1689 -fno-trapping-math is enabled and if not optimizing for size.
1690 (floorsf2, ceildf2, ceilsf2): Likewise.
1691 * config/i386/sse.md (sse_maskcmpsf3): New insn.
1692 (sse2_maskcmpdf3): Likewise.
1694 2006-10-29 Richard Guenther <rguenther@suse.de>
1696 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
1697 rint in case -fno-trapping-math is enabled.
1698 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
1699 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
1700 (ix86_expand_sse_fabs): Likewise.
1701 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
1702 * config/i386/i386.md (rintdf2): Enable for SSE math if
1703 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
1704 (rintsf2): Likewise.
1706 2006-10-29 Richard Guenther <rguenther@suse.de>
1708 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
1709 to conversion optabs.
1710 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
1711 as conversion optab.
1712 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
1713 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
1714 (lfloor_optab, lceil_optab): Adjust defines.
1715 * builtins.c (expand_builtin_int_roundingfn): Adjust for
1716 lfloor and lceil optabs now being conversion optabs.
1717 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
1718 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
1719 New static helper function.
1720 (ix86_expand_lfloorceil): New function to expand lfloor and
1722 * config/i386/i386.md (lfloor<mode>2): Split into ...
1723 (lfloorxf<mode>2): ... x87 variant
1724 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
1725 using ix86_expand_lfloorceil.
1726 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
1728 * doc/md.texi (lfloorMN, lceilMN): Document.
1730 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1732 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
1733 -mno-shared assembler option on mips targets.
1734 * configure, config.in: Regenerate.
1735 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
1736 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
1737 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
1739 2006-10-29 Richard Sandiford <richard@codesourcery.com>
1741 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
1742 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
1744 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
1746 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
1747 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
1750 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1753 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
1754 (fold_builtin_pow): Evaluate constant arguments at compile-time
1756 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
1757 (do_mpfr_ckconv): New helper function.
1758 (do_mpfr_arg1): Use do_mpfr_ckconv.
1759 (do_mpfr_arg2): New.
1761 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1764 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
1765 (-fdump-rtl-sched): Rename to ..
1766 (-fdump-rtl-sched1): here. Also fix file extension number.
1768 2006-10-28 Richard Guenther <rguenther@suse.de>
1770 * fold-const.c (maybe_canonicalize_comparison): Fix code
1773 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1775 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
1776 (NON_QI_REG_P): Use IN_RANGE.
1777 (REX_INT_REGNO_P): Use IN_RANGE.
1778 (FP_REGNO_P): Use IN_RANGE.
1779 (SSE_REGNO_P): Use IN_RANGE.
1780 (REX_SSE_REGNO_P): Use IN_RANGE.
1781 (MMX_REGNO_P): Use IN_RANGE.
1782 (STACK_REGNO_P): New macro.
1783 (STACK_REG_P): Use STACK_REGNO_P.
1784 (NON_STACK_REG_P): Use STACK_REGNO_P.
1785 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
1786 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
1787 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
1788 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
1789 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
1791 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
1793 * except.h (output_function_exception_table): Add 'const char*' param.
1794 * except.c (switch_to_exception_section): Add 'const char*' param.
1795 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
1796 and flag_function_sections is set, use a function-specific section.
1797 (output_function_exception_table): Add 'const char*' param.
1798 Adjust call to switch_to_exception_section.
1799 * final.c (rest_of_handle_final): Adjust calls to
1800 output_function_exception_table.
1801 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
1802 * config.in: Regenerate.
1803 * configure: Likewise.
1805 2006-10-28 Richard Guenther <rguenther@suse.de>
1808 * fold-const.c (maybe_canonicalize_comparison_1): Helper
1809 for maybe_canonicalize_comparison.
1810 (maybe_canonicalize_comparison): New function for canonicalizing
1812 (fold_comparison): Call it to canonicalize comparisons with
1815 2006-10-28 Richard Guenther <rguenther@suse.de>
1818 * builtins.c (expand_builtin_int_roundingfn_2): Expand
1819 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
1820 (expand_builtin): Adjust likewise.
1821 * genopinit.c (optabs[]): Add lround optab.
1822 * optabs.c (init_optabs): Initialize lround_optab.
1823 * optabs.h (enum convert_optab_index): Add COI_lround.
1824 (lround_optab): Define.
1825 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
1826 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
1828 (ix86_expand_lround): New function.
1829 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
1831 * doc/md.texi (lroundMN2): Document.
1833 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1836 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
1837 argument to HOST_WIDE_INT. Update function prototype.
1838 (round_frame_size): Change return type to HOST_WIDE_INT. Change
1839 "size" argument to HOST_WIDE_INT. Update function prototype.
1841 2006-10-28 Uros Bizjak <uros@kss-loka.si>
1843 * config/i386/i386.c (output_387_ffreep): Create output from a
1844 template string for !HAVE_AS_IX86_FFREEP.
1846 2006-10-27 Eric Christopher <echristo@apple.com>
1848 * config/darwin.c: Fix formatting and grammar.
1850 2006-10-27 Jan Hubicka <jh@suse.cz>
1852 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
1853 to be thrown away soon when IGNORE is set.
1854 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
1855 indicating when return value shall not be computed.
1856 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
1858 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
1860 * config/i386/i386.h (TARGET_GEODE):
1861 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
1862 (TARGET_CPU_DEFAULT_geode): New macro.
1863 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
1864 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
1865 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
1866 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
1867 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
1869 (TARGET_CPU_DEFAULT_NAMES): Add geode.
1870 (processor_type): Add PROCESSOR_GEODE.
1872 * config/i386/i386.md: Include geode.md.
1875 * config/i386/i386.c (geode_cost): New initialized global
1877 (m_GEODE, m_K6_GEODE): New macros.
1878 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
1879 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
1880 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
1881 x86_schedule): Use m_K6_GEODE instead of m_K6.
1882 (x86_movx, x86_cmove): Set up m_GEODE.
1883 (x86_integer_DFmode_moves): Clear m_GEODE.
1884 (processor_target_table): Add entry for geode.
1885 (processor_alias_table): Ditto.
1887 * config/i386/geode.md: New file.
1889 * doc/invoke.texi: Add entry about geode processor.
1891 2006-10-27 Mike Stump <mrs@apple.com>
1893 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
1894 __DYNAMIC__ from here back to ...
1895 * config/darwin.h (CPP_SPEC): ... here.
1897 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1898 Nathan Sidwell <nathan@codesourcery.com>
1900 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
1901 when choosing the minimum heapsize.
1903 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
1905 * gcc/unwind-dw2.h: Move cfa-related variables into
1906 struct frame_state_reg_info to ensure that the CFA is properly
1907 handled when executing DW_CFA_{remember,restore}_state.
1908 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
1909 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
1910 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
1911 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
1912 gcc/config/rs6000/linux-unwind.h,
1913 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
1914 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
1915 Modify to use new cfa_* fields.
1917 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
1919 * config/s390/s390.c (s390_init_frame_layout): Check positive
1922 2006-10-26 Ben Elliston <bje@au.ibm.com>
1924 * gimplify.c (get_name): Remove extraneous break.
1925 (gimplify_omp_for): Initialise ret with GS_OK.
1927 2006-10-25 Steve Ellcey <sje@cup.hp.com>
1929 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
1930 Add unix98.o to link line.
1932 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1935 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
1936 Calculate compile-time constants using MPFR.
1937 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
1938 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
1940 2006-10-25 Bob Wilson <bob.wilson@acm.org>
1942 * config/xtensa/lib2funcs.S: Use C-style comments.
1944 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
1946 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
1947 (file_table_relative_p): Likewise.
1948 (dwarf2out_finish): Likewise.
1949 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
1951 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
1953 * tree-ssa-structalias.c (intra_create_variable_infos):
1954 Don't recreate nonlocal_all if it already exists.
1956 2006-10-25 Richard Guenther <rguenther@suse.de>
1959 * optabs.h (enum optab_index): Remove OTI_lrint.
1960 (enum convert_optab_index): Add COI_lrint.
1961 (lrint_optab): Adjust.
1962 (expand_sfix_optab): Declare.
1963 * optabs.c (expand_sfix_optab): New function.
1964 (init_optabs): Init lrint_optab as conversion optab.
1965 * genopinit.c (lrint_optab): Change to a conversion optab.
1966 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
1967 expansion via conversion optab.
1968 * config/i386/i386.md (*fistdi2_1): Remove
1969 flag_unsafe_math_optimizations guard.
1970 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
1971 fist<mode>2_with_temp): Likewise.
1972 (lrint<mode>2): Split into...
1973 (lrintxf<mode>2): ... x87 part
1974 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
1975 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
1976 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
1977 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
1978 * doc/md.texi (lrintMN2): Document.
1980 2006-10-25 Uros Bizjak <uros@kss-loka.si>
1983 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
1984 Use inc and dec instructions for TARGET_USE_INCDEC.
1985 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
1986 ("sync_double_compare_and_swap<mode>"): Likewise.
1987 ("*sync_double_compare_and_swapdi_pic"): Likewise.
1988 ("*sync_compare_and_swap_cc<mode>"): Likewise.
1989 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
1990 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
1991 ("sync_old_add<mode>"): Likewise.
1992 ("sync_lock_test_and_set<mode>"): Likewise.
1993 ("sync_lock_test_and_set<mode>"): Likewise.
1994 ("sync_add<mode>"): Likewise.
1995 ("sync_sub<mode>"): Likewise.
1996 ("sync_ior<mode>"): Likewise.
1997 ("sync_and<mode>"): Likewise.
1998 ("sync_xor<mode>"): Likewise.
2000 2006-10-25 Uros Bizjak <uros@kss-loka.si>
2002 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
2003 (remainder_optab): Define corresponding macro.
2004 (drem_optab): Remove.
2005 * optabs.c (init_optabs): Initialize remainder_optab. Remove
2006 drem_optab initialization.
2007 * genopinit.c (optabs): Implement remainder_optab using
2008 remainder?f3 patterns. Remove drem_optab.
2009 * builtins.c (expand_builtin_mathfn_2): Handle
2010 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
2011 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
2012 expand_builtin_mathfn_2.
2014 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
2015 depend on flag_unsafe_math_optimizations.
2017 * config/i386/i386.md ("remaindersf3", "remainderdf3")
2018 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
2019 Do not depend on flag_unsafe_math_optimizations. Use
2020 truncxf?f expander instead of truncxf?f_i387_noop.
2022 ("fpremxf4", "fprem1xf4"): Do not depend on
2023 flag_unsafe_math_optimizations.
2024 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
2025 flag_unsafe_math_optimizations. Use truncxf?f expander
2026 instead of truncxf?f_i387_noop.
2028 * doc/md.texi (fmod, remainder): Document standard named pattern.
2030 2006-10-24 Richard Sandiford <richard@codesourcery.com>
2031 David Daney <ddaney@avtrex.com>
2034 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
2036 2006-10-25 Ben Elliston <bje@au.ibm.com>
2038 * doc/extend.texi (Variable Attributes): Typo fix.
2040 2006-10-24 Uros Bizjak <uros@kss-loka.si>
2042 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
2043 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
2044 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
2045 (FRAME_POINTER_REGNUM): Update register number to 21.
2046 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
2047 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
2049 * config/i386/i386.c (regclass_map): Add fpcr entry.
2050 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
2052 (print_reg): Assert REGNO (x) != FPCR_REG.
2054 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
2055 (DIRFLAG_REG): Renumber.
2056 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
2057 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
2058 (sse_prologue_save, *sse_prologue_save_insn): Renumber
2059 hardcoded SSE register numbers.
2061 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
2062 hardcoded MMX register numbers.
2064 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2067 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
2068 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
2070 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
2071 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
2072 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
2073 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
2075 2006-10-24 Richard Guenther <rguenther@suse.de>
2078 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
2079 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
2080 for deciding optimizations in consistency with fold-const.c
2081 (fold_builtin_unordered_cmp): Likewise.
2083 2006-10-24 Richard Guenther <rguenther@suse.de>
2085 * builtins.c (fold_builtin_floor): Fold floor (x) where
2086 x is nonnegative to trunc (x).
2087 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
2088 nonnegative to FIX_TRUNC_EXPR.
2090 2006-10-24 Richard Guenther <rguenther@suse.de>
2092 PR tree-optimization/29567
2093 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
2094 for TRUTH_NOT_EXPR. Clarify comments.
2096 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2099 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
2100 at compile-time using MPFR. Change parameter VALUE to FUNC,
2102 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
2103 for overflow and underflow at all times and avoid folding in
2106 2006-10-24 Ben Elliston <bje@au.ibm.com>
2108 * reload1.c: Formatting fixes.
2110 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
2112 PR tree-optimization/14784
2113 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
2114 * tree-ssa-structalias.c (get_constraint_for,
2115 intra_create_variable_infos): Set is_heapvar.
2116 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
2117 non-heapvar pointer variables specially.
2119 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2122 * builtins.c (fold_builtin_sin, fold_builtin_cos,
2123 fold_builtin_tan): Fold all constant arguments. Take a "type"
2124 argument as necessary.
2125 (do_mpfr_arg1): New.
2126 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
2128 2006-10-23 Bob Wilson <bob.wilson@acm.org>
2130 * config/xtensa/lib1funcs.asm: Use C-style comments.
2132 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
2134 * tree.c (local_define_builtin): Replace calls to
2135 lang_hooks.builtin_function with add_builtin_function.
2136 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
2138 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
2140 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
2141 common code to add_builtin_function.
2142 * langhooks.c (add_builtin_function): New function.
2143 (lhd_builtin_function): New function.
2144 * langhooks.h (struct lang_hooks): Change the signature of
2146 (add_builtin_function): New function.
2147 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
2148 calls to lang_hooks.builtin_function with add_builtin_function.
2149 * c-common.c (decl_builtin_1): Replace calls to
2150 lang_hooks.builtin_function with add_builtin_function.
2151 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
2152 lang_hooks.builtin_function with add_builtin_function.
2153 * config/frv/frv.c (def_builtin): Replace calls to
2154 lang_hooks.builtin_function with add_builtin_function.
2155 * config/s390/s390.c (s390_init_builtins): Replace calls to
2156 lang_hooks.builtin_function with add_builtin_function.
2157 * config/sparc/sparc.c (def_builtin): Replace calls to
2158 lang_hooks.builtin_function with add_builtin_function.
2159 * config/i386/i386.c (def_builtin): Replace calls to
2160 lang_hooks.builtin_function with add_builtin_function.
2161 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
2162 lang_hooks.builtin_function with add_builtin_function.
2163 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
2164 lang_hooks.builtin_function with add_builtin_function.
2165 * config/stormy16/stormy16.c (xstormy16_init_builtins):
2166 Replace calls to lang_hooks.builtin_function with
2167 add_builtin_function.
2168 * config/iq2000/iq2000.c (def_builtin):
2169 Replace calls to lang_hooks.builtin_function with
2170 add_builtin_function.
2171 * config/ia64/ia64.c (def_builtin): Replace calls to
2172 lang_hooks.builtin_function with add_builtin_function.
2173 * config/rs6000/rs6000.c (def_builtin): Replace calls to
2174 lang_hooks.builtin_function with add_builtin_function.
2175 (altivec_init_builtins): Replace calls to
2176 lang_hooks.builtin_function with add_builtin_function.
2177 * config/arm/arm.c (def_mbuiltin): Replace calls to
2178 lang_hooks.builtin_function with add_builtin_function.
2179 (arm_init_tls_builtins): Replace calls to
2180 lang_hooks.builtin_function with add_builtin_function.
2181 * config/mips/mips.c (mips_init_builtins): Replace calls to
2182 lang_hooks.builtin_function with add_builtin_function.
2183 * config/bfin/bfin.c (def_builtin): Replace calls to
2184 lang_hooks.builtin_function with add_builtin_function.
2185 * langhooks-def.h (lhd_builtin_function): New function.
2186 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
2188 2006-10-23 Jakub Jelinek <jakub@redhat.com>
2190 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
2191 BUILT_IN_STRNCAT_CHK.
2193 2006-10-23 Jan Hubicka <jh@suse.cz>
2195 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
2196 don't do conversion from memmove to memcpy here.
2197 (expand_builtin_bcopy, expand_builtin): Update call of
2198 expand_builtin_memmove.
2199 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
2201 2006-10-23 Paul Brook <paul@codesourcery.com>
2203 * stor-layout.c (start_record_layout): maximum_field_alignment
2204 overrides STRUCTURE_SIZE_BOUNDARY.
2206 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
2208 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
2209 nonlocal function symbols if flag_pic.
2211 2006-10-23 Richard Guenther <rguenther@suse.de>
2215 * builtins.c (fold_binary): Remove checks for flag_wrapv
2216 and flag_trapv where negate_expr_p covers these cases.
2218 2006-10-23 Richard Guenther <rguenther@suse.de>
2221 * fold-const.c (fold_plusminus_mult_expr): Check exact power
2222 of two on the absolute value.
2223 (fold_binary): Fold x * -C to -x * C if x is easily negatable
2224 and negating -C does not overflow.
2226 2006-10-23 Richard Guenther <rguenther@suse.de>
2229 * convert.c (convert_to_real): Fold (float)-x to -(float)x
2230 only if not flag_rounding_math.
2232 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2233 Kaz Kojima <kkojima@gcc.gnu.org>
2236 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
2237 SImode memory reference for the source of a movua.
2238 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
2239 (movua): Use an unspec instead of sign_extract. Expect the source
2240 to have mode BLKmode.
2241 (extv, insv): Use a BLKmode rather than SImode memory reference
2242 for the source of a movua.
2244 2006-10-22 Jeff Law <law@redhat.com>
2245 Richard Guenther <rguenther@suse.de>
2247 PR tree-optimization/15911
2248 * tree-vrp.c (extract_code_and_val_from_cond): New function.
2249 (register_edge_assert_for_1): Likewise.
2250 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
2251 (find_conditional_asserts): Adjust for new function signature.
2252 (find_assert_locations): Likewise.
2254 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2256 * config/i386/tmmintrin.h: Remove the duplicated content.
2258 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
2260 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
2261 (x86_64-*-*): Likewise.
2263 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
2264 (override_options): Check SSSE3.
2265 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
2266 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
2267 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
2268 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
2269 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
2270 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
2271 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
2272 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
2273 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
2274 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
2275 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
2276 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
2277 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
2278 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
2279 IX86_BUILTIN_PABSD128.
2280 (bdesc_2arg): Add SSSE3.
2281 (bdesc_1arg): Likewise.
2282 (ix86_init_mmx_sse_builtins): Support SSSE3.
2283 (ix86_expand_builtin): Likewise.
2284 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
2286 * config/i386/i386.md (UNSPEC_PSHUFB): New.
2287 (UNSPEC_PSIGN): Likewise.
2288 (UNSPEC_PALIGNR): Likewise.
2289 Include mmx.md before sse.md.
2291 * config/i386/i386.opt: Add -mssse3.
2293 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
2294 (ssse3_phaddwv4hi3): Likewise.
2295 (ssse3_phadddv4si3): Likewise.
2296 (ssse3_phadddv2si3): Likewise.
2297 (ssse3_phaddswv8hi3): Likewise.
2298 (ssse3_phaddswv4hi3): Likewise.
2299 (ssse3_phsubwv8hi3): Likewise.
2300 (ssse3_phsubwv4hi3): Likewise.
2301 (ssse3_phsubdv4si3): Likewise.
2302 (ssse3_phsubdv2si3): Likewise.
2303 (ssse3_phsubswv8hi3): Likewise.
2304 (ssse3_phsubswv4hi3): Likewise.
2305 (ssse3_pmaddubswv8hi3): Likewise.
2306 (ssse3_pmaddubswv4hi3): Likewise.
2307 (ssse3_pmulhrswv8hi3): Likewise.
2308 (ssse3_pmulhrswv4hi3): Likewise.
2309 (ssse3_pshufbv16qi3): Likewise.
2310 (ssse3_pshufbv8qi3): Likewise.
2311 (ssse3_psign<mode>3): Likewise.
2312 (ssse3_psign<mode>3): Likewise.
2313 (ssse3_palignrti): Likewise.
2314 (ssse3_palignrdi): Likewise.
2315 (abs<mode>2): Likewise.
2316 (abs<mode>2): Likewise.
2318 * config/i386/tmmintrin.h: New file.
2320 * doc/extend.texi: Document SSSE3 built-in functions.
2322 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
2324 2006-10-22 Ira Rosen <irar@il.ibm.com>
2326 * tree-vect-transform.c (vectorizable_load): Use the type of the
2327 return value of the mask_for_load builtin to create realign_load
2330 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2332 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
2335 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
2337 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
2338 (UNSPEC_LDDQU): This.
2339 * config/i386/sse.md (sse3_lddqu): Updated.
2341 2006-10-21 Richard Guenther <rguenther@suse.de>
2343 * builtins.c (expand_builtin_int_roundingfn_2): New function.
2344 (expand_builtin): Use it to expand lrint instead of
2345 expand_builtin_mathfn.
2347 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2350 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
2351 flag_unsafe_math_optimizations is set.
2353 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2356 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
2357 patterns to use memory input operand in x87->mem->XMM
2358 reload sequences. Skip transformation for TARGET_K8.
2360 2006-10-21 Uros Bizjak <uros@kss-loka.si>
2362 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
2363 force operand1 to register if both operands are memory operands.
2364 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
2365 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
2366 if both operands are memory operands.
2367 (truncdfsf2): Do not force operand1 to register if both operands
2368 are memory operands.
2370 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2372 * Makefile.in (LIBS): Add $(GMPLIBS).
2373 * doc/install.texi: Update GMP and MPFR requirements.
2374 * doc/sourcebuild.texi (need_gmp): Delete.
2376 2006-10-21 Richard Guenther <rguenther@suse.de>
2378 PR tree-optimization/3511
2379 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
2380 got new invariant arguments during PHI translation.
2382 2006-10-21 Richard Guenther <rguenther@suse.de>
2385 * fold-const.c (fold_comparison): Fold signed comparisons
2386 of the form X +- C1 CMP Y +- C2.
2388 2006-10-21 Richard Guenther <rguenther@suse.de>
2391 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
2392 if flag_unsafe_math_optimizations is specified. We have
2393 flag_finite_math_only for that.
2394 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
2395 or flag_unsafe_math_optimizations.
2397 2006-10-21 Richard Guenther <rguenther@suse.de>
2399 * builtins.c (fold_builtin_classify): Fix typo.
2401 2006-10-21 Richard Guenther <rguenther@suse.de>
2404 * simplify-rtx.c (simplify_const_relational_operation):
2405 Do not constant-fold ORDERED and UNORDERED for
2406 flag_unsafe_math_optimizations but only we do not need to
2407 honor NaNs for the given mode.
2409 2006-10-21 Richard Guenther <rguenther@suse.de>
2412 * config/i386/i386.c (classify_argument): Remove redundant
2413 walking of the BINFOs.
2414 (contains_128bit_aligned_vector_p): Likewise.
2416 2006-10-20 Mark Mitchell <mark@codesourcery.com>
2418 * BASE-VER: Set to 4.3.0.
2420 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
2422 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
2423 (tree_decl_with_vis): Remove artificial_pta_var flag.
2424 * tree-flow.h (referenced_var_check_and_insert): Expose.
2425 (nonlocal_all): New prototype.
2426 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
2427 (nonlocal_all): Make global.
2428 (nonlocal_lookup): Remove.
2429 (nonlocal_insert): Ditto.
2430 (create_nonlocal_var): Do not call nonlocal_insert.
2431 (get_nonlocal_id_for_type): Remove.
2432 (find_global_initializers): Mark new vars we find for renaming.
2433 (intra_create_variable_infos): Only create one nonlocal.
2434 (expand_nonlocal_solutions): Remove.
2435 (compute_points_to_sets): Don't call it.
2436 (ipa_pta_execute): Ditto.
2437 (init_alias_heapvars): Don't create nonlocal_for_type.
2438 (delete_alias_heapvars): Don't remove it.
2439 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
2442 2006-10-19 Brooks Moses <bmoses@stanford.edu>
2444 * doc/install.texi (Downloading GCC): Clarify mention of
2445 Fortran in the "full distribution" description.
2447 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
2449 Fix PR tree-optimization/28778
2450 Fix PR tree-optimization/29156
2451 Fix PR tree-optimization/29415
2452 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
2453 (tree_decl_with_vis): Add artificial_pta_var flag.
2454 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
2455 pushed into callers.
2456 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
2457 (nonlocal_all): Ditto.
2458 (struct variable_info): Add directly_dereferenced member.
2459 (var_escaped_vars): New variable.
2460 (escaped_vars_tree): Ditto.
2461 (escaped_vars_id): Ditto.
2462 (nonlocal_vars_id): Ditto.
2463 (new_var_info): Set directly_dereferenced.
2464 (graph_size): New variable
2465 (build_constraint_graph): Use graph_size.
2466 (solve_graph): Don't process constraints that cannot change the
2467 solution, don't try to propagate an empty solution to our
2469 (process_constraint): Set directly_dereferenced.
2470 (could_have_pointers): New function.
2471 (get_constraint_for_component_ref): Don't process STRING_CST.
2472 (nonlocal_lookup): New function.
2473 (nonlocal_insert): Ditto.
2474 (create_nonlocal_var): Ditto.
2475 (get_nonlocal_id_for_type): Ditto.
2476 (get_constraint_for): Allow results vector to be empty in the case
2477 of string constants.
2478 Handle results of calls properly.
2479 (update_alias_info): Update alias info stats on number and type of
2481 (find_func_aliases): Use could_have_pointers.
2482 (make_constraint_from_escaped): Renamed from
2483 make_constraint_to_anything, and changed to make constraints from
2485 (make_constraint_to_escaped): New function.
2486 (find_global_initializers): Ditto.
2487 (create_variable_info_for): Make constraint from escaped to any
2488 global variable, and from any global variable to the set of
2490 (intra_create_variable_infos): Deal with escaped instead of
2491 pointing to anything.
2492 (set_uids_in_ptset): Do type pruning on directly dereferenced
2494 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
2495 (init_base_vars): Fix comment, and initialize escaped_vars.
2496 (need_to_solve): Removed.
2497 (find_escape_constraints): New function.
2498 (expand_nonlocal_solutions): Ditto.
2499 (compute_points_to_sets): Call find_escape_constraints and
2500 expand_nonlocal_solutions.
2501 (delete_points_to_sets): Don't fall off the end of the graph.
2502 (init_alias_heapvars): Initialize nonlocal_for_type and
2504 (delete_alias_heapvars): Free nonlocal_for_type and null out
2507 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
2509 * fold-const.c (add_double): Rename to add_double_with_sign.
2510 Add 'unsigned_p' parameter and take it into account for the overflow.
2511 (mul_double): Rename to mul_double_with_sign.
2512 Add 'unsigned_p' parameter and take it into account for the overflow.
2513 (fold_div_compare): Call add_double_with_sign instead of add_double
2514 and mul_double_with_sign instead of mul_double, passing them the
2515 unsignedness of the type.
2516 * tree.h (add_double): Macroize.
2517 (add_double_with_sign): New prototype.
2518 (mul_double): Macroize.
2519 (mul_double_with_sign): New prototype.
2521 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
2523 * config/score/crti.asm: New file.
2524 * config/score/crtn.asm: New file.
2525 * config/score/elf.h: New file.
2526 * config/score/mac.md: New file.
2527 * config/score/misc.md: New file.
2528 * config/score/mul-div.S: New file.
2529 * config/score/predicates.md: New file.
2530 * config/score/score7.md: New file.
2531 * config/score/score.c: New file.
2532 * config/score/score-conv.h: New file.
2533 * config/score/score.h: New file.
2534 * config/score/score.md: New file.
2535 * config/score/score-mdaux.c: New file.
2536 * config/score/score-mdaux.h: New file.
2537 * config/score/score-modes.def: New file.
2538 * config/score/score.opt: New file.
2539 * config/score/score-protos.h: New file.
2540 * config/score/score-version.h: New file.
2541 * config/score/t-score-elf: New file.
2542 * config.gcc: Add score*-*-* configurations(Update before).
2543 * doc/invoke.texi (Score Options): New section.
2544 * doc/md.texi (Score family): New section to document constraints.
2546 2006-10-19 Nick Clifton <nickc@redhat.com>
2548 * config/arm/arm.c: Fix spelling typo.
2550 2006-10-18 Tom Tromey <tromey@redhat.com>
2552 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
2554 2006-10-18 Jan Hubicka <jh@suse.cz>
2557 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
2560 2006-10-18 Marcin Dalecki <martin@dalecki.de>
2562 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
2563 TSI_SAME_STMT, since that's the desired entity.
2565 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
2567 * config/s390/contraints.md: New file.
2568 * config/s390/s390-protos.h (s390_mem_constraint,
2569 s390_O_constraint_str, s390_N_constraint_str,
2570 s390_float_const_zero_p): Function prototypes added.
2571 * config/s390/s390.c (s390_extra_constraint_str,
2572 s390_const_double_ok_for_constraint_p,
2573 s390_const_ok_for_constraint_p): Functions removed.
2574 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
2575 s390_float_const_zero_p): New functions.
2576 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
2577 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
2578 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
2579 Macro definitions removed.
2580 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
2581 s390_extra_constraint_str): Functions removed.
2583 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
2584 Richard Sandiford <richard@codesourcery.com>
2587 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
2588 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
2590 2006-10-16 Geoffrey Keating <geoffk@apple.com>
2592 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
2593 (DWARF2_FRAME_REG_OUT): Likewise.
2594 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
2595 (DWARF2_FRAME_REG_OUT): Likewise.
2597 2006-10-17 Paul Brook <paul@codesourcery.com>
2599 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
2601 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2603 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
2604 Standardize on "GNU Fortran" as the official name of the Fortran
2607 2006-10-16 Mike Stump <mrs@apple.com>
2609 * doc/invoke.texi (Darwin Options): Document -mkernel.
2610 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
2612 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
2613 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
2614 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
2615 (OS_MISSING_ALTIVEC): Add.
2616 * config/i386/i386.c (override_options): Add
2617 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
2618 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
2619 -mkernel, -static or -mdynamic-no-pic is given.
2620 (C_COMMON_OVERRIDE_OPTIONS): Add.
2621 * config/darwin.opt (fapple-kext): Add.
2623 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
2624 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
2626 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
2627 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
2628 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
2629 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
2630 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
2631 (flag_mkernel): Add.
2632 (flag_apple_kext): Add.
2633 (TARGET_KEXTABI): Add.
2634 * config/darwin.c (darwin_handle_kext_attribute): Add.
2635 (DARWIN_VTABLE_P): Add.
2636 (darwin_binds_local_p): Add partial support for rebinding vtables
2638 (darwin_kextabi_p): Add.
2639 (darwin_override_options): Add.
2640 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
2641 (darwin_kextabi_p): Add.
2642 (darwin_override_options): Add.
2643 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
2644 __DYNAMIC__ and __STATIC__ here.
2646 2006-10-16 Brooks Moses <bmoses@stanford.edu>
2648 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
2649 Added mention of "make pdf" target, and Texinfo requirements for
2652 2006-10-16 DJ Delorie <dj@redhat.com>
2654 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
2655 into the GOT in case we need a subreg of the address.
2657 2006-10-16 Richard Guenther <rguenther@suse.de>
2660 * doc/extend.texi (X86 Built-in Functions): Fix typos in
2661 SSE builtin documentation. Document SSE2 builtins.
2663 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2665 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
2666 symbol in the output file for non-shared links when -nostdlib or
2667 -nodefaultlibs isn't specified.
2669 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
2670 posix thread support.
2672 2006-10-15 Jan Hubicka <jh@suse.cz>
2675 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
2676 declared always_inline even when not inlining.
2678 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2679 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2680 Andrew Pinski <pinskia@gmail.com>
2683 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
2685 2006-10-15 Jan Hubicka <jh@suse.cz>
2686 Richard Guenther <rguenther@suse.de>
2689 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
2690 process_function_and_variable_attributes on all variables, including
2691 those discovered during cgraph construction phase.
2693 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
2695 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
2697 2006-10-14 Uros Bizjak <uros@kss-loka.si>
2699 * config/i386/athlon.md (athlon_fist): Add fisttp.
2701 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2702 Ian Lance Taylor <ian@airs.com>
2705 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
2706 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
2709 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
2711 * config/score/score.c, config/score/score.h: Fix comment
2714 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2717 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
2720 2006-10-13 Eric Christopher <echristo@apple.com>
2722 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2724 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2727 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2728 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2729 alignment supported by 32-bit ELF.
2731 2006-10-13 Eric Christopher <echristo@apple.com>
2733 * config/darwin.c (darwin_emit_unwind_label): Strip
2734 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
2736 2006-10-13 Richard Guenther <rguenther@suse.de>
2738 PR tree-optimization/29446
2739 * tree-vrp.c (fix_equivalence_set): Remove.
2740 (extract_range_from_assert): Do not call fix_equivalence_set.
2741 (debug_value_range): Print a newline.
2742 (compare_name_with_value): For equivalence sets with
2743 inconsistent value ranges conservatively bail out.
2744 (compare_names): Likewise.
2746 2006-10-13 David Edelsohn <edelsohn@gnu.org>
2748 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
2749 and MPFR for gfortran.
2751 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
2753 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
2754 alignment supported by 32-bit ELF.
2756 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
2760 * c-typeck.c (digest_init): Always allow initializing vectors
2761 that have static storage duration with compound literals.
2762 * tree.c (build_type_attribute_qual_variant): New, based on
2763 build_type_attribute_variant.
2764 (build_type_attribute_variant): Rewrite using the former.
2765 (make_vector_type): Use build_type_attribute_qual_variant to build
2766 type variants. Use type_hash_canon on the others.
2768 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
2769 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
2771 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
2773 2006-10-12 Jan Hubicka <jh@suse.cz>
2776 * c-decl.c (c_make_fname_decl): Do not segfault in case where
2777 current_function_decl is set but current_function_scope is not.
2779 2006-10-12 Jie Zhang <jie.zhang@analog.com>
2781 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
2782 emit_insn to emit eh_return_internal instruction.
2783 (eh_return_internal): Explicitly set pc.
2785 2006-10-11 Richard Guenther <rguenther@suse.de>
2787 PR tree-optimization/28230
2788 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
2789 to the correct place.
2791 2006-10-11 Richard Guenther <rguenther@suse.de>
2794 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
2797 2006-10-10 Brooks Moses <bmoses@stanford.edu>
2799 * configure.ac: Added pdf to "Make-hooks"
2800 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
2801 targets and *.pdf file patterns in cleanup targets.
2802 * configure: Regenerated.
2804 2006-10-10 Anatoly Sokolov <aesok@post.ru>
2806 * config/avr/predicates.md: New file.
2807 * config/avr/avr.md: Include it.
2808 (REG_SP): New constant.
2809 (peepholes): Use predicates.
2810 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
2811 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
2812 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
2814 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
2816 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
2819 2006-10-10 Jakub Jelinek <jakub@redhat.com>
2822 * builtins.c (var_decl_component_p): New function.
2823 (fold_builtin_memset, fold_builtin_memory_op): Restrict
2824 single entry optimization to variables and components thereof.
2826 2006-10-10 Richard Guenther <rguenther@suse.de>
2828 PR rtl-optimization/29323
2829 * except.c (set_nothrow_function_flags): For functions
2830 that do not bind local bail out early.
2832 2006-10-10 Ben Elliston <bje@au.ibm.com>
2834 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
2837 2006-10-09 Richard Henderson <rth@redhat.com>
2839 Revert emutls patch.
2841 2006-10-09 Richard Guenther <rguenther@suse.de>
2844 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
2847 2006-10-09 Steve Ellcey <sje@cup.hp.com>
2850 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
2851 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
2852 * configure: Regenerate.
2853 * config.in: Regenerate.
2855 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2857 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2859 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2861 * config/mips/mips.c (mips_legitimize_tls_address): Implement
2862 all TLS models in the same way as local exec if !TARGET_ABICALLS.
2863 Remove stray newline.
2865 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2867 * config/mips/mips.c (mips_classify_symbol): Do not return
2868 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
2869 (mips_in_small_data_p): Tweak comments.
2871 2006-10-08 Richard Sandiford <richard@codesourcery.com>
2873 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2875 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
2877 * gimplify.c, sched-int.h: Fix comment typos.
2879 * sched-int.h: Fix comment typos.
2881 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2883 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
2885 * sched-ebb.c (begin_schedule_ready): Use them.
2886 * haifa-sched.c (schedule_insn, move_insn, try_ready,
2887 add_to_speculative_block, create_check_block_twin, speculate_insn,
2888 fix_jump_move, move_block_after_check): Ditto.
2889 * sched-rgn.c (new_ready): Ditto.
2891 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2893 PR rtl-optimization/29128
2894 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
2895 * sched-ebb.c (advance_target_bb): Use it to fix condition to
2896 allow interblock movement of speculation checks.
2898 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
2901 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
2902 casted to integer type.
2903 (get_address_cost): Decrease cost of [symbol + index] addressing modes
2904 if they are significantly more expensive than [reg + index] ones.
2906 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2908 PR tree-optimization/29330
2909 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
2910 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
2911 on newly allocated ddrs.
2912 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
2913 to VEC (loop_p, heap) pointer.
2914 (compute_data_dependences_for_loop): Adjust caller.
2915 (free_dependence_relations): Free DDR_LOOP_NEST.
2917 * tree-loop-linear.c (linear_transform_loops): Don't forget to
2918 free DEPENDENCE_RELATIONS and DATAREFS.
2921 * builtins.c (expand_builtin_sync_operation,
2922 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
2923 Use convert_to_mode to handle promoted arguments.
2925 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2927 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
2929 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
2931 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2933 2006-10-05 Uros Bizjak <uros@kss-loka.si>
2935 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
2936 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
2937 Use <modeconstraint> instead of "r" as operand 1 constraint.
2939 2006-10-06 Olivier Hainque <hainque@adacore.com>
2941 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
2942 Don't recurse on the pointed-to type.
2943 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
2944 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
2945 types with components of variable size.
2947 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
2949 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2951 2006-10-06 Jakub Jelinek <jakub@redhat.com>
2953 PR tree-optimization/29290
2954 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
2958 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
2959 * config/i386/predicates.md (local_symbolic_operand): Likewise.
2962 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
2963 the number of vector elements fill the rest with zeros.
2965 2006-10-05 Richard Sandiford <richard@codesourcery.com>
2967 * config/mips/mips.c (mips_pass_by_reference): Do not return false
2968 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
2971 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
2973 * config/bfin/bfin.md (subsi3): Lose expander, change previously
2974 unnamed pattern into subsi3. Use correct constraints/predicates.
2975 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
2976 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2978 2006-10-05 Ira Rosen <irar@il.ibm.com>
2980 * doc/loop.texi: Add data references analysis description.
2982 2006-10-04 Brooks Moses <bmoses@stanford.edu>
2984 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2986 2006-10-04 Richard Henderson <rth@redhat.com>
2987 Jakub Jelinek <jakub@redhat.com>
2989 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
2990 * builtin-types.def (BT_WORD): Make unsigned.
2991 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2992 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2993 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2994 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2995 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2996 * cgraph.c (decide_is_variable_needed): Look at force_output.
2997 Recurse for emulated tls.
2998 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
2999 checks redundant with decide_is_variable_needed.
3000 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
3001 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
3003 * expr.c (emutls_var_address): New.
3004 (expand_expr_real_1): Expand emulated tls.
3005 (expand_expr_addr_expr_1): Likewise.
3006 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
3007 * output.h (emutls_finish): Declare.
3008 * toplev.c (compile_file): Call it.
3009 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
3010 address before wrapping in CONST.
3011 * varasm.c (emutls_htab, emutls_object_type): New.
3012 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
3013 (get_emutls_object_name, get_emutls_object_type): New.
3014 (get_emutls_init_templ_addr, emutls_decl): New.
3015 (emutls_common_1, emutls_finish): New.
3016 (assemble_variable): When emulating tls, swap decls; generate
3017 constructor for the emutls objects.
3018 (do_assemble_alias): When emulating tls, swap decl and target name.
3019 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
3021 * emutls.c: New file.
3022 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
3023 tls_object for real tls.
3025 2006-10-04 Zack Weinberg <zackw@panix.com>
3027 Fix bug in constraint-check generator, reported by Rask Ingemann
3029 * genpreds.c (add_constraint): Don't remove anything from the
3031 (write_tm_constrs_h): Detect whether "op" argument is used, and
3032 mark it ARG_UNUSED if it isn't.
3033 (write_insn_const_int_ok_for_constraint): Skip the part of the
3034 expression that would test whether "op" (which is not available
3035 here) is a CONST_INT.
3037 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
3040 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
3042 2006-10-03 Geoffrey Keating <geoffk@apple.com>
3044 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
3045 current Leopard versions.
3046 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
3048 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
3050 * doc/install.texi: Fix typos.
3052 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
3054 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
3055 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
3056 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
3058 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
3060 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
3061 arg to be struct mach_header_64* instead.
3063 2006-10-02 Jakub Jelinek <jakub@redhat.com>
3066 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
3067 side effects after the outer expression's post side effects.
3069 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
3071 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
3072 comments to reflect actual behavior and relationship between
3073 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
3075 * doc/c-tree.texi (Working with declarations): Fix documentation
3076 of FIELD_DECL likewise.
3078 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
3081 * doc/extend.texi: Add used variable attribute description.
3083 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
3086 * c.opt (Woverride-init): New.
3087 * c-opts.c (c_common_post_options): Default warn_override_init to
3089 * c-typeck.c (add_pending_init, output_init_element): Warn for
3090 overriding initializers without side effects.
3091 * doc/invoke.texi (-Woverride-init): Document.
3094 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
3096 PR rtl-optimization/28096
3097 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
3098 assignment has already been used as a destination earlier in the block.
3100 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
3102 * builtins.c (expand_builtin_setjmp): Delete.
3103 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
3104 <BUILT_IN_SETJMP_SETUP>: New case.
3105 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
3106 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
3107 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
3108 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
3109 (BUILT_IN_SETJMP_RECEIVER): Likewise.
3110 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
3111 (lower_function_body): Initialize it to false. If it is set to true
3112 at the end of the processing, emit the setjmp dispatcher.
3113 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
3114 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
3115 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
3116 on the rhs of the assignment.
3117 (lower_builtin_setjmp): New function.
3118 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
3119 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
3120 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
3121 to detect calls that can go to non-local labels. Use specific
3122 helper to create the abnormal edges associated with them.
3123 <MODIFY_EXPR>: Likewise.
3124 (make_abnormal_goto_edges): New function extracted from...
3125 (make_goto_expr_edges): ...here. Call it for computed gotos.
3126 (simple_goto_p): Minor tweak.
3127 (tree_can_make_abnormal_goto): New predicate.
3128 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
3129 (tree_purge_dead_abnormal_call_edges): New function.
3130 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
3131 (tree_purge_dead_abnormal_call_edges): Likewise.
3132 (make_abnormal_goto_edges): Likewise.
3133 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
3134 Purge all dead abnormal edges if the call was in the last statement.
3135 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
3136 (execute_fixup_cfg): If there are non-local labels in the function,
3137 scan the basic blocks and split them at calls that can go to non-local
3138 labels or add missing abnormal call edges. Write down the CFG in the
3140 (pass_fixup_cfg): Remove TODO_dump_func flag.
3141 * unwind-sjlj.c: Poison setjmp.
3142 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
3143 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
3144 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
3145 (DONT_USE_BUILTIN_SETJMP): Document it.
3147 2006-09-28 Geoffrey Keating <geoffk@apple.com>
3150 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
3151 to 1 when __ppc64__ is defined.
3152 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
3154 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
3156 2006-09-28 Steve Ellcey <sje@cup.hp.com>
3158 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
3159 * config/ia64/unwind-hpux.c: Delete.
3161 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
3163 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
3164 on the element before gimplifying it, instead of punting if it is of
3167 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
3169 * doc/loop.texi: New file.
3170 * doc/gccint.texi: Reference loop.texi.
3171 * Makefile.in (loop.texi): Add.
3173 2006-09-27 Geoffrey Keating <geoffk@apple.com>
3175 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
3177 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3178 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
3180 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
3182 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
3184 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
3186 * doc/install.texi: Document required versions of GMP and MPFR.
3188 2006-09-27 Paul Brook <paul@codesourcery.com>
3191 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
3193 2006-09-27 Richard Sandiford <richard@codesourcery.com>
3195 * reload1.c (alter_reg): Require the alignment of the stack slot to
3196 be at least reg_max_ref_width bytes.
3197 (scan_paradoxical_subregs): Record the largest width in
3200 2006-09-26 Jakub Jelinek <jakub@redhat.com>
3204 * tree-nested.c (struct nesting_info): Added static_chain_added.
3205 (convert_call_expr): Set static_chain_added when adding static
3206 chain. Handle OMP_PARALLEL and OMP_SECTION.
3208 2006-09-25 Matthias Klose <doko@debian.org>
3210 * doc/invoke.texi: Add missing full stop.
3212 2006-09-25 Richard Henderson <rth@redhat.com>
3214 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
3215 before cgraph_function_flags_ready.
3217 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
3218 Adam Nemet <anemet@caviumnetworks.com>
3220 * tree-ssa-loop-ivopts.c (aff_combination_convert,
3221 determine_common_wider_type): New functions.
3222 (get_computation_aff): Use them to simplify arithmetic between
3223 UBASE and CBASE if they are shortened from the same type.
3225 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
3228 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
3229 -2147483647 - 1 instead of 0x80000000.
3231 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
3233 * flags.h (HONOR_NANS): Fix typo in comment.
3235 2006-09-23 Uros Bizjak <uros@kss-loka.si>
3237 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
3239 2006-09-23 Jakub Jelinek <jakub@redhat.com>
3243 * tree.c (merge_attributes, attribute_list_contained): If both
3244 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
3246 * c-typeck.c (comptypes_internal): Don't consider aggregates
3247 in different TUs as compatible if there one set of attributes is
3248 not a subset of the other type's attributes.
3249 (composite_type): Try harder not to create a new aggregate type.
3251 2006-09-22 Geoffrey Keating <geoffk@apple.com>
3253 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
3254 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
3255 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
3256 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
3257 than replicating condition above.
3258 * config.host (i[34567]86-*-*): Always use driver-i386.o.
3260 * config/darwin.h (LINK_SYSROOT_SPEC): New.
3261 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
3262 the linker by default.
3264 2006-09-22 Mike Stump <mrs@apple.com>
3266 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
3269 2006-09-22 Richard Guenther <rguenther@suse.de>
3272 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
3273 sort of stack variables stable.
3275 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
3278 * explow.c (force_reg): Set REG_POINTER flag according to
3281 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
3283 PR tree-optimization/28888
3284 * tree-if-conv.c (combine_blocks): Rewritten.
3285 * tree-cfg.c (tree_verify_flow_info): Check that edges with
3286 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
3288 2006-09-22 Jakub Jelinek <jakub@redhat.com>
3290 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
3293 2006-09-21 Richard Sandiford <richard@codesourcery.com>
3295 * varasm.c (copy_constant): Fix reversed gcc_assert check.
3297 2006-09-21 Janis Johnson <janis187@us.ibm.com>
3299 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
3301 2006-09-21 Roger Sayle <roger@eyesopen.com>
3304 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
3305 dw_fde_current_label, to be the start of the function, i.e. the same
3306 value as dw_fde_begin.
3308 2006-09-20 Richard Sandiford <richard@codesourcery.com>
3310 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
3311 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
3312 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
3313 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
3314 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
3315 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
3316 (abs<mode>2, neg<mode>2): Likewise.
3317 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
3318 (*mips_abs_ps): New define_insn.
3320 2006-09-20 Josh Conner <jconner@apple.com>
3323 * calls.c (expand_call): Allow reuse of structure return stack
3326 2006-09-20 Paul Brook <paul@codesourcery.com>
3328 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
3331 2006-09-20 Janis Johnson <janis187@us.ibm.com>
3333 * doc/extend.texi (Decimal Float): Update for latest draft TR,
3334 clean up terminology.
3336 2006-09-20 Steve Ellcey <sje@cup.hp.com>
3339 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
3340 with tablejumps in them.
3342 2006-09-20 Jakub Jelinek <jakub@redhat.com>
3345 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
3346 wrap it into TARGET_EXPR.
3348 2006-09-20 Eric Christopher <echristo@apple.com>
3350 * config/i386/i386.c (x86_fisttp): Remove.
3351 * config/i386/i386.h (x86_fisttp): Ditto.
3352 (TARGET_FISTTP): Ditto.
3354 2006-09-19 Eric Christopher <echristo@apple.com>
3356 * doc/tm.texi (OBJC_JBLEN): Describe.
3357 * config/i386/darwin.h (OBJC_JBLEN): Define.
3358 * config/rs6000/darwin.h: Ditto.
3360 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
3362 PR rtl-optimization/21299
3363 * reload1.c (reload): Purge invalid ASMs in the final pass.
3365 2006-09-19 Steve Ellcey <sje@cup.hp.com>
3368 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
3369 pointers as legitimate constants.
3371 2006-09-19 Paul Brook <paul@codesourcery.com>
3374 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
3376 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
3378 PR tree-optimization/28887
3379 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
3380 component parts from the reference.
3381 (gather_memory_references_ref): Record the reference without the
3382 nonaddressable component parts.
3384 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
3387 * c-opts.c (c_common_handle_option): Ignore the -std options
3388 if the input language is assembly.
3390 2006-09-17 Ira Rosen <irar@il.ibm.com>
3393 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
3395 (ptr_ptr_may_alias_p): Likewise.
3396 (record_record_differ_p): New function.
3397 (base_object_differ_p): Call record_record_differ_p.
3399 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3402 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
3403 away for the expr argument.
3405 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3408 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
3409 before using it for dumping after vectorizing loops.
3411 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
3412 Jack Howarth <howarth@bromo.med.uc.edu>
3415 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
3416 skip on error_mark_node.
3417 (rs6000_darwin64_record_arg_recurse): Likewise.
3419 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
3421 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
3422 * doc/rtl.texi: Remove related documentation.
3424 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
3426 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
3429 2006-09-15 Jim Wilson <wilson@specifix.com>
3431 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
3432 Handle symbol offsets same as they are handled in ia64_expand_move
3435 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
3437 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
3438 Add forgotten parameter to the fprintf call.
3440 2006-09-15 Steve Ellcey <sje@cup.hp.com>
3442 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
3444 2006-09-15 Uros Bizjak <uros@kss-loka.si>
3446 * doc/contrib.texi: Add my entry.
3448 2006-09-15 Nick Clifton <nickc@redhat.com>
3450 * doc/md.texi (Processor pipeline description): Fix typo in
3451 example of how to use the absence_set directive and reword the
3452 description to make it slightly easier to read.
3454 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
3456 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
3457 * loop-doloop.c (doloop_optimize): Use it to limit costs of
3458 expanding the number of iterations.
3459 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
3461 * cfgrtl.c (emit_insn_at_entry): New function.
3462 * rtl.h (emit_insn_at_entry): Declare it.
3463 * integrate.c (emit_initial_value_sets): Use it.
3465 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
3467 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
3469 (struct loop_work and related VEC declarations): Delete.
3470 (bfin_dump_loops): Print out new member bad.
3471 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
3472 (bfin_scan_loop): Don't recurse.
3473 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
3474 loops. No longer need to update outer loops if the current one is
3475 found bad. Move some validitiy checks to bfin_discover_loop.
3476 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
3477 but changed not to check for nesting. Also changed to use the new bad
3479 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
3480 time. Use bitmap based test to discover loop nesting.
3482 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
3484 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
3487 2006-09-14 Richard Guenther <rguenther@suse.de>
3488 Kazu Hirata <kazu@codesourcery.com>
3490 PR middle-end/28884.
3491 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
3492 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
3493 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
3494 with TARGET_FUNCTION_VALUE.
3496 2006-09-14 Anatoly Sokolov <aesok@post.ru>
3499 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
3501 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
3503 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
3506 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3509 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
3512 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3514 * basic_block.h (bb_has_eh_pred): Fix comment.
3516 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
3518 * flow.c (calculate_global_regs_live): Invalidate eh registers
3519 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
3520 (propagate_block): Handle eh registers as if they were set at basic
3522 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
3524 * global.c (global_conflicts): Make eh registers to conflict with
3525 pseudos live at basic block begin.
3526 * basic_block.h (bb_has_eh_pred): New function.
3528 2006-09-13 Richard Sandiford <richard@codesourcery.com>
3530 PR rtl-optimization/28982
3531 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
3532 index of a PRE_MODIFY or POST_MODIFY address.
3533 * reload1.c (inc_for_reload): Use find_replacement on the original
3534 base and index registers.
3536 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
3538 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
3539 for -Os. Update __m128 alignment requirement.
3541 2006-09-13 Jan Hubicka <jh@suse.cz>
3543 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
3545 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3547 PR rtl-optimization/28243
3548 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
3549 the insn to which the note was originally attached.
3551 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3552 Roger Sayle <roger@eyesopen.com>
3554 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
3555 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
3556 on platforms that don't use dwarf for debug info.
3558 2006-09-12 Jason Merrill <jason@redhat.com>
3561 * builtins.c (expand_builtin_setjmp_receiver): Clobber
3562 hard_frame_pointer_rtx after using it to update the frame pointer.
3564 2006-09-12 Roger Sayle <roger@eyesopen.com>
3566 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
3567 (TARGET_ASM_CLOSE_PAREN): Likewise.
3568 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
3569 (TARGET_ASM_CLOSE_PAREN): Likewise.
3571 2006-09-12 Roger Sayle <roger@eyesopen.com>
3574 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
3575 frame information for frames larger than 512 Kbytes on Tru64 when
3576 using the native assembler.
3578 2006-09-12 Roger Sayle <roger@eyesopen.com>
3582 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
3583 and symbols. Instead use the implementation from cse.c's hash_rtx.
3585 2006-09-12 Jan Hubicka <jh@suse.cz>
3587 PR rtl-optimization/28071
3588 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
3589 (vect_transform_loop): Likewise.
3590 * tree-vectorizer.c (new_loop_vec_info): Likewise.
3591 (new_loop_vec_info): Likewise.
3592 (destroy_loop_vec_info): Likewise.
3593 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
3594 (create_stmt_ann): Likewise.
3595 (create_tree_ann): Rename to ...
3596 (create_tree_common_ann): ... this one; allocate only the common part
3598 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
3599 (get_value_handle): Likewise.
3600 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
3601 get_tree_common_ann.
3602 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
3603 (vinfo_for_stmt): Use stmt annotations.
3604 * tree-flow.h (tree_ann_common_t): New type.
3605 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
3606 (tree_ann, get_tree_ann, create_tree_ann): New.
3607 * tree-flow-inline.h (get_function_ann): Do more type checking.
3608 (stmt_ann): Likewise.
3609 (tree_ann): Rename to ...
3610 (tree_common_ann): ... this one; return ony common_ann
3611 (get_tree_ann): Rename to ...
3612 (tree_common_ann): This one; return only common_ann.
3613 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
3616 2006-09-11 Geoffrey Keating <geoffk@apple.com>
3618 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
3619 with_cpu by default.
3621 * dwarf2out.c (dwarf_file_data): New.
3622 (enum dw_val_class): Add dw_val_class_file.
3623 (struct dw_val_struct): Add val_file.
3624 (file_table): Change to a hash table.
3625 (file_table_emitted): Delete.
3626 (file_table_last_lookup_index): Delete.
3627 (emitcount): Delete.
3628 (last_emitted_file): New.
3629 (lookup_filename): Change prototype to return a struct dwarf_file_data.
3630 (init_file_table): Delete.
3631 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
3632 (AT_addr): Add comment.
3636 (print_die): Handle dw_val_class_file.
3637 (print_dwarf_line_table): Update for new file table structure.
3638 (attr_checksum): Do checksum a filename.
3639 (same_dw_val_p, same_attr_p): Do compare a filename.
3640 (size_of_die): Handle dw_val_class_file.
3641 (value_format): Likewise.
3642 (output_die): Likewise. Also, call maybe_emit_file here.
3643 (struct file_info): Constify filenames. Make file_idx a pointer
3644 to a struct dwarf_file_data.
3645 (struct dir_info): Constify directory names. Remove 'used' field.
3646 (struct file_name_acquire_data): New.
3647 (file_name_acquire): New.
3648 (output_file_names): Modify to handle new file data structures.
3649 (add_src_coords_attributes): Use add_AT_file.
3650 (add_call_src_coords_attributes): Likewise.
3651 (dwarf2out_imported_module_or_decl): Likewise.
3652 (gen_subprogram_die): Modify for new file data structures.
3653 (gen_variable_die): Likewise.
3654 (file_table_eq): New.
3655 (file_table_hash): New.
3656 (file_table_last_lookup): New.
3657 (lookup_filename): Rewrite to handle new file data structures.
3658 (maybe_emit_file): Rewrite to handle new file data structures.
3659 (dwarf2out_source_line): Always call lookup_filename and
3661 (dwarf2out_init): Create file_table here.
3662 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
3663 (file_table_relative_p): New.
3664 (dwarf2out_finish): Change detection of relative filenames
3665 to work with new file data structures. Move output_line_info call
3666 after debug_info output.
3668 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
3673 * config/i386/i386.c (override_options): Always default to 16
3674 byte stack boundary.
3676 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
3679 * var-tracking.c (dump_dataflow_set): Start dumping at
3681 (clobber_variable_part): Kill only the variable part in
3682 registers holding it, leaving other variables alone.
3684 2006-09-11 Josh Triplett <josh@freedesktop.org>
3686 * doc/extend.texi (Other Builtins): Actually use the macro
3687 argument in the documentation example for
3688 __builtin_types_compatible_p.
3690 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3692 PR rtl-optimization/28726
3693 * sched-deps.c (sched_analyze_reg): New function extracted from...
3694 (sched_analyze_1): ...here. Call it to analyze references to
3695 registers. Treat again writes to a stack register as writing to the
3697 (sched_analyze_2): ...and here. Call it to analyze references to
3698 registers. Treat again reads of a stack register as reading the
3701 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
3702 David Edelsohn <edelsohn@gnu.org>
3705 * config/rs6000/spe.md (frob_df_di): Remove %H.
3706 (frob_di_df): Remove %H. Change evmergelo to mr.
3707 (frob_di_df_2): Remove %H. Change evldd to two loads.
3709 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
3711 * doc/cpp.texi: Fix names of charset options.
3713 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
3716 * config/i386/i386.c (override_options): Use 128-bit
3717 stack boundary always for 64bits.
3719 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3721 PR rtl-optimization/28636
3722 * combine.c (force_to_mode): Test for side-effects before
3723 substituting by zero.
3724 (simplify_shift_const): Likewise for zero or other constants.
3726 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
3729 * builtins.c (expand_builtin_setjmp): Force next_lab to be
3732 2006-09-10 Richard Sandiford <richard@codesourcery.com>
3735 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
3736 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
3737 returned by mode_for_size, rather than the mode of src itself,
3738 to choose between 32-bit and 64-bit patterns.
3739 (mips_mem_fits_mode_p): New function.
3740 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
3741 that the size of the source matches the size of the destination.
3742 (mov_<store>l, mov_<store>r): Likewise.
3744 2006-09-10 Eric Christopher <echristo@apple.com>
3746 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
3749 2006-09-09 Eric Christopher <echristo@apple.com>
3752 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
3755 2006-09-09 Roger Sayle <roger@eyesopen.com>
3756 Nicolas Setton <setton@adacore.com>
3758 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
3760 2006-09-10 Andreas Schwab <schwab@suse.de>
3762 * config/m68k/m68k.md (bungt_rev): New pattern.
3764 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
3765 Dale Johannesen <dalej@apple.com>
3768 * regclass.c (struct reg_pref): Update documentation.
3769 (regclass): Set prefclass to NO_REGS if memory is the best option.
3770 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3772 2006-09-08 Eric Christopher <echristo@apple.com>
3774 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
3775 * config/t-slibgcc-darwin: Support x86_64 multilib.
3776 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
3777 Return 1 for x86_64-darwin.
3778 * config/i386/t-darwin: Add m64 multilib.
3779 (LIB2_SIDITI_CONV_FUNCS): Use.
3780 (LIB2FUNCS_EXTRA): Ditto.
3781 * config/i386/darwin.h: Support x86_64.
3782 * config/i386/i386.c (override_options): Turn on flag_pic
3783 for x86_64-darwin. Disable flag_omit_pointer.
3784 (get_pc_thunk_name): Assert !TARGET_64BIT.
3785 (legitimate_address_p): Disable machopic addressing for
3787 (legitimize_pic_address): Ditto.
3788 (ix86_expand_move): Ditto.
3789 (ix86_expand_call): Ditto.
3790 (machopic_output_stub): Ditto.
3791 * config/darwin.c (machopic_select_section): Support literal16.
3792 (machopic_select_rtx_section): Ditto.
3793 * config/darwin-sections.def: Ditto.
3794 * config/darwin-64.c: New.
3796 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
3799 * c-tree.h (struct c_arg_info): Add pending_sizes.
3800 * c-parser.c (c_parser_parms_declarator,
3801 c_parser_parms_list_declarator): Initialize pending_sizes.
3802 * c-decl.c (get_parm_info): Initialize pending_sizes.
3803 (get_parm_info): Set pending_sizes.
3804 (grokdeclarator): Call put_pending_sizes for parameters for
3805 function definition only.
3807 2006-09-07 Jason Merrill <jason@redhat.com>
3810 * varasm.c (output_constant): Only strip actual no-op conversions.
3813 * config/i386/i386.c (override_options): Use 128-bit
3814 stack boundary if -msse.
3816 2006-09-07 Eric Christopher <echristo@apple.com>
3818 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
3820 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
3823 2006-09-07 Geoffrey Keating <geoffk@apple.com>
3825 * dwarf2out.c: Remove strange characters from comment above
3826 dwarf2out_frame_debug_expr.
3828 2006-09-07 Eric Christopher <echristo@apple.com>
3830 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
3831 * config/darwin.h: ... to here.
3833 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
3835 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
3837 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
3838 (TARGET_PARTIAL_FLAG_REG_STALL): New.
3840 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
3841 TARGET_PARTIAL_FLAG_REG_STALL.
3842 (*ashldi3_cconly_rex64): Likewise.
3843 (*ashlsi3_cmp): Likewise.
3844 (*ashlsi3_cconly): Likewise.
3845 (*ashlsi3_cmp_zext): Likewise.
3846 (*ashlhi3_cmp): Likewise.
3847 (*ashlhi3_cconly): Likewise.
3848 (*ashlqi3_cmp): Likewise.
3849 (*ashlqi3_cconly): Likewise.
3850 (*ashrdi3_cmp_rex64): Likewise.
3851 (*ashrdi3_cconly_rex64): Likewise.
3852 (*ashrsi3_cmp): Likewise.
3853 (*ashrsi3_cconly): Likewise.
3854 (*ashrsi3_cmp_zext): Likewise.
3855 (*ashrhi3_cmp): Likewise.
3856 (*ashrhi3_cconly): Likewise.
3857 (*ashrqi3_cmp): Likewise.
3858 (*ashrqi3_cconly): Likewise.
3859 (*lshrdi3_cmp_rex64): Likewise.
3860 (*lshrdi3_cconly_rex64): Likewise.
3861 (*lshrsi3_cmp): Likewise.
3862 (*lshrsi3_cconly): Likewise.
3863 (*lshrsi3_cmp_zext): Likewise.
3864 (*lshrhi3_cmp): Likewise.
3865 (*lshrhi3_cconly): Likewise.
3866 (*lshrqi2_cmp): Likewise.
3867 (*lshrqi2_cconly): Likewise.
3869 2006-09-07 Uros Bizjak <uros@kss-loka.si>
3872 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
3873 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
3874 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
3875 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
3876 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
3877 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
3878 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
3879 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
3880 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
3881 implement only CC setting effects of shift instructions.
3883 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
3885 * doc/contrib.texi: Add myself.
3887 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
3890 * stor-layout.c (relayout_decl): Don't zero the alignment if it
3891 was set by the user.
3893 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
3896 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
3897 (divsi_inv_m1): Use them.
3898 (UNSPEC_DIV_INV_TABLE): New constant.
3900 2006-09-06 James E Wilson <wilson@specifix.com>
3903 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
3904 then call count_or_remove_death_notes.
3906 2006-09-06 Jason Merrill <jason@redhat.com>
3909 * tree-inline.c (copy_result_decl_to_var): New fn.
3910 (declare_return_variable): Use it. Call declare_inline_vars here.
3911 (expand_call_inline): Not here.
3913 2006-09-06 Diego Novillo <dnovillo@redhat.com>
3915 * doc/contrib.texi: Update my entry.
3917 2006-09-06 Nick Clifton <nickc@redhat.com>
3919 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
3921 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3924 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
3925 (canonicalize_induction_variables): Likewise.
3926 (tree_unroll_loops_completely): Likewise.
3927 (tree_ssa_prefetch_arrays): Likewise.
3928 (remove_empty_loops): Likewise.
3929 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
3930 TODO_cleanup_cfg instead of directly calling
3931 cleanup_tree_cfg_loop.
3932 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
3934 (tree_unroll_loops_completely): Likewise.
3935 (remove_empty_loops): Likewise.
3936 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
3937 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
3938 of tree_ssa_unswitch_loops.
3939 (tree_ssa_loop_ivcanon): Use the return value of
3940 canonicalize_induction_variables.
3941 (tree_ssa_empty_loop): Use the return value of
3943 (tree_complete_unroll): Use the return value of
3944 tree_unroll_loops_completely.
3945 (tree_ssa_loop_prefetch): Use the return value of
3946 tree_ssa_prefetch_arrays.
3947 * passes.c (execute_todo): Before Cleanup CFG, set
3948 updating_used_alone and after cleanup CFG, call
3949 recalculate_used_alone.
3951 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
3954 * tree-vect-transform.c (vectorizable_condition): Move the check
3955 for the type after the check for simple condition.
3957 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
3958 Kaz Kojima <kkojima@gcc.gnu.org>
3961 * mode-switching.c (optimize_mode_switching): Make the destination
3962 block of an abnormal edge have no anticipatable mode. Don't
3963 insert mode switching code at the end of the source block of
3966 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
3968 PR rtl-optimization/26847
3969 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
3970 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
3971 (simplify_plus_minus): Count n_constants while filling ops. Replace
3972 qsort with insertion sort. Before going through the array to simplify
3973 pairs, sort it. Delay early exit until after the first sort, exiting
3974 only if no swaps occurred. Simplify pairs in reversed order, without
3975 special-casing the first iteration. Pack ops after simplifying pairs.
3977 2006-09-05 Anatoly Sokolov <aesok@post.ru>
3979 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
3980 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3981 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3982 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
3984 2006-09-05 Richard Guenther <rguenther@suse.de>
3986 PR tree-optimization/28900
3987 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
3988 compound conditional before creating COND_EXPR condition.
3990 2006-09-05 Richard Guenther <rguenther@suse.de>
3992 PR tree-optimization/28905
3993 * tree-vrp.c (fix_equivalence_set): Manually implement
3994 !value_ranges_intersect_p to also handle symbolic ranges.
3996 2006-09-05 Richard Guenther <rguenther@suse.de>
3999 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
4002 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4004 PR rtl-optimization/27616
4005 * cse.c (table_size): New static variable.
4006 (new_basic_block): Initialize it to 0.
4007 (remove_from_table): Decrement it.
4008 (insert): Increment it.
4009 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
4010 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
4011 fold_rtx_mem_1 if under the cap.
4012 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
4013 the lookup of the equivalent expression and test for equality of the
4014 first operand of the equivalent expression before in turn looking up
4015 an equivalent constant for the second operand.
4017 2006-09-02 Geoffrey Keating <geoffk@apple.com>
4020 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4021 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4022 pointer, instead of assuming it is possible to derive the
4023 correct args size from a call insn.
4025 2006-09-02 Jakub Jelinek <jakub@redhat.com>
4028 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
4029 (fold_builtin_mempcpy): Rename to...
4030 (fold_builtin_memory_op): ... this. Optimize one element copy
4032 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
4034 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
4035 (expand_builtin_memcpy, expand_builtin_mempcpy,
4036 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
4037 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
4038 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
4039 BUILT_IN_MEM{CPY,PCPY,MOVE}.
4041 2006-09-01 DJ Delorie <dj@redhat.com>
4043 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
4044 (stzx_16): Likewise.
4045 ("stzx_24_<mode>"): Likewise.
4046 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
4047 ("cmp<mode>_op"): New.
4048 (cmp<mode>): Change to expander; just save operands.
4050 (b<code>): Change to expander, emit compare here.
4051 (s<code>_op): Change to use split and expander.
4052 (s<code>_24_op): Likewise.
4053 (s<code>_<mode>): New.
4054 (s<code>_<mode>_24): New.
4055 (movqicc_<code>_<mode): New.
4056 (movhicc_<code>_<mode>): New.
4059 * config/m32c/m32c.c (compare_op0, compare_op1): New.
4060 (m32c_pend_compare): New.
4061 (m32c_unpend_compare): New.
4062 (m32c_expand_scc): New.
4063 (m32c_expand_movcc): Emit the compare also.
4064 * config/m32c/predicates.md (mra_nopp_operand): New.
4066 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
4067 Richard Guenther <rguenther@suse.de>
4068 Adam Nemet <anemet@caviumnetworks.com>
4071 * builtins.c (get_pointer_alignment): Handle more forms
4072 of base addresses that can be used to derive more precise
4073 information about alignment.
4075 2006-09-01 Jason Merrill <jason@redhat.com>
4078 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
4081 * gimplify.c (voidify_wrapper_expr): Handle null type.
4083 2006-09-01 Josh Conner <jconner@apple.com>
4086 * tree-nrv.c (dest_safe_for_nrv_p): New function.
4087 (execute_return_slot_opt): Use it.
4089 2006-08-31 Josh Conner <jconner@apple.com>
4092 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
4093 returning aggregates.
4095 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
4097 PR tree-optimization/28839
4098 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
4099 blocks in that phi arguments appear.
4101 2006-08-31 Roger Sayle <roger@eyesopen.com>
4104 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
4105 NULL, otherwise use an advance_loc4 to adjust relative to the
4107 (output_cfi) <DW_CFA_set_loc>: Update the current label.
4108 (dwarf2out_switch_text_section): Reset the current label to avoid
4109 using advance_loc4 over section boundaries.
4111 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
4114 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
4115 r12 + SYMBOLIC_CONST.
4117 2006-08-30 Richard Guenther <rguenther@suse.de>
4119 * Makefile.in (see.o): Add $(EXPR_H) dependency.
4121 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
4123 PR rtl-optimization/27735
4124 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
4125 Add new argument to keep track of whether an irreducible region
4126 was affected. All callers changed.
4127 (fix_irreducible_loops): Removed.
4128 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
4129 flags were invalidated.
4131 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
4133 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
4134 instead of SF operands.
4135 (*fop_df_comm_sse): Likewise.
4136 (*fop_df_comm_i387): Likewise.
4137 (*fop_df_1_mixed): Likewise.
4138 (*fop_df_1_sse): Likewise.
4140 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4141 J"orn Rennecke <joern.rennecke@st.com>
4143 PR tree-optimization/17506
4144 * tree-ssa.c (warn_uninit): If warning about a location outside of
4145 the current function, note where the variable was declared.
4147 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
4149 PR tree-optimization/28411
4150 * double-int.c (double_int_div): Use double_int_divmod.
4151 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
4152 double_int_mod, double_int_smod, double_int_umod): New functions.
4153 * double-int.h (double_int_divmod, double_int_sdivmod,
4154 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
4156 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
4158 (get_computation_aff, get_computation_cost_at): Handle double_int
4159 return type of constant_multiple_of.
4161 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
4164 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
4165 an implicit conversion.
4167 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
4169 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
4171 2006-08-27 Roger Sayle <roger@eyesopen.com>
4173 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
4176 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
4178 * config/i386/crtfastmath.c: Fix a comment typo.
4180 2006-08-26 Roger Sayle <roger@eyesopen.com>
4182 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
4183 temporary visit flags on CASE_LABEL_EXPRs.
4184 * c-common.c (match_case_to_enum): Add function comment. Avoid
4185 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
4186 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
4187 CASE_HIGH_SEEN for enumerated types. If the switch expression is
4188 a constant, only warn if that constant value isn't handled.
4190 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
4193 * input.h (restore_input_file_stack): Declare.
4194 (INPUT_FILE_STACK_BITS): Define.
4195 * toplev.c (fs_p, input_file_stack_history,
4196 input_file_stack_restored, restore_input_file_stack): New.
4197 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
4198 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
4199 (pop_srcloc): Don't free old state of stack.
4201 2006-08-26 David Edelsohn <edelsohn@gnu.org>
4204 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
4205 (PowerPC Type Attributes): New.
4207 2006-08-26 Bob Wilson <bob.wilson@acm.org>
4209 * config/xtensa/xtensa.c (function_arg_boundary): New.
4210 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
4212 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
4213 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
4215 2006-08-26 Jakub Jelinek <jakub@redhat.com>
4218 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
4221 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4223 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
4224 (verify_local_live_at_start): Likewise.
4226 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4229 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
4230 omp_add_variable): Treat sizes as variable whenever not
4233 2006-08-26 Richard Guenther <rguenther@suse.de>
4236 * fold-const.c (fold_binary): Fold temporary to correct
4237 type before constructing new comparison.
4239 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
4242 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
4243 variable again if DECL_SEEN_IN_BIND_EXPR_P.
4245 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
4248 * c-decl.c (start_function): Don't try to process prototype
4249 information from old declaration that isn't a function.
4251 2006-08-25 Jan Hubicka <jh@suse.cz>
4254 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
4256 2006-08-25 Alan Modra <amodra@bigpond.net.au>
4259 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
4262 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
4264 PR tree-optimization/16876
4265 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
4266 exit if PARM doesn't match VALUE.
4268 2006-08-25 Bob Wilson <bob.wilson@acm.org>
4270 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
4271 literal_prefix directive.
4272 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
4273 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4274 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
4276 2006-08-25 David Edelsohn <edelsohn@gnu.org>
4279 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
4280 predicate to general_operand. Add 0->y and I->r alternatives.
4282 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
4284 * doc/tm.texi: Fix a typo.
4285 * predict.c: Fix comment typos.
4287 2006-08-25 Nick Clifton <nickc@redhat.com>
4289 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
4290 assertions of "cpu" and "machine".
4292 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
4295 * tree-ssa-operands.c (access_can_touch_variable): Don't say
4296 the access through a base which has an alias set of 0 cannot
4299 2006-08-24 Bill Wendling <wendling@apple.com>
4301 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
4303 2006-08-24 Jan Hubicka <jh@suse.cz>
4305 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
4307 2006-08-24 Jan Hubicka <jh@suse.cz>
4310 * cgraph.c: Fix comments.
4311 (cgraph_varpool_mark_needed_node): Mark only variables not already
4313 * cgraphunit.c: Update comments; include gt-cgraphunit.h
4314 (cgraph_varpool_assembled_nodes_queue): New static variable.
4315 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
4316 (cgraph_varpool_output_debug_info): New function.
4317 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
4318 * Makefile.in: Add gt-cgraphunit.h
4320 2006-08-24 Jan Hubicka <jh@suse.cz>
4322 * predict.c (probability_reliable_p): New predicate.
4323 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
4324 (predict_loops): Do not predict loop exit with less than 2%
4326 * basic-block.h (edge_probability_reliable_p,
4327 br_prob_note_reliable_p): Declare.
4328 * ia64.h (ia64_print_operand): Do not disable on-chip branch
4329 prediction when static predictor is not reliable.
4330 * rs6000.c (output_cbranch): Likewise.
4332 2006-08-23 Stuart Hastings <stuart@apple.com>
4335 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
4336 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
4338 2006-08-21 Geoffrey Keating <geoffk@apple.com>
4341 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
4342 complex values, nor for generic vector values.
4344 2006-08-22 Richard Guenther <rguenther@suse.de>
4347 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
4348 parameter. Convert arguments to arithmetic expression to the
4350 (analyze_scalar_evolution_1): Adjust caller.
4352 2006-08-22 Jan Hubicka <jh@suse.cz>
4354 Patch by Paolo Bonzini
4355 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
4358 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
4360 PR tree-optimization/28003
4361 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
4362 before grouping aliases.
4364 2006-08-22 Roger Sayle <roger@eyesopen.com>
4366 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
4367 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
4369 2006-08-21 Jason Merrill <jason@redhat.com>
4372 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
4373 wrapper. Loop to handle nested wrappers.
4374 (gimplify_bind_expr): Remove temp parameter.
4375 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
4376 and STATEMENT_LIST on the rhs.
4377 (gimplify_statement_list): Voidify the STATEMENT_LIST.
4378 (gimplify_expr): Pass pre_p to gimplify_statement_list.
4379 (gimplify_target_expr): Remove special BIND_EXPR handling.
4381 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
4383 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
4386 2006-08-21 Olivier Hainque <hainque@adacore.com>
4388 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
4389 Arrange for the temporary captures of components overlapping the lhs
4390 to happen before the lhs is possibly cleared.
4392 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
4394 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
4395 necessary places to pass the correct "number of registers" values
4398 2006-08-20 Jan Hubicka <jh@suse.cz>
4400 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
4401 (create_name_tags): Instead of quadratic checking use hashtable.
4402 * bitmap.h: Include hashtab.h.
4403 (bitmap_hash): Declare.
4404 * bitmap.c (bitmap_hash): New function.
4406 2006-08-20 Jan Hubicka <jh@suse.cz>
4408 PR rtl-optimization/28071
4409 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
4411 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
4412 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
4413 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
4414 cgraph_decide_inlining_incrementally): Update use of
4415 cgraph_check_inline_limits.
4416 * cgraph.c (edge_hash, edge_eq): New function.
4417 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
4418 cgraph_edge_remove_caller, cgraph_node_remove_callees,
4419 cgraph_remove_node): Maintain call site hash.
4420 * cgraph.h (struct cgraph_node): Add call_site_hash.
4421 (cgraph_set_call_stmt): New function.
4423 2006-08-20 Jan Hubicka <jh@suse.cz>
4425 PR rtl-optimization/28071
4426 * reload1.c (reg_has_output_reload): Turn into regset.
4427 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
4428 choose_reload_regs, emit_reload_insns): Update to new
4429 reg_has_output_reload.
4431 2006-08-20 Jan Hubicka <jh@suse.cz>
4434 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
4435 function body sizes.
4436 * cgraphunit.c (cgraph_analyze_function): Don't do so.
4438 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
4441 * tree.c (handle_dll_attribute): Return early if not a
4442 var or function decl.
4444 2006-08-18 Joseph Myers <joseph@codesourcery.com>
4447 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
4448 alignment of SPE vector types.
4450 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
4452 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
4454 2006-08-17 Jakub Jelinek <jakub@redhat.com>
4457 * cgraph.h (struct cgraph_node): Remove externally_visible
4459 * cgraphunit.c (process_function_and_variable_attributes): Set
4460 local.externally_visible rather than externally_visible.
4463 * c-common.c (handle_externally_visible_attribute): First look
4464 at TREE_CODE and only if it is function or var decl, check for
4465 non-public objects. Don't warn for DECL_EXTERNAL.
4466 * cgraphunit.c (process_function_and_variable_attributes): Warn
4467 if externally_visible attribute is used on non-public object.
4469 2006-08-17 Jan Hubicka <jh@suse.cz>
4471 PR tree-optimization/27865
4472 * reload1.c (forget_marked_reloads): New function.
4473 (forget_old_reloads_1): When data are passed, just mark the registers
4475 (reload_as_needed): Use the new mechanizm.
4477 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
4480 * reload.h (reg_equiv_alt_mem_list): New declaration.
4481 * reload1.c (reg_equiv_alt_mem_list): New definition.
4482 (reload): Initialize it and release it.
4483 (delete_output_reload): Use it.
4484 * reload.c (push_reg_equiv_alt_mem): New function.
4485 (find_reloads_toplev): Call it.
4486 (find_reloads_address, find_reloads_address_1): Likewise.
4487 (find_reloads_subreg_address): Likewise.
4489 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4491 PR rtl-optimization/28489
4492 * sched-ebb.c (begin_schedule_ready): Create basic block
4494 (advance_target_bb): Skip empty blocks.
4495 * haifa-sched.c (bb_note): Make global.
4496 * sched-int.h (bb_note): Add prototype.
4498 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4500 PR tree-optimization/27865
4501 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
4503 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
4504 fold_used_pointer, pointer_used_p): New functions.
4505 (analyze_scalar_evolution_1): Use fold_used_pointer.
4506 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
4507 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
4510 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
4513 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
4514 or the INTEGER_CST. Fail on a CALL_EXPR.
4515 (fold_offsetof): Pass new argument to fold_offsetof_1.
4516 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
4517 operand into an INDIRECT_REF.
4518 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
4520 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4522 PR gcov/profile/26570
4523 * value-prof.c (static_values): Removed.
4524 (tree_find_values_to_profile): Do not set static_values.
4525 (find_values_to_profile): Do not free static_values.
4526 * profile.c (instrument_values): Do not free the values.
4527 (branch_prob): Free the values.
4529 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
4531 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
4533 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
4536 * c-typeck.c (build_component_ref): Combine qualifiers of
4537 structure or union and field.
4539 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4541 PR rtl-optimization/28071
4542 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
4543 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
4544 * tree-into-ssa.c (struct dom_dfsnum): New.
4545 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
4547 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
4548 compute_global_livein.
4549 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
4550 in phi nodes in the correct blocks.
4552 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4554 PR tree-optimization/28364
4555 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
4557 (fold_affine_expr): New function.
4558 (may_eliminate_iv): Use fold_affine_expr.
4560 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4563 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
4566 2006-08-16 Mike Stump <mrs@apple.com>
4568 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
4569 * doc/cppopts.texi (-MD): Likewise.
4571 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
4574 * c-common.c (handle_weak_attribute): Ignore and warn if
4575 not a FUNCTION_ or VAR_DECL.
4577 2006-07-15 Mike Stump <mrs@apple.com>
4580 * c-parser.c (c_parser_typeof_specifier): Don't use
4581 c_finish_expr_stmt, open code desired semantics instead.
4583 2006-08-15 Nick Clifton <nickc@redhat.com>
4585 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
4586 fragment to tmake_file only if threads are enabled.
4587 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
4588 * config/i386/t-gthr-win32: New file. ... here.
4590 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4593 * c-parser.c (c_parser_compound_statement_nostart): Reset
4594 parser->error after each statement.
4596 2006-08-15 Jakub Jelinek <jakub@redhat.com>
4599 * omp-low.c (lower_omp_parallel): Convert t to
4600 receiver_decl's type.
4601 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
4602 source before comparison.
4605 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
4606 to itype in assignment to oldival2.
4608 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
4612 * c-typeck.c (build_compound_expr): If the second expression
4613 is an error mark, then just return an error mark instead of
4614 creating a COMPOUND_EXPR.
4616 2006-07-14 Mike Stump <mrs@apple.com>
4618 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
4620 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
4622 * c-decl.c, var-tracking.c: Fix comment typos.
4624 2006-08-14 Richard Sandiford <richard@codesourcery.com>
4626 PR rtl-optimization/28634
4627 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
4628 for floating-point modes unless flag_unsafe_math_optimizations.
4630 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
4631 Andrew Pinski <pinskia@physics.uc.edu>
4634 * tree.c (build_array_type): Unify array types with
4635 unspecified index_type.
4636 * c-decl.c (grokdeclarator): Make sure we do not modify a
4637 unified incomplete array type.
4638 * c-typeck.c (store_init_value): Create distinct type before
4639 filling in the index type in an initializer from a compound
4642 * c-decl.c (grokdeclarator): Remove code where we copy the
4645 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
4647 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
4648 into account for TODO_dump_cgraph.
4649 (TODO_update_ssa_no_phi): Likewise.
4650 (TODO_update_ssa_full_phi): Likewise.
4651 (TODO_update_ssa_only_virtuals): Likewise.
4652 (TODO_remove_unused_locals): Likewise.
4653 (TODO_set_props): Likewise.
4654 (TODO_update_stmt_usage): Likewise.
4656 2006-08-13 Dirk Mueller <dmueller@suse.de>
4658 * c-common.c (strict_aliasing_warning): Fix formatting.
4660 2006-08-13 Matthias Klose <doko@debian.org>
4662 * doc/invoke.texi: Fix spelling errors.
4664 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4666 PR rtl-optimization/23454
4667 * reorg.c (relax_delay_slots): Update comment.
4669 2006-08-11 Richard Guenther <rguenther@suse.de>
4672 * simplify-rtx.c (simplify_const_relational_operation):
4673 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
4676 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
4678 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
4679 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
4681 2006-08-10 Paul Brook <paul@codesourcery.com>
4683 * final.c (final_scan_insn): Clear current_insn_predicate before
4684 outputting inline asm.
4686 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
4688 PR tree-optimization/26197
4689 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
4690 get_ref_base_and_extent and overlap_subvar to add only relevant
4691 subvars as may-aliases.
4692 (add_may_alias_for_new_tag): New function, factored out of
4694 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
4695 with additional argument.
4696 * tree-flow.h (new_type_alias): Takes additional argument.
4698 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
4700 * gcov.c (no_data_file): New flag.
4701 (read_count_file): Set it if data file not present. Assume counts
4703 (output_lines): Don't name the data file, if there wasn't one.
4705 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
4707 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
4708 (rs6000_generate_compare): Tweak comments.
4709 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
4711 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
4713 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
4714 (var_debug_decl): New function.
4715 (var_reg_set): Follow debug decl link. Add location even if
4716 reg is already known to hold some other variable.
4717 (var_mem_set): Follow debug decl link.
4718 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
4719 decl link. Delete other known locations of the variable part
4721 (var_reg_delete, var_mem_delete): Delete other known locations
4722 of the variable part if requested.
4723 (same_variable_part_p): New function.
4724 (add_stores): Select MO_COPY when appropriate.
4725 (vt_initialize): Handle it.
4726 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
4727 known locations for MO_SET and MO_CLOBBER.
4728 (find_variable_location_part): New function.
4729 (set_variable_part, delete_variable_part): Use it.
4730 (clobber_variable_part): New function.
4731 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
4734 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
4736 PR tree-optimization/26969
4737 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
4738 with an empty list of PHIs.
4740 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
4744 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
4747 2006-08-06 Andreas Schwab <schwab@suse.de>
4749 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
4750 string. Whitespace and comment fixup.
4752 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4755 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
4759 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
4762 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
4764 2006-08-04 Jan Hubicka <jh@suse.cz>
4768 * reload.c (push_reload): Patch out the mismatching instruction;
4770 (find_reload): Bail out if the instruction was patched out.
4772 2006-08-04 Jan Hubicka <jh@suse.cz>
4774 PR tree-optimization/24888
4775 * tree-inline.c (expand_call_inline): Do not re-record variables.
4776 (declare_inline_vars): Add variable to unexpanded_var_list.
4778 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4779 Roger Sayle <roger@eyesopen.com>
4781 PR rtl-optimization/26244
4782 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
4783 inner_const are negative or greater than or equal to the bitsize of
4784 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
4785 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
4786 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
4787 CONST0_RTX (mode) when the new shift count is greater than or equal to
4788 to the bitsize of the object being shifted and XEXP (y, 0) has no side
4791 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
4793 * tree-cfg.c: Fix a comment typo.
4795 2006-08-03 Mark Mitchell <mark@codesourcery.com>
4798 * varasm.c (output_constant): Give the front end another chance to
4799 expand constants, after stripping NOPs.
4801 2006-08-03 Jan Hubicka <jh@suse.cz>
4803 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
4806 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
4808 PR tree-optimization/27770
4809 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
4810 declaration removed (moved to tree-flow.h).
4811 (vect_can_force_dr_alignment_p): Likewise.
4812 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
4813 (moved from tree-vectorizer.h).
4814 (vect_can_force_dr_alignment_p): Likewise.
4815 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
4816 from outside the vectorizer - in particular from cgraph stage.
4817 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
4818 the alignment of global arrays when -fsection-anchors is enabled.
4819 * cgraphunit.c (cgraph_increase_alignment): New function.
4820 (cgraph_optimize): Call cgraph_increase_alignment.
4822 2006-08-03 David Edelsohn <edelsohn@gnu.org>
4825 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
4826 not reload a SPE symbol_ref into a lo_sum address.
4828 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
4831 * dwarf2out.c (prune_unused_types_prune): Move call to
4832 prune_unused_types_update_strings to cover the parent DIE also.
4834 2006-08-02 Jan Hubicka <jh@suse.cz>
4836 PR gcov/profile/28480
4837 * tree-cfg.c (change_bb_for_stmt): New function.
4838 (tree_merge_blocks, tree_split_blocks): Use it.
4840 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4846 * toplev.c (compile_file): Return early on errorcount or sorrycount.
4847 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
4848 (cgraph_optimize): Likewise.
4850 2006-08-01 Stuart Hastings <stuart@apple.com>
4852 * rtl.h (UINTVAL) New.
4853 * config/rs6000/rs6000.c (SMALL_INT) Use it.
4854 * testsuite/gcc.dg/20060801-1.c: New.
4856 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
4859 * c-typeck.c (build_external_type): Mark used enum types.
4860 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
4862 (gen_subprogram_die): Whitespace fix.
4864 2006-08-01 Jan Hubicka <jh@suse.cz>
4866 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
4867 bitmap when not needed.
4868 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
4871 2006-08-01 Dirk Mueller <dmueller@suse.de>
4873 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
4875 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4877 * Makefile.in: Revert part of previous patch:
4878 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
4881 2006-07-30 Eric Christopher <echristo@apple.com>
4884 * doc/extend.texi (i386 Variable Attributes): Add anchor.
4885 (PowerPC Variable Attributes): New section.
4887 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
4889 PR target/28126 (partial fix)
4890 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
4892 2006-07-28 Jan Hubicka <jh@suse.cz>
4894 PR rtl-optimization/28071
4895 * cfgrtl.c (rtl_delete_block): Free regsets.
4896 * flow.c (allocate_bb_life_data): Re-use regsets if available.
4898 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4900 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
4901 and variables used in dependencies.
4903 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
4905 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
4906 %fs for -mcmodel=kernel.
4907 (stack_tls_protect_test_di): Likewise.
4909 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
4911 * Makefile.in: Use mkinstalldirs.
4913 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
4916 * opts-common.c (prune_options): Skip joined switches.
4918 2006-07-27 Jan Hubicka <jh@suse.cz>
4920 PR rtl-optimization/28071
4921 * cselib.c (cselib_process_insn): Don't remove useless values too
4922 often for very large hashtables.
4924 2006-07-27 Jan Hubicka <jh@suse.cz>
4926 PR rtl-optimization/28071
4927 * global.c (greg_obstack): New obstack.
4928 (allocate_bb_info): Use it.
4929 (free_bb_info): Likewise.
4930 (modify_reg_pav): Likewise.
4932 2006-07-27 Roger Sayle <roger@eyesopen.com>
4934 * builtins.c (fold_fixed_mathfn): When long and long long are the
4935 same size, canonicalize llceil*, llfloor*, llround* and llrint*
4936 functions to their lceil*, lfloor*, lround* and lrint* forms.
4938 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4941 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
4943 (rev_branch_insn): Likewise.
4945 2006-07-27 Jan Hubicka <jh@suse.cz>
4947 PR rtl-optimization/28071
4948 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
4949 (reg_set_in_bb, max_reg_computed): New static variables.
4950 (regmove_optimize): Free the new array.
4951 (fixup_match_1): Update call of reg_is_remote_constant_p.
4953 2006-07-26 Jan Hubicka <jh@suse.cz>
4955 PR tree-optimization/27882
4956 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
4958 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
4960 (cgraph_analyze_compilation_unit): Likewise.
4961 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
4962 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
4963 (cgraph_early_inlinine): Make order garbage collected.
4964 * Makefile.in (gt-ipa-inline): New garbagecollected file.
4966 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4968 * dbxout.c (output_types_sort): Add a comment.
4969 (output_used_types): Free the VEC.
4971 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
4973 * function.c (reorder_fix_fragments): Delete.
4974 (reorder_blocks): Don't call it.
4975 (reorder_blocks_1): Put all subblocks under the origin block.
4977 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
4979 PR rtl-optimization/27907
4980 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
4983 2006-07-25 Roger Sayle <roger@eyesopen.com>
4986 * convert.c (convert_to_integer): When transforming (T)foo(x) into
4987 bar(x) check that bar's result type can represent all the values of T.
4989 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
4991 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
4993 2006-07-25 Nick Clifton <nickc@redhat.com>
4995 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
4996 size_lookup[] array.
4997 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
4998 (ggc_pch_count_object): Likewise.
4999 (ggc_pch_alloc_object): Likewise.
5000 (ggc_pch_write_object): Likewise.
5001 (init_ggc): Do not attempt to initialize entries in the
5002 size_lookup[] array for objects whose size is greater than than
5003 the length of the array.
5005 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
5007 * dbxout.c (output_used_types_helper): Push queued types
5009 (output_types_sort): New.
5010 (output_used_types): Collect used types on a VEC and sort them
5013 2006-07-24 Richard Guenther <rguenther@suse.de>
5016 * cgraph.c (cgraph_remove_node): Do not check if dumps
5018 * cgraphunit.c (cgraph_optimize): Likewise.
5020 2006-07-24 Jan Hubicka <jh@suse.cz>
5022 PR rtl-optimization/28071
5023 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
5024 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
5025 splitting before first stmt.
5027 2006-07-24 Jan Hubicka <jh@suse.cz>
5029 PR rtl-optimization/28071
5030 * ipa-inline.c (update_caller_keys): Remove edges that
5031 are no longer inline candidates.
5033 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
5036 * dbxout.c (output_used_types_helper, output_used_types): New.
5037 (dbxout_symbol): Call output_used_types.
5039 2006-07-23 Jan Hubicka <jh@suse.cz>
5043 * cgraph.c (cgraph_varpool_nodes): Export.
5044 (decide_is_variable_needed): Ignored "used" attribute in
5045 unit-at-a-time mode.
5046 * cgraph.h (cgraph_varpool_nodes): Declare.
5047 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
5048 unit-at-a-time mode.
5050 2006-07-23 Roger Sayle <roger@eyesopen.com>
5053 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
5054 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
5055 the __gthrw form of thr_keycreate.
5056 (__gthread_key_delete): Silence the unused argument warning.
5058 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
5061 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
5062 Cache the last found '\0' marker to avoid quadratic behavior.
5064 2006-07-23 Jan Hubicka <jh@suse.cz>
5066 * i386.md (subsi_3_zext): Fix output template.
5068 2006-07-21 Mike Stump <mrs@apple.com>
5070 * doc/invoke.texi (C++ Dialect Options): Note that
5071 -fvisibility-inlines-hidden doesn't affect explicitly
5072 instantiationed inline methods.
5074 2006-07-20 Roger Sayle <roger@eyesopen.com>
5076 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
5077 if the target assembler is GNU binutils' gas.
5078 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
5079 whether to pass GNU gas or native as command line options.
5081 2006-07-20 Jason Merrill <jason@redhat.com>
5083 * tree.c (remove_attribute): New fn.
5084 * tree.h: Declare it.
5086 2006-07-20 Paul Brook <paul@codesourcery.com>
5089 * cse.c (cse_insn): Add destination addresses to hash table. Check if
5090 they are invalidated by this instruction.
5092 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
5095 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
5097 2006-07-20 Eric Christopher <echristo@apple.com>
5100 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
5102 2006-07-19 Eric Christopher <echristo@apple.com>
5104 * config/t-slibgcc-darwin (stmp-lipo): Remove.
5105 Rewrite dependencies for libgcc_s.1.dylib.
5107 2006-07-19 Jakub Jelinek <jakub@redhat.com>
5109 * except.c (duplicate_eh_regions_1): Clear next_peer.
5111 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
5113 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
5114 -mlongcall does not guarantee all calls will be long.
5115 * doc/extend.texi (long_call/short_call): Document that longcall
5116 does not guarantee a long call will be used.
5117 (longcall/shortcall): Likewise.
5119 2006-07-18 Roger Sayle <roger@eyesopen.com>
5122 * expmed.c (expand_shift): Additionally check that the shift_cost
5123 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
5124 before implementing a LSHIFT_EXPR as a sequence of additions.
5125 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
5126 middle-end that DImode shifts need to be synthesized by expand.
5128 2006-07-18 Diego Novillo <dnovillo@redhat.com>
5131 * tree-ssa-operands.c (access_can_touch_variable): Update
5133 Return true if ALIAS is .GLOBAL_VAR.
5135 2006-07-18 David Daney <ddaney@avtrex.com>
5137 * gcc.c (display_help): Fix typo in help text.
5139 2006-07-18 Olivier Hainque <hainque@adacore.com>
5141 * tree.h (categorize_ctor_elements): Adjust prototype and add
5142 descriptive comment, both in accordance with the interface change
5144 * varasm.c (constructor_static_from_elts_p): New function.
5145 Whether a constructor node is a valid static constant initializer
5146 if all its elements are.
5147 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
5148 * output.h: Declare it.
5149 * expr.c (categorize_ctor_elements_1): Return whether the constructor
5150 is a valid constant initializer instead of computing the number of
5151 non-constant elements. Use constructor_static_from_elts_p for this
5152 purpose. Replace the head comment with an indication that this is a
5153 helper for categorize_ctor_elements.
5154 (categorize_ctor_elements): Same interface change as for the _1
5155 helper. Former head comment from this helper moved here, adjusted to
5156 account for the interface changes.
5157 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
5158 (all_zeros_p): Likewise.
5159 * gimplify.c (gimplify_init_constructor): Decide whether we can make
5160 static versions of the constructor from the categorize_ctor_elements
5161 return value instead of the formerly computed number of non-constant
5164 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
5166 * configure: Regenerate.
5167 * Makefile.in (build_libsubdir): New configure substitution
5168 (build_libobjdir): New variable.
5169 (BUILD_LIBIBERTY): Use it.
5171 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5174 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
5176 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
5179 * c-common.c (handle_weakref_attribute): Ignore attribute in
5180 the same conditions the alias attribute is ignored.
5182 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
5184 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
5185 (dbxout_begin_prologue): Increment scope_labelno.
5187 2006-07-17 Richard Henderson <rth@redhat.com>
5190 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
5193 2006-07-17 Roger Sayle <roger@eyesopen.com>
5194 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5196 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
5197 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
5198 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
5199 functions such as sbrk, write, etc.. Add function prototypes.
5200 Convert function declarations from K&R to ISO C. Cast pointers
5201 to "long" and "unsigned long" instead of "int" and "unsigned int".
5202 Convert tokens following #endif into comments.
5204 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
5206 * invoke.texi: Remove mention of f77; Reformat table for
5207 inline parameter options correctly; mention that -malign-double
5208 is default on x86-64 targets.
5210 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
5212 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
5213 (convert_affine_scev, chrec_convert_aggressive): Use
5214 avoid_arithmetics_in_type_p. Do not check for the subtypes
5217 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5220 * optabs.c (expand_doubleword_shift): Wrap the call to
5221 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
5223 2006-07-17 Richard Sandiford <richard@codesourcery.com>
5226 * optabs.c (expand_binop): Pass next_methods rather than methods
5227 to expand_doubleword_shift.
5229 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
5232 * tree.h (dump_addr): Declare.
5233 * print-tree.c (dump_addr): New function.
5234 (print_node_brief, print_node): Use it.
5235 * print-rtl.c (print_rtx): Likewise.
5236 * common.opt (-fdump-noaddr): New option.
5237 * doc/invoke.texi (-fdump-noaddr): Document.
5238 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
5239 (ve_info_hash): Likewise.
5241 2006-07-13 Andrew Haley <aph@redhat.com>
5243 PR tree-optimization/19505
5244 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
5245 edge leaving this block, make sure that the destination of this
5246 block has only one predecessor.
5248 2006-07-17 Richard Guenther <rguenther@suse.de>
5250 PR tree-optimization/28238
5251 * tree-inline.c (copy_bb): Check if we produced valid
5252 gimple copying and substituting a stmt. If not, gimplify
5255 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
5257 * optabs.c (maybe_encapsulate_block): New function extracted from...
5258 (emit_libcall_block): ...here. Invoke it on the block of insns to
5259 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
5260 (emit_no_conflict_block): Likewise.
5262 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5264 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
5266 2006-07-15 Roger Sayle <roger@eyesopen.com>
5268 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
5269 a new NOP_EXPR case of the switch statement.
5271 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
5274 * stor-layout.c (place_field): Take the bit field with
5275 an excessive size into account in the ms-bitfiled case.
5278 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
5279 the previous bit field.
5281 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
5284 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
5286 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5288 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
5289 signal frames correctly even when the signal was installed with
5292 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
5294 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
5295 (dbxout_function_end): Use local label LFBB. Remove hook
5297 (dbxout_source_line): Use local label LFBB.
5298 (dbxout_block): Likewise.
5299 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
5300 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
5301 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
5302 and DBX_OUTPUT_NFUN.
5304 2006-07-13 Janis Johnson <janis187@us.ibm.com>
5306 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
5308 2006-07-13 Jan Hubicka <jh@suse.cz>
5310 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
5312 * output.h (align_variable): Declare.
5313 * varasm.c (align_variable): Export.
5314 * value-prof.c (tree_value_profile_transformations): Recompute iterator
5315 when basic block changed.
5317 2006-07-13 Nick Clifton <nickc@redhat.com>
5319 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
5320 walking the LOG_LINKS chain.
5322 2006-07-12 Geoffrey Keating <geoffk@apple.com>
5324 * doc/invoke.texi (C++ Dialect Options): Explain difference
5325 between -fvisibility-inlines-hidden and setting hidden
5326 visibility explicitly.
5328 2006-07-12 Eric Christopher <echristo@apple.com>
5330 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
5331 (stmp-lipo): Depend on libgcc.a.
5333 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
5335 * tree.c: Fix a comment typo.
5337 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
5339 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
5341 (umulhisi3_r): Likewise.
5343 2006-07-12 Paolo Carlini <pcarlini@suse.de>
5346 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
5347 x < 19, vs wchar_t support.
5349 2006-07-12 Nick Clifton <nickc@redhat.com>
5351 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
5352 instead of -isa=sh4.
5354 2006-07-12 Mike Stump <mrs@apple.com>
5356 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
5358 2006-07-10 Eric Christopher <echristo@apple.com>
5360 * config/t-slibgcc-darwin: Rewrite.
5362 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
5365 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
5368 2006-07-08 Matthias Klose <doko@debian.org>
5370 * doc/sourcebuild.texi: Fix typo.
5372 2006-07-07 Mike Stump <mrs@apple.com>
5374 * toplev.c (process_options): Don't give -ffunction-sections may
5375 affect debugging warning for Mach-O.
5377 2006-07-07 James E Wilson <wilson@specifix.com>
5379 * config/mips/mips.md (cpu): Add sb1a.
5380 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
5381 addition to sb1. Adjust comments to clarify SB-1A differences from
5383 (ir_sb1a_load): New. Modify bypasses to use it.
5384 (ir_sb1a_simple_alu): Likewise.
5385 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
5386 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
5387 (mips_issue_rate): Add PROCESSOR_SB1A.
5388 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
5389 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
5390 (TARGET_SB1): Add PROCESSOR_SB1A check.
5391 (TUNE_SB1): Likewise.
5393 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
5394 * config/mips/mips.c (mips_store_data_bypass_p): New.
5395 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
5396 store_data_bypass_p.
5398 2006-07-08 Paul Brook <paul@codesourcery.com>
5401 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
5403 2006-07-07 Richard Guenther <rguenther@suse.de>
5406 * tree.h (build_one_cst): Declare.
5407 * tree.c (build_one_cst): New function.
5408 * tree-ssa-math-opts.c (get_constant_one): Remove.
5409 (insert_reciprocals): Use build_one_cst.
5410 * fold-const.c (fold_plusminus_mult): Likewise.
5412 2006-07-07 Roger Sayle <roger@eyesopen.com>
5414 * pointer-set.c (pointer_set_destroy): Correct whitespace.
5415 * cfgloopanal.c (dump_graph): Likewise.
5416 * dojump.c (discard_pending_stack_adjust): Likewise.
5417 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
5419 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
5420 * function.c (finalize_block_changes): Likewise.
5421 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
5422 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
5423 * rtl.c (dump_rtx_statistics): Likewise.
5424 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
5426 * varray.c (dump_varray_statistics): Likewise.
5427 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
5428 decode_decimal64, encode_decimal128, decode_decimal128,
5429 decimal_real_to_decimal): Likewise.
5431 2006-07-07 Richard Guenther <rguenther@suse.de>
5433 PR tree-optimization/28187
5434 * tree-vrp.c (vrp_operand_equal_p): New function.
5435 (vrp_bitmap_equal_p): Likewise.
5436 (update_value_range): Use them to compare old and new
5439 2006-07-06 Roger Sayle <roger@eyesopen.com>
5441 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
5442 a default case to switch statement to silence compiler warnings.
5444 2006-07-06 Roger Sayle <roger@eyesopen.com>
5447 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
5448 the configured assembler supports the x87's ffreep mnemonic.
5449 * configure: Regenerate.
5450 * config.in: Regenerate.
5452 * config/i386/i386.c (output_387_ffreep): New function.
5453 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
5454 (output_387_reg_move): Likewise.
5456 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
5458 Port to hosts whose 'sort' and 'tail' implementations
5459 treat operands with leading '+' as file names, as POSIX
5460 has required since 2001. However, make sure the code still
5461 works on pre-POSIX hosts.
5462 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
5463 which says you should use "tail -c +N" rather than "tail +Nc".
5464 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
5466 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5468 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
5471 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5474 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
5475 PRE_{INC,DEC} of TFmode.
5477 2006-07-06 David Edelsohn <edelsohn@gnu.org>
5478 Alan Modra <amodra@bigpond.net.au>
5481 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
5484 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5487 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
5488 Remove duplicate gtu.
5490 2006-07-05 Jason Merrill <jason@redhat.com>
5494 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
5495 * c-common.c (handle_packed_attribute): So don't copy it here.
5496 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
5498 2006-07-05 Mike Stump <mrs@apple.com>
5500 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
5502 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
5505 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
5507 2006-07-05 Richard Guenther <rguenther@suse.de>
5510 * config/i386/i386.md (*negdf2_1): Restrict pattern to
5511 TARGET_SSE2 targets if using SSE math.
5512 (*absdf2_1): Likewise.
5514 2006-07-05 Richard Guenther <rguenther@suse.de>
5516 PR tree-optimization/28162
5517 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
5518 make sure to convert the operands to the correct type.
5520 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
5522 PR tree-optimization/28218
5524 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
5525 to calculate and free the dominator information.
5527 2006-07-04 Peter O'Gorman <peter@pogma.com>
5529 * mklibgcc.in: chmod 644 before ranlib during install.
5531 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5532 J"orn Rennecke <joern.rennecke@st.com>
5534 * configure.ac (.eh_frame data check): Use diff -b.
5536 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5539 * Makefile.in (BUILD_RTL): Add build/vec.o.
5540 (build/gencondmd.o): Filter out -fkeep-inline-functions.
5541 (build/genextract): Delete.
5542 (build/genautomata): Likewise.
5544 2006-07-04 Alan Modra <amodra@bigpond.net.au>
5547 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
5548 128-bit IBM long doubles for ABI_V4.
5550 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
5552 * tree.c (range_in_array_bounds_p): New predicate.
5553 * tree.h (range_in_array_bounds_p): Declare it.
5554 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
5555 return a less conservative answer.
5556 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
5557 and flag 'is_group'.
5558 (IS_ELEMENT_FOR_GROUP): New macro.
5559 (FOR_EACH_ACTUAL_CHILD): Likewise.
5560 (next_child_for_group): New helper function.
5561 (can_completely_scalarize_p): Take into account groups.
5562 (sra_hash_tree): Handle RANGE_EXPR.
5563 (sra_elt_eq): Likewise.
5564 (lookup_element): Be prepared for handling groups.
5565 (is_valid_const_index): Delete.
5566 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
5567 instead of is_valid_const_index.
5568 <ARRAY_RANGE_REF>: New case.
5569 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
5570 is_valid_const_index.
5571 <ARRAY_RANGE_REF>: Do not unconditionally punt.
5572 (scan_dump): Dump info for groups too.
5573 (decide_instantiation_1): Likewise.
5574 (decide_block_copy): Assert that the element is not a group.
5575 Propagate decision to groups.
5576 (generate_one_element_ref): Handle RANGE_EXPR.
5577 (mark_no_warning): Iterate over actual childs.
5578 (generate_copy_inout): Likewise.
5579 (generate_element_copy): Likewise.
5580 (generate_element_zero): Likewise.
5581 (generate_element_init_1): Likewise.
5582 (dump_sra_elt_name): Handle RANGE_EXPR.
5584 2006-07-03 Roger Sayle <roger@eyesopen.com>
5586 PR tree-optimization/26251
5587 * tree-ssa-threadupdate.c (redirection_block_p): New function.
5588 (thread_block): When optimizing for size refuse to thread jumps
5589 that would require duplication of blocks other than redirection
5592 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5594 * configure.ac: Fix thinko in previous check-in.
5595 * configure: Regenerate.
5597 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
5600 * configure.ac (for lang...): Simplify nesting of conditionals.
5601 Test subdir_requires for non-enabled languages. Move processing
5602 of lang_opt_files and lang_tree_fiels below that test.
5603 * configure: Regenerate.
5604 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
5606 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
5608 * doc/gcov.texi (Invoking Gcov): Add a missing word.
5610 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
5612 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
5615 2006-06-29 Jason Merrill <jason@redhat.com>
5622 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
5623 * c-common.c (c_determine_visibility): Handle it here.
5624 * c-decl.c (finish_decl): Call c_determine_visibility for
5626 * flags.h (enum symbol_visibility): Sort from most to least visibility.
5628 * varasm.c (default_assemble_visibility): Likewise.
5629 * c-common.c (handle_visibility_attribute): Complain about trying
5630 to give visibility to an already defined class, or trying to change
5631 declared visibility. Always attach the attribute.
5636 * attribs.c (decl_attributes): Ignore type-in-place attributes
5637 once the type has been defined.
5639 2006-06-29 Roger Sayle <roger@eyesopen.com>
5642 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
5643 to indicate the cpplib has issued an error message for us.
5645 2006-06-29 Asher Langton <langton2@llnl.gov>
5648 * config/i386/i386.c (ix86_output_function_epilogue): Don't
5649 insert a label at the end of an function under Mach-O.
5651 2006-06-29 Eric Christopher <echristo@apple.com>
5652 Evan Cheng <evan.cheng@apple.com>
5654 * predicates.md (vector_all_ones_operand): New.
5655 (nonimmediate_or_sse_const_operand): Ditto.
5656 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
5657 * config/i386/i386.c (standard_sse_constant_opcode): Define.
5658 (standard_sse_mode_p): Ditto.
5659 (standard_sse_constant_p): Add case for -1 vector.
5660 (ix86_expand_vector_move): Try to use.
5661 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
5662 Call standard_sse_constant_opcode.
5663 (*movv4sf_internal): Ditto.
5664 (*movv2df_internal): Ditto.
5666 2006-06-29 Roger Sayle <roger@eyesopen.com>
5668 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
5669 of XEXP to extract the operands of a MATCH_CODE rtx.
5671 2006-06-28 Andrew Pinski <pinskia@gmail.com>
5673 * tree.c (tree_size): Do not waste tail padding in
5674 struct tree_string and make the size be the same as
5675 build_string will generate.
5677 2006-06-28 Jason Merrill <jason@redhat.com>
5680 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
5681 may_aliases already in the tag's annotations to the bitmap.
5683 2006-06-28 Roger Sayle <roger@eyesopen.com>
5685 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
5687 2006-06-28 Roger Sayle <roger@eyesopen.com>
5689 * genpreds.c (generate_switch_p): New function.
5690 (add_mode_tests): Push the new mode test down inside an AND expr
5691 if this allows the switch-suitable MATCH_CODE to be near the root.
5692 (write_match_code_switch): New function to write a MATCH_CODE as
5694 (write_predicate_stmts): New function to write a predicate RTX
5695 expression as a sequence of statements.
5696 (write_one_predicate_function): Use write_predicate_stmts.
5697 (write_tm_constrs_h): Likewise.
5699 2006-06-26 Fred Fish <fnf@specifix.com>
5701 * config/mips/t-sb1: New file.
5702 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
5705 2006-06-26 DJ Delorie <dj@redhat.com>
5707 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
5709 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
5710 Jayant Sonar <jayants@kpitcummins.com>
5711 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
5713 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
5714 (subsi3, subsi3_1, subsi3_2): New.
5715 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
5716 * config/m32c/mov.md (SI mov peephole): New.
5717 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
5718 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
5720 2006-06-26 Olivier Hainque <hainque@adacore.com>
5722 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
5723 a CALL_EXPR target function declaration.
5725 2006-06-26 Richard Guenther <rguenther@suse.de>
5727 * tree.c (build_string): Do not waste tail padding in
5730 2006-06-26 Richard Guenther <rguenther@suse.de>
5732 * ggc-page.c (init_ggc): Add missing element to size_lookup
5736 2006-06-23 Richard Guenther <rguenther@suse.de>
5738 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5739 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5740 alignment requests instead. Add verification code.
5741 Add struct tree_function_decl and struct tree_binfo size to
5742 extra_order_size_table. Add missing element to size_lookup
5745 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
5748 * fold-const.c (const_binop): Be prepared for self returning zero.
5749 Simplify code handling complex values.
5751 2006-06-24 Olivier Hainque <hainque@adacore.com>
5753 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
5754 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
5757 2006-06-24 Olivier Hainque <hainque@adacore.com>
5759 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
5760 ARRAY_REF, so have the callback called for the low bound expression.
5762 2006-06-23 Janis Johnson <janis187@us.ibm.com>
5764 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
5765 * c-typeck.c (c_common_type): Disallow operations on decimal float
5766 types and other float types.
5767 * convert.c (convert_to_real): Don't ignore conversions involving
5768 decimal float types.
5770 2006-06-23 Olivier Hainque <hainque@adacore.com>
5772 * tree.c (max_int_size_in_bytes): New function, inspired from
5773 code in function.c:assign_temp.
5774 * tree.h (max_int_size_in_bytes): Declare.
5775 * function.c (assign_temp): Use it.
5776 * gimplify.c (create_tmp_var): Relax the assertions on the type
5777 properties, not mandating constant size any more.
5778 (force_constant_size): New static function.
5779 (gimple_add_tmp_var): Use it, forcing variable size to a
5780 constant upper bound if it is not constant on entry.
5782 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
5785 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
5786 for initialization and setting of one_only flag to ...
5787 (i386_pe_encode_section_info): ...here.
5788 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
5789 Recheck that the symbol has not been defined.
5791 2006-06-23 Richard Guenther <rguenther@suse.de>
5793 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
5794 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
5795 alignment requests instead. Add verification code.
5796 Add struct tree_function_decl and struct tree_binfo size to
5797 extra_order_size_table. Add missing element to size_lookup
5800 2006-06-22 Roger Sayle <roger@eyesopen.com>
5801 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5804 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
5805 call to lang_hooks.types.type_for_mode returned NULL_TREE.
5807 2006-06-23 Ben Elliston <bje@au.ibm.com>
5809 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
5810 negate dn -- manipulate it directly.
5812 2006-06-22 Roger Sayle <roger@eyesopen.com>
5813 Steven Bosscher <stevenb.gcc@gmail.com>
5816 * reload1.c (gen_reload): Call mark_jump_label on the new insns
5817 generated by gen_move_insn to add REG_LABEL notes if necessary.
5819 2006-06-22 Bob Wilson <bob.wilson@acm.org>
5821 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
5822 (leaf_entry): Remove use of MIN_ESA.
5824 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
5826 PR rtl-optimization/28121
5827 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
5830 2006-06-21 DJ Delorie <dj@redhat.com>
5832 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
5834 (mulhisi3_r): Likewise.
5836 2006-06-21 Richard Sandiford <richard@codesourcery.com>
5839 * coverage.c (coverage_counter_alloc): Leave the index type
5841 (coverage_counter_alloc): Use null arguments for operands 2 and 3
5844 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
5846 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
5847 section from the "Options for Code Generation Conventions".
5849 2006-06-21 Richard Henderson <rth@redhat.com>
5853 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
5855 (global_symbolic_operand): Allow weak symbols, even if local_p.
5857 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
5859 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
5860 (find_interesting_uses_address): Punt if above function returns true.
5862 2006-06-21 Richard Guenther <rguenther@suse.de>
5864 * configure: Regenerated.
5866 2006-06-21 Joseph Myers <joseph@codesourcery.com>
5868 * config/mips/mips.c (function_arg): Where one part of a
5869 complex argument is in registers and the other part in the stack,
5870 return a REG not a PARALLEL.
5872 2006-06-21 Mark Mitchell <mark@codesourcery.com>
5874 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
5875 when cross-compiling. Do not substitute libstdcxx_incdir.
5876 * configure: Regenerated.
5878 2006-06-21 Jakub Jelinek <jakub@redhat.com>
5880 * varasm.c (mergeable_string_section): Check for embedded NULs and
5881 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
5882 rather than TREE_STRING_LENGTH bytes.
5884 2006-06-21 Richard Guenther <rguenther@suse.de>
5886 * ggc-page.c (extra_order_size_table): Add var_ann_d,
5887 tree_ssa_name, bitmap_element and phi_node with 4 arguments
5890 2006-06-21 Richrad Guenther <rguenther@suse.de>
5892 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
5893 Limit iteration over the dominators.
5895 2006-06-20 Roger Sayle <roger@eyesopen.com>
5897 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
5898 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
5900 2006-06-20 Richard Guenther <rguenther@suse.de>
5901 Michael Matz <matz@suse.de>
5903 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
5905 * alloc-pool.c (free_alloc_pool_if_empty): New function.
5906 * et-forest.h (et_free_pools): Prototype new function.
5907 * et-forest.c (et_free_tree_force): Free parent occurrence.
5908 (et_free_pools): New function.
5909 * dominance.c (free_dominance_info): Free et-forest alloc
5912 2006-06-20 Roger Sayle <roger@eyesopen.com>
5914 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
5915 integer modes, attempt to directly construct an integer constant.
5917 * fold-const.c (native_encode_vector): Determine the size of each
5918 element from the vector type instead of the first vector element.
5920 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
5921 if all of its elements/components are constant.
5922 (build_constructor_from_list): Likewise.
5924 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
5926 PR tree-optimization/27331
5927 * tree-data-ref.c (free_data_ref): New function.
5928 (create_data_ref): Fail if the data reference has unknown access
5930 (free_data_refs): Use free_data_ref.
5932 2006-06-19 Andrew Pinski <pinskia@gmail.com>
5935 * tree-inline.c (setup_one_parameter): Strip useless
5936 type conversion before adding it to the IR.
5937 (declare_return_variable): Likewise.
5939 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
5942 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
5944 2006-06-19 Mike Stump <mrs@apple.com>
5946 * tree.c (variably_modified_type_p): VM arguments don't make the
5949 2006-06-19 Richard Guenther <rguenther@suse.de>
5951 * tree-ssa-pre.c (try_combine_conversion): Strip useless
5952 type conversions after folding.
5954 2006-06-19 Richard Guenther <rguenther@suse.de>
5956 * ggc-page.c (extra_order_size_tab): Add entries with
5957 size of struct function and basic_block.
5958 (size_lookup): Extend to cover sizes up to 511.
5959 (ggc_alloc_stat): Adjust user.
5960 (ggc_pch_count_object): Likewise.
5961 (ggc_pch_alloc_object): Likewise.
5962 (ggc_pch_write_object): Likewise.
5964 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
5966 * tree-ssa-loop-niter.c (implies_ge_p): New function.
5967 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
5970 2006-06-19 Denis Chertykov <denisc@overta.ru>
5972 * config/avr/libgcc.S : Correct my wrong previous commit.
5974 2006-06-19 Roger Sayle <roger@eyesopen.com>
5977 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
5978 have stripped a SUBREG from the shift count, so we may need to
5979 convert_to_mode back to the type's mode before calling make_tree.
5980 Use new_amount instead of amount to avoid expanding a tree twice.
5982 2006-06-19 Richard Guenther <rguenther@suse.de>
5985 * fold-const.c (operand_equal_p): Check if the argument types
5986 have the same precision before stripping NOPs.
5988 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
5990 Fix PR tree-optimization/27341
5991 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
5993 * tree-complex.c (pass_lower_complex): Update SMT usage.
5995 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
5997 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
5998 Add a new alternative to the constraint strings. Add move of
5999 operand 1 to 3 to the splitter definition.
6000 ("doloop_si_long"): Second contraint alternative removed.
6002 2006-06-08 Anatoly Sokolov <aesok@post.ru>
6004 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
6005 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
6007 (AVR_HAVE_MOVW) Define.
6008 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
6009 (ASM_SPEC): Add avr25.
6010 (LINK_SPEC): Add avr25.
6011 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
6012 (base_arch_s): Add new member 'have_movw_lpmx'.
6013 (avr_arch_types): Init 'have_movw_lpmx'.
6014 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
6015 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
6016 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
6017 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
6018 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
6020 (avr_file_start): Do not output '.arh' derective.
6021 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
6022 (__do_copy_data): Use __AVR_HAVE_LPMX__.
6023 * config/avr/avr.md (mcu_enhanced): Delete.
6024 (mcu_have_movw): Define.
6025 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
6026 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
6027 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
6028 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
6029 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
6030 attiny861 and at86rf401 devices.
6032 2006-06-18 Jie Zhang <jie.zhang@analog.com>
6034 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
6037 2006-06-17 Karl Berry <karl@gnu.org>
6039 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
6040 doc/gccint.texi, doc/install.texi (@dircategory): Use
6041 "Software development" instead of "Programming", following
6042 the Free Software Directory.
6044 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
6046 * config/i386/i386.c (legitimate_tls_address)
6047 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
6048 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
6049 (*tls_dynamic_gnu2_combine_64): Likewise.
6051 2006-06-16 Richard Guenther <rguenther@suse.de>
6054 * fold-const.c (negate_expr_p): Do not introduce undefined
6055 overflow in negating INTEGER_CSTs.
6056 (fold_negate_expr): Rename from negate_expr. Revert last
6057 change for folding BIT_NOT_EXPR. Change semantics to
6058 return NULL_TREE for non-simplified negations. Do not
6059 strip type conversions and unify type handling.
6060 (negate_expr): New function, wrap around fold_negate_expr
6061 but ensure building a tree always. Strip type conversions
6062 here, fold to result type.
6063 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
6065 2006-06-16 Roger Sayle <roger@eyesopen.com>
6068 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
6069 that (would) return their results in stack registers.
6071 2006-06-16 Michael Matz <matz@suse.de>
6072 Richard Guenther <rguenther@suse.de>
6074 * fold-const.c (fold_truthop): Only return new tree node if
6075 we canonicalized something.
6077 2006-06-16 Richard Guenther <rguenther@suse.de>
6079 * function.h (enum function_frequency): Move declaration
6080 out of struct function.
6081 (struct function): Move bool fields and the enum to the bitfield
6082 section. Reorder elements to avoid padding. Remove unused
6083 fields left over from the RTL inliner removal.
6084 * function.c (free_after_compilation): Do not zero removed fields.
6085 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
6086 (ipa-type-escape.o): Likewise.
6088 2006-06-16 Richard Guenther <rguenther@suse.de>
6090 * cgraph.h (struct cgraph_local_info): Turn bool elements
6092 (struct cgraph_node): Likewise.
6093 (struct cgraph_varpool_node): Likewise.
6095 2006-06-15 Richard Guenther <rguenther@suse.de>
6097 * fold-const.c (fold_truth_not_expr): Rename from
6098 invert_truthvalue. Give it fold_* semantics to avoid
6100 (invert_truthvalue): New function. Wrapper around
6101 fold_truth_not_expr.
6102 (optimize_minmax_comparison): Avoid creating garbage.
6103 (fold_unary): Use fold_truth_not_expr for folding
6105 (fold_ternary): Replace uses of invert_truthvalue with
6106 fold_truth_not_expr where applicable.
6107 * tree.h (fold_truth_not_expr): Prototype.
6109 2006-06-16 Richard Guenther <rguenther@suse.de>
6111 PR tree-optimization/27781
6112 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
6113 * ipa-pure-const.c (target.h): Include.
6114 (analyze_function): Do not analyze functions that do not
6117 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
6120 * tree-dfa.c (referenced_vars_dup_list): Remove.
6121 (find_referenced_vars): Remove assert.
6122 (referenced_var_check_and_insert): Replace dup list with assert.
6123 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
6124 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
6126 2006-06-15 Richard Guenther <rguenther@suse.de>
6128 * tree-ssa-structalias.c (alias_get_name): Avoid creating
6129 extra unused identifiers if not dumping.
6130 (create_variable_info_for): Likewise.
6132 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
6134 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
6135 (derive_constant_upper_bound): Derive more precise upper bound in
6136 common cases. Return type changed to double_int.
6137 (record_estimate): Reflect the changed return type of
6138 derive_constant_upper_bound.
6139 * double-int.c (double_int_zext, double_int_sext): Fix.
6141 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
6143 * configure.ac (CFLAGS): Get them from the toplevel or from the
6144 configure invocation.
6145 * configure: Regenerate.
6146 * Makefile.in (CFLAGS): Substitute value provided by configure.
6148 2006-06-14 Mark Mitchell <mark@codesourcery.com>
6151 * c-common.h (c_finish_omp_atomic): Adjust declaration.
6152 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
6153 rather than calling add_stmt on it.
6154 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
6156 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
6159 * reload1.c (reload): Remove registers returned by update_eliminables
6160 from used_spill_regs.
6162 2006-06-13 DJ Delorie <dj@redhat.com>
6164 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
6166 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
6168 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
6169 html__strip_dir, html__mkdir_p. Enhance install-html target.
6170 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
6171 * configure: Regenerate.
6173 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
6175 * fold-const.c (fold_cond_expr_with_comparison): Check for
6176 Objective-C++ as language in deciding COND_EXPR transformation.
6178 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
6181 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
6182 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
6183 * config/sh/lib1funcs.h (SL, SL1): Define.
6184 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
6185 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
6186 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
6187 (OBJS_Os_4_200): New variable.
6188 ($(T)libgcc-Os-4-200.a): Use it.
6189 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
6190 when dividing 1 and/or by 0.
6192 2006-06-13 Roger Sayle <roger@eyesopen.com>
6194 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
6195 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
6196 * configure: Regenerate.
6198 2006-06-13 Jie Zhang <jie.zhang@analog.com>
6200 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
6201 for real instruction.
6203 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6206 * haifa-sched.c (check_cfg): Handle special case.
6208 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
6211 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
6212 Add debug_info parameter. Chain the vars to the BLOCK instead
6213 of the BIND_EXPR if debug info are requested for them.
6214 (pop_gimplify_context): Adjust for above change.
6215 (gimple_add_tmp_var): Likewise.
6216 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
6218 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
6219 (convert_local_reference): Likewise.
6220 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
6221 (finalize_nesting_tree_1): Request that debug info be emitted
6222 for debug_var_chain.
6224 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6226 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
6227 for PR target/27863.
6229 2006-06-13 Richard Guenther <rguenther@suse.de>
6232 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
6234 2006-06-13 Richard Guenther <rguenther@suse.de>
6236 PR tree-optimization/27830
6237 * tree-inline.c (copy_body_r): For copying the operand
6238 of an ADDR_EXPR make sure to fold &* afterwards.
6240 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
6242 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
6243 lvalues in the fb_none case with side-effects.
6245 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
6247 * tree-flow.h: Remove the prototype for
6248 compute_phi_arg_on_exit.
6249 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
6250 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
6253 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
6255 * builtins.c (expand_builtin_return_addr): Only use
6256 frame_pointer_rtx when count == 0 and we are expanding
6257 __builtin_return_address.
6259 2006-06-12 Fred Fish <fnf@specifix.com>
6261 * config/mips/mips.c (mips_file_start): Create special section
6262 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
6264 2006-06-11 Eric Christopher <echristo@apple.com>
6267 * stor-layout.c (place_field): Remove check for
6268 remaining_in_alignment when aligning at the end of a run.
6270 2006-06-11 Eric Christopher <echristo@apple.com>
6273 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
6276 2006-06-11 Roger Sayle <roger@eyesopen.com>
6279 Revert incorrect fix for PR target/27158
6280 2006-05-08 Roger Sayle <roger@eyesopen.com>
6281 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6282 of a reg_equiv_constant if the result is a legitimate constant.
6284 2006-06-11 Roger Sayle <roger@eyesopen.com>
6287 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
6288 extract a CONST_VECTOR element and interpret it as an integer.
6289 (vspltis_constant): Use const_vector_elt_as_int instead of the
6290 macro CONST_VECTOR_ELT in order to handle FP vector modes.
6291 * config/rs6000/predicates.md (easy_vector_const): Consider
6292 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
6294 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
6297 * stor-layout.c (update_alignment_for_field): Don't add extra
6298 alignment for packed non-bitfield fields in ms_bitfield_layout_p
6301 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
6303 * config/mips/t-rtems: Add EL/EB multilib variants.
6305 2006-06-09 Mike Stump <mrs@apple.com>
6307 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
6309 2006-06-09 David Daney <ddaney@avtrex.com>
6311 * doc/install.texi: Add binutils version recommendation for mips-*-*.
6313 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
6315 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
6317 2006-06-09 Richard Guenther <rguenther@suse.de>
6319 PR tree-optimization/26998
6320 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
6321 of signed types, only TYPE_MIN_VALUE is special, but for both,
6322 minimum and maximum value. Likewise VR_ANTI_RANGE is special
6323 in this case, as is -fwrapv.
6325 2006-06-08 Mike Stump <mrs@apple.com>
6328 * config/darwin.c (darwin_asm_output_anchor): Disable
6329 -fsection-anchors on darwin for now.
6330 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
6331 * rs6000/rs6000.c (optimization_options): Likewise.
6333 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6336 * config/i386/i386.c (classify_argument): Skip fields with invalid
6339 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
6341 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
6342 (cse_insn): Likewise for the stack_pointer_rtx.
6344 2006-06-08 Roger Sayle <roger@eyesopen.com>
6346 * tree-ssa-dom.c (record_conditions): Only record "unordered"
6347 conditions from floating point comparisons.
6349 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
6352 * expmed.c (struct alg_hash_entry): Fix type of field T
6353 to match synth_mult argument.
6354 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
6356 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6359 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
6362 2006-06-08 Richard Guenther <rguenther@suse.de>
6365 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
6366 only, if overflow is defined and not trapping.
6367 (negate_expr): Likewise.
6369 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6371 PR tree-optimization/27872
6372 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
6373 flag on the new exit edge of the unrolled loop.
6375 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
6377 PR rtl-optimization/26449
6378 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
6380 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
6383 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
6384 referenced_variables with matching DECL_UID's.
6385 (find_referenced_vars): Make sure duplicate list is empty to start.
6386 (referenced_var_p): Remove.
6387 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
6388 Check if var is in the list, and add if needed. Update the duplicate
6389 list if a different var is in the list with the same DECL_UID.
6390 (add_referenced_var): Call routine to check and insert.
6391 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
6392 * tree-flow.h (referenced_vars_dup_list): External declaration.
6394 2006-06-07 Fred Fish <fnf@specifix.com>
6396 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
6399 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
6402 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
6403 the imaginary and real parts of a clobbered register.
6404 Emit insn to set the imaginary part.
6406 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
6408 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
6409 in lieu of unwind-dw2-fde.c.
6411 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6413 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
6415 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
6418 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
6419 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
6420 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
6421 V4SImode temporaries and operations instead.
6423 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
6425 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
6428 2006-06-06 Mike Stump <mrs@apple.com>
6430 * Makefile.in: Rename to htmldir to build_htmldir to avoid
6431 installing during build.
6433 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6435 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
6437 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
6438 * config/ia64/ia64.c (params.h): New header.
6439 (ia64_optimization_options): New function to adjust parameters.
6440 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
6441 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
6442 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
6444 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
6446 * stor-layout.c (debug_rli): Fix a typo in a debug message.
6448 2006-06-05 Steve Ellcey <sje@cup.hp.com>
6451 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
6453 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
6454 Victor Kaplansky <victork@il.ibm.com>
6456 PR tree-optimization/26360
6457 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
6460 2006-06-04 Roger Sayle <roger@eyesopen.com>
6461 Andrew Pinski <pinskia@physics.uc.edu>
6464 * c-common.c (c_common_truthvalue_conversion): Explicitly check
6465 for LABEL_DECL before calling DECL_WEAK.
6468 * c-typeck.c (build_binary_op): Likewise, explicitly check for
6469 LABEL_DECL and PARM_DECL.
6471 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
6475 * c-decl.c (grokdeclarator): Disallow variably modified types at
6476 file scope. Avoid marking shared array type of constant size as
6479 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6482 * c-common.c (fold_offsetof_1): Handle static members.
6484 2006-06-04 Eric Christopher <echristo@apple.com>
6486 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
6487 (debug_rli): Output value for remaining_in_alignment.
6488 (update_alignment_for_field): Unconditionalize
6489 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
6490 extra alignment code.
6491 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
6492 ms_bitfield_layout_p code. Rewrite handling of structure fields.
6493 * tree.h (record_layout_info_s): Remove prev_packed.
6494 * doc/extend.texi (ms_struct): Add documentation of format.
6496 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
6498 * tree.h: Declare folding_initializer.
6499 * builtins.c (fold_builtin_constant_p): Give definite answer
6500 if folding inside an initializer.
6501 * fold-const.c: Define folding_initializer.
6502 (START_FOLD_INIT): Save and then set folding_initializer.
6503 (END_FOLD_INIT): Restore folding_initializer.
6505 2006-06-04 Richard Guenther <rguenther@suse.de>
6507 PR tree-optimization/27039
6508 * fold-const.c (fold_comparison): Handle pointer comparison
6509 again for all comparison codes. Compare offsets in signed
6511 (fold_binary): Move code from here.
6513 2006-06-03 Roger Sayle <roger@eyesopen.com>
6516 * config/i386/i386.c (construct_container): Split static issued_error
6517 flag into issued_sse_arg_error, issued_sse_ret_error and
6518 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
6519 requires the use of x87 registers and the user explicitly
6520 specified the -mno-80387 command line option.
6522 2006-06-02 Geoffrey Keating <geoffk@apple.com>
6524 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
6525 HAVE_DECL_SIGALTSTACK.
6527 (segv_handler): Use MC_FLD.
6528 * configure.ac: Check for a sigaltstack declaration.
6529 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
6530 * configure: Regenerate.
6531 * config.in: Regenerate.
6533 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
6536 * Makefile.in (stmp-fixinc): Fix typo.
6538 2006-06-02 Roger Sayle <roger@eyesopen.com>
6540 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
6541 are type correct. Clean-up.
6542 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
6543 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
6545 2006-06-01 DJ Delorie <dj@redhat.com>
6547 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
6548 shift, as we've disabled the "switch" insn that needs it.
6550 2006-06-01 Per Bothner <bothner@bothner.com>
6552 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
6553 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
6554 * c-ppoutput.c (cb_define): Don't increment line 0.
6556 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
6558 * doc/invoke.texi: Add cpu_type power6.
6559 * config.gcc: Add cpu_type power6.
6560 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
6561 to power5+ with Altivec.
6562 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
6563 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
6565 2006-05-30 Anatoly Sokolov <aesok@post.ru>
6567 * config/avr/avr.h (SET_ASM_OP): Define.
6569 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
6571 * config/bfin/bfin.c: Fix comment typos.
6573 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6576 * doc/install.texi: Document --enable-bootstrap and
6577 --disable-bootstrap.
6579 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
6581 * doc/install.texi: Document that InfoZIP can replace jar.
6583 2006-05-31 Roger Sayle <roger@eyesopen.com>
6585 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
6586 isn't available, directly generate the simpler x87 patterns without
6587 the (use (const_int 0)).
6588 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
6589 implementation isn't available.
6590 (*negdf2_1): Likewise.
6591 (*negxf2_1): XF mode negation is always done using the x87.
6592 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
6594 2006-05-31 Roger Sayle <roger@eyesopen.com>
6596 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
6597 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
6599 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
6601 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6603 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
6604 * config/bfin/bfin.c (basic-block.h): Include.
6605 (struct machine_function): New.
6606 (bfin_init_machine_status): New.
6607 (override_options): Initialize init_machine_status.
6608 (bfin_hardware_loop): New.
6609 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
6610 (DEF_VEC_P (loop_info)): New.
6611 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
6612 (struct loop_info): New.
6613 (loop_info): New typedef.
6614 (struct loop_work): New.
6615 (loop_work): New typedef.
6616 (DEF_VEC_O (loop_work)): New.
6617 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
6618 (bfin_dump_loops): New.
6619 (bfin_bb_in_loop): New.
6620 (bfin_scan_loop): New.
6621 (bfin_optimize_loop): New.
6622 (bfin_reorg_loops): New.
6623 (bfin_reorg): Use bfin_reorg_loops.
6624 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
6626 (I_REGNO_P): Simplify.
6627 (DP_REGNO_P, DPREG_P): New macros.
6628 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
6629 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
6630 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6631 Add LT_REGS, LC_REGS, LB_REGS.
6632 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
6634 (REGNO_REG_CLASS): Deal with loop registers.
6635 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
6637 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
6638 New constants for loop registers.
6639 (UNSPEC_LSETUP_END): New.
6640 (seq_insns): New define_attr. Set it for appropriate insns.
6641 (movsi_insn): Add alternatives for move from/to
6642 loop count registers.
6643 (doloop_end): New define_expand.
6644 (loop_end): New define_insn.
6645 (define_split for bad doloop_end): New.
6646 (lsetup_with_autoinit): New define_insn.
6647 (lsetup_without_autoinit): New define_insn.
6648 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
6649 * config/bfin/predicates.md (lc_register_operand): New.
6650 (lt_register_operand): New.
6651 (lb_register_operand): New.
6652 (nondp_register_operand): New.
6653 (nondp_reg_or_memory_operand): New.
6654 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
6656 2006-05-31 Jie Zhang <jie.zhang@analog.com>
6658 * config/bfin/bfin.c (bfin_delegitimize_address): New.
6659 (TARGET_DELEGITIMIZE_ADDRESS): Define.
6661 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
6663 * Makefile.in (CATALOGS): Add po/ prefix.
6664 * configure: Regenerated.
6666 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
6669 * arm.c (arm_print_operand case 'S'): Validate that the operand is
6670 a shift operand before calling shift_op. Avoid redundant call of
6673 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
6674 DJ Delorie <dj@redhat.com>
6676 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
6677 we're inserting is a singlt-bit constant.
6679 2006-05-30 Roger Sayle <roger@eyesopen.com>
6681 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
6682 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
6684 2006-05-30 Roger Sayle <roger@eyesopen.com>
6686 PR tree-optimization/23452
6687 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
6688 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
6689 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
6690 complex values and with -ffast-math for FP complex values.
6692 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
6694 * c-common.h: Remove the prototype for yyparse.
6695 * rtl.h: Remove the prototype for init_loop.
6697 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
6699 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
6702 2006-05-30 Roger Sayle <roger@eyesopen.com>
6704 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
6706 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
6707 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
6709 2006-05-30 Dirk Mueller <dmueller@suse.de>
6712 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
6713 for CONSTANT_CLASS_P expresisons.
6715 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6718 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
6720 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
6722 PR tree-optimization/27779
6723 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
6724 initial_condition instead of CHREC_LEFT.
6726 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
6728 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
6729 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
6730 Make prototypes ISO C90.
6732 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
6733 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6735 * see.c (see_analyze_one_def): Correct check.
6736 (see_get_extension_data): Check if extension is parallel.
6737 (see_get_extension_reg): Likewise.
6739 2006-05-30 Uros Bizjak <uros@kss-loka.si>
6742 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
6743 into register for (code == GTU).
6745 2006-05-29 Roger Sayle <roger@eyesopen.com>
6747 PR tree-optimization/24964
6748 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
6749 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
6750 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
6751 abs(x)*abs(x) as x*x for scalar floating point modes.
6753 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
6756 * lambda-code.c (perfect_nestify): Don't copy statements
6757 in the inner loop: move them to the inner loop header.
6759 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6762 * c-tree.texi: Document OpenMP directives and clauses.
6764 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6766 * varasm.c (globalize_decl): Fix indentation.
6768 2006-05-29 Diego Novillo <dnovillo@redhat.com>
6771 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
6772 pass_fre, pass_store_ccp, pass_copy_prop,
6773 pass_store_copy_prop, pass_merge_phi, pass_nrv,
6774 pass_return_slot, pass_object_size, pass_lim,
6775 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
6776 pass_loop_prefetch and pass_stdarg.
6778 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
6780 * config/bfin/bfin.opt (mfdpic): New option.
6781 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
6782 (EXTRA_MULTILIB_PARTS): Likewise.
6783 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
6784 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
6786 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
6787 (CRT_CALL_STATIC_FUNCTION): New.
6788 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
6790 (CRT_CALL_STATIC_FUNCTION): New.
6791 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
6793 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
6794 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
6795 (initialize_trampoline): Changed to handle FD-PIC code generation.
6796 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
6797 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
6798 (override_options): Disallow -mid-shared-library -mfdpic combination.
6799 Can't do unaligned ops if FD-PIC.
6800 Turn off flag_pic if trying to generate non-id-shared-library
6801 non-fdpic code, since it's not supported.
6802 (bfin_assemble_integer): New function.
6803 (TARGET_ASM_INTEGER): Define.
6804 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
6806 * config/bfin/crtn.s: Restore them.
6807 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
6809 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
6810 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
6811 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
6812 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
6813 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
6815 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
6816 FDPIC_REGS and FDPIC_FPTR_REGS.
6817 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
6818 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
6819 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
6820 (load_funcdescsi): New pattern.
6821 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
6822 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
6823 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
6825 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
6827 * gcse.c, rtlanal.c: Remove obsolete comments associated with
6830 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
6832 * tree-flow.h: Remove the prototype for add_type_alias.
6833 * tree-ssa-alias.c (add_type_alias): Remove.
6835 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
6837 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
6838 config/fr30/fr30.md, config/i386/i386-interix.h,
6839 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
6840 config/sh/superh64.h, config/v850/v850.c, df-core.c,
6841 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
6842 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
6843 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
6844 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
6845 Follow spelling conventions.
6846 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
6847 Follow spelling conventions.
6849 2006-05-27 Richard Guenther <rguenther@suse.de>
6852 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
6853 to produce a constant of value 1 of generic type.
6855 2006-05-27 Dirk Mueller <dmueller@suse.de>
6857 * cgraphunit.c (decide_is_function_needed): Fix wrong
6860 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
6862 PR rtl-optimization/27661
6863 * reload.c (find_reloads): When reloading a VOIDmode constant
6864 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
6865 use Pmode as mode of the reload register.
6867 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
6869 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
6870 is enabled at -O and above.
6872 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
6875 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
6878 2006-05-25 Mark Mitchell <mark@codesourcery.com>
6881 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
6882 for anonymous variables explicitly declared by front ends.
6884 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6886 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
6887 (struct alias_info): Add new field ref_all_symbol_mem_tag.
6888 * tree-ssa-alias.c (compute_may_aliases): If the program contains
6889 ref-all pointers, run a finalization pass for them.
6890 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
6891 (finalize_ref_all_pointers): New function.
6892 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
6893 regular pointer type to a ref-all pointer type.
6894 (get_tmt_for): Return the special memory tag for ref-all pointers.
6896 2006-05-25 Richard Guenther <rguenther@suse.de>
6899 * fold-const.c (fold_binary): Do not look at the stripped
6900 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
6902 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
6904 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
6905 for LT and GT if the computed range is effectively empty.
6907 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6910 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
6911 mips_quad_format formats instead of ieee_single_format,
6912 ieee_double_format and ieee_quad_format formats, respectively.
6914 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
6916 PR tree-optimization/27639
6917 PR tree-optimization/26719
6918 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6919 call to scev_probably_wraps_p.
6920 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
6921 used_in_pointer_arithmetic_p, convert_step): Removed.
6922 (nowrap_type_p): New function.
6923 (scev_probably_wraps_p): Rewritten.
6924 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
6925 chrec_convert if chrec_convert_aggressive might have been used.
6926 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
6927 scev_direction): New functions.
6928 (chrec_convert): Changed to a wrapper over chrec_convert_1.
6929 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
6930 instead of convert_step.
6931 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
6932 (convert_step): Declaration removed.
6933 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
6935 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
6937 * df-core.c: Added to header comments.
6938 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
6939 df_ur_bb_info, df_urec_bb_info): Added comments.
6940 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
6941 urec, ri problems): Fixed header comments.
6942 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
6943 code from df_rd_transfer_function.
6945 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6947 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
6948 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
6949 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
6951 2006-05-23 Joseph Myers <joseph@codesourcery.com>
6953 * expr.c (undefined_operand_subword_p): New.
6954 (emit_move_multi_word): Do not generate move from undefined bits
6955 of a paradoxical subreg.
6957 2006-05-23 Richard Sandiford <richard@codesourcery.com>
6959 PR rtl-optimization/27736
6960 * combine.c (replaced_rhs_value): New variable.
6961 (combine_instructions): Set it.
6962 (distribute_notes): When distributing a note in replaced_rhs_insn,
6963 check whether the value was used in replaced_rhs_value.
6965 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
6968 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
6969 add_referenced_var instead of add_referenced_tmp_var.
6970 * tree-complex.c (create_one_component_var): Use add_referenced_var.
6971 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
6973 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
6974 tree_optimize_tail_calls_1): Use add_referenced_var.
6975 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
6976 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
6977 Use add_referenced_var.
6978 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
6979 * gimplify.c (force_gimple_operand): Use add_referenced_var.
6980 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
6981 Use add_referenced_var.
6982 * tree-dfa.c (struct walk_state): Remove.
6983 (find_referenced_vars): Remove walk state and vars_found hash table.
6984 (make_rename_temp): Use add_referenced_var.
6985 (find_vars_r): Pass less parameters to add_referenced_var.
6986 (referenced_var_p): New. Is var in referenced_var hash table.
6987 (referenced_var_insert): Assert var isn't already in hash table.
6988 (add_referenced_var): Don't need walk_state parameter. Add var if it
6989 isn't already in the hash table.
6990 (add_referenced_tmp_var): Remove.
6991 (find_new_referenced_vars_1): Use add_referenced_var.
6992 * tree-ssa-pre.c (create_expression_by_pieces,
6993 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
6994 Use add_referenced_var.
6995 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
6996 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6997 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
6999 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7000 vect_create_data_ref_ptr, vect_create_destination_var,
7001 vect_init_vector, vect_build_loop_niters,
7002 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
7003 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
7004 Use add_referenced_var.
7005 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
7006 * tree-flow.h (add_referenced_tmp_var): Remove prototype
7007 (add_referenced_var): Add prototype.
7008 * tree-ssa-structalias.c (get_constraint_for,
7009 intra_create_variable_infos): Use add_referenced_var.
7011 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
7013 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
7014 big-endian paradoxical subregs.
7015 * var-tracking.c (struct micro_operation_def): Document that,
7016 for modify micro operations, insn is the subsequent instruction.
7017 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
7018 (var_reg_set, var_mem_set): ... new functions.
7019 (add_stores): Record subsequent insn.
7020 (compute_bb_dataflow): Use new functions for MO_USE.
7021 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
7022 notes after the insn, and modify notes before the insn known
7023 to be the subsequent one.
7024 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
7026 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
7029 * config/i386/i386.c (ix86_expand_builtin): Use
7030 gen_sse3_monitor64 for TARGET_64BIT.
7032 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
7034 PR rtl-optimization/26375
7035 PR rtl-optimization/26855
7036 * df-problems (df_ru_bb_local_compute_process_def): Removed update
7038 (df_ru_bb_local_compute): Reversed statements and removed bogus
7039 comment explaining why they should be in wrong order.
7040 (df_ru_dump, df_rd_dump): Enhanced debug info.
7041 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
7043 * ddg.c (add_deps_for_def): Converted use of reaching defs to
7044 reaching uses and fixed space problem.
7046 2006-05-23 Jan Hubicka <jh@suse.cz>
7048 * cgraphunit.c (decide_is_function_needed): Also nested functions
7049 and functions declared inline can be optimized out at -O0.
7051 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
7053 * doc/install.texi (Configuration): Remove reference to CrossGCC
7057 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7060 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
7061 ix86_compare_emitted is non-NULL.
7063 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7066 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
7069 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7071 PR rtl-optimization/25514
7072 * combine.c (replaced_rhs_insn): New variable.
7073 (combine_instructions): Set replaced_rhs_insn when trying to replace
7074 a SET_SRC with a REG_EQUAL note.
7075 (distribute_notes): Use replaced_rhs_insn when determining the live
7076 range of a REG_DEAD register.
7078 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
7079 Anatoly Sokolov <aesok@post.ru>
7081 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
7082 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
7083 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
7084 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
7085 atmega3290, atmega649, atmega6490, atmega406, atmega640,
7086 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
7087 at90usb647, at90usb1286 and at90usb1287 devices.
7088 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7089 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7091 2006-05-22 Richard Sandiford <richard@codesourcery.com>
7093 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
7095 2006-05-22 Richard Guenther <rguenther@suse.de>
7098 2006-01-31 Richard Guenther <rguenther@suse.de>
7099 Paolo Bonzini <bonzini@gnu.org>
7101 * doc/install.texi (--disable-libgcc-math): Document.
7103 2006-05-22 Richard Guenther <rguenther@suse.de>
7106 2006-01-31 Richard Guenther <rguenther@suse.de>
7108 * doc/invoke.texi (-msselibm): Document.
7109 * target.h (expand_library_builtin): New target hook.
7110 * builtins.c (expand_builtin): Use expand_library_builtin.
7111 (default_expand_library_builtin): New function.
7112 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7113 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7114 (link_gcc_math_spec): Declare.
7115 (static_specs): Add link_gcc_math_spec.
7116 * expr.h (default_expand_library_builtin): Declare.
7117 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7118 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7119 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7120 * config/i386/i386.opt (msselibm): New target option.
7121 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7122 (ix86_init_sse_abi_builtins): New function.
7123 (ix86_expand_library_builtin): Likewise.
7124 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7125 (override_options): Handle error conditions wrt -msselibm.
7126 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7127 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7128 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7131 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7134 * c-common.c (self_promoting_args_p): Skip erroneous args.
7137 * c-decl.c (finish_struct): Skip erroneous fields.
7139 2006-05-22 Nick Clifton <nickc@redhat.com>
7141 * config/cris/cris.opt (march): Remove VarExists attribute.
7142 (max-stackframe=): Likewise.
7144 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
7146 * doc/rtl.texi: Fix a typo.
7147 * see.c: Fix comment typos.
7149 * tree-ssa-structalias.h (alias_info): Remove num_references.
7151 2006-05-21 Mike Stump <mrs@apple.com>
7153 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
7155 (darwin_pragma_options): Use BAD instead.
7156 (darwin_pragma_unused): Likewise.
7157 (darwin_pragma_ms_struct): Likewise.
7159 2006-05-21 David Edelsohn <edelsohn@gnu.org>
7161 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
7163 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
7165 PR rtl-optimization/27671
7166 * simplify-rtx.c (simplify_relational_operation_1): Fix
7167 simplifications of (eq/ne (xor x y) y) and
7168 (eq/ne (xor x y) x).
7170 PR tree-optimization/26622.
7171 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
7174 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7176 * tree-cfg.c: Prune whitespace.
7177 (debug_tree_cfg): Point to correct header containing the
7180 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
7183 * cgraphunit.c (verify_cgraph_node): Typo in error message.
7185 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
7188 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
7189 or sorry count is non zero.
7191 2006-05-20 Andreas Schwab <schwab@suse.de>
7193 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
7195 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
7196 Kenneth Zadeck <zadeck@naturalbridge.com>
7198 PR rtl-optimization/26855
7200 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
7202 (df_scan_alloc): Added code to properly handle multiword hard
7203 registers and add all_blocks parameter.
7204 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
7205 code to properly handle multiword hard registers.
7206 (df_rescan_blocks): Added code to remove deleted blocks from
7208 (df_ref_create_structure, df_ref_record): Added code to properly
7210 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
7211 and set DF_REF_PARTIAL.
7212 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
7213 (df_uses_record): Added DF_REF_PARTIAL for subreg.
7214 (df_scan_add_problem): Added flags parameter.
7215 (df_ref_create_structure): Changed switching structure.
7216 (df_bb_refs_record): Fixed case where duplicate artificial refs
7217 were created. Changed location of flags.
7218 (df_record_entry_block_defs): Added code to make stack pointer
7219 live in entry block. Refined cases where frame pointer is needed.
7220 Changed location of flags.
7221 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
7222 (df_set_state): Removed function.
7223 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
7224 df_insn_create_insn_record, df_insn_refs_delete,
7225 df_ref_create_structure): Formatting changes.
7226 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
7227 df_delete_basic_block): New function.
7228 (df_init): Changed location of flags.
7229 (df_add_problem): Added flags parameter and the way flags are
7231 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
7232 debug_df_chain): Improved debugging output.
7233 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
7234 (df_refs_chain_dump): Removed df parameter.
7235 (df_iterative_dataflow): Added consistency check.
7236 (df_prune_to_subcfg): Made public.
7237 (df_analyze_problem): Added blocks_to_init parameter and made
7239 (df_ref_record, df_bb_refs_record, df_mark_reg,
7240 df_record_exit_block_uses): Whitespace changes.
7241 (df_dump): Whitespace changes.
7242 * df.h: Some reordering to remove forward references.
7243 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
7244 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
7245 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
7246 (dataflow.flags): New field.
7247 (df.flag): Deleted field.
7248 (df_alloc_function): Added additional bitmap parameter.
7249 (df_dependent_problem_function): New type.
7250 (df_problem.changeable_flags): New field.
7251 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
7252 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
7253 (df_mw_hardreg): New struct.
7254 (DF_INSN_UID_MWS): New macro.
7255 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
7257 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
7258 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
7259 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
7260 (df_set_state): Removed function.
7261 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
7262 * df-problems.c (df_chain_dump): Removed df parameter.
7263 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
7264 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
7266 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
7267 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
7268 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
7269 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
7270 DF_REF_MUST_CLOBBER cases.
7271 (df_ru_bb_local_compute_process_def,
7272 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
7273 df_lr_bb_local_compute, df_ur_bb_local_compute,
7274 df_chain_create_bb): Made subreg aware.
7275 (df_ru_bb_local_compute, df_rd_bb_local_compute,
7276 df_lr_bb_local_compute, df_lr_bb_local_compute,
7277 df_chain_create_bb): Cleanup to use proper macros.
7278 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
7279 code to fixup bitvectors.
7280 (df_ri_alloc): Cleared lifetime.
7281 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
7282 df_create_unused_note): New function.
7283 (df_ri_bb_compute, df_ri_compute): Added code to create/update
7284 REG_DEAD and REG_UNUSED notes as well as register information.
7285 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
7286 df_chains_dump): Fixed crash if problem was never run.
7287 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
7288 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
7289 df_ri_add_problem): Processes flags in uniform manner.
7290 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
7291 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
7292 df_rd_dump, df_urec_free_bb_info): Formatting changes.
7293 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
7294 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
7295 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
7296 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
7297 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
7298 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
7299 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
7300 * see.c (see_initialize_data): Ditto.
7301 * final.c (rest_of_clean_state) Added regstack_completed.
7302 * rtl.h (regstack_completed): Ditto.
7303 * reg-stack.c (regstack_completed): Ditto.
7305 2006-05-19 Mike Stump <mrs@apple.com>
7307 * c-tree.h (default_conversion): Remove.
7308 * c-common.h (default_conversion): Add.
7310 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
7312 * tree-vrp.c (valid_value_p): New function.
7313 (adjust_range_with_scev): Fail if the value of bound is not
7316 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7318 * config/mips/linux-unwind.h: Include <asm/unistd.h>
7319 (mips_fallback_frame_state): Use syscall numbers to determine
7320 the appropriate li instruction for the current ABI. Only use
7321 __NR_sigreturn for o32.
7323 2006-05-19 Nicolas Setton <setton@adacore.com>
7325 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
7326 * langhooks.c (lhd_dwarf_name): New function.
7327 * langhooks-def.h (lhd_dwarf_name): Declare.
7328 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
7329 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
7330 * ada/misc.c (gnat_dwarf_name): New function.
7331 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
7333 2006-05-19 Richard Sandiford <richard@codesourcery.com>
7335 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
7337 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
7338 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7339 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
7340 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
7341 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
7342 determine the size of Wtype, etc.
7343 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
7344 (swfloatfuncs): New variable.
7345 (dwfloatfuncs): Likewise.
7346 (lib2funcs): Remove floating-point conversion functions from
7347 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
7348 the set of conversion routines needed. Allow entries to specify
7349 an object name, filename and word size. Update users accordingly.
7350 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
7351 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
7355 2006-02-08 Roger Sayle <roger@eyesopen.com>
7358 * config/fixtfdi.c: New libgcc source file.
7359 * config/fixunstfdi.c: New source file.
7360 * config/floatditf.c: New source file.
7361 * config/floatunditf.c: New souce file.
7362 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7363 files above instead of config/mips/_tilib.c.
7364 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7366 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7368 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
7369 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
7371 2006-05-18 Mike Stump <mrs@apple.com>
7373 Fix up vla, vm and [*] sematics.
7379 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
7380 (c_vla_unspec_p): Add.
7381 (c_vla_type_p): Add.
7382 * c-decl.c (struct c_scope): Add had_vla_unspec.
7383 (build_array_declarator): Add support for [*].
7384 (grokdeclarator): Likewise.
7385 (grokparms): Likewise.
7386 (get_parm_info): Likewise.
7387 * c-objc-common.c (c_vla_unspec_p): Likewise.
7388 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
7389 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
7390 typeof when argument is a variably modified type not inside sizeof or alignof.
7391 (c_parser_direct_declarator_inner): Propagate errors.
7392 (c_parser_sizeof_expression): Add support for [*].
7393 (c_parser_parms_declarator): Initialize had_vla_unspec.
7394 (c_parser_parms_list_declarator): Likewise.
7395 * c-typeck.c (c_vla_type_p): Add.
7396 (composite_type): Add support for vla compositing.
7397 (comptypes_internal): Add support for vla compatibility.
7398 (c_expr_sizeof_expr): Evaluate vla arguments.
7399 * tree.c (variably_modified_type_p): Update comment for [*].
7401 2006-05-18 Michael Matz <matz@suse.de>
7404 * config.host: Make assignments to host_xmake_file cumulative.
7405 * config.host (*-darwin*): Test $host, not $target.
7407 2006-05-12 Stuart Hastings <stuart@apple.com>
7409 * config/i386/i386.opt (-mstackrealign): New flag.
7410 * config/i386/i386.c (force_align_arg_pointer): New attribute.
7411 (ix86_handle_cconv_attribute): Emit error when
7412 force_align_arg_pointer attribute collides with too many regparms.
7413 (ix86_function_regparm): Limit regparms when used with
7414 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
7415 Support stack-realigning prologue in non-main functions. Emit
7416 warning for nested functions under -mstackrealign, emit error for
7417 nested functions with force_align_arg_pointer attribute.
7418 * doc/extend.texi (force_align_arg_pointer): Document it.
7419 * doc/invoke.texi (-mstackrealign): Document it.
7421 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
7423 PR rtl-optimization/27477
7424 * combine.c (try_combine): Don't split a parallel consisting
7425 of two sets into two individual sets if both sets reference
7428 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
7430 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
7431 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
7433 * doc/options.texi (VarExists): Updated.
7435 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7437 * unwind-dw2.c: Add declarations for uw_update_context and
7439 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
7440 detected, advance frame state and context once to skip over stub.
7442 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7446 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
7447 Call rewrite_into_loop_closed_ssa only when something changed.
7448 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
7449 * lambda-code.c (can_convert_to_perfect_nest): Declared.
7450 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
7451 Test for perfect_nest_p here. Fix formating.
7452 (replace_uses_equiv_to_x_with_y): Fix formating.
7453 (stmt_uses_op): Removed.
7454 (can_convert_to_perfect_nest): Removed loopivs parameter.
7455 Complete the test by checking the scalar dependences.
7456 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
7459 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7462 From Dan Kegel <dank@kegel.com>:
7463 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
7465 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
7467 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
7468 if the element type is variably modified without recursing.
7470 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
7473 * tree-loop-linear.c (try_interchange_loops): Test for
7474 no data dependences.
7476 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
7478 PR tree-optimization/27548
7479 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
7480 range of ssa names that appear on abnormal edges.
7481 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
7482 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
7484 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
7487 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
7489 2006-05-17 Jakub Jelinek <jakub@redhat.com>
7492 * tree.h (OMP_PARALLEL_COMBINED): Define.
7493 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
7494 (new_omp_context): Add is_combined_parallel argument.
7495 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
7496 new_omp_context caller.
7497 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
7498 Adjust gimplify_scan_omp_clauses callers.
7499 (omp_is_private): Issue errors if iteration variable is firstprivate
7500 or reduction in the current context.
7501 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
7502 on combined parallel workshare constructs.
7504 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7506 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
7507 (gcc-options.o): New rule.
7509 * optc-gen.awk: Protect variables for gcc-options.o with
7510 #ifdef GCC_DRIVER/#endif.
7512 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
7514 Fix PR tree-optimization/27373
7515 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
7516 (forward_propagate_addr_expr): Update call.
7518 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7520 * doc/options.texi: Move the Negative option.
7522 2006-05-16 Richard Guenther <rguenther@suse.de>
7524 PR tree-optimization/22303
7525 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
7527 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
7528 ccp_fold did not simplify the statement.
7530 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
7533 * Makefile.in (GCC_OBJS): New.
7534 (OBJS-common): Add opts-common.o.
7535 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7536 (cpp$(exeext)): Likewise.
7537 (gcc.o): Also depend on opts.h.
7538 (opts-common.o): New.
7540 * common.opt (gcoff): Add Negative(gdwarf-2).
7541 (gdwarf-2): Add Negative(gstabs).
7542 (gstabs): Add Negative(gstabs+).
7543 (gstabs+): Add Negative(gvms).
7544 (gvms): Add Negative(gxcoff).
7545 (gxcoff): Add Negative(gxcoff+).
7546 (gxcoff+): Add Negative(gcoff).
7547 * config/i386/i386.opt (m32): Add Negative(m64).
7548 (m64): Add Negative(m32).
7550 * doc/options.texi: Document the Negative option.
7552 * gcc.c: Include "opts.h".
7553 (main): Call prune_options after expandargv.
7555 * optc-gen.awk: Generate common declarations for all flag
7556 variables in options.c. Output the neg_index field.
7558 * opts.c (find_opt): Moved to ...
7559 * opts-common.c: Here. New file.
7561 * opts.h (cl_option): Add a neg_index field.
7563 (prune_options): Likewise.
7565 2006-05-16 Jakub Jelinek <jakub@redhat.com>
7568 * omp-low.c (expand_omp_parallel): Don't assert
7569 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
7570 instead search for it.
7573 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
7576 2006-05-16 Andreas Schwab <schwab@suse.de>
7578 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
7581 2006-05-15 Roger Sayle <roger@eyesopen.com>
7584 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
7585 integer constants other than zero are only legitimate on TARGET_64BIT.
7586 <CONST_VECTOR> Only zero vectors are legitimate.
7587 (ix86_cannot_force_const_mem): Integral and vector constants can
7588 always be put in the constant pool.
7590 2006-05-16 DJ Delorie <dj@redhat.com>
7592 * crtstuff.c (__dso_handle): Set section from
7593 TARGET_LBIGCC_SDATA_SECTION if defined.
7594 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
7595 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
7597 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
7600 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
7603 2006-05-16 Ben Elliston <bje@au.ibm.com>
7605 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
7607 2006-05-15 Per Bothner <per@bothner.com>
7609 * tree.c: (last_annotated_node): Use source_locus typedef.
7610 This permits bootstrapping with --enable-mapped-location.
7612 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
7614 PR tree-optimization/26830
7615 * tree-into-ssa.c (struct ssa_name_info): Add age field.
7616 (info_for_ssa_name, current_info_for_ssa_name_age,
7617 blocks_to_update): New variables.
7618 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
7619 (clear_ssa_name_info, initialize_flags_in_bb,
7620 mark_block_for_update): New functions.
7621 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
7622 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
7623 prepare_def_site_for): Use mark_block_for_update.
7624 (mark_def_interesting): Assert that the processed block is marked in
7625 blocks_to_update. Do not take blocks argument.
7626 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
7628 (rewrite_update_init_block, rewrite_update_stmt): Only process
7629 blocks with statements to rewrite.
7630 (delete_update_ssa): Do not clear SSA_NAME_AUX.
7631 (update_ssa): Initialize and free blocks_to_update. Do not
7632 clear flags on statements. Do not use blocks bitmap.
7633 * tree.h (SSA_NAME_AUX): Removed.
7634 (struct tree_ssa_name): Removed aux field.
7635 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
7637 2006-05-15 Richard Guenther <rguenther@suse.de>
7639 PR tree-optimization/27603
7640 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
7641 Do computations in original type.
7643 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
7645 * see.c: Code style changes such as redundant paranthesis,
7646 redundant intialization of local variables etc.
7647 (see_main): Declared now as static.
7648 * doc/invoke.texi: Update that -fsee is not enabled by
7651 2006-05-15 Jakub Jelinek <jakub@redhat.com>
7653 * omp-low.c (check_omp_nesting_restrictions): New function.
7654 (scan_omp_1): Call it.
7657 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
7658 construct, return *VAR.
7660 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
7662 PR rtl-optimization/27406
7663 * bt-load.c (migrate_btr_def): Skip the block having abnormal
7666 2006-05-14 Roger Sayle <roger@eyesopen.com>
7668 PR rtl-optimization/27538
7669 * combine.c (expand_compound_operation): Call gen_lowpart
7670 before calling simplify_shift_const.
7672 2006-05-14 Roger Sayle <roger@eyesopen.com>
7674 PR rtl-optimization/22563
7675 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
7676 a fixed width bitfield, always force the intermediates into psuedos.
7678 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
7681 * mkconfig.sh: Use operator = instead of == for test.
7683 2006-05-13 Nick Clifton <nickc@redhat.com>
7685 * dwarf2out.c (dbx_reg_number): Check return value from
7686 LEAF_REG_REMAP and only use it if it is valid.
7687 (multiple_reg_loc_descriptor): Likewise.
7689 2006-05-13 Richard Guenther <rguenther@suse.de>
7691 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
7694 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
7696 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
7697 information attached to non-INSNs such as NOTEs.
7698 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
7700 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
7702 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
7704 * config/s390/s390.md: Adjust comment describing On constraint.
7706 2006-05-11 Jan Hubicka <jh@suse.cz>
7708 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
7709 to be output at -O0.
7711 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7714 * fold-const.c (size_binop): Move sanity check for arguments to
7715 the beginning of the function.
7718 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
7721 2006-05-11 Richard Guenther <rguenther@suse.de>
7724 * fold-const.c (fold_unary): Handle intermediate conversion
7725 to a pointer type like intermediate conversion to an integer
7726 type in folding of (T1)(T2)var to var.
7727 Match the code to the comment in the final conversion for
7728 (T1)(T2)var to (T1)var regarding to type precision. Rather
7729 than disallow T1 being of pointer type, assert that both T1
7730 and var are of pointer type or not. Make sure not to fall
7731 over the frontends lazyness wrt array to pointer decay though.
7733 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
7735 * arm.c (arm_struct_value_rtx): Delete.
7736 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
7737 (arm_init_cumulative_args): Always initialize nregs to zero.
7739 2006-05-10 Richard Guenther <rguenther@suse.de>
7741 PR tree-optimization/27532
7742 * tree-object-size.c (plus_expr_object_size): Fix typo.
7744 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
7747 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
7748 ashrdi_const, ashrdi3): Use a scratch register.
7750 2006-05-10 Richard Guenther <rguenther@suse.de>
7752 PR tree-optimization/27302
7753 * fold-const.c (operand_equal_p): For two comparisons,
7754 try comparison of one comparison code swapped if that yields
7757 2006-05-10 Ben Elliston <bje@au.ibm.com>
7759 * tree-pretty-print.c (pretty_print_string): No need to handle
7760 '\0' as a special character.
7762 * tree.h: Include "hashtab.h".
7763 (iterative_hash_expr): Use hashval_t in its prototype.
7764 * Makefile.in (TREE_H): Add $(HASHTAB_H).
7766 2006-05-09 Steve Ellcey <sje@cup.hp.com>
7769 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
7770 (hppa*64*-*-hpux11*): Ditto.
7771 (hppa[12]*-*-hpux11*): Ditto.
7773 2006-05-09 David Edelsohn <edelsohn@gnu.org>
7776 * config/rs6000/aix41.h (TARGET_64BIT): Define.
7778 2006-05-09 Michael Matz <matz@suse.de>
7780 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
7781 host_extra_gcc_objs and host_xmake_file.
7782 (<*-*-linux*>): Don't overwrite host_xmake_file.
7783 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
7784 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
7785 (host_detect_local_cpu): Declare.
7786 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
7787 * config/i386/i386.c (override_options): Handle -mtune=native
7789 * config/i386/x-i386: New file.
7790 * config/i386/driver-i386.c: New file.
7791 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
7794 2006-05-09 Dirk Mueller <dmueller@suse.de>
7795 Richard Guenther <rguenther@suse.de>
7798 * fold-const.c (fold_read_from_constant_string): Relax check
7799 for matching types to matching modes.
7801 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
7803 PR rtl-optimization/27335
7804 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
7807 2006-05-08 Chao-ying Fu <fu@mips.com>
7808 Richard Sandiford <richard@codesourcery.com>
7810 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
7811 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
7812 * config/mips/mips.md (UNSPEC_SCC): New constant.
7813 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
7814 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
7815 (mips_emit_compare): Use it.
7816 (mips_expand_vcondv2sf): New function.
7818 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
7820 Fix PR tree-optimization/27093
7821 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
7822 renaming when they become not-used_alone.
7824 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7826 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
7827 relocation and relocation stubs.
7829 2006-05-08 Eric Christopher <echristo@apple.com>
7831 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
7834 2006-05-08 Jan Hubicka <jh@suse.cz>
7837 * cgraphunit.c (decide_is_function_needed): When not optimizing even
7838 unused static functions are needed.
7840 2006-05-08 Roger Sayle <roger@eyesopen.com>
7843 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7844 of a reg_equiv_constant if the result is a legitimate constant.
7846 2006-05-08 Uros Bizjak <uros@kss-loka.si>
7849 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
7850 standard 80387 constants, raise the cost to prevent
7851 compress_float_constant() to generate load from memory.
7853 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
7855 * config/arm/constraints.md (c): Fix a typo.
7857 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
7860 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
7863 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
7865 (_mm_mwait): Likewise.
7867 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
7869 (sse3_monitor): Make it 32bit only.
7870 (sse3_monitor64): New. 64bit monitor.
7872 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7875 * config/i386/i386.c (classify_argument): Skip fields with invalid
7878 2006-05-07 Richard Guenther <rguenther@suse.de>
7880 PR tree-optimization/27409
7881 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7882 Do not try to find zero-sized subvars.
7884 2006-05-07 Richard Guenther <rguenther@suse.de>
7886 PR tree-optimization/27136
7887 * tree-ssa-loop-niter.c (get_val_for): Correct function
7888 comment, assert requirements.
7889 (loop_niter_by_eval): Stop processing if the iterated
7890 value did not simplify.
7892 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
7894 * opts.c (flag_see): remove its setting at -O3.
7896 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
7898 * genpeep.c (main): Make insn-peep.c depend on flags.h.
7899 * arm/constraints.md: New file.
7900 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
7901 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
7902 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
7903 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
7904 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
7905 (EXTRA_MEMORY_CONSTRAINT): Likewise.
7906 * arm.md: Include constraints.md.
7907 (thumb_movsi_insn): Use satisfies_constraint_J.
7908 (movhi, movqi): Use satisfies_constraint_I.
7910 2006-04-29 Anatoly Sokolov <aesok@post.ru>
7912 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
7913 for atmeg a645 device.
7915 2006-05-06 Richard Guenther <rguenther@suse.de>
7917 PR tree-optimization/27151
7918 * tree-vect-transform.c (vectorizable_condition): Punt on
7919 values that have a different type than the condition.
7921 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
7924 * c-parser.c (c_parser_cast_expression): Only insert casts into
7925 hash table if pointer.
7926 * function.c (used_types_insert_helper): Rename from
7928 (used_types_insert): Call used_types_insert_helper.
7929 * function.h (used_types_insert): Accept only one argument.
7931 2006-05-05 David Edelsohn <edesohn@gnu.org>
7933 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
7934 scratch with output modifier.
7936 2006-05-04 David Edelsohn <edelsohn@gnu.org>
7939 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7940 with output modifier.
7942 2006-05-04 Richard Sandiford <richard@codesourcery.com>
7945 * config/mips/mips.c (mips_symbolic_address_p): Return true
7946 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
7947 SYMBOL_GOTTPREL, and SYMBOL_TLS.
7949 2006-05-04 Richard Guenther <rguenther@suse.de>
7951 PR tree-optimization/14287
7952 PR tree-optimization/14844
7953 PR tree-optimization/19792
7954 PR tree-optimization/21608
7955 PR tree-optimization/27090
7956 * tree-ssa-pre.c (try_combine_conversion): New function.
7957 (compute_avail): After constructing the value-handle
7958 expression, use try_combine_conversion to combine NOP_EXPRs
7959 with previous value-handle expressions and use the result if it
7962 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
7964 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
7966 2006-05-04 Jan Hubicka <jh@suse.cz>
7969 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
7971 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7973 * config/bfin/predicates.md (const01_rtx): Tell generator programs
7974 that this only matches CONST_INTs. All users changed to VOIDmode
7977 * config/bfin/bfin.c: Include "optabs.h".
7978 (bfin_rtx_costs): Some costs for vector operations, to allow combine
7980 (enum bfin_builtins): Add a number of fractional and vector builtins.
7981 (bfin_init_builtins): Likewise.
7982 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
7983 (safe_vector_operand, bfin_expand_binop_builtin,
7984 bfin_expand_unop_builtin): New functions.
7985 (bfin_expand_builtin): Handle the new builtins.
7986 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7989 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
7992 * Makefile.in (OBJS-common): Add see.o.
7993 (see.o): Add dependencies.
7994 * common.opt (fsee): New flag for the see optimization was added.
7995 * opts.c (flag_see): Initialized.
7996 * passes.c (init_optimization_passes, pass_see): New pass.
7997 * rtl.h (see_main): Declaration as extern.
7998 * timevar.def (TV_SEE): New.
7999 * tree-pass.h (pass_see): Declaration as extern.
8000 * invoke.texi (-fsee): Document.
8001 * recog.c (validate_simplify_insn): New function.
8002 * recog.h (validate_simplify_insn): Declaration as extern.
8003 * df-problems.c (df_chain_dump): Check for NULL.
8005 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
8006 Daniel Berlin <dberlin@dberlin.org>
8008 * cfgrtl.c (insert_insn_bb_end_new): New function.
8009 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
8011 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8013 * df.h (struct web_entry): Moved from web.c.
8014 (union_defs): Declaration as extern.
8015 (unionfind_root): Likewise.
8016 (unionfind_union): Likewise.
8017 * web.c (struct web_entry): Moved to df.h.
8018 (unionfind_root): Remove static declaration.
8019 (unionfind_union): Likewise.
8020 (union_defs): Likewise and generalize to use callback function.
8021 (web_main): Update arguments for union_defs function call.
8023 2006-05-04 Richard Guenther <rguenther@suse.de>
8025 PR tree-optimization/26447
8026 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
8027 produce SSA_NAME copies before the store stmt to avoid
8028 breaking exception handling.
8030 2006-05-04 Jakub Jelinek <jakub@redhat.com>
8033 * gimplify.c (omp_is_private): If var is shared in some outer context,
8034 return false instead of true. Stop searching on parallel context
8037 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
8040 * coverage.c: Use get_gcov_unsigned_t() instead of
8041 unsigned_type_node all over.
8043 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
8045 PR tree-optimization/27381
8046 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
8047 maintain the same immediate_use links.
8048 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
8049 node rather than segfaulting.
8051 2006-05-03 Jakub Jelinek <jakub@redhat.com>
8054 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
8055 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
8056 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
8058 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
8060 Fix PR tree-optimization/26626
8061 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
8063 * tree-ssa-operands.c (access_can_touch_variable): Allow
8064 typecasting through union pointers.
8066 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8069 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
8070 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
8071 to find if var will be a global variable even in the nested context.
8072 (omp_copy_decl): Only check for global variable at the end, it might
8073 be overridden in outer contexts.
8074 (scan_sharing_clauses): For global variables don't create a field.
8075 (lower_rec_input_clauses): Do nothing for global shared variables.
8076 Emit a barrier at the end of ILIST if there were any decls in both
8077 firstprivate and lastprivate clauses.
8078 (lower_send_clauses): Do nothing for global variables except for
8081 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
8083 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
8084 of the correct signedness is returned.
8086 2006-05-02 Jeff Law <law@redhat.com>
8088 PR tree-optimization/27364
8089 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
8090 multiply expressions.
8092 2006-05-02 Tom Tromey <tromey@redhat.com>
8094 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
8096 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
8099 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
8100 -mthumb -fPIC are used.
8102 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
8103 Joshua Kinard <kumba@gentoo.org>
8106 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
8107 with 64-bit pointers.
8109 2006-05-02 Paul Brook <paul@codesourcery.com>
8111 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
8113 (create_fix_barrier): Check that a suitable barrier location is
8115 (arm_reorg): Include ftmp->address in allowable range of addresses.
8117 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
8120 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
8123 2006-05-02 Jakub Jelinek <jakub@redhat.com>
8126 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
8127 around RESULT_DECL for result passed by reference.
8128 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
8129 * omp-low.c (use_pointer_for_field): Don't look at
8130 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
8131 (scan_omp_1): Call remap_decl on RESULT_DECLs.
8132 (lower_rec_input_clauses): Don't allocate VLA memory for the second
8133 time or var for passing by reference for
8134 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
8135 TREE_ADDRESSABLE variables when passing by reference.
8137 * omp-low.c (dump_omp_region): Fix output formatting.
8140 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
8141 (expand_omp_parallel): Likewise.
8142 * tree-cfg.c (move_sese_region_to_fn): Likewise.
8145 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
8146 on statement list containing also constructors and destructors.
8147 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
8150 * except.c (duplicate_eh_regions): Fix clearing of
8151 cfun->eh->region_array entries.
8153 2006-05-01 DJ Delorie <dj@redhat.com>
8155 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
8157 (gcc_cv_objdump): Likewise.
8158 * configure: Regenerated.
8160 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
8163 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
8164 templates for case 3 and 4.
8166 2006-05-01 DJ Delorie <dj@redhat.com>
8168 * vec.c: Include bconfig.h when appropriate.
8169 * Makefile.in (build/vec.o): Adjust dependencies.
8170 * mkconfig.sh: Make sure config.h isn't used for build machine
8173 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8175 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
8177 (mark_phi_for_rewrite): New function.
8178 (insert_phi_nodes_for, mark_use_interesting): Call
8179 mark_phi_for_rewrite.
8180 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
8181 (update_ssa): Initialize and free phis_to_rewrite.
8183 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8185 PR rtl-optimization/27291
8186 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
8187 folded to a constant.
8189 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8191 PR tree-optimization/27283
8192 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
8193 not whole # of iteration descriptions.
8194 (niter_for_exit): Return just # of iterations. Fail if # of iterations
8195 uses abnormal ssa name.
8196 (niter_for_single_dom_exit): Ditto.
8197 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
8198 return just the number of iterations.
8200 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
8202 PR tree-optimization/27144
8203 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
8204 (record_estimate): Only record constant upper bound.
8205 (infer_loop_bounds_from_undefined): Call
8206 compute_estimated_nb_iterations just once.
8207 (proved_non_wrapping_p): Renamed to ...
8208 (n_of_executions_at_most): ... this. Expect bound to be a constant.
8209 (convert_step_widening, scev_probably_wraps_p): Call
8210 n_of_executions_at_most instead of proved_non_wrapping_p.
8211 (substitute_in_loop_info): Do not replace values in bounds.
8212 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
8215 2006-05-01 Richard Henderson <rth@redhat.com>
8218 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
8219 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
8222 2006-05-01 Roger Sayle <roger@eyesopen.com>
8224 * c-typeck.c (parser_build_binary_op): Don't call the function
8225 unsigned_conversion_warning to spot operand/result type overflow.
8226 (build_binary_op): Instead, call convert_and_check instead of
8227 convert to report the problem when the operands are promoted.
8228 * c-common.c (unsigned_conversion_warning): Make static.
8229 * c-common.h (unsigned_conversion_warning): Delete prototype.
8231 2006-05-01 Richard Guenther <rguenther@suse.de>
8233 PR tree-optimization/26726
8234 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
8236 (find_interesting_uses_address): ... we work around here
8237 by folding INDIRECT_REFs in the substituted base.
8239 2006-05-01 Diego Novillo <dnovillo@redhat.com>
8241 * omp-low.c (dump_omp_region): Add newlines.
8243 2006-04-30 Roger Sayle <roger@eyesopen.com>
8245 * common.opt (Woverflow): New command line option.
8246 * c-common.c (constant_expression_warning): Check warn_overflow.
8247 (overflow_waring): Pass OPT_Woverflow to warning.
8248 (unsigned_conversion_warning): Likewise.
8249 (convert_and_check): Likewise.
8250 * doc/invoke.texi: Document new command line option.
8252 2006-04-30 David Edelsohn <edelsohn@gnu.org>
8254 * config/rs6000/rs6000.c (rs6000_override_options): Enable
8255 TARGET_NO_FP_IN_TOC for section anchors.
8256 (optimization_options): Enable section anchors for all
8257 non-"Objective" languages.
8259 2006-04-28 Eric Christopher <echristo@apple.com>
8261 * config/darwin-c.c (darwin_ms_struct): Move this
8262 (darwin_set_default_type_attributes): and this...
8263 * config/darwin.c: ... here.
8264 * config/darwin.h (darwin_ms_struct): Declare.
8266 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
8268 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
8270 2006-04-28 Roger Sayle <roger@eyesopen.com>
8273 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
8274 (push_array_bounds): Delete prototype. Change BOUNDS argument to
8275 an unsigned HOST_WIDE_INT.
8276 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
8278 (really_start_incremental_init): No need to call convert because
8279 bitsize_zero_node is already of type bitsizetype.
8280 (push_init_level): Extract the value of constructor_index as an
8281 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
8282 (process_init_element): Likewise.
8284 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
8286 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
8287 value before passing to make_relative_prefix.
8289 2006-04-28 Alan Modra <amodra@bigpond.net.au>
8292 * builtins.c (expand_builtin_memset): Expand val in original mode.
8294 2006-04-27 Eric Christopher <echristo@apple.com>
8296 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
8297 with #ifndef/#endif.
8298 * config/darwin-c.c (darwin_ms_struct): New.
8299 (darwin_pragma_ms_struct): Ditto.
8300 (darwin_set_default_type_attributes): Ditto.
8301 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
8302 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
8303 Register ms_struct pragma.
8304 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
8305 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
8306 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
8307 darwin_set_default_type_attributes if TARGET_MACHO.
8309 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
8311 PR tree-optimization/26854
8312 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
8313 * doc/tree-ssa.texi: Update immuse iterator documentation.
8314 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
8315 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
8316 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
8317 first_safe_imm_use, next_safe_imm_use): Remove.
8318 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
8319 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
8320 (move_use_after_head): New. Helper function to sort immuses in a stmt.
8321 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
8322 (first_imm_use_stmt): New. Get first stmt in an immuse list.
8323 (next_imm_use_stmt): New. Get next stmt in an immuse list.
8324 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
8325 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
8326 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
8327 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
8328 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
8329 (perfect_nestify): Use new iterator.
8330 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
8332 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
8333 (next_imm_name): New field in struct immediate_use_iterator_d.
8334 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
8335 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
8336 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
8337 * tree-cfg.c (replace_uses_by): Use new iterator.
8338 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
8339 * tree-ssa-operands.c (correct_use_link): Remove.
8340 (finalize_ssa_use_ops): No longer call correct_use_link.
8342 2006-04-27 Stuart Hastings <stuart@apple.com>
8344 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
8345 * config/t-darwin (crt3.o): Use it.
8346 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
8347 'pmode', use Pmode instead of SImode for SYMBOL_REF.
8348 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
8349 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
8350 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
8353 2006-04-27 Roger Sayle <roger@eyesopen.com>
8355 * expmed.c (store_fixed_bit_field): If we're not optimizing for
8356 size, force the intermediate into a new pseudo rather instead of
8357 performing both a bitwise AND and a bitwise IOR in memory.
8359 2006-04-27 Richard Guenther <rguenther@suse.de>
8361 PR rtl-optimization/26685
8362 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
8363 this one "max-flow-memory-locations".
8365 2006-04-27 Richard Guenther <rguenther@suse.de>
8367 PR tree-optimization/25148
8368 * tree-vrp.c (compare_values): Remove code dealing with
8369 comparisons against type min/max value. Honour overflow
8370 and negative constants in code dealing with comparisons
8371 of plus and minus expressions.
8372 (value_inside_range): Use fold_binary with LE_EXPR and
8373 GE_EXPR rather than compare_values.
8375 2006-04-27 Dirk Mueller <dmueller@suse.de>
8377 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
8380 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
8382 * basic-block.h (safe_insert_insn_on_edge): Removed.
8383 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
8385 2006-04-26 David Edelsohn <edelsohn@gnu.org>
8386 Paolo Bonzini <bonzini@gnu.org>
8389 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
8390 (simplify_and_const_int): Same.
8392 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
8394 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
8396 2006-04-26 Jakub Jelinek <jakub@redhat.com>
8399 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
8400 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
8401 cgraph_global_info_ready.
8404 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
8407 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
8408 either decl or init is error_mark_node.
8411 * tree-flow.h (struct omp_region): Add sched_kind.
8412 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
8413 instead of extracting omp for data.
8414 (expand_omp_for): Save extracted sched_kind.
8416 2006-04-25 Roger Sayle <roger@eyesopen.com>
8418 * expmed.c (store_bit_field): Also check whether the bitsize is
8419 valid for the machine's "insv" instruction before moving the
8420 target into a pseudo for use with the insv.
8421 * config/i386/predicates.md (const8_operand): New predicate.
8422 * config/i386/i386.md (extv, extzv, insv): Use the new
8423 const8_operand predicate where appropriate.
8425 2006-04-25 DJ Delorie <dj@redhat.com>
8427 * doc/install.texi (Specific): Clarify that this is not a list of
8428 supported hosts or targets.
8430 2006-04-25 Richard Sandiford <richard@codesourcery.com>
8432 PR rtl-optimization/26725
8433 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
8434 block's BB_DIRTY flag.
8436 2006-04-25 Geoffrey Keating <geoffk@apple.com>
8438 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
8441 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
8442 to print an integer.
8444 2006-04-25 David Edelsohn <edelsohn@gnu.org>
8446 * varasm.c (align_variable): New function.
8447 (get_block_for_decl): Apply align_variable to DECL before
8448 calculating section information.
8449 (assemble_variable): Split out alignment computation.
8451 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
8453 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
8456 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
8458 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
8459 MODE_PARTIAL_INT mode.
8460 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
8461 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
8463 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
8464 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
8466 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
8468 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
8470 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
8471 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
8472 MACFLAG_IH): Likewise.
8473 (movstricthi_1): Renamed from "*movstricthi".
8474 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
8475 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
8476 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
8477 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
8478 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
8479 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
8480 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
8481 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
8482 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
8483 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
8484 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
8485 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
8486 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
8487 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
8488 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
8490 * doc/rtl.texi (ss_ashift): Improve wording.
8492 2006-04-24 Geoffrey Keating <geoffk@apple.com>
8494 * dwarf2out.c (verify_marks_clear): New.
8495 (prune_unused_types): Call verify_marks_clear initially, not
8498 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
8500 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
8501 * doc/rtl.texi: Document them.
8502 * simplify-rtx.c (simplify_unary_operation,
8503 simplify_binary_operation_1): Don't abort when we see them.
8505 2006-04-24 Mark Mitchell <mark@codesourcery.com>
8508 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8509 * configure.ac: Completely disregard languages that are not
8511 * configure: Regenerated.
8513 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8514 Richard Guenther <rguenther@suse.de>
8516 PR tree-optimization/27236
8517 * tree-inline.c (copy_body_r): Make sure to copy
8518 TREE_THIS_VOLATILE flag.
8520 2006-04-24 Richard Guenther <rguenther@suse.de>
8523 * tree-complex.c (update_parameter_components): Don't handle
8524 unused parameters which have no default def.
8526 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
8527 Richard Guenther <rguenther@suse.de>
8529 PR tree-optimization/27218
8530 * tree-inline.c (expand_call_inline): Strip useless type
8531 conversions for the return slot address.
8533 2006-04-24 Richard Guenther <rguenther@suse.de>
8535 * cfgloop.h (struct loops): Remove unused field array. Reorder
8537 (LOOP_PREFETCH): Remove.
8539 2006-04-24 Richard Guenther <rguenther@suse.de>
8541 PR tree-optimization/22525
8542 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
8543 variable, adjust types of generated expressions.
8545 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
8547 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
8548 (tree-vect-patterns.o): Likewise.
8550 (cselib.o): Likewise.
8551 (loop-doloop.o): Likewise.
8552 (regclass.o): Likewise.
8553 (reload1.o): Likewise.
8554 (explow.o): Replace target.h with $(TARGET_H).
8555 (ipa-prop.o): Likewise.
8556 (ipa-cp.o): Likewise.
8557 (ipa-inline.o): Likewise.
8558 (reorg.o): Likewise.
8559 (reg-stack.o): Likewise.
8561 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8563 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
8565 2006-04-23 Mark Mitchell <mark@codesourcery.com>
8567 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
8569 * configure.ac: Completely disregard languages that are not
8571 * configure: Regenerated.
8574 * c-common.h (c_build_bitfield_integer_type): Declare.
8575 * c-decl.c (c_build_bitfield_integer_type): Move to ...
8576 * c-common.c (c_build_bitfield_integer_type): ... here.
8578 2006-04-23 Roger Sayle <roger@eyesopen.com>
8581 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
8582 a SImode SUBREG of a floating point register after no_new_pseudos.
8584 2006-04-23 Roger Sayle <roger@eyesopen.com>
8586 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
8587 identify potentially eliminable registers to additionally catch
8588 VIRTUAL_INCOMING_ARGS_REGNUM.
8589 (addsi3): Update the conditions on when to use addsi_small_int.
8591 2006-04-23 Roger Sayle <roger@eyesopen.com>
8594 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
8595 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
8596 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
8598 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
8600 * fold-const.c (range_predecessor): Use operand_equal_p
8601 as the predicate for equality.
8602 (range_successor): Likewise.
8604 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8607 * config/soft-fp/op-common.h: Fix a typo.
8609 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
8612 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
8613 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
8615 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
8617 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
8619 * doc/tm.texi: Fix a typo.
8621 2006-04-21 Geoffrey Keating <geoffk@apple.com>
8623 * dwarf2out.c (struct die_struct): Document that die_sib makes
8624 a circular linked list.
8625 (FOR_EACH_CHILD): New.
8626 (reverse_die_lists): Delete.
8627 (reverse_all_dies): Delete.
8628 (add_dwarf_attr): Correct documentation.
8629 (remove_child_with_prev): New.
8630 (remove_child_TAG): Update for change to die_struct, use
8631 remove_child_with_prev.
8632 (add_child_die): Update for change to die_struct.
8633 (splice_child_die): Use remove_child_with_prev and add_child_die.
8634 (print_die): Use FOR_EACH_CHILD.
8635 (die_checksum): Likewise.
8636 (assign_symbol_names): Likewise.
8637 (output_location_lists): Likewise.
8638 (build_abbrev_table): Likewise.
8639 (calc_die_sizes): Likewise.
8640 (mark_dies): Likewise.
8641 (unmark_dies): Likewise.
8642 (unmark_all_dies): Likewise.
8643 (output_die): Likewise.
8644 (prune_unused_types_mark): Likewise.
8645 (prune_unused_types_walk): Likewise.
8646 (same_die_p): Update for change to die_struct.
8647 (break_out_includes): Likewise.
8648 (prune_unused_types_prune): Likewise.
8649 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
8650 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
8652 (dwarf2out_finish): Don't call reverse_all_dies.
8654 2006-04-21 Eric Christopher <echristo@apple.com>
8656 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
8657 in comments and function names.
8659 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8662 * c-typeck.c (digest_init): Robustify.
8664 * c-typeck.c (pop_init_level): Simplify.
8666 2006-04-21 Steve Ellcey <sje@cup.hp.com>
8668 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
8670 2006-04-21 Paul Brook <paul@codesourcery.com>
8672 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
8673 hardware floating point.
8675 2006-04-21 David Edelsohn <edelsohn@gnu.org>
8677 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
8680 2006-04-21 Nick Clifton <nickc@redhat.com>
8682 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
8685 2006-04-21 Alan Modra <amodra@bigpond.net.au>
8688 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
8689 C++ lang type in traceback table for Objective-C++.
8691 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
8693 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
8695 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
8697 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8700 * tree-mudflap.c (mudflap_finish_file): Skip function when there
8701 were errors. Remove check for erroneous objects.
8703 2006-04-20 Jeff Law <law@redhat.com>
8705 PR tree-optimization/26854
8706 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
8707 checking for zero or one use.
8708 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
8709 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
8710 * tree-ssa-reassoc.c (negate_value): Similarly.
8711 (reassociate_bb): Similarly.
8713 2006-04-20 Jakub Jelinek <jakub@redhat.com>
8715 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
8716 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
8717 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
8719 2006-04-20 Alan Modra <amodra@bigpond.net.au>
8721 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
8722 fp regs if the last fp arg doesn't fit in regs.
8724 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
8727 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
8728 that the last insn has the REG_INC note.
8730 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
8731 Nathan Sidwell <nathan@codesourcery.com>
8734 * stor-layout.c (update_alignment_for_field): Do not align
8736 (place_union_field): Place union field at the start of the union.
8737 (place_field): Move ERROR_MARK check later, and use the current
8738 allocation position to maintain monotonicity.
8740 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
8742 * dominance.c: Include timevar.h.
8743 (calculate_dominance_info): Use TV_DOMINANCE.
8744 * timevar.def (TV_DOMINANCE): New timevar.
8745 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
8747 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8749 PR rtl-optimization/14261
8750 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
8751 move would be an INSV insn.
8752 (noce_process_if_block): Don't optimize if the destination is a
8753 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
8755 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
8757 * config/s390/s390.md: Add comments with the instructions emitted
8758 by an insn pattern if macros are used.
8760 2006-04-19 Alan Modra <amodra@bigpond.net.au>
8762 PR rtl-optimization/26026
8763 * fold-const.c (fold_binary): Optimize div and mod where the divisor
8764 is a known power of two shifted left a variable amount.
8766 2006-04-18 Geoffrey Keating <geoffk@apple.com>
8768 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
8769 to hash table twice when the debug_str section has SECTION_MERGE.
8771 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
8773 * config/soft-fp: New directory. From glibc.
8774 * config/soft-fp/t-softfp: New.
8775 * config/soft-fp/README: New.
8776 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
8777 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
8778 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
8779 (LIBGCC_DEPS): Add $(SFP_MACHINE).
8780 * config.gcc: Use rs6000/t-fprules-fpbit or
8781 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
8783 * config/rs6000/sfp-machine.h: New. Based on glibc.
8784 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
8786 * config/rs6000/t-fprules: Remove fp-bit rules.
8787 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
8788 * config/rs6000/t-linux64: Likewise. Remove duplicates from
8789 LIB2FUNCS_EXTRA. Remove fp-bit rules.
8790 (softfp_wrap_start, softfp_wrap_end): New.
8792 2006-04-18 DJ Delorie <dj@redhat.com>
8794 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
8796 2006-04-18 Devang Patel <dpatel@apple.com>
8798 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
8800 2006-04-18 Nick Clifton <nickc@redhat.com>
8802 * config/sh/t-symbian: Add rule to build sh-c.o
8803 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
8804 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
8805 (sh_symbian_encode_section_info): Likewise.
8807 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
8809 * builtins.c (expand_builtin_strcmp): Cover label definition of
8810 do_libcall with HAVE_cmpstrnsi.
8812 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
8814 * function.c (temp_slots_at_level, max_slot_level): Use VEC
8816 * function.h (temp_slot_p): New.
8817 (function): Change the type of x_used_temp_slots to
8818 VEC(temp_slot_p,gc) *.
8820 2006-04-18 Nick Clifton <nickc@redhat.com>
8822 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
8823 flag_strength_reduce.
8825 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
8827 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8831 Partial revert of revision 112637
8832 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8833 Dale Johannesen <dalej@apple.com>
8836 * regclass.c (struct reg_pref): Update documentation.
8837 (regclass): Set prefclass to NO_REGS if memory is the best option.
8838 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8840 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
8842 PR tree-optimization/26821
8843 * tree-ssa-math-opts.c (get_constant_one): New.
8844 (insert_reciprocals): Use it.
8846 2006-04-17 Geoffrey Keating <geoffk@apple.com>
8848 * dwarf2out.c (free_AT): Delete.
8849 (remove_AT): Update string ref counts.
8850 (remove_child_TAG): Don't call free_die.
8852 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
8853 or DW_TAG_GNU_EINCL.
8854 (prune_unused_types_walk_attribs): Reset string refcounts.
8855 (prune_unused_types_update_strings): New.
8856 (prune_unused_types_prune): Don't make unnecessary stores. Don't
8857 call free_die. Do call prune_unused_types_update_strings.
8858 (prune_unused_types): Empty debug_str_hash.
8860 2006-04-17 Roger Sayle <roger@eyesopen.com>
8862 * expr.c (expand_assignment): Optimize away no-op moves where the
8863 source and destination are equal and have no side-effects.
8865 2006-04-17 Richard Guenther <rguenther@suse.de>
8868 * reload.c (push_reload): Guard calls to get_secondary_mem
8871 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
8873 * alias.c (reg_base_value, old_reg_base_value): Change the
8874 type to VEC(rtx,gc) *.
8875 (REG_BASE_VALUE, find_base_value, record_set,
8876 init_alias_analysis): Use VEC instead of VARRAY.
8878 * alias.c (alias_sets): Change the type to
8879 VEC(alias_set_entry,gc) *.
8880 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
8881 VEC instead of VARRAY.
8882 (last_alias_set): Remove.
8884 * cgraph.h (cgraph_edge_p): New.
8885 Update the prototype of cgraph_function_versioning.
8886 * cgraphunit.c (cgraph_copy_node_for_versioning,
8887 cgraph_function_versioning): Use VEC instead of VARRAY.
8888 * ipa-cp.c (ipcp_insert_stage): Likewise.
8890 2006-04-16 Roger Sayle <roger@eyesopen.com>
8893 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
8894 "A op B" or "A op C", we may need to convert A to the type of B and C.
8896 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
8898 * target.h (struct gcc_target): Add mode_rep_extended.
8899 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
8900 (init_num_sign_bit_copies_in_rep): Initialize it using
8902 (truncate_to_mode): Use it.
8903 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
8904 * targhooks.h (default_mode_rep_extended): Declare it.
8905 * targhooks.c (default_mode_rep_extended): Define it.
8906 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
8907 default_mode_rep_extended.
8908 (TARGET_INITIALIZER): Include it.
8909 * doc/tm.texi (Misc): Document it.
8910 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
8911 (mips_truncated_to_mode): New function.
8913 2006-04-16 Roger Sayle <roger@eyesopen.com>
8916 * expr.c (compress_float_constant): Copy the narrow constant into
8917 a new pseudo before extending it to its final width.
8919 2006-04-16 Roger Sayle <roger@eyesopen.com>
8920 Andrew Pinski <pinskia@gcc.gnu.org>
8921 Dale Johannesen <dalej@apple.com>
8924 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
8925 special case code to implement V8HImode and V16QImode with SSE2.
8927 2006-04-15 Roger Sayle <roger@eyesopen.com>
8929 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
8930 trees are constructed with a suitable tree type.
8932 2006-04-15 Roger Sayle <roger@eyesopen.com>
8934 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
8935 (integer_onep): Likewise.
8936 (integer_all_onesp): Likewise.
8937 (integer_pow2p): Likewise.
8938 (integer_nonzerop): Likewise.
8939 (real_zerop): Likewise.
8940 (real_onep): Likewise.
8941 (real_twop): Likewise.
8942 (real_minus_onep): Likewise.
8943 (int_size_in_bytes): Likewise.
8944 (host_integerp): Likewise.
8946 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
8948 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
8949 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
8950 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
8952 * tree-ssa-structalias.h (alias_info): Remove num_references.
8954 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8956 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
8957 (output_bvb patterns): Likewise.
8958 * pa.c (output_bb): Use 'bb' insn for long branch case.
8959 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
8960 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
8961 1. Correct length operand for alternatives 1 and 2.
8962 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
8963 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
8965 2006-04-14 Roger Sayle <roger@eyesopen.com>
8967 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
8968 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
8969 were accidentally reverted by r112959.
8971 2006-04-15 Jakub Jelinek <jakub@redhat.com>
8974 * except.h (eh_region_outermost): New prototype.
8975 * except.c (eh_region_outermost): New function.
8976 * tree-cfg.c (find_outermost_region_in_block): Use it.
8978 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
8980 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
8982 * reload1.c (reg_equiv_memory_loc_varray): Rename to
8983 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
8984 (init_reload, reload): Use VEC instead of VARRAY.
8985 * reload.h: Update the prototype for
8986 reg_equiv_memory_loc_varray.
8988 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
8989 Eric Botcazou <ebotcazou@libertysurf.fr>
8991 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
8994 2005-04-13 Uros Bizjak <uros@kss-loka.si>
8997 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
8998 to expand fallback builtin function call.
9000 2006-04-14 Alan Modra <amodra@bigpond.net.au>
9003 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
9004 and emit libcall here in case the builtin fails.
9005 (expand_builtin_strcmp): Always emit the libcall here on failure.
9007 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
9009 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
9010 * flow.c (reg_n_info): Change the type to
9011 VEC(reg_info_p,heap) *.
9012 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
9014 * regs.h (reg_info_p): New.
9015 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
9016 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
9017 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
9020 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
9022 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
9024 * params.h (MAX_SCHED_READY_INSNS): New macro.
9025 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
9026 past MAX_SCHED_READY_INSNS during the first scheduling pass.
9027 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
9028 the ready list for 1 cycle during the first scheduling pass.
9029 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
9031 2006-04-13 Richard Henderson <rth@redhat.com>
9034 * gimple-low.c (lower_omp_directive): Remove dead code.
9035 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
9036 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
9037 * omp-low.c (struct omp_region): Move to tree-flow.h.
9038 (root_omp_region): Export.
9039 (omp_regions, lookup_omp_region): Remove.
9040 (determine_parallel_type): Update for struct omp_region changes.
9041 (dump_omp_region): Dump regions with block numbers.
9042 (new_omp_region): Take type and block instead of stmt; malloc
9044 (free_omp_region_1, free_omp_regions): New.
9045 (expand_parallel_call): Take entry_stmt as argument; update for
9046 changes to omp_region.
9047 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
9048 (remove_exit_barriers): New.
9049 (expand_omp_parallel): Update for struct omp_region changes.
9050 (expand_omp_synch): Likewise.
9051 (expand_omp): Likewise.
9052 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
9053 (expand_omp_for_static_chunk): Likewise.
9054 (expand_omp_for): Likewise.
9055 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
9056 (expand_omp_sections): Similarly, with GOMP_sections_end.
9057 (expand_omp_single): New.
9058 (build_omp_regions_1): Update for OMP_CONTINUE.
9059 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
9060 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
9061 OMP_SECTIONS_SECTIONS.
9062 (lower_omp_single_simple): Don't emit barrier here.
9063 (lower_omp_single_copy): Likewise.
9064 (lower_omp_single): Fix bindings, and lower to straightline now.
9065 (lower_omp_master, lower_omp_ordered): Likewise.
9066 (lower_omp_critical): Likewise.
9067 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
9068 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
9069 omp edges, free it afterward.
9070 (make_omp_sections_edges): Remove.
9071 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
9072 (move_stmt_r): Handle OMP_CONTINUE.
9073 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
9074 statement pointers to basic blocks. Add type member.
9075 (root_omp_region, new_omp_region, free_omp_regions): Declare.
9076 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
9077 * tree-inline.c (estimate_num_insns_1): Likewise.
9078 * tree-pretty-print.c (dump_generic_node): Likewise.
9079 * tree-ssa-operands.c (get_expr_operands): Likewise.
9080 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
9081 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
9082 (OMP_CONTINUE): New.
9083 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
9084 (OMP_SECTIONS_SECTIONS): Remove.
9085 (OMP_SECTION_LAST): New.
9086 (OMP_RETURN_NOWAIT): New.
9088 2006-04-13 Roger Sayle <roger@eyesopen.com>
9090 * fold-const.c (native_encode_vector, native_interpret_real):
9091 Correct obvious mistakes in the previous check-in.
9093 2006-04-13 Roger Sayle <roger@eyesopen.com>
9095 * fold-const.c (native_encode_expr): New function to encode
9096 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
9097 or VECTOR_CST into a specified buffer.
9098 (native_encode_int): New function.
9099 (native_encode_real): New function.
9100 (native_encode_complex): New function.
9101 (native_encode_vector): New function.
9102 (native_interpret_expr): Inverse of native_encode_expr to convert
9103 a target representation into an INTEGER_CST, REAL_CST etc...
9104 (native_interpret_int): New function.
9105 (native_interpret_real): New function.
9106 (native_interpret_complex): New function.
9107 (native_interpret_vector): New function.
9108 (fold_view_convert_expr): New function to constant fold/evaluate
9109 a VIEW_CONVERT_EXPR of a suitable constant expression.
9110 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
9111 Change call of build1 to fold_build1 when constructing a
9114 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
9115 Ulrich Weigand <uweigand@de.ibm.com>
9118 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
9121 2006-04-13 Alan Modra <amodra@bigpond.net.au>
9124 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
9125 optimize to lo_sum for DFmode if !TARGET_FPRS.
9127 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9129 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
9130 delete_alias_info, compute_flow_sensitive_aliasing,
9131 group_aliases): Use VEC instead of VARRAY.
9132 * tree-ssa-structalias.c (update_alias_info): Likewise.
9133 * tree-ssa-structalias.h (alias_info): Change the type of
9134 processed_ptrs to VEC(tree,heap) *.
9136 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
9139 * config/sh/lib1funcs.h: New file, broken out of:
9140 * config/sh/lib1funcs.asm.
9141 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
9143 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
9144 * config/sh/lib1funcs-Os-4-200.asm: New file.
9145 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
9146 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
9147 (EXTRA_MULTILIB_PARTS): Include it.
9148 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
9149 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
9150 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
9151 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
9154 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
9156 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
9157 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
9158 tpa_compact, root_var_init, type_var_init): Use VEC instead of
9160 * tree-ssa-live.h: Include vecprim.h.
9161 (tree_partition_associator_d): Change the type of
9162 first_partition to VEC(int,heap) *.
9163 (tpa_first_partition): Use VEC instead of VARRAY.
9165 * Makefile.in (GTFILES): Move functions.h after tree.h.
9166 * function.c (reset_block_changes, record_block_change,
9167 check_block_change, free_block_changes): Use VEC instead of
9169 * function.h (function): Change the type of
9170 ib_boundaries_block to VEC(tree,gc) *.
9171 * tree-inline.c (copy_cfg_body): Initialize
9172 ib_boundaries_block to NULL instead of (varray_type) 0.
9174 2006-04-12 Roger Sayle <roger@eyesopen.com>
9176 * expr.c (emit_group_store): Correct operand order in call to
9177 subreg_lowpart_offset. Always create paradoxical SUBREGs with
9178 a SUBREG_BYTE of zero.
9180 2006-04-12 Richard Guenther <rguenther@suse.de>
9182 * profile.c (compute_branch_probabilities): Remove code
9183 encapsulated in !ir_type (), which are remanents of the
9184 removed RTL profiling code.
9185 * rtl-profile.c: Remove.
9187 2006-04-12 Alan Modra <amodra@bigpond.net.au>
9189 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
9190 magic NULL_RTX comment.
9191 (function_arg): Store entire fp arg to mem if any part should go
9193 (rs6000_arg_partial_bytes): Adjust for above change.
9195 2006-04-11 Roger Sayle <roger@eyesopen.com>
9197 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
9198 if it hasn't been initialized by dwarf2out_init.
9200 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
9202 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
9203 symbolic constants in branch patterns.
9205 2006-04-11 Roger Sayle <roger@eyesopen.com>
9207 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
9209 2006-04-11 Richard Sandiford <richard@codesourcery.com>
9211 PR rtl-optimization/27073
9212 * gcse.c (try_replace_reg): Revert last change. Continue to search
9213 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
9216 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9218 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
9219 aggregate types other than record and union types.
9220 (function_arg): Likewise.
9221 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
9223 (function_value): In 64-bit mode, return objects that require it
9226 2006-04-11 Roger Sayle <roger@eyesopen.com>
9228 * dwarf2out.c (premark_used_types): Remove problematic prototype.
9230 2006-04-11 Jakub Jelinek <jakub@redhat.com>
9232 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
9234 2006-04-03 Jeff Law <law@redhat.com>
9237 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
9238 alias information too.
9240 2006-04-10 Mike Frysinger <vapier@gentoo.org>
9242 * Makefile.in (gcc-cross): Add $(exeext) to target name.
9244 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
9247 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
9248 (premark_used_types_helper): New.
9249 (premark_used_types): New.
9250 (gen_subprogram_die): Call premark_used_types.
9251 (prune_unused_types_walk): Do not prune perennial dies.
9252 * function.c (used_types_insert): New.
9253 * function.h (struct function): Add used_types_hash field.
9254 (used_types_insert): Add prototype.
9255 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
9256 * c-parser.c (c_parser_cast_expression): Save casted types in used
9259 2006-04-11 Mark Mitchell <mark@codesourcery.com>
9262 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
9263 rs6000_explicit_options.float_gprs.
9265 2006-04-10 Roger Sayle <roger@eyesopen.com>
9267 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
9268 from ix86_expand_vector_init_low_nonzero. Take an additional
9269 one_var argument indicating which element is non-zero. Support
9270 one_var != 0 for V4SFmode and V4SImode by permuting the result.
9271 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
9272 with one_var instead of ix86_expand_vector_init_low_nonzero.
9274 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
9276 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
9277 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
9278 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
9279 build/genextract.o): Depend on vecprim.h.
9280 * cfglayout.c, df-problems.c, function.c, genextract.c,
9281 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
9282 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
9286 2006-04-10 Geoffrey Keating <geoffk@apple.com>
9288 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
9289 Declare VECs of this type.
9290 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
9291 (remove_children): Delete.
9292 (add_dwarf_attr): Use VEC routines.
9293 (add_AT_flag): Update for changes to add_dwarf_attr.
9294 (add_AT_int): Likewise.
9295 (add_AT_unsigned): Likewise.
9296 (add_AT_long_long): Likewise.
9297 (add_AT_vec): Likewise.
9298 (add_AT_string): Likewise.
9299 (add_AT_die_ref): Likewise.
9300 (add_AT_fde_ref): Likewise.
9301 (add_AT_loc): Likewise.
9302 (add_AT_loc_list): Likewise.
9303 (add_AT_addr): Likewise.
9304 (add_AT_lbl_id): Likewise.
9305 (add_AT_lineptr): Likewise.
9306 (add_AT_macptr): Likewise.
9307 (add_AT_offset): Likewise.
9308 (add_AT_range_list): Likewise.
9309 (get_AT): Use VEC_iterate.
9310 (remove_AT): Use VEC_ordered_remove.
9311 (free_die): Fold remove_children into here; have it use VEC_iterate.
9312 (print_die): Use VEC_iterate on attrs.
9313 (reverse_die_lists): Don't reverse attr lists.
9314 (die_checksum): Use VEC_iterate on attrs.
9315 (same_die_p): Likewise.
9316 (output_location_lists): Likewise.
9317 (build_abbrev_table): Likewise.
9318 (size_of_die): Likewise.
9319 (unmark_all_dies): Likewise.
9320 (output_abbrev_section): Likewise.
9321 (output_die): Likewise.
9322 (prune_unused_types_walk_attribs): Likewise.
9324 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9326 * doc/install.texi (*-*-solaris2*): Point to the configure page.
9328 2006-04-10 Jakub Jelinek <jakub@redhat.com>
9331 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
9333 2006-04-09 Roger Sayle <roger@eyesopen.com>
9335 * expr.c (store_constructor): Don't bother clearing target if
9336 we're about to assign a vector to it using vec_init_optab.
9338 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
9340 * tree-ssa-alias.c (lhs_may_store_to): New function.
9341 (recalculate_used_alone): Handle LHS of calls.
9343 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9347 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
9348 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
9349 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
9350 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
9351 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
9352 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
9353 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
9354 stubs. Add ".align 8" directives before all ".dword" directives.
9355 (GTHREAD_USE_WEAK): Revise comment.
9356 (TARGET_ATTRIBUTE_WEAK): Define.
9357 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
9358 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
9359 * stublib.c: New file.
9364 * pa.md (cbranch patterns): Revise arguments used in calls to
9365 output_cbranch, output_bb and output_bvd. Add long branch length
9367 (fbranch patterns): Handle long branches.
9368 (jump): Revise length check. Revise arguments for output_lbranch call.
9369 Add long branch length attributes.
9370 (decrement_and_branch_until_zero): Add long branch length attributes.
9371 (output_movb, output_parallel_addb and output_parallel_movb patterns):
9372 Likewise. Revise arguments for output_parallel_addb and
9373 output_parallel_movb calls.
9374 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
9375 output_parallel_movb and output_parallel_addb): Update prototypes.
9376 * pa.c (output_cbranch): Revise arguments. Correct handling of
9377 nullification in long branches.
9378 (output_lbranch): Add new argument to control extraction of delay
9380 (output_bb): Handle long branches.
9381 (output_bvb, output_dbra, output_movb, output_parallel_movb,
9382 output_parallel_addb): Likewise.
9384 2006-04-09 Richard Sandiford <richard@codesourcery.com>
9386 PR rtl-optimization/27073
9387 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
9390 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
9392 * tree.h (tree_memory_tag): Add old_used_alone.
9393 (SMT_OLD_USED_ALONE): New macro.
9394 * tree-ssa-alias.c (recalculate_used_alone): Stop
9395 marking things for renaming unnecessarily.
9397 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
9399 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
9400 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
9401 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
9402 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
9403 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
9404 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
9405 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
9406 spelling convensions.
9407 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
9408 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
9409 typos. Follow spelling conventions.
9411 2006-04-07 DJ Delorie <dj@redhat.com>
9413 * config/m32c/m32c.c (m32c_function_arg): Structures are always
9414 passed on the stack.
9415 (m32c_init_cumulative_args): When a function returns a structure,
9416 always pass the pointer to that return area on the stack.
9417 (m32c_function_arg_advance): Don't increment the parameter number
9418 if we're processing the returned structure pointer.
9419 (pushm_info): Reverse order of registers.
9421 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
9423 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
9424 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9425 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
9426 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
9428 * tree-chrec.c (chrec_fold_multiply_poly_poly,
9429 chrec_fold_multiply): Same.
9430 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
9431 force_expr_to_var_cost): Same.
9432 * tree-mudflap.c (mf_xform_derefs_1): Same.
9433 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
9435 2006-04-07 David Edelsohn <edelsohn@gnu.org>
9437 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
9438 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
9441 2006-04-07 Jan Hubicka <jh@suse.cz>
9443 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
9445 2006-04-07 Richard Guenther <rguenther@suse.de>
9447 PR tree-optimization/26135
9448 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
9449 loads for store copy-prop.
9450 (copy_prop_visit_stmt): Likewise.
9452 2006-04-05 Robert Millan <robertmh@gnu.org>
9454 * config/i386/linux.h: Add a comment to mark macros that are
9455 being overriden in config/k*bsd-gnu.h.
9456 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
9458 * config/knetbsd-gnu.h: Ditto.
9460 2006-04-06 Jan Hubicka <jh@suse.cz>
9464 * coverage.c (coverage_checksum_string): Reorganize loop to not read
9467 2006-04-06 Mike Stump <mrs@apple.com>
9469 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
9470 for HAVE_nonlocal_goto to be consistent.
9471 (expand_builtin_nonlocal_goto): Likewise.
9472 (expand_builtin_strcmp): Use #ifdef instead of #if
9473 for HAVE_cmpstrnsi to be consistent.
9475 2006-04-05 DJ Delorie <dj@redhat.com>
9477 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
9480 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
9482 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
9483 got-relative addressing for anything but SImode.
9485 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
9486 even if the calling function doesn't modify them.
9488 2006-04-05 Richard Guenther <rguenther@suse.de>
9490 PR tree-optimization/26919
9491 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
9492 to cgraph_estimate_size_after_inlining.
9494 2006-04-05 Alan Modra <amodra@bigpond.net.au>
9496 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
9498 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
9500 PR tree-optimization/26996
9501 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
9502 VECTOR_TYPE variables.
9504 2006-04-05 Richard Guenther <rguenther@suse.de>
9506 PR tree-optimization/26763
9507 * fold-const.c (fold_comparison): Move folding of
9508 PTR + CST CMP PTR + CST ...
9509 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
9511 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
9513 * doc/install.texi (Prerequisites): Refine some wording on
9514 bootstrapping and ksh.
9515 Move the version numbers of DejaGnu here from the testing section
9516 and fix casing of names.
9517 Fix markup and clarify wording for autogen requirements.
9518 Refer to GCJ instead of just java.
9519 Refer to SVN instead of CVS.
9520 Describe diffutils as useful instead of necessary.
9521 (Downloading the source): Refer to SVN instead of CVS.
9522 Adjust a link to our web site accordingly.
9523 (Configuration): Fix casing of Bison.
9524 (Building): Refer to SVN instead of CVS.
9525 Fix a sentence on the use of Bison and remove duplicate (and
9526 incorrect) version number of Bison requirement.
9527 Remove one redundant list of packages needed for building.
9528 (Specific): Avoid reference to CVS.
9530 2006-04-04 Eric Christopher <echristo@apple.com>
9532 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
9533 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
9534 (rs6000_handle_struct_attribute): New.
9535 (rs6000_ms_bitfield_layout_p): Ditto.
9537 2006-04-04 Geoffrey Keating <geoffk@apple.com>
9539 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
9540 NULL for dso parameter to atexit_common.
9542 2006-04-04 Eric Christopher <echristo@apple.com>
9544 * config/i386/i386.c (machopic_output_stub): Output \t
9545 between instructions and operands.
9547 2006-04-04 David Edelsohn <edelsohn@gnu.org>
9549 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
9550 satisfies_constraint_[IL] to explicit tests on value.
9552 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
9554 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9555 set_nb_iterations_in_loop): Use build_int_cst instead of
9557 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
9558 build_int_cst instead of convert.
9560 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
9562 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
9563 new value 2 for incoming.
9564 * function.c (expand_function_start): Call struct_value_rtx
9566 * config/sparc/sparc.md: Comment updated_return.
9567 * config/sparc/sparc.opt: Add -mstd-struct-return option.
9568 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
9569 struct return if sparc_std_struct_return and incoming is 2.
9570 (print_operand): Do not adjust return if
9571 sparc_std_struct_return.
9573 2006-04-04 Roger Sayle <roger@eyesopen.com>
9575 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
9576 convert in the middle-end.
9577 * expr.c (store_expr, store_constructor, get_inner_reference,
9578 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
9580 * tree.c (build_range_type): Likewise.
9582 2006-04-04 Tom Tromey <tromey@redhat.com>
9584 * doc/install.texi (Prerequisites): Mention jar.
9586 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
9588 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
9591 2006-04-04 Matthias Klose <doko@debian.org>
9593 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
9597 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
9600 2006-04-03 Geoffrey Keating <geoffk@apple.com>
9602 * doc/extend.texi (Function Attributes): Rewrite visibility
9603 attribute documentation.
9604 * doc/invoke.texi (C++ Dialect Options): Rewrite
9605 -fvisibility-inlines-hidden documentation to describe something
9606 entirely different, although in practise compatible.
9607 (Code Gen Options): Warn about system headers in -fvisibility=
9610 * doc/extend.texi (Other Builtins): Document that
9611 __builtin_nan is a compile-time constant only when its argument
9614 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
9616 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
9617 trying to remove TRUNCATE check if all bits outside the new mode
9618 are identical to the sign bit.
9620 2006-04-03 Jeff Law <law@redhat.com>
9622 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
9623 and operand scanning in some common cases.
9625 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9626 Dale Johannesen <dalej@apple.com>
9629 * regclass.c (struct reg_pref): Update documentation.
9630 (regclass): Set prefclass to NO_REGS if memory is the best option.
9631 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9632 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
9633 into account. For non-registers, equate an empty preferred
9634 reload class to a `!' in the constraint; move the if clause to
9635 do so after those that reject the insn.
9636 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
9638 (find_dummy_reload): Likewise.
9639 * doc/tm.texi (Register Classes): Document what it means
9640 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
9641 * config/i386/i386.c (ix86_preferred_reload_class): Force
9642 using SSE registers (and return NO_REGS for floating-point
9643 constants) if math is done with SSE.
9644 (ix86_preferred_output_reload_class): New.
9645 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
9646 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
9647 * config/i386/i386.md: Remove # register preferences.
9649 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9652 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9653 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
9654 the type of nb_iter.
9655 (instantiate_parameters_1): Convert the operands before calling
9656 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
9657 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
9659 2006-04-02 Roger Sayle <roger@eyesopen.com>
9661 * builtins.c (dummy_object): Use build_int_cst instead of convert.
9662 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
9664 * dojump.c (do_jump): Likewise.
9665 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
9666 * gimplify.c (gimple_boolify, gimplify_init_constructor,
9667 gimplify_boolean_expr): Likewise.
9668 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
9669 * varasm.c (array_size_for_constructor): Likewise.
9670 * tree-object-size.c (compute_object_offset): Likewise.
9672 2006-04-02 Roger Sayle <roger@eyesopen.com>
9675 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
9676 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
9678 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9680 PR tree-optimization/26939
9681 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
9683 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9685 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
9686 at_stmt. Convert the type of operands before calling
9687 build_polynomial_chrec.
9688 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
9690 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
9691 (instantiate_parameters_1): Convert the type of operands before calling
9692 build_polynomial_chrec.
9693 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
9694 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
9695 reset_evolution_in_loop): Insert asserts to check the types of the
9697 (chrec_type): Moved...
9698 (eq_evolutions_p): Use operand_equal_p.
9699 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
9700 the types of the operands.
9701 (chrec_type): ...here.
9702 * tree-data-ref.c (create_data_ref): Convert the operands before
9703 calling chrec_replace_initial_condition.
9704 (same_access_functions, analyze_subscript_affine_affine,
9705 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
9706 (compute_subscript_distance, analyze_ziv_subscript,
9707 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
9708 analyze_miv_subscript): Convert the operands before calling
9709 chrec_fold_minus or chrec_fold_plus.
9711 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
9713 * tree-data-ref.c (compute_all_dependences): Use a pointer to
9714 the dependence_relations vector.
9715 (compute_data_dependences_for_loop): Adjust call to
9716 compute_all_dependences.
9718 2006-04-01 Roger Sayle <roger@eyesopen.com>
9719 Richard Henderson <rth@redhat.com>
9721 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
9722 gimple_boolify on the condition before calling gimplify_expr.
9724 2006-03-31 Bob Wilson <bob.wilson@acm.org>
9726 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
9727 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
9728 the frame size. Update to use the new macros.
9729 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
9730 * config/xtensa/ieee754-df.S: Likewise.
9732 2006-03-31 Richard Henderson <rth@redhat.com>
9734 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
9735 (make_edges): ... here. Control fallthru creation with a local
9736 variable. Do not play with fake edges.
9737 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
9738 (make_goto_expr_edges): Don't play with fake edges. Make for_call
9741 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
9743 * dwarf2.h (DW64_CIE_ID): Define.
9744 * dwarf2out.c (DWARF_CIE_ID): Define.
9745 (output_call_frame_info): Output 0xffffffff before standard 8-byte
9746 length header. Use DWARF_CIE_ID.
9747 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
9748 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
9750 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
9752 * config/sh/linux-atomic.asm: New file.
9753 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
9755 2006-03-31 DJ Delorie <dj@redhat.com>
9757 * config/m32c/cond.md: Set condition flags properly throughout.
9758 * config/m32c/minmax.md: Likewise.
9759 * config/m32c/prologue.md: Likewise.
9760 * config/m32c/bitops.md: Likewise.
9761 * config/m32c/muldiv.md: Likewise.
9762 * config/m32c/mov.md: Likewise.
9763 * config/m32c/addsub.md: Likewise.
9764 * config/m32c/m32c.md: Likewise.
9765 * config/m32c/jump.md: Likewise.
9766 * config/m32c/shift.md: Likewise.
9768 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
9769 conditionally output the pattern for this.
9770 * config/m32c/m32c.c (flags_needed_for_conditional): New.
9771 (m32c_compare_redundant): New.
9772 (m32c_output_compare): New.
9773 * config/m32c/m32c-protos.h (m32c_output_compare): New.
9775 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
9776 dest, not src. Allow other 4-byte modes.
9778 2006-03-30 Denis Chertykov <denisc@overta.ru>
9780 * doc/md.texi: Refer to avr/constraints.md instead of
9783 2006-03-30 Roger Sayle <roger@eyesopen.com>
9785 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
9786 signed vs. unsigned comparison failures on some hosts.
9788 2006-03-31 Alan Modra <amodra@bigpond.net.au>
9791 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
9792 change to FLOAT_REGS.
9794 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
9795 (rs6000_override_options): Use it.
9796 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
9797 only for -mabi=spe/no-spe and -mabi=altivec.
9799 2006-03-30 Geoffrey Keating <geoffk@apple.com>
9801 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
9804 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
9806 * Makefile.in: Rename docdir to gcc_docdir.
9808 2006-03-30 Roger Sayle <roger@eyesopen.com>
9811 * expr.c (emit_group_store): Optimize group stores into a pseudo
9812 register by using a paradoxical subreg to initialize the destination
9813 if the first or last member of the group specifies a "low part".
9815 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9818 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
9819 * target.h (struct gcc_target.speculate_insn): Change type of the
9820 second parameter to 'int'.
9821 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
9822 the second operand of the DEPS_LIST.
9823 (copy_DEPS_LIST_list): Update reference to the second operand of the
9825 * rtl.h (alloc_DEPS_LIST): Update signature.
9826 * sched-int.h (ds_t): Change typedef to 'int'.
9827 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9829 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9831 * haifa-sched.c (try_ready): Change condition to restore
9832 non-speculative pattern of the instruction.
9833 (process_insn_depend_be_in_spec): Code to keep probability of the
9834 speculative dependence non-decreasing.
9836 2006-03-30 Jie Zhang <jie.zhang@analog.com>
9838 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
9839 (single_move_for_movmem): ... this. Also change all uses.
9840 (bfin_expand_strmov): Renamed to...
9841 (bfin_expand_movmem): ... this. Also change all uses.
9842 * config/bfin/bfin.md (movstrsi): Renamed to...
9843 (movstrsi): ...this.
9845 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
9847 PR tree-optimization/26830
9849 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
9850 (copy_prop_visit_stmt): Remove write-only variable ann.
9851 (init_copy_prop): Check variable loop depth here. Do not simulate
9852 memory-tag and virtual operand PHIs except for store copy prop.
9854 2006-03-30 Richard Guenther <rguenther@suse.de>
9856 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
9857 variants with double arguments.
9859 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9861 * genpreds.c (write_tm_constrs_h): Delete variable p.
9862 * genconditions.c (write_header): Add tm-constrs.h to included
9864 * genpeep.c (main): Add toplev.h to included headers.
9865 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
9866 (build/genpeep.o): Add toplev.h dependency.
9867 * config/rs6000/constraints.md: Add "W" constraint.
9869 2006-03-29 Roger Sayle <roger@eyesopen.com>
9871 * stor-layout.c (mode_for_size_tree): Remove restiction on type
9872 sizes by correctly testing whether the size fits a host integer.
9873 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
9874 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
9875 SImode range for the default sizetype and bitsizetype.
9877 2006-03-29 Roger Sayle <roger@eyesopen.com>
9879 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
9880 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
9881 quickly if the argument is already of the correct type.
9882 Call fold_build1 instead of build1. Tidy up blank lines.
9884 2006-03-29 David Edelsohn <edelsohn@gnu.org>
9886 * genemit.c (main): Add tm-constrs.h to included headers.
9887 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
9888 * genpeep.c (main): Add tm-constrs.h to included headers.
9889 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
9890 (write_tm_constrs_h): this and write complete file.
9891 (write_tm_preds_h): Do not emit satisfies_constraint fns.
9892 (write_insn_preds_c): Add tm-constrs.h to included headers.
9893 (gen_constrs): New variable.
9894 (parse_option): Parse "-c".
9895 (main): Invoke write_tm_constrs_h.
9896 * genrecog.c (write_header): Add tm-constrs.h to included headers.
9897 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
9898 (object_out_file): Add tm-constrs.h dependency.
9899 (insn-emit.o): Same.
9900 (insn-output.o): Same.
9901 (insn-peep.o): Same.
9902 (insn-preds.o): Same.
9903 (insn-recog.o): Same.
9904 (tm-constsr.h): New target.
9905 (s-constrs-h): New target.
9907 * config/rs6000/constraints.md: New file.
9908 * config/rs6000/rs6000.c: Include tm-constrs.h.
9909 (num_insn_constant_wide): Convert to satisfies_constraint.
9910 (rs6000_rtx_costs): Convert to satisfies_constraint.
9911 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
9912 (CONST_OK_FOR_LETTER_P): Delete.
9913 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9914 (EXTRA_CONSTRAINT): Delete.
9915 (EXTRA_MEMORY_CONSTRAINT): Delete.
9916 (EXTRA_ADDRESS_CONSTRAINT): Delete.
9917 * config/rs6000/predicates.md: Convert to satisfies_constraint.
9918 * config/rs6000/rs6000.md: Include constraints.md. Convert to
9919 satisfies_constraint.
9921 * config/i386/i386.c: Include tm-constrs.h.
9923 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9925 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
9926 * tree-data-ref.c (find_data_references_in_loop,
9927 compute_data_dependences_for_loop): Use pointers to VEC.
9928 (analyze_all_data_dependences): Adjust calls.
9929 * tree-data-ref.h (find_data_references_in_loop,
9930 compute_data_dependences_for_loop): Adjust declarations.
9931 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
9932 compute_data_dependences_for_loop.
9934 2006-03-29 Paul Brook <paul@codesourcery.com>
9936 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
9939 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
9941 PR tree-optimization/26859
9942 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
9944 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
9945 for the step after fold_convert.
9947 2006-03-29 Paul Brook <paul@codesourcery.com>
9949 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
9950 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
9952 2006-03-29 Paul Brook <paul@codesourcery.com>
9955 * targhooks.c (default_narrow_bitfield): New fuction.
9956 * targhooks.h (default_narrow_bitfield): add prototype.
9957 * target.h (gcc_target): Add narrow_volatile_bitfield.
9958 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9959 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
9960 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
9961 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
9963 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9965 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
9967 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
9968 (NR_C_MODES): Add TDmode, DDmode and SDmode.
9969 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
9970 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
9971 (s390_function_arg_float): Allow SDmode and DDmode values to be
9972 passed in floating point registers.
9973 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
9974 check with SCALAR_FLOAT_MODE_P.
9975 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
9977 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9979 PR tree-optimization/25985
9980 * tree-ssa-loop-niter.c (number_of_iterations_le,
9981 number_of_iterations_ne): Make comments more precise.
9982 (number_of_iterations_cond): Add only_exit argument. Use the
9983 fact that signed variables do not overflow only when only_exit
9985 (loop_only_exit_p): New.
9986 (number_of_iterations_exit): Pass result of loop_only_exit_p to
9987 number_of_iterations_cond.
9989 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
9991 PR tree-optimization/26643
9992 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
9995 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9997 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
9998 (divsi3_i4_int): Likewise.
10000 2006-03-28 Roger Sayle <roger@eyesopen.com>
10002 * expr.c (emit_group_store): Only create a new pseudo reg if the
10003 quantity it needs to hold isn't already a suitable pseudo.
10005 2006-03-28 Jeff Law <law@redhat.com>
10007 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
10008 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
10010 2006-03-28 Roger Sayle <roger@eyesopen.com>
10012 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
10013 the equivalent ~X & Y, and the symmetry related transformations.
10014 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
10015 ~X & Y, and symmetry related transforms.
10017 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10019 Revert my 2006-03-27 patches.
10021 2006-03-28 Roger Sayle <roger@eyesopen.com>
10023 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
10024 ~(T1)X, when T1 and T2 are integer types of the same precision
10025 and (T2)X isn't an extension.
10027 2006-03-28 Jeff Law <law@redhat.com>
10029 PR tree-optimization/26796
10030 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
10031 need EH edge cleanups rather than purging them immediately.
10032 (eliminate_degenerate_phis): Handle queued EH cleanups.
10034 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
10036 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
10039 2006-03-27 Roger Sayle <roger@eyesopen.com>
10041 PR middle-end/22524
10042 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
10043 cast BIT_NOT_EXPR operand to the correct type.
10045 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
10047 * tree-loop-linear.c: Don't include varray.h.
10048 (gather_interchange_stats, try_interchange_loops,
10049 linear_transform_loops): Use VEC instead of VARRAY.
10050 * lambda-mat.c: Don't include varray.h.
10051 * tree-chrec.c: Same.
10052 * lambda-trans.c: Same.
10053 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
10054 VEC instead of VARRAY.
10055 * tree-vectorizer.h: Idem.
10056 * tree-data-ref.c (dump_data_references,
10057 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
10058 initialize_data_dependence_relation, finalize_ddr_dependent,
10059 compute_all_dependences, find_data_references_in_loop,
10060 compute_data_dependences_for_loop, analyze_all_data_dependences,
10061 free_dependence_relation, free_dependence_relations,
10062 free_data_refs): Idem.
10063 * tree-data-ref.h (data_reference_p, subscript_p): New.
10064 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
10065 VEC instead of VARRAY.
10066 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
10067 (find_data_references_in_loop, compute_data_dependences_for_loop,
10068 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
10069 dump_data_dependence_relations, free_dependence_relations,
10070 free_data_refs): Adjust declaration.
10071 (lambda_transform_legal_p): Move declaration here...
10072 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
10073 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
10074 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
10075 vect_analyze_data_refs): Use VEC instead of VARRAY.
10076 * lambda.h (lambda_transform_legal_p): ...from here.
10077 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
10078 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
10079 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
10080 tree-chrec.o): Don't depend on VARRAY_H.
10082 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10084 * rtl.def (Copyright): Update date.
10085 (DEPS_LIST): Change type of the second operand to 'int'.
10086 * target.h (Copyright): Update date.
10087 (struct gcc_target.speculate_insn): Change type of the second parameter
10089 * lists.c (Copyright): Update date.
10090 (alloc_DEPS_LIST): Change signature. Update reference to the second
10091 operand of the DEPS_LIST.
10092 (copy_DEPS_LIST_list): Update reference to the second operand of the
10094 * rtl.h (Copyright): Update date.
10095 (alloc_DEPS_LIST): Update signature.
10096 * sched-int.h (Copyright): Update date.
10097 (ds_t): Change typedef to 'int'.
10098 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10100 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10102 * haifa-sched.c (Copyright): Update date.
10103 (try_ready): Change condition to restore non-speculative pattern
10104 of the instruction.
10105 (process_insn_depend_be_in_spec): Code to keep probability of the
10106 speculative dependence non-decreasing.
10108 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
10110 * regrename.c (replace_oldest_value_addr): Initialize a variable to
10111 shut up the compiler.
10113 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
10115 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
10116 to use lib prefix for target.
10117 ($(T)libic_invalidate_array_4-200.a): Likewise.
10118 ($(T)libic_invalidate_array_4a.a): Likewise.
10120 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
10121 J"orn Rennecke <joern.rennecke@st.com>
10123 * superh.opt: New file.
10124 * sh.c (boardtype, osruntime): Remove.
10125 * superh.h (SUBTARGET_OPTIONS): Remove.
10126 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
10128 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
10129 arguments with ^ and/or [].
10131 * config.gcc (sh-*-*): Add quoting to account for quirk of
10133 Replace == with = in enable_incomplete_targets test.
10135 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
10136 with MASK_LITTLE_ENDIAN.
10138 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
10139 * config/sh/sh.opt: Added to some comments.
10140 * config/sh/superh.h: Removed some chaff.
10142 * config/sh/sh.opt: Add m4-[1234]00* options.
10143 * config/sh/sh.c (sh_handle_option): Likewise.
10144 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
10145 (ic_invalidate_array_4-100.o): New rule.
10146 ($(T)libic_invalidate_array_4-100.a): Likewise.
10147 (ic_invalidate_array_4-200.o): Likewise.
10148 ($(T)libic_invalidate_array_4-200.a): Likewise.
10149 (ic_invalidate_array_4a.o): Likewise.
10150 ($(T)libic_invalidate_array_4a.a): Likewise.
10151 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
10152 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
10154 * config/sh/crt1.asm: Merged in profiling code.
10155 * config/sh/superh.h (STARTFILE_SPEC): Override.
10156 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
10157 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
10158 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
10160 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
10161 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
10162 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
10164 * sh.opt (mpretend-cmove): New option.
10165 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
10166 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
10167 (movsicc): Add TARGET_PRETEND_CMOVE code.
10169 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
10171 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
10172 s390_class_max_nregs): New function prototypes.
10173 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
10174 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
10175 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
10176 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
10178 2006-03-26 Geoffrey Keating <geoffk@apple.com>
10180 * dwarf2out.c (add_location_or_const_value_attribute): Call
10181 tree_add_const_value_attribute if nothing else works.
10182 (reference_to_unused): New.
10183 (rtl_for_decl_init): Use reference_to_unused to decide whether
10184 to output an initializer.
10186 2006-03-27 Alan Modra <amodra@bigpond.net.au>
10189 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
10190 peephole removing spe frob_di_df_2.
10192 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
10194 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
10195 (subscript_dependence_tester_1): Declared.
10196 (print_dir_vectors, print_dist_vectors): New.
10197 (debug_data_dependence_relation): New.
10198 (dump_data_dependence_relation): Print more details.
10199 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
10200 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
10201 (save_dist_v, save_dir_v, add_outer_distances,
10202 build_classic_dist_vector_1): New.
10203 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
10204 Don't test for lambda_vector_lexico_pos.
10205 (same_access_functions, add_multivariate_self_dist,
10206 add_other_self_distances, dir_from_dist): New.
10207 (build_classic_dir_vector): Replace implementation almost identical to
10208 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
10210 (subscript_dependence_tester_1): New.
10211 (subscript_dependence_tester): Handle the lexicographically negative
10212 distance vectors by recomputing the dependence relation.
10213 (compute_affine_dependence): Remove parameter loop_nest_depth.
10214 (compute_self_dependence): Don't call compute_subscript_distance.
10215 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
10216 Add a parameter for the loop_nest.
10217 (find_loop_nest_1, find_loop_nest): New.
10218 (compute_data_dependences_for_loop): Compute the loop nest, and give
10219 up if the nest is not well formed.
10220 * tree-data-ref.h (loop_p): New.
10221 (struct data_dependence_relation): Replace size_vect field with
10222 loop_nest, a vec of loops.
10223 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
10224 (DDR_LOOP_NEST): New.
10225 (print_dir_vectors, print_dist_vectors,
10226 debug_data_dependence_relation): Declared.
10227 (index_in_loop_nest): New.
10228 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
10229 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
10232 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
10234 * simplify-rtx.c (simplify_relational_operation): Call
10235 simplify_relational_operation_1 even if mode is VOIDmode.
10237 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
10239 PR tree-optimization/26804
10240 * tree.h (DECL_CALL_CLOBBERED): New macro.
10241 (tree_decl_common): Add call_clobbered_flag.
10242 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
10243 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
10244 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
10245 (mark_non_addressable): Ditto.
10246 * tree-ssa.c (verify_call_clobbered): New function.
10247 (verify_alias_info): Use it.
10248 * tree-pass.h (pass_reset_cc_flags): New prototype.
10249 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
10250 (reset_cc_flags): New function.
10251 * passes.c (init_optimization_passes): Call reset_cc_flags after
10252 initializing referenced_vars.
10254 2006-03-25 Uros Bizjak <uros@kss-loka.si>
10255 Roger Sayle <roger@eyesopen.com>
10257 PR middle-end/26717
10258 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
10259 to 1.0 for non-real operands. Implement A / A optimization for
10262 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
10264 * config/i386/i386.c (size_cost): Correct the comment for
10265 cost of storing fp registers.
10266 (i386_cost): Likewise.
10267 (i486_cost): Likewise.
10268 (pentium_cost): Likewise.
10269 (pentiumpro_cost): Likewise.
10270 (k6_cost): Likewise.
10271 (athlon_cost): Likewise.
10272 (k8_cost): Likewise.
10273 (pentium4_cost): Likewise.
10274 (nocona_cost): Likewise.
10275 (generic64_cost): Likewise.
10276 (generic32_cost): Likewise.
10278 2006-03-24 Denis Chertykov <denisc@overta.ru>
10280 * config/avr/avr-protos.h (extra_constraint): Delete.
10281 (extra_constraint_Q): New declaration.
10282 * config/avr/constraints.md: New file.
10283 * config/avr/avr.md: Include it.
10284 (REG_X, REG_Y, REG_Z, REG_W): New constants.
10285 (TMP_REGNO, ZERO_REGNO): Likewise.
10286 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
10287 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
10288 (extra_constraint): Delete.
10289 (extra_constraint_Q): Test for memory constraint 'Q'.
10290 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
10291 (REG_CLASS_FROM_LETTER): Delete.
10292 (CONST_OK_FOR_LETTER_P): Delete.
10293 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10294 (EXTRA_CONSTRAINT): Delete.
10295 (TMP_REGNO): Delete.
10296 (ZERO_REGNO): Delete.
10298 2006-03-24 Jeff Law <law@redhat.com>
10300 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
10301 directly. Call mark_new_vars_to_rename slightly earlier.
10303 2006-03-24 Geoffrey Keating <geoffk@apple.com>
10305 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
10306 (is_cxx): Likewise.
10307 (gen_compile_unit_die): Use new language types for Objective-C and
10309 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
10310 DW_LANG_C_plus_plus.
10313 * config/t-darwin (crt3.o): Work around bug 26840.
10314 * config/darwin-crt3.c: Rewrite.
10315 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
10317 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
10319 * doc/invoke.texi: Document -femit-class-debug-always
10320 * common.opt: Add -femit-class-debug-always.
10322 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
10324 * config/s390/s390.c (s390_decompose_address): Allow SImode for
10325 index and base register.
10326 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
10327 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
10328 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
10329 REGNO_OK_FOR_INDEX_P.
10330 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
10332 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
10333 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
10334 REG_OK_FOR_BASE_P): Definitions removed.
10336 2006-03-24 Jakub Jelinek <jakub@redhat.com>
10338 PR middle-end/26611
10339 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
10340 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
10341 set yet or weren't marked as local yet.
10343 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
10345 * regrename.c (scan_rtx_address): Initialize a variable to shut up
10348 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
10350 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
10351 (rs6000_legitimate_small_data_p): Delete.
10352 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
10353 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
10354 and make static. Add forward declaration. Update uses.
10355 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
10356 of offsettable_memref_p.
10357 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
10358 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
10360 2006-03-24 Jeff Law <law@redhat.com>
10362 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
10363 around bug in immediate-use iterator.
10365 2006-03-24 Alan Modra <amodra@bigpond.net.au>
10368 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
10369 or __LITTLE_ENDIAN__.
10371 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
10373 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
10374 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
10375 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
10376 * config/sh/sh.opt (mdiv=): Amend description.
10377 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
10378 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
10379 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
10380 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
10381 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
10382 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
10383 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
10384 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
10385 TARGET_DIVIDE_CALL_FP.
10387 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10389 * haifa-sched.c (choose_ready): Fix type of the local variable.
10390 Move local variables. Add comment.
10391 (check_reg_live): Change signature. Make callable from debugger.
10392 * sched-int.h (check_reg_live): Update signature.
10393 * sched-ebb.c (check_reg_live): Update parameters.
10394 * sched-rgn.c (check_reg_live): Ditto.
10395 (region_head_or_leaf_p): Check pointer before dereferencing.
10396 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
10397 before reload on optimization levels below 1.
10399 2006-03-23 Richard Henderson <rth@redhat.com>
10401 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
10405 * config/alpha/predicates.md (local_symbolic_operand): Reject
10408 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
10411 * tree-ssa-pre.c (create_value_expr_from): Don't reject
10412 expressions which have overflowed constants.
10414 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10416 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
10418 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
10420 * cfgloopmanip.c (create_loop_notes): Removed.
10421 * final.c (final_scan_insn): Do not handle loop notes.
10422 * jump.c (squeeze_notes): Ditto.
10423 * cfglayout.c (skip_insns_after_block,
10424 duplicate_insn_chain): Ditto.
10425 * cfgcleanup.c (rest_of_handle_jump2): Do not call
10427 * cfgloop.h (create_loop_notes): Declaration removed.
10429 2006-03-23 Richard Sandiford <richard@codesourcery.com>
10431 * varasm.c (output_constant_pool): Restore fnname and fndecl
10433 (assemble_start_function): Adjust call accordingly.
10434 (assemble_end_function): Likewise.
10436 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10439 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
10442 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
10444 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10447 * system.h (ICE_EXIT_CODE): New macro.
10448 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
10449 (diagnostic_action_after_output): Likewise.
10450 * gcc.c (fatal_ice): New function.
10451 (execute): Use it instead of fatal.
10452 (fancy_abort): Likewise.
10453 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
10455 2006-03-22 Jeff Law <law@redhat.com>
10457 * loop-unroll.c (analyze_iv_to_split_insn): Handle
10458 iv_analyze_result returning false.
10460 2006-03-22 Jie Zhang <jie.zhang@analog.com>
10462 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
10464 2006-03-22 Richard Henderson <rth@redhat.com>
10466 PR middle-end/26084
10467 * except.c (duplicate_eh_regions_0): New.
10468 (duplicate_eh_region_1): Duplicate the children of the node as
10469 well as the node itself. Link them up properly.
10470 (duplicate_eh_region_2): Merge into ...
10471 (duplicate_eh_regions): ... here. Take copy_region argument, and
10472 copy only a sub-tree if asked. Simplify copying and fixup.
10473 (eh_region_outer_p): New.
10474 * except.h (duplicate_eh_regions): Update decl.
10475 (eh_region_outer_p): Declare.
10476 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
10477 (lower_omp_master): Likewise.
10478 (lower_omp_ordered): Likewise.
10479 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
10480 (move_stmt_r): Use it to remap labels. Handle recursion vs
10481 remap_decls_p properly.
10482 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
10483 (find_outermost_region_in_block): New.
10484 (new_label_mapper): New.
10485 (move_sese_region_to_fn): Copy eh information to the new function
10487 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
10489 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
10492 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10494 * doc/md.texi (-mshared): Mention that -mshared code can be linked
10495 into shared libraries.
10497 2006-03-22 Richard Sandiford <richard@codesourcery.com>
10499 * doc/md.texi: Refer to i386/constraints.md instead of
10500 i386/predicates.md.
10501 * config/i386/constraints.md: New file, extracted from...
10502 * config/i386/predicates.md: ...here.
10503 * config/i386/i386.md: Include constraints.md.
10505 2006-03-21 Jason Merrill <jason@redhat.com>
10507 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
10509 PR middle-end/20297
10510 * expr.c (init_block_move_fn): Force default visibility.
10511 (init_block_clear_fn): Likewise.
10512 * builtins.c (expand_builtin_fork_or_exec): Likewise.
10513 * targhooks.c (default_external_stack_protect_fail): Likewise.
10515 2006-03-21 Richard Sandiford <richard@codesourcery.com>
10517 * config/mips/predicates.md (const_call_insn_operand): Allow direct
10518 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
10519 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
10520 Use TARGET_OLDABI instead of !TARGET_NEWABI.
10521 (loadgp): Use mips_current_loadgp_style.
10522 (loadgp_noshared): New pattern.
10523 (sibcall_internal): Use MIPS_CALL.
10524 (sibcall_value_internal): Likewise.
10525 (sibcall_value_multiple_internal): Likewise.
10526 (call_internal): Likewise.
10527 (call_value_internal): Likewise.
10528 (call_value_multiple_internal): Likewise.
10529 (call_split): Use MIPS_CALL and add an 'S' constraint.
10530 (call_value_split): Likewise.
10531 (call_value_multiple_split): Likewise.
10532 * config/mips/mips.opt (-mabicalls): Tweak docstring.
10533 (-mshared): New option.
10534 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
10535 (mips_current_loadgp_style): Declare.
10536 * config/mips/mips.c (mips_classify_symbol): Avoid using
10537 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
10538 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
10539 TARGET_ABSOLUTE_ABICALLS.
10540 (override_options): Adjust comments. Improve the warning that is
10541 issued when -mabicalls and -G are used together.
10542 (mips_file_start): Remove comment.
10543 (mips_current_loadgp_style): New function.
10544 (mips_gnu_local_gp): New variable.
10545 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
10547 (mips_output_function_prologue): Use mips_current_laodgp_style.
10548 (mips_expand_prologue): Call mips_emit_loadgp before emitting
10549 the cprestore instruction.
10550 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
10551 live for TARGET_ABSOLUTE_ABICALLS.
10552 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
10553 (ASM_SPEC): Pass down -mshared and -mno-shared.
10554 (MIPS_CALL): New macro.
10555 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
10557 * doc/invoke.texi (-mabicalls): Update documentation.
10558 (-mshared): Document.
10560 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10562 * config/ia64/unwind-hpux.c: New file.
10563 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
10565 2006-03-21 Steve Ellcey <sje@cup.hp.com>
10568 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
10570 2006-03-21 Jeff Law <law@redhat.com>
10572 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
10573 type conversions of a VR_VARYING source to a wider type.
10575 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10577 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
10578 tm_file on Solaris 10 and later.
10579 (sparc64-*-solaris2*): Likewise.
10580 (sparc-*-solaris2*): Likewise.
10581 * config/sol26.h: Rename to config/sol2-6.h.
10582 * config/sol2-10.h: New file.
10584 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
10587 * tree-ssa-pre.c (create_component_ref_by_pieces):
10590 2006-03-21 Jakub Jelinek <jakub@redhat.com>
10593 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
10594 return it immediately.
10596 2006-03-21 Michael Matz <matz@suse.de>
10598 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
10600 (remove_arc, add_arc): Update num_out_arcs member.
10601 (set_out_arc_insns_equiv_num): Returns nothing instead of number
10603 (cache_presence): New function.
10604 (compare_states_for_equiv): New function.
10605 (state_is_differed): Don't take number of outargs, adjust callers.
10606 Use new invariant for speeding up.
10607 (init_equiv_class): Create initial classes based on sorted
10609 (partition_equiv_class): Don't track out_arcs_num.
10610 (evaluate_equiv_classes): Call cache_presence on all states and
10613 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
10615 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
10616 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
10617 (bfin_valid_reg_p): Test for pseudos explicitly and use only
10618 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
10620 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
10621 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
10622 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
10623 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
10624 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
10626 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
10627 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
10628 (REGNO_REG_CLASS): ARGP is in PREGS.
10629 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
10631 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
10632 to deal with those addresses.
10633 * addresses.h: New file.
10634 * caller-save.c: Include "addresses.h".
10635 (init_caller_save): Use new base_reg_class function.
10636 * rtl-factoring.c: Include "addresses.h".
10637 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
10638 * recog.c: Include "addresses.h".
10639 (preprocess_constraints): Use new base_reg_class function.
10640 * regrename.c: Include "addresses.h".
10641 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
10642 functions. Keep track of a new var INDEX_CODE to compute valid
10644 (replace_oldest_value_addr): Likewise.
10645 (replace_oldest_value_mem): Use base_reg_class.
10646 * reload.c: Include "addresses.h".
10647 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
10648 (find_reloads): Use new base_reg_class function.
10649 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
10650 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
10651 all callers and prototype changed.
10652 * reload1.c: Include "addresses.h".
10653 (maybe_fix_stack_asms): Use base_reg_class.
10654 * regclass.c: Include "addresses.h".
10655 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
10656 (init_reg_autoinc): Use new base_reg_class function.
10657 (record_reg_classes): Likewise.
10658 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
10659 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
10660 Use new args to compute necessary class.
10662 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
10663 regrename.o, rtl-factoring.o): Update dependencies.
10664 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
10665 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
10666 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
10667 REG_OK_FOR_INDEX_P): Delete documentation.
10669 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
10671 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
10672 from V7 to V9 for Solaris 7 and above.
10674 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
10676 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
10677 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
10678 argument pointers may not alias any other storage.
10679 * common.opt: Define option -fargument-noalias-anything.
10680 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
10681 alias semantics is specified by flag_argument_noalias > 2.
10683 2006-03-20 Jeff Law <law@redhat.com>
10685 * tree-pass.h (pass_phi_only_copy_prop): Delete.
10686 (pass_phi_only_cprop): Declare.
10687 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
10688 with phi_only_cprop
10689 * tree-ssa-dom.c (degenerate_phi_result): New function.
10690 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
10691 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
10692 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
10693 (eliminate_degenerate_phis): Likewise.
10694 (pass_phi_only_cprop): New pass descriptor.
10695 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
10696 support code. Callers updated.
10697 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
10698 (store_copy_prop): Likewise.
10699 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
10701 2006-03-20 Jason Merrill <jason@redhat.com>
10704 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
10705 (push_visibility, pop_visibility): Likewise.
10706 * c-pragma.h: Declare them.
10708 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
10710 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
10712 * config/sh/sh.c (find_regmode_weight): Change the type of the first
10713 parameter and use get_ebb_head_tail.
10714 (sh_md_init_global): Adjust uses of find_regmode_weight.
10716 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
10718 * function.h (struct function) <x_tail_recursion_reentry>:
10719 Rename to x_stack_check_probe_note.
10720 (tail_recursion_reentry): Rename to stack_check_probe_note.
10721 * function.c: Replace tail_recursion_reentry with
10722 stack_check_probe_note everywhere.
10723 (expand_function_start): Only emit a note for
10724 stack_check_probe_note with -fstack-protect.
10725 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
10727 * emit-rtl.c (remove_unnecessary_notes): Remove.
10728 (pass_remove_unnecessary_notes): Remove.
10729 * rtl.h (remove_unnecessary_notes): Remove prototype.
10730 * final.c (final_start_function): Don't call remove_unnecessary_notes.
10731 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
10732 * passes.c (pass_remove_unnecessary_notes): Don't run it.
10734 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
10737 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
10738 (valid_in_set): Handle ARRAY_REF.
10739 Change "if min_variant or VH" to asserts.
10740 (create_component_ref_by_pieces): Handle ARRAY_REF.
10741 (create_expression_by_pieces): Likewise.
10742 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
10744 2006-03-20 David Edelsohn <edelsohn@gnu.org>
10746 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
10747 is operand of switch, not str[0].
10749 2006-03-20 Alan Modra <amodra@bigpond.net.au>
10751 * config/rs6000/rs6000.c (rs6000_handle_option): Use
10752 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
10754 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10756 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
10757 end of insn_extra_address_constraint declaration.
10759 2006-03-19 David Edelsohn <edelsohn@gnu.org>
10761 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
10762 (no-sum-in-toc): Same.
10763 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
10765 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
10766 NO_FP_IN_TOC for -fPIC instead of mask.
10768 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
10769 (BOOT_LDFLAGS): Delete.
10771 * config/rs6000/t-aix52: Same.
10773 * config/rs6000/rs6000.md (store_multiple_power): Delete.
10774 (stmsi[345678]_power): New.
10776 2006-03-17 Steve Ellcey <sje@cup.hp.com>
10778 * config/ia64/ia64.opt: Add empty line to end of file.
10780 2006-03-17 Richard Guenther <rguenther@suse.de>
10782 PR middle-end/26721
10783 * builtins.c (get_pointer_alignment): For component style references
10784 adjust alignment to the component type alignment. Make sure
10785 to adjust alignment for component access of constants.
10787 2006-03-17 David Edelsohn <edelsohn@gnu.org>
10789 * config/rs6000/rs6000.md (strlensi): Emit barrier after
10790 unconditional jump.
10792 2006-03-17 Paul Brook <paul@codesourcery.com>
10794 * doc/install.texi: Docuemnt --with-mode.
10795 * config.gcc: Add --with-mode for arm*-*-*.
10796 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
10798 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
10800 * sh.c (max_labelno_before_reorg): New variable.
10801 (sh_reorg): Initialize it.
10802 (find_barrier): Check max_labelno_before_reorg before using
10803 label_to_alignment. Take length of explicit alignment insns
10804 into account. When seeing a UNSPECV_CONST_END, return it.
10806 * sh.c (fixup_mova): Set mode of affected label to QImode.
10807 (untangle_mova): New function.
10808 (find_barrier): Use it. Check mode of label before decrementing
10810 (sh_reorg): Likewise.
10811 Set mode of all insns back to VOIDmode.
10813 * sh.c (MOVA_LABELREF): New macro.
10814 (mova_p, fixup_mova, sh_reorg): Use it.
10815 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
10816 ADDR_DIFF_VEC matches mova.
10818 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
10820 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
10821 with ATTRIBUTE_UNUSED.
10823 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
10825 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
10826 pointer, instead of assuming it is possible to derive the
10827 correct args size from a call insn.
10829 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10831 * rtl.h (CONST_INT_P): Define.
10832 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
10833 instead of GET_CODE(x) == CONST_INT.
10834 (vax_rtx_costs): Likewise.
10835 (vax_output_int_move): Likewise.
10836 (vax_output_int_add): Likewise.
10837 (legitimate_constant_address_p): Likewise.
10838 (index_term_p): Likewise.
10839 * config/vax/vax.h (PRINT_OPERAND): Likewise.
10840 * config/vax/vax.md (and<mode>3): Likewise.
10841 (ashrsi3): Likewise.
10843 (movstricthi): Likewise.
10844 (movstrictqi): Likewise.
10845 (rotrsi3): Likewise.
10846 (five unnamed insns): Likewise.
10848 2006-03-16 Geoffrey Keating <geoffk@apple.com>
10850 * doc/tm.texi (SDB and DWARF): Add extra parameter to
10851 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
10852 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
10853 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
10854 Pass to ASM_OUTPUT_DWARF_OFFSET.
10855 * dwarf2out.c (debug_frame_section): New.
10856 (output_call_frame_info): Use debug_frame_section. Pass it to
10857 dw2_asm_output_offset.
10858 (output_die): Pass appropriate section to dw2_asm_output_offset.
10859 (output_compilation_unit_header): Likewise.
10860 (output_pubnames): Likewise.
10861 (output_aranges): Likewise.
10862 (enum dw_val_class): Break dw_val_class_lbl_offset into
10863 dw_val_class_lineptr and dw_val_class_macptr.
10864 (add_AT_lbl_offset): Delete.
10865 (add_AT_lineptr): New.
10866 (add_AT_macptr): New.
10867 (AT_lbl): Expect a lineptr or macptr.
10868 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
10869 (attr_checksum): Likewise.
10870 (same_dw_val_p): Likewise.
10871 (size_of_die): Likewise.
10872 (value_format): Likewise.
10873 (output_die): Likewise.
10874 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
10876 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10877 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
10878 * config/darwin-protos.h (darwin_file_start): New.
10879 (darwin_asm_output_dwarf_offset): New.
10880 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
10881 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
10883 * config/darwin.c (darwin_emit_unwind_label): Don't output label
10884 if not EH section; simplify.
10885 (darwin_file_start): New.
10886 (darwin_asm_output_dwarf_offset): New.
10887 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
10889 (DEBUG_INFO_SECTION): Likewise.
10890 (DEBUG_ABBREV_SECTION): Likewise.
10891 (DEBUG_ARANGES_SECTION): Likewise.
10892 (DEBUG_MACINFO_SECTION): Likewise.
10893 (DEBUG_LINE_SECTION): Likewise.
10894 (DEBUG_LOC_SECTION): Likewise.
10895 (DEBUG_PUBNAMES_SECTION): Likewise.
10896 (DEBUG_STR_SECTION): Likewise.
10897 (DEBUG_RANGES_SECTION): Likewise.
10898 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
10899 (ASM_OUTPUT_DWARF_OFFSET): New.
10901 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
10903 * config.gcc (tm_defines): Always add to previous value rather
10906 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10908 * config/mips/predicates.md (splittable_const_int_operand): New,
10909 split from move_operand.
10910 (splittable_symbolic_operand): New.
10911 (move_operand): Add commentary. Use splittable_const_int_operand.
10912 Inline mips_atomic_symbolic_constant_p.
10913 * config/mips/mips.md: Add combine splitters for handling moves
10914 of splittable_const_int_operands and splittable_symbolic_operands.
10915 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
10916 (mips_split_symbol): Declare.
10917 (mips_move_integer): Declare.
10918 * config/mips/mips.c (mips_split_p): Make global.
10919 (TARGET_MIN_ANCHOR_OFFSET): Override default.
10920 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10921 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10922 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
10923 (mips_offset_within_object_p): Handle block symbols.
10924 (mips_atomic_symbolic_constant_p): Delete.
10925 (mips_cannot_force_const_mem): Return false for constants that
10926 mips_legitimize_move can handle.
10927 (mips_use_blocks_for_constant_p): New function.
10928 (mips_split_symbol): Make global.
10929 (mips_move_integer): Likewise. Add a temporary register argument.
10930 (mips_legitimize_const_move): Use splittable_const_int_operand and
10931 splittable_symbolic_operand.
10932 (mips_use_anchors_for_symbol_p): New function.
10933 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
10934 (mips_split_p): Declare.
10936 2006-03-16 Richard Sandiford <richard@codesourcery.com>
10938 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
10939 (mips*-*-linux*): Likewise.
10941 2006-03-16 Roger Sayle <roger@eyesopen.com>
10942 Daniel Speyer <dspeyer@wam.umd.edu>
10944 PR middle-end/18259
10945 * tree-dump.c (dump_real): New function.
10946 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
10947 * Makefile.in (REAL_H): New macro for dependencies on real.h.
10948 (tree-dump.o): Add $(REAL_H) to the dependencies.
10950 2006-03-16 Roger Sayle <roger@eyesopen.com>
10952 PR middle-end/21781
10953 * real.c (real_from_string): If the mantissa is zero, don't bother
10954 parsing the exponent as the result should always be zero.
10956 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
10958 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
10960 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10962 * config/ia64/ia64.c (stops_p): Added explicit initialization.
10963 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
10964 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
10965 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
10966 ia64_sched_finish_global): New static functions to implement
10967 hooks from gcc_target.sched.
10968 (spec_check_no, max_uid, pending_data_specs): New static variables.
10969 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
10970 ia64_spec_check_src_p): New static functions.
10971 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
10972 (TARGET_SCHED_ADJUST_COST): Removed.
10973 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
10974 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
10975 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10976 TARGET_SCHED_GEN_CHECK,
10977 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10978 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
10979 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
10980 Fixed to handle speculation checks.
10981 (rtx_needs_barrier): Fixed to handle speculative loads and
10983 (ia64_variable_issue): Added code to count speculative loads and their
10985 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
10987 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
10989 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
10991 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
10992 (ia64_reorg): Reset stops_p to NULL after it is freed.
10993 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
10994 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
10995 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
10997 (data_speculative, control_speculative, check_load): New attributes.
10998 (mov<mode>_advanced, mov<mode>_speculative,
10999 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
11000 zero_extend<mode>di2_speculative,
11001 zero_extend<mode>di2_speculative_advanced): New patterns for
11002 data and control speculative loads.
11003 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
11005 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
11006 New pattern for data and control speculation checks.
11007 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
11008 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
11009 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
11010 Auxiliary definitions for the patterns.
11011 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
11012 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
11014 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
11016 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
11017 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
11018 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
11019 New resource constraints.
11020 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
11022 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
11023 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
11024 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11025 msched-in-control-spec, msched-ldc, msched-control-ldc,
11026 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11027 msched-prefer-non-control-spec-insns,
11028 msched-count-spec-in-critical-path): New flags to tune speculative
11030 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
11031 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
11032 msched-in-control-spec, msched-ldc, msched-control-ldc,
11033 msched-spec-verbose, msched-prefer-non-data-spec-insns,
11034 msched-prefer-non-control-spec-insns,
11035 msched-count-spec-in-critical-path): Document new flags.
11037 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11039 * target.h (struct spec_info_def): New opaque declaration.
11040 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
11041 speculate_insn, needs_block_p, gen_check,
11042 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
11043 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
11044 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
11045 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
11046 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11047 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
11049 (TARGET_SCHED): Use new macros.
11050 * rtl.h (copy_DEPS_LIST_list): New prototype.
11051 * sched-int.h (struct sched_info): Change signature of new_ready field,
11052 adjust all initializations. New fields: add_remove_insn,
11053 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
11054 region_head_or_leaf_p.
11055 (struct spec_info_def): New structure declaration.
11056 (spec_info_t): New typedef.
11057 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
11058 recovery_block, orig_pat.
11059 (glat_start, glat_end): New variables declaraions.
11060 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
11062 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
11063 DETACH_LIFE_INFO, USE_GLAT.
11064 (enum SPEC_SCHED_FLAGS): New enumeration.
11065 (NOTE_NOTE_BB_P): New macro.
11066 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
11067 attach_life_info, debug_spec_status, check_reg_live): New functions.
11068 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
11069 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
11071 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
11072 * ddg.c (get_block_head_tail): Adjust all uses.
11073 * modulo-sched.c (get_block_head_tail): Adjust all uses.
11074 (sms_sched_info): Initialize new fields.
11075 (contributes_to_priority): Removed.
11076 * haifa-sched.c (params.h): New include.
11077 (get_block_head_tail): Adjust all uses.
11078 (ISSUE_POINTS): New macro.
11079 (glat_start, glat_end): New global variables.
11080 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
11081 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
11082 old_last_basic_block, before_recovery, current_sched_info_var,
11083 rgn_n_insns, luid): New static variables.
11084 (insn_cost1): New function. Move logic from insn_cost to here.
11085 (find_insn_reg_weight1): New function. Move logic from
11086 find_insn_reg_weight to here.
11087 (reemit_notes, move_insn, max_issue): Change signature.
11088 (move_insn1): Removed.
11089 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
11090 extend_bb): New static functions to support extension of scheduler's
11092 (generate_recovery_code, process_insn_depend_be_in_spec,
11093 begin_speculative_block, add_to_speculative_block,
11094 init_before_recovery, create_recovery_block, create_check_block_twin,
11095 fix_recovery_deps): New static functions to support
11096 generation of recovery code.
11097 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
11098 restore_bb_notes, move_block_after_check, move_succs): New static
11099 functions to support ebb scheduling.
11100 (init_glat, init_glat1, attach_life_info1, free_glat): New static
11101 functions to support handling of register live information.
11102 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
11103 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
11104 add_jump_dependencies): New static functions.
11105 (check_cfg, has_edge_p, check_sched_flags): New static functions for
11106 consistancy checking.
11107 (debug_spec_status): New function to call from debugger.
11108 (priority): Added code to handle speculation checks.
11109 (rank_for_schedule): Added code to distinguish speculative instructions.
11110 (schedule_insn): Added code to handle speculation checks.
11111 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
11112 Fixed to handle ebbs.
11113 (move_insn): Added code to handle ebb scheduling.
11114 (max_issue): Added code to use ISSUE_POINTS of instructions.
11115 (choose_ready): Added code to choose between speculative and
11116 non-speculative instructions.
11117 (schedule_block): Added code to handle ebb scheduling and scheduling of
11118 speculative instructions.
11119 (sched_init): Initialize new variables.
11120 (sched_finish): Free new variables. Print statistics.
11121 (try_ready): Added code to handle speculative instructions.
11122 * lists.c (copy_DEPS_LIST_list): New function.
11123 * sched-deps.c (extend_dependency_caches): New function. Move logic
11124 from create_dependency_caches to here.
11125 (get_dep_weak, ds_merge): Make global.
11126 * genattr.c (main): Code to output prototype for
11127 dfa_clear_single_insn_cache.
11128 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
11129 (output_dfa_clean_insn_cache_func): Code to output
11130 dfa_clear_single_insn_cache function.
11131 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
11133 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
11135 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
11136 New static variables.
11137 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
11138 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
11140 (ebb_sched_info): Initialize new fields.
11141 (get_block_head_tail): Adjust all uses.
11142 (compute_jump_reg_dependencies): Fixed to use glat_start.
11143 (schedule_ebb): Code to remove unreachable last block.
11144 (schedule_ebbs): Added code to update register live information.
11145 * sched-rgn.c (region_sched_info): Initialize new fields.
11146 (get_block_head_tail): Adjust all uses.
11147 (last_was_jump): Removed. Adjust users.
11148 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
11149 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
11150 Implement new hooks.
11151 (check_dead_notes1): New static function.
11152 (struct region): New fields: dont_calc_deps, has_real_ebb.
11153 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
11154 (BB_TO_BLOCK): Fixed to handle EBBs.
11155 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
11156 (ebb_head): New static variable.
11157 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
11158 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
11160 (compute_dom_prob_ps): New assertion.
11161 (check_live_1, update_live_1): Fixed to work with glat_start instead of
11162 global_live_at_start.
11163 (init_ready_list): New assertions.
11164 (can_schedule_ready_p): Split update code to begin_schedule_ready.
11165 (new_ready): Add support for BEGIN_CONTROL speculation.
11166 (schedule_insns): Fixed code that updates register live information
11168 (schedule_region): Fixed to handle EBBs.
11169 (init_regions): Use extend_regions and check_dead_notes1.
11170 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
11171 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
11172 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
11173 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
11174 TARGET_SCHED_GEN_CHECK,
11175 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11176 TARGET_SCHED_SET_SCHED_FLAGS): Document.
11177 * doc/invoke.texi (max-sched-insn-conflict-delay,
11178 sched-spec-prob-cutoff): Document.
11180 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11182 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
11183 inter_tick, queue_index.
11184 (struct sched_info): Change signature of init_ready_list field.
11185 Adjust all initializations.
11186 (RESOLVED_DEPS): New access macro.
11187 (ready_add): Remove prototype.
11188 (try_ready): Add prototype.
11189 * sched-rgn.c (init_ready_list): Use try_ready.
11190 (schedule_region): Initialize
11191 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
11192 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
11193 (init_ready_list): Use try_ready.
11194 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
11195 * lists.c (remove_list_elem): Remove `static'.
11196 (remove_free_INSN_LIST_elem): New function.
11197 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
11198 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
11199 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
11201 (readyp): New variable.
11202 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
11203 change_queue_index, resolve_dep): New static functions.
11204 (try_ready): New function. Adjust callers in sched-rgn.c and
11205 sched-ebb.c to use it instead of ready_add.
11206 (clock_var): Move at the begining of file.
11207 (rank_for_schedule): Fix typo.
11208 (queue_insn): Add assertion. Handle QUEUE_INDEX.
11209 (ready_lastpos): Enforce assertion.
11210 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
11211 update all callers.
11212 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
11213 (schedule_insn): Rewrite to use try_ready and resolve_dep.
11214 (queue_to_ready): Use free_INSN_LIST_list.
11215 (early_queue_to_ready): Fix typo.
11216 (schedule_block): Init readyp. Move init_ready_list call after the
11217 initialization of clock_var. Fix error in rejecting insn by
11218 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
11219 that previously corrected INSN_TICKs. Add code for handling
11221 (set_priorities): Fix typo.
11222 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
11223 Clarify comment and code that keeps current_sched_info->next_tail
11226 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11228 * sched-rgn.c (extend_rgns): New static function.
11229 (find_rgns): Use it.
11230 (gather_region_statistics, print_region_statistics): New static
11232 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
11233 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11235 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11236 Andrey Belevantsev <abel@ispras.ru>
11238 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
11239 * lists.c (unused_deps_list): New variable.
11240 (free_list): Add assertions to verify the proper distinguishing
11241 between INSN_LISTs and DEPS_LISTs.
11242 (find_list_elem, remove_list_elem, remove_list_node): New static
11244 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
11245 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
11246 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
11247 (alloc_INSN_LIST): Assert that the list we're working on is indeed
11249 (free_INSN_LIST_node): Likewise.
11250 * modulo-sched.c (current_sched_info): Initialize flags field.
11251 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
11252 * rtl.def (DEPS_LIST): Define.
11253 * rtl.h: Declare new functions from lists.c.
11254 * sched-deps.c (spec_dependency_cache): New static variable.
11255 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
11256 (add_dependence): Change return type to void. Move the logic to ...
11257 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
11258 (delete_all_dependences): Add comment about forward_dependency_cache.
11259 Handle spec_dependency_cache. Handle DEPS_LISTs.
11260 (fixup_sched_groups): Clarify the change of priority of output
11261 and anti dependencies.
11262 (sched_analyze_2): Adjust add_dependence calls to create data
11263 speculative dependence.
11264 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
11265 Adjust all callers. Handle DEPS_LISTS.
11266 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
11267 presence of speculation.
11268 (init_dependency_caches, free_dependency_caches):
11269 Handle spec_dependency_cache.
11270 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
11271 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
11272 New static functions.
11273 (add_or_update_back_dep, add_or_update_back_forw_dep,
11274 add_back_forw_dep, delete_back_forw_dep): New functions.
11275 * sched-int.h (ds_t, dw_t): New typedefs.
11276 (struct sched_info): Add new field flags.
11277 (struct haifa_insn_data): Add new bitfield has_internal_dep.
11278 Prototype new sched-deps.c functions.
11279 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
11280 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
11281 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
11282 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
11283 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
11284 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
11286 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
11288 * sched-rgn.c (current_sched_info): Initialize flags field.
11289 (schedule_insns): Initialize current_sched_info before the sched_init
11291 * sched-ebb.c (current_sched_info): Initialize flags field.
11292 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
11293 Call add_or_update_back_dep instead of add_dependence.
11294 Create control speculative dependencies.
11295 (schedule_insns): Initialize current_sched_info before the sched_init
11298 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
11300 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
11302 (sh_fallback_frame_state): Likewise.
11304 2006-03-15 Geoffrey Keating <geoffk@apple.com>
11306 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
11307 Do switch on default_use_cxa_atexit.
11308 (powerpc*-*-darwin*): Build crt2.o on powerpc.
11309 * config/darwin-crt3.o: New.
11310 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
11311 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
11312 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
11314 * config/rs6000/t-darwin: Move crt2.o building to here.
11315 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
11316 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
11319 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11321 * config/vax/vax.c (nonindexed_address_p): Change logical negation
11322 from '! xxx' to '!xxx' for coding-style conformance.
11323 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
11324 (EXTRA_CONSTRAINT): Likewise.
11325 * config/vax/vax.md (four unnamed insns): Likewise.
11327 2006-03-15 Paul Brook <paul@codesourcery.com>
11329 * config/arm/arm.c (minipool_pad): New.
11330 (add_minipool_forward_ref): Include pool alignment padding in address
11332 (push_minipool_fix): Set minipool_pad.
11333 (minipool_pad): Ditto.
11335 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11337 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
11338 instead of GET_CODE() == MEM and REG_P() instead of
11340 (print_operand_address): Likewise.
11341 (vax_address_cost): Likewise.
11342 (vax_rtx_costs): Likewise.
11343 (vax_notice_update_cc): Likewise.
11344 (vax_output_int_add): Likewise.
11345 (INDEX_REGISTER_P): Likewise.
11346 (BASE_REGISTER_P): Likewise.
11347 (nonindexed_address_p): Likewise.
11348 (vax_mode_dependent_address_p): Likewise.
11349 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
11350 (PRINT_OPERAND): Likewise.
11351 * config/vax/vax.md (ashlsi3): Likewise.
11352 (ashlsi3): Likewise.
11353 (some more unnamed insns): Likewise.
11355 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
11357 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
11358 iterator-style macro.
11359 (mark_control_dependent_edges_necessary): Update the use of
11360 EXECUTE_IF_CONTROL_DEPENDENT.
11362 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
11364 * config/sh/predicates.md (cache_address_operand): Special.
11365 (ua_address_operand): Likewise.
11367 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
11369 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
11371 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
11373 2006-03-15 Andreas Schwab <schwab@suse.de>
11375 * gensupport.c (identify_predicable_attribute): Don't free p_false
11376 when it is still in use.
11378 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
11380 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
11381 the default setting here.
11383 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
11385 * tree-pass.h (pass_cfg): Remove.
11386 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
11387 * passes.c (pass_cfg): Don't run it.
11389 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
11391 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
11392 * reg-stack.c (stack_regs_mentioned_data): Change the type to
11394 (stack_regs_mentioned): Update the uses of
11395 stack_regs_mentioned_data. Don't access the array beyond its
11397 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
11398 Don't include gt-reg-stack.h.
11400 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
11401 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
11403 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
11405 PR middle-end/26684
11406 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
11409 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11411 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
11413 2006-03-14 Richard Guenther <rguenther@suse.de>
11415 PR tree-optimization/26672
11416 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
11419 2006-03-14 Richard Guenther <rguenther@suse.de>
11421 PR tree-optimization/26667
11422 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
11423 node for the callees. Always allow inlining if it will shrink
11426 2006-03-14 Richard Guenther <rguenther@suse.de>
11428 PR middle-end/26659
11429 * builtins.c (get_pointer_alignment): Prefer alignment
11430 information from decls over that from types.
11432 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
11435 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
11437 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
11439 * config/rs6000/rs6000.opt (mdlmzb): New option.
11440 (msched-prolog, msched-epilog): Use Var not Mask.
11441 * doc/invoke.texi (-mdlmzb): Document.
11442 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11444 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
11445 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
11447 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
11449 PR rtl-optimization/25739
11450 * bt-load.c (augment_live_range): Free tos pointer.
11452 * gensupport.c (identify_predicable_attribute): Free
11454 * gcov.c (create_file_names): Free name pointer.
11456 2006-03-13 Roger Sayle <roger@eyesopen.com>
11458 PR middle-end/26557
11459 * stmt.c (emit_case_nodes): Handle the case where the index is a
11460 CONST_INT, where the comparison mode is specified by the index type.
11462 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11464 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
11467 2006-03-13 Richard Sandiford <richard@codesourcery.com>
11469 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
11470 (*branch_fp_inverted): Likewise.
11472 2006-03-13 Jakub Jelinek <jakub@redhat.com>
11474 PR middle-end/25989
11475 * omp-low.c (expand_omp_for_generic): Mark istart0
11476 and iend0 as addressable.
11478 2006-03-13 Jie Zhang <jie.zhang@analog.com>
11480 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
11482 2006-03-13 Jeff Law <law@redhat.com>
11484 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
11485 virtual operands are interesting.
11486 (vrp_visit_stmt): Corresponding changes.
11488 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
11490 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
11492 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
11493 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
11494 * config/bfin/crti.S: Use it instead of __PIC__.
11495 * config/bfin/crtn.S: Likewise.
11497 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
11498 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
11500 Lose 'G' modifier for call operand.
11501 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
11502 recognize 'G' modifier.
11504 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
11506 PR middle-end/18859
11507 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
11508 * stmt.c (expand_case): Likewise.
11510 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11512 PR rtl-optimization/26254
11513 * loop-invariant.c (seq_insns_valid_p): New function.
11514 (move_invariant_reg): Only emit new code if it is valid.
11516 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11518 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
11520 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
11521 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
11522 (commit_one_edge_insertion): Do not look for loop notes.
11524 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11526 * jump.c (follow_jumps): Do not check for loop notes. Move check for
11527 flag_test_coverage out of loop.
11529 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11531 * final.c (shorten_branches): Remove outdated comment, and turn
11532 the if branch that guards it to continue.
11534 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11536 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
11537 * cfgloop.h (struct loop): Remove unused fields.
11539 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
11541 * doc/invoke.texi (-fdump-rtl-loop): Remove.
11542 (-dL, -fdump-rtl-loop2): Update the dump file names
11544 * doc/invoke.texi: Update dump file names.
11546 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
11548 * predict.c (estimate_probability): Remove.
11549 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
11550 * basic-block.h (estimate_probability): Remove prototype.
11551 * passes.c (finish_optimization_passes): Dump branch prediction or
11552 profiling heuristics to the .profile tree dump.
11553 (init_optimization_passes): Unqueue pass_branch_prob.
11555 * doc/invoke.texi (-fdump-rtl-bp): Remove.
11557 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11559 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
11560 * rtl.h (LABEL_NEXTREF): Remove field accessor.
11562 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
11564 * function.h (frame_offset_overflow): Declare.
11565 * function.c (frame_offset_overflow): New function.
11566 (assign_stack_local_1): Call it to detect that the offset overflows.
11567 * cfgexpand.c (alloc_stack_frame_space): Likewise.
11569 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
11571 * config/sh/sh.c: Include alloc-pool.h.
11572 (label_ref_list_pool): New alloc pool.
11573 (label_ref_list_t): New type for lists of labels.
11574 (struct pool_node): Make wend a label_ref_list_t.
11575 (add_constant): Use the new type, eradicate LABEL_NEXTREF
11577 (dump_table): Likewise.
11578 (sh_reorg): Set up the alloc pool before using add_constant and
11579 dump_table, and destroy it when finishing.
11581 2006-03-11 Richard Sandiford <richard@codesourcery.com>
11583 * config/mips/mips.c: Remove redundant comment.
11585 2006-03-10 Jason Merrill <jason@redhat.com>
11588 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
11589 the target was declared 'register'.
11591 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
11593 * genpreds.c (write_insn_constraint_len): Change definition of
11594 insn_constraint_len to return size_t to match the declaration.
11596 2006-03-10 DJ Delorie <dj@redhat.com>
11598 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
11600 (m32c_expand_insv): Fix test for an AND mask.
11602 2006-03-10 Richard Guenther <rguenther@suse.de>
11604 PR middle-end/26565
11605 * builtins.c (get_pointer_alignment): Handle component
11606 references for field alignment.
11608 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11610 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
11611 when building with libgloss.
11612 (sh*elf): Implement --without-fp option.
11613 (sh64-superh-linux*): Don't multilib.
11615 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
11617 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
11619 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
11621 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
11622 Set it when one of the replacement functions returned true.
11623 Return TODO_cleanup_cfg if cfgchanged is true.
11624 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
11626 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
11628 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
11629 instead of gen_lowpart.
11631 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11633 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
11635 (mips_output_order_conditional_branch): Declare.
11636 * config/mips/mips.h (MIPS_BRANCH): New macro.
11637 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
11638 for the comparison. Use gen_condjump.
11639 (mips_output_conditional_branch): Rework interface to take the
11640 asm templates for a direct branch and the inverse of a direct branch.
11641 (mips_output_order_conditional_branch): New function.
11642 (mips_builtin_branch_and_move): New function.
11643 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
11644 branch condition. Use gen_single_cc as the condition for
11645 __builtin_mips_upper_* or __builtin_mips_lower_*.
11646 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
11647 Use VOIDmode for the branch condition.
11648 * config/mips/predicates.md (order_operator): New predicate.
11649 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
11650 (branch_fp): Rename to...
11651 (*branch_fp): ...this. Remove mode from comparison operator.
11652 Use new mips_output_conditional_branch interface.
11653 (branch_fp_inverted): Rename to...
11654 (*branch_fp_inverted): ...this and update as for *branch_fp.
11655 (*branch_zero<mode>): Rename to...
11656 (*branch_order<mode>): ...this. Remove mode from comparison operator.
11657 Use mips_output_order_conditional_branch. Only accept ordered
11659 (*branch_zero<mode>_inverted): Rename to...
11660 (*branch_order<mode>_inverted): ...this and update as for
11661 *branch_order<mode>.
11662 (*branch_equality<mode>): Accept zero as the second operand to
11663 the equality operator. Use the new mips_output_conditional_branch
11665 (*branch_equality<mode>_inverted): Likewise.
11666 (condjump): New expander.
11667 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
11669 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
11670 (bc1any2t, bc1any2f): Likewise.
11671 (single_cc): New expander.
11672 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
11674 2006-03-09 Richard Sandiford <richard@codesourcery.com>
11676 * doc/md.texi: Update documentation of MIPS constraints.
11677 * config/mips/constraints.md: New file.
11678 * config/mips/mips.md: Include it.
11679 * config/mips/mips.c (mips_char_to_class): Delete.
11680 (override_options): Don't initialize mips_char_to_class.
11681 * config/mips/mips.h (mips_char_to_class): Delete.
11682 (REG_CLASS_FROM_LETTER): Delete.
11683 (CONST_OK_FOR_LETTER_P): Delete.
11684 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11685 (EXTRA_CONSTRAINT_Y): Delete.
11686 (EXTRA_CONSTRAINT_STR): Delete.
11687 (CONSTRAINT_LEN): Delete.
11688 (EXTRA_MEMORY_CONSTRAINT): Delete.
11690 2006-03-09 Diego Novillo <dnovillo@redhat.com>
11692 * tree-cfg.c (move_block_to_fn): Remove the statements from the
11693 original fn's eh regions.
11695 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
11697 * fold-const.c (build_range_check): Make sure to use a valid type to
11698 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
11701 (range_predecessor): New static function.
11702 (range_successor): Likewise.
11703 (merge_ranges): Use them to compute predecessors and successors of
11706 2006-03-09 Roger Sayle <roger@eyesopen.com>
11708 PR middle-end/26561
11709 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
11710 X op C3, consider whether C3 overflows towards +Inf or -Inf.
11712 2006-03-08 DJ Delorie <dj@redhat.com>
11714 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
11715 (addpsi3): Expand to include memory operands. Remove
11716 reload-specific splits.
11717 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
11718 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
11719 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
11720 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
11721 (shift1_qi, shift1_hi, insv): New.
11722 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
11723 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
11724 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
11726 * config/m32c/m32c-protos.h: Update as needed.
11727 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
11728 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
11729 Fail for unrecognized R* constraints.
11730 (m32c_cannot_change_mode_class): Be more picky about pseudos.
11731 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
11732 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
11734 (m32c_init_libfuncs): New.
11735 (m32c_legitimate_address_p): Add debug wrapper.
11736 (m32c_rtx_costs): New.
11737 (m32c_address_cost): New.
11738 (conversions): Add 'B' prefix.
11739 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
11740 operands, or word regnames for QI operands. 'B' prints bit
11742 (m32c_expand_setmemhi): New.
11743 (m32c_expand_movmemhi): New.
11744 (m32c_expand_movstr): New.
11745 (m32c_expand_cmpstr): New.
11746 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
11747 (m32c_expand_neg_mulpsi3): Handle non-ints.
11748 (m32c_cmp_flg_0): New.
11749 (m32c_expand_movcc): New.
11750 (m32c_expand_insv): New.
11751 (m32c_scc_pattern): New.
11752 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
11753 a0/a1 out of SIregs.
11754 (STORE_FLAG_VALUE): New.
11755 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
11758 * config/m32c/mov.md: Make constraints more liberal.
11759 (zero_extendqihi2): Optimize r0/r1 case.
11760 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
11761 * config/m32c/predicates.md (m32c_any_operand): New.
11762 (m32c_nonimmediate_operand): New.
11763 (m32c_hl_operand): New.
11764 (m32c_r3_operand): New.
11767 (memsym_operand): New.
11768 (memimmed_operand): New.
11769 (a_qi_operand): New.
11770 (m32c_eqne_operator): New.
11771 (m32c_1bit8_operand): New.
11772 (m32c_1bit16_operand): New.
11773 (m32c_1mask8_operand): New.
11774 (m32c_1mask16_operand): New.
11775 * config/m32c/blkmov.md: New file.
11776 * config/m32c/t-m32c (MD_FILES): Add blkmov.
11778 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
11780 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
11781 unsigned to fix signed/unsigned comparison issue in
11782 DWARF2_FRAME_REG_OUT.
11783 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
11784 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
11786 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
11787 of ptr into the ENABLE_CHECKING section.
11789 2006-03-08 Jeff Law <law@redhat.com>
11791 * tree-vrp.c (infer_value_range): Only count pointer uses
11792 and dereferences if -fdelete-null-pointer-checks is enabled.
11794 * tree-vrp.c (find_assert_locations): Infer value ranges for
11795 single use pointers, but do not create ASSERT_EXPRs for them.
11796 When a non-null range is inferred for a pointer, backwards
11797 propagate that range to other equivalent pointers through the
11800 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
11803 * Makefile.in (dvi, html, install-info): Invoke the corresponding
11804 language hook targets.
11805 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
11806 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
11807 if language hook targets were missing.
11809 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
11811 * tree-ssa-opfinalize.h: Removed.
11812 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
11814 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
11815 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
11816 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
11817 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
11818 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
11819 finalize_ssa_v_must_def_ops): New.
11821 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
11823 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
11824 block as parameter.
11826 2006-03-07 Geoffrey Keating <geoffk@apple.com>
11828 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
11830 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
11831 addresses with offsets; reorganize.
11833 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
11834 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
11835 (expand_builtin_init_dwarf_reg_sizes): Likewise.
11837 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
11840 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
11842 2006-03-08 Ben Elliston <bje@au.ibm.com>
11844 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
11846 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
11849 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11852 2006-03-07 Richard Guenther <rguenther@suse.de>
11854 PR tree-optimization/26587
11855 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
11857 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11859 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
11861 2006-03-07 Richard Sandiford <richard@codesourcery.com>
11863 * hooks.c (hook_bool_mode_rtx_true): New function.
11864 * hooks.h (hook_bool_mode_rtx_true): Declare.
11865 * toplev.c (compile_file): Call output_shared_constant_pool.
11866 * varasm.c (shared_constant_pool): New variable.
11867 (assemble_start_function, assemble_end_function): Remove arguments
11868 from call to output_constant_pool.
11869 (create_constant_pool): New function, split out from...
11870 (init_varasm_status): ...here.
11871 (force_const_mem): Choose between the shared and per-function constant
11872 pools. Set current_function_uses_const_pool when reusing old entries
11873 as well as when creating new ones.
11874 (mark_constant): Ignore data argument.
11875 (mark_constants): Remove pool argument.
11876 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
11877 to decide whether the function uses a constant pool.
11878 (output_constant_pool_contents): New function, split out from...
11879 (output_constant_pool): ...here.
11880 (output_shared_constant_pool): New function.
11881 (init_varasm_once): Initialize shared_constant_pool.
11882 * output.h (output_constant_pool): Delete.
11883 (output_shared_constant_pool): Declare.
11884 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
11885 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
11887 2006-03-06 Nick Clifton <nickc@redhat.com>
11889 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
11890 flag_strength_reduce.
11892 2006-03-06 Ben Elliston <bje@au.ibm.com>
11894 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
11895 x86_64-*-linux* configurations.
11897 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
11898 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
11900 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11902 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
11904 * basic-block.h: Remove the extern for
11905 rediscover_loops_after_threading.
11907 * cfgloop.c (cancel_loop): Make it static.
11908 * cfgloop.h: Remove the prototype for cancel_loop.
11910 * flow.c (recompute_reg_usage): Make it static.
11911 * rtl.h: Remove the prototype for recompute_reg_usage.
11913 * function.c (use_return_register): Make it static.
11914 * function.h: Remove the prototype.
11916 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11918 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
11920 * recog.h: Remove the prototype for
11921 validate_change_maybe_volatile.
11923 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11925 * rtlanal.c (replace_reg): Remove.
11926 * rtl.h: Remove the prototype for replace_reg.
11928 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
11930 * regclass.c (reg_scan_update): Remove.
11931 (reg_scan_mark_refs): Remove the last argument.
11932 * rtl.h: Remove the prototype for reg_scan_update.
11934 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11936 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
11937 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11938 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
11939 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
11940 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
11941 loop-invariant.c, omp-low.c, opts.c, passes.c,
11942 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
11943 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11944 tree-ssa-structalias.c, tree-ssa-threadedge.c,
11945 tree-ssa-threadupdate.c, tree-vect-patterns.c,
11946 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
11947 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
11949 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11951 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
11952 * dwarf2out.h: Remove the prototype for
11953 dwarf2out_add_library_unit_info.
11955 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11957 * tree.c (add_var_to_bind_expr): Remove.
11958 * tree.h: Remove the prototype for add_var_to_bind_expr.
11960 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11962 * regclass.c (n_non_fixed_regs): Remove.
11963 (init_reg_sets_1, globalize_reg): Remove all uses of
11965 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
11967 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11969 * rtlanal.c (insns_safe_to_move_p): Remove.
11970 * rtl.h: Remove the prototype for insns_safe_to_move_p.
11972 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
11974 * expmed.c (expand_mult_add): Remove.
11975 * expr.h: Remove the prototype for expand_mult_add.
11977 2006-03-04 Jakub Jelinek <jakub@redhat.com>
11979 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
11980 and REG_SAVED_VAL_EXP constants.
11981 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11982 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11983 Handle regs stored by value.
11984 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
11985 (execute_cfa_program): Handle DW_CFA_val_offset,
11986 DW_CFA_val_offset_sf and DW_CFA_val_expression.
11987 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
11988 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
11989 (uw_install_context_1): Handle target regs stored by value.
11991 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
11993 * tree-sra.c (tree_sra): Return todoflags;
11994 (generate_one_element): Set TODO_update_smt_usage if needed.
11995 (pass_sra): Remove TODO_update_smt_usage.
11996 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
11998 (tree_ssa_forward_propagate_single_use_vars): Return
11999 TODO_update_smt_usage if we need to update SMT usage.
12000 (pass_forwprop): Remove TODO_update_smt_usage.
12002 2006-03-03 Diego Novillo <dnovillo@redhat.com>
12004 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
12005 (correct_use_link): Remove reference to get_stmt_operands.
12006 (update_stmt_operands): Likewise.
12007 (get_modify_expr_operands): New function factored out of
12008 parse_ssa_operands and get_expr_operands.
12009 Try to create V_MUST_DEFs for LHS by default.
12010 (get_expr_operands) <case MODIFY_EXPR>: Call
12011 get_modify_expr_operands.
12012 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
12013 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
12014 (parse_ssa_operands) <case MODIFY_EXPR>: Call
12015 get_modify_expr_operands.
12017 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
12019 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
12020 * tree-flow.h: Remove the prototype for
12021 referenced_var_lookup_if_exists.
12023 2006-03-03 Steve Ellcey <sje@cup.hp.com>
12025 PR rtl-optimization/26345
12027 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
12029 2006-03-03 Roger Sayle <roger@eyesopen.com>
12031 PR tree-optimization/26524
12032 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
12033 fold_convert to create a constant of the appropriate type.
12035 2006-03-03 Richard Sandiford <richard@codesourcery.com>
12037 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12038 SYMBOL_REF_IN_BLOCK_P.
12039 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
12040 of SYMBOL_FLAG_IN_BLOCK.
12041 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
12042 instead of SYMBOL_REF_IN_BLOCK_P.
12043 * explow.c (use_anchored_address): Likewise.
12044 * rtl.c (rtx_size): Likewise.
12045 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
12046 instead of SYMBOL_FLAG_IN_BLOCK.
12047 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12048 SYMBOL_REF_IN_BLOCK_P.
12049 (assemble_variable): Likewise.
12050 (output_constant_def_contents): Likewise.
12051 (output_constant_pool): Likewise.
12052 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
12053 instead of SYMBOL_FLAG_IN_BLOCK.
12054 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12055 SYMBOL_REF_IN_BLOCK_P.
12056 (SYMBOL_REF_BLOCK): Likewise.
12057 (SYMBOL_REF_OFFSET): Likewise.
12058 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
12059 SYMBOL_REF_IN_BLOCK_P.
12060 (SYMBOL_FLAG_IN_BLOCK): Replace with...
12061 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
12062 (SYMBOL_REF_IN_BLOCK_P): Replace with...
12063 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
12065 2006-03-03 Jakub Jelinek <jakub@redhat.com>
12067 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
12069 2006-03-02 Roger Sayle <roger@eyesopen.com>
12071 * simplify-rtx.c (simplify_unary_operation): When simplifying
12072 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
12073 that we perform the right shift in the appropriate mode, and
12074 then extend or truncate the result to requested mode.
12076 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
12078 * gengtype.c (main): Handle double_int type.
12079 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
12080 * double-int.c: New file.
12081 * double-int.h: New file.
12082 * system.h: Include doubleint.h.
12083 * Makefile.in (SYSTEM_H): Include double-int.h.
12084 (double-int.o): Add.
12086 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
12089 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
12092 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12094 * tree-vrp.c (remove_range_assertions): Do not update statements
12097 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12099 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
12101 * gcse.c (rest_of_handle_gcse): Ditto.
12102 * except.c (gate_handle_eh): Ditto.
12103 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
12104 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
12106 2006-03-02 Eric Christopher <echristo@apple.com>
12108 * config/i386/i386.c (machopic_output_stub): Add indirection to
12111 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
12115 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
12117 Sun Niagara specific optimizations.
12118 * config.gcc: Recognize niagara as target.
12119 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
12120 (TARGET_CPU_niagara): Define.
12121 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
12122 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
12123 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12124 (ASM_CPU_SPEC): Likewise.
12125 (PROCESSOR_NIAGARA): New enum entry.
12126 (REGISTER_MOVE_COST): Handle Niagara.
12127 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
12128 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
12129 (sparc_override_options): Recognize "niagara", set appropriate
12130 default MASK_* values for it, and align functions to 32-bytes
12131 by default just like ULTRASPARC/ULTRASPARC3.
12132 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
12133 (sparc64_initialize_trampoline): Likewise.
12134 (sparc_use_sched_lookahead): Use zero for niagara.
12135 (sparc_issue_rate): Use one for niagara.
12136 * config/sparc/niagara.md: New file.
12137 * config/sparc/sparc.md: Include it.
12138 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
12139 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
12140 when default cpu is niagara.
12141 (CPP_CPU_SPEC): Handle -mcpu=niagara.
12142 (ASM_CPU_SPEC): Likewise.
12143 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
12144 when default cpu is niagara.
12145 (ASM_CPU_SPEC): Handle -mcpu=niagara.
12146 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
12147 just like v9/ultrasparc/ultrasparc3.
12148 * doc/invoke.texi: Add documentation for "niagara" and improve
12149 existing documentation for ultrasparc variants.
12151 2006-03-02 Diego Novillo <dnovillo@redhat.com>
12153 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
12155 2006-03-02 Richard Sandiford <richard@codesourcery.com>
12157 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
12158 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
12159 and say that only one is needed.
12160 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
12161 * target.h (have_switchable_bss_sections): New hook.
12162 * explow.c (use_anchored_address): Check that the symbol is in a block.
12163 * varasm.c (tls_comm_section, comm_section, lcomm_section)
12164 (bss_noswitch_section): New variables.
12165 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
12166 (get_noswitch_section): New function.
12167 (get_block_for_section): Allow SECT to be null.
12168 (unlikely_text_section_p): Use SECTION_STYLE.
12169 (bss_initializer_p): New function.
12170 (get_variable_section): Move earlier in file. Take a new argument,
12171 prefer_noswitch_p. Move bss checks from assemble_variable to here.
12172 Return one of the new *_sections in such cases.
12173 (get_block_for_decl): New function, extracting some logic from
12174 use_blocks_for_decl_p.
12175 (change_symbol_section): Remove in favor of...
12176 (change_symbol_block): ...this new function.
12177 (use_blocks_for_decl_p): Remove checks now performed by
12178 get_block_for_decl.
12179 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
12180 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
12181 (emit_local, emit_bss, emit_common): ...these new functions.
12182 Return true if the alignment was honored.
12183 (emit_tls_common): New function.
12184 (asm_emit_uninitialised): Delete.
12185 (assemble_variable_noswitch): New function, split out from...
12186 (assemble_variable): ...here. Don't make decisions about common
12187 variables here. Globalize all public decls that go into non-common
12188 sections. Check whether SYMBOL_REF_BLOCK is null.
12189 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
12190 (output_constant_pool): Likewise.
12191 (init_varasm_once): Initialize the new section variables.
12192 (have_global_bss_p): New function.
12193 (categorize_decl_for_section): Use bss_initializer_p.
12194 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
12195 (place_block_symbol): Assert that the symbol must be in a block.
12196 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
12197 (TARGET_INITIALIZER): Include it.
12198 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
12199 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
12200 (SECTION_MACH_DEP): Bump by two.
12201 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
12202 (unnamed_section): Mention SECTION_UNNAMED in comment.
12203 (named_section): Likewise SECTION_NAMED.
12204 (noswitch_section_callback): New type.
12205 (noswitch_section): New structure.
12206 (section): Add a noswitch_section alternative.
12207 (SECTION_STYLE): New macro.
12208 (tls_comm_section, comm_section, lcomm_section): Declare.
12209 (bss_noswitch_section, have_global_bss_p): Declare.
12210 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12211 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12213 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
12214 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
12217 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
12219 * tree-vrp.c (execute_vrp): Return value.
12220 * regrename.c (rest_of_handle_regrename): Ditto.
12221 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
12222 * tree-complex.c (tree_lower_complex): Ditto.
12223 (tree_lower_complex_O0): Ditto.
12224 * tracer.c (rest_of_handle_tracer): Ditto.
12225 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
12226 * postreload.c (rest_of_handle_postreload): Ditto.
12227 * tree-tailcall.c (execute_tail_recursion): Ditto.
12228 (execute_tail_calls): Ditto.
12229 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12230 * tree.h (init_function_for_compilation): Ditto.
12231 * ipa-cp.c (ipcp_driver): Ditto.
12232 * tree-scalar-evolution.c (scev_const_prop): Ditto.
12233 * tree-scalar-evolution.h (scev_const_prop): Ditto.
12234 * final.c (compute_alignments): Ditto.
12235 (rest_of_handle_final): Ditto.
12236 (rest_of_handle_shorten_branches): Ditto.
12237 (rest_of_clean_state): Ditto.
12238 * omp-low.c (execute_expand_omp): Ditto.
12239 (execute_lower_omp): Ditto.
12240 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
12241 * ipa-reference.c (static_execute): Ditto.
12242 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
12243 * reorg.c (rest_of_handle_delay_slots): Ditto.
12244 (rest_of_handle_machine_reorg): Ditto.
12245 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
12246 * flow.c (recompute_reg_usage): Ditto.
12247 (rest_of_handle_remove_death_notes): Ditto.
12248 (rest_of_handle_life): Ditto.
12249 (rest_of_handle_flow2): Ditto.
12250 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
12251 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
12252 (do_ssa_store_ccp): Ditto.
12253 (execute_fold_all_builtins): Ditto.
12254 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
12255 * modulo-sched.c (rest_of_handle_sms): Ditto.
12256 * ipa-pure-const.c (static_execute): Ditto.
12257 * cse.c (rest_of_handle_cse): Ditto.
12258 (rest_of_handle_cse2): Ditto.
12259 * web.c (rest_of_handle_web): Ditto.
12260 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
12261 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
12262 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
12263 * tree-nrv.c (tree_nrv): Ditto.
12264 (execute_return_slot_opt): Ditto.
12265 * tree-ssa-alias.c (compute_may_aliases): Ditto.
12266 (create_structure_vars): Ditto.
12267 * loop-init.c (rtl_loop_init): Ditto.
12268 (rtl_loop_done): Ditto.
12269 (rtl_move_loop_invariants): Ditto.
12270 (rtl_unswitch): Ditto.
12271 (rtl_unroll_and_peel_loops): Ditto.
12272 (rtl_doloop): Ditto.
12273 * gimple-low.c (lower_function_body): Ditto.
12274 (mark_used_blocks): Ditto.
12275 * tree-ssa-sink.c (execute_sink_code): Ditto.
12276 * ipa-inline.c (cgraph_decide_inlining): Ditto.
12277 (cgraph_early_inlining): Ditto.
12278 * global.c (rest_of_handle_global_alloc): Ditto.
12279 * jump.c (cleanup_barriers): Ditto.
12280 (purge_line_number_notes): Ditto.
12281 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
12282 (rest_of_handle_if_after_reload): Ditto.
12283 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
12284 (tree_ssa_loop_im): Ditto.
12285 (tree_ssa_loop_unswitch): Ditto.
12286 (tree_vectorize): Ditto.
12287 (tree_linear_transform): Ditto.
12288 (tree_ssa_loop_ivcanon): Ditto.
12289 (tree_ssa_empty_loop): Ditto.
12290 (tree_ssa_loop_bounds): Ditto.
12291 (tree_complete_unroll): Ditto.
12292 (tree_ssa_loop_prefetch): Ditto.
12293 (tree_ssa_loop_ivopts): Ditto.
12294 (tree_ssa_loop_done): Ditto.
12295 * predict.c (tree_estimate_probability): Ditto.
12296 * recog.c (split_all_insns_noflow): Ditto.
12297 (rest_of_handle_peephole2): Ditto.
12298 (rest_of_handle_split_all_insns): Ditto.
12299 * tree-eh.c (lower_eh_constructs): Ditto.
12300 * regmove.c (rest_of_handle_regmove): Ditto.
12301 (rest_of_handle_stack_adjustments): Ditto.
12302 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
12303 * function.c (instantiate_virtual_regs): Ditto.
12304 (init_function_for_compilation): Ditto.
12305 (rest_of_handle_check_leaf_regs): Ditto.
12306 * gcse.c (rest_of_handle_jump_bypass): Ditto.
12307 (rest_of_handle_gcse): Ditto.
12308 * ipa-type-escape.c (type_escape_execute): Ditto.
12309 * alias.c (rest_of_handle_cfg): Ditto.
12310 * tree-if-conv.c (main_tree_if_conversion): Ditto.
12311 * profile.c (rest_of_handle_branch_prob): Ditto.
12312 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
12313 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
12314 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
12315 * tree-dfa.c (find_referenced_vars): Ditto.
12316 * except.c (set_nothrow_function_flags): Ditto.
12317 (convert_to_eh_region_ranges): Ditto.
12318 (rest_of_handle_eh): Ditto.
12319 * emit-rtl.c (unshare_all_rtl): Ditto.
12320 (remove_unnecessary_notes): Ditto.
12321 * except.h (set_nothrow_function_flags): Ditto.
12322 (convert_to_eh_region_ranges): Ditto.
12323 * cfgexpand.c (tree_expand_cfg): Ditto.
12324 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
12325 * tree-ssa-pre.c (do_pre): Ditto.
12326 (execute_fre): Ditto.
12327 * cfgcleanup.c (rest_of_handle_jump): Ditto.
12328 (rest_of_handle_jump2): Ditto.
12329 * tree-sra.c (tree_sra): Ditto.
12330 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
12331 (execute_mudflap_function_decls): Ditto.
12332 * tree-ssa-copy.c (do_copy_prop): Ditto.
12333 (do_store_copy_prop): Ditto.
12334 * ipa-prop.h (ipcp_driver): Ditto.
12335 * cfglayout.c (insn_locators_initialize): Ditto.
12336 * tree-ssa-forwprop.c
12337 (tree_ssa_forward_propagate_single_use_vars): Ditto.
12338 * cfglayout.h (insn_locators_initialize): Ditto.
12339 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
12340 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
12341 (execute_late_warn_uninitialized): Ditto.
12342 * rtl.h (cleanup_barriers): Ditto.
12343 (split_all_insns_noflow): Ditto.
12344 (purge_line_number_notes): Ditto.
12345 (unshare_all_rtl): Ditto.
12346 (remove_unnecessary_notes): Ditto.
12347 (recompute_reg_usage): Ditto.
12348 (variable_tracking_main): Ditto.
12349 * integrate.c (emit_initial_value_sets): Ditto.
12350 * integrate.h (emit_initial_value_sets): Ditto.
12351 * tree-optimize.c (execute_free_datastructures): Ditto
12352 (execute_free_cfg_annotations): Ditto.
12353 (execute_fixup_cfg): Ditto.
12354 (execute_cleanup_cfg_pre_ipa): Ditto.
12355 (execute_cleanup_cfg_post_optimizing): Ditto.
12356 (execute_init_datastructures): Ditto.
12357 * tree-object-size.c (compute_object_sizes): Ditto.
12358 * combine.c (rest_of_handle_combine): Ditto.
12359 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
12360 * bb-reorder.c (duplicate_computed_gotos): Ditto.
12361 (rest_of_handle_reorder_blocks): Ditto.
12362 (rest_of_handle_partition_blocks): Ditto.
12363 * var-tracking.c (variable_tracking_main): Ditto.
12364 * tree-profile.c (tree_profiling): Ditto.
12365 * tree-vect-generic.c (expand_vector_operations): Ditto.
12366 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
12367 * sched-rgn.c (rest_of_handle_sched): Ditto.
12368 (rest_of_handle_sched2): Ditto.
12369 * basic-block.h (free_bb_insn): Ditto.
12370 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
12371 * tree-cfg.c (execute_build_cfg): Ditto.
12372 (remove_useless_stmts): Ditto.
12373 (split_critical_edges): Ditto.
12374 (execute_warn_function_return): Ditto.
12375 (execute_warn_function_noreturn): Ditto.
12376 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
12377 * cfgrtl.c (free_bb_for_insn): Ditto.
12378 * passes.c (execute_one_pass): Run additional
12379 todos returned by execute function.
12380 * tree-pass.h (struct tree_opt_pass): Make execute
12383 2006-03-02 Richard Guenther <rguenther@suse.de>
12385 * tree-ssa-alias.c (find_used_portions): Consider taking
12386 the address as making the variable not write-only.
12388 2006-03-02 Nick Clifton <nickc@redhat.com>
12390 * config.gcc (default_use_cxa_atexit): Extend the description of
12391 this configure variable. Set its default value to "yes" for
12392 Linux, NetBSD and ELF targets on the assumption that they will
12393 use C libraries with the __cxa_atexit function.
12395 2006-03-02 Ben Elliston <bje@au.ibm.com>
12397 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
12398 parameter as unused to suppress a build warning.
12400 2006-03-02 Ben Elliston <bje@au.ibm.com>
12402 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
12405 2006-03-01 Roger Sayle <roger@eyesopen.com>
12408 * gthr-posix.h (__gthrw2): Define to take three parameters, the
12409 declared name, the weak reference name, and the typeof name.
12410 (__gthrw): Avoid expanding the declared name suffix.
12411 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
12413 2006-03-01 Jakub Jelinek <jakub@redhat.com>
12415 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
12417 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
12418 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
12419 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
12420 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
12421 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
12422 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
12423 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
12424 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
12425 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
12426 DW_DS_leading_separate, DW_DS_trailing_separate): New.
12427 (DW_END_default, DW_END_big, DW_END_little): New.
12428 (DW_END_lo_user, DW_END_hi_user): Define.
12429 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
12430 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
12431 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
12434 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12436 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
12438 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
12440 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
12442 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
12444 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
12445 to 'symbol_mem_tag'.
12447 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
12450 2006-03-01 Roger Sayle <roger@eyesopen.com>
12452 * builtins.c (fold_builtin_copysign): Delete unreachable code.
12454 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12457 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
12458 MACHO_DYNAMIC_NO_PIC_P.
12459 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
12461 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12464 * config/darwin-protos.h (darwin_asm_output_anchor):
12466 * config/darwin-sections.def (cstring_section):
12467 Add SECTION_MERGE to the flags.
12468 (literal4_section): Likewise.
12469 (literal8_section): Likewise.
12470 (objc_selector_refs_section): Likewise.
12471 (objc_cls_refs_section): Likewise.
12472 * config/darwin.c (darwin_asm_output_anchor): New
12474 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12476 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
12478 Fix PR tree-optimization/26443
12479 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
12480 to todo and PROP_tmt_usage to properties_destroyed.
12481 * tree-ssa-ccp.c (pass_ccp): Ditto.
12482 (pass_store_ccp): Ditto.
12483 * tree-ssa-dom.c (pass_dominator): Ditto.
12485 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12487 * tree-ssa-operands.c: Cleanup whitespace.
12488 (get_asm_expr_operands): Move before first invocation.
12489 (get_indirect_ref_operands): Likewise.
12490 (get_tmr_operands): Likewise.
12491 (get_call_expr_operands): Likewise.
12492 (append_def): Likewise.
12493 (append_use): Likewise.
12494 (append_v_may_def): Likewise.
12495 (append_v_must_def): Likewise.
12496 (add_call_clobber_ops): Likewise.
12497 (add_call_read_ops): Likewise.
12498 (add_stmt_operand): Likewise.
12499 (add_virtual_operand): Likewise.
12500 (build_ssa_operands): Likewise.
12502 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
12504 PR middle-end/26022
12506 PR middle-end/24437
12507 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12508 with a call expr to ...
12509 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12511 2006-03-01 Diego Novillo <dnovillo@redhat.com>
12513 * tree-vrp.c (extract_range_from_assert): Remove special
12514 handling for types with super-types.
12516 2006-03-01 Ben Elliston <bje@au.ibm.com>
12518 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
12519 and powerpc64-*-linux* configurations.
12520 * config/t-dfprules: New file.
12522 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
12523 Compile dfp-bit.c from the source directory using -DWIDTH and
12524 $DFP_CFLAGS to control the compilation of that file, rather than
12525 generating width-specific versions in the build directory.
12526 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
12527 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
12529 2006-02-28 Zack Weinberg <zackw@panix.com>
12531 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
12534 2006-02-28 Eric Christopher <echristo@apple.com>
12536 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
12537 Set up IN_LIBGCC definition of TARGET_64BIT.
12538 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
12540 2006-02-28 Roger Sayle <roger@eyesopen.com>
12542 PR middle-end/14752
12543 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
12544 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
12545 cases via the construction of "expr != 0".
12547 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
12549 * alias.c (alias_invariant, alias_invariant_size): Remove.
12550 (record_base_value): Remove.
12551 (memrefs_conflict_p): Don't look at alias_invariant.
12552 (end_alias_analysis): Don't free it.
12553 * alias.h (record_base_value): Remove prototype.
12555 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
12556 Adam Nemet <anemet@caviumnetworks.com>
12558 * rtl.h (truncated_to_mode): Declare it.
12559 (struct rtl_hooks): Add reg_truncated_to_mode hook.
12560 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
12561 (RTL_HOOKS_INITIALIZER): Include it.
12562 * rtlhooks.c (reg_truncated_to_mode_general): New function.
12563 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
12564 reg_truncated_to_mode.
12565 * rtlanal.c (truncated_to_mode): Define it.
12566 * simplify-rtx.c (simplify_unary_operation_1): Use it.
12568 2006-02-28 Jeff Law <law@redhat.com>
12570 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
12571 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
12572 the range allowed by TYPE_PRECISION.
12574 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
12576 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
12578 PR tree-optimization/26419
12579 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
12582 2006-02-27 Zack Weinberg <zackw@panix.com>
12584 * doc/md.texi: Fix typo in previous change.
12586 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
12590 2006-02-27 Zack Weinberg <zackw@panix.com>
12592 * rtl.def (define_constraint, define_register_constraint)
12593 (define_memory_constraint, define_address_constraint): New MD forms.
12594 * gensupport.c (process_rtx): Put define_constraint etc on the
12596 * genpreds.c (process_define_predicate): Adjust comment. Validate
12597 the name, and call validate_exp to validate the expression.
12598 (mark_mode_tests, write_extract_subexp): Can assume correct input.
12599 (write_predicate_expr): Likewise. NAME argument no longer necessary;
12600 all callers changed.
12601 (validate_exp, needs_variable, struct constraint_data)
12602 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
12603 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
12604 (const_dbl_constraints, constraint_max_namelen)
12605 (have_register_constraints, have_memory_constraints)
12606 (have_address_constraints, have_address_constraints)
12607 (have_extra_constraints, have_const_int_constraints)
12608 (have_const_dbl_constraints, mangle, add_constraint)
12609 (process_define_constraint, process_define_register_constraint)
12610 (write_enum_constraint_num, write_lookup_constraint)
12611 (write_insn_constraint_len, write_regclass_for_constraint)
12612 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
12613 (write_insn_extra_memory_constraint)
12614 (write_insn_extra_address_constraint)
12615 (write_satisfies_constraint_fns): New.
12616 (write_tm_preds_h): If we have new-style constraint definitions,
12617 prototype the functions generated from them, and define the
12618 old constraint interface (still used by generic code) in terms of
12620 (write_insn_preds_c): If we have new-style constraint definitions,
12621 generate all relevant functions from those definitions.
12622 (main): Handle define_constraint etc.
12623 * genoutput.c (struct constraint_data, indep_constraints)
12624 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
12625 (mdep_constraint_len): New data structures and functions, defined
12626 #ifdef USE_MD_CONSTRAINTS.
12627 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
12628 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
12629 use new logic to validate operand constraints against constraint
12631 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
12633 * defaults.h: If none of the old-style constraint macros are
12634 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
12635 old-style macros; and poison REG_CLASS_FROM_LETTER,
12636 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
12638 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
12639 * doc/md.texi: Document new constraint-definition mechanism and the
12640 C interface it provides. Remove references to old mechanism
12641 elsewhere in the document.
12642 (Machine Constraints): Use pathnames relative to gcc directory,
12643 i.e. config/ARCH/FILE. Change i386 section to refer to
12644 config/i386/predicates.md; update that section to match docstrings.
12645 * doc/tm.texi: Move all documentation of the old constraint-
12646 definition macros to their own section, clearly mark as obsolete.
12648 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
12649 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
12651 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
12652 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
12653 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
12654 constraint strings.
12655 (splits and peepholes): Use satisfies_constraint_*.
12656 * config/i386/i386.c (memory_address_length)
12657 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
12659 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12661 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
12662 scalar operation to be put back into the loop.
12664 2006-02-27 Jakub Jelinek <jakub@redhat.com>
12667 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
12668 (extract_cie_info): Handle S flag in augmentation string.
12669 (execute_cfa_program): If context->signal_frame, execute also
12670 fs->pc == context->ra instructions.
12671 (uw_frame_state_for): If context->signal_frame, don't subtract one
12672 from context->ra to find FDE.
12673 (uw_update_context_1): Set context->signal_frame to
12675 (_Unwind_GetIPInfo): New function.
12676 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
12677 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
12679 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
12680 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
12681 * unwind-compat.c (_Unwind_GetIPInfo): New function.
12682 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
12683 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
12684 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
12685 * config/i386/linux-unwind.h (x86_fallback_frame_state,
12686 x86_64_fallback_frame_state): Set fs->signal_frame.
12687 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
12688 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
12689 (frob_update_context): Likewise. Workaround missing S flag in
12690 Linux 2.6.12 - 2.6.16 kernel vDSOs.
12691 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
12692 Remove the psw_addr + 1 hack.
12694 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
12696 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
12697 with aggregates here.
12698 (find_func_aliases): Remove code for &<aggregate> from here.
12700 2006-02-26 Roger Sayle <roger@eyesopen.com>
12702 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
12703 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
12704 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
12705 as (X & C) ne/eq 0.
12707 2006-02-26 Roger Sayle <roger@eyesopen.com>
12709 PR middle-end/19983
12710 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
12712 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
12714 * opts.c (decode_options): Do not handle flag_strength_reduce.
12715 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
12716 and OPT_fstrength_reduce.
12717 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
12718 flag_prefetch_loop_arrays for being nonzero.
12719 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
12721 (fprefetch-loop-arrays-rtl): Removed.
12722 (flag_prefetch_loop_arrays): Do not specify the value.
12724 * doc/passes.texi: Update documentation of loop optimizer
12726 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
12727 -frerun-loop-opt): Remove.
12729 2006-02-26 Richard Guenther <rguenther@suse.de>
12731 PR tree-optimization/26421
12732 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
12733 in function calls that are ADDR_EXPRs as using the whole structure.
12735 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
12737 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
12738 * tree-pass.h (pass_loop_optimize): Remove.
12739 * passes.c (pass_loop_optimize): Never run it.
12740 * toplev.c (backend_init): Don't call init_loop.
12741 * opts.c (flag_loop_optimize_set): Remove.
12742 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
12743 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
12744 the old RTL loop optimizer when profiling enabled.
12745 * predict.c (tree_estimate_probability): Always strip builtin_expect.
12746 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
12747 pre-headers for the sake of the old RTL loop optimizer.
12748 * Makefile.in: Remove all references to loop.o.
12750 * doc/invoke.texi: Remove all references to -floop-optimize
12751 and -frerun-loop-opt.
12753 2006-02-26 Zack Weinberg <zackw@panix.com>
12755 * doc/md.texi (Machine Constraints): Refer to all files with paths
12756 relative to gcc directory (i.e. config/CPU/file). Add missing
12757 @table @code ... @end table to M32C subsection.
12759 2006-02-26 Roger Sayle <roger@eyesopen.com>
12761 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
12763 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
12765 2006-02-26 Roger Sayle <roger@eyesopen.com>
12766 James A. Morrison <phython@gcc.gnu.org>
12768 PR middle-end/21137
12769 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
12770 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
12771 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
12772 signedness of the shift operation.
12774 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
12776 PR tree-optimization/26359
12777 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
12779 2006-02-25 Roger Sayle <roger@eyesopen.com>
12781 * simplify-rtx.c (simplify_relational_operation_1): Simplify
12782 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
12783 as X == 0, and some symmetry related transformations.
12784 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
12786 2006-02-25 Roger Sayle <roger@eyesopen.com>
12788 PR middle-end/23673
12789 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
12790 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
12791 symmetry related transformations. Fold (X^C1) == C2 as
12794 2006-02-25 Juergen Weigert <jw@suse.de>
12795 Richard Guenther <rguenther@suse.de>
12797 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
12799 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
12801 * combine.c (gen_lowpart_or_truncate): Call
12802 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
12804 2006-02-24 Diego Novillo <dnovillo@redhat.com>
12806 * doc/invoke.texi: Move -fopenmp description to "Options for
12808 Remove reference to -lgomp.
12810 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12812 * doc/install.texi: Require GNU tar version 1.14.
12814 2006-02-24 Geoffrey Keating <geoffk@apple.com>
12816 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
12817 * doc/invoke.texi (C++ Dialect Options): Document
12818 -fno-use-cxa-get-exception-ptr.
12819 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
12820 * configure: Regenerate.
12821 * c.opt (fuse-cxa-get-exception-ptr): New.
12822 * c-opts.c (c_common_handle_option): Handle
12823 OPT_fuse_cxa_get_exception_ptr.
12824 * c-common.c (flag_use_cxa_atexit): Update documentation.
12825 (flag_use_cxa_get_exception_ptr): New.
12826 * c-common.h (flag_use_cxa_get_exception_ptr): New.
12827 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
12829 (C_COMMON_OVERRIDE_OPTIONS): New.
12831 2006-02-24 Roger Sayle <roger@eyesopen.com>
12833 PR middle-end/24952
12834 * combine.c (try_combine): Explicitly check whether GET_CODE is
12835 a SET or a CLOBBER, instead on checking that it isn't a USE.
12837 2006-02-24 Roger Sayle <roger@eyesopen.com>
12839 * fold-const.c (fold_comparison): New subroutine of fold_binary
12840 containing transformations common to both the equality and
12841 ordering relational operators, factored out of fold_binary.
12842 (fold_binary): Separate out the equality operators (EQ_EXPR
12843 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
12844 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
12845 transformations common to both.
12846 (fold_div_compare): Fix latent bugs in the previously unreachable
12847 LT_EXPR and GE_EXPR cases.
12849 2006-02-24 David Edelsohn <edelsohn@gnu.org>
12851 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
12852 decl libname for clog to __clog on AIX.
12854 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
12856 2006-02-24 Alan Modra <amodra@bigpond.net.au>
12859 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
12860 output traceback table for thunks. Localise rs6000_stack_info call.
12862 2006-02-23 Roger Sayle <roger@eyesopen.com>
12863 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12865 * gthr-posix.h (__gthrw): Fix typo in comment.
12867 2006-02-23 Geoffrey Keating <geoffk@apple.com>
12869 * doc/cpp.texi (Character sets): Document that we do support
12870 input files to be in any character set.
12872 2006-02-23 Jeff Law <law@redhat.com>
12874 * tree.h (PHI_ARG_NONZERO): Remove.
12875 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
12876 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
12877 node to the new node.
12879 PR tree-optimization/26425
12880 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
12881 min/max, then assume its varying.
12883 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12885 PR rtl-optimization/26316
12886 * rtlanal.c (enum may_trap_p_flags): New.
12887 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
12888 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
12889 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
12890 (may_trap_after_code_motion_p): New function.
12891 * loop-invariant.c (find_identical_invariants): Fix dump formating.
12892 (find_invariant_insn): Use may_trap_after_code_motion_p.
12893 * rtl.h (may_trap_after_code_motion_p): Declare.
12895 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
12897 * emit-rtl.c (immed_double_const): Cleanup.
12899 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
12901 Fix PR tree-optimization/26376
12902 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
12905 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12907 PR middle-end/26412
12908 * gimplify.c (omp_add_variable): Guard variable size decl test with
12909 DECL_SIZE (decl) check.
12911 2006-02-23 Richard Guenther <rguenther@suse.de>
12913 PR middle-end/26439
12914 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
12915 like aggregate types.
12917 2006-02-23 Jakub Jelinek <jakub@redhat.com>
12919 * configure.ac: Add --with{,out}-long-double-128 configure option.
12920 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
12921 * configure: Rebuilt.
12922 * config.in: Rebuilt.
12923 * doc/install.texi (Options specification): Document
12924 --with-long-double-128.
12926 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12927 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12928 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
12929 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
12931 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
12933 * config/s390/s390.c (override_options): Handle
12934 TARGET_DEFAULT_LONG_DOUBLE_128.
12936 * config/alpha/alpha.c (override_options): Handle
12937 TARGET_DEFAULT_LONG_DOUBLE_128.
12939 * config/sparc/sparc.c (sparc_override_options): Handle
12940 TARGET_DEFAULT_LONG_DOUBLE_128.
12942 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
12944 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
12945 (real-install-headers-tar, real-install-headers-cpio)
12946 (real-install-headers-cp): New targets.
12948 2006-02-22 Richard Sandiford <richard@codesourcery.com>
12950 * tree.h (variable_section): Delete.
12951 * varasm.c (variable_section): Delete.
12953 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
12955 * install.texi: Add notes on install.texi2html.
12956 (Building in parallel): Do not use footnotes.
12958 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
12961 * doc/install.texi (Configuration): Document --disable-libgomp.
12963 2006-02-21 Geoffrey Keating <geoffk@apple.com>
12965 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
12967 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12969 * config/i386/sse.md (vec_extractv2df_1_sse): New.
12970 (vec_extractv2df_0_sse): New.
12972 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
12974 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
12975 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
12976 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
12977 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
12978 to the result of the expression.
12979 (def_cfa_1): Adjust.
12980 (frame_pointer_cfa_offset): Rename to...
12981 (frame_pointer_fb_offset): ... this. Adjust all uses.
12982 (convert_cfa_to_loc_list): Rename to...
12983 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
12984 Pass it on to build_cfa_loc.
12985 (compute_frame_pointer_to_cfa_displacement): Rename to...
12986 (compute_frame_pointer_to_fb_displacement): ... this. New
12987 offset parameter. Use it in computation.
12988 (gen_subprogram_die): Compute cfa_fb_offset with the new
12989 macro, and use it to compute the fb loc list and the
12992 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
12994 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
12995 replaced with register_operand.
12996 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
12997 non-DREG is expensive.
12998 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
12999 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
13002 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
13004 * doc/install.texi2html: Use set -e.
13006 2006-02-21 Richard Sandiford <richard@codesourcery.com>
13008 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13009 (ASM_OUTPUT_SHARED_LOCAL): Delete.
13010 * doc/invoke.texi (-fshared-data): Delete.
13011 * common.opt (fshared-data): Delete.
13012 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
13013 (assemble_static_space): Remove #if 0 code.
13014 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
13015 (ASM_OUTPUT_SHARED_LOCAL): Poison.
13016 * config/cris/cris.h: Remove FIXME.
13018 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
13020 * doc/sourcebuild.texi (Front End Directory): No more double-colon
13023 2006-02-21 Jakub Jelinek <jakub@redhat.com>
13025 PR middle-end/26379
13026 * combine.c (simplify_shift_const_1): Disable nested shifts
13027 optimization for vector shifts.
13029 2006-02-20 Roger Sayle <roger@eyesopen.com>
13031 PR tree-optimization/26361
13032 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
13033 of unsigned integer types.
13035 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
13037 * tree-chrec.c (eq_evolutions_p): New.
13038 * tree-chrec.h (eq_evolutions_p): Declared.
13039 * tree-data-ref.c: Fix formatting.
13040 (datadep_stats, dependence_stats): New.
13042 (print_direction_vector): New.
13043 (dump_data_dependence_relation): Use print_direction_vector.
13044 (object_analysis, create_data_ref): Handle COMPONENT_REF.
13045 (compute_subscript_distance): Static.
13046 (initialize_data_dependence_relation): Static. Get the number
13047 of loops surrounding the references from the callers, and initialize
13048 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
13049 base_object_differ_p analyzers.
13050 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
13051 compute_overlap_steps_for_affine_1_2,
13052 analyze_subscript_affine_affine): Count the classified dependences.
13053 Print a message when a test failed.
13054 (can_use_analyze_subscript_affine_affine): New.
13055 (analyze_siv_subscript): Compute the data dependences on symbolic
13056 scevs that verify can_use_analyze_subscript_affine_affine.
13057 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
13058 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
13059 Handle symbolic scevs.
13060 (analyze_overlapping_iterations): Let symbolic affine scevs to be
13062 (subscript_dependence_tester): Moved...
13063 (build_classic_dist_vector, build_classic_dir_vector): Don't use
13064 lambda_vector_clear on newly allocated vectors. Get nb_loops from
13065 DDR_SIZE_VECT instead of getting it in parameter.
13066 (subscript_dependence_tester): ... here. Take as a parameter
13067 loop_nest_depth. Call build_classic_dist_vector and
13068 build_classic_dir_vector.
13069 (compute_affine_dependence): Update subscript_dependence_tester
13070 parameters. Update datadep_stats counters. Call
13071 compute_subscript_distance.
13072 (compute_self_dependence): Save the dist and dir vectors. Call
13073 compute_subscript_distance.
13074 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
13075 (compute_all_dependences): Reorder parameters as they were before
13076 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
13077 compute_subscript_distance. Update the use of
13078 compute_affine_dependence and initialize_data_dependence_relation.
13079 (find_data_references_in_loop): Handle COMPONENT_REF.
13080 (compute_data_dependences_for_loop): Initialize dependence_stats.
13081 Don't call build_classic_dist_vector and build_classic_dir_vector.
13082 Update the parameters of initialize_data_dependence_relation and
13083 compute_all_dependences. Print the statistics from datadep_stats.
13084 (analyze_all_data_dependences): Static. Not used until the pass for
13085 checking the data dependences is contributed.
13086 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
13087 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
13088 (initialize_data_dependence_relation, compute_affine_dependence,
13089 analyze_all_data_dependences, compute_subscript_distance): Removed.
13090 (print_direction_vector): New.
13091 * lambda.h (gcd): ... here.
13092 (lambda_vector_gcd): Moved here from gcd_vector.
13093 * lambda-code.c (gcd, gcd_vector): Removed.
13094 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
13095 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
13097 2006-02-20 Diego Novillo <dnovillo@redhat.com>
13099 * ipa-type-escape.c: Tidy some comments and white space.
13100 * tree-ssa-operands.c: Likewise.
13102 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
13105 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
13106 (dump_decl_name): Do not walk the decl tree chains.
13107 * tree-pass.h (TDF_CHAIN): Remove.
13109 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13111 * Makefile.in (C): Remove
13113 (.PHONY): Remove C and PROTO
13115 2006-02-20 Roger Sayle <roger@eyesopen.com>
13117 PR middle-end/26236
13118 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
13119 deprecated CHAR_TYPE tree code.
13121 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13123 * configure.ac (target_list): Add install-info, dvi, html.
13124 * configure: Regenerate.
13126 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
13127 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
13128 treelang/Make-lang.in: Do not use double-colon rules.
13130 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
13132 * tree.h (struct tree_memory_tag): Add is_used_alone member.
13133 (TMT_USED_ALONE): New macro.
13134 * tree-pass.h (PROP_tmt_usage): New property.
13135 (TODO_update_tmt_usage): New todo.
13136 * tree-ssa-alias.c (updating_used_alone): New variable.
13137 (recalculate_used_alone): New function.
13138 (compute_may_aliases): Set updating_used_alone, call
13139 recalculate_used_alone.
13140 * tree-sra.c (pass_sra): Note that this pass destroys
13141 PROP_tmt_usage, and add TODO_update_tmt_usage.
13142 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
13143 * tree-flow.h (updating_used_alone): Prototype.
13144 (recalculate_used_alone): Ditto.
13145 * passes.c (execute_todo): Add code to set updating_used_alone,
13146 and call recalculate.
13147 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
13148 for clobber if used alone, and add assert to verify used_alone
13151 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
13153 * config/s390/s390.c (legitimize_pic_address): Assertions checking
13154 for non tls symbols added.
13155 (legitimize_address): Do nothing for PLUS expressions if one of the
13156 addends is a tls symbol reference.
13158 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
13162 * Makefile.in (LDFLAGS): Define from autoconf substitution.
13164 * Makefile.in (BOOTSTRAPPING): New.
13165 (quickstrap): New definition if BOOTSTRAPPING=yes.
13167 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
13168 * configure.ac: Substitute all_selected_languages with the languages
13169 that were configured. For all the other variables except
13170 lang_specs_files, include all the languages in the tree.
13171 * configure: Regenerate.
13173 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
13174 if there is one. Run the commands to run fixincludes in the same
13177 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
13178 * doc/install.texi: Document exact conventions for searching target tools.
13179 Document --with-build-time-tools. Document toplevel bootstrap. Document
13180 something more about building an Ada cross-compiler. Don't list GNU Make
13181 requirements which affect all platforms.
13183 2006-02-19 Roger Sayle <roger@eyesopen.com>
13185 PR middle-end/19543
13186 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
13187 only equivalent if the have both the same mode and precision.
13189 2006-02-20 Ben Elliston <bje@au.ibm.com>
13191 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
13193 2006-02-19 Roger Sayle <roger@eyesopen.com>
13194 Steven Bosscher <stevenb.gcc@gmail.com>
13196 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
13197 constant pool references to identify stack mode constants.
13198 * rtlanal.c (constant_pool_constant_p): New predicate to check
13199 whether operand is a floating point constant in the pool.
13200 * rtl.h (constant_pool_constant_p): Prototype here.
13201 * loop.c (scan_loop): Avoid hoisting constants from the constant
13202 pool on STACK_REGS targets.
13203 (load_mems): Likewise.
13204 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
13205 loads into x87 registers expensive in terms of register pressure.
13207 2006-02-19 Roger Sayle <roger@eyesopen.com>
13209 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
13210 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
13212 2006-02-19 David Edelsohn <edelsohn@gnu.org>
13214 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13215 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
13217 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
13219 * doc/invoke.texi: Document -fipa-pta.
13220 * common.opt: Add ipa-pta option.
13221 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
13222 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
13223 (do_ds_constraint): Ditto.
13224 (get_constraint_for): Only add to referenced_vars if
13225 referenced_vars exists.
13226 (insert_into_field_list): Rewrite to do this unsorted.
13227 (insert_into_field_list_sorted): Rename old insert_into_field_list
13229 (create_function_info_for): Use insert_into_field_list_sorted.
13230 (create_variable_info_for): Rewrite so it uses unsorted version,
13231 since the field list is sorted.
13232 (intra_create_variable_infos): Only add to referenced_vars if
13233 referenced_vars exists.
13234 (ipa_pta_execute): Init heapvars, and delete when done.
13235 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
13237 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13239 * doc/install.texi: Add missing `@samp'.
13241 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13243 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
13246 2006-02-18 Mark Wielaard <mark@klomp.org>
13248 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
13249 who added new 4.1 features, bug fixes and integration support.
13251 2006-02-18 David Edelsohn <edelsohn@gnu.org>
13254 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
13255 MEM for ABI_V4 pic.
13257 2006-02-18 Richard Sandiford <richard@codesourcery.com>
13259 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
13260 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
13261 (copy_insn_1): Likewise. Don't copy each field individually.
13263 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
13265 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
13266 * rtl.c (rtx_size): Rename variable to...
13267 (rtx_code_size): ...this.
13268 (rtx_size): New function.
13269 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
13270 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
13272 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
13273 * rtl.h (rtx_code_size): New variable.
13274 (rtx_size): Change from a variable to a function.
13275 (RTX_SIZE): Rename to...
13276 (RTX_CODE_SIZE): ...this.
13279 PR tree-optimization/17106
13280 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
13281 (Anchored Addresses): New section.
13282 * doc/invoke.texi (-fsection-anchors): Document.
13283 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
13284 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
13285 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
13286 * hooks.c (hook_bool_mode_rtx_false): New function.
13287 * hooks.h (hook_bool_mode_rtx_false): Declare.
13288 * gengtype.c (create_optional_field): New function.
13289 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
13290 SYMBOL_REF_IN_BLOCK_P is true.
13291 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
13292 (min_anchor_offset, max_anchor_offset): Likewise.
13293 (use_anchors_for_symbol_p): New hook.
13294 * toplev.c (compile_file): Call output_object_blocks.
13295 (target_supports_section_anchors_p): New function.
13296 (process_options): Check that -fsection-anchors is only used on
13297 targets that support it and when -funit-at-a-time is in effect.
13298 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
13299 if the decl doesn't have one.
13300 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
13301 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
13302 of force_const_mem through use_anchored_address.
13303 (expand_expr_constant): New function.
13304 (expand_expr_addr_expr_1): Call it. Use the same modifier when
13305 calling expand_expr for INDIRECT_REF.
13306 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
13307 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
13308 * expr.h (use_anchored_address): Declare.
13309 * loop-unroll.c: Don't declare rtx vectors here.
13310 * explow.c: Include output.h.
13311 (validize_mem): Call use_anchored_address.
13312 (use_anchored_address): New function.
13313 * common.opt (-fsection-anchors): New switch.
13314 * varasm.c (object_block_htab, anchor_labelno): New variables.
13315 (hash_section, object_block_entry_eq, object_block_entry_hash)
13316 (use_object_blocks_p, get_block_for_section, create_block_symbol)
13317 (use_blocks_for_decl_p, change_symbol_section): New functions.
13318 (get_variable_section): New function, split out from assemble_variable.
13319 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
13320 use_blocks_for_decl_p say so. Use change_symbol_section if the
13321 symbol has already been created.
13322 (assemble_variable_contents): New function, split out from...
13323 (assemble_variable): ...here. Don't output any code for
13324 block symbols; just pass them to place_block_symbol.
13325 Use get_variable_section and assemble_variable_contents.
13326 (get_constant_alignment, get_constant_section, get_constant_size): New
13327 functions, split from output_constant_def_contents.
13328 (build_constant_desc): Create a block symbol if use_object_blocks_p
13329 says so. Or into SYMBOL_REF_FLAGS.
13330 (assemble_constant_contents): New function, split from...
13331 (output_constant_def_contents): ...here. Don't output any code
13332 for block symbols; just pass them to place_section_symbol.
13333 Use get_constant_section and get_constant_alignment.
13334 (force_const_mem): Create a block symbol if use_object_blocks_p and
13335 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
13336 (output_constant_pool_1): Add an explicit alignment argument.
13337 Don't switch sections here.
13338 (output_constant_pool): Adjust call to output_constant_pool_1.
13339 Switch sections here instead. Don't output anything for block symbols;
13340 just pass them to place_block_symbol.
13341 (init_varasm_once): Initialize object_block_htab.
13342 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
13343 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
13344 (place_block_symbol, get_section_anchor, output_object_block)
13345 (output_object_block_htab, output_object_blocks): New functions.
13346 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
13347 (TARGET_ASM_OUT): Include it.
13348 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
13349 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
13350 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
13351 (TARGET_INITIALIZER): Include them.
13352 * rtl.c (rtl_check_failed_block_symbol): New function.
13353 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
13354 (block_symbol, object_block): New structures.
13355 (rtx_def): Add a block_symbol field to the union.
13356 (BLOCK_SYMBOL_CHECK): New macro.
13357 (rtl_check_failed_block_symbol): Declare.
13358 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
13359 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
13360 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
13361 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
13362 * output.h (output_section_symbols): Declare.
13363 (object_block): Name structure.
13364 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
13365 (default_use_anchors_for_symbol_p): Declare.
13366 * Makefile.in (RTL_BASE_H): Add vec.h.
13367 (explow.o): Depend on output.h.
13368 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
13369 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13370 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13371 (rs6000_use_blocks_for_constant_p): New function.
13373 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13375 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
13377 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
13380 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
13383 2006-02-18 Diego Novillo <dnovillo@redhat.com>
13385 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
13389 2006-02-18 Jakub Jelinek <jakub@redhat.com>
13391 PR middle-end/26334
13392 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
13393 instead of DECL_REGISTER.
13395 2006-02-18 Olivier Hainque <hainque@adacore.com>
13398 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
13400 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
13403 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
13404 * opth-gen.awk: Handle Var and InverseMask together.
13405 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
13406 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
13407 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
13408 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
13410 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13411 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13412 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
13413 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13414 LINUX_DYNAMIC_LINKER): Define.
13415 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
13416 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
13418 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13419 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
13420 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13421 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13422 (TARGET_C99_FUNCTIONS): Don't define.
13423 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
13424 GLIBC_DYNAMIC_LINKER.
13425 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
13426 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
13427 GLIBC_DYNAMIC_LINKER64): Define.
13428 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13429 LINUX_DYNAMIC_LINKER64.
13430 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13431 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13432 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
13433 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13434 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13435 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13436 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
13437 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
13438 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
13439 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
13440 and LINUX_DYNAMIC_LINKER32.
13441 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13442 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13443 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
13444 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13445 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
13447 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
13448 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
13449 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
13450 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13451 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13452 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
13453 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
13454 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
13455 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13456 LINUX_DYNAMIC_LINKER): Define.
13457 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
13458 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
13459 GLIBC_DYNAMIC_LINKER64): Define.
13460 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
13461 LINUX_DYNAMIC_LINKER64.
13462 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13463 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13464 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
13465 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
13466 LINUX_DYNAMIC_LINKER): Define.
13467 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13468 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13469 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
13470 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
13471 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
13472 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
13473 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
13474 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
13475 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
13476 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13477 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13478 * doc/invoke.texi (-muclibc): Remove caveat about supported
13481 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
13483 * doc/cpp.texi (__TIMESTAMP__): Document.
13485 2006-02-17 Roger Sayle <roger@eyesopen.com>
13487 PR middle-end/25600
13488 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
13489 C is one less than the width of X (and related transformations).
13490 * simplify-rtx.c (simplify_unary_operation_1): Transform
13491 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
13492 depending on STORE_FLAG_VALUE, were C is one less then the
13495 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
13497 Fix PR tree-optimization/26341
13498 * tree-ssa-operands.c (add_virtual_operand): Remove assert
13499 about NAME_MEMORY_TAG's.
13501 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13504 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
13505 with hardware float support, and software float support. Add fcpy
13506 alternative to hardware patterns. Add alternatives to copy between
13507 general and floating-point registers to the 32-bit pattern.
13508 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
13509 secondary reload to load a QI or HI mode constant into a floating
13511 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
13512 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
13514 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
13517 * config/rs6000/darwin.md (load_macho_picbase_si): Add
13519 (load_macho_picbase_di): Likewise.
13521 2006-02-16 Jeff Law <law@redhat.com>
13523 * tree-vrp.c (set_value_range_to_nonnegative): New function.
13524 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
13525 (ssa_name_nonzero_p): Likewise.
13526 (get_value_range): Return NULL if VRP is not running.
13527 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
13528 VRP routines do not discover a range.
13529 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
13530 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
13531 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
13532 (tree_expr_nonnegative_p): Similarly.
13533 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
13534 (restore_nonzero_vars_to_original_value): Remove.
13535 (unsafe_associative_fp_binop): Remove.
13536 (tree_ssa_dominator_optimize): Remove initialization and
13537 finalization of nonzero_vars and nonzero_vars_stack.
13538 (dom_opt_initialize_block): No longer push marker on
13539 nonzero_vars_stack.
13540 (dom_opt_finalize_block): No longer call
13541 restore_nonzero_vars_to_original_value.
13542 (record_equivalences_from_phis): No longer look for
13543 nonzero PHI arguments.
13544 (cprop_into_successor_phis): No longer propagate nonzero
13545 property into PHI arguments. Lose unused argument. Caller
13547 (record_equivalences_from_stmt): No longer record nonzero
13548 values for SSA_NAMEs.
13549 (lookup_avail_expr): No longer use nonzero_vars.
13551 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
13552 for sizetype when sizetype is unsigned.
13554 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
13556 PR rtl-optimization/25603
13557 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
13558 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
13559 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
13560 with new meaning of SETS.
13562 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
13567 * config/linux.opt: New file.
13568 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
13569 LINUX_DYNAMIC_LINKER): Define.
13570 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
13571 * config.gcc (*-*-linux*): Define extra_options.
13572 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
13573 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
13574 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
13575 GLIBC_DYNAMIC_LINKER.
13576 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
13577 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13578 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
13579 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
13580 * doc/invoke.texi (GNU/Linux Options): New section.
13582 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
13584 * config/sparc/sparc.md (setjmp): Rewrite.
13585 (setjmp_32): Delete.
13586 (setjmp_64): Likewise.
13588 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
13590 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
13593 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13595 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
13598 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
13600 PR rtl-optimization/26296
13601 * Makefile.in (loop-invariant.c): Add except.h dependency.
13602 * loop-invariant.c: Include except.h.
13603 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
13605 2005-02-16 Paul Brook <paul@codesourcery.com>
13607 * reload1.c (emit_reload_insns): Invalidate dead input registers used
13610 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
13612 PR rtl-optimization/25636
13613 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
13614 when deciding whether an insn is an initializing insn.
13616 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
13618 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
13619 (tree_code_size): Ditto.
13620 * tree.h (struct tree_memory_tag): Remove parent_var.
13621 (struct tree_struct_field_tag): New.
13624 (union tree_node): Add sft member.
13625 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
13627 (create_sft): Add size and offset argument, set SFT_OFFSET and
13629 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
13630 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
13631 * tree-flow-inline.h (get_subvar_at): Update for
13632 SFT_OFFSET/SFT_SIZE.
13633 (var_can_have_subvars): Ditto.
13634 (overlap_subvar): Ditto.
13635 * print-tree.c (print_node): Print out interesting things for
13637 * tree-flow.h (struct subvar): Remove offset and size members.
13638 * tree-ssa-operands.c (get_expr_operands): Update for
13639 get_indirect_ref_operands changes.
13640 (get_indirect_ref_operands): Call add_virtual_operand instead of
13641 add_stmt_operand. Only recurse on base var if requested.
13642 (access_can_touch_variable): New function.
13643 (add_stmt_operand): Split virtual operand handling into ...
13644 (add_virtual_operand): Here. Add offset, size, and for_clobber
13645 arguments. Prune alias sets.
13646 (add_call_clobber_ops): Call add_virtual_operand.
13648 2006-02-15 Jakub Jelinek <jakub@redhat.com>
13650 PR middle-end/26300
13651 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
13653 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
13654 than TREE_CODE as index into omp_clause_num_ops array.
13656 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
13658 PR rtl-optimization/26184
13659 * modulo-sched.c (generate_reg_moves): Free bitmap vector
13661 * modulo-sched.c (sms_schedule): Free g_arr pointer.
13662 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
13663 must_precede, must_follow and tobe_scheduled.
13666 * opts.c (common_handle_option): Free new_option pointer.
13667 * df-core.c (df_analyze): Free postorder pointer.
13669 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
13671 * Makefile.in: Fix the examples about the use of stamps
13673 2006-02-15 Michael Matz <matz@suse.de>
13675 PR middle-end/22275
13677 * stor-layout.c (layout_decl): Zero-width bitfields aren't
13678 influenced by maximum_field_alignment or DECL_PACKED.
13679 (update_alignment_for_field): Ditto.
13680 (place_field): Ditto.
13681 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
13684 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
13686 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
13687 (debug_flow_info): Pass it.
13688 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
13689 * bb-reorder.c (reorder_basic_blocks): Likewise.
13690 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
13691 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
13692 * flow.c (life_analysis, recompute_reg_usage): Likewise.
13693 * gcse.c (gcse_main, bypass_jumps): Likewise.
13694 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
13695 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
13696 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
13697 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
13698 * rtl.h (dump_flow_info): Adjust prototype.
13699 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
13700 * var-tracking.c (variable_tracking_main): Likewise.
13701 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
13702 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
13705 2006-02-15 Marcin Dalecki <martin@dalecki.de>
13707 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
13710 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13712 PR tree-optimization/26209
13713 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
13714 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
13716 * tree-cfg.c (replace_uses_by): Do not alter cfg.
13718 2006-02-14 Roger Sayle <roger@eyesopen.com>
13720 PR middle-end/23670
13721 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
13722 (X,Y) and the corresponding symmetry related transformations.
13723 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
13724 (X,Y) and its symmetry related transformations.
13726 2006-02-14 Roger Sayle <roger@eyesopen.com>
13728 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
13731 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
13733 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
13735 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13738 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
13739 support COMDAT group.
13740 * configure: Regenerate.
13742 2006-02-14 Roger Sayle <roger@eyesopen.com>
13744 PR middle-end/26279
13745 PR middle-end/26280
13746 PR middle-end/26283
13747 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
13749 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
13751 Fix PR tree-optimization/26260
13753 * doc/invoke.texi (max-fields-for-field-sensitive): Document
13755 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
13756 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
13757 * tree-ssa-structalias.c (create_variable_info_for): Use
13758 MAX_FIELDS_FOR_FIELD_SENSITIVE.
13760 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13762 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
13764 * tree-ssa-loop-niter.c (number_of_iterations_ne,
13765 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
13766 of the ending condition.
13767 * tree-ssa-loop-manip.c: Include params.h.
13768 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
13769 tree_unroll_loop): New functions.
13770 * tree-pass.h (pass_loop_prefetch): Declare.
13771 * loop.c (rest_of_handle_loop_optimize): Test for
13772 -fprefetch-loop-arrays-rtl.
13773 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
13774 * timevar.def (TV_TREE_PREFETCH): New timevar.
13775 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
13776 pass_loop_prefetch): New.
13777 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
13778 (cleanup_tree_cfg_loop): Call scev_reset.
13779 * common.opt (fprefetch-loop-arrays-rtl): Add.
13780 * tree-ssa-loop-prefetch.c: New file.
13781 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
13782 (new_temp_expr_table): Initialize expr_vars.
13783 (free_temp_expr_table): Cleanup expr_vars.
13784 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
13785 expressions from being merged into one.
13786 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
13787 (struct tree_niter_desc): Add control, bound and cmp fields.
13788 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
13790 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
13791 (tree-cfgcleanup.o): Add SCEV_H dependency.
13792 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
13793 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
13795 2006-02-14 Richard Guenther <rguenther@suse.de>
13797 PR tree-optimization/26258
13798 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
13799 in PHI argument processing.
13801 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
13803 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
13804 new expression in the requested machine mode.
13806 2006-02-13 Roger Sayle <roger@eyesopen.com>
13808 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
13809 directly, instead let do_compare_rtx_and_jump handle this for us.
13810 * expr.c (expand_expr_real_1): Likewise.
13811 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
13812 before do_jump_by_parts_greater.
13813 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
13814 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
13816 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13818 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
13820 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13822 PR rtl-optimization/26235
13823 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
13824 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
13827 2006-02-13 Jeff Law <law@redhat.com>
13829 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
13832 2006-02-13 Jakub Jelinek <jakub@redhat.com>
13834 PR middle-end/26092
13835 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
13836 twice if decl is a builtin. When trying again, call get_callee_fndecl
13837 first to verify it is still a builtin.
13839 2006-02-13 Geoffrey Keating <geoffk@apple.com>
13841 * dwarf2out.c (base_type_die): Don't add AT_name here.
13842 (subrange_type_die): Don't add AT_name here.
13843 (modified_type_die): Rearrange code flow. Do add AT_name here.
13845 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
13847 PR rtl-optimization/26247
13848 PR rtl-optimization/26248
13849 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
13851 2006-02-13 Richard Sandiford <richard@codesourcery.com>
13853 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
13854 * config/fixtfdi.c: Likewise.
13855 * config/fixunstfdi.c: Likewise.
13856 * config/floatditf.c: Likewise.
13858 2006-02-13 Roger Sayle <roger@eyesopen.com>
13860 PR middle-end/24427
13861 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
13862 into (X,C2) if C1 is a subset of the bits of C2. Transform
13863 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
13865 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
13867 2006-02-13 Josh Conner <jconner@apple.com>
13870 * varasm.c (function_section): Check for section name before
13871 calling select_section on targets that define
13872 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
13873 unlikely_text_section instead of hot_function_section if
13874 first_function_block_is_cold.
13876 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
13878 PR middle-end/25335
13879 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
13881 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13883 PR rtl-optimization/26222
13884 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
13885 after tree->rtl expansion.
13886 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
13887 before passing it to emit_move_insn.
13889 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
13891 * doc/invoke.texi (-Write-strings): Document that it is enabled by
13893 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
13894 Clarify documentation.
13895 * c-common.h (warn_write_strings): Remove.
13896 * c-common.c (warn_write_strings): Likewise.
13897 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
13900 2006-02-12 Roger Sayle <roger@eyesopen.com>
13902 PR middle-end/25724
13903 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
13904 (do_jump_parts_zero_rtx): New function renamed from
13905 do_jump_parts_equality_rtx. Made static. Add a mode argument.
13906 (do_jump_parts_equality_rtx): New function split out from
13907 do_jump_parts_equality. Old implementation renamed as above.
13908 Call do_jump_parts_zero_rtx if either operand is zero.
13909 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
13910 do all of the heavy lifting.
13911 (do_compare_rtx_and_jump): Handle multi-word comparisons by
13912 calling either do_jump_by_parts_greater_rtx or
13913 do_jump_by_parts_equality_rtx.
13914 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
13915 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
13916 moved to do_compare_rtx_and_jump, call it directly.
13917 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
13918 mode argument. Call do_compare_rtx_and_jump.
13919 (emit_case_nodes): Update calls to do_jump_if_equal.
13921 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13923 PR rtl-optimization/26225
13924 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
13926 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
13928 PR rtl-optimization/26232
13929 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
13931 2006-02-11 Jason Merrill <jason@redhat.com>
13934 * tree-inline.c (declare_return_variable): Just don't use the
13935 modify target if it's a gimple complex reg and the return slot
13938 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13940 * doc/contrib.texi: Update my entry.
13942 2006-02-10 Geoffrey Keating <geoffk@apple.com>
13944 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
13946 2006-02-10 Diego Novillo <dnovillo@redhat.com>
13948 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
13951 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
13953 * doc/invoke.texi (-floop-optimize2): Removed.
13954 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
13955 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
13956 Test flag_branch_on_count_reg only if HAVE_doloop_end.
13957 * common.opt (floop-optimize2): Removed.
13958 (fmove-loop-invariants): Enabled by default.
13960 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
13962 * tree-if-conv.c (combine_blocks): Free the result of
13963 get_loop_exit_edges.
13965 2006-02-10 Jeff Law <law@redhat.com>
13967 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
13969 PR tree-optimization/26213
13970 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
13971 loop trying to follow SSA_NAME_VALUE chains.
13973 2006-02-10 Richard Guenther <rguenther@suse.de>
13975 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
13976 deal with structures that end in implicitly variable sized arrays.
13978 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13980 PR rtl-optimization/24762
13981 * df-scan.c (df_bb_refs_record): Record correct registers defined on
13984 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
13986 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
13987 (struct ivopts_data): Add regs_used field.
13988 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
13989 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
13990 instead of loop_data->regs_used;
13991 (free_loop_data): Do not free aux fields for loops.
13992 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
13993 and tree_ssa_iv_optimize_finalize.
13995 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
13997 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
13999 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14002 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
14003 computing the effective result type.
14005 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
14007 PR inline-asm/16194
14008 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
14009 (tree_overlaps_hard_reg_set): Declare.
14010 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
14011 type and signature to match function type expected by walk_tree.
14012 (tree_overlaps_hard_reg_set): New function.
14013 (decl_conflicts_with_clobbers_p): Rename to:
14014 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
14015 Use tree_overlaps_hard_reg_set. Changed caller.
14016 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
14017 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
14018 * cris.c (cris_md_asm_clobbers): Likewise.
14020 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
14022 * reload1.c (emit_input_reload_insns): Delete code that tries to
14023 inherit using find_equiv_reg.
14025 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
14027 * c-common.h (flag_const_strings): Don't declare.
14028 * c-common.c (flag_const_strings): Remove.
14029 * c.opt (fconst_strings): Remove.
14030 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
14031 <OPT_Wwrite_strings>: Don't set flag_const_strings.
14032 (c_common_init_options): Don't set flag_const_strings.
14033 * doc/invoke.texi (-fno-const-strings): Remove documentation.
14035 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
14037 * arm.md (tlobits_cbranch): New pattern.
14038 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
14039 testing a single bit.
14041 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14044 * tree-ssa-pre.c (create_component_ref_by_pieces):
14045 Handle RETURN_DECL like VAR_DECL.
14047 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14049 PR middle-end/26134
14050 * fold-const.c (fold_indirect_ref_1): Fold
14051 "*(foo *)&complexfoo" to "__real__ complexfoo"
14052 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
14054 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
14056 * tree-flow-inline.h (var_can_have_subvars):
14057 Volatile variables should not have subvariables.
14059 2006-02-09 Diego Novillo <dnovillo@redhat.com>
14062 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
14063 multiplying unsigned values.
14066 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
14068 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
14070 2006-02-08 Jason Merrill <jason@redhat.com>
14073 * tree.def: Elaborate on difference from MODIFY_EXPR.
14074 * doc/c-tree.texi (INIT_EXPR): Likewise.
14075 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
14076 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
14077 (gimplify_target_expr): Likewise.
14078 (gimplify_cond_expr): Remove target handling.
14079 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
14080 (gimplify_expr): Clobber it here.
14081 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
14082 Do return slot optimization if we have an INIT_EXPR.
14085 * tree-inline.c (declare_return_variable): Also clear
14086 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
14089 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
14091 PR middle-end/22439
14092 * gimplify.c (gimplify_one_sizepos): Fix typo.
14094 2006-02-08 Jeff Law <law@redhat.com>
14096 PR tree-optimization/21417
14097 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
14098 across a backedge if the control statement at the end of the
14099 block is data dependent on other statements in the same block.
14100 (record_temporary_equivalences_from_stmts): Remove over-conservative
14101 test for threading across backedges.
14103 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
14104 control statement, handle all three special cases in the same
14105 manner as they all have the same desired solution. No longer
14106 special case edge flag updating when the post dominator is
14109 2006-02-08 Roger Sayle <roger@eyesopen.com>
14111 * tree.def (CHAR_TYPE): Remove.
14112 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
14113 * dwarf2out.c (base_type_die, is_base_type): Likewise.
14114 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
14115 (gen_string_type_die): Delete unreachable function.
14117 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
14118 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
14119 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
14120 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
14121 * builtins.c (type_to_class): Likewise.
14122 * fold-const.c (fold_convert, build_range_check,
14123 merge_ranges): Likewise.
14124 * expr.c (count_type_elements): Likewise.
14125 * c-pretty-print.c (pp_c_type_specifier): Likewise.
14126 * stor-layout.c (layout_type): Likewise.
14127 * ipa-type-escape.c (type_to_consider): Likewise.
14128 * gimplify.c (omp_firstprivatize_type_sizes,
14129 gimplify_type_sizes): Likewise.
14130 * explow.c (promote_mode): Likewise.
14131 * tree-sra.c (is_sra_scalar_type): Likewise.
14132 * varasm.c (output_constant): Likewise.
14133 * tree-inline.c (remap_type_1): Likewise.
14134 * convert.c (convert_to_pointer, convert_to_real,
14135 convert_to_integer, convert_to_complex): Likewise.
14137 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
14139 * df-scan.c (df_def_record_1): A set destination may
14140 be a parallel regardless of mode.
14142 2006-02-08 Roger Sayle <roger@eyesopen.com>
14145 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
14146 * config/mips/_tilib.c: Remove.
14147 * config/fixtfdi.c: New libgcc source file.
14148 * config/fixunstfdi.c: New source file.
14149 * config/floatditf.c: New source file.
14150 * config/floatunditf.c: New souce file.
14151 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
14152 files above instead of config/mips/_tilib.c.
14153 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
14155 2006-02-08 Jeff Law <law@redhat.com>
14157 PR tree-optimization/26169
14158 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
14161 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
14163 * df.h (DF_REG_SIZE): Return the length of the initialized
14166 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
14168 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
14169 __muldf3): Return a correctly signed zero.
14171 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
14173 * passes.c (register_one_dump_file): Accept the current properties
14174 instead of pass number. Adjust call to dump_register. Remove
14176 (register_dump_files): Now a wrapper around...
14177 (register_dump_files_1): ... this one. Do not modify the pass
14179 (next_pass_1): Cosmetic fix.
14180 (execute_todo): Keep second parameter only. Use curr_properties
14181 instead of fetching it from the pass structure. Check and set
14183 (execute_one_pass): Handle TODO_set_props. Use curr_properties
14184 instead of fetching it from the pass structure. Fix calls to
14185 execute_todo. Update curr_properties and initialize .vcg RTL dump
14186 after running the pass. Reset last_verified.
14187 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
14189 (FIRST_AUTO_NUMBERED_DUMP): New.
14190 (dump_register): Remove "num" parameter, assign it within the
14192 (get_dump_file_name): Modify template for dumps.
14193 * tree-dump.h (dump_register): Adjust prototype.
14194 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
14195 (PROP_trees): Add PROP_gimple_lomp.
14196 (TODO_set_props): New.
14197 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
14198 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
14199 * cfgexpand.c (pass_expand): Destroy PROP_trees.
14201 2006-02-08 Jakub Jelinek <jakub@redhat.com>
14203 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
14204 (sparc64-*-linux*): Likewise.
14205 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
14206 * config/sparc/t-linux: New file.
14207 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
14208 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
14209 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
14210 -m32 -mlong-double-128.
14212 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
14213 * config/alpha/t-linux: New file.
14214 * config/alpha/libgcc-alpha-ldbl.ver: New file.
14216 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
14217 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
14218 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
14219 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
14220 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
14221 (CPP_ARCH32_SPEC): Remove.
14223 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
14225 PR tree-optimization/26145
14226 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
14229 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14232 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
14233 >= 240000 when generating code for SOM runtime.
14234 (output_indirect_call): Don't use "b,l" instruction for indirect calls
14235 to $$dyncall when generating code for SOM runtime..
14237 2006-02-07 Dirk Mueller <dmueller@suse.com>
14240 * doc/invoke.texi (-Wsequence-point): Update documentation
14241 that -Wsequence-point is implemented for C++ as well.
14243 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14245 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
14246 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
14247 (LIB_SPEC): Likewise.
14248 * doc/invoke.texi (SPARC options): Document -pthread.
14250 2006-02-07 Geoffrey Keating <geoffk@apple.com>
14252 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
14255 2006-02-07 Roger Sayle <roger@eyesopen.com>
14257 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
14258 Correct comment describing BOOLEAN_TYPE.
14260 2006-02-07 Dirk Mueller <dmueller@suse.com>
14262 * c.opt: C++ frontend supports -Wdiv-by-zero.
14263 * c-opts.c (c_common_handle_option): Remove dead case.
14265 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14267 * configure.ac (TLS assembler check): Do not enable TLS by
14268 default on SPARC/Solaris before version 10.
14269 * configure: Regenerate.
14271 2006-02-07 David Edelsohn <edelsohn@gnu.org>
14273 * doc/invoke.texi (xl-compat): Document conversion and support
14276 2006-02-07 Jeff Law <law@redhat.com>
14278 * tree-vrp.c (find_conditional_asserts): Update comments.
14279 (simplify_stmt_for_jump_threading): New.
14280 (identify_jump_threads, finalize_jump_threads): New.
14281 (vrp_finalize): Call identify_jump_threads.
14282 (execute_vrp): Call finalize_jump_threads.
14283 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
14284 (vrp_element, vrp_data, vrp_element_p): Remove.
14285 (vrp_hash_elt, vrp_variables_stack): Remove.
14286 (vrp_hash, vrp_eq, record_range): Remove.
14287 (simplify_cond_and_lookup_avail_expr): Remove.
14288 (extract_range_from_cond): Remove.
14289 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
14290 (simplify_stmt_for_jump_threading): New.
14291 (dom_thread_across_edge): New wrapper.
14292 (tree_ssa_dominator_optimize): No longer initialize or
14293 finalize any of the VRP datastructures. Remove iteration
14294 step and simplify as a result of removal of iteration step.
14295 (pass_dominator): Perform a cfg cleanup after DOM.
14296 (dom_opt_finalize_block): Use the new common routines
14297 for threading jumps. Simplify stack management slightly.
14298 No longer need to unwind VRP state.
14299 (record_equivalences_from_incoming_edge): No longer record
14301 (eliminate_redundant_computations): No longer call
14302 simplify_cond_and_lookup_avail_expr.
14303 * tree-flow.h (potentially_threadable_block): Prototype.
14304 (thread_across_edge): Likewise.
14305 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
14306 (tree-ssa-threadedge.o): Add dependencies.
14307 * tree-ssa-threadedge.c: New file.
14308 * passes.c (init_optimization_passes): Merge PHIs before
14309 calling VRP. Run VRP again late in the SSA optimization pipeline.
14311 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
14313 * df-core.c (df_set_blocks): Do not dereference function pointers.
14314 (df_finish1): Likewise.
14315 (df_hybrid_search_forward): Likewise.
14316 (df_hybrid_search_backward): Likewise.
14317 (df_iterative_dataflow): Likewise.
14318 (df_analyze_problem): Likewise.
14319 (df_compact_blocks): Likewise.
14320 (df_dump): Likewise.
14321 * df-scan.c (df_rescan_blocks): Likewise.
14322 (df_record_entry_block_defs): Likewise.
14324 * genconditions.c (write_conditions): Guard the definition of
14325 'insn_conditions' with the check on GCC version.
14326 (write_writer): Guard the traversal 'insn_conditions' with
14327 the check on GCC version.
14329 2006-02-07 Richard Guenther <rguenther@suse.de>
14333 2006-01-30 Richard Guenther <rguenther@suse.de>
14335 * gimplify.c (gimplify_target_expr): Handle easy cases
14336 without creating a temporary.
14338 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
14340 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
14341 use of float in probability computations. Use edge probabilities
14342 in place of statically computed probabilities.
14343 (min_spec_prob): New static variable.
14344 (schedule_insns): Initialize it.
14345 (GET_SRC_PROB): Removed.
14346 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
14348 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
14351 * config/ia64/unwind-ia64.c: Revert last change.
14352 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
14353 (INCOMING_FRAME_SP_OFFSET): Define.
14355 2006-02-06 Roger Sayle <roger@eyesopen.com>
14357 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
14359 2006-02-07 Ben Elliston <bje@au.ibm.com>
14361 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
14362 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
14363 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
14364 (ix86_return_in_memory): Handle TDmode.
14365 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
14366 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
14368 2006-02-06 Richard Sandiford <richard@codesourcery.com>
14370 * reorg.c (dbr_schedule): Use dump_file instead of file.
14372 2006-02-06 Steve Ellcey <sje@cup.hp.com>
14375 * config/ia64/predicates.md (extr_len_operand): New predicate.
14376 * config/ia64/ia64.md (extv): Tighten constraints.
14378 (*tbit_and_2): Ditto.
14379 (*tbit_and_3): Ditto.
14380 (*tbit_or_2): Ditto.
14381 (*tbit_or_3): Ditto.
14382 (*bit_zero): Ditto.
14385 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
14388 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
14390 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14392 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
14393 loop_optimizer_init and loop_optimizer_finalize
14394 * tree-ssa-sink.c (execute_sink_code): Ditto.
14395 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14396 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
14397 tree_ssa_loop_done): Ditto.
14398 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
14399 * sched-ebb.c: Include output.h.
14400 (schedule_ebbs): Do not use dump argument.
14401 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
14402 * loop.c (loop_dump_stream): Removed.
14403 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
14405 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
14406 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
14407 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
14408 loop_iterations, strength_reduce, record_biv, record_giv,
14409 final_giv_value, check_final_value, check_ext_dependent_givs,
14410 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
14411 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
14412 dump_file instead of loop_dump_stream.
14413 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
14414 argument dump_file.
14415 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
14417 * flow.c (life_analysis, rest_of_handle_life): Ditto.
14418 * haifa-sched.c: Include output.h
14419 (schedule_insns, sched_init): Do not use dump argument.
14420 * mode-switching.c (optimize_mode_switching): Ditto.
14421 * modulo-sched.c (stats_file): Removed.
14422 (print_node_sched_params): Do not call argument dump_file.
14423 (sms_schedule_by_order, loop_canon_p, sms_schedule,
14424 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
14426 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
14428 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
14429 rtl_loop_init, rtl_loop_done): Ditto.
14430 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
14431 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
14433 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
14434 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
14435 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
14436 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
14437 * emit-rtl.c (renumber_insns): Ditto.
14438 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
14439 expand_gimple_basic_block, tree_expand_cfg): Ditto.
14440 * regclass.c (regclass): Ditto.
14441 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
14442 remove_ssa_form, rewrite_out_of_ssa): Ditto.
14443 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
14444 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
14446 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
14447 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
14449 * gcse.c (gcse_file, debug_stderr): Removed.
14450 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
14451 rest_of_handle_gcse): Do not use dump argument.
14452 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
14453 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
14454 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
14455 compute_code_hoist_vbeinout, compute_code_hoist_data,
14456 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
14457 compute_store_table, build_store_vectors, insert_insn_start_bb,
14458 insert_store, remove_reachable_equiv_notes, replace_store_insn,
14459 store_motion): Use dump_file instead of gcse_file.
14460 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
14461 * profile.c (profile_dump_file): Removed.
14462 (branch_prob): Use dump_file instead of profile_dump_file.
14463 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
14465 * tree-ssa-copy.c (dump_copy_of): Ditto.
14466 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
14467 dump file to life_analysis.
14468 * bt-load.c (branch_target_load_optimize): Ditto.
14469 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
14471 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
14472 regclass, dbr_schedule): Declaration changed.
14473 * sched-int.h (sched_init): Declaration changed.
14474 * tree-profile.c (tree_profile_dump_file): Removed.
14475 (tree_profile_hooks): Removed profile_dump_file hook.
14476 * rtl-profile (rtl_profile_dump_file): Removed.
14477 (rtl_profile_hooks): emoved profile_dump_file hook.
14478 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
14480 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
14481 * tree-cfg.c (build_tree_cfg): Ditto.
14482 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
14483 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
14484 Declaration changed.
14485 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
14486 life_analysis and schedule_insns.
14487 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
14489 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
14491 * config/mips/mips.c (mips_reorg): Ditto.
14492 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
14495 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
14497 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14498 (s390_mangle_fundamental_type): New.
14499 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14502 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14503 (alpha_mangle_fundamental_type): New.
14504 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14507 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14509 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14511 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
14512 (sparc_mangle_fundamental_type): New.
14514 2006-02-06 Jakub Jelinek <jakub@redhat.com>
14516 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
14517 (s390x-*-linux*): Likewise.
14518 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
14519 * config/s390/t-linux: New file.
14521 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14523 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
14524 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
14526 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
14528 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
14529 (ANTIC_SAFE_LOADS): New macro.
14530 (find_or_generate_expression): Add prototype.
14531 (set_contains_value): Allow null set for sake of not always having
14532 to allocate ANTIC_SAFE_LOADS.
14533 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
14534 Allow COMPONENT_REF too.
14535 (valid_in_set): Allow COMPONENT_REF.
14536 Check ANTIC_SAFE_LOADS too.
14537 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
14538 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
14540 (can_PRE_operation): Add COMPONENT_REF.
14541 (create_component_ref_by_pieces): New function.
14542 (create_expression_by_pieces): Use create_component_ref_by_pieces.
14543 (insert_aux): Move AGGREGATE_TYPE_P check here.
14544 (compute_avail): Set bb local stmt uids.
14545 (pass_pre): Use TODO_update_ssa_only_virtuals.
14547 2006-02-06 Ben Elliston <bje@au.ibm.com>
14549 * configure.ac: Unconditionally disable decimal float by default.
14550 * configure: Regenerate.
14552 2006-02-06 Ben Elliston <bje@au.ibm.com>
14554 * read-rtl.c (read_name): Terminate reading on EOF.
14556 2006-02-06 Ben Elliston <bje@au.ibm.com>
14558 * dfp.c (decimal_real_arithmetic): Change second argument type
14559 from int to enum tree_code. Do not always return true, but now
14560 return result of any call to decimal_do helper functions.
14561 * dfp.h (decimal_real_arithmetic): Update prototype.
14563 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
14565 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
14567 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
14570 * tree-cfg.c (cleanup_dead_labels): Also don't remove
14573 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14575 * tree-vrp.c (cfg_loops): Removed.
14576 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
14577 Use current_loops instead of cfg_loops. Pass flags to
14578 loop_optimizer_init.
14579 * cfgloopmanip.c (fix_loop_structure): Update only available
14581 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
14582 loop_optimizer_init.
14583 * modulo-sched.c (build_loops_structure): Removed.
14584 (sms_schedule): Use loop_optimizer_init.
14585 * loop-init.c (loop_optimizer_init): Use flags to determine
14586 which properties of loops to prepare.
14587 (rtl_loop_init): Pass flags to loop_optimizer_init.
14588 * tree-ssa-sink.c (execute_sink_code): Ditto.
14589 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
14590 * tree-ssa-pre.c (init_pre): Ditto.
14591 * cfgloop.h (LOOPS_NORMAL): New.
14592 (loop_optimizer_init): Declaration changed.
14594 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14596 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
14597 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
14599 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
14601 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
14603 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
14604 * pa/t-pa64: Delete quadlib.c rule.
14605 * pa/x-ada: Revert last change.
14606 * pa/t-pa: Revert last change. Delete quadlib.c rule.
14608 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
14610 PR rtl-optimization/26087
14611 * rtlanal.c (canonicalize_condition): Do not cross basic block
14614 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
14617 * config/ia64/ia64.c: Include debug.h.
14618 (MAX_ARTIFICIAL_LABEL_BYTES): New.
14619 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
14620 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
14621 (process_epilogue, process_set, process_for_unwind_directive):
14622 Output unwind info only if requested. Add CFA info if requested.
14623 Add new arguments as needed. Adjust callers.
14624 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
14626 (DWARF2_FRAME_INFO): Define to zero.
14627 * config/ia64/unwind-ia64.c: Remove code that compensated for
14628 the CFA offset error fixed above.
14629 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
14630 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
14631 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
14632 -funwind-tables and -fexceptions to enable frame info.
14633 (dwarf2out_frame_init): Define initial CFA even if
14634 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
14635 DWARF2_UNWIND_INFO is nonzero, not just defined.
14636 (dwarf2out_frame_finish): Output non-EH call frame info only
14637 if DWARF2_FRAME_INFO is nonzero.
14638 (convert_cfa_to_loc_list,
14639 compute_frame_pointer_to_cfa_displacement): Define even if
14640 unwind info is not supported.
14641 (gen_subprogram_die): Use the above unconditionally. Remove
14642 legacy alternate code.
14643 * toplev.c (compile_file): Compile in call to
14644 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
14645 (lang_dependent_init): Ditto for dwarf2out_frame_init.
14647 2006-02-04 David Edelsohn <edelsohn@gnu.org>
14648 Jakub Jelinek <jakub@redhat.com>
14650 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
14651 IBM extended float format long double as "g" on powerpc*-linux.
14653 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14656 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
14657 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
14659 2006-02-03 Jason Merrill <jason@redhat.com>
14662 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
14664 PR middle-end/25977
14665 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
14666 on the return slot if it's an NRV.
14668 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
14670 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
14671 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
14672 rewrite_use): Do not handle USE_OUTER.
14673 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
14674 add_iv_outer_candidates, may_replace_final_value,
14675 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
14676 (find_interesting_uses_op): Functionality of
14677 find_interesting_uses_outer_or_nonlin moved here.
14678 (find_interesting_uses_outside): Use find_interesting_uses_op.
14680 2006-02-03 Alan Modra <amodra@bigpond.net.au>
14683 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
14685 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
14686 Ulrich Weigand <uweigand@de.ibm.com>
14689 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
14690 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
14691 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
14692 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
14694 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
14695 (s390_rtx_costs): Use the new fields to calculate rtx costs.
14696 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
14697 Define secondary reloads for TFmode moves.
14698 (constant_modes): Add TFmode.
14699 (NR_C_MODES): Set to 8.
14700 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
14702 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
14703 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
14704 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
14705 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
14706 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
14707 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
14708 (FPR mode macro): Add TFmode.
14709 (DSF mode macro): New.
14710 (<de>, <dee> mode attributes): Removed.
14711 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
14712 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
14713 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
14714 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
14715 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
14716 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
14717 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
14718 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
14719 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
14720 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
14721 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
14722 "*negabs<mode>2", "sqrt<mode>2"):
14723 Changed <de> to <xde>. R constraint replaced by <Rf>.
14724 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
14726 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
14727 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
14728 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
14730 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
14731 "extenddftf2", "extendsftf2"): New expanders.
14732 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
14733 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
14734 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
14735 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
14737 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
14738 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
14739 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
14740 __floatditf): Add a GCC_4.1.0 symbol version tag.
14741 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
14744 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
14747 * config/i386/i386.c (ix86_function_ok_for_sibcall):
14748 Use targetm.binds_local_p instead of TREE_PUBLIC.
14750 2006-02-02 Roger Sayle <roger@eyesopen.com>
14752 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
14753 on INTEGER_TYPEs to indicate that it denotes a character type.
14754 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
14755 signed_char_type_node, unsigned_char_type_node and char_type_node.
14756 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
14757 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
14758 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
14760 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
14761 Daniel Berlin <dberlin@dberlin.org>
14763 * tree-tailcall.c (arg_needs_copy_p): New function.
14764 (eliminate_tail_call): Use arg_needs_copy_p.
14765 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
14766 (add_virtual_phis): New function.
14768 2006-02-02 Jakub Jelinek <jakub@redhat.com>
14770 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
14771 #ignore instead of #scratch for %g7 .register directive.
14773 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
14775 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
14778 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
14780 * flow.c (calculate_global_regs_live): Assert that there aren't any
14783 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
14785 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
14786 what its name says.
14787 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
14788 bsi_after_labels iterator.
14789 * tree-if-conv.c (find_phi_replacement_condition,
14790 replace_phi_with_cond_modify_expr): Likewise.
14791 * tree-scalar-evolution.c (scev_const_prop): Likewise.
14792 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
14794 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14796 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
14798 2006-02-02 Diego Novillo <dnovillo@redhat.com>
14801 * tree-cfg.c (move_block_to_fn): Clear out the basic block
14802 array after growing it.
14804 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14806 PR middle-end/24901
14807 * fold-const.c (fold_checksum_tree): Change type of buf.
14809 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
14811 * reload.c (push_secondary_reload): Initialize t_icode.
14813 2006-02-01 Jakub Jelinek <jakub@redhat.com>
14815 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
14816 -msoft-float -mlong-double-128 only issue a warning, but don't
14817 swich to DFmode long double.
14819 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
14821 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
14822 has a constant equivalent, iterate over equivalents for arg0,
14823 calling simplify_relational_operation and if there's a result
14824 cheaper than X, apply fold_rtx and return the result.
14826 2006-02-01 Jan Hubicka <jh@suse.cz>
14828 * opts.c (no_unit_at_a_time_default): New global variable.
14829 (decode_options): Use it.
14830 * opts.h (no_unit_at_a_time_default): Declare.
14832 2006-02-01 Paul Brook <paul@codesourcery.com>
14834 * function.c (assign_parm_setup_reg): Use function argument promotion
14836 * expr.c (expand_expr_real_1): Use function argument promotion rules
14839 2006-02-01 Steve Ellcey <sje@cup.hp.com>
14841 * gcc.c (process_command): Change j to 'unsigned int'.
14843 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14845 PR middle-end/26001
14846 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
14847 Use the corrected index for the character
14848 out of the string constant.
14850 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14852 * mode-switching.c (optimize_mode_switching): Fix size
14853 allocated for bb_info[n_entities].
14855 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
14857 * gcc.c (main): Correct type that is allocated for
14858 explicit_link_files.
14860 2006-01-31 Jakub Jelinek <jakub@redhat.com>
14862 * config/s390/s390.c (init_alignment_context): Set
14863 ALIAS_SET_MEMORY_BARRIER on the MEM.
14864 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
14866 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
14868 PR middle-end/25933
14869 * loop-unroll.c (unroll_loop_runtime_iterations): Free
14871 * tree-ssa-live.c (type_var_init): Allocate bitmap after
14874 2006-01-31 Marcin Dalecki <martin@dalecki.de>
14876 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
14877 * regrename.c: Ditto.
14878 * tree-ssa-loop-im.c: Ditto.
14879 * tree-dump.c: Ditto.
14880 * tree-complex.c: Ditto.
14881 * genrecog.c: Ditto.
14882 * tree-ssa-threadupdate.c: Ditto.
14884 * java/class.c: Ditto.
14885 * java/jcf-parse.c: Ditto.
14886 * java/resource.c: Ditto.
14887 * java/except.c: Ditto.
14888 * java/jvspec.c: Ditto.
14889 * java/jcf-write.c: Ditto.
14890 * java/jcf-path.c: Ditto.
14891 * java/gjavah.c: Ditto.
14892 * java/zextract.c: Ditto.
14893 * java/jcf-io.c: Ditto.
14894 * java/jcf.h: Ditto.
14895 * java/buffer.c: Ditto.
14896 * java/lang.c: Ditto.
14897 * java/parse-scan.y: Ditto.
14898 * java/lex.c: Ditto.
14899 * java/lex.h: Ditto.
14900 * cfgloopmanip.c: Ditto.
14901 * postreload-gcse.c: Ditto.
14902 * tree-ssa-loop-manip.c: Ditto.
14903 * postreload.c: Ditto.
14904 * tree-ssa-loop-ch.c: Ditto.
14907 * cppspec.c: Ditto.
14908 * diagnostic.c: Ditto.
14910 * genoutput.c: Ditto.
14912 * cfghooks.c: Ditto.
14913 * cfgloopanal.c: Ditto.
14914 * objc/objc-act.c: Ditto.
14916 * genextract.c: Ditto.
14917 * genautomata.c: Ditto.
14918 * pretty-print.c: Ditto.
14919 * genemit.c: Ditto.
14920 * cgraphunit.c: Ditto.
14922 * df-scan.c: Ditto.
14923 * haifa-sched.c: Ditto.
14924 * dominance.c: Ditto.
14926 * tree-ssa-loop-ivopts.c: Ditto.
14927 * df-core.c: Ditto.
14928 * mode-switching.c: Ditto.
14929 * modulo-sched.c: Ditto.
14931 * ipa-pure-const.c: Ditto.
14933 * fix-header.c: Ditto.
14935 * tree-stdarg.c: Ditto.
14936 * ipa-utils.c: Ditto.
14937 * loop-init.c: Ditto.
14938 * ipa-inline.c: Ditto.
14939 * cfganal.c: Ditto.
14941 * alloc-pool.c: Ditto.
14942 * dwarf2out.c: Ditto.
14944 * genattrtab.c: Ditto.
14945 * tree-ssa-loop-ivcanon.c: Ditto.
14946 * predict.c: Ditto.
14947 * timevar.c: Ditto.
14949 * fortran/gfortranspec.c: Ditto.
14950 * regmove.c: Ditto.
14951 * local-alloc.c: Ditto.
14952 * langhooks.c: Ditto.
14953 * function.c: Ditto.
14954 * tree-vectorizer.c: Ditto.
14956 * ipa-type-escape.c: Ditto.
14958 * tree-if-conv.c: Ditto.
14959 * profile.c: Ditto.
14961 * tree-data-ref.c: Ditto.
14962 * loop-unroll.c: Ditto.
14963 * treelang/treetree.c: Ditto.
14965 * bt-load.c: Ditto.
14966 * ggc-common.c: Ditto.
14968 * coverage.c: Ditto.
14970 * tree-cfgcleanup.c: Ditto.
14971 * tree-ssa-pre.c: Ditto.
14972 * cfgcleanup.c: Ditto.
14973 * loop-invariant.c: Ditto.
14974 * loop-iv.c: Ditto.
14975 * ipa-prop.c: Ditto.
14976 * print-tree.c: Ditto.
14977 * conflict.c: Ditto.
14978 * ggc-page.c: Ditto.
14979 * sched-deps.c: Ditto.
14980 * regclass.c: Ditto.
14981 * tree-object-size.c: Ditto.
14982 * combine.c: Ditto.
14983 * bb-reorder.c: Ditto.
14984 * resource.c: Ditto.
14985 * var-tracking.c: Ditto.
14986 * cfgloop.c: Ditto.
14987 * df-problems.c: Ditto.
14988 * reg-stack.c: Ditto.
14990 * gccspec.c: Ditto.
14991 * sched-rgn.c: Ditto.
14992 * tree-ssa-structalias.c: Ditto.
14993 * tree-ssa-reassoc.c: Ditto.
14994 * config/darwin-c.c: Ditto.
14995 * config/darwin.c: Ditto.
14996 * config/arm/arm.c: Ditto.
14998 * collect2.c: Ditto.
14999 * reload1.c: Ditto.
15001 2006-01-31 Nicolas Pitre <nico@cam.org>
15003 * arm.md (smaxsi3): Make aware of smax_m1.
15006 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
15008 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
15010 2006-01-31 Richard Guenther <rguenther@suse.de>
15012 * doc/invoke.texi (-msselibm): Document.
15013 * target.h (expand_library_builtin): New target hook.
15014 * builtins.c (expand_builtin): Use expand_library_builtin.
15015 (default_expand_library_builtin): New function.
15016 * gcc.c (LINK_GCC_MATH_SPEC): Define.
15017 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
15018 (link_gcc_math_spec): Declare.
15019 (static_specs): Add link_gcc_math_spec.
15020 * expr.h (default_expand_library_builtin): Declare.
15021 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15022 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
15023 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
15024 * config/i386/i386.opt (msselibm): New target option.
15025 * config/i386/i386.c (ix86_builtin_function_variants): New array.
15026 (ix86_init_sse_abi_builtins): New function.
15027 (ix86_expand_library_builtin): Likewise.
15028 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
15029 (override_options): Handle error conditions wrt -msselibm.
15030 (ix86_builtins): Add function codes for SSE2 ABI builtins.
15031 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
15032 * doc/extend.texi (__builtin_sse2_*): Document new target specific
15035 2006-01-31 Richard Guenther <rguenther@suse.de>
15036 Paolo Bonzini <bonzini@gnu.org>
15038 * doc/install.texi (--disable-libgcc-math): Document.
15040 2006-01-30 Marcin Dalecki <martin@dalecki.de>
15042 * expr.h (expand_normal): new inline function.
15043 * builtins.c: use it, use EXPAND_NORMAL explicitely.
15044 * dojump.c: use it.
15045 * dwarf2out.c: use it.
15048 * expmed.c: use it.
15049 * except.c: use it.
15050 * config/sparc/sparc.c: use it.
15051 * config/i386/i386.c: use it.
15052 * config/rs6000/rs6000.c: use it.
15053 * config/arm/arm.c: use it.
15054 * config/mips/mips.c: use it.
15055 * stmt.c: use it, use EXPAND_NORMAL explicitely.
15057 2006-01-30 Roger Sayle <roger@eyesopen.com>
15059 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
15060 argv to the appropriate type.
15062 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
15064 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
15067 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
15070 * config/s390/s390.c (struct machine_function): New flag
15071 decomposed_literal_pool_addresses_ok_p.
15072 (s390_reorg): Set it before final stage of literal pool transforms.
15073 (s390_decompose_address): Only accept displacements of the form
15074 (minus (label_ref ...) (label_ref ...)) if that flag is set.
15076 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
15078 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
15079 the comparison routine return.
15081 2006-01-30 Michael Matz <matz@suse.de>
15083 * global.c (find_reg): Only evict for global regs.
15084 Take n_refs into account and dump more info.
15086 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
15089 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
15090 (pragma_trap, pragma_nosave_low_regs): Likewise.
15091 (current_function_anonymous_args): Likewise.
15092 (sh_deferred_function_attributes): New variable.
15093 (sh_deferred_function_attributes_tail): Likewise.
15094 (print_operand): For '@', look up trap_exit attribute.
15095 (calc_live_regs): Look up trapa_handler attribute. For trapa
15096 handlers, save/restore fpscr, but don't do any other
15097 interrupt-specific saves.
15098 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
15099 Fix check for partially saved registers to check for SHmedia.
15100 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
15101 (sh_output_function_epilogue): Don't clear any of the removed
15103 (sh_insert_attributes): Don't check pragma_interrupt.
15104 Insert deferred attributes. Check that interrupt attribute is
15105 present for other attributes that require its presence.
15106 (sh_attribute_table): Add new attributes trapa_handler and
15108 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
15109 Don't check for pragma_interrupt. Don't store argument.
15110 * sh.h (pragma_interrupt, sp_switch): Don't declare.
15111 (sh_deferred_function_attributes): Declare.
15112 (sh_deferred_function_attributes_tail): Likewise.
15113 * sh.md (sp_switch_1): Add operand. Change generator caller.
15114 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
15115 (*return_i): Don't use when trap_exit attribute is in effect.
15116 (*return_trapa): New insn pattern.
15117 * sh-c.c: New file.
15118 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
15119 setting c_target_objs and cxx_target_objs.
15120 * t-sh: Add rule for sh-c.o.
15122 2006-01-30 Richard Guenther <rguenther@suse.de>
15125 * gimplify.c (gimplify_target_expr): Handle easy cases
15126 without creating a temporary.
15128 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
15130 * vec.h (safe_grow): Remove duplicated line.
15132 2006-01-29 Diego Novillo <dnovillo@redhat.com>
15135 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
15136 (expand_omp): ... here.
15137 (expand_omp_parallel): Only remove barriers for combined
15138 parallel+workshare constructs.
15140 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
15144 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
15145 * tree.c (build_qualified_type): Chain the new type to the original
15146 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
15147 a POINTER_TYPE or a REFERENCE_TYPE respectively.
15148 (build_pointer_type_for_mode): Only return unqualified types.
15149 (build_reference_type_for_mode): Likewise.
15151 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
15153 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
15154 * Makefile.in (CXX_COMPAT_WARN): Define.
15155 * configure: Regenerate.
15157 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
15160 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
15163 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15165 * toplev.c: Fix thinko.
15167 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15168 Marcin Dalecki <martin@dalecki.de>
15170 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
15171 (push_srcloc): Use XNEW.
15172 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
15174 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
15176 * df-core.c (df_set_blocks): Deleted all variable.
15178 2006-01-28 Ian Lance Taylor <ian@airs.com>
15180 * cgraphunit.c (cgraph_assemble_pending_functions): Call
15181 cgraph_output_pending_asms.
15183 2006-01-28 Zack Weinberg <zackw@panix.com>
15185 * c.opt: Add -W(no-)overlength-strings.
15186 * doc/invoke.texi: Document it.
15187 * c-opts.c (c_common_handle_option): -pedantic implies
15188 -Woverlength-strings, if not explicitly disabled already.
15189 (c_common_post_options): -Woverlength-strings defaults to off, and
15190 is always off for C++.
15191 * c-common.c (fix_string_type): Issue warning about strings longer
15192 than is portable only if warn_overlength_strings. Rearrange code
15193 a little for clarity.
15194 * configure.in: Check for -Wno-overlength-strings as well before
15195 enabling -pedantic in stage 1.
15196 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
15197 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
15199 * genconditions.c (write_header, write_one_condition)
15200 (write_conditions, write_writer): Consolidate very long strings
15201 that were broken up to fit in C89 portable limit. Don't use
15202 printf when fputs will do.
15204 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
15206 * combine.c (simplify_comparison <AND>): Check
15207 TRULY_NOOP_TRUNCATION before start using a subreg.
15209 * config/mips/mips.md (*branch_zero<mode>,
15210 *branch_zero<mode>_inverted, *branch_equality<mode>,
15211 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
15212 Remove mode check from comparisons.
15214 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
15216 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
15218 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15220 * expmed.c (const_mult_add_overflow_p): Remove.
15221 * expr.h: Remove the prototype for const_mult_add_overflow_p.
15223 * recog.c (validate_replace_rtx_subexp): Remove.
15224 * recog.h: Remove the prototype for
15225 validate_replace_rtx_subexp.
15227 * integrate.h: Remove the prototype for
15228 copy_decl_for_inlining.
15229 * rtl.h: Remove the prototype for mark_constant_function.
15230 * tree-vectorizer.h: Remove the prototype for
15231 vect_strip_conversion.
15233 * modulo-sched.c (create_partial_schedule,
15234 free_partial_schedule, reset_partial_schedule): Make them
15237 * hooks.c (hook_bool_rtx_int_false): Remove.
15238 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
15240 2006-01-28 David Edelsohn <edelsohn@gnu.org>
15242 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15243 and -mlong-double-128 are incompatible.
15244 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
15245 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
15246 (TARGET_LIBGCC2_CFLAGS): Define.
15247 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
15248 (TARGET_LIBGCC2_CFLAGS): Same.
15249 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
15251 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
15254 * c-typeck.c (build_binary_op): Perform implicit casts of
15255 operands before shortening them.
15257 * cfgloopmanip.c (split_loop_bb): Remove.
15258 * cfgloop.h: Remove the prototype for split_loop_bb.
15260 * cfgloop.c (flow_loop_outside_edge_p): Remove.
15261 * cfgloop.h: Remove the prototype for
15262 flow_loop_outside_edge_p.
15264 * emit-rtl.c (init_virtual_regs): Make it static.
15265 * function.h: Remove the prototype for init_virtual_regs.
15267 * recog.c (peephole2_optimize): Make it static.
15268 * recog.h: Remove the prototype for peephole2_optimize.
15270 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15272 * df-scan.c (df_record_entry_block_defs): Check if
15273 INCOMING_RETURN_ADDR_RTX is defined.
15275 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
15276 Kenneth Zadeck <zadeck@naturalbridge.com>
15278 PR rtl-optimization/24762
15279 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15280 * targhooks.c (hook_void_bitmap): New hook prototype.
15281 * targhoohs.h (hook_void_bitmap): Ditto.
15282 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
15283 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
15284 * target.h (live_on_entry): New function pointer.
15285 * df-scan.c (df_all_hard_regs): Removed.
15286 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
15287 (df_scan_free_internal): Added df->entry_block_defs.
15288 (df_scan_alloc): Ditto.
15289 (df_scan_dump): Ditto.
15290 (df_uses_record): Plumbed flag field properly thru calls.
15291 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
15292 This part fixes PR24762.
15293 (df_bb_refs_record): Added code to make the frame and arg
15294 pointers live in EH blocks.
15295 (df_refs_record): Added call to df_record_entry_block_defs.
15296 (df_record_entry_block_defs): New function.
15297 * df-core.c: Added comments to describe new artifical defs.
15298 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
15299 (entry_block_defs): New field in struct df.
15300 (df_all_hard_regs): Deleted.
15301 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
15302 * df-problems.c (df_ru_bb_local_compute_process_def):
15303 Added code to handle artifical defs in the entry to a function.
15304 (df_ru_bb_local_compute): Ditto.
15305 (df_rd_bb_local_compute_process_def): Ditto.
15306 (df_rd_bb_local_compute): Ditto.
15307 (df_lr_bb_local_compute): Ditto.
15308 (df_ur_bb_local_compute): Ditto.
15309 (df_urec_bb_local_compute): Ditto.
15310 (df_chain_create_bb): Ditto.
15311 (df_ur_local_finalize): Removed entry.
15312 (df_urec_init): Ditto.
15313 (df_urec_local_finalize): Ditto.
15314 (df_ri_bb_compute): Added detection of last use of pseudos.
15315 * Makefile.in (df-scan.o): Updated dependencies.
15316 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
15317 * config/mips/mips.c (mips_set_live_on_entry): Added.
15318 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
15320 * dce.c (marked_insn_p): Added code to handle artifical defs.
15322 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
15324 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
15326 (_mm_cvtsi128_si64): Likewise.
15327 (_mm_cvtsd_si64): Likewise.
15328 (_mm_cvttsd_si64): Likewise.
15329 (_mm_cvtsi64_sd): Likewise.
15330 (_mm_cvtsi64_si128): Likewise.
15331 * config/i386/mmintrin.h (_m_from_int64): Likewise.
15332 (_mm_cvtsi64_m64): Likewise.
15333 (_m_to_int64): Likewise.
15334 (_mm_cvtm64_si64): Likewise.
15335 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
15336 (_mm_cvttss_si64): Likewise.
15337 (_mm_cvtsi64_ss): Likewise.
15338 (_mm_cvtss_f32): Likewise.
15340 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
15342 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
15343 for pragma redefine_extname.
15345 2006-01-27 Jakub Jelinek <jakub@redhat.com>
15348 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
15349 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
15350 -mno-minimal-toc to previous content.
15351 (bispecs): Remove goal.
15352 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
15353 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
15354 compatibility aliases on powerpc-*-*gnu*.
15355 * config/rs6000/libgcc-ppc-glibc.ver: New file.
15356 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
15357 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
15358 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
15359 (ldblspecs): New goal.
15360 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
15361 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
15363 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
15364 L_sf_to_tf or L_df_to_tf is defined.
15366 2006-01-27 David Edelsohn <edelsohn@gnu.org>
15367 Alan Modra <amodra@bigpond.net.au>
15370 * config/rs6000/linux.h (POWERPC_LINUX): Define.
15371 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
15372 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
15373 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
15374 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
15375 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
15376 (rs6000_override_options): Initialize rs6000_ieeequad.
15377 Initialize TFmode format to ibm_extended_format if not
15379 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
15381 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
15382 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
15383 (function_arg_advance): IBM long double passed in two FPRs, not
15385 (function_arg): IBM long double passed in FPRs.
15386 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
15387 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
15388 Only multireg GPR aligned.
15389 (rs6000_init_libfuncs): Enable IBM long double functions if not
15391 (rs6000_generate_compare): Use IBM long double compare if not
15393 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
15394 (TARGET_IEEEQUAD): Define.
15395 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
15396 not TARGET_IEEEQUAD.
15397 * config/rs6000/rs6000.md: Enable TFmode patterns if
15399 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
15400 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
15401 and -mlong-double-128 are incompatible.
15402 * doc/invoke.texi (-mabi): Collect options together. Add
15403 ibmlongdouble and ieeelongdouble.
15405 2006-01-27 Richard Sandiford <richard@codesourcery.com>
15407 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
15409 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
15410 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
15411 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
15412 * rtl.h (rtunion_def): Remove rt_ptr.
15414 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
15415 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
15416 * config/i386/winnt.c (i386_pe_mark_dllexport)
15417 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
15419 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
15421 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
15423 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15427 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
15428 pthread_key_delete. From John David Anglin. gthrw-ify
15429 pthread_getunique_np only if it it's not a macro. Delete
15431 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
15432 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
15433 __gthread_objc_condition_signal, __gthread_key_delete): Add
15434 "__attribute__ ((__unused__))" to unused arguments.
15435 (__gthread_recursive_mutex_init_function): Add missing return.
15436 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
15437 gthr-posix95.h: Use macro-based approach for name redirection
15438 on targets missing weakref.
15440 2006-01-26 Zack Weinberg <zackw@panix.com>
15442 * genconditions.c (write_header): In generated code, #ifdef out
15443 all includes and fake declarations, except includes of bconfig.h
15444 and system.h, unless GCC_VERSION >= 3001. Do not include
15445 gensupport.h in any case.
15446 (write_conditions): Generate a definition of struct c_test. Add
15447 a comment to the generated #endif.
15448 (write_one_condition): Escape backslashes in string too.
15449 (write_writer): Generated code must escape backslashes and quote
15450 marks (but not newlines) in the strings it writes.
15451 * Makefile.in (build/gencondmd.o): Update dependencies.
15453 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15456 * Makefile.in (insn-automata.o): Add header file dependencies.
15457 * genautomata.c: Add includes.
15459 2006-01-26 Steve Ellcey <sje@cup.hp.com>
15462 * Makefile.in (insn-automata.o): Add -Wno-error flag.
15464 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15466 * configure.ac: Expect target tools paths to be passed from the toplevel
15467 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
15469 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
15471 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
15474 * c.opt (Wpointer-sign): Init to -1.
15475 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
15476 OPT_pedantic, to 0 otherwise.
15477 * doc/invoke.texi: Update.
15479 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
15481 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
15482 constants provided by 80387 instructions in the destination mode.
15484 2006-01-26 Richard Guenther <rguenther@suse.de>
15485 Andrew Pinski <pinskia@physics.uc.edu>
15488 partial PR tree-opt/17064
15489 * tree-ssa-structalias.c (intra_create_variable_infos):
15490 Create heap variables for incoming parameters if
15491 flag_argument_noalias > 1.
15492 (find_what_p_points_to): Look through default defs of
15495 2006-01-26 Jeff Law <law@redhat.com>
15498 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
15499 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
15500 within the VR_RANGE, use the VR_RANGE as the result, not the
15502 (adjust_range_with_scev): Reject ranges from SCEV which are out of
15503 bounds for the type.
15505 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
15507 * tree-ssa-alias.c (maybe_create_global_var): Change
15508 subvar walking to an assertion that we don't have subvar'd variables.
15510 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
15513 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
15514 Use a new variable, inner. PARM_DECLs are always non-weak.
15516 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
15518 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
15519 --disable-checking.
15521 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
15523 * config/mips/mips.md (*clear_upper32): New combiner pattern.
15525 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
15527 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
15528 (smax_insn, smin_insn, smax_0, smin_0): New.
15530 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
15533 * config/cris/cris.c (cris_order_for_addsi3): New function.
15534 * config/cris/cris-protos.h: Prototype it.
15535 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
15536 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
15537 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
15538 (split for "op.S1 [rx=rx+i],ry (swapped)")
15539 (split for "op(s|u).S1 [rx=rx+i],ry")
15540 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
15541 Apply cris_order_for_addsi3 when generating addsi3 insns.
15543 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15545 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
15546 (TREE_BLOCK): Add call to EXPR_CHECK.
15548 2006-01-25 Diego Novillo <dnovillo@redhat.com>
15551 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
15552 * tree-pretty-print.c (dump_omp_clause): Extract from ...
15553 (dump_omp_clauses): ... here.
15554 (dump_generic_node): Handle OMP_CLAUSE.
15555 * tree.c (omp_clause_num_ops): New.
15556 (omp_clause_code_name): New.
15557 (tree_code_size): Handle OMP_CLAUSE.
15558 (tree_size): Likewise.
15559 (make_node): Document handling of OMP_CLAUSE.
15560 (tree_node_structure): Handle OMP_CLAUSE.
15561 (omp_clause_check_failed): New.
15562 (omp_clause_range_check_failed): New.
15563 (omp_clause_operand_check_failed): New.
15564 (build_omp_clause): New.
15565 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
15566 * tree.h (enum omp_clause_code): Declare.
15567 (OMP_CLAUSE_SUBCODE_CHECK): Define.
15568 (OMP_CLAUSE_RANGE_CHECK): Define.
15569 (OMP_CLAUSE_ELT_CHECK): Define.
15570 (omp_clause_check_failed): Declare.
15571 (omp_clause_operand_check_failed): Declare.
15572 (omp_clause_range_check_failed): Declare.
15573 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
15574 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
15575 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
15576 (OMP_CLAUSE_LASTPRIVATE): Likewise.
15577 (OMP_CLAUSE_IF_EXPR): Likewise.
15578 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
15579 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
15580 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
15581 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
15582 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
15583 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
15584 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
15585 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
15586 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
15587 (OMP_CLAUSE_CODE): Define.
15588 (OMP_CLAUSE_SET_CODE): Define.
15589 (OMP_CLAUSE_CODE): Define.
15590 (OMP_CLAUSE_OPERAND): Define.
15591 (struct tree_omp_clause): Declare.
15592 (union tree_node): Add field 'omp_clause'.
15593 * treestruct.def (TS_OMP_CLAUSE): Define.
15594 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
15595 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
15596 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
15597 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
15598 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
15599 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
15600 (OMP_CLAUSE): Define.
15601 * print-tree.c (print_node): Handle OMP_CLAUSE.
15602 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
15603 * c-typeck.c: Likewise.
15604 * gimplify.c: Likewise.
15605 * c-omp.c: Likewise.
15606 * tree-nested.c: Likewise.
15607 * tree-inline.c: Likewise.
15608 * c-parser.c: Likewise.
15609 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
15612 2006-01-25 Roger Sayle <roger@eyesopen.com>
15614 PR rtl-optimization/25703
15615 * combine.c (try_combine): Handle zero_extract and strict_low_part
15616 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
15618 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
15620 * global.c: Fix comment typos.
15622 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
15625 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
15626 Use output_addr_const instead of assemble_name.
15628 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
15630 * Makefile.in (sched-vis.o): Update dependencies.
15631 * haifa-sched.c (sched_finish): Clear current_sched_info.
15632 * cfg.c (dump_bb_info): New, split from dump_flow_info.
15633 (dump_flow_info): Call it.
15634 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
15636 * basic-block.h (dump_bb_info): Declare.
15637 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
15638 option, and apply options only for dump files whose TDF_RTL,
15639 TDF_TREE, or TDF_IPA bits match.
15640 * rtl.h: Declare new functions exported from sched-vis.c.
15641 * sched-vis.c: Enable also if scheduling is not used.
15642 (print_value): Print the mode of registers if not inside scheduling.
15643 (print_insn): Make it work outside the scheduler. Beautify the output
15645 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
15647 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15649 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
15650 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
15651 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
15652 depending on the value of CONSTANT_POOL_ADDRESS_P.
15653 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
15655 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
15656 rather than SYMBOL_REF_DECL.
15657 (rtx_constant_pool): Remove const_rtx_sym_htab.
15658 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
15659 (init_varasm_status): Don't initialize const_rtx_sym_htab.
15660 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
15661 Remove handling of const_rtx_sym_htab.
15662 (find_pool_constant): Delete.
15663 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
15664 rather than find_pool_constant.
15665 (get_pool_constant_for_function): Delete.
15666 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
15667 find_pool_constant.
15668 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
15669 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
15670 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
15671 (SYMBOL_REF_CONSTANT): New macro.
15672 (get_pool_constant_for_function): Delete.
15673 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
15674 rather than SYMBOL_REF_DECL.
15675 (i386_pe_mark_dllimport): Likewise.
15676 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
15677 rather than SYMBOL_REF_DECL.
15678 * config/darwin.c (machopic_indirect_data_reference): Likewise.
15679 (machopic_indirect_call_target): Likewise.
15681 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
15683 * flow.c (delete_noop_moves): Add missing EOL to dump message.
15685 2006-01-25 Richard Sandiford <richard@codesourcery.com>
15687 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
15689 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
15691 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
15693 2006-01-24 David Daney <ddaney@avtrex.com>
15696 * configure.ac (enable_tls): New enable option.
15697 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
15698 * configure: Regenerate.
15699 * doc/install.texi (--enable-tls): Document new option.
15700 (--disable-tls): Ditto.
15702 2006-01-24 Richard Henderson <rth@redehat.com>
15704 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
15705 * alias.c (true_dependence): Respect it.
15706 (canon_true_dependence, write_dependence_p): Likewise.
15707 * builtins.c (get_builtin_sync_mem): Set it.
15709 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
15711 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
15714 2006-01-24 DJ Delorie <dj@redhat.com>
15716 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
15717 for storing constants in single-bit bitfields.
15719 2006-01-25 Ben Elliston <bje@au.ibm.com>
15721 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
15723 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
15726 * tree-ssa-pre.c (phi_translate): Return NULL
15727 for AGGREGATE_TYPE's.
15729 2006-01-24 Zack Weinberg <zackw@panix.com>
15731 * genautomata.c (process_state_for_insn_equiv_partition):
15732 Use xcalloc for insn_arcs_array.
15733 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
15734 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
15736 2006-01-24 Richard Henderson <rth@redhat.com>
15738 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
15739 update all callers.
15741 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
15743 PR rtl-optimization/25890
15744 PR rtl-optimization/25905
15745 * combine.c (expand_compound_operation, expand_field_assignment):
15746 Fail if the bitfield's final position is out of bounds.
15748 2006-01-24 Ian Lance Taylor <ian@airs.com>
15750 PR middle-end/25930
15751 * cgraphunit.c (cgraph_output_in_order): Don't clear
15752 cgraph_asm_nodes until after asm strings have been output.
15754 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
15756 * fix-header.c (read_scan_file): Add new parameter imultilib when
15757 calling register_include_chains.
15759 2006-01-23 Diego Novillo <dnovillo@redhat.com>
15761 * omp-low.c: Update documentation.
15763 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15764 Daniel Berlin <dberlin@dberlin.org>
15768 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
15769 return from the function.
15771 2006-01-22 Zack Weinberg <zackw@panix.com>
15773 * rtl.def (match_code): Add second argument.
15774 * genpreds.c (write_extract_subexp): New function.
15775 (write_match_code): Add path argument. Use write_extract_subexp.
15776 (write_predicate_expr): Pass path to write_match_code.
15777 (mark_mode_tests): MATCH_CODE applied to a subexpression does
15778 not perform a mode test.
15779 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
15780 a subexpression does not constrain the top-level code set.
15781 * read-rtl.c (read_rtx_variadic): New function.
15782 (read_rtx_1): Use it; allow AND and IOR to be variadic.
15783 * doc/md.texi: Document new notation.
15784 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
15785 (cmpsi_operand): ... here, using new notation.
15787 2006-01-22 Zack Weinberg <zackw@panix.com>
15789 * varray.c: Remove GENERATOR_FILE #ifdefs.
15791 2006-01-22 Zack Weinberg <zackw@panix.com>
15793 * genautomata.c (output_reserved_units_table): Emit nothing if
15794 description->query_units_num is zero. Remove extra blank line.
15795 (output_cpu_unit_reservation_p): Short circuit
15796 if description->query_units_num is zero.
15798 2006-01-22 Zack Weinberg <zackw@panix.com>
15800 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
15801 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
15802 nor any of the random handful of variables that used to be necessary
15803 when this program was linked with rtlanal.o. Prune set of forward
15804 function declarations.
15805 (struct attr_desc): Remove static_p field.
15806 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
15807 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
15808 (attr_string): Do not read the character one past the length of
15810 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
15811 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
15812 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
15813 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
15814 (make_automaton_attrs): New.
15815 (main): Do not call into genautomata. Call local gen_bypass
15816 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
15817 Remove special case for insn_alts.
15818 * genautomata.c: Include gensupport.h; not genattrtab.h nor
15819 varray.h (leftover from previous change). Prune set of forward
15820 function declarations. Remove state_alts fields from all
15821 structures. Remove state_alts_table from struct automaton.
15822 Make everything except main static. Do not maintain num_dfa_decls.
15823 Do not maintain state_alts fields of various structures.
15824 (process_decls): Don't validate condexp for dm_insn_reserv decls.
15825 (add_arc): Remove state_alts argument. All callers updated.
15826 (output_reserved_units_table): Emit #ifdef here...
15827 (output_tables): ...not here. Don't generate state_alts tables.
15828 (expand_automata): Don't generate attributes.
15829 (write_automata): Don't generate state_alts functions.
15830 (main): New function.
15831 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
15832 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
15833 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
15834 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
15835 (BYPASS_P_FUNC_NAME, output_state_alts_table)
15836 (output_automata_list_state_alts_code, output_internal_state_alts_func)
15837 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
15838 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
15840 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
15841 * genattrtab.h: Delete file.
15842 * Makefile.in (OBJS-common): Add insn-automata.o.
15843 (insn-automata.o): New rule.
15844 (simple_generated_c): Add insn-automata.c.
15845 (build/genattrtab.o, build/genautomata.o): Update dependencies.
15846 (genprogmd): Add automata.
15847 (build/genattrtab): Needs no extra objects nor libraries.
15848 (build/genautomata): Needs build/vec.o and -lm.
15850 2006-01-22 Zack Weinberg <zackw@panix.com>
15852 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
15853 (output_dfa_max_issue_rate, locked_states_num): Delete.
15854 (struct automaton): Add locked_states field.
15855 (output_dead_lock_vect): Save number of locked states in
15856 automaton->locked_states. If it is zero, don't print anything.
15857 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
15858 (output_internal_dead_lock_func): Only test the dead_lock_vect
15859 for automata that have locked states.
15860 (output_statistics): Always print the number of locked states for
15861 each automaton. Calculate total number of locked states here.
15862 (write_automata): Don't call output_dfa_max_issue_rate.
15863 * genattrtab.c: Define length_unit_log as a const variable.
15864 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
15865 max_insn_queue_index const.
15866 * final.c (length_unit_log): Declare const.
15867 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
15869 2006-01-22 Zack Weinberg <zackw@panix.com>
15871 * genautomata.c: Include vec.h, not varray.h.
15872 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
15873 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
15874 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
15875 VEC_* macros operating on appropriately typed vectors, or to
15876 malloced arrays when the size is known in advance. Const-ify
15877 many char* variables and function arguments. No functional changes.
15878 * Makefile.in (build/varray.o): Delete rule.
15879 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
15880 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
15882 2006-01-22 Zack Weinberg <zackw@panix.com>
15884 * gensupport.c: Define get_insn_name and record_insn_name here.
15885 (read_md_rtx): Call record_insn_name as appropriate.
15886 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
15887 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
15888 * genpreds.c, genrecog.c: Don't define get_insn_name nor
15890 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
15891 (BUILD_VARRAY): Delete.
15892 (genprognormal): Rename genprogmd. Fold in all programs from
15893 genprognoprint; also attrtab.
15894 (build/genattrtab): Just mention genautomata.o and varray.o.
15895 Reorganize a bit, add comments to make the categories clearer.
15897 2006-01-22 Zack Weinberg <zackw@panix.com>
15899 * genconditions.c (condition_table, add_condition): Delete.
15900 (write_conditions): Don't emit n_insn_conditions nor
15901 insn_elision_unavailable. Issue the gcc version #ifdef here,
15902 inside the table, with no #else clause ...
15903 (write_header): ...not here.
15904 (write_writer): New function.
15905 (main): Don't initialize condition_table. Use add_c_test.
15907 * gensupport.c (init_md_reader_args_cb): Handle multiple input
15908 files on the command line.
15909 (maybe_eval_c_test): Don't check insn_elision_unavailable.
15910 Return -1 if there is no entry in the table, don't abort.
15911 (add_c_test, traverse_c_tests): New functions.
15912 * gensupport.h (insn_elision_unavailable, insn_conditions)
15913 (n_insn_conditions): Delete declarations.
15914 (add_c_test, traverse_c_tests): Declare.
15915 * read-rtl.c: Include gensupport.h.
15916 (read_conditions): New function.
15917 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
15918 (read_rtx_1): If we get EOF when we were looking for an initial
15919 open paren, return 0. Call read_conditions when appropriate.
15920 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
15921 dummy-conditions.o. Eliminate references to insn-conditions.o,
15922 or change them to build/gencondmd.o, as appropriate. Remove
15923 insn-constants.h from $(simple_generated_h) and insn-conditions.c
15924 from $(simple_generated_c). For all files remaining in those
15925 two lists, add insn-conditions.md to the generator command line.
15926 Give insn-constants.h/s-constants their own rules. Add rules
15927 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
15928 (build/read-rtl.o): Depend on gensupport.h.
15929 (genprognormal): Include preds.
15930 (genprogearly): Rename genprognoprint; only difference is now that
15931 they don't link with $(BUILD_PRINT).
15932 * dummy-conditions.c: Delete.
15934 2006-01-22 Zack Weinberg <zackw@panix.com>
15936 * genextract.c: Don't include insn-config.h. Do include vec.h.
15937 Declare vectors of int, char, and locstr.
15938 (locstr): New typedef.
15939 (struct extraction): Make all array fields into bare pointers.
15940 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
15941 (insn_code_number): Delete.
15942 (accum_extract): New struct.
15943 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
15944 (gen_insn): Take insn_code_number as an argument. Use an
15945 accum_extract structure instead of loading data directly into
15946 a struct extraction, and having to know how big it might get.
15947 (walk_rtx): Operate entirely on an accum_extract structure.
15948 (print_path): Avoid unnecessary use of printf.
15949 (print_header): New function, split out of main. Distinguish
15950 more carefully between an unrecognizable insn and an insn that
15951 has the code number of a define_expand.
15952 (main): Pass insn_code_number to gen_insn. Call print_header
15953 only after parsing. Avoid unnecessary use of printf.
15954 * Makefile.in (build/vec.o): New rule.
15955 (build/genextract): Depend on build/vec.o.
15956 (build/genextract.o): Don't depend on insn-config.h.
15958 2006-01-22 Zack Weinberg <zackw@panix.com>
15960 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
15961 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
15962 practical. Eliminate per-generator-program link rules.
15964 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
15966 PR middle-end/24437
15967 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15968 with a call expr to ...
15969 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15971 2006-01-23 Richard Guenther <rguenther@suse.de>
15973 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
15974 before make_edge with conditional EDGE_TRUE_VALUE.
15976 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
15977 Jan Hubicka <jh@suse.cz>
15978 Richard Guenther <rguenther@suse.de>
15980 PR rtl-optimization/25654
15981 * cfgexpand.c (aggregate_contains_union_type): New function.
15982 (add_alias_set_conflicts): Call it. Make sure to add conflicts
15983 for structure variables that contain a union type.
15985 2006-01-23 Richard Sandiford <richard@codesourcery.com>
15987 * gengtype.c (new_structure): Return the structure.
15988 (create_option): Add an extra "next" argument.
15989 (create_field): New function.
15990 (adjust_field_rtx_def): Use create_option and create_field.
15991 Remove a now-unnecessary call to find_structure.
15992 (adjust_field_tree_def): Likewise.
15993 (note_yacc_type): Remove an unnecessary call to find_structure.
15994 * gengtype.h (new_structure): Return the structure.
15995 (create_option): Add an extra argument.
15996 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
15997 (option): Adjust calls to create_option.
15999 2006-01-22 David Edelsohn <edelsohn@gnu.org>
16001 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
16003 2006-01-22 Paul Brook <paul@codesourcery.com>
16004 Peter Barada <peter@the-baradas.com>
16006 * config/m68k/m68k.md: Add Coldfire FPU support.
16007 Define FP mode macro and associated attributes.
16008 Use it for float mode patterns.
16009 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
16010 (LIBCALL_VALUE): Use m68k_libcall_value.
16011 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
16012 (m68k_function_value): Ditto.
16013 (emit_move_sequence): Ditto.
16014 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
16015 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
16016 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
16017 (MULTILIB_EXCEPTIONS): Ditto.
16018 * config/m68k/m68k.opt: Add mcfv4e.
16019 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
16020 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
16021 (m68k_output_function_prologue): Save ColdFire FPU registers.
16022 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
16023 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
16024 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
16025 ColdFire FPU registers.
16026 (m68k_libcall_value, m68k_function_value): New functions.
16027 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
16028 (LIBCALL_VALUE): Use m68k_libcall_value.
16029 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
16030 (MASK_COLDFIRE): Add MASK_CFV4E.
16031 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
16032 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
16033 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
16034 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
16035 (GO_IF_LEGITIMATE_ADDRESS): Use it.
16036 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
16037 * doc/invoke.tex: Document -mcfv4e on m68k.
16039 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
16041 * doc/contribute.texi: Change CVS to SVN and update the corresponding
16044 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
16047 * c-opts.c (c_common_handle_option): Don't include
16048 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
16049 * doc/invoke.texi (C++ Dialect Options): Document that
16050 -Wnon-virtual-dtor is no longer included in -Wall.
16052 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
16054 * gcov.c (print_version), gcov-dump.c (print_version),
16055 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
16058 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
16060 * df-scan.c (problem_SCAN): Added NULL reset function.
16061 (df_scan_reset_blocks): Added code to call reset block function
16062 (df_bb_refs_delete) Fixed comment.
16063 (df_insn_refs_delete): Made tolerant of deleting non existent info
16064 for dataflow problems that need to be reset.
16065 * df-core.c (df_set_blocks): Ditto.
16066 * df.h (struct df_problem): Added reset_fun.
16067 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
16068 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
16069 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
16070 functions to clear out all references to def-use or use-def chains.
16072 2006-01-21 Ben Elliston <bje@au.ibm.com>
16074 * varasm.c (assemble_real): Initialise data array.
16076 2006-01-20 Paul Brook <paul@codesourcery.com>
16078 Merge from csl-arm-branch.
16079 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
16080 * config/arm/arm.md (movdi): Force operands[1] to a register
16081 if we have a non-register source.
16082 (*arm_movdi, *movdf_soft_insn): Require that one of the
16083 operands be a register.
16084 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
16085 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
16087 2006-01-20 DJ Delorie <dj@redhat.com>
16089 * varasm.c (initializer_constant_valid_p): Allow pointers
16090 initialized from integer constants of lesser precision.
16091 (output_constant): Allow non-int-sized pointer modes to be
16092 initialized from integer constants.
16094 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
16097 * cppdefault.h (struct default_include): Add multilib flag.
16098 * cppdefault.c (cpp_include_defaults): Set it.
16099 * c.opt (-imultilib): New option.
16100 * c-opts.c (imultilib): New.
16101 (c_common_handle_option): Handle -imultilib.
16102 (c_common_post_options): Likewise.
16103 * c-incpath.c (add_standard_paths, register_include_chains):
16105 * c-incpath.h (register_include_chains): Add extra parameter.
16106 * gcc.c (do_spec_1): Generate -imultilib option.
16107 (The Specs Language): Update %I description.
16108 (process_command): Update copyright notice.
16109 * doc/cppopts.texi (-imultilib): Document.
16110 * doc/invoke.texi (-imultilib): Include in option summary.
16111 (%I): Update specs documentation.
16113 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16115 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
16117 2006-01-20 Richard Sandiford <richard@codesourcery.com>
16119 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
16122 2006-01-20 Richard Guenther <rguenther@suse.de>
16123 Steven Bosscher <stevenb.gcc@gmail.com>
16125 PR rtl-optimization/24626
16126 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
16127 EDGE_TRUE_VALUE if in RTL mode.
16130 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
16131 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
16133 2006-01-20 Dirk Mueller <dmueller@suse.com>
16136 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
16137 instead of a special NOP marker.
16138 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
16139 NOP marker handling.
16140 * c-common.h (empty_body_warning): Add forward declaration.
16141 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
16142 Now uses IS_EMPTY_STMT() instead of special NOP markers.
16144 2006-01-20 Paul Brook <paul@codesourcery.com>
16146 * Makefile.in (lang_checks): Keep going if mkdir fails.
16148 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16150 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
16151 be able to clean out basic block when not necessary.
16152 (df_scan_free): Fixed to properly delete information if df is
16153 unused before calling df_finish.
16154 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
16155 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
16157 (df_bb_refs_delete): New function.
16158 (df_refs_delete): Moved per block code to df_bb_refs_delete.
16159 * df-core.c (df_set_blocks): Added code to properly clean out
16160 unused blocks if they are not part of the blocks to consider.
16161 Added additional null check.
16162 (df_compact_blocks): Added basic block parameter to free_bb_fun to
16163 be able to clean out basic block when not necessary
16164 * df.h (df_free_bb_function): Ditto.
16165 (df_bb_refs_delete): New function.
16166 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
16167 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
16168 basic block parameter to be able to clean out basic block when not
16170 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
16171 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
16172 Fixed to properly delete information if df is unused before
16175 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
16177 PR rtl-optimization/25799
16178 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
16179 Corrected confluence operator to remove bits from op2 before oring
16180 with op1 rather than removing bits from op1.
16181 (df_ru_transfer_function): Corrected test on wrong bitmap which
16182 caused infinite loop. Both of these problems were introduced in
16183 the dataflow rewrite.
16185 2006-01-19 DJ Delorie <dj@redhat.com>
16187 * reload1.c (find_reload_regs): Note the details of reload
16188 failures in the dump file.
16189 (spill_failure): Likewise.
16191 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
16193 * loop-iv.c: Include df.h and hashtab.h.
16194 (enum iv_grd_result): New enum.
16195 (DF_REF_IV, DF_REF_IV_SET): New macros.
16196 (struct biv_entry): New.
16197 (df, bivs): New global variables.
16198 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
16199 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
16201 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
16202 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
16203 analyzed_for_bivness_p, record_biv): New functions.
16204 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
16205 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
16206 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
16208 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
16210 (iv_number_of_iterations): Use new interface to iv analysis.
16211 * loop-unroll.c: Do not include varray.h.
16212 (analyze_iv_to_split_insn): Use new interface to iv
16214 * loop-unswitch.c (may_unswitch_on): Ditto.
16215 * df.c (df_bitmaps_free): Only work for bbs for that structures are
16217 (df_bb_modify): Realloc tables to the new index.
16218 (df_find_use): New function.
16219 * df.h (df_find_use): Declare.
16220 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
16222 * cfgloop.h (struct rtx_iv): Remove analysed field.
16223 (iv_get_reaching_def): Removed.
16224 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
16225 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
16226 (loop-iv.o): Add df.h and hashtab.h dependency.
16227 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
16229 2006-01-20 Alan Modra <amodra@bigpond.net.au>
16232 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
16234 (__floatundisf, __floatundidf): Likewise.
16235 * libgcc2.h (IS_IBM_EXTENDED): Define.
16237 2006-01-19 DJ Delorie <dj@redhat.com>
16239 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
16241 2006-01-19 Paul Brook <paul@codesourcery.com>
16243 * config/arm/arm.c (arm_compute_func_type): Treat all functions
16244 as nothrow when unwinding tables are disabled.
16246 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16249 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
16250 of bit-field" when in system header.
16252 2006-01-19 DJ Delorie <dj@redhat.com>
16254 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
16255 the 16 bit shift limit of the m16c.
16257 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
16260 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
16261 * config/i386/i386.c (output_set_got): Output the label if we have one
16262 for the TARGET_DEEP_BRANCH_PREDICTION case.
16264 2006-01-19 Jan Hubicka <jh@suse.cz>
16265 H.J. Lu <hongjiu.lu@intel.com>
16266 Evandro Menezes <evandro.menezes@amd.com>
16268 * invoke.texi (generic): Document
16270 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
16271 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
16272 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
16273 (x86_use_incdec, x86_pad_returns): New variables
16274 (TARGET_CPU_DEFAULT_generic): New constant
16275 (TARGET_CPU_DEFAULT_NAMES): Add generic.
16276 (enum processor_type): Add generic32 and generic64.
16277 * i386.md (cpu attribute): Add generic32/generic64
16278 (movhi splitter): Behave sanely when both partial_reg_dependency and
16279 partial_reg_stall are set.
16280 (K8 splitters): Enable for generic as well.
16281 * predicates.md (incdec_operand): Use TARGET_INCDEC
16282 (aligned_operand): Avoid memory mismatch stalls.
16283 * athlon.md: Enable for generic64, new patterns for 128bit moves.
16284 * ppro.md: Enable for generic32
16285 * i386.c (generic64_cost, generic32_cost): New.
16286 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
16287 (x86_use_leave): Enable for generic64. (x86_use_sahf,
16288 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
16289 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
16290 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
16291 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
16292 x86_partial_reg_dependency, x86_memory_mismatch_stall,
16293 x86_accumulate_outgoing_args, x86_prologue_using_move,
16294 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
16295 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
16296 Enable for generic.
16297 (x86_use_incdec, x86_pad_returns): New.
16298 (override_options): Add generic32 and generic64, translate "generic"
16299 to generic32/generic64 and "i686" to "generic32", refuse
16300 "generic32"/"generic64" as arch target.
16301 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
16302 (ix86_reorg): Honor PAD_RETURNS.
16304 2006-01-19 Diego Novillo <dnovillo@redhat.com>
16306 * tree-pretty-print.c (dump_generic_node): Handle
16307 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
16308 * cgraph.c (cgraph_expand_queue): Rename from
16309 cgraph_analyze_queue. Update all users.
16310 * cgraphunit.c (cgraph_assemble_pending_functions): Process
16311 cgraph_expand_queue.
16312 (cgraph_expand_all_functions): Likewise.
16313 (cgraph_finalize_pending_functions): Remove. Update callers.
16315 * tree.h (OMP_DIRECTIVE_P): Define.
16316 (OMP_PARALLEL_FN): Define.
16317 (OMP_PARALLEL_DATA_ARG): Define.
16318 (OMP_SECTIONS_SECTIONS): Define.
16319 * tree-pass.h (pass_expand_omp): Declare.
16320 * omp-low.c (struct omp_region): Declare.
16321 (struct omp_context): Remove fields 'parallel_type',
16322 'parallel_start_ix' and 'parallel_start_additional_args'.
16324 (struct omp_for_data): Rename from struct expand_omp_for_data.
16325 (omp_regions): New static variable.
16326 (root_omp_region): New static variable.
16327 (find_omp_clause): Make static.
16328 (is_in_combined_parallel_ctx): Remove.
16329 (is_combined_parallel): New.
16330 (extract_omp_for_data): Move earlier in the file.
16331 (workshare_safe_to_combine_p): New.
16332 (get_ws_args_for): New.
16333 (determine_parallel_type): Move earlier in the file.
16334 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
16336 (omp_copy_decl): Likewise.
16337 (create_omp_child_function): Likewise.
16338 (lookup_omp_region): New.
16339 (dump_omp_region): New.
16340 (debug_omp_region): New.
16341 (debug_all_omp_regions): New.
16342 (new_omp_region): New.
16343 (scan_omp_parallel): If parallel_nesting_level > 1, the
16344 directive is nested within another parallel directive.
16345 Set OMP_PARALLEL_FN.
16346 (scan_omp_for): Do not try to handle combined parallel+for
16348 Remove FIXME comment.
16349 (scan_omp_nested): Remove.
16350 (scan_omp_1): Do not call scan_omp_nested when
16351 parallel_nesting_level is > 1.
16352 Do not change the DECL_CONTEXT of local variables found.
16353 (lookup_decl_in_outer_ctx): New.
16354 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
16355 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
16356 (lower_reduction_clauses): Rename from expand_reduction_clauses.
16357 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
16358 If CTX is nested, lookup VAR in the outer context when
16359 building copy assignment.
16360 (lower_send_clauses): Rename from expand_send_clauses.
16361 If CTX is nested, lookup VAR in the outer context when
16362 building copy assignments.
16363 (lower_send_shared_vars): Rename from expand_send_shared_vars.
16364 If CTX is nested, lookup VAR in the outer context when
16365 building copy assignments.
16366 (expand_parallel_call): Rename from build_parallel_call.
16367 Handle combined parallel+workshare cases.
16368 Re-implement to emit code into the CFG.
16370 (expand_omp_parallel): Re-implement to emit code into the CFG.
16371 Call move_sese_region_to_fn to outline the sub-graph
16372 containing the parallel region.
16373 (expand_omp_for_1): Remove.
16374 (expand_omp_for_generic): Re-implement to emit code into the
16376 (expand_omp_for_static_nochunk): Likewise.
16377 (expand_omp_for_static_chunk): Likewise.
16378 (expand_omp_for): Likewise.
16379 (expand_omp_sections): Likewise.
16380 (remove_exit_barriers): New.
16381 (expand_omp_synch): New.
16383 (build_omp_regions_1): New.
16384 (build_omp_regions): New.
16385 (execute_expand_omp): New.
16386 (gate_expand_omp): New.
16387 (pass_expand_omp): Define.
16388 (lower_omp_sections): Rename from expand_omp_sections.
16389 Set OMP_SECTIONS_SECTIONS.
16390 (lower_omp_single_simple): Rename from expand_omp_single_simple.
16391 (lower_omp_single_copy): Rename from expand_omp_single_copy.
16392 (lower_omp_single): Rename from expand_omp_simple.
16393 (lower_omp_master): Rename from expand_omp_master.
16394 (lower_omp_ordered): Rename from expand_omp_ordered.
16395 (lower_omp_critical): Rename from expand_omp_critical.
16396 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
16397 (lower_omp_for): Re-implement.
16398 (lower_omp_parallel): Re-implement.
16399 (lower_regimplify): Rename from expand_regimplify.
16400 (lower_omp_1): Rename from expand_omp_1.
16401 If there are syntax errors in the program, replace every
16402 OpenMP directive with NOP.
16403 Call lower_omp_* instead of expand_omp_*.
16404 (lower_omp): Rename from expand_omp.
16406 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
16407 * tree-gimple.h (enum omp_parallel_type): Remove.
16408 (gimple_boolify): Declare extern.
16409 (find_omp_clause, determine_parallel_type): Remove.
16411 * gimple-low.c (lower_omp_directive): New.
16412 (lower_stmt): Call it.
16413 (record_vars_into): Move from ...
16414 (record_vars): ... here.
16415 Call record_vars_into with current_function_decl.
16417 * gimplify.c (struct gimplify_ctx): Remove fields
16418 combined_pre_p and combined_ctxp. Update users.
16419 (get_formal_tmp_var): Add documentation.
16420 (gimple_boolify): Make extern.
16421 (gimplify_expr_in_ctx): Remove. Update callers.
16422 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
16423 will always be a BIND_EXPR.
16424 (gimplify_expr): Handle OMP_RETURN_EXPR.
16425 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
16426 (OMP_PARALLEL): Add 3 operands.
16427 (OMP_SECTIONS): Add 1 operand.
16428 (OMP_RETURN_EXPR): Define.
16430 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
16431 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
16432 * tree-iterator.c (alloc_stmt_list): Assert that we are not
16433 creating a circular free list.
16434 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
16436 * tree-flow.h (move_sese_region_to_fn): Declare.
16437 (record_vars_into): Declare.
16438 * tree-cfg.c (make_omp_sections_edges): New.
16439 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
16440 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
16441 OMP_SECTIONS and OMP_SECTION.
16442 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
16443 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
16444 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
16445 (gather_blocks_in_sese_region): New.
16446 (struct move_stmt_d): Declare.
16447 (move_stmt_r): New.
16448 (move_block_to_fn): New.
16449 (move_sese_region_to_fn): New.
16451 * passes.c (init_optimization_passes): Schedule
16452 pass_expand_omp after pass_init_datastructures.
16454 * tree-ssa-operands.c (get_expr_operands): Handle
16455 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
16456 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
16458 2006-01-19 Jeff Law <law@redhat.com>
16460 * tree-vrp.c (extract_range_from_assert): Refine the result range
16461 if the variable referenced by the ASSERT_EXPR has a range and
16462 either the tentative result range or the previous range is a
16465 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16467 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
16469 2006-01-19 Jan Hubicka <jh@suse.cz>
16471 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
16473 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
16475 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
16476 (expand_compound_operation, expand_field_assignment): Fail if the
16477 bit lengths of an extract operation are out of range.
16478 (make_extraction): Compute wanted_inner_mode based on the position
16479 and length of the extraction. Make it extraction_mode for non-constant
16480 positions, and do not modify offset in that case. When generating a
16481 new MEM, use a mode that can hold the extraction while keeping correct
16482 alignment. Remove code that supported MEMs wrapped by USEs.
16483 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
16485 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
16487 * config/s390/s390.md ("Y", "y"): New mode attribute.
16488 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
16489 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
16490 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
16491 "*addsi3_imm_cc", "*addsi3_carry1_cc",
16492 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
16493 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
16494 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
16495 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
16496 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
16497 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
16498 "addsi3", "subsi3"): Insn patterns removed.
16499 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
16500 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
16501 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
16502 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
16503 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
16504 "*sub<mode>3_cconly2"): New insn patterns.
16505 ("addsi3", "subsi3"): New expanders.
16507 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
16509 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
16510 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
16511 existing STMT_VINFO_VECTYPE if available.
16512 (vect_mark_relevant): Add special handling for stmts that are
16513 marked as STMT_VINFO_IN_PATTERN_P.
16514 (vect_analyze_loop): Call vect_pattern_recog.
16515 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
16516 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
16518 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
16519 (vect_recog_func_ptr): New function-pointer type.
16520 * tree-vect-patterns.c: New file.
16521 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
16522 (vect_recog_dot_prod_pattern, vect_pattern_recog):
16523 (vect_pattern_recog_1): New functions.
16524 (vect_pattern_recog_funcs): New array of function pointers.
16526 * tree-vectorizer.h (ternary_op): New enum value.
16527 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
16528 declaration. Revised documentation. Removed redundant dump prints.
16529 Removed redundant argument. Added support for reduction patterns.
16530 (vectorizable_reduction): Added support for reduction patterns.
16531 (vect_transform_stmt): Added support for patterns.
16533 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
16534 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
16535 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
16536 (expand_widen_pattern_expr): New function.
16537 (init_optabs): Initialize new optabs udot_prod_optab,
16539 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
16540 (sdot_prod_optab, udot_prod_optab): Define new optabs.
16541 (expand_widen_pattern_expr): New function declaration.
16542 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
16544 * tree-inline.c (estimate_num_insns_1): Added cases for new
16545 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16546 * tree-pretty-print.c (dump_generic_node): Likewise.
16547 (op_prio): Likewise.
16548 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
16549 * tree-ssa-operands.c (get_expr_operands): Added case for
16551 * tree-vect-patterns.c (widened_name_p): New function.
16552 (vect_recog_dot_prod_pattern): Added function implementation.
16553 * tree-vect-transform.c (get_initial_def_for_reduction): Added
16554 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
16555 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
16556 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
16558 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
16559 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
16560 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
16561 (init_optabs): Initialize new optabs widen_ssum_optab,
16563 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
16564 (widen_ssum_optab, widen_usum_optab): Define new optabs.
16565 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
16566 use instead of type of def.
16567 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
16568 function implementation.
16569 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
16570 widen_ssumv8hi): New.
16572 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
16575 2006-01-19 Richard Sandiford <richard@codesourcery.com>
16578 * c-decl.c (add_flexible_array_elts_to_size): New function.
16579 (finish_decl): Use it.
16581 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
16583 * diagnostic.h: Include options.h.
16584 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
16585 dependancies for diagnostic.h.
16586 * Makefile.in (DIAGNOSTIC_H): Add options.h.
16588 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
16590 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
16591 (ssa_ro_call_cache_valid): Ditto.
16592 * tree-ssa-alias.c (sort_tags_by_id): New function.
16593 (init_transitive_clobber_worklist): Ditto.
16594 (add_to_worklist): Ditto.
16595 (mark_aliases_call_clobbered): Ditto.
16596 (compute_tag_properties): Ditto.
16597 (set_initial_properties): Ditto.
16598 (compute_call_clobbered): Ditto.
16599 (compute_may_aliases): Call compute_call_clobbered and grouping.
16600 (compute_flow_sensitive_aliasing): Remove clobbering related code.
16601 (compute_flow_insensitive_aliasing): Grouping now happens in our
16603 (setup_pointers_and_addressables): Remove clobbering related code.
16604 (add_may_alias): Ditto.
16605 (replace_may_alias): Ditto.
16606 (get_nmt_for): Ditto.
16607 (create_global_var):
16608 (is_escape_site): Return an escape_type enumeration.
16609 * tree-flow-inline.h (is_call_clobbered): Global var does not
16610 imply call clobbered.
16611 (mark_call_clobbered): Take a reason for marking this. Remove
16612 marking of globalness, and cache invalidation.
16613 (clear_call_clobbered): Remove cache invalidation code.
16614 * tree-dfa.c (dump_variable): If details is on, dump the reason
16616 * tree-outof-ssa.c (create_temp): Copy escape mask from original
16618 * tree-flow.h (struct ptr_info_def): Add escape mask member.
16619 (struct var_ann_d): Ditto.
16620 (enum escape_type): New.
16621 (mark_call_clobbered): Adjust prototype.
16622 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
16623 are never call clobbered.
16624 Record reasons for escaping.
16625 * tree-ssa-structalias.h (is_escape_site): Update prototype.
16626 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
16627 (ssa_ro_call_cache_valid): Ditto.
16628 (clobbered_v_may_defs): Ditto.
16629 (clobbered_vuses): Ditto.
16630 (ro_call_vuses): Ditto.
16631 (clobber_stats): New.
16632 (init_ssa_operands): Zero out clobber stats.
16633 (fini_ssa_operands): Print out clobber stats.
16634 (get_call_expr_operands): Pass callee fndecl to
16635 add_call_read_ops).
16636 (add_call_clobber_ops): Remove use of cache.
16637 Add use of PURE_CONST information.
16638 (add_call_read_ops): Remove use of cache.
16639 Add use of static not_read information.
16641 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
16643 Introduce TLS descriptors for i386 and x86_64.
16644 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
16645 (TARGET_ANY_GNU_TLS): New macro.
16646 (enum tls_dialect): Added TLS_DIALECT_GNU2.
16647 (struct machine_function): Add tls_descriptor_call_expanded_p.
16648 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
16649 (ix86_current_function_calls_tls_descriptor): Likewise.
16650 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
16651 (override_options): Introduce gnu2 tls dialect.
16652 (ix86_frame_pointer_required): Functions containing TLSCALLs are
16654 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
16656 (legitimize_tls_address): Adjust logic for GNU2 TLS.
16657 (ix86_init_machine_status): Initialize new field.
16658 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
16659 (ix86_tls_module_base): New.
16660 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
16661 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
16662 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
16663 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
16664 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
16665 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
16666 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
16667 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
16668 * config/i386/predicates.md (tls_modbase_operand): New.
16669 (tp_or_register_operand): New.
16671 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
16673 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
16674 (look_for_address_of): Ditto.
16675 (ipa_init): Walk the function decls.
16676 (static_execute): Don't set readonly on FUNCTION_DECL's.
16678 2006-01-18 Roger Sayle <roger@eyesopen.com>
16680 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
16681 for shifts where the source and destination registers are different.
16683 2006-01-18 Paul Brook <paul@codesourcery.com>
16685 Merge from csl-arm-branch.
16686 2005-03-14 Julian Brown <julian@codesourcery.com>
16687 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
16688 (aeabi_llsl): Likewise.
16689 (ashrdi3): Likewise.
16690 (aeabi_lasr): Likewise.
16691 (lshrdi3): Likewise.
16692 (aeabi_llsr): Likewise.
16693 2005-03-10 Julian Brown <julian@codesourcery.com>
16694 * config.gcc: Disable shared libgcc for SymbianOS.
16695 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
16697 2006-01-18 DJ Delorie <dj@redhat.com>
16699 * c-pragma.c (handle_pragma_diagnostic): New.
16700 (init_pragma): Register it.
16701 * doc/extend.texi: Document it.
16703 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
16704 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
16705 (diagnostic_context): Add classify_diagnostic[].
16706 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
16707 as errors if they're overridden to DK_WARNING.
16708 (diagnostic_initialize): Initialize classify_diagnostic[].
16709 (diagnostic_set_kind_override): New.
16710 (diagnostic_report_diagnostic): Check for kind changes.
16711 * opts.c (common_handle_option): Take lang_mask. Update callers.
16712 Handle OPT_Werror_.
16713 * common.opt (Werror=): New.
16714 * doc/invoke.texi: Document -Werror=*
16716 2006-01-18 Jeff Law <law@redhat.com>
16718 * tree-vrp.c (test_for_singularity): Correct test for new
16719 min limit. Use operand_equal_p rather than pointer equality
16720 for testing if new min/max values are equal.
16722 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
16723 using range information until after propagation and folding.
16725 2006-01-18 Richard Henderson <rth@redhat.com>
16726 Aldy Hernandez <aldyh@redhat.com>
16727 Jakub Jelinek <jakub@redhat.com>
16728 Diego Novillo <dnovillo@redhat.com>
16730 * omp-low.c: New file.
16731 * c-omp.c: New file.
16733 2006-01-18 Richard Henderson <rth@redhat.com>
16734 Jakub Jelinek <jakub@redhat.com>
16735 Diego Novillo <dnovillo@redhat.com>
16737 * doc/invoke.texi: Document -fopenmp.
16738 * tree-dump.h (debug_function): Declare.
16739 * hooks.c (hook_bool_tree_bool_false): New function.
16740 (hook_tree_tree_null): Remove.
16741 (hook_tree_tree_tree_null): New.
16742 * hooks.h: Update to match.
16743 * tree-pretty-print.c (debug_tree_chain): New.
16744 (print_generic_expr): Handle TDF_CHAIN.
16745 (dump_generic_node): Handle BLOCK.
16746 Do not abort with incomplete SWITCH_EXPRs.
16747 Do not dump body of an OpenMP directive if TDF_SLIM is given.
16748 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
16749 print space after directive name.
16750 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
16751 Handle OMP_MASTER and OMP_ORDERED.
16752 Handle printing of OMP_BODY just in one place, goto
16753 dump_omp_body in the rest of OMP_* nodes that have
16755 Don't handle clause nodes here. Update omp statements to
16756 use dump_omp_clauses.
16757 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
16758 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
16759 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
16760 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
16761 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
16762 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
16763 Adjust output for GOMP_PARALLEL.
16764 (dump_omp_clauses): New.
16765 (print_declaration): Dump DECL_VALUE_EXPR.
16766 (op_symbol_1): Split out of op_symbol.
16767 (dumping_stmts): Remove. Update all users.
16768 * cgraph.c (cgraph_analyze_queue): New.
16769 (cgraph_add_new_function): New.
16770 * cgraph.h (cgraph_analyze_queue): Declare.
16771 (cgraph_add_new_function): Declare.
16772 (cgraph_lower_function): Remove.
16773 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
16774 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
16775 and TYPE_P nodes in its default clause.
16776 (empty_body_p): New.
16777 (tree_range_check_failed): New.
16778 (build5_stat): New.
16779 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
16780 OMP_CLAUSE_REDUCTION_MERGE,
16781 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
16782 OMP_CLAUSE_PRIVATE_DEBUG,
16783 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
16784 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
16785 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
16786 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
16787 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
16788 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
16789 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
16790 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
16791 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
16792 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
16793 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
16794 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
16795 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
16796 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
16797 (TREE_RANGE_CHECK): New.
16798 (empty_body_p): Declare.
16799 (enum omp_clause_default_kind): New.
16800 (build_string_literal): Declare.
16801 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
16802 (build5_stat, build5): Declare.
16803 * tree-pass.h (TDF_CHAIN): Define.
16804 * tree-pass.h (PROP_gimple_lomp): Define.
16805 (pass_lower_omp): Declare.
16806 * diagnostic.h (debug_tree_chain): Declare.
16807 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
16809 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
16810 * builtins.c (build_string_literal): Make extern.
16811 * gcc.c (include_spec_function): New.
16812 (static_spec_functions): Add it.
16813 (main): Move load of libgomp.spec ...
16814 (LINK_COMMAND_SPEC): ... here.
16815 (link_gomp_spec): New.
16816 (static_specs): Include it.
16817 (LINK_COMMAND_SPEC): Add link_gomp.
16818 (GOMP_SELF_SPECS): New.
16819 (driver_self_specs): Include it.
16820 (switch_matches): Don't mark inline.
16821 (main): Load libgomp.spec.
16822 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
16823 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
16824 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
16825 * tree-gimple.h (enum omp_parallel): Declare.
16826 (determine_parallel_type): Declare.
16827 (omp_firstprivatize_variable): Declare.
16828 (omp_reduction_init): Declare.
16829 (diagnose_omp_structured_block_errors): Declare.
16830 (struct walk_stmt_info): Add want_return_expr.
16831 (struct walk_stmt_info): Add want_bind_expr, want_locations.
16832 (find_omp_clause): Declare.
16833 (insert_field_into_struct): Declare.
16834 (struct walk_stmt_info): Move from tree-nested.c
16835 (walk_stmts): Declare.
16836 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
16838 * cgraphunit.c (cgraph_lower_function): Make static.
16839 (cgraph_finalize_pending_functions): New.
16840 (cgraph_finalize_function): Call it.
16841 (cgraph_finalize_compilation_unit): Likewise.
16842 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
16843 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
16844 (BT_FN_UINT_UINT): New.
16845 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
16846 DEF_FUNCTION_TYPE_VAR_4): Document.
16847 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
16848 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
16849 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
16850 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
16851 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
16852 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
16853 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
16854 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
16855 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
16856 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
16857 into separate files.
16858 (DEF_GOMP_BUILTIN): New.
16859 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
16860 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
16861 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
16862 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
16863 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
16864 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
16865 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
16866 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
16867 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
16868 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
16869 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
16870 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
16871 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
16872 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
16873 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
16874 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
16875 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
16876 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
16877 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
16878 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
16879 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
16880 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
16881 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
16882 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
16883 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
16884 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
16885 * sync-builtins.def: New file, moved from builtins.def.
16886 * omp-builtins.def: New file, moved from builtins.def.
16887 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
16888 * gimple-low.c (lower_function_body): Clear data.
16889 (lower_stmt): Do not handle COMPOUND_EXPR.
16890 Remove call to print_node_brief.
16891 * c-tree.h (c_finish_omp_clauses): New prototype.
16892 (C_DECL_THREADPRIVATE_P): Define.
16893 (lookup_name_no_remap, c_omp_remap_private): Remove
16894 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
16895 (check_for_loop_decls): Update decl.
16896 (lookup_name_no_remap, c_omp_remap_private): Declare.
16897 (build_indirect_ref, build_modify_expr, pushdecl,
16898 pushdecl_top_level): Move to c-common.h.
16899 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
16900 before the switch, but just in the 2 places that need it.
16901 * c-decl.c (diagnose_mismatched_decls): Do not check for
16902 mismatched thread-local attributes when OLDDECL is marked
16903 threadprivate and NEWDECL has no thread-local attributes.
16904 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
16905 (c_gimple_diagnostics_recursively): Rename from
16906 c_warn_unused_result_recursively. Invoke
16907 diagnose_omp_structured_block_errors.
16908 (check_for_loop_decls): Return a singular decl found.
16909 * langhooks.c (lhd_omp_predetermined_sharing): Return
16910 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
16911 (lhd_omp_firstprivatize_type_sizes): New.
16912 (lhd_omp_assignment): New.
16913 (lhd_omp_predetermined_sharing): New.
16914 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
16915 (struct lang_hooks_for_types): Add
16916 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
16917 omp_predetermined_sharing, omp_disregard_value_expr,
16918 omp_private_debug_clause, omp_clause_default_ctor,
16919 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
16920 (c_finish_omp_clauses): New.
16921 (c_finish_bc_stmt): Diagnose break within omp for.
16922 (c_begin_omp_parallel, c_finish_omp_parallel): New.
16923 (build_unary_op): Return error_mark after reporting
16925 (build_modify_expr): Likewise.
16926 * gimplify.c: Include optabs.h and pointer-set.h.
16927 (enum gimplify_omp_var_data): Declare.
16928 (struct gimplify_omp_ctx): Declare.
16929 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
16931 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
16932 (push_gimplify_context, pop_gimplify_context): Allow nesting.
16933 (splay_tree_compare_decl_uid): New.
16934 (new_omp_context): New.
16935 (delete_omp_context): New.
16936 (gimple_add_tmp_var): Call omp_add_variable.
16937 (gimplify_bind_expr): Likewise.
16938 (gimplify_var_or_parm_decl): If omp_notice_variable returned
16939 true, disregard DECL_VALUE_EXPR on the decl if any.
16940 (gimplify_expr_in_ctx): New.
16941 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
16942 omp_add_variable, omp_notice_variable, omp_is_private
16943 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
16944 gimplify_adjust_omp_clauses, gimplify_omp_parallel
16945 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
16946 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
16947 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
16948 gimplify_omp_atomic): New.
16949 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16950 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16951 OMP_CRITICAL and OMP_ATOMIC.
16952 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
16953 * c-pragma.h (enum pragma_kind): Add
16954 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
16955 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
16956 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
16957 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
16958 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
16959 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
16960 PRAGMA_OMP_THREADPRIVATE.
16961 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
16962 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
16963 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
16964 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
16965 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
16966 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
16967 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
16968 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
16969 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
16970 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
16971 * tree-ssa-dce.c (find_control_dependence): Do not assume that
16972 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
16973 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
16975 (struct nesting_info): Add field_map,
16976 suppress_expansion, debug_var_chain.
16977 (create_nesting_tree): Initialize them.
16978 (lookup_field_for_decl): Use field_map.
16979 (get_nonlocal_debug_decl, get_local_debug_decl): New.
16980 (convert_local_omp_clauses): New.
16981 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
16982 (walk_body): Split out of walk_function.
16983 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
16984 (convert_nonlocal_reference): Handle omp statements.
16985 (convert_local_reference): Likewise.
16986 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
16987 (unnest_nesting_tree): New.
16988 (lower_nested_functions): Call it.
16989 (insert_field_into_struct): Make extern.
16990 (struct walk_stmt_info): Move to tree-gimple.h.
16991 (walk_stmts): Make extern.
16992 * omp-builtins.def: New file.
16993 * tree-iterator.c (expr_only): Clarify comment.
16994 * c-common.h (pushdecl_top_level, pushdecl,
16995 build_modify_expr, build_indirect_ref,
16996 c_finish_omp_master, c_finish_omp_critical,
16997 c_finish_omp_ordered, c_finish_omp_barrier,
16998 c_finish_omp_atomic, c_finish_omp_flush,
16999 c_finish_omp_for, c_split_parallel_clauses,
17000 omp_clause_default_kind, c_omp_sharing_predetermined,
17001 c_omp_remap_decl): Declare.
17002 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
17003 (OBJS-common): Add omp-low.o.
17004 (c-omp.o, omp-low.o): Add.
17005 (gimplify.o): Add dependency on $(OPTABS_H).
17006 (GTFILES): Add omp-low.c.
17007 (gt-stringpool.h): Add.
17008 * tree-cfg.c (set_bb_for_stmt): Do not update the
17009 block-to-labels map if we are currently expanding to RTL.
17010 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
17012 Handle IDENTIFIER_NODE.
17013 (tree_verify_flow_info): Do not ICE when emitting error
17014 messages about invalid labels.
17015 (dump_function_to_file): Reset CFUN before emitting the body
17017 (debug_function): New.
17018 * passes.c (init_optimization_passes): Schedule
17020 * langhooks-def.h (lhd_omp_predetermined_sharing,
17021 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
17023 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
17024 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
17025 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
17026 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
17027 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
17028 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
17029 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
17030 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
17031 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
17032 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
17033 (LANG_HOOK_DECLS): Use them.
17035 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
17036 Richard Henderson <rth@redhat.com>
17037 Jakub Jelinek <jakub@redhat.com>
17038 Diego Novillo <dnovillo@redhat.com>
17040 * c-parser.c (pragma_omp_clause): Define.
17041 (c_parser_declaration_or_fndef): Document OpenMP syntax.
17042 (c_parser_compound_statement): Likewise.
17043 (c_parser_statement): Likewise.
17044 (c_parser_pragma): Handle omp pragmas.
17045 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
17046 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
17047 (c_parser_omp_clause_name, check_no_duplicate_clause,
17048 c_parser_omp_variable_list,
17049 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
17050 c_parser_omp_clause_copyprivate,
17051 c_parser_omp_clause_default,
17052 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
17053 c_parser_omp_clause_lastprivate,
17054 c_parser_omp_clause_nowait,
17055 c_parser_omp_clause_num_threads,
17056 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
17057 c_parser_omp_clause_reduction,
17058 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
17059 c_parser_omp_all_clauses, c_parser_omp_structured_block,
17060 c_parser_omp_atomic, c_parser_omp_barrier,
17061 c_parser_omp_critical, c_parser_omp_flush,
17062 c_parser_omp_for_loop, c_parser_omp_for,
17063 c_parser_omp_master, c_parser_omp_ordered,
17064 c_parser_omp_sections_scope, c_parser_omp_sections,
17065 c_parser_omp_parallel, c_parser_omp_single,
17066 c_parser_omp_construct, c_parser_omp_threadprivate): New.
17067 * c-pragma.c (init_pragma): Do omp pragma registration here.
17068 * c.opt (fopenmp): New flag.
17070 2006-01-18 Eric Christopher <echristo@apple.com>
17072 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
17073 * config/darwin.h (GOMP_SELF_SPECS): Define.
17075 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17077 * rtl.h: Remove the prototype for reg_alloc.
17079 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17082 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
17083 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
17084 sjlj and dwarf2 exception handling.
17085 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
17086 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
17087 * pa/pa.c (function_value): Treat complex and vector types as
17089 (function_arg): Likewise. Only pass scalar floats in the floating
17090 point argument registers.
17091 * pa/t-slibgcc-dwarf-ver: New file.
17092 * pa/t-slibgcc-sjlj-ver: New file.
17093 * pa/t-slibgcc-elf-ver: Delete file.
17095 2006-01-19 Alan Modra <amodra@bigpond.net.au>
17097 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
17098 unlikely_test_section_p test.
17100 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17102 * mode-switching.c (optimize_mode_switching): Make it static.
17103 * basic-block.h: Remove the prototype for
17104 optimize_mode_switching.
17106 * modulo-sched.c (sms_schedule): Make it static.
17107 * rtl.h: Remove the prototype for sms_schedule.
17109 * postreload-gcse.c (gcse_after_reload_main): Make it static.
17110 * rtl.h: Remove the prototype for gcse_after_reload_main.
17112 * reg-stack.c (reg_to_stack): Make it static.
17113 * rtl.h: Remove the prototype for reg_to_stack.
17115 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
17117 * rtl.h: Remove the prototypes for regrename_optimize and
17118 copyprop_hardreg_forward.
17120 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
17122 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
17123 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
17124 Test against the appropriate null constant for the mode.
17125 If 'fixup_overlap' is true, swap the operands if they overlap.
17126 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
17127 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
17128 alpha_split_tmode_pair and adjust for above change.
17129 * config/alpha/alpha.md (movtf_internal): Adjust call to
17130 alpha_split_tfmode_pair and rely on it to swap the operands.
17131 (movti_internal): New insn and post-reload splitter.
17132 (movti): New expander.
17134 2006-01-18 Philippe De Muyter <phdm@macqel.be>
17136 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
17139 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
17141 * rtlanal.c (global_reg_mentioned_p_1,
17142 global_reg_mentioned_p): Remove.
17143 * rtl.h: Remove the prototype for global_reg_mentioned_p.
17145 * flow.c (initialize_uninitialized_subregs): Make it static.
17146 * rtl.h: Remove the prototype for
17147 initialize_uninitialized_subregs.
17149 * function.c (instantiate_virtual_regs): Make it static.
17150 * function.h: Remove the prototype for
17151 instantiate_virtual_regs.
17153 * regmove.c (regmove_optimize, combine_stack_adjustments):
17155 * rtl.h: Remove the prototypes for regmove_optimize and
17156 combine_stack_adjustments.
17158 2006-01-17 Roger Sayle <roger@eyesopen.com>
17160 * config/i386/i386.c (COSTS_N_BYTES): New macro.
17161 (size_cost): Encode costs in bytes so that a reg-reg addition is
17162 equivalent to COSTS_N_INSNS(1).
17163 (override_options): Use the size_cost.branch_cost as the default
17164 ix86_branch_cost when optimizing for size.
17166 2006-01-18 Ben Elliston <bje@au.ibm.com>
17168 * Makefile.in (D32PBIT_FUNCS): New.
17169 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
17170 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
17171 D64PBIT_FUNCS and D128PBIT_FUNCS.
17172 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
17173 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
17175 (decnumber_dep): Define.
17176 * doc/libgcc.texi (Decimal float library routines): New node.
17177 * config/dfp-bit.h, config/dfp-bit.c: New files.
17179 2006-01-18 Ben Elliston <bje@au.ibm.com>
17181 * expr.c (emit_move_change_mode): Always adjust addresses, not
17182 just during reload. Copy replacements only during reload.
17183 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
17184 emit_move_via_integer.
17186 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
17188 * Makefile.in (check-%, check-consistency): Use $${srcdir}
17189 instead of $(srcdir) and ${srcdir}.
17191 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
17194 PR middle-end/11135
17195 * arm.h (struct machine_function): Add pic_reg.
17196 * arm.c (arm_pic_register): Make unsigned.
17197 (arm_override_options): Only set arm_pic_register if
17198 TARGET_SINGLE_PIC_BASE.
17199 (use_return_insn): Only test for a pic register if it is fixed.
17200 (arm_compute_save_reg0_reg12_mask): Likewise.
17201 (thumb_compute_save_reg_mask): Likewise.
17202 (legitimate_pic_operand): Factor out some known invariants.
17203 (legitimize_pic_address): If we don't have a fixed pic register,
17204 then set up a pseudo in the function entry sequence. Handle the
17205 pic base being in a pseudo.
17206 (arm_load_pic_register): Handle the pic register being in a pseudo.
17207 (arm_expand_prologue): Only set up the pic register if it is fixed.
17208 (thumb_expand_prologue): Likewise.
17209 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
17210 (pic_load_addr_based_insn): Likewise.
17211 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
17214 2006-01-18 Ben Elliston <bje@au.ibm.com>
17216 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
17217 decimal float modes for all floating point registers.
17219 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
17220 match_code "mem" with match_test "macho_lo_sum_memory_operand".
17222 2006-01-17 Jakub Jelinek <jakub@redhat.com>
17225 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
17226 even when the pointer is not NULL.
17228 2006-01-16 Ian Lance Taylor <ian@airs.com>
17230 * common.opt (ftoplevel-reorder): New option.
17231 * cgraph.c (cgraph_asm_nodes): New global variable.
17232 (cgraph_asm_last_node): New static variable.
17233 (cgraph_order): New global variable.
17234 (cgraph_create_node): Set new order field.
17235 (cgraph_varpool_node): Likewise.
17236 (decide_is_variable_needed): Return true if not
17237 flag_toplevel_reorder.
17238 (cgraph_add_asm_node): New function.
17239 * cgraph.h (struct cgraph_node): Add order field.
17240 (struct cgraph_varpool_node): Add order field.
17241 (struct cgraph_asm_node): Define.
17242 (cgraph_asm_nodes, cgraph_order): Declare.
17243 (cgraph_add_asm_node): Declare.
17244 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
17246 (cgraph_varpool_assemble_pending_decls): Call it.
17247 (cgraph_output_pending_asms): New static function.
17248 (cgraph_finalize_compilation_unit): Call it.
17249 (struct cgraph_order_sort): Define.
17250 (cgraph_output_in_order): New static function.
17251 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
17252 !flag_toplevel_reorder case.
17253 * c-parser.c: Include "cgraph.h".
17254 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
17256 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
17257 than -fno-unit-at-a-time.
17258 * doc/invoke.texi (Option Summary): Mention
17259 -fno-toplevel-reorder.
17260 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
17261 -funit-at-a-time documentation.
17263 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
17264 Kazu Hirata <kazu@codesourcery.com>
17266 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
17268 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
17270 * Makefile.in (FUNCTION_H): New. Use it instead of
17271 function.h throughout the file.
17272 * function.h: Include tree.h.
17274 2006-01-17 Ben Elliston <bje@au.ibm.com>
17276 * recog.c: Separate some functions with whitespace.
17278 2006-01-16 Richard Henderson <rth@redhat.com>
17280 Merge from gomp branch:
17281 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
17282 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
17283 and rename from struct inline_data. Rename callee* to dst*;
17284 caller* to src*; add copy_decl hook, transform_call_graph_edges,
17285 transform_new_cfg, transform_return_to_modify, and
17286 transform_lang_insert_block flags; remove cloning_p, versioning_p,
17288 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
17289 (copy_decl_for_dup): Remove.
17290 * tree-inline.c (struct inline_data): Move to header.
17291 (insert_decl_map): Export.
17292 (remap_decl): Update for member name changes. Use copy_decl hook.
17293 Allow for replacement to be a non-decl. Remove dead code.
17294 (remap_type_1): Check for existing mapping.
17295 (remap_type): Export.
17296 (remap_decls): Update for member name changes.
17297 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
17298 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
17299 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
17300 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
17301 (tree_function_versioning, build_duplicate_type): Likewise.
17302 (copy_body_r): Likewise. Export.
17303 (copy_decl_for_dup): Split into ...
17304 (copy_decl_for_dup_finish, copy_decl_to_var,
17305 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
17306 (replace_ref_tree, inlining_p): Remove.
17308 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17310 * ifcvt.c (if_convert): Make it static.
17311 * rtl.h: Remove the prototype for if_convert.
17313 * local-alloc.c (local_alloc): Make it static.
17314 * rtl.h: Remove the prototype for local_alloc.
17316 * loop.c (loop_optimize): Make it static.
17317 * cfgloop.h: Remove the prototype for loop_optimize.
17320 2006-01-16 DJ Delorie <dj@redhat.com>
17322 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
17325 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17327 * pa.md: Disparage copies between general and floating-point registers
17328 in 32-bit move patterns.
17330 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
17333 * Makefile.in (check-%): Depend on site.exp instead of
17334 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
17337 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17339 * global.c (global_alloc): Make it static.
17340 * rtl.h: Remove the prototype for global_alloc.
17342 2006-01-16 Richard Guenther <rguenther@suse.de>
17344 * tree-ssa-alias.c (struct used_part): Add write_only field.
17345 (get_or_create_used_part_for): Initialize it to true.
17346 (create_overlap_variables_for): Don't create structure variables
17347 for structures that only are written to.
17348 (find_used_portions): Handle MODIFY_EXPR to track whether a
17349 structure is only written to.
17351 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17353 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
17355 * basic-block.h: Remove the prototype for
17356 partition_hot_cold_basic_blocks.
17358 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
17360 * cppspec.c (lang_specific_spec_functions): Remove.
17361 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
17362 * gcc.h (lang_specific_spec_functions): Remove.
17363 * gccspec.c (lang_specific_spec_functions): Remove.
17365 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
17367 * combine.c (record_value_for_reg): Invalidate registers
17369 (record_dead_and_set_regs_1): Likewise, by passing them to
17370 record_value_for_reg.
17371 (record_dead_and_set_regs): Invalidate stores made by a
17372 call. We do not combine across a call, but we still
17373 relied on equivalences.
17375 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17377 * tree-vrp.c (extract_range_from_binary_expr): Cope with
17378 vrp_int_const_binop returning non-constant nodes.
17380 2006-01-16 Paul Brook <paul@codesourcery.com>
17382 * config/m68k/m68k.c (output_move_const_into_data_reg):
17383 Output correct mnemonic for mvz and mvs.
17385 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
17387 * rtl-factoring.c: Add sequence abstraction algorithm.
17388 * cfgcleanup.c (outgoing_edges_match): Extra checks.
17389 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
17391 (block_has_preserve_label): New function.
17392 * common.opt: Register new pass.
17393 * Makefile.in: Ditto.
17395 * timevar.def: Ditto.
17396 * tree-pass.h: Ditto.
17397 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
17398 * rtl.h (make_jump_insn_raw): Add forward decl.
17399 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
17401 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
17402 Roger Sayle <roger@eyesopen.com>
17404 * fold-const.c (fold_minmax): New static function.
17405 (fold_binary) <MIN_EXPR>: Call it.
17406 <MAX_EXPR>: Likewise.
17407 * stor-layout.c (place_field): Use DECL_SIZE consistently
17408 in the computation of the new record size.
17410 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
17412 * cse.c (cse_condition_code_reg): Make it static.
17413 * rtl.h: Remove the prototype for cse_condition_code_reg.
17415 * combine.c (combine_instructions): Make it static.
17416 * rtl.h: Remove the prototype for combine_instructions.
17418 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17421 * tree.c (get_file_function_name_long): Concatenate the first global
17422 object name with a string derived from the input filename of the object
17425 2006-01-16 Ben Elliston <bje@au.ibm.com>
17427 * config/i386/winnt-stubs.c: Update FSF address.
17428 * config/xtensa/ieee754-df.S: Ditto.
17429 * config/xtensa/ieee754-sf.S: Ditto.
17431 2006-01-14 Ian Lance Taylor <ian@airs.com>
17433 * ifcvt.c (noce_init_if_info): New static function, broken out of
17434 noce_process_if_block.
17435 (noce_process_if_block): Call noce_init_if_info.
17436 (check_cond_move_block): New static function.
17437 (cond_move_process_if_block): New static function.
17438 (process_if_block): Call cond_move_process_if_block.
17440 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
17442 * cselib.c (hash_table): Rename to cselib_hash_table.
17443 (cselib_clear_table, discard_useless_values,
17444 remove_useless_values, cselib_lookup_mem, cselib_lookup,
17445 cselib_init, cselib_finish): Adjust uses of hash_table.
17447 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
17449 PR tree-optimization/25485
17450 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
17451 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
17452 is known to be false and true, respectively.
17454 2006-01-14 Richard Guenther <rguenther@suse.de>
17456 PR tree-optimization/22548
17457 PR tree-optimization/22555
17458 PR tree-optimization/22501
17459 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
17460 * params.def (salias-max-array-elements): New parameter.
17461 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
17462 * doc/invoke.texi (salias-max-array-elements): Document.
17463 * tree-flow-inline.h (var_can_have_subvars): We also handle
17465 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
17467 * tree-ssa-structalias.c (params.h): Include.
17468 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
17469 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
17470 (get_constraint_for): For ADDR_EXPR operating on something
17471 containing an ARRAY_REF, add all subvars to the solution.
17472 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
17473 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
17474 for creating MUST_DEFs.
17475 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
17477 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17479 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
17481 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
17482 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
17483 number_of_iterations_le): New functions.
17484 (number_of_iterations_special): Removed.
17485 (number_of_iterations_exit): Do not use number_of_iterations_special.
17486 * tree.c (unsigned_type_for): Always return integer type.
17488 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
17489 Richard Guenther <rguenther@suse.de>
17491 PR rtl-optimization/24257
17492 * gcse.c (find_moveable_store): Only consider a store movable
17493 when the SET_SRC of the insn can be assigned to a register.
17495 2006-01-14 Ian Lance Taylor <ian@airs.com>
17497 * tree.c (tree_not_class_check_failed): New function.
17498 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
17499 (tree_not_class_check_failed): Declare.
17501 2006-01-13 Ian Lance Taylor <ian@airs.com>
17503 * reload1.c (do_output_reload): Add assertion rejecting a
17506 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
17508 * combine.c (struct reg_stat): Add new fields truncation_label and
17510 (record_value_for_reg): Reset truncated_to_mode.
17511 (record_truncated_value): New function.
17512 (check_promoted_subreg): Call it. Rename to check_conversions.
17513 (combine_instructions): Rename check_promoted_subreg to
17515 (reg_truncated_to_mode): New function.
17516 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
17517 (gen_lowpart_or_truncate): New function.
17518 (force_to_mode): Use it instead of gen_lowpart.
17520 2006-01-13 Diego Novillo <dnovillo@redhat.com>
17522 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
17523 VAR is a tag, not its type tag.
17525 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
17527 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
17528 alternatives to match style of other entries.
17529 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
17531 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
17533 PR tree-optimization/25771
17534 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
17537 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
17540 * tree-inline.c (declare_return_variable): If the return variable
17541 was marked as a non gimple complex, set the return slot variable
17542 to be a non gimple comple variable.
17544 2006-01-13 Richard Guenther <rguenther@suse.de>
17546 * builtins.c (expand_builtin_sincos): New function.
17547 (expand_builtin_mathfn_3): Remove dead code, sin and cos
17549 (expand_builtin): Expand sincos using expand_builtin_sincos.
17551 2006-01-12 DJ Delorie <dj@redhat.com>
17553 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
17554 shift counts, separate SI shifts for m32c vs m16c, pass shift type
17555 so that constant shifts can be split.
17556 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
17557 (m32c_valid_pointer_mode): Make static.
17558 (shift_gen_func_for): New.
17559 (m32c_prepare_shift): Use it. Split large const shifts into
17561 * config/m32c/predicates.md (shiftcount_operand): Allow more
17563 (longshiftcount_operand): New.
17564 * doc/md.texi (Machine Constraints): Document In6.
17566 2006-01-13 Ben Elliston <bje@au.ibm.com>
17568 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
17569 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
17572 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
17574 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
17575 to try to avoid clobbering pieces of structures when we know
17576 something about the whole structure.
17577 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
17579 2006-01-13 Ben Elliston <bje@au.ibm.com>
17581 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
17582 return in memory, as this is no limitation is no longer present.
17584 2006-01-12 DJ Delorie <dj@redhat.com>
17586 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
17587 mova with fb, and for fb+0 -> An.
17589 * config/m32c/mov.md (peephole2): Fix enabling logic.
17591 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
17592 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
17593 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
17594 FINI_ARRAY_SECTION_ASM_OP): Define.
17596 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
17598 (m32c_legitimize_reload_address): New logic to reload FB to An.
17599 (m32c_output_reg_push): Add newline.
17600 (m32c_output_reg_pop): Likewise.
17602 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
17604 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
17606 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
17608 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
17610 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17612 * config/sh/predicates.md (sh_rep_vec): Add parallel to
17615 2006-01-11 Ben Elliston <bje@au.ibm.com>
17617 * rtlanal.c (find_reg_note): Assert insn is not null.
17619 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17621 * df-scan.c (df_hard_reg_init): Move declaration of i outside
17624 2006-01-11 Jeff Law <law@redhat.com>
17626 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
17628 (mark_threaded_blocks, register_jump_thread): New functions.
17629 (thread_through_all_blocks): Remove unwanted argument. No
17630 longer rely on e->aux to communicate thread target info.
17631 Call mark_threaded_blocks. Release the threaded_blocks
17632 bitmap and threaded_edges vector when complete.
17633 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
17634 (threaded_blocks): Remove.
17635 (tree_ssa_dominator_optimize): Remove initialization and
17636 finalization of threaded_blocks. Simplify call to
17637 thread_through_all_blocks.
17638 (thread_across_edge): Call register_jump_thread rather than
17639 storing thread information into e->aux.
17640 (free_all_edge_infos): Simplify now that e->aux is no longer
17641 used to communicate with thread_through_all_blocks.
17642 * tree-flow.h (thread_through_all_blocks): Update prototype.
17643 (register_jump_thread): Prototype.
17645 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17647 * df-core.c (df_compact_blocks, df_bb_replace): Use
17648 SET_BASIC_BLOCK instead of BASIC_BLOCK.
17650 2006-01-11 Richard Guenther <rguenther@suse.de>
17652 PR tree-optimization/25734
17653 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
17654 stop propagation after successful propagation to the LHS.
17656 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
17658 * basic-block.h (control_flow_graph): Change the type of
17659 x_basic_block_info to VEC(basic_block,gc) *.
17660 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
17662 (SET_BASIC_BLOCK): New.
17663 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
17664 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
17665 * cfgbuild.c (find_basic_blocks): Likewise.
17666 * cfglayout.c (fixup_reorder_chain): Likewise.
17667 * cfgrtl.c (create_basic_block_structure,
17668 rtl_create_basic_block): Likewise.
17669 * ifcvt.c (find_if_case_1): Likewise.
17670 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
17673 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
17675 * Makefile.in: Removed rotted odf.c entry.
17677 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
17680 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
17681 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
17682 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
17683 output pattern modifier, not %e.
17684 * config/cris/cris.c (cris_op_str): Update comment about pattern
17686 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
17687 before falling through into...
17688 <case 'E'>: Redefined from old 'e' case.
17690 2006-01-11 Jan Hubicka <jh@suse.cz>
17693 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
17695 2006-01-11 Jan Hubicka <jh@suse.cz>
17697 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
17698 * i386.c (x86_decompose_lea): Kill.
17699 (ix86_rtx_costs): Kill.
17701 2006-01-11 Jan Hubicka <jh@suse.cz>
17703 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
17704 * cgraph.h (cgraph_node): Add inline_decl.
17705 (cgraph_insert_node_to_hashtable): Declare.
17706 (save_inline_function_body): Declare.
17707 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
17709 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
17710 (cgraph_function_versioning): Update call of tree_function_versioning.
17711 (save_inline_function_body): New function.
17712 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
17713 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
17714 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
17715 (cgraph_default_inline_p): Likewise.
17716 (cgraph_decide_inlining_incrementally): Likewise.
17717 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
17718 (copy_bb): Kill saving; do updating of clones.
17719 (copy_cfg_body): Kill saving.
17720 (initialize_inlined-parameters): Likewise.
17721 (expand_call_inline): Likewise.
17723 (tree_function_versioning): New parameter "update_clones".
17724 (inlining_p): Kill saving.
17725 * tree-inline.h (tree_function_versioning): Update prototype.
17726 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
17729 2006-01-11 Ian Lance Taylor <ian@airs.com>
17731 * combine.c (struct undo): Remove is_int. Enumify types of undos.
17732 Allow undoing set of machine mode.
17733 (do_SUBST): Use enums instead of is_int.
17734 (do_SUBST_MODE): New function.
17735 (SUBST_MODE): New macro.
17736 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
17737 reg and trying to replace reg_regno_rtx with a new register.
17738 (undo_all): Use new enums, handle undoing a PUT_MODE change.
17739 (simplify_set): Use SUBST_MODE.
17740 (distribute_notes): Remove code that tried to update reg notes
17741 for regno_reg_rtx changes.
17743 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
17745 PR tree-optimization/23109
17746 PR tree-optimization/23948
17747 PR tree-optimization/24123
17749 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
17750 * tree-cfg.c (single_noncomplex_succ): New.
17751 * tree-flow.h (single_noncomplex_succ): Declare it.
17752 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17753 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
17754 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
17755 insert_bb, register_division_in, insert_reciprocals,
17756 replace_reciprocal, free_bb): New.
17757 (execute_cse_reciprocals_1): Rewritten.
17758 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
17759 Do not commit any edge insertion. Always compute dominators and
17760 create the allocation pool.
17761 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
17762 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
17763 * targhooks.c (default_min_divistions_for_recip_mul): New.
17764 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
17765 * passes.c (init_optimization_passes): Run recip after tree loop
17767 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
17769 2006-01-11 Danny Berlin <dberlin@dberlin.org>
17770 Kenneth Zadeck <zadeck@naturalbridge.com>
17772 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
17773 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
17774 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
17775 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
17776 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
17777 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
17778 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
17779 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
17780 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
17781 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
17782 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
17783 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
17784 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
17785 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
17786 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
17787 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
17788 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
17789 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
17790 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
17791 DF_SCAN_POST_ALLOC): New macros.
17792 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
17793 df_free_bb_function, df_local_compute_function, df_init_function,
17794 df_dataflow_function, df_confluence_function_0,
17795 df_confluence_function_n, df_transfer_function,
17796 df_finalizer_function, df_free_function, df_dump_problem_function,
17797 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
17798 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
17799 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
17800 df_urec_bb_info, ) New types.
17801 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
17803 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
17804 df_analyze_simple_change_some_blocks,
17805 df_analyze_simple_change_one_block, df_compact_blocks,
17806 df_bb_replace, df_bb_regno_last_use_find,
17807 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
17808 df_insn_regno_def_p, df_find_def, df_find_use,
17809 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
17810 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
17811 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
17812 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
17813 debug_df_chain, df_get_dependent_problem, df_chain_create,
17814 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
17815 df_grow_bb_info, df_chain_dump, df_print_bb_index,
17816 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
17817 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
17818 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
17819 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
17820 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
17821 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
17822 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
17823 df_ref_remove, df_insn_refs_delete, df_refs_delete,
17824 df_reorganize_refs, df_set_state, df_hard_reg_init,
17825 df_read_modify_subreg_p) New public functions.
17826 * df-core.c: The core dataflow solver and glue routines for rtl
17828 (df_init, df_add_problem, df_set_blocks, df_finish,
17829 df_hybrid_search_forward, df_hybrid_search_backward,
17830 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
17831 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
17832 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
17833 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
17834 df_reg_defined, df_find_use, df_reg_used, df_dump,
17835 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
17836 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
17837 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
17838 debug_df_useno, reset_df_after_reload): New functions.
17839 * df-scan.c: The scanning fuctions, once in df.c, completely
17840 rewritten so that they now fully model the functionality of
17841 register usage at the backend.
17842 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
17843 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
17844 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
17845 df_grow_insn_info, df_rescan_blocks, df_ref_create,
17846 df_get_artificial_defs, df_get_artificial_uses,
17847 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
17848 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
17849 df_refs_delete, df_reorganize_refs, df_set_state,
17850 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
17851 df_def_record_1, df_defs_record, df_uses_record,
17852 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
17853 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
17854 df_record_exit_block_uses, df_hard_reg_init): New functions.
17856 * df-problems.c: Seven concrete dataflow problems that use the
17857 scanning in df-scan.c and are solved by the engine in df-core.c.
17858 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
17859 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
17860 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
17861 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
17862 df_ru_free_bb_info, df_ru_alloc,
17863 df_ru_bb_local_compute_process_def,
17864 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
17865 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
17866 df_ru_transfer_function, df_ru_free, df_ru_dump,
17867 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
17868 df_rd_free_bb_info, df_rd_alloc,
17869 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
17870 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
17871 df_rd_transfer_function, df_rd_free, df_rd_dump,
17872 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
17873 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
17874 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
17875 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
17876 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
17877 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
17878 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
17879 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
17880 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
17881 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
17882 df_urec_mark_reg_change, df_urec_check_earlyclobber,
17883 df_urec_mark_reg_use_for_earlyclobber,
17884 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
17885 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
17886 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
17887 df_urec_dump, df_urec_add_problem, df_chain_alloc,
17888 df_chain_create_bb_process_use, df_chain_create_bb,
17889 df_chain_finalize, df_chain_free, df_chains_dump,
17890 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
17891 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
17892 df_reg_lifetime): New functions.
17893 * df.c: Deleted file.
17894 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
17895 consistent with new df api.
17896 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
17897 rest_of_handle_sms): Ditto.
17898 * web.c (unionfind_union, union_defs, entry_register, web_main):
17900 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
17901 invariant_expr_equal_p, find_defs, check_dependencies,
17902 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
17903 free_inv_motion_data, move_loop_invariants): Ditto.
17904 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
17905 Update dependencies.
17906 (odf.c): Added defective entry that was deleted later in day.
17907 * sched-deps.c (sched_analyze_1): Ditto.
17909 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17911 * tree-ssa-operands.c (get_expr_operands): Record addressable
17912 variables directly. Do not call add_stmt_operands for CONST_DECLs
17914 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
17915 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
17917 2006-01-11 Ben Elliston <bje@au.ibm.com>
17919 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
17920 function returns true in the positive case.
17922 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17925 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
17926 for SI, DI, SF and DF modes. Add alternatives to copy between
17927 general and floating point registers to the 32-bit patterns.
17928 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
17929 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
17930 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
17931 generating 64-bit code.
17932 * config/pa/pa.c (output_move_double): Handle copies between general
17933 and floating registers.
17935 2006-01-10 Stuart Hastings <stuart@apple.com>
17937 * config/i386/i386.md (set_got): Update.
17938 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
17939 (builtin_setjmp_receiver): Mach-O support.
17940 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
17941 (GOT_SYMBOL_NAME): Define.
17942 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
17943 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
17944 * config/i386/i386.c (override_options): Revise for Darwin.
17945 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
17946 support. (darwin_x86_file_end): New. (output_set_got): Add label
17947 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
17948 * config/i386/i386-protos.h (output_set_got): Likewise.
17949 * config/darwin.c (machopic_legitimize_pic_address): Update
17952 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
17954 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
17955 when MODE isn't BLKmode.
17957 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
17959 PR rtl-optimization/25367
17960 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
17962 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
17965 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
17966 for a negative bound.
17968 2006-01-10 Richard Guenther <rguenther@suse.de>
17970 * tree-ssa-structalias.c (get_constraint_for_component_ref):
17971 Never override with anything constraint.
17973 2006-01-10 Jan Beulich <jbeulich@novell.com>
17975 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
17976 256 bits when optimize_size.
17978 2006-01-10 Jan Beulich <jbeulich@novell.com>
17980 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
17982 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
17983 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
17986 2006-01-10 Ben Elliston <bje@au.ibm.com>
17988 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
17990 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
17991 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17992 (USE_FP_FOR_ARG): Reject decimal float modes.
17993 (function_arg_advance): Likewise.
17994 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
17995 (rs6000_handle_altivec_attribute): Do not permit decimal floating
17996 point types in AltiVec vectors.
17997 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
17998 (rs6000_libcall_value): Likewise.
18000 2006-01-09 Bob Wilson <bob.wilson@acm.org>
18002 * config/xtensa/ieee754-df.S: New file.
18003 * config/xtensa/ieee754-sf.S: New file.
18004 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
18005 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
18006 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
18008 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
18010 * config/sh/predicates.md (binary_float_operator,
18011 binary_logical_operator, commutative_float_operator,
18012 equality_comparison_operator, greater_comparison_operator,
18013 less_comparison_operator, logical_operator,
18014 noncommutative_float_operator, shift_operator,
18015 symbol_ref_operand, unary_float_operator): Remove redundant
18018 2006-01-09 Jeff Law <law@redhat.com>
18020 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
18021 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
18022 now unused arguments. Callers updated.
18023 (eliminate_redundant_computations): Remove now unused arguments,
18025 (local_fold): Remove, no longer used.
18026 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
18028 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
18029 (simplify_cond): New function.
18030 (forward_propagate_into_cond): Call simplify_cond.
18032 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
18034 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
18035 (*vec_extractv2di_1_sse): New.
18037 2006-01-09 Ben Elliston <bje@au.ibm.com>
18039 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
18041 2006-01-08 Richard Guenther <rguenther@suse.de>
18043 * tree-ssa-structalias.c (get_constraint_for): Remove
18044 anyoffset argument.
18045 (get_constraint_for_component_ref): Likewise.
18046 (do_deref): Likewise.
18047 (get_constraint_for): Likewise.
18048 (do_structure_copy): Likewise.
18049 (handle_ptr_arith): Likewise.
18050 (find_func_aliases): Likewise. Remove unused need_anyoffset
18053 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
18054 Kaz Kojima <kkojima@gcc.gnu.org>
18056 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
18057 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
18058 (EXTRA_CONSTRAINT_C16): Remove.
18059 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
18060 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
18061 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
18062 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
18063 constants of SHmedia. Handle nested constant expressions of
18065 (andcosts): Fix the costs for SHmedia constants.
18066 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
18067 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
18068 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
18069 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
18070 (movv4hi_i, movv2si_i): Likewise.
18071 (movsi_const): Adjust the second operand of ior so to match with
18072 the Csu constraint.
18073 (movdi_const, movdi_const_32bit): Likewise.
18074 (movdi_const_16bit+1): Don't sign-extend LOW.
18075 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
18077 (*double_shori): Fix the split condition. Use GEN_INT instead
18078 of get_int_mode calls. Mask lower 16-bit of the argument of
18080 (sym2GOTPLT): Remove.
18081 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
18083 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
18084 instead of EXTRA_CONSTRAINT_C16.
18086 2006-01-07 Ian Lance Taylor <ian@airs.com>
18087 David Edelsohn <edelsohn@gnu.org>
18089 PR rtl-optimization/25662
18090 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
18091 for constant operands instead of simplify_gen_binary.
18092 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
18093 after trying simplify_binary_operation
18095 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
18097 * tree.c (iterative_hash_expr): Hash decls based on UID.
18099 2006-01-06 Eric Christopher <echristo@apple.com>
18101 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
18102 (TARGET_UNWIND_EMIT): Fix spelling.
18103 * target.h (gcc_target): Add except_table_label.
18104 * except.c (output_function_exception_table): Use.
18105 * varasm.c (default_emit_except_table_label): New.
18106 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
18108 (asm_out): Add here.
18109 * output.h (default_emit_except_table_label): Prototype.
18110 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
18111 * config/darwin.c (darwin_emit_except_table_label): Define.
18112 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
18114 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
18116 PR tree-optimization/18527
18117 * tree-ssa-loop-niter.c (number_of_iterations_cond,
18118 number_of_iterations_special, number_of_iterations_exit):
18119 Move base and step of an iv to a single structure. Add
18120 no_overflow flag, and use it in # of iterations analysis.
18121 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
18122 folded_casts argument.
18123 (simple_iv): Pass base and step in a structure. Set no_overflow
18125 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
18126 Evaluate expensiveness of computing # of iterations instead of
18127 the final expression.
18128 * tree-scalar-evolution.h (affine_iv): New structure.
18129 (simple_iv): Declaration changed.
18130 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
18131 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
18132 find_givs_in_stmt): Changed due to simple_iv change.
18134 2006-01-06 Jeff Law <law@redhat.com>
18137 * tree-cfg.c (bsi_replace): Rename final argument from
18138 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
18139 change (stmt -> orig_stmt).
18140 * tree-eh.c (verify_eh_throw_stmt_node): New function.
18141 (bsi_remove): Add new argument. Remove EH information
18143 (verify_eh_throw_table_statements): New function.
18144 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
18146 * tree-optimize.c (execute_free_cfg_annotations): Verify
18147 the EH throw statement table after removing annotations.
18148 * except.h (verify_eh_throw_table_statements): Prototype.
18149 * tree-flow.h (bsi_remove): Update prototype.
18150 * tree-vrp.c (remove_range_assertions): Add new argument to
18152 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
18153 * tree-complex.c (expand_complex_div_wide): Likewise.
18154 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
18155 * tree-tailcall.c (eliminate_tailcall): Likewise.
18156 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
18157 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
18158 * tree-nrv.c (tree_nrv): Likewise.
18159 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
18160 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
18161 (combine_blocks): Likewise.
18162 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
18163 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
18164 (cleanup_control_flow): Likewise.
18165 (remove_forwarder_block): Likewise.
18166 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
18167 * tree-sra.c (sra_replace): Likewise.
18168 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
18169 (forward_propagate_single_use_vars): Likewise.
18170 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
18171 * tree-inline.c (expand_call_inline): Likewise.
18172 * tree-vect-transform.c (vect_transform_loop): Likewise.
18173 * tree-outof-ssa.c (rewrite_trees): Likewise.
18174 * tree-cfg.c (make_goto_expr_edges): Likewise.
18175 (cleanup_dead_labels): Likewise.
18176 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
18177 (bsi_move_before, bsi_move_after): Likewise.
18178 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
18179 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
18181 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
18184 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
18186 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
18187 on non gimple variables. Also add checks at the top for decls and
18189 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
18191 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
18192 and IMAGPART_EXPR for creating MUST_DEFs.
18193 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
18194 and NAME_MEMORY_TAG separately from the DECLs.
18196 2006-01-06 Richard Guenther <rguenther@suse.de>
18198 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
18199 annotation, if necessary.
18200 * tree-ssa-pre.c (create_expression_by_pieces): Remove
18201 redundant calls to update_stmt.
18202 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
18205 2006-01-05 Richard Henderson <rth@redhat.com>
18207 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
18209 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18211 * c-typeck.c: Update copyright date.
18213 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
18215 * c-typeck.c (build_c_cast): Always warn when casting
18216 from a pointer to an integer of different size, even if
18217 the node was constant.
18219 2006-01-05 Richard Guenther <rguenther@suse.de>
18221 PR tree-optimization/22555
18222 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
18223 if one structure field is an array.
18224 * tree-ssa-operands.c (get_expr_operands): Continue scanning
18225 operands even if we found a subvar, but ignore VOPs in this
18227 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
18229 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
18231 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
18233 PR middle-end/24998
18234 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
18236 2006-01-05 Richard Guenther <rguenther@suse.de>
18237 Diego Novillo <dnovillo@redhat.com>
18239 * tree-pass.h (TODO_remove_unused_locals): Define.
18240 * gimple-low.c (expand_var_p, remove_useless_vars,
18241 pass_remove_useless_vars): Remove. Update all users.
18242 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
18243 (remove_unused_locals): New function.
18244 * tree-flow.h (remove_unused_locals): Declare.
18245 * passes.c (execute_todo): Call remove_unused_locals if
18246 TODO_remove_unused_locals is set.
18247 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
18248 * tree-ssa-dce.c (pass_dce): Likewise.
18249 * tree-outof-ssa.c (pass_del_ssa): Likewise.
18251 2006-01-05 Richard Guenther <rguenther@suse.de>
18253 * tree-flow.h (struct fieldoff): Decompose field to
18254 type, size and decl.
18255 * tree-ssa-alias.c (create_sft): Take type as parameter.
18256 (create_overlap_variables_for): Store type, size and decl
18257 in the fieldoff structure.
18258 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
18259 of struct fieldoff.
18260 (push_fields_onto_fieldstack): Likewise.
18261 (create_variable_info_for): Likewise. Use offset for the
18262 SFT name if the decl is not available.
18264 2006-01-04 Paul Brook <paul@codesourcery.com>
18266 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
18268 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
18270 * lambda-code.c (can_put_in_inner_loop): Relax
18272 (can_put_after_inner_loop): New function.
18273 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
18274 (perfect_nestify): Change to make copies and modify uses.
18276 2006-01-04 Richard Henderson <rth@redhat.com>
18278 Merge from gomp branch:
18279 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
18280 via integer constant.
18281 (pragma_lex): Remove.
18282 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
18283 rather than parsing it.
18284 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
18285 handle_pragma_extern_prefix): Add %< %> quotes.
18286 (registered_pragmas): New.
18287 (c_register_pragma_1): New.
18288 (c_register_pragma): Use it.
18289 (c_register_pragma_with_expansion): Likewise.
18290 (c_invoke_pragma_handler): New.
18291 (init_pragma): Use cpp_register_deferred_pragma directly for
18293 * c-pragma.h (enum pragma_kind): New.
18294 (pragma_handler): New.
18295 (c_invoke_pragma_handler): Declare.
18296 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
18298 * c-common.h (c_common_pch_pragma): Update decl.
18299 * Makefile.in (c-parser.o): Update dependencies.
18300 (GTFILES): Add c-pragma.h.
18301 * c-parser.c (struct c_token): Add pragma_kind.
18302 (struct c_parser): Add in_pragma.
18303 (c_lex_one_token): Always initialize keyword and pragma_kind.
18304 Extract data for CPP_PRAGMA.
18305 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
18306 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
18307 Don't allow CPP_PRAGMA_EOL if in_pragma.
18308 (c_parser_consume_pragma): New.
18309 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
18310 (c_parser_skip_to_end_of_parameter): Likewise.
18311 (c_parser_skip_to_end_of_block_or_statement): Likewise.
18312 (c_parser_skip_to_pragma_eol): New.
18313 (c_parser_external_declaration): Handle CPP_PRAGMA.
18314 (c_parser_compound_statement_nostart): Likewise.
18315 (c_parser_statement_after_labels): Likewise.
18316 (c_parser_pragma): New.
18317 (pragma_lex): Likewise.
18318 (c_parser_pragma_pch_preprocess): New.
18319 (c_parser_new): Merge into ...
18320 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
18322 2006-01-04 Jeff Law <law@redhat.com>
18325 * tree-cfg.c (bsi_replace): Remove the original statement
18326 from the EH throw statement table.
18328 2006-01-04 Jakub Jelinek <jakub@redhat.com>
18330 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
18331 make the prototype extern "C" and add throw ().
18334 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
18335 and pos non-negative and pos + len <= 32.
18336 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
18337 drop pos + len < HOST_BITS_PER_WIDE_INT test.
18338 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
18341 * c-common.c (handle_vector_size_attribute): Reject zero vector size
18342 as well as sizes not multiple of component size.
18345 * function.c (instantiate_expr): New function.
18346 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
18347 walk its DECL_VALUE_EXPR with instantiate_expr.
18349 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
18350 DW_OP_deref{,_size} if address isn't going to be added.
18352 2006-01-04 Ben Elliston <bje@au.ibm.com>
18354 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
18355 * config/fp-bit.c: Likewise.
18357 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
18359 * dominance.c: Add comment about why we use DFS numbering
18362 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18363 Richard Henderson <rth@redhat.com>
18365 Merge from gomp-branch:
18366 * varasm.c (assemble_variable): Handle thread-local COMMON data.
18367 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
18369 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
18371 PR rtl-optimization/25578
18372 * combine.c (combine_simplify_rtx, force_to_mode): Don't
18373 pass a parameter to simplify_shift_const if changing ASHIFTRT
18376 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
18378 * builtins.c (get_builtin_sync_mem): New function.
18379 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
18380 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
18381 Call get_builtin_sync_mem to generate mem rtx.
18383 2006-01-03 Richard Guenther <rguenther@suse.de>
18386 * stmt.c (add_case_node): Make sure to clear overflow flags
18389 2006-01-03 Jakub Jelinek <jakub@redhat.com>
18391 Merge from gomp-branch.
18392 * config/sparc/sync.md: New file.
18393 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
18394 UNSPECV_LDSTUB): New constants.
18395 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
18396 * config/sparc/predicates.md (memory_reg_operand): New predicate.
18397 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
18400 2006-01-03 Roger Sayle <roger@eyesopen.com>
18402 * combine.c (reg_subword_p): New predicate to test whether the
18403 destination of a set refers to a subword/piece of a register.
18404 (try_combine): Generalize the code to merge the setting of a
18405 pseudo to a constant followed by a set of a subword of that
18406 register to a constant.
18408 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
18410 * basic-block.h (control_flow_graph): Change the type of
18411 x_label_to_block_map to VEC(basic_block,gc) *.
18412 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
18413 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
18415 * tree-ssa-propagate.c (cfg_blocks): Change the type to
18416 VEC(basic_block,heap) *.
18417 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
18418 ssa_prop_fini): Adjust the uses of cfg_blocks.
18420 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
18422 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
18424 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
18425 hashing trees instead of a pointer hash.
18426 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
18427 compare for MEM_EXPR.
18429 PR rtl-optimization/25130
18430 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
18431 when comparing MEMs for GCSE
18433 2006-01-03 Ben Elliston <bje@au.ibm.com>
18435 * targhooks.h (default_decimal_float_supported_p): Declare.
18436 * targhooks.c (default_decimal_float_supported_p): Define.
18437 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
18438 `default_decimal_float_supported_p'.
18439 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
18441 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
18443 * combine.c (apply_distributive_law <SUBREG>): Check
18444 TRULY_NOOP_TRUNCATION.
18446 2006-01-02 Geoffrey Keating <geoffk@apple.com>
18448 * dwarf2out.c (have_switched_text_section): Delete.
18449 (have_multiple_function_sections): New.
18450 (have_location_lists): Make 'bool'.
18451 (add_AT_loc_list): Use 'true' not '1'.
18452 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
18453 (output_loc_list): Use have_multiple_function_sections.
18454 (output_ranges): Likewise.
18455 (dwarf2out_begin_function): Set have_multiple_function_sections if
18457 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
18458 Check function_section rather than DECL_SECTION_NAME.
18459 (dwarf2out_finish): Use have_multiple_function_sections.
18460 Don't clear have_location_lists.
18462 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
18463 Jan Hubicka <jh@suse.cz>
18465 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
18466 case of conditional jump jumping to the next instruction.
18467 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
18468 cases of conditional jump jumping to the next instruction.
18470 2006-01-02 Jan Hubicka <jh@suse.cz>
18472 * i386.c (*_cost): Add COSTS_N_INSNS.
18473 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
18475 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
18478 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
18480 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
18482 * config/arm/arm.c (all_fpus): Fix comment typo.
18483 * config/darwin.c: Likewise.
18484 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
18485 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
18486 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
18488 2006-01-01 David Edelsohn <edelsohn@gnu.org>
18490 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
18491 (rs6000_split_compare_and_swapqhi): New.
18492 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
18493 (sync_compare_and_swapqhi_internal): New.
18494 * config/rs6000/rs6000-protos.h: Declare.