1 2006-05-18 Michael Matz <matz@suse.de>
4 * config.host: Make assignments to host_xmake_file cumulative.
5 * config.host (*-darwin*): Test $host, not $target.
7 2006-05-12 Stuart Hastings <stuart@apple.com>
9 * gcc/config/i386/i386.opt (-mstackrealign): New flag. *
10 gcc/config/i386/i386.c (force_align_arg_pointer): New attribute.
11 (ix86_handle_cconv_attribute): Emit error when
12 force_align_arg_pointer attribute collides with too many regparms.
13 (ix86_function_regparm): Limit regparms when used with
14 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
15 Support stack-realigning prologue in non-main functions. Emit
16 warning for nested functions under -mstackrealign, emit error for
17 nested functions with force_align_arg_pointer attribute.
18 * gcc/doc/extend.texi (force_align_arg_pointer): Document it.
19 * gcc/doc/invoke.texi (-mstackrealign): Document it.
21 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
23 PR rtl-optimization/27477
24 * combine.c (try_combine): Don't split a parallel consisting
25 of two sets into two individual sets if both sets reference
28 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
30 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
31 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
33 * doc/options.texi (VarExists): Updated.
35 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
37 * unwind-dw2.c: Add declarations for uw_update_context and
39 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
40 detected, advance frame state and context once to skip over stub.
42 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
46 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
47 Call rewrite_into_loop_closed_ssa only when something changed.
48 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
49 * lambda-code.c (can_convert_to_perfect_nest): Declared.
50 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
51 Test for perfect_nest_p here. Fix formating.
52 (replace_uses_equiv_to_x_with_y): Fix formating.
53 (stmt_uses_op): Removed.
54 (can_convert_to_perfect_nest): Removed loopivs parameter.
55 Complete the test by checking the scalar dependences.
56 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
59 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
62 From Dan Kegel <dank@kegel.com>:
63 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
65 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
67 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
68 if the element type is variably modified without recursing.
70 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
73 * tree-loop-linear.c (try_interchange_loops): Test for
76 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
78 PR tree-optimization/27548
79 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
80 range of ssa names that appear on abnormal edges.
81 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
82 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
84 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
87 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
89 2006-05-17 Jakub Jelinek <jakub@redhat.com>
92 * tree.h (OMP_PARALLEL_COMBINED): Define.
93 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
94 (new_omp_context): Add is_combined_parallel argument.
95 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
96 new_omp_context caller.
97 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
98 Adjust gimplify_scan_omp_clauses callers.
99 (omp_is_private): Issue errors if iteration variable is firstprivate
100 or reduction in the current context.
101 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
102 on combined parallel workshare constructs.
104 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
106 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
107 (gcc-options.o): New rule.
109 * optc-gen.awk: Protect variables for gcc-options.o with
110 #ifdef GCC_DRIVER/#endif.
112 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
114 Fix PR tree-optimization/27373
115 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
116 (forward_propagate_addr_expr): Update call.
118 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
120 * doc/options.texi: Move the Negative option.
122 2006-05-16 Richard Guenther <rguenther@suse.de>
124 PR tree-optimization/22303
125 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
127 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
128 ccp_fold did not simplify the statement.
130 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
133 * Makefile.in (GCC_OBJS): New.
134 (OBJS-common): Add opts-common.o.
135 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
136 (cpp$(exeext)): Likewise.
137 (gcc.o): Also depend on opts.h.
138 (opts-common.o): New.
140 * common.opt (gcoff): Add Negative(gdwarf-2).
141 (gdwarf-2): Add Negative(gstabs).
142 (gstabs): Add Negative(gstabs+).
143 (gstabs+): Add Negative(gvms).
144 (gvms): Add Negative(gxcoff).
145 (gxcoff): Add Negative(gxcoff+).
146 (gxcoff+): Add Negative(gcoff).
147 * config/i386/i386.opt (m32): Add Negative(m64).
148 (m64): Add Negative(m32).
150 * doc/options.texi: Document the Negative option.
152 * gcc.c: Include "opts.h".
153 (main): Call prune_options after expandargv.
155 * optc-gen.awk: Generate common declarations for all flag
156 variables in options.c. Output the neg_index field.
158 * opts.c (find_opt): Moved to ...
159 * opts-common.c: Here. New file.
161 * opts.h (cl_option): Add a neg_index field.
163 (prune_options): Likewise.
165 2006-05-16 Jakub Jelinek <jakub@redhat.com>
168 * omp-low.c (expand_omp_parallel): Don't assert
169 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
170 instead search for it.
173 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
176 2006-05-16 Andreas Schwab <schwab@suse.de>
178 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
181 2006-05-15 Roger Sayle <roger@eyesopen.com>
184 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
185 integer constants other than zero are only legitimate on TARGET_64BIT.
186 <CONST_VECTOR> Only zero vectors are legitimate.
187 (ix86_cannot_force_const_mem): Integral and vector constants can
188 always be put in the constant pool.
190 2006-05-16 DJ Delorie <dj@redhat.com>
192 * crtstuff.c (__dso_handle): Set section from
193 TARGET_LBIGCC_SDATA_SECTION if defined.
194 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
195 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
197 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
200 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
203 2006-05-16 Ben Elliston <bje@au.ibm.com>
205 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
207 2006-05-15 Per Bothner <per@bothner.com>
209 * tree.c: (last_annotated_node): Use sources_locus typedef.
210 This permits bootstrapping with --enable-mapped-location.
212 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
214 PR tree-optimization/26830
215 * tree-into-ssa.c (struct ssa_name_info): Add age field.
216 (info_for_ssa_name, current_info_for_ssa_name_age,
217 blocks_to_update): New variables.
218 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
219 (clear_ssa_name_info, initialize_flags_in_bb,
220 mark_block_for_update): New functions.
221 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
222 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
223 prepare_def_site_for): Use mark_block_for_update.
224 (mark_def_interesting): Assert that the processed block is marked in
225 blocks_to_update. Do not take blocks argument.
226 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
228 (rewrite_update_init_block, rewrite_update_stmt): Only process
229 blocks with statements to rewrite.
230 (delete_update_ssa): Do not clear SSA_NAME_AUX.
231 (update_ssa): Initialize and free blocks_to_update. Do not
232 clear flags on statements. Do not use blocks bitmap.
233 * tree.h (SSA_NAME_AUX): Removed.
234 (struct tree_ssa_name): Removed aux field.
235 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
237 2006-05-15 Richard Guenther <rguenther@suse.de>
239 PR tree-optimization/27603
240 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
241 Do computations in original type.
243 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
245 * see.c: Code style changes such as redundant paranthesis,
246 redundant intialization of local variables etc.
247 (see_main): Declared now as static.
248 * doc/invoke.texi: Update that -fsee is not enabled by
251 2006-05-15 Jakub Jelinek <jakub@redhat.com>
253 * omp-low.c (check_omp_nesting_restrictions): New function.
254 (scan_omp_1): Call it.
257 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
258 construct, return *VAR.
260 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
262 PR rtl-optimization/27406
263 * bt-load.c (migrate_btr_def): Skip the block having abnormal
266 2006-05-14 Roger Sayle <roger@eyesopen.com>
268 PR rtl-optimization/27538
269 * combine.c (expand_compound_operation): Call gen_lowpart
270 before calling simplify_shift_const.
272 2006-05-14 Roger Sayle <roger@eyesopen.com>
274 PR rtl-optimization/22563
275 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
276 a fixed width bitfield, always force the intermediates into psuedos.
278 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
281 * mkconfig.sh: Use operator = instead of == for test.
283 2006-05-13 Nick Clifton <nickc@redhat.com>
285 * dwarf2out.c (dbx_reg_number): Check return value from
286 LEAF_REG_REMAP and only use it if it is valid.
287 (multiple_reg_loc_descriptor): Likewise.
289 2006-05-13 Richard Guenther <rguenther@suse.de>
291 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
294 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
296 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
297 information attached to non-INSNs such as NOTEs.
298 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
300 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
302 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
304 * config/s390/s390.md: Adjust comment describing On constraint.
306 2006-05-11 Jan Hubicka <jh@suse.cz>
308 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
311 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
314 * fold-const.c (size_binop): Move sanity check for arguments to
315 the beginning of the function.
318 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
321 2006-05-11 Richard Guenther <rguenther@suse.de>
324 * fold-const.c (fold_unary): Handle intermediate conversion
325 to a pointer type like intermediate conversion to an integer
326 type in folding of (T1)(T2)var to var.
327 Match the code to the comment in the final conversion for
328 (T1)(T2)var to (T1)var regarding to type precision. Rather
329 than disallow T1 being of pointer type, assert that both T1
330 and var are of pointer type or not. Make sure not to fall
331 over the frontends lazyness wrt array to pointer decay though.
333 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
335 * arm.c (arm_struct_value_rtx): Delete.
336 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
337 (arm_init_cumulative_args): Always initialize nregs to zero.
339 2006-05-10 Richard Guenther <rguenther@suse.de>
341 PR tree-optimization/27532
342 * tree-object-size.c (plus_expr_object_size): Fix typo.
344 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
347 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
348 ashrdi_const, ashrdi3): Use a scratch register.
350 2006-05-10 Richard Guenther <rguenther@suse.de>
352 PR tree-optimization/27302
353 * fold-const.c (operand_equal_p): For two comparisons,
354 try comparison of one comparison code swapped if that yields
357 2006-05-10 Ben Elliston <bje@au.ibm.com>
359 * tree-pretty-print.c (pretty_print_string): No need to handle
360 '\0' as a special character.
362 * tree.h: Include "hashtab.h".
363 (iterative_hash_expr): Use hashval_t in its prototype.
364 * Makefile.in (TREE_H): Add $(HASHTAB_H).
366 2006-05-09 Steve Ellcey <sje@cup.hp.com>
369 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
370 (hppa*64*-*-hpux11*): Ditto.
371 (hppa[12]*-*-hpux11*): Ditto.
373 2006-05-09 David Edelsohn <edelsohn@gnu.org>
376 * config/rs6000/aix41.h (TARGET_64BIT): Define.
378 2006-05-09 Michael Matz <matz@suse.de>
380 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
381 host_extra_gcc_objs and host_xmake_file.
382 (<*-*-linux*>): Don't overwrite host_xmake_file.
383 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
384 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
385 (host_detect_local_cpu): Declare.
386 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
387 * config/i386/i386.c (override_options): Handle -mtune=native
389 * config/i386/x-i386: New file.
390 * config/i386/driver-i386.c: New file.
391 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
394 2006-05-09 Dirk Mueller <dmueller@suse.de>
395 Richard Guenther <rguenther@suse.de>
398 * fold-const.c (fold_read_from_constant_string): Relax check
399 for matching types to matching modes.
401 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
403 PR rtl-optimization/27335
404 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
407 2006-05-08 Chao-ying Fu <fu@mips.com>
408 Richard Sandiford <richard@codesourcery.com>
410 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
411 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
412 * config/mips/mips.md (UNSPEC_SCC): New constant.
413 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
414 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
415 (mips_emit_compare): Use it.
416 (mips_expand_vcondv2sf): New function.
418 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
420 Fix PR tree-optimization/27093
421 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
422 renaming when they become not-used_alone.
424 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
426 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
427 relocation and relocation stubs.
429 2006-05-08 Eric Christopher <echristo@apple.com>
431 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
434 2006-05-08 Jan Hubicka <jh@suse.cz>
437 * cgraphunit.c (decide_is_function_needed): When not optimizing even
438 unused static functions are needed.
440 2006-05-08 Roger Sayle <roger@eyesopen.com>
443 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
444 of a reg_equiv_constant if the result is a legitimate constant.
446 2006-05-08 Uros Bizjak <uros@kss-loka.si>
449 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
450 standard 80387 constants, raise the cost to prevent
451 compress_float_constant() to generate load from memory.
453 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
455 * config/arm/constraints.md (c): Fix a typo.
457 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
460 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
463 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
465 (_mm_mwait): Likewise.
467 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
469 (sse3_monitor): Make it 32bit only.
470 (sse3_monitor64): New. 64bit monitor.
472 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
475 * config/i386/i386.c (classify_argument): Skip fields with invalid
478 2006-05-07 Richard Guenther <rguenther@suse.de>
480 PR tree-optimization/27409
481 * tree-ssa-structalias.c (get_constraint_for_component_ref):
482 Do not try to find zero-sized subvars.
484 2006-05-07 Richard Guenther <rguenther@suse.de>
486 PR tree-optimization/27136
487 * tree-ssa-loop-niter.c (get_val_for): Correct function
488 comment, assert requirements.
489 (loop_niter_by_eval): Stop processing if the iterated
490 value did not simplify.
492 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
494 * opts.c (flag_see): remove its setting at -O3.
496 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
498 * genpeep.c (main): Make insn-peep.c depend on flags.h.
499 * arm/constraints.md: New file.
500 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
501 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
502 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
503 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
504 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
505 (EXTRA_MEMORY_CONSTRAINT): Likewise.
506 * arm.md: Include constraints.md.
507 (thumb_movsi_insn): Use satisfies_constraint_J.
508 (movhi, movqi): Use satisfies_constraint_I.
510 2006-04-29 Anatoly Sokolov <aesok@post.ru>
512 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
513 for atmeg a645 device.
515 2006-05-06 Richard Guenther <rguenther@suse.de>
517 PR tree-optimization/27151
518 * tree-vect-transform.c (vectorizable_condition): Punt on
519 values that have a different type than the condition.
521 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
524 * c-parser.c (c_parser_cast_expression): Only insert casts into
525 hash table if pointer.
526 * function.c (used_types_insert_helper): Rename from
528 (used_types_insert): Call used_types_insert_helper.
529 * function.h (used_types_insert): Accept only one argument.
531 2006-05-05 David Edelsohn <edesohn@gnu.org>
533 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
534 scratch with output modifier.
536 2006-05-04 David Edelsohn <edelsohn@gnu.org>
539 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
540 with output modifier.
542 2006-05-04 Richard Sandiford <richard@codesourcery.com>
545 * config/mips/mips.c (mips_symbolic_address_p): Return true
546 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
547 SYMBOL_GOTTPREL, and SYMBOL_TLS.
549 2006-05-04 Richard Guenther <rguenther@suse.de>
551 PR tree-optimization/14287
552 PR tree-optimization/14844
553 PR tree-optimization/19792
554 PR tree-optimization/21608
555 PR tree-optimization/27090
556 * tree-ssa-pre.c (try_combine_conversion): New function.
557 (compute_avail): After constructing the value-handle
558 expression, use try_combine_conversion to combine NOP_EXPRs
559 with previous value-handle expressions and use the result if it
562 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
564 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
566 2006-05-04 Jan Hubicka <jh@suse.cz>
569 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
571 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
573 * config/bfin/predicates.md (const01_rtx): Tell generator programs
574 that this only matches CONST_INTs. All users changed to VOIDmode
577 * config/bfin/bfin.c: Include "optabs.h".
578 (bfin_rtx_costs): Some costs for vector operations, to allow combine
580 (enum bfin_builtins): Add a number of fractional and vector builtins.
581 (bfin_init_builtins): Likewise.
582 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
583 (safe_vector_operand, bfin_expand_binop_builtin,
584 bfin_expand_unop_builtin): New functions.
585 (bfin_expand_builtin): Handle the new builtins.
586 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
589 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
592 * Makefile.in (OBJS-common): Add see.o.
593 (see.o): Add dependencies.
594 * common.opt (fsee): New flag for the see optimization was added.
595 * opts.c (flag_see): Initialized.
596 * passes.c (init_optimization_passes, pass_see): New pass.
597 * rtl.h (see_main): Declaration as extern.
598 * timevar.def (TV_SEE): New.
599 * tree-pass.h (pass_see): Declaration as extern.
600 * invoke.texi (-fsee): Document.
601 * recog.c (validate_simplify_insn): New function.
602 * recog.h (validate_simplify_insn): Declaration as extern.
603 * df-problems.c (df_chain_dump): Check for NULL.
605 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
606 Daniel Berlin <dberlin@dberlin.org>
608 * cfgrtl.c (insert_insn_bb_end_new): New function.
609 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
611 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
613 * df.h (struct web_entry): Moved from web.c.
614 (union_defs): Declaration as extern.
615 (unionfind_root): Likewise.
616 (unionfind_union): Likewise.
617 * web.c (struct web_entry): Moved to df.h.
618 (unionfind_root): Remove static declaration.
619 (unionfind_union): Likewise.
620 (union_defs): Likewise and generalize to use callback function.
621 (web_main): Update arguments for union_defs function call.
623 2006-05-04 Richard Guenther <rguenther@suse.de>
625 PR tree-optimization/26447
626 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
627 produce SSA_NAME copies before the store stmt to avoid
628 breaking exception handling.
630 2006-05-04 Jakub Jelinek <jakub@redhat.com>
633 * gimplify.c (omp_is_private): If var is shared in some outer context,
634 return false instead of true. Stop searching on parallel context
637 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
640 * coverage.c: Use get_gcov_unsigned_t() instead of
641 unsigned_type_node all over.
643 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
645 PR tree-optimization/27381
646 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
647 maintain the same immediate_use links.
648 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
649 node rather than segfaulting.
651 2006-05-03 Jakub Jelinek <jakub@redhat.com>
654 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
655 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
656 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
658 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
660 Fix PR tree-optimization/26626
661 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
663 * tree-ssa-operands.c (access_can_touch_variable): Allow
664 typecasting through union pointers.
666 2006-05-02 Jakub Jelinek <jakub@redhat.com>
669 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
670 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
671 to find if var will be a global variable even in the nested context.
672 (omp_copy_decl): Only check for global variable at the end, it might
673 be overridden in outer contexts.
674 (scan_sharing_clauses): For global variables don't create a field.
675 (lower_rec_input_clauses): Do nothing for global shared variables.
676 Emit a barrier at the end of ILIST if there were any decls in both
677 firstprivate and lastprivate clauses.
678 (lower_send_clauses): Do nothing for global variables except for
681 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
683 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
684 of the correct signedness is returned.
686 2006-05-02 Jeff Law <law@redhat.com>
688 PR tree-optimization/27364
689 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
690 multiply expressions.
692 2006-05-02 Tom Tromey <tromey@redhat.com>
694 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
696 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
699 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
700 -mthumb -fPIC are used.
702 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
703 Joshua Kinard <kumba@gentoo.org>
706 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
707 with 64-bit pointers.
709 2006-05-02 Paul Brook <paul@codesourcery.com>
711 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
713 (create_fix_barrier): Check that a suitable barrier location is
715 (arm_reorg): Include ftmp->address in allowable range of addresses.
717 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
720 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
723 2006-05-02 Jakub Jelinek <jakub@redhat.com>
726 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
727 around RESULT_DECL for result passed by reference.
728 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
729 * omp-low.c (use_pointer_for_field): Don't look at
730 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
731 (scan_omp_1): Call remap_decl on RESULT_DECLs.
732 (lower_rec_input_clauses): Don't allocate VLA memory for the second
733 time or var for passing by reference for
734 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
735 TREE_ADDRESSABLE variables when passing by reference.
737 * omp-low.c (dump_omp_region): Fix output formatting.
740 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
741 (expand_omp_parallel): Likewise.
742 * tree-cfg.c (move_sese_region_to_fn): Likewise.
745 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
746 on statement list containing also constructors and destructors.
747 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
750 * except.c (duplicate_eh_regions): Fix clearing of
751 cfun->eh->region_array entries.
753 2006-05-01 DJ Delorie <dj@redhat.com>
755 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
757 (gcc_cv_objdump): Likewise.
758 * configure: Regenerated.
760 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
763 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
764 templates for case 3 and 4.
766 2006-05-01 DJ Delorie <dj@redhat.com>
768 * vec.c: Include bconfig.h when appropriate.
769 * Makefile.in (build/vec.o): Adjust dependencies.
770 * mkconfig.sh: Make sure config.h isn't used for build machine
773 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
775 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
777 (mark_phi_for_rewrite): New function.
778 (insert_phi_nodes_for, mark_use_interesting): Call
779 mark_phi_for_rewrite.
780 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
781 (update_ssa): Initialize and free phis_to_rewrite.
783 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
785 PR rtl-optimization/27291
786 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
787 folded to a constant.
789 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
791 PR tree-optimization/27283
792 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
793 not whole # of iteration descriptions.
794 (niter_for_exit): Return just # of iterations. Fail if # of iterations
795 uses abnormal ssa name.
796 (niter_for_single_dom_exit): Ditto.
797 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
798 return just the number of iterations.
800 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
802 PR tree-optimization/27144
803 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
804 (record_estimate): Only record constant upper bound.
805 (infer_loop_bounds_from_undefined): Call
806 compute_estimated_nb_iterations just once.
807 (proved_non_wrapping_p): Renamed to ...
808 (n_of_executions_at_most): ... this. Expect bound to be a constant.
809 (convert_step_widening, scev_probably_wraps_p): Call
810 n_of_executions_at_most instead of proved_non_wrapping_p.
811 (substitute_in_loop_info): Do not replace values in bounds.
812 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
815 2006-05-01 Richard Henderson <rth@redhat.com>
818 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
819 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
822 2006-05-01 Roger Sayle <roger@eyesopen.com>
824 * c-typeck.c (parser_build_binary_op): Don't call the function
825 unsigned_conversion_warning to spot operand/result type overflow.
826 (build_binary_op): Instead, call convert_and_check instead of
827 convert to report the problem when the operands are promoted.
828 * c-common.c (unsigned_conversion_warning): Make static.
829 * c-common.h (unsigned_conversion_warning): Delete prototype.
831 2006-05-01 Richard Guenther <rguenther@suse.de>
833 PR tree-optimization/26726
834 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
836 (find_interesting_uses_address): ... we work around here
837 by folding INDIRECT_REFs in the substituted base.
839 2006-05-01 Diego Novillo <dnovillo@redhat.com>
841 * omp-low.c (dump_omp_region): Add newlines.
843 2006-04-30 Roger Sayle <roger@eyesopen.com>
845 * common.opt (Woverflow): New command line option.
846 * c-common.c (constant_expression_warning): Check warn_overflow.
847 (overflow_waring): Pass OPT_Woverflow to warning.
848 (unsigned_conversion_warning): Likewise.
849 (convert_and_check): Likewise.
850 * doc/invoke.texi: Document new command line option.
852 2006-04-30 David Edelsohn <edelsohn@gnu.org>
854 * config/rs6000/rs6000.c (rs6000_override_options): Enable
855 TARGET_NO_FP_IN_TOC for section anchors.
856 (optimization_options): Enable section anchors for all
857 non-"Objective" languages.
859 2006-04-28 Eric Christopher <echristo@apple.com>
861 * config/darwin-c.c (darwin_ms_struct): Move this
862 (darwin_set_default_type_attributes): and this...
863 * config/darwin.c: ... here.
864 * config/darwin.h (darwin_ms_struct): Declare.
866 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
868 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
870 2006-04-28 Roger Sayle <roger@eyesopen.com>
873 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
874 (push_array_bounds): Delete prototype. Change BOUNDS argument to
875 an unsigned HOST_WIDE_INT.
876 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
878 (really_start_incremental_init): No need to call convert because
879 bitsize_zero_node is already of type bitsizetype.
880 (push_init_level): Extract the value of constructor_index as an
881 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
882 (process_init_element): Likewise.
884 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
886 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
887 value before passing to make_relative_prefix.
889 2006-04-28 Alan Modra <amodra@bigpond.net.au>
892 * builtins.c (expand_builtin_memset): Expand val in original mode.
894 2006-04-27 Eric Christopher <echristo@apple.com>
896 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
898 * config/darwin-c.c (darwin_ms_struct): New.
899 (darwin_pragma_ms_struct): Ditto.
900 (darwin_set_default_type_attributes): Ditto.
901 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
902 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
903 Register ms_struct pragma.
904 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
905 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
906 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
907 darwin_set_default_type_attributes if TARGET_MACHO.
909 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
911 PR tree-optimization/26854
912 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
913 * doc/tree-ssa.texi: Update immuse iterator documentation.
914 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
915 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
916 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
917 first_safe_imm_use, next_safe_imm_use): Remove.
918 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
919 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
920 (move_use_after_head): New. Helper function to sort immuses in a stmt.
921 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
922 (first_imm_use_stmt): New. Get first stmt in an immuse list.
923 (next_imm_use_stmt): New. Get next stmt in an immuse list.
924 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
925 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
926 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
927 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
928 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
929 (perfect_nestify): Use new iterator.
930 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
932 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
933 (next_imm_name): New field in struct immediate_use_iterator_d.
934 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
935 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
936 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
937 * tree-cfg.c (replace_uses_by): Use new iterator.
938 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
939 * tree-ssa-operands.c (correct_use_link): Remove.
940 (finalize_ssa_use_ops): No longer call correct_use_link.
942 2006-04-27 Stuart Hastings <stuart@apple.com>
944 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
945 * config/t-darwin (crt3.o): Use it.
946 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
947 'pmode', use Pmode instead of SImode for SYMBOL_REF.
948 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
949 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
950 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
953 2006-04-27 Roger Sayle <roger@eyesopen.com>
955 * expmed.c (store_fixed_bit_field): If we're not optimizing for
956 size, force the intermediate into a new pseudo rather instead of
957 performing both a bitwise AND and a bitwise IOR in memory.
959 2006-04-27 Richard Guenther <rguenther@suse.de>
961 PR rtl-optimization/26685
962 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
963 this one "max-flow-memory-locations".
965 2006-04-27 Richard Guenther <rguenther@suse.de>
967 PR tree-optimization/25148
968 * tree-vrp.c (compare_values): Remove code dealing with
969 comparisons against type min/max value. Honour overflow
970 and negative constants in code dealing with comparisons
971 of plus and minus expressions.
972 (value_inside_range): Use fold_binary with LE_EXPR and
973 GE_EXPR rather than compare_values.
975 2006-04-27 Dirk Mueller <dmueller@suse.de>
977 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
980 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
982 * basic-block.h (safe_insert_insn_on_edge): Removed.
983 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
985 2006-04-26 David Edelsohn <edelsohn@gnu.org>
986 Paolo Bonzini <bonzini@gnu.org>
989 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
990 (simplify_and_const_int): Same.
992 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
994 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
996 2006-04-26 Jakub Jelinek <jakub@redhat.com>
999 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1000 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1001 cgraph_global_info_ready.
1004 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1007 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1008 either decl or init is error_mark_node.
1011 * tree-flow.h (struct omp_region): Add sched_kind.
1012 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1013 instead of extracting omp for data.
1014 (expand_omp_for): Save extracted sched_kind.
1016 2006-04-25 Roger Sayle <roger@eyesopen.com>
1018 * expmed.c (store_bit_field): Also check whether the bitsize is
1019 valid for the machine's "insv" instruction before moving the
1020 target into a pseudo for use with the insv.
1021 * config/i386/predicates.md (const8_operand): New predicate.
1022 * config/i386/i386.md (extv, extzv, insv): Use the new
1023 const8_operand predicate where appropriate.
1025 2006-04-25 DJ Delorie <dj@redhat.com>
1027 * doc/install.texi (Specific): Clarify that this is not a list of
1028 supported hosts or targets.
1030 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1032 PR rtl-optimization/26725
1033 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1034 block's BB_DIRTY flag.
1036 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1038 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1041 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1042 to print an integer.
1044 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1046 * varasm.c (align_variable): New function.
1047 (get_block_for_decl): Apply align_variable to DECL before
1048 calculating section information.
1049 (assemble_variable): Split out alignment computation.
1051 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1053 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1056 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1058 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1059 MODE_PARTIAL_INT mode.
1060 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1061 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1063 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1064 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1066 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1068 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1070 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1071 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1072 MACFLAG_IH): Likewise.
1073 (movstricthi_1): Renamed from "*movstricthi".
1074 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1075 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1076 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1077 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1078 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1079 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1080 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1081 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1082 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1083 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1084 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1085 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1086 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1087 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
1088 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
1090 * doc/rtl.texi (ss_ashift): Improve wording.
1092 2006-04-24 Geoffrey Keating <geoffk@apple.com>
1094 * dwarf2out.c (verify_marks_clear): New.
1095 (prune_unused_types): Call verify_marks_clear initially, not
1098 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1100 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
1101 * doc/rtl.texi: Document them.
1102 * simplify-rtx.c (simplify_unary_operation,
1103 simplify_binary_operation_1): Don't abort when we see them.
1105 2006-04-24 Mark Mitchell <mark@codesourcery.com>
1108 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1109 * configure.ac: Completely disregard languages that are not
1111 * configure: Regenerated.
1113 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1114 Richard Guenther <rguenther@suse.de>
1116 PR tree-optimization/27236
1117 * tree-inline.c (copy_body_r): Make sure to copy
1118 TREE_THIS_VOLATILE flag.
1120 2006-04-24 Richard Guenther <rguenther@suse.de>
1123 * tree-complex.c (update_parameter_components): Don't handle
1124 unused parameters which have no default def.
1126 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1127 Richard Guenther <rguenther@suse.de>
1129 PR tree-optimization/27218
1130 * tree-inline.c (expand_call_inline): Strip useless type
1131 conversions for the return slot address.
1133 2006-04-24 Richard Guenther <rguenther@suse.de>
1135 * cfgloop.h (struct loops): Remove unused field array. Reorder
1137 (LOOP_PREFETCH): Remove.
1139 2006-04-24 Richard Guenther <rguenther@suse.de>
1141 PR tree-optimization/22525
1142 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
1143 variable, adjust types of generated expressions.
1145 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
1147 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
1148 (tree-vect-patterns.o): Likewise.
1150 (cselib.o): Likewise.
1151 (loop-doloop.o): Likewise.
1152 (regclass.o): Likewise.
1153 (reload1.o): Likewise.
1154 (explow.o): Replace target.h with $(TARGET_H).
1155 (ipa-prop.o): Likewise.
1156 (ipa-cp.o): Likewise.
1157 (ipa-inline.o): Likewise.
1158 (reorg.o): Likewise.
1159 (reg-stack.o): Likewise.
1161 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1163 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
1165 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1167 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
1169 * configure.ac: Completely disregard languages that are not
1171 * configure: Regenerated.
1174 * c-common.h (c_build_bitfield_integer_type): Declare.
1175 * c-decl.c (c_build_bitfield_integer_type): Move to ...
1176 * c-common.c (c_build_bitfield_integer_type): ... here.
1178 2006-04-23 Roger Sayle <roger@eyesopen.com>
1181 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
1182 a SImode SUBREG of a floating point register after no_new_pseudos.
1184 2006-04-23 Roger Sayle <roger@eyesopen.com>
1186 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
1187 identify potentially eliminable registers to additionally catch
1188 VIRTUAL_INCOMING_ARGS_REGNUM.
1189 (addsi3): Update the conditions on when to use addsi_small_int.
1191 2006-04-23 Roger Sayle <roger@eyesopen.com>
1194 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
1195 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1196 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1198 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1200 * fold-const.c (range_predecessor): Use operand_equal_p
1201 as the predicate for equality.
1202 (range_successor): Likewise.
1204 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1207 * config/soft-fp/op-common.h: Fix a typo.
1209 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
1212 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
1213 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
1215 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1217 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
1219 * doc/tm.texi: Fix a typo.
1221 2006-04-21 Geoffrey Keating <geoffk@apple.com>
1223 * dwarf2out.c (struct die_struct): Document that die_sib makes
1224 a circular linked list.
1225 (FOR_EACH_CHILD): New.
1226 (reverse_die_lists): Delete.
1227 (reverse_all_dies): Delete.
1228 (add_dwarf_attr): Correct documentation.
1229 (remove_child_with_prev): New.
1230 (remove_child_TAG): Update for change to die_struct, use
1231 remove_child_with_prev.
1232 (add_child_die): Update for change to die_struct.
1233 (splice_child_die): Use remove_child_with_prev and add_child_die.
1234 (print_die): Use FOR_EACH_CHILD.
1235 (die_checksum): Likewise.
1236 (assign_symbol_names): Likewise.
1237 (output_location_lists): Likewise.
1238 (build_abbrev_table): Likewise.
1239 (calc_die_sizes): Likewise.
1240 (mark_dies): Likewise.
1241 (unmark_dies): Likewise.
1242 (unmark_all_dies): Likewise.
1243 (output_die): Likewise.
1244 (prune_unused_types_mark): Likewise.
1245 (prune_unused_types_walk): Likewise.
1246 (same_die_p): Update for change to die_struct.
1247 (break_out_includes): Likewise.
1248 (prune_unused_types_prune): Likewise.
1249 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1250 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1252 (dwarf2out_finish): Don't call reverse_all_dies.
1254 2006-04-21 Eric Christopher <echristo@apple.com>
1256 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1257 in comments and function names.
1259 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1262 * c-typeck.c (digest_init): Robustify.
1264 * c-typeck.c (pop_init_level): Simplify.
1266 2006-04-21 Steve Ellcey <sje@cup.hp.com>
1268 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
1270 2006-04-21 Paul Brook <paul@codesourcery.com>
1272 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1273 hardware floating point.
1275 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1277 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
1280 2006-04-21 Nick Clifton <nickc@redhat.com>
1282 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
1285 2006-04-21 Alan Modra <amodra@bigpond.net.au>
1288 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
1289 C++ lang type in traceback table for Objective-C++.
1291 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
1293 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
1295 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
1297 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1300 * tree-mudflap.c (mudflap_finish_file): Skip function when there
1301 were errors. Remove check for erroneous objects.
1303 2006-04-20 Jeff Law <law@redhat.com>
1305 PR tree-optimization/26854
1306 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
1307 checking for zero or one use.
1308 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
1309 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
1310 * tree-ssa-reassoc.c (negate_value): Similarly.
1311 (reassociate_bb): Similarly.
1313 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1315 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1316 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1317 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1319 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1321 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1322 fp regs if the last fp arg doesn't fit in regs.
1324 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1327 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1328 that the last insn has the REG_INC note.
1330 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1331 Nathan Sidwell <nathan@codesourcery.com>
1334 * stor-layout.c (update_alignment_for_field): Do not align
1336 (place_union_field): Place union field at the start of the union.
1337 (place_field): Move ERROR_MARK check later, and use the current
1338 allocation position to maintain monotonicity.
1340 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1342 * dominance.c: Include timevar.h.
1343 (calculate_dominance_info): Use TV_DOMINANCE.
1344 * timevar.def (TV_DOMINANCE): New timevar.
1345 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1347 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1349 PR rtl-optimization/14261
1350 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1351 move would be an INSV insn.
1352 (noce_process_if_block): Don't optimize if the destination is a
1353 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1355 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1357 * config/s390/s390.md: Add comments with the instructions emitted
1358 by an insn pattern if macros are used.
1360 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1362 PR rtl-optimization/26026
1363 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1364 is a known power of two shifted left a variable amount.
1366 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1368 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1369 to hash table twice when the debug_str section has SECTION_MERGE.
1371 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1373 * config/soft-fp: New directory. From glibc.
1374 * config/soft-fp/t-softfp: New.
1375 * config/soft-fp/README: New.
1376 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1377 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1378 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1379 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1380 * config.gcc: Use rs6000/t-fprules-fpbit or
1381 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1383 * config/rs6000/sfp-machine.h: New. Based on glibc.
1384 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1386 * config/rs6000/t-fprules: Remove fp-bit rules.
1387 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1388 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1389 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1390 (softfp_wrap_start, softfp_wrap_end): New.
1392 2006-04-18 DJ Delorie <dj@redhat.com>
1394 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1396 2006-04-18 Devang Patel <dpatel@apple.com>
1398 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1400 2006-04-18 Nick Clifton <nickc@redhat.com>
1402 * config/sh/t-symbian: Add rule to build sh-c.o
1403 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1404 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1405 (sh_symbian_encode_section_info): Likewise.
1407 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1409 * builtins.c (expand_builtin_strcmp): Cover label definition of
1410 do_libcall with HAVE_cmpstrnsi.
1412 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1414 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1416 * function.h (temp_slot_p): New.
1417 (function): Change the type of x_used_temp_slots to
1418 VEC(temp_slot_p,gc) *.
1420 2006-04-18 Nick Clifton <nickc@redhat.com>
1422 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1423 flag_strength_reduce.
1425 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1427 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1431 Partial revert of revision 112637
1432 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1433 Dale Johannesen <dalej@apple.com>
1436 * regclass.c (struct reg_pref): Update documentation.
1437 (regclass): Set prefclass to NO_REGS if memory is the best option.
1438 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1440 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1442 PR tree-optimization/26821
1443 * tree-ssa-math-opts.c (get_constant_one): New.
1444 (insert_reciprocals): Use it.
1446 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1448 * dwarf2out.c (free_AT): Delete.
1449 (remove_AT): Update string ref counts.
1450 (remove_child_TAG): Don't call free_die.
1452 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1453 or DW_TAG_GNU_EINCL.
1454 (prune_unused_types_walk_attribs): Reset string refcounts.
1455 (prune_unused_types_update_strings): New.
1456 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1457 call free_die. Do call prune_unused_types_update_strings.
1458 (prune_unused_types): Empty debug_str_hash.
1460 2006-04-17 Roger Sayle <roger@eyesopen.com>
1462 * expr.c (expand_assignment): Optimize away no-op moves where the
1463 source and destination are equal and have no side-effects.
1465 2006-04-17 Richard Guenther <rguenther@suse.de>
1468 * reload.c (push_reload): Guard calls to get_secondary_mem
1471 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1473 * alias.c (reg_base_value, old_reg_base_value): Change the
1474 type to VEC(rtx,gc) *.
1475 (REG_BASE_VALUE, find_base_value, record_set,
1476 init_alias_analysis): Use VEC instead of VARRAY.
1478 * alias.c (alias_sets): Change the type to
1479 VEC(alias_set_entry,gc) *.
1480 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1481 VEC instead of VARRAY.
1482 (last_alias_set): Remove.
1484 * cgraph.h (cgraph_edge_p): New.
1485 Update the prototype of cgraph_function_versioning.
1486 * cgraphunit.c (cgraph_copy_node_for_versioning,
1487 cgraph_function_versioning): Use VEC instead of VARRAY.
1488 * ipa-cp.c (ipcp_insert_stage): Likewise.
1490 2006-04-16 Roger Sayle <roger@eyesopen.com>
1493 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1494 "A op B" or "A op C", we may need to convert A to the type of B and C.
1496 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1498 * target.h (struct gcc_target): Add mode_rep_extended.
1499 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1500 (init_num_sign_bit_copies_in_rep): Initialize it using
1502 (truncate_to_mode): Use it.
1503 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1504 * targhooks.h (default_mode_rep_extended): Declare it.
1505 * targhooks.c (default_mode_rep_extended): Define it.
1506 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1507 default_mode_rep_extended.
1508 (TARGET_INITIALIZER): Include it.
1509 * doc/tm.texi (Misc): Document it.
1510 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1511 (mips_truncated_to_mode): New function.
1513 2006-04-16 Roger Sayle <roger@eyesopen.com>
1516 * expr.c (compress_float_constant): Copy the narrow constant into
1517 a new pseudo before extending it to its final width.
1519 2006-04-16 Roger Sayle <roger@eyesopen.com>
1520 Andrew Pinski <pinskia@gcc.gnu.org>
1521 Dale Johannesen <dalej@apple.com>
1524 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1525 special case code to implement V8HImode and V16QImode with SSE2.
1527 2006-04-15 Roger Sayle <roger@eyesopen.com>
1529 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1530 trees are constructed with a suitable tree type.
1532 2006-04-15 Roger Sayle <roger@eyesopen.com>
1534 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1535 (integer_onep): Likewise.
1536 (integer_all_onesp): Likewise.
1537 (integer_pow2p): Likewise.
1538 (integer_nonzerop): Likewise.
1539 (real_zerop): Likewise.
1540 (real_onep): Likewise.
1541 (real_twop): Likewise.
1542 (real_minus_onep): Likewise.
1543 (int_size_in_bytes): Likewise.
1544 (host_integerp): Likewise.
1546 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1548 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1549 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1550 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1552 * tree-ssa-structalias.h (alias_info): Remove num_references.
1554 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1556 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1557 (output_bvb patterns): Likewise.
1558 * pa.c (output_bb): Use 'bb' insn for long branch case.
1559 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1560 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1561 1. Correct length operand for alternatives 1 and 2.
1562 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1563 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1565 2006-04-14 Roger Sayle <roger@eyesopen.com>
1567 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1568 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1569 were accidentally reverted by r112959.
1571 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1574 * except.h (eh_region_outermost): New prototype.
1575 * except.c (eh_region_outermost): New function.
1576 * tree-cfg.c (find_outermost_region_in_block): Use it.
1578 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1580 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1582 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1583 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1584 (init_reload, reload): Use VEC instead of VARRAY.
1585 * reload.h: Update the prototype for
1586 reg_equiv_memory_loc_varray.
1588 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1589 Eric Botcazou <ebotcazou@libertysurf.fr>
1591 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1594 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1597 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1598 to expand fallback builtin function call.
1600 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1603 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1604 and emit libcall here in case the builtin fails.
1605 (expand_builtin_strcmp): Always emit the libcall here on failure.
1607 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1609 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1610 * flow.c (reg_n_info): Change the type to
1611 VEC(reg_info_p,heap) *.
1612 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1614 * regs.h (reg_info_p): New.
1615 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1616 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1617 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1620 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1622 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1624 * params.h (MAX_SCHED_READY_INSNS): New macro.
1625 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1626 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1627 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1628 the ready list for 1 cycle during the first scheduling pass.
1629 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1631 2006-04-13 Richard Henderson <rth@redhat.com>
1634 * gimple-low.c (lower_omp_directive): Remove dead code.
1635 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1636 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1637 * omp-low.c (struct omp_region): Move to tree-flow.h.
1638 (root_omp_region): Export.
1639 (omp_regions, lookup_omp_region): Remove.
1640 (determine_parallel_type): Update for struct omp_region changes.
1641 (dump_omp_region): Dump regions with block numbers.
1642 (new_omp_region): Take type and block instead of stmt; malloc
1644 (free_omp_region_1, free_omp_regions): New.
1645 (expand_parallel_call): Take entry_stmt as argument; update for
1646 changes to omp_region.
1647 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1648 (remove_exit_barriers): New.
1649 (expand_omp_parallel): Update for struct omp_region changes.
1650 (expand_omp_synch): Likewise.
1651 (expand_omp): Likewise.
1652 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1653 (expand_omp_for_static_chunk): Likewise.
1654 (expand_omp_for): Likewise.
1655 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1656 (expand_omp_sections): Similarly, with GOMP_sections_end.
1657 (expand_omp_single): New.
1658 (build_omp_regions_1): Update for OMP_CONTINUE.
1659 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1660 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1661 OMP_SECTIONS_SECTIONS.
1662 (lower_omp_single_simple): Don't emit barrier here.
1663 (lower_omp_single_copy): Likewise.
1664 (lower_omp_single): Fix bindings, and lower to straightline now.
1665 (lower_omp_master, lower_omp_ordered): Likewise.
1666 (lower_omp_critical): Likewise.
1667 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1668 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1669 omp edges, free it afterward.
1670 (make_omp_sections_edges): Remove.
1671 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1672 (move_stmt_r): Handle OMP_CONTINUE.
1673 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1674 statement pointers to basic blocks. Add type member.
1675 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1676 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1677 * tree-inline.c (estimate_num_insns_1): Likewise.
1678 * tree-pretty-print.c (dump_generic_node): Likewise.
1679 * tree-ssa-operands.c (get_expr_operands): Likewise.
1680 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1681 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1682 (OMP_CONTINUE): New.
1683 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1684 (OMP_SECTIONS_SECTIONS): Remove.
1685 (OMP_SECTION_LAST): New.
1686 (OMP_RETURN_NOWAIT): New.
1688 2006-04-13 Roger Sayle <roger@eyesopen.com>
1690 * fold-const.c (native_encode_vector, native_interpret_real):
1691 Correct obvious mistakes in the previous check-in.
1693 2006-04-13 Roger Sayle <roger@eyesopen.com>
1695 * fold-const.c (native_encode_expr): New function to encode
1696 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1697 or VECTOR_CST into a specified buffer.
1698 (native_encode_int): New function.
1699 (native_encode_real): New function.
1700 (native_encode_complex): New function.
1701 (native_encode_vector): New function.
1702 (native_interpret_expr): Inverse of native_encode_expr to convert
1703 a target representation into an INTEGER_CST, REAL_CST etc...
1704 (native_interpret_int): New function.
1705 (native_interpret_real): New function.
1706 (native_interpret_complex): New function.
1707 (native_interpret_vector): New function.
1708 (fold_view_convert_expr): New function to constant fold/evaluate
1709 a VIEW_CONVERT_EXPR of a suitable constant expression.
1710 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1711 Change call of build1 to fold_build1 when constructing a
1714 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1715 Ulrich Weigand <uweigand@de.ibm.com>
1718 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1721 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1724 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1725 optimize to lo_sum for DFmode if !TARGET_FPRS.
1727 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1729 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1730 delete_alias_info, compute_flow_sensitive_aliasing,
1731 group_aliases): Use VEC instead of VARRAY.
1732 * tree-ssa-structalias.c (update_alias_info): Likewise.
1733 * tree-ssa-structalias.h (alias_info): Change the type of
1734 processed_ptrs to VEC(tree,heap) *.
1736 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1739 * config/sh/lib1funcs.h: New file, broken out of:
1740 * config/sh/lib1funcs.asm.
1741 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1743 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1744 * config/sh/lib1funcs-Os-4-200.asm: New file.
1745 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1746 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1747 (EXTRA_MULTILIB_PARTS): Include it.
1748 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1749 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1750 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1751 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1754 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1756 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1757 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1758 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1760 * tree-ssa-live.h: Include vecprim.h.
1761 (tree_partition_associator_d): Change the type of
1762 first_partition to VEC(int,heap) *.
1763 (tpa_first_partition): Use VEC instead of VARRAY.
1765 * Makefile.in (GTFILES): Move functions.h after tree.h.
1766 * function.c (reset_block_changes, record_block_change,
1767 check_block_change, free_block_changes): Use VEC instead of
1769 * function.h (function): Change the type of
1770 ib_boundaries_block to VEC(tree,gc) *.
1771 * tree-inline.c (copy_cfg_body): Initialize
1772 ib_boundaries_block to NULL instead of (varray_type) 0.
1774 2006-04-12 Roger Sayle <roger@eyesopen.com>
1776 * expr.c (emit_group_store): Correct operand order in call to
1777 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1778 a SUBREG_BYTE of zero.
1780 2006-04-12 Richard Guenther <rguenther@suse.de>
1782 * profile.c (compute_branch_probabilities): Remove code
1783 encapsulated in !ir_type (), which are remanents of the
1784 removed RTL profiling code.
1785 * rtl-profile.c: Remove.
1787 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1789 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1790 magic NULL_RTX comment.
1791 (function_arg): Store entire fp arg to mem if any part should go
1793 (rs6000_arg_partial_bytes): Adjust for above change.
1795 2006-04-11 Roger Sayle <roger@eyesopen.com>
1797 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1798 if it hasn't been initialized by dwarf2out_init.
1800 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1802 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1803 symbolic constants in branch patterns.
1805 2006-04-11 Roger Sayle <roger@eyesopen.com>
1807 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1809 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1811 PR rtl-optimization/27073
1812 * gcse.c (try_replace_reg): Revert last change. Continue to search
1813 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1816 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1818 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1819 aggregate types other than record and union types.
1820 (function_arg): Likewise.
1821 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1823 (function_value): In 64-bit mode, return objects that require it
1826 2006-04-11 Roger Sayle <roger@eyesopen.com>
1828 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1830 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1832 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1834 2006-04-03 Jeff Law <law@redhat.com>
1837 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1838 alias information too.
1840 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1842 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1844 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1847 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1848 (premark_used_types_helper): New.
1849 (premark_used_types): New.
1850 (gen_subprogram_die): Call premark_used_types.
1851 (prune_unused_types_walk): Do not prune perennial dies.
1852 * function.c (used_types_insert): New.
1853 * function.h (struct function): Add used_types_hash field.
1854 (used_types_insert): Add prototype.
1855 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1856 * c-parser.c (c_parser_cast_expression): Save casted types in used
1859 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1862 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1863 rs6000_explicit_options.float_gprs.
1865 2006-04-10 Roger Sayle <roger@eyesopen.com>
1867 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1868 from ix86_expand_vector_init_low_nonzero. Take an additional
1869 one_var argument indicating which element is non-zero. Support
1870 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1871 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1872 with one_var instead of ix86_expand_vector_init_low_nonzero.
1874 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1876 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1877 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1878 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1879 build/genextract.o): Depend on vecprim.h.
1880 * cfglayout.c, df-problems.c, function.c, genextract.c,
1881 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1882 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1886 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1888 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1889 Declare VECs of this type.
1890 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1891 (remove_children): Delete.
1892 (add_dwarf_attr): Use VEC routines.
1893 (add_AT_flag): Update for changes to add_dwarf_attr.
1894 (add_AT_int): Likewise.
1895 (add_AT_unsigned): Likewise.
1896 (add_AT_long_long): Likewise.
1897 (add_AT_vec): Likewise.
1898 (add_AT_string): Likewise.
1899 (add_AT_die_ref): Likewise.
1900 (add_AT_fde_ref): Likewise.
1901 (add_AT_loc): Likewise.
1902 (add_AT_loc_list): Likewise.
1903 (add_AT_addr): Likewise.
1904 (add_AT_lbl_id): Likewise.
1905 (add_AT_lineptr): Likewise.
1906 (add_AT_macptr): Likewise.
1907 (add_AT_offset): Likewise.
1908 (add_AT_range_list): Likewise.
1909 (get_AT): Use VEC_iterate.
1910 (remove_AT): Use VEC_ordered_remove.
1911 (free_die): Fold remove_children into here; have it use VEC_iterate.
1912 (print_die): Use VEC_iterate on attrs.
1913 (reverse_die_lists): Don't reverse attr lists.
1914 (die_checksum): Use VEC_iterate on attrs.
1915 (same_die_p): Likewise.
1916 (output_location_lists): Likewise.
1917 (build_abbrev_table): Likewise.
1918 (size_of_die): Likewise.
1919 (unmark_all_dies): Likewise.
1920 (output_abbrev_section): Likewise.
1921 (output_die): Likewise.
1922 (prune_unused_types_walk_attribs): Likewise.
1924 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1926 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1928 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1931 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1933 2006-04-09 Roger Sayle <roger@eyesopen.com>
1935 * expr.c (store_constructor): Don't bother clearing target if
1936 we're about to assign a vector to it using vec_init_optab.
1938 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1940 * tree-ssa-alias.c (lhs_may_store_to): New function.
1941 (recalculate_used_alone): Handle LHS of calls.
1943 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1947 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1948 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1949 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1950 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1951 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1952 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1953 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1954 stubs. Add ".align 8" directives before all ".dword" directives.
1955 (GTHREAD_USE_WEAK): Revise comment.
1956 (TARGET_ATTRIBUTE_WEAK): Define.
1957 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1958 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1959 * stublib.c: New file.
1964 * pa.md (cbranch patterns): Revise arguments used in calls to
1965 output_cbranch, output_bb and output_bvd. Add long branch length
1967 (fbranch patterns): Handle long branches.
1968 (jump): Revise length check. Revise arguments for output_lbranch call.
1969 Add long branch length attributes.
1970 (decrement_and_branch_until_zero): Add long branch length attributes.
1971 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1972 Likewise. Revise arguments for output_parallel_addb and
1973 output_parallel_movb calls.
1974 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1975 output_parallel_movb and output_parallel_addb): Update prototypes.
1976 * pa.c (output_cbranch): Revise arguments. Correct handling of
1977 nullification in long branches.
1978 (output_lbranch): Add new argument to control extraction of delay
1980 (output_bb): Handle long branches.
1981 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1982 output_parallel_addb): Likewise.
1984 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1986 PR rtl-optimization/27073
1987 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1990 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1992 * tree.h (tree_memory_tag): Add old_used_alone.
1993 (SMT_OLD_USED_ALONE): New macro.
1994 * tree-ssa-alias.c (recalculate_used_alone): Stop
1995 marking things for renaming unnecessarily.
1997 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1999 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2000 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2001 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2002 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2003 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2004 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2005 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2006 spelling convensions.
2007 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2008 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2009 typos. Follow spelling conventions.
2011 2006-04-07 DJ Delorie <dj@redhat.com>
2013 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2014 passed on the stack.
2015 (m32c_init_cumulative_args): When a function returns a structure,
2016 always pass the pointer to that return area on the stack.
2017 (m32c_function_arg_advance): Don't increment the parameter number
2018 if we're processing the returned structure pointer.
2019 (pushm_info): Reverse order of registers.
2021 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2023 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2024 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2025 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2026 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2028 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2029 chrec_fold_multiply): Same.
2030 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2031 force_expr_to_var_cost): Same.
2032 * tree-mudflap.c (mf_xform_derefs_1): Same.
2033 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2035 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2037 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2038 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2041 2006-04-07 Jan Hubicka <jh@suse.cz>
2043 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2045 2006-04-07 Richard Guenther <rguenther@suse.de>
2047 PR tree-optimization/26135
2048 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2049 loads for store copy-prop.
2050 (copy_prop_visit_stmt): Likewise.
2052 2006-04-05 Robert Millan <robertmh@gnu.org>
2054 * gcc/config/i386/linux.h: Add a comment to mark macros that are
2055 being overriden in config/k*bsd-gnu.h.
2056 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2058 * gcc/config/knetbsd-gnu.h: Ditto.
2060 2006-04-06 Jan Hubicka <jh@suse.cz>
2064 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2067 2006-04-06 Mike Stump <mrs@apple.com>
2069 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2070 for HAVE_nonlocal_goto to be consistent.
2071 (expand_builtin_nonlocal_goto): Likewise.
2072 (expand_builtin_strcmp): Use #ifdef instead of #if
2073 for HAVE_cmpstrnsi to be consistent.
2075 2006-04-05 DJ Delorie <dj@redhat.com>
2077 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2080 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2082 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2083 got-relative addressing for anything but SImode.
2085 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2086 even if the calling function doesn't modify them.
2088 2006-04-05 Richard Guenther <rguenther@suse.de>
2090 PR tree-optimization/26919
2091 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
2092 to cgraph_estimate_size_after_inlining.
2094 2006-04-05 Alan Modra <amodra@bigpond.net.au>
2096 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
2098 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
2100 PR tree-optimization/26996
2101 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
2102 VECTOR_TYPE variables.
2104 2006-04-05 Richard Guenther <rguenther@suse.de>
2106 PR tree-optimization/26763
2107 * fold-const.c (fold_comparison): Move folding of
2108 PTR + CST CMP PTR + CST ...
2109 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2111 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
2113 * doc/install.texi (Prerequisites): Refine some wording on
2114 bootstrapping and ksh.
2115 Move the version numbers of DejaGnu here from the testing section
2116 and fix casing of names.
2117 Fix markup and clarify wording for autogen requirements.
2118 Refer to GCJ instead of just java.
2119 Refer to SVN instead of CVS.
2120 Describe diffutils as useful instead of necessary.
2121 (Downloading the source): Refer to SVN instead of CVS.
2122 Adjust a link to our web site accordingly.
2123 (Configuration): Fix casing of Bison.
2124 (Building): Refer to SVN instead of CVS.
2125 Fix a sentence on the use of Bison and remove duplicate (and
2126 incorrect) version number of Bison requirement.
2127 Remove one redundant list of packages needed for building.
2128 (Specific): Avoid reference to CVS.
2130 2006-04-04 Eric Christopher <echristo@apple.com>
2132 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2133 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2134 (rs6000_handle_struct_attribute): New.
2135 (rs6000_ms_bitfield_layout_p): Ditto.
2137 2006-04-04 Geoffrey Keating <geoffk@apple.com>
2139 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
2140 NULL for dso parameter to atexit_common.
2142 2006-04-04 Eric Christopher <echristo@apple.com>
2144 * config/i386/i386.c (machopic_output_stub): Output \t
2145 between instructions and operands.
2147 2006-04-04 David Edelsohn <edelsohn@gnu.org>
2149 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
2150 satisfies_constraint_[IL] to explicit tests on value.
2152 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
2154 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2155 set_nb_iterations_in_loop): Use build_int_cst instead of
2157 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
2158 build_int_cst instead of convert.
2160 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
2162 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
2163 new value 2 for incoming.
2164 * function.c (expand_function_start): Call struct_value_rtx
2166 * config/sparc/sparc.md: Comment updated_return.
2167 * config/sparc/sparc.opt: Add -mstd-struct-return option.
2168 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
2169 struct return if sparc_std_struct_return and incoming is 2.
2170 (print_operand): Do not adjust return if
2171 sparc_std_struct_return.
2173 2006-04-04 Roger Sayle <roger@eyesopen.com>
2175 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
2176 convert in the middle-end.
2177 * expr.c (store_expr, store_constructor, get_inner_reference,
2178 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
2180 * tree.c (build_range_type): Likewise.
2182 2006-04-04 Tom Tromey <tromey@redhat.com>
2184 * doc/install.texi (Prerequisites): Mention jar.
2186 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
2188 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2191 2006-04-04 Matthias Klose <doko@debian.org>
2193 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
2194 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2197 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2199 * doc/extend.texi (Function Attributes): Rewrite visibility
2200 attribute documentation.
2201 * doc/invoke.texi (C++ Dialect Options): Rewrite
2202 -fvisibility-inlines-hidden documentation to describe something
2203 entirely different, although in practise compatible.
2204 (Code Gen Options): Warn about system headers in -fvisibiltity=
2207 * doc/extend.texi (Other Builtins): Document that
2208 __builtin_nan is a compile-time constant only when its argument
2211 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
2213 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
2214 trying to remove TRUNCATE check if all bits outside the new mode
2215 are identical to the sign bit.
2217 2006-04-03 Jeff Law <law@redhat.com>
2219 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
2220 and operand scanning in some common cases.
2222 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2223 Dale Johannesen <dalej@apple.com>
2226 * regclass.c (struct reg_pref): Update documentation.
2227 (regclass): Set prefclass to NO_REGS if memory is the best option.
2228 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2229 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
2230 into account. For non-registers, equate an empty preferred
2231 reload class to a `!' in the constraint; move the if clause to
2232 do so after those that reject the insn.
2233 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
2235 (find_dummy_reload): Likewise.
2236 * doc/tm.texi (Register Classes): Document what it means
2237 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2238 * config/i386/i386.c (ix86_preferred_reload_class): Force
2239 using SSE registers (and return NO_REGS for floating-point
2240 constants) if math is done with SSE.
2241 (ix86_preferred_output_reload_class): New.
2242 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2243 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2244 * config/i386/i386.md: Remove # register preferences.
2246 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2249 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2250 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2251 the type of nb_iter.
2252 (instantiate_parameters_1): Convert the operands before calling
2253 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2254 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2256 2006-04-02 Roger Sayle <roger@eyesopen.com>
2258 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2259 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2261 * dojump.c (do_jump): Likewise.
2262 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2263 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2264 gimplify_boolean_expr): Likewise.
2265 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2266 * varasm.c (array_size_for_constructor): Likewise.
2267 * tree-object-size.c (compute_object_offset): Likewise.
2269 2006-04-02 Roger Sayle <roger@eyesopen.com>
2272 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2273 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2275 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2277 PR tree-optimization/26939
2278 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2280 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2282 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
2283 at_stmt. Convert the type of operands before calling
2284 build_polynomial_chrec.
2285 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
2287 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
2288 (instantiate_parameters_1): Convert the type of operands before calling
2289 build_polynomial_chrec.
2290 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2291 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
2292 reset_evolution_in_loop): Insert asserts to check the types of the
2294 (chrec_type): Moved...
2295 (eq_evolutions_p): Use operand_equal_p.
2296 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
2297 the types of the operands.
2298 (chrec_type): ...here.
2299 * tree-data-ref.c (create_data_ref): Convert the operands before
2300 calling chrec_replace_initial_condition.
2301 (same_access_functions, analyze_subscript_affine_affine,
2302 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
2303 (compute_subscript_distance, analyze_ziv_subscript,
2304 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
2305 analyze_miv_subscript): Convert the operands before calling
2306 chrec_fold_minus or chrec_fold_plus.
2308 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2310 * tree-data-ref.c (compute_all_dependences): Use a pointer to
2311 the dependence_relations vector.
2312 (compute_data_dependences_for_loop): Adjust call to
2313 compute_all_dependences.
2315 2006-04-01 Roger Sayle <roger@eyesopen.com>
2316 Richard Henderson <rth@redhat.com>
2318 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2319 gimple_boolify on the condition before calling gimplify_expr.
2321 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2323 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2324 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2325 the frame size. Update to use the new macros.
2326 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2327 * config/xtensa/ieee754-df.S: Likewise.
2329 2006-03-31 Richard Henderson <rth@redhat.com>
2331 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2332 (make_edges): ... here. Control fallthru creation with a local
2333 variable. Do not play with fake edges.
2334 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2335 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2338 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2340 * dwarf2.h (DW64_CIE_ID): Define.
2341 * dwarf2out.c (DWARF_CIE_ID): Define.
2342 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2343 length header. Use DWARF_CIE_ID.
2344 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2345 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2347 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2349 * config/sh/linux-atomic.asm: New file.
2350 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2352 2006-03-31 DJ Delorie <dj@redhat.com>
2354 * config/m32c/cond.md: Set condition flags properly throughout.
2355 * config/m32c/minmax.md: Likewise.
2356 * config/m32c/prologue.md: Likewise.
2357 * config/m32c/bitops.md: Likewise.
2358 * config/m32c/muldiv.md: Likewise.
2359 * config/m32c/mov.md: Likewise.
2360 * config/m32c/addsub.md: Likewise.
2361 * config/m32c/m32c.md: Likewise.
2362 * config/m32c/jump.md: Likewise.
2363 * config/m32c/shift.md: Likewise.
2365 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2366 conditionally output the pattern for this.
2367 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2368 (m32c_compare_redundant): New.
2369 (m32c_output_compare): New.
2370 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2372 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2373 dest, not src. Allow other 4-byte modes.
2375 2006-03-30 Denis Chertykov <denisc@overta.ru>
2377 * doc/md.texi: Refer to avr/constraints.md instead of
2380 2006-03-30 Roger Sayle <roger@eyesopen.com>
2382 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2383 signed vs. unsigned comparison failures on some hosts.
2385 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2388 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2389 change to FLOAT_REGS.
2391 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2392 (rs6000_override_options): Use it.
2393 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2394 only for -mabi=spe/no-spe and -mabi=altivec.
2396 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2398 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2401 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2403 * Makefile.in: Rename docdir to gcc_docdir.
2405 2006-03-30 Roger Sayle <roger@eyesopen.com>
2408 * expr.c (emit_group_store): Optimize group stores into a pseudo
2409 register by using a paradoxical subreg to initialize the destination
2410 if the first or last member of the group specifies a "low part".
2412 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2415 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2416 * target.h (struct gcc_target.speculate_insn): Change type of the
2417 second parameter to 'int'.
2418 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2419 the second operand of the DEPS_LIST.
2420 (copy_DEPS_LIST_list): Update reference to the second operand of the
2422 * rtl.h (alloc_DEPS_LIST): Update signature.
2423 * sched-int.h (ds_t): Change typedef to 'int'.
2424 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2426 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2428 * haifa-sched.c (try_ready): Change condition to restore
2429 non-speculative pattern of the instruction.
2430 (process_insn_depend_be_in_spec): Code to keep probability of the
2431 speculative dependence non-decreasing.
2433 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2435 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2436 (single_move_for_movmem): ... this. Also change all uses.
2437 (bfin_expand_strmov): Renamed to...
2438 (bfin_expand_movmem): ... this. Also change all uses.
2439 * config/bfin/bfin.md (movstrsi): Renamed to...
2440 (movstrsi): ...this.
2442 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2444 PR tree-optimization/26830
2446 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2447 (copy_prop_visit_stmt): Remove write-only variable ann.
2448 (init_copy_prop): Check variable loop depth here. Do not simulate
2449 memory-tag and virtual operand PHIs except for store copy prop.
2451 2006-03-30 Richard Guenther <rguenther@suse.de>
2453 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2454 variants with double arguments.
2456 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2458 * genpreds.c (write_tm_constrs_h): Delete variable p.
2459 * genconditions.c (write_header): Add tm-constrs.h to included
2461 * genpeep.c (main): Add toplev.h to included headers.
2462 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2463 (build/genpeep.o): Add toplev.h dependency.
2464 * config/rs6000/constraints.md: Add "W" constraint.
2466 2006-03-29 Roger Sayle <roger@eyesopen.com>
2468 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2469 sizes by correctly testing whether the size fits a host integer.
2470 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2471 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2472 SImode range for the default sizetype and bitsizetype.
2474 2006-03-29 Roger Sayle <roger@eyesopen.com>
2476 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2477 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2478 quickly if the argument is already of the correct type.
2479 Call fold_build1 instead of build1. Tidy up blank lines.
2481 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2483 * genemit.c (main): Add tm-constrs.h to included headers.
2484 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2485 * genpeep.c (main): Add tm-constrs.h to included headers.
2486 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2487 (write_tm_constrs_h): this and write complete file.
2488 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2489 (write_insn_preds_c): Add tm-constrs.h to included headers.
2490 (gen_constrs): New variable.
2491 (parse_option): Parse "-c".
2492 (main): Invoke write_tm_constrs_h.
2493 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2494 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2495 (object_out_file): Add tm-constrs.h dependency.
2496 (insn-emit.o): Same.
2497 (insn-output.o): Same.
2498 (insn-peep.o): Same.
2499 (insn-preds.o): Same.
2500 (insn-recog.o): Same.
2501 (tm-constsr.h): New target.
2502 (s-constrs-h): New target.
2504 * config/rs6000/constraints.md: New file.
2505 * config/rs6000/rs6000.c: Include tm-constrs.h.
2506 (num_insn_constant_wide): Convert to satisfies_constraint.
2507 (rs6000_rtx_costs): Convert to satisfies_constraint.
2508 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2509 (CONST_OK_FOR_LETTER_P): Delete.
2510 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2511 (EXTRA_CONSTRAINT): Delete.
2512 (EXTRA_MEMORY_CONSTRAINT): Delete.
2513 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2514 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2515 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2516 satisfies_constraint.
2518 * config/i386/i386.c: Include tm-constrs.h.
2520 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2522 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2523 * tree-data-ref.c (find_data_references_in_loop,
2524 compute_data_dependences_for_loop): Use pointers to VEC.
2525 (analyze_all_data_dependences): Adjust calls.
2526 * tree-data-ref.h (find_data_references_in_loop,
2527 compute_data_dependences_for_loop): Adjust declarations.
2528 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2529 compute_data_dependences_for_loop.
2531 2006-03-29 Paul Brook <paul@codesourcery.com>
2533 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2536 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2538 PR tree-optimization/26859
2539 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2541 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2542 for the step after fold_convert.
2544 2006-03-29 Paul Brook <paul@codesourcery.com>
2546 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2547 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2549 2006-03-29 Paul Brook <paul@codesourcery.com>
2552 * targhooks.c (default_narrow_bitfield): New fuction.
2553 * targhooks.h (default_narrow_bitfield): add prototype.
2554 * target.h (gcc_target): Add narrow_volatile_bitfield.
2555 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2556 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2557 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2558 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2560 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2562 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2564 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2565 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2566 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2567 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2568 (s390_function_arg_float): Allow SDmode and DDmode values to be
2569 passed in floating point registers.
2570 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2571 check with SCALAR_FLOAT_MODE_P.
2572 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2574 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2576 PR tree-optimization/25985
2577 * tree-ssa-loop-niter.c (number_of_iterations_le,
2578 number_of_iterations_ne): Make comments more precise.
2579 (number_of_iterations_cond): Add only_exit argument. Use the
2580 fact that signed variables do not overflow only when only_exit
2582 (loop_only_exit_p): New.
2583 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2584 number_of_iterations_cond.
2586 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2588 PR tree-optimization/26643
2589 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2592 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2594 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2595 (divsi3_i4_int): Likewise.
2597 2006-03-28 Roger Sayle <roger@eyesopen.com>
2599 * expr.c (emit_group_store): Only create a new pseudo reg if the
2600 quantity it needs to hold isn't already a suitable pseudo.
2602 2006-03-28 Jeff Law <law@redhat.com>
2604 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2605 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2607 2006-03-28 Roger Sayle <roger@eyesopen.com>
2609 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2610 the equivalent ~X & Y, and the symmetry related transformations.
2611 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2612 ~X & Y, and symmetry related transforms.
2614 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2616 Revert my 2006-03-27 patches.
2618 2006-03-28 Roger Sayle <roger@eyesopen.com>
2620 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2621 ~(T1)X, when T1 and T2 are integer types of the same precision
2622 and (T2)X isn't an extension.
2624 2006-03-28 Jeff Law <law@redhat.com>
2626 PR tree-optimization/26796
2627 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2628 need EH edge cleanups rather than purging them immediately.
2629 (eliminate_degenerate_phis): Handle queued EH cleanups.
2631 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2633 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2636 2006-03-27 Roger Sayle <roger@eyesopen.com>
2639 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2640 cast BIT_NOT_EXPR operand to the correct type.
2642 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2644 * tree-loop-linear.c: Don't include varray.h.
2645 (gather_interchange_stats, try_interchange_loops,
2646 linear_transform_loops): Use VEC instead of VARRAY.
2647 * lambda-mat.c: Don't include varray.h.
2648 * tree-chrec.c: Same.
2649 * lambda-trans.c: Same.
2650 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2651 VEC instead of VARRAY.
2652 * tree-vectorizer.h: Idem.
2653 * tree-data-ref.c (dump_data_references,
2654 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2655 initialize_data_dependence_relation, finalize_ddr_dependent,
2656 compute_all_dependences, find_data_references_in_loop,
2657 compute_data_dependences_for_loop, analyze_all_data_dependences,
2658 free_dependence_relation, free_dependence_relations,
2659 free_data_refs): Idem.
2660 * tree-data-ref.h (data_reference_p, subscript_p): New.
2661 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2662 VEC instead of VARRAY.
2663 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2664 (find_data_references_in_loop, compute_data_dependences_for_loop,
2665 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2666 dump_data_dependence_relations, free_dependence_relations,
2667 free_data_refs): Adjust declaration.
2668 (lambda_transform_legal_p): Move declaration here...
2669 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2670 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2671 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2672 vect_analyze_data_refs): Use VEC instead of VARRAY.
2673 * lambda.h (lambda_transform_legal_p): ...from here.
2674 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2675 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2676 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2677 tree-chrec.o): Don't depend on VARRAY_H.
2679 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2681 * rtl.def (Copyright): Update date.
2682 (DEPS_LIST): Change type of the second operand to 'int'.
2683 * target.h (Copyright): Update date.
2684 (struct gcc_target.speculate_insn): Change type of the second parameter
2686 * lists.c (Copyright): Update date.
2687 (alloc_DEPS_LIST): Change signature. Update reference to the second
2688 operand of the DEPS_LIST.
2689 (copy_DEPS_LIST_list): Update reference to the second operand of the
2691 * rtl.h (Copyright): Update date.
2692 (alloc_DEPS_LIST): Update signature.
2693 * sched-int.h (Copyright): Update date.
2694 (ds_t): Change typedef to 'int'.
2695 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2697 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2699 * haifa-sched.c (Copyright): Update date.
2700 (try_ready): Change condition to restore non-speculative pattern
2702 (process_insn_depend_be_in_spec): Code to keep probability of the
2703 speculative dependence non-decreasing.
2705 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2707 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2708 shut up the compiler.
2710 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2712 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2713 to use lib prefix for target.
2714 ($(T)libic_invalidate_array_4-200.a): Likewise.
2715 ($(T)libic_invalidate_array_4a.a): Likewise.
2717 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2718 J"orn Rennecke <joern.rennecke@st.com>
2720 * superh.opt: New file.
2721 * sh.c (boardtype, osruntime): Remove.
2722 * superh.h (SUBTARGET_OPTIONS): Remove.
2723 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2725 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2726 arguments with ^ and/or [].
2728 * config.gcc (sh-*-*): Add quoting to account for quirk of
2730 Replace == with = in enable_incomplete_targets test.
2732 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2733 with MASK_LITTLE_ENDIAN.
2735 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2736 * config/sh/sh.opt: Added to some comments.
2737 * config/sh/superh.h: Removed some chaff.
2739 * config/sh/sh.opt: Add m4-[1234]00* options.
2740 * config/sh/sh.c (sh_handle_option): Likewise.
2741 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2742 (ic_invalidate_array_4-100.o): New rule.
2743 ($(T)libic_invalidate_array_4-100.a): Likewise.
2744 (ic_invalidate_array_4-200.o): Likewise.
2745 ($(T)libic_invalidate_array_4-200.a): Likewise.
2746 (ic_invalidate_array_4a.o): Likewise.
2747 ($(T)libic_invalidate_array_4a.a): Likewise.
2748 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2749 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2751 * config/sh/crt1.asm: Merged in profiling code.
2752 * config/sh/superh.h (STARTFILE_SPEC): Override.
2753 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2754 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2755 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2757 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2758 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2759 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2761 * sh.opt (mpretend-cmove): New option.
2762 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2763 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2764 (movsicc): Add TARGET_PRETEND_CMOVE code.
2766 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2768 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2769 s390_class_max_nregs): New function prototypes.
2770 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2771 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2772 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2773 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2775 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2777 * dwarf2out.c (add_location_or_const_value_attribute): Call
2778 tree_add_const_value_attribute if nothing else works.
2779 (reference_to_unused): New.
2780 (rtl_for_decl_init): Use reference_to_unused to decide whether
2781 to output an initializer.
2783 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2786 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2787 peephole removing spe frob_di_df_2.
2789 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2791 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2792 (subscript_dependence_tester_1): Declared.
2793 (print_dir_vectors, print_dist_vectors): New.
2794 (debug_data_dependence_relation): New.
2795 (dump_data_dependence_relation): Print more details.
2796 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2797 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2798 (save_dist_v, save_dir_v, add_outer_distances,
2799 build_classic_dist_vector_1): New.
2800 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2801 Don't test for lambda_vector_lexico_pos.
2802 (same_access_functions, add_multivariate_self_dist,
2803 add_other_self_distances, dir_from_dist): New.
2804 (build_classic_dir_vector): Replace implementation almost identical to
2805 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2807 (subscript_dependence_tester_1): New.
2808 (subscript_dependence_tester): Handle the lexicographically negative
2809 distance vectors by recomputing the dependence relation.
2810 (compute_affine_dependence): Remove parameter loop_nest_depth.
2811 (compute_self_dependence): Don't call compute_subscript_distance.
2812 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2813 Add a parameter for the loop_nest.
2814 (find_loop_nest_1, find_loop_nest): New.
2815 (compute_data_dependences_for_loop): Compute the loop nest, and give
2816 up if the nest is not well formed.
2817 * tree-data-ref.h (loop_p): New.
2818 (struct data_dependence_relation): Replace size_vect field with
2819 loop_nest, a vec of loops.
2820 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2821 (DDR_LOOP_NEST): New.
2822 (print_dir_vectors, print_dist_vectors,
2823 debug_data_dependence_relation): Declared.
2824 (index_in_loop_nest): New.
2825 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2826 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2829 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2831 * simplify-rtx.c (simplify_relational_operation): Call
2832 simplify_relational_operation_1 even if mode is VOIDmode.
2834 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2836 PR tree-optimization/26804
2837 * tree.h (DECL_CALL_CLOBBERED): New macro.
2838 (tree_decl_common): Add call_clobbered_flag.
2839 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2840 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2841 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2842 (mark_non_addressable): Ditto.
2843 * tree-ssa.c (verify_call_clobbered): New function.
2844 (verify_alias_info): Use it.
2845 * tree-pass.h (pass_reset_cc_flags): New prototype.
2846 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2847 (reset_cc_flags): New function.
2848 * passes.c (init_optimization_passes): Call reset_cc_flags after
2849 initializing referenced_vars.
2851 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2852 Roger Sayle <roger@eyesopen.com>
2855 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2856 to 1.0 for non-real operands. Implement A / A optimization for
2859 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2861 * config/i386/i386.c (size_cost): Correct the comment for
2862 cost of storing fp registers.
2863 (i386_cost): Likewise.
2864 (i486_cost): Likewise.
2865 (pentium_cost): Likewise.
2866 (pentiumpro_cost): Likewise.
2867 (k6_cost): Likewise.
2868 (athlon_cost): Likewise.
2869 (k8_cost): Likewise.
2870 (pentium4_cost): Likewise.
2871 (nocona_cost): Likewise.
2872 (generic64_cost): Likewise.
2873 (generic32_cost): Likewise.
2875 2006-03-24 Denis Chertykov <denisc@overta.ru>
2877 * config/avr/avr-protos.h (extra_constraint): Delete.
2878 (extra_constraint_Q): New declaration.
2879 * config/avr/constraints.md: New file.
2880 * config/avr/avr.md: Include it.
2881 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2882 (TMP_REGNO, ZERO_REGNO): Likewise.
2883 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2884 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2885 (extra_constraint): Delete.
2886 (extra_constraint_Q): Test for memory constraint 'Q'.
2887 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2888 (REG_CLASS_FROM_LETTER): Delete.
2889 (CONST_OK_FOR_LETTER_P): Delete.
2890 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2891 (EXTRA_CONSTRAINT): Delete.
2892 (TMP_REGNO): Delete.
2893 (ZERO_REGNO): Delete.
2895 2006-03-24 Jeff Law <law@redhat.com>
2897 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2898 directly. Call mark_new_vars_to_rename slightly earlier.
2900 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2902 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2904 (gen_compile_unit_die): Use new language types for Objective-C and
2906 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2907 DW_LANG_C_plus_plus.
2910 * config/t-darwin (crt3.o): Work around bug 26840.
2911 * config/darwin-crt3.c: Rewrite.
2912 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2914 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2916 * doc/invoke.texi: Document -femit-class-debug-always
2917 * common.opt: Add -femit-class-debug-always.
2919 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2921 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2922 index and base register.
2923 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2924 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2925 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2926 REGNO_OK_FOR_INDEX_P.
2927 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2929 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2930 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2931 REG_OK_FOR_BASE_P): Definitions removed.
2933 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2936 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2937 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2938 set yet or weren't marked as local yet.
2940 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2942 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2945 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2947 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2948 (rs6000_legitimate_small_data_p): Delete.
2949 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2950 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2951 and make static. Add forward declaration. Update uses.
2952 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2953 of offsettable_memref_p.
2954 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2955 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2957 2006-03-24 Jeff Law <law@redhat.com>
2959 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2960 around bug in immediate-use iterator.
2962 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2965 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2966 or __LITTLE_ENDIAN__.
2968 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2970 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2971 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2972 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2973 * config/sh/sh.opt (mdiv=): Amend description.
2974 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2975 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2976 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2977 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2978 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2979 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2980 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2981 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2982 TARGET_DIVIDE_CALL_FP.
2984 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2986 * haifa-sched.c (choose_ready): Fix type of the local variable.
2987 Move local variables. Add comment.
2988 (check_reg_live): Change signature. Make callable from debugger.
2989 * sched-int.h (check_reg_live): Update signature.
2990 * sched-ebb.c (check_reg_live): Update parameters.
2991 * sched-rgn.c (check_reg_live): Ditto.
2992 (region_head_or_leaf_p): Check pointer before dereferencing.
2993 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2994 before reload on optimization levels below 1.
2996 2006-03-23 Richard Henderson <rth@redhat.com>
2998 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3002 * config/alpha/predicates.md (local_symbolic_operand): Reject
3005 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3008 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3009 expressions which have overflowed constants.
3011 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3013 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3015 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3017 * cfgloopmanip.c (create_loop_notes): Removed.
3018 * final.c (final_scan_insn): Do not handle loop notes.
3019 * jump.c (squeeze_notes): Ditto.
3020 * cfglayout.c (skip_insns_after_block,
3021 duplicate_insn_chain): Ditto.
3022 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3024 * cfgloop.h (create_loop_notes): Declaration removed.
3026 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3028 * varasm.c (output_constant_pool): Restore fnname and fndecl
3030 (assemble_start_function): Adjust call accordingly.
3031 (assemble_end_function): Likewise.
3033 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3036 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3039 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3041 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3044 * system.h (ICE_EXIT_CODE): New macro.
3045 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3046 (diagnostic_action_after_output): Likewise.
3047 * gcc.c (fatal_ice): New function.
3048 (execute): Use it instead of fatal.
3049 (fancy_abort): Likewise.
3050 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3052 2006-03-22 Jeff Law <law@redhat.com>
3054 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3055 iv_analyze_result returning false.
3057 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3059 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3061 2006-03-22 Richard Henderson <rth@redhat.com>
3064 * except.c (duplicate_eh_regions_0): New.
3065 (duplicate_eh_region_1): Duplicate the children of the node as
3066 well as the node itself. Link them up properly.
3067 (duplicate_eh_region_2): Merge into ...
3068 (duplicate_eh_regions): ... here. Take copy_region argument, and
3069 copy only a sub-tree if asked. Simplify copying and fixup.
3070 (eh_region_outer_p): New.
3071 * except.h (duplicate_eh_regions): Update decl.
3072 (eh_region_outer_p): Declare.
3073 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3074 (lower_omp_master): Likewise.
3075 (lower_omp_ordered): Likewise.
3076 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3077 (move_stmt_r): Use it to remap labels. Handle recursion vs
3078 remap_decls_p properly.
3079 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3080 (find_outermost_region_in_block): New.
3081 (new_label_mapper): New.
3082 (move_sese_region_to_fn): Copy eh information to the new function
3084 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3086 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3089 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3091 * doc/md.texi (-mshared): Mention that -mshared code can be linked
3092 into shared libraries.
3094 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3096 * doc/md.texi: Refer to i386/constraints.md instead of
3098 * config/i386/constraints.md: New file, extracted from...
3099 * config/i386/predicates.md: ...here.
3100 * config/i386/i386.md: Include constraints.md.
3102 2006-03-21 Jason Merrill <jason@redhat.com>
3104 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
3107 * expr.c (init_block_move_fn): Force default visibility.
3108 (init_block_clear_fn): Likewise.
3109 * builtins.c (expand_builtin_fork_or_exec): Likewise.
3110 * targhooks.c (default_external_stack_protect_fail): Likewise.
3112 2006-03-21 Richard Sandiford <richard@codesourcery.com>
3114 * config/mips/predicates.md (const_call_insn_operand): Allow direct
3115 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
3116 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
3117 Use TARGET_OLDABI instead of !TARGET_NEWABI.
3118 (loadgp): Use mips_current_loadgp_style.
3119 (loadgp_noshared): New pattern.
3120 (sibcall_internal): Use MIPS_CALL.
3121 (sibcall_value_internal): Likewise.
3122 (sibcall_value_multiple_internal): Likewise.
3123 (call_internal): Likewise.
3124 (call_value_internal): Likewise.
3125 (call_value_multiple_internal): Likewise.
3126 (call_split): Use MIPS_CALL and add an 'S' constraint.
3127 (call_value_split): Likewise.
3128 (call_value_multiple_split): Likewise.
3129 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3130 (-mshared): New option.
3131 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3132 (mips_current_loadgp_style): Declare.
3133 * config/mips/mips.c (mips_classify_symbol): Avoid using
3134 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3135 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3136 TARGET_ABSOLUTE_ABICALLS.
3137 (override_options): Adjust comments. Improve the warning that is
3138 issued when -mabicalls and -G are used together.
3139 (mips_file_start): Remove comment.
3140 (mips_current_loadgp_style): New function.
3141 (mips_gnu_local_gp): New variable.
3142 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
3144 (mips_output_function_prologue): Use mips_current_laodgp_style.
3145 (mips_expand_prologue): Call mips_emit_loadgp before emitting
3146 the cprestore instruction.
3147 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
3148 live for TARGET_ABSOLUTE_ABICALLS.
3149 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
3150 (ASM_SPEC): Pass down -mshared and -mno-shared.
3151 (MIPS_CALL): New macro.
3152 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
3154 * doc/invoke.texi (-mabicalls): Update documentation.
3155 (-mshared): Document.
3157 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3159 * config/ia64/unwind-hpux.c: New file.
3160 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
3162 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3165 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
3167 2006-03-21 Jeff Law <law@redhat.com>
3169 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
3170 type conversions of a VR_VARYING source to a wider type.
3172 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3174 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
3175 tm_file on Solaris 10 and later.
3176 (sparc64-*-solaris2*): Likewise.
3177 (sparc-*-solaris2*): Likewise.
3178 * config/sol26.h: Rename to config/sol2-6.h.
3179 * config/sol2-10.h: New file.
3181 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
3184 * tree-ssa-pre.c (create_component_ref_by_pieces):
3187 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3190 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3191 return it immediately.
3193 2006-03-21 Michael Matz <matz@suse.de>
3195 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3197 (remove_arc, add_arc): Update num_out_arcs member.
3198 (set_out_arc_insns_equiv_num): Returns nothing instead of number
3200 (cache_presence): New function.
3201 (compare_states_for_equiv): New function.
3202 (state_is_differed): Don't take number of outargs, adjust callers.
3203 Use new invariant for speeding up.
3204 (init_equiv_class): Create initial classes based on sorted
3206 (partition_equiv_class): Don't track out_arcs_num.
3207 (evaluate_equiv_classes): Call cache_presence on all states and
3210 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
3212 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
3213 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
3214 (bfin_valid_reg_p): Test for pseudos explicitly and use only
3215 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
3217 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
3218 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
3219 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
3220 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
3221 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
3223 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
3224 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
3225 (REGNO_REG_CLASS): ARGP is in PREGS.
3226 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
3228 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
3229 to deal with those addresses.
3230 * addresses.h: New file.
3231 * caller-save.c: Include "addresses.h".
3232 (init_caller_save): Use new base_reg_class function.
3233 * rtl-factoring.c: Include "addresses.h".
3234 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
3235 * recog.c: Include "addresses.h".
3236 (preprocess_constraints): Use new base_reg_class function.
3237 * regrename.c: Include "addresses.h".
3238 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3239 functions. Keep track of a new var INDEX_CODE to compute valid
3241 (replace_oldest_value_addr): Likewise.
3242 (replace_oldest_value_mem): Use base_reg_class.
3243 * reload.c: Include "addresses.h".
3244 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3245 (find_reloads): Use new base_reg_class function.
3246 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3247 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3248 all callers and prototype changed.
3249 * reload1.c: Include "addresses.h".
3250 (maybe_fix_stack_asms): Use base_reg_class.
3251 * regclass.c: Include "addresses.h".
3252 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3253 (init_reg_autoinc): Use new base_reg_class function.
3254 (record_reg_classes): Likewise.
3255 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3256 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3257 Use new args to compute necessary class.
3259 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3260 regrename.o, rtl-factoring.o): Update dependencies.
3261 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3262 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3263 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3264 REG_OK_FOR_INDEX_P): Delete documentation.
3266 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
3268 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
3269 from V7 to V9 for Solaris 7 and above.
3271 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3273 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3274 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3275 argument pointers may not alias any other storage.
3276 * common.opt: Define option -fargument-noalias-anything.
3277 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
3278 alias semantics is specified by flag_argument_noalias > 2.
3280 2006-03-20 Jeff Law <law@redhat.com>
3282 * tree-pass.h (pass_phi_only_copy_prop): Delete.
3283 (pass_phi_only_cprop): Declare.
3284 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
3286 * tree-ssa-dom.c (degenerate_phi_result): New function.
3287 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
3288 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
3289 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
3290 (eliminate_degenerate_phis): Likewise.
3291 (pass_phi_only_cprop): New pass descriptor.
3292 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
3293 support code. Callers updated.
3294 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
3295 (store_copy_prop): Likewise.
3296 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
3298 2006-03-20 Jason Merrill <jason@redhat.com>
3301 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
3302 (push_visibility, pop_visibility): Likewise.
3303 * c-pragma.h: Declare them.
3305 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3307 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
3309 * config/sh/sh.c (find_regmode_weight): Change the type of the first
3310 parameter and use get_ebb_head_tail.
3311 (sh_md_init_global): Adjust uses of find_regmode_weight.
3313 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3315 * function.h (struct function) <x_tail_recursion_reentry>:
3316 Rename to x_stack_check_probe_note.
3317 (tail_recursion_reentry): Rename to stack_check_probe_note.
3318 * function.c: Replace tail_recursion_reentry with
3319 stack_check_probe_note everywhere.
3320 (expand_function_start): Only emit a note for
3321 stack_check_probe_note with -fstack-protect.
3322 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3324 * emit-rtl.c (remove_unnecessary_notes): Remove.
3325 (pass_remove_unnecessary_notes): Remove.
3326 * rtl.h (remove_unnecessary_notes): Remove prototype.
3327 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3328 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3329 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3331 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3334 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3335 (valid_in_set): Handle ARRAY_REF.
3336 Change "if min_variant or VH" to asserts.
3337 (create_component_ref_by_pieces): Handle ARRAY_REF.
3338 (create_expression_by_pieces): Likewise.
3339 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3341 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3343 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3344 is operand of switch, not str[0].
3346 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3348 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3349 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3351 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3353 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3354 end of insn_extra_address_constraint declaration.
3356 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3358 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3359 (no-sum-in-toc): Same.
3360 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3362 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3363 NO_FP_IN_TOC for -fPIC instead of mask.
3365 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3366 (BOOT_LDFLAGS): Delete.
3368 * config/rs6000/t-aix52: Same.
3370 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3371 (stmsi[345678]_power): New.
3373 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3375 * config/ia64/ia64.opt: Add empty line to end of file.
3377 2006-03-17 Richard Guenther <rguenther@suse.de>
3380 * builtins.c (get_pointer_alignment): For component style references
3381 adjust alignment to the component type alignment. Make sure
3382 to adjust alignment for component access of constants.
3384 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3386 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3389 2006-03-17 Paul Brook <paul@codesourcery.com>
3391 * doc/install.texi: Docuemnt --with-mode.
3392 * config.gcc: Add --with-mode for arm*-*-*.
3393 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3395 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3397 * sh.c (max_labelno_before_reorg): New variable.
3398 (sh_reorg): Initialize it.
3399 (find_barrier): Check max_labelno_before_reorg before using
3400 label_to_alignment. Take length of explicit alignment insns
3401 into account. When seeing a UNSPECV_CONST_END, return it.
3403 * sh.c (fixup_mova): Set mode of affected label to QImode.
3404 (untangle_mova): New function.
3405 (find_barrier): Use it. Check mode of label before decrementing
3407 (sh_reorg): Likewise.
3408 Set mode of all insns back to VOIDmode.
3410 * sh.c (MOVA_LABELREF): New macro.
3411 (mova_p, fixup_mova, sh_reorg): Use it.
3412 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3413 ADDR_DIFF_VEC matches mova.
3415 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3417 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3418 with ATTRIBUTE_UNUSED.
3420 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3422 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3423 pointer, instead of assuming it is possible to derive the
3424 correct args size from a call insn.
3426 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3428 * rtl.h (CONST_INT_P): Define.
3429 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3430 instead of GET_CODE(x) == CONST_INT.
3431 (vax_rtx_costs): Likewise.
3432 (vax_output_int_move): Likewise.
3433 (vax_output_int_add): Likewise.
3434 (legitimate_constant_address_p): Likewise.
3435 (index_term_p): Likewise.
3436 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3437 * config/vax/vax.md (and<mode>3): Likewise.
3438 (ashrsi3): Likewise.
3440 (movstricthi): Likewise.
3441 (movstrictqi): Likewise.
3442 (rotrsi3): Likewise.
3443 (five unnamed insns): Likewise.
3445 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3447 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3448 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3449 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3450 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3451 Pass to ASM_OUTPUT_DWARF_OFFSET.
3452 * dwarf2out.c (debug_frame_section): New.
3453 (output_call_frame_info): Use debug_frame_section. Pass it to
3454 dw2_asm_output_offset.
3455 (output_die): Pass appropriate section to dw2_asm_output_offset.
3456 (output_compilation_unit_header): Likewise.
3457 (output_pubnames): Likewise.
3458 (output_aranges): Likewise.
3459 (enum dw_val_class): Break dw_val_class_lbl_offset into
3460 dw_val_class_lineptr and dw_val_class_macptr.
3461 (add_AT_lbl_offset): Delete.
3462 (add_AT_lineptr): New.
3463 (add_AT_macptr): New.
3464 (AT_lbl): Expect a lineptr or macptr.
3465 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3466 (attr_checksum): Likewise.
3467 (same_dw_val_p): Likewise.
3468 (size_of_die): Likewise.
3469 (value_format): Likewise.
3470 (output_die): Likewise.
3471 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3473 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3474 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3475 * config/darwin-protos.h (darwin_file_start): New.
3476 (darwin_asm_output_dwarf_offset): New.
3477 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3478 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3480 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3481 if not EH section; simplify.
3482 (darwin_file_start): New.
3483 (darwin_asm_output_dwarf_offset): New.
3484 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3486 (DEBUG_INFO_SECTION): Likewise.
3487 (DEBUG_ABBREV_SECTION): Likewise.
3488 (DEBUG_ARANGES_SECTION): Likewise.
3489 (DEBUG_MACINFO_SECTION): Likewise.
3490 (DEBUG_LINE_SECTION): Likewise.
3491 (DEBUG_LOC_SECTION): Likewise.
3492 (DEBUG_PUBNAMES_SECTION): Likewise.
3493 (DEBUG_STR_SECTION): Likewise.
3494 (DEBUG_RANGES_SECTION): Likewise.
3495 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3496 (ASM_OUTPUT_DWARF_OFFSET): New.
3498 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3500 * config.gcc (tm_defines): Always add to previous value rather
3503 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3505 * config/mips/predicates.md (splittable_const_int_operand): New,
3506 split from move_operand.
3507 (splittable_symbolic_operand): New.
3508 (move_operand): Add commentary. Use splittable_const_int_operand.
3509 Inline mips_atomic_symbolic_constant_p.
3510 * config/mips/mips.md: Add combine splitters for handling moves
3511 of splittable_const_int_operands and splittable_symbolic_operands.
3512 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3513 (mips_split_symbol): Declare.
3514 (mips_move_integer): Declare.
3515 * config/mips/mips.c (mips_split_p): Make global.
3516 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3517 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3518 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3519 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3520 (mips_offset_within_object_p): Handle block symbols.
3521 (mips_atomic_symbolic_constant_p): Delete.
3522 (mips_cannot_force_const_mem): Return false for constants that
3523 mips_legitimize_move can handle.
3524 (mips_use_blocks_for_constant_p): New function.
3525 (mips_split_symbol): Make global.
3526 (mips_move_integer): Likewise. Add a temporary register argument.
3527 (mips_legitimize_const_move): Use splittable_const_int_operand and
3528 splittable_symbolic_operand.
3529 (mips_use_anchors_for_symbol_p): New function.
3530 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3531 (mips_split_p): Declare.
3533 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3535 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3536 (mips*-*-linux*): Likewise.
3538 2006-03-16 Roger Sayle <roger@eyesopen.com>
3539 Daniel Speyer <dspeyer@wam.umd.edu>
3542 * tree-dump.c (dump_real): New function.
3543 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3544 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3545 (tree-dump.o): Add $(REAL_H) to the dependencies.
3547 2006-03-16 Roger Sayle <roger@eyesopen.com>
3550 * real.c (real_from_string): If the mantissa is zero, don't bother
3551 parsing the exponent as the result should always be zero.
3553 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3555 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3557 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3559 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3560 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3561 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3562 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3563 ia64_sched_finish_global): New static functions to implement
3564 hooks from gcc_target.sched.
3565 (spec_check_no, max_uid, pending_data_specs): New static variables.
3566 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3567 ia64_spec_check_src_p): New static functions.
3568 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3569 (TARGET_SCHED_ADJUST_COST): Removed.
3570 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3571 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3572 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3573 TARGET_SCHED_GEN_CHECK,
3574 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3575 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3576 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3577 Fixed to handle speculation checks.
3578 (rtx_needs_barrier): Fixed to handle speculative loads and
3580 (ia64_variable_issue): Added code to count speculative loads and their
3582 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3584 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3586 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3588 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3589 (ia64_reorg): Reset stops_p to NULL after it is freed.
3590 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3591 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3592 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3594 (data_speculative, control_speculative, check_load): New attributes.
3595 (mov<mode>_advanced, mov<mode>_speculative,
3596 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3597 zero_extend<mode>di2_speculative,
3598 zero_extend<mode>di2_speculative_advanced): New patterns for
3599 data and control speculative loads.
3600 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3602 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3603 New pattern for data and control speculation checks.
3604 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3605 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3606 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3607 Auxiliary definitions for the patterns.
3608 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3609 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3611 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3613 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3614 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3615 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3616 New resource constraints.
3617 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3619 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3620 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3621 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3622 msched-in-control-spec, msched-ldc, msched-control-ldc,
3623 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3624 msched-prefer-non-control-spec-insns,
3625 msched-count-spec-in-critical-path): New flags to tune speculative
3627 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3628 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3629 msched-in-control-spec, msched-ldc, msched-control-ldc,
3630 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3631 msched-prefer-non-control-spec-insns,
3632 msched-count-spec-in-critical-path): Document new flags.
3634 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3636 * target.h (struct spec_info_def): New opaque declaration.
3637 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3638 speculate_insn, needs_block_p, gen_check,
3639 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3640 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3641 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3642 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3643 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3644 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3646 (TARGET_SCHED): Use new macros.
3647 * rtl.h (copy_DEPS_LIST_list): New prototype.
3648 * sched-int.h (struct sched_info): Change signature of new_ready field,
3649 adjust all initializations. New fields: add_remove_insn,
3650 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3651 region_head_or_leaf_p.
3652 (struct spec_info_def): New structure declaration.
3653 (spec_info_t): New typedef.
3654 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3655 recovery_block, orig_pat.
3656 (glat_start, glat_end): New variables declaraions.
3657 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3659 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3660 DETACH_LIFE_INFO, USE_GLAT.
3661 (enum SPEC_SCHED_FLAGS): New enumeration.
3662 (NOTE_NOTE_BB_P): New macro.
3663 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3664 attach_life_info, debug_spec_status, check_reg_live): New functions.
3665 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3666 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3668 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3669 * ddg.c (get_block_head_tail): Adjust all uses.
3670 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3671 (sms_sched_info): Initialize new fields.
3672 (contributes_to_priority): Removed.
3673 * haifa-sched.c (params.h): New include.
3674 (get_block_head_tail): Adjust all uses.
3675 (ISSUE_POINTS): New macro.
3676 (glat_start, glat_end): New global variables.
3677 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3678 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3679 old_last_basic_block, before_recovery, current_sched_info_var,
3680 rgn_n_insns, luid): New static variables.
3681 (insn_cost1): New function. Move logic from insn_cost to here.
3682 (find_insn_reg_weight1): New function. Move logic from
3683 find_insn_reg_weight to here.
3684 (reemit_notes, move_insn, max_issue): Change signature.
3685 (move_insn1): Removed.
3686 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3687 extend_bb): New static functions to support extension of scheduler's
3689 (generate_recovery_code, process_insn_depend_be_in_spec,
3690 begin_speculative_block, add_to_speculative_block,
3691 init_before_recovery, create_recovery_block, create_check_block_twin,
3692 fix_recovery_deps): New static functions to support
3693 generation of recovery code.
3694 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3695 restore_bb_notes, move_block_after_check, move_succs): New static
3696 functions to support ebb scheduling.
3697 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3698 functions to support handling of register live information.
3699 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3700 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3701 add_jump_dependencies): New static functions.
3702 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3703 consistancy checking.
3704 (debug_spec_status): New function to call from debugger.
3705 (priority): Added code to handle speculation checks.
3706 (rank_for_schedule): Added code to distinguish speculative instructions.
3707 (schedule_insn): Added code to handle speculation checks.
3708 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3709 Fixed to handle ebbs.
3710 (move_insn): Added code to handle ebb scheduling.
3711 (max_issue): Added code to use ISSUE_POINTS of instructions.
3712 (choose_ready): Added code to choose between speculative and
3713 non-speculative instructions.
3714 (schedule_block): Added code to handle ebb scheduling and scheduling of
3715 speculative instructions.
3716 (sched_init): Initialize new variables.
3717 (sched_finish): Free new variables. Print statistics.
3718 (try_ready): Added code to handle speculative instructions.
3719 * lists.c (copy_DEPS_LIST_list): New function.
3720 * sched-deps.c (extend_dependency_caches): New function. Move logic
3721 from create_dependency_caches to here.
3722 (get_dep_weak, ds_merge): Make global.
3723 * genattr.c (main): Code to output prototype for
3724 dfa_clear_single_insn_cache.
3725 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3726 (output_dfa_clean_insn_cache_func): Code to output
3727 dfa_clear_single_insn_cache function.
3728 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3730 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3732 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3733 New static variables.
3734 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3735 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3737 (ebb_sched_info): Initialize new fields.
3738 (get_block_head_tail): Adjust all uses.
3739 (compute_jump_reg_dependencies): Fixed to use glat_start.
3740 (schedule_ebb): Code to remove unreachable last block.
3741 (schedule_ebbs): Added code to update register live information.
3742 * sched-rgn.c (region_sched_info): Initialize new fields.
3743 (get_block_head_tail): Adjust all uses.
3744 (last_was_jump): Removed. Adjust users.
3745 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3746 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3747 Implement new hooks.
3748 (check_dead_notes1): New static function.
3749 (struct region): New fields: dont_calc_deps, has_real_ebb.
3750 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3751 (BB_TO_BLOCK): Fixed to handle EBBs.
3752 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3753 (ebb_head): New static variable.
3754 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3755 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3757 (compute_dom_prob_ps): New assertion.
3758 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3759 global_live_at_start.
3760 (init_ready_list): New assertions.
3761 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3762 (new_ready): Add support for BEGIN_CONTROL speculation.
3763 (schedule_insns): Fixed code that updates register live information
3765 (schedule_region): Fixed to handle EBBs.
3766 (init_regions): Use extend_regions and check_dead_notes1.
3767 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3768 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3769 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3770 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3771 TARGET_SCHED_GEN_CHECK,
3772 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3773 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3774 * doc/invoke.texi (max-sched-insn-conflict-delay,
3775 sched-spec-prob-cutoff): Document.
3777 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3779 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3780 inter_tick, queue_index.
3781 (struct sched_info): Change signature of init_ready_list field.
3782 Adjust all initializations.
3783 (RESOLVED_DEPS): New access macro.
3784 (ready_add): Remove prototype.
3785 (try_ready): Add prototype.
3786 * sched-rgn.c (init_ready_list): Use try_ready.
3787 (schedule_region): Initialize
3788 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3789 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3790 (init_ready_list): Use try_ready.
3791 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3792 * lists.c (remove_list_elem): Remove `static'.
3793 (remove_free_INSN_LIST_elem): New function.
3794 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3795 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3796 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3798 (readyp): New variable.
3799 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3800 change_queue_index, resolve_dep): New static functions.
3801 (try_ready): New function. Adjust callers in sched-rgn.c and
3802 sched-ebb.c to use it instead of ready_add.
3803 (clock_var): Move at the begining of file.
3804 (rank_for_schedule): Fix typo.
3805 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3806 (ready_lastpos): Enforce assertion.
3807 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3809 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3810 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3811 (queue_to_ready): Use free_INSN_LIST_list.
3812 (early_queue_to_ready): Fix typo.
3813 (schedule_block): Init readyp. Move init_ready_list call after the
3814 initialization of clock_var. Fix error in rejecting insn by
3815 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3816 that previously corrected INSN_TICKs. Add code for handling
3818 (set_priorities): Fix typo.
3819 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3820 Clarify comment and code that keeps current_sched_info->next_tail
3823 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3825 * sched-rgn.c (extend_rgns): New static function.
3826 (find_rgns): Use it.
3827 (gather_region_statistics, print_region_statistics): New static
3829 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3830 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3832 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3833 Andrey Belevantsev <abel@ispras.ru>
3835 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3836 * lists.c (unused_deps_list): New variable.
3837 (free_list): Add assertions to verify the proper distinguishing
3838 between INSN_LISTs and DEPS_LISTs.
3839 (find_list_elem, remove_list_elem, remove_list_node): New static
3841 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3842 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3843 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3844 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3846 (free_INSN_LIST_node): Likewise.
3847 * modulo-sched.c (current_sched_info): Initialize flags field.
3848 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3849 * rtl.def (DEPS_LIST): Define.
3850 * rtl.h: Declare new functions from lists.c.
3851 * sched-deps.c (spec_dependency_cache): New static variable.
3852 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3853 (add_dependence): Change return type to void. Move the logic to ...
3854 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3855 (delete_all_dependences): Add comment about forward_dependency_cache.
3856 Handle spec_dependency_cache. Handle DEPS_LISTs.
3857 (fixup_sched_groups): Clarify the change of priority of output
3858 and anti dependencies.
3859 (sched_analyze_2): Adjust add_dependence calls to create data
3860 speculative dependence.
3861 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3862 Adjust all callers. Handle DEPS_LISTS.
3863 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3864 presence of speculation.
3865 (init_dependency_caches, free_dependency_caches):
3866 Handle spec_dependency_cache.
3867 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3868 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3869 New static functions.
3870 (add_or_update_back_dep, add_or_update_back_forw_dep,
3871 add_back_forw_dep, delete_back_forw_dep): New functions.
3872 * sched-int.h (ds_t, dw_t): New typedefs.
3873 (struct sched_info): Add new field flags.
3874 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3875 Prototype new sched-deps.c functions.
3876 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3877 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3878 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3879 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3880 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3881 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3883 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3885 * sched-rgn.c (current_sched_info): Initialize flags field.
3886 (schedule_insns): Initialize current_sched_info before the sched_init
3888 * sched-ebb.c (current_sched_info): Initialize flags field.
3889 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3890 Call add_or_update_back_dep instead of add_dependence.
3891 Create control speculative dependencies.
3892 (schedule_insns): Initialize current_sched_info before the sched_init
3895 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3897 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3899 (sh_fallback_frame_state): Likewise.
3901 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3903 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3904 Do switch on default_use_cxa_atexit.
3905 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3906 * config/darwin-crt3.o: New.
3907 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3908 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3909 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3911 * config/rs6000/t-darwin: Move crt2.o building to here.
3912 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3913 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3916 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3918 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3919 from '! xxx' to '!xxx' for coding-style conformance.
3920 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3921 (EXTRA_CONSTRAINT): Likewise.
3922 * config/vax/vax.md (four unnamed insns): Likewise.
3924 2006-03-15 Paul Brook <paul@codesourcery.com>
3926 * config/arm/arm.c (minipool_pad): New.
3927 (add_minipool_forward_ref): Include pool alignment padding in address
3929 (push_minipool_fix): Set minipool_pad.
3930 (minipool_pad): Ditto.
3932 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3934 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3935 instead of GET_CODE() == MEM and REG_P() instead of
3937 (print_operand_address): Likewise.
3938 (vax_address_cost): Likewise.
3939 (vax_rtx_costs): Likewise.
3940 (vax_notice_update_cc): Likewise.
3941 (vax_output_int_add): Likewise.
3942 (INDEX_REGISTER_P): Likewise.
3943 (BASE_REGISTER_P): Likewise.
3944 (nonindexed_address_p): Likewise.
3945 (vax_mode_dependent_address_p): Likewise.
3946 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3947 (PRINT_OPERAND): Likewise.
3948 * config/vax/vax.md (ashlsi3): Likewise.
3949 (ashlsi3): Likewise.
3950 (some more unnamed insns): Likewise.
3952 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3954 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3955 iterator-style macro.
3956 (mark_control_dependent_edges_necessary): Update the use of
3957 EXECUTE_IF_CONTROL_DEPENDENT.
3959 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3961 * config/sh/predicates.md (cache_address_operand): Special.
3962 (ua_address_operand): Likewise.
3964 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3966 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3968 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3970 2006-03-15 Andreas Schwab <schwab@suse.de>
3972 * gensupport.c (identify_predicable_attribute): Don't free p_false
3973 when it is still in use.
3975 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3977 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3978 the default setting here.
3980 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3982 * tree-pass.h (pass_cfg): Remove.
3983 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3984 * passes.c (pass_cfg): Don't run it.
3986 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3988 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3989 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3991 (stack_regs_mentioned): Update the uses of
3992 stack_regs_mentioned_data. Don't access the array beyond its
3994 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3995 Don't include gt-reg-stack.h.
3997 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3998 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
4000 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
4003 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
4006 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4008 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
4010 2006-03-14 Richard Guenther <rguenther@suse.de>
4012 PR tree-optimization/26672
4013 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
4016 2006-03-14 Richard Guenther <rguenther@suse.de>
4018 PR tree-optimization/26667
4019 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
4020 node for the callees. Always allow inlining if it will shrink
4023 2006-03-14 Richard Guenther <rguenther@suse.de>
4026 * builtins.c (get_pointer_alignment): Prefer alignment
4027 information from decls over that from types.
4029 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
4032 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
4034 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
4036 * config/rs6000/rs6000.opt (mdlmzb): New option.
4037 (msched-prolog, msched-epilog): Use Var not Mask.
4038 * doc/invoke.texi (-mdlmzb): Document.
4039 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4041 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
4042 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
4044 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
4046 PR rtl-optimization/25739
4047 * bt-load.c (augment_live_range): Free tos pointer.
4049 * gensupport.c (identify_predicable_attribute): Free
4051 * gcov.c (create_file_names): Free name pointer.
4053 2006-03-13 Roger Sayle <roger@eyesopen.com>
4056 * stmt.c (emit_case_nodes): Handle the case where the index is a
4057 CONST_INT, where the comparison mode is specified by the index type.
4059 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4061 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
4064 2006-03-13 Richard Sandiford <richard@codesourcery.com>
4066 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
4067 (*branch_fp_inverted): Likewise.
4069 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4072 * omp-low.c (expand_omp_for_generic): Mark istart0
4073 and iend0 as addressable.
4075 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4077 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
4079 2006-03-13 Jeff Law <law@redhat.com>
4081 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4082 virtual operands are interesting.
4083 (vrp_visit_stmt): Corresponding changes.
4085 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
4087 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
4089 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
4090 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
4091 * config/bfin/crti.S: Use it instead of __PIC__.
4092 * config/bfin/crtn.S: Likewise.
4094 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
4095 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
4097 Lose 'G' modifier for call operand.
4098 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
4099 recognize 'G' modifier.
4101 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
4104 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
4105 * stmt.c (expand_case): Likewise.
4107 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4109 PR rtl-optimization/26254
4110 * loop-invariant.c (seq_insns_valid_p): New function.
4111 (move_invariant_reg): Only emit new code if it is valid.
4113 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4115 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
4117 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
4118 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
4119 (commit_one_edge_insertion): Do not look for loop notes.
4121 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4123 * jump.c (follow_jumps): Do not check for loop notes. Move check for
4124 flag_test_coverage out of loop.
4126 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4128 * final.c (shorten_branches): Remove outdated comment, and turn
4129 the if branch that guards it to continue.
4131 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4133 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
4134 * cfgloop.h (struct loop): Remove unused fields.
4136 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
4138 * doc/invoke.texi (-fdump-rtl-loop): Remove.
4139 (-dL, -fdump-rtl-loop2): Update the dump file names
4141 * doc/invoke.texi: Update dump file names.
4143 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
4145 * predict.c (estimate_probability): Remove.
4146 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
4147 * basic-block.h (estimate_probability): Remove prototype.
4148 * passes.c (finish_optimization_passes): Dump branch prediction or
4149 profiling heuristics to the .profile tree dump.
4150 (init_optimization_passes): Unqueue pass_branch_prob.
4152 * doc/invoke.texi (-fdump-rtl-bp): Remove.
4154 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4156 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
4157 * rtl.h (LABEL_NEXTREF): Remove field accessor.
4159 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
4161 * function.h (frame_offset_overflow): Declare.
4162 * function.c (frame_offset_overflow): New function.
4163 (assign_stack_local_1): Call it to detect that the offset overflows.
4164 * cfgexpand.c (alloc_stack_frame_space): Likewise.
4166 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4168 * config/sh/sh.c: Include alloc-pool.h.
4169 (label_ref_list_pool): New alloc pool.
4170 (label_ref_list_t): New type for lists of labels.
4171 (struct pool_node): Make wend a label_ref_list_t.
4172 (add_constant): Use the new type, eradicate LABEL_NEXTREF
4174 (dump_table): Likewise.
4175 (sh_reorg): Set up the alloc pool before using add_constant and
4176 dump_table, and destroy it when finishing.
4178 2006-03-11 Richard Sandiford <richard@codesourcery.com>
4180 * config/mips/mips.c: Remove redundant comment.
4182 2006-03-10 Jason Merrill <jason@redhat.com>
4185 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
4186 the target was declared 'register'.
4188 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
4190 * genpreds.c (write_insn_constraint_len): Change definition of
4191 insn_constraint_len to return size_t to match the declaration.
4193 2006-03-10 DJ Delorie <dj@redhat.com>
4195 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
4197 (m32c_expand_insv): Fix test for an AND mask.
4199 2006-03-10 Richard Guenther <rguenther@suse.de>
4202 * builtins.c (get_pointer_alignment): Handle component
4203 references for field alignment.
4205 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4207 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
4208 when building with libgloss.
4209 (sh*elf): Implement --without-fp option.
4210 (sh64-superh-linux*): Don't multilib.
4212 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4214 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
4216 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
4218 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
4219 Set it when one of the replacement functions returned true.
4220 Return TODO_cleanup_cfg if cfgchanged is true.
4221 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
4223 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
4225 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
4226 instead of gen_lowpart.
4228 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4230 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
4232 (mips_output_order_conditional_branch): Declare.
4233 * config/mips/mips.h (MIPS_BRANCH): New macro.
4234 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
4235 for the comparison. Use gen_condjump.
4236 (mips_output_conditional_branch): Rework interface to take the
4237 asm templates for a direct branch and the inverse of a direct branch.
4238 (mips_output_order_conditional_branch): New function.
4239 (mips_builtin_branch_and_move): New function.
4240 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
4241 branch condition. Use gen_single_cc as the condition for
4242 __builtin_mips_upper_* or __builtin_mips_lower_*.
4243 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
4244 Use VOIDmode for the branch condition.
4245 * config/mips/predicates.md (order_operator): New predicate.
4246 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
4247 (branch_fp): Rename to...
4248 (*branch_fp): ...this. Remove mode from comparison operator.
4249 Use new mips_output_conditional_branch interface.
4250 (branch_fp_inverted): Rename to...
4251 (*branch_fp_inverted): ...this and update as for *branch_fp.
4252 (*branch_zero<mode>): Rename to...
4253 (*branch_order<mode>): ...this. Remove mode from comparison operator.
4254 Use mips_output_order_conditional_branch. Only accept ordered
4256 (*branch_zero<mode>_inverted): Rename to...
4257 (*branch_order<mode>_inverted): ...this and update as for
4258 *branch_order<mode>.
4259 (*branch_equality<mode>): Accept zero as the second operand to
4260 the equality operator. Use the new mips_output_conditional_branch
4262 (*branch_equality<mode>_inverted): Likewise.
4263 (condjump): New expander.
4264 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
4266 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
4267 (bc1any2t, bc1any2f): Likewise.
4268 (single_cc): New expander.
4269 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
4271 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4273 * doc/md.texi: Update documentation of MIPS constraints.
4274 * config/mips/constraints.md: New file.
4275 * config/mips/mips.md: Include it.
4276 * config/mips/mips.c (mips_char_to_class): Delete.
4277 (override_options): Don't initialize mips_char_to_class.
4278 * config/mips/mips.h (mips_char_to_class): Delete.
4279 (REG_CLASS_FROM_LETTER): Delete.
4280 (CONST_OK_FOR_LETTER_P): Delete.
4281 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4282 (EXTRA_CONSTRAINT_Y): Delete.
4283 (EXTRA_CONSTRAINT_STR): Delete.
4284 (CONSTRAINT_LEN): Delete.
4285 (EXTRA_MEMORY_CONSTRAINT): Delete.
4287 2006-03-09 Diego Novillo <dnovillo@redhat.com>
4289 * tree-cfg.c (move_block_to_fn): Remove the statements from the
4290 original fn's eh regions.
4292 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
4294 * fold-const.c (build_range_check): Make sure to use a valid type to
4295 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
4298 (range_predecessor): New static function.
4299 (range_successor): Likewise.
4300 (merge_ranges): Use them to compute predecessors and successors of
4303 2006-03-09 Roger Sayle <roger@eyesopen.com>
4306 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
4307 X op C3, consider whether C3 overflows towards +Inf or -Inf.
4309 2006-03-08 DJ Delorie <dj@redhat.com>
4311 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
4312 (addpsi3): Expand to include memory operands. Remove
4313 reload-specific splits.
4314 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
4315 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
4316 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
4317 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
4318 (shift1_qi, shift1_hi, insv): New.
4319 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
4320 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
4321 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
4323 * config/m32c/m32c-protos.h: Update as needed.
4324 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
4325 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
4326 Fail for unrecognized R* constraints.
4327 (m32c_cannot_change_mode_class): Be more picky about pseudos.
4328 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
4329 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
4331 (m32c_init_libfuncs): New.
4332 (m32c_legitimate_address_p): Add debug wrapper.
4333 (m32c_rtx_costs): New.
4334 (m32c_address_cost): New.
4335 (conversions): Add 'B' prefix.
4336 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
4337 operands, or word regnames for QI operands. 'B' prints bit
4339 (m32c_expand_setmemhi): New.
4340 (m32c_expand_movmemhi): New.
4341 (m32c_expand_movstr): New.
4342 (m32c_expand_cmpstr): New.
4343 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
4344 (m32c_expand_neg_mulpsi3): Handle non-ints.
4345 (m32c_cmp_flg_0): New.
4346 (m32c_expand_movcc): New.
4347 (m32c_expand_insv): New.
4348 (m32c_scc_pattern): New.
4349 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
4350 a0/a1 out of SIregs.
4351 (STORE_FLAG_VALUE): New.
4352 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
4355 * config/m32c/mov.md: Make constraints more liberal.
4356 (zero_extendqihi2): Optimize r0/r1 case.
4357 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
4358 * config/m32c/predicates.md (m32c_any_operand): New.
4359 (m32c_nonimmediate_operand): New.
4360 (m32c_hl_operand): New.
4361 (m32c_r3_operand): New.
4364 (memsym_operand): New.
4365 (memimmed_operand): New.
4366 (a_qi_operand): New.
4367 (m32c_eqne_operator): New.
4368 (m32c_1bit8_operand): New.
4369 (m32c_1bit16_operand): New.
4370 (m32c_1mask8_operand): New.
4371 (m32c_1mask16_operand): New.
4372 * config/m32c/blkmov.md: New file.
4373 * config/m32c/t-m32c (MD_FILES): Add blkmov.
4375 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
4377 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
4378 unsigned to fix signed/unsigned comparison issue in
4379 DWARF2_FRAME_REG_OUT.
4380 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
4381 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
4383 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
4384 of ptr into the ENABLE_CHECKING section.
4386 2006-03-08 Jeff Law <law@redhat.com>
4388 * tree-vrp.c (infer_value_range): Only count pointer uses
4389 and dereferences if -fdelete-null-pointer-checks is enabled.
4391 * tree-vrp.c (find_assert_locations): Infer value ranges for
4392 single use pointers, but do not create ASSERT_EXPRs for them.
4393 When a non-null range is inferred for a pointer, backwards
4394 propagate that range to other equivalent pointers through the
4397 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
4400 * Makefile.in (dvi, html, install-info): Invoke the corresponding
4401 language hook targets.
4402 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
4403 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
4404 if language hook targets were missing.
4406 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
4408 * tree-ssa-opfinalize.h: Removed.
4409 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
4411 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
4412 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
4413 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
4414 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4415 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4416 finalize_ssa_v_must_def_ops): New.
4418 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4420 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4423 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4425 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4427 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4428 addresses with offsets; reorganize.
4430 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4431 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4432 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4434 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4437 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4439 2006-03-08 Ben Elliston <bje@au.ibm.com>
4441 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4443 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4446 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4449 2006-03-07 Richard Guenther <rguenther@suse.de>
4451 PR tree-optimization/26587
4452 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4454 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4456 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4458 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4460 * hooks.c (hook_bool_mode_rtx_true): New function.
4461 * hooks.h (hook_bool_mode_rtx_true): Declare.
4462 * toplev.c (compile_file): Call output_shared_constant_pool.
4463 * varasm.c (shared_constant_pool): New variable.
4464 (assemble_start_function, assemble_end_function): Remove arguments
4465 from call to output_constant_pool.
4466 (create_constant_pool): New function, split out from...
4467 (init_varasm_status): ...here.
4468 (force_const_mem): Choose between the shared and per-function constant
4469 pools. Set current_function_uses_const_pool when reusing old entries
4470 as well as when creating new ones.
4471 (mark_constant): Ignore data argument.
4472 (mark_constants): Remove pool argument.
4473 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4474 to decide whether the function uses a constant pool.
4475 (output_constant_pool_contents): New function, split out from...
4476 (output_constant_pool): ...here.
4477 (output_shared_constant_pool): New function.
4478 (init_varasm_once): Initialize shared_constant_pool.
4479 * output.h (output_constant_pool): Delete.
4480 (output_shared_constant_pool): Declare.
4481 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4482 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4484 2006-03-06 Nick Clifton <nickc@redhat.com>
4486 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4487 flag_strength_reduce.
4489 2006-03-06 Ben Elliston <bje@au.ibm.com>
4491 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4492 x86_64-*-linux* configurations.
4494 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4495 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4497 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4499 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4501 * basic-block.h: Remove the extern for
4502 rediscover_loops_after_threading.
4504 * cfgloop.c (cancel_loop): Make it static.
4505 * cfgloop.h: Remove the prototype for cancel_loop.
4507 * flow.c (recompute_reg_usage): Make it static.
4508 * rtl.h: Remove the prototype for recompute_reg_usage.
4510 * function.c (use_return_register): Make it static.
4511 * function.h: Remove the prototype.
4513 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4515 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
4517 * recog.h: Remove the prototype for
4518 validate_change_maybe_volatile.
4520 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4522 * rtlanal.c (replace_reg): Remove.
4523 * rtl.h: Remove the prototype for replace_reg.
4525 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4527 * regclass.c (reg_scan_update): Remove.
4528 (reg_scan_mark_refs): Remove the last argument.
4529 * rtl.h: Remove the prototype for reg_scan_update.
4531 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4533 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4534 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4535 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4536 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4537 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4538 loop-invariant.c, omp-low.c, opts.c, passes.c,
4539 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4540 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4541 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4542 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4543 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4544 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4546 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4548 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4549 * dwarf2out.h: Remove the prototype for
4550 dwarf2out_add_library_unit_info.
4552 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4554 * tree.c (add_var_to_bind_expr): Remove.
4555 * tree.h: Remove the prototype for add_var_to_bind_expr.
4557 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4559 * regclass.c (n_non_fixed_regs): Remove.
4560 (init_reg_sets_1, globalize_reg): Remove all uses of
4562 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4564 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4566 * rtlanal.c (insns_safe_to_move_p): Remove.
4567 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4569 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4571 * expmed.c (expand_mult_add): Remove.
4572 * expr.h: Remove the prototype for expand_mult_add.
4574 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4576 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4577 and REG_SAVED_VAL_EXP constants.
4578 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4579 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4580 Handle regs stored by value.
4581 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4582 (execute_cfa_program): Handle DW_CFA_val_offset,
4583 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4584 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4585 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4586 (uw_install_context_1): Handle target regs stored by value.
4588 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4590 * tree-sra.c (tree_sra): Return todoflags;
4591 (generate_one_element): Set TODO_update_smt_usage if needed.
4592 (pass_sra): Remove TODO_update_smt_usage.
4593 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4595 (tree_ssa_forward_propagate_single_use_vars): Return
4596 TODO_update_smt_usage if we need to update SMT usage.
4597 (pass_forwprop): Remove TODO_update_smt_usage.
4599 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4601 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4602 (correct_use_link): Remove reference to get_stmt_operands.
4603 (update_stmt_operands): Likewise.
4604 (get_modify_expr_operands): New function factored out of
4605 parse_ssa_operands and get_expr_operands.
4606 Try to create V_MUST_DEFs for LHS by default.
4607 (get_expr_operands) <case MODIFY_EXPR>: Call
4608 get_modify_expr_operands.
4609 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4610 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4611 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4612 get_modify_expr_operands.
4614 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4616 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4617 * tree-flow.h: Remove the prototype for
4618 referenced_var_lookup_if_exists.
4620 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4622 PR rtl-optimization/26345
4624 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4626 2006-03-03 Roger Sayle <roger@eyesopen.com>
4628 PR tree-optimization/26524
4629 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4630 fold_convert to create a constant of the appropriate type.
4632 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4634 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4635 SYMBOL_REF_IN_BLOCK_P.
4636 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4637 of SYMBOL_FLAG_IN_BLOCK.
4638 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4639 instead of SYMBOL_REF_IN_BLOCK_P.
4640 * explow.c (use_anchored_address): Likewise.
4641 * rtl.c (rtx_size): Likewise.
4642 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4643 instead of SYMBOL_FLAG_IN_BLOCK.
4644 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4645 SYMBOL_REF_IN_BLOCK_P.
4646 (assemble_variable): Likewise.
4647 (output_constant_def_contents): Likewise.
4648 (output_constant_pool): Likewise.
4649 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4650 instead of SYMBOL_FLAG_IN_BLOCK.
4651 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4652 SYMBOL_REF_IN_BLOCK_P.
4653 (SYMBOL_REF_BLOCK): Likewise.
4654 (SYMBOL_REF_OFFSET): Likewise.
4655 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4656 SYMBOL_REF_IN_BLOCK_P.
4657 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4658 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4659 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4660 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4662 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4664 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4666 2006-03-02 Roger Sayle <roger@eyesopen.com>
4668 * simplify-rtx.c (simplify_unary_operation): When simplifying
4669 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4670 that we perform the right shift in the appropriate mode, and
4671 then extend or truncate the result to requested mode.
4673 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4675 * gengtype.c (main): Handle double_int type.
4676 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4677 * double-int.c: New file.
4678 * double-int.h: New file.
4679 * system.h: Include doubleint.h.
4680 * Makefile.in (SYSTEM_H): Include double-int.h.
4681 (double-int.o): Add.
4683 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4686 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4689 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4691 * tree-vrp.c (remove_range_assertions): Do not update statements
4694 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4696 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4698 * gcse.c (rest_of_handle_gcse): Ditto.
4699 * except.c (gate_handle_eh): Ditto.
4700 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4701 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4703 2006-03-02 Eric Christopher <echristo@apple.com>
4705 * config/i386/i386.c (machopic_output_stub): Add indirection to
4708 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4712 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4714 Sun Niagara specific optimizations.
4715 * config.gcc: Recognize niagara as target.
4716 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4717 (TARGET_CPU_niagara): Define.
4718 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4719 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4720 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4721 (ASM_CPU_SPEC): Likewise.
4722 (PROCESSOR_NIAGARA): New enum entry.
4723 (REGISTER_MOVE_COST): Handle Niagara.
4724 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4725 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4726 (sparc_override_options): Recognize "niagara", set appropriate
4727 default MASK_* values for it, and align functions to 32-bytes
4728 by default just like ULTRASPARC/ULTRASPARC3.
4729 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4730 (sparc64_initialize_trampoline): Likewise.
4731 (sparc_use_sched_lookahead): Use zero for niagara.
4732 (sparc_issue_rate): Use one for niagara.
4733 * config/sparc/niagara.md: New file.
4734 * config/sparc/sparc.md: Include it.
4735 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4736 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4737 when default cpu is niagara.
4738 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4739 (ASM_CPU_SPEC): Likewise.
4740 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4741 when default cpu is niagara.
4742 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4743 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4744 just like v9/ultrasparc/ultrasparc3.
4745 * doc/invoke.texi: Add documentation for "niagara" and improve
4746 existing documentation for ultrasparc variants.
4748 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4750 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4752 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4754 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4755 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4756 and say that only one is needed.
4757 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4758 * target.h (have_switchable_bss_sections): New hook.
4759 * explow.c (use_anchored_address): Check that the symbol is in a block.
4760 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4761 (bss_noswitch_section): New variables.
4762 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4763 (get_noswitch_section): New function.
4764 (get_block_for_section): Allow SECT to be null.
4765 (unlikely_text_section_p): Use SECTION_STYLE.
4766 (bss_initializer_p): New function.
4767 (get_variable_section): Move earlier in file. Take a new argument,
4768 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4769 Return one of the new *_sections in such cases.
4770 (get_block_for_decl): New function, extracting some logic from
4771 use_blocks_for_decl_p.
4772 (change_symbol_section): Remove in favor of...
4773 (change_symbol_block): ...this new function.
4774 (use_blocks_for_decl_p): Remove checks now performed by
4776 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4777 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4778 (emit_local, emit_bss, emit_common): ...these new functions.
4779 Return true if the alignment was honored.
4780 (emit_tls_common): New function.
4781 (asm_emit_uninitialised): Delete.
4782 (assemble_variable_noswitch): New function, split out from...
4783 (assemble_variable): ...here. Don't make decisions about common
4784 variables here. Globalize all public decls that go into non-common
4785 sections. Check whether SYMBOL_REF_BLOCK is null.
4786 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4787 (output_constant_pool): Likewise.
4788 (init_varasm_once): Initialize the new section variables.
4789 (have_global_bss_p): New function.
4790 (categorize_decl_for_section): Use bss_initializer_p.
4791 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4792 (place_block_symbol): Assert that the symbol must be in a block.
4793 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4794 (TARGET_INITIALIZER): Include it.
4795 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4796 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4797 (SECTION_MACH_DEP): Bump by two.
4798 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4799 (unnamed_section): Mention SECTION_UNNAMED in comment.
4800 (named_section): Likewise SECTION_NAMED.
4801 (noswitch_section_callback): New type.
4802 (noswitch_section): New structure.
4803 (section): Add a noswitch_section alternative.
4804 (SECTION_STYLE): New macro.
4805 (tls_comm_section, comm_section, lcomm_section): Declare.
4806 (bss_noswitch_section, have_global_bss_p): Declare.
4807 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4808 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4810 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4811 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4814 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4816 * gcc/tree-vrp.c (execute_vrp): Return value.
4817 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4818 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4819 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4820 (tree_lower_complex_O0): Ditto.
4821 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4822 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4823 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4824 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4825 (execute_tail_calls): Ditto.
4826 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4827 * gcc/tree.h (init_function_for_compilation): Ditto.
4828 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4829 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4830 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4831 * gcc/final.c (compute_alignments): Ditto.
4832 (rest_of_handle_final): Ditto.
4833 (rest_of_handle_shorten_branches): Ditto.
4834 (rest_of_clean_state): Ditto.
4835 * gcc/omp-low.c (execute_expand_omp): Ditto.
4836 (execute_lower_omp): Ditto.
4837 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4838 * gcc/ipa-reference.c (static_execute): Ditto.
4839 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4840 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4841 (rest_of_handle_machine_reorg): Ditto.
4842 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4843 * gcc/flow.c (recompute_reg_usage): Ditto.
4844 (rest_of_handle_remove_death_notes): Ditto.
4845 (rest_of_handle_life): Ditto.
4846 (rest_of_handle_flow2): Ditto.
4847 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4848 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4849 (do_ssa_store_ccp): Ditto.
4850 (execute_fold_all_builtins): Ditto.
4851 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4852 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4853 * gcc/ipa-pure-const.c (static_execute): Ditto.
4854 * gcc/cse.c (rest_of_handle_cse): Ditto.
4855 (rest_of_handle_cse2): Ditto.
4856 * gcc/web.c (rest_of_handle_web): Ditto.
4857 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4858 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4859 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4860 * gcc/tree-nrv.c (tree_nrv): Ditto.
4861 (execute_return_slot_opt): Ditto.
4862 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4863 (create_structure_vars): Ditto.
4864 * gcc/loop-init.c (rtl_loop_init): Ditto.
4865 (rtl_loop_done): Ditto.
4866 (rtl_move_loop_invariants): Ditto.
4867 (rtl_unswitch): Ditto.
4868 (rtl_unroll_and_peel_loops): Ditto.
4869 (rtl_doloop): Ditto.
4870 * gcc/gimple-low.c (lower_function_body): Ditto.
4871 (mark_used_blocks): Ditto.
4872 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4873 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4874 (cgraph_early_inlining): Ditto.
4875 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4876 * gcc/jump.c (cleanup_barriers): Ditto.
4877 (purge_line_number_notes): Ditto.
4878 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4879 (rest_of_handle_if_after_reload): Ditto.
4880 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4881 (tree_ssa_loop_im): Ditto.
4882 (tree_ssa_loop_unswitch): Ditto.
4883 (tree_vectorize): Ditto.
4884 (tree_linear_transform): Ditto.
4885 (tree_ssa_loop_ivcanon): Ditto.
4886 (tree_ssa_empty_loop): Ditto.
4887 (tree_ssa_loop_bounds): Ditto.
4888 (tree_complete_unroll): Ditto.
4889 (tree_ssa_loop_prefetch): Ditto.
4890 (tree_ssa_loop_ivopts): Ditto.
4891 (tree_ssa_loop_done): Ditto.
4892 * gcc/predict.c (tree_estimate_probability): Ditto.
4893 * gcc/recog.c (split_all_insns_noflow): Ditto.
4894 (rest_of_handle_peephole2): Ditto.
4895 (rest_of_handle_split_all_insns): Ditto.
4896 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4897 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4898 (rest_of_handle_stack_adjustments): Ditto.
4899 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4900 * gcc/function.c (instantiate_virtual_regs): Ditto.
4901 (init_function_for_compilation): Ditto.
4902 (rest_of_handle_check_leaf_regs): Ditto.
4903 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4904 (rest_of_handle_gcse): Ditto.
4905 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4906 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4907 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4908 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4909 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4910 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4911 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4912 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4913 * gcc/except.c (set_nothrow_function_flags): Ditto.
4914 (convert_to_eh_region_ranges): Ditto.
4915 (rest_of_handle_eh): Ditto.
4916 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4917 (remove_unnecessary_notes): Ditto.
4918 * gcc/except.h (set_nothrow_function_flags): Ditto.
4919 (convert_to_eh_region_ranges): Ditto.
4920 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4921 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4922 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4923 (execute_fre): Ditto.
4924 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4925 (rest_of_handle_jump2): Ditto.
4926 * gcc/tree-sra.c (tree_sra): Ditto.
4927 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4928 (execute_mudflap_function_decls): Ditto.
4929 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4930 (do_store_copy_prop): Ditto.
4931 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4932 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4933 * gcc/tree-ssa-forwprop.c
4934 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4935 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4936 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4937 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4938 (execute_late_warn_uninitialized): Ditto.
4939 * gcc/rtl.h (cleanup_barriers): Ditto.
4940 (split_all_insns_noflow): Ditto.
4941 (purge_line_number_notes): Ditto.
4942 (unshare_all_rtl): Ditto.
4943 (remove_unnecessary_notes): Ditto.
4944 (recompute_reg_usage): Ditto.
4945 (variable_tracking_main): Ditto.
4946 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4947 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4948 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4949 (execute_free_cfg_annotations): Ditto.
4950 (execute_fixup_cfg): Ditto.
4951 (execute_cleanup_cfg_pre_ipa): Ditto.
4952 (execute_cleanup_cfg_post_optimizing): Ditto.
4953 (execute_init_datastructures): Ditto.
4954 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4955 * gcc/combine.c (rest_of_handle_combine): Ditto.
4956 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4957 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4958 (rest_of_handle_reorder_blocks): Ditto.
4959 (rest_of_handle_partition_blocks): Ditto.
4960 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4961 * gcc/tree-profile.c (tree_profiling): Ditto.
4962 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4963 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4964 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4965 (rest_of_handle_sched2): Ditto.
4966 * gcc/basic-block.h (free_bb_insn): Ditto.
4967 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4968 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4969 (remove_useless_stmts): Ditto.
4970 (split_critical_edges): Ditto.
4971 (execute_warn_function_return): Ditto.
4972 (execute_warn_function_noreturn): Ditto.
4973 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4974 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4975 * gcc/passes.c (execute_one_pass): Run additional
4976 todos returned by execute function.
4977 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4980 2006-03-02 Richard Guenther <rguenther@suse.de>
4982 * tree-ssa-alias.c (find_used_portions): Consider taking
4983 the address as making the variable not write-only.
4985 2006-03-02 Nick Clifton <nickc@redhat.com>
4987 * config.gcc (default_use_cxa_atexit): Extend the description of
4988 this configure variable. Set its default value to "yes" for
4989 Linux, NetBSD and ELF targets on the assumption that they will
4990 use C libraries with the __cxa_atexit function.
4992 2006-03-02 Ben Elliston <bje@au.ibm.com>
4994 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4995 parameter as unused to suppress a build warning.
4997 2006-03-02 Ben Elliston <bje@au.ibm.com>
4999 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
5002 2006-03-01 Roger Sayle <roger@eyesopen.com>
5005 * gthr-posix.h (__gthrw2): Define to take three parameters, the
5006 declared name, the weak reference name, and the typeof name.
5007 (__gthrw): Avoid expanding the declared name suffix.
5008 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
5010 2006-03-01 Jakub Jelinek <jakub@redhat.com>
5012 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
5014 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
5015 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
5016 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
5017 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
5018 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
5019 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
5020 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
5021 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
5022 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
5023 DW_DS_leading_separate, DW_DS_trailing_separate): New.
5024 (DW_END_default, DW_END_big, DW_END_little): New.
5025 (DW_END_lo_user, DW_END_hi_user): Define.
5026 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
5027 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
5028 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
5031 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5033 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
5035 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
5037 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
5039 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
5041 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
5042 to 'symbol_mem_tag'.
5044 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
5047 2006-03-01 Roger Sayle <roger@eyesopen.com>
5049 * builtins.c (fold_builtin_copysign): Delete unreachable code.
5051 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5054 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
5055 MACHO_DYNAMIC_NO_PIC_P.
5056 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
5058 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5061 * config/darwin-protos.h (darwin_asm_output_anchor):
5063 * config/darwin-sections.def (cstring_section):
5064 Add SECTION_MERGE to the flags.
5065 (literal4_section): Likewise.
5066 (literal8_section): Likewise.
5067 (objc_selector_refs_section): Likewise.
5068 (objc_cls_refs_section): Likewise.
5069 * config/darwin.c (darwin_asm_output_anchor): New
5071 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5073 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5075 Fix PR tree-optimization/26443
5076 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5077 to todo and PROP_tmt_usage to properties_destroyed.
5078 * tree-ssa-ccp.c (pass_ccp): Ditto.
5079 (pass_store_ccp): Ditto.
5080 * tree-ssa-dom.c (pass_dominator): Ditto.
5082 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5084 * tree-ssa-operands.c: Cleanup whitespace.
5085 (get_asm_expr_operands): Move before first invocation.
5086 (get_indirect_ref_operands): Likewise.
5087 (get_tmr_operands): Likewise.
5088 (get_call_expr_operands): Likewise.
5089 (append_def): Likewise.
5090 (append_use): Likewise.
5091 (append_v_may_def): Likewise.
5092 (append_v_must_def): Likewise.
5093 (add_call_clobber_ops): Likewise.
5094 (add_call_read_ops): Likewise.
5095 (add_stmt_operand): Likewise.
5096 (add_virtual_operand): Likewise.
5097 (build_ssa_operands): Likewise.
5099 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5104 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5105 with a call expr to ...
5106 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5108 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5110 * tree-vrp.c (extract_range_from_assert): Remove special
5111 handling for types with super-types.
5113 2006-03-01 Ben Elliston <bje@au.ibm.com>
5115 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
5116 and powerpc64-*-linux* configurations.
5117 * config/t-dfprules: New file.
5119 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
5120 Compile dfp-bit.c from the source directory using -DWIDTH and
5121 $DFP_CFLAGS to control the compilation of that file, rather than
5122 generating width-specific versions in the build directory.
5123 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
5124 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
5126 2006-02-28 Zack Weinberg <zackw@panix.com>
5128 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
5131 2006-02-28 Eric Christopher <echristo@apple.com>
5133 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
5134 Set up IN_LIBGCC definition of TARGET_64BIT.
5135 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
5137 2006-02-28 Roger Sayle <roger@eyesopen.com>
5140 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
5141 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
5142 cases via the construction of "expr != 0".
5144 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
5146 * alias.c (alias_invariant, alias_invariant_size): Remove.
5147 (record_base_value): Remove.
5148 (memrefs_conflict_p): Don't look at alias_invariant.
5149 (end_alias_analysis): Don't free it.
5150 * alias.h (record_base_value): Remove prototype.
5152 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
5153 Adam Nemet <anemet@caviumnetworks.com>
5155 * rtl.h (truncated_to_mode): Declare it.
5156 (struct rtl_hooks): Add reg_truncated_to_mode hook.
5157 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
5158 (RTL_HOOKS_INITIALIZER): Include it.
5159 * rtlhooks.c (reg_truncated_to_mode_general): New function.
5160 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
5161 reg_truncated_to_mode.
5162 * rtlanal.c (truncated_to_mode): Define it.
5163 * simplify-rtx.c (simplify_unary_operation_1): Use it.
5165 2006-02-28 Jeff Law <law@redhat.com>
5167 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
5168 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
5169 the range allowed by TYPE_PRECISION.
5171 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
5173 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
5175 PR tree-optimization/26419
5176 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
5179 2006-02-27 Zack Weinberg <zackw@panix.com>
5181 * doc/md.texi: Fix typo in previous change.
5183 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5187 2006-02-27 Zack Weinberg <zackw@panix.com>
5189 * rtl.def (define_constraint, define_register_constraint)
5190 (define_memory_constraint, define_address_constraint): New MD forms.
5191 * gensupport.c (process_rtx): Put define_constraint etc on the
5193 * genpreds.c (process_define_predicate): Adjust comment. Validate
5194 the name, and call validate_exp to validate the expression.
5195 (mark_mode_tests, write_extract_subexp): Can assume correct input.
5196 (write_predicate_expr): Likewise. NAME argument no longer necessary;
5197 all callers changed.
5198 (validate_exp, needs_variable, struct constraint_data)
5199 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
5200 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
5201 (const_dbl_constraints, constraint_max_namelen)
5202 (have_register_constraints, have_memory_constraints)
5203 (have_address_constraints, have_address_constraints)
5204 (have_extra_constraints, have_const_int_constraints)
5205 (have_const_dbl_constraints, mangle, add_constraint)
5206 (process_define_constraint, process_define_register_constraint)
5207 (write_enum_constraint_num, write_lookup_constraint)
5208 (write_insn_constraint_len, write_regclass_for_constraint)
5209 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
5210 (write_insn_extra_memory_constraint)
5211 (write_insn_extra_address_constraint)
5212 (write_satisfies_constraint_fns): New.
5213 (write_tm_preds_h): If we have new-style constraint definitions,
5214 prototype the functions generated from them, and define the
5215 old constraint interface (still used by generic code) in terms of
5217 (write_insn_preds_c): If we have new-style constraint definitions,
5218 generate all relevant functions from those definitions.
5219 (main): Handle define_constraint etc.
5220 * genoutput.c (struct constraint_data, indep_constraints)
5221 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
5222 (mdep_constraint_len): New data structures and functions, defined
5223 #ifdef USE_MD_CONSTRAINTS.
5224 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
5225 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
5226 use new logic to validate operand constraints against constraint
5228 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
5230 * defaults.h: If none of the old-style constraint macros are
5231 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
5232 old-style macros; and poison REG_CLASS_FROM_LETTER,
5233 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
5235 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
5236 * doc/md.texi: Document new constraint-definition mechanism and the
5237 C interface it provides. Remove references to old mechanism
5238 elsewhere in the document.
5239 (Machine Constraints): Use pathnames relative to gcc directory,
5240 i.e. config/ARCH/FILE. Change i386 section to refer to
5241 config/i386/predicates.md; update that section to match docstrings.
5242 * doc/tm.texi: Move all documentation of the old constraint-
5243 definition macros to their own section, clearly mark as obsolete.
5245 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
5246 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
5248 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
5249 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5250 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
5252 (splits and peepholes): Use satisfies_constraint_*.
5253 * config/i386/i386.c (memory_address_length)
5254 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
5256 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5258 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
5259 scalar operation to be put back into the loop.
5261 2006-02-27 Jakub Jelinek <jakub@redhat.com>
5264 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
5265 (extract_cie_info): Handle S flag in augmentation string.
5266 (execute_cfa_program): If context->signal_frame, execute also
5267 fs->pc == context->ra instructions.
5268 (uw_frame_state_for): If context->signal_frame, don't subtract one
5269 from context->ra to find FDE.
5270 (uw_update_context_1): Set context->signal_frame to
5272 (_Unwind_GetIPInfo): New function.
5273 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
5274 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
5276 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
5277 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
5278 * unwind-compat.c (_Unwind_GetIPInfo): New function.
5279 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
5280 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
5281 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
5282 * config/i386/linux-unwind.h (x86_fallback_frame_state,
5283 x86_64_fallback_frame_state): Set fs->signal_frame.
5284 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
5285 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
5286 (frob_update_context): Likewise. Workaround missing S flag in
5287 Linux 2.6.12 - 2.6.16 kernel vDSOs.
5288 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
5289 Remove the psw_addr + 1 hack.
5291 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5293 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
5294 with aggregates here.
5295 (find_func_aliases): Remove code for &<aggregate> from here.
5297 2006-02-26 Roger Sayle <roger@eyesopen.com>
5299 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
5300 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
5301 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
5304 2006-02-26 Roger Sayle <roger@eyesopen.com>
5307 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
5309 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
5311 * opts.c (decode_options): Do not handle flag_strength_reduce.
5312 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
5313 and OPT_fstrength_reduce.
5314 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
5315 flag_prefetch_loop_arrays for being nonzero.
5316 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
5318 (fprefetch-loop-arrays-rtl): Removed.
5319 (flag_prefetch_loop_arrays): Do not specify the value.
5321 * doc/passes.texi: Update documentation of loop optimizer
5323 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
5324 -frerun-loop-opt): Remove.
5326 2006-02-26 Richard Guenther <rguenther@suse.de>
5328 PR tree-optimization/26421
5329 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
5330 in function calls that are ADDR_EXPRs as using the whole structure.
5332 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
5334 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
5335 * tree-pass.h (pass_loop_optimize): Remove.
5336 * passes.c (pass_loop_optimize): Never run it.
5337 * toplev.c (backend_init): Don't call init_loop.
5338 * opts.c (flag_loop_optimize_set): Remove.
5339 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
5340 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
5341 the old RTL loop optimizer when profiling enabled.
5342 * predict.c (tree_estimate_probability): Always strip builtin_expect.
5343 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
5344 pre-headers for the sake of the old RTL loop optimizer.
5345 * Makefile.in: Remove all references to loop.o.
5347 * doc/invoke.texi: Remove all references to -floop-optimize
5348 and -frerun-loop-opt.
5350 2006-02-26 Zack Weinberg <zackw@panix.com>
5352 * doc/md.texi (Machine Constraints): Refer to all files with paths
5353 relative to gcc directory (i.e. config/CPU/file). Add missing
5354 @table @code ... @end table to M32C subsection.
5356 2006-02-26 Roger Sayle <roger@eyesopen.com>
5358 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
5360 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
5362 2006-02-26 Roger Sayle <roger@eyesopen.com>
5363 James A. Morrison <phython@gcc.gnu.org>
5366 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
5367 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
5368 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
5369 signedness of the shift operation.
5371 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
5373 PR tree-optimization/26359
5374 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
5376 2006-02-25 Roger Sayle <roger@eyesopen.com>
5378 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5379 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
5380 as X == 0, and some symmetry related transformations.
5381 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
5383 2006-02-25 Roger Sayle <roger@eyesopen.com>
5386 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
5387 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
5388 symmetry related transformations. Fold (X^C1) == C2 as
5391 2006-02-25 Juergen Weigert <jw@suse.de>
5392 Richard Guenther <rguenther@suse.de>
5394 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
5396 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
5398 * combine.c (gen_lowpart_or_truncate): Call
5399 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
5401 2006-02-24 Diego Novillo <dnovillo@redhat.com>
5403 * doc/invoke.texi: Move -fopenmp description to "Options for
5405 Remove reference to -lgomp.
5407 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5409 * doc/install.texi: Require GNU tar version 1.14.
5411 2006-02-24 Geoffrey Keating <geoffk@apple.com>
5413 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
5414 * doc/invoke.texi (C++ Dialect Options): Document
5415 -fno-use-cxa-get-exception-ptr.
5416 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5417 * configure: Regenerate.
5418 * c.opt (fuse-cxa-get-exception-ptr): New.
5419 * c-opts.c (c_common_handle_option): Handle
5420 OPT_fuse_cxa_get_exception_ptr.
5421 * c-common.c (flag_use_cxa_atexit): Update documentation.
5422 (flag_use_cxa_get_exception_ptr): New.
5423 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5424 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5426 (C_COMMON_OVERRIDE_OPTIONS): New.
5428 2006-02-24 Roger Sayle <roger@eyesopen.com>
5431 * combine.c (try_combine): Explicitly check whether GET_CODE is
5432 a SET or a CLOBBER, instead on checking that it isn't a USE.
5434 2006-02-24 Roger Sayle <roger@eyesopen.com>
5436 * fold-const.c (fold_comparison): New subroutine of fold_binary
5437 containing transformations common to both the equality and
5438 ordering relational operators, factored out of fold_binary.
5439 (fold_binary): Separate out the equality operators (EQ_EXPR
5440 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5441 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5442 transformations common to both.
5443 (fold_div_compare): Fix latent bugs in the previously unreachable
5444 LT_EXPR and GE_EXPR cases.
5446 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5448 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5449 decl libname for clog to __clog on AIX.
5451 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5453 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5456 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5457 output traceback table for thunks. Localise rs6000_stack_info call.
5459 2006-02-23 Roger Sayle <roger@eyesopen.com>
5460 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5462 * gthr-posix.h (__gthrw): Fix typo in comment.
5464 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5466 * doc/cpp.texi (Character sets): Document that we do support
5467 input files to be in any character set.
5469 2006-02-23 Jeff Law <law@redhat.com>
5471 * tree.h (PHI_ARG_NONZERO): Remove.
5472 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5473 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5474 node to the new node.
5476 PR tree-optimization/26425
5477 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5478 min/max, then assume its varying.
5480 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5482 PR rtl-optimization/26316
5483 * rtlanal.c (enum may_trap_p_flags): New.
5484 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5485 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5486 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5487 (may_trap_after_code_motion_p): New function.
5488 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5489 (find_invariant_insn): Use may_trap_after_code_motion_p.
5490 * rtl.h (may_trap_after_code_motion_p): Declare.
5492 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5494 * emit-rtl.c (immed_double_const): Cleanup.
5496 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5498 Fix PR tree-optimization/26376
5499 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5502 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5505 * gimplify.c (omp_add_variable): Guard variable size decl test with
5506 DECL_SIZE (decl) check.
5508 2006-02-23 Richard Guenther <rguenther@suse.de>
5511 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
5512 like aggregate types.
5514 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5516 * configure.ac: Add --with{,out}-long-double-128 configure option.
5517 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
5518 * configure: Rebuilt.
5519 * config.in: Rebuilt.
5520 * doc/install.texi (Options specification): Document
5521 --with-long-double-128.
5523 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5524 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5525 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5526 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5528 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5530 * config/s390/s390.c (override_options): Handle
5531 TARGET_DEFAULT_LONG_DOUBLE_128.
5533 * config/alpha/alpha.c (override_options): Handle
5534 TARGET_DEFAULT_LONG_DOUBLE_128.
5536 * config/sparc/sparc.c (sparc_override_options): Handle
5537 TARGET_DEFAULT_LONG_DOUBLE_128.
5539 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5541 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5542 (real-install-headers-tar, real-install-headers-cpio)
5543 (real-install-headers-cp): New targets.
5545 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5547 * tree.h (variable_section): Delete.
5548 * varasm.c (variable_section): Delete.
5550 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5552 * install.texi: Add notes on install.texi2html.
5553 (Building in parallel): Do not use footnotes.
5555 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5558 * doc/install.texi (Configuration): Document --disable-libgomp.
5560 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5562 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5564 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5566 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5567 (vec_extractv2df_0_sse): New.
5569 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5571 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5572 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5573 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5574 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5575 to the result of the expression.
5576 (def_cfa_1): Adjust.
5577 (frame_pointer_cfa_offset): Rename to...
5578 (frame_pointer_fb_offset): ... this. Adjust all uses.
5579 (convert_cfa_to_loc_list): Rename to...
5580 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5581 Pass it on to build_cfa_loc.
5582 (compute_frame_pointer_to_cfa_displacement): Rename to...
5583 (compute_frame_pointer_to_fb_displacement): ... this. New
5584 offset parameter. Use it in computation.
5585 (gen_subprogram_die): Compute cfa_fb_offset with the new
5586 macro, and use it to compute the fb loc list and the
5589 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5591 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5592 replaced with register_operand.
5593 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5594 non-DREG is expensive.
5595 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5596 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5599 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5601 * doc/install.texi2html: Use set -e.
5603 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5605 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5606 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5607 * doc/invoke.texi (-fshared-data): Delete.
5608 * common.opt (fshared-data): Delete.
5609 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5610 (assemble_static_space): Remove #if 0 code.
5611 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5612 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5613 * config/cris/cris.h: Remove FIXME.
5615 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5617 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5620 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5623 * combine.c (simplify_shift_const_1): Disable nested shifts
5624 optimization for vector shifts.
5626 2006-02-20 Roger Sayle <roger@eyesopen.com>
5628 PR tree-optimization/26361
5629 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5630 of unsigned integer types.
5632 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5634 * tree-chrec.c (eq_evolutions_p): New.
5635 * tree-chrec.h (eq_evolutions_p): Declared.
5636 * tree-data-ref.c: Fix formatting.
5637 (datadep_stats, dependence_stats): New.
5639 (print_direction_vector): New.
5640 (dump_data_dependence_relation): Use print_direction_vector.
5641 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5642 (compute_subscript_distance): Static.
5643 (initialize_data_dependence_relation): Static. Get the number
5644 of loops surrounding the references from the callers, and initialize
5645 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5646 base_object_differ_p analyzers.
5647 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5648 compute_overlap_steps_for_affine_1_2,
5649 analyze_subscript_affine_affine): Count the classified dependences.
5650 Print a message when a test failed.
5651 (can_use_analyze_subscript_affine_affine): New.
5652 (analyze_siv_subscript): Compute the data dependences on symbolic
5653 scevs that verify can_use_analyze_subscript_affine_affine.
5654 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5655 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5656 Handle symbolic scevs.
5657 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5659 (subscript_dependence_tester): Moved...
5660 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5661 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5662 DDR_SIZE_VECT instead of getting it in parameter.
5663 (subscript_dependence_tester): ... here. Take as a parameter
5664 loop_nest_depth. Call build_classic_dist_vector and
5665 build_classic_dir_vector.
5666 (compute_affine_dependence): Update subscript_dependence_tester
5667 parameters. Update datadep_stats counters. Call
5668 compute_subscript_distance.
5669 (compute_self_dependence): Save the dist and dir vectors. Call
5670 compute_subscript_distance.
5671 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5672 (compute_all_dependences): Reorder parameters as they were before
5673 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5674 compute_subscript_distance. Update the use of
5675 compute_affine_dependence and initialize_data_dependence_relation.
5676 (find_data_references_in_loop): Handle COMPONENT_REF.
5677 (compute_data_dependences_for_loop): Initialize dependence_stats.
5678 Don't call build_classic_dist_vector and build_classic_dir_vector.
5679 Update the parameters of initialize_data_dependence_relation and
5680 compute_all_dependences. Print the statistics from datadep_stats.
5681 (analyze_all_data_dependences): Static. Not used until the pass for
5682 checking the data dependences is contributed.
5683 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5684 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5685 (initialize_data_dependence_relation, compute_affine_dependence,
5686 analyze_all_data_dependences, compute_subscript_distance): Removed.
5687 (print_direction_vector): New.
5688 * lambda.h (gcd): ... here.
5689 (lambda_vector_gcd): Moved here from gcd_vector.
5690 * lambda-code.c (gcd, gcd_vector): Removed.
5691 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5692 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5694 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5696 * ipa-type-escape.c: Tidy some comments and white space.
5697 * tree-ssa-operands.c: Likewise.
5699 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5702 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5703 (dump_decl_name): Do not walk the decl tree chains.
5704 * tree-pass.h (TDF_CHAIN): Remove.
5706 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5708 * Makefile.in (C): Remove
5710 (.PHONY): Remove C and PROTO
5712 2006-02-20 Roger Sayle <roger@eyesopen.com>
5715 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5716 deprecated CHAR_TYPE tree code.
5718 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5720 * configure.ac (target_list): Add install-info, dvi, html.
5721 * configure: Regenerate.
5723 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5724 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5725 treelang/Make-lang.in: Do not use double-colon rules.
5727 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5729 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5730 (TMT_USED_ALONE): New macro.
5731 * tree-pass.h (PROP_tmt_usage): New property.
5732 (TODO_update_tmt_usage): New todo.
5733 * tree-ssa-alias.c (updating_used_alone): New variable.
5734 (recalculate_used_alone): New function.
5735 (compute_may_aliases): Set updating_used_alone, call
5736 recalculate_used_alone.
5737 * tree-sra.c (pass_sra): Note that this pass destroys
5738 PROP_tmt_usage, and add TODO_update_tmt_usage.
5739 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5740 * tree-flow.h (updating_used_alone): Prototype.
5741 (recalculate_used_alone): Ditto.
5742 * passes.c (execute_todo): Add code to set updating_used_alone,
5743 and call recalculate.
5744 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5745 for clobber if used alone, and add assert to verify used_alone
5748 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5750 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5751 for non tls symbols added.
5752 (legitimize_address): Do nothing for PLUS expressions if one of the
5753 addends is a tls symbol reference.
5755 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5759 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5761 * Makefile.in (BOOTSTRAPPING): New.
5762 (quickstrap): New definition if BOOTSTRAPPING=yes.
5764 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5765 * configure.ac: Substitute all_selected_languages with the languages
5766 that were configured. For all the other variables except
5767 lang_specs_files, include all the languages in the tree.
5768 * configure: Regenerate.
5770 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5771 if there is one. Run the commands to run fixincludes in the same
5774 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5775 * doc/install.texi: Document exact conventions for searching target tools.
5776 Document --with-build-time-tools. Document toplevel bootstrap. Document
5777 something more about building an Ada cross-compiler. Don't list GNU Make
5778 requirements which affect all platforms.
5780 2006-02-19 Roger Sayle <roger@eyesopen.com>
5783 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5784 only equivalent if the have both the same mode and precision.
5786 2006-02-20 Ben Elliston <bje@au.ibm.com>
5788 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5790 2006-02-19 Roger Sayle <roger@eyesopen.com>
5791 Steven Bosscher <stevenb.gcc@gmail.com>
5793 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5794 constant pool references to identify stack mode constants.
5795 * rtlanal.c (constant_pool_constant_p): New predicate to check
5796 whether operand is a floating point constant in the pool.
5797 * rtl.h (constant_pool_constant_p): Prototype here.
5798 * loop.c (scan_loop): Avoid hoisting constants from the constant
5799 pool on STACK_REGS targets.
5800 (load_mems): Likewise.
5801 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5802 loads into x87 registers expensive in terms of register pressure.
5804 2006-02-19 Roger Sayle <roger@eyesopen.com>
5806 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5807 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5809 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5811 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5812 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5814 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5816 * doc/invoke.texi: Document -fipa-pta.
5817 * common.opt: Add ipa-pta option.
5818 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5819 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5820 (do_ds_constraint): Ditto.
5821 (get_constraint_for): Only add to referenced_vars if
5822 referenced_vars exists.
5823 (insert_into_field_list): Rewrite to do this unsorted.
5824 (insert_into_field_list_sorted): Rename old insert_into_field_list
5826 (create_function_info_for): Use insert_into_field_list_sorted.
5827 (create_variable_info_for): Rewrite so it uses unsorted version,
5828 since the field list is sorted.
5829 (intra_create_variable_infos): Only add to referenced_vars if
5830 referenced_vars exists.
5831 (ipa_pta_execute): Init heapvars, and delete when done.
5832 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5834 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5836 * doc/install.texi: Add missing `@samp'.
5838 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5840 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5843 2006-02-18 Mark Wielaard <mark@klomp.org>
5845 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5846 who added new 4.1 features, bug fixes and integration support.
5848 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5851 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5854 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5856 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5857 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5858 (copy_insn_1): Likewise. Don't copy each field individually.
5860 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5862 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5863 * rtl.c (rtx_size): Rename variable to...
5864 (rtx_code_size): ...this.
5865 (rtx_size): New function.
5866 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5867 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5869 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5870 * rtl.h (rtx_code_size): New variable.
5871 (rtx_size): Change from a variable to a function.
5872 (RTX_SIZE): Rename to...
5873 (RTX_CODE_SIZE): ...this.
5876 PR tree-optimization/17106
5877 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5878 (Anchored Addresses): New section.
5879 * doc/invoke.texi (-fsection-anchors): Document.
5880 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5881 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5882 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5883 * hooks.c (hook_bool_mode_rtx_false): New function.
5884 * hooks.h (hook_bool_mode_rtx_false): Declare.
5885 * gengtype.c (create_optional_field): New function.
5886 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5887 SYMBOL_REF_IN_BLOCK_P is true.
5888 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5889 (min_anchor_offset, max_anchor_offset): Likewise.
5890 (use_anchors_for_symbol_p): New hook.
5891 * toplev.c (compile_file): Call output_object_blocks.
5892 (target_supports_section_anchors_p): New function.
5893 (process_options): Check that -fsection-anchors is only used on
5894 targets that support it and when -funit-at-a-time is in effect.
5895 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5896 if the decl doesn't have one.
5897 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5898 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5899 of force_const_mem through use_anchored_address.
5900 (expand_expr_constant): New function.
5901 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5902 calling expand_expr for INDIRECT_REF.
5903 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5904 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5905 * expr.h (use_anchored_address): Declare.
5906 * loop-unroll.c: Don't declare rtx vectors here.
5907 * explow.c: Include output.h.
5908 (validize_mem): Call use_anchored_address.
5909 (use_anchored_address): New function.
5910 * common.opt (-fsection-anchors): New switch.
5911 * varasm.c (object_block_htab, anchor_labelno): New variables.
5912 (hash_section, object_block_entry_eq, object_block_entry_hash)
5913 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5914 (use_blocks_for_decl_p, change_symbol_section): New functions.
5915 (get_variable_section): New function, split out from assemble_variable.
5916 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5917 use_blocks_for_decl_p say so. Use change_symbol_section if the
5918 symbol has already been created.
5919 (assemble_variable_contents): New function, split out from...
5920 (assemble_variable): ...here. Don't output any code for
5921 block symbols; just pass them to place_block_symbol.
5922 Use get_variable_section and assemble_variable_contents.
5923 (get_constant_alignment, get_constant_section, get_constant_size): New
5924 functions, split from output_constant_def_contents.
5925 (build_constant_desc): Create a block symbol if use_object_blocks_p
5926 says so. Or into SYMBOL_REF_FLAGS.
5927 (assemble_constant_contents): New function, split from...
5928 (output_constant_def_contents): ...here. Don't output any code
5929 for block symbols; just pass them to place_section_symbol.
5930 Use get_constant_section and get_constant_alignment.
5931 (force_const_mem): Create a block symbol if use_object_blocks_p and
5932 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5933 (output_constant_pool_1): Add an explicit alignment argument.
5934 Don't switch sections here.
5935 (output_constant_pool): Adjust call to output_constant_pool_1.
5936 Switch sections here instead. Don't output anything for block symbols;
5937 just pass them to place_block_symbol.
5938 (init_varasm_once): Initialize object_block_htab.
5939 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5940 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5941 (place_block_symbol, get_section_anchor, output_object_block)
5942 (output_object_block_htab, output_object_blocks): New functions.
5943 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5944 (TARGET_ASM_OUT): Include it.
5945 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5946 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5947 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5948 (TARGET_INITIALIZER): Include them.
5949 * rtl.c (rtl_check_failed_block_symbol): New function.
5950 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5951 (block_symbol, object_block): New structures.
5952 (rtx_def): Add a block_symbol field to the union.
5953 (BLOCK_SYMBOL_CHECK): New macro.
5954 (rtl_check_failed_block_symbol): Declare.
5955 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5956 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5957 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5958 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5959 * output.h (output_section_symbols): Declare.
5960 (object_block): Name structure.
5961 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5962 (default_use_anchors_for_symbol_p): Declare.
5963 * Makefile.in (RTL_BASE_H): Add vec.h.
5964 (explow.o): Depend on output.h.
5965 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5966 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5967 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5968 (rs6000_use_blocks_for_constant_p): New function.
5970 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5972 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5974 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5977 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5980 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5982 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5986 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5989 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5990 instead of DECL_REGISTER.
5992 2006-02-18 Olivier Hainque <hainque@adacore.com>
5995 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5997 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
6000 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
6001 * opth-gen.awk: Handle Var and InverseMask together.
6002 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
6003 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
6004 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
6005 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
6007 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6008 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6009 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
6010 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6011 LINUX_DYNAMIC_LINKER): Define.
6012 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
6013 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
6015 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6016 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
6017 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6018 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6019 (TARGET_C99_FUNCTIONS): Don't define.
6020 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
6021 GLIBC_DYNAMIC_LINKER.
6022 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
6023 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
6024 GLIBC_DYNAMIC_LINKER64): Define.
6025 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6026 LINUX_DYNAMIC_LINKER64.
6027 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6028 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6029 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
6030 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6031 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6032 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6033 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
6034 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
6035 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
6036 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
6037 and LINUX_DYNAMIC_LINKER32.
6038 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6039 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6040 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
6041 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6042 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
6044 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
6045 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
6046 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6047 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6048 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6049 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
6050 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
6051 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
6052 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6053 LINUX_DYNAMIC_LINKER): Define.
6054 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
6055 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
6056 GLIBC_DYNAMIC_LINKER64): Define.
6057 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6058 LINUX_DYNAMIC_LINKER64.
6059 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6060 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6061 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
6062 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6063 LINUX_DYNAMIC_LINKER): Define.
6064 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6065 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6066 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
6067 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
6068 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6069 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6070 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6071 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6072 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6073 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6074 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6075 * doc/invoke.texi (-muclibc): Remove caveat about supported
6078 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6080 * doc/cpp.texi (__TIMESTAMP__): Document.
6082 2006-02-17 Roger Sayle <roger@eyesopen.com>
6085 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
6086 C is one less than the width of X (and related transformations).
6087 * simplify-rtx.c (simplify_unary_operation_1): Transform
6088 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
6089 depending on STORE_FLAG_VALUE, were C is one less then the
6092 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
6094 Fix PR tree-optimization/26341
6095 * tree-ssa-operands.c (add_virtual_operand): Remove assert
6096 about NAME_MEMORY_TAG's.
6098 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6101 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
6102 with hardware float support, and software float support. Add fcpy
6103 alternative to hardware patterns. Add alternatives to copy between
6104 general and floating-point registers to the 32-bit pattern.
6105 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
6106 secondary reload to load a QI or HI mode constant into a floating
6108 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
6109 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
6111 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
6114 * config/rs6000/darwin.md (load_macho_picbase_si): Add
6116 (load_macho_picbase_di): Likewise.
6118 2006-02-16 Jeff Law <law@redhat.com>
6120 * tree-vrp.c (set_value_range_to_nonnegative): New function.
6121 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
6122 (ssa_name_nonzero_p): Likewise.
6123 (get_value_range): Return NULL if VRP is not running.
6124 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
6125 VRP routines do not discover a range.
6126 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
6127 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
6128 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
6129 (tree_expr_nonnegative_p): Similarly.
6130 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
6131 (restore_nonzero_vars_to_original_value): Remove.
6132 (unsafe_associative_fp_binop): Remove.
6133 (tree_ssa_dominator_optimize): Remove initialization and
6134 finalization of nonzero_vars and nonzero_vars_stack.
6135 (dom_opt_initialize_block): No longer push marker on
6137 (dom_opt_finalize_block): No longer call
6138 restore_nonzero_vars_to_original_value.
6139 (record_equivalences_from_phis): No longer look for
6140 nonzero PHI arguments.
6141 (cprop_into_successor_phis): No longer propagate nonzero
6142 property into PHI arguments. Lose unused argument. Caller
6144 (record_equivalences_from_stmt): No longer record nonzero
6145 values for SSA_NAMEs.
6146 (lookup_avail_expr): No longer use nonzero_vars.
6148 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
6149 for sizetype when sizetype is unsigned.
6151 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
6153 PR rtl-optimization/25603
6154 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
6155 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
6156 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
6157 with new meaning of SETS.
6159 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
6164 * config/linux.opt: New file.
6165 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
6166 LINUX_DYNAMIC_LINKER): Define.
6167 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
6168 * config.gcc (*-*-linux*): Define extra_options.
6169 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
6170 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
6171 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
6172 GLIBC_DYNAMIC_LINKER.
6173 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
6174 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6175 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6176 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6177 * doc/invoke.texi (GNU/Linux Options): New section.
6179 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6181 * config/sparc/sparc.md (setjmp): Rewrite.
6182 (setjmp_32): Delete.
6183 (setjmp_64): Likewise.
6185 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
6187 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
6190 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6192 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
6195 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6197 PR rtl-optimization/26296
6198 * Makefile.in (loop-invariant.c): Add except.h dependency.
6199 * loop-invariant.c: Include except.h.
6200 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
6202 2005-02-16 Paul Brook <paul@codesourcery.com>
6204 * reload1.c (emit_reload_insns): Invalidate dead input registers used
6207 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
6209 PR rtl-optimization/25636
6210 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
6211 when deciding whether an insn is an initializing insn.
6213 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
6215 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
6216 (tree_code_size): Ditto.
6217 * tree.h (struct tree_memory_tag): Remove parent_var.
6218 (struct tree_struct_field_tag): New.
6221 (union tree_node): Add sft member.
6222 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
6224 (create_sft): Add size and offset argument, set SFT_OFFSET and
6226 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
6227 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
6228 * tree-flow-inline.h (get_subvar_at): Update for
6229 SFT_OFFSET/SFT_SIZE.
6230 (var_can_have_subvars): Ditto.
6231 (overlap_subvar): Ditto.
6232 * print-tree.c (print_node): Print out interesting things for
6234 * tree-flow.h (struct subvar): Remove offset and size members.
6235 * tree-ssa-operands.c (get_expr_operands): Update for
6236 get_indirect_ref_operands changes.
6237 (get_indirect_ref_operands): Call add_virtual_operand instead of
6238 add_stmt_operand. Only recurse on base var if requested.
6239 (access_can_touch_variable): New function.
6240 (add_stmt_operand): Split virtual operand handling into ...
6241 (add_virtual_operand): Here. Add offset, size, and for_clobber
6242 arguments. Prune alias sets.
6243 (add_call_clobber_ops): Call add_virtual_operand.
6245 2006-02-15 Jakub Jelinek <jakub@redhat.com>
6248 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
6250 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
6251 than TREE_CODE as index into omp_clause_num_ops array.
6253 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
6255 PR rtl-optimization/26184
6256 * modulo-sched.c (generate_reg_moves): Free bitmap vector
6258 * modulo-sched.c (sms_schedule): Free g_arr pointer.
6259 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
6260 must_precede, must_follow and tobe_scheduled.
6263 * opts.c (common_handle_option): Free new_option pointer.
6264 * df-core.c (df_analyze): Free postorder pointer.
6266 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6268 * Makefile.in: Fix the examples about the use of stamps
6270 2006-02-15 Michael Matz <matz@suse.de>
6274 * stor-layout.c (layout_decl): Zero-width bitfields aren't
6275 influenced by maximum_field_alignment or DECL_PACKED.
6276 (update_alignment_for_field): Ditto.
6277 (place_field): Ditto.
6278 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
6281 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
6283 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
6284 (debug_flow_info): Pass it.
6285 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
6286 * bb-reorder.c (reorder_basic_blocks): Likewise.
6287 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
6288 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
6289 * flow.c (life_analysis, recompute_reg_usage): Likewise.
6290 * gcse.c (gcse_main, bypass_jumps): Likewise.
6291 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
6292 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
6293 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
6294 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
6295 * rtl.h (dump_flow_info): Adjust prototype.
6296 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
6297 * var-tracking.c (variable_tracking_main): Likewise.
6298 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
6299 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
6302 2006-02-15 Marcin Dalecki <martin@dalecki.de>
6304 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
6307 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6309 PR tree-optimization/26209
6310 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
6311 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
6313 * tree-cfg.c (replace_uses_by): Do not alter cfg.
6315 2006-02-14 Roger Sayle <roger@eyesopen.com>
6318 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
6319 (X,Y) and the corresponding symmetry related transformations.
6320 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
6321 (X,Y) and its symmetry related transformations.
6323 2006-02-14 Roger Sayle <roger@eyesopen.com>
6325 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
6328 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
6330 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
6332 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6335 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
6336 support COMDAT group.
6337 * configure: Regenerate.
6339 2006-02-14 Roger Sayle <roger@eyesopen.com>
6344 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
6346 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
6348 Fix PR tree-optimization/26260
6350 * doc/invoke.texi (max-fields-for-field-sensitive): Document
6352 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
6353 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
6354 * tree-ssa-structalias.c (create_variable_info_for): Use
6355 MAX_FIELDS_FOR_FIELD_SENSITIVE.
6357 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6359 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
6361 * tree-ssa-loop-niter.c (number_of_iterations_ne,
6362 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
6363 of the ending condition.
6364 * tree-ssa-loop-manip.c: Include params.h.
6365 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
6366 tree_unroll_loop): New functions.
6367 * tree-pass.h (pass_loop_prefetch): Declare.
6368 * loop.c (rest_of_handle_loop_optimize): Test for
6369 -fprefetch-loop-arrays-rtl.
6370 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
6371 * timevar.def (TV_TREE_PREFETCH): New timevar.
6372 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
6373 pass_loop_prefetch): New.
6374 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
6375 (cleanup_tree_cfg_loop): Call scev_reset.
6376 * common.opt (fprefetch-loop-arrays-rtl): Add.
6377 * tree-ssa-loop-prefetch.c: New file.
6378 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
6379 (new_temp_expr_table): Initialize expr_vars.
6380 (free_temp_expr_table): Cleanup expr_vars.
6381 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
6382 expressions from being merged into one.
6383 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
6384 (struct tree_niter_desc): Add control, bound and cmp fields.
6385 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
6387 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
6388 (tree-cfgcleanup.o): Add SCEV_H dependency.
6389 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
6390 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
6392 2006-02-14 Richard Guenther <rguenther@suse.de>
6394 PR tree-optimization/26258
6395 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
6396 in PHI argument processing.
6398 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
6400 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
6401 new expression in the requested machine mode.
6403 2006-02-13 Roger Sayle <roger@eyesopen.com>
6405 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
6406 directly, instead let do_compare_rtx_and_jump handle this for us.
6407 * expr.c (expand_expr_real_1): Likewise.
6408 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
6409 before do_jump_by_parts_greater.
6410 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
6411 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
6413 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6415 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6417 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6419 PR rtl-optimization/26235
6420 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6421 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6424 2006-02-13 Jeff Law <law@redhat.com>
6426 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6429 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6432 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6433 twice if decl is a builtin. When trying again, call get_callee_fndecl
6434 first to verify it is still a builtin.
6436 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6438 * dwarf2out.c (base_type_die): Don't add AT_name here.
6439 (subrange_type_die): Don't add AT_name here.
6440 (modified_type_die): Rearrange code flow. Do add AT_name here.
6442 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6444 PR rtl-optimization/26247
6445 PR rtl-optimization/26248
6446 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6448 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6450 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6451 * config/fixtfdi.c: Likewise.
6452 * config/fixunstfdi.c: Likewise.
6453 * config/floatditf.c: Likewise.
6455 2006-02-13 Roger Sayle <roger@eyesopen.com>
6458 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6459 into (X,C2) if C1 is a subset of the bits of C2. Transform
6460 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6462 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6464 2006-02-13 Josh Conner <jconner@apple.com>
6467 * varasm.c (function_section): Check for section name before
6468 calling select_section on targets that define
6469 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6470 unlikely_text_section instead of hot_function_section if
6471 first_function_block_is_cold.
6473 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6476 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6478 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6480 PR rtl-optimization/26222
6481 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6482 after tree->rtl expansion.
6483 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6484 before passing it to emit_move_insn.
6486 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6488 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6490 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6491 Clarify documentation.
6492 * c-common.h (warn_write_strings): Remove.
6493 * c-common.c (warn_write_strings): Likewise.
6494 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6497 2006-02-12 Roger Sayle <roger@eyesopen.com>
6500 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6501 (do_jump_parts_zero_rtx): New function renamed from
6502 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6503 (do_jump_parts_equality_rtx): New function split out from
6504 do_jump_parts_equality. Old implementation renamed as above.
6505 Call do_jump_parts_zero_rtx if either operand is zero.
6506 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
6507 do all of the heavy lifting.
6508 (do_compare_rtx_and_jump): Handle multi-word comparisons by
6509 calling either do_jump_by_parts_greater_rtx or
6510 do_jump_by_parts_equality_rtx.
6511 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
6512 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
6513 moved to do_compare_rtx_and_jump, call it directly.
6514 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
6515 mode argument. Call do_compare_rtx_and_jump.
6516 (emit_case_nodes): Update calls to do_jump_if_equal.
6518 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6520 PR rtl-optimization/26225
6521 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6523 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6525 PR rtl-optimization/26232
6526 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6528 2006-02-11 Jason Merrill <jason@redhat.com>
6531 * tree-inline.c (declare_return_variable): Just don't use the
6532 modify target if it's a gimple complex reg and the return slot
6535 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6537 * doc/contrib.texi: Update my entry.
6539 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6541 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6543 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6545 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6548 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6550 * doc/invoke.texi (-floop-optimize2): Removed.
6551 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6552 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6553 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6554 * common.opt (floop-optimize2): Removed.
6555 (fmove-loop-invariants): Enabled by default.
6557 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6559 * tree-if-conv.c (combine_blocks): Free the result of
6560 get_loop_exit_edges.
6562 2006-02-10 Jeff Law <law@redhat.com>
6564 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6566 PR tree-optimization/26213
6567 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6568 loop trying to follow SSA_NAME_VALUE chains.
6570 2006-02-10 Richard Guenther <rguenther@suse.de>
6572 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6573 deal with structures that end in implicitly variable sized arrays.
6575 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6577 PR rtl-optimization/24762
6578 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6581 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6583 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6584 (struct ivopts_data): Add regs_used field.
6585 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6586 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6587 instead of loop_data->regs_used;
6588 (free_loop_data): Do not free aux fields for loops.
6589 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6590 and tree_ssa_iv_optimize_finalize.
6592 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6594 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6596 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6599 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6600 computing the effective result type.
6602 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6605 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6606 (tree_overlaps_hard_reg_set): Declare.
6607 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6608 type and signature to match function type expected by walk_tree.
6609 (tree_overlaps_hard_reg_set): New function.
6610 (decl_conflicts_with_clobbers_p): Rename to:
6611 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6612 Use tree_overlaps_hard_reg_set. Changed caller.
6613 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6614 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6615 * cris.c (cris_md_asm_clobbers): Likewise.
6617 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6619 * reload1.c (emit_input_reload_insns): Delete code that tries to
6620 inherit using find_equiv_reg.
6622 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6624 * c-common.h (flag_const_strings): Don't declare.
6625 * c-common.c (flag_const_strings): Remove.
6626 * c.opt (fconst_strings): Remove.
6627 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6628 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6629 (c_common_init_options): Don't set flag_const_strings.
6630 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6632 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6634 * arm.md (tlobits_cbranch): New pattern.
6635 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6636 testing a single bit.
6638 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6641 * tree-ssa-pre.c (create_component_ref_by_pieces):
6642 Handle RETURN_DECL like VAR_DECL.
6644 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6647 * fold-const.c (fold_indirect_ref_1): Fold
6648 "*(foo *)&complexfoo" to "__real__ complexfoo"
6649 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6651 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6653 * tree-flow-inline.h (var_can_have_subvars):
6654 Volatile variables should not have subvariables.
6656 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6659 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6660 multiplying unsigned values.
6663 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6665 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6667 2006-02-08 Jason Merrill <jason@redhat.com>
6670 * tree.def: Elaborate on difference from MODIFY_EXPR.
6671 * doc/c-tree.texi (INIT_EXPR): Likewise.
6672 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6673 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6674 (gimplify_target_expr): Likewise.
6675 (gimplify_cond_expr): Remove target handling.
6676 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6677 (gimplify_expr): Clobber it here.
6678 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6679 Do return slot optimization if we have an INIT_EXPR.
6682 * tree-inline.c (declare_return_variable): Also clear
6683 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6686 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6689 * gimplify.c (gimplify_one_sizepos): Fix typo.
6691 2006-02-08 Jeff Law <law@redhat.com>
6693 PR tree-optimization/21417
6694 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6695 across a backedge if the control statement at the end of the
6696 block is data dependent on other statements in the same block.
6697 (record_temporary_equivalences_from_stmts): Remove over-conservative
6698 test for threading across backedges.
6700 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6701 control statement, handle all three special cases in the same
6702 manner as they all have the same desired solution. No longer
6703 special case edge flag updating when the post dominator is
6706 2006-02-08 Roger Sayle <roger@eyesopen.com>
6708 * tree.def (CHAR_TYPE): Remove.
6709 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6710 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6711 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6712 (gen_string_type_die): Delete unreachable function.
6714 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6715 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6716 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6717 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6718 * builtins.c (type_to_class): Likewise.
6719 * fold-const.c (fold_convert, build_range_check,
6720 merge_ranges): Likewise.
6721 * expr.c (count_type_elements): Likewise.
6722 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6723 * stor-layout.c (layout_type): Likewise.
6724 * ipa-type-escape.c (type_to_consider): Likewise.
6725 * gimplify.c (omp_firstprivatize_type_sizes,
6726 gimplify_type_sizes): Likewise.
6727 * explow.c (promote_mode): Likewise.
6728 * tree-sra.c (is_sra_scalar_type): Likewise.
6729 * varasm.c (output_constant): Likewise.
6730 * tree-inline.c (remap_type_1): Likewise.
6731 * convert.c (convert_to_pointer, convert_to_real,
6732 convert_to_integer, convert_to_complex): Likewise.
6734 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6736 * df-scan.c (df_def_record_1): A set destination may
6737 be a parallel regardless of mode.
6739 2006-02-08 Roger Sayle <roger@eyesopen.com>
6742 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6743 * config/mips/_tilib.c: Remove.
6744 * config/fixtfdi.c: New libgcc source file.
6745 * config/fixunstfdi.c: New source file.
6746 * config/floatditf.c: New source file.
6747 * config/floatunditf.c: New souce file.
6748 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6749 files above instead of config/mips/_tilib.c.
6750 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6752 2006-02-08 Jeff Law <law@redhat.com>
6754 PR tree-optimization/26169
6755 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6758 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6760 * df.h (DF_REG_SIZE): Return the length of the initialized
6763 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6765 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6766 __muldf3): Return a correctly signed zero.
6768 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6770 * passes.c (register_one_dump_file): Accept the current properties
6771 instead of pass number. Adjust call to dump_register. Remove
6773 (register_dump_files): Now a wrapper around...
6774 (register_dump_files_1): ... this one. Do not modify the pass
6776 (next_pass_1): Cosmetic fix.
6777 (execute_todo): Keep second parameter only. Use curr_properties
6778 instead of fetching it from the pass structure. Check and set
6780 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6781 instead of fetching it from the pass structure. Fix calls to
6782 execute_todo. Update curr_properties and initialize .vcg RTL dump
6783 after running the pass. Reset last_verified.
6784 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6786 (FIRST_AUTO_NUMBERED_DUMP): New.
6787 (dump_register): Remove "num" parameter, assign it within the
6789 (get_dump_file_name): Modify template for dumps.
6790 * tree-dump.h (dump_register): Adjust prototype.
6791 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6792 (PROP_trees): Add PROP_gimple_lomp.
6793 (TODO_set_props): New.
6794 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6795 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6796 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6798 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6800 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6801 (sparc64-*-linux*): Likewise.
6802 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6803 * config/sparc/t-linux: New file.
6804 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6805 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6806 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6807 -m32 -mlong-double-128.
6809 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6810 * config/alpha/t-linux: New file.
6811 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6813 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6814 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6815 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6816 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6817 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6818 (CPP_ARCH32_SPEC): Remove.
6820 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6822 PR tree-optimization/26145
6823 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6826 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6829 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6830 >= 240000 when generating code for SOM runtime.
6831 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6832 to $$dyncall when generating code for SOM runtime..
6834 2006-02-07 Dirk Mueller <dmueller@suse.com>
6837 * doc/invoke.texi (-Wsequence-point): Update documentation
6838 that -Wsequence-point is implemented for C++ as well.
6840 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6842 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6843 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6844 (LIB_SPEC): Likewise.
6845 * doc/invoke.texi (SPARC options): Document -pthread.
6847 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6849 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6852 2006-02-07 Roger Sayle <roger@eyesopen.com>
6854 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6855 Correct comment describing BOOLEAN_TYPE.
6857 2006-02-07 Dirk Mueller <dmueller@suse.com>
6859 * c.opt: C++ frontend supports -Wdiv-by-zero.
6860 * c-opts.c (c_common_handle_option): Remove dead case.
6862 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6864 * configure.ac (TLS assembler check): Do not enable TLS by
6865 default on SPARC/Solaris before version 10.
6866 * configure: Regenerate.
6868 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6870 * doc/invoke.texi (xl-compat): Document conversion and support
6873 2006-02-07 Jeff Law <law@redhat.com>
6875 * tree-vrp.c (find_conditional_asserts): Update comments.
6876 (simplify_stmt_for_jump_threading): New.
6877 (identify_jump_threads, finalize_jump_threads): New.
6878 (vrp_finalize): Call identify_jump_threads.
6879 (execute_vrp): Call finalize_jump_threads.
6880 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6881 (vrp_element, vrp_data, vrp_element_p): Remove.
6882 (vrp_hash_elt, vrp_variables_stack): Remove.
6883 (vrp_hash, vrp_eq, record_range): Remove.
6884 (simplify_cond_and_lookup_avail_expr): Remove.
6885 (extract_range_from_cond): Remove.
6886 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6887 (simplify_stmt_for_jump_threading): New.
6888 (dom_thread_across_edge): New wrapper.
6889 (tree_ssa_dominator_optimize): No longer initialize or
6890 finalize any of the VRP datastructures. Remove iteration
6891 step and simplify as a result of removal of iteration step.
6892 (pass_dominator): Perform a cfg cleanup after DOM.
6893 (dom_opt_finalize_block): Use the new common routines
6894 for threading jumps. Simplify stack management slightly.
6895 No longer need to unwind VRP state.
6896 (record_equivalences_from_incoming_edge): No longer record
6898 (eliminate_redundant_computations): No longer call
6899 simplify_cond_and_lookup_avail_expr.
6900 * tree-flow.h (potentially_threadable_block): Prototype.
6901 (thread_across_edge): Likewise.
6902 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6903 (tree-ssa-threadedge.o): Add dependencies.
6904 * tree-ssa-threadedge.c: New file.
6905 * passes.c (init_optimization_passes): Merge PHIs before
6906 calling VRP. Run VRP again late in the SSA optimization pipeline.
6908 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6910 * df-core.c (df_set_blocks): Do not dereference function pointers.
6911 (df_finish1): Likewise.
6912 (df_hybrid_search_forward): Likewise.
6913 (df_hybrid_search_backward): Likewise.
6914 (df_iterative_dataflow): Likewise.
6915 (df_analyze_problem): Likewise.
6916 (df_compact_blocks): Likewise.
6917 (df_dump): Likewise.
6918 * df-scan.c (df_rescan_blocks): Likewise.
6919 (df_record_entry_block_defs): Likewise.
6921 * genconditions.c (write_conditions): Guard the definition of
6922 'insn_conditions' with the check on GCC version.
6923 (write_writer): Guard the traversal 'insn_conditions' with
6924 the check on GCC version.
6926 2006-02-07 Richard Guenther <rguenther@suse.de>
6930 2006-01-30 Richard Guenther <rguenther@suse.de>
6932 * gimplify.c (gimplify_target_expr): Handle easy cases
6933 without creating a temporary.
6935 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6937 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6938 use of float in probability computations. Use edge probabilities
6939 in place of statically computed probabilities.
6940 (min_spec_prob): New static variable.
6941 (schedule_insns): Initialize it.
6942 (GET_SRC_PROB): Removed.
6943 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6945 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6948 * config/ia64/unwind-ia64.c: Revert last change.
6949 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6950 (INCOMING_FRAME_SP_OFFSET): Define.
6952 2006-02-06 Roger Sayle <roger@eyesopen.com>
6954 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6956 2006-02-07 Ben Elliston <bje@au.ibm.com>
6958 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6959 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6960 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6961 (ix86_return_in_memory): Handle TDmode.
6962 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6963 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6965 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6967 * reorg.c (dbr_schedule): Use dump_file instead of file.
6969 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6972 * config/ia64/predicates.md (extr_len_operand): New predicate.
6973 * config/ia64/ia64.md (extv): Tighten constraints.
6975 (*tbit_and_2): Ditto.
6976 (*tbit_and_3): Ditto.
6977 (*tbit_or_2): Ditto.
6978 (*tbit_or_3): Ditto.
6982 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6985 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6987 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6989 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6990 loop_optimizer_init and loop_optimizer_finalize
6991 * tree-ssa-sink.c (execute_sink_code): Ditto.
6992 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6993 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6994 tree_ssa_loop_done): Ditto.
6995 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6996 * sched-ebb.c: Include output.h.
6997 (schedule_ebbs): Do not use dump argument.
6998 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6999 * loop.c (loop_dump_stream): Removed.
7000 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
7002 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
7003 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
7004 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
7005 loop_iterations, strength_reduce, record_biv, record_giv,
7006 final_giv_value, check_final_value, check_ext_dependent_givs,
7007 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
7008 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
7009 dump_file instead of loop_dump_stream.
7010 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
7012 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
7014 * flow.c (life_analysis, rest_of_handle_life): Ditto.
7015 * haifa-sched.c: Include output.h
7016 (schedule_insns, sched_init): Do not use dump argument.
7017 * mode-switching.c (optimize_mode_switching): Ditto.
7018 * modulo-sched.c (stats_file): Removed.
7019 (print_node_sched_params): Do not call argument dump_file.
7020 (sms_schedule_by_order, loop_canon_p, sms_schedule,
7021 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
7023 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
7025 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
7026 rtl_loop_init, rtl_loop_done): Ditto.
7027 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
7028 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
7030 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
7031 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
7032 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
7033 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
7034 * emit-rtl.c (renumber_insns): Ditto.
7035 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
7036 expand_gimple_basic_block, tree_expand_cfg): Ditto.
7037 * regclass.c (regclass): Ditto.
7038 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
7039 remove_ssa_form, rewrite_out_of_ssa): Ditto.
7040 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
7041 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
7043 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
7044 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
7046 * gcse.c (gcse_file, debug_stderr): Removed.
7047 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
7048 rest_of_handle_gcse): Do not use dump argument.
7049 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
7050 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
7051 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
7052 compute_code_hoist_vbeinout, compute_code_hoist_data,
7053 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
7054 compute_store_table, build_store_vectors, insert_insn_start_bb,
7055 insert_store, remove_reachable_equiv_notes, replace_store_insn,
7056 store_motion): Use dump_file instead of gcse_file.
7057 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
7058 * profile.c (profile_dump_file): Removed.
7059 (branch_prob): Use dump_file instead of profile_dump_file.
7060 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
7062 * tree-ssa-copy.c (dump_copy_of): Ditto.
7063 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
7064 dump file to life_analysis.
7065 * bt-load.c (branch_target_load_optimize): Ditto.
7066 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
7068 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7069 regclass, dbr_schedule): Declaration changed.
7070 * sched-int.h (sched_init): Declaration changed.
7071 * tree-profile.c (tree_profile_dump_file): Removed.
7072 (tree_profile_hooks): Removed profile_dump_file hook.
7073 * rtl-profile (rtl_profile_dump_file): Removed.
7074 (rtl_profile_hooks): emoved profile_dump_file hook.
7075 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7077 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
7078 * tree-cfg.c (build_tree_cfg): Ditto.
7079 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
7080 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
7081 Declaration changed.
7082 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
7083 life_analysis and schedule_insns.
7084 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
7086 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
7088 * config/mips/mips.c (mips_reorg): Ditto.
7089 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
7092 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
7094 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7095 (s390_mangle_fundamental_type): New.
7096 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7099 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7100 (alpha_mangle_fundamental_type): New.
7101 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7104 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7106 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7108 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7109 (sparc_mangle_fundamental_type): New.
7111 2006-02-06 Jakub Jelinek <jakub@redhat.com>
7113 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
7114 (s390x-*-linux*): Likewise.
7115 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
7116 * config/s390/t-linux: New file.
7118 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7120 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
7121 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
7123 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
7125 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
7126 (ANTIC_SAFE_LOADS): New macro.
7127 (find_or_generate_expression): Add prototype.
7128 (set_contains_value): Allow null set for sake of not always having
7129 to allocate ANTIC_SAFE_LOADS.
7130 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
7131 Allow COMPONENT_REF too.
7132 (valid_in_set): Allow COMPONENT_REF.
7133 Check ANTIC_SAFE_LOADS too.
7134 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
7135 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
7137 (can_PRE_operation): Add COMPONENT_REF.
7138 (create_component_ref_by_pieces): New function.
7139 (create_expression_by_pieces): Use create_component_ref_by_pieces.
7140 (insert_aux): Move AGGREGATE_TYPE_P check here.
7141 (compute_avail): Set bb local stmt uids.
7142 (pass_pre): Use TODO_update_ssa_only_virtuals.
7144 2006-02-06 Ben Elliston <bje@au.ibm.com>
7146 * configure.ac: Unconditionally disable decimal float by default.
7147 * configure: Regenerate.
7149 2006-02-06 Ben Elliston <bje@au.ibm.com>
7151 * read-rtl.c (read_name): Terminate reading on EOF.
7153 2006-02-06 Ben Elliston <bje@au.ibm.com>
7155 * dfp.c (decimal_real_arithmetic): Change second argument type
7156 from int to enum tree_code. Do not always return true, but now
7157 return result of any call to decimal_do helper functions.
7158 * dfp.h (decimal_real_arithmetic): Update prototype.
7160 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
7162 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
7164 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
7167 * tree-cfg.c (cleanup_dead_labels): Also don't remove
7170 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7172 * tree-vrp.c (cfg_loops): Removed.
7173 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
7174 Use current_loops instead of cfg_loops. Pass flags to
7175 loop_optimizer_init.
7176 * cfgloopmanip.c (fix_loop_structure): Update only available
7178 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
7179 loop_optimizer_init.
7180 * modulo-sched.c (build_loops_structure): Removed.
7181 (sms_schedule): Use loop_optimizer_init.
7182 * loop-init.c (loop_optimizer_init): Use flags to determine
7183 which properties of loops to prepare.
7184 (rtl_loop_init): Pass flags to loop_optimizer_init.
7185 * tree-ssa-sink.c (execute_sink_code): Ditto.
7186 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7187 * tree-ssa-pre.c (init_pre): Ditto.
7188 * cfgloop.h (LOOPS_NORMAL): New.
7189 (loop_optimizer_init): Declaration changed.
7191 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7193 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
7194 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
7196 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
7198 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
7200 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
7201 * pa/t-pa64: Delete quadlib.c rule.
7202 * pa/x-ada: Revert last change.
7203 * pa/t-pa: Revert last change. Delete quadlib.c rule.
7205 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7207 PR rtl-optimization/26087
7208 * rtlanal.c (canonicalize_condition): Do not cross basic block
7211 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
7214 * config/ia64/ia64.c: Include debug.h.
7215 (MAX_ARTIFICIAL_LABEL_BYTES): New.
7216 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
7217 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
7218 (process_epilogue, process_set, process_for_unwind_directive):
7219 Output unwind info only if requested. Add CFA info if requested.
7220 Add new arguments as needed. Adjust callers.
7221 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
7223 (DWARF2_FRAME_INFO): Define to zero.
7224 * config/ia64/unwind-ia64.c: Remove code that compensated for
7225 the CFA offset error fixed above.
7226 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
7227 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
7228 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
7229 -funwind-tables and -fexceptions to enable frame info.
7230 (dwarf2out_frame_init): Define initial CFA even if
7231 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
7232 DWARF2_UNWIND_INFO is nonzero, not just defined.
7233 (dwarf2out_frame_finish): Output non-EH call frame info only
7234 if DWARF2_FRAME_INFO is nonzero.
7235 (convert_cfa_to_loc_list,
7236 compute_frame_pointer_to_cfa_displacement): Define even if
7237 unwind info is not supported.
7238 (gen_subprogram_die): Use the above unconditionally. Remove
7239 legacy alternate code.
7240 * toplev.c (compile_file): Compile in call to
7241 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
7242 (lang_dependent_init): Ditto for dwarf2out_frame_init.
7244 2006-02-04 David Edelsohn <edelsohn@gnu.org>
7245 Jakub Jelinek <jakub@redhat.com>
7247 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
7248 IBM extended float format long double as "g" on powerpc*-linux.
7250 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7253 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
7254 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
7256 2006-02-03 Jason Merrill <jason@redhat.com>
7259 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
7262 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
7263 on the return slot if it's an NRV.
7265 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
7267 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
7268 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
7269 rewrite_use): Do not handle USE_OUTER.
7270 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
7271 add_iv_outer_candidates, may_replace_final_value,
7272 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
7273 (find_interesting_uses_op): Functionality of
7274 find_interesting_uses_outer_or_nonlin moved here.
7275 (find_interesting_uses_outside): Use find_interesting_uses_op.
7277 2006-02-03 Alan Modra <amodra@bigpond.net.au>
7280 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
7282 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
7283 Ulrich Weigand <uweigand@de.ibm.com>
7286 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
7287 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
7288 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
7289 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
7291 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
7292 (s390_rtx_costs): Use the new fields to calculate rtx costs.
7293 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
7294 Define secondary reloads for TFmode moves.
7295 (constant_modes): Add TFmode.
7296 (NR_C_MODES): Set to 8.
7297 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
7299 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
7300 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
7301 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
7302 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
7303 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
7304 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
7305 (FPR mode macro): Add TFmode.
7306 (DSF mode macro): New.
7307 (<de>, <dee> mode attributes): Removed.
7308 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
7309 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
7310 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
7311 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
7312 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
7313 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
7314 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
7315 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
7316 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
7317 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
7318 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
7319 "*negabs<mode>2", "sqrt<mode>2"):
7320 Changed <de> to <xde>. R constraint replaced by <Rf>.
7321 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
7323 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
7324 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
7325 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
7327 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
7328 "extenddftf2", "extendsftf2"): New expanders.
7329 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7330 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
7331 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
7332 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
7334 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
7335 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
7336 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
7337 __floatditf): Add a GCC_4.1.0 symbol version tag.
7338 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
7341 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
7344 * config/i386/i386.c (ix86_function_ok_for_sibcall):
7345 Use targetm.binds_local_p instead of TREE_PUBLIC.
7347 2006-02-02 Roger Sayle <roger@eyesopen.com>
7349 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
7350 on INTEGER_TYPEs to indicate that it denotes a character type.
7351 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
7352 signed_char_type_node, unsigned_char_type_node and char_type_node.
7353 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
7354 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
7355 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
7357 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
7358 Daniel Berlin <dberlin@dberlin.org>
7360 * tree-tailcall.c (arg_needs_copy_p): New function.
7361 (eliminate_tail_call): Use arg_needs_copy_p.
7362 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
7363 (add_virtual_phis): New function.
7365 2006-02-02 Jakub Jelinek <jakub@redhat.com>
7367 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
7368 #ignore instead of #scratch for %g7 .register directive.
7370 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
7372 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
7375 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7377 * flow.c (calculate_global_regs_live): Assert that there aren't any
7380 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
7382 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
7384 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
7385 bsi_after_labels iterator.
7386 * tree-if-conv.c (find_phi_replacement_condition,
7387 replace_phi_with_cond_modify_expr): Likewise.
7388 * tree-scalar-evolution.c (scev_const_prop): Likewise.
7389 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
7391 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7393 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
7395 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7398 * tree-cfg.c (move_block_to_fn): Clear out the basic block
7399 array after growing it.
7401 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7404 * fold-const.c (fold_checksum_tree): Change type of buf.
7406 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
7408 * reload.c (push_secondary_reload): Initialize t_icode.
7410 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7412 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
7413 -msoft-float -mlong-double-128 only issue a warning, but don't
7414 swich to DFmode long double.
7416 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7418 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7419 has a constant equivalent, iterate over equivalents for arg0,
7420 calling simplify_relational_operation and if there's a result
7421 cheaper than X, apply fold_rtx and return the result.
7423 2006-02-01 Jan Hubicka <jh@suse.cz>
7425 * opts.c (no_unit_at_a_time_default): New global variable.
7426 (decode_options): Use it.
7427 * opts.h (no_unit_at_a_time_default): Declare.
7429 2006-02-01 Paul Brook <paul@codesourcery.com>
7431 * function.c (assign_parm_setup_reg): Use function argument promotion
7433 * expr.c (expand_expr_real_1): Use function argument promotion rules
7436 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7438 * gcc.c (process_command): Change j to 'unsigned int'.
7440 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7443 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7444 Use the corrected index for the character
7445 out of the string constant.
7447 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7449 * mode-switching.c (optimize_mode_switching): Fix size
7450 allocated for bb_info[n_entities].
7452 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7454 * gcc.c (main): Correct type that is allocated for
7455 explicit_link_files.
7457 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7459 * config/s390/s390.c (init_alignment_context): Set
7460 ALIAS_SET_MEMORY_BARRIER on the MEM.
7461 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7463 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7466 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7468 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7471 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7473 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7474 * regrename.c: Ditto.
7475 * tree-ssa-loop-im.c: Ditto.
7476 * tree-dump.c: Ditto.
7477 * tree-complex.c: Ditto.
7478 * genrecog.c: Ditto.
7479 * tree-ssa-threadupdate.c: Ditto.
7481 * java/class.c: Ditto.
7482 * java/jcf-parse.c: Ditto.
7483 * java/resource.c: Ditto.
7484 * java/except.c: Ditto.
7485 * java/jvspec.c: Ditto.
7486 * java/jcf-write.c: Ditto.
7487 * java/jcf-path.c: Ditto.
7488 * java/gjavah.c: Ditto.
7489 * java/zextract.c: Ditto.
7490 * java/jcf-io.c: Ditto.
7491 * java/jcf.h: Ditto.
7492 * java/buffer.c: Ditto.
7493 * java/lang.c: Ditto.
7494 * java/parse-scan.y: Ditto.
7495 * java/lex.c: Ditto.
7496 * java/lex.h: Ditto.
7497 * cfgloopmanip.c: Ditto.
7498 * postreload-gcse.c: Ditto.
7499 * tree-ssa-loop-manip.c: Ditto.
7500 * postreload.c: Ditto.
7501 * tree-ssa-loop-ch.c: Ditto.
7505 * diagnostic.c: Ditto.
7507 * genoutput.c: Ditto.
7509 * cfghooks.c: Ditto.
7510 * cfgloopanal.c: Ditto.
7511 * objc/objc-act.c: Ditto.
7513 * genextract.c: Ditto.
7514 * genautomata.c: Ditto.
7515 * pretty-print.c: Ditto.
7517 * cgraphunit.c: Ditto.
7520 * haifa-sched.c: Ditto.
7521 * dominance.c: Ditto.
7523 * tree-ssa-loop-ivopts.c: Ditto.
7525 * mode-switching.c: Ditto.
7526 * modulo-sched.c: Ditto.
7528 * ipa-pure-const.c: Ditto.
7530 * fix-header.c: Ditto.
7532 * tree-stdarg.c: Ditto.
7533 * ipa-utils.c: Ditto.
7534 * loop-init.c: Ditto.
7535 * ipa-inline.c: Ditto.
7538 * alloc-pool.c: Ditto.
7539 * dwarf2out.c: Ditto.
7541 * genattrtab.c: Ditto.
7542 * tree-ssa-loop-ivcanon.c: Ditto.
7546 * fortran/gfortranspec.c: Ditto.
7548 * local-alloc.c: Ditto.
7549 * langhooks.c: Ditto.
7550 * function.c: Ditto.
7551 * tree-vectorizer.c: Ditto.
7553 * ipa-type-escape.c: Ditto.
7555 * tree-if-conv.c: Ditto.
7558 * tree-data-ref.c: Ditto.
7559 * loop-unroll.c: Ditto.
7560 * treelang/treetree.c: Ditto.
7563 * ggc-common.c: Ditto.
7565 * coverage.c: Ditto.
7567 * tree-cfgcleanup.c: Ditto.
7568 * tree-ssa-pre.c: Ditto.
7569 * cfgcleanup.c: Ditto.
7570 * loop-invariant.c: Ditto.
7572 * ipa-prop.c: Ditto.
7573 * print-tree.c: Ditto.
7574 * conflict.c: Ditto.
7575 * ggc-page.c: Ditto.
7576 * sched-deps.c: Ditto.
7577 * regclass.c: Ditto.
7578 * tree-object-size.c: Ditto.
7580 * bb-reorder.c: Ditto.
7581 * resource.c: Ditto.
7582 * var-tracking.c: Ditto.
7584 * df-problems.c: Ditto.
7585 * reg-stack.c: Ditto.
7588 * sched-rgn.c: Ditto.
7589 * tree-ssa-structalias.c: Ditto.
7590 * tree-ssa-reassoc.c: Ditto.
7591 * config/darwin-c.c: Ditto.
7592 * config/darwin.c: Ditto.
7593 * config/arm/arm.c: Ditto.
7595 * collect2.c: Ditto.
7598 2006-01-31 Nicolas Pitre <nico@cam.org>
7600 * arm.md (smaxsi3): Make aware of smax_m1.
7603 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7605 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
7607 2006-01-31 Richard Guenther <rguenther@suse.de>
7609 * doc/invoke.texi (-msselibm): Document.
7610 * target.h (expand_library_builtin): New target hook.
7611 * builtins.c (expand_builtin): Use expand_library_builtin.
7612 (default_expand_library_builtin): New function.
7613 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7614 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7615 (link_gcc_math_spec): Declare.
7616 (static_specs): Add link_gcc_math_spec.
7617 * expr.h (default_expand_library_builtin): Declare.
7618 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7619 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7620 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7621 * config/i386/i386.opt (msselibm): New target option.
7622 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7623 (ix86_init_sse_abi_builtins): New function.
7624 (ix86_expand_library_builtin): Likewise.
7625 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7626 (override_options): Handle error conditions wrt -msselibm.
7627 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7628 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7629 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7632 2006-01-31 Richard Guenther <rguenther@suse.de>
7633 Paolo Bonzini <bonzini@gnu.org>
7635 * doc/install.texi (--disable-libgcc-math): Document.
7637 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7639 * expr.h (expand_normal): new inline function.
7640 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7642 * dwarf2out.c: use it.
7647 * config/sparc/sparc.c: use it.
7648 * config/i386/i386.c: use it.
7649 * config/rs6000/rs6000.c: use it.
7650 * config/arm/arm.c: use it.
7651 * config/mips/mips.c: use it.
7652 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7654 2006-01-30 Roger Sayle <roger@eyesopen.com>
7656 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7657 argv to the appropriate type.
7659 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7661 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7664 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7667 * config/s390/s390.c (struct machine_function): New flag
7668 decomposed_literal_pool_addresses_ok_p.
7669 (s390_reorg): Set it before final stage of literal pool transforms.
7670 (s390_decompose_address): Only accept displacements of the form
7671 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7673 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7675 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7676 the comparison routine return.
7678 2006-01-30 Michael Matz <matz@suse.de>
7680 * global.c (find_reg): Only evict for global regs.
7681 Take n_refs into account and dump more info.
7683 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7686 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7687 (pragma_trap, pragma_nosave_low_regs): Likewise.
7688 (current_function_anonymous_args): Likewise.
7689 (sh_deferred_function_attributes): New variable.
7690 (sh_deferred_function_attributes_tail): Likewise.
7691 (print_operand): For '@', look up trap_exit attribute.
7692 (calc_live_regs): Look up trapa_handler attribute. For trapa
7693 handlers, save/restore fpscr, but don't do any other
7694 interrupt-specific saves.
7695 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7696 Fix check for partially saved registers to check for SHmedia.
7697 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7698 (sh_output_function_epilogue): Don't clear any of the removed
7700 (sh_insert_attributes): Don't check pragma_interrupt.
7701 Insert deferred attributes. Check that interrupt attribute is
7702 present for other attributes that require its presence.
7703 (sh_attribute_table): Add new attributes trapa_handler and
7705 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7706 Don't check for pragma_interrupt. Don't store argument.
7707 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7708 (sh_deferred_function_attributes): Declare.
7709 (sh_deferred_function_attributes_tail): Likewise.
7710 * sh.md (sp_switch_1): Add operand. Change generator caller.
7711 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7712 (*return_i): Don't use when trap_exit attribute is in effect.
7713 (*return_trapa): New insn pattern.
7715 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7716 setting c_target_objs and cxx_target_objs.
7717 * t-sh: Add rule for sh-c.o.
7719 2006-01-30 Richard Guenther <rguenther@suse.de>
7722 * gimplify.c (gimplify_target_expr): Handle easy cases
7723 without creating a temporary.
7725 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7727 * vec.h (safe_grow): Remove duplicated line.
7729 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7732 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7733 (expand_omp): ... here.
7734 (expand_omp_parallel): Only remove barriers for combined
7735 parallel+workshare constructs.
7737 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7741 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7742 * tree.c (build_qualified_type): Chain the new type to the original
7743 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7744 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7745 (build_pointer_type_for_mode): Only return unqualified types.
7746 (build_reference_type_for_mode): Likewise.
7748 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7750 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7751 * Makefile.in (CXX_COMPAT_WARN): Define.
7752 * configure: Regenerate.
7754 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7757 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7760 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7762 * toplev.c: Fix thinko.
7764 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7765 Marcin Dalecki <martin@dalecki.de>
7767 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7768 (push_srcloc): Use XNEW.
7769 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7771 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7773 * df-core.c (df_set_blocks): Deleted all variable.
7775 2006-01-28 Ian Lance Taylor <ian@airs.com>
7777 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7778 cgraph_output_pending_asms.
7780 2006-01-28 Zack Weinberg <zackw@panix.com>
7782 * c.opt: Add -W(no-)overlength-strings.
7783 * doc/invoke.texi: Document it.
7784 * c-opts.c (c_common_handle_option): -pedantic implies
7785 -Woverlength-strings, if not explicitly disabled already.
7786 (c_common_post_options): -Woverlength-strings defaults to off, and
7787 is always off for C++.
7788 * c-common.c (fix_string_type): Issue warning about strings longer
7789 than is portable only if warn_overlength_strings. Rearrange code
7790 a little for clarity.
7791 * configure.in: Check for -Wno-overlength-strings as well before
7792 enabling -pedantic in stage 1.
7793 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7794 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7796 * genconditions.c (write_header, write_one_condition)
7797 (write_conditions, write_writer): Consolidate very long strings
7798 that were broken up to fit in C89 portable limit. Don't use
7799 printf when fputs will do.
7801 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7803 * combine.c (simplify_comparison <AND>): Check
7804 TRULY_NOOP_TRUNCATION before start using a subreg.
7806 * config/mips/mips.md (*branch_zero<mode>,
7807 *branch_zero<mode>_inverted, *branch_equality<mode>,
7808 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7809 Remove mode check from comparisons.
7811 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7813 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7815 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7817 * expmed.c (const_mult_add_overflow_p): Remove.
7818 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7820 * recog.c (validate_replace_rtx_subexp): Remove.
7821 * recog.h: Remove the prototype for
7822 validate_replace_rtx_subexp.
7824 * integrate.h: Remove the prototype for
7825 copy_decl_for_inlining.
7826 * rtl.h: Remove the prototype for mark_constant_function.
7827 * tree-vectorizer.h: Remove the prototype for
7828 vect_strip_conversion.
7830 * modulo-sched.c (create_partial_schedule,
7831 free_partial_schedule, reset_partial_schedule): Make them
7834 * hooks.c (hook_bool_rtx_int_false): Remove.
7835 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7837 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7839 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7840 and -mlong-double-128 are incompatible.
7841 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7842 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7843 (TARGET_LIBGCC2_CFLAGS): Define.
7844 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7845 (TARGET_LIBGCC2_CFLAGS): Same.
7846 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7848 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7851 * c-typeck.c (build_binary_op): Perform implicit casts of
7852 operands before shortening them.
7854 * cfgloopmanip.c (split_loop_bb): Remove.
7855 * cfgloop.h: Remove the prototype for split_loop_bb.
7857 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7858 * cfgloop.h: Remove the prototype for
7859 flow_loop_outside_edge_p.
7861 * emit-rtl.c (init_virtual_regs): Make it static.
7862 * function.h: Remove the prototype for init_virtual_regs.
7864 * recog.c (peephole2_optimize): Make it static.
7865 * recog.h: Remove the prototype for peephole2_optimize.
7867 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7869 * df-scan.c (df_record_entry_block_defs): Check if
7870 INCOMING_RETURN_ADDR_RTX is defined.
7872 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7873 Kenneth Zadeck <zadeck@naturalbridge.com>
7875 PR rtl-optimization/24762
7876 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7877 * targhooks.c (hook_void_bitmap): New hook prototype.
7878 * targhoohs.h (hook_void_bitmap): Ditto.
7879 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7880 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7881 * target.h (live_on_entry): New function pointer.
7882 * df-scan.c (df_all_hard_regs): Removed.
7883 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7884 (df_scan_free_internal): Added df->entry_block_defs.
7885 (df_scan_alloc): Ditto.
7886 (df_scan_dump): Ditto.
7887 (df_uses_record): Plumbed flag field properly thru calls.
7888 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7889 This part fixes PR24762.
7890 (df_bb_refs_record): Added code to make the frame and arg
7891 pointers live in EH blocks.
7892 (df_refs_record): Added call to df_record_entry_block_defs.
7893 (df_record_entry_block_defs): New function.
7894 * df-core.c: Added comments to describe new artifical defs.
7895 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7896 (entry_block_defs): New field in struct df.
7897 (df_all_hard_regs): Deleted.
7898 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7899 * df-problems.c (df_ru_bb_local_compute_process_def):
7900 Added code to handle artifical defs in the entry to a function.
7901 (df_ru_bb_local_compute): Ditto.
7902 (df_rd_bb_local_compute_process_def): Ditto.
7903 (df_rd_bb_local_compute): Ditto.
7904 (df_lr_bb_local_compute): Ditto.
7905 (df_ur_bb_local_compute): Ditto.
7906 (df_urec_bb_local_compute): Ditto.
7907 (df_chain_create_bb): Ditto.
7908 (df_ur_local_finalize): Removed entry.
7909 (df_urec_init): Ditto.
7910 (df_urec_local_finalize): Ditto.
7911 (df_ri_bb_compute): Added detection of last use of pseudos.
7912 * Makefile.in (df-scan.o): Updated dependencies.
7913 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7914 * config/mips/mips.c (mips_set_live_on_entry): Added.
7915 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7917 * dce.c (marked_insn_p): Added code to handle artifical defs.
7919 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7921 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7923 (_mm_cvtsi128_si64): Likewise.
7924 (_mm_cvtsd_si64): Likewise.
7925 (_mm_cvttsd_si64): Likewise.
7926 (_mm_cvtsi64_sd): Likewise.
7927 (_mm_cvtsi64_si128): Likewise.
7928 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7929 (_mm_cvtsi64_m64): Likewise.
7930 (_m_to_int64): Likewise.
7931 (_mm_cvtm64_si64): Likewise.
7932 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7933 (_mm_cvttss_si64): Likewise.
7934 (_mm_cvtsi64_ss): Likewise.
7935 (_mm_cvtss_f32): Likewise.
7937 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7939 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7940 for pragma redefine_extname.
7942 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7945 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7946 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7947 -mno-minimal-toc to previous content.
7948 (bispecs): Remove goal.
7949 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7950 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7951 compatibility aliases on powerpc-*-*gnu*.
7952 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7953 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7954 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7955 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7956 (ldblspecs): New goal.
7957 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7958 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7960 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7961 L_sf_to_tf or L_df_to_tf is defined.
7963 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7964 Alan Modra <amodra@bigpond.net.au>
7967 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7968 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7969 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7970 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7971 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7972 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7973 (rs6000_override_options): Initialize rs6000_ieeequad.
7974 Initialize TFmode format to ibm_extended_format if not
7976 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7978 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7979 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7980 (function_arg_advance): IBM long double passed in two FPRs, not
7982 (function_arg): IBM long double passed in FPRs.
7983 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7984 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7985 Only multireg GPR aligned.
7986 (rs6000_init_libfuncs): Enable IBM long double functions if not
7988 (rs6000_generate_compare): Use IBM long double compare if not
7990 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7991 (TARGET_IEEEQUAD): Define.
7992 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7993 not TARGET_IEEEQUAD.
7994 * config/rs6000/rs6000.md: Enable TFmode patterns if
7996 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7997 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7998 and -mlong-double-128 are incompatible.
7999 * doc/invoke.texi (-mabi): Collect options together. Add
8000 ibmlongdouble and ieeelongdouble.
8002 2006-01-27 Richard Sandiford <richard@codesourcery.com>
8004 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
8006 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
8007 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
8008 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
8009 * rtl.h (rtunion_def): Remove rt_ptr.
8011 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
8012 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
8013 * config/i386/winnt.c (i386_pe_mark_dllexport)
8014 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
8016 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
8018 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
8020 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8024 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
8025 pthread_key_delete. From John David Anglin. gthrw-ify
8026 pthread_getunique_np only if it it's not a macro. Delete
8028 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
8029 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
8030 __gthread_objc_condition_signal, __gthread_key_delete): Add
8031 "__attribute__ ((__unused__))" to unused arguments.
8032 (__gthread_recursive_mutex_init_function): Add missing return.
8033 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
8034 gthr-posix95.h: Use macro-based approach for name redirection
8035 on targets missing weakref.
8037 2006-01-26 Zack Weinberg <zackw@panix.com>
8039 * genconditions.c (write_header): In generated code, #ifdef out
8040 all includes and fake declarations, except includes of bconfig.h
8041 and system.h, unless GCC_VERSION >= 3001. Do not include
8042 gensupport.h in any case.
8043 (write_conditions): Generate a definition of struct c_test. Add
8044 a comment to the generated #endif.
8045 (write_one_condition): Escape backslashes in string too.
8046 (write_writer): Generated code must escape backslashes and quote
8047 marks (but not newlines) in the strings it writes.
8048 * Makefile.in (build/gencondmd.o): Update dependencies.
8050 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8053 * Makefile.in (insn-automata.o): Add header file dependencies.
8054 * genautomata.c: Add includes.
8056 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8059 * Makefile.in (insn-automata.o): Add -Wno-error flag.
8061 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8063 * configure.ac: Expect target tools paths to be passed from the toplevel
8064 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
8066 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8068 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8071 * c.opt (Wpointer-sign): Init to -1.
8072 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8073 OPT_pedantic, to 0 otherwise.
8074 * doc/invoke.texi: Update.
8076 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8078 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
8079 constants provided by 80387 instructions in the destination mode.
8081 2006-01-26 Richard Guenther <rguenther@suse.de>
8082 Andrew Pinski <pinskia@physics.uc.edu>
8085 partial PR tree-opt/17064
8086 * tree-ssa-structalias.c (intra_create_variable_infos):
8087 Create heap variables for incoming parameters if
8088 flag_argument_noalias > 1.
8089 (find_what_p_points_to): Look through default defs of
8092 2006-01-26 Jeff Law <law@redhat.com>
8095 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
8096 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
8097 within the VR_RANGE, use the VR_RANGE as the result, not the
8099 (adjust_range_with_scev): Reject ranges from SCEV which are out of
8100 bounds for the type.
8102 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
8104 * tree-ssa-alias.c (maybe_create_global_var): Change
8105 subvar walking to an assertion that we don't have subvar'd variables.
8107 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
8110 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
8111 Use a new variable, inner. PARM_DECLs are always non-weak.
8113 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
8115 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
8118 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
8120 * config/mips/mips.md (*clear_upper32): New combiner pattern.
8122 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
8124 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
8125 (smax_insn, smin_insn, smax_0, smin_0): New.
8127 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
8130 * config/cris/cris.c (cris_order_for_addsi3): New function.
8131 * config/cris/cris-protos.h: Prototype it.
8132 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
8133 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8134 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
8135 (split for "op.S1 [rx=rx+i],ry (swapped)")
8136 (split for "op(s|u).S1 [rx=rx+i],ry")
8137 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
8138 Apply cris_order_for_addsi3 when generating addsi3 insns.
8140 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8142 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
8143 (TREE_BLOCK): Add call to EXPR_CHECK.
8145 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8148 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
8149 * tree-pretty-print.c (dump_omp_clause): Extract from ...
8150 (dump_omp_clauses): ... here.
8151 (dump_generic_node): Handle OMP_CLAUSE.
8152 * tree.c (omp_clause_num_ops): New.
8153 (omp_clause_code_name): New.
8154 (tree_code_size): Handle OMP_CLAUSE.
8155 (tree_size): Likewise.
8156 (make_node): Document handling of OMP_CLAUSE.
8157 (tree_node_structure): Handle OMP_CLAUSE.
8158 (omp_clause_check_failed): New.
8159 (omp_clause_range_check_failed): New.
8160 (omp_clause_operand_check_failed): New.
8161 (build_omp_clause): New.
8162 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
8163 * tree.h (enum omp_clause_code): Declare.
8164 (OMP_CLAUSE_SUBCODE_CHECK): Define.
8165 (OMP_CLAUSE_RANGE_CHECK): Define.
8166 (OMP_CLAUSE_ELT_CHECK): Define.
8167 (omp_clause_check_failed): Declare.
8168 (omp_clause_operand_check_failed): Declare.
8169 (omp_clause_range_check_failed): Declare.
8170 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
8171 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
8172 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
8173 (OMP_CLAUSE_LASTPRIVATE): Likewise.
8174 (OMP_CLAUSE_IF_EXPR): Likewise.
8175 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
8176 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
8177 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
8178 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
8179 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
8180 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
8181 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
8182 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
8183 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
8184 (OMP_CLAUSE_CODE): Define.
8185 (OMP_CLAUSE_SET_CODE): Define.
8186 (OMP_CLAUSE_CODE): Define.
8187 (OMP_CLAUSE_OPERAND): Define.
8188 (struct tree_omp_clause): Declare.
8189 (union tree_node): Add field 'omp_clause'.
8190 * treestruct.def (TS_OMP_CLAUSE): Define.
8191 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
8192 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
8193 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
8194 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
8195 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
8196 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
8197 (OMP_CLAUSE): Define.
8198 * print-tree.c (print_node): Handle OMP_CLAUSE.
8199 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
8200 * c-typeck.c: Likewise.
8201 * gimplify.c: Likewise.
8202 * c-omp.c: Likewise.
8203 * tree-nested.c: Likewise.
8204 * tree-inline.c: Likewise.
8205 * c-parser.c: Likewise.
8206 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
8209 2006-01-25 Roger Sayle <roger@eyesopen.com>
8211 PR rtl-optimization/25703
8212 * combine.c (try_combine): Handle zero_extract and strict_low_part
8213 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
8215 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
8217 * global.c: Fix comment typos.
8219 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
8222 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
8223 Use output_addr_const instead of assemble_name.
8225 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
8227 * Makefile.in (sched-vis.o): Update dependencies.
8228 * haifa-sched.c (sched_finish): Clear current_sched_info.
8229 * cfg.c (dump_bb_info): New, split from dump_flow_info.
8230 (dump_flow_info): Call it.
8231 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
8233 * basic-block.h (dump_bb_info): Declare.
8234 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
8235 option, and apply options only for dump files whose TDF_RTL,
8236 TDF_TREE, or TDF_IPA bits match.
8237 * rtl.h: Declare new functions exported from sched-vis.c.
8238 * sched-vis.c: Enable also if scheduling is not used.
8239 (print_value): Print the mode of registers if not inside scheduling.
8240 (print_insn): Make it work outside the scheduler. Beautify the output
8242 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
8244 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8246 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
8247 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
8248 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
8249 depending on the value of CONSTANT_POOL_ADDRESS_P.
8250 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
8252 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
8253 rather than SYMBOL_REF_DECL.
8254 (rtx_constant_pool): Remove const_rtx_sym_htab.
8255 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
8256 (init_varasm_status): Don't initialize const_rtx_sym_htab.
8257 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
8258 Remove handling of const_rtx_sym_htab.
8259 (find_pool_constant): Delete.
8260 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
8261 rather than find_pool_constant.
8262 (get_pool_constant_for_function): Delete.
8263 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
8265 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
8266 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
8267 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
8268 (SYMBOL_REF_CONSTANT): New macro.
8269 (get_pool_constant_for_function): Delete.
8270 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
8271 rather than SYMBOL_REF_DECL.
8272 (i386_pe_mark_dllimport): Likewise.
8273 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
8274 rather than SYMBOL_REF_DECL.
8275 * config/darwin.c (machopic_indirect_data_reference): Likewise.
8276 (machopic_indirect_call_target): Likewise.
8278 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
8280 * flow.c (delete_noop_moves): Add missing EOL to dump message.
8282 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8284 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
8286 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
8288 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
8290 2006-01-24 David Daney <ddaney@avtrex.com>
8293 * configure.ac (enable_tls): New enable option.
8294 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
8295 * configure: Regenerate.
8296 * doc/install.texi (--enable-tls): Document new option.
8297 (--disable-tls): Ditto.
8299 2006-01-24 Richard Henderson <rth@redehat.com>
8301 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
8302 * alias.c (true_dependence): Respect it.
8303 (canon_true_dependence, write_dependence_p): Likewise.
8304 * builtins.c (get_builtin_sync_mem): Set it.
8306 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
8308 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
8311 2006-01-24 DJ Delorie <dj@redhat.com>
8313 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
8314 for storing constants in single-bit bitfields.
8316 2006-01-25 Ben Elliston <bje@au.ibm.com>
8318 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
8320 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
8323 * tree-ssa-pre.c (phi_translate): Return NULL
8324 for AGGREGATE_TYPE's.
8326 2006-01-24 Zack Weinberg <zackw@panix.com>
8328 * genautomata.c (process_state_for_insn_equiv_partition):
8329 Use xcalloc for insn_arcs_array.
8330 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
8331 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
8333 2006-01-24 Richard Henderson <rth@redhat.com>
8335 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
8338 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
8340 PR rtl-optimization/25890
8341 PR rtl-optimization/25905
8342 * combine.c (expand_compound_operation, expand_field_assignment):
8343 Fail if the bitfield's final position is out of bounds.
8345 2006-01-24 Ian Lance Taylor <ian@airs.com>
8348 * cgraphunit.c (cgraph_output_in_order): Don't clear
8349 cgraph_asm_nodes until after asm strings have been output.
8351 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
8353 * fix-header.c (read_scan_file): Add new parameter imultilib when
8354 calling register_include_chains.
8356 2006-01-23 Diego Novillo <dnovillo@redhat.com>
8358 * omp-low.c: Update documentation.
8360 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8361 Daniel Berlin <dberlin@dberlin.org>
8365 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
8366 return from the function.
8368 2006-01-22 Zack Weinberg <zackw@panix.com>
8370 * rtl.def (match_code): Add second argument.
8371 * genpreds.c (write_extract_subexp): New function.
8372 (write_match_code): Add path argument. Use write_extract_subexp.
8373 (write_predicate_expr): Pass path to write_match_code.
8374 (mark_mode_tests): MATCH_CODE applied to a subexpression does
8375 not perform a mode test.
8376 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
8377 a subexpression does not constrain the top-level code set.
8378 * read-rtl.c (read_rtx_variadic): New function.
8379 (read_rtx_1): Use it; allow AND and IOR to be variadic.
8380 * doc/md.texi: Document new notation.
8381 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
8382 (cmpsi_operand): ... here, using new notation.
8384 2006-01-22 Zack Weinberg <zackw@panix.com>
8386 * varray.c: Remove GENERATOR_FILE #ifdefs.
8388 2006-01-22 Zack Weinberg <zackw@panix.com>
8390 * genautomata.c (output_reserved_units_table): Emit nothing if
8391 description->query_units_num is zero. Remove extra blank line.
8392 (output_cpu_unit_reservation_p): Short circuit
8393 if description->query_units_num is zero.
8395 2006-01-22 Zack Weinberg <zackw@panix.com>
8397 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
8398 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
8399 nor any of the random handful of variables that used to be necessary
8400 when this program was linked with rtlanal.o. Prune set of forward
8401 function declarations.
8402 (struct attr_desc): Remove static_p field.
8403 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
8404 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
8405 (attr_string): Do not read the character one past the length of
8407 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
8408 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
8409 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
8410 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
8411 (make_automaton_attrs): New.
8412 (main): Do not call into genautomata. Call local gen_bypass
8413 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
8414 Remove special case for insn_alts.
8415 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8416 varray.h (leftover from previous change). Prune set of forward
8417 function declarations. Remove state_alts fields from all
8418 structures. Remove state_alts_table from struct automaton.
8419 Make everything except main static. Do not maintain num_dfa_decls.
8420 Do not maintain state_alts fields of various structures.
8421 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8422 (add_arc): Remove state_alts argument. All callers updated.
8423 (output_reserved_units_table): Emit #ifdef here...
8424 (output_tables): ...not here. Don't generate state_alts tables.
8425 (expand_automata): Don't generate attributes.
8426 (write_automata): Don't generate state_alts functions.
8427 (main): New function.
8428 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8429 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8430 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8431 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8432 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8433 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8434 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8435 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8437 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8438 * genattrtab.h: Delete file.
8439 * Makefile.in (OBJS-common): Add insn-automata.o.
8440 (insn-automata.o): New rule.
8441 (simple_generated_c): Add insn-automata.c.
8442 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8443 (genprogmd): Add automata.
8444 (build/genattrtab): Needs no extra objects nor libraries.
8445 (build/genautomata): Needs build/vec.o and -lm.
8447 2006-01-22 Zack Weinberg <zackw@panix.com>
8449 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8450 (output_dfa_max_issue_rate, locked_states_num): Delete.
8451 (struct automaton): Add locked_states field.
8452 (output_dead_lock_vect): Save number of locked states in
8453 automaton->locked_states. If it is zero, don't print anything.
8454 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8455 (output_internal_dead_lock_func): Only test the dead_lock_vect
8456 for automata that have locked states.
8457 (output_statistics): Always print the number of locked states for
8458 each automaton. Calculate total number of locked states here.
8459 (write_automata): Don't call output_dfa_max_issue_rate.
8460 * genattrtab.c: Define length_unit_log as a const variable.
8461 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8462 max_insn_queue_index const.
8463 * final.c (length_unit_log): Declare const.
8464 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8466 2006-01-22 Zack Weinberg <zackw@panix.com>
8468 * genautomata.c: Include vec.h, not varray.h.
8469 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8470 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8471 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8472 VEC_* macros operating on appropriately typed vectors, or to
8473 malloced arrays when the size is known in advance. Const-ify
8474 many char* variables and function arguments. No functional changes.
8475 * Makefile.in (build/varray.o): Delete rule.
8476 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8477 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8479 2006-01-22 Zack Weinberg <zackw@panix.com>
8481 * gensupport.c: Define get_insn_name and record_insn_name here.
8482 (read_md_rtx): Call record_insn_name as appropriate.
8483 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8484 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8485 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8487 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8488 (BUILD_VARRAY): Delete.
8489 (genprognormal): Rename genprogmd. Fold in all programs from
8490 genprognoprint; also attrtab.
8491 (build/genattrtab): Just mention genautomata.o and varray.o.
8492 Reorganize a bit, add comments to make the categories clearer.
8494 2006-01-22 Zack Weinberg <zackw@panix.com>
8496 * genconditions.c (condition_table, add_condition): Delete.
8497 (write_conditions): Don't emit n_insn_conditions nor
8498 insn_elision_unavailable. Issue the gcc version #ifdef here,
8499 inside the table, with no #else clause ...
8500 (write_header): ...not here.
8501 (write_writer): New function.
8502 (main): Don't initialize condition_table. Use add_c_test.
8504 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8505 files on the command line.
8506 (maybe_eval_c_test): Don't check insn_elision_unavailable.
8507 Return -1 if there is no entry in the table, don't abort.
8508 (add_c_test, traverse_c_tests): New functions.
8509 * gensupport.h (insn_elision_unavailable, insn_conditions)
8510 (n_insn_conditions): Delete declarations.
8511 (add_c_test, traverse_c_tests): Declare.
8512 * read-rtl.c: Include gensupport.h.
8513 (read_conditions): New function.
8514 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
8515 (read_rtx_1): If we get EOF when we were looking for an initial
8516 open paren, return 0. Call read_conditions when appropriate.
8517 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
8518 dummy-conditions.o. Eliminate references to insn-conditions.o,
8519 or change them to build/gencondmd.o, as appropriate. Remove
8520 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8521 from $(simple_generated_c). For all files remaining in those
8522 two lists, add insn-conditions.md to the generator command line.
8523 Give insn-constants.h/s-constants their own rules. Add rules
8524 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8525 (build/read-rtl.o): Depend on gensupport.h.
8526 (genprognormal): Include preds.
8527 (genprogearly): Rename genprognoprint; only difference is now that
8528 they don't link with $(BUILD_PRINT).
8529 * dummy-conditions.c: Delete.
8531 2006-01-22 Zack Weinberg <zackw@panix.com>
8533 * genextract.c: Don't include insn-config.h. Do include vec.h.
8534 Declare vectors of int, char, and locstr.
8535 (locstr): New typedef.
8536 (struct extraction): Make all array fields into bare pointers.
8537 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8538 (insn_code_number): Delete.
8539 (accum_extract): New struct.
8540 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8541 (gen_insn): Take insn_code_number as an argument. Use an
8542 accum_extract structure instead of loading data directly into
8543 a struct extraction, and having to know how big it might get.
8544 (walk_rtx): Operate entirely on an accum_extract structure.
8545 (print_path): Avoid unnecessary use of printf.
8546 (print_header): New function, split out of main. Distinguish
8547 more carefully between an unrecognizable insn and an insn that
8548 has the code number of a define_expand.
8549 (main): Pass insn_code_number to gen_insn. Call print_header
8550 only after parsing. Avoid unnecessary use of printf.
8551 * Makefile.in (build/vec.o): New rule.
8552 (build/genextract): Depend on build/vec.o.
8553 (build/genextract.o): Don't depend on insn-config.h.
8555 2006-01-22 Zack Weinberg <zackw@panix.com>
8557 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8558 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8559 practical. Eliminate per-generator-program link rules.
8561 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8564 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8565 with a call expr to ...
8566 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8568 2006-01-23 Richard Guenther <rguenther@suse.de>
8570 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8571 before make_edge with conditional EDGE_TRUE_VALUE.
8573 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8574 Jan Hubicka <jh@suse.cz>
8575 Richard Guenther <rguenther@suse.de>
8577 PR rtl-optimization/25654
8578 * cfgexpand.c (aggregate_contains_union_type): New function.
8579 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8580 for structure variables that contain a union type.
8582 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8584 * gengtype.c (new_structure): Return the structure.
8585 (create_option): Add an extra "next" argument.
8586 (create_field): New function.
8587 (adjust_field_rtx_def): Use create_option and create_field.
8588 Remove a now-unnecessary call to find_structure.
8589 (adjust_field_tree_def): Likewise.
8590 (note_yacc_type): Remove an unnecessary call to find_structure.
8591 * gengtype.h (new_structure): Return the structure.
8592 (create_option): Add an extra argument.
8593 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8594 (option): Adjust calls to create_option.
8596 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8598 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8600 2006-01-22 Paul Brook <paul@codesourcery.com>
8601 Peter Barada <peter@the-baradas.com>
8603 * config/m68k/m68k.md: Add Coldfire FPU support.
8604 Define FP mode macro and associated attributes.
8605 Use it for float mode patterns.
8606 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8607 (LIBCALL_VALUE): Use m68k_libcall_value.
8608 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8609 (m68k_function_value): Ditto.
8610 (emit_move_sequence): Ditto.
8611 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8612 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8613 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8614 (MULTILIB_EXCEPTIONS): Ditto.
8615 * config/m68k/m68k.opt: Add mcfv4e.
8616 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8617 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8618 (m68k_output_function_prologue): Save ColdFire FPU registers.
8619 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8620 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8621 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8622 ColdFire FPU registers.
8623 (m68k_libcall_value, m68k_function_value): New functions.
8624 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8625 (LIBCALL_VALUE): Use m68k_libcall_value.
8626 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8627 (MASK_COLDFIRE): Add MASK_CFV4E.
8628 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8629 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8630 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8631 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8632 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8633 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8634 * doc/invoke.tex: Document -mcfv4e on m68k.
8636 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8638 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8641 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8644 * c-opts.c (c_common_handle_option): Don't include
8645 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8646 * doc/invoke.texi (C++ Dialect Options): Document that
8647 -Wnon-virtual-dtor is no longer included in -Wall.
8649 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8651 * gcov.c (print_version), gcov-dump.c (print_version),
8652 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8655 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8657 * df-scan.c (problem_SCAN): Added NULL reset function.
8658 (df_scan_reset_blocks): Added code to call reset block function
8659 (df_bb_refs_delete) Fixed comment.
8660 (df_insn_refs_delete): Made tolerant of deleting non existent info
8661 for dataflow problems that need to be reset.
8662 * df-core.c (df_set_blocks): Ditto.
8663 * df.h (struct df_problem): Added reset_fun.
8664 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8665 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8666 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8667 functions to clear out all references to def-use or use-def chains.
8669 2006-01-21 Ben Elliston <bje@au.ibm.com>
8671 * varasm.c (assemble_real): Initialise data array.
8673 2006-01-20 Paul Brook <paul@codesourcery.com>
8675 Merge from csl-arm-branch.
8676 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8677 * config/arm/arm.md (movdi): Force operands[1] to a register
8678 if we have a non-register source.
8679 (*arm_movdi, *movdf_soft_insn): Require that one of the
8680 operands be a register.
8681 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8682 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8684 2006-01-20 DJ Delorie <dj@redhat.com>
8686 * varasm.c (initialize_constant_valid_p): Allow pointers
8687 initialized from integer constants of lesser precision.
8688 (output_constant): Allow non-int-sized pointer modes to be
8689 initialized from integer constants.
8691 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8694 * cppdefault.h (struct default_include): Add multilib flag.
8695 * cppdefault.c (cpp_include_defaults): Set it.
8696 * c.opt (-imultilib): New option.
8697 * c-opts.c (imultilib): New.
8698 (c_common_handle_option): Handle -imultilib.
8699 (c_common_post_options): Likewise.
8700 * c-incpath.c (add_standard_paths, register_include_chains):
8702 * c-incpath.h (register_include_chains): Add extra parameter.
8703 * gcc.c (do_spec_1): Generate -imultilib option.
8704 (The Specs Language): Update %I description.
8705 (process_command): Update copyright notice.
8706 * doc/cppopts.texi (-imultilib): Document.
8707 * doc/invoke.texi (-imultilib): Include in option summary.
8708 (%I): Update specs documentation.
8710 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8712 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8714 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8716 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8719 2006-01-20 Richard Guenther <rguenther@suse.de>
8720 Steven Bosscher <stevenb.gcc@gmail.com>
8722 PR rtl-optimization/24626
8723 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8724 EDGE_TRUE_VALUE if in RTL mode.
8727 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8728 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8730 2006-01-20 Dirk Mueller <dmueller@suse.com>
8733 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8734 instead of a special NOP marker.
8735 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8736 NOP marker handling.
8737 * c-common.h (empty_body_warning): Add forward declaration.
8738 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8739 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8741 2006-01-20 Paul Brook <paul@codesourcery.com>
8743 * Makefile.in (lang_checks): Keep going if mkdir fails.
8745 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8747 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8748 be able to clean out basic block when not necessary.
8749 (df_scan_free): Fixed to properly delete information if df is
8750 unused before calling df_finish.
8751 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8752 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8754 (df_bb_refs_delete): New function.
8755 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8756 * df-core.c (df_set_blocks): Added code to properly clean out
8757 unused blocks if they are not part of the blocks to consider.
8758 Added additional null check.
8759 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8760 be able to clean out basic block when not necessary
8761 * df.h (df_free_bb_function): Ditto.
8762 (df_bb_refs_delete): New function.
8763 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8764 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8765 basic block parameter to be able to clean out basic block when not
8767 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8768 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8769 Fixed to properly delete information if df is unused before
8772 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8774 PR rtl-optimization/25799
8775 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8776 Corrected confluence operator to remove bits from op2 before oring
8777 with op1 rather than removing bits from op1.
8778 (df_ru_transfer_function): Corrected test on wrong bitmap which
8779 caused infinite loop. Both of these problems were introduced in
8780 the dataflow rewrite.
8782 2006-01-19 DJ Delorie <dj@redhat.com>
8784 * reload1.c (find_reload_regs): Note the details of reload
8785 failures in the dump file.
8786 (spill_failure): Likewise.
8788 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8790 * loop-iv.c: Include df.h and hashtab.h.
8791 (enum iv_grd_result): New enum.
8792 (DF_REF_IV, DF_REF_IV_SET): New macros.
8793 (struct biv_entry): New.
8794 (df, bivs): New global variables.
8795 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8796 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8798 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8799 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8800 analyzed_for_bivness_p, record_biv): New functions.
8801 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8802 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8803 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8805 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8807 (iv_number_of_iterations): Use new interface to iv analysis.
8808 * loop-unroll.c: Do not include varray.h.
8809 (analyze_iv_to_split_insn): Use new interface to iv
8811 * loop-unswitch.c (may_unswitch_on): Ditto.
8812 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8814 (df_bb_modify): Realloc tables to the new index.
8815 (df_find_use): New function.
8816 * df.h (df_find_use): Declare.
8817 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8819 * cfgloop.h (struct rtx_iv): Remove analysed field.
8820 (iv_get_reaching_def): Removed.
8821 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8822 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8823 (loop-iv.o): Add df.h and hashtab.h dependency.
8824 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8826 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8829 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8831 (__floatundisf, __floatundidf): Likewise.
8832 * libgcc2.h (IS_IBM_EXTENDED): Define.
8834 2006-01-19 DJ Delorie <dj@redhat.com>
8836 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8838 2006-01-19 Paul Brook <paul@codesourcery.com>
8840 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8841 as nothrow when unwinding tables are disabled.
8843 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8846 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8847 of bit-field" when in system header.
8849 2006-01-19 DJ Delorie <dj@redhat.com>
8851 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8852 the 16 bit shift limit of the m16c.
8854 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8857 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8858 * config/i386/i386.c (output_set_got): Output the label if we have one
8859 for the TARGET_DEEP_BRANCH_PREDICTION case.
8861 2006-01-19 Jan Hubicka <jh@suse.cz>
8862 H.J. Lu <hongjiu.lu@intel.com>
8863 Evandro Menezes <evandro.menezes@amd.com>
8865 * invoke.texi (generic): Document
8867 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8868 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8869 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8870 (x86_use_incdec, x86_pad_returns): New variables
8871 (TARGET_CPU_DEFAULT_generic): New constant
8872 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8873 (enum processor_type): Add generic32 and generic64.
8874 * i386.md (cpu attribute): Add generic32/generic64
8875 (movhi splitter): Behave sanely when both partial_reg_dependency and
8876 partial_reg_stall are set.
8877 (K8 splitters): Enable for generic as well.
8878 * predicates.md (incdec_operand): Use TARGET_INCDEC
8879 (aligned_operand): Avoid memory mismatch stalls.
8880 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8881 * ppro.md: Enable for generic32
8882 * i386.c (generic64_cost, generic32_cost): New.
8883 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8884 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8885 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8886 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8887 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8888 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8889 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8890 x86_accumulate_outgoing_args, x86_prologue_using_move,
8891 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8892 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8894 (x86_use_incdec, x86_pad_returns): New.
8895 (override_options): Add generic32 and generic64, translate "generic"
8896 to generic32/generic64 and "i686" to "generic32", refuse
8897 "generic32"/"generic64" as arch target.
8898 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8899 (ix86_reorg): Honor PAD_RETURNS.
8901 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8903 * tree-pretty-print.c (dump_generic_node): Handle
8904 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8905 * cgraph.c (cgraph_expand_queue): Rename from
8906 cgraph_analyze_queue. Update all users.
8907 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8908 cgraph_expand_queue.
8909 (cgraph_expand_all_functions): Likewise.
8910 (cgraph_finalize_pending_functions): Remove. Update callers.
8912 * tree.h (OMP_DIRECTIVE_P): Define.
8913 (OMP_PARALLEL_FN): Define.
8914 (OMP_PARALLEL_DATA_ARG): Define.
8915 (OMP_SECTIONS_SECTIONS): Define.
8916 * tree-pass.h (pass_expand_omp): Declare.
8917 * omp-low.c (struct omp_region): Declare.
8918 (struct omp_context): Remove fields 'parallel_type',
8919 'parallel_start_ix' and 'parallel_start_additional_args'.
8921 (struct omp_for_data): Rename from struct expand_omp_for_data.
8922 (omp_regions): New static variable.
8923 (root_omp_region): New static variable.
8924 (find_omp_clause): Make static.
8925 (is_in_combined_parallel_ctx): Remove.
8926 (is_combined_parallel): New.
8927 (extract_omp_for_data): Move earlier in the file.
8928 (workshare_safe_to_combine_p): New.
8929 (get_ws_args_for): New.
8930 (determine_parallel_type): Move earlier in the file.
8931 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8933 (omp_copy_decl): Likewise.
8934 (create_omp_child_function): Likewise.
8935 (lookup_omp_region): New.
8936 (dump_omp_region): New.
8937 (debug_omp_region): New.
8938 (debug_all_omp_regions): New.
8939 (new_omp_region): New.
8940 (scan_omp_parallel): If parallel_nesting_level > 1, the
8941 directive is nested within another parallel directive.
8942 Set OMP_PARALLEL_FN.
8943 (scan_omp_for): Do not try to handle combined parallel+for
8945 Remove FIXME comment.
8946 (scan_omp_nested): Remove.
8947 (scan_omp_1): Do not call scan_omp_nested when
8948 parallel_nesting_level is > 1.
8949 Do not change the DECL_CONTEXT of local variables found.
8950 (lookup_decl_in_outer_ctx): New.
8951 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8952 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8953 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8954 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8955 If CTX is nested, lookup VAR in the outer context when
8956 building copy assignment.
8957 (lower_send_clauses): Rename from expand_send_clauses.
8958 If CTX is nested, lookup VAR in the outer context when
8959 building copy assignments.
8960 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8961 If CTX is nested, lookup VAR in the outer context when
8962 building copy assignments.
8963 (expand_parallel_call): Rename from build_parallel_call.
8964 Handle combined parallel+workshare cases.
8965 Re-implement to emit code into the CFG.
8967 (expand_omp_parallel): Re-implement to emit code into the CFG.
8968 Call move_sese_region_to_fn to outline the sub-graph
8969 containing the parallel region.
8970 (expand_omp_for_1): Remove.
8971 (expand_omp_for_generic): Re-implement to emit code into the
8973 (expand_omp_for_static_nochunk): Likewise.
8974 (expand_omp_for_static_chunk): Likewise.
8975 (expand_omp_for): Likewise.
8976 (expand_omp_sections): Likewise.
8977 (remove_exit_barriers): New.
8978 (expand_omp_synch): New.
8980 (build_omp_regions_1): New.
8981 (build_omp_regions): New.
8982 (execute_expand_omp): New.
8983 (gate_expand_omp): New.
8984 (pass_expand_omp): Define.
8985 (lower_omp_sections): Rename from expand_omp_sections.
8986 Set OMP_SECTIONS_SECTIONS.
8987 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8988 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8989 (lower_omp_single): Rename from expand_omp_simple.
8990 (lower_omp_master): Rename from expand_omp_master.
8991 (lower_omp_ordered): Rename from expand_omp_ordered.
8992 (lower_omp_critical): Rename from expand_omp_critical.
8993 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8994 (lower_omp_for): Re-implement.
8995 (lower_omp_parallel): Re-implement.
8996 (lower_regimplify): Rename from expand_regimplify.
8997 (lower_omp_1): Rename from expand_omp_1.
8998 If there are syntax errors in the program, replace every
8999 OpenMP directive with NOP.
9000 Call lower_omp_* instead of expand_omp_*.
9001 (lower_omp): Rename from expand_omp.
9003 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
9004 * tree-gimple.h (enum omp_parallel_type): Remove.
9005 (gimple_boolify): Declare extern.
9006 (find_omp_clause, determine_parallel_type): Remove.
9008 * gimple-low.c (lower_omp_directive): New.
9009 (lower_stmt): Call it.
9010 (record_vars_into): Move from ...
9011 (record_vars): ... here.
9012 Call record_vars_into with current_function_decl.
9014 * gimplify.c (struct gimplify_ctx): Remove fields
9015 combined_pre_p and combined_ctxp. Update users.
9016 (get_formal_tmp_var): Add documentation.
9017 (gimple_boolify): Make extern.
9018 (gimplify_expr_in_ctx): Remove. Update callers.
9019 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
9020 will always be a BIND_EXPR.
9021 (gimplify_expr): Handle OMP_RETURN_EXPR.
9022 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
9023 (OMP_PARALLEL): Add 3 operands.
9024 (OMP_SECTIONS): Add 1 operand.
9025 (OMP_RETURN_EXPR): Define.
9027 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
9028 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
9029 * tree-iterator.c (alloc_stmt_list): Assert that we are not
9030 creating a circular free list.
9031 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
9033 * tree-flow.h (move_sese_region_to_fn): Declare.
9034 (record_vars_into): Declare.
9035 * tree-cfg.c (make_omp_sections_edges): New.
9036 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
9037 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
9038 OMP_SECTIONS and OMP_SECTION.
9039 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
9040 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
9041 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
9042 (gather_blocks_in_sese_region): New.
9043 (struct move_stmt_d): Declare.
9045 (move_block_to_fn): New.
9046 (move_sese_region_to_fn): New.
9048 * passes.c (init_optimization_passes): Schedule
9049 pass_expand_omp after pass_init_datastructures.
9051 * tree-ssa-operands.c (get_expr_operands): Handle
9052 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
9053 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
9055 2006-01-19 Jeff Law <law@redhat.com>
9057 * tree-vrp.c (extract_range_from_assert): Refine the result range
9058 if the variable referenced by the ASSERT_EXPR has a range and
9059 either the tentative result range or the previous range is a
9062 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9064 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
9066 2006-01-19 Jan Hubicka <jh@suse.cz>
9068 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9070 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9072 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9073 (expand_compound_operation, expand_field_assignment): Fail if the
9074 bit lengths of an extract operation are out of range.
9075 (make_extraction): Compute wanted_inner_mode based on the position
9076 and length of the extraction. Make it extraction_mode for non-constant
9077 positions, and do not modify offset in that case. When generating a
9078 new MEM, use a mode that can hold the extraction while keeping correct
9079 alignment. Remove code that supported MEMs wrapped by USEs.
9080 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
9082 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
9084 * config/s390/s390.md ("Y", "y"): New mode attribute.
9085 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
9086 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
9087 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
9088 "*addsi3_imm_cc", "*addsi3_carry1_cc",
9089 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
9090 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
9091 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
9092 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
9093 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
9094 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
9095 "addsi3", "subsi3"): Insn patterns removed.
9096 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
9097 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
9098 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
9099 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
9100 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
9101 "*sub<mode>3_cconly2"): New insn patterns.
9102 ("addsi3", "subsi3"): New expanders.
9104 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
9106 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
9107 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
9108 existing STMT_VINFO_VECTYPE if available.
9109 (vect_mark_relevant): Add special handling for stmts that are
9110 marked as STMT_VINFO_IN_PATTERN_P.
9111 (vect_analyze_loop): Call vect_pattern_recog.
9112 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
9113 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
9115 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
9116 (vect_recog_func_ptr): New function-pointer type.
9117 * tree-vect-patterns.c: New file.
9118 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
9119 (vect_recog_dot_prod_pattern, vect_pattern_recog):
9120 (vect_pattern_recog_1): New functions.
9121 (vect_pattern_recog_funcs): New array of function pointers.
9123 * tree-vectorizer.h (ternary_op): New enum value.
9124 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
9125 declaration. Revised documentation. Removed redundant dump prints.
9126 Removed redundant argument. Added support for reduction patterns.
9127 (vectorizable_reduction): Added support for reduction patterns.
9128 (vect_transform_stmt): Added support for patterns.
9130 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
9131 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
9132 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
9133 (expand_widen_pattern_expr): New function.
9134 (init_optabs): Initialize new optabs udot_prod_optab,
9136 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
9137 (sdot_prod_optab, udot_prod_optab): Define new optabs.
9138 (expand_widen_pattern_expr): New function declaration.
9139 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
9141 * tree-inline.c (estimate_num_insns_1): Added cases for new
9142 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9143 * tree-pretty-print.c (dump_generic_node): Likewise.
9144 (op_prio): Likewise.
9145 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9146 * tree-ssa-operands.c (get_expr_operands): Added case for
9148 * tree-vect-patterns.c (widened_name_p): New function.
9149 (vect_recog_dot_prod_pattern): Added function implementation.
9150 * tree-vect-transform.c (get_initial_def_for_reduction): Added
9151 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
9152 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
9153 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
9155 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
9156 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
9157 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
9158 (init_optabs): Initialize new optabs widen_ssum_optab,
9160 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
9161 (widen_ssum_optab, widen_usum_optab): Define new optabs.
9162 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
9163 use instead of type of def.
9164 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
9165 function implementation.
9166 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
9167 widen_ssumv8hi): New.
9169 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
9172 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9175 * c-decl.c (add_flexible_array_elts_to_size): New function.
9176 (finish_decl): Use it.
9178 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
9180 * diagnostic.h: Include options.h.
9181 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
9182 dependancies for diagnostic.h.
9183 * Makefile.in (DIAGNOSTIC_H): Add options.h.
9185 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
9187 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
9188 (ssa_ro_call_cache_valid): Ditto.
9189 * tree-ssa-alias.c (sort_tags_by_id): New function.
9190 (init_transitive_clobber_worklist): Ditto.
9191 (add_to_worklist): Ditto.
9192 (mark_aliases_call_clobbered): Ditto.
9193 (compute_tag_properties): Ditto.
9194 (set_initial_properties): Ditto.
9195 (compute_call_clobbered): Ditto.
9196 (compute_may_aliases): Call compute_call_clobbered and grouping.
9197 (compute_flow_sensitive_aliasing): Remove clobbering related code.
9198 (compute_flow_insensitive_aliasing): Grouping now happens in our
9200 (setup_pointers_and_addressables): Remove clobbering related code.
9201 (add_may_alias): Ditto.
9202 (replace_may_alias): Ditto.
9203 (get_nmt_for): Ditto.
9204 (create_global_var):
9205 (is_escape_site): Return an escape_type enumeration.
9206 * tree-flow-inline.h (is_call_clobbered): Global var does not
9207 imply call clobbered.
9208 (mark_call_clobbered): Take a reason for marking this. Remove
9209 marking of globalness, and cache invalidation.
9210 (clear_call_clobbered): Remove cache invalidation code.
9211 * tree-dfa.c (dump_variable): If details is on, dump the reason
9213 * tree-outof-ssa.c (create_temp): Copy escape mask from original
9215 * tree-flow.h (struct ptr_info_def): Add escape mask member.
9216 (struct var_ann_d): Ditto.
9217 (enum escape_type): New.
9218 (mark_call_clobbered): Adjust prototype.
9219 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
9220 are never call clobbered.
9221 Record reasons for escaping.
9222 * tree-ssa-structalias.h (is_escape_site): Update prototype.
9223 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
9224 (ssa_ro_call_cache_valid): Ditto.
9225 (clobbered_v_may_defs): Ditto.
9226 (clobbered_vuses): Ditto.
9227 (ro_call_vuses): Ditto.
9228 (clobber_stats): New.
9229 (init_ssa_operands): Zero out clobber stats.
9230 (fini_ssa_operands): Print out clobber stats.
9231 (get_call_expr_operands): Pass callee fndecl to
9233 (add_call_clobber_ops): Remove use of cache.
9234 Add use of PURE_CONST information.
9235 (add_call_read_ops): Remove use of cache.
9236 Add use of static not_read information.
9238 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
9240 Introduce TLS descriptors for i386 and x86_64.
9241 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
9242 (TARGET_ANY_GNU_TLS): New macro.
9243 (enum tls_dialect): Added TLS_DIALECT_GNU2.
9244 (struct machine_function): Add tls_descriptor_call_expanded_p.
9245 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
9246 (ix86_current_function_calls_tls_descriptor): Likewise.
9247 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
9248 (override_options): Introduce gnu2 tls dialect.
9249 (ix86_frame_pointer_required): Functions containing TLSCALLs are
9251 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
9253 (legitimize_tls_address): Adjust logic for GNU2 TLS.
9254 (ix86_init_machine_status): Initialize new field.
9255 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
9256 (ix86_tls_module_base): New.
9257 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
9258 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
9259 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
9260 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
9261 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
9262 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
9263 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
9264 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
9265 * config/i386/predicates.md (tls_modbase_operand): New.
9266 (tp_or_register_operand): New.
9268 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
9270 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
9271 (look_for_address_of): Ditto.
9272 (ipa_init): Walk the function decls.
9273 (static_execute): Don't set readonly on FUNCTION_DECL's.
9275 2006-01-18 Roger Sayle <roger@eyesopen.com>
9277 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
9278 for shifts where the source and destination registers are different.
9280 2006-01-18 Paul Brook <paul@codesourcery.com>
9282 Merge from csl-arm-branch.
9283 2005-03-14 Julian Brown <julian@codesourcery.com>
9284 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
9285 (aeabi_llsl): Likewise.
9286 (ashrdi3): Likewise.
9287 (aeabi_lasr): Likewise.
9288 (lshrdi3): Likewise.
9289 (aeabi_llsr): Likewise.
9290 2005-03-10 Julian Brown <julian@codesourcery.com>
9291 * config.gcc: Disable shared libgcc for SymbianOS.
9292 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
9294 2006-01-18 DJ Delorie <dj@redhat.com>
9296 * c-pragma.c (handle_pragma_diagnostic): New.
9297 (init_pragma): Register it.
9298 * doc/extend.texi: Document it.
9300 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
9301 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
9302 (diagnostic_context): Add classify_diagnostic[].
9303 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
9304 as errors if they're overridden to DK_WARNING.
9305 (diagnostic_initialize): Initialize classify_diagnostic[].
9306 (diagnostic_set_kind_override): New.
9307 (diagnostic_report_diagnostic): Check for kind changes.
9308 * opts.c (common_handle_option): Take lang_mask. Update callers.
9310 * common.opt (Werror=): New.
9311 * doc/invoke.texi: Document -Werror=*
9313 2006-01-18 Jeff Law <law@redhat.com>
9315 * tree-vrp.c (test_for_singularity): Correct test for new
9316 min limit. Use operand_equal_p rather than pointer equality
9317 for testing if new min/max values are equal.
9319 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
9320 using range information until after propagation and folding.
9322 2006-01-18 Richard Henderson <rth@redhat.com>
9323 Aldy Hernandez <aldyh@redhat.com>
9324 Jakub Jelinek <jakub@redhat.com>
9325 Diego Novillo <dnovillo@redhat.com>
9327 * omp-low.c: New file.
9328 * c-omp.c: New file.
9330 2006-01-18 Richard Henderson <rth@redhat.com>
9331 Jakub Jelinek <jakub@redhat.com>
9332 Diego Novillo <dnovillo@redhat.com>
9334 * doc/invoke.texi: Document -fopenmp.
9335 * tree-dump.h (debug_function): Declare.
9336 * hooks.c (hook_bool_tree_bool_false): New function.
9337 (hook_tree_tree_null): Remove.
9338 (hook_tree_tree_tree_null): New.
9339 * hooks.h: Update to match.
9340 * tree-pretty-print.c (debug_tree_chain): New.
9341 (print_generic_expr): Handle TDF_CHAIN.
9342 (dump_generic_node): Handle BLOCK.
9343 Do not abort with incomplete SWITCH_EXPRs.
9344 Do not dump body of an OpenMP directive if TDF_SLIM is given.
9345 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
9346 print space after directive name.
9347 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
9348 Handle OMP_MASTER and OMP_ORDERED.
9349 Handle printing of OMP_BODY just in one place, goto
9350 dump_omp_body in the rest of OMP_* nodes that have
9352 Don't handle clause nodes here. Update omp statements to
9353 use dump_omp_clauses.
9354 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
9355 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
9356 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
9357 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
9358 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
9359 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
9360 Adjust output for GOMP_PARALLEL.
9361 (dump_omp_clauses): New.
9362 (print_declaration): Dump DECL_VALUE_EXPR.
9363 (op_symbol_1): Split out of op_symbol.
9364 (dumping_stmts): Remove. Update all users.
9365 * cgraph.c (cgraph_analyze_queue): New.
9366 (cgraph_add_new_function): New.
9367 * cgraph.h (cgraph_analyze_queue): Declare.
9368 (cgraph_add_new_function): Declare.
9369 (cgraph_lower_function): Remove.
9370 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
9371 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
9372 and TYPE_P nodes in its default clause.
9373 (empty_body_p): New.
9374 (tree_range_check_failed): New.
9376 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
9377 OMP_CLAUSE_REDUCTION_MERGE,
9378 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
9379 OMP_CLAUSE_PRIVATE_DEBUG,
9380 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
9381 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
9382 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
9383 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
9384 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
9385 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
9386 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
9387 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
9388 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
9389 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
9390 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
9391 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
9392 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
9393 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
9394 (TREE_RANGE_CHECK): New.
9395 (empty_body_p): Declare.
9396 (enum omp_clause_default_kind): New.
9397 (build_string_literal): Declare.
9398 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
9399 (build5_stat, build5): Declare.
9400 * tree-pass.h (TDF_CHAIN): Define.
9401 * tree-pass.h (PROP_gimple_lomp): Define.
9402 (pass_lower_omp): Declare.
9403 * diagnostic.h (debug_tree_chain): Declare.
9404 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
9406 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
9407 * builtins.c (build_string_literal): Make extern.
9408 * gcc.c (include_spec_function): New.
9409 (static_spec_functions): Add it.
9410 (main): Move load of libgomp.spec ...
9411 (LINK_COMMAND_SPEC): ... here.
9412 (link_gomp_spec): New.
9413 (static_specs): Include it.
9414 (LINK_COMMAND_SPEC): Add link_gomp.
9415 (GOMP_SELF_SPECS): New.
9416 (driver_self_specs): Include it.
9417 (switch_matches): Don't mark inline.
9418 (main): Load libgomp.spec.
9419 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9420 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9421 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9422 * tree-gimple.h (enum omp_parallel): Declare.
9423 (determine_parallel_type): Declare.
9424 (omp_firstprivatize_variable): Declare.
9425 (omp_reduction_init): Declare.
9426 (diagnose_omp_structured_block_errors): Declare.
9427 (struct walk_stmt_info): Add want_return_expr.
9428 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9429 (find_omp_clause): Declare.
9430 (insert_field_into_struct): Declare.
9431 (struct walk_stmt_info): Move from tree-nested.c
9432 (walk_stmts): Declare.
9433 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9435 * cgraphunit.c (cgraph_lower_function): Make static.
9436 (cgraph_finalize_pending_functions): New.
9437 (cgraph_finalize_function): Call it.
9438 (cgraph_finalize_compilation_unit): Likewise.
9439 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9440 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9441 (BT_FN_UINT_UINT): New.
9442 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9443 DEF_FUNCTION_TYPE_VAR_4): Document.
9444 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9445 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9446 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9447 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9448 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9449 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9450 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9451 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9452 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9453 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9454 into separate files.
9455 (DEF_GOMP_BUILTIN): New.
9456 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9457 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9458 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9459 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9460 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9461 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9462 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9463 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9464 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9465 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9466 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9467 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9468 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9469 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9470 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9471 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9472 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9473 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9474 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9475 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9476 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9477 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9478 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9479 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9480 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9481 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9482 * sync-builtins.def: New file, moved from builtins.def.
9483 * omp-builtins.def: New file, moved from builtins.def.
9484 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9485 * gimple-low.c (lower_function_body): Clear data.
9486 (lower_stmt): Do not handle COMPOUND_EXPR.
9487 Remove call to print_node_brief.
9488 * c-tree.h (c_finish_omp_clauses): New prototype.
9489 (C_DECL_THREADPRIVATE_P): Define.
9490 (lookup_name_no_remap, c_omp_remap_private): Remove
9491 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9492 (check_for_loop_decls): Update decl.
9493 (lookup_name_no_remap, c_omp_remap_private): Declare.
9494 (build_indirect_ref, build_modify_expr, pushdecl,
9495 pushdecl_top_level): Move to c-common.h.
9496 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9497 before the switch, but just in the 2 places that need it.
9498 * c-decl.c (diagnose_mismatched_decls): Do not check for
9499 mismatched thread-local attributes when OLDDECL is marked
9500 threadprivate and NEWDECL has no thread-local attributes.
9501 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9502 (c_gimple_diagnostics_recursively): Rename from
9503 c_warn_unused_result_recursively. Invoke
9504 diagnose_omp_structured_block_errors.
9505 (check_for_loop_decls): Return a singular decl found.
9506 * langhooks.c (lhd_omp_predetermined_sharing): Return
9507 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
9508 (lhd_omp_firstprivatize_type_sizes): New.
9509 (lhd_omp_assignment): New.
9510 (lhd_omp_predetermined_sharing): New.
9511 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
9512 (struct lang_hooks_for_types): Add
9513 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
9514 omp_predetermined_sharing, omp_disregard_value_expr,
9515 omp_private_debug_clause, omp_clause_default_ctor,
9516 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
9517 (c_finish_omp_clauses): New.
9518 (c_finish_bc_stmt): Diagnose break within omp for.
9519 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9520 (build_unary_op): Return error_mark after reporting
9522 (build_modify_expr): Likewise.
9523 * gimplify.c: Include optabs.h and pointer-set.h.
9524 (enum gimplify_omp_var_data): Declare.
9525 (struct gimplify_omp_ctx): Declare.
9526 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9528 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9529 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9530 (splay_tree_compare_decl_uid): New.
9531 (new_omp_context): New.
9532 (delete_omp_context): New.
9533 (gimple_add_tmp_var): Call omp_add_variable.
9534 (gimplify_bind_expr): Likewise.
9535 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9536 true, disregard DECL_VALUE_EXPR on the decl if any.
9537 (gimplify_expr_in_ctx): New.
9538 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9539 omp_add_variable, omp_notice_variable, omp_is_private
9540 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9541 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9542 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9543 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9544 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9545 gimplify_omp_atomic): New.
9546 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9547 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9548 OMP_CRITICAL and OMP_ATOMIC.
9549 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9550 * c-pragma.h (enum pragma_kind): Add
9551 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9552 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9553 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9554 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9555 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9556 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9557 PRAGMA_OMP_THREADPRIVATE.
9558 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9559 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9560 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9561 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9562 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9563 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9564 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9565 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9566 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9567 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9568 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9569 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9570 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9572 (struct nesting_info): Add field_map,
9573 suppress_expansion, debug_var_chain.
9574 (create_nesting_tree): Initialize them.
9575 (lookup_field_for_decl): Use field_map.
9576 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9577 (convert_local_omp_clauses): New.
9578 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9579 (walk_body): Split out of walk_function.
9580 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9581 (convert_nonlocal_reference): Handle omp statements.
9582 (convert_local_reference): Likewise.
9583 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9584 (unnest_nesting_tree): New.
9585 (lower_nested_functions): Call it.
9586 (insert_field_into_struct): Make extern.
9587 (struct walk_stmt_info): Move to tree-gimple.h.
9588 (walk_stmts): Make extern.
9589 * omp-builtins.def: New file.
9590 * tree-iterator.c (expr_only): Clarify comment.
9591 * c-common.h (pushdecl_top_level, pushdecl,
9592 build_modify_expr, build_indirect_ref,
9593 c_finish_omp_master, c_finish_omp_critical,
9594 c_finish_omp_ordered, c_finish_omp_barrier,
9595 c_finish_omp_atomic, c_finish_omp_flush,
9596 c_finish_omp_for, c_split_parallel_clauses,
9597 omp_clause_default_kind, c_omp_sharing_predetermined,
9598 c_omp_remap_decl): Declare.
9599 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9600 (OBJS-common): Add omp-low.o.
9601 (c-omp.o, omp-low.o): Add.
9602 (gimplify.o): Add dependency on $(OPTABS_H).
9603 (GTFILES): Add omp-low.c.
9604 (gt-stringpool.h): Add.
9605 * tree-cfg.c (set_bb_for_stmt): Do not update the
9606 block-to-labels map if we are currently expanding to RTL.
9607 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9609 Handle IDENTIFIER_NODE.
9610 (tree_verify_flow_info): Do not ICE when emitting error
9611 messages about invalid labels.
9612 (dump_function_to_file): Reset CFUN before emitting the body
9614 (debug_function): New.
9615 * passes.c (init_optimization_passes): Schedule
9617 * langhooks-def.h (lhd_omp_predetermined_sharing,
9618 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9620 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9621 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9622 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9623 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9624 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9625 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9626 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9627 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9628 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9629 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9630 (LANG_HOOK_DECLS): Use them.
9632 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9633 Richard Henderson <rth@redhat.com>
9634 Jakub Jelinek <jakub@redhat.com>
9635 Diego Novillo <dnovillo@redhat.com>
9637 * c-parser.c (pragma_omp_clause): Define.
9638 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9639 (c_parser_compound_statement): Likewise.
9640 (c_parser_statement): Likewise.
9641 (c_parser_pragma): Handle omp pragmas.
9642 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9643 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9644 (c_parser_omp_clause_name, check_no_duplicate_clause,
9645 c_parser_omp_variable_list,
9646 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9647 c_parser_omp_clause_copyprivate,
9648 c_parser_omp_clause_default,
9649 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9650 c_parser_omp_clause_lastprivate,
9651 c_parser_omp_clause_nowait,
9652 c_parser_omp_clause_num_threads,
9653 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9654 c_parser_omp_clause_reduction,
9655 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9656 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9657 c_parser_omp_atomic, c_parser_omp_barrier,
9658 c_parser_omp_critical, c_parser_omp_flush,
9659 c_parser_omp_for_loop, c_parser_omp_for,
9660 c_parser_omp_master, c_parser_omp_ordered,
9661 c_parser_omp_sections_scope, c_parser_omp_sections,
9662 c_parser_omp_parallel, c_parser_omp_single,
9663 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9664 * c-pragma.c (init_pragma): Do omp pragma registration here.
9665 * c.opt (fopenmp): New flag.
9667 2006-01-18 Eric Christopher <echristo@apple.com>
9669 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9670 * config/darwin.h (GOMP_SELF_SPECS): Define.
9672 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9674 * rtl.h: Remove the prototype for reg_alloc.
9676 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9679 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9680 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9681 sjlj and dwarf2 exception handling.
9682 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9683 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9684 * pa/pa.c (function_value): Treat complex and vector types as
9686 (function_arg): Likewise. Only pass scalar floats in the floating
9687 point argument registers.
9688 * pa/t-slibgcc-dwarf-ver: New file.
9689 * pa/t-slibgcc-sjlj-ver: New file.
9690 * pa/t-slibgcc-elf-ver: Delete file.
9692 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9694 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9695 unlikely_test_section_p test.
9697 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9699 * mode-switching.c (optimize_mode_switching): Make it static.
9700 * basic-block.h: Remove the prototype for
9701 optimize_mode_switching.
9703 * modulo-sched.c (sms_schedule): Make it static.
9704 * rtl.h: Remove the prototype for sms_schedule.
9706 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9707 * rtl.h: Remove the prototype for gcse_after_reload_main.
9709 * reg-stack.c (reg_to_stack): Make it static.
9710 * rtl.h: Remove the prototype for reg_to_stack.
9712 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9714 * rtl.h: Remove the prototypes for regrename_optimize and
9715 copyprop_hardreg_forward.
9717 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9719 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9720 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9721 Test against the appropriate null constant for the mode.
9722 If 'fixup_overlap' is true, swap the operands if they overlap.
9723 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9724 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9725 alpha_split_tmode_pair and adjust for above change.
9726 * config/alpha/alpha.md (movtf_internal): Adjust call to
9727 alpha_split_tfmode_pair and rely on it to swap the operands.
9728 (movti_internal): New insn and post-reload splitter.
9729 (movti): New expander.
9731 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9733 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9736 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9738 * rtlanal.c (global_reg_mentioned_p_1,
9739 global_reg_mentioned_p): Remove.
9740 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9742 * flow.c (initialize_uninitialized_subregs): Make it static.
9743 * rtl.h: Remove the prototype for
9744 initialize_uninitialized_subregs.
9746 * function.c (instantiate_virtual_regs): Make it static.
9747 * function.h: Remove the prototype for
9748 instantiate_virtual_regs.
9750 * regmove.c (regmove_optimize, combine_stack_adjustments):
9752 * rtl.h: Remove the prototypes for regmove_optimize and
9753 combine_stack_adjustments.
9755 2006-01-17 Roger Sayle <roger@eyesopen.com>
9757 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9758 (size_cost): Encode costs in bytes so that a reg-reg addition is
9759 equivalent to COSTS_N_INSNS(1).
9760 (override_options): Use the size_cost.branch_cost as the default
9761 ix86_branch_cost when optimizing for size.
9763 2006-01-18 Ben Elliston <bje@au.ibm.com>
9765 * Makefile.in (D32PBIT_FUNCS): New.
9766 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9767 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9768 D64PBIT_FUNCS and D128PBIT_FUNCS.
9769 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9770 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9772 (decnumber_dep): Define.
9773 * doc/libgcc.texi (Decimal float library routines): New node.
9774 * config/dfp-bit.h, config/dfp-bit.c: New files.
9776 2006-01-18 Ben Elliston <bje@au.ibm.com>
9778 * expr.c (emit_move_change_mode): Always adjust addresses, not
9779 just during reload. Copy replacements only during reload.
9780 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9781 emit_move_via_integer.
9783 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9785 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9786 instead of $(srcdir) and ${srcdir}.
9788 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9792 * arm.h (struct machine_function): Add pic_reg.
9793 * arm.c (arm_pic_register): Make unsigned.
9794 (arm_override_options): Only set arm_pic_register if
9795 TARGET_SINGLE_PIC_BASE.
9796 (use_return_insn): Only test for a pic register if it is fixed.
9797 (arm_compute_save_reg0_reg12_mask): Likewise.
9798 (thumb_compute_save_reg_mask): Likewise.
9799 (legitimate_pic_operand): Factor out some known invariants.
9800 (legitimize_pic_address): If we don't have a fixed pic register,
9801 then set up a pseudo in the function entry sequence. Handle the
9802 pic base being in a pseudo.
9803 (arm_load_pic_register): Handle the pic register being in a pseudo.
9804 (arm_expand_prologue): Only set up the pic register if it is fixed.
9805 (thumb_expand_prologue): Likewise.
9806 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9807 (pic_load_addr_based_insn): Likewise.
9808 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9811 2006-01-18 Ben Elliston <bje@au.ibm.com>
9813 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9814 decimal float modes for all floating point registers.
9816 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9817 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9819 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9822 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9823 even when the pointer is not NULL.
9825 2006-01-16 Ian Lance Taylor <ian@airs.com>
9827 * common.opt (ftoplevel-reorder): New option.
9828 * cgraph.c (cgraph_asm_nodes): New global variable.
9829 (cgraph_asm_last_node): New static variable.
9830 (cgraph_order): New global variable.
9831 (cgraph_create_node): Set new order field.
9832 (cgraph_varpool_node): Likewise.
9833 (decide_is_variable_needed): Return true if not
9834 flag_toplevel_reorder.
9835 (cgraph_add_asm_node): New function.
9836 * cgraph.h (struct cgraph_node): Add order field.
9837 (struct cgraph_varpool_node): Add order field.
9838 (struct cgraph_asm_node): Define.
9839 (cgraph_asm_nodes, cgraph_order): Declare.
9840 (cgraph_add_asm_node): Declare.
9841 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9843 (cgraph_varpool_assemble_pending_decls): Call it.
9844 (cgraph_output_pending_asms): New static function.
9845 (cgraph_finalize_compilation_unit): Call it.
9846 (struct cgraph_order_sort): Define.
9847 (cgraph_output_in_order): New static function.
9848 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9849 !flag_toplevel_reorder case.
9850 * c-parser.c: Include "cgraph.h".
9851 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9853 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9854 than -fno-unit-at-a-time.
9855 * doc/invoke.texi (Option Summary): Mention
9856 -fno-toplevel-reorder.
9857 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9858 -funit-at-a-time documentation.
9860 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9861 Kazu Hirata <kazu@codesourcery.com>
9863 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9865 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9867 * Makefile.in (FUNCTION_H): New. Use it instead of
9868 function.h throughout the file.
9869 * function.h: Include tree.h.
9871 2006-01-17 Ben Elliston <bje@au.ibm.com>
9873 * recog.c: Separate some functions with whitespace.
9875 2006-01-16 Richard Henderson <rth@redhat.com>
9877 Merge from gomp branch:
9878 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9879 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9880 and rename from struct inline_data. Rename callee* to dst*;
9881 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9882 transform_new_cfg, transform_return_to_modify, and
9883 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9885 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9886 (copy_decl_for_dup): Remove.
9887 * tree-inline.c (struct inline_data): Move to header.
9888 (insert_decl_map): Export.
9889 (remap_decl): Update for member name changes. Use copy_decl hook.
9890 Allow for replacement to be a non-decl. Remove dead code.
9891 (remap_type_1): Check for existing mapping.
9892 (remap_type): Export.
9893 (remap_decls): Update for member name changes.
9894 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9895 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9896 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9897 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9898 (tree_function_versioning, build_duplicate_type): Likewise.
9899 (copy_body_r): Likewise. Export.
9900 (copy_decl_for_dup): Split into ...
9901 (copy_decl_for_dup_finish, copy_decl_to_var,
9902 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9903 (replace_ref_tree, inlining_p): Remove.
9905 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9907 * ifcvt.c (if_convert): Make it static.
9908 * rtl.h: Remove the prototype for if_convert.
9910 * local-alloc.c (local_alloc): Make it static.
9911 * rtl.h: Remove the prototype for local_alloc.
9913 * loop.c (loop_optimize): Make it static.
9914 * cfgloop.h: Remove the prototype for loop_optimize.
9917 2006-01-16 DJ Delorie <dj@redhat.com>
9919 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9922 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9924 * pa.md: Disparage copies between general and floating-point registers
9925 in 32-bit move patterns.
9927 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9930 * Makefile.in (check-%): Depend on site.exp instead of
9931 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9934 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9936 * global.c (global_alloc): Make it static.
9937 * rtl.h: Remove the prototype for global_alloc.
9939 2006-01-16 Richard Guenther <rguenther@suse.de>
9941 * tree-ssa-alias.c (struct used_part): Add write_only field.
9942 (get_or_create_used_part_for): Initialize it to true.
9943 (create_overlap_variables_for): Don't create structure variables
9944 for structures that only are written to.
9945 (find_used_portions): Handle MODIFY_EXPR to track whether a
9946 structure is only written to.
9948 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9950 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9952 * basic-block.h: Remove the prototype for
9953 partition_hot_cold_basic_blocks.
9955 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9957 * cppspec.c (lang_specific_spec_functions): Remove.
9958 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9959 * gcc.h (lang_specific_spec_functions): Remove.
9960 * gccspec.c (lang_specific_spec_functions): Remove.
9962 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9964 * combine.c (record_value_for_reg): Invalidate registers
9966 (record_dead_and_set_regs_1): Likewise, by passing them to
9967 record_value_for_reg.
9968 (record_dead_and_set_regs): Invalidate stores made by a
9969 call. We do not combine across a call, but we still
9970 relied on equivalences.
9972 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9974 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9975 vrp_int_const_binop returning non-constant nodes.
9977 2006-01-16 Paul Brook <paul@codesourcery.com>
9979 * config/m68k/m68k.c (output_move_const_into_data_reg):
9980 Output correct mnemonic for mvz and mvs.
9982 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9984 * rtl-factoring.c: Add sequence abstraction algorithm.
9985 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9986 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9988 (block_has_preserve_label): New function.
9989 * common.opt: Register new pass.
9990 * Makefile.in: Ditto.
9992 * timevar.def: Ditto.
9993 * tree-pass.h: Ditto.
9994 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9995 * rtl.h (make_jump_insn_raw): Add forward decl.
9996 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9998 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9999 Roger Sayle <roger@eyesopen.com>
10001 * fold-const.c (fold_minmax): New static function.
10002 (fold_binary) <MIN_EXPR>: Call it.
10003 <MAX_EXPR>: Likewise.
10004 * stor-layout.c (place_field): Use DECL_SIZE consistently
10005 in the computation of the new record size.
10007 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10009 * cse.c (cse_condition_code_reg): Make it static.
10010 * rtl.h: Remove the prototype for cse_condition_code_reg.
10012 * combine.c (combine_instructions): Make it static.
10013 * rtl.h: Remove the prototype for combine_instructions.
10015 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10018 * tree.c (get_file_function_name_long): Concatenate the first global
10019 object name with a string derived from the input filename of the object
10022 2006-01-16 Ben Elliston <bje@au.ibm.com>
10024 * config/i386/winnt-stubs.c: Update FSF address.
10025 * config/xtensa/ieee754-df.S: Ditto.
10026 * config/xtensa/ieee754-sf.S: Ditto.
10028 2006-01-14 Ian Lance Taylor <ian@airs.com>
10030 * ifcvt.c (noce_init_if_info): New static function, broken out of
10031 noce_process_if_block.
10032 (noce_process_if_block): Call noce_init_if_info.
10033 (check_cond_move_block): New static function.
10034 (cond_move_process_if_block): New static function.
10035 (process_if_block): Call cond_move_process_if_block.
10037 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
10039 * cselib.c (hash_table): Rename to cselib_hash_table.
10040 (cselib_clear_table, discard_useless_values,
10041 remove_useless_values, cselib_lookup_mem, cselib_lookup,
10042 cselib_init, cselib_finish): Adjust uses of hash_table.
10044 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
10046 PR tree-optimization/25485
10047 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
10048 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
10049 is known to be false and true, respectively.
10051 2006-01-14 Richard Guenther <rguenther@suse.de>
10053 PR tree-optimization/22548
10054 PR tree-optimization/22555
10055 PR tree-optimization/22501
10056 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
10057 * params.def (salias-max-array-elements): New parameter.
10058 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
10059 * doc/invoke.texi (salias-max-array-elements): Document.
10060 * tree-flow-inline.h (var_can_have_subvars): We also handle
10062 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
10064 * tree-ssa-structalias.c (params.h): Include.
10065 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
10066 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
10067 (get_constraint_for): For ADDR_EXPR operating on something
10068 containing an ARRAY_REF, add all subvars to the solution.
10069 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10070 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10071 for creating MUST_DEFs.
10072 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10074 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10076 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
10078 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10079 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10080 number_of_iterations_le): New functions.
10081 (number_of_iterations_special): Removed.
10082 (number_of_iterations_exit): Do not use number_of_iterations_special.
10083 * tree.c (unsigned_type_for): Always return integer type.
10085 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
10086 Richard Guenther <rguenther@suse.de>
10088 PR rtl-optimization/24257
10089 * gcse.c (find_moveable_store): Only consider a store movable
10090 when the SET_SRC of the insn can be assigned to a register.
10092 2006-01-14 Ian Lance Taylor <ian@airs.com>
10094 * tree.c (tree_not_class_check_failed): New function.
10095 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
10096 (tree_not_class_check_failed): Declare.
10098 2006-01-13 Ian Lance Taylor <ian@airs.com>
10100 * reload1.c (do_output_reload): Add assertion rejecting a
10103 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
10105 * combine.c (struct reg_stat): Add new fields truncation_label and
10107 (record_value_for_reg): Reset truncated_to_mode.
10108 (record_truncated_value): New function.
10109 (check_promoted_subreg): Call it. Rename to check_conversions.
10110 (combine_instructions): Rename check_promoted_subreg to
10112 (reg_truncated_to_mode): New function.
10113 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
10114 (gen_lowpart_or_truncate): New function.
10115 (force_to_mode): Use it instead of gen_lowpart.
10117 2006-01-13 Diego Novillo <dnovillo@redhat.com>
10119 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
10120 VAR is a tag, not its type tag.
10122 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
10124 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
10125 alternatives to match style of other entries.
10126 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
10128 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
10130 PR tree-optimization/25771
10131 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
10134 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
10137 * tree-inline.c (declare_return_variable): If the return variable
10138 was marked as a non gimple complex, set the return slot variable
10139 to be a non gimple comple variable.
10141 2006-01-13 Richard Guenther <rguenther@suse.de>
10143 * builtins.c (expand_builtin_sincos): New function.
10144 (expand_builtin_mathfn_3): Remove dead code, sin and cos
10146 (expand_builtin): Expand sincos using expand_builtin_sincos.
10148 2006-01-12 DJ Delorie <dj@redhat.com>
10150 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
10151 shift counts, separate SI shifts for m32c vs m16c, pass shift type
10152 so that constant shifts can be split.
10153 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
10154 (m32c_valid_pointer_mode): Make static.
10155 (shift_gen_func_for): New.
10156 (m32c_prepare_shift): Use it. Split large const shifts into
10158 * config/m32c/predicates.md (shiftcount_operand): Allow more
10160 (longshiftcount_operand): New.
10161 * doc/md.texi (Machine Constraints): Document In6.
10163 2006-01-13 Ben Elliston <bje@au.ibm.com>
10165 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
10166 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
10169 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
10171 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
10172 to try to avoid clobbering pieces of structures when we know
10173 something about the whole structure.
10174 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
10176 2006-01-13 Ben Elliston <bje@au.ibm.com>
10178 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
10179 return in memory, as this is no limitation is no longer present.
10181 2006-01-12 DJ Delorie <dj@redhat.com>
10183 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
10184 mova with fb, and for fb+0 -> An.
10186 * config/m32c/mov.md (peephole2): Fix enabling logic.
10188 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10189 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
10190 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
10191 FINI_ARRAY_SECTION_ASM_OP): Define.
10193 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
10195 (m32c_legitimize_reload_address): New logic to reload FB to An.
10196 (m32c_output_reg_push): Add newline.
10197 (m32c_output_reg_pop): Likewise.
10199 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
10201 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
10203 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
10205 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
10207 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10209 * config/sh/predicates.md (sh_rep_vec): Add parallel to
10212 2006-01-11 Ben Elliston <bje@au.ibm.com>
10214 * rtlanal.c (find_reg_note): Assert insn is not null.
10216 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10218 * df-scan.c (df_hard_reg_init): Move declaration of i outside
10221 2006-01-11 Jeff Law <law@redhat.com>
10223 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
10225 (mark_threaded_blocks, register_jump_thread): New functions.
10226 (thread_through_all_blocks): Remove unwanted argument. No
10227 longer rely on e->aux to communicate thread target info.
10228 Call mark_threaded_blocks. Release the threaded_blocks
10229 bitmap and threaded_edges vector when complete.
10230 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
10231 (threaded_blocks): Remove.
10232 (tree_ssa_dominator_optimize): Remove initialization and
10233 finalization of threaded_blocks. Simplify call to
10234 thread_through_all_blocks.
10235 (thread_across_edge): Call register_jump_thread rather than
10236 storing thread information into e->aux.
10237 (free_all_edge_infos): Simplify now that e->aux is no longer
10238 used to communicate with thread_through_all_blocks.
10239 * tree-flow.h (thread_through_all_blocks): Update prototype.
10240 (register_jump_thread): Prototype.
10242 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10244 * df-core.c (df_compact_blocks, df_bb_replace): Use
10245 SET_BASIC_BLOCK instead of BASIC_BLOCK.
10247 2006-01-11 Richard Guenther <rguenther@suse.de>
10249 PR tree-optimization/25734
10250 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
10251 stop propagation after successful propagation to the LHS.
10253 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10255 * basic-block.h (control_flow_graph): Change the type of
10256 x_basic_block_info to VEC(basic_block,gc) *.
10257 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
10259 (SET_BASIC_BLOCK): New.
10260 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
10261 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
10262 * cfgbuild.c (find_basic_blocks): Likewise.
10263 * cfglayout.c (fixup_reorder_chain): Likewise.
10264 * cfgrtl.c (create_basic_block_structure,
10265 rtl_create_basic_block): Likewise.
10266 * ifcvt.c (find_if_case_1): Likewise.
10267 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
10270 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10272 * Makefile.in: Removed rotted odf.c entry.
10274 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
10277 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
10278 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
10279 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
10280 output pattern modifier, not %e.
10281 * config/cris/cris.c (cris_op_str): Update comment about pattern
10283 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
10284 before falling through into...
10285 <case 'E'>: Redefined from old 'e' case.
10287 2006-01-11 Jan Hubicka <jh@suse.cz>
10290 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
10292 2006-01-11 Jan Hubicka <jh@suse.cz>
10294 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
10295 * i386.c (x86_decompose_lea): Kill.
10296 (ix86_rtx_costs): Kill.
10298 2006-01-11 Jan Hubicka <jh@suse.cz>
10300 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
10301 * cgraph.h (cgraph_node): Add inline_decl.
10302 (cgraph_insert_node_to_hashtable): Declare.
10303 (save_inline_function_body): Declare.
10304 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
10306 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
10307 (cgraph_function_versioning): Update call of tree_function_versioning.
10308 (save_inline_function_body): New function.
10309 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
10310 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
10311 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
10312 (cgraph_default_inline_p): Likewise.
10313 (cgraph_decide_inlining_incrementally): Likewise.
10314 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
10315 (copy_bb): Kill saving; do updating of clones.
10316 (copy_cfg_body): Kill saving.
10317 (initialize_inlined-parameters): Likewise.
10318 (expand_call_inline): Likewise.
10320 (tree_function_versioning): New parameter "update_clones".
10321 (inlining_p): Kill saving.
10322 * tree-inline.h (tree_function_versioning): Update prototype.
10323 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
10326 2006-01-11 Ian Lance Taylor <ian@airs.com>
10328 * combine.c (struct undo): Remove is_int. Enumify types of undos.
10329 Allow undoing set of machine mode.
10330 (do_SUBST): Use enums instead of is_int.
10331 (do_SUBST_MODE): New function.
10332 (SUBST_MODE): New macro.
10333 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
10334 reg and trying to replace reg_regno_rtx with a new register.
10335 (undo_all): Use new enums, handle undoing a PUT_MODE change.
10336 (simplify_set): Use SUBST_MODE.
10337 (distribute_notes): Remove code that tried to update reg notes
10338 for regno_reg_rtx changes.
10340 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
10342 PR tree-optimization/23109
10343 PR tree-optimization/23948
10344 PR tree-optimization/24123
10346 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
10347 * tree-cfg.c (single_noncomplex_succ): New.
10348 * tree-flow.h (single_noncomplex_succ): Declare it.
10349 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10350 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10351 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
10352 insert_bb, register_division_in, insert_reciprocals,
10353 replace_reciprocal, free_bb): New.
10354 (execute_cse_reciprocals_1): Rewritten.
10355 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
10356 Do not commit any edge insertion. Always compute dominators and
10357 create the allocation pool.
10358 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
10359 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
10360 * targhooks.c (default_min_divistions_for_recip_mul): New.
10361 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
10362 * passes.c (init_optimization_passes): Run recip after tree loop
10364 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
10366 2006-01-11 Danny Berlin <dberlin@dberlin.org>
10367 Kenneth Zadeck <zadeck@naturalbridge.com>
10369 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
10370 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
10371 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
10372 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
10373 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
10374 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
10375 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
10376 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
10377 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
10378 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
10379 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
10380 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
10381 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
10382 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
10383 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
10384 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
10385 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
10386 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
10387 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
10388 DF_SCAN_POST_ALLOC): New macros.
10389 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
10390 df_free_bb_function, df_local_compute_function, df_init_function,
10391 df_dataflow_function, df_confluence_function_0,
10392 df_confluence_function_n, df_transfer_function,
10393 df_finalizer_function, df_free_function, df_dump_problem_function,
10394 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
10395 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
10396 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
10397 df_urec_bb_info, ) New types.
10398 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
10400 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
10401 df_analyze_simple_change_some_blocks,
10402 df_analyze_simple_change_one_block, df_compact_blocks,
10403 df_bb_replace, df_bb_regno_last_use_find,
10404 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
10405 df_insn_regno_def_p, df_find_def, df_find_use,
10406 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
10407 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
10408 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
10409 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
10410 debug_df_chain, df_get_dependent_problem, df_chain_create,
10411 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
10412 df_grow_bb_info, df_chain_dump, df_print_bb_index,
10413 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
10414 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10415 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10416 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10417 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10418 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10419 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10420 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10421 df_reorganize_refs, df_set_state, df_hard_reg_init,
10422 df_read_modify_subreg_p) New public functions.
10423 * df-core.c: The core dataflow solver and glue routines for rtl
10425 (df_init, df_add_problem, df_set_blocks, df_finish,
10426 df_hybrid_search_forward, df_hybrid_search_backward,
10427 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10428 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10429 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10430 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10431 df_reg_defined, df_find_use, df_reg_used, df_dump,
10432 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10433 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10434 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10435 debug_df_useno, reset_df_after_reload): New functions.
10436 * df-scan.c: The scanning fuctions, once in df.c, completely
10437 rewritten so that they now fully model the functionality of
10438 register usage at the backend.
10439 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10440 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10441 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10442 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10443 df_get_artificial_defs, df_get_artificial_uses,
10444 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10445 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10446 df_refs_delete, df_reorganize_refs, df_set_state,
10447 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10448 df_def_record_1, df_defs_record, df_uses_record,
10449 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10450 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10451 df_record_exit_block_uses, df_hard_reg_init): New functions.
10453 * df-problems.c: Seven concrete dataflow problems that use the
10454 scanning in df-scan.c and are solved by the engine in df-core.c.
10455 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10456 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10457 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10458 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10459 df_ru_free_bb_info, df_ru_alloc,
10460 df_ru_bb_local_compute_process_def,
10461 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10462 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10463 df_ru_transfer_function, df_ru_free, df_ru_dump,
10464 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10465 df_rd_free_bb_info, df_rd_alloc,
10466 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10467 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10468 df_rd_transfer_function, df_rd_free, df_rd_dump,
10469 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10470 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10471 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10472 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10473 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10474 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10475 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10476 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10477 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10478 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10479 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10480 df_urec_mark_reg_use_for_earlyclobber,
10481 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10482 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10483 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10484 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10485 df_chain_create_bb_process_use, df_chain_create_bb,
10486 df_chain_finalize, df_chain_free, df_chains_dump,
10487 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10488 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10489 df_reg_lifetime): New functions.
10490 * df.c: Deleted file.
10491 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10492 consistent with new df api.
10493 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10494 rest_of_handle_sms): Ditto.
10495 * web.c (unionfind_union, union_defs, entry_register, web_main):
10497 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10498 invariant_expr_equal_p, find_defs, check_dependencies,
10499 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10500 free_inv_motion_data, move_loop_invariants): Ditto.
10501 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10502 Update dependencies.
10503 (odf.c): Added defective entry that was deleted later in day.
10504 * sched-deps.c (sched_analyze_1): Ditto.
10506 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10508 * tree-ssa-operands.c (get_expr_operands): Record addressable
10509 variables directly. Do not call add_stmt_operands for CONST_DECLs
10511 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
10512 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
10514 2006-01-11 Ben Elliston <bje@au.ibm.com>
10516 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
10517 function returns true in the positive case.
10519 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10522 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10523 for SI, DI, SF and DF modes. Add alternatives to copy between
10524 general and floating point registers to the 32-bit patterns.
10525 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10526 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10527 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10528 generating 64-bit code.
10529 * config/pa/pa.c (output_move_double): Handle copies between general
10530 and floating registers.
10532 2006-01-10 Stuart Hastings <stuart@apple.com>
10534 * config/i386/i386.md (set_got): Update.
10535 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10536 (builtin_setjmp_receiver): Mach-O support.
10537 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10538 (GOT_SYMBOL_NAME): Define.
10539 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10540 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10541 * config/i386/i386.c (override_options): Revise for Darwin.
10542 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10543 support. (darwin_x86_file_end): New. (output_set_got): Add label
10544 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10545 * config/i386/i386-protos.h (output_set_got): Likewise.
10546 * config/darwin.c (machopic_legitimize_pic_address): Update
10549 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10551 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10552 when MODE isn't BLKmode.
10554 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10556 PR rtl-optimization/25367
10557 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10559 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10562 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10563 for a negative bound.
10565 2006-01-10 Richard Guenther <rguenther@suse.de>
10567 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10568 Never override with anything constraint.
10570 2006-01-10 Jan Beulich <jbeulich@novell.com>
10572 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10573 256 bits when optimize_size.
10575 2006-01-10 Jan Beulich <jbeulich@novell.com>
10577 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10579 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10580 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10583 2006-01-10 Ben Elliston <bje@au.ibm.com>
10585 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10587 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10588 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10589 (USE_FP_FOR_ARG): Reject decimal float modes.
10590 (function_arg_advance): Likewise.
10591 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10592 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10593 point types in AltiVec vectors.
10594 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10595 (rs6000_libcall_value): Likewise.
10597 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10599 * config/xtensa/ieee754-df.S: New file.
10600 * config/xtensa/ieee754-sf.S: New file.
10601 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10602 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10603 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10605 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10607 * config/sh/predicates.md (binary_float_operator,
10608 binary_logical_operator, commutative_float_operator,
10609 equality_comparison_operator, greater_comparison_operator,
10610 less_comparison_operator, logical_operator,
10611 noncommutative_float_operator, shift_operator,
10612 symbol_ref_operand, unary_float_operator): Remove redundant
10615 2006-01-09 Jeff Law <law@redhat.com>
10617 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10618 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10619 now unused arguments. Callers updated.
10620 (eliminate_redundant_computations): Remove now unused arguments,
10622 (local_fold): Remove, no longer used.
10623 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10625 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10626 (simplify_cond): New function.
10627 (forward_propagate_into_cond): Call simplify_cond.
10629 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10631 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10632 (*vec_extractv2di_1_sse): New.
10634 2006-01-09 Ben Elliston <bje@au.ibm.com>
10636 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10638 2006-01-08 Richard Guenther <rguenther@suse.de>
10640 * tree-ssa-structalias.c (get_constraint_for): Remove
10641 anyoffset argument.
10642 (get_constraint_for_component_ref): Likewise.
10643 (do_deref): Likewise.
10644 (get_constraint_for): Likewise.
10645 (do_structure_copy): Likewise.
10646 (handle_ptr_arith): Likewise.
10647 (find_func_aliases): Likewise. Remove unused need_anyoffset
10650 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10651 Kaz Kojima <kkojima@gcc.gnu.org>
10653 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10654 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10655 (EXTRA_CONSTRAINT_C16): Remove.
10656 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10657 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10658 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10659 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10660 constants of SHmedia. Handle nested constant expressions of
10662 (andcosts): Fix the costs for SHmedia constants.
10663 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10664 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10665 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10666 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10667 (movv4hi_i, movv2si_i): Likewise.
10668 (movsi_const): Adjust the second operand of ior so to match with
10669 the Csu constraint.
10670 (movdi_const, movdi_const_32bit): Likewise.
10671 (movdi_const_16bit+1): Don't sign-extend LOW.
10672 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10674 (*double_shori): Fix the split condition. Use GEN_INT instead
10675 of get_int_mode calls. Mask lower 16-bit of the argument of
10677 (sym2GOTPLT): Remove.
10678 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10680 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10681 instead of EXTRA_CONSTRAINT_C16.
10683 2006-01-07 Ian Lance Taylor <ian@airs.com>
10684 David Edelsohn <edelsohn@gnu.org>
10686 PR rtl-optimization/25662
10687 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10688 for constant operands instead of simplify_gen_binary.
10689 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10690 after trying simplify_binary_operation
10692 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10694 * tree.c (iterative_hash_expr): Hash decls based on UID.
10696 2006-01-06 Eric Christopher <echristo@apple.com>
10698 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10699 (TARGET_UNWIND_EMIT): Fix spelling.
10700 * target.h (gcc_target): Add except_table_label.
10701 * except.c (output_function_exception_table): Use.
10702 * varasm.c (default_emit_except_table_label): New.
10703 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10705 (asm_out): Add here.
10706 * output.h (default_emit_except_table_label): Prototype.
10707 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10708 * config/darwin.c (darwin_emit_except_table_label): Define.
10709 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10711 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10713 PR tree-optimization/18527
10714 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10715 number_of_iterations_special, number_of_iterations_exit):
10716 Move base and step of an iv to a single structure. Add
10717 no_overflow flag, and use it in # of iterations analysis.
10718 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10719 folded_casts argument.
10720 (simple_iv): Pass base and step in a structure. Set no_overflow
10722 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10723 Evaluate expensiveness of computing # of iterations instead of
10724 the final expression.
10725 * tree-scalar-evolution.h (affine_iv): New structure.
10726 (simple_iv): Declaration changed.
10727 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10728 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10729 find_givs_in_stmt): Changed due to simple_iv change.
10731 2006-01-06 Jeff Law <law@redhat.com>
10734 * tree-cfg.c (bsi_replace): Rename final argument from
10735 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10736 change (stmt -> orig_stmt).
10737 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10738 (bsi_remove): Add new argument. Remove EH information
10740 (verify_eh_throw_table_statements): New function.
10741 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10743 * tree-optimize.c (execute_free_cfg_annotations): Verify
10744 the EH throw statement table after removing annotations.
10745 * except.h (verify_eh_throw_table_statements): Prototype.
10746 * tree-flow.h (bsi_remove): Update prototype.
10747 * tree-vrp.c (remove_range_assertions): Add new argument to
10749 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10750 * tree-complex.c (expand_complex_div_wide): Likewise.
10751 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10752 * tree-tailcall.c (eliminate_tailcall): Likewise.
10753 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10754 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10755 * tree-nrv.c (tree_nrv): Likewise.
10756 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10757 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10758 (combine_blocks): Likewise.
10759 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10760 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10761 (cleanup_control_flow): Likewise.
10762 (remove_forwarder_block): Likewise.
10763 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10764 * tree-sra.c (sra_replace): Likewise.
10765 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10766 (forward_propagate_single_use_vars): Likewise.
10767 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10768 * tree-inline.c (expand_call_inline): Likewise.
10769 * tree-vect-transform.c (vect_transform_loop): Likewise.
10770 * tree-outof-ssa.c (rewrite_trees): Likewise.
10771 * tree-cfg.c (make_goto_expr_edges): Likewise.
10772 (cleanup_dead_labels): Likewise.
10773 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10774 (bsi_move_before, bsi_move_after): Likewise.
10775 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10776 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10778 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10781 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10783 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10784 on non gimple variables. Also add checks at the top for decls and
10786 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10788 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10789 and IMAGPART_EXPR for creating MUST_DEFs.
10790 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10791 and NAME_MEMORY_TAG separately from the DECLs.
10793 2006-01-06 Richard Guenther <rguenther@suse.de>
10795 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10796 annotation, if necessary.
10797 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10798 redundant calls to update_stmt.
10799 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10802 2006-01-05 Richard Henderson <rth@redhat.com>
10804 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10806 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10808 * c-typeck.c: Update copyright date.
10810 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10812 * c-typeck.c (build_c_cast): Always warn when casting
10813 from a pointer to an integer of different size, even if
10814 the node was constant.
10816 2006-01-05 Richard Guenther <rguenther@suse.de>
10818 PR tree-optimization/22555
10819 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10820 if one structure field is an array.
10821 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10822 operands even if we found a subvar, but ignore VOPs in this
10824 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10826 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10828 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10830 PR middle-end/24998
10831 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10833 2006-01-05 Richard Guenther <rguenther@suse.de>
10834 Diego Novillo <dnovillo@redhat.com>
10836 * tree-pass.h (TODO_remove_unused_locals): Define.
10837 * gimple-low.c (expand_var_p, remove_useless_vars,
10838 pass_remove_useless_vars): Remove. Update all users.
10839 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10840 (remove_unused_locals): New function.
10841 * tree-flow.h (remove_unused_locals): Declare.
10842 * passes.c (execute_todo): Call remove_unused_locals if
10843 TODO_remove_unused_locals is set.
10844 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10845 * tree-ssa-dce.c (pass_dce): Likewise.
10846 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10848 2006-01-05 Richard Guenther <rguenther@suse.de>
10850 * tree-flow.h (struct fieldoff): Decompose field to
10851 type, size and decl.
10852 * tree-ssa-alias.c (create_sft): Take type as parameter.
10853 (create_overlap_variables_for): Store type, size and decl
10854 in the fieldoff structure.
10855 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10856 of struct fieldoff.
10857 (push_fields_onto_fieldstack): Likewise.
10858 (create_variable_info_for): Likewise. Use offset for the
10859 SFT name if the decl is not available.
10861 2006-01-04 Paul Brook <paul@codesourcery.com>
10863 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10865 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10867 * lambda-code.c (can_put_in_inner_loop): Relax
10869 (can_put_after_inner_loop): New function.
10870 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10871 (perfect_nestify): Change to make copies and modify uses.
10873 2006-01-04 Richard Henderson <rth@redhat.com>
10875 Merge from gomp branch:
10876 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10877 via integer constant.
10878 (pragma_lex): Remove.
10879 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10880 rather than parsing it.
10881 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10882 handle_pragma_extern_prefix): Add %< %> quotes.
10883 (registered_pragmas): New.
10884 (c_register_pragma_1): New.
10885 (c_register_pragma): Use it.
10886 (c_register_pragma_with_expansion): Likewise.
10887 (c_invoke_pragma_handler): New.
10888 (init_pragma): Use cpp_register_deferred_pragma directly for
10890 * c-pragma.h (enum pragma_kind): New.
10891 (pragma_handler): New.
10892 (c_invoke_pragma_handler): Declare.
10893 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10895 * c-common.h (c_common_pch_pragma): Update decl.
10896 * Makefile.in (c-parser.o): Update dependencies.
10897 (GTFILES): Add c-pragma.h.
10898 * c-parser.c (struct c_token): Add pragma_kind.
10899 (struct c_parser): Add in_pragma.
10900 (c_lex_one_token): Always initialize keyword and pragma_kind.
10901 Extract data for CPP_PRAGMA.
10902 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10903 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10904 Don't allow CPP_PRAGMA_EOL if in_pragma.
10905 (c_parser_consume_pragma): New.
10906 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10907 (c_parser_skip_to_end_of_parameter): Likewise.
10908 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10909 (c_parser_skip_to_pragma_eol): New.
10910 (c_parser_external_declaration): Handle CPP_PRAGMA.
10911 (c_parser_compound_statement_nostart): Likewise.
10912 (c_parser_statement_after_labels): Likewise.
10913 (c_parser_pragma): New.
10914 (pragma_lex): Likewise.
10915 (c_parser_pragma_pch_preprocess): New.
10916 (c_parser_new): Merge into ...
10917 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10919 2006-01-04 Jeff Law <law@redhat.com>
10922 * tree-cfg.c (bsi_replace): Remove the original statement
10923 from the EH throw statement table.
10925 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10927 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10928 make the prototype extern "C" and add throw ().
10931 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10932 and pos non-negative and pos + len <= 32.
10933 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10934 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10935 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10938 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10939 as well as sizes not multiple of component size.
10942 * function.c (instantiate_expr): New function.
10943 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10944 walk its DECL_VALUE_EXPR with instantiate_expr.
10946 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10947 DW_OP_deref{,_size} if address isn't going to be added.
10949 2006-01-04 Ben Elliston <bje@au.ibm.com>
10951 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10952 * config/fp-bit.c: Likewise.
10954 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10956 * dominance.c: Add comment about why we use DFS numbering
10959 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10960 Richard Henderson <rth@redhat.com>
10962 Merge from gomp-branch:
10963 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10964 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10966 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10968 PR rtl-optimization/25578
10969 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10970 pass a parameter to simplify_shift_const if changing ASHIFTRT
10973 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10975 * builtins.c (get_builtin_sync_mem): New function.
10976 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10977 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10978 Call get_builtin_sync_mem to generate mem rtx.
10980 2006-01-03 Richard Guenther <rguenther@suse.de>
10983 * stmt.c (add_case_node): Make sure to clear overflow flags
10986 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10988 Merge from gomp-branch.
10989 * config/sparc/sync.md: New file.
10990 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10991 UNSPECV_LDSTUB): New constants.
10992 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10993 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10994 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10997 2006-01-03 Roger Sayle <roger@eyesopen.com>
10999 * combine.c (reg_subword_p): New predicate to test whether the
11000 destination of a set refers to a subword/piece of a register.
11001 (try_combine): Generalize the code to merge the setting of a
11002 pseudo to a constant followed by a set of a subword of that
11003 register to a constant.
11005 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
11007 * basic-block.h (control_flow_graph): Change the type of
11008 x_label_to_block_map to VEC(basic_block,gc) *.
11009 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
11010 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
11012 * tree-ssa-propagate.c (cfg_blocks): Change the type to
11013 VEC(basic_block,heap) *.
11014 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
11015 ssa_prop_fini): Adjust the uses of cfg_blocks.
11017 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
11019 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
11021 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
11022 hashing trees instead of a pointer hash.
11023 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
11024 compare for MEM_EXPR.
11026 PR rtl-optimization/25130
11027 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
11028 when comparing MEMs for GCSE
11030 2006-01-03 Ben Elliston <bje@au.ibm.com>
11032 * targhooks.h (default_decimal_float_supported_p): Declare.
11033 * targhooks.c (default_decimal_float_supported_p): Define.
11034 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
11035 `default_decimal_float_supported_p'.
11036 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
11038 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
11040 * combine.c (apply_distributive_law <SUBREG>): Check
11041 TRULY_NOOP_TRUNCATION.
11043 2006-01-02 Geoffrey Keating <geoffk@apple.com>
11045 * dwarf2out.c (have_switched_text_section): Delete.
11046 (have_multiple_function_sections): New.
11047 (have_location_lists): Make 'bool'.
11048 (add_AT_loc_list): Use 'true' not '1'.
11049 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
11050 (output_loc_list): Use have_multiple_function_sections.
11051 (output_ranges): Likewise.
11052 (dwarf2out_begin_function): Set have_multiple_function_sections if
11054 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
11055 Check function_section rather than DECL_SECTION_NAME.
11056 (dwarf2out_finish): Use have_multiple_function_sections.
11057 Don't clear have_location_lists.
11059 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
11060 Jan Hubicka <jh@suse.cz>
11062 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
11063 case of conditional jump jumping to the next instruction.
11064 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
11065 cases of conditional jump jumping to the next instruction.
11067 2006-01-02 Jan Hubicka <jh@suse.cz>
11069 * i386.c (*_cost): Add COSTS_N_INSNS.
11070 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11072 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11075 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11077 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11079 * config/arm/arm.c (all_fpus): Fix comment typo.
11080 * config/darwin.c: Likewise.
11081 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
11082 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
11083 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
11085 2006-01-01 David Edelsohn <edelsohn@gnu.org>
11087 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
11088 (rs6000_split_compare_and_swapqhi): New.
11089 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
11090 (sync_compare_and_swapqhi_internal): New.
11091 * config/rs6000/rs6000-protos.h: Declare.