1 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
7 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
8 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
9 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
10 determine the size of Wtype, etc.
11 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
12 (swfloatfuncs): New variable.
13 (dwfloatfuncs): Likewise.
14 (lib2funcs): Remove floating-point conversion functions from
15 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
16 the set of conversion routines needed. Allow entries to specify
17 an object name, filename and word size. Update users accordingly.
18 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
19 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
23 2006-02-08 Roger Sayle <roger@eyesopen.com>
26 * config/fixtfdi.c: New libgcc source file.
27 * config/fixunstfdi.c: New source file.
28 * config/floatditf.c: New source file.
29 * config/floatunditf.c: New souce file.
30 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
31 files above instead of config/mips/_tilib.c.
32 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
34 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
36 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
37 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
39 2006-05-18 Mike Stump <mrs@apple.com>
41 Fix up vla, vm and [*] sematics.
47 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
48 (c_vla_unspec_p): Add.
50 * c-decl.c (struct c_scope): Add had_vla_unspec.
51 (build_array_declarator): Add support for [*].
52 (grokdeclarator): Likewise.
53 (grokparms): Likewise.
54 (get_parm_info): Likewise.
55 * c-objc-common.c (c_vla_unspec_p): Likewise.
56 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
57 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
58 typeof when argument is a variably modified type not inside sizeof or alignof.
59 (c_parser_direct_declarator_inner): Propagate errors.
60 (c_parser_sizeof_expression): Add support for [*].
61 (c_parser_parms_declarator): Initialize had_vla_unspec.
62 (c_parser_parms_list_declarator): Likewise.
63 * c-typeck.c (c_vla_type_p): Add.
64 (composite_type): Add support for vla compositing.
65 (comptypes_internal): Add support for vla compatibility.
66 (c_expr_sizeof_expr): Evaluate vla arguments.
67 * tree.c (variably_modified_type_p): Update comment for [*].
69 2006-05-18 Michael Matz <matz@suse.de>
72 * config.host: Make assignments to host_xmake_file cumulative.
73 * config.host (*-darwin*): Test $host, not $target.
75 2006-05-12 Stuart Hastings <stuart@apple.com>
77 * config/i386/i386.opt (-mstackrealign): New flag.
78 * config/i386/i386.c (force_align_arg_pointer): New attribute.
79 (ix86_handle_cconv_attribute): Emit error when
80 force_align_arg_pointer attribute collides with too many regparms.
81 (ix86_function_regparm): Limit regparms when used with
82 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
83 Support stack-realigning prologue in non-main functions. Emit
84 warning for nested functions under -mstackrealign, emit error for
85 nested functions with force_align_arg_pointer attribute.
86 * doc/extend.texi (force_align_arg_pointer): Document it.
87 * doc/invoke.texi (-mstackrealign): Document it.
89 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
91 PR rtl-optimization/27477
92 * combine.c (try_combine): Don't split a parallel consisting
93 of two sets into two individual sets if both sets reference
96 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
98 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
99 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
101 * doc/options.texi (VarExists): Updated.
103 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
105 * unwind-dw2.c: Add declarations for uw_update_context and
107 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
108 detected, advance frame state and context once to skip over stub.
110 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
114 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
115 Call rewrite_into_loop_closed_ssa only when something changed.
116 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
117 * lambda-code.c (can_convert_to_perfect_nest): Declared.
118 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
119 Test for perfect_nest_p here. Fix formating.
120 (replace_uses_equiv_to_x_with_y): Fix formating.
121 (stmt_uses_op): Removed.
122 (can_convert_to_perfect_nest): Removed loopivs parameter.
123 Complete the test by checking the scalar dependences.
124 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
127 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
130 From Dan Kegel <dank@kegel.com>:
131 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
133 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
135 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
136 if the element type is variably modified without recursing.
138 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
141 * tree-loop-linear.c (try_interchange_loops): Test for
144 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
146 PR tree-optimization/27548
147 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
148 range of ssa names that appear on abnormal edges.
149 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
150 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
152 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
155 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
157 2006-05-17 Jakub Jelinek <jakub@redhat.com>
160 * tree.h (OMP_PARALLEL_COMBINED): Define.
161 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
162 (new_omp_context): Add is_combined_parallel argument.
163 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
164 new_omp_context caller.
165 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
166 Adjust gimplify_scan_omp_clauses callers.
167 (omp_is_private): Issue errors if iteration variable is firstprivate
168 or reduction in the current context.
169 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
170 on combined parallel workshare constructs.
172 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
174 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
175 (gcc-options.o): New rule.
177 * optc-gen.awk: Protect variables for gcc-options.o with
178 #ifdef GCC_DRIVER/#endif.
180 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
182 Fix PR tree-optimization/27373
183 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
184 (forward_propagate_addr_expr): Update call.
186 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
188 * doc/options.texi: Move the Negative option.
190 2006-05-16 Richard Guenther <rguenther@suse.de>
192 PR tree-optimization/22303
193 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
195 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
196 ccp_fold did not simplify the statement.
198 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
201 * Makefile.in (GCC_OBJS): New.
202 (OBJS-common): Add opts-common.o.
203 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
204 (cpp$(exeext)): Likewise.
205 (gcc.o): Also depend on opts.h.
206 (opts-common.o): New.
208 * common.opt (gcoff): Add Negative(gdwarf-2).
209 (gdwarf-2): Add Negative(gstabs).
210 (gstabs): Add Negative(gstabs+).
211 (gstabs+): Add Negative(gvms).
212 (gvms): Add Negative(gxcoff).
213 (gxcoff): Add Negative(gxcoff+).
214 (gxcoff+): Add Negative(gcoff).
215 * config/i386/i386.opt (m32): Add Negative(m64).
216 (m64): Add Negative(m32).
218 * doc/options.texi: Document the Negative option.
220 * gcc.c: Include "opts.h".
221 (main): Call prune_options after expandargv.
223 * optc-gen.awk: Generate common declarations for all flag
224 variables in options.c. Output the neg_index field.
226 * opts.c (find_opt): Moved to ...
227 * opts-common.c: Here. New file.
229 * opts.h (cl_option): Add a neg_index field.
231 (prune_options): Likewise.
233 2006-05-16 Jakub Jelinek <jakub@redhat.com>
236 * omp-low.c (expand_omp_parallel): Don't assert
237 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
238 instead search for it.
241 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
244 2006-05-16 Andreas Schwab <schwab@suse.de>
246 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
249 2006-05-15 Roger Sayle <roger@eyesopen.com>
252 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
253 integer constants other than zero are only legitimate on TARGET_64BIT.
254 <CONST_VECTOR> Only zero vectors are legitimate.
255 (ix86_cannot_force_const_mem): Integral and vector constants can
256 always be put in the constant pool.
258 2006-05-16 DJ Delorie <dj@redhat.com>
260 * crtstuff.c (__dso_handle): Set section from
261 TARGET_LBIGCC_SDATA_SECTION if defined.
262 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
263 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
265 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
268 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
271 2006-05-16 Ben Elliston <bje@au.ibm.com>
273 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
275 2006-05-15 Per Bothner <per@bothner.com>
277 * tree.c: (last_annotated_node): Use sources_locus typedef.
278 This permits bootstrapping with --enable-mapped-location.
280 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
282 PR tree-optimization/26830
283 * tree-into-ssa.c (struct ssa_name_info): Add age field.
284 (info_for_ssa_name, current_info_for_ssa_name_age,
285 blocks_to_update): New variables.
286 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
287 (clear_ssa_name_info, initialize_flags_in_bb,
288 mark_block_for_update): New functions.
289 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
290 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
291 prepare_def_site_for): Use mark_block_for_update.
292 (mark_def_interesting): Assert that the processed block is marked in
293 blocks_to_update. Do not take blocks argument.
294 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
296 (rewrite_update_init_block, rewrite_update_stmt): Only process
297 blocks with statements to rewrite.
298 (delete_update_ssa): Do not clear SSA_NAME_AUX.
299 (update_ssa): Initialize and free blocks_to_update. Do not
300 clear flags on statements. Do not use blocks bitmap.
301 * tree.h (SSA_NAME_AUX): Removed.
302 (struct tree_ssa_name): Removed aux field.
303 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
305 2006-05-15 Richard Guenther <rguenther@suse.de>
307 PR tree-optimization/27603
308 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
309 Do computations in original type.
311 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
313 * see.c: Code style changes such as redundant paranthesis,
314 redundant intialization of local variables etc.
315 (see_main): Declared now as static.
316 * doc/invoke.texi: Update that -fsee is not enabled by
319 2006-05-15 Jakub Jelinek <jakub@redhat.com>
321 * omp-low.c (check_omp_nesting_restrictions): New function.
322 (scan_omp_1): Call it.
325 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
326 construct, return *VAR.
328 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
330 PR rtl-optimization/27406
331 * bt-load.c (migrate_btr_def): Skip the block having abnormal
334 2006-05-14 Roger Sayle <roger@eyesopen.com>
336 PR rtl-optimization/27538
337 * combine.c (expand_compound_operation): Call gen_lowpart
338 before calling simplify_shift_const.
340 2006-05-14 Roger Sayle <roger@eyesopen.com>
342 PR rtl-optimization/22563
343 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
344 a fixed width bitfield, always force the intermediates into psuedos.
346 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
349 * mkconfig.sh: Use operator = instead of == for test.
351 2006-05-13 Nick Clifton <nickc@redhat.com>
353 * dwarf2out.c (dbx_reg_number): Check return value from
354 LEAF_REG_REMAP and only use it if it is valid.
355 (multiple_reg_loc_descriptor): Likewise.
357 2006-05-13 Richard Guenther <rguenther@suse.de>
359 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
362 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
364 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
365 information attached to non-INSNs such as NOTEs.
366 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
368 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
370 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
372 * config/s390/s390.md: Adjust comment describing On constraint.
374 2006-05-11 Jan Hubicka <jh@suse.cz>
376 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
379 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
382 * fold-const.c (size_binop): Move sanity check for arguments to
383 the beginning of the function.
386 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
389 2006-05-11 Richard Guenther <rguenther@suse.de>
392 * fold-const.c (fold_unary): Handle intermediate conversion
393 to a pointer type like intermediate conversion to an integer
394 type in folding of (T1)(T2)var to var.
395 Match the code to the comment in the final conversion for
396 (T1)(T2)var to (T1)var regarding to type precision. Rather
397 than disallow T1 being of pointer type, assert that both T1
398 and var are of pointer type or not. Make sure not to fall
399 over the frontends lazyness wrt array to pointer decay though.
401 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
403 * arm.c (arm_struct_value_rtx): Delete.
404 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
405 (arm_init_cumulative_args): Always initialize nregs to zero.
407 2006-05-10 Richard Guenther <rguenther@suse.de>
409 PR tree-optimization/27532
410 * tree-object-size.c (plus_expr_object_size): Fix typo.
412 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
415 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
416 ashrdi_const, ashrdi3): Use a scratch register.
418 2006-05-10 Richard Guenther <rguenther@suse.de>
420 PR tree-optimization/27302
421 * fold-const.c (operand_equal_p): For two comparisons,
422 try comparison of one comparison code swapped if that yields
425 2006-05-10 Ben Elliston <bje@au.ibm.com>
427 * tree-pretty-print.c (pretty_print_string): No need to handle
428 '\0' as a special character.
430 * tree.h: Include "hashtab.h".
431 (iterative_hash_expr): Use hashval_t in its prototype.
432 * Makefile.in (TREE_H): Add $(HASHTAB_H).
434 2006-05-09 Steve Ellcey <sje@cup.hp.com>
437 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
438 (hppa*64*-*-hpux11*): Ditto.
439 (hppa[12]*-*-hpux11*): Ditto.
441 2006-05-09 David Edelsohn <edelsohn@gnu.org>
444 * config/rs6000/aix41.h (TARGET_64BIT): Define.
446 2006-05-09 Michael Matz <matz@suse.de>
448 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
449 host_extra_gcc_objs and host_xmake_file.
450 (<*-*-linux*>): Don't overwrite host_xmake_file.
451 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
452 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
453 (host_detect_local_cpu): Declare.
454 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
455 * config/i386/i386.c (override_options): Handle -mtune=native
457 * config/i386/x-i386: New file.
458 * config/i386/driver-i386.c: New file.
459 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
462 2006-05-09 Dirk Mueller <dmueller@suse.de>
463 Richard Guenther <rguenther@suse.de>
466 * fold-const.c (fold_read_from_constant_string): Relax check
467 for matching types to matching modes.
469 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
471 PR rtl-optimization/27335
472 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
475 2006-05-08 Chao-ying Fu <fu@mips.com>
476 Richard Sandiford <richard@codesourcery.com>
478 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
479 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
480 * config/mips/mips.md (UNSPEC_SCC): New constant.
481 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
482 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
483 (mips_emit_compare): Use it.
484 (mips_expand_vcondv2sf): New function.
486 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
488 Fix PR tree-optimization/27093
489 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
490 renaming when they become not-used_alone.
492 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
494 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
495 relocation and relocation stubs.
497 2006-05-08 Eric Christopher <echristo@apple.com>
499 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
502 2006-05-08 Jan Hubicka <jh@suse.cz>
505 * cgraphunit.c (decide_is_function_needed): When not optimizing even
506 unused static functions are needed.
508 2006-05-08 Roger Sayle <roger@eyesopen.com>
511 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
512 of a reg_equiv_constant if the result is a legitimate constant.
514 2006-05-08 Uros Bizjak <uros@kss-loka.si>
517 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
518 standard 80387 constants, raise the cost to prevent
519 compress_float_constant() to generate load from memory.
521 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
523 * config/arm/constraints.md (c): Fix a typo.
525 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
528 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
531 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
533 (_mm_mwait): Likewise.
535 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
537 (sse3_monitor): Make it 32bit only.
538 (sse3_monitor64): New. 64bit monitor.
540 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
543 * config/i386/i386.c (classify_argument): Skip fields with invalid
546 2006-05-07 Richard Guenther <rguenther@suse.de>
548 PR tree-optimization/27409
549 * tree-ssa-structalias.c (get_constraint_for_component_ref):
550 Do not try to find zero-sized subvars.
552 2006-05-07 Richard Guenther <rguenther@suse.de>
554 PR tree-optimization/27136
555 * tree-ssa-loop-niter.c (get_val_for): Correct function
556 comment, assert requirements.
557 (loop_niter_by_eval): Stop processing if the iterated
558 value did not simplify.
560 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
562 * opts.c (flag_see): remove its setting at -O3.
564 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
566 * genpeep.c (main): Make insn-peep.c depend on flags.h.
567 * arm/constraints.md: New file.
568 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
569 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
570 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
571 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
572 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
573 (EXTRA_MEMORY_CONSTRAINT): Likewise.
574 * arm.md: Include constraints.md.
575 (thumb_movsi_insn): Use satisfies_constraint_J.
576 (movhi, movqi): Use satisfies_constraint_I.
578 2006-04-29 Anatoly Sokolov <aesok@post.ru>
580 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
581 for atmeg a645 device.
583 2006-05-06 Richard Guenther <rguenther@suse.de>
585 PR tree-optimization/27151
586 * tree-vect-transform.c (vectorizable_condition): Punt on
587 values that have a different type than the condition.
589 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
592 * c-parser.c (c_parser_cast_expression): Only insert casts into
593 hash table if pointer.
594 * function.c (used_types_insert_helper): Rename from
596 (used_types_insert): Call used_types_insert_helper.
597 * function.h (used_types_insert): Accept only one argument.
599 2006-05-05 David Edelsohn <edesohn@gnu.org>
601 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
602 scratch with output modifier.
604 2006-05-04 David Edelsohn <edelsohn@gnu.org>
607 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
608 with output modifier.
610 2006-05-04 Richard Sandiford <richard@codesourcery.com>
613 * config/mips/mips.c (mips_symbolic_address_p): Return true
614 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
615 SYMBOL_GOTTPREL, and SYMBOL_TLS.
617 2006-05-04 Richard Guenther <rguenther@suse.de>
619 PR tree-optimization/14287
620 PR tree-optimization/14844
621 PR tree-optimization/19792
622 PR tree-optimization/21608
623 PR tree-optimization/27090
624 * tree-ssa-pre.c (try_combine_conversion): New function.
625 (compute_avail): After constructing the value-handle
626 expression, use try_combine_conversion to combine NOP_EXPRs
627 with previous value-handle expressions and use the result if it
630 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
632 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
634 2006-05-04 Jan Hubicka <jh@suse.cz>
637 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
639 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
641 * config/bfin/predicates.md (const01_rtx): Tell generator programs
642 that this only matches CONST_INTs. All users changed to VOIDmode
645 * config/bfin/bfin.c: Include "optabs.h".
646 (bfin_rtx_costs): Some costs for vector operations, to allow combine
648 (enum bfin_builtins): Add a number of fractional and vector builtins.
649 (bfin_init_builtins): Likewise.
650 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
651 (safe_vector_operand, bfin_expand_binop_builtin,
652 bfin_expand_unop_builtin): New functions.
653 (bfin_expand_builtin): Handle the new builtins.
654 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
657 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
660 * Makefile.in (OBJS-common): Add see.o.
661 (see.o): Add dependencies.
662 * common.opt (fsee): New flag for the see optimization was added.
663 * opts.c (flag_see): Initialized.
664 * passes.c (init_optimization_passes, pass_see): New pass.
665 * rtl.h (see_main): Declaration as extern.
666 * timevar.def (TV_SEE): New.
667 * tree-pass.h (pass_see): Declaration as extern.
668 * invoke.texi (-fsee): Document.
669 * recog.c (validate_simplify_insn): New function.
670 * recog.h (validate_simplify_insn): Declaration as extern.
671 * df-problems.c (df_chain_dump): Check for NULL.
673 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
674 Daniel Berlin <dberlin@dberlin.org>
676 * cfgrtl.c (insert_insn_bb_end_new): New function.
677 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
679 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
681 * df.h (struct web_entry): Moved from web.c.
682 (union_defs): Declaration as extern.
683 (unionfind_root): Likewise.
684 (unionfind_union): Likewise.
685 * web.c (struct web_entry): Moved to df.h.
686 (unionfind_root): Remove static declaration.
687 (unionfind_union): Likewise.
688 (union_defs): Likewise and generalize to use callback function.
689 (web_main): Update arguments for union_defs function call.
691 2006-05-04 Richard Guenther <rguenther@suse.de>
693 PR tree-optimization/26447
694 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
695 produce SSA_NAME copies before the store stmt to avoid
696 breaking exception handling.
698 2006-05-04 Jakub Jelinek <jakub@redhat.com>
701 * gimplify.c (omp_is_private): If var is shared in some outer context,
702 return false instead of true. Stop searching on parallel context
705 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
708 * coverage.c: Use get_gcov_unsigned_t() instead of
709 unsigned_type_node all over.
711 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
713 PR tree-optimization/27381
714 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
715 maintain the same immediate_use links.
716 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
717 node rather than segfaulting.
719 2006-05-03 Jakub Jelinek <jakub@redhat.com>
722 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
723 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
724 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
726 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
728 Fix PR tree-optimization/26626
729 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
731 * tree-ssa-operands.c (access_can_touch_variable): Allow
732 typecasting through union pointers.
734 2006-05-02 Jakub Jelinek <jakub@redhat.com>
737 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
738 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
739 to find if var will be a global variable even in the nested context.
740 (omp_copy_decl): Only check for global variable at the end, it might
741 be overridden in outer contexts.
742 (scan_sharing_clauses): For global variables don't create a field.
743 (lower_rec_input_clauses): Do nothing for global shared variables.
744 Emit a barrier at the end of ILIST if there were any decls in both
745 firstprivate and lastprivate clauses.
746 (lower_send_clauses): Do nothing for global variables except for
749 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
751 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
752 of the correct signedness is returned.
754 2006-05-02 Jeff Law <law@redhat.com>
756 PR tree-optimization/27364
757 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
758 multiply expressions.
760 2006-05-02 Tom Tromey <tromey@redhat.com>
762 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
764 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
767 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
768 -mthumb -fPIC are used.
770 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
771 Joshua Kinard <kumba@gentoo.org>
774 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
775 with 64-bit pointers.
777 2006-05-02 Paul Brook <paul@codesourcery.com>
779 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
781 (create_fix_barrier): Check that a suitable barrier location is
783 (arm_reorg): Include ftmp->address in allowable range of addresses.
785 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
788 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
791 2006-05-02 Jakub Jelinek <jakub@redhat.com>
794 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
795 around RESULT_DECL for result passed by reference.
796 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
797 * omp-low.c (use_pointer_for_field): Don't look at
798 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
799 (scan_omp_1): Call remap_decl on RESULT_DECLs.
800 (lower_rec_input_clauses): Don't allocate VLA memory for the second
801 time or var for passing by reference for
802 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
803 TREE_ADDRESSABLE variables when passing by reference.
805 * omp-low.c (dump_omp_region): Fix output formatting.
808 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
809 (expand_omp_parallel): Likewise.
810 * tree-cfg.c (move_sese_region_to_fn): Likewise.
813 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
814 on statement list containing also constructors and destructors.
815 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
818 * except.c (duplicate_eh_regions): Fix clearing of
819 cfun->eh->region_array entries.
821 2006-05-01 DJ Delorie <dj@redhat.com>
823 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
825 (gcc_cv_objdump): Likewise.
826 * configure: Regenerated.
828 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
831 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
832 templates for case 3 and 4.
834 2006-05-01 DJ Delorie <dj@redhat.com>
836 * vec.c: Include bconfig.h when appropriate.
837 * Makefile.in (build/vec.o): Adjust dependencies.
838 * mkconfig.sh: Make sure config.h isn't used for build machine
841 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
843 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
845 (mark_phi_for_rewrite): New function.
846 (insert_phi_nodes_for, mark_use_interesting): Call
847 mark_phi_for_rewrite.
848 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
849 (update_ssa): Initialize and free phis_to_rewrite.
851 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
853 PR rtl-optimization/27291
854 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
855 folded to a constant.
857 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
859 PR tree-optimization/27283
860 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
861 not whole # of iteration descriptions.
862 (niter_for_exit): Return just # of iterations. Fail if # of iterations
863 uses abnormal ssa name.
864 (niter_for_single_dom_exit): Ditto.
865 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
866 return just the number of iterations.
868 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
870 PR tree-optimization/27144
871 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
872 (record_estimate): Only record constant upper bound.
873 (infer_loop_bounds_from_undefined): Call
874 compute_estimated_nb_iterations just once.
875 (proved_non_wrapping_p): Renamed to ...
876 (n_of_executions_at_most): ... this. Expect bound to be a constant.
877 (convert_step_widening, scev_probably_wraps_p): Call
878 n_of_executions_at_most instead of proved_non_wrapping_p.
879 (substitute_in_loop_info): Do not replace values in bounds.
880 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
883 2006-05-01 Richard Henderson <rth@redhat.com>
886 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
887 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
890 2006-05-01 Roger Sayle <roger@eyesopen.com>
892 * c-typeck.c (parser_build_binary_op): Don't call the function
893 unsigned_conversion_warning to spot operand/result type overflow.
894 (build_binary_op): Instead, call convert_and_check instead of
895 convert to report the problem when the operands are promoted.
896 * c-common.c (unsigned_conversion_warning): Make static.
897 * c-common.h (unsigned_conversion_warning): Delete prototype.
899 2006-05-01 Richard Guenther <rguenther@suse.de>
901 PR tree-optimization/26726
902 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
904 (find_interesting_uses_address): ... we work around here
905 by folding INDIRECT_REFs in the substituted base.
907 2006-05-01 Diego Novillo <dnovillo@redhat.com>
909 * omp-low.c (dump_omp_region): Add newlines.
911 2006-04-30 Roger Sayle <roger@eyesopen.com>
913 * common.opt (Woverflow): New command line option.
914 * c-common.c (constant_expression_warning): Check warn_overflow.
915 (overflow_waring): Pass OPT_Woverflow to warning.
916 (unsigned_conversion_warning): Likewise.
917 (convert_and_check): Likewise.
918 * doc/invoke.texi: Document new command line option.
920 2006-04-30 David Edelsohn <edelsohn@gnu.org>
922 * config/rs6000/rs6000.c (rs6000_override_options): Enable
923 TARGET_NO_FP_IN_TOC for section anchors.
924 (optimization_options): Enable section anchors for all
925 non-"Objective" languages.
927 2006-04-28 Eric Christopher <echristo@apple.com>
929 * config/darwin-c.c (darwin_ms_struct): Move this
930 (darwin_set_default_type_attributes): and this...
931 * config/darwin.c: ... here.
932 * config/darwin.h (darwin_ms_struct): Declare.
934 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
936 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
938 2006-04-28 Roger Sayle <roger@eyesopen.com>
941 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
942 (push_array_bounds): Delete prototype. Change BOUNDS argument to
943 an unsigned HOST_WIDE_INT.
944 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
946 (really_start_incremental_init): No need to call convert because
947 bitsize_zero_node is already of type bitsizetype.
948 (push_init_level): Extract the value of constructor_index as an
949 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
950 (process_init_element): Likewise.
952 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
954 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
955 value before passing to make_relative_prefix.
957 2006-04-28 Alan Modra <amodra@bigpond.net.au>
960 * builtins.c (expand_builtin_memset): Expand val in original mode.
962 2006-04-27 Eric Christopher <echristo@apple.com>
964 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
966 * config/darwin-c.c (darwin_ms_struct): New.
967 (darwin_pragma_ms_struct): Ditto.
968 (darwin_set_default_type_attributes): Ditto.
969 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
970 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
971 Register ms_struct pragma.
972 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
973 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
974 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
975 darwin_set_default_type_attributes if TARGET_MACHO.
977 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
979 PR tree-optimization/26854
980 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
981 * doc/tree-ssa.texi: Update immuse iterator documentation.
982 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
983 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
984 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
985 first_safe_imm_use, next_safe_imm_use): Remove.
986 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
987 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
988 (move_use_after_head): New. Helper function to sort immuses in a stmt.
989 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
990 (first_imm_use_stmt): New. Get first stmt in an immuse list.
991 (next_imm_use_stmt): New. Get next stmt in an immuse list.
992 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
993 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
994 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
995 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
996 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
997 (perfect_nestify): Use new iterator.
998 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1000 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1001 (next_imm_name): New field in struct immediate_use_iterator_d.
1002 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1003 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1004 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1005 * tree-cfg.c (replace_uses_by): Use new iterator.
1006 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1007 * tree-ssa-operands.c (correct_use_link): Remove.
1008 (finalize_ssa_use_ops): No longer call correct_use_link.
1010 2006-04-27 Stuart Hastings <stuart@apple.com>
1012 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1013 * config/t-darwin (crt3.o): Use it.
1014 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1015 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1016 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1017 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1018 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1021 2006-04-27 Roger Sayle <roger@eyesopen.com>
1023 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1024 size, force the intermediate into a new pseudo rather instead of
1025 performing both a bitwise AND and a bitwise IOR in memory.
1027 2006-04-27 Richard Guenther <rguenther@suse.de>
1029 PR rtl-optimization/26685
1030 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1031 this one "max-flow-memory-locations".
1033 2006-04-27 Richard Guenther <rguenther@suse.de>
1035 PR tree-optimization/25148
1036 * tree-vrp.c (compare_values): Remove code dealing with
1037 comparisons against type min/max value. Honour overflow
1038 and negative constants in code dealing with comparisons
1039 of plus and minus expressions.
1040 (value_inside_range): Use fold_binary with LE_EXPR and
1041 GE_EXPR rather than compare_values.
1043 2006-04-27 Dirk Mueller <dmueller@suse.de>
1045 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1048 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1050 * basic-block.h (safe_insert_insn_on_edge): Removed.
1051 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1053 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1054 Paolo Bonzini <bonzini@gnu.org>
1057 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1058 (simplify_and_const_int): Same.
1060 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1062 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1064 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1067 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1068 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1069 cgraph_global_info_ready.
1072 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1075 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1076 either decl or init is error_mark_node.
1079 * tree-flow.h (struct omp_region): Add sched_kind.
1080 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1081 instead of extracting omp for data.
1082 (expand_omp_for): Save extracted sched_kind.
1084 2006-04-25 Roger Sayle <roger@eyesopen.com>
1086 * expmed.c (store_bit_field): Also check whether the bitsize is
1087 valid for the machine's "insv" instruction before moving the
1088 target into a pseudo for use with the insv.
1089 * config/i386/predicates.md (const8_operand): New predicate.
1090 * config/i386/i386.md (extv, extzv, insv): Use the new
1091 const8_operand predicate where appropriate.
1093 2006-04-25 DJ Delorie <dj@redhat.com>
1095 * doc/install.texi (Specific): Clarify that this is not a list of
1096 supported hosts or targets.
1098 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1100 PR rtl-optimization/26725
1101 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1102 block's BB_DIRTY flag.
1104 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1106 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1109 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1110 to print an integer.
1112 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1114 * varasm.c (align_variable): New function.
1115 (get_block_for_decl): Apply align_variable to DECL before
1116 calculating section information.
1117 (assemble_variable): Split out alignment computation.
1119 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1121 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1124 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1126 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1127 MODE_PARTIAL_INT mode.
1128 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1129 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1131 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1132 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1134 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1136 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1138 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1139 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1140 MACFLAG_IH): Likewise.
1141 (movstricthi_1): Renamed from "*movstricthi".
1142 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1143 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1144 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1145 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1146 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1147 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1148 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1149 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1150 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1151 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1152 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1153 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1154 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1155 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
1156 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
1158 * doc/rtl.texi (ss_ashift): Improve wording.
1160 2006-04-24 Geoffrey Keating <geoffk@apple.com>
1162 * dwarf2out.c (verify_marks_clear): New.
1163 (prune_unused_types): Call verify_marks_clear initially, not
1166 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1168 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
1169 * doc/rtl.texi: Document them.
1170 * simplify-rtx.c (simplify_unary_operation,
1171 simplify_binary_operation_1): Don't abort when we see them.
1173 2006-04-24 Mark Mitchell <mark@codesourcery.com>
1176 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1177 * configure.ac: Completely disregard languages that are not
1179 * configure: Regenerated.
1181 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1182 Richard Guenther <rguenther@suse.de>
1184 PR tree-optimization/27236
1185 * tree-inline.c (copy_body_r): Make sure to copy
1186 TREE_THIS_VOLATILE flag.
1188 2006-04-24 Richard Guenther <rguenther@suse.de>
1191 * tree-complex.c (update_parameter_components): Don't handle
1192 unused parameters which have no default def.
1194 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1195 Richard Guenther <rguenther@suse.de>
1197 PR tree-optimization/27218
1198 * tree-inline.c (expand_call_inline): Strip useless type
1199 conversions for the return slot address.
1201 2006-04-24 Richard Guenther <rguenther@suse.de>
1203 * cfgloop.h (struct loops): Remove unused field array. Reorder
1205 (LOOP_PREFETCH): Remove.
1207 2006-04-24 Richard Guenther <rguenther@suse.de>
1209 PR tree-optimization/22525
1210 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
1211 variable, adjust types of generated expressions.
1213 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
1215 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
1216 (tree-vect-patterns.o): Likewise.
1218 (cselib.o): Likewise.
1219 (loop-doloop.o): Likewise.
1220 (regclass.o): Likewise.
1221 (reload1.o): Likewise.
1222 (explow.o): Replace target.h with $(TARGET_H).
1223 (ipa-prop.o): Likewise.
1224 (ipa-cp.o): Likewise.
1225 (ipa-inline.o): Likewise.
1226 (reorg.o): Likewise.
1227 (reg-stack.o): Likewise.
1229 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1231 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
1233 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1235 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
1237 * configure.ac: Completely disregard languages that are not
1239 * configure: Regenerated.
1242 * c-common.h (c_build_bitfield_integer_type): Declare.
1243 * c-decl.c (c_build_bitfield_integer_type): Move to ...
1244 * c-common.c (c_build_bitfield_integer_type): ... here.
1246 2006-04-23 Roger Sayle <roger@eyesopen.com>
1249 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
1250 a SImode SUBREG of a floating point register after no_new_pseudos.
1252 2006-04-23 Roger Sayle <roger@eyesopen.com>
1254 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
1255 identify potentially eliminable registers to additionally catch
1256 VIRTUAL_INCOMING_ARGS_REGNUM.
1257 (addsi3): Update the conditions on when to use addsi_small_int.
1259 2006-04-23 Roger Sayle <roger@eyesopen.com>
1262 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
1263 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1264 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1266 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1268 * fold-const.c (range_predecessor): Use operand_equal_p
1269 as the predicate for equality.
1270 (range_successor): Likewise.
1272 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1275 * config/soft-fp/op-common.h: Fix a typo.
1277 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
1280 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
1281 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
1283 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1285 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
1287 * doc/tm.texi: Fix a typo.
1289 2006-04-21 Geoffrey Keating <geoffk@apple.com>
1291 * dwarf2out.c (struct die_struct): Document that die_sib makes
1292 a circular linked list.
1293 (FOR_EACH_CHILD): New.
1294 (reverse_die_lists): Delete.
1295 (reverse_all_dies): Delete.
1296 (add_dwarf_attr): Correct documentation.
1297 (remove_child_with_prev): New.
1298 (remove_child_TAG): Update for change to die_struct, use
1299 remove_child_with_prev.
1300 (add_child_die): Update for change to die_struct.
1301 (splice_child_die): Use remove_child_with_prev and add_child_die.
1302 (print_die): Use FOR_EACH_CHILD.
1303 (die_checksum): Likewise.
1304 (assign_symbol_names): Likewise.
1305 (output_location_lists): Likewise.
1306 (build_abbrev_table): Likewise.
1307 (calc_die_sizes): Likewise.
1308 (mark_dies): Likewise.
1309 (unmark_dies): Likewise.
1310 (unmark_all_dies): Likewise.
1311 (output_die): Likewise.
1312 (prune_unused_types_mark): Likewise.
1313 (prune_unused_types_walk): Likewise.
1314 (same_die_p): Update for change to die_struct.
1315 (break_out_includes): Likewise.
1316 (prune_unused_types_prune): Likewise.
1317 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1318 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1320 (dwarf2out_finish): Don't call reverse_all_dies.
1322 2006-04-21 Eric Christopher <echristo@apple.com>
1324 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1325 in comments and function names.
1327 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1330 * c-typeck.c (digest_init): Robustify.
1332 * c-typeck.c (pop_init_level): Simplify.
1334 2006-04-21 Steve Ellcey <sje@cup.hp.com>
1336 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
1338 2006-04-21 Paul Brook <paul@codesourcery.com>
1340 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1341 hardware floating point.
1343 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1345 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
1348 2006-04-21 Nick Clifton <nickc@redhat.com>
1350 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
1353 2006-04-21 Alan Modra <amodra@bigpond.net.au>
1356 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
1357 C++ lang type in traceback table for Objective-C++.
1359 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
1361 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
1363 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
1365 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1368 * tree-mudflap.c (mudflap_finish_file): Skip function when there
1369 were errors. Remove check for erroneous objects.
1371 2006-04-20 Jeff Law <law@redhat.com>
1373 PR tree-optimization/26854
1374 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
1375 checking for zero or one use.
1376 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
1377 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
1378 * tree-ssa-reassoc.c (negate_value): Similarly.
1379 (reassociate_bb): Similarly.
1381 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1383 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1384 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1385 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1387 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1389 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1390 fp regs if the last fp arg doesn't fit in regs.
1392 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1395 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1396 that the last insn has the REG_INC note.
1398 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1399 Nathan Sidwell <nathan@codesourcery.com>
1402 * stor-layout.c (update_alignment_for_field): Do not align
1404 (place_union_field): Place union field at the start of the union.
1405 (place_field): Move ERROR_MARK check later, and use the current
1406 allocation position to maintain monotonicity.
1408 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1410 * dominance.c: Include timevar.h.
1411 (calculate_dominance_info): Use TV_DOMINANCE.
1412 * timevar.def (TV_DOMINANCE): New timevar.
1413 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1415 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1417 PR rtl-optimization/14261
1418 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1419 move would be an INSV insn.
1420 (noce_process_if_block): Don't optimize if the destination is a
1421 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1423 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1425 * config/s390/s390.md: Add comments with the instructions emitted
1426 by an insn pattern if macros are used.
1428 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1430 PR rtl-optimization/26026
1431 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1432 is a known power of two shifted left a variable amount.
1434 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1436 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1437 to hash table twice when the debug_str section has SECTION_MERGE.
1439 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1441 * config/soft-fp: New directory. From glibc.
1442 * config/soft-fp/t-softfp: New.
1443 * config/soft-fp/README: New.
1444 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1445 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1446 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1447 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1448 * config.gcc: Use rs6000/t-fprules-fpbit or
1449 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1451 * config/rs6000/sfp-machine.h: New. Based on glibc.
1452 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1454 * config/rs6000/t-fprules: Remove fp-bit rules.
1455 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1456 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1457 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1458 (softfp_wrap_start, softfp_wrap_end): New.
1460 2006-04-18 DJ Delorie <dj@redhat.com>
1462 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1464 2006-04-18 Devang Patel <dpatel@apple.com>
1466 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1468 2006-04-18 Nick Clifton <nickc@redhat.com>
1470 * config/sh/t-symbian: Add rule to build sh-c.o
1471 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1472 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1473 (sh_symbian_encode_section_info): Likewise.
1475 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1477 * builtins.c (expand_builtin_strcmp): Cover label definition of
1478 do_libcall with HAVE_cmpstrnsi.
1480 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1482 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1484 * function.h (temp_slot_p): New.
1485 (function): Change the type of x_used_temp_slots to
1486 VEC(temp_slot_p,gc) *.
1488 2006-04-18 Nick Clifton <nickc@redhat.com>
1490 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1491 flag_strength_reduce.
1493 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1495 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1499 Partial revert of revision 112637
1500 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1501 Dale Johannesen <dalej@apple.com>
1504 * regclass.c (struct reg_pref): Update documentation.
1505 (regclass): Set prefclass to NO_REGS if memory is the best option.
1506 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1508 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1510 PR tree-optimization/26821
1511 * tree-ssa-math-opts.c (get_constant_one): New.
1512 (insert_reciprocals): Use it.
1514 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1516 * dwarf2out.c (free_AT): Delete.
1517 (remove_AT): Update string ref counts.
1518 (remove_child_TAG): Don't call free_die.
1520 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1521 or DW_TAG_GNU_EINCL.
1522 (prune_unused_types_walk_attribs): Reset string refcounts.
1523 (prune_unused_types_update_strings): New.
1524 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1525 call free_die. Do call prune_unused_types_update_strings.
1526 (prune_unused_types): Empty debug_str_hash.
1528 2006-04-17 Roger Sayle <roger@eyesopen.com>
1530 * expr.c (expand_assignment): Optimize away no-op moves where the
1531 source and destination are equal and have no side-effects.
1533 2006-04-17 Richard Guenther <rguenther@suse.de>
1536 * reload.c (push_reload): Guard calls to get_secondary_mem
1539 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1541 * alias.c (reg_base_value, old_reg_base_value): Change the
1542 type to VEC(rtx,gc) *.
1543 (REG_BASE_VALUE, find_base_value, record_set,
1544 init_alias_analysis): Use VEC instead of VARRAY.
1546 * alias.c (alias_sets): Change the type to
1547 VEC(alias_set_entry,gc) *.
1548 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1549 VEC instead of VARRAY.
1550 (last_alias_set): Remove.
1552 * cgraph.h (cgraph_edge_p): New.
1553 Update the prototype of cgraph_function_versioning.
1554 * cgraphunit.c (cgraph_copy_node_for_versioning,
1555 cgraph_function_versioning): Use VEC instead of VARRAY.
1556 * ipa-cp.c (ipcp_insert_stage): Likewise.
1558 2006-04-16 Roger Sayle <roger@eyesopen.com>
1561 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1562 "A op B" or "A op C", we may need to convert A to the type of B and C.
1564 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1566 * target.h (struct gcc_target): Add mode_rep_extended.
1567 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1568 (init_num_sign_bit_copies_in_rep): Initialize it using
1570 (truncate_to_mode): Use it.
1571 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1572 * targhooks.h (default_mode_rep_extended): Declare it.
1573 * targhooks.c (default_mode_rep_extended): Define it.
1574 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1575 default_mode_rep_extended.
1576 (TARGET_INITIALIZER): Include it.
1577 * doc/tm.texi (Misc): Document it.
1578 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1579 (mips_truncated_to_mode): New function.
1581 2006-04-16 Roger Sayle <roger@eyesopen.com>
1584 * expr.c (compress_float_constant): Copy the narrow constant into
1585 a new pseudo before extending it to its final width.
1587 2006-04-16 Roger Sayle <roger@eyesopen.com>
1588 Andrew Pinski <pinskia@gcc.gnu.org>
1589 Dale Johannesen <dalej@apple.com>
1592 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1593 special case code to implement V8HImode and V16QImode with SSE2.
1595 2006-04-15 Roger Sayle <roger@eyesopen.com>
1597 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1598 trees are constructed with a suitable tree type.
1600 2006-04-15 Roger Sayle <roger@eyesopen.com>
1602 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1603 (integer_onep): Likewise.
1604 (integer_all_onesp): Likewise.
1605 (integer_pow2p): Likewise.
1606 (integer_nonzerop): Likewise.
1607 (real_zerop): Likewise.
1608 (real_onep): Likewise.
1609 (real_twop): Likewise.
1610 (real_minus_onep): Likewise.
1611 (int_size_in_bytes): Likewise.
1612 (host_integerp): Likewise.
1614 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1616 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1617 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1618 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1620 * tree-ssa-structalias.h (alias_info): Remove num_references.
1622 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1624 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1625 (output_bvb patterns): Likewise.
1626 * pa.c (output_bb): Use 'bb' insn for long branch case.
1627 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1628 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1629 1. Correct length operand for alternatives 1 and 2.
1630 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1631 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1633 2006-04-14 Roger Sayle <roger@eyesopen.com>
1635 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1636 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1637 were accidentally reverted by r112959.
1639 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1642 * except.h (eh_region_outermost): New prototype.
1643 * except.c (eh_region_outermost): New function.
1644 * tree-cfg.c (find_outermost_region_in_block): Use it.
1646 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1648 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1650 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1651 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1652 (init_reload, reload): Use VEC instead of VARRAY.
1653 * reload.h: Update the prototype for
1654 reg_equiv_memory_loc_varray.
1656 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1657 Eric Botcazou <ebotcazou@libertysurf.fr>
1659 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1662 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1665 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1666 to expand fallback builtin function call.
1668 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1671 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1672 and emit libcall here in case the builtin fails.
1673 (expand_builtin_strcmp): Always emit the libcall here on failure.
1675 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1677 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1678 * flow.c (reg_n_info): Change the type to
1679 VEC(reg_info_p,heap) *.
1680 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1682 * regs.h (reg_info_p): New.
1683 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1684 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1685 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1688 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1690 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1692 * params.h (MAX_SCHED_READY_INSNS): New macro.
1693 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1694 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1695 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1696 the ready list for 1 cycle during the first scheduling pass.
1697 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1699 2006-04-13 Richard Henderson <rth@redhat.com>
1702 * gimple-low.c (lower_omp_directive): Remove dead code.
1703 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1704 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1705 * omp-low.c (struct omp_region): Move to tree-flow.h.
1706 (root_omp_region): Export.
1707 (omp_regions, lookup_omp_region): Remove.
1708 (determine_parallel_type): Update for struct omp_region changes.
1709 (dump_omp_region): Dump regions with block numbers.
1710 (new_omp_region): Take type and block instead of stmt; malloc
1712 (free_omp_region_1, free_omp_regions): New.
1713 (expand_parallel_call): Take entry_stmt as argument; update for
1714 changes to omp_region.
1715 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1716 (remove_exit_barriers): New.
1717 (expand_omp_parallel): Update for struct omp_region changes.
1718 (expand_omp_synch): Likewise.
1719 (expand_omp): Likewise.
1720 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1721 (expand_omp_for_static_chunk): Likewise.
1722 (expand_omp_for): Likewise.
1723 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1724 (expand_omp_sections): Similarly, with GOMP_sections_end.
1725 (expand_omp_single): New.
1726 (build_omp_regions_1): Update for OMP_CONTINUE.
1727 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1728 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1729 OMP_SECTIONS_SECTIONS.
1730 (lower_omp_single_simple): Don't emit barrier here.
1731 (lower_omp_single_copy): Likewise.
1732 (lower_omp_single): Fix bindings, and lower to straightline now.
1733 (lower_omp_master, lower_omp_ordered): Likewise.
1734 (lower_omp_critical): Likewise.
1735 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1736 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1737 omp edges, free it afterward.
1738 (make_omp_sections_edges): Remove.
1739 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1740 (move_stmt_r): Handle OMP_CONTINUE.
1741 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1742 statement pointers to basic blocks. Add type member.
1743 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1744 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1745 * tree-inline.c (estimate_num_insns_1): Likewise.
1746 * tree-pretty-print.c (dump_generic_node): Likewise.
1747 * tree-ssa-operands.c (get_expr_operands): Likewise.
1748 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1749 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1750 (OMP_CONTINUE): New.
1751 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1752 (OMP_SECTIONS_SECTIONS): Remove.
1753 (OMP_SECTION_LAST): New.
1754 (OMP_RETURN_NOWAIT): New.
1756 2006-04-13 Roger Sayle <roger@eyesopen.com>
1758 * fold-const.c (native_encode_vector, native_interpret_real):
1759 Correct obvious mistakes in the previous check-in.
1761 2006-04-13 Roger Sayle <roger@eyesopen.com>
1763 * fold-const.c (native_encode_expr): New function to encode
1764 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1765 or VECTOR_CST into a specified buffer.
1766 (native_encode_int): New function.
1767 (native_encode_real): New function.
1768 (native_encode_complex): New function.
1769 (native_encode_vector): New function.
1770 (native_interpret_expr): Inverse of native_encode_expr to convert
1771 a target representation into an INTEGER_CST, REAL_CST etc...
1772 (native_interpret_int): New function.
1773 (native_interpret_real): New function.
1774 (native_interpret_complex): New function.
1775 (native_interpret_vector): New function.
1776 (fold_view_convert_expr): New function to constant fold/evaluate
1777 a VIEW_CONVERT_EXPR of a suitable constant expression.
1778 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1779 Change call of build1 to fold_build1 when constructing a
1782 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1783 Ulrich Weigand <uweigand@de.ibm.com>
1786 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1789 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1792 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1793 optimize to lo_sum for DFmode if !TARGET_FPRS.
1795 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1797 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1798 delete_alias_info, compute_flow_sensitive_aliasing,
1799 group_aliases): Use VEC instead of VARRAY.
1800 * tree-ssa-structalias.c (update_alias_info): Likewise.
1801 * tree-ssa-structalias.h (alias_info): Change the type of
1802 processed_ptrs to VEC(tree,heap) *.
1804 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1807 * config/sh/lib1funcs.h: New file, broken out of:
1808 * config/sh/lib1funcs.asm.
1809 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1811 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1812 * config/sh/lib1funcs-Os-4-200.asm: New file.
1813 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1814 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1815 (EXTRA_MULTILIB_PARTS): Include it.
1816 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1817 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1818 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1819 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1822 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1824 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1825 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1826 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1828 * tree-ssa-live.h: Include vecprim.h.
1829 (tree_partition_associator_d): Change the type of
1830 first_partition to VEC(int,heap) *.
1831 (tpa_first_partition): Use VEC instead of VARRAY.
1833 * Makefile.in (GTFILES): Move functions.h after tree.h.
1834 * function.c (reset_block_changes, record_block_change,
1835 check_block_change, free_block_changes): Use VEC instead of
1837 * function.h (function): Change the type of
1838 ib_boundaries_block to VEC(tree,gc) *.
1839 * tree-inline.c (copy_cfg_body): Initialize
1840 ib_boundaries_block to NULL instead of (varray_type) 0.
1842 2006-04-12 Roger Sayle <roger@eyesopen.com>
1844 * expr.c (emit_group_store): Correct operand order in call to
1845 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1846 a SUBREG_BYTE of zero.
1848 2006-04-12 Richard Guenther <rguenther@suse.de>
1850 * profile.c (compute_branch_probabilities): Remove code
1851 encapsulated in !ir_type (), which are remanents of the
1852 removed RTL profiling code.
1853 * rtl-profile.c: Remove.
1855 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1857 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1858 magic NULL_RTX comment.
1859 (function_arg): Store entire fp arg to mem if any part should go
1861 (rs6000_arg_partial_bytes): Adjust for above change.
1863 2006-04-11 Roger Sayle <roger@eyesopen.com>
1865 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1866 if it hasn't been initialized by dwarf2out_init.
1868 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1870 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1871 symbolic constants in branch patterns.
1873 2006-04-11 Roger Sayle <roger@eyesopen.com>
1875 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1877 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1879 PR rtl-optimization/27073
1880 * gcse.c (try_replace_reg): Revert last change. Continue to search
1881 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1884 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1886 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1887 aggregate types other than record and union types.
1888 (function_arg): Likewise.
1889 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1891 (function_value): In 64-bit mode, return objects that require it
1894 2006-04-11 Roger Sayle <roger@eyesopen.com>
1896 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1898 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1900 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1902 2006-04-03 Jeff Law <law@redhat.com>
1905 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1906 alias information too.
1908 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1910 * Makefile.in (gcc-cross): Add $(exeext) to target name.
1912 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1915 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1916 (premark_used_types_helper): New.
1917 (premark_used_types): New.
1918 (gen_subprogram_die): Call premark_used_types.
1919 (prune_unused_types_walk): Do not prune perennial dies.
1920 * function.c (used_types_insert): New.
1921 * function.h (struct function): Add used_types_hash field.
1922 (used_types_insert): Add prototype.
1923 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1924 * c-parser.c (c_parser_cast_expression): Save casted types in used
1927 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1930 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1931 rs6000_explicit_options.float_gprs.
1933 2006-04-10 Roger Sayle <roger@eyesopen.com>
1935 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1936 from ix86_expand_vector_init_low_nonzero. Take an additional
1937 one_var argument indicating which element is non-zero. Support
1938 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1939 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1940 with one_var instead of ix86_expand_vector_init_low_nonzero.
1942 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1944 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1945 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1946 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1947 build/genextract.o): Depend on vecprim.h.
1948 * cfglayout.c, df-problems.c, function.c, genextract.c,
1949 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1950 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1954 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1956 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1957 Declare VECs of this type.
1958 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1959 (remove_children): Delete.
1960 (add_dwarf_attr): Use VEC routines.
1961 (add_AT_flag): Update for changes to add_dwarf_attr.
1962 (add_AT_int): Likewise.
1963 (add_AT_unsigned): Likewise.
1964 (add_AT_long_long): Likewise.
1965 (add_AT_vec): Likewise.
1966 (add_AT_string): Likewise.
1967 (add_AT_die_ref): Likewise.
1968 (add_AT_fde_ref): Likewise.
1969 (add_AT_loc): Likewise.
1970 (add_AT_loc_list): Likewise.
1971 (add_AT_addr): Likewise.
1972 (add_AT_lbl_id): Likewise.
1973 (add_AT_lineptr): Likewise.
1974 (add_AT_macptr): Likewise.
1975 (add_AT_offset): Likewise.
1976 (add_AT_range_list): Likewise.
1977 (get_AT): Use VEC_iterate.
1978 (remove_AT): Use VEC_ordered_remove.
1979 (free_die): Fold remove_children into here; have it use VEC_iterate.
1980 (print_die): Use VEC_iterate on attrs.
1981 (reverse_die_lists): Don't reverse attr lists.
1982 (die_checksum): Use VEC_iterate on attrs.
1983 (same_die_p): Likewise.
1984 (output_location_lists): Likewise.
1985 (build_abbrev_table): Likewise.
1986 (size_of_die): Likewise.
1987 (unmark_all_dies): Likewise.
1988 (output_abbrev_section): Likewise.
1989 (output_die): Likewise.
1990 (prune_unused_types_walk_attribs): Likewise.
1992 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1994 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1996 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1999 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2001 2006-04-09 Roger Sayle <roger@eyesopen.com>
2003 * expr.c (store_constructor): Don't bother clearing target if
2004 we're about to assign a vector to it using vec_init_optab.
2006 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2008 * tree-ssa-alias.c (lhs_may_store_to): New function.
2009 (recalculate_used_alone): Handle LHS of calls.
2011 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2015 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2016 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2017 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2018 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2019 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2020 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2021 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2022 stubs. Add ".align 8" directives before all ".dword" directives.
2023 (GTHREAD_USE_WEAK): Revise comment.
2024 (TARGET_ATTRIBUTE_WEAK): Define.
2025 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2026 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2027 * stublib.c: New file.
2032 * pa.md (cbranch patterns): Revise arguments used in calls to
2033 output_cbranch, output_bb and output_bvd. Add long branch length
2035 (fbranch patterns): Handle long branches.
2036 (jump): Revise length check. Revise arguments for output_lbranch call.
2037 Add long branch length attributes.
2038 (decrement_and_branch_until_zero): Add long branch length attributes.
2039 (output_movb, output_parallel_addb and output_parallel_movb patterns):
2040 Likewise. Revise arguments for output_parallel_addb and
2041 output_parallel_movb calls.
2042 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2043 output_parallel_movb and output_parallel_addb): Update prototypes.
2044 * pa.c (output_cbranch): Revise arguments. Correct handling of
2045 nullification in long branches.
2046 (output_lbranch): Add new argument to control extraction of delay
2048 (output_bb): Handle long branches.
2049 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2050 output_parallel_addb): Likewise.
2052 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2054 PR rtl-optimization/27073
2055 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2058 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2060 * tree.h (tree_memory_tag): Add old_used_alone.
2061 (SMT_OLD_USED_ALONE): New macro.
2062 * tree-ssa-alias.c (recalculate_used_alone): Stop
2063 marking things for renaming unnecessarily.
2065 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2067 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2068 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2069 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2070 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2071 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2072 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2073 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2074 spelling convensions.
2075 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2076 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2077 typos. Follow spelling conventions.
2079 2006-04-07 DJ Delorie <dj@redhat.com>
2081 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2082 passed on the stack.
2083 (m32c_init_cumulative_args): When a function returns a structure,
2084 always pass the pointer to that return area on the stack.
2085 (m32c_function_arg_advance): Don't increment the parameter number
2086 if we're processing the returned structure pointer.
2087 (pushm_info): Reverse order of registers.
2089 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2091 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2092 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2093 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2094 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2096 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2097 chrec_fold_multiply): Same.
2098 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2099 force_expr_to_var_cost): Same.
2100 * tree-mudflap.c (mf_xform_derefs_1): Same.
2101 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2103 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2105 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2106 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2109 2006-04-07 Jan Hubicka <jh@suse.cz>
2111 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2113 2006-04-07 Richard Guenther <rguenther@suse.de>
2115 PR tree-optimization/26135
2116 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2117 loads for store copy-prop.
2118 (copy_prop_visit_stmt): Likewise.
2120 2006-04-05 Robert Millan <robertmh@gnu.org>
2122 * config/i386/linux.h: Add a comment to mark macros that are
2123 being overriden in config/k*bsd-gnu.h.
2124 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2126 * config/knetbsd-gnu.h: Ditto.
2128 2006-04-06 Jan Hubicka <jh@suse.cz>
2132 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2135 2006-04-06 Mike Stump <mrs@apple.com>
2137 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2138 for HAVE_nonlocal_goto to be consistent.
2139 (expand_builtin_nonlocal_goto): Likewise.
2140 (expand_builtin_strcmp): Use #ifdef instead of #if
2141 for HAVE_cmpstrnsi to be consistent.
2143 2006-04-05 DJ Delorie <dj@redhat.com>
2145 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2148 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2150 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2151 got-relative addressing for anything but SImode.
2153 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2154 even if the calling function doesn't modify them.
2156 2006-04-05 Richard Guenther <rguenther@suse.de>
2158 PR tree-optimization/26919
2159 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
2160 to cgraph_estimate_size_after_inlining.
2162 2006-04-05 Alan Modra <amodra@bigpond.net.au>
2164 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
2166 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
2168 PR tree-optimization/26996
2169 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
2170 VECTOR_TYPE variables.
2172 2006-04-05 Richard Guenther <rguenther@suse.de>
2174 PR tree-optimization/26763
2175 * fold-const.c (fold_comparison): Move folding of
2176 PTR + CST CMP PTR + CST ...
2177 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2179 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
2181 * doc/install.texi (Prerequisites): Refine some wording on
2182 bootstrapping and ksh.
2183 Move the version numbers of DejaGnu here from the testing section
2184 and fix casing of names.
2185 Fix markup and clarify wording for autogen requirements.
2186 Refer to GCJ instead of just java.
2187 Refer to SVN instead of CVS.
2188 Describe diffutils as useful instead of necessary.
2189 (Downloading the source): Refer to SVN instead of CVS.
2190 Adjust a link to our web site accordingly.
2191 (Configuration): Fix casing of Bison.
2192 (Building): Refer to SVN instead of CVS.
2193 Fix a sentence on the use of Bison and remove duplicate (and
2194 incorrect) version number of Bison requirement.
2195 Remove one redundant list of packages needed for building.
2196 (Specific): Avoid reference to CVS.
2198 2006-04-04 Eric Christopher <echristo@apple.com>
2200 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2201 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2202 (rs6000_handle_struct_attribute): New.
2203 (rs6000_ms_bitfield_layout_p): Ditto.
2205 2006-04-04 Geoffrey Keating <geoffk@apple.com>
2207 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
2208 NULL for dso parameter to atexit_common.
2210 2006-04-04 Eric Christopher <echristo@apple.com>
2212 * config/i386/i386.c (machopic_output_stub): Output \t
2213 between instructions and operands.
2215 2006-04-04 David Edelsohn <edelsohn@gnu.org>
2217 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
2218 satisfies_constraint_[IL] to explicit tests on value.
2220 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
2222 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2223 set_nb_iterations_in_loop): Use build_int_cst instead of
2225 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
2226 build_int_cst instead of convert.
2228 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
2230 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
2231 new value 2 for incoming.
2232 * function.c (expand_function_start): Call struct_value_rtx
2234 * config/sparc/sparc.md: Comment updated_return.
2235 * config/sparc/sparc.opt: Add -mstd-struct-return option.
2236 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
2237 struct return if sparc_std_struct_return and incoming is 2.
2238 (print_operand): Do not adjust return if
2239 sparc_std_struct_return.
2241 2006-04-04 Roger Sayle <roger@eyesopen.com>
2243 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
2244 convert in the middle-end.
2245 * expr.c (store_expr, store_constructor, get_inner_reference,
2246 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
2248 * tree.c (build_range_type): Likewise.
2250 2006-04-04 Tom Tromey <tromey@redhat.com>
2252 * doc/install.texi (Prerequisites): Mention jar.
2254 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
2256 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2259 2006-04-04 Matthias Klose <doko@debian.org>
2261 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
2262 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2265 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2267 * doc/extend.texi (Function Attributes): Rewrite visibility
2268 attribute documentation.
2269 * doc/invoke.texi (C++ Dialect Options): Rewrite
2270 -fvisibility-inlines-hidden documentation to describe something
2271 entirely different, although in practise compatible.
2272 (Code Gen Options): Warn about system headers in -fvisibiltity=
2275 * doc/extend.texi (Other Builtins): Document that
2276 __builtin_nan is a compile-time constant only when its argument
2279 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
2281 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
2282 trying to remove TRUNCATE check if all bits outside the new mode
2283 are identical to the sign bit.
2285 2006-04-03 Jeff Law <law@redhat.com>
2287 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
2288 and operand scanning in some common cases.
2290 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2291 Dale Johannesen <dalej@apple.com>
2294 * regclass.c (struct reg_pref): Update documentation.
2295 (regclass): Set prefclass to NO_REGS if memory is the best option.
2296 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2297 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
2298 into account. For non-registers, equate an empty preferred
2299 reload class to a `!' in the constraint; move the if clause to
2300 do so after those that reject the insn.
2301 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
2303 (find_dummy_reload): Likewise.
2304 * doc/tm.texi (Register Classes): Document what it means
2305 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2306 * config/i386/i386.c (ix86_preferred_reload_class): Force
2307 using SSE registers (and return NO_REGS for floating-point
2308 constants) if math is done with SSE.
2309 (ix86_preferred_output_reload_class): New.
2310 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2311 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2312 * config/i386/i386.md: Remove # register preferences.
2314 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2317 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2318 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2319 the type of nb_iter.
2320 (instantiate_parameters_1): Convert the operands before calling
2321 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2322 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2324 2006-04-02 Roger Sayle <roger@eyesopen.com>
2326 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2327 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2329 * dojump.c (do_jump): Likewise.
2330 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2331 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2332 gimplify_boolean_expr): Likewise.
2333 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2334 * varasm.c (array_size_for_constructor): Likewise.
2335 * tree-object-size.c (compute_object_offset): Likewise.
2337 2006-04-02 Roger Sayle <roger@eyesopen.com>
2340 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2341 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2343 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2345 PR tree-optimization/26939
2346 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2348 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2350 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
2351 at_stmt. Convert the type of operands before calling
2352 build_polynomial_chrec.
2353 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
2355 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
2356 (instantiate_parameters_1): Convert the type of operands before calling
2357 build_polynomial_chrec.
2358 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2359 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
2360 reset_evolution_in_loop): Insert asserts to check the types of the
2362 (chrec_type): Moved...
2363 (eq_evolutions_p): Use operand_equal_p.
2364 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
2365 the types of the operands.
2366 (chrec_type): ...here.
2367 * tree-data-ref.c (create_data_ref): Convert the operands before
2368 calling chrec_replace_initial_condition.
2369 (same_access_functions, analyze_subscript_affine_affine,
2370 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
2371 (compute_subscript_distance, analyze_ziv_subscript,
2372 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
2373 analyze_miv_subscript): Convert the operands before calling
2374 chrec_fold_minus or chrec_fold_plus.
2376 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2378 * tree-data-ref.c (compute_all_dependences): Use a pointer to
2379 the dependence_relations vector.
2380 (compute_data_dependences_for_loop): Adjust call to
2381 compute_all_dependences.
2383 2006-04-01 Roger Sayle <roger@eyesopen.com>
2384 Richard Henderson <rth@redhat.com>
2386 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2387 gimple_boolify on the condition before calling gimplify_expr.
2389 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2391 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2392 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2393 the frame size. Update to use the new macros.
2394 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2395 * config/xtensa/ieee754-df.S: Likewise.
2397 2006-03-31 Richard Henderson <rth@redhat.com>
2399 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2400 (make_edges): ... here. Control fallthru creation with a local
2401 variable. Do not play with fake edges.
2402 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2403 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2406 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2408 * dwarf2.h (DW64_CIE_ID): Define.
2409 * dwarf2out.c (DWARF_CIE_ID): Define.
2410 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2411 length header. Use DWARF_CIE_ID.
2412 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2413 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2415 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2417 * config/sh/linux-atomic.asm: New file.
2418 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2420 2006-03-31 DJ Delorie <dj@redhat.com>
2422 * config/m32c/cond.md: Set condition flags properly throughout.
2423 * config/m32c/minmax.md: Likewise.
2424 * config/m32c/prologue.md: Likewise.
2425 * config/m32c/bitops.md: Likewise.
2426 * config/m32c/muldiv.md: Likewise.
2427 * config/m32c/mov.md: Likewise.
2428 * config/m32c/addsub.md: Likewise.
2429 * config/m32c/m32c.md: Likewise.
2430 * config/m32c/jump.md: Likewise.
2431 * config/m32c/shift.md: Likewise.
2433 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2434 conditionally output the pattern for this.
2435 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2436 (m32c_compare_redundant): New.
2437 (m32c_output_compare): New.
2438 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2440 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2441 dest, not src. Allow other 4-byte modes.
2443 2006-03-30 Denis Chertykov <denisc@overta.ru>
2445 * doc/md.texi: Refer to avr/constraints.md instead of
2448 2006-03-30 Roger Sayle <roger@eyesopen.com>
2450 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2451 signed vs. unsigned comparison failures on some hosts.
2453 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2456 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2457 change to FLOAT_REGS.
2459 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2460 (rs6000_override_options): Use it.
2461 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2462 only for -mabi=spe/no-spe and -mabi=altivec.
2464 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2466 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2469 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2471 * Makefile.in: Rename docdir to gcc_docdir.
2473 2006-03-30 Roger Sayle <roger@eyesopen.com>
2476 * expr.c (emit_group_store): Optimize group stores into a pseudo
2477 register by using a paradoxical subreg to initialize the destination
2478 if the first or last member of the group specifies a "low part".
2480 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2483 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2484 * target.h (struct gcc_target.speculate_insn): Change type of the
2485 second parameter to 'int'.
2486 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2487 the second operand of the DEPS_LIST.
2488 (copy_DEPS_LIST_list): Update reference to the second operand of the
2490 * rtl.h (alloc_DEPS_LIST): Update signature.
2491 * sched-int.h (ds_t): Change typedef to 'int'.
2492 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2494 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2496 * haifa-sched.c (try_ready): Change condition to restore
2497 non-speculative pattern of the instruction.
2498 (process_insn_depend_be_in_spec): Code to keep probability of the
2499 speculative dependence non-decreasing.
2501 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2503 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2504 (single_move_for_movmem): ... this. Also change all uses.
2505 (bfin_expand_strmov): Renamed to...
2506 (bfin_expand_movmem): ... this. Also change all uses.
2507 * config/bfin/bfin.md (movstrsi): Renamed to...
2508 (movstrsi): ...this.
2510 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2512 PR tree-optimization/26830
2514 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2515 (copy_prop_visit_stmt): Remove write-only variable ann.
2516 (init_copy_prop): Check variable loop depth here. Do not simulate
2517 memory-tag and virtual operand PHIs except for store copy prop.
2519 2006-03-30 Richard Guenther <rguenther@suse.de>
2521 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2522 variants with double arguments.
2524 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2526 * genpreds.c (write_tm_constrs_h): Delete variable p.
2527 * genconditions.c (write_header): Add tm-constrs.h to included
2529 * genpeep.c (main): Add toplev.h to included headers.
2530 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2531 (build/genpeep.o): Add toplev.h dependency.
2532 * config/rs6000/constraints.md: Add "W" constraint.
2534 2006-03-29 Roger Sayle <roger@eyesopen.com>
2536 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2537 sizes by correctly testing whether the size fits a host integer.
2538 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2539 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2540 SImode range for the default sizetype and bitsizetype.
2542 2006-03-29 Roger Sayle <roger@eyesopen.com>
2544 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2545 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2546 quickly if the argument is already of the correct type.
2547 Call fold_build1 instead of build1. Tidy up blank lines.
2549 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2551 * genemit.c (main): Add tm-constrs.h to included headers.
2552 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2553 * genpeep.c (main): Add tm-constrs.h to included headers.
2554 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2555 (write_tm_constrs_h): this and write complete file.
2556 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2557 (write_insn_preds_c): Add tm-constrs.h to included headers.
2558 (gen_constrs): New variable.
2559 (parse_option): Parse "-c".
2560 (main): Invoke write_tm_constrs_h.
2561 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2562 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2563 (object_out_file): Add tm-constrs.h dependency.
2564 (insn-emit.o): Same.
2565 (insn-output.o): Same.
2566 (insn-peep.o): Same.
2567 (insn-preds.o): Same.
2568 (insn-recog.o): Same.
2569 (tm-constsr.h): New target.
2570 (s-constrs-h): New target.
2572 * config/rs6000/constraints.md: New file.
2573 * config/rs6000/rs6000.c: Include tm-constrs.h.
2574 (num_insn_constant_wide): Convert to satisfies_constraint.
2575 (rs6000_rtx_costs): Convert to satisfies_constraint.
2576 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2577 (CONST_OK_FOR_LETTER_P): Delete.
2578 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2579 (EXTRA_CONSTRAINT): Delete.
2580 (EXTRA_MEMORY_CONSTRAINT): Delete.
2581 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2582 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2583 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2584 satisfies_constraint.
2586 * config/i386/i386.c: Include tm-constrs.h.
2588 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2590 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2591 * tree-data-ref.c (find_data_references_in_loop,
2592 compute_data_dependences_for_loop): Use pointers to VEC.
2593 (analyze_all_data_dependences): Adjust calls.
2594 * tree-data-ref.h (find_data_references_in_loop,
2595 compute_data_dependences_for_loop): Adjust declarations.
2596 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2597 compute_data_dependences_for_loop.
2599 2006-03-29 Paul Brook <paul@codesourcery.com>
2601 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2604 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2606 PR tree-optimization/26859
2607 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2609 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2610 for the step after fold_convert.
2612 2006-03-29 Paul Brook <paul@codesourcery.com>
2614 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2615 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2617 2006-03-29 Paul Brook <paul@codesourcery.com>
2620 * targhooks.c (default_narrow_bitfield): New fuction.
2621 * targhooks.h (default_narrow_bitfield): add prototype.
2622 * target.h (gcc_target): Add narrow_volatile_bitfield.
2623 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2624 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2625 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2626 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2628 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2630 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2632 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2633 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2634 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2635 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2636 (s390_function_arg_float): Allow SDmode and DDmode values to be
2637 passed in floating point registers.
2638 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2639 check with SCALAR_FLOAT_MODE_P.
2640 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2642 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2644 PR tree-optimization/25985
2645 * tree-ssa-loop-niter.c (number_of_iterations_le,
2646 number_of_iterations_ne): Make comments more precise.
2647 (number_of_iterations_cond): Add only_exit argument. Use the
2648 fact that signed variables do not overflow only when only_exit
2650 (loop_only_exit_p): New.
2651 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2652 number_of_iterations_cond.
2654 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2656 PR tree-optimization/26643
2657 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2660 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2662 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2663 (divsi3_i4_int): Likewise.
2665 2006-03-28 Roger Sayle <roger@eyesopen.com>
2667 * expr.c (emit_group_store): Only create a new pseudo reg if the
2668 quantity it needs to hold isn't already a suitable pseudo.
2670 2006-03-28 Jeff Law <law@redhat.com>
2672 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2673 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2675 2006-03-28 Roger Sayle <roger@eyesopen.com>
2677 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2678 the equivalent ~X & Y, and the symmetry related transformations.
2679 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2680 ~X & Y, and symmetry related transforms.
2682 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2684 Revert my 2006-03-27 patches.
2686 2006-03-28 Roger Sayle <roger@eyesopen.com>
2688 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2689 ~(T1)X, when T1 and T2 are integer types of the same precision
2690 and (T2)X isn't an extension.
2692 2006-03-28 Jeff Law <law@redhat.com>
2694 PR tree-optimization/26796
2695 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2696 need EH edge cleanups rather than purging them immediately.
2697 (eliminate_degenerate_phis): Handle queued EH cleanups.
2699 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2701 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2704 2006-03-27 Roger Sayle <roger@eyesopen.com>
2707 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2708 cast BIT_NOT_EXPR operand to the correct type.
2710 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2712 * tree-loop-linear.c: Don't include varray.h.
2713 (gather_interchange_stats, try_interchange_loops,
2714 linear_transform_loops): Use VEC instead of VARRAY.
2715 * lambda-mat.c: Don't include varray.h.
2716 * tree-chrec.c: Same.
2717 * lambda-trans.c: Same.
2718 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2719 VEC instead of VARRAY.
2720 * tree-vectorizer.h: Idem.
2721 * tree-data-ref.c (dump_data_references,
2722 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2723 initialize_data_dependence_relation, finalize_ddr_dependent,
2724 compute_all_dependences, find_data_references_in_loop,
2725 compute_data_dependences_for_loop, analyze_all_data_dependences,
2726 free_dependence_relation, free_dependence_relations,
2727 free_data_refs): Idem.
2728 * tree-data-ref.h (data_reference_p, subscript_p): New.
2729 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2730 VEC instead of VARRAY.
2731 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2732 (find_data_references_in_loop, compute_data_dependences_for_loop,
2733 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2734 dump_data_dependence_relations, free_dependence_relations,
2735 free_data_refs): Adjust declaration.
2736 (lambda_transform_legal_p): Move declaration here...
2737 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2738 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2739 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2740 vect_analyze_data_refs): Use VEC instead of VARRAY.
2741 * lambda.h (lambda_transform_legal_p): ...from here.
2742 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2743 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2744 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2745 tree-chrec.o): Don't depend on VARRAY_H.
2747 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2749 * rtl.def (Copyright): Update date.
2750 (DEPS_LIST): Change type of the second operand to 'int'.
2751 * target.h (Copyright): Update date.
2752 (struct gcc_target.speculate_insn): Change type of the second parameter
2754 * lists.c (Copyright): Update date.
2755 (alloc_DEPS_LIST): Change signature. Update reference to the second
2756 operand of the DEPS_LIST.
2757 (copy_DEPS_LIST_list): Update reference to the second operand of the
2759 * rtl.h (Copyright): Update date.
2760 (alloc_DEPS_LIST): Update signature.
2761 * sched-int.h (Copyright): Update date.
2762 (ds_t): Change typedef to 'int'.
2763 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2765 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2767 * haifa-sched.c (Copyright): Update date.
2768 (try_ready): Change condition to restore non-speculative pattern
2770 (process_insn_depend_be_in_spec): Code to keep probability of the
2771 speculative dependence non-decreasing.
2773 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2775 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2776 shut up the compiler.
2778 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2780 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2781 to use lib prefix for target.
2782 ($(T)libic_invalidate_array_4-200.a): Likewise.
2783 ($(T)libic_invalidate_array_4a.a): Likewise.
2785 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2786 J"orn Rennecke <joern.rennecke@st.com>
2788 * superh.opt: New file.
2789 * sh.c (boardtype, osruntime): Remove.
2790 * superh.h (SUBTARGET_OPTIONS): Remove.
2791 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2793 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2794 arguments with ^ and/or [].
2796 * config.gcc (sh-*-*): Add quoting to account for quirk of
2798 Replace == with = in enable_incomplete_targets test.
2800 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2801 with MASK_LITTLE_ENDIAN.
2803 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2804 * config/sh/sh.opt: Added to some comments.
2805 * config/sh/superh.h: Removed some chaff.
2807 * config/sh/sh.opt: Add m4-[1234]00* options.
2808 * config/sh/sh.c (sh_handle_option): Likewise.
2809 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2810 (ic_invalidate_array_4-100.o): New rule.
2811 ($(T)libic_invalidate_array_4-100.a): Likewise.
2812 (ic_invalidate_array_4-200.o): Likewise.
2813 ($(T)libic_invalidate_array_4-200.a): Likewise.
2814 (ic_invalidate_array_4a.o): Likewise.
2815 ($(T)libic_invalidate_array_4a.a): Likewise.
2816 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2817 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2819 * config/sh/crt1.asm: Merged in profiling code.
2820 * config/sh/superh.h (STARTFILE_SPEC): Override.
2821 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2822 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2823 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2825 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2826 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2827 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2829 * sh.opt (mpretend-cmove): New option.
2830 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2831 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2832 (movsicc): Add TARGET_PRETEND_CMOVE code.
2834 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2836 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2837 s390_class_max_nregs): New function prototypes.
2838 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2839 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2840 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2841 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2843 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2845 * dwarf2out.c (add_location_or_const_value_attribute): Call
2846 tree_add_const_value_attribute if nothing else works.
2847 (reference_to_unused): New.
2848 (rtl_for_decl_init): Use reference_to_unused to decide whether
2849 to output an initializer.
2851 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2854 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2855 peephole removing spe frob_di_df_2.
2857 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2859 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2860 (subscript_dependence_tester_1): Declared.
2861 (print_dir_vectors, print_dist_vectors): New.
2862 (debug_data_dependence_relation): New.
2863 (dump_data_dependence_relation): Print more details.
2864 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2865 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2866 (save_dist_v, save_dir_v, add_outer_distances,
2867 build_classic_dist_vector_1): New.
2868 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2869 Don't test for lambda_vector_lexico_pos.
2870 (same_access_functions, add_multivariate_self_dist,
2871 add_other_self_distances, dir_from_dist): New.
2872 (build_classic_dir_vector): Replace implementation almost identical to
2873 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2875 (subscript_dependence_tester_1): New.
2876 (subscript_dependence_tester): Handle the lexicographically negative
2877 distance vectors by recomputing the dependence relation.
2878 (compute_affine_dependence): Remove parameter loop_nest_depth.
2879 (compute_self_dependence): Don't call compute_subscript_distance.
2880 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2881 Add a parameter for the loop_nest.
2882 (find_loop_nest_1, find_loop_nest): New.
2883 (compute_data_dependences_for_loop): Compute the loop nest, and give
2884 up if the nest is not well formed.
2885 * tree-data-ref.h (loop_p): New.
2886 (struct data_dependence_relation): Replace size_vect field with
2887 loop_nest, a vec of loops.
2888 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2889 (DDR_LOOP_NEST): New.
2890 (print_dir_vectors, print_dist_vectors,
2891 debug_data_dependence_relation): Declared.
2892 (index_in_loop_nest): New.
2893 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2894 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2897 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2899 * simplify-rtx.c (simplify_relational_operation): Call
2900 simplify_relational_operation_1 even if mode is VOIDmode.
2902 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2904 PR tree-optimization/26804
2905 * tree.h (DECL_CALL_CLOBBERED): New macro.
2906 (tree_decl_common): Add call_clobbered_flag.
2907 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2908 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2909 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2910 (mark_non_addressable): Ditto.
2911 * tree-ssa.c (verify_call_clobbered): New function.
2912 (verify_alias_info): Use it.
2913 * tree-pass.h (pass_reset_cc_flags): New prototype.
2914 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2915 (reset_cc_flags): New function.
2916 * passes.c (init_optimization_passes): Call reset_cc_flags after
2917 initializing referenced_vars.
2919 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2920 Roger Sayle <roger@eyesopen.com>
2923 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2924 to 1.0 for non-real operands. Implement A / A optimization for
2927 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2929 * config/i386/i386.c (size_cost): Correct the comment for
2930 cost of storing fp registers.
2931 (i386_cost): Likewise.
2932 (i486_cost): Likewise.
2933 (pentium_cost): Likewise.
2934 (pentiumpro_cost): Likewise.
2935 (k6_cost): Likewise.
2936 (athlon_cost): Likewise.
2937 (k8_cost): Likewise.
2938 (pentium4_cost): Likewise.
2939 (nocona_cost): Likewise.
2940 (generic64_cost): Likewise.
2941 (generic32_cost): Likewise.
2943 2006-03-24 Denis Chertykov <denisc@overta.ru>
2945 * config/avr/avr-protos.h (extra_constraint): Delete.
2946 (extra_constraint_Q): New declaration.
2947 * config/avr/constraints.md: New file.
2948 * config/avr/avr.md: Include it.
2949 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2950 (TMP_REGNO, ZERO_REGNO): Likewise.
2951 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2952 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2953 (extra_constraint): Delete.
2954 (extra_constraint_Q): Test for memory constraint 'Q'.
2955 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2956 (REG_CLASS_FROM_LETTER): Delete.
2957 (CONST_OK_FOR_LETTER_P): Delete.
2958 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2959 (EXTRA_CONSTRAINT): Delete.
2960 (TMP_REGNO): Delete.
2961 (ZERO_REGNO): Delete.
2963 2006-03-24 Jeff Law <law@redhat.com>
2965 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2966 directly. Call mark_new_vars_to_rename slightly earlier.
2968 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2970 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2972 (gen_compile_unit_die): Use new language types for Objective-C and
2974 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2975 DW_LANG_C_plus_plus.
2978 * config/t-darwin (crt3.o): Work around bug 26840.
2979 * config/darwin-crt3.c: Rewrite.
2980 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2982 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2984 * doc/invoke.texi: Document -femit-class-debug-always
2985 * common.opt: Add -femit-class-debug-always.
2987 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2989 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2990 index and base register.
2991 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2992 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2993 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2994 REGNO_OK_FOR_INDEX_P.
2995 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2997 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2998 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2999 REG_OK_FOR_BASE_P): Definitions removed.
3001 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3004 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3005 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3006 set yet or weren't marked as local yet.
3008 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3010 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3013 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3015 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3016 (rs6000_legitimate_small_data_p): Delete.
3017 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3018 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3019 and make static. Add forward declaration. Update uses.
3020 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3021 of offsettable_memref_p.
3022 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3023 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3025 2006-03-24 Jeff Law <law@redhat.com>
3027 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3028 around bug in immediate-use iterator.
3030 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3033 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3034 or __LITTLE_ENDIAN__.
3036 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
3038 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
3039 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
3040 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3041 * config/sh/sh.opt (mdiv=): Amend description.
3042 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3043 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3044 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3045 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3046 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3047 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3048 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3049 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3050 TARGET_DIVIDE_CALL_FP.
3052 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3054 * haifa-sched.c (choose_ready): Fix type of the local variable.
3055 Move local variables. Add comment.
3056 (check_reg_live): Change signature. Make callable from debugger.
3057 * sched-int.h (check_reg_live): Update signature.
3058 * sched-ebb.c (check_reg_live): Update parameters.
3059 * sched-rgn.c (check_reg_live): Ditto.
3060 (region_head_or_leaf_p): Check pointer before dereferencing.
3061 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3062 before reload on optimization levels below 1.
3064 2006-03-23 Richard Henderson <rth@redhat.com>
3066 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3070 * config/alpha/predicates.md (local_symbolic_operand): Reject
3073 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3076 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3077 expressions which have overflowed constants.
3079 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3081 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3083 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3085 * cfgloopmanip.c (create_loop_notes): Removed.
3086 * final.c (final_scan_insn): Do not handle loop notes.
3087 * jump.c (squeeze_notes): Ditto.
3088 * cfglayout.c (skip_insns_after_block,
3089 duplicate_insn_chain): Ditto.
3090 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3092 * cfgloop.h (create_loop_notes): Declaration removed.
3094 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3096 * varasm.c (output_constant_pool): Restore fnname and fndecl
3098 (assemble_start_function): Adjust call accordingly.
3099 (assemble_end_function): Likewise.
3101 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3104 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3107 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3109 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3112 * system.h (ICE_EXIT_CODE): New macro.
3113 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3114 (diagnostic_action_after_output): Likewise.
3115 * gcc.c (fatal_ice): New function.
3116 (execute): Use it instead of fatal.
3117 (fancy_abort): Likewise.
3118 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3120 2006-03-22 Jeff Law <law@redhat.com>
3122 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3123 iv_analyze_result returning false.
3125 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3127 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3129 2006-03-22 Richard Henderson <rth@redhat.com>
3132 * except.c (duplicate_eh_regions_0): New.
3133 (duplicate_eh_region_1): Duplicate the children of the node as
3134 well as the node itself. Link them up properly.
3135 (duplicate_eh_region_2): Merge into ...
3136 (duplicate_eh_regions): ... here. Take copy_region argument, and
3137 copy only a sub-tree if asked. Simplify copying and fixup.
3138 (eh_region_outer_p): New.
3139 * except.h (duplicate_eh_regions): Update decl.
3140 (eh_region_outer_p): Declare.
3141 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3142 (lower_omp_master): Likewise.
3143 (lower_omp_ordered): Likewise.
3144 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3145 (move_stmt_r): Use it to remap labels. Handle recursion vs
3146 remap_decls_p properly.
3147 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3148 (find_outermost_region_in_block): New.
3149 (new_label_mapper): New.
3150 (move_sese_region_to_fn): Copy eh information to the new function
3152 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3154 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3157 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3159 * doc/md.texi (-mshared): Mention that -mshared code can be linked
3160 into shared libraries.
3162 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3164 * doc/md.texi: Refer to i386/constraints.md instead of
3166 * config/i386/constraints.md: New file, extracted from...
3167 * config/i386/predicates.md: ...here.
3168 * config/i386/i386.md: Include constraints.md.
3170 2006-03-21 Jason Merrill <jason@redhat.com>
3172 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
3175 * expr.c (init_block_move_fn): Force default visibility.
3176 (init_block_clear_fn): Likewise.
3177 * builtins.c (expand_builtin_fork_or_exec): Likewise.
3178 * targhooks.c (default_external_stack_protect_fail): Likewise.
3180 2006-03-21 Richard Sandiford <richard@codesourcery.com>
3182 * config/mips/predicates.md (const_call_insn_operand): Allow direct
3183 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
3184 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
3185 Use TARGET_OLDABI instead of !TARGET_NEWABI.
3186 (loadgp): Use mips_current_loadgp_style.
3187 (loadgp_noshared): New pattern.
3188 (sibcall_internal): Use MIPS_CALL.
3189 (sibcall_value_internal): Likewise.
3190 (sibcall_value_multiple_internal): Likewise.
3191 (call_internal): Likewise.
3192 (call_value_internal): Likewise.
3193 (call_value_multiple_internal): Likewise.
3194 (call_split): Use MIPS_CALL and add an 'S' constraint.
3195 (call_value_split): Likewise.
3196 (call_value_multiple_split): Likewise.
3197 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3198 (-mshared): New option.
3199 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3200 (mips_current_loadgp_style): Declare.
3201 * config/mips/mips.c (mips_classify_symbol): Avoid using
3202 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3203 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3204 TARGET_ABSOLUTE_ABICALLS.
3205 (override_options): Adjust comments. Improve the warning that is
3206 issued when -mabicalls and -G are used together.
3207 (mips_file_start): Remove comment.
3208 (mips_current_loadgp_style): New function.
3209 (mips_gnu_local_gp): New variable.
3210 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
3212 (mips_output_function_prologue): Use mips_current_laodgp_style.
3213 (mips_expand_prologue): Call mips_emit_loadgp before emitting
3214 the cprestore instruction.
3215 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
3216 live for TARGET_ABSOLUTE_ABICALLS.
3217 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
3218 (ASM_SPEC): Pass down -mshared and -mno-shared.
3219 (MIPS_CALL): New macro.
3220 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
3222 * doc/invoke.texi (-mabicalls): Update documentation.
3223 (-mshared): Document.
3225 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3227 * config/ia64/unwind-hpux.c: New file.
3228 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
3230 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3233 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
3235 2006-03-21 Jeff Law <law@redhat.com>
3237 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
3238 type conversions of a VR_VARYING source to a wider type.
3240 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3242 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
3243 tm_file on Solaris 10 and later.
3244 (sparc64-*-solaris2*): Likewise.
3245 (sparc-*-solaris2*): Likewise.
3246 * config/sol26.h: Rename to config/sol2-6.h.
3247 * config/sol2-10.h: New file.
3249 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
3252 * tree-ssa-pre.c (create_component_ref_by_pieces):
3255 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3258 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3259 return it immediately.
3261 2006-03-21 Michael Matz <matz@suse.de>
3263 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3265 (remove_arc, add_arc): Update num_out_arcs member.
3266 (set_out_arc_insns_equiv_num): Returns nothing instead of number
3268 (cache_presence): New function.
3269 (compare_states_for_equiv): New function.
3270 (state_is_differed): Don't take number of outargs, adjust callers.
3271 Use new invariant for speeding up.
3272 (init_equiv_class): Create initial classes based on sorted
3274 (partition_equiv_class): Don't track out_arcs_num.
3275 (evaluate_equiv_classes): Call cache_presence on all states and
3278 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
3280 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
3281 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
3282 (bfin_valid_reg_p): Test for pseudos explicitly and use only
3283 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
3285 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
3286 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
3287 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
3288 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
3289 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
3291 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
3292 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
3293 (REGNO_REG_CLASS): ARGP is in PREGS.
3294 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
3296 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
3297 to deal with those addresses.
3298 * addresses.h: New file.
3299 * caller-save.c: Include "addresses.h".
3300 (init_caller_save): Use new base_reg_class function.
3301 * rtl-factoring.c: Include "addresses.h".
3302 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
3303 * recog.c: Include "addresses.h".
3304 (preprocess_constraints): Use new base_reg_class function.
3305 * regrename.c: Include "addresses.h".
3306 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3307 functions. Keep track of a new var INDEX_CODE to compute valid
3309 (replace_oldest_value_addr): Likewise.
3310 (replace_oldest_value_mem): Use base_reg_class.
3311 * reload.c: Include "addresses.h".
3312 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3313 (find_reloads): Use new base_reg_class function.
3314 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3315 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3316 all callers and prototype changed.
3317 * reload1.c: Include "addresses.h".
3318 (maybe_fix_stack_asms): Use base_reg_class.
3319 * regclass.c: Include "addresses.h".
3320 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3321 (init_reg_autoinc): Use new base_reg_class function.
3322 (record_reg_classes): Likewise.
3323 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3324 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3325 Use new args to compute necessary class.
3327 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3328 regrename.o, rtl-factoring.o): Update dependencies.
3329 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3330 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3331 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3332 REG_OK_FOR_INDEX_P): Delete documentation.
3334 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
3336 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
3337 from V7 to V9 for Solaris 7 and above.
3339 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3341 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3342 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3343 argument pointers may not alias any other storage.
3344 * common.opt: Define option -fargument-noalias-anything.
3345 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
3346 alias semantics is specified by flag_argument_noalias > 2.
3348 2006-03-20 Jeff Law <law@redhat.com>
3350 * tree-pass.h (pass_phi_only_copy_prop): Delete.
3351 (pass_phi_only_cprop): Declare.
3352 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
3354 * tree-ssa-dom.c (degenerate_phi_result): New function.
3355 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
3356 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
3357 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
3358 (eliminate_degenerate_phis): Likewise.
3359 (pass_phi_only_cprop): New pass descriptor.
3360 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
3361 support code. Callers updated.
3362 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
3363 (store_copy_prop): Likewise.
3364 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
3366 2006-03-20 Jason Merrill <jason@redhat.com>
3369 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
3370 (push_visibility, pop_visibility): Likewise.
3371 * c-pragma.h: Declare them.
3373 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3375 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
3377 * config/sh/sh.c (find_regmode_weight): Change the type of the first
3378 parameter and use get_ebb_head_tail.
3379 (sh_md_init_global): Adjust uses of find_regmode_weight.
3381 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3383 * function.h (struct function) <x_tail_recursion_reentry>:
3384 Rename to x_stack_check_probe_note.
3385 (tail_recursion_reentry): Rename to stack_check_probe_note.
3386 * function.c: Replace tail_recursion_reentry with
3387 stack_check_probe_note everywhere.
3388 (expand_function_start): Only emit a note for
3389 stack_check_probe_note with -fstack-protect.
3390 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3392 * emit-rtl.c (remove_unnecessary_notes): Remove.
3393 (pass_remove_unnecessary_notes): Remove.
3394 * rtl.h (remove_unnecessary_notes): Remove prototype.
3395 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3396 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3397 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3399 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3402 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3403 (valid_in_set): Handle ARRAY_REF.
3404 Change "if min_variant or VH" to asserts.
3405 (create_component_ref_by_pieces): Handle ARRAY_REF.
3406 (create_expression_by_pieces): Likewise.
3407 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3409 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3411 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3412 is operand of switch, not str[0].
3414 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3416 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3417 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3419 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3421 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3422 end of insn_extra_address_constraint declaration.
3424 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3426 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3427 (no-sum-in-toc): Same.
3428 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3430 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3431 NO_FP_IN_TOC for -fPIC instead of mask.
3433 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3434 (BOOT_LDFLAGS): Delete.
3436 * config/rs6000/t-aix52: Same.
3438 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3439 (stmsi[345678]_power): New.
3441 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3443 * config/ia64/ia64.opt: Add empty line to end of file.
3445 2006-03-17 Richard Guenther <rguenther@suse.de>
3448 * builtins.c (get_pointer_alignment): For component style references
3449 adjust alignment to the component type alignment. Make sure
3450 to adjust alignment for component access of constants.
3452 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3454 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3457 2006-03-17 Paul Brook <paul@codesourcery.com>
3459 * doc/install.texi: Docuemnt --with-mode.
3460 * config.gcc: Add --with-mode for arm*-*-*.
3461 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3463 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3465 * sh.c (max_labelno_before_reorg): New variable.
3466 (sh_reorg): Initialize it.
3467 (find_barrier): Check max_labelno_before_reorg before using
3468 label_to_alignment. Take length of explicit alignment insns
3469 into account. When seeing a UNSPECV_CONST_END, return it.
3471 * sh.c (fixup_mova): Set mode of affected label to QImode.
3472 (untangle_mova): New function.
3473 (find_barrier): Use it. Check mode of label before decrementing
3475 (sh_reorg): Likewise.
3476 Set mode of all insns back to VOIDmode.
3478 * sh.c (MOVA_LABELREF): New macro.
3479 (mova_p, fixup_mova, sh_reorg): Use it.
3480 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3481 ADDR_DIFF_VEC matches mova.
3483 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3485 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3486 with ATTRIBUTE_UNUSED.
3488 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3490 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3491 pointer, instead of assuming it is possible to derive the
3492 correct args size from a call insn.
3494 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3496 * rtl.h (CONST_INT_P): Define.
3497 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3498 instead of GET_CODE(x) == CONST_INT.
3499 (vax_rtx_costs): Likewise.
3500 (vax_output_int_move): Likewise.
3501 (vax_output_int_add): Likewise.
3502 (legitimate_constant_address_p): Likewise.
3503 (index_term_p): Likewise.
3504 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3505 * config/vax/vax.md (and<mode>3): Likewise.
3506 (ashrsi3): Likewise.
3508 (movstricthi): Likewise.
3509 (movstrictqi): Likewise.
3510 (rotrsi3): Likewise.
3511 (five unnamed insns): Likewise.
3513 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3515 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3516 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3517 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3518 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3519 Pass to ASM_OUTPUT_DWARF_OFFSET.
3520 * dwarf2out.c (debug_frame_section): New.
3521 (output_call_frame_info): Use debug_frame_section. Pass it to
3522 dw2_asm_output_offset.
3523 (output_die): Pass appropriate section to dw2_asm_output_offset.
3524 (output_compilation_unit_header): Likewise.
3525 (output_pubnames): Likewise.
3526 (output_aranges): Likewise.
3527 (enum dw_val_class): Break dw_val_class_lbl_offset into
3528 dw_val_class_lineptr and dw_val_class_macptr.
3529 (add_AT_lbl_offset): Delete.
3530 (add_AT_lineptr): New.
3531 (add_AT_macptr): New.
3532 (AT_lbl): Expect a lineptr or macptr.
3533 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3534 (attr_checksum): Likewise.
3535 (same_dw_val_p): Likewise.
3536 (size_of_die): Likewise.
3537 (value_format): Likewise.
3538 (output_die): Likewise.
3539 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3541 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3542 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3543 * config/darwin-protos.h (darwin_file_start): New.
3544 (darwin_asm_output_dwarf_offset): New.
3545 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3546 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3548 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3549 if not EH section; simplify.
3550 (darwin_file_start): New.
3551 (darwin_asm_output_dwarf_offset): New.
3552 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3554 (DEBUG_INFO_SECTION): Likewise.
3555 (DEBUG_ABBREV_SECTION): Likewise.
3556 (DEBUG_ARANGES_SECTION): Likewise.
3557 (DEBUG_MACINFO_SECTION): Likewise.
3558 (DEBUG_LINE_SECTION): Likewise.
3559 (DEBUG_LOC_SECTION): Likewise.
3560 (DEBUG_PUBNAMES_SECTION): Likewise.
3561 (DEBUG_STR_SECTION): Likewise.
3562 (DEBUG_RANGES_SECTION): Likewise.
3563 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3564 (ASM_OUTPUT_DWARF_OFFSET): New.
3566 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3568 * config.gcc (tm_defines): Always add to previous value rather
3571 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3573 * config/mips/predicates.md (splittable_const_int_operand): New,
3574 split from move_operand.
3575 (splittable_symbolic_operand): New.
3576 (move_operand): Add commentary. Use splittable_const_int_operand.
3577 Inline mips_atomic_symbolic_constant_p.
3578 * config/mips/mips.md: Add combine splitters for handling moves
3579 of splittable_const_int_operands and splittable_symbolic_operands.
3580 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3581 (mips_split_symbol): Declare.
3582 (mips_move_integer): Declare.
3583 * config/mips/mips.c (mips_split_p): Make global.
3584 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3585 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3586 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3587 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3588 (mips_offset_within_object_p): Handle block symbols.
3589 (mips_atomic_symbolic_constant_p): Delete.
3590 (mips_cannot_force_const_mem): Return false for constants that
3591 mips_legitimize_move can handle.
3592 (mips_use_blocks_for_constant_p): New function.
3593 (mips_split_symbol): Make global.
3594 (mips_move_integer): Likewise. Add a temporary register argument.
3595 (mips_legitimize_const_move): Use splittable_const_int_operand and
3596 splittable_symbolic_operand.
3597 (mips_use_anchors_for_symbol_p): New function.
3598 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3599 (mips_split_p): Declare.
3601 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3603 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3604 (mips*-*-linux*): Likewise.
3606 2006-03-16 Roger Sayle <roger@eyesopen.com>
3607 Daniel Speyer <dspeyer@wam.umd.edu>
3610 * tree-dump.c (dump_real): New function.
3611 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3612 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3613 (tree-dump.o): Add $(REAL_H) to the dependencies.
3615 2006-03-16 Roger Sayle <roger@eyesopen.com>
3618 * real.c (real_from_string): If the mantissa is zero, don't bother
3619 parsing the exponent as the result should always be zero.
3621 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3623 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3625 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3627 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3628 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3629 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3630 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3631 ia64_sched_finish_global): New static functions to implement
3632 hooks from gcc_target.sched.
3633 (spec_check_no, max_uid, pending_data_specs): New static variables.
3634 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3635 ia64_spec_check_src_p): New static functions.
3636 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3637 (TARGET_SCHED_ADJUST_COST): Removed.
3638 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3639 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3640 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3641 TARGET_SCHED_GEN_CHECK,
3642 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3643 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3644 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3645 Fixed to handle speculation checks.
3646 (rtx_needs_barrier): Fixed to handle speculative loads and
3648 (ia64_variable_issue): Added code to count speculative loads and their
3650 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3652 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3654 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3656 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3657 (ia64_reorg): Reset stops_p to NULL after it is freed.
3658 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3659 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3660 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3662 (data_speculative, control_speculative, check_load): New attributes.
3663 (mov<mode>_advanced, mov<mode>_speculative,
3664 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3665 zero_extend<mode>di2_speculative,
3666 zero_extend<mode>di2_speculative_advanced): New patterns for
3667 data and control speculative loads.
3668 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3670 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3671 New pattern for data and control speculation checks.
3672 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3673 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3674 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3675 Auxiliary definitions for the patterns.
3676 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3677 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3679 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3681 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3682 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3683 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3684 New resource constraints.
3685 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3687 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3688 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3689 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3690 msched-in-control-spec, msched-ldc, msched-control-ldc,
3691 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3692 msched-prefer-non-control-spec-insns,
3693 msched-count-spec-in-critical-path): New flags to tune speculative
3695 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3696 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3697 msched-in-control-spec, msched-ldc, msched-control-ldc,
3698 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3699 msched-prefer-non-control-spec-insns,
3700 msched-count-spec-in-critical-path): Document new flags.
3702 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3704 * target.h (struct spec_info_def): New opaque declaration.
3705 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3706 speculate_insn, needs_block_p, gen_check,
3707 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3708 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3709 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3710 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3711 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3712 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3714 (TARGET_SCHED): Use new macros.
3715 * rtl.h (copy_DEPS_LIST_list): New prototype.
3716 * sched-int.h (struct sched_info): Change signature of new_ready field,
3717 adjust all initializations. New fields: add_remove_insn,
3718 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3719 region_head_or_leaf_p.
3720 (struct spec_info_def): New structure declaration.
3721 (spec_info_t): New typedef.
3722 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3723 recovery_block, orig_pat.
3724 (glat_start, glat_end): New variables declaraions.
3725 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3727 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3728 DETACH_LIFE_INFO, USE_GLAT.
3729 (enum SPEC_SCHED_FLAGS): New enumeration.
3730 (NOTE_NOTE_BB_P): New macro.
3731 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3732 attach_life_info, debug_spec_status, check_reg_live): New functions.
3733 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3734 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3736 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3737 * ddg.c (get_block_head_tail): Adjust all uses.
3738 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3739 (sms_sched_info): Initialize new fields.
3740 (contributes_to_priority): Removed.
3741 * haifa-sched.c (params.h): New include.
3742 (get_block_head_tail): Adjust all uses.
3743 (ISSUE_POINTS): New macro.
3744 (glat_start, glat_end): New global variables.
3745 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3746 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3747 old_last_basic_block, before_recovery, current_sched_info_var,
3748 rgn_n_insns, luid): New static variables.
3749 (insn_cost1): New function. Move logic from insn_cost to here.
3750 (find_insn_reg_weight1): New function. Move logic from
3751 find_insn_reg_weight to here.
3752 (reemit_notes, move_insn, max_issue): Change signature.
3753 (move_insn1): Removed.
3754 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3755 extend_bb): New static functions to support extension of scheduler's
3757 (generate_recovery_code, process_insn_depend_be_in_spec,
3758 begin_speculative_block, add_to_speculative_block,
3759 init_before_recovery, create_recovery_block, create_check_block_twin,
3760 fix_recovery_deps): New static functions to support
3761 generation of recovery code.
3762 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3763 restore_bb_notes, move_block_after_check, move_succs): New static
3764 functions to support ebb scheduling.
3765 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3766 functions to support handling of register live information.
3767 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3768 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3769 add_jump_dependencies): New static functions.
3770 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3771 consistancy checking.
3772 (debug_spec_status): New function to call from debugger.
3773 (priority): Added code to handle speculation checks.
3774 (rank_for_schedule): Added code to distinguish speculative instructions.
3775 (schedule_insn): Added code to handle speculation checks.
3776 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3777 Fixed to handle ebbs.
3778 (move_insn): Added code to handle ebb scheduling.
3779 (max_issue): Added code to use ISSUE_POINTS of instructions.
3780 (choose_ready): Added code to choose between speculative and
3781 non-speculative instructions.
3782 (schedule_block): Added code to handle ebb scheduling and scheduling of
3783 speculative instructions.
3784 (sched_init): Initialize new variables.
3785 (sched_finish): Free new variables. Print statistics.
3786 (try_ready): Added code to handle speculative instructions.
3787 * lists.c (copy_DEPS_LIST_list): New function.
3788 * sched-deps.c (extend_dependency_caches): New function. Move logic
3789 from create_dependency_caches to here.
3790 (get_dep_weak, ds_merge): Make global.
3791 * genattr.c (main): Code to output prototype for
3792 dfa_clear_single_insn_cache.
3793 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3794 (output_dfa_clean_insn_cache_func): Code to output
3795 dfa_clear_single_insn_cache function.
3796 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3798 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3800 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3801 New static variables.
3802 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3803 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3805 (ebb_sched_info): Initialize new fields.
3806 (get_block_head_tail): Adjust all uses.
3807 (compute_jump_reg_dependencies): Fixed to use glat_start.
3808 (schedule_ebb): Code to remove unreachable last block.
3809 (schedule_ebbs): Added code to update register live information.
3810 * sched-rgn.c (region_sched_info): Initialize new fields.
3811 (get_block_head_tail): Adjust all uses.
3812 (last_was_jump): Removed. Adjust users.
3813 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3814 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3815 Implement new hooks.
3816 (check_dead_notes1): New static function.
3817 (struct region): New fields: dont_calc_deps, has_real_ebb.
3818 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3819 (BB_TO_BLOCK): Fixed to handle EBBs.
3820 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3821 (ebb_head): New static variable.
3822 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3823 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3825 (compute_dom_prob_ps): New assertion.
3826 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3827 global_live_at_start.
3828 (init_ready_list): New assertions.
3829 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3830 (new_ready): Add support for BEGIN_CONTROL speculation.
3831 (schedule_insns): Fixed code that updates register live information
3833 (schedule_region): Fixed to handle EBBs.
3834 (init_regions): Use extend_regions and check_dead_notes1.
3835 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3836 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3837 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3838 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3839 TARGET_SCHED_GEN_CHECK,
3840 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3841 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3842 * doc/invoke.texi (max-sched-insn-conflict-delay,
3843 sched-spec-prob-cutoff): Document.
3845 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3847 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3848 inter_tick, queue_index.
3849 (struct sched_info): Change signature of init_ready_list field.
3850 Adjust all initializations.
3851 (RESOLVED_DEPS): New access macro.
3852 (ready_add): Remove prototype.
3853 (try_ready): Add prototype.
3854 * sched-rgn.c (init_ready_list): Use try_ready.
3855 (schedule_region): Initialize
3856 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3857 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3858 (init_ready_list): Use try_ready.
3859 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3860 * lists.c (remove_list_elem): Remove `static'.
3861 (remove_free_INSN_LIST_elem): New function.
3862 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3863 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3864 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3866 (readyp): New variable.
3867 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3868 change_queue_index, resolve_dep): New static functions.
3869 (try_ready): New function. Adjust callers in sched-rgn.c and
3870 sched-ebb.c to use it instead of ready_add.
3871 (clock_var): Move at the begining of file.
3872 (rank_for_schedule): Fix typo.
3873 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3874 (ready_lastpos): Enforce assertion.
3875 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3877 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3878 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3879 (queue_to_ready): Use free_INSN_LIST_list.
3880 (early_queue_to_ready): Fix typo.
3881 (schedule_block): Init readyp. Move init_ready_list call after the
3882 initialization of clock_var. Fix error in rejecting insn by
3883 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3884 that previously corrected INSN_TICKs. Add code for handling
3886 (set_priorities): Fix typo.
3887 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3888 Clarify comment and code that keeps current_sched_info->next_tail
3891 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3893 * sched-rgn.c (extend_rgns): New static function.
3894 (find_rgns): Use it.
3895 (gather_region_statistics, print_region_statistics): New static
3897 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3898 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3900 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3901 Andrey Belevantsev <abel@ispras.ru>
3903 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3904 * lists.c (unused_deps_list): New variable.
3905 (free_list): Add assertions to verify the proper distinguishing
3906 between INSN_LISTs and DEPS_LISTs.
3907 (find_list_elem, remove_list_elem, remove_list_node): New static
3909 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3910 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3911 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3912 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3914 (free_INSN_LIST_node): Likewise.
3915 * modulo-sched.c (current_sched_info): Initialize flags field.
3916 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3917 * rtl.def (DEPS_LIST): Define.
3918 * rtl.h: Declare new functions from lists.c.
3919 * sched-deps.c (spec_dependency_cache): New static variable.
3920 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3921 (add_dependence): Change return type to void. Move the logic to ...
3922 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3923 (delete_all_dependences): Add comment about forward_dependency_cache.
3924 Handle spec_dependency_cache. Handle DEPS_LISTs.
3925 (fixup_sched_groups): Clarify the change of priority of output
3926 and anti dependencies.
3927 (sched_analyze_2): Adjust add_dependence calls to create data
3928 speculative dependence.
3929 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3930 Adjust all callers. Handle DEPS_LISTS.
3931 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3932 presence of speculation.
3933 (init_dependency_caches, free_dependency_caches):
3934 Handle spec_dependency_cache.
3935 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3936 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3937 New static functions.
3938 (add_or_update_back_dep, add_or_update_back_forw_dep,
3939 add_back_forw_dep, delete_back_forw_dep): New functions.
3940 * sched-int.h (ds_t, dw_t): New typedefs.
3941 (struct sched_info): Add new field flags.
3942 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3943 Prototype new sched-deps.c functions.
3944 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3945 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3946 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3947 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3948 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3949 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3951 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3953 * sched-rgn.c (current_sched_info): Initialize flags field.
3954 (schedule_insns): Initialize current_sched_info before the sched_init
3956 * sched-ebb.c (current_sched_info): Initialize flags field.
3957 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3958 Call add_or_update_back_dep instead of add_dependence.
3959 Create control speculative dependencies.
3960 (schedule_insns): Initialize current_sched_info before the sched_init
3963 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3965 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3967 (sh_fallback_frame_state): Likewise.
3969 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3971 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3972 Do switch on default_use_cxa_atexit.
3973 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3974 * config/darwin-crt3.o: New.
3975 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3976 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3977 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3979 * config/rs6000/t-darwin: Move crt2.o building to here.
3980 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3981 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3984 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3986 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3987 from '! xxx' to '!xxx' for coding-style conformance.
3988 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3989 (EXTRA_CONSTRAINT): Likewise.
3990 * config/vax/vax.md (four unnamed insns): Likewise.
3992 2006-03-15 Paul Brook <paul@codesourcery.com>
3994 * config/arm/arm.c (minipool_pad): New.
3995 (add_minipool_forward_ref): Include pool alignment padding in address
3997 (push_minipool_fix): Set minipool_pad.
3998 (minipool_pad): Ditto.
4000 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4002 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4003 instead of GET_CODE() == MEM and REG_P() instead of
4005 (print_operand_address): Likewise.
4006 (vax_address_cost): Likewise.
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