1 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
3 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
5 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
7 * recog.c (mode_dependent_address_p): Identify pre-increment,
8 pre-decrement, post-increment and post-decrement addressing as always
10 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
11 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
12 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
13 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
14 PRE_INC and POST_INC checks.
15 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
16 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
17 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
18 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
19 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
20 PRE_INC, POST_DEC and POST_INC cases.
21 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
22 Delete POST_INC and PRE_DEC cases.
23 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
25 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
26 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
28 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
29 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
30 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
31 PRE_INC and PRE_DEC cases.
32 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
33 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
34 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
35 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
36 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
37 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
39 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
41 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
43 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
45 * Makefile.in: Add new file tree-ssa-ter.c.
46 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
47 free_temp_expr_table, add_value_to_version_list,
48 add_value_to_partition_list, remove_value_from_partition_list,
49 add_dependence, check_replaceable, finish_expr, mark_replaceable,
50 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
51 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
52 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
54 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
55 (struct value_expr_d): Remove.
56 (struct temp_expr_table_d): Rename fields, add explicit vector of
57 replaceable expressions instead of sharing. Change value_expr_p's to
58 bitmap. Delete free_list.
59 (new_temp_expr_table): Rename fields, count number of ssa_names in
61 (free_temp_expr_table): Rename field, free new fields.
62 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
63 add_info_to_list, remove_value_from_list): Delete.
64 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
65 (make_dependent_on_partition): New. Set bit in version list, allocating
67 (add_to_partition_kill_list): New. Set bit in the partition list,
68 allocating a bitmap if need be.
69 (remove_from_partition_kill_list): New. Remove a bit from the
70 partition list, free the bitmap if it is empty.
71 (add_dependence): Use renamed field, cleanup. Don't add a dependence
72 on partitions with only one member.
73 (is_replaceable_p): New. Split out replaceability check from
75 (process_replaceable): New. Code split from check_replaceable.
76 (check_replaceable): Removed.
77 (finished_with_expr): Renamed from finish_expr.
78 (kill_expr): Use renamed fields and less parameters.
79 (kill_virtual_exprs): Less parameters.
80 (mark_replaceable): Use renamed fields.
81 (find_replaceable_in_bb): Use renamed fields, cleanup.
82 (find_replaceable_exprs): Use renamed routines, cleanup.
83 (dump_replaceable_exprs): Don't go past end of ssa_names list.
84 (debug_ter): New. Debug routine to dump state.
86 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
88 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
89 anything involving the GOT.
90 (bfin_adjust_cost): Don't take the REGNO of a MEM.
91 (trapping_loads_p): Look inside the pattern of an insn to find the
93 * config/bfin/bfin.md (attr "type"): Add movcc.
94 (insn_reservation "alu"): Likewise.
95 (movsicc_insn1, movsicc_insn2): Change type to movcc.
97 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
99 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
100 (spu_resolve_overloaded_builtin): Check for non scalar instead
101 of vector type and check the function call argument type also for
103 Call build_function_call instead of spu_build_overload_builtin.
105 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
107 * config/spu/spu.c (array_to_constant): Correct the order of arguments
108 to the calls of hwint_to_const_double.
110 2006-12-07 Nick Clifton <nickc@redhat.com>
112 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
113 elf_record_gcc_switches.
115 2006-12-07 Andrew Macleod <amacleod@redhat.com>
117 * expr.c (string_constant): Account for non-zero lower bound arrays.
119 2006-12-07 Richard Guenther <rguenther@suse.de>
121 * builtins.c (expand_builtin_pow): Adjust predicates for
122 pow to cbrt expansion to unsafe math and !HONOR_NANS for
125 2006-12-07 Jan Hubicka <jh@suse.cz>
127 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
130 2006-12-07 Jan Hubicka <jh@suse.cz>
132 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
133 use fold_constant_to_binary; tolerate wrong type constants.
134 (value_intersect_p): Do just two tests.
136 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
138 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
139 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
140 lshifthi3): Use it, and fix the order of alternatives.
142 2006-12-07 Nick Clifton <nickc@redhat.com>
144 * common.opt (record-gcc-switches): New command line switch.
145 * target.h (print_switch_type): New enum.
146 (print_switch_fn_type): New typedef for a function pointer.
147 (struct gcc_target): Add record_gcc_switches and
148 record_gcc_switches_section fields.
149 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
151 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
153 * toplev.c (print_single_switch): Simplify by providing a
154 pointer to function that will format and output the switch
156 (print_switch_values): Likewise.
157 (print_to_asm_out_file): New function.
158 (print_to_stderr): New function.
159 (init_asm_output): If flag_record_gcc_switches is set then if
160 the target supports recording the switches then emit them into
161 the assembler output file, otherwise tell the user that the
162 switch is not supported.
163 * varasm.c (eld_record_gcc_switches): New function. Example
164 handler for the record_gcc_switches target hook.
165 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
167 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
168 * doc/invoke.texi (-frecord-gcc-switches): Document.
170 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
173 * sched-rgn.c (add_block1): Use correct initializer.
175 2006-12-07 Richard Guenther <rguenther@suse.de>
177 * tree-vect-transform.c (vectorizable_call): Fix leftover of
178 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
180 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
183 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
184 not GIMPLE_MODIFY_STMT.
186 2006-12-06 Jan Hubicka <jh@suse.cz>
188 * tree-vrp.c (operand_less_p): New.
189 (compare_values, value_inside_range): Rewrite in terms of
192 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
194 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
196 (length_immediate): Do not depend on cld type attribute.
197 (length_address): Ditto.
200 (cld): Remove insn pattern.
201 (strmov_singleop): Do not use DIRFLAG_REG.
202 (*strmovdi_rex_1): Ditto.
203 (*strmovsi_1): Ditto.
204 (*strmovsi_rex_1): Ditto.
205 (*strmovhi_1): Ditto.
206 (*strmovhi_rex_1): Ditto.
207 (*strmovqi_1): Ditto.
208 (*strmovqi_rex_1): Ditto.
210 (*rep_movdi_rex64): Ditto.
212 (*rep_movsi_rex64): Ditto.
214 (*rep_movqi_rex64): Ditto.
215 (strset_singleop): Ditto.
216 (*strsetdi_rex_1): Ditto.
217 (*strsetsi_1): Ditto.
218 (*strsetsi_rex_1): Ditto.
219 (*strsethi_1): Ditto.
220 (*strsethi_rex_1): Ditto.
221 (*strsetqi_1): Ditto.
222 (*strsetqi_rex_1): Ditto.
224 (*rep_stosdi_rex64): Ditto.
225 (*rep_stossi): Ditto.
226 (*rep_stossi_rex64): Ditto.
227 (*rep_stosqi): Ditto.
228 (*rep_stosqi_rex64): Ditto.
229 (cmpstrnsi): Do not generate cld insn.
230 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
231 (*cmpstrnqi_nz_1): Ditto.
232 (*cmpstrnqi_nz_rex_1): Ditto.
233 (cmpstrnqi_1): Ditto.
234 (*cmpstrnqi_1): Ditto.
235 (*cmpstrnqi_rex_1): Ditto.
237 (*strlenqi_1): Ditto.
238 (*strlenqi_rex_1): Ditto.
240 * config/i386/geode.md (shift): Do not depend on cld type attribute.
241 * config/i386/pentium.md (pent_cld): Remove insn reservation.
242 * config/i386/athlon.md (athlon_decode): Do not depend on cld
244 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
245 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
247 (k6_alux_only_load): Ditto.
248 (k6_alux_only_store): Ditto.
250 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
251 Do not emit cld instruction.
252 (ix86_expand_setmem): Ditto.
253 (ix86_expand_strlen): Do not emit cld instruction.
255 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
257 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
260 2006-12-06 Diego Novillo <dnovillo@redhat.com>
262 * gdbinit.in: Set complaints to 0.
264 2006-12-06 Jan Hubicka <jh@suse.cz>
266 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
267 ALONE_MEM_STAT_DECL): New macros.
268 * bitmap.h: Include statistics.h
269 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
270 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
271 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
272 * bitmap.c: Include hashtab.h
273 (bitmap_descriptor): New.
274 (bitmap_hash): New static variable
275 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
276 New static functions.
277 (bitmap_register): New.
278 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
279 bitmap_obstack_release): Do accounting.
280 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
282 (bitmap_gc_alloc_stat): Likewise.
283 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
284 (print_statistics, dump_bitmap_statistics): New functions.
285 * toplev.c (finalize): Dump bitmap statistics.
287 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
289 * reload1.c (delete_output_reload): Count occurrences in
290 CALL_INSN_FUNCTION_USAGE.
291 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
292 crashing at the end of the list.
294 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
296 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
297 Optimize to avoid marking more SMT's as used when they aren't.
299 2006-12-05 Eric Christopher <echristo@apple.com>
301 * config/i386/i386.c (x86_output_aligned_bss): Move out
302 of COMMON_ASM_OP ifdef.
304 2006-12-05 Eric Christopher <echristo@apple.com>
306 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
307 (STARTFILE_SPEC): Use.
308 (DARWIN_DYLIB1_SPEC): New.
309 (DARWIN_CRT1_SPEC): New.
310 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
312 * config/i386/darwin.h: Ditto.
313 * config/rs6000/darwin.h: Ditto.
315 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
317 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
318 * tree-complex.c (pass_lower_complex): Ditto.
319 * tree-ssa-ccp.c (pass_ccp): Ditto.
320 (pass_store_ccp): Ditto.
321 * tree-ssa-dom.c (pass_dominator): Ditto.
322 (pass_phi_only_cprop): Ditto.
323 * tree-sra.c (pass_sra): Ditto.
324 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
325 * tree-flow.h (updating_used_alone): Remove.
326 (updating_used_alone): Ditto.
327 * tree-ssa-alias.c (updating_used_alone): Remove variable.
328 (lhs_may_store_to): Remove function.
329 (recalculate_used_alone): Ditto.
330 (compute_may_aliases): Remove used_alone calculation.
331 * tree.h (struct tree_memory_tag): Remove is_used_alone and
332 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
333 * tree-pass.h (PROP_smt_usage): Remove.
334 * passes.c (execute_todo): Remove used alone recalculation.
335 (execute_one_pass): Ditto.
336 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
339 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
341 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
343 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
345 PR tree-optimization/14784
346 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
348 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
350 Merge from gimple-tuples-branch.
352 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
354 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
356 (s390_gimplify_va_arg): Same.
357 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
358 * config/sh/sh.c (sh_va_start): Same.
359 (sh_gimplify_va_arg_expr): Same.
360 * config/xtensa/xtensa.c (xtensa_va_start): Same.
361 (xtensa_gimplify_va_arg_expr): Same.
362 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
363 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
364 * config/mips/mips.c (mips_va_start): Same.
365 (mips_gimplify_va_arg_expr): Same.
367 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
369 * Merge from mainline at revision 119445.
371 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
373 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
375 (spu_gimplify_va_arg_expr): Same.
377 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
379 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
380 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
381 (xstormy16_expand_builtin_va_arg): Same.
383 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
385 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
386 to GIMPLE_MODIFY_STMT.
388 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
390 * config/alpha/alpha.c (va_list_skip_additions): Change all
391 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
392 (alpha_va_start): Same.
393 (alpha_gimplify_va_arg_1): Same.
394 (alpha_gimplify_va_arg): Same.
396 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
398 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
400 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
402 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
403 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
405 * tree-complex.c: Same.
406 * tree-pretty-print.c: Same.
410 * fold-const.c: Same.
411 * tree-ssa-dom.c: Same.
412 * tree-ssa-propagate.c: Same.
413 * tree-ssa-alias.c: Same.
414 * gimple-low.c: Same.
416 * c-pretty-print.c: Same.
418 * tree-inline.c: Same.
419 * tree-outof-ssa.c: Same.
420 * tree-ssa-structalias.c: Same.
421 * tree-ssa-reassoc.c: Same.
424 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
426 * tree.c (build2_stat): Fix comment.
428 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
430 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
431 TREE_OPERAND when appropriate.
433 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
435 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
436 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
437 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
438 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
439 not handle GIMPLE_MODIFY_STMT in the switch statement.
440 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
441 (java_gimplify_new_array_init): Same.
443 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
445 * gimplify.c (gimplify_omp_for): Allow gimple statements.
446 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
447 * fold-const.c (fold_binary): Allow gimple statements.
449 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
450 Rename from gfc_conv_descriptor_data_set.
451 Call gfc_add_modify instead of gfc_add_modify_expr.
452 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
453 Rename from gfc_conv_descriptor_data_set.
454 (gfc_conv_descriptor_data_set): New macro.
455 (gfc_conv_descriptor_data_set_tuples): New macros.
456 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
457 gfc_conv_descriptor_data_set_tuples.
458 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
459 Generate GIMPLE_MODIFY_STMT when appropriate.
460 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
461 (gfc_add_modify_expr): New macro.
462 (gfc_add_modify_stmt): New macro.
463 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
465 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
467 * Merge from mainline at revision 118200.
469 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
471 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
474 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
476 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
478 Also, add __extension__ to GCC versions.
479 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
480 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
483 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
485 * tree-complex.c (expand_complex_libcall): Adjust for
487 (expand_complex_comparison): Same.
488 * tree-pretty-print.c (dump_generic_node): Is_expr should include
489 GIMPLE_STMT_P statements.
490 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
492 (tree_mod_pow2_value_transform): Same.
493 (tree_mod_subtract_transform): Same.
494 * tree.c (build2_stat): Check for gimplified function in cfun.
495 * tree.h (DECL_GIMPLIFIED): Delete.
496 (struct tree_function_decl): Remove gimplified_flag.
497 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
498 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
499 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
500 (cxx_omp_clause_copy_ctor): Same.
501 (cxx_omp_clause_assign_op): Same.
502 * c-pretty-print.c (pp_c_conditional_expression): Same.
503 (pp_c_expression): Same.
504 * langhooks.c (lhd_omp_predetermined_sharing): Same.
505 * function.h (struct function): Add gimplified field.
506 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
508 (find_phi_replacement_condition): Same.
509 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
510 (gimplify_modify_expr_to_memset): Same.
511 (gimplify_init_ctor_eval_range): Same.
512 (gimplify_modify_expr_complex_part): Same.
513 (tree_to_gimple_tuple): Same.
514 (gimplify_modify_expr): Same.
515 (gimple_push_cleanup): Same.
516 (gimplify_omp_for): Same.
517 (gimplify_omp_atomic_pipeline): Same.
518 (gimplify_omp_atomic_mutex): Same.
519 (gimplify_expr): Same.
520 (gimplify_one_sizepos): Same.
521 (gimplify_function_tree): Same.
522 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
523 (vect_recog_widen_sum_pattern): Same.
524 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
525 (vect_create_epilog_for_reduction): Same.
526 (vectorizable_reduction): Same.
528 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
530 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
531 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
532 (ifc_temp_var): Same.
533 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
534 for gimple statements.
535 (vect_analyze_operations): Same.
536 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
537 * gimplify.c (gimplify_return_expr): Handle gimple statements.
538 * lambda-code.c (can_put_in_inner_loop): Same.
539 (can_put_after_inner_loop): Same.
540 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
541 (vect_create_data_ref_ptr): Same.
542 (vect_init_vector): Same.
543 (vect_get_vec_def_for_operand): Same.
544 (vect_create_epilog_for_reduction): Same.
545 (vectorizable_reduction): Same.
546 (vectorizable_assignment): Same.
547 (vectorizable_operation): Same.
548 (vectorizable_load): Same.
549 (vectorizable_condition): Same.
550 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
551 (rs6000_gimplify_va_arg): Same.
553 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
555 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
557 (simplify_abs_using_ranges): Same.
558 * tree-complex.c (expand_complex_operations_1): Use
559 PROTECTED_TREE_OPERAND.
560 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
562 (get_val_for): Use GIMPLE_STMT_OPERAND.
563 * tree-tailcall.c (adjust_accumulator_values): Same.
564 (adjust_return_value): Same.
565 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
566 case. Remove special case for tcc_gimple_stmt.
567 * tree.h (CAN_HAVE_LOCATION_P): New.
568 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
570 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
571 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
572 * tree-nrv.c (execute_return_slot_opt): Same.
573 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
574 * tree-vn.c (set_value_handle): Same.
575 (get_value_handle): Same.
576 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
577 * tree-vectorizer.c (find_loop_location): Same.
578 * c-typeck.c (c_process_expr_stmt): Same.
579 (c_finish_stmt_expr): Same.
580 * gimplify.c (should_carry_locus_p): Same.
581 (tree_to_gimple_tuple): Delete definition and use of unecessary
582 variable save_tree_block.
583 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
584 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
585 (realify_fake_stores): Same.
586 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
588 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
589 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
590 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
591 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
592 (c_parser_statement_after_labels): Same.
593 (c_parser_paren_condition): Same.
594 (c_parser_for_statement): Same.
595 (c_parser_omp_for_loop): Same.
596 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
597 (linearize_expr_tree): Same.
598 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
599 * function.c (instantiate_expr): Same.
601 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
603 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
604 (set_expr_location): Same.
606 (set_expr_locus): Same.
607 (expr_filename): Same.
609 (tree_block): Use GIMPLE_STMT_BLOCK.
610 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
611 * tree.h (struct gimple_stmt): Remove prev and next.
612 (GIMPLE_STMT_OPERAND_CHECK): New.
613 (TREE_TO_GIMPLE_STMT): Delete.
614 (GIMPLE_STMT_TO_TREE): Delete.
615 (GIMPLE_STMT_OPERAND): Use union, not cast.
616 (GIMPLE_STMT_LOCUS): New.
617 (GIMPLE_STMT_BLOCK): New.
618 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
620 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
622 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
624 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
626 * tree-tailcall.c (adjust_return_value): Same.
627 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
628 (copy_node_stat): Change common.base to base.
629 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
630 Remove GIMPLE_STATEMENT_LIST case.
631 * tree.h (struct gimple_stmt): Make operands of type tree.
632 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
633 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
634 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
635 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
636 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
637 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
638 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
639 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
640 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
641 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
642 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
643 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
644 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
645 Change common.base to base.
646 (GIMPLE_STATEMENT_LIST*): Remove.
647 (union tree_node): Add base. Remove gimple_statement_list.
648 Remove pointer from gstmt.
649 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
650 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
651 * tree-vn.c (vn_compute): Change common.base to base.
652 * tree-eh.c (verify_eh_throw_stmt_node): Same.
653 * tree-flow-inline.h (var_ann): Same.
654 (function_ann): Same.
656 (mark_non_addressable): Same.
657 * gimplify.c (tree_to_gimple_tuple): Same.
658 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
659 * tree-dfa.c (create_var_ann): Change common.base to base.
660 (create_function_ann): Same.
661 (create_stmt_ann): Same.
662 (create_tree_ann): Same.
663 (collect_dfa_stats_r): Same.
664 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
665 * tree-ssa-dce.c (NECESSARY): Same.
666 * tree-ssa.c (delete_tree_ssa): Same.
667 * tree-optimize.c (execute_free_cfg_annotations): Same.
670 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
672 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
673 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
675 * tree.h (struct gimple_stmt): Add prev and next fields.
676 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
677 (GIMPLE_STATEMENT_LIST_HEAD): New.
678 (GIMPLE_STATEMENT_LIST_TAIL): New.
679 (struct gimple_statement_list): New.
680 (union tree_node): Add gimple_stmt_list and gstmt.
681 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
682 * tree.def: Add GIMPLE_STATEMENT_LIST.
684 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
686 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
687 * tree-vrp.c (build_assert_expr_for): Change uses of
688 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
689 (find_assert_locations): Same.
690 (remove_range_assertions): Same.
691 (stmt_interesting_for_vrp): Same.
692 (vrp_visit_assignment): Same.
693 (vrp_visit_stmt): Same.
694 (simplify_cond_using_ranges): Same.
695 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
697 * tree-ssa-loop-im.c (movement_possibility): Change uses of
698 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
700 (determine_invariantness_stmt): Same.
702 (gather_mem_refs_stmt): Same.
703 * tree-complex.c (init_dont_simulate_again): Same.
704 (complex_visit_stmt): Same.
705 (set_component_ssa_name): Same.
706 (expand_complex_move): Same.
707 (expand_complex_div_wide): Same.
708 (expand_complex_comparison): Same.
709 (expand_complex_operations_1): Same.
710 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
711 (chain_of_csts_start): Same.
712 (infer_loop_bounds_from_undefined): Same.
713 * tree-pretty-print.c (dump_generic_node): Same.
716 * tree-ssa-loop-manip.c (create_iv): Same.
717 * value-prof.c (tree_divmod_fixed_value): Same.
718 (tree_divmod_fixed_value_transform): Same.
719 (tree_mod_pow2): Same.
720 (tree_mod_pow2_value_transform): Same.
721 (tree_mod_subtract): Same.
722 (tree_mod_subtract_transform): Same.
723 (tree_divmod_values_to_profile): Same.
724 * tree-tailcall.c (process_assignment): Same.
725 (find_tail_calls): Same.
726 (adjust_accumulator_values): Same.
727 (adjust_return_value): Same.
728 (eliminate_tail_call): Same.
729 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
730 (make_node_stat): Same.
731 (copy_node_stat): Handle gimple tuples.
732 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
733 (tree_node_structure): Handle tcc_gimple_stmt.
734 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
736 (build2_gimple_stat): New.
737 (expr_location): New.
738 (set_expr_location): New.
739 (expr_has_location): New.
741 (set_expr_locus): New.
742 (expr_filename): New.
744 (walk_tree): Handle tcc_gimple_stmt.
746 (protected_tree_operand): New.
747 (protected_tree_type): New.
748 (tree_code_kind): Add gimple statements.
749 * tree.h (tree_code_class): Add tcc_gimple_stmt.
750 (IS_GIMPLE_STMT_CODE_CLASS): New.
751 (struct tree_base): New.
752 (struct tree_common): Shrink.
753 (struct gimple_stmt): New.
754 (struct gimple_expr): New.
755 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
756 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
757 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
758 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
759 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
760 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
761 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
762 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
763 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
764 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
765 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
766 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
767 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
768 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
769 Adjust for new `common' layout.
770 (struct tree_function_decl): Add gimplified_flag.
771 (DECL_GIMPLIFIED): NEW.
772 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
773 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
774 EXPR_HAS_LOCATION): Call corresponding function.
775 (GIMPLE_STMT_CHECK): New.
776 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
777 (TREE_BLOCK): Call tree_block.
778 (GIMPLE_STMT_P): New.
779 (GIMPLE_TUPLE_P): New.
780 (TREE_TO_GIMPLE_STMT): New.
781 (GIMPLE_STMT_TO_TREE): New.
782 (GIMPLE_STMT_OPERAND): New.
783 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
784 (PROTECTED_TREE_OPERAND): New.
785 (PROTECTED_TREE_TYPE): New.
786 (build2_gimple_stat): Protoize.
787 (build2_gimple): New.
788 (expr_location): Protoize.
789 (set_expr_location): Protoize.
790 (expr_has_location): Protoize.
791 (expr_locus): Protoize.
792 (set_expr_locus): Protoize.
793 (expr_filename): Protoize.
794 (expr_lineno): Protoize.
795 (tree_block): Protoize.
796 (protected_tree_operand): Protoize.
797 (protected_tree_type): Protoize.
798 (enum tree_node_kind): Add gimple_stmt_kind.
799 * c-decl.c (union lang_tree_node): Tuples do not have a
801 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
802 GIMPLE_MODIFY_STMT and adjust accordingly.
803 * tree-scalar-evolution.c (follow_ssa_edge): Same.
804 (interpret_condition_phi): Same.
805 (pointer_used_p): Same.
806 (analyze_scalar_evolution_1): Same.
807 (scev_const_prop): Same.
808 (interpret_rhs_modify_stmt): Rename from
809 interpret_rhs_modify_expr.
810 * builtins.c (std_expand_builtin_va_start): Change uses of
811 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
812 (std_gimplify_va_arg_expr): Same.
813 (expand_builtin_va_copy): Same.
814 (integer_valued_real_p): Same.
815 * fold-const.c (maybe_lvalue_p): Same.
817 (tree_expr_nonnegative_p): Same.
818 (tree_expr_nonzero_p): Same.
819 * omp-low.c (extract_omp_for_data): Same.
820 (lower_rec_input_clauses): Same.
821 (lower_reduction_clauses): Same.
822 (lower_copyprivate_clauses): Same.
823 (lower_send_clauses): Same.
824 (lower_send_shared_vars): Same.
825 (expand_parallel_call): Same.
826 (expand_omp_parallel): Same.
827 (expand_omp_for_generic): Same.
828 (expand_omp_for_static_nochunk): Same.
829 (expand_omp_for_static_chunk): Same.
830 (expand_omp_sections): Same.
831 (lower_omp_single_copy): Same.
832 (lower_omp_parallel): Same.
833 * tree-ssa-dse.c (memory_address_same): Same.
834 (dse_optimize_stmt): Same.
835 * ipa-reference.c (scan_for_static_refs): Same.
836 * tree-gimple.c (is_gimple_reg_rhs): Same.
837 (get_call_expr_in): Same.
838 (recalculate_side_effects): Same.
839 * cgraphunit.c (cgraph_create_edges): Same.
840 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
841 * tree-ssa-ccp.c (get_default_value): Same.
842 (likely_value): Same.
843 (visit_assignment): Same.
844 (ccp_visit_stmt): Same.
845 (get_maxval_strlen): Same.
846 (ccp_fold_builtin): Same.
847 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
848 (find_givs_in_stmt): Same.
849 (find_interesting_uses_op): Same.
850 (find_interesting_uses_stmt): Same.
851 (rewrite_use_nonlinear_expr): Same.
852 * ipa-pure-const.c (scan_function): Same.
853 * tree-stdarg.c (va_list_counter_bump): Same.
854 (check_all_va_list_escapes): Same.
855 (execute_optimize_stdarg): Same.
856 * tree-ssa-math-opts.c (compute_merit): Same.
857 (insert_reciprocals): Same.
858 (execute_cse_reciprocals): Same.
859 * tree-ssa-dom.c (initialize_hash_element): Same.
860 (simple_iv_increment_p): Same.
861 (record_equivalences_from_stmt): Same.
862 (optimize_stmt): Same.
863 (remove_stmt_or_phi): Same.
864 (get_rhs_or_phi_arg): Same.
865 (get_lhs_or_phi_result): Same.
866 (propagate_rhs_into_lhs): Same.
867 * tree-nrv.c (tree_nrv): Same.
868 (execute_return_slot_opt): Same.
869 * tree-ssa-propagate.c (get_rhs): Same.
871 (stmt_makes_single_load): Same.
872 (stmt_makes_single_store): Same.
873 (replace_vuses_in): Same.
874 (fold_predicate_in): Same.
875 (substitute_and_fold): Same.
876 * tree-ssa-alias.c (compute_call_clobbered): Same.
877 (recalculate_used_alone): Same.
878 (count_uses_and_derefs): Same.
879 (is_escape_site): Same.
880 (find_used_portions): Same.
881 * gimple-low.c (lower_stmt): Same.
882 (block_may_fallthru): Same.
883 (lower_return_expr): Same.
884 * tree-ssa-sink.c (is_hidden_global_store): Same.
885 (statement_sink_location): Same.
886 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
887 * expr.c (safe_from_p): Same.
888 (expand_expr_real): Same.
889 (expand_expr_real_1): Same.
890 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
891 * predict.c (expr_expected_value): Same.
892 (strip_builtin_expect): Same.
893 (apply_return_prediction): Same.
894 (tree_bb_level_predictions): Same.
895 (tree_estimate_probability): Same.
896 * tree-vn.c (vn_compute): Same.
897 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
898 (remove_stmt_from_eh_region_fn): Same.
899 (do_return_redirection): Same.
900 (honor_protect_cleanup_actions): Same.
901 (lower_try_finally_switch): Same.
902 (lower_eh_constructs_1): Same.
903 (tree_could_throw_p): Same.
904 (verify_eh_throw_stmt_node): Same.
905 * function.c (gimplify_parameters): Same.
906 * tree-vectorizer.c (vect_is_simple_use): Same.
907 (vect_is_simple_reduction): Same.
908 * ipa-type-escape.c (scan_for_refs): Same.
909 * tree-if-conv.c (tree_if_conversion): Same.
910 (tree_if_convert_stmt): Same.
911 (if_convertible_gimplify_modify_stmt_p): Rename from
912 if_convertible_modify_expr_p.
913 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
914 (ifc_temp_var): Same.
915 (replace_phi_with_cond_modify_stmt): Rename from
916 replace_phi_with_cond_modify_expr.
917 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
918 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
919 * tree-data-ref.c (find_data_references_in_loop): Adjust for
921 * tree-flow-inline.h (var_ann): Same.
922 (function_ann): Same.
924 (mark_non_addressable): Same.
925 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
926 * gimplify.c (tree_to_gimple_tuple): New.
927 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
928 (gimplify_return_expr): Same.
929 (gimplify_decl_expr): Same.
930 (gimplify_self_mod_expr): Same.
931 (gimplify_cond_expr): Same.
932 (gimplify_init_constructor): Same.
933 (gimplify_modify_expr): Same.
934 (gimplify_expr): Same.
935 (gimplify_function_tree): Same.
936 (force_gimple_operand): Same.
937 * tree-ssa-phiopt.c (conditional_replacement): Same.
938 (minmax_replacement): Same.
939 (abs_replacement): Same.
940 * tree-dfa.c (create_var_ann): Same.
941 (create_function_ann): Same.
942 (create_stmt_ann): Same.
943 (create_tree_ann): Same.
944 (collect_dfa_stats_r): Same.
945 * tree-ssa-pre.c (find_or_generate_expression): Same.
946 (create_expression_by_pieces): Same.
947 (try_look_through_load): Same.
948 (insert_fake_stores): Same.
949 (realify_fake_stores): Same.
950 (compute_avail): Same.
953 (poolify_modify_stmt): Rename from poolify_modify_stmt.
954 Adjust for GIMPLE_MODIFY_STMT.
955 (NECESSARY): Adjust for new `common' layout.
956 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
958 * tree-sra.c (sra_walk_modify_stmt): Rename from
959 sra_walk_modify_expr.
960 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
961 (generate_copy_inout): Same.
962 (generate_element_copy): Same.
963 (generate_element_zero): Same.
964 (scalarize_copy): Same.
965 * tree-mudflap.c (mf_decl_cache_locals): Same.
966 (mf_build_check_statement_for): Same.
967 (mf_xform_derefs): Same.
968 * ipa-prop.c (ipa_method_modify_stmt): Same.
969 * print-tree.c (print_node): Handle gimple tuples.
970 Add case for tcc_gimple_stmt.
971 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
973 (copy_prop_visit_assignment): Same.
974 (copy_prop_visit_stmt): Same.
975 (init_copy_prop): Same.
976 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
977 (forward_propagate_into_cond_1): Same.
978 (find_equivalent_equality_comparison): Same.
979 (tidy_after_forward_propagate_addr): Same.
980 (forward_propagate_addr_expr_1): Same.
981 (simplify_not_neg_expr): Same.
982 (simplify_switch_expr): Same.
983 * tree-ssa-dce.c (find_pdom): Same.
984 (mark_stmt_if_obviously_necessary): Same.
985 (NECESSARY): Adjust for new `common' layout.
987 * tree-vect-patterns.c (widened_name_p): Adjust for
989 (vect_recog_dot_prod_pattern): Same.
990 (vect_recog_widen_sum_pattern): Same.
991 (vect_pattern_recog_1): Same.
992 * tree-nested.c (init_tmp_var): Same.
993 (save_tmp_var): Same.
995 (convert_call_expr): Same.
996 (finalize_nesting_tree_1): Same.
997 * tree-ssa.c (verify_ssa): Same.
998 (delete_tree_ssa): Same.
999 * lambda-code.c (lbv_to_gcc_expression): Same.
1000 (lle_to_gcc_expression): Same.
1001 (lambda_loopnest_to_gcc_loopnest): Same.
1002 (can_put_in_inner_loop): Same.
1003 (can_convert_to_perfect_nest): Same.
1004 (perfect_nestify): Same.
1005 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
1006 * tree-inline.c (copy_body_r): Same.
1007 (setup_one_parameter): Same.
1008 (initialize_inlined_parameters): Same.
1009 (estimate_num_insns_1): Same.
1010 (expand_call_inline): Same.
1011 (gimple_expand_calls_inline): Same.
1012 (copy_tree_r): Same.
1013 * tree-optimize.c (execute_free_cfg_annotations): Same.
1014 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
1015 (vect_align_data_ref): Same.
1016 (vect_create_data_ref_ptr): Same.
1017 (vect_init_vector): Same.
1018 (vect_create_epilog_for_reduction): Same.
1019 (vectorizable_reduction): Same.
1020 (vectorizable_assignment): Same.
1021 (vectorizable_operation): Same.
1022 (vectorizable_store): Same.
1023 (vectorizable_load): Same.
1024 (vectorizable_live_operation): Same.
1025 (vectorizable_condition): Same.
1026 (vect_generate_tmps_on_preheader): Same.
1027 (vect_create_cond_for_align_checks): Same.
1028 * tree-object-size.c (collect_object_sizes_for): Same.
1029 (check_for_plus_in_loops_1): Same.
1030 (check_for_plus_in_loops): Same.
1031 * tree-outof-ssa.c (insert_copy_on_edge): Same.
1032 (replace_use_variable): Same.
1033 (check_replaceable): Same.
1034 (rewrite_trees): Same.
1035 (identical_copies_p): Same.
1036 (insert_backedge_copies): Same.
1037 * tree-profile.c (tree_gen_edge_profiler): Same.
1038 * tree-vect-generic.c (expand_vector_operations_1): Same.
1039 * tree-ssa-structalias.c (update_alias_info): Same.
1040 (find_func_aliases): Same.
1041 * tree-cfg.c (factor_computed_gotos): Same.
1043 (make_goto_expr_edges): Same.
1044 (tree_merge_blocks): Same.
1045 (remove_useless_stmts_cond): Same.
1046 (remove_useless_stmts_1): Same.
1047 (tree_find_edge_insert_loc): Same.
1048 (verify_expr): Same.
1049 (gimplify_val): Same.
1050 (verify_gimple_tuples_1): New.
1051 (verify_gimple_tuples): New.
1052 (verify_stmts): Call verify_gimple_tuples.
1053 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
1054 (get_unary_op): Same.
1055 (linearize_expr): Same.
1056 (get_single_immediate_use): Same.
1057 (negate_value): Same.
1058 (should_break_up_subtract): Same.
1059 (break_up_subtract): Same.
1060 (repropagate_negates): Same.
1061 (break_up_subtract_bb): Same.
1062 (reassociate_bb): Same.
1063 * config/i386/i386.c (ix86_va_start): Same.
1064 (ix86_gimplify_va_arg): Same.
1065 * stmt.c (expand_expr_stmt): Same.
1066 (warn_if_unused_value): Same.
1067 (expand_return): Same.
1068 * tree-ssanames.c (make_ssa_name): Same.
1069 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
1070 * tree-ssa-operands.c (finalize_ssa_defs): Same.
1071 (add_virtual_operand): Same.
1072 (get_expr_operands): Same.
1073 (parse_ssa_operands): Same.
1074 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
1076 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
1078 * config.host: Remove extra blank line.
1080 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
1082 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
1083 target is also an x86 variant.
1085 2006-12-05 Richard Guenther <rguenther@suse.de>
1087 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
1088 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
1089 (ix86_builtin_vectorized_function): New function to vectorize
1092 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
1094 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
1095 ia64_override_options.
1097 2006-12-04 Jan Hubicka <jh@suse.cz>
1099 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
1102 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
1104 * rtlanal.c (note_uses): Deal with SEQUENCEs.
1105 * config/bfin/bfin.c: Include "timevar.h".
1106 (bfin_flag_schedule_insns2, splitting_for_sched,
1107 bfin_flag_var_tracking): New variables.
1108 (print_operand): Handle '%!'.
1109 (override_options): Disable normal sched2 pass, instead set
1110 bfin_flag_schedule_insns2 for reorg to handle it.
1111 (output_file_start): Likewise for var-tracking.
1112 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
1113 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
1115 (bfin_reorg): Do second scheduling pass here, and call
1116 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
1117 of examining insns directly. If bfin_flag_var_tracking, call
1118 var-tracking pass when done with everything else.
1119 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
1120 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
1121 (movsi_insn32): New pattern, with two new splits to create it
1122 before the final scheduling pass.
1123 (neghi2): Not a dsp32 insn, rather alu0.
1124 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
1125 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
1126 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
1127 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
1128 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
1129 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
1130 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
1131 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
1132 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
1133 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
1134 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
1135 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
1136 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
1137 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
1138 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
1139 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
1140 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
1141 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
1142 variants instead of ';'.
1143 (ror_one, rol_one): Likewise. Make them dsp32 insns.
1144 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
1145 (align8, align16, align24): Now named patterns; also using '%!'.
1148 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
1150 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
1151 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
1153 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1155 * config/spu/spu-protos.c (spu_split_address): Add.
1156 * config/spu/spu.c (spu_split_address): Add.
1157 (print_operand): Handle HIGH.
1158 (spu_legitimate_address): Don't test for aligned CONST.
1159 (spu_expand_mov): Don't split addresses here.
1160 * config/spu/constraints.md (A): Don't test legitimate_const.
1161 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
1162 (ceq_di): Use correct predicates.
1164 2006-12-04 Eric Christopher <echristo@apple.com>
1166 * config/darwin.h: Update copyright notice.
1167 * config/i386/darwin.h: Ditto.
1169 2006-12-04 Jan Hubicka <jh@suse.cz>
1171 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
1172 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
1174 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
1176 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
1178 * tree-ssa-structalias.c (set_used_smts): Export.
1179 (find_what_p_points_to): Don't call set_used_smts here.
1180 * tree-ssa-structalias.h (set_used_smts): Add prototype.
1182 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
1184 * tree-ssa-alias.c (compute_may_aliases):
1185 Compute flow sensitive before flow insensitive.
1186 (compute_flow_sensitive_aliasing): Don't try to add
1187 a symbol memory tag to itself.
1189 * alias.h (alias_set_subset_of): New prototype.
1191 * alias.c (alias_set_subset_of): New function.
1193 * tree-ssa-structalias.c: Update comments.
1194 (struct variable_info): Add finished_solution.
1195 (new_varinfo): Set finished solution to NULL.
1196 (var_escaped_vars): Remove.
1197 (escaped_vars_tree): Remove.
1198 (escaped_vars_id): Remove.
1199 (nonlocal_vars_id): Remove.
1200 (constraint_expr_type): Add INCLUDES.
1201 (graph_size): Removed.
1202 (dump_constraint): Support INCLUDES.
1203 (build_constraint_graph): Ditto.
1204 (collapse_nodes): Add merge_solutions argument.
1205 Don't merge attributes.
1206 (process_unification_queue): Just use collapse_nodes.
1207 (perform_var_substitution): Update call to collapse_nodes.
1208 (get_constraint_exp_from_ssa_var): Use INCLUDES.
1209 (process_constraint): Fix non-field sensitive handling
1211 (get_constraint_for): Use INCLUDES.
1212 (make_constraint_from_anything): Renamed from
1213 make_constraint_from_escaped.
1214 (make_constraint_to_escaped): Removed.
1215 (find_global_initializers): Removed.
1216 (create_variable_info_for): Do not make constraints to escaped
1218 (dump_solution_for_var): Don't print out the equivalent points-to
1219 sets, just use the name of the variable it shares it with.
1220 (intra_create_variable_infos): Use INCLUDES.
1221 Change nonlocal variable sets to anything sets.
1222 (init_base_vars): Remove escaped_vars and nonlocal_var
1224 (find_escape_constraints): Removed.
1225 (delete_points_to_sets): Remove dead code.
1226 (used_smt_calculated): New variable.
1227 (set_used_smts): New function.
1228 (merge_smts_into): New function.
1229 (find_what_p_points_to): Modify to use SMTs.
1230 (create_nonlocal_var): Remove.
1232 * tree-ssa-operands.c (access_can_touch_variable): Remove
1233 reference to nonlocal_all.
1235 * tree-ssa.c (verify_name_tags): Remove.
1237 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
1239 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
1240 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
1242 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
1244 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
1245 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
1246 (add_livein_if_notdef): Delete.
1247 (loe_visit_block): New. Propogate live on entry info for a block into
1248 each predecessor. If it changes, make sure it is visited again.
1249 (live_worklist): Visit every block and update the live on entry info
1250 for preds. Iterate over any that changed.
1251 (set_var_live_on_entry): Populate the live on entry blocks with bits
1252 based on the immediate uses of a var.
1253 (calculate_live_on_entry): Remove.
1254 (calculate_live_on_exit): Calculate live on exit based on the newly
1255 oriented live on entry bits.
1256 (calculate_live_ranges): Build live on entry and exit vectors.
1257 (dump_live_info): Use new orientation of live on entry bitmaps.
1258 (verify_live_on_entry): New. Split out verification code from old
1259 calculate_live_on_entry routine.
1260 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
1261 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
1262 basic_block instead of for a partition.
1263 (live_merge_and_clear): Add asserts.
1264 (make_live_on_entry): Set partition bit in basic block vector.
1266 2006-12-04 Jakub Jelinek <jakub@redhat.com>
1269 * omp-low.c (expand_omp_for_static_nochunk,
1270 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
1274 * omp-low.c (determine_parallel_type): Don't try to optimize combined
1275 parallels if region->exit or region->inner->exit is NULL.
1276 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
1278 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
1279 (expand_omp_for): Use expand_omp_for_generic if either region->cond
1280 or region->exit is NULL.
1281 (expand_omp_sections): Handle NULL region->cond or region->exit.
1284 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1286 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
1287 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
1289 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
1291 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
1292 TYPE_MAX_VALUE for scalar types here but...
1293 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
1294 is attached an error mark, and the return value of the callback
1295 if it is not NULL_TREE.
1297 2006-12-04 Ben Elliston <bje@au.ibm.com>
1299 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
1301 2006-12-03 Eric Christopher <echristo@apple.com>
1304 * config/t-slibgcc-darwin: Pass -install_name.
1305 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
1306 libtool. Only pass through options that the linker recognizes.
1307 (LINK_SPEC): Update comment. Translate options.
1308 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
1309 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
1311 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
1313 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
1315 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
1318 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
1319 operands[1] in insn constraint. Correct type attribute to sselog1.
1321 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
1324 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
1326 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
1327 processor detection.
1329 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
1330 -march=native if there is no -mtune=*.
1332 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
1335 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1337 * doc/install.texi: Update recommended MPFR version. Remove
1338 obsolete reference to cumulative patch.
1340 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
1343 * c-decl.c (store_parm_decls_oldstyle): Robustify.
1345 2006-11-30 Jan Hubicka <jh@suse.cz>
1346 Uros Bizjak <ubizjak@gmail.com>
1348 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
1349 32bit memcpy/memset decriptors.
1350 (decide_alg): With -minline-all-stringops and sizes that are best
1351 to be copied via libcall still work hard enough to pick non-libcall
1354 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
1356 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
1358 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
1359 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
1360 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
1361 config/sh/sh4-300.md, config/spu/spu-builtins.def,
1362 config/spu/spu-c.c, config/spu/spu-modes.def,
1363 config/spu/spu.c, config/spu/spu.md,
1364 config/spu/spu_internals.h, config/spu/vmx2spu.h,
1365 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
1366 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
1367 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
1368 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
1369 spelling conventions.
1371 * config/i386/i386.c: Fix a comment typo.
1373 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1375 * config/spu/spu.c (spu_immediate): Remove trailing comma.
1376 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
1377 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
1378 better optimization.
1379 (floatv4siv4sf2): New.
1380 (fix_truncv4sfv4si2): New.
1381 (floatunsv4siv4sf2): New.
1382 (fixuns_truncv4sfv4si2): New.
1390 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
1391 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
1392 spu_resolve_overloaded_builtin instead of static inline functions.
1394 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
1396 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
1397 type instead of the size of its mode to compute the highest and
1398 lowest possible values. Still check the size of the mode before
1399 flipping the signedness of the comparison.
1401 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1403 * config/spu/predicates.md (spu_mov_operand): Add.
1404 * config/spu/spu.c (spu_expand_extv): Remove unused code.
1405 (print_operand_address, print_operand): Handle addresses containing AND.
1406 (spu_split_load, spu_split_store): Use updated movti pattern.
1407 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
1408 stores in mov patterns for correct operation of reload.
1409 (lq, lq_<mode>, stq, stq_<mode>): Remove.
1411 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1414 * c-common.c (check_main_parameter_types): Check for error_mark_node.
1416 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
1418 * common.opt (ftree-combine-temps): Remove.
1419 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
1420 (coalesce_ssa_name): Don't check for combine-temps.
1421 (coalesce_vars): Remove.
1422 (check_replaceable): Use num_imm_uses.
1423 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
1424 check for combine-temps.
1425 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
1426 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
1427 to register_ssa_partition calls.
1428 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
1429 (init_var_map, delete_var_map): remove refernces to ref_count.
1430 (create_ssa_var_map): Never calculate a ref count.
1431 (type_var_init): Remove.
1432 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
1433 (SSA_VAR_MAP_REF_COUNT): Delete.
1434 (create_ssa_var_map): Change Prototype to have no parameters.
1435 (version_ref_count): Delete.
1436 (register_ssa_partition): Remove 'is_use' paramater and don't set the
1438 (type_var_num, type_var, type_var_first_partition,
1439 type_var_next_partition, type_var_dump, type_var_delete,
1440 type_var_remove_partition, type_var_find, type_var_compact,
1441 type_var_decompact): Remove.
1443 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1445 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
1448 2006-12-01 Richard Guenther <rguenther@suse.de>
1451 * dwarf2out.c (struct pubname_struct): Make name const.
1452 (add_pubtype): Do not xstrdup identifiers.
1454 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1456 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
1457 multiword accesses are in range.
1459 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
1461 PR tree-optimization/29921
1462 * tree-ssa-ccp.c (canonicalize_float_value): New function.
1463 (set_lattice_value): Use canonicalize_float_value.
1465 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
1467 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
1468 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
1469 (spu_cpu_cpp_builtins): Remove.
1470 (spu_override_options): Don't set warn_main.
1471 (spu_force_reg): Move from spu-c.c.
1472 (spu_check_builtin_parm): Likewise.
1473 (expand_builtin_args): Likewise.
1474 (spu_expand_builtin_1): Likewise.
1475 (spu_expand_builtin): Likewise.
1476 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
1477 warn_main and targetm.resolve_overloaded_builtin.
1478 * config/spu/spu-c.c (spu_builtin_range): Remove.
1479 (spu_check_builtin_parm): Remove.
1480 (expand_builtin_args): Remove.
1481 (spu_expand_builtin_1): Remove.
1482 (spu_expand_builtin): Remove.
1483 (spu_cpu_cpp_builtins): Moved from spu.c
1484 (spu_force_reg): Remove.
1486 2006-12-01 Joseph Myers <joseph@codesourcery.com>
1487 David Edelsohn <edelsohn@gnu.org>
1490 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
1491 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
1492 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
1493 HARD_REGNO_NREGS_WITH_PADDING): Define.
1494 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
1495 HARD_REGNO_NREGS_WITH_PADDING): Define.
1496 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
1497 Use new macros to detect modes with holes; do not look at integer
1499 (subreg_offset_representable_p): Check for and disallow cases
1500 where the modes use different numbers of bits from registers.
1501 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
1502 constant for soft-float.
1503 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
1505 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
1506 in E500 double case.
1507 * config/rs6000/rs6000.md (movtf): Allow soft-float.
1508 (movtf_softfloat): New.
1510 2006-11-30 Richard Sandiford <richard@codesourcery.com>
1512 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
1513 simplify_gen_subreg.
1515 2006-11-30 Andrew Macleod <amacleod@redhat.com>
1517 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
1518 (COALESCE_HASH_FN): New. Define hash function.
1519 (partition_pair_map_hash): New. Hash value for a partition pair.
1520 (partition_pair_map_eq): New. Equality for hash pairs.
1521 (create_coalesce_list): Create hash table.
1522 (delete_coalesce_list): Free hash table.
1523 (find_partition_pair): Find/create pairs in hash table.
1524 (compare_pairs): Sort pairs in ascending order now.
1525 (num_coalesce_pairs): New. Number of pairs in hash table.
1526 (struct partition_pair_iterator): Iterator struct for pair table.
1527 (first_partition_pair): Iterator function for first pair.
1528 (end_partition_pair_p): Iterator function for end of iteration.
1529 (next_partition_pair): Iterator function for next pair.
1530 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
1531 (sort_coalesce_list): Sort pairs from hash table into an array.
1532 (pop_best_coalesce): Take pairs from the array.
1533 (dump_coalesce_list): Update to use hash table or sorted array.
1534 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
1535 (struct coalesce_list_d): Add hash table related fields.
1537 2006-11-30 Jan Hubicka <jh@suse.cz>
1540 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
1541 memmove/bcopy->memcpy conversion.
1543 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
1545 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
1546 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
1547 Default is the largest alignment supported for 32-bit ELF and
1548 representable on a 32-bit host.
1550 2006-11-30 Janis Johnson <janis187@us.ibm.com>
1552 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
1554 2006-11-30 Jan Hubicka <jh@suse.cz>
1556 * tree-ssa-operands.h (struct ssa_operands): New.
1557 * tree-flow-inline.h (gimple_ssa_operands): New function.
1558 * tree-flow.h: (struct gimple_df): Add ssa_operands.
1559 * Makefile.in: Remove gt-tree-ssa-operands.h
1560 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
1561 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
1562 operand_memory, operand_memory_index, ops_active): Remove statics.
1563 (ALLOC_OPTYPE): Update.
1564 (operand_build_sort_virtual): Update.
1565 (ssa_operands_active): Update.
1566 (init_ssa_operands): Update.
1567 (fini_ssa_operands): Update.
1568 (ssa_operand_alloc): Update.
1569 (INITIALIZE_USE): Update.
1570 (finalize_ssa_use_ops): Update.
1571 (finalize_ssa_v_may_def_ops): Update.
1572 (finalize_ssa_vuse_ops): Update.
1573 (finalize_ssa_v_must_def_ops): Update.
1575 2006-11-30 Richard Guenther <rguenther@suse.de>
1577 * tree-vectorizer.h (vectorizable_function): Export.
1578 * tree-vect-transform.c (vectorizable_function): Likewise.
1579 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
1580 type_in to scalar type in recognition of squaring.
1581 Make sure the target can vectorize sqrt in recognition
1582 of sqrt, set type_in to vector type in this case.
1584 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1586 * config/i386/i386.md (R10_REG): New constant.
1587 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
1588 (ix86_emit_restore_regs_using_mov): Ditto.
1589 (ix86_expand_call): Ditto.
1590 (x86_output_mi_thunk): Ditto. Also use R10_REG.
1592 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1594 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
1595 * alias.c (canon_true_dependence): Update comment.
1597 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1599 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
1600 at the end of a diagnostics message.
1602 * alloc-pool.c (pool_free): Postpone clearing the pool entry
1603 until after asserting that it was allocated in the right pool.
1605 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
1606 successor edge information as well. Make output of live regs
1607 on exit consistent with live regs on entry.
1609 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1612 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
1613 insn patterns for TARGET_80387.
1614 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
1615 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
1616 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
1617 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
1618 Generate truncxf<mode>2 insn patterns for strict SSE math.
1620 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1622 * config/i386/i386.md (movsf_1): Enable pattern for standard
1623 80387 constants before reload when optimizing for size.
1624 (*movdf_nointeger, *movdf_integer): Ditto.
1625 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
1626 80387 constants before reload when not optimizing for size.
1628 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
1629 extension of XFmode input operands.
1631 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1633 * config/spu/crt0.c (__dso_handle): Define.
1635 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
1637 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
1638 when clearing the used flags.
1640 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1642 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
1644 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1647 * config/spu/spu.md (extend_compare<mode>): New pattern.
1648 (extend_compare): Change to expand and use the above pattern.
1650 2006-11-29 Janis Johnson <janis187@us.ibm.com>
1652 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
1654 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
1655 (DFP_INIT_ROUNDMODE): Define.
1656 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
1657 * mklibgcc.in: Fix dependencies for dfp-bit.c.
1659 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
1661 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
1662 Update documentation.
1663 (associate_line_notes_with_blocks): Kill.
1664 (extend_bb): Remove basic block argument, put void instead.
1665 Remove line number handling for each bb.
1666 (save_line_notes): Kill.
1667 (restore_line_notes): Kill.
1668 (sched_init): Remove line_note_head initialization.
1669 Change extend_bb call.
1670 (sched_finish): Remove free of line_note_head.
1671 (add_block): Change extend_bb call.
1672 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
1673 rm_line_notes and restore_line_notes calls.
1674 (schedule_ebbs): Remove rm_redundant_line_notes.
1675 * sched-int.h (struct haifa_insn_data): Remove line_note.
1676 (save_line_notes): Remove declaration.
1677 (restore_line_notes): Remove declaration.
1678 * modulo-sched.c (loop_canon_p): Update debug info printing
1679 by using insn locators instead of line note.
1680 (sms_schedule): Update debug info printing, by using insn
1681 locators instead of line note.
1682 * sched-rgn.c (debug_dependencies): Remove handling of case
1683 n>0 (line number), since it's a dead code.
1684 (schedule_region): Remove save_line_notes and
1685 restore_line_notes calls.
1687 2006-11-29 Joseph Myers <joseph@codesourcery.com>
1689 * config/rs6000/predicates.md (gpc_reg_operand): Check
1690 invalid_e500_subreg.
1691 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
1692 SImode subregs of SPE vectors.
1693 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
1694 * jump.c (true_regnum): Require subregs to satisfy
1695 subreg_offset_representable_p.
1697 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
1698 Steven Bosscher <stevenb.gcc@gmail.com>
1700 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
1701 since it no longer exists.
1703 2006-11-29 Duncan Sands <baldrick@free.fr>
1705 PR tree-optimization/23744
1706 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
1708 2006-11-29 Duncan Sands <baldrick@free.fr>
1710 PR tree-optimization/23744
1711 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
1713 2006-11-29 Duncan Sands <baldrick@free.fr>
1715 PR tree-optimization/23744
1716 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
1718 2006-11-29 Jie Zhang <jie.zhang@analog.com>
1720 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
1722 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
1724 * sh.opt (minline-ic_invalidate): New option.
1725 (musermode): Adjust comment.
1726 * sh.c (sh_initialize_trampoline): Emit library call unless
1727 is set; if it is set, don't emit library call if we can use icbi
1729 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
1730 icbi for TARGET_SH4_300.
1731 * t-sh (LIB1ASMFUNCS_CACHE): Set.
1732 * doc/invoke.texi: Document -minline-ic_invalidate; Update
1733 -musermode documentation.
1735 2006-11-29 Jim Tison <jtison@us.ibm.com>
1737 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
1738 __gthread_recursive_mutex_init): Define.
1740 2006-11-29 Joseph Myers <joseph@codesourcery.com>
1742 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
1743 STRICT_ALIGNMENT and the type is more aligned than the saved
1744 registers, copy via a temporary.
1746 2006-11-28 Andrew Pinski <pinskia@gmail.com>
1749 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
1752 2006-11-28 Bob Wilson <bob.wilson@acm.org>
1754 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
1756 2006-11-28 Jan Hubicka <jh@suse.cz>
1758 Privatize SSA variables into gimple_df.
1759 * tree-flow-inline.h
1760 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
1761 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
1762 gimple_nonlocal_all): New accessors.
1763 (first_referenced_var): Update.
1764 (mark_stmt_modified): Update.
1765 (is_call_clobbered): Update.
1766 (mark_call_clobbered): Update.
1767 (clear_call_clobbered): Update.
1768 (mark_non_addressable): Update.
1769 * tree-vrp.c (get_value_range): Update.
1770 * tree-into-ssa.c (in_ssa_p): Kill.
1771 (get_default_def_for): Update.
1772 (rewrite_into_ssa): Update.
1773 * tree-complex.c (init_parameter_lattice_values): Update.
1774 (update_complex_assignment): Update.
1775 (update_parameter_components): Update.
1776 (expand_complex_libcall): Update.
1777 (expand_complex_operations_1): Update.
1778 * tree-tailcall.c (arg_needs_copy_p): Update.
1779 (add_virtual_phis): Update.
1780 (tree_optimize_tail_calls_1): Update.
1781 * tree-ssa-dse.c (memory_ssa_name_same): Update.
1782 * tree-ssa-copyrename.c
1783 (copy_rename_partition_coalesce): Update.
1784 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
1785 * tree-ssa-propagate.c (set_rhs): Update.
1786 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
1787 addressable_vars, global_var):Kill.
1788 (set_initial_properties): Update.
1789 (init_alias_info): Update.
1790 (finalize_ref_all_pointers): Update.
1791 (setup_pointers_and_addressables): Update.
1792 (maybe_create_global_var): Update.
1793 (create_global_var): Update.
1794 (dump_points_to_info): Update.
1795 * function.h (struct gimple_df): Forward declare.
1796 (struct function): Add GIMPLE_DF field.
1797 * gimplify.c (force_gimple_operand): Update.
1798 * tree-dfa.c (referenced_vars, default_defs): KIll.
1799 (make_rename_temp): Update.
1800 (dump_variable): Update.
1801 (referenced_var_lookup): Update.
1802 (referenced_var_check_and_insert): Update.
1803 (default_def): Rename to ...
1804 (gimple_default_def): ... this one; accept cfun argument.
1805 (set_default_def): Update.
1806 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
1807 (cleanup_control_flow): Update.
1808 * tree-ssa-pre.c (compute_avail): Update
1809 * tree-ssa-live.c (calculate_live_on_entry): Update.
1810 * tree-ssa.c (verify_use): Update.
1811 (verify_call_clobbering): Update.
1812 (verify_call_clobbering): Update.
1813 (init_tree_ssa): Update.
1814 (delete_tree_ssa): Update.
1815 * tree-outof-ssa.c (coalesce_ssa_name): Update.
1816 (rewrite_out_of_ssa): Update.
1817 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
1818 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
1820 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
1821 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
1822 addressable_vars, aliases_computed_p): Kill.
1823 (default_def): Rename to...
1824 (gimple_default_def): ... this one.
1825 (defaule_def_fn): Kill.
1826 (num_referenced_vars, ssa_names, num_ssa_names): Update.
1827 * tree-ssa-structalias.c (nonlocal_all): Kill.
1828 (get_constraint_exp_from_ssa_var): Update.
1829 (create_nonlocal_var): Update.
1830 (get_constraint_for): Update.
1831 (update_alias_info): Update.
1832 (find_global_initializers): Update.
1833 (intra_create_variable_infos): Update.
1834 (intra_create_variable_infos):
1835 (find_what_p_points_to): Update.
1836 (init_alias_heapvars): Update.
1837 * tree-cfg.c (remove_bb): Update.
1838 (gimplify_val): Update.
1839 * tree-ssa-reassoc.c (get_rank): Update.
1840 (init_reassoc): Update.
1841 * tree-ssanames.c: Do not include gt-tree-ssanames.h
1842 (ssa_names, free_ssanames): Kill.
1843 (init_ssanames): Update.
1844 (make_ssa_name): Update.
1845 (release_ssa_name): Update.
1846 (release_defs): Update.
1847 (replace_ssa_name_symbol): Update.
1848 * tree-ssa-operands.c (access_can_touch_variable): Update.
1849 (add_virtual_operand): Update.
1850 (add_call_clobber_ops): Update.
1851 (add_call_read_ops): Update.
1852 (get_call_expr_operands): Update.
1853 (get_asm_expr_operands): Update.
1855 2006-11-28 Jan Hubicka <jh@suse.cz>
1857 * builtins.c: Include tree-flow.h.
1858 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
1859 assignment; convert memmove to memcpy for sizes greater than 1 where
1860 alignment of operands prohibit the partial overlap.
1862 2006-11-28 Jan Hubicka <jh@suse.cz>
1864 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
1865 * cgraph.c (dump_cgraph_node): Dump stack usage.
1866 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
1867 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
1868 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
1869 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
1870 (cgraph_check_inline_limits): Limit stack growth.
1871 * cfgexpand.c: Include tree-inline.h.
1872 (account_stack_vars): New function.
1873 (expand_one_var): New param to just account the stack; return estimated
1875 (expand_used_vars_for_block): Update call of expand_one_var.
1876 (account_used_vars_for_block): New function.
1877 (estimated_stack_frame_size): Likewise.
1878 (init_vars_expansion, fini_vars_expansion): Break out from..
1879 (expand_used_vars): ... here.
1880 * tree-inline.h (estimated_stack_frame_size): Declare.
1881 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
1883 2006-11-28 Richard Guenther <rguenther@suse.de>
1885 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
1886 unsigned long for printing OBJECT_SIZE.
1888 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
1890 * alias.c (init_alias_analysis): Remove simplification loop
1891 after propagating pointers.
1893 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
1895 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
1898 2006-11-27 Bob Wilson <bob.wilson@acm.org>
1900 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
1902 2006-11-27 Roger Sayle <roger@eyesopen.com>
1903 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1905 * c-common.c (constant_fits_type_p): Delete.
1906 (unsigned_conversion_warning): Delete.
1907 (conversion_warning): Integrate Wconversion warning from
1908 unsigned_conversion_warning.
1909 (convert_and_check): Integrate Woverflow warning from
1910 unsigned_conversion_warning. Reorganize and simplify to avoid
1911 dependence upon the middle-end setting TREE_OVERFLOW on integral
1912 conversions, by using int_fits_type_p directly.
1914 2006-11-27 Tobias Burnus <burnus@net-b.de>
1916 * doc/invoke.texi: Fixed typo.
1918 2006-11-27 Michael Matz <matz@suse.de>
1919 Andreas Krebbel <krebbel1@de.ibm.com>
1922 * config/s390/predicates.md (larl_operand): Check addend of larl
1923 operand to be in range of -/+2GB.
1924 * config/s390/s390.c (legitimize_pic_address): Likewise.
1925 Changed type of variable even to HOST_WIDE_INT.
1927 2006-11-27 Jan Hubicka <jh@suse.cz>
1929 * expr.c (emit_block_move_via_libcall): Export.
1930 (clear_storage_via_libcall): Rename to ...
1931 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
1932 (clear_storage): Update to set_storage_via_libcall.
1933 * expr.h (emit_block_move_via_libcall): Declare
1934 * config/i386/i386.h (stringop_alg): New enum.
1935 (MAX_STRINGOP_ALGS): New constant.
1936 (stringop_algs): New struct.
1937 (processor_costs): Add memcpy/memset descriptors.
1938 (TARGET_REP_MOVEL_OPTIMAL): Remove.
1939 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
1940 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
1942 * config/i386/i386.opt (minline-stringops-dynamically,
1943 mstringop-strategy): New
1945 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
1946 (ix86_expand-clrmem): Rename to ...
1947 (ix86_expand_setmem): ... this one; update prototype.
1948 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
1949 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
1950 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
1951 nocona_cost, core2_cost, generic_cost, generic64_cost,
1952 generic32_cost): Add memcpy/memset descriptors.
1953 (x86_rep_movl_optimal): Remove.
1954 (stringop_alg): New static variable.
1955 (ix86_expand_aligntest): Handle predictions.
1956 (override_options): Add strgop_alg handling.
1957 (predict_jump): New function.
1958 (scale_counter): New function.
1959 (expand_set_or_movmem_via_loop): New function.
1960 (expand_movmem_via_rep_mov): New function.
1961 (expand_setmem_via_rep_stots): New function.
1962 (emit_strmov): New function.
1963 (expand_movmem_epilogue): New function.
1964 (expand_setmem_epilogue_via_loop): New function.
1965 (expand_setmem_epilogue): New function.
1966 (expand_movmem_prologue): New function.
1967 (expand_setmem_prologue): New function.
1968 (decide_alg): New function.
1969 (decide_alignment): New function.
1970 (ix86_exand_movmem): Rewrite.
1971 (promote_duplicated_reg): New function.
1972 (ix86_expand_clrmem): Rename to ...
1973 (ix86_expand_setmem): ... this one. Rewrite.
1975 * invoke.texi (minline-stringops-dynamically): New command line option.
1976 (mstringop-strategy): Likewise.
1978 2006-11-27 Jan Hubicka <jh@suse.cz>
1980 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
1981 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
1982 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
1983 * insn-notes.def (FUNCTION_END): Remove.
1984 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
1985 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
1987 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
1988 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
1989 * cfglayout.c (duplicate_insn_chain): Don't worry about
1992 2006-11-27 Richard Guenther <rguenther@suse.de>
1993 Zdenek Dvorak <dvorakz@suse.cz>
1995 * target.h (struct gcc_target): Add builtin_vectorized_function
1997 * target-def.h (TARGET_VECTORIZE): Likewise.
1998 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
1999 Document new target hook.
2000 * targhooks.h (default_builtin_vectorized_function): Declare.
2001 * targhooks.c (default_builtin_vectorized_function): Define.
2002 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
2003 (vectorizable_call): Declare.
2004 * tree-vect-analyze.c (vect_analyze_operations): Call
2006 * tree-vect-transform.c (vectorizable_function): New static function.
2007 (build_vectorized_function_call): Likewise.
2008 (vectorizable_call): New function.
2009 (vect_transform_stmt): Handle vectorizable calls.
2011 2006-11-27 Richard Guenther <rguenther@suse.de>
2014 * builtins.c (expand_builtin_pow): Optimize non integer valued
2015 constant exponents using sqrt or cbrt if possible. Always fall back
2016 to expanding via optabs.
2018 2006-11-27 Ira Rosen <irar@il.ibm.com>
2020 PR tree-optimization/22372
2021 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
2022 the type of the base address.
2023 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
2024 it in the data-ref pointer creation.
2025 (vect_init_vector): Add an argument, type of the init vector. Use it in
2027 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
2028 (get_initial_def_for_reduction): Likewise.
2029 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
2031 (vectorizable_assignment, vect_permute_store_chain): Likewise.
2032 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
2033 correct type in stmt creation.
2034 (vect_setup_realignment): Use the correct type in stmt creation.
2035 (vect_permute_load_chain): Change type of MODIFY_EXPR to
2037 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
2038 of MODIFY_EXPR to void_type_node.
2039 (vectorizable_condition): Change type of MODIFY_EXPR to
2041 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
2044 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
2047 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2048 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2049 standard 80387 constants, raise the cost to prevent
2050 compress_float_constant() to generate load from memory.
2052 * config/i386/i386.md: Add new splitter pattern to split
2053 float_extended load of constant from constant pool into
2056 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2058 * doc/install.texi: Move GMP/MPFR configure options from Fortran
2059 section to general section. Remove documentation for
2060 --with-mpfr-dir and --with-gmp-dir, add documentation for
2061 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
2064 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
2066 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
2068 * testsuite/gcc.dg/ipa/ipa-6.c: New.
2070 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
2072 PR tree-optimization/29122
2073 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
2074 for the new version. Assign NULL to DECL_RTL of the new version.
2076 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
2078 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
2080 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
2082 * cse.c (cse_altered): Remove.
2083 (record_jump_equiv): Make true/false argument a bool instead
2085 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
2086 where appropriate. Emit a new jump before the existing one
2087 instead of after so that delete_insn_and_edges removes the
2088 dead edges properly. Check any_condjump_p before calling
2090 (cse_basic_block): Check any_condjump_p before calling
2092 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
2094 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
2096 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
2097 -ffixed-line-length-* options.
2099 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
2101 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
2102 (fprem1xf4): Rename to fprem1xf4_i387.
2104 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
2105 Rename patterns to fmod<mode>3. Use general_operand operand
2106 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
2107 patterns for SSE math.
2108 (remaindersf3, remainderdf3): Ditto.
2110 2006-11-25 Joseph Myers <joseph@codesourcery.com>
2112 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
2113 inside start_sequence / end_sequence pair.
2115 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
2117 * jump.c (mark_all_labels): Work in cfglayout mode.
2118 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
2119 when in cfglayout mode, because there are no dead jumptables
2121 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
2123 (commit_edge_insertions): Do not allow insertion of instructions
2124 with control flow insns when in cfglayout mode.
2126 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
2128 * tree-vrp.c (execute_vrp): Do not pass loops structure through
2130 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
2131 unswitch_loop): Ditto.
2132 * tree-loop-linear.c (linear_transform_loops): Ditto.
2133 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
2134 tree_ssa_lim): Ditto.
2135 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
2136 free_numbers_of_iterations_estimates): Ditto.
2137 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
2138 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
2139 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
2140 remove_path, add_loop, loopify, unloop, fix_loop_placements,
2141 place_new_loop, duplicate_loop, duplicate_subloops,
2142 update_single_exit_for_duplicated_loops, copy_loops_to,
2143 duplicate_loop_to_header_edge, create_preheaders,
2144 force_single_succ_latches, loop_version, fix_loop_structure):
2146 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
2147 tree_unroll_loop): Ditto.
2148 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2149 * tree-scalar-evolution.c (select_loops_exit_conditions,
2150 scev_initialize, scev_analysis): Ditto.
2151 * tree-scalar-evolution.h (scev_initialize): Ditto.
2152 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
2153 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
2154 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
2155 * modulo-sched.c (sms_schedule): Ditto.
2156 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2157 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
2158 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
2159 * ifcvt.c (if_convert): Ditto.
2160 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
2161 canonicalize_loop_induction_variables,
2162 canonicalize_induction_variables,
2163 tree_unroll_loops_completely, remove_empty_loops): Ditto.
2164 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
2165 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
2166 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
2167 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
2168 tree_ssa_loop_done): Ditto.
2169 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
2170 estimate_bb_frequencies): Ditto.
2171 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
2172 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
2173 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
2174 decide_unrolling_and_peeling, peel_loop_completely,
2175 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
2176 peel_loop_simple, unroll_loop_stupid): Ditto.
2177 * loop-doloop.c (doloop_optimize_loops): Ditto.
2178 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
2179 * loop-invariant.c (move_loop_invariants): Ditto.
2180 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
2181 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
2182 tree_ssa_prefetch_arrays): Ditto.
2183 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
2185 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
2186 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
2187 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
2188 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
2189 verify_loop_structure): Ditto.
2190 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
2191 canonicalize_induction_variables, tree_unroll_loops_completely,
2192 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
2193 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
2194 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
2195 tree_unroll_loop, linear_transform_loops): Declaration changed.
2196 * basic-block.h: Remove declaration of struct loops.
2197 * cfghooks.h (struct cfg_hooks): Change type of
2198 cfg_hook_duplicate_loop_to_header_edge.
2199 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
2200 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
2201 vect_transform_loop): Declaration changed.
2202 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
2203 * cfgloop.h (flow_loops_dump, fix_loop_structure,
2204 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
2205 cancel_loop_tree, create_preheaders, force_single_succ_latches,
2206 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
2207 loopify, loop_version, remove_path, unswitch_loops,
2208 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
2209 Declaration changed.
2211 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
2213 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
2214 (X87MODEF): New mode macro.
2215 (ssemodefsuffix): New mode attribute.
2216 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
2217 (sqrt_extend<mode>xf2_i387): New insn pattern.
2218 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
2219 insn and truncate result back to original mode using
2220 UNSPEC_TRUNC_NOOP truncation.
2221 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
2222 ssemodefsuffix mode attribute.
2223 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
2224 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
2225 (*sqrtextenddfxf2_i387): Remove insn patterns.
2227 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
2228 truncation patterns.
2230 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
2232 2006-11-24 Jakub Jelinek <jakub@redhat.com>
2235 * c-tree.h (c_maybe_initialize_eh): New prototype.
2236 * c-decl.c (finish_decl): Move EH initialization...
2237 (c_maybe_initialize_eh): ... here. New function.
2238 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
2239 if not #pragma omp atomic.
2242 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
2243 or UNION_TYPE inner types.
2245 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
2248 * ipa-pure-const.c (check_tree): If the original tree
2249 is volatile return early and say the function is not pure
2250 nor const. Remove the volatile check for writes.
2251 (analyze_function): Print out the result of the local
2254 2006-11-24 Joseph Myers <joseph@codesourcery.com>
2256 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
2258 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
2259 * config/rs6000/rs6000.c (rs6000_override_options): Use
2260 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
2263 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
2265 * config/s390.c (s390_emit_compare_and_swap): New function.
2266 (s390_expand_cs_hqi, s390_expand_atomic): Call
2267 s390_emit_compare_and_swap.
2269 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2271 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
2273 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2277 * c-common.c (conversion_warning): New.
2278 (convert_and_check): Call conversion_warning unless there is an
2280 * doc/invoke.texi (-Wconversion): Update description.
2282 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
2284 * tree-ssa-alias.c (tree_pointer_compare): New function.
2285 (compact_name_tags): New function.
2286 (group_aliases): Call compact_name_tags.
2288 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2290 * real.h (real_isinteger): Declare.
2291 * real.c (real_isinteger): Define.
2292 * builtins.c (integer_valued_real_p): Use it.
2294 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2297 * c.opt (Wtraditional-conversion): New.
2298 (Wconversion): Update description.
2299 * c-typeck.c (convert_arguments): Warnings for prototypes causing
2300 type conversions different from what would happen in the absence
2301 of prototype are now handled by Wtraditional-conversion.
2302 * doc/invoke.texi (Wtraditional-conversion): New.
2303 (Wconversion): Update description.
2304 * doc/trouble.texi (Wconversion): Replace Wconversion by
2305 Wtraditional-conversion.
2307 2006-11-23 Andrew Pinski <pinskia@gmail.com>
2309 * predict.c (tree_estimate_probability): Check to make
2310 sure current_loops is non null before calling flow_loops_dump.
2312 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2314 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
2316 2006-11-23 David Ung <davidu@mips.com>
2318 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
2320 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
2321 (ASM_SPEC): Pass along -mfp32 and -mfp64.
2322 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
2323 high part of FP register when in 64-bit FP register mode. Similarly
2324 use gen_mfhc1 to load high part of FP register.
2325 (override_options): Allow -mgp32 and -mfp64 combination if
2326 ISA_HAS_MXHC1 (currently for O32 only).
2327 (mips_cannot_change_mode_class): If floating-point registers are
2328 bigger than word size. disallow conversion of float register from a
2329 large integer mode to a float mode smaller than the float register
2331 (mips_class_max_nregs): Handle float registers case seperately.
2332 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
2334 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
2335 (movdf_hardfloat_32bit): Similarly.
2336 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
2337 support a full 64-bit fpu.
2338 (mthc1): New pattern to generate MTHC1 instruction.
2339 (mfhc1): New pattern to generate MFHC1 instruction.
2340 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
2341 option for the MIPS32R2 and mention its use under O32 ABI.
2343 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2345 * var-tracking.c (emit_note_insn_var_location): Take care not to
2346 cause verify_flow_info failures.
2348 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
2350 * tree-ssa-structalias.c: Remove edge weights in favor of just
2351 processing them as complex constraints.
2352 (struct constraint_graph): Remove weighted succs and preds. Rename
2353 nonweighted succs and preds.
2354 (constraint_edge): Removed.
2355 (constraint_edge_t): Ditto.
2356 (constraint_edge_pool): Ditto.
2357 (new_constraint_edge): Ditto.
2358 (constraint_edge_equal): Ditto.
2359 (constraint_edge_less): Ditto.
2360 (constraint_edge_vec_find): Ditto.
2361 (erase_self_graph_edge): Ditto.
2362 (add_graph_edge): Removed.
2363 (get_graph_weights): Ditto.
2364 (allocate_graph_weights): Ditto.
2365 (valid_weighted_graph_edge): Ditto
2366 (bitmap_other_than_zero_bit_set): Ditto.
2367 (int_add_graph_edge): Renamed to add_graph_edge.
2368 (clear_edges_for_node): Remove support for weighted edges.
2369 (merge_graph_nodes): Ditto.
2370 (valid_graph_edge): Ditto.
2371 (build_constraint_graph): Ditto.
2373 (collapse_nodes): Ditto.
2374 (process_unification_queue): Ditto.
2375 (topo_visit): Ditto.
2376 (do_ds_constraint): Ditto.
2377 (perform_var_subsitution): Ditto.
2378 (solve_graph): Ditto.
2379 (init_alias_vars): Ditto.
2380 (delete_points_to_sets): Ditto.
2381 (do_complex_constraint): Support offsetted copies here.
2383 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
2385 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
2387 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
2389 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
2392 2006-11-23 Ben Elliston <bje@au.ibm.com>
2394 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
2396 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
2398 PR tree-optimization/29921
2399 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
2400 signed and unsigned zero equal.
2402 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
2404 * config/rs6000/rs6000.c (get_store_dest): New.
2405 (adjacent_mem_locations): Use get_store_dest() to get
2406 the rtl of the store destination.
2408 2006-11-22 Joseph Myers <joseph@codesourcery.com>
2410 * config/rs6000/spe.md (SPE64): New mode macro.
2411 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
2413 (mov_si<mode>_e500_subreg0_2): New.
2414 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
2416 (mov_si<mode>_e500_subreg4_2): New.
2417 * config/rs6000/predicates.md (input_operand): Do not allow
2418 invalid E500 subregs.
2419 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
2421 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
2422 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
2423 involving vector modes if TARGET_SPE.
2425 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
2428 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
2429 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
2431 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
2433 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
2434 mem_i_address_operand): New predicates.
2435 * config/bfin/bfin.c (bfin_issue_rate): New function.
2436 (TARGET_SCHED_ISSUE_RATE): New macro.
2437 * config/bfin/bfin.md (addrtype): New attribute.
2438 (slot0, slot1, slot2, store, pregs): New cpu_units.
2439 (core): Now a define_reservation.
2440 (alu): Remove some insn types from this reservation.
2441 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
2443 (dummy reservation): Don't trigger for mcld insns.
2444 (absence_sets): Two new absence sets to enforce slot ordering.
2445 (popsi_insn): Set addrtype.
2447 2006-11-22 Ira Rosen <irar@il.ibm.com>
2449 * doc/c-tree.texi: Document new tree codes.
2450 * doc/md.texi: Document new optabs.
2451 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
2453 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
2454 * optabs.h (optab_index): Add new.
2455 (vec_extract_even_optab, vec_extract_odd_optab,
2456 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
2457 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
2458 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
2460 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
2461 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2462 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
2463 along with macros for their access.
2464 * tree-data-ref.h (first_location_in_loop, data_reference): Update
2466 * tree-vect-analyze.c (toplev.h): Include.
2467 (vect_determine_vectorization_factor): Fix indentation.
2468 (vect_insert_into_interleaving_chain,
2469 vect_update_interleaving_chain, vect_equal_offsets): New functions.
2470 (vect_analyze_data_ref_dependence): Add argument for interleaving
2471 check. Check for interleaving if it's true.
2472 (vect_check_dependences): New function.
2473 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
2474 every ddr. Call vect_analyze_data_ref_dependence with new argument.
2475 (vect_update_misalignment_for_peel): Update for interleaving.
2476 (vect_verify_datarefs_alignment): Check only first data-ref for
2478 (vect_enhance_data_refs_alignment): Update for interleaving. Check
2479 only first data-ref for interleaving.
2480 (vect_analyze_data_ref_access): Check interleaving, update
2482 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
2483 with different parameters.
2484 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
2485 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
2486 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
2487 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
2488 Update step in case of interleaving.
2489 (vect_strided_store_supported, vect_permute_store_chain): New
2491 (vectorizable_store): Handle strided stores.
2492 (vect_strided_load_supported, vect_permute_load_chain,
2493 vect_transform_strided_load): New functions.
2494 (vectorizable_load): Handle strided loads.
2495 (vect_transform_stmt): Add argument. Handle strided stores. Check
2496 that vectorized stmt exists for patterns.
2497 (vect_gen_niters_for_prolog_loop): Update calculation for
2499 (vect_transform_loop): Remove stmt_vec_info for strided stores after
2500 whole chain vectorization.
2501 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
2502 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
2503 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
2504 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
2505 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
2507 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
2509 * cse.c (enum taken): Remove PATH_AROUND.
2510 (addr_affects_sp_p, invalidate_skipped_set,
2511 invalidate_skipped_block): Remove.
2512 (cse_end_of_basic_block): Remove skip_blocks and related code.
2513 (cse_main): Don't test for flag_cse_skip_blocks.
2514 Update cse_end_of_basic_block call.
2515 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
2516 code to lengthen the path if a jump was simplified.
2518 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2520 PR rtl-optimization/29924
2521 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
2522 (unroll_loop_runtime_iterations): Assert that the argument passed to
2523 split_edge_and_insert is not NULL.
2524 * loop-doloop.c (add_test): Ditto.
2526 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2528 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
2530 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
2531 * cfgloopmanip.c (update_single_exits_after_duplication,
2532 update_single_exit_for_duplicated_loop, loop_version): Ditto.
2533 * tree-scalar-evolution.c (get_loop_exit_condition,
2534 get_exit_conditions_rec, loop_closed_phi_def,
2535 number_of_iterations_in_loop, scev_const_prop): Ditto.
2536 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
2537 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
2539 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2541 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
2542 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
2543 slpeel_make_loop_iterate_ntimes,
2544 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
2545 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
2547 * tree-if-conv.c (if_convertible_loop_p): Ditto.
2548 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
2549 vect_analyze_loop_form): Ditto.
2550 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
2551 can_convert_to_perfect_nest, perfect_nestify): Ditto.
2552 * tree-vect-transform.c (vect_create_epilog_for_reduction,
2553 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
2554 vect_transform_loop): Ditto.
2555 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
2556 (single_exit, set_single_exit): New functions.
2557 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
2558 (single_exit, set_single_exit): Declare.
2559 * doc/loop.texi: Undocument single_exit field. Document single_exit
2562 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2564 PR tree-optimization/29902
2565 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
2566 any involved ssa name appears in abnormal phi node.
2568 2006-11-21 Bob Wilson <bob.wilson@acm.org>
2570 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
2571 (xtensa_const_ok_for_letter_p): Delete.
2572 (xtensa_extra_constraint): Delete.
2573 (override_options): Delete xtensa_char_to_class initialization.
2574 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
2575 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2576 (EXTRA_CONSTRAINT): Delete.
2577 * config/xtensa/xtensa.md: Include constraints.md.
2578 (call_internal): Combine alternatives.
2579 (call_value_internal): Likewise, and remove invalid constraints.
2580 * config/xtensa/constraints.md: New file.
2581 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
2582 (xtensa_extra_constraint): Delete.
2583 * doc/md.texi (Machine Constraints): Refer to constraints.md for
2586 2006-11-21 Janis Johnson <janis187@us.ibm.com>
2588 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
2589 of conversion that doesn't fit.
2591 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
2592 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
2593 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
2595 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
2597 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
2599 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
2601 2006-11-21 Richard Guenther <rguenther@suse.de>
2603 * tree-vectorizer.h (NUM_PATTERNS): Increase.
2604 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
2605 vect_recog_pow_pattern.
2606 (vect_recog_pow_pattern): New function.
2608 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
2610 * config/bfin/bfin.opt (mstack-check-l1): New.
2611 * doc/invoke.texi (Blackfin Options): Document it.
2612 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
2613 stack bounds in L1 memory if the new option is enabled.
2614 (override_options): Don't allow combinations of -fstack-limit and
2616 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
2619 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
2621 (bfin_register_move_cost): Bump costs if trying to move plain
2622 integer values through accumulators.
2624 2006-11-21 Ben Elliston <bje@au.ibm.com>
2626 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
2628 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
2629 Russell Olsen <Russell_Olsen@playstation.sony.com>
2630 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
2631 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
2632 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
2633 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
2634 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2636 * config.gcc: Add target for SPU.
2637 * config/spu/constraints.md: New file.
2638 * config/spu/crt0.c: New file.
2639 * config/spu/crtend.c: New file.
2640 * config/spu/crti.asm: New file.
2641 * config/spu/crtn.asm: New file.
2642 * config/spu/float_unsdidf.c: New file.
2643 * config/spu/float_unssidf.c: New file.
2644 * config/spu/predicates.md: New file.
2645 * config/spu/spu-builtins.def: New file.
2646 * config/spu/spu-builtins.h: New file.
2647 * config/spu/spu-builtins.md: New file.
2648 * config/spu/spu-c.c: New file.
2649 * config/spu/spu-elf.h: New file.
2650 * config/spu/spu-modes.def: New file.
2651 * config/spu/spu-protos.h: New file.
2652 * config/spu/spu.c: New file.
2653 * config/spu/spu.h: New file.
2654 * config/spu/spu.md: New file.
2655 * config/spu/spu.opt: New file.
2656 * config/spu/spu_internals.h: New file.
2657 * config/spu/spu_intrinsics.h: New file.
2658 * config/spu/spu_mfcio.h: New file.
2659 * config/spu/t-spu-elf: New file.
2660 * config/spu/vec_types.h: New file.
2661 * config/spu/vmx2spu.h: New file.
2662 * doc/contrib.texi: Document SPU contributor.
2663 * doc/extend.texi: Document SPU extensions.
2664 * doc/invoke.texi: Document SPU options.
2665 * doc/md.texi: Document SPU constraints.
2667 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2669 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
2671 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
2673 (flow_loop_dump): Do not dump loop level.
2674 (flow_loops_find): Do not call flow_loops_level_compute.
2675 * cfgloop.h (struct loop): Remove level field.
2677 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2679 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
2680 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
2681 Use vector of edges instead of array.
2682 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
2683 estimate_numbers_of_iterations_loop): Ditto.
2684 * predict.c (predict_loops): Ditto.
2685 * loop-unroll.c (analyze_insns_in_loop): Ditto.
2686 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
2688 * basic-block.h: Declare heap allocation for edge vectors.
2689 * tree-outof-ssa.c: Ditto.
2690 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
2691 * cfgloop.h (get_loop_exit_edges): Declaration changed.
2693 2006-11-20 Zack Weinberg <zackw@panix.com>
2695 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
2696 Add another out parameter, "skip".
2697 (set_gc_used_type): Adjust calls to process_gc_options. If a field
2698 is tagged "skip", do not mark its type used.
2700 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2703 * tree-sra.c (single_scalar_field_in_record_p): New function.
2704 (decide_block_copy): Use it.
2706 2006-11-20 David Daney <ddaney@avtrex.com>
2708 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
2709 PC to point to following instruction.
2711 2006-11-20 Anatoly Sokolov <aesok@post.ru>
2715 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
2717 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
2719 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
2721 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2722 Add sh/superh.h to tm_file.
2724 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
2725 Mark Mitchell <mark@codesourcery.com>
2727 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
2729 (cpp_relocated): New function.
2730 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
2732 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
2733 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
2734 replace configured prefix with gcc_exec_prefix.
2736 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
2738 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
2739 bfin_legitimate_constant_p.
2740 * config/bfin/bfin.md (movsi expander): Check return value of
2742 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
2743 (expand_move): Adjust prototype.
2744 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
2745 invalid constants specially.
2746 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
2748 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
2750 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
2751 sibcall_value_symbol): Allow these patterns if
2752 TARGET_LEAF_ID_SHARED_LIBRARY.
2753 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
2754 (override_options): Turn on id shared library flags if -msep-data,
2755 but disallow the combination of these options on the command line.
2756 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
2757 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
2758 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
2759 -mid-shared-library.
2760 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
2761 * doc/invoke.texi (Blackfin Options): Document new switches.
2763 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
2764 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
2766 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
2767 inflate costs for addresses with an out-of-bounds address.
2769 2006-11-19 Andrew Pinski <pinskia@gmail.com>
2772 * fwprop.c (loops): Remove.
2773 (forward_propagate_into): Use current_loops instead of
2775 (fwprop_init): Call loop_optimizer_init instead of
2777 (fwprop_done): Call loop_optimizer_finalize instead of
2779 (fwprop): Use current_loops instead of loops.
2781 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
2784 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
2786 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2789 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
2790 larger than BITS_PER_WORD.
2792 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2796 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
2797 to MAX_FIXED_MODE_SIZE.
2799 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2801 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
2802 (fold_builtin_fmin_fmax): New.
2803 (fold_builtin_1): Use it.
2805 * fold-const.c (fold_strip_sign_ops): Handle copysign.
2807 2006-11-18 Richard Guenther <rguenther@suse.de>
2809 * config/i386/i386.c (ix86_builtins): New array for ix86
2810 builtin function decls.
2811 (def_builtin): New function.
2812 (def_builtin_const): Likewise.
2813 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
2815 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
2817 * doc/invoke.texi (core2): Add item.
2819 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
2821 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
2822 (TARGET_CPU_DEFAULT_generic): Change value.
2823 (TARGET_CPU_DEFAULT_NAMES): Add core2.
2824 (processor_type): Add new constant PROCESSOR_CORE2.
2826 * config/i386/i386.md (cpu): Add core2.
2828 * config/i386/i386.c (core2_cost): New initialized variable.
2829 (m_CORE2): New macro.
2830 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2831 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
2832 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2833 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2834 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2835 x86_accumulate_outgoing_args, x86_prologue_using_move,
2836 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2837 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
2838 x86_use_incdec, x86_four_jump_limit, x86_schedule,
2839 x86_pad_returns): Add m_CORE2.
2840 (override_options): Add entries for Core2.
2841 (ix86_issue_rate): Add case for Core2.
2843 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
2845 * doc/invoke.texi: Fix mno-isel typo.
2847 2006-11-18 Joseph Myers <joseph@codesourcery.com>
2849 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
2850 easy vector constant loads.
2852 2006-11-18 Joseph Myers <joseph@codesourcery.com>
2854 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
2855 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2856 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
2857 * config/rs6000/sync.md (lwsync): Emit plain sync if
2860 2006-11-17 DJ Delorie <dj@redhat.com>
2862 * reload1.c (reloads_unique_chain): New.
2863 (reloads_conflict): Call it.
2865 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2867 * config/xtensa/predicates.md (addsubx_operand): New.
2868 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
2869 (xtensa_emit_bit_branch): New.
2870 (xtensa_emit_movcc): New.
2871 * config/xtensa/xtensa.md (any_minmax): New code macro.
2872 (minmax): New code attribute.
2873 (any_cond, any_scc, any_scc_sf): New code macros.
2874 (*addx2, *addx4, *addx8): Delete.
2876 (*subx2, *subx4, *subx8): Delete.
2878 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
2879 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
2880 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
2881 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
2882 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
2883 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
2884 (movsfcc_internal0, movsfcc_internal1): Likewise.
2885 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
2886 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
2887 (xtensa_emit_bit_branch): New.
2888 (xtensa_emit_movcc): New.
2889 (function_arg_boundary): Add missing prototype.
2891 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2893 * config/xtensa/xtensa.md (tstsi): Delete
2895 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2897 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
2899 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2901 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2903 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2905 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
2907 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2909 * tree-vrp.c (execute_vrp): Do not update current_loops.
2910 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
2911 * doc/loop.texi: Remove documentation for cancelled functions.
2912 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
2913 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
2915 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
2916 (remove_path): Ensure that in delete_basic_blocks, the loops
2917 are still allocated.
2918 (add_loop): Work on valid loop structures.
2919 (loopify): Modify call of add_loop.
2920 (mfb_update_loops): Removed.
2921 (create_preheader): Do not update loops explicitly.
2922 (force_single_succ_latches, loop_version): Do not use
2923 loop_split_edge_with.
2924 (loop_split_edge_with): Removed.
2925 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
2926 Do not use bsi_insert_on_edge_immediate_loop.
2927 (split_loop_exit_edge, tree_unroll_loop): Do not use
2928 loop_split_edge_with.
2929 (bsi_insert_on_edge_immediate_loop): Removed.
2930 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
2931 use loop_split_edge_with.
2932 * cfghooks.c: Include cfgloop.h.
2933 (verify_flow_info): Verify that loop_father is filled iff current_loops
2935 (redirect_edge_and_branch_force, split_block, delete_basic_block,
2936 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
2938 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
2940 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
2941 loop_split_edge_with.
2942 (sms_schedule): Use current_loops.
2943 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
2944 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
2946 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
2947 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
2948 * ifcvt.c (if_convert): Ditto.
2949 * predict.c (predict_loops): Do not clear current_loops.
2950 (tree_estimate_probability): Use current_loops.
2951 (propagate_freq): Receive head of the region to propagate instead of
2953 (estimate_loops_at_level): Do not use shared to_visit bitmap.
2954 (estimate_loops): New function. Handle case current_loops == NULL.
2955 (estimate_bb_frequencies): Do not allocate tovisit. Use
2957 * tree-ssa-loop.c (current_loops): Removed.
2958 (tree_loop_optimizer_init): Do not return loops.
2959 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
2960 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
2961 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
2962 Do not update loops explicitly.
2963 * function.h (struct function): Add x_current_loops field.
2964 (current_loops): New macro.
2965 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
2966 * loop-unroll.c (split_edge_and_insert): New function.
2967 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
2968 use loop_split_edge_with.
2969 * loop-doloop.c (add_test, doloop_modify): Ditto.
2970 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
2971 * cfglayout.c (copy_bbs): Do not update loops explicitly.
2972 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
2973 * tree-vect-transform.c (vect_transform_loop): Do not update loops
2975 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
2976 (flow_loops_free): Do not free dfs_order and rc_order.
2977 (flow_loops_find): Do not set dfs_order and rc_order in loops
2978 structure. Do not call loops and flow info verification.
2979 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
2980 already belongs to some loop.
2981 * cfgloop.h (struct loops): Remove struct cfg.
2982 (current_loops, loop_split_edge_with): Declaration removed.
2983 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
2984 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
2985 Declaration removed.
2986 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
2987 * basic-block.h (split_edge_and_insert): Declare.
2988 * tree-cfg.c (remove_bb): Do not update loops explicitly.
2990 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2992 PR tree-optimization/29801
2993 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
2994 (get_default_value): Use get_symbol_constant_value.
2995 (set_lattice_value): ICE when the value of the constant is
2997 (visit_assignment): Ignore VDEFs of read-only variables.
2999 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3001 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
3003 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3004 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
3006 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3008 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
3009 select subvars of var.
3011 2006-11-17 Jakub Jelinek <jakub@redhat.com>
3014 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
3015 optimize if DEF doesn't have integral type.
3017 2006-11-16 Mike Stump <mrs@apple.com>
3019 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
3020 pre-darwin9 system, unless the user asks for it directly.
3021 (PREFERRED_DEBUGGING_TYPE): Likewise.
3022 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
3023 * config.gcc: Add suppport for darwin9.h.
3024 * config/darwin9.h: Add.
3025 * doc/install.texi (Specific): Clarify darwin documentation.
3027 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
3029 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
3030 optimizing for size.
3032 2006-11-16 Mike Stump <mrs@apple.com>
3034 * Makefile.in (targhooks.o): Add $(OPTABS_H).
3036 2006-11-16 Dirk Mueller <dmueller@suse.de>
3038 * tree-vrp.c (get_value_range): Use XCNEW instead
3040 (insert_range_assertions): Use XCNEWVEC instead
3041 of XNEWVEC and memset.
3042 (vrp_initialize): Same.
3043 (vrp_finalize): Same.
3044 * tree-ssa-ccp.c (ccp_initialize): Same.
3045 * predict.c (tree_bb_level_predictions): Same.
3046 * calls.c (expand_call): Same.
3047 * tree-ssa-copy.c (init_copy_prop): Same.
3048 (fini_copy_prop): Same.
3049 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
3050 of GGC_NEW and memset.
3052 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
3055 * gimplify.c (gimplify_expr): Only force a load for references to
3056 non-BLKmode volatile values.
3057 * doc/implement-c.texi (Qualifiers implementation): Document the
3058 interpretation of what a volatile access is.
3059 * doc/extend.texi (C++ Extensions): Rework same documentation.
3061 2006-11-16 Joseph Myers <joseph@codesourcery.com>
3063 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
3066 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
3068 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
3070 (arm_neg_abssi2): Renamed from neg_abssi2.
3071 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
3073 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
3075 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
3076 number of arguments passed to local functions in SSE registers is 3.
3078 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
3079 number of arguments passed in SSE registers to 3.
3081 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3084 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
3086 (get_last_bb_insn): ... new global function.
3087 (basic_block.h): Declare it.
3088 * haifa-sched.c (create_recovery_block): Use it.
3090 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
3093 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
3095 2006-11-15 Paul Brook <paul@codesourcery.com>
3097 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
3098 _Unwind_GetTextRelBase): Move from here ...
3099 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
3100 _Unwind_GetTextRelBase): ... To here.
3102 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3104 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
3105 addresses we generate for testing are aligned.
3107 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
3110 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
3111 to what is the const decl is a place holder for.
3113 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
3115 * config/i386/i386.opt: New target option -mx87regparm.
3117 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
3118 and float_in_x87 variables. mmx_words, sse_words: Remove.
3119 (X87_REGPARM_MAX): Define.
3121 * config/i386/i386.c (override_options): Error out for
3122 -mx87regparm but no 80387 support.
3123 (ix86_attribute_table): Add x87regparm.
3124 (ix86_handle_cconv_attribute): Update comments for x87regparm.
3125 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
3126 (ix86_function_x87regparm): New function.
3127 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
3129 (init_cumulative_args): Initialize x87_nregs and float_in_x87
3131 (function_arg_advance): Process x87_nregs and x87_regno when
3132 floating point argument is to be passed in 80387 register.
3133 (function_arg): Pass XFmode arguments in 80387 registers for local
3134 functions. Pass SFmode and DFmode arguments to local functions
3135 in 80387 registers when flag_unsafe_math_optimizations is set.
3137 * reg-stack.c (convert_regs_entry): Disable NaN load for
3138 stack registers that are used for argument passing.
3140 * doc/extend.texi: Document x87regparm function attribute.
3141 * doc/invoke.texi: Document -mx87regparm.
3143 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3145 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
3146 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
3147 arg MODE; all callers changed. Use it to determine validity per
3148 machine mode instead of using Pmode for all memory references.
3149 (get_address_cost): Likewise add and use new arg MEM_MODE.
3151 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
3152 J"orn Rennecke <joern.rennecke@st.com>
3154 * combine.c (likely_spilled_retval_1): Fix masking operation.
3155 (likely_spilled_retval_p): Use proper pattern for call to
3156 likely_spilled_retval_1.
3158 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3160 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
3162 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
3163 that tests for CONSTANT_POOL_ADDRESS_P.
3165 2006-11-15 Jakub Jelinek <jakub@redhat.com>
3167 PR tree-optimization/29581
3168 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
3169 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
3170 type is different between Y and USE, create a temporary
3171 variable, initialize it at the beginning of the body bb
3172 and use it as replacement instead of Y.
3174 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
3177 * gimplify.c (fold_indirect_ref_rhs): Use
3178 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
3180 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
3182 * expmed.c (emit_store_flag_1): New function.
3183 (emit_store_flag): Call it. If we can't find a suitable scc insn,
3185 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
3186 Use do_compare_rtx_and_jump.
3187 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
3188 * arm.md (cstoresi4): New define_expand.
3189 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
3190 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
3191 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
3193 2006-11-14 Caroline Tice <ctice@apple.com>
3195 * dwarf2out.c (debug_pubtypes_section): New static global variable.
3196 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
3198 (pubname_table): Redefine as a vector.
3199 (pubtype_table): New static global variable, defined as a vector.
3200 (pubname_table_allocated): Remove static global variable.
3201 (pubname_table_in_use): Remove static global variable.
3202 (PUBNAME_TABLE_INCREMENT): Remove constant.
3203 (size_of_pubnames): Add parameter to deal with either pubnames or
3204 pubtypes, and change code to deal with table being a vector.
3205 (add_pubname): Change to deal with table being a vector.
3206 (add_pubtype): New function.
3207 (output_pubnames): Add parameter to deal with either pubnames or
3208 pubtypes, and change code to deal with table being a vector.
3209 (gen_array_type_die): Add call to add_pubtype.
3210 (gen_enumeration_type_die): Add call to add_pubtype.
3211 (gen_struct_or_union_type_die): Add call to add_pubtype.
3212 (gen_subroutine_type_die): Add call to add_pubtype.
3213 (gen_typedef_die): Add call to add_pubtype.
3214 (dwarf2out_init): Add code to initialize pubname_table and
3215 pubtype_table vectors; also initialize debug_pubtypes_section.
3216 (prune_unused_types): Change to deal with pubnames being a vector.
3217 (dwarf2out_finish): Change to deal with pubnames being a vector; add
3218 pubnames table to call to output_pubnames; Add code to output pubtypes
3219 table if DEBUG_PUBTYPES_SECTION is defined.
3220 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
3222 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
3224 2006-11-14 Joseph Myers <joseph@codesourcery.com>
3226 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
3227 iwmmxt_nregs if TARGET_IWMMXT_ABI.
3228 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
3229 movv2si_internal): Support moves between core registers.
3231 2006-11-14 Eric Christopher <echristo@apple.com>
3233 * configure: Regenerate with autoconf 2.59.
3235 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
3237 Fix PR tree-optimization/27755
3239 * tree-ssa-pre.c: Update comments.
3240 (bb_bitmap_sets): Add pa_in and deferred member.
3241 (BB_DEFERRED): New macro.
3242 (maximal_set): New variable.
3243 (pre_stats): Add pa_insert member.
3244 (bitmap_set_and): Short circuit orig == dest.
3245 (bitmap_set_subtract_values): New function.
3246 (bitmap_set_contains_expr): Ditto.
3247 (translate_vuses_through_block): Add phiblock argument.
3248 (dependent_clean): New function.
3249 (compute_antic_aux): Update for maximal_set changes.
3250 (compute_partial_antic_aux): New function.
3251 (compute_antic): Handle partial anticipation.
3252 (do_partial_partial_insertion): New function.
3253 (insert_aux): Handle partial anticipation.
3254 (add_to_sets): Add to maximal set.
3255 (compute_avail): Ditto.
3256 (init_pre): Initialize maximal_set.
3257 (execute_pre): Do partial anticipation if -O3+.
3259 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
3261 PR rtl-optimization/29798
3263 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
3264 TARGET_INSN before any other check.
3265 (fwprop_init): Always calculate dominators.
3266 (fwprop_done): Always free them.
3268 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3270 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
3273 2006-11-13 DJ Delorie <dj@redhat.com>
3275 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
3276 temporary for intermediates.
3278 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
3280 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
3281 (sh_optimize_target_register_callee_saved): #if 0 the code
3282 using NOTE_INSN_LOOP_{BEG,END}.
3284 2006-11-13 Roger Sayle <roger@eyesopen.com>
3286 * fold-const.c (optimize_bit_field_compare): Recursively call
3287 fold when simplifying non-constant comparisons between bit-fields.
3289 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3291 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
3293 * configure: Rebuilt.
3295 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
3297 * config/rs6000/cell.md: New file.
3298 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
3300 (ppccell_cost): New cost matrix.
3301 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
3302 (rs6000_override_options): Set rs6000_always_hint to false
3303 for cell. Also align functions/lables/loops to 8byte
3304 for the Cell. Use PROCESSOR_CELL.
3305 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
3306 using_mtcr_multiple.
3307 (rs6000_variable_issue): If the insn is a nonpipelined instruction
3308 on the Cell, return 0.
3309 (rs6000_adjust_cost): Add Cell cost adjustments.
3310 (is_microcoded_insn): Return true for Cell microcoded
3312 (is_nonpipeline_insn): New function.
3313 (rs6000_issue_rate): Add PROCESSOR_CELL.
3314 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
3316 (rs6000_use_sched_lookahead_guard): New function.
3317 (rs6000_sched_reorder): Reorder the ready list, if the second
3318 to last ready insn is a nonepipeline insn on the Cell.
3319 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
3320 (ASM_CPU_SPEC): Add Cell.
3321 * config/rs6000/rs6000.md (cpu): Add Cell.
3322 (cell_micro): New Attr.
3325 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3327 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
3329 * configure: Rebuilt.
3331 2006-11-13 Richard Guenther <rguenther@suse.de>
3333 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
3335 (ix86_expand_lfloorceil): Likewise.
3336 (ix86_expand_rint): Likewise.
3337 (ix86_expand_floorceildf_32): Likewise.
3338 (ix86_expand_floorceil): Likewise.
3339 (ix86_expand_rounddf_32): Likewise.
3340 (ix86_expand_truncdf_32): Likewise.
3341 (ix86_expand_round): Likewise.
3343 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
3344 Mark Mitchell <mark@codesourcery.com>
3346 * gcc.c: Organize search path variables into $prefix relative,
3347 and well-known native. Add comments.
3348 (add_sysrooted_prefix): Add comment.
3349 (process_command): If !gcc_exec_prefix add $prefix based paths.
3350 If *cross_compile == '0', add native well-known paths.
3351 Assert tooldir_base_prefix is always relative.
3352 (main): If print_search_dirs, and if gcc_exec_prefix is set,
3353 use this value for 'install:' path.
3354 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
3356 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3358 * config/i386/i386.c: Fix a typo in comment.
3360 2006-11-13 Michael Matz <matz@suse.de>
3362 * genemit.c (gen_expand): Allocate enough memory.
3364 2006-11-13 Joseph Myers <joseph@codesourcery.com>
3366 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
3367 __GXX_TYPEINFO_EQUALITY_INLINE but not
3368 __GXX_MERGED_TYPEINFO_NAMES.
3369 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
3370 __GXX_MERGED_TYPEINFO_NAMES.
3371 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
3372 __GXX_TYPEINFO_EQUALITY_INLINE.
3374 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3375 Zdenek Dvorak <dvorakz@suse.cz>
3377 PR tree-optimization/29680
3378 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
3381 2006-11-12 Jason Merrill <jason@redhat.com>
3382 Andrew Pinski <pinskia@physics.uc.edu>
3385 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
3387 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
3389 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
3390 * tree.c (build_vector): Handle non-_CST elements.
3392 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3394 * genemit.c (gen_insn): Call gen_exp with a non-null used
3395 when handling multiple insns.
3396 (gen_expand): Likewise.
3397 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3398 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
3399 (movsi_const_16bit+1): Copy operands[1].
3400 (call_pcrel): Copy the call_site pattern.
3401 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
3403 2006-11-12 Roger Sayle <roger@eyesopen.com>
3405 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
3406 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
3407 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
3408 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
3410 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
3412 Fix PR tree-optimization/29587
3413 * tree-ssa-structalias.c (process_constraint): Don't
3414 mark address taken due only to escaped vars constraint.
3416 2006-11-12 Michael Matz <matz@suse.de>
3417 Roger Sayle <roger@eyesopen.com>
3419 PR rtl-optimization/29797
3420 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
3421 BITS_BIG_ENDIAN targets.
3423 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3425 * builtins.c (fold_builtin_cosh): New.
3426 (fold_builtin_1): Use it.
3427 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
3428 trunc to the list of "odd" functions. Also add llrint, lrint,
3429 rint and nearbyint when flag_rounding_math is false.
3431 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3433 * tree-flow.h (name_mappings_registered_p): Declare.
3434 * tree-into-ssa.c (name_mappings_registered_p): New function.
3435 * tree-cfg.c (tree_can_merge_blocks_p): Check
3436 name_mappings_registered_p instead of need_ssa_update_p.
3438 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3440 * tree-ssa-loop.c (tree_vectorize): Return the result of
3442 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
3443 if anything changed.
3444 * tree-vectorizer.h (vectorize_loops): Declaration removed.
3445 * tree-flow.h (vectorize_loops): Declaration changed.
3447 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3449 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
3451 (issue_prefetch_ref): Move assignment to write_p out of loop.
3452 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
3453 SIMULTANEOUS_PREFETCHES into account.
3454 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
3455 * lambda-code.c (lcm): Renamed to ...
3456 (least_common_multiple): ... and exported.
3457 * tree-flow.h (least_common_multiple): Declare.
3459 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3461 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
3462 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
3463 ud-chains. Handle AND_EXPR.
3464 (record_estimate): Record whether the estimate is realistic
3465 and whether it is derived from a loop exit.
3466 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
3467 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
3469 (compute_estimated_nb_iterations): Take only realistic bounds into
3470 account. Set estimate_state. Use double_ints.
3471 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
3472 and infer_loop_bounds_from_signedness. Do not consider basic blocks
3473 that do not have to be always executed.
3474 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
3475 to determine whether to call infer_loop_bounds_from_undefined
3476 and compute_estimated_nb_iterations.
3477 (n_of_executions_at_most): Use double_ints.
3478 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
3479 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
3480 * double-int.c (double_int_to_tree): Improve comment.
3481 (double_int_fits_to_tree_p): New function.
3482 * double-int.h (double_int_fits_to_tree_p): Declare.
3483 * tree-data-ref.c: Include langhooks.h.
3484 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
3485 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
3486 (analyze_array): Do not pass estimate_only argument to
3487 analyze_array_indexes.
3488 (get_number_of_iters_for_loop): Build tree from the stored double_int
3490 (get_references_in_stmt, find_data_references_in_stmt): New functions.
3491 (find_data_references_in_loop): Use find_data_references_in_stmt.
3492 * tree-data-ref.h (struct data_ref_loc_d): New.
3493 (get_references_in_stmt): Declare.
3494 (estimate_iters_using_array): Declaration removed.
3495 * cfgloop.h (struct nb_iter_bound): Change type of bound to
3496 double_int. Improve comments. Add is_exit and realistic
3498 (struct loop): Changed type of estimated_nb_iterations to double_int.
3499 Added estimate_state field.
3500 (record_estimate): Declaration removed.
3502 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3504 * params.c (set_param_value): Initialize the "set" field.
3505 * params.h (struct param_info): Add "set" field.
3506 (PARAM_SET_P): New macro.
3507 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
3508 L1_CACHE_LINE_SIZE): New macros.
3509 * toplev.c (DEFPARAM): Initialize the "set" field.
3510 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
3511 SIMULTANEOUS_PREFETCHES): Removed.
3512 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
3513 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
3514 * config/sparc/sparc.c: Include params.h.
3515 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
3516 L1_CACHE_LINE_SIZE parameters.
3517 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3519 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3521 * config/i386/i386.c: Include params.h.
3522 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
3523 (override_options): Set SIMULTANEOUS_PREFETCHES and
3524 L1_CACHE_LINE_SIZE parameters.
3525 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
3526 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
3527 L1_CACHE_LINE_SIZE parameters.
3528 * config/ia64/ia64.c (ia64_optimization_options): Set
3529 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
3530 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
3532 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
3533 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
3534 * doc/invoke.texi: Document new params.
3536 2006-11-12 Roger Sayle <roger@eyesopen.com>
3538 PR tree-optimization/13827
3539 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
3542 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3544 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
3545 update_single_exit_for_duplicated_loops): New functions.
3546 (duplicate_loop_to_header_edge): Use
3547 update_single_exit_for_duplicated_loops.
3548 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
3549 functions only with ENABLE_CHECKING.
3551 2006-11-12 Andreas Schwab <schwab@suse.de>
3553 * except.c (sjlj_emit_function_enter): Remove unused variable.
3555 2006-11-11 Roger Sayle <roger@eyesopen.com>
3557 * fold-const.c (int_binop_types_match_p): New function.
3558 (size_binop): Relax constraint that both arguments must both have
3559 exactly the same sizetype type. Instead use int_binop_types_match_p.
3560 (size_diffop): Likewise.
3562 (make_range): Use build_int_cst instead of fold_convert.
3563 (fold_cond_expr_with_comparison): Use build_int_cst to construct
3564 integer constants of the correct type.
3565 (fold_div_compare): Likewise.
3566 (fold_single_bit_test): Likewise.
3567 (fold_binary): Likewise.
3568 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
3569 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
3571 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
3574 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
3575 non null value if the struct memory access is in the 0th
3578 2006-11-12 Jie Zhang <jie.zhang@analog.com>
3581 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3582 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3585 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
3586 instead of builtin_define for bfin and BFIN.
3588 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3590 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3593 2006-11-11 Jan Hubicka <jh@suse.cz>
3595 * extend.texi (__builtin_expect): We no longer require second argument
3597 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
3598 * builtins.c (expand_builtin_expect): Simplify.
3599 (expand_builtin_expect_jump): Kill.
3600 * final.c (final_scan_insn): Do not skip the removed notes.
3601 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
3602 EXPECTED_VALUE): Remove.
3603 * dojump.c (do_jump): Do not care about __builtin_expect.
3604 * predict.c (expected_value_to_br_prob): Kill.
3605 * function.c (expand_function_end): Do not expand
3606 NOTE_INSN_REPEATED_LINE_NUMBER.
3607 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
3608 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
3609 * cfgexpand.c (add_reg_br_prob_note): Export.
3610 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3611 expected_value_to_br_prob.
3612 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
3613 * rtl.h (add_reg_br_prob_note): Declare.
3615 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3617 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
3619 2006-11-11 Jan Hubicka <jh@suse.cz>
3621 * predict.c (predict_loops): Kill RTL variant.
3623 2006-11-11 Jan Hubicka <jh@suse.cz>
3625 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
3626 * modulo-sched.c (find_line_note): Remove.
3627 (loop_canon_p): Do not worry about line number notes.
3628 (sms_schedule): Likewise.
3629 * cse.c (cse_main): Likewise.
3630 * regmove.c (fixup_match_1): Likewise
3631 * function.c (emit_return_info_block): Likewise.
3632 (expand_function_end): Likewise.
3633 (thread_prologue_an_epilogue_insns): Likewise.
3634 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
3636 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
3637 emit_note_copy_after): Kill.
3638 (emit_note_copy): Do not worry about line numbers.
3639 * jump.c (purge_line_number_notes): Kill.
3640 (pass_purge_lineno_notes): Kill.
3641 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
3643 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
3644 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
3645 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
3646 * tree-pass.h (pass_purge_lineno_notes): Kill.
3647 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
3648 rm_redundant_line_notes.
3649 * sched-rgb.c (schedule_region): Don't rm_line_notes,
3650 rm_redundant_line_notes.
3651 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
3652 * haifa-sched.c: Update comment about handling notes.
3653 (unlink_line_notes): Kill.
3654 (rm_line_notes): Kill.
3655 (save_line_notes): Simplify.
3656 (rm_redundant_line_notes): Kill.
3658 2006-11-11 Richard Guenther <rguenther@suse.de>
3660 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
3661 Remove unused tree codes.
3662 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
3663 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
3664 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3665 * tree.c (stabilize_reference): Likewise.
3666 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
3667 fold_unary): Likewise.
3668 * tree-gimple.c (is_gimple_cast): Likewise.
3669 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
3670 * expr.c (expand_expr_real_1): Likewise.
3671 * tree-eh.c (tree_could_trap_p): Likewise.
3672 * gimplify.c (gimplify_expr): Likewise.
3673 * tree-inline.c (estimate_num_insns_1): Likewise.
3674 * tree-cfg.c (verify_expr): Likewise.
3676 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
3678 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
3679 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
3680 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
3682 2006-11-11 Richard Sandiford <richard@codesourcery.com>
3685 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
3686 constraints accept neither registers or memories.
3688 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3690 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
3691 (NO_PROFILE_COUNTERS): Define as 1.
3693 2006-11-10 Roger Sayle <roger@eyesopen.com>
3695 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
3696 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
3698 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
3700 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
3702 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3704 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
3705 (fold_builtin_hypot): Likewise.
3706 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
3708 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
3710 2006-11-10 Roger Sayle <roger@eyesopen.com>
3712 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
3713 when attempting to build INTEGER_CSTs of non-integral types.
3714 * expmed.c (make_tree): Use the correct type, i.e. the inner
3715 type, when constructing the individual elements of a CONST_VECTOR.
3717 2006-11-10 Jan Hubicka <jh@suse.cz>
3719 * cse.c (cse_process_notes): Copy the propagated value.
3720 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
3722 * gcse.c (try_replace_reg): Copy the replacement.
3723 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
3724 (assign_386_stack_local): Always return copied memory expression
3725 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
3728 2006-11-10 Jan Hubicka <jh@suse.cz>
3730 * final.c (final): Walk from first instruction.
3731 * cfglayout.c (insn_locators_initialize): Remove line number notes.
3733 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
3736 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
3738 (umulv8hi3_highpart): Ditto.
3739 (vec_widen_smult_hi_v8hi): New expander.
3740 (vec_widen_smult_lo_v8hi): Ditto.
3742 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3745 * builtins.c (do_mpfr_arg3): New.
3746 (fold_builtin_1): Handle builtins fma, fmin and fmax.
3748 2006-11-09 Eric Christopher <echristo@apple.com>
3753 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
3754 * config.gcc (powerpc64-*-darwin*): New target.
3755 * config.host: Ditto.
3756 * config/rs6000/darwin64.h: New file.
3757 * config/rs6000/x-darwin64: Ditto.
3758 * config/rs6000/host-ppc64-darwin.c: Ditto.
3760 2006-11-09 Steve Ellcey <sje@cup.hp.com>
3762 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
3763 routines for integer division.
3765 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
3767 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
3769 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3772 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
3774 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3776 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
3777 simplify_subreg with BLKmode outer mode.
3779 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
3781 * doc/invoke.texi: Minor formatting fixes in option lists.
3783 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
3785 PR tree-optimization/29738
3786 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
3787 (ccp_lattice_t): Remove UNKNOWN_VAL.
3788 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
3789 Do not handle UNKNOWN_VAL.
3790 (get_default_value): Set initial value of virtual operands to
3792 (get_value): Always use get_default_value on uninitialized
3794 (set_value_varying, surely_varying_stmt_p): New functions.
3795 (set_lattice_value): Do not pass argument to get_value.
3796 Do not handle UNKNOWN_VAL.
3797 (likely_value): Follow the semantics described in the comment.
3798 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
3799 phi nodes DONT_SIMULATE_AGAIN.
3800 (ccp_fold): Do not pass argument to get_value.
3801 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
3804 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
3806 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
3807 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
3809 2006-11-08 Roger Sayle <roger@eyesopen.com>
3811 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
3812 test for inclusion rather than as a test for exclusion.
3813 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
3814 the condition after calling fold_binary.
3815 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
3816 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
3817 * builtins.c (fold_builtin_isascii): Likewise.
3818 (fold_builtin_isdigit): Likewise.
3820 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
3822 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
3823 * configure: Regenerate.
3825 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3827 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
3828 enum argument instead of bool.
3829 (vect_analyze_operations): Call vectorizable_type_promotion.
3830 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
3831 stmt_vec_info_type value.
3832 (supportable_widening_operation, vectorizable_type_promotion): New
3833 function declarations.
3834 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
3835 (vectorizable_type_promotion): New function.
3836 (vect_transform_stmt): Call vectorizable_type_promotion.
3837 * tree-vect-analyze.c (supportable_widening_operation): New function.
3838 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
3840 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3843 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
3844 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
3845 * tree-inline.c (estimate_num_insns_1): Add cases for above new
3847 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3848 * expr.c (expand_expr_real_1): Likewise.
3849 * optabs.c (optab_for_tree_code): Likewise.
3850 (init_optabs): Initialize new optabs.
3851 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
3852 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
3853 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
3854 vec_unpacku_lo_optab): Initialize new optabs.
3855 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
3856 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
3857 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
3859 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
3860 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
3861 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
3862 (vec_unpacku_lo_optab): New optabs.
3863 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
3864 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
3865 (vec_widen_smult_hi, vec_widen_smult_lo): New.
3866 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
3867 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
3868 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
3870 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
3871 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
3872 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
3873 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
3874 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
3875 implement the unsigned unpacking patterns.
3876 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
3877 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
3878 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
3879 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
3880 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
3881 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
3882 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
3883 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
3884 multiplication patterns.
3886 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
3887 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
3888 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
3889 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
3890 (rs6000_builtin_mul_widen_odd): New.
3891 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
3892 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
3893 * tree-vectorizer.h (enum vect_relevant): New enum type.
3894 (_stmt_vec_info): Field relevant chaned from bool to enum
3896 (STMT_VINFO_RELEVANT_P): Updated.
3897 (STMT_VINFO_RELEVANT): New.
3898 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
3899 instead of STMT_VINFO_RELEVANT_P.
3900 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
3901 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
3902 and boolean variable with enum vect_relevant.
3903 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
3904 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
3905 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
3907 2006-11-08 Richard Henderson <rth@redhat.com>
3909 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
3910 vec_widen_umult_lo_v8hi): New.
3911 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
3912 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
3914 * config/i386/i386.c (ix86_expand_sse_unpack): New.
3915 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
3916 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
3917 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
3918 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
3919 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
3920 vec_unpacks_lo_v4si): New.
3922 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3924 * tree-vect-transform.c (vectorizable_type_demotion): New function.
3925 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
3926 (vect_analyze_operations): Call vectorizable_type_demotion.
3927 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
3928 stmt_vec_info_type value.
3929 (vectorizable_type_demotion): New function declaration.
3930 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3933 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
3934 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
3936 * tree-iniline.c (estimate_num_insns_1): Likewise.
3937 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3938 * optabs.c (optab_for_tree_code): Likewise.
3940 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
3941 compared against the predicate of the result is not 'mode' (the input
3942 to the function) but a mode with half the size of 'mode'.
3943 (init_optab): Initialize new optabs.
3944 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
3946 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
3948 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
3949 (vec_pack_usat_optab): Initialize new optabs.
3950 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
3951 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
3953 2006-11-08 Richard Henderson <rth@redehat.com>
3955 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
3956 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
3957 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
3958 (vec_interleave_highv4si, vec_interleave_lowv4si):
3959 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
3961 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3963 * tree-vect-transform.c (vectorizable_reduction): Support multiple
3965 (vect_transform_stmt): Removed redundant code.
3967 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3969 * tree-vect-transform.c (vectorizable_operation): Support multiple
3972 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3974 * tree-vect-transform.c (vect_align_data_ref): Removed.
3975 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
3976 Updated function documentation. Return the increment stmt in ptr_incr.
3977 (bump_vector_ptr): New function.
3978 (vect_get_vec_def_for_stmt_copy): New function.
3979 (vect_finish_stmt_generation): Create a stmt_info to newly created
3981 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
3983 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
3984 VF is greater than the number of elements that can fit in one vector
3986 (vectorizable_operation, vectorizable_condition): Likewise.
3987 (vectorizable_store, vectorizable_load): Support the case that the VF
3988 is greater than the number of elements that can fit in one vector word.
3989 (vect_transform_loop): Don't fail in case of multiple data-types.
3990 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
3991 in case of multiple data-types; the smallest type determines the VF.
3992 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
3993 if they are of different sizes.
3994 (vect_update_misalignment_for_peel): Compare misalignments in terms of
3995 number of elements rather than number of bytes.
3996 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
3997 (vect_can_advance_ivs_p): Fix a dump printout
3999 2006-11-07 Eric Christopher <echristo@apple.com>
4001 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
4002 (__bswapsi2): Ditto.
4003 * libgcc2.h: Remove transformation of bswap routines.
4004 * config/i386/i386.md (bswapsi2): New.
4007 2006-11-07 Jakub Jelinek <jakub@redhat.com>
4009 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
4010 (handle_gnu_inline_attribute): New function.
4011 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
4012 (merge_decls, start_decl, start_function): Likewise.
4013 * doc/extend.texi: Document gnu_inline attribute.
4015 2006-11-07 Steve Ellcey <sje@cup.hp.com>
4018 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
4019 _fixunstfdi, and _floatditf
4021 2006-11-06 Anatoly Sokolov <aesok@post.ru>
4023 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
4025 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
4026 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
4027 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
4028 which start in an odd register.
4030 2006-11-07 Richard Sandiford <richard@codesourcery.com>
4032 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
4034 2006-11-07 Josh Conner <jconner@apple.com>
4036 * doc/invoke.texi (fstrict-aliasing): Move implementation
4038 * doc/tree-ssa.texi (Alias analysis): ...here.
4040 2006-11-07 Richard Guenther <rguenther@suse.de>
4042 PR tree-optimization/29610
4043 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
4044 of tree_purge_dead_eh_edges as it may free dominators.
4046 * g++.dg/other/pr29610.C: New testcase.
4048 2006-11-07 David Ung <davidu@mips.com>
4050 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
4051 costs when optimizing for size.
4052 (override_options): Use mips_rtx_cost_optimize_size table for cost
4055 2006-11-07 Jie Zhang <jie.zhang@analog.com>
4057 * gcc.c (process_command): Treat -b as normal switch if its argument
4060 2006-11-07 David Ung <davidu@mips.com>
4062 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
4065 2006-11-06 Eric Christopher <echristo@apple.com>
4067 * config.gcc: Add x86_64-darwin host support.
4068 * config.host: Ditto.
4069 * config/i386/darwin64.h: New file.
4070 * config/i386/t-darwin64: Ditto.
4072 2006-11-06 Janis Johnson <janis187@us.ibm.com>
4074 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
4075 and output-exists-not.
4077 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
4080 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
4081 checking for overflow.
4083 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
4085 * configure.ac: Fixed typo in case statement: :: changed to ;;
4087 2006-11-06 Bob Wilson <bob.wilson@acm.org>
4089 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
4090 count_leading_zeros, and count_trailing_zeros.
4091 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
4092 (TARGET_FOLD_BUILTIN): Define.
4093 (TARGET_EXPAND_BUILTIN): Define.
4094 (xtensa_init_builtins): New.
4095 (xtensa_fold_builtin): New.
4096 (xtensa_expand_builtin): New.
4097 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
4098 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
4099 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
4100 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
4101 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
4102 (any_extend): New code macro.
4103 (u, su): New code attributes.
4104 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
4105 (nsau): Remove; replaced by clzsi2.
4106 (ffssi2): Use clzsi2.
4107 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
4108 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
4109 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
4110 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
4111 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
4113 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
4115 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
4117 * config/arm/t-strongarm-elf: Likewise.
4118 * config/arm/t-pe: Likewise.
4119 * config/arm/t-arm-elf: Likewise.
4120 * config/arm/t-xscale-elf: Likewise.
4121 * config/arm/t-arm-coff: Likewise.
4122 * config/arm/t-xscale-coff: Likewise.
4123 * config/arm/t-wince-pe: Likewise.
4125 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
4127 * config/sh/lib1funcs-4-300.asm: Guard entire file with
4130 2006-11-05 Jakub Jelinek <jakub@redhat.com>
4133 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
4136 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
4139 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
4140 as a valid 80387 constant.
4141 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
4142 * config/i386/i386.md (unnamed splitter): Split the load of
4143 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
4146 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
4148 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
4149 from the soft-frame, argument and virtual registers.
4151 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
4153 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
4154 patterns for standard 80387 constants.
4156 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
4157 Steven Bosscher <steven@gcc.gnu.org>
4159 * fwprop.c: New file.
4160 * Makefile.in: Add fwprop.o.
4161 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
4162 * passes.c (init_optimization_passes): Schedule forward propagation.
4163 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
4165 * timevar.def (TV_FWPROP): New.
4166 * common.opt (-fforward-propagate): New.
4167 * opts.c (decode_options): Enable forward propagation at -O2.
4168 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
4169 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
4170 canon_for_address, table_size): Remove.
4171 (new_basic_block, insert, remove_from_table): Remove references to
4173 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
4174 simplification loop more straightforward by not calling fold_rtx
4176 (equiv_constant): Move here a small part of fold_rtx_subreg,
4177 do not call fold_rtx. Call avoid_constant_pool_reference
4179 * recog.h (canonicalize_change_group): New.
4181 * doc/invoke.texi (Optimization Options): Document fwprop.
4182 * doc/passes.texi (RTL passes): Document fwprop.
4184 2006-11-03 Geoffrey Keating <geoffk@apple.com>
4186 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
4187 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
4188 (grokdeclarator): Likewise.
4190 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
4192 * tree-dump.c (dump_enable_all): Rename local variable
4193 ir_type to avoid name conflicts.
4194 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
4195 instead of using ir_type().
4196 * profile.c (tree_register_profile_hooks): Likewise.
4197 * value-prof.c (tree_register_value_prof_hooks): Likewise.
4198 * basic-block.h (struct edge_def): Likewise.
4199 * config/arm/arm.c (legitimize_pic_address): Likewise.
4200 * coretypes.h (ir_type): New enum of all intermediate languages
4202 * cfghooks.c (ir_type): Rename to...
4203 (current_ir_type): ...this. Distinguish between cfgrtl and
4204 cfglayout mode when the current IR is RTL. Return enum ir_type.
4205 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
4207 2006-11-03 Paul Brook <paul@codesourcery.com>
4209 * config/arm/arm.c (arm_file_start): New function.
4210 (TARGET_ASM_FILE_START): Define.
4211 (arm_default_cpu): New variable.
4212 (arm_override_options): Set arm_default_cpu.
4214 2006-11-03 David Ung <davidu@mips.com>
4216 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
4217 PROCESSOR_24KC and PROCESSOR_24KF.
4218 * config/mips/mips.c (mips_cpu_info_table): Add processor names
4219 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
4220 (mips_rtx_cost_data): Add costs for the 24kc.
4221 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
4222 * config/mips/24k.md: Remove references to 24k and replace with
4223 uses of 24kc/24kf in the appropriate reservations.
4224 * doc/invoke.texi (MIPS Options): Updated.
4226 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
4228 * config/sh/crt1.asm: Fix #ifdef indent.
4230 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
4231 Merged from STMicroelectronics sources:
4232 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
4233 * config/sh/crt1.asm (vbr_600): Add missing #if.
4234 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
4235 * sh.opt (mfused-madd): New option.
4236 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
4237 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4238 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
4239 Remove pointless handler at VBR+0.
4240 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
4241 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
4242 fr7. Make sure the timer handler is called with the correct FPU
4243 precision setting, according to the ABI.
4244 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
4245 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
4246 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
4247 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
4248 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
4249 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
4250 zero as second operand.
4251 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
4252 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
4253 Fixed some bugs related to negative values, in particular -0
4254 and overflow at -0x80000000.
4255 * config/sh/divcost-analysis: Added sh4-300 figures.
4256 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
4257 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
4258 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
4259 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
4260 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
4261 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
4263 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
4265 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
4266 SH4-300 scheduling description & fixes to SH4-[12]00 description:
4267 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
4268 mac_mem, mem_mac, dfp_mul, fp_cmp.
4269 (insn_class, dfp_comp, any_fp_comp): Update.
4270 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
4271 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
4272 (muldf3_i): Likewise.
4273 (movsi_i): Split rI08 alternative into two separate alternatives.
4275 (movsi_ie, movsi_i_lowpart): Likewise.
4276 (movqi_i): Split ri alternative into two separate alternatives.
4278 * sh1.md (sh1_load_store, sh1_fp): Update.
4279 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
4280 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
4281 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
4282 (sh4a_fp_double_arith): Likewise.
4283 * sh4-300.md: New file.
4284 * sh.c (sh_handle_option): Handle m4-300* options.
4285 (sh_adjust_cost): Fix latency of auto-increments.
4286 Handle SH4-300 differently than other SH4s. Check for new insn types.
4287 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
4288 been set by an option.
4289 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
4290 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
4291 (mbranch-cost=): Likewise.
4292 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
4294 * sh.md (mulsf3): Remove special expansion code.
4295 (mulsf3_ie): Now a define_insn_and_split.
4296 (macsf3): Allow for TARGET_SH4.
4298 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
4299 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
4300 (expand_cbranchdi4): Likewise.
4301 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
4302 CONST_DOUBLE if the outer code is COMPARE.
4303 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
4304 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
4305 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
4306 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
4307 Remove redundant fp_{zero,one}_operand checks.
4308 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
4309 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
4310 (expand_cbranchdi4): Likewise.
4311 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
4312 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
4314 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
4316 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
4319 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
4321 * doc/invoke.texi: Fix mfp-trap-mode typo.
4323 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
4325 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
4326 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
4327 file_end_indicate_exec_stack.
4328 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
4330 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
4331 for a non-executable stack.
4332 * crti.asm: Likewise.
4333 * crtn.asm: Likewise.
4334 * libunwind.S: Likewise.
4336 2006-11-02 Ben Elliston <bje@au.ibm.com>
4338 * tree-ssa.c (warn_uninit): Use expand_location variables for
4339 locus and declaration locus.
4341 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
4344 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
4345 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
4346 cmp{eq,gt,gtu}{si,di}_media.
4347 (*cmpne0si_media): Remove.
4348 (*movsicc_umin): Adjust gen_cmp*_media call.
4349 (unordered): Change the mode of unordered and operands[1] to
4351 (seq): Adjust gen_cmp*_media calls. Make the mode of
4352 a temporary result of compare SImode if needed. If the mode
4353 of operands[0] is DImode, extend the temporary result to DImode.
4354 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
4355 (sunorderd): Change the mode of match_operand and unorderd to
4357 (cmpeq{sf,df}_media): Remove.
4358 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
4359 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
4360 and compare operation to SImode.
4362 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
4364 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
4366 (sparc64-sun-solaris2*): Likewise.
4368 2006-11-02 Paul Brook <paul@codesourcery.com>
4370 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
4371 from priority argument. Use different section for non-default
4373 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
4375 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
4378 * except.c (switch_to_exception_section): Do not cache the section
4379 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4380 and flag_function_sections is set.
4382 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4385 * builtins.c (do_mpfr_sincos): New.
4386 (fold_builtin_1): Use it to fold builtin sincos.
4388 2006-11-01 Roger Sayle <roger@eyesopen.com>
4390 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
4391 it into -D_REENTRANT.
4393 2006-11-01 Roger Sayle <roger@eyesopen.com>
4395 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
4396 whether the assembler supports taking the difference of symbols in
4397 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
4398 * configure: Regenerate.
4399 * config.in: Regenerate.
4400 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
4401 the assembler doesn't support taking the difference of symbols in
4402 different sections, i.e. we're using the native solaris assembler.
4404 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
4405 Peter Bergner <bergner@vnet.ibm.com>
4407 * doc/invoke.texi: Add cpu_type power6x
4408 (RS/6000 and PowerPC Options): Add -mmfpgpr.
4409 * config.gcc: Add cpu_type power6x.
4410 * configure.ac: Add test for mf{t,f}gpr instructions.
4411 (HAVE_AS_MFPGPR): New.
4412 * config.in: Regenerate.
4413 * configure: Regenerate.
4414 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
4415 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
4416 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
4417 and mftgpr attributes.
4418 (define_attr "cpu"): Add power6.
4419 Change instruction sequences to use new attributes.
4420 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
4421 (fix_truncdfsi2_mfpgpr): New.
4422 (floatsidf_ppc64_mfpgpr): New.
4423 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
4424 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
4425 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
4426 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
4427 (fix_truncdfsi2): Use gpc_reg_operand constraint.
4428 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
4429 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
4430 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
4431 cntlz,exts and var_delayed_compare.
4432 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4433 _ARCH_PWR6X, if features enabled.
4434 * config/rs6000/rs6000.opt (mmfpgpr): New.
4435 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
4436 (cached_can_issue_more): New variable.
4437 (processor_costs): Add power6_cost.
4438 (rs6000_sched_init): New function.
4439 (is_dispatch_slot_restricted): Deleted.
4440 (set_to_load_agen): New function.
4441 (is_load_insn,is_store_insn): New functions.
4442 (adjacent_mem_locations): New function.
4443 (insn_must_be_first_in_group): New function.
4444 (insn_must_be_last_in_group): New function.
4445 (rs6000_sched_reorder): New function.
4446 (rs6000_sched_reorder2): New function.
4447 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
4448 TARGET_SCHED_REORDER2): Define.
4449 (processor_target_table): Use PROCESSOR_POWER6 for power6.
4450 Add power6x. Add MASK_MFPGPR for power6x.
4451 (POWERPC_MASKS): Add MASK_MFPGPR.
4452 (rs6000_override_options): Set rs6000_always_hint to false
4453 for power6. Set rs6000_align_branch_targets. Replace
4454 rs6000_sched_groups check with rs6000_align_branch_targets.
4455 Use PROCESSOR_POWER6.
4456 (last_scheduled_insn): New variable.
4457 (load_store_pendulum): New variable.
4458 (rs6000_variable_issue): Set last_scheduled_insn and
4459 cached_can_issue_more.
4460 (rs6000_adjust_cost): Add power6 cost adjustments.
4461 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
4462 with insn_must_be_first_in_group. Add power6 priority adjustments.
4463 (rs6000_issue_rate): Add CPU_POWER6.
4464 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
4465 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
4466 (TARGET_MFPGPR): New.
4467 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
4468 (ASM_CPU_SPEC): Add power6x.
4469 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
4471 * config/rs6000/power6.md: New file.
4473 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
4475 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4476 HOST_WIDE_INT_PRINT to print high and low parts. Use
4477 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
4478 printing a hexadecimal number prefix it with 0x.
4480 2006-11-01 Chris Johns <chris@contemporary.net.au>
4483 * Makefile.in (install-driver): Use exeext when installing
4484 $target-gcc-$version.
4486 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
4488 * c-common.c (flag_cpp0x): New.
4489 * c-common.h (flag_cpp0x): New.
4490 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
4491 supported, define __GXX_EXPERIMENTAL_CPP0X__.
4492 * c-opts.c (set_std_cxx0x): New.
4493 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
4494 * c.opt (std=c++0x): Document.
4495 (std=gnu++0x): Ditto.
4496 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
4497 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
4499 2006-11-01 Richard Guenther <rguenther@suse.de>
4501 * config/i386/i386.c (ix86_expand_rint): Fix issues with
4503 (ix86_expand_floorceildf_32): Likewise.
4504 (ix86_expand_floorceil): Likewise.
4505 (ix86_expand_trunc): Likewise.
4507 2006-10-31 Andrew Pinski <pinskia@gmail.com>
4509 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
4512 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
4514 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
4516 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
4518 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
4520 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
4521 * configure.ac (use_cxa_atexit): As a special case, don't test
4522 for libc definition of __cxa_atexit on mingw32
4523 * configure: Regenerate.
4524 * config.gcc (i[34567]86-pc-mingw32): Default to
4525 enable__cxa_atexit=yes.
4527 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4529 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
4531 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4534 * c-decl.c (start_struct): Don't create self-containing
4536 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4538 * config/rs6000/rs6000-protos.h
4539 (darwin_rs6000_special_round_type_align): New.
4540 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
4541 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
4543 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4545 * toplev.c (compile_file): Call final_write_globals
4546 even if there have been errors.
4548 2006-10-31 Eric Christopher <echristo@apple.com>
4549 Falk Hueffner <falk@debian.org>
4551 * doc/extend.texi (__builtin_bswap32): Document.
4552 (__builtin_bswap64): Ditto.
4553 * doc/libgcc.texi (bswapsi2): Document.
4555 * doc/rtl.texi (bswap): Document.
4556 * optabs.c (expand_unop): Don't widen a bswap.
4557 (init_optabs): Init bswap. Set libfuncs explicitly
4558 for bswapsi2 and bswapdi2.
4559 * optabs.h (OTI_bswap): New.
4560 (bswap_optab): Ditto.
4561 * genopinit.c (optabs): Handle bswap_optab.
4562 * tree.h (tree_index): Add TI_UINT32_TYPE and
4564 (uint32_type_node): New.
4565 (uint64_type_node): Ditto.
4566 * tree.c (build_common_tree_nodes_2): Initialize
4567 uint32_type_node and uint64_type_node.
4568 * builtins.c (expand_builtin_bswap): New.
4569 (expand_builtin): Call.
4570 (fold_builtin_bswap): New.
4571 (fold_builtin_1): Call.
4572 * fold-const.c (tree_expr_nonnegative_p): Return true
4574 * builtin-types.def (BT_UINT32): New.
4576 (BT_FN_UINT32_UINT32): Ditto.
4577 (BT_FN_UINT64_UINT64): Ditto.
4578 * builtins.def (BUILT_IN_BSWAP32): New.
4579 (BUILT_IN_BSWAP64): Ditto.
4580 * rtl.def (BSWAP): New.
4581 * genattrtab.c (check_attr_value): New.
4582 * libgcc2.c (__bswapSI2): New.
4583 (__bswapDI2): Ditto.
4584 * libgcc2.h (__bswapSI2): Declare.
4585 (__bswapDI2): Ditto.
4586 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
4587 * simplify-rtx.c (simplify_const_unary_operation): Return
4589 * libgcc-std.ver (__bwapsi2): Add.
4590 (__bswapdi2): Ditto.
4591 * reload1.c (eliminate_regs_1): Add bswap.
4592 (elimination_effects): Ditto.
4593 * config/i386/i386.h (x86_bswap): New.
4594 (TARGET_BSWAP): Use.
4595 * config/i386/i386.c (x86_bswap): Set.
4597 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4599 * coverage.c (coverage_checksum_string): Update comment.
4600 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
4601 of get_file_function_name.
4602 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
4603 of get_file_function_name_long.
4604 * tree.c (get_file_function_name): Rename from
4605 get_file_function_name_long; improve comment; handle 'I' and 'D'
4606 specially when the target has ctor/dtor support; remove special
4608 (get_file_function_name): Remove.
4609 * tree.h (get_file_function_name): Rename from
4610 get_file_function_name_long.
4611 (get_file_function_name): Remove prototype.
4613 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4615 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
4616 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
4618 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
4619 Call dsymutil when compiling and linking one or more source files
4622 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4625 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
4627 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4629 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
4630 inline static functions in c99 mode.
4633 * doc/extend.texi (Inline): Update.
4634 * c-tree.h (struct language_function): Remove field 'extern_inline'.
4635 * c-decl.c (current_extern_inline): Delete.
4636 (pop_scope): Adjust test for an undefined nested function.
4637 Add warning about undeclared inline function.
4638 (diagnose_mismatched_decls): Update comments. Disallow overriding
4639 of inline functions in a translation unit in C99. Allow inline
4640 declarations in C99 at any time.
4641 (merge_decls): Boolize variables. Handle C99 'extern inline'
4643 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
4644 C99 inline semantics.
4645 (start_function): Don't clear current_extern_inline. Don't set
4647 (c_push_function_context): Don't push current_extern_inline.
4648 (c_pop_function_context): Don't restore current_extern_inline.
4651 * c-typeck.c (build_external_ref): Warn about static variables
4652 used in extern inline functions.
4653 * c-decl.c (start_decl): Warn about static variables declared
4654 in extern inline functions.
4656 2006-10-31 Roger Sayle <roger@eyesopen.com>
4659 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
4660 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
4661 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
4662 or y is an even integer.
4664 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
4667 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
4668 * gthr-posix95.h (__gthread_active_p): Likewise.
4670 2006-10-31 Richard Guenther <rguenther@suse.de>
4672 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
4673 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
4674 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
4675 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
4676 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
4677 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
4678 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
4679 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
4682 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
4684 * opts.c (decode_options): Disable CSE skip blocks.
4686 2006-10-30 Dirk Mueller <dmueller@suse.de>
4688 * c-common.h (strict_aliasing_warning): Fix whitespace.
4689 * c-decl (start_function): Move code for main decl warning ..
4690 * c-common.c (check_main_parameter_types): .. here.
4691 * c-common.h (check_main_parameter_types): Declare.
4693 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4696 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
4698 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
4700 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
4701 be a PARALLEL containing sets. Return false when out_pat is not
4704 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4706 * config/mips/mips.md (mul<mode>3): Split into...
4707 (mulsi3, muldi3): ...these separate patterns.
4709 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4711 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
4712 but with each set of options separated by spaces.
4714 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
4716 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
4717 dwarf_reg_size_table has been initialized.
4719 2006-10-30 Roger Sayle <roger@eyesopen.com>
4721 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
4722 * ddg.c (print_ddg_edge): Likewise.
4723 * dwarf2out.c (prune_unused_types_walk): Likewise.
4724 * ifcvt.c (noce_try_cmove_arith): Likewise.
4725 * langhooks.c (add_builtin_function): Likewise.
4726 * reg-stack.c (subst_stack_regs_pat): Likewise.
4727 * tree.c (expanded_location): Likewise.
4728 * tree-dump.c (dequeue_and_dump): Likewise.
4730 2006-10-30 David Daney <ddaney@avtrex.com>
4732 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
4734 2006-10-30 Jakub Jelinek <jakub@redhat.com>
4736 PR tree-optimization/29637
4737 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
4738 of the innertype is the innertype itself.
4740 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
4742 * dwarf2out.c (file_name_acquire): Correct typo.
4744 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
4746 * tree.h (tree_value_handle): Remove struct value_set declaration.
4747 Change value_set to bitmap_set.
4748 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
4749 * tree-vn.c (get_value_handle): Made inline and moved to
4751 * tree-flow-inline.h: (has_stmt_ann): New function.
4752 * tree-ssa-pre.c (expressions): New variable.
4753 (next_expression_id): Ditto.
4754 (alloc_expression_id): New function.
4755 (struct value_set): Remove.
4756 (get_expression_id): New function.
4757 (get_or_alloc_expression_id): Ditto.
4758 (expression_for_id): Ditto.
4759 (clear_expression_ids): Ditto.
4760 (FOR_EACH_EXPR_ID_IN_SET): New macro.
4761 (bb_value_sets): Renamed to bb_bitmap_sets.
4762 All value sets replaced with bitmap_sets.
4764 (BB_VISITED): New macro.
4765 (postorder): New variable.
4766 (add_to_value): Removed.
4767 (value_exists_in_set_bitmap): Ditto.
4768 (value_insert_into_set_bitmap): Ditto.
4771 (set_remove): Ditto.
4772 (set_contains_value): Ditto.
4773 (insert_into_set): Ditto.
4775 (find_leader): Ditto.
4776 (bitmap_set_subtract_from_value_set): Ditto.
4777 (value_insert_into_set): Ditto.
4778 (print_value_set): Ditto.
4779 (debug_value_set): Ditto.
4780 (constant_expr_p): New function.
4781 (bitmap_remove_from_set): Ditto.
4782 (bitmap_insert_into_set): Ditto.
4783 (bitmap_set_free): Ditto.
4784 (vh_compare): Ditto.
4785 (sorted_array_from_bitmap_set): Ditto.
4786 (bitmap_set_subtract): Ditto.
4787 (bitmap_set_equal): Ditto.
4788 (debug_bitmap_set): Ditto.
4789 (find_leader_in_sets): Ditto.
4790 (bitmap_set_replace_value): Modify for bitmapped sets.
4791 (phi_translate): Ditto.
4792 (phi_translate_set): Ditto.
4793 (bitmap_find_leader): Ditto.
4794 (valid_in_sets): Ditto.
4795 (union_contains_value): Ditto.
4797 (compute_antic_aux): Ditto. Mark changed blocks.
4798 (compute_antic): Ditto. Iterate in postorder and only over
4800 (compute_rvuse_and_antic_safe): Reuse postorder.
4801 (create_component_ref_by_pieces): Modify for bitmapped sets.
4802 (find_or_generate_expression): Ditto.
4803 (create_expression_by_pieces): Ditto.
4804 (insert_into_preds_of_block): Ditto.
4805 (changed_blocks): New variable.
4806 (do_regular_insertion): Broken out from insert_aux.
4807 (insert_aux): Modified for bitmapped sets.
4808 (find_existing_value_expr): New function.
4809 (create_value_expr_from): Use it.
4810 (insert_extra_phis): Removed.
4811 (print_bitmap_set): Renamed from bitmap_print_value_set.
4812 (compute_avail): Handle RETURN_EXPR.
4813 (init_pre): Modify for bitmapped sets.
4814 * tree-flow.h (has_stmt_ann): New function.
4816 2006-10-29 Roger Sayle <roger@eyesopen.com>
4818 * builtins.c (fold_builtin_floor): Check for the availability of
4819 the C99 trunc function before transforming floor into trunc.
4821 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4823 * builtins.c (fold_builtin_hypot): Rearrange recursive
4824 transformation before others, and also do ABS_EXPR. When
4825 necessary, check flag_unsafe_math_optimizations. When necessary,
4828 2006-10-29 Roger Sayle <roger@eyesopen.com>
4830 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
4831 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
4832 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
4833 Fold -X eq/ne -Y as X eq/ne Y.
4835 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4837 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
4838 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
4839 rather than GENERATE_MULT3_SI in the various define_peephole2s.
4840 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
4841 Use an inclusive test for "mult" rather than "mul".
4842 (rotr<mode>3): Depend on ISA_HAS_ROR.
4843 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
4845 (GENERATE_MULT3_DI): Delete.
4846 (ISA_HAS_64BIT_REGS): Use consistent formatting.
4847 (ISA_HAS_MUL3): New macro.
4848 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
4849 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
4850 (ISA_HAS_CLZ_CLO): Likewise.
4851 (ISA_HAS_DCLZ_DCLO): Delete.
4852 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
4853 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
4854 the VR4120 and VR4130.
4855 (ISA_HAS_MACCHI): Use consistent formatting.
4856 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
4857 (ISA_HAS_ROR): ...this new macro.
4858 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
4859 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
4860 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
4862 2006-10-29 Roger Sayle <roger@eyesopen.com>
4864 PR tree-optimization/15458
4865 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
4868 2006-10-29 Richard Guenther <rguenther@suse.de>
4870 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
4871 (ix86_expand_truncdf_32): Likewise.
4872 * config/i386/i386.c (ix86_expand_trunc): New function expanding
4873 trunc inline for SSE math and -fno-trapping-math and if not
4874 optimizing for size.
4875 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
4876 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
4877 for expanding btrunc inline for SSE math.
4879 2006-10-29 Joseph Myers <joseph@codesourcery.com>
4881 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
4882 Handle tuning for bi-arch i[34567]86-*-linux* like that for
4883 i[34567]86-*-solaris2.1[0-9]*.
4884 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
4885 Define conditionally depending on TARGET_64BIT_DEFAULT.
4886 (SPEC_32, SPEC_64): Define.
4887 (LINK_SPEC): Use them.
4888 * doc/install.texi (--enable-targets=all): Document for x86-linux.
4890 2006-10-29 Richard Guenther <rguenther@suse.de>
4892 * config/i386/i386-protos.h (ix86_expand_round): Declare.
4893 (ix86_expand_rounddf_32): Likewise.
4894 * config/i386/i386.c (ix86_expand_round): New function expanding
4895 round inline for SSE math and -fno-trapping-math and if not
4896 optimizing for size.
4897 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
4898 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
4899 round via ix86_expand_round.
4901 2006-10-29 Richard Guenther <rguenther@suse.de>
4903 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
4904 (ix86_expand_floorceildf_32): Likewise.
4905 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
4906 static helper function.
4907 (ix86_expand_floorceil): Expander for floor and ceil to SSE
4909 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
4910 * config/i386/i386.md (floordf2): Adjust to enable floor
4911 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
4912 -fno-trapping-math is enabled and if not optimizing for size.
4913 (floorsf2, ceildf2, ceilsf2): Likewise.
4914 * config/i386/sse.md (sse_maskcmpsf3): New insn.
4915 (sse2_maskcmpdf3): Likewise.
4917 2006-10-29 Richard Guenther <rguenther@suse.de>
4919 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
4920 rint in case -fno-trapping-math is enabled.
4921 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
4922 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
4923 (ix86_expand_sse_fabs): Likewise.
4924 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
4925 * config/i386/i386.md (rintdf2): Enable for SSE math if
4926 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
4927 (rintsf2): Likewise.
4929 2006-10-29 Richard Guenther <rguenther@suse.de>
4931 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
4932 to conversion optabs.
4933 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
4934 as conversion optab.
4935 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
4936 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
4937 (lfloor_optab, lceil_optab): Adjust defines.
4938 * builtins.c (expand_builtin_int_roundingfn): Adjust for
4939 lfloor and lceil optabs now being conversion optabs.
4940 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
4941 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
4942 New static helper function.
4943 (ix86_expand_lfloorceil): New function to expand lfloor and
4945 * config/i386/i386.md (lfloor<mode>2): Split into ...
4946 (lfloorxf<mode>2): ... x87 variant
4947 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
4948 using ix86_expand_lfloorceil.
4949 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
4951 * doc/md.texi (lfloorMN, lceilMN): Document.
4953 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4955 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
4956 -mno-shared assembler option on mips targets.
4957 * configure, config.in: Regenerate.
4958 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
4959 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
4960 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
4962 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4964 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
4965 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
4967 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
4969 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
4970 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
4973 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4976 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
4977 (fold_builtin_pow): Evaluate constant arguments at compile-time
4979 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
4980 (do_mpfr_ckconv): New helper function.
4981 (do_mpfr_arg1): Use do_mpfr_ckconv.
4982 (do_mpfr_arg2): New.
4984 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
4987 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
4988 (-fdump-rtl-sched): Rename to ..
4989 (-fdump-rtl-sched1): here. Also fix file extension number.
4991 2006-10-28 Richard Guenther <rguenther@suse.de>
4993 * fold-const.c (maybe_canonicalize_comparison): Fix code
4996 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4998 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
4999 (NON_QI_REG_P): Use IN_RANGE.
5000 (REX_INT_REGNO_P): Use IN_RANGE.
5001 (FP_REGNO_P): Use IN_RANGE.
5002 (SSE_REGNO_P): Use IN_RANGE.
5003 (REX_SSE_REGNO_P): Use IN_RANGE.
5004 (MMX_REGNO_P): Use IN_RANGE.
5005 (STACK_REGNO_P): New macro.
5006 (STACK_REG_P): Use STACK_REGNO_P.
5007 (NON_STACK_REG_P): Use STACK_REGNO_P.
5008 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
5009 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
5010 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
5011 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
5012 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
5014 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
5016 * except.h (output_function_exception_table): Add 'const char*' param.
5017 * except.c (switch_to_exception_section): Add 'const char*' param.
5018 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
5019 and flag_function_sections is set, use a function-specific section.
5020 (output_function_exception_table): Add 'const char*' param.
5021 Adjust call to switch_to_exception_section.
5022 * final.c (rest_of_handle_final): Adjust calls to
5023 output_function_exception_table.
5024 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
5025 * config.in: Regenerate.
5026 * configure: Likewise.
5028 2006-10-28 Richard Guenther <rguenther@suse.de>
5031 * fold-const.c (maybe_canonicalize_comparison_1): Helper
5032 for maybe_canonicalize_comparison.
5033 (maybe_canonicalize_comparison): New function for canonicalizing
5035 (fold_comparison): Call it to canonicalize comparisons with
5038 2006-10-28 Richard Guenther <rguenther@suse.de>
5041 * builtins.c (expand_builtin_int_roundingfn_2): Expand
5042 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
5043 (expand_builtin): Adjust likewise.
5044 * genopinit.c (optabs[]): Add lround optab.
5045 * optabs.c (init_optabs): Initialize lround_optab.
5046 * optabs.h (enum convert_optab_index): Add COI_lround.
5047 (lround_optab): Define.
5048 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
5049 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
5051 (ix86_expand_lround): New function.
5052 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
5054 * doc/md.texi (lroundMN2): Document.
5056 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5059 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
5060 argument to HOST_WIDE_INT. Update function prototype.
5061 (round_frame_size): Change return type to HOST_WIDE_INT. Change
5062 "size" argument to HOST_WIDE_INT. Update function prototype.
5064 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5066 * config/i386/i386.c (output_387_ffreep): Create output from a
5067 template string for !HAVE_AS_IX86_FFREEP.
5069 2006-10-27 Eric Christopher <echristo@apple.com>
5071 * config/darwin.c: Fix formatting and grammar.
5073 2006-10-27 Jan Hubicka <jh@suse.cz>
5075 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
5076 to be thrown away soon when IGNORE is set.
5077 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
5078 indicating when return value shall not be computed.
5079 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
5081 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
5083 * config/i386/i386.h (TARGET_GEODE):
5084 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
5085 (TARGET_CPU_DEFAULT_geode): New macro.
5086 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
5087 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
5088 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
5089 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
5090 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
5092 (TARGET_CPU_DEFAULT_NAMES): Add geode.
5093 (processor_type): Add PROCESSOR_GEODE.
5095 * config/i386/i386.md: Include geode.md.
5098 * config/i386/i386.c (geode_cost): New initialized global
5100 (m_GEODE, m_K6_GEODE): New macros.
5101 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
5102 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
5103 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
5104 x86_schedule): Use m_K6_GEODE instead of m_K6.
5105 (x86_movx, x86_cmove): Set up m_GEODE.
5106 (x86_integer_DFmode_moves): Clear m_GEODE.
5107 (processor_target_table): Add entry for geode.
5108 (processor_alias_table): Ditto.
5110 * config/i386/geode.md: New file.
5112 * doc/invoke.texi: Add entry about geode processor.
5114 2006-10-27 Mike Stump <mrs@apple.com>
5116 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
5117 __DYNAMIC__ from here back to ...
5118 * config/darwin.h (CPP_SPEC): ... here.
5120 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
5121 Nathan Sidwell <nathan@codesourcery.com>
5123 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
5124 when choosing the minimum heapsize.
5126 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
5128 * gcc/unwind-dw2.h: Move cfa-related variables into
5129 struct frame_state_reg_info to ensure that the CFA is properly
5130 handled when executing DW_CFA_{remember,restore}_state.
5131 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
5132 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
5133 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
5134 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
5135 gcc/config/rs6000/linux-unwind.h,
5136 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
5137 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
5138 Modify to use new cfa_* fields.
5140 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
5142 * config/s390/s390.c (s390_init_frame_layout): Check positive
5145 2006-10-26 Ben Elliston <bje@au.ibm.com>
5147 * gimplify.c (get_name): Remove extraneous break.
5148 (gimplify_omp_for): Initialise ret with GS_OK.
5150 2006-10-25 Steve Ellcey <sje@cup.hp.com>
5152 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
5153 Add unix98.o to link line.
5155 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5158 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
5159 Calculate compile-time constants using MPFR.
5160 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
5161 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
5163 2006-10-25 Bob Wilson <bob.wilson@acm.org>
5165 * config/xtensa/lib2funcs.S: Use C-style comments.
5167 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
5169 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
5170 (file_table_relative_p): Likewise.
5171 (dwarf2out_finish): Likewise.
5172 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
5174 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
5176 * tree-ssa-structalias.c (intra_create_variable_infos):
5177 Don't recreate nonlocal_all if it already exists.
5179 2006-10-25 Richard Guenther <rguenther@suse.de>
5182 * optabs.h (enum optab_index): Remove OTI_lrint.
5183 (enum convert_optab_index): Add COI_lrint.
5184 (lrint_optab): Adjust.
5185 (expand_sfix_optab): Declare.
5186 * optabs.c (expand_sfix_optab): New function.
5187 (init_optabs): Init lrint_optab as conversion optab.
5188 * genopinit.c (lrint_optab): Change to a conversion optab.
5189 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
5190 expansion via conversion optab.
5191 * config/i386/i386.md (*fistdi2_1): Remove
5192 flag_unsafe_math_optimizations guard.
5193 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
5194 fist<mode>2_with_temp): Likewise.
5195 (lrint<mode>2): Split into...
5196 (lrintxf<mode>2): ... x87 part
5197 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
5198 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
5199 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
5200 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
5201 * doc/md.texi (lrintMN2): Document.
5203 2006-10-25 Uros Bizjak <uros@kss-loka.si>
5206 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
5207 Use inc and dec instructions for TARGET_USE_INCDEC.
5208 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
5209 ("sync_double_compare_and_swap<mode>"): Likewise.
5210 ("*sync_double_compare_and_swapdi_pic"): Likewise.
5211 ("*sync_compare_and_swap_cc<mode>"): Likewise.
5212 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
5213 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
5214 ("sync_old_add<mode>"): Likewise.
5215 ("sync_lock_test_and_set<mode>"): Likewise.
5216 ("sync_lock_test_and_set<mode>"): Likewise.
5217 ("sync_add<mode>"): Likewise.
5218 ("sync_sub<mode>"): Likewise.
5219 ("sync_ior<mode>"): Likewise.
5220 ("sync_and<mode>"): Likewise.
5221 ("sync_xor<mode>"): Likewise.
5223 2006-10-25 Uros Bizjak <uros@kss-loka.si>
5225 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
5226 (remainder_optab): Define corresponding macro.
5227 (drem_optab): Remove.
5228 * optabs.c (init_optabs): Initialize remainder_optab. Remove
5229 drem_optab initialization.
5230 * genopinit.c (optabs): Implement remainder_optab using
5231 remainder?f3 patterns. Remove drem_optab.
5232 * builtins.c (expand_builtin_mathfn_2): Handle
5233 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
5234 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
5235 expand_builtin_mathfn_2.
5237 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
5238 depend on flag_unsafe_math_optimizations.
5240 * config/i386/i386.md ("remaindersf3", "remainderdf3")
5241 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
5242 Do not depend on flag_unsafe_math_optimizations. Use
5243 truncxf?f expander instead of truncxf?f_i387_noop.
5245 ("fpremxf4", "fprem1xf4"): Do not depend on
5246 flag_unsafe_math_optimizations.
5247 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
5248 flag_unsafe_math_optimizations. Use truncxf?f expander
5249 instead of truncxf?f_i387_noop.
5251 * doc/md.texi (fmod, remainder): Document standard named pattern.
5253 2006-10-24 Richard Sandiford <richard@codesourcery.com>
5254 David Daney <ddaney@avtrex.com>
5257 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
5259 2006-10-25 Ben Elliston <bje@au.ibm.com>
5261 * doc/extend.texi (Variable Attributes): Typo fix.
5263 2006-10-24 Uros Bizjak <uros@kss-loka.si>
5265 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
5266 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
5267 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
5268 (FRAME_POINTER_REGNUM): Update register number to 21.
5269 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
5270 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
5272 * config/i386/i386.c (regclass_map): Add fpcr entry.
5273 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
5275 (print_reg): Assert REGNO (x) != FPCR_REG.
5277 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
5278 (DIRFLAG_REG): Renumber.
5279 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
5280 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
5281 (sse_prologue_save, *sse_prologue_save_insn): Renumber
5282 hardcoded SSE register numbers.
5284 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
5285 hardcoded MMX register numbers.
5287 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5290 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
5291 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
5293 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
5294 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
5295 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
5296 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
5298 2006-10-24 Richard Guenther <rguenther@suse.de>
5301 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
5302 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
5303 for deciding optimizations in consistency with fold-const.c
5304 (fold_builtin_unordered_cmp): Likewise.
5306 2006-10-24 Richard Guenther <rguenther@suse.de>
5308 * builtins.c (fold_builtin_floor): Fold floor (x) where
5309 x is nonnegative to trunc (x).
5310 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
5311 nonnegative to FIX_TRUNC_EXPR.
5313 2006-10-24 Richard Guenther <rguenther@suse.de>
5315 PR tree-optimization/29567
5316 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
5317 for TRUTH_NOT_EXPR. Clarify comments.
5319 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5322 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
5323 at compile-time using MPFR. Change parameter VALUE to FUNC,
5325 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
5326 for overflow and underflow at all times and avoid folding in
5329 2006-10-24 Ben Elliston <bje@au.ibm.com>
5331 * reload1.c: Formatting fixes.
5333 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
5335 PR tree-optimization/14784
5336 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
5337 * tree-ssa-structalias.c (get_constraint_for,
5338 intra_create_variable_infos): Set is_heapvar.
5339 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
5340 non-heapvar pointer variables specially.
5342 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5345 * builtins.c (fold_builtin_sin, fold_builtin_cos,
5346 fold_builtin_tan): Fold all constant arguments. Take a "type"
5347 argument as necessary.
5348 (do_mpfr_arg1): New.
5349 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
5351 2006-10-23 Bob Wilson <bob.wilson@acm.org>
5353 * config/xtensa/lib1funcs.asm: Use C-style comments.
5355 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
5357 * tree.c (local_define_builtin): Replace calls to
5358 lang_hooks.builtin_function with add_builtin_function.
5359 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
5361 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
5363 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
5364 common code to add_builtin_function.
5365 * langhooks.c (add_builtin_function): New function.
5366 (lhd_builtin_function): New function.
5367 * langhooks.h (struct lang_hooks): Change the signature of
5369 (add_builtin_function): New function.
5370 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
5371 calls to lang_hooks.builtin_function with add_builtin_function.
5372 * c-common.c (decl_builtin_1): Replace calls to
5373 lang_hooks.builtin_function with add_builtin_function.
5374 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
5375 lang_hooks.builtin_function with add_builtin_function.
5376 * config/frv/frv.c (def_builtin): Replace calls to
5377 lang_hooks.builtin_function with add_builtin_function.
5378 * config/s390/s390.c (s390_init_builtins): Replace calls to
5379 lang_hooks.builtin_function with add_builtin_function.
5380 * config/sparc/sparc.c (def_builtin): Replace calls to
5381 lang_hooks.builtin_function with add_builtin_function.
5382 * config/i386/i386.c (def_builtin): Replace calls to
5383 lang_hooks.builtin_function with add_builtin_function.
5384 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
5385 lang_hooks.builtin_function with add_builtin_function.
5386 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
5387 lang_hooks.builtin_function with add_builtin_function.
5388 * config/stormy16/stormy16.c (xstormy16_init_builtins):
5389 Replace calls to lang_hooks.builtin_function with
5390 add_builtin_function.
5391 * config/iq2000/iq2000.c (def_builtin):
5392 Replace calls to lang_hooks.builtin_function with
5393 add_builtin_function.
5394 * config/ia64/ia64.c (def_builtin): Replace calls to
5395 lang_hooks.builtin_function with add_builtin_function.
5396 * config/rs6000/rs6000.c (def_builtin): Replace calls to
5397 lang_hooks.builtin_function with add_builtin_function.
5398 (altivec_init_builtins): Replace calls to
5399 lang_hooks.builtin_function with add_builtin_function.
5400 * config/arm/arm.c (def_mbuiltin): Replace calls to
5401 lang_hooks.builtin_function with add_builtin_function.
5402 (arm_init_tls_builtins): Replace calls to
5403 lang_hooks.builtin_function with add_builtin_function.
5404 * config/mips/mips.c (mips_init_builtins): Replace calls to
5405 lang_hooks.builtin_function with add_builtin_function.
5406 * config/bfin/bfin.c (def_builtin): Replace calls to
5407 lang_hooks.builtin_function with add_builtin_function.
5408 * langhooks-def.h (lhd_builtin_function): New function.
5409 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
5411 2006-10-23 Jakub Jelinek <jakub@redhat.com>
5413 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
5414 BUILT_IN_STRNCAT_CHK.
5416 2006-10-23 Jan Hubicka <jh@suse.cz>
5418 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
5419 don't do conversion from memmove to memcpy here.
5420 (expand_builtin_bcopy, expand_builtin): Update call of
5421 expand_builtin_memmove.
5422 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
5424 2006-10-23 Paul Brook <paul@codesourcery.com>
5426 * stor-layout.c (start_record_layout): maximum_field_alignment
5427 overrides STRUCTURE_SIZE_BOUNDARY.
5429 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
5431 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
5432 nonlocal function symbols if flag_pic.
5434 2006-10-23 Richard Guenther <rguenther@suse.de>
5438 * builtins.c (fold_binary): Remove checks for flag_wrapv
5439 and flag_trapv where negate_expr_p covers these cases.
5441 2006-10-23 Richard Guenther <rguenther@suse.de>
5444 * fold-const.c (fold_plusminus_mult_expr): Check exact power
5445 of two on the absolute value.
5446 (fold_binary): Fold x * -C to -x * C if x is easily negatable
5447 and negating -C does not overflow.
5449 2006-10-23 Richard Guenther <rguenther@suse.de>
5452 * convert.c (convert_to_real): Fold (float)-x to -(float)x
5453 only if not flag_rounding_math.
5455 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5456 Kaz Kojima <kkojima@gcc.gnu.org>
5459 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
5460 SImode memory reference for the source of a movua.
5461 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
5462 (movua): Use an unspec instead of sign_extract. Expect the source
5463 to have mode BLKmode.
5464 (extv, insv): Use a BLKmode rather than SImode memory reference
5465 for the source of a movua.
5467 2006-10-22 Jeff Law <law@redhat.com>
5468 Richard Guenther <rguenther@suse.de>
5470 PR tree-optimization/15911
5471 * tree-vrp.c (extract_code_and_val_from_cond): New function.
5472 (register_edge_assert_for_1): Likewise.
5473 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
5474 (find_conditional_asserts): Adjust for new function signature.
5475 (find_assert_locations): Likewise.
5477 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5479 * config/i386/tmmintrin.h: Remove the duplicated content.
5481 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5483 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
5484 (x86_64-*-*): Likewise.
5486 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
5487 (override_options): Check SSSE3.
5488 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
5489 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
5490 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
5491 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
5492 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
5493 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
5494 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
5495 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
5496 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
5497 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
5498 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
5499 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
5500 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
5501 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
5502 IX86_BUILTIN_PABSD128.
5503 (bdesc_2arg): Add SSSE3.
5504 (bdesc_1arg): Likewise.
5505 (ix86_init_mmx_sse_builtins): Support SSSE3.
5506 (ix86_expand_builtin): Likewise.
5507 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
5509 * config/i386/i386.md (UNSPEC_PSHUFB): New.
5510 (UNSPEC_PSIGN): Likewise.
5511 (UNSPEC_PALIGNR): Likewise.
5512 Include mmx.md before sse.md.
5514 * config/i386/i386.opt: Add -mssse3.
5516 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
5517 (ssse3_phaddwv4hi3): Likewise.
5518 (ssse3_phadddv4si3): Likewise.
5519 (ssse3_phadddv2si3): Likewise.
5520 (ssse3_phaddswv8hi3): Likewise.
5521 (ssse3_phaddswv4hi3): Likewise.
5522 (ssse3_phsubwv8hi3): Likewise.
5523 (ssse3_phsubwv4hi3): Likewise.
5524 (ssse3_phsubdv4si3): Likewise.
5525 (ssse3_phsubdv2si3): Likewise.
5526 (ssse3_phsubswv8hi3): Likewise.
5527 (ssse3_phsubswv4hi3): Likewise.
5528 (ssse3_pmaddubswv8hi3): Likewise.
5529 (ssse3_pmaddubswv4hi3): Likewise.
5530 (ssse3_pmulhrswv8hi3): Likewise.
5531 (ssse3_pmulhrswv4hi3): Likewise.
5532 (ssse3_pshufbv16qi3): Likewise.
5533 (ssse3_pshufbv8qi3): Likewise.
5534 (ssse3_psign<mode>3): Likewise.
5535 (ssse3_psign<mode>3): Likewise.
5536 (ssse3_palignrti): Likewise.
5537 (ssse3_palignrdi): Likewise.
5538 (abs<mode>2): Likewise.
5539 (abs<mode>2): Likewise.
5541 * config/i386/tmmintrin.h: New file.
5543 * doc/extend.texi: Document SSSE3 built-in functions.
5545 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
5547 2006-10-22 Ira Rosen <irar@il.ibm.com>
5549 * tree-vect-transform.c (vectorizable_load): Use the type of the
5550 return value of the mask_for_load builtin to create realign_load
5553 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5555 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
5558 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
5560 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
5561 (UNSPEC_LDDQU): This.
5562 * config/i386/sse.md (sse3_lddqu): Updated.
5564 2006-10-21 Richard Guenther <rguenther@suse.de>
5566 * builtins.c (expand_builtin_int_roundingfn_2): New function.
5567 (expand_builtin): Use it to expand lrint instead of
5568 expand_builtin_mathfn.
5570 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5573 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
5574 flag_unsafe_math_optimizations is set.
5576 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5579 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
5580 patterns to use memory input operand in x87->mem->XMM
5581 reload sequences. Skip transformation for TARGET_K8.
5583 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5585 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
5586 force operand1 to register if both operands are memory operands.
5587 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
5588 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
5589 if both operands are memory operands.
5590 (truncdfsf2): Do not force operand1 to register if both operands
5591 are memory operands.
5593 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5595 * Makefile.in (LIBS): Add $(GMPLIBS).
5596 * doc/install.texi: Update GMP and MPFR requirements.
5597 * doc/sourcebuild.texi (need_gmp): Delete.
5599 2006-10-21 Richard Guenther <rguenther@suse.de>
5601 PR tree-optimization/3511
5602 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
5603 got new invariant arguments during PHI translation.
5605 2006-10-21 Richard Guenther <rguenther@suse.de>
5608 * fold-const.c (fold_comparison): Fold signed comparisons
5609 of the form X +- C1 CMP Y +- C2.
5611 2006-10-21 Richard Guenther <rguenther@suse.de>
5614 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
5615 if flag_unsafe_math_optimizations is specified. We have
5616 flag_finite_math_only for that.
5617 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
5618 or flag_unsafe_math_optimizations.
5620 2006-10-21 Richard Guenther <rguenther@suse.de>
5622 * builtins.c (fold_builtin_classify): Fix typo.
5624 2006-10-21 Richard Guenther <rguenther@suse.de>
5627 * simplify-rtx.c (simplify_const_relational_operation):
5628 Do not constant-fold ORDERED and UNORDERED for
5629 flag_unsafe_math_optimizations but only we do not need to
5630 honor NaNs for the given mode.
5632 2006-10-21 Richard Guenther <rguenther@suse.de>
5635 * config/i386/i386.c (classify_argument): Remove redundant
5636 walking of the BINFOs.
5637 (contains_128bit_aligned_vector_p): Likewise.
5639 2006-10-20 Mark Mitchell <mark@codesourcery.com>
5641 * BASE-VER: Set to 4.3.0.
5643 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
5645 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
5646 (tree_decl_with_vis): Remove artificial_pta_var flag.
5647 * tree-flow.h (referenced_var_check_and_insert): Expose.
5648 (nonlocal_all): New prototype.
5649 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
5650 (nonlocal_all): Make global.
5651 (nonlocal_lookup): Remove.
5652 (nonlocal_insert): Ditto.
5653 (create_nonlocal_var): Do not call nonlocal_insert.
5654 (get_nonlocal_id_for_type): Remove.
5655 (find_global_initializers): Mark new vars we find for renaming.
5656 (intra_create_variable_infos): Only create one nonlocal.
5657 (expand_nonlocal_solutions): Remove.
5658 (compute_points_to_sets): Don't call it.
5659 (ipa_pta_execute): Ditto.
5660 (init_alias_heapvars): Don't create nonlocal_for_type.
5661 (delete_alias_heapvars): Don't remove it.
5662 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
5665 2006-10-19 Brooks Moses <bmoses@stanford.edu>
5667 * doc/install.texi (Downloading GCC): Clarify mention of
5668 Fortran in the "full distribution" description.
5670 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
5672 Fix PR tree-optimization/28778
5673 Fix PR tree-optimization/29156
5674 Fix PR tree-optimization/29415
5675 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
5676 (tree_decl_with_vis): Add artificial_pta_var flag.
5677 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
5678 pushed into callers.
5679 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
5680 (nonlocal_all): Ditto.
5681 (struct variable_info): Add directly_dereferenced member.
5682 (var_escaped_vars): New variable.
5683 (escaped_vars_tree): Ditto.
5684 (escaped_vars_id): Ditto.
5685 (nonlocal_vars_id): Ditto.
5686 (new_var_info): Set directly_dereferenced.
5687 (graph_size): New variable
5688 (build_constraint_graph): Use graph_size.
5689 (solve_graph): Don't process constraints that cannot change the
5690 solution, don't try to propagate an empty solution to our
5692 (process_constraint): Set directly_dereferenced.
5693 (could_have_pointers): New function.
5694 (get_constraint_for_component_ref): Don't process STRING_CST.
5695 (nonlocal_lookup): New function.
5696 (nonlocal_insert): Ditto.
5697 (create_nonlocal_var): Ditto.
5698 (get_nonlocal_id_for_type): Ditto.
5699 (get_constraint_for): Allow results vector to be empty in the case
5700 of string constants.
5701 Handle results of calls properly.
5702 (update_alias_info): Update alias info stats on number and type of
5704 (find_func_aliases): Use could_have_pointers.
5705 (make_constraint_from_escaped): Renamed from
5706 make_constraint_to_anything, and changed to make constraints from
5708 (make_constraint_to_escaped): New function.
5709 (find_global_initializers): Ditto.
5710 (create_variable_info_for): Make constraint from escaped to any
5711 global variable, and from any global variable to the set of
5713 (intra_create_variable_infos): Deal with escaped instead of
5714 pointing to anything.
5715 (set_uids_in_ptset): Do type pruning on directly dereferenced
5717 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
5718 (init_base_vars): Fix comment, and initialize escaped_vars.
5719 (need_to_solve): Removed.
5720 (find_escape_constraints): New function.
5721 (expand_nonlocal_solutions): Ditto.
5722 (compute_points_to_sets): Call find_escape_constraints and
5723 expand_nonlocal_solutions.
5724 (delete_points_to_sets): Don't fall off the end of the graph.
5725 (init_alias_heapvars): Initialize nonlocal_for_type and
5727 (delete_alias_heapvars): Free nonlocal_for_type and null out
5730 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
5732 * fold-const.c (add_double): Rename to add_double_with_sign.
5733 Add 'unsigned_p' parameter and take it into account for the overflow.
5734 (mul_double): Rename to mul_double_with_sign.
5735 Add 'unsigned_p' parameter and take it into account for the overflow.
5736 (fold_div_compare): Call add_double_with_sign instead of add_double
5737 and mul_double_with_sign instead of mul_double, passing them the
5738 unsignedness of the type.
5739 * tree.h (add_double): Macroize.
5740 (add_double_with_sign): New prototype.
5741 (mul_double): Macroize.
5742 (mul_double_with_sign): New prototype.
5744 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
5746 * config/score/crti.asm: New file.
5747 * config/score/crtn.asm: New file.
5748 * config/score/elf.h: New file.
5749 * config/score/mac.md: New file.
5750 * config/score/misc.md: New file.
5751 * config/score/mul-div.S: New file.
5752 * config/score/predicates.md: New file.
5753 * config/score/score7.md: New file.
5754 * config/score/score.c: New file.
5755 * config/score/score-conv.h: New file.
5756 * config/score/score.h: New file.
5757 * config/score/score.md: New file.
5758 * config/score/score-mdaux.c: New file.
5759 * config/score/score-mdaux.h: New file.
5760 * config/score/score-modes.def: New file.
5761 * config/score/score.opt: New file.
5762 * config/score/score-protos.h: New file.
5763 * config/score/score-version.h: New file.
5764 * config/score/t-score-elf: New file.
5765 * config.gcc: Add score*-*-* configurations(Update before).
5766 * doc/invoke.texi (Score Options): New section.
5767 * doc/md.texi (Score family): New section to document constraints.
5769 2006-10-19 Nick Clifton <nickc@redhat.com>
5771 * config/arm/arm.c: Fix spelling typo.
5773 2006-10-18 Tom Tromey <tromey@redhat.com>
5775 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
5777 2006-10-18 Jan Hubicka <jh@suse.cz>
5780 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
5783 2006-10-18 Marcin Dalecki <martin@dalecki.de>
5785 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
5786 TSI_SAME_STMT, since that's the desired entity.
5788 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
5790 * config/s390/contraints.md: New file.
5791 * config/s390/s390-protos.h (s390_mem_constraint,
5792 s390_O_constraint_str, s390_N_constraint_str,
5793 s390_float_const_zero_p): Function prototypes added.
5794 * config/s390/s390.c (s390_extra_constraint_str,
5795 s390_const_double_ok_for_constraint_p,
5796 s390_const_ok_for_constraint_p): Functions removed.
5797 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
5798 s390_float_const_zero_p): New functions.
5799 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
5800 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
5801 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
5802 Macro definitions removed.
5803 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
5804 s390_extra_constraint_str): Functions removed.
5806 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
5807 Richard Sandiford <richard@codesourcery.com>
5810 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
5811 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
5813 2006-10-16 Geoffrey Keating <geoffk@apple.com>
5815 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
5816 (DWARF2_FRAME_REG_OUT): Likewise.
5817 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
5818 (DWARF2_FRAME_REG_OUT): Likewise.
5820 2006-10-17 Paul Brook <paul@codesourcery.com>
5822 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
5824 2006-10-16 Brooks Moses <bmoses@stanford.edu>
5826 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
5827 Standardize on "GNU Fortran" as the official name of the Fortran
5830 2006-10-16 Mike Stump <mrs@apple.com>
5832 * doc/invoke.texi (Darwin Options): Document -mkernel.
5833 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
5835 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
5836 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
5837 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
5838 (OS_MISSING_ALTIVEC): Add.
5839 * config/i386/i386.c (override_options): Add
5840 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
5841 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
5842 -mkernel, -static or -mdynamic-no-pic is given.
5843 (C_COMMON_OVERRIDE_OPTIONS): Add.
5844 * config/darwin.opt (fapple-kext): Add.
5846 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
5847 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
5849 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
5850 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
5851 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
5852 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
5853 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
5854 (flag_mkernel): Add.
5855 (flag_apple_kext): Add.
5856 (TARGET_KEXTABI): Add.
5857 * config/darwin.c (darwin_handle_kext_attribute): Add.
5858 (DARWIN_VTABLE_P): Add.
5859 (darwin_binds_local_p): Add partial support for rebinding vtables
5861 (darwin_kextabi_p): Add.
5862 (darwin_override_options): Add.
5863 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
5864 (darwin_kextabi_p): Add.
5865 (darwin_override_options): Add.
5866 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
5867 __DYNAMIC__ and __STATIC__ here.
5869 2006-10-16 Brooks Moses <bmoses@stanford.edu>
5871 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
5872 Added mention of "make pdf" target, and Texinfo requirements for
5875 2006-10-16 DJ Delorie <dj@redhat.com>
5877 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
5878 into the GOT in case we need a subreg of the address.
5880 2006-10-16 Richard Guenther <rguenther@suse.de>
5883 * doc/extend.texi (X86 Built-in Functions): Fix typos in
5884 SSE builtin documentation. Document SSE2 builtins.
5886 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5888 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
5889 symbol in the output file for non-shared links when -nostdlib or
5890 -nodefaultlibs isn't specified.
5892 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
5893 posix thread support.
5895 2006-10-15 Jan Hubicka <jh@suse.cz>
5898 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
5899 declared always_inline even when not inlining.
5901 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5902 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5903 Andrew Pinski <pinskia@gmail.com>
5906 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
5908 2006-10-15 Jan Hubicka <jh@suse.cz>
5909 Richard Guenther <rguenther@suse.de>
5912 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
5913 process_function_and_variable_attributes on all variables, including
5914 those discovered during cgraph construction phase.
5916 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
5918 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
5920 2006-10-14 Uros Bizjak <uros@kss-loka.si>
5922 * config/i386/athlon.md (athlon_fist): Add fisttp.
5924 2006-10-13 David Edelsohn <edelsohn@gnu.org>
5925 Ian Lance Taylor <ian@airs.com>
5928 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
5929 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
5932 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
5934 * config/score/score.c, config/score/score.h: Fix comment
5937 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5940 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
5943 2006-10-13 Eric Christopher <echristo@apple.com>
5945 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
5947 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5950 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5951 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
5952 alignment supported by 32-bit ELF.
5954 2006-10-13 Eric Christopher <echristo@apple.com>
5956 * config/darwin.c (darwin_emit_unwind_label): Strip
5957 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
5959 2006-10-13 Richard Guenther <rguenther@suse.de>
5961 PR tree-optimization/29446
5962 * tree-vrp.c (fix_equivalence_set): Remove.
5963 (extract_range_from_assert): Do not call fix_equivalence_set.
5964 (debug_value_range): Print a newline.
5965 (compare_name_with_value): For equivalence sets with
5966 inconsistent value ranges conservatively bail out.
5967 (compare_names): Likewise.
5969 2006-10-13 David Edelsohn <edelsohn@gnu.org>
5971 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
5972 and MPFR for gfortran.
5974 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5976 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
5977 alignment supported by 32-bit ELF.
5979 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
5983 * c-typeck.c (digest_init): Always allow initializing vectors
5984 that have static storage duration with compound literals.
5985 * tree.c (build_type_attribute_qual_variant): New, based on
5986 build_type_attribute_variant.
5987 (build_type_attribute_variant): Rewrite using the former.
5988 (make_vector_type): Use build_type_attribute_qual_variant to build
5989 type variants. Use type_hash_canon on the others.
5991 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
5992 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
5994 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
5996 2006-10-12 Jan Hubicka <jh@suse.cz>
5999 * c-decl.c (c_make_fname_decl): Do not segfault in case where
6000 current_function_decl is set but current_function_scope is not.
6002 2006-10-12 Jie Zhang <jie.zhang@analog.com>
6004 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
6005 emit_insn to emit eh_return_internal instruction.
6006 (eh_return_internal): Explicitly set pc.
6008 2006-10-11 Richard Guenther <rguenther@suse.de>
6010 PR tree-optimization/28230
6011 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
6012 to the correct place.
6014 2006-10-11 Richard Guenther <rguenther@suse.de>
6017 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
6020 2006-10-10 Brooks Moses <bmoses@stanford.edu>
6022 * configure.ac: Added pdf to "Make-hooks"
6023 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
6024 targets and *.pdf file patterns in cleanup targets.
6025 * configure: Regenerated.
6027 2006-10-10 Anatoly Sokolov <aesok@post.ru>
6029 * config/avr/predicates.md: New file.
6030 * config/avr/avr.md: Include it.
6031 (REG_SP): New constant.
6032 (peepholes): Use predicates.
6033 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
6034 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
6035 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
6037 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
6039 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
6042 2006-10-10 Jakub Jelinek <jakub@redhat.com>
6045 * builtins.c (var_decl_component_p): New function.
6046 (fold_builtin_memset, fold_builtin_memory_op): Restrict
6047 single entry optimization to variables and components thereof.
6049 2006-10-10 Richard Guenther <rguenther@suse.de>
6051 PR rtl-optimization/29323
6052 * except.c (set_nothrow_function_flags): For functions
6053 that do not bind local bail out early.
6055 2006-10-10 Ben Elliston <bje@au.ibm.com>
6057 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
6060 2006-10-09 Richard Henderson <rth@redhat.com>
6062 Revert emutls patch.
6064 2006-10-09 Richard Guenther <rguenther@suse.de>
6067 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
6070 2006-10-09 Steve Ellcey <sje@cup.hp.com>
6073 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
6074 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
6075 * configure: Regenerate.
6076 * config.in: Regenerate.
6078 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
6080 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
6082 2006-10-08 Richard Sandiford <richard@codesourcery.com>
6084 * config/mips/mips.c (mips_legitimize_tls_address): Implement
6085 all TLS models in the same way as local exec if !TARGET_ABICALLS.
6086 Remove stray newline.
6088 2006-10-08 Richard Sandiford <richard@codesourcery.com>
6090 * config/mips/mips.c (mips_classify_symbol): Do not return
6091 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
6092 (mips_in_small_data_p): Tweak comments.
6094 2006-10-08 Richard Sandiford <richard@codesourcery.com>
6096 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
6098 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
6100 * gimplify.c, sched-int.h: Fix comment typos.
6102 * sched-int.h: Fix comment typos.
6104 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6106 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
6108 * sched-ebb.c (begin_schedule_ready): Use them.
6109 * haifa-sched.c (schedule_insn, move_insn, try_ready,
6110 add_to_speculative_block, create_check_block_twin, speculate_insn,
6111 fix_jump_move, move_block_after_check): Ditto.
6112 * sched-rgn.c (new_ready): Ditto.
6114 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6116 PR rtl-optimization/29128
6117 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
6118 * sched-ebb.c (advance_target_bb): Use it to fix condition to
6119 allow interblock movement of speculation checks.
6121 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
6124 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
6125 casted to integer type.
6126 (get_address_cost): Decrease cost of [symbol + index] addressing modes
6127 if they are significantly more expensive than [reg + index] ones.
6129 2006-10-06 Jakub Jelinek <jakub@redhat.com>
6131 PR tree-optimization/29330
6132 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
6133 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
6134 on newly allocated ddrs.
6135 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
6136 to VEC (loop_p, heap) pointer.
6137 (compute_data_dependences_for_loop): Adjust caller.
6138 (free_dependence_relations): Free DDR_LOOP_NEST.
6140 * tree-loop-linear.c (linear_transform_loops): Don't forget to
6141 free DEPENDENCE_RELATIONS and DATAREFS.
6144 * builtins.c (expand_builtin_sync_operation,
6145 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
6146 Use convert_to_mode to handle promoted arguments.
6148 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
6150 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
6152 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
6154 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
6156 2006-10-05 Uros Bizjak <uros@kss-loka.si>
6158 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
6159 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
6160 Use <modeconstraint> instead of "r" as operand 1 constraint.
6162 2006-10-06 Olivier Hainque <hainque@adacore.com>
6164 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
6165 Don't recurse on the pointed-to type.
6166 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
6167 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
6168 types with components of variable size.
6170 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
6172 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
6174 2006-10-06 Jakub Jelinek <jakub@redhat.com>
6176 PR tree-optimization/29290
6177 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
6181 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
6182 * config/i386/predicates.md (local_symbolic_operand): Likewise.
6185 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
6186 the number of vector elements fill the rest with zeros.
6188 2006-10-05 Richard Sandiford <richard@codesourcery.com>
6190 * config/mips/mips.c (mips_pass_by_reference): Do not return false
6191 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
6194 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
6196 * config/bfin/bfin.md (subsi3): Lose expander, change previously
6197 unnamed pattern into subsi3. Use correct constraints/predicates.
6198 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
6199 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
6201 2006-10-05 Ira Rosen <irar@il.ibm.com>
6203 * doc/loop.texi: Add data references analysis description.
6205 2006-10-04 Brooks Moses <bmoses@stanford.edu>
6207 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
6209 2006-10-04 Richard Henderson <rth@redhat.com>
6210 Jakub Jelinek <jakub@redhat.com>
6212 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
6213 * builtin-types.def (BT_WORD): Make unsigned.
6214 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
6215 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
6216 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
6217 * c-decl.c (grokdeclarator): Don't error if !have_tls.
6218 * c-parser.c (c_parser_omp_threadprivate): Likewise.
6219 * cgraph.c (decide_is_variable_needed): Look at force_output.
6220 Recurse for emulated tls.
6221 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
6222 checks redundant with decide_is_variable_needed.
6223 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
6224 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
6226 * expr.c (emutls_var_address): New.
6227 (expand_expr_real_1): Expand emulated tls.
6228 (expand_expr_addr_expr_1): Likewise.
6229 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
6230 * output.h (emutls_finish): Declare.
6231 * toplev.c (compile_file): Call it.
6232 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
6233 address before wrapping in CONST.
6234 * varasm.c (emutls_htab, emutls_object_type): New.
6235 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
6236 (get_emutls_object_name, get_emutls_object_type): New.
6237 (get_emutls_init_templ_addr, emutls_decl): New.
6238 (emutls_common_1, emutls_finish): New.
6239 (assemble_variable): When emulating tls, swap decls; generate
6240 constructor for the emutls objects.
6241 (do_assemble_alias): When emulating tls, swap decl and target name.
6242 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
6244 * emutls.c: New file.
6245 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
6246 tls_object for real tls.
6248 2006-10-04 Zack Weinberg <zackw@panix.com>
6250 Fix bug in constraint-check generator, reported by Rask Ingemann
6252 * genpreds.c (add_constraint): Don't remove anything from the
6254 (write_tm_constrs_h): Detect whether "op" argument is used, and
6255 mark it ARG_UNUSED if it isn't.
6256 (write_insn_const_int_ok_for_constraint): Skip the part of the
6257 expression that would test whether "op" (which is not available
6258 here) is a CONST_INT.
6260 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
6263 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
6265 2006-10-03 Geoffrey Keating <geoffk@apple.com>
6267 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
6268 current Leopard versions.
6269 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
6271 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
6273 * doc/install.texi: Fix typos.
6275 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
6277 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
6278 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
6279 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
6281 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
6283 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
6284 arg to be struct mach_header_64* instead.
6286 2006-10-02 Jakub Jelinek <jakub@redhat.com>
6289 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
6290 side effects after the outer expression's post side effects.
6292 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
6294 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
6295 comments to reflect actual behavior and relationship between
6296 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
6298 * doc/c-tree.texi (Working with declarations): Fix documentation
6299 of FIELD_DECL likewise.
6301 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
6304 * doc/extend.texi: Add used variable attribute description.
6306 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
6309 * c.opt (Woverride-init): New.
6310 * c-opts.c (c_common_post_options): Default warn_override_init to
6312 * c-typeck.c (add_pending_init, output_init_element): Warn for
6313 overriding initializers without side effects.
6314 * doc/invoke.texi (-Woverride-init): Document.
6317 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
6319 PR rtl-optimization/28096
6320 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
6321 assignment has already been used as a destination earlier in the block.
6323 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
6325 * builtins.c (expand_builtin_setjmp): Delete.
6326 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
6327 <BUILT_IN_SETJMP_SETUP>: New case.
6328 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
6329 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
6330 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
6331 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
6332 (BUILT_IN_SETJMP_RECEIVER): Likewise.
6333 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
6334 (lower_function_body): Initialize it to false. If it is set to true
6335 at the end of the processing, emit the setjmp dispatcher.
6336 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
6337 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
6338 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
6339 on the rhs of the assignment.
6340 (lower_builtin_setjmp): New function.
6341 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
6342 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
6343 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
6344 to detect calls that can go to non-local labels. Use specific
6345 helper to create the abnormal edges associated with them.
6346 <MODIFY_EXPR>: Likewise.
6347 (make_abnormal_goto_edges): New function extracted from...
6348 (make_goto_expr_edges): ...here. Call it for computed gotos.
6349 (simple_goto_p): Minor tweak.
6350 (tree_can_make_abnormal_goto): New predicate.
6351 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
6352 (tree_purge_dead_abnormal_call_edges): New function.
6353 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
6354 (tree_purge_dead_abnormal_call_edges): Likewise.
6355 (make_abnormal_goto_edges): Likewise.
6356 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
6357 Purge all dead abnormal edges if the call was in the last statement.
6358 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
6359 (execute_fixup_cfg): If there are non-local labels in the function,
6360 scan the basic blocks and split them at calls that can go to non-local
6361 labels or add missing abnormal call edges. Write down the CFG in the
6363 (pass_fixup_cfg): Remove TODO_dump_func flag.
6364 * unwind-sjlj.c: Poison setjmp.
6365 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
6366 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
6367 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
6368 (DONT_USE_BUILTIN_SETJMP): Document it.
6370 2006-09-28 Geoffrey Keating <geoffk@apple.com>
6373 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
6374 to 1 when __ppc64__ is defined.
6375 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
6377 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
6379 2006-09-28 Steve Ellcey <sje@cup.hp.com>
6381 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
6382 * config/ia64/unwind-hpux.c: Delete.
6384 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
6386 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
6387 on the element before gimplifying it, instead of punting if it is of
6390 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
6392 * doc/loop.texi: New file.
6393 * doc/gccint.texi: Reference loop.texi.
6394 * Makefile.in (loop.texi): Add.
6396 2006-09-27 Geoffrey Keating <geoffk@apple.com>
6398 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
6400 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6401 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6403 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
6405 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
6407 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
6409 * doc/install.texi: Document required versions of GMP and MPFR.
6411 2006-09-27 Paul Brook <paul@codesourcery.com>
6414 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
6416 2006-09-27 Richard Sandiford <richard@codesourcery.com>
6418 * reload1.c (alter_reg): Require the alignment of the stack slot to
6419 be at least reg_max_ref_width bytes.
6420 (scan_paradoxical_subregs): Record the largest width in
6423 2006-09-26 Jakub Jelinek <jakub@redhat.com>
6427 * tree-nested.c (struct nesting_info): Added static_chain_added.
6428 (convert_call_expr): Set static_chain_added when adding static
6429 chain. Handle OMP_PARALLEL and OMP_SECTION.
6431 2006-09-25 Matthias Klose <doko@debian.org>
6433 * doc/invoke.texi: Add missing full stop.
6435 2006-09-25 Richard Henderson <rth@redhat.com>
6437 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
6438 before cgraph_function_flags_ready.
6440 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
6441 Adam Nemet <anemet@caviumnetworks.com>
6443 * tree-ssa-loop-ivopts.c (aff_combination_convert,
6444 determine_common_wider_type): New functions.
6445 (get_computation_aff): Use them to simplify arithmetic between
6446 UBASE and CBASE if they are shortened from the same type.
6448 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
6451 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
6452 -2147483647 - 1 instead of 0x80000000.
6454 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
6456 * flags.h (HONOR_NANS): Fix typo in comment.
6458 2006-09-23 Uros Bizjak <uros@kss-loka.si>
6460 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
6462 2006-09-23 Jakub Jelinek <jakub@redhat.com>
6466 * tree.c (merge_attributes, attribute_list_contained): If both
6467 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
6469 * c-typeck.c (comptypes_internal): Don't consider aggregates
6470 in different TUs as compatible if there one set of attributes is
6471 not a subset of the other type's attributes.
6472 (composite_type): Try harder not to create a new aggregate type.
6474 2006-09-22 Geoffrey Keating <geoffk@apple.com>
6476 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
6477 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
6478 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
6479 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
6480 than replicating condition above.
6481 * config.host (i[34567]86-*-*): Always use driver-i386.o.
6483 * config/darwin.h (LINK_SYSROOT_SPEC): New.
6484 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
6485 the linker by default.
6487 2006-09-22 Mike Stump <mrs@apple.com>
6489 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
6492 2006-09-22 Richard Guenther <rguenther@suse.de>
6495 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
6496 sort of stack variables stable.
6498 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
6501 * explow.c (force_reg): Set REG_POINTER flag according to
6504 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
6506 PR tree-optimization/28888
6507 * tree-if-conv.c (combine_blocks): Rewritten.
6508 * tree-cfg.c (tree_verify_flow_info): Check that edges with
6509 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
6511 2006-09-22 Jakub Jelinek <jakub@redhat.com>
6513 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
6516 2006-09-21 Richard Sandiford <richard@codesourcery.com>
6518 * varasm.c (copy_constant): Fix reversed gcc_assert check.
6520 2006-09-21 Janis Johnson <janis187@us.ibm.com>
6522 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
6524 2006-09-21 Roger Sayle <roger@eyesopen.com>
6527 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
6528 dw_fde_current_label, to be the start of the function, i.e. the same
6529 value as dw_fde_begin.
6531 2006-09-20 Richard Sandiford <richard@codesourcery.com>
6533 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
6534 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
6535 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
6536 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
6537 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
6538 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
6539 (abs<mode>2, neg<mode>2): Likewise.
6540 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
6541 (*mips_abs_ps): New define_insn.
6543 2006-09-20 Josh Conner <jconner@apple.com>
6546 * calls.c (expand_call): Allow reuse of structure return stack
6549 2006-09-20 Paul Brook <paul@codesourcery.com>
6551 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
6554 2006-09-20 Janis Johnson <janis187@us.ibm.com>
6556 * doc/extend.texi (Decimal Float): Update for latest draft TR,
6557 clean up terminology.
6559 2006-09-20 Steve Ellcey <sje@cup.hp.com>
6562 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
6563 with tablejumps in them.
6565 2006-09-20 Jakub Jelinek <jakub@redhat.com>
6568 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
6569 wrap it into TARGET_EXPR.
6571 2006-09-20 Eric Christopher <echristo@apple.com>
6573 * config/i386/i386.c (x86_fisttp): Remove.
6574 * config/i386/i386.h (x86_fisttp): Ditto.
6575 (TARGET_FISTTP): Ditto.
6577 2006-09-19 Eric Christopher <echristo@apple.com>
6579 * doc/tm.texi (OBJC_JBLEN): Describe.
6580 * config/i386/darwin.h (OBJC_JBLEN): Define.
6581 * config/rs6000/darwin.h: Ditto.
6583 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
6585 PR rtl-optimization/21299
6586 * reload1.c (reload): Purge invalid ASMs in the final pass.
6588 2006-09-19 Steve Ellcey <sje@cup.hp.com>
6591 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
6592 pointers as legitimate constants.
6594 2006-09-19 Paul Brook <paul@codesourcery.com>
6597 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
6599 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
6601 PR tree-optimization/28887
6602 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
6603 component parts from the reference.
6604 (gather_memory_references_ref): Record the reference without the
6605 nonaddressable component parts.
6607 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
6610 * c-opts.c (c_common_handle_option): Ignore the -std options
6611 if the input language is assembly.
6613 2006-09-17 Ira Rosen <irar@il.ibm.com>
6616 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
6618 (ptr_ptr_may_alias_p): Likewise.
6619 (record_record_differ_p): New function.
6620 (base_object_differ_p): Call record_record_differ_p.
6622 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6625 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
6626 away for the expr argument.
6628 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6631 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
6632 before using it for dumping after vectorizing loops.
6634 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6635 Jack Howarth <howarth@bromo.med.uc.edu>
6638 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
6639 skip on error_mark_node.
6640 (rs6000_darwin64_record_arg_recurse): Likewise.
6642 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6644 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
6645 * doc/rtl.texi: Remove related documentation.
6647 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
6649 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
6652 2006-09-15 Jim Wilson <wilson@specifix.com>
6654 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
6655 Handle symbol offsets same as they are handled in ia64_expand_move
6658 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
6660 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
6661 Add forgotten parameter to the fprintf call.
6663 2006-09-15 Steve Ellcey <sje@cup.hp.com>
6665 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
6667 2006-09-15 Uros Bizjak <uros@kss-loka.si>
6669 * doc/contrib.texi: Add my entry.
6671 2006-09-15 Nick Clifton <nickc@redhat.com>
6673 * doc/md.texi (Processor pipeline description): Fix typo in
6674 example of how to use the absence_set directive and reword the
6675 description to make it slightly easier to read.
6677 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
6679 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
6680 * loop-doloop.c (doloop_optimize): Use it to limit costs of
6681 expanding the number of iterations.
6682 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
6684 * cfgrtl.c (emit_insn_at_entry): New function.
6685 * rtl.h (emit_insn_at_entry): Declare it.
6686 * integrate.c (emit_initial_value_sets): Use it.
6688 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
6690 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
6692 (struct loop_work and related VEC declarations): Delete.
6693 (bfin_dump_loops): Print out new member bad.
6694 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
6695 (bfin_scan_loop): Don't recurse.
6696 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
6697 loops. No longer need to update outer loops if the current one is
6698 found bad. Move some validitiy checks to bfin_discover_loop.
6699 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
6700 but changed not to check for nesting. Also changed to use the new bad
6702 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
6703 time. Use bitmap based test to discover loop nesting.
6705 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
6707 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
6710 2006-09-14 Richard Guenther <rguenther@suse.de>
6711 Kazu Hirata <kazu@codesourcery.com>
6713 PR middle-end/28884.
6714 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
6715 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
6716 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
6717 with TARGET_FUNCTION_VALUE.
6719 2006-09-14 Anatoly Sokolov <aesok@post.ru>
6722 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
6724 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
6726 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
6729 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6732 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
6735 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
6737 * basic_block.h (bb_has_eh_pred): Fix comment.
6739 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
6741 * flow.c (calculate_global_regs_live): Invalidate eh registers
6742 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
6743 (propagate_block): Handle eh registers as if they were set at basic
6745 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
6747 * global.c (global_conflicts): Make eh registers to conflict with
6748 pseudos live at basic block begin.
6749 * basic_block.h (bb_has_eh_pred): New function.
6751 2006-09-13 Richard Sandiford <richard@codesourcery.com>
6753 PR rtl-optimization/28982
6754 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
6755 index of a PRE_MODIFY or POST_MODIFY address.
6756 * reload1.c (inc_for_reload): Use find_replacement on the original
6757 base and index registers.
6759 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
6761 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
6762 for -Os. Update __m128 alignment requirement.
6764 2006-09-13 Jan Hubicka <jh@suse.cz>
6766 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
6768 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
6770 PR rtl-optimization/28243
6771 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
6772 the insn to which the note was originally attached.
6774 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
6775 Roger Sayle <roger@eyesopen.com>
6777 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
6778 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
6779 on platforms that don't use dwarf for debug info.
6781 2006-09-12 Jason Merrill <jason@redhat.com>
6784 * builtins.c (expand_builtin_setjmp_receiver): Clobber
6785 hard_frame_pointer_rtx after using it to update the frame pointer.
6787 2006-09-12 Roger Sayle <roger@eyesopen.com>
6789 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
6790 (TARGET_ASM_CLOSE_PAREN): Likewise.
6791 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
6792 (TARGET_ASM_CLOSE_PAREN): Likewise.
6794 2006-09-12 Roger Sayle <roger@eyesopen.com>
6797 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
6798 frame information for frames larger than 512 Kbytes on Tru64 when
6799 using the native assembler.
6801 2006-09-12 Roger Sayle <roger@eyesopen.com>
6805 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
6806 and symbols. Instead use the implementation from cse.c's hash_rtx.
6808 2006-09-12 Jan Hubicka <jh@suse.cz>
6810 PR rtl-optimization/28071
6811 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
6812 (vect_transform_loop): Likewise.
6813 * tree-vectorizer.c (new_loop_vec_info): Likewise.
6814 (new_loop_vec_info): Likewise.
6815 (destroy_loop_vec_info): Likewise.
6816 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
6817 (create_stmt_ann): Likewise.
6818 (create_tree_ann): Rename to ...
6819 (create_tree_common_ann): ... this one; allocate only the common part
6821 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
6822 (get_value_handle): Likewise.
6823 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
6824 get_tree_common_ann.
6825 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
6826 (vinfo_for_stmt): Use stmt annotations.
6827 * tree-flow.h (tree_ann_common_t): New type.
6828 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
6829 (tree_ann, get_tree_ann, create_tree_ann): New.
6830 * tree-flow-inline.h (get_function_ann): Do more type checking.
6831 (stmt_ann): Likewise.
6832 (tree_ann): Rename to ...
6833 (tree_common_ann): ... this one; return ony common_ann
6834 (get_tree_ann): Rename to ...
6835 (tree_common_ann): This one; return only common_ann.
6836 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
6839 2006-09-11 Geoffrey Keating <geoffk@apple.com>
6841 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
6842 with_cpu by default.
6844 * dwarf2out.c (dwarf_file_data): New.
6845 (enum dw_val_class): Add dw_val_class_file.
6846 (struct dw_val_struct): Add val_file.
6847 (file_table): Change to a hash table.
6848 (file_table_emitted): Delete.
6849 (file_table_last_lookup_index): Delete.
6850 (emitcount): Delete.
6851 (last_emitted_file): New.
6852 (lookup_filename): Change prototype to return a struct dwarf_file_data.
6853 (init_file_table): Delete.
6854 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
6855 (AT_addr): Add comment.
6859 (print_die): Handle dw_val_class_file.
6860 (print_dwarf_line_table): Update for new file table structure.
6861 (attr_checksum): Do checksum a filename.
6862 (same_dw_val_p, same_attr_p): Do compare a filename.
6863 (size_of_die): Handle dw_val_class_file.
6864 (value_format): Likewise.
6865 (output_die): Likewise. Also, call maybe_emit_file here.
6866 (struct file_info): Constify filenames. Make file_idx a pointer
6867 to a struct dwarf_file_data.
6868 (struct dir_info): Constify directory names. Remove 'used' field.
6869 (struct file_name_acquire_data): New.
6870 (file_name_acquire): New.
6871 (output_file_names): Modify to handle new file data structures.
6872 (add_src_coords_attributes): Use add_AT_file.
6873 (add_call_src_coords_attributes): Likewise.
6874 (dwarf2out_imported_module_or_decl): Likewise.
6875 (gen_subprogram_die): Modify for new file data structures.
6876 (gen_variable_die): Likewise.
6877 (file_table_eq): New.
6878 (file_table_hash): New.
6879 (file_table_last_lookup): New.
6880 (lookup_filename): Rewrite to handle new file data structures.
6881 (maybe_emit_file): Rewrite to handle new file data structures.
6882 (dwarf2out_source_line): Always call lookup_filename and
6884 (dwarf2out_init): Create file_table here.
6885 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
6886 (file_table_relative_p): New.
6887 (dwarf2out_finish): Change detection of relative filenames
6888 to work with new file data structures. Move output_line_info call
6889 after debug_info output.
6891 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
6896 * config/i386/i386.c (override_options): Always default to 16
6897 byte stack boundary.
6899 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
6902 * var-tracking.c (dump_dataflow_set): Start dumping at
6904 (clobber_variable_part): Kill only the variable part in
6905 registers holding it, leaving other variables alone.
6907 2006-09-11 Josh Triplett <josh@freedesktop.org>
6909 * doc/extend.texi (Other Builtins): Actually use the macro
6910 argument in the documentation example for
6911 __builtin_types_compatible_p.
6913 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6915 PR rtl-optimization/28726
6916 * sched-deps.c (sched_analyze_reg): New function extracted from...
6917 (sched_analyze_1): ...here. Call it to analyze references to
6918 registers. Treat again writes to a stack register as writing to the
6920 (sched_analyze_2): ...and here. Call it to analyze references to
6921 registers. Treat again reads of a stack register as reading the
6924 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
6925 David Edelsohn <edelsohn@gnu.org>
6928 * config/rs6000/spe.md (frob_df_di): Remove %H.
6929 (frob_di_df): Remove %H. Change evmergelo to mr.
6930 (frob_di_df_2): Remove %H. Change evldd to two loads.
6932 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
6934 * doc/cpp.texi: Fix names of charset options.
6936 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
6939 * config/i386/i386.c (override_options): Use 128-bit
6940 stack boundary always for 64bits.
6942 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6944 PR rtl-optimization/28636
6945 * combine.c (force_to_mode): Test for side-effects before
6946 substituting by zero.
6947 (simplify_shift_const): Likewise for zero or other constants.
6949 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
6952 * builtins.c (expand_builtin_setjmp): Force next_lab to be
6955 2006-09-10 Richard Sandiford <richard@codesourcery.com>
6958 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
6959 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
6960 returned by mode_for_size, rather than the mode of src itself,
6961 to choose between 32-bit and 64-bit patterns.
6962 (mips_mem_fits_mode_p): New function.
6963 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
6964 that the size of the source matches the size of the destination.
6965 (mov_<store>l, mov_<store>r): Likewise.
6967 2006-09-10 Eric Christopher <echristo@apple.com>
6969 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
6972 2006-09-09 Eric Christopher <echristo@apple.com>
6975 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
6978 2006-09-09 Roger Sayle <roger@eyesopen.com>
6979 Nicolas Setton <setton@adacore.com>
6981 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
6983 2006-09-10 Andreas Schwab <schwab@suse.de>
6985 * config/m68k/m68k.md (bungt_rev): New pattern.
6987 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
6988 Dale Johannesen <dalej@apple.com>
6991 * regclass.c (struct reg_pref): Update documentation.
6992 (regclass): Set prefclass to NO_REGS if memory is the best option.
6993 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6995 2006-09-08 Eric Christopher <echristo@apple.com>
6997 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
6998 * config/t-slibgcc-darwin: Support x86_64 multilib.
6999 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
7000 Return 1 for x86_64-darwin.
7001 * config/i386/t-darwin: Add m64 multilib.
7002 (LIB2_SIDITI_CONV_FUNCS): Use.
7003 (LIB2FUNCS_EXTRA): Ditto.
7004 * config/i386/darwin.h: Support x86_64.
7005 * config/i386/i386.c (override_options): Turn on flag_pic
7006 for x86_64-darwin. Disable flag_omit_pointer.
7007 (get_pc_thunk_name): Assert !TARGET_64BIT.
7008 (legitimate_address_p): Disable machopic addressing for
7010 (legitimize_pic_address): Ditto.
7011 (ix86_expand_move): Ditto.
7012 (ix86_expand_call): Ditto.
7013 (machopic_output_stub): Ditto.
7014 * config/darwin.c (machopic_select_section): Support literal16.
7015 (machopic_select_rtx_section): Ditto.
7016 * config/darwin-sections.def: Ditto.
7017 * config/darwin-64.c: New.
7019 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
7022 * c-tree.h (struct c_arg_info): Add pending_sizes.
7023 * c-parser.c (c_parser_parms_declarator,
7024 c_parser_parms_list_declarator): Initialize pending_sizes.
7025 * c-decl.c (get_parm_info): Initialize pending_sizes.
7026 (get_parm_info): Set pending_sizes.
7027 (grokdeclarator): Call put_pending_sizes for parameters for
7028 function definition only.
7030 2006-09-07 Jason Merrill <jason@redhat.com>
7033 * varasm.c (output_constant): Only strip actual no-op conversions.
7036 * config/i386/i386.c (override_options): Use 128-bit
7037 stack boundary if -msse.
7039 2006-09-07 Eric Christopher <echristo@apple.com>
7041 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
7043 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
7046 2006-09-07 Geoffrey Keating <geoffk@apple.com>
7048 * dwarf2out.c: Remove strange characters from comment above
7049 dwarf2out_frame_debug_expr.
7051 2006-09-07 Eric Christopher <echristo@apple.com>
7053 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
7054 * config/darwin.h: ... to here.
7056 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
7058 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
7060 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
7061 (TARGET_PARTIAL_FLAG_REG_STALL): New.
7063 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
7064 TARGET_PARTIAL_FLAG_REG_STALL.
7065 (*ashldi3_cconly_rex64): Likewise.
7066 (*ashlsi3_cmp): Likewise.
7067 (*ashlsi3_cconly): Likewise.
7068 (*ashlsi3_cmp_zext): Likewise.
7069 (*ashlhi3_cmp): Likewise.
7070 (*ashlhi3_cconly): Likewise.
7071 (*ashlqi3_cmp): Likewise.
7072 (*ashlqi3_cconly): Likewise.
7073 (*ashrdi3_cmp_rex64): Likewise.
7074 (*ashrdi3_cconly_rex64): Likewise.
7075 (*ashrsi3_cmp): Likewise.
7076 (*ashrsi3_cconly): Likewise.
7077 (*ashrsi3_cmp_zext): Likewise.
7078 (*ashrhi3_cmp): Likewise.
7079 (*ashrhi3_cconly): Likewise.
7080 (*ashrqi3_cmp): Likewise.
7081 (*ashrqi3_cconly): Likewise.
7082 (*lshrdi3_cmp_rex64): Likewise.
7083 (*lshrdi3_cconly_rex64): Likewise.
7084 (*lshrsi3_cmp): Likewise.
7085 (*lshrsi3_cconly): Likewise.
7086 (*lshrsi3_cmp_zext): Likewise.
7087 (*lshrhi3_cmp): Likewise.
7088 (*lshrhi3_cconly): Likewise.
7089 (*lshrqi2_cmp): Likewise.
7090 (*lshrqi2_cconly): Likewise.
7092 2006-09-07 Uros Bizjak <uros@kss-loka.si>
7095 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
7096 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
7097 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
7098 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
7099 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
7100 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
7101 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
7102 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
7103 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
7104 implement only CC setting effects of shift instructions.
7106 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
7108 * doc/contrib.texi: Add myself.
7110 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
7113 * stor-layout.c (relayout_decl): Don't zero the alignment if it
7114 was set by the user.
7116 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
7119 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
7120 (divsi_inv_m1): Use them.
7121 (UNSPEC_DIV_INV_TABLE): New constant.
7123 2006-09-06 James E Wilson <wilson@specifix.com>
7126 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
7127 then call count_or_remove_death_notes.
7129 2006-09-06 Jason Merrill <jason@redhat.com>
7132 * tree-inline.c (copy_result_decl_to_var): New fn.
7133 (declare_return_variable): Use it. Call declare_inline_vars here.
7134 (expand_call_inline): Not here.
7136 2006-09-06 Diego Novillo <dnovillo@redhat.com>
7138 * doc/contrib.texi: Update my entry.
7140 2006-09-06 Nick Clifton <nickc@redhat.com>
7142 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
7144 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
7147 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
7148 (canonicalize_induction_variables): Likewise.
7149 (tree_unroll_loops_completely): Likewise.
7150 (tree_ssa_prefetch_arrays): Likewise.
7151 (remove_empty_loops): Likewise.
7152 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
7153 TODO_cleanup_cfg instead of directly calling
7154 cleanup_tree_cfg_loop.
7155 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
7157 (tree_unroll_loops_completely): Likewise.
7158 (remove_empty_loops): Likewise.
7159 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
7160 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
7161 of tree_ssa_unswitch_loops.
7162 (tree_ssa_loop_ivcanon): Use the return value of
7163 canonicalize_induction_variables.
7164 (tree_ssa_empty_loop): Use the return value of
7166 (tree_complete_unroll): Use the return value of
7167 tree_unroll_loops_completely.
7168 (tree_ssa_loop_prefetch): Use the return value of
7169 tree_ssa_prefetch_arrays.
7170 * passes.c (execute_todo): Before Cleanup CFG, set
7171 updating_used_alone and after cleanup CFG, call
7172 recalculate_used_alone.
7174 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
7177 * tree-vect-transform.c (vectorizable_condition): Move the check
7178 for the type after the check for simple condition.
7180 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
7181 Kaz Kojima <kkojima@gcc.gnu.org>
7184 * mode-switching.c (optimize_mode_switching): Make the destination
7185 block of an abnormal edge have no anticipatable mode. Don't
7186 insert mode switching code at the end of the source block of
7189 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
7191 PR rtl-optimization/26847
7192 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
7193 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
7194 (simplify_plus_minus): Count n_constants while filling ops. Replace
7195 qsort with insertion sort. Before going through the array to simplify
7196 pairs, sort it. Delay early exit until after the first sort, exiting
7197 only if no swaps occurred. Simplify pairs in reversed order, without
7198 special-casing the first iteration. Pack ops after simplifying pairs.
7200 2006-09-05 Anatoly Sokolov <aesok@post.ru>
7202 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
7203 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7204 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7205 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
7207 2006-09-05 Richard Guenther <rguenther@suse.de>
7209 PR tree-optimization/28900
7210 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
7211 compound conditional before creating COND_EXPR condition.
7213 2006-09-05 Richard Guenther <rguenther@suse.de>
7215 PR tree-optimization/28905
7216 * tree-vrp.c (fix_equivalence_set): Manually implement
7217 !value_ranges_intersect_p to also handle symbolic ranges.
7219 2006-09-05 Richard Guenther <rguenther@suse.de>
7222 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
7225 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7227 PR rtl-optimization/27616
7228 * cse.c (table_size): New static variable.
7229 (new_basic_block): Initialize it to 0.
7230 (remove_from_table): Decrement it.
7231 (insert): Increment it.
7232 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
7233 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
7234 fold_rtx_mem_1 if under the cap.
7235 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
7236 the lookup of the equivalent expression and test for equality of the
7237 first operand of the equivalent expression before in turn looking up
7238 an equivalent constant for the second operand.
7240 2006-09-02 Geoffrey Keating <geoffk@apple.com>
7243 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7244 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7245 pointer, instead of assuming it is possible to derive the
7246 correct args size from a call insn.
7248 2006-09-02 Jakub Jelinek <jakub@redhat.com>
7251 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
7252 (fold_builtin_mempcpy): Rename to...
7253 (fold_builtin_memory_op): ... this. Optimize one element copy
7255 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
7257 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
7258 (expand_builtin_memcpy, expand_builtin_mempcpy,
7259 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
7260 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
7261 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
7262 BUILT_IN_MEM{CPY,PCPY,MOVE}.
7264 2006-09-01 DJ Delorie <dj@redhat.com>
7266 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
7267 (stzx_16): Likewise.
7268 ("stzx_24_<mode>"): Likewise.
7269 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
7270 ("cmp<mode>_op"): New.
7271 (cmp<mode>): Change to expander; just save operands.
7273 (b<code>): Change to expander, emit compare here.
7274 (s<code>_op): Change to use split and expander.
7275 (s<code>_24_op): Likewise.
7276 (s<code>_<mode>): New.
7277 (s<code>_<mode>_24): New.
7278 (movqicc_<code>_<mode): New.
7279 (movhicc_<code>_<mode>): New.
7282 * config/m32c/m32c.c (compare_op0, compare_op1): New.
7283 (m32c_pend_compare): New.
7284 (m32c_unpend_compare): New.
7285 (m32c_expand_scc): New.
7286 (m32c_expand_movcc): Emit the compare also.
7287 * config/m32c/predicates.md (mra_nopp_operand): New.
7289 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
7290 Richard Guenther <rguenther@suse.de>
7291 Adam Nemet <anemet@caviumnetworks.com>
7294 * builtins.c (get_pointer_alignment): Handle more forms
7295 of base addresses that can be used to derive more precise
7296 information about alignment.
7298 2006-09-01 Jason Merrill <jason@redhat.com>
7301 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
7304 * gimplify.c (voidify_wrapper_expr): Handle null type.
7306 2006-09-01 Josh Conner <jconner@apple.com>
7309 * tree-nrv.c (dest_safe_for_nrv_p): New function.
7310 (execute_return_slot_opt): Use it.
7312 2006-08-31 Josh Conner <jconner@apple.com>
7315 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
7316 returning aggregates.
7318 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
7320 PR tree-optimization/28839
7321 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
7322 blocks in that phi arguments appear.
7324 2006-08-31 Roger Sayle <roger@eyesopen.com>
7327 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
7328 NULL, otherwise use an advance_loc4 to adjust relative to the
7330 (output_cfi) <DW_CFA_set_loc>: Update the current label.
7331 (dwarf2out_switch_text_section): Reset the current label to avoid
7332 using advance_loc4 over section boundaries.
7334 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
7337 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
7338 r12 + SYMBOLIC_CONST.
7340 2006-08-30 Richard Guenther <rguenther@suse.de>
7342 * Makefile.in (see.o): Add $(EXPR_H) dependency.
7344 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
7346 PR rtl-optimization/27735
7347 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
7348 Add new argument to keep track of whether an irreducible region
7349 was affected. All callers changed.
7350 (fix_irreducible_loops): Removed.
7351 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
7352 flags were invalidated.
7354 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
7356 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
7357 instead of SF operands.
7358 (*fop_df_comm_sse): Likewise.
7359 (*fop_df_comm_i387): Likewise.
7360 (*fop_df_1_mixed): Likewise.
7361 (*fop_df_1_sse): Likewise.
7363 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
7364 J"orn Rennecke <joern.rennecke@st.com>
7366 PR tree-optimization/17506
7367 * tree-ssa.c (warn_uninit): If warning about a location outside of
7368 the current function, note where the variable was declared.
7370 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
7372 PR tree-optimization/28411
7373 * double-int.c (double_int_div): Use double_int_divmod.
7374 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
7375 double_int_mod, double_int_smod, double_int_umod): New functions.
7376 * double-int.h (double_int_divmod, double_int_sdivmod,
7377 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
7379 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
7381 (get_computation_aff, get_computation_cost_at): Handle double_int
7382 return type of constant_multiple_of.
7384 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
7387 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
7388 an implicit conversion.
7390 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
7392 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
7394 2006-08-27 Roger Sayle <roger@eyesopen.com>
7396 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
7399 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
7401 * config/i386/crtfastmath.c: Fix a comment typo.
7403 2006-08-26 Roger Sayle <roger@eyesopen.com>
7405 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
7406 temporary visit flags on CASE_LABEL_EXPRs.
7407 * c-common.c (match_case_to_enum): Add function comment. Avoid
7408 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
7409 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
7410 CASE_HIGH_SEEN for enumerated types. If the switch expression is
7411 a constant, only warn if that constant value isn't handled.
7413 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
7416 * input.h (restore_input_file_stack): Declare.
7417 (INPUT_FILE_STACK_BITS): Define.
7418 * toplev.c (fs_p, input_file_stack_history,
7419 input_file_stack_restored, restore_input_file_stack): New.
7420 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
7421 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
7422 (pop_srcloc): Don't free old state of stack.
7424 2006-08-26 David Edelsohn <edelsohn@gnu.org>
7427 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
7428 (PowerPC Type Attributes): New.
7430 2006-08-26 Bob Wilson <bob.wilson@acm.org>
7432 * config/xtensa/xtensa.c (function_arg_boundary): New.
7433 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
7435 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
7436 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
7438 2006-08-26 Jakub Jelinek <jakub@redhat.com>
7441 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
7444 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7446 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
7447 (verify_local_live_at_start): Likewise.
7449 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7452 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
7453 omp_add_variable): Treat sizes as variable whenever not
7456 2006-08-26 Richard Guenther <rguenther@suse.de>
7459 * fold-const.c (fold_binary): Fold temporary to correct
7460 type before constructing new comparison.
7462 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
7465 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
7466 variable again if DECL_SEEN_IN_BIND_EXPR_P.
7468 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7471 * c-decl.c (start_function): Don't try to process prototype
7472 information from old declaration that isn't a function.
7474 2006-08-25 Jan Hubicka <jh@suse.cz>
7477 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
7479 2006-08-25 Alan Modra <amodra@bigpond.net.au>
7482 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
7485 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
7487 PR tree-optimization/16876
7488 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
7489 exit if PARM doesn't match VALUE.
7491 2006-08-25 Bob Wilson <bob.wilson@acm.org>
7493 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
7494 literal_prefix directive.
7495 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
7496 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7497 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7499 2006-08-25 David Edelsohn <edelsohn@gnu.org>
7502 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
7503 predicate to general_operand. Add 0->y and I->r alternatives.
7505 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
7507 * doc/tm.texi: Fix a typo.
7508 * predict.c: Fix comment typos.
7510 2006-08-25 Nick Clifton <nickc@redhat.com>
7512 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
7513 assertions of "cpu" and "machine".
7515 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
7518 * tree-ssa-operands.c (access_can_touch_variable): Don't say
7519 the access through a base which has an alias set of 0 cannot
7522 2006-08-24 Bill Wendling <wendling@apple.com>
7524 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
7526 2006-08-24 Jan Hubicka <jh@suse.cz>
7528 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
7530 2006-08-24 Jan Hubicka <jh@suse.cz>
7533 * cgraph.c: Fix comments.
7534 (cgraph_varpool_mark_needed_node): Mark only variables not already
7536 * cgraphunit.c: Update comments; include gt-cgraphunit.h
7537 (cgraph_varpool_assembled_nodes_queue): New static variable.
7538 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
7539 (cgraph_varpool_output_debug_info): New function.
7540 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
7541 * Makefile.in: Add gt-cgraphunit.h
7543 2006-08-24 Jan Hubicka <jh@suse.cz>
7545 * predict.c (probability_reliable_p): New predicate.
7546 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
7547 (predict_loops): Do not predict loop exit with less than 2%
7549 * basic-block.h (edge_probability_reliable_p,
7550 br_prob_note_reliable_p): Declare.
7551 * ia64.h (ia64_print_operand): Do not disable on-chip branch
7552 prediction when static predictor is not reliable.
7553 * rs6000.c (output_cbranch): Likewise.
7555 2006-08-23 Stuart Hastings <stuart@apple.com>
7558 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
7559 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
7561 2006-08-21 Geoffrey Keating <geoffk@apple.com>
7564 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
7565 complex values, nor for generic vector values.
7567 2006-08-22 Richard Guenther <rguenther@suse.de>
7570 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
7571 parameter. Convert arguments to arithmetic expression to the
7573 (analyze_scalar_evolution_1): Adjust caller.
7575 2006-08-22 Jan Hubicka <jh@suse.cz>
7577 Patch by Paolo Bonzini
7578 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
7581 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
7583 PR tree-optimization/28003
7584 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
7585 before grouping aliases.
7587 2006-08-22 Roger Sayle <roger@eyesopen.com>
7589 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
7590 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
7592 2006-08-21 Jason Merrill <jason@redhat.com>
7595 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
7596 wrapper. Loop to handle nested wrappers.
7597 (gimplify_bind_expr): Remove temp parameter.
7598 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
7599 and STATEMENT_LIST on the rhs.
7600 (gimplify_statement_list): Voidify the STATEMENT_LIST.
7601 (gimplify_expr): Pass pre_p to gimplify_statement_list.
7602 (gimplify_target_expr): Remove special BIND_EXPR handling.
7604 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
7606 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
7609 2006-08-21 Olivier Hainque <hainque@adacore.com>
7611 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
7612 Arrange for the temporary captures of components overlapping the lhs
7613 to happen before the lhs is possibly cleared.
7615 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
7617 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
7618 necessary places to pass the correct "number of registers" values
7621 2006-08-20 Jan Hubicka <jh@suse.cz>
7623 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
7624 (create_name_tags): Instead of quadratic checking use hashtable.
7625 * bitmap.h: Include hashtab.h.
7626 (bitmap_hash): Declare.
7627 * bitmap.c (bitmap_hash): New function.
7629 2006-08-20 Jan Hubicka <jh@suse.cz>
7631 PR rtl-optimization/28071
7632 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
7634 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
7635 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
7636 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
7637 cgraph_decide_inlining_incrementally): Update use of
7638 cgraph_check_inline_limits.
7639 * cgraph.c (edge_hash, edge_eq): New function.
7640 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
7641 cgraph_edge_remove_caller, cgraph_node_remove_callees,
7642 cgraph_remove_node): Maintain call site hash.
7643 * cgraph.h (struct cgraph_node): Add call_site_hash.
7644 (cgraph_set_call_stmt): New function.
7646 2006-08-20 Jan Hubicka <jh@suse.cz>
7648 PR rtl-optimization/28071
7649 * reload1.c (reg_has_output_reload): Turn into regset.
7650 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
7651 choose_reload_regs, emit_reload_insns): Update to new
7652 reg_has_output_reload.
7654 2006-08-20 Jan Hubicka <jh@suse.cz>
7657 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
7658 function body sizes.
7659 * cgraphunit.c (cgraph_analyze_function): Don't do so.
7661 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
7664 * tree.c (handle_dll_attribute): Return early if not a
7665 var or function decl.
7667 2006-08-18 Joseph Myers <joseph@codesourcery.com>
7670 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
7671 alignment of SPE vector types.
7673 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
7675 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
7677 2006-08-17 Jakub Jelinek <jakub@redhat.com>
7680 * cgraph.h (struct cgraph_node): Remove externally_visible
7682 * cgraphunit.c (process_function_and_variable_attributes): Set
7683 local.externally_visible rather than externally_visible.
7686 * c-common.c (handle_externally_visible_attribute): First look
7687 at TREE_CODE and only if it is function or var decl, check for
7688 non-public objects. Don't warn for DECL_EXTERNAL.
7689 * cgraphunit.c (process_function_and_variable_attributes): Warn
7690 if externally_visible attribute is used on non-public object.
7692 2006-08-17 Jan Hubicka <jh@suse.cz>
7694 PR tree-optimization/27865
7695 * reload1.c (forget_marked_reloads): New function.
7696 (forget_old_reloads_1): When data are passed, just mark the registers
7698 (reload_as_needed): Use the new mechanizm.
7700 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
7703 * reload.h (reg_equiv_alt_mem_list): New declaration.
7704 * reload1.c (reg_equiv_alt_mem_list): New definition.
7705 (reload): Initialize it and release it.
7706 (delete_output_reload): Use it.
7707 * reload.c (push_reg_equiv_alt_mem): New function.
7708 (find_reloads_toplev): Call it.
7709 (find_reloads_address, find_reloads_address_1): Likewise.
7710 (find_reloads_subreg_address): Likewise.
7712 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7714 PR rtl-optimization/28489
7715 * sched-ebb.c (begin_schedule_ready): Create basic block
7717 (advance_target_bb): Skip empty blocks.
7718 * haifa-sched.c (bb_note): Make global.
7719 * sched-int.h (bb_note): Add prototype.
7721 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7723 PR tree-optimization/27865
7724 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
7726 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
7727 fold_used_pointer, pointer_used_p): New functions.
7728 (analyze_scalar_evolution_1): Use fold_used_pointer.
7729 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
7730 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
7733 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
7736 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
7737 or the INTEGER_CST. Fail on a CALL_EXPR.
7738 (fold_offsetof): Pass new argument to fold_offsetof_1.
7739 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
7740 operand into an INDIRECT_REF.
7741 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
7743 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7745 PR gcov/profile/26570
7746 * value-prof.c (static_values): Removed.
7747 (tree_find_values_to_profile): Do not set static_values.
7748 (find_values_to_profile): Do not free static_values.
7749 * profile.c (instrument_values): Do not free the values.
7750 (branch_prob): Free the values.
7752 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
7754 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
7756 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
7759 * c-typeck.c (build_component_ref): Combine qualifiers of
7760 structure or union and field.
7762 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7764 PR rtl-optimization/28071
7765 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
7766 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
7767 * tree-into-ssa.c (struct dom_dfsnum): New.
7768 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
7770 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
7771 compute_global_livein.
7772 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
7773 in phi nodes in the correct blocks.
7775 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7777 PR tree-optimization/28364
7778 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
7780 (fold_affine_expr): New function.
7781 (may_eliminate_iv): Use fold_affine_expr.
7783 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7786 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
7789 2006-08-16 Mike Stump <mrs@apple.com>
7791 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
7792 * doc/cppopts.texi (-MD): Likewise.
7794 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
7797 * c-common.c (handle_weak_attribute): Ignore and warn if
7798 not a FUNCTION_ or VAR_DECL.
7800 2006-07-15 Mike Stump <mrs@apple.com>
7803 * c-parser.c (c_parser_typeof_specifier): Don't use
7804 c_finish_expr_stmt, open code desired semantics instead.
7806 2006-08-15 Nick Clifton <nickc@redhat.com>
7808 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
7809 fragment to tmake_file only if threads are enabled.
7810 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
7811 * config/i386/t-gthr-win32: New file. ... here.
7813 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7816 * c-parser.c (c_parser_compound_statement_nostart): Reset
7817 parser->error after each statement.
7819 2006-08-15 Jakub Jelinek <jakub@redhat.com>
7822 * omp-low.c (lower_omp_parallel): Convert t to
7823 receiver_decl's type.
7824 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
7825 source before comparison.
7828 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
7829 to itype in assignment to oldival2.
7831 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
7835 * c-typeck.c (build_compound_expr): If the second expression
7836 is an error mark, then just return an error mark instead of
7837 creating a COMPOUND_EXPR.
7839 2006-07-14 Mike Stump <mrs@apple.com>
7841 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
7843 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
7845 * c-decl.c, var-tracking.c: Fix comment typos.
7847 2006-08-14 Richard Sandiford <richard@codesourcery.com>
7849 PR rtl-optimization/28634
7850 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
7851 for floating-point modes unless flag_unsafe_math_optimizations.
7853 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
7854 Andrew Pinski <pinskia@physics.uc.edu>
7857 * tree.c (build_array_type): Unify array types with
7858 unspecified index_type.
7859 * c-decl.c (grokdeclarator): Make sure we do not modify a
7860 unified incomplete array type.
7861 * c-typeck.c (store_init_value): Create distinct type before
7862 filling in the index type in an initializer from a compound
7865 * c-decl.c (grokdeclarator): Remove code where we copy the
7868 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
7870 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
7871 into account for TODO_dump_cgraph.
7872 (TODO_update_ssa_no_phi): Likewise.
7873 (TODO_update_ssa_full_phi): Likewise.
7874 (TODO_update_ssa_only_virtuals): Likewise.
7875 (TODO_remove_unused_locals): Likewise.
7876 (TODO_set_props): Likewise.
7877 (TODO_update_stmt_usage): Likewise.
7879 2006-08-13 Dirk Mueller <dmueller@suse.de>
7881 * c-common.c (strict_aliasing_warning): Fix formatting.
7883 2006-08-13 Matthias Klose <doko@debian.org>
7885 * doc/invoke.texi: Fix spelling errors.
7887 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7889 PR rtl-optimization/23454
7890 * reorg.c (relax_delay_slots): Update comment.
7892 2006-08-11 Richard Guenther <rguenther@suse.de>
7895 * simplify-rtx.c (simplify_const_relational_operation):
7896 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
7899 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
7901 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
7902 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
7904 2006-08-10 Paul Brook <paul@codesourcery.com>
7906 * final.c (final_scan_insn): Clear current_insn_predicate before
7907 outputting inline asm.
7909 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
7911 PR tree-optimization/26197
7912 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
7913 get_ref_base_and_extent and overlap_subvar to add only relevant
7914 subvars as may-aliases.
7915 (add_may_alias_for_new_tag): New function, factored out of
7917 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
7918 with additional argument.
7919 * tree-flow.h (new_type_alias): Takes additional argument.
7921 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
7923 * gcov.c (no_data_file): New flag.
7924 (read_count_file): Set it if data file not present. Assume counts
7926 (output_lines): Don't name the data file, if there wasn't one.
7928 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
7930 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
7931 (rs6000_generate_compare): Tweak comments.
7932 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
7934 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
7936 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
7937 (var_debug_decl): New function.
7938 (var_reg_set): Follow debug decl link. Add location even if
7939 reg is already known to hold some other variable.
7940 (var_mem_set): Follow debug decl link.
7941 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
7942 decl link. Delete other known locations of the variable part
7944 (var_reg_delete, var_mem_delete): Delete other known locations
7945 of the variable part if requested.
7946 (same_variable_part_p): New function.
7947 (add_stores): Select MO_COPY when appropriate.
7948 (vt_initialize): Handle it.
7949 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
7950 known locations for MO_SET and MO_CLOBBER.
7951 (find_variable_location_part): New function.
7952 (set_variable_part, delete_variable_part): Use it.
7953 (clobber_variable_part): New function.
7954 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
7957 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
7959 PR tree-optimization/26969
7960 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
7961 with an empty list of PHIs.
7963 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
7967 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
7970 2006-08-06 Andreas Schwab <schwab@suse.de>
7972 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
7973 string. Whitespace and comment fixup.
7975 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7978 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
7982 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
7985 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
7987 2006-08-04 Jan Hubicka <jh@suse.cz>
7991 * reload.c (push_reload): Patch out the mismatching instruction;
7993 (find_reload): Bail out if the instruction was patched out.
7995 2006-08-04 Jan Hubicka <jh@suse.cz>
7997 PR tree-optimization/24888
7998 * tree-inline.c (expand_call_inline): Do not re-record variables.
7999 (declare_inline_vars): Add variable to unexpanded_var_list.
8001 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8002 Roger Sayle <roger@eyesopen.com>
8004 PR rtl-optimization/26244
8005 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
8006 inner_const are negative or greater than or equal to the bitsize of
8007 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
8008 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
8009 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
8010 CONST0_RTX (mode) when the new shift count is greater than or equal to
8011 to the bitsize of the object being shifted and XEXP (y, 0) has no side
8014 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
8016 * tree-cfg.c: Fix a comment typo.
8018 2006-08-03 Mark Mitchell <mark@codesourcery.com>
8021 * varasm.c (output_constant): Give the front end another chance to
8022 expand constants, after stripping NOPs.
8024 2006-08-03 Jan Hubicka <jh@suse.cz>
8026 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
8029 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
8031 PR tree-optimization/27770
8032 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
8033 declaration removed (moved to tree-flow.h).
8034 (vect_can_force_dr_alignment_p): Likewise.
8035 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
8036 (moved from tree-vectorizer.h).
8037 (vect_can_force_dr_alignment_p): Likewise.
8038 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
8039 from outside the vectorizer - in particular from cgraph stage.
8040 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
8041 the alignment of global arrays when -fsection-anchors is enabled.
8042 * cgraphunit.c (cgraph_increase_alignment): New function.
8043 (cgraph_optimize): Call cgraph_increase_alignment.
8045 2006-08-03 David Edelsohn <edelsohn@gnu.org>
8048 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
8049 not reload a SPE symbol_ref into a lo_sum address.
8051 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
8054 * dwarf2out.c (prune_unused_types_prune): Move call to
8055 prune_unused_types_update_strings to cover the parent DIE also.
8057 2006-08-02 Jan Hubicka <jh@suse.cz>
8059 PR gcov/profile/28480
8060 * tree-cfg.c (change_bb_for_stmt): New function.
8061 (tree_merge_blocks, tree_split_blocks): Use it.
8063 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8069 * toplev.c (compile_file): Return early on errorcount or sorrycount.
8070 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
8071 (cgraph_optimize): Likewise.
8073 2006-08-01 Stuart Hastings <stuart@apple.com>
8075 * rtl.h (UINTVAL) New.
8076 * config/rs6000/rs6000.c (SMALL_INT) Use it.
8077 * testsuite/gcc.dg/20060801-1.c: New.
8079 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
8082 * c-typeck.c (build_external_type): Mark used enum types.
8083 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
8085 (gen_subprogram_die): Whitespace fix.
8087 2006-08-01 Jan Hubicka <jh@suse.cz>
8089 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
8090 bitmap when not needed.
8091 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
8094 2006-08-01 Dirk Mueller <dmueller@suse.de>
8096 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
8098 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8100 * Makefile.in: Revert part of previous patch:
8101 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
8104 2006-07-30 Eric Christopher <echristo@apple.com>
8107 * doc/extend.texi (i386 Variable Attributes): Add anchor.
8108 (PowerPC Variable Attributes): New section.
8110 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
8112 PR target/28126 (partial fix)
8113 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
8115 2006-07-28 Jan Hubicka <jh@suse.cz>
8117 PR rtl-optimization/28071
8118 * cfgrtl.c (rtl_delete_block): Free regsets.
8119 * flow.c (allocate_bb_life_data): Re-use regsets if available.
8121 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8123 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
8124 and variables used in dependencies.
8126 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
8128 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
8129 %fs for -mcmodel=kernel.
8130 (stack_tls_protect_test_di): Likewise.
8132 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
8134 * Makefile.in: Use mkinstalldirs.
8136 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
8139 * opts-common.c (prune_options): Skip joined switches.
8141 2006-07-27 Jan Hubicka <jh@suse.cz>
8143 PR rtl-optimization/28071
8144 * cselib.c (cselib_process_insn): Don't remove useless values too
8145 often for very large hashtables.
8147 2006-07-27 Jan Hubicka <jh@suse.cz>
8149 PR rtl-optimization/28071
8150 * global.c (greg_obstack): New obstack.
8151 (allocate_bb_info): Use it.
8152 (free_bb_info): Likewise.
8153 (modify_reg_pav): Likewise.
8155 2006-07-27 Roger Sayle <roger@eyesopen.com>
8157 * builtins.c (fold_fixed_mathfn): When long and long long are the
8158 same size, canonicalize llceil*, llfloor*, llround* and llrint*
8159 functions to their lceil*, lfloor*, lround* and lrint* forms.
8161 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8164 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
8166 (rev_branch_insn): Likewise.
8168 2006-07-27 Jan Hubicka <jh@suse.cz>
8170 PR rtl-optimization/28071
8171 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
8172 (reg_set_in_bb, max_reg_computed): New static variables.
8173 (regmove_optimize): Free the new array.
8174 (fixup_match_1): Update call of reg_is_remote_constant_p.
8176 2006-07-26 Jan Hubicka <jh@suse.cz>
8178 PR tree-optimization/27882
8179 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
8181 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
8183 (cgraph_analyze_compilation_unit): Likewise.
8184 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
8185 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
8186 (cgraph_early_inlinine): Make order garbage collected.
8187 * Makefile.in (gt-ipa-inline): New garbagecollected file.
8189 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
8191 * dbxout.c (output_types_sort): Add a comment.
8192 (output_used_types): Free the VEC.
8194 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
8196 * function.c (reorder_fix_fragments): Delete.
8197 (reorder_blocks): Don't call it.
8198 (reorder_blocks_1): Put all subblocks under the origin block.
8200 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
8202 PR rtl-optimization/27907
8203 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
8206 2006-07-25 Roger Sayle <roger@eyesopen.com>
8209 * convert.c (convert_to_integer): When transforming (T)foo(x) into
8210 bar(x) check that bar's result type can represent all the values of T.
8212 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
8214 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
8216 2006-07-25 Nick Clifton <nickc@redhat.com>
8218 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
8219 size_lookup[] array.
8220 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
8221 (ggc_pch_count_object): Likewise.
8222 (ggc_pch_alloc_object): Likewise.
8223 (ggc_pch_write_object): Likewise.
8224 (init_ggc): Do not attempt to initialize entries in the
8225 size_lookup[] array for objects whose size is greater than than
8226 the length of the array.
8228 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
8230 * dbxout.c (output_used_types_helper): Push queued types
8232 (output_types_sort): New.
8233 (output_used_types): Collect used types on a VEC and sort them
8236 2006-07-24 Richard Guenther <rguenther@suse.de>
8239 * cgraph.c (cgraph_remove_node): Do not check if dumps
8241 * cgraphunit.c (cgraph_optimize): Likewise.
8243 2006-07-24 Jan Hubicka <jh@suse.cz>
8245 PR rtl-optimization/28071
8246 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
8247 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
8248 splitting before first stmt.
8250 2006-07-24 Jan Hubicka <jh@suse.cz>
8252 PR rtl-optimization/28071
8253 * ipa-inline.c (update_caller_keys): Remove edges that
8254 are no longer inline candidates.
8256 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
8259 * dbxout.c (output_used_types_helper, output_used_types): New.
8260 (dbxout_symbol): Call output_used_types.
8262 2006-07-23 Jan Hubicka <jh@suse.cz>
8266 * cgraph.c (cgraph_varpool_nodes): Export.
8267 (decide_is_variable_needed): Ignored "used" attribute in
8268 unit-at-a-time mode.
8269 * cgraph.h (cgraph_varpool_nodes): Declare.
8270 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
8271 unit-at-a-time mode.
8273 2006-07-23 Roger Sayle <roger@eyesopen.com>
8276 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
8277 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
8278 the __gthrw form of thr_keycreate.
8279 (__gthread_key_delete): Silence the unused argument warning.
8281 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
8284 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
8285 Cache the last found '\0' marker to avoid quadratic behavior.
8287 2006-07-23 Jan Hubicka <jh@suse.cz>
8289 * i386.md (subsi_3_zext): Fix output template.
8291 2006-07-21 Mike Stump <mrs@apple.com>
8293 * doc/invoke.texi (C++ Dialect Options): Note that
8294 -fvisibility-inlines-hidden doesn't affect explicitly
8295 instantiationed inline methods.
8297 2006-07-20 Roger Sayle <roger@eyesopen.com>
8299 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
8300 if the target assembler is GNU binutils' gas.
8301 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
8302 whether to pass GNU gas or native as command line options.
8304 2006-07-20 Jason Merrill <jason@redhat.com>
8306 * tree.c (remove_attribute): New fn.
8307 * tree.h: Declare it.
8309 2006-07-20 Paul Brook <paul@codesourcery.com>
8312 * cse.c (cse_insn): Add destination addresses to hash table. Check if
8313 they are invalidated by this instruction.
8315 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
8318 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
8320 2006-07-20 Eric Christopher <echristo@apple.com>
8323 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
8325 2006-07-19 Eric Christopher <echristo@apple.com>
8327 * config/t-slibgcc-darwin (stmp-lipo): Remove.
8328 Rewrite dependencies for libgcc_s.1.dylib.
8330 2006-07-19 Jakub Jelinek <jakub@redhat.com>
8332 * except.c (duplicate_eh_regions_1): Clear next_peer.
8334 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
8336 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
8337 -mlongcall does not guarantee all calls will be long.
8338 * doc/extend.texi (long_call/short_call): Document that longcall
8339 does not guarantee a long call will be used.
8340 (longcall/shortcall): Likewise.
8342 2006-07-18 Roger Sayle <roger@eyesopen.com>
8345 * expmed.c (expand_shift): Additionally check that the shift_cost
8346 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
8347 before implementing a LSHIFT_EXPR as a sequence of additions.
8348 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
8349 middle-end that DImode shifts need to be synthesized by expand.
8351 2006-07-18 Diego Novillo <dnovillo@redhat.com>
8354 * tree-ssa-operands.c (access_can_touch_variable): Update
8356 Return true if ALIAS is .GLOBAL_VAR.
8358 2006-07-18 David Daney <ddaney@avtrex.com>
8360 * gcc.c (display_help): Fix typo in help text.
8362 2006-07-18 Olivier Hainque <hainque@adacore.com>
8364 * tree.h (categorize_ctor_elements): Adjust prototype and add
8365 descriptive comment, both in accordance with the interface change
8367 * varasm.c (constructor_static_from_elts_p): New function.
8368 Whether a constructor node is a valid static constant initializer
8369 if all its elements are.
8370 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
8371 * output.h: Declare it.
8372 * expr.c (categorize_ctor_elements_1): Return whether the constructor
8373 is a valid constant initializer instead of computing the number of
8374 non-constant elements. Use constructor_static_from_elts_p for this
8375 purpose. Replace the head comment with an indication that this is a
8376 helper for categorize_ctor_elements.
8377 (categorize_ctor_elements): Same interface change as for the _1
8378 helper. Former head comment from this helper moved here, adjusted to
8379 account for the interface changes.
8380 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
8381 (all_zeros_p): Likewise.
8382 * gimplify.c (gimplify_init_constructor): Decide whether we can make
8383 static versions of the constructor from the categorize_ctor_elements
8384 return value instead of the formerly computed number of non-constant
8387 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
8389 * configure: Regenerate.
8390 * Makefile.in (build_libsubdir): New configure substitution
8391 (build_libobjdir): New variable.
8392 (BUILD_LIBIBERTY): Use it.
8394 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8397 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
8399 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
8402 * c-common.c (handle_weakref_attribute): Ignore attribute in
8403 the same conditions the alias attribute is ignored.
8405 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
8407 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
8408 (dbxout_begin_prologue): Increment scope_labelno.
8410 2006-07-17 Richard Henderson <rth@redhat.com>
8413 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
8416 2006-07-17 Roger Sayle <roger@eyesopen.com>
8417 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8419 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
8420 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
8421 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
8422 functions such as sbrk, write, etc.. Add function prototypes.
8423 Convert function declarations from K&R to ISO C. Cast pointers
8424 to "long" and "unsigned long" instead of "int" and "unsigned int".
8425 Convert tokens following #endif into comments.
8427 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
8429 * invoke.texi: Remove mention of f77; Reformat table for
8430 inline parameter options correctly; mention that -malign-double
8431 is default on x86-64 targets.
8433 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
8435 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
8436 (convert_affine_scev, chrec_convert_aggressive): Use
8437 avoid_arithmetics_in_type_p. Do not check for the subtypes
8440 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8443 * optabs.c (expand_doubleword_shift): Wrap the call to
8444 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
8446 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8449 * optabs.c (expand_binop): Pass next_methods rather than methods
8450 to expand_doubleword_shift.
8452 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
8455 * tree.h (dump_addr): Declare.
8456 * print-tree.c (dump_addr): New function.
8457 (print_node_brief, print_node): Use it.
8458 * print-rtl.c (print_rtx): Likewise.
8459 * common.opt (-fdump-noaddr): New option.
8460 * doc/invoke.texi (-fdump-noaddr): Document.
8461 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
8462 (ve_info_hash): Likewise.
8464 2006-07-13 Andrew Haley <aph@redhat.com>
8466 PR tree-optimization/19505
8467 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
8468 edge leaving this block, make sure that the destination of this
8469 block has only one predecessor.
8471 2006-07-17 Richard Guenther <rguenther@suse.de>
8473 PR tree-optimization/28238
8474 * tree-inline.c (copy_bb): Check if we produced valid
8475 gimple copying and substituting a stmt. If not, gimplify
8478 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
8480 * optabs.c (maybe_encapsulate_block): New function extracted from...
8481 (emit_libcall_block): ...here. Invoke it on the block of insns to
8482 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
8483 (emit_no_conflict_block): Likewise.
8485 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8487 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
8489 2006-07-15 Roger Sayle <roger@eyesopen.com>
8491 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
8492 a new NOP_EXPR case of the switch statement.
8494 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
8497 * stor-layout.c (place_field): Take the bit field with
8498 an excessive size into account in the ms-bitfiled case.
8501 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
8502 the previous bit field.
8504 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
8507 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
8509 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8511 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
8512 signal frames correctly even when the signal was installed with
8515 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
8517 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
8518 (dbxout_function_end): Use local label LFBB. Remove hook
8520 (dbxout_source_line): Use local label LFBB.
8521 (dbxout_block): Likewise.
8522 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
8523 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
8524 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
8525 and DBX_OUTPUT_NFUN.
8527 2006-07-13 Janis Johnson <janis187@us.ibm.com>
8529 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
8531 2006-07-13 Jan Hubicka <jh@suse.cz>
8533 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
8535 * output.h (align_variable): Declare.
8536 * varasm.c (align_variable): Export.
8537 * value-prof.c (tree_value_profile_transformations): Recompute iterator
8538 when basic block changed.
8540 2006-07-13 Nick Clifton <nickc@redhat.com>
8542 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
8543 walking the LOG_LINKS chain.
8545 2006-07-12 Geoffrey Keating <geoffk@apple.com>
8547 * doc/invoke.texi (C++ Dialect Options): Explain difference
8548 between -fvisibility-inlines-hidden and setting hidden
8549 visibility explicitly.
8551 2006-07-12 Eric Christopher <echristo@apple.com>
8553 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
8554 (stmp-lipo): Depend on libgcc.a.
8556 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
8558 * tree.c: Fix a comment typo.
8560 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
8562 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
8564 (umulhisi3_r): Likewise.
8566 2006-07-12 Paolo Carlini <pcarlini@suse.de>
8569 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
8570 x < 19, vs wchar_t support.
8572 2006-07-12 Nick Clifton <nickc@redhat.com>
8574 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
8575 instead of -isa=sh4.
8577 2006-07-12 Mike Stump <mrs@apple.com>
8579 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
8581 2006-07-10 Eric Christopher <echristo@apple.com>
8583 * config/t-slibgcc-darwin: Rewrite.
8585 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
8588 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
8591 2006-07-08 Matthias Klose <doko@debian.org>
8593 * doc/sourcebuild.texi: Fix typo.
8595 2006-07-07 Mike Stump <mrs@apple.com>
8597 * toplev.c (process_options): Don't give -ffunction-sections may
8598 affect debugging warning for Mach-O.
8600 2006-07-07 James E Wilson <wilson@specifix.com>
8602 * config/mips/mips.md (cpu): Add sb1a.
8603 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
8604 addition to sb1. Adjust comments to clarify SB-1A differences from
8606 (ir_sb1a_load): New. Modify bypasses to use it.
8607 (ir_sb1a_simple_alu): Likewise.
8608 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
8609 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
8610 (mips_issue_rate): Add PROCESSOR_SB1A.
8611 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
8612 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
8613 (TARGET_SB1): Add PROCESSOR_SB1A check.
8614 (TUNE_SB1): Likewise.
8616 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
8617 * config/mips/mips.c (mips_store_data_bypass_p): New.
8618 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
8619 store_data_bypass_p.
8621 2006-07-08 Paul Brook <paul@codesourcery.com>
8624 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
8626 2006-07-07 Richard Guenther <rguenther@suse.de>
8629 * tree.h (build_one_cst): Declare.
8630 * tree.c (build_one_cst): New function.
8631 * tree-ssa-math-opts.c (get_constant_one): Remove.
8632 (insert_reciprocals): Use build_one_cst.
8633 * fold-const.c (fold_plusminus_mult): Likewise.
8635 2006-07-07 Roger Sayle <roger@eyesopen.com>
8637 * pointer-set.c (pointer_set_destroy): Correct whitespace.
8638 * cfgloopanal.c (dump_graph): Likewise.
8639 * dojump.c (discard_pending_stack_adjust): Likewise.
8640 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
8642 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
8643 * function.c (finalize_block_changes): Likewise.
8644 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
8645 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
8646 * rtl.c (dump_rtx_statistics): Likewise.
8647 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
8649 * varray.c (dump_varray_statistics): Likewise.
8650 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
8651 decode_decimal64, encode_decimal128, decode_decimal128,
8652 decimal_real_to_decimal): Likewise.
8654 2006-07-07 Richard Guenther <rguenther@suse.de>
8656 PR tree-optimization/28187
8657 * tree-vrp.c (vrp_operand_equal_p): New function.
8658 (vrp_bitmap_equal_p): Likewise.
8659 (update_value_range): Use them to compare old and new
8662 2006-07-06 Roger Sayle <roger@eyesopen.com>
8664 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
8665 a default case to switch statement to silence compiler warnings.
8667 2006-07-06 Roger Sayle <roger@eyesopen.com>
8670 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
8671 the configured assembler supports the x87's ffreep mnemonic.
8672 * configure: Regenerate.
8673 * config.in: Regenerate.
8675 * config/i386/i386.c (output_387_ffreep): New function.
8676 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
8677 (output_387_reg_move): Likewise.
8679 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
8681 Port to hosts whose 'sort' and 'tail' implementations
8682 treat operands with leading '+' as file names, as POSIX
8683 has required since 2001. However, make sure the code still
8684 works on pre-POSIX hosts.
8685 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
8686 which says you should use "tail -c +N" rather than "tail +Nc".
8687 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
8689 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
8691 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
8694 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8697 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
8698 PRE_{INC,DEC} of TFmode.
8700 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8701 Alan Modra <amodra@bigpond.net.au>
8704 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
8707 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8710 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
8711 Remove duplicate gtu.
8713 2006-07-05 Jason Merrill <jason@redhat.com>
8717 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
8718 * c-common.c (handle_packed_attribute): So don't copy it here.
8719 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
8721 2006-07-05 Mike Stump <mrs@apple.com>
8723 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
8725 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
8728 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
8730 2006-07-05 Richard Guenther <rguenther@suse.de>
8733 * config/i386/i386.md (*negdf2_1): Restrict pattern to
8734 TARGET_SSE2 targets if using SSE math.
8735 (*absdf2_1): Likewise.
8737 2006-07-05 Richard Guenther <rguenther@suse.de>
8739 PR tree-optimization/28162
8740 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
8741 make sure to convert the operands to the correct type.
8743 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
8745 PR tree-optimization/28218
8747 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
8748 to calculate and free the dominator information.
8750 2006-07-04 Peter O'Gorman <peter@pogma.com>
8752 * mklibgcc.in: chmod 644 before ranlib during install.
8754 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
8755 J"orn Rennecke <joern.rennecke@st.com>
8757 * configure.ac (.eh_frame data check): Use diff -b.
8759 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8762 * Makefile.in (BUILD_RTL): Add build/vec.o.
8763 (build/gencondmd.o): Filter out -fkeep-inline-functions.
8764 (build/genextract): Delete.
8765 (build/genautomata): Likewise.
8767 2006-07-04 Alan Modra <amodra@bigpond.net.au>
8770 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
8771 128-bit IBM long doubles for ABI_V4.
8773 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
8775 * tree.c (range_in_array_bounds_p): New predicate.
8776 * tree.h (range_in_array_bounds_p): Declare it.
8777 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
8778 return a less conservative answer.
8779 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
8780 and flag 'is_group'.
8781 (IS_ELEMENT_FOR_GROUP): New macro.
8782 (FOR_EACH_ACTUAL_CHILD): Likewise.
8783 (next_child_for_group): New helper function.
8784 (can_completely_scalarize_p): Take into account groups.
8785 (sra_hash_tree): Handle RANGE_EXPR.
8786 (sra_elt_eq): Likewise.
8787 (lookup_element): Be prepared for handling groups.
8788 (is_valid_const_index): Delete.
8789 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
8790 instead of is_valid_const_index.
8791 <ARRAY_RANGE_REF>: New case.
8792 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
8793 is_valid_const_index.
8794 <ARRAY_RANGE_REF>: Do not unconditionally punt.
8795 (scan_dump): Dump info for groups too.
8796 (decide_instantiation_1): Likewise.
8797 (decide_block_copy): Assert that the element is not a group.
8798 Propagate decision to groups.
8799 (generate_one_element_ref): Handle RANGE_EXPR.
8800 (mark_no_warning): Iterate over actual childs.
8801 (generate_copy_inout): Likewise.
8802 (generate_element_copy): Likewise.
8803 (generate_element_zero): Likewise.
8804 (generate_element_init_1): Likewise.
8805 (dump_sra_elt_name): Handle RANGE_EXPR.
8807 2006-07-03 Roger Sayle <roger@eyesopen.com>
8809 PR tree-optimization/26251
8810 * tree-ssa-threadupdate.c (redirection_block_p): New function.
8811 (thread_block): When optimizing for size refuse to thread jumps
8812 that would require duplication of blocks other than redirection
8815 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
8817 * configure.ac: Fix thinko in previous check-in.
8818 * configure: Regenerate.
8820 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
8823 * configure.ac (for lang...): Simplify nesting of conditionals.
8824 Test subdir_requires for non-enabled languages. Move processing
8825 of lang_opt_files and lang_tree_fiels below that test.
8826 * configure: Regenerate.
8827 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
8829 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
8831 * doc/gcov.texi (Invoking Gcov): Add a missing word.
8833 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
8835 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
8838 2006-06-29 Jason Merrill <jason@redhat.com>
8845 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
8846 * c-common.c (c_determine_visibility): Handle it here.
8847 * c-decl.c (finish_decl): Call c_determine_visibility for
8849 * flags.h (enum symbol_visibility): Sort from most to least visibility.
8851 * varasm.c (default_assemble_visibility): Likewise.
8852 * c-common.c (handle_visibility_attribute): Complain about trying
8853 to give visibility to an already defined class, or trying to change
8854 declared visibility. Always attach the attribute.
8859 * attribs.c (decl_attributes): Ignore type-in-place attributes
8860 once the type has been defined.
8862 2006-06-29 Roger Sayle <roger@eyesopen.com>
8865 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
8866 to indicate the cpplib has issued an error message for us.
8868 2006-06-29 Asher Langton <langton2@llnl.gov>
8871 * config/i386/i386.c (ix86_output_function_epilogue): Don't
8872 insert a label at the end of an function under Mach-O.
8874 2006-06-29 Eric Christopher <echristo@apple.com>
8875 Evan Cheng <evan.cheng@apple.com>
8877 * predicates.md (vector_all_ones_operand): New.
8878 (nonimmediate_or_sse_const_operand): Ditto.
8879 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
8880 * config/i386/i386.c (standard_sse_constant_opcode): Define.
8881 (standard_sse_mode_p): Ditto.
8882 (standard_sse_constant_p): Add case for -1 vector.
8883 (ix86_expand_vector_move): Try to use.
8884 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
8885 Call standard_sse_constant_opcode.
8886 (*movv4sf_internal): Ditto.
8887 (*movv2df_internal): Ditto.
8889 2006-06-29 Roger Sayle <roger@eyesopen.com>
8891 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
8892 of XEXP to extract the operands of a MATCH_CODE rtx.
8894 2006-06-28 Andrew Pinski <pinskia@gmail.com>
8896 * tree.c (tree_size): Do not waste tail padding in
8897 struct tree_string and make the size be the same as
8898 build_string will generate.
8900 2006-06-28 Jason Merrill <jason@redhat.com>
8903 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
8904 may_aliases already in the tag's annotations to the bitmap.
8906 2006-06-28 Roger Sayle <roger@eyesopen.com>
8908 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
8910 2006-06-28 Roger Sayle <roger@eyesopen.com>
8912 * genpreds.c (generate_switch_p): New function.
8913 (add_mode_tests): Push the new mode test down inside an AND expr
8914 if this allows the switch-suitable MATCH_CODE to be near the root.
8915 (write_match_code_switch): New function to write a MATCH_CODE as
8917 (write_predicate_stmts): New function to write a predicate RTX
8918 expression as a sequence of statements.
8919 (write_one_predicate_function): Use write_predicate_stmts.
8920 (write_tm_constrs_h): Likewise.
8922 2006-06-26 Fred Fish <fnf@specifix.com>
8924 * config/mips/t-sb1: New file.
8925 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
8928 2006-06-26 DJ Delorie <dj@redhat.com>
8930 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
8932 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
8933 Jayant Sonar <jayants@kpitcummins.com>
8934 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
8936 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
8937 (subsi3, subsi3_1, subsi3_2): New.
8938 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
8939 * config/m32c/mov.md (SI mov peephole): New.
8940 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
8941 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
8943 2006-06-26 Olivier Hainque <hainque@adacore.com>
8945 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
8946 a CALL_EXPR target function declaration.
8948 2006-06-26 Richard Guenther <rguenther@suse.de>
8950 * tree.c (build_string): Do not waste tail padding in
8953 2006-06-26 Richard Guenther <rguenther@suse.de>
8955 * ggc-page.c (init_ggc): Add missing element to size_lookup
8959 2006-06-23 Richard Guenther <rguenther@suse.de>
8961 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
8962 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
8963 alignment requests instead. Add verification code.
8964 Add struct tree_function_decl and struct tree_binfo size to
8965 extra_order_size_table. Add missing element to size_lookup
8968 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
8971 * fold-const.c (const_binop): Be prepared for self returning zero.
8972 Simplify code handling complex values.
8974 2006-06-24 Olivier Hainque <hainque@adacore.com>
8976 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
8977 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
8980 2006-06-24 Olivier Hainque <hainque@adacore.com>
8982 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
8983 ARRAY_REF, so have the callback called for the low bound expression.
8985 2006-06-23 Janis Johnson <janis187@us.ibm.com>
8987 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
8988 * c-typeck.c (c_common_type): Disallow operations on decimal float
8989 types and other float types.
8990 * convert.c (convert_to_real): Don't ignore conversions involving
8991 decimal float types.
8993 2006-06-23 Olivier Hainque <hainque@adacore.com>
8995 * tree.c (max_int_size_in_bytes): New function, inspired from
8996 code in function.c:assign_temp.
8997 * tree.h (max_int_size_in_bytes): Declare.
8998 * function.c (assign_temp): Use it.
8999 * gimplify.c (create_tmp_var): Relax the assertions on the type
9000 properties, not mandating constant size any more.
9001 (force_constant_size): New static function.
9002 (gimple_add_tmp_var): Use it, forcing variable size to a
9003 constant upper bound if it is not constant on entry.
9005 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
9008 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
9009 for initialization and setting of one_only flag to ...
9010 (i386_pe_encode_section_info): ...here.
9011 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
9012 Recheck that the symbol has not been defined.
9014 2006-06-23 Richard Guenther <rguenther@suse.de>
9016 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
9017 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
9018 alignment requests instead. Add verification code.
9019 Add struct tree_function_decl and struct tree_binfo size to
9020 extra_order_size_table. Add missing element to size_lookup
9023 2006-06-22 Roger Sayle <roger@eyesopen.com>
9024 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9027 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
9028 call to lang_hooks.types.type_for_mode returned NULL_TREE.
9030 2006-06-23 Ben Elliston <bje@au.ibm.com>
9032 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
9033 negate dn -- manipulate it directly.
9035 2006-06-22 Roger Sayle <roger@eyesopen.com>
9036 Steven Bosscher <stevenb.gcc@gmail.com>
9039 * reload1.c (gen_reload): Call mark_jump_label on the new insns
9040 generated by gen_move_insn to add REG_LABEL notes if necessary.
9042 2006-06-22 Bob Wilson <bob.wilson@acm.org>
9044 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
9045 (leaf_entry): Remove use of MIN_ESA.
9047 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
9049 PR rtl-optimization/28121
9050 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
9053 2006-06-21 DJ Delorie <dj@redhat.com>
9055 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
9057 (mulhisi3_r): Likewise.
9059 2006-06-21 Richard Sandiford <richard@codesourcery.com>
9062 * coverage.c (coverage_counter_alloc): Leave the index type
9064 (coverage_counter_alloc): Use null arguments for operands 2 and 3
9067 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
9069 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
9070 section from the "Options for Code Generation Conventions".
9072 2006-06-21 Richard Henderson <rth@redhat.com>
9076 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
9078 (global_symbolic_operand): Allow weak symbols, even if local_p.
9080 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
9082 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
9083 (find_interesting_uses_address): Punt if above function returns true.
9085 2006-06-21 Richard Guenther <rguenther@suse.de>
9087 * configure: Regenerated.
9089 2006-06-21 Joseph Myers <joseph@codesourcery.com>
9091 * config/mips/mips.c (function_arg): Where one part of a
9092 complex argument is in registers and the other part in the stack,
9093 return a REG not a PARALLEL.
9095 2006-06-21 Mark Mitchell <mark@codesourcery.com>
9097 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
9098 when cross-compiling. Do not substitute libstdcxx_incdir.
9099 * configure: Regenerated.
9101 2006-06-21 Jakub Jelinek <jakub@redhat.com>
9103 * varasm.c (mergeable_string_section): Check for embedded NULs and
9104 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
9105 rather than TREE_STRING_LENGTH bytes.
9107 2006-06-21 Richard Guenther <rguenther@suse.de>
9109 * ggc-page.c (extra_order_size_table): Add var_ann_d,
9110 tree_ssa_name, bitmap_element and phi_node with 4 arguments
9113 2006-06-21 Richrad Guenther <rguenther@suse.de>
9115 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
9116 Limit iteration over the dominators.
9118 2006-06-20 Roger Sayle <roger@eyesopen.com>
9120 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
9121 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
9123 2006-06-20 Richard Guenther <rguenther@suse.de>
9124 Michael Matz <matz@suse.de>
9126 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
9128 * alloc-pool.c (free_alloc_pool_if_empty): New function.
9129 * et-forest.h (et_free_pools): Prototype new function.
9130 * et-forest.c (et_free_tree_force): Free parent occurrence.
9131 (et_free_pools): New function.
9132 * dominance.c (free_dominance_info): Free et-forest alloc
9135 2006-06-20 Roger Sayle <roger@eyesopen.com>
9137 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
9138 integer modes, attempt to directly construct an integer constant.
9140 * fold-const.c (native_encode_vector): Determine the size of each
9141 element from the vector type instead of the first vector element.
9143 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
9144 if all of its elements/components are constant.
9145 (build_constructor_from_list): Likewise.
9147 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
9149 PR tree-optimization/27331
9150 * tree-data-ref.c (free_data_ref): New function.
9151 (create_data_ref): Fail if the data reference has unknown access
9153 (free_data_refs): Use free_data_ref.
9155 2006-06-19 Andrew Pinski <pinskia@gmail.com>
9158 * tree-inline.c (setup_one_parameter): Strip useless
9159 type conversion before adding it to the IR.
9160 (declare_return_variable): Likewise.
9162 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
9165 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
9167 2006-06-19 Mike Stump <mrs@apple.com>
9169 * tree.c (variably_modified_type_p): VM arguments don't make the
9172 2006-06-19 Richard Guenther <rguenther@suse.de>
9174 * tree-ssa-pre.c (try_combine_conversion): Strip useless
9175 type conversions after folding.
9177 2006-06-19 Richard Guenther <rguenther@suse.de>
9179 * ggc-page.c (extra_order_size_tab): Add entries with
9180 size of struct function and basic_block.
9181 (size_lookup): Extend to cover sizes up to 511.
9182 (ggc_alloc_stat): Adjust user.
9183 (ggc_pch_count_object): Likewise.
9184 (ggc_pch_alloc_object): Likewise.
9185 (ggc_pch_write_object): Likewise.
9187 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
9189 * tree-ssa-loop-niter.c (implies_ge_p): New function.
9190 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
9193 2006-06-19 Denis Chertykov <denisc@overta.ru>
9195 * config/avr/libgcc.S : Correct my wrong previous commit.
9197 2006-06-19 Roger Sayle <roger@eyesopen.com>
9200 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
9201 have stripped a SUBREG from the shift count, so we may need to
9202 convert_to_mode back to the type's mode before calling make_tree.
9203 Use new_amount instead of amount to avoid expanding a tree twice.
9205 2006-06-19 Richard Guenther <rguenther@suse.de>
9208 * fold-const.c (operand_equal_p): Check if the argument types
9209 have the same precision before stripping NOPs.
9211 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
9213 Fix PR tree-optimization/27341
9214 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
9216 * tree-complex.c (pass_lower_complex): Update SMT usage.
9218 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
9220 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
9221 Add a new alternative to the constraint strings. Add move of
9222 operand 1 to 3 to the splitter definition.
9223 ("doloop_si_long"): Second contraint alternative removed.
9225 2006-06-08 Anatoly Sokolov <aesok@post.ru>
9227 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
9228 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
9230 (AVR_HAVE_MOVW) Define.
9231 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
9232 (ASM_SPEC): Add avr25.
9233 (LINK_SPEC): Add avr25.
9234 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
9235 (base_arch_s): Add new member 'have_movw_lpmx'.
9236 (avr_arch_types): Init 'have_movw_lpmx'.
9237 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
9238 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
9239 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
9240 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
9241 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
9243 (avr_file_start): Do not output '.arh' derective.
9244 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
9245 (__do_copy_data): Use __AVR_HAVE_LPMX__.
9246 * config/avr/avr.md (mcu_enhanced): Delete.
9247 (mcu_have_movw): Define.
9248 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
9249 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
9250 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
9251 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
9252 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
9253 attiny861 and at86rf401 devices.
9255 2006-06-18 Jie Zhang <jie.zhang@analog.com>
9257 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
9260 2006-06-17 Karl Berry <karl@gnu.org>
9262 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
9263 doc/gccint.texi, doc/install.texi (@dircategory): Use
9264 "Software development" instead of "Programming", following
9265 the Free Software Directory.
9267 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
9269 * config/i386/i386.c (legitimate_tls_address)
9270 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
9271 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
9272 (*tls_dynamic_gnu2_combine_64): Likewise.
9274 2006-06-16 Richard Guenther <rguenther@suse.de>
9277 * fold-const.c (negate_expr_p): Do not introduce undefined
9278 overflow in negating INTEGER_CSTs.
9279 (fold_negate_expr): Rename from negate_expr. Revert last
9280 change for folding BIT_NOT_EXPR. Change semantics to
9281 return NULL_TREE for non-simplified negations. Do not
9282 strip type conversions and unify type handling.
9283 (negate_expr): New function, wrap around fold_negate_expr
9284 but ensure building a tree always. Strip type conversions
9285 here, fold to result type.
9286 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
9288 2006-06-16 Roger Sayle <roger@eyesopen.com>
9291 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
9292 that (would) return their results in stack registers.
9294 2006-06-16 Michael Matz <matz@suse.de>
9295 Richard Guenther <rguenther@suse.de>
9297 * fold-const.c (fold_truthop): Only return new tree node if
9298 we canonicalized something.
9300 2006-06-16 Richard Guenther <rguenther@suse.de>
9302 * function.h (enum function_frequency): Move declaration
9303 out of struct function.
9304 (struct function): Move bool fields and the enum to the bitfield
9305 section. Reorder elements to avoid padding. Remove unused
9306 fields left over from the RTL inliner removal.
9307 * function.c (free_after_compilation): Do not zero removed fields.
9308 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
9309 (ipa-type-escape.o): Likewise.
9311 2006-06-16 Richard Guenther <rguenther@suse.de>
9313 * cgraph.h (struct cgraph_local_info): Turn bool elements
9315 (struct cgraph_node): Likewise.
9316 (struct cgraph_varpool_node): Likewise.
9318 2006-06-15 Richard Guenther <rguenther@suse.de>
9320 * fold-const.c (fold_truth_not_expr): Rename from
9321 invert_truthvalue. Give it fold_* semantics to avoid
9323 (invert_truthvalue): New function. Wrapper around
9324 fold_truth_not_expr.
9325 (optimize_minmax_comparison): Avoid creating garbage.
9326 (fold_unary): Use fold_truth_not_expr for folding
9328 (fold_ternary): Replace uses of invert_truthvalue with
9329 fold_truth_not_expr where applicable.
9330 * tree.h (fold_truth_not_expr): Prototype.
9332 2006-06-16 Richard Guenther <rguenther@suse.de>
9334 PR tree-optimization/27781
9335 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
9336 * ipa-pure-const.c (target.h): Include.
9337 (analyze_function): Do not analyze functions that do not
9340 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
9343 * tree-dfa.c (referenced_vars_dup_list): Remove.
9344 (find_referenced_vars): Remove assert.
9345 (referenced_var_check_and_insert): Replace dup list with assert.
9346 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
9347 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
9349 2006-06-15 Richard Guenther <rguenther@suse.de>
9351 * tree-ssa-structalias.c (alias_get_name): Avoid creating
9352 extra unused identifiers if not dumping.
9353 (create_variable_info_for): Likewise.
9355 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
9357 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
9358 (derive_constant_upper_bound): Derive more precise upper bound in
9359 common cases. Return type changed to double_int.
9360 (record_estimate): Reflect the changed return type of
9361 derive_constant_upper_bound.
9362 * double-int.c (double_int_zext, double_int_sext): Fix.
9364 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
9366 * configure.ac (CFLAGS): Get them from the toplevel or from the
9367 configure invocation.
9368 * configure: Regenerate.
9369 * Makefile.in (CFLAGS): Substitute value provided by configure.
9371 2006-06-14 Mark Mitchell <mark@codesourcery.com>
9374 * c-common.h (c_finish_omp_atomic): Adjust declaration.
9375 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
9376 rather than calling add_stmt on it.
9377 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
9379 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
9382 * reload1.c (reload): Remove registers returned by update_eliminables
9383 from used_spill_regs.
9385 2006-06-13 DJ Delorie <dj@redhat.com>
9387 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
9389 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
9391 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
9392 html__strip_dir, html__mkdir_p. Enhance install-html target.
9393 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
9394 * configure: Regenerate.
9396 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
9398 * fold-const.c (fold_cond_expr_with_comparison): Check for
9399 Objective-C++ as language in deciding COND_EXPR transformation.
9401 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
9404 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
9405 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
9406 * config/sh/lib1funcs.h (SL, SL1): Define.
9407 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
9408 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
9409 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
9410 (OBJS_Os_4_200): New variable.
9411 ($(T)libgcc-Os-4-200.a): Use it.
9412 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
9413 when dividing 1 and/or by 0.
9415 2006-06-13 Roger Sayle <roger@eyesopen.com>
9417 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
9418 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
9419 * configure: Regenerate.
9421 2006-06-13 Jie Zhang <jie.zhang@analog.com>
9423 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
9424 for real instruction.
9426 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9429 * haifa-sched.c (check_cfg): Handle special case.
9431 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
9434 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
9435 Add debug_info parameter. Chain the vars to the BLOCK instead
9436 of the BIND_EXPR if debug info are requested for them.
9437 (pop_gimplify_context): Adjust for above change.
9438 (gimple_add_tmp_var): Likewise.
9439 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
9441 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
9442 (convert_local_reference): Likewise.
9443 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
9444 (finalize_nesting_tree_1): Request that debug info be emitted
9445 for debug_var_chain.
9447 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9449 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
9450 for PR target/27863.
9452 2006-06-13 Richard Guenther <rguenther@suse.de>
9455 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
9457 2006-06-13 Richard Guenther <rguenther@suse.de>
9459 PR tree-optimization/27830
9460 * tree-inline.c (copy_body_r): For copying the operand
9461 of an ADDR_EXPR make sure to fold &* afterwards.
9463 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
9465 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
9466 lvalues in the fb_none case with side-effects.
9468 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
9470 * tree-flow.h: Remove the prototype for
9471 compute_phi_arg_on_exit.
9472 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
9473 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
9476 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
9478 * builtins.c (expand_builtin_return_addr): Only use
9479 frame_pointer_rtx when count == 0 and we are expanding
9480 __builtin_return_address.
9482 2006-06-12 Fred Fish <fnf@specifix.com>
9484 * config/mips/mips.c (mips_file_start): Create special section
9485 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
9487 2006-06-11 Eric Christopher <echristo@apple.com>
9490 * stor-layout.c (place_field): Remove check for
9491 remaining_in_alignment when aligning at the end of a run.
9493 2006-06-11 Eric Christopher <echristo@apple.com>
9496 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
9499 2006-06-11 Roger Sayle <roger@eyesopen.com>
9502 Revert incorrect fix for PR target/27158
9503 2006-05-08 Roger Sayle <roger@eyesopen.com>
9504 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9505 of a reg_equiv_constant if the result is a legitimate constant.
9507 2006-06-11 Roger Sayle <roger@eyesopen.com>
9510 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
9511 extract a CONST_VECTOR element and interpret it as an integer.
9512 (vspltis_constant): Use const_vector_elt_as_int instead of the
9513 macro CONST_VECTOR_ELT in order to handle FP vector modes.
9514 * config/rs6000/predicates.md (easy_vector_const): Consider
9515 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
9517 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
9520 * stor-layout.c (update_alignment_for_field): Don't add extra
9521 alignment for packed non-bitfield fields in ms_bitfield_layout_p
9524 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
9526 * config/mips/t-rtems: Add EL/EB multilib variants.
9528 2006-06-09 Mike Stump <mrs@apple.com>
9530 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
9532 2006-06-09 David Daney <ddaney@avtrex.com>
9534 * doc/install.texi: Add binutils version recommendation for mips-*-*.
9536 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
9538 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
9540 2006-06-09 Richard Guenther <rguenther@suse.de>
9542 PR tree-optimization/26998
9543 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
9544 of signed types, only TYPE_MIN_VALUE is special, but for both,
9545 minimum and maximum value. Likewise VR_ANTI_RANGE is special
9546 in this case, as is -fwrapv.
9548 2006-06-08 Mike Stump <mrs@apple.com>
9551 * config/darwin.c (darwin_asm_output_anchor): Disable
9552 -fsection-anchors on darwin for now.
9553 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
9554 * rs6000/rs6000.c (optimization_options): Likewise.
9556 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9559 * config/i386/i386.c (classify_argument): Skip fields with invalid
9562 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
9564 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
9565 (cse_insn): Likewise for the stack_pointer_rtx.
9567 2006-06-08 Roger Sayle <roger@eyesopen.com>
9569 * tree-ssa-dom.c (record_conditions): Only record "unordered"
9570 conditions from floating point comparisons.
9572 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
9575 * expmed.c (struct alg_hash_entry): Fix type of field T
9576 to match synth_mult argument.
9577 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
9579 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9582 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
9585 2006-06-08 Richard Guenther <rguenther@suse.de>
9588 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
9589 only, if overflow is defined and not trapping.
9590 (negate_expr): Likewise.
9592 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9594 PR tree-optimization/27872
9595 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
9596 flag on the new exit edge of the unrolled loop.
9598 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9600 PR rtl-optimization/26449
9601 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
9603 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
9606 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
9607 referenced_variables with matching DECL_UID's.
9608 (find_referenced_vars): Make sure duplicate list is empty to start.
9609 (referenced_var_p): Remove.
9610 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
9611 Check if var is in the list, and add if needed. Update the duplicate
9612 list if a different var is in the list with the same DECL_UID.
9613 (add_referenced_var): Call routine to check and insert.
9614 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
9615 * tree-flow.h (referenced_vars_dup_list): External declaration.
9617 2006-06-07 Fred Fish <fnf@specifix.com>
9619 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
9622 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
9625 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
9626 the imaginary and real parts of a clobbered register.
9627 Emit insn to set the imaginary part.
9629 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
9631 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
9632 in lieu of unwind-dw2-fde.c.
9634 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
9636 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
9638 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
9641 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
9642 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
9643 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
9644 V4SImode temporaries and operations instead.
9646 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
9648 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
9651 2006-06-06 Mike Stump <mrs@apple.com>
9653 * Makefile.in: Rename to htmldir to build_htmldir to avoid
9654 installing during build.
9656 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9658 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
9660 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9661 * config/ia64/ia64.c (params.h): New header.
9662 (ia64_optimization_options): New function to adjust parameters.
9663 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
9664 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
9665 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
9667 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
9669 * stor-layout.c (debug_rli): Fix a typo in a debug message.
9671 2006-06-05 Steve Ellcey <sje@cup.hp.com>
9674 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
9676 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
9677 Victor Kaplansky <victork@il.ibm.com>
9679 PR tree-optimization/26360
9680 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
9683 2006-06-04 Roger Sayle <roger@eyesopen.com>
9684 Andrew Pinski <pinskia@physics.uc.edu>
9687 * c-common.c (c_common_truthvalue_conversion): Explicitly check
9688 for LABEL_DECL before calling DECL_WEAK.
9691 * c-typeck.c (build_binary_op): Likewise, explicitly check for
9692 LABEL_DECL and PARM_DECL.
9694 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
9698 * c-decl.c (grokdeclarator): Disallow variably modified types at
9699 file scope. Avoid marking shared array type of constant size as
9702 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9705 * c-common.c (fold_offsetof_1): Handle static members.
9707 2006-06-04 Eric Christopher <echristo@apple.com>
9709 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
9710 (debug_rli): Output value for remaining_in_alignment.
9711 (update_alignment_for_field): Unconditionalize
9712 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
9713 extra alignment code.
9714 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
9715 ms_bitfield_layout_p code. Rewrite handling of structure fields.
9716 * tree.h (record_layout_info_s): Remove prev_packed.
9717 * doc/extend.texi (ms_struct): Add documentation of format.
9719 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
9721 * tree.h: Declare folding_initializer.
9722 * builtins.c (fold_builtin_constant_p): Give definite answer
9723 if folding inside an initializer.
9724 * fold-const.c: Define folding_initializer.
9725 (START_FOLD_INIT): Save and then set folding_initializer.
9726 (END_FOLD_INIT): Restore folding_initializer.
9728 2006-06-04 Richard Guenther <rguenther@suse.de>
9730 PR tree-optimization/27039
9731 * fold-const.c (fold_comparison): Handle pointer comparison
9732 again for all comparison codes. Compare offsets in signed
9734 (fold_binary): Move code from here.
9736 2006-06-03 Roger Sayle <roger@eyesopen.com>
9739 * config/i386/i386.c (construct_container): Split static issued_error
9740 flag into issued_sse_arg_error, issued_sse_ret_error and
9741 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
9742 requires the use of x87 registers and the user explicitly
9743 specified the -mno-80387 command line option.
9745 2006-06-02 Geoffrey Keating <geoffk@apple.com>
9747 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
9748 HAVE_DECL_SIGALTSTACK.
9750 (segv_handler): Use MC_FLD.
9751 * configure.ac: Check for a sigaltstack declaration.
9752 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
9753 * configure: Regenerate.
9754 * config.in: Regenerate.
9756 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
9759 * Makefile.in (stmp-fixinc): Fix typo.
9761 2006-06-02 Roger Sayle <roger@eyesopen.com>
9763 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
9764 are type correct. Clean-up.
9765 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
9766 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
9768 2006-06-01 DJ Delorie <dj@redhat.com>
9770 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
9771 shift, as we've disabled the "switch" insn that needs it.
9773 2006-06-01 Per Bothner <bothner@bothner.com>
9775 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
9776 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
9777 * c-ppoutput.c (cb_define): Don't increment line 0.
9779 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
9781 * doc/invoke.texi: Add cpu_type power6.
9782 * config.gcc: Add cpu_type power6.
9783 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
9784 to power5+ with Altivec.
9785 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
9786 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
9788 2006-05-30 Anatoly Sokolov <aesok@post.ru>
9790 * config/avr/avr.h (SET_ASM_OP): Define.
9792 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
9794 * config/bfin/bfin.c: Fix comment typos.
9796 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
9799 * doc/install.texi: Document --enable-bootstrap and
9800 --disable-bootstrap.
9802 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
9804 * doc/install.texi: Document that InfoZIP can replace jar.
9806 2006-05-31 Roger Sayle <roger@eyesopen.com>
9808 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
9809 isn't available, directly generate the simpler x87 patterns without
9810 the (use (const_int 0)).
9811 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
9812 implementation isn't available.
9813 (*negdf2_1): Likewise.
9814 (*negxf2_1): XF mode negation is always done using the x87.
9815 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
9817 2006-05-31 Roger Sayle <roger@eyesopen.com>
9819 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
9820 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
9822 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
9824 2006-05-31 Jie Zhang <jie.zhang@analog.com>
9826 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
9827 * config/bfin/bfin.c (basic-block.h): Include.
9828 (struct machine_function): New.
9829 (bfin_init_machine_status): New.
9830 (override_options): Initialize init_machine_status.
9831 (bfin_hardware_loop): New.
9832 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
9833 (DEF_VEC_P (loop_info)): New.
9834 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
9835 (struct loop_info): New.
9836 (loop_info): New typedef.
9837 (struct loop_work): New.
9838 (loop_work): New typedef.
9839 (DEF_VEC_O (loop_work)): New.
9840 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
9841 (bfin_dump_loops): New.
9842 (bfin_bb_in_loop): New.
9843 (bfin_scan_loop): New.
9844 (bfin_optimize_loop): New.
9845 (bfin_reorg_loops): New.
9846 (bfin_reorg): Use bfin_reorg_loops.
9847 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
9849 (I_REGNO_P): Simplify.
9850 (DP_REGNO_P, DPREG_P): New macros.
9851 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
9852 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
9853 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
9854 Add LT_REGS, LC_REGS, LB_REGS.
9855 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
9857 (REGNO_REG_CLASS): Deal with loop registers.
9858 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
9860 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
9861 New constants for loop registers.
9862 (UNSPEC_LSETUP_END): New.
9863 (seq_insns): New define_attr. Set it for appropriate insns.
9864 (movsi_insn): Add alternatives for move from/to
9865 loop count registers.
9866 (doloop_end): New define_expand.
9867 (loop_end): New define_insn.
9868 (define_split for bad doloop_end): New.
9869 (lsetup_with_autoinit): New define_insn.
9870 (lsetup_without_autoinit): New define_insn.
9871 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
9872 * config/bfin/predicates.md (lc_register_operand): New.
9873 (lt_register_operand): New.
9874 (lb_register_operand): New.
9875 (nondp_register_operand): New.
9876 (nondp_reg_or_memory_operand): New.
9877 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
9879 2006-05-31 Jie Zhang <jie.zhang@analog.com>
9881 * config/bfin/bfin.c (bfin_delegitimize_address): New.
9882 (TARGET_DELEGITIMIZE_ADDRESS): Define.
9884 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
9886 * Makefile.in (CATALOGS): Add po/ prefix.
9887 * configure: Regenerated.
9889 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
9892 * arm.c (arm_print_operand case 'S'): Validate that the operand is
9893 a shift operand before calling shift_op. Avoid redundant call of
9896 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
9897 DJ Delorie <dj@redhat.com>
9899 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
9900 we're inserting is a singlt-bit constant.
9902 2006-05-30 Roger Sayle <roger@eyesopen.com>
9904 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
9905 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
9907 2006-05-30 Roger Sayle <roger@eyesopen.com>
9909 PR tree-optimization/23452
9910 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
9911 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
9912 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
9913 complex values and with -ffast-math for FP complex values.
9915 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
9917 * c-common.h: Remove the prototype for yyparse.
9918 * rtl.h: Remove the prototype for init_loop.
9920 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
9922 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
9925 2006-05-30 Roger Sayle <roger@eyesopen.com>
9927 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
9929 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
9930 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
9932 2006-05-30 Dirk Mueller <dmueller@suse.de>
9935 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
9936 for CONSTANT_CLASS_P expresisons.
9938 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9941 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
9943 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
9945 PR tree-optimization/27779
9946 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
9947 initial_condition instead of CHREC_LEFT.
9949 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
9951 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
9952 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
9953 Make prototypes ISO C90.
9955 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
9956 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9958 * see.c (see_analyze_one_def): Correct check.
9959 (see_get_extension_data): Check if extension is parallel.
9960 (see_get_extension_reg): Likewise.
9962 2006-05-30 Uros Bizjak <uros@kss-loka.si>
9965 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
9966 into register for (code == GTU).
9968 2006-05-29 Roger Sayle <roger@eyesopen.com>
9970 PR tree-optimization/24964
9971 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
9972 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
9973 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
9974 abs(x)*abs(x) as x*x for scalar floating point modes.
9976 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
9979 * lambda-code.c (perfect_nestify): Don't copy statements
9980 in the inner loop: move them to the inner loop header.
9982 2006-05-29 Diego Novillo <dnovillo@redhat.com>
9985 * c-tree.texi: Document OpenMP directives and clauses.
9987 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
9989 * varasm.c (globalize_decl): Fix indentation.
9991 2006-05-29 Diego Novillo <dnovillo@redhat.com>
9994 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
9995 pass_fre, pass_store_ccp, pass_copy_prop,
9996 pass_store_copy_prop, pass_merge_phi, pass_nrv,
9997 pass_return_slot, pass_object_size, pass_lim,
9998 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
9999 pass_loop_prefetch and pass_stdarg.
10001 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
10003 * config/bfin/bfin.opt (mfdpic): New option.
10004 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
10005 (EXTRA_MULTILIB_PARTS): Likewise.
10006 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
10007 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
10009 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
10010 (CRT_CALL_STATIC_FUNCTION): New.
10011 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
10013 (CRT_CALL_STATIC_FUNCTION): New.
10014 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
10016 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
10017 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
10018 (initialize_trampoline): Changed to handle FD-PIC code generation.
10019 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
10020 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
10021 (override_options): Disallow -mid-shared-library -mfdpic combination.
10022 Can't do unaligned ops if FD-PIC.
10023 Turn off flag_pic if trying to generate non-id-shared-library
10024 non-fdpic code, since it's not supported.
10025 (bfin_assemble_integer): New function.
10026 (TARGET_ASM_INTEGER): Define.
10027 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
10029 * config/bfin/crtn.s: Restore them.
10030 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
10032 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
10033 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
10034 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
10035 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
10036 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
10038 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
10039 FDPIC_REGS and FDPIC_FPTR_REGS.
10040 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
10041 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
10042 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
10043 (load_funcdescsi): New pattern.
10044 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
10045 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
10046 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
10048 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
10050 * gcse.c, rtlanal.c: Remove obsolete comments associated with
10053 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
10055 * tree-flow.h: Remove the prototype for add_type_alias.
10056 * tree-ssa-alias.c (add_type_alias): Remove.
10058 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
10060 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
10061 config/fr30/fr30.md, config/i386/i386-interix.h,
10062 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
10063 config/sh/superh64.h, config/v850/v850.c, df-core.c,
10064 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
10065 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
10066 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
10067 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
10068 Follow spelling conventions.
10069 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
10070 Follow spelling conventions.
10072 2006-05-27 Richard Guenther <rguenther@suse.de>
10074 PR middle-end/27773
10075 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
10076 to produce a constant of value 1 of generic type.
10078 2006-05-27 Dirk Mueller <dmueller@suse.de>
10080 * cgraphunit.c (decide_is_function_needed): Fix wrong
10083 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
10085 PR rtl-optimization/27661
10086 * reload.c (find_reloads): When reloading a VOIDmode constant
10087 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
10088 use Pmode as mode of the reload register.
10090 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
10092 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
10093 is enabled at -O and above.
10095 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
10098 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
10101 2006-05-25 Mark Mitchell <mark@codesourcery.com>
10104 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
10105 for anonymous variables explicitly declared by front ends.
10107 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
10109 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
10110 (struct alias_info): Add new field ref_all_symbol_mem_tag.
10111 * tree-ssa-alias.c (compute_may_aliases): If the program contains
10112 ref-all pointers, run a finalization pass for them.
10113 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
10114 (finalize_ref_all_pointers): New function.
10115 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
10116 regular pointer type to a ref-all pointer type.
10117 (get_tmt_for): Return the special memory tag for ref-all pointers.
10119 2006-05-25 Richard Guenther <rguenther@suse.de>
10121 PR middle-end/27743
10122 * fold-const.c (fold_binary): Do not look at the stripped
10123 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
10125 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
10127 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
10128 for LT and GT if the computed range is effectively empty.
10130 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10133 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
10134 mips_quad_format formats instead of ieee_single_format,
10135 ieee_double_format and ieee_quad_format formats, respectively.
10137 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
10139 PR tree-optimization/27639
10140 PR tree-optimization/26719
10141 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
10142 call to scev_probably_wraps_p.
10143 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
10144 used_in_pointer_arithmetic_p, convert_step): Removed.
10145 (nowrap_type_p): New function.
10146 (scev_probably_wraps_p): Rewritten.
10147 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
10148 chrec_convert if chrec_convert_aggressive might have been used.
10149 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
10150 scev_direction): New functions.
10151 (chrec_convert): Changed to a wrapper over chrec_convert_1.
10152 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
10153 instead of convert_step.
10154 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
10155 (convert_step): Declaration removed.
10156 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
10158 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
10160 * df-core.c: Added to header comments.
10161 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
10162 df_ur_bb_info, df_urec_bb_info): Added comments.
10163 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
10164 urec, ri problems): Fixed header comments.
10165 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
10166 code from df_rd_transfer_function.
10168 2006-05-23 Richard Sandiford <richard@codesourcery.com>
10170 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
10171 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
10172 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
10174 2006-05-23 Joseph Myers <joseph@codesourcery.com>
10176 * expr.c (undefined_operand_subword_p): New.
10177 (emit_move_multi_word): Do not generate move from undefined bits
10178 of a paradoxical subreg.
10180 2006-05-23 Richard Sandiford <richard@codesourcery.com>
10182 PR rtl-optimization/27736
10183 * combine.c (replaced_rhs_value): New variable.
10184 (combine_instructions): Set it.
10185 (distribute_notes): When distributing a note in replaced_rhs_insn,
10186 check whether the value was used in replaced_rhs_value.
10188 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
10191 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
10192 add_referenced_var instead of add_referenced_tmp_var.
10193 * tree-complex.c (create_one_component_var): Use add_referenced_var.
10194 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
10195 add_referenced_var.
10196 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
10197 tree_optimize_tail_calls_1): Use add_referenced_var.
10198 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
10199 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
10200 Use add_referenced_var.
10201 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
10202 * gimplify.c (force_gimple_operand): Use add_referenced_var.
10203 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
10204 Use add_referenced_var.
10205 * tree-dfa.c (struct walk_state): Remove.
10206 (find_referenced_vars): Remove walk state and vars_found hash table.
10207 (make_rename_temp): Use add_referenced_var.
10208 (find_vars_r): Pass less parameters to add_referenced_var.
10209 (referenced_var_p): New. Is var in referenced_var hash table.
10210 (referenced_var_insert): Assert var isn't already in hash table.
10211 (add_referenced_var): Don't need walk_state parameter. Add var if it
10212 isn't already in the hash table.
10213 (add_referenced_tmp_var): Remove.
10214 (find_new_referenced_vars_1): Use add_referenced_var.
10215 * tree-ssa-pre.c (create_expression_by_pieces,
10216 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
10217 Use add_referenced_var.
10218 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
10219 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
10220 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
10221 add_referenced_var.
10222 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
10223 vect_create_data_ref_ptr, vect_create_destination_var,
10224 vect_init_vector, vect_build_loop_niters,
10225 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
10226 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
10227 Use add_referenced_var.
10228 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
10229 * tree-flow.h (add_referenced_tmp_var): Remove prototype
10230 (add_referenced_var): Add prototype.
10231 * tree-ssa-structalias.c (get_constraint_for,
10232 intra_create_variable_infos): Use add_referenced_var.
10234 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
10236 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
10237 big-endian paradoxical subregs.
10238 * var-tracking.c (struct micro_operation_def): Document that,
10239 for modify micro operations, insn is the subsequent instruction.
10240 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
10241 (var_reg_set, var_mem_set): ... new functions.
10242 (add_stores): Record subsequent insn.
10243 (compute_bb_dataflow): Use new functions for MO_USE.
10244 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
10245 notes after the insn, and modify notes before the insn known
10246 to be the subsequent one.
10247 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
10249 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
10252 * config/i386/i386.c (ix86_expand_builtin): Use
10253 gen_sse3_monitor64 for TARGET_64BIT.
10255 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
10257 PR rtl-optimization/26375
10258 PR rtl-optimization/26855
10259 * df-problems (df_ru_bb_local_compute_process_def): Removed update
10261 (df_ru_bb_local_compute): Reversed statements and removed bogus
10262 comment explaining why they should be in wrong order.
10263 (df_ru_dump, df_rd_dump): Enhanced debug info.
10264 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
10266 * ddg.c (add_deps_for_def): Converted use of reaching defs to
10267 reaching uses and fixed space problem.
10269 2006-05-23 Jan Hubicka <jh@suse.cz>
10271 * cgraphunit.c (decide_is_function_needed): Also nested functions
10272 and functions declared inline can be optimized out at -O0.
10274 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
10276 * doc/install.texi (Configuration): Remove reference to CrossGCC
10277 FAQ which was gone.
10280 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10283 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
10284 ix86_compare_emitted is non-NULL.
10286 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10289 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
10292 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10294 PR rtl-optimization/25514
10295 * combine.c (replaced_rhs_insn): New variable.
10296 (combine_instructions): Set replaced_rhs_insn when trying to replace
10297 a SET_SRC with a REG_EQUAL note.
10298 (distribute_notes): Use replaced_rhs_insn when determining the live
10299 range of a REG_DEAD register.
10301 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
10302 Anatoly Sokolov <aesok@post.ru>
10304 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
10305 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
10306 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
10307 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
10308 atmega3290, atmega649, atmega6490, atmega406, atmega640,
10309 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
10310 at90usb647, at90usb1286 and at90usb1287 devices.
10311 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10312 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10314 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10316 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
10318 2006-05-22 Richard Guenther <rguenther@suse.de>
10321 2006-01-31 Richard Guenther <rguenther@suse.de>
10322 Paolo Bonzini <bonzini@gnu.org>
10324 * doc/install.texi (--disable-libgcc-math): Document.
10326 2006-05-22 Richard Guenther <rguenther@suse.de>
10329 2006-01-31 Richard Guenther <rguenther@suse.de>
10331 * doc/invoke.texi (-msselibm): Document.
10332 * target.h (expand_library_builtin): New target hook.
10333 * builtins.c (expand_builtin): Use expand_library_builtin.
10334 (default_expand_library_builtin): New function.
10335 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10336 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10337 (link_gcc_math_spec): Declare.
10338 (static_specs): Add link_gcc_math_spec.
10339 * expr.h (default_expand_library_builtin): Declare.
10340 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10341 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10342 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10343 * config/i386/i386.opt (msselibm): New target option.
10344 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10345 (ix86_init_sse_abi_builtins): New function.
10346 (ix86_expand_library_builtin): Likewise.
10347 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10348 (override_options): Handle error conditions wrt -msselibm.
10349 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10350 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10351 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10354 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10357 * c-common.c (self_promoting_args_p): Skip erroneous args.
10360 * c-decl.c (finish_struct): Skip erroneous fields.
10362 2006-05-22 Nick Clifton <nickc@redhat.com>
10364 * config/cris/cris.opt (march): Remove VarExists attribute.
10365 (max-stackframe=): Likewise.
10367 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10369 * doc/rtl.texi: Fix a typo.
10370 * see.c: Fix comment typos.
10372 * tree-ssa-structalias.h (alias_info): Remove num_references.
10374 2006-05-21 Mike Stump <mrs@apple.com>
10376 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
10378 (darwin_pragma_options): Use BAD instead.
10379 (darwin_pragma_unused): Likewise.
10380 (darwin_pragma_ms_struct): Likewise.
10382 2006-05-21 David Edelsohn <edelsohn@gnu.org>
10384 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
10386 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
10388 PR rtl-optimization/27671
10389 * simplify-rtx.c (simplify_relational_operation_1): Fix
10390 simplifications of (eq/ne (xor x y) y) and
10391 (eq/ne (xor x y) x).
10393 PR tree-optimization/26622.
10394 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
10397 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10399 * tree-cfg.c: Prune whitespace.
10400 (debug_tree_cfg): Point to correct header containing the
10403 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10405 PR middle-end/25776
10406 * cgraphunit.c (verify_cgraph_node): Typo in error message.
10408 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
10410 PR middle-end/25776
10411 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
10412 or sorry count is non zero.
10414 2006-05-20 Andreas Schwab <schwab@suse.de>
10416 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
10418 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
10419 Kenneth Zadeck <zadeck@naturalbridge.com>
10421 PR rtl-optimization/26855
10423 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
10425 (df_scan_alloc): Added code to properly handle multiword hard
10426 registers and add all_blocks parameter.
10427 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
10428 code to properly handle multiword hard registers.
10429 (df_rescan_blocks): Added code to remove deleted blocks from
10431 (df_ref_create_structure, df_ref_record): Added code to properly
10433 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
10434 and set DF_REF_PARTIAL.
10435 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
10436 (df_uses_record): Added DF_REF_PARTIAL for subreg.
10437 (df_scan_add_problem): Added flags parameter.
10438 (df_ref_create_structure): Changed switching structure.
10439 (df_bb_refs_record): Fixed case where duplicate artificial refs
10440 were created. Changed location of flags.
10441 (df_record_entry_block_defs): Added code to make stack pointer
10442 live in entry block. Refined cases where frame pointer is needed.
10443 Changed location of flags.
10444 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
10445 (df_set_state): Removed function.
10446 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
10447 df_insn_create_insn_record, df_insn_refs_delete,
10448 df_ref_create_structure): Formatting changes.
10449 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
10450 df_delete_basic_block): New function.
10451 (df_init): Changed location of flags.
10452 (df_add_problem): Added flags parameter and the way flags are
10454 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
10455 debug_df_chain): Improved debugging output.
10456 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
10457 (df_refs_chain_dump): Removed df parameter.
10458 (df_iterative_dataflow): Added consistency check.
10459 (df_prune_to_subcfg): Made public.
10460 (df_analyze_problem): Added blocks_to_init parameter and made
10462 (df_ref_record, df_bb_refs_record, df_mark_reg,
10463 df_record_exit_block_uses): Whitespace changes.
10464 (df_dump): Whitespace changes.
10465 * df.h: Some reordering to remove forward references.
10466 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
10467 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
10468 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
10469 (dataflow.flags): New field.
10470 (df.flag): Deleted field.
10471 (df_alloc_function): Added additional bitmap parameter.
10472 (df_dependent_problem_function): New type.
10473 (df_problem.changeable_flags): New field.
10474 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
10475 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
10476 (df_mw_hardreg): New struct.
10477 (DF_INSN_UID_MWS): New macro.
10478 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
10480 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
10481 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
10482 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
10483 (df_set_state): Removed function.
10484 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
10485 * df-problems.c (df_chain_dump): Removed df parameter.
10486 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
10487 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
10489 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
10490 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
10491 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
10492 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
10493 DF_REF_MUST_CLOBBER cases.
10494 (df_ru_bb_local_compute_process_def,
10495 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
10496 df_lr_bb_local_compute, df_ur_bb_local_compute,
10497 df_chain_create_bb): Made subreg aware.
10498 (df_ru_bb_local_compute, df_rd_bb_local_compute,
10499 df_lr_bb_local_compute, df_lr_bb_local_compute,
10500 df_chain_create_bb): Cleanup to use proper macros.
10501 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
10502 code to fixup bitvectors.
10503 (df_ri_alloc): Cleared lifetime.
10504 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
10505 df_create_unused_note): New function.
10506 (df_ri_bb_compute, df_ri_compute): Added code to create/update
10507 REG_DEAD and REG_UNUSED notes as well as register information.
10508 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
10509 df_chains_dump): Fixed crash if problem was never run.
10510 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
10511 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
10512 df_ri_add_problem): Processes flags in uniform manner.
10513 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
10514 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
10515 df_rd_dump, df_urec_free_bb_info): Formatting changes.
10516 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
10517 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
10518 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
10519 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
10520 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
10521 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
10522 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
10523 * see.c (see_initialize_data): Ditto.
10524 * final.c (rest_of_clean_state) Added regstack_completed.
10525 * rtl.h (regstack_completed): Ditto.
10526 * reg-stack.c (regstack_completed): Ditto.
10528 2006-05-19 Mike Stump <mrs@apple.com>
10530 * c-tree.h (default_conversion): Remove.
10531 * c-common.h (default_conversion): Add.
10533 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
10535 * tree-vrp.c (valid_value_p): New function.
10536 (adjust_range_with_scev): Fail if the value of bound is not
10539 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10541 * config/mips/linux-unwind.h: Include <asm/unistd.h>
10542 (mips_fallback_frame_state): Use syscall numbers to determine
10543 the appropriate li instruction for the current ABI. Only use
10544 __NR_sigreturn for o32.
10546 2006-05-19 Nicolas Setton <setton@adacore.com>
10548 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
10549 * langhooks.c (lhd_dwarf_name): New function.
10550 * langhooks-def.h (lhd_dwarf_name): Declare.
10551 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
10552 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
10554 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10556 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
10558 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
10559 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
10560 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
10561 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
10562 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
10563 determine the size of Wtype, etc.
10564 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
10565 (swfloatfuncs): New variable.
10566 (dwfloatfuncs): Likewise.
10567 (lib2funcs): Remove floating-point conversion functions from
10568 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
10569 the set of conversion routines needed. Allow entries to specify
10570 an object name, filename and word size. Update users accordingly.
10571 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
10572 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
10576 2006-02-08 Roger Sayle <roger@eyesopen.com>
10579 * config/fixtfdi.c: New libgcc source file.
10580 * config/fixunstfdi.c: New source file.
10581 * config/floatditf.c: New source file.
10582 * config/floatunditf.c: New souce file.
10583 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10584 files above instead of config/mips/_tilib.c.
10585 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10587 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10589 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
10590 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
10592 2006-05-18 Mike Stump <mrs@apple.com>
10594 Fix up vla, vm and [*] sematics.
10600 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
10601 (c_vla_unspec_p): Add.
10602 (c_vla_type_p): Add.
10603 * c-decl.c (struct c_scope): Add had_vla_unspec.
10604 (build_array_declarator): Add support for [*].
10605 (grokdeclarator): Likewise.
10606 (grokparms): Likewise.
10607 (get_parm_info): Likewise.
10608 * c-objc-common.c (c_vla_unspec_p): Likewise.
10609 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
10610 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
10611 typeof when argument is a variably modified type not inside sizeof or alignof.
10612 (c_parser_direct_declarator_inner): Propagate errors.
10613 (c_parser_sizeof_expression): Add support for [*].
10614 (c_parser_parms_declarator): Initialize had_vla_unspec.
10615 (c_parser_parms_list_declarator): Likewise.
10616 * c-typeck.c (c_vla_type_p): Add.
10617 (composite_type): Add support for vla compositing.
10618 (comptypes_internal): Add support for vla compatibility.
10619 (c_expr_sizeof_expr): Evaluate vla arguments.
10620 * tree.c (variably_modified_type_p): Update comment for [*].
10622 2006-05-18 Michael Matz <matz@suse.de>
10625 * config.host: Make assignments to host_xmake_file cumulative.
10626 * config.host (*-darwin*): Test $host, not $target.
10628 2006-05-12 Stuart Hastings <stuart@apple.com>
10630 * config/i386/i386.opt (-mstackrealign): New flag.
10631 * config/i386/i386.c (force_align_arg_pointer): New attribute.
10632 (ix86_handle_cconv_attribute): Emit error when
10633 force_align_arg_pointer attribute collides with too many regparms.
10634 (ix86_function_regparm): Limit regparms when used with
10635 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
10636 Support stack-realigning prologue in non-main functions. Emit
10637 warning for nested functions under -mstackrealign, emit error for
10638 nested functions with force_align_arg_pointer attribute.
10639 * doc/extend.texi (force_align_arg_pointer): Document it.
10640 * doc/invoke.texi (-mstackrealign): Document it.
10642 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
10644 PR rtl-optimization/27477
10645 * combine.c (try_combine): Don't split a parallel consisting
10646 of two sets into two individual sets if both sets reference
10649 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
10651 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
10652 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
10654 * doc/options.texi (VarExists): Updated.
10656 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10658 * unwind-dw2.c: Add declarations for uw_update_context and
10659 uw_frame_state_for.
10660 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
10661 detected, advance frame state and context once to skip over stub.
10663 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10665 PR middle-end/20256
10666 PR middle-end/26435
10667 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
10668 Call rewrite_into_loop_closed_ssa only when something changed.
10669 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
10670 * lambda-code.c (can_convert_to_perfect_nest): Declared.
10671 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
10672 Test for perfect_nest_p here. Fix formating.
10673 (replace_uses_equiv_to_x_with_y): Fix formating.
10674 (stmt_uses_op): Removed.
10675 (can_convert_to_perfect_nest): Removed loopivs parameter.
10676 Complete the test by checking the scalar dependences.
10677 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
10680 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10683 From Dan Kegel <dank@kegel.com>:
10684 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
10686 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
10688 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
10689 if the element type is variably modified without recursing.
10691 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10693 PR middle-end/27332
10694 * tree-loop-linear.c (try_interchange_loops): Test for
10695 no data dependences.
10697 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
10699 PR tree-optimization/27548
10700 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
10701 range of ssa names that appear on abnormal edges.
10702 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
10703 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
10705 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10707 PR middle-end/27620
10708 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
10710 2006-05-17 Jakub Jelinek <jakub@redhat.com>
10712 PR middle-end/27415
10713 * tree.h (OMP_PARALLEL_COMBINED): Define.
10714 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
10715 (new_omp_context): Add is_combined_parallel argument.
10716 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
10717 new_omp_context caller.
10718 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
10719 Adjust gimplify_scan_omp_clauses callers.
10720 (omp_is_private): Issue errors if iteration variable is firstprivate
10721 or reduction in the current context.
10722 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
10723 on combined parallel workshare constructs.
10725 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10727 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
10728 (gcc-options.o): New rule.
10730 * optc-gen.awk: Protect variables for gcc-options.o with
10731 #ifdef GCC_DRIVER/#endif.
10733 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
10735 Fix PR tree-optimization/27373
10736 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
10737 (forward_propagate_addr_expr): Update call.
10739 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10741 * doc/options.texi: Move the Negative option.
10743 2006-05-16 Richard Guenther <rguenther@suse.de>
10745 PR tree-optimization/22303
10746 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
10748 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
10749 ccp_fold did not simplify the statement.
10751 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10754 * Makefile.in (GCC_OBJS): New.
10755 (OBJS-common): Add opts-common.o.
10756 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
10757 (cpp$(exeext)): Likewise.
10758 (gcc.o): Also depend on opts.h.
10759 (opts-common.o): New.
10761 * common.opt (gcoff): Add Negative(gdwarf-2).
10762 (gdwarf-2): Add Negative(gstabs).
10763 (gstabs): Add Negative(gstabs+).
10764 (gstabs+): Add Negative(gvms).
10765 (gvms): Add Negative(gxcoff).
10766 (gxcoff): Add Negative(gxcoff+).
10767 (gxcoff+): Add Negative(gcoff).
10768 * config/i386/i386.opt (m32): Add Negative(m64).
10769 (m64): Add Negative(m32).
10771 * doc/options.texi: Document the Negative option.
10773 * gcc.c: Include "opts.h".
10774 (main): Call prune_options after expandargv.
10776 * optc-gen.awk: Generate common declarations for all flag
10777 variables in options.c. Output the neg_index field.
10779 * opts.c (find_opt): Moved to ...
10780 * opts-common.c: Here. New file.
10782 * opts.h (cl_option): Add a neg_index field.
10784 (prune_options): Likewise.
10786 2006-05-16 Jakub Jelinek <jakub@redhat.com>
10788 PR middle-end/27573
10789 * omp-low.c (expand_omp_parallel): Don't assert
10790 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
10791 instead search for it.
10794 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
10797 2006-05-16 Andreas Schwab <schwab@suse.de>
10799 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
10802 2006-05-15 Roger Sayle <roger@eyesopen.com>
10805 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
10806 integer constants other than zero are only legitimate on TARGET_64BIT.
10807 <CONST_VECTOR> Only zero vectors are legitimate.
10808 (ix86_cannot_force_const_mem): Integral and vector constants can
10809 always be put in the constant pool.
10811 2006-05-16 DJ Delorie <dj@redhat.com>
10813 * crtstuff.c (__dso_handle): Set section from
10814 TARGET_LBIGCC_SDATA_SECTION if defined.
10815 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
10816 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
10818 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
10821 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
10824 2006-05-16 Ben Elliston <bje@au.ibm.com>
10826 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
10828 2006-05-15 Per Bothner <per@bothner.com>
10830 * tree.c: (last_annotated_node): Use source_locus typedef.
10831 This permits bootstrapping with --enable-mapped-location.
10833 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
10835 PR tree-optimization/26830
10836 * tree-into-ssa.c (struct ssa_name_info): Add age field.
10837 (info_for_ssa_name, current_info_for_ssa_name_age,
10838 blocks_to_update): New variables.
10839 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
10840 (clear_ssa_name_info, initialize_flags_in_bb,
10841 mark_block_for_update): New functions.
10842 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
10843 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
10844 prepare_def_site_for): Use mark_block_for_update.
10845 (mark_def_interesting): Assert that the processed block is marked in
10846 blocks_to_update. Do not take blocks argument.
10847 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
10849 (rewrite_update_init_block, rewrite_update_stmt): Only process
10850 blocks with statements to rewrite.
10851 (delete_update_ssa): Do not clear SSA_NAME_AUX.
10852 (update_ssa): Initialize and free blocks_to_update. Do not
10853 clear flags on statements. Do not use blocks bitmap.
10854 * tree.h (SSA_NAME_AUX): Removed.
10855 (struct tree_ssa_name): Removed aux field.
10856 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
10858 2006-05-15 Richard Guenther <rguenther@suse.de>
10860 PR tree-optimization/27603
10861 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
10862 Do computations in original type.
10864 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
10866 * see.c: Code style changes such as redundant paranthesis,
10867 redundant intialization of local variables etc.
10868 (see_main): Declared now as static.
10869 * doc/invoke.texi: Update that -fsee is not enabled by
10872 2006-05-15 Jakub Jelinek <jakub@redhat.com>
10874 * omp-low.c (check_omp_nesting_restrictions): New function.
10875 (scan_omp_1): Call it.
10877 PR middle-end/27416
10878 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
10879 construct, return *VAR.
10881 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
10883 PR rtl-optimization/27406
10884 * bt-load.c (migrate_btr_def): Skip the block having abnormal
10887 2006-05-14 Roger Sayle <roger@eyesopen.com>
10889 PR rtl-optimization/27538
10890 * combine.c (expand_compound_operation): Call gen_lowpart
10891 before calling simplify_shift_const.
10893 2006-05-14 Roger Sayle <roger@eyesopen.com>
10895 PR rtl-optimization/22563
10896 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
10897 a fixed width bitfield, always force the intermediates into psuedos.
10899 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
10902 * mkconfig.sh: Use operator = instead of == for test.
10904 2006-05-13 Nick Clifton <nickc@redhat.com>
10906 * dwarf2out.c (dbx_reg_number): Check return value from
10907 LEAF_REG_REMAP and only use it if it is valid.
10908 (multiple_reg_loc_descriptor): Likewise.
10910 2006-05-13 Richard Guenther <rguenther@suse.de>
10912 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
10915 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
10917 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
10918 information attached to non-INSNs such as NOTEs.
10919 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
10921 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
10923 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
10925 * config/s390/s390.md: Adjust comment describing On constraint.
10927 2006-05-11 Jan Hubicka <jh@suse.cz>
10929 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
10930 to be output at -O0.
10932 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10934 PR middle-end/27384
10935 * fold-const.c (size_binop): Move sanity check for arguments to
10936 the beginning of the function.
10938 PR middle-end/27488
10939 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
10942 2006-05-11 Richard Guenther <rguenther@suse.de>
10944 PR middle-end/27529
10945 * fold-const.c (fold_unary): Handle intermediate conversion
10946 to a pointer type like intermediate conversion to an integer
10947 type in folding of (T1)(T2)var to var.
10948 Match the code to the comment in the final conversion for
10949 (T1)(T2)var to (T1)var regarding to type precision. Rather
10950 than disallow T1 being of pointer type, assert that both T1
10951 and var are of pointer type or not. Make sure not to fall
10952 over the frontends lazyness wrt array to pointer decay though.
10954 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
10956 * arm.c (arm_struct_value_rtx): Delete.
10957 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
10958 (arm_init_cumulative_args): Always initialize nregs to zero.
10960 2006-05-10 Richard Guenther <rguenther@suse.de>
10962 PR tree-optimization/27532
10963 * tree-object-size.c (plus_expr_object_size): Fix typo.
10965 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
10968 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
10969 ashrdi_const, ashrdi3): Use a scratch register.
10971 2006-05-10 Richard Guenther <rguenther@suse.de>
10973 PR tree-optimization/27302
10974 * fold-const.c (operand_equal_p): For two comparisons,
10975 try comparison of one comparison code swapped if that yields
10978 2006-05-10 Ben Elliston <bje@au.ibm.com>
10980 * tree-pretty-print.c (pretty_print_string): No need to handle
10981 '\0' as a special character.
10983 * tree.h: Include "hashtab.h".
10984 (iterative_hash_expr): Use hashval_t in its prototype.
10985 * Makefile.in (TREE_H): Add $(HASHTAB_H).
10987 2006-05-09 Steve Ellcey <sje@cup.hp.com>
10990 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
10991 (hppa*64*-*-hpux11*): Ditto.
10992 (hppa[12]*-*-hpux11*): Ditto.
10994 2006-05-09 David Edelsohn <edelsohn@gnu.org>
10997 * config/rs6000/aix41.h (TARGET_64BIT): Define.
10999 2006-05-09 Michael Matz <matz@suse.de>
11001 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
11002 host_extra_gcc_objs and host_xmake_file.
11003 (<*-*-linux*>): Don't overwrite host_xmake_file.
11004 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
11005 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
11006 (host_detect_local_cpu): Declare.
11007 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
11008 * config/i386/i386.c (override_options): Handle -mtune=native
11010 * config/i386/x-i386: New file.
11011 * config/i386/driver-i386.c: New file.
11012 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
11015 2006-05-09 Dirk Mueller <dmueller@suse.de>
11016 Richard Guenther <rguenther@suse.de>
11018 PR middle-end/27498
11019 * fold-const.c (fold_read_from_constant_string): Relax check
11020 for matching types to matching modes.
11022 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
11024 PR rtl-optimization/27335
11025 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
11028 2006-05-08 Chao-ying Fu <fu@mips.com>
11029 Richard Sandiford <richard@codesourcery.com>
11031 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
11032 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
11033 * config/mips/mips.md (UNSPEC_SCC): New constant.
11034 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
11035 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
11036 (mips_emit_compare): Use it.
11037 (mips_expand_vcondv2sf): New function.
11039 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
11041 Fix PR tree-optimization/27093
11042 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
11043 renaming when they become not-used_alone.
11045 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11047 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
11048 relocation and relocation stubs.
11050 2006-05-08 Eric Christopher <echristo@apple.com>
11052 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
11055 2006-05-08 Jan Hubicka <jh@suse.cz>
11057 PR middle-end/24561
11058 * cgraphunit.c (decide_is_function_needed): When not optimizing even
11059 unused static functions are needed.
11061 2006-05-08 Roger Sayle <roger@eyesopen.com>
11064 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
11065 of a reg_equiv_constant if the result is a legitimate constant.
11067 2006-05-08 Uros Bizjak <uros@kss-loka.si>
11070 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
11071 standard 80387 constants, raise the cost to prevent
11072 compress_float_constant() to generate load from memory.
11074 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
11076 * config/arm/constraints.md (c): Fix a typo.
11078 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
11081 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
11084 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
11086 (_mm_mwait): Likewise.
11088 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
11090 (sse3_monitor): Make it 32bit only.
11091 (sse3_monitor64): New. 64bit monitor.
11093 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11096 * config/i386/i386.c (classify_argument): Skip fields with invalid
11099 2006-05-07 Richard Guenther <rguenther@suse.de>
11101 PR tree-optimization/27409
11102 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11103 Do not try to find zero-sized subvars.
11105 2006-05-07 Richard Guenther <rguenther@suse.de>
11107 PR tree-optimization/27136
11108 * tree-ssa-loop-niter.c (get_val_for): Correct function
11109 comment, assert requirements.
11110 (loop_niter_by_eval): Stop processing if the iterated
11111 value did not simplify.
11113 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
11115 * opts.c (flag_see): remove its setting at -O3.
11117 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
11119 * genpeep.c (main): Make insn-peep.c depend on flags.h.
11120 * arm/constraints.md: New file.
11121 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
11122 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
11123 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
11124 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
11125 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
11126 (EXTRA_MEMORY_CONSTRAINT): Likewise.
11127 * arm.md: Include constraints.md.
11128 (thumb_movsi_insn): Use satisfies_constraint_J.
11129 (movhi, movqi): Use satisfies_constraint_I.
11131 2006-04-29 Anatoly Sokolov <aesok@post.ru>
11133 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
11134 for atmeg a645 device.
11136 2006-05-06 Richard Guenther <rguenther@suse.de>
11138 PR tree-optimization/27151
11139 * tree-vect-transform.c (vectorizable_condition): Punt on
11140 values that have a different type than the condition.
11142 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
11145 * c-parser.c (c_parser_cast_expression): Only insert casts into
11146 hash table if pointer.
11147 * function.c (used_types_insert_helper): Rename from
11149 (used_types_insert): Call used_types_insert_helper.
11150 * function.h (used_types_insert): Accept only one argument.
11152 2006-05-05 David Edelsohn <edesohn@gnu.org>
11154 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
11155 scratch with output modifier.
11157 2006-05-04 David Edelsohn <edelsohn@gnu.org>
11160 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
11161 with output modifier.
11163 2006-05-04 Richard Sandiford <richard@codesourcery.com>
11166 * config/mips/mips.c (mips_symbolic_address_p): Return true
11167 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
11168 SYMBOL_GOTTPREL, and SYMBOL_TLS.
11170 2006-05-04 Richard Guenther <rguenther@suse.de>
11172 PR tree-optimization/14287
11173 PR tree-optimization/14844
11174 PR tree-optimization/19792
11175 PR tree-optimization/21608
11176 PR tree-optimization/27090
11177 * tree-ssa-pre.c (try_combine_conversion): New function.
11178 (compute_avail): After constructing the value-handle
11179 expression, use try_combine_conversion to combine NOP_EXPRs
11180 with previous value-handle expressions and use the result if it
11183 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
11185 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
11187 2006-05-04 Jan Hubicka <jh@suse.cz>
11189 PR middle-end/25962
11190 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
11192 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
11194 * config/bfin/predicates.md (const01_rtx): Tell generator programs
11195 that this only matches CONST_INTs. All users changed to VOIDmode
11198 * config/bfin/bfin.c: Include "optabs.h".
11199 (bfin_rtx_costs): Some costs for vector operations, to allow combine
11201 (enum bfin_builtins): Add a number of fractional and vector builtins.
11202 (bfin_init_builtins): Likewise.
11203 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
11204 (safe_vector_operand, bfin_expand_binop_builtin,
11205 bfin_expand_unop_builtin): New functions.
11206 (bfin_expand_builtin): Handle the new builtins.
11207 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
11210 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
11213 * Makefile.in (OBJS-common): Add see.o.
11214 (see.o): Add dependencies.
11215 * common.opt (fsee): New flag for the see optimization was added.
11216 * opts.c (flag_see): Initialized.
11217 * passes.c (init_optimization_passes, pass_see): New pass.
11218 * rtl.h (see_main): Declaration as extern.
11219 * timevar.def (TV_SEE): New.
11220 * tree-pass.h (pass_see): Declaration as extern.
11221 * invoke.texi (-fsee): Document.
11222 * recog.c (validate_simplify_insn): New function.
11223 * recog.h (validate_simplify_insn): Declaration as extern.
11224 * df-problems.c (df_chain_dump): Check for NULL.
11226 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
11227 Daniel Berlin <dberlin@dberlin.org>
11229 * cfgrtl.c (insert_insn_bb_end_new): New function.
11230 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
11232 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11234 * df.h (struct web_entry): Moved from web.c.
11235 (union_defs): Declaration as extern.
11236 (unionfind_root): Likewise.
11237 (unionfind_union): Likewise.
11238 * web.c (struct web_entry): Moved to df.h.
11239 (unionfind_root): Remove static declaration.
11240 (unionfind_union): Likewise.
11241 (union_defs): Likewise and generalize to use callback function.
11242 (web_main): Update arguments for union_defs function call.
11244 2006-05-04 Richard Guenther <rguenther@suse.de>
11246 PR tree-optimization/26447
11247 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
11248 produce SSA_NAME copies before the store stmt to avoid
11249 breaking exception handling.
11251 2006-05-04 Jakub Jelinek <jakub@redhat.com>
11253 PR middle-end/27388
11254 * gimplify.c (omp_is_private): If var is shared in some outer context,
11255 return false instead of true. Stop searching on parallel context
11258 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
11261 * coverage.c: Use get_gcov_unsigned_t() instead of
11262 unsigned_type_node all over.
11264 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
11266 PR tree-optimization/27381
11267 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
11268 maintain the same immediate_use links.
11269 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
11270 node rather than segfaulting.
11272 2006-05-03 Jakub Jelinek <jakub@redhat.com>
11275 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
11276 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
11277 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
11279 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
11281 Fix PR tree-optimization/26626
11282 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
11284 * tree-ssa-operands.c (access_can_touch_variable): Allow
11285 typecasting through union pointers.
11287 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11290 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
11291 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
11292 to find if var will be a global variable even in the nested context.
11293 (omp_copy_decl): Only check for global variable at the end, it might
11294 be overridden in outer contexts.
11295 (scan_sharing_clauses): For global variables don't create a field.
11296 (lower_rec_input_clauses): Do nothing for global shared variables.
11297 Emit a barrier at the end of ILIST if there were any decls in both
11298 firstprivate and lastprivate clauses.
11299 (lower_send_clauses): Do nothing for global variables except for
11302 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
11304 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
11305 of the correct signedness is returned.
11307 2006-05-02 Jeff Law <law@redhat.com>
11309 PR tree-optimization/27364
11310 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
11311 multiply expressions.
11313 2006-05-02 Tom Tromey <tromey@redhat.com>
11315 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
11317 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
11320 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
11321 -mthumb -fPIC are used.
11323 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
11324 Joshua Kinard <kumba@gentoo.org>
11327 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
11328 with 64-bit pointers.
11330 2006-05-02 Paul Brook <paul@codesourcery.com>
11332 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
11334 (create_fix_barrier): Check that a suitable barrier location is
11336 (arm_reorg): Include ftmp->address in allowable range of addresses.
11338 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
11341 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
11344 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11346 PR middle-end/27337
11347 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
11348 around RESULT_DECL for result passed by reference.
11349 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
11350 * omp-low.c (use_pointer_for_field): Don't look at
11351 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
11352 (scan_omp_1): Call remap_decl on RESULT_DECLs.
11353 (lower_rec_input_clauses): Don't allocate VLA memory for the second
11354 time or var for passing by reference for
11355 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
11356 TREE_ADDRESSABLE variables when passing by reference.
11358 * omp-low.c (dump_omp_region): Fix output formatting.
11360 PR middle-end/27328
11361 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
11362 (expand_omp_parallel): Likewise.
11363 * tree-cfg.c (move_sese_region_to_fn): Likewise.
11365 PR middle-end/27325
11366 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
11367 on statement list containing also constructors and destructors.
11368 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
11370 PR middle-end/27310
11371 * except.c (duplicate_eh_regions): Fix clearing of
11372 cfun->eh->region_array entries.
11374 2006-05-01 DJ Delorie <dj@redhat.com>
11376 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
11378 (gcc_cv_objdump): Likewise.
11379 * configure: Regenerated.
11381 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
11384 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
11385 templates for case 3 and 4.
11387 2006-05-01 DJ Delorie <dj@redhat.com>
11389 * vec.c: Include bconfig.h when appropriate.
11390 * Makefile.in (build/vec.o): Adjust dependencies.
11391 * mkconfig.sh: Make sure config.h isn't used for build machine
11394 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11396 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
11398 (mark_phi_for_rewrite): New function.
11399 (insert_phi_nodes_for, mark_use_interesting): Call
11400 mark_phi_for_rewrite.
11401 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
11402 (update_ssa): Initialize and free phis_to_rewrite.
11404 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11406 PR rtl-optimization/27291
11407 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
11408 folded to a constant.
11410 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11412 PR tree-optimization/27283
11413 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
11414 not whole # of iteration descriptions.
11415 (niter_for_exit): Return just # of iterations. Fail if # of iterations
11416 uses abnormal ssa name.
11417 (niter_for_single_dom_exit): Ditto.
11418 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
11419 return just the number of iterations.
11421 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11423 PR tree-optimization/27144
11424 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
11425 (record_estimate): Only record constant upper bound.
11426 (infer_loop_bounds_from_undefined): Call
11427 compute_estimated_nb_iterations just once.
11428 (proved_non_wrapping_p): Renamed to ...
11429 (n_of_executions_at_most): ... this. Expect bound to be a constant.
11430 (convert_step_widening, scev_probably_wraps_p): Call
11431 n_of_executions_at_most instead of proved_non_wrapping_p.
11432 (substitute_in_loop_info): Do not replace values in bounds.
11433 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
11436 2006-05-01 Richard Henderson <rth@redhat.com>
11439 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
11440 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
11443 2006-05-01 Roger Sayle <roger@eyesopen.com>
11445 * c-typeck.c (parser_build_binary_op): Don't call the function
11446 unsigned_conversion_warning to spot operand/result type overflow.
11447 (build_binary_op): Instead, call convert_and_check instead of
11448 convert to report the problem when the operands are promoted.
11449 * c-common.c (unsigned_conversion_warning): Make static.
11450 * c-common.h (unsigned_conversion_warning): Delete prototype.
11452 2006-05-01 Richard Guenther <rguenther@suse.de>
11454 PR tree-optimization/26726
11455 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
11457 (find_interesting_uses_address): ... we work around here
11458 by folding INDIRECT_REFs in the substituted base.
11460 2006-05-01 Diego Novillo <dnovillo@redhat.com>
11462 * omp-low.c (dump_omp_region): Add newlines.
11464 2006-04-30 Roger Sayle <roger@eyesopen.com>
11466 * common.opt (Woverflow): New command line option.
11467 * c-common.c (constant_expression_warning): Check warn_overflow.
11468 (overflow_waring): Pass OPT_Woverflow to warning.
11469 (unsigned_conversion_warning): Likewise.
11470 (convert_and_check): Likewise.
11471 * doc/invoke.texi: Document new command line option.
11473 2006-04-30 David Edelsohn <edelsohn@gnu.org>
11475 * config/rs6000/rs6000.c (rs6000_override_options): Enable
11476 TARGET_NO_FP_IN_TOC for section anchors.
11477 (optimization_options): Enable section anchors for all
11478 non-"Objective" languages.
11480 2006-04-28 Eric Christopher <echristo@apple.com>
11482 * config/darwin-c.c (darwin_ms_struct): Move this
11483 (darwin_set_default_type_attributes): and this...
11484 * config/darwin.c: ... here.
11485 * config/darwin.h (darwin_ms_struct): Declare.
11487 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
11489 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
11491 2006-04-28 Roger Sayle <roger@eyesopen.com>
11494 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
11495 (push_array_bounds): Delete prototype. Change BOUNDS argument to
11496 an unsigned HOST_WIDE_INT.
11497 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
11499 (really_start_incremental_init): No need to call convert because
11500 bitsize_zero_node is already of type bitsizetype.
11501 (push_init_level): Extract the value of constructor_index as an
11502 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
11503 (process_init_element): Likewise.
11505 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
11507 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
11508 value before passing to make_relative_prefix.
11510 2006-04-28 Alan Modra <amodra@bigpond.net.au>
11512 PR middle-end/27260
11513 * builtins.c (expand_builtin_memset): Expand val in original mode.
11515 2006-04-27 Eric Christopher <echristo@apple.com>
11517 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
11518 with #ifndef/#endif.
11519 * config/darwin-c.c (darwin_ms_struct): New.
11520 (darwin_pragma_ms_struct): Ditto.
11521 (darwin_set_default_type_attributes): Ditto.
11522 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
11523 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
11524 Register ms_struct pragma.
11525 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
11526 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
11527 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
11528 darwin_set_default_type_attributes if TARGET_MACHO.
11530 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
11532 PR tree-optimization/26854
11533 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
11534 * doc/tree-ssa.texi: Update immuse iterator documentation.
11535 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
11536 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
11537 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
11538 first_safe_imm_use, next_safe_imm_use): Remove.
11539 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
11540 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
11541 (move_use_after_head): New. Helper function to sort immuses in a stmt.
11542 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
11543 (first_imm_use_stmt): New. Get first stmt in an immuse list.
11544 (next_imm_use_stmt): New. Get next stmt in an immuse list.
11545 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
11546 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
11547 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
11548 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
11549 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
11550 (perfect_nestify): Use new iterator.
11551 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
11553 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
11554 (next_imm_name): New field in struct immediate_use_iterator_d.
11555 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
11556 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
11557 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
11558 * tree-cfg.c (replace_uses_by): Use new iterator.
11559 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
11560 * tree-ssa-operands.c (correct_use_link): Remove.
11561 (finalize_ssa_use_ops): No longer call correct_use_link.
11563 2006-04-27 Stuart Hastings <stuart@apple.com>
11565 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
11566 * config/t-darwin (crt3.o): Use it.
11567 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
11568 'pmode', use Pmode instead of SImode for SYMBOL_REF.
11569 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
11570 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
11571 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
11574 2006-04-27 Roger Sayle <roger@eyesopen.com>
11576 * expmed.c (store_fixed_bit_field): If we're not optimizing for
11577 size, force the intermediate into a new pseudo rather instead of
11578 performing both a bitwise AND and a bitwise IOR in memory.
11580 2006-04-27 Richard Guenther <rguenther@suse.de>
11582 PR rtl-optimization/26685
11583 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
11584 this one "max-flow-memory-locations".
11586 2006-04-27 Richard Guenther <rguenther@suse.de>
11588 PR tree-optimization/25148
11589 * tree-vrp.c (compare_values): Remove code dealing with
11590 comparisons against type min/max value. Honour overflow
11591 and negative constants in code dealing with comparisons
11592 of plus and minus expressions.
11593 (value_inside_range): Use fold_binary with LE_EXPR and
11594 GE_EXPR rather than compare_values.
11596 2006-04-27 Dirk Mueller <dmueller@suse.de>
11598 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
11601 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
11603 * basic-block.h (safe_insert_insn_on_edge): Removed.
11604 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
11606 2006-04-26 David Edelsohn <edelsohn@gnu.org>
11607 Paolo Bonzini <bonzini@gnu.org>
11609 PR middle-end/27282
11610 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
11611 (simplify_and_const_int): Same.
11613 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
11615 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
11617 2006-04-26 Jakub Jelinek <jakub@redhat.com>
11620 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
11621 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
11622 cgraph_global_info_ready.
11624 PR middle-end/26913
11625 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
11628 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
11629 either decl or init is error_mark_node.
11631 PR middle-end/25989
11632 * tree-flow.h (struct omp_region): Add sched_kind.
11633 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
11634 instead of extracting omp for data.
11635 (expand_omp_for): Save extracted sched_kind.
11637 2006-04-25 Roger Sayle <roger@eyesopen.com>
11639 * expmed.c (store_bit_field): Also check whether the bitsize is
11640 valid for the machine's "insv" instruction before moving the
11641 target into a pseudo for use with the insv.
11642 * config/i386/predicates.md (const8_operand): New predicate.
11643 * config/i386/i386.md (extv, extzv, insv): Use the new
11644 const8_operand predicate where appropriate.
11646 2006-04-25 DJ Delorie <dj@redhat.com>
11648 * doc/install.texi (Specific): Clarify that this is not a list of
11649 supported hosts or targets.
11651 2006-04-25 Richard Sandiford <richard@codesourcery.com>
11653 PR rtl-optimization/26725
11654 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
11655 block's BB_DIRTY flag.
11657 2006-04-25 Geoffrey Keating <geoffk@apple.com>
11659 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
11662 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
11663 to print an integer.
11665 2006-04-25 David Edelsohn <edelsohn@gnu.org>
11667 * varasm.c (align_variable): New function.
11668 (get_block_for_decl): Apply align_variable to DECL before
11669 calculating section information.
11670 (assemble_variable): Split out alignment computation.
11672 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
11674 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
11677 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
11679 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
11680 MODE_PARTIAL_INT mode.
11681 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
11682 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
11684 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
11685 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
11687 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
11689 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
11691 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
11692 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
11693 MACFLAG_IH): Likewise.
11694 (movstricthi_1): Renamed from "*movstricthi".
11695 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
11696 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
11697 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
11698 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
11699 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
11700 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
11701 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
11702 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
11703 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
11704 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
11705 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
11706 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
11707 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
11708 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
11709 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
11711 * doc/rtl.texi (ss_ashift): Improve wording.
11713 2006-04-24 Geoffrey Keating <geoffk@apple.com>
11715 * dwarf2out.c (verify_marks_clear): New.
11716 (prune_unused_types): Call verify_marks_clear initially, not
11719 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
11721 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
11722 * doc/rtl.texi: Document them.
11723 * simplify-rtx.c (simplify_unary_operation,
11724 simplify_binary_operation_1): Don't abort when we see them.
11726 2006-04-24 Mark Mitchell <mark@codesourcery.com>
11729 2006-04-23 Mark Mitchell <mark@codesourcery.com>
11730 * configure.ac: Completely disregard languages that are not
11732 * configure: Regenerated.
11734 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
11735 Richard Guenther <rguenther@suse.de>
11737 PR tree-optimization/27236
11738 * tree-inline.c (copy_body_r): Make sure to copy
11739 TREE_THIS_VOLATILE flag.
11741 2006-04-24 Richard Guenther <rguenther@suse.de>
11743 PR middle-end/26869
11744 * tree-complex.c (update_parameter_components): Don't handle
11745 unused parameters which have no default def.
11747 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
11748 Richard Guenther <rguenther@suse.de>
11750 PR tree-optimization/27218
11751 * tree-inline.c (expand_call_inline): Strip useless type
11752 conversions for the return slot address.
11754 2006-04-24 Richard Guenther <rguenther@suse.de>
11756 * cfgloop.h (struct loops): Remove unused field array. Reorder
11758 (LOOP_PREFETCH): Remove.
11760 2006-04-24 Richard Guenther <rguenther@suse.de>
11762 PR tree-optimization/22525
11763 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
11764 variable, adjust types of generated expressions.
11766 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
11768 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
11769 (tree-vect-patterns.o): Likewise.
11770 (jump.o): Likewise.
11771 (cselib.o): Likewise.
11772 (loop-doloop.o): Likewise.
11773 (regclass.o): Likewise.
11774 (reload1.o): Likewise.
11775 (explow.o): Replace target.h with $(TARGET_H).
11776 (ipa-prop.o): Likewise.
11777 (ipa-cp.o): Likewise.
11778 (ipa-inline.o): Likewise.
11779 (reorg.o): Likewise.
11780 (reg-stack.o): Likewise.
11782 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
11784 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
11786 2006-04-23 Mark Mitchell <mark@codesourcery.com>
11788 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
11790 * configure.ac: Completely disregard languages that are not
11792 * configure: Regenerated.
11795 * c-common.h (c_build_bitfield_integer_type): Declare.
11796 * c-decl.c (c_build_bitfield_integer_type): Move to ...
11797 * c-common.c (c_build_bitfield_integer_type): ... here.
11799 2006-04-23 Roger Sayle <roger@eyesopen.com>
11802 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
11803 a SImode SUBREG of a floating point register after no_new_pseudos.
11805 2006-04-23 Roger Sayle <roger@eyesopen.com>
11807 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
11808 identify potentially eliminable registers to additionally catch
11809 VIRTUAL_INCOMING_ARGS_REGNUM.
11810 (addsi3): Update the conditions on when to use addsi_small_int.
11812 2006-04-23 Roger Sayle <roger@eyesopen.com>
11815 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
11816 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
11817 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
11819 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
11821 * fold-const.c (range_predecessor): Use operand_equal_p
11822 as the predicate for equality.
11823 (range_successor): Likewise.
11825 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
11828 * config/soft-fp/op-common.h: Fix a typo.
11830 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
11832 PR libmudflap/26864
11833 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
11834 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
11836 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
11838 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
11840 * doc/tm.texi: Fix a typo.
11842 2006-04-21 Geoffrey Keating <geoffk@apple.com>
11844 * dwarf2out.c (struct die_struct): Document that die_sib makes
11845 a circular linked list.
11846 (FOR_EACH_CHILD): New.
11847 (reverse_die_lists): Delete.
11848 (reverse_all_dies): Delete.
11849 (add_dwarf_attr): Correct documentation.
11850 (remove_child_with_prev): New.
11851 (remove_child_TAG): Update for change to die_struct, use
11852 remove_child_with_prev.
11853 (add_child_die): Update for change to die_struct.
11854 (splice_child_die): Use remove_child_with_prev and add_child_die.
11855 (print_die): Use FOR_EACH_CHILD.
11856 (die_checksum): Likewise.
11857 (assign_symbol_names): Likewise.
11858 (output_location_lists): Likewise.
11859 (build_abbrev_table): Likewise.
11860 (calc_die_sizes): Likewise.
11861 (mark_dies): Likewise.
11862 (unmark_dies): Likewise.
11863 (unmark_all_dies): Likewise.
11864 (output_die): Likewise.
11865 (prune_unused_types_mark): Likewise.
11866 (prune_unused_types_walk): Likewise.
11867 (same_die_p): Update for change to die_struct.
11868 (break_out_includes): Likewise.
11869 (prune_unused_types_prune): Likewise.
11870 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
11871 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
11872 it's already clear.
11873 (dwarf2out_finish): Don't call reverse_all_dies.
11875 2006-04-21 Eric Christopher <echristo@apple.com>
11877 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
11878 in comments and function names.
11880 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11883 * c-typeck.c (digest_init): Robustify.
11885 * c-typeck.c (pop_init_level): Simplify.
11887 2006-04-21 Steve Ellcey <sje@cup.hp.com>
11889 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
11891 2006-04-21 Paul Brook <paul@codesourcery.com>
11893 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
11894 hardware floating point.
11896 2006-04-21 David Edelsohn <edelsohn@gnu.org>
11898 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
11901 2006-04-21 Nick Clifton <nickc@redhat.com>
11903 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
11906 2006-04-21 Alan Modra <amodra@bigpond.net.au>
11909 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
11910 C++ lang type in traceback table for Objective-C++.
11912 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
11914 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
11916 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
11918 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11921 * tree-mudflap.c (mudflap_finish_file): Skip function when there
11922 were errors. Remove check for erroneous objects.
11924 2006-04-20 Jeff Law <law@redhat.com>
11926 PR tree-optimization/26854
11927 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
11928 checking for zero or one use.
11929 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
11930 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
11931 * tree-ssa-reassoc.c (negate_value): Similarly.
11932 (reassociate_bb): Similarly.
11934 2006-04-20 Jakub Jelinek <jakub@redhat.com>
11937 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
11938 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
11939 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
11941 2006-04-20 Alan Modra <amodra@bigpond.net.au>
11943 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
11944 fp regs if the last fp arg doesn't fit in regs.
11946 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
11949 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
11950 that the last insn has the REG_INC note.
11952 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
11953 Nathan Sidwell <nathan@codesourcery.com>
11956 * stor-layout.c (update_alignment_for_field): Do not align
11958 (place_union_field): Place union field at the start of the union.
11959 (place_field): Move ERROR_MARK check later, and use the current
11960 allocation position to maintain monotonicity.
11962 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
11964 * dominance.c: Include timevar.h.
11965 (calculate_dominance_info): Use TV_DOMINANCE.
11966 * timevar.def (TV_DOMINANCE): New timevar.
11967 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
11969 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
11971 PR rtl-optimization/14261
11972 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
11973 move would be an INSV insn.
11974 (noce_process_if_block): Don't optimize if the destination is a
11975 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
11977 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
11979 * config/s390/s390.md: Add comments with the instructions emitted
11980 by an insn pattern if macros are used.
11982 2006-04-19 Alan Modra <amodra@bigpond.net.au>
11984 PR rtl-optimization/26026
11985 * fold-const.c (fold_binary): Optimize div and mod where the divisor
11986 is a known power of two shifted left a variable amount.
11988 2006-04-18 Geoffrey Keating <geoffk@apple.com>
11990 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
11991 to hash table twice when the debug_str section has SECTION_MERGE.
11993 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
11995 * config/soft-fp: New directory. From glibc.
11996 * config/soft-fp/t-softfp: New.
11997 * config/soft-fp/README: New.
11998 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
11999 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
12000 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
12001 (LIBGCC_DEPS): Add $(SFP_MACHINE).
12002 * config.gcc: Use rs6000/t-fprules-fpbit or
12003 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
12005 * config/rs6000/sfp-machine.h: New. Based on glibc.
12006 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
12008 * config/rs6000/t-fprules: Remove fp-bit rules.
12009 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
12010 * config/rs6000/t-linux64: Likewise. Remove duplicates from
12011 LIB2FUNCS_EXTRA. Remove fp-bit rules.
12012 (softfp_wrap_start, softfp_wrap_end): New.
12014 2006-04-18 DJ Delorie <dj@redhat.com>
12016 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
12018 2006-04-18 Devang Patel <dpatel@apple.com>
12020 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
12022 2006-04-18 Nick Clifton <nickc@redhat.com>
12024 * config/sh/t-symbian: Add rule to build sh-c.o
12025 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
12026 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
12027 (sh_symbian_encode_section_info): Likewise.
12029 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
12031 * builtins.c (expand_builtin_strcmp): Cover label definition of
12032 do_libcall with HAVE_cmpstrnsi.
12034 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
12036 * function.c (temp_slots_at_level, max_slot_level): Use VEC
12038 * function.h (temp_slot_p): New.
12039 (function): Change the type of x_used_temp_slots to
12040 VEC(temp_slot_p,gc) *.
12042 2006-04-18 Nick Clifton <nickc@redhat.com>
12044 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
12045 flag_strength_reduce.
12047 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
12049 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
12053 Partial revert of revision 112637
12054 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
12055 Dale Johannesen <dalej@apple.com>
12058 * regclass.c (struct reg_pref): Update documentation.
12059 (regclass): Set prefclass to NO_REGS if memory is the best option.
12060 (record_reg_classes): Cope with a prefclass set to NO_REGS.
12062 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
12064 PR tree-optimization/26821
12065 * tree-ssa-math-opts.c (get_constant_one): New.
12066 (insert_reciprocals): Use it.
12068 2006-04-17 Geoffrey Keating <geoffk@apple.com>
12070 * dwarf2out.c (free_AT): Delete.
12071 (remove_AT): Update string ref counts.
12072 (remove_child_TAG): Don't call free_die.
12073 (free_die): Delete.
12074 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
12075 or DW_TAG_GNU_EINCL.
12076 (prune_unused_types_walk_attribs): Reset string refcounts.
12077 (prune_unused_types_update_strings): New.
12078 (prune_unused_types_prune): Don't make unnecessary stores. Don't
12079 call free_die. Do call prune_unused_types_update_strings.
12080 (prune_unused_types): Empty debug_str_hash.
12082 2006-04-17 Roger Sayle <roger@eyesopen.com>
12084 * expr.c (expand_assignment): Optimize away no-op moves where the
12085 source and destination are equal and have no side-effects.
12087 2006-04-17 Richard Guenther <rguenther@suse.de>
12090 * reload.c (push_reload): Guard calls to get_secondary_mem
12091 for memory subregs.
12093 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
12095 * alias.c (reg_base_value, old_reg_base_value): Change the
12096 type to VEC(rtx,gc) *.
12097 (REG_BASE_VALUE, find_base_value, record_set,
12098 init_alias_analysis): Use VEC instead of VARRAY.
12100 * alias.c (alias_sets): Change the type to
12101 VEC(alias_set_entry,gc) *.
12102 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
12103 VEC instead of VARRAY.
12104 (last_alias_set): Remove.
12106 * cgraph.h (cgraph_edge_p): New.
12107 Update the prototype of cgraph_function_versioning.
12108 * cgraphunit.c (cgraph_copy_node_for_versioning,
12109 cgraph_function_versioning): Use VEC instead of VARRAY.
12110 * ipa-cp.c (ipcp_insert_stage): Likewise.
12112 2006-04-16 Roger Sayle <roger@eyesopen.com>
12115 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
12116 "A op B" or "A op C", we may need to convert A to the type of B and C.
12118 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
12120 * target.h (struct gcc_target): Add mode_rep_extended.
12121 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
12122 (init_num_sign_bit_copies_in_rep): Initialize it using
12124 (truncate_to_mode): Use it.
12125 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
12126 * targhooks.h (default_mode_rep_extended): Declare it.
12127 * targhooks.c (default_mode_rep_extended): Define it.
12128 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
12129 default_mode_rep_extended.
12130 (TARGET_INITIALIZER): Include it.
12131 * doc/tm.texi (Misc): Document it.
12132 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
12133 (mips_truncated_to_mode): New function.
12135 2006-04-16 Roger Sayle <roger@eyesopen.com>
12137 PR middle-end/25474
12138 * expr.c (compress_float_constant): Copy the narrow constant into
12139 a new pseudo before extending it to its final width.
12141 2006-04-16 Roger Sayle <roger@eyesopen.com>
12142 Andrew Pinski <pinskia@gcc.gnu.org>
12143 Dale Johannesen <dalej@apple.com>
12146 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
12147 special case code to implement V8HImode and V16QImode with SSE2.
12149 2006-04-15 Roger Sayle <roger@eyesopen.com>
12151 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
12152 trees are constructed with a suitable tree type.
12154 2006-04-15 Roger Sayle <roger@eyesopen.com>
12156 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
12157 (integer_onep): Likewise.
12158 (integer_all_onesp): Likewise.
12159 (integer_pow2p): Likewise.
12160 (integer_nonzerop): Likewise.
12161 (real_zerop): Likewise.
12162 (real_onep): Likewise.
12163 (real_twop): Likewise.
12164 (real_minus_onep): Likewise.
12165 (int_size_in_bytes): Likewise.
12166 (host_integerp): Likewise.
12168 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
12170 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
12171 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
12172 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
12174 * tree-ssa-structalias.h (alias_info): Remove num_references.
12176 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12178 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
12179 (output_bvb patterns): Likewise.
12180 * pa.c (output_bb): Use 'bb' insn for long branch case.
12181 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
12182 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
12183 1. Correct length operand for alternatives 1 and 2.
12184 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
12185 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
12187 2006-04-14 Roger Sayle <roger@eyesopen.com>
12189 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
12190 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
12191 were accidentally reverted by r112959.
12193 2006-04-15 Jakub Jelinek <jakub@redhat.com>
12195 PR middle-end/26823
12196 * except.h (eh_region_outermost): New prototype.
12197 * except.c (eh_region_outermost): New function.
12198 * tree-cfg.c (find_outermost_region_in_block): Use it.
12200 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
12202 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
12204 * reload1.c (reg_equiv_memory_loc_varray): Rename to
12205 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
12206 (init_reload, reload): Use VEC instead of VARRAY.
12207 * reload.h: Update the prototype for
12208 reg_equiv_memory_loc_varray.
12210 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
12211 Eric Botcazou <ebotcazou@libertysurf.fr>
12213 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
12214 register save area.
12216 2005-04-13 Uros Bizjak <uros@kss-loka.si>
12218 PR middle-end/27134
12219 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
12220 to expand fallback builtin function call.
12222 2006-04-14 Alan Modra <amodra@bigpond.net.au>
12224 PR middle-end/27095
12225 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
12226 and emit libcall here in case the builtin fails.
12227 (expand_builtin_strcmp): Always emit the libcall here on failure.
12229 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
12231 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
12232 * flow.c (reg_n_info): Change the type to
12233 VEC(reg_info_p,heap) *.
12234 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
12236 * regs.h (reg_info_p): New.
12237 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
12238 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
12239 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
12242 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
12244 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
12246 * params.h (MAX_SCHED_READY_INSNS): New macro.
12247 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
12248 past MAX_SCHED_READY_INSNS during the first scheduling pass.
12249 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
12250 the ready list for 1 cycle during the first scheduling pass.
12251 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
12253 2006-04-13 Richard Henderson <rth@redhat.com>
12256 * gimple-low.c (lower_omp_directive): Remove dead code.
12257 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
12258 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
12259 * omp-low.c (struct omp_region): Move to tree-flow.h.
12260 (root_omp_region): Export.
12261 (omp_regions, lookup_omp_region): Remove.
12262 (determine_parallel_type): Update for struct omp_region changes.
12263 (dump_omp_region): Dump regions with block numbers.
12264 (new_omp_region): Take type and block instead of stmt; malloc
12266 (free_omp_region_1, free_omp_regions): New.
12267 (expand_parallel_call): Take entry_stmt as argument; update for
12268 changes to omp_region.
12269 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
12270 (remove_exit_barriers): New.
12271 (expand_omp_parallel): Update for struct omp_region changes.
12272 (expand_omp_synch): Likewise.
12273 (expand_omp): Likewise.
12274 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
12275 (expand_omp_for_static_chunk): Likewise.
12276 (expand_omp_for): Likewise.
12277 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
12278 (expand_omp_sections): Similarly, with GOMP_sections_end.
12279 (expand_omp_single): New.
12280 (build_omp_regions_1): Update for OMP_CONTINUE.
12281 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
12282 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
12283 OMP_SECTIONS_SECTIONS.
12284 (lower_omp_single_simple): Don't emit barrier here.
12285 (lower_omp_single_copy): Likewise.
12286 (lower_omp_single): Fix bindings, and lower to straightline now.
12287 (lower_omp_master, lower_omp_ordered): Likewise.
12288 (lower_omp_critical): Likewise.
12289 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
12290 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
12291 omp edges, free it afterward.
12292 (make_omp_sections_edges): Remove.
12293 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
12294 (move_stmt_r): Handle OMP_CONTINUE.
12295 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
12296 statement pointers to basic blocks. Add type member.
12297 (root_omp_region, new_omp_region, free_omp_regions): Declare.
12298 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
12299 * tree-inline.c (estimate_num_insns_1): Likewise.
12300 * tree-pretty-print.c (dump_generic_node): Likewise.
12301 * tree-ssa-operands.c (get_expr_operands): Likewise.
12302 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
12303 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
12304 (OMP_CONTINUE): New.
12305 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
12306 (OMP_SECTIONS_SECTIONS): Remove.
12307 (OMP_SECTION_LAST): New.
12308 (OMP_RETURN_NOWAIT): New.
12310 2006-04-13 Roger Sayle <roger@eyesopen.com>
12312 * fold-const.c (native_encode_vector, native_interpret_real):
12313 Correct obvious mistakes in the previous check-in.
12315 2006-04-13 Roger Sayle <roger@eyesopen.com>
12317 * fold-const.c (native_encode_expr): New function to encode
12318 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
12319 or VECTOR_CST into a specified buffer.
12320 (native_encode_int): New function.
12321 (native_encode_real): New function.
12322 (native_encode_complex): New function.
12323 (native_encode_vector): New function.
12324 (native_interpret_expr): Inverse of native_encode_expr to convert
12325 a target representation into an INTEGER_CST, REAL_CST etc...
12326 (native_interpret_int): New function.
12327 (native_interpret_real): New function.
12328 (native_interpret_complex): New function.
12329 (native_interpret_vector): New function.
12330 (fold_view_convert_expr): New function to constant fold/evaluate
12331 a VIEW_CONVERT_EXPR of a suitable constant expression.
12332 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
12333 Change call of build1 to fold_build1 when constructing a
12336 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
12337 Ulrich Weigand <uweigand@de.ibm.com>
12340 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
12343 2006-04-13 Alan Modra <amodra@bigpond.net.au>
12346 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
12347 optimize to lo_sum for DFmode if !TARGET_FPRS.
12349 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12351 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
12352 delete_alias_info, compute_flow_sensitive_aliasing,
12353 group_aliases): Use VEC instead of VARRAY.
12354 * tree-ssa-structalias.c (update_alias_info): Likewise.
12355 * tree-ssa-structalias.h (alias_info): Change the type of
12356 processed_ptrs to VEC(tree,heap) *.
12358 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
12361 * config/sh/lib1funcs.h: New file, broken out of:
12362 * config/sh/lib1funcs.asm.
12363 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
12365 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
12366 * config/sh/lib1funcs-Os-4-200.asm: New file.
12367 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
12368 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
12369 (EXTRA_MULTILIB_PARTS): Include it.
12370 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
12371 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
12372 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
12373 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
12376 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12378 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
12379 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
12380 tpa_compact, root_var_init, type_var_init): Use VEC instead of
12382 * tree-ssa-live.h: Include vecprim.h.
12383 (tree_partition_associator_d): Change the type of
12384 first_partition to VEC(int,heap) *.
12385 (tpa_first_partition): Use VEC instead of VARRAY.
12387 * Makefile.in (GTFILES): Move functions.h after tree.h.
12388 * function.c (reset_block_changes, record_block_change,
12389 check_block_change, free_block_changes): Use VEC instead of
12391 * function.h (function): Change the type of
12392 ib_boundaries_block to VEC(tree,gc) *.
12393 * tree-inline.c (copy_cfg_body): Initialize
12394 ib_boundaries_block to NULL instead of (varray_type) 0.
12396 2006-04-12 Roger Sayle <roger@eyesopen.com>
12398 * expr.c (emit_group_store): Correct operand order in call to
12399 subreg_lowpart_offset. Always create paradoxical SUBREGs with
12400 a SUBREG_BYTE of zero.
12402 2006-04-12 Richard Guenther <rguenther@suse.de>
12404 * profile.c (compute_branch_probabilities): Remove code
12405 encapsulated in !ir_type (), which are remanents of the
12406 removed RTL profiling code.
12407 * rtl-profile.c: Remove.
12409 2006-04-12 Alan Modra <amodra@bigpond.net.au>
12411 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
12412 magic NULL_RTX comment.
12413 (function_arg): Store entire fp arg to mem if any part should go
12415 (rs6000_arg_partial_bytes): Adjust for above change.
12417 2006-04-11 Roger Sayle <roger@eyesopen.com>
12419 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
12420 if it hasn't been initialized by dwarf2out_init.
12422 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
12424 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
12425 symbolic constants in branch patterns.
12427 2006-04-11 Roger Sayle <roger@eyesopen.com>
12429 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
12431 2006-04-11 Richard Sandiford <richard@codesourcery.com>
12433 PR rtl-optimization/27073
12434 * gcse.c (try_replace_reg): Revert last change. Continue to search
12435 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
12438 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
12440 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
12441 aggregate types other than record and union types.
12442 (function_arg): Likewise.
12443 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
12445 (function_value): In 64-bit mode, return objects that require it
12448 2006-04-11 Roger Sayle <roger@eyesopen.com>
12450 * dwarf2out.c (premark_used_types): Remove problematic prototype.
12452 2006-04-11 Jakub Jelinek <jakub@redhat.com>
12454 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
12456 2006-04-03 Jeff Law <law@redhat.com>
12459 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
12460 alias information too.
12462 2006-04-10 Mike Frysinger <vapier@gentoo.org>
12464 * Makefile.in (gcc-cross): Add $(exeext) to target name.
12466 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
12469 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
12470 (premark_used_types_helper): New.
12471 (premark_used_types): New.
12472 (gen_subprogram_die): Call premark_used_types.
12473 (prune_unused_types_walk): Do not prune perennial dies.
12474 * function.c (used_types_insert): New.
12475 * function.h (struct function): Add used_types_hash field.
12476 (used_types_insert): Add prototype.
12477 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
12478 * c-parser.c (c_parser_cast_expression): Save casted types in used
12481 2006-04-11 Mark Mitchell <mark@codesourcery.com>
12484 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
12485 rs6000_explicit_options.float_gprs.
12487 2006-04-10 Roger Sayle <roger@eyesopen.com>
12489 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
12490 from ix86_expand_vector_init_low_nonzero. Take an additional
12491 one_var argument indicating which element is non-zero. Support
12492 one_var != 0 for V4SFmode and V4SImode by permuting the result.
12493 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
12494 with one_var instead of ix86_expand_vector_init_low_nonzero.
12496 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
12498 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
12499 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
12500 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
12501 build/genextract.o): Depend on vecprim.h.
12502 * cfglayout.c, df-problems.c, function.c, genextract.c,
12503 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
12504 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
12508 2006-04-10 Geoffrey Keating <geoffk@apple.com>
12510 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
12511 Declare VECs of this type.
12512 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
12513 (remove_children): Delete.
12514 (add_dwarf_attr): Use VEC routines.
12515 (add_AT_flag): Update for changes to add_dwarf_attr.
12516 (add_AT_int): Likewise.
12517 (add_AT_unsigned): Likewise.
12518 (add_AT_long_long): Likewise.
12519 (add_AT_vec): Likewise.
12520 (add_AT_string): Likewise.
12521 (add_AT_die_ref): Likewise.
12522 (add_AT_fde_ref): Likewise.
12523 (add_AT_loc): Likewise.
12524 (add_AT_loc_list): Likewise.
12525 (add_AT_addr): Likewise.
12526 (add_AT_lbl_id): Likewise.
12527 (add_AT_lineptr): Likewise.
12528 (add_AT_macptr): Likewise.
12529 (add_AT_offset): Likewise.
12530 (add_AT_range_list): Likewise.
12531 (get_AT): Use VEC_iterate.
12532 (remove_AT): Use VEC_ordered_remove.
12533 (free_die): Fold remove_children into here; have it use VEC_iterate.
12534 (print_die): Use VEC_iterate on attrs.
12535 (reverse_die_lists): Don't reverse attr lists.
12536 (die_checksum): Use VEC_iterate on attrs.
12537 (same_die_p): Likewise.
12538 (output_location_lists): Likewise.
12539 (build_abbrev_table): Likewise.
12540 (size_of_die): Likewise.
12541 (unmark_all_dies): Likewise.
12542 (output_abbrev_section): Likewise.
12543 (output_die): Likewise.
12544 (prune_unused_types_walk_attribs): Likewise.
12546 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12548 * doc/install.texi (*-*-solaris2*): Point to the configure page.
12550 2006-04-10 Jakub Jelinek <jakub@redhat.com>
12553 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
12555 2006-04-09 Roger Sayle <roger@eyesopen.com>
12557 * expr.c (store_constructor): Don't bother clearing target if
12558 we're about to assign a vector to it using vec_init_optab.
12560 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
12562 * tree-ssa-alias.c (lhs_may_store_to): New function.
12563 (recalculate_used_alone): Handle LHS of calls.
12565 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12569 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
12570 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
12571 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
12572 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
12573 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
12574 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
12575 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
12576 stubs. Add ".align 8" directives before all ".dword" directives.
12577 (GTHREAD_USE_WEAK): Revise comment.
12578 (TARGET_ATTRIBUTE_WEAK): Define.
12579 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
12580 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
12581 * stublib.c: New file.
12586 * pa.md (cbranch patterns): Revise arguments used in calls to
12587 output_cbranch, output_bb and output_bvd. Add long branch length
12589 (fbranch patterns): Handle long branches.
12590 (jump): Revise length check. Revise arguments for output_lbranch call.
12591 Add long branch length attributes.
12592 (decrement_and_branch_until_zero): Add long branch length attributes.
12593 (output_movb, output_parallel_addb and output_parallel_movb patterns):
12594 Likewise. Revise arguments for output_parallel_addb and
12595 output_parallel_movb calls.
12596 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
12597 output_parallel_movb and output_parallel_addb): Update prototypes.
12598 * pa.c (output_cbranch): Revise arguments. Correct handling of
12599 nullification in long branches.
12600 (output_lbranch): Add new argument to control extraction of delay
12602 (output_bb): Handle long branches.
12603 (output_bvb, output_dbra, output_movb, output_parallel_movb,
12604 output_parallel_addb): Likewise.
12606 2006-04-09 Richard Sandiford <richard@codesourcery.com>
12608 PR rtl-optimization/27073
12609 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
12612 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
12614 * tree.h (tree_memory_tag): Add old_used_alone.
12615 (SMT_OLD_USED_ALONE): New macro.
12616 * tree-ssa-alias.c (recalculate_used_alone): Stop
12617 marking things for renaming unnecessarily.
12619 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
12621 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
12622 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
12623 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
12624 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
12625 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
12626 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
12627 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
12628 spelling convensions.
12629 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
12630 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
12631 typos. Follow spelling conventions.
12633 2006-04-07 DJ Delorie <dj@redhat.com>
12635 * config/m32c/m32c.c (m32c_function_arg): Structures are always
12636 passed on the stack.
12637 (m32c_init_cumulative_args): When a function returns a structure,
12638 always pass the pointer to that return area on the stack.
12639 (m32c_function_arg_advance): Don't increment the parameter number
12640 if we're processing the returned structure pointer.
12641 (pushm_info): Reverse order of registers.
12643 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
12645 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
12646 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12647 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
12648 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
12649 build_int_cst_type.
12650 * tree-chrec.c (chrec_fold_multiply_poly_poly,
12651 chrec_fold_multiply): Same.
12652 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
12653 force_expr_to_var_cost): Same.
12654 * tree-mudflap.c (mf_xform_derefs_1): Same.
12655 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
12657 2006-04-07 David Edelsohn <edelsohn@gnu.org>
12659 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
12660 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
12663 2006-04-07 Jan Hubicka <jh@suse.cz>
12665 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
12667 2006-04-07 Richard Guenther <rguenther@suse.de>
12669 PR tree-optimization/26135
12670 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
12671 loads for store copy-prop.
12672 (copy_prop_visit_stmt): Likewise.
12674 2006-04-05 Robert Millan <robertmh@gnu.org>
12676 * config/i386/linux.h: Add a comment to mark macros that are
12677 being overriden in config/k*bsd-gnu.h.
12678 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
12680 * config/knetbsd-gnu.h: Ditto.
12682 2006-04-06 Jan Hubicka <jh@suse.cz>
12686 * coverage.c (coverage_checksum_string): Reorganize loop to not read
12689 2006-04-06 Mike Stump <mrs@apple.com>
12691 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
12692 for HAVE_nonlocal_goto to be consistent.
12693 (expand_builtin_nonlocal_goto): Likewise.
12694 (expand_builtin_strcmp): Use #ifdef instead of #if
12695 for HAVE_cmpstrnsi to be consistent.
12697 2006-04-05 DJ Delorie <dj@redhat.com>
12699 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
12702 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
12704 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
12705 got-relative addressing for anything but SImode.
12707 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
12708 even if the calling function doesn't modify them.
12710 2006-04-05 Richard Guenther <rguenther@suse.de>
12712 PR tree-optimization/26919
12713 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
12714 to cgraph_estimate_size_after_inlining.
12716 2006-04-05 Alan Modra <amodra@bigpond.net.au>
12718 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
12720 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
12722 PR tree-optimization/26996
12723 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
12724 VECTOR_TYPE variables.
12726 2006-04-05 Richard Guenther <rguenther@suse.de>
12728 PR tree-optimization/26763
12729 * fold-const.c (fold_comparison): Move folding of
12730 PTR + CST CMP PTR + CST ...
12731 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
12733 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
12735 * doc/install.texi (Prerequisites): Refine some wording on
12736 bootstrapping and ksh.
12737 Move the version numbers of DejaGnu here from the testing section
12738 and fix casing of names.
12739 Fix markup and clarify wording for autogen requirements.
12740 Refer to GCJ instead of just java.
12741 Refer to SVN instead of CVS.
12742 Describe diffutils as useful instead of necessary.
12743 (Downloading the source): Refer to SVN instead of CVS.
12744 Adjust a link to our web site accordingly.
12745 (Configuration): Fix casing of Bison.
12746 (Building): Refer to SVN instead of CVS.
12747 Fix a sentence on the use of Bison and remove duplicate (and
12748 incorrect) version number of Bison requirement.
12749 Remove one redundant list of packages needed for building.
12750 (Specific): Avoid reference to CVS.
12752 2006-04-04 Eric Christopher <echristo@apple.com>
12754 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
12755 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
12756 (rs6000_handle_struct_attribute): New.
12757 (rs6000_ms_bitfield_layout_p): Ditto.
12759 2006-04-04 Geoffrey Keating <geoffk@apple.com>
12761 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
12762 NULL for dso parameter to atexit_common.
12764 2006-04-04 Eric Christopher <echristo@apple.com>
12766 * config/i386/i386.c (machopic_output_stub): Output \t
12767 between instructions and operands.
12769 2006-04-04 David Edelsohn <edelsohn@gnu.org>
12771 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
12772 satisfies_constraint_[IL] to explicit tests on value.
12774 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
12776 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
12777 set_nb_iterations_in_loop): Use build_int_cst instead of
12778 build_int_cst_type.
12779 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
12780 build_int_cst instead of convert.
12782 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
12784 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
12785 new value 2 for incoming.
12786 * function.c (expand_function_start): Call struct_value_rtx
12787 with incoming as 2.
12788 * config/sparc/sparc.md: Comment updated_return.
12789 * config/sparc/sparc.opt: Add -mstd-struct-return option.
12790 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
12791 struct return if sparc_std_struct_return and incoming is 2.
12792 (print_operand): Do not adjust return if
12793 sparc_std_struct_return.
12795 2006-04-04 Roger Sayle <roger@eyesopen.com>
12797 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
12798 convert in the middle-end.
12799 * expr.c (store_expr, store_constructor, get_inner_reference,
12800 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
12802 * tree.c (build_range_type): Likewise.
12804 2006-04-04 Tom Tromey <tromey@redhat.com>
12806 * doc/install.texi (Prerequisites): Mention jar.
12808 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
12810 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
12813 2006-04-04 Matthias Klose <doko@debian.org>
12815 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
12819 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
12822 2006-04-03 Geoffrey Keating <geoffk@apple.com>
12824 * doc/extend.texi (Function Attributes): Rewrite visibility
12825 attribute documentation.
12826 * doc/invoke.texi (C++ Dialect Options): Rewrite
12827 -fvisibility-inlines-hidden documentation to describe something
12828 entirely different, although in practise compatible.
12829 (Code Gen Options): Warn about system headers in -fvisibility=
12832 * doc/extend.texi (Other Builtins): Document that
12833 __builtin_nan is a compile-time constant only when its argument
12836 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
12838 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
12839 trying to remove TRUNCATE check if all bits outside the new mode
12840 are identical to the sign bit.
12842 2006-04-03 Jeff Law <law@redhat.com>
12844 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
12845 and operand scanning in some common cases.
12847 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
12848 Dale Johannesen <dalej@apple.com>
12851 * regclass.c (struct reg_pref): Update documentation.
12852 (regclass): Set prefclass to NO_REGS if memory is the best option.
12853 (record_reg_classes): Cope with a prefclass set to NO_REGS.
12854 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
12855 into account. For non-registers, equate an empty preferred
12856 reload class to a `!' in the constraint; move the if clause to
12857 do so after those that reject the insn.
12858 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
12860 (find_dummy_reload): Likewise.
12861 * doc/tm.texi (Register Classes): Document what it means
12862 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
12863 * config/i386/i386.c (ix86_preferred_reload_class): Force
12864 using SSE registers (and return NO_REGS for floating-point
12865 constants) if math is done with SSE.
12866 (ix86_preferred_output_reload_class): New.
12867 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
12868 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
12869 * config/i386/i386.md: Remove # register preferences.
12871 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12874 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
12875 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
12876 the type of nb_iter.
12877 (instantiate_parameters_1): Convert the operands before calling
12878 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
12879 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
12881 2006-04-02 Roger Sayle <roger@eyesopen.com>
12883 * builtins.c (dummy_object): Use build_int_cst instead of convert.
12884 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
12885 instead of convert.
12886 * dojump.c (do_jump): Likewise.
12887 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
12888 * gimplify.c (gimple_boolify, gimplify_init_constructor,
12889 gimplify_boolean_expr): Likewise.
12890 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
12891 * varasm.c (array_size_for_constructor): Likewise.
12892 * tree-object-size.c (compute_object_offset): Likewise.
12894 2006-04-02 Roger Sayle <roger@eyesopen.com>
12896 PR middle-end/26977
12897 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
12898 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
12900 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12902 PR tree-optimization/26939
12903 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
12905 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12907 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
12908 at_stmt. Convert the type of operands before calling
12909 build_polynomial_chrec.
12910 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
12911 add_to_evolution_1.
12912 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
12913 (instantiate_parameters_1): Convert the type of operands before calling
12914 build_polynomial_chrec.
12915 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
12916 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
12917 reset_evolution_in_loop): Insert asserts to check the types of the
12919 (chrec_type): Moved...
12920 (eq_evolutions_p): Use operand_equal_p.
12921 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
12922 the types of the operands.
12923 (chrec_type): ...here.
12924 * tree-data-ref.c (create_data_ref): Convert the operands before
12925 calling chrec_replace_initial_condition.
12926 (same_access_functions, analyze_subscript_affine_affine,
12927 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
12928 (compute_subscript_distance, analyze_ziv_subscript,
12929 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
12930 analyze_miv_subscript): Convert the operands before calling
12931 chrec_fold_minus or chrec_fold_plus.
12933 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12935 * tree-data-ref.c (compute_all_dependences): Use a pointer to
12936 the dependence_relations vector.
12937 (compute_data_dependences_for_loop): Adjust call to
12938 compute_all_dependences.
12940 2006-04-01 Roger Sayle <roger@eyesopen.com>
12941 Richard Henderson <rth@redhat.com>
12943 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
12944 gimple_boolify on the condition before calling gimplify_expr.
12946 2006-03-31 Bob Wilson <bob.wilson@acm.org>
12948 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
12949 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
12950 the frame size. Update to use the new macros.
12951 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
12952 * config/xtensa/ieee754-df.S: Likewise.
12954 2006-03-31 Richard Henderson <rth@redhat.com>
12956 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
12957 (make_edges): ... here. Control fallthru creation with a local
12958 variable. Do not play with fake edges.
12959 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
12960 (make_goto_expr_edges): Don't play with fake edges. Make for_call
12963 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
12965 * dwarf2.h (DW64_CIE_ID): Define.
12966 * dwarf2out.c (DWARF_CIE_ID): Define.
12967 (output_call_frame_info): Output 0xffffffff before standard 8-byte
12968 length header. Use DWARF_CIE_ID.
12969 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
12970 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
12972 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
12974 * config/sh/linux-atomic.asm: New file.
12975 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
12977 2006-03-31 DJ Delorie <dj@redhat.com>
12979 * config/m32c/cond.md: Set condition flags properly throughout.
12980 * config/m32c/minmax.md: Likewise.
12981 * config/m32c/prologue.md: Likewise.
12982 * config/m32c/bitops.md: Likewise.
12983 * config/m32c/muldiv.md: Likewise.
12984 * config/m32c/mov.md: Likewise.
12985 * config/m32c/addsub.md: Likewise.
12986 * config/m32c/m32c.md: Likewise.
12987 * config/m32c/jump.md: Likewise.
12988 * config/m32c/shift.md: Likewise.
12990 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
12991 conditionally output the pattern for this.
12992 * config/m32c/m32c.c (flags_needed_for_conditional): New.
12993 (m32c_compare_redundant): New.
12994 (m32c_output_compare): New.
12995 * config/m32c/m32c-protos.h (m32c_output_compare): New.
12997 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
12998 dest, not src. Allow other 4-byte modes.
13000 2006-03-30 Denis Chertykov <denisc@overta.ru>
13002 * doc/md.texi: Refer to avr/constraints.md instead of
13005 2006-03-30 Roger Sayle <roger@eyesopen.com>
13007 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
13008 signed vs. unsigned comparison failures on some hosts.
13010 2006-03-31 Alan Modra <amodra@bigpond.net.au>
13013 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
13014 change to FLOAT_REGS.
13016 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
13017 (rs6000_override_options): Use it.
13018 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
13019 only for -mabi=spe/no-spe and -mabi=altivec.
13021 2006-03-30 Geoffrey Keating <geoffk@apple.com>
13023 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
13026 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
13028 * Makefile.in: Rename docdir to gcc_docdir.
13030 2006-03-30 Roger Sayle <roger@eyesopen.com>
13033 * expr.c (emit_group_store): Optimize group stores into a pseudo
13034 register by using a paradoxical subreg to initialize the destination
13035 if the first or last member of the group specifies a "low part".
13037 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13040 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
13041 * target.h (struct gcc_target.speculate_insn): Change type of the
13042 second parameter to 'int'.
13043 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
13044 the second operand of the DEPS_LIST.
13045 (copy_DEPS_LIST_list): Update reference to the second operand of the
13047 * rtl.h (alloc_DEPS_LIST): Update signature.
13048 * sched-int.h (ds_t): Change typedef to 'int'.
13049 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
13051 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13053 * haifa-sched.c (try_ready): Change condition to restore
13054 non-speculative pattern of the instruction.
13055 (process_insn_depend_be_in_spec): Code to keep probability of the
13056 speculative dependence non-decreasing.
13058 2006-03-30 Jie Zhang <jie.zhang@analog.com>
13060 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
13061 (single_move_for_movmem): ... this. Also change all uses.
13062 (bfin_expand_strmov): Renamed to...
13063 (bfin_expand_movmem): ... this. Also change all uses.
13064 * config/bfin/bfin.md (movstrsi): Renamed to...
13065 (movstrsi): ...this.
13067 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
13069 PR tree-optimization/26830
13071 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
13072 (copy_prop_visit_stmt): Remove write-only variable ann.
13073 (init_copy_prop): Check variable loop depth here. Do not simulate
13074 memory-tag and virtual operand PHIs except for store copy prop.
13076 2006-03-30 Richard Guenther <rguenther@suse.de>
13078 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
13079 variants with double arguments.
13081 2006-03-29 David Edelsohn <edelsohn@gnu.org>
13083 * genpreds.c (write_tm_constrs_h): Delete variable p.
13084 * genconditions.c (write_header): Add tm-constrs.h to included
13086 * genpeep.c (main): Add toplev.h to included headers.
13087 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
13088 (build/genpeep.o): Add toplev.h dependency.
13089 * config/rs6000/constraints.md: Add "W" constraint.
13091 2006-03-29 Roger Sayle <roger@eyesopen.com>
13093 * stor-layout.c (mode_for_size_tree): Remove restiction on type
13094 sizes by correctly testing whether the size fits a host integer.
13095 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
13096 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
13097 SImode range for the default sizetype and bitsizetype.
13099 2006-03-29 Roger Sayle <roger@eyesopen.com>
13101 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
13102 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
13103 quickly if the argument is already of the correct type.
13104 Call fold_build1 instead of build1. Tidy up blank lines.
13106 2006-03-29 David Edelsohn <edelsohn@gnu.org>
13108 * genemit.c (main): Add tm-constrs.h to included headers.
13109 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
13110 * genpeep.c (main): Add tm-constrs.h to included headers.
13111 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
13112 (write_tm_constrs_h): this and write complete file.
13113 (write_tm_preds_h): Do not emit satisfies_constraint fns.
13114 (write_insn_preds_c): Add tm-constrs.h to included headers.
13115 (gen_constrs): New variable.
13116 (parse_option): Parse "-c".
13117 (main): Invoke write_tm_constrs_h.
13118 * genrecog.c (write_header): Add tm-constrs.h to included headers.
13119 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
13120 (object_out_file): Add tm-constrs.h dependency.
13121 (insn-emit.o): Same.
13122 (insn-output.o): Same.
13123 (insn-peep.o): Same.
13124 (insn-preds.o): Same.
13125 (insn-recog.o): Same.
13126 (tm-constsr.h): New target.
13127 (s-constrs-h): New target.
13129 * config/rs6000/constraints.md: New file.
13130 * config/rs6000/rs6000.c: Include tm-constrs.h.
13131 (num_insn_constant_wide): Convert to satisfies_constraint.
13132 (rs6000_rtx_costs): Convert to satisfies_constraint.
13133 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
13134 (CONST_OK_FOR_LETTER_P): Delete.
13135 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13136 (EXTRA_CONSTRAINT): Delete.
13137 (EXTRA_MEMORY_CONSTRAINT): Delete.
13138 (EXTRA_ADDRESS_CONSTRAINT): Delete.
13139 * config/rs6000/predicates.md: Convert to satisfies_constraint.
13140 * config/rs6000/rs6000.md: Include constraints.md. Convert to
13141 satisfies_constraint.
13143 * config/i386/i386.c: Include tm-constrs.h.
13145 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
13147 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
13148 * tree-data-ref.c (find_data_references_in_loop,
13149 compute_data_dependences_for_loop): Use pointers to VEC.
13150 (analyze_all_data_dependences): Adjust calls.
13151 * tree-data-ref.h (find_data_references_in_loop,
13152 compute_data_dependences_for_loop): Adjust declarations.
13153 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
13154 compute_data_dependences_for_loop.
13156 2006-03-29 Paul Brook <paul@codesourcery.com>
13158 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
13159 (movdf_vfp): Ditto.
13161 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
13163 PR tree-optimization/26859
13164 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
13166 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
13167 for the step after fold_convert.
13169 2006-03-29 Paul Brook <paul@codesourcery.com>
13171 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
13172 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
13174 2006-03-29 Paul Brook <paul@codesourcery.com>
13176 PR middle-end/23623
13177 * targhooks.c (default_narrow_bitfield): New fuction.
13178 * targhooks.h (default_narrow_bitfield): add prototype.
13179 * target.h (gcc_target): Add narrow_volatile_bitfield.
13180 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
13181 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
13182 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
13183 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
13185 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
13187 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
13189 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
13190 (NR_C_MODES): Add TDmode, DDmode and SDmode.
13191 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
13192 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
13193 (s390_function_arg_float): Allow SDmode and DDmode values to be
13194 passed in floating point registers.
13195 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
13196 check with SCALAR_FLOAT_MODE_P.
13197 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
13199 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
13201 PR tree-optimization/25985
13202 * tree-ssa-loop-niter.c (number_of_iterations_le,
13203 number_of_iterations_ne): Make comments more precise.
13204 (number_of_iterations_cond): Add only_exit argument. Use the
13205 fact that signed variables do not overflow only when only_exit
13207 (loop_only_exit_p): New.
13208 (number_of_iterations_exit): Pass result of loop_only_exit_p to
13209 number_of_iterations_cond.
13211 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
13213 PR tree-optimization/26643
13214 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
13217 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
13219 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
13220 (divsi3_i4_int): Likewise.
13222 2006-03-28 Roger Sayle <roger@eyesopen.com>
13224 * expr.c (emit_group_store): Only create a new pseudo reg if the
13225 quantity it needs to hold isn't already a suitable pseudo.
13227 2006-03-28 Jeff Law <law@redhat.com>
13229 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
13230 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
13232 2006-03-28 Roger Sayle <roger@eyesopen.com>
13234 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
13235 the equivalent ~X & Y, and the symmetry related transformations.
13236 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
13237 ~X & Y, and symmetry related transforms.
13239 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13241 Revert my 2006-03-27 patches.
13243 2006-03-28 Roger Sayle <roger@eyesopen.com>
13245 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
13246 ~(T1)X, when T1 and T2 are integer types of the same precision
13247 and (T2)X isn't an extension.
13249 2006-03-28 Jeff Law <law@redhat.com>
13251 PR tree-optimization/26796
13252 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
13253 need EH edge cleanups rather than purging them immediately.
13254 (eliminate_degenerate_phis): Handle queued EH cleanups.
13256 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
13258 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
13261 2006-03-27 Roger Sayle <roger@eyesopen.com>
13263 PR middle-end/22524
13264 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
13265 cast BIT_NOT_EXPR operand to the correct type.
13267 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
13269 * tree-loop-linear.c: Don't include varray.h.
13270 (gather_interchange_stats, try_interchange_loops,
13271 linear_transform_loops): Use VEC instead of VARRAY.
13272 * lambda-mat.c: Don't include varray.h.
13273 * tree-chrec.c: Same.
13274 * lambda-trans.c: Same.
13275 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
13276 VEC instead of VARRAY.
13277 * tree-vectorizer.h: Idem.
13278 * tree-data-ref.c (dump_data_references,
13279 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
13280 initialize_data_dependence_relation, finalize_ddr_dependent,
13281 compute_all_dependences, find_data_references_in_loop,
13282 compute_data_dependences_for_loop, analyze_all_data_dependences,
13283 free_dependence_relation, free_dependence_relations,
13284 free_data_refs): Idem.
13285 * tree-data-ref.h (data_reference_p, subscript_p): New.
13286 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
13287 VEC instead of VARRAY.
13288 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
13289 (find_data_references_in_loop, compute_data_dependences_for_loop,
13290 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
13291 dump_data_dependence_relations, free_dependence_relations,
13292 free_data_refs): Adjust declaration.
13293 (lambda_transform_legal_p): Move declaration here...
13294 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
13295 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
13296 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
13297 vect_analyze_data_refs): Use VEC instead of VARRAY.
13298 * lambda.h (lambda_transform_legal_p): ...from here.
13299 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
13300 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
13301 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
13302 tree-chrec.o): Don't depend on VARRAY_H.
13304 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13306 * rtl.def (Copyright): Update date.
13307 (DEPS_LIST): Change type of the second operand to 'int'.
13308 * target.h (Copyright): Update date.
13309 (struct gcc_target.speculate_insn): Change type of the second parameter
13311 * lists.c (Copyright): Update date.
13312 (alloc_DEPS_LIST): Change signature. Update reference to the second
13313 operand of the DEPS_LIST.
13314 (copy_DEPS_LIST_list): Update reference to the second operand of the
13316 * rtl.h (Copyright): Update date.
13317 (alloc_DEPS_LIST): Update signature.
13318 * sched-int.h (Copyright): Update date.
13319 (ds_t): Change typedef to 'int'.
13320 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
13322 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13324 * haifa-sched.c (Copyright): Update date.
13325 (try_ready): Change condition to restore non-speculative pattern
13326 of the instruction.
13327 (process_insn_depend_be_in_spec): Code to keep probability of the
13328 speculative dependence non-decreasing.
13330 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
13332 * regrename.c (replace_oldest_value_addr): Initialize a variable to
13333 shut up the compiler.
13335 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
13337 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
13338 to use lib prefix for target.
13339 ($(T)libic_invalidate_array_4-200.a): Likewise.
13340 ($(T)libic_invalidate_array_4a.a): Likewise.
13342 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
13343 J"orn Rennecke <joern.rennecke@st.com>
13345 * superh.opt: New file.
13346 * sh.c (boardtype, osruntime): Remove.
13347 * superh.h (SUBTARGET_OPTIONS): Remove.
13348 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
13350 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
13351 arguments with ^ and/or [].
13353 * config.gcc (sh-*-*): Add quoting to account for quirk of
13355 Replace == with = in enable_incomplete_targets test.
13357 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
13358 with MASK_LITTLE_ENDIAN.
13360 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
13361 * config/sh/sh.opt: Added to some comments.
13362 * config/sh/superh.h: Removed some chaff.
13364 * config/sh/sh.opt: Add m4-[1234]00* options.
13365 * config/sh/sh.c (sh_handle_option): Likewise.
13366 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
13367 (ic_invalidate_array_4-100.o): New rule.
13368 ($(T)libic_invalidate_array_4-100.a): Likewise.
13369 (ic_invalidate_array_4-200.o): Likewise.
13370 ($(T)libic_invalidate_array_4-200.a): Likewise.
13371 (ic_invalidate_array_4a.o): Likewise.
13372 ($(T)libic_invalidate_array_4a.a): Likewise.
13373 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
13374 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
13376 * config/sh/crt1.asm: Merged in profiling code.
13377 * config/sh/superh.h (STARTFILE_SPEC): Override.
13378 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
13379 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
13380 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
13382 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
13383 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
13384 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
13386 * sh.opt (mpretend-cmove): New option.
13387 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
13388 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
13389 (movsicc): Add TARGET_PRETEND_CMOVE code.
13391 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
13393 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
13394 s390_class_max_nregs): New function prototypes.
13395 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
13396 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
13397 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
13398 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
13400 2006-03-26 Geoffrey Keating <geoffk@apple.com>
13402 * dwarf2out.c (add_location_or_const_value_attribute): Call
13403 tree_add_const_value_attribute if nothing else works.
13404 (reference_to_unused): New.
13405 (rtl_for_decl_init): Use reference_to_unused to decide whether
13406 to output an initializer.
13408 2006-03-27 Alan Modra <amodra@bigpond.net.au>
13411 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
13412 peephole removing spe frob_di_df_2.
13414 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
13416 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
13417 (subscript_dependence_tester_1): Declared.
13418 (print_dir_vectors, print_dist_vectors): New.
13419 (debug_data_dependence_relation): New.
13420 (dump_data_dependence_relation): Print more details.
13421 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
13422 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
13423 (save_dist_v, save_dir_v, add_outer_distances,
13424 build_classic_dist_vector_1): New.
13425 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
13426 Don't test for lambda_vector_lexico_pos.
13427 (same_access_functions, add_multivariate_self_dist,
13428 add_other_self_distances, dir_from_dist): New.
13429 (build_classic_dir_vector): Replace implementation almost identical to
13430 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
13432 (subscript_dependence_tester_1): New.
13433 (subscript_dependence_tester): Handle the lexicographically negative
13434 distance vectors by recomputing the dependence relation.
13435 (compute_affine_dependence): Remove parameter loop_nest_depth.
13436 (compute_self_dependence): Don't call compute_subscript_distance.
13437 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
13438 Add a parameter for the loop_nest.
13439 (find_loop_nest_1, find_loop_nest): New.
13440 (compute_data_dependences_for_loop): Compute the loop nest, and give
13441 up if the nest is not well formed.
13442 * tree-data-ref.h (loop_p): New.
13443 (struct data_dependence_relation): Replace size_vect field with
13444 loop_nest, a vec of loops.
13445 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
13446 (DDR_LOOP_NEST): New.
13447 (print_dir_vectors, print_dist_vectors,
13448 debug_data_dependence_relation): Declared.
13449 (index_in_loop_nest): New.
13450 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
13451 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
13454 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
13456 * simplify-rtx.c (simplify_relational_operation): Call
13457 simplify_relational_operation_1 even if mode is VOIDmode.
13459 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
13461 PR tree-optimization/26804
13462 * tree.h (DECL_CALL_CLOBBERED): New macro.
13463 (tree_decl_common): Add call_clobbered_flag.
13464 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
13465 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
13466 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
13467 (mark_non_addressable): Ditto.
13468 * tree-ssa.c (verify_call_clobbered): New function.
13469 (verify_alias_info): Use it.
13470 * tree-pass.h (pass_reset_cc_flags): New prototype.
13471 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
13472 (reset_cc_flags): New function.
13473 * passes.c (init_optimization_passes): Call reset_cc_flags after
13474 initializing referenced_vars.
13476 2006-03-25 Uros Bizjak <uros@kss-loka.si>
13477 Roger Sayle <roger@eyesopen.com>
13479 PR middle-end/26717
13480 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
13481 to 1.0 for non-real operands. Implement A / A optimization for
13484 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
13486 * config/i386/i386.c (size_cost): Correct the comment for
13487 cost of storing fp registers.
13488 (i386_cost): Likewise.
13489 (i486_cost): Likewise.
13490 (pentium_cost): Likewise.
13491 (pentiumpro_cost): Likewise.
13492 (k6_cost): Likewise.
13493 (athlon_cost): Likewise.
13494 (k8_cost): Likewise.
13495 (pentium4_cost): Likewise.
13496 (nocona_cost): Likewise.
13497 (generic64_cost): Likewise.
13498 (generic32_cost): Likewise.
13500 2006-03-24 Denis Chertykov <denisc@overta.ru>
13502 * config/avr/avr-protos.h (extra_constraint): Delete.
13503 (extra_constraint_Q): New declaration.
13504 * config/avr/constraints.md: New file.
13505 * config/avr/avr.md: Include it.
13506 (REG_X, REG_Y, REG_Z, REG_W): New constants.
13507 (TMP_REGNO, ZERO_REGNO): Likewise.
13508 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
13509 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
13510 (extra_constraint): Delete.
13511 (extra_constraint_Q): Test for memory constraint 'Q'.
13512 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
13513 (REG_CLASS_FROM_LETTER): Delete.
13514 (CONST_OK_FOR_LETTER_P): Delete.
13515 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13516 (EXTRA_CONSTRAINT): Delete.
13517 (TMP_REGNO): Delete.
13518 (ZERO_REGNO): Delete.
13520 2006-03-24 Jeff Law <law@redhat.com>
13522 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
13523 directly. Call mark_new_vars_to_rename slightly earlier.
13525 2006-03-24 Geoffrey Keating <geoffk@apple.com>
13527 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
13528 (is_cxx): Likewise.
13529 (gen_compile_unit_die): Use new language types for Objective-C and
13531 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
13532 DW_LANG_C_plus_plus.
13535 * config/t-darwin (crt3.o): Work around bug 26840.
13536 * config/darwin-crt3.c: Rewrite.
13537 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
13539 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
13541 * doc/invoke.texi: Document -femit-class-debug-always
13542 * common.opt: Add -femit-class-debug-always.
13544 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
13546 * config/s390/s390.c (s390_decompose_address): Allow SImode for
13547 index and base register.
13548 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
13549 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
13550 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
13551 REGNO_OK_FOR_INDEX_P.
13552 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
13554 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
13555 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
13556 REG_OK_FOR_BASE_P): Definitions removed.
13558 2006-03-24 Jakub Jelinek <jakub@redhat.com>
13560 PR middle-end/26611
13561 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
13562 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
13563 set yet or weren't marked as local yet.
13565 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
13567 * regrename.c (scan_rtx_address): Initialize a variable to shut up
13570 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
13572 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
13573 (rs6000_legitimate_small_data_p): Delete.
13574 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
13575 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
13576 and make static. Add forward declaration. Update uses.
13577 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
13578 of offsettable_memref_p.
13579 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
13580 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
13582 2006-03-24 Jeff Law <law@redhat.com>
13584 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
13585 around bug in immediate-use iterator.
13587 2006-03-24 Alan Modra <amodra@bigpond.net.au>
13590 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
13591 or __LITTLE_ENDIAN__.
13593 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
13595 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
13596 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
13597 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
13598 * config/sh/sh.opt (mdiv=): Amend description.
13599 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
13600 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
13601 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
13602 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
13603 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
13604 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
13605 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
13606 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
13607 TARGET_DIVIDE_CALL_FP.
13609 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13611 * haifa-sched.c (choose_ready): Fix type of the local variable.
13612 Move local variables. Add comment.
13613 (check_reg_live): Change signature. Make callable from debugger.
13614 * sched-int.h (check_reg_live): Update signature.
13615 * sched-ebb.c (check_reg_live): Update parameters.
13616 * sched-rgn.c (check_reg_live): Ditto.
13617 (region_head_or_leaf_p): Check pointer before dereferencing.
13618 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
13619 before reload on optimization levels below 1.
13621 2006-03-23 Richard Henderson <rth@redhat.com>
13623 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
13627 * config/alpha/predicates.md (local_symbolic_operand): Reject
13630 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
13633 * tree-ssa-pre.c (create_value_expr_from): Don't reject
13634 expressions which have overflowed constants.
13636 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13638 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
13640 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13642 * cfgloopmanip.c (create_loop_notes): Removed.
13643 * final.c (final_scan_insn): Do not handle loop notes.
13644 * jump.c (squeeze_notes): Ditto.
13645 * cfglayout.c (skip_insns_after_block,
13646 duplicate_insn_chain): Ditto.
13647 * cfgcleanup.c (rest_of_handle_jump2): Do not call
13649 * cfgloop.h (create_loop_notes): Declaration removed.
13651 2006-03-23 Richard Sandiford <richard@codesourcery.com>
13653 * varasm.c (output_constant_pool): Restore fnname and fndecl
13655 (assemble_start_function): Adjust call accordingly.
13656 (assemble_end_function): Likewise.
13658 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13661 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
13664 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
13666 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13669 * system.h (ICE_EXIT_CODE): New macro.
13670 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
13671 (diagnostic_action_after_output): Likewise.
13672 * gcc.c (fatal_ice): New function.
13673 (execute): Use it instead of fatal.
13674 (fancy_abort): Likewise.
13675 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
13677 2006-03-22 Jeff Law <law@redhat.com>
13679 * loop-unroll.c (analyze_iv_to_split_insn): Handle
13680 iv_analyze_result returning false.
13682 2006-03-22 Jie Zhang <jie.zhang@analog.com>
13684 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
13686 2006-03-22 Richard Henderson <rth@redhat.com>
13688 PR middle-end/26084
13689 * except.c (duplicate_eh_regions_0): New.
13690 (duplicate_eh_region_1): Duplicate the children of the node as
13691 well as the node itself. Link them up properly.
13692 (duplicate_eh_region_2): Merge into ...
13693 (duplicate_eh_regions): ... here. Take copy_region argument, and
13694 copy only a sub-tree if asked. Simplify copying and fixup.
13695 (eh_region_outer_p): New.
13696 * except.h (duplicate_eh_regions): Update decl.
13697 (eh_region_outer_p): Declare.
13698 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
13699 (lower_omp_master): Likewise.
13700 (lower_omp_ordered): Likewise.
13701 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
13702 (move_stmt_r): Use it to remap labels. Handle recursion vs
13703 remap_decls_p properly.
13704 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
13705 (find_outermost_region_in_block): New.
13706 (new_label_mapper): New.
13707 (move_sese_region_to_fn): Copy eh information to the new function
13709 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
13711 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
13714 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13716 * doc/md.texi (-mshared): Mention that -mshared code can be linked
13717 into shared libraries.
13719 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13721 * doc/md.texi: Refer to i386/constraints.md instead of
13722 i386/predicates.md.
13723 * config/i386/constraints.md: New file, extracted from...
13724 * config/i386/predicates.md: ...here.
13725 * config/i386/i386.md: Include constraints.md.
13727 2006-03-21 Jason Merrill <jason@redhat.com>
13729 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
13731 PR middle-end/20297
13732 * expr.c (init_block_move_fn): Force default visibility.
13733 (init_block_clear_fn): Likewise.
13734 * builtins.c (expand_builtin_fork_or_exec): Likewise.
13735 * targhooks.c (default_external_stack_protect_fail): Likewise.
13737 2006-03-21 Richard Sandiford <richard@codesourcery.com>
13739 * config/mips/predicates.md (const_call_insn_operand): Allow direct
13740 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
13741 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
13742 Use TARGET_OLDABI instead of !TARGET_NEWABI.
13743 (loadgp): Use mips_current_loadgp_style.
13744 (loadgp_noshared): New pattern.
13745 (sibcall_internal): Use MIPS_CALL.
13746 (sibcall_value_internal): Likewise.
13747 (sibcall_value_multiple_internal): Likewise.
13748 (call_internal): Likewise.
13749 (call_value_internal): Likewise.
13750 (call_value_multiple_internal): Likewise.
13751 (call_split): Use MIPS_CALL and add an 'S' constraint.
13752 (call_value_split): Likewise.
13753 (call_value_multiple_split): Likewise.
13754 * config/mips/mips.opt (-mabicalls): Tweak docstring.
13755 (-mshared): New option.
13756 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
13757 (mips_current_loadgp_style): Declare.
13758 * config/mips/mips.c (mips_classify_symbol): Avoid using
13759 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
13760 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
13761 TARGET_ABSOLUTE_ABICALLS.
13762 (override_options): Adjust comments. Improve the warning that is
13763 issued when -mabicalls and -G are used together.
13764 (mips_file_start): Remove comment.
13765 (mips_current_loadgp_style): New function.
13766 (mips_gnu_local_gp): New variable.
13767 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
13769 (mips_output_function_prologue): Use mips_current_laodgp_style.
13770 (mips_expand_prologue): Call mips_emit_loadgp before emitting
13771 the cprestore instruction.
13772 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
13773 live for TARGET_ABSOLUTE_ABICALLS.
13774 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
13775 (ASM_SPEC): Pass down -mshared and -mno-shared.
13776 (MIPS_CALL): New macro.
13777 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
13779 * doc/invoke.texi (-mabicalls): Update documentation.
13780 (-mshared): Document.
13782 2006-03-21 Steve Ellcey <sje@cup.hp.com>
13784 * config/ia64/unwind-hpux.c: New file.
13785 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
13787 2006-03-21 Steve Ellcey <sje@cup.hp.com>
13790 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
13792 2006-03-21 Jeff Law <law@redhat.com>
13794 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
13795 type conversions of a VR_VARYING source to a wider type.
13797 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
13799 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
13800 tm_file on Solaris 10 and later.
13801 (sparc64-*-solaris2*): Likewise.
13802 (sparc-*-solaris2*): Likewise.
13803 * config/sol26.h: Rename to config/sol2-6.h.
13804 * config/sol2-10.h: New file.
13806 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
13809 * tree-ssa-pre.c (create_component_ref_by_pieces):
13812 2006-03-21 Jakub Jelinek <jakub@redhat.com>
13815 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
13816 return it immediately.
13818 2006-03-21 Michael Matz <matz@suse.de>
13820 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
13822 (remove_arc, add_arc): Update num_out_arcs member.
13823 (set_out_arc_insns_equiv_num): Returns nothing instead of number
13825 (cache_presence): New function.
13826 (compare_states_for_equiv): New function.
13827 (state_is_differed): Don't take number of outargs, adjust callers.
13828 Use new invariant for speeding up.
13829 (init_equiv_class): Create initial classes based on sorted
13831 (partition_equiv_class): Don't track out_arcs_num.
13832 (evaluate_equiv_classes): Call cache_presence on all states and
13835 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
13837 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
13838 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
13839 (bfin_valid_reg_p): Test for pseudos explicitly and use only
13840 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
13842 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
13843 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
13844 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
13845 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
13846 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
13848 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
13849 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
13850 (REGNO_REG_CLASS): ARGP is in PREGS.
13851 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
13853 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
13854 to deal with those addresses.
13855 * addresses.h: New file.
13856 * caller-save.c: Include "addresses.h".
13857 (init_caller_save): Use new base_reg_class function.
13858 * rtl-factoring.c: Include "addresses.h".
13859 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
13860 * recog.c: Include "addresses.h".
13861 (preprocess_constraints): Use new base_reg_class function.
13862 * regrename.c: Include "addresses.h".
13863 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
13864 functions. Keep track of a new var INDEX_CODE to compute valid
13866 (replace_oldest_value_addr): Likewise.
13867 (replace_oldest_value_mem): Use base_reg_class.
13868 * reload.c: Include "addresses.h".
13869 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
13870 (find_reloads): Use new base_reg_class function.
13871 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
13872 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
13873 all callers and prototype changed.
13874 * reload1.c: Include "addresses.h".
13875 (maybe_fix_stack_asms): Use base_reg_class.
13876 * regclass.c: Include "addresses.h".
13877 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
13878 (init_reg_autoinc): Use new base_reg_class function.
13879 (record_reg_classes): Likewise.
13880 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
13881 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
13882 Use new args to compute necessary class.
13884 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
13885 regrename.o, rtl-factoring.o): Update dependencies.
13886 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
13887 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
13888 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
13889 REG_OK_FOR_INDEX_P): Delete documentation.
13891 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
13893 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
13894 from V7 to V9 for Solaris 7 and above.
13896 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
13898 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
13899 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
13900 argument pointers may not alias any other storage.
13901 * common.opt: Define option -fargument-noalias-anything.
13902 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
13903 alias semantics is specified by flag_argument_noalias > 2.
13905 2006-03-20 Jeff Law <law@redhat.com>
13907 * tree-pass.h (pass_phi_only_copy_prop): Delete.
13908 (pass_phi_only_cprop): Declare.
13909 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
13910 with phi_only_cprop
13911 * tree-ssa-dom.c (degenerate_phi_result): New function.
13912 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
13913 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
13914 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
13915 (eliminate_degenerate_phis): Likewise.
13916 (pass_phi_only_cprop): New pass descriptor.
13917 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
13918 support code. Callers updated.
13919 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
13920 (store_copy_prop): Likewise.
13921 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
13923 2006-03-20 Jason Merrill <jason@redhat.com>
13926 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
13927 (push_visibility, pop_visibility): Likewise.
13928 * c-pragma.h: Declare them.
13930 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
13932 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
13934 * config/sh/sh.c (find_regmode_weight): Change the type of the first
13935 parameter and use get_ebb_head_tail.
13936 (sh_md_init_global): Adjust uses of find_regmode_weight.
13938 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
13940 * function.h (struct function) <x_tail_recursion_reentry>:
13941 Rename to x_stack_check_probe_note.
13942 (tail_recursion_reentry): Rename to stack_check_probe_note.
13943 * function.c: Replace tail_recursion_reentry with
13944 stack_check_probe_note everywhere.
13945 (expand_function_start): Only emit a note for
13946 stack_check_probe_note with -fstack-protect.
13947 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
13949 * emit-rtl.c (remove_unnecessary_notes): Remove.
13950 (pass_remove_unnecessary_notes): Remove.
13951 * rtl.h (remove_unnecessary_notes): Remove prototype.
13952 * final.c (final_start_function): Don't call remove_unnecessary_notes.
13953 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
13954 * passes.c (pass_remove_unnecessary_notes): Don't run it.
13956 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
13959 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
13960 (valid_in_set): Handle ARRAY_REF.
13961 Change "if min_variant or VH" to asserts.
13962 (create_component_ref_by_pieces): Handle ARRAY_REF.
13963 (create_expression_by_pieces): Likewise.
13964 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
13966 2006-03-20 David Edelsohn <edelsohn@gnu.org>
13968 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
13969 is operand of switch, not str[0].
13971 2006-03-20 Alan Modra <amodra@bigpond.net.au>
13973 * config/rs6000/rs6000.c (rs6000_handle_option): Use
13974 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
13976 2006-03-19 David Edelsohn <edelsohn@gnu.org>
13978 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
13979 end of insn_extra_address_constraint declaration.
13981 2006-03-19 David Edelsohn <edelsohn@gnu.org>
13983 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
13984 (no-sum-in-toc): Same.
13985 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
13987 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
13988 NO_FP_IN_TOC for -fPIC instead of mask.
13990 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
13991 (BOOT_LDFLAGS): Delete.
13993 * config/rs6000/t-aix52: Same.
13995 * config/rs6000/rs6000.md (store_multiple_power): Delete.
13996 (stmsi[345678]_power): New.
13998 2006-03-17 Steve Ellcey <sje@cup.hp.com>
14000 * config/ia64/ia64.opt: Add empty line to end of file.
14002 2006-03-17 Richard Guenther <rguenther@suse.de>
14004 PR middle-end/26721
14005 * builtins.c (get_pointer_alignment): For component style references
14006 adjust alignment to the component type alignment. Make sure
14007 to adjust alignment for component access of constants.
14009 2006-03-17 David Edelsohn <edelsohn@gnu.org>
14011 * config/rs6000/rs6000.md (strlensi): Emit barrier after
14012 unconditional jump.
14014 2006-03-17 Paul Brook <paul@codesourcery.com>
14016 * doc/install.texi: Docuemnt --with-mode.
14017 * config.gcc: Add --with-mode for arm*-*-*.
14018 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
14020 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
14022 * sh.c (max_labelno_before_reorg): New variable.
14023 (sh_reorg): Initialize it.
14024 (find_barrier): Check max_labelno_before_reorg before using
14025 label_to_alignment. Take length of explicit alignment insns
14026 into account. When seeing a UNSPECV_CONST_END, return it.
14028 * sh.c (fixup_mova): Set mode of affected label to QImode.
14029 (untangle_mova): New function.
14030 (find_barrier): Use it. Check mode of label before decrementing
14032 (sh_reorg): Likewise.
14033 Set mode of all insns back to VOIDmode.
14035 * sh.c (MOVA_LABELREF): New macro.
14036 (mova_p, fixup_mova, sh_reorg): Use it.
14037 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
14038 ADDR_DIFF_VEC matches mova.
14040 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
14042 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
14043 with ATTRIBUTE_UNUSED.
14045 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
14047 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
14048 pointer, instead of assuming it is possible to derive the
14049 correct args size from a call insn.
14051 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14053 * rtl.h (CONST_INT_P): Define.
14054 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
14055 instead of GET_CODE(x) == CONST_INT.
14056 (vax_rtx_costs): Likewise.
14057 (vax_output_int_move): Likewise.
14058 (vax_output_int_add): Likewise.
14059 (legitimate_constant_address_p): Likewise.
14060 (index_term_p): Likewise.
14061 * config/vax/vax.h (PRINT_OPERAND): Likewise.
14062 * config/vax/vax.md (and<mode>3): Likewise.
14063 (ashrsi3): Likewise.
14065 (movstricthi): Likewise.
14066 (movstrictqi): Likewise.
14067 (rotrsi3): Likewise.
14068 (five unnamed insns): Likewise.
14070 2006-03-16 Geoffrey Keating <geoffk@apple.com>
14072 * doc/tm.texi (SDB and DWARF): Add extra parameter to
14073 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
14074 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
14075 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
14076 Pass to ASM_OUTPUT_DWARF_OFFSET.
14077 * dwarf2out.c (debug_frame_section): New.
14078 (output_call_frame_info): Use debug_frame_section. Pass it to
14079 dw2_asm_output_offset.
14080 (output_die): Pass appropriate section to dw2_asm_output_offset.
14081 (output_compilation_unit_header): Likewise.
14082 (output_pubnames): Likewise.
14083 (output_aranges): Likewise.
14084 (enum dw_val_class): Break dw_val_class_lbl_offset into
14085 dw_val_class_lineptr and dw_val_class_macptr.
14086 (add_AT_lbl_offset): Delete.
14087 (add_AT_lineptr): New.
14088 (add_AT_macptr): New.
14089 (AT_lbl): Expect a lineptr or macptr.
14090 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
14091 (attr_checksum): Likewise.
14092 (same_dw_val_p): Likewise.
14093 (size_of_die): Likewise.
14094 (value_format): Likewise.
14095 (output_die): Likewise.
14096 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
14098 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
14099 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
14100 * config/darwin-protos.h (darwin_file_start): New.
14101 (darwin_asm_output_dwarf_offset): New.
14102 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
14103 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
14105 * config/darwin.c (darwin_emit_unwind_label): Don't output label
14106 if not EH section; simplify.
14107 (darwin_file_start): New.
14108 (darwin_asm_output_dwarf_offset): New.
14109 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
14111 (DEBUG_INFO_SECTION): Likewise.
14112 (DEBUG_ABBREV_SECTION): Likewise.
14113 (DEBUG_ARANGES_SECTION): Likewise.
14114 (DEBUG_MACINFO_SECTION): Likewise.
14115 (DEBUG_LINE_SECTION): Likewise.
14116 (DEBUG_LOC_SECTION): Likewise.
14117 (DEBUG_PUBNAMES_SECTION): Likewise.
14118 (DEBUG_STR_SECTION): Likewise.
14119 (DEBUG_RANGES_SECTION): Likewise.
14120 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
14121 (ASM_OUTPUT_DWARF_OFFSET): New.
14123 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
14125 * config.gcc (tm_defines): Always add to previous value rather
14128 2006-03-16 Richard Sandiford <richard@codesourcery.com>
14130 * config/mips/predicates.md (splittable_const_int_operand): New,
14131 split from move_operand.
14132 (splittable_symbolic_operand): New.
14133 (move_operand): Add commentary. Use splittable_const_int_operand.
14134 Inline mips_atomic_symbolic_constant_p.
14135 * config/mips/mips.md: Add combine splitters for handling moves
14136 of splittable_const_int_operands and splittable_symbolic_operands.
14137 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
14138 (mips_split_symbol): Declare.
14139 (mips_move_integer): Declare.
14140 * config/mips/mips.c (mips_split_p): Make global.
14141 (TARGET_MIN_ANCHOR_OFFSET): Override default.
14142 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14143 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14144 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
14145 (mips_offset_within_object_p): Handle block symbols.
14146 (mips_atomic_symbolic_constant_p): Delete.
14147 (mips_cannot_force_const_mem): Return false for constants that
14148 mips_legitimize_move can handle.
14149 (mips_use_blocks_for_constant_p): New function.
14150 (mips_split_symbol): Make global.
14151 (mips_move_integer): Likewise. Add a temporary register argument.
14152 (mips_legitimize_const_move): Use splittable_const_int_operand and
14153 splittable_symbolic_operand.
14154 (mips_use_anchors_for_symbol_p): New function.
14155 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
14156 (mips_split_p): Declare.
14158 2006-03-16 Richard Sandiford <richard@codesourcery.com>
14160 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
14161 (mips*-*-linux*): Likewise.
14163 2006-03-16 Roger Sayle <roger@eyesopen.com>
14164 Daniel Speyer <dspeyer@wam.umd.edu>
14166 PR middle-end/18259
14167 * tree-dump.c (dump_real): New function.
14168 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
14169 * Makefile.in (REAL_H): New macro for dependencies on real.h.
14170 (tree-dump.o): Add $(REAL_H) to the dependencies.
14172 2006-03-16 Roger Sayle <roger@eyesopen.com>
14174 PR middle-end/21781
14175 * real.c (real_from_string): If the mantissa is zero, don't bother
14176 parsing the exponent as the result should always be zero.
14178 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
14180 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
14182 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14184 * config/ia64/ia64.c (stops_p): Added explicit initialization.
14185 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
14186 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
14187 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
14188 ia64_sched_finish_global): New static functions to implement
14189 hooks from gcc_target.sched.
14190 (spec_check_no, max_uid, pending_data_specs): New static variables.
14191 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
14192 ia64_spec_check_src_p): New static functions.
14193 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
14194 (TARGET_SCHED_ADJUST_COST): Removed.
14195 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
14196 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
14197 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14198 TARGET_SCHED_GEN_CHECK,
14199 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14200 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
14201 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
14202 Fixed to handle speculation checks.
14203 (rtx_needs_barrier): Fixed to handle speculative loads and
14205 (ia64_variable_issue): Added code to count speculative loads and their
14207 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
14209 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
14211 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
14213 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
14214 (ia64_reorg): Reset stops_p to NULL after it is freed.
14215 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
14216 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
14217 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
14219 (data_speculative, control_speculative, check_load): New attributes.
14220 (mov<mode>_advanced, mov<mode>_speculative,
14221 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
14222 zero_extend<mode>di2_speculative,
14223 zero_extend<mode>di2_speculative_advanced): New patterns for
14224 data and control speculative loads.
14225 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
14227 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
14228 New pattern for data and control speculation checks.
14229 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
14230 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
14231 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
14232 Auxiliary definitions for the patterns.
14233 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
14234 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
14236 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
14238 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
14239 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
14240 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
14241 New resource constraints.
14242 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
14244 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
14245 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
14246 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
14247 msched-in-control-spec, msched-ldc, msched-control-ldc,
14248 msched-spec-verbose, msched-prefer-non-data-spec-insns,
14249 msched-prefer-non-control-spec-insns,
14250 msched-count-spec-in-critical-path): New flags to tune speculative
14252 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
14253 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
14254 msched-in-control-spec, msched-ldc, msched-control-ldc,
14255 msched-spec-verbose, msched-prefer-non-data-spec-insns,
14256 msched-prefer-non-control-spec-insns,
14257 msched-count-spec-in-critical-path): Document new flags.
14259 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14261 * target.h (struct spec_info_def): New opaque declaration.
14262 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
14263 speculate_insn, needs_block_p, gen_check,
14264 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
14265 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
14266 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
14267 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
14268 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14269 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
14271 (TARGET_SCHED): Use new macros.
14272 * rtl.h (copy_DEPS_LIST_list): New prototype.
14273 * sched-int.h (struct sched_info): Change signature of new_ready field,
14274 adjust all initializations. New fields: add_remove_insn,
14275 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
14276 region_head_or_leaf_p.
14277 (struct spec_info_def): New structure declaration.
14278 (spec_info_t): New typedef.
14279 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
14280 recovery_block, orig_pat.
14281 (glat_start, glat_end): New variables declaraions.
14282 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
14284 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
14285 DETACH_LIFE_INFO, USE_GLAT.
14286 (enum SPEC_SCHED_FLAGS): New enumeration.
14287 (NOTE_NOTE_BB_P): New macro.
14288 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
14289 attach_life_info, debug_spec_status, check_reg_live): New functions.
14290 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
14291 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
14293 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
14294 * ddg.c (get_block_head_tail): Adjust all uses.
14295 * modulo-sched.c (get_block_head_tail): Adjust all uses.
14296 (sms_sched_info): Initialize new fields.
14297 (contributes_to_priority): Removed.
14298 * haifa-sched.c (params.h): New include.
14299 (get_block_head_tail): Adjust all uses.
14300 (ISSUE_POINTS): New macro.
14301 (glat_start, glat_end): New global variables.
14302 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
14303 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
14304 old_last_basic_block, before_recovery, current_sched_info_var,
14305 rgn_n_insns, luid): New static variables.
14306 (insn_cost1): New function. Move logic from insn_cost to here.
14307 (find_insn_reg_weight1): New function. Move logic from
14308 find_insn_reg_weight to here.
14309 (reemit_notes, move_insn, max_issue): Change signature.
14310 (move_insn1): Removed.
14311 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
14312 extend_bb): New static functions to support extension of scheduler's
14314 (generate_recovery_code, process_insn_depend_be_in_spec,
14315 begin_speculative_block, add_to_speculative_block,
14316 init_before_recovery, create_recovery_block, create_check_block_twin,
14317 fix_recovery_deps): New static functions to support
14318 generation of recovery code.
14319 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
14320 restore_bb_notes, move_block_after_check, move_succs): New static
14321 functions to support ebb scheduling.
14322 (init_glat, init_glat1, attach_life_info1, free_glat): New static
14323 functions to support handling of register live information.
14324 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
14325 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
14326 add_jump_dependencies): New static functions.
14327 (check_cfg, has_edge_p, check_sched_flags): New static functions for
14328 consistancy checking.
14329 (debug_spec_status): New function to call from debugger.
14330 (priority): Added code to handle speculation checks.
14331 (rank_for_schedule): Added code to distinguish speculative instructions.
14332 (schedule_insn): Added code to handle speculation checks.
14333 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
14334 Fixed to handle ebbs.
14335 (move_insn): Added code to handle ebb scheduling.
14336 (max_issue): Added code to use ISSUE_POINTS of instructions.
14337 (choose_ready): Added code to choose between speculative and
14338 non-speculative instructions.
14339 (schedule_block): Added code to handle ebb scheduling and scheduling of
14340 speculative instructions.
14341 (sched_init): Initialize new variables.
14342 (sched_finish): Free new variables. Print statistics.
14343 (try_ready): Added code to handle speculative instructions.
14344 * lists.c (copy_DEPS_LIST_list): New function.
14345 * sched-deps.c (extend_dependency_caches): New function. Move logic
14346 from create_dependency_caches to here.
14347 (get_dep_weak, ds_merge): Make global.
14348 * genattr.c (main): Code to output prototype for
14349 dfa_clear_single_insn_cache.
14350 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
14351 (output_dfa_clean_insn_cache_func): Code to output
14352 dfa_clear_single_insn_cache function.
14353 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
14355 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
14357 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
14358 New static variables.
14359 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
14360 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
14362 (ebb_sched_info): Initialize new fields.
14363 (get_block_head_tail): Adjust all uses.
14364 (compute_jump_reg_dependencies): Fixed to use glat_start.
14365 (schedule_ebb): Code to remove unreachable last block.
14366 (schedule_ebbs): Added code to update register live information.
14367 * sched-rgn.c (region_sched_info): Initialize new fields.
14368 (get_block_head_tail): Adjust all uses.
14369 (last_was_jump): Removed. Adjust users.
14370 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
14371 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
14372 Implement new hooks.
14373 (check_dead_notes1): New static function.
14374 (struct region): New fields: dont_calc_deps, has_real_ebb.
14375 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
14376 (BB_TO_BLOCK): Fixed to handle EBBs.
14377 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
14378 (ebb_head): New static variable.
14379 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
14380 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
14382 (compute_dom_prob_ps): New assertion.
14383 (check_live_1, update_live_1): Fixed to work with glat_start instead of
14384 global_live_at_start.
14385 (init_ready_list): New assertions.
14386 (can_schedule_ready_p): Split update code to begin_schedule_ready.
14387 (new_ready): Add support for BEGIN_CONTROL speculation.
14388 (schedule_insns): Fixed code that updates register live information
14390 (schedule_region): Fixed to handle EBBs.
14391 (init_regions): Use extend_regions and check_dead_notes1.
14392 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
14393 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
14394 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
14395 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14396 TARGET_SCHED_GEN_CHECK,
14397 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14398 TARGET_SCHED_SET_SCHED_FLAGS): Document.
14399 * doc/invoke.texi (max-sched-insn-conflict-delay,
14400 sched-spec-prob-cutoff): Document.
14402 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14404 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
14405 inter_tick, queue_index.
14406 (struct sched_info): Change signature of init_ready_list field.
14407 Adjust all initializations.
14408 (RESOLVED_DEPS): New access macro.
14409 (ready_add): Remove prototype.
14410 (try_ready): Add prototype.
14411 * sched-rgn.c (init_ready_list): Use try_ready.
14412 (schedule_region): Initialize
14413 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
14414 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
14415 (init_ready_list): Use try_ready.
14416 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
14417 * lists.c (remove_list_elem): Remove `static'.
14418 (remove_free_INSN_LIST_elem): New function.
14419 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
14420 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
14421 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
14423 (readyp): New variable.
14424 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
14425 change_queue_index, resolve_dep): New static functions.
14426 (try_ready): New function. Adjust callers in sched-rgn.c and
14427 sched-ebb.c to use it instead of ready_add.
14428 (clock_var): Move at the begining of file.
14429 (rank_for_schedule): Fix typo.
14430 (queue_insn): Add assertion. Handle QUEUE_INDEX.
14431 (ready_lastpos): Enforce assertion.
14432 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
14433 update all callers.
14434 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
14435 (schedule_insn): Rewrite to use try_ready and resolve_dep.
14436 (queue_to_ready): Use free_INSN_LIST_list.
14437 (early_queue_to_ready): Fix typo.
14438 (schedule_block): Init readyp. Move init_ready_list call after the
14439 initialization of clock_var. Fix error in rejecting insn by
14440 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
14441 that previously corrected INSN_TICKs. Add code for handling
14443 (set_priorities): Fix typo.
14444 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
14445 Clarify comment and code that keeps current_sched_info->next_tail
14448 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14450 * sched-rgn.c (extend_rgns): New static function.
14451 (find_rgns): Use it.
14452 (gather_region_statistics, print_region_statistics): New static
14454 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
14455 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
14457 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14458 Andrey Belevantsev <abel@ispras.ru>
14460 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
14461 * lists.c (unused_deps_list): New variable.
14462 (free_list): Add assertions to verify the proper distinguishing
14463 between INSN_LISTs and DEPS_LISTs.
14464 (find_list_elem, remove_list_elem, remove_list_node): New static
14466 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
14467 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
14468 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
14469 (alloc_INSN_LIST): Assert that the list we're working on is indeed
14471 (free_INSN_LIST_node): Likewise.
14472 * modulo-sched.c (current_sched_info): Initialize flags field.
14473 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
14474 * rtl.def (DEPS_LIST): Define.
14475 * rtl.h: Declare new functions from lists.c.
14476 * sched-deps.c (spec_dependency_cache): New static variable.
14477 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
14478 (add_dependence): Change return type to void. Move the logic to ...
14479 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
14480 (delete_all_dependences): Add comment about forward_dependency_cache.
14481 Handle spec_dependency_cache. Handle DEPS_LISTs.
14482 (fixup_sched_groups): Clarify the change of priority of output
14483 and anti dependencies.
14484 (sched_analyze_2): Adjust add_dependence calls to create data
14485 speculative dependence.
14486 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
14487 Adjust all callers. Handle DEPS_LISTS.
14488 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
14489 presence of speculation.
14490 (init_dependency_caches, free_dependency_caches):
14491 Handle spec_dependency_cache.
14492 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
14493 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
14494 New static functions.
14495 (add_or_update_back_dep, add_or_update_back_forw_dep,
14496 add_back_forw_dep, delete_back_forw_dep): New functions.
14497 * sched-int.h (ds_t, dw_t): New typedefs.
14498 (struct sched_info): Add new field flags.
14499 (struct haifa_insn_data): Add new bitfield has_internal_dep.
14500 Prototype new sched-deps.c functions.
14501 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
14502 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
14503 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
14504 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
14505 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
14506 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
14508 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
14510 * sched-rgn.c (current_sched_info): Initialize flags field.
14511 (schedule_insns): Initialize current_sched_info before the sched_init
14513 * sched-ebb.c (current_sched_info): Initialize flags field.
14514 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
14515 Call add_or_update_back_dep instead of add_dependence.
14516 Create control speculative dependencies.
14517 (schedule_insns): Initialize current_sched_info before the sched_init
14520 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
14522 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
14524 (sh_fallback_frame_state): Likewise.
14526 2006-03-15 Geoffrey Keating <geoffk@apple.com>
14528 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
14529 Do switch on default_use_cxa_atexit.
14530 (powerpc*-*-darwin*): Build crt2.o on powerpc.
14531 * config/darwin-crt3.o: New.
14532 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
14533 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
14534 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
14536 * config/rs6000/t-darwin: Move crt2.o building to here.
14537 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
14538 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
14541 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14543 * config/vax/vax.c (nonindexed_address_p): Change logical negation
14544 from '! xxx' to '!xxx' for coding-style conformance.
14545 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
14546 (EXTRA_CONSTRAINT): Likewise.
14547 * config/vax/vax.md (four unnamed insns): Likewise.
14549 2006-03-15 Paul Brook <paul@codesourcery.com>
14551 * config/arm/arm.c (minipool_pad): New.
14552 (add_minipool_forward_ref): Include pool alignment padding in address
14554 (push_minipool_fix): Set minipool_pad.
14555 (minipool_pad): Ditto.
14557 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14559 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
14560 instead of GET_CODE() == MEM and REG_P() instead of
14562 (print_operand_address): Likewise.
14563 (vax_address_cost): Likewise.
14564 (vax_rtx_costs): Likewise.
14565 (vax_notice_update_cc): Likewise.
14566 (vax_output_int_add): Likewise.
14567 (INDEX_REGISTER_P): Likewise.
14568 (BASE_REGISTER_P): Likewise.
14569 (nonindexed_address_p): Likewise.
14570 (vax_mode_dependent_address_p): Likewise.
14571 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
14572 (PRINT_OPERAND): Likewise.
14573 * config/vax/vax.md (ashlsi3): Likewise.
14574 (ashlsi3): Likewise.
14575 (some more unnamed insns): Likewise.
14577 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
14579 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
14580 iterator-style macro.
14581 (mark_control_dependent_edges_necessary): Update the use of
14582 EXECUTE_IF_CONTROL_DEPENDENT.
14584 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
14586 * config/sh/predicates.md (cache_address_operand): Special.
14587 (ua_address_operand): Likewise.
14589 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
14591 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
14593 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
14595 2006-03-15 Andreas Schwab <schwab@suse.de>
14597 * gensupport.c (identify_predicable_attribute): Don't free p_false
14598 when it is still in use.
14600 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
14602 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
14603 the default setting here.
14605 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
14607 * tree-pass.h (pass_cfg): Remove.
14608 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
14609 * passes.c (pass_cfg): Don't run it.
14611 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
14613 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
14614 * reg-stack.c (stack_regs_mentioned_data): Change the type to
14616 (stack_regs_mentioned): Update the uses of
14617 stack_regs_mentioned_data. Don't access the array beyond its
14619 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
14620 Don't include gt-reg-stack.h.
14622 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
14623 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
14625 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
14627 PR middle-end/26684
14628 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
14631 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14633 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
14635 2006-03-14 Richard Guenther <rguenther@suse.de>
14637 PR tree-optimization/26672
14638 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
14641 2006-03-14 Richard Guenther <rguenther@suse.de>
14643 PR tree-optimization/26667
14644 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
14645 node for the callees. Always allow inlining if it will shrink
14648 2006-03-14 Richard Guenther <rguenther@suse.de>
14650 PR middle-end/26659
14651 * builtins.c (get_pointer_alignment): Prefer alignment
14652 information from decls over that from types.
14654 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
14657 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
14659 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
14661 * config/rs6000/rs6000.opt (mdlmzb): New option.
14662 (msched-prolog, msched-epilog): Use Var not Mask.
14663 * doc/invoke.texi (-mdlmzb): Document.
14664 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
14666 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
14667 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
14669 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
14671 PR rtl-optimization/25739
14672 * bt-load.c (augment_live_range): Free tos pointer.
14674 * gensupport.c (identify_predicable_attribute): Free
14676 * gcov.c (create_file_names): Free name pointer.
14678 2006-03-13 Roger Sayle <roger@eyesopen.com>
14680 PR middle-end/26557
14681 * stmt.c (emit_case_nodes): Handle the case where the index is a
14682 CONST_INT, where the comparison mode is specified by the index type.
14684 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14686 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
14689 2006-03-13 Richard Sandiford <richard@codesourcery.com>
14691 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
14692 (*branch_fp_inverted): Likewise.
14694 2006-03-13 Jakub Jelinek <jakub@redhat.com>
14696 PR middle-end/25989
14697 * omp-low.c (expand_omp_for_generic): Mark istart0
14698 and iend0 as addressable.
14700 2006-03-13 Jie Zhang <jie.zhang@analog.com>
14702 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
14704 2006-03-13 Jeff Law <law@redhat.com>
14706 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
14707 virtual operands are interesting.
14708 (vrp_visit_stmt): Corresponding changes.
14710 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
14712 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
14714 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
14715 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
14716 * config/bfin/crti.S: Use it instead of __PIC__.
14717 * config/bfin/crtn.S: Likewise.
14719 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
14720 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
14722 Lose 'G' modifier for call operand.
14723 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
14724 recognize 'G' modifier.
14726 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
14728 PR middle-end/18859
14729 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
14730 * stmt.c (expand_case): Likewise.
14732 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14734 PR rtl-optimization/26254
14735 * loop-invariant.c (seq_insns_valid_p): New function.
14736 (move_invariant_reg): Only emit new code if it is valid.
14738 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14740 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
14742 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
14743 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
14744 (commit_one_edge_insertion): Do not look for loop notes.
14746 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14748 * jump.c (follow_jumps): Do not check for loop notes. Move check for
14749 flag_test_coverage out of loop.
14751 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14753 * final.c (shorten_branches): Remove outdated comment, and turn
14754 the if branch that guards it to continue.
14756 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14758 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
14759 * cfgloop.h (struct loop): Remove unused fields.
14761 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
14763 * doc/invoke.texi (-fdump-rtl-loop): Remove.
14764 (-dL, -fdump-rtl-loop2): Update the dump file names
14766 * doc/invoke.texi: Update dump file names.
14768 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
14770 * predict.c (estimate_probability): Remove.
14771 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
14772 * basic-block.h (estimate_probability): Remove prototype.
14773 * passes.c (finish_optimization_passes): Dump branch prediction or
14774 profiling heuristics to the .profile tree dump.
14775 (init_optimization_passes): Unqueue pass_branch_prob.
14777 * doc/invoke.texi (-fdump-rtl-bp): Remove.
14779 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
14781 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
14782 * rtl.h (LABEL_NEXTREF): Remove field accessor.
14784 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
14786 * function.h (frame_offset_overflow): Declare.
14787 * function.c (frame_offset_overflow): New function.
14788 (assign_stack_local_1): Call it to detect that the offset overflows.
14789 * cfgexpand.c (alloc_stack_frame_space): Likewise.
14791 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
14793 * config/sh/sh.c: Include alloc-pool.h.
14794 (label_ref_list_pool): New alloc pool.
14795 (label_ref_list_t): New type for lists of labels.
14796 (struct pool_node): Make wend a label_ref_list_t.
14797 (add_constant): Use the new type, eradicate LABEL_NEXTREF
14799 (dump_table): Likewise.
14800 (sh_reorg): Set up the alloc pool before using add_constant and
14801 dump_table, and destroy it when finishing.
14803 2006-03-11 Richard Sandiford <richard@codesourcery.com>
14805 * config/mips/mips.c: Remove redundant comment.
14807 2006-03-10 Jason Merrill <jason@redhat.com>
14810 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
14811 the target was declared 'register'.
14813 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
14815 * genpreds.c (write_insn_constraint_len): Change definition of
14816 insn_constraint_len to return size_t to match the declaration.
14818 2006-03-10 DJ Delorie <dj@redhat.com>
14820 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
14822 (m32c_expand_insv): Fix test for an AND mask.
14824 2006-03-10 Richard Guenther <rguenther@suse.de>
14826 PR middle-end/26565
14827 * builtins.c (get_pointer_alignment): Handle component
14828 references for field alignment.
14830 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
14832 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
14833 when building with libgloss.
14834 (sh*elf): Implement --without-fp option.
14835 (sh64-superh-linux*): Don't multilib.
14837 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
14839 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
14841 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
14843 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
14844 Set it when one of the replacement functions returned true.
14845 Return TODO_cleanup_cfg if cfgchanged is true.
14846 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
14848 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
14850 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
14851 instead of gen_lowpart.
14853 2006-03-09 Richard Sandiford <richard@codesourcery.com>
14855 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
14857 (mips_output_order_conditional_branch): Declare.
14858 * config/mips/mips.h (MIPS_BRANCH): New macro.
14859 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
14860 for the comparison. Use gen_condjump.
14861 (mips_output_conditional_branch): Rework interface to take the
14862 asm templates for a direct branch and the inverse of a direct branch.
14863 (mips_output_order_conditional_branch): New function.
14864 (mips_builtin_branch_and_move): New function.
14865 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
14866 branch condition. Use gen_single_cc as the condition for
14867 __builtin_mips_upper_* or __builtin_mips_lower_*.
14868 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
14869 Use VOIDmode for the branch condition.
14870 * config/mips/predicates.md (order_operator): New predicate.
14871 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
14872 (branch_fp): Rename to...
14873 (*branch_fp): ...this. Remove mode from comparison operator.
14874 Use new mips_output_conditional_branch interface.
14875 (branch_fp_inverted): Rename to...
14876 (*branch_fp_inverted): ...this and update as for *branch_fp.
14877 (*branch_zero<mode>): Rename to...
14878 (*branch_order<mode>): ...this. Remove mode from comparison operator.
14879 Use mips_output_order_conditional_branch. Only accept ordered
14881 (*branch_zero<mode>_inverted): Rename to...
14882 (*branch_order<mode>_inverted): ...this and update as for
14883 *branch_order<mode>.
14884 (*branch_equality<mode>): Accept zero as the second operand to
14885 the equality operator. Use the new mips_output_conditional_branch
14887 (*branch_equality<mode>_inverted): Likewise.
14888 (condjump): New expander.
14889 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
14891 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
14892 (bc1any2t, bc1any2f): Likewise.
14893 (single_cc): New expander.
14894 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
14896 2006-03-09 Richard Sandiford <richard@codesourcery.com>
14898 * doc/md.texi: Update documentation of MIPS constraints.
14899 * config/mips/constraints.md: New file.
14900 * config/mips/mips.md: Include it.
14901 * config/mips/mips.c (mips_char_to_class): Delete.
14902 (override_options): Don't initialize mips_char_to_class.
14903 * config/mips/mips.h (mips_char_to_class): Delete.
14904 (REG_CLASS_FROM_LETTER): Delete.
14905 (CONST_OK_FOR_LETTER_P): Delete.
14906 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14907 (EXTRA_CONSTRAINT_Y): Delete.
14908 (EXTRA_CONSTRAINT_STR): Delete.
14909 (CONSTRAINT_LEN): Delete.
14910 (EXTRA_MEMORY_CONSTRAINT): Delete.
14912 2006-03-09 Diego Novillo <dnovillo@redhat.com>
14914 * tree-cfg.c (move_block_to_fn): Remove the statements from the
14915 original fn's eh regions.
14917 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
14919 * fold-const.c (build_range_check): Make sure to use a valid type to
14920 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
14923 (range_predecessor): New static function.
14924 (range_successor): Likewise.
14925 (merge_ranges): Use them to compute predecessors and successors of
14928 2006-03-09 Roger Sayle <roger@eyesopen.com>
14930 PR middle-end/26561
14931 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
14932 X op C3, consider whether C3 overflows towards +Inf or -Inf.
14934 2006-03-08 DJ Delorie <dj@redhat.com>
14936 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
14937 (addpsi3): Expand to include memory operands. Remove
14938 reload-specific splits.
14939 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
14940 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
14941 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
14942 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
14943 (shift1_qi, shift1_hi, insv): New.
14944 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
14945 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
14946 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
14948 * config/m32c/m32c-protos.h: Update as needed.
14949 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
14950 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
14951 Fail for unrecognized R* constraints.
14952 (m32c_cannot_change_mode_class): Be more picky about pseudos.
14953 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
14954 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
14956 (m32c_init_libfuncs): New.
14957 (m32c_legitimate_address_p): Add debug wrapper.
14958 (m32c_rtx_costs): New.
14959 (m32c_address_cost): New.
14960 (conversions): Add 'B' prefix.
14961 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
14962 operands, or word regnames for QI operands. 'B' prints bit
14964 (m32c_expand_setmemhi): New.
14965 (m32c_expand_movmemhi): New.
14966 (m32c_expand_movstr): New.
14967 (m32c_expand_cmpstr): New.
14968 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
14969 (m32c_expand_neg_mulpsi3): Handle non-ints.
14970 (m32c_cmp_flg_0): New.
14971 (m32c_expand_movcc): New.
14972 (m32c_expand_insv): New.
14973 (m32c_scc_pattern): New.
14974 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
14975 a0/a1 out of SIregs.
14976 (STORE_FLAG_VALUE): New.
14977 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
14980 * config/m32c/mov.md: Make constraints more liberal.
14981 (zero_extendqihi2): Optimize r0/r1 case.
14982 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
14983 * config/m32c/predicates.md (m32c_any_operand): New.
14984 (m32c_nonimmediate_operand): New.
14985 (m32c_hl_operand): New.
14986 (m32c_r3_operand): New.
14989 (memsym_operand): New.
14990 (memimmed_operand): New.
14991 (a_qi_operand): New.
14992 (m32c_eqne_operator): New.
14993 (m32c_1bit8_operand): New.
14994 (m32c_1bit16_operand): New.
14995 (m32c_1mask8_operand): New.
14996 (m32c_1mask16_operand): New.
14997 * config/m32c/blkmov.md: New file.
14998 * config/m32c/t-m32c (MD_FILES): Add blkmov.
15000 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
15002 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
15003 unsigned to fix signed/unsigned comparison issue in
15004 DWARF2_FRAME_REG_OUT.
15005 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
15006 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
15008 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
15009 of ptr into the ENABLE_CHECKING section.
15011 2006-03-08 Jeff Law <law@redhat.com>
15013 * tree-vrp.c (infer_value_range): Only count pointer uses
15014 and dereferences if -fdelete-null-pointer-checks is enabled.
15016 * tree-vrp.c (find_assert_locations): Infer value ranges for
15017 single use pointers, but do not create ASSERT_EXPRs for them.
15018 When a non-null range is inferred for a pointer, backwards
15019 propagate that range to other equivalent pointers through the
15022 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
15025 * Makefile.in (dvi, html, install-info): Invoke the corresponding
15026 language hook targets.
15027 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
15028 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
15029 if language hook targets were missing.
15031 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
15033 * tree-ssa-opfinalize.h: Removed.
15034 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
15036 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
15037 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
15038 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
15039 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
15040 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
15041 finalize_ssa_v_must_def_ops): New.
15043 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
15045 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
15046 block as parameter.
15048 2006-03-07 Geoffrey Keating <geoffk@apple.com>
15050 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
15052 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
15053 addresses with offsets; reorganize.
15055 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
15056 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
15057 (expand_builtin_init_dwarf_reg_sizes): Likewise.
15059 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
15062 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
15064 2006-03-08 Ben Elliston <bje@au.ibm.com>
15066 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
15068 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
15071 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
15074 2006-03-07 Richard Guenther <rguenther@suse.de>
15076 PR tree-optimization/26587
15077 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
15079 2006-03-07 Richard Sandiford <richard@codesourcery.com>
15081 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
15083 2006-03-07 Richard Sandiford <richard@codesourcery.com>
15085 * hooks.c (hook_bool_mode_rtx_true): New function.
15086 * hooks.h (hook_bool_mode_rtx_true): Declare.
15087 * toplev.c (compile_file): Call output_shared_constant_pool.
15088 * varasm.c (shared_constant_pool): New variable.
15089 (assemble_start_function, assemble_end_function): Remove arguments
15090 from call to output_constant_pool.
15091 (create_constant_pool): New function, split out from...
15092 (init_varasm_status): ...here.
15093 (force_const_mem): Choose between the shared and per-function constant
15094 pools. Set current_function_uses_const_pool when reusing old entries
15095 as well as when creating new ones.
15096 (mark_constant): Ignore data argument.
15097 (mark_constants): Remove pool argument.
15098 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
15099 to decide whether the function uses a constant pool.
15100 (output_constant_pool_contents): New function, split out from...
15101 (output_constant_pool): ...here.
15102 (output_shared_constant_pool): New function.
15103 (init_varasm_once): Initialize shared_constant_pool.
15104 * output.h (output_constant_pool): Delete.
15105 (output_shared_constant_pool): Declare.
15106 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
15107 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
15109 2006-03-06 Nick Clifton <nickc@redhat.com>
15111 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
15112 flag_strength_reduce.
15114 2006-03-06 Ben Elliston <bje@au.ibm.com>
15116 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
15117 x86_64-*-linux* configurations.
15119 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
15120 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
15122 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15124 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
15126 * basic-block.h: Remove the extern for
15127 rediscover_loops_after_threading.
15129 * cfgloop.c (cancel_loop): Make it static.
15130 * cfgloop.h: Remove the prototype for cancel_loop.
15132 * flow.c (recompute_reg_usage): Make it static.
15133 * rtl.h: Remove the prototype for recompute_reg_usage.
15135 * function.c (use_return_register): Make it static.
15136 * function.h: Remove the prototype.
15138 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15140 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
15142 * recog.h: Remove the prototype for
15143 validate_change_maybe_volatile.
15145 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15147 * rtlanal.c (replace_reg): Remove.
15148 * rtl.h: Remove the prototype for replace_reg.
15150 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15152 * regclass.c (reg_scan_update): Remove.
15153 (reg_scan_mark_refs): Remove the last argument.
15154 * rtl.h: Remove the prototype for reg_scan_update.
15156 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15158 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
15159 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
15160 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
15161 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
15162 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
15163 loop-invariant.c, omp-low.c, opts.c, passes.c,
15164 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
15165 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
15166 tree-ssa-structalias.c, tree-ssa-threadedge.c,
15167 tree-ssa-threadupdate.c, tree-vect-patterns.c,
15168 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
15169 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
15171 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15173 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
15174 * dwarf2out.h: Remove the prototype for
15175 dwarf2out_add_library_unit_info.
15177 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15179 * tree.c (add_var_to_bind_expr): Remove.
15180 * tree.h: Remove the prototype for add_var_to_bind_expr.
15182 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15184 * regclass.c (n_non_fixed_regs): Remove.
15185 (init_reg_sets_1, globalize_reg): Remove all uses of
15187 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
15189 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15191 * rtlanal.c (insns_safe_to_move_p): Remove.
15192 * rtl.h: Remove the prototype for insns_safe_to_move_p.
15194 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15196 * expmed.c (expand_mult_add): Remove.
15197 * expr.h: Remove the prototype for expand_mult_add.
15199 2006-03-04 Jakub Jelinek <jakub@redhat.com>
15201 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
15202 and REG_SAVED_VAL_EXP constants.
15203 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
15204 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
15205 Handle regs stored by value.
15206 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
15207 (execute_cfa_program): Handle DW_CFA_val_offset,
15208 DW_CFA_val_offset_sf and DW_CFA_val_expression.
15209 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
15210 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
15211 (uw_install_context_1): Handle target regs stored by value.
15213 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
15215 * tree-sra.c (tree_sra): Return todoflags;
15216 (generate_one_element): Set TODO_update_smt_usage if needed.
15217 (pass_sra): Remove TODO_update_smt_usage.
15218 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
15220 (tree_ssa_forward_propagate_single_use_vars): Return
15221 TODO_update_smt_usage if we need to update SMT usage.
15222 (pass_forwprop): Remove TODO_update_smt_usage.
15224 2006-03-03 Diego Novillo <dnovillo@redhat.com>
15226 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
15227 (correct_use_link): Remove reference to get_stmt_operands.
15228 (update_stmt_operands): Likewise.
15229 (get_modify_expr_operands): New function factored out of
15230 parse_ssa_operands and get_expr_operands.
15231 Try to create V_MUST_DEFs for LHS by default.
15232 (get_expr_operands) <case MODIFY_EXPR>: Call
15233 get_modify_expr_operands.
15234 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
15235 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
15236 (parse_ssa_operands) <case MODIFY_EXPR>: Call
15237 get_modify_expr_operands.
15239 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
15241 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
15242 * tree-flow.h: Remove the prototype for
15243 referenced_var_lookup_if_exists.
15245 2006-03-03 Steve Ellcey <sje@cup.hp.com>
15247 PR rtl-optimization/26345
15249 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
15251 2006-03-03 Roger Sayle <roger@eyesopen.com>
15253 PR tree-optimization/26524
15254 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
15255 fold_convert to create a constant of the appropriate type.
15257 2006-03-03 Richard Sandiford <richard@codesourcery.com>
15259 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15260 SYMBOL_REF_IN_BLOCK_P.
15261 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
15262 of SYMBOL_FLAG_IN_BLOCK.
15263 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
15264 instead of SYMBOL_REF_IN_BLOCK_P.
15265 * explow.c (use_anchored_address): Likewise.
15266 * rtl.c (rtx_size): Likewise.
15267 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
15268 instead of SYMBOL_FLAG_IN_BLOCK.
15269 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15270 SYMBOL_REF_IN_BLOCK_P.
15271 (assemble_variable): Likewise.
15272 (output_constant_def_contents): Likewise.
15273 (output_constant_pool): Likewise.
15274 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
15275 instead of SYMBOL_FLAG_IN_BLOCK.
15276 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15277 SYMBOL_REF_IN_BLOCK_P.
15278 (SYMBOL_REF_BLOCK): Likewise.
15279 (SYMBOL_REF_OFFSET): Likewise.
15280 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15281 SYMBOL_REF_IN_BLOCK_P.
15282 (SYMBOL_FLAG_IN_BLOCK): Replace with...
15283 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
15284 (SYMBOL_REF_IN_BLOCK_P): Replace with...
15285 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
15287 2006-03-03 Jakub Jelinek <jakub@redhat.com>
15289 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
15291 2006-03-02 Roger Sayle <roger@eyesopen.com>
15293 * simplify-rtx.c (simplify_unary_operation): When simplifying
15294 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
15295 that we perform the right shift in the appropriate mode, and
15296 then extend or truncate the result to requested mode.
15298 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
15300 * gengtype.c (main): Handle double_int type.
15301 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
15302 * double-int.c: New file.
15303 * double-int.h: New file.
15304 * system.h: Include doubleint.h.
15305 * Makefile.in (SYSTEM_H): Include double-int.h.
15306 (double-int.o): Add.
15308 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
15311 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
15314 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15316 * tree-vrp.c (remove_range_assertions): Do not update statements
15319 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15321 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
15323 * gcse.c (rest_of_handle_gcse): Ditto.
15324 * except.c (gate_handle_eh): Ditto.
15325 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
15326 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
15328 2006-03-02 Eric Christopher <echristo@apple.com>
15330 * config/i386/i386.c (machopic_output_stub): Add indirection to
15333 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15337 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
15339 Sun Niagara specific optimizations.
15340 * config.gcc: Recognize niagara as target.
15341 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
15342 (TARGET_CPU_niagara): Define.
15343 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
15344 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
15345 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15346 (ASM_CPU_SPEC): Likewise.
15347 (PROCESSOR_NIAGARA): New enum entry.
15348 (REGISTER_MOVE_COST): Handle Niagara.
15349 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
15350 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
15351 (sparc_override_options): Recognize "niagara", set appropriate
15352 default MASK_* values for it, and align functions to 32-bytes
15353 by default just like ULTRASPARC/ULTRASPARC3.
15354 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
15355 (sparc64_initialize_trampoline): Likewise.
15356 (sparc_use_sched_lookahead): Use zero for niagara.
15357 (sparc_issue_rate): Use one for niagara.
15358 * config/sparc/niagara.md: New file.
15359 * config/sparc/sparc.md: Include it.
15360 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
15361 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
15362 when default cpu is niagara.
15363 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15364 (ASM_CPU_SPEC): Likewise.
15365 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
15366 when default cpu is niagara.
15367 (ASM_CPU_SPEC): Handle -mcpu=niagara.
15368 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
15369 just like v9/ultrasparc/ultrasparc3.
15370 * doc/invoke.texi: Add documentation for "niagara" and improve
15371 existing documentation for ultrasparc variants.
15373 2006-03-02 Diego Novillo <dnovillo@redhat.com>
15375 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
15377 2006-03-02 Richard Sandiford <richard@codesourcery.com>
15379 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
15380 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
15381 and say that only one is needed.
15382 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
15383 * target.h (have_switchable_bss_sections): New hook.
15384 * explow.c (use_anchored_address): Check that the symbol is in a block.
15385 * varasm.c (tls_comm_section, comm_section, lcomm_section)
15386 (bss_noswitch_section): New variables.
15387 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
15388 (get_noswitch_section): New function.
15389 (get_block_for_section): Allow SECT to be null.
15390 (unlikely_text_section_p): Use SECTION_STYLE.
15391 (bss_initializer_p): New function.
15392 (get_variable_section): Move earlier in file. Take a new argument,
15393 prefer_noswitch_p. Move bss checks from assemble_variable to here.
15394 Return one of the new *_sections in such cases.
15395 (get_block_for_decl): New function, extracting some logic from
15396 use_blocks_for_decl_p.
15397 (change_symbol_section): Remove in favor of...
15398 (change_symbol_block): ...this new function.
15399 (use_blocks_for_decl_p): Remove checks now performed by
15400 get_block_for_decl.
15401 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
15402 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
15403 (emit_local, emit_bss, emit_common): ...these new functions.
15404 Return true if the alignment was honored.
15405 (emit_tls_common): New function.
15406 (asm_emit_uninitialised): Delete.
15407 (assemble_variable_noswitch): New function, split out from...
15408 (assemble_variable): ...here. Don't make decisions about common
15409 variables here. Globalize all public decls that go into non-common
15410 sections. Check whether SYMBOL_REF_BLOCK is null.
15411 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
15412 (output_constant_pool): Likewise.
15413 (init_varasm_once): Initialize the new section variables.
15414 (have_global_bss_p): New function.
15415 (categorize_decl_for_section): Use bss_initializer_p.
15416 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
15417 (place_block_symbol): Assert that the symbol must be in a block.
15418 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
15419 (TARGET_INITIALIZER): Include it.
15420 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
15421 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
15422 (SECTION_MACH_DEP): Bump by two.
15423 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
15424 (unnamed_section): Mention SECTION_UNNAMED in comment.
15425 (named_section): Likewise SECTION_NAMED.
15426 (noswitch_section_callback): New type.
15427 (noswitch_section): New structure.
15428 (section): Add a noswitch_section alternative.
15429 (SECTION_STYLE): New macro.
15430 (tls_comm_section, comm_section, lcomm_section): Declare.
15431 (bss_noswitch_section, have_global_bss_p): Declare.
15432 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15433 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15435 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15436 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15439 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
15441 * tree-vrp.c (execute_vrp): Return value.
15442 * regrename.c (rest_of_handle_regrename): Ditto.
15443 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
15444 * tree-complex.c (tree_lower_complex): Ditto.
15445 (tree_lower_complex_O0): Ditto.
15446 * tracer.c (rest_of_handle_tracer): Ditto.
15447 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
15448 * postreload.c (rest_of_handle_postreload): Ditto.
15449 * tree-tailcall.c (execute_tail_recursion): Ditto.
15450 (execute_tail_calls): Ditto.
15451 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15452 * tree.h (init_function_for_compilation): Ditto.
15453 * ipa-cp.c (ipcp_driver): Ditto.
15454 * tree-scalar-evolution.c (scev_const_prop): Ditto.
15455 * tree-scalar-evolution.h (scev_const_prop): Ditto.
15456 * final.c (compute_alignments): Ditto.
15457 (rest_of_handle_final): Ditto.
15458 (rest_of_handle_shorten_branches): Ditto.
15459 (rest_of_clean_state): Ditto.
15460 * omp-low.c (execute_expand_omp): Ditto.
15461 (execute_lower_omp): Ditto.
15462 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
15463 * ipa-reference.c (static_execute): Ditto.
15464 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
15465 * reorg.c (rest_of_handle_delay_slots): Ditto.
15466 (rest_of_handle_machine_reorg): Ditto.
15467 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
15468 * flow.c (recompute_reg_usage): Ditto.
15469 (rest_of_handle_remove_death_notes): Ditto.
15470 (rest_of_handle_life): Ditto.
15471 (rest_of_handle_flow2): Ditto.
15472 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
15473 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
15474 (do_ssa_store_ccp): Ditto.
15475 (execute_fold_all_builtins): Ditto.
15476 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
15477 * modulo-sched.c (rest_of_handle_sms): Ditto.
15478 * ipa-pure-const.c (static_execute): Ditto.
15479 * cse.c (rest_of_handle_cse): Ditto.
15480 (rest_of_handle_cse2): Ditto.
15481 * web.c (rest_of_handle_web): Ditto.
15482 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
15483 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
15484 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
15485 * tree-nrv.c (tree_nrv): Ditto.
15486 (execute_return_slot_opt): Ditto.
15487 * tree-ssa-alias.c (compute_may_aliases): Ditto.
15488 (create_structure_vars): Ditto.
15489 * loop-init.c (rtl_loop_init): Ditto.
15490 (rtl_loop_done): Ditto.
15491 (rtl_move_loop_invariants): Ditto.
15492 (rtl_unswitch): Ditto.
15493 (rtl_unroll_and_peel_loops): Ditto.
15494 (rtl_doloop): Ditto.
15495 * gimple-low.c (lower_function_body): Ditto.
15496 (mark_used_blocks): Ditto.
15497 * tree-ssa-sink.c (execute_sink_code): Ditto.
15498 * ipa-inline.c (cgraph_decide_inlining): Ditto.
15499 (cgraph_early_inlining): Ditto.
15500 * global.c (rest_of_handle_global_alloc): Ditto.
15501 * jump.c (cleanup_barriers): Ditto.
15502 (purge_line_number_notes): Ditto.
15503 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
15504 (rest_of_handle_if_after_reload): Ditto.
15505 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
15506 (tree_ssa_loop_im): Ditto.
15507 (tree_ssa_loop_unswitch): Ditto.
15508 (tree_vectorize): Ditto.
15509 (tree_linear_transform): Ditto.
15510 (tree_ssa_loop_ivcanon): Ditto.
15511 (tree_ssa_empty_loop): Ditto.
15512 (tree_ssa_loop_bounds): Ditto.
15513 (tree_complete_unroll): Ditto.
15514 (tree_ssa_loop_prefetch): Ditto.
15515 (tree_ssa_loop_ivopts): Ditto.
15516 (tree_ssa_loop_done): Ditto.
15517 * predict.c (tree_estimate_probability): Ditto.
15518 * recog.c (split_all_insns_noflow): Ditto.
15519 (rest_of_handle_peephole2): Ditto.
15520 (rest_of_handle_split_all_insns): Ditto.
15521 * tree-eh.c (lower_eh_constructs): Ditto.
15522 * regmove.c (rest_of_handle_regmove): Ditto.
15523 (rest_of_handle_stack_adjustments): Ditto.
15524 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
15525 * function.c (instantiate_virtual_regs): Ditto.
15526 (init_function_for_compilation): Ditto.
15527 (rest_of_handle_check_leaf_regs): Ditto.
15528 * gcse.c (rest_of_handle_jump_bypass): Ditto.
15529 (rest_of_handle_gcse): Ditto.
15530 * ipa-type-escape.c (type_escape_execute): Ditto.
15531 * alias.c (rest_of_handle_cfg): Ditto.
15532 * tree-if-conv.c (main_tree_if_conversion): Ditto.
15533 * profile.c (rest_of_handle_branch_prob): Ditto.
15534 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
15535 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
15536 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
15537 * tree-dfa.c (find_referenced_vars): Ditto.
15538 * except.c (set_nothrow_function_flags): Ditto.
15539 (convert_to_eh_region_ranges): Ditto.
15540 (rest_of_handle_eh): Ditto.
15541 * emit-rtl.c (unshare_all_rtl): Ditto.
15542 (remove_unnecessary_notes): Ditto.
15543 * except.h (set_nothrow_function_flags): Ditto.
15544 (convert_to_eh_region_ranges): Ditto.
15545 * cfgexpand.c (tree_expand_cfg): Ditto.
15546 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
15547 * tree-ssa-pre.c (do_pre): Ditto.
15548 (execute_fre): Ditto.
15549 * cfgcleanup.c (rest_of_handle_jump): Ditto.
15550 (rest_of_handle_jump2): Ditto.
15551 * tree-sra.c (tree_sra): Ditto.
15552 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
15553 (execute_mudflap_function_decls): Ditto.
15554 * tree-ssa-copy.c (do_copy_prop): Ditto.
15555 (do_store_copy_prop): Ditto.
15556 * ipa-prop.h (ipcp_driver): Ditto.
15557 * cfglayout.c (insn_locators_initialize): Ditto.
15558 * tree-ssa-forwprop.c
15559 (tree_ssa_forward_propagate_single_use_vars): Ditto.
15560 * cfglayout.h (insn_locators_initialize): Ditto.
15561 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
15562 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
15563 (execute_late_warn_uninitialized): Ditto.
15564 * rtl.h (cleanup_barriers): Ditto.
15565 (split_all_insns_noflow): Ditto.
15566 (purge_line_number_notes): Ditto.
15567 (unshare_all_rtl): Ditto.
15568 (remove_unnecessary_notes): Ditto.
15569 (recompute_reg_usage): Ditto.
15570 (variable_tracking_main): Ditto.
15571 * integrate.c (emit_initial_value_sets): Ditto.
15572 * integrate.h (emit_initial_value_sets): Ditto.
15573 * tree-optimize.c (execute_free_datastructures): Ditto
15574 (execute_free_cfg_annotations): Ditto.
15575 (execute_fixup_cfg): Ditto.
15576 (execute_cleanup_cfg_pre_ipa): Ditto.
15577 (execute_cleanup_cfg_post_optimizing): Ditto.
15578 (execute_init_datastructures): Ditto.
15579 * tree-object-size.c (compute_object_sizes): Ditto.
15580 * combine.c (rest_of_handle_combine): Ditto.
15581 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
15582 * bb-reorder.c (duplicate_computed_gotos): Ditto.
15583 (rest_of_handle_reorder_blocks): Ditto.
15584 (rest_of_handle_partition_blocks): Ditto.
15585 * var-tracking.c (variable_tracking_main): Ditto.
15586 * tree-profile.c (tree_profiling): Ditto.
15587 * tree-vect-generic.c (expand_vector_operations): Ditto.
15588 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
15589 * sched-rgn.c (rest_of_handle_sched): Ditto.
15590 (rest_of_handle_sched2): Ditto.
15591 * basic-block.h (free_bb_insn): Ditto.
15592 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
15593 * tree-cfg.c (execute_build_cfg): Ditto.
15594 (remove_useless_stmts): Ditto.
15595 (split_critical_edges): Ditto.
15596 (execute_warn_function_return): Ditto.
15597 (execute_warn_function_noreturn): Ditto.
15598 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
15599 * cfgrtl.c (free_bb_for_insn): Ditto.
15600 * passes.c (execute_one_pass): Run additional
15601 todos returned by execute function.
15602 * tree-pass.h (struct tree_opt_pass): Make execute
15605 2006-03-02 Richard Guenther <rguenther@suse.de>
15607 * tree-ssa-alias.c (find_used_portions): Consider taking
15608 the address as making the variable not write-only.
15610 2006-03-02 Nick Clifton <nickc@redhat.com>
15612 * config.gcc (default_use_cxa_atexit): Extend the description of
15613 this configure variable. Set its default value to "yes" for
15614 Linux, NetBSD and ELF targets on the assumption that they will
15615 use C libraries with the __cxa_atexit function.
15617 2006-03-02 Ben Elliston <bje@au.ibm.com>
15619 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
15620 parameter as unused to suppress a build warning.
15622 2006-03-02 Ben Elliston <bje@au.ibm.com>
15624 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
15627 2006-03-01 Roger Sayle <roger@eyesopen.com>
15630 * gthr-posix.h (__gthrw2): Define to take three parameters, the
15631 declared name, the weak reference name, and the typeof name.
15632 (__gthrw): Avoid expanding the declared name suffix.
15633 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
15635 2006-03-01 Jakub Jelinek <jakub@redhat.com>
15637 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
15639 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
15640 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
15641 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
15642 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
15643 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
15644 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
15645 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
15646 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
15647 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
15648 DW_DS_leading_separate, DW_DS_trailing_separate): New.
15649 (DW_END_default, DW_END_big, DW_END_little): New.
15650 (DW_END_lo_user, DW_END_hi_user): Define.
15651 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
15652 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
15653 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
15656 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15658 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
15660 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
15662 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
15664 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
15666 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
15667 to 'symbol_mem_tag'.
15669 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
15672 2006-03-01 Roger Sayle <roger@eyesopen.com>
15674 * builtins.c (fold_builtin_copysign): Delete unreachable code.
15676 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15679 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
15680 MACHO_DYNAMIC_NO_PIC_P.
15681 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
15683 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15686 * config/darwin-protos.h (darwin_asm_output_anchor):
15688 * config/darwin-sections.def (cstring_section):
15689 Add SECTION_MERGE to the flags.
15690 (literal4_section): Likewise.
15691 (literal8_section): Likewise.
15692 (objc_selector_refs_section): Likewise.
15693 (objc_cls_refs_section): Likewise.
15694 * config/darwin.c (darwin_asm_output_anchor): New
15696 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
15698 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
15700 Fix PR tree-optimization/26443
15701 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
15702 to todo and PROP_tmt_usage to properties_destroyed.
15703 * tree-ssa-ccp.c (pass_ccp): Ditto.
15704 (pass_store_ccp): Ditto.
15705 * tree-ssa-dom.c (pass_dominator): Ditto.
15707 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15709 * tree-ssa-operands.c: Cleanup whitespace.
15710 (get_asm_expr_operands): Move before first invocation.
15711 (get_indirect_ref_operands): Likewise.
15712 (get_tmr_operands): Likewise.
15713 (get_call_expr_operands): Likewise.
15714 (append_def): Likewise.
15715 (append_use): Likewise.
15716 (append_v_may_def): Likewise.
15717 (append_v_must_def): Likewise.
15718 (add_call_clobber_ops): Likewise.
15719 (add_call_read_ops): Likewise.
15720 (add_stmt_operand): Likewise.
15721 (add_virtual_operand): Likewise.
15722 (build_ssa_operands): Likewise.
15724 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15726 PR middle-end/26022
15728 PR middle-end/24437
15729 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15730 with a call expr to ...
15731 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15733 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15735 * tree-vrp.c (extract_range_from_assert): Remove special
15736 handling for types with super-types.
15738 2006-03-01 Ben Elliston <bje@au.ibm.com>
15740 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
15741 and powerpc64-*-linux* configurations.
15742 * config/t-dfprules: New file.
15744 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
15745 Compile dfp-bit.c from the source directory using -DWIDTH and
15746 $DFP_CFLAGS to control the compilation of that file, rather than
15747 generating width-specific versions in the build directory.
15748 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
15749 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
15751 2006-02-28 Zack Weinberg <zackw@panix.com>
15753 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
15756 2006-02-28 Eric Christopher <echristo@apple.com>
15758 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
15759 Set up IN_LIBGCC definition of TARGET_64BIT.
15760 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
15762 2006-02-28 Roger Sayle <roger@eyesopen.com>
15764 PR middle-end/14752
15765 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
15766 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
15767 cases via the construction of "expr != 0".
15769 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
15771 * alias.c (alias_invariant, alias_invariant_size): Remove.
15772 (record_base_value): Remove.
15773 (memrefs_conflict_p): Don't look at alias_invariant.
15774 (end_alias_analysis): Don't free it.
15775 * alias.h (record_base_value): Remove prototype.
15777 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
15778 Adam Nemet <anemet@caviumnetworks.com>
15780 * rtl.h (truncated_to_mode): Declare it.
15781 (struct rtl_hooks): Add reg_truncated_to_mode hook.
15782 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
15783 (RTL_HOOKS_INITIALIZER): Include it.
15784 * rtlhooks.c (reg_truncated_to_mode_general): New function.
15785 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
15786 reg_truncated_to_mode.
15787 * rtlanal.c (truncated_to_mode): Define it.
15788 * simplify-rtx.c (simplify_unary_operation_1): Use it.
15790 2006-02-28 Jeff Law <law@redhat.com>
15792 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
15793 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
15794 the range allowed by TYPE_PRECISION.
15796 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
15798 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
15800 PR tree-optimization/26419
15801 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
15804 2006-02-27 Zack Weinberg <zackw@panix.com>
15806 * doc/md.texi: Fix typo in previous change.
15808 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
15812 2006-02-27 Zack Weinberg <zackw@panix.com>
15814 * rtl.def (define_constraint, define_register_constraint)
15815 (define_memory_constraint, define_address_constraint): New MD forms.
15816 * gensupport.c (process_rtx): Put define_constraint etc on the
15818 * genpreds.c (process_define_predicate): Adjust comment. Validate
15819 the name, and call validate_exp to validate the expression.
15820 (mark_mode_tests, write_extract_subexp): Can assume correct input.
15821 (write_predicate_expr): Likewise. NAME argument no longer necessary;
15822 all callers changed.
15823 (validate_exp, needs_variable, struct constraint_data)
15824 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
15825 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
15826 (const_dbl_constraints, constraint_max_namelen)
15827 (have_register_constraints, have_memory_constraints)
15828 (have_address_constraints, have_address_constraints)
15829 (have_extra_constraints, have_const_int_constraints)
15830 (have_const_dbl_constraints, mangle, add_constraint)
15831 (process_define_constraint, process_define_register_constraint)
15832 (write_enum_constraint_num, write_lookup_constraint)
15833 (write_insn_constraint_len, write_regclass_for_constraint)
15834 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
15835 (write_insn_extra_memory_constraint)
15836 (write_insn_extra_address_constraint)
15837 (write_satisfies_constraint_fns): New.
15838 (write_tm_preds_h): If we have new-style constraint definitions,
15839 prototype the functions generated from them, and define the
15840 old constraint interface (still used by generic code) in terms of
15842 (write_insn_preds_c): If we have new-style constraint definitions,
15843 generate all relevant functions from those definitions.
15844 (main): Handle define_constraint etc.
15845 * genoutput.c (struct constraint_data, indep_constraints)
15846 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
15847 (mdep_constraint_len): New data structures and functions, defined
15848 #ifdef USE_MD_CONSTRAINTS.
15849 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
15850 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
15851 use new logic to validate operand constraints against constraint
15853 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
15855 * defaults.h: If none of the old-style constraint macros are
15856 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
15857 old-style macros; and poison REG_CLASS_FROM_LETTER,
15858 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
15860 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
15861 * doc/md.texi: Document new constraint-definition mechanism and the
15862 C interface it provides. Remove references to old mechanism
15863 elsewhere in the document.
15864 (Machine Constraints): Use pathnames relative to gcc directory,
15865 i.e. config/ARCH/FILE. Change i386 section to refer to
15866 config/i386/predicates.md; update that section to match docstrings.
15867 * doc/tm.texi: Move all documentation of the old constraint-
15868 definition macros to their own section, clearly mark as obsolete.
15870 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
15871 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
15873 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
15874 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
15875 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
15876 constraint strings.
15877 (splits and peepholes): Use satisfies_constraint_*.
15878 * config/i386/i386.c (memory_address_length)
15879 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
15881 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
15883 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
15884 scalar operation to be put back into the loop.
15886 2006-02-27 Jakub Jelinek <jakub@redhat.com>
15889 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
15890 (extract_cie_info): Handle S flag in augmentation string.
15891 (execute_cfa_program): If context->signal_frame, execute also
15892 fs->pc == context->ra instructions.
15893 (uw_frame_state_for): If context->signal_frame, don't subtract one
15894 from context->ra to find FDE.
15895 (uw_update_context_1): Set context->signal_frame to
15897 (_Unwind_GetIPInfo): New function.
15898 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
15899 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
15901 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
15902 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
15903 * unwind-compat.c (_Unwind_GetIPInfo): New function.
15904 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
15905 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
15906 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
15907 * config/i386/linux-unwind.h (x86_fallback_frame_state,
15908 x86_64_fallback_frame_state): Set fs->signal_frame.
15909 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
15910 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
15911 (frob_update_context): Likewise. Workaround missing S flag in
15912 Linux 2.6.12 - 2.6.16 kernel vDSOs.
15913 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
15914 Remove the psw_addr + 1 hack.
15916 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
15918 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
15919 with aggregates here.
15920 (find_func_aliases): Remove code for &<aggregate> from here.
15922 2006-02-26 Roger Sayle <roger@eyesopen.com>
15924 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
15925 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
15926 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
15927 as (X & C) ne/eq 0.
15929 2006-02-26 Roger Sayle <roger@eyesopen.com>
15931 PR middle-end/19983
15932 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
15934 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
15936 * opts.c (decode_options): Do not handle flag_strength_reduce.
15937 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
15938 and OPT_fstrength_reduce.
15939 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
15940 flag_prefetch_loop_arrays for being nonzero.
15941 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
15943 (fprefetch-loop-arrays-rtl): Removed.
15944 (flag_prefetch_loop_arrays): Do not specify the value.
15946 * doc/passes.texi: Update documentation of loop optimizer
15948 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
15949 -frerun-loop-opt): Remove.
15951 2006-02-26 Richard Guenther <rguenther@suse.de>
15953 PR tree-optimization/26421
15954 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
15955 in function calls that are ADDR_EXPRs as using the whole structure.
15957 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
15959 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
15960 * tree-pass.h (pass_loop_optimize): Remove.
15961 * passes.c (pass_loop_optimize): Never run it.
15962 * toplev.c (backend_init): Don't call init_loop.
15963 * opts.c (flag_loop_optimize_set): Remove.
15964 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
15965 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
15966 the old RTL loop optimizer when profiling enabled.
15967 * predict.c (tree_estimate_probability): Always strip builtin_expect.
15968 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
15969 pre-headers for the sake of the old RTL loop optimizer.
15970 * Makefile.in: Remove all references to loop.o.
15972 * doc/invoke.texi: Remove all references to -floop-optimize
15973 and -frerun-loop-opt.
15975 2006-02-26 Zack Weinberg <zackw@panix.com>
15977 * doc/md.texi (Machine Constraints): Refer to all files with paths
15978 relative to gcc directory (i.e. config/CPU/file). Add missing
15979 @table @code ... @end table to M32C subsection.
15981 2006-02-26 Roger Sayle <roger@eyesopen.com>
15983 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
15985 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
15987 2006-02-26 Roger Sayle <roger@eyesopen.com>
15988 James A. Morrison <phython@gcc.gnu.org>
15990 PR middle-end/21137
15991 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
15992 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
15993 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
15994 signedness of the shift operation.
15996 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
15998 PR tree-optimization/26359
15999 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
16001 2006-02-25 Roger Sayle <roger@eyesopen.com>
16003 * simplify-rtx.c (simplify_relational_operation_1): Simplify
16004 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
16005 as X == 0, and some symmetry related transformations.
16006 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
16008 2006-02-25 Roger Sayle <roger@eyesopen.com>
16010 PR middle-end/23673
16011 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
16012 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
16013 symmetry related transformations. Fold (X^C1) == C2 as
16016 2006-02-25 Juergen Weigert <jw@suse.de>
16017 Richard Guenther <rguenther@suse.de>
16019 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
16021 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
16023 * combine.c (gen_lowpart_or_truncate): Call
16024 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
16026 2006-02-24 Diego Novillo <dnovillo@redhat.com>
16028 * doc/invoke.texi: Move -fopenmp description to "Options for
16030 Remove reference to -lgomp.
16032 2006-02-24 David Edelsohn <edelsohn@gnu.org>
16034 * doc/install.texi: Require GNU tar version 1.14.
16036 2006-02-24 Geoffrey Keating <geoffk@apple.com>
16038 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
16039 * doc/invoke.texi (C++ Dialect Options): Document
16040 -fno-use-cxa-get-exception-ptr.
16041 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
16042 * configure: Regenerate.
16043 * c.opt (fuse-cxa-get-exception-ptr): New.
16044 * c-opts.c (c_common_handle_option): Handle
16045 OPT_fuse_cxa_get_exception_ptr.
16046 * c-common.c (flag_use_cxa_atexit): Update documentation.
16047 (flag_use_cxa_get_exception_ptr): New.
16048 * c-common.h (flag_use_cxa_get_exception_ptr): New.
16049 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
16051 (C_COMMON_OVERRIDE_OPTIONS): New.
16053 2006-02-24 Roger Sayle <roger@eyesopen.com>
16055 PR middle-end/24952
16056 * combine.c (try_combine): Explicitly check whether GET_CODE is
16057 a SET or a CLOBBER, instead on checking that it isn't a USE.
16059 2006-02-24 Roger Sayle <roger@eyesopen.com>
16061 * fold-const.c (fold_comparison): New subroutine of fold_binary
16062 containing transformations common to both the equality and
16063 ordering relational operators, factored out of fold_binary.
16064 (fold_binary): Separate out the equality operators (EQ_EXPR
16065 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
16066 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
16067 transformations common to both.
16068 (fold_div_compare): Fix latent bugs in the previously unreachable
16069 LT_EXPR and GE_EXPR cases.
16071 2006-02-24 David Edelsohn <edelsohn@gnu.org>
16073 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
16074 decl libname for clog to __clog on AIX.
16076 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
16078 2006-02-24 Alan Modra <amodra@bigpond.net.au>
16081 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
16082 output traceback table for thunks. Localise rs6000_stack_info call.
16084 2006-02-23 Roger Sayle <roger@eyesopen.com>
16085 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16087 * gthr-posix.h (__gthrw): Fix typo in comment.
16089 2006-02-23 Geoffrey Keating <geoffk@apple.com>
16091 * doc/cpp.texi (Character sets): Document that we do support
16092 input files to be in any character set.
16094 2006-02-23 Jeff Law <law@redhat.com>
16096 * tree.h (PHI_ARG_NONZERO): Remove.
16097 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
16098 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
16099 node to the new node.
16101 PR tree-optimization/26425
16102 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
16103 min/max, then assume its varying.
16105 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
16107 PR rtl-optimization/26316
16108 * rtlanal.c (enum may_trap_p_flags): New.
16109 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
16110 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
16111 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
16112 (may_trap_after_code_motion_p): New function.
16113 * loop-invariant.c (find_identical_invariants): Fix dump formating.
16114 (find_invariant_insn): Use may_trap_after_code_motion_p.
16115 * rtl.h (may_trap_after_code_motion_p): Declare.
16117 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
16119 * emit-rtl.c (immed_double_const): Cleanup.
16121 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
16123 Fix PR tree-optimization/26376
16124 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
16127 2006-02-23 Jakub Jelinek <jakub@redhat.com>
16129 PR middle-end/26412
16130 * gimplify.c (omp_add_variable): Guard variable size decl test with
16131 DECL_SIZE (decl) check.
16133 2006-02-23 Richard Guenther <rguenther@suse.de>
16135 PR middle-end/26439
16136 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
16137 like aggregate types.
16139 2006-02-23 Jakub Jelinek <jakub@redhat.com>
16141 * configure.ac: Add --with{,out}-long-double-128 configure option.
16142 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
16143 * configure: Rebuilt.
16144 * config.in: Rebuilt.
16145 * doc/install.texi (Options specification): Document
16146 --with-long-double-128.
16148 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
16149 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
16150 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
16151 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
16153 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
16155 * config/s390/s390.c (override_options): Handle
16156 TARGET_DEFAULT_LONG_DOUBLE_128.
16158 * config/alpha/alpha.c (override_options): Handle
16159 TARGET_DEFAULT_LONG_DOUBLE_128.
16161 * config/sparc/sparc.c (sparc_override_options): Handle
16162 TARGET_DEFAULT_LONG_DOUBLE_128.
16164 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
16166 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
16167 (real-install-headers-tar, real-install-headers-cpio)
16168 (real-install-headers-cp): New targets.
16170 2006-02-22 Richard Sandiford <richard@codesourcery.com>
16172 * tree.h (variable_section): Delete.
16173 * varasm.c (variable_section): Delete.
16175 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
16177 * install.texi: Add notes on install.texi2html.
16178 (Building in parallel): Do not use footnotes.
16180 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
16183 * doc/install.texi (Configuration): Document --disable-libgomp.
16185 2006-02-21 Geoffrey Keating <geoffk@apple.com>
16187 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
16189 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
16191 * config/i386/sse.md (vec_extractv2df_1_sse): New.
16192 (vec_extractv2df_0_sse): New.
16194 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
16196 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
16197 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
16198 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
16199 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
16200 to the result of the expression.
16201 (def_cfa_1): Adjust.
16202 (frame_pointer_cfa_offset): Rename to...
16203 (frame_pointer_fb_offset): ... this. Adjust all uses.
16204 (convert_cfa_to_loc_list): Rename to...
16205 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
16206 Pass it on to build_cfa_loc.
16207 (compute_frame_pointer_to_cfa_displacement): Rename to...
16208 (compute_frame_pointer_to_fb_displacement): ... this. New
16209 offset parameter. Use it in computation.
16210 (gen_subprogram_die): Compute cfa_fb_offset with the new
16211 macro, and use it to compute the fb loc list and the
16214 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
16216 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
16217 replaced with register_operand.
16218 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
16219 non-DREG is expensive.
16220 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
16221 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
16224 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
16226 * doc/install.texi2html: Use set -e.
16228 2006-02-21 Richard Sandiford <richard@codesourcery.com>
16230 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
16231 (ASM_OUTPUT_SHARED_LOCAL): Delete.
16232 * doc/invoke.texi (-fshared-data): Delete.
16233 * common.opt (fshared-data): Delete.
16234 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
16235 (assemble_static_space): Remove #if 0 code.
16236 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
16237 (ASM_OUTPUT_SHARED_LOCAL): Poison.
16238 * config/cris/cris.h: Remove FIXME.
16240 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
16242 * doc/sourcebuild.texi (Front End Directory): No more double-colon
16245 2006-02-21 Jakub Jelinek <jakub@redhat.com>
16247 PR middle-end/26379
16248 * combine.c (simplify_shift_const_1): Disable nested shifts
16249 optimization for vector shifts.
16251 2006-02-20 Roger Sayle <roger@eyesopen.com>
16253 PR tree-optimization/26361
16254 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
16255 of unsigned integer types.
16257 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
16259 * tree-chrec.c (eq_evolutions_p): New.
16260 * tree-chrec.h (eq_evolutions_p): Declared.
16261 * tree-data-ref.c: Fix formatting.
16262 (datadep_stats, dependence_stats): New.
16264 (print_direction_vector): New.
16265 (dump_data_dependence_relation): Use print_direction_vector.
16266 (object_analysis, create_data_ref): Handle COMPONENT_REF.
16267 (compute_subscript_distance): Static.
16268 (initialize_data_dependence_relation): Static. Get the number
16269 of loops surrounding the references from the callers, and initialize
16270 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
16271 base_object_differ_p analyzers.
16272 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
16273 compute_overlap_steps_for_affine_1_2,
16274 analyze_subscript_affine_affine): Count the classified dependences.
16275 Print a message when a test failed.
16276 (can_use_analyze_subscript_affine_affine): New.
16277 (analyze_siv_subscript): Compute the data dependences on symbolic
16278 scevs that verify can_use_analyze_subscript_affine_affine.
16279 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
16280 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
16281 Handle symbolic scevs.
16282 (analyze_overlapping_iterations): Let symbolic affine scevs to be
16284 (subscript_dependence_tester): Moved...
16285 (build_classic_dist_vector, build_classic_dir_vector): Don't use
16286 lambda_vector_clear on newly allocated vectors. Get nb_loops from
16287 DDR_SIZE_VECT instead of getting it in parameter.
16288 (subscript_dependence_tester): ... here. Take as a parameter
16289 loop_nest_depth. Call build_classic_dist_vector and
16290 build_classic_dir_vector.
16291 (compute_affine_dependence): Update subscript_dependence_tester
16292 parameters. Update datadep_stats counters. Call
16293 compute_subscript_distance.
16294 (compute_self_dependence): Save the dist and dir vectors. Call
16295 compute_subscript_distance.
16296 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
16297 (compute_all_dependences): Reorder parameters as they were before
16298 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
16299 compute_subscript_distance. Update the use of
16300 compute_affine_dependence and initialize_data_dependence_relation.
16301 (find_data_references_in_loop): Handle COMPONENT_REF.
16302 (compute_data_dependences_for_loop): Initialize dependence_stats.
16303 Don't call build_classic_dist_vector and build_classic_dir_vector.
16304 Update the parameters of initialize_data_dependence_relation and
16305 compute_all_dependences. Print the statistics from datadep_stats.
16306 (analyze_all_data_dependences): Static. Not used until the pass for
16307 checking the data dependences is contributed.
16308 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
16309 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
16310 (initialize_data_dependence_relation, compute_affine_dependence,
16311 analyze_all_data_dependences, compute_subscript_distance): Removed.
16312 (print_direction_vector): New.
16313 * lambda.h (gcd): ... here.
16314 (lambda_vector_gcd): Moved here from gcd_vector.
16315 * lambda-code.c (gcd, gcd_vector): Removed.
16316 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
16317 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
16319 2006-02-20 Diego Novillo <dnovillo@redhat.com>
16321 * ipa-type-escape.c: Tidy some comments and white space.
16322 * tree-ssa-operands.c: Likewise.
16324 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
16327 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
16328 (dump_decl_name): Do not walk the decl tree chains.
16329 * tree-pass.h (TDF_CHAIN): Remove.
16331 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16333 * Makefile.in (C): Remove
16335 (.PHONY): Remove C and PROTO
16337 2006-02-20 Roger Sayle <roger@eyesopen.com>
16339 PR middle-end/26236
16340 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
16341 deprecated CHAR_TYPE tree code.
16343 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16345 * configure.ac (target_list): Add install-info, dvi, html.
16346 * configure: Regenerate.
16348 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
16349 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
16350 treelang/Make-lang.in: Do not use double-colon rules.
16352 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
16354 * tree.h (struct tree_memory_tag): Add is_used_alone member.
16355 (TMT_USED_ALONE): New macro.
16356 * tree-pass.h (PROP_tmt_usage): New property.
16357 (TODO_update_tmt_usage): New todo.
16358 * tree-ssa-alias.c (updating_used_alone): New variable.
16359 (recalculate_used_alone): New function.
16360 (compute_may_aliases): Set updating_used_alone, call
16361 recalculate_used_alone.
16362 * tree-sra.c (pass_sra): Note that this pass destroys
16363 PROP_tmt_usage, and add TODO_update_tmt_usage.
16364 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
16365 * tree-flow.h (updating_used_alone): Prototype.
16366 (recalculate_used_alone): Ditto.
16367 * passes.c (execute_todo): Add code to set updating_used_alone,
16368 and call recalculate.
16369 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
16370 for clobber if used alone, and add assert to verify used_alone
16373 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
16375 * config/s390/s390.c (legitimize_pic_address): Assertions checking
16376 for non tls symbols added.
16377 (legitimize_address): Do nothing for PLUS expressions if one of the
16378 addends is a tls symbol reference.
16380 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16384 * Makefile.in (LDFLAGS): Define from autoconf substitution.
16386 * Makefile.in (BOOTSTRAPPING): New.
16387 (quickstrap): New definition if BOOTSTRAPPING=yes.
16389 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
16390 * configure.ac: Substitute all_selected_languages with the languages
16391 that were configured. For all the other variables except
16392 lang_specs_files, include all the languages in the tree.
16393 * configure: Regenerate.
16395 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
16396 if there is one. Run the commands to run fixincludes in the same
16399 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
16400 * doc/install.texi: Document exact conventions for searching target tools.
16401 Document --with-build-time-tools. Document toplevel bootstrap. Document
16402 something more about building an Ada cross-compiler. Don't list GNU Make
16403 requirements which affect all platforms.
16405 2006-02-19 Roger Sayle <roger@eyesopen.com>
16407 PR middle-end/19543
16408 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
16409 only equivalent if the have both the same mode and precision.
16411 2006-02-20 Ben Elliston <bje@au.ibm.com>
16413 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
16415 2006-02-19 Roger Sayle <roger@eyesopen.com>
16416 Steven Bosscher <stevenb.gcc@gmail.com>
16418 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
16419 constant pool references to identify stack mode constants.
16420 * rtlanal.c (constant_pool_constant_p): New predicate to check
16421 whether operand is a floating point constant in the pool.
16422 * rtl.h (constant_pool_constant_p): Prototype here.
16423 * loop.c (scan_loop): Avoid hoisting constants from the constant
16424 pool on STACK_REGS targets.
16425 (load_mems): Likewise.
16426 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
16427 loads into x87 registers expensive in terms of register pressure.
16429 2006-02-19 Roger Sayle <roger@eyesopen.com>
16431 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
16432 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
16434 2006-02-19 David Edelsohn <edelsohn@gnu.org>
16436 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16437 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
16439 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
16441 * doc/invoke.texi: Document -fipa-pta.
16442 * common.opt: Add ipa-pta option.
16443 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
16444 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
16445 (do_ds_constraint): Ditto.
16446 (get_constraint_for): Only add to referenced_vars if
16447 referenced_vars exists.
16448 (insert_into_field_list): Rewrite to do this unsorted.
16449 (insert_into_field_list_sorted): Rename old insert_into_field_list
16451 (create_function_info_for): Use insert_into_field_list_sorted.
16452 (create_variable_info_for): Rewrite so it uses unsorted version,
16453 since the field list is sorted.
16454 (intra_create_variable_infos): Only add to referenced_vars if
16455 referenced_vars exists.
16456 (ipa_pta_execute): Init heapvars, and delete when done.
16457 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
16459 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16461 * doc/install.texi: Add missing `@samp'.
16463 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16465 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
16468 2006-02-18 Mark Wielaard <mark@klomp.org>
16470 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
16471 who added new 4.1 features, bug fixes and integration support.
16473 2006-02-18 David Edelsohn <edelsohn@gnu.org>
16476 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
16477 MEM for ABI_V4 pic.
16479 2006-02-18 Richard Sandiford <richard@codesourcery.com>
16481 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
16482 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
16483 (copy_insn_1): Likewise. Don't copy each field individually.
16485 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
16487 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
16488 * rtl.c (rtx_size): Rename variable to...
16489 (rtx_code_size): ...this.
16490 (rtx_size): New function.
16491 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
16492 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
16494 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
16495 * rtl.h (rtx_code_size): New variable.
16496 (rtx_size): Change from a variable to a function.
16497 (RTX_SIZE): Rename to...
16498 (RTX_CODE_SIZE): ...this.
16501 PR tree-optimization/17106
16502 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
16503 (Anchored Addresses): New section.
16504 * doc/invoke.texi (-fsection-anchors): Document.
16505 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
16506 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
16507 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
16508 * hooks.c (hook_bool_mode_rtx_false): New function.
16509 * hooks.h (hook_bool_mode_rtx_false): Declare.
16510 * gengtype.c (create_optional_field): New function.
16511 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
16512 SYMBOL_REF_IN_BLOCK_P is true.
16513 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
16514 (min_anchor_offset, max_anchor_offset): Likewise.
16515 (use_anchors_for_symbol_p): New hook.
16516 * toplev.c (compile_file): Call output_object_blocks.
16517 (target_supports_section_anchors_p): New function.
16518 (process_options): Check that -fsection-anchors is only used on
16519 targets that support it and when -funit-at-a-time is in effect.
16520 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
16521 if the decl doesn't have one.
16522 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
16523 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
16524 of force_const_mem through use_anchored_address.
16525 (expand_expr_constant): New function.
16526 (expand_expr_addr_expr_1): Call it. Use the same modifier when
16527 calling expand_expr for INDIRECT_REF.
16528 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
16529 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
16530 * expr.h (use_anchored_address): Declare.
16531 * loop-unroll.c: Don't declare rtx vectors here.
16532 * explow.c: Include output.h.
16533 (validize_mem): Call use_anchored_address.
16534 (use_anchored_address): New function.
16535 * common.opt (-fsection-anchors): New switch.
16536 * varasm.c (object_block_htab, anchor_labelno): New variables.
16537 (hash_section, object_block_entry_eq, object_block_entry_hash)
16538 (use_object_blocks_p, get_block_for_section, create_block_symbol)
16539 (use_blocks_for_decl_p, change_symbol_section): New functions.
16540 (get_variable_section): New function, split out from assemble_variable.
16541 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
16542 use_blocks_for_decl_p say so. Use change_symbol_section if the
16543 symbol has already been created.
16544 (assemble_variable_contents): New function, split out from...
16545 (assemble_variable): ...here. Don't output any code for
16546 block symbols; just pass them to place_block_symbol.
16547 Use get_variable_section and assemble_variable_contents.
16548 (get_constant_alignment, get_constant_section, get_constant_size): New
16549 functions, split from output_constant_def_contents.
16550 (build_constant_desc): Create a block symbol if use_object_blocks_p
16551 says so. Or into SYMBOL_REF_FLAGS.
16552 (assemble_constant_contents): New function, split from...
16553 (output_constant_def_contents): ...here. Don't output any code
16554 for block symbols; just pass them to place_section_symbol.
16555 Use get_constant_section and get_constant_alignment.
16556 (force_const_mem): Create a block symbol if use_object_blocks_p and
16557 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
16558 (output_constant_pool_1): Add an explicit alignment argument.
16559 Don't switch sections here.
16560 (output_constant_pool): Adjust call to output_constant_pool_1.
16561 Switch sections here instead. Don't output anything for block symbols;
16562 just pass them to place_block_symbol.
16563 (init_varasm_once): Initialize object_block_htab.
16564 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
16565 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
16566 (place_block_symbol, get_section_anchor, output_object_block)
16567 (output_object_block_htab, output_object_blocks): New functions.
16568 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
16569 (TARGET_ASM_OUT): Include it.
16570 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
16571 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
16572 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
16573 (TARGET_INITIALIZER): Include them.
16574 * rtl.c (rtl_check_failed_block_symbol): New function.
16575 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
16576 (block_symbol, object_block): New structures.
16577 (rtx_def): Add a block_symbol field to the union.
16578 (BLOCK_SYMBOL_CHECK): New macro.
16579 (rtl_check_failed_block_symbol): Declare.
16580 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
16581 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
16582 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
16583 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
16584 * output.h (output_section_symbols): Declare.
16585 (object_block): Name structure.
16586 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
16587 (default_use_anchors_for_symbol_p): Declare.
16588 * Makefile.in (RTL_BASE_H): Add vec.h.
16589 (explow.o): Depend on output.h.
16590 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
16591 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
16592 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
16593 (rs6000_use_blocks_for_constant_p): New function.
16595 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16597 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
16599 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16602 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
16605 2006-02-18 Diego Novillo <dnovillo@redhat.com>
16607 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
16611 2006-02-18 Jakub Jelinek <jakub@redhat.com>
16613 PR middle-end/26334
16614 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
16615 instead of DECL_REGISTER.
16617 2006-02-18 Olivier Hainque <hainque@adacore.com>
16620 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
16622 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
16625 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
16626 * opth-gen.awk: Handle Var and InverseMask together.
16627 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
16628 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
16629 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
16630 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
16632 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16633 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16634 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
16635 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16636 LINUX_DYNAMIC_LINKER): Define.
16637 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
16638 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
16640 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16641 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
16642 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16643 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16644 (TARGET_C99_FUNCTIONS): Don't define.
16645 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
16646 GLIBC_DYNAMIC_LINKER.
16647 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
16648 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
16649 GLIBC_DYNAMIC_LINKER64): Define.
16650 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16651 LINUX_DYNAMIC_LINKER64.
16652 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16653 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16654 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
16655 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16656 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16657 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16658 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
16659 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
16660 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
16661 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
16662 and LINUX_DYNAMIC_LINKER32.
16663 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16664 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16665 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
16666 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16667 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
16669 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
16670 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
16671 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16672 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16673 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16674 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
16675 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
16676 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
16677 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16678 LINUX_DYNAMIC_LINKER): Define.
16679 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
16680 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
16681 GLIBC_DYNAMIC_LINKER64): Define.
16682 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16683 LINUX_DYNAMIC_LINKER64.
16684 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16685 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16686 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
16687 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16688 LINUX_DYNAMIC_LINKER): Define.
16689 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16690 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16691 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
16692 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
16693 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
16694 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16695 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
16696 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
16697 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16698 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16699 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16700 * doc/invoke.texi (-muclibc): Remove caveat about supported
16703 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
16705 * doc/cpp.texi (__TIMESTAMP__): Document.
16707 2006-02-17 Roger Sayle <roger@eyesopen.com>
16709 PR middle-end/25600
16710 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
16711 C is one less than the width of X (and related transformations).
16712 * simplify-rtx.c (simplify_unary_operation_1): Transform
16713 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
16714 depending on STORE_FLAG_VALUE, were C is one less then the
16717 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
16719 Fix PR tree-optimization/26341
16720 * tree-ssa-operands.c (add_virtual_operand): Remove assert
16721 about NAME_MEMORY_TAG's.
16723 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16726 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
16727 with hardware float support, and software float support. Add fcpy
16728 alternative to hardware patterns. Add alternatives to copy between
16729 general and floating-point registers to the 32-bit pattern.
16730 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
16731 secondary reload to load a QI or HI mode constant into a floating
16733 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
16734 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
16736 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
16739 * config/rs6000/darwin.md (load_macho_picbase_si): Add
16741 (load_macho_picbase_di): Likewise.
16743 2006-02-16 Jeff Law <law@redhat.com>
16745 * tree-vrp.c (set_value_range_to_nonnegative): New function.
16746 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
16747 (ssa_name_nonzero_p): Likewise.
16748 (get_value_range): Return NULL if VRP is not running.
16749 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
16750 VRP routines do not discover a range.
16751 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
16752 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
16753 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
16754 (tree_expr_nonnegative_p): Similarly.
16755 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
16756 (restore_nonzero_vars_to_original_value): Remove.
16757 (unsafe_associative_fp_binop): Remove.
16758 (tree_ssa_dominator_optimize): Remove initialization and
16759 finalization of nonzero_vars and nonzero_vars_stack.
16760 (dom_opt_initialize_block): No longer push marker on
16761 nonzero_vars_stack.
16762 (dom_opt_finalize_block): No longer call
16763 restore_nonzero_vars_to_original_value.
16764 (record_equivalences_from_phis): No longer look for
16765 nonzero PHI arguments.
16766 (cprop_into_successor_phis): No longer propagate nonzero
16767 property into PHI arguments. Lose unused argument. Caller
16769 (record_equivalences_from_stmt): No longer record nonzero
16770 values for SSA_NAMEs.
16771 (lookup_avail_expr): No longer use nonzero_vars.
16773 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
16774 for sizetype when sizetype is unsigned.
16776 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
16778 PR rtl-optimization/25603
16779 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
16780 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
16781 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
16782 with new meaning of SETS.
16784 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
16789 * config/linux.opt: New file.
16790 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
16791 LINUX_DYNAMIC_LINKER): Define.
16792 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
16793 * config.gcc (*-*-linux*): Define extra_options.
16794 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
16795 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
16796 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
16797 GLIBC_DYNAMIC_LINKER.
16798 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
16799 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16800 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16801 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16802 * doc/invoke.texi (GNU/Linux Options): New section.
16804 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
16806 * config/sparc/sparc.md (setjmp): Rewrite.
16807 (setjmp_32): Delete.
16808 (setjmp_64): Likewise.
16810 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
16812 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
16815 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
16817 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
16820 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
16822 PR rtl-optimization/26296
16823 * Makefile.in (loop-invariant.c): Add except.h dependency.
16824 * loop-invariant.c: Include except.h.
16825 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
16827 2005-02-16 Paul Brook <paul@codesourcery.com>
16829 * reload1.c (emit_reload_insns): Invalidate dead input registers used
16832 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
16834 PR rtl-optimization/25636
16835 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
16836 when deciding whether an insn is an initializing insn.
16838 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
16840 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
16841 (tree_code_size): Ditto.
16842 * tree.h (struct tree_memory_tag): Remove parent_var.
16843 (struct tree_struct_field_tag): New.
16846 (union tree_node): Add sft member.
16847 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
16849 (create_sft): Add size and offset argument, set SFT_OFFSET and
16851 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
16852 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
16853 * tree-flow-inline.h (get_subvar_at): Update for
16854 SFT_OFFSET/SFT_SIZE.
16855 (var_can_have_subvars): Ditto.
16856 (overlap_subvar): Ditto.
16857 * print-tree.c (print_node): Print out interesting things for
16859 * tree-flow.h (struct subvar): Remove offset and size members.
16860 * tree-ssa-operands.c (get_expr_operands): Update for
16861 get_indirect_ref_operands changes.
16862 (get_indirect_ref_operands): Call add_virtual_operand instead of
16863 add_stmt_operand. Only recurse on base var if requested.
16864 (access_can_touch_variable): New function.
16865 (add_stmt_operand): Split virtual operand handling into ...
16866 (add_virtual_operand): Here. Add offset, size, and for_clobber
16867 arguments. Prune alias sets.
16868 (add_call_clobber_ops): Call add_virtual_operand.
16870 2006-02-15 Jakub Jelinek <jakub@redhat.com>
16872 PR middle-end/26300
16873 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
16875 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
16876 than TREE_CODE as index into omp_clause_num_ops array.
16878 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
16880 PR rtl-optimization/26184
16881 * modulo-sched.c (generate_reg_moves): Free bitmap vector
16883 * modulo-sched.c (sms_schedule): Free g_arr pointer.
16884 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
16885 must_precede, must_follow and tobe_scheduled.
16888 * opts.c (common_handle_option): Free new_option pointer.
16889 * df-core.c (df_analyze): Free postorder pointer.
16891 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16893 * Makefile.in: Fix the examples about the use of stamps
16895 2006-02-15 Michael Matz <matz@suse.de>
16897 PR middle-end/22275
16899 * stor-layout.c (layout_decl): Zero-width bitfields aren't
16900 influenced by maximum_field_alignment or DECL_PACKED.
16901 (update_alignment_for_field): Ditto.
16902 (place_field): Ditto.
16903 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
16906 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
16908 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
16909 (debug_flow_info): Pass it.
16910 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
16911 * bb-reorder.c (reorder_basic_blocks): Likewise.
16912 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
16913 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
16914 * flow.c (life_analysis, recompute_reg_usage): Likewise.
16915 * gcse.c (gcse_main, bypass_jumps): Likewise.
16916 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
16917 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
16918 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
16919 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
16920 * rtl.h (dump_flow_info): Adjust prototype.
16921 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
16922 * var-tracking.c (variable_tracking_main): Likewise.
16923 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
16924 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
16927 2006-02-15 Marcin Dalecki <martin@dalecki.de>
16929 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
16932 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
16934 PR tree-optimization/26209
16935 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
16936 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
16938 * tree-cfg.c (replace_uses_by): Do not alter cfg.
16940 2006-02-14 Roger Sayle <roger@eyesopen.com>
16942 PR middle-end/23670
16943 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
16944 (X,Y) and the corresponding symmetry related transformations.
16945 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
16946 (X,Y) and its symmetry related transformations.
16948 2006-02-14 Roger Sayle <roger@eyesopen.com>
16950 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
16953 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
16955 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
16957 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16960 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
16961 support COMDAT group.
16962 * configure: Regenerate.
16964 2006-02-14 Roger Sayle <roger@eyesopen.com>
16966 PR middle-end/26279
16967 PR middle-end/26280
16968 PR middle-end/26283
16969 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
16971 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
16973 Fix PR tree-optimization/26260
16975 * doc/invoke.texi (max-fields-for-field-sensitive): Document
16977 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
16978 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
16979 * tree-ssa-structalias.c (create_variable_info_for): Use
16980 MAX_FIELDS_FOR_FIELD_SENSITIVE.
16982 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
16984 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
16986 * tree-ssa-loop-niter.c (number_of_iterations_ne,
16987 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
16988 of the ending condition.
16989 * tree-ssa-loop-manip.c: Include params.h.
16990 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
16991 tree_unroll_loop): New functions.
16992 * tree-pass.h (pass_loop_prefetch): Declare.
16993 * loop.c (rest_of_handle_loop_optimize): Test for
16994 -fprefetch-loop-arrays-rtl.
16995 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
16996 * timevar.def (TV_TREE_PREFETCH): New timevar.
16997 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
16998 pass_loop_prefetch): New.
16999 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
17000 (cleanup_tree_cfg_loop): Call scev_reset.
17001 * common.opt (fprefetch-loop-arrays-rtl): Add.
17002 * tree-ssa-loop-prefetch.c: New file.
17003 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
17004 (new_temp_expr_table): Initialize expr_vars.
17005 (free_temp_expr_table): Cleanup expr_vars.
17006 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
17007 expressions from being merged into one.
17008 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
17009 (struct tree_niter_desc): Add control, bound and cmp fields.
17010 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
17012 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
17013 (tree-cfgcleanup.o): Add SCEV_H dependency.
17014 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
17015 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
17017 2006-02-14 Richard Guenther <rguenther@suse.de>
17019 PR tree-optimization/26258
17020 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
17021 in PHI argument processing.
17023 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
17025 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
17026 new expression in the requested machine mode.
17028 2006-02-13 Roger Sayle <roger@eyesopen.com>
17030 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
17031 directly, instead let do_compare_rtx_and_jump handle this for us.
17032 * expr.c (expand_expr_real_1): Likewise.
17033 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
17034 before do_jump_by_parts_greater.
17035 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
17036 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
17038 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17040 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
17042 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
17044 PR rtl-optimization/26235
17045 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
17046 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
17049 2006-02-13 Jeff Law <law@redhat.com>
17051 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
17054 2006-02-13 Jakub Jelinek <jakub@redhat.com>
17056 PR middle-end/26092
17057 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
17058 twice if decl is a builtin. When trying again, call get_callee_fndecl
17059 first to verify it is still a builtin.
17061 2006-02-13 Geoffrey Keating <geoffk@apple.com>
17063 * dwarf2out.c (base_type_die): Don't add AT_name here.
17064 (subrange_type_die): Don't add AT_name here.
17065 (modified_type_die): Rearrange code flow. Do add AT_name here.
17067 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
17069 PR rtl-optimization/26247
17070 PR rtl-optimization/26248
17071 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
17073 2006-02-13 Richard Sandiford <richard@codesourcery.com>
17075 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
17076 * config/fixtfdi.c: Likewise.
17077 * config/fixunstfdi.c: Likewise.
17078 * config/floatditf.c: Likewise.
17080 2006-02-13 Roger Sayle <roger@eyesopen.com>
17082 PR middle-end/24427
17083 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
17084 into (X,C2) if C1 is a subset of the bits of C2. Transform
17085 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
17087 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
17089 2006-02-13 Josh Conner <jconner@apple.com>
17092 * varasm.c (function_section): Check for section name before
17093 calling select_section on targets that define
17094 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
17095 unlikely_text_section instead of hot_function_section if
17096 first_function_block_is_cold.
17098 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
17100 PR middle-end/25335
17101 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
17103 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
17105 PR rtl-optimization/26222
17106 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
17107 after tree->rtl expansion.
17108 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
17109 before passing it to emit_move_insn.
17111 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
17113 * doc/invoke.texi (-Write-strings): Document that it is enabled by
17115 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
17116 Clarify documentation.
17117 * c-common.h (warn_write_strings): Remove.
17118 * c-common.c (warn_write_strings): Likewise.
17119 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
17122 2006-02-12 Roger Sayle <roger@eyesopen.com>
17124 PR middle-end/25724
17125 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
17126 (do_jump_parts_zero_rtx): New function renamed from
17127 do_jump_parts_equality_rtx. Made static. Add a mode argument.
17128 (do_jump_parts_equality_rtx): New function split out from
17129 do_jump_parts_equality. Old implementation renamed as above.
17130 Call do_jump_parts_zero_rtx if either operand is zero.
17131 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
17132 do all of the heavy lifting.
17133 (do_compare_rtx_and_jump): Handle multi-word comparisons by
17134 calling either do_jump_by_parts_greater_rtx or
17135 do_jump_by_parts_equality_rtx.
17136 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
17137 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
17138 moved to do_compare_rtx_and_jump, call it directly.
17139 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
17140 mode argument. Call do_compare_rtx_and_jump.
17141 (emit_case_nodes): Update calls to do_jump_if_equal.
17143 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
17145 PR rtl-optimization/26225
17146 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
17148 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
17150 PR rtl-optimization/26232
17151 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
17153 2006-02-11 Jason Merrill <jason@redhat.com>
17156 * tree-inline.c (declare_return_variable): Just don't use the
17157 modify target if it's a gimple complex reg and the return slot
17160 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17162 * doc/contrib.texi: Update my entry.
17164 2006-02-10 Geoffrey Keating <geoffk@apple.com>
17166 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
17168 2006-02-10 Diego Novillo <dnovillo@redhat.com>
17170 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
17173 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
17175 * doc/invoke.texi (-floop-optimize2): Removed.
17176 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
17177 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
17178 Test flag_branch_on_count_reg only if HAVE_doloop_end.
17179 * common.opt (floop-optimize2): Removed.
17180 (fmove-loop-invariants): Enabled by default.
17182 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
17184 * tree-if-conv.c (combine_blocks): Free the result of
17185 get_loop_exit_edges.
17187 2006-02-10 Jeff Law <law@redhat.com>
17189 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
17191 PR tree-optimization/26213
17192 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
17193 loop trying to follow SSA_NAME_VALUE chains.
17195 2006-02-10 Richard Guenther <rguenther@suse.de>
17197 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
17198 deal with structures that end in implicitly variable sized arrays.
17200 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
17202 PR rtl-optimization/24762
17203 * df-scan.c (df_bb_refs_record): Record correct registers defined on
17206 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
17208 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
17209 (struct ivopts_data): Add regs_used field.
17210 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
17211 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
17212 instead of loop_data->regs_used;
17213 (free_loop_data): Do not free aux fields for loops.
17214 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
17215 and tree_ssa_iv_optimize_finalize.
17217 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
17219 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
17221 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
17224 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
17225 computing the effective result type.
17227 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
17229 PR inline-asm/16194
17230 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
17231 (tree_overlaps_hard_reg_set): Declare.
17232 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
17233 type and signature to match function type expected by walk_tree.
17234 (tree_overlaps_hard_reg_set): New function.
17235 (decl_conflicts_with_clobbers_p): Rename to:
17236 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
17237 Use tree_overlaps_hard_reg_set. Changed caller.
17238 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
17239 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
17240 * cris.c (cris_md_asm_clobbers): Likewise.
17242 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
17244 * reload1.c (emit_input_reload_insns): Delete code that tries to
17245 inherit using find_equiv_reg.
17247 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
17249 * c-common.h (flag_const_strings): Don't declare.
17250 * c-common.c (flag_const_strings): Remove.
17251 * c.opt (fconst_strings): Remove.
17252 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
17253 <OPT_Wwrite_strings>: Don't set flag_const_strings.
17254 (c_common_init_options): Don't set flag_const_strings.
17255 * doc/invoke.texi (-fno-const-strings): Remove documentation.
17257 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
17259 * arm.md (tlobits_cbranch): New pattern.
17260 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
17261 testing a single bit.
17263 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17266 * tree-ssa-pre.c (create_component_ref_by_pieces):
17267 Handle RETURN_DECL like VAR_DECL.
17269 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17271 PR middle-end/26134
17272 * fold-const.c (fold_indirect_ref_1): Fold
17273 "*(foo *)&complexfoo" to "__real__ complexfoo"
17274 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
17276 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17278 * tree-flow-inline.h (var_can_have_subvars):
17279 Volatile variables should not have subvariables.
17281 2006-02-09 Diego Novillo <dnovillo@redhat.com>
17284 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
17285 multiplying unsigned values.
17288 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
17290 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
17292 2006-02-08 Jason Merrill <jason@redhat.com>
17295 * tree.def: Elaborate on difference from MODIFY_EXPR.
17296 * doc/c-tree.texi (INIT_EXPR): Likewise.
17297 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
17298 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
17299 (gimplify_target_expr): Likewise.
17300 (gimplify_cond_expr): Remove target handling.
17301 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
17302 (gimplify_expr): Clobber it here.
17303 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
17304 Do return slot optimization if we have an INIT_EXPR.
17307 * tree-inline.c (declare_return_variable): Also clear
17308 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
17311 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
17313 PR middle-end/22439
17314 * gimplify.c (gimplify_one_sizepos): Fix typo.
17316 2006-02-08 Jeff Law <law@redhat.com>
17318 PR tree-optimization/21417
17319 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
17320 across a backedge if the control statement at the end of the
17321 block is data dependent on other statements in the same block.
17322 (record_temporary_equivalences_from_stmts): Remove over-conservative
17323 test for threading across backedges.
17325 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
17326 control statement, handle all three special cases in the same
17327 manner as they all have the same desired solution. No longer
17328 special case edge flag updating when the post dominator is
17331 2006-02-08 Roger Sayle <roger@eyesopen.com>
17333 * tree.def (CHAR_TYPE): Remove.
17334 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
17335 * dwarf2out.c (base_type_die, is_base_type): Likewise.
17336 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
17337 (gen_string_type_die): Delete unreachable function.
17339 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
17340 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
17341 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
17342 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
17343 * builtins.c (type_to_class): Likewise.
17344 * fold-const.c (fold_convert, build_range_check,
17345 merge_ranges): Likewise.
17346 * expr.c (count_type_elements): Likewise.
17347 * c-pretty-print.c (pp_c_type_specifier): Likewise.
17348 * stor-layout.c (layout_type): Likewise.
17349 * ipa-type-escape.c (type_to_consider): Likewise.
17350 * gimplify.c (omp_firstprivatize_type_sizes,
17351 gimplify_type_sizes): Likewise.
17352 * explow.c (promote_mode): Likewise.
17353 * tree-sra.c (is_sra_scalar_type): Likewise.
17354 * varasm.c (output_constant): Likewise.
17355 * tree-inline.c (remap_type_1): Likewise.
17356 * convert.c (convert_to_pointer, convert_to_real,
17357 convert_to_integer, convert_to_complex): Likewise.
17359 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
17361 * df-scan.c (df_def_record_1): A set destination may
17362 be a parallel regardless of mode.
17364 2006-02-08 Roger Sayle <roger@eyesopen.com>
17367 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
17368 * config/mips/_tilib.c: Remove.
17369 * config/fixtfdi.c: New libgcc source file.
17370 * config/fixunstfdi.c: New source file.
17371 * config/floatditf.c: New source file.
17372 * config/floatunditf.c: New souce file.
17373 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
17374 files above instead of config/mips/_tilib.c.
17375 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
17377 2006-02-08 Jeff Law <law@redhat.com>
17379 PR tree-optimization/26169
17380 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
17383 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
17385 * df.h (DF_REG_SIZE): Return the length of the initialized
17388 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
17390 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
17391 __muldf3): Return a correctly signed zero.
17393 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
17395 * passes.c (register_one_dump_file): Accept the current properties
17396 instead of pass number. Adjust call to dump_register. Remove
17398 (register_dump_files): Now a wrapper around...
17399 (register_dump_files_1): ... this one. Do not modify the pass
17401 (next_pass_1): Cosmetic fix.
17402 (execute_todo): Keep second parameter only. Use curr_properties
17403 instead of fetching it from the pass structure. Check and set
17405 (execute_one_pass): Handle TODO_set_props. Use curr_properties
17406 instead of fetching it from the pass structure. Fix calls to
17407 execute_todo. Update curr_properties and initialize .vcg RTL dump
17408 after running the pass. Reset last_verified.
17409 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
17411 (FIRST_AUTO_NUMBERED_DUMP): New.
17412 (dump_register): Remove "num" parameter, assign it within the
17414 (get_dump_file_name): Modify template for dumps.
17415 * tree-dump.h (dump_register): Adjust prototype.
17416 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
17417 (PROP_trees): Add PROP_gimple_lomp.
17418 (TODO_set_props): New.
17419 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
17420 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
17421 * cfgexpand.c (pass_expand): Destroy PROP_trees.
17423 2006-02-08 Jakub Jelinek <jakub@redhat.com>
17425 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
17426 (sparc64-*-linux*): Likewise.
17427 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
17428 * config/sparc/t-linux: New file.
17429 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
17430 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
17431 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
17432 -m32 -mlong-double-128.
17434 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
17435 * config/alpha/t-linux: New file.
17436 * config/alpha/libgcc-alpha-ldbl.ver: New file.
17438 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
17439 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
17440 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
17441 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
17442 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
17443 (CPP_ARCH32_SPEC): Remove.
17445 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
17447 PR tree-optimization/26145
17448 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
17451 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17454 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
17455 >= 240000 when generating code for SOM runtime.
17456 (output_indirect_call): Don't use "b,l" instruction for indirect calls
17457 to $$dyncall when generating code for SOM runtime..
17459 2006-02-07 Dirk Mueller <dmueller@suse.com>
17462 * doc/invoke.texi (-Wsequence-point): Update documentation
17463 that -Wsequence-point is implemented for C++ as well.
17465 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17467 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
17468 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
17469 (LIB_SPEC): Likewise.
17470 * doc/invoke.texi (SPARC options): Document -pthread.
17472 2006-02-07 Geoffrey Keating <geoffk@apple.com>
17474 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
17477 2006-02-07 Roger Sayle <roger@eyesopen.com>
17479 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
17480 Correct comment describing BOOLEAN_TYPE.
17482 2006-02-07 Dirk Mueller <dmueller@suse.com>
17484 * c.opt: C++ frontend supports -Wdiv-by-zero.
17485 * c-opts.c (c_common_handle_option): Remove dead case.
17487 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17489 * configure.ac (TLS assembler check): Do not enable TLS by
17490 default on SPARC/Solaris before version 10.
17491 * configure: Regenerate.
17493 2006-02-07 David Edelsohn <edelsohn@gnu.org>
17495 * doc/invoke.texi (xl-compat): Document conversion and support
17498 2006-02-07 Jeff Law <law@redhat.com>
17500 * tree-vrp.c (find_conditional_asserts): Update comments.
17501 (simplify_stmt_for_jump_threading): New.
17502 (identify_jump_threads, finalize_jump_threads): New.
17503 (vrp_finalize): Call identify_jump_threads.
17504 (execute_vrp): Call finalize_jump_threads.
17505 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
17506 (vrp_element, vrp_data, vrp_element_p): Remove.
17507 (vrp_hash_elt, vrp_variables_stack): Remove.
17508 (vrp_hash, vrp_eq, record_range): Remove.
17509 (simplify_cond_and_lookup_avail_expr): Remove.
17510 (extract_range_from_cond): Remove.
17511 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
17512 (simplify_stmt_for_jump_threading): New.
17513 (dom_thread_across_edge): New wrapper.
17514 (tree_ssa_dominator_optimize): No longer initialize or
17515 finalize any of the VRP datastructures. Remove iteration
17516 step and simplify as a result of removal of iteration step.
17517 (pass_dominator): Perform a cfg cleanup after DOM.
17518 (dom_opt_finalize_block): Use the new common routines
17519 for threading jumps. Simplify stack management slightly.
17520 No longer need to unwind VRP state.
17521 (record_equivalences_from_incoming_edge): No longer record
17523 (eliminate_redundant_computations): No longer call
17524 simplify_cond_and_lookup_avail_expr.
17525 * tree-flow.h (potentially_threadable_block): Prototype.
17526 (thread_across_edge): Likewise.
17527 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
17528 (tree-ssa-threadedge.o): Add dependencies.
17529 * tree-ssa-threadedge.c: New file.
17530 * passes.c (init_optimization_passes): Merge PHIs before
17531 calling VRP. Run VRP again late in the SSA optimization pipeline.
17533 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17535 * df-core.c (df_set_blocks): Do not dereference function pointers.
17536 (df_finish1): Likewise.
17537 (df_hybrid_search_forward): Likewise.
17538 (df_hybrid_search_backward): Likewise.
17539 (df_iterative_dataflow): Likewise.
17540 (df_analyze_problem): Likewise.
17541 (df_compact_blocks): Likewise.
17542 (df_dump): Likewise.
17543 * df-scan.c (df_rescan_blocks): Likewise.
17544 (df_record_entry_block_defs): Likewise.
17546 * genconditions.c (write_conditions): Guard the definition of
17547 'insn_conditions' with the check on GCC version.
17548 (write_writer): Guard the traversal 'insn_conditions' with
17549 the check on GCC version.
17551 2006-02-07 Richard Guenther <rguenther@suse.de>
17555 2006-01-30 Richard Guenther <rguenther@suse.de>
17557 * gimplify.c (gimplify_target_expr): Handle easy cases
17558 without creating a temporary.
17560 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
17562 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
17563 use of float in probability computations. Use edge probabilities
17564 in place of statically computed probabilities.
17565 (min_spec_prob): New static variable.
17566 (schedule_insns): Initialize it.
17567 (GET_SRC_PROB): Removed.
17568 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
17570 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
17573 * config/ia64/unwind-ia64.c: Revert last change.
17574 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
17575 (INCOMING_FRAME_SP_OFFSET): Define.
17577 2006-02-06 Roger Sayle <roger@eyesopen.com>
17579 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
17581 2006-02-07 Ben Elliston <bje@au.ibm.com>
17583 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
17584 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
17585 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
17586 (ix86_return_in_memory): Handle TDmode.
17587 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
17588 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
17590 2006-02-06 Richard Sandiford <richard@codesourcery.com>
17592 * reorg.c (dbr_schedule): Use dump_file instead of file.
17594 2006-02-06 Steve Ellcey <sje@cup.hp.com>
17597 * config/ia64/predicates.md (extr_len_operand): New predicate.
17598 * config/ia64/ia64.md (extv): Tighten constraints.
17600 (*tbit_and_2): Ditto.
17601 (*tbit_and_3): Ditto.
17602 (*tbit_or_2): Ditto.
17603 (*tbit_or_3): Ditto.
17604 (*bit_zero): Ditto.
17607 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
17610 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
17612 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
17614 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
17615 loop_optimizer_init and loop_optimizer_finalize
17616 * tree-ssa-sink.c (execute_sink_code): Ditto.
17617 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
17618 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
17619 tree_ssa_loop_done): Ditto.
17620 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
17621 * sched-ebb.c: Include output.h.
17622 (schedule_ebbs): Do not use dump argument.
17623 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
17624 * loop.c (loop_dump_stream): Removed.
17625 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
17627 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
17628 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
17629 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
17630 loop_iterations, strength_reduce, record_biv, record_giv,
17631 final_giv_value, check_final_value, check_ext_dependent_givs,
17632 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
17633 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
17634 dump_file instead of loop_dump_stream.
17635 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
17636 argument dump_file.
17637 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
17639 * flow.c (life_analysis, rest_of_handle_life): Ditto.
17640 * haifa-sched.c: Include output.h
17641 (schedule_insns, sched_init): Do not use dump argument.
17642 * mode-switching.c (optimize_mode_switching): Ditto.
17643 * modulo-sched.c (stats_file): Removed.
17644 (print_node_sched_params): Do not call argument dump_file.
17645 (sms_schedule_by_order, loop_canon_p, sms_schedule,
17646 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
17648 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
17650 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
17651 rtl_loop_init, rtl_loop_done): Ditto.
17652 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
17653 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
17655 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
17656 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
17657 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
17658 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
17659 * emit-rtl.c (renumber_insns): Ditto.
17660 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
17661 expand_gimple_basic_block, tree_expand_cfg): Ditto.
17662 * regclass.c (regclass): Ditto.
17663 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
17664 remove_ssa_form, rewrite_out_of_ssa): Ditto.
17665 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
17666 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
17668 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
17669 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
17671 * gcse.c (gcse_file, debug_stderr): Removed.
17672 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
17673 rest_of_handle_gcse): Do not use dump argument.
17674 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
17675 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
17676 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
17677 compute_code_hoist_vbeinout, compute_code_hoist_data,
17678 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
17679 compute_store_table, build_store_vectors, insert_insn_start_bb,
17680 insert_store, remove_reachable_equiv_notes, replace_store_insn,
17681 store_motion): Use dump_file instead of gcse_file.
17682 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
17683 * profile.c (profile_dump_file): Removed.
17684 (branch_prob): Use dump_file instead of profile_dump_file.
17685 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
17687 * tree-ssa-copy.c (dump_copy_of): Ditto.
17688 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
17689 dump file to life_analysis.
17690 * bt-load.c (branch_target_load_optimize): Ditto.
17691 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
17693 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
17694 regclass, dbr_schedule): Declaration changed.
17695 * sched-int.h (sched_init): Declaration changed.
17696 * tree-profile.c (tree_profile_dump_file): Removed.
17697 (tree_profile_hooks): Removed profile_dump_file hook.
17698 * rtl-profile (rtl_profile_dump_file): Removed.
17699 (rtl_profile_hooks): emoved profile_dump_file hook.
17700 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
17702 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
17703 * tree-cfg.c (build_tree_cfg): Ditto.
17704 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
17705 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
17706 Declaration changed.
17707 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
17708 life_analysis and schedule_insns.
17709 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
17711 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
17713 * config/mips/mips.c (mips_reorg): Ditto.
17714 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
17717 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
17719 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17720 (s390_mangle_fundamental_type): New.
17721 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17724 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17725 (alpha_mangle_fundamental_type): New.
17726 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17729 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17731 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17733 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17734 (sparc_mangle_fundamental_type): New.
17736 2006-02-06 Jakub Jelinek <jakub@redhat.com>
17738 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
17739 (s390x-*-linux*): Likewise.
17740 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
17741 * config/s390/t-linux: New file.
17743 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
17745 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
17746 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
17748 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
17750 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
17751 (ANTIC_SAFE_LOADS): New macro.
17752 (find_or_generate_expression): Add prototype.
17753 (set_contains_value): Allow null set for sake of not always having
17754 to allocate ANTIC_SAFE_LOADS.
17755 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
17756 Allow COMPONENT_REF too.
17757 (valid_in_set): Allow COMPONENT_REF.
17758 Check ANTIC_SAFE_LOADS too.
17759 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
17760 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
17762 (can_PRE_operation): Add COMPONENT_REF.
17763 (create_component_ref_by_pieces): New function.
17764 (create_expression_by_pieces): Use create_component_ref_by_pieces.
17765 (insert_aux): Move AGGREGATE_TYPE_P check here.
17766 (compute_avail): Set bb local stmt uids.
17767 (pass_pre): Use TODO_update_ssa_only_virtuals.
17769 2006-02-06 Ben Elliston <bje@au.ibm.com>
17771 * configure.ac: Unconditionally disable decimal float by default.
17772 * configure: Regenerate.
17774 2006-02-06 Ben Elliston <bje@au.ibm.com>
17776 * read-rtl.c (read_name): Terminate reading on EOF.
17778 2006-02-06 Ben Elliston <bje@au.ibm.com>
17780 * dfp.c (decimal_real_arithmetic): Change second argument type
17781 from int to enum tree_code. Do not always return true, but now
17782 return result of any call to decimal_do helper functions.
17783 * dfp.h (decimal_real_arithmetic): Update prototype.
17785 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
17787 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
17789 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
17792 * tree-cfg.c (cleanup_dead_labels): Also don't remove
17795 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
17797 * tree-vrp.c (cfg_loops): Removed.
17798 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
17799 Use current_loops instead of cfg_loops. Pass flags to
17800 loop_optimizer_init.
17801 * cfgloopmanip.c (fix_loop_structure): Update only available
17803 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
17804 loop_optimizer_init.
17805 * modulo-sched.c (build_loops_structure): Removed.
17806 (sms_schedule): Use loop_optimizer_init.
17807 * loop-init.c (loop_optimizer_init): Use flags to determine
17808 which properties of loops to prepare.
17809 (rtl_loop_init): Pass flags to loop_optimizer_init.
17810 * tree-ssa-sink.c (execute_sink_code): Ditto.
17811 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
17812 * tree-ssa-pre.c (init_pre): Ditto.
17813 * cfgloop.h (LOOPS_NORMAL): New.
17814 (loop_optimizer_init): Declaration changed.
17816 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17818 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
17819 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
17821 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
17823 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
17825 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
17826 * pa/t-pa64: Delete quadlib.c rule.
17827 * pa/x-ada: Revert last change.
17828 * pa/t-pa: Revert last change. Delete quadlib.c rule.
17830 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
17832 PR rtl-optimization/26087
17833 * rtlanal.c (canonicalize_condition): Do not cross basic block
17836 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
17839 * config/ia64/ia64.c: Include debug.h.
17840 (MAX_ARTIFICIAL_LABEL_BYTES): New.
17841 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
17842 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
17843 (process_epilogue, process_set, process_for_unwind_directive):
17844 Output unwind info only if requested. Add CFA info if requested.
17845 Add new arguments as needed. Adjust callers.
17846 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
17848 (DWARF2_FRAME_INFO): Define to zero.
17849 * config/ia64/unwind-ia64.c: Remove code that compensated for
17850 the CFA offset error fixed above.
17851 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
17852 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
17853 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
17854 -funwind-tables and -fexceptions to enable frame info.
17855 (dwarf2out_frame_init): Define initial CFA even if
17856 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
17857 DWARF2_UNWIND_INFO is nonzero, not just defined.
17858 (dwarf2out_frame_finish): Output non-EH call frame info only
17859 if DWARF2_FRAME_INFO is nonzero.
17860 (convert_cfa_to_loc_list,
17861 compute_frame_pointer_to_cfa_displacement): Define even if
17862 unwind info is not supported.
17863 (gen_subprogram_die): Use the above unconditionally. Remove
17864 legacy alternate code.
17865 * toplev.c (compile_file): Compile in call to
17866 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
17867 (lang_dependent_init): Ditto for dwarf2out_frame_init.
17869 2006-02-04 David Edelsohn <edelsohn@gnu.org>
17870 Jakub Jelinek <jakub@redhat.com>
17872 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
17873 IBM extended float format long double as "g" on powerpc*-linux.
17875 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17878 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
17879 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
17881 2006-02-03 Jason Merrill <jason@redhat.com>
17884 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
17886 PR middle-end/25977
17887 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
17888 on the return slot if it's an NRV.
17890 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
17892 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
17893 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
17894 rewrite_use): Do not handle USE_OUTER.
17895 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
17896 add_iv_outer_candidates, may_replace_final_value,
17897 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
17898 (find_interesting_uses_op): Functionality of
17899 find_interesting_uses_outer_or_nonlin moved here.
17900 (find_interesting_uses_outside): Use find_interesting_uses_op.
17902 2006-02-03 Alan Modra <amodra@bigpond.net.au>
17905 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
17907 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
17908 Ulrich Weigand <uweigand@de.ibm.com>
17911 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
17912 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
17913 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
17914 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
17916 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
17917 (s390_rtx_costs): Use the new fields to calculate rtx costs.
17918 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
17919 Define secondary reloads for TFmode moves.
17920 (constant_modes): Add TFmode.
17921 (NR_C_MODES): Set to 8.
17922 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
17924 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
17925 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
17926 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
17927 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
17928 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
17929 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
17930 (FPR mode macro): Add TFmode.
17931 (DSF mode macro): New.
17932 (<de>, <dee> mode attributes): Removed.
17933 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
17934 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
17935 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
17936 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
17937 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
17938 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
17939 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
17940 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
17941 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
17942 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
17943 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
17944 "*negabs<mode>2", "sqrt<mode>2"):
17945 Changed <de> to <xde>. R constraint replaced by <Rf>.
17946 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
17948 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
17949 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
17950 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
17952 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
17953 "extenddftf2", "extendsftf2"): New expanders.
17954 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
17955 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
17956 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
17957 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
17959 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
17960 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
17961 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
17962 __floatditf): Add a GCC_4.1.0 symbol version tag.
17963 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
17966 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
17969 * config/i386/i386.c (ix86_function_ok_for_sibcall):
17970 Use targetm.binds_local_p instead of TREE_PUBLIC.
17972 2006-02-02 Roger Sayle <roger@eyesopen.com>
17974 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
17975 on INTEGER_TYPEs to indicate that it denotes a character type.
17976 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
17977 signed_char_type_node, unsigned_char_type_node and char_type_node.
17978 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
17979 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
17980 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
17982 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
17983 Daniel Berlin <dberlin@dberlin.org>
17985 * tree-tailcall.c (arg_needs_copy_p): New function.
17986 (eliminate_tail_call): Use arg_needs_copy_p.
17987 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
17988 (add_virtual_phis): New function.
17990 2006-02-02 Jakub Jelinek <jakub@redhat.com>
17992 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
17993 #ignore instead of #scratch for %g7 .register directive.
17995 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
17997 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
18000 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
18002 * flow.c (calculate_global_regs_live): Assert that there aren't any
18005 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
18007 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
18008 what its name says.
18009 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
18010 bsi_after_labels iterator.
18011 * tree-if-conv.c (find_phi_replacement_condition,
18012 replace_phi_with_cond_modify_expr): Likewise.
18013 * tree-scalar-evolution.c (scev_const_prop): Likewise.
18014 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
18016 2006-02-02 Diego Novillo <dnovillo@redhat.com>
18018 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
18020 2006-02-02 Diego Novillo <dnovillo@redhat.com>
18023 * tree-cfg.c (move_block_to_fn): Clear out the basic block
18024 array after growing it.
18026 2006-02-01 Steve Ellcey <sje@cup.hp.com>
18028 PR middle-end/24901
18029 * fold-const.c (fold_checksum_tree): Change type of buf.
18031 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
18033 * reload.c (push_secondary_reload): Initialize t_icode.
18035 2006-02-01 Jakub Jelinek <jakub@redhat.com>
18037 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
18038 -msoft-float -mlong-double-128 only issue a warning, but don't
18039 swich to DFmode long double.
18041 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
18043 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
18044 has a constant equivalent, iterate over equivalents for arg0,
18045 calling simplify_relational_operation and if there's a result
18046 cheaper than X, apply fold_rtx and return the result.
18048 2006-02-01 Jan Hubicka <jh@suse.cz>
18050 * opts.c (no_unit_at_a_time_default): New global variable.
18051 (decode_options): Use it.
18052 * opts.h (no_unit_at_a_time_default): Declare.
18054 2006-02-01 Paul Brook <paul@codesourcery.com>
18056 * function.c (assign_parm_setup_reg): Use function argument promotion
18058 * expr.c (expand_expr_real_1): Use function argument promotion rules
18061 2006-02-01 Steve Ellcey <sje@cup.hp.com>
18063 * gcc.c (process_command): Change j to 'unsigned int'.
18065 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
18067 PR middle-end/26001
18068 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
18069 Use the corrected index for the character
18070 out of the string constant.
18072 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
18074 * mode-switching.c (optimize_mode_switching): Fix size
18075 allocated for bb_info[n_entities].
18077 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
18079 * gcc.c (main): Correct type that is allocated for
18080 explicit_link_files.
18082 2006-01-31 Jakub Jelinek <jakub@redhat.com>
18084 * config/s390/s390.c (init_alignment_context): Set
18085 ALIAS_SET_MEMORY_BARRIER on the MEM.
18086 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
18088 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
18090 PR middle-end/25933
18091 * loop-unroll.c (unroll_loop_runtime_iterations): Free
18093 * tree-ssa-live.c (type_var_init): Allocate bitmap after
18096 2006-01-31 Marcin Dalecki <martin@dalecki.de>
18098 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
18099 * regrename.c: Ditto.
18100 * tree-ssa-loop-im.c: Ditto.
18101 * tree-dump.c: Ditto.
18102 * tree-complex.c: Ditto.
18103 * genrecog.c: Ditto.
18104 * tree-ssa-threadupdate.c: Ditto.
18106 * java/class.c: Ditto.
18107 * java/jcf-parse.c: Ditto.
18108 * java/resource.c: Ditto.
18109 * java/except.c: Ditto.
18110 * java/jvspec.c: Ditto.
18111 * java/jcf-write.c: Ditto.
18112 * java/jcf-path.c: Ditto.
18113 * java/gjavah.c: Ditto.
18114 * java/zextract.c: Ditto.
18115 * java/jcf-io.c: Ditto.
18116 * java/jcf.h: Ditto.
18117 * java/buffer.c: Ditto.
18118 * java/lang.c: Ditto.
18119 * java/parse-scan.y: Ditto.
18120 * java/lex.c: Ditto.
18121 * java/lex.h: Ditto.
18122 * cfgloopmanip.c: Ditto.
18123 * postreload-gcse.c: Ditto.
18124 * tree-ssa-loop-manip.c: Ditto.
18125 * postreload.c: Ditto.
18126 * tree-ssa-loop-ch.c: Ditto.
18129 * cppspec.c: Ditto.
18130 * diagnostic.c: Ditto.
18132 * genoutput.c: Ditto.
18134 * cfghooks.c: Ditto.
18135 * cfgloopanal.c: Ditto.
18136 * objc/objc-act.c: Ditto.
18138 * genextract.c: Ditto.
18139 * genautomata.c: Ditto.
18140 * pretty-print.c: Ditto.
18141 * genemit.c: Ditto.
18142 * cgraphunit.c: Ditto.
18144 * df-scan.c: Ditto.
18145 * haifa-sched.c: Ditto.
18146 * dominance.c: Ditto.
18148 * tree-ssa-loop-ivopts.c: Ditto.
18149 * df-core.c: Ditto.
18150 * mode-switching.c: Ditto.
18151 * modulo-sched.c: Ditto.
18153 * ipa-pure-const.c: Ditto.
18155 * fix-header.c: Ditto.
18157 * tree-stdarg.c: Ditto.
18158 * ipa-utils.c: Ditto.
18159 * loop-init.c: Ditto.
18160 * ipa-inline.c: Ditto.
18161 * cfganal.c: Ditto.
18163 * alloc-pool.c: Ditto.
18164 * dwarf2out.c: Ditto.
18166 * genattrtab.c: Ditto.
18167 * tree-ssa-loop-ivcanon.c: Ditto.
18168 * predict.c: Ditto.
18169 * timevar.c: Ditto.
18171 * fortran/gfortranspec.c: Ditto.
18172 * regmove.c: Ditto.
18173 * local-alloc.c: Ditto.
18174 * langhooks.c: Ditto.
18175 * function.c: Ditto.
18176 * tree-vectorizer.c: Ditto.
18178 * ipa-type-escape.c: Ditto.
18180 * tree-if-conv.c: Ditto.
18181 * profile.c: Ditto.
18183 * tree-data-ref.c: Ditto.
18184 * loop-unroll.c: Ditto.
18185 * treelang/treetree.c: Ditto.
18187 * bt-load.c: Ditto.
18188 * ggc-common.c: Ditto.
18190 * coverage.c: Ditto.
18192 * tree-cfgcleanup.c: Ditto.
18193 * tree-ssa-pre.c: Ditto.
18194 * cfgcleanup.c: Ditto.
18195 * loop-invariant.c: Ditto.
18196 * loop-iv.c: Ditto.
18197 * ipa-prop.c: Ditto.
18198 * print-tree.c: Ditto.
18199 * conflict.c: Ditto.
18200 * ggc-page.c: Ditto.
18201 * sched-deps.c: Ditto.
18202 * regclass.c: Ditto.
18203 * tree-object-size.c: Ditto.
18204 * combine.c: Ditto.
18205 * bb-reorder.c: Ditto.
18206 * resource.c: Ditto.
18207 * var-tracking.c: Ditto.
18208 * cfgloop.c: Ditto.
18209 * df-problems.c: Ditto.
18210 * reg-stack.c: Ditto.
18212 * gccspec.c: Ditto.
18213 * sched-rgn.c: Ditto.
18214 * tree-ssa-structalias.c: Ditto.
18215 * tree-ssa-reassoc.c: Ditto.
18216 * config/darwin-c.c: Ditto.
18217 * config/darwin.c: Ditto.
18218 * config/arm/arm.c: Ditto.
18220 * collect2.c: Ditto.
18221 * reload1.c: Ditto.
18223 2006-01-31 Nicolas Pitre <nico@cam.org>
18225 * arm.md (smaxsi3): Make aware of smax_m1.
18228 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
18230 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
18232 2006-01-31 Richard Guenther <rguenther@suse.de>
18234 * doc/invoke.texi (-msselibm): Document.
18235 * target.h (expand_library_builtin): New target hook.
18236 * builtins.c (expand_builtin): Use expand_library_builtin.
18237 (default_expand_library_builtin): New function.
18238 * gcc.c (LINK_GCC_MATH_SPEC): Define.
18239 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
18240 (link_gcc_math_spec): Declare.
18241 (static_specs): Add link_gcc_math_spec.
18242 * expr.h (default_expand_library_builtin): Declare.
18243 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
18244 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
18245 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
18246 * config/i386/i386.opt (msselibm): New target option.
18247 * config/i386/i386.c (ix86_builtin_function_variants): New array.
18248 (ix86_init_sse_abi_builtins): New function.
18249 (ix86_expand_library_builtin): Likewise.
18250 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
18251 (override_options): Handle error conditions wrt -msselibm.
18252 (ix86_builtins): Add function codes for SSE2 ABI builtins.
18253 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
18254 * doc/extend.texi (__builtin_sse2_*): Document new target specific
18257 2006-01-31 Richard Guenther <rguenther@suse.de>
18258 Paolo Bonzini <bonzini@gnu.org>
18260 * doc/install.texi (--disable-libgcc-math): Document.
18262 2006-01-30 Marcin Dalecki <martin@dalecki.de>
18264 * expr.h (expand_normal): new inline function.
18265 * builtins.c: use it, use EXPAND_NORMAL explicitely.
18266 * dojump.c: use it.
18267 * dwarf2out.c: use it.
18270 * expmed.c: use it.
18271 * except.c: use it.
18272 * config/sparc/sparc.c: use it.
18273 * config/i386/i386.c: use it.
18274 * config/rs6000/rs6000.c: use it.
18275 * config/arm/arm.c: use it.
18276 * config/mips/mips.c: use it.
18277 * stmt.c: use it, use EXPAND_NORMAL explicitely.
18279 2006-01-30 Roger Sayle <roger@eyesopen.com>
18281 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
18282 argv to the appropriate type.
18284 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
18286 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
18289 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
18292 * config/s390/s390.c (struct machine_function): New flag
18293 decomposed_literal_pool_addresses_ok_p.
18294 (s390_reorg): Set it before final stage of literal pool transforms.
18295 (s390_decompose_address): Only accept displacements of the form
18296 (minus (label_ref ...) (label_ref ...)) if that flag is set.
18298 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
18300 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
18301 the comparison routine return.
18303 2006-01-30 Michael Matz <matz@suse.de>
18305 * global.c (find_reg): Only evict for global regs.
18306 Take n_refs into account and dump more info.
18308 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
18311 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
18312 (pragma_trap, pragma_nosave_low_regs): Likewise.
18313 (current_function_anonymous_args): Likewise.
18314 (sh_deferred_function_attributes): New variable.
18315 (sh_deferred_function_attributes_tail): Likewise.
18316 (print_operand): For '@', look up trap_exit attribute.
18317 (calc_live_regs): Look up trapa_handler attribute. For trapa
18318 handlers, save/restore fpscr, but don't do any other
18319 interrupt-specific saves.
18320 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
18321 Fix check for partially saved registers to check for SHmedia.
18322 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
18323 (sh_output_function_epilogue): Don't clear any of the removed
18325 (sh_insert_attributes): Don't check pragma_interrupt.
18326 Insert deferred attributes. Check that interrupt attribute is
18327 present for other attributes that require its presence.
18328 (sh_attribute_table): Add new attributes trapa_handler and
18330 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
18331 Don't check for pragma_interrupt. Don't store argument.
18332 * sh.h (pragma_interrupt, sp_switch): Don't declare.
18333 (sh_deferred_function_attributes): Declare.
18334 (sh_deferred_function_attributes_tail): Likewise.
18335 * sh.md (sp_switch_1): Add operand. Change generator caller.
18336 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
18337 (*return_i): Don't use when trap_exit attribute is in effect.
18338 (*return_trapa): New insn pattern.
18339 * sh-c.c: New file.
18340 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
18341 setting c_target_objs and cxx_target_objs.
18342 * t-sh: Add rule for sh-c.o.
18344 2006-01-30 Richard Guenther <rguenther@suse.de>
18347 * gimplify.c (gimplify_target_expr): Handle easy cases
18348 without creating a temporary.
18350 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
18352 * vec.h (safe_grow): Remove duplicated line.
18354 2006-01-29 Diego Novillo <dnovillo@redhat.com>
18357 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
18358 (expand_omp): ... here.
18359 (expand_omp_parallel): Only remove barriers for combined
18360 parallel+workshare constructs.
18362 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
18366 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
18367 * tree.c (build_qualified_type): Chain the new type to the original
18368 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
18369 a POINTER_TYPE or a REFERENCE_TYPE respectively.
18370 (build_pointer_type_for_mode): Only return unqualified types.
18371 (build_reference_type_for_mode): Likewise.
18373 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
18375 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
18376 * Makefile.in (CXX_COMPAT_WARN): Define.
18377 * configure: Regenerate.
18379 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
18382 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
18385 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18387 * toplev.c: Fix thinko.
18389 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18390 Marcin Dalecki <martin@dalecki.de>
18392 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
18393 (push_srcloc): Use XNEW.
18394 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
18396 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
18398 * df-core.c (df_set_blocks): Deleted all variable.
18400 2006-01-28 Ian Lance Taylor <ian@airs.com>
18402 * cgraphunit.c (cgraph_assemble_pending_functions): Call
18403 cgraph_output_pending_asms.
18405 2006-01-28 Zack Weinberg <zackw@panix.com>
18407 * c.opt: Add -W(no-)overlength-strings.
18408 * doc/invoke.texi: Document it.
18409 * c-opts.c (c_common_handle_option): -pedantic implies
18410 -Woverlength-strings, if not explicitly disabled already.
18411 (c_common_post_options): -Woverlength-strings defaults to off, and
18412 is always off for C++.
18413 * c-common.c (fix_string_type): Issue warning about strings longer
18414 than is portable only if warn_overlength_strings. Rearrange code
18415 a little for clarity.
18416 * configure.in: Check for -Wno-overlength-strings as well before
18417 enabling -pedantic in stage 1.
18418 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
18419 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
18421 * genconditions.c (write_header, write_one_condition)
18422 (write_conditions, write_writer): Consolidate very long strings
18423 that were broken up to fit in C89 portable limit. Don't use
18424 printf when fputs will do.
18426 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
18428 * combine.c (simplify_comparison <AND>): Check
18429 TRULY_NOOP_TRUNCATION before start using a subreg.
18431 * config/mips/mips.md (*branch_zero<mode>,
18432 *branch_zero<mode>_inverted, *branch_equality<mode>,
18433 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
18434 Remove mode check from comparisons.
18436 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
18438 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
18440 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18442 * expmed.c (const_mult_add_overflow_p): Remove.
18443 * expr.h: Remove the prototype for const_mult_add_overflow_p.
18445 * recog.c (validate_replace_rtx_subexp): Remove.
18446 * recog.h: Remove the prototype for
18447 validate_replace_rtx_subexp.
18449 * integrate.h: Remove the prototype for
18450 copy_decl_for_inlining.
18451 * rtl.h: Remove the prototype for mark_constant_function.
18452 * tree-vectorizer.h: Remove the prototype for
18453 vect_strip_conversion.
18455 * modulo-sched.c (create_partial_schedule,
18456 free_partial_schedule, reset_partial_schedule): Make them
18459 * hooks.c (hook_bool_rtx_int_false): Remove.
18460 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
18462 2006-01-28 David Edelsohn <edelsohn@gnu.org>
18464 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18465 and -mlong-double-128 are incompatible.
18466 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
18467 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
18468 (TARGET_LIBGCC2_CFLAGS): Define.
18469 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
18470 (TARGET_LIBGCC2_CFLAGS): Same.
18471 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
18473 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18476 * c-typeck.c (build_binary_op): Perform implicit casts of
18477 operands before shortening them.
18479 * cfgloopmanip.c (split_loop_bb): Remove.
18480 * cfgloop.h: Remove the prototype for split_loop_bb.
18482 * cfgloop.c (flow_loop_outside_edge_p): Remove.
18483 * cfgloop.h: Remove the prototype for
18484 flow_loop_outside_edge_p.
18486 * emit-rtl.c (init_virtual_regs): Make it static.
18487 * function.h: Remove the prototype for init_virtual_regs.
18489 * recog.c (peephole2_optimize): Make it static.
18490 * recog.h: Remove the prototype for peephole2_optimize.
18492 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18494 * df-scan.c (df_record_entry_block_defs): Check if
18495 INCOMING_RETURN_ADDR_RTX is defined.
18497 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
18498 Kenneth Zadeck <zadeck@naturalbridge.com>
18500 PR rtl-optimization/24762
18501 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18502 * targhooks.c (hook_void_bitmap): New hook prototype.
18503 * targhoohs.h (hook_void_bitmap): Ditto.
18504 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
18505 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
18506 * target.h (live_on_entry): New function pointer.
18507 * df-scan.c (df_all_hard_regs): Removed.
18508 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
18509 (df_scan_free_internal): Added df->entry_block_defs.
18510 (df_scan_alloc): Ditto.
18511 (df_scan_dump): Ditto.
18512 (df_uses_record): Plumbed flag field properly thru calls.
18513 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
18514 This part fixes PR24762.
18515 (df_bb_refs_record): Added code to make the frame and arg
18516 pointers live in EH blocks.
18517 (df_refs_record): Added call to df_record_entry_block_defs.
18518 (df_record_entry_block_defs): New function.
18519 * df-core.c: Added comments to describe new artifical defs.
18520 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
18521 (entry_block_defs): New field in struct df.
18522 (df_all_hard_regs): Deleted.
18523 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18524 * df-problems.c (df_ru_bb_local_compute_process_def):
18525 Added code to handle artifical defs in the entry to a function.
18526 (df_ru_bb_local_compute): Ditto.
18527 (df_rd_bb_local_compute_process_def): Ditto.
18528 (df_rd_bb_local_compute): Ditto.
18529 (df_lr_bb_local_compute): Ditto.
18530 (df_ur_bb_local_compute): Ditto.
18531 (df_urec_bb_local_compute): Ditto.
18532 (df_chain_create_bb): Ditto.
18533 (df_ur_local_finalize): Removed entry.
18534 (df_urec_init): Ditto.
18535 (df_urec_local_finalize): Ditto.
18536 (df_ri_bb_compute): Added detection of last use of pseudos.
18537 * Makefile.in (df-scan.o): Updated dependencies.
18538 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
18539 * config/mips/mips.c (mips_set_live_on_entry): Added.
18540 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
18542 * dce.c (marked_insn_p): Added code to handle artifical defs.
18544 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18546 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
18548 (_mm_cvtsi128_si64): Likewise.
18549 (_mm_cvtsd_si64): Likewise.
18550 (_mm_cvttsd_si64): Likewise.
18551 (_mm_cvtsi64_sd): Likewise.
18552 (_mm_cvtsi64_si128): Likewise.
18553 * config/i386/mmintrin.h (_m_from_int64): Likewise.
18554 (_mm_cvtsi64_m64): Likewise.
18555 (_m_to_int64): Likewise.
18556 (_mm_cvtm64_si64): Likewise.
18557 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
18558 (_mm_cvttss_si64): Likewise.
18559 (_mm_cvtsi64_ss): Likewise.
18560 (_mm_cvtss_f32): Likewise.
18562 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
18564 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
18565 for pragma redefine_extname.
18567 2006-01-27 Jakub Jelinek <jakub@redhat.com>
18570 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
18571 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
18572 -mno-minimal-toc to previous content.
18573 (bispecs): Remove goal.
18574 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
18575 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
18576 compatibility aliases on powerpc-*-*gnu*.
18577 * config/rs6000/libgcc-ppc-glibc.ver: New file.
18578 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
18579 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
18580 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
18581 (ldblspecs): New goal.
18582 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
18583 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
18585 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
18586 L_sf_to_tf or L_df_to_tf is defined.
18588 2006-01-27 David Edelsohn <edelsohn@gnu.org>
18589 Alan Modra <amodra@bigpond.net.au>
18592 * config/rs6000/linux.h (POWERPC_LINUX): Define.
18593 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
18594 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
18595 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
18596 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
18597 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
18598 (rs6000_override_options): Initialize rs6000_ieeequad.
18599 Initialize TFmode format to ibm_extended_format if not
18601 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
18603 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
18604 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
18605 (function_arg_advance): IBM long double passed in two FPRs, not
18607 (function_arg): IBM long double passed in FPRs.
18608 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
18609 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
18610 Only multireg GPR aligned.
18611 (rs6000_init_libfuncs): Enable IBM long double functions if not
18613 (rs6000_generate_compare): Use IBM long double compare if not
18615 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
18616 (TARGET_IEEEQUAD): Define.
18617 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
18618 not TARGET_IEEEQUAD.
18619 * config/rs6000/rs6000.md: Enable TFmode patterns if
18621 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
18622 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18623 and -mlong-double-128 are incompatible.
18624 * doc/invoke.texi (-mabi): Collect options together. Add
18625 ibmlongdouble and ieeelongdouble.
18627 2006-01-27 Richard Sandiford <richard@codesourcery.com>
18629 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
18631 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
18632 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
18633 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
18634 * rtl.h (rtunion_def): Remove rt_ptr.
18636 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
18637 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
18638 * config/i386/winnt.c (i386_pe_mark_dllexport)
18639 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
18641 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
18643 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
18645 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18649 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
18650 pthread_key_delete. From John David Anglin. gthrw-ify
18651 pthread_getunique_np only if it it's not a macro. Delete
18653 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
18654 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
18655 __gthread_objc_condition_signal, __gthread_key_delete): Add
18656 "__attribute__ ((__unused__))" to unused arguments.
18657 (__gthread_recursive_mutex_init_function): Add missing return.
18658 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
18659 gthr-posix95.h: Use macro-based approach for name redirection
18660 on targets missing weakref.
18662 2006-01-26 Zack Weinberg <zackw@panix.com>
18664 * genconditions.c (write_header): In generated code, #ifdef out
18665 all includes and fake declarations, except includes of bconfig.h
18666 and system.h, unless GCC_VERSION >= 3001. Do not include
18667 gensupport.h in any case.
18668 (write_conditions): Generate a definition of struct c_test. Add
18669 a comment to the generated #endif.
18670 (write_one_condition): Escape backslashes in string too.
18671 (write_writer): Generated code must escape backslashes and quote
18672 marks (but not newlines) in the strings it writes.
18673 * Makefile.in (build/gencondmd.o): Update dependencies.
18675 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18678 * Makefile.in (insn-automata.o): Add header file dependencies.
18679 * genautomata.c: Add includes.
18681 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18684 * Makefile.in (insn-automata.o): Add -Wno-error flag.
18686 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18688 * configure.ac: Expect target tools paths to be passed from the toplevel
18689 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
18691 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
18693 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18696 * c.opt (Wpointer-sign): Init to -1.
18697 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
18698 OPT_pedantic, to 0 otherwise.
18699 * doc/invoke.texi: Update.
18701 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18703 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
18704 constants provided by 80387 instructions in the destination mode.
18706 2006-01-26 Richard Guenther <rguenther@suse.de>
18707 Andrew Pinski <pinskia@physics.uc.edu>
18710 partial PR tree-opt/17064
18711 * tree-ssa-structalias.c (intra_create_variable_infos):
18712 Create heap variables for incoming parameters if
18713 flag_argument_noalias > 1.
18714 (find_what_p_points_to): Look through default defs of
18717 2006-01-26 Jeff Law <law@redhat.com>
18720 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
18721 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
18722 within the VR_RANGE, use the VR_RANGE as the result, not the
18724 (adjust_range_with_scev): Reject ranges from SCEV which are out of
18725 bounds for the type.
18727 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
18729 * tree-ssa-alias.c (maybe_create_global_var): Change
18730 subvar walking to an assertion that we don't have subvar'd variables.
18732 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
18735 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
18736 Use a new variable, inner. PARM_DECLs are always non-weak.
18738 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
18740 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
18741 --disable-checking.
18743 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
18745 * config/mips/mips.md (*clear_upper32): New combiner pattern.
18747 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
18749 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
18750 (smax_insn, smin_insn, smax_0, smin_0): New.
18752 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
18755 * config/cris/cris.c (cris_order_for_addsi3): New function.
18756 * config/cris/cris-protos.h: Prototype it.
18757 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
18758 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
18759 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
18760 (split for "op.S1 [rx=rx+i],ry (swapped)")
18761 (split for "op(s|u).S1 [rx=rx+i],ry")
18762 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
18763 Apply cris_order_for_addsi3 when generating addsi3 insns.
18765 2006-01-25 Diego Novillo <dnovillo@redhat.com>
18767 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
18768 (TREE_BLOCK): Add call to EXPR_CHECK.
18770 2006-01-25 Diego Novillo <dnovillo@redhat.com>
18773 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
18774 * tree-pretty-print.c (dump_omp_clause): Extract from ...
18775 (dump_omp_clauses): ... here.
18776 (dump_generic_node): Handle OMP_CLAUSE.
18777 * tree.c (omp_clause_num_ops): New.
18778 (omp_clause_code_name): New.
18779 (tree_code_size): Handle OMP_CLAUSE.
18780 (tree_size): Likewise.
18781 (make_node): Document handling of OMP_CLAUSE.
18782 (tree_node_structure): Handle OMP_CLAUSE.
18783 (omp_clause_check_failed): New.
18784 (omp_clause_range_check_failed): New.
18785 (omp_clause_operand_check_failed): New.
18786 (build_omp_clause): New.
18787 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
18788 * tree.h (enum omp_clause_code): Declare.
18789 (OMP_CLAUSE_SUBCODE_CHECK): Define.
18790 (OMP_CLAUSE_RANGE_CHECK): Define.
18791 (OMP_CLAUSE_ELT_CHECK): Define.
18792 (omp_clause_check_failed): Declare.
18793 (omp_clause_operand_check_failed): Declare.
18794 (omp_clause_range_check_failed): Declare.
18795 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
18796 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
18797 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
18798 (OMP_CLAUSE_LASTPRIVATE): Likewise.
18799 (OMP_CLAUSE_IF_EXPR): Likewise.
18800 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
18801 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
18802 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
18803 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
18804 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
18805 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
18806 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
18807 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
18808 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
18809 (OMP_CLAUSE_CODE): Define.
18810 (OMP_CLAUSE_SET_CODE): Define.
18811 (OMP_CLAUSE_CODE): Define.
18812 (OMP_CLAUSE_OPERAND): Define.
18813 (struct tree_omp_clause): Declare.
18814 (union tree_node): Add field 'omp_clause'.
18815 * treestruct.def (TS_OMP_CLAUSE): Define.
18816 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
18817 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
18818 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
18819 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
18820 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
18821 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
18822 (OMP_CLAUSE): Define.
18823 * print-tree.c (print_node): Handle OMP_CLAUSE.
18824 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
18825 * c-typeck.c: Likewise.
18826 * gimplify.c: Likewise.
18827 * c-omp.c: Likewise.
18828 * tree-nested.c: Likewise.
18829 * tree-inline.c: Likewise.
18830 * c-parser.c: Likewise.
18831 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
18834 2006-01-25 Roger Sayle <roger@eyesopen.com>
18836 PR rtl-optimization/25703
18837 * combine.c (try_combine): Handle zero_extract and strict_low_part
18838 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
18840 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
18842 * global.c: Fix comment typos.
18844 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
18847 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
18848 Use output_addr_const instead of assemble_name.
18850 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
18852 * Makefile.in (sched-vis.o): Update dependencies.
18853 * haifa-sched.c (sched_finish): Clear current_sched_info.
18854 * cfg.c (dump_bb_info): New, split from dump_flow_info.
18855 (dump_flow_info): Call it.
18856 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
18858 * basic-block.h (dump_bb_info): Declare.
18859 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
18860 option, and apply options only for dump files whose TDF_RTL,
18861 TDF_TREE, or TDF_IPA bits match.
18862 * rtl.h: Declare new functions exported from sched-vis.c.
18863 * sched-vis.c: Enable also if scheduling is not used.
18864 (print_value): Print the mode of registers if not inside scheduling.
18865 (print_insn): Make it work outside the scheduler. Beautify the output
18867 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
18869 2006-01-25 Richard Sandiford <richard@codesourcery.com>
18871 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
18872 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
18873 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
18874 depending on the value of CONSTANT_POOL_ADDRESS_P.
18875 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
18877 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
18878 rather than SYMBOL_REF_DECL.
18879 (rtx_constant_pool): Remove const_rtx_sym_htab.
18880 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
18881 (init_varasm_status): Don't initialize const_rtx_sym_htab.
18882 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
18883 Remove handling of const_rtx_sym_htab.
18884 (find_pool_constant): Delete.
18885 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
18886 rather than find_pool_constant.
18887 (get_pool_constant_for_function): Delete.
18888 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
18889 find_pool_constant.
18890 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
18891 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
18892 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
18893 (SYMBOL_REF_CONSTANT): New macro.
18894 (get_pool_constant_for_function): Delete.
18895 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
18896 rather than SYMBOL_REF_DECL.
18897 (i386_pe_mark_dllimport): Likewise.
18898 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
18899 rather than SYMBOL_REF_DECL.
18900 * config/darwin.c (machopic_indirect_data_reference): Likewise.
18901 (machopic_indirect_call_target): Likewise.
18903 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
18905 * flow.c (delete_noop_moves): Add missing EOL to dump message.
18907 2006-01-25 Richard Sandiford <richard@codesourcery.com>
18909 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
18911 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
18913 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
18915 2006-01-24 David Daney <ddaney@avtrex.com>
18918 * configure.ac (enable_tls): New enable option.
18919 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
18920 * configure: Regenerate.
18921 * doc/install.texi (--enable-tls): Document new option.
18922 (--disable-tls): Ditto.
18924 2006-01-24 Richard Henderson <rth@redehat.com>
18926 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
18927 * alias.c (true_dependence): Respect it.
18928 (canon_true_dependence, write_dependence_p): Likewise.
18929 * builtins.c (get_builtin_sync_mem): Set it.
18931 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
18933 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
18936 2006-01-24 DJ Delorie <dj@redhat.com>
18938 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
18939 for storing constants in single-bit bitfields.
18941 2006-01-25 Ben Elliston <bje@au.ibm.com>
18943 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
18945 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
18948 * tree-ssa-pre.c (phi_translate): Return NULL
18949 for AGGREGATE_TYPE's.
18951 2006-01-24 Zack Weinberg <zackw@panix.com>
18953 * genautomata.c (process_state_for_insn_equiv_partition):
18954 Use xcalloc for insn_arcs_array.
18955 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
18956 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
18958 2006-01-24 Richard Henderson <rth@redhat.com>
18960 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
18961 update all callers.
18963 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
18965 PR rtl-optimization/25890
18966 PR rtl-optimization/25905
18967 * combine.c (expand_compound_operation, expand_field_assignment):
18968 Fail if the bitfield's final position is out of bounds.
18970 2006-01-24 Ian Lance Taylor <ian@airs.com>
18972 PR middle-end/25930
18973 * cgraphunit.c (cgraph_output_in_order): Don't clear
18974 cgraph_asm_nodes until after asm strings have been output.
18976 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
18978 * fix-header.c (read_scan_file): Add new parameter imultilib when
18979 calling register_include_chains.
18981 2006-01-23 Diego Novillo <dnovillo@redhat.com>
18983 * omp-low.c: Update documentation.
18985 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
18986 Daniel Berlin <dberlin@dberlin.org>
18990 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
18991 return from the function.
18993 2006-01-22 Zack Weinberg <zackw@panix.com>
18995 * rtl.def (match_code): Add second argument.
18996 * genpreds.c (write_extract_subexp): New function.
18997 (write_match_code): Add path argument. Use write_extract_subexp.
18998 (write_predicate_expr): Pass path to write_match_code.
18999 (mark_mode_tests): MATCH_CODE applied to a subexpression does
19000 not perform a mode test.
19001 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
19002 a subexpression does not constrain the top-level code set.
19003 * read-rtl.c (read_rtx_variadic): New function.
19004 (read_rtx_1): Use it; allow AND and IOR to be variadic.
19005 * doc/md.texi: Document new notation.
19006 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
19007 (cmpsi_operand): ... here, using new notation.
19009 2006-01-22 Zack Weinberg <zackw@panix.com>
19011 * varray.c: Remove GENERATOR_FILE #ifdefs.
19013 2006-01-22 Zack Weinberg <zackw@panix.com>
19015 * genautomata.c (output_reserved_units_table): Emit nothing if
19016 description->query_units_num is zero. Remove extra blank line.
19017 (output_cpu_unit_reservation_p): Short circuit
19018 if description->query_units_num is zero.
19020 2006-01-22 Zack Weinberg <zackw@panix.com>
19022 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
19023 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
19024 nor any of the random handful of variables that used to be necessary
19025 when this program was linked with rtlanal.o. Prune set of forward
19026 function declarations.
19027 (struct attr_desc): Remove static_p field.
19028 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
19029 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
19030 (attr_string): Do not read the character one past the length of
19032 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
19033 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
19034 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
19035 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
19036 (make_automaton_attrs): New.
19037 (main): Do not call into genautomata. Call local gen_bypass
19038 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
19039 Remove special case for insn_alts.
19040 * genautomata.c: Include gensupport.h; not genattrtab.h nor
19041 varray.h (leftover from previous change). Prune set of forward
19042 function declarations. Remove state_alts fields from all
19043 structures. Remove state_alts_table from struct automaton.
19044 Make everything except main static. Do not maintain num_dfa_decls.
19045 Do not maintain state_alts fields of various structures.
19046 (process_decls): Don't validate condexp for dm_insn_reserv decls.
19047 (add_arc): Remove state_alts argument. All callers updated.
19048 (output_reserved_units_table): Emit #ifdef here...
19049 (output_tables): ...not here. Don't generate state_alts tables.
19050 (expand_automata): Don't generate attributes.
19051 (write_automata): Don't generate state_alts functions.
19052 (main): New function.
19053 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
19054 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
19055 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
19056 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
19057 (BYPASS_P_FUNC_NAME, output_state_alts_table)
19058 (output_automata_list_state_alts_code, output_internal_state_alts_func)
19059 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
19060 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
19062 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
19063 * genattrtab.h: Delete file.
19064 * Makefile.in (OBJS-common): Add insn-automata.o.
19065 (insn-automata.o): New rule.
19066 (simple_generated_c): Add insn-automata.c.
19067 (build/genattrtab.o, build/genautomata.o): Update dependencies.
19068 (genprogmd): Add automata.
19069 (build/genattrtab): Needs no extra objects nor libraries.
19070 (build/genautomata): Needs build/vec.o and -lm.
19072 2006-01-22 Zack Weinberg <zackw@panix.com>
19074 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
19075 (output_dfa_max_issue_rate, locked_states_num): Delete.
19076 (struct automaton): Add locked_states field.
19077 (output_dead_lock_vect): Save number of locked states in
19078 automaton->locked_states. If it is zero, don't print anything.
19079 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
19080 (output_internal_dead_lock_func): Only test the dead_lock_vect
19081 for automata that have locked states.
19082 (output_statistics): Always print the number of locked states for
19083 each automaton. Calculate total number of locked states here.
19084 (write_automata): Don't call output_dfa_max_issue_rate.
19085 * genattrtab.c: Define length_unit_log as a const variable.
19086 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
19087 max_insn_queue_index const.
19088 * final.c (length_unit_log): Declare const.
19089 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
19091 2006-01-22 Zack Weinberg <zackw@panix.com>
19093 * genautomata.c: Include vec.h, not varray.h.
19094 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
19095 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
19096 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
19097 VEC_* macros operating on appropriately typed vectors, or to
19098 malloced arrays when the size is known in advance. Const-ify
19099 many char* variables and function arguments. No functional changes.
19100 * Makefile.in (build/varray.o): Delete rule.
19101 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
19102 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
19104 2006-01-22 Zack Weinberg <zackw@panix.com>
19106 * gensupport.c: Define get_insn_name and record_insn_name here.
19107 (read_md_rtx): Call record_insn_name as appropriate.
19108 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
19109 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
19110 * genpreds.c, genrecog.c: Don't define get_insn_name nor
19112 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
19113 (BUILD_VARRAY): Delete.
19114 (genprognormal): Rename genprogmd. Fold in all programs from
19115 genprognoprint; also attrtab.
19116 (build/genattrtab): Just mention genautomata.o and varray.o.
19117 Reorganize a bit, add comments to make the categories clearer.
19119 2006-01-22 Zack Weinberg <zackw@panix.com>
19121 * genconditions.c (condition_table, add_condition): Delete.
19122 (write_conditions): Don't emit n_insn_conditions nor
19123 insn_elision_unavailable. Issue the gcc version #ifdef here,
19124 inside the table, with no #else clause ...
19125 (write_header): ...not here.
19126 (write_writer): New function.
19127 (main): Don't initialize condition_table. Use add_c_test.
19129 * gensupport.c (init_md_reader_args_cb): Handle multiple input
19130 files on the command line.
19131 (maybe_eval_c_test): Don't check insn_elision_unavailable.
19132 Return -1 if there is no entry in the table, don't abort.
19133 (add_c_test, traverse_c_tests): New functions.
19134 * gensupport.h (insn_elision_unavailable, insn_conditions)
19135 (n_insn_conditions): Delete declarations.
19136 (add_c_test, traverse_c_tests): Declare.
19137 * read-rtl.c: Include gensupport.h.
19138 (read_conditions): New function.
19139 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
19140 (read_rtx_1): If we get EOF when we were looking for an initial
19141 open paren, return 0. Call read_conditions when appropriate.
19142 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
19143 dummy-conditions.o. Eliminate references to insn-conditions.o,
19144 or change them to build/gencondmd.o, as appropriate. Remove
19145 insn-constants.h from $(simple_generated_h) and insn-conditions.c
19146 from $(simple_generated_c). For all files remaining in those
19147 two lists, add insn-conditions.md to the generator command line.
19148 Give insn-constants.h/s-constants their own rules. Add rules
19149 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
19150 (build/read-rtl.o): Depend on gensupport.h.
19151 (genprognormal): Include preds.
19152 (genprogearly): Rename genprognoprint; only difference is now that
19153 they don't link with $(BUILD_PRINT).
19154 * dummy-conditions.c: Delete.
19156 2006-01-22 Zack Weinberg <zackw@panix.com>
19158 * genextract.c: Don't include insn-config.h. Do include vec.h.
19159 Declare vectors of int, char, and locstr.
19160 (locstr): New typedef.
19161 (struct extraction): Make all array fields into bare pointers.
19162 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
19163 (insn_code_number): Delete.
19164 (accum_extract): New struct.
19165 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
19166 (gen_insn): Take insn_code_number as an argument. Use an
19167 accum_extract structure instead of loading data directly into
19168 a struct extraction, and having to know how big it might get.
19169 (walk_rtx): Operate entirely on an accum_extract structure.
19170 (print_path): Avoid unnecessary use of printf.
19171 (print_header): New function, split out of main. Distinguish
19172 more carefully between an unrecognizable insn and an insn that
19173 has the code number of a define_expand.
19174 (main): Pass insn_code_number to gen_insn. Call print_header
19175 only after parsing. Avoid unnecessary use of printf.
19176 * Makefile.in (build/vec.o): New rule.
19177 (build/genextract): Depend on build/vec.o.
19178 (build/genextract.o): Don't depend on insn-config.h.
19180 2006-01-22 Zack Weinberg <zackw@panix.com>
19182 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
19183 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
19184 practical. Eliminate per-generator-program link rules.
19186 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
19188 PR middle-end/24437
19189 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
19190 with a call expr to ...
19191 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
19193 2006-01-23 Richard Guenther <rguenther@suse.de>
19195 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
19196 before make_edge with conditional EDGE_TRUE_VALUE.
19198 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
19199 Jan Hubicka <jh@suse.cz>
19200 Richard Guenther <rguenther@suse.de>
19202 PR rtl-optimization/25654
19203 * cfgexpand.c (aggregate_contains_union_type): New function.
19204 (add_alias_set_conflicts): Call it. Make sure to add conflicts
19205 for structure variables that contain a union type.
19207 2006-01-23 Richard Sandiford <richard@codesourcery.com>
19209 * gengtype.c (new_structure): Return the structure.
19210 (create_option): Add an extra "next" argument.
19211 (create_field): New function.
19212 (adjust_field_rtx_def): Use create_option and create_field.
19213 Remove a now-unnecessary call to find_structure.
19214 (adjust_field_tree_def): Likewise.
19215 (note_yacc_type): Remove an unnecessary call to find_structure.
19216 * gengtype.h (new_structure): Return the structure.
19217 (create_option): Add an extra argument.
19218 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
19219 (option): Adjust calls to create_option.
19221 2006-01-22 David Edelsohn <edelsohn@gnu.org>
19223 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
19225 2006-01-22 Paul Brook <paul@codesourcery.com>
19226 Peter Barada <peter@the-baradas.com>
19228 * config/m68k/m68k.md: Add Coldfire FPU support.
19229 Define FP mode macro and associated attributes.
19230 Use it for float mode patterns.
19231 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
19232 (LIBCALL_VALUE): Use m68k_libcall_value.
19233 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
19234 (m68k_function_value): Ditto.
19235 (emit_move_sequence): Ditto.
19236 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
19237 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
19238 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
19239 (MULTILIB_EXCEPTIONS): Ditto.
19240 * config/m68k/m68k.opt: Add mcfv4e.
19241 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
19242 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
19243 (m68k_output_function_prologue): Save ColdFire FPU registers.
19244 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
19245 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
19246 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
19247 ColdFire FPU registers.
19248 (m68k_libcall_value, m68k_function_value): New functions.
19249 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
19250 (LIBCALL_VALUE): Use m68k_libcall_value.
19251 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
19252 (MASK_COLDFIRE): Add MASK_CFV4E.
19253 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
19254 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
19255 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
19256 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
19257 (GO_IF_LEGITIMATE_ADDRESS): Use it.
19258 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
19259 * doc/invoke.tex: Document -mcfv4e on m68k.
19261 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
19263 * doc/contribute.texi: Change CVS to SVN and update the corresponding
19266 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
19269 * c-opts.c (c_common_handle_option): Don't include
19270 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
19271 * doc/invoke.texi (C++ Dialect Options): Document that
19272 -Wnon-virtual-dtor is no longer included in -Wall.
19274 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
19276 * gcov.c (print_version), gcov-dump.c (print_version),
19277 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
19280 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
19282 * df-scan.c (problem_SCAN): Added NULL reset function.
19283 (df_scan_reset_blocks): Added code to call reset block function
19284 (df_bb_refs_delete) Fixed comment.
19285 (df_insn_refs_delete): Made tolerant of deleting non existent info
19286 for dataflow problems that need to be reset.
19287 * df-core.c (df_set_blocks): Ditto.
19288 * df.h (struct df_problem): Added reset_fun.
19289 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
19290 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
19291 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
19292 functions to clear out all references to def-use or use-def chains.
19294 2006-01-21 Ben Elliston <bje@au.ibm.com>
19296 * varasm.c (assemble_real): Initialise data array.
19298 2006-01-20 Paul Brook <paul@codesourcery.com>
19300 Merge from csl-arm-branch.
19301 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
19302 * config/arm/arm.md (movdi): Force operands[1] to a register
19303 if we have a non-register source.
19304 (*arm_movdi, *movdf_soft_insn): Require that one of the
19305 operands be a register.
19306 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
19307 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
19309 2006-01-20 DJ Delorie <dj@redhat.com>
19311 * varasm.c (initializer_constant_valid_p): Allow pointers
19312 initialized from integer constants of lesser precision.
19313 (output_constant): Allow non-int-sized pointer modes to be
19314 initialized from integer constants.
19316 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
19319 * cppdefault.h (struct default_include): Add multilib flag.
19320 * cppdefault.c (cpp_include_defaults): Set it.
19321 * c.opt (-imultilib): New option.
19322 * c-opts.c (imultilib): New.
19323 (c_common_handle_option): Handle -imultilib.
19324 (c_common_post_options): Likewise.
19325 * c-incpath.c (add_standard_paths, register_include_chains):
19327 * c-incpath.h (register_include_chains): Add extra parameter.
19328 * gcc.c (do_spec_1): Generate -imultilib option.
19329 (The Specs Language): Update %I description.
19330 (process_command): Update copyright notice.
19331 * doc/cppopts.texi (-imultilib): Document.
19332 * doc/invoke.texi (-imultilib): Include in option summary.
19333 (%I): Update specs documentation.
19335 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19337 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
19339 2006-01-20 Richard Sandiford <richard@codesourcery.com>
19341 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
19344 2006-01-20 Richard Guenther <rguenther@suse.de>
19345 Steven Bosscher <stevenb.gcc@gmail.com>
19347 PR rtl-optimization/24626
19348 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
19349 EDGE_TRUE_VALUE if in RTL mode.
19352 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
19353 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
19355 2006-01-20 Dirk Mueller <dmueller@suse.com>
19358 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
19359 instead of a special NOP marker.
19360 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
19361 NOP marker handling.
19362 * c-common.h (empty_body_warning): Add forward declaration.
19363 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
19364 Now uses IS_EMPTY_STMT() instead of special NOP markers.
19366 2006-01-20 Paul Brook <paul@codesourcery.com>
19368 * Makefile.in (lang_checks): Keep going if mkdir fails.
19370 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19372 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
19373 be able to clean out basic block when not necessary.
19374 (df_scan_free): Fixed to properly delete information if df is
19375 unused before calling df_finish.
19376 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
19377 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
19379 (df_bb_refs_delete): New function.
19380 (df_refs_delete): Moved per block code to df_bb_refs_delete.
19381 * df-core.c (df_set_blocks): Added code to properly clean out
19382 unused blocks if they are not part of the blocks to consider.
19383 Added additional null check.
19384 (df_compact_blocks): Added basic block parameter to free_bb_fun to
19385 be able to clean out basic block when not necessary
19386 * df.h (df_free_bb_function): Ditto.
19387 (df_bb_refs_delete): New function.
19388 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
19389 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
19390 basic block parameter to be able to clean out basic block when not
19392 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
19393 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
19394 Fixed to properly delete information if df is unused before
19397 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19399 PR rtl-optimization/25799
19400 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
19401 Corrected confluence operator to remove bits from op2 before oring
19402 with op1 rather than removing bits from op1.
19403 (df_ru_transfer_function): Corrected test on wrong bitmap which
19404 caused infinite loop. Both of these problems were introduced in
19405 the dataflow rewrite.
19407 2006-01-19 DJ Delorie <dj@redhat.com>
19409 * reload1.c (find_reload_regs): Note the details of reload
19410 failures in the dump file.
19411 (spill_failure): Likewise.
19413 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19415 * loop-iv.c: Include df.h and hashtab.h.
19416 (enum iv_grd_result): New enum.
19417 (DF_REF_IV, DF_REF_IV_SET): New macros.
19418 (struct biv_entry): New.
19419 (df, bivs): New global variables.
19420 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
19421 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
19423 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
19424 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
19425 analyzed_for_bivness_p, record_biv): New functions.
19426 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
19427 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
19428 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
19430 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
19432 (iv_number_of_iterations): Use new interface to iv analysis.
19433 * loop-unroll.c: Do not include varray.h.
19434 (analyze_iv_to_split_insn): Use new interface to iv
19436 * loop-unswitch.c (may_unswitch_on): Ditto.
19437 * df.c (df_bitmaps_free): Only work for bbs for that structures are
19439 (df_bb_modify): Realloc tables to the new index.
19440 (df_find_use): New function.
19441 * df.h (df_find_use): Declare.
19442 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
19444 * cfgloop.h (struct rtx_iv): Remove analysed field.
19445 (iv_get_reaching_def): Removed.
19446 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
19447 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
19448 (loop-iv.o): Add df.h and hashtab.h dependency.
19449 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
19451 2006-01-20 Alan Modra <amodra@bigpond.net.au>
19454 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
19456 (__floatundisf, __floatundidf): Likewise.
19457 * libgcc2.h (IS_IBM_EXTENDED): Define.
19459 2006-01-19 DJ Delorie <dj@redhat.com>
19461 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
19463 2006-01-19 Paul Brook <paul@codesourcery.com>
19465 * config/arm/arm.c (arm_compute_func_type): Treat all functions
19466 as nothrow when unwinding tables are disabled.
19468 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19471 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
19472 of bit-field" when in system header.
19474 2006-01-19 DJ Delorie <dj@redhat.com>
19476 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
19477 the 16 bit shift limit of the m16c.
19479 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
19482 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
19483 * config/i386/i386.c (output_set_got): Output the label if we have one
19484 for the TARGET_DEEP_BRANCH_PREDICTION case.
19486 2006-01-19 Jan Hubicka <jh@suse.cz>
19487 H.J. Lu <hongjiu.lu@intel.com>
19488 Evandro Menezes <evandro.menezes@amd.com>
19490 * invoke.texi (generic): Document
19492 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
19493 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
19494 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
19495 (x86_use_incdec, x86_pad_returns): New variables
19496 (TARGET_CPU_DEFAULT_generic): New constant
19497 (TARGET_CPU_DEFAULT_NAMES): Add generic.
19498 (enum processor_type): Add generic32 and generic64.
19499 * i386.md (cpu attribute): Add generic32/generic64
19500 (movhi splitter): Behave sanely when both partial_reg_dependency and
19501 partial_reg_stall are set.
19502 (K8 splitters): Enable for generic as well.
19503 * predicates.md (incdec_operand): Use TARGET_INCDEC
19504 (aligned_operand): Avoid memory mismatch stalls.
19505 * athlon.md: Enable for generic64, new patterns for 128bit moves.
19506 * ppro.md: Enable for generic32
19507 * i386.c (generic64_cost, generic32_cost): New.
19508 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
19509 (x86_use_leave): Enable for generic64. (x86_use_sahf,
19510 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
19511 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
19512 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
19513 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
19514 x86_partial_reg_dependency, x86_memory_mismatch_stall,
19515 x86_accumulate_outgoing_args, x86_prologue_using_move,
19516 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
19517 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
19518 Enable for generic.
19519 (x86_use_incdec, x86_pad_returns): New.
19520 (override_options): Add generic32 and generic64, translate "generic"
19521 to generic32/generic64 and "i686" to "generic32", refuse
19522 "generic32"/"generic64" as arch target.
19523 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
19524 (ix86_reorg): Honor PAD_RETURNS.
19526 2006-01-19 Diego Novillo <dnovillo@redhat.com>
19528 * tree-pretty-print.c (dump_generic_node): Handle
19529 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
19530 * cgraph.c (cgraph_expand_queue): Rename from
19531 cgraph_analyze_queue. Update all users.
19532 * cgraphunit.c (cgraph_assemble_pending_functions): Process
19533 cgraph_expand_queue.
19534 (cgraph_expand_all_functions): Likewise.
19535 (cgraph_finalize_pending_functions): Remove. Update callers.
19537 * tree.h (OMP_DIRECTIVE_P): Define.
19538 (OMP_PARALLEL_FN): Define.
19539 (OMP_PARALLEL_DATA_ARG): Define.
19540 (OMP_SECTIONS_SECTIONS): Define.
19541 * tree-pass.h (pass_expand_omp): Declare.
19542 * omp-low.c (struct omp_region): Declare.
19543 (struct omp_context): Remove fields 'parallel_type',
19544 'parallel_start_ix' and 'parallel_start_additional_args'.
19546 (struct omp_for_data): Rename from struct expand_omp_for_data.
19547 (omp_regions): New static variable.
19548 (root_omp_region): New static variable.
19549 (find_omp_clause): Make static.
19550 (is_in_combined_parallel_ctx): Remove.
19551 (is_combined_parallel): New.
19552 (extract_omp_for_data): Move earlier in the file.
19553 (workshare_safe_to_combine_p): New.
19554 (get_ws_args_for): New.
19555 (determine_parallel_type): Move earlier in the file.
19556 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
19558 (omp_copy_decl): Likewise.
19559 (create_omp_child_function): Likewise.
19560 (lookup_omp_region): New.
19561 (dump_omp_region): New.
19562 (debug_omp_region): New.
19563 (debug_all_omp_regions): New.
19564 (new_omp_region): New.
19565 (scan_omp_parallel): If parallel_nesting_level > 1, the
19566 directive is nested within another parallel directive.
19567 Set OMP_PARALLEL_FN.
19568 (scan_omp_for): Do not try to handle combined parallel+for
19570 Remove FIXME comment.
19571 (scan_omp_nested): Remove.
19572 (scan_omp_1): Do not call scan_omp_nested when
19573 parallel_nesting_level is > 1.
19574 Do not change the DECL_CONTEXT of local variables found.
19575 (lookup_decl_in_outer_ctx): New.
19576 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
19577 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
19578 (lower_reduction_clauses): Rename from expand_reduction_clauses.
19579 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
19580 If CTX is nested, lookup VAR in the outer context when
19581 building copy assignment.
19582 (lower_send_clauses): Rename from expand_send_clauses.
19583 If CTX is nested, lookup VAR in the outer context when
19584 building copy assignments.
19585 (lower_send_shared_vars): Rename from expand_send_shared_vars.
19586 If CTX is nested, lookup VAR in the outer context when
19587 building copy assignments.
19588 (expand_parallel_call): Rename from build_parallel_call.
19589 Handle combined parallel+workshare cases.
19590 Re-implement to emit code into the CFG.
19592 (expand_omp_parallel): Re-implement to emit code into the CFG.
19593 Call move_sese_region_to_fn to outline the sub-graph
19594 containing the parallel region.
19595 (expand_omp_for_1): Remove.
19596 (expand_omp_for_generic): Re-implement to emit code into the
19598 (expand_omp_for_static_nochunk): Likewise.
19599 (expand_omp_for_static_chunk): Likewise.
19600 (expand_omp_for): Likewise.
19601 (expand_omp_sections): Likewise.
19602 (remove_exit_barriers): New.
19603 (expand_omp_synch): New.
19605 (build_omp_regions_1): New.
19606 (build_omp_regions): New.
19607 (execute_expand_omp): New.
19608 (gate_expand_omp): New.
19609 (pass_expand_omp): Define.
19610 (lower_omp_sections): Rename from expand_omp_sections.
19611 Set OMP_SECTIONS_SECTIONS.
19612 (lower_omp_single_simple): Rename from expand_omp_single_simple.
19613 (lower_omp_single_copy): Rename from expand_omp_single_copy.
19614 (lower_omp_single): Rename from expand_omp_simple.
19615 (lower_omp_master): Rename from expand_omp_master.
19616 (lower_omp_ordered): Rename from expand_omp_ordered.
19617 (lower_omp_critical): Rename from expand_omp_critical.
19618 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
19619 (lower_omp_for): Re-implement.
19620 (lower_omp_parallel): Re-implement.
19621 (lower_regimplify): Rename from expand_regimplify.
19622 (lower_omp_1): Rename from expand_omp_1.
19623 If there are syntax errors in the program, replace every
19624 OpenMP directive with NOP.
19625 Call lower_omp_* instead of expand_omp_*.
19626 (lower_omp): Rename from expand_omp.
19628 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
19629 * tree-gimple.h (enum omp_parallel_type): Remove.
19630 (gimple_boolify): Declare extern.
19631 (find_omp_clause, determine_parallel_type): Remove.
19633 * gimple-low.c (lower_omp_directive): New.
19634 (lower_stmt): Call it.
19635 (record_vars_into): Move from ...
19636 (record_vars): ... here.
19637 Call record_vars_into with current_function_decl.
19639 * gimplify.c (struct gimplify_ctx): Remove fields
19640 combined_pre_p and combined_ctxp. Update users.
19641 (get_formal_tmp_var): Add documentation.
19642 (gimple_boolify): Make extern.
19643 (gimplify_expr_in_ctx): Remove. Update callers.
19644 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
19645 will always be a BIND_EXPR.
19646 (gimplify_expr): Handle OMP_RETURN_EXPR.
19647 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
19648 (OMP_PARALLEL): Add 3 operands.
19649 (OMP_SECTIONS): Add 1 operand.
19650 (OMP_RETURN_EXPR): Define.
19652 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
19653 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
19654 * tree-iterator.c (alloc_stmt_list): Assert that we are not
19655 creating a circular free list.
19656 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
19658 * tree-flow.h (move_sese_region_to_fn): Declare.
19659 (record_vars_into): Declare.
19660 * tree-cfg.c (make_omp_sections_edges): New.
19661 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
19662 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
19663 OMP_SECTIONS and OMP_SECTION.
19664 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
19665 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
19666 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
19667 (gather_blocks_in_sese_region): New.
19668 (struct move_stmt_d): Declare.
19669 (move_stmt_r): New.
19670 (move_block_to_fn): New.
19671 (move_sese_region_to_fn): New.
19673 * passes.c (init_optimization_passes): Schedule
19674 pass_expand_omp after pass_init_datastructures.
19676 * tree-ssa-operands.c (get_expr_operands): Handle
19677 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
19678 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
19680 2006-01-19 Jeff Law <law@redhat.com>
19682 * tree-vrp.c (extract_range_from_assert): Refine the result range
19683 if the variable referenced by the ASSERT_EXPR has a range and
19684 either the tentative result range or the previous range is a
19687 2006-01-19 Richard Sandiford <richard@codesourcery.com>
19689 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
19691 2006-01-19 Jan Hubicka <jh@suse.cz>
19693 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
19695 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
19697 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
19698 (expand_compound_operation, expand_field_assignment): Fail if the
19699 bit lengths of an extract operation are out of range.
19700 (make_extraction): Compute wanted_inner_mode based on the position
19701 and length of the extraction. Make it extraction_mode for non-constant
19702 positions, and do not modify offset in that case. When generating a
19703 new MEM, use a mode that can hold the extraction while keeping correct
19704 alignment. Remove code that supported MEMs wrapped by USEs.
19705 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
19707 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
19709 * config/s390/s390.md ("Y", "y"): New mode attribute.
19710 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
19711 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
19712 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
19713 "*addsi3_imm_cc", "*addsi3_carry1_cc",
19714 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
19715 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
19716 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
19717 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
19718 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
19719 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
19720 "addsi3", "subsi3"): Insn patterns removed.
19721 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
19722 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
19723 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
19724 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
19725 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
19726 "*sub<mode>3_cconly2"): New insn patterns.
19727 ("addsi3", "subsi3"): New expanders.
19729 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
19731 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
19732 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
19733 existing STMT_VINFO_VECTYPE if available.
19734 (vect_mark_relevant): Add special handling for stmts that are
19735 marked as STMT_VINFO_IN_PATTERN_P.
19736 (vect_analyze_loop): Call vect_pattern_recog.
19737 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
19738 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
19740 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
19741 (vect_recog_func_ptr): New function-pointer type.
19742 * tree-vect-patterns.c: New file.
19743 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
19744 (vect_recog_dot_prod_pattern, vect_pattern_recog):
19745 (vect_pattern_recog_1): New functions.
19746 (vect_pattern_recog_funcs): New array of function pointers.
19748 * tree-vectorizer.h (ternary_op): New enum value.
19749 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
19750 declaration. Revised documentation. Removed redundant dump prints.
19751 Removed redundant argument. Added support for reduction patterns.
19752 (vectorizable_reduction): Added support for reduction patterns.
19753 (vect_transform_stmt): Added support for patterns.
19755 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
19756 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
19757 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
19758 (expand_widen_pattern_expr): New function.
19759 (init_optabs): Initialize new optabs udot_prod_optab,
19761 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
19762 (sdot_prod_optab, udot_prod_optab): Define new optabs.
19763 (expand_widen_pattern_expr): New function declaration.
19764 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
19766 * tree-inline.c (estimate_num_insns_1): Added cases for new
19767 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
19768 * tree-pretty-print.c (dump_generic_node): Likewise.
19769 (op_prio): Likewise.
19770 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
19771 * tree-ssa-operands.c (get_expr_operands): Added case for
19773 * tree-vect-patterns.c (widened_name_p): New function.
19774 (vect_recog_dot_prod_pattern): Added function implementation.
19775 * tree-vect-transform.c (get_initial_def_for_reduction): Added
19776 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
19777 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
19778 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
19780 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
19781 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
19782 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
19783 (init_optabs): Initialize new optabs widen_ssum_optab,
19785 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
19786 (widen_ssum_optab, widen_usum_optab): Define new optabs.
19787 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
19788 use instead of type of def.
19789 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
19790 function implementation.
19791 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
19792 widen_ssumv8hi): New.
19794 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
19797 2006-01-19 Richard Sandiford <richard@codesourcery.com>
19800 * c-decl.c (add_flexible_array_elts_to_size): New function.
19801 (finish_decl): Use it.
19803 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
19805 * diagnostic.h: Include options.h.
19806 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
19807 dependancies for diagnostic.h.
19808 * Makefile.in (DIAGNOSTIC_H): Add options.h.
19810 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
19812 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
19813 (ssa_ro_call_cache_valid): Ditto.
19814 * tree-ssa-alias.c (sort_tags_by_id): New function.
19815 (init_transitive_clobber_worklist): Ditto.
19816 (add_to_worklist): Ditto.
19817 (mark_aliases_call_clobbered): Ditto.
19818 (compute_tag_properties): Ditto.
19819 (set_initial_properties): Ditto.
19820 (compute_call_clobbered): Ditto.
19821 (compute_may_aliases): Call compute_call_clobbered and grouping.
19822 (compute_flow_sensitive_aliasing): Remove clobbering related code.
19823 (compute_flow_insensitive_aliasing): Grouping now happens in our
19825 (setup_pointers_and_addressables): Remove clobbering related code.
19826 (add_may_alias): Ditto.
19827 (replace_may_alias): Ditto.
19828 (get_nmt_for): Ditto.
19829 (create_global_var):
19830 (is_escape_site): Return an escape_type enumeration.
19831 * tree-flow-inline.h (is_call_clobbered): Global var does not
19832 imply call clobbered.
19833 (mark_call_clobbered): Take a reason for marking this. Remove
19834 marking of globalness, and cache invalidation.
19835 (clear_call_clobbered): Remove cache invalidation code.
19836 * tree-dfa.c (dump_variable): If details is on, dump the reason
19838 * tree-outof-ssa.c (create_temp): Copy escape mask from original
19840 * tree-flow.h (struct ptr_info_def): Add escape mask member.
19841 (struct var_ann_d): Ditto.
19842 (enum escape_type): New.
19843 (mark_call_clobbered): Adjust prototype.
19844 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
19845 are never call clobbered.
19846 Record reasons for escaping.
19847 * tree-ssa-structalias.h (is_escape_site): Update prototype.
19848 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
19849 (ssa_ro_call_cache_valid): Ditto.
19850 (clobbered_v_may_defs): Ditto.
19851 (clobbered_vuses): Ditto.
19852 (ro_call_vuses): Ditto.
19853 (clobber_stats): New.
19854 (init_ssa_operands): Zero out clobber stats.
19855 (fini_ssa_operands): Print out clobber stats.
19856 (get_call_expr_operands): Pass callee fndecl to
19857 add_call_read_ops).
19858 (add_call_clobber_ops): Remove use of cache.
19859 Add use of PURE_CONST information.
19860 (add_call_read_ops): Remove use of cache.
19861 Add use of static not_read information.
19863 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
19865 Introduce TLS descriptors for i386 and x86_64.
19866 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
19867 (TARGET_ANY_GNU_TLS): New macro.
19868 (enum tls_dialect): Added TLS_DIALECT_GNU2.
19869 (struct machine_function): Add tls_descriptor_call_expanded_p.
19870 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
19871 (ix86_current_function_calls_tls_descriptor): Likewise.
19872 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
19873 (override_options): Introduce gnu2 tls dialect.
19874 (ix86_frame_pointer_required): Functions containing TLSCALLs are
19876 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
19878 (legitimize_tls_address): Adjust logic for GNU2 TLS.
19879 (ix86_init_machine_status): Initialize new field.
19880 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
19881 (ix86_tls_module_base): New.
19882 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
19883 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
19884 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
19885 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
19886 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
19887 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
19888 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
19889 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
19890 * config/i386/predicates.md (tls_modbase_operand): New.
19891 (tp_or_register_operand): New.
19893 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
19895 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
19896 (look_for_address_of): Ditto.
19897 (ipa_init): Walk the function decls.
19898 (static_execute): Don't set readonly on FUNCTION_DECL's.
19900 2006-01-18 Roger Sayle <roger@eyesopen.com>
19902 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
19903 for shifts where the source and destination registers are different.
19905 2006-01-18 Paul Brook <paul@codesourcery.com>
19907 Merge from csl-arm-branch.
19908 2005-03-14 Julian Brown <julian@codesourcery.com>
19909 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
19910 (aeabi_llsl): Likewise.
19911 (ashrdi3): Likewise.
19912 (aeabi_lasr): Likewise.
19913 (lshrdi3): Likewise.
19914 (aeabi_llsr): Likewise.
19915 2005-03-10 Julian Brown <julian@codesourcery.com>
19916 * config.gcc: Disable shared libgcc for SymbianOS.
19917 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
19919 2006-01-18 DJ Delorie <dj@redhat.com>
19921 * c-pragma.c (handle_pragma_diagnostic): New.
19922 (init_pragma): Register it.
19923 * doc/extend.texi: Document it.
19925 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
19926 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
19927 (diagnostic_context): Add classify_diagnostic[].
19928 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
19929 as errors if they're overridden to DK_WARNING.
19930 (diagnostic_initialize): Initialize classify_diagnostic[].
19931 (diagnostic_set_kind_override): New.
19932 (diagnostic_report_diagnostic): Check for kind changes.
19933 * opts.c (common_handle_option): Take lang_mask. Update callers.
19934 Handle OPT_Werror_.
19935 * common.opt (Werror=): New.
19936 * doc/invoke.texi: Document -Werror=*
19938 2006-01-18 Jeff Law <law@redhat.com>
19940 * tree-vrp.c (test_for_singularity): Correct test for new
19941 min limit. Use operand_equal_p rather than pointer equality
19942 for testing if new min/max values are equal.
19944 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
19945 using range information until after propagation and folding.
19947 2006-01-18 Richard Henderson <rth@redhat.com>
19948 Aldy Hernandez <aldyh@redhat.com>
19949 Jakub Jelinek <jakub@redhat.com>
19950 Diego Novillo <dnovillo@redhat.com>
19952 * omp-low.c: New file.
19953 * c-omp.c: New file.
19955 2006-01-18 Richard Henderson <rth@redhat.com>
19956 Jakub Jelinek <jakub@redhat.com>
19957 Diego Novillo <dnovillo@redhat.com>
19959 * doc/invoke.texi: Document -fopenmp.
19960 * tree-dump.h (debug_function): Declare.
19961 * hooks.c (hook_bool_tree_bool_false): New function.
19962 (hook_tree_tree_null): Remove.
19963 (hook_tree_tree_tree_null): New.
19964 * hooks.h: Update to match.
19965 * tree-pretty-print.c (debug_tree_chain): New.
19966 (print_generic_expr): Handle TDF_CHAIN.
19967 (dump_generic_node): Handle BLOCK.
19968 Do not abort with incomplete SWITCH_EXPRs.
19969 Do not dump body of an OpenMP directive if TDF_SLIM is given.
19970 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
19971 print space after directive name.
19972 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
19973 Handle OMP_MASTER and OMP_ORDERED.
19974 Handle printing of OMP_BODY just in one place, goto
19975 dump_omp_body in the rest of OMP_* nodes that have
19977 Don't handle clause nodes here. Update omp statements to
19978 use dump_omp_clauses.
19979 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
19980 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
19981 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
19982 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
19983 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
19984 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
19985 Adjust output for GOMP_PARALLEL.
19986 (dump_omp_clauses): New.
19987 (print_declaration): Dump DECL_VALUE_EXPR.
19988 (op_symbol_1): Split out of op_symbol.
19989 (dumping_stmts): Remove. Update all users.
19990 * cgraph.c (cgraph_analyze_queue): New.
19991 (cgraph_add_new_function): New.
19992 * cgraph.h (cgraph_analyze_queue): Declare.
19993 (cgraph_add_new_function): Declare.
19994 (cgraph_lower_function): Remove.
19995 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
19996 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
19997 and TYPE_P nodes in its default clause.
19998 (empty_body_p): New.
19999 (tree_range_check_failed): New.
20000 (build5_stat): New.
20001 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
20002 OMP_CLAUSE_REDUCTION_MERGE,
20003 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
20004 OMP_CLAUSE_PRIVATE_DEBUG,
20005 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
20006 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
20007 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
20008 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
20009 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
20010 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
20011 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
20012 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
20013 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
20014 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
20015 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
20016 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
20017 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
20018 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
20019 (TREE_RANGE_CHECK): New.
20020 (empty_body_p): Declare.
20021 (enum omp_clause_default_kind): New.
20022 (build_string_literal): Declare.
20023 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
20024 (build5_stat, build5): Declare.
20025 * tree-pass.h (TDF_CHAIN): Define.
20026 * tree-pass.h (PROP_gimple_lomp): Define.
20027 (pass_lower_omp): Declare.
20028 * diagnostic.h (debug_tree_chain): Declare.
20029 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
20031 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
20032 * builtins.c (build_string_literal): Make extern.
20033 * gcc.c (include_spec_function): New.
20034 (static_spec_functions): Add it.
20035 (main): Move load of libgomp.spec ...
20036 (LINK_COMMAND_SPEC): ... here.
20037 (link_gomp_spec): New.
20038 (static_specs): Include it.
20039 (LINK_COMMAND_SPEC): Add link_gomp.
20040 (GOMP_SELF_SPECS): New.
20041 (driver_self_specs): Include it.
20042 (switch_matches): Don't mark inline.
20043 (main): Load libgomp.spec.
20044 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
20045 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
20046 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
20047 * tree-gimple.h (enum omp_parallel): Declare.
20048 (determine_parallel_type): Declare.
20049 (omp_firstprivatize_variable): Declare.
20050 (omp_reduction_init): Declare.
20051 (diagnose_omp_structured_block_errors): Declare.
20052 (struct walk_stmt_info): Add want_return_expr.
20053 (struct walk_stmt_info): Add want_bind_expr, want_locations.
20054 (find_omp_clause): Declare.
20055 (insert_field_into_struct): Declare.
20056 (struct walk_stmt_info): Move from tree-nested.c
20057 (walk_stmts): Declare.
20058 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
20060 * cgraphunit.c (cgraph_lower_function): Make static.
20061 (cgraph_finalize_pending_functions): New.
20062 (cgraph_finalize_function): Call it.
20063 (cgraph_finalize_compilation_unit): Likewise.
20064 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
20065 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
20066 (BT_FN_UINT_UINT): New.
20067 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
20068 DEF_FUNCTION_TYPE_VAR_4): Document.
20069 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
20070 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
20071 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
20072 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
20073 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
20074 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
20075 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
20076 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
20077 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
20078 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
20079 into separate files.
20080 (DEF_GOMP_BUILTIN): New.
20081 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
20082 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
20083 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
20084 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
20085 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
20086 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
20087 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
20088 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
20089 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
20090 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
20091 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
20092 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
20093 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
20094 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
20095 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
20096 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
20097 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
20098 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
20099 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
20100 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
20101 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
20102 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
20103 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
20104 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
20105 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
20106 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
20107 * sync-builtins.def: New file, moved from builtins.def.
20108 * omp-builtins.def: New file, moved from builtins.def.
20109 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
20110 * gimple-low.c (lower_function_body): Clear data.
20111 (lower_stmt): Do not handle COMPOUND_EXPR.
20112 Remove call to print_node_brief.
20113 * c-tree.h (c_finish_omp_clauses): New prototype.
20114 (C_DECL_THREADPRIVATE_P): Define.
20115 (lookup_name_no_remap, c_omp_remap_private): Remove
20116 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
20117 (check_for_loop_decls): Update decl.
20118 (lookup_name_no_remap, c_omp_remap_private): Declare.
20119 (build_indirect_ref, build_modify_expr, pushdecl,
20120 pushdecl_top_level): Move to c-common.h.
20121 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
20122 before the switch, but just in the 2 places that need it.
20123 * c-decl.c (diagnose_mismatched_decls): Do not check for
20124 mismatched thread-local attributes when OLDDECL is marked
20125 threadprivate and NEWDECL has no thread-local attributes.
20126 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
20127 (c_gimple_diagnostics_recursively): Rename from
20128 c_warn_unused_result_recursively. Invoke
20129 diagnose_omp_structured_block_errors.
20130 (check_for_loop_decls): Return a singular decl found.
20131 * langhooks.c (lhd_omp_predetermined_sharing): Return
20132 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
20133 (lhd_omp_firstprivatize_type_sizes): New.
20134 (lhd_omp_assignment): New.
20135 (lhd_omp_predetermined_sharing): New.
20136 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
20137 (struct lang_hooks_for_types): Add
20138 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
20139 omp_predetermined_sharing, omp_disregard_value_expr,
20140 omp_private_debug_clause, omp_clause_default_ctor,
20141 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
20142 (c_finish_omp_clauses): New.
20143 (c_finish_bc_stmt): Diagnose break within omp for.
20144 (c_begin_omp_parallel, c_finish_omp_parallel): New.
20145 (build_unary_op): Return error_mark after reporting
20147 (build_modify_expr): Likewise.
20148 * gimplify.c: Include optabs.h and pointer-set.h.
20149 (enum gimplify_omp_var_data): Declare.
20150 (struct gimplify_omp_ctx): Declare.
20151 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
20153 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
20154 (push_gimplify_context, pop_gimplify_context): Allow nesting.
20155 (splay_tree_compare_decl_uid): New.
20156 (new_omp_context): New.
20157 (delete_omp_context): New.
20158 (gimple_add_tmp_var): Call omp_add_variable.
20159 (gimplify_bind_expr): Likewise.
20160 (gimplify_var_or_parm_decl): If omp_notice_variable returned
20161 true, disregard DECL_VALUE_EXPR on the decl if any.
20162 (gimplify_expr_in_ctx): New.
20163 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
20164 omp_add_variable, omp_notice_variable, omp_is_private
20165 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
20166 gimplify_adjust_omp_clauses, gimplify_omp_parallel
20167 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
20168 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
20169 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
20170 gimplify_omp_atomic): New.
20171 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
20172 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
20173 OMP_CRITICAL and OMP_ATOMIC.
20174 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
20175 * c-pragma.h (enum pragma_kind): Add
20176 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
20177 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
20178 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
20179 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
20180 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
20181 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
20182 PRAGMA_OMP_THREADPRIVATE.
20183 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
20184 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
20185 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
20186 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
20187 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
20188 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
20189 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
20190 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
20191 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
20192 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
20193 * tree-ssa-dce.c (find_control_dependence): Do not assume that
20194 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
20195 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
20197 (struct nesting_info): Add field_map,
20198 suppress_expansion, debug_var_chain.
20199 (create_nesting_tree): Initialize them.
20200 (lookup_field_for_decl): Use field_map.
20201 (get_nonlocal_debug_decl, get_local_debug_decl): New.
20202 (convert_local_omp_clauses): New.
20203 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
20204 (walk_body): Split out of walk_function.
20205 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
20206 (convert_nonlocal_reference): Handle omp statements.
20207 (convert_local_reference): Likewise.
20208 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
20209 (unnest_nesting_tree): New.
20210 (lower_nested_functions): Call it.
20211 (insert_field_into_struct): Make extern.
20212 (struct walk_stmt_info): Move to tree-gimple.h.
20213 (walk_stmts): Make extern.
20214 * omp-builtins.def: New file.
20215 * tree-iterator.c (expr_only): Clarify comment.
20216 * c-common.h (pushdecl_top_level, pushdecl,
20217 build_modify_expr, build_indirect_ref,
20218 c_finish_omp_master, c_finish_omp_critical,
20219 c_finish_omp_ordered, c_finish_omp_barrier,
20220 c_finish_omp_atomic, c_finish_omp_flush,
20221 c_finish_omp_for, c_split_parallel_clauses,
20222 omp_clause_default_kind, c_omp_sharing_predetermined,
20223 c_omp_remap_decl): Declare.
20224 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
20225 (OBJS-common): Add omp-low.o.
20226 (c-omp.o, omp-low.o): Add.
20227 (gimplify.o): Add dependency on $(OPTABS_H).
20228 (GTFILES): Add omp-low.c.
20229 (gt-stringpool.h): Add.
20230 * tree-cfg.c (set_bb_for_stmt): Do not update the
20231 block-to-labels map if we are currently expanding to RTL.
20232 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
20234 Handle IDENTIFIER_NODE.
20235 (tree_verify_flow_info): Do not ICE when emitting error
20236 messages about invalid labels.
20237 (dump_function_to_file): Reset CFUN before emitting the body
20239 (debug_function): New.
20240 * passes.c (init_optimization_passes): Schedule
20242 * langhooks-def.h (lhd_omp_predetermined_sharing,
20243 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
20245 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
20246 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
20247 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
20248 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
20249 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
20250 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
20251 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
20252 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
20253 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
20254 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
20255 (LANG_HOOK_DECLS): Use them.
20257 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
20258 Richard Henderson <rth@redhat.com>
20259 Jakub Jelinek <jakub@redhat.com>
20260 Diego Novillo <dnovillo@redhat.com>
20262 * c-parser.c (pragma_omp_clause): Define.
20263 (c_parser_declaration_or_fndef): Document OpenMP syntax.
20264 (c_parser_compound_statement): Likewise.
20265 (c_parser_statement): Likewise.
20266 (c_parser_pragma): Handle omp pragmas.
20267 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
20268 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
20269 (c_parser_omp_clause_name, check_no_duplicate_clause,
20270 c_parser_omp_variable_list,
20271 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
20272 c_parser_omp_clause_copyprivate,
20273 c_parser_omp_clause_default,
20274 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
20275 c_parser_omp_clause_lastprivate,
20276 c_parser_omp_clause_nowait,
20277 c_parser_omp_clause_num_threads,
20278 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
20279 c_parser_omp_clause_reduction,
20280 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
20281 c_parser_omp_all_clauses, c_parser_omp_structured_block,
20282 c_parser_omp_atomic, c_parser_omp_barrier,
20283 c_parser_omp_critical, c_parser_omp_flush,
20284 c_parser_omp_for_loop, c_parser_omp_for,
20285 c_parser_omp_master, c_parser_omp_ordered,
20286 c_parser_omp_sections_scope, c_parser_omp_sections,
20287 c_parser_omp_parallel, c_parser_omp_single,
20288 c_parser_omp_construct, c_parser_omp_threadprivate): New.
20289 * c-pragma.c (init_pragma): Do omp pragma registration here.
20290 * c.opt (fopenmp): New flag.
20292 2006-01-18 Eric Christopher <echristo@apple.com>
20294 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
20295 * config/darwin.h (GOMP_SELF_SPECS): Define.
20297 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20299 * rtl.h: Remove the prototype for reg_alloc.
20301 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20304 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
20305 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
20306 sjlj and dwarf2 exception handling.
20307 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
20308 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
20309 * pa/pa.c (function_value): Treat complex and vector types as
20311 (function_arg): Likewise. Only pass scalar floats in the floating
20312 point argument registers.
20313 * pa/t-slibgcc-dwarf-ver: New file.
20314 * pa/t-slibgcc-sjlj-ver: New file.
20315 * pa/t-slibgcc-elf-ver: Delete file.
20317 2006-01-19 Alan Modra <amodra@bigpond.net.au>
20319 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
20320 unlikely_test_section_p test.
20322 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20324 * mode-switching.c (optimize_mode_switching): Make it static.
20325 * basic-block.h: Remove the prototype for
20326 optimize_mode_switching.
20328 * modulo-sched.c (sms_schedule): Make it static.
20329 * rtl.h: Remove the prototype for sms_schedule.
20331 * postreload-gcse.c (gcse_after_reload_main): Make it static.
20332 * rtl.h: Remove the prototype for gcse_after_reload_main.
20334 * reg-stack.c (reg_to_stack): Make it static.
20335 * rtl.h: Remove the prototype for reg_to_stack.
20337 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
20339 * rtl.h: Remove the prototypes for regrename_optimize and
20340 copyprop_hardreg_forward.
20342 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
20344 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
20345 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
20346 Test against the appropriate null constant for the mode.
20347 If 'fixup_overlap' is true, swap the operands if they overlap.
20348 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
20349 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
20350 alpha_split_tmode_pair and adjust for above change.
20351 * config/alpha/alpha.md (movtf_internal): Adjust call to
20352 alpha_split_tfmode_pair and rely on it to swap the operands.
20353 (movti_internal): New insn and post-reload splitter.
20354 (movti): New expander.
20356 2006-01-18 Philippe De Muyter <phdm@macqel.be>
20358 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
20361 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20363 * rtlanal.c (global_reg_mentioned_p_1,
20364 global_reg_mentioned_p): Remove.
20365 * rtl.h: Remove the prototype for global_reg_mentioned_p.
20367 * flow.c (initialize_uninitialized_subregs): Make it static.
20368 * rtl.h: Remove the prototype for
20369 initialize_uninitialized_subregs.
20371 * function.c (instantiate_virtual_regs): Make it static.
20372 * function.h: Remove the prototype for
20373 instantiate_virtual_regs.
20375 * regmove.c (regmove_optimize, combine_stack_adjustments):
20377 * rtl.h: Remove the prototypes for regmove_optimize and
20378 combine_stack_adjustments.
20380 2006-01-17 Roger Sayle <roger@eyesopen.com>
20382 * config/i386/i386.c (COSTS_N_BYTES): New macro.
20383 (size_cost): Encode costs in bytes so that a reg-reg addition is
20384 equivalent to COSTS_N_INSNS(1).
20385 (override_options): Use the size_cost.branch_cost as the default
20386 ix86_branch_cost when optimizing for size.
20388 2006-01-18 Ben Elliston <bje@au.ibm.com>
20390 * Makefile.in (D32PBIT_FUNCS): New.
20391 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
20392 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
20393 D64PBIT_FUNCS and D128PBIT_FUNCS.
20394 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
20395 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
20397 (decnumber_dep): Define.
20398 * doc/libgcc.texi (Decimal float library routines): New node.
20399 * config/dfp-bit.h, config/dfp-bit.c: New files.
20401 2006-01-18 Ben Elliston <bje@au.ibm.com>
20403 * expr.c (emit_move_change_mode): Always adjust addresses, not
20404 just during reload. Copy replacements only during reload.
20405 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
20406 emit_move_via_integer.
20408 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
20410 * Makefile.in (check-%, check-consistency): Use $${srcdir}
20411 instead of $(srcdir) and ${srcdir}.
20413 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
20416 PR middle-end/11135
20417 * arm.h (struct machine_function): Add pic_reg.
20418 * arm.c (arm_pic_register): Make unsigned.
20419 (arm_override_options): Only set arm_pic_register if
20420 TARGET_SINGLE_PIC_BASE.
20421 (use_return_insn): Only test for a pic register if it is fixed.
20422 (arm_compute_save_reg0_reg12_mask): Likewise.
20423 (thumb_compute_save_reg_mask): Likewise.
20424 (legitimate_pic_operand): Factor out some known invariants.
20425 (legitimize_pic_address): If we don't have a fixed pic register,
20426 then set up a pseudo in the function entry sequence. Handle the
20427 pic base being in a pseudo.
20428 (arm_load_pic_register): Handle the pic register being in a pseudo.
20429 (arm_expand_prologue): Only set up the pic register if it is fixed.
20430 (thumb_expand_prologue): Likewise.
20431 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
20432 (pic_load_addr_based_insn): Likewise.
20433 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
20436 2006-01-18 Ben Elliston <bje@au.ibm.com>
20438 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
20439 decimal float modes for all floating point registers.
20441 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
20442 match_code "mem" with match_test "macho_lo_sum_memory_operand".
20444 2006-01-17 Jakub Jelinek <jakub@redhat.com>
20447 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
20448 even when the pointer is not NULL.
20450 2006-01-16 Ian Lance Taylor <ian@airs.com>
20452 * common.opt (ftoplevel-reorder): New option.
20453 * cgraph.c (cgraph_asm_nodes): New global variable.
20454 (cgraph_asm_last_node): New static variable.
20455 (cgraph_order): New global variable.
20456 (cgraph_create_node): Set new order field.
20457 (cgraph_varpool_node): Likewise.
20458 (decide_is_variable_needed): Return true if not
20459 flag_toplevel_reorder.
20460 (cgraph_add_asm_node): New function.
20461 * cgraph.h (struct cgraph_node): Add order field.
20462 (struct cgraph_varpool_node): Add order field.
20463 (struct cgraph_asm_node): Define.
20464 (cgraph_asm_nodes, cgraph_order): Declare.
20465 (cgraph_add_asm_node): Declare.
20466 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
20468 (cgraph_varpool_assemble_pending_decls): Call it.
20469 (cgraph_output_pending_asms): New static function.
20470 (cgraph_finalize_compilation_unit): Call it.
20471 (struct cgraph_order_sort): Define.
20472 (cgraph_output_in_order): New static function.
20473 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
20474 !flag_toplevel_reorder case.
20475 * c-parser.c: Include "cgraph.h".
20476 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
20478 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
20479 than -fno-unit-at-a-time.
20480 * doc/invoke.texi (Option Summary): Mention
20481 -fno-toplevel-reorder.
20482 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
20483 -funit-at-a-time documentation.
20485 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
20486 Kazu Hirata <kazu@codesourcery.com>
20488 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
20490 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
20492 * Makefile.in (FUNCTION_H): New. Use it instead of
20493 function.h throughout the file.
20494 * function.h: Include tree.h.
20496 2006-01-17 Ben Elliston <bje@au.ibm.com>
20498 * recog.c: Separate some functions with whitespace.
20500 2006-01-16 Richard Henderson <rth@redhat.com>
20502 Merge from gomp branch:
20503 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
20504 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
20505 and rename from struct inline_data. Rename callee* to dst*;
20506 caller* to src*; add copy_decl hook, transform_call_graph_edges,
20507 transform_new_cfg, transform_return_to_modify, and
20508 transform_lang_insert_block flags; remove cloning_p, versioning_p,
20510 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
20511 (copy_decl_for_dup): Remove.
20512 * tree-inline.c (struct inline_data): Move to header.
20513 (insert_decl_map): Export.
20514 (remap_decl): Update for member name changes. Use copy_decl hook.
20515 Allow for replacement to be a non-decl. Remove dead code.
20516 (remap_type_1): Check for existing mapping.
20517 (remap_type): Export.
20518 (remap_decls): Update for member name changes.
20519 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
20520 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
20521 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
20522 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
20523 (tree_function_versioning, build_duplicate_type): Likewise.
20524 (copy_body_r): Likewise. Export.
20525 (copy_decl_for_dup): Split into ...
20526 (copy_decl_for_dup_finish, copy_decl_to_var,
20527 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
20528 (replace_ref_tree, inlining_p): Remove.
20530 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20532 * ifcvt.c (if_convert): Make it static.
20533 * rtl.h: Remove the prototype for if_convert.
20535 * local-alloc.c (local_alloc): Make it static.
20536 * rtl.h: Remove the prototype for local_alloc.
20538 * loop.c (loop_optimize): Make it static.
20539 * cfgloop.h: Remove the prototype for loop_optimize.
20542 2006-01-16 DJ Delorie <dj@redhat.com>
20544 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
20547 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20549 * pa.md: Disparage copies between general and floating-point registers
20550 in 32-bit move patterns.
20552 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
20555 * Makefile.in (check-%): Depend on site.exp instead of
20556 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
20559 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20561 * global.c (global_alloc): Make it static.
20562 * rtl.h: Remove the prototype for global_alloc.
20564 2006-01-16 Richard Guenther <rguenther@suse.de>
20566 * tree-ssa-alias.c (struct used_part): Add write_only field.
20567 (get_or_create_used_part_for): Initialize it to true.
20568 (create_overlap_variables_for): Don't create structure variables
20569 for structures that only are written to.
20570 (find_used_portions): Handle MODIFY_EXPR to track whether a
20571 structure is only written to.
20573 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20575 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
20577 * basic-block.h: Remove the prototype for
20578 partition_hot_cold_basic_blocks.
20580 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
20582 * cppspec.c (lang_specific_spec_functions): Remove.
20583 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
20584 * gcc.h (lang_specific_spec_functions): Remove.
20585 * gccspec.c (lang_specific_spec_functions): Remove.
20587 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
20589 * combine.c (record_value_for_reg): Invalidate registers
20591 (record_dead_and_set_regs_1): Likewise, by passing them to
20592 record_value_for_reg.
20593 (record_dead_and_set_regs): Invalidate stores made by a
20594 call. We do not combine across a call, but we still
20595 relied on equivalences.
20597 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20599 * tree-vrp.c (extract_range_from_binary_expr): Cope with
20600 vrp_int_const_binop returning non-constant nodes.
20602 2006-01-16 Paul Brook <paul@codesourcery.com>
20604 * config/m68k/m68k.c (output_move_const_into_data_reg):
20605 Output correct mnemonic for mvz and mvs.
20607 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
20609 * rtl-factoring.c: Add sequence abstraction algorithm.
20610 * cfgcleanup.c (outgoing_edges_match): Extra checks.
20611 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
20613 (block_has_preserve_label): New function.
20614 * common.opt: Register new pass.
20615 * Makefile.in: Ditto.
20617 * timevar.def: Ditto.
20618 * tree-pass.h: Ditto.
20619 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
20620 * rtl.h (make_jump_insn_raw): Add forward decl.
20621 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
20623 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20624 Roger Sayle <roger@eyesopen.com>
20626 * fold-const.c (fold_minmax): New static function.
20627 (fold_binary) <MIN_EXPR>: Call it.
20628 <MAX_EXPR>: Likewise.
20629 * stor-layout.c (place_field): Use DECL_SIZE consistently
20630 in the computation of the new record size.
20632 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20634 * cse.c (cse_condition_code_reg): Make it static.
20635 * rtl.h: Remove the prototype for cse_condition_code_reg.
20637 * combine.c (combine_instructions): Make it static.
20638 * rtl.h: Remove the prototype for combine_instructions.
20640 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20643 * tree.c (get_file_function_name_long): Concatenate the first global
20644 object name with a string derived from the input filename of the object
20647 2006-01-16 Ben Elliston <bje@au.ibm.com>
20649 * config/i386/winnt-stubs.c: Update FSF address.
20650 * config/xtensa/ieee754-df.S: Ditto.
20651 * config/xtensa/ieee754-sf.S: Ditto.
20653 2006-01-14 Ian Lance Taylor <ian@airs.com>
20655 * ifcvt.c (noce_init_if_info): New static function, broken out of
20656 noce_process_if_block.
20657 (noce_process_if_block): Call noce_init_if_info.
20658 (check_cond_move_block): New static function.
20659 (cond_move_process_if_block): New static function.
20660 (process_if_block): Call cond_move_process_if_block.
20662 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
20664 * cselib.c (hash_table): Rename to cselib_hash_table.
20665 (cselib_clear_table, discard_useless_values,
20666 remove_useless_values, cselib_lookup_mem, cselib_lookup,
20667 cselib_init, cselib_finish): Adjust uses of hash_table.
20669 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
20671 PR tree-optimization/25485
20672 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
20673 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
20674 is known to be false and true, respectively.
20676 2006-01-14 Richard Guenther <rguenther@suse.de>
20678 PR tree-optimization/22548
20679 PR tree-optimization/22555
20680 PR tree-optimization/22501
20681 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
20682 * params.def (salias-max-array-elements): New parameter.
20683 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
20684 * doc/invoke.texi (salias-max-array-elements): Document.
20685 * tree-flow-inline.h (var_can_have_subvars): We also handle
20687 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
20689 * tree-ssa-structalias.c (params.h): Include.
20690 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
20691 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
20692 (get_constraint_for): For ADDR_EXPR operating on something
20693 containing an ARRAY_REF, add all subvars to the solution.
20694 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
20695 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
20696 for creating MUST_DEFs.
20697 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
20699 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
20701 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
20703 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
20704 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
20705 number_of_iterations_le): New functions.
20706 (number_of_iterations_special): Removed.
20707 (number_of_iterations_exit): Do not use number_of_iterations_special.
20708 * tree.c (unsigned_type_for): Always return integer type.
20710 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
20711 Richard Guenther <rguenther@suse.de>
20713 PR rtl-optimization/24257
20714 * gcse.c (find_moveable_store): Only consider a store movable
20715 when the SET_SRC of the insn can be assigned to a register.
20717 2006-01-14 Ian Lance Taylor <ian@airs.com>
20719 * tree.c (tree_not_class_check_failed): New function.
20720 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
20721 (tree_not_class_check_failed): Declare.
20723 2006-01-13 Ian Lance Taylor <ian@airs.com>
20725 * reload1.c (do_output_reload): Add assertion rejecting a
20728 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
20730 * combine.c (struct reg_stat): Add new fields truncation_label and
20732 (record_value_for_reg): Reset truncated_to_mode.
20733 (record_truncated_value): New function.
20734 (check_promoted_subreg): Call it. Rename to check_conversions.
20735 (combine_instructions): Rename check_promoted_subreg to
20737 (reg_truncated_to_mode): New function.
20738 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
20739 (gen_lowpart_or_truncate): New function.
20740 (force_to_mode): Use it instead of gen_lowpart.
20742 2006-01-13 Diego Novillo <dnovillo@redhat.com>
20744 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
20745 VAR is a tag, not its type tag.
20747 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
20749 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
20750 alternatives to match style of other entries.
20751 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
20753 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
20755 PR tree-optimization/25771
20756 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
20759 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
20762 * tree-inline.c (declare_return_variable): If the return variable
20763 was marked as a non gimple complex, set the return slot variable
20764 to be a non gimple comple variable.
20766 2006-01-13 Richard Guenther <rguenther@suse.de>
20768 * builtins.c (expand_builtin_sincos): New function.
20769 (expand_builtin_mathfn_3): Remove dead code, sin and cos
20771 (expand_builtin): Expand sincos using expand_builtin_sincos.
20773 2006-01-12 DJ Delorie <dj@redhat.com>
20775 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
20776 shift counts, separate SI shifts for m32c vs m16c, pass shift type
20777 so that constant shifts can be split.
20778 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
20779 (m32c_valid_pointer_mode): Make static.
20780 (shift_gen_func_for): New.
20781 (m32c_prepare_shift): Use it. Split large const shifts into
20783 * config/m32c/predicates.md (shiftcount_operand): Allow more
20785 (longshiftcount_operand): New.
20786 * doc/md.texi (Machine Constraints): Document In6.
20788 2006-01-13 Ben Elliston <bje@au.ibm.com>
20790 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
20791 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
20794 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
20796 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
20797 to try to avoid clobbering pieces of structures when we know
20798 something about the whole structure.
20799 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
20801 2006-01-13 Ben Elliston <bje@au.ibm.com>
20803 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
20804 return in memory, as this is no limitation is no longer present.
20806 2006-01-12 DJ Delorie <dj@redhat.com>
20808 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
20809 mova with fb, and for fb+0 -> An.
20811 * config/m32c/mov.md (peephole2): Fix enabling logic.
20813 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
20814 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
20815 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
20816 FINI_ARRAY_SECTION_ASM_OP): Define.
20818 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
20820 (m32c_legitimize_reload_address): New logic to reload FB to An.
20821 (m32c_output_reg_push): Add newline.
20822 (m32c_output_reg_pop): Likewise.
20824 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
20826 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
20828 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
20830 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
20832 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20834 * config/sh/predicates.md (sh_rep_vec): Add parallel to
20837 2006-01-11 Ben Elliston <bje@au.ibm.com>
20839 * rtlanal.c (find_reg_note): Assert insn is not null.
20841 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
20843 * df-scan.c (df_hard_reg_init): Move declaration of i outside
20846 2006-01-11 Jeff Law <law@redhat.com>
20848 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
20850 (mark_threaded_blocks, register_jump_thread): New functions.
20851 (thread_through_all_blocks): Remove unwanted argument. No
20852 longer rely on e->aux to communicate thread target info.
20853 Call mark_threaded_blocks. Release the threaded_blocks
20854 bitmap and threaded_edges vector when complete.
20855 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
20856 (threaded_blocks): Remove.
20857 (tree_ssa_dominator_optimize): Remove initialization and
20858 finalization of threaded_blocks. Simplify call to
20859 thread_through_all_blocks.
20860 (thread_across_edge): Call register_jump_thread rather than
20861 storing thread information into e->aux.
20862 (free_all_edge_infos): Simplify now that e->aux is no longer
20863 used to communicate with thread_through_all_blocks.
20864 * tree-flow.h (thread_through_all_blocks): Update prototype.
20865 (register_jump_thread): Prototype.
20867 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20869 * df-core.c (df_compact_blocks, df_bb_replace): Use
20870 SET_BASIC_BLOCK instead of BASIC_BLOCK.
20872 2006-01-11 Richard Guenther <rguenther@suse.de>
20874 PR tree-optimization/25734
20875 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
20876 stop propagation after successful propagation to the LHS.
20878 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20880 * basic-block.h (control_flow_graph): Change the type of
20881 x_basic_block_info to VEC(basic_block,gc) *.
20882 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
20884 (SET_BASIC_BLOCK): New.
20885 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
20886 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
20887 * cfgbuild.c (find_basic_blocks): Likewise.
20888 * cfglayout.c (fixup_reorder_chain): Likewise.
20889 * cfgrtl.c (create_basic_block_structure,
20890 rtl_create_basic_block): Likewise.
20891 * ifcvt.c (find_if_case_1): Likewise.
20892 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
20895 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
20897 * Makefile.in: Removed rotted odf.c entry.
20899 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
20902 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
20903 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
20904 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
20905 output pattern modifier, not %e.
20906 * config/cris/cris.c (cris_op_str): Update comment about pattern
20908 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
20909 before falling through into...
20910 <case 'E'>: Redefined from old 'e' case.
20912 2006-01-11 Jan Hubicka <jh@suse.cz>
20915 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
20917 2006-01-11 Jan Hubicka <jh@suse.cz>
20919 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
20920 * i386.c (x86_decompose_lea): Kill.
20921 (ix86_rtx_costs): Kill.
20923 2006-01-11 Jan Hubicka <jh@suse.cz>
20925 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
20926 * cgraph.h (cgraph_node): Add inline_decl.
20927 (cgraph_insert_node_to_hashtable): Declare.
20928 (save_inline_function_body): Declare.
20929 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
20931 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
20932 (cgraph_function_versioning): Update call of tree_function_versioning.
20933 (save_inline_function_body): New function.
20934 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
20935 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
20936 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
20937 (cgraph_default_inline_p): Likewise.
20938 (cgraph_decide_inlining_incrementally): Likewise.
20939 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
20940 (copy_bb): Kill saving; do updating of clones.
20941 (copy_cfg_body): Kill saving.
20942 (initialize_inlined-parameters): Likewise.
20943 (expand_call_inline): Likewise.
20945 (tree_function_versioning): New parameter "update_clones".
20946 (inlining_p): Kill saving.
20947 * tree-inline.h (tree_function_versioning): Update prototype.
20948 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
20951 2006-01-11 Ian Lance Taylor <ian@airs.com>
20953 * combine.c (struct undo): Remove is_int. Enumify types of undos.
20954 Allow undoing set of machine mode.
20955 (do_SUBST): Use enums instead of is_int.
20956 (do_SUBST_MODE): New function.
20957 (SUBST_MODE): New macro.
20958 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
20959 reg and trying to replace reg_regno_rtx with a new register.
20960 (undo_all): Use new enums, handle undoing a PUT_MODE change.
20961 (simplify_set): Use SUBST_MODE.
20962 (distribute_notes): Remove code that tried to update reg notes
20963 for regno_reg_rtx changes.
20965 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
20967 PR tree-optimization/23109
20968 PR tree-optimization/23948
20969 PR tree-optimization/24123
20971 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
20972 * tree-cfg.c (single_noncomplex_succ): New.
20973 * tree-flow.h (single_noncomplex_succ): Declare it.
20974 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
20975 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
20976 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
20977 insert_bb, register_division_in, insert_reciprocals,
20978 replace_reciprocal, free_bb): New.
20979 (execute_cse_reciprocals_1): Rewritten.
20980 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
20981 Do not commit any edge insertion. Always compute dominators and
20982 create the allocation pool.
20983 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
20984 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
20985 * targhooks.c (default_min_divistions_for_recip_mul): New.
20986 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
20987 * passes.c (init_optimization_passes): Run recip after tree loop
20989 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
20991 2006-01-11 Danny Berlin <dberlin@dberlin.org>
20992 Kenneth Zadeck <zadeck@naturalbridge.com>
20994 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
20995 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
20996 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
20997 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
20998 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
20999 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
21000 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
21001 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
21002 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
21003 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
21004 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
21005 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
21006 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
21007 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
21008 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
21009 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
21010 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
21011 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
21012 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
21013 DF_SCAN_POST_ALLOC): New macros.
21014 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
21015 df_free_bb_function, df_local_compute_function, df_init_function,
21016 df_dataflow_function, df_confluence_function_0,
21017 df_confluence_function_n, df_transfer_function,
21018 df_finalizer_function, df_free_function, df_dump_problem_function,
21019 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
21020 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
21021 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
21022 df_urec_bb_info, ) New types.
21023 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
21025 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
21026 df_analyze_simple_change_some_blocks,
21027 df_analyze_simple_change_one_block, df_compact_blocks,
21028 df_bb_replace, df_bb_regno_last_use_find,
21029 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
21030 df_insn_regno_def_p, df_find_def, df_find_use,
21031 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
21032 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
21033 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
21034 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
21035 debug_df_chain, df_get_dependent_problem, df_chain_create,
21036 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
21037 df_grow_bb_info, df_chain_dump, df_print_bb_index,
21038 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
21039 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
21040 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
21041 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
21042 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
21043 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
21044 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
21045 df_ref_remove, df_insn_refs_delete, df_refs_delete,
21046 df_reorganize_refs, df_set_state, df_hard_reg_init,
21047 df_read_modify_subreg_p) New public functions.
21048 * df-core.c: The core dataflow solver and glue routines for rtl
21050 (df_init, df_add_problem, df_set_blocks, df_finish,
21051 df_hybrid_search_forward, df_hybrid_search_backward,
21052 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
21053 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
21054 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
21055 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
21056 df_reg_defined, df_find_use, df_reg_used, df_dump,
21057 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
21058 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
21059 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
21060 debug_df_useno, reset_df_after_reload): New functions.
21061 * df-scan.c: The scanning fuctions, once in df.c, completely
21062 rewritten so that they now fully model the functionality of
21063 register usage at the backend.
21064 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
21065 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
21066 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
21067 df_grow_insn_info, df_rescan_blocks, df_ref_create,
21068 df_get_artificial_defs, df_get_artificial_uses,
21069 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
21070 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
21071 df_refs_delete, df_reorganize_refs, df_set_state,
21072 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
21073 df_def_record_1, df_defs_record, df_uses_record,
21074 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
21075 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
21076 df_record_exit_block_uses, df_hard_reg_init): New functions.
21078 * df-problems.c: Seven concrete dataflow problems that use the
21079 scanning in df-scan.c and are solved by the engine in df-core.c.
21080 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
21081 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
21082 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
21083 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
21084 df_ru_free_bb_info, df_ru_alloc,
21085 df_ru_bb_local_compute_process_def,
21086 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
21087 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
21088 df_ru_transfer_function, df_ru_free, df_ru_dump,
21089 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
21090 df_rd_free_bb_info, df_rd_alloc,
21091 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
21092 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
21093 df_rd_transfer_function, df_rd_free, df_rd_dump,
21094 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
21095 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
21096 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
21097 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
21098 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
21099 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
21100 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
21101 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
21102 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
21103 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
21104 df_urec_mark_reg_change, df_urec_check_earlyclobber,
21105 df_urec_mark_reg_use_for_earlyclobber,
21106 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
21107 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
21108 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
21109 df_urec_dump, df_urec_add_problem, df_chain_alloc,
21110 df_chain_create_bb_process_use, df_chain_create_bb,
21111 df_chain_finalize, df_chain_free, df_chains_dump,
21112 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
21113 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
21114 df_reg_lifetime): New functions.
21115 * df.c: Deleted file.
21116 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
21117 consistent with new df api.
21118 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
21119 rest_of_handle_sms): Ditto.
21120 * web.c (unionfind_union, union_defs, entry_register, web_main):
21122 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
21123 invariant_expr_equal_p, find_defs, check_dependencies,
21124 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
21125 free_inv_motion_data, move_loop_invariants): Ditto.
21126 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
21127 Update dependencies.
21128 (odf.c): Added defective entry that was deleted later in day.
21129 * sched-deps.c (sched_analyze_1): Ditto.
21131 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
21133 * tree-ssa-operands.c (get_expr_operands): Record addressable
21134 variables directly. Do not call add_stmt_operands for CONST_DECLs
21136 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
21137 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
21139 2006-01-11 Ben Elliston <bje@au.ibm.com>
21141 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
21142 function returns true in the positive case.
21144 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21147 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
21148 for SI, DI, SF and DF modes. Add alternatives to copy between
21149 general and floating point registers to the 32-bit patterns.
21150 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
21151 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
21152 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
21153 generating 64-bit code.
21154 * config/pa/pa.c (output_move_double): Handle copies between general
21155 and floating registers.
21157 2006-01-10 Stuart Hastings <stuart@apple.com>
21159 * config/i386/i386.md (set_got): Update.
21160 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
21161 (builtin_setjmp_receiver): Mach-O support.
21162 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
21163 (GOT_SYMBOL_NAME): Define.
21164 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
21165 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
21166 * config/i386/i386.c (override_options): Revise for Darwin.
21167 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
21168 support. (darwin_x86_file_end): New. (output_set_got): Add label
21169 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
21170 * config/i386/i386-protos.h (output_set_got): Likewise.
21171 * config/darwin.c (machopic_legitimize_pic_address): Update
21174 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
21176 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
21177 when MODE isn't BLKmode.
21179 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
21181 PR rtl-optimization/25367
21182 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
21184 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
21187 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
21188 for a negative bound.
21190 2006-01-10 Richard Guenther <rguenther@suse.de>
21192 * tree-ssa-structalias.c (get_constraint_for_component_ref):
21193 Never override with anything constraint.
21195 2006-01-10 Jan Beulich <jbeulich@novell.com>
21197 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
21198 256 bits when optimize_size.
21200 2006-01-10 Jan Beulich <jbeulich@novell.com>
21202 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
21204 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
21205 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
21208 2006-01-10 Ben Elliston <bje@au.ibm.com>
21210 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
21212 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
21213 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
21214 (USE_FP_FOR_ARG): Reject decimal float modes.
21215 (function_arg_advance): Likewise.
21216 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
21217 (rs6000_handle_altivec_attribute): Do not permit decimal floating
21218 point types in AltiVec vectors.
21219 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
21220 (rs6000_libcall_value): Likewise.
21222 2006-01-09 Bob Wilson <bob.wilson@acm.org>
21224 * config/xtensa/ieee754-df.S: New file.
21225 * config/xtensa/ieee754-sf.S: New file.
21226 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
21227 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
21228 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
21230 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
21232 * config/sh/predicates.md (binary_float_operator,
21233 binary_logical_operator, commutative_float_operator,
21234 equality_comparison_operator, greater_comparison_operator,
21235 less_comparison_operator, logical_operator,
21236 noncommutative_float_operator, shift_operator,
21237 symbol_ref_operand, unary_float_operator): Remove redundant
21240 2006-01-09 Jeff Law <law@redhat.com>
21242 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
21243 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
21244 now unused arguments. Callers updated.
21245 (eliminate_redundant_computations): Remove now unused arguments,
21247 (local_fold): Remove, no longer used.
21248 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
21250 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
21251 (simplify_cond): New function.
21252 (forward_propagate_into_cond): Call simplify_cond.
21254 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
21256 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
21257 (*vec_extractv2di_1_sse): New.
21259 2006-01-09 Ben Elliston <bje@au.ibm.com>
21261 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
21263 2006-01-08 Richard Guenther <rguenther@suse.de>
21265 * tree-ssa-structalias.c (get_constraint_for): Remove
21266 anyoffset argument.
21267 (get_constraint_for_component_ref): Likewise.
21268 (do_deref): Likewise.
21269 (get_constraint_for): Likewise.
21270 (do_structure_copy): Likewise.
21271 (handle_ptr_arith): Likewise.
21272 (find_func_aliases): Likewise. Remove unused need_anyoffset
21275 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
21276 Kaz Kojima <kkojima@gcc.gnu.org>
21278 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
21279 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
21280 (EXTRA_CONSTRAINT_C16): Remove.
21281 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
21282 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
21283 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
21284 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
21285 constants of SHmedia. Handle nested constant expressions of
21287 (andcosts): Fix the costs for SHmedia constants.
21288 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
21289 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
21290 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
21291 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
21292 (movv4hi_i, movv2si_i): Likewise.
21293 (movsi_const): Adjust the second operand of ior so to match with
21294 the Csu constraint.
21295 (movdi_const, movdi_const_32bit): Likewise.
21296 (movdi_const_16bit+1): Don't sign-extend LOW.
21297 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
21299 (*double_shori): Fix the split condition. Use GEN_INT instead
21300 of get_int_mode calls. Mask lower 16-bit of the argument of
21302 (sym2GOTPLT): Remove.
21303 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
21305 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
21306 instead of EXTRA_CONSTRAINT_C16.
21308 2006-01-07 Ian Lance Taylor <ian@airs.com>
21309 David Edelsohn <edelsohn@gnu.org>
21311 PR rtl-optimization/25662
21312 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
21313 for constant operands instead of simplify_gen_binary.
21314 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
21315 after trying simplify_binary_operation
21317 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
21319 * tree.c (iterative_hash_expr): Hash decls based on UID.
21321 2006-01-06 Eric Christopher <echristo@apple.com>
21323 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
21324 (TARGET_UNWIND_EMIT): Fix spelling.
21325 * target.h (gcc_target): Add except_table_label.
21326 * except.c (output_function_exception_table): Use.
21327 * varasm.c (default_emit_except_table_label): New.
21328 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
21330 (asm_out): Add here.
21331 * output.h (default_emit_except_table_label): Prototype.
21332 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
21333 * config/darwin.c (darwin_emit_except_table_label): Define.
21334 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
21336 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
21338 PR tree-optimization/18527
21339 * tree-ssa-loop-niter.c (number_of_iterations_cond,
21340 number_of_iterations_special, number_of_iterations_exit):
21341 Move base and step of an iv to a single structure. Add
21342 no_overflow flag, and use it in # of iterations analysis.
21343 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
21344 folded_casts argument.
21345 (simple_iv): Pass base and step in a structure. Set no_overflow
21347 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
21348 Evaluate expensiveness of computing # of iterations instead of
21349 the final expression.
21350 * tree-scalar-evolution.h (affine_iv): New structure.
21351 (simple_iv): Declaration changed.
21352 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
21353 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
21354 find_givs_in_stmt): Changed due to simple_iv change.
21356 2006-01-06 Jeff Law <law@redhat.com>
21359 * tree-cfg.c (bsi_replace): Rename final argument from
21360 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
21361 change (stmt -> orig_stmt).
21362 * tree-eh.c (verify_eh_throw_stmt_node): New function.
21363 (bsi_remove): Add new argument. Remove EH information
21365 (verify_eh_throw_table_statements): New function.
21366 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
21368 * tree-optimize.c (execute_free_cfg_annotations): Verify
21369 the EH throw statement table after removing annotations.
21370 * except.h (verify_eh_throw_table_statements): Prototype.
21371 * tree-flow.h (bsi_remove): Update prototype.
21372 * tree-vrp.c (remove_range_assertions): Add new argument to
21374 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
21375 * tree-complex.c (expand_complex_div_wide): Likewise.
21376 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
21377 * tree-tailcall.c (eliminate_tailcall): Likewise.
21378 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
21379 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
21380 * tree-nrv.c (tree_nrv): Likewise.
21381 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
21382 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
21383 (combine_blocks): Likewise.
21384 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
21385 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
21386 (cleanup_control_flow): Likewise.
21387 (remove_forwarder_block): Likewise.
21388 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
21389 * tree-sra.c (sra_replace): Likewise.
21390 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
21391 (forward_propagate_single_use_vars): Likewise.
21392 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
21393 * tree-inline.c (expand_call_inline): Likewise.
21394 * tree-vect-transform.c (vect_transform_loop): Likewise.
21395 * tree-outof-ssa.c (rewrite_trees): Likewise.
21396 * tree-cfg.c (make_goto_expr_edges): Likewise.
21397 (cleanup_dead_labels): Likewise.
21398 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
21399 (bsi_move_before, bsi_move_after): Likewise.
21400 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
21401 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
21403 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
21406 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
21408 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
21409 on non gimple variables. Also add checks at the top for decls and
21411 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
21413 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
21414 and IMAGPART_EXPR for creating MUST_DEFs.
21415 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
21416 and NAME_MEMORY_TAG separately from the DECLs.
21418 2006-01-06 Richard Guenther <rguenther@suse.de>
21420 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
21421 annotation, if necessary.
21422 * tree-ssa-pre.c (create_expression_by_pieces): Remove
21423 redundant calls to update_stmt.
21424 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
21427 2006-01-05 Richard Henderson <rth@redhat.com>
21429 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
21431 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21433 * c-typeck.c: Update copyright date.
21435 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21437 * c-typeck.c (build_c_cast): Always warn when casting
21438 from a pointer to an integer of different size, even if
21439 the node was constant.
21441 2006-01-05 Richard Guenther <rguenther@suse.de>
21443 PR tree-optimization/22555
21444 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
21445 if one structure field is an array.
21446 * tree-ssa-operands.c (get_expr_operands): Continue scanning
21447 operands even if we found a subvar, but ignore VOPs in this
21449 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
21451 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
21453 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
21455 PR middle-end/24998
21456 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
21458 2006-01-05 Richard Guenther <rguenther@suse.de>
21459 Diego Novillo <dnovillo@redhat.com>
21461 * tree-pass.h (TODO_remove_unused_locals): Define.
21462 * gimple-low.c (expand_var_p, remove_useless_vars,
21463 pass_remove_useless_vars): Remove. Update all users.
21464 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
21465 (remove_unused_locals): New function.
21466 * tree-flow.h (remove_unused_locals): Declare.
21467 * passes.c (execute_todo): Call remove_unused_locals if
21468 TODO_remove_unused_locals is set.
21469 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
21470 * tree-ssa-dce.c (pass_dce): Likewise.
21471 * tree-outof-ssa.c (pass_del_ssa): Likewise.
21473 2006-01-05 Richard Guenther <rguenther@suse.de>
21475 * tree-flow.h (struct fieldoff): Decompose field to
21476 type, size and decl.
21477 * tree-ssa-alias.c (create_sft): Take type as parameter.
21478 (create_overlap_variables_for): Store type, size and decl
21479 in the fieldoff structure.
21480 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
21481 of struct fieldoff.
21482 (push_fields_onto_fieldstack): Likewise.
21483 (create_variable_info_for): Likewise. Use offset for the
21484 SFT name if the decl is not available.
21486 2006-01-04 Paul Brook <paul@codesourcery.com>
21488 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
21490 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
21492 * lambda-code.c (can_put_in_inner_loop): Relax
21494 (can_put_after_inner_loop): New function.
21495 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
21496 (perfect_nestify): Change to make copies and modify uses.
21498 2006-01-04 Richard Henderson <rth@redhat.com>
21500 Merge from gomp branch:
21501 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
21502 via integer constant.
21503 (pragma_lex): Remove.
21504 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
21505 rather than parsing it.
21506 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
21507 handle_pragma_extern_prefix): Add %< %> quotes.
21508 (registered_pragmas): New.
21509 (c_register_pragma_1): New.
21510 (c_register_pragma): Use it.
21511 (c_register_pragma_with_expansion): Likewise.
21512 (c_invoke_pragma_handler): New.
21513 (init_pragma): Use cpp_register_deferred_pragma directly for
21515 * c-pragma.h (enum pragma_kind): New.
21516 (pragma_handler): New.
21517 (c_invoke_pragma_handler): Declare.
21518 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
21520 * c-common.h (c_common_pch_pragma): Update decl.
21521 * Makefile.in (c-parser.o): Update dependencies.
21522 (GTFILES): Add c-pragma.h.
21523 * c-parser.c (struct c_token): Add pragma_kind.
21524 (struct c_parser): Add in_pragma.
21525 (c_lex_one_token): Always initialize keyword and pragma_kind.
21526 Extract data for CPP_PRAGMA.
21527 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
21528 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
21529 Don't allow CPP_PRAGMA_EOL if in_pragma.
21530 (c_parser_consume_pragma): New.
21531 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
21532 (c_parser_skip_to_end_of_parameter): Likewise.
21533 (c_parser_skip_to_end_of_block_or_statement): Likewise.
21534 (c_parser_skip_to_pragma_eol): New.
21535 (c_parser_external_declaration): Handle CPP_PRAGMA.
21536 (c_parser_compound_statement_nostart): Likewise.
21537 (c_parser_statement_after_labels): Likewise.
21538 (c_parser_pragma): New.
21539 (pragma_lex): Likewise.
21540 (c_parser_pragma_pch_preprocess): New.
21541 (c_parser_new): Merge into ...
21542 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
21544 2006-01-04 Jeff Law <law@redhat.com>
21547 * tree-cfg.c (bsi_replace): Remove the original statement
21548 from the EH throw statement table.
21550 2006-01-04 Jakub Jelinek <jakub@redhat.com>
21552 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
21553 make the prototype extern "C" and add throw ().
21556 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
21557 and pos non-negative and pos + len <= 32.
21558 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
21559 drop pos + len < HOST_BITS_PER_WIDE_INT test.
21560 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
21563 * c-common.c (handle_vector_size_attribute): Reject zero vector size
21564 as well as sizes not multiple of component size.
21567 * function.c (instantiate_expr): New function.
21568 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
21569 walk its DECL_VALUE_EXPR with instantiate_expr.
21571 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
21572 DW_OP_deref{,_size} if address isn't going to be added.
21574 2006-01-04 Ben Elliston <bje@au.ibm.com>
21576 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
21577 * config/fp-bit.c: Likewise.
21579 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
21581 * dominance.c: Add comment about why we use DFS numbering
21584 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21585 Richard Henderson <rth@redhat.com>
21587 Merge from gomp-branch:
21588 * varasm.c (assemble_variable): Handle thread-local COMMON data.
21589 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
21591 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
21593 PR rtl-optimization/25578
21594 * combine.c (combine_simplify_rtx, force_to_mode): Don't
21595 pass a parameter to simplify_shift_const if changing ASHIFTRT
21598 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
21600 * builtins.c (get_builtin_sync_mem): New function.
21601 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
21602 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
21603 Call get_builtin_sync_mem to generate mem rtx.
21605 2006-01-03 Richard Guenther <rguenther@suse.de>
21608 * stmt.c (add_case_node): Make sure to clear overflow flags
21611 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21613 Merge from gomp-branch.
21614 * config/sparc/sync.md: New file.
21615 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
21616 UNSPECV_LDSTUB): New constants.
21617 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
21618 * config/sparc/predicates.md (memory_reg_operand): New predicate.
21619 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
21622 2006-01-03 Roger Sayle <roger@eyesopen.com>
21624 * combine.c (reg_subword_p): New predicate to test whether the
21625 destination of a set refers to a subword/piece of a register.
21626 (try_combine): Generalize the code to merge the setting of a
21627 pseudo to a constant followed by a set of a subword of that
21628 register to a constant.
21630 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
21632 * basic-block.h (control_flow_graph): Change the type of
21633 x_label_to_block_map to VEC(basic_block,gc) *.
21634 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
21635 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
21637 * tree-ssa-propagate.c (cfg_blocks): Change the type to
21638 VEC(basic_block,heap) *.
21639 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
21640 ssa_prop_fini): Adjust the uses of cfg_blocks.
21642 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
21644 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
21646 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
21647 hashing trees instead of a pointer hash.
21648 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
21649 compare for MEM_EXPR.
21651 PR rtl-optimization/25130
21652 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
21653 when comparing MEMs for GCSE
21655 2006-01-03 Ben Elliston <bje@au.ibm.com>
21657 * targhooks.h (default_decimal_float_supported_p): Declare.
21658 * targhooks.c (default_decimal_float_supported_p): Define.
21659 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
21660 `default_decimal_float_supported_p'.
21661 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
21663 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
21665 * combine.c (apply_distributive_law <SUBREG>): Check
21666 TRULY_NOOP_TRUNCATION.
21668 2006-01-02 Geoffrey Keating <geoffk@apple.com>
21670 * dwarf2out.c (have_switched_text_section): Delete.
21671 (have_multiple_function_sections): New.
21672 (have_location_lists): Make 'bool'.
21673 (add_AT_loc_list): Use 'true' not '1'.
21674 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
21675 (output_loc_list): Use have_multiple_function_sections.
21676 (output_ranges): Likewise.
21677 (dwarf2out_begin_function): Set have_multiple_function_sections if
21679 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
21680 Check function_section rather than DECL_SECTION_NAME.
21681 (dwarf2out_finish): Use have_multiple_function_sections.
21682 Don't clear have_location_lists.
21684 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
21685 Jan Hubicka <jh@suse.cz>
21687 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
21688 case of conditional jump jumping to the next instruction.
21689 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
21690 cases of conditional jump jumping to the next instruction.
21692 2006-01-02 Jan Hubicka <jh@suse.cz>
21694 * i386.c (*_cost): Add COSTS_N_INSNS.
21695 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
21697 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
21700 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
21702 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
21704 * config/arm/arm.c (all_fpus): Fix comment typo.
21705 * config/darwin.c: Likewise.
21706 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
21707 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
21708 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
21710 2006-01-01 David Edelsohn <edelsohn@gnu.org>
21712 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
21713 (rs6000_split_compare_and_swapqhi): New.
21714 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
21715 (sync_compare_and_swapqhi_internal): New.
21716 * config/rs6000/rs6000-protos.h: Declare.