1 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
5 patterns. Correct length of high:DI instruction sequence.
7 2006-12-08 Mike Stump <mrs@apple.com>
9 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
10 libgcc with -mmacosx-version-min=10.4.
11 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
12 G4 for 10.5+ unless doing kernel builds.
14 2006-12-08 Uros Bizjak <ubizjak@gmail.com>
17 * reg-stack.c (convert_regs_entry): Mark current argument passing
20 * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
21 of float arguments in x87 registers.
23 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
25 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
27 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
29 * recog.c (mode_dependent_address_p): Identify pre-increment,
30 pre-decrement, post-increment and post-decrement addressing as always
32 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
33 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
34 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
35 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
36 PRE_INC and POST_INC checks.
37 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
38 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
39 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
40 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
41 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
42 PRE_INC, POST_DEC and POST_INC cases.
43 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
44 Delete POST_INC and PRE_DEC cases.
45 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
47 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
48 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
50 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
51 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
52 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
53 PRE_INC and PRE_DEC cases.
54 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
55 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
56 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
57 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
58 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
59 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
61 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
63 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
65 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
67 * Makefile.in: Add new file tree-ssa-ter.c.
68 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
69 free_temp_expr_table, add_value_to_version_list,
70 add_value_to_partition_list, remove_value_from_partition_list,
71 add_dependence, check_replaceable, finish_expr, mark_replaceable,
72 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
73 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
74 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
76 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
77 (struct value_expr_d): Remove.
78 (struct temp_expr_table_d): Rename fields, add explicit vector of
79 replaceable expressions instead of sharing. Change value_expr_p's to
80 bitmap. Delete free_list.
81 (new_temp_expr_table): Rename fields, count number of ssa_names in
83 (free_temp_expr_table): Rename field, free new fields.
84 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
85 add_info_to_list, remove_value_from_list): Delete.
86 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
87 (make_dependent_on_partition): New. Set bit in version list, allocating
89 (add_to_partition_kill_list): New. Set bit in the partition list,
90 allocating a bitmap if need be.
91 (remove_from_partition_kill_list): New. Remove a bit from the
92 partition list, free the bitmap if it is empty.
93 (add_dependence): Use renamed field, cleanup. Don't add a dependence
94 on partitions with only one member.
95 (is_replaceable_p): New. Split out replaceability check from
97 (process_replaceable): New. Code split from check_replaceable.
98 (check_replaceable): Removed.
99 (finished_with_expr): Renamed from finish_expr.
100 (kill_expr): Use renamed fields and less parameters.
101 (kill_virtual_exprs): Less parameters.
102 (mark_replaceable): Use renamed fields.
103 (find_replaceable_in_bb): Use renamed fields, cleanup.
104 (find_replaceable_exprs): Use renamed routines, cleanup.
105 (dump_replaceable_exprs): Don't go past end of ssa_names list.
106 (debug_ter): New. Debug routine to dump state.
108 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
110 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
111 anything involving the GOT.
112 (bfin_adjust_cost): Don't take the REGNO of a MEM.
113 (trapping_loads_p): Look inside the pattern of an insn to find the
115 * config/bfin/bfin.md (attr "type"): Add movcc.
116 (insn_reservation "alu"): Likewise.
117 (movsicc_insn1, movsicc_insn2): Change type to movcc.
119 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
121 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
122 (spu_resolve_overloaded_builtin): Check for non scalar instead
123 of vector type and check the function call argument type also for
125 Call build_function_call instead of spu_build_overload_builtin.
127 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
129 * config/spu/spu.c (array_to_constant): Correct the order of arguments
130 to the calls of hwint_to_const_double.
132 2006-12-07 Nick Clifton <nickc@redhat.com>
134 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
135 elf_record_gcc_switches.
137 2006-12-07 Andrew Macleod <amacleod@redhat.com>
139 * expr.c (string_constant): Account for non-zero lower bound arrays.
141 2006-12-07 Richard Guenther <rguenther@suse.de>
143 * builtins.c (expand_builtin_pow): Adjust predicates for
144 pow to cbrt expansion to unsafe math and !HONOR_NANS for
147 2006-12-07 Jan Hubicka <jh@suse.cz>
149 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
152 2006-12-07 Jan Hubicka <jh@suse.cz>
154 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
155 use fold_constant_to_binary; tolerate wrong type constants.
156 (value_intersect_p): Do just two tests.
158 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
160 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
161 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
162 lshifthi3): Use it, and fix the order of alternatives.
164 2006-12-07 Nick Clifton <nickc@redhat.com>
166 * common.opt (record-gcc-switches): New command line switch.
167 * target.h (print_switch_type): New enum.
168 (print_switch_fn_type): New typedef for a function pointer.
169 (struct gcc_target): Add record_gcc_switches and
170 record_gcc_switches_section fields.
171 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
173 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
175 * toplev.c (print_single_switch): Simplify by providing a
176 pointer to function that will format and output the switch
178 (print_switch_values): Likewise.
179 (print_to_asm_out_file): New function.
180 (print_to_stderr): New function.
181 (init_asm_output): If flag_record_gcc_switches is set then if
182 the target supports recording the switches then emit them into
183 the assembler output file, otherwise tell the user that the
184 switch is not supported.
185 * varasm.c (eld_record_gcc_switches): New function. Example
186 handler for the record_gcc_switches target hook.
187 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
189 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
190 * doc/invoke.texi (-frecord-gcc-switches): Document.
192 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
195 * sched-rgn.c (add_block1): Use correct initializer.
197 2006-12-07 Richard Guenther <rguenther@suse.de>
199 * tree-vect-transform.c (vectorizable_call): Fix leftover of
200 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
202 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
205 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
206 not GIMPLE_MODIFY_STMT.
208 2006-12-06 Jan Hubicka <jh@suse.cz>
210 * tree-vrp.c (operand_less_p): New.
211 (compare_values, value_inside_range): Rewrite in terms of
214 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
216 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
218 (length_immediate): Do not depend on cld type attribute.
219 (length_address): Ditto.
222 (cld): Remove insn pattern.
223 (strmov_singleop): Do not use DIRFLAG_REG.
224 (*strmovdi_rex_1): Ditto.
225 (*strmovsi_1): Ditto.
226 (*strmovsi_rex_1): Ditto.
227 (*strmovhi_1): Ditto.
228 (*strmovhi_rex_1): Ditto.
229 (*strmovqi_1): Ditto.
230 (*strmovqi_rex_1): Ditto.
232 (*rep_movdi_rex64): Ditto.
234 (*rep_movsi_rex64): Ditto.
236 (*rep_movqi_rex64): Ditto.
237 (strset_singleop): Ditto.
238 (*strsetdi_rex_1): Ditto.
239 (*strsetsi_1): Ditto.
240 (*strsetsi_rex_1): Ditto.
241 (*strsethi_1): Ditto.
242 (*strsethi_rex_1): Ditto.
243 (*strsetqi_1): Ditto.
244 (*strsetqi_rex_1): Ditto.
246 (*rep_stosdi_rex64): Ditto.
247 (*rep_stossi): Ditto.
248 (*rep_stossi_rex64): Ditto.
249 (*rep_stosqi): Ditto.
250 (*rep_stosqi_rex64): Ditto.
251 (cmpstrnsi): Do not generate cld insn.
252 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
253 (*cmpstrnqi_nz_1): Ditto.
254 (*cmpstrnqi_nz_rex_1): Ditto.
255 (cmpstrnqi_1): Ditto.
256 (*cmpstrnqi_1): Ditto.
257 (*cmpstrnqi_rex_1): Ditto.
259 (*strlenqi_1): Ditto.
260 (*strlenqi_rex_1): Ditto.
262 * config/i386/geode.md (shift): Do not depend on cld type attribute.
263 * config/i386/pentium.md (pent_cld): Remove insn reservation.
264 * config/i386/athlon.md (athlon_decode): Do not depend on cld
266 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
267 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
269 (k6_alux_only_load): Ditto.
270 (k6_alux_only_store): Ditto.
272 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
273 Do not emit cld instruction.
274 (ix86_expand_setmem): Ditto.
275 (ix86_expand_strlen): Do not emit cld instruction.
277 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
279 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
282 2006-12-06 Diego Novillo <dnovillo@redhat.com>
284 * gdbinit.in: Set complaints to 0.
286 2006-12-06 Jan Hubicka <jh@suse.cz>
288 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
289 ALONE_MEM_STAT_DECL): New macros.
290 * bitmap.h: Include statistics.h
291 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
292 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
293 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
294 * bitmap.c: Include hashtab.h
295 (bitmap_descriptor): New.
296 (bitmap_hash): New static variable
297 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
298 New static functions.
299 (bitmap_register): New.
300 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
301 bitmap_obstack_release): Do accounting.
302 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
304 (bitmap_gc_alloc_stat): Likewise.
305 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
306 (print_statistics, dump_bitmap_statistics): New functions.
307 * toplev.c (finalize): Dump bitmap statistics.
309 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
311 * reload1.c (delete_output_reload): Count occurrences in
312 CALL_INSN_FUNCTION_USAGE.
313 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
314 crashing at the end of the list.
316 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
318 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
319 Optimize to avoid marking more SMT's as used when they aren't.
321 2006-12-05 Eric Christopher <echristo@apple.com>
323 * config/i386/i386.c (x86_output_aligned_bss): Move out
324 of COMMON_ASM_OP ifdef.
326 2006-12-05 Eric Christopher <echristo@apple.com>
328 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
329 (STARTFILE_SPEC): Use.
330 (DARWIN_DYLIB1_SPEC): New.
331 (DARWIN_CRT1_SPEC): New.
332 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
334 * config/i386/darwin.h: Ditto.
335 * config/rs6000/darwin.h: Ditto.
337 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
339 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
340 * tree-complex.c (pass_lower_complex): Ditto.
341 * tree-ssa-ccp.c (pass_ccp): Ditto.
342 (pass_store_ccp): Ditto.
343 * tree-ssa-dom.c (pass_dominator): Ditto.
344 (pass_phi_only_cprop): Ditto.
345 * tree-sra.c (pass_sra): Ditto.
346 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
347 * tree-flow.h (updating_used_alone): Remove.
348 (updating_used_alone): Ditto.
349 * tree-ssa-alias.c (updating_used_alone): Remove variable.
350 (lhs_may_store_to): Remove function.
351 (recalculate_used_alone): Ditto.
352 (compute_may_aliases): Remove used_alone calculation.
353 * tree.h (struct tree_memory_tag): Remove is_used_alone and
354 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
355 * tree-pass.h (PROP_smt_usage): Remove.
356 * passes.c (execute_todo): Remove used alone recalculation.
357 (execute_one_pass): Ditto.
358 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
361 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
363 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
365 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
367 PR tree-optimization/14784
368 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
370 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
372 Merge from gimple-tuples-branch.
374 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
376 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
378 (s390_gimplify_va_arg): Same.
379 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
380 * config/sh/sh.c (sh_va_start): Same.
381 (sh_gimplify_va_arg_expr): Same.
382 * config/xtensa/xtensa.c (xtensa_va_start): Same.
383 (xtensa_gimplify_va_arg_expr): Same.
384 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
385 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
386 * config/mips/mips.c (mips_va_start): Same.
387 (mips_gimplify_va_arg_expr): Same.
389 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
391 * Merge from mainline at revision 119445.
393 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
395 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
397 (spu_gimplify_va_arg_expr): Same.
399 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
401 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
402 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
403 (xstormy16_expand_builtin_va_arg): Same.
405 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
407 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
408 to GIMPLE_MODIFY_STMT.
410 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
412 * config/alpha/alpha.c (va_list_skip_additions): Change all
413 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
414 (alpha_va_start): Same.
415 (alpha_gimplify_va_arg_1): Same.
416 (alpha_gimplify_va_arg): Same.
418 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
420 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
422 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
424 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
425 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
427 * tree-complex.c: Same.
428 * tree-pretty-print.c: Same.
432 * fold-const.c: Same.
433 * tree-ssa-dom.c: Same.
434 * tree-ssa-propagate.c: Same.
435 * tree-ssa-alias.c: Same.
436 * gimple-low.c: Same.
438 * c-pretty-print.c: Same.
440 * tree-inline.c: Same.
441 * tree-outof-ssa.c: Same.
442 * tree-ssa-structalias.c: Same.
443 * tree-ssa-reassoc.c: Same.
446 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
448 * tree.c (build2_stat): Fix comment.
450 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
452 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
453 TREE_OPERAND when appropriate.
455 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
457 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
458 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
459 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
460 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
461 not handle GIMPLE_MODIFY_STMT in the switch statement.
462 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
463 (java_gimplify_new_array_init): Same.
465 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
467 * gimplify.c (gimplify_omp_for): Allow gimple statements.
468 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
469 * fold-const.c (fold_binary): Allow gimple statements.
471 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
472 Rename from gfc_conv_descriptor_data_set.
473 Call gfc_add_modify instead of gfc_add_modify_expr.
474 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
475 Rename from gfc_conv_descriptor_data_set.
476 (gfc_conv_descriptor_data_set): New macro.
477 (gfc_conv_descriptor_data_set_tuples): New macros.
478 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
479 gfc_conv_descriptor_data_set_tuples.
480 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
481 Generate GIMPLE_MODIFY_STMT when appropriate.
482 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
483 (gfc_add_modify_expr): New macro.
484 (gfc_add_modify_stmt): New macro.
485 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
487 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
489 * Merge from mainline at revision 118200.
491 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
493 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
496 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
498 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
500 Also, add __extension__ to GCC versions.
501 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
502 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
505 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
507 * tree-complex.c (expand_complex_libcall): Adjust for
509 (expand_complex_comparison): Same.
510 * tree-pretty-print.c (dump_generic_node): Is_expr should include
511 GIMPLE_STMT_P statements.
512 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
514 (tree_mod_pow2_value_transform): Same.
515 (tree_mod_subtract_transform): Same.
516 * tree.c (build2_stat): Check for gimplified function in cfun.
517 * tree.h (DECL_GIMPLIFIED): Delete.
518 (struct tree_function_decl): Remove gimplified_flag.
519 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
520 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
521 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
522 (cxx_omp_clause_copy_ctor): Same.
523 (cxx_omp_clause_assign_op): Same.
524 * c-pretty-print.c (pp_c_conditional_expression): Same.
525 (pp_c_expression): Same.
526 * langhooks.c (lhd_omp_predetermined_sharing): Same.
527 * function.h (struct function): Add gimplified field.
528 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
530 (find_phi_replacement_condition): Same.
531 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
532 (gimplify_modify_expr_to_memset): Same.
533 (gimplify_init_ctor_eval_range): Same.
534 (gimplify_modify_expr_complex_part): Same.
535 (tree_to_gimple_tuple): Same.
536 (gimplify_modify_expr): Same.
537 (gimple_push_cleanup): Same.
538 (gimplify_omp_for): Same.
539 (gimplify_omp_atomic_pipeline): Same.
540 (gimplify_omp_atomic_mutex): Same.
541 (gimplify_expr): Same.
542 (gimplify_one_sizepos): Same.
543 (gimplify_function_tree): Same.
544 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
545 (vect_recog_widen_sum_pattern): Same.
546 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
547 (vect_create_epilog_for_reduction): Same.
548 (vectorizable_reduction): Same.
550 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
552 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
553 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
554 (ifc_temp_var): Same.
555 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
556 for gimple statements.
557 (vect_analyze_operations): Same.
558 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
559 * gimplify.c (gimplify_return_expr): Handle gimple statements.
560 * lambda-code.c (can_put_in_inner_loop): Same.
561 (can_put_after_inner_loop): Same.
562 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
563 (vect_create_data_ref_ptr): Same.
564 (vect_init_vector): Same.
565 (vect_get_vec_def_for_operand): Same.
566 (vect_create_epilog_for_reduction): Same.
567 (vectorizable_reduction): Same.
568 (vectorizable_assignment): Same.
569 (vectorizable_operation): Same.
570 (vectorizable_load): Same.
571 (vectorizable_condition): Same.
572 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
573 (rs6000_gimplify_va_arg): Same.
575 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
577 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
579 (simplify_abs_using_ranges): Same.
580 * tree-complex.c (expand_complex_operations_1): Use
581 PROTECTED_TREE_OPERAND.
582 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
584 (get_val_for): Use GIMPLE_STMT_OPERAND.
585 * tree-tailcall.c (adjust_accumulator_values): Same.
586 (adjust_return_value): Same.
587 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
588 case. Remove special case for tcc_gimple_stmt.
589 * tree.h (CAN_HAVE_LOCATION_P): New.
590 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
592 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
593 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
594 * tree-nrv.c (execute_return_slot_opt): Same.
595 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
596 * tree-vn.c (set_value_handle): Same.
597 (get_value_handle): Same.
598 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
599 * tree-vectorizer.c (find_loop_location): Same.
600 * c-typeck.c (c_process_expr_stmt): Same.
601 (c_finish_stmt_expr): Same.
602 * gimplify.c (should_carry_locus_p): Same.
603 (tree_to_gimple_tuple): Delete definition and use of unecessary
604 variable save_tree_block.
605 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
606 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
607 (realify_fake_stores): Same.
608 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
610 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
611 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
612 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
613 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
614 (c_parser_statement_after_labels): Same.
615 (c_parser_paren_condition): Same.
616 (c_parser_for_statement): Same.
617 (c_parser_omp_for_loop): Same.
618 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
619 (linearize_expr_tree): Same.
620 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
621 * function.c (instantiate_expr): Same.
623 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
625 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
626 (set_expr_location): Same.
628 (set_expr_locus): Same.
629 (expr_filename): Same.
631 (tree_block): Use GIMPLE_STMT_BLOCK.
632 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
633 * tree.h (struct gimple_stmt): Remove prev and next.
634 (GIMPLE_STMT_OPERAND_CHECK): New.
635 (TREE_TO_GIMPLE_STMT): Delete.
636 (GIMPLE_STMT_TO_TREE): Delete.
637 (GIMPLE_STMT_OPERAND): Use union, not cast.
638 (GIMPLE_STMT_LOCUS): New.
639 (GIMPLE_STMT_BLOCK): New.
640 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
642 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
644 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
646 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
648 * tree-tailcall.c (adjust_return_value): Same.
649 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
650 (copy_node_stat): Change common.base to base.
651 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
652 Remove GIMPLE_STATEMENT_LIST case.
653 * tree.h (struct gimple_stmt): Make operands of type tree.
654 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
655 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
656 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
657 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
658 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
659 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
660 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
661 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
662 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
663 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
664 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
665 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
666 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
667 Change common.base to base.
668 (GIMPLE_STATEMENT_LIST*): Remove.
669 (union tree_node): Add base. Remove gimple_statement_list.
670 Remove pointer from gstmt.
671 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
672 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
673 * tree-vn.c (vn_compute): Change common.base to base.
674 * tree-eh.c (verify_eh_throw_stmt_node): Same.
675 * tree-flow-inline.h (var_ann): Same.
676 (function_ann): Same.
678 (mark_non_addressable): Same.
679 * gimplify.c (tree_to_gimple_tuple): Same.
680 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
681 * tree-dfa.c (create_var_ann): Change common.base to base.
682 (create_function_ann): Same.
683 (create_stmt_ann): Same.
684 (create_tree_ann): Same.
685 (collect_dfa_stats_r): Same.
686 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
687 * tree-ssa-dce.c (NECESSARY): Same.
688 * tree-ssa.c (delete_tree_ssa): Same.
689 * tree-optimize.c (execute_free_cfg_annotations): Same.
692 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
694 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
695 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
697 * tree.h (struct gimple_stmt): Add prev and next fields.
698 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
699 (GIMPLE_STATEMENT_LIST_HEAD): New.
700 (GIMPLE_STATEMENT_LIST_TAIL): New.
701 (struct gimple_statement_list): New.
702 (union tree_node): Add gimple_stmt_list and gstmt.
703 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
704 * tree.def: Add GIMPLE_STATEMENT_LIST.
706 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
708 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
709 * tree-vrp.c (build_assert_expr_for): Change uses of
710 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
711 (find_assert_locations): Same.
712 (remove_range_assertions): Same.
713 (stmt_interesting_for_vrp): Same.
714 (vrp_visit_assignment): Same.
715 (vrp_visit_stmt): Same.
716 (simplify_cond_using_ranges): Same.
717 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
719 * tree-ssa-loop-im.c (movement_possibility): Change uses of
720 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
722 (determine_invariantness_stmt): Same.
724 (gather_mem_refs_stmt): Same.
725 * tree-complex.c (init_dont_simulate_again): Same.
726 (complex_visit_stmt): Same.
727 (set_component_ssa_name): Same.
728 (expand_complex_move): Same.
729 (expand_complex_div_wide): Same.
730 (expand_complex_comparison): Same.
731 (expand_complex_operations_1): Same.
732 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
733 (chain_of_csts_start): Same.
734 (infer_loop_bounds_from_undefined): Same.
735 * tree-pretty-print.c (dump_generic_node): Same.
738 * tree-ssa-loop-manip.c (create_iv): Same.
739 * value-prof.c (tree_divmod_fixed_value): Same.
740 (tree_divmod_fixed_value_transform): Same.
741 (tree_mod_pow2): Same.
742 (tree_mod_pow2_value_transform): Same.
743 (tree_mod_subtract): Same.
744 (tree_mod_subtract_transform): Same.
745 (tree_divmod_values_to_profile): Same.
746 * tree-tailcall.c (process_assignment): Same.
747 (find_tail_calls): Same.
748 (adjust_accumulator_values): Same.
749 (adjust_return_value): Same.
750 (eliminate_tail_call): Same.
751 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
752 (make_node_stat): Same.
753 (copy_node_stat): Handle gimple tuples.
754 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
755 (tree_node_structure): Handle tcc_gimple_stmt.
756 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
758 (build2_gimple_stat): New.
759 (expr_location): New.
760 (set_expr_location): New.
761 (expr_has_location): New.
763 (set_expr_locus): New.
764 (expr_filename): New.
766 (walk_tree): Handle tcc_gimple_stmt.
768 (protected_tree_operand): New.
769 (protected_tree_type): New.
770 (tree_code_kind): Add gimple statements.
771 * tree.h (tree_code_class): Add tcc_gimple_stmt.
772 (IS_GIMPLE_STMT_CODE_CLASS): New.
773 (struct tree_base): New.
774 (struct tree_common): Shrink.
775 (struct gimple_stmt): New.
776 (struct gimple_expr): New.
777 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
778 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
779 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
780 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
781 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
782 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
783 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
784 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
785 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
786 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
787 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
788 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
789 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
790 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
791 Adjust for new `common' layout.
792 (struct tree_function_decl): Add gimplified_flag.
793 (DECL_GIMPLIFIED): NEW.
794 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
795 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
796 EXPR_HAS_LOCATION): Call corresponding function.
797 (GIMPLE_STMT_CHECK): New.
798 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
799 (TREE_BLOCK): Call tree_block.
800 (GIMPLE_STMT_P): New.
801 (GIMPLE_TUPLE_P): New.
802 (TREE_TO_GIMPLE_STMT): New.
803 (GIMPLE_STMT_TO_TREE): New.
804 (GIMPLE_STMT_OPERAND): New.
805 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
806 (PROTECTED_TREE_OPERAND): New.
807 (PROTECTED_TREE_TYPE): New.
808 (build2_gimple_stat): Protoize.
809 (build2_gimple): New.
810 (expr_location): Protoize.
811 (set_expr_location): Protoize.
812 (expr_has_location): Protoize.
813 (expr_locus): Protoize.
814 (set_expr_locus): Protoize.
815 (expr_filename): Protoize.
816 (expr_lineno): Protoize.
817 (tree_block): Protoize.
818 (protected_tree_operand): Protoize.
819 (protected_tree_type): Protoize.
820 (enum tree_node_kind): Add gimple_stmt_kind.
821 * c-decl.c (union lang_tree_node): Tuples do not have a
823 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
824 GIMPLE_MODIFY_STMT and adjust accordingly.
825 * tree-scalar-evolution.c (follow_ssa_edge): Same.
826 (interpret_condition_phi): Same.
827 (pointer_used_p): Same.
828 (analyze_scalar_evolution_1): Same.
829 (scev_const_prop): Same.
830 (interpret_rhs_modify_stmt): Rename from
831 interpret_rhs_modify_expr.
832 * builtins.c (std_expand_builtin_va_start): Change uses of
833 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
834 (std_gimplify_va_arg_expr): Same.
835 (expand_builtin_va_copy): Same.
836 (integer_valued_real_p): Same.
837 * fold-const.c (maybe_lvalue_p): Same.
839 (tree_expr_nonnegative_p): Same.
840 (tree_expr_nonzero_p): Same.
841 * omp-low.c (extract_omp_for_data): Same.
842 (lower_rec_input_clauses): Same.
843 (lower_reduction_clauses): Same.
844 (lower_copyprivate_clauses): Same.
845 (lower_send_clauses): Same.
846 (lower_send_shared_vars): Same.
847 (expand_parallel_call): Same.
848 (expand_omp_parallel): Same.
849 (expand_omp_for_generic): Same.
850 (expand_omp_for_static_nochunk): Same.
851 (expand_omp_for_static_chunk): Same.
852 (expand_omp_sections): Same.
853 (lower_omp_single_copy): Same.
854 (lower_omp_parallel): Same.
855 * tree-ssa-dse.c (memory_address_same): Same.
856 (dse_optimize_stmt): Same.
857 * ipa-reference.c (scan_for_static_refs): Same.
858 * tree-gimple.c (is_gimple_reg_rhs): Same.
859 (get_call_expr_in): Same.
860 (recalculate_side_effects): Same.
861 * cgraphunit.c (cgraph_create_edges): Same.
862 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
863 * tree-ssa-ccp.c (get_default_value): Same.
864 (likely_value): Same.
865 (visit_assignment): Same.
866 (ccp_visit_stmt): Same.
867 (get_maxval_strlen): Same.
868 (ccp_fold_builtin): Same.
869 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
870 (find_givs_in_stmt): Same.
871 (find_interesting_uses_op): Same.
872 (find_interesting_uses_stmt): Same.
873 (rewrite_use_nonlinear_expr): Same.
874 * ipa-pure-const.c (scan_function): Same.
875 * tree-stdarg.c (va_list_counter_bump): Same.
876 (check_all_va_list_escapes): Same.
877 (execute_optimize_stdarg): Same.
878 * tree-ssa-math-opts.c (compute_merit): Same.
879 (insert_reciprocals): Same.
880 (execute_cse_reciprocals): Same.
881 * tree-ssa-dom.c (initialize_hash_element): Same.
882 (simple_iv_increment_p): Same.
883 (record_equivalences_from_stmt): Same.
884 (optimize_stmt): Same.
885 (remove_stmt_or_phi): Same.
886 (get_rhs_or_phi_arg): Same.
887 (get_lhs_or_phi_result): Same.
888 (propagate_rhs_into_lhs): Same.
889 * tree-nrv.c (tree_nrv): Same.
890 (execute_return_slot_opt): Same.
891 * tree-ssa-propagate.c (get_rhs): Same.
893 (stmt_makes_single_load): Same.
894 (stmt_makes_single_store): Same.
895 (replace_vuses_in): Same.
896 (fold_predicate_in): Same.
897 (substitute_and_fold): Same.
898 * tree-ssa-alias.c (compute_call_clobbered): Same.
899 (recalculate_used_alone): Same.
900 (count_uses_and_derefs): Same.
901 (is_escape_site): Same.
902 (find_used_portions): Same.
903 * gimple-low.c (lower_stmt): Same.
904 (block_may_fallthru): Same.
905 (lower_return_expr): Same.
906 * tree-ssa-sink.c (is_hidden_global_store): Same.
907 (statement_sink_location): Same.
908 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
909 * expr.c (safe_from_p): Same.
910 (expand_expr_real): Same.
911 (expand_expr_real_1): Same.
912 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
913 * predict.c (expr_expected_value): Same.
914 (strip_builtin_expect): Same.
915 (apply_return_prediction): Same.
916 (tree_bb_level_predictions): Same.
917 (tree_estimate_probability): Same.
918 * tree-vn.c (vn_compute): Same.
919 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
920 (remove_stmt_from_eh_region_fn): Same.
921 (do_return_redirection): Same.
922 (honor_protect_cleanup_actions): Same.
923 (lower_try_finally_switch): Same.
924 (lower_eh_constructs_1): Same.
925 (tree_could_throw_p): Same.
926 (verify_eh_throw_stmt_node): Same.
927 * function.c (gimplify_parameters): Same.
928 * tree-vectorizer.c (vect_is_simple_use): Same.
929 (vect_is_simple_reduction): Same.
930 * ipa-type-escape.c (scan_for_refs): Same.
931 * tree-if-conv.c (tree_if_conversion): Same.
932 (tree_if_convert_stmt): Same.
933 (if_convertible_gimplify_modify_stmt_p): Rename from
934 if_convertible_modify_expr_p.
935 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
936 (ifc_temp_var): Same.
937 (replace_phi_with_cond_modify_stmt): Rename from
938 replace_phi_with_cond_modify_expr.
939 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
940 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
941 * tree-data-ref.c (find_data_references_in_loop): Adjust for
943 * tree-flow-inline.h (var_ann): Same.
944 (function_ann): Same.
946 (mark_non_addressable): Same.
947 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
948 * gimplify.c (tree_to_gimple_tuple): New.
949 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
950 (gimplify_return_expr): Same.
951 (gimplify_decl_expr): Same.
952 (gimplify_self_mod_expr): Same.
953 (gimplify_cond_expr): Same.
954 (gimplify_init_constructor): Same.
955 (gimplify_modify_expr): Same.
956 (gimplify_expr): Same.
957 (gimplify_function_tree): Same.
958 (force_gimple_operand): Same.
959 * tree-ssa-phiopt.c (conditional_replacement): Same.
960 (minmax_replacement): Same.
961 (abs_replacement): Same.
962 * tree-dfa.c (create_var_ann): Same.
963 (create_function_ann): Same.
964 (create_stmt_ann): Same.
965 (create_tree_ann): Same.
966 (collect_dfa_stats_r): Same.
967 * tree-ssa-pre.c (find_or_generate_expression): Same.
968 (create_expression_by_pieces): Same.
969 (try_look_through_load): Same.
970 (insert_fake_stores): Same.
971 (realify_fake_stores): Same.
972 (compute_avail): Same.
975 (poolify_modify_stmt): Rename from poolify_modify_stmt.
976 Adjust for GIMPLE_MODIFY_STMT.
977 (NECESSARY): Adjust for new `common' layout.
978 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
980 * tree-sra.c (sra_walk_modify_stmt): Rename from
981 sra_walk_modify_expr.
982 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
983 (generate_copy_inout): Same.
984 (generate_element_copy): Same.
985 (generate_element_zero): Same.
986 (scalarize_copy): Same.
987 * tree-mudflap.c (mf_decl_cache_locals): Same.
988 (mf_build_check_statement_for): Same.
989 (mf_xform_derefs): Same.
990 * ipa-prop.c (ipa_method_modify_stmt): Same.
991 * print-tree.c (print_node): Handle gimple tuples.
992 Add case for tcc_gimple_stmt.
993 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
995 (copy_prop_visit_assignment): Same.
996 (copy_prop_visit_stmt): Same.
997 (init_copy_prop): Same.
998 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
999 (forward_propagate_into_cond_1): Same.
1000 (find_equivalent_equality_comparison): Same.
1001 (tidy_after_forward_propagate_addr): Same.
1002 (forward_propagate_addr_expr_1): Same.
1003 (simplify_not_neg_expr): Same.
1004 (simplify_switch_expr): Same.
1005 * tree-ssa-dce.c (find_pdom): Same.
1006 (mark_stmt_if_obviously_necessary): Same.
1007 (NECESSARY): Adjust for new `common' layout.
1008 * tree-flow.h: Same.
1009 * tree-vect-patterns.c (widened_name_p): Adjust for
1011 (vect_recog_dot_prod_pattern): Same.
1012 (vect_recog_widen_sum_pattern): Same.
1013 (vect_pattern_recog_1): Same.
1014 * tree-nested.c (init_tmp_var): Same.
1015 (save_tmp_var): Same.
1017 (convert_call_expr): Same.
1018 (finalize_nesting_tree_1): Same.
1019 * tree-ssa.c (verify_ssa): Same.
1020 (delete_tree_ssa): Same.
1021 * lambda-code.c (lbv_to_gcc_expression): Same.
1022 (lle_to_gcc_expression): Same.
1023 (lambda_loopnest_to_gcc_loopnest): Same.
1024 (can_put_in_inner_loop): Same.
1025 (can_convert_to_perfect_nest): Same.
1026 (perfect_nestify): Same.
1027 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
1028 * tree-inline.c (copy_body_r): Same.
1029 (setup_one_parameter): Same.
1030 (initialize_inlined_parameters): Same.
1031 (estimate_num_insns_1): Same.
1032 (expand_call_inline): Same.
1033 (gimple_expand_calls_inline): Same.
1034 (copy_tree_r): Same.
1035 * tree-optimize.c (execute_free_cfg_annotations): Same.
1036 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
1037 (vect_align_data_ref): Same.
1038 (vect_create_data_ref_ptr): Same.
1039 (vect_init_vector): Same.
1040 (vect_create_epilog_for_reduction): Same.
1041 (vectorizable_reduction): Same.
1042 (vectorizable_assignment): Same.
1043 (vectorizable_operation): Same.
1044 (vectorizable_store): Same.
1045 (vectorizable_load): Same.
1046 (vectorizable_live_operation): Same.
1047 (vectorizable_condition): Same.
1048 (vect_generate_tmps_on_preheader): Same.
1049 (vect_create_cond_for_align_checks): Same.
1050 * tree-object-size.c (collect_object_sizes_for): Same.
1051 (check_for_plus_in_loops_1): Same.
1052 (check_for_plus_in_loops): Same.
1053 * tree-outof-ssa.c (insert_copy_on_edge): Same.
1054 (replace_use_variable): Same.
1055 (check_replaceable): Same.
1056 (rewrite_trees): Same.
1057 (identical_copies_p): Same.
1058 (insert_backedge_copies): Same.
1059 * tree-profile.c (tree_gen_edge_profiler): Same.
1060 * tree-vect-generic.c (expand_vector_operations_1): Same.
1061 * tree-ssa-structalias.c (update_alias_info): Same.
1062 (find_func_aliases): Same.
1063 * tree-cfg.c (factor_computed_gotos): Same.
1065 (make_goto_expr_edges): Same.
1066 (tree_merge_blocks): Same.
1067 (remove_useless_stmts_cond): Same.
1068 (remove_useless_stmts_1): Same.
1069 (tree_find_edge_insert_loc): Same.
1070 (verify_expr): Same.
1071 (gimplify_val): Same.
1072 (verify_gimple_tuples_1): New.
1073 (verify_gimple_tuples): New.
1074 (verify_stmts): Call verify_gimple_tuples.
1075 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
1076 (get_unary_op): Same.
1077 (linearize_expr): Same.
1078 (get_single_immediate_use): Same.
1079 (negate_value): Same.
1080 (should_break_up_subtract): Same.
1081 (break_up_subtract): Same.
1082 (repropagate_negates): Same.
1083 (break_up_subtract_bb): Same.
1084 (reassociate_bb): Same.
1085 * config/i386/i386.c (ix86_va_start): Same.
1086 (ix86_gimplify_va_arg): Same.
1087 * stmt.c (expand_expr_stmt): Same.
1088 (warn_if_unused_value): Same.
1089 (expand_return): Same.
1090 * tree-ssanames.c (make_ssa_name): Same.
1091 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
1092 * tree-ssa-operands.c (finalize_ssa_defs): Same.
1093 (add_virtual_operand): Same.
1094 (get_expr_operands): Same.
1095 (parse_ssa_operands): Same.
1096 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
1098 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
1100 * config.host: Remove extra blank line.
1102 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
1104 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
1105 target is also an x86 variant.
1107 2006-12-05 Richard Guenther <rguenther@suse.de>
1109 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
1110 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
1111 (ix86_builtin_vectorized_function): New function to vectorize
1114 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
1116 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
1117 ia64_override_options.
1119 2006-12-04 Jan Hubicka <jh@suse.cz>
1121 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
1124 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
1126 * rtlanal.c (note_uses): Deal with SEQUENCEs.
1127 * config/bfin/bfin.c: Include "timevar.h".
1128 (bfin_flag_schedule_insns2, splitting_for_sched,
1129 bfin_flag_var_tracking): New variables.
1130 (print_operand): Handle '%!'.
1131 (override_options): Disable normal sched2 pass, instead set
1132 bfin_flag_schedule_insns2 for reorg to handle it.
1133 (output_file_start): Likewise for var-tracking.
1134 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
1135 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
1137 (bfin_reorg): Do second scheduling pass here, and call
1138 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
1139 of examining insns directly. If bfin_flag_var_tracking, call
1140 var-tracking pass when done with everything else.
1141 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
1142 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
1143 (movsi_insn32): New pattern, with two new splits to create it
1144 before the final scheduling pass.
1145 (neghi2): Not a dsp32 insn, rather alu0.
1146 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
1147 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
1148 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
1149 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
1150 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
1151 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
1152 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
1153 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
1154 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
1155 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
1156 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
1157 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
1158 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
1159 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
1160 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
1161 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
1162 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
1163 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
1164 variants instead of ';'.
1165 (ror_one, rol_one): Likewise. Make them dsp32 insns.
1166 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
1167 (align8, align16, align24): Now named patterns; also using '%!'.
1170 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
1172 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
1173 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
1175 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1177 * config/spu/spu-protos.c (spu_split_address): Add.
1178 * config/spu/spu.c (spu_split_address): Add.
1179 (print_operand): Handle HIGH.
1180 (spu_legitimate_address): Don't test for aligned CONST.
1181 (spu_expand_mov): Don't split addresses here.
1182 * config/spu/constraints.md (A): Don't test legitimate_const.
1183 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
1184 (ceq_di): Use correct predicates.
1186 2006-12-04 Eric Christopher <echristo@apple.com>
1188 * config/darwin.h: Update copyright notice.
1189 * config/i386/darwin.h: Ditto.
1191 2006-12-04 Jan Hubicka <jh@suse.cz>
1193 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
1194 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
1196 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
1198 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
1200 * tree-ssa-structalias.c (set_used_smts): Export.
1201 (find_what_p_points_to): Don't call set_used_smts here.
1202 * tree-ssa-structalias.h (set_used_smts): Add prototype.
1204 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
1206 * tree-ssa-alias.c (compute_may_aliases):
1207 Compute flow sensitive before flow insensitive.
1208 (compute_flow_sensitive_aliasing): Don't try to add
1209 a symbol memory tag to itself.
1211 * alias.h (alias_set_subset_of): New prototype.
1213 * alias.c (alias_set_subset_of): New function.
1215 * tree-ssa-structalias.c: Update comments.
1216 (struct variable_info): Add finished_solution.
1217 (new_varinfo): Set finished solution to NULL.
1218 (var_escaped_vars): Remove.
1219 (escaped_vars_tree): Remove.
1220 (escaped_vars_id): Remove.
1221 (nonlocal_vars_id): Remove.
1222 (constraint_expr_type): Add INCLUDES.
1223 (graph_size): Removed.
1224 (dump_constraint): Support INCLUDES.
1225 (build_constraint_graph): Ditto.
1226 (collapse_nodes): Add merge_solutions argument.
1227 Don't merge attributes.
1228 (process_unification_queue): Just use collapse_nodes.
1229 (perform_var_substitution): Update call to collapse_nodes.
1230 (get_constraint_exp_from_ssa_var): Use INCLUDES.
1231 (process_constraint): Fix non-field sensitive handling
1233 (get_constraint_for): Use INCLUDES.
1234 (make_constraint_from_anything): Renamed from
1235 make_constraint_from_escaped.
1236 (make_constraint_to_escaped): Removed.
1237 (find_global_initializers): Removed.
1238 (create_variable_info_for): Do not make constraints to escaped
1240 (dump_solution_for_var): Don't print out the equivalent points-to
1241 sets, just use the name of the variable it shares it with.
1242 (intra_create_variable_infos): Use INCLUDES.
1243 Change nonlocal variable sets to anything sets.
1244 (init_base_vars): Remove escaped_vars and nonlocal_var
1246 (find_escape_constraints): Removed.
1247 (delete_points_to_sets): Remove dead code.
1248 (used_smt_calculated): New variable.
1249 (set_used_smts): New function.
1250 (merge_smts_into): New function.
1251 (find_what_p_points_to): Modify to use SMTs.
1252 (create_nonlocal_var): Remove.
1254 * tree-ssa-operands.c (access_can_touch_variable): Remove
1255 reference to nonlocal_all.
1257 * tree-ssa.c (verify_name_tags): Remove.
1259 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
1261 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
1262 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
1264 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
1266 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
1267 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
1268 (add_livein_if_notdef): Delete.
1269 (loe_visit_block): New. Propogate live on entry info for a block into
1270 each predecessor. If it changes, make sure it is visited again.
1271 (live_worklist): Visit every block and update the live on entry info
1272 for preds. Iterate over any that changed.
1273 (set_var_live_on_entry): Populate the live on entry blocks with bits
1274 based on the immediate uses of a var.
1275 (calculate_live_on_entry): Remove.
1276 (calculate_live_on_exit): Calculate live on exit based on the newly
1277 oriented live on entry bits.
1278 (calculate_live_ranges): Build live on entry and exit vectors.
1279 (dump_live_info): Use new orientation of live on entry bitmaps.
1280 (verify_live_on_entry): New. Split out verification code from old
1281 calculate_live_on_entry routine.
1282 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
1283 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
1284 basic_block instead of for a partition.
1285 (live_merge_and_clear): Add asserts.
1286 (make_live_on_entry): Set partition bit in basic block vector.
1288 2006-12-04 Jakub Jelinek <jakub@redhat.com>
1291 * omp-low.c (expand_omp_for_static_nochunk,
1292 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
1296 * omp-low.c (determine_parallel_type): Don't try to optimize combined
1297 parallels if region->exit or region->inner->exit is NULL.
1298 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
1300 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
1301 (expand_omp_for): Use expand_omp_for_generic if either region->cond
1302 or region->exit is NULL.
1303 (expand_omp_sections): Handle NULL region->cond or region->exit.
1306 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1308 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
1309 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
1311 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
1313 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
1314 TYPE_MAX_VALUE for scalar types here but...
1315 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
1316 is attached an error mark, and the return value of the callback
1317 if it is not NULL_TREE.
1319 2006-12-04 Ben Elliston <bje@au.ibm.com>
1321 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
1323 2006-12-03 Eric Christopher <echristo@apple.com>
1326 * config/t-slibgcc-darwin: Pass -install_name.
1327 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
1328 libtool. Only pass through options that the linker recognizes.
1329 (LINK_SPEC): Update comment. Translate options.
1330 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
1331 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
1333 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
1335 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
1337 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
1340 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
1341 operands[1] in insn constraint. Correct type attribute to sselog1.
1343 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
1346 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
1348 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
1349 processor detection.
1351 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
1352 -march=native if there is no -mtune=*.
1354 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
1357 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1359 * doc/install.texi: Update recommended MPFR version. Remove
1360 obsolete reference to cumulative patch.
1362 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
1365 * c-decl.c (store_parm_decls_oldstyle): Robustify.
1367 2006-11-30 Jan Hubicka <jh@suse.cz>
1368 Uros Bizjak <ubizjak@gmail.com>
1370 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
1371 32bit memcpy/memset decriptors.
1372 (decide_alg): With -minline-all-stringops and sizes that are best
1373 to be copied via libcall still work hard enough to pick non-libcall
1376 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
1378 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
1380 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
1381 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
1382 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
1383 config/sh/sh4-300.md, config/spu/spu-builtins.def,
1384 config/spu/spu-c.c, config/spu/spu-modes.def,
1385 config/spu/spu.c, config/spu/spu.md,
1386 config/spu/spu_internals.h, config/spu/vmx2spu.h,
1387 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
1388 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
1389 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
1390 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
1391 spelling conventions.
1393 * config/i386/i386.c: Fix a comment typo.
1395 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1397 * config/spu/spu.c (spu_immediate): Remove trailing comma.
1398 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
1399 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
1400 better optimization.
1401 (floatv4siv4sf2): New.
1402 (fix_truncv4sfv4si2): New.
1403 (floatunsv4siv4sf2): New.
1404 (fixuns_truncv4sfv4si2): New.
1412 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
1413 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
1414 spu_resolve_overloaded_builtin instead of static inline functions.
1416 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
1418 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
1419 type instead of the size of its mode to compute the highest and
1420 lowest possible values. Still check the size of the mode before
1421 flipping the signedness of the comparison.
1423 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1425 * config/spu/predicates.md (spu_mov_operand): Add.
1426 * config/spu/spu.c (spu_expand_extv): Remove unused code.
1427 (print_operand_address, print_operand): Handle addresses containing AND.
1428 (spu_split_load, spu_split_store): Use updated movti pattern.
1429 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
1430 stores in mov patterns for correct operation of reload.
1431 (lq, lq_<mode>, stq, stq_<mode>): Remove.
1433 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1436 * c-common.c (check_main_parameter_types): Check for error_mark_node.
1438 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
1440 * common.opt (ftree-combine-temps): Remove.
1441 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
1442 (coalesce_ssa_name): Don't check for combine-temps.
1443 (coalesce_vars): Remove.
1444 (check_replaceable): Use num_imm_uses.
1445 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
1446 check for combine-temps.
1447 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
1448 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
1449 to register_ssa_partition calls.
1450 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
1451 (init_var_map, delete_var_map): remove refernces to ref_count.
1452 (create_ssa_var_map): Never calculate a ref count.
1453 (type_var_init): Remove.
1454 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
1455 (SSA_VAR_MAP_REF_COUNT): Delete.
1456 (create_ssa_var_map): Change Prototype to have no parameters.
1457 (version_ref_count): Delete.
1458 (register_ssa_partition): Remove 'is_use' paramater and don't set the
1460 (type_var_num, type_var, type_var_first_partition,
1461 type_var_next_partition, type_var_dump, type_var_delete,
1462 type_var_remove_partition, type_var_find, type_var_compact,
1463 type_var_decompact): Remove.
1465 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1467 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
1470 2006-12-01 Richard Guenther <rguenther@suse.de>
1473 * dwarf2out.c (struct pubname_struct): Make name const.
1474 (add_pubtype): Do not xstrdup identifiers.
1476 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1478 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
1479 multiword accesses are in range.
1481 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
1483 PR tree-optimization/29921
1484 * tree-ssa-ccp.c (canonicalize_float_value): New function.
1485 (set_lattice_value): Use canonicalize_float_value.
1487 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
1489 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
1490 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
1491 (spu_cpu_cpp_builtins): Remove.
1492 (spu_override_options): Don't set warn_main.
1493 (spu_force_reg): Move from spu-c.c.
1494 (spu_check_builtin_parm): Likewise.
1495 (expand_builtin_args): Likewise.
1496 (spu_expand_builtin_1): Likewise.
1497 (spu_expand_builtin): Likewise.
1498 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
1499 warn_main and targetm.resolve_overloaded_builtin.
1500 * config/spu/spu-c.c (spu_builtin_range): Remove.
1501 (spu_check_builtin_parm): Remove.
1502 (expand_builtin_args): Remove.
1503 (spu_expand_builtin_1): Remove.
1504 (spu_expand_builtin): Remove.
1505 (spu_cpu_cpp_builtins): Moved from spu.c
1506 (spu_force_reg): Remove.
1508 2006-12-01 Joseph Myers <joseph@codesourcery.com>
1509 David Edelsohn <edelsohn@gnu.org>
1512 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
1513 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
1514 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
1515 HARD_REGNO_NREGS_WITH_PADDING): Define.
1516 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
1517 HARD_REGNO_NREGS_WITH_PADDING): Define.
1518 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
1519 Use new macros to detect modes with holes; do not look at integer
1521 (subreg_offset_representable_p): Check for and disallow cases
1522 where the modes use different numbers of bits from registers.
1523 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
1524 constant for soft-float.
1525 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
1527 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
1528 in E500 double case.
1529 * config/rs6000/rs6000.md (movtf): Allow soft-float.
1530 (movtf_softfloat): New.
1532 2006-11-30 Richard Sandiford <richard@codesourcery.com>
1534 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
1535 simplify_gen_subreg.
1537 2006-11-30 Andrew Macleod <amacleod@redhat.com>
1539 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
1540 (COALESCE_HASH_FN): New. Define hash function.
1541 (partition_pair_map_hash): New. Hash value for a partition pair.
1542 (partition_pair_map_eq): New. Equality for hash pairs.
1543 (create_coalesce_list): Create hash table.
1544 (delete_coalesce_list): Free hash table.
1545 (find_partition_pair): Find/create pairs in hash table.
1546 (compare_pairs): Sort pairs in ascending order now.
1547 (num_coalesce_pairs): New. Number of pairs in hash table.
1548 (struct partition_pair_iterator): Iterator struct for pair table.
1549 (first_partition_pair): Iterator function for first pair.
1550 (end_partition_pair_p): Iterator function for end of iteration.
1551 (next_partition_pair): Iterator function for next pair.
1552 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
1553 (sort_coalesce_list): Sort pairs from hash table into an array.
1554 (pop_best_coalesce): Take pairs from the array.
1555 (dump_coalesce_list): Update to use hash table or sorted array.
1556 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
1557 (struct coalesce_list_d): Add hash table related fields.
1559 2006-11-30 Jan Hubicka <jh@suse.cz>
1562 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
1563 memmove/bcopy->memcpy conversion.
1565 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
1567 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
1568 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
1569 Default is the largest alignment supported for 32-bit ELF and
1570 representable on a 32-bit host.
1572 2006-11-30 Janis Johnson <janis187@us.ibm.com>
1574 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
1576 2006-11-30 Jan Hubicka <jh@suse.cz>
1578 * tree-ssa-operands.h (struct ssa_operands): New.
1579 * tree-flow-inline.h (gimple_ssa_operands): New function.
1580 * tree-flow.h: (struct gimple_df): Add ssa_operands.
1581 * Makefile.in: Remove gt-tree-ssa-operands.h
1582 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
1583 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
1584 operand_memory, operand_memory_index, ops_active): Remove statics.
1585 (ALLOC_OPTYPE): Update.
1586 (operand_build_sort_virtual): Update.
1587 (ssa_operands_active): Update.
1588 (init_ssa_operands): Update.
1589 (fini_ssa_operands): Update.
1590 (ssa_operand_alloc): Update.
1591 (INITIALIZE_USE): Update.
1592 (finalize_ssa_use_ops): Update.
1593 (finalize_ssa_v_may_def_ops): Update.
1594 (finalize_ssa_vuse_ops): Update.
1595 (finalize_ssa_v_must_def_ops): Update.
1597 2006-11-30 Richard Guenther <rguenther@suse.de>
1599 * tree-vectorizer.h (vectorizable_function): Export.
1600 * tree-vect-transform.c (vectorizable_function): Likewise.
1601 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
1602 type_in to scalar type in recognition of squaring.
1603 Make sure the target can vectorize sqrt in recognition
1604 of sqrt, set type_in to vector type in this case.
1606 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1608 * config/i386/i386.md (R10_REG): New constant.
1609 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
1610 (ix86_emit_restore_regs_using_mov): Ditto.
1611 (ix86_expand_call): Ditto.
1612 (x86_output_mi_thunk): Ditto. Also use R10_REG.
1614 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1616 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
1617 * alias.c (canon_true_dependence): Update comment.
1619 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1621 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
1622 at the end of a diagnostics message.
1624 * alloc-pool.c (pool_free): Postpone clearing the pool entry
1625 until after asserting that it was allocated in the right pool.
1627 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
1628 successor edge information as well. Make output of live regs
1629 on exit consistent with live regs on entry.
1631 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1634 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
1635 insn patterns for TARGET_80387.
1636 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
1637 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
1638 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
1639 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
1640 Generate truncxf<mode>2 insn patterns for strict SSE math.
1642 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1644 * config/i386/i386.md (movsf_1): Enable pattern for standard
1645 80387 constants before reload when optimizing for size.
1646 (*movdf_nointeger, *movdf_integer): Ditto.
1647 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
1648 80387 constants before reload when not optimizing for size.
1650 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
1651 extension of XFmode input operands.
1653 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1655 * config/spu/crt0.c (__dso_handle): Define.
1657 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
1659 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
1660 when clearing the used flags.
1662 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1664 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
1666 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1669 * config/spu/spu.md (extend_compare<mode>): New pattern.
1670 (extend_compare): Change to expand and use the above pattern.
1672 2006-11-29 Janis Johnson <janis187@us.ibm.com>
1674 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
1676 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
1677 (DFP_INIT_ROUNDMODE): Define.
1678 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
1679 * mklibgcc.in: Fix dependencies for dfp-bit.c.
1681 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
1683 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
1684 Update documentation.
1685 (associate_line_notes_with_blocks): Kill.
1686 (extend_bb): Remove basic block argument, put void instead.
1687 Remove line number handling for each bb.
1688 (save_line_notes): Kill.
1689 (restore_line_notes): Kill.
1690 (sched_init): Remove line_note_head initialization.
1691 Change extend_bb call.
1692 (sched_finish): Remove free of line_note_head.
1693 (add_block): Change extend_bb call.
1694 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
1695 rm_line_notes and restore_line_notes calls.
1696 (schedule_ebbs): Remove rm_redundant_line_notes.
1697 * sched-int.h (struct haifa_insn_data): Remove line_note.
1698 (save_line_notes): Remove declaration.
1699 (restore_line_notes): Remove declaration.
1700 * modulo-sched.c (loop_canon_p): Update debug info printing
1701 by using insn locators instead of line note.
1702 (sms_schedule): Update debug info printing, by using insn
1703 locators instead of line note.
1704 * sched-rgn.c (debug_dependencies): Remove handling of case
1705 n>0 (line number), since it's a dead code.
1706 (schedule_region): Remove save_line_notes and
1707 restore_line_notes calls.
1709 2006-11-29 Joseph Myers <joseph@codesourcery.com>
1711 * config/rs6000/predicates.md (gpc_reg_operand): Check
1712 invalid_e500_subreg.
1713 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
1714 SImode subregs of SPE vectors.
1715 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
1716 * jump.c (true_regnum): Require subregs to satisfy
1717 subreg_offset_representable_p.
1719 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
1720 Steven Bosscher <stevenb.gcc@gmail.com>
1722 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
1723 since it no longer exists.
1725 2006-11-29 Duncan Sands <baldrick@free.fr>
1727 PR tree-optimization/23744
1728 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
1730 2006-11-29 Duncan Sands <baldrick@free.fr>
1732 PR tree-optimization/23744
1733 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
1735 2006-11-29 Duncan Sands <baldrick@free.fr>
1737 PR tree-optimization/23744
1738 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
1740 2006-11-29 Jie Zhang <jie.zhang@analog.com>
1742 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
1744 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
1746 * sh.opt (minline-ic_invalidate): New option.
1747 (musermode): Adjust comment.
1748 * sh.c (sh_initialize_trampoline): Emit library call unless
1749 is set; if it is set, don't emit library call if we can use icbi
1751 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
1752 icbi for TARGET_SH4_300.
1753 * t-sh (LIB1ASMFUNCS_CACHE): Set.
1754 * doc/invoke.texi: Document -minline-ic_invalidate; Update
1755 -musermode documentation.
1757 2006-11-29 Jim Tison <jtison@us.ibm.com>
1759 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
1760 __gthread_recursive_mutex_init): Define.
1762 2006-11-29 Joseph Myers <joseph@codesourcery.com>
1764 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
1765 STRICT_ALIGNMENT and the type is more aligned than the saved
1766 registers, copy via a temporary.
1768 2006-11-28 Andrew Pinski <pinskia@gmail.com>
1771 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
1774 2006-11-28 Bob Wilson <bob.wilson@acm.org>
1776 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
1778 2006-11-28 Jan Hubicka <jh@suse.cz>
1780 Privatize SSA variables into gimple_df.
1781 * tree-flow-inline.h
1782 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
1783 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
1784 gimple_nonlocal_all): New accessors.
1785 (first_referenced_var): Update.
1786 (mark_stmt_modified): Update.
1787 (is_call_clobbered): Update.
1788 (mark_call_clobbered): Update.
1789 (clear_call_clobbered): Update.
1790 (mark_non_addressable): Update.
1791 * tree-vrp.c (get_value_range): Update.
1792 * tree-into-ssa.c (in_ssa_p): Kill.
1793 (get_default_def_for): Update.
1794 (rewrite_into_ssa): Update.
1795 * tree-complex.c (init_parameter_lattice_values): Update.
1796 (update_complex_assignment): Update.
1797 (update_parameter_components): Update.
1798 (expand_complex_libcall): Update.
1799 (expand_complex_operations_1): Update.
1800 * tree-tailcall.c (arg_needs_copy_p): Update.
1801 (add_virtual_phis): Update.
1802 (tree_optimize_tail_calls_1): Update.
1803 * tree-ssa-dse.c (memory_ssa_name_same): Update.
1804 * tree-ssa-copyrename.c
1805 (copy_rename_partition_coalesce): Update.
1806 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
1807 * tree-ssa-propagate.c (set_rhs): Update.
1808 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
1809 addressable_vars, global_var):Kill.
1810 (set_initial_properties): Update.
1811 (init_alias_info): Update.
1812 (finalize_ref_all_pointers): Update.
1813 (setup_pointers_and_addressables): Update.
1814 (maybe_create_global_var): Update.
1815 (create_global_var): Update.
1816 (dump_points_to_info): Update.
1817 * function.h (struct gimple_df): Forward declare.
1818 (struct function): Add GIMPLE_DF field.
1819 * gimplify.c (force_gimple_operand): Update.
1820 * tree-dfa.c (referenced_vars, default_defs): KIll.
1821 (make_rename_temp): Update.
1822 (dump_variable): Update.
1823 (referenced_var_lookup): Update.
1824 (referenced_var_check_and_insert): Update.
1825 (default_def): Rename to ...
1826 (gimple_default_def): ... this one; accept cfun argument.
1827 (set_default_def): Update.
1828 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
1829 (cleanup_control_flow): Update.
1830 * tree-ssa-pre.c (compute_avail): Update
1831 * tree-ssa-live.c (calculate_live_on_entry): Update.
1832 * tree-ssa.c (verify_use): Update.
1833 (verify_call_clobbering): Update.
1834 (verify_call_clobbering): Update.
1835 (init_tree_ssa): Update.
1836 (delete_tree_ssa): Update.
1837 * tree-outof-ssa.c (coalesce_ssa_name): Update.
1838 (rewrite_out_of_ssa): Update.
1839 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
1840 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
1842 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
1843 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
1844 addressable_vars, aliases_computed_p): Kill.
1845 (default_def): Rename to...
1846 (gimple_default_def): ... this one.
1847 (defaule_def_fn): Kill.
1848 (num_referenced_vars, ssa_names, num_ssa_names): Update.
1849 * tree-ssa-structalias.c (nonlocal_all): Kill.
1850 (get_constraint_exp_from_ssa_var): Update.
1851 (create_nonlocal_var): Update.
1852 (get_constraint_for): Update.
1853 (update_alias_info): Update.
1854 (find_global_initializers): Update.
1855 (intra_create_variable_infos): Update.
1856 (intra_create_variable_infos):
1857 (find_what_p_points_to): Update.
1858 (init_alias_heapvars): Update.
1859 * tree-cfg.c (remove_bb): Update.
1860 (gimplify_val): Update.
1861 * tree-ssa-reassoc.c (get_rank): Update.
1862 (init_reassoc): Update.
1863 * tree-ssanames.c: Do not include gt-tree-ssanames.h
1864 (ssa_names, free_ssanames): Kill.
1865 (init_ssanames): Update.
1866 (make_ssa_name): Update.
1867 (release_ssa_name): Update.
1868 (release_defs): Update.
1869 (replace_ssa_name_symbol): Update.
1870 * tree-ssa-operands.c (access_can_touch_variable): Update.
1871 (add_virtual_operand): Update.
1872 (add_call_clobber_ops): Update.
1873 (add_call_read_ops): Update.
1874 (get_call_expr_operands): Update.
1875 (get_asm_expr_operands): Update.
1877 2006-11-28 Jan Hubicka <jh@suse.cz>
1879 * builtins.c: Include tree-flow.h.
1880 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
1881 assignment; convert memmove to memcpy for sizes greater than 1 where
1882 alignment of operands prohibit the partial overlap.
1884 2006-11-28 Jan Hubicka <jh@suse.cz>
1886 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
1887 * cgraph.c (dump_cgraph_node): Dump stack usage.
1888 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
1889 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
1890 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
1891 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
1892 (cgraph_check_inline_limits): Limit stack growth.
1893 * cfgexpand.c: Include tree-inline.h.
1894 (account_stack_vars): New function.
1895 (expand_one_var): New param to just account the stack; return estimated
1897 (expand_used_vars_for_block): Update call of expand_one_var.
1898 (account_used_vars_for_block): New function.
1899 (estimated_stack_frame_size): Likewise.
1900 (init_vars_expansion, fini_vars_expansion): Break out from..
1901 (expand_used_vars): ... here.
1902 * tree-inline.h (estimated_stack_frame_size): Declare.
1903 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
1905 2006-11-28 Richard Guenther <rguenther@suse.de>
1907 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
1908 unsigned long for printing OBJECT_SIZE.
1910 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
1912 * alias.c (init_alias_analysis): Remove simplification loop
1913 after propagating pointers.
1915 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
1917 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
1920 2006-11-27 Bob Wilson <bob.wilson@acm.org>
1922 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
1924 2006-11-27 Roger Sayle <roger@eyesopen.com>
1925 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1927 * c-common.c (constant_fits_type_p): Delete.
1928 (unsigned_conversion_warning): Delete.
1929 (conversion_warning): Integrate Wconversion warning from
1930 unsigned_conversion_warning.
1931 (convert_and_check): Integrate Woverflow warning from
1932 unsigned_conversion_warning. Reorganize and simplify to avoid
1933 dependence upon the middle-end setting TREE_OVERFLOW on integral
1934 conversions, by using int_fits_type_p directly.
1936 2006-11-27 Tobias Burnus <burnus@net-b.de>
1938 * doc/invoke.texi: Fixed typo.
1940 2006-11-27 Michael Matz <matz@suse.de>
1941 Andreas Krebbel <krebbel1@de.ibm.com>
1944 * config/s390/predicates.md (larl_operand): Check addend of larl
1945 operand to be in range of -/+2GB.
1946 * config/s390/s390.c (legitimize_pic_address): Likewise.
1947 Changed type of variable even to HOST_WIDE_INT.
1949 2006-11-27 Jan Hubicka <jh@suse.cz>
1951 * expr.c (emit_block_move_via_libcall): Export.
1952 (clear_storage_via_libcall): Rename to ...
1953 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
1954 (clear_storage): Update to set_storage_via_libcall.
1955 * expr.h (emit_block_move_via_libcall): Declare
1956 * config/i386/i386.h (stringop_alg): New enum.
1957 (MAX_STRINGOP_ALGS): New constant.
1958 (stringop_algs): New struct.
1959 (processor_costs): Add memcpy/memset descriptors.
1960 (TARGET_REP_MOVEL_OPTIMAL): Remove.
1961 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
1962 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
1964 * config/i386/i386.opt (minline-stringops-dynamically,
1965 mstringop-strategy): New
1967 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
1968 (ix86_expand-clrmem): Rename to ...
1969 (ix86_expand_setmem): ... this one; update prototype.
1970 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
1971 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
1972 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
1973 nocona_cost, core2_cost, generic_cost, generic64_cost,
1974 generic32_cost): Add memcpy/memset descriptors.
1975 (x86_rep_movl_optimal): Remove.
1976 (stringop_alg): New static variable.
1977 (ix86_expand_aligntest): Handle predictions.
1978 (override_options): Add strgop_alg handling.
1979 (predict_jump): New function.
1980 (scale_counter): New function.
1981 (expand_set_or_movmem_via_loop): New function.
1982 (expand_movmem_via_rep_mov): New function.
1983 (expand_setmem_via_rep_stots): New function.
1984 (emit_strmov): New function.
1985 (expand_movmem_epilogue): New function.
1986 (expand_setmem_epilogue_via_loop): New function.
1987 (expand_setmem_epilogue): New function.
1988 (expand_movmem_prologue): New function.
1989 (expand_setmem_prologue): New function.
1990 (decide_alg): New function.
1991 (decide_alignment): New function.
1992 (ix86_exand_movmem): Rewrite.
1993 (promote_duplicated_reg): New function.
1994 (ix86_expand_clrmem): Rename to ...
1995 (ix86_expand_setmem): ... this one. Rewrite.
1997 * invoke.texi (minline-stringops-dynamically): New command line option.
1998 (mstringop-strategy): Likewise.
2000 2006-11-27 Jan Hubicka <jh@suse.cz>
2002 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
2003 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
2004 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
2005 * insn-notes.def (FUNCTION_END): Remove.
2006 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
2007 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
2009 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
2010 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
2011 * cfglayout.c (duplicate_insn_chain): Don't worry about
2014 2006-11-27 Richard Guenther <rguenther@suse.de>
2015 Zdenek Dvorak <dvorakz@suse.cz>
2017 * target.h (struct gcc_target): Add builtin_vectorized_function
2019 * target-def.h (TARGET_VECTORIZE): Likewise.
2020 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2021 Document new target hook.
2022 * targhooks.h (default_builtin_vectorized_function): Declare.
2023 * targhooks.c (default_builtin_vectorized_function): Define.
2024 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
2025 (vectorizable_call): Declare.
2026 * tree-vect-analyze.c (vect_analyze_operations): Call
2028 * tree-vect-transform.c (vectorizable_function): New static function.
2029 (build_vectorized_function_call): Likewise.
2030 (vectorizable_call): New function.
2031 (vect_transform_stmt): Handle vectorizable calls.
2033 2006-11-27 Richard Guenther <rguenther@suse.de>
2036 * builtins.c (expand_builtin_pow): Optimize non integer valued
2037 constant exponents using sqrt or cbrt if possible. Always fall back
2038 to expanding via optabs.
2040 2006-11-27 Ira Rosen <irar@il.ibm.com>
2042 PR tree-optimization/22372
2043 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
2044 the type of the base address.
2045 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
2046 it in the data-ref pointer creation.
2047 (vect_init_vector): Add an argument, type of the init vector. Use it in
2049 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
2050 (get_initial_def_for_reduction): Likewise.
2051 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
2053 (vectorizable_assignment, vect_permute_store_chain): Likewise.
2054 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
2055 correct type in stmt creation.
2056 (vect_setup_realignment): Use the correct type in stmt creation.
2057 (vect_permute_load_chain): Change type of MODIFY_EXPR to
2059 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
2060 of MODIFY_EXPR to void_type_node.
2061 (vectorizable_condition): Change type of MODIFY_EXPR to
2063 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
2066 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
2069 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2070 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2071 standard 80387 constants, raise the cost to prevent
2072 compress_float_constant() to generate load from memory.
2074 * config/i386/i386.md: Add new splitter pattern to split
2075 float_extended load of constant from constant pool into
2078 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2080 * doc/install.texi: Move GMP/MPFR configure options from Fortran
2081 section to general section. Remove documentation for
2082 --with-mpfr-dir and --with-gmp-dir, add documentation for
2083 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
2086 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
2088 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
2090 * testsuite/gcc.dg/ipa/ipa-6.c: New.
2092 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
2094 PR tree-optimization/29122
2095 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
2096 for the new version. Assign NULL to DECL_RTL of the new version.
2098 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
2100 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
2102 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
2104 * cse.c (cse_altered): Remove.
2105 (record_jump_equiv): Make true/false argument a bool instead
2107 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
2108 where appropriate. Emit a new jump before the existing one
2109 instead of after so that delete_insn_and_edges removes the
2110 dead edges properly. Check any_condjump_p before calling
2112 (cse_basic_block): Check any_condjump_p before calling
2114 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
2116 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
2118 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
2119 -ffixed-line-length-* options.
2121 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
2123 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
2124 (fprem1xf4): Rename to fprem1xf4_i387.
2126 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
2127 Rename patterns to fmod<mode>3. Use general_operand operand
2128 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
2129 patterns for SSE math.
2130 (remaindersf3, remainderdf3): Ditto.
2132 2006-11-25 Joseph Myers <joseph@codesourcery.com>
2134 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
2135 inside start_sequence / end_sequence pair.
2137 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
2139 * jump.c (mark_all_labels): Work in cfglayout mode.
2140 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
2141 when in cfglayout mode, because there are no dead jumptables
2143 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
2145 (commit_edge_insertions): Do not allow insertion of instructions
2146 with control flow insns when in cfglayout mode.
2148 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
2150 * tree-vrp.c (execute_vrp): Do not pass loops structure through
2152 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
2153 unswitch_loop): Ditto.
2154 * tree-loop-linear.c (linear_transform_loops): Ditto.
2155 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
2156 tree_ssa_lim): Ditto.
2157 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
2158 free_numbers_of_iterations_estimates): Ditto.
2159 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
2160 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
2161 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
2162 remove_path, add_loop, loopify, unloop, fix_loop_placements,
2163 place_new_loop, duplicate_loop, duplicate_subloops,
2164 update_single_exit_for_duplicated_loops, copy_loops_to,
2165 duplicate_loop_to_header_edge, create_preheaders,
2166 force_single_succ_latches, loop_version, fix_loop_structure):
2168 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
2169 tree_unroll_loop): Ditto.
2170 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2171 * tree-scalar-evolution.c (select_loops_exit_conditions,
2172 scev_initialize, scev_analysis): Ditto.
2173 * tree-scalar-evolution.h (scev_initialize): Ditto.
2174 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
2175 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
2176 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
2177 * modulo-sched.c (sms_schedule): Ditto.
2178 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2179 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
2180 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
2181 * ifcvt.c (if_convert): Ditto.
2182 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
2183 canonicalize_loop_induction_variables,
2184 canonicalize_induction_variables,
2185 tree_unroll_loops_completely, remove_empty_loops): Ditto.
2186 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
2187 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
2188 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
2189 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
2190 tree_ssa_loop_done): Ditto.
2191 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
2192 estimate_bb_frequencies): Ditto.
2193 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
2194 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
2195 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
2196 decide_unrolling_and_peeling, peel_loop_completely,
2197 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
2198 peel_loop_simple, unroll_loop_stupid): Ditto.
2199 * loop-doloop.c (doloop_optimize_loops): Ditto.
2200 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
2201 * loop-invariant.c (move_loop_invariants): Ditto.
2202 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
2203 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
2204 tree_ssa_prefetch_arrays): Ditto.
2205 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
2207 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
2208 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
2209 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
2210 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
2211 verify_loop_structure): Ditto.
2212 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
2213 canonicalize_induction_variables, tree_unroll_loops_completely,
2214 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
2215 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
2216 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
2217 tree_unroll_loop, linear_transform_loops): Declaration changed.
2218 * basic-block.h: Remove declaration of struct loops.
2219 * cfghooks.h (struct cfg_hooks): Change type of
2220 cfg_hook_duplicate_loop_to_header_edge.
2221 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
2222 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
2223 vect_transform_loop): Declaration changed.
2224 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
2225 * cfgloop.h (flow_loops_dump, fix_loop_structure,
2226 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
2227 cancel_loop_tree, create_preheaders, force_single_succ_latches,
2228 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
2229 loopify, loop_version, remove_path, unswitch_loops,
2230 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
2231 Declaration changed.
2233 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
2235 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
2236 (X87MODEF): New mode macro.
2237 (ssemodefsuffix): New mode attribute.
2238 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
2239 (sqrt_extend<mode>xf2_i387): New insn pattern.
2240 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
2241 insn and truncate result back to original mode using
2242 UNSPEC_TRUNC_NOOP truncation.
2243 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
2244 ssemodefsuffix mode attribute.
2245 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
2246 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
2247 (*sqrtextenddfxf2_i387): Remove insn patterns.
2249 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
2250 truncation patterns.
2252 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
2254 2006-11-24 Jakub Jelinek <jakub@redhat.com>
2257 * c-tree.h (c_maybe_initialize_eh): New prototype.
2258 * c-decl.c (finish_decl): Move EH initialization...
2259 (c_maybe_initialize_eh): ... here. New function.
2260 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
2261 if not #pragma omp atomic.
2264 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
2265 or UNION_TYPE inner types.
2267 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
2270 * ipa-pure-const.c (check_tree): If the original tree
2271 is volatile return early and say the function is not pure
2272 nor const. Remove the volatile check for writes.
2273 (analyze_function): Print out the result of the local
2276 2006-11-24 Joseph Myers <joseph@codesourcery.com>
2278 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
2280 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
2281 * config/rs6000/rs6000.c (rs6000_override_options): Use
2282 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
2285 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
2287 * config/s390.c (s390_emit_compare_and_swap): New function.
2288 (s390_expand_cs_hqi, s390_expand_atomic): Call
2289 s390_emit_compare_and_swap.
2291 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2293 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
2295 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2299 * c-common.c (conversion_warning): New.
2300 (convert_and_check): Call conversion_warning unless there is an
2302 * doc/invoke.texi (-Wconversion): Update description.
2304 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
2306 * tree-ssa-alias.c (tree_pointer_compare): New function.
2307 (compact_name_tags): New function.
2308 (group_aliases): Call compact_name_tags.
2310 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2312 * real.h (real_isinteger): Declare.
2313 * real.c (real_isinteger): Define.
2314 * builtins.c (integer_valued_real_p): Use it.
2316 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2319 * c.opt (Wtraditional-conversion): New.
2320 (Wconversion): Update description.
2321 * c-typeck.c (convert_arguments): Warnings for prototypes causing
2322 type conversions different from what would happen in the absence
2323 of prototype are now handled by Wtraditional-conversion.
2324 * doc/invoke.texi (Wtraditional-conversion): New.
2325 (Wconversion): Update description.
2326 * doc/trouble.texi (Wconversion): Replace Wconversion by
2327 Wtraditional-conversion.
2329 2006-11-23 Andrew Pinski <pinskia@gmail.com>
2331 * predict.c (tree_estimate_probability): Check to make
2332 sure current_loops is non null before calling flow_loops_dump.
2334 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2336 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
2338 2006-11-23 David Ung <davidu@mips.com>
2340 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
2342 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
2343 (ASM_SPEC): Pass along -mfp32 and -mfp64.
2344 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
2345 high part of FP register when in 64-bit FP register mode. Similarly
2346 use gen_mfhc1 to load high part of FP register.
2347 (override_options): Allow -mgp32 and -mfp64 combination if
2348 ISA_HAS_MXHC1 (currently for O32 only).
2349 (mips_cannot_change_mode_class): If floating-point registers are
2350 bigger than word size. disallow conversion of float register from a
2351 large integer mode to a float mode smaller than the float register
2353 (mips_class_max_nregs): Handle float registers case seperately.
2354 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
2356 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
2357 (movdf_hardfloat_32bit): Similarly.
2358 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
2359 support a full 64-bit fpu.
2360 (mthc1): New pattern to generate MTHC1 instruction.
2361 (mfhc1): New pattern to generate MFHC1 instruction.
2362 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
2363 option for the MIPS32R2 and mention its use under O32 ABI.
2365 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2367 * var-tracking.c (emit_note_insn_var_location): Take care not to
2368 cause verify_flow_info failures.
2370 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
2372 * tree-ssa-structalias.c: Remove edge weights in favor of just
2373 processing them as complex constraints.
2374 (struct constraint_graph): Remove weighted succs and preds. Rename
2375 nonweighted succs and preds.
2376 (constraint_edge): Removed.
2377 (constraint_edge_t): Ditto.
2378 (constraint_edge_pool): Ditto.
2379 (new_constraint_edge): Ditto.
2380 (constraint_edge_equal): Ditto.
2381 (constraint_edge_less): Ditto.
2382 (constraint_edge_vec_find): Ditto.
2383 (erase_self_graph_edge): Ditto.
2384 (add_graph_edge): Removed.
2385 (get_graph_weights): Ditto.
2386 (allocate_graph_weights): Ditto.
2387 (valid_weighted_graph_edge): Ditto
2388 (bitmap_other_than_zero_bit_set): Ditto.
2389 (int_add_graph_edge): Renamed to add_graph_edge.
2390 (clear_edges_for_node): Remove support for weighted edges.
2391 (merge_graph_nodes): Ditto.
2392 (valid_graph_edge): Ditto.
2393 (build_constraint_graph): Ditto.
2395 (collapse_nodes): Ditto.
2396 (process_unification_queue): Ditto.
2397 (topo_visit): Ditto.
2398 (do_ds_constraint): Ditto.
2399 (perform_var_subsitution): Ditto.
2400 (solve_graph): Ditto.
2401 (init_alias_vars): Ditto.
2402 (delete_points_to_sets): Ditto.
2403 (do_complex_constraint): Support offsetted copies here.
2405 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
2407 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
2409 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
2411 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
2414 2006-11-23 Ben Elliston <bje@au.ibm.com>
2416 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
2418 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
2420 PR tree-optimization/29921
2421 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
2422 signed and unsigned zero equal.
2424 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
2426 * config/rs6000/rs6000.c (get_store_dest): New.
2427 (adjacent_mem_locations): Use get_store_dest() to get
2428 the rtl of the store destination.
2430 2006-11-22 Joseph Myers <joseph@codesourcery.com>
2432 * config/rs6000/spe.md (SPE64): New mode macro.
2433 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
2435 (mov_si<mode>_e500_subreg0_2): New.
2436 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
2438 (mov_si<mode>_e500_subreg4_2): New.
2439 * config/rs6000/predicates.md (input_operand): Do not allow
2440 invalid E500 subregs.
2441 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
2443 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
2444 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
2445 involving vector modes if TARGET_SPE.
2447 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
2450 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
2451 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
2453 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
2455 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
2456 mem_i_address_operand): New predicates.
2457 * config/bfin/bfin.c (bfin_issue_rate): New function.
2458 (TARGET_SCHED_ISSUE_RATE): New macro.
2459 * config/bfin/bfin.md (addrtype): New attribute.
2460 (slot0, slot1, slot2, store, pregs): New cpu_units.
2461 (core): Now a define_reservation.
2462 (alu): Remove some insn types from this reservation.
2463 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
2465 (dummy reservation): Don't trigger for mcld insns.
2466 (absence_sets): Two new absence sets to enforce slot ordering.
2467 (popsi_insn): Set addrtype.
2469 2006-11-22 Ira Rosen <irar@il.ibm.com>
2471 * doc/c-tree.texi: Document new tree codes.
2472 * doc/md.texi: Document new optabs.
2473 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
2475 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
2476 * optabs.h (optab_index): Add new.
2477 (vec_extract_even_optab, vec_extract_odd_optab,
2478 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
2479 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
2480 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
2482 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
2483 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2484 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
2485 along with macros for their access.
2486 * tree-data-ref.h (first_location_in_loop, data_reference): Update
2488 * tree-vect-analyze.c (toplev.h): Include.
2489 (vect_determine_vectorization_factor): Fix indentation.
2490 (vect_insert_into_interleaving_chain,
2491 vect_update_interleaving_chain, vect_equal_offsets): New functions.
2492 (vect_analyze_data_ref_dependence): Add argument for interleaving
2493 check. Check for interleaving if it's true.
2494 (vect_check_dependences): New function.
2495 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
2496 every ddr. Call vect_analyze_data_ref_dependence with new argument.
2497 (vect_update_misalignment_for_peel): Update for interleaving.
2498 (vect_verify_datarefs_alignment): Check only first data-ref for
2500 (vect_enhance_data_refs_alignment): Update for interleaving. Check
2501 only first data-ref for interleaving.
2502 (vect_analyze_data_ref_access): Check interleaving, update
2504 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
2505 with different parameters.
2506 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
2507 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
2508 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
2509 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
2510 Update step in case of interleaving.
2511 (vect_strided_store_supported, vect_permute_store_chain): New
2513 (vectorizable_store): Handle strided stores.
2514 (vect_strided_load_supported, vect_permute_load_chain,
2515 vect_transform_strided_load): New functions.
2516 (vectorizable_load): Handle strided loads.
2517 (vect_transform_stmt): Add argument. Handle strided stores. Check
2518 that vectorized stmt exists for patterns.
2519 (vect_gen_niters_for_prolog_loop): Update calculation for
2521 (vect_transform_loop): Remove stmt_vec_info for strided stores after
2522 whole chain vectorization.
2523 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
2524 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
2525 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
2526 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
2527 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
2529 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
2531 * cse.c (enum taken): Remove PATH_AROUND.
2532 (addr_affects_sp_p, invalidate_skipped_set,
2533 invalidate_skipped_block): Remove.
2534 (cse_end_of_basic_block): Remove skip_blocks and related code.
2535 (cse_main): Don't test for flag_cse_skip_blocks.
2536 Update cse_end_of_basic_block call.
2537 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
2538 code to lengthen the path if a jump was simplified.
2540 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2542 PR rtl-optimization/29924
2543 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
2544 (unroll_loop_runtime_iterations): Assert that the argument passed to
2545 split_edge_and_insert is not NULL.
2546 * loop-doloop.c (add_test): Ditto.
2548 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2550 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
2552 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
2553 * cfgloopmanip.c (update_single_exits_after_duplication,
2554 update_single_exit_for_duplicated_loop, loop_version): Ditto.
2555 * tree-scalar-evolution.c (get_loop_exit_condition,
2556 get_exit_conditions_rec, loop_closed_phi_def,
2557 number_of_iterations_in_loop, scev_const_prop): Ditto.
2558 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
2559 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
2561 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2563 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
2564 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
2565 slpeel_make_loop_iterate_ntimes,
2566 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
2567 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
2569 * tree-if-conv.c (if_convertible_loop_p): Ditto.
2570 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
2571 vect_analyze_loop_form): Ditto.
2572 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
2573 can_convert_to_perfect_nest, perfect_nestify): Ditto.
2574 * tree-vect-transform.c (vect_create_epilog_for_reduction,
2575 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
2576 vect_transform_loop): Ditto.
2577 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
2578 (single_exit, set_single_exit): New functions.
2579 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
2580 (single_exit, set_single_exit): Declare.
2581 * doc/loop.texi: Undocument single_exit field. Document single_exit
2584 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2586 PR tree-optimization/29902
2587 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
2588 any involved ssa name appears in abnormal phi node.
2590 2006-11-21 Bob Wilson <bob.wilson@acm.org>
2592 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
2593 (xtensa_const_ok_for_letter_p): Delete.
2594 (xtensa_extra_constraint): Delete.
2595 (override_options): Delete xtensa_char_to_class initialization.
2596 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
2597 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2598 (EXTRA_CONSTRAINT): Delete.
2599 * config/xtensa/xtensa.md: Include constraints.md.
2600 (call_internal): Combine alternatives.
2601 (call_value_internal): Likewise, and remove invalid constraints.
2602 * config/xtensa/constraints.md: New file.
2603 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
2604 (xtensa_extra_constraint): Delete.
2605 * doc/md.texi (Machine Constraints): Refer to constraints.md for
2608 2006-11-21 Janis Johnson <janis187@us.ibm.com>
2610 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
2611 of conversion that doesn't fit.
2613 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
2614 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
2615 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
2617 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
2619 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
2621 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
2623 2006-11-21 Richard Guenther <rguenther@suse.de>
2625 * tree-vectorizer.h (NUM_PATTERNS): Increase.
2626 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
2627 vect_recog_pow_pattern.
2628 (vect_recog_pow_pattern): New function.
2630 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
2632 * config/bfin/bfin.opt (mstack-check-l1): New.
2633 * doc/invoke.texi (Blackfin Options): Document it.
2634 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
2635 stack bounds in L1 memory if the new option is enabled.
2636 (override_options): Don't allow combinations of -fstack-limit and
2638 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
2641 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
2643 (bfin_register_move_cost): Bump costs if trying to move plain
2644 integer values through accumulators.
2646 2006-11-21 Ben Elliston <bje@au.ibm.com>
2648 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
2650 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
2651 Russell Olsen <Russell_Olsen@playstation.sony.com>
2652 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
2653 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
2654 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
2655 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
2656 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2658 * config.gcc: Add target for SPU.
2659 * config/spu/constraints.md: New file.
2660 * config/spu/crt0.c: New file.
2661 * config/spu/crtend.c: New file.
2662 * config/spu/crti.asm: New file.
2663 * config/spu/crtn.asm: New file.
2664 * config/spu/float_unsdidf.c: New file.
2665 * config/spu/float_unssidf.c: New file.
2666 * config/spu/predicates.md: New file.
2667 * config/spu/spu-builtins.def: New file.
2668 * config/spu/spu-builtins.h: New file.
2669 * config/spu/spu-builtins.md: New file.
2670 * config/spu/spu-c.c: New file.
2671 * config/spu/spu-elf.h: New file.
2672 * config/spu/spu-modes.def: New file.
2673 * config/spu/spu-protos.h: New file.
2674 * config/spu/spu.c: New file.
2675 * config/spu/spu.h: New file.
2676 * config/spu/spu.md: New file.
2677 * config/spu/spu.opt: New file.
2678 * config/spu/spu_internals.h: New file.
2679 * config/spu/spu_intrinsics.h: New file.
2680 * config/spu/spu_mfcio.h: New file.
2681 * config/spu/t-spu-elf: New file.
2682 * config/spu/vec_types.h: New file.
2683 * config/spu/vmx2spu.h: New file.
2684 * doc/contrib.texi: Document SPU contributor.
2685 * doc/extend.texi: Document SPU extensions.
2686 * doc/invoke.texi: Document SPU options.
2687 * doc/md.texi: Document SPU constraints.
2689 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2691 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
2693 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
2695 (flow_loop_dump): Do not dump loop level.
2696 (flow_loops_find): Do not call flow_loops_level_compute.
2697 * cfgloop.h (struct loop): Remove level field.
2699 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2701 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
2702 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
2703 Use vector of edges instead of array.
2704 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
2705 estimate_numbers_of_iterations_loop): Ditto.
2706 * predict.c (predict_loops): Ditto.
2707 * loop-unroll.c (analyze_insns_in_loop): Ditto.
2708 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
2710 * basic-block.h: Declare heap allocation for edge vectors.
2711 * tree-outof-ssa.c: Ditto.
2712 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
2713 * cfgloop.h (get_loop_exit_edges): Declaration changed.
2715 2006-11-20 Zack Weinberg <zackw@panix.com>
2717 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
2718 Add another out parameter, "skip".
2719 (set_gc_used_type): Adjust calls to process_gc_options. If a field
2720 is tagged "skip", do not mark its type used.
2722 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2725 * tree-sra.c (single_scalar_field_in_record_p): New function.
2726 (decide_block_copy): Use it.
2728 2006-11-20 David Daney <ddaney@avtrex.com>
2730 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
2731 PC to point to following instruction.
2733 2006-11-20 Anatoly Sokolov <aesok@post.ru>
2737 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
2739 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
2741 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
2743 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2744 Add sh/superh.h to tm_file.
2746 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
2747 Mark Mitchell <mark@codesourcery.com>
2749 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
2751 (cpp_relocated): New function.
2752 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
2754 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
2755 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
2756 replace configured prefix with gcc_exec_prefix.
2758 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
2760 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
2761 bfin_legitimate_constant_p.
2762 * config/bfin/bfin.md (movsi expander): Check return value of
2764 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
2765 (expand_move): Adjust prototype.
2766 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
2767 invalid constants specially.
2768 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
2770 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
2772 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
2773 sibcall_value_symbol): Allow these patterns if
2774 TARGET_LEAF_ID_SHARED_LIBRARY.
2775 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
2776 (override_options): Turn on id shared library flags if -msep-data,
2777 but disallow the combination of these options on the command line.
2778 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
2779 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
2780 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
2781 -mid-shared-library.
2782 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
2783 * doc/invoke.texi (Blackfin Options): Document new switches.
2785 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
2786 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
2788 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
2789 inflate costs for addresses with an out-of-bounds address.
2791 2006-11-19 Andrew Pinski <pinskia@gmail.com>
2794 * fwprop.c (loops): Remove.
2795 (forward_propagate_into): Use current_loops instead of
2797 (fwprop_init): Call loop_optimizer_init instead of
2799 (fwprop_done): Call loop_optimizer_finalize instead of
2801 (fwprop): Use current_loops instead of loops.
2803 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
2806 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
2808 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2811 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
2812 larger than BITS_PER_WORD.
2814 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2818 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
2819 to MAX_FIXED_MODE_SIZE.
2821 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2823 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
2824 (fold_builtin_fmin_fmax): New.
2825 (fold_builtin_1): Use it.
2827 * fold-const.c (fold_strip_sign_ops): Handle copysign.
2829 2006-11-18 Richard Guenther <rguenther@suse.de>
2831 * config/i386/i386.c (ix86_builtins): New array for ix86
2832 builtin function decls.
2833 (def_builtin): New function.
2834 (def_builtin_const): Likewise.
2835 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
2837 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
2839 * doc/invoke.texi (core2): Add item.
2841 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
2843 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
2844 (TARGET_CPU_DEFAULT_generic): Change value.
2845 (TARGET_CPU_DEFAULT_NAMES): Add core2.
2846 (processor_type): Add new constant PROCESSOR_CORE2.
2848 * config/i386/i386.md (cpu): Add core2.
2850 * config/i386/i386.c (core2_cost): New initialized variable.
2851 (m_CORE2): New macro.
2852 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2853 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
2854 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2855 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2856 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2857 x86_accumulate_outgoing_args, x86_prologue_using_move,
2858 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2859 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
2860 x86_use_incdec, x86_four_jump_limit, x86_schedule,
2861 x86_pad_returns): Add m_CORE2.
2862 (override_options): Add entries for Core2.
2863 (ix86_issue_rate): Add case for Core2.
2865 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
2867 * doc/invoke.texi: Fix mno-isel typo.
2869 2006-11-18 Joseph Myers <joseph@codesourcery.com>
2871 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
2872 easy vector constant loads.
2874 2006-11-18 Joseph Myers <joseph@codesourcery.com>
2876 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
2877 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2878 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
2879 * config/rs6000/sync.md (lwsync): Emit plain sync if
2882 2006-11-17 DJ Delorie <dj@redhat.com>
2884 * reload1.c (reloads_unique_chain): New.
2885 (reloads_conflict): Call it.
2887 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2889 * config/xtensa/predicates.md (addsubx_operand): New.
2890 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
2891 (xtensa_emit_bit_branch): New.
2892 (xtensa_emit_movcc): New.
2893 * config/xtensa/xtensa.md (any_minmax): New code macro.
2894 (minmax): New code attribute.
2895 (any_cond, any_scc, any_scc_sf): New code macros.
2896 (*addx2, *addx4, *addx8): Delete.
2898 (*subx2, *subx4, *subx8): Delete.
2900 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
2901 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
2902 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
2903 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
2904 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
2905 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
2906 (movsfcc_internal0, movsfcc_internal1): Likewise.
2907 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
2908 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
2909 (xtensa_emit_bit_branch): New.
2910 (xtensa_emit_movcc): New.
2911 (function_arg_boundary): Add missing prototype.
2913 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2915 * config/xtensa/xtensa.md (tstsi): Delete
2917 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2919 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
2921 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2923 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2925 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2927 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
2929 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2931 * tree-vrp.c (execute_vrp): Do not update current_loops.
2932 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
2933 * doc/loop.texi: Remove documentation for cancelled functions.
2934 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
2935 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
2937 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
2938 (remove_path): Ensure that in delete_basic_blocks, the loops
2939 are still allocated.
2940 (add_loop): Work on valid loop structures.
2941 (loopify): Modify call of add_loop.
2942 (mfb_update_loops): Removed.
2943 (create_preheader): Do not update loops explicitly.
2944 (force_single_succ_latches, loop_version): Do not use
2945 loop_split_edge_with.
2946 (loop_split_edge_with): Removed.
2947 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
2948 Do not use bsi_insert_on_edge_immediate_loop.
2949 (split_loop_exit_edge, tree_unroll_loop): Do not use
2950 loop_split_edge_with.
2951 (bsi_insert_on_edge_immediate_loop): Removed.
2952 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
2953 use loop_split_edge_with.
2954 * cfghooks.c: Include cfgloop.h.
2955 (verify_flow_info): Verify that loop_father is filled iff current_loops
2957 (redirect_edge_and_branch_force, split_block, delete_basic_block,
2958 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
2960 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
2962 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
2963 loop_split_edge_with.
2964 (sms_schedule): Use current_loops.
2965 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
2966 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
2968 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
2969 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
2970 * ifcvt.c (if_convert): Ditto.
2971 * predict.c (predict_loops): Do not clear current_loops.
2972 (tree_estimate_probability): Use current_loops.
2973 (propagate_freq): Receive head of the region to propagate instead of
2975 (estimate_loops_at_level): Do not use shared to_visit bitmap.
2976 (estimate_loops): New function. Handle case current_loops == NULL.
2977 (estimate_bb_frequencies): Do not allocate tovisit. Use
2979 * tree-ssa-loop.c (current_loops): Removed.
2980 (tree_loop_optimizer_init): Do not return loops.
2981 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
2982 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
2983 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
2984 Do not update loops explicitly.
2985 * function.h (struct function): Add x_current_loops field.
2986 (current_loops): New macro.
2987 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
2988 * loop-unroll.c (split_edge_and_insert): New function.
2989 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
2990 use loop_split_edge_with.
2991 * loop-doloop.c (add_test, doloop_modify): Ditto.
2992 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
2993 * cfglayout.c (copy_bbs): Do not update loops explicitly.
2994 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
2995 * tree-vect-transform.c (vect_transform_loop): Do not update loops
2997 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
2998 (flow_loops_free): Do not free dfs_order and rc_order.
2999 (flow_loops_find): Do not set dfs_order and rc_order in loops
3000 structure. Do not call loops and flow info verification.
3001 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
3002 already belongs to some loop.
3003 * cfgloop.h (struct loops): Remove struct cfg.
3004 (current_loops, loop_split_edge_with): Declaration removed.
3005 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
3006 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
3007 Declaration removed.
3008 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
3009 * basic-block.h (split_edge_and_insert): Declare.
3010 * tree-cfg.c (remove_bb): Do not update loops explicitly.
3012 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3014 PR tree-optimization/29801
3015 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
3016 (get_default_value): Use get_symbol_constant_value.
3017 (set_lattice_value): ICE when the value of the constant is
3019 (visit_assignment): Ignore VDEFs of read-only variables.
3021 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3023 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
3025 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3026 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
3028 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3030 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
3031 select subvars of var.
3033 2006-11-17 Jakub Jelinek <jakub@redhat.com>
3036 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
3037 optimize if DEF doesn't have integral type.
3039 2006-11-16 Mike Stump <mrs@apple.com>
3041 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
3042 pre-darwin9 system, unless the user asks for it directly.
3043 (PREFERRED_DEBUGGING_TYPE): Likewise.
3044 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
3045 * config.gcc: Add suppport for darwin9.h.
3046 * config/darwin9.h: Add.
3047 * doc/install.texi (Specific): Clarify darwin documentation.
3049 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
3051 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
3052 optimizing for size.
3054 2006-11-16 Mike Stump <mrs@apple.com>
3056 * Makefile.in (targhooks.o): Add $(OPTABS_H).
3058 2006-11-16 Dirk Mueller <dmueller@suse.de>
3060 * tree-vrp.c (get_value_range): Use XCNEW instead
3062 (insert_range_assertions): Use XCNEWVEC instead
3063 of XNEWVEC and memset.
3064 (vrp_initialize): Same.
3065 (vrp_finalize): Same.
3066 * tree-ssa-ccp.c (ccp_initialize): Same.
3067 * predict.c (tree_bb_level_predictions): Same.
3068 * calls.c (expand_call): Same.
3069 * tree-ssa-copy.c (init_copy_prop): Same.
3070 (fini_copy_prop): Same.
3071 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
3072 of GGC_NEW and memset.
3074 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
3077 * gimplify.c (gimplify_expr): Only force a load for references to
3078 non-BLKmode volatile values.
3079 * doc/implement-c.texi (Qualifiers implementation): Document the
3080 interpretation of what a volatile access is.
3081 * doc/extend.texi (C++ Extensions): Rework same documentation.
3083 2006-11-16 Joseph Myers <joseph@codesourcery.com>
3085 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
3088 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
3090 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
3092 (arm_neg_abssi2): Renamed from neg_abssi2.
3093 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
3095 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
3097 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
3098 number of arguments passed to local functions in SSE registers is 3.
3100 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
3101 number of arguments passed in SSE registers to 3.
3103 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3106 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
3108 (get_last_bb_insn): ... new global function.
3109 (basic_block.h): Declare it.
3110 * haifa-sched.c (create_recovery_block): Use it.
3112 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
3115 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
3117 2006-11-15 Paul Brook <paul@codesourcery.com>
3119 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
3120 _Unwind_GetTextRelBase): Move from here ...
3121 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
3122 _Unwind_GetTextRelBase): ... To here.
3124 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3126 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
3127 addresses we generate for testing are aligned.
3129 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
3132 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
3133 to what is the const decl is a place holder for.
3135 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
3137 * config/i386/i386.opt: New target option -mx87regparm.
3139 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
3140 and float_in_x87 variables. mmx_words, sse_words: Remove.
3141 (X87_REGPARM_MAX): Define.
3143 * config/i386/i386.c (override_options): Error out for
3144 -mx87regparm but no 80387 support.
3145 (ix86_attribute_table): Add x87regparm.
3146 (ix86_handle_cconv_attribute): Update comments for x87regparm.
3147 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
3148 (ix86_function_x87regparm): New function.
3149 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
3151 (init_cumulative_args): Initialize x87_nregs and float_in_x87
3153 (function_arg_advance): Process x87_nregs and x87_regno when
3154 floating point argument is to be passed in 80387 register.
3155 (function_arg): Pass XFmode arguments in 80387 registers for local
3156 functions. Pass SFmode and DFmode arguments to local functions
3157 in 80387 registers when flag_unsafe_math_optimizations is set.
3159 * reg-stack.c (convert_regs_entry): Disable NaN load for
3160 stack registers that are used for argument passing.
3162 * doc/extend.texi: Document x87regparm function attribute.
3163 * doc/invoke.texi: Document -mx87regparm.
3165 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3167 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
3168 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
3169 arg MODE; all callers changed. Use it to determine validity per
3170 machine mode instead of using Pmode for all memory references.
3171 (get_address_cost): Likewise add and use new arg MEM_MODE.
3173 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
3174 J"orn Rennecke <joern.rennecke@st.com>
3176 * combine.c (likely_spilled_retval_1): Fix masking operation.
3177 (likely_spilled_retval_p): Use proper pattern for call to
3178 likely_spilled_retval_1.
3180 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3182 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
3184 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
3185 that tests for CONSTANT_POOL_ADDRESS_P.
3187 2006-11-15 Jakub Jelinek <jakub@redhat.com>
3189 PR tree-optimization/29581
3190 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
3191 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
3192 type is different between Y and USE, create a temporary
3193 variable, initialize it at the beginning of the body bb
3194 and use it as replacement instead of Y.
3196 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
3199 * gimplify.c (fold_indirect_ref_rhs): Use
3200 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
3202 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
3204 * expmed.c (emit_store_flag_1): New function.
3205 (emit_store_flag): Call it. If we can't find a suitable scc insn,
3207 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
3208 Use do_compare_rtx_and_jump.
3209 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
3210 * arm.md (cstoresi4): New define_expand.
3211 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
3212 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
3213 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
3215 2006-11-14 Caroline Tice <ctice@apple.com>
3217 * dwarf2out.c (debug_pubtypes_section): New static global variable.
3218 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
3220 (pubname_table): Redefine as a vector.
3221 (pubtype_table): New static global variable, defined as a vector.
3222 (pubname_table_allocated): Remove static global variable.
3223 (pubname_table_in_use): Remove static global variable.
3224 (PUBNAME_TABLE_INCREMENT): Remove constant.
3225 (size_of_pubnames): Add parameter to deal with either pubnames or
3226 pubtypes, and change code to deal with table being a vector.
3227 (add_pubname): Change to deal with table being a vector.
3228 (add_pubtype): New function.
3229 (output_pubnames): Add parameter to deal with either pubnames or
3230 pubtypes, and change code to deal with table being a vector.
3231 (gen_array_type_die): Add call to add_pubtype.
3232 (gen_enumeration_type_die): Add call to add_pubtype.
3233 (gen_struct_or_union_type_die): Add call to add_pubtype.
3234 (gen_subroutine_type_die): Add call to add_pubtype.
3235 (gen_typedef_die): Add call to add_pubtype.
3236 (dwarf2out_init): Add code to initialize pubname_table and
3237 pubtype_table vectors; also initialize debug_pubtypes_section.
3238 (prune_unused_types): Change to deal with pubnames being a vector.
3239 (dwarf2out_finish): Change to deal with pubnames being a vector; add
3240 pubnames table to call to output_pubnames; Add code to output pubtypes
3241 table if DEBUG_PUBTYPES_SECTION is defined.
3242 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
3244 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
3246 2006-11-14 Joseph Myers <joseph@codesourcery.com>
3248 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
3249 iwmmxt_nregs if TARGET_IWMMXT_ABI.
3250 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
3251 movv2si_internal): Support moves between core registers.
3253 2006-11-14 Eric Christopher <echristo@apple.com>
3255 * configure: Regenerate with autoconf 2.59.
3257 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
3259 Fix PR tree-optimization/27755
3261 * tree-ssa-pre.c: Update comments.
3262 (bb_bitmap_sets): Add pa_in and deferred member.
3263 (BB_DEFERRED): New macro.
3264 (maximal_set): New variable.
3265 (pre_stats): Add pa_insert member.
3266 (bitmap_set_and): Short circuit orig == dest.
3267 (bitmap_set_subtract_values): New function.
3268 (bitmap_set_contains_expr): Ditto.
3269 (translate_vuses_through_block): Add phiblock argument.
3270 (dependent_clean): New function.
3271 (compute_antic_aux): Update for maximal_set changes.
3272 (compute_partial_antic_aux): New function.
3273 (compute_antic): Handle partial anticipation.
3274 (do_partial_partial_insertion): New function.
3275 (insert_aux): Handle partial anticipation.
3276 (add_to_sets): Add to maximal set.
3277 (compute_avail): Ditto.
3278 (init_pre): Initialize maximal_set.
3279 (execute_pre): Do partial anticipation if -O3+.
3281 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
3283 PR rtl-optimization/29798
3285 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
3286 TARGET_INSN before any other check.
3287 (fwprop_init): Always calculate dominators.
3288 (fwprop_done): Always free them.
3290 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3292 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
3295 2006-11-13 DJ Delorie <dj@redhat.com>
3297 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
3298 temporary for intermediates.
3300 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
3302 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
3303 (sh_optimize_target_register_callee_saved): #if 0 the code
3304 using NOTE_INSN_LOOP_{BEG,END}.
3306 2006-11-13 Roger Sayle <roger@eyesopen.com>
3308 * fold-const.c (optimize_bit_field_compare): Recursively call
3309 fold when simplifying non-constant comparisons between bit-fields.
3311 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3313 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
3315 * configure: Rebuilt.
3317 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
3319 * config/rs6000/cell.md: New file.
3320 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
3322 (ppccell_cost): New cost matrix.
3323 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
3324 (rs6000_override_options): Set rs6000_always_hint to false
3325 for cell. Also align functions/lables/loops to 8byte
3326 for the Cell. Use PROCESSOR_CELL.
3327 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
3328 using_mtcr_multiple.
3329 (rs6000_variable_issue): If the insn is a nonpipelined instruction
3330 on the Cell, return 0.
3331 (rs6000_adjust_cost): Add Cell cost adjustments.
3332 (is_microcoded_insn): Return true for Cell microcoded
3334 (is_nonpipeline_insn): New function.
3335 (rs6000_issue_rate): Add PROCESSOR_CELL.
3336 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
3338 (rs6000_use_sched_lookahead_guard): New function.
3339 (rs6000_sched_reorder): Reorder the ready list, if the second
3340 to last ready insn is a nonepipeline insn on the Cell.
3341 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
3342 (ASM_CPU_SPEC): Add Cell.
3343 * config/rs6000/rs6000.md (cpu): Add Cell.
3344 (cell_micro): New Attr.
3347 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3349 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
3351 * configure: Rebuilt.
3353 2006-11-13 Richard Guenther <rguenther@suse.de>
3355 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
3357 (ix86_expand_lfloorceil): Likewise.
3358 (ix86_expand_rint): Likewise.
3359 (ix86_expand_floorceildf_32): Likewise.
3360 (ix86_expand_floorceil): Likewise.
3361 (ix86_expand_rounddf_32): Likewise.
3362 (ix86_expand_truncdf_32): Likewise.
3363 (ix86_expand_round): Likewise.
3365 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
3366 Mark Mitchell <mark@codesourcery.com>
3368 * gcc.c: Organize search path variables into $prefix relative,
3369 and well-known native. Add comments.
3370 (add_sysrooted_prefix): Add comment.
3371 (process_command): If !gcc_exec_prefix add $prefix based paths.
3372 If *cross_compile == '0', add native well-known paths.
3373 Assert tooldir_base_prefix is always relative.
3374 (main): If print_search_dirs, and if gcc_exec_prefix is set,
3375 use this value for 'install:' path.
3376 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
3378 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3380 * config/i386/i386.c: Fix a typo in comment.
3382 2006-11-13 Michael Matz <matz@suse.de>
3384 * genemit.c (gen_expand): Allocate enough memory.
3386 2006-11-13 Joseph Myers <joseph@codesourcery.com>
3388 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
3389 __GXX_TYPEINFO_EQUALITY_INLINE but not
3390 __GXX_MERGED_TYPEINFO_NAMES.
3391 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
3392 __GXX_MERGED_TYPEINFO_NAMES.
3393 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
3394 __GXX_TYPEINFO_EQUALITY_INLINE.
3396 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3397 Zdenek Dvorak <dvorakz@suse.cz>
3399 PR tree-optimization/29680
3400 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
3403 2006-11-12 Jason Merrill <jason@redhat.com>
3404 Andrew Pinski <pinskia@physics.uc.edu>
3407 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
3409 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
3411 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
3412 * tree.c (build_vector): Handle non-_CST elements.
3414 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3416 * genemit.c (gen_insn): Call gen_exp with a non-null used
3417 when handling multiple insns.
3418 (gen_expand): Likewise.
3419 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3420 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
3421 (movsi_const_16bit+1): Copy operands[1].
3422 (call_pcrel): Copy the call_site pattern.
3423 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
3425 2006-11-12 Roger Sayle <roger@eyesopen.com>
3427 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
3428 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
3429 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
3430 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
3432 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
3434 Fix PR tree-optimization/29587
3435 * tree-ssa-structalias.c (process_constraint): Don't
3436 mark address taken due only to escaped vars constraint.
3438 2006-11-12 Michael Matz <matz@suse.de>
3439 Roger Sayle <roger@eyesopen.com>
3441 PR rtl-optimization/29797
3442 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
3443 BITS_BIG_ENDIAN targets.
3445 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3447 * builtins.c (fold_builtin_cosh): New.
3448 (fold_builtin_1): Use it.
3449 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
3450 trunc to the list of "odd" functions. Also add llrint, lrint,
3451 rint and nearbyint when flag_rounding_math is false.
3453 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3455 * tree-flow.h (name_mappings_registered_p): Declare.
3456 * tree-into-ssa.c (name_mappings_registered_p): New function.
3457 * tree-cfg.c (tree_can_merge_blocks_p): Check
3458 name_mappings_registered_p instead of need_ssa_update_p.
3460 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3462 * tree-ssa-loop.c (tree_vectorize): Return the result of
3464 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
3465 if anything changed.
3466 * tree-vectorizer.h (vectorize_loops): Declaration removed.
3467 * tree-flow.h (vectorize_loops): Declaration changed.
3469 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3471 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
3473 (issue_prefetch_ref): Move assignment to write_p out of loop.
3474 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
3475 SIMULTANEOUS_PREFETCHES into account.
3476 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
3477 * lambda-code.c (lcm): Renamed to ...
3478 (least_common_multiple): ... and exported.
3479 * tree-flow.h (least_common_multiple): Declare.
3481 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3483 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
3484 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
3485 ud-chains. Handle AND_EXPR.
3486 (record_estimate): Record whether the estimate is realistic
3487 and whether it is derived from a loop exit.
3488 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
3489 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
3491 (compute_estimated_nb_iterations): Take only realistic bounds into
3492 account. Set estimate_state. Use double_ints.
3493 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
3494 and infer_loop_bounds_from_signedness. Do not consider basic blocks
3495 that do not have to be always executed.
3496 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
3497 to determine whether to call infer_loop_bounds_from_undefined
3498 and compute_estimated_nb_iterations.
3499 (n_of_executions_at_most): Use double_ints.
3500 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
3501 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
3502 * double-int.c (double_int_to_tree): Improve comment.
3503 (double_int_fits_to_tree_p): New function.
3504 * double-int.h (double_int_fits_to_tree_p): Declare.
3505 * tree-data-ref.c: Include langhooks.h.
3506 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
3507 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
3508 (analyze_array): Do not pass estimate_only argument to
3509 analyze_array_indexes.
3510 (get_number_of_iters_for_loop): Build tree from the stored double_int
3512 (get_references_in_stmt, find_data_references_in_stmt): New functions.
3513 (find_data_references_in_loop): Use find_data_references_in_stmt.
3514 * tree-data-ref.h (struct data_ref_loc_d): New.
3515 (get_references_in_stmt): Declare.
3516 (estimate_iters_using_array): Declaration removed.
3517 * cfgloop.h (struct nb_iter_bound): Change type of bound to
3518 double_int. Improve comments. Add is_exit and realistic
3520 (struct loop): Changed type of estimated_nb_iterations to double_int.
3521 Added estimate_state field.
3522 (record_estimate): Declaration removed.
3524 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3526 * params.c (set_param_value): Initialize the "set" field.
3527 * params.h (struct param_info): Add "set" field.
3528 (PARAM_SET_P): New macro.
3529 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
3530 L1_CACHE_LINE_SIZE): New macros.
3531 * toplev.c (DEFPARAM): Initialize the "set" field.
3532 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
3533 SIMULTANEOUS_PREFETCHES): Removed.
3534 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
3535 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
3536 * config/sparc/sparc.c: Include params.h.
3537 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
3538 L1_CACHE_LINE_SIZE parameters.
3539 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3541 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3543 * config/i386/i386.c: Include params.h.
3544 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
3545 (override_options): Set SIMULTANEOUS_PREFETCHES and
3546 L1_CACHE_LINE_SIZE parameters.
3547 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
3548 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
3549 L1_CACHE_LINE_SIZE parameters.
3550 * config/ia64/ia64.c (ia64_optimization_options): Set
3551 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
3552 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
3554 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
3555 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
3556 * doc/invoke.texi: Document new params.
3558 2006-11-12 Roger Sayle <roger@eyesopen.com>
3560 PR tree-optimization/13827
3561 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
3564 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3566 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
3567 update_single_exit_for_duplicated_loops): New functions.
3568 (duplicate_loop_to_header_edge): Use
3569 update_single_exit_for_duplicated_loops.
3570 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
3571 functions only with ENABLE_CHECKING.
3573 2006-11-12 Andreas Schwab <schwab@suse.de>
3575 * except.c (sjlj_emit_function_enter): Remove unused variable.
3577 2006-11-11 Roger Sayle <roger@eyesopen.com>
3579 * fold-const.c (int_binop_types_match_p): New function.
3580 (size_binop): Relax constraint that both arguments must both have
3581 exactly the same sizetype type. Instead use int_binop_types_match_p.
3582 (size_diffop): Likewise.
3584 (make_range): Use build_int_cst instead of fold_convert.
3585 (fold_cond_expr_with_comparison): Use build_int_cst to construct
3586 integer constants of the correct type.
3587 (fold_div_compare): Likewise.
3588 (fold_single_bit_test): Likewise.
3589 (fold_binary): Likewise.
3590 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
3591 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
3593 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
3596 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
3597 non null value if the struct memory access is in the 0th
3600 2006-11-12 Jie Zhang <jie.zhang@analog.com>
3603 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3604 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3607 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
3608 instead of builtin_define for bfin and BFIN.
3610 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3612 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3615 2006-11-11 Jan Hubicka <jh@suse.cz>
3617 * extend.texi (__builtin_expect): We no longer require second argument
3619 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
3620 * builtins.c (expand_builtin_expect): Simplify.
3621 (expand_builtin_expect_jump): Kill.
3622 * final.c (final_scan_insn): Do not skip the removed notes.
3623 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
3624 EXPECTED_VALUE): Remove.
3625 * dojump.c (do_jump): Do not care about __builtin_expect.
3626 * predict.c (expected_value_to_br_prob): Kill.
3627 * function.c (expand_function_end): Do not expand
3628 NOTE_INSN_REPEATED_LINE_NUMBER.
3629 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
3630 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
3631 * cfgexpand.c (add_reg_br_prob_note): Export.
3632 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3633 expected_value_to_br_prob.
3634 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
3635 * rtl.h (add_reg_br_prob_note): Declare.
3637 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3639 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
3641 2006-11-11 Jan Hubicka <jh@suse.cz>
3643 * predict.c (predict_loops): Kill RTL variant.
3645 2006-11-11 Jan Hubicka <jh@suse.cz>
3647 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
3648 * modulo-sched.c (find_line_note): Remove.
3649 (loop_canon_p): Do not worry about line number notes.
3650 (sms_schedule): Likewise.
3651 * cse.c (cse_main): Likewise.
3652 * regmove.c (fixup_match_1): Likewise
3653 * function.c (emit_return_info_block): Likewise.
3654 (expand_function_end): Likewise.
3655 (thread_prologue_an_epilogue_insns): Likewise.
3656 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
3658 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
3659 emit_note_copy_after): Kill.
3660 (emit_note_copy): Do not worry about line numbers.
3661 * jump.c (purge_line_number_notes): Kill.
3662 (pass_purge_lineno_notes): Kill.
3663 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
3665 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
3666 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
3667 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
3668 * tree-pass.h (pass_purge_lineno_notes): Kill.
3669 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
3670 rm_redundant_line_notes.
3671 * sched-rgb.c (schedule_region): Don't rm_line_notes,
3672 rm_redundant_line_notes.
3673 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
3674 * haifa-sched.c: Update comment about handling notes.
3675 (unlink_line_notes): Kill.
3676 (rm_line_notes): Kill.
3677 (save_line_notes): Simplify.
3678 (rm_redundant_line_notes): Kill.
3680 2006-11-11 Richard Guenther <rguenther@suse.de>
3682 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
3683 Remove unused tree codes.
3684 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
3685 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
3686 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3687 * tree.c (stabilize_reference): Likewise.
3688 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
3689 fold_unary): Likewise.
3690 * tree-gimple.c (is_gimple_cast): Likewise.
3691 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
3692 * expr.c (expand_expr_real_1): Likewise.
3693 * tree-eh.c (tree_could_trap_p): Likewise.
3694 * gimplify.c (gimplify_expr): Likewise.
3695 * tree-inline.c (estimate_num_insns_1): Likewise.
3696 * tree-cfg.c (verify_expr): Likewise.
3698 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
3700 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
3701 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
3702 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
3704 2006-11-11 Richard Sandiford <richard@codesourcery.com>
3707 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
3708 constraints accept neither registers or memories.
3710 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3712 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
3713 (NO_PROFILE_COUNTERS): Define as 1.
3715 2006-11-10 Roger Sayle <roger@eyesopen.com>
3717 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
3718 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
3720 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
3722 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
3724 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3726 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
3727 (fold_builtin_hypot): Likewise.
3728 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
3730 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
3732 2006-11-10 Roger Sayle <roger@eyesopen.com>
3734 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
3735 when attempting to build INTEGER_CSTs of non-integral types.
3736 * expmed.c (make_tree): Use the correct type, i.e. the inner
3737 type, when constructing the individual elements of a CONST_VECTOR.
3739 2006-11-10 Jan Hubicka <jh@suse.cz>
3741 * cse.c (cse_process_notes): Copy the propagated value.
3742 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
3744 * gcse.c (try_replace_reg): Copy the replacement.
3745 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
3746 (assign_386_stack_local): Always return copied memory expression
3747 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
3750 2006-11-10 Jan Hubicka <jh@suse.cz>
3752 * final.c (final): Walk from first instruction.
3753 * cfglayout.c (insn_locators_initialize): Remove line number notes.
3755 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
3758 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
3760 (umulv8hi3_highpart): Ditto.
3761 (vec_widen_smult_hi_v8hi): New expander.
3762 (vec_widen_smult_lo_v8hi): Ditto.
3764 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3767 * builtins.c (do_mpfr_arg3): New.
3768 (fold_builtin_1): Handle builtins fma, fmin and fmax.
3770 2006-11-09 Eric Christopher <echristo@apple.com>
3775 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
3776 * config.gcc (powerpc64-*-darwin*): New target.
3777 * config.host: Ditto.
3778 * config/rs6000/darwin64.h: New file.
3779 * config/rs6000/x-darwin64: Ditto.
3780 * config/rs6000/host-ppc64-darwin.c: Ditto.
3782 2006-11-09 Steve Ellcey <sje@cup.hp.com>
3784 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
3785 routines for integer division.
3787 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
3789 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
3791 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3794 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
3796 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3798 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
3799 simplify_subreg with BLKmode outer mode.
3801 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
3803 * doc/invoke.texi: Minor formatting fixes in option lists.
3805 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
3807 PR tree-optimization/29738
3808 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
3809 (ccp_lattice_t): Remove UNKNOWN_VAL.
3810 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
3811 Do not handle UNKNOWN_VAL.
3812 (get_default_value): Set initial value of virtual operands to
3814 (get_value): Always use get_default_value on uninitialized
3816 (set_value_varying, surely_varying_stmt_p): New functions.
3817 (set_lattice_value): Do not pass argument to get_value.
3818 Do not handle UNKNOWN_VAL.
3819 (likely_value): Follow the semantics described in the comment.
3820 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
3821 phi nodes DONT_SIMULATE_AGAIN.
3822 (ccp_fold): Do not pass argument to get_value.
3823 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
3826 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
3828 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
3829 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
3831 2006-11-08 Roger Sayle <roger@eyesopen.com>
3833 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
3834 test for inclusion rather than as a test for exclusion.
3835 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
3836 the condition after calling fold_binary.
3837 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
3838 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
3839 * builtins.c (fold_builtin_isascii): Likewise.
3840 (fold_builtin_isdigit): Likewise.
3842 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
3844 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
3845 * configure: Regenerate.
3847 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3849 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
3850 enum argument instead of bool.
3851 (vect_analyze_operations): Call vectorizable_type_promotion.
3852 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
3853 stmt_vec_info_type value.
3854 (supportable_widening_operation, vectorizable_type_promotion): New
3855 function declarations.
3856 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
3857 (vectorizable_type_promotion): New function.
3858 (vect_transform_stmt): Call vectorizable_type_promotion.
3859 * tree-vect-analyze.c (supportable_widening_operation): New function.
3860 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
3862 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3865 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
3866 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
3867 * tree-inline.c (estimate_num_insns_1): Add cases for above new
3869 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3870 * expr.c (expand_expr_real_1): Likewise.
3871 * optabs.c (optab_for_tree_code): Likewise.
3872 (init_optabs): Initialize new optabs.
3873 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
3874 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
3875 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
3876 vec_unpacku_lo_optab): Initialize new optabs.
3877 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
3878 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
3879 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
3881 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
3882 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
3883 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
3884 (vec_unpacku_lo_optab): New optabs.
3885 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
3886 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
3887 (vec_widen_smult_hi, vec_widen_smult_lo): New.
3888 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
3889 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
3890 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
3892 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
3893 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
3894 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
3895 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
3896 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
3897 implement the unsigned unpacking patterns.
3898 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
3899 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
3900 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
3901 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
3902 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
3903 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
3904 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
3905 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
3906 multiplication patterns.
3908 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
3909 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
3910 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
3911 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
3912 (rs6000_builtin_mul_widen_odd): New.
3913 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
3914 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
3915 * tree-vectorizer.h (enum vect_relevant): New enum type.
3916 (_stmt_vec_info): Field relevant chaned from bool to enum
3918 (STMT_VINFO_RELEVANT_P): Updated.
3919 (STMT_VINFO_RELEVANT): New.
3920 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
3921 instead of STMT_VINFO_RELEVANT_P.
3922 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
3923 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
3924 and boolean variable with enum vect_relevant.
3925 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
3926 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
3927 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
3929 2006-11-08 Richard Henderson <rth@redhat.com>
3931 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
3932 vec_widen_umult_lo_v8hi): New.
3933 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
3934 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
3936 * config/i386/i386.c (ix86_expand_sse_unpack): New.
3937 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
3938 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
3939 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
3940 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
3941 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
3942 vec_unpacks_lo_v4si): New.
3944 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3946 * tree-vect-transform.c (vectorizable_type_demotion): New function.
3947 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
3948 (vect_analyze_operations): Call vectorizable_type_demotion.
3949 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
3950 stmt_vec_info_type value.
3951 (vectorizable_type_demotion): New function declaration.
3952 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3955 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
3956 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
3958 * tree-iniline.c (estimate_num_insns_1): Likewise.
3959 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3960 * optabs.c (optab_for_tree_code): Likewise.
3962 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
3963 compared against the predicate of the result is not 'mode' (the input
3964 to the function) but a mode with half the size of 'mode'.
3965 (init_optab): Initialize new optabs.
3966 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
3968 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
3970 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
3971 (vec_pack_usat_optab): Initialize new optabs.
3972 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
3973 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
3975 2006-11-08 Richard Henderson <rth@redehat.com>
3977 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
3978 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
3979 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
3980 (vec_interleave_highv4si, vec_interleave_lowv4si):
3981 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
3983 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3985 * tree-vect-transform.c (vectorizable_reduction): Support multiple
3987 (vect_transform_stmt): Removed redundant code.
3989 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3991 * tree-vect-transform.c (vectorizable_operation): Support multiple
3994 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3996 * tree-vect-transform.c (vect_align_data_ref): Removed.
3997 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
3998 Updated function documentation. Return the increment stmt in ptr_incr.
3999 (bump_vector_ptr): New function.
4000 (vect_get_vec_def_for_stmt_copy): New function.
4001 (vect_finish_stmt_generation): Create a stmt_info to newly created
4003 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
4005 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
4006 VF is greater than the number of elements that can fit in one vector
4008 (vectorizable_operation, vectorizable_condition): Likewise.
4009 (vectorizable_store, vectorizable_load): Support the case that the VF
4010 is greater than the number of elements that can fit in one vector word.
4011 (vect_transform_loop): Don't fail in case of multiple data-types.
4012 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
4013 in case of multiple data-types; the smallest type determines the VF.
4014 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
4015 if they are of different sizes.
4016 (vect_update_misalignment_for_peel): Compare misalignments in terms of
4017 number of elements rather than number of bytes.
4018 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
4019 (vect_can_advance_ivs_p): Fix a dump printout
4021 2006-11-07 Eric Christopher <echristo@apple.com>
4023 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
4024 (__bswapsi2): Ditto.
4025 * libgcc2.h: Remove transformation of bswap routines.
4026 * config/i386/i386.md (bswapsi2): New.
4029 2006-11-07 Jakub Jelinek <jakub@redhat.com>
4031 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
4032 (handle_gnu_inline_attribute): New function.
4033 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
4034 (merge_decls, start_decl, start_function): Likewise.
4035 * doc/extend.texi: Document gnu_inline attribute.
4037 2006-11-07 Steve Ellcey <sje@cup.hp.com>
4040 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
4041 _fixunstfdi, and _floatditf
4043 2006-11-06 Anatoly Sokolov <aesok@post.ru>
4045 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
4047 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
4048 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
4049 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
4050 which start in an odd register.
4052 2006-11-07 Richard Sandiford <richard@codesourcery.com>
4054 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
4056 2006-11-07 Josh Conner <jconner@apple.com>
4058 * doc/invoke.texi (fstrict-aliasing): Move implementation
4060 * doc/tree-ssa.texi (Alias analysis): ...here.
4062 2006-11-07 Richard Guenther <rguenther@suse.de>
4064 PR tree-optimization/29610
4065 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
4066 of tree_purge_dead_eh_edges as it may free dominators.
4068 * g++.dg/other/pr29610.C: New testcase.
4070 2006-11-07 David Ung <davidu@mips.com>
4072 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
4073 costs when optimizing for size.
4074 (override_options): Use mips_rtx_cost_optimize_size table for cost
4077 2006-11-07 Jie Zhang <jie.zhang@analog.com>
4079 * gcc.c (process_command): Treat -b as normal switch if its argument
4082 2006-11-07 David Ung <davidu@mips.com>
4084 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
4087 2006-11-06 Eric Christopher <echristo@apple.com>
4089 * config.gcc: Add x86_64-darwin host support.
4090 * config.host: Ditto.
4091 * config/i386/darwin64.h: New file.
4092 * config/i386/t-darwin64: Ditto.
4094 2006-11-06 Janis Johnson <janis187@us.ibm.com>
4096 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
4097 and output-exists-not.
4099 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
4102 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
4103 checking for overflow.
4105 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
4107 * configure.ac: Fixed typo in case statement: :: changed to ;;
4109 2006-11-06 Bob Wilson <bob.wilson@acm.org>
4111 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
4112 count_leading_zeros, and count_trailing_zeros.
4113 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
4114 (TARGET_FOLD_BUILTIN): Define.
4115 (TARGET_EXPAND_BUILTIN): Define.
4116 (xtensa_init_builtins): New.
4117 (xtensa_fold_builtin): New.
4118 (xtensa_expand_builtin): New.
4119 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
4120 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
4121 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
4122 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
4123 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
4124 (any_extend): New code macro.
4125 (u, su): New code attributes.
4126 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
4127 (nsau): Remove; replaced by clzsi2.
4128 (ffssi2): Use clzsi2.
4129 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
4130 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
4131 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
4132 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
4133 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
4135 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
4137 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
4139 * config/arm/t-strongarm-elf: Likewise.
4140 * config/arm/t-pe: Likewise.
4141 * config/arm/t-arm-elf: Likewise.
4142 * config/arm/t-xscale-elf: Likewise.
4143 * config/arm/t-arm-coff: Likewise.
4144 * config/arm/t-xscale-coff: Likewise.
4145 * config/arm/t-wince-pe: Likewise.
4147 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
4149 * config/sh/lib1funcs-4-300.asm: Guard entire file with
4152 2006-11-05 Jakub Jelinek <jakub@redhat.com>
4155 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
4158 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
4161 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
4162 as a valid 80387 constant.
4163 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
4164 * config/i386/i386.md (unnamed splitter): Split the load of
4165 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
4168 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
4170 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
4171 from the soft-frame, argument and virtual registers.
4173 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
4175 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
4176 patterns for standard 80387 constants.
4178 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
4179 Steven Bosscher <steven@gcc.gnu.org>
4181 * fwprop.c: New file.
4182 * Makefile.in: Add fwprop.o.
4183 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
4184 * passes.c (init_optimization_passes): Schedule forward propagation.
4185 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
4187 * timevar.def (TV_FWPROP): New.
4188 * common.opt (-fforward-propagate): New.
4189 * opts.c (decode_options): Enable forward propagation at -O2.
4190 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
4191 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
4192 canon_for_address, table_size): Remove.
4193 (new_basic_block, insert, remove_from_table): Remove references to
4195 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
4196 simplification loop more straightforward by not calling fold_rtx
4198 (equiv_constant): Move here a small part of fold_rtx_subreg,
4199 do not call fold_rtx. Call avoid_constant_pool_reference
4201 * recog.h (canonicalize_change_group): New.
4203 * doc/invoke.texi (Optimization Options): Document fwprop.
4204 * doc/passes.texi (RTL passes): Document fwprop.
4206 2006-11-03 Geoffrey Keating <geoffk@apple.com>
4208 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
4209 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
4210 (grokdeclarator): Likewise.
4212 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
4214 * tree-dump.c (dump_enable_all): Rename local variable
4215 ir_type to avoid name conflicts.
4216 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
4217 instead of using ir_type().
4218 * profile.c (tree_register_profile_hooks): Likewise.
4219 * value-prof.c (tree_register_value_prof_hooks): Likewise.
4220 * basic-block.h (struct edge_def): Likewise.
4221 * config/arm/arm.c (legitimize_pic_address): Likewise.
4222 * coretypes.h (ir_type): New enum of all intermediate languages
4224 * cfghooks.c (ir_type): Rename to...
4225 (current_ir_type): ...this. Distinguish between cfgrtl and
4226 cfglayout mode when the current IR is RTL. Return enum ir_type.
4227 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
4229 2006-11-03 Paul Brook <paul@codesourcery.com>
4231 * config/arm/arm.c (arm_file_start): New function.
4232 (TARGET_ASM_FILE_START): Define.
4233 (arm_default_cpu): New variable.
4234 (arm_override_options): Set arm_default_cpu.
4236 2006-11-03 David Ung <davidu@mips.com>
4238 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
4239 PROCESSOR_24KC and PROCESSOR_24KF.
4240 * config/mips/mips.c (mips_cpu_info_table): Add processor names
4241 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
4242 (mips_rtx_cost_data): Add costs for the 24kc.
4243 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
4244 * config/mips/24k.md: Remove references to 24k and replace with
4245 uses of 24kc/24kf in the appropriate reservations.
4246 * doc/invoke.texi (MIPS Options): Updated.
4248 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
4250 * config/sh/crt1.asm: Fix #ifdef indent.
4252 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
4253 Merged from STMicroelectronics sources:
4254 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
4255 * config/sh/crt1.asm (vbr_600): Add missing #if.
4256 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
4257 * sh.opt (mfused-madd): New option.
4258 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
4259 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4260 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
4261 Remove pointless handler at VBR+0.
4262 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
4263 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
4264 fr7. Make sure the timer handler is called with the correct FPU
4265 precision setting, according to the ABI.
4266 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
4267 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
4268 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
4269 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
4270 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
4271 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
4272 zero as second operand.
4273 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
4274 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
4275 Fixed some bugs related to negative values, in particular -0
4276 and overflow at -0x80000000.
4277 * config/sh/divcost-analysis: Added sh4-300 figures.
4278 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
4279 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
4280 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
4281 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
4282 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
4283 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
4285 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
4287 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
4288 SH4-300 scheduling description & fixes to SH4-[12]00 description:
4289 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
4290 mac_mem, mem_mac, dfp_mul, fp_cmp.
4291 (insn_class, dfp_comp, any_fp_comp): Update.
4292 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
4293 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
4294 (muldf3_i): Likewise.
4295 (movsi_i): Split rI08 alternative into two separate alternatives.
4297 (movsi_ie, movsi_i_lowpart): Likewise.
4298 (movqi_i): Split ri alternative into two separate alternatives.
4300 * sh1.md (sh1_load_store, sh1_fp): Update.
4301 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
4302 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
4303 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
4304 (sh4a_fp_double_arith): Likewise.
4305 * sh4-300.md: New file.
4306 * sh.c (sh_handle_option): Handle m4-300* options.
4307 (sh_adjust_cost): Fix latency of auto-increments.
4308 Handle SH4-300 differently than other SH4s. Check for new insn types.
4309 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
4310 been set by an option.
4311 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
4312 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
4313 (mbranch-cost=): Likewise.
4314 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
4316 * sh.md (mulsf3): Remove special expansion code.
4317 (mulsf3_ie): Now a define_insn_and_split.
4318 (macsf3): Allow for TARGET_SH4.
4320 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
4321 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
4322 (expand_cbranchdi4): Likewise.
4323 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
4324 CONST_DOUBLE if the outer code is COMPARE.
4325 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
4326 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
4327 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
4328 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
4329 Remove redundant fp_{zero,one}_operand checks.
4330 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
4331 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
4332 (expand_cbranchdi4): Likewise.
4333 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
4334 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
4336 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
4338 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
4341 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
4343 * doc/invoke.texi: Fix mfp-trap-mode typo.
4345 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
4347 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
4348 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
4349 file_end_indicate_exec_stack.
4350 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
4352 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
4353 for a non-executable stack.
4354 * crti.asm: Likewise.
4355 * crtn.asm: Likewise.
4356 * libunwind.S: Likewise.
4358 2006-11-02 Ben Elliston <bje@au.ibm.com>
4360 * tree-ssa.c (warn_uninit): Use expand_location variables for
4361 locus and declaration locus.
4363 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
4366 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
4367 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
4368 cmp{eq,gt,gtu}{si,di}_media.
4369 (*cmpne0si_media): Remove.
4370 (*movsicc_umin): Adjust gen_cmp*_media call.
4371 (unordered): Change the mode of unordered and operands[1] to
4373 (seq): Adjust gen_cmp*_media calls. Make the mode of
4374 a temporary result of compare SImode if needed. If the mode
4375 of operands[0] is DImode, extend the temporary result to DImode.
4376 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
4377 (sunorderd): Change the mode of match_operand and unorderd to
4379 (cmpeq{sf,df}_media): Remove.
4380 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
4381 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
4382 and compare operation to SImode.
4384 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
4386 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
4388 (sparc64-sun-solaris2*): Likewise.
4390 2006-11-02 Paul Brook <paul@codesourcery.com>
4392 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
4393 from priority argument. Use different section for non-default
4395 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
4397 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
4400 * except.c (switch_to_exception_section): Do not cache the section
4401 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4402 and flag_function_sections is set.
4404 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4407 * builtins.c (do_mpfr_sincos): New.
4408 (fold_builtin_1): Use it to fold builtin sincos.
4410 2006-11-01 Roger Sayle <roger@eyesopen.com>
4412 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
4413 it into -D_REENTRANT.
4415 2006-11-01 Roger Sayle <roger@eyesopen.com>
4417 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
4418 whether the assembler supports taking the difference of symbols in
4419 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
4420 * configure: Regenerate.
4421 * config.in: Regenerate.
4422 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
4423 the assembler doesn't support taking the difference of symbols in
4424 different sections, i.e. we're using the native solaris assembler.
4426 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
4427 Peter Bergner <bergner@vnet.ibm.com>
4429 * doc/invoke.texi: Add cpu_type power6x
4430 (RS/6000 and PowerPC Options): Add -mmfpgpr.
4431 * config.gcc: Add cpu_type power6x.
4432 * configure.ac: Add test for mf{t,f}gpr instructions.
4433 (HAVE_AS_MFPGPR): New.
4434 * config.in: Regenerate.
4435 * configure: Regenerate.
4436 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
4437 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
4438 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
4439 and mftgpr attributes.
4440 (define_attr "cpu"): Add power6.
4441 Change instruction sequences to use new attributes.
4442 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
4443 (fix_truncdfsi2_mfpgpr): New.
4444 (floatsidf_ppc64_mfpgpr): New.
4445 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
4446 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
4447 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
4448 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
4449 (fix_truncdfsi2): Use gpc_reg_operand constraint.
4450 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
4451 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
4452 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
4453 cntlz,exts and var_delayed_compare.
4454 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4455 _ARCH_PWR6X, if features enabled.
4456 * config/rs6000/rs6000.opt (mmfpgpr): New.
4457 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
4458 (cached_can_issue_more): New variable.
4459 (processor_costs): Add power6_cost.
4460 (rs6000_sched_init): New function.
4461 (is_dispatch_slot_restricted): Deleted.
4462 (set_to_load_agen): New function.
4463 (is_load_insn,is_store_insn): New functions.
4464 (adjacent_mem_locations): New function.
4465 (insn_must_be_first_in_group): New function.
4466 (insn_must_be_last_in_group): New function.
4467 (rs6000_sched_reorder): New function.
4468 (rs6000_sched_reorder2): New function.
4469 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
4470 TARGET_SCHED_REORDER2): Define.
4471 (processor_target_table): Use PROCESSOR_POWER6 for power6.
4472 Add power6x. Add MASK_MFPGPR for power6x.
4473 (POWERPC_MASKS): Add MASK_MFPGPR.
4474 (rs6000_override_options): Set rs6000_always_hint to false
4475 for power6. Set rs6000_align_branch_targets. Replace
4476 rs6000_sched_groups check with rs6000_align_branch_targets.
4477 Use PROCESSOR_POWER6.
4478 (last_scheduled_insn): New variable.
4479 (load_store_pendulum): New variable.
4480 (rs6000_variable_issue): Set last_scheduled_insn and
4481 cached_can_issue_more.
4482 (rs6000_adjust_cost): Add power6 cost adjustments.
4483 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
4484 with insn_must_be_first_in_group. Add power6 priority adjustments.
4485 (rs6000_issue_rate): Add CPU_POWER6.
4486 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
4487 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
4488 (TARGET_MFPGPR): New.
4489 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
4490 (ASM_CPU_SPEC): Add power6x.
4491 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
4493 * config/rs6000/power6.md: New file.
4495 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
4497 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4498 HOST_WIDE_INT_PRINT to print high and low parts. Use
4499 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
4500 printing a hexadecimal number prefix it with 0x.
4502 2006-11-01 Chris Johns <chris@contemporary.net.au>
4505 * Makefile.in (install-driver): Use exeext when installing
4506 $target-gcc-$version.
4508 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
4510 * c-common.c (flag_cpp0x): New.
4511 * c-common.h (flag_cpp0x): New.
4512 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
4513 supported, define __GXX_EXPERIMENTAL_CPP0X__.
4514 * c-opts.c (set_std_cxx0x): New.
4515 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
4516 * c.opt (std=c++0x): Document.
4517 (std=gnu++0x): Ditto.
4518 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
4519 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
4521 2006-11-01 Richard Guenther <rguenther@suse.de>
4523 * config/i386/i386.c (ix86_expand_rint): Fix issues with
4525 (ix86_expand_floorceildf_32): Likewise.
4526 (ix86_expand_floorceil): Likewise.
4527 (ix86_expand_trunc): Likewise.
4529 2006-10-31 Andrew Pinski <pinskia@gmail.com>
4531 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
4534 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
4536 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
4538 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
4540 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
4542 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
4543 * configure.ac (use_cxa_atexit): As a special case, don't test
4544 for libc definition of __cxa_atexit on mingw32
4545 * configure: Regenerate.
4546 * config.gcc (i[34567]86-pc-mingw32): Default to
4547 enable__cxa_atexit=yes.
4549 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4551 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
4553 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4556 * c-decl.c (start_struct): Don't create self-containing
4558 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4560 * config/rs6000/rs6000-protos.h
4561 (darwin_rs6000_special_round_type_align): New.
4562 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
4563 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
4565 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4567 * toplev.c (compile_file): Call final_write_globals
4568 even if there have been errors.
4570 2006-10-31 Eric Christopher <echristo@apple.com>
4571 Falk Hueffner <falk@debian.org>
4573 * doc/extend.texi (__builtin_bswap32): Document.
4574 (__builtin_bswap64): Ditto.
4575 * doc/libgcc.texi (bswapsi2): Document.
4577 * doc/rtl.texi (bswap): Document.
4578 * optabs.c (expand_unop): Don't widen a bswap.
4579 (init_optabs): Init bswap. Set libfuncs explicitly
4580 for bswapsi2 and bswapdi2.
4581 * optabs.h (OTI_bswap): New.
4582 (bswap_optab): Ditto.
4583 * genopinit.c (optabs): Handle bswap_optab.
4584 * tree.h (tree_index): Add TI_UINT32_TYPE and
4586 (uint32_type_node): New.
4587 (uint64_type_node): Ditto.
4588 * tree.c (build_common_tree_nodes_2): Initialize
4589 uint32_type_node and uint64_type_node.
4590 * builtins.c (expand_builtin_bswap): New.
4591 (expand_builtin): Call.
4592 (fold_builtin_bswap): New.
4593 (fold_builtin_1): Call.
4594 * fold-const.c (tree_expr_nonnegative_p): Return true
4596 * builtin-types.def (BT_UINT32): New.
4598 (BT_FN_UINT32_UINT32): Ditto.
4599 (BT_FN_UINT64_UINT64): Ditto.
4600 * builtins.def (BUILT_IN_BSWAP32): New.
4601 (BUILT_IN_BSWAP64): Ditto.
4602 * rtl.def (BSWAP): New.
4603 * genattrtab.c (check_attr_value): New.
4604 * libgcc2.c (__bswapSI2): New.
4605 (__bswapDI2): Ditto.
4606 * libgcc2.h (__bswapSI2): Declare.
4607 (__bswapDI2): Ditto.
4608 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
4609 * simplify-rtx.c (simplify_const_unary_operation): Return
4611 * libgcc-std.ver (__bwapsi2): Add.
4612 (__bswapdi2): Ditto.
4613 * reload1.c (eliminate_regs_1): Add bswap.
4614 (elimination_effects): Ditto.
4615 * config/i386/i386.h (x86_bswap): New.
4616 (TARGET_BSWAP): Use.
4617 * config/i386/i386.c (x86_bswap): Set.
4619 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4621 * coverage.c (coverage_checksum_string): Update comment.
4622 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
4623 of get_file_function_name.
4624 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
4625 of get_file_function_name_long.
4626 * tree.c (get_file_function_name): Rename from
4627 get_file_function_name_long; improve comment; handle 'I' and 'D'
4628 specially when the target has ctor/dtor support; remove special
4630 (get_file_function_name): Remove.
4631 * tree.h (get_file_function_name): Rename from
4632 get_file_function_name_long.
4633 (get_file_function_name): Remove prototype.
4635 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4637 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
4638 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
4640 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
4641 Call dsymutil when compiling and linking one or more source files
4644 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4647 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
4649 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4651 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
4652 inline static functions in c99 mode.
4655 * doc/extend.texi (Inline): Update.
4656 * c-tree.h (struct language_function): Remove field 'extern_inline'.
4657 * c-decl.c (current_extern_inline): Delete.
4658 (pop_scope): Adjust test for an undefined nested function.
4659 Add warning about undeclared inline function.
4660 (diagnose_mismatched_decls): Update comments. Disallow overriding
4661 of inline functions in a translation unit in C99. Allow inline
4662 declarations in C99 at any time.
4663 (merge_decls): Boolize variables. Handle C99 'extern inline'
4665 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
4666 C99 inline semantics.
4667 (start_function): Don't clear current_extern_inline. Don't set
4669 (c_push_function_context): Don't push current_extern_inline.
4670 (c_pop_function_context): Don't restore current_extern_inline.
4673 * c-typeck.c (build_external_ref): Warn about static variables
4674 used in extern inline functions.
4675 * c-decl.c (start_decl): Warn about static variables declared
4676 in extern inline functions.
4678 2006-10-31 Roger Sayle <roger@eyesopen.com>
4681 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
4682 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
4683 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
4684 or y is an even integer.
4686 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
4689 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
4690 * gthr-posix95.h (__gthread_active_p): Likewise.
4692 2006-10-31 Richard Guenther <rguenther@suse.de>
4694 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
4695 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
4696 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
4697 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
4698 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
4699 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
4700 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
4701 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
4704 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
4706 * opts.c (decode_options): Disable CSE skip blocks.
4708 2006-10-30 Dirk Mueller <dmueller@suse.de>
4710 * c-common.h (strict_aliasing_warning): Fix whitespace.
4711 * c-decl (start_function): Move code for main decl warning ..
4712 * c-common.c (check_main_parameter_types): .. here.
4713 * c-common.h (check_main_parameter_types): Declare.
4715 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4718 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
4720 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
4722 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
4723 be a PARALLEL containing sets. Return false when out_pat is not
4726 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4728 * config/mips/mips.md (mul<mode>3): Split into...
4729 (mulsi3, muldi3): ...these separate patterns.
4731 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4733 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
4734 but with each set of options separated by spaces.
4736 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
4738 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
4739 dwarf_reg_size_table has been initialized.
4741 2006-10-30 Roger Sayle <roger@eyesopen.com>
4743 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
4744 * ddg.c (print_ddg_edge): Likewise.
4745 * dwarf2out.c (prune_unused_types_walk): Likewise.
4746 * ifcvt.c (noce_try_cmove_arith): Likewise.
4747 * langhooks.c (add_builtin_function): Likewise.
4748 * reg-stack.c (subst_stack_regs_pat): Likewise.
4749 * tree.c (expanded_location): Likewise.
4750 * tree-dump.c (dequeue_and_dump): Likewise.
4752 2006-10-30 David Daney <ddaney@avtrex.com>
4754 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
4756 2006-10-30 Jakub Jelinek <jakub@redhat.com>
4758 PR tree-optimization/29637
4759 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
4760 of the innertype is the innertype itself.
4762 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
4764 * dwarf2out.c (file_name_acquire): Correct typo.
4766 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
4768 * tree.h (tree_value_handle): Remove struct value_set declaration.
4769 Change value_set to bitmap_set.
4770 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
4771 * tree-vn.c (get_value_handle): Made inline and moved to
4773 * tree-flow-inline.h: (has_stmt_ann): New function.
4774 * tree-ssa-pre.c (expressions): New variable.
4775 (next_expression_id): Ditto.
4776 (alloc_expression_id): New function.
4777 (struct value_set): Remove.
4778 (get_expression_id): New function.
4779 (get_or_alloc_expression_id): Ditto.
4780 (expression_for_id): Ditto.
4781 (clear_expression_ids): Ditto.
4782 (FOR_EACH_EXPR_ID_IN_SET): New macro.
4783 (bb_value_sets): Renamed to bb_bitmap_sets.
4784 All value sets replaced with bitmap_sets.
4786 (BB_VISITED): New macro.
4787 (postorder): New variable.
4788 (add_to_value): Removed.
4789 (value_exists_in_set_bitmap): Ditto.
4790 (value_insert_into_set_bitmap): Ditto.
4793 (set_remove): Ditto.
4794 (set_contains_value): Ditto.
4795 (insert_into_set): Ditto.
4797 (find_leader): Ditto.
4798 (bitmap_set_subtract_from_value_set): Ditto.
4799 (value_insert_into_set): Ditto.
4800 (print_value_set): Ditto.
4801 (debug_value_set): Ditto.
4802 (constant_expr_p): New function.
4803 (bitmap_remove_from_set): Ditto.
4804 (bitmap_insert_into_set): Ditto.
4805 (bitmap_set_free): Ditto.
4806 (vh_compare): Ditto.
4807 (sorted_array_from_bitmap_set): Ditto.
4808 (bitmap_set_subtract): Ditto.
4809 (bitmap_set_equal): Ditto.
4810 (debug_bitmap_set): Ditto.
4811 (find_leader_in_sets): Ditto.
4812 (bitmap_set_replace_value): Modify for bitmapped sets.
4813 (phi_translate): Ditto.
4814 (phi_translate_set): Ditto.
4815 (bitmap_find_leader): Ditto.
4816 (valid_in_sets): Ditto.
4817 (union_contains_value): Ditto.
4819 (compute_antic_aux): Ditto. Mark changed blocks.
4820 (compute_antic): Ditto. Iterate in postorder and only over
4822 (compute_rvuse_and_antic_safe): Reuse postorder.
4823 (create_component_ref_by_pieces): Modify for bitmapped sets.
4824 (find_or_generate_expression): Ditto.
4825 (create_expression_by_pieces): Ditto.
4826 (insert_into_preds_of_block): Ditto.
4827 (changed_blocks): New variable.
4828 (do_regular_insertion): Broken out from insert_aux.
4829 (insert_aux): Modified for bitmapped sets.
4830 (find_existing_value_expr): New function.
4831 (create_value_expr_from): Use it.
4832 (insert_extra_phis): Removed.
4833 (print_bitmap_set): Renamed from bitmap_print_value_set.
4834 (compute_avail): Handle RETURN_EXPR.
4835 (init_pre): Modify for bitmapped sets.
4836 * tree-flow.h (has_stmt_ann): New function.
4838 2006-10-29 Roger Sayle <roger@eyesopen.com>
4840 * builtins.c (fold_builtin_floor): Check for the availability of
4841 the C99 trunc function before transforming floor into trunc.
4843 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4845 * builtins.c (fold_builtin_hypot): Rearrange recursive
4846 transformation before others, and also do ABS_EXPR. When
4847 necessary, check flag_unsafe_math_optimizations. When necessary,
4850 2006-10-29 Roger Sayle <roger@eyesopen.com>
4852 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
4853 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
4854 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
4855 Fold -X eq/ne -Y as X eq/ne Y.
4857 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4859 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
4860 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
4861 rather than GENERATE_MULT3_SI in the various define_peephole2s.
4862 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
4863 Use an inclusive test for "mult" rather than "mul".
4864 (rotr<mode>3): Depend on ISA_HAS_ROR.
4865 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
4867 (GENERATE_MULT3_DI): Delete.
4868 (ISA_HAS_64BIT_REGS): Use consistent formatting.
4869 (ISA_HAS_MUL3): New macro.
4870 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
4871 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
4872 (ISA_HAS_CLZ_CLO): Likewise.
4873 (ISA_HAS_DCLZ_DCLO): Delete.
4874 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
4875 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
4876 the VR4120 and VR4130.
4877 (ISA_HAS_MACCHI): Use consistent formatting.
4878 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
4879 (ISA_HAS_ROR): ...this new macro.
4880 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
4881 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
4882 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
4884 2006-10-29 Roger Sayle <roger@eyesopen.com>
4886 PR tree-optimization/15458
4887 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
4890 2006-10-29 Richard Guenther <rguenther@suse.de>
4892 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
4893 (ix86_expand_truncdf_32): Likewise.
4894 * config/i386/i386.c (ix86_expand_trunc): New function expanding
4895 trunc inline for SSE math and -fno-trapping-math and if not
4896 optimizing for size.
4897 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
4898 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
4899 for expanding btrunc inline for SSE math.
4901 2006-10-29 Joseph Myers <joseph@codesourcery.com>
4903 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
4904 Handle tuning for bi-arch i[34567]86-*-linux* like that for
4905 i[34567]86-*-solaris2.1[0-9]*.
4906 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
4907 Define conditionally depending on TARGET_64BIT_DEFAULT.
4908 (SPEC_32, SPEC_64): Define.
4909 (LINK_SPEC): Use them.
4910 * doc/install.texi (--enable-targets=all): Document for x86-linux.
4912 2006-10-29 Richard Guenther <rguenther@suse.de>
4914 * config/i386/i386-protos.h (ix86_expand_round): Declare.
4915 (ix86_expand_rounddf_32): Likewise.
4916 * config/i386/i386.c (ix86_expand_round): New function expanding
4917 round inline for SSE math and -fno-trapping-math and if not
4918 optimizing for size.
4919 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
4920 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
4921 round via ix86_expand_round.
4923 2006-10-29 Richard Guenther <rguenther@suse.de>
4925 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
4926 (ix86_expand_floorceildf_32): Likewise.
4927 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
4928 static helper function.
4929 (ix86_expand_floorceil): Expander for floor and ceil to SSE
4931 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
4932 * config/i386/i386.md (floordf2): Adjust to enable floor
4933 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
4934 -fno-trapping-math is enabled and if not optimizing for size.
4935 (floorsf2, ceildf2, ceilsf2): Likewise.
4936 * config/i386/sse.md (sse_maskcmpsf3): New insn.
4937 (sse2_maskcmpdf3): Likewise.
4939 2006-10-29 Richard Guenther <rguenther@suse.de>
4941 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
4942 rint in case -fno-trapping-math is enabled.
4943 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
4944 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
4945 (ix86_expand_sse_fabs): Likewise.
4946 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
4947 * config/i386/i386.md (rintdf2): Enable for SSE math if
4948 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
4949 (rintsf2): Likewise.
4951 2006-10-29 Richard Guenther <rguenther@suse.de>
4953 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
4954 to conversion optabs.
4955 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
4956 as conversion optab.
4957 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
4958 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
4959 (lfloor_optab, lceil_optab): Adjust defines.
4960 * builtins.c (expand_builtin_int_roundingfn): Adjust for
4961 lfloor and lceil optabs now being conversion optabs.
4962 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
4963 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
4964 New static helper function.
4965 (ix86_expand_lfloorceil): New function to expand lfloor and
4967 * config/i386/i386.md (lfloor<mode>2): Split into ...
4968 (lfloorxf<mode>2): ... x87 variant
4969 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
4970 using ix86_expand_lfloorceil.
4971 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
4973 * doc/md.texi (lfloorMN, lceilMN): Document.
4975 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4977 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
4978 -mno-shared assembler option on mips targets.
4979 * configure, config.in: Regenerate.
4980 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
4981 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
4982 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
4984 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4986 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
4987 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
4989 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
4991 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
4992 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
4995 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4998 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
4999 (fold_builtin_pow): Evaluate constant arguments at compile-time
5001 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
5002 (do_mpfr_ckconv): New helper function.
5003 (do_mpfr_arg1): Use do_mpfr_ckconv.
5004 (do_mpfr_arg2): New.
5006 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
5009 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
5010 (-fdump-rtl-sched): Rename to ..
5011 (-fdump-rtl-sched1): here. Also fix file extension number.
5013 2006-10-28 Richard Guenther <rguenther@suse.de>
5015 * fold-const.c (maybe_canonicalize_comparison): Fix code
5018 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5020 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
5021 (NON_QI_REG_P): Use IN_RANGE.
5022 (REX_INT_REGNO_P): Use IN_RANGE.
5023 (FP_REGNO_P): Use IN_RANGE.
5024 (SSE_REGNO_P): Use IN_RANGE.
5025 (REX_SSE_REGNO_P): Use IN_RANGE.
5026 (MMX_REGNO_P): Use IN_RANGE.
5027 (STACK_REGNO_P): New macro.
5028 (STACK_REG_P): Use STACK_REGNO_P.
5029 (NON_STACK_REG_P): Use STACK_REGNO_P.
5030 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
5031 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
5032 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
5033 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
5034 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
5036 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
5038 * except.h (output_function_exception_table): Add 'const char*' param.
5039 * except.c (switch_to_exception_section): Add 'const char*' param.
5040 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
5041 and flag_function_sections is set, use a function-specific section.
5042 (output_function_exception_table): Add 'const char*' param.
5043 Adjust call to switch_to_exception_section.
5044 * final.c (rest_of_handle_final): Adjust calls to
5045 output_function_exception_table.
5046 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
5047 * config.in: Regenerate.
5048 * configure: Likewise.
5050 2006-10-28 Richard Guenther <rguenther@suse.de>
5053 * fold-const.c (maybe_canonicalize_comparison_1): Helper
5054 for maybe_canonicalize_comparison.
5055 (maybe_canonicalize_comparison): New function for canonicalizing
5057 (fold_comparison): Call it to canonicalize comparisons with
5060 2006-10-28 Richard Guenther <rguenther@suse.de>
5063 * builtins.c (expand_builtin_int_roundingfn_2): Expand
5064 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
5065 (expand_builtin): Adjust likewise.
5066 * genopinit.c (optabs[]): Add lround optab.
5067 * optabs.c (init_optabs): Initialize lround_optab.
5068 * optabs.h (enum convert_optab_index): Add COI_lround.
5069 (lround_optab): Define.
5070 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
5071 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
5073 (ix86_expand_lround): New function.
5074 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
5076 * doc/md.texi (lroundMN2): Document.
5078 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5081 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
5082 argument to HOST_WIDE_INT. Update function prototype.
5083 (round_frame_size): Change return type to HOST_WIDE_INT. Change
5084 "size" argument to HOST_WIDE_INT. Update function prototype.
5086 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5088 * config/i386/i386.c (output_387_ffreep): Create output from a
5089 template string for !HAVE_AS_IX86_FFREEP.
5091 2006-10-27 Eric Christopher <echristo@apple.com>
5093 * config/darwin.c: Fix formatting and grammar.
5095 2006-10-27 Jan Hubicka <jh@suse.cz>
5097 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
5098 to be thrown away soon when IGNORE is set.
5099 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
5100 indicating when return value shall not be computed.
5101 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
5103 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
5105 * config/i386/i386.h (TARGET_GEODE):
5106 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
5107 (TARGET_CPU_DEFAULT_geode): New macro.
5108 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
5109 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
5110 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
5111 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
5112 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
5114 (TARGET_CPU_DEFAULT_NAMES): Add geode.
5115 (processor_type): Add PROCESSOR_GEODE.
5117 * config/i386/i386.md: Include geode.md.
5120 * config/i386/i386.c (geode_cost): New initialized global
5122 (m_GEODE, m_K6_GEODE): New macros.
5123 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
5124 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
5125 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
5126 x86_schedule): Use m_K6_GEODE instead of m_K6.
5127 (x86_movx, x86_cmove): Set up m_GEODE.
5128 (x86_integer_DFmode_moves): Clear m_GEODE.
5129 (processor_target_table): Add entry for geode.
5130 (processor_alias_table): Ditto.
5132 * config/i386/geode.md: New file.
5134 * doc/invoke.texi: Add entry about geode processor.
5136 2006-10-27 Mike Stump <mrs@apple.com>
5138 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
5139 __DYNAMIC__ from here back to ...
5140 * config/darwin.h (CPP_SPEC): ... here.
5142 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
5143 Nathan Sidwell <nathan@codesourcery.com>
5145 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
5146 when choosing the minimum heapsize.
5148 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
5150 * gcc/unwind-dw2.h: Move cfa-related variables into
5151 struct frame_state_reg_info to ensure that the CFA is properly
5152 handled when executing DW_CFA_{remember,restore}_state.
5153 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
5154 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
5155 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
5156 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
5157 gcc/config/rs6000/linux-unwind.h,
5158 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
5159 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
5160 Modify to use new cfa_* fields.
5162 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
5164 * config/s390/s390.c (s390_init_frame_layout): Check positive
5167 2006-10-26 Ben Elliston <bje@au.ibm.com>
5169 * gimplify.c (get_name): Remove extraneous break.
5170 (gimplify_omp_for): Initialise ret with GS_OK.
5172 2006-10-25 Steve Ellcey <sje@cup.hp.com>
5174 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
5175 Add unix98.o to link line.
5177 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5180 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
5181 Calculate compile-time constants using MPFR.
5182 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
5183 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
5185 2006-10-25 Bob Wilson <bob.wilson@acm.org>
5187 * config/xtensa/lib2funcs.S: Use C-style comments.
5189 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
5191 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
5192 (file_table_relative_p): Likewise.
5193 (dwarf2out_finish): Likewise.
5194 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
5196 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
5198 * tree-ssa-structalias.c (intra_create_variable_infos):
5199 Don't recreate nonlocal_all if it already exists.
5201 2006-10-25 Richard Guenther <rguenther@suse.de>
5204 * optabs.h (enum optab_index): Remove OTI_lrint.
5205 (enum convert_optab_index): Add COI_lrint.
5206 (lrint_optab): Adjust.
5207 (expand_sfix_optab): Declare.
5208 * optabs.c (expand_sfix_optab): New function.
5209 (init_optabs): Init lrint_optab as conversion optab.
5210 * genopinit.c (lrint_optab): Change to a conversion optab.
5211 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
5212 expansion via conversion optab.
5213 * config/i386/i386.md (*fistdi2_1): Remove
5214 flag_unsafe_math_optimizations guard.
5215 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
5216 fist<mode>2_with_temp): Likewise.
5217 (lrint<mode>2): Split into...
5218 (lrintxf<mode>2): ... x87 part
5219 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
5220 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
5221 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
5222 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
5223 * doc/md.texi (lrintMN2): Document.
5225 2006-10-25 Uros Bizjak <uros@kss-loka.si>
5228 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
5229 Use inc and dec instructions for TARGET_USE_INCDEC.
5230 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
5231 ("sync_double_compare_and_swap<mode>"): Likewise.
5232 ("*sync_double_compare_and_swapdi_pic"): Likewise.
5233 ("*sync_compare_and_swap_cc<mode>"): Likewise.
5234 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
5235 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
5236 ("sync_old_add<mode>"): Likewise.
5237 ("sync_lock_test_and_set<mode>"): Likewise.
5238 ("sync_lock_test_and_set<mode>"): Likewise.
5239 ("sync_add<mode>"): Likewise.
5240 ("sync_sub<mode>"): Likewise.
5241 ("sync_ior<mode>"): Likewise.
5242 ("sync_and<mode>"): Likewise.
5243 ("sync_xor<mode>"): Likewise.
5245 2006-10-25 Uros Bizjak <uros@kss-loka.si>
5247 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
5248 (remainder_optab): Define corresponding macro.
5249 (drem_optab): Remove.
5250 * optabs.c (init_optabs): Initialize remainder_optab. Remove
5251 drem_optab initialization.
5252 * genopinit.c (optabs): Implement remainder_optab using
5253 remainder?f3 patterns. Remove drem_optab.
5254 * builtins.c (expand_builtin_mathfn_2): Handle
5255 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
5256 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
5257 expand_builtin_mathfn_2.
5259 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
5260 depend on flag_unsafe_math_optimizations.
5262 * config/i386/i386.md ("remaindersf3", "remainderdf3")
5263 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
5264 Do not depend on flag_unsafe_math_optimizations. Use
5265 truncxf?f expander instead of truncxf?f_i387_noop.
5267 ("fpremxf4", "fprem1xf4"): Do not depend on
5268 flag_unsafe_math_optimizations.
5269 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
5270 flag_unsafe_math_optimizations. Use truncxf?f expander
5271 instead of truncxf?f_i387_noop.
5273 * doc/md.texi (fmod, remainder): Document standard named pattern.
5275 2006-10-24 Richard Sandiford <richard@codesourcery.com>
5276 David Daney <ddaney@avtrex.com>
5279 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
5281 2006-10-25 Ben Elliston <bje@au.ibm.com>
5283 * doc/extend.texi (Variable Attributes): Typo fix.
5285 2006-10-24 Uros Bizjak <uros@kss-loka.si>
5287 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
5288 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
5289 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
5290 (FRAME_POINTER_REGNUM): Update register number to 21.
5291 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
5292 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
5294 * config/i386/i386.c (regclass_map): Add fpcr entry.
5295 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
5297 (print_reg): Assert REGNO (x) != FPCR_REG.
5299 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
5300 (DIRFLAG_REG): Renumber.
5301 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
5302 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
5303 (sse_prologue_save, *sse_prologue_save_insn): Renumber
5304 hardcoded SSE register numbers.
5306 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
5307 hardcoded MMX register numbers.
5309 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5312 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
5313 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
5315 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
5316 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
5317 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
5318 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
5320 2006-10-24 Richard Guenther <rguenther@suse.de>
5323 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
5324 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
5325 for deciding optimizations in consistency with fold-const.c
5326 (fold_builtin_unordered_cmp): Likewise.
5328 2006-10-24 Richard Guenther <rguenther@suse.de>
5330 * builtins.c (fold_builtin_floor): Fold floor (x) where
5331 x is nonnegative to trunc (x).
5332 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
5333 nonnegative to FIX_TRUNC_EXPR.
5335 2006-10-24 Richard Guenther <rguenther@suse.de>
5337 PR tree-optimization/29567
5338 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
5339 for TRUTH_NOT_EXPR. Clarify comments.
5341 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5344 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
5345 at compile-time using MPFR. Change parameter VALUE to FUNC,
5347 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
5348 for overflow and underflow at all times and avoid folding in
5351 2006-10-24 Ben Elliston <bje@au.ibm.com>
5353 * reload1.c: Formatting fixes.
5355 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
5357 PR tree-optimization/14784
5358 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
5359 * tree-ssa-structalias.c (get_constraint_for,
5360 intra_create_variable_infos): Set is_heapvar.
5361 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
5362 non-heapvar pointer variables specially.
5364 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5367 * builtins.c (fold_builtin_sin, fold_builtin_cos,
5368 fold_builtin_tan): Fold all constant arguments. Take a "type"
5369 argument as necessary.
5370 (do_mpfr_arg1): New.
5371 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
5373 2006-10-23 Bob Wilson <bob.wilson@acm.org>
5375 * config/xtensa/lib1funcs.asm: Use C-style comments.
5377 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
5379 * tree.c (local_define_builtin): Replace calls to
5380 lang_hooks.builtin_function with add_builtin_function.
5381 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
5383 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
5385 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
5386 common code to add_builtin_function.
5387 * langhooks.c (add_builtin_function): New function.
5388 (lhd_builtin_function): New function.
5389 * langhooks.h (struct lang_hooks): Change the signature of
5391 (add_builtin_function): New function.
5392 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
5393 calls to lang_hooks.builtin_function with add_builtin_function.
5394 * c-common.c (decl_builtin_1): Replace calls to
5395 lang_hooks.builtin_function with add_builtin_function.
5396 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
5397 lang_hooks.builtin_function with add_builtin_function.
5398 * config/frv/frv.c (def_builtin): Replace calls to
5399 lang_hooks.builtin_function with add_builtin_function.
5400 * config/s390/s390.c (s390_init_builtins): Replace calls to
5401 lang_hooks.builtin_function with add_builtin_function.
5402 * config/sparc/sparc.c (def_builtin): Replace calls to
5403 lang_hooks.builtin_function with add_builtin_function.
5404 * config/i386/i386.c (def_builtin): Replace calls to
5405 lang_hooks.builtin_function with add_builtin_function.
5406 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
5407 lang_hooks.builtin_function with add_builtin_function.
5408 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
5409 lang_hooks.builtin_function with add_builtin_function.
5410 * config/stormy16/stormy16.c (xstormy16_init_builtins):
5411 Replace calls to lang_hooks.builtin_function with
5412 add_builtin_function.
5413 * config/iq2000/iq2000.c (def_builtin):
5414 Replace calls to lang_hooks.builtin_function with
5415 add_builtin_function.
5416 * config/ia64/ia64.c (def_builtin): Replace calls to
5417 lang_hooks.builtin_function with add_builtin_function.
5418 * config/rs6000/rs6000.c (def_builtin): Replace calls to
5419 lang_hooks.builtin_function with add_builtin_function.
5420 (altivec_init_builtins): Replace calls to
5421 lang_hooks.builtin_function with add_builtin_function.
5422 * config/arm/arm.c (def_mbuiltin): Replace calls to
5423 lang_hooks.builtin_function with add_builtin_function.
5424 (arm_init_tls_builtins): Replace calls to
5425 lang_hooks.builtin_function with add_builtin_function.
5426 * config/mips/mips.c (mips_init_builtins): Replace calls to
5427 lang_hooks.builtin_function with add_builtin_function.
5428 * config/bfin/bfin.c (def_builtin): Replace calls to
5429 lang_hooks.builtin_function with add_builtin_function.
5430 * langhooks-def.h (lhd_builtin_function): New function.
5431 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
5433 2006-10-23 Jakub Jelinek <jakub@redhat.com>
5435 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
5436 BUILT_IN_STRNCAT_CHK.
5438 2006-10-23 Jan Hubicka <jh@suse.cz>
5440 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
5441 don't do conversion from memmove to memcpy here.
5442 (expand_builtin_bcopy, expand_builtin): Update call of
5443 expand_builtin_memmove.
5444 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
5446 2006-10-23 Paul Brook <paul@codesourcery.com>
5448 * stor-layout.c (start_record_layout): maximum_field_alignment
5449 overrides STRUCTURE_SIZE_BOUNDARY.
5451 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
5453 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
5454 nonlocal function symbols if flag_pic.
5456 2006-10-23 Richard Guenther <rguenther@suse.de>
5460 * builtins.c (fold_binary): Remove checks for flag_wrapv
5461 and flag_trapv where negate_expr_p covers these cases.
5463 2006-10-23 Richard Guenther <rguenther@suse.de>
5466 * fold-const.c (fold_plusminus_mult_expr): Check exact power
5467 of two on the absolute value.
5468 (fold_binary): Fold x * -C to -x * C if x is easily negatable
5469 and negating -C does not overflow.
5471 2006-10-23 Richard Guenther <rguenther@suse.de>
5474 * convert.c (convert_to_real): Fold (float)-x to -(float)x
5475 only if not flag_rounding_math.
5477 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5478 Kaz Kojima <kkojima@gcc.gnu.org>
5481 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
5482 SImode memory reference for the source of a movua.
5483 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
5484 (movua): Use an unspec instead of sign_extract. Expect the source
5485 to have mode BLKmode.
5486 (extv, insv): Use a BLKmode rather than SImode memory reference
5487 for the source of a movua.
5489 2006-10-22 Jeff Law <law@redhat.com>
5490 Richard Guenther <rguenther@suse.de>
5492 PR tree-optimization/15911
5493 * tree-vrp.c (extract_code_and_val_from_cond): New function.
5494 (register_edge_assert_for_1): Likewise.
5495 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
5496 (find_conditional_asserts): Adjust for new function signature.
5497 (find_assert_locations): Likewise.
5499 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5501 * config/i386/tmmintrin.h: Remove the duplicated content.
5503 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5505 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
5506 (x86_64-*-*): Likewise.
5508 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
5509 (override_options): Check SSSE3.
5510 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
5511 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
5512 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
5513 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
5514 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
5515 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
5516 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
5517 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
5518 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
5519 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
5520 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
5521 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
5522 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
5523 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
5524 IX86_BUILTIN_PABSD128.
5525 (bdesc_2arg): Add SSSE3.
5526 (bdesc_1arg): Likewise.
5527 (ix86_init_mmx_sse_builtins): Support SSSE3.
5528 (ix86_expand_builtin): Likewise.
5529 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
5531 * config/i386/i386.md (UNSPEC_PSHUFB): New.
5532 (UNSPEC_PSIGN): Likewise.
5533 (UNSPEC_PALIGNR): Likewise.
5534 Include mmx.md before sse.md.
5536 * config/i386/i386.opt: Add -mssse3.
5538 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
5539 (ssse3_phaddwv4hi3): Likewise.
5540 (ssse3_phadddv4si3): Likewise.
5541 (ssse3_phadddv2si3): Likewise.
5542 (ssse3_phaddswv8hi3): Likewise.
5543 (ssse3_phaddswv4hi3): Likewise.
5544 (ssse3_phsubwv8hi3): Likewise.
5545 (ssse3_phsubwv4hi3): Likewise.
5546 (ssse3_phsubdv4si3): Likewise.
5547 (ssse3_phsubdv2si3): Likewise.
5548 (ssse3_phsubswv8hi3): Likewise.
5549 (ssse3_phsubswv4hi3): Likewise.
5550 (ssse3_pmaddubswv8hi3): Likewise.
5551 (ssse3_pmaddubswv4hi3): Likewise.
5552 (ssse3_pmulhrswv8hi3): Likewise.
5553 (ssse3_pmulhrswv4hi3): Likewise.
5554 (ssse3_pshufbv16qi3): Likewise.
5555 (ssse3_pshufbv8qi3): Likewise.
5556 (ssse3_psign<mode>3): Likewise.
5557 (ssse3_psign<mode>3): Likewise.
5558 (ssse3_palignrti): Likewise.
5559 (ssse3_palignrdi): Likewise.
5560 (abs<mode>2): Likewise.
5561 (abs<mode>2): Likewise.
5563 * config/i386/tmmintrin.h: New file.
5565 * doc/extend.texi: Document SSSE3 built-in functions.
5567 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
5569 2006-10-22 Ira Rosen <irar@il.ibm.com>
5571 * tree-vect-transform.c (vectorizable_load): Use the type of the
5572 return value of the mask_for_load builtin to create realign_load
5575 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5577 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
5580 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
5582 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
5583 (UNSPEC_LDDQU): This.
5584 * config/i386/sse.md (sse3_lddqu): Updated.
5586 2006-10-21 Richard Guenther <rguenther@suse.de>
5588 * builtins.c (expand_builtin_int_roundingfn_2): New function.
5589 (expand_builtin): Use it to expand lrint instead of
5590 expand_builtin_mathfn.
5592 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5595 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
5596 flag_unsafe_math_optimizations is set.
5598 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5601 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
5602 patterns to use memory input operand in x87->mem->XMM
5603 reload sequences. Skip transformation for TARGET_K8.
5605 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5607 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
5608 force operand1 to register if both operands are memory operands.
5609 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
5610 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
5611 if both operands are memory operands.
5612 (truncdfsf2): Do not force operand1 to register if both operands
5613 are memory operands.
5615 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5617 * Makefile.in (LIBS): Add $(GMPLIBS).
5618 * doc/install.texi: Update GMP and MPFR requirements.
5619 * doc/sourcebuild.texi (need_gmp): Delete.
5621 2006-10-21 Richard Guenther <rguenther@suse.de>
5623 PR tree-optimization/3511
5624 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
5625 got new invariant arguments during PHI translation.
5627 2006-10-21 Richard Guenther <rguenther@suse.de>
5630 * fold-const.c (fold_comparison): Fold signed comparisons
5631 of the form X +- C1 CMP Y +- C2.
5633 2006-10-21 Richard Guenther <rguenther@suse.de>
5636 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
5637 if flag_unsafe_math_optimizations is specified. We have
5638 flag_finite_math_only for that.
5639 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
5640 or flag_unsafe_math_optimizations.
5642 2006-10-21 Richard Guenther <rguenther@suse.de>
5644 * builtins.c (fold_builtin_classify): Fix typo.
5646 2006-10-21 Richard Guenther <rguenther@suse.de>
5649 * simplify-rtx.c (simplify_const_relational_operation):
5650 Do not constant-fold ORDERED and UNORDERED for
5651 flag_unsafe_math_optimizations but only we do not need to
5652 honor NaNs for the given mode.
5654 2006-10-21 Richard Guenther <rguenther@suse.de>
5657 * config/i386/i386.c (classify_argument): Remove redundant
5658 walking of the BINFOs.
5659 (contains_128bit_aligned_vector_p): Likewise.
5661 2006-10-20 Mark Mitchell <mark@codesourcery.com>
5663 * BASE-VER: Set to 4.3.0.
5665 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
5667 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
5668 (tree_decl_with_vis): Remove artificial_pta_var flag.
5669 * tree-flow.h (referenced_var_check_and_insert): Expose.
5670 (nonlocal_all): New prototype.
5671 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
5672 (nonlocal_all): Make global.
5673 (nonlocal_lookup): Remove.
5674 (nonlocal_insert): Ditto.
5675 (create_nonlocal_var): Do not call nonlocal_insert.
5676 (get_nonlocal_id_for_type): Remove.
5677 (find_global_initializers): Mark new vars we find for renaming.
5678 (intra_create_variable_infos): Only create one nonlocal.
5679 (expand_nonlocal_solutions): Remove.
5680 (compute_points_to_sets): Don't call it.
5681 (ipa_pta_execute): Ditto.
5682 (init_alias_heapvars): Don't create nonlocal_for_type.
5683 (delete_alias_heapvars): Don't remove it.
5684 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
5687 2006-10-19 Brooks Moses <bmoses@stanford.edu>
5689 * doc/install.texi (Downloading GCC): Clarify mention of
5690 Fortran in the "full distribution" description.
5692 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
5694 Fix PR tree-optimization/28778
5695 Fix PR tree-optimization/29156
5696 Fix PR tree-optimization/29415
5697 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
5698 (tree_decl_with_vis): Add artificial_pta_var flag.
5699 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
5700 pushed into callers.
5701 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
5702 (nonlocal_all): Ditto.
5703 (struct variable_info): Add directly_dereferenced member.
5704 (var_escaped_vars): New variable.
5705 (escaped_vars_tree): Ditto.
5706 (escaped_vars_id): Ditto.
5707 (nonlocal_vars_id): Ditto.
5708 (new_var_info): Set directly_dereferenced.
5709 (graph_size): New variable
5710 (build_constraint_graph): Use graph_size.
5711 (solve_graph): Don't process constraints that cannot change the
5712 solution, don't try to propagate an empty solution to our
5714 (process_constraint): Set directly_dereferenced.
5715 (could_have_pointers): New function.
5716 (get_constraint_for_component_ref): Don't process STRING_CST.
5717 (nonlocal_lookup): New function.
5718 (nonlocal_insert): Ditto.
5719 (create_nonlocal_var): Ditto.
5720 (get_nonlocal_id_for_type): Ditto.
5721 (get_constraint_for): Allow results vector to be empty in the case
5722 of string constants.
5723 Handle results of calls properly.
5724 (update_alias_info): Update alias info stats on number and type of
5726 (find_func_aliases): Use could_have_pointers.
5727 (make_constraint_from_escaped): Renamed from
5728 make_constraint_to_anything, and changed to make constraints from
5730 (make_constraint_to_escaped): New function.
5731 (find_global_initializers): Ditto.
5732 (create_variable_info_for): Make constraint from escaped to any
5733 global variable, and from any global variable to the set of
5735 (intra_create_variable_infos): Deal with escaped instead of
5736 pointing to anything.
5737 (set_uids_in_ptset): Do type pruning on directly dereferenced
5739 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
5740 (init_base_vars): Fix comment, and initialize escaped_vars.
5741 (need_to_solve): Removed.
5742 (find_escape_constraints): New function.
5743 (expand_nonlocal_solutions): Ditto.
5744 (compute_points_to_sets): Call find_escape_constraints and
5745 expand_nonlocal_solutions.
5746 (delete_points_to_sets): Don't fall off the end of the graph.
5747 (init_alias_heapvars): Initialize nonlocal_for_type and
5749 (delete_alias_heapvars): Free nonlocal_for_type and null out
5752 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
5754 * fold-const.c (add_double): Rename to add_double_with_sign.
5755 Add 'unsigned_p' parameter and take it into account for the overflow.
5756 (mul_double): Rename to mul_double_with_sign.
5757 Add 'unsigned_p' parameter and take it into account for the overflow.
5758 (fold_div_compare): Call add_double_with_sign instead of add_double
5759 and mul_double_with_sign instead of mul_double, passing them the
5760 unsignedness of the type.
5761 * tree.h (add_double): Macroize.
5762 (add_double_with_sign): New prototype.
5763 (mul_double): Macroize.
5764 (mul_double_with_sign): New prototype.
5766 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
5768 * config/score/crti.asm: New file.
5769 * config/score/crtn.asm: New file.
5770 * config/score/elf.h: New file.
5771 * config/score/mac.md: New file.
5772 * config/score/misc.md: New file.
5773 * config/score/mul-div.S: New file.
5774 * config/score/predicates.md: New file.
5775 * config/score/score7.md: New file.
5776 * config/score/score.c: New file.
5777 * config/score/score-conv.h: New file.
5778 * config/score/score.h: New file.
5779 * config/score/score.md: New file.
5780 * config/score/score-mdaux.c: New file.
5781 * config/score/score-mdaux.h: New file.
5782 * config/score/score-modes.def: New file.
5783 * config/score/score.opt: New file.
5784 * config/score/score-protos.h: New file.
5785 * config/score/score-version.h: New file.
5786 * config/score/t-score-elf: New file.
5787 * config.gcc: Add score*-*-* configurations(Update before).
5788 * doc/invoke.texi (Score Options): New section.
5789 * doc/md.texi (Score family): New section to document constraints.
5791 2006-10-19 Nick Clifton <nickc@redhat.com>
5793 * config/arm/arm.c: Fix spelling typo.
5795 2006-10-18 Tom Tromey <tromey@redhat.com>
5797 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
5799 2006-10-18 Jan Hubicka <jh@suse.cz>
5802 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
5805 2006-10-18 Marcin Dalecki <martin@dalecki.de>
5807 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
5808 TSI_SAME_STMT, since that's the desired entity.
5810 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
5812 * config/s390/contraints.md: New file.
5813 * config/s390/s390-protos.h (s390_mem_constraint,
5814 s390_O_constraint_str, s390_N_constraint_str,
5815 s390_float_const_zero_p): Function prototypes added.
5816 * config/s390/s390.c (s390_extra_constraint_str,
5817 s390_const_double_ok_for_constraint_p,
5818 s390_const_ok_for_constraint_p): Functions removed.
5819 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
5820 s390_float_const_zero_p): New functions.
5821 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
5822 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
5823 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
5824 Macro definitions removed.
5825 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
5826 s390_extra_constraint_str): Functions removed.
5828 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
5829 Richard Sandiford <richard@codesourcery.com>
5832 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
5833 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
5835 2006-10-16 Geoffrey Keating <geoffk@apple.com>
5837 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
5838 (DWARF2_FRAME_REG_OUT): Likewise.
5839 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
5840 (DWARF2_FRAME_REG_OUT): Likewise.
5842 2006-10-17 Paul Brook <paul@codesourcery.com>
5844 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
5846 2006-10-16 Brooks Moses <bmoses@stanford.edu>
5848 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
5849 Standardize on "GNU Fortran" as the official name of the Fortran
5852 2006-10-16 Mike Stump <mrs@apple.com>
5854 * doc/invoke.texi (Darwin Options): Document -mkernel.
5855 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
5857 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
5858 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
5859 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
5860 (OS_MISSING_ALTIVEC): Add.
5861 * config/i386/i386.c (override_options): Add
5862 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
5863 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
5864 -mkernel, -static or -mdynamic-no-pic is given.
5865 (C_COMMON_OVERRIDE_OPTIONS): Add.
5866 * config/darwin.opt (fapple-kext): Add.
5868 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
5869 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
5871 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
5872 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
5873 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
5874 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
5875 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
5876 (flag_mkernel): Add.
5877 (flag_apple_kext): Add.
5878 (TARGET_KEXTABI): Add.
5879 * config/darwin.c (darwin_handle_kext_attribute): Add.
5880 (DARWIN_VTABLE_P): Add.
5881 (darwin_binds_local_p): Add partial support for rebinding vtables
5883 (darwin_kextabi_p): Add.
5884 (darwin_override_options): Add.
5885 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
5886 (darwin_kextabi_p): Add.
5887 (darwin_override_options): Add.
5888 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
5889 __DYNAMIC__ and __STATIC__ here.
5891 2006-10-16 Brooks Moses <bmoses@stanford.edu>
5893 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
5894 Added mention of "make pdf" target, and Texinfo requirements for
5897 2006-10-16 DJ Delorie <dj@redhat.com>
5899 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
5900 into the GOT in case we need a subreg of the address.
5902 2006-10-16 Richard Guenther <rguenther@suse.de>
5905 * doc/extend.texi (X86 Built-in Functions): Fix typos in
5906 SSE builtin documentation. Document SSE2 builtins.
5908 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5910 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
5911 symbol in the output file for non-shared links when -nostdlib or
5912 -nodefaultlibs isn't specified.
5914 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
5915 posix thread support.
5917 2006-10-15 Jan Hubicka <jh@suse.cz>
5920 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
5921 declared always_inline even when not inlining.
5923 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5924 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5925 Andrew Pinski <pinskia@gmail.com>
5928 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
5930 2006-10-15 Jan Hubicka <jh@suse.cz>
5931 Richard Guenther <rguenther@suse.de>
5934 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
5935 process_function_and_variable_attributes on all variables, including
5936 those discovered during cgraph construction phase.
5938 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
5940 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
5942 2006-10-14 Uros Bizjak <uros@kss-loka.si>
5944 * config/i386/athlon.md (athlon_fist): Add fisttp.
5946 2006-10-13 David Edelsohn <edelsohn@gnu.org>
5947 Ian Lance Taylor <ian@airs.com>
5950 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
5951 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
5954 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
5956 * config/score/score.c, config/score/score.h: Fix comment
5959 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5962 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
5965 2006-10-13 Eric Christopher <echristo@apple.com>
5967 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
5969 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5972 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5973 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
5974 alignment supported by 32-bit ELF.
5976 2006-10-13 Eric Christopher <echristo@apple.com>
5978 * config/darwin.c (darwin_emit_unwind_label): Strip
5979 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
5981 2006-10-13 Richard Guenther <rguenther@suse.de>
5983 PR tree-optimization/29446
5984 * tree-vrp.c (fix_equivalence_set): Remove.
5985 (extract_range_from_assert): Do not call fix_equivalence_set.
5986 (debug_value_range): Print a newline.
5987 (compare_name_with_value): For equivalence sets with
5988 inconsistent value ranges conservatively bail out.
5989 (compare_names): Likewise.
5991 2006-10-13 David Edelsohn <edelsohn@gnu.org>
5993 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
5994 and MPFR for gfortran.
5996 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5998 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
5999 alignment supported by 32-bit ELF.
6001 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
6005 * c-typeck.c (digest_init): Always allow initializing vectors
6006 that have static storage duration with compound literals.
6007 * tree.c (build_type_attribute_qual_variant): New, based on
6008 build_type_attribute_variant.
6009 (build_type_attribute_variant): Rewrite using the former.
6010 (make_vector_type): Use build_type_attribute_qual_variant to build
6011 type variants. Use type_hash_canon on the others.
6013 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
6014 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
6016 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
6018 2006-10-12 Jan Hubicka <jh@suse.cz>
6021 * c-decl.c (c_make_fname_decl): Do not segfault in case where
6022 current_function_decl is set but current_function_scope is not.
6024 2006-10-12 Jie Zhang <jie.zhang@analog.com>
6026 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
6027 emit_insn to emit eh_return_internal instruction.
6028 (eh_return_internal): Explicitly set pc.
6030 2006-10-11 Richard Guenther <rguenther@suse.de>
6032 PR tree-optimization/28230
6033 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
6034 to the correct place.
6036 2006-10-11 Richard Guenther <rguenther@suse.de>
6039 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
6042 2006-10-10 Brooks Moses <bmoses@stanford.edu>
6044 * configure.ac: Added pdf to "Make-hooks"
6045 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
6046 targets and *.pdf file patterns in cleanup targets.
6047 * configure: Regenerated.
6049 2006-10-10 Anatoly Sokolov <aesok@post.ru>
6051 * config/avr/predicates.md: New file.
6052 * config/avr/avr.md: Include it.
6053 (REG_SP): New constant.
6054 (peepholes): Use predicates.
6055 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
6056 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
6057 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
6059 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
6061 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
6064 2006-10-10 Jakub Jelinek <jakub@redhat.com>
6067 * builtins.c (var_decl_component_p): New function.
6068 (fold_builtin_memset, fold_builtin_memory_op): Restrict
6069 single entry optimization to variables and components thereof.
6071 2006-10-10 Richard Guenther <rguenther@suse.de>
6073 PR rtl-optimization/29323
6074 * except.c (set_nothrow_function_flags): For functions
6075 that do not bind local bail out early.
6077 2006-10-10 Ben Elliston <bje@au.ibm.com>
6079 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
6082 2006-10-09 Richard Henderson <rth@redhat.com>
6084 Revert emutls patch.
6086 2006-10-09 Richard Guenther <rguenther@suse.de>
6089 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
6092 2006-10-09 Steve Ellcey <sje@cup.hp.com>
6095 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
6096 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
6097 * configure: Regenerate.
6098 * config.in: Regenerate.
6100 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
6102 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
6104 2006-10-08 Richard Sandiford <richard@codesourcery.com>
6106 * config/mips/mips.c (mips_legitimize_tls_address): Implement
6107 all TLS models in the same way as local exec if !TARGET_ABICALLS.
6108 Remove stray newline.
6110 2006-10-08 Richard Sandiford <richard@codesourcery.com>
6112 * config/mips/mips.c (mips_classify_symbol): Do not return
6113 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
6114 (mips_in_small_data_p): Tweak comments.
6116 2006-10-08 Richard Sandiford <richard@codesourcery.com>
6118 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
6120 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
6122 * gimplify.c, sched-int.h: Fix comment typos.
6124 * sched-int.h: Fix comment typos.
6126 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6128 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
6130 * sched-ebb.c (begin_schedule_ready): Use them.
6131 * haifa-sched.c (schedule_insn, move_insn, try_ready,
6132 add_to_speculative_block, create_check_block_twin, speculate_insn,
6133 fix_jump_move, move_block_after_check): Ditto.
6134 * sched-rgn.c (new_ready): Ditto.
6136 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6138 PR rtl-optimization/29128
6139 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
6140 * sched-ebb.c (advance_target_bb): Use it to fix condition to
6141 allow interblock movement of speculation checks.
6143 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
6146 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
6147 casted to integer type.
6148 (get_address_cost): Decrease cost of [symbol + index] addressing modes
6149 if they are significantly more expensive than [reg + index] ones.
6151 2006-10-06 Jakub Jelinek <jakub@redhat.com>
6153 PR tree-optimization/29330
6154 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
6155 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
6156 on newly allocated ddrs.
6157 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
6158 to VEC (loop_p, heap) pointer.
6159 (compute_data_dependences_for_loop): Adjust caller.
6160 (free_dependence_relations): Free DDR_LOOP_NEST.
6162 * tree-loop-linear.c (linear_transform_loops): Don't forget to
6163 free DEPENDENCE_RELATIONS and DATAREFS.
6166 * builtins.c (expand_builtin_sync_operation,
6167 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
6168 Use convert_to_mode to handle promoted arguments.
6170 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
6172 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
6174 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
6176 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
6178 2006-10-05 Uros Bizjak <uros@kss-loka.si>
6180 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
6181 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
6182 Use <modeconstraint> instead of "r" as operand 1 constraint.
6184 2006-10-06 Olivier Hainque <hainque@adacore.com>
6186 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
6187 Don't recurse on the pointed-to type.
6188 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
6189 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
6190 types with components of variable size.
6192 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
6194 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
6196 2006-10-06 Jakub Jelinek <jakub@redhat.com>
6198 PR tree-optimization/29290
6199 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
6203 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
6204 * config/i386/predicates.md (local_symbolic_operand): Likewise.
6207 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
6208 the number of vector elements fill the rest with zeros.
6210 2006-10-05 Richard Sandiford <richard@codesourcery.com>
6212 * config/mips/mips.c (mips_pass_by_reference): Do not return false
6213 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
6216 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
6218 * config/bfin/bfin.md (subsi3): Lose expander, change previously
6219 unnamed pattern into subsi3. Use correct constraints/predicates.
6220 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
6221 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
6223 2006-10-05 Ira Rosen <irar@il.ibm.com>
6225 * doc/loop.texi: Add data references analysis description.
6227 2006-10-04 Brooks Moses <bmoses@stanford.edu>
6229 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
6231 2006-10-04 Richard Henderson <rth@redhat.com>
6232 Jakub Jelinek <jakub@redhat.com>
6234 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
6235 * builtin-types.def (BT_WORD): Make unsigned.
6236 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
6237 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
6238 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
6239 * c-decl.c (grokdeclarator): Don't error if !have_tls.
6240 * c-parser.c (c_parser_omp_threadprivate): Likewise.
6241 * cgraph.c (decide_is_variable_needed): Look at force_output.
6242 Recurse for emulated tls.
6243 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
6244 checks redundant with decide_is_variable_needed.
6245 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
6246 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
6248 * expr.c (emutls_var_address): New.
6249 (expand_expr_real_1): Expand emulated tls.
6250 (expand_expr_addr_expr_1): Likewise.
6251 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
6252 * output.h (emutls_finish): Declare.
6253 * toplev.c (compile_file): Call it.
6254 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
6255 address before wrapping in CONST.
6256 * varasm.c (emutls_htab, emutls_object_type): New.
6257 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
6258 (get_emutls_object_name, get_emutls_object_type): New.
6259 (get_emutls_init_templ_addr, emutls_decl): New.
6260 (emutls_common_1, emutls_finish): New.
6261 (assemble_variable): When emulating tls, swap decls; generate
6262 constructor for the emutls objects.
6263 (do_assemble_alias): When emulating tls, swap decl and target name.
6264 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
6266 * emutls.c: New file.
6267 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
6268 tls_object for real tls.
6270 2006-10-04 Zack Weinberg <zackw@panix.com>
6272 Fix bug in constraint-check generator, reported by Rask Ingemann
6274 * genpreds.c (add_constraint): Don't remove anything from the
6276 (write_tm_constrs_h): Detect whether "op" argument is used, and
6277 mark it ARG_UNUSED if it isn't.
6278 (write_insn_const_int_ok_for_constraint): Skip the part of the
6279 expression that would test whether "op" (which is not available
6280 here) is a CONST_INT.
6282 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
6285 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
6287 2006-10-03 Geoffrey Keating <geoffk@apple.com>
6289 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
6290 current Leopard versions.
6291 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
6293 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
6295 * doc/install.texi: Fix typos.
6297 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
6299 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
6300 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
6301 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
6303 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
6305 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
6306 arg to be struct mach_header_64* instead.
6308 2006-10-02 Jakub Jelinek <jakub@redhat.com>
6311 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
6312 side effects after the outer expression's post side effects.
6314 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
6316 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
6317 comments to reflect actual behavior and relationship between
6318 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
6320 * doc/c-tree.texi (Working with declarations): Fix documentation
6321 of FIELD_DECL likewise.
6323 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
6326 * doc/extend.texi: Add used variable attribute description.
6328 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
6331 * c.opt (Woverride-init): New.
6332 * c-opts.c (c_common_post_options): Default warn_override_init to
6334 * c-typeck.c (add_pending_init, output_init_element): Warn for
6335 overriding initializers without side effects.
6336 * doc/invoke.texi (-Woverride-init): Document.
6339 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
6341 PR rtl-optimization/28096
6342 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
6343 assignment has already been used as a destination earlier in the block.
6345 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
6347 * builtins.c (expand_builtin_setjmp): Delete.
6348 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
6349 <BUILT_IN_SETJMP_SETUP>: New case.
6350 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
6351 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
6352 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
6353 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
6354 (BUILT_IN_SETJMP_RECEIVER): Likewise.
6355 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
6356 (lower_function_body): Initialize it to false. If it is set to true
6357 at the end of the processing, emit the setjmp dispatcher.
6358 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
6359 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
6360 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
6361 on the rhs of the assignment.
6362 (lower_builtin_setjmp): New function.
6363 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
6364 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
6365 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
6366 to detect calls that can go to non-local labels. Use specific
6367 helper to create the abnormal edges associated with them.
6368 <MODIFY_EXPR>: Likewise.
6369 (make_abnormal_goto_edges): New function extracted from...
6370 (make_goto_expr_edges): ...here. Call it for computed gotos.
6371 (simple_goto_p): Minor tweak.
6372 (tree_can_make_abnormal_goto): New predicate.
6373 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
6374 (tree_purge_dead_abnormal_call_edges): New function.
6375 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
6376 (tree_purge_dead_abnormal_call_edges): Likewise.
6377 (make_abnormal_goto_edges): Likewise.
6378 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
6379 Purge all dead abnormal edges if the call was in the last statement.
6380 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
6381 (execute_fixup_cfg): If there are non-local labels in the function,
6382 scan the basic blocks and split them at calls that can go to non-local
6383 labels or add missing abnormal call edges. Write down the CFG in the
6385 (pass_fixup_cfg): Remove TODO_dump_func flag.
6386 * unwind-sjlj.c: Poison setjmp.
6387 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
6388 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
6389 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
6390 (DONT_USE_BUILTIN_SETJMP): Document it.
6392 2006-09-28 Geoffrey Keating <geoffk@apple.com>
6395 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
6396 to 1 when __ppc64__ is defined.
6397 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
6399 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
6401 2006-09-28 Steve Ellcey <sje@cup.hp.com>
6403 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
6404 * config/ia64/unwind-hpux.c: Delete.
6406 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
6408 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
6409 on the element before gimplifying it, instead of punting if it is of
6412 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
6414 * doc/loop.texi: New file.
6415 * doc/gccint.texi: Reference loop.texi.
6416 * Makefile.in (loop.texi): Add.
6418 2006-09-27 Geoffrey Keating <geoffk@apple.com>
6420 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
6422 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6423 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6425 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
6427 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
6429 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
6431 * doc/install.texi: Document required versions of GMP and MPFR.
6433 2006-09-27 Paul Brook <paul@codesourcery.com>
6436 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
6438 2006-09-27 Richard Sandiford <richard@codesourcery.com>
6440 * reload1.c (alter_reg): Require the alignment of the stack slot to
6441 be at least reg_max_ref_width bytes.
6442 (scan_paradoxical_subregs): Record the largest width in
6445 2006-09-26 Jakub Jelinek <jakub@redhat.com>
6449 * tree-nested.c (struct nesting_info): Added static_chain_added.
6450 (convert_call_expr): Set static_chain_added when adding static
6451 chain. Handle OMP_PARALLEL and OMP_SECTION.
6453 2006-09-25 Matthias Klose <doko@debian.org>
6455 * doc/invoke.texi: Add missing full stop.
6457 2006-09-25 Richard Henderson <rth@redhat.com>
6459 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
6460 before cgraph_function_flags_ready.
6462 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
6463 Adam Nemet <anemet@caviumnetworks.com>
6465 * tree-ssa-loop-ivopts.c (aff_combination_convert,
6466 determine_common_wider_type): New functions.
6467 (get_computation_aff): Use them to simplify arithmetic between
6468 UBASE and CBASE if they are shortened from the same type.
6470 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
6473 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
6474 -2147483647 - 1 instead of 0x80000000.
6476 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
6478 * flags.h (HONOR_NANS): Fix typo in comment.
6480 2006-09-23 Uros Bizjak <uros@kss-loka.si>
6482 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
6484 2006-09-23 Jakub Jelinek <jakub@redhat.com>
6488 * tree.c (merge_attributes, attribute_list_contained): If both
6489 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
6491 * c-typeck.c (comptypes_internal): Don't consider aggregates
6492 in different TUs as compatible if there one set of attributes is
6493 not a subset of the other type's attributes.
6494 (composite_type): Try harder not to create a new aggregate type.
6496 2006-09-22 Geoffrey Keating <geoffk@apple.com>
6498 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
6499 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
6500 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
6501 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
6502 than replicating condition above.
6503 * config.host (i[34567]86-*-*): Always use driver-i386.o.
6505 * config/darwin.h (LINK_SYSROOT_SPEC): New.
6506 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
6507 the linker by default.
6509 2006-09-22 Mike Stump <mrs@apple.com>
6511 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
6514 2006-09-22 Richard Guenther <rguenther@suse.de>
6517 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
6518 sort of stack variables stable.
6520 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
6523 * explow.c (force_reg): Set REG_POINTER flag according to
6526 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
6528 PR tree-optimization/28888
6529 * tree-if-conv.c (combine_blocks): Rewritten.
6530 * tree-cfg.c (tree_verify_flow_info): Check that edges with
6531 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
6533 2006-09-22 Jakub Jelinek <jakub@redhat.com>
6535 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
6538 2006-09-21 Richard Sandiford <richard@codesourcery.com>
6540 * varasm.c (copy_constant): Fix reversed gcc_assert check.
6542 2006-09-21 Janis Johnson <janis187@us.ibm.com>
6544 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
6546 2006-09-21 Roger Sayle <roger@eyesopen.com>
6549 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
6550 dw_fde_current_label, to be the start of the function, i.e. the same
6551 value as dw_fde_begin.
6553 2006-09-20 Richard Sandiford <richard@codesourcery.com>
6555 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
6556 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
6557 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
6558 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
6559 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
6560 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
6561 (abs<mode>2, neg<mode>2): Likewise.
6562 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
6563 (*mips_abs_ps): New define_insn.
6565 2006-09-20 Josh Conner <jconner@apple.com>
6568 * calls.c (expand_call): Allow reuse of structure return stack
6571 2006-09-20 Paul Brook <paul@codesourcery.com>
6573 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
6576 2006-09-20 Janis Johnson <janis187@us.ibm.com>
6578 * doc/extend.texi (Decimal Float): Update for latest draft TR,
6579 clean up terminology.
6581 2006-09-20 Steve Ellcey <sje@cup.hp.com>
6584 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
6585 with tablejumps in them.
6587 2006-09-20 Jakub Jelinek <jakub@redhat.com>
6590 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
6591 wrap it into TARGET_EXPR.
6593 2006-09-20 Eric Christopher <echristo@apple.com>
6595 * config/i386/i386.c (x86_fisttp): Remove.
6596 * config/i386/i386.h (x86_fisttp): Ditto.
6597 (TARGET_FISTTP): Ditto.
6599 2006-09-19 Eric Christopher <echristo@apple.com>
6601 * doc/tm.texi (OBJC_JBLEN): Describe.
6602 * config/i386/darwin.h (OBJC_JBLEN): Define.
6603 * config/rs6000/darwin.h: Ditto.
6605 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
6607 PR rtl-optimization/21299
6608 * reload1.c (reload): Purge invalid ASMs in the final pass.
6610 2006-09-19 Steve Ellcey <sje@cup.hp.com>
6613 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
6614 pointers as legitimate constants.
6616 2006-09-19 Paul Brook <paul@codesourcery.com>
6619 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
6621 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
6623 PR tree-optimization/28887
6624 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
6625 component parts from the reference.
6626 (gather_memory_references_ref): Record the reference without the
6627 nonaddressable component parts.
6629 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
6632 * c-opts.c (c_common_handle_option): Ignore the -std options
6633 if the input language is assembly.
6635 2006-09-17 Ira Rosen <irar@il.ibm.com>
6638 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
6640 (ptr_ptr_may_alias_p): Likewise.
6641 (record_record_differ_p): New function.
6642 (base_object_differ_p): Call record_record_differ_p.
6644 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6647 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
6648 away for the expr argument.
6650 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6653 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
6654 before using it for dumping after vectorizing loops.
6656 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6657 Jack Howarth <howarth@bromo.med.uc.edu>
6660 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
6661 skip on error_mark_node.
6662 (rs6000_darwin64_record_arg_recurse): Likewise.
6664 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6666 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
6667 * doc/rtl.texi: Remove related documentation.
6669 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
6671 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
6674 2006-09-15 Jim Wilson <wilson@specifix.com>
6676 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
6677 Handle symbol offsets same as they are handled in ia64_expand_move
6680 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
6682 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
6683 Add forgotten parameter to the fprintf call.
6685 2006-09-15 Steve Ellcey <sje@cup.hp.com>
6687 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
6689 2006-09-15 Uros Bizjak <uros@kss-loka.si>
6691 * doc/contrib.texi: Add my entry.
6693 2006-09-15 Nick Clifton <nickc@redhat.com>
6695 * doc/md.texi (Processor pipeline description): Fix typo in
6696 example of how to use the absence_set directive and reword the
6697 description to make it slightly easier to read.
6699 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
6701 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
6702 * loop-doloop.c (doloop_optimize): Use it to limit costs of
6703 expanding the number of iterations.
6704 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
6706 * cfgrtl.c (emit_insn_at_entry): New function.
6707 * rtl.h (emit_insn_at_entry): Declare it.
6708 * integrate.c (emit_initial_value_sets): Use it.
6710 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
6712 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
6714 (struct loop_work and related VEC declarations): Delete.
6715 (bfin_dump_loops): Print out new member bad.
6716 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
6717 (bfin_scan_loop): Don't recurse.
6718 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
6719 loops. No longer need to update outer loops if the current one is
6720 found bad. Move some validitiy checks to bfin_discover_loop.
6721 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
6722 but changed not to check for nesting. Also changed to use the new bad
6724 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
6725 time. Use bitmap based test to discover loop nesting.
6727 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
6729 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
6732 2006-09-14 Richard Guenther <rguenther@suse.de>
6733 Kazu Hirata <kazu@codesourcery.com>
6735 PR middle-end/28884.
6736 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
6737 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
6738 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
6739 with TARGET_FUNCTION_VALUE.
6741 2006-09-14 Anatoly Sokolov <aesok@post.ru>
6744 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
6746 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
6748 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
6751 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6754 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
6757 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
6759 * basic_block.h (bb_has_eh_pred): Fix comment.
6761 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
6763 * flow.c (calculate_global_regs_live): Invalidate eh registers
6764 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
6765 (propagate_block): Handle eh registers as if they were set at basic
6767 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
6769 * global.c (global_conflicts): Make eh registers to conflict with
6770 pseudos live at basic block begin.
6771 * basic_block.h (bb_has_eh_pred): New function.
6773 2006-09-13 Richard Sandiford <richard@codesourcery.com>
6775 PR rtl-optimization/28982
6776 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
6777 index of a PRE_MODIFY or POST_MODIFY address.
6778 * reload1.c (inc_for_reload): Use find_replacement on the original
6779 base and index registers.
6781 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
6783 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
6784 for -Os. Update __m128 alignment requirement.
6786 2006-09-13 Jan Hubicka <jh@suse.cz>
6788 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
6790 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
6792 PR rtl-optimization/28243
6793 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
6794 the insn to which the note was originally attached.
6796 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
6797 Roger Sayle <roger@eyesopen.com>
6799 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
6800 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
6801 on platforms that don't use dwarf for debug info.
6803 2006-09-12 Jason Merrill <jason@redhat.com>
6806 * builtins.c (expand_builtin_setjmp_receiver): Clobber
6807 hard_frame_pointer_rtx after using it to update the frame pointer.
6809 2006-09-12 Roger Sayle <roger@eyesopen.com>
6811 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
6812 (TARGET_ASM_CLOSE_PAREN): Likewise.
6813 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
6814 (TARGET_ASM_CLOSE_PAREN): Likewise.
6816 2006-09-12 Roger Sayle <roger@eyesopen.com>
6819 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
6820 frame information for frames larger than 512 Kbytes on Tru64 when
6821 using the native assembler.
6823 2006-09-12 Roger Sayle <roger@eyesopen.com>
6827 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
6828 and symbols. Instead use the implementation from cse.c's hash_rtx.
6830 2006-09-12 Jan Hubicka <jh@suse.cz>
6832 PR rtl-optimization/28071
6833 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
6834 (vect_transform_loop): Likewise.
6835 * tree-vectorizer.c (new_loop_vec_info): Likewise.
6836 (new_loop_vec_info): Likewise.
6837 (destroy_loop_vec_info): Likewise.
6838 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
6839 (create_stmt_ann): Likewise.
6840 (create_tree_ann): Rename to ...
6841 (create_tree_common_ann): ... this one; allocate only the common part
6843 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
6844 (get_value_handle): Likewise.
6845 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
6846 get_tree_common_ann.
6847 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
6848 (vinfo_for_stmt): Use stmt annotations.
6849 * tree-flow.h (tree_ann_common_t): New type.
6850 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
6851 (tree_ann, get_tree_ann, create_tree_ann): New.
6852 * tree-flow-inline.h (get_function_ann): Do more type checking.
6853 (stmt_ann): Likewise.
6854 (tree_ann): Rename to ...
6855 (tree_common_ann): ... this one; return ony common_ann
6856 (get_tree_ann): Rename to ...
6857 (tree_common_ann): This one; return only common_ann.
6858 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
6861 2006-09-11 Geoffrey Keating <geoffk@apple.com>
6863 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
6864 with_cpu by default.
6866 * dwarf2out.c (dwarf_file_data): New.
6867 (enum dw_val_class): Add dw_val_class_file.
6868 (struct dw_val_struct): Add val_file.
6869 (file_table): Change to a hash table.
6870 (file_table_emitted): Delete.
6871 (file_table_last_lookup_index): Delete.
6872 (emitcount): Delete.
6873 (last_emitted_file): New.
6874 (lookup_filename): Change prototype to return a struct dwarf_file_data.
6875 (init_file_table): Delete.
6876 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
6877 (AT_addr): Add comment.
6881 (print_die): Handle dw_val_class_file.
6882 (print_dwarf_line_table): Update for new file table structure.
6883 (attr_checksum): Do checksum a filename.
6884 (same_dw_val_p, same_attr_p): Do compare a filename.
6885 (size_of_die): Handle dw_val_class_file.
6886 (value_format): Likewise.
6887 (output_die): Likewise. Also, call maybe_emit_file here.
6888 (struct file_info): Constify filenames. Make file_idx a pointer
6889 to a struct dwarf_file_data.
6890 (struct dir_info): Constify directory names. Remove 'used' field.
6891 (struct file_name_acquire_data): New.
6892 (file_name_acquire): New.
6893 (output_file_names): Modify to handle new file data structures.
6894 (add_src_coords_attributes): Use add_AT_file.
6895 (add_call_src_coords_attributes): Likewise.
6896 (dwarf2out_imported_module_or_decl): Likewise.
6897 (gen_subprogram_die): Modify for new file data structures.
6898 (gen_variable_die): Likewise.
6899 (file_table_eq): New.
6900 (file_table_hash): New.
6901 (file_table_last_lookup): New.
6902 (lookup_filename): Rewrite to handle new file data structures.
6903 (maybe_emit_file): Rewrite to handle new file data structures.
6904 (dwarf2out_source_line): Always call lookup_filename and
6906 (dwarf2out_init): Create file_table here.
6907 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
6908 (file_table_relative_p): New.
6909 (dwarf2out_finish): Change detection of relative filenames
6910 to work with new file data structures. Move output_line_info call
6911 after debug_info output.
6913 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
6918 * config/i386/i386.c (override_options): Always default to 16
6919 byte stack boundary.
6921 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
6924 * var-tracking.c (dump_dataflow_set): Start dumping at
6926 (clobber_variable_part): Kill only the variable part in
6927 registers holding it, leaving other variables alone.
6929 2006-09-11 Josh Triplett <josh@freedesktop.org>
6931 * doc/extend.texi (Other Builtins): Actually use the macro
6932 argument in the documentation example for
6933 __builtin_types_compatible_p.
6935 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6937 PR rtl-optimization/28726
6938 * sched-deps.c (sched_analyze_reg): New function extracted from...
6939 (sched_analyze_1): ...here. Call it to analyze references to
6940 registers. Treat again writes to a stack register as writing to the
6942 (sched_analyze_2): ...and here. Call it to analyze references to
6943 registers. Treat again reads of a stack register as reading the
6946 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
6947 David Edelsohn <edelsohn@gnu.org>
6950 * config/rs6000/spe.md (frob_df_di): Remove %H.
6951 (frob_di_df): Remove %H. Change evmergelo to mr.
6952 (frob_di_df_2): Remove %H. Change evldd to two loads.
6954 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
6956 * doc/cpp.texi: Fix names of charset options.
6958 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
6961 * config/i386/i386.c (override_options): Use 128-bit
6962 stack boundary always for 64bits.
6964 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6966 PR rtl-optimization/28636
6967 * combine.c (force_to_mode): Test for side-effects before
6968 substituting by zero.
6969 (simplify_shift_const): Likewise for zero or other constants.
6971 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
6974 * builtins.c (expand_builtin_setjmp): Force next_lab to be
6977 2006-09-10 Richard Sandiford <richard@codesourcery.com>
6980 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
6981 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
6982 returned by mode_for_size, rather than the mode of src itself,
6983 to choose between 32-bit and 64-bit patterns.
6984 (mips_mem_fits_mode_p): New function.
6985 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
6986 that the size of the source matches the size of the destination.
6987 (mov_<store>l, mov_<store>r): Likewise.
6989 2006-09-10 Eric Christopher <echristo@apple.com>
6991 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
6994 2006-09-09 Eric Christopher <echristo@apple.com>
6997 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
7000 2006-09-09 Roger Sayle <roger@eyesopen.com>
7001 Nicolas Setton <setton@adacore.com>
7003 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
7005 2006-09-10 Andreas Schwab <schwab@suse.de>
7007 * config/m68k/m68k.md (bungt_rev): New pattern.
7009 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
7010 Dale Johannesen <dalej@apple.com>
7013 * regclass.c (struct reg_pref): Update documentation.
7014 (regclass): Set prefclass to NO_REGS if memory is the best option.
7015 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7017 2006-09-08 Eric Christopher <echristo@apple.com>
7019 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
7020 * config/t-slibgcc-darwin: Support x86_64 multilib.
7021 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
7022 Return 1 for x86_64-darwin.
7023 * config/i386/t-darwin: Add m64 multilib.
7024 (LIB2_SIDITI_CONV_FUNCS): Use.
7025 (LIB2FUNCS_EXTRA): Ditto.
7026 * config/i386/darwin.h: Support x86_64.
7027 * config/i386/i386.c (override_options): Turn on flag_pic
7028 for x86_64-darwin. Disable flag_omit_pointer.
7029 (get_pc_thunk_name): Assert !TARGET_64BIT.
7030 (legitimate_address_p): Disable machopic addressing for
7032 (legitimize_pic_address): Ditto.
7033 (ix86_expand_move): Ditto.
7034 (ix86_expand_call): Ditto.
7035 (machopic_output_stub): Ditto.
7036 * config/darwin.c (machopic_select_section): Support literal16.
7037 (machopic_select_rtx_section): Ditto.
7038 * config/darwin-sections.def: Ditto.
7039 * config/darwin-64.c: New.
7041 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
7044 * c-tree.h (struct c_arg_info): Add pending_sizes.
7045 * c-parser.c (c_parser_parms_declarator,
7046 c_parser_parms_list_declarator): Initialize pending_sizes.
7047 * c-decl.c (get_parm_info): Initialize pending_sizes.
7048 (get_parm_info): Set pending_sizes.
7049 (grokdeclarator): Call put_pending_sizes for parameters for
7050 function definition only.
7052 2006-09-07 Jason Merrill <jason@redhat.com>
7055 * varasm.c (output_constant): Only strip actual no-op conversions.
7058 * config/i386/i386.c (override_options): Use 128-bit
7059 stack boundary if -msse.
7061 2006-09-07 Eric Christopher <echristo@apple.com>
7063 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
7065 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
7068 2006-09-07 Geoffrey Keating <geoffk@apple.com>
7070 * dwarf2out.c: Remove strange characters from comment above
7071 dwarf2out_frame_debug_expr.
7073 2006-09-07 Eric Christopher <echristo@apple.com>
7075 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
7076 * config/darwin.h: ... to here.
7078 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
7080 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
7082 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
7083 (TARGET_PARTIAL_FLAG_REG_STALL): New.
7085 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
7086 TARGET_PARTIAL_FLAG_REG_STALL.
7087 (*ashldi3_cconly_rex64): Likewise.
7088 (*ashlsi3_cmp): Likewise.
7089 (*ashlsi3_cconly): Likewise.
7090 (*ashlsi3_cmp_zext): Likewise.
7091 (*ashlhi3_cmp): Likewise.
7092 (*ashlhi3_cconly): Likewise.
7093 (*ashlqi3_cmp): Likewise.
7094 (*ashlqi3_cconly): Likewise.
7095 (*ashrdi3_cmp_rex64): Likewise.
7096 (*ashrdi3_cconly_rex64): Likewise.
7097 (*ashrsi3_cmp): Likewise.
7098 (*ashrsi3_cconly): Likewise.
7099 (*ashrsi3_cmp_zext): Likewise.
7100 (*ashrhi3_cmp): Likewise.
7101 (*ashrhi3_cconly): Likewise.
7102 (*ashrqi3_cmp): Likewise.
7103 (*ashrqi3_cconly): Likewise.
7104 (*lshrdi3_cmp_rex64): Likewise.
7105 (*lshrdi3_cconly_rex64): Likewise.
7106 (*lshrsi3_cmp): Likewise.
7107 (*lshrsi3_cconly): Likewise.
7108 (*lshrsi3_cmp_zext): Likewise.
7109 (*lshrhi3_cmp): Likewise.
7110 (*lshrhi3_cconly): Likewise.
7111 (*lshrqi2_cmp): Likewise.
7112 (*lshrqi2_cconly): Likewise.
7114 2006-09-07 Uros Bizjak <uros@kss-loka.si>
7117 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
7118 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
7119 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
7120 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
7121 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
7122 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
7123 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
7124 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
7125 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
7126 implement only CC setting effects of shift instructions.
7128 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
7130 * doc/contrib.texi: Add myself.
7132 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
7135 * stor-layout.c (relayout_decl): Don't zero the alignment if it
7136 was set by the user.
7138 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
7141 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
7142 (divsi_inv_m1): Use them.
7143 (UNSPEC_DIV_INV_TABLE): New constant.
7145 2006-09-06 James E Wilson <wilson@specifix.com>
7148 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
7149 then call count_or_remove_death_notes.
7151 2006-09-06 Jason Merrill <jason@redhat.com>
7154 * tree-inline.c (copy_result_decl_to_var): New fn.
7155 (declare_return_variable): Use it. Call declare_inline_vars here.
7156 (expand_call_inline): Not here.
7158 2006-09-06 Diego Novillo <dnovillo@redhat.com>
7160 * doc/contrib.texi: Update my entry.
7162 2006-09-06 Nick Clifton <nickc@redhat.com>
7164 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
7166 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
7169 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
7170 (canonicalize_induction_variables): Likewise.
7171 (tree_unroll_loops_completely): Likewise.
7172 (tree_ssa_prefetch_arrays): Likewise.
7173 (remove_empty_loops): Likewise.
7174 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
7175 TODO_cleanup_cfg instead of directly calling
7176 cleanup_tree_cfg_loop.
7177 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
7179 (tree_unroll_loops_completely): Likewise.
7180 (remove_empty_loops): Likewise.
7181 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
7182 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
7183 of tree_ssa_unswitch_loops.
7184 (tree_ssa_loop_ivcanon): Use the return value of
7185 canonicalize_induction_variables.
7186 (tree_ssa_empty_loop): Use the return value of
7188 (tree_complete_unroll): Use the return value of
7189 tree_unroll_loops_completely.
7190 (tree_ssa_loop_prefetch): Use the return value of
7191 tree_ssa_prefetch_arrays.
7192 * passes.c (execute_todo): Before Cleanup CFG, set
7193 updating_used_alone and after cleanup CFG, call
7194 recalculate_used_alone.
7196 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
7199 * tree-vect-transform.c (vectorizable_condition): Move the check
7200 for the type after the check for simple condition.
7202 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
7203 Kaz Kojima <kkojima@gcc.gnu.org>
7206 * mode-switching.c (optimize_mode_switching): Make the destination
7207 block of an abnormal edge have no anticipatable mode. Don't
7208 insert mode switching code at the end of the source block of
7211 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
7213 PR rtl-optimization/26847
7214 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
7215 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
7216 (simplify_plus_minus): Count n_constants while filling ops. Replace
7217 qsort with insertion sort. Before going through the array to simplify
7218 pairs, sort it. Delay early exit until after the first sort, exiting
7219 only if no swaps occurred. Simplify pairs in reversed order, without
7220 special-casing the first iteration. Pack ops after simplifying pairs.
7222 2006-09-05 Anatoly Sokolov <aesok@post.ru>
7224 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
7225 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7226 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7227 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
7229 2006-09-05 Richard Guenther <rguenther@suse.de>
7231 PR tree-optimization/28900
7232 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
7233 compound conditional before creating COND_EXPR condition.
7235 2006-09-05 Richard Guenther <rguenther@suse.de>
7237 PR tree-optimization/28905
7238 * tree-vrp.c (fix_equivalence_set): Manually implement
7239 !value_ranges_intersect_p to also handle symbolic ranges.
7241 2006-09-05 Richard Guenther <rguenther@suse.de>
7244 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
7247 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7249 PR rtl-optimization/27616
7250 * cse.c (table_size): New static variable.
7251 (new_basic_block): Initialize it to 0.
7252 (remove_from_table): Decrement it.
7253 (insert): Increment it.
7254 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
7255 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
7256 fold_rtx_mem_1 if under the cap.
7257 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
7258 the lookup of the equivalent expression and test for equality of the
7259 first operand of the equivalent expression before in turn looking up
7260 an equivalent constant for the second operand.
7262 2006-09-02 Geoffrey Keating <geoffk@apple.com>
7265 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7266 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7267 pointer, instead of assuming it is possible to derive the
7268 correct args size from a call insn.
7270 2006-09-02 Jakub Jelinek <jakub@redhat.com>
7273 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
7274 (fold_builtin_mempcpy): Rename to...
7275 (fold_builtin_memory_op): ... this. Optimize one element copy
7277 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
7279 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
7280 (expand_builtin_memcpy, expand_builtin_mempcpy,
7281 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
7282 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
7283 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
7284 BUILT_IN_MEM{CPY,PCPY,MOVE}.
7286 2006-09-01 DJ Delorie <dj@redhat.com>
7288 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
7289 (stzx_16): Likewise.
7290 ("stzx_24_<mode>"): Likewise.
7291 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
7292 ("cmp<mode>_op"): New.
7293 (cmp<mode>): Change to expander; just save operands.
7295 (b<code>): Change to expander, emit compare here.
7296 (s<code>_op): Change to use split and expander.
7297 (s<code>_24_op): Likewise.
7298 (s<code>_<mode>): New.
7299 (s<code>_<mode>_24): New.
7300 (movqicc_<code>_<mode): New.
7301 (movhicc_<code>_<mode>): New.
7304 * config/m32c/m32c.c (compare_op0, compare_op1): New.
7305 (m32c_pend_compare): New.
7306 (m32c_unpend_compare): New.
7307 (m32c_expand_scc): New.
7308 (m32c_expand_movcc): Emit the compare also.
7309 * config/m32c/predicates.md (mra_nopp_operand): New.
7311 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
7312 Richard Guenther <rguenther@suse.de>
7313 Adam Nemet <anemet@caviumnetworks.com>
7316 * builtins.c (get_pointer_alignment): Handle more forms
7317 of base addresses that can be used to derive more precise
7318 information about alignment.
7320 2006-09-01 Jason Merrill <jason@redhat.com>
7323 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
7326 * gimplify.c (voidify_wrapper_expr): Handle null type.
7328 2006-09-01 Josh Conner <jconner@apple.com>
7331 * tree-nrv.c (dest_safe_for_nrv_p): New function.
7332 (execute_return_slot_opt): Use it.
7334 2006-08-31 Josh Conner <jconner@apple.com>
7337 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
7338 returning aggregates.
7340 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
7342 PR tree-optimization/28839
7343 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
7344 blocks in that phi arguments appear.
7346 2006-08-31 Roger Sayle <roger@eyesopen.com>
7349 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
7350 NULL, otherwise use an advance_loc4 to adjust relative to the
7352 (output_cfi) <DW_CFA_set_loc>: Update the current label.
7353 (dwarf2out_switch_text_section): Reset the current label to avoid
7354 using advance_loc4 over section boundaries.
7356 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
7359 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
7360 r12 + SYMBOLIC_CONST.
7362 2006-08-30 Richard Guenther <rguenther@suse.de>
7364 * Makefile.in (see.o): Add $(EXPR_H) dependency.
7366 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
7368 PR rtl-optimization/27735
7369 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
7370 Add new argument to keep track of whether an irreducible region
7371 was affected. All callers changed.
7372 (fix_irreducible_loops): Removed.
7373 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
7374 flags were invalidated.
7376 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
7378 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
7379 instead of SF operands.
7380 (*fop_df_comm_sse): Likewise.
7381 (*fop_df_comm_i387): Likewise.
7382 (*fop_df_1_mixed): Likewise.
7383 (*fop_df_1_sse): Likewise.
7385 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
7386 J"orn Rennecke <joern.rennecke@st.com>
7388 PR tree-optimization/17506
7389 * tree-ssa.c (warn_uninit): If warning about a location outside of
7390 the current function, note where the variable was declared.
7392 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
7394 PR tree-optimization/28411
7395 * double-int.c (double_int_div): Use double_int_divmod.
7396 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
7397 double_int_mod, double_int_smod, double_int_umod): New functions.
7398 * double-int.h (double_int_divmod, double_int_sdivmod,
7399 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
7401 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
7403 (get_computation_aff, get_computation_cost_at): Handle double_int
7404 return type of constant_multiple_of.
7406 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
7409 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
7410 an implicit conversion.
7412 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
7414 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
7416 2006-08-27 Roger Sayle <roger@eyesopen.com>
7418 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
7421 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
7423 * config/i386/crtfastmath.c: Fix a comment typo.
7425 2006-08-26 Roger Sayle <roger@eyesopen.com>
7427 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
7428 temporary visit flags on CASE_LABEL_EXPRs.
7429 * c-common.c (match_case_to_enum): Add function comment. Avoid
7430 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
7431 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
7432 CASE_HIGH_SEEN for enumerated types. If the switch expression is
7433 a constant, only warn if that constant value isn't handled.
7435 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
7438 * input.h (restore_input_file_stack): Declare.
7439 (INPUT_FILE_STACK_BITS): Define.
7440 * toplev.c (fs_p, input_file_stack_history,
7441 input_file_stack_restored, restore_input_file_stack): New.
7442 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
7443 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
7444 (pop_srcloc): Don't free old state of stack.
7446 2006-08-26 David Edelsohn <edelsohn@gnu.org>
7449 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
7450 (PowerPC Type Attributes): New.
7452 2006-08-26 Bob Wilson <bob.wilson@acm.org>
7454 * config/xtensa/xtensa.c (function_arg_boundary): New.
7455 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
7457 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
7458 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
7460 2006-08-26 Jakub Jelinek <jakub@redhat.com>
7463 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
7466 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7468 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
7469 (verify_local_live_at_start): Likewise.
7471 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7474 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
7475 omp_add_variable): Treat sizes as variable whenever not
7478 2006-08-26 Richard Guenther <rguenther@suse.de>
7481 * fold-const.c (fold_binary): Fold temporary to correct
7482 type before constructing new comparison.
7484 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
7487 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
7488 variable again if DECL_SEEN_IN_BIND_EXPR_P.
7490 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7493 * c-decl.c (start_function): Don't try to process prototype
7494 information from old declaration that isn't a function.
7496 2006-08-25 Jan Hubicka <jh@suse.cz>
7499 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
7501 2006-08-25 Alan Modra <amodra@bigpond.net.au>
7504 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
7507 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
7509 PR tree-optimization/16876
7510 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
7511 exit if PARM doesn't match VALUE.
7513 2006-08-25 Bob Wilson <bob.wilson@acm.org>
7515 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
7516 literal_prefix directive.
7517 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
7518 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7519 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7521 2006-08-25 David Edelsohn <edelsohn@gnu.org>
7524 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
7525 predicate to general_operand. Add 0->y and I->r alternatives.
7527 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
7529 * doc/tm.texi: Fix a typo.
7530 * predict.c: Fix comment typos.
7532 2006-08-25 Nick Clifton <nickc@redhat.com>
7534 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
7535 assertions of "cpu" and "machine".
7537 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
7540 * tree-ssa-operands.c (access_can_touch_variable): Don't say
7541 the access through a base which has an alias set of 0 cannot
7544 2006-08-24 Bill Wendling <wendling@apple.com>
7546 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
7548 2006-08-24 Jan Hubicka <jh@suse.cz>
7550 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
7552 2006-08-24 Jan Hubicka <jh@suse.cz>
7555 * cgraph.c: Fix comments.
7556 (cgraph_varpool_mark_needed_node): Mark only variables not already
7558 * cgraphunit.c: Update comments; include gt-cgraphunit.h
7559 (cgraph_varpool_assembled_nodes_queue): New static variable.
7560 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
7561 (cgraph_varpool_output_debug_info): New function.
7562 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
7563 * Makefile.in: Add gt-cgraphunit.h
7565 2006-08-24 Jan Hubicka <jh@suse.cz>
7567 * predict.c (probability_reliable_p): New predicate.
7568 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
7569 (predict_loops): Do not predict loop exit with less than 2%
7571 * basic-block.h (edge_probability_reliable_p,
7572 br_prob_note_reliable_p): Declare.
7573 * ia64.h (ia64_print_operand): Do not disable on-chip branch
7574 prediction when static predictor is not reliable.
7575 * rs6000.c (output_cbranch): Likewise.
7577 2006-08-23 Stuart Hastings <stuart@apple.com>
7580 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
7581 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
7583 2006-08-21 Geoffrey Keating <geoffk@apple.com>
7586 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
7587 complex values, nor for generic vector values.
7589 2006-08-22 Richard Guenther <rguenther@suse.de>
7592 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
7593 parameter. Convert arguments to arithmetic expression to the
7595 (analyze_scalar_evolution_1): Adjust caller.
7597 2006-08-22 Jan Hubicka <jh@suse.cz>
7599 Patch by Paolo Bonzini
7600 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
7603 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
7605 PR tree-optimization/28003
7606 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
7607 before grouping aliases.
7609 2006-08-22 Roger Sayle <roger@eyesopen.com>
7611 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
7612 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
7614 2006-08-21 Jason Merrill <jason@redhat.com>
7617 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
7618 wrapper. Loop to handle nested wrappers.
7619 (gimplify_bind_expr): Remove temp parameter.
7620 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
7621 and STATEMENT_LIST on the rhs.
7622 (gimplify_statement_list): Voidify the STATEMENT_LIST.
7623 (gimplify_expr): Pass pre_p to gimplify_statement_list.
7624 (gimplify_target_expr): Remove special BIND_EXPR handling.
7626 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
7628 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
7631 2006-08-21 Olivier Hainque <hainque@adacore.com>
7633 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
7634 Arrange for the temporary captures of components overlapping the lhs
7635 to happen before the lhs is possibly cleared.
7637 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
7639 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
7640 necessary places to pass the correct "number of registers" values
7643 2006-08-20 Jan Hubicka <jh@suse.cz>
7645 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
7646 (create_name_tags): Instead of quadratic checking use hashtable.
7647 * bitmap.h: Include hashtab.h.
7648 (bitmap_hash): Declare.
7649 * bitmap.c (bitmap_hash): New function.
7651 2006-08-20 Jan Hubicka <jh@suse.cz>
7653 PR rtl-optimization/28071
7654 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
7656 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
7657 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
7658 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
7659 cgraph_decide_inlining_incrementally): Update use of
7660 cgraph_check_inline_limits.
7661 * cgraph.c (edge_hash, edge_eq): New function.
7662 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
7663 cgraph_edge_remove_caller, cgraph_node_remove_callees,
7664 cgraph_remove_node): Maintain call site hash.
7665 * cgraph.h (struct cgraph_node): Add call_site_hash.
7666 (cgraph_set_call_stmt): New function.
7668 2006-08-20 Jan Hubicka <jh@suse.cz>
7670 PR rtl-optimization/28071
7671 * reload1.c (reg_has_output_reload): Turn into regset.
7672 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
7673 choose_reload_regs, emit_reload_insns): Update to new
7674 reg_has_output_reload.
7676 2006-08-20 Jan Hubicka <jh@suse.cz>
7679 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
7680 function body sizes.
7681 * cgraphunit.c (cgraph_analyze_function): Don't do so.
7683 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
7686 * tree.c (handle_dll_attribute): Return early if not a
7687 var or function decl.
7689 2006-08-18 Joseph Myers <joseph@codesourcery.com>
7692 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
7693 alignment of SPE vector types.
7695 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
7697 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
7699 2006-08-17 Jakub Jelinek <jakub@redhat.com>
7702 * cgraph.h (struct cgraph_node): Remove externally_visible
7704 * cgraphunit.c (process_function_and_variable_attributes): Set
7705 local.externally_visible rather than externally_visible.
7708 * c-common.c (handle_externally_visible_attribute): First look
7709 at TREE_CODE and only if it is function or var decl, check for
7710 non-public objects. Don't warn for DECL_EXTERNAL.
7711 * cgraphunit.c (process_function_and_variable_attributes): Warn
7712 if externally_visible attribute is used on non-public object.
7714 2006-08-17 Jan Hubicka <jh@suse.cz>
7716 PR tree-optimization/27865
7717 * reload1.c (forget_marked_reloads): New function.
7718 (forget_old_reloads_1): When data are passed, just mark the registers
7720 (reload_as_needed): Use the new mechanizm.
7722 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
7725 * reload.h (reg_equiv_alt_mem_list): New declaration.
7726 * reload1.c (reg_equiv_alt_mem_list): New definition.
7727 (reload): Initialize it and release it.
7728 (delete_output_reload): Use it.
7729 * reload.c (push_reg_equiv_alt_mem): New function.
7730 (find_reloads_toplev): Call it.
7731 (find_reloads_address, find_reloads_address_1): Likewise.
7732 (find_reloads_subreg_address): Likewise.
7734 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7736 PR rtl-optimization/28489
7737 * sched-ebb.c (begin_schedule_ready): Create basic block
7739 (advance_target_bb): Skip empty blocks.
7740 * haifa-sched.c (bb_note): Make global.
7741 * sched-int.h (bb_note): Add prototype.
7743 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7745 PR tree-optimization/27865
7746 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
7748 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
7749 fold_used_pointer, pointer_used_p): New functions.
7750 (analyze_scalar_evolution_1): Use fold_used_pointer.
7751 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
7752 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
7755 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
7758 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
7759 or the INTEGER_CST. Fail on a CALL_EXPR.
7760 (fold_offsetof): Pass new argument to fold_offsetof_1.
7761 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
7762 operand into an INDIRECT_REF.
7763 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
7765 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7767 PR gcov/profile/26570
7768 * value-prof.c (static_values): Removed.
7769 (tree_find_values_to_profile): Do not set static_values.
7770 (find_values_to_profile): Do not free static_values.
7771 * profile.c (instrument_values): Do not free the values.
7772 (branch_prob): Free the values.
7774 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
7776 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
7778 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
7781 * c-typeck.c (build_component_ref): Combine qualifiers of
7782 structure or union and field.
7784 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7786 PR rtl-optimization/28071
7787 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
7788 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
7789 * tree-into-ssa.c (struct dom_dfsnum): New.
7790 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
7792 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
7793 compute_global_livein.
7794 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
7795 in phi nodes in the correct blocks.
7797 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7799 PR tree-optimization/28364
7800 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
7802 (fold_affine_expr): New function.
7803 (may_eliminate_iv): Use fold_affine_expr.
7805 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7808 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
7811 2006-08-16 Mike Stump <mrs@apple.com>
7813 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
7814 * doc/cppopts.texi (-MD): Likewise.
7816 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
7819 * c-common.c (handle_weak_attribute): Ignore and warn if
7820 not a FUNCTION_ or VAR_DECL.
7822 2006-07-15 Mike Stump <mrs@apple.com>
7825 * c-parser.c (c_parser_typeof_specifier): Don't use
7826 c_finish_expr_stmt, open code desired semantics instead.
7828 2006-08-15 Nick Clifton <nickc@redhat.com>
7830 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
7831 fragment to tmake_file only if threads are enabled.
7832 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
7833 * config/i386/t-gthr-win32: New file. ... here.
7835 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7838 * c-parser.c (c_parser_compound_statement_nostart): Reset
7839 parser->error after each statement.
7841 2006-08-15 Jakub Jelinek <jakub@redhat.com>
7844 * omp-low.c (lower_omp_parallel): Convert t to
7845 receiver_decl's type.
7846 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
7847 source before comparison.
7850 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
7851 to itype in assignment to oldival2.
7853 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
7857 * c-typeck.c (build_compound_expr): If the second expression
7858 is an error mark, then just return an error mark instead of
7859 creating a COMPOUND_EXPR.
7861 2006-07-14 Mike Stump <mrs@apple.com>
7863 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
7865 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
7867 * c-decl.c, var-tracking.c: Fix comment typos.
7869 2006-08-14 Richard Sandiford <richard@codesourcery.com>
7871 PR rtl-optimization/28634
7872 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
7873 for floating-point modes unless flag_unsafe_math_optimizations.
7875 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
7876 Andrew Pinski <pinskia@physics.uc.edu>
7879 * tree.c (build_array_type): Unify array types with
7880 unspecified index_type.
7881 * c-decl.c (grokdeclarator): Make sure we do not modify a
7882 unified incomplete array type.
7883 * c-typeck.c (store_init_value): Create distinct type before
7884 filling in the index type in an initializer from a compound
7887 * c-decl.c (grokdeclarator): Remove code where we copy the
7890 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
7892 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
7893 into account for TODO_dump_cgraph.
7894 (TODO_update_ssa_no_phi): Likewise.
7895 (TODO_update_ssa_full_phi): Likewise.
7896 (TODO_update_ssa_only_virtuals): Likewise.
7897 (TODO_remove_unused_locals): Likewise.
7898 (TODO_set_props): Likewise.
7899 (TODO_update_stmt_usage): Likewise.
7901 2006-08-13 Dirk Mueller <dmueller@suse.de>
7903 * c-common.c (strict_aliasing_warning): Fix formatting.
7905 2006-08-13 Matthias Klose <doko@debian.org>
7907 * doc/invoke.texi: Fix spelling errors.
7909 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7911 PR rtl-optimization/23454
7912 * reorg.c (relax_delay_slots): Update comment.
7914 2006-08-11 Richard Guenther <rguenther@suse.de>
7917 * simplify-rtx.c (simplify_const_relational_operation):
7918 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
7921 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
7923 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
7924 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
7926 2006-08-10 Paul Brook <paul@codesourcery.com>
7928 * final.c (final_scan_insn): Clear current_insn_predicate before
7929 outputting inline asm.
7931 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
7933 PR tree-optimization/26197
7934 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
7935 get_ref_base_and_extent and overlap_subvar to add only relevant
7936 subvars as may-aliases.
7937 (add_may_alias_for_new_tag): New function, factored out of
7939 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
7940 with additional argument.
7941 * tree-flow.h (new_type_alias): Takes additional argument.
7943 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
7945 * gcov.c (no_data_file): New flag.
7946 (read_count_file): Set it if data file not present. Assume counts
7948 (output_lines): Don't name the data file, if there wasn't one.
7950 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
7952 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
7953 (rs6000_generate_compare): Tweak comments.
7954 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
7956 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
7958 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
7959 (var_debug_decl): New function.
7960 (var_reg_set): Follow debug decl link. Add location even if
7961 reg is already known to hold some other variable.
7962 (var_mem_set): Follow debug decl link.
7963 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
7964 decl link. Delete other known locations of the variable part
7966 (var_reg_delete, var_mem_delete): Delete other known locations
7967 of the variable part if requested.
7968 (same_variable_part_p): New function.
7969 (add_stores): Select MO_COPY when appropriate.
7970 (vt_initialize): Handle it.
7971 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
7972 known locations for MO_SET and MO_CLOBBER.
7973 (find_variable_location_part): New function.
7974 (set_variable_part, delete_variable_part): Use it.
7975 (clobber_variable_part): New function.
7976 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
7979 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
7981 PR tree-optimization/26969
7982 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
7983 with an empty list of PHIs.
7985 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
7989 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
7992 2006-08-06 Andreas Schwab <schwab@suse.de>
7994 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
7995 string. Whitespace and comment fixup.
7997 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8000 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
8004 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
8007 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
8009 2006-08-04 Jan Hubicka <jh@suse.cz>
8013 * reload.c (push_reload): Patch out the mismatching instruction;
8015 (find_reload): Bail out if the instruction was patched out.
8017 2006-08-04 Jan Hubicka <jh@suse.cz>
8019 PR tree-optimization/24888
8020 * tree-inline.c (expand_call_inline): Do not re-record variables.
8021 (declare_inline_vars): Add variable to unexpanded_var_list.
8023 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8024 Roger Sayle <roger@eyesopen.com>
8026 PR rtl-optimization/26244
8027 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
8028 inner_const are negative or greater than or equal to the bitsize of
8029 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
8030 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
8031 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
8032 CONST0_RTX (mode) when the new shift count is greater than or equal to
8033 to the bitsize of the object being shifted and XEXP (y, 0) has no side
8036 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
8038 * tree-cfg.c: Fix a comment typo.
8040 2006-08-03 Mark Mitchell <mark@codesourcery.com>
8043 * varasm.c (output_constant): Give the front end another chance to
8044 expand constants, after stripping NOPs.
8046 2006-08-03 Jan Hubicka <jh@suse.cz>
8048 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
8051 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
8053 PR tree-optimization/27770
8054 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
8055 declaration removed (moved to tree-flow.h).
8056 (vect_can_force_dr_alignment_p): Likewise.
8057 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
8058 (moved from tree-vectorizer.h).
8059 (vect_can_force_dr_alignment_p): Likewise.
8060 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
8061 from outside the vectorizer - in particular from cgraph stage.
8062 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
8063 the alignment of global arrays when -fsection-anchors is enabled.
8064 * cgraphunit.c (cgraph_increase_alignment): New function.
8065 (cgraph_optimize): Call cgraph_increase_alignment.
8067 2006-08-03 David Edelsohn <edelsohn@gnu.org>
8070 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
8071 not reload a SPE symbol_ref into a lo_sum address.
8073 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
8076 * dwarf2out.c (prune_unused_types_prune): Move call to
8077 prune_unused_types_update_strings to cover the parent DIE also.
8079 2006-08-02 Jan Hubicka <jh@suse.cz>
8081 PR gcov/profile/28480
8082 * tree-cfg.c (change_bb_for_stmt): New function.
8083 (tree_merge_blocks, tree_split_blocks): Use it.
8085 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8091 * toplev.c (compile_file): Return early on errorcount or sorrycount.
8092 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
8093 (cgraph_optimize): Likewise.
8095 2006-08-01 Stuart Hastings <stuart@apple.com>
8097 * rtl.h (UINTVAL) New.
8098 * config/rs6000/rs6000.c (SMALL_INT) Use it.
8099 * testsuite/gcc.dg/20060801-1.c: New.
8101 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
8104 * c-typeck.c (build_external_type): Mark used enum types.
8105 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
8107 (gen_subprogram_die): Whitespace fix.
8109 2006-08-01 Jan Hubicka <jh@suse.cz>
8111 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
8112 bitmap when not needed.
8113 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
8116 2006-08-01 Dirk Mueller <dmueller@suse.de>
8118 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
8120 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8122 * Makefile.in: Revert part of previous patch:
8123 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
8126 2006-07-30 Eric Christopher <echristo@apple.com>
8129 * doc/extend.texi (i386 Variable Attributes): Add anchor.
8130 (PowerPC Variable Attributes): New section.
8132 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
8134 PR target/28126 (partial fix)
8135 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
8137 2006-07-28 Jan Hubicka <jh@suse.cz>
8139 PR rtl-optimization/28071
8140 * cfgrtl.c (rtl_delete_block): Free regsets.
8141 * flow.c (allocate_bb_life_data): Re-use regsets if available.
8143 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8145 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
8146 and variables used in dependencies.
8148 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
8150 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
8151 %fs for -mcmodel=kernel.
8152 (stack_tls_protect_test_di): Likewise.
8154 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
8156 * Makefile.in: Use mkinstalldirs.
8158 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
8161 * opts-common.c (prune_options): Skip joined switches.
8163 2006-07-27 Jan Hubicka <jh@suse.cz>
8165 PR rtl-optimization/28071
8166 * cselib.c (cselib_process_insn): Don't remove useless values too
8167 often for very large hashtables.
8169 2006-07-27 Jan Hubicka <jh@suse.cz>
8171 PR rtl-optimization/28071
8172 * global.c (greg_obstack): New obstack.
8173 (allocate_bb_info): Use it.
8174 (free_bb_info): Likewise.
8175 (modify_reg_pav): Likewise.
8177 2006-07-27 Roger Sayle <roger@eyesopen.com>
8179 * builtins.c (fold_fixed_mathfn): When long and long long are the
8180 same size, canonicalize llceil*, llfloor*, llround* and llrint*
8181 functions to their lceil*, lfloor*, lround* and lrint* forms.
8183 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8186 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
8188 (rev_branch_insn): Likewise.
8190 2006-07-27 Jan Hubicka <jh@suse.cz>
8192 PR rtl-optimization/28071
8193 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
8194 (reg_set_in_bb, max_reg_computed): New static variables.
8195 (regmove_optimize): Free the new array.
8196 (fixup_match_1): Update call of reg_is_remote_constant_p.
8198 2006-07-26 Jan Hubicka <jh@suse.cz>
8200 PR tree-optimization/27882
8201 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
8203 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
8205 (cgraph_analyze_compilation_unit): Likewise.
8206 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
8207 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
8208 (cgraph_early_inlinine): Make order garbage collected.
8209 * Makefile.in (gt-ipa-inline): New garbagecollected file.
8211 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
8213 * dbxout.c (output_types_sort): Add a comment.
8214 (output_used_types): Free the VEC.
8216 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
8218 * function.c (reorder_fix_fragments): Delete.
8219 (reorder_blocks): Don't call it.
8220 (reorder_blocks_1): Put all subblocks under the origin block.
8222 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
8224 PR rtl-optimization/27907
8225 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
8228 2006-07-25 Roger Sayle <roger@eyesopen.com>
8231 * convert.c (convert_to_integer): When transforming (T)foo(x) into
8232 bar(x) check that bar's result type can represent all the values of T.
8234 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
8236 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
8238 2006-07-25 Nick Clifton <nickc@redhat.com>
8240 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
8241 size_lookup[] array.
8242 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
8243 (ggc_pch_count_object): Likewise.
8244 (ggc_pch_alloc_object): Likewise.
8245 (ggc_pch_write_object): Likewise.
8246 (init_ggc): Do not attempt to initialize entries in the
8247 size_lookup[] array for objects whose size is greater than than
8248 the length of the array.
8250 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
8252 * dbxout.c (output_used_types_helper): Push queued types
8254 (output_types_sort): New.
8255 (output_used_types): Collect used types on a VEC and sort them
8258 2006-07-24 Richard Guenther <rguenther@suse.de>
8261 * cgraph.c (cgraph_remove_node): Do not check if dumps
8263 * cgraphunit.c (cgraph_optimize): Likewise.
8265 2006-07-24 Jan Hubicka <jh@suse.cz>
8267 PR rtl-optimization/28071
8268 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
8269 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
8270 splitting before first stmt.
8272 2006-07-24 Jan Hubicka <jh@suse.cz>
8274 PR rtl-optimization/28071
8275 * ipa-inline.c (update_caller_keys): Remove edges that
8276 are no longer inline candidates.
8278 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
8281 * dbxout.c (output_used_types_helper, output_used_types): New.
8282 (dbxout_symbol): Call output_used_types.
8284 2006-07-23 Jan Hubicka <jh@suse.cz>
8288 * cgraph.c (cgraph_varpool_nodes): Export.
8289 (decide_is_variable_needed): Ignored "used" attribute in
8290 unit-at-a-time mode.
8291 * cgraph.h (cgraph_varpool_nodes): Declare.
8292 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
8293 unit-at-a-time mode.
8295 2006-07-23 Roger Sayle <roger@eyesopen.com>
8298 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
8299 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
8300 the __gthrw form of thr_keycreate.
8301 (__gthread_key_delete): Silence the unused argument warning.
8303 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
8306 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
8307 Cache the last found '\0' marker to avoid quadratic behavior.
8309 2006-07-23 Jan Hubicka <jh@suse.cz>
8311 * i386.md (subsi_3_zext): Fix output template.
8313 2006-07-21 Mike Stump <mrs@apple.com>
8315 * doc/invoke.texi (C++ Dialect Options): Note that
8316 -fvisibility-inlines-hidden doesn't affect explicitly
8317 instantiationed inline methods.
8319 2006-07-20 Roger Sayle <roger@eyesopen.com>
8321 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
8322 if the target assembler is GNU binutils' gas.
8323 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
8324 whether to pass GNU gas or native as command line options.
8326 2006-07-20 Jason Merrill <jason@redhat.com>
8328 * tree.c (remove_attribute): New fn.
8329 * tree.h: Declare it.
8331 2006-07-20 Paul Brook <paul@codesourcery.com>
8334 * cse.c (cse_insn): Add destination addresses to hash table. Check if
8335 they are invalidated by this instruction.
8337 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
8340 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
8342 2006-07-20 Eric Christopher <echristo@apple.com>
8345 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
8347 2006-07-19 Eric Christopher <echristo@apple.com>
8349 * config/t-slibgcc-darwin (stmp-lipo): Remove.
8350 Rewrite dependencies for libgcc_s.1.dylib.
8352 2006-07-19 Jakub Jelinek <jakub@redhat.com>
8354 * except.c (duplicate_eh_regions_1): Clear next_peer.
8356 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
8358 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
8359 -mlongcall does not guarantee all calls will be long.
8360 * doc/extend.texi (long_call/short_call): Document that longcall
8361 does not guarantee a long call will be used.
8362 (longcall/shortcall): Likewise.
8364 2006-07-18 Roger Sayle <roger@eyesopen.com>
8367 * expmed.c (expand_shift): Additionally check that the shift_cost
8368 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
8369 before implementing a LSHIFT_EXPR as a sequence of additions.
8370 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
8371 middle-end that DImode shifts need to be synthesized by expand.
8373 2006-07-18 Diego Novillo <dnovillo@redhat.com>
8376 * tree-ssa-operands.c (access_can_touch_variable): Update
8378 Return true if ALIAS is .GLOBAL_VAR.
8380 2006-07-18 David Daney <ddaney@avtrex.com>
8382 * gcc.c (display_help): Fix typo in help text.
8384 2006-07-18 Olivier Hainque <hainque@adacore.com>
8386 * tree.h (categorize_ctor_elements): Adjust prototype and add
8387 descriptive comment, both in accordance with the interface change
8389 * varasm.c (constructor_static_from_elts_p): New function.
8390 Whether a constructor node is a valid static constant initializer
8391 if all its elements are.
8392 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
8393 * output.h: Declare it.
8394 * expr.c (categorize_ctor_elements_1): Return whether the constructor
8395 is a valid constant initializer instead of computing the number of
8396 non-constant elements. Use constructor_static_from_elts_p for this
8397 purpose. Replace the head comment with an indication that this is a
8398 helper for categorize_ctor_elements.
8399 (categorize_ctor_elements): Same interface change as for the _1
8400 helper. Former head comment from this helper moved here, adjusted to
8401 account for the interface changes.
8402 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
8403 (all_zeros_p): Likewise.
8404 * gimplify.c (gimplify_init_constructor): Decide whether we can make
8405 static versions of the constructor from the categorize_ctor_elements
8406 return value instead of the formerly computed number of non-constant
8409 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
8411 * configure: Regenerate.
8412 * Makefile.in (build_libsubdir): New configure substitution
8413 (build_libobjdir): New variable.
8414 (BUILD_LIBIBERTY): Use it.
8416 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8419 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
8421 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
8424 * c-common.c (handle_weakref_attribute): Ignore attribute in
8425 the same conditions the alias attribute is ignored.
8427 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
8429 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
8430 (dbxout_begin_prologue): Increment scope_labelno.
8432 2006-07-17 Richard Henderson <rth@redhat.com>
8435 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
8438 2006-07-17 Roger Sayle <roger@eyesopen.com>
8439 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8441 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
8442 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
8443 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
8444 functions such as sbrk, write, etc.. Add function prototypes.
8445 Convert function declarations from K&R to ISO C. Cast pointers
8446 to "long" and "unsigned long" instead of "int" and "unsigned int".
8447 Convert tokens following #endif into comments.
8449 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
8451 * invoke.texi: Remove mention of f77; Reformat table for
8452 inline parameter options correctly; mention that -malign-double
8453 is default on x86-64 targets.
8455 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
8457 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
8458 (convert_affine_scev, chrec_convert_aggressive): Use
8459 avoid_arithmetics_in_type_p. Do not check for the subtypes
8462 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8465 * optabs.c (expand_doubleword_shift): Wrap the call to
8466 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
8468 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8471 * optabs.c (expand_binop): Pass next_methods rather than methods
8472 to expand_doubleword_shift.
8474 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
8477 * tree.h (dump_addr): Declare.
8478 * print-tree.c (dump_addr): New function.
8479 (print_node_brief, print_node): Use it.
8480 * print-rtl.c (print_rtx): Likewise.
8481 * common.opt (-fdump-noaddr): New option.
8482 * doc/invoke.texi (-fdump-noaddr): Document.
8483 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
8484 (ve_info_hash): Likewise.
8486 2006-07-13 Andrew Haley <aph@redhat.com>
8488 PR tree-optimization/19505
8489 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
8490 edge leaving this block, make sure that the destination of this
8491 block has only one predecessor.
8493 2006-07-17 Richard Guenther <rguenther@suse.de>
8495 PR tree-optimization/28238
8496 * tree-inline.c (copy_bb): Check if we produced valid
8497 gimple copying and substituting a stmt. If not, gimplify
8500 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
8502 * optabs.c (maybe_encapsulate_block): New function extracted from...
8503 (emit_libcall_block): ...here. Invoke it on the block of insns to
8504 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
8505 (emit_no_conflict_block): Likewise.
8507 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8509 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
8511 2006-07-15 Roger Sayle <roger@eyesopen.com>
8513 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
8514 a new NOP_EXPR case of the switch statement.
8516 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
8519 * stor-layout.c (place_field): Take the bit field with
8520 an excessive size into account in the ms-bitfiled case.
8523 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
8524 the previous bit field.
8526 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
8529 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
8531 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8533 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
8534 signal frames correctly even when the signal was installed with
8537 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
8539 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
8540 (dbxout_function_end): Use local label LFBB. Remove hook
8542 (dbxout_source_line): Use local label LFBB.
8543 (dbxout_block): Likewise.
8544 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
8545 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
8546 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
8547 and DBX_OUTPUT_NFUN.
8549 2006-07-13 Janis Johnson <janis187@us.ibm.com>
8551 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
8553 2006-07-13 Jan Hubicka <jh@suse.cz>
8555 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
8557 * output.h (align_variable): Declare.
8558 * varasm.c (align_variable): Export.
8559 * value-prof.c (tree_value_profile_transformations): Recompute iterator
8560 when basic block changed.
8562 2006-07-13 Nick Clifton <nickc@redhat.com>
8564 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
8565 walking the LOG_LINKS chain.
8567 2006-07-12 Geoffrey Keating <geoffk@apple.com>
8569 * doc/invoke.texi (C++ Dialect Options): Explain difference
8570 between -fvisibility-inlines-hidden and setting hidden
8571 visibility explicitly.
8573 2006-07-12 Eric Christopher <echristo@apple.com>
8575 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
8576 (stmp-lipo): Depend on libgcc.a.
8578 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
8580 * tree.c: Fix a comment typo.
8582 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
8584 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
8586 (umulhisi3_r): Likewise.
8588 2006-07-12 Paolo Carlini <pcarlini@suse.de>
8591 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
8592 x < 19, vs wchar_t support.
8594 2006-07-12 Nick Clifton <nickc@redhat.com>
8596 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
8597 instead of -isa=sh4.
8599 2006-07-12 Mike Stump <mrs@apple.com>
8601 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
8603 2006-07-10 Eric Christopher <echristo@apple.com>
8605 * config/t-slibgcc-darwin: Rewrite.
8607 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
8610 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
8613 2006-07-08 Matthias Klose <doko@debian.org>
8615 * doc/sourcebuild.texi: Fix typo.
8617 2006-07-07 Mike Stump <mrs@apple.com>
8619 * toplev.c (process_options): Don't give -ffunction-sections may
8620 affect debugging warning for Mach-O.
8622 2006-07-07 James E Wilson <wilson@specifix.com>
8624 * config/mips/mips.md (cpu): Add sb1a.
8625 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
8626 addition to sb1. Adjust comments to clarify SB-1A differences from
8628 (ir_sb1a_load): New. Modify bypasses to use it.
8629 (ir_sb1a_simple_alu): Likewise.
8630 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
8631 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
8632 (mips_issue_rate): Add PROCESSOR_SB1A.
8633 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
8634 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
8635 (TARGET_SB1): Add PROCESSOR_SB1A check.
8636 (TUNE_SB1): Likewise.
8638 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
8639 * config/mips/mips.c (mips_store_data_bypass_p): New.
8640 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
8641 store_data_bypass_p.
8643 2006-07-08 Paul Brook <paul@codesourcery.com>
8646 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
8648 2006-07-07 Richard Guenther <rguenther@suse.de>
8651 * tree.h (build_one_cst): Declare.
8652 * tree.c (build_one_cst): New function.
8653 * tree-ssa-math-opts.c (get_constant_one): Remove.
8654 (insert_reciprocals): Use build_one_cst.
8655 * fold-const.c (fold_plusminus_mult): Likewise.
8657 2006-07-07 Roger Sayle <roger@eyesopen.com>
8659 * pointer-set.c (pointer_set_destroy): Correct whitespace.
8660 * cfgloopanal.c (dump_graph): Likewise.
8661 * dojump.c (discard_pending_stack_adjust): Likewise.
8662 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
8664 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
8665 * function.c (finalize_block_changes): Likewise.
8666 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
8667 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
8668 * rtl.c (dump_rtx_statistics): Likewise.
8669 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
8671 * varray.c (dump_varray_statistics): Likewise.
8672 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
8673 decode_decimal64, encode_decimal128, decode_decimal128,
8674 decimal_real_to_decimal): Likewise.
8676 2006-07-07 Richard Guenther <rguenther@suse.de>
8678 PR tree-optimization/28187
8679 * tree-vrp.c (vrp_operand_equal_p): New function.
8680 (vrp_bitmap_equal_p): Likewise.
8681 (update_value_range): Use them to compare old and new
8684 2006-07-06 Roger Sayle <roger@eyesopen.com>
8686 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
8687 a default case to switch statement to silence compiler warnings.
8689 2006-07-06 Roger Sayle <roger@eyesopen.com>
8692 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
8693 the configured assembler supports the x87's ffreep mnemonic.
8694 * configure: Regenerate.
8695 * config.in: Regenerate.
8697 * config/i386/i386.c (output_387_ffreep): New function.
8698 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
8699 (output_387_reg_move): Likewise.
8701 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
8703 Port to hosts whose 'sort' and 'tail' implementations
8704 treat operands with leading '+' as file names, as POSIX
8705 has required since 2001. However, make sure the code still
8706 works on pre-POSIX hosts.
8707 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
8708 which says you should use "tail -c +N" rather than "tail +Nc".
8709 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
8711 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
8713 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
8716 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8719 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
8720 PRE_{INC,DEC} of TFmode.
8722 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8723 Alan Modra <amodra@bigpond.net.au>
8726 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
8729 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8732 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
8733 Remove duplicate gtu.
8735 2006-07-05 Jason Merrill <jason@redhat.com>
8739 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
8740 * c-common.c (handle_packed_attribute): So don't copy it here.
8741 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
8743 2006-07-05 Mike Stump <mrs@apple.com>
8745 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
8747 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
8750 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
8752 2006-07-05 Richard Guenther <rguenther@suse.de>
8755 * config/i386/i386.md (*negdf2_1): Restrict pattern to
8756 TARGET_SSE2 targets if using SSE math.
8757 (*absdf2_1): Likewise.
8759 2006-07-05 Richard Guenther <rguenther@suse.de>
8761 PR tree-optimization/28162
8762 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
8763 make sure to convert the operands to the correct type.
8765 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
8767 PR tree-optimization/28218
8769 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
8770 to calculate and free the dominator information.
8772 2006-07-04 Peter O'Gorman <peter@pogma.com>
8774 * mklibgcc.in: chmod 644 before ranlib during install.
8776 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
8777 J"orn Rennecke <joern.rennecke@st.com>
8779 * configure.ac (.eh_frame data check): Use diff -b.
8781 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8784 * Makefile.in (BUILD_RTL): Add build/vec.o.
8785 (build/gencondmd.o): Filter out -fkeep-inline-functions.
8786 (build/genextract): Delete.
8787 (build/genautomata): Likewise.
8789 2006-07-04 Alan Modra <amodra@bigpond.net.au>
8792 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
8793 128-bit IBM long doubles for ABI_V4.
8795 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
8797 * tree.c (range_in_array_bounds_p): New predicate.
8798 * tree.h (range_in_array_bounds_p): Declare it.
8799 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
8800 return a less conservative answer.
8801 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
8802 and flag 'is_group'.
8803 (IS_ELEMENT_FOR_GROUP): New macro.
8804 (FOR_EACH_ACTUAL_CHILD): Likewise.
8805 (next_child_for_group): New helper function.
8806 (can_completely_scalarize_p): Take into account groups.
8807 (sra_hash_tree): Handle RANGE_EXPR.
8808 (sra_elt_eq): Likewise.
8809 (lookup_element): Be prepared for handling groups.
8810 (is_valid_const_index): Delete.
8811 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
8812 instead of is_valid_const_index.
8813 <ARRAY_RANGE_REF>: New case.
8814 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
8815 is_valid_const_index.
8816 <ARRAY_RANGE_REF>: Do not unconditionally punt.
8817 (scan_dump): Dump info for groups too.
8818 (decide_instantiation_1): Likewise.
8819 (decide_block_copy): Assert that the element is not a group.
8820 Propagate decision to groups.
8821 (generate_one_element_ref): Handle RANGE_EXPR.
8822 (mark_no_warning): Iterate over actual childs.
8823 (generate_copy_inout): Likewise.
8824 (generate_element_copy): Likewise.
8825 (generate_element_zero): Likewise.
8826 (generate_element_init_1): Likewise.
8827 (dump_sra_elt_name): Handle RANGE_EXPR.
8829 2006-07-03 Roger Sayle <roger@eyesopen.com>
8831 PR tree-optimization/26251
8832 * tree-ssa-threadupdate.c (redirection_block_p): New function.
8833 (thread_block): When optimizing for size refuse to thread jumps
8834 that would require duplication of blocks other than redirection
8837 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
8839 * configure.ac: Fix thinko in previous check-in.
8840 * configure: Regenerate.
8842 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
8845 * configure.ac (for lang...): Simplify nesting of conditionals.
8846 Test subdir_requires for non-enabled languages. Move processing
8847 of lang_opt_files and lang_tree_fiels below that test.
8848 * configure: Regenerate.
8849 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
8851 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
8853 * doc/gcov.texi (Invoking Gcov): Add a missing word.
8855 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
8857 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
8860 2006-06-29 Jason Merrill <jason@redhat.com>
8867 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
8868 * c-common.c (c_determine_visibility): Handle it here.
8869 * c-decl.c (finish_decl): Call c_determine_visibility for
8871 * flags.h (enum symbol_visibility): Sort from most to least visibility.
8873 * varasm.c (default_assemble_visibility): Likewise.
8874 * c-common.c (handle_visibility_attribute): Complain about trying
8875 to give visibility to an already defined class, or trying to change
8876 declared visibility. Always attach the attribute.
8881 * attribs.c (decl_attributes): Ignore type-in-place attributes
8882 once the type has been defined.
8884 2006-06-29 Roger Sayle <roger@eyesopen.com>
8887 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
8888 to indicate the cpplib has issued an error message for us.
8890 2006-06-29 Asher Langton <langton2@llnl.gov>
8893 * config/i386/i386.c (ix86_output_function_epilogue): Don't
8894 insert a label at the end of an function under Mach-O.
8896 2006-06-29 Eric Christopher <echristo@apple.com>
8897 Evan Cheng <evan.cheng@apple.com>
8899 * predicates.md (vector_all_ones_operand): New.
8900 (nonimmediate_or_sse_const_operand): Ditto.
8901 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
8902 * config/i386/i386.c (standard_sse_constant_opcode): Define.
8903 (standard_sse_mode_p): Ditto.
8904 (standard_sse_constant_p): Add case for -1 vector.
8905 (ix86_expand_vector_move): Try to use.
8906 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
8907 Call standard_sse_constant_opcode.
8908 (*movv4sf_internal): Ditto.
8909 (*movv2df_internal): Ditto.
8911 2006-06-29 Roger Sayle <roger@eyesopen.com>
8913 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
8914 of XEXP to extract the operands of a MATCH_CODE rtx.
8916 2006-06-28 Andrew Pinski <pinskia@gmail.com>
8918 * tree.c (tree_size): Do not waste tail padding in
8919 struct tree_string and make the size be the same as
8920 build_string will generate.
8922 2006-06-28 Jason Merrill <jason@redhat.com>
8925 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
8926 may_aliases already in the tag's annotations to the bitmap.
8928 2006-06-28 Roger Sayle <roger@eyesopen.com>
8930 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
8932 2006-06-28 Roger Sayle <roger@eyesopen.com>
8934 * genpreds.c (generate_switch_p): New function.
8935 (add_mode_tests): Push the new mode test down inside an AND expr
8936 if this allows the switch-suitable MATCH_CODE to be near the root.
8937 (write_match_code_switch): New function to write a MATCH_CODE as
8939 (write_predicate_stmts): New function to write a predicate RTX
8940 expression as a sequence of statements.
8941 (write_one_predicate_function): Use write_predicate_stmts.
8942 (write_tm_constrs_h): Likewise.
8944 2006-06-26 Fred Fish <fnf@specifix.com>
8946 * config/mips/t-sb1: New file.
8947 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
8950 2006-06-26 DJ Delorie <dj@redhat.com>
8952 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
8954 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
8955 Jayant Sonar <jayants@kpitcummins.com>
8956 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
8958 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
8959 (subsi3, subsi3_1, subsi3_2): New.
8960 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
8961 * config/m32c/mov.md (SI mov peephole): New.
8962 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
8963 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
8965 2006-06-26 Olivier Hainque <hainque@adacore.com>
8967 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
8968 a CALL_EXPR target function declaration.
8970 2006-06-26 Richard Guenther <rguenther@suse.de>
8972 * tree.c (build_string): Do not waste tail padding in
8975 2006-06-26 Richard Guenther <rguenther@suse.de>
8977 * ggc-page.c (init_ggc): Add missing element to size_lookup
8981 2006-06-23 Richard Guenther <rguenther@suse.de>
8983 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
8984 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
8985 alignment requests instead. Add verification code.
8986 Add struct tree_function_decl and struct tree_binfo size to
8987 extra_order_size_table. Add missing element to size_lookup
8990 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
8993 * fold-const.c (const_binop): Be prepared for self returning zero.
8994 Simplify code handling complex values.
8996 2006-06-24 Olivier Hainque <hainque@adacore.com>
8998 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
8999 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
9002 2006-06-24 Olivier Hainque <hainque@adacore.com>
9004 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
9005 ARRAY_REF, so have the callback called for the low bound expression.
9007 2006-06-23 Janis Johnson <janis187@us.ibm.com>
9009 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
9010 * c-typeck.c (c_common_type): Disallow operations on decimal float
9011 types and other float types.
9012 * convert.c (convert_to_real): Don't ignore conversions involving
9013 decimal float types.
9015 2006-06-23 Olivier Hainque <hainque@adacore.com>
9017 * tree.c (max_int_size_in_bytes): New function, inspired from
9018 code in function.c:assign_temp.
9019 * tree.h (max_int_size_in_bytes): Declare.
9020 * function.c (assign_temp): Use it.
9021 * gimplify.c (create_tmp_var): Relax the assertions on the type
9022 properties, not mandating constant size any more.
9023 (force_constant_size): New static function.
9024 (gimple_add_tmp_var): Use it, forcing variable size to a
9025 constant upper bound if it is not constant on entry.
9027 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
9030 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
9031 for initialization and setting of one_only flag to ...
9032 (i386_pe_encode_section_info): ...here.
9033 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
9034 Recheck that the symbol has not been defined.
9036 2006-06-23 Richard Guenther <rguenther@suse.de>
9038 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
9039 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
9040 alignment requests instead. Add verification code.
9041 Add struct tree_function_decl and struct tree_binfo size to
9042 extra_order_size_table. Add missing element to size_lookup
9045 2006-06-22 Roger Sayle <roger@eyesopen.com>
9046 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9049 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
9050 call to lang_hooks.types.type_for_mode returned NULL_TREE.
9052 2006-06-23 Ben Elliston <bje@au.ibm.com>
9054 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
9055 negate dn -- manipulate it directly.
9057 2006-06-22 Roger Sayle <roger@eyesopen.com>
9058 Steven Bosscher <stevenb.gcc@gmail.com>
9061 * reload1.c (gen_reload): Call mark_jump_label on the new insns
9062 generated by gen_move_insn to add REG_LABEL notes if necessary.
9064 2006-06-22 Bob Wilson <bob.wilson@acm.org>
9066 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
9067 (leaf_entry): Remove use of MIN_ESA.
9069 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
9071 PR rtl-optimization/28121
9072 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
9075 2006-06-21 DJ Delorie <dj@redhat.com>
9077 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
9079 (mulhisi3_r): Likewise.
9081 2006-06-21 Richard Sandiford <richard@codesourcery.com>
9084 * coverage.c (coverage_counter_alloc): Leave the index type
9086 (coverage_counter_alloc): Use null arguments for operands 2 and 3
9089 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
9091 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
9092 section from the "Options for Code Generation Conventions".
9094 2006-06-21 Richard Henderson <rth@redhat.com>
9098 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
9100 (global_symbolic_operand): Allow weak symbols, even if local_p.
9102 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
9104 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
9105 (find_interesting_uses_address): Punt if above function returns true.
9107 2006-06-21 Richard Guenther <rguenther@suse.de>
9109 * configure: Regenerated.
9111 2006-06-21 Joseph Myers <joseph@codesourcery.com>
9113 * config/mips/mips.c (function_arg): Where one part of a
9114 complex argument is in registers and the other part in the stack,
9115 return a REG not a PARALLEL.
9117 2006-06-21 Mark Mitchell <mark@codesourcery.com>
9119 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
9120 when cross-compiling. Do not substitute libstdcxx_incdir.
9121 * configure: Regenerated.
9123 2006-06-21 Jakub Jelinek <jakub@redhat.com>
9125 * varasm.c (mergeable_string_section): Check for embedded NULs and
9126 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
9127 rather than TREE_STRING_LENGTH bytes.
9129 2006-06-21 Richard Guenther <rguenther@suse.de>
9131 * ggc-page.c (extra_order_size_table): Add var_ann_d,
9132 tree_ssa_name, bitmap_element and phi_node with 4 arguments
9135 2006-06-21 Richrad Guenther <rguenther@suse.de>
9137 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
9138 Limit iteration over the dominators.
9140 2006-06-20 Roger Sayle <roger@eyesopen.com>
9142 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
9143 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
9145 2006-06-20 Richard Guenther <rguenther@suse.de>
9146 Michael Matz <matz@suse.de>
9148 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
9150 * alloc-pool.c (free_alloc_pool_if_empty): New function.
9151 * et-forest.h (et_free_pools): Prototype new function.
9152 * et-forest.c (et_free_tree_force): Free parent occurrence.
9153 (et_free_pools): New function.
9154 * dominance.c (free_dominance_info): Free et-forest alloc
9157 2006-06-20 Roger Sayle <roger@eyesopen.com>
9159 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
9160 integer modes, attempt to directly construct an integer constant.
9162 * fold-const.c (native_encode_vector): Determine the size of each
9163 element from the vector type instead of the first vector element.
9165 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
9166 if all of its elements/components are constant.
9167 (build_constructor_from_list): Likewise.
9169 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
9171 PR tree-optimization/27331
9172 * tree-data-ref.c (free_data_ref): New function.
9173 (create_data_ref): Fail if the data reference has unknown access
9175 (free_data_refs): Use free_data_ref.
9177 2006-06-19 Andrew Pinski <pinskia@gmail.com>
9180 * tree-inline.c (setup_one_parameter): Strip useless
9181 type conversion before adding it to the IR.
9182 (declare_return_variable): Likewise.
9184 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
9187 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
9189 2006-06-19 Mike Stump <mrs@apple.com>
9191 * tree.c (variably_modified_type_p): VM arguments don't make the
9194 2006-06-19 Richard Guenther <rguenther@suse.de>
9196 * tree-ssa-pre.c (try_combine_conversion): Strip useless
9197 type conversions after folding.
9199 2006-06-19 Richard Guenther <rguenther@suse.de>
9201 * ggc-page.c (extra_order_size_tab): Add entries with
9202 size of struct function and basic_block.
9203 (size_lookup): Extend to cover sizes up to 511.
9204 (ggc_alloc_stat): Adjust user.
9205 (ggc_pch_count_object): Likewise.
9206 (ggc_pch_alloc_object): Likewise.
9207 (ggc_pch_write_object): Likewise.
9209 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
9211 * tree-ssa-loop-niter.c (implies_ge_p): New function.
9212 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
9215 2006-06-19 Denis Chertykov <denisc@overta.ru>
9217 * config/avr/libgcc.S : Correct my wrong previous commit.
9219 2006-06-19 Roger Sayle <roger@eyesopen.com>
9222 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
9223 have stripped a SUBREG from the shift count, so we may need to
9224 convert_to_mode back to the type's mode before calling make_tree.
9225 Use new_amount instead of amount to avoid expanding a tree twice.
9227 2006-06-19 Richard Guenther <rguenther@suse.de>
9230 * fold-const.c (operand_equal_p): Check if the argument types
9231 have the same precision before stripping NOPs.
9233 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
9235 Fix PR tree-optimization/27341
9236 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
9238 * tree-complex.c (pass_lower_complex): Update SMT usage.
9240 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
9242 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
9243 Add a new alternative to the constraint strings. Add move of
9244 operand 1 to 3 to the splitter definition.
9245 ("doloop_si_long"): Second contraint alternative removed.
9247 2006-06-08 Anatoly Sokolov <aesok@post.ru>
9249 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
9250 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
9252 (AVR_HAVE_MOVW) Define.
9253 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
9254 (ASM_SPEC): Add avr25.
9255 (LINK_SPEC): Add avr25.
9256 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
9257 (base_arch_s): Add new member 'have_movw_lpmx'.
9258 (avr_arch_types): Init 'have_movw_lpmx'.
9259 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
9260 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
9261 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
9262 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
9263 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
9265 (avr_file_start): Do not output '.arh' derective.
9266 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
9267 (__do_copy_data): Use __AVR_HAVE_LPMX__.
9268 * config/avr/avr.md (mcu_enhanced): Delete.
9269 (mcu_have_movw): Define.
9270 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
9271 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
9272 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
9273 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
9274 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
9275 attiny861 and at86rf401 devices.
9277 2006-06-18 Jie Zhang <jie.zhang@analog.com>
9279 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
9282 2006-06-17 Karl Berry <karl@gnu.org>
9284 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
9285 doc/gccint.texi, doc/install.texi (@dircategory): Use
9286 "Software development" instead of "Programming", following
9287 the Free Software Directory.
9289 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
9291 * config/i386/i386.c (legitimate_tls_address)
9292 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
9293 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
9294 (*tls_dynamic_gnu2_combine_64): Likewise.
9296 2006-06-16 Richard Guenther <rguenther@suse.de>
9299 * fold-const.c (negate_expr_p): Do not introduce undefined
9300 overflow in negating INTEGER_CSTs.
9301 (fold_negate_expr): Rename from negate_expr. Revert last
9302 change for folding BIT_NOT_EXPR. Change semantics to
9303 return NULL_TREE for non-simplified negations. Do not
9304 strip type conversions and unify type handling.
9305 (negate_expr): New function, wrap around fold_negate_expr
9306 but ensure building a tree always. Strip type conversions
9307 here, fold to result type.
9308 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
9310 2006-06-16 Roger Sayle <roger@eyesopen.com>
9313 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
9314 that (would) return their results in stack registers.
9316 2006-06-16 Michael Matz <matz@suse.de>
9317 Richard Guenther <rguenther@suse.de>
9319 * fold-const.c (fold_truthop): Only return new tree node if
9320 we canonicalized something.
9322 2006-06-16 Richard Guenther <rguenther@suse.de>
9324 * function.h (enum function_frequency): Move declaration
9325 out of struct function.
9326 (struct function): Move bool fields and the enum to the bitfield
9327 section. Reorder elements to avoid padding. Remove unused
9328 fields left over from the RTL inliner removal.
9329 * function.c (free_after_compilation): Do not zero removed fields.
9330 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
9331 (ipa-type-escape.o): Likewise.
9333 2006-06-16 Richard Guenther <rguenther@suse.de>
9335 * cgraph.h (struct cgraph_local_info): Turn bool elements
9337 (struct cgraph_node): Likewise.
9338 (struct cgraph_varpool_node): Likewise.
9340 2006-06-15 Richard Guenther <rguenther@suse.de>
9342 * fold-const.c (fold_truth_not_expr): Rename from
9343 invert_truthvalue. Give it fold_* semantics to avoid
9345 (invert_truthvalue): New function. Wrapper around
9346 fold_truth_not_expr.
9347 (optimize_minmax_comparison): Avoid creating garbage.
9348 (fold_unary): Use fold_truth_not_expr for folding
9350 (fold_ternary): Replace uses of invert_truthvalue with
9351 fold_truth_not_expr where applicable.
9352 * tree.h (fold_truth_not_expr): Prototype.
9354 2006-06-16 Richard Guenther <rguenther@suse.de>
9356 PR tree-optimization/27781
9357 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
9358 * ipa-pure-const.c (target.h): Include.
9359 (analyze_function): Do not analyze functions that do not
9362 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
9365 * tree-dfa.c (referenced_vars_dup_list): Remove.
9366 (find_referenced_vars): Remove assert.
9367 (referenced_var_check_and_insert): Replace dup list with assert.
9368 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
9369 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
9371 2006-06-15 Richard Guenther <rguenther@suse.de>
9373 * tree-ssa-structalias.c (alias_get_name): Avoid creating
9374 extra unused identifiers if not dumping.
9375 (create_variable_info_for): Likewise.
9377 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
9379 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
9380 (derive_constant_upper_bound): Derive more precise upper bound in
9381 common cases. Return type changed to double_int.
9382 (record_estimate): Reflect the changed return type of
9383 derive_constant_upper_bound.
9384 * double-int.c (double_int_zext, double_int_sext): Fix.
9386 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
9388 * configure.ac (CFLAGS): Get them from the toplevel or from the
9389 configure invocation.
9390 * configure: Regenerate.
9391 * Makefile.in (CFLAGS): Substitute value provided by configure.
9393 2006-06-14 Mark Mitchell <mark@codesourcery.com>
9396 * c-common.h (c_finish_omp_atomic): Adjust declaration.
9397 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
9398 rather than calling add_stmt on it.
9399 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
9401 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
9404 * reload1.c (reload): Remove registers returned by update_eliminables
9405 from used_spill_regs.
9407 2006-06-13 DJ Delorie <dj@redhat.com>
9409 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
9411 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
9413 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
9414 html__strip_dir, html__mkdir_p. Enhance install-html target.
9415 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
9416 * configure: Regenerate.
9418 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
9420 * fold-const.c (fold_cond_expr_with_comparison): Check for
9421 Objective-C++ as language in deciding COND_EXPR transformation.
9423 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
9426 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
9427 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
9428 * config/sh/lib1funcs.h (SL, SL1): Define.
9429 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
9430 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
9431 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
9432 (OBJS_Os_4_200): New variable.
9433 ($(T)libgcc-Os-4-200.a): Use it.
9434 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
9435 when dividing 1 and/or by 0.
9437 2006-06-13 Roger Sayle <roger@eyesopen.com>
9439 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
9440 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
9441 * configure: Regenerate.
9443 2006-06-13 Jie Zhang <jie.zhang@analog.com>
9445 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
9446 for real instruction.
9448 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9451 * haifa-sched.c (check_cfg): Handle special case.
9453 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
9456 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
9457 Add debug_info parameter. Chain the vars to the BLOCK instead
9458 of the BIND_EXPR if debug info are requested for them.
9459 (pop_gimplify_context): Adjust for above change.
9460 (gimple_add_tmp_var): Likewise.
9461 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
9463 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
9464 (convert_local_reference): Likewise.
9465 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
9466 (finalize_nesting_tree_1): Request that debug info be emitted
9467 for debug_var_chain.
9469 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9471 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
9472 for PR target/27863.
9474 2006-06-13 Richard Guenther <rguenther@suse.de>
9477 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
9479 2006-06-13 Richard Guenther <rguenther@suse.de>
9481 PR tree-optimization/27830
9482 * tree-inline.c (copy_body_r): For copying the operand
9483 of an ADDR_EXPR make sure to fold &* afterwards.
9485 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
9487 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
9488 lvalues in the fb_none case with side-effects.
9490 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
9492 * tree-flow.h: Remove the prototype for
9493 compute_phi_arg_on_exit.
9494 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
9495 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
9498 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
9500 * builtins.c (expand_builtin_return_addr): Only use
9501 frame_pointer_rtx when count == 0 and we are expanding
9502 __builtin_return_address.
9504 2006-06-12 Fred Fish <fnf@specifix.com>
9506 * config/mips/mips.c (mips_file_start): Create special section
9507 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
9509 2006-06-11 Eric Christopher <echristo@apple.com>
9512 * stor-layout.c (place_field): Remove check for
9513 remaining_in_alignment when aligning at the end of a run.
9515 2006-06-11 Eric Christopher <echristo@apple.com>
9518 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
9521 2006-06-11 Roger Sayle <roger@eyesopen.com>
9524 Revert incorrect fix for PR target/27158
9525 2006-05-08 Roger Sayle <roger@eyesopen.com>
9526 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9527 of a reg_equiv_constant if the result is a legitimate constant.
9529 2006-06-11 Roger Sayle <roger@eyesopen.com>
9532 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
9533 extract a CONST_VECTOR element and interpret it as an integer.
9534 (vspltis_constant): Use const_vector_elt_as_int instead of the
9535 macro CONST_VECTOR_ELT in order to handle FP vector modes.
9536 * config/rs6000/predicates.md (easy_vector_const): Consider
9537 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
9539 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
9542 * stor-layout.c (update_alignment_for_field): Don't add extra
9543 alignment for packed non-bitfield fields in ms_bitfield_layout_p
9546 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
9548 * config/mips/t-rtems: Add EL/EB multilib variants.
9550 2006-06-09 Mike Stump <mrs@apple.com>
9552 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
9554 2006-06-09 David Daney <ddaney@avtrex.com>
9556 * doc/install.texi: Add binutils version recommendation for mips-*-*.
9558 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
9560 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
9562 2006-06-09 Richard Guenther <rguenther@suse.de>
9564 PR tree-optimization/26998
9565 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
9566 of signed types, only TYPE_MIN_VALUE is special, but for both,
9567 minimum and maximum value. Likewise VR_ANTI_RANGE is special
9568 in this case, as is -fwrapv.
9570 2006-06-08 Mike Stump <mrs@apple.com>
9573 * config/darwin.c (darwin_asm_output_anchor): Disable
9574 -fsection-anchors on darwin for now.
9575 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
9576 * rs6000/rs6000.c (optimization_options): Likewise.
9578 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9581 * config/i386/i386.c (classify_argument): Skip fields with invalid
9584 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
9586 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
9587 (cse_insn): Likewise for the stack_pointer_rtx.
9589 2006-06-08 Roger Sayle <roger@eyesopen.com>
9591 * tree-ssa-dom.c (record_conditions): Only record "unordered"
9592 conditions from floating point comparisons.
9594 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
9597 * expmed.c (struct alg_hash_entry): Fix type of field T
9598 to match synth_mult argument.
9599 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
9601 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9604 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
9607 2006-06-08 Richard Guenther <rguenther@suse.de>
9610 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
9611 only, if overflow is defined and not trapping.
9612 (negate_expr): Likewise.
9614 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9616 PR tree-optimization/27872
9617 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
9618 flag on the new exit edge of the unrolled loop.
9620 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9622 PR rtl-optimization/26449
9623 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
9625 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
9628 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
9629 referenced_variables with matching DECL_UID's.
9630 (find_referenced_vars): Make sure duplicate list is empty to start.
9631 (referenced_var_p): Remove.
9632 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
9633 Check if var is in the list, and add if needed. Update the duplicate
9634 list if a different var is in the list with the same DECL_UID.
9635 (add_referenced_var): Call routine to check and insert.
9636 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
9637 * tree-flow.h (referenced_vars_dup_list): External declaration.
9639 2006-06-07 Fred Fish <fnf@specifix.com>
9641 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
9644 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
9647 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
9648 the imaginary and real parts of a clobbered register.
9649 Emit insn to set the imaginary part.
9651 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
9653 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
9654 in lieu of unwind-dw2-fde.c.
9656 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
9658 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
9660 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
9663 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
9664 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
9665 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
9666 V4SImode temporaries and operations instead.
9668 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
9670 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
9673 2006-06-06 Mike Stump <mrs@apple.com>
9675 * Makefile.in: Rename to htmldir to build_htmldir to avoid
9676 installing during build.
9678 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9680 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
9682 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9683 * config/ia64/ia64.c (params.h): New header.
9684 (ia64_optimization_options): New function to adjust parameters.
9685 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
9686 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
9687 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
9689 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
9691 * stor-layout.c (debug_rli): Fix a typo in a debug message.
9693 2006-06-05 Steve Ellcey <sje@cup.hp.com>
9696 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
9698 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
9699 Victor Kaplansky <victork@il.ibm.com>
9701 PR tree-optimization/26360
9702 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
9705 2006-06-04 Roger Sayle <roger@eyesopen.com>
9706 Andrew Pinski <pinskia@physics.uc.edu>
9709 * c-common.c (c_common_truthvalue_conversion): Explicitly check
9710 for LABEL_DECL before calling DECL_WEAK.
9713 * c-typeck.c (build_binary_op): Likewise, explicitly check for
9714 LABEL_DECL and PARM_DECL.
9716 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
9720 * c-decl.c (grokdeclarator): Disallow variably modified types at
9721 file scope. Avoid marking shared array type of constant size as
9724 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9727 * c-common.c (fold_offsetof_1): Handle static members.
9729 2006-06-04 Eric Christopher <echristo@apple.com>
9731 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
9732 (debug_rli): Output value for remaining_in_alignment.
9733 (update_alignment_for_field): Unconditionalize
9734 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
9735 extra alignment code.
9736 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
9737 ms_bitfield_layout_p code. Rewrite handling of structure fields.
9738 * tree.h (record_layout_info_s): Remove prev_packed.
9739 * doc/extend.texi (ms_struct): Add documentation of format.
9741 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
9743 * tree.h: Declare folding_initializer.
9744 * builtins.c (fold_builtin_constant_p): Give definite answer
9745 if folding inside an initializer.
9746 * fold-const.c: Define folding_initializer.
9747 (START_FOLD_INIT): Save and then set folding_initializer.
9748 (END_FOLD_INIT): Restore folding_initializer.
9750 2006-06-04 Richard Guenther <rguenther@suse.de>
9752 PR tree-optimization/27039
9753 * fold-const.c (fold_comparison): Handle pointer comparison
9754 again for all comparison codes. Compare offsets in signed
9756 (fold_binary): Move code from here.
9758 2006-06-03 Roger Sayle <roger@eyesopen.com>
9761 * config/i386/i386.c (construct_container): Split static issued_error
9762 flag into issued_sse_arg_error, issued_sse_ret_error and
9763 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
9764 requires the use of x87 registers and the user explicitly
9765 specified the -mno-80387 command line option.
9767 2006-06-02 Geoffrey Keating <geoffk@apple.com>
9769 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
9770 HAVE_DECL_SIGALTSTACK.
9772 (segv_handler): Use MC_FLD.
9773 * configure.ac: Check for a sigaltstack declaration.
9774 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
9775 * configure: Regenerate.
9776 * config.in: Regenerate.
9778 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
9781 * Makefile.in (stmp-fixinc): Fix typo.
9783 2006-06-02 Roger Sayle <roger@eyesopen.com>
9785 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
9786 are type correct. Clean-up.
9787 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
9788 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
9790 2006-06-01 DJ Delorie <dj@redhat.com>
9792 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
9793 shift, as we've disabled the "switch" insn that needs it.
9795 2006-06-01 Per Bothner <bothner@bothner.com>
9797 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
9798 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
9799 * c-ppoutput.c (cb_define): Don't increment line 0.
9801 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
9803 * doc/invoke.texi: Add cpu_type power6.
9804 * config.gcc: Add cpu_type power6.
9805 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
9806 to power5+ with Altivec.
9807 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
9808 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
9810 2006-05-30 Anatoly Sokolov <aesok@post.ru>
9812 * config/avr/avr.h (SET_ASM_OP): Define.
9814 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
9816 * config/bfin/bfin.c: Fix comment typos.
9818 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
9821 * doc/install.texi: Document --enable-bootstrap and
9822 --disable-bootstrap.
9824 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
9826 * doc/install.texi: Document that InfoZIP can replace jar.
9828 2006-05-31 Roger Sayle <roger@eyesopen.com>
9830 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
9831 isn't available, directly generate the simpler x87 patterns without
9832 the (use (const_int 0)).
9833 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
9834 implementation isn't available.
9835 (*negdf2_1): Likewise.
9836 (*negxf2_1): XF mode negation is always done using the x87.
9837 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
9839 2006-05-31 Roger Sayle <roger@eyesopen.com>
9841 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
9842 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
9844 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
9846 2006-05-31 Jie Zhang <jie.zhang@analog.com>
9848 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
9849 * config/bfin/bfin.c (basic-block.h): Include.
9850 (struct machine_function): New.
9851 (bfin_init_machine_status): New.
9852 (override_options): Initialize init_machine_status.
9853 (bfin_hardware_loop): New.
9854 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
9855 (DEF_VEC_P (loop_info)): New.
9856 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
9857 (struct loop_info): New.
9858 (loop_info): New typedef.
9859 (struct loop_work): New.
9860 (loop_work): New typedef.
9861 (DEF_VEC_O (loop_work)): New.
9862 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
9863 (bfin_dump_loops): New.
9864 (bfin_bb_in_loop): New.
9865 (bfin_scan_loop): New.
9866 (bfin_optimize_loop): New.
9867 (bfin_reorg_loops): New.
9868 (bfin_reorg): Use bfin_reorg_loops.
9869 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
9871 (I_REGNO_P): Simplify.
9872 (DP_REGNO_P, DPREG_P): New macros.
9873 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
9874 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
9875 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
9876 Add LT_REGS, LC_REGS, LB_REGS.
9877 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
9879 (REGNO_REG_CLASS): Deal with loop registers.
9880 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
9882 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
9883 New constants for loop registers.
9884 (UNSPEC_LSETUP_END): New.
9885 (seq_insns): New define_attr. Set it for appropriate insns.
9886 (movsi_insn): Add alternatives for move from/to
9887 loop count registers.
9888 (doloop_end): New define_expand.
9889 (loop_end): New define_insn.
9890 (define_split for bad doloop_end): New.
9891 (lsetup_with_autoinit): New define_insn.
9892 (lsetup_without_autoinit): New define_insn.
9893 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
9894 * config/bfin/predicates.md (lc_register_operand): New.
9895 (lt_register_operand): New.
9896 (lb_register_operand): New.
9897 (nondp_register_operand): New.
9898 (nondp_reg_or_memory_operand): New.
9899 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
9901 2006-05-31 Jie Zhang <jie.zhang@analog.com>
9903 * config/bfin/bfin.c (bfin_delegitimize_address): New.
9904 (TARGET_DELEGITIMIZE_ADDRESS): Define.
9906 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
9908 * Makefile.in (CATALOGS): Add po/ prefix.
9909 * configure: Regenerated.
9911 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
9914 * arm.c (arm_print_operand case 'S'): Validate that the operand is
9915 a shift operand before calling shift_op. Avoid redundant call of
9918 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
9919 DJ Delorie <dj@redhat.com>
9921 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
9922 we're inserting is a singlt-bit constant.
9924 2006-05-30 Roger Sayle <roger@eyesopen.com>
9926 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
9927 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
9929 2006-05-30 Roger Sayle <roger@eyesopen.com>
9931 PR tree-optimization/23452
9932 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
9933 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
9934 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
9935 complex values and with -ffast-math for FP complex values.
9937 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
9939 * c-common.h: Remove the prototype for yyparse.
9940 * rtl.h: Remove the prototype for init_loop.
9942 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
9944 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
9947 2006-05-30 Roger Sayle <roger@eyesopen.com>
9949 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
9951 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
9952 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
9954 2006-05-30 Dirk Mueller <dmueller@suse.de>
9957 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
9958 for CONSTANT_CLASS_P expresisons.
9960 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9963 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
9965 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
9967 PR tree-optimization/27779
9968 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
9969 initial_condition instead of CHREC_LEFT.
9971 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
9973 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
9974 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
9975 Make prototypes ISO C90.
9977 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
9978 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9980 * see.c (see_analyze_one_def): Correct check.
9981 (see_get_extension_data): Check if extension is parallel.
9982 (see_get_extension_reg): Likewise.
9984 2006-05-30 Uros Bizjak <uros@kss-loka.si>
9987 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
9988 into register for (code == GTU).
9990 2006-05-29 Roger Sayle <roger@eyesopen.com>
9992 PR tree-optimization/24964
9993 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
9994 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
9995 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
9996 abs(x)*abs(x) as x*x for scalar floating point modes.
9998 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
10000 PR middle-end/27745
10001 * lambda-code.c (perfect_nestify): Don't copy statements
10002 in the inner loop: move them to the inner loop header.
10004 2006-05-29 Diego Novillo <dnovillo@redhat.com>
10007 * c-tree.texi: Document OpenMP directives and clauses.
10009 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
10011 * varasm.c (globalize_decl): Fix indentation.
10013 2006-05-29 Diego Novillo <dnovillo@redhat.com>
10016 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
10017 pass_fre, pass_store_ccp, pass_copy_prop,
10018 pass_store_copy_prop, pass_merge_phi, pass_nrv,
10019 pass_return_slot, pass_object_size, pass_lim,
10020 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
10021 pass_loop_prefetch and pass_stdarg.
10023 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
10025 * config/bfin/bfin.opt (mfdpic): New option.
10026 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
10027 (EXTRA_MULTILIB_PARTS): Likewise.
10028 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
10029 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
10031 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
10032 (CRT_CALL_STATIC_FUNCTION): New.
10033 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
10035 (CRT_CALL_STATIC_FUNCTION): New.
10036 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
10038 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
10039 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
10040 (initialize_trampoline): Changed to handle FD-PIC code generation.
10041 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
10042 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
10043 (override_options): Disallow -mid-shared-library -mfdpic combination.
10044 Can't do unaligned ops if FD-PIC.
10045 Turn off flag_pic if trying to generate non-id-shared-library
10046 non-fdpic code, since it's not supported.
10047 (bfin_assemble_integer): New function.
10048 (TARGET_ASM_INTEGER): Define.
10049 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
10051 * config/bfin/crtn.s: Restore them.
10052 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
10054 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
10055 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
10056 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
10057 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
10058 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
10060 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
10061 FDPIC_REGS and FDPIC_FPTR_REGS.
10062 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
10063 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
10064 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
10065 (load_funcdescsi): New pattern.
10066 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
10067 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
10068 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
10070 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
10072 * gcse.c, rtlanal.c: Remove obsolete comments associated with
10075 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
10077 * tree-flow.h: Remove the prototype for add_type_alias.
10078 * tree-ssa-alias.c (add_type_alias): Remove.
10080 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
10082 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
10083 config/fr30/fr30.md, config/i386/i386-interix.h,
10084 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
10085 config/sh/superh64.h, config/v850/v850.c, df-core.c,
10086 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
10087 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
10088 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
10089 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
10090 Follow spelling conventions.
10091 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
10092 Follow spelling conventions.
10094 2006-05-27 Richard Guenther <rguenther@suse.de>
10096 PR middle-end/27773
10097 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
10098 to produce a constant of value 1 of generic type.
10100 2006-05-27 Dirk Mueller <dmueller@suse.de>
10102 * cgraphunit.c (decide_is_function_needed): Fix wrong
10105 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
10107 PR rtl-optimization/27661
10108 * reload.c (find_reloads): When reloading a VOIDmode constant
10109 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
10110 use Pmode as mode of the reload register.
10112 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
10114 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
10115 is enabled at -O and above.
10117 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
10120 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
10123 2006-05-25 Mark Mitchell <mark@codesourcery.com>
10126 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
10127 for anonymous variables explicitly declared by front ends.
10129 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
10131 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
10132 (struct alias_info): Add new field ref_all_symbol_mem_tag.
10133 * tree-ssa-alias.c (compute_may_aliases): If the program contains
10134 ref-all pointers, run a finalization pass for them.
10135 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
10136 (finalize_ref_all_pointers): New function.
10137 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
10138 regular pointer type to a ref-all pointer type.
10139 (get_tmt_for): Return the special memory tag for ref-all pointers.
10141 2006-05-25 Richard Guenther <rguenther@suse.de>
10143 PR middle-end/27743
10144 * fold-const.c (fold_binary): Do not look at the stripped
10145 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
10147 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
10149 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
10150 for LT and GT if the computed range is effectively empty.
10152 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10155 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
10156 mips_quad_format formats instead of ieee_single_format,
10157 ieee_double_format and ieee_quad_format formats, respectively.
10159 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
10161 PR tree-optimization/27639
10162 PR tree-optimization/26719
10163 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
10164 call to scev_probably_wraps_p.
10165 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
10166 used_in_pointer_arithmetic_p, convert_step): Removed.
10167 (nowrap_type_p): New function.
10168 (scev_probably_wraps_p): Rewritten.
10169 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
10170 chrec_convert if chrec_convert_aggressive might have been used.
10171 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
10172 scev_direction): New functions.
10173 (chrec_convert): Changed to a wrapper over chrec_convert_1.
10174 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
10175 instead of convert_step.
10176 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
10177 (convert_step): Declaration removed.
10178 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
10180 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
10182 * df-core.c: Added to header comments.
10183 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
10184 df_ur_bb_info, df_urec_bb_info): Added comments.
10185 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
10186 urec, ri problems): Fixed header comments.
10187 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
10188 code from df_rd_transfer_function.
10190 2006-05-23 Richard Sandiford <richard@codesourcery.com>
10192 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
10193 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
10194 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
10196 2006-05-23 Joseph Myers <joseph@codesourcery.com>
10198 * expr.c (undefined_operand_subword_p): New.
10199 (emit_move_multi_word): Do not generate move from undefined bits
10200 of a paradoxical subreg.
10202 2006-05-23 Richard Sandiford <richard@codesourcery.com>
10204 PR rtl-optimization/27736
10205 * combine.c (replaced_rhs_value): New variable.
10206 (combine_instructions): Set it.
10207 (distribute_notes): When distributing a note in replaced_rhs_insn,
10208 check whether the value was used in replaced_rhs_value.
10210 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
10213 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
10214 add_referenced_var instead of add_referenced_tmp_var.
10215 * tree-complex.c (create_one_component_var): Use add_referenced_var.
10216 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
10217 add_referenced_var.
10218 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
10219 tree_optimize_tail_calls_1): Use add_referenced_var.
10220 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
10221 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
10222 Use add_referenced_var.
10223 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
10224 * gimplify.c (force_gimple_operand): Use add_referenced_var.
10225 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
10226 Use add_referenced_var.
10227 * tree-dfa.c (struct walk_state): Remove.
10228 (find_referenced_vars): Remove walk state and vars_found hash table.
10229 (make_rename_temp): Use add_referenced_var.
10230 (find_vars_r): Pass less parameters to add_referenced_var.
10231 (referenced_var_p): New. Is var in referenced_var hash table.
10232 (referenced_var_insert): Assert var isn't already in hash table.
10233 (add_referenced_var): Don't need walk_state parameter. Add var if it
10234 isn't already in the hash table.
10235 (add_referenced_tmp_var): Remove.
10236 (find_new_referenced_vars_1): Use add_referenced_var.
10237 * tree-ssa-pre.c (create_expression_by_pieces,
10238 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
10239 Use add_referenced_var.
10240 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
10241 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
10242 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
10243 add_referenced_var.
10244 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
10245 vect_create_data_ref_ptr, vect_create_destination_var,
10246 vect_init_vector, vect_build_loop_niters,
10247 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
10248 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
10249 Use add_referenced_var.
10250 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
10251 * tree-flow.h (add_referenced_tmp_var): Remove prototype
10252 (add_referenced_var): Add prototype.
10253 * tree-ssa-structalias.c (get_constraint_for,
10254 intra_create_variable_infos): Use add_referenced_var.
10256 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
10258 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
10259 big-endian paradoxical subregs.
10260 * var-tracking.c (struct micro_operation_def): Document that,
10261 for modify micro operations, insn is the subsequent instruction.
10262 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
10263 (var_reg_set, var_mem_set): ... new functions.
10264 (add_stores): Record subsequent insn.
10265 (compute_bb_dataflow): Use new functions for MO_USE.
10266 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
10267 notes after the insn, and modify notes before the insn known
10268 to be the subsequent one.
10269 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
10271 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
10274 * config/i386/i386.c (ix86_expand_builtin): Use
10275 gen_sse3_monitor64 for TARGET_64BIT.
10277 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
10279 PR rtl-optimization/26375
10280 PR rtl-optimization/26855
10281 * df-problems (df_ru_bb_local_compute_process_def): Removed update
10283 (df_ru_bb_local_compute): Reversed statements and removed bogus
10284 comment explaining why they should be in wrong order.
10285 (df_ru_dump, df_rd_dump): Enhanced debug info.
10286 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
10288 * ddg.c (add_deps_for_def): Converted use of reaching defs to
10289 reaching uses and fixed space problem.
10291 2006-05-23 Jan Hubicka <jh@suse.cz>
10293 * cgraphunit.c (decide_is_function_needed): Also nested functions
10294 and functions declared inline can be optimized out at -O0.
10296 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
10298 * doc/install.texi (Configuration): Remove reference to CrossGCC
10299 FAQ which was gone.
10302 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10305 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
10306 ix86_compare_emitted is non-NULL.
10308 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10311 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
10314 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10316 PR rtl-optimization/25514
10317 * combine.c (replaced_rhs_insn): New variable.
10318 (combine_instructions): Set replaced_rhs_insn when trying to replace
10319 a SET_SRC with a REG_EQUAL note.
10320 (distribute_notes): Use replaced_rhs_insn when determining the live
10321 range of a REG_DEAD register.
10323 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
10324 Anatoly Sokolov <aesok@post.ru>
10326 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
10327 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
10328 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
10329 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
10330 atmega3290, atmega649, atmega6490, atmega406, atmega640,
10331 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
10332 at90usb647, at90usb1286 and at90usb1287 devices.
10333 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10334 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10336 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10338 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
10340 2006-05-22 Richard Guenther <rguenther@suse.de>
10343 2006-01-31 Richard Guenther <rguenther@suse.de>
10344 Paolo Bonzini <bonzini@gnu.org>
10346 * doc/install.texi (--disable-libgcc-math): Document.
10348 2006-05-22 Richard Guenther <rguenther@suse.de>
10351 2006-01-31 Richard Guenther <rguenther@suse.de>
10353 * doc/invoke.texi (-msselibm): Document.
10354 * target.h (expand_library_builtin): New target hook.
10355 * builtins.c (expand_builtin): Use expand_library_builtin.
10356 (default_expand_library_builtin): New function.
10357 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10358 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10359 (link_gcc_math_spec): Declare.
10360 (static_specs): Add link_gcc_math_spec.
10361 * expr.h (default_expand_library_builtin): Declare.
10362 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10363 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10364 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10365 * config/i386/i386.opt (msselibm): New target option.
10366 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10367 (ix86_init_sse_abi_builtins): New function.
10368 (ix86_expand_library_builtin): Likewise.
10369 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10370 (override_options): Handle error conditions wrt -msselibm.
10371 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10372 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10373 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10376 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10379 * c-common.c (self_promoting_args_p): Skip erroneous args.
10382 * c-decl.c (finish_struct): Skip erroneous fields.
10384 2006-05-22 Nick Clifton <nickc@redhat.com>
10386 * config/cris/cris.opt (march): Remove VarExists attribute.
10387 (max-stackframe=): Likewise.
10389 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10391 * doc/rtl.texi: Fix a typo.
10392 * see.c: Fix comment typos.
10394 * tree-ssa-structalias.h (alias_info): Remove num_references.
10396 2006-05-21 Mike Stump <mrs@apple.com>
10398 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
10400 (darwin_pragma_options): Use BAD instead.
10401 (darwin_pragma_unused): Likewise.
10402 (darwin_pragma_ms_struct): Likewise.
10404 2006-05-21 David Edelsohn <edelsohn@gnu.org>
10406 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
10408 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
10410 PR rtl-optimization/27671
10411 * simplify-rtx.c (simplify_relational_operation_1): Fix
10412 simplifications of (eq/ne (xor x y) y) and
10413 (eq/ne (xor x y) x).
10415 PR tree-optimization/26622.
10416 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
10419 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10421 * tree-cfg.c: Prune whitespace.
10422 (debug_tree_cfg): Point to correct header containing the
10425 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10427 PR middle-end/25776
10428 * cgraphunit.c (verify_cgraph_node): Typo in error message.
10430 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
10432 PR middle-end/25776
10433 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
10434 or sorry count is non zero.
10436 2006-05-20 Andreas Schwab <schwab@suse.de>
10438 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
10440 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
10441 Kenneth Zadeck <zadeck@naturalbridge.com>
10443 PR rtl-optimization/26855
10445 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
10447 (df_scan_alloc): Added code to properly handle multiword hard
10448 registers and add all_blocks parameter.
10449 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
10450 code to properly handle multiword hard registers.
10451 (df_rescan_blocks): Added code to remove deleted blocks from
10453 (df_ref_create_structure, df_ref_record): Added code to properly
10455 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
10456 and set DF_REF_PARTIAL.
10457 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
10458 (df_uses_record): Added DF_REF_PARTIAL for subreg.
10459 (df_scan_add_problem): Added flags parameter.
10460 (df_ref_create_structure): Changed switching structure.
10461 (df_bb_refs_record): Fixed case where duplicate artificial refs
10462 were created. Changed location of flags.
10463 (df_record_entry_block_defs): Added code to make stack pointer
10464 live in entry block. Refined cases where frame pointer is needed.
10465 Changed location of flags.
10466 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
10467 (df_set_state): Removed function.
10468 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
10469 df_insn_create_insn_record, df_insn_refs_delete,
10470 df_ref_create_structure): Formatting changes.
10471 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
10472 df_delete_basic_block): New function.
10473 (df_init): Changed location of flags.
10474 (df_add_problem): Added flags parameter and the way flags are
10476 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
10477 debug_df_chain): Improved debugging output.
10478 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
10479 (df_refs_chain_dump): Removed df parameter.
10480 (df_iterative_dataflow): Added consistency check.
10481 (df_prune_to_subcfg): Made public.
10482 (df_analyze_problem): Added blocks_to_init parameter and made
10484 (df_ref_record, df_bb_refs_record, df_mark_reg,
10485 df_record_exit_block_uses): Whitespace changes.
10486 (df_dump): Whitespace changes.
10487 * df.h: Some reordering to remove forward references.
10488 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
10489 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
10490 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
10491 (dataflow.flags): New field.
10492 (df.flag): Deleted field.
10493 (df_alloc_function): Added additional bitmap parameter.
10494 (df_dependent_problem_function): New type.
10495 (df_problem.changeable_flags): New field.
10496 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
10497 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
10498 (df_mw_hardreg): New struct.
10499 (DF_INSN_UID_MWS): New macro.
10500 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
10502 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
10503 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
10504 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
10505 (df_set_state): Removed function.
10506 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
10507 * df-problems.c (df_chain_dump): Removed df parameter.
10508 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
10509 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
10511 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
10512 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
10513 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
10514 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
10515 DF_REF_MUST_CLOBBER cases.
10516 (df_ru_bb_local_compute_process_def,
10517 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
10518 df_lr_bb_local_compute, df_ur_bb_local_compute,
10519 df_chain_create_bb): Made subreg aware.
10520 (df_ru_bb_local_compute, df_rd_bb_local_compute,
10521 df_lr_bb_local_compute, df_lr_bb_local_compute,
10522 df_chain_create_bb): Cleanup to use proper macros.
10523 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
10524 code to fixup bitvectors.
10525 (df_ri_alloc): Cleared lifetime.
10526 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
10527 df_create_unused_note): New function.
10528 (df_ri_bb_compute, df_ri_compute): Added code to create/update
10529 REG_DEAD and REG_UNUSED notes as well as register information.
10530 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
10531 df_chains_dump): Fixed crash if problem was never run.
10532 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
10533 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
10534 df_ri_add_problem): Processes flags in uniform manner.
10535 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
10536 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
10537 df_rd_dump, df_urec_free_bb_info): Formatting changes.
10538 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
10539 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
10540 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
10541 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
10542 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
10543 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
10544 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
10545 * see.c (see_initialize_data): Ditto.
10546 * final.c (rest_of_clean_state) Added regstack_completed.
10547 * rtl.h (regstack_completed): Ditto.
10548 * reg-stack.c (regstack_completed): Ditto.
10550 2006-05-19 Mike Stump <mrs@apple.com>
10552 * c-tree.h (default_conversion): Remove.
10553 * c-common.h (default_conversion): Add.
10555 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
10557 * tree-vrp.c (valid_value_p): New function.
10558 (adjust_range_with_scev): Fail if the value of bound is not
10561 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10563 * config/mips/linux-unwind.h: Include <asm/unistd.h>
10564 (mips_fallback_frame_state): Use syscall numbers to determine
10565 the appropriate li instruction for the current ABI. Only use
10566 __NR_sigreturn for o32.
10568 2006-05-19 Nicolas Setton <setton@adacore.com>
10570 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
10571 * langhooks.c (lhd_dwarf_name): New function.
10572 * langhooks-def.h (lhd_dwarf_name): Declare.
10573 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
10574 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
10576 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10578 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
10580 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
10581 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
10582 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
10583 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
10584 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
10585 determine the size of Wtype, etc.
10586 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
10587 (swfloatfuncs): New variable.
10588 (dwfloatfuncs): Likewise.
10589 (lib2funcs): Remove floating-point conversion functions from
10590 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
10591 the set of conversion routines needed. Allow entries to specify
10592 an object name, filename and word size. Update users accordingly.
10593 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
10594 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
10598 2006-02-08 Roger Sayle <roger@eyesopen.com>
10601 * config/fixtfdi.c: New libgcc source file.
10602 * config/fixunstfdi.c: New source file.
10603 * config/floatditf.c: New source file.
10604 * config/floatunditf.c: New souce file.
10605 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10606 files above instead of config/mips/_tilib.c.
10607 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10609 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10611 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
10612 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
10614 2006-05-18 Mike Stump <mrs@apple.com>
10616 Fix up vla, vm and [*] sematics.
10622 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
10623 (c_vla_unspec_p): Add.
10624 (c_vla_type_p): Add.
10625 * c-decl.c (struct c_scope): Add had_vla_unspec.
10626 (build_array_declarator): Add support for [*].
10627 (grokdeclarator): Likewise.
10628 (grokparms): Likewise.
10629 (get_parm_info): Likewise.
10630 * c-objc-common.c (c_vla_unspec_p): Likewise.
10631 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
10632 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
10633 typeof when argument is a variably modified type not inside sizeof or alignof.
10634 (c_parser_direct_declarator_inner): Propagate errors.
10635 (c_parser_sizeof_expression): Add support for [*].
10636 (c_parser_parms_declarator): Initialize had_vla_unspec.
10637 (c_parser_parms_list_declarator): Likewise.
10638 * c-typeck.c (c_vla_type_p): Add.
10639 (composite_type): Add support for vla compositing.
10640 (comptypes_internal): Add support for vla compatibility.
10641 (c_expr_sizeof_expr): Evaluate vla arguments.
10642 * tree.c (variably_modified_type_p): Update comment for [*].
10644 2006-05-18 Michael Matz <matz@suse.de>
10647 * config.host: Make assignments to host_xmake_file cumulative.
10648 * config.host (*-darwin*): Test $host, not $target.
10650 2006-05-12 Stuart Hastings <stuart@apple.com>
10652 * config/i386/i386.opt (-mstackrealign): New flag.
10653 * config/i386/i386.c (force_align_arg_pointer): New attribute.
10654 (ix86_handle_cconv_attribute): Emit error when
10655 force_align_arg_pointer attribute collides with too many regparms.
10656 (ix86_function_regparm): Limit regparms when used with
10657 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
10658 Support stack-realigning prologue in non-main functions. Emit
10659 warning for nested functions under -mstackrealign, emit error for
10660 nested functions with force_align_arg_pointer attribute.
10661 * doc/extend.texi (force_align_arg_pointer): Document it.
10662 * doc/invoke.texi (-mstackrealign): Document it.
10664 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
10666 PR rtl-optimization/27477
10667 * combine.c (try_combine): Don't split a parallel consisting
10668 of two sets into two individual sets if both sets reference
10671 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
10673 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
10674 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
10676 * doc/options.texi (VarExists): Updated.
10678 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10680 * unwind-dw2.c: Add declarations for uw_update_context and
10681 uw_frame_state_for.
10682 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
10683 detected, advance frame state and context once to skip over stub.
10685 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10687 PR middle-end/20256
10688 PR middle-end/26435
10689 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
10690 Call rewrite_into_loop_closed_ssa only when something changed.
10691 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
10692 * lambda-code.c (can_convert_to_perfect_nest): Declared.
10693 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
10694 Test for perfect_nest_p here. Fix formating.
10695 (replace_uses_equiv_to_x_with_y): Fix formating.
10696 (stmt_uses_op): Removed.
10697 (can_convert_to_perfect_nest): Removed loopivs parameter.
10698 Complete the test by checking the scalar dependences.
10699 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
10702 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10705 From Dan Kegel <dank@kegel.com>:
10706 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
10708 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
10710 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
10711 if the element type is variably modified without recursing.
10713 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10715 PR middle-end/27332
10716 * tree-loop-linear.c (try_interchange_loops): Test for
10717 no data dependences.
10719 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
10721 PR tree-optimization/27548
10722 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
10723 range of ssa names that appear on abnormal edges.
10724 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
10725 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
10727 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10729 PR middle-end/27620
10730 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
10732 2006-05-17 Jakub Jelinek <jakub@redhat.com>
10734 PR middle-end/27415
10735 * tree.h (OMP_PARALLEL_COMBINED): Define.
10736 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
10737 (new_omp_context): Add is_combined_parallel argument.
10738 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
10739 new_omp_context caller.
10740 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
10741 Adjust gimplify_scan_omp_clauses callers.
10742 (omp_is_private): Issue errors if iteration variable is firstprivate
10743 or reduction in the current context.
10744 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
10745 on combined parallel workshare constructs.
10747 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10749 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
10750 (gcc-options.o): New rule.
10752 * optc-gen.awk: Protect variables for gcc-options.o with
10753 #ifdef GCC_DRIVER/#endif.
10755 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
10757 Fix PR tree-optimization/27373
10758 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
10759 (forward_propagate_addr_expr): Update call.
10761 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10763 * doc/options.texi: Move the Negative option.
10765 2006-05-16 Richard Guenther <rguenther@suse.de>
10767 PR tree-optimization/22303
10768 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
10770 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
10771 ccp_fold did not simplify the statement.
10773 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10776 * Makefile.in (GCC_OBJS): New.
10777 (OBJS-common): Add opts-common.o.
10778 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
10779 (cpp$(exeext)): Likewise.
10780 (gcc.o): Also depend on opts.h.
10781 (opts-common.o): New.
10783 * common.opt (gcoff): Add Negative(gdwarf-2).
10784 (gdwarf-2): Add Negative(gstabs).
10785 (gstabs): Add Negative(gstabs+).
10786 (gstabs+): Add Negative(gvms).
10787 (gvms): Add Negative(gxcoff).
10788 (gxcoff): Add Negative(gxcoff+).
10789 (gxcoff+): Add Negative(gcoff).
10790 * config/i386/i386.opt (m32): Add Negative(m64).
10791 (m64): Add Negative(m32).
10793 * doc/options.texi: Document the Negative option.
10795 * gcc.c: Include "opts.h".
10796 (main): Call prune_options after expandargv.
10798 * optc-gen.awk: Generate common declarations for all flag
10799 variables in options.c. Output the neg_index field.
10801 * opts.c (find_opt): Moved to ...
10802 * opts-common.c: Here. New file.
10804 * opts.h (cl_option): Add a neg_index field.
10806 (prune_options): Likewise.
10808 2006-05-16 Jakub Jelinek <jakub@redhat.com>
10810 PR middle-end/27573
10811 * omp-low.c (expand_omp_parallel): Don't assert
10812 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
10813 instead search for it.
10816 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
10819 2006-05-16 Andreas Schwab <schwab@suse.de>
10821 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
10824 2006-05-15 Roger Sayle <roger@eyesopen.com>
10827 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
10828 integer constants other than zero are only legitimate on TARGET_64BIT.
10829 <CONST_VECTOR> Only zero vectors are legitimate.
10830 (ix86_cannot_force_const_mem): Integral and vector constants can
10831 always be put in the constant pool.
10833 2006-05-16 DJ Delorie <dj@redhat.com>
10835 * crtstuff.c (__dso_handle): Set section from
10836 TARGET_LBIGCC_SDATA_SECTION if defined.
10837 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
10838 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
10840 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
10843 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
10846 2006-05-16 Ben Elliston <bje@au.ibm.com>
10848 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
10850 2006-05-15 Per Bothner <per@bothner.com>
10852 * tree.c: (last_annotated_node): Use source_locus typedef.
10853 This permits bootstrapping with --enable-mapped-location.
10855 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
10857 PR tree-optimization/26830
10858 * tree-into-ssa.c (struct ssa_name_info): Add age field.
10859 (info_for_ssa_name, current_info_for_ssa_name_age,
10860 blocks_to_update): New variables.
10861 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
10862 (clear_ssa_name_info, initialize_flags_in_bb,
10863 mark_block_for_update): New functions.
10864 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
10865 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
10866 prepare_def_site_for): Use mark_block_for_update.
10867 (mark_def_interesting): Assert that the processed block is marked in
10868 blocks_to_update. Do not take blocks argument.
10869 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
10871 (rewrite_update_init_block, rewrite_update_stmt): Only process
10872 blocks with statements to rewrite.
10873 (delete_update_ssa): Do not clear SSA_NAME_AUX.
10874 (update_ssa): Initialize and free blocks_to_update. Do not
10875 clear flags on statements. Do not use blocks bitmap.
10876 * tree.h (SSA_NAME_AUX): Removed.
10877 (struct tree_ssa_name): Removed aux field.
10878 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
10880 2006-05-15 Richard Guenther <rguenther@suse.de>
10882 PR tree-optimization/27603
10883 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
10884 Do computations in original type.
10886 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
10888 * see.c: Code style changes such as redundant paranthesis,
10889 redundant intialization of local variables etc.
10890 (see_main): Declared now as static.
10891 * doc/invoke.texi: Update that -fsee is not enabled by
10894 2006-05-15 Jakub Jelinek <jakub@redhat.com>
10896 * omp-low.c (check_omp_nesting_restrictions): New function.
10897 (scan_omp_1): Call it.
10899 PR middle-end/27416
10900 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
10901 construct, return *VAR.
10903 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
10905 PR rtl-optimization/27406
10906 * bt-load.c (migrate_btr_def): Skip the block having abnormal
10909 2006-05-14 Roger Sayle <roger@eyesopen.com>
10911 PR rtl-optimization/27538
10912 * combine.c (expand_compound_operation): Call gen_lowpart
10913 before calling simplify_shift_const.
10915 2006-05-14 Roger Sayle <roger@eyesopen.com>
10917 PR rtl-optimization/22563
10918 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
10919 a fixed width bitfield, always force the intermediates into psuedos.
10921 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
10924 * mkconfig.sh: Use operator = instead of == for test.
10926 2006-05-13 Nick Clifton <nickc@redhat.com>
10928 * dwarf2out.c (dbx_reg_number): Check return value from
10929 LEAF_REG_REMAP and only use it if it is valid.
10930 (multiple_reg_loc_descriptor): Likewise.
10932 2006-05-13 Richard Guenther <rguenther@suse.de>
10934 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
10937 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
10939 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
10940 information attached to non-INSNs such as NOTEs.
10941 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
10943 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
10945 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
10947 * config/s390/s390.md: Adjust comment describing On constraint.
10949 2006-05-11 Jan Hubicka <jh@suse.cz>
10951 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
10952 to be output at -O0.
10954 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10956 PR middle-end/27384
10957 * fold-const.c (size_binop): Move sanity check for arguments to
10958 the beginning of the function.
10960 PR middle-end/27488
10961 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
10964 2006-05-11 Richard Guenther <rguenther@suse.de>
10966 PR middle-end/27529
10967 * fold-const.c (fold_unary): Handle intermediate conversion
10968 to a pointer type like intermediate conversion to an integer
10969 type in folding of (T1)(T2)var to var.
10970 Match the code to the comment in the final conversion for
10971 (T1)(T2)var to (T1)var regarding to type precision. Rather
10972 than disallow T1 being of pointer type, assert that both T1
10973 and var are of pointer type or not. Make sure not to fall
10974 over the frontends lazyness wrt array to pointer decay though.
10976 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
10978 * arm.c (arm_struct_value_rtx): Delete.
10979 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
10980 (arm_init_cumulative_args): Always initialize nregs to zero.
10982 2006-05-10 Richard Guenther <rguenther@suse.de>
10984 PR tree-optimization/27532
10985 * tree-object-size.c (plus_expr_object_size): Fix typo.
10987 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
10990 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
10991 ashrdi_const, ashrdi3): Use a scratch register.
10993 2006-05-10 Richard Guenther <rguenther@suse.de>
10995 PR tree-optimization/27302
10996 * fold-const.c (operand_equal_p): For two comparisons,
10997 try comparison of one comparison code swapped if that yields
11000 2006-05-10 Ben Elliston <bje@au.ibm.com>
11002 * tree-pretty-print.c (pretty_print_string): No need to handle
11003 '\0' as a special character.
11005 * tree.h: Include "hashtab.h".
11006 (iterative_hash_expr): Use hashval_t in its prototype.
11007 * Makefile.in (TREE_H): Add $(HASHTAB_H).
11009 2006-05-09 Steve Ellcey <sje@cup.hp.com>
11012 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
11013 (hppa*64*-*-hpux11*): Ditto.
11014 (hppa[12]*-*-hpux11*): Ditto.
11016 2006-05-09 David Edelsohn <edelsohn@gnu.org>
11019 * config/rs6000/aix41.h (TARGET_64BIT): Define.
11021 2006-05-09 Michael Matz <matz@suse.de>
11023 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
11024 host_extra_gcc_objs and host_xmake_file.
11025 (<*-*-linux*>): Don't overwrite host_xmake_file.
11026 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
11027 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
11028 (host_detect_local_cpu): Declare.
11029 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
11030 * config/i386/i386.c (override_options): Handle -mtune=native
11032 * config/i386/x-i386: New file.
11033 * config/i386/driver-i386.c: New file.
11034 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
11037 2006-05-09 Dirk Mueller <dmueller@suse.de>
11038 Richard Guenther <rguenther@suse.de>
11040 PR middle-end/27498
11041 * fold-const.c (fold_read_from_constant_string): Relax check
11042 for matching types to matching modes.
11044 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
11046 PR rtl-optimization/27335
11047 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
11050 2006-05-08 Chao-ying Fu <fu@mips.com>
11051 Richard Sandiford <richard@codesourcery.com>
11053 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
11054 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
11055 * config/mips/mips.md (UNSPEC_SCC): New constant.
11056 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
11057 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
11058 (mips_emit_compare): Use it.
11059 (mips_expand_vcondv2sf): New function.
11061 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
11063 Fix PR tree-optimization/27093
11064 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
11065 renaming when they become not-used_alone.
11067 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11069 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
11070 relocation and relocation stubs.
11072 2006-05-08 Eric Christopher <echristo@apple.com>
11074 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
11077 2006-05-08 Jan Hubicka <jh@suse.cz>
11079 PR middle-end/24561
11080 * cgraphunit.c (decide_is_function_needed): When not optimizing even
11081 unused static functions are needed.
11083 2006-05-08 Roger Sayle <roger@eyesopen.com>
11086 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
11087 of a reg_equiv_constant if the result is a legitimate constant.
11089 2006-05-08 Uros Bizjak <uros@kss-loka.si>
11092 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
11093 standard 80387 constants, raise the cost to prevent
11094 compress_float_constant() to generate load from memory.
11096 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
11098 * config/arm/constraints.md (c): Fix a typo.
11100 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
11103 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
11106 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
11108 (_mm_mwait): Likewise.
11110 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
11112 (sse3_monitor): Make it 32bit only.
11113 (sse3_monitor64): New. 64bit monitor.
11115 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11118 * config/i386/i386.c (classify_argument): Skip fields with invalid
11121 2006-05-07 Richard Guenther <rguenther@suse.de>
11123 PR tree-optimization/27409
11124 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11125 Do not try to find zero-sized subvars.
11127 2006-05-07 Richard Guenther <rguenther@suse.de>
11129 PR tree-optimization/27136
11130 * tree-ssa-loop-niter.c (get_val_for): Correct function
11131 comment, assert requirements.
11132 (loop_niter_by_eval): Stop processing if the iterated
11133 value did not simplify.
11135 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
11137 * opts.c (flag_see): remove its setting at -O3.
11139 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
11141 * genpeep.c (main): Make insn-peep.c depend on flags.h.
11142 * arm/constraints.md: New file.
11143 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
11144 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
11145 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
11146 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
11147 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
11148 (EXTRA_MEMORY_CONSTRAINT): Likewise.
11149 * arm.md: Include constraints.md.
11150 (thumb_movsi_insn): Use satisfies_constraint_J.
11151 (movhi, movqi): Use satisfies_constraint_I.
11153 2006-04-29 Anatoly Sokolov <aesok@post.ru>
11155 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
11156 for atmeg a645 device.
11158 2006-05-06 Richard Guenther <rguenther@suse.de>
11160 PR tree-optimization/27151
11161 * tree-vect-transform.c (vectorizable_condition): Punt on
11162 values that have a different type than the condition.
11164 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
11167 * c-parser.c (c_parser_cast_expression): Only insert casts into
11168 hash table if pointer.
11169 * function.c (used_types_insert_helper): Rename from
11171 (used_types_insert): Call used_types_insert_helper.
11172 * function.h (used_types_insert): Accept only one argument.
11174 2006-05-05 David Edelsohn <edesohn@gnu.org>
11176 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
11177 scratch with output modifier.
11179 2006-05-04 David Edelsohn <edelsohn@gnu.org>
11182 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
11183 with output modifier.
11185 2006-05-04 Richard Sandiford <richard@codesourcery.com>
11188 * config/mips/mips.c (mips_symbolic_address_p): Return true
11189 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
11190 SYMBOL_GOTTPREL, and SYMBOL_TLS.
11192 2006-05-04 Richard Guenther <rguenther@suse.de>
11194 PR tree-optimization/14287
11195 PR tree-optimization/14844
11196 PR tree-optimization/19792
11197 PR tree-optimization/21608
11198 PR tree-optimization/27090
11199 * tree-ssa-pre.c (try_combine_conversion): New function.
11200 (compute_avail): After constructing the value-handle
11201 expression, use try_combine_conversion to combine NOP_EXPRs
11202 with previous value-handle expressions and use the result if it
11205 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
11207 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
11209 2006-05-04 Jan Hubicka <jh@suse.cz>
11211 PR middle-end/25962
11212 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
11214 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
11216 * config/bfin/predicates.md (const01_rtx): Tell generator programs
11217 that this only matches CONST_INTs. All users changed to VOIDmode
11220 * config/bfin/bfin.c: Include "optabs.h".
11221 (bfin_rtx_costs): Some costs for vector operations, to allow combine
11223 (enum bfin_builtins): Add a number of fractional and vector builtins.
11224 (bfin_init_builtins): Likewise.
11225 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
11226 (safe_vector_operand, bfin_expand_binop_builtin,
11227 bfin_expand_unop_builtin): New functions.
11228 (bfin_expand_builtin): Handle the new builtins.
11229 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
11232 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
11235 * Makefile.in (OBJS-common): Add see.o.
11236 (see.o): Add dependencies.
11237 * common.opt (fsee): New flag for the see optimization was added.
11238 * opts.c (flag_see): Initialized.
11239 * passes.c (init_optimization_passes, pass_see): New pass.
11240 * rtl.h (see_main): Declaration as extern.
11241 * timevar.def (TV_SEE): New.
11242 * tree-pass.h (pass_see): Declaration as extern.
11243 * invoke.texi (-fsee): Document.
11244 * recog.c (validate_simplify_insn): New function.
11245 * recog.h (validate_simplify_insn): Declaration as extern.
11246 * df-problems.c (df_chain_dump): Check for NULL.
11248 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
11249 Daniel Berlin <dberlin@dberlin.org>
11251 * cfgrtl.c (insert_insn_bb_end_new): New function.
11252 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
11254 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11256 * df.h (struct web_entry): Moved from web.c.
11257 (union_defs): Declaration as extern.
11258 (unionfind_root): Likewise.
11259 (unionfind_union): Likewise.
11260 * web.c (struct web_entry): Moved to df.h.
11261 (unionfind_root): Remove static declaration.
11262 (unionfind_union): Likewise.
11263 (union_defs): Likewise and generalize to use callback function.
11264 (web_main): Update arguments for union_defs function call.
11266 2006-05-04 Richard Guenther <rguenther@suse.de>
11268 PR tree-optimization/26447
11269 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
11270 produce SSA_NAME copies before the store stmt to avoid
11271 breaking exception handling.
11273 2006-05-04 Jakub Jelinek <jakub@redhat.com>
11275 PR middle-end/27388
11276 * gimplify.c (omp_is_private): If var is shared in some outer context,
11277 return false instead of true. Stop searching on parallel context
11280 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
11283 * coverage.c: Use get_gcov_unsigned_t() instead of
11284 unsigned_type_node all over.
11286 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
11288 PR tree-optimization/27381
11289 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
11290 maintain the same immediate_use links.
11291 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
11292 node rather than segfaulting.
11294 2006-05-03 Jakub Jelinek <jakub@redhat.com>
11297 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
11298 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
11299 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
11301 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
11303 Fix PR tree-optimization/26626
11304 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
11306 * tree-ssa-operands.c (access_can_touch_variable): Allow
11307 typecasting through union pointers.
11309 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11312 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
11313 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
11314 to find if var will be a global variable even in the nested context.
11315 (omp_copy_decl): Only check for global variable at the end, it might
11316 be overridden in outer contexts.
11317 (scan_sharing_clauses): For global variables don't create a field.
11318 (lower_rec_input_clauses): Do nothing for global shared variables.
11319 Emit a barrier at the end of ILIST if there were any decls in both
11320 firstprivate and lastprivate clauses.
11321 (lower_send_clauses): Do nothing for global variables except for
11324 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
11326 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
11327 of the correct signedness is returned.
11329 2006-05-02 Jeff Law <law@redhat.com>
11331 PR tree-optimization/27364
11332 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
11333 multiply expressions.
11335 2006-05-02 Tom Tromey <tromey@redhat.com>
11337 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
11339 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
11342 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
11343 -mthumb -fPIC are used.
11345 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
11346 Joshua Kinard <kumba@gentoo.org>
11349 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
11350 with 64-bit pointers.
11352 2006-05-02 Paul Brook <paul@codesourcery.com>
11354 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
11356 (create_fix_barrier): Check that a suitable barrier location is
11358 (arm_reorg): Include ftmp->address in allowable range of addresses.
11360 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
11363 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
11366 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11368 PR middle-end/27337
11369 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
11370 around RESULT_DECL for result passed by reference.
11371 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
11372 * omp-low.c (use_pointer_for_field): Don't look at
11373 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
11374 (scan_omp_1): Call remap_decl on RESULT_DECLs.
11375 (lower_rec_input_clauses): Don't allocate VLA memory for the second
11376 time or var for passing by reference for
11377 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
11378 TREE_ADDRESSABLE variables when passing by reference.
11380 * omp-low.c (dump_omp_region): Fix output formatting.
11382 PR middle-end/27328
11383 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
11384 (expand_omp_parallel): Likewise.
11385 * tree-cfg.c (move_sese_region_to_fn): Likewise.
11387 PR middle-end/27325
11388 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
11389 on statement list containing also constructors and destructors.
11390 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
11392 PR middle-end/27310
11393 * except.c (duplicate_eh_regions): Fix clearing of
11394 cfun->eh->region_array entries.
11396 2006-05-01 DJ Delorie <dj@redhat.com>
11398 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
11400 (gcc_cv_objdump): Likewise.
11401 * configure: Regenerated.
11403 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
11406 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
11407 templates for case 3 and 4.
11409 2006-05-01 DJ Delorie <dj@redhat.com>
11411 * vec.c: Include bconfig.h when appropriate.
11412 * Makefile.in (build/vec.o): Adjust dependencies.
11413 * mkconfig.sh: Make sure config.h isn't used for build machine
11416 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11418 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
11420 (mark_phi_for_rewrite): New function.
11421 (insert_phi_nodes_for, mark_use_interesting): Call
11422 mark_phi_for_rewrite.
11423 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
11424 (update_ssa): Initialize and free phis_to_rewrite.
11426 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11428 PR rtl-optimization/27291
11429 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
11430 folded to a constant.
11432 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11434 PR tree-optimization/27283
11435 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
11436 not whole # of iteration descriptions.
11437 (niter_for_exit): Return just # of iterations. Fail if # of iterations
11438 uses abnormal ssa name.
11439 (niter_for_single_dom_exit): Ditto.
11440 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
11441 return just the number of iterations.
11443 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11445 PR tree-optimization/27144
11446 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
11447 (record_estimate): Only record constant upper bound.
11448 (infer_loop_bounds_from_undefined): Call
11449 compute_estimated_nb_iterations just once.
11450 (proved_non_wrapping_p): Renamed to ...
11451 (n_of_executions_at_most): ... this. Expect bound to be a constant.
11452 (convert_step_widening, scev_probably_wraps_p): Call
11453 n_of_executions_at_most instead of proved_non_wrapping_p.
11454 (substitute_in_loop_info): Do not replace values in bounds.
11455 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
11458 2006-05-01 Richard Henderson <rth@redhat.com>
11461 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
11462 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
11465 2006-05-01 Roger Sayle <roger@eyesopen.com>
11467 * c-typeck.c (parser_build_binary_op): Don't call the function
11468 unsigned_conversion_warning to spot operand/result type overflow.
11469 (build_binary_op): Instead, call convert_and_check instead of
11470 convert to report the problem when the operands are promoted.
11471 * c-common.c (unsigned_conversion_warning): Make static.
11472 * c-common.h (unsigned_conversion_warning): Delete prototype.
11474 2006-05-01 Richard Guenther <rguenther@suse.de>
11476 PR tree-optimization/26726
11477 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
11479 (find_interesting_uses_address): ... we work around here
11480 by folding INDIRECT_REFs in the substituted base.
11482 2006-05-01 Diego Novillo <dnovillo@redhat.com>
11484 * omp-low.c (dump_omp_region): Add newlines.
11486 2006-04-30 Roger Sayle <roger@eyesopen.com>
11488 * common.opt (Woverflow): New command line option.
11489 * c-common.c (constant_expression_warning): Check warn_overflow.
11490 (overflow_waring): Pass OPT_Woverflow to warning.
11491 (unsigned_conversion_warning): Likewise.
11492 (convert_and_check): Likewise.
11493 * doc/invoke.texi: Document new command line option.
11495 2006-04-30 David Edelsohn <edelsohn@gnu.org>
11497 * config/rs6000/rs6000.c (rs6000_override_options): Enable
11498 TARGET_NO_FP_IN_TOC for section anchors.
11499 (optimization_options): Enable section anchors for all
11500 non-"Objective" languages.
11502 2006-04-28 Eric Christopher <echristo@apple.com>
11504 * config/darwin-c.c (darwin_ms_struct): Move this
11505 (darwin_set_default_type_attributes): and this...
11506 * config/darwin.c: ... here.
11507 * config/darwin.h (darwin_ms_struct): Declare.
11509 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
11511 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
11513 2006-04-28 Roger Sayle <roger@eyesopen.com>
11516 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
11517 (push_array_bounds): Delete prototype. Change BOUNDS argument to
11518 an unsigned HOST_WIDE_INT.
11519 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
11521 (really_start_incremental_init): No need to call convert because
11522 bitsize_zero_node is already of type bitsizetype.
11523 (push_init_level): Extract the value of constructor_index as an
11524 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
11525 (process_init_element): Likewise.
11527 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
11529 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
11530 value before passing to make_relative_prefix.
11532 2006-04-28 Alan Modra <amodra@bigpond.net.au>
11534 PR middle-end/27260
11535 * builtins.c (expand_builtin_memset): Expand val in original mode.
11537 2006-04-27 Eric Christopher <echristo@apple.com>
11539 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
11540 with #ifndef/#endif.
11541 * config/darwin-c.c (darwin_ms_struct): New.
11542 (darwin_pragma_ms_struct): Ditto.
11543 (darwin_set_default_type_attributes): Ditto.
11544 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
11545 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
11546 Register ms_struct pragma.
11547 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
11548 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
11549 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
11550 darwin_set_default_type_attributes if TARGET_MACHO.
11552 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
11554 PR tree-optimization/26854
11555 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
11556 * doc/tree-ssa.texi: Update immuse iterator documentation.
11557 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
11558 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
11559 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
11560 first_safe_imm_use, next_safe_imm_use): Remove.
11561 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
11562 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
11563 (move_use_after_head): New. Helper function to sort immuses in a stmt.
11564 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
11565 (first_imm_use_stmt): New. Get first stmt in an immuse list.
11566 (next_imm_use_stmt): New. Get next stmt in an immuse list.
11567 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
11568 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
11569 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
11570 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
11571 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
11572 (perfect_nestify): Use new iterator.
11573 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
11575 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
11576 (next_imm_name): New field in struct immediate_use_iterator_d.
11577 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
11578 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
11579 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
11580 * tree-cfg.c (replace_uses_by): Use new iterator.
11581 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
11582 * tree-ssa-operands.c (correct_use_link): Remove.
11583 (finalize_ssa_use_ops): No longer call correct_use_link.
11585 2006-04-27 Stuart Hastings <stuart@apple.com>
11587 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
11588 * config/t-darwin (crt3.o): Use it.
11589 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
11590 'pmode', use Pmode instead of SImode for SYMBOL_REF.
11591 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
11592 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
11593 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
11596 2006-04-27 Roger Sayle <roger@eyesopen.com>
11598 * expmed.c (store_fixed_bit_field): If we're not optimizing for
11599 size, force the intermediate into a new pseudo rather instead of
11600 performing both a bitwise AND and a bitwise IOR in memory.
11602 2006-04-27 Richard Guenther <rguenther@suse.de>
11604 PR rtl-optimization/26685
11605 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
11606 this one "max-flow-memory-locations".
11608 2006-04-27 Richard Guenther <rguenther@suse.de>
11610 PR tree-optimization/25148
11611 * tree-vrp.c (compare_values): Remove code dealing with
11612 comparisons against type min/max value. Honour overflow
11613 and negative constants in code dealing with comparisons
11614 of plus and minus expressions.
11615 (value_inside_range): Use fold_binary with LE_EXPR and
11616 GE_EXPR rather than compare_values.
11618 2006-04-27 Dirk Mueller <dmueller@suse.de>
11620 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
11623 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
11625 * basic-block.h (safe_insert_insn_on_edge): Removed.
11626 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
11628 2006-04-26 David Edelsohn <edelsohn@gnu.org>
11629 Paolo Bonzini <bonzini@gnu.org>
11631 PR middle-end/27282
11632 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
11633 (simplify_and_const_int): Same.
11635 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
11637 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
11639 2006-04-26 Jakub Jelinek <jakub@redhat.com>
11642 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
11643 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
11644 cgraph_global_info_ready.
11646 PR middle-end/26913
11647 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
11650 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
11651 either decl or init is error_mark_node.
11653 PR middle-end/25989
11654 * tree-flow.h (struct omp_region): Add sched_kind.
11655 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
11656 instead of extracting omp for data.
11657 (expand_omp_for): Save extracted sched_kind.
11659 2006-04-25 Roger Sayle <roger@eyesopen.com>
11661 * expmed.c (store_bit_field): Also check whether the bitsize is
11662 valid for the machine's "insv" instruction before moving the
11663 target into a pseudo for use with the insv.
11664 * config/i386/predicates.md (const8_operand): New predicate.
11665 * config/i386/i386.md (extv, extzv, insv): Use the new
11666 const8_operand predicate where appropriate.
11668 2006-04-25 DJ Delorie <dj@redhat.com>
11670 * doc/install.texi (Specific): Clarify that this is not a list of
11671 supported hosts or targets.
11673 2006-04-25 Richard Sandiford <richard@codesourcery.com>
11675 PR rtl-optimization/26725
11676 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
11677 block's BB_DIRTY flag.
11679 2006-04-25 Geoffrey Keating <geoffk@apple.com>
11681 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
11684 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
11685 to print an integer.
11687 2006-04-25 David Edelsohn <edelsohn@gnu.org>
11689 * varasm.c (align_variable): New function.
11690 (get_block_for_decl): Apply align_variable to DECL before
11691 calculating section information.
11692 (assemble_variable): Split out alignment computation.
11694 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
11696 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
11699 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
11701 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
11702 MODE_PARTIAL_INT mode.
11703 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
11704 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
11706 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
11707 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
11709 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
11711 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
11713 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
11714 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
11715 MACFLAG_IH): Likewise.
11716 (movstricthi_1): Renamed from "*movstricthi".
11717 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
11718 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
11719 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
11720 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
11721 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
11722 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
11723 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
11724 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
11725 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
11726 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
11727 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
11728 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
11729 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
11730 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
11731 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
11733 * doc/rtl.texi (ss_ashift): Improve wording.
11735 2006-04-24 Geoffrey Keating <geoffk@apple.com>
11737 * dwarf2out.c (verify_marks_clear): New.
11738 (prune_unused_types): Call verify_marks_clear initially, not
11741 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
11743 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
11744 * doc/rtl.texi: Document them.
11745 * simplify-rtx.c (simplify_unary_operation,
11746 simplify_binary_operation_1): Don't abort when we see them.
11748 2006-04-24 Mark Mitchell <mark@codesourcery.com>
11751 2006-04-23 Mark Mitchell <mark@codesourcery.com>
11752 * configure.ac: Completely disregard languages that are not
11754 * configure: Regenerated.
11756 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
11757 Richard Guenther <rguenther@suse.de>
11759 PR tree-optimization/27236
11760 * tree-inline.c (copy_body_r): Make sure to copy
11761 TREE_THIS_VOLATILE flag.
11763 2006-04-24 Richard Guenther <rguenther@suse.de>
11765 PR middle-end/26869
11766 * tree-complex.c (update_parameter_components): Don't handle
11767 unused parameters which have no default def.
11769 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
11770 Richard Guenther <rguenther@suse.de>
11772 PR tree-optimization/27218
11773 * tree-inline.c (expand_call_inline): Strip useless type
11774 conversions for the return slot address.
11776 2006-04-24 Richard Guenther <rguenther@suse.de>
11778 * cfgloop.h (struct loops): Remove unused field array. Reorder
11780 (LOOP_PREFETCH): Remove.
11782 2006-04-24 Richard Guenther <rguenther@suse.de>
11784 PR tree-optimization/22525
11785 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
11786 variable, adjust types of generated expressions.
11788 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
11790 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
11791 (tree-vect-patterns.o): Likewise.
11792 (jump.o): Likewise.
11793 (cselib.o): Likewise.
11794 (loop-doloop.o): Likewise.
11795 (regclass.o): Likewise.
11796 (reload1.o): Likewise.
11797 (explow.o): Replace target.h with $(TARGET_H).
11798 (ipa-prop.o): Likewise.
11799 (ipa-cp.o): Likewise.
11800 (ipa-inline.o): Likewise.
11801 (reorg.o): Likewise.
11802 (reg-stack.o): Likewise.
11804 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
11806 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
11808 2006-04-23 Mark Mitchell <mark@codesourcery.com>
11810 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
11812 * configure.ac: Completely disregard languages that are not
11814 * configure: Regenerated.
11817 * c-common.h (c_build_bitfield_integer_type): Declare.
11818 * c-decl.c (c_build_bitfield_integer_type): Move to ...
11819 * c-common.c (c_build_bitfield_integer_type): ... here.
11821 2006-04-23 Roger Sayle <roger@eyesopen.com>
11824 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
11825 a SImode SUBREG of a floating point register after no_new_pseudos.
11827 2006-04-23 Roger Sayle <roger@eyesopen.com>
11829 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
11830 identify potentially eliminable registers to additionally catch
11831 VIRTUAL_INCOMING_ARGS_REGNUM.
11832 (addsi3): Update the conditions on when to use addsi_small_int.
11834 2006-04-23 Roger Sayle <roger@eyesopen.com>
11837 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
11838 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
11839 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
11841 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
11843 * fold-const.c (range_predecessor): Use operand_equal_p
11844 as the predicate for equality.
11845 (range_successor): Likewise.
11847 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
11850 * config/soft-fp/op-common.h: Fix a typo.
11852 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
11854 PR libmudflap/26864
11855 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
11856 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
11858 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
11860 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
11862 * doc/tm.texi: Fix a typo.
11864 2006-04-21 Geoffrey Keating <geoffk@apple.com>
11866 * dwarf2out.c (struct die_struct): Document that die_sib makes
11867 a circular linked list.
11868 (FOR_EACH_CHILD): New.
11869 (reverse_die_lists): Delete.
11870 (reverse_all_dies): Delete.
11871 (add_dwarf_attr): Correct documentation.
11872 (remove_child_with_prev): New.
11873 (remove_child_TAG): Update for change to die_struct, use
11874 remove_child_with_prev.
11875 (add_child_die): Update for change to die_struct.
11876 (splice_child_die): Use remove_child_with_prev and add_child_die.
11877 (print_die): Use FOR_EACH_CHILD.
11878 (die_checksum): Likewise.
11879 (assign_symbol_names): Likewise.
11880 (output_location_lists): Likewise.
11881 (build_abbrev_table): Likewise.
11882 (calc_die_sizes): Likewise.
11883 (mark_dies): Likewise.
11884 (unmark_dies): Likewise.
11885 (unmark_all_dies): Likewise.
11886 (output_die): Likewise.
11887 (prune_unused_types_mark): Likewise.
11888 (prune_unused_types_walk): Likewise.
11889 (same_die_p): Update for change to die_struct.
11890 (break_out_includes): Likewise.
11891 (prune_unused_types_prune): Likewise.
11892 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
11893 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
11894 it's already clear.
11895 (dwarf2out_finish): Don't call reverse_all_dies.
11897 2006-04-21 Eric Christopher <echristo@apple.com>
11899 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
11900 in comments and function names.
11902 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11905 * c-typeck.c (digest_init): Robustify.
11907 * c-typeck.c (pop_init_level): Simplify.
11909 2006-04-21 Steve Ellcey <sje@cup.hp.com>
11911 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
11913 2006-04-21 Paul Brook <paul@codesourcery.com>
11915 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
11916 hardware floating point.
11918 2006-04-21 David Edelsohn <edelsohn@gnu.org>
11920 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
11923 2006-04-21 Nick Clifton <nickc@redhat.com>
11925 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
11928 2006-04-21 Alan Modra <amodra@bigpond.net.au>
11931 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
11932 C++ lang type in traceback table for Objective-C++.
11934 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
11936 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
11938 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
11940 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11943 * tree-mudflap.c (mudflap_finish_file): Skip function when there
11944 were errors. Remove check for erroneous objects.
11946 2006-04-20 Jeff Law <law@redhat.com>
11948 PR tree-optimization/26854
11949 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
11950 checking for zero or one use.
11951 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
11952 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
11953 * tree-ssa-reassoc.c (negate_value): Similarly.
11954 (reassociate_bb): Similarly.
11956 2006-04-20 Jakub Jelinek <jakub@redhat.com>
11959 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
11960 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
11961 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
11963 2006-04-20 Alan Modra <amodra@bigpond.net.au>
11965 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
11966 fp regs if the last fp arg doesn't fit in regs.
11968 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
11971 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
11972 that the last insn has the REG_INC note.
11974 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
11975 Nathan Sidwell <nathan@codesourcery.com>
11978 * stor-layout.c (update_alignment_for_field): Do not align
11980 (place_union_field): Place union field at the start of the union.
11981 (place_field): Move ERROR_MARK check later, and use the current
11982 allocation position to maintain monotonicity.
11984 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
11986 * dominance.c: Include timevar.h.
11987 (calculate_dominance_info): Use TV_DOMINANCE.
11988 * timevar.def (TV_DOMINANCE): New timevar.
11989 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
11991 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
11993 PR rtl-optimization/14261
11994 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
11995 move would be an INSV insn.
11996 (noce_process_if_block): Don't optimize if the destination is a
11997 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
11999 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
12001 * config/s390/s390.md: Add comments with the instructions emitted
12002 by an insn pattern if macros are used.
12004 2006-04-19 Alan Modra <amodra@bigpond.net.au>
12006 PR rtl-optimization/26026
12007 * fold-const.c (fold_binary): Optimize div and mod where the divisor
12008 is a known power of two shifted left a variable amount.
12010 2006-04-18 Geoffrey Keating <geoffk@apple.com>
12012 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
12013 to hash table twice when the debug_str section has SECTION_MERGE.
12015 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
12017 * config/soft-fp: New directory. From glibc.
12018 * config/soft-fp/t-softfp: New.
12019 * config/soft-fp/README: New.
12020 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
12021 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
12022 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
12023 (LIBGCC_DEPS): Add $(SFP_MACHINE).
12024 * config.gcc: Use rs6000/t-fprules-fpbit or
12025 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
12027 * config/rs6000/sfp-machine.h: New. Based on glibc.
12028 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
12030 * config/rs6000/t-fprules: Remove fp-bit rules.
12031 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
12032 * config/rs6000/t-linux64: Likewise. Remove duplicates from
12033 LIB2FUNCS_EXTRA. Remove fp-bit rules.
12034 (softfp_wrap_start, softfp_wrap_end): New.
12036 2006-04-18 DJ Delorie <dj@redhat.com>
12038 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
12040 2006-04-18 Devang Patel <dpatel@apple.com>
12042 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
12044 2006-04-18 Nick Clifton <nickc@redhat.com>
12046 * config/sh/t-symbian: Add rule to build sh-c.o
12047 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
12048 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
12049 (sh_symbian_encode_section_info): Likewise.
12051 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
12053 * builtins.c (expand_builtin_strcmp): Cover label definition of
12054 do_libcall with HAVE_cmpstrnsi.
12056 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
12058 * function.c (temp_slots_at_level, max_slot_level): Use VEC
12060 * function.h (temp_slot_p): New.
12061 (function): Change the type of x_used_temp_slots to
12062 VEC(temp_slot_p,gc) *.
12064 2006-04-18 Nick Clifton <nickc@redhat.com>
12066 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
12067 flag_strength_reduce.
12069 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
12071 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
12075 Partial revert of revision 112637
12076 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
12077 Dale Johannesen <dalej@apple.com>
12080 * regclass.c (struct reg_pref): Update documentation.
12081 (regclass): Set prefclass to NO_REGS if memory is the best option.
12082 (record_reg_classes): Cope with a prefclass set to NO_REGS.
12084 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
12086 PR tree-optimization/26821
12087 * tree-ssa-math-opts.c (get_constant_one): New.
12088 (insert_reciprocals): Use it.
12090 2006-04-17 Geoffrey Keating <geoffk@apple.com>
12092 * dwarf2out.c (free_AT): Delete.
12093 (remove_AT): Update string ref counts.
12094 (remove_child_TAG): Don't call free_die.
12095 (free_die): Delete.
12096 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
12097 or DW_TAG_GNU_EINCL.
12098 (prune_unused_types_walk_attribs): Reset string refcounts.
12099 (prune_unused_types_update_strings): New.
12100 (prune_unused_types_prune): Don't make unnecessary stores. Don't
12101 call free_die. Do call prune_unused_types_update_strings.
12102 (prune_unused_types): Empty debug_str_hash.
12104 2006-04-17 Roger Sayle <roger@eyesopen.com>
12106 * expr.c (expand_assignment): Optimize away no-op moves where the
12107 source and destination are equal and have no side-effects.
12109 2006-04-17 Richard Guenther <rguenther@suse.de>
12112 * reload.c (push_reload): Guard calls to get_secondary_mem
12113 for memory subregs.
12115 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
12117 * alias.c (reg_base_value, old_reg_base_value): Change the
12118 type to VEC(rtx,gc) *.
12119 (REG_BASE_VALUE, find_base_value, record_set,
12120 init_alias_analysis): Use VEC instead of VARRAY.
12122 * alias.c (alias_sets): Change the type to
12123 VEC(alias_set_entry,gc) *.
12124 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
12125 VEC instead of VARRAY.
12126 (last_alias_set): Remove.
12128 * cgraph.h (cgraph_edge_p): New.
12129 Update the prototype of cgraph_function_versioning.
12130 * cgraphunit.c (cgraph_copy_node_for_versioning,
12131 cgraph_function_versioning): Use VEC instead of VARRAY.
12132 * ipa-cp.c (ipcp_insert_stage): Likewise.
12134 2006-04-16 Roger Sayle <roger@eyesopen.com>
12137 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
12138 "A op B" or "A op C", we may need to convert A to the type of B and C.
12140 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
12142 * target.h (struct gcc_target): Add mode_rep_extended.
12143 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
12144 (init_num_sign_bit_copies_in_rep): Initialize it using
12146 (truncate_to_mode): Use it.
12147 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
12148 * targhooks.h (default_mode_rep_extended): Declare it.
12149 * targhooks.c (default_mode_rep_extended): Define it.
12150 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
12151 default_mode_rep_extended.
12152 (TARGET_INITIALIZER): Include it.
12153 * doc/tm.texi (Misc): Document it.
12154 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
12155 (mips_truncated_to_mode): New function.
12157 2006-04-16 Roger Sayle <roger@eyesopen.com>
12159 PR middle-end/25474
12160 * expr.c (compress_float_constant): Copy the narrow constant into
12161 a new pseudo before extending it to its final width.
12163 2006-04-16 Roger Sayle <roger@eyesopen.com>
12164 Andrew Pinski <pinskia@gcc.gnu.org>
12165 Dale Johannesen <dalej@apple.com>
12168 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
12169 special case code to implement V8HImode and V16QImode with SSE2.
12171 2006-04-15 Roger Sayle <roger@eyesopen.com>
12173 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
12174 trees are constructed with a suitable tree type.
12176 2006-04-15 Roger Sayle <roger@eyesopen.com>
12178 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
12179 (integer_onep): Likewise.
12180 (integer_all_onesp): Likewise.
12181 (integer_pow2p): Likewise.
12182 (integer_nonzerop): Likewise.
12183 (real_zerop): Likewise.
12184 (real_onep): Likewise.
12185 (real_twop): Likewise.
12186 (real_minus_onep): Likewise.
12187 (int_size_in_bytes): Likewise.
12188 (host_integerp): Likewise.
12190 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
12192 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
12193 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
12194 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
12196 * tree-ssa-structalias.h (alias_info): Remove num_references.
12198 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12200 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
12201 (output_bvb patterns): Likewise.
12202 * pa.c (output_bb): Use 'bb' insn for long branch case.
12203 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
12204 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
12205 1. Correct length operand for alternatives 1 and 2.
12206 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
12207 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
12209 2006-04-14 Roger Sayle <roger@eyesopen.com>
12211 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
12212 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
12213 were accidentally reverted by r112959.
12215 2006-04-15 Jakub Jelinek <jakub@redhat.com>
12217 PR middle-end/26823
12218 * except.h (eh_region_outermost): New prototype.
12219 * except.c (eh_region_outermost): New function.
12220 * tree-cfg.c (find_outermost_region_in_block): Use it.
12222 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
12224 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
12226 * reload1.c (reg_equiv_memory_loc_varray): Rename to
12227 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
12228 (init_reload, reload): Use VEC instead of VARRAY.
12229 * reload.h: Update the prototype for
12230 reg_equiv_memory_loc_varray.
12232 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
12233 Eric Botcazou <ebotcazou@libertysurf.fr>
12235 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
12236 register save area.
12238 2005-04-13 Uros Bizjak <uros@kss-loka.si>
12240 PR middle-end/27134
12241 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
12242 to expand fallback builtin function call.
12244 2006-04-14 Alan Modra <amodra@bigpond.net.au>
12246 PR middle-end/27095
12247 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
12248 and emit libcall here in case the builtin fails.
12249 (expand_builtin_strcmp): Always emit the libcall here on failure.
12251 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
12253 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
12254 * flow.c (reg_n_info): Change the type to
12255 VEC(reg_info_p,heap) *.
12256 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
12258 * regs.h (reg_info_p): New.
12259 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
12260 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
12261 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
12264 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
12266 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
12268 * params.h (MAX_SCHED_READY_INSNS): New macro.
12269 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
12270 past MAX_SCHED_READY_INSNS during the first scheduling pass.
12271 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
12272 the ready list for 1 cycle during the first scheduling pass.
12273 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
12275 2006-04-13 Richard Henderson <rth@redhat.com>
12278 * gimple-low.c (lower_omp_directive): Remove dead code.
12279 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
12280 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
12281 * omp-low.c (struct omp_region): Move to tree-flow.h.
12282 (root_omp_region): Export.
12283 (omp_regions, lookup_omp_region): Remove.
12284 (determine_parallel_type): Update for struct omp_region changes.
12285 (dump_omp_region): Dump regions with block numbers.
12286 (new_omp_region): Take type and block instead of stmt; malloc
12288 (free_omp_region_1, free_omp_regions): New.
12289 (expand_parallel_call): Take entry_stmt as argument; update for
12290 changes to omp_region.
12291 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
12292 (remove_exit_barriers): New.
12293 (expand_omp_parallel): Update for struct omp_region changes.
12294 (expand_omp_synch): Likewise.
12295 (expand_omp): Likewise.
12296 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
12297 (expand_omp_for_static_chunk): Likewise.
12298 (expand_omp_for): Likewise.
12299 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
12300 (expand_omp_sections): Similarly, with GOMP_sections_end.
12301 (expand_omp_single): New.
12302 (build_omp_regions_1): Update for OMP_CONTINUE.
12303 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
12304 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
12305 OMP_SECTIONS_SECTIONS.
12306 (lower_omp_single_simple): Don't emit barrier here.
12307 (lower_omp_single_copy): Likewise.
12308 (lower_omp_single): Fix bindings, and lower to straightline now.
12309 (lower_omp_master, lower_omp_ordered): Likewise.
12310 (lower_omp_critical): Likewise.
12311 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
12312 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
12313 omp edges, free it afterward.
12314 (make_omp_sections_edges): Remove.
12315 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
12316 (move_stmt_r): Handle OMP_CONTINUE.
12317 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
12318 statement pointers to basic blocks. Add type member.
12319 (root_omp_region, new_omp_region, free_omp_regions): Declare.
12320 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
12321 * tree-inline.c (estimate_num_insns_1): Likewise.
12322 * tree-pretty-print.c (dump_generic_node): Likewise.
12323 * tree-ssa-operands.c (get_expr_operands): Likewise.
12324 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
12325 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
12326 (OMP_CONTINUE): New.
12327 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
12328 (OMP_SECTIONS_SECTIONS): Remove.
12329 (OMP_SECTION_LAST): New.
12330 (OMP_RETURN_NOWAIT): New.
12332 2006-04-13 Roger Sayle <roger@eyesopen.com>
12334 * fold-const.c (native_encode_vector, native_interpret_real):
12335 Correct obvious mistakes in the previous check-in.
12337 2006-04-13 Roger Sayle <roger@eyesopen.com>
12339 * fold-const.c (native_encode_expr): New function to encode
12340 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
12341 or VECTOR_CST into a specified buffer.
12342 (native_encode_int): New function.
12343 (native_encode_real): New function.
12344 (native_encode_complex): New function.
12345 (native_encode_vector): New function.
12346 (native_interpret_expr): Inverse of native_encode_expr to convert
12347 a target representation into an INTEGER_CST, REAL_CST etc...
12348 (native_interpret_int): New function.
12349 (native_interpret_real): New function.
12350 (native_interpret_complex): New function.
12351 (native_interpret_vector): New function.
12352 (fold_view_convert_expr): New function to constant fold/evaluate
12353 a VIEW_CONVERT_EXPR of a suitable constant expression.
12354 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
12355 Change call of build1 to fold_build1 when constructing a
12358 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
12359 Ulrich Weigand <uweigand@de.ibm.com>
12362 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
12365 2006-04-13 Alan Modra <amodra@bigpond.net.au>
12368 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
12369 optimize to lo_sum for DFmode if !TARGET_FPRS.
12371 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12373 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
12374 delete_alias_info, compute_flow_sensitive_aliasing,
12375 group_aliases): Use VEC instead of VARRAY.
12376 * tree-ssa-structalias.c (update_alias_info): Likewise.
12377 * tree-ssa-structalias.h (alias_info): Change the type of
12378 processed_ptrs to VEC(tree,heap) *.
12380 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
12383 * config/sh/lib1funcs.h: New file, broken out of:
12384 * config/sh/lib1funcs.asm.
12385 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
12387 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
12388 * config/sh/lib1funcs-Os-4-200.asm: New file.
12389 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
12390 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
12391 (EXTRA_MULTILIB_PARTS): Include it.
12392 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
12393 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
12394 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
12395 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
12398 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12400 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
12401 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
12402 tpa_compact, root_var_init, type_var_init): Use VEC instead of
12404 * tree-ssa-live.h: Include vecprim.h.
12405 (tree_partition_associator_d): Change the type of
12406 first_partition to VEC(int,heap) *.
12407 (tpa_first_partition): Use VEC instead of VARRAY.
12409 * Makefile.in (GTFILES): Move functions.h after tree.h.
12410 * function.c (reset_block_changes, record_block_change,
12411 check_block_change, free_block_changes): Use VEC instead of
12413 * function.h (function): Change the type of
12414 ib_boundaries_block to VEC(tree,gc) *.
12415 * tree-inline.c (copy_cfg_body): Initialize
12416 ib_boundaries_block to NULL instead of (varray_type) 0.
12418 2006-04-12 Roger Sayle <roger@eyesopen.com>
12420 * expr.c (emit_group_store): Correct operand order in call to
12421 subreg_lowpart_offset. Always create paradoxical SUBREGs with
12422 a SUBREG_BYTE of zero.
12424 2006-04-12 Richard Guenther <rguenther@suse.de>
12426 * profile.c (compute_branch_probabilities): Remove code
12427 encapsulated in !ir_type (), which are remanents of the
12428 removed RTL profiling code.
12429 * rtl-profile.c: Remove.
12431 2006-04-12 Alan Modra <amodra@bigpond.net.au>
12433 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
12434 magic NULL_RTX comment.
12435 (function_arg): Store entire fp arg to mem if any part should go
12437 (rs6000_arg_partial_bytes): Adjust for above change.
12439 2006-04-11 Roger Sayle <roger@eyesopen.com>
12441 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
12442 if it hasn't been initialized by dwarf2out_init.
12444 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
12446 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
12447 symbolic constants in branch patterns.
12449 2006-04-11 Roger Sayle <roger@eyesopen.com>
12451 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
12453 2006-04-11 Richard Sandiford <richard@codesourcery.com>
12455 PR rtl-optimization/27073
12456 * gcse.c (try_replace_reg): Revert last change. Continue to search
12457 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
12460 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
12462 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
12463 aggregate types other than record and union types.
12464 (function_arg): Likewise.
12465 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
12467 (function_value): In 64-bit mode, return objects that require it
12470 2006-04-11 Roger Sayle <roger@eyesopen.com>
12472 * dwarf2out.c (premark_used_types): Remove problematic prototype.
12474 2006-04-11 Jakub Jelinek <jakub@redhat.com>
12476 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
12478 2006-04-03 Jeff Law <law@redhat.com>
12481 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
12482 alias information too.
12484 2006-04-10 Mike Frysinger <vapier@gentoo.org>
12486 * Makefile.in (gcc-cross): Add $(exeext) to target name.
12488 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
12491 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
12492 (premark_used_types_helper): New.
12493 (premark_used_types): New.
12494 (gen_subprogram_die): Call premark_used_types.
12495 (prune_unused_types_walk): Do not prune perennial dies.
12496 * function.c (used_types_insert): New.
12497 * function.h (struct function): Add used_types_hash field.
12498 (used_types_insert): Add prototype.
12499 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
12500 * c-parser.c (c_parser_cast_expression): Save casted types in used
12503 2006-04-11 Mark Mitchell <mark@codesourcery.com>
12506 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
12507 rs6000_explicit_options.float_gprs.
12509 2006-04-10 Roger Sayle <roger@eyesopen.com>
12511 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
12512 from ix86_expand_vector_init_low_nonzero. Take an additional
12513 one_var argument indicating which element is non-zero. Support
12514 one_var != 0 for V4SFmode and V4SImode by permuting the result.
12515 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
12516 with one_var instead of ix86_expand_vector_init_low_nonzero.
12518 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
12520 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
12521 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
12522 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
12523 build/genextract.o): Depend on vecprim.h.
12524 * cfglayout.c, df-problems.c, function.c, genextract.c,
12525 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
12526 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
12530 2006-04-10 Geoffrey Keating <geoffk@apple.com>
12532 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
12533 Declare VECs of this type.
12534 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
12535 (remove_children): Delete.
12536 (add_dwarf_attr): Use VEC routines.
12537 (add_AT_flag): Update for changes to add_dwarf_attr.
12538 (add_AT_int): Likewise.
12539 (add_AT_unsigned): Likewise.
12540 (add_AT_long_long): Likewise.
12541 (add_AT_vec): Likewise.
12542 (add_AT_string): Likewise.
12543 (add_AT_die_ref): Likewise.
12544 (add_AT_fde_ref): Likewise.
12545 (add_AT_loc): Likewise.
12546 (add_AT_loc_list): Likewise.
12547 (add_AT_addr): Likewise.
12548 (add_AT_lbl_id): Likewise.
12549 (add_AT_lineptr): Likewise.
12550 (add_AT_macptr): Likewise.
12551 (add_AT_offset): Likewise.
12552 (add_AT_range_list): Likewise.
12553 (get_AT): Use VEC_iterate.
12554 (remove_AT): Use VEC_ordered_remove.
12555 (free_die): Fold remove_children into here; have it use VEC_iterate.
12556 (print_die): Use VEC_iterate on attrs.
12557 (reverse_die_lists): Don't reverse attr lists.
12558 (die_checksum): Use VEC_iterate on attrs.
12559 (same_die_p): Likewise.
12560 (output_location_lists): Likewise.
12561 (build_abbrev_table): Likewise.
12562 (size_of_die): Likewise.
12563 (unmark_all_dies): Likewise.
12564 (output_abbrev_section): Likewise.
12565 (output_die): Likewise.
12566 (prune_unused_types_walk_attribs): Likewise.
12568 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12570 * doc/install.texi (*-*-solaris2*): Point to the configure page.
12572 2006-04-10 Jakub Jelinek <jakub@redhat.com>
12575 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
12577 2006-04-09 Roger Sayle <roger@eyesopen.com>
12579 * expr.c (store_constructor): Don't bother clearing target if
12580 we're about to assign a vector to it using vec_init_optab.
12582 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
12584 * tree-ssa-alias.c (lhs_may_store_to): New function.
12585 (recalculate_used_alone): Handle LHS of calls.
12587 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12591 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
12592 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
12593 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
12594 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
12595 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
12596 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
12597 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
12598 stubs. Add ".align 8" directives before all ".dword" directives.
12599 (GTHREAD_USE_WEAK): Revise comment.
12600 (TARGET_ATTRIBUTE_WEAK): Define.
12601 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
12602 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
12603 * stublib.c: New file.
12608 * pa.md (cbranch patterns): Revise arguments used in calls to
12609 output_cbranch, output_bb and output_bvd. Add long branch length
12611 (fbranch patterns): Handle long branches.
12612 (jump): Revise length check. Revise arguments for output_lbranch call.
12613 Add long branch length attributes.
12614 (decrement_and_branch_until_zero): Add long branch length attributes.
12615 (output_movb, output_parallel_addb and output_parallel_movb patterns):
12616 Likewise. Revise arguments for output_parallel_addb and
12617 output_parallel_movb calls.
12618 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
12619 output_parallel_movb and output_parallel_addb): Update prototypes.
12620 * pa.c (output_cbranch): Revise arguments. Correct handling of
12621 nullification in long branches.
12622 (output_lbranch): Add new argument to control extraction of delay
12624 (output_bb): Handle long branches.
12625 (output_bvb, output_dbra, output_movb, output_parallel_movb,
12626 output_parallel_addb): Likewise.
12628 2006-04-09 Richard Sandiford <richard@codesourcery.com>
12630 PR rtl-optimization/27073
12631 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
12634 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
12636 * tree.h (tree_memory_tag): Add old_used_alone.
12637 (SMT_OLD_USED_ALONE): New macro.
12638 * tree-ssa-alias.c (recalculate_used_alone): Stop
12639 marking things for renaming unnecessarily.
12641 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
12643 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
12644 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
12645 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
12646 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
12647 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
12648 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
12649 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
12650 spelling convensions.
12651 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
12652 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
12653 typos. Follow spelling conventions.
12655 2006-04-07 DJ Delorie <dj@redhat.com>
12657 * config/m32c/m32c.c (m32c_function_arg): Structures are always
12658 passed on the stack.
12659 (m32c_init_cumulative_args): When a function returns a structure,
12660 always pass the pointer to that return area on the stack.
12661 (m32c_function_arg_advance): Don't increment the parameter number
12662 if we're processing the returned structure pointer.
12663 (pushm_info): Reverse order of registers.
12665 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
12667 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
12668 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12669 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
12670 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
12671 build_int_cst_type.
12672 * tree-chrec.c (chrec_fold_multiply_poly_poly,
12673 chrec_fold_multiply): Same.
12674 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
12675 force_expr_to_var_cost): Same.
12676 * tree-mudflap.c (mf_xform_derefs_1): Same.
12677 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
12679 2006-04-07 David Edelsohn <edelsohn@gnu.org>
12681 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
12682 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
12685 2006-04-07 Jan Hubicka <jh@suse.cz>
12687 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
12689 2006-04-07 Richard Guenther <rguenther@suse.de>
12691 PR tree-optimization/26135
12692 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
12693 loads for store copy-prop.
12694 (copy_prop_visit_stmt): Likewise.
12696 2006-04-05 Robert Millan <robertmh@gnu.org>
12698 * config/i386/linux.h: Add a comment to mark macros that are
12699 being overriden in config/k*bsd-gnu.h.
12700 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
12702 * config/knetbsd-gnu.h: Ditto.
12704 2006-04-06 Jan Hubicka <jh@suse.cz>
12708 * coverage.c (coverage_checksum_string): Reorganize loop to not read
12711 2006-04-06 Mike Stump <mrs@apple.com>
12713 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
12714 for HAVE_nonlocal_goto to be consistent.
12715 (expand_builtin_nonlocal_goto): Likewise.
12716 (expand_builtin_strcmp): Use #ifdef instead of #if
12717 for HAVE_cmpstrnsi to be consistent.
12719 2006-04-05 DJ Delorie <dj@redhat.com>
12721 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
12724 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
12726 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
12727 got-relative addressing for anything but SImode.
12729 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
12730 even if the calling function doesn't modify them.
12732 2006-04-05 Richard Guenther <rguenther@suse.de>
12734 PR tree-optimization/26919
12735 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
12736 to cgraph_estimate_size_after_inlining.
12738 2006-04-05 Alan Modra <amodra@bigpond.net.au>
12740 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
12742 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
12744 PR tree-optimization/26996
12745 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
12746 VECTOR_TYPE variables.
12748 2006-04-05 Richard Guenther <rguenther@suse.de>
12750 PR tree-optimization/26763
12751 * fold-const.c (fold_comparison): Move folding of
12752 PTR + CST CMP PTR + CST ...
12753 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
12755 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
12757 * doc/install.texi (Prerequisites): Refine some wording on
12758 bootstrapping and ksh.
12759 Move the version numbers of DejaGnu here from the testing section
12760 and fix casing of names.
12761 Fix markup and clarify wording for autogen requirements.
12762 Refer to GCJ instead of just java.
12763 Refer to SVN instead of CVS.
12764 Describe diffutils as useful instead of necessary.
12765 (Downloading the source): Refer to SVN instead of CVS.
12766 Adjust a link to our web site accordingly.
12767 (Configuration): Fix casing of Bison.
12768 (Building): Refer to SVN instead of CVS.
12769 Fix a sentence on the use of Bison and remove duplicate (and
12770 incorrect) version number of Bison requirement.
12771 Remove one redundant list of packages needed for building.
12772 (Specific): Avoid reference to CVS.
12774 2006-04-04 Eric Christopher <echristo@apple.com>
12776 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
12777 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
12778 (rs6000_handle_struct_attribute): New.
12779 (rs6000_ms_bitfield_layout_p): Ditto.
12781 2006-04-04 Geoffrey Keating <geoffk@apple.com>
12783 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
12784 NULL for dso parameter to atexit_common.
12786 2006-04-04 Eric Christopher <echristo@apple.com>
12788 * config/i386/i386.c (machopic_output_stub): Output \t
12789 between instructions and operands.
12791 2006-04-04 David Edelsohn <edelsohn@gnu.org>
12793 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
12794 satisfies_constraint_[IL] to explicit tests on value.
12796 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
12798 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
12799 set_nb_iterations_in_loop): Use build_int_cst instead of
12800 build_int_cst_type.
12801 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
12802 build_int_cst instead of convert.
12804 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
12806 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
12807 new value 2 for incoming.
12808 * function.c (expand_function_start): Call struct_value_rtx
12809 with incoming as 2.
12810 * config/sparc/sparc.md: Comment updated_return.
12811 * config/sparc/sparc.opt: Add -mstd-struct-return option.
12812 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
12813 struct return if sparc_std_struct_return and incoming is 2.
12814 (print_operand): Do not adjust return if
12815 sparc_std_struct_return.
12817 2006-04-04 Roger Sayle <roger@eyesopen.com>
12819 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
12820 convert in the middle-end.
12821 * expr.c (store_expr, store_constructor, get_inner_reference,
12822 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
12824 * tree.c (build_range_type): Likewise.
12826 2006-04-04 Tom Tromey <tromey@redhat.com>
12828 * doc/install.texi (Prerequisites): Mention jar.
12830 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
12832 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
12835 2006-04-04 Matthias Klose <doko@debian.org>
12837 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
12841 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
12844 2006-04-03 Geoffrey Keating <geoffk@apple.com>
12846 * doc/extend.texi (Function Attributes): Rewrite visibility
12847 attribute documentation.
12848 * doc/invoke.texi (C++ Dialect Options): Rewrite
12849 -fvisibility-inlines-hidden documentation to describe something
12850 entirely different, although in practise compatible.
12851 (Code Gen Options): Warn about system headers in -fvisibility=
12854 * doc/extend.texi (Other Builtins): Document that
12855 __builtin_nan is a compile-time constant only when its argument
12858 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
12860 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
12861 trying to remove TRUNCATE check if all bits outside the new mode
12862 are identical to the sign bit.
12864 2006-04-03 Jeff Law <law@redhat.com>
12866 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
12867 and operand scanning in some common cases.
12869 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
12870 Dale Johannesen <dalej@apple.com>
12873 * regclass.c (struct reg_pref): Update documentation.
12874 (regclass): Set prefclass to NO_REGS if memory is the best option.
12875 (record_reg_classes): Cope with a prefclass set to NO_REGS.
12876 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
12877 into account. For non-registers, equate an empty preferred
12878 reload class to a `!' in the constraint; move the if clause to
12879 do so after those that reject the insn.
12880 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
12882 (find_dummy_reload): Likewise.
12883 * doc/tm.texi (Register Classes): Document what it means
12884 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
12885 * config/i386/i386.c (ix86_preferred_reload_class): Force
12886 using SSE registers (and return NO_REGS for floating-point
12887 constants) if math is done with SSE.
12888 (ix86_preferred_output_reload_class): New.
12889 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
12890 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
12891 * config/i386/i386.md: Remove # register preferences.
12893 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12896 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
12897 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
12898 the type of nb_iter.
12899 (instantiate_parameters_1): Convert the operands before calling
12900 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
12901 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
12903 2006-04-02 Roger Sayle <roger@eyesopen.com>
12905 * builtins.c (dummy_object): Use build_int_cst instead of convert.
12906 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
12907 instead of convert.
12908 * dojump.c (do_jump): Likewise.
12909 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
12910 * gimplify.c (gimple_boolify, gimplify_init_constructor,
12911 gimplify_boolean_expr): Likewise.
12912 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
12913 * varasm.c (array_size_for_constructor): Likewise.
12914 * tree-object-size.c (compute_object_offset): Likewise.
12916 2006-04-02 Roger Sayle <roger@eyesopen.com>
12918 PR middle-end/26977
12919 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
12920 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
12922 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12924 PR tree-optimization/26939
12925 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
12927 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12929 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
12930 at_stmt. Convert the type of operands before calling
12931 build_polynomial_chrec.
12932 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
12933 add_to_evolution_1.
12934 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
12935 (instantiate_parameters_1): Convert the type of operands before calling
12936 build_polynomial_chrec.
12937 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
12938 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
12939 reset_evolution_in_loop): Insert asserts to check the types of the
12941 (chrec_type): Moved...
12942 (eq_evolutions_p): Use operand_equal_p.
12943 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
12944 the types of the operands.
12945 (chrec_type): ...here.
12946 * tree-data-ref.c (create_data_ref): Convert the operands before
12947 calling chrec_replace_initial_condition.
12948 (same_access_functions, analyze_subscript_affine_affine,
12949 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
12950 (compute_subscript_distance, analyze_ziv_subscript,
12951 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
12952 analyze_miv_subscript): Convert the operands before calling
12953 chrec_fold_minus or chrec_fold_plus.
12955 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12957 * tree-data-ref.c (compute_all_dependences): Use a pointer to
12958 the dependence_relations vector.
12959 (compute_data_dependences_for_loop): Adjust call to
12960 compute_all_dependences.
12962 2006-04-01 Roger Sayle <roger@eyesopen.com>
12963 Richard Henderson <rth@redhat.com>
12965 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
12966 gimple_boolify on the condition before calling gimplify_expr.
12968 2006-03-31 Bob Wilson <bob.wilson@acm.org>
12970 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
12971 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
12972 the frame size. Update to use the new macros.
12973 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
12974 * config/xtensa/ieee754-df.S: Likewise.
12976 2006-03-31 Richard Henderson <rth@redhat.com>
12978 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
12979 (make_edges): ... here. Control fallthru creation with a local
12980 variable. Do not play with fake edges.
12981 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
12982 (make_goto_expr_edges): Don't play with fake edges. Make for_call
12985 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
12987 * dwarf2.h (DW64_CIE_ID): Define.
12988 * dwarf2out.c (DWARF_CIE_ID): Define.
12989 (output_call_frame_info): Output 0xffffffff before standard 8-byte
12990 length header. Use DWARF_CIE_ID.
12991 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
12992 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
12994 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
12996 * config/sh/linux-atomic.asm: New file.
12997 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
12999 2006-03-31 DJ Delorie <dj@redhat.com>
13001 * config/m32c/cond.md: Set condition flags properly throughout.
13002 * config/m32c/minmax.md: Likewise.
13003 * config/m32c/prologue.md: Likewise.
13004 * config/m32c/bitops.md: Likewise.
13005 * config/m32c/muldiv.md: Likewise.
13006 * config/m32c/mov.md: Likewise.
13007 * config/m32c/addsub.md: Likewise.
13008 * config/m32c/m32c.md: Likewise.
13009 * config/m32c/jump.md: Likewise.
13010 * config/m32c/shift.md: Likewise.
13012 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
13013 conditionally output the pattern for this.
13014 * config/m32c/m32c.c (flags_needed_for_conditional): New.
13015 (m32c_compare_redundant): New.
13016 (m32c_output_compare): New.
13017 * config/m32c/m32c-protos.h (m32c_output_compare): New.
13019 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
13020 dest, not src. Allow other 4-byte modes.
13022 2006-03-30 Denis Chertykov <denisc@overta.ru>
13024 * doc/md.texi: Refer to avr/constraints.md instead of
13027 2006-03-30 Roger Sayle <roger@eyesopen.com>
13029 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
13030 signed vs. unsigned comparison failures on some hosts.
13032 2006-03-31 Alan Modra <amodra@bigpond.net.au>
13035 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
13036 change to FLOAT_REGS.
13038 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
13039 (rs6000_override_options): Use it.
13040 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
13041 only for -mabi=spe/no-spe and -mabi=altivec.
13043 2006-03-30 Geoffrey Keating <geoffk@apple.com>
13045 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
13048 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
13050 * Makefile.in: Rename docdir to gcc_docdir.
13052 2006-03-30 Roger Sayle <roger@eyesopen.com>
13055 * expr.c (emit_group_store): Optimize group stores into a pseudo
13056 register by using a paradoxical subreg to initialize the destination
13057 if the first or last member of the group specifies a "low part".
13059 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13062 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
13063 * target.h (struct gcc_target.speculate_insn): Change type of the
13064 second parameter to 'int'.
13065 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
13066 the second operand of the DEPS_LIST.
13067 (copy_DEPS_LIST_list): Update reference to the second operand of the
13069 * rtl.h (alloc_DEPS_LIST): Update signature.
13070 * sched-int.h (ds_t): Change typedef to 'int'.
13071 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
13073 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13075 * haifa-sched.c (try_ready): Change condition to restore
13076 non-speculative pattern of the instruction.
13077 (process_insn_depend_be_in_spec): Code to keep probability of the
13078 speculative dependence non-decreasing.
13080 2006-03-30 Jie Zhang <jie.zhang@analog.com>
13082 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
13083 (single_move_for_movmem): ... this. Also change all uses.
13084 (bfin_expand_strmov): Renamed to...
13085 (bfin_expand_movmem): ... this. Also change all uses.
13086 * config/bfin/bfin.md (movstrsi): Renamed to...
13087 (movstrsi): ...this.
13089 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
13091 PR tree-optimization/26830
13093 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
13094 (copy_prop_visit_stmt): Remove write-only variable ann.
13095 (init_copy_prop): Check variable loop depth here. Do not simulate
13096 memory-tag and virtual operand PHIs except for store copy prop.
13098 2006-03-30 Richard Guenther <rguenther@suse.de>
13100 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
13101 variants with double arguments.
13103 2006-03-29 David Edelsohn <edelsohn@gnu.org>
13105 * genpreds.c (write_tm_constrs_h): Delete variable p.
13106 * genconditions.c (write_header): Add tm-constrs.h to included
13108 * genpeep.c (main): Add toplev.h to included headers.
13109 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
13110 (build/genpeep.o): Add toplev.h dependency.
13111 * config/rs6000/constraints.md: Add "W" constraint.
13113 2006-03-29 Roger Sayle <roger@eyesopen.com>
13115 * stor-layout.c (mode_for_size_tree): Remove restiction on type
13116 sizes by correctly testing whether the size fits a host integer.
13117 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
13118 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
13119 SImode range for the default sizetype and bitsizetype.
13121 2006-03-29 Roger Sayle <roger@eyesopen.com>
13123 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
13124 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
13125 quickly if the argument is already of the correct type.
13126 Call fold_build1 instead of build1. Tidy up blank lines.
13128 2006-03-29 David Edelsohn <edelsohn@gnu.org>
13130 * genemit.c (main): Add tm-constrs.h to included headers.
13131 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
13132 * genpeep.c (main): Add tm-constrs.h to included headers.
13133 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
13134 (write_tm_constrs_h): this and write complete file.
13135 (write_tm_preds_h): Do not emit satisfies_constraint fns.
13136 (write_insn_preds_c): Add tm-constrs.h to included headers.
13137 (gen_constrs): New variable.
13138 (parse_option): Parse "-c".
13139 (main): Invoke write_tm_constrs_h.
13140 * genrecog.c (write_header): Add tm-constrs.h to included headers.
13141 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
13142 (object_out_file): Add tm-constrs.h dependency.
13143 (insn-emit.o): Same.
13144 (insn-output.o): Same.
13145 (insn-peep.o): Same.
13146 (insn-preds.o): Same.
13147 (insn-recog.o): Same.
13148 (tm-constsr.h): New target.
13149 (s-constrs-h): New target.
13151 * config/rs6000/constraints.md: New file.
13152 * config/rs6000/rs6000.c: Include tm-constrs.h.
13153 (num_insn_constant_wide): Convert to satisfies_constraint.
13154 (rs6000_rtx_costs): Convert to satisfies_constraint.
13155 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
13156 (CONST_OK_FOR_LETTER_P): Delete.
13157 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13158 (EXTRA_CONSTRAINT): Delete.
13159 (EXTRA_MEMORY_CONSTRAINT): Delete.
13160 (EXTRA_ADDRESS_CONSTRAINT): Delete.
13161 * config/rs6000/predicates.md: Convert to satisfies_constraint.
13162 * config/rs6000/rs6000.md: Include constraints.md. Convert to
13163 satisfies_constraint.
13165 * config/i386/i386.c: Include tm-constrs.h.
13167 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
13169 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
13170 * tree-data-ref.c (find_data_references_in_loop,
13171 compute_data_dependences_for_loop): Use pointers to VEC.
13172 (analyze_all_data_dependences): Adjust calls.
13173 * tree-data-ref.h (find_data_references_in_loop,
13174 compute_data_dependences_for_loop): Adjust declarations.
13175 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
13176 compute_data_dependences_for_loop.
13178 2006-03-29 Paul Brook <paul@codesourcery.com>
13180 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
13181 (movdf_vfp): Ditto.
13183 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
13185 PR tree-optimization/26859
13186 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
13188 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
13189 for the step after fold_convert.
13191 2006-03-29 Paul Brook <paul@codesourcery.com>
13193 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
13194 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
13196 2006-03-29 Paul Brook <paul@codesourcery.com>
13198 PR middle-end/23623
13199 * targhooks.c (default_narrow_bitfield): New fuction.
13200 * targhooks.h (default_narrow_bitfield): add prototype.
13201 * target.h (gcc_target): Add narrow_volatile_bitfield.
13202 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
13203 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
13204 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
13205 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
13207 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
13209 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
13211 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
13212 (NR_C_MODES): Add TDmode, DDmode and SDmode.
13213 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
13214 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
13215 (s390_function_arg_float): Allow SDmode and DDmode values to be
13216 passed in floating point registers.
13217 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
13218 check with SCALAR_FLOAT_MODE_P.
13219 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
13221 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
13223 PR tree-optimization/25985
13224 * tree-ssa-loop-niter.c (number_of_iterations_le,
13225 number_of_iterations_ne): Make comments more precise.
13226 (number_of_iterations_cond): Add only_exit argument. Use the
13227 fact that signed variables do not overflow only when only_exit
13229 (loop_only_exit_p): New.
13230 (number_of_iterations_exit): Pass result of loop_only_exit_p to
13231 number_of_iterations_cond.
13233 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
13235 PR tree-optimization/26643
13236 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
13239 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
13241 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
13242 (divsi3_i4_int): Likewise.
13244 2006-03-28 Roger Sayle <roger@eyesopen.com>
13246 * expr.c (emit_group_store): Only create a new pseudo reg if the
13247 quantity it needs to hold isn't already a suitable pseudo.
13249 2006-03-28 Jeff Law <law@redhat.com>
13251 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
13252 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
13254 2006-03-28 Roger Sayle <roger@eyesopen.com>
13256 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
13257 the equivalent ~X & Y, and the symmetry related transformations.
13258 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
13259 ~X & Y, and symmetry related transforms.
13261 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13263 Revert my 2006-03-27 patches.
13265 2006-03-28 Roger Sayle <roger@eyesopen.com>
13267 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
13268 ~(T1)X, when T1 and T2 are integer types of the same precision
13269 and (T2)X isn't an extension.
13271 2006-03-28 Jeff Law <law@redhat.com>
13273 PR tree-optimization/26796
13274 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
13275 need EH edge cleanups rather than purging them immediately.
13276 (eliminate_degenerate_phis): Handle queued EH cleanups.
13278 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
13280 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
13283 2006-03-27 Roger Sayle <roger@eyesopen.com>
13285 PR middle-end/22524
13286 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
13287 cast BIT_NOT_EXPR operand to the correct type.
13289 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
13291 * tree-loop-linear.c: Don't include varray.h.
13292 (gather_interchange_stats, try_interchange_loops,
13293 linear_transform_loops): Use VEC instead of VARRAY.
13294 * lambda-mat.c: Don't include varray.h.
13295 * tree-chrec.c: Same.
13296 * lambda-trans.c: Same.
13297 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
13298 VEC instead of VARRAY.
13299 * tree-vectorizer.h: Idem.
13300 * tree-data-ref.c (dump_data_references,
13301 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
13302 initialize_data_dependence_relation, finalize_ddr_dependent,
13303 compute_all_dependences, find_data_references_in_loop,
13304 compute_data_dependences_for_loop, analyze_all_data_dependences,
13305 free_dependence_relation, free_dependence_relations,
13306 free_data_refs): Idem.
13307 * tree-data-ref.h (data_reference_p, subscript_p): New.
13308 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
13309 VEC instead of VARRAY.
13310 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
13311 (find_data_references_in_loop, compute_data_dependences_for_loop,
13312 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
13313 dump_data_dependence_relations, free_dependence_relations,
13314 free_data_refs): Adjust declaration.
13315 (lambda_transform_legal_p): Move declaration here...
13316 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
13317 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
13318 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
13319 vect_analyze_data_refs): Use VEC instead of VARRAY.
13320 * lambda.h (lambda_transform_legal_p): ...from here.
13321 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
13322 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
13323 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
13324 tree-chrec.o): Don't depend on VARRAY_H.
13326 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13328 * rtl.def (Copyright): Update date.
13329 (DEPS_LIST): Change type of the second operand to 'int'.
13330 * target.h (Copyright): Update date.
13331 (struct gcc_target.speculate_insn): Change type of the second parameter
13333 * lists.c (Copyright): Update date.
13334 (alloc_DEPS_LIST): Change signature. Update reference to the second
13335 operand of the DEPS_LIST.
13336 (copy_DEPS_LIST_list): Update reference to the second operand of the
13338 * rtl.h (Copyright): Update date.
13339 (alloc_DEPS_LIST): Update signature.
13340 * sched-int.h (Copyright): Update date.
13341 (ds_t): Change typedef to 'int'.
13342 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
13344 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13346 * haifa-sched.c (Copyright): Update date.
13347 (try_ready): Change condition to restore non-speculative pattern
13348 of the instruction.
13349 (process_insn_depend_be_in_spec): Code to keep probability of the
13350 speculative dependence non-decreasing.
13352 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
13354 * regrename.c (replace_oldest_value_addr): Initialize a variable to
13355 shut up the compiler.
13357 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
13359 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
13360 to use lib prefix for target.
13361 ($(T)libic_invalidate_array_4-200.a): Likewise.
13362 ($(T)libic_invalidate_array_4a.a): Likewise.
13364 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
13365 J"orn Rennecke <joern.rennecke@st.com>
13367 * superh.opt: New file.
13368 * sh.c (boardtype, osruntime): Remove.
13369 * superh.h (SUBTARGET_OPTIONS): Remove.
13370 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
13372 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
13373 arguments with ^ and/or [].
13375 * config.gcc (sh-*-*): Add quoting to account for quirk of
13377 Replace == with = in enable_incomplete_targets test.
13379 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
13380 with MASK_LITTLE_ENDIAN.
13382 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
13383 * config/sh/sh.opt: Added to some comments.
13384 * config/sh/superh.h: Removed some chaff.
13386 * config/sh/sh.opt: Add m4-[1234]00* options.
13387 * config/sh/sh.c (sh_handle_option): Likewise.
13388 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
13389 (ic_invalidate_array_4-100.o): New rule.
13390 ($(T)libic_invalidate_array_4-100.a): Likewise.
13391 (ic_invalidate_array_4-200.o): Likewise.
13392 ($(T)libic_invalidate_array_4-200.a): Likewise.
13393 (ic_invalidate_array_4a.o): Likewise.
13394 ($(T)libic_invalidate_array_4a.a): Likewise.
13395 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
13396 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
13398 * config/sh/crt1.asm: Merged in profiling code.
13399 * config/sh/superh.h (STARTFILE_SPEC): Override.
13400 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
13401 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
13402 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
13404 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
13405 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
13406 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
13408 * sh.opt (mpretend-cmove): New option.
13409 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
13410 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
13411 (movsicc): Add TARGET_PRETEND_CMOVE code.
13413 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
13415 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
13416 s390_class_max_nregs): New function prototypes.
13417 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
13418 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
13419 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
13420 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
13422 2006-03-26 Geoffrey Keating <geoffk@apple.com>
13424 * dwarf2out.c (add_location_or_const_value_attribute): Call
13425 tree_add_const_value_attribute if nothing else works.
13426 (reference_to_unused): New.
13427 (rtl_for_decl_init): Use reference_to_unused to decide whether
13428 to output an initializer.
13430 2006-03-27 Alan Modra <amodra@bigpond.net.au>
13433 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
13434 peephole removing spe frob_di_df_2.
13436 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
13438 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
13439 (subscript_dependence_tester_1): Declared.
13440 (print_dir_vectors, print_dist_vectors): New.
13441 (debug_data_dependence_relation): New.
13442 (dump_data_dependence_relation): Print more details.
13443 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
13444 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
13445 (save_dist_v, save_dir_v, add_outer_distances,
13446 build_classic_dist_vector_1): New.
13447 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
13448 Don't test for lambda_vector_lexico_pos.
13449 (same_access_functions, add_multivariate_self_dist,
13450 add_other_self_distances, dir_from_dist): New.
13451 (build_classic_dir_vector): Replace implementation almost identical to
13452 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
13454 (subscript_dependence_tester_1): New.
13455 (subscript_dependence_tester): Handle the lexicographically negative
13456 distance vectors by recomputing the dependence relation.
13457 (compute_affine_dependence): Remove parameter loop_nest_depth.
13458 (compute_self_dependence): Don't call compute_subscript_distance.
13459 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
13460 Add a parameter for the loop_nest.
13461 (find_loop_nest_1, find_loop_nest): New.
13462 (compute_data_dependences_for_loop): Compute the loop nest, and give
13463 up if the nest is not well formed.
13464 * tree-data-ref.h (loop_p): New.
13465 (struct data_dependence_relation): Replace size_vect field with
13466 loop_nest, a vec of loops.
13467 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
13468 (DDR_LOOP_NEST): New.
13469 (print_dir_vectors, print_dist_vectors,
13470 debug_data_dependence_relation): Declared.
13471 (index_in_loop_nest): New.
13472 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
13473 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
13476 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
13478 * simplify-rtx.c (simplify_relational_operation): Call
13479 simplify_relational_operation_1 even if mode is VOIDmode.
13481 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
13483 PR tree-optimization/26804
13484 * tree.h (DECL_CALL_CLOBBERED): New macro.
13485 (tree_decl_common): Add call_clobbered_flag.
13486 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
13487 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
13488 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
13489 (mark_non_addressable): Ditto.
13490 * tree-ssa.c (verify_call_clobbered): New function.
13491 (verify_alias_info): Use it.
13492 * tree-pass.h (pass_reset_cc_flags): New prototype.
13493 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
13494 (reset_cc_flags): New function.
13495 * passes.c (init_optimization_passes): Call reset_cc_flags after
13496 initializing referenced_vars.
13498 2006-03-25 Uros Bizjak <uros@kss-loka.si>
13499 Roger Sayle <roger@eyesopen.com>
13501 PR middle-end/26717
13502 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
13503 to 1.0 for non-real operands. Implement A / A optimization for
13506 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
13508 * config/i386/i386.c (size_cost): Correct the comment for
13509 cost of storing fp registers.
13510 (i386_cost): Likewise.
13511 (i486_cost): Likewise.
13512 (pentium_cost): Likewise.
13513 (pentiumpro_cost): Likewise.
13514 (k6_cost): Likewise.
13515 (athlon_cost): Likewise.
13516 (k8_cost): Likewise.
13517 (pentium4_cost): Likewise.
13518 (nocona_cost): Likewise.
13519 (generic64_cost): Likewise.
13520 (generic32_cost): Likewise.
13522 2006-03-24 Denis Chertykov <denisc@overta.ru>
13524 * config/avr/avr-protos.h (extra_constraint): Delete.
13525 (extra_constraint_Q): New declaration.
13526 * config/avr/constraints.md: New file.
13527 * config/avr/avr.md: Include it.
13528 (REG_X, REG_Y, REG_Z, REG_W): New constants.
13529 (TMP_REGNO, ZERO_REGNO): Likewise.
13530 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
13531 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
13532 (extra_constraint): Delete.
13533 (extra_constraint_Q): Test for memory constraint 'Q'.
13534 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
13535 (REG_CLASS_FROM_LETTER): Delete.
13536 (CONST_OK_FOR_LETTER_P): Delete.
13537 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13538 (EXTRA_CONSTRAINT): Delete.
13539 (TMP_REGNO): Delete.
13540 (ZERO_REGNO): Delete.
13542 2006-03-24 Jeff Law <law@redhat.com>
13544 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
13545 directly. Call mark_new_vars_to_rename slightly earlier.
13547 2006-03-24 Geoffrey Keating <geoffk@apple.com>
13549 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
13550 (is_cxx): Likewise.
13551 (gen_compile_unit_die): Use new language types for Objective-C and
13553 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
13554 DW_LANG_C_plus_plus.
13557 * config/t-darwin (crt3.o): Work around bug 26840.
13558 * config/darwin-crt3.c: Rewrite.
13559 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
13561 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
13563 * doc/invoke.texi: Document -femit-class-debug-always
13564 * common.opt: Add -femit-class-debug-always.
13566 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
13568 * config/s390/s390.c (s390_decompose_address): Allow SImode for
13569 index and base register.
13570 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
13571 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
13572 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
13573 REGNO_OK_FOR_INDEX_P.
13574 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
13576 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
13577 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
13578 REG_OK_FOR_BASE_P): Definitions removed.
13580 2006-03-24 Jakub Jelinek <jakub@redhat.com>
13582 PR middle-end/26611
13583 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
13584 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
13585 set yet or weren't marked as local yet.
13587 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
13589 * regrename.c (scan_rtx_address): Initialize a variable to shut up
13592 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
13594 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
13595 (rs6000_legitimate_small_data_p): Delete.
13596 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
13597 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
13598 and make static. Add forward declaration. Update uses.
13599 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
13600 of offsettable_memref_p.
13601 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
13602 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
13604 2006-03-24 Jeff Law <law@redhat.com>
13606 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
13607 around bug in immediate-use iterator.
13609 2006-03-24 Alan Modra <amodra@bigpond.net.au>
13612 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
13613 or __LITTLE_ENDIAN__.
13615 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
13617 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
13618 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
13619 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
13620 * config/sh/sh.opt (mdiv=): Amend description.
13621 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
13622 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
13623 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
13624 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
13625 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
13626 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
13627 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
13628 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
13629 TARGET_DIVIDE_CALL_FP.
13631 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13633 * haifa-sched.c (choose_ready): Fix type of the local variable.
13634 Move local variables. Add comment.
13635 (check_reg_live): Change signature. Make callable from debugger.
13636 * sched-int.h (check_reg_live): Update signature.
13637 * sched-ebb.c (check_reg_live): Update parameters.
13638 * sched-rgn.c (check_reg_live): Ditto.
13639 (region_head_or_leaf_p): Check pointer before dereferencing.
13640 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
13641 before reload on optimization levels below 1.
13643 2006-03-23 Richard Henderson <rth@redhat.com>
13645 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
13649 * config/alpha/predicates.md (local_symbolic_operand): Reject
13652 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
13655 * tree-ssa-pre.c (create_value_expr_from): Don't reject
13656 expressions which have overflowed constants.
13658 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13660 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
13662 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13664 * cfgloopmanip.c (create_loop_notes): Removed.
13665 * final.c (final_scan_insn): Do not handle loop notes.
13666 * jump.c (squeeze_notes): Ditto.
13667 * cfglayout.c (skip_insns_after_block,
13668 duplicate_insn_chain): Ditto.
13669 * cfgcleanup.c (rest_of_handle_jump2): Do not call
13671 * cfgloop.h (create_loop_notes): Declaration removed.
13673 2006-03-23 Richard Sandiford <richard@codesourcery.com>
13675 * varasm.c (output_constant_pool): Restore fnname and fndecl
13677 (assemble_start_function): Adjust call accordingly.
13678 (assemble_end_function): Likewise.
13680 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13683 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
13686 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
13688 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13691 * system.h (ICE_EXIT_CODE): New macro.
13692 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
13693 (diagnostic_action_after_output): Likewise.
13694 * gcc.c (fatal_ice): New function.
13695 (execute): Use it instead of fatal.
13696 (fancy_abort): Likewise.
13697 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
13699 2006-03-22 Jeff Law <law@redhat.com>
13701 * loop-unroll.c (analyze_iv_to_split_insn): Handle
13702 iv_analyze_result returning false.
13704 2006-03-22 Jie Zhang <jie.zhang@analog.com>
13706 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
13708 2006-03-22 Richard Henderson <rth@redhat.com>
13710 PR middle-end/26084
13711 * except.c (duplicate_eh_regions_0): New.
13712 (duplicate_eh_region_1): Duplicate the children of the node as
13713 well as the node itself. Link them up properly.
13714 (duplicate_eh_region_2): Merge into ...
13715 (duplicate_eh_regions): ... here. Take copy_region argument, and
13716 copy only a sub-tree if asked. Simplify copying and fixup.
13717 (eh_region_outer_p): New.
13718 * except.h (duplicate_eh_regions): Update decl.
13719 (eh_region_outer_p): Declare.
13720 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
13721 (lower_omp_master): Likewise.
13722 (lower_omp_ordered): Likewise.
13723 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
13724 (move_stmt_r): Use it to remap labels. Handle recursion vs
13725 remap_decls_p properly.
13726 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
13727 (find_outermost_region_in_block): New.
13728 (new_label_mapper): New.
13729 (move_sese_region_to_fn): Copy eh information to the new function
13731 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
13733 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
13736 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13738 * doc/md.texi (-mshared): Mention that -mshared code can be linked
13739 into shared libraries.
13741 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13743 * doc/md.texi: Refer to i386/constraints.md instead of
13744 i386/predicates.md.
13745 * config/i386/constraints.md: New file, extracted from...
13746 * config/i386/predicates.md: ...here.
13747 * config/i386/i386.md: Include constraints.md.
13749 2006-03-21 Jason Merrill <jason@redhat.com>
13751 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
13753 PR middle-end/20297
13754 * expr.c (init_block_move_fn): Force default visibility.
13755 (init_block_clear_fn): Likewise.
13756 * builtins.c (expand_builtin_fork_or_exec): Likewise.
13757 * targhooks.c (default_external_stack_protect_fail): Likewise.
13759 2006-03-21 Richard Sandiford <richard@codesourcery.com>
13761 * config/mips/predicates.md (const_call_insn_operand): Allow direct
13762 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
13763 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
13764 Use TARGET_OLDABI instead of !TARGET_NEWABI.
13765 (loadgp): Use mips_current_loadgp_style.
13766 (loadgp_noshared): New pattern.
13767 (sibcall_internal): Use MIPS_CALL.
13768 (sibcall_value_internal): Likewise.
13769 (sibcall_value_multiple_internal): Likewise.
13770 (call_internal): Likewise.
13771 (call_value_internal): Likewise.
13772 (call_value_multiple_internal): Likewise.
13773 (call_split): Use MIPS_CALL and add an 'S' constraint.
13774 (call_value_split): Likewise.
13775 (call_value_multiple_split): Likewise.
13776 * config/mips/mips.opt (-mabicalls): Tweak docstring.
13777 (-mshared): New option.
13778 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
13779 (mips_current_loadgp_style): Declare.
13780 * config/mips/mips.c (mips_classify_symbol): Avoid using
13781 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
13782 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
13783 TARGET_ABSOLUTE_ABICALLS.
13784 (override_options): Adjust comments. Improve the warning that is
13785 issued when -mabicalls and -G are used together.
13786 (mips_file_start): Remove comment.
13787 (mips_current_loadgp_style): New function.
13788 (mips_gnu_local_gp): New variable.
13789 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
13791 (mips_output_function_prologue): Use mips_current_laodgp_style.
13792 (mips_expand_prologue): Call mips_emit_loadgp before emitting
13793 the cprestore instruction.
13794 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
13795 live for TARGET_ABSOLUTE_ABICALLS.
13796 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
13797 (ASM_SPEC): Pass down -mshared and -mno-shared.
13798 (MIPS_CALL): New macro.
13799 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
13801 * doc/invoke.texi (-mabicalls): Update documentation.
13802 (-mshared): Document.
13804 2006-03-21 Steve Ellcey <sje@cup.hp.com>
13806 * config/ia64/unwind-hpux.c: New file.
13807 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
13809 2006-03-21 Steve Ellcey <sje@cup.hp.com>
13812 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
13814 2006-03-21 Jeff Law <law@redhat.com>
13816 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
13817 type conversions of a VR_VARYING source to a wider type.
13819 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
13821 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
13822 tm_file on Solaris 10 and later.
13823 (sparc64-*-solaris2*): Likewise.
13824 (sparc-*-solaris2*): Likewise.
13825 * config/sol26.h: Rename to config/sol2-6.h.
13826 * config/sol2-10.h: New file.
13828 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
13831 * tree-ssa-pre.c (create_component_ref_by_pieces):
13834 2006-03-21 Jakub Jelinek <jakub@redhat.com>
13837 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
13838 return it immediately.
13840 2006-03-21 Michael Matz <matz@suse.de>
13842 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
13844 (remove_arc, add_arc): Update num_out_arcs member.
13845 (set_out_arc_insns_equiv_num): Returns nothing instead of number
13847 (cache_presence): New function.
13848 (compare_states_for_equiv): New function.
13849 (state_is_differed): Don't take number of outargs, adjust callers.
13850 Use new invariant for speeding up.
13851 (init_equiv_class): Create initial classes based on sorted
13853 (partition_equiv_class): Don't track out_arcs_num.
13854 (evaluate_equiv_classes): Call cache_presence on all states and
13857 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
13859 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
13860 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
13861 (bfin_valid_reg_p): Test for pseudos explicitly and use only
13862 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
13864 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
13865 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
13866 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
13867 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
13868 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
13870 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
13871 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
13872 (REGNO_REG_CLASS): ARGP is in PREGS.
13873 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
13875 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
13876 to deal with those addresses.
13877 * addresses.h: New file.
13878 * caller-save.c: Include "addresses.h".
13879 (init_caller_save): Use new base_reg_class function.
13880 * rtl-factoring.c: Include "addresses.h".
13881 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
13882 * recog.c: Include "addresses.h".
13883 (preprocess_constraints): Use new base_reg_class function.
13884 * regrename.c: Include "addresses.h".
13885 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
13886 functions. Keep track of a new var INDEX_CODE to compute valid
13888 (replace_oldest_value_addr): Likewise.
13889 (replace_oldest_value_mem): Use base_reg_class.
13890 * reload.c: Include "addresses.h".
13891 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
13892 (find_reloads): Use new base_reg_class function.
13893 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
13894 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
13895 all callers and prototype changed.
13896 * reload1.c: Include "addresses.h".
13897 (maybe_fix_stack_asms): Use base_reg_class.
13898 * regclass.c: Include "addresses.h".
13899 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
13900 (init_reg_autoinc): Use new base_reg_class function.
13901 (record_reg_classes): Likewise.
13902 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
13903 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
13904 Use new args to compute necessary class.
13906 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
13907 regrename.o, rtl-factoring.o): Update dependencies.
13908 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
13909 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
13910 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
13911 REG_OK_FOR_INDEX_P): Delete documentation.
13913 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
13915 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
13916 from V7 to V9 for Solaris 7 and above.
13918 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
13920 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
13921 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
13922 argument pointers may not alias any other storage.
13923 * common.opt: Define option -fargument-noalias-anything.
13924 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
13925 alias semantics is specified by flag_argument_noalias > 2.
13927 2006-03-20 Jeff Law <law@redhat.com>
13929 * tree-pass.h (pass_phi_only_copy_prop): Delete.
13930 (pass_phi_only_cprop): Declare.
13931 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
13932 with phi_only_cprop
13933 * tree-ssa-dom.c (degenerate_phi_result): New function.
13934 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
13935 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
13936 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
13937 (eliminate_degenerate_phis): Likewise.
13938 (pass_phi_only_cprop): New pass descriptor.
13939 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
13940 support code. Callers updated.
13941 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
13942 (store_copy_prop): Likewise.
13943 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
13945 2006-03-20 Jason Merrill <jason@redhat.com>
13948 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
13949 (push_visibility, pop_visibility): Likewise.
13950 * c-pragma.h: Declare them.
13952 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
13954 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
13956 * config/sh/sh.c (find_regmode_weight): Change the type of the first
13957 parameter and use get_ebb_head_tail.
13958 (sh_md_init_global): Adjust uses of find_regmode_weight.
13960 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
13962 * function.h (struct function) <x_tail_recursion_reentry>:
13963 Rename to x_stack_check_probe_note.
13964 (tail_recursion_reentry): Rename to stack_check_probe_note.
13965 * function.c: Replace tail_recursion_reentry with
13966 stack_check_probe_note everywhere.
13967 (expand_function_start): Only emit a note for
13968 stack_check_probe_note with -fstack-protect.
13969 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
13971 * emit-rtl.c (remove_unnecessary_notes): Remove.
13972 (pass_remove_unnecessary_notes): Remove.
13973 * rtl.h (remove_unnecessary_notes): Remove prototype.
13974 * final.c (final_start_function): Don't call remove_unnecessary_notes.
13975 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
13976 * passes.c (pass_remove_unnecessary_notes): Don't run it.
13978 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
13981 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
13982 (valid_in_set): Handle ARRAY_REF.
13983 Change "if min_variant or VH" to asserts.
13984 (create_component_ref_by_pieces): Handle ARRAY_REF.
13985 (create_expression_by_pieces): Likewise.
13986 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
13988 2006-03-20 David Edelsohn <edelsohn@gnu.org>
13990 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
13991 is operand of switch, not str[0].
13993 2006-03-20 Alan Modra <amodra@bigpond.net.au>
13995 * config/rs6000/rs6000.c (rs6000_handle_option): Use
13996 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
13998 2006-03-19 David Edelsohn <edelsohn@gnu.org>
14000 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
14001 end of insn_extra_address_constraint declaration.
14003 2006-03-19 David Edelsohn <edelsohn@gnu.org>
14005 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
14006 (no-sum-in-toc): Same.
14007 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
14009 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
14010 NO_FP_IN_TOC for -fPIC instead of mask.
14012 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
14013 (BOOT_LDFLAGS): Delete.
14015 * config/rs6000/t-aix52: Same.
14017 * config/rs6000/rs6000.md (store_multiple_power): Delete.
14018 (stmsi[345678]_power): New.
14020 2006-03-17 Steve Ellcey <sje@cup.hp.com>
14022 * config/ia64/ia64.opt: Add empty line to end of file.
14024 2006-03-17 Richard Guenther <rguenther@suse.de>
14026 PR middle-end/26721
14027 * builtins.c (get_pointer_alignment): For component style references
14028 adjust alignment to the component type alignment. Make sure
14029 to adjust alignment for component access of constants.
14031 2006-03-17 David Edelsohn <edelsohn@gnu.org>
14033 * config/rs6000/rs6000.md (strlensi): Emit barrier after
14034 unconditional jump.
14036 2006-03-17 Paul Brook <paul@codesourcery.com>
14038 * doc/install.texi: Docuemnt --with-mode.
14039 * config.gcc: Add --with-mode for arm*-*-*.
14040 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
14042 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
14044 * sh.c (max_labelno_before_reorg): New variable.
14045 (sh_reorg): Initialize it.
14046 (find_barrier): Check max_labelno_before_reorg before using
14047 label_to_alignment. Take length of explicit alignment insns
14048 into account. When seeing a UNSPECV_CONST_END, return it.
14050 * sh.c (fixup_mova): Set mode of affected label to QImode.
14051 (untangle_mova): New function.
14052 (find_barrier): Use it. Check mode of label before decrementing
14054 (sh_reorg): Likewise.
14055 Set mode of all insns back to VOIDmode.
14057 * sh.c (MOVA_LABELREF): New macro.
14058 (mova_p, fixup_mova, sh_reorg): Use it.
14059 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
14060 ADDR_DIFF_VEC matches mova.
14062 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
14064 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
14065 with ATTRIBUTE_UNUSED.
14067 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
14069 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
14070 pointer, instead of assuming it is possible to derive the
14071 correct args size from a call insn.
14073 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14075 * rtl.h (CONST_INT_P): Define.
14076 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
14077 instead of GET_CODE(x) == CONST_INT.
14078 (vax_rtx_costs): Likewise.
14079 (vax_output_int_move): Likewise.
14080 (vax_output_int_add): Likewise.
14081 (legitimate_constant_address_p): Likewise.
14082 (index_term_p): Likewise.
14083 * config/vax/vax.h (PRINT_OPERAND): Likewise.
14084 * config/vax/vax.md (and<mode>3): Likewise.
14085 (ashrsi3): Likewise.
14087 (movstricthi): Likewise.
14088 (movstrictqi): Likewise.
14089 (rotrsi3): Likewise.
14090 (five unnamed insns): Likewise.
14092 2006-03-16 Geoffrey Keating <geoffk@apple.com>
14094 * doc/tm.texi (SDB and DWARF): Add extra parameter to
14095 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
14096 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
14097 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
14098 Pass to ASM_OUTPUT_DWARF_OFFSET.
14099 * dwarf2out.c (debug_frame_section): New.
14100 (output_call_frame_info): Use debug_frame_section. Pass it to
14101 dw2_asm_output_offset.
14102 (output_die): Pass appropriate section to dw2_asm_output_offset.
14103 (output_compilation_unit_header): Likewise.
14104 (output_pubnames): Likewise.
14105 (output_aranges): Likewise.
14106 (enum dw_val_class): Break dw_val_class_lbl_offset into
14107 dw_val_class_lineptr and dw_val_class_macptr.
14108 (add_AT_lbl_offset): Delete.
14109 (add_AT_lineptr): New.
14110 (add_AT_macptr): New.
14111 (AT_lbl): Expect a lineptr or macptr.
14112 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
14113 (attr_checksum): Likewise.
14114 (same_dw_val_p): Likewise.
14115 (size_of_die): Likewise.
14116 (value_format): Likewise.
14117 (output_die): Likewise.
14118 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
14120 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
14121 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
14122 * config/darwin-protos.h (darwin_file_start): New.
14123 (darwin_asm_output_dwarf_offset): New.
14124 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
14125 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
14127 * config/darwin.c (darwin_emit_unwind_label): Don't output label
14128 if not EH section; simplify.
14129 (darwin_file_start): New.
14130 (darwin_asm_output_dwarf_offset): New.
14131 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
14133 (DEBUG_INFO_SECTION): Likewise.
14134 (DEBUG_ABBREV_SECTION): Likewise.
14135 (DEBUG_ARANGES_SECTION): Likewise.
14136 (DEBUG_MACINFO_SECTION): Likewise.
14137 (DEBUG_LINE_SECTION): Likewise.
14138 (DEBUG_LOC_SECTION): Likewise.
14139 (DEBUG_PUBNAMES_SECTION): Likewise.
14140 (DEBUG_STR_SECTION): Likewise.
14141 (DEBUG_RANGES_SECTION): Likewise.
14142 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
14143 (ASM_OUTPUT_DWARF_OFFSET): New.
14145 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
14147 * config.gcc (tm_defines): Always add to previous value rather
14150 2006-03-16 Richard Sandiford <richard@codesourcery.com>
14152 * config/mips/predicates.md (splittable_const_int_operand): New,
14153 split from move_operand.
14154 (splittable_symbolic_operand): New.
14155 (move_operand): Add commentary. Use splittable_const_int_operand.
14156 Inline mips_atomic_symbolic_constant_p.
14157 * config/mips/mips.md: Add combine splitters for handling moves
14158 of splittable_const_int_operands and splittable_symbolic_operands.
14159 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
14160 (mips_split_symbol): Declare.
14161 (mips_move_integer): Declare.
14162 * config/mips/mips.c (mips_split_p): Make global.
14163 (TARGET_MIN_ANCHOR_OFFSET): Override default.
14164 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14165 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14166 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
14167 (mips_offset_within_object_p): Handle block symbols.
14168 (mips_atomic_symbolic_constant_p): Delete.
14169 (mips_cannot_force_const_mem): Return false for constants that
14170 mips_legitimize_move can handle.
14171 (mips_use_blocks_for_constant_p): New function.
14172 (mips_split_symbol): Make global.
14173 (mips_move_integer): Likewise. Add a temporary register argument.
14174 (mips_legitimize_const_move): Use splittable_const_int_operand and
14175 splittable_symbolic_operand.
14176 (mips_use_anchors_for_symbol_p): New function.
14177 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
14178 (mips_split_p): Declare.
14180 2006-03-16 Richard Sandiford <richard@codesourcery.com>
14182 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
14183 (mips*-*-linux*): Likewise.
14185 2006-03-16 Roger Sayle <roger@eyesopen.com>
14186 Daniel Speyer <dspeyer@wam.umd.edu>
14188 PR middle-end/18259
14189 * tree-dump.c (dump_real): New function.
14190 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
14191 * Makefile.in (REAL_H): New macro for dependencies on real.h.
14192 (tree-dump.o): Add $(REAL_H) to the dependencies.
14194 2006-03-16 Roger Sayle <roger@eyesopen.com>
14196 PR middle-end/21781
14197 * real.c (real_from_string): If the mantissa is zero, don't bother
14198 parsing the exponent as the result should always be zero.
14200 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
14202 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
14204 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14206 * config/ia64/ia64.c (stops_p): Added explicit initialization.
14207 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
14208 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
14209 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
14210 ia64_sched_finish_global): New static functions to implement
14211 hooks from gcc_target.sched.
14212 (spec_check_no, max_uid, pending_data_specs): New static variables.
14213 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
14214 ia64_spec_check_src_p): New static functions.
14215 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
14216 (TARGET_SCHED_ADJUST_COST): Removed.
14217 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
14218 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
14219 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14220 TARGET_SCHED_GEN_CHECK,
14221 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14222 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
14223 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
14224 Fixed to handle speculation checks.
14225 (rtx_needs_barrier): Fixed to handle speculative loads and
14227 (ia64_variable_issue): Added code to count speculative loads and their
14229 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
14231 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
14233 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
14235 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
14236 (ia64_reorg): Reset stops_p to NULL after it is freed.
14237 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
14238 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
14239 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
14241 (data_speculative, control_speculative, check_load): New attributes.
14242 (mov<mode>_advanced, mov<mode>_speculative,
14243 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
14244 zero_extend<mode>di2_speculative,
14245 zero_extend<mode>di2_speculative_advanced): New patterns for
14246 data and control speculative loads.
14247 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
14249 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
14250 New pattern for data and control speculation checks.
14251 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
14252 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
14253 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
14254 Auxiliary definitions for the patterns.
14255 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
14256 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
14258 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
14260 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
14261 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
14262 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
14263 New resource constraints.
14264 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
14266 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
14267 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
14268 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
14269 msched-in-control-spec, msched-ldc, msched-control-ldc,
14270 msched-spec-verbose, msched-prefer-non-data-spec-insns,
14271 msched-prefer-non-control-spec-insns,
14272 msched-count-spec-in-critical-path): New flags to tune speculative
14274 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
14275 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
14276 msched-in-control-spec, msched-ldc, msched-control-ldc,
14277 msched-spec-verbose, msched-prefer-non-data-spec-insns,
14278 msched-prefer-non-control-spec-insns,
14279 msched-count-spec-in-critical-path): Document new flags.
14281 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14283 * target.h (struct spec_info_def): New opaque declaration.
14284 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
14285 speculate_insn, needs_block_p, gen_check,
14286 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
14287 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
14288 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
14289 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
14290 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14291 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
14293 (TARGET_SCHED): Use new macros.
14294 * rtl.h (copy_DEPS_LIST_list): New prototype.
14295 * sched-int.h (struct sched_info): Change signature of new_ready field,
14296 adjust all initializations. New fields: add_remove_insn,
14297 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
14298 region_head_or_leaf_p.
14299 (struct spec_info_def): New structure declaration.
14300 (spec_info_t): New typedef.
14301 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
14302 recovery_block, orig_pat.
14303 (glat_start, glat_end): New variables declaraions.
14304 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
14306 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
14307 DETACH_LIFE_INFO, USE_GLAT.
14308 (enum SPEC_SCHED_FLAGS): New enumeration.
14309 (NOTE_NOTE_BB_P): New macro.
14310 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
14311 attach_life_info, debug_spec_status, check_reg_live): New functions.
14312 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
14313 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
14315 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
14316 * ddg.c (get_block_head_tail): Adjust all uses.
14317 * modulo-sched.c (get_block_head_tail): Adjust all uses.
14318 (sms_sched_info): Initialize new fields.
14319 (contributes_to_priority): Removed.
14320 * haifa-sched.c (params.h): New include.
14321 (get_block_head_tail): Adjust all uses.
14322 (ISSUE_POINTS): New macro.
14323 (glat_start, glat_end): New global variables.
14324 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
14325 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
14326 old_last_basic_block, before_recovery, current_sched_info_var,
14327 rgn_n_insns, luid): New static variables.
14328 (insn_cost1): New function. Move logic from insn_cost to here.
14329 (find_insn_reg_weight1): New function. Move logic from
14330 find_insn_reg_weight to here.
14331 (reemit_notes, move_insn, max_issue): Change signature.
14332 (move_insn1): Removed.
14333 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
14334 extend_bb): New static functions to support extension of scheduler's
14336 (generate_recovery_code, process_insn_depend_be_in_spec,
14337 begin_speculative_block, add_to_speculative_block,
14338 init_before_recovery, create_recovery_block, create_check_block_twin,
14339 fix_recovery_deps): New static functions to support
14340 generation of recovery code.
14341 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
14342 restore_bb_notes, move_block_after_check, move_succs): New static
14343 functions to support ebb scheduling.
14344 (init_glat, init_glat1, attach_life_info1, free_glat): New static
14345 functions to support handling of register live information.
14346 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
14347 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
14348 add_jump_dependencies): New static functions.
14349 (check_cfg, has_edge_p, check_sched_flags): New static functions for
14350 consistancy checking.
14351 (debug_spec_status): New function to call from debugger.
14352 (priority): Added code to handle speculation checks.
14353 (rank_for_schedule): Added code to distinguish speculative instructions.
14354 (schedule_insn): Added code to handle speculation checks.
14355 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
14356 Fixed to handle ebbs.
14357 (move_insn): Added code to handle ebb scheduling.
14358 (max_issue): Added code to use ISSUE_POINTS of instructions.
14359 (choose_ready): Added code to choose between speculative and
14360 non-speculative instructions.
14361 (schedule_block): Added code to handle ebb scheduling and scheduling of
14362 speculative instructions.
14363 (sched_init): Initialize new variables.
14364 (sched_finish): Free new variables. Print statistics.
14365 (try_ready): Added code to handle speculative instructions.
14366 * lists.c (copy_DEPS_LIST_list): New function.
14367 * sched-deps.c (extend_dependency_caches): New function. Move logic
14368 from create_dependency_caches to here.
14369 (get_dep_weak, ds_merge): Make global.
14370 * genattr.c (main): Code to output prototype for
14371 dfa_clear_single_insn_cache.
14372 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
14373 (output_dfa_clean_insn_cache_func): Code to output
14374 dfa_clear_single_insn_cache function.
14375 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
14377 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
14379 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
14380 New static variables.
14381 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
14382 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
14384 (ebb_sched_info): Initialize new fields.
14385 (get_block_head_tail): Adjust all uses.
14386 (compute_jump_reg_dependencies): Fixed to use glat_start.
14387 (schedule_ebb): Code to remove unreachable last block.
14388 (schedule_ebbs): Added code to update register live information.
14389 * sched-rgn.c (region_sched_info): Initialize new fields.
14390 (get_block_head_tail): Adjust all uses.
14391 (last_was_jump): Removed. Adjust users.
14392 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
14393 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
14394 Implement new hooks.
14395 (check_dead_notes1): New static function.
14396 (struct region): New fields: dont_calc_deps, has_real_ebb.
14397 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
14398 (BB_TO_BLOCK): Fixed to handle EBBs.
14399 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
14400 (ebb_head): New static variable.
14401 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
14402 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
14404 (compute_dom_prob_ps): New assertion.
14405 (check_live_1, update_live_1): Fixed to work with glat_start instead of
14406 global_live_at_start.
14407 (init_ready_list): New assertions.
14408 (can_schedule_ready_p): Split update code to begin_schedule_ready.
14409 (new_ready): Add support for BEGIN_CONTROL speculation.
14410 (schedule_insns): Fixed code that updates register live information
14412 (schedule_region): Fixed to handle EBBs.
14413 (init_regions): Use extend_regions and check_dead_notes1.
14414 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
14415 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
14416 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
14417 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14418 TARGET_SCHED_GEN_CHECK,
14419 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14420 TARGET_SCHED_SET_SCHED_FLAGS): Document.
14421 * doc/invoke.texi (max-sched-insn-conflict-delay,
14422 sched-spec-prob-cutoff): Document.
14424 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14426 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
14427 inter_tick, queue_index.
14428 (struct sched_info): Change signature of init_ready_list field.
14429 Adjust all initializations.
14430 (RESOLVED_DEPS): New access macro.
14431 (ready_add): Remove prototype.
14432 (try_ready): Add prototype.
14433 * sched-rgn.c (init_ready_list): Use try_ready.
14434 (schedule_region): Initialize
14435 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
14436 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
14437 (init_ready_list): Use try_ready.
14438 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
14439 * lists.c (remove_list_elem): Remove `static'.
14440 (remove_free_INSN_LIST_elem): New function.
14441 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
14442 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
14443 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
14445 (readyp): New variable.
14446 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
14447 change_queue_index, resolve_dep): New static functions.
14448 (try_ready): New function. Adjust callers in sched-rgn.c and
14449 sched-ebb.c to use it instead of ready_add.
14450 (clock_var): Move at the begining of file.
14451 (rank_for_schedule): Fix typo.
14452 (queue_insn): Add assertion. Handle QUEUE_INDEX.
14453 (ready_lastpos): Enforce assertion.
14454 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
14455 update all callers.
14456 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
14457 (schedule_insn): Rewrite to use try_ready and resolve_dep.
14458 (queue_to_ready): Use free_INSN_LIST_list.
14459 (early_queue_to_ready): Fix typo.
14460 (schedule_block): Init readyp. Move init_ready_list call after the
14461 initialization of clock_var. Fix error in rejecting insn by
14462 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
14463 that previously corrected INSN_TICKs. Add code for handling
14465 (set_priorities): Fix typo.
14466 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
14467 Clarify comment and code that keeps current_sched_info->next_tail
14470 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14472 * sched-rgn.c (extend_rgns): New static function.
14473 (find_rgns): Use it.
14474 (gather_region_statistics, print_region_statistics): New static
14476 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
14477 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
14479 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14480 Andrey Belevantsev <abel@ispras.ru>
14482 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
14483 * lists.c (unused_deps_list): New variable.
14484 (free_list): Add assertions to verify the proper distinguishing
14485 between INSN_LISTs and DEPS_LISTs.
14486 (find_list_elem, remove_list_elem, remove_list_node): New static
14488 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
14489 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
14490 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
14491 (alloc_INSN_LIST): Assert that the list we're working on is indeed
14493 (free_INSN_LIST_node): Likewise.
14494 * modulo-sched.c (current_sched_info): Initialize flags field.
14495 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
14496 * rtl.def (DEPS_LIST): Define.
14497 * rtl.h: Declare new functions from lists.c.
14498 * sched-deps.c (spec_dependency_cache): New static variable.
14499 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
14500 (add_dependence): Change return type to void. Move the logic to ...
14501 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
14502 (delete_all_dependences): Add comment about forward_dependency_cache.
14503 Handle spec_dependency_cache. Handle DEPS_LISTs.
14504 (fixup_sched_groups): Clarify the change of priority of output
14505 and anti dependencies.
14506 (sched_analyze_2): Adjust add_dependence calls to create data
14507 speculative dependence.
14508 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
14509 Adjust all callers. Handle DEPS_LISTS.
14510 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
14511 presence of speculation.
14512 (init_dependency_caches, free_dependency_caches):
14513 Handle spec_dependency_cache.
14514 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
14515 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
14516 New static functions.
14517 (add_or_update_back_dep, add_or_update_back_forw_dep,
14518 add_back_forw_dep, delete_back_forw_dep): New functions.
14519 * sched-int.h (ds_t, dw_t): New typedefs.
14520 (struct sched_info): Add new field flags.
14521 (struct haifa_insn_data): Add new bitfield has_internal_dep.
14522 Prototype new sched-deps.c functions.
14523 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
14524 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
14525 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
14526 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
14527 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
14528 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
14530 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
14532 * sched-rgn.c (current_sched_info): Initialize flags field.
14533 (schedule_insns): Initialize current_sched_info before the sched_init
14535 * sched-ebb.c (current_sched_info): Initialize flags field.
14536 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
14537 Call add_or_update_back_dep instead of add_dependence.
14538 Create control speculative dependencies.
14539 (schedule_insns): Initialize current_sched_info before the sched_init
14542 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
14544 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
14546 (sh_fallback_frame_state): Likewise.
14548 2006-03-15 Geoffrey Keating <geoffk@apple.com>
14550 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
14551 Do switch on default_use_cxa_atexit.
14552 (powerpc*-*-darwin*): Build crt2.o on powerpc.
14553 * config/darwin-crt3.o: New.
14554 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
14555 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
14556 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
14558 * config/rs6000/t-darwin: Move crt2.o building to here.
14559 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
14560 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
14563 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14565 * config/vax/vax.c (nonindexed_address_p): Change logical negation
14566 from '! xxx' to '!xxx' for coding-style conformance.
14567 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
14568 (EXTRA_CONSTRAINT): Likewise.
14569 * config/vax/vax.md (four unnamed insns): Likewise.
14571 2006-03-15 Paul Brook <paul@codesourcery.com>
14573 * config/arm/arm.c (minipool_pad): New.
14574 (add_minipool_forward_ref): Include pool alignment padding in address
14576 (push_minipool_fix): Set minipool_pad.
14577 (minipool_pad): Ditto.
14579 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14581 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
14582 instead of GET_CODE() == MEM and REG_P() instead of
14584 (print_operand_address): Likewise.
14585 (vax_address_cost): Likewise.
14586 (vax_rtx_costs): Likewise.
14587 (vax_notice_update_cc): Likewise.
14588 (vax_output_int_add): Likewise.
14589 (INDEX_REGISTER_P): Likewise.
14590 (BASE_REGISTER_P): Likewise.
14591 (nonindexed_address_p): Likewise.
14592 (vax_mode_dependent_address_p): Likewise.
14593 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
14594 (PRINT_OPERAND): Likewise.
14595 * config/vax/vax.md (ashlsi3): Likewise.
14596 (ashlsi3): Likewise.
14597 (some more unnamed insns): Likewise.
14599 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
14601 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
14602 iterator-style macro.
14603 (mark_control_dependent_edges_necessary): Update the use of
14604 EXECUTE_IF_CONTROL_DEPENDENT.
14606 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
14608 * config/sh/predicates.md (cache_address_operand): Special.
14609 (ua_address_operand): Likewise.
14611 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
14613 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
14615 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
14617 2006-03-15 Andreas Schwab <schwab@suse.de>
14619 * gensupport.c (identify_predicable_attribute): Don't free p_false
14620 when it is still in use.
14622 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
14624 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
14625 the default setting here.
14627 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
14629 * tree-pass.h (pass_cfg): Remove.
14630 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
14631 * passes.c (pass_cfg): Don't run it.
14633 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
14635 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
14636 * reg-stack.c (stack_regs_mentioned_data): Change the type to
14638 (stack_regs_mentioned): Update the uses of
14639 stack_regs_mentioned_data. Don't access the array beyond its
14641 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
14642 Don't include gt-reg-stack.h.
14644 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
14645 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
14647 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
14649 PR middle-end/26684
14650 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
14653 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14655 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
14657 2006-03-14 Richard Guenther <rguenther@suse.de>
14659 PR tree-optimization/26672
14660 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
14663 2006-03-14 Richard Guenther <rguenther@suse.de>
14665 PR tree-optimization/26667
14666 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
14667 node for the callees. Always allow inlining if it will shrink
14670 2006-03-14 Richard Guenther <rguenther@suse.de>
14672 PR middle-end/26659
14673 * builtins.c (get_pointer_alignment): Prefer alignment
14674 information from decls over that from types.
14676 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
14679 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
14681 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
14683 * config/rs6000/rs6000.opt (mdlmzb): New option.
14684 (msched-prolog, msched-epilog): Use Var not Mask.
14685 * doc/invoke.texi (-mdlmzb): Document.
14686 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
14688 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
14689 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
14691 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
14693 PR rtl-optimization/25739
14694 * bt-load.c (augment_live_range): Free tos pointer.
14696 * gensupport.c (identify_predicable_attribute): Free
14698 * gcov.c (create_file_names): Free name pointer.
14700 2006-03-13 Roger Sayle <roger@eyesopen.com>
14702 PR middle-end/26557
14703 * stmt.c (emit_case_nodes): Handle the case where the index is a
14704 CONST_INT, where the comparison mode is specified by the index type.
14706 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14708 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
14711 2006-03-13 Richard Sandiford <richard@codesourcery.com>
14713 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
14714 (*branch_fp_inverted): Likewise.
14716 2006-03-13 Jakub Jelinek <jakub@redhat.com>
14718 PR middle-end/25989
14719 * omp-low.c (expand_omp_for_generic): Mark istart0
14720 and iend0 as addressable.
14722 2006-03-13 Jie Zhang <jie.zhang@analog.com>
14724 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
14726 2006-03-13 Jeff Law <law@redhat.com>
14728 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
14729 virtual operands are interesting.
14730 (vrp_visit_stmt): Corresponding changes.
14732 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
14734 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
14736 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
14737 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
14738 * config/bfin/crti.S: Use it instead of __PIC__.
14739 * config/bfin/crtn.S: Likewise.
14741 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
14742 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
14744 Lose 'G' modifier for call operand.
14745 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
14746 recognize 'G' modifier.
14748 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
14750 PR middle-end/18859
14751 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
14752 * stmt.c (expand_case): Likewise.
14754 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14756 PR rtl-optimization/26254
14757 * loop-invariant.c (seq_insns_valid_p): New function.
14758 (move_invariant_reg): Only emit new code if it is valid.
14760 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14762 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
14764 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
14765 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
14766 (commit_one_edge_insertion): Do not look for loop notes.
14768 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14770 * jump.c (follow_jumps): Do not check for loop notes. Move check for
14771 flag_test_coverage out of loop.
14773 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14775 * final.c (shorten_branches): Remove outdated comment, and turn
14776 the if branch that guards it to continue.
14778 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14780 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
14781 * cfgloop.h (struct loop): Remove unused fields.
14783 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
14785 * doc/invoke.texi (-fdump-rtl-loop): Remove.
14786 (-dL, -fdump-rtl-loop2): Update the dump file names
14788 * doc/invoke.texi: Update dump file names.
14790 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
14792 * predict.c (estimate_probability): Remove.
14793 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
14794 * basic-block.h (estimate_probability): Remove prototype.
14795 * passes.c (finish_optimization_passes): Dump branch prediction or
14796 profiling heuristics to the .profile tree dump.
14797 (init_optimization_passes): Unqueue pass_branch_prob.
14799 * doc/invoke.texi (-fdump-rtl-bp): Remove.
14801 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
14803 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
14804 * rtl.h (LABEL_NEXTREF): Remove field accessor.
14806 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
14808 * function.h (frame_offset_overflow): Declare.
14809 * function.c (frame_offset_overflow): New function.
14810 (assign_stack_local_1): Call it to detect that the offset overflows.
14811 * cfgexpand.c (alloc_stack_frame_space): Likewise.
14813 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
14815 * config/sh/sh.c: Include alloc-pool.h.
14816 (label_ref_list_pool): New alloc pool.
14817 (label_ref_list_t): New type for lists of labels.
14818 (struct pool_node): Make wend a label_ref_list_t.
14819 (add_constant): Use the new type, eradicate LABEL_NEXTREF
14821 (dump_table): Likewise.
14822 (sh_reorg): Set up the alloc pool before using add_constant and
14823 dump_table, and destroy it when finishing.
14825 2006-03-11 Richard Sandiford <richard@codesourcery.com>
14827 * config/mips/mips.c: Remove redundant comment.
14829 2006-03-10 Jason Merrill <jason@redhat.com>
14832 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
14833 the target was declared 'register'.
14835 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
14837 * genpreds.c (write_insn_constraint_len): Change definition of
14838 insn_constraint_len to return size_t to match the declaration.
14840 2006-03-10 DJ Delorie <dj@redhat.com>
14842 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
14844 (m32c_expand_insv): Fix test for an AND mask.
14846 2006-03-10 Richard Guenther <rguenther@suse.de>
14848 PR middle-end/26565
14849 * builtins.c (get_pointer_alignment): Handle component
14850 references for field alignment.
14852 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
14854 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
14855 when building with libgloss.
14856 (sh*elf): Implement --without-fp option.
14857 (sh64-superh-linux*): Don't multilib.
14859 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
14861 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
14863 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
14865 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
14866 Set it when one of the replacement functions returned true.
14867 Return TODO_cleanup_cfg if cfgchanged is true.
14868 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
14870 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
14872 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
14873 instead of gen_lowpart.
14875 2006-03-09 Richard Sandiford <richard@codesourcery.com>
14877 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
14879 (mips_output_order_conditional_branch): Declare.
14880 * config/mips/mips.h (MIPS_BRANCH): New macro.
14881 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
14882 for the comparison. Use gen_condjump.
14883 (mips_output_conditional_branch): Rework interface to take the
14884 asm templates for a direct branch and the inverse of a direct branch.
14885 (mips_output_order_conditional_branch): New function.
14886 (mips_builtin_branch_and_move): New function.
14887 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
14888 branch condition. Use gen_single_cc as the condition for
14889 __builtin_mips_upper_* or __builtin_mips_lower_*.
14890 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
14891 Use VOIDmode for the branch condition.
14892 * config/mips/predicates.md (order_operator): New predicate.
14893 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
14894 (branch_fp): Rename to...
14895 (*branch_fp): ...this. Remove mode from comparison operator.
14896 Use new mips_output_conditional_branch interface.
14897 (branch_fp_inverted): Rename to...
14898 (*branch_fp_inverted): ...this and update as for *branch_fp.
14899 (*branch_zero<mode>): Rename to...
14900 (*branch_order<mode>): ...this. Remove mode from comparison operator.
14901 Use mips_output_order_conditional_branch. Only accept ordered
14903 (*branch_zero<mode>_inverted): Rename to...
14904 (*branch_order<mode>_inverted): ...this and update as for
14905 *branch_order<mode>.
14906 (*branch_equality<mode>): Accept zero as the second operand to
14907 the equality operator. Use the new mips_output_conditional_branch
14909 (*branch_equality<mode>_inverted): Likewise.
14910 (condjump): New expander.
14911 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
14913 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
14914 (bc1any2t, bc1any2f): Likewise.
14915 (single_cc): New expander.
14916 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
14918 2006-03-09 Richard Sandiford <richard@codesourcery.com>
14920 * doc/md.texi: Update documentation of MIPS constraints.
14921 * config/mips/constraints.md: New file.
14922 * config/mips/mips.md: Include it.
14923 * config/mips/mips.c (mips_char_to_class): Delete.
14924 (override_options): Don't initialize mips_char_to_class.
14925 * config/mips/mips.h (mips_char_to_class): Delete.
14926 (REG_CLASS_FROM_LETTER): Delete.
14927 (CONST_OK_FOR_LETTER_P): Delete.
14928 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14929 (EXTRA_CONSTRAINT_Y): Delete.
14930 (EXTRA_CONSTRAINT_STR): Delete.
14931 (CONSTRAINT_LEN): Delete.
14932 (EXTRA_MEMORY_CONSTRAINT): Delete.
14934 2006-03-09 Diego Novillo <dnovillo@redhat.com>
14936 * tree-cfg.c (move_block_to_fn): Remove the statements from the
14937 original fn's eh regions.
14939 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
14941 * fold-const.c (build_range_check): Make sure to use a valid type to
14942 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
14945 (range_predecessor): New static function.
14946 (range_successor): Likewise.
14947 (merge_ranges): Use them to compute predecessors and successors of
14950 2006-03-09 Roger Sayle <roger@eyesopen.com>
14952 PR middle-end/26561
14953 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
14954 X op C3, consider whether C3 overflows towards +Inf or -Inf.
14956 2006-03-08 DJ Delorie <dj@redhat.com>
14958 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
14959 (addpsi3): Expand to include memory operands. Remove
14960 reload-specific splits.
14961 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
14962 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
14963 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
14964 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
14965 (shift1_qi, shift1_hi, insv): New.
14966 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
14967 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
14968 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
14970 * config/m32c/m32c-protos.h: Update as needed.
14971 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
14972 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
14973 Fail for unrecognized R* constraints.
14974 (m32c_cannot_change_mode_class): Be more picky about pseudos.
14975 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
14976 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
14978 (m32c_init_libfuncs): New.
14979 (m32c_legitimate_address_p): Add debug wrapper.
14980 (m32c_rtx_costs): New.
14981 (m32c_address_cost): New.
14982 (conversions): Add 'B' prefix.
14983 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
14984 operands, or word regnames for QI operands. 'B' prints bit
14986 (m32c_expand_setmemhi): New.
14987 (m32c_expand_movmemhi): New.
14988 (m32c_expand_movstr): New.
14989 (m32c_expand_cmpstr): New.
14990 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
14991 (m32c_expand_neg_mulpsi3): Handle non-ints.
14992 (m32c_cmp_flg_0): New.
14993 (m32c_expand_movcc): New.
14994 (m32c_expand_insv): New.
14995 (m32c_scc_pattern): New.
14996 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
14997 a0/a1 out of SIregs.
14998 (STORE_FLAG_VALUE): New.
14999 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
15002 * config/m32c/mov.md: Make constraints more liberal.
15003 (zero_extendqihi2): Optimize r0/r1 case.
15004 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
15005 * config/m32c/predicates.md (m32c_any_operand): New.
15006 (m32c_nonimmediate_operand): New.
15007 (m32c_hl_operand): New.
15008 (m32c_r3_operand): New.
15011 (memsym_operand): New.
15012 (memimmed_operand): New.
15013 (a_qi_operand): New.
15014 (m32c_eqne_operator): New.
15015 (m32c_1bit8_operand): New.
15016 (m32c_1bit16_operand): New.
15017 (m32c_1mask8_operand): New.
15018 (m32c_1mask16_operand): New.
15019 * config/m32c/blkmov.md: New file.
15020 * config/m32c/t-m32c (MD_FILES): Add blkmov.
15022 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
15024 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
15025 unsigned to fix signed/unsigned comparison issue in
15026 DWARF2_FRAME_REG_OUT.
15027 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
15028 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
15030 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
15031 of ptr into the ENABLE_CHECKING section.
15033 2006-03-08 Jeff Law <law@redhat.com>
15035 * tree-vrp.c (infer_value_range): Only count pointer uses
15036 and dereferences if -fdelete-null-pointer-checks is enabled.
15038 * tree-vrp.c (find_assert_locations): Infer value ranges for
15039 single use pointers, but do not create ASSERT_EXPRs for them.
15040 When a non-null range is inferred for a pointer, backwards
15041 propagate that range to other equivalent pointers through the
15044 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
15047 * Makefile.in (dvi, html, install-info): Invoke the corresponding
15048 language hook targets.
15049 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
15050 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
15051 if language hook targets were missing.
15053 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
15055 * tree-ssa-opfinalize.h: Removed.
15056 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
15058 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
15059 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
15060 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
15061 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
15062 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
15063 finalize_ssa_v_must_def_ops): New.
15065 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
15067 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
15068 block as parameter.
15070 2006-03-07 Geoffrey Keating <geoffk@apple.com>
15072 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
15074 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
15075 addresses with offsets; reorganize.
15077 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
15078 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
15079 (expand_builtin_init_dwarf_reg_sizes): Likewise.
15081 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
15084 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
15086 2006-03-08 Ben Elliston <bje@au.ibm.com>
15088 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
15090 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
15093 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
15096 2006-03-07 Richard Guenther <rguenther@suse.de>
15098 PR tree-optimization/26587
15099 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
15101 2006-03-07 Richard Sandiford <richard@codesourcery.com>
15103 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
15105 2006-03-07 Richard Sandiford <richard@codesourcery.com>
15107 * hooks.c (hook_bool_mode_rtx_true): New function.
15108 * hooks.h (hook_bool_mode_rtx_true): Declare.
15109 * toplev.c (compile_file): Call output_shared_constant_pool.
15110 * varasm.c (shared_constant_pool): New variable.
15111 (assemble_start_function, assemble_end_function): Remove arguments
15112 from call to output_constant_pool.
15113 (create_constant_pool): New function, split out from...
15114 (init_varasm_status): ...here.
15115 (force_const_mem): Choose between the shared and per-function constant
15116 pools. Set current_function_uses_const_pool when reusing old entries
15117 as well as when creating new ones.
15118 (mark_constant): Ignore data argument.
15119 (mark_constants): Remove pool argument.
15120 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
15121 to decide whether the function uses a constant pool.
15122 (output_constant_pool_contents): New function, split out from...
15123 (output_constant_pool): ...here.
15124 (output_shared_constant_pool): New function.
15125 (init_varasm_once): Initialize shared_constant_pool.
15126 * output.h (output_constant_pool): Delete.
15127 (output_shared_constant_pool): Declare.
15128 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
15129 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
15131 2006-03-06 Nick Clifton <nickc@redhat.com>
15133 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
15134 flag_strength_reduce.
15136 2006-03-06 Ben Elliston <bje@au.ibm.com>
15138 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
15139 x86_64-*-linux* configurations.
15141 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
15142 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
15144 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15146 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
15148 * basic-block.h: Remove the extern for
15149 rediscover_loops_after_threading.
15151 * cfgloop.c (cancel_loop): Make it static.
15152 * cfgloop.h: Remove the prototype for cancel_loop.
15154 * flow.c (recompute_reg_usage): Make it static.
15155 * rtl.h: Remove the prototype for recompute_reg_usage.
15157 * function.c (use_return_register): Make it static.
15158 * function.h: Remove the prototype.
15160 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15162 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
15164 * recog.h: Remove the prototype for
15165 validate_change_maybe_volatile.
15167 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15169 * rtlanal.c (replace_reg): Remove.
15170 * rtl.h: Remove the prototype for replace_reg.
15172 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15174 * regclass.c (reg_scan_update): Remove.
15175 (reg_scan_mark_refs): Remove the last argument.
15176 * rtl.h: Remove the prototype for reg_scan_update.
15178 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15180 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
15181 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
15182 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
15183 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
15184 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
15185 loop-invariant.c, omp-low.c, opts.c, passes.c,
15186 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
15187 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
15188 tree-ssa-structalias.c, tree-ssa-threadedge.c,
15189 tree-ssa-threadupdate.c, tree-vect-patterns.c,
15190 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
15191 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
15193 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15195 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
15196 * dwarf2out.h: Remove the prototype for
15197 dwarf2out_add_library_unit_info.
15199 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15201 * tree.c (add_var_to_bind_expr): Remove.
15202 * tree.h: Remove the prototype for add_var_to_bind_expr.
15204 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15206 * regclass.c (n_non_fixed_regs): Remove.
15207 (init_reg_sets_1, globalize_reg): Remove all uses of
15209 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
15211 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15213 * rtlanal.c (insns_safe_to_move_p): Remove.
15214 * rtl.h: Remove the prototype for insns_safe_to_move_p.
15216 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15218 * expmed.c (expand_mult_add): Remove.
15219 * expr.h: Remove the prototype for expand_mult_add.
15221 2006-03-04 Jakub Jelinek <jakub@redhat.com>
15223 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
15224 and REG_SAVED_VAL_EXP constants.
15225 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
15226 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
15227 Handle regs stored by value.
15228 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
15229 (execute_cfa_program): Handle DW_CFA_val_offset,
15230 DW_CFA_val_offset_sf and DW_CFA_val_expression.
15231 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
15232 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
15233 (uw_install_context_1): Handle target regs stored by value.
15235 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
15237 * tree-sra.c (tree_sra): Return todoflags;
15238 (generate_one_element): Set TODO_update_smt_usage if needed.
15239 (pass_sra): Remove TODO_update_smt_usage.
15240 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
15242 (tree_ssa_forward_propagate_single_use_vars): Return
15243 TODO_update_smt_usage if we need to update SMT usage.
15244 (pass_forwprop): Remove TODO_update_smt_usage.
15246 2006-03-03 Diego Novillo <dnovillo@redhat.com>
15248 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
15249 (correct_use_link): Remove reference to get_stmt_operands.
15250 (update_stmt_operands): Likewise.
15251 (get_modify_expr_operands): New function factored out of
15252 parse_ssa_operands and get_expr_operands.
15253 Try to create V_MUST_DEFs for LHS by default.
15254 (get_expr_operands) <case MODIFY_EXPR>: Call
15255 get_modify_expr_operands.
15256 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
15257 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
15258 (parse_ssa_operands) <case MODIFY_EXPR>: Call
15259 get_modify_expr_operands.
15261 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
15263 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
15264 * tree-flow.h: Remove the prototype for
15265 referenced_var_lookup_if_exists.
15267 2006-03-03 Steve Ellcey <sje@cup.hp.com>
15269 PR rtl-optimization/26345
15271 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
15273 2006-03-03 Roger Sayle <roger@eyesopen.com>
15275 PR tree-optimization/26524
15276 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
15277 fold_convert to create a constant of the appropriate type.
15279 2006-03-03 Richard Sandiford <richard@codesourcery.com>
15281 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15282 SYMBOL_REF_IN_BLOCK_P.
15283 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
15284 of SYMBOL_FLAG_IN_BLOCK.
15285 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
15286 instead of SYMBOL_REF_IN_BLOCK_P.
15287 * explow.c (use_anchored_address): Likewise.
15288 * rtl.c (rtx_size): Likewise.
15289 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
15290 instead of SYMBOL_FLAG_IN_BLOCK.
15291 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15292 SYMBOL_REF_IN_BLOCK_P.
15293 (assemble_variable): Likewise.
15294 (output_constant_def_contents): Likewise.
15295 (output_constant_pool): Likewise.
15296 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
15297 instead of SYMBOL_FLAG_IN_BLOCK.
15298 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15299 SYMBOL_REF_IN_BLOCK_P.
15300 (SYMBOL_REF_BLOCK): Likewise.
15301 (SYMBOL_REF_OFFSET): Likewise.
15302 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15303 SYMBOL_REF_IN_BLOCK_P.
15304 (SYMBOL_FLAG_IN_BLOCK): Replace with...
15305 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
15306 (SYMBOL_REF_IN_BLOCK_P): Replace with...
15307 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
15309 2006-03-03 Jakub Jelinek <jakub@redhat.com>
15311 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
15313 2006-03-02 Roger Sayle <roger@eyesopen.com>
15315 * simplify-rtx.c (simplify_unary_operation): When simplifying
15316 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
15317 that we perform the right shift in the appropriate mode, and
15318 then extend or truncate the result to requested mode.
15320 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
15322 * gengtype.c (main): Handle double_int type.
15323 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
15324 * double-int.c: New file.
15325 * double-int.h: New file.
15326 * system.h: Include doubleint.h.
15327 * Makefile.in (SYSTEM_H): Include double-int.h.
15328 (double-int.o): Add.
15330 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
15333 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
15336 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15338 * tree-vrp.c (remove_range_assertions): Do not update statements
15341 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15343 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
15345 * gcse.c (rest_of_handle_gcse): Ditto.
15346 * except.c (gate_handle_eh): Ditto.
15347 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
15348 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
15350 2006-03-02 Eric Christopher <echristo@apple.com>
15352 * config/i386/i386.c (machopic_output_stub): Add indirection to
15355 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15359 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
15361 Sun Niagara specific optimizations.
15362 * config.gcc: Recognize niagara as target.
15363 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
15364 (TARGET_CPU_niagara): Define.
15365 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
15366 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
15367 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15368 (ASM_CPU_SPEC): Likewise.
15369 (PROCESSOR_NIAGARA): New enum entry.
15370 (REGISTER_MOVE_COST): Handle Niagara.
15371 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
15372 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
15373 (sparc_override_options): Recognize "niagara", set appropriate
15374 default MASK_* values for it, and align functions to 32-bytes
15375 by default just like ULTRASPARC/ULTRASPARC3.
15376 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
15377 (sparc64_initialize_trampoline): Likewise.
15378 (sparc_use_sched_lookahead): Use zero for niagara.
15379 (sparc_issue_rate): Use one for niagara.
15380 * config/sparc/niagara.md: New file.
15381 * config/sparc/sparc.md: Include it.
15382 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
15383 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
15384 when default cpu is niagara.
15385 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15386 (ASM_CPU_SPEC): Likewise.
15387 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
15388 when default cpu is niagara.
15389 (ASM_CPU_SPEC): Handle -mcpu=niagara.
15390 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
15391 just like v9/ultrasparc/ultrasparc3.
15392 * doc/invoke.texi: Add documentation for "niagara" and improve
15393 existing documentation for ultrasparc variants.
15395 2006-03-02 Diego Novillo <dnovillo@redhat.com>
15397 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
15399 2006-03-02 Richard Sandiford <richard@codesourcery.com>
15401 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
15402 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
15403 and say that only one is needed.
15404 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
15405 * target.h (have_switchable_bss_sections): New hook.
15406 * explow.c (use_anchored_address): Check that the symbol is in a block.
15407 * varasm.c (tls_comm_section, comm_section, lcomm_section)
15408 (bss_noswitch_section): New variables.
15409 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
15410 (get_noswitch_section): New function.
15411 (get_block_for_section): Allow SECT to be null.
15412 (unlikely_text_section_p): Use SECTION_STYLE.
15413 (bss_initializer_p): New function.
15414 (get_variable_section): Move earlier in file. Take a new argument,
15415 prefer_noswitch_p. Move bss checks from assemble_variable to here.
15416 Return one of the new *_sections in such cases.
15417 (get_block_for_decl): New function, extracting some logic from
15418 use_blocks_for_decl_p.
15419 (change_symbol_section): Remove in favor of...
15420 (change_symbol_block): ...this new function.
15421 (use_blocks_for_decl_p): Remove checks now performed by
15422 get_block_for_decl.
15423 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
15424 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
15425 (emit_local, emit_bss, emit_common): ...these new functions.
15426 Return true if the alignment was honored.
15427 (emit_tls_common): New function.
15428 (asm_emit_uninitialised): Delete.
15429 (assemble_variable_noswitch): New function, split out from...
15430 (assemble_variable): ...here. Don't make decisions about common
15431 variables here. Globalize all public decls that go into non-common
15432 sections. Check whether SYMBOL_REF_BLOCK is null.
15433 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
15434 (output_constant_pool): Likewise.
15435 (init_varasm_once): Initialize the new section variables.
15436 (have_global_bss_p): New function.
15437 (categorize_decl_for_section): Use bss_initializer_p.
15438 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
15439 (place_block_symbol): Assert that the symbol must be in a block.
15440 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
15441 (TARGET_INITIALIZER): Include it.
15442 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
15443 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
15444 (SECTION_MACH_DEP): Bump by two.
15445 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
15446 (unnamed_section): Mention SECTION_UNNAMED in comment.
15447 (named_section): Likewise SECTION_NAMED.
15448 (noswitch_section_callback): New type.
15449 (noswitch_section): New structure.
15450 (section): Add a noswitch_section alternative.
15451 (SECTION_STYLE): New macro.
15452 (tls_comm_section, comm_section, lcomm_section): Declare.
15453 (bss_noswitch_section, have_global_bss_p): Declare.
15454 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15455 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15457 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15458 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15461 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
15463 * tree-vrp.c (execute_vrp): Return value.
15464 * regrename.c (rest_of_handle_regrename): Ditto.
15465 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
15466 * tree-complex.c (tree_lower_complex): Ditto.
15467 (tree_lower_complex_O0): Ditto.
15468 * tracer.c (rest_of_handle_tracer): Ditto.
15469 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
15470 * postreload.c (rest_of_handle_postreload): Ditto.
15471 * tree-tailcall.c (execute_tail_recursion): Ditto.
15472 (execute_tail_calls): Ditto.
15473 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15474 * tree.h (init_function_for_compilation): Ditto.
15475 * ipa-cp.c (ipcp_driver): Ditto.
15476 * tree-scalar-evolution.c (scev_const_prop): Ditto.
15477 * tree-scalar-evolution.h (scev_const_prop): Ditto.
15478 * final.c (compute_alignments): Ditto.
15479 (rest_of_handle_final): Ditto.
15480 (rest_of_handle_shorten_branches): Ditto.
15481 (rest_of_clean_state): Ditto.
15482 * omp-low.c (execute_expand_omp): Ditto.
15483 (execute_lower_omp): Ditto.
15484 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
15485 * ipa-reference.c (static_execute): Ditto.
15486 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
15487 * reorg.c (rest_of_handle_delay_slots): Ditto.
15488 (rest_of_handle_machine_reorg): Ditto.
15489 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
15490 * flow.c (recompute_reg_usage): Ditto.
15491 (rest_of_handle_remove_death_notes): Ditto.
15492 (rest_of_handle_life): Ditto.
15493 (rest_of_handle_flow2): Ditto.
15494 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
15495 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
15496 (do_ssa_store_ccp): Ditto.
15497 (execute_fold_all_builtins): Ditto.
15498 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
15499 * modulo-sched.c (rest_of_handle_sms): Ditto.
15500 * ipa-pure-const.c (static_execute): Ditto.
15501 * cse.c (rest_of_handle_cse): Ditto.
15502 (rest_of_handle_cse2): Ditto.
15503 * web.c (rest_of_handle_web): Ditto.
15504 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
15505 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
15506 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
15507 * tree-nrv.c (tree_nrv): Ditto.
15508 (execute_return_slot_opt): Ditto.
15509 * tree-ssa-alias.c (compute_may_aliases): Ditto.
15510 (create_structure_vars): Ditto.
15511 * loop-init.c (rtl_loop_init): Ditto.
15512 (rtl_loop_done): Ditto.
15513 (rtl_move_loop_invariants): Ditto.
15514 (rtl_unswitch): Ditto.
15515 (rtl_unroll_and_peel_loops): Ditto.
15516 (rtl_doloop): Ditto.
15517 * gimple-low.c (lower_function_body): Ditto.
15518 (mark_used_blocks): Ditto.
15519 * tree-ssa-sink.c (execute_sink_code): Ditto.
15520 * ipa-inline.c (cgraph_decide_inlining): Ditto.
15521 (cgraph_early_inlining): Ditto.
15522 * global.c (rest_of_handle_global_alloc): Ditto.
15523 * jump.c (cleanup_barriers): Ditto.
15524 (purge_line_number_notes): Ditto.
15525 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
15526 (rest_of_handle_if_after_reload): Ditto.
15527 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
15528 (tree_ssa_loop_im): Ditto.
15529 (tree_ssa_loop_unswitch): Ditto.
15530 (tree_vectorize): Ditto.
15531 (tree_linear_transform): Ditto.
15532 (tree_ssa_loop_ivcanon): Ditto.
15533 (tree_ssa_empty_loop): Ditto.
15534 (tree_ssa_loop_bounds): Ditto.
15535 (tree_complete_unroll): Ditto.
15536 (tree_ssa_loop_prefetch): Ditto.
15537 (tree_ssa_loop_ivopts): Ditto.
15538 (tree_ssa_loop_done): Ditto.
15539 * predict.c (tree_estimate_probability): Ditto.
15540 * recog.c (split_all_insns_noflow): Ditto.
15541 (rest_of_handle_peephole2): Ditto.
15542 (rest_of_handle_split_all_insns): Ditto.
15543 * tree-eh.c (lower_eh_constructs): Ditto.
15544 * regmove.c (rest_of_handle_regmove): Ditto.
15545 (rest_of_handle_stack_adjustments): Ditto.
15546 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
15547 * function.c (instantiate_virtual_regs): Ditto.
15548 (init_function_for_compilation): Ditto.
15549 (rest_of_handle_check_leaf_regs): Ditto.
15550 * gcse.c (rest_of_handle_jump_bypass): Ditto.
15551 (rest_of_handle_gcse): Ditto.
15552 * ipa-type-escape.c (type_escape_execute): Ditto.
15553 * alias.c (rest_of_handle_cfg): Ditto.
15554 * tree-if-conv.c (main_tree_if_conversion): Ditto.
15555 * profile.c (rest_of_handle_branch_prob): Ditto.
15556 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
15557 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
15558 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
15559 * tree-dfa.c (find_referenced_vars): Ditto.
15560 * except.c (set_nothrow_function_flags): Ditto.
15561 (convert_to_eh_region_ranges): Ditto.
15562 (rest_of_handle_eh): Ditto.
15563 * emit-rtl.c (unshare_all_rtl): Ditto.
15564 (remove_unnecessary_notes): Ditto.
15565 * except.h (set_nothrow_function_flags): Ditto.
15566 (convert_to_eh_region_ranges): Ditto.
15567 * cfgexpand.c (tree_expand_cfg): Ditto.
15568 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
15569 * tree-ssa-pre.c (do_pre): Ditto.
15570 (execute_fre): Ditto.
15571 * cfgcleanup.c (rest_of_handle_jump): Ditto.
15572 (rest_of_handle_jump2): Ditto.
15573 * tree-sra.c (tree_sra): Ditto.
15574 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
15575 (execute_mudflap_function_decls): Ditto.
15576 * tree-ssa-copy.c (do_copy_prop): Ditto.
15577 (do_store_copy_prop): Ditto.
15578 * ipa-prop.h (ipcp_driver): Ditto.
15579 * cfglayout.c (insn_locators_initialize): Ditto.
15580 * tree-ssa-forwprop.c
15581 (tree_ssa_forward_propagate_single_use_vars): Ditto.
15582 * cfglayout.h (insn_locators_initialize): Ditto.
15583 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
15584 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
15585 (execute_late_warn_uninitialized): Ditto.
15586 * rtl.h (cleanup_barriers): Ditto.
15587 (split_all_insns_noflow): Ditto.
15588 (purge_line_number_notes): Ditto.
15589 (unshare_all_rtl): Ditto.
15590 (remove_unnecessary_notes): Ditto.
15591 (recompute_reg_usage): Ditto.
15592 (variable_tracking_main): Ditto.
15593 * integrate.c (emit_initial_value_sets): Ditto.
15594 * integrate.h (emit_initial_value_sets): Ditto.
15595 * tree-optimize.c (execute_free_datastructures): Ditto
15596 (execute_free_cfg_annotations): Ditto.
15597 (execute_fixup_cfg): Ditto.
15598 (execute_cleanup_cfg_pre_ipa): Ditto.
15599 (execute_cleanup_cfg_post_optimizing): Ditto.
15600 (execute_init_datastructures): Ditto.
15601 * tree-object-size.c (compute_object_sizes): Ditto.
15602 * combine.c (rest_of_handle_combine): Ditto.
15603 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
15604 * bb-reorder.c (duplicate_computed_gotos): Ditto.
15605 (rest_of_handle_reorder_blocks): Ditto.
15606 (rest_of_handle_partition_blocks): Ditto.
15607 * var-tracking.c (variable_tracking_main): Ditto.
15608 * tree-profile.c (tree_profiling): Ditto.
15609 * tree-vect-generic.c (expand_vector_operations): Ditto.
15610 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
15611 * sched-rgn.c (rest_of_handle_sched): Ditto.
15612 (rest_of_handle_sched2): Ditto.
15613 * basic-block.h (free_bb_insn): Ditto.
15614 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
15615 * tree-cfg.c (execute_build_cfg): Ditto.
15616 (remove_useless_stmts): Ditto.
15617 (split_critical_edges): Ditto.
15618 (execute_warn_function_return): Ditto.
15619 (execute_warn_function_noreturn): Ditto.
15620 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
15621 * cfgrtl.c (free_bb_for_insn): Ditto.
15622 * passes.c (execute_one_pass): Run additional
15623 todos returned by execute function.
15624 * tree-pass.h (struct tree_opt_pass): Make execute
15627 2006-03-02 Richard Guenther <rguenther@suse.de>
15629 * tree-ssa-alias.c (find_used_portions): Consider taking
15630 the address as making the variable not write-only.
15632 2006-03-02 Nick Clifton <nickc@redhat.com>
15634 * config.gcc (default_use_cxa_atexit): Extend the description of
15635 this configure variable. Set its default value to "yes" for
15636 Linux, NetBSD and ELF targets on the assumption that they will
15637 use C libraries with the __cxa_atexit function.
15639 2006-03-02 Ben Elliston <bje@au.ibm.com>
15641 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
15642 parameter as unused to suppress a build warning.
15644 2006-03-02 Ben Elliston <bje@au.ibm.com>
15646 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
15649 2006-03-01 Roger Sayle <roger@eyesopen.com>
15652 * gthr-posix.h (__gthrw2): Define to take three parameters, the
15653 declared name, the weak reference name, and the typeof name.
15654 (__gthrw): Avoid expanding the declared name suffix.
15655 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
15657 2006-03-01 Jakub Jelinek <jakub@redhat.com>
15659 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
15661 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
15662 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
15663 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
15664 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
15665 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
15666 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
15667 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
15668 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
15669 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
15670 DW_DS_leading_separate, DW_DS_trailing_separate): New.
15671 (DW_END_default, DW_END_big, DW_END_little): New.
15672 (DW_END_lo_user, DW_END_hi_user): Define.
15673 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
15674 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
15675 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
15678 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15680 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
15682 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
15684 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
15686 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
15688 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
15689 to 'symbol_mem_tag'.
15691 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
15694 2006-03-01 Roger Sayle <roger@eyesopen.com>
15696 * builtins.c (fold_builtin_copysign): Delete unreachable code.
15698 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15701 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
15702 MACHO_DYNAMIC_NO_PIC_P.
15703 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
15705 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15708 * config/darwin-protos.h (darwin_asm_output_anchor):
15710 * config/darwin-sections.def (cstring_section):
15711 Add SECTION_MERGE to the flags.
15712 (literal4_section): Likewise.
15713 (literal8_section): Likewise.
15714 (objc_selector_refs_section): Likewise.
15715 (objc_cls_refs_section): Likewise.
15716 * config/darwin.c (darwin_asm_output_anchor): New
15718 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
15720 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
15722 Fix PR tree-optimization/26443
15723 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
15724 to todo and PROP_tmt_usage to properties_destroyed.
15725 * tree-ssa-ccp.c (pass_ccp): Ditto.
15726 (pass_store_ccp): Ditto.
15727 * tree-ssa-dom.c (pass_dominator): Ditto.
15729 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15731 * tree-ssa-operands.c: Cleanup whitespace.
15732 (get_asm_expr_operands): Move before first invocation.
15733 (get_indirect_ref_operands): Likewise.
15734 (get_tmr_operands): Likewise.
15735 (get_call_expr_operands): Likewise.
15736 (append_def): Likewise.
15737 (append_use): Likewise.
15738 (append_v_may_def): Likewise.
15739 (append_v_must_def): Likewise.
15740 (add_call_clobber_ops): Likewise.
15741 (add_call_read_ops): Likewise.
15742 (add_stmt_operand): Likewise.
15743 (add_virtual_operand): Likewise.
15744 (build_ssa_operands): Likewise.
15746 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15748 PR middle-end/26022
15750 PR middle-end/24437
15751 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15752 with a call expr to ...
15753 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15755 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15757 * tree-vrp.c (extract_range_from_assert): Remove special
15758 handling for types with super-types.
15760 2006-03-01 Ben Elliston <bje@au.ibm.com>
15762 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
15763 and powerpc64-*-linux* configurations.
15764 * config/t-dfprules: New file.
15766 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
15767 Compile dfp-bit.c from the source directory using -DWIDTH and
15768 $DFP_CFLAGS to control the compilation of that file, rather than
15769 generating width-specific versions in the build directory.
15770 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
15771 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
15773 2006-02-28 Zack Weinberg <zackw@panix.com>
15775 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
15778 2006-02-28 Eric Christopher <echristo@apple.com>
15780 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
15781 Set up IN_LIBGCC definition of TARGET_64BIT.
15782 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
15784 2006-02-28 Roger Sayle <roger@eyesopen.com>
15786 PR middle-end/14752
15787 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
15788 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
15789 cases via the construction of "expr != 0".
15791 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
15793 * alias.c (alias_invariant, alias_invariant_size): Remove.
15794 (record_base_value): Remove.
15795 (memrefs_conflict_p): Don't look at alias_invariant.
15796 (end_alias_analysis): Don't free it.
15797 * alias.h (record_base_value): Remove prototype.
15799 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
15800 Adam Nemet <anemet@caviumnetworks.com>
15802 * rtl.h (truncated_to_mode): Declare it.
15803 (struct rtl_hooks): Add reg_truncated_to_mode hook.
15804 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
15805 (RTL_HOOKS_INITIALIZER): Include it.
15806 * rtlhooks.c (reg_truncated_to_mode_general): New function.
15807 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
15808 reg_truncated_to_mode.
15809 * rtlanal.c (truncated_to_mode): Define it.
15810 * simplify-rtx.c (simplify_unary_operation_1): Use it.
15812 2006-02-28 Jeff Law <law@redhat.com>
15814 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
15815 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
15816 the range allowed by TYPE_PRECISION.
15818 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
15820 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
15822 PR tree-optimization/26419
15823 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
15826 2006-02-27 Zack Weinberg <zackw@panix.com>
15828 * doc/md.texi: Fix typo in previous change.
15830 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
15834 2006-02-27 Zack Weinberg <zackw@panix.com>
15836 * rtl.def (define_constraint, define_register_constraint)
15837 (define_memory_constraint, define_address_constraint): New MD forms.
15838 * gensupport.c (process_rtx): Put define_constraint etc on the
15840 * genpreds.c (process_define_predicate): Adjust comment. Validate
15841 the name, and call validate_exp to validate the expression.
15842 (mark_mode_tests, write_extract_subexp): Can assume correct input.
15843 (write_predicate_expr): Likewise. NAME argument no longer necessary;
15844 all callers changed.
15845 (validate_exp, needs_variable, struct constraint_data)
15846 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
15847 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
15848 (const_dbl_constraints, constraint_max_namelen)
15849 (have_register_constraints, have_memory_constraints)
15850 (have_address_constraints, have_address_constraints)
15851 (have_extra_constraints, have_const_int_constraints)
15852 (have_const_dbl_constraints, mangle, add_constraint)
15853 (process_define_constraint, process_define_register_constraint)
15854 (write_enum_constraint_num, write_lookup_constraint)
15855 (write_insn_constraint_len, write_regclass_for_constraint)
15856 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
15857 (write_insn_extra_memory_constraint)
15858 (write_insn_extra_address_constraint)
15859 (write_satisfies_constraint_fns): New.
15860 (write_tm_preds_h): If we have new-style constraint definitions,
15861 prototype the functions generated from them, and define the
15862 old constraint interface (still used by generic code) in terms of
15864 (write_insn_preds_c): If we have new-style constraint definitions,
15865 generate all relevant functions from those definitions.
15866 (main): Handle define_constraint etc.
15867 * genoutput.c (struct constraint_data, indep_constraints)
15868 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
15869 (mdep_constraint_len): New data structures and functions, defined
15870 #ifdef USE_MD_CONSTRAINTS.
15871 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
15872 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
15873 use new logic to validate operand constraints against constraint
15875 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
15877 * defaults.h: If none of the old-style constraint macros are
15878 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
15879 old-style macros; and poison REG_CLASS_FROM_LETTER,
15880 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
15882 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
15883 * doc/md.texi: Document new constraint-definition mechanism and the
15884 C interface it provides. Remove references to old mechanism
15885 elsewhere in the document.
15886 (Machine Constraints): Use pathnames relative to gcc directory,
15887 i.e. config/ARCH/FILE. Change i386 section to refer to
15888 config/i386/predicates.md; update that section to match docstrings.
15889 * doc/tm.texi: Move all documentation of the old constraint-
15890 definition macros to their own section, clearly mark as obsolete.
15892 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
15893 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
15895 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
15896 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
15897 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
15898 constraint strings.
15899 (splits and peepholes): Use satisfies_constraint_*.
15900 * config/i386/i386.c (memory_address_length)
15901 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
15903 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
15905 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
15906 scalar operation to be put back into the loop.
15908 2006-02-27 Jakub Jelinek <jakub@redhat.com>
15911 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
15912 (extract_cie_info): Handle S flag in augmentation string.
15913 (execute_cfa_program): If context->signal_frame, execute also
15914 fs->pc == context->ra instructions.
15915 (uw_frame_state_for): If context->signal_frame, don't subtract one
15916 from context->ra to find FDE.
15917 (uw_update_context_1): Set context->signal_frame to
15919 (_Unwind_GetIPInfo): New function.
15920 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
15921 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
15923 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
15924 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
15925 * unwind-compat.c (_Unwind_GetIPInfo): New function.
15926 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
15927 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
15928 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
15929 * config/i386/linux-unwind.h (x86_fallback_frame_state,
15930 x86_64_fallback_frame_state): Set fs->signal_frame.
15931 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
15932 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
15933 (frob_update_context): Likewise. Workaround missing S flag in
15934 Linux 2.6.12 - 2.6.16 kernel vDSOs.
15935 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
15936 Remove the psw_addr + 1 hack.
15938 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
15940 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
15941 with aggregates here.
15942 (find_func_aliases): Remove code for &<aggregate> from here.
15944 2006-02-26 Roger Sayle <roger@eyesopen.com>
15946 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
15947 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
15948 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
15949 as (X & C) ne/eq 0.
15951 2006-02-26 Roger Sayle <roger@eyesopen.com>
15953 PR middle-end/19983
15954 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
15956 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
15958 * opts.c (decode_options): Do not handle flag_strength_reduce.
15959 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
15960 and OPT_fstrength_reduce.
15961 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
15962 flag_prefetch_loop_arrays for being nonzero.
15963 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
15965 (fprefetch-loop-arrays-rtl): Removed.
15966 (flag_prefetch_loop_arrays): Do not specify the value.
15968 * doc/passes.texi: Update documentation of loop optimizer
15970 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
15971 -frerun-loop-opt): Remove.
15973 2006-02-26 Richard Guenther <rguenther@suse.de>
15975 PR tree-optimization/26421
15976 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
15977 in function calls that are ADDR_EXPRs as using the whole structure.
15979 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
15981 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
15982 * tree-pass.h (pass_loop_optimize): Remove.
15983 * passes.c (pass_loop_optimize): Never run it.
15984 * toplev.c (backend_init): Don't call init_loop.
15985 * opts.c (flag_loop_optimize_set): Remove.
15986 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
15987 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
15988 the old RTL loop optimizer when profiling enabled.
15989 * predict.c (tree_estimate_probability): Always strip builtin_expect.
15990 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
15991 pre-headers for the sake of the old RTL loop optimizer.
15992 * Makefile.in: Remove all references to loop.o.
15994 * doc/invoke.texi: Remove all references to -floop-optimize
15995 and -frerun-loop-opt.
15997 2006-02-26 Zack Weinberg <zackw@panix.com>
15999 * doc/md.texi (Machine Constraints): Refer to all files with paths
16000 relative to gcc directory (i.e. config/CPU/file). Add missing
16001 @table @code ... @end table to M32C subsection.
16003 2006-02-26 Roger Sayle <roger@eyesopen.com>
16005 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
16007 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
16009 2006-02-26 Roger Sayle <roger@eyesopen.com>
16010 James A. Morrison <phython@gcc.gnu.org>
16012 PR middle-end/21137
16013 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
16014 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
16015 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
16016 signedness of the shift operation.
16018 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
16020 PR tree-optimization/26359
16021 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
16023 2006-02-25 Roger Sayle <roger@eyesopen.com>
16025 * simplify-rtx.c (simplify_relational_operation_1): Simplify
16026 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
16027 as X == 0, and some symmetry related transformations.
16028 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
16030 2006-02-25 Roger Sayle <roger@eyesopen.com>
16032 PR middle-end/23673
16033 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
16034 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
16035 symmetry related transformations. Fold (X^C1) == C2 as
16038 2006-02-25 Juergen Weigert <jw@suse.de>
16039 Richard Guenther <rguenther@suse.de>
16041 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
16043 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
16045 * combine.c (gen_lowpart_or_truncate): Call
16046 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
16048 2006-02-24 Diego Novillo <dnovillo@redhat.com>
16050 * doc/invoke.texi: Move -fopenmp description to "Options for
16052 Remove reference to -lgomp.
16054 2006-02-24 David Edelsohn <edelsohn@gnu.org>
16056 * doc/install.texi: Require GNU tar version 1.14.
16058 2006-02-24 Geoffrey Keating <geoffk@apple.com>
16060 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
16061 * doc/invoke.texi (C++ Dialect Options): Document
16062 -fno-use-cxa-get-exception-ptr.
16063 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
16064 * configure: Regenerate.
16065 * c.opt (fuse-cxa-get-exception-ptr): New.
16066 * c-opts.c (c_common_handle_option): Handle
16067 OPT_fuse_cxa_get_exception_ptr.
16068 * c-common.c (flag_use_cxa_atexit): Update documentation.
16069 (flag_use_cxa_get_exception_ptr): New.
16070 * c-common.h (flag_use_cxa_get_exception_ptr): New.
16071 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
16073 (C_COMMON_OVERRIDE_OPTIONS): New.
16075 2006-02-24 Roger Sayle <roger@eyesopen.com>
16077 PR middle-end/24952
16078 * combine.c (try_combine): Explicitly check whether GET_CODE is
16079 a SET or a CLOBBER, instead on checking that it isn't a USE.
16081 2006-02-24 Roger Sayle <roger@eyesopen.com>
16083 * fold-const.c (fold_comparison): New subroutine of fold_binary
16084 containing transformations common to both the equality and
16085 ordering relational operators, factored out of fold_binary.
16086 (fold_binary): Separate out the equality operators (EQ_EXPR
16087 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
16088 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
16089 transformations common to both.
16090 (fold_div_compare): Fix latent bugs in the previously unreachable
16091 LT_EXPR and GE_EXPR cases.
16093 2006-02-24 David Edelsohn <edelsohn@gnu.org>
16095 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
16096 decl libname for clog to __clog on AIX.
16098 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
16100 2006-02-24 Alan Modra <amodra@bigpond.net.au>
16103 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
16104 output traceback table for thunks. Localise rs6000_stack_info call.
16106 2006-02-23 Roger Sayle <roger@eyesopen.com>
16107 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16109 * gthr-posix.h (__gthrw): Fix typo in comment.
16111 2006-02-23 Geoffrey Keating <geoffk@apple.com>
16113 * doc/cpp.texi (Character sets): Document that we do support
16114 input files to be in any character set.
16116 2006-02-23 Jeff Law <law@redhat.com>
16118 * tree.h (PHI_ARG_NONZERO): Remove.
16119 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
16120 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
16121 node to the new node.
16123 PR tree-optimization/26425
16124 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
16125 min/max, then assume its varying.
16127 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
16129 PR rtl-optimization/26316
16130 * rtlanal.c (enum may_trap_p_flags): New.
16131 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
16132 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
16133 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
16134 (may_trap_after_code_motion_p): New function.
16135 * loop-invariant.c (find_identical_invariants): Fix dump formating.
16136 (find_invariant_insn): Use may_trap_after_code_motion_p.
16137 * rtl.h (may_trap_after_code_motion_p): Declare.
16139 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
16141 * emit-rtl.c (immed_double_const): Cleanup.
16143 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
16145 Fix PR tree-optimization/26376
16146 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
16149 2006-02-23 Jakub Jelinek <jakub@redhat.com>
16151 PR middle-end/26412
16152 * gimplify.c (omp_add_variable): Guard variable size decl test with
16153 DECL_SIZE (decl) check.
16155 2006-02-23 Richard Guenther <rguenther@suse.de>
16157 PR middle-end/26439
16158 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
16159 like aggregate types.
16161 2006-02-23 Jakub Jelinek <jakub@redhat.com>
16163 * configure.ac: Add --with{,out}-long-double-128 configure option.
16164 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
16165 * configure: Rebuilt.
16166 * config.in: Rebuilt.
16167 * doc/install.texi (Options specification): Document
16168 --with-long-double-128.
16170 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
16171 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
16172 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
16173 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
16175 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
16177 * config/s390/s390.c (override_options): Handle
16178 TARGET_DEFAULT_LONG_DOUBLE_128.
16180 * config/alpha/alpha.c (override_options): Handle
16181 TARGET_DEFAULT_LONG_DOUBLE_128.
16183 * config/sparc/sparc.c (sparc_override_options): Handle
16184 TARGET_DEFAULT_LONG_DOUBLE_128.
16186 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
16188 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
16189 (real-install-headers-tar, real-install-headers-cpio)
16190 (real-install-headers-cp): New targets.
16192 2006-02-22 Richard Sandiford <richard@codesourcery.com>
16194 * tree.h (variable_section): Delete.
16195 * varasm.c (variable_section): Delete.
16197 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
16199 * install.texi: Add notes on install.texi2html.
16200 (Building in parallel): Do not use footnotes.
16202 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
16205 * doc/install.texi (Configuration): Document --disable-libgomp.
16207 2006-02-21 Geoffrey Keating <geoffk@apple.com>
16209 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
16211 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
16213 * config/i386/sse.md (vec_extractv2df_1_sse): New.
16214 (vec_extractv2df_0_sse): New.
16216 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
16218 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
16219 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
16220 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
16221 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
16222 to the result of the expression.
16223 (def_cfa_1): Adjust.
16224 (frame_pointer_cfa_offset): Rename to...
16225 (frame_pointer_fb_offset): ... this. Adjust all uses.
16226 (convert_cfa_to_loc_list): Rename to...
16227 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
16228 Pass it on to build_cfa_loc.
16229 (compute_frame_pointer_to_cfa_displacement): Rename to...
16230 (compute_frame_pointer_to_fb_displacement): ... this. New
16231 offset parameter. Use it in computation.
16232 (gen_subprogram_die): Compute cfa_fb_offset with the new
16233 macro, and use it to compute the fb loc list and the
16236 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
16238 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
16239 replaced with register_operand.
16240 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
16241 non-DREG is expensive.
16242 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
16243 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
16246 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
16248 * doc/install.texi2html: Use set -e.
16250 2006-02-21 Richard Sandiford <richard@codesourcery.com>
16252 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
16253 (ASM_OUTPUT_SHARED_LOCAL): Delete.
16254 * doc/invoke.texi (-fshared-data): Delete.
16255 * common.opt (fshared-data): Delete.
16256 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
16257 (assemble_static_space): Remove #if 0 code.
16258 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
16259 (ASM_OUTPUT_SHARED_LOCAL): Poison.
16260 * config/cris/cris.h: Remove FIXME.
16262 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
16264 * doc/sourcebuild.texi (Front End Directory): No more double-colon
16267 2006-02-21 Jakub Jelinek <jakub@redhat.com>
16269 PR middle-end/26379
16270 * combine.c (simplify_shift_const_1): Disable nested shifts
16271 optimization for vector shifts.
16273 2006-02-20 Roger Sayle <roger@eyesopen.com>
16275 PR tree-optimization/26361
16276 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
16277 of unsigned integer types.
16279 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
16281 * tree-chrec.c (eq_evolutions_p): New.
16282 * tree-chrec.h (eq_evolutions_p): Declared.
16283 * tree-data-ref.c: Fix formatting.
16284 (datadep_stats, dependence_stats): New.
16286 (print_direction_vector): New.
16287 (dump_data_dependence_relation): Use print_direction_vector.
16288 (object_analysis, create_data_ref): Handle COMPONENT_REF.
16289 (compute_subscript_distance): Static.
16290 (initialize_data_dependence_relation): Static. Get the number
16291 of loops surrounding the references from the callers, and initialize
16292 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
16293 base_object_differ_p analyzers.
16294 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
16295 compute_overlap_steps_for_affine_1_2,
16296 analyze_subscript_affine_affine): Count the classified dependences.
16297 Print a message when a test failed.
16298 (can_use_analyze_subscript_affine_affine): New.
16299 (analyze_siv_subscript): Compute the data dependences on symbolic
16300 scevs that verify can_use_analyze_subscript_affine_affine.
16301 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
16302 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
16303 Handle symbolic scevs.
16304 (analyze_overlapping_iterations): Let symbolic affine scevs to be
16306 (subscript_dependence_tester): Moved...
16307 (build_classic_dist_vector, build_classic_dir_vector): Don't use
16308 lambda_vector_clear on newly allocated vectors. Get nb_loops from
16309 DDR_SIZE_VECT instead of getting it in parameter.
16310 (subscript_dependence_tester): ... here. Take as a parameter
16311 loop_nest_depth. Call build_classic_dist_vector and
16312 build_classic_dir_vector.
16313 (compute_affine_dependence): Update subscript_dependence_tester
16314 parameters. Update datadep_stats counters. Call
16315 compute_subscript_distance.
16316 (compute_self_dependence): Save the dist and dir vectors. Call
16317 compute_subscript_distance.
16318 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
16319 (compute_all_dependences): Reorder parameters as they were before
16320 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
16321 compute_subscript_distance. Update the use of
16322 compute_affine_dependence and initialize_data_dependence_relation.
16323 (find_data_references_in_loop): Handle COMPONENT_REF.
16324 (compute_data_dependences_for_loop): Initialize dependence_stats.
16325 Don't call build_classic_dist_vector and build_classic_dir_vector.
16326 Update the parameters of initialize_data_dependence_relation and
16327 compute_all_dependences. Print the statistics from datadep_stats.
16328 (analyze_all_data_dependences): Static. Not used until the pass for
16329 checking the data dependences is contributed.
16330 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
16331 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
16332 (initialize_data_dependence_relation, compute_affine_dependence,
16333 analyze_all_data_dependences, compute_subscript_distance): Removed.
16334 (print_direction_vector): New.
16335 * lambda.h (gcd): ... here.
16336 (lambda_vector_gcd): Moved here from gcd_vector.
16337 * lambda-code.c (gcd, gcd_vector): Removed.
16338 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
16339 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
16341 2006-02-20 Diego Novillo <dnovillo@redhat.com>
16343 * ipa-type-escape.c: Tidy some comments and white space.
16344 * tree-ssa-operands.c: Likewise.
16346 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
16349 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
16350 (dump_decl_name): Do not walk the decl tree chains.
16351 * tree-pass.h (TDF_CHAIN): Remove.
16353 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16355 * Makefile.in (C): Remove
16357 (.PHONY): Remove C and PROTO
16359 2006-02-20 Roger Sayle <roger@eyesopen.com>
16361 PR middle-end/26236
16362 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
16363 deprecated CHAR_TYPE tree code.
16365 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16367 * configure.ac (target_list): Add install-info, dvi, html.
16368 * configure: Regenerate.
16370 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
16371 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
16372 treelang/Make-lang.in: Do not use double-colon rules.
16374 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
16376 * tree.h (struct tree_memory_tag): Add is_used_alone member.
16377 (TMT_USED_ALONE): New macro.
16378 * tree-pass.h (PROP_tmt_usage): New property.
16379 (TODO_update_tmt_usage): New todo.
16380 * tree-ssa-alias.c (updating_used_alone): New variable.
16381 (recalculate_used_alone): New function.
16382 (compute_may_aliases): Set updating_used_alone, call
16383 recalculate_used_alone.
16384 * tree-sra.c (pass_sra): Note that this pass destroys
16385 PROP_tmt_usage, and add TODO_update_tmt_usage.
16386 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
16387 * tree-flow.h (updating_used_alone): Prototype.
16388 (recalculate_used_alone): Ditto.
16389 * passes.c (execute_todo): Add code to set updating_used_alone,
16390 and call recalculate.
16391 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
16392 for clobber if used alone, and add assert to verify used_alone
16395 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
16397 * config/s390/s390.c (legitimize_pic_address): Assertions checking
16398 for non tls symbols added.
16399 (legitimize_address): Do nothing for PLUS expressions if one of the
16400 addends is a tls symbol reference.
16402 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16406 * Makefile.in (LDFLAGS): Define from autoconf substitution.
16408 * Makefile.in (BOOTSTRAPPING): New.
16409 (quickstrap): New definition if BOOTSTRAPPING=yes.
16411 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
16412 * configure.ac: Substitute all_selected_languages with the languages
16413 that were configured. For all the other variables except
16414 lang_specs_files, include all the languages in the tree.
16415 * configure: Regenerate.
16417 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
16418 if there is one. Run the commands to run fixincludes in the same
16421 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
16422 * doc/install.texi: Document exact conventions for searching target tools.
16423 Document --with-build-time-tools. Document toplevel bootstrap. Document
16424 something more about building an Ada cross-compiler. Don't list GNU Make
16425 requirements which affect all platforms.
16427 2006-02-19 Roger Sayle <roger@eyesopen.com>
16429 PR middle-end/19543
16430 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
16431 only equivalent if the have both the same mode and precision.
16433 2006-02-20 Ben Elliston <bje@au.ibm.com>
16435 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
16437 2006-02-19 Roger Sayle <roger@eyesopen.com>
16438 Steven Bosscher <stevenb.gcc@gmail.com>
16440 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
16441 constant pool references to identify stack mode constants.
16442 * rtlanal.c (constant_pool_constant_p): New predicate to check
16443 whether operand is a floating point constant in the pool.
16444 * rtl.h (constant_pool_constant_p): Prototype here.
16445 * loop.c (scan_loop): Avoid hoisting constants from the constant
16446 pool on STACK_REGS targets.
16447 (load_mems): Likewise.
16448 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
16449 loads into x87 registers expensive in terms of register pressure.
16451 2006-02-19 Roger Sayle <roger@eyesopen.com>
16453 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
16454 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
16456 2006-02-19 David Edelsohn <edelsohn@gnu.org>
16458 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16459 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
16461 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
16463 * doc/invoke.texi: Document -fipa-pta.
16464 * common.opt: Add ipa-pta option.
16465 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
16466 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
16467 (do_ds_constraint): Ditto.
16468 (get_constraint_for): Only add to referenced_vars if
16469 referenced_vars exists.
16470 (insert_into_field_list): Rewrite to do this unsorted.
16471 (insert_into_field_list_sorted): Rename old insert_into_field_list
16473 (create_function_info_for): Use insert_into_field_list_sorted.
16474 (create_variable_info_for): Rewrite so it uses unsorted version,
16475 since the field list is sorted.
16476 (intra_create_variable_infos): Only add to referenced_vars if
16477 referenced_vars exists.
16478 (ipa_pta_execute): Init heapvars, and delete when done.
16479 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
16481 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16483 * doc/install.texi: Add missing `@samp'.
16485 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16487 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
16490 2006-02-18 Mark Wielaard <mark@klomp.org>
16492 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
16493 who added new 4.1 features, bug fixes and integration support.
16495 2006-02-18 David Edelsohn <edelsohn@gnu.org>
16498 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
16499 MEM for ABI_V4 pic.
16501 2006-02-18 Richard Sandiford <richard@codesourcery.com>
16503 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
16504 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
16505 (copy_insn_1): Likewise. Don't copy each field individually.
16507 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
16509 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
16510 * rtl.c (rtx_size): Rename variable to...
16511 (rtx_code_size): ...this.
16512 (rtx_size): New function.
16513 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
16514 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
16516 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
16517 * rtl.h (rtx_code_size): New variable.
16518 (rtx_size): Change from a variable to a function.
16519 (RTX_SIZE): Rename to...
16520 (RTX_CODE_SIZE): ...this.
16523 PR tree-optimization/17106
16524 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
16525 (Anchored Addresses): New section.
16526 * doc/invoke.texi (-fsection-anchors): Document.
16527 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
16528 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
16529 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
16530 * hooks.c (hook_bool_mode_rtx_false): New function.
16531 * hooks.h (hook_bool_mode_rtx_false): Declare.
16532 * gengtype.c (create_optional_field): New function.
16533 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
16534 SYMBOL_REF_IN_BLOCK_P is true.
16535 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
16536 (min_anchor_offset, max_anchor_offset): Likewise.
16537 (use_anchors_for_symbol_p): New hook.
16538 * toplev.c (compile_file): Call output_object_blocks.
16539 (target_supports_section_anchors_p): New function.
16540 (process_options): Check that -fsection-anchors is only used on
16541 targets that support it and when -funit-at-a-time is in effect.
16542 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
16543 if the decl doesn't have one.
16544 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
16545 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
16546 of force_const_mem through use_anchored_address.
16547 (expand_expr_constant): New function.
16548 (expand_expr_addr_expr_1): Call it. Use the same modifier when
16549 calling expand_expr for INDIRECT_REF.
16550 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
16551 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
16552 * expr.h (use_anchored_address): Declare.
16553 * loop-unroll.c: Don't declare rtx vectors here.
16554 * explow.c: Include output.h.
16555 (validize_mem): Call use_anchored_address.
16556 (use_anchored_address): New function.
16557 * common.opt (-fsection-anchors): New switch.
16558 * varasm.c (object_block_htab, anchor_labelno): New variables.
16559 (hash_section, object_block_entry_eq, object_block_entry_hash)
16560 (use_object_blocks_p, get_block_for_section, create_block_symbol)
16561 (use_blocks_for_decl_p, change_symbol_section): New functions.
16562 (get_variable_section): New function, split out from assemble_variable.
16563 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
16564 use_blocks_for_decl_p say so. Use change_symbol_section if the
16565 symbol has already been created.
16566 (assemble_variable_contents): New function, split out from...
16567 (assemble_variable): ...here. Don't output any code for
16568 block symbols; just pass them to place_block_symbol.
16569 Use get_variable_section and assemble_variable_contents.
16570 (get_constant_alignment, get_constant_section, get_constant_size): New
16571 functions, split from output_constant_def_contents.
16572 (build_constant_desc): Create a block symbol if use_object_blocks_p
16573 says so. Or into SYMBOL_REF_FLAGS.
16574 (assemble_constant_contents): New function, split from...
16575 (output_constant_def_contents): ...here. Don't output any code
16576 for block symbols; just pass them to place_section_symbol.
16577 Use get_constant_section and get_constant_alignment.
16578 (force_const_mem): Create a block symbol if use_object_blocks_p and
16579 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
16580 (output_constant_pool_1): Add an explicit alignment argument.
16581 Don't switch sections here.
16582 (output_constant_pool): Adjust call to output_constant_pool_1.
16583 Switch sections here instead. Don't output anything for block symbols;
16584 just pass them to place_block_symbol.
16585 (init_varasm_once): Initialize object_block_htab.
16586 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
16587 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
16588 (place_block_symbol, get_section_anchor, output_object_block)
16589 (output_object_block_htab, output_object_blocks): New functions.
16590 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
16591 (TARGET_ASM_OUT): Include it.
16592 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
16593 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
16594 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
16595 (TARGET_INITIALIZER): Include them.
16596 * rtl.c (rtl_check_failed_block_symbol): New function.
16597 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
16598 (block_symbol, object_block): New structures.
16599 (rtx_def): Add a block_symbol field to the union.
16600 (BLOCK_SYMBOL_CHECK): New macro.
16601 (rtl_check_failed_block_symbol): Declare.
16602 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
16603 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
16604 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
16605 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
16606 * output.h (output_section_symbols): Declare.
16607 (object_block): Name structure.
16608 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
16609 (default_use_anchors_for_symbol_p): Declare.
16610 * Makefile.in (RTL_BASE_H): Add vec.h.
16611 (explow.o): Depend on output.h.
16612 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
16613 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
16614 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
16615 (rs6000_use_blocks_for_constant_p): New function.
16617 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16619 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
16621 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16624 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
16627 2006-02-18 Diego Novillo <dnovillo@redhat.com>
16629 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
16633 2006-02-18 Jakub Jelinek <jakub@redhat.com>
16635 PR middle-end/26334
16636 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
16637 instead of DECL_REGISTER.
16639 2006-02-18 Olivier Hainque <hainque@adacore.com>
16642 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
16644 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
16647 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
16648 * opth-gen.awk: Handle Var and InverseMask together.
16649 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
16650 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
16651 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
16652 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
16654 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16655 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16656 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
16657 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16658 LINUX_DYNAMIC_LINKER): Define.
16659 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
16660 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
16662 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16663 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
16664 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16665 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16666 (TARGET_C99_FUNCTIONS): Don't define.
16667 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
16668 GLIBC_DYNAMIC_LINKER.
16669 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
16670 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
16671 GLIBC_DYNAMIC_LINKER64): Define.
16672 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16673 LINUX_DYNAMIC_LINKER64.
16674 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16675 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16676 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
16677 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16678 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16679 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16680 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
16681 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
16682 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
16683 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
16684 and LINUX_DYNAMIC_LINKER32.
16685 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16686 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16687 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
16688 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16689 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
16691 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
16692 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
16693 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16694 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16695 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16696 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
16697 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
16698 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
16699 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16700 LINUX_DYNAMIC_LINKER): Define.
16701 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
16702 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
16703 GLIBC_DYNAMIC_LINKER64): Define.
16704 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16705 LINUX_DYNAMIC_LINKER64.
16706 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16707 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16708 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
16709 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16710 LINUX_DYNAMIC_LINKER): Define.
16711 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16712 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16713 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
16714 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
16715 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
16716 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16717 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
16718 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
16719 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16720 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16721 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16722 * doc/invoke.texi (-muclibc): Remove caveat about supported
16725 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
16727 * doc/cpp.texi (__TIMESTAMP__): Document.
16729 2006-02-17 Roger Sayle <roger@eyesopen.com>
16731 PR middle-end/25600
16732 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
16733 C is one less than the width of X (and related transformations).
16734 * simplify-rtx.c (simplify_unary_operation_1): Transform
16735 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
16736 depending on STORE_FLAG_VALUE, were C is one less then the
16739 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
16741 Fix PR tree-optimization/26341
16742 * tree-ssa-operands.c (add_virtual_operand): Remove assert
16743 about NAME_MEMORY_TAG's.
16745 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16748 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
16749 with hardware float support, and software float support. Add fcpy
16750 alternative to hardware patterns. Add alternatives to copy between
16751 general and floating-point registers to the 32-bit pattern.
16752 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
16753 secondary reload to load a QI or HI mode constant into a floating
16755 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
16756 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
16758 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
16761 * config/rs6000/darwin.md (load_macho_picbase_si): Add
16763 (load_macho_picbase_di): Likewise.
16765 2006-02-16 Jeff Law <law@redhat.com>
16767 * tree-vrp.c (set_value_range_to_nonnegative): New function.
16768 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
16769 (ssa_name_nonzero_p): Likewise.
16770 (get_value_range): Return NULL if VRP is not running.
16771 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
16772 VRP routines do not discover a range.
16773 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
16774 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
16775 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
16776 (tree_expr_nonnegative_p): Similarly.
16777 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
16778 (restore_nonzero_vars_to_original_value): Remove.
16779 (unsafe_associative_fp_binop): Remove.
16780 (tree_ssa_dominator_optimize): Remove initialization and
16781 finalization of nonzero_vars and nonzero_vars_stack.
16782 (dom_opt_initialize_block): No longer push marker on
16783 nonzero_vars_stack.
16784 (dom_opt_finalize_block): No longer call
16785 restore_nonzero_vars_to_original_value.
16786 (record_equivalences_from_phis): No longer look for
16787 nonzero PHI arguments.
16788 (cprop_into_successor_phis): No longer propagate nonzero
16789 property into PHI arguments. Lose unused argument. Caller
16791 (record_equivalences_from_stmt): No longer record nonzero
16792 values for SSA_NAMEs.
16793 (lookup_avail_expr): No longer use nonzero_vars.
16795 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
16796 for sizetype when sizetype is unsigned.
16798 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
16800 PR rtl-optimization/25603
16801 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
16802 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
16803 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
16804 with new meaning of SETS.
16806 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
16811 * config/linux.opt: New file.
16812 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
16813 LINUX_DYNAMIC_LINKER): Define.
16814 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
16815 * config.gcc (*-*-linux*): Define extra_options.
16816 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
16817 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
16818 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
16819 GLIBC_DYNAMIC_LINKER.
16820 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
16821 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16822 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16823 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16824 * doc/invoke.texi (GNU/Linux Options): New section.
16826 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
16828 * config/sparc/sparc.md (setjmp): Rewrite.
16829 (setjmp_32): Delete.
16830 (setjmp_64): Likewise.
16832 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
16834 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
16837 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
16839 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
16842 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
16844 PR rtl-optimization/26296
16845 * Makefile.in (loop-invariant.c): Add except.h dependency.
16846 * loop-invariant.c: Include except.h.
16847 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
16849 2005-02-16 Paul Brook <paul@codesourcery.com>
16851 * reload1.c (emit_reload_insns): Invalidate dead input registers used
16854 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
16856 PR rtl-optimization/25636
16857 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
16858 when deciding whether an insn is an initializing insn.
16860 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
16862 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
16863 (tree_code_size): Ditto.
16864 * tree.h (struct tree_memory_tag): Remove parent_var.
16865 (struct tree_struct_field_tag): New.
16868 (union tree_node): Add sft member.
16869 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
16871 (create_sft): Add size and offset argument, set SFT_OFFSET and
16873 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
16874 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
16875 * tree-flow-inline.h (get_subvar_at): Update for
16876 SFT_OFFSET/SFT_SIZE.
16877 (var_can_have_subvars): Ditto.
16878 (overlap_subvar): Ditto.
16879 * print-tree.c (print_node): Print out interesting things for
16881 * tree-flow.h (struct subvar): Remove offset and size members.
16882 * tree-ssa-operands.c (get_expr_operands): Update for
16883 get_indirect_ref_operands changes.
16884 (get_indirect_ref_operands): Call add_virtual_operand instead of
16885 add_stmt_operand. Only recurse on base var if requested.
16886 (access_can_touch_variable): New function.
16887 (add_stmt_operand): Split virtual operand handling into ...
16888 (add_virtual_operand): Here. Add offset, size, and for_clobber
16889 arguments. Prune alias sets.
16890 (add_call_clobber_ops): Call add_virtual_operand.
16892 2006-02-15 Jakub Jelinek <jakub@redhat.com>
16894 PR middle-end/26300
16895 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
16897 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
16898 than TREE_CODE as index into omp_clause_num_ops array.
16900 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
16902 PR rtl-optimization/26184
16903 * modulo-sched.c (generate_reg_moves): Free bitmap vector
16905 * modulo-sched.c (sms_schedule): Free g_arr pointer.
16906 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
16907 must_precede, must_follow and tobe_scheduled.
16910 * opts.c (common_handle_option): Free new_option pointer.
16911 * df-core.c (df_analyze): Free postorder pointer.
16913 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16915 * Makefile.in: Fix the examples about the use of stamps
16917 2006-02-15 Michael Matz <matz@suse.de>
16919 PR middle-end/22275
16921 * stor-layout.c (layout_decl): Zero-width bitfields aren't
16922 influenced by maximum_field_alignment or DECL_PACKED.
16923 (update_alignment_for_field): Ditto.
16924 (place_field): Ditto.
16925 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
16928 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
16930 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
16931 (debug_flow_info): Pass it.
16932 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
16933 * bb-reorder.c (reorder_basic_blocks): Likewise.
16934 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
16935 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
16936 * flow.c (life_analysis, recompute_reg_usage): Likewise.
16937 * gcse.c (gcse_main, bypass_jumps): Likewise.
16938 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
16939 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
16940 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
16941 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
16942 * rtl.h (dump_flow_info): Adjust prototype.
16943 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
16944 * var-tracking.c (variable_tracking_main): Likewise.
16945 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
16946 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
16949 2006-02-15 Marcin Dalecki <martin@dalecki.de>
16951 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
16954 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
16956 PR tree-optimization/26209
16957 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
16958 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
16960 * tree-cfg.c (replace_uses_by): Do not alter cfg.
16962 2006-02-14 Roger Sayle <roger@eyesopen.com>
16964 PR middle-end/23670
16965 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
16966 (X,Y) and the corresponding symmetry related transformations.
16967 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
16968 (X,Y) and its symmetry related transformations.
16970 2006-02-14 Roger Sayle <roger@eyesopen.com>
16972 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
16975 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
16977 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
16979 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16982 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
16983 support COMDAT group.
16984 * configure: Regenerate.
16986 2006-02-14 Roger Sayle <roger@eyesopen.com>
16988 PR middle-end/26279
16989 PR middle-end/26280
16990 PR middle-end/26283
16991 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
16993 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
16995 Fix PR tree-optimization/26260
16997 * doc/invoke.texi (max-fields-for-field-sensitive): Document
16999 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
17000 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
17001 * tree-ssa-structalias.c (create_variable_info_for): Use
17002 MAX_FIELDS_FOR_FIELD_SENSITIVE.
17004 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
17006 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
17008 * tree-ssa-loop-niter.c (number_of_iterations_ne,
17009 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
17010 of the ending condition.
17011 * tree-ssa-loop-manip.c: Include params.h.
17012 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
17013 tree_unroll_loop): New functions.
17014 * tree-pass.h (pass_loop_prefetch): Declare.
17015 * loop.c (rest_of_handle_loop_optimize): Test for
17016 -fprefetch-loop-arrays-rtl.
17017 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
17018 * timevar.def (TV_TREE_PREFETCH): New timevar.
17019 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
17020 pass_loop_prefetch): New.
17021 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
17022 (cleanup_tree_cfg_loop): Call scev_reset.
17023 * common.opt (fprefetch-loop-arrays-rtl): Add.
17024 * tree-ssa-loop-prefetch.c: New file.
17025 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
17026 (new_temp_expr_table): Initialize expr_vars.
17027 (free_temp_expr_table): Cleanup expr_vars.
17028 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
17029 expressions from being merged into one.
17030 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
17031 (struct tree_niter_desc): Add control, bound and cmp fields.
17032 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
17034 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
17035 (tree-cfgcleanup.o): Add SCEV_H dependency.
17036 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
17037 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
17039 2006-02-14 Richard Guenther <rguenther@suse.de>
17041 PR tree-optimization/26258
17042 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
17043 in PHI argument processing.
17045 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
17047 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
17048 new expression in the requested machine mode.
17050 2006-02-13 Roger Sayle <roger@eyesopen.com>
17052 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
17053 directly, instead let do_compare_rtx_and_jump handle this for us.
17054 * expr.c (expand_expr_real_1): Likewise.
17055 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
17056 before do_jump_by_parts_greater.
17057 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
17058 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
17060 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17062 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
17064 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
17066 PR rtl-optimization/26235
17067 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
17068 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
17071 2006-02-13 Jeff Law <law@redhat.com>
17073 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
17076 2006-02-13 Jakub Jelinek <jakub@redhat.com>
17078 PR middle-end/26092
17079 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
17080 twice if decl is a builtin. When trying again, call get_callee_fndecl
17081 first to verify it is still a builtin.
17083 2006-02-13 Geoffrey Keating <geoffk@apple.com>
17085 * dwarf2out.c (base_type_die): Don't add AT_name here.
17086 (subrange_type_die): Don't add AT_name here.
17087 (modified_type_die): Rearrange code flow. Do add AT_name here.
17089 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
17091 PR rtl-optimization/26247
17092 PR rtl-optimization/26248
17093 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
17095 2006-02-13 Richard Sandiford <richard@codesourcery.com>
17097 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
17098 * config/fixtfdi.c: Likewise.
17099 * config/fixunstfdi.c: Likewise.
17100 * config/floatditf.c: Likewise.
17102 2006-02-13 Roger Sayle <roger@eyesopen.com>
17104 PR middle-end/24427
17105 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
17106 into (X,C2) if C1 is a subset of the bits of C2. Transform
17107 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
17109 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
17111 2006-02-13 Josh Conner <jconner@apple.com>
17114 * varasm.c (function_section): Check for section name before
17115 calling select_section on targets that define
17116 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
17117 unlikely_text_section instead of hot_function_section if
17118 first_function_block_is_cold.
17120 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
17122 PR middle-end/25335
17123 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
17125 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
17127 PR rtl-optimization/26222
17128 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
17129 after tree->rtl expansion.
17130 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
17131 before passing it to emit_move_insn.
17133 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
17135 * doc/invoke.texi (-Write-strings): Document that it is enabled by
17137 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
17138 Clarify documentation.
17139 * c-common.h (warn_write_strings): Remove.
17140 * c-common.c (warn_write_strings): Likewise.
17141 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
17144 2006-02-12 Roger Sayle <roger@eyesopen.com>
17146 PR middle-end/25724
17147 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
17148 (do_jump_parts_zero_rtx): New function renamed from
17149 do_jump_parts_equality_rtx. Made static. Add a mode argument.
17150 (do_jump_parts_equality_rtx): New function split out from
17151 do_jump_parts_equality. Old implementation renamed as above.
17152 Call do_jump_parts_zero_rtx if either operand is zero.
17153 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
17154 do all of the heavy lifting.
17155 (do_compare_rtx_and_jump): Handle multi-word comparisons by
17156 calling either do_jump_by_parts_greater_rtx or
17157 do_jump_by_parts_equality_rtx.
17158 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
17159 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
17160 moved to do_compare_rtx_and_jump, call it directly.
17161 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
17162 mode argument. Call do_compare_rtx_and_jump.
17163 (emit_case_nodes): Update calls to do_jump_if_equal.
17165 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
17167 PR rtl-optimization/26225
17168 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
17170 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
17172 PR rtl-optimization/26232
17173 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
17175 2006-02-11 Jason Merrill <jason@redhat.com>
17178 * tree-inline.c (declare_return_variable): Just don't use the
17179 modify target if it's a gimple complex reg and the return slot
17182 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17184 * doc/contrib.texi: Update my entry.
17186 2006-02-10 Geoffrey Keating <geoffk@apple.com>
17188 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
17190 2006-02-10 Diego Novillo <dnovillo@redhat.com>
17192 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
17195 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
17197 * doc/invoke.texi (-floop-optimize2): Removed.
17198 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
17199 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
17200 Test flag_branch_on_count_reg only if HAVE_doloop_end.
17201 * common.opt (floop-optimize2): Removed.
17202 (fmove-loop-invariants): Enabled by default.
17204 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
17206 * tree-if-conv.c (combine_blocks): Free the result of
17207 get_loop_exit_edges.
17209 2006-02-10 Jeff Law <law@redhat.com>
17211 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
17213 PR tree-optimization/26213
17214 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
17215 loop trying to follow SSA_NAME_VALUE chains.
17217 2006-02-10 Richard Guenther <rguenther@suse.de>
17219 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
17220 deal with structures that end in implicitly variable sized arrays.
17222 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
17224 PR rtl-optimization/24762
17225 * df-scan.c (df_bb_refs_record): Record correct registers defined on
17228 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
17230 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
17231 (struct ivopts_data): Add regs_used field.
17232 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
17233 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
17234 instead of loop_data->regs_used;
17235 (free_loop_data): Do not free aux fields for loops.
17236 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
17237 and tree_ssa_iv_optimize_finalize.
17239 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
17241 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
17243 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
17246 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
17247 computing the effective result type.
17249 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
17251 PR inline-asm/16194
17252 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
17253 (tree_overlaps_hard_reg_set): Declare.
17254 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
17255 type and signature to match function type expected by walk_tree.
17256 (tree_overlaps_hard_reg_set): New function.
17257 (decl_conflicts_with_clobbers_p): Rename to:
17258 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
17259 Use tree_overlaps_hard_reg_set. Changed caller.
17260 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
17261 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
17262 * cris.c (cris_md_asm_clobbers): Likewise.
17264 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
17266 * reload1.c (emit_input_reload_insns): Delete code that tries to
17267 inherit using find_equiv_reg.
17269 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
17271 * c-common.h (flag_const_strings): Don't declare.
17272 * c-common.c (flag_const_strings): Remove.
17273 * c.opt (fconst_strings): Remove.
17274 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
17275 <OPT_Wwrite_strings>: Don't set flag_const_strings.
17276 (c_common_init_options): Don't set flag_const_strings.
17277 * doc/invoke.texi (-fno-const-strings): Remove documentation.
17279 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
17281 * arm.md (tlobits_cbranch): New pattern.
17282 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
17283 testing a single bit.
17285 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17288 * tree-ssa-pre.c (create_component_ref_by_pieces):
17289 Handle RETURN_DECL like VAR_DECL.
17291 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17293 PR middle-end/26134
17294 * fold-const.c (fold_indirect_ref_1): Fold
17295 "*(foo *)&complexfoo" to "__real__ complexfoo"
17296 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
17298 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17300 * tree-flow-inline.h (var_can_have_subvars):
17301 Volatile variables should not have subvariables.
17303 2006-02-09 Diego Novillo <dnovillo@redhat.com>
17306 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
17307 multiplying unsigned values.
17310 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
17312 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
17314 2006-02-08 Jason Merrill <jason@redhat.com>
17317 * tree.def: Elaborate on difference from MODIFY_EXPR.
17318 * doc/c-tree.texi (INIT_EXPR): Likewise.
17319 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
17320 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
17321 (gimplify_target_expr): Likewise.
17322 (gimplify_cond_expr): Remove target handling.
17323 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
17324 (gimplify_expr): Clobber it here.
17325 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
17326 Do return slot optimization if we have an INIT_EXPR.
17329 * tree-inline.c (declare_return_variable): Also clear
17330 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
17333 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
17335 PR middle-end/22439
17336 * gimplify.c (gimplify_one_sizepos): Fix typo.
17338 2006-02-08 Jeff Law <law@redhat.com>
17340 PR tree-optimization/21417
17341 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
17342 across a backedge if the control statement at the end of the
17343 block is data dependent on other statements in the same block.
17344 (record_temporary_equivalences_from_stmts): Remove over-conservative
17345 test for threading across backedges.
17347 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
17348 control statement, handle all three special cases in the same
17349 manner as they all have the same desired solution. No longer
17350 special case edge flag updating when the post dominator is
17353 2006-02-08 Roger Sayle <roger@eyesopen.com>
17355 * tree.def (CHAR_TYPE): Remove.
17356 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
17357 * dwarf2out.c (base_type_die, is_base_type): Likewise.
17358 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
17359 (gen_string_type_die): Delete unreachable function.
17361 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
17362 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
17363 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
17364 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
17365 * builtins.c (type_to_class): Likewise.
17366 * fold-const.c (fold_convert, build_range_check,
17367 merge_ranges): Likewise.
17368 * expr.c (count_type_elements): Likewise.
17369 * c-pretty-print.c (pp_c_type_specifier): Likewise.
17370 * stor-layout.c (layout_type): Likewise.
17371 * ipa-type-escape.c (type_to_consider): Likewise.
17372 * gimplify.c (omp_firstprivatize_type_sizes,
17373 gimplify_type_sizes): Likewise.
17374 * explow.c (promote_mode): Likewise.
17375 * tree-sra.c (is_sra_scalar_type): Likewise.
17376 * varasm.c (output_constant): Likewise.
17377 * tree-inline.c (remap_type_1): Likewise.
17378 * convert.c (convert_to_pointer, convert_to_real,
17379 convert_to_integer, convert_to_complex): Likewise.
17381 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
17383 * df-scan.c (df_def_record_1): A set destination may
17384 be a parallel regardless of mode.
17386 2006-02-08 Roger Sayle <roger@eyesopen.com>
17389 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
17390 * config/mips/_tilib.c: Remove.
17391 * config/fixtfdi.c: New libgcc source file.
17392 * config/fixunstfdi.c: New source file.
17393 * config/floatditf.c: New source file.
17394 * config/floatunditf.c: New souce file.
17395 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
17396 files above instead of config/mips/_tilib.c.
17397 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
17399 2006-02-08 Jeff Law <law@redhat.com>
17401 PR tree-optimization/26169
17402 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
17405 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
17407 * df.h (DF_REG_SIZE): Return the length of the initialized
17410 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
17412 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
17413 __muldf3): Return a correctly signed zero.
17415 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
17417 * passes.c (register_one_dump_file): Accept the current properties
17418 instead of pass number. Adjust call to dump_register. Remove
17420 (register_dump_files): Now a wrapper around...
17421 (register_dump_files_1): ... this one. Do not modify the pass
17423 (next_pass_1): Cosmetic fix.
17424 (execute_todo): Keep second parameter only. Use curr_properties
17425 instead of fetching it from the pass structure. Check and set
17427 (execute_one_pass): Handle TODO_set_props. Use curr_properties
17428 instead of fetching it from the pass structure. Fix calls to
17429 execute_todo. Update curr_properties and initialize .vcg RTL dump
17430 after running the pass. Reset last_verified.
17431 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
17433 (FIRST_AUTO_NUMBERED_DUMP): New.
17434 (dump_register): Remove "num" parameter, assign it within the
17436 (get_dump_file_name): Modify template for dumps.
17437 * tree-dump.h (dump_register): Adjust prototype.
17438 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
17439 (PROP_trees): Add PROP_gimple_lomp.
17440 (TODO_set_props): New.
17441 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
17442 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
17443 * cfgexpand.c (pass_expand): Destroy PROP_trees.
17445 2006-02-08 Jakub Jelinek <jakub@redhat.com>
17447 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
17448 (sparc64-*-linux*): Likewise.
17449 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
17450 * config/sparc/t-linux: New file.
17451 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
17452 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
17453 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
17454 -m32 -mlong-double-128.
17456 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
17457 * config/alpha/t-linux: New file.
17458 * config/alpha/libgcc-alpha-ldbl.ver: New file.
17460 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
17461 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
17462 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
17463 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
17464 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
17465 (CPP_ARCH32_SPEC): Remove.
17467 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
17469 PR tree-optimization/26145
17470 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
17473 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17476 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
17477 >= 240000 when generating code for SOM runtime.
17478 (output_indirect_call): Don't use "b,l" instruction for indirect calls
17479 to $$dyncall when generating code for SOM runtime..
17481 2006-02-07 Dirk Mueller <dmueller@suse.com>
17484 * doc/invoke.texi (-Wsequence-point): Update documentation
17485 that -Wsequence-point is implemented for C++ as well.
17487 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17489 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
17490 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
17491 (LIB_SPEC): Likewise.
17492 * doc/invoke.texi (SPARC options): Document -pthread.
17494 2006-02-07 Geoffrey Keating <geoffk@apple.com>
17496 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
17499 2006-02-07 Roger Sayle <roger@eyesopen.com>
17501 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
17502 Correct comment describing BOOLEAN_TYPE.
17504 2006-02-07 Dirk Mueller <dmueller@suse.com>
17506 * c.opt: C++ frontend supports -Wdiv-by-zero.
17507 * c-opts.c (c_common_handle_option): Remove dead case.
17509 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17511 * configure.ac (TLS assembler check): Do not enable TLS by
17512 default on SPARC/Solaris before version 10.
17513 * configure: Regenerate.
17515 2006-02-07 David Edelsohn <edelsohn@gnu.org>
17517 * doc/invoke.texi (xl-compat): Document conversion and support
17520 2006-02-07 Jeff Law <law@redhat.com>
17522 * tree-vrp.c (find_conditional_asserts): Update comments.
17523 (simplify_stmt_for_jump_threading): New.
17524 (identify_jump_threads, finalize_jump_threads): New.
17525 (vrp_finalize): Call identify_jump_threads.
17526 (execute_vrp): Call finalize_jump_threads.
17527 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
17528 (vrp_element, vrp_data, vrp_element_p): Remove.
17529 (vrp_hash_elt, vrp_variables_stack): Remove.
17530 (vrp_hash, vrp_eq, record_range): Remove.
17531 (simplify_cond_and_lookup_avail_expr): Remove.
17532 (extract_range_from_cond): Remove.
17533 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
17534 (simplify_stmt_for_jump_threading): New.
17535 (dom_thread_across_edge): New wrapper.
17536 (tree_ssa_dominator_optimize): No longer initialize or
17537 finalize any of the VRP datastructures. Remove iteration
17538 step and simplify as a result of removal of iteration step.
17539 (pass_dominator): Perform a cfg cleanup after DOM.
17540 (dom_opt_finalize_block): Use the new common routines
17541 for threading jumps. Simplify stack management slightly.
17542 No longer need to unwind VRP state.
17543 (record_equivalences_from_incoming_edge): No longer record
17545 (eliminate_redundant_computations): No longer call
17546 simplify_cond_and_lookup_avail_expr.
17547 * tree-flow.h (potentially_threadable_block): Prototype.
17548 (thread_across_edge): Likewise.
17549 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
17550 (tree-ssa-threadedge.o): Add dependencies.
17551 * tree-ssa-threadedge.c: New file.
17552 * passes.c (init_optimization_passes): Merge PHIs before
17553 calling VRP. Run VRP again late in the SSA optimization pipeline.
17555 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17557 * df-core.c (df_set_blocks): Do not dereference function pointers.
17558 (df_finish1): Likewise.
17559 (df_hybrid_search_forward): Likewise.
17560 (df_hybrid_search_backward): Likewise.
17561 (df_iterative_dataflow): Likewise.
17562 (df_analyze_problem): Likewise.
17563 (df_compact_blocks): Likewise.
17564 (df_dump): Likewise.
17565 * df-scan.c (df_rescan_blocks): Likewise.
17566 (df_record_entry_block_defs): Likewise.
17568 * genconditions.c (write_conditions): Guard the definition of
17569 'insn_conditions' with the check on GCC version.
17570 (write_writer): Guard the traversal 'insn_conditions' with
17571 the check on GCC version.
17573 2006-02-07 Richard Guenther <rguenther@suse.de>
17577 2006-01-30 Richard Guenther <rguenther@suse.de>
17579 * gimplify.c (gimplify_target_expr): Handle easy cases
17580 without creating a temporary.
17582 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
17584 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
17585 use of float in probability computations. Use edge probabilities
17586 in place of statically computed probabilities.
17587 (min_spec_prob): New static variable.
17588 (schedule_insns): Initialize it.
17589 (GET_SRC_PROB): Removed.
17590 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
17592 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
17595 * config/ia64/unwind-ia64.c: Revert last change.
17596 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
17597 (INCOMING_FRAME_SP_OFFSET): Define.
17599 2006-02-06 Roger Sayle <roger@eyesopen.com>
17601 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
17603 2006-02-07 Ben Elliston <bje@au.ibm.com>
17605 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
17606 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
17607 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
17608 (ix86_return_in_memory): Handle TDmode.
17609 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
17610 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
17612 2006-02-06 Richard Sandiford <richard@codesourcery.com>
17614 * reorg.c (dbr_schedule): Use dump_file instead of file.
17616 2006-02-06 Steve Ellcey <sje@cup.hp.com>
17619 * config/ia64/predicates.md (extr_len_operand): New predicate.
17620 * config/ia64/ia64.md (extv): Tighten constraints.
17622 (*tbit_and_2): Ditto.
17623 (*tbit_and_3): Ditto.
17624 (*tbit_or_2): Ditto.
17625 (*tbit_or_3): Ditto.
17626 (*bit_zero): Ditto.
17629 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
17632 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
17634 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
17636 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
17637 loop_optimizer_init and loop_optimizer_finalize
17638 * tree-ssa-sink.c (execute_sink_code): Ditto.
17639 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
17640 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
17641 tree_ssa_loop_done): Ditto.
17642 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
17643 * sched-ebb.c: Include output.h.
17644 (schedule_ebbs): Do not use dump argument.
17645 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
17646 * loop.c (loop_dump_stream): Removed.
17647 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
17649 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
17650 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
17651 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
17652 loop_iterations, strength_reduce, record_biv, record_giv,
17653 final_giv_value, check_final_value, check_ext_dependent_givs,
17654 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
17655 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
17656 dump_file instead of loop_dump_stream.
17657 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
17658 argument dump_file.
17659 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
17661 * flow.c (life_analysis, rest_of_handle_life): Ditto.
17662 * haifa-sched.c: Include output.h
17663 (schedule_insns, sched_init): Do not use dump argument.
17664 * mode-switching.c (optimize_mode_switching): Ditto.
17665 * modulo-sched.c (stats_file): Removed.
17666 (print_node_sched_params): Do not call argument dump_file.
17667 (sms_schedule_by_order, loop_canon_p, sms_schedule,
17668 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
17670 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
17672 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
17673 rtl_loop_init, rtl_loop_done): Ditto.
17674 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
17675 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
17677 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
17678 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
17679 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
17680 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
17681 * emit-rtl.c (renumber_insns): Ditto.
17682 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
17683 expand_gimple_basic_block, tree_expand_cfg): Ditto.
17684 * regclass.c (regclass): Ditto.
17685 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
17686 remove_ssa_form, rewrite_out_of_ssa): Ditto.
17687 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
17688 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
17690 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
17691 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
17693 * gcse.c (gcse_file, debug_stderr): Removed.
17694 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
17695 rest_of_handle_gcse): Do not use dump argument.
17696 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
17697 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
17698 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
17699 compute_code_hoist_vbeinout, compute_code_hoist_data,
17700 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
17701 compute_store_table, build_store_vectors, insert_insn_start_bb,
17702 insert_store, remove_reachable_equiv_notes, replace_store_insn,
17703 store_motion): Use dump_file instead of gcse_file.
17704 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
17705 * profile.c (profile_dump_file): Removed.
17706 (branch_prob): Use dump_file instead of profile_dump_file.
17707 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
17709 * tree-ssa-copy.c (dump_copy_of): Ditto.
17710 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
17711 dump file to life_analysis.
17712 * bt-load.c (branch_target_load_optimize): Ditto.
17713 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
17715 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
17716 regclass, dbr_schedule): Declaration changed.
17717 * sched-int.h (sched_init): Declaration changed.
17718 * tree-profile.c (tree_profile_dump_file): Removed.
17719 (tree_profile_hooks): Removed profile_dump_file hook.
17720 * rtl-profile (rtl_profile_dump_file): Removed.
17721 (rtl_profile_hooks): emoved profile_dump_file hook.
17722 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
17724 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
17725 * tree-cfg.c (build_tree_cfg): Ditto.
17726 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
17727 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
17728 Declaration changed.
17729 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
17730 life_analysis and schedule_insns.
17731 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
17733 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
17735 * config/mips/mips.c (mips_reorg): Ditto.
17736 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
17739 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
17741 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17742 (s390_mangle_fundamental_type): New.
17743 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17746 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17747 (alpha_mangle_fundamental_type): New.
17748 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17751 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17753 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17755 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17756 (sparc_mangle_fundamental_type): New.
17758 2006-02-06 Jakub Jelinek <jakub@redhat.com>
17760 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
17761 (s390x-*-linux*): Likewise.
17762 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
17763 * config/s390/t-linux: New file.
17765 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
17767 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
17768 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
17770 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
17772 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
17773 (ANTIC_SAFE_LOADS): New macro.
17774 (find_or_generate_expression): Add prototype.
17775 (set_contains_value): Allow null set for sake of not always having
17776 to allocate ANTIC_SAFE_LOADS.
17777 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
17778 Allow COMPONENT_REF too.
17779 (valid_in_set): Allow COMPONENT_REF.
17780 Check ANTIC_SAFE_LOADS too.
17781 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
17782 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
17784 (can_PRE_operation): Add COMPONENT_REF.
17785 (create_component_ref_by_pieces): New function.
17786 (create_expression_by_pieces): Use create_component_ref_by_pieces.
17787 (insert_aux): Move AGGREGATE_TYPE_P check here.
17788 (compute_avail): Set bb local stmt uids.
17789 (pass_pre): Use TODO_update_ssa_only_virtuals.
17791 2006-02-06 Ben Elliston <bje@au.ibm.com>
17793 * configure.ac: Unconditionally disable decimal float by default.
17794 * configure: Regenerate.
17796 2006-02-06 Ben Elliston <bje@au.ibm.com>
17798 * read-rtl.c (read_name): Terminate reading on EOF.
17800 2006-02-06 Ben Elliston <bje@au.ibm.com>
17802 * dfp.c (decimal_real_arithmetic): Change second argument type
17803 from int to enum tree_code. Do not always return true, but now
17804 return result of any call to decimal_do helper functions.
17805 * dfp.h (decimal_real_arithmetic): Update prototype.
17807 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
17809 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
17811 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
17814 * tree-cfg.c (cleanup_dead_labels): Also don't remove
17817 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
17819 * tree-vrp.c (cfg_loops): Removed.
17820 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
17821 Use current_loops instead of cfg_loops. Pass flags to
17822 loop_optimizer_init.
17823 * cfgloopmanip.c (fix_loop_structure): Update only available
17825 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
17826 loop_optimizer_init.
17827 * modulo-sched.c (build_loops_structure): Removed.
17828 (sms_schedule): Use loop_optimizer_init.
17829 * loop-init.c (loop_optimizer_init): Use flags to determine
17830 which properties of loops to prepare.
17831 (rtl_loop_init): Pass flags to loop_optimizer_init.
17832 * tree-ssa-sink.c (execute_sink_code): Ditto.
17833 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
17834 * tree-ssa-pre.c (init_pre): Ditto.
17835 * cfgloop.h (LOOPS_NORMAL): New.
17836 (loop_optimizer_init): Declaration changed.
17838 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17840 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
17841 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
17843 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
17845 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
17847 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
17848 * pa/t-pa64: Delete quadlib.c rule.
17849 * pa/x-ada: Revert last change.
17850 * pa/t-pa: Revert last change. Delete quadlib.c rule.
17852 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
17854 PR rtl-optimization/26087
17855 * rtlanal.c (canonicalize_condition): Do not cross basic block
17858 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
17861 * config/ia64/ia64.c: Include debug.h.
17862 (MAX_ARTIFICIAL_LABEL_BYTES): New.
17863 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
17864 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
17865 (process_epilogue, process_set, process_for_unwind_directive):
17866 Output unwind info only if requested. Add CFA info if requested.
17867 Add new arguments as needed. Adjust callers.
17868 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
17870 (DWARF2_FRAME_INFO): Define to zero.
17871 * config/ia64/unwind-ia64.c: Remove code that compensated for
17872 the CFA offset error fixed above.
17873 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
17874 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
17875 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
17876 -funwind-tables and -fexceptions to enable frame info.
17877 (dwarf2out_frame_init): Define initial CFA even if
17878 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
17879 DWARF2_UNWIND_INFO is nonzero, not just defined.
17880 (dwarf2out_frame_finish): Output non-EH call frame info only
17881 if DWARF2_FRAME_INFO is nonzero.
17882 (convert_cfa_to_loc_list,
17883 compute_frame_pointer_to_cfa_displacement): Define even if
17884 unwind info is not supported.
17885 (gen_subprogram_die): Use the above unconditionally. Remove
17886 legacy alternate code.
17887 * toplev.c (compile_file): Compile in call to
17888 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
17889 (lang_dependent_init): Ditto for dwarf2out_frame_init.
17891 2006-02-04 David Edelsohn <edelsohn@gnu.org>
17892 Jakub Jelinek <jakub@redhat.com>
17894 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
17895 IBM extended float format long double as "g" on powerpc*-linux.
17897 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17900 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
17901 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
17903 2006-02-03 Jason Merrill <jason@redhat.com>
17906 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
17908 PR middle-end/25977
17909 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
17910 on the return slot if it's an NRV.
17912 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
17914 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
17915 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
17916 rewrite_use): Do not handle USE_OUTER.
17917 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
17918 add_iv_outer_candidates, may_replace_final_value,
17919 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
17920 (find_interesting_uses_op): Functionality of
17921 find_interesting_uses_outer_or_nonlin moved here.
17922 (find_interesting_uses_outside): Use find_interesting_uses_op.
17924 2006-02-03 Alan Modra <amodra@bigpond.net.au>
17927 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
17929 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
17930 Ulrich Weigand <uweigand@de.ibm.com>
17933 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
17934 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
17935 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
17936 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
17938 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
17939 (s390_rtx_costs): Use the new fields to calculate rtx costs.
17940 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
17941 Define secondary reloads for TFmode moves.
17942 (constant_modes): Add TFmode.
17943 (NR_C_MODES): Set to 8.
17944 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
17946 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
17947 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
17948 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
17949 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
17950 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
17951 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
17952 (FPR mode macro): Add TFmode.
17953 (DSF mode macro): New.
17954 (<de>, <dee> mode attributes): Removed.
17955 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
17956 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
17957 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
17958 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
17959 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
17960 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
17961 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
17962 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
17963 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
17964 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
17965 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
17966 "*negabs<mode>2", "sqrt<mode>2"):
17967 Changed <de> to <xde>. R constraint replaced by <Rf>.
17968 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
17970 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
17971 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
17972 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
17974 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
17975 "extenddftf2", "extendsftf2"): New expanders.
17976 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
17977 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
17978 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
17979 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
17981 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
17982 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
17983 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
17984 __floatditf): Add a GCC_4.1.0 symbol version tag.
17985 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
17988 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
17991 * config/i386/i386.c (ix86_function_ok_for_sibcall):
17992 Use targetm.binds_local_p instead of TREE_PUBLIC.
17994 2006-02-02 Roger Sayle <roger@eyesopen.com>
17996 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
17997 on INTEGER_TYPEs to indicate that it denotes a character type.
17998 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
17999 signed_char_type_node, unsigned_char_type_node and char_type_node.
18000 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
18001 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
18002 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
18004 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
18005 Daniel Berlin <dberlin@dberlin.org>
18007 * tree-tailcall.c (arg_needs_copy_p): New function.
18008 (eliminate_tail_call): Use arg_needs_copy_p.
18009 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
18010 (add_virtual_phis): New function.
18012 2006-02-02 Jakub Jelinek <jakub@redhat.com>
18014 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
18015 #ignore instead of #scratch for %g7 .register directive.
18017 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
18019 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
18022 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
18024 * flow.c (calculate_global_regs_live): Assert that there aren't any
18027 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
18029 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
18030 what its name says.
18031 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
18032 bsi_after_labels iterator.
18033 * tree-if-conv.c (find_phi_replacement_condition,
18034 replace_phi_with_cond_modify_expr): Likewise.
18035 * tree-scalar-evolution.c (scev_const_prop): Likewise.
18036 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
18038 2006-02-02 Diego Novillo <dnovillo@redhat.com>
18040 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
18042 2006-02-02 Diego Novillo <dnovillo@redhat.com>
18045 * tree-cfg.c (move_block_to_fn): Clear out the basic block
18046 array after growing it.
18048 2006-02-01 Steve Ellcey <sje@cup.hp.com>
18050 PR middle-end/24901
18051 * fold-const.c (fold_checksum_tree): Change type of buf.
18053 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
18055 * reload.c (push_secondary_reload): Initialize t_icode.
18057 2006-02-01 Jakub Jelinek <jakub@redhat.com>
18059 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
18060 -msoft-float -mlong-double-128 only issue a warning, but don't
18061 swich to DFmode long double.
18063 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
18065 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
18066 has a constant equivalent, iterate over equivalents for arg0,
18067 calling simplify_relational_operation and if there's a result
18068 cheaper than X, apply fold_rtx and return the result.
18070 2006-02-01 Jan Hubicka <jh@suse.cz>
18072 * opts.c (no_unit_at_a_time_default): New global variable.
18073 (decode_options): Use it.
18074 * opts.h (no_unit_at_a_time_default): Declare.
18076 2006-02-01 Paul Brook <paul@codesourcery.com>
18078 * function.c (assign_parm_setup_reg): Use function argument promotion
18080 * expr.c (expand_expr_real_1): Use function argument promotion rules
18083 2006-02-01 Steve Ellcey <sje@cup.hp.com>
18085 * gcc.c (process_command): Change j to 'unsigned int'.
18087 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
18089 PR middle-end/26001
18090 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
18091 Use the corrected index for the character
18092 out of the string constant.
18094 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
18096 * mode-switching.c (optimize_mode_switching): Fix size
18097 allocated for bb_info[n_entities].
18099 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
18101 * gcc.c (main): Correct type that is allocated for
18102 explicit_link_files.
18104 2006-01-31 Jakub Jelinek <jakub@redhat.com>
18106 * config/s390/s390.c (init_alignment_context): Set
18107 ALIAS_SET_MEMORY_BARRIER on the MEM.
18108 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
18110 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
18112 PR middle-end/25933
18113 * loop-unroll.c (unroll_loop_runtime_iterations): Free
18115 * tree-ssa-live.c (type_var_init): Allocate bitmap after
18118 2006-01-31 Marcin Dalecki <martin@dalecki.de>
18120 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
18121 * regrename.c: Ditto.
18122 * tree-ssa-loop-im.c: Ditto.
18123 * tree-dump.c: Ditto.
18124 * tree-complex.c: Ditto.
18125 * genrecog.c: Ditto.
18126 * tree-ssa-threadupdate.c: Ditto.
18128 * java/class.c: Ditto.
18129 * java/jcf-parse.c: Ditto.
18130 * java/resource.c: Ditto.
18131 * java/except.c: Ditto.
18132 * java/jvspec.c: Ditto.
18133 * java/jcf-write.c: Ditto.
18134 * java/jcf-path.c: Ditto.
18135 * java/gjavah.c: Ditto.
18136 * java/zextract.c: Ditto.
18137 * java/jcf-io.c: Ditto.
18138 * java/jcf.h: Ditto.
18139 * java/buffer.c: Ditto.
18140 * java/lang.c: Ditto.
18141 * java/parse-scan.y: Ditto.
18142 * java/lex.c: Ditto.
18143 * java/lex.h: Ditto.
18144 * cfgloopmanip.c: Ditto.
18145 * postreload-gcse.c: Ditto.
18146 * tree-ssa-loop-manip.c: Ditto.
18147 * postreload.c: Ditto.
18148 * tree-ssa-loop-ch.c: Ditto.
18151 * cppspec.c: Ditto.
18152 * diagnostic.c: Ditto.
18154 * genoutput.c: Ditto.
18156 * cfghooks.c: Ditto.
18157 * cfgloopanal.c: Ditto.
18158 * objc/objc-act.c: Ditto.
18160 * genextract.c: Ditto.
18161 * genautomata.c: Ditto.
18162 * pretty-print.c: Ditto.
18163 * genemit.c: Ditto.
18164 * cgraphunit.c: Ditto.
18166 * df-scan.c: Ditto.
18167 * haifa-sched.c: Ditto.
18168 * dominance.c: Ditto.
18170 * tree-ssa-loop-ivopts.c: Ditto.
18171 * df-core.c: Ditto.
18172 * mode-switching.c: Ditto.
18173 * modulo-sched.c: Ditto.
18175 * ipa-pure-const.c: Ditto.
18177 * fix-header.c: Ditto.
18179 * tree-stdarg.c: Ditto.
18180 * ipa-utils.c: Ditto.
18181 * loop-init.c: Ditto.
18182 * ipa-inline.c: Ditto.
18183 * cfganal.c: Ditto.
18185 * alloc-pool.c: Ditto.
18186 * dwarf2out.c: Ditto.
18188 * genattrtab.c: Ditto.
18189 * tree-ssa-loop-ivcanon.c: Ditto.
18190 * predict.c: Ditto.
18191 * timevar.c: Ditto.
18193 * fortran/gfortranspec.c: Ditto.
18194 * regmove.c: Ditto.
18195 * local-alloc.c: Ditto.
18196 * langhooks.c: Ditto.
18197 * function.c: Ditto.
18198 * tree-vectorizer.c: Ditto.
18200 * ipa-type-escape.c: Ditto.
18202 * tree-if-conv.c: Ditto.
18203 * profile.c: Ditto.
18205 * tree-data-ref.c: Ditto.
18206 * loop-unroll.c: Ditto.
18207 * treelang/treetree.c: Ditto.
18209 * bt-load.c: Ditto.
18210 * ggc-common.c: Ditto.
18212 * coverage.c: Ditto.
18214 * tree-cfgcleanup.c: Ditto.
18215 * tree-ssa-pre.c: Ditto.
18216 * cfgcleanup.c: Ditto.
18217 * loop-invariant.c: Ditto.
18218 * loop-iv.c: Ditto.
18219 * ipa-prop.c: Ditto.
18220 * print-tree.c: Ditto.
18221 * conflict.c: Ditto.
18222 * ggc-page.c: Ditto.
18223 * sched-deps.c: Ditto.
18224 * regclass.c: Ditto.
18225 * tree-object-size.c: Ditto.
18226 * combine.c: Ditto.
18227 * bb-reorder.c: Ditto.
18228 * resource.c: Ditto.
18229 * var-tracking.c: Ditto.
18230 * cfgloop.c: Ditto.
18231 * df-problems.c: Ditto.
18232 * reg-stack.c: Ditto.
18234 * gccspec.c: Ditto.
18235 * sched-rgn.c: Ditto.
18236 * tree-ssa-structalias.c: Ditto.
18237 * tree-ssa-reassoc.c: Ditto.
18238 * config/darwin-c.c: Ditto.
18239 * config/darwin.c: Ditto.
18240 * config/arm/arm.c: Ditto.
18242 * collect2.c: Ditto.
18243 * reload1.c: Ditto.
18245 2006-01-31 Nicolas Pitre <nico@cam.org>
18247 * arm.md (smaxsi3): Make aware of smax_m1.
18250 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
18252 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
18254 2006-01-31 Richard Guenther <rguenther@suse.de>
18256 * doc/invoke.texi (-msselibm): Document.
18257 * target.h (expand_library_builtin): New target hook.
18258 * builtins.c (expand_builtin): Use expand_library_builtin.
18259 (default_expand_library_builtin): New function.
18260 * gcc.c (LINK_GCC_MATH_SPEC): Define.
18261 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
18262 (link_gcc_math_spec): Declare.
18263 (static_specs): Add link_gcc_math_spec.
18264 * expr.h (default_expand_library_builtin): Declare.
18265 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
18266 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
18267 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
18268 * config/i386/i386.opt (msselibm): New target option.
18269 * config/i386/i386.c (ix86_builtin_function_variants): New array.
18270 (ix86_init_sse_abi_builtins): New function.
18271 (ix86_expand_library_builtin): Likewise.
18272 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
18273 (override_options): Handle error conditions wrt -msselibm.
18274 (ix86_builtins): Add function codes for SSE2 ABI builtins.
18275 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
18276 * doc/extend.texi (__builtin_sse2_*): Document new target specific
18279 2006-01-31 Richard Guenther <rguenther@suse.de>
18280 Paolo Bonzini <bonzini@gnu.org>
18282 * doc/install.texi (--disable-libgcc-math): Document.
18284 2006-01-30 Marcin Dalecki <martin@dalecki.de>
18286 * expr.h (expand_normal): new inline function.
18287 * builtins.c: use it, use EXPAND_NORMAL explicitely.
18288 * dojump.c: use it.
18289 * dwarf2out.c: use it.
18292 * expmed.c: use it.
18293 * except.c: use it.
18294 * config/sparc/sparc.c: use it.
18295 * config/i386/i386.c: use it.
18296 * config/rs6000/rs6000.c: use it.
18297 * config/arm/arm.c: use it.
18298 * config/mips/mips.c: use it.
18299 * stmt.c: use it, use EXPAND_NORMAL explicitely.
18301 2006-01-30 Roger Sayle <roger@eyesopen.com>
18303 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
18304 argv to the appropriate type.
18306 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
18308 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
18311 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
18314 * config/s390/s390.c (struct machine_function): New flag
18315 decomposed_literal_pool_addresses_ok_p.
18316 (s390_reorg): Set it before final stage of literal pool transforms.
18317 (s390_decompose_address): Only accept displacements of the form
18318 (minus (label_ref ...) (label_ref ...)) if that flag is set.
18320 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
18322 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
18323 the comparison routine return.
18325 2006-01-30 Michael Matz <matz@suse.de>
18327 * global.c (find_reg): Only evict for global regs.
18328 Take n_refs into account and dump more info.
18330 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
18333 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
18334 (pragma_trap, pragma_nosave_low_regs): Likewise.
18335 (current_function_anonymous_args): Likewise.
18336 (sh_deferred_function_attributes): New variable.
18337 (sh_deferred_function_attributes_tail): Likewise.
18338 (print_operand): For '@', look up trap_exit attribute.
18339 (calc_live_regs): Look up trapa_handler attribute. For trapa
18340 handlers, save/restore fpscr, but don't do any other
18341 interrupt-specific saves.
18342 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
18343 Fix check for partially saved registers to check for SHmedia.
18344 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
18345 (sh_output_function_epilogue): Don't clear any of the removed
18347 (sh_insert_attributes): Don't check pragma_interrupt.
18348 Insert deferred attributes. Check that interrupt attribute is
18349 present for other attributes that require its presence.
18350 (sh_attribute_table): Add new attributes trapa_handler and
18352 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
18353 Don't check for pragma_interrupt. Don't store argument.
18354 * sh.h (pragma_interrupt, sp_switch): Don't declare.
18355 (sh_deferred_function_attributes): Declare.
18356 (sh_deferred_function_attributes_tail): Likewise.
18357 * sh.md (sp_switch_1): Add operand. Change generator caller.
18358 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
18359 (*return_i): Don't use when trap_exit attribute is in effect.
18360 (*return_trapa): New insn pattern.
18361 * sh-c.c: New file.
18362 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
18363 setting c_target_objs and cxx_target_objs.
18364 * t-sh: Add rule for sh-c.o.
18366 2006-01-30 Richard Guenther <rguenther@suse.de>
18369 * gimplify.c (gimplify_target_expr): Handle easy cases
18370 without creating a temporary.
18372 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
18374 * vec.h (safe_grow): Remove duplicated line.
18376 2006-01-29 Diego Novillo <dnovillo@redhat.com>
18379 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
18380 (expand_omp): ... here.
18381 (expand_omp_parallel): Only remove barriers for combined
18382 parallel+workshare constructs.
18384 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
18388 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
18389 * tree.c (build_qualified_type): Chain the new type to the original
18390 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
18391 a POINTER_TYPE or a REFERENCE_TYPE respectively.
18392 (build_pointer_type_for_mode): Only return unqualified types.
18393 (build_reference_type_for_mode): Likewise.
18395 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
18397 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
18398 * Makefile.in (CXX_COMPAT_WARN): Define.
18399 * configure: Regenerate.
18401 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
18404 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
18407 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18409 * toplev.c: Fix thinko.
18411 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18412 Marcin Dalecki <martin@dalecki.de>
18414 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
18415 (push_srcloc): Use XNEW.
18416 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
18418 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
18420 * df-core.c (df_set_blocks): Deleted all variable.
18422 2006-01-28 Ian Lance Taylor <ian@airs.com>
18424 * cgraphunit.c (cgraph_assemble_pending_functions): Call
18425 cgraph_output_pending_asms.
18427 2006-01-28 Zack Weinberg <zackw@panix.com>
18429 * c.opt: Add -W(no-)overlength-strings.
18430 * doc/invoke.texi: Document it.
18431 * c-opts.c (c_common_handle_option): -pedantic implies
18432 -Woverlength-strings, if not explicitly disabled already.
18433 (c_common_post_options): -Woverlength-strings defaults to off, and
18434 is always off for C++.
18435 * c-common.c (fix_string_type): Issue warning about strings longer
18436 than is portable only if warn_overlength_strings. Rearrange code
18437 a little for clarity.
18438 * configure.in: Check for -Wno-overlength-strings as well before
18439 enabling -pedantic in stage 1.
18440 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
18441 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
18443 * genconditions.c (write_header, write_one_condition)
18444 (write_conditions, write_writer): Consolidate very long strings
18445 that were broken up to fit in C89 portable limit. Don't use
18446 printf when fputs will do.
18448 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
18450 * combine.c (simplify_comparison <AND>): Check
18451 TRULY_NOOP_TRUNCATION before start using a subreg.
18453 * config/mips/mips.md (*branch_zero<mode>,
18454 *branch_zero<mode>_inverted, *branch_equality<mode>,
18455 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
18456 Remove mode check from comparisons.
18458 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
18460 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
18462 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18464 * expmed.c (const_mult_add_overflow_p): Remove.
18465 * expr.h: Remove the prototype for const_mult_add_overflow_p.
18467 * recog.c (validate_replace_rtx_subexp): Remove.
18468 * recog.h: Remove the prototype for
18469 validate_replace_rtx_subexp.
18471 * integrate.h: Remove the prototype for
18472 copy_decl_for_inlining.
18473 * rtl.h: Remove the prototype for mark_constant_function.
18474 * tree-vectorizer.h: Remove the prototype for
18475 vect_strip_conversion.
18477 * modulo-sched.c (create_partial_schedule,
18478 free_partial_schedule, reset_partial_schedule): Make them
18481 * hooks.c (hook_bool_rtx_int_false): Remove.
18482 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
18484 2006-01-28 David Edelsohn <edelsohn@gnu.org>
18486 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18487 and -mlong-double-128 are incompatible.
18488 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
18489 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
18490 (TARGET_LIBGCC2_CFLAGS): Define.
18491 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
18492 (TARGET_LIBGCC2_CFLAGS): Same.
18493 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
18495 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18498 * c-typeck.c (build_binary_op): Perform implicit casts of
18499 operands before shortening them.
18501 * cfgloopmanip.c (split_loop_bb): Remove.
18502 * cfgloop.h: Remove the prototype for split_loop_bb.
18504 * cfgloop.c (flow_loop_outside_edge_p): Remove.
18505 * cfgloop.h: Remove the prototype for
18506 flow_loop_outside_edge_p.
18508 * emit-rtl.c (init_virtual_regs): Make it static.
18509 * function.h: Remove the prototype for init_virtual_regs.
18511 * recog.c (peephole2_optimize): Make it static.
18512 * recog.h: Remove the prototype for peephole2_optimize.
18514 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18516 * df-scan.c (df_record_entry_block_defs): Check if
18517 INCOMING_RETURN_ADDR_RTX is defined.
18519 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
18520 Kenneth Zadeck <zadeck@naturalbridge.com>
18522 PR rtl-optimization/24762
18523 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18524 * targhooks.c (hook_void_bitmap): New hook prototype.
18525 * targhoohs.h (hook_void_bitmap): Ditto.
18526 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
18527 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
18528 * target.h (live_on_entry): New function pointer.
18529 * df-scan.c (df_all_hard_regs): Removed.
18530 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
18531 (df_scan_free_internal): Added df->entry_block_defs.
18532 (df_scan_alloc): Ditto.
18533 (df_scan_dump): Ditto.
18534 (df_uses_record): Plumbed flag field properly thru calls.
18535 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
18536 This part fixes PR24762.
18537 (df_bb_refs_record): Added code to make the frame and arg
18538 pointers live in EH blocks.
18539 (df_refs_record): Added call to df_record_entry_block_defs.
18540 (df_record_entry_block_defs): New function.
18541 * df-core.c: Added comments to describe new artifical defs.
18542 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
18543 (entry_block_defs): New field in struct df.
18544 (df_all_hard_regs): Deleted.
18545 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18546 * df-problems.c (df_ru_bb_local_compute_process_def):
18547 Added code to handle artifical defs in the entry to a function.
18548 (df_ru_bb_local_compute): Ditto.
18549 (df_rd_bb_local_compute_process_def): Ditto.
18550 (df_rd_bb_local_compute): Ditto.
18551 (df_lr_bb_local_compute): Ditto.
18552 (df_ur_bb_local_compute): Ditto.
18553 (df_urec_bb_local_compute): Ditto.
18554 (df_chain_create_bb): Ditto.
18555 (df_ur_local_finalize): Removed entry.
18556 (df_urec_init): Ditto.
18557 (df_urec_local_finalize): Ditto.
18558 (df_ri_bb_compute): Added detection of last use of pseudos.
18559 * Makefile.in (df-scan.o): Updated dependencies.
18560 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
18561 * config/mips/mips.c (mips_set_live_on_entry): Added.
18562 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
18564 * dce.c (marked_insn_p): Added code to handle artifical defs.
18566 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18568 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
18570 (_mm_cvtsi128_si64): Likewise.
18571 (_mm_cvtsd_si64): Likewise.
18572 (_mm_cvttsd_si64): Likewise.
18573 (_mm_cvtsi64_sd): Likewise.
18574 (_mm_cvtsi64_si128): Likewise.
18575 * config/i386/mmintrin.h (_m_from_int64): Likewise.
18576 (_mm_cvtsi64_m64): Likewise.
18577 (_m_to_int64): Likewise.
18578 (_mm_cvtm64_si64): Likewise.
18579 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
18580 (_mm_cvttss_si64): Likewise.
18581 (_mm_cvtsi64_ss): Likewise.
18582 (_mm_cvtss_f32): Likewise.
18584 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
18586 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
18587 for pragma redefine_extname.
18589 2006-01-27 Jakub Jelinek <jakub@redhat.com>
18592 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
18593 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
18594 -mno-minimal-toc to previous content.
18595 (bispecs): Remove goal.
18596 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
18597 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
18598 compatibility aliases on powerpc-*-*gnu*.
18599 * config/rs6000/libgcc-ppc-glibc.ver: New file.
18600 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
18601 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
18602 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
18603 (ldblspecs): New goal.
18604 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
18605 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
18607 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
18608 L_sf_to_tf or L_df_to_tf is defined.
18610 2006-01-27 David Edelsohn <edelsohn@gnu.org>
18611 Alan Modra <amodra@bigpond.net.au>
18614 * config/rs6000/linux.h (POWERPC_LINUX): Define.
18615 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
18616 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
18617 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
18618 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
18619 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
18620 (rs6000_override_options): Initialize rs6000_ieeequad.
18621 Initialize TFmode format to ibm_extended_format if not
18623 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
18625 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
18626 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
18627 (function_arg_advance): IBM long double passed in two FPRs, not
18629 (function_arg): IBM long double passed in FPRs.
18630 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
18631 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
18632 Only multireg GPR aligned.
18633 (rs6000_init_libfuncs): Enable IBM long double functions if not
18635 (rs6000_generate_compare): Use IBM long double compare if not
18637 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
18638 (TARGET_IEEEQUAD): Define.
18639 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
18640 not TARGET_IEEEQUAD.
18641 * config/rs6000/rs6000.md: Enable TFmode patterns if
18643 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
18644 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18645 and -mlong-double-128 are incompatible.
18646 * doc/invoke.texi (-mabi): Collect options together. Add
18647 ibmlongdouble and ieeelongdouble.
18649 2006-01-27 Richard Sandiford <richard@codesourcery.com>
18651 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
18653 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
18654 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
18655 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
18656 * rtl.h (rtunion_def): Remove rt_ptr.
18658 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
18659 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
18660 * config/i386/winnt.c (i386_pe_mark_dllexport)
18661 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
18663 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
18665 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
18667 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18671 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
18672 pthread_key_delete. From John David Anglin. gthrw-ify
18673 pthread_getunique_np only if it it's not a macro. Delete
18675 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
18676 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
18677 __gthread_objc_condition_signal, __gthread_key_delete): Add
18678 "__attribute__ ((__unused__))" to unused arguments.
18679 (__gthread_recursive_mutex_init_function): Add missing return.
18680 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
18681 gthr-posix95.h: Use macro-based approach for name redirection
18682 on targets missing weakref.
18684 2006-01-26 Zack Weinberg <zackw@panix.com>
18686 * genconditions.c (write_header): In generated code, #ifdef out
18687 all includes and fake declarations, except includes of bconfig.h
18688 and system.h, unless GCC_VERSION >= 3001. Do not include
18689 gensupport.h in any case.
18690 (write_conditions): Generate a definition of struct c_test. Add
18691 a comment to the generated #endif.
18692 (write_one_condition): Escape backslashes in string too.
18693 (write_writer): Generated code must escape backslashes and quote
18694 marks (but not newlines) in the strings it writes.
18695 * Makefile.in (build/gencondmd.o): Update dependencies.
18697 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18700 * Makefile.in (insn-automata.o): Add header file dependencies.
18701 * genautomata.c: Add includes.
18703 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18706 * Makefile.in (insn-automata.o): Add -Wno-error flag.
18708 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18710 * configure.ac: Expect target tools paths to be passed from the toplevel
18711 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
18713 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
18715 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18718 * c.opt (Wpointer-sign): Init to -1.
18719 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
18720 OPT_pedantic, to 0 otherwise.
18721 * doc/invoke.texi: Update.
18723 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18725 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
18726 constants provided by 80387 instructions in the destination mode.
18728 2006-01-26 Richard Guenther <rguenther@suse.de>
18729 Andrew Pinski <pinskia@physics.uc.edu>
18732 partial PR tree-opt/17064
18733 * tree-ssa-structalias.c (intra_create_variable_infos):
18734 Create heap variables for incoming parameters if
18735 flag_argument_noalias > 1.
18736 (find_what_p_points_to): Look through default defs of
18739 2006-01-26 Jeff Law <law@redhat.com>
18742 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
18743 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
18744 within the VR_RANGE, use the VR_RANGE as the result, not the
18746 (adjust_range_with_scev): Reject ranges from SCEV which are out of
18747 bounds for the type.
18749 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
18751 * tree-ssa-alias.c (maybe_create_global_var): Change
18752 subvar walking to an assertion that we don't have subvar'd variables.
18754 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
18757 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
18758 Use a new variable, inner. PARM_DECLs are always non-weak.
18760 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
18762 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
18763 --disable-checking.
18765 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
18767 * config/mips/mips.md (*clear_upper32): New combiner pattern.
18769 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
18771 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
18772 (smax_insn, smin_insn, smax_0, smin_0): New.
18774 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
18777 * config/cris/cris.c (cris_order_for_addsi3): New function.
18778 * config/cris/cris-protos.h: Prototype it.
18779 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
18780 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
18781 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
18782 (split for "op.S1 [rx=rx+i],ry (swapped)")
18783 (split for "op(s|u).S1 [rx=rx+i],ry")
18784 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
18785 Apply cris_order_for_addsi3 when generating addsi3 insns.
18787 2006-01-25 Diego Novillo <dnovillo@redhat.com>
18789 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
18790 (TREE_BLOCK): Add call to EXPR_CHECK.
18792 2006-01-25 Diego Novillo <dnovillo@redhat.com>
18795 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
18796 * tree-pretty-print.c (dump_omp_clause): Extract from ...
18797 (dump_omp_clauses): ... here.
18798 (dump_generic_node): Handle OMP_CLAUSE.
18799 * tree.c (omp_clause_num_ops): New.
18800 (omp_clause_code_name): New.
18801 (tree_code_size): Handle OMP_CLAUSE.
18802 (tree_size): Likewise.
18803 (make_node): Document handling of OMP_CLAUSE.
18804 (tree_node_structure): Handle OMP_CLAUSE.
18805 (omp_clause_check_failed): New.
18806 (omp_clause_range_check_failed): New.
18807 (omp_clause_operand_check_failed): New.
18808 (build_omp_clause): New.
18809 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
18810 * tree.h (enum omp_clause_code): Declare.
18811 (OMP_CLAUSE_SUBCODE_CHECK): Define.
18812 (OMP_CLAUSE_RANGE_CHECK): Define.
18813 (OMP_CLAUSE_ELT_CHECK): Define.
18814 (omp_clause_check_failed): Declare.
18815 (omp_clause_operand_check_failed): Declare.
18816 (omp_clause_range_check_failed): Declare.
18817 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
18818 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
18819 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
18820 (OMP_CLAUSE_LASTPRIVATE): Likewise.
18821 (OMP_CLAUSE_IF_EXPR): Likewise.
18822 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
18823 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
18824 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
18825 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
18826 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
18827 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
18828 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
18829 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
18830 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
18831 (OMP_CLAUSE_CODE): Define.
18832 (OMP_CLAUSE_SET_CODE): Define.
18833 (OMP_CLAUSE_CODE): Define.
18834 (OMP_CLAUSE_OPERAND): Define.
18835 (struct tree_omp_clause): Declare.
18836 (union tree_node): Add field 'omp_clause'.
18837 * treestruct.def (TS_OMP_CLAUSE): Define.
18838 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
18839 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
18840 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
18841 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
18842 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
18843 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
18844 (OMP_CLAUSE): Define.
18845 * print-tree.c (print_node): Handle OMP_CLAUSE.
18846 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
18847 * c-typeck.c: Likewise.
18848 * gimplify.c: Likewise.
18849 * c-omp.c: Likewise.
18850 * tree-nested.c: Likewise.
18851 * tree-inline.c: Likewise.
18852 * c-parser.c: Likewise.
18853 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
18856 2006-01-25 Roger Sayle <roger@eyesopen.com>
18858 PR rtl-optimization/25703
18859 * combine.c (try_combine): Handle zero_extract and strict_low_part
18860 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
18862 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
18864 * global.c: Fix comment typos.
18866 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
18869 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
18870 Use output_addr_const instead of assemble_name.
18872 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
18874 * Makefile.in (sched-vis.o): Update dependencies.
18875 * haifa-sched.c (sched_finish): Clear current_sched_info.
18876 * cfg.c (dump_bb_info): New, split from dump_flow_info.
18877 (dump_flow_info): Call it.
18878 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
18880 * basic-block.h (dump_bb_info): Declare.
18881 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
18882 option, and apply options only for dump files whose TDF_RTL,
18883 TDF_TREE, or TDF_IPA bits match.
18884 * rtl.h: Declare new functions exported from sched-vis.c.
18885 * sched-vis.c: Enable also if scheduling is not used.
18886 (print_value): Print the mode of registers if not inside scheduling.
18887 (print_insn): Make it work outside the scheduler. Beautify the output
18889 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
18891 2006-01-25 Richard Sandiford <richard@codesourcery.com>
18893 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
18894 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
18895 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
18896 depending on the value of CONSTANT_POOL_ADDRESS_P.
18897 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
18899 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
18900 rather than SYMBOL_REF_DECL.
18901 (rtx_constant_pool): Remove const_rtx_sym_htab.
18902 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
18903 (init_varasm_status): Don't initialize const_rtx_sym_htab.
18904 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
18905 Remove handling of const_rtx_sym_htab.
18906 (find_pool_constant): Delete.
18907 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
18908 rather than find_pool_constant.
18909 (get_pool_constant_for_function): Delete.
18910 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
18911 find_pool_constant.
18912 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
18913 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
18914 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
18915 (SYMBOL_REF_CONSTANT): New macro.
18916 (get_pool_constant_for_function): Delete.
18917 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
18918 rather than SYMBOL_REF_DECL.
18919 (i386_pe_mark_dllimport): Likewise.
18920 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
18921 rather than SYMBOL_REF_DECL.
18922 * config/darwin.c (machopic_indirect_data_reference): Likewise.
18923 (machopic_indirect_call_target): Likewise.
18925 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
18927 * flow.c (delete_noop_moves): Add missing EOL to dump message.
18929 2006-01-25 Richard Sandiford <richard@codesourcery.com>
18931 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
18933 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
18935 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
18937 2006-01-24 David Daney <ddaney@avtrex.com>
18940 * configure.ac (enable_tls): New enable option.
18941 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
18942 * configure: Regenerate.
18943 * doc/install.texi (--enable-tls): Document new option.
18944 (--disable-tls): Ditto.
18946 2006-01-24 Richard Henderson <rth@redehat.com>
18948 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
18949 * alias.c (true_dependence): Respect it.
18950 (canon_true_dependence, write_dependence_p): Likewise.
18951 * builtins.c (get_builtin_sync_mem): Set it.
18953 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
18955 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
18958 2006-01-24 DJ Delorie <dj@redhat.com>
18960 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
18961 for storing constants in single-bit bitfields.
18963 2006-01-25 Ben Elliston <bje@au.ibm.com>
18965 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
18967 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
18970 * tree-ssa-pre.c (phi_translate): Return NULL
18971 for AGGREGATE_TYPE's.
18973 2006-01-24 Zack Weinberg <zackw@panix.com>
18975 * genautomata.c (process_state_for_insn_equiv_partition):
18976 Use xcalloc for insn_arcs_array.
18977 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
18978 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
18980 2006-01-24 Richard Henderson <rth@redhat.com>
18982 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
18983 update all callers.
18985 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
18987 PR rtl-optimization/25890
18988 PR rtl-optimization/25905
18989 * combine.c (expand_compound_operation, expand_field_assignment):
18990 Fail if the bitfield's final position is out of bounds.
18992 2006-01-24 Ian Lance Taylor <ian@airs.com>
18994 PR middle-end/25930
18995 * cgraphunit.c (cgraph_output_in_order): Don't clear
18996 cgraph_asm_nodes until after asm strings have been output.
18998 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
19000 * fix-header.c (read_scan_file): Add new parameter imultilib when
19001 calling register_include_chains.
19003 2006-01-23 Diego Novillo <dnovillo@redhat.com>
19005 * omp-low.c: Update documentation.
19007 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
19008 Daniel Berlin <dberlin@dberlin.org>
19012 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
19013 return from the function.
19015 2006-01-22 Zack Weinberg <zackw@panix.com>
19017 * rtl.def (match_code): Add second argument.
19018 * genpreds.c (write_extract_subexp): New function.
19019 (write_match_code): Add path argument. Use write_extract_subexp.
19020 (write_predicate_expr): Pass path to write_match_code.
19021 (mark_mode_tests): MATCH_CODE applied to a subexpression does
19022 not perform a mode test.
19023 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
19024 a subexpression does not constrain the top-level code set.
19025 * read-rtl.c (read_rtx_variadic): New function.
19026 (read_rtx_1): Use it; allow AND and IOR to be variadic.
19027 * doc/md.texi: Document new notation.
19028 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
19029 (cmpsi_operand): ... here, using new notation.
19031 2006-01-22 Zack Weinberg <zackw@panix.com>
19033 * varray.c: Remove GENERATOR_FILE #ifdefs.
19035 2006-01-22 Zack Weinberg <zackw@panix.com>
19037 * genautomata.c (output_reserved_units_table): Emit nothing if
19038 description->query_units_num is zero. Remove extra blank line.
19039 (output_cpu_unit_reservation_p): Short circuit
19040 if description->query_units_num is zero.
19042 2006-01-22 Zack Weinberg <zackw@panix.com>
19044 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
19045 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
19046 nor any of the random handful of variables that used to be necessary
19047 when this program was linked with rtlanal.o. Prune set of forward
19048 function declarations.
19049 (struct attr_desc): Remove static_p field.
19050 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
19051 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
19052 (attr_string): Do not read the character one past the length of
19054 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
19055 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
19056 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
19057 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
19058 (make_automaton_attrs): New.
19059 (main): Do not call into genautomata. Call local gen_bypass
19060 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
19061 Remove special case for insn_alts.
19062 * genautomata.c: Include gensupport.h; not genattrtab.h nor
19063 varray.h (leftover from previous change). Prune set of forward
19064 function declarations. Remove state_alts fields from all
19065 structures. Remove state_alts_table from struct automaton.
19066 Make everything except main static. Do not maintain num_dfa_decls.
19067 Do not maintain state_alts fields of various structures.
19068 (process_decls): Don't validate condexp for dm_insn_reserv decls.
19069 (add_arc): Remove state_alts argument. All callers updated.
19070 (output_reserved_units_table): Emit #ifdef here...
19071 (output_tables): ...not here. Don't generate state_alts tables.
19072 (expand_automata): Don't generate attributes.
19073 (write_automata): Don't generate state_alts functions.
19074 (main): New function.
19075 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
19076 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
19077 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
19078 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
19079 (BYPASS_P_FUNC_NAME, output_state_alts_table)
19080 (output_automata_list_state_alts_code, output_internal_state_alts_func)
19081 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
19082 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
19084 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
19085 * genattrtab.h: Delete file.
19086 * Makefile.in (OBJS-common): Add insn-automata.o.
19087 (insn-automata.o): New rule.
19088 (simple_generated_c): Add insn-automata.c.
19089 (build/genattrtab.o, build/genautomata.o): Update dependencies.
19090 (genprogmd): Add automata.
19091 (build/genattrtab): Needs no extra objects nor libraries.
19092 (build/genautomata): Needs build/vec.o and -lm.
19094 2006-01-22 Zack Weinberg <zackw@panix.com>
19096 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
19097 (output_dfa_max_issue_rate, locked_states_num): Delete.
19098 (struct automaton): Add locked_states field.
19099 (output_dead_lock_vect): Save number of locked states in
19100 automaton->locked_states. If it is zero, don't print anything.
19101 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
19102 (output_internal_dead_lock_func): Only test the dead_lock_vect
19103 for automata that have locked states.
19104 (output_statistics): Always print the number of locked states for
19105 each automaton. Calculate total number of locked states here.
19106 (write_automata): Don't call output_dfa_max_issue_rate.
19107 * genattrtab.c: Define length_unit_log as a const variable.
19108 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
19109 max_insn_queue_index const.
19110 * final.c (length_unit_log): Declare const.
19111 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
19113 2006-01-22 Zack Weinberg <zackw@panix.com>
19115 * genautomata.c: Include vec.h, not varray.h.
19116 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
19117 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
19118 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
19119 VEC_* macros operating on appropriately typed vectors, or to
19120 malloced arrays when the size is known in advance. Const-ify
19121 many char* variables and function arguments. No functional changes.
19122 * Makefile.in (build/varray.o): Delete rule.
19123 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
19124 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
19126 2006-01-22 Zack Weinberg <zackw@panix.com>
19128 * gensupport.c: Define get_insn_name and record_insn_name here.
19129 (read_md_rtx): Call record_insn_name as appropriate.
19130 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
19131 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
19132 * genpreds.c, genrecog.c: Don't define get_insn_name nor
19134 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
19135 (BUILD_VARRAY): Delete.
19136 (genprognormal): Rename genprogmd. Fold in all programs from
19137 genprognoprint; also attrtab.
19138 (build/genattrtab): Just mention genautomata.o and varray.o.
19139 Reorganize a bit, add comments to make the categories clearer.
19141 2006-01-22 Zack Weinberg <zackw@panix.com>
19143 * genconditions.c (condition_table, add_condition): Delete.
19144 (write_conditions): Don't emit n_insn_conditions nor
19145 insn_elision_unavailable. Issue the gcc version #ifdef here,
19146 inside the table, with no #else clause ...
19147 (write_header): ...not here.
19148 (write_writer): New function.
19149 (main): Don't initialize condition_table. Use add_c_test.
19151 * gensupport.c (init_md_reader_args_cb): Handle multiple input
19152 files on the command line.
19153 (maybe_eval_c_test): Don't check insn_elision_unavailable.
19154 Return -1 if there is no entry in the table, don't abort.
19155 (add_c_test, traverse_c_tests): New functions.
19156 * gensupport.h (insn_elision_unavailable, insn_conditions)
19157 (n_insn_conditions): Delete declarations.
19158 (add_c_test, traverse_c_tests): Declare.
19159 * read-rtl.c: Include gensupport.h.
19160 (read_conditions): New function.
19161 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
19162 (read_rtx_1): If we get EOF when we were looking for an initial
19163 open paren, return 0. Call read_conditions when appropriate.
19164 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
19165 dummy-conditions.o. Eliminate references to insn-conditions.o,
19166 or change them to build/gencondmd.o, as appropriate. Remove
19167 insn-constants.h from $(simple_generated_h) and insn-conditions.c
19168 from $(simple_generated_c). For all files remaining in those
19169 two lists, add insn-conditions.md to the generator command line.
19170 Give insn-constants.h/s-constants their own rules. Add rules
19171 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
19172 (build/read-rtl.o): Depend on gensupport.h.
19173 (genprognormal): Include preds.
19174 (genprogearly): Rename genprognoprint; only difference is now that
19175 they don't link with $(BUILD_PRINT).
19176 * dummy-conditions.c: Delete.
19178 2006-01-22 Zack Weinberg <zackw@panix.com>
19180 * genextract.c: Don't include insn-config.h. Do include vec.h.
19181 Declare vectors of int, char, and locstr.
19182 (locstr): New typedef.
19183 (struct extraction): Make all array fields into bare pointers.
19184 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
19185 (insn_code_number): Delete.
19186 (accum_extract): New struct.
19187 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
19188 (gen_insn): Take insn_code_number as an argument. Use an
19189 accum_extract structure instead of loading data directly into
19190 a struct extraction, and having to know how big it might get.
19191 (walk_rtx): Operate entirely on an accum_extract structure.
19192 (print_path): Avoid unnecessary use of printf.
19193 (print_header): New function, split out of main. Distinguish
19194 more carefully between an unrecognizable insn and an insn that
19195 has the code number of a define_expand.
19196 (main): Pass insn_code_number to gen_insn. Call print_header
19197 only after parsing. Avoid unnecessary use of printf.
19198 * Makefile.in (build/vec.o): New rule.
19199 (build/genextract): Depend on build/vec.o.
19200 (build/genextract.o): Don't depend on insn-config.h.
19202 2006-01-22 Zack Weinberg <zackw@panix.com>
19204 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
19205 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
19206 practical. Eliminate per-generator-program link rules.
19208 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
19210 PR middle-end/24437
19211 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
19212 with a call expr to ...
19213 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
19215 2006-01-23 Richard Guenther <rguenther@suse.de>
19217 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
19218 before make_edge with conditional EDGE_TRUE_VALUE.
19220 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
19221 Jan Hubicka <jh@suse.cz>
19222 Richard Guenther <rguenther@suse.de>
19224 PR rtl-optimization/25654
19225 * cfgexpand.c (aggregate_contains_union_type): New function.
19226 (add_alias_set_conflicts): Call it. Make sure to add conflicts
19227 for structure variables that contain a union type.
19229 2006-01-23 Richard Sandiford <richard@codesourcery.com>
19231 * gengtype.c (new_structure): Return the structure.
19232 (create_option): Add an extra "next" argument.
19233 (create_field): New function.
19234 (adjust_field_rtx_def): Use create_option and create_field.
19235 Remove a now-unnecessary call to find_structure.
19236 (adjust_field_tree_def): Likewise.
19237 (note_yacc_type): Remove an unnecessary call to find_structure.
19238 * gengtype.h (new_structure): Return the structure.
19239 (create_option): Add an extra argument.
19240 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
19241 (option): Adjust calls to create_option.
19243 2006-01-22 David Edelsohn <edelsohn@gnu.org>
19245 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
19247 2006-01-22 Paul Brook <paul@codesourcery.com>
19248 Peter Barada <peter@the-baradas.com>
19250 * config/m68k/m68k.md: Add Coldfire FPU support.
19251 Define FP mode macro and associated attributes.
19252 Use it for float mode patterns.
19253 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
19254 (LIBCALL_VALUE): Use m68k_libcall_value.
19255 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
19256 (m68k_function_value): Ditto.
19257 (emit_move_sequence): Ditto.
19258 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
19259 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
19260 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
19261 (MULTILIB_EXCEPTIONS): Ditto.
19262 * config/m68k/m68k.opt: Add mcfv4e.
19263 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
19264 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
19265 (m68k_output_function_prologue): Save ColdFire FPU registers.
19266 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
19267 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
19268 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
19269 ColdFire FPU registers.
19270 (m68k_libcall_value, m68k_function_value): New functions.
19271 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
19272 (LIBCALL_VALUE): Use m68k_libcall_value.
19273 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
19274 (MASK_COLDFIRE): Add MASK_CFV4E.
19275 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
19276 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
19277 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
19278 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
19279 (GO_IF_LEGITIMATE_ADDRESS): Use it.
19280 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
19281 * doc/invoke.tex: Document -mcfv4e on m68k.
19283 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
19285 * doc/contribute.texi: Change CVS to SVN and update the corresponding
19288 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
19291 * c-opts.c (c_common_handle_option): Don't include
19292 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
19293 * doc/invoke.texi (C++ Dialect Options): Document that
19294 -Wnon-virtual-dtor is no longer included in -Wall.
19296 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
19298 * gcov.c (print_version), gcov-dump.c (print_version),
19299 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
19302 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
19304 * df-scan.c (problem_SCAN): Added NULL reset function.
19305 (df_scan_reset_blocks): Added code to call reset block function
19306 (df_bb_refs_delete) Fixed comment.
19307 (df_insn_refs_delete): Made tolerant of deleting non existent info
19308 for dataflow problems that need to be reset.
19309 * df-core.c (df_set_blocks): Ditto.
19310 * df.h (struct df_problem): Added reset_fun.
19311 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
19312 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
19313 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
19314 functions to clear out all references to def-use or use-def chains.
19316 2006-01-21 Ben Elliston <bje@au.ibm.com>
19318 * varasm.c (assemble_real): Initialise data array.
19320 2006-01-20 Paul Brook <paul@codesourcery.com>
19322 Merge from csl-arm-branch.
19323 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
19324 * config/arm/arm.md (movdi): Force operands[1] to a register
19325 if we have a non-register source.
19326 (*arm_movdi, *movdf_soft_insn): Require that one of the
19327 operands be a register.
19328 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
19329 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
19331 2006-01-20 DJ Delorie <dj@redhat.com>
19333 * varasm.c (initializer_constant_valid_p): Allow pointers
19334 initialized from integer constants of lesser precision.
19335 (output_constant): Allow non-int-sized pointer modes to be
19336 initialized from integer constants.
19338 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
19341 * cppdefault.h (struct default_include): Add multilib flag.
19342 * cppdefault.c (cpp_include_defaults): Set it.
19343 * c.opt (-imultilib): New option.
19344 * c-opts.c (imultilib): New.
19345 (c_common_handle_option): Handle -imultilib.
19346 (c_common_post_options): Likewise.
19347 * c-incpath.c (add_standard_paths, register_include_chains):
19349 * c-incpath.h (register_include_chains): Add extra parameter.
19350 * gcc.c (do_spec_1): Generate -imultilib option.
19351 (The Specs Language): Update %I description.
19352 (process_command): Update copyright notice.
19353 * doc/cppopts.texi (-imultilib): Document.
19354 * doc/invoke.texi (-imultilib): Include in option summary.
19355 (%I): Update specs documentation.
19357 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19359 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
19361 2006-01-20 Richard Sandiford <richard@codesourcery.com>
19363 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
19366 2006-01-20 Richard Guenther <rguenther@suse.de>
19367 Steven Bosscher <stevenb.gcc@gmail.com>
19369 PR rtl-optimization/24626
19370 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
19371 EDGE_TRUE_VALUE if in RTL mode.
19374 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
19375 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
19377 2006-01-20 Dirk Mueller <dmueller@suse.com>
19380 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
19381 instead of a special NOP marker.
19382 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
19383 NOP marker handling.
19384 * c-common.h (empty_body_warning): Add forward declaration.
19385 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
19386 Now uses IS_EMPTY_STMT() instead of special NOP markers.
19388 2006-01-20 Paul Brook <paul@codesourcery.com>
19390 * Makefile.in (lang_checks): Keep going if mkdir fails.
19392 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19394 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
19395 be able to clean out basic block when not necessary.
19396 (df_scan_free): Fixed to properly delete information if df is
19397 unused before calling df_finish.
19398 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
19399 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
19401 (df_bb_refs_delete): New function.
19402 (df_refs_delete): Moved per block code to df_bb_refs_delete.
19403 * df-core.c (df_set_blocks): Added code to properly clean out
19404 unused blocks if they are not part of the blocks to consider.
19405 Added additional null check.
19406 (df_compact_blocks): Added basic block parameter to free_bb_fun to
19407 be able to clean out basic block when not necessary
19408 * df.h (df_free_bb_function): Ditto.
19409 (df_bb_refs_delete): New function.
19410 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
19411 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
19412 basic block parameter to be able to clean out basic block when not
19414 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
19415 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
19416 Fixed to properly delete information if df is unused before
19419 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19421 PR rtl-optimization/25799
19422 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
19423 Corrected confluence operator to remove bits from op2 before oring
19424 with op1 rather than removing bits from op1.
19425 (df_ru_transfer_function): Corrected test on wrong bitmap which
19426 caused infinite loop. Both of these problems were introduced in
19427 the dataflow rewrite.
19429 2006-01-19 DJ Delorie <dj@redhat.com>
19431 * reload1.c (find_reload_regs): Note the details of reload
19432 failures in the dump file.
19433 (spill_failure): Likewise.
19435 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19437 * loop-iv.c: Include df.h and hashtab.h.
19438 (enum iv_grd_result): New enum.
19439 (DF_REF_IV, DF_REF_IV_SET): New macros.
19440 (struct biv_entry): New.
19441 (df, bivs): New global variables.
19442 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
19443 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
19445 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
19446 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
19447 analyzed_for_bivness_p, record_biv): New functions.
19448 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
19449 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
19450 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
19452 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
19454 (iv_number_of_iterations): Use new interface to iv analysis.
19455 * loop-unroll.c: Do not include varray.h.
19456 (analyze_iv_to_split_insn): Use new interface to iv
19458 * loop-unswitch.c (may_unswitch_on): Ditto.
19459 * df.c (df_bitmaps_free): Only work for bbs for that structures are
19461 (df_bb_modify): Realloc tables to the new index.
19462 (df_find_use): New function.
19463 * df.h (df_find_use): Declare.
19464 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
19466 * cfgloop.h (struct rtx_iv): Remove analysed field.
19467 (iv_get_reaching_def): Removed.
19468 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
19469 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
19470 (loop-iv.o): Add df.h and hashtab.h dependency.
19471 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
19473 2006-01-20 Alan Modra <amodra@bigpond.net.au>
19476 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
19478 (__floatundisf, __floatundidf): Likewise.
19479 * libgcc2.h (IS_IBM_EXTENDED): Define.
19481 2006-01-19 DJ Delorie <dj@redhat.com>
19483 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
19485 2006-01-19 Paul Brook <paul@codesourcery.com>
19487 * config/arm/arm.c (arm_compute_func_type): Treat all functions
19488 as nothrow when unwinding tables are disabled.
19490 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19493 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
19494 of bit-field" when in system header.
19496 2006-01-19 DJ Delorie <dj@redhat.com>
19498 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
19499 the 16 bit shift limit of the m16c.
19501 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
19504 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
19505 * config/i386/i386.c (output_set_got): Output the label if we have one
19506 for the TARGET_DEEP_BRANCH_PREDICTION case.
19508 2006-01-19 Jan Hubicka <jh@suse.cz>
19509 H.J. Lu <hongjiu.lu@intel.com>
19510 Evandro Menezes <evandro.menezes@amd.com>
19512 * invoke.texi (generic): Document
19514 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
19515 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
19516 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
19517 (x86_use_incdec, x86_pad_returns): New variables
19518 (TARGET_CPU_DEFAULT_generic): New constant
19519 (TARGET_CPU_DEFAULT_NAMES): Add generic.
19520 (enum processor_type): Add generic32 and generic64.
19521 * i386.md (cpu attribute): Add generic32/generic64
19522 (movhi splitter): Behave sanely when both partial_reg_dependency and
19523 partial_reg_stall are set.
19524 (K8 splitters): Enable for generic as well.
19525 * predicates.md (incdec_operand): Use TARGET_INCDEC
19526 (aligned_operand): Avoid memory mismatch stalls.
19527 * athlon.md: Enable for generic64, new patterns for 128bit moves.
19528 * ppro.md: Enable for generic32
19529 * i386.c (generic64_cost, generic32_cost): New.
19530 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
19531 (x86_use_leave): Enable for generic64. (x86_use_sahf,
19532 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
19533 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
19534 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
19535 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
19536 x86_partial_reg_dependency, x86_memory_mismatch_stall,
19537 x86_accumulate_outgoing_args, x86_prologue_using_move,
19538 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
19539 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
19540 Enable for generic.
19541 (x86_use_incdec, x86_pad_returns): New.
19542 (override_options): Add generic32 and generic64, translate "generic"
19543 to generic32/generic64 and "i686" to "generic32", refuse
19544 "generic32"/"generic64" as arch target.
19545 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
19546 (ix86_reorg): Honor PAD_RETURNS.
19548 2006-01-19 Diego Novillo <dnovillo@redhat.com>
19550 * tree-pretty-print.c (dump_generic_node): Handle
19551 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
19552 * cgraph.c (cgraph_expand_queue): Rename from
19553 cgraph_analyze_queue. Update all users.
19554 * cgraphunit.c (cgraph_assemble_pending_functions): Process
19555 cgraph_expand_queue.
19556 (cgraph_expand_all_functions): Likewise.
19557 (cgraph_finalize_pending_functions): Remove. Update callers.
19559 * tree.h (OMP_DIRECTIVE_P): Define.
19560 (OMP_PARALLEL_FN): Define.
19561 (OMP_PARALLEL_DATA_ARG): Define.
19562 (OMP_SECTIONS_SECTIONS): Define.
19563 * tree-pass.h (pass_expand_omp): Declare.
19564 * omp-low.c (struct omp_region): Declare.
19565 (struct omp_context): Remove fields 'parallel_type',
19566 'parallel_start_ix' and 'parallel_start_additional_args'.
19568 (struct omp_for_data): Rename from struct expand_omp_for_data.
19569 (omp_regions): New static variable.
19570 (root_omp_region): New static variable.
19571 (find_omp_clause): Make static.
19572 (is_in_combined_parallel_ctx): Remove.
19573 (is_combined_parallel): New.
19574 (extract_omp_for_data): Move earlier in the file.
19575 (workshare_safe_to_combine_p): New.
19576 (get_ws_args_for): New.
19577 (determine_parallel_type): Move earlier in the file.
19578 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
19580 (omp_copy_decl): Likewise.
19581 (create_omp_child_function): Likewise.
19582 (lookup_omp_region): New.
19583 (dump_omp_region): New.
19584 (debug_omp_region): New.
19585 (debug_all_omp_regions): New.
19586 (new_omp_region): New.
19587 (scan_omp_parallel): If parallel_nesting_level > 1, the
19588 directive is nested within another parallel directive.
19589 Set OMP_PARALLEL_FN.
19590 (scan_omp_for): Do not try to handle combined parallel+for
19592 Remove FIXME comment.
19593 (scan_omp_nested): Remove.
19594 (scan_omp_1): Do not call scan_omp_nested when
19595 parallel_nesting_level is > 1.
19596 Do not change the DECL_CONTEXT of local variables found.
19597 (lookup_decl_in_outer_ctx): New.
19598 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
19599 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
19600 (lower_reduction_clauses): Rename from expand_reduction_clauses.
19601 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
19602 If CTX is nested, lookup VAR in the outer context when
19603 building copy assignment.
19604 (lower_send_clauses): Rename from expand_send_clauses.
19605 If CTX is nested, lookup VAR in the outer context when
19606 building copy assignments.
19607 (lower_send_shared_vars): Rename from expand_send_shared_vars.
19608 If CTX is nested, lookup VAR in the outer context when
19609 building copy assignments.
19610 (expand_parallel_call): Rename from build_parallel_call.
19611 Handle combined parallel+workshare cases.
19612 Re-implement to emit code into the CFG.
19614 (expand_omp_parallel): Re-implement to emit code into the CFG.
19615 Call move_sese_region_to_fn to outline the sub-graph
19616 containing the parallel region.
19617 (expand_omp_for_1): Remove.
19618 (expand_omp_for_generic): Re-implement to emit code into the
19620 (expand_omp_for_static_nochunk): Likewise.
19621 (expand_omp_for_static_chunk): Likewise.
19622 (expand_omp_for): Likewise.
19623 (expand_omp_sections): Likewise.
19624 (remove_exit_barriers): New.
19625 (expand_omp_synch): New.
19627 (build_omp_regions_1): New.
19628 (build_omp_regions): New.
19629 (execute_expand_omp): New.
19630 (gate_expand_omp): New.
19631 (pass_expand_omp): Define.
19632 (lower_omp_sections): Rename from expand_omp_sections.
19633 Set OMP_SECTIONS_SECTIONS.
19634 (lower_omp_single_simple): Rename from expand_omp_single_simple.
19635 (lower_omp_single_copy): Rename from expand_omp_single_copy.
19636 (lower_omp_single): Rename from expand_omp_simple.
19637 (lower_omp_master): Rename from expand_omp_master.
19638 (lower_omp_ordered): Rename from expand_omp_ordered.
19639 (lower_omp_critical): Rename from expand_omp_critical.
19640 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
19641 (lower_omp_for): Re-implement.
19642 (lower_omp_parallel): Re-implement.
19643 (lower_regimplify): Rename from expand_regimplify.
19644 (lower_omp_1): Rename from expand_omp_1.
19645 If there are syntax errors in the program, replace every
19646 OpenMP directive with NOP.
19647 Call lower_omp_* instead of expand_omp_*.
19648 (lower_omp): Rename from expand_omp.
19650 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
19651 * tree-gimple.h (enum omp_parallel_type): Remove.
19652 (gimple_boolify): Declare extern.
19653 (find_omp_clause, determine_parallel_type): Remove.
19655 * gimple-low.c (lower_omp_directive): New.
19656 (lower_stmt): Call it.
19657 (record_vars_into): Move from ...
19658 (record_vars): ... here.
19659 Call record_vars_into with current_function_decl.
19661 * gimplify.c (struct gimplify_ctx): Remove fields
19662 combined_pre_p and combined_ctxp. Update users.
19663 (get_formal_tmp_var): Add documentation.
19664 (gimple_boolify): Make extern.
19665 (gimplify_expr_in_ctx): Remove. Update callers.
19666 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
19667 will always be a BIND_EXPR.
19668 (gimplify_expr): Handle OMP_RETURN_EXPR.
19669 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
19670 (OMP_PARALLEL): Add 3 operands.
19671 (OMP_SECTIONS): Add 1 operand.
19672 (OMP_RETURN_EXPR): Define.
19674 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
19675 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
19676 * tree-iterator.c (alloc_stmt_list): Assert that we are not
19677 creating a circular free list.
19678 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
19680 * tree-flow.h (move_sese_region_to_fn): Declare.
19681 (record_vars_into): Declare.
19682 * tree-cfg.c (make_omp_sections_edges): New.
19683 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
19684 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
19685 OMP_SECTIONS and OMP_SECTION.
19686 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
19687 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
19688 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
19689 (gather_blocks_in_sese_region): New.
19690 (struct move_stmt_d): Declare.
19691 (move_stmt_r): New.
19692 (move_block_to_fn): New.
19693 (move_sese_region_to_fn): New.
19695 * passes.c (init_optimization_passes): Schedule
19696 pass_expand_omp after pass_init_datastructures.
19698 * tree-ssa-operands.c (get_expr_operands): Handle
19699 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
19700 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
19702 2006-01-19 Jeff Law <law@redhat.com>
19704 * tree-vrp.c (extract_range_from_assert): Refine the result range
19705 if the variable referenced by the ASSERT_EXPR has a range and
19706 either the tentative result range or the previous range is a
19709 2006-01-19 Richard Sandiford <richard@codesourcery.com>
19711 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
19713 2006-01-19 Jan Hubicka <jh@suse.cz>
19715 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
19717 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
19719 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
19720 (expand_compound_operation, expand_field_assignment): Fail if the
19721 bit lengths of an extract operation are out of range.
19722 (make_extraction): Compute wanted_inner_mode based on the position
19723 and length of the extraction. Make it extraction_mode for non-constant
19724 positions, and do not modify offset in that case. When generating a
19725 new MEM, use a mode that can hold the extraction while keeping correct
19726 alignment. Remove code that supported MEMs wrapped by USEs.
19727 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
19729 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
19731 * config/s390/s390.md ("Y", "y"): New mode attribute.
19732 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
19733 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
19734 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
19735 "*addsi3_imm_cc", "*addsi3_carry1_cc",
19736 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
19737 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
19738 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
19739 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
19740 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
19741 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
19742 "addsi3", "subsi3"): Insn patterns removed.
19743 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
19744 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
19745 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
19746 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
19747 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
19748 "*sub<mode>3_cconly2"): New insn patterns.
19749 ("addsi3", "subsi3"): New expanders.
19751 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
19753 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
19754 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
19755 existing STMT_VINFO_VECTYPE if available.
19756 (vect_mark_relevant): Add special handling for stmts that are
19757 marked as STMT_VINFO_IN_PATTERN_P.
19758 (vect_analyze_loop): Call vect_pattern_recog.
19759 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
19760 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
19762 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
19763 (vect_recog_func_ptr): New function-pointer type.
19764 * tree-vect-patterns.c: New file.
19765 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
19766 (vect_recog_dot_prod_pattern, vect_pattern_recog):
19767 (vect_pattern_recog_1): New functions.
19768 (vect_pattern_recog_funcs): New array of function pointers.
19770 * tree-vectorizer.h (ternary_op): New enum value.
19771 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
19772 declaration. Revised documentation. Removed redundant dump prints.
19773 Removed redundant argument. Added support for reduction patterns.
19774 (vectorizable_reduction): Added support for reduction patterns.
19775 (vect_transform_stmt): Added support for patterns.
19777 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
19778 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
19779 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
19780 (expand_widen_pattern_expr): New function.
19781 (init_optabs): Initialize new optabs udot_prod_optab,
19783 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
19784 (sdot_prod_optab, udot_prod_optab): Define new optabs.
19785 (expand_widen_pattern_expr): New function declaration.
19786 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
19788 * tree-inline.c (estimate_num_insns_1): Added cases for new
19789 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
19790 * tree-pretty-print.c (dump_generic_node): Likewise.
19791 (op_prio): Likewise.
19792 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
19793 * tree-ssa-operands.c (get_expr_operands): Added case for
19795 * tree-vect-patterns.c (widened_name_p): New function.
19796 (vect_recog_dot_prod_pattern): Added function implementation.
19797 * tree-vect-transform.c (get_initial_def_for_reduction): Added
19798 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
19799 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
19800 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
19802 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
19803 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
19804 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
19805 (init_optabs): Initialize new optabs widen_ssum_optab,
19807 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
19808 (widen_ssum_optab, widen_usum_optab): Define new optabs.
19809 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
19810 use instead of type of def.
19811 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
19812 function implementation.
19813 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
19814 widen_ssumv8hi): New.
19816 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
19819 2006-01-19 Richard Sandiford <richard@codesourcery.com>
19822 * c-decl.c (add_flexible_array_elts_to_size): New function.
19823 (finish_decl): Use it.
19825 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
19827 * diagnostic.h: Include options.h.
19828 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
19829 dependancies for diagnostic.h.
19830 * Makefile.in (DIAGNOSTIC_H): Add options.h.
19832 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
19834 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
19835 (ssa_ro_call_cache_valid): Ditto.
19836 * tree-ssa-alias.c (sort_tags_by_id): New function.
19837 (init_transitive_clobber_worklist): Ditto.
19838 (add_to_worklist): Ditto.
19839 (mark_aliases_call_clobbered): Ditto.
19840 (compute_tag_properties): Ditto.
19841 (set_initial_properties): Ditto.
19842 (compute_call_clobbered): Ditto.
19843 (compute_may_aliases): Call compute_call_clobbered and grouping.
19844 (compute_flow_sensitive_aliasing): Remove clobbering related code.
19845 (compute_flow_insensitive_aliasing): Grouping now happens in our
19847 (setup_pointers_and_addressables): Remove clobbering related code.
19848 (add_may_alias): Ditto.
19849 (replace_may_alias): Ditto.
19850 (get_nmt_for): Ditto.
19851 (create_global_var):
19852 (is_escape_site): Return an escape_type enumeration.
19853 * tree-flow-inline.h (is_call_clobbered): Global var does not
19854 imply call clobbered.
19855 (mark_call_clobbered): Take a reason for marking this. Remove
19856 marking of globalness, and cache invalidation.
19857 (clear_call_clobbered): Remove cache invalidation code.
19858 * tree-dfa.c (dump_variable): If details is on, dump the reason
19860 * tree-outof-ssa.c (create_temp): Copy escape mask from original
19862 * tree-flow.h (struct ptr_info_def): Add escape mask member.
19863 (struct var_ann_d): Ditto.
19864 (enum escape_type): New.
19865 (mark_call_clobbered): Adjust prototype.
19866 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
19867 are never call clobbered.
19868 Record reasons for escaping.
19869 * tree-ssa-structalias.h (is_escape_site): Update prototype.
19870 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
19871 (ssa_ro_call_cache_valid): Ditto.
19872 (clobbered_v_may_defs): Ditto.
19873 (clobbered_vuses): Ditto.
19874 (ro_call_vuses): Ditto.
19875 (clobber_stats): New.
19876 (init_ssa_operands): Zero out clobber stats.
19877 (fini_ssa_operands): Print out clobber stats.
19878 (get_call_expr_operands): Pass callee fndecl to
19879 add_call_read_ops).
19880 (add_call_clobber_ops): Remove use of cache.
19881 Add use of PURE_CONST information.
19882 (add_call_read_ops): Remove use of cache.
19883 Add use of static not_read information.
19885 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
19887 Introduce TLS descriptors for i386 and x86_64.
19888 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
19889 (TARGET_ANY_GNU_TLS): New macro.
19890 (enum tls_dialect): Added TLS_DIALECT_GNU2.
19891 (struct machine_function): Add tls_descriptor_call_expanded_p.
19892 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
19893 (ix86_current_function_calls_tls_descriptor): Likewise.
19894 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
19895 (override_options): Introduce gnu2 tls dialect.
19896 (ix86_frame_pointer_required): Functions containing TLSCALLs are
19898 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
19900 (legitimize_tls_address): Adjust logic for GNU2 TLS.
19901 (ix86_init_machine_status): Initialize new field.
19902 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
19903 (ix86_tls_module_base): New.
19904 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
19905 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
19906 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
19907 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
19908 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
19909 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
19910 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
19911 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
19912 * config/i386/predicates.md (tls_modbase_operand): New.
19913 (tp_or_register_operand): New.
19915 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
19917 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
19918 (look_for_address_of): Ditto.
19919 (ipa_init): Walk the function decls.
19920 (static_execute): Don't set readonly on FUNCTION_DECL's.
19922 2006-01-18 Roger Sayle <roger@eyesopen.com>
19924 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
19925 for shifts where the source and destination registers are different.
19927 2006-01-18 Paul Brook <paul@codesourcery.com>
19929 Merge from csl-arm-branch.
19930 2005-03-14 Julian Brown <julian@codesourcery.com>
19931 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
19932 (aeabi_llsl): Likewise.
19933 (ashrdi3): Likewise.
19934 (aeabi_lasr): Likewise.
19935 (lshrdi3): Likewise.
19936 (aeabi_llsr): Likewise.
19937 2005-03-10 Julian Brown <julian@codesourcery.com>
19938 * config.gcc: Disable shared libgcc for SymbianOS.
19939 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
19941 2006-01-18 DJ Delorie <dj@redhat.com>
19943 * c-pragma.c (handle_pragma_diagnostic): New.
19944 (init_pragma): Register it.
19945 * doc/extend.texi: Document it.
19947 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
19948 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
19949 (diagnostic_context): Add classify_diagnostic[].
19950 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
19951 as errors if they're overridden to DK_WARNING.
19952 (diagnostic_initialize): Initialize classify_diagnostic[].
19953 (diagnostic_set_kind_override): New.
19954 (diagnostic_report_diagnostic): Check for kind changes.
19955 * opts.c (common_handle_option): Take lang_mask. Update callers.
19956 Handle OPT_Werror_.
19957 * common.opt (Werror=): New.
19958 * doc/invoke.texi: Document -Werror=*
19960 2006-01-18 Jeff Law <law@redhat.com>
19962 * tree-vrp.c (test_for_singularity): Correct test for new
19963 min limit. Use operand_equal_p rather than pointer equality
19964 for testing if new min/max values are equal.
19966 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
19967 using range information until after propagation and folding.
19969 2006-01-18 Richard Henderson <rth@redhat.com>
19970 Aldy Hernandez <aldyh@redhat.com>
19971 Jakub Jelinek <jakub@redhat.com>
19972 Diego Novillo <dnovillo@redhat.com>
19974 * omp-low.c: New file.
19975 * c-omp.c: New file.
19977 2006-01-18 Richard Henderson <rth@redhat.com>
19978 Jakub Jelinek <jakub@redhat.com>
19979 Diego Novillo <dnovillo@redhat.com>
19981 * doc/invoke.texi: Document -fopenmp.
19982 * tree-dump.h (debug_function): Declare.
19983 * hooks.c (hook_bool_tree_bool_false): New function.
19984 (hook_tree_tree_null): Remove.
19985 (hook_tree_tree_tree_null): New.
19986 * hooks.h: Update to match.
19987 * tree-pretty-print.c (debug_tree_chain): New.
19988 (print_generic_expr): Handle TDF_CHAIN.
19989 (dump_generic_node): Handle BLOCK.
19990 Do not abort with incomplete SWITCH_EXPRs.
19991 Do not dump body of an OpenMP directive if TDF_SLIM is given.
19992 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
19993 print space after directive name.
19994 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
19995 Handle OMP_MASTER and OMP_ORDERED.
19996 Handle printing of OMP_BODY just in one place, goto
19997 dump_omp_body in the rest of OMP_* nodes that have
19999 Don't handle clause nodes here. Update omp statements to
20000 use dump_omp_clauses.
20001 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
20002 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
20003 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
20004 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
20005 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
20006 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
20007 Adjust output for GOMP_PARALLEL.
20008 (dump_omp_clauses): New.
20009 (print_declaration): Dump DECL_VALUE_EXPR.
20010 (op_symbol_1): Split out of op_symbol.
20011 (dumping_stmts): Remove. Update all users.
20012 * cgraph.c (cgraph_analyze_queue): New.
20013 (cgraph_add_new_function): New.
20014 * cgraph.h (cgraph_analyze_queue): Declare.
20015 (cgraph_add_new_function): Declare.
20016 (cgraph_lower_function): Remove.
20017 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
20018 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
20019 and TYPE_P nodes in its default clause.
20020 (empty_body_p): New.
20021 (tree_range_check_failed): New.
20022 (build5_stat): New.
20023 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
20024 OMP_CLAUSE_REDUCTION_MERGE,
20025 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
20026 OMP_CLAUSE_PRIVATE_DEBUG,
20027 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
20028 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
20029 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
20030 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
20031 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
20032 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
20033 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
20034 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
20035 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
20036 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
20037 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
20038 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
20039 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
20040 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
20041 (TREE_RANGE_CHECK): New.
20042 (empty_body_p): Declare.
20043 (enum omp_clause_default_kind): New.
20044 (build_string_literal): Declare.
20045 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
20046 (build5_stat, build5): Declare.
20047 * tree-pass.h (TDF_CHAIN): Define.
20048 * tree-pass.h (PROP_gimple_lomp): Define.
20049 (pass_lower_omp): Declare.
20050 * diagnostic.h (debug_tree_chain): Declare.
20051 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
20053 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
20054 * builtins.c (build_string_literal): Make extern.
20055 * gcc.c (include_spec_function): New.
20056 (static_spec_functions): Add it.
20057 (main): Move load of libgomp.spec ...
20058 (LINK_COMMAND_SPEC): ... here.
20059 (link_gomp_spec): New.
20060 (static_specs): Include it.
20061 (LINK_COMMAND_SPEC): Add link_gomp.
20062 (GOMP_SELF_SPECS): New.
20063 (driver_self_specs): Include it.
20064 (switch_matches): Don't mark inline.
20065 (main): Load libgomp.spec.
20066 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
20067 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
20068 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
20069 * tree-gimple.h (enum omp_parallel): Declare.
20070 (determine_parallel_type): Declare.
20071 (omp_firstprivatize_variable): Declare.
20072 (omp_reduction_init): Declare.
20073 (diagnose_omp_structured_block_errors): Declare.
20074 (struct walk_stmt_info): Add want_return_expr.
20075 (struct walk_stmt_info): Add want_bind_expr, want_locations.
20076 (find_omp_clause): Declare.
20077 (insert_field_into_struct): Declare.
20078 (struct walk_stmt_info): Move from tree-nested.c
20079 (walk_stmts): Declare.
20080 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
20082 * cgraphunit.c (cgraph_lower_function): Make static.
20083 (cgraph_finalize_pending_functions): New.
20084 (cgraph_finalize_function): Call it.
20085 (cgraph_finalize_compilation_unit): Likewise.
20086 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
20087 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
20088 (BT_FN_UINT_UINT): New.
20089 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
20090 DEF_FUNCTION_TYPE_VAR_4): Document.
20091 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
20092 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
20093 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
20094 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
20095 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
20096 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
20097 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
20098 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
20099 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
20100 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
20101 into separate files.
20102 (DEF_GOMP_BUILTIN): New.
20103 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
20104 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
20105 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
20106 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
20107 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
20108 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
20109 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
20110 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
20111 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
20112 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
20113 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
20114 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
20115 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
20116 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
20117 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
20118 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
20119 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
20120 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
20121 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
20122 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
20123 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
20124 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
20125 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
20126 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
20127 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
20128 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
20129 * sync-builtins.def: New file, moved from builtins.def.
20130 * omp-builtins.def: New file, moved from builtins.def.
20131 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
20132 * gimple-low.c (lower_function_body): Clear data.
20133 (lower_stmt): Do not handle COMPOUND_EXPR.
20134 Remove call to print_node_brief.
20135 * c-tree.h (c_finish_omp_clauses): New prototype.
20136 (C_DECL_THREADPRIVATE_P): Define.
20137 (lookup_name_no_remap, c_omp_remap_private): Remove
20138 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
20139 (check_for_loop_decls): Update decl.
20140 (lookup_name_no_remap, c_omp_remap_private): Declare.
20141 (build_indirect_ref, build_modify_expr, pushdecl,
20142 pushdecl_top_level): Move to c-common.h.
20143 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
20144 before the switch, but just in the 2 places that need it.
20145 * c-decl.c (diagnose_mismatched_decls): Do not check for
20146 mismatched thread-local attributes when OLDDECL is marked
20147 threadprivate and NEWDECL has no thread-local attributes.
20148 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
20149 (c_gimple_diagnostics_recursively): Rename from
20150 c_warn_unused_result_recursively. Invoke
20151 diagnose_omp_structured_block_errors.
20152 (check_for_loop_decls): Return a singular decl found.
20153 * langhooks.c (lhd_omp_predetermined_sharing): Return
20154 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
20155 (lhd_omp_firstprivatize_type_sizes): New.
20156 (lhd_omp_assignment): New.
20157 (lhd_omp_predetermined_sharing): New.
20158 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
20159 (struct lang_hooks_for_types): Add
20160 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
20161 omp_predetermined_sharing, omp_disregard_value_expr,
20162 omp_private_debug_clause, omp_clause_default_ctor,
20163 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
20164 (c_finish_omp_clauses): New.
20165 (c_finish_bc_stmt): Diagnose break within omp for.
20166 (c_begin_omp_parallel, c_finish_omp_parallel): New.
20167 (build_unary_op): Return error_mark after reporting
20169 (build_modify_expr): Likewise.
20170 * gimplify.c: Include optabs.h and pointer-set.h.
20171 (enum gimplify_omp_var_data): Declare.
20172 (struct gimplify_omp_ctx): Declare.
20173 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
20175 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
20176 (push_gimplify_context, pop_gimplify_context): Allow nesting.
20177 (splay_tree_compare_decl_uid): New.
20178 (new_omp_context): New.
20179 (delete_omp_context): New.
20180 (gimple_add_tmp_var): Call omp_add_variable.
20181 (gimplify_bind_expr): Likewise.
20182 (gimplify_var_or_parm_decl): If omp_notice_variable returned
20183 true, disregard DECL_VALUE_EXPR on the decl if any.
20184 (gimplify_expr_in_ctx): New.
20185 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
20186 omp_add_variable, omp_notice_variable, omp_is_private
20187 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
20188 gimplify_adjust_omp_clauses, gimplify_omp_parallel
20189 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
20190 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
20191 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
20192 gimplify_omp_atomic): New.
20193 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
20194 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
20195 OMP_CRITICAL and OMP_ATOMIC.
20196 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
20197 * c-pragma.h (enum pragma_kind): Add
20198 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
20199 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
20200 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
20201 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
20202 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
20203 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
20204 PRAGMA_OMP_THREADPRIVATE.
20205 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
20206 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
20207 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
20208 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
20209 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
20210 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
20211 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
20212 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
20213 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
20214 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
20215 * tree-ssa-dce.c (find_control_dependence): Do not assume that
20216 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
20217 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
20219 (struct nesting_info): Add field_map,
20220 suppress_expansion, debug_var_chain.
20221 (create_nesting_tree): Initialize them.
20222 (lookup_field_for_decl): Use field_map.
20223 (get_nonlocal_debug_decl, get_local_debug_decl): New.
20224 (convert_local_omp_clauses): New.
20225 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
20226 (walk_body): Split out of walk_function.
20227 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
20228 (convert_nonlocal_reference): Handle omp statements.
20229 (convert_local_reference): Likewise.
20230 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
20231 (unnest_nesting_tree): New.
20232 (lower_nested_functions): Call it.
20233 (insert_field_into_struct): Make extern.
20234 (struct walk_stmt_info): Move to tree-gimple.h.
20235 (walk_stmts): Make extern.
20236 * omp-builtins.def: New file.
20237 * tree-iterator.c (expr_only): Clarify comment.
20238 * c-common.h (pushdecl_top_level, pushdecl,
20239 build_modify_expr, build_indirect_ref,
20240 c_finish_omp_master, c_finish_omp_critical,
20241 c_finish_omp_ordered, c_finish_omp_barrier,
20242 c_finish_omp_atomic, c_finish_omp_flush,
20243 c_finish_omp_for, c_split_parallel_clauses,
20244 omp_clause_default_kind, c_omp_sharing_predetermined,
20245 c_omp_remap_decl): Declare.
20246 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
20247 (OBJS-common): Add omp-low.o.
20248 (c-omp.o, omp-low.o): Add.
20249 (gimplify.o): Add dependency on $(OPTABS_H).
20250 (GTFILES): Add omp-low.c.
20251 (gt-stringpool.h): Add.
20252 * tree-cfg.c (set_bb_for_stmt): Do not update the
20253 block-to-labels map if we are currently expanding to RTL.
20254 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
20256 Handle IDENTIFIER_NODE.
20257 (tree_verify_flow_info): Do not ICE when emitting error
20258 messages about invalid labels.
20259 (dump_function_to_file): Reset CFUN before emitting the body
20261 (debug_function): New.
20262 * passes.c (init_optimization_passes): Schedule
20264 * langhooks-def.h (lhd_omp_predetermined_sharing,
20265 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
20267 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
20268 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
20269 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
20270 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
20271 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
20272 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
20273 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
20274 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
20275 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
20276 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
20277 (LANG_HOOK_DECLS): Use them.
20279 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
20280 Richard Henderson <rth@redhat.com>
20281 Jakub Jelinek <jakub@redhat.com>
20282 Diego Novillo <dnovillo@redhat.com>
20284 * c-parser.c (pragma_omp_clause): Define.
20285 (c_parser_declaration_or_fndef): Document OpenMP syntax.
20286 (c_parser_compound_statement): Likewise.
20287 (c_parser_statement): Likewise.
20288 (c_parser_pragma): Handle omp pragmas.
20289 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
20290 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
20291 (c_parser_omp_clause_name, check_no_duplicate_clause,
20292 c_parser_omp_variable_list,
20293 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
20294 c_parser_omp_clause_copyprivate,
20295 c_parser_omp_clause_default,
20296 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
20297 c_parser_omp_clause_lastprivate,
20298 c_parser_omp_clause_nowait,
20299 c_parser_omp_clause_num_threads,
20300 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
20301 c_parser_omp_clause_reduction,
20302 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
20303 c_parser_omp_all_clauses, c_parser_omp_structured_block,
20304 c_parser_omp_atomic, c_parser_omp_barrier,
20305 c_parser_omp_critical, c_parser_omp_flush,
20306 c_parser_omp_for_loop, c_parser_omp_for,
20307 c_parser_omp_master, c_parser_omp_ordered,
20308 c_parser_omp_sections_scope, c_parser_omp_sections,
20309 c_parser_omp_parallel, c_parser_omp_single,
20310 c_parser_omp_construct, c_parser_omp_threadprivate): New.
20311 * c-pragma.c (init_pragma): Do omp pragma registration here.
20312 * c.opt (fopenmp): New flag.
20314 2006-01-18 Eric Christopher <echristo@apple.com>
20316 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
20317 * config/darwin.h (GOMP_SELF_SPECS): Define.
20319 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20321 * rtl.h: Remove the prototype for reg_alloc.
20323 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20326 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
20327 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
20328 sjlj and dwarf2 exception handling.
20329 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
20330 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
20331 * pa/pa.c (function_value): Treat complex and vector types as
20333 (function_arg): Likewise. Only pass scalar floats in the floating
20334 point argument registers.
20335 * pa/t-slibgcc-dwarf-ver: New file.
20336 * pa/t-slibgcc-sjlj-ver: New file.
20337 * pa/t-slibgcc-elf-ver: Delete file.
20339 2006-01-19 Alan Modra <amodra@bigpond.net.au>
20341 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
20342 unlikely_test_section_p test.
20344 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20346 * mode-switching.c (optimize_mode_switching): Make it static.
20347 * basic-block.h: Remove the prototype for
20348 optimize_mode_switching.
20350 * modulo-sched.c (sms_schedule): Make it static.
20351 * rtl.h: Remove the prototype for sms_schedule.
20353 * postreload-gcse.c (gcse_after_reload_main): Make it static.
20354 * rtl.h: Remove the prototype for gcse_after_reload_main.
20356 * reg-stack.c (reg_to_stack): Make it static.
20357 * rtl.h: Remove the prototype for reg_to_stack.
20359 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
20361 * rtl.h: Remove the prototypes for regrename_optimize and
20362 copyprop_hardreg_forward.
20364 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
20366 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
20367 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
20368 Test against the appropriate null constant for the mode.
20369 If 'fixup_overlap' is true, swap the operands if they overlap.
20370 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
20371 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
20372 alpha_split_tmode_pair and adjust for above change.
20373 * config/alpha/alpha.md (movtf_internal): Adjust call to
20374 alpha_split_tfmode_pair and rely on it to swap the operands.
20375 (movti_internal): New insn and post-reload splitter.
20376 (movti): New expander.
20378 2006-01-18 Philippe De Muyter <phdm@macqel.be>
20380 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
20383 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20385 * rtlanal.c (global_reg_mentioned_p_1,
20386 global_reg_mentioned_p): Remove.
20387 * rtl.h: Remove the prototype for global_reg_mentioned_p.
20389 * flow.c (initialize_uninitialized_subregs): Make it static.
20390 * rtl.h: Remove the prototype for
20391 initialize_uninitialized_subregs.
20393 * function.c (instantiate_virtual_regs): Make it static.
20394 * function.h: Remove the prototype for
20395 instantiate_virtual_regs.
20397 * regmove.c (regmove_optimize, combine_stack_adjustments):
20399 * rtl.h: Remove the prototypes for regmove_optimize and
20400 combine_stack_adjustments.
20402 2006-01-17 Roger Sayle <roger@eyesopen.com>
20404 * config/i386/i386.c (COSTS_N_BYTES): New macro.
20405 (size_cost): Encode costs in bytes so that a reg-reg addition is
20406 equivalent to COSTS_N_INSNS(1).
20407 (override_options): Use the size_cost.branch_cost as the default
20408 ix86_branch_cost when optimizing for size.
20410 2006-01-18 Ben Elliston <bje@au.ibm.com>
20412 * Makefile.in (D32PBIT_FUNCS): New.
20413 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
20414 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
20415 D64PBIT_FUNCS and D128PBIT_FUNCS.
20416 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
20417 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
20419 (decnumber_dep): Define.
20420 * doc/libgcc.texi (Decimal float library routines): New node.
20421 * config/dfp-bit.h, config/dfp-bit.c: New files.
20423 2006-01-18 Ben Elliston <bje@au.ibm.com>
20425 * expr.c (emit_move_change_mode): Always adjust addresses, not
20426 just during reload. Copy replacements only during reload.
20427 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
20428 emit_move_via_integer.
20430 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
20432 * Makefile.in (check-%, check-consistency): Use $${srcdir}
20433 instead of $(srcdir) and ${srcdir}.
20435 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
20438 PR middle-end/11135
20439 * arm.h (struct machine_function): Add pic_reg.
20440 * arm.c (arm_pic_register): Make unsigned.
20441 (arm_override_options): Only set arm_pic_register if
20442 TARGET_SINGLE_PIC_BASE.
20443 (use_return_insn): Only test for a pic register if it is fixed.
20444 (arm_compute_save_reg0_reg12_mask): Likewise.
20445 (thumb_compute_save_reg_mask): Likewise.
20446 (legitimate_pic_operand): Factor out some known invariants.
20447 (legitimize_pic_address): If we don't have a fixed pic register,
20448 then set up a pseudo in the function entry sequence. Handle the
20449 pic base being in a pseudo.
20450 (arm_load_pic_register): Handle the pic register being in a pseudo.
20451 (arm_expand_prologue): Only set up the pic register if it is fixed.
20452 (thumb_expand_prologue): Likewise.
20453 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
20454 (pic_load_addr_based_insn): Likewise.
20455 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
20458 2006-01-18 Ben Elliston <bje@au.ibm.com>
20460 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
20461 decimal float modes for all floating point registers.
20463 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
20464 match_code "mem" with match_test "macho_lo_sum_memory_operand".
20466 2006-01-17 Jakub Jelinek <jakub@redhat.com>
20469 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
20470 even when the pointer is not NULL.
20472 2006-01-16 Ian Lance Taylor <ian@airs.com>
20474 * common.opt (ftoplevel-reorder): New option.
20475 * cgraph.c (cgraph_asm_nodes): New global variable.
20476 (cgraph_asm_last_node): New static variable.
20477 (cgraph_order): New global variable.
20478 (cgraph_create_node): Set new order field.
20479 (cgraph_varpool_node): Likewise.
20480 (decide_is_variable_needed): Return true if not
20481 flag_toplevel_reorder.
20482 (cgraph_add_asm_node): New function.
20483 * cgraph.h (struct cgraph_node): Add order field.
20484 (struct cgraph_varpool_node): Add order field.
20485 (struct cgraph_asm_node): Define.
20486 (cgraph_asm_nodes, cgraph_order): Declare.
20487 (cgraph_add_asm_node): Declare.
20488 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
20490 (cgraph_varpool_assemble_pending_decls): Call it.
20491 (cgraph_output_pending_asms): New static function.
20492 (cgraph_finalize_compilation_unit): Call it.
20493 (struct cgraph_order_sort): Define.
20494 (cgraph_output_in_order): New static function.
20495 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
20496 !flag_toplevel_reorder case.
20497 * c-parser.c: Include "cgraph.h".
20498 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
20500 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
20501 than -fno-unit-at-a-time.
20502 * doc/invoke.texi (Option Summary): Mention
20503 -fno-toplevel-reorder.
20504 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
20505 -funit-at-a-time documentation.
20507 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
20508 Kazu Hirata <kazu@codesourcery.com>
20510 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
20512 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
20514 * Makefile.in (FUNCTION_H): New. Use it instead of
20515 function.h throughout the file.
20516 * function.h: Include tree.h.
20518 2006-01-17 Ben Elliston <bje@au.ibm.com>
20520 * recog.c: Separate some functions with whitespace.
20522 2006-01-16 Richard Henderson <rth@redhat.com>
20524 Merge from gomp branch:
20525 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
20526 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
20527 and rename from struct inline_data. Rename callee* to dst*;
20528 caller* to src*; add copy_decl hook, transform_call_graph_edges,
20529 transform_new_cfg, transform_return_to_modify, and
20530 transform_lang_insert_block flags; remove cloning_p, versioning_p,
20532 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
20533 (copy_decl_for_dup): Remove.
20534 * tree-inline.c (struct inline_data): Move to header.
20535 (insert_decl_map): Export.
20536 (remap_decl): Update for member name changes. Use copy_decl hook.
20537 Allow for replacement to be a non-decl. Remove dead code.
20538 (remap_type_1): Check for existing mapping.
20539 (remap_type): Export.
20540 (remap_decls): Update for member name changes.
20541 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
20542 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
20543 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
20544 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
20545 (tree_function_versioning, build_duplicate_type): Likewise.
20546 (copy_body_r): Likewise. Export.
20547 (copy_decl_for_dup): Split into ...
20548 (copy_decl_for_dup_finish, copy_decl_to_var,
20549 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
20550 (replace_ref_tree, inlining_p): Remove.
20552 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20554 * ifcvt.c (if_convert): Make it static.
20555 * rtl.h: Remove the prototype for if_convert.
20557 * local-alloc.c (local_alloc): Make it static.
20558 * rtl.h: Remove the prototype for local_alloc.
20560 * loop.c (loop_optimize): Make it static.
20561 * cfgloop.h: Remove the prototype for loop_optimize.
20564 2006-01-16 DJ Delorie <dj@redhat.com>
20566 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
20569 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20571 * pa.md: Disparage copies between general and floating-point registers
20572 in 32-bit move patterns.
20574 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
20577 * Makefile.in (check-%): Depend on site.exp instead of
20578 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
20581 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20583 * global.c (global_alloc): Make it static.
20584 * rtl.h: Remove the prototype for global_alloc.
20586 2006-01-16 Richard Guenther <rguenther@suse.de>
20588 * tree-ssa-alias.c (struct used_part): Add write_only field.
20589 (get_or_create_used_part_for): Initialize it to true.
20590 (create_overlap_variables_for): Don't create structure variables
20591 for structures that only are written to.
20592 (find_used_portions): Handle MODIFY_EXPR to track whether a
20593 structure is only written to.
20595 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20597 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
20599 * basic-block.h: Remove the prototype for
20600 partition_hot_cold_basic_blocks.
20602 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
20604 * cppspec.c (lang_specific_spec_functions): Remove.
20605 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
20606 * gcc.h (lang_specific_spec_functions): Remove.
20607 * gccspec.c (lang_specific_spec_functions): Remove.
20609 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
20611 * combine.c (record_value_for_reg): Invalidate registers
20613 (record_dead_and_set_regs_1): Likewise, by passing them to
20614 record_value_for_reg.
20615 (record_dead_and_set_regs): Invalidate stores made by a
20616 call. We do not combine across a call, but we still
20617 relied on equivalences.
20619 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20621 * tree-vrp.c (extract_range_from_binary_expr): Cope with
20622 vrp_int_const_binop returning non-constant nodes.
20624 2006-01-16 Paul Brook <paul@codesourcery.com>
20626 * config/m68k/m68k.c (output_move_const_into_data_reg):
20627 Output correct mnemonic for mvz and mvs.
20629 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
20631 * rtl-factoring.c: Add sequence abstraction algorithm.
20632 * cfgcleanup.c (outgoing_edges_match): Extra checks.
20633 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
20635 (block_has_preserve_label): New function.
20636 * common.opt: Register new pass.
20637 * Makefile.in: Ditto.
20639 * timevar.def: Ditto.
20640 * tree-pass.h: Ditto.
20641 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
20642 * rtl.h (make_jump_insn_raw): Add forward decl.
20643 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
20645 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20646 Roger Sayle <roger@eyesopen.com>
20648 * fold-const.c (fold_minmax): New static function.
20649 (fold_binary) <MIN_EXPR>: Call it.
20650 <MAX_EXPR>: Likewise.
20651 * stor-layout.c (place_field): Use DECL_SIZE consistently
20652 in the computation of the new record size.
20654 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20656 * cse.c (cse_condition_code_reg): Make it static.
20657 * rtl.h: Remove the prototype for cse_condition_code_reg.
20659 * combine.c (combine_instructions): Make it static.
20660 * rtl.h: Remove the prototype for combine_instructions.
20662 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20665 * tree.c (get_file_function_name_long): Concatenate the first global
20666 object name with a string derived from the input filename of the object
20669 2006-01-16 Ben Elliston <bje@au.ibm.com>
20671 * config/i386/winnt-stubs.c: Update FSF address.
20672 * config/xtensa/ieee754-df.S: Ditto.
20673 * config/xtensa/ieee754-sf.S: Ditto.
20675 2006-01-14 Ian Lance Taylor <ian@airs.com>
20677 * ifcvt.c (noce_init_if_info): New static function, broken out of
20678 noce_process_if_block.
20679 (noce_process_if_block): Call noce_init_if_info.
20680 (check_cond_move_block): New static function.
20681 (cond_move_process_if_block): New static function.
20682 (process_if_block): Call cond_move_process_if_block.
20684 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
20686 * cselib.c (hash_table): Rename to cselib_hash_table.
20687 (cselib_clear_table, discard_useless_values,
20688 remove_useless_values, cselib_lookup_mem, cselib_lookup,
20689 cselib_init, cselib_finish): Adjust uses of hash_table.
20691 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
20693 PR tree-optimization/25485
20694 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
20695 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
20696 is known to be false and true, respectively.
20698 2006-01-14 Richard Guenther <rguenther@suse.de>
20700 PR tree-optimization/22548
20701 PR tree-optimization/22555
20702 PR tree-optimization/22501
20703 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
20704 * params.def (salias-max-array-elements): New parameter.
20705 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
20706 * doc/invoke.texi (salias-max-array-elements): Document.
20707 * tree-flow-inline.h (var_can_have_subvars): We also handle
20709 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
20711 * tree-ssa-structalias.c (params.h): Include.
20712 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
20713 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
20714 (get_constraint_for): For ADDR_EXPR operating on something
20715 containing an ARRAY_REF, add all subvars to the solution.
20716 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
20717 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
20718 for creating MUST_DEFs.
20719 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
20721 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
20723 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
20725 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
20726 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
20727 number_of_iterations_le): New functions.
20728 (number_of_iterations_special): Removed.
20729 (number_of_iterations_exit): Do not use number_of_iterations_special.
20730 * tree.c (unsigned_type_for): Always return integer type.
20732 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
20733 Richard Guenther <rguenther@suse.de>
20735 PR rtl-optimization/24257
20736 * gcse.c (find_moveable_store): Only consider a store movable
20737 when the SET_SRC of the insn can be assigned to a register.
20739 2006-01-14 Ian Lance Taylor <ian@airs.com>
20741 * tree.c (tree_not_class_check_failed): New function.
20742 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
20743 (tree_not_class_check_failed): Declare.
20745 2006-01-13 Ian Lance Taylor <ian@airs.com>
20747 * reload1.c (do_output_reload): Add assertion rejecting a
20750 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
20752 * combine.c (struct reg_stat): Add new fields truncation_label and
20754 (record_value_for_reg): Reset truncated_to_mode.
20755 (record_truncated_value): New function.
20756 (check_promoted_subreg): Call it. Rename to check_conversions.
20757 (combine_instructions): Rename check_promoted_subreg to
20759 (reg_truncated_to_mode): New function.
20760 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
20761 (gen_lowpart_or_truncate): New function.
20762 (force_to_mode): Use it instead of gen_lowpart.
20764 2006-01-13 Diego Novillo <dnovillo@redhat.com>
20766 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
20767 VAR is a tag, not its type tag.
20769 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
20771 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
20772 alternatives to match style of other entries.
20773 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
20775 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
20777 PR tree-optimization/25771
20778 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
20781 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
20784 * tree-inline.c (declare_return_variable): If the return variable
20785 was marked as a non gimple complex, set the return slot variable
20786 to be a non gimple comple variable.
20788 2006-01-13 Richard Guenther <rguenther@suse.de>
20790 * builtins.c (expand_builtin_sincos): New function.
20791 (expand_builtin_mathfn_3): Remove dead code, sin and cos
20793 (expand_builtin): Expand sincos using expand_builtin_sincos.
20795 2006-01-12 DJ Delorie <dj@redhat.com>
20797 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
20798 shift counts, separate SI shifts for m32c vs m16c, pass shift type
20799 so that constant shifts can be split.
20800 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
20801 (m32c_valid_pointer_mode): Make static.
20802 (shift_gen_func_for): New.
20803 (m32c_prepare_shift): Use it. Split large const shifts into
20805 * config/m32c/predicates.md (shiftcount_operand): Allow more
20807 (longshiftcount_operand): New.
20808 * doc/md.texi (Machine Constraints): Document In6.
20810 2006-01-13 Ben Elliston <bje@au.ibm.com>
20812 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
20813 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
20816 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
20818 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
20819 to try to avoid clobbering pieces of structures when we know
20820 something about the whole structure.
20821 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
20823 2006-01-13 Ben Elliston <bje@au.ibm.com>
20825 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
20826 return in memory, as this is no limitation is no longer present.
20828 2006-01-12 DJ Delorie <dj@redhat.com>
20830 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
20831 mova with fb, and for fb+0 -> An.
20833 * config/m32c/mov.md (peephole2): Fix enabling logic.
20835 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
20836 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
20837 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
20838 FINI_ARRAY_SECTION_ASM_OP): Define.
20840 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
20842 (m32c_legitimize_reload_address): New logic to reload FB to An.
20843 (m32c_output_reg_push): Add newline.
20844 (m32c_output_reg_pop): Likewise.
20846 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
20848 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
20850 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
20852 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
20854 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20856 * config/sh/predicates.md (sh_rep_vec): Add parallel to
20859 2006-01-11 Ben Elliston <bje@au.ibm.com>
20861 * rtlanal.c (find_reg_note): Assert insn is not null.
20863 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
20865 * df-scan.c (df_hard_reg_init): Move declaration of i outside
20868 2006-01-11 Jeff Law <law@redhat.com>
20870 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
20872 (mark_threaded_blocks, register_jump_thread): New functions.
20873 (thread_through_all_blocks): Remove unwanted argument. No
20874 longer rely on e->aux to communicate thread target info.
20875 Call mark_threaded_blocks. Release the threaded_blocks
20876 bitmap and threaded_edges vector when complete.
20877 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
20878 (threaded_blocks): Remove.
20879 (tree_ssa_dominator_optimize): Remove initialization and
20880 finalization of threaded_blocks. Simplify call to
20881 thread_through_all_blocks.
20882 (thread_across_edge): Call register_jump_thread rather than
20883 storing thread information into e->aux.
20884 (free_all_edge_infos): Simplify now that e->aux is no longer
20885 used to communicate with thread_through_all_blocks.
20886 * tree-flow.h (thread_through_all_blocks): Update prototype.
20887 (register_jump_thread): Prototype.
20889 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20891 * df-core.c (df_compact_blocks, df_bb_replace): Use
20892 SET_BASIC_BLOCK instead of BASIC_BLOCK.
20894 2006-01-11 Richard Guenther <rguenther@suse.de>
20896 PR tree-optimization/25734
20897 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
20898 stop propagation after successful propagation to the LHS.
20900 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20902 * basic-block.h (control_flow_graph): Change the type of
20903 x_basic_block_info to VEC(basic_block,gc) *.
20904 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
20906 (SET_BASIC_BLOCK): New.
20907 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
20908 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
20909 * cfgbuild.c (find_basic_blocks): Likewise.
20910 * cfglayout.c (fixup_reorder_chain): Likewise.
20911 * cfgrtl.c (create_basic_block_structure,
20912 rtl_create_basic_block): Likewise.
20913 * ifcvt.c (find_if_case_1): Likewise.
20914 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
20917 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
20919 * Makefile.in: Removed rotted odf.c entry.
20921 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
20924 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
20925 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
20926 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
20927 output pattern modifier, not %e.
20928 * config/cris/cris.c (cris_op_str): Update comment about pattern
20930 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
20931 before falling through into...
20932 <case 'E'>: Redefined from old 'e' case.
20934 2006-01-11 Jan Hubicka <jh@suse.cz>
20937 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
20939 2006-01-11 Jan Hubicka <jh@suse.cz>
20941 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
20942 * i386.c (x86_decompose_lea): Kill.
20943 (ix86_rtx_costs): Kill.
20945 2006-01-11 Jan Hubicka <jh@suse.cz>
20947 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
20948 * cgraph.h (cgraph_node): Add inline_decl.
20949 (cgraph_insert_node_to_hashtable): Declare.
20950 (save_inline_function_body): Declare.
20951 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
20953 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
20954 (cgraph_function_versioning): Update call of tree_function_versioning.
20955 (save_inline_function_body): New function.
20956 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
20957 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
20958 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
20959 (cgraph_default_inline_p): Likewise.
20960 (cgraph_decide_inlining_incrementally): Likewise.
20961 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
20962 (copy_bb): Kill saving; do updating of clones.
20963 (copy_cfg_body): Kill saving.
20964 (initialize_inlined-parameters): Likewise.
20965 (expand_call_inline): Likewise.
20967 (tree_function_versioning): New parameter "update_clones".
20968 (inlining_p): Kill saving.
20969 * tree-inline.h (tree_function_versioning): Update prototype.
20970 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
20973 2006-01-11 Ian Lance Taylor <ian@airs.com>
20975 * combine.c (struct undo): Remove is_int. Enumify types of undos.
20976 Allow undoing set of machine mode.
20977 (do_SUBST): Use enums instead of is_int.
20978 (do_SUBST_MODE): New function.
20979 (SUBST_MODE): New macro.
20980 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
20981 reg and trying to replace reg_regno_rtx with a new register.
20982 (undo_all): Use new enums, handle undoing a PUT_MODE change.
20983 (simplify_set): Use SUBST_MODE.
20984 (distribute_notes): Remove code that tried to update reg notes
20985 for regno_reg_rtx changes.
20987 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
20989 PR tree-optimization/23109
20990 PR tree-optimization/23948
20991 PR tree-optimization/24123
20993 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
20994 * tree-cfg.c (single_noncomplex_succ): New.
20995 * tree-flow.h (single_noncomplex_succ): Declare it.
20996 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
20997 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
20998 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
20999 insert_bb, register_division_in, insert_reciprocals,
21000 replace_reciprocal, free_bb): New.
21001 (execute_cse_reciprocals_1): Rewritten.
21002 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
21003 Do not commit any edge insertion. Always compute dominators and
21004 create the allocation pool.
21005 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
21006 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
21007 * targhooks.c (default_min_divistions_for_recip_mul): New.
21008 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
21009 * passes.c (init_optimization_passes): Run recip after tree loop
21011 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
21013 2006-01-11 Danny Berlin <dberlin@dberlin.org>
21014 Kenneth Zadeck <zadeck@naturalbridge.com>
21016 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
21017 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
21018 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
21019 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
21020 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
21021 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
21022 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
21023 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
21024 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
21025 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
21026 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
21027 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
21028 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
21029 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
21030 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
21031 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
21032 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
21033 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
21034 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
21035 DF_SCAN_POST_ALLOC): New macros.
21036 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
21037 df_free_bb_function, df_local_compute_function, df_init_function,
21038 df_dataflow_function, df_confluence_function_0,
21039 df_confluence_function_n, df_transfer_function,
21040 df_finalizer_function, df_free_function, df_dump_problem_function,
21041 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
21042 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
21043 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
21044 df_urec_bb_info, ) New types.
21045 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
21047 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
21048 df_analyze_simple_change_some_blocks,
21049 df_analyze_simple_change_one_block, df_compact_blocks,
21050 df_bb_replace, df_bb_regno_last_use_find,
21051 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
21052 df_insn_regno_def_p, df_find_def, df_find_use,
21053 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
21054 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
21055 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
21056 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
21057 debug_df_chain, df_get_dependent_problem, df_chain_create,
21058 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
21059 df_grow_bb_info, df_chain_dump, df_print_bb_index,
21060 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
21061 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
21062 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
21063 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
21064 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
21065 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
21066 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
21067 df_ref_remove, df_insn_refs_delete, df_refs_delete,
21068 df_reorganize_refs, df_set_state, df_hard_reg_init,
21069 df_read_modify_subreg_p) New public functions.
21070 * df-core.c: The core dataflow solver and glue routines for rtl
21072 (df_init, df_add_problem, df_set_blocks, df_finish,
21073 df_hybrid_search_forward, df_hybrid_search_backward,
21074 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
21075 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
21076 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
21077 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
21078 df_reg_defined, df_find_use, df_reg_used, df_dump,
21079 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
21080 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
21081 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
21082 debug_df_useno, reset_df_after_reload): New functions.
21083 * df-scan.c: The scanning fuctions, once in df.c, completely
21084 rewritten so that they now fully model the functionality of
21085 register usage at the backend.
21086 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
21087 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
21088 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
21089 df_grow_insn_info, df_rescan_blocks, df_ref_create,
21090 df_get_artificial_defs, df_get_artificial_uses,
21091 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
21092 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
21093 df_refs_delete, df_reorganize_refs, df_set_state,
21094 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
21095 df_def_record_1, df_defs_record, df_uses_record,
21096 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
21097 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
21098 df_record_exit_block_uses, df_hard_reg_init): New functions.
21100 * df-problems.c: Seven concrete dataflow problems that use the
21101 scanning in df-scan.c and are solved by the engine in df-core.c.
21102 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
21103 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
21104 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
21105 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
21106 df_ru_free_bb_info, df_ru_alloc,
21107 df_ru_bb_local_compute_process_def,
21108 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
21109 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
21110 df_ru_transfer_function, df_ru_free, df_ru_dump,
21111 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
21112 df_rd_free_bb_info, df_rd_alloc,
21113 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
21114 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
21115 df_rd_transfer_function, df_rd_free, df_rd_dump,
21116 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
21117 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
21118 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
21119 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
21120 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
21121 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
21122 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
21123 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
21124 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
21125 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
21126 df_urec_mark_reg_change, df_urec_check_earlyclobber,
21127 df_urec_mark_reg_use_for_earlyclobber,
21128 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
21129 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
21130 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
21131 df_urec_dump, df_urec_add_problem, df_chain_alloc,
21132 df_chain_create_bb_process_use, df_chain_create_bb,
21133 df_chain_finalize, df_chain_free, df_chains_dump,
21134 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
21135 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
21136 df_reg_lifetime): New functions.
21137 * df.c: Deleted file.
21138 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
21139 consistent with new df api.
21140 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
21141 rest_of_handle_sms): Ditto.
21142 * web.c (unionfind_union, union_defs, entry_register, web_main):
21144 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
21145 invariant_expr_equal_p, find_defs, check_dependencies,
21146 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
21147 free_inv_motion_data, move_loop_invariants): Ditto.
21148 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
21149 Update dependencies.
21150 (odf.c): Added defective entry that was deleted later in day.
21151 * sched-deps.c (sched_analyze_1): Ditto.
21153 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
21155 * tree-ssa-operands.c (get_expr_operands): Record addressable
21156 variables directly. Do not call add_stmt_operands for CONST_DECLs
21158 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
21159 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
21161 2006-01-11 Ben Elliston <bje@au.ibm.com>
21163 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
21164 function returns true in the positive case.
21166 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21169 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
21170 for SI, DI, SF and DF modes. Add alternatives to copy between
21171 general and floating point registers to the 32-bit patterns.
21172 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
21173 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
21174 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
21175 generating 64-bit code.
21176 * config/pa/pa.c (output_move_double): Handle copies between general
21177 and floating registers.
21179 2006-01-10 Stuart Hastings <stuart@apple.com>
21181 * config/i386/i386.md (set_got): Update.
21182 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
21183 (builtin_setjmp_receiver): Mach-O support.
21184 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
21185 (GOT_SYMBOL_NAME): Define.
21186 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
21187 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
21188 * config/i386/i386.c (override_options): Revise for Darwin.
21189 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
21190 support. (darwin_x86_file_end): New. (output_set_got): Add label
21191 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
21192 * config/i386/i386-protos.h (output_set_got): Likewise.
21193 * config/darwin.c (machopic_legitimize_pic_address): Update
21196 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
21198 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
21199 when MODE isn't BLKmode.
21201 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
21203 PR rtl-optimization/25367
21204 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
21206 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
21209 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
21210 for a negative bound.
21212 2006-01-10 Richard Guenther <rguenther@suse.de>
21214 * tree-ssa-structalias.c (get_constraint_for_component_ref):
21215 Never override with anything constraint.
21217 2006-01-10 Jan Beulich <jbeulich@novell.com>
21219 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
21220 256 bits when optimize_size.
21222 2006-01-10 Jan Beulich <jbeulich@novell.com>
21224 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
21226 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
21227 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
21230 2006-01-10 Ben Elliston <bje@au.ibm.com>
21232 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
21234 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
21235 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
21236 (USE_FP_FOR_ARG): Reject decimal float modes.
21237 (function_arg_advance): Likewise.
21238 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
21239 (rs6000_handle_altivec_attribute): Do not permit decimal floating
21240 point types in AltiVec vectors.
21241 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
21242 (rs6000_libcall_value): Likewise.
21244 2006-01-09 Bob Wilson <bob.wilson@acm.org>
21246 * config/xtensa/ieee754-df.S: New file.
21247 * config/xtensa/ieee754-sf.S: New file.
21248 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
21249 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
21250 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
21252 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
21254 * config/sh/predicates.md (binary_float_operator,
21255 binary_logical_operator, commutative_float_operator,
21256 equality_comparison_operator, greater_comparison_operator,
21257 less_comparison_operator, logical_operator,
21258 noncommutative_float_operator, shift_operator,
21259 symbol_ref_operand, unary_float_operator): Remove redundant
21262 2006-01-09 Jeff Law <law@redhat.com>
21264 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
21265 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
21266 now unused arguments. Callers updated.
21267 (eliminate_redundant_computations): Remove now unused arguments,
21269 (local_fold): Remove, no longer used.
21270 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
21272 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
21273 (simplify_cond): New function.
21274 (forward_propagate_into_cond): Call simplify_cond.
21276 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
21278 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
21279 (*vec_extractv2di_1_sse): New.
21281 2006-01-09 Ben Elliston <bje@au.ibm.com>
21283 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
21285 2006-01-08 Richard Guenther <rguenther@suse.de>
21287 * tree-ssa-structalias.c (get_constraint_for): Remove
21288 anyoffset argument.
21289 (get_constraint_for_component_ref): Likewise.
21290 (do_deref): Likewise.
21291 (get_constraint_for): Likewise.
21292 (do_structure_copy): Likewise.
21293 (handle_ptr_arith): Likewise.
21294 (find_func_aliases): Likewise. Remove unused need_anyoffset
21297 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
21298 Kaz Kojima <kkojima@gcc.gnu.org>
21300 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
21301 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
21302 (EXTRA_CONSTRAINT_C16): Remove.
21303 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
21304 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
21305 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
21306 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
21307 constants of SHmedia. Handle nested constant expressions of
21309 (andcosts): Fix the costs for SHmedia constants.
21310 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
21311 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
21312 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
21313 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
21314 (movv4hi_i, movv2si_i): Likewise.
21315 (movsi_const): Adjust the second operand of ior so to match with
21316 the Csu constraint.
21317 (movdi_const, movdi_const_32bit): Likewise.
21318 (movdi_const_16bit+1): Don't sign-extend LOW.
21319 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
21321 (*double_shori): Fix the split condition. Use GEN_INT instead
21322 of get_int_mode calls. Mask lower 16-bit of the argument of
21324 (sym2GOTPLT): Remove.
21325 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
21327 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
21328 instead of EXTRA_CONSTRAINT_C16.
21330 2006-01-07 Ian Lance Taylor <ian@airs.com>
21331 David Edelsohn <edelsohn@gnu.org>
21333 PR rtl-optimization/25662
21334 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
21335 for constant operands instead of simplify_gen_binary.
21336 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
21337 after trying simplify_binary_operation
21339 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
21341 * tree.c (iterative_hash_expr): Hash decls based on UID.
21343 2006-01-06 Eric Christopher <echristo@apple.com>
21345 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
21346 (TARGET_UNWIND_EMIT): Fix spelling.
21347 * target.h (gcc_target): Add except_table_label.
21348 * except.c (output_function_exception_table): Use.
21349 * varasm.c (default_emit_except_table_label): New.
21350 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
21352 (asm_out): Add here.
21353 * output.h (default_emit_except_table_label): Prototype.
21354 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
21355 * config/darwin.c (darwin_emit_except_table_label): Define.
21356 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
21358 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
21360 PR tree-optimization/18527
21361 * tree-ssa-loop-niter.c (number_of_iterations_cond,
21362 number_of_iterations_special, number_of_iterations_exit):
21363 Move base and step of an iv to a single structure. Add
21364 no_overflow flag, and use it in # of iterations analysis.
21365 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
21366 folded_casts argument.
21367 (simple_iv): Pass base and step in a structure. Set no_overflow
21369 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
21370 Evaluate expensiveness of computing # of iterations instead of
21371 the final expression.
21372 * tree-scalar-evolution.h (affine_iv): New structure.
21373 (simple_iv): Declaration changed.
21374 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
21375 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
21376 find_givs_in_stmt): Changed due to simple_iv change.
21378 2006-01-06 Jeff Law <law@redhat.com>
21381 * tree-cfg.c (bsi_replace): Rename final argument from
21382 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
21383 change (stmt -> orig_stmt).
21384 * tree-eh.c (verify_eh_throw_stmt_node): New function.
21385 (bsi_remove): Add new argument. Remove EH information
21387 (verify_eh_throw_table_statements): New function.
21388 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
21390 * tree-optimize.c (execute_free_cfg_annotations): Verify
21391 the EH throw statement table after removing annotations.
21392 * except.h (verify_eh_throw_table_statements): Prototype.
21393 * tree-flow.h (bsi_remove): Update prototype.
21394 * tree-vrp.c (remove_range_assertions): Add new argument to
21396 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
21397 * tree-complex.c (expand_complex_div_wide): Likewise.
21398 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
21399 * tree-tailcall.c (eliminate_tailcall): Likewise.
21400 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
21401 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
21402 * tree-nrv.c (tree_nrv): Likewise.
21403 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
21404 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
21405 (combine_blocks): Likewise.
21406 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
21407 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
21408 (cleanup_control_flow): Likewise.
21409 (remove_forwarder_block): Likewise.
21410 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
21411 * tree-sra.c (sra_replace): Likewise.
21412 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
21413 (forward_propagate_single_use_vars): Likewise.
21414 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
21415 * tree-inline.c (expand_call_inline): Likewise.
21416 * tree-vect-transform.c (vect_transform_loop): Likewise.
21417 * tree-outof-ssa.c (rewrite_trees): Likewise.
21418 * tree-cfg.c (make_goto_expr_edges): Likewise.
21419 (cleanup_dead_labels): Likewise.
21420 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
21421 (bsi_move_before, bsi_move_after): Likewise.
21422 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
21423 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
21425 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
21428 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
21430 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
21431 on non gimple variables. Also add checks at the top for decls and
21433 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
21435 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
21436 and IMAGPART_EXPR for creating MUST_DEFs.
21437 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
21438 and NAME_MEMORY_TAG separately from the DECLs.
21440 2006-01-06 Richard Guenther <rguenther@suse.de>
21442 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
21443 annotation, if necessary.
21444 * tree-ssa-pre.c (create_expression_by_pieces): Remove
21445 redundant calls to update_stmt.
21446 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
21449 2006-01-05 Richard Henderson <rth@redhat.com>
21451 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
21453 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21455 * c-typeck.c: Update copyright date.
21457 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21459 * c-typeck.c (build_c_cast): Always warn when casting
21460 from a pointer to an integer of different size, even if
21461 the node was constant.
21463 2006-01-05 Richard Guenther <rguenther@suse.de>
21465 PR tree-optimization/22555
21466 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
21467 if one structure field is an array.
21468 * tree-ssa-operands.c (get_expr_operands): Continue scanning
21469 operands even if we found a subvar, but ignore VOPs in this
21471 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
21473 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
21475 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
21477 PR middle-end/24998
21478 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
21480 2006-01-05 Richard Guenther <rguenther@suse.de>
21481 Diego Novillo <dnovillo@redhat.com>
21483 * tree-pass.h (TODO_remove_unused_locals): Define.
21484 * gimple-low.c (expand_var_p, remove_useless_vars,
21485 pass_remove_useless_vars): Remove. Update all users.
21486 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
21487 (remove_unused_locals): New function.
21488 * tree-flow.h (remove_unused_locals): Declare.
21489 * passes.c (execute_todo): Call remove_unused_locals if
21490 TODO_remove_unused_locals is set.
21491 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
21492 * tree-ssa-dce.c (pass_dce): Likewise.
21493 * tree-outof-ssa.c (pass_del_ssa): Likewise.
21495 2006-01-05 Richard Guenther <rguenther@suse.de>
21497 * tree-flow.h (struct fieldoff): Decompose field to
21498 type, size and decl.
21499 * tree-ssa-alias.c (create_sft): Take type as parameter.
21500 (create_overlap_variables_for): Store type, size and decl
21501 in the fieldoff structure.
21502 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
21503 of struct fieldoff.
21504 (push_fields_onto_fieldstack): Likewise.
21505 (create_variable_info_for): Likewise. Use offset for the
21506 SFT name if the decl is not available.
21508 2006-01-04 Paul Brook <paul@codesourcery.com>
21510 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
21512 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
21514 * lambda-code.c (can_put_in_inner_loop): Relax
21516 (can_put_after_inner_loop): New function.
21517 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
21518 (perfect_nestify): Change to make copies and modify uses.
21520 2006-01-04 Richard Henderson <rth@redhat.com>
21522 Merge from gomp branch:
21523 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
21524 via integer constant.
21525 (pragma_lex): Remove.
21526 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
21527 rather than parsing it.
21528 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
21529 handle_pragma_extern_prefix): Add %< %> quotes.
21530 (registered_pragmas): New.
21531 (c_register_pragma_1): New.
21532 (c_register_pragma): Use it.
21533 (c_register_pragma_with_expansion): Likewise.
21534 (c_invoke_pragma_handler): New.
21535 (init_pragma): Use cpp_register_deferred_pragma directly for
21537 * c-pragma.h (enum pragma_kind): New.
21538 (pragma_handler): New.
21539 (c_invoke_pragma_handler): Declare.
21540 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
21542 * c-common.h (c_common_pch_pragma): Update decl.
21543 * Makefile.in (c-parser.o): Update dependencies.
21544 (GTFILES): Add c-pragma.h.
21545 * c-parser.c (struct c_token): Add pragma_kind.
21546 (struct c_parser): Add in_pragma.
21547 (c_lex_one_token): Always initialize keyword and pragma_kind.
21548 Extract data for CPP_PRAGMA.
21549 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
21550 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
21551 Don't allow CPP_PRAGMA_EOL if in_pragma.
21552 (c_parser_consume_pragma): New.
21553 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
21554 (c_parser_skip_to_end_of_parameter): Likewise.
21555 (c_parser_skip_to_end_of_block_or_statement): Likewise.
21556 (c_parser_skip_to_pragma_eol): New.
21557 (c_parser_external_declaration): Handle CPP_PRAGMA.
21558 (c_parser_compound_statement_nostart): Likewise.
21559 (c_parser_statement_after_labels): Likewise.
21560 (c_parser_pragma): New.
21561 (pragma_lex): Likewise.
21562 (c_parser_pragma_pch_preprocess): New.
21563 (c_parser_new): Merge into ...
21564 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
21566 2006-01-04 Jeff Law <law@redhat.com>
21569 * tree-cfg.c (bsi_replace): Remove the original statement
21570 from the EH throw statement table.
21572 2006-01-04 Jakub Jelinek <jakub@redhat.com>
21574 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
21575 make the prototype extern "C" and add throw ().
21578 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
21579 and pos non-negative and pos + len <= 32.
21580 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
21581 drop pos + len < HOST_BITS_PER_WIDE_INT test.
21582 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
21585 * c-common.c (handle_vector_size_attribute): Reject zero vector size
21586 as well as sizes not multiple of component size.
21589 * function.c (instantiate_expr): New function.
21590 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
21591 walk its DECL_VALUE_EXPR with instantiate_expr.
21593 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
21594 DW_OP_deref{,_size} if address isn't going to be added.
21596 2006-01-04 Ben Elliston <bje@au.ibm.com>
21598 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
21599 * config/fp-bit.c: Likewise.
21601 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
21603 * dominance.c: Add comment about why we use DFS numbering
21606 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21607 Richard Henderson <rth@redhat.com>
21609 Merge from gomp-branch:
21610 * varasm.c (assemble_variable): Handle thread-local COMMON data.
21611 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
21613 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
21615 PR rtl-optimization/25578
21616 * combine.c (combine_simplify_rtx, force_to_mode): Don't
21617 pass a parameter to simplify_shift_const if changing ASHIFTRT
21620 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
21622 * builtins.c (get_builtin_sync_mem): New function.
21623 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
21624 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
21625 Call get_builtin_sync_mem to generate mem rtx.
21627 2006-01-03 Richard Guenther <rguenther@suse.de>
21630 * stmt.c (add_case_node): Make sure to clear overflow flags
21633 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21635 Merge from gomp-branch.
21636 * config/sparc/sync.md: New file.
21637 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
21638 UNSPECV_LDSTUB): New constants.
21639 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
21640 * config/sparc/predicates.md (memory_reg_operand): New predicate.
21641 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
21644 2006-01-03 Roger Sayle <roger@eyesopen.com>
21646 * combine.c (reg_subword_p): New predicate to test whether the
21647 destination of a set refers to a subword/piece of a register.
21648 (try_combine): Generalize the code to merge the setting of a
21649 pseudo to a constant followed by a set of a subword of that
21650 register to a constant.
21652 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
21654 * basic-block.h (control_flow_graph): Change the type of
21655 x_label_to_block_map to VEC(basic_block,gc) *.
21656 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
21657 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
21659 * tree-ssa-propagate.c (cfg_blocks): Change the type to
21660 VEC(basic_block,heap) *.
21661 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
21662 ssa_prop_fini): Adjust the uses of cfg_blocks.
21664 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
21666 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
21668 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
21669 hashing trees instead of a pointer hash.
21670 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
21671 compare for MEM_EXPR.
21673 PR rtl-optimization/25130
21674 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
21675 when comparing MEMs for GCSE
21677 2006-01-03 Ben Elliston <bje@au.ibm.com>
21679 * targhooks.h (default_decimal_float_supported_p): Declare.
21680 * targhooks.c (default_decimal_float_supported_p): Define.
21681 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
21682 `default_decimal_float_supported_p'.
21683 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
21685 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
21687 * combine.c (apply_distributive_law <SUBREG>): Check
21688 TRULY_NOOP_TRUNCATION.
21690 2006-01-02 Geoffrey Keating <geoffk@apple.com>
21692 * dwarf2out.c (have_switched_text_section): Delete.
21693 (have_multiple_function_sections): New.
21694 (have_location_lists): Make 'bool'.
21695 (add_AT_loc_list): Use 'true' not '1'.
21696 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
21697 (output_loc_list): Use have_multiple_function_sections.
21698 (output_ranges): Likewise.
21699 (dwarf2out_begin_function): Set have_multiple_function_sections if
21701 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
21702 Check function_section rather than DECL_SECTION_NAME.
21703 (dwarf2out_finish): Use have_multiple_function_sections.
21704 Don't clear have_location_lists.
21706 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
21707 Jan Hubicka <jh@suse.cz>
21709 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
21710 case of conditional jump jumping to the next instruction.
21711 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
21712 cases of conditional jump jumping to the next instruction.
21714 2006-01-02 Jan Hubicka <jh@suse.cz>
21716 * i386.c (*_cost): Add COSTS_N_INSNS.
21717 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
21719 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
21722 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
21724 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
21726 * config/arm/arm.c (all_fpus): Fix comment typo.
21727 * config/darwin.c: Likewise.
21728 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
21729 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
21730 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
21732 2006-01-01 David Edelsohn <edelsohn@gnu.org>
21734 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
21735 (rs6000_split_compare_and_swapqhi): New.
21736 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
21737 (sync_compare_and_swapqhi_internal): New.
21738 * config/rs6000/rs6000-protos.h: Declare.