1 2006-02-21 Richard Sandiford <richard@codesourcery.com>
3 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5 * doc/invoke.texi (-fshared-data): Delete.
6 * common.opt (fshared-data): Delete.
7 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
8 (assemble_static_space): Remove #if 0 code.
9 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11 * config/cris/cris.h: Remove FIXME.
13 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
15 * doc/sourcebuild.texi (Front End Directory): No more double-colon
18 2006-02-21 Jakub Jelinek <jakub@redhat.com>
21 * combine.c (simplify_shift_const_1): Disable nested shifts
22 optimization for vector shifts.
24 2006-02-20 Roger Sayle <roger@eyesopen.com>
26 PR tree-optimization/26361
27 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
28 of unsigned integer types.
30 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
32 * tree-chrec.c (eq_evolutions_p): New.
33 * tree-chrec.h (eq_evolutions_p): Declared.
34 * tree-data-ref.c: Fix formatting.
35 (datadep_stats, dependence_stats): New.
37 (print_direction_vector): New.
38 (dump_data_dependence_relation): Use print_direction_vector.
39 (object_analysis, create_data_ref): Handle COMPONENT_REF.
40 (compute_subscript_distance): Static.
41 (initialize_data_dependence_relation): Static. Get the number
42 of loops surrounding the references from the callers, and initialize
43 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
44 base_object_differ_p analyzers.
45 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
46 compute_overlap_steps_for_affine_1_2,
47 analyze_subscript_affine_affine): Count the classified dependences.
48 Print a message when a test failed.
49 (can_use_analyze_subscript_affine_affine): New.
50 (analyze_siv_subscript): Compute the data dependences on symbolic
51 scevs that verify can_use_analyze_subscript_affine_affine.
52 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
53 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
54 Handle symbolic scevs.
55 (analyze_overlapping_iterations): Let symbolic affine scevs to be
57 (subscript_dependence_tester): Moved...
58 (build_classic_dist_vector, build_classic_dir_vector): Don't use
59 lambda_vector_clear on newly allocated vectors. Get nb_loops from
60 DDR_SIZE_VECT instead of getting it in parameter.
61 (subscript_dependence_tester): ... here. Take as a parameter
62 loop_nest_depth. Call build_classic_dist_vector and
63 build_classic_dir_vector.
64 (compute_affine_dependence): Update subscript_dependence_tester
65 parameters. Update datadep_stats counters. Call
66 compute_subscript_distance.
67 (compute_self_dependence): Save the dist and dir vectors. Call
68 compute_subscript_distance.
69 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
70 (compute_all_dependences): Reorder parameters as they were before
71 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
72 compute_subscript_distance. Update the use of
73 compute_affine_dependence and initialize_data_dependence_relation.
74 (find_data_references_in_loop): Handle COMPONENT_REF.
75 (compute_data_dependences_for_loop): Initialize dependence_stats.
76 Don't call build_classic_dist_vector and build_classic_dir_vector.
77 Update the parameters of initialize_data_dependence_relation and
78 compute_all_dependences. Print the statistics from datadep_stats.
79 (analyze_all_data_dependences): Static. Not used until the pass for
80 checking the data dependences is contributed.
81 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
82 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
83 (initialize_data_dependence_relation, compute_affine_dependence,
84 analyze_all_data_dependences, compute_subscript_distance): Removed.
85 (print_direction_vector): New.
86 * lambda.h (gcd): ... here.
87 (lambda_vector_gcd): Moved here from gcd_vector.
88 * lambda-code.c (gcd, gcd_vector): Removed.
89 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
90 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
92 2006-02-20 Diego Novillo <dnovillo@redhat.com>
94 * ipa-type-escape.c: Tidy some comments and white space.
95 * tree-ssa-operands.c: Likewise.
97 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
100 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
101 (dump_decl_name): Do not walk the decl tree chains.
102 * tree-pass.h (TDF_CHAIN): Remove.
104 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
106 * Makefile.in (C): Remove
108 (.PHONY): Remove C and PROTO
110 2006-02-20 Roger Sayle <roger@eyesopen.com>
113 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
114 deprecated CHAR_TYPE tree code.
116 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
118 * configure.ac (target_list): Add install-info, dvi, html.
119 * configure: Regenerate.
121 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
122 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
123 treelang/Make-lang.in: Do not use double-colon rules.
125 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
127 * tree.h (struct tree_memory_tag): Add is_used_alone member.
128 (TMT_USED_ALONE): New macro.
129 * tree-pass.h (PROP_tmt_usage): New property.
130 (TODO_update_tmt_usage): New todo.
131 * tree-ssa-alias.c (updating_used_alone): New variable.
132 (recalculate_used_alone): New function.
133 (compute_may_aliases): Set updating_used_alone, call
134 recalculate_used_alone.
135 * tree-sra.c (pass_sra): Note that this pass destroys
136 PROP_tmt_usage, and add TODO_update_tmt_usage.
137 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
138 * tree-flow.h (updating_used_alone): Prototype.
139 (recalculate_used_alone): Ditto.
140 * passes.c (execute_todo): Add code to set updating_used_alone,
141 and call recalculate.
142 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
143 for clobber if used alone, and add assert to verify used_alone
146 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
148 * config/s390/s390.c (legitimize_pic_address): Assertions checking
149 for non tls symbols added.
150 (legitimize_address): Do nothing for PLUS expressions if one of the
151 addends is a tls symbol reference.
153 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
157 * Makefile.in (LDFLAGS): Define from autoconf substitution.
159 * Makefile.in (BOOTSTRAPPING): New.
160 (quickstrap): New definition if BOOTSTRAPPING=yes.
162 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
163 * configure.ac: Substitute all_selected_languages with the languages
164 that were configured. For all the other variables except
165 lang_specs_files, include all the languages in the tree.
166 * configure: Regenerate.
168 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
169 if there is one. Run the commands to run fixincludes in the same
172 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
173 * doc/install.texi: Document exact conventions for searching target tools.
174 Document --with-build-time-tools. Document toplevel bootstrap. Document
175 something more about building an Ada cross-compiler. Don't list GNU Make
176 requirements which affect all platforms.
178 2006-02-19 Roger Sayle <roger@eyesopen.com>
181 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
182 only equivalent if the have both the same mode and precision.
184 2006-02-20 Ben Elliston <bje@au.ibm.com>
186 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
188 2006-02-19 Roger Sayle <roger@eyesopen.com>
189 Steven Bosscher <stevenb.gcc@gmail.com>
191 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
192 constant pool references to identify stack mode constants.
193 * rtlanal.c (constant_pool_constant_p): New predicate to check
194 whether operand is a floating point constant in the pool.
195 * rtl.h (constant_pool_constant_p): Prototype here.
196 * loop.c (scan_loop): Avoid hoisting constants from the constant
197 pool on STACK_REGS targets.
198 (load_mems): Likewise.
199 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
200 loads into x87 registers expensive in terms of register pressure.
202 2006-02-19 Roger Sayle <roger@eyesopen.com>
204 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
205 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
207 2006-02-19 David Edelsohn <edelsohn@gnu.org>
209 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
210 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
212 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
214 * doc/invoke.texi: Document -fipa-pta.
215 * common.opt: Add ipa-pta option.
216 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
217 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
218 (do_ds_constraint): Ditto.
219 (get_constraint_for): Only add to referenced_vars if
220 referenced_vars exists.
221 (insert_into_field_list): Rewrite to do this unsorted.
222 (insert_into_field_list_sorted): Rename old insert_into_field_list
224 (create_function_info_for): Use insert_into_field_list_sorted.
225 (create_variable_info_for): Rewrite so it uses unsorted version,
226 since the field list is sorted.
227 (intra_create_variable_infos): Only add to referenced_vars if
228 referenced_vars exists.
229 (ipa_pta_execute): Init heapvars, and delete when done.
230 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
232 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
234 * doc/install.texi: Add missing `@samp'.
236 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
238 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
241 2006-02-18 Mark Wielaard <mark@klomp.org>
243 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
244 who added new 4.1 features, bug fixes and integration support.
246 2006-02-18 David Edelsohn <edelsohn@gnu.org>
249 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
252 2006-02-18 Richard Sandiford <richard@codesourcery.com>
254 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
255 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
256 (copy_insn_1): Likewise. Don't copy each field individually.
258 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
260 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
261 * rtl.c (rtx_size): Rename variable to...
262 (rtx_code_size): ...this.
263 (rtx_size): New function.
264 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
265 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
267 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
268 * rtl.h (rtx_code_size): New variable.
269 (rtx_size): Change from a variable to a function.
270 (RTX_SIZE): Rename to...
271 (RTX_CODE_SIZE): ...this.
274 PR tree-optimization/17106
275 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
276 (Anchored Addresses): New section.
277 * doc/invoke.texi (-fsection-anchors): Document.
278 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
279 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
280 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
281 * hooks.c (hook_bool_mode_rtx_false): New function.
282 * hooks.h (hook_bool_mode_rtx_false): Declare.
283 * gengtype.c (create_optional_field): New function.
284 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
285 SYMBOL_REF_IN_BLOCK_P is true.
286 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
287 (min_anchor_offset, max_anchor_offset): Likewise.
288 (use_anchors_for_symbol_p): New hook.
289 * toplev.c (compile_file): Call output_object_blocks.
290 (target_supports_section_anchors_p): New function.
291 (process_options): Check that -fsection-anchors is only used on
292 targets that support it and when -funit-at-a-time is in effect.
293 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
294 if the decl doesn't have one.
295 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
296 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
297 of force_const_mem through use_anchored_address.
298 (expand_expr_constant): New function.
299 (expand_expr_addr_expr_1): Call it. Use the same modifier when
300 calling expand_expr for INDIRECT_REF.
301 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
302 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
303 * expr.h (use_anchored_address): Declare.
304 * loop-unroll.c: Don't declare rtx vectors here.
305 * explow.c: Include output.h.
306 (validize_mem): Call use_anchored_address.
307 (use_anchored_address): New function.
308 * common.opt (-fsection-anchors): New switch.
309 * varasm.c (object_block_htab, anchor_labelno): New variables.
310 (hash_section, object_block_entry_eq, object_block_entry_hash)
311 (use_object_blocks_p, get_block_for_section, create_block_symbol)
312 (use_blocks_for_decl_p, change_symbol_section): New functions.
313 (get_variable_section): New function, split out from assemble_variable.
314 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
315 use_blocks_for_decl_p say so. Use change_symbol_section if the
316 symbol has already been created.
317 (assemble_variable_contents): New function, split out from...
318 (assemble_variable): ...here. Don't output any code for
319 block symbols; just pass them to place_block_symbol.
320 Use get_variable_section and assemble_variable_contents.
321 (get_constant_alignment, get_constant_section, get_constant_size): New
322 functions, split from output_constant_def_contents.
323 (build_constant_desc): Create a block symbol if use_object_blocks_p
324 says so. Or into SYMBOL_REF_FLAGS.
325 (assemble_constant_contents): New function, split from...
326 (output_constant_def_contents): ...here. Don't output any code
327 for block symbols; just pass them to place_section_symbol.
328 Use get_constant_section and get_constant_alignment.
329 (force_const_mem): Create a block symbol if use_object_blocks_p and
330 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
331 (output_constant_pool_1): Add an explicit alignment argument.
332 Don't switch sections here.
333 (output_constant_pool): Adjust call to output_constant_pool_1.
334 Switch sections here instead. Don't output anything for block symbols;
335 just pass them to place_block_symbol.
336 (init_varasm_once): Initialize object_block_htab.
337 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
338 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
339 (place_block_symbol, get_section_anchor, output_object_block)
340 (output_object_block_htab, output_object_blocks): New functions.
341 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
342 (TARGET_ASM_OUT): Include it.
343 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
344 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
345 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
346 (TARGET_INITIALIZER): Include them.
347 * rtl.c (rtl_check_failed_block_symbol): New function.
348 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
349 (block_symbol, object_block): New structures.
350 (rtx_def): Add a block_symbol field to the union.
351 (BLOCK_SYMBOL_CHECK): New macro.
352 (rtl_check_failed_block_symbol): Declare.
353 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
354 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
355 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
356 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
357 * output.h (output_section_symbols): Declare.
358 (object_block): Name structure.
359 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
360 (default_use_anchors_for_symbol_p): Declare.
361 * Makefile.in (RTL_BASE_H): Add vec.h.
362 (explow.o): Depend on output.h.
363 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
364 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
365 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
366 (rs6000_use_blocks_for_constant_p): New function.
368 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
370 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
372 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
375 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
378 2006-02-18 Diego Novillo <dnovillo@redhat.com>
380 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
384 2006-02-18 Jakub Jelinek <jakub@redhat.com>
387 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
388 instead of DECL_REGISTER.
390 2006-02-18 Olivier Hainque <hainque@adacore.com>
393 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
395 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
398 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
399 * opth-gen.awk: Handle Var and InverseMask together.
400 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
401 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
402 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
403 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
405 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
406 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
407 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
408 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
409 LINUX_DYNAMIC_LINKER): Define.
410 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
411 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
413 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
414 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
415 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
416 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
417 (TARGET_C99_FUNCTIONS): Don't define.
418 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
419 GLIBC_DYNAMIC_LINKER.
420 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
421 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
422 GLIBC_DYNAMIC_LINKER64): Define.
423 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
424 LINUX_DYNAMIC_LINKER64.
425 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
426 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
427 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
428 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
429 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
430 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
431 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
432 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
433 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
434 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
435 and LINUX_DYNAMIC_LINKER32.
436 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
437 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
438 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
439 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
440 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
442 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
443 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
444 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
445 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
446 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
447 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
448 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
449 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
450 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
451 LINUX_DYNAMIC_LINKER): Define.
452 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
453 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
454 GLIBC_DYNAMIC_LINKER64): Define.
455 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
456 LINUX_DYNAMIC_LINKER64.
457 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
458 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
459 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
460 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
461 LINUX_DYNAMIC_LINKER): Define.
462 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
463 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
464 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
465 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
466 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
467 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
468 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
469 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
470 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
471 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
472 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
473 * doc/invoke.texi (-muclibc): Remove caveat about supported
476 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
478 * doc/cpp.texi (__TIMESTAMP__): Document.
480 2006-02-17 Roger Sayle <roger@eyesopen.com>
483 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
484 C is one less than the width of X (and related transformations).
485 * simplify_rtx.c (simplify_unary_operation_1): Transform
486 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
487 depending on STORE_FLAG_VALUE, were C is one less then the
490 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
492 Fix PR tree-optimization/26341
493 * tree-ssa-operands.c (add_virtual_operand): Remove assert
494 about NAME_MEMORY_TAG's.
496 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
499 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
500 with hardware float support, and software float support. Add fcpy
501 alternative to hardware patterns. Add alternatives to copy between
502 general and floating-point registers to the 32-bit pattern.
503 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
504 secondary reload to load a QI or HI mode constant into a floating
506 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
507 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
509 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
512 * config/rs6000/darwin.md (load_macho_picbase_si): Add
514 (load_macho_picbase_di): Likewise.
516 2006-02-16 Jeff Law <law@redhat.com>
518 * tree-vrp.c (set_value_range_to_nonnegative): New function.
519 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
520 (ssa_name_nonzero_p): Likewise.
521 (get_value_range): Return NULL if VRP is not running.
522 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
523 VRP routines do not discover a range.
524 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
525 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
526 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
527 (tree_expr_nonnegative_p): Similarly.
528 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
529 (restore_nonzero_vars_to_original_value): Remove.
530 (unsafe_associative_fp_binop): Remove.
531 (tree_ssa_dominator_optimize): Remove initialization and
532 finalization of nonzero_vars and nonzero_vars_stack.
533 (dom_opt_initialize_block): No longer push marker on
535 (dom_opt_finalize_block): No longer call
536 restore_nonzero_vars_to_original_value.
537 (record_equivalences_from_phis): No longer look for
538 nonzero PHI arguments.
539 (cprop_into_successor_phis): No longer propagate nonzero
540 property into PHI arguments. Lose unused argument. Caller
542 (record_equivalences_from_stmt): No longer record nonzero
543 values for SSA_NAMEs.
544 (lookup_avail_expr): No longer use nonzero_vars.
546 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
547 for sizetype when sizetype is unsigned.
549 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
551 PR rtl-optimization/25603
552 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
553 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
554 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
555 with new meaning of SETS.
557 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
562 * config/linux.opt: New file.
563 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
564 LINUX_DYNAMIC_LINKER): Define.
565 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
566 * config.gcc (*-*-linux*): Define extra_options.
567 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
568 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
569 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
570 GLIBC_DYNAMIC_LINKER.
571 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
572 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
573 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
574 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
575 * doc/invoke.texi (GNU/Linux Options): New section.
577 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
579 * config/sparc/sparc.md (setjmp): Rewrite.
581 (setjmp_64): Likewise.
583 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
585 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
588 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
590 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
593 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
595 PR rtl-optimization/26296
596 * Makefile.in (loop-invariant.c): Add except.h dependency.
597 * loop-invariant.c: Include except.h.
598 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
600 2005-02-16 Paul Brook <paul@codesourcery.com>
602 * reload1.c (emit_reload_insns): Invalidate dead input registers used
605 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
607 PR rtl-optimization/25636
608 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
609 when deciding whether an insn is an initializing insn.
611 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
613 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
614 (tree_code_size): Ditto.
615 * tree.h (struct tree_memory_tag): Remove parent_var.
616 (struct tree_struct_field_tag): New.
619 (union tree_node): Add sft member.
620 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
622 (create_sft): Add size and offset argument, set SFT_OFFSET and
624 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
625 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
626 * tree-flow-inline.h (get_subvar_at): Update for
628 (var_can_have_subvars): Ditto.
629 (overlap_subvar): Ditto.
630 * print-tree.c (print_node): Print out interesting things for
632 * tree-flow.h (struct subvar): Remove offset and size members.
633 * tree-ssa-operands.c (get_expr_operands): Update for
634 get_indirect_ref_operands changes.
635 (get_indirect_ref_operands): Call add_virtual_operand instead of
636 add_stmt_operand. Only recurse on base var if requested.
637 (access_can_touch_variable): New function.
638 (add_stmt_operand): Split virtual operand handling into ...
639 (add_virtual_operand): Here. Add offset, size, and for_clobber
640 arguments. Prune alias sets.
641 (add_call_clobber_ops): Call add_virtual_operand.
643 2006-02-15 Jakub Jelinek <jakub@redhat.com>
646 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
648 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
649 than TREE_CODE as index into omp_clause_num_ops array.
651 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
653 PR rtl-optimization/26184
654 * modulo-sched.c (generate_reg_moves): Free bitmap vector
656 * modulo-sched.c (sms_schedule): Free g_arr pointer.
657 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
658 must_precede, must_follow and tobe_scheduled.
661 * opts.c (common_handle_option): Free new_option pointer.
662 * df-core.c (df_analyze): Free postorder pointer.
664 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
666 * Makefile.in: Fix the examples about the use of stamps
668 2006-02-15 Michael Matz <matz@suse.de>
672 * stor-layout.c (layout_decl): Zero-width bitfields aren't
673 influenced by maximum_field_alignment or DECL_PACKED.
674 (update_alignment_for_field): Ditto.
675 (place_field): Ditto.
676 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
679 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
681 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
682 (debug_flow_info): Pass it.
683 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
684 * bb-reorder.c (reorder_basic_blocks): Likewise.
685 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
686 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
687 * flow.c (life_analysis, recompute_reg_usage): Likewise.
688 * gcse.c (gcse_main, bypass_jumps): Likewise.
689 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
690 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
691 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
692 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
693 * rtl.h (dump_flow_info): Adjust prototype.
694 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
695 * var-tracking.c (variable_tracking_main): Likewise.
696 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
697 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
700 2006-02-15 Marcin Dalecki <martin@dalecki.de>
702 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
705 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
707 PR tree-optimization/26209
708 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
709 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
711 * tree-cfg.c (replace_uses_by): Do not alter cfg.
713 2006-02-14 Roger Sayle <roger@eyesopen.com>
716 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
717 (X,Y) and the corresponding symmetry related transformations.
718 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
719 (X,Y) and its symmetry related transformations.
721 2006-02-14 Roger Sayle <roger@eyesopen.com>
723 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
726 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
728 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
730 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
733 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
734 support COMDAT group.
735 * configure: Regenerate.
737 2006-02-14 Roger Sayle <roger@eyesopen.com>
742 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
744 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
746 Fix PR tree-optimization/26260
748 * doc/invoke.texi (max-fields-for-field-sensitive): Document
750 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
751 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
752 * tree-ssa-structalias.c (create_variable_info_for): Use
753 MAX_FIELDS_FOR_FIELD_SENSITIVE.
755 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
757 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
759 * tree-ssa-loop-niter.c (number_of_iterations_ne,
760 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
761 of the ending condition.
762 * tree-ssa-loop-manip.c: Include params.h.
763 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
764 tree_unroll_loop): New functions.
765 * tree-pass.h (pass_loop_prefetch): Declare.
766 * loop.c (rest_of_handle_loop_optimize): Test for
767 -fprefetch-loop-arrays-rtl.
768 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
769 * timevar.def (TV_TREE_PREFETCH): New timevar.
770 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
771 pass_loop_prefetch): New.
772 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
773 (cleanup_tree_cfg_loop): Call scev_reset.
774 * common.opt (fprefetch-loop-arrays-rtl): Add.
775 * tree-ssa-loop-prefetch.c: New file.
776 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
777 (new_temp_expr_table): Initialize expr_vars.
778 (free_temp_expr_table): Cleanup expr_vars.
779 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
780 expressions from being merged into one.
781 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
782 (struct tree_niter_desc): Add control, bound and cmp fields.
783 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
785 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
786 (tree-cfgcleanup.o): Add SCEV_H dependency.
787 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
788 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
790 2006-02-14 Richard Guenther <rguenther@suse.de>
792 PR tree-optimization/26258
793 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
794 in PHI argument processing.
796 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
798 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
799 new expression in the requested machine mode.
801 2006-02-13 Roger Sayle <roger@eyesopen.com>
803 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
804 directly, instead let do_compare_rtx_and_jump handle this for us.
805 * expr.c (expand_expr_real_1): Likewise.
806 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
807 before do_jump_by_parts_greater.
808 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
809 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
811 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
813 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
815 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
817 PR rtl-optimization/26235
818 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
819 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
822 2006-02-13 Jeff Law <law@redhat.com>
824 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
827 2006-02-13 Jakub Jelinek <jakub@redhat.com>
830 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
831 twice if decl is a builtin. When trying again, call get_callee_fndecl
832 first to verify it is still a builtin.
834 2006-02-13 Geoffrey Keating <geoffk@apple.com>
836 * dwarf2out.c (base_type_die): Don't add AT_name here.
837 (subrange_type_die): Don't add AT_name here.
838 (modified_type_die): Rearrange code flow. Do add AT_name here.
840 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
842 PR rtl-optimization/26247
843 PR rtl-optimization/26248
844 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
846 2006-02-13 Richard Sandiford <richard@codesourcery.com>
848 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
849 * config/fixtfdi.c: Likewise.
850 * config/fixunstfdi.c: Likewise.
851 * config/floatditf.c: Likewise.
853 2006-02-13 Roger Sayle <roger@eyesopen.com>
856 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
857 into (X,C2) if C1 is a subset of the bits of C2. Transform
858 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
860 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
862 2006-02-13 Josh Conner <jconner@apple.com>
865 * varasm.c (function_section): Check for section name before
866 calling select_section on targets that define
867 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
868 unlikely_text_section instead of hot_function_section if
869 first_function_block_is_cold.
871 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
874 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
876 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
878 PR rtl-optimization/26222
879 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
880 after tree->rtl expansion.
881 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
882 before passing it to emit_move_insn.
884 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
886 * doc/invoke.texi (-Write-strings): Document that it is enabled by
888 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
889 Clarify documentation.
890 * c-common.h (warn_write_strings): Remove.
891 * c-common.c (warn_write_strings): Likewise.
892 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
895 2006-02-12 Roger Sayle <roger@eyesopen.com>
898 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
899 (do_jump_parts_zero_rtx): New function renamed from
900 do_jump_parts_equality_rtx. Made static. Add a mode argument.
901 (do_jump_parts_equality_rtx): New function split out from
902 do_jump_parts_equality. Old implementation renamed as above.
903 Call do_jump_parts_zero_rtx if either operand is zero.
904 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
905 do all of the heavy lifting.
906 (do_compare_rtx_and_jump): Handle multi-word comparisons by
907 calling either do_jump_by_parts_greater_rtx or
908 do_jump_by_parts_equality_rtx.
909 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
910 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
911 moved to do_compare_rtx_and_jump, call it directly.
912 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
913 mode argument. Call do_compare_rtx_and_jump.
914 (emit_case_nodes): Update calls to do_jump_if_equal.
916 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
918 PR rtl-optimization/26225
919 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
921 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
923 PR rtl-optimization/26232
924 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
926 2006-02-11 Jason Merrill <jason@redhat.com>
929 * tree-inline.c (declare_return_variable): Just don't use the
930 modify target if it's a gimple complex reg and the return slot
933 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
935 * doc/contrib.texi: Update my entry.
937 2006-02-10 Geoffrey Keating <geoffk@apple.com>
939 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
941 2006-02-10 Diego Novillo <dnovillo@redhat.com>
943 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
946 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
948 * doc/invoke.texi (-floop-optimize2): Removed.
949 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
950 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
951 Test flag_branch_on_count_reg only if HAVE_doloop_end.
952 * common.opt (floop-optimize2): Removed.
953 (fmove-loop-invariants): Enabled by default.
955 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
957 * tree-if-conv.c (combine_blocks): Free the result of
960 2006-02-10 Jeff Law <law@redhat.com>
962 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
964 PR tree-optimization/26213
965 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
966 loop trying to follow SSA_NAME_VALUE chains.
968 2006-02-10 Richard Guenther <rguenther@suse.de>
970 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
971 deal with structures that end in implicitly variable sized arrays.
973 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
975 PR rtl-optimization/24762
976 * df-scan.c (df_bb_refs_record): Record correct registers defined on
979 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
981 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
982 (struct ivopts_data): Add regs_used field.
983 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
984 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
985 instead of loop_data->regs_used;
986 (free_loop_data): Do not free aux fields for loops.
987 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
988 and tree_ssa_iv_optimize_finalize.
990 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
992 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
994 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
997 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
998 computing the effective result type.
1000 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1003 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
1004 (tree_overlaps_hard_reg_set): Declare.
1005 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
1006 type and signature to match function type expected by walk_tree.
1007 (tree_overlaps_hard_reg_set): New function.
1008 (decl_conflicts_with_clobbers_p): Rename to:
1009 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
1010 Use tree_overlaps_hard_reg_set. Changed caller.
1011 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
1012 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
1013 * cris.c (cris_md_asm_clobbers): Likewise.
1015 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
1017 * reload1.c (emit_input_reload_insns): Delete code that tries to
1018 inherit using find_equiv_reg.
1020 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
1022 * c-common.h (flag_const_strings): Don't declare.
1023 * c-common.c (flag_const_strings): Remove.
1024 * c.opt (fconst_strings): Remove.
1025 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
1026 <OPT_Wwrite_strings>: Don't set flag_const_strings.
1027 (c_common_init_options): Don't set flag_const_strings.
1028 * doc/invoke.texi (-fno-const-strings): Remove documentation.
1030 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
1032 * arm.md (tlobits_cbranch): New pattern.
1033 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
1034 testing a single bit.
1036 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1039 * tree-ssa-pre.c (create_component_ref_by_pieces):
1040 Handle RETURN_DECL like VAR_DECL.
1042 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1045 * fold-const.c (fold_indirect_ref_1): Fold
1046 "*(foo *)&complexfoo" to "__real__ complexfoo"
1047 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
1049 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1051 * tree-flow-inline.h (var_can_have_subvars):
1052 Volatile variables should not have subvariables.
1054 2006-02-09 Diego Novillo <dnovillo@redhat.com>
1057 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
1058 multiplying unsigned values.
1061 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1063 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
1065 2006-02-08 Jason Merrill <jason@redhat.com>
1068 * tree.def: Elaborate on difference from MODIFY_EXPR.
1069 * doc/c-tree.texi (INIT_EXPR): Likewise.
1070 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
1071 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
1072 (gimplify_target_expr): Likewise.
1073 (gimplify_cond_expr): Remove target handling.
1074 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
1075 (gimplify_expr): Clobber it here.
1076 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
1077 Do return slot optimization if we have an INIT_EXPR.
1080 * tree-inline.c (declare_return_variable): Also clear
1081 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
1084 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
1087 * gimplify.c (gimplify_one_sizepos): Fix typo.
1089 2006-02-08 Jeff Law <law@redhat.com>
1091 PR tree-optimization/21417
1092 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
1093 across a backedge if the control statement at the end of the
1094 block is data dependent on other statements in the same block.
1095 (record_temporary_equivalences_from_stmts): Remove over-conservative
1096 test for threading across backedges.
1098 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
1099 control statement, handle all three special cases in the same
1100 manner as they all have the same desired solution. No longer
1101 special case edge flag updating when the post dominator is
1104 2006-02-08 Roger Sayle <roger@eyesopen.com>
1106 * tree.def (CHAR_TYPE): Remove.
1107 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
1108 * dwarf2out.c (base_type_die, is_base_type): Likewise.
1109 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
1110 (gen_string_type_die): Delete unreachable function.
1112 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
1113 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
1114 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
1115 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
1116 * builtins.c (type_to_class): Likewise.
1117 * fold-const.c (fold_convert, build_range_check,
1118 merge_ranges): Likewise.
1119 * expr.c (count_type_elements): Likewise.
1120 * c-pretty-print.c (pp_c_type_specifier): Likewise.
1121 * stor-layout.c (layout_type): Likewise.
1122 * ipa-type-escape.c (type_to_consider): Likewise.
1123 * gimplify.c (omp_firstprivatize_type_sizes,
1124 gimplify_type_sizes): Likewise.
1125 * explow.c (promote_mode): Likewise.
1126 * tree-sra.c (is_sra_scalar_type): Likewise.
1127 * varasm.c (output_constant): Likewise.
1128 * tree-inline.c (remap_type_1): Likewise.
1129 * convert.c (convert_to_pointer, convert_to_real,
1130 convert_to_integer, convert_to_complex): Likewise.
1132 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
1134 * df-scan.c (df_def_record_1): A set destination may
1135 be a parallel regardless of mode.
1137 2006-02-08 Roger Sayle <roger@eyesopen.com>
1140 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
1141 * config/mips/_tilib.c: Remove.
1142 * config/fixtfdi.c: New libgcc source file.
1143 * config/fixunstfdi.c: New source file.
1144 * config/floatditf.c: New source file.
1145 * config/floatunditf.c: New souce file.
1146 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1147 files above instead of config/mips/_tilib.c.
1148 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1150 2006-02-08 Jeff Law <law@redhat.com>
1152 PR tree-optimization/26169
1153 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
1156 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
1158 * df.h (DF_REG_SIZE): Return the length of the initialized
1161 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
1163 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
1164 __muldf3): Return a correctly signed zero.
1166 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
1168 * passes.c (register_one_dump_file): Accept the current properties
1169 instead of pass number. Adjust call to dump_register. Remove
1171 (register_dump_files): Now a wrapper around...
1172 (register_dump_files_1): ... this one. Do not modify the pass
1174 (next_pass_1): Cosmetic fix.
1175 (execute_todo): Keep second parameter only. Use curr_properties
1176 instead of fetching it from the pass structure. Check and set
1178 (execute_one_pass): Handle TODO_set_props. Use curr_properties
1179 instead of fetching it from the pass structure. Fix calls to
1180 execute_todo. Update curr_properties and initialize .vcg RTL dump
1181 after running the pass. Reset last_verified.
1182 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
1184 (FIRST_AUTO_NUMBERED_DUMP): New.
1185 (dump_register): Remove "num" parameter, assign it within the
1187 (get_dump_file_name): Modify template for dumps.
1188 * tree-dump.h (dump_register): Adjust prototype.
1189 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
1190 (PROP_trees): Add PROP_gimple_lomp.
1191 (TODO_set_props): New.
1192 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
1193 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
1194 * cfgexpand.c (pass_expand): Destroy PROP_trees.
1196 2006-02-08 Jakub Jelinek <jakub@redhat.com>
1198 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
1199 (sparc64-*-linux*): Likewise.
1200 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
1201 * config/sparc/t-linux: New file.
1202 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
1203 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
1204 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
1205 -m32 -mlong-double-128.
1207 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
1208 * config/alpha/t-linux: New file.
1209 * config/alpha/libgcc-alpha-ldbl.ver: New file.
1211 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
1212 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
1213 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
1214 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
1215 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
1216 (CPP_ARCH32_SPEC): Remove.
1218 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
1220 PR tree-optimization/26145
1221 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
1224 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1227 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
1228 >= 240000 when generating code for SOM runtime.
1229 (output_indirect_call): Don't use "b,l" instruction for indirect calls
1230 to $$dyncall when generating code for SOM runtime..
1232 2006-02-07 Dirk Mueller <dmueller@suse.com>
1235 * doc/invoke.texi (-Wsequence-point): Update documentation
1236 that -Wsequence-point is implemented for C++ as well.
1238 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1240 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
1241 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
1242 (LIB_SPEC): Likewise.
1243 * doc/invoke.texi (SPARC options): Document -pthread.
1245 2006-02-07 Geoffrey Keating <geoffk@apple.com>
1247 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
1250 2006-02-07 Roger Sayle <roger@eyesopen.com>
1252 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
1253 Correct comment describing BOOLEAN_TYPE.
1255 2006-02-07 Dirk Mueller <dmueller@suse.com>
1257 * c.opt: C++ frontend supports -Wdiv-by-zero.
1258 * c-opts.c (c_common_handle_option): Remove dead case.
1260 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1262 * configure.ac (TLS assembler check): Do not enable TLS by
1263 default on SPARC/Solaris before version 10.
1264 * configure: Regenerate.
1266 2006-02-07 David Edelsohn <edelsohn@gnu.org>
1268 * doc/invoke.texi (xl-compat): Document conversion and support
1271 2006-02-07 Jeff Law <law@redhat.com>
1273 * tree-vrp.c (find_conditional_asserts): Update comments.
1274 (simplify_stmt_for_jump_threading): New.
1275 (identify_jump_threads, finalize_jump_threads): New.
1276 (vrp_finalize): Call identify_jump_threads.
1277 (execute_vrp): Call finalize_jump_threads.
1278 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
1279 (vrp_element, vrp_data, vrp_element_p): Remove.
1280 (vrp_hash_elt, vrp_variables_stack): Remove.
1281 (vrp_hash, vrp_eq, record_range): Remove.
1282 (simplify_cond_and_lookup_avail_expr): Remove.
1283 (extract_range_from_cond): Remove.
1284 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
1285 (simplify_stmt_for_jump_threading): New.
1286 (dom_thread_across_edge): New wrapper.
1287 (tree_ssa_dominator_optimize): No longer initialize or
1288 finalize any of the VRP datastructures. Remove iteration
1289 step and simplify as a result of removal of iteration step.
1290 (pass_dominator): Perform a cfg cleanup after DOM.
1291 (dom_opt_finalize_block): Use the new common routines
1292 for threading jumps. Simplify stack management slightly.
1293 No longer need to unwind VRP state.
1294 (record_equivalences_from_incoming_edge): No longer record
1296 (eliminate_redundant_computations): No longer call
1297 simplify_cond_and_lookup_avail_expr.
1298 * tree-flow.h (potentially_threadable_block): Prototype.
1299 (thread_across_edge): Likewise.
1300 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
1301 (tree-ssa-threadedge.o): Add dependencies.
1302 * tree-ssa-threadedge.c: New file.
1303 * passes.c (init_optimization_passes): Merge PHIs before
1304 calling VRP. Run VRP again late in the SSA optimization pipeline.
1306 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1308 * df-core.c (df_set_blocks): Do not dereference function pointers.
1309 (df_finish1): Likewise.
1310 (df_hybrid_search_forward): Likewise.
1311 (df_hybrid_search_backward): Likewise.
1312 (df_iterative_dataflow): Likewise.
1313 (df_analyze_problem): Likewise.
1314 (df_compact_blocks): Likewise.
1315 (df_dump): Likewise.
1316 * df-scan.c (df_rescan_blocks): Likewise.
1317 (df_record_entry_block_defs): Likewise.
1319 * genconditions.c (write_conditions): Guard the definition of
1320 'insn_conditions' with the check on GCC version.
1321 (write_writer): Guard the traversal 'insn_conditions' with
1322 the check on GCC version.
1324 2006-02-07 Richard Guenther <rguenther@suse.de>
1328 2006-01-30 Richard Guenther <rguenther@suse.de>
1330 * gimplify.c (gimplify_target_expr): Handle easy cases
1331 without creating a temporary.
1333 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
1335 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
1336 use of float in probability computations. Use edge probabilities
1337 in place of statically computed probabilities.
1338 (min_spec_prob): New static variable.
1339 (schedule_insns): Initialize it.
1340 (GET_SRC_PROB): Removed.
1341 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
1343 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
1346 * config/ia64/unwind-ia64.c: Revert last change.
1347 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
1348 (INCOMING_FRAME_SP_OFFSET): Define.
1350 2006-02-06 Roger Sayle <roger@eyesopen.com>
1352 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
1354 2006-02-07 Ben Elliston <bje@au.ibm.com>
1356 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
1357 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
1358 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
1359 (ix86_return_in_memory): Handle TDmode.
1360 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
1361 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
1363 2006-02-06 Richard Sandiford <richard@codesourcery.com>
1365 * reorg.c (dbr_schedule): Use dump_file instead of file.
1367 2006-02-06 Steve Ellcey <sje@cup.hp.com>
1370 * config/ia64/predicates.md (extr_len_operand): New predicate.
1371 * config/ia64/ia64.md (extv): Tighten constraints.
1373 (*tbit_and_2): Ditto.
1374 (*tbit_and_3): Ditto.
1375 (*tbit_or_2): Ditto.
1376 (*tbit_or_3): Ditto.
1380 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
1383 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
1385 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
1387 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
1388 loop_optimizer_init and loop_optimizer_finalize
1389 * tree-ssa-sink.c (execute_sink_code): Ditto.
1390 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1391 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
1392 tree_ssa_loop_done): Ditto.
1393 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
1394 * sched-ebb.c: Include output.h.
1395 (schedule_ebbs): Do not use dump argument.
1396 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
1397 * loop.c (loop_dump_stream): Removed.
1398 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
1400 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
1401 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
1402 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
1403 loop_iterations, strength_reduce, record_biv, record_giv,
1404 final_giv_value, check_final_value, check_ext_dependent_givs,
1405 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
1406 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
1407 dump_file instead of loop_dump_stream.
1408 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
1410 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
1412 * flow.c (life_analysis, rest_of_handle_life): Ditto.
1413 * haifa-sched.c: Include output.h
1414 (schedule_insns, sched_init): Do not use dump argument.
1415 * mode-switching.c (optimize_mode_switching): Ditto.
1416 * modulo-sched.c (stats_file): Removed.
1417 (print_node_sched_params): Do not call argument dump_file.
1418 (sms_schedule_by_order, loop_canon_p, sms_schedule,
1419 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
1421 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
1423 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
1424 rtl_loop_init, rtl_loop_done): Ditto.
1425 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
1426 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
1428 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
1429 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
1430 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
1431 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
1432 * emit-rtl.c (renumber_insns): Ditto.
1433 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
1434 expand_gimple_basic_block, tree_expand_cfg): Ditto.
1435 * regclass.c (regclass): Ditto.
1436 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
1437 remove_ssa_form, rewrite_out_of_ssa): Ditto.
1438 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
1439 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
1441 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
1442 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
1444 * gcse.c (gcse_file, debug_stderr): Removed.
1445 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
1446 rest_of_handle_gcse): Do not use dump argument.
1447 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
1448 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
1449 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
1450 compute_code_hoist_vbeinout, compute_code_hoist_data,
1451 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
1452 compute_store_table, build_store_vectors, insert_insn_start_bb,
1453 insert_store, remove_reachable_equiv_notes, replace_store_insn,
1454 store_motion): Use dump_file instead of gcse_file.
1455 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
1456 * profile.c (profile_dump_file): Removed.
1457 (branch_prob): Use dump_file instead of profile_dump_file.
1458 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
1460 * tree-ssa-copy.c (dump_copy_of): Ditto.
1461 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
1462 dump file to life_analysis.
1463 * bt-load.c (branch_target_load_optimize): Ditto.
1464 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
1466 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
1467 regclass, dbr_schedule): Declaration changed.
1468 * sched-int.h (sched_init): Declaration changed.
1469 * tree-profile.c (tree_profile_dump_file): Removed.
1470 (tree_profile_hooks): Removed profile_dump_file hook.
1471 * rtl-profile (rtl_profile_dump_file): Removed.
1472 (rtl_profile_hooks): emoved profile_dump_file hook.
1473 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
1475 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
1476 * tree-cfg.c (build_tree_cfg): Ditto.
1477 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
1478 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
1479 Declaration changed.
1480 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
1481 life_analysis and schedule_insns.
1482 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
1484 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
1486 * config/mips/mips.c (mips_reorg): Ditto.
1487 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
1490 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
1492 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1493 (s390_mangle_fundamental_type): New.
1494 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1497 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1498 (alpha_mangle_fundamental_type): New.
1499 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1502 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1504 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1506 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1507 (sparc_mangle_fundamental_type): New.
1509 2006-02-06 Jakub Jelinek <jakub@redhat.com>
1511 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
1512 (s390x-*-linux*): Likewise.
1513 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
1514 * config/s390/t-linux: New file.
1516 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1518 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
1519 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
1521 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
1523 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
1524 (ANTIC_SAFE_LOADS): New macro.
1525 (find_or_generate_expression): Add prototype.
1526 (set_contains_value): Allow null set for sake of not always having
1527 to allocate ANTIC_SAFE_LOADS.
1528 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
1529 Allow COMPONENT_REF too.
1530 (valid_in_set): Allow COMPONENT_REF.
1531 Check ANTIC_SAFE_LOADS too.
1532 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
1533 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
1535 (can_PRE_operation): Add COMPONENT_REF.
1536 (create_component_ref_by_pieces): New function.
1537 (create_expression_by_pieces): Use create_component_ref_by_pieces.
1538 (insert_aux): Move AGGREGATE_TYPE_P check here.
1539 (compute_avail): Set bb local stmt uids.
1540 (pass_pre): Use TODO_update_ssa_only_virtuals.
1542 2006-02-06 Ben Elliston <bje@au.ibm.com>
1544 * configure.ac: Unconditionally disable decimal float by default.
1545 * configure: Regenerate.
1547 2006-02-06 Ben Elliston <bje@au.ibm.com>
1549 * read-rtl.c (read_name): Terminate reading on EOF.
1551 2006-02-06 Ben Elliston <bje@au.ibm.com>
1553 * dfp.c (decimal_real_arithmetic): Change second argument type
1554 from int to enum tree_code. Do not always return true, but now
1555 return result of any call to decimal_do helper functions.
1556 * dfp.h (decimal_real_arithmetic): Update prototype.
1558 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
1560 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
1562 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
1565 * tree-cfg.c (cleanup_dead_labels): Also don't remove
1568 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1570 * tree-vrp.c (cfg_loops): Removed.
1571 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
1572 Use current_loops instead of cfg_loops. Pass flags to
1573 loop_optimizer_init.
1574 * cfgloopmanip.c (fix_loop_structure): Update only available
1576 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
1577 loop_optimizer_init.
1578 * modulo-sched.c (build_loops_structure): Removed.
1579 (sms_schedule): Use loop_optimizer_init.
1580 * loop-init.c (loop_optimizer_init): Use flags to determine
1581 which properties of loops to prepare.
1582 (rtl_loop_init): Pass flags to loop_optimizer_init.
1583 * tree-ssa-sink.c (execute_sink_code): Ditto.
1584 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1585 * tree-ssa-pre.c (init_pre): Ditto.
1586 * cfgloop.h (LOOPS_NORMAL): New.
1587 (loop_optimizer_init): Declaration changed.
1589 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1591 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
1592 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
1594 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
1596 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
1598 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
1599 * pa/t-pa64: Delete quadlib.c rule.
1600 * pa/x-ada: Revert last change.
1601 * pa/t-pa: Revert last change. Delete quadlib.c rule.
1603 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1605 PR rtl-optimization/26087
1606 * rtlanal.c (canonicalize_condition): Do not cross basic block
1609 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
1612 * config/ia64/ia64.c: Include debug.h.
1613 (MAX_ARTIFICIAL_LABEL_BYTES): New.
1614 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1615 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1616 (process_epilogue, process_set, process_for_unwind_directive):
1617 Output unwind info only if requested. Add CFA info if requested.
1618 Add new arguments as needed. Adjust callers.
1619 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1621 (DWARF2_FRAME_INFO): Define to zero.
1622 * config/ia64/unwind-ia64.c: Remove code that compensated for
1623 the CFA offset error fixed above.
1624 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1625 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1626 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1627 -funwind-tables and -fexceptions to enable frame info.
1628 (dwarf2out_frame_init): Define initial CFA even if
1629 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
1630 DWARF2_UNWIND_INFO is nonzero, not just defined.
1631 (dwarf2out_frame_finish): Output non-EH call frame info only
1632 if DWARF2_FRAME_INFO is nonzero.
1633 (convert_cfa_to_loc_list,
1634 compute_frame_pointer_to_cfa_displacement): Define even if
1635 unwind info is not supported.
1636 (gen_subprogram_die): Use the above unconditionally. Remove
1637 legacy alternate code.
1638 * toplev.c (compile_file): Compile in call to
1639 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1640 (lang_dependent_init): Ditto for dwarf2out_frame_init.
1642 2006-02-04 David Edelsohn <edelsohn@gnu.org>
1643 Jakub Jelinek <jakub@redhat.com>
1645 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1646 IBM extended float format long double as "g" on powerpc*-linux.
1648 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1651 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1652 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1654 2006-02-03 Jason Merrill <jason@redhat.com>
1657 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1660 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1661 on the return slot if it's an NRV.
1663 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
1665 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1666 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1667 rewrite_use): Do not handle USE_OUTER.
1668 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1669 add_iv_outer_candidates, may_replace_final_value,
1670 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1671 (find_interesting_uses_op): Functionality of
1672 find_interesting_uses_outer_or_nonlin moved here.
1673 (find_interesting_uses_outside): Use find_interesting_uses_op.
1675 2006-02-03 Alan Modra <amodra@bigpond.net.au>
1678 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1680 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
1681 Ulrich Weigand <uweigand@de.ibm.com>
1684 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1685 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1686 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1687 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
1689 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1690 (s390_rtx_costs): Use the new fields to calculate rtx costs.
1691 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1692 Define secondary reloads for TFmode moves.
1693 (constant_modes): Add TFmode.
1694 (NR_C_MODES): Set to 8.
1695 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1697 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1698 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1699 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
1700 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1701 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
1702 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1703 (FPR mode macro): Add TFmode.
1704 (DSF mode macro): New.
1705 (<de>, <dee> mode attributes): Removed.
1706 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1707 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
1708 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
1709 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
1710 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
1711 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1712 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1713 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1714 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1715 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1716 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1717 "*negabs<mode>2", "sqrt<mode>2"):
1718 Changed <de> to <xde>. R constraint replaced by <Rf>.
1719 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1721 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1722 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1723 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1725 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1726 "extenddftf2", "extendsftf2"): New expanders.
1727 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1728 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1729 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1730 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1732 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1733 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1734 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1735 __floatditf): Add a GCC_4.1.0 symbol version tag.
1736 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1739 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1742 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1743 Use targetm.binds_local_p instead of TREE_PUBLIC.
1745 2006-02-02 Roger Sayle <roger@eyesopen.com>
1747 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1748 on INTEGER_TYPEs to indicate that it denotes a character type.
1749 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1750 signed_char_type_node, unsigned_char_type_node and char_type_node.
1751 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1752 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
1753 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1755 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1756 Daniel Berlin <dberlin@dberlin.org>
1758 * tree-tailcall.c (arg_needs_copy_p): New function.
1759 (eliminate_tail_call): Use arg_needs_copy_p.
1760 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1761 (add_virtual_phis): New function.
1763 2006-02-02 Jakub Jelinek <jakub@redhat.com>
1765 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1766 #ignore instead of #scratch for %g7 .register directive.
1768 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
1770 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1773 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1775 * flow.c (calculate_global_regs_live): Assert that there aren't any
1778 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
1780 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1782 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1783 bsi_after_labels iterator.
1784 * tree-if-conv.c (find_phi_replacement_condition,
1785 replace_phi_with_cond_modify_expr): Likewise.
1786 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1787 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1789 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1791 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1793 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1796 * tree-cfg.c (move_block_to_fn): Clear out the basic block
1797 array after growing it.
1799 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1802 * fold-const.c (fold_checksum_tree): Change type of buf.
1804 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
1806 * reload.c (push_secondary_reload): Initialize t_icode.
1808 2006-02-01 Jakub Jelinek <jakub@redhat.com>
1810 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1811 -msoft-float -mlong-double-128 only issue a warning, but don't
1812 swich to DFmode long double.
1814 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
1816 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1817 has a constant equivalent, iterate over equivalents for arg0,
1818 calling simplify_relational_operation and if there's a result
1819 cheaper than X, apply fold_rtx and return the result.
1821 2006-02-01 Jan Hubicka <jh@suse.cz>
1823 * opts.c (no_unit_at_a_time_default): New global variable.
1824 (decode_options): Use it.
1825 * opts.h (no_unit_at_a_time_default): Declare.
1827 2006-02-01 Paul Brook <paul@codesourcery.com>
1829 * function.c (assign_parm_setup_reg): Use function argument promotion
1831 * expr.c (expand_expr_real_1): Use function argument promotion rules
1834 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1836 * gcc.c (process_command): Change j to 'unsigned int'.
1838 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1841 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1842 Use the corrected index for the character
1843 out of the string constant.
1845 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1847 * mode-switching.c (optimize_mode_switching): Fix size
1848 allocated for bb_info[n_entities].
1850 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1852 * gcc.c (main): Correct type that is allocated for
1853 explicit_link_files.
1855 2006-01-31 Jakub Jelinek <jakub@redhat.com>
1857 * config/s390/s390.c (init_alignment_context): Set
1858 ALIAS_SET_MEMORY_BARRIER on the MEM.
1859 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
1861 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
1864 * loop-unroll.c (unroll_loop_runtime_iterations): Free
1866 * tree-ssa-live.c (type_var_init): Allocate bitmap after
1869 2006-01-31 Marcin Dalecki <martin@dalecki.de>
1871 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
1872 * regrename.c: Ditto.
1873 * tree-ssa-loop-im.c: Ditto.
1874 * tree-dump.c: Ditto.
1875 * tree-complex.c: Ditto.
1876 * genrecog.c: Ditto.
1877 * tree-ssa-threadupdate.c: Ditto.
1879 * java/class.c: Ditto.
1880 * java/jcf-parse.c: Ditto.
1881 * java/resource.c: Ditto.
1882 * java/except.c: Ditto.
1883 * java/jvspec.c: Ditto.
1884 * java/jcf-write.c: Ditto.
1885 * java/jcf-path.c: Ditto.
1886 * java/gjavah.c: Ditto.
1887 * java/zextract.c: Ditto.
1888 * java/jcf-io.c: Ditto.
1889 * java/jcf.h: Ditto.
1890 * java/buffer.c: Ditto.
1891 * java/lang.c: Ditto.
1892 * java/parse-scan.y: Ditto.
1893 * java/lex.c: Ditto.
1894 * java/lex.h: Ditto.
1895 * cfgloopmanip.c: Ditto.
1896 * postreload-gcse.c: Ditto.
1897 * tree-ssa-loop-manip.c: Ditto.
1898 * postreload.c: Ditto.
1899 * tree-ssa-loop-ch.c: Ditto.
1903 * diagnostic.c: Ditto.
1905 * genoutput.c: Ditto.
1907 * cfghooks.c: Ditto.
1908 * cfgloopanal.c: Ditto.
1909 * objc/objc-act.c: Ditto.
1911 * genextract.c: Ditto.
1912 * genautomata.c: Ditto.
1913 * pretty-print.c: Ditto.
1915 * cgraphunit.c: Ditto.
1918 * haifa-sched.c: Ditto.
1919 * dominance.c: Ditto.
1921 * tree-ssa-loop-ivopts.c: Ditto.
1923 * mode-switching.c: Ditto.
1924 * modulo-sched.c: Ditto.
1926 * ipa-pure-const.c: Ditto.
1928 * fix-header.c: Ditto.
1930 * tree-stdarg.c: Ditto.
1931 * ipa-utils.c: Ditto.
1932 * loop-init.c: Ditto.
1933 * ipa-inline.c: Ditto.
1936 * alloc-pool.c: Ditto.
1937 * dwarf2out.c: Ditto.
1939 * genattrtab.c: Ditto.
1940 * tree-ssa-loop-ivcanon.c: Ditto.
1944 * fortran/gfortranspec.c: Ditto.
1946 * local-alloc.c: Ditto.
1947 * langhooks.c: Ditto.
1948 * function.c: Ditto.
1949 * tree-vectorizer.c: Ditto.
1951 * ipa-type-escape.c: Ditto.
1953 * tree-if-conv.c: Ditto.
1956 * tree-data-ref.c: Ditto.
1957 * loop-unroll.c: Ditto.
1958 * treelang/treetree.c: Ditto.
1961 * ggc-common.c: Ditto.
1963 * coverage.c: Ditto.
1965 * tree-cfgcleanup.c: Ditto.
1966 * tree-ssa-pre.c: Ditto.
1967 * cfgcleanup.c: Ditto.
1968 * loop-invariant.c: Ditto.
1970 * ipa-prop.c: Ditto.
1971 * print-tree.c: Ditto.
1972 * conflict.c: Ditto.
1973 * ggc-page.c: Ditto.
1974 * sched-deps.c: Ditto.
1975 * regclass.c: Ditto.
1976 * tree-object-size.c: Ditto.
1978 * bb-reorder.c: Ditto.
1979 * resource.c: Ditto.
1980 * var-tracking.c: Ditto.
1982 * df-problems.c: Ditto.
1983 * reg-stack.c: Ditto.
1986 * sched-rgn.c: Ditto.
1987 * tree-ssa-structalias.c: Ditto.
1988 * tree-ssa-reassoc.c: Ditto.
1989 * config/darwin-c.c: Ditto.
1990 * config/darwin.c: Ditto.
1991 * config/arm/arm.c: Ditto.
1993 * collect2.c: Ditto.
1996 2006-01-31 Nicolas Pitre <nico@cam.org>
1998 * arm.md (smaxsi3): Make aware of smax_m1.
2001 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
2003 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
2005 2006-01-31 Richard Guenther <rguenther@suse.de>
2007 * doc/invoke.texi (-msselibm): Document.
2008 * target.h (expand_library_builtin): New target hook.
2009 * builtins.c (expand_builtin): Use expand_library_builtin.
2010 (default_expand_library_builtin): New function.
2011 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2012 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2013 (link_gcc_math_spec): Declare.
2014 (static_specs): Add link_gcc_math_spec.
2015 * expr.h (default_expand_library_builtin): Declare.
2016 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2017 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2018 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2019 * config/i386/i386.opt (msselibm): New target option.
2020 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2021 (ix86_init_sse_abi_builtins): New function.
2022 (ix86_expand_library_builtin): Likewise.
2023 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2024 (override_options): Handle error conditions wrt -msselibm.
2025 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2026 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2027 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2030 2006-01-31 Richard Guenther <rguenther@suse.de>
2031 Paolo Bonzini <bonzini@gnu.org>
2033 * doc/install.texi (--disable-libgcc-math): Document.
2035 2006-01-30 Marcin Dalecki <martin@dalecki.de>
2037 * expr.h (expand_normal): new inline function.
2038 * builtins.c: use it, use EXPAND_NORMAL explicitely.
2040 * dwarf2out.c: use it.
2045 * config/sparc/sparc.c: use it.
2046 * config/i386/i386.c: use it.
2047 * config/rs6000/rs6000.c: use it.
2048 * config/arm/arm.c: use it.
2049 * config/mips/mips.c: use it.
2050 * stmt.c: use it, use EXPAND_NORMAL explicitely.
2052 2006-01-30 Roger Sayle <roger@eyesopen.com>
2054 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
2055 argv to the appropriate type.
2057 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
2059 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
2062 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
2065 * config/s390/s390.c (struct machine_function): New flag
2066 decomposed_literal_pool_addresses_ok_p.
2067 (s390_reorg): Set it before final stage of literal pool transforms.
2068 (s390_decompose_address): Only accept displacements of the form
2069 (minus (label_ref ...) (label_ref ...)) if that flag is set.
2071 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
2073 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
2074 the comparison routine return.
2076 2006-01-30 Michael Matz <matz@suse.de>
2078 * global.c (find_reg): Only evict for global regs.
2079 Take n_refs into account and dump more info.
2081 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
2084 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
2085 (pragma_trap, pragma_nosave_low_regs): Likewise.
2086 (current_function_anonymous_args): Likewise.
2087 (sh_deferred_function_attributes): New variable.
2088 (sh_deferred_function_attributes_tail): Likewise.
2089 (print_operand): For '@', look up trap_exit attribute.
2090 (calc_live_regs): Look up trapa_handler attribute. For trapa
2091 handlers, save/restore fpscr, but don't do any other
2092 interrupt-specific saves.
2093 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
2094 Fix check for partially saved registers to check for SHmedia.
2095 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
2096 (sh_output_function_epilogue): Don't clear any of the removed
2098 (sh_insert_attributes): Don't check pragma_interrupt.
2099 Insert deferred attributes. Check that interrupt attribute is
2100 present for other attributes that require its presence.
2101 (sh_attribute_table): Add new attributes trapa_handler and
2103 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
2104 Don't check for pragma_interrupt. Don't store argument.
2105 * sh.h (pragma_interrupt, sp_switch): Don't declare.
2106 (sh_deferred_function_attributes): Declare.
2107 (sh_deferred_function_attributes_tail): Likewise.
2108 * sh.md (sp_switch_1): Add operand. Change generator caller.
2109 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
2110 (*return_i): Don't use when trap_exit attribute is in effect.
2111 (*return_trapa): New insn pattern.
2113 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
2114 setting c_target_objs and cxx_target_objs.
2115 * t-sh: Add rule for sh-c.o.
2117 2006-01-30 Richard Guenther <rguenther@suse.de>
2120 * gimplify.c (gimplify_target_expr): Handle easy cases
2121 without creating a temporary.
2123 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
2125 * vec.h (safe_grow): Remove duplicated line.
2127 2006-01-29 Diego Novillo <dnovillo@redhat.com>
2130 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
2131 (expand_omp): ... here.
2132 (expand_omp_parallel): Only remove barriers for combined
2133 parallel+workshare constructs.
2135 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
2139 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2140 * tree.c (build_qualified_type): Chain the new type to the original
2141 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2142 a POINTER_TYPE or a REFERENCE_TYPE respectively.
2143 (build_pointer_type_for_mode): Only return unqualified types.
2144 (build_reference_type_for_mode): Likewise.
2146 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
2148 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
2149 * Makefile.in (CXX_COMPAT_WARN): Define.
2150 * configure: Regenerate.
2152 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
2155 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
2158 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2160 * toplev.c: Fix thinko.
2162 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2163 Marcin Dalecki <martin@dalecki.de>
2165 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
2166 (push_srcloc): Use XNEW.
2167 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
2169 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2171 * df-core.c (df_set_blocks): Deleted all variable.
2173 2006-01-28 Ian Lance Taylor <ian@airs.com>
2175 * cgraphunit.c (cgraph_assemble_pending_functions): Call
2176 cgraph_output_pending_asms.
2178 2006-01-28 Zack Weinberg <zackw@panix.com>
2180 * c.opt: Add -W(no-)overlength-strings.
2181 * doc/invoke.texi: Document it.
2182 * c-opts.c (c_common_handle_option): -pedantic implies
2183 -Woverlength-strings, if not explicitly disabled already.
2184 (c_common_post_options): -Woverlength-strings defaults to off, and
2185 is always off for C++.
2186 * c-common.c (fix_string_type): Issue warning about strings longer
2187 than is portable only if warn_overlength_strings. Rearrange code
2188 a little for clarity.
2189 * configure.in: Check for -Wno-overlength-strings as well before
2190 enabling -pedantic in stage 1.
2191 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
2192 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
2194 * genconditions.c (write_header, write_one_condition)
2195 (write_conditions, write_writer): Consolidate very long strings
2196 that were broken up to fit in C89 portable limit. Don't use
2197 printf when fputs will do.
2199 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
2201 * combine.c (simplify_comparison <AND>): Check
2202 TRULY_NOOP_TRUNCATION before start using a subreg.
2204 * config/mips/mips.md (*branch_zero<mode>,
2205 *branch_zero<mode>_inverted, *branch_equality<mode>,
2206 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
2207 Remove mode check from comparisons.
2209 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
2211 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
2213 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2215 * expmed.c (const_mult_add_overflow_p): Remove.
2216 * expr.h: Remove the prototype for const_mult_add_overflow_p.
2218 * recog.c (validate_replace_rtx_subexp): Remove.
2219 * recog.h: Remove the prototype for
2220 validate_replace_rtx_subexp.
2222 * integrate.h: Remove the prototype for
2223 copy_decl_for_inlining.
2224 * rtl.h: Remove the prototype for mark_constant_function.
2225 * tree-vectorizer.h: Remove the prototype for
2226 vect_strip_conversion.
2228 * modulo-sched.c (create_partial_schedule,
2229 free_partial_schedule, reset_partial_schedule): Make them
2232 * hooks.c (hook_bool_rtx_int_false): Remove.
2233 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
2235 2006-01-28 David Edelsohn <edelsohn@gnu.org>
2237 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2238 and -mlong-double-128 are incompatible.
2239 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
2240 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
2241 (TARGET_LIBGCC2_CFLAGS): Define.
2242 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
2243 (TARGET_LIBGCC2_CFLAGS): Same.
2244 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
2246 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2249 * c-typeck.c (build_binary_op): Perform implicit casts of
2250 operands before shortening them.
2252 * cfgloopmanip.c (split_loop_bb): Remove.
2253 * cfgloop.h: Remove the prototype for split_loop_bb.
2255 * cfgloop.c (flow_loop_outside_edge_p): Remove.
2256 * cfgloop.h: Remove the prototype for
2257 flow_loop_outside_edge_p.
2259 * emit-rtl.c (init_virtual_regs): Make it static.
2260 * function.h: Remove the prototype for init_virtual_regs.
2262 * recog.c (peephole2_optimize): Make it static.
2263 * recog.h: Remove the prototype for peephole2_optimize.
2265 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2267 * df-scan.c (df_record_entry_block_defs): Check if
2268 INCOMING_RETURN_ADDR_RTX is defined.
2270 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
2271 Kenneth Zadeck <zadeck@naturalbridge.com>
2273 PR rtl-optimization/24762
2274 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2275 * targhooks.c (hook_void_bitmap): New hook prototype.
2276 * targhoohs.h (hook_void_bitmap): Ditto.
2277 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
2278 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
2279 * target.h (live_on_entry): New function pointer.
2280 * df-scan.c (df_all_hard_regs): Removed.
2281 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
2282 (df_scan_free_internal): Added df->entry_block_defs.
2283 (df_scan_alloc): Ditto.
2284 (df_scan_dump): Ditto.
2285 (df_uses_record): Plumbed flag field properly thru calls.
2286 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
2287 This part fixes PR24762.
2288 (df_bb_refs_record): Added code to make the frame and arg
2289 pointers live in EH blocks.
2290 (df_refs_record): Added call to df_record_entry_block_defs.
2291 (df_record_entry_block_defs): New function.
2292 * df-core.c: Added comments to describe new artifical defs.
2293 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
2294 (entry_block_defs): New field in struct df.
2295 (df_all_hard_regs): Deleted.
2296 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2297 * df-problems.c (df_ru_bb_local_compute_process_def):
2298 Added code to handle artifical defs in the entry to a function.
2299 (df_ru_bb_local_compute): Ditto.
2300 (df_rd_bb_local_compute_process_def): Ditto.
2301 (df_rd_bb_local_compute): Ditto.
2302 (df_lr_bb_local_compute): Ditto.
2303 (df_ur_bb_local_compute): Ditto.
2304 (df_urec_bb_local_compute): Ditto.
2305 (df_chain_create_bb): Ditto.
2306 (df_ur_local_finalize): Removed entry.
2307 (df_urec_init): Ditto.
2308 (df_urec_local_finalize): Ditto.
2309 (df_ri_bb_compute): Added detection of last use of pseudos.
2310 * Makefile.in (df-scan.o): Updated dependencies.
2311 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
2312 * config/mips/mips.c (mips_set_live_on_entry): Added.
2313 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
2315 * dce.c (marked_insn_p): Added code to handle artifical defs.
2317 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2319 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
2321 (_mm_cvtsi128_si64): Likewise.
2322 (_mm_cvtsd_si64): Likewise.
2323 (_mm_cvttsd_si64): Likewise.
2324 (_mm_cvtsi64_sd): Likewise.
2325 (_mm_cvtsi64_si128): Likewise.
2326 * config/i386/mmintrin.h (_m_from_int64): Likewise.
2327 (_mm_cvtsi64_m64): Likewise.
2328 (_m_to_int64): Likewise.
2329 (_mm_cvtm64_si64): Likewise.
2330 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
2331 (_mm_cvttss_si64): Likewise.
2332 (_mm_cvtsi64_ss): Likewise.
2333 (_mm_cvtss_f32): Likewise.
2335 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
2337 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
2338 for pragma redefine_extname.
2340 2006-01-27 Jakub Jelinek <jakub@redhat.com>
2343 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
2344 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
2345 -mno-minimal-toc to previous content.
2346 (bispecs): Remove goal.
2347 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
2348 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
2349 compatibility aliases on powerpc-*-*gnu*.
2350 * config/rs6000/libgcc-ppc-glibc.ver: New file.
2351 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
2352 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
2353 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
2354 (ldblspecs): New goal.
2355 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
2356 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
2358 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
2359 L_sf_to_tf or L_df_to_tf is defined.
2361 2006-01-27 David Edelsohn <edelsohn@gnu.org>
2362 Alan Modra <amodra@bigpond.net.au>
2365 * config/rs6000/linux.h (POWERPC_LINUX): Define.
2366 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
2367 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
2368 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
2369 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
2370 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
2371 (rs6000_override_options): Initialize rs6000_ieeequad.
2372 Initialize TFmode format to ibm_extended_format if not
2374 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
2376 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
2377 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
2378 (function_arg_advance): IBM long double passed in two FPRs, not
2380 (function_arg): IBM long double passed in FPRs.
2381 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
2382 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
2383 Only multireg GPR aligned.
2384 (rs6000_init_libfuncs): Enable IBM long double functions if not
2386 (rs6000_generate_compare): Use IBM long double compare if not
2388 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
2389 (TARGET_IEEEQUAD): Define.
2390 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
2391 not TARGET_IEEEQUAD.
2392 * config/rs6000/rs6000.md: Enable TFmode patterns if
2394 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
2395 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2396 and -mlong-double-128 are incompatible.
2397 * doc/invoke.texi (-mabi): Collect options together. Add
2398 ibmlongdouble and ieeelongdouble.
2400 2006-01-27 Richard Sandiford <richard@codesourcery.com>
2402 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
2404 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
2405 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
2406 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
2407 * rtl.h (rtunion_def): Remove rt_ptr.
2409 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
2410 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
2411 * config/i386/winnt.c (i386_pe_mark_dllexport)
2412 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
2414 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
2416 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
2418 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2422 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
2423 pthread_key_delete. From John David Anglin. gthrw-ify
2424 pthread_getunique_np only if it it's not a macro. Delete
2426 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
2427 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
2428 __gthread_objc_condition_signal, __gthread_key_delete): Add
2429 "__attribute__ ((__unused__))" to unused arguments.
2430 (__gthread_recursive_mutex_init_function): Add missing return.
2431 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
2432 gthr-posix95.h: Use macro-based approach for name redirection
2433 on targets missing weakref.
2435 2006-01-26 Zack Weinberg <zackw@panix.com>
2437 * genconditions.c (write_header): In generated code, #ifdef out
2438 all includes and fake declarations, except includes of bconfig.h
2439 and system.h, unless GCC_VERSION >= 3001. Do not include
2440 gensupport.h in any case.
2441 (write_conditions): Generate a definition of struct c_test. Add
2442 a comment to the generated #endif.
2443 (write_one_condition): Escape backslashes in string too.
2444 (write_writer): Generated code must escape backslashes and quote
2445 marks (but not newlines) in the strings it writes.
2446 * Makefile.in (build/gencondmd.o): Update dependencies.
2448 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2451 * Makefile.in (insn-automata.o): Add header file dependencies.
2452 * genautomata.c: Add includes.
2454 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2457 * Makefile.in (insn-automata.o): Add -Wno-error flag.
2459 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2461 * configure.ac: Expect target tools paths to be passed from the toplevel
2462 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
2464 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
2466 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2469 * c.opt (Wpointer-sign): Init to -1.
2470 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
2471 OPT_pedantic, to 0 otherwise.
2472 * doc/invoke.texi: Update.
2474 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2476 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
2477 constants provided by 80387 instructions in the destination mode.
2479 2006-01-26 Richard Guenther <rguenther@suse.de>
2480 Andrew Pinski <pinskia@physics.uc.edu>
2483 partial PR tree-opt/17064
2484 * tree-ssa-structalias.c (intra_create_variable_infos):
2485 Create heap variables for incoming parameters if
2486 flag_argument_noalias > 1.
2487 (find_what_p_points_to): Look through default defs of
2490 2006-01-26 Jeff Law <law@redhat.com>
2493 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
2494 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
2495 within the VR_RANGE, use the VR_RANGE as the result, not the
2497 (adjust_range_with_scev): Reject ranges from SCEV which are out of
2498 bounds for the type.
2500 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
2502 * tree-ssa-alias.c (maybe_create_global_var): Change
2503 subvar walking to an assertion that we don't have subvar'd variables.
2505 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
2508 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
2509 Use a new variable, inner. PARM_DECLs are always non-weak.
2511 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
2513 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
2516 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
2518 * config/mips/mips.md (*clear_upper32): New combiner pattern.
2520 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
2522 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
2523 (smax_insn, smin_insn, smax_0, smin_0): New.
2525 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
2528 * config/cris/cris.c (cris_order_for_addsi3): New function.
2529 * config/cris/cris-protos.h: Prototype it.
2530 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
2531 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
2532 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
2533 (split for "op.S1 [rx=rx+i],ry (swapped)")
2534 (split for "op(s|u).S1 [rx=rx+i],ry")
2535 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
2536 Apply cris_order_for_addsi3 when generating addsi3 insns.
2538 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2540 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
2541 (TREE_BLOCK): Add call to EXPR_CHECK.
2543 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2546 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
2547 * tree-pretty-print.c (dump_omp_clause): Extract from ...
2548 (dump_omp_clauses): ... here.
2549 (dump_generic_node): Handle OMP_CLAUSE.
2550 * tree.c (omp_clause_num_ops): New.
2551 (omp_clause_code_name): New.
2552 (tree_code_size): Handle OMP_CLAUSE.
2553 (tree_size): Likewise.
2554 (make_node): Document handling of OMP_CLAUSE.
2555 (tree_node_structure): Handle OMP_CLAUSE.
2556 (omp_clause_check_failed): New.
2557 (omp_clause_range_check_failed): New.
2558 (omp_clause_operand_check_failed): New.
2559 (build_omp_clause): New.
2560 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
2561 * tree.h (enum omp_clause_code): Declare.
2562 (OMP_CLAUSE_SUBCODE_CHECK): Define.
2563 (OMP_CLAUSE_RANGE_CHECK): Define.
2564 (OMP_CLAUSE_ELT_CHECK): Define.
2565 (omp_clause_check_failed): Declare.
2566 (omp_clause_operand_check_failed): Declare.
2567 (omp_clause_range_check_failed): Declare.
2568 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
2569 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
2570 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
2571 (OMP_CLAUSE_LASTPRIVATE): Likewise.
2572 (OMP_CLAUSE_IF_EXPR): Likewise.
2573 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
2574 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
2575 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
2576 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
2577 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
2578 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
2579 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
2580 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
2581 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
2582 (OMP_CLAUSE_CODE): Define.
2583 (OMP_CLAUSE_SET_CODE): Define.
2584 (OMP_CLAUSE_CODE): Define.
2585 (OMP_CLAUSE_OPERAND): Define.
2586 (struct tree_omp_clause): Declare.
2587 (union tree_node): Add field 'omp_clause'.
2588 * treestruct.def (TS_OMP_CLAUSE): Define.
2589 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
2590 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
2591 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
2592 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
2593 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
2594 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
2595 (OMP_CLAUSE): Define.
2596 * print-tree.c (print_node): Handle OMP_CLAUSE.
2597 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
2598 * c-typeck.c: Likewise.
2599 * gimplify.c: Likewise.
2600 * c-omp.c: Likewise.
2601 * tree-nested.c: Likewise.
2602 * tree-inline.c: Likewise.
2603 * c-parser.c: Likewise.
2604 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2607 2006-01-25 Roger Sayle <roger@eyesopen.com>
2609 PR rtl-optimization/25703
2610 * combine.c (try_combine): Handle zero_extract and strict_low_part
2611 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2613 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
2615 * global.c: Fix comment typos.
2617 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
2620 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2621 Use output_addr_const instead of assemble_name.
2623 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
2625 * Makefile.in (sched-vis.o): Update dependencies.
2626 * haifa-sched.c (sched_finish): Clear current_sched_info.
2627 * cfg.c (dump_bb_info): New, split from dump_flow_info.
2628 (dump_flow_info): Call it.
2629 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2631 * basic-block.h (dump_bb_info): Declare.
2632 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2633 option, and apply options only for dump files whose TDF_RTL,
2634 TDF_TREE, or TDF_IPA bits match.
2635 * rtl.h: Declare new functions exported from sched-vis.c.
2636 * sched-vis.c: Enable also if scheduling is not used.
2637 (print_value): Print the mode of registers if not inside scheduling.
2638 (print_insn): Make it work outside the scheduler. Beautify the output
2640 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2642 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2644 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2645 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2646 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2647 depending on the value of CONSTANT_POOL_ADDRESS_P.
2648 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2650 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2651 rather than SYMBOL_REF_DECL.
2652 (rtx_constant_pool): Remove const_rtx_sym_htab.
2653 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2654 (init_varasm_status): Don't initialize const_rtx_sym_htab.
2655 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2656 Remove handling of const_rtx_sym_htab.
2657 (find_pool_constant): Delete.
2658 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2659 rather than find_pool_constant.
2660 (get_pool_constant_for_function): Delete.
2661 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2663 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2664 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2665 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2666 (SYMBOL_REF_CONSTANT): New macro.
2667 (get_pool_constant_for_function): Delete.
2668 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2669 rather than SYMBOL_REF_DECL.
2670 (i386_pe_mark_dllimport): Likewise.
2671 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2672 rather than SYMBOL_REF_DECL.
2673 * config/darwin.c (machopic_indirect_data_reference): Likewise.
2674 (machopic_indirect_call_target): Likewise.
2676 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
2678 * flow.c (delete_noop_moves): Add missing EOL to dump message.
2680 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2682 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2684 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
2686 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2688 2006-01-24 David Daney <ddaney@avtrex.com>
2691 * configure.ac (enable_tls): New enable option.
2692 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2693 * configure: Regenerate.
2694 * doc/install.texi (--enable-tls): Document new option.
2695 (--disable-tls): Ditto.
2697 2006-01-24 Richard Henderson <rth@redehat.com>
2699 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2700 * alias.c (true_dependence): Respect it.
2701 (canon_true_dependence, write_dependence_p): Likewise.
2702 * builtins.c (get_builtin_sync_mem): Set it.
2704 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
2706 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2709 2006-01-24 DJ Delorie <dj@redhat.com>
2711 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2712 for storing constants in single-bit bitfields.
2714 2006-01-25 Ben Elliston <bje@au.ibm.com>
2716 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2718 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2721 * tree-ssa-pre.c (phi_translate): Return NULL
2722 for AGGREGATE_TYPE's.
2724 2006-01-24 Zack Weinberg <zackw@panix.com>
2726 * genautomata.c (process_state_for_insn_equiv_partition):
2727 Use xcalloc for insn_arcs_array.
2728 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2729 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2731 2006-01-24 Richard Henderson <rth@redhat.com>
2733 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2736 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2738 PR rtl-optimization/25890
2739 PR rtl-optimization/25905
2740 * combine.c (expand_compound_operation, expand_field_assignment):
2741 Fail if the bitfield's final position is out of bounds.
2743 2006-01-24 Ian Lance Taylor <ian@airs.com>
2746 * cgraphunit.c (cgraph_output_in_order): Don't clear
2747 cgraph_asm_nodes until after asm strings have been output.
2749 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2751 * fix-header.c (read_scan_file): Add new parameter imultilib when
2752 calling register_include_chains.
2754 2006-01-23 Diego Novillo <dnovillo@redhat.com>
2756 * omp-low.c: Update documentation.
2758 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2759 Daniel Berlin <dberlin@dberlin.org>
2763 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2764 return from the function.
2766 2006-01-22 Zack Weinberg <zackw@panix.com>
2768 * rtl.def (match_code): Add second argument.
2769 * genpreds.c (write_extract_subexp): New function.
2770 (write_match_code): Add path argument. Use write_extract_subexp.
2771 (write_predicate_expr): Pass path to write_match_code.
2772 (mark_mode_tests): MATCH_CODE applied to a subexpression does
2773 not perform a mode test.
2774 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2775 a subexpression does not constrain the top-level code set.
2776 * read-rtl.c (read_rtx_variadic): New function.
2777 (read_rtx_1): Use it; allow AND and IOR to be variadic.
2778 * doc/md.texi: Document new notation.
2779 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2780 (cmpsi_operand): ... here, using new notation.
2782 2006-01-22 Zack Weinberg <zackw@panix.com>
2784 * varray.c: Remove GENERATOR_FILE #ifdefs.
2786 2006-01-22 Zack Weinberg <zackw@panix.com>
2788 * genautomata.c (output_reserved_units_table): Emit nothing if
2789 description->query_units_num is zero. Remove extra blank line.
2790 (output_cpu_unit_reservation_p): Short circuit
2791 if description->query_units_num is zero.
2793 2006-01-22 Zack Weinberg <zackw@panix.com>
2795 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
2796 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
2797 nor any of the random handful of variables that used to be necessary
2798 when this program was linked with rtlanal.o. Prune set of forward
2799 function declarations.
2800 (struct attr_desc): Remove static_p field.
2801 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2802 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2803 (attr_string): Do not read the character one past the length of
2805 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2806 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2807 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2808 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2809 (make_automaton_attrs): New.
2810 (main): Do not call into genautomata. Call local gen_bypass
2811 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
2812 Remove special case for insn_alts.
2813 * genautomata.c: Include gensupport.h; not genattrtab.h nor
2814 varray.h (leftover from previous change). Prune set of forward
2815 function declarations. Remove state_alts fields from all
2816 structures. Remove state_alts_table from struct automaton.
2817 Make everything except main static. Do not maintain num_dfa_decls.
2818 Do not maintain state_alts fields of various structures.
2819 (process_decls): Don't validate condexp for dm_insn_reserv decls.
2820 (add_arc): Remove state_alts argument. All callers updated.
2821 (output_reserved_units_table): Emit #ifdef here...
2822 (output_tables): ...not here. Don't generate state_alts tables.
2823 (expand_automata): Don't generate attributes.
2824 (write_automata): Don't generate state_alts functions.
2825 (main): New function.
2826 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
2827 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
2828 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
2829 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
2830 (BYPASS_P_FUNC_NAME, output_state_alts_table)
2831 (output_automata_list_state_alts_code, output_internal_state_alts_func)
2832 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
2833 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
2835 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
2836 * genattrtab.h: Delete file.
2837 * Makefile.in (OBJS-common): Add insn-automata.o.
2838 (insn-automata.o): New rule.
2839 (simple_generated_c): Add insn-automata.c.
2840 (build/genattrtab.o, build/genautomata.o): Update dependencies.
2841 (genprogmd): Add automata.
2842 (build/genattrtab): Needs no extra objects nor libraries.
2843 (build/genautomata): Needs build/vec.o and -lm.
2845 2006-01-22 Zack Weinberg <zackw@panix.com>
2847 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2848 (output_dfa_max_issue_rate, locked_states_num): Delete.
2849 (struct automaton): Add locked_states field.
2850 (output_dead_lock_vect): Save number of locked states in
2851 automaton->locked_states. If it is zero, don't print anything.
2852 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2853 (output_internal_dead_lock_func): Only test the dead_lock_vect
2854 for automata that have locked states.
2855 (output_statistics): Always print the number of locked states for
2856 each automaton. Calculate total number of locked states here.
2857 (write_automata): Don't call output_dfa_max_issue_rate.
2858 * genattrtab.c: Define length_unit_log as a const variable.
2859 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
2860 max_insn_queue_index const.
2861 * final.c (length_unit_log): Declare const.
2862 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2864 2006-01-22 Zack Weinberg <zackw@panix.com>
2866 * genautomata.c: Include vec.h, not varray.h.
2867 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
2868 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
2869 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
2870 VEC_* macros operating on appropriately typed vectors, or to
2871 malloced arrays when the size is known in advance. Const-ify
2872 many char* variables and function arguments. No functional changes.
2873 * Makefile.in (build/varray.o): Delete rule.
2874 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
2875 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
2877 2006-01-22 Zack Weinberg <zackw@panix.com>
2879 * gensupport.c: Define get_insn_name and record_insn_name here.
2880 (read_md_rtx): Call record_insn_name as appropriate.
2881 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2882 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2883 * genpreds.c, genrecog.c: Don't define get_insn_name nor
2885 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
2886 (BUILD_VARRAY): Delete.
2887 (genprognormal): Rename genprogmd. Fold in all programs from
2888 genprognoprint; also attrtab.
2889 (build/genattrtab): Just mention genautomata.o and varray.o.
2890 Reorganize a bit, add comments to make the categories clearer.
2892 2006-01-22 Zack Weinberg <zackw@panix.com>
2894 * genconditions.c (condition_table, add_condition): Delete.
2895 (write_conditions): Don't emit n_insn_conditions nor
2896 insn_elision_unavailable. Issue the gcc version #ifdef here,
2897 inside the table, with no #else clause ...
2898 (write_header): ...not here.
2899 (write_writer): New function.
2900 (main): Don't initialize condition_table. Use add_c_test.
2902 * gensupport.c (init_md_reader_args_cb): Handle multiple input
2903 files on the command line.
2904 (maybe_eval_c_test): Don't check insn_elision_unavailable.
2905 Return -1 if there is no entry in the table, don't abort.
2906 (add_c_test, traverse_c_tests): New functions.
2907 * gensupport.h (insn_elision_unavailable, insn_conditions)
2908 (n_insn_conditions): Delete declarations.
2909 (add_c_test, traverse_c_tests): Declare.
2910 * read-rtl.c: Include gensupport.h.
2911 (read_conditions): New function.
2912 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
2913 (read_rtx_1): If we get EOF when we were looking for an initial
2914 open paren, return 0. Call read_conditions when appropriate.
2915 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
2916 dummy-conditions.o. Eliminate references to insn-conditions.o,
2917 or change them to build/gencondmd.o, as appropriate. Remove
2918 insn-constants.h from $(simple_generated_h) and insn-conditions.c
2919 from $(simple_generated_c). For all files remaining in those
2920 two lists, add insn-conditions.md to the generator command line.
2921 Give insn-constants.h/s-constants their own rules. Add rules
2922 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
2923 (build/read-rtl.o): Depend on gensupport.h.
2924 (genprognormal): Include preds.
2925 (genprogearly): Rename genprognoprint; only difference is now that
2926 they don't link with $(BUILD_PRINT).
2927 * dummy-conditions.c: Delete.
2929 2006-01-22 Zack Weinberg <zackw@panix.com>
2931 * genextract.c: Don't include insn-config.h. Do include vec.h.
2932 Declare vectors of int, char, and locstr.
2933 (locstr): New typedef.
2934 (struct extraction): Make all array fields into bare pointers.
2935 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
2936 (insn_code_number): Delete.
2937 (accum_extract): New struct.
2938 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
2939 (gen_insn): Take insn_code_number as an argument. Use an
2940 accum_extract structure instead of loading data directly into
2941 a struct extraction, and having to know how big it might get.
2942 (walk_rtx): Operate entirely on an accum_extract structure.
2943 (print_path): Avoid unnecessary use of printf.
2944 (print_header): New function, split out of main. Distinguish
2945 more carefully between an unrecognizable insn and an insn that
2946 has the code number of a define_expand.
2947 (main): Pass insn_code_number to gen_insn. Call print_header
2948 only after parsing. Avoid unnecessary use of printf.
2949 * Makefile.in (build/vec.o): New rule.
2950 (build/genextract): Depend on build/vec.o.
2951 (build/genextract.o): Don't depend on insn-config.h.
2953 2006-01-22 Zack Weinberg <zackw@panix.com>
2955 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
2956 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
2957 practical. Eliminate per-generator-program link rules.
2959 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2962 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2963 with a call expr to ...
2964 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2966 2006-01-23 Richard Guenther <rguenther@suse.de>
2968 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
2969 before make_edge with conditional EDGE_TRUE_VALUE.
2971 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
2972 Jan Hubicka <jh@suse.cz>
2973 Richard Guenther <rguenther@suse.de>
2975 PR rtl-optimization/25654
2976 * cfgexpand.c (aggregate_contains_union_type): New function.
2977 (add_alias_set_conflicts): Call it. Make sure to add conflicts
2978 for structure variables that contain a union type.
2980 2006-01-23 Richard Sandiford <richard@codesourcery.com>
2982 * gengtype.c (new_structure): Return the structure.
2983 (create_option): Add an extra "next" argument.
2984 (create_field): New function.
2985 (adjust_field_rtx_def): Use create_option and create_field.
2986 Remove a now-unnecessary call to find_structure.
2987 (adjust_field_tree_def): Likewise.
2988 (note_yacc_type): Remove an unnecessary call to find_structure.
2989 * gengtype.h (new_structure): Return the structure.
2990 (create_option): Add an extra argument.
2991 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
2992 (option): Adjust calls to create_option.
2994 2006-01-22 David Edelsohn <edelsohn@gnu.org>
2996 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2998 2006-01-22 Paul Brook <paul@codesourcery.com>
2999 Peter Barada <peter@the-baradas.com>
3001 * config/m68k/m68k.md: Add Coldfire FPU support.
3002 Define FP mode macro and associated attributes.
3003 Use it for float mode patterns.
3004 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
3005 (LIBCALL_VALUE): Use m68k_libcall_value.
3006 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
3007 (m68k_function_value): Ditto.
3008 (emit_move_sequence): Ditto.
3009 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
3010 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
3011 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
3012 (MULTILIB_EXCEPTIONS): Ditto.
3013 * config/m68k/m68k.opt: Add mcfv4e.
3014 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
3015 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
3016 (m68k_output_function_prologue): Save ColdFire FPU registers.
3017 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
3018 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
3019 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
3020 ColdFire FPU registers.
3021 (m68k_libcall_value, m68k_function_value): New functions.
3022 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
3023 (LIBCALL_VALUE): Use m68k_libcall_value.
3024 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
3025 (MASK_COLDFIRE): Add MASK_CFV4E.
3026 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
3027 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
3028 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
3029 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
3030 (GO_IF_LEGITIMATE_ADDRESS): Use it.
3031 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
3032 * doc/invoke.tex: Document -mcfv4e on m68k.
3034 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3036 * doc/contribute.texi: Change CVS to SVN and update the corresponding
3039 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
3042 * c-opts.c (c_common_handle_option): Don't include
3043 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
3044 * doc/invoke.texi (C++ Dialect Options): Document that
3045 -Wnon-virtual-dtor is no longer included in -Wall.
3047 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
3049 * gcov.c (print_version), gcov-dump.c (print_version),
3050 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
3053 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
3055 * df-scan.c (problem_SCAN): Added NULL reset function.
3056 (df_scan_reset_blocks): Added code to call reset block function
3057 (df_bb_refs_delete) Fixed comment.
3058 (df_insn_refs_delete): Made tolerant of deleting non existent info
3059 for dataflow problems that need to be reset.
3060 * df-core.c (df_set_blocks): Ditto.
3061 * df.h (struct df_problem): Added reset_fun.
3062 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
3063 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
3064 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
3065 functions to clear out all references to def-use or use-def chains.
3067 2006-01-21 Ben Elliston <bje@au.ibm.com>
3069 * varasm.c (assemble_real): Initialise data array.
3071 2006-01-20 Paul Brook <paul@codesourcery.com>
3073 Merge from csl-arm-branch.
3074 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3075 * config/arm/arm.md (movdi): Force operands[1] to a register
3076 if we have a non-register source.
3077 (*arm_movdi, *movdf_soft_insn): Require that one of the
3078 operands be a register.
3079 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
3080 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
3082 2006-01-20 DJ Delorie <dj@redhat.com>
3084 * varasm.c (initialize_constant_valid_p): Allow pointers
3085 initialized from integer constants of lesser precision.
3086 (output_constant): Allow non-int-sized pointer modes to be
3087 initialized from integer constants.
3089 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
3092 * cppdefault.h (struct default_include): Add multilib flag.
3093 * cppdefault.c (cpp_include_defaults): Set it.
3094 * c.opt (-imultilib): New option.
3095 * c-opts.c (imultilib): New.
3096 (c_common_handle_option): Handle -imultilib.
3097 (c_common_post_options): Likewise.
3098 * c-incpath.c (add_standard_paths, register_include_chains):
3100 * c-incpath.h (register_include_chains): Add extra parameter.
3101 * gcc.c (do_spec_1): Generate -imultilib option.
3102 (The Specs Language): Update %I description.
3103 (process_command): Update copyright notice.
3104 * doc/cppopts.texi (-imultilib): Document.
3105 * doc/invoke.texi (-imultilib): Include in option summary.
3106 (%I): Update specs documentation.
3108 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3110 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
3112 2006-01-20 Richard Sandiford <richard@codesourcery.com>
3114 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
3117 2006-01-20 Richard Guenther <rguenther@suse.de>
3118 Steven Bosscher <stevenb.gcc@gmail.com>
3120 PR rtl-optimization/24626
3121 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
3122 EDGE_TRUE_VALUE if in RTL mode.
3125 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
3126 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
3128 2006-01-20 Dirk Mueller <dmueller@suse.com>
3131 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
3132 instead of a special NOP marker.
3133 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
3134 NOP marker handling.
3135 * c-common.h (empty_body_warning): Add forward declaration.
3136 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
3137 Now uses IS_EMPTY_STMT() instead of special NOP markers.
3139 2006-01-20 Paul Brook <paul@codesourcery.com>
3141 * Makefile.in (lang_checks): Keep going if mkdir fails.
3143 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3145 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
3146 be able to clean out basic block when not necessary.
3147 (df_scan_free): Fixed to properly delete information if df is
3148 unused before calling df_finish.
3149 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
3150 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
3152 (df_bb_refs_delete): New function.
3153 (df_refs_delete): Moved per block code to df_bb_refs_delete.
3154 * df-core.c (df_set_blocks): Added code to properly clean out
3155 unused blocks if they are not part of the blocks to consider.
3156 Added additional null check.
3157 (df_compact_blocks): Added basic block parameter to free_bb_fun to
3158 be able to clean out basic block when not necessary
3159 * df.h (df_free_bb_function): Ditto.
3160 (df_bb_refs_delete): New function.
3161 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
3162 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
3163 basic block parameter to be able to clean out basic block when not
3165 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
3166 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
3167 Fixed to properly delete information if df is unused before
3170 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3172 PR rtl-optimization/25799
3173 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
3174 Corrected confluence operator to remove bits from op2 before oring
3175 with op1 rather than removing bits from op1.
3176 (df_ru_transfer_function): Corrected test on wrong bitmap which
3177 caused infinite loop. Both of these problems were introduced in
3178 the dataflow rewrite.
3180 2006-01-19 DJ Delorie <dj@redhat.com>
3182 * reload1.c (find_reload_regs): Note the details of reload
3183 failures in the dump file.
3184 (spill_failure): Likewise.
3186 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3188 * loop-iv.c: Include df.h and hashtab.h.
3189 (enum iv_grd_result): New enum.
3190 (DF_REF_IV, DF_REF_IV_SET): New macros.
3191 (struct biv_entry): New.
3192 (df, bivs): New global variables.
3193 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
3194 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
3196 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
3197 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
3198 analyzed_for_bivness_p, record_biv): New functions.
3199 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
3200 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
3201 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
3203 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
3205 (iv_number_of_iterations): Use new interface to iv analysis.
3206 * loop-unroll.c: Do not include varray.h.
3207 (analyze_iv_to_split_insn): Use new interface to iv
3209 * loop-unswitch.c (may_unswitch_on): Ditto.
3210 * df.c (df_bitmaps_free): Only work for bbs for that structures are
3212 (df_bb_modify): Realloc tables to the new index.
3213 (df_find_use): New function.
3214 * df.h (df_find_use): Declare.
3215 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
3217 * cfgloop.h (struct rtx_iv): Remove analysed field.
3218 (iv_get_reaching_def): Removed.
3219 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
3220 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
3221 (loop-iv.o): Add df.h and hashtab.h dependency.
3222 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
3224 2006-01-20 Alan Modra <amodra@bigpond.net.au>
3227 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
3229 (__floatundisf, __floatundidf): Likewise.
3230 * libgcc2.h (IS_IBM_EXTENDED): Define.
3232 2006-01-19 DJ Delorie <dj@redhat.com>
3234 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
3236 2006-01-19 Paul Brook <paul@codesourcery.com>
3238 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
3239 as nothrow when unwinding tables are disabled.
3241 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3244 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
3245 of bit-field" when in system header.
3247 2006-01-19 DJ Delorie <dj@redhat.com>
3249 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
3250 the 16 bit shift limit of the m16c.
3252 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
3255 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
3256 * config/i386/i386.c (output_set_got): Output the label if we have one
3257 for the TARGET_DEEP_BRANCH_PREDICTION case.
3259 2006-01-19 Jan Hubicka <jh@suse.cz>
3260 H.J. Lu <hongjiu.lu@intel.com>
3261 Evandro Menezes <evandro.menezes@amd.com>
3263 * invoke.texi (generic): Document
3265 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
3266 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
3267 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
3268 (x86_use_incdec, x86_pad_returns): New variables
3269 (TARGET_CPU_DEFAULT_generic): New constant
3270 (TARGET_CPU_DEFAULT_NAMES): Add generic.
3271 (enum processor_type): Add generic32 and generic64.
3272 * i386.md (cpu attribute): Add generic32/generic64
3273 (movhi splitter): Behave sanely when both partial_reg_dependency and
3274 partial_reg_stall are set.
3275 (K8 splitters): Enable for generic as well.
3276 * predicates.md (incdec_operand): Use TARGET_INCDEC
3277 (aligned_operand): Avoid memory mismatch stalls.
3278 * athlon.md: Enable for generic64, new patterns for 128bit moves.
3279 * ppro.md: Enable for generic32
3280 * i386.c (generic64_cost, generic32_cost): New.
3281 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
3282 (x86_use_leave): Enable for generic64. (x86_use_sahf,
3283 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
3284 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
3285 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3286 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3287 x86_partial_reg_dependency, x86_memory_mismatch_stall,
3288 x86_accumulate_outgoing_args, x86_prologue_using_move,
3289 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3290 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
3292 (x86_use_incdec, x86_pad_returns): New.
3293 (override_options): Add generic32 and generic64, translate "generic"
3294 to generic32/generic64 and "i686" to "generic32", refuse
3295 "generic32"/"generic64" as arch target.
3296 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
3297 (ix86_reorg): Honor PAD_RETURNS.
3299 2006-01-19 Diego Novillo <dnovillo@redhat.com>
3301 * tree-pretty-print.c (dump_generic_node): Handle
3302 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
3303 * cgraph.c (cgraph_expand_queue): Rename from
3304 cgraph_analyze_queue. Update all users.
3305 * cgraphunit.c (cgraph_assemble_pending_functions): Process
3306 cgraph_expand_queue.
3307 (cgraph_expand_all_functions): Likewise.
3308 (cgraph_finalize_pending_functions): Remove. Update callers.
3310 * tree.h (OMP_DIRECTIVE_P): Define.
3311 (OMP_PARALLEL_FN): Define.
3312 (OMP_PARALLEL_DATA_ARG): Define.
3313 (OMP_SECTIONS_SECTIONS): Define.
3314 * tree-pass.h (pass_expand_omp): Declare.
3315 * omp-low.c (struct omp_region): Declare.
3316 (struct omp_context): Remove fields 'parallel_type',
3317 'parallel_start_ix' and 'parallel_start_additional_args'.
3319 (struct omp_for_data): Rename from struct expand_omp_for_data.
3320 (omp_regions): New static variable.
3321 (root_omp_region): New static variable.
3322 (find_omp_clause): Make static.
3323 (is_in_combined_parallel_ctx): Remove.
3324 (is_combined_parallel): New.
3325 (extract_omp_for_data): Move earlier in the file.
3326 (workshare_safe_to_combine_p): New.
3327 (get_ws_args_for): New.
3328 (determine_parallel_type): Move earlier in the file.
3329 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
3331 (omp_copy_decl): Likewise.
3332 (create_omp_child_function): Likewise.
3333 (lookup_omp_region): New.
3334 (dump_omp_region): New.
3335 (debug_omp_region): New.
3336 (debug_all_omp_regions): New.
3337 (new_omp_region): New.
3338 (scan_omp_parallel): If parallel_nesting_level > 1, the
3339 directive is nested within another parallel directive.
3340 Set OMP_PARALLEL_FN.
3341 (scan_omp_for): Do not try to handle combined parallel+for
3343 Remove FIXME comment.
3344 (scan_omp_nested): Remove.
3345 (scan_omp_1): Do not call scan_omp_nested when
3346 parallel_nesting_level is > 1.
3347 Do not change the DECL_CONTEXT of local variables found.
3348 (lookup_decl_in_outer_ctx): New.
3349 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
3350 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
3351 (lower_reduction_clauses): Rename from expand_reduction_clauses.
3352 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
3353 If CTX is nested, lookup VAR in the outer context when
3354 building copy assignment.
3355 (lower_send_clauses): Rename from expand_send_clauses.
3356 If CTX is nested, lookup VAR in the outer context when
3357 building copy assignments.
3358 (lower_send_shared_vars): Rename from expand_send_shared_vars.
3359 If CTX is nested, lookup VAR in the outer context when
3360 building copy assignments.
3361 (expand_parallel_call): Rename from build_parallel_call.
3362 Handle combined parallel+workshare cases.
3363 Re-implement to emit code into the CFG.
3365 (expand_omp_parallel): Re-implement to emit code into the CFG.
3366 Call move_sese_region_to_fn to outline the sub-graph
3367 containing the parallel region.
3368 (expand_omp_for_1): Remove.
3369 (expand_omp_for_generic): Re-implement to emit code into the
3371 (expand_omp_for_static_nochunk): Likewise.
3372 (expand_omp_for_static_chunk): Likewise.
3373 (expand_omp_for): Likewise.
3374 (expand_omp_sections): Likewise.
3375 (remove_exit_barriers): New.
3376 (expand_omp_synch): New.
3378 (build_omp_regions_1): New.
3379 (build_omp_regions): New.
3380 (execute_expand_omp): New.
3381 (gate_expand_omp): New.
3382 (pass_expand_omp): Define.
3383 (lower_omp_sections): Rename from expand_omp_sections.
3384 Set OMP_SECTIONS_SECTIONS.
3385 (lower_omp_single_simple): Rename from expand_omp_single_simple.
3386 (lower_omp_single_copy): Rename from expand_omp_single_copy.
3387 (lower_omp_single): Rename from expand_omp_simple.
3388 (lower_omp_master): Rename from expand_omp_master.
3389 (lower_omp_ordered): Rename from expand_omp_ordered.
3390 (lower_omp_critical): Rename from expand_omp_critical.
3391 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
3392 (lower_omp_for): Re-implement.
3393 (lower_omp_parallel): Re-implement.
3394 (lower_regimplify): Rename from expand_regimplify.
3395 (lower_omp_1): Rename from expand_omp_1.
3396 If there are syntax errors in the program, replace every
3397 OpenMP directive with NOP.
3398 Call lower_omp_* instead of expand_omp_*.
3399 (lower_omp): Rename from expand_omp.
3401 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
3402 * tree-gimple.h (enum omp_parallel_type): Remove.
3403 (gimple_boolify): Declare extern.
3404 (find_omp_clause, determine_parallel_type): Remove.
3406 * gimple-low.c (lower_omp_directive): New.
3407 (lower_stmt): Call it.
3408 (record_vars_into): Move from ...
3409 (record_vars): ... here.
3410 Call record_vars_into with current_function_decl.
3412 * gimplify.c (struct gimplify_ctx): Remove fields
3413 combined_pre_p and combined_ctxp. Update users.
3414 (get_formal_tmp_var): Add documentation.
3415 (gimple_boolify): Make extern.
3416 (gimplify_expr_in_ctx): Remove. Update callers.
3417 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
3418 will always be a BIND_EXPR.
3419 (gimplify_expr): Handle OMP_RETURN_EXPR.
3420 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
3421 (OMP_PARALLEL): Add 3 operands.
3422 (OMP_SECTIONS): Add 1 operand.
3423 (OMP_RETURN_EXPR): Define.
3425 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
3426 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
3427 * tree-iterator.c (alloc_stmt_list): Assert that we are not
3428 creating a circular free list.
3429 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
3431 * tree-flow.h (move_sese_region_to_fn): Declare.
3432 (record_vars_into): Declare.
3433 * tree-cfg.c (make_omp_sections_edges): New.
3434 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
3435 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
3436 OMP_SECTIONS and OMP_SECTION.
3437 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
3438 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
3439 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
3440 (gather_blocks_in_sese_region): New.
3441 (struct move_stmt_d): Declare.
3443 (move_block_to_fn): New.
3444 (move_sese_region_to_fn): New.
3446 * passes.c (init_optimization_passes): Schedule
3447 pass_expand_omp after pass_init_datastructures.
3449 * tree-ssa-operands.c (get_expr_operands): Handle
3450 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
3451 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
3453 2006-01-19 Jeff Law <law@redhat.com>
3455 * tree-vrp.c (extract_range_from_assert): Refine the result range
3456 if the variable referenced by the ASSERT_EXPR has a range and
3457 either the tentative result range or the previous range is a
3460 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3462 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
3464 2006-01-19 Jan Hubicka <jh@suse.cz>
3466 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
3468 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
3470 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
3471 (expand_compound_operation, expand_field_assignment): Fail if the
3472 bit lengths of an extract operation are out of range.
3473 (make_extraction): Compute wanted_inner_mode based on the position
3474 and length of the extraction. Make it extraction_mode for non-constant
3475 positions, and do not modify offset in that case. When generating a
3476 new MEM, use a mode that can hold the extraction while keeping correct
3477 alignment. Remove code that supported MEMs wrapped by USEs.
3478 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
3480 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
3482 * config/s390/s390.md ("Y", "y"): New mode attribute.
3483 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3484 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
3485 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
3486 "*addsi3_imm_cc", "*addsi3_carry1_cc",
3487 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
3488 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
3489 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
3490 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
3491 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
3492 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
3493 "addsi3", "subsi3"): Insn patterns removed.
3494 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
3495 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
3496 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
3497 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
3498 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
3499 "*sub<mode>3_cconly2"): New insn patterns.
3500 ("addsi3", "subsi3"): New expanders.
3502 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
3504 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
3505 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
3506 existing STMT_VINFO_VECTYPE if available.
3507 (vect_mark_relevant): Add special handling for stmts that are
3508 marked as STMT_VINFO_IN_PATTERN_P.
3509 (vect_analyze_loop): Call vect_pattern_recog.
3510 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3511 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
3513 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
3514 (vect_recog_func_ptr): New function-pointer type.
3515 * tree-vect-patterns.c: New file.
3516 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
3517 (vect_recog_dot_prod_pattern, vect_pattern_recog):
3518 (vect_pattern_recog_1): New functions.
3519 (vect_pattern_recog_funcs): New array of function pointers.
3521 * tree-vectorizer.h (ternary_op): New enum value.
3522 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
3523 declaration. Revised documentation. Removed redundant dump prints.
3524 Removed redundant argument. Added support for reduction patterns.
3525 (vectorizable_reduction): Added support for reduction patterns.
3526 (vect_transform_stmt): Added support for patterns.
3528 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
3529 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
3530 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
3531 (expand_widen_pattern_expr): New function.
3532 (init_optabs): Initialize new optabs udot_prod_optab,
3534 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
3535 (sdot_prod_optab, udot_prod_optab): Define new optabs.
3536 (expand_widen_pattern_expr): New function declaration.
3537 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
3539 * tree-inline.c (estimate_num_insns_1): Added cases for new
3540 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3541 * tree-pretty-print.c (dump_generic_node): Likewise.
3542 (op_prio): Likewise.
3543 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3544 * tree-ssa-operands.c (get_expr_operands): Added case for
3546 * tree-vect-patterns.c (widened_name_p): New function.
3547 (vect_recog_dot_prod_pattern): Added function implementation.
3548 * tree-vect-transform.c (get_initial_def_for_reduction): Added
3549 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
3550 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
3551 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
3553 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
3554 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
3555 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
3556 (init_optabs): Initialize new optabs widen_ssum_optab,
3558 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
3559 (widen_ssum_optab, widen_usum_optab): Define new optabs.
3560 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
3561 use instead of type of def.
3562 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
3563 function implementation.
3564 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
3565 widen_ssumv8hi): New.
3567 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
3570 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3573 * c-decl.c (add_flexible_array_elts_to_size): New function.
3574 (finish_decl): Use it.
3576 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
3578 * diagnostic.h: Include options.h.
3579 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
3580 dependancies for diagnostic.h.
3581 * Makefile.in (DIAGNOSTIC_H): Add options.h.
3583 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
3585 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
3586 (ssa_ro_call_cache_valid): Ditto.
3587 * tree-ssa-alias.c (sort_tags_by_id): New function.
3588 (init_transitive_clobber_worklist): Ditto.
3589 (add_to_worklist): Ditto.
3590 (mark_aliases_call_clobbered): Ditto.
3591 (compute_tag_properties): Ditto.
3592 (set_initial_properties): Ditto.
3593 (compute_call_clobbered): Ditto.
3594 (compute_may_aliases): Call compute_call_clobbered and grouping.
3595 (compute_flow_sensitive_aliasing): Remove clobbering related code.
3596 (compute_flow_insensitive_aliasing): Grouping now happens in our
3598 (setup_pointers_and_addressables): Remove clobbering related code.
3599 (add_may_alias): Ditto.
3600 (replace_may_alias): Ditto.
3601 (get_nmt_for): Ditto.
3602 (create_global_var):
3603 (is_escape_site): Return an escape_type enumeration.
3604 * tree-flow-inline.h (is_call_clobbered): Global var does not
3605 imply call clobbered.
3606 (mark_call_clobbered): Take a reason for marking this. Remove
3607 marking of globalness, and cache invalidation.
3608 (clear_call_clobbered): Remove cache invalidation code.
3609 * tree-dfa.c (dump_variable): If details is on, dump the reason
3611 * tree-outof-ssa.c (create_temp): Copy escape mask from original
3613 * tree-flow.h (struct ptr_info_def): Add escape mask member.
3614 (struct var_ann_d): Ditto.
3615 (enum escape_type): New.
3616 (mark_call_clobbered): Adjust prototype.
3617 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
3618 are never call clobbered.
3619 Record reasons for escaping.
3620 * tree-ssa-structalias.h (is_escape_site): Update prototype.
3621 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
3622 (ssa_ro_call_cache_valid): Ditto.
3623 (clobbered_v_may_defs): Ditto.
3624 (clobbered_vuses): Ditto.
3625 (ro_call_vuses): Ditto.
3626 (clobber_stats): New.
3627 (init_ssa_operands): Zero out clobber stats.
3628 (fini_ssa_operands): Print out clobber stats.
3629 (get_call_expr_operands): Pass callee fndecl to
3631 (add_call_clobber_ops): Remove use of cache.
3632 Add use of PURE_CONST information.
3633 (add_call_read_ops): Remove use of cache.
3634 Add use of static not_read information.
3636 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
3638 Introduce TLS descriptors for i386 and x86_64.
3639 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
3640 (TARGET_ANY_GNU_TLS): New macro.
3641 (enum tls_dialect): Added TLS_DIALECT_GNU2.
3642 (struct machine_function): Add tls_descriptor_call_expanded_p.
3643 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
3644 (ix86_current_function_calls_tls_descriptor): Likewise.
3645 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
3646 (override_options): Introduce gnu2 tls dialect.
3647 (ix86_frame_pointer_required): Functions containing TLSCALLs are
3649 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
3651 (legitimize_tls_address): Adjust logic for GNU2 TLS.
3652 (ix86_init_machine_status): Initialize new field.
3653 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
3654 (ix86_tls_module_base): New.
3655 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
3656 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
3657 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
3658 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
3659 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
3660 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
3661 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
3662 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
3663 * config/i386/predicates.md (tls_modbase_operand): New.
3664 (tp_or_register_operand): New.
3666 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
3668 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
3669 (look_for_address_of): Ditto.
3670 (ipa_init): Walk the function decls.
3671 (static_execute): Don't set readonly on FUNCTION_DECL's.
3673 2006-01-18 Roger Sayle <roger@eyesopen.com>
3675 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
3676 for shifts where the source and destination registers are different.
3678 2006-01-18 Paul Brook <paul@codesourcery.com>
3680 Merge from csl-arm-branch.
3681 2005-03-14 Julian Brown <julian@codesourcery.com>
3682 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
3683 (aeabi_llsl): Likewise.
3684 (ashrdi3): Likewise.
3685 (aeabi_lasr): Likewise.
3686 (lshrdi3): Likewise.
3687 (aeabi_llsr): Likewise.
3688 2005-03-10 Julian Brown <julian@codesourcery.com>
3689 * config.gcc: Disable shared libgcc for SymbianOS.
3690 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
3692 2006-01-18 DJ Delorie <dj@redhat.com>
3694 * c-pragma.c (handle_pragma_diagnostic): New.
3695 (init_pragma): Register it.
3696 * doc/extend.texi: Document it.
3698 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
3699 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
3700 (diagnostic_context): Add classify_diagnostic[].
3701 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
3702 as errors if they're overridden to DK_WARNING.
3703 (diagnostic_initialize): Initialize classify_diagnostic[].
3704 (diagnostic_set_kind_override): New.
3705 (diagnostic_report_diagnostic): Check for kind changes.
3706 * opts.c (common_handle_option): Take lang_mask. Update callers.
3708 * common.opt (Werror=): New.
3709 * doc/invoke.texi: Document -Werror=*
3711 2006-01-18 Jeff Law <law@redhat.com>
3713 * tree-vrp.c (test_for_singularity): Correct test for new
3714 min limit. Use operand_equal_p rather than pointer equality
3715 for testing if new min/max values are equal.
3717 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
3718 using range information until after propagation and folding.
3720 2006-01-18 Richard Henderson <rth@redhat.com>
3721 Aldy Hernandez <aldyh@redhat.com>
3722 Jakub Jelinek <jakub@redhat.com>
3723 Diego Novillo <dnovillo@redhat.com>
3725 * omp-low.c: New file.
3726 * c-omp.c: New file.
3728 2006-01-18 Richard Henderson <rth@redhat.com>
3729 Jakub Jelinek <jakub@redhat.com>
3730 Diego Novillo <dnovillo@redhat.com>
3732 * doc/invoke.texi: Document -fopenmp.
3733 * tree-dump.h (debug_function): Declare.
3734 * hooks.c (hook_bool_tree_bool_false): New function.
3735 (hook_tree_tree_null): Remove.
3736 (hook_tree_tree_tree_null): New.
3737 * hooks.h: Update to match.
3738 * tree-pretty-print.c (debug_tree_chain): New.
3739 (print_generic_expr): Handle TDF_CHAIN.
3740 (dump_generic_node): Handle BLOCK.
3741 Do not abort with incomplete SWITCH_EXPRs.
3742 Do not dump body of an OpenMP directive if TDF_SLIM is given.
3743 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
3744 print space after directive name.
3745 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
3746 Handle OMP_MASTER and OMP_ORDERED.
3747 Handle printing of OMP_BODY just in one place, goto
3748 dump_omp_body in the rest of OMP_* nodes that have
3750 Don't handle clause nodes here. Update omp statements to
3751 use dump_omp_clauses.
3752 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
3753 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
3754 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
3755 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
3756 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
3757 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
3758 Adjust output for GOMP_PARALLEL.
3759 (dump_omp_clauses): New.
3760 (print_declaration): Dump DECL_VALUE_EXPR.
3761 (op_symbol_1): Split out of op_symbol.
3762 (dumping_stmts): Remove. Update all users.
3763 * cgraph.c (cgraph_analyze_queue): New.
3764 (cgraph_add_new_function): New.
3765 * cgraph.h (cgraph_analyze_queue): Declare.
3766 (cgraph_add_new_function): Declare.
3767 (cgraph_lower_function): Remove.
3768 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
3769 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
3770 and TYPE_P nodes in its default clause.
3771 (empty_body_p): New.
3772 (tree_range_check_failed): New.
3774 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
3775 OMP_CLAUSE_REDUCTION_MERGE,
3776 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
3777 OMP_CLAUSE_PRIVATE_DEBUG,
3778 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
3779 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
3780 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
3781 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
3782 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
3783 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
3784 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
3785 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
3786 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
3787 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
3788 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
3789 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
3790 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
3791 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
3792 (TREE_RANGE_CHECK): New.
3793 (empty_body_p): Declare.
3794 (enum omp_clause_default_kind): New.
3795 (build_string_literal): Declare.
3796 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
3797 (build5_stat, build5): Declare.
3798 * tree-pass.h (TDF_CHAIN): Define.
3799 * tree-pass.h (PROP_gimple_lomp): Define.
3800 (pass_lower_omp): Declare.
3801 * diagnostic.h (debug_tree_chain): Declare.
3802 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
3804 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
3805 * builtins.c (build_string_literal): Make extern.
3806 * gcc.c (include_spec_function): New.
3807 (static_spec_functions): Add it.
3808 (main): Move load of libgomp.spec ...
3809 (LINK_COMMAND_SPEC): ... here.
3810 (link_gomp_spec): New.
3811 (static_specs): Include it.
3812 (LINK_COMMAND_SPEC): Add link_gomp.
3813 (GOMP_SELF_SPECS): New.
3814 (driver_self_specs): Include it.
3815 (switch_matches): Don't mark inline.
3816 (main): Load libgomp.spec.
3817 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
3818 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
3819 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
3820 * tree-gimple.h (enum omp_parallel): Declare.
3821 (determine_parallel_type): Declare.
3822 (omp_firstprivatize_variable): Declare.
3823 (omp_reduction_init): Declare.
3824 (diagnose_omp_structured_block_errors): Declare.
3825 (struct walk_stmt_info): Add want_return_expr.
3826 (struct walk_stmt_info): Add want_bind_expr, want_locations.
3827 (find_omp_clause): Declare.
3828 (insert_field_into_struct): Declare.
3829 (struct walk_stmt_info): Move from tree-nested.c
3830 (walk_stmts): Declare.
3831 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
3833 * cgraphunit.c (cgraph_lower_function): Make static.
3834 (cgraph_finalize_pending_functions): New.
3835 (cgraph_finalize_function): Call it.
3836 (cgraph_finalize_compilation_unit): Likewise.
3837 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
3838 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
3839 (BT_FN_UINT_UINT): New.
3840 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
3841 DEF_FUNCTION_TYPE_VAR_4): Document.
3842 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
3843 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
3844 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
3845 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
3846 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
3847 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
3848 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
3849 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
3850 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
3851 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
3852 into separate files.
3853 (DEF_GOMP_BUILTIN): New.
3854 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
3855 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
3856 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
3857 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
3858 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
3859 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
3860 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
3861 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
3862 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
3863 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
3864 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
3865 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
3866 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
3867 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
3868 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
3869 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
3870 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
3871 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
3872 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
3873 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
3874 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
3875 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
3876 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
3877 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
3878 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
3879 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
3880 * sync-builtins.def: New file, moved from builtins.def.
3881 * omp-builtins.def: New file, moved from builtins.def.
3882 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
3883 * gimple-low.c (lower_function_body): Clear data.
3884 (lower_stmt): Do not handle COMPOUND_EXPR.
3885 Remove call to print_node_brief.
3886 * c-tree.h (c_finish_omp_clauses): New prototype.
3887 (C_DECL_THREADPRIVATE_P): Define.
3888 (lookup_name_no_remap, c_omp_remap_private): Remove
3889 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
3890 (check_for_loop_decls): Update decl.
3891 (lookup_name_no_remap, c_omp_remap_private): Declare.
3892 (build_indirect_ref, build_modify_expr, pushdecl,
3893 pushdecl_top_level): Move to c-common.h.
3894 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
3895 before the switch, but just in the 2 places that need it.
3896 * c-decl.c (diagnose_mismatched_decls): Do not check for
3897 mismatched thread-local attributes when OLDDECL is marked
3898 threadprivate and NEWDECL has no thread-local attributes.
3899 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
3900 (c_gimple_diagnostics_recursively): Rename from
3901 c_warn_unused_result_recursively. Invoke
3902 diagnose_omp_structured_block_errors.
3903 (check_for_loop_decls): Return a singular decl found.
3904 * langhooks.c (lhd_omp_predetermined_sharing): Return
3905 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
3906 (lhd_omp_firstprivatize_type_sizes): New.
3907 (lhd_omp_assignment): New.
3908 (lhd_omp_predetermined_sharing): New.
3909 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
3910 (struct lang_hooks_for_types): Add
3911 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
3912 omp_predetermined_sharing, omp_disregard_value_expr,
3913 omp_private_debug_clause, omp_clause_default_ctor,
3914 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
3915 (c_finish_omp_clauses): New.
3916 (c_finish_bc_stmt): Diagnose break within omp for.
3917 (c_begin_omp_parallel, c_finish_omp_parallel): New.
3918 (build_unary_op): Return error_mark after reporting
3920 (build_modify_expr): Likewise.
3921 * gimplify.c: Include optabs.h and pointer-set.h.
3922 (enum gimplify_omp_var_data): Declare.
3923 (struct gimplify_omp_ctx): Declare.
3924 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
3926 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
3927 (push_gimplify_context, pop_gimplify_context): Allow nesting.
3928 (splay_tree_compare_decl_uid): New.
3929 (new_omp_context): New.
3930 (delete_omp_context): New.
3931 (gimple_add_tmp_var): Call omp_add_variable.
3932 (gimplify_bind_expr): Likewise.
3933 (gimplify_var_or_parm_decl): If omp_notice_variable returned
3934 true, disregard DECL_VALUE_EXPR on the decl if any.
3935 (gimplify_expr_in_ctx): New.
3936 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
3937 omp_add_variable, omp_notice_variable, omp_is_private
3938 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
3939 gimplify_adjust_omp_clauses, gimplify_omp_parallel
3940 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
3941 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
3942 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
3943 gimplify_omp_atomic): New.
3944 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3945 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3946 OMP_CRITICAL and OMP_ATOMIC.
3947 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
3948 * c-pragma.h (enum pragma_kind): Add
3949 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
3950 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
3951 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
3952 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
3953 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
3954 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
3955 PRAGMA_OMP_THREADPRIVATE.
3956 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3957 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3958 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
3959 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
3960 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
3961 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
3962 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
3963 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
3964 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
3965 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
3966 * tree-ssa-dce.c (find_control_dependence): Do not assume that
3967 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
3968 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
3970 (struct nesting_info): Add field_map,
3971 suppress_expansion, debug_var_chain.
3972 (create_nesting_tree): Initialize them.
3973 (lookup_field_for_decl): Use field_map.
3974 (get_nonlocal_debug_decl, get_local_debug_decl): New.
3975 (convert_local_omp_clauses): New.
3976 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
3977 (walk_body): Split out of walk_function.
3978 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
3979 (convert_nonlocal_reference): Handle omp statements.
3980 (convert_local_reference): Likewise.
3981 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
3982 (unnest_nesting_tree): New.
3983 (lower_nested_functions): Call it.
3984 (insert_field_into_struct): Make extern.
3985 (struct walk_stmt_info): Move to tree-gimple.h.
3986 (walk_stmts): Make extern.
3987 * omp-builtins.def: New file.
3988 * tree-iterator.c (expr_only): Clarify comment.
3989 * c-common.h (pushdecl_top_level, pushdecl,
3990 build_modify_expr, build_indirect_ref,
3991 c_finish_omp_master, c_finish_omp_critical,
3992 c_finish_omp_ordered, c_finish_omp_barrier,
3993 c_finish_omp_atomic, c_finish_omp_flush,
3994 c_finish_omp_for, c_split_parallel_clauses,
3995 omp_clause_default_kind, c_omp_sharing_predetermined,
3996 c_omp_remap_decl): Declare.
3997 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
3998 (OBJS-common): Add omp-low.o.
3999 (c-omp.o, omp-low.o): Add.
4000 (gimplify.o): Add dependency on $(OPTABS_H).
4001 (GTFILES): Add omp-low.c.
4002 (gt-stringpool.h): Add.
4003 * tree-cfg.c (set_bb_for_stmt): Do not update the
4004 block-to-labels map if we are currently expanding to RTL.
4005 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
4007 Handle IDENTIFIER_NODE.
4008 (tree_verify_flow_info): Do not ICE when emitting error
4009 messages about invalid labels.
4010 (dump_function_to_file): Reset CFUN before emitting the body
4012 (debug_function): New.
4013 * passes.c (init_optimization_passes): Schedule
4015 * langhooks-def.h (lhd_omp_predetermined_sharing,
4016 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
4018 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
4019 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
4020 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
4021 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
4022 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
4023 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
4024 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
4025 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
4026 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
4027 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
4028 (LANG_HOOK_DECLS): Use them.
4030 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
4031 Richard Henderson <rth@redhat.com>
4032 Jakub Jelinek <jakub@redhat.com>
4033 Diego Novillo <dnovillo@redhat.com>
4035 * c-parser.c (pragma_omp_clause): Define.
4036 (c_parser_declaration_or_fndef): Document OpenMP syntax.
4037 (c_parser_compound_statement): Likewise.
4038 (c_parser_statement): Likewise.
4039 (c_parser_pragma): Handle omp pragmas.
4040 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
4041 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
4042 (c_parser_omp_clause_name, check_no_duplicate_clause,
4043 c_parser_omp_variable_list,
4044 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
4045 c_parser_omp_clause_copyprivate,
4046 c_parser_omp_clause_default,
4047 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
4048 c_parser_omp_clause_lastprivate,
4049 c_parser_omp_clause_nowait,
4050 c_parser_omp_clause_num_threads,
4051 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
4052 c_parser_omp_clause_reduction,
4053 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
4054 c_parser_omp_all_clauses, c_parser_omp_structured_block,
4055 c_parser_omp_atomic, c_parser_omp_barrier,
4056 c_parser_omp_critical, c_parser_omp_flush,
4057 c_parser_omp_for_loop, c_parser_omp_for,
4058 c_parser_omp_master, c_parser_omp_ordered,
4059 c_parser_omp_sections_scope, c_parser_omp_sections,
4060 c_parser_omp_parallel, c_parser_omp_single,
4061 c_parser_omp_construct, c_parser_omp_threadprivate): New.
4062 * c-pragma.c (init_pragma): Do omp pragma registration here.
4063 * c.opt (fopenmp): New flag.
4065 2006-01-18 Eric Christopher <echristo@apple.com>
4067 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
4068 * config/darwin.h (GOMP_SELF_SPECS): Define.
4070 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4072 * rtl.h: Remove the prototype for reg_alloc.
4074 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4077 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
4078 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
4079 sjlj and dwarf2 exception handling.
4080 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
4081 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
4082 * pa/pa.c (function_value): Treat complex and vector types as
4084 (function_arg): Likewise. Only pass scalar floats in the floating
4085 point argument registers.
4086 * pa/t-slibgcc-dwarf-ver: New file.
4087 * pa/t-slibgcc-sjlj-ver: New file.
4088 * pa/t-slibgcc-elf-ver: Delete file.
4090 2006-01-19 Alan Modra <amodra@bigpond.net.au>
4092 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
4093 unlikely_test_section_p test.
4095 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4097 * mode-switching.c (optimize_mode_switching): Make it static.
4098 * basic-block.h: Remove the prototype for
4099 optimize_mode_switching.
4101 * modulo-sched.c (sms_schedule): Make it static.
4102 * rtl.h: Remove the prototype for sms_schedule.
4104 * postreload-gcse.c (gcse_after_reload_main): Make it static.
4105 * rtl.h: Remove the prototype for gcse_after_reload_main.
4107 * reg-stack.c (reg_to_stack): Make it static.
4108 * rtl.h: Remove the prototype for reg_to_stack.
4110 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
4112 * rtl.h: Remove the prototypes for regrename_optimize and
4113 copyprop_hardreg_forward.
4115 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
4117 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
4118 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
4119 Test against the appropriate null constant for the mode.
4120 If 'fixup_overlap' is true, swap the operands if they overlap.
4121 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
4122 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
4123 alpha_split_tmode_pair and adjust for above change.
4124 * config/alpha/alpha.md (movtf_internal): Adjust call to
4125 alpha_split_tfmode_pair and rely on it to swap the operands.
4126 (movti_internal): New insn and post-reload splitter.
4127 (movti): New expander.
4129 2006-01-18 Philippe De Muyter <phdm@macqel.be>
4131 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
4134 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4136 * rtlanal.c (global_reg_mentioned_p_1,
4137 global_reg_mentioned_p): Remove.
4138 * rtl.h: Remove the prototype for global_reg_mentioned_p.
4140 * flow.c (initialize_uninitialized_subregs): Make it static.
4141 * rtl.h: Remove the prototype for
4142 initialize_uninitialized_subregs.
4144 * function.c (instantiate_virtual_regs): Make it static.
4145 * function.h: Remove the prototype for
4146 instantiate_virtual_regs.
4148 * regmove.c (regmove_optimize, combine_stack_adjustments):
4150 * rtl.h: Remove the prototypes for regmove_optimize and
4151 combine_stack_adjustments.
4153 2006-01-17 Roger Sayle <roger@eyesopen.com>
4155 * config/i386/i386.c (COSTS_N_BYTES): New macro.
4156 (size_cost): Encode costs in bytes so that a reg-reg addition is
4157 equivalent to COSTS_N_INSNS(1).
4158 (override_options): Use the size_cost.branch_cost as the default
4159 ix86_branch_cost when optimizing for size.
4161 2006-01-18 Ben Elliston <bje@au.ibm.com>
4163 * Makefile.in (D32PBIT_FUNCS): New.
4164 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
4165 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
4166 D64PBIT_FUNCS and D128PBIT_FUNCS.
4167 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
4168 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
4170 (decnumber_dep): Define.
4171 * doc/libgcc.texi (Decimal float library routines): New node.
4172 * config/dfp-bit.h, config/dfp-bit.c: New files.
4174 2006-01-18 Ben Elliston <bje@au.ibm.com>
4176 * expr.c (emit_move_change_mode): Always adjust addresses, not
4177 just during reload. Copy replacements only during reload.
4178 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
4179 emit_move_via_integer.
4181 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
4183 * Makefile.in (check-%, check-consistency): Use $${srcdir}
4184 instead of $(srcdir) and ${srcdir}.
4186 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
4190 * arm.h (struct machine_function): Add pic_reg.
4191 * arm.c (arm_pic_register): Make unsigned.
4192 (arm_override_options): Only set arm_pic_register if
4193 TARGET_SINGLE_PIC_BASE.
4194 (use_return_insn): Only test for a pic register if it is fixed.
4195 (arm_compute_save_reg0_reg12_mask): Likewise.
4196 (thumb_compute_save_reg_mask): Likewise.
4197 (legitimate_pic_operand): Factor out some known invariants.
4198 (legitimize_pic_address): If we don't have a fixed pic register,
4199 then set up a pseudo in the function entry sequence. Handle the
4200 pic base being in a pseudo.
4201 (arm_load_pic_register): Handle the pic register being in a pseudo.
4202 (arm_expand_prologue): Only set up the pic register if it is fixed.
4203 (thumb_expand_prologue): Likewise.
4204 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
4205 (pic_load_addr_based_insn): Likewise.
4206 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
4209 2006-01-18 Ben Elliston <bje@au.ibm.com>
4211 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
4212 decimal float modes for all floating point registers.
4214 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
4215 match_code "mem" with match_test "macho_lo_sum_memory_operand".
4217 2006-01-17 Jakub Jelinek <jakub@redhat.com>
4220 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
4221 even when the pointer is not NULL.
4223 2006-01-16 Ian Lance Taylor <ian@airs.com>
4225 * common.opt (ftoplevel-reorder): New option.
4226 * cgraph.c (cgraph_asm_nodes): New global variable.
4227 (cgraph_asm_last_node): New static variable.
4228 (cgraph_order): New global variable.
4229 (cgraph_create_node): Set new order field.
4230 (cgraph_varpool_node): Likewise.
4231 (decide_is_variable_needed): Return true if not
4232 flag_toplevel_reorder.
4233 (cgraph_add_asm_node): New function.
4234 * cgraph.h (struct cgraph_node): Add order field.
4235 (struct cgraph_varpool_node): Add order field.
4236 (struct cgraph_asm_node): Define.
4237 (cgraph_asm_nodes, cgraph_order): Declare.
4238 (cgraph_add_asm_node): Declare.
4239 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
4241 (cgraph_varpool_assemble_pending_decls): Call it.
4242 (cgraph_output_pending_asms): New static function.
4243 (cgraph_finalize_compilation_unit): Call it.
4244 (struct cgraph_order_sort): Define.
4245 (cgraph_output_in_order): New static function.
4246 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
4247 !flag_toplevel_reorder case.
4248 * c-parser.c: Include "cgraph.h".
4249 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
4251 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
4252 than -fno-unit-at-a-time.
4253 * doc/invoke.texi (Option Summary): Mention
4254 -fno-toplevel-reorder.
4255 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
4256 -funit-at-a-time documentation.
4258 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
4259 Kazu Hirata <kazu@codesourcery.com>
4261 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
4263 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
4265 * Makefile.in (FUNCTION_H): New. Use it instead of
4266 function.h throughout the file.
4267 * function.h: Include tree.h.
4269 2006-01-17 Ben Elliston <bje@au.ibm.com>
4271 * recog.c: Separate some functions with whitespace.
4273 2006-01-16 Richard Henderson <rth@redhat.com>
4275 Merge from gomp branch:
4276 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
4277 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
4278 and rename from struct inline_data. Rename callee* to dst*;
4279 caller* to src*; add copy_decl hook, transform_call_graph_edges,
4280 transform_new_cfg, transform_return_to_modify, and
4281 transform_lang_insert_block flags; remove cloning_p, versioning_p,
4283 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
4284 (copy_decl_for_dup): Remove.
4285 * tree-inline.c (struct inline_data): Move to header.
4286 (insert_decl_map): Export.
4287 (remap_decl): Update for member name changes. Use copy_decl hook.
4288 Allow for replacement to be a non-decl. Remove dead code.
4289 (remap_type_1): Check for existing mapping.
4290 (remap_type): Export.
4291 (remap_decls): Update for member name changes.
4292 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
4293 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
4294 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
4295 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
4296 (tree_function_versioning, build_duplicate_type): Likewise.
4297 (copy_body_r): Likewise. Export.
4298 (copy_decl_for_dup): Split into ...
4299 (copy_decl_for_dup_finish, copy_decl_to_var,
4300 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
4301 (replace_ref_tree, inlining_p): Remove.
4303 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4305 * ifcvt.c (if_convert): Make it static.
4306 * rtl.h: Remove the prototype for if_convert.
4308 * local-alloc.c (local_alloc): Make it static.
4309 * rtl.h: Remove the prototype for local_alloc.
4311 * loop.c (loop_optimize): Make it static.
4312 * cfgloop.h: Remove the prototype for loop_optimize.
4315 2006-01-16 DJ Delorie <dj@redhat.com>
4317 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
4320 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4322 * pa.md: Disparage copies between general and floating-point registers
4323 in 32-bit move patterns.
4325 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
4328 * Makefile.in (check-%): Depend on site.exp instead of
4329 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
4332 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4334 * global.c (global_alloc): Make it static.
4335 * rtl.h: Remove the prototype for global_alloc.
4337 2006-01-16 Richard Guenther <rguenther@suse.de>
4339 * tree-ssa-alias.c (struct used_part): Add write_only field.
4340 (get_or_create_used_part_for): Initialize it to true.
4341 (create_overlap_variables_for): Don't create structure variables
4342 for structures that only are written to.
4343 (find_used_portions): Handle MODIFY_EXPR to track whether a
4344 structure is only written to.
4346 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4348 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
4350 * basic-block.h: Remove the prototype for
4351 partition_hot_cold_basic_blocks.
4353 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
4355 * cppspec.c (lang_specific_spec_functions): Remove.
4356 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
4357 * gcc.h (lang_specific_spec_functions): Remove.
4358 * gccspec.c (lang_specific_spec_functions): Remove.
4360 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
4362 * combine.c (record_value_for_reg): Invalidate registers
4364 (record_dead_and_set_regs_1): Likewise, by passing them to
4365 record_value_for_reg.
4366 (record_dead_and_set_regs): Invalidate stores made by a
4367 call. We do not combine across a call, but we still
4368 relied on equivalences.
4370 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4372 * tree-vrp.c (extract_range_from_binary_expr): Cope with
4373 vrp_int_const_binop returning non-constant nodes.
4375 2006-01-16 Paul Brook <paul@codesourcery.com>
4377 * config/m68k/m68k.c (output_move_const_into_data_reg):
4378 Output correct mnemonic for mvz and mvs.
4380 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
4382 * rtl-factoring.c: Add sequence abstraction algorithm.
4383 * cfgcleanup.c (outgoing_edges_match): Extra checks.
4384 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
4386 (block_has_preserve_label): New function.
4387 * common.opt: Register new pass.
4388 * Makefile.in: Ditto.
4390 * timevar.def: Ditto.
4391 * tree-pass.h: Ditto.
4392 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
4393 * rtl.h (make_jump_insn_raw): Add forward decl.
4394 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
4396 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4397 Roger Sayle <roger@eyesopen.com>
4399 * fold-const.c (fold_minmax): New static function.
4400 (fold_binary) <MIN_EXPR>: Call it.
4401 <MAX_EXPR>: Likewise.
4402 * stor-layout.c (place_field): Use DECL_SIZE consistently
4403 in the computation of the new record size.
4405 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4407 * cse.c (cse_condition_code_reg): Make it static.
4408 * rtl.h: Remove the prototype for cse_condition_code_reg.
4410 * combine.c (combine_instructions): Make it static.
4411 * rtl.h: Remove the prototype for combine_instructions.
4413 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4416 * tree.c (get_file_function_name_long): Concatenate the first global
4417 object name with a string derived from the input filename of the object
4420 2006-01-16 Ben Elliston <bje@au.ibm.com>
4422 * config/i386/winnt-stubs.c: Update FSF address.
4423 * config/xtensa/ieee754-df.S: Ditto.
4424 * config/xtensa/ieee754-sf.S: Ditto.
4426 2006-01-14 Ian Lance Taylor <ian@airs.com>
4428 * ifcvt.c (noce_init_if_info): New static function, broken out of
4429 noce_process_if_block.
4430 (noce_process_if_block): Call noce_init_if_info.
4431 (check_cond_move_block): New static function.
4432 (cond_move_process_if_block): New static function.
4433 (process_if_block): Call cond_move_process_if_block.
4435 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
4437 * cselib.c (hash_table): Rename to cselib_hash_table.
4438 (cselib_clear_table, discard_useless_values,
4439 remove_useless_values, cselib_lookup_mem, cselib_lookup,
4440 cselib_init, cselib_finish): Adjust uses of hash_table.
4442 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
4444 PR tree-optimization/25485
4445 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
4446 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
4447 is known to be false and true, respectively.
4449 2006-01-14 Richard Guenther <rguenther@suse.de>
4451 PR tree-optimization/22548
4452 PR tree-optimization/22555
4453 PR tree-optimization/22501
4454 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
4455 * params.def (salias-max-array-elements): New parameter.
4456 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
4457 * doc/invoke.texi (salias-max-array-elements): Document.
4458 * tree-flow-inline.h (var_can_have_subvars): We also handle
4460 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
4462 * tree-ssa-structalias.c (params.h): Include.
4463 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
4464 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
4465 (get_constraint_for): For ADDR_EXPR operating on something
4466 containing an ARRAY_REF, add all subvars to the solution.
4467 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
4468 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
4469 for creating MUST_DEFs.
4470 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
4472 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
4474 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
4476 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4477 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4478 number_of_iterations_le): New functions.
4479 (number_of_iterations_special): Removed.
4480 (number_of_iterations_exit): Do not use number_of_iterations_special.
4481 * tree.c (unsigned_type_for): Always return integer type.
4483 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
4484 Richard Guenther <rguenther@suse.de>
4486 PR rtl-optimization/24257
4487 * gcse.c (find_moveable_store): Only consider a store movable
4488 when the SET_SRC of the insn can be assigned to a register.
4490 2006-01-14 Ian Lance Taylor <ian@airs.com>
4492 * tree.c (tree_not_class_check_failed): New function.
4493 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
4494 (tree_not_class_check_failed): Declare.
4496 2006-01-13 Ian Lance Taylor <ian@airs.com>
4498 * reload1.c (do_output_reload): Add assertion rejecting a
4501 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
4503 * combine.c (struct reg_stat): Add new fields truncation_label and
4505 (record_value_for_reg): Reset truncated_to_mode.
4506 (record_truncated_value): New function.
4507 (check_promoted_subreg): Call it. Rename to check_conversions.
4508 (combine_instructions): Rename check_promoted_subreg to
4510 (reg_truncated_to_mode): New function.
4511 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
4512 (gen_lowpart_or_truncate): New function.
4513 (force_to_mode): Use it instead of gen_lowpart.
4515 2006-01-13 Diego Novillo <dnovillo@redhat.com>
4517 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
4518 VAR is a tag, not its type tag.
4520 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
4522 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
4523 alternatives to match style of other entries.
4524 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
4526 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
4528 PR tree-optimization/25771
4529 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
4532 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
4535 * tree-inline.c (declare_return_variable): If the return variable
4536 was marked as a non gimple complex, set the return slot variable
4537 to be a non gimple comple variable.
4539 2006-01-13 Richard Guenther <rguenther@suse.de>
4541 * builtins.c (expand_builtin_sincos): New function.
4542 (expand_builtin_mathfn_3): Remove dead code, sin and cos
4544 (expand_builtin): Expand sincos using expand_builtin_sincos.
4546 2006-01-12 DJ Delorie <dj@redhat.com>
4548 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
4549 shift counts, separate SI shifts for m32c vs m16c, pass shift type
4550 so that constant shifts can be split.
4551 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
4552 (m32c_valid_pointer_mode): Make static.
4553 (shift_gen_func_for): New.
4554 (m32c_prepare_shift): Use it. Split large const shifts into
4556 * config/m32c/predicates.md (shiftcount_operand): Allow more
4558 (longshiftcount_operand): New.
4559 * doc/md.texi (Machine Constraints): Document In6.
4561 2006-01-13 Ben Elliston <bje@au.ibm.com>
4563 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
4564 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
4567 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
4569 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
4570 to try to avoid clobbering pieces of structures when we know
4571 something about the whole structure.
4572 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
4574 2006-01-13 Ben Elliston <bje@au.ibm.com>
4576 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
4577 return in memory, as this is no limitation is no longer present.
4579 2006-01-12 DJ Delorie <dj@redhat.com>
4581 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
4582 mova with fb, and for fb+0 -> An.
4584 * config/m32c/mov.md (peephole2): Fix enabling logic.
4586 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4587 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
4588 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
4589 FINI_ARRAY_SECTION_ASM_OP): Define.
4591 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
4593 (m32c_legitimize_reload_address): New logic to reload FB to An.
4594 (m32c_output_reg_push): Add newline.
4595 (m32c_output_reg_pop): Likewise.
4597 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
4599 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
4601 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
4603 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4605 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4607 * config/sh/predicates.md (sh_rep_vec): Add parallel to
4610 2006-01-11 Ben Elliston <bje@au.ibm.com>
4612 * rtlanal.c (find_reg_note): Assert insn is not null.
4614 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4616 * df-scan.c (df_hard_reg_init): Move declaration of i outside
4619 2006-01-11 Jeff Law <law@redhat.com>
4621 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
4623 (mark_threaded_blocks, register_jump_thread): New functions.
4624 (thread_through_all_blocks): Remove unwanted argument. No
4625 longer rely on e->aux to communicate thread target info.
4626 Call mark_threaded_blocks. Release the threaded_blocks
4627 bitmap and threaded_edges vector when complete.
4628 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
4629 (threaded_blocks): Remove.
4630 (tree_ssa_dominator_optimize): Remove initialization and
4631 finalization of threaded_blocks. Simplify call to
4632 thread_through_all_blocks.
4633 (thread_across_edge): Call register_jump_thread rather than
4634 storing thread information into e->aux.
4635 (free_all_edge_infos): Simplify now that e->aux is no longer
4636 used to communicate with thread_through_all_blocks.
4637 * tree-flow.h (thread_through_all_blocks): Update prototype.
4638 (register_jump_thread): Prototype.
4640 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4642 * df-core.c (df_compact_blocks, df_bb_replace): Use
4643 SET_BASIC_BLOCK instead of BASIC_BLOCK.
4645 2006-01-11 Richard Guenther <rguenther@suse.de>
4647 PR tree-optimization/25734
4648 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
4649 stop propagation after successful propagation to the LHS.
4651 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4653 * basic-block.h (control_flow_graph): Change the type of
4654 x_basic_block_info to VEC(basic_block,gc) *.
4655 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
4657 (SET_BASIC_BLOCK): New.
4658 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
4659 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
4660 * cfgbuild.c (find_basic_blocks): Likewise.
4661 * cfglayout.c (fixup_reorder_chain): Likewise.
4662 * cfgrtl.c (create_basic_block_structure,
4663 rtl_create_basic_block): Likewise.
4664 * ifcvt.c (find_if_case_1): Likewise.
4665 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
4668 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4670 * Makefile.in: Removed rotted odf.c entry.
4672 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
4675 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
4676 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
4677 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
4678 output pattern modifier, not %e.
4679 * config/cris/cris.c (cris_op_str): Update comment about pattern
4681 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
4682 before falling through into...
4683 <case 'E'>: Redefined from old 'e' case.
4685 2006-01-11 Jan Hubicka <jh@suse.cz>
4688 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
4690 2006-01-11 Jan Hubicka <jh@suse.cz>
4692 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
4693 * i386.c (x86_decompose_lea): Kill.
4694 (ix86_rtx_costs): Kill.
4696 2006-01-11 Jan Hubicka <jh@suse.cz>
4698 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
4699 * cgraph.h (cgraph_node): Add inline_decl.
4700 (cgraph_insert_node_to_hashtable): Declare.
4701 (save_inline_function_body): Declare.
4702 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
4704 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
4705 (cgraph_function_versioning): Update call of tree_function_versioning.
4706 (save_inline_function_body): New function.
4707 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
4708 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
4709 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
4710 (cgraph_default_inline_p): Likewise.
4711 (cgraph_decide_inlining_incrementally): Likewise.
4712 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
4713 (copy_bb): Kill saving; do updating of clones.
4714 (copy_cfg_body): Kill saving.
4715 (initialize_inlined-parameters): Likewise.
4716 (expand_call_inline): Likewise.
4718 (tree_function_versioning): New parameter "update_clones".
4719 (inlining_p): Kill saving.
4720 * tree-inline.h (tree_function_versioning): Update prototype.
4721 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
4724 2006-01-11 Ian Lance Taylor <ian@airs.com>
4726 * combine.c (struct undo): Remove is_int. Enumify types of undos.
4727 Allow undoing set of machine mode.
4728 (do_SUBST): Use enums instead of is_int.
4729 (do_SUBST_MODE): New function.
4730 (SUBST_MODE): New macro.
4731 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
4732 reg and trying to replace reg_regno_rtx with a new register.
4733 (undo_all): Use new enums, handle undoing a PUT_MODE change.
4734 (simplify_set): Use SUBST_MODE.
4735 (distribute_notes): Remove code that tried to update reg notes
4736 for regno_reg_rtx changes.
4738 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
4740 PR tree-optimization/23109
4741 PR tree-optimization/23948
4742 PR tree-optimization/24123
4744 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
4745 * tree-cfg.c (single_noncomplex_succ): New.
4746 * tree-flow.h (single_noncomplex_succ): Declare it.
4747 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4748 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4749 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
4750 insert_bb, register_division_in, insert_reciprocals,
4751 replace_reciprocal, free_bb): New.
4752 (execute_cse_reciprocals_1): Rewritten.
4753 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
4754 Do not commit any edge insertion. Always compute dominators and
4755 create the allocation pool.
4756 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
4757 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
4758 * targhooks.c (default_min_divistions_for_recip_mul): New.
4759 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
4760 * passes.c (init_optimization_passes): Run recip after tree loop
4762 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
4764 2006-01-11 Danny Berlin <dberlin@dberlin.org>
4765 Kenneth Zadeck <zadeck@naturalbridge.com>
4767 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
4768 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
4769 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
4770 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
4771 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
4772 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
4773 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
4774 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
4775 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
4776 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
4777 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
4778 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
4779 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
4780 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
4781 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
4782 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
4783 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
4784 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
4785 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
4786 DF_SCAN_POST_ALLOC): New macros.
4787 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
4788 df_free_bb_function, df_local_compute_function, df_init_function,
4789 df_dataflow_function, df_confluence_function_0,
4790 df_confluence_function_n, df_transfer_function,
4791 df_finalizer_function, df_free_function, df_dump_problem_function,
4792 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
4793 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
4794 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
4795 df_urec_bb_info, ) New types.
4796 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
4798 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
4799 df_analyze_simple_change_some_blocks,
4800 df_analyze_simple_change_one_block, df_compact_blocks,
4801 df_bb_replace, df_bb_regno_last_use_find,
4802 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
4803 df_insn_regno_def_p, df_find_def, df_find_use,
4804 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
4805 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
4806 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
4807 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
4808 debug_df_chain, df_get_dependent_problem, df_chain_create,
4809 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
4810 df_grow_bb_info, df_chain_dump, df_print_bb_index,
4811 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
4812 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
4813 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
4814 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
4815 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
4816 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
4817 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
4818 df_ref_remove, df_insn_refs_delete, df_refs_delete,
4819 df_reorganize_refs, df_set_state, df_hard_reg_init,
4820 df_read_modify_subreg_p) New public functions.
4821 * df-core.c: The core dataflow solver and glue routines for rtl
4823 (df_init, df_add_problem, df_set_blocks, df_finish,
4824 df_hybrid_search_forward, df_hybrid_search_backward,
4825 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
4826 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
4827 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
4828 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
4829 df_reg_defined, df_find_use, df_reg_used, df_dump,
4830 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
4831 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
4832 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
4833 debug_df_useno, reset_df_after_reload): New functions.
4834 * df-scan.c: The scanning fuctions, once in df.c, completely
4835 rewritten so that they now fully model the functionality of
4836 register usage at the backend.
4837 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
4838 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
4839 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
4840 df_grow_insn_info, df_rescan_blocks, df_ref_create,
4841 df_get_artificial_defs, df_get_artificial_uses,
4842 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
4843 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
4844 df_refs_delete, df_reorganize_refs, df_set_state,
4845 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
4846 df_def_record_1, df_defs_record, df_uses_record,
4847 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
4848 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
4849 df_record_exit_block_uses, df_hard_reg_init): New functions.
4851 * df-problems.c: Seven concrete dataflow problems that use the
4852 scanning in df-scan.c and are solved by the engine in df-core.c.
4853 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
4854 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
4855 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
4856 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
4857 df_ru_free_bb_info, df_ru_alloc,
4858 df_ru_bb_local_compute_process_def,
4859 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
4860 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
4861 df_ru_transfer_function, df_ru_free, df_ru_dump,
4862 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
4863 df_rd_free_bb_info, df_rd_alloc,
4864 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
4865 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
4866 df_rd_transfer_function, df_rd_free, df_rd_dump,
4867 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
4868 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
4869 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
4870 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
4871 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
4872 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
4873 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
4874 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
4875 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
4876 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
4877 df_urec_mark_reg_change, df_urec_check_earlyclobber,
4878 df_urec_mark_reg_use_for_earlyclobber,
4879 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
4880 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
4881 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
4882 df_urec_dump, df_urec_add_problem, df_chain_alloc,
4883 df_chain_create_bb_process_use, df_chain_create_bb,
4884 df_chain_finalize, df_chain_free, df_chains_dump,
4885 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
4886 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
4887 df_reg_lifetime): New functions.
4888 * df.c: Deleted file.
4889 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
4890 consistent with new df api.
4891 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
4892 rest_of_handle_sms): Ditto.
4893 * web.c (unionfind_union, union_defs, entry_register, web_main):
4895 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
4896 invariant_expr_equal_p, find_defs, check_dependencies,
4897 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
4898 free_inv_motion_data, move_loop_invariants): Ditto.
4899 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
4900 Update dependencies.
4901 (odf.c): Added defective entry that was deleted later in day.
4902 * sched-deps.c (sched_analyze_1): Ditto.
4904 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
4906 * tree-ssa-operands.c (get_expr_operands): Record addressable
4907 variables directly. Do not call add_stmt_operands for CONST_DECLs
4909 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
4910 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
4912 2006-01-11 Ben Elliston <bje@au.ibm.com>
4914 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
4915 function returns true in the positive case.
4917 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4920 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
4921 for SI, DI, SF and DF modes. Add alternatives to copy between
4922 general and floating point registers to the 32-bit patterns.
4923 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
4924 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
4925 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
4926 generating 64-bit code.
4927 * config/pa/pa.c (output_move_double): Handle copies between general
4928 and floating registers.
4930 2006-01-10 Stuart Hastings <stuart@apple.com>
4932 * config/i386/i386.md (set_got): Update.
4933 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
4934 (builtin_setjmp_receiver): Mach-O support.
4935 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
4936 (GOT_SYMBOL_NAME): Define.
4937 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4938 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
4939 * config/i386/i386.c (override_options): Revise for Darwin.
4940 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
4941 support. (darwin_x86_file_end): New. (output_set_got): Add label
4942 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
4943 * config/i386/i386-protos.h (output_set_got): Likewise.
4944 * config/darwin.c (machopic_legitimize_pic_address): Update
4947 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
4949 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
4950 when MODE isn't BLKmode.
4952 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4954 PR rtl-optimization/25367
4955 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
4957 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
4960 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
4961 for a negative bound.
4963 2006-01-10 Richard Guenther <rguenther@suse.de>
4965 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4966 Never override with anything constraint.
4968 2006-01-10 Jan Beulich <jbeulich@novell.com>
4970 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
4971 256 bits when optimize_size.
4973 2006-01-10 Jan Beulich <jbeulich@novell.com>
4975 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
4977 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
4978 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
4981 2006-01-10 Ben Elliston <bje@au.ibm.com>
4983 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
4985 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
4986 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4987 (USE_FP_FOR_ARG): Reject decimal float modes.
4988 (function_arg_advance): Likewise.
4989 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
4990 (rs6000_handle_altivec_attribute): Do not permit decimal floating
4991 point types in AltiVec vectors.
4992 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
4993 (rs6000_libcall_value): Likewise.
4995 2006-01-09 Bob Wilson <bob.wilson@acm.org>
4997 * config/xtensa/ieee754-df.S: New file.
4998 * config/xtensa/ieee754-sf.S: New file.
4999 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
5000 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
5001 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
5003 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
5005 * config/sh/predicates.md (binary_float_operator,
5006 binary_logical_operator, commutative_float_operator,
5007 equality_comparison_operator, greater_comparison_operator,
5008 less_comparison_operator, logical_operator,
5009 noncommutative_float_operator, shift_operator,
5010 symbol_ref_operand, unary_float_operator): Remove redundant
5013 2006-01-09 Jeff Law <law@redhat.com>
5015 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
5016 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
5017 now unused arguments. Callers updated.
5018 (eliminate_redundant_computations): Remove now unused arguments,
5020 (local_fold): Remove, no longer used.
5021 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
5023 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
5024 (simplify_cond): New function.
5025 (forward_propagate_into_cond): Call simplify_cond.
5027 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
5029 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
5030 (*vec_extractv2di_1_sse): New.
5032 2006-01-09 Ben Elliston <bje@au.ibm.com>
5034 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
5036 2006-01-08 Richard Guenther <rguenther@suse.de>
5038 * tree-ssa-structalias.c (get_constraint_for): Remove
5040 (get_constraint_for_component_ref): Likewise.
5041 (do_deref): Likewise.
5042 (get_constraint_for): Likewise.
5043 (do_structure_copy): Likewise.
5044 (handle_ptr_arith): Likewise.
5045 (find_func_aliases): Likewise. Remove unused need_anyoffset
5048 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
5049 Kaz Kojima <kkojima@gcc.gnu.org>
5051 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
5052 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
5053 (EXTRA_CONSTRAINT_C16): Remove.
5054 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
5055 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
5056 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
5057 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
5058 constants of SHmedia. Handle nested constant expressions of
5060 (andcosts): Fix the costs for SHmedia constants.
5061 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
5062 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
5063 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
5064 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
5065 (movv4hi_i, movv2si_i): Likewise.
5066 (movsi_const): Adjust the second operand of ior so to match with
5068 (movdi_const, movdi_const_32bit): Likewise.
5069 (movdi_const_16bit+1): Don't sign-extend LOW.
5070 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
5072 (*double_shori): Fix the split condition. Use GEN_INT instead
5073 of get_int_mode calls. Mask lower 16-bit of the argument of
5075 (sym2GOTPLT): Remove.
5076 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
5078 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
5079 instead of EXTRA_CONSTRAINT_C16.
5081 2006-01-07 Ian Lance Taylor <ian@airs.com>
5082 David Edelsohn <edelsohn@gnu.org>
5084 PR rtl-optimization/25662
5085 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
5086 for constant operands instead of simplify_gen_binary.
5087 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
5088 after trying simplify_binary_operation
5090 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
5092 * tree.c (iterative_hash_expr): Hash decls based on UID.
5094 2006-01-06 Eric Christopher <echristo@apple.com>
5096 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
5097 (TARGET_UNWIND_EMIT): Fix spelling.
5098 * target.h (gcc_target): Add except_table_label.
5099 * except.c (output_function_exception_table): Use.
5100 * varasm.c (default_emit_except_table_label): New.
5101 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
5103 (asm_out): Add here.
5104 * output.h (default_emit_except_table_label): Prototype.
5105 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
5106 * config/darwin.c (darwin_emit_except_table_label): Define.
5107 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
5109 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
5111 PR tree-optimization/18527
5112 * tree-ssa-loop-niter.c (number_of_iterations_cond,
5113 number_of_iterations_special, number_of_iterations_exit):
5114 Move base and step of an iv to a single structure. Add
5115 no_overflow flag, and use it in # of iterations analysis.
5116 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
5117 folded_casts argument.
5118 (simple_iv): Pass base and step in a structure. Set no_overflow
5120 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
5121 Evaluate expensiveness of computing # of iterations instead of
5122 the final expression.
5123 * tree-scalar-evolution.h (affine_iv): New structure.
5124 (simple_iv): Declaration changed.
5125 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
5126 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
5127 find_givs_in_stmt): Changed due to simple_iv change.
5129 2006-01-06 Jeff Law <law@redhat.com>
5132 * tree-cfg.c (bsi_replace): Rename final argument from
5133 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
5134 change (stmt -> orig_stmt).
5135 * tree-eh.c (verify_eh_throw_stmt_node): New function.
5136 (bsi_remove): Add new argument. Remove EH information
5138 (verify_eh_throw_table_statements): New function.
5139 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
5141 * tree-optimize.c (execute_free_cfg_annotations): Verify
5142 the EH throw statement table after removing annotations.
5143 * except.h (verify_eh_throw_table_statements): Prototype.
5144 * tree-flow.h (bsi_remove): Update prototype.
5145 * tree-vrp.c (remove_range_assertions): Add new argument to
5147 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
5148 * tree-complex.c (expand_complex_div_wide): Likewise.
5149 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
5150 * tree-tailcall.c (eliminate_tailcall): Likewise.
5151 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
5152 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
5153 * tree-nrv.c (tree_nrv): Likewise.
5154 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
5155 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
5156 (combine_blocks): Likewise.
5157 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
5158 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
5159 (cleanup_control_flow): Likewise.
5160 (remove_forwarder_block): Likewise.
5161 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
5162 * tree-sra.c (sra_replace): Likewise.
5163 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
5164 (forward_propagate_single_use_vars): Likewise.
5165 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
5166 * tree-inline.c (expand_call_inline): Likewise.
5167 * tree-vect-transform.c (vect_transform_loop): Likewise.
5168 * tree-outof-ssa.c (rewrite_trees): Likewise.
5169 * tree-cfg.c (make_goto_expr_edges): Likewise.
5170 (cleanup_dead_labels): Likewise.
5171 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
5172 (bsi_move_before, bsi_move_after): Likewise.
5173 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
5174 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
5176 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
5179 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
5181 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
5182 on non gimple variables. Also add checks at the top for decls and
5184 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
5186 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
5187 and IMAGPART_EXPR for creating MUST_DEFs.
5188 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
5189 and NAME_MEMORY_TAG separately from the DECLs.
5191 2006-01-06 Richard Guenther <rguenther@suse.de>
5193 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
5194 annotation, if necessary.
5195 * tree-ssa-pre.c (create_expression_by_pieces): Remove
5196 redundant calls to update_stmt.
5197 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
5200 2006-01-05 Richard Henderson <rth@redhat.com>
5202 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
5204 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5206 * c-typeck.c: Update copyright date.
5208 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5210 * c-typeck.c (build_c_cast): Always warn when casting
5211 from a pointer to an integer of different size, even if
5212 the node was constant.
5214 2006-01-05 Richard Guenther <rguenther@suse.de>
5216 PR tree-optimization/22555
5217 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
5218 if one structure field is an array.
5219 * tree-ssa-operands.c (get_expr_operands): Continue scanning
5220 operands even if we found a subvar, but ignore VOPs in this
5222 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
5224 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
5226 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
5229 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
5231 2006-01-05 Richard Guenther <rguenther@suse.de>
5232 Diego Novillo <dnovillo@redhat.com>
5234 * tree-pass.h (TODO_remove_unused_locals): Define.
5235 * gimple-low.c (expand_var_p, remove_useless_vars,
5236 pass_remove_useless_vars): Remove. Update all users.
5237 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
5238 (remove_unused_locals): New function.
5239 * tree-flow.h (remove_unused_locals): Declare.
5240 * passes.c (execute_todo): Call remove_unused_locals if
5241 TODO_remove_unused_locals is set.
5242 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
5243 * tree-ssa-dce.c (pass_dce): Likewise.
5244 * tree-outof-ssa.c (pass_del_ssa): Likewise.
5246 2006-01-05 Richard Guenther <rguenther@suse.de>
5248 * tree-flow.h (struct fieldoff): Decompose field to
5249 type, size and decl.
5250 * tree-ssa-alias.c (create_sft): Take type as parameter.
5251 (create_overlap_variables_for): Store type, size and decl
5252 in the fieldoff structure.
5253 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
5255 (push_fields_onto_fieldstack): Likewise.
5256 (create_variable_info_for): Likewise. Use offset for the
5257 SFT name if the decl is not available.
5259 2006-01-04 Paul Brook <paul@codesourcery.com>
5261 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
5263 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
5265 * lambda-code.c (can_put_in_inner_loop): Relax
5267 (can_put_after_inner_loop): New function.
5268 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
5269 (perfect_nestify): Change to make copies and modify uses.
5271 2006-01-04 Richard Henderson <rth@redhat.com>
5273 Merge from gomp branch:
5274 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
5275 via integer constant.
5276 (pragma_lex): Remove.
5277 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
5278 rather than parsing it.
5279 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
5280 handle_pragma_extern_prefix): Add %< %> quotes.
5281 (registered_pragmas): New.
5282 (c_register_pragma_1): New.
5283 (c_register_pragma): Use it.
5284 (c_register_pragma_with_expansion): Likewise.
5285 (c_invoke_pragma_handler): New.
5286 (init_pragma): Use cpp_register_deferred_pragma directly for
5288 * c-pragma.h (enum pragma_kind): New.
5289 (pragma_handler): New.
5290 (c_invoke_pragma_handler): Declare.
5291 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
5293 * c-common.h (c_common_pch_pragma): Update decl.
5294 * Makefile.in (c-parser.o): Update dependencies.
5295 (GTFILES): Add c-pragma.h.
5296 * c-parser.c (struct c_token): Add pragma_kind.
5297 (struct c_parser): Add in_pragma.
5298 (c_lex_one_token): Always initialize keyword and pragma_kind.
5299 Extract data for CPP_PRAGMA.
5300 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
5301 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
5302 Don't allow CPP_PRAGMA_EOL if in_pragma.
5303 (c_parser_consume_pragma): New.
5304 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
5305 (c_parser_skip_to_end_of_parameter): Likewise.
5306 (c_parser_skip_to_end_of_block_or_statement): Likewise.
5307 (c_parser_skip_to_pragma_eol): New.
5308 (c_parser_external_declaration): Handle CPP_PRAGMA.
5309 (c_parser_compound_statement_nostart): Likewise.
5310 (c_parser_statement_after_labels): Likewise.
5311 (c_parser_pragma): New.
5312 (pragma_lex): Likewise.
5313 (c_parser_pragma_pch_preprocess): New.
5314 (c_parser_new): Merge into ...
5315 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
5317 2006-01-04 Jeff Law <law@redhat.com>
5320 * tree-cfg.c (bsi_replace): Remove the original statement
5321 from the EH throw statement table.
5323 2006-01-04 Jakub Jelinek <jakub@redhat.com>
5325 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
5326 make the prototype extern "C" and add throw ().
5329 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
5330 and pos non-negative and pos + len <= 32.
5331 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
5332 drop pos + len < HOST_BITS_PER_WIDE_INT test.
5333 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
5336 * c-common.c (handle_vector_size_attribute): Reject zero vector size
5337 as well as sizes not multiple of component size.
5340 * function.c (instantiate_expr): New function.
5341 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
5342 walk its DECL_VALUE_EXPR with instantiate_expr.
5344 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
5345 DW_OP_deref{,_size} if address isn't going to be added.
5347 2006-01-04 Ben Elliston <bje@au.ibm.com>
5349 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
5350 * config/fp-bit.c: Likewise.
5352 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
5354 * dominance.c: Add comment about why we use DFS numbering
5357 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5358 Richard Henderson <rth@redhat.com>
5360 Merge from gomp-branch:
5361 * varasm.c (assemble_variable): Handle thread-local COMMON data.
5362 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
5364 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
5366 PR rtl-optimization/25578
5367 * combine.c (combine_simplify_rtx, force_to_mode): Don't
5368 pass a parameter to simplify_shift_const if changing ASHIFTRT
5371 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
5373 * builtins.c (get_builtin_sync_mem): New function.
5374 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
5375 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
5376 Call get_builtin_sync_mem to generate mem rtx.
5378 2006-01-03 Richard Guenther <rguenther@suse.de>
5381 * stmt.c (add_case_node): Make sure to clear overflow flags
5384 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5386 Merge from gomp-branch.
5387 * config/sparc/sync.md: New file.
5388 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
5389 UNSPECV_LDSTUB): New constants.
5390 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
5391 * config/sparc/predicates.md (memory_reg_operand): New predicate.
5392 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
5395 2006-01-03 Roger Sayle <roger@eyesopen.com>
5397 * combine.c (reg_subword_p): New predicate to test whether the
5398 destination of a set refers to a subword/piece of a register.
5399 (try_combine): Generalize the code to merge the setting of a
5400 pseudo to a constant followed by a set of a subword of that
5401 register to a constant.
5403 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
5405 * basic-block.h (control_flow_graph): Change the type of
5406 x_label_to_block_map to VEC(basic_block,gc) *.
5407 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
5408 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
5410 * tree-ssa-propagate.c (cfg_blocks): Change the type to
5411 VEC(basic_block,heap) *.
5412 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
5413 ssa_prop_fini): Adjust the uses of cfg_blocks.
5415 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
5417 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
5419 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
5420 hashing trees instead of a pointer hash.
5421 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
5422 compare for MEM_EXPR.
5424 PR rtl-optimization/25130
5425 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
5426 when comparing MEMs for GCSE
5428 2006-01-03 Ben Elliston <bje@au.ibm.com>
5430 * targhooks.h (default_decimal_float_supported_p): Declare.
5431 * targhooks.c (default_decimal_float_supported_p): Define.
5432 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
5433 `default_decimal_float_supported_p'.
5434 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
5436 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
5438 * combine.c (apply_distributive_law <SUBREG>): Check
5439 TRULY_NOOP_TRUNCATION.
5441 2006-01-02 Geoffrey Keating <geoffk@apple.com>
5443 * dwarf2out.c (have_switched_text_section): Delete.
5444 (have_multiple_function_sections): New.
5445 (have_location_lists): Make 'bool'.
5446 (add_AT_loc_list): Use 'true' not '1'.
5447 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
5448 (output_loc_list): Use have_multiple_function_sections.
5449 (output_ranges): Likewise.
5450 (dwarf2out_begin_function): Set have_multiple_function_sections if
5452 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
5453 Check function_section rather than DECL_SECTION_NAME.
5454 (dwarf2out_finish): Use have_multiple_function_sections.
5455 Don't clear have_location_lists.
5457 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
5458 Jan Hubicka <jh@suse.cz>
5460 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
5461 case of conditional jump jumping to the next instruction.
5462 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
5463 cases of conditional jump jumping to the next instruction.
5465 2006-01-02 Jan Hubicka <jh@suse.cz>
5467 * i386.c (*_cost): Add COSTS_N_INSNS.
5468 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
5470 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
5473 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
5475 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5477 * config/arm/arm.c (all_fpus): Fix comment typo.
5478 * config/darwin.c: Likewise.
5479 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
5480 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
5481 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
5483 2006-01-01 David Edelsohn <edelsohn@gnu.org>
5485 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
5486 (rs6000_split_compare_and_swapqhi): New.
5487 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
5488 (sync_compare_and_swapqhi_internal): New.
5489 * config/rs6000/rs6000-protos.h: Declare.
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