1 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4 * combine.c (simplify_shift_const_1): Disable nested shifts
5 optimization for vector shifts.
7 2006-02-20 Roger Sayle <roger@eyesopen.com>
9 PR tree-optimization/26361
10 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11 of unsigned integer types.
13 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
15 * tree-chrec.c (eq_evolutions_p): New.
16 * tree-chrec.h (eq_evolutions_p): Declared.
17 * tree-data-ref.c: Fix formatting.
18 (datadep_stats, dependence_stats): New.
20 (print_direction_vector): New.
21 (dump_data_dependence_relation): Use print_direction_vector.
22 (object_analysis, create_data_ref): Handle COMPONENT_REF.
23 (compute_subscript_distance): Static.
24 (initialize_data_dependence_relation): Static. Get the number
25 of loops surrounding the references from the callers, and initialize
26 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
27 base_object_differ_p analyzers.
28 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
29 compute_overlap_steps_for_affine_1_2,
30 analyze_subscript_affine_affine): Count the classified dependences.
31 Print a message when a test failed.
32 (can_use_analyze_subscript_affine_affine): New.
33 (analyze_siv_subscript): Compute the data dependences on symbolic
34 scevs that verify can_use_analyze_subscript_affine_affine.
35 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
36 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
37 Handle symbolic scevs.
38 (analyze_overlapping_iterations): Let symbolic affine scevs to be
40 (subscript_dependence_tester): Moved...
41 (build_classic_dist_vector, build_classic_dir_vector): Don't use
42 lambda_vector_clear on newly allocated vectors. Get nb_loops from
43 DDR_SIZE_VECT instead of getting it in parameter.
44 (subscript_dependence_tester): ... here. Take as a parameter
45 loop_nest_depth. Call build_classic_dist_vector and
46 build_classic_dir_vector.
47 (compute_affine_dependence): Update subscript_dependence_tester
48 parameters. Update datadep_stats counters. Call
49 compute_subscript_distance.
50 (compute_self_dependence): Save the dist and dir vectors. Call
51 compute_subscript_distance.
52 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
53 (compute_all_dependences): Reorder parameters as they were before
54 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
55 compute_subscript_distance. Update the use of
56 compute_affine_dependence and initialize_data_dependence_relation.
57 (find_data_references_in_loop): Handle COMPONENT_REF.
58 (compute_data_dependences_for_loop): Initialize dependence_stats.
59 Don't call build_classic_dist_vector and build_classic_dir_vector.
60 Update the parameters of initialize_data_dependence_relation and
61 compute_all_dependences. Print the statistics from datadep_stats.
62 (analyze_all_data_dependences): Static. Not used until the pass for
63 checking the data dependences is contributed.
64 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
65 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
66 (initialize_data_dependence_relation, compute_affine_dependence,
67 analyze_all_data_dependences, compute_subscript_distance): Removed.
68 (print_direction_vector): New.
69 * lambda.h (gcd): ... here.
70 (lambda_vector_gcd): Moved here from gcd_vector.
71 * lambda-code.c (gcd, gcd_vector): Removed.
72 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
73 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
75 2006-02-20 Diego Novillo <dnovillo@redhat.com>
77 * ipa-type-escape.c: Tidy some comments and white space.
78 * tree-ssa-operands.c: Likewise.
80 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
83 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
84 (dump_decl_name): Do not walk the decl tree chains.
85 * tree-pass.h (TDF_CHAIN): Remove.
87 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
89 * Makefile.in (C): Remove
91 (.PHONY): Remove C and PROTO
93 2006-02-20 Roger Sayle <roger@eyesopen.com>
96 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
97 deprecated CHAR_TYPE tree code.
99 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
101 * configure.ac (target_list): Add install-info, dvi, html.
102 * configure: Regenerate.
104 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
105 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
106 treelang/Make-lang.in: Do not use double-colon rules.
108 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
110 * tree.h (struct tree_memory_tag): Add is_used_alone member.
111 (TMT_USED_ALONE): New macro.
112 * tree-pass.h (PROP_tmt_usage): New property.
113 (TODO_update_tmt_usage): New todo.
114 * tree-ssa-alias.c (updating_used_alone): New variable.
115 (recalculate_used_alone): New function.
116 (compute_may_aliases): Set updating_used_alone, call
117 recalculate_used_alone.
118 * tree-sra.c (pass_sra): Note that this pass destroys
119 PROP_tmt_usage, and add TODO_update_tmt_usage.
120 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
121 * tree-flow.h (updating_used_alone): Prototype.
122 (recalculate_used_alone): Ditto.
123 * passes.c (execute_todo): Add code to set updating_used_alone,
124 and call recalculate.
125 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
126 for clobber if used alone, and add assert to verify used_alone
129 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
131 * config/s390/s390.c (legitimize_pic_address): Assertions checking
132 for non tls symbols added.
133 (legitimize_address): Do nothing for PLUS expressions if one of the
134 addends is a tls symbol reference.
136 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
140 * Makefile.in (LDFLAGS): Define from autoconf substitution.
142 * Makefile.in (BOOTSTRAPPING): New.
143 (quickstrap): New definition if BOOTSTRAPPING=yes.
145 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
146 * configure.ac: Substitute all_selected_languages with the languages
147 that were configured. For all the other variables except
148 lang_specs_files, include all the languages in the tree.
149 * configure: Regenerate.
151 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
152 if there is one. Run the commands to run fixincludes in the same
155 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
156 * doc/install.texi: Document exact conventions for searching target tools.
157 Document --with-build-time-tools. Document toplevel bootstrap. Document
158 something more about building an Ada cross-compiler. Don't list GNU Make
159 requirements which affect all platforms.
161 2006-02-19 Roger Sayle <roger@eyesopen.com>
164 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
165 only equivalent if the have both the same mode and precision.
167 2006-02-20 Ben Elliston <bje@au.ibm.com>
169 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
171 2006-02-19 Roger Sayle <roger@eyesopen.com>
172 Steven Bosscher <stevenb.gcc@gmail.com>
174 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
175 constant pool references to identify stack mode constants.
176 * rtlanal.c (constant_pool_constant_p): New predicate to check
177 whether operand is a floating point constant in the pool.
178 * rtl.h (constant_pool_constant_p): Prototype here.
179 * loop.c (scan_loop): Avoid hoisting constants from the constant
180 pool on STACK_REGS targets.
181 (load_mems): Likewise.
182 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
183 loads into x87 registers expensive in terms of register pressure.
185 2006-02-19 Roger Sayle <roger@eyesopen.com>
187 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
188 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
190 2006-02-19 David Edelsohn <edelsohn@gnu.org>
192 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
193 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
195 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
197 * doc/invoke.texi: Document -fipa-pta.
198 * common.opt: Add ipa-pta option.
199 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
200 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
201 (do_ds_constraint): Ditto.
202 (get_constraint_for): Only add to referenced_vars if
203 referenced_vars exists.
204 (insert_into_field_list): Rewrite to do this unsorted.
205 (insert_into_field_list_sorted): Rename old insert_into_field_list
207 (create_function_info_for): Use insert_into_field_list_sorted.
208 (create_variable_info_for): Rewrite so it uses unsorted version,
209 since the field list is sorted.
210 (intra_create_variable_infos): Only add to referenced_vars if
211 referenced_vars exists.
212 (ipa_pta_execute): Init heapvars, and delete when done.
213 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
215 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
217 * doc/install.texi: Add missing `@samp'.
219 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
221 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
224 2006-02-18 Mark Wielaard <mark@klomp.org>
226 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
227 who added new 4.1 features, bug fixes and integration support.
229 2006-02-18 David Edelsohn <edelsohn@gnu.org>
232 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
235 2006-02-18 Richard Sandiford <richard@codesourcery.com>
237 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
238 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
239 (copy_insn_1): Likewise. Don't copy each field individually.
241 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
243 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
244 * rtl.c (rtx_size): Rename variable to...
245 (rtx_code_size): ...this.
246 (rtx_size): New function.
247 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
248 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
250 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
251 * rtl.h (rtx_code_size): New variable.
252 (rtx_size): Change from a variable to a function.
253 (RTX_SIZE): Rename to...
254 (RTX_CODE_SIZE): ...this.
257 PR tree-optimization/17106
258 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
259 (Anchored Addresses): New section.
260 * doc/invoke.texi (-fsection-anchors): Document.
261 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
262 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
263 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
264 * hooks.c (hook_bool_mode_rtx_false): New function.
265 * hooks.h (hook_bool_mode_rtx_false): Declare.
266 * gengtype.c (create_optional_field): New function.
267 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
268 SYMBOL_REF_IN_BLOCK_P is true.
269 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
270 (min_anchor_offset, max_anchor_offset): Likewise.
271 (use_anchors_for_symbol_p): New hook.
272 * toplev.c (compile_file): Call output_object_blocks.
273 (target_supports_section_anchors_p): New function.
274 (process_options): Check that -fsection-anchors is only used on
275 targets that support it and when -funit-at-a-time is in effect.
276 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
277 if the decl doesn't have one.
278 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
279 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
280 of force_const_mem through use_anchored_address.
281 (expand_expr_constant): New function.
282 (expand_expr_addr_expr_1): Call it. Use the same modifier when
283 calling expand_expr for INDIRECT_REF.
284 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
285 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
286 * expr.h (use_anchored_address): Declare.
287 * loop-unroll.c: Don't declare rtx vectors here.
288 * explow.c: Include output.h.
289 (validize_mem): Call use_anchored_address.
290 (use_anchored_address): New function.
291 * common.opt (-fsection-anchors): New switch.
292 * varasm.c (object_block_htab, anchor_labelno): New variables.
293 (hash_section, object_block_entry_eq, object_block_entry_hash)
294 (use_object_blocks_p, get_block_for_section, create_block_symbol)
295 (use_blocks_for_decl_p, change_symbol_section): New functions.
296 (get_variable_section): New function, split out from assemble_variable.
297 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
298 use_blocks_for_decl_p say so. Use change_symbol_section if the
299 symbol has already been created.
300 (assemble_variable_contents): New function, split out from...
301 (assemble_variable): ...here. Don't output any code for
302 block symbols; just pass them to place_block_symbol.
303 Use get_variable_section and assemble_variable_contents.
304 (get_constant_alignment, get_constant_section, get_constant_size): New
305 functions, split from output_constant_def_contents.
306 (build_constant_desc): Create a block symbol if use_object_blocks_p
307 says so. Or into SYMBOL_REF_FLAGS.
308 (assemble_constant_contents): New function, split from...
309 (output_constant_def_contents): ...here. Don't output any code
310 for block symbols; just pass them to place_section_symbol.
311 Use get_constant_section and get_constant_alignment.
312 (force_const_mem): Create a block symbol if use_object_blocks_p and
313 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
314 (output_constant_pool_1): Add an explicit alignment argument.
315 Don't switch sections here.
316 (output_constant_pool): Adjust call to output_constant_pool_1.
317 Switch sections here instead. Don't output anything for block symbols;
318 just pass them to place_block_symbol.
319 (init_varasm_once): Initialize object_block_htab.
320 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
321 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
322 (place_block_symbol, get_section_anchor, output_object_block)
323 (output_object_block_htab, output_object_blocks): New functions.
324 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
325 (TARGET_ASM_OUT): Include it.
326 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
327 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
328 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
329 (TARGET_INITIALIZER): Include them.
330 * rtl.c (rtl_check_failed_block_symbol): New function.
331 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
332 (block_symbol, object_block): New structures.
333 (rtx_def): Add a block_symbol field to the union.
334 (BLOCK_SYMBOL_CHECK): New macro.
335 (rtl_check_failed_block_symbol): Declare.
336 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
337 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
338 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
339 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
340 * output.h (output_section_symbols): Declare.
341 (object_block): Name structure.
342 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
343 (default_use_anchors_for_symbol_p): Declare.
344 * Makefile.in (RTL_BASE_H): Add vec.h.
345 (explow.o): Depend on output.h.
346 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
347 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
348 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
349 (rs6000_use_blocks_for_constant_p): New function.
351 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
353 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
355 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
358 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
361 2006-02-18 Diego Novillo <dnovillo@redhat.com>
363 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
367 2006-02-18 Jakub Jelinek <jakub@redhat.com>
370 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
371 instead of DECL_REGISTER.
373 2006-02-18 Olivier Hainque <hainque@adacore.com>
376 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
378 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
381 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
382 * opth-gen.awk: Handle Var and InverseMask together.
383 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
384 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
385 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
386 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
388 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
389 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
390 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
391 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
392 LINUX_DYNAMIC_LINKER): Define.
393 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
394 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
396 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
397 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
398 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
399 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
400 (TARGET_C99_FUNCTIONS): Don't define.
401 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
402 GLIBC_DYNAMIC_LINKER.
403 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
404 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
405 GLIBC_DYNAMIC_LINKER64): Define.
406 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
407 LINUX_DYNAMIC_LINKER64.
408 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
409 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
410 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
411 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
412 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
413 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
414 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
415 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
416 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
417 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
418 and LINUX_DYNAMIC_LINKER32.
419 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
420 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
421 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
422 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
423 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
425 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
426 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
427 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
428 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
429 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
430 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
431 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
432 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
433 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
434 LINUX_DYNAMIC_LINKER): Define.
435 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
436 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
437 GLIBC_DYNAMIC_LINKER64): Define.
438 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
439 LINUX_DYNAMIC_LINKER64.
440 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
441 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
442 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
443 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
444 LINUX_DYNAMIC_LINKER): Define.
445 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
446 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
447 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
448 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
449 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
450 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
451 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
452 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
453 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
454 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
455 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
456 * doc/invoke.texi (-muclibc): Remove caveat about supported
459 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
461 * doc/cpp.texi (__TIMESTAMP__): Document.
463 2006-02-17 Roger Sayle <roger@eyesopen.com>
466 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
467 C is one less than the width of X (and related transformations).
468 * simplify_rtx.c (simplify_unary_operation_1): Transform
469 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
470 depending on STORE_FLAG_VALUE, were C is one less then the
473 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
475 Fix PR tree-optimization/26341
476 * tree-ssa-operands.c (add_virtual_operand): Remove assert
477 about NAME_MEMORY_TAG's.
479 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
482 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
483 with hardware float support, and software float support. Add fcpy
484 alternative to hardware patterns. Add alternatives to copy between
485 general and floating-point registers to the 32-bit pattern.
486 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
487 secondary reload to load a QI or HI mode constant into a floating
489 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
490 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
492 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
495 * config/rs6000/darwin.md (load_macho_picbase_si): Add
497 (load_macho_picbase_di): Likewise.
499 2006-02-16 Jeff Law <law@redhat.com>
501 * tree-vrp.c (set_value_range_to_nonnegative): New function.
502 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
503 (ssa_name_nonzero_p): Likewise.
504 (get_value_range): Return NULL if VRP is not running.
505 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
506 VRP routines do not discover a range.
507 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
508 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
509 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
510 (tree_expr_nonnegative_p): Similarly.
511 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
512 (restore_nonzero_vars_to_original_value): Remove.
513 (unsafe_associative_fp_binop): Remove.
514 (tree_ssa_dominator_optimize): Remove initialization and
515 finalization of nonzero_vars and nonzero_vars_stack.
516 (dom_opt_initialize_block): No longer push marker on
518 (dom_opt_finalize_block): No longer call
519 restore_nonzero_vars_to_original_value.
520 (record_equivalences_from_phis): No longer look for
521 nonzero PHI arguments.
522 (cprop_into_successor_phis): No longer propagate nonzero
523 property into PHI arguments. Lose unused argument. Caller
525 (record_equivalences_from_stmt): No longer record nonzero
526 values for SSA_NAMEs.
527 (lookup_avail_expr): No longer use nonzero_vars.
529 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
530 for sizetype when sizetype is unsigned.
532 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
534 PR rtl-optimization/25603
535 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
536 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
537 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
538 with new meaning of SETS.
540 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
545 * config/linux.opt: New file.
546 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
547 LINUX_DYNAMIC_LINKER): Define.
548 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
549 * config.gcc (*-*-linux*): Define extra_options.
550 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
551 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
552 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
553 GLIBC_DYNAMIC_LINKER.
554 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
555 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
556 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
557 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
558 * doc/invoke.texi (GNU/Linux Options): New section.
560 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
562 * config/sparc/sparc.md (setjmp): Rewrite.
564 (setjmp_64): Likewise.
566 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
568 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
571 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
573 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
576 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
578 PR rtl-optimization/26296
579 * Makefile.in (loop-invariant.c): Add except.h dependency.
580 * loop-invariant.c: Include except.h.
581 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
583 2005-02-16 Paul Brook <paul@codesourcery.com>
585 * reload1.c (emit_reload_insns): Invalidate dead input registers used
588 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
590 PR rtl-optimization/25636
591 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
592 when deciding whether an insn is an initializing insn.
594 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
596 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
597 (tree_code_size): Ditto.
598 * tree.h (struct tree_memory_tag): Remove parent_var.
599 (struct tree_struct_field_tag): New.
602 (union tree_node): Add sft member.
603 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
605 (create_sft): Add size and offset argument, set SFT_OFFSET and
607 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
608 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
609 * tree-flow-inline.h (get_subvar_at): Update for
611 (var_can_have_subvars): Ditto.
612 (overlap_subvar): Ditto.
613 * print-tree.c (print_node): Print out interesting things for
615 * tree-flow.h (struct subvar): Remove offset and size members.
616 * tree-ssa-operands.c (get_expr_operands): Update for
617 get_indirect_ref_operands changes.
618 (get_indirect_ref_operands): Call add_virtual_operand instead of
619 add_stmt_operand. Only recurse on base var if requested.
620 (access_can_touch_variable): New function.
621 (add_stmt_operand): Split virtual operand handling into ...
622 (add_virtual_operand): Here. Add offset, size, and for_clobber
623 arguments. Prune alias sets.
624 (add_call_clobber_ops): Call add_virtual_operand.
626 2006-02-15 Jakub Jelinek <jakub@redhat.com>
629 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
631 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
632 than TREE_CODE as index into omp_clause_num_ops array.
634 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
636 PR rtl-optimization/26184
637 * modulo-sched.c (generate_reg_moves): Free bitmap vector
639 * modulo-sched.c (sms_schedule): Free g_arr pointer.
640 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
641 must_precede, must_follow and tobe_scheduled.
644 * opts.c (common_handle_option): Free new_option pointer.
645 * df-core.c (df_analyze): Free postorder pointer.
647 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
649 * Makefile.in: Fix the examples about the use of stamps
651 2006-02-15 Michael Matz <matz@suse.de>
655 * stor-layout.c (layout_decl): Zero-width bitfields aren't
656 influenced by maximum_field_alignment or DECL_PACKED.
657 (update_alignment_for_field): Ditto.
658 (place_field): Ditto.
659 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
662 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
664 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
665 (debug_flow_info): Pass it.
666 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
667 * bb-reorder.c (reorder_basic_blocks): Likewise.
668 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
669 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
670 * flow.c (life_analysis, recompute_reg_usage): Likewise.
671 * gcse.c (gcse_main, bypass_jumps): Likewise.
672 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
673 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
674 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
675 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
676 * rtl.h (dump_flow_info): Adjust prototype.
677 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
678 * var-tracking.c (variable_tracking_main): Likewise.
679 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
680 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
683 2006-02-15 Marcin Dalecki <martin@dalecki.de>
685 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
688 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
690 PR tree-optimization/26209
691 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
692 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
694 * tree-cfg.c (replace_uses_by): Do not alter cfg.
696 2006-02-14 Roger Sayle <roger@eyesopen.com>
699 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
700 (X,Y) and the corresponding symmetry related transformations.
701 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
702 (X,Y) and its symmetry related transformations.
704 2006-02-14 Roger Sayle <roger@eyesopen.com>
706 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
709 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
711 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
713 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
716 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
717 support COMDAT group.
718 * configure: Regenerate.
720 2006-02-14 Roger Sayle <roger@eyesopen.com>
725 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
727 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
729 Fix PR tree-optimization/26260
731 * doc/invoke.texi (max-fields-for-field-sensitive): Document
733 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
734 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
735 * tree-ssa-structalias.c (create_variable_info_for): Use
736 MAX_FIELDS_FOR_FIELD_SENSITIVE.
738 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
740 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
742 * tree-ssa-loop-niter.c (number_of_iterations_ne,
743 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
744 of the ending condition.
745 * tree-ssa-loop-manip.c: Include params.h.
746 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
747 tree_unroll_loop): New functions.
748 * tree-pass.h (pass_loop_prefetch): Declare.
749 * loop.c (rest_of_handle_loop_optimize): Test for
750 -fprefetch-loop-arrays-rtl.
751 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
752 * timevar.def (TV_TREE_PREFETCH): New timevar.
753 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
754 pass_loop_prefetch): New.
755 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
756 (cleanup_tree_cfg_loop): Call scev_reset.
757 * common.opt (fprefetch-loop-arrays-rtl): Add.
758 * tree-ssa-loop-prefetch.c: New file.
759 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
760 (new_temp_expr_table): Initialize expr_vars.
761 (free_temp_expr_table): Cleanup expr_vars.
762 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
763 expressions from being merged into one.
764 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
765 (struct tree_niter_desc): Add control, bound and cmp fields.
766 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
768 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
769 (tree-cfgcleanup.o): Add SCEV_H dependency.
770 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
771 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
773 2006-02-14 Richard Guenther <rguenther@suse.de>
775 PR tree-optimization/26258
776 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
777 in PHI argument processing.
779 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
781 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
782 new expression in the requested machine mode.
784 2006-02-13 Roger Sayle <roger@eyesopen.com>
786 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
787 directly, instead let do_compare_rtx_and_jump handle this for us.
788 * expr.c (expand_expr_real_1): Likewise.
789 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
790 before do_jump_by_parts_greater.
791 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
792 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
794 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
796 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
798 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
800 PR rtl-optimization/26235
801 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
802 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
805 2006-02-13 Jeff Law <law@redhat.com>
807 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
810 2006-02-13 Jakub Jelinek <jakub@redhat.com>
813 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
814 twice if decl is a builtin. When trying again, call get_callee_fndecl
815 first to verify it is still a builtin.
817 2006-02-13 Geoffrey Keating <geoffk@apple.com>
819 * dwarf2out.c (base_type_die): Don't add AT_name here.
820 (subrange_type_die): Don't add AT_name here.
821 (modified_type_die): Rearrange code flow. Do add AT_name here.
823 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
825 PR rtl-optimization/26247
826 PR rtl-optimization/26248
827 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
829 2006-02-13 Richard Sandiford <richard@codesourcery.com>
831 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
832 * config/fixtfdi.c: Likewise.
833 * config/fixunstfdi.c: Likewise.
834 * config/floatditf.c: Likewise.
836 2006-02-13 Roger Sayle <roger@eyesopen.com>
839 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
840 into (X,C2) if C1 is a subset of the bits of C2. Transform
841 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
843 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
845 2006-02-13 Josh Conner <jconner@apple.com>
848 * varasm.c (function_section): Check for section name before
849 calling select_section on targets that define
850 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
851 unlikely_text_section instead of hot_function_section if
852 first_function_block_is_cold.
854 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
857 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
859 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
861 PR rtl-optimization/26222
862 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
863 after tree->rtl expansion.
864 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
865 before passing it to emit_move_insn.
867 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
869 * doc/invoke.texi (-Write-strings): Document that it is enabled by
871 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
872 Clarify documentation.
873 * c-common.h (warn_write_strings): Remove.
874 * c-common.c (warn_write_strings): Likewise.
875 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
878 2006-02-12 Roger Sayle <roger@eyesopen.com>
881 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
882 (do_jump_parts_zero_rtx): New function renamed from
883 do_jump_parts_equality_rtx. Made static. Add a mode argument.
884 (do_jump_parts_equality_rtx): New function split out from
885 do_jump_parts_equality. Old implementation renamed as above.
886 Call do_jump_parts_zero_rtx if either operand is zero.
887 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
888 do all of the heavy lifting.
889 (do_compare_rtx_and_jump): Handle multi-word comparisons by
890 calling either do_jump_by_parts_greater_rtx or
891 do_jump_by_parts_equality_rtx.
892 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
893 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
894 moved to do_compare_rtx_and_jump, call it directly.
895 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
896 mode argument. Call do_compare_rtx_and_jump.
897 (emit_case_nodes): Update calls to do_jump_if_equal.
899 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
901 PR rtl-optimization/26225
902 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
904 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
906 PR rtl-optimization/26232
907 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
909 2006-02-11 Jason Merrill <jason@redhat.com>
912 * tree-inline.c (declare_return_variable): Just don't use the
913 modify target if it's a gimple complex reg and the return slot
916 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
918 * doc/contrib.texi: Update my entry.
920 2006-02-10 Geoffrey Keating <geoffk@apple.com>
922 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
924 2006-02-10 Diego Novillo <dnovillo@redhat.com>
926 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
929 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
931 * doc/invoke.texi (-floop-optimize2): Removed.
932 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
933 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
934 Test flag_branch_on_count_reg only if HAVE_doloop_end.
935 * common.opt (floop-optimize2): Removed.
936 (fmove-loop-invariants): Enabled by default.
938 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
940 * tree-if-conv.c (combine_blocks): Free the result of
943 2006-02-10 Jeff Law <law@redhat.com>
945 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
947 PR tree-optimization/26213
948 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
949 loop trying to follow SSA_NAME_VALUE chains.
951 2006-02-10 Richard Guenther <rguenther@suse.de>
953 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
954 deal with structures that end in implicitly variable sized arrays.
956 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
958 PR rtl-optimization/24762
959 * df-scan.c (df_bb_refs_record): Record correct registers defined on
962 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
964 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
965 (struct ivopts_data): Add regs_used field.
966 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
967 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
968 instead of loop_data->regs_used;
969 (free_loop_data): Do not free aux fields for loops.
970 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
971 and tree_ssa_iv_optimize_finalize.
973 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
975 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
977 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
980 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
981 computing the effective result type.
983 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
986 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
987 (tree_overlaps_hard_reg_set): Declare.
988 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
989 type and signature to match function type expected by walk_tree.
990 (tree_overlaps_hard_reg_set): New function.
991 (decl_conflicts_with_clobbers_p): Rename to:
992 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
993 Use tree_overlaps_hard_reg_set. Changed caller.
994 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
995 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
996 * cris.c (cris_md_asm_clobbers): Likewise.
998 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
1000 * reload1.c (emit_input_reload_insns): Delete code that tries to
1001 inherit using find_equiv_reg.
1003 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
1005 * c-common.h (flag_const_strings): Don't declare.
1006 * c-common.c (flag_const_strings): Remove.
1007 * c.opt (fconst_strings): Remove.
1008 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
1009 <OPT_Wwrite_strings>: Don't set flag_const_strings.
1010 (c_common_init_options): Don't set flag_const_strings.
1011 * doc/invoke.texi (-fno-const-strings): Remove documentation.
1013 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
1015 * arm.md (tlobits_cbranch): New pattern.
1016 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
1017 testing a single bit.
1019 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1022 * tree-ssa-pre.c (create_component_ref_by_pieces):
1023 Handle RETURN_DECL like VAR_DECL.
1025 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1028 * fold-const.c (fold_indirect_ref_1): Fold
1029 "*(foo *)&complexfoo" to "__real__ complexfoo"
1030 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
1032 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1034 * tree-flow-inline.h (var_can_have_subvars):
1035 Volatile variables should not have subvariables.
1037 2006-02-09 Diego Novillo <dnovillo@redhat.com>
1040 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
1041 multiplying unsigned values.
1044 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1046 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
1048 2006-02-08 Jason Merrill <jason@redhat.com>
1051 * tree.def: Elaborate on difference from MODIFY_EXPR.
1052 * doc/c-tree.texi (INIT_EXPR): Likewise.
1053 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
1054 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
1055 (gimplify_target_expr): Likewise.
1056 (gimplify_cond_expr): Remove target handling.
1057 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
1058 (gimplify_expr): Clobber it here.
1059 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
1060 Do return slot optimization if we have an INIT_EXPR.
1063 * tree-inline.c (declare_return_variable): Also clear
1064 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
1067 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
1070 * gimplify.c (gimplify_one_sizepos): Fix typo.
1072 2006-02-08 Jeff Law <law@redhat.com>
1074 PR tree-optimization/21417
1075 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
1076 across a backedge if the control statement at the end of the
1077 block is data dependent on other statements in the same block.
1078 (record_temporary_equivalences_from_stmts): Remove over-conservative
1079 test for threading across backedges.
1081 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
1082 control statement, handle all three special cases in the same
1083 manner as they all have the same desired solution. No longer
1084 special case edge flag updating when the post dominator is
1087 2006-02-08 Roger Sayle <roger@eyesopen.com>
1089 * tree.def (CHAR_TYPE): Remove.
1090 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
1091 * dwarf2out.c (base_type_die, is_base_type): Likewise.
1092 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
1093 (gen_string_type_die): Delete unreachable function.
1095 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
1096 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
1097 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
1098 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
1099 * builtins.c (type_to_class): Likewise.
1100 * fold-const.c (fold_convert, build_range_check,
1101 merge_ranges): Likewise.
1102 * expr.c (count_type_elements): Likewise.
1103 * c-pretty-print.c (pp_c_type_specifier): Likewise.
1104 * stor-layout.c (layout_type): Likewise.
1105 * ipa-type-escape.c (type_to_consider): Likewise.
1106 * gimplify.c (omp_firstprivatize_type_sizes,
1107 gimplify_type_sizes): Likewise.
1108 * explow.c (promote_mode): Likewise.
1109 * tree-sra.c (is_sra_scalar_type): Likewise.
1110 * varasm.c (output_constant): Likewise.
1111 * tree-inline.c (remap_type_1): Likewise.
1112 * convert.c (convert_to_pointer, convert_to_real,
1113 convert_to_integer, convert_to_complex): Likewise.
1115 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
1117 * df-scan.c (df_def_record_1): A set destination may
1118 be a parallel regardless of mode.
1120 2006-02-08 Roger Sayle <roger@eyesopen.com>
1123 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
1124 * config/mips/_tilib.c: Remove.
1125 * config/fixtfdi.c: New libgcc source file.
1126 * config/fixunstfdi.c: New source file.
1127 * config/floatditf.c: New source file.
1128 * config/floatunditf.c: New souce file.
1129 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1130 files above instead of config/mips/_tilib.c.
1131 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1133 2006-02-08 Jeff Law <law@redhat.com>
1135 PR tree-optimization/26169
1136 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
1139 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
1141 * df.h (DF_REG_SIZE): Return the length of the initialized
1144 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
1146 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
1147 __muldf3): Return a correctly signed zero.
1149 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
1151 * passes.c (register_one_dump_file): Accept the current properties
1152 instead of pass number. Adjust call to dump_register. Remove
1154 (register_dump_files): Now a wrapper around...
1155 (register_dump_files_1): ... this one. Do not modify the pass
1157 (next_pass_1): Cosmetic fix.
1158 (execute_todo): Keep second parameter only. Use curr_properties
1159 instead of fetching it from the pass structure. Check and set
1161 (execute_one_pass): Handle TODO_set_props. Use curr_properties
1162 instead of fetching it from the pass structure. Fix calls to
1163 execute_todo. Update curr_properties and initialize .vcg RTL dump
1164 after running the pass. Reset last_verified.
1165 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
1167 (FIRST_AUTO_NUMBERED_DUMP): New.
1168 (dump_register): Remove "num" parameter, assign it within the
1170 (get_dump_file_name): Modify template for dumps.
1171 * tree-dump.h (dump_register): Adjust prototype.
1172 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
1173 (PROP_trees): Add PROP_gimple_lomp.
1174 (TODO_set_props): New.
1175 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
1176 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
1177 * cfgexpand.c (pass_expand): Destroy PROP_trees.
1179 2006-02-08 Jakub Jelinek <jakub@redhat.com>
1181 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
1182 (sparc64-*-linux*): Likewise.
1183 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
1184 * config/sparc/t-linux: New file.
1185 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
1186 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
1187 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
1188 -m32 -mlong-double-128.
1190 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
1191 * config/alpha/t-linux: New file.
1192 * config/alpha/libgcc-alpha-ldbl.ver: New file.
1194 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
1195 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
1196 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
1197 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
1198 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
1199 (CPP_ARCH32_SPEC): Remove.
1201 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
1203 PR tree-optimization/26145
1204 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
1207 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1210 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
1211 >= 240000 when generating code for SOM runtime.
1212 (output_indirect_call): Don't use "b,l" instruction for indirect calls
1213 to $$dyncall when generating code for SOM runtime..
1215 2006-02-07 Dirk Mueller <dmueller@suse.com>
1218 * doc/invoke.texi (-Wsequence-point): Update documentation
1219 that -Wsequence-point is implemented for C++ as well.
1221 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1223 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
1224 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
1225 (LIB_SPEC): Likewise.
1226 * doc/invoke.texi (SPARC options): Document -pthread.
1228 2006-02-07 Geoffrey Keating <geoffk@apple.com>
1230 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
1233 2006-02-07 Roger Sayle <roger@eyesopen.com>
1235 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
1236 Correct comment describing BOOLEAN_TYPE.
1238 2006-02-07 Dirk Mueller <dmueller@suse.com>
1240 * c.opt: C++ frontend supports -Wdiv-by-zero.
1241 * c-opts.c (c_common_handle_option): Remove dead case.
1243 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1245 * configure.ac (TLS assembler check): Do not enable TLS by
1246 default on SPARC/Solaris before version 10.
1247 * configure: Regenerate.
1249 2006-02-07 David Edelsohn <edelsohn@gnu.org>
1251 * doc/invoke.texi (xl-compat): Document conversion and support
1254 2006-02-07 Jeff Law <law@redhat.com>
1256 * tree-vrp.c (find_conditional_asserts): Update comments.
1257 (simplify_stmt_for_jump_threading): New.
1258 (identify_jump_threads, finalize_jump_threads): New.
1259 (vrp_finalize): Call identify_jump_threads.
1260 (execute_vrp): Call finalize_jump_threads.
1261 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
1262 (vrp_element, vrp_data, vrp_element_p): Remove.
1263 (vrp_hash_elt, vrp_variables_stack): Remove.
1264 (vrp_hash, vrp_eq, record_range): Remove.
1265 (simplify_cond_and_lookup_avail_expr): Remove.
1266 (extract_range_from_cond): Remove.
1267 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
1268 (simplify_stmt_for_jump_threading): New.
1269 (dom_thread_across_edge): New wrapper.
1270 (tree_ssa_dominator_optimize): No longer initialize or
1271 finalize any of the VRP datastructures. Remove iteration
1272 step and simplify as a result of removal of iteration step.
1273 (pass_dominator): Perform a cfg cleanup after DOM.
1274 (dom_opt_finalize_block): Use the new common routines
1275 for threading jumps. Simplify stack management slightly.
1276 No longer need to unwind VRP state.
1277 (record_equivalences_from_incoming_edge): No longer record
1279 (eliminate_redundant_computations): No longer call
1280 simplify_cond_and_lookup_avail_expr.
1281 * tree-flow.h (potentially_threadable_block): Prototype.
1282 (thread_across_edge): Likewise.
1283 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
1284 (tree-ssa-threadedge.o): Add dependencies.
1285 * tree-ssa-threadedge.c: New file.
1286 * passes.c (init_optimization_passes): Merge PHIs before
1287 calling VRP. Run VRP again late in the SSA optimization pipeline.
1289 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1291 * df-core.c (df_set_blocks): Do not dereference function pointers.
1292 (df_finish1): Likewise.
1293 (df_hybrid_search_forward): Likewise.
1294 (df_hybrid_search_backward): Likewise.
1295 (df_iterative_dataflow): Likewise.
1296 (df_analyze_problem): Likewise.
1297 (df_compact_blocks): Likewise.
1298 (df_dump): Likewise.
1299 * df-scan.c (df_rescan_blocks): Likewise.
1300 (df_record_entry_block_defs): Likewise.
1302 * genconditions.c (write_conditions): Guard the definition of
1303 'insn_conditions' with the check on GCC version.
1304 (write_writer): Guard the traversal 'insn_conditions' with
1305 the check on GCC version.
1307 2006-02-07 Richard Guenther <rguenther@suse.de>
1311 2006-01-30 Richard Guenther <rguenther@suse.de>
1313 * gimplify.c (gimplify_target_expr): Handle easy cases
1314 without creating a temporary.
1316 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
1318 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
1319 use of float in probability computations. Use edge probabilities
1320 in place of statically computed probabilities.
1321 (min_spec_prob): New static variable.
1322 (schedule_insns): Initialize it.
1323 (GET_SRC_PROB): Removed.
1324 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
1326 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
1329 * config/ia64/unwind-ia64.c: Revert last change.
1330 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
1331 (INCOMING_FRAME_SP_OFFSET): Define.
1333 2006-02-06 Roger Sayle <roger@eyesopen.com>
1335 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
1337 2006-02-07 Ben Elliston <bje@au.ibm.com>
1339 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
1340 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
1341 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
1342 (ix86_return_in_memory): Handle TDmode.
1343 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
1344 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
1346 2006-02-06 Richard Sandiford <richard@codesourcery.com>
1348 * reorg.c (dbr_schedule): Use dump_file instead of file.
1350 2006-02-06 Steve Ellcey <sje@cup.hp.com>
1353 * config/ia64/predicates.md (extr_len_operand): New predicate.
1354 * config/ia64/ia64.md (extv): Tighten constraints.
1356 (*tbit_and_2): Ditto.
1357 (*tbit_and_3): Ditto.
1358 (*tbit_or_2): Ditto.
1359 (*tbit_or_3): Ditto.
1363 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
1366 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
1368 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
1370 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
1371 loop_optimizer_init and loop_optimizer_finalize
1372 * tree-ssa-sink.c (execute_sink_code): Ditto.
1373 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1374 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
1375 tree_ssa_loop_done): Ditto.
1376 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
1377 * sched-ebb.c: Include output.h.
1378 (schedule_ebbs): Do not use dump argument.
1379 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
1380 * loop.c (loop_dump_stream): Removed.
1381 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
1383 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
1384 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
1385 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
1386 loop_iterations, strength_reduce, record_biv, record_giv,
1387 final_giv_value, check_final_value, check_ext_dependent_givs,
1388 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
1389 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
1390 dump_file instead of loop_dump_stream.
1391 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
1393 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
1395 * flow.c (life_analysis, rest_of_handle_life): Ditto.
1396 * haifa-sched.c: Include output.h
1397 (schedule_insns, sched_init): Do not use dump argument.
1398 * mode-switching.c (optimize_mode_switching): Ditto.
1399 * modulo-sched.c (stats_file): Removed.
1400 (print_node_sched_params): Do not call argument dump_file.
1401 (sms_schedule_by_order, loop_canon_p, sms_schedule,
1402 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
1404 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
1406 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
1407 rtl_loop_init, rtl_loop_done): Ditto.
1408 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
1409 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
1411 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
1412 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
1413 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
1414 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
1415 * emit-rtl.c (renumber_insns): Ditto.
1416 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
1417 expand_gimple_basic_block, tree_expand_cfg): Ditto.
1418 * regclass.c (regclass): Ditto.
1419 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
1420 remove_ssa_form, rewrite_out_of_ssa): Ditto.
1421 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
1422 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
1424 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
1425 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
1427 * gcse.c (gcse_file, debug_stderr): Removed.
1428 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
1429 rest_of_handle_gcse): Do not use dump argument.
1430 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
1431 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
1432 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
1433 compute_code_hoist_vbeinout, compute_code_hoist_data,
1434 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
1435 compute_store_table, build_store_vectors, insert_insn_start_bb,
1436 insert_store, remove_reachable_equiv_notes, replace_store_insn,
1437 store_motion): Use dump_file instead of gcse_file.
1438 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
1439 * profile.c (profile_dump_file): Removed.
1440 (branch_prob): Use dump_file instead of profile_dump_file.
1441 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
1443 * tree-ssa-copy.c (dump_copy_of): Ditto.
1444 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
1445 dump file to life_analysis.
1446 * bt-load.c (branch_target_load_optimize): Ditto.
1447 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
1449 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
1450 regclass, dbr_schedule): Declaration changed.
1451 * sched-int.h (sched_init): Declaration changed.
1452 * tree-profile.c (tree_profile_dump_file): Removed.
1453 (tree_profile_hooks): Removed profile_dump_file hook.
1454 * rtl-profile (rtl_profile_dump_file): Removed.
1455 (rtl_profile_hooks): emoved profile_dump_file hook.
1456 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
1458 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
1459 * tree-cfg.c (build_tree_cfg): Ditto.
1460 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
1461 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
1462 Declaration changed.
1463 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
1464 life_analysis and schedule_insns.
1465 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
1467 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
1469 * config/mips/mips.c (mips_reorg): Ditto.
1470 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
1473 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
1475 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1476 (s390_mangle_fundamental_type): New.
1477 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1480 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1481 (alpha_mangle_fundamental_type): New.
1482 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1485 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1487 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1489 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1490 (sparc_mangle_fundamental_type): New.
1492 2006-02-06 Jakub Jelinek <jakub@redhat.com>
1494 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
1495 (s390x-*-linux*): Likewise.
1496 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
1497 * config/s390/t-linux: New file.
1499 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1501 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
1502 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
1504 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
1506 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
1507 (ANTIC_SAFE_LOADS): New macro.
1508 (find_or_generate_expression): Add prototype.
1509 (set_contains_value): Allow null set for sake of not always having
1510 to allocate ANTIC_SAFE_LOADS.
1511 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
1512 Allow COMPONENT_REF too.
1513 (valid_in_set): Allow COMPONENT_REF.
1514 Check ANTIC_SAFE_LOADS too.
1515 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
1516 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
1518 (can_PRE_operation): Add COMPONENT_REF.
1519 (create_component_ref_by_pieces): New function.
1520 (create_expression_by_pieces): Use create_component_ref_by_pieces.
1521 (insert_aux): Move AGGREGATE_TYPE_P check here.
1522 (compute_avail): Set bb local stmt uids.
1523 (pass_pre): Use TODO_update_ssa_only_virtuals.
1525 2006-02-06 Ben Elliston <bje@au.ibm.com>
1527 * configure.ac: Unconditionally disable decimal float by default.
1528 * configure: Regenerate.
1530 2006-02-06 Ben Elliston <bje@au.ibm.com>
1532 * read-rtl.c (read_name): Terminate reading on EOF.
1534 2006-02-06 Ben Elliston <bje@au.ibm.com>
1536 * dfp.c (decimal_real_arithmetic): Change second argument type
1537 from int to enum tree_code. Do not always return true, but now
1538 return result of any call to decimal_do helper functions.
1539 * dfp.h (decimal_real_arithmetic): Update prototype.
1541 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
1543 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
1545 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
1548 * tree-cfg.c (cleanup_dead_labels): Also don't remove
1551 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1553 * tree-vrp.c (cfg_loops): Removed.
1554 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
1555 Use current_loops instead of cfg_loops. Pass flags to
1556 loop_optimizer_init.
1557 * cfgloopmanip.c (fix_loop_structure): Update only available
1559 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
1560 loop_optimizer_init.
1561 * modulo-sched.c (build_loops_structure): Removed.
1562 (sms_schedule): Use loop_optimizer_init.
1563 * loop-init.c (loop_optimizer_init): Use flags to determine
1564 which properties of loops to prepare.
1565 (rtl_loop_init): Pass flags to loop_optimizer_init.
1566 * tree-ssa-sink.c (execute_sink_code): Ditto.
1567 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1568 * tree-ssa-pre.c (init_pre): Ditto.
1569 * cfgloop.h (LOOPS_NORMAL): New.
1570 (loop_optimizer_init): Declaration changed.
1572 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1574 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
1575 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
1577 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
1579 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
1581 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
1582 * pa/t-pa64: Delete quadlib.c rule.
1583 * pa/x-ada: Revert last change.
1584 * pa/t-pa: Revert last change. Delete quadlib.c rule.
1586 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1588 PR rtl-optimization/26087
1589 * rtlanal.c (canonicalize_condition): Do not cross basic block
1592 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
1595 * config/ia64/ia64.c: Include debug.h.
1596 (MAX_ARTIFICIAL_LABEL_BYTES): New.
1597 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1598 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1599 (process_epilogue, process_set, process_for_unwind_directive):
1600 Output unwind info only if requested. Add CFA info if requested.
1601 Add new arguments as needed. Adjust callers.
1602 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1604 (DWARF2_FRAME_INFO): Define to zero.
1605 * config/ia64/unwind-ia64.c: Remove code that compensated for
1606 the CFA offset error fixed above.
1607 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1608 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1609 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1610 -funwind-tables and -fexceptions to enable frame info.
1611 (dwarf2out_frame_init): Define initial CFA even if
1612 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
1613 DWARF2_UNWIND_INFO is nonzero, not just defined.
1614 (dwarf2out_frame_finish): Output non-EH call frame info only
1615 if DWARF2_FRAME_INFO is nonzero.
1616 (convert_cfa_to_loc_list,
1617 compute_frame_pointer_to_cfa_displacement): Define even if
1618 unwind info is not supported.
1619 (gen_subprogram_die): Use the above unconditionally. Remove
1620 legacy alternate code.
1621 * toplev.c (compile_file): Compile in call to
1622 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1623 (lang_dependent_init): Ditto for dwarf2out_frame_init.
1625 2006-02-04 David Edelsohn <edelsohn@gnu.org>
1626 Jakub Jelinek <jakub@redhat.com>
1628 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1629 IBM extended float format long double as "g" on powerpc*-linux.
1631 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1634 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1635 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1637 2006-02-03 Jason Merrill <jason@redhat.com>
1640 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1643 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1644 on the return slot if it's an NRV.
1646 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
1648 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1649 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1650 rewrite_use): Do not handle USE_OUTER.
1651 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1652 add_iv_outer_candidates, may_replace_final_value,
1653 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1654 (find_interesting_uses_op): Functionality of
1655 find_interesting_uses_outer_or_nonlin moved here.
1656 (find_interesting_uses_outside): Use find_interesting_uses_op.
1658 2006-02-03 Alan Modra <amodra@bigpond.net.au>
1661 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1663 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
1664 Ulrich Weigand <uweigand@de.ibm.com>
1667 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1668 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1669 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1670 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
1672 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1673 (s390_rtx_costs): Use the new fields to calculate rtx costs.
1674 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1675 Define secondary reloads for TFmode moves.
1676 (constant_modes): Add TFmode.
1677 (NR_C_MODES): Set to 8.
1678 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1680 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1681 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1682 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
1683 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1684 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
1685 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1686 (FPR mode macro): Add TFmode.
1687 (DSF mode macro): New.
1688 (<de>, <dee> mode attributes): Removed.
1689 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1690 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
1691 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
1692 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
1693 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
1694 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1695 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1696 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1697 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1698 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1699 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1700 "*negabs<mode>2", "sqrt<mode>2"):
1701 Changed <de> to <xde>. R constraint replaced by <Rf>.
1702 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1704 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1705 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1706 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1708 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1709 "extenddftf2", "extendsftf2"): New expanders.
1710 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1711 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1712 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1713 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1715 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1716 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1717 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1718 __floatditf): Add a GCC_4.1.0 symbol version tag.
1719 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1722 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1725 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1726 Use targetm.binds_local_p instead of TREE_PUBLIC.
1728 2006-02-02 Roger Sayle <roger@eyesopen.com>
1730 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1731 on INTEGER_TYPEs to indicate that it denotes a character type.
1732 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1733 signed_char_type_node, unsigned_char_type_node and char_type_node.
1734 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1735 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
1736 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1738 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1739 Daniel Berlin <dberlin@dberlin.org>
1741 * tree-tailcall.c (arg_needs_copy_p): New function.
1742 (eliminate_tail_call): Use arg_needs_copy_p.
1743 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1744 (add_virtual_phis): New function.
1746 2006-02-02 Jakub Jelinek <jakub@redhat.com>
1748 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1749 #ignore instead of #scratch for %g7 .register directive.
1751 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
1753 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1756 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1758 * flow.c (calculate_global_regs_live): Assert that there aren't any
1761 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
1763 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1765 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1766 bsi_after_labels iterator.
1767 * tree-if-conv.c (find_phi_replacement_condition,
1768 replace_phi_with_cond_modify_expr): Likewise.
1769 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1770 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1772 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1774 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1776 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1779 * tree-cfg.c (move_block_to_fn): Clear out the basic block
1780 array after growing it.
1782 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1785 * fold-const.c (fold_checksum_tree): Change type of buf.
1787 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
1789 * reload.c (push_secondary_reload): Initialize t_icode.
1791 2006-02-01 Jakub Jelinek <jakub@redhat.com>
1793 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1794 -msoft-float -mlong-double-128 only issue a warning, but don't
1795 swich to DFmode long double.
1797 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
1799 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1800 has a constant equivalent, iterate over equivalents for arg0,
1801 calling simplify_relational_operation and if there's a result
1802 cheaper than X, apply fold_rtx and return the result.
1804 2006-02-01 Jan Hubicka <jh@suse.cz>
1806 * opts.c (no_unit_at_a_time_default): New global variable.
1807 (decode_options): Use it.
1808 * opts.h (no_unit_at_a_time_default): Declare.
1810 2006-02-01 Paul Brook <paul@codesourcery.com>
1812 * function.c (assign_parm_setup_reg): Use function argument promotion
1814 * expr.c (expand_expr_real_1): Use function argument promotion rules
1817 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1819 * gcc.c (process_command): Change j to 'unsigned int'.
1821 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1824 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1825 Use the corrected index for the character
1826 out of the string constant.
1828 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1830 * mode-switching.c (optimize_mode_switching): Fix size
1831 allocated for bb_info[n_entities].
1833 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1835 * gcc.c (main): Correct type that is allocated for
1836 explicit_link_files.
1838 2006-01-31 Jakub Jelinek <jakub@redhat.com>
1840 * config/s390/s390.c (init_alignment_context): Set
1841 ALIAS_SET_MEMORY_BARRIER on the MEM.
1842 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
1844 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
1847 * loop-unroll.c (unroll_loop_runtime_iterations): Free
1849 * tree-ssa-live.c (type_var_init): Allocate bitmap after
1852 2006-01-31 Marcin Dalecki <martin@dalecki.de>
1854 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
1855 * regrename.c: Ditto.
1856 * tree-ssa-loop-im.c: Ditto.
1857 * tree-dump.c: Ditto.
1858 * tree-complex.c: Ditto.
1859 * genrecog.c: Ditto.
1860 * tree-ssa-threadupdate.c: Ditto.
1862 * java/class.c: Ditto.
1863 * java/jcf-parse.c: Ditto.
1864 * java/resource.c: Ditto.
1865 * java/except.c: Ditto.
1866 * java/jvspec.c: Ditto.
1867 * java/jcf-write.c: Ditto.
1868 * java/jcf-path.c: Ditto.
1869 * java/gjavah.c: Ditto.
1870 * java/zextract.c: Ditto.
1871 * java/jcf-io.c: Ditto.
1872 * java/jcf.h: Ditto.
1873 * java/buffer.c: Ditto.
1874 * java/lang.c: Ditto.
1875 * java/parse-scan.y: Ditto.
1876 * java/lex.c: Ditto.
1877 * java/lex.h: Ditto.
1878 * cfgloopmanip.c: Ditto.
1879 * postreload-gcse.c: Ditto.
1880 * tree-ssa-loop-manip.c: Ditto.
1881 * postreload.c: Ditto.
1882 * tree-ssa-loop-ch.c: Ditto.
1886 * diagnostic.c: Ditto.
1888 * genoutput.c: Ditto.
1890 * cfghooks.c: Ditto.
1891 * cfgloopanal.c: Ditto.
1892 * objc/objc-act.c: Ditto.
1894 * genextract.c: Ditto.
1895 * genautomata.c: Ditto.
1896 * pretty-print.c: Ditto.
1898 * cgraphunit.c: Ditto.
1901 * haifa-sched.c: Ditto.
1902 * dominance.c: Ditto.
1904 * tree-ssa-loop-ivopts.c: Ditto.
1906 * mode-switching.c: Ditto.
1907 * modulo-sched.c: Ditto.
1909 * ipa-pure-const.c: Ditto.
1911 * fix-header.c: Ditto.
1913 * tree-stdarg.c: Ditto.
1914 * ipa-utils.c: Ditto.
1915 * loop-init.c: Ditto.
1916 * ipa-inline.c: Ditto.
1919 * alloc-pool.c: Ditto.
1920 * dwarf2out.c: Ditto.
1922 * genattrtab.c: Ditto.
1923 * tree-ssa-loop-ivcanon.c: Ditto.
1927 * fortran/gfortranspec.c: Ditto.
1929 * local-alloc.c: Ditto.
1930 * langhooks.c: Ditto.
1931 * function.c: Ditto.
1932 * tree-vectorizer.c: Ditto.
1934 * ipa-type-escape.c: Ditto.
1936 * tree-if-conv.c: Ditto.
1939 * tree-data-ref.c: Ditto.
1940 * loop-unroll.c: Ditto.
1941 * treelang/treetree.c: Ditto.
1944 * ggc-common.c: Ditto.
1946 * coverage.c: Ditto.
1948 * tree-cfgcleanup.c: Ditto.
1949 * tree-ssa-pre.c: Ditto.
1950 * cfgcleanup.c: Ditto.
1951 * loop-invariant.c: Ditto.
1953 * ipa-prop.c: Ditto.
1954 * print-tree.c: Ditto.
1955 * conflict.c: Ditto.
1956 * ggc-page.c: Ditto.
1957 * sched-deps.c: Ditto.
1958 * regclass.c: Ditto.
1959 * tree-object-size.c: Ditto.
1961 * bb-reorder.c: Ditto.
1962 * resource.c: Ditto.
1963 * var-tracking.c: Ditto.
1965 * df-problems.c: Ditto.
1966 * reg-stack.c: Ditto.
1969 * sched-rgn.c: Ditto.
1970 * tree-ssa-structalias.c: Ditto.
1971 * tree-ssa-reassoc.c: Ditto.
1972 * config/darwin-c.c: Ditto.
1973 * config/darwin.c: Ditto.
1974 * config/arm/arm.c: Ditto.
1976 * collect2.c: Ditto.
1979 2006-01-31 Nicolas Pitre <nico@cam.org>
1981 * arm.md (smaxsi3): Make aware of smax_m1.
1984 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
1986 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1988 2006-01-31 Richard Guenther <rguenther@suse.de>
1990 * doc/invoke.texi (-msselibm): Document.
1991 * target.h (expand_library_builtin): New target hook.
1992 * builtins.c (expand_builtin): Use expand_library_builtin.
1993 (default_expand_library_builtin): New function.
1994 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1995 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1996 (link_gcc_math_spec): Declare.
1997 (static_specs): Add link_gcc_math_spec.
1998 * expr.h (default_expand_library_builtin): Declare.
1999 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2000 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2001 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2002 * config/i386/i386.opt (msselibm): New target option.
2003 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2004 (ix86_init_sse_abi_builtins): New function.
2005 (ix86_expand_library_builtin): Likewise.
2006 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2007 (override_options): Handle error conditions wrt -msselibm.
2008 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2009 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2010 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2013 2006-01-31 Richard Guenther <rguenther@suse.de>
2014 Paolo Bonzini <bonzini@gnu.org>
2016 * doc/install.texi (--disable-libgcc-math): Document.
2018 2006-01-30 Marcin Dalecki <martin@dalecki.de>
2020 * expr.h (expand_normal): new inline function.
2021 * builtins.c: use it, use EXPAND_NORMAL explicitely.
2023 * dwarf2out.c: use it.
2028 * config/sparc/sparc.c: use it.
2029 * config/i386/i386.c: use it.
2030 * config/rs6000/rs6000.c: use it.
2031 * config/arm/arm.c: use it.
2032 * config/mips/mips.c: use it.
2033 * stmt.c: use it, use EXPAND_NORMAL explicitely.
2035 2006-01-30 Roger Sayle <roger@eyesopen.com>
2037 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
2038 argv to the appropriate type.
2040 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
2042 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
2045 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
2048 * config/s390/s390.c (struct machine_function): New flag
2049 decomposed_literal_pool_addresses_ok_p.
2050 (s390_reorg): Set it before final stage of literal pool transforms.
2051 (s390_decompose_address): Only accept displacements of the form
2052 (minus (label_ref ...) (label_ref ...)) if that flag is set.
2054 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
2056 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
2057 the comparison routine return.
2059 2006-01-30 Michael Matz <matz@suse.de>
2061 * global.c (find_reg): Only evict for global regs.
2062 Take n_refs into account and dump more info.
2064 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
2067 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
2068 (pragma_trap, pragma_nosave_low_regs): Likewise.
2069 (current_function_anonymous_args): Likewise.
2070 (sh_deferred_function_attributes): New variable.
2071 (sh_deferred_function_attributes_tail): Likewise.
2072 (print_operand): For '@', look up trap_exit attribute.
2073 (calc_live_regs): Look up trapa_handler attribute. For trapa
2074 handlers, save/restore fpscr, but don't do any other
2075 interrupt-specific saves.
2076 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
2077 Fix check for partially saved registers to check for SHmedia.
2078 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
2079 (sh_output_function_epilogue): Don't clear any of the removed
2081 (sh_insert_attributes): Don't check pragma_interrupt.
2082 Insert deferred attributes. Check that interrupt attribute is
2083 present for other attributes that require its presence.
2084 (sh_attribute_table): Add new attributes trapa_handler and
2086 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
2087 Don't check for pragma_interrupt. Don't store argument.
2088 * sh.h (pragma_interrupt, sp_switch): Don't declare.
2089 (sh_deferred_function_attributes): Declare.
2090 (sh_deferred_function_attributes_tail): Likewise.
2091 * sh.md (sp_switch_1): Add operand. Change generator caller.
2092 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
2093 (*return_i): Don't use when trap_exit attribute is in effect.
2094 (*return_trapa): New insn pattern.
2096 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
2097 setting c_target_objs and cxx_target_objs.
2098 * t-sh: Add rule for sh-c.o.
2100 2006-01-30 Richard Guenther <rguenther@suse.de>
2103 * gimplify.c (gimplify_target_expr): Handle easy cases
2104 without creating a temporary.
2106 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
2108 * vec.h (safe_grow): Remove duplicated line.
2110 2006-01-29 Diego Novillo <dnovillo@redhat.com>
2113 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
2114 (expand_omp): ... here.
2115 (expand_omp_parallel): Only remove barriers for combined
2116 parallel+workshare constructs.
2118 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
2122 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2123 * tree.c (build_qualified_type): Chain the new type to the original
2124 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2125 a POINTER_TYPE or a REFERENCE_TYPE respectively.
2126 (build_pointer_type_for_mode): Only return unqualified types.
2127 (build_reference_type_for_mode): Likewise.
2129 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
2131 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
2132 * Makefile.in (CXX_COMPAT_WARN): Define.
2133 * configure: Regenerate.
2135 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
2138 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
2141 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2143 * toplev.c: Fix thinko.
2145 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2146 Marcin Dalecki <martin@dalecki.de>
2148 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
2149 (push_srcloc): Use XNEW.
2150 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
2152 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2154 * df-core.c (df_set_blocks): Deleted all variable.
2156 2006-01-28 Ian Lance Taylor <ian@airs.com>
2158 * cgraphunit.c (cgraph_assemble_pending_functions): Call
2159 cgraph_output_pending_asms.
2161 2006-01-28 Zack Weinberg <zackw@panix.com>
2163 * c.opt: Add -W(no-)overlength-strings.
2164 * doc/invoke.texi: Document it.
2165 * c-opts.c (c_common_handle_option): -pedantic implies
2166 -Woverlength-strings, if not explicitly disabled already.
2167 (c_common_post_options): -Woverlength-strings defaults to off, and
2168 is always off for C++.
2169 * c-common.c (fix_string_type): Issue warning about strings longer
2170 than is portable only if warn_overlength_strings. Rearrange code
2171 a little for clarity.
2172 * configure.in: Check for -Wno-overlength-strings as well before
2173 enabling -pedantic in stage 1.
2174 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
2175 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
2177 * genconditions.c (write_header, write_one_condition)
2178 (write_conditions, write_writer): Consolidate very long strings
2179 that were broken up to fit in C89 portable limit. Don't use
2180 printf when fputs will do.
2182 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
2184 * combine.c (simplify_comparison <AND>): Check
2185 TRULY_NOOP_TRUNCATION before start using a subreg.
2187 * config/mips/mips.md (*branch_zero<mode>,
2188 *branch_zero<mode>_inverted, *branch_equality<mode>,
2189 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
2190 Remove mode check from comparisons.
2192 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
2194 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
2196 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2198 * expmed.c (const_mult_add_overflow_p): Remove.
2199 * expr.h: Remove the prototype for const_mult_add_overflow_p.
2201 * recog.c (validate_replace_rtx_subexp): Remove.
2202 * recog.h: Remove the prototype for
2203 validate_replace_rtx_subexp.
2205 * integrate.h: Remove the prototype for
2206 copy_decl_for_inlining.
2207 * rtl.h: Remove the prototype for mark_constant_function.
2208 * tree-vectorizer.h: Remove the prototype for
2209 vect_strip_conversion.
2211 * modulo-sched.c (create_partial_schedule,
2212 free_partial_schedule, reset_partial_schedule): Make them
2215 * hooks.c (hook_bool_rtx_int_false): Remove.
2216 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
2218 2006-01-28 David Edelsohn <edelsohn@gnu.org>
2220 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2221 and -mlong-double-128 are incompatible.
2222 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
2223 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
2224 (TARGET_LIBGCC2_CFLAGS): Define.
2225 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
2226 (TARGET_LIBGCC2_CFLAGS): Same.
2227 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
2229 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2232 * c-typeck.c (build_binary_op): Perform implicit casts of
2233 operands before shortening them.
2235 * cfgloopmanip.c (split_loop_bb): Remove.
2236 * cfgloop.h: Remove the prototype for split_loop_bb.
2238 * cfgloop.c (flow_loop_outside_edge_p): Remove.
2239 * cfgloop.h: Remove the prototype for
2240 flow_loop_outside_edge_p.
2242 * emit-rtl.c (init_virtual_regs): Make it static.
2243 * function.h: Remove the prototype for init_virtual_regs.
2245 * recog.c (peephole2_optimize): Make it static.
2246 * recog.h: Remove the prototype for peephole2_optimize.
2248 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2250 * df-scan.c (df_record_entry_block_defs): Check if
2251 INCOMING_RETURN_ADDR_RTX is defined.
2253 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
2254 Kenneth Zadeck <zadeck@naturalbridge.com>
2256 PR rtl-optimization/24762
2257 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2258 * targhooks.c (hook_void_bitmap): New hook prototype.
2259 * targhoohs.h (hook_void_bitmap): Ditto.
2260 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
2261 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
2262 * target.h (live_on_entry): New function pointer.
2263 * df-scan.c (df_all_hard_regs): Removed.
2264 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
2265 (df_scan_free_internal): Added df->entry_block_defs.
2266 (df_scan_alloc): Ditto.
2267 (df_scan_dump): Ditto.
2268 (df_uses_record): Plumbed flag field properly thru calls.
2269 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
2270 This part fixes PR24762.
2271 (df_bb_refs_record): Added code to make the frame and arg
2272 pointers live in EH blocks.
2273 (df_refs_record): Added call to df_record_entry_block_defs.
2274 (df_record_entry_block_defs): New function.
2275 * df-core.c: Added comments to describe new artifical defs.
2276 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
2277 (entry_block_defs): New field in struct df.
2278 (df_all_hard_regs): Deleted.
2279 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2280 * df-problems.c (df_ru_bb_local_compute_process_def):
2281 Added code to handle artifical defs in the entry to a function.
2282 (df_ru_bb_local_compute): Ditto.
2283 (df_rd_bb_local_compute_process_def): Ditto.
2284 (df_rd_bb_local_compute): Ditto.
2285 (df_lr_bb_local_compute): Ditto.
2286 (df_ur_bb_local_compute): Ditto.
2287 (df_urec_bb_local_compute): Ditto.
2288 (df_chain_create_bb): Ditto.
2289 (df_ur_local_finalize): Removed entry.
2290 (df_urec_init): Ditto.
2291 (df_urec_local_finalize): Ditto.
2292 (df_ri_bb_compute): Added detection of last use of pseudos.
2293 * Makefile.in (df-scan.o): Updated dependencies.
2294 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
2295 * config/mips/mips.c (mips_set_live_on_entry): Added.
2296 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
2298 * dce.c (marked_insn_p): Added code to handle artifical defs.
2300 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2302 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
2304 (_mm_cvtsi128_si64): Likewise.
2305 (_mm_cvtsd_si64): Likewise.
2306 (_mm_cvttsd_si64): Likewise.
2307 (_mm_cvtsi64_sd): Likewise.
2308 (_mm_cvtsi64_si128): Likewise.
2309 * config/i386/mmintrin.h (_m_from_int64): Likewise.
2310 (_mm_cvtsi64_m64): Likewise.
2311 (_m_to_int64): Likewise.
2312 (_mm_cvtm64_si64): Likewise.
2313 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
2314 (_mm_cvttss_si64): Likewise.
2315 (_mm_cvtsi64_ss): Likewise.
2316 (_mm_cvtss_f32): Likewise.
2318 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
2320 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
2321 for pragma redefine_extname.
2323 2006-01-27 Jakub Jelinek <jakub@redhat.com>
2326 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
2327 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
2328 -mno-minimal-toc to previous content.
2329 (bispecs): Remove goal.
2330 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
2331 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
2332 compatibility aliases on powerpc-*-*gnu*.
2333 * config/rs6000/libgcc-ppc-glibc.ver: New file.
2334 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
2335 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
2336 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
2337 (ldblspecs): New goal.
2338 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
2339 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
2341 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
2342 L_sf_to_tf or L_df_to_tf is defined.
2344 2006-01-27 David Edelsohn <edelsohn@gnu.org>
2345 Alan Modra <amodra@bigpond.net.au>
2348 * config/rs6000/linux.h (POWERPC_LINUX): Define.
2349 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
2350 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
2351 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
2352 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
2353 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
2354 (rs6000_override_options): Initialize rs6000_ieeequad.
2355 Initialize TFmode format to ibm_extended_format if not
2357 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
2359 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
2360 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
2361 (function_arg_advance): IBM long double passed in two FPRs, not
2363 (function_arg): IBM long double passed in FPRs.
2364 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
2365 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
2366 Only multireg GPR aligned.
2367 (rs6000_init_libfuncs): Enable IBM long double functions if not
2369 (rs6000_generate_compare): Use IBM long double compare if not
2371 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
2372 (TARGET_IEEEQUAD): Define.
2373 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
2374 not TARGET_IEEEQUAD.
2375 * config/rs6000/rs6000.md: Enable TFmode patterns if
2377 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
2378 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2379 and -mlong-double-128 are incompatible.
2380 * doc/invoke.texi (-mabi): Collect options together. Add
2381 ibmlongdouble and ieeelongdouble.
2383 2006-01-27 Richard Sandiford <richard@codesourcery.com>
2385 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
2387 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
2388 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
2389 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
2390 * rtl.h (rtunion_def): Remove rt_ptr.
2392 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
2393 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
2394 * config/i386/winnt.c (i386_pe_mark_dllexport)
2395 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
2397 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
2399 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
2401 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2405 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
2406 pthread_key_delete. From John David Anglin. gthrw-ify
2407 pthread_getunique_np only if it it's not a macro. Delete
2409 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
2410 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
2411 __gthread_objc_condition_signal, __gthread_key_delete): Add
2412 "__attribute__ ((__unused__))" to unused arguments.
2413 (__gthread_recursive_mutex_init_function): Add missing return.
2414 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
2415 gthr-posix95.h: Use macro-based approach for name redirection
2416 on targets missing weakref.
2418 2006-01-26 Zack Weinberg <zackw@panix.com>
2420 * genconditions.c (write_header): In generated code, #ifdef out
2421 all includes and fake declarations, except includes of bconfig.h
2422 and system.h, unless GCC_VERSION >= 3001. Do not include
2423 gensupport.h in any case.
2424 (write_conditions): Generate a definition of struct c_test. Add
2425 a comment to the generated #endif.
2426 (write_one_condition): Escape backslashes in string too.
2427 (write_writer): Generated code must escape backslashes and quote
2428 marks (but not newlines) in the strings it writes.
2429 * Makefile.in (build/gencondmd.o): Update dependencies.
2431 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2434 * Makefile.in (insn-automata.o): Add header file dependencies.
2435 * genautomata.c: Add includes.
2437 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2440 * Makefile.in (insn-automata.o): Add -Wno-error flag.
2442 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2444 * configure.ac: Expect target tools paths to be passed from the toplevel
2445 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
2447 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
2449 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2452 * c.opt (Wpointer-sign): Init to -1.
2453 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
2454 OPT_pedantic, to 0 otherwise.
2455 * doc/invoke.texi: Update.
2457 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2459 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
2460 constants provided by 80387 instructions in the destination mode.
2462 2006-01-26 Richard Guenther <rguenther@suse.de>
2463 Andrew Pinski <pinskia@physics.uc.edu>
2466 partial PR tree-opt/17064
2467 * tree-ssa-structalias.c (intra_create_variable_infos):
2468 Create heap variables for incoming parameters if
2469 flag_argument_noalias > 1.
2470 (find_what_p_points_to): Look through default defs of
2473 2006-01-26 Jeff Law <law@redhat.com>
2476 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
2477 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
2478 within the VR_RANGE, use the VR_RANGE as the result, not the
2480 (adjust_range_with_scev): Reject ranges from SCEV which are out of
2481 bounds for the type.
2483 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
2485 * tree-ssa-alias.c (maybe_create_global_var): Change
2486 subvar walking to an assertion that we don't have subvar'd variables.
2488 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
2491 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
2492 Use a new variable, inner. PARM_DECLs are always non-weak.
2494 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
2496 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
2499 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
2501 * config/mips/mips.md (*clear_upper32): New combiner pattern.
2503 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
2505 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
2506 (smax_insn, smin_insn, smax_0, smin_0): New.
2508 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
2511 * config/cris/cris.c (cris_order_for_addsi3): New function.
2512 * config/cris/cris-protos.h: Prototype it.
2513 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
2514 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
2515 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
2516 (split for "op.S1 [rx=rx+i],ry (swapped)")
2517 (split for "op(s|u).S1 [rx=rx+i],ry")
2518 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
2519 Apply cris_order_for_addsi3 when generating addsi3 insns.
2521 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2523 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
2524 (TREE_BLOCK): Add call to EXPR_CHECK.
2526 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2529 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
2530 * tree-pretty-print.c (dump_omp_clause): Extract from ...
2531 (dump_omp_clauses): ... here.
2532 (dump_generic_node): Handle OMP_CLAUSE.
2533 * tree.c (omp_clause_num_ops): New.
2534 (omp_clause_code_name): New.
2535 (tree_code_size): Handle OMP_CLAUSE.
2536 (tree_size): Likewise.
2537 (make_node): Document handling of OMP_CLAUSE.
2538 (tree_node_structure): Handle OMP_CLAUSE.
2539 (omp_clause_check_failed): New.
2540 (omp_clause_range_check_failed): New.
2541 (omp_clause_operand_check_failed): New.
2542 (build_omp_clause): New.
2543 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
2544 * tree.h (enum omp_clause_code): Declare.
2545 (OMP_CLAUSE_SUBCODE_CHECK): Define.
2546 (OMP_CLAUSE_RANGE_CHECK): Define.
2547 (OMP_CLAUSE_ELT_CHECK): Define.
2548 (omp_clause_check_failed): Declare.
2549 (omp_clause_operand_check_failed): Declare.
2550 (omp_clause_range_check_failed): Declare.
2551 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
2552 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
2553 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
2554 (OMP_CLAUSE_LASTPRIVATE): Likewise.
2555 (OMP_CLAUSE_IF_EXPR): Likewise.
2556 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
2557 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
2558 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
2559 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
2560 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
2561 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
2562 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
2563 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
2564 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
2565 (OMP_CLAUSE_CODE): Define.
2566 (OMP_CLAUSE_SET_CODE): Define.
2567 (OMP_CLAUSE_CODE): Define.
2568 (OMP_CLAUSE_OPERAND): Define.
2569 (struct tree_omp_clause): Declare.
2570 (union tree_node): Add field 'omp_clause'.
2571 * treestruct.def (TS_OMP_CLAUSE): Define.
2572 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
2573 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
2574 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
2575 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
2576 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
2577 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
2578 (OMP_CLAUSE): Define.
2579 * print-tree.c (print_node): Handle OMP_CLAUSE.
2580 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
2581 * c-typeck.c: Likewise.
2582 * gimplify.c: Likewise.
2583 * c-omp.c: Likewise.
2584 * tree-nested.c: Likewise.
2585 * tree-inline.c: Likewise.
2586 * c-parser.c: Likewise.
2587 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2590 2006-01-25 Roger Sayle <roger@eyesopen.com>
2592 PR rtl-optimization/25703
2593 * combine.c (try_combine): Handle zero_extract and strict_low_part
2594 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2596 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
2598 * global.c: Fix comment typos.
2600 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
2603 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2604 Use output_addr_const instead of assemble_name.
2606 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
2608 * Makefile.in (sched-vis.o): Update dependencies.
2609 * haifa-sched.c (sched_finish): Clear current_sched_info.
2610 * cfg.c (dump_bb_info): New, split from dump_flow_info.
2611 (dump_flow_info): Call it.
2612 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2614 * basic-block.h (dump_bb_info): Declare.
2615 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2616 option, and apply options only for dump files whose TDF_RTL,
2617 TDF_TREE, or TDF_IPA bits match.
2618 * rtl.h: Declare new functions exported from sched-vis.c.
2619 * sched-vis.c: Enable also if scheduling is not used.
2620 (print_value): Print the mode of registers if not inside scheduling.
2621 (print_insn): Make it work outside the scheduler. Beautify the output
2623 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2625 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2627 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2628 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2629 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2630 depending on the value of CONSTANT_POOL_ADDRESS_P.
2631 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2633 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2634 rather than SYMBOL_REF_DECL.
2635 (rtx_constant_pool): Remove const_rtx_sym_htab.
2636 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2637 (init_varasm_status): Don't initialize const_rtx_sym_htab.
2638 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2639 Remove handling of const_rtx_sym_htab.
2640 (find_pool_constant): Delete.
2641 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2642 rather than find_pool_constant.
2643 (get_pool_constant_for_function): Delete.
2644 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2646 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2647 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2648 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2649 (SYMBOL_REF_CONSTANT): New macro.
2650 (get_pool_constant_for_function): Delete.
2651 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2652 rather than SYMBOL_REF_DECL.
2653 (i386_pe_mark_dllimport): Likewise.
2654 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2655 rather than SYMBOL_REF_DECL.
2656 * config/darwin.c (machopic_indirect_data_reference): Likewise.
2657 (machopic_indirect_call_target): Likewise.
2659 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
2661 * flow.c (delete_noop_moves): Add missing EOL to dump message.
2663 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2665 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2667 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
2669 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2671 2006-01-24 David Daney <ddaney@avtrex.com>
2674 * configure.ac (enable_tls): New enable option.
2675 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2676 * configure: Regenerate.
2677 * doc/install.texi (--enable-tls): Document new option.
2678 (--disable-tls): Ditto.
2680 2006-01-24 Richard Henderson <rth@redehat.com>
2682 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2683 * alias.c (true_dependence): Respect it.
2684 (canon_true_dependence, write_dependence_p): Likewise.
2685 * builtins.c (get_builtin_sync_mem): Set it.
2687 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
2689 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2692 2006-01-24 DJ Delorie <dj@redhat.com>
2694 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2695 for storing constants in single-bit bitfields.
2697 2006-01-25 Ben Elliston <bje@au.ibm.com>
2699 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2701 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2704 * tree-ssa-pre.c (phi_translate): Return NULL
2705 for AGGREGATE_TYPE's.
2707 2006-01-24 Zack Weinberg <zackw@panix.com>
2709 * genautomata.c (process_state_for_insn_equiv_partition):
2710 Use xcalloc for insn_arcs_array.
2711 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2712 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2714 2006-01-24 Richard Henderson <rth@redhat.com>
2716 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2719 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2721 PR rtl-optimization/25890
2722 PR rtl-optimization/25905
2723 * combine.c (expand_compound_operation, expand_field_assignment):
2724 Fail if the bitfield's final position is out of bounds.
2726 2006-01-24 Ian Lance Taylor <ian@airs.com>
2729 * cgraphunit.c (cgraph_output_in_order): Don't clear
2730 cgraph_asm_nodes until after asm strings have been output.
2732 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2734 * fix-header.c (read_scan_file): Add new parameter imultilib when
2735 calling register_include_chains.
2737 2006-01-23 Diego Novillo <dnovillo@redhat.com>
2739 * omp-low.c: Update documentation.
2741 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2742 Daniel Berlin <dberlin@dberlin.org>
2746 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2747 return from the function.
2749 2006-01-22 Zack Weinberg <zackw@panix.com>
2751 * rtl.def (match_code): Add second argument.
2752 * genpreds.c (write_extract_subexp): New function.
2753 (write_match_code): Add path argument. Use write_extract_subexp.
2754 (write_predicate_expr): Pass path to write_match_code.
2755 (mark_mode_tests): MATCH_CODE applied to a subexpression does
2756 not perform a mode test.
2757 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2758 a subexpression does not constrain the top-level code set.
2759 * read-rtl.c (read_rtx_variadic): New function.
2760 (read_rtx_1): Use it; allow AND and IOR to be variadic.
2761 * doc/md.texi: Document new notation.
2762 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2763 (cmpsi_operand): ... here, using new notation.
2765 2006-01-22 Zack Weinberg <zackw@panix.com>
2767 * varray.c: Remove GENERATOR_FILE #ifdefs.
2769 2006-01-22 Zack Weinberg <zackw@panix.com>
2771 * genautomata.c (output_reserved_units_table): Emit nothing if
2772 description->query_units_num is zero. Remove extra blank line.
2773 (output_cpu_unit_reservation_p): Short circuit
2774 if description->query_units_num is zero.
2776 2006-01-22 Zack Weinberg <zackw@panix.com>
2778 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
2779 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
2780 nor any of the random handful of variables that used to be necessary
2781 when this program was linked with rtlanal.o. Prune set of forward
2782 function declarations.
2783 (struct attr_desc): Remove static_p field.
2784 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2785 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2786 (attr_string): Do not read the character one past the length of
2788 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2789 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2790 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2791 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2792 (make_automaton_attrs): New.
2793 (main): Do not call into genautomata. Call local gen_bypass
2794 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
2795 Remove special case for insn_alts.
2796 * genautomata.c: Include gensupport.h; not genattrtab.h nor
2797 varray.h (leftover from previous change). Prune set of forward
2798 function declarations. Remove state_alts fields from all
2799 structures. Remove state_alts_table from struct automaton.
2800 Make everything except main static. Do not maintain num_dfa_decls.
2801 Do not maintain state_alts fields of various structures.
2802 (process_decls): Don't validate condexp for dm_insn_reserv decls.
2803 (add_arc): Remove state_alts argument. All callers updated.
2804 (output_reserved_units_table): Emit #ifdef here...
2805 (output_tables): ...not here. Don't generate state_alts tables.
2806 (expand_automata): Don't generate attributes.
2807 (write_automata): Don't generate state_alts functions.
2808 (main): New function.
2809 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
2810 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
2811 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
2812 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
2813 (BYPASS_P_FUNC_NAME, output_state_alts_table)
2814 (output_automata_list_state_alts_code, output_internal_state_alts_func)
2815 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
2816 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
2818 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
2819 * genattrtab.h: Delete file.
2820 * Makefile.in (OBJS-common): Add insn-automata.o.
2821 (insn-automata.o): New rule.
2822 (simple_generated_c): Add insn-automata.c.
2823 (build/genattrtab.o, build/genautomata.o): Update dependencies.
2824 (genprogmd): Add automata.
2825 (build/genattrtab): Needs no extra objects nor libraries.
2826 (build/genautomata): Needs build/vec.o and -lm.
2828 2006-01-22 Zack Weinberg <zackw@panix.com>
2830 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2831 (output_dfa_max_issue_rate, locked_states_num): Delete.
2832 (struct automaton): Add locked_states field.
2833 (output_dead_lock_vect): Save number of locked states in
2834 automaton->locked_states. If it is zero, don't print anything.
2835 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2836 (output_internal_dead_lock_func): Only test the dead_lock_vect
2837 for automata that have locked states.
2838 (output_statistics): Always print the number of locked states for
2839 each automaton. Calculate total number of locked states here.
2840 (write_automata): Don't call output_dfa_max_issue_rate.
2841 * genattrtab.c: Define length_unit_log as a const variable.
2842 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
2843 max_insn_queue_index const.
2844 * final.c (length_unit_log): Declare const.
2845 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2847 2006-01-22 Zack Weinberg <zackw@panix.com>
2849 * genautomata.c: Include vec.h, not varray.h.
2850 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
2851 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
2852 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
2853 VEC_* macros operating on appropriately typed vectors, or to
2854 malloced arrays when the size is known in advance. Const-ify
2855 many char* variables and function arguments. No functional changes.
2856 * Makefile.in (build/varray.o): Delete rule.
2857 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
2858 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
2860 2006-01-22 Zack Weinberg <zackw@panix.com>
2862 * gensupport.c: Define get_insn_name and record_insn_name here.
2863 (read_md_rtx): Call record_insn_name as appropriate.
2864 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2865 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2866 * genpreds.c, genrecog.c: Don't define get_insn_name nor
2868 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
2869 (BUILD_VARRAY): Delete.
2870 (genprognormal): Rename genprogmd. Fold in all programs from
2871 genprognoprint; also attrtab.
2872 (build/genattrtab): Just mention genautomata.o and varray.o.
2873 Reorganize a bit, add comments to make the categories clearer.
2875 2006-01-22 Zack Weinberg <zackw@panix.com>
2877 * genconditions.c (condition_table, add_condition): Delete.
2878 (write_conditions): Don't emit n_insn_conditions nor
2879 insn_elision_unavailable. Issue the gcc version #ifdef here,
2880 inside the table, with no #else clause ...
2881 (write_header): ...not here.
2882 (write_writer): New function.
2883 (main): Don't initialize condition_table. Use add_c_test.
2885 * gensupport.c (init_md_reader_args_cb): Handle multiple input
2886 files on the command line.
2887 (maybe_eval_c_test): Don't check insn_elision_unavailable.
2888 Return -1 if there is no entry in the table, don't abort.
2889 (add_c_test, traverse_c_tests): New functions.
2890 * gensupport.h (insn_elision_unavailable, insn_conditions)
2891 (n_insn_conditions): Delete declarations.
2892 (add_c_test, traverse_c_tests): Declare.
2893 * read-rtl.c: Include gensupport.h.
2894 (read_conditions): New function.
2895 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
2896 (read_rtx_1): If we get EOF when we were looking for an initial
2897 open paren, return 0. Call read_conditions when appropriate.
2898 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
2899 dummy-conditions.o. Eliminate references to insn-conditions.o,
2900 or change them to build/gencondmd.o, as appropriate. Remove
2901 insn-constants.h from $(simple_generated_h) and insn-conditions.c
2902 from $(simple_generated_c). For all files remaining in those
2903 two lists, add insn-conditions.md to the generator command line.
2904 Give insn-constants.h/s-constants their own rules. Add rules
2905 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
2906 (build/read-rtl.o): Depend on gensupport.h.
2907 (genprognormal): Include preds.
2908 (genprogearly): Rename genprognoprint; only difference is now that
2909 they don't link with $(BUILD_PRINT).
2910 * dummy-conditions.c: Delete.
2912 2006-01-22 Zack Weinberg <zackw@panix.com>
2914 * genextract.c: Don't include insn-config.h. Do include vec.h.
2915 Declare vectors of int, char, and locstr.
2916 (locstr): New typedef.
2917 (struct extraction): Make all array fields into bare pointers.
2918 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
2919 (insn_code_number): Delete.
2920 (accum_extract): New struct.
2921 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
2922 (gen_insn): Take insn_code_number as an argument. Use an
2923 accum_extract structure instead of loading data directly into
2924 a struct extraction, and having to know how big it might get.
2925 (walk_rtx): Operate entirely on an accum_extract structure.
2926 (print_path): Avoid unnecessary use of printf.
2927 (print_header): New function, split out of main. Distinguish
2928 more carefully between an unrecognizable insn and an insn that
2929 has the code number of a define_expand.
2930 (main): Pass insn_code_number to gen_insn. Call print_header
2931 only after parsing. Avoid unnecessary use of printf.
2932 * Makefile.in (build/vec.o): New rule.
2933 (build/genextract): Depend on build/vec.o.
2934 (build/genextract.o): Don't depend on insn-config.h.
2936 2006-01-22 Zack Weinberg <zackw@panix.com>
2938 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
2939 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
2940 practical. Eliminate per-generator-program link rules.
2942 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2945 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2946 with a call expr to ...
2947 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2949 2006-01-23 Richard Guenther <rguenther@suse.de>
2951 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
2952 before make_edge with conditional EDGE_TRUE_VALUE.
2954 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
2955 Jan Hubicka <jh@suse.cz>
2956 Richard Guenther <rguenther@suse.de>
2958 PR rtl-optimization/25654
2959 * cfgexpand.c (aggregate_contains_union_type): New function.
2960 (add_alias_set_conflicts): Call it. Make sure to add conflicts
2961 for structure variables that contain a union type.
2963 2006-01-23 Richard Sandiford <richard@codesourcery.com>
2965 * gengtype.c (new_structure): Return the structure.
2966 (create_option): Add an extra "next" argument.
2967 (create_field): New function.
2968 (adjust_field_rtx_def): Use create_option and create_field.
2969 Remove a now-unnecessary call to find_structure.
2970 (adjust_field_tree_def): Likewise.
2971 (note_yacc_type): Remove an unnecessary call to find_structure.
2972 * gengtype.h (new_structure): Return the structure.
2973 (create_option): Add an extra argument.
2974 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
2975 (option): Adjust calls to create_option.
2977 2006-01-22 David Edelsohn <edelsohn@gnu.org>
2979 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2981 2006-01-22 Paul Brook <paul@codesourcery.com>
2982 Peter Barada <peter@the-baradas.com>
2984 * config/m68k/m68k.md: Add Coldfire FPU support.
2985 Define FP mode macro and associated attributes.
2986 Use it for float mode patterns.
2987 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2988 (LIBCALL_VALUE): Use m68k_libcall_value.
2989 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2990 (m68k_function_value): Ditto.
2991 (emit_move_sequence): Ditto.
2992 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2993 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2994 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2995 (MULTILIB_EXCEPTIONS): Ditto.
2996 * config/m68k/m68k.opt: Add mcfv4e.
2997 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2998 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2999 (m68k_output_function_prologue): Save ColdFire FPU registers.
3000 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
3001 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
3002 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
3003 ColdFire FPU registers.
3004 (m68k_libcall_value, m68k_function_value): New functions.
3005 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
3006 (LIBCALL_VALUE): Use m68k_libcall_value.
3007 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
3008 (MASK_COLDFIRE): Add MASK_CFV4E.
3009 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
3010 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
3011 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
3012 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
3013 (GO_IF_LEGITIMATE_ADDRESS): Use it.
3014 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
3015 * doc/invoke.tex: Document -mcfv4e on m68k.
3017 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3019 * doc/contribute.texi: Change CVS to SVN and update the corresponding
3022 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
3025 * c-opts.c (c_common_handle_option): Don't include
3026 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
3027 * doc/invoke.texi (C++ Dialect Options): Document that
3028 -Wnon-virtual-dtor is no longer included in -Wall.
3030 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
3032 * gcov.c (print_version), gcov-dump.c (print_version),
3033 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
3036 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
3038 * df-scan.c (problem_SCAN): Added NULL reset function.
3039 (df_scan_reset_blocks): Added code to call reset block function
3040 (df_bb_refs_delete) Fixed comment.
3041 (df_insn_refs_delete): Made tolerant of deleting non existent info
3042 for dataflow problems that need to be reset.
3043 * df-core.c (df_set_blocks): Ditto.
3044 * df.h (struct df_problem): Added reset_fun.
3045 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
3046 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
3047 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
3048 functions to clear out all references to def-use or use-def chains.
3050 2006-01-21 Ben Elliston <bje@au.ibm.com>
3052 * varasm.c (assemble_real): Initialise data array.
3054 2006-01-20 Paul Brook <paul@codesourcery.com>
3056 Merge from csl-arm-branch.
3057 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3058 * config/arm/arm.md (movdi): Force operands[1] to a register
3059 if we have a non-register source.
3060 (*arm_movdi, *movdf_soft_insn): Require that one of the
3061 operands be a register.
3062 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
3063 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
3065 2006-01-20 DJ Delorie <dj@redhat.com>
3067 * varasm.c (initialize_constant_valid_p): Allow pointers
3068 initialized from integer constants of lesser precision.
3069 (output_constant): Allow non-int-sized pointer modes to be
3070 initialized from integer constants.
3072 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
3075 * cppdefault.h (struct default_include): Add multilib flag.
3076 * cppdefault.c (cpp_include_defaults): Set it.
3077 * c.opt (-imultilib): New option.
3078 * c-opts.c (imultilib): New.
3079 (c_common_handle_option): Handle -imultilib.
3080 (c_common_post_options): Likewise.
3081 * c-incpath.c (add_standard_paths, register_include_chains):
3083 * c-incpath.h (register_include_chains): Add extra parameter.
3084 * gcc.c (do_spec_1): Generate -imultilib option.
3085 (The Specs Language): Update %I description.
3086 (process_command): Update copyright notice.
3087 * doc/cppopts.texi (-imultilib): Document.
3088 * doc/invoke.texi (-imultilib): Include in option summary.
3089 (%I): Update specs documentation.
3091 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3093 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
3095 2006-01-20 Richard Sandiford <richard@codesourcery.com>
3097 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
3100 2006-01-20 Richard Guenther <rguenther@suse.de>
3101 Steven Bosscher <stevenb.gcc@gmail.com>
3103 PR rtl-optimization/24626
3104 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
3105 EDGE_TRUE_VALUE if in RTL mode.
3108 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
3109 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
3111 2006-01-20 Dirk Mueller <dmueller@suse.com>
3114 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
3115 instead of a special NOP marker.
3116 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
3117 NOP marker handling.
3118 * c-common.h (empty_body_warning): Add forward declaration.
3119 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
3120 Now uses IS_EMPTY_STMT() instead of special NOP markers.
3122 2006-01-20 Paul Brook <paul@codesourcery.com>
3124 * Makefile.in (lang_checks): Keep going if mkdir fails.
3126 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3128 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
3129 be able to clean out basic block when not necessary.
3130 (df_scan_free): Fixed to properly delete information if df is
3131 unused before calling df_finish.
3132 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
3133 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
3135 (df_bb_refs_delete): New function.
3136 (df_refs_delete): Moved per block code to df_bb_refs_delete.
3137 * df-core.c (df_set_blocks): Added code to properly clean out
3138 unused blocks if they are not part of the blocks to consider.
3139 Added additional null check.
3140 (df_compact_blocks): Added basic block parameter to free_bb_fun to
3141 be able to clean out basic block when not necessary
3142 * df.h (df_free_bb_function): Ditto.
3143 (df_bb_refs_delete): New function.
3144 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
3145 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
3146 basic block parameter to be able to clean out basic block when not
3148 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
3149 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
3150 Fixed to properly delete information if df is unused before
3153 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3155 PR rtl-optimization/25799
3156 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
3157 Corrected confluence operator to remove bits from op2 before oring
3158 with op1 rather than removing bits from op1.
3159 (df_ru_transfer_function): Corrected test on wrong bitmap which
3160 caused infinite loop. Both of these problems were introduced in
3161 the dataflow rewrite.
3163 2006-01-19 DJ Delorie <dj@redhat.com>
3165 * reload1.c (find_reload_regs): Note the details of reload
3166 failures in the dump file.
3167 (spill_failure): Likewise.
3169 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3171 * loop-iv.c: Include df.h and hashtab.h.
3172 (enum iv_grd_result): New enum.
3173 (DF_REF_IV, DF_REF_IV_SET): New macros.
3174 (struct biv_entry): New.
3175 (df, bivs): New global variables.
3176 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
3177 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
3179 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
3180 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
3181 analyzed_for_bivness_p, record_biv): New functions.
3182 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
3183 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
3184 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
3186 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
3188 (iv_number_of_iterations): Use new interface to iv analysis.
3189 * loop-unroll.c: Do not include varray.h.
3190 (analyze_iv_to_split_insn): Use new interface to iv
3192 * loop-unswitch.c (may_unswitch_on): Ditto.
3193 * df.c (df_bitmaps_free): Only work for bbs for that structures are
3195 (df_bb_modify): Realloc tables to the new index.
3196 (df_find_use): New function.
3197 * df.h (df_find_use): Declare.
3198 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
3200 * cfgloop.h (struct rtx_iv): Remove analysed field.
3201 (iv_get_reaching_def): Removed.
3202 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
3203 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
3204 (loop-iv.o): Add df.h and hashtab.h dependency.
3205 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
3207 2006-01-20 Alan Modra <amodra@bigpond.net.au>
3210 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
3212 (__floatundisf, __floatundidf): Likewise.
3213 * libgcc2.h (IS_IBM_EXTENDED): Define.
3215 2006-01-19 DJ Delorie <dj@redhat.com>
3217 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
3219 2006-01-19 Paul Brook <paul@codesourcery.com>
3221 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
3222 as nothrow when unwinding tables are disabled.
3224 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3227 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
3228 of bit-field" when in system header.
3230 2006-01-19 DJ Delorie <dj@redhat.com>
3232 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
3233 the 16 bit shift limit of the m16c.
3235 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
3238 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
3239 * config/i386/i386.c (output_set_got): Output the label if we have one
3240 for the TARGET_DEEP_BRANCH_PREDICTION case.
3242 2006-01-19 Jan Hubicka <jh@suse.cz>
3243 H.J. Lu <hongjiu.lu@intel.com>
3244 Evandro Menezes <evandro.menezes@amd.com>
3246 * invoke.texi (generic): Document
3248 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
3249 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
3250 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
3251 (x86_use_incdec, x86_pad_returns): New variables
3252 (TARGET_CPU_DEFAULT_generic): New constant
3253 (TARGET_CPU_DEFAULT_NAMES): Add generic.
3254 (enum processor_type): Add generic32 and generic64.
3255 * i386.md (cpu attribute): Add generic32/generic64
3256 (movhi splitter): Behave sanely when both partial_reg_dependency and
3257 partial_reg_stall are set.
3258 (K8 splitters): Enable for generic as well.
3259 * predicates.md (incdec_operand): Use TARGET_INCDEC
3260 (aligned_operand): Avoid memory mismatch stalls.
3261 * athlon.md: Enable for generic64, new patterns for 128bit moves.
3262 * ppro.md: Enable for generic32
3263 * i386.c (generic64_cost, generic32_cost): New.
3264 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
3265 (x86_use_leave): Enable for generic64. (x86_use_sahf,
3266 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
3267 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
3268 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3269 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3270 x86_partial_reg_dependency, x86_memory_mismatch_stall,
3271 x86_accumulate_outgoing_args, x86_prologue_using_move,
3272 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3273 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
3275 (x86_use_incdec, x86_pad_returns): New.
3276 (override_options): Add generic32 and generic64, translate "generic"
3277 to generic32/generic64 and "i686" to "generic32", refuse
3278 "generic32"/"generic64" as arch target.
3279 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
3280 (ix86_reorg): Honor PAD_RETURNS.
3282 2006-01-19 Diego Novillo <dnovillo@redhat.com>
3284 * tree-pretty-print.c (dump_generic_node): Handle
3285 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
3286 * cgraph.c (cgraph_expand_queue): Rename from
3287 cgraph_analyze_queue. Update all users.
3288 * cgraphunit.c (cgraph_assemble_pending_functions): Process
3289 cgraph_expand_queue.
3290 (cgraph_expand_all_functions): Likewise.
3291 (cgraph_finalize_pending_functions): Remove. Update callers.
3293 * tree.h (OMP_DIRECTIVE_P): Define.
3294 (OMP_PARALLEL_FN): Define.
3295 (OMP_PARALLEL_DATA_ARG): Define.
3296 (OMP_SECTIONS_SECTIONS): Define.
3297 * tree-pass.h (pass_expand_omp): Declare.
3298 * omp-low.c (struct omp_region): Declare.
3299 (struct omp_context): Remove fields 'parallel_type',
3300 'parallel_start_ix' and 'parallel_start_additional_args'.
3302 (struct omp_for_data): Rename from struct expand_omp_for_data.
3303 (omp_regions): New static variable.
3304 (root_omp_region): New static variable.
3305 (find_omp_clause): Make static.
3306 (is_in_combined_parallel_ctx): Remove.
3307 (is_combined_parallel): New.
3308 (extract_omp_for_data): Move earlier in the file.
3309 (workshare_safe_to_combine_p): New.
3310 (get_ws_args_for): New.
3311 (determine_parallel_type): Move earlier in the file.
3312 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
3314 (omp_copy_decl): Likewise.
3315 (create_omp_child_function): Likewise.
3316 (lookup_omp_region): New.
3317 (dump_omp_region): New.
3318 (debug_omp_region): New.
3319 (debug_all_omp_regions): New.
3320 (new_omp_region): New.
3321 (scan_omp_parallel): If parallel_nesting_level > 1, the
3322 directive is nested within another parallel directive.
3323 Set OMP_PARALLEL_FN.
3324 (scan_omp_for): Do not try to handle combined parallel+for
3326 Remove FIXME comment.
3327 (scan_omp_nested): Remove.
3328 (scan_omp_1): Do not call scan_omp_nested when
3329 parallel_nesting_level is > 1.
3330 Do not change the DECL_CONTEXT of local variables found.
3331 (lookup_decl_in_outer_ctx): New.
3332 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
3333 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
3334 (lower_reduction_clauses): Rename from expand_reduction_clauses.
3335 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
3336 If CTX is nested, lookup VAR in the outer context when
3337 building copy assignment.
3338 (lower_send_clauses): Rename from expand_send_clauses.
3339 If CTX is nested, lookup VAR in the outer context when
3340 building copy assignments.
3341 (lower_send_shared_vars): Rename from expand_send_shared_vars.
3342 If CTX is nested, lookup VAR in the outer context when
3343 building copy assignments.
3344 (expand_parallel_call): Rename from build_parallel_call.
3345 Handle combined parallel+workshare cases.
3346 Re-implement to emit code into the CFG.
3348 (expand_omp_parallel): Re-implement to emit code into the CFG.
3349 Call move_sese_region_to_fn to outline the sub-graph
3350 containing the parallel region.
3351 (expand_omp_for_1): Remove.
3352 (expand_omp_for_generic): Re-implement to emit code into the
3354 (expand_omp_for_static_nochunk): Likewise.
3355 (expand_omp_for_static_chunk): Likewise.
3356 (expand_omp_for): Likewise.
3357 (expand_omp_sections): Likewise.
3358 (remove_exit_barriers): New.
3359 (expand_omp_synch): New.
3361 (build_omp_regions_1): New.
3362 (build_omp_regions): New.
3363 (execute_expand_omp): New.
3364 (gate_expand_omp): New.
3365 (pass_expand_omp): Define.
3366 (lower_omp_sections): Rename from expand_omp_sections.
3367 Set OMP_SECTIONS_SECTIONS.
3368 (lower_omp_single_simple): Rename from expand_omp_single_simple.
3369 (lower_omp_single_copy): Rename from expand_omp_single_copy.
3370 (lower_omp_single): Rename from expand_omp_simple.
3371 (lower_omp_master): Rename from expand_omp_master.
3372 (lower_omp_ordered): Rename from expand_omp_ordered.
3373 (lower_omp_critical): Rename from expand_omp_critical.
3374 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
3375 (lower_omp_for): Re-implement.
3376 (lower_omp_parallel): Re-implement.
3377 (lower_regimplify): Rename from expand_regimplify.
3378 (lower_omp_1): Rename from expand_omp_1.
3379 If there are syntax errors in the program, replace every
3380 OpenMP directive with NOP.
3381 Call lower_omp_* instead of expand_omp_*.
3382 (lower_omp): Rename from expand_omp.
3384 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
3385 * tree-gimple.h (enum omp_parallel_type): Remove.
3386 (gimple_boolify): Declare extern.
3387 (find_omp_clause, determine_parallel_type): Remove.
3389 * gimple-low.c (lower_omp_directive): New.
3390 (lower_stmt): Call it.
3391 (record_vars_into): Move from ...
3392 (record_vars): ... here.
3393 Call record_vars_into with current_function_decl.
3395 * gimplify.c (struct gimplify_ctx): Remove fields
3396 combined_pre_p and combined_ctxp. Update users.
3397 (get_formal_tmp_var): Add documentation.
3398 (gimple_boolify): Make extern.
3399 (gimplify_expr_in_ctx): Remove. Update callers.
3400 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
3401 will always be a BIND_EXPR.
3402 (gimplify_expr): Handle OMP_RETURN_EXPR.
3403 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
3404 (OMP_PARALLEL): Add 3 operands.
3405 (OMP_SECTIONS): Add 1 operand.
3406 (OMP_RETURN_EXPR): Define.
3408 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
3409 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
3410 * tree-iterator.c (alloc_stmt_list): Assert that we are not
3411 creating a circular free list.
3412 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
3414 * tree-flow.h (move_sese_region_to_fn): Declare.
3415 (record_vars_into): Declare.
3416 * tree-cfg.c (make_omp_sections_edges): New.
3417 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
3418 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
3419 OMP_SECTIONS and OMP_SECTION.
3420 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
3421 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
3422 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
3423 (gather_blocks_in_sese_region): New.
3424 (struct move_stmt_d): Declare.
3426 (move_block_to_fn): New.
3427 (move_sese_region_to_fn): New.
3429 * passes.c (init_optimization_passes): Schedule
3430 pass_expand_omp after pass_init_datastructures.
3432 * tree-ssa-operands.c (get_expr_operands): Handle
3433 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
3434 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
3436 2006-01-19 Jeff Law <law@redhat.com>
3438 * tree-vrp.c (extract_range_from_assert): Refine the result range
3439 if the variable referenced by the ASSERT_EXPR has a range and
3440 either the tentative result range or the previous range is a
3443 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3445 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
3447 2006-01-19 Jan Hubicka <jh@suse.cz>
3449 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
3451 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
3453 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
3454 (expand_compound_operation, expand_field_assignment): Fail if the
3455 bit lengths of an extract operation are out of range.
3456 (make_extraction): Compute wanted_inner_mode based on the position
3457 and length of the extraction. Make it extraction_mode for non-constant
3458 positions, and do not modify offset in that case. When generating a
3459 new MEM, use a mode that can hold the extraction while keeping correct
3460 alignment. Remove code that supported MEMs wrapped by USEs.
3461 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
3463 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
3465 * config/s390/s390.md ("Y", "y"): New mode attribute.
3466 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3467 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
3468 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
3469 "*addsi3_imm_cc", "*addsi3_carry1_cc",
3470 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
3471 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
3472 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
3473 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
3474 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
3475 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
3476 "addsi3", "subsi3"): Insn patterns removed.
3477 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
3478 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
3479 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
3480 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
3481 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
3482 "*sub<mode>3_cconly2"): New insn patterns.
3483 ("addsi3", "subsi3"): New expanders.
3485 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
3487 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
3488 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
3489 existing STMT_VINFO_VECTYPE if available.
3490 (vect_mark_relevant): Add special handling for stmts that are
3491 marked as STMT_VINFO_IN_PATTERN_P.
3492 (vect_analyze_loop): Call vect_pattern_recog.
3493 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3494 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
3496 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
3497 (vect_recog_func_ptr): New function-pointer type.
3498 * tree-vect-patterns.c: New file.
3499 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
3500 (vect_recog_dot_prod_pattern, vect_pattern_recog):
3501 (vect_pattern_recog_1): New functions.
3502 (vect_pattern_recog_funcs): New array of function pointers.
3504 * tree-vectorizer.h (ternary_op): New enum value.
3505 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
3506 declaration. Revised documentation. Removed redundant dump prints.
3507 Removed redundant argument. Added support for reduction patterns.
3508 (vectorizable_reduction): Added support for reduction patterns.
3509 (vect_transform_stmt): Added support for patterns.
3511 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
3512 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
3513 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
3514 (expand_widen_pattern_expr): New function.
3515 (init_optabs): Initialize new optabs udot_prod_optab,
3517 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
3518 (sdot_prod_optab, udot_prod_optab): Define new optabs.
3519 (expand_widen_pattern_expr): New function declaration.
3520 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
3522 * tree-inline.c (estimate_num_insns_1): Added cases for new
3523 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3524 * tree-pretty-print.c (dump_generic_node): Likewise.
3525 (op_prio): Likewise.
3526 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3527 * tree-ssa-operands.c (get_expr_operands): Added case for
3529 * tree-vect-patterns.c (widened_name_p): New function.
3530 (vect_recog_dot_prod_pattern): Added function implementation.
3531 * tree-vect-transform.c (get_initial_def_for_reduction): Added
3532 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
3533 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
3534 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
3536 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
3537 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
3538 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
3539 (init_optabs): Initialize new optabs widen_ssum_optab,
3541 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
3542 (widen_ssum_optab, widen_usum_optab): Define new optabs.
3543 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
3544 use instead of type of def.
3545 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
3546 function implementation.
3547 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
3548 widen_ssumv8hi): New.
3550 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
3553 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3556 * c-decl.c (add_flexible_array_elts_to_size): New function.
3557 (finish_decl): Use it.
3559 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
3561 * diagnostic.h: Include options.h.
3562 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
3563 dependancies for diagnostic.h.
3564 * Makefile.in (DIAGNOSTIC_H): Add options.h.
3566 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
3568 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
3569 (ssa_ro_call_cache_valid): Ditto.
3570 * tree-ssa-alias.c (sort_tags_by_id): New function.
3571 (init_transitive_clobber_worklist): Ditto.
3572 (add_to_worklist): Ditto.
3573 (mark_aliases_call_clobbered): Ditto.
3574 (compute_tag_properties): Ditto.
3575 (set_initial_properties): Ditto.
3576 (compute_call_clobbered): Ditto.
3577 (compute_may_aliases): Call compute_call_clobbered and grouping.
3578 (compute_flow_sensitive_aliasing): Remove clobbering related code.
3579 (compute_flow_insensitive_aliasing): Grouping now happens in our
3581 (setup_pointers_and_addressables): Remove clobbering related code.
3582 (add_may_alias): Ditto.
3583 (replace_may_alias): Ditto.
3584 (get_nmt_for): Ditto.
3585 (create_global_var):
3586 (is_escape_site): Return an escape_type enumeration.
3587 * tree-flow-inline.h (is_call_clobbered): Global var does not
3588 imply call clobbered.
3589 (mark_call_clobbered): Take a reason for marking this. Remove
3590 marking of globalness, and cache invalidation.
3591 (clear_call_clobbered): Remove cache invalidation code.
3592 * tree-dfa.c (dump_variable): If details is on, dump the reason
3594 * tree-outof-ssa.c (create_temp): Copy escape mask from original
3596 * tree-flow.h (struct ptr_info_def): Add escape mask member.
3597 (struct var_ann_d): Ditto.
3598 (enum escape_type): New.
3599 (mark_call_clobbered): Adjust prototype.
3600 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
3601 are never call clobbered.
3602 Record reasons for escaping.
3603 * tree-ssa-structalias.h (is_escape_site): Update prototype.
3604 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
3605 (ssa_ro_call_cache_valid): Ditto.
3606 (clobbered_v_may_defs): Ditto.
3607 (clobbered_vuses): Ditto.
3608 (ro_call_vuses): Ditto.
3609 (clobber_stats): New.
3610 (init_ssa_operands): Zero out clobber stats.
3611 (fini_ssa_operands): Print out clobber stats.
3612 (get_call_expr_operands): Pass callee fndecl to
3614 (add_call_clobber_ops): Remove use of cache.
3615 Add use of PURE_CONST information.
3616 (add_call_read_ops): Remove use of cache.
3617 Add use of static not_read information.
3619 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
3621 Introduce TLS descriptors for i386 and x86_64.
3622 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
3623 (TARGET_ANY_GNU_TLS): New macro.
3624 (enum tls_dialect): Added TLS_DIALECT_GNU2.
3625 (struct machine_function): Add tls_descriptor_call_expanded_p.
3626 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
3627 (ix86_current_function_calls_tls_descriptor): Likewise.
3628 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
3629 (override_options): Introduce gnu2 tls dialect.
3630 (ix86_frame_pointer_required): Functions containing TLSCALLs are
3632 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
3634 (legitimize_tls_address): Adjust logic for GNU2 TLS.
3635 (ix86_init_machine_status): Initialize new field.
3636 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
3637 (ix86_tls_module_base): New.
3638 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
3639 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
3640 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
3641 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
3642 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
3643 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
3644 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
3645 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
3646 * config/i386/predicates.md (tls_modbase_operand): New.
3647 (tp_or_register_operand): New.
3649 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
3651 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
3652 (look_for_address_of): Ditto.
3653 (ipa_init): Walk the function decls.
3654 (static_execute): Don't set readonly on FUNCTION_DECL's.
3656 2006-01-18 Roger Sayle <roger@eyesopen.com>
3658 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
3659 for shifts where the source and destination registers are different.
3661 2006-01-18 Paul Brook <paul@codesourcery.com>
3663 Merge from csl-arm-branch.
3664 2005-03-14 Julian Brown <julian@codesourcery.com>
3665 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
3666 (aeabi_llsl): Likewise.
3667 (ashrdi3): Likewise.
3668 (aeabi_lasr): Likewise.
3669 (lshrdi3): Likewise.
3670 (aeabi_llsr): Likewise.
3671 2005-03-10 Julian Brown <julian@codesourcery.com>
3672 * config.gcc: Disable shared libgcc for SymbianOS.
3673 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
3675 2006-01-18 DJ Delorie <dj@redhat.com>
3677 * c-pragma.c (handle_pragma_diagnostic): New.
3678 (init_pragma): Register it.
3679 * doc/extend.texi: Document it.
3681 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
3682 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
3683 (diagnostic_context): Add classify_diagnostic[].
3684 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
3685 as errors if they're overridden to DK_WARNING.
3686 (diagnostic_initialize): Initialize classify_diagnostic[].
3687 (diagnostic_set_kind_override): New.
3688 (diagnostic_report_diagnostic): Check for kind changes.
3689 * opts.c (common_handle_option): Take lang_mask. Update callers.
3691 * common.opt (Werror=): New.
3692 * doc/invoke.texi: Document -Werror=*
3694 2006-01-18 Jeff Law <law@redhat.com>
3696 * tree-vrp.c (test_for_singularity): Correct test for new
3697 min limit. Use operand_equal_p rather than pointer equality
3698 for testing if new min/max values are equal.
3700 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
3701 using range information until after propagation and folding.
3703 2006-01-18 Richard Henderson <rth@redhat.com>
3704 Aldy Hernandez <aldyh@redhat.com>
3705 Jakub Jelinek <jakub@redhat.com>
3706 Diego Novillo <dnovillo@redhat.com>
3708 * omp-low.c: New file.
3709 * c-omp.c: New file.
3711 2006-01-18 Richard Henderson <rth@redhat.com>
3712 Jakub Jelinek <jakub@redhat.com>
3713 Diego Novillo <dnovillo@redhat.com>
3715 * doc/invoke.texi: Document -fopenmp.
3716 * tree-dump.h (debug_function): Declare.
3717 * hooks.c (hook_bool_tree_bool_false): New function.
3718 (hook_tree_tree_null): Remove.
3719 (hook_tree_tree_tree_null): New.
3720 * hooks.h: Update to match.
3721 * tree-pretty-print.c (debug_tree_chain): New.
3722 (print_generic_expr): Handle TDF_CHAIN.
3723 (dump_generic_node): Handle BLOCK.
3724 Do not abort with incomplete SWITCH_EXPRs.
3725 Do not dump body of an OpenMP directive if TDF_SLIM is given.
3726 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
3727 print space after directive name.
3728 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
3729 Handle OMP_MASTER and OMP_ORDERED.
3730 Handle printing of OMP_BODY just in one place, goto
3731 dump_omp_body in the rest of OMP_* nodes that have
3733 Don't handle clause nodes here. Update omp statements to
3734 use dump_omp_clauses.
3735 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
3736 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
3737 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
3738 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
3739 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
3740 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
3741 Adjust output for GOMP_PARALLEL.
3742 (dump_omp_clauses): New.
3743 (print_declaration): Dump DECL_VALUE_EXPR.
3744 (op_symbol_1): Split out of op_symbol.
3745 (dumping_stmts): Remove. Update all users.
3746 * cgraph.c (cgraph_analyze_queue): New.
3747 (cgraph_add_new_function): New.
3748 * cgraph.h (cgraph_analyze_queue): Declare.
3749 (cgraph_add_new_function): Declare.
3750 (cgraph_lower_function): Remove.
3751 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
3752 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
3753 and TYPE_P nodes in its default clause.
3754 (empty_body_p): New.
3755 (tree_range_check_failed): New.
3757 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
3758 OMP_CLAUSE_REDUCTION_MERGE,
3759 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
3760 OMP_CLAUSE_PRIVATE_DEBUG,
3761 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
3762 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
3763 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
3764 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
3765 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
3766 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
3767 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
3768 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
3769 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
3770 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
3771 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
3772 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
3773 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
3774 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
3775 (TREE_RANGE_CHECK): New.
3776 (empty_body_p): Declare.
3777 (enum omp_clause_default_kind): New.
3778 (build_string_literal): Declare.
3779 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
3780 (build5_stat, build5): Declare.
3781 * tree-pass.h (TDF_CHAIN): Define.
3782 * tree-pass.h (PROP_gimple_lomp): Define.
3783 (pass_lower_omp): Declare.
3784 * diagnostic.h (debug_tree_chain): Declare.
3785 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
3787 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
3788 * builtins.c (build_string_literal): Make extern.
3789 * gcc.c (include_spec_function): New.
3790 (static_spec_functions): Add it.
3791 (main): Move load of libgomp.spec ...
3792 (LINK_COMMAND_SPEC): ... here.
3793 (link_gomp_spec): New.
3794 (static_specs): Include it.
3795 (LINK_COMMAND_SPEC): Add link_gomp.
3796 (GOMP_SELF_SPECS): New.
3797 (driver_self_specs): Include it.
3798 (switch_matches): Don't mark inline.
3799 (main): Load libgomp.spec.
3800 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
3801 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
3802 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
3803 * tree-gimple.h (enum omp_parallel): Declare.
3804 (determine_parallel_type): Declare.
3805 (omp_firstprivatize_variable): Declare.
3806 (omp_reduction_init): Declare.
3807 (diagnose_omp_structured_block_errors): Declare.
3808 (struct walk_stmt_info): Add want_return_expr.
3809 (struct walk_stmt_info): Add want_bind_expr, want_locations.
3810 (find_omp_clause): Declare.
3811 (insert_field_into_struct): Declare.
3812 (struct walk_stmt_info): Move from tree-nested.c
3813 (walk_stmts): Declare.
3814 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
3816 * cgraphunit.c (cgraph_lower_function): Make static.
3817 (cgraph_finalize_pending_functions): New.
3818 (cgraph_finalize_function): Call it.
3819 (cgraph_finalize_compilation_unit): Likewise.
3820 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
3821 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
3822 (BT_FN_UINT_UINT): New.
3823 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
3824 DEF_FUNCTION_TYPE_VAR_4): Document.
3825 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
3826 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
3827 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
3828 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
3829 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
3830 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
3831 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
3832 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
3833 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
3834 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
3835 into separate files.
3836 (DEF_GOMP_BUILTIN): New.
3837 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
3838 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
3839 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
3840 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
3841 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
3842 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
3843 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
3844 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
3845 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
3846 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
3847 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
3848 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
3849 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
3850 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
3851 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
3852 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
3853 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
3854 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
3855 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
3856 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
3857 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
3858 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
3859 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
3860 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
3861 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
3862 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
3863 * sync-builtins.def: New file, moved from builtins.def.
3864 * omp-builtins.def: New file, moved from builtins.def.
3865 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
3866 * gimple-low.c (lower_function_body): Clear data.
3867 (lower_stmt): Do not handle COMPOUND_EXPR.
3868 Remove call to print_node_brief.
3869 * c-tree.h (c_finish_omp_clauses): New prototype.
3870 (C_DECL_THREADPRIVATE_P): Define.
3871 (lookup_name_no_remap, c_omp_remap_private): Remove
3872 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
3873 (check_for_loop_decls): Update decl.
3874 (lookup_name_no_remap, c_omp_remap_private): Declare.
3875 (build_indirect_ref, build_modify_expr, pushdecl,
3876 pushdecl_top_level): Move to c-common.h.
3877 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
3878 before the switch, but just in the 2 places that need it.
3879 * c-decl.c (diagnose_mismatched_decls): Do not check for
3880 mismatched thread-local attributes when OLDDECL is marked
3881 threadprivate and NEWDECL has no thread-local attributes.
3882 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
3883 (c_gimple_diagnostics_recursively): Rename from
3884 c_warn_unused_result_recursively. Invoke
3885 diagnose_omp_structured_block_errors.
3886 (check_for_loop_decls): Return a singular decl found.
3887 * langhooks.c (lhd_omp_predetermined_sharing): Return
3888 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
3889 (lhd_omp_firstprivatize_type_sizes): New.
3890 (lhd_omp_assignment): New.
3891 (lhd_omp_predetermined_sharing): New.
3892 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
3893 (struct lang_hooks_for_types): Add
3894 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
3895 omp_predetermined_sharing, omp_disregard_value_expr,
3896 omp_private_debug_clause, omp_clause_default_ctor,
3897 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
3898 (c_finish_omp_clauses): New.
3899 (c_finish_bc_stmt): Diagnose break within omp for.
3900 (c_begin_omp_parallel, c_finish_omp_parallel): New.
3901 (build_unary_op): Return error_mark after reporting
3903 (build_modify_expr): Likewise.
3904 * gimplify.c: Include optabs.h and pointer-set.h.
3905 (enum gimplify_omp_var_data): Declare.
3906 (struct gimplify_omp_ctx): Declare.
3907 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
3909 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
3910 (push_gimplify_context, pop_gimplify_context): Allow nesting.
3911 (splay_tree_compare_decl_uid): New.
3912 (new_omp_context): New.
3913 (delete_omp_context): New.
3914 (gimple_add_tmp_var): Call omp_add_variable.
3915 (gimplify_bind_expr): Likewise.
3916 (gimplify_var_or_parm_decl): If omp_notice_variable returned
3917 true, disregard DECL_VALUE_EXPR on the decl if any.
3918 (gimplify_expr_in_ctx): New.
3919 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
3920 omp_add_variable, omp_notice_variable, omp_is_private
3921 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
3922 gimplify_adjust_omp_clauses, gimplify_omp_parallel
3923 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
3924 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
3925 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
3926 gimplify_omp_atomic): New.
3927 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3928 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3929 OMP_CRITICAL and OMP_ATOMIC.
3930 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
3931 * c-pragma.h (enum pragma_kind): Add
3932 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
3933 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
3934 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
3935 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
3936 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
3937 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
3938 PRAGMA_OMP_THREADPRIVATE.
3939 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3940 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3941 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
3942 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
3943 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
3944 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
3945 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
3946 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
3947 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
3948 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
3949 * tree-ssa-dce.c (find_control_dependence): Do not assume that
3950 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
3951 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
3953 (struct nesting_info): Add field_map,
3954 suppress_expansion, debug_var_chain.
3955 (create_nesting_tree): Initialize them.
3956 (lookup_field_for_decl): Use field_map.
3957 (get_nonlocal_debug_decl, get_local_debug_decl): New.
3958 (convert_local_omp_clauses): New.
3959 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
3960 (walk_body): Split out of walk_function.
3961 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
3962 (convert_nonlocal_reference): Handle omp statements.
3963 (convert_local_reference): Likewise.
3964 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
3965 (unnest_nesting_tree): New.
3966 (lower_nested_functions): Call it.
3967 (insert_field_into_struct): Make extern.
3968 (struct walk_stmt_info): Move to tree-gimple.h.
3969 (walk_stmts): Make extern.
3970 * omp-builtins.def: New file.
3971 * tree-iterator.c (expr_only): Clarify comment.
3972 * c-common.h (pushdecl_top_level, pushdecl,
3973 build_modify_expr, build_indirect_ref,
3974 c_finish_omp_master, c_finish_omp_critical,
3975 c_finish_omp_ordered, c_finish_omp_barrier,
3976 c_finish_omp_atomic, c_finish_omp_flush,
3977 c_finish_omp_for, c_split_parallel_clauses,
3978 omp_clause_default_kind, c_omp_sharing_predetermined,
3979 c_omp_remap_decl): Declare.
3980 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
3981 (OBJS-common): Add omp-low.o.
3982 (c-omp.o, omp-low.o): Add.
3983 (gimplify.o): Add dependency on $(OPTABS_H).
3984 (GTFILES): Add omp-low.c.
3985 (gt-stringpool.h): Add.
3986 * tree-cfg.c (set_bb_for_stmt): Do not update the
3987 block-to-labels map if we are currently expanding to RTL.
3988 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
3990 Handle IDENTIFIER_NODE.
3991 (tree_verify_flow_info): Do not ICE when emitting error
3992 messages about invalid labels.
3993 (dump_function_to_file): Reset CFUN before emitting the body
3995 (debug_function): New.
3996 * passes.c (init_optimization_passes): Schedule
3998 * langhooks-def.h (lhd_omp_predetermined_sharing,
3999 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
4001 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
4002 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
4003 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
4004 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
4005 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
4006 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
4007 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
4008 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
4009 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
4010 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
4011 (LANG_HOOK_DECLS): Use them.
4013 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
4014 Richard Henderson <rth@redhat.com>
4015 Jakub Jelinek <jakub@redhat.com>
4016 Diego Novillo <dnovillo@redhat.com>
4018 * c-parser.c (pragma_omp_clause): Define.
4019 (c_parser_declaration_or_fndef): Document OpenMP syntax.
4020 (c_parser_compound_statement): Likewise.
4021 (c_parser_statement): Likewise.
4022 (c_parser_pragma): Handle omp pragmas.
4023 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
4024 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
4025 (c_parser_omp_clause_name, check_no_duplicate_clause,
4026 c_parser_omp_variable_list,
4027 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
4028 c_parser_omp_clause_copyprivate,
4029 c_parser_omp_clause_default,
4030 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
4031 c_parser_omp_clause_lastprivate,
4032 c_parser_omp_clause_nowait,
4033 c_parser_omp_clause_num_threads,
4034 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
4035 c_parser_omp_clause_reduction,
4036 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
4037 c_parser_omp_all_clauses, c_parser_omp_structured_block,
4038 c_parser_omp_atomic, c_parser_omp_barrier,
4039 c_parser_omp_critical, c_parser_omp_flush,
4040 c_parser_omp_for_loop, c_parser_omp_for,
4041 c_parser_omp_master, c_parser_omp_ordered,
4042 c_parser_omp_sections_scope, c_parser_omp_sections,
4043 c_parser_omp_parallel, c_parser_omp_single,
4044 c_parser_omp_construct, c_parser_omp_threadprivate): New.
4045 * c-pragma.c (init_pragma): Do omp pragma registration here.
4046 * c.opt (fopenmp): New flag.
4048 2006-01-18 Eric Christopher <echristo@apple.com>
4050 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
4051 * config/darwin.h (GOMP_SELF_SPECS): Define.
4053 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4055 * rtl.h: Remove the prototype for reg_alloc.
4057 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4060 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
4061 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
4062 sjlj and dwarf2 exception handling.
4063 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
4064 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
4065 * pa/pa.c (function_value): Treat complex and vector types as
4067 (function_arg): Likewise. Only pass scalar floats in the floating
4068 point argument registers.
4069 * pa/t-slibgcc-dwarf-ver: New file.
4070 * pa/t-slibgcc-sjlj-ver: New file.
4071 * pa/t-slibgcc-elf-ver: Delete file.
4073 2006-01-19 Alan Modra <amodra@bigpond.net.au>
4075 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
4076 unlikely_test_section_p test.
4078 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4080 * mode-switching.c (optimize_mode_switching): Make it static.
4081 * basic-block.h: Remove the prototype for
4082 optimize_mode_switching.
4084 * modulo-sched.c (sms_schedule): Make it static.
4085 * rtl.h: Remove the prototype for sms_schedule.
4087 * postreload-gcse.c (gcse_after_reload_main): Make it static.
4088 * rtl.h: Remove the prototype for gcse_after_reload_main.
4090 * reg-stack.c (reg_to_stack): Make it static.
4091 * rtl.h: Remove the prototype for reg_to_stack.
4093 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
4095 * rtl.h: Remove the prototypes for regrename_optimize and
4096 copyprop_hardreg_forward.
4098 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
4100 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
4101 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
4102 Test against the appropriate null constant for the mode.
4103 If 'fixup_overlap' is true, swap the operands if they overlap.
4104 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
4105 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
4106 alpha_split_tmode_pair and adjust for above change.
4107 * config/alpha/alpha.md (movtf_internal): Adjust call to
4108 alpha_split_tfmode_pair and rely on it to swap the operands.
4109 (movti_internal): New insn and post-reload splitter.
4110 (movti): New expander.
4112 2006-01-18 Philippe De Muyter <phdm@macqel.be>
4114 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
4117 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4119 * rtlanal.c (global_reg_mentioned_p_1,
4120 global_reg_mentioned_p): Remove.
4121 * rtl.h: Remove the prototype for global_reg_mentioned_p.
4123 * flow.c (initialize_uninitialized_subregs): Make it static.
4124 * rtl.h: Remove the prototype for
4125 initialize_uninitialized_subregs.
4127 * function.c (instantiate_virtual_regs): Make it static.
4128 * function.h: Remove the prototype for
4129 instantiate_virtual_regs.
4131 * regmove.c (regmove_optimize, combine_stack_adjustments):
4133 * rtl.h: Remove the prototypes for regmove_optimize and
4134 combine_stack_adjustments.
4136 2006-01-17 Roger Sayle <roger@eyesopen.com>
4138 * config/i386/i386.c (COSTS_N_BYTES): New macro.
4139 (size_cost): Encode costs in bytes so that a reg-reg addition is
4140 equivalent to COSTS_N_INSNS(1).
4141 (override_options): Use the size_cost.branch_cost as the default
4142 ix86_branch_cost when optimizing for size.
4144 2006-01-18 Ben Elliston <bje@au.ibm.com>
4146 * Makefile.in (D32PBIT_FUNCS): New.
4147 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
4148 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
4149 D64PBIT_FUNCS and D128PBIT_FUNCS.
4150 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
4151 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
4153 (decnumber_dep): Define.
4154 * doc/libgcc.texi (Decimal float library routines): New node.
4155 * config/dfp-bit.h, config/dfp-bit.c: New files.
4157 2006-01-18 Ben Elliston <bje@au.ibm.com>
4159 * expr.c (emit_move_change_mode): Always adjust addresses, not
4160 just during reload. Copy replacements only during reload.
4161 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
4162 emit_move_via_integer.
4164 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
4166 * Makefile.in (check-%, check-consistency): Use $${srcdir}
4167 instead of $(srcdir) and ${srcdir}.
4169 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
4173 * arm.h (struct machine_function): Add pic_reg.
4174 * arm.c (arm_pic_register): Make unsigned.
4175 (arm_override_options): Only set arm_pic_register if
4176 TARGET_SINGLE_PIC_BASE.
4177 (use_return_insn): Only test for a pic register if it is fixed.
4178 (arm_compute_save_reg0_reg12_mask): Likewise.
4179 (thumb_compute_save_reg_mask): Likewise.
4180 (legitimate_pic_operand): Factor out some known invariants.
4181 (legitimize_pic_address): If we don't have a fixed pic register,
4182 then set up a pseudo in the function entry sequence. Handle the
4183 pic base being in a pseudo.
4184 (arm_load_pic_register): Handle the pic register being in a pseudo.
4185 (arm_expand_prologue): Only set up the pic register if it is fixed.
4186 (thumb_expand_prologue): Likewise.
4187 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
4188 (pic_load_addr_based_insn): Likewise.
4189 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
4192 2006-01-18 Ben Elliston <bje@au.ibm.com>
4194 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
4195 decimal float modes for all floating point registers.
4197 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
4198 match_code "mem" with match_test "macho_lo_sum_memory_operand".
4200 2006-01-17 Jakub Jelinek <jakub@redhat.com>
4203 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
4204 even when the pointer is not NULL.
4206 2006-01-16 Ian Lance Taylor <ian@airs.com>
4208 * common.opt (ftoplevel-reorder): New option.
4209 * cgraph.c (cgraph_asm_nodes): New global variable.
4210 (cgraph_asm_last_node): New static variable.
4211 (cgraph_order): New global variable.
4212 (cgraph_create_node): Set new order field.
4213 (cgraph_varpool_node): Likewise.
4214 (decide_is_variable_needed): Return true if not
4215 flag_toplevel_reorder.
4216 (cgraph_add_asm_node): New function.
4217 * cgraph.h (struct cgraph_node): Add order field.
4218 (struct cgraph_varpool_node): Add order field.
4219 (struct cgraph_asm_node): Define.
4220 (cgraph_asm_nodes, cgraph_order): Declare.
4221 (cgraph_add_asm_node): Declare.
4222 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
4224 (cgraph_varpool_assemble_pending_decls): Call it.
4225 (cgraph_output_pending_asms): New static function.
4226 (cgraph_finalize_compilation_unit): Call it.
4227 (struct cgraph_order_sort): Define.
4228 (cgraph_output_in_order): New static function.
4229 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
4230 !flag_toplevel_reorder case.
4231 * c-parser.c: Include "cgraph.h".
4232 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
4234 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
4235 than -fno-unit-at-a-time.
4236 * doc/invoke.texi (Option Summary): Mention
4237 -fno-toplevel-reorder.
4238 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
4239 -funit-at-a-time documentation.
4241 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
4242 Kazu Hirata <kazu@codesourcery.com>
4244 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
4246 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
4248 * Makefile.in (FUNCTION_H): New. Use it instead of
4249 function.h throughout the file.
4250 * function.h: Include tree.h.
4252 2006-01-17 Ben Elliston <bje@au.ibm.com>
4254 * recog.c: Separate some functions with whitespace.
4256 2006-01-16 Richard Henderson <rth@redhat.com>
4258 Merge from gomp branch:
4259 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
4260 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
4261 and rename from struct inline_data. Rename callee* to dst*;
4262 caller* to src*; add copy_decl hook, transform_call_graph_edges,
4263 transform_new_cfg, transform_return_to_modify, and
4264 transform_lang_insert_block flags; remove cloning_p, versioning_p,
4266 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
4267 (copy_decl_for_dup): Remove.
4268 * tree-inline.c (struct inline_data): Move to header.
4269 (insert_decl_map): Export.
4270 (remap_decl): Update for member name changes. Use copy_decl hook.
4271 Allow for replacement to be a non-decl. Remove dead code.
4272 (remap_type_1): Check for existing mapping.
4273 (remap_type): Export.
4274 (remap_decls): Update for member name changes.
4275 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
4276 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
4277 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
4278 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
4279 (tree_function_versioning, build_duplicate_type): Likewise.
4280 (copy_body_r): Likewise. Export.
4281 (copy_decl_for_dup): Split into ...
4282 (copy_decl_for_dup_finish, copy_decl_to_var,
4283 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
4284 (replace_ref_tree, inlining_p): Remove.
4286 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4288 * ifcvt.c (if_convert): Make it static.
4289 * rtl.h: Remove the prototype for if_convert.
4291 * local-alloc.c (local_alloc): Make it static.
4292 * rtl.h: Remove the prototype for local_alloc.
4294 * loop.c (loop_optimize): Make it static.
4295 * cfgloop.h: Remove the prototype for loop_optimize.
4298 2006-01-16 DJ Delorie <dj@redhat.com>
4300 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
4303 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4305 * pa.md: Disparage copies between general and floating-point registers
4306 in 32-bit move patterns.
4308 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
4311 * Makefile.in (check-%): Depend on site.exp instead of
4312 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
4315 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4317 * global.c (global_alloc): Make it static.
4318 * rtl.h: Remove the prototype for global_alloc.
4320 2006-01-16 Richard Guenther <rguenther@suse.de>
4322 * tree-ssa-alias.c (struct used_part): Add write_only field.
4323 (get_or_create_used_part_for): Initialize it to true.
4324 (create_overlap_variables_for): Don't create structure variables
4325 for structures that only are written to.
4326 (find_used_portions): Handle MODIFY_EXPR to track whether a
4327 structure is only written to.
4329 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4331 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
4333 * basic-block.h: Remove the prototype for
4334 partition_hot_cold_basic_blocks.
4336 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
4338 * cppspec.c (lang_specific_spec_functions): Remove.
4339 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
4340 * gcc.h (lang_specific_spec_functions): Remove.
4341 * gccspec.c (lang_specific_spec_functions): Remove.
4343 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
4345 * combine.c (record_value_for_reg): Invalidate registers
4347 (record_dead_and_set_regs_1): Likewise, by passing them to
4348 record_value_for_reg.
4349 (record_dead_and_set_regs): Invalidate stores made by a
4350 call. We do not combine across a call, but we still
4351 relied on equivalences.
4353 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4355 * tree-vrp.c (extract_range_from_binary_expr): Cope with
4356 vrp_int_const_binop returning non-constant nodes.
4358 2006-01-16 Paul Brook <paul@codesourcery.com>
4360 * config/m68k/m68k.c (output_move_const_into_data_reg):
4361 Output correct mnemonic for mvz and mvs.
4363 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
4365 * rtl-factoring.c: Add sequence abstraction algorithm.
4366 * cfgcleanup.c (outgoing_edges_match): Extra checks.
4367 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
4369 (block_has_preserve_label): New function.
4370 * common.opt: Register new pass.
4371 * Makefile.in: Ditto.
4373 * timevar.def: Ditto.
4374 * tree-pass.h: Ditto.
4375 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
4376 * rtl.h (make_jump_insn_raw): Add forward decl.
4377 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
4379 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4380 Roger Sayle <roger@eyesopen.com>
4382 * fold-const.c (fold_minmax): New static function.
4383 (fold_binary) <MIN_EXPR>: Call it.
4384 <MAX_EXPR>: Likewise.
4385 * stor-layout.c (place_field): Use DECL_SIZE consistently
4386 in the computation of the new record size.
4388 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4390 * cse.c (cse_condition_code_reg): Make it static.
4391 * rtl.h: Remove the prototype for cse_condition_code_reg.
4393 * combine.c (combine_instructions): Make it static.
4394 * rtl.h: Remove the prototype for combine_instructions.
4396 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4399 * tree.c (get_file_function_name_long): Concatenate the first global
4400 object name with a string derived from the input filename of the object
4403 2006-01-16 Ben Elliston <bje@au.ibm.com>
4405 * config/i386/winnt-stubs.c: Update FSF address.
4406 * config/xtensa/ieee754-df.S: Ditto.
4407 * config/xtensa/ieee754-sf.S: Ditto.
4409 2006-01-14 Ian Lance Taylor <ian@airs.com>
4411 * ifcvt.c (noce_init_if_info): New static function, broken out of
4412 noce_process_if_block.
4413 (noce_process_if_block): Call noce_init_if_info.
4414 (check_cond_move_block): New static function.
4415 (cond_move_process_if_block): New static function.
4416 (process_if_block): Call cond_move_process_if_block.
4418 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
4420 * cselib.c (hash_table): Rename to cselib_hash_table.
4421 (cselib_clear_table, discard_useless_values,
4422 remove_useless_values, cselib_lookup_mem, cselib_lookup,
4423 cselib_init, cselib_finish): Adjust uses of hash_table.
4425 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
4427 PR tree-optimization/25485
4428 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
4429 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
4430 is known to be false and true, respectively.
4432 2006-01-14 Richard Guenther <rguenther@suse.de>
4434 PR tree-optimization/22548
4435 PR tree-optimization/22555
4436 PR tree-optimization/22501
4437 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
4438 * params.def (salias-max-array-elements): New parameter.
4439 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
4440 * doc/invoke.texi (salias-max-array-elements): Document.
4441 * tree-flow-inline.h (var_can_have_subvars): We also handle
4443 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
4445 * tree-ssa-structalias.c (params.h): Include.
4446 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
4447 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
4448 (get_constraint_for): For ADDR_EXPR operating on something
4449 containing an ARRAY_REF, add all subvars to the solution.
4450 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
4451 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
4452 for creating MUST_DEFs.
4453 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
4455 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
4457 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
4459 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4460 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4461 number_of_iterations_le): New functions.
4462 (number_of_iterations_special): Removed.
4463 (number_of_iterations_exit): Do not use number_of_iterations_special.
4464 * tree.c (unsigned_type_for): Always return integer type.
4466 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
4467 Richard Guenther <rguenther@suse.de>
4469 PR rtl-optimization/24257
4470 * gcse.c (find_moveable_store): Only consider a store movable
4471 when the SET_SRC of the insn can be assigned to a register.
4473 2006-01-14 Ian Lance Taylor <ian@airs.com>
4475 * tree.c (tree_not_class_check_failed): New function.
4476 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
4477 (tree_not_class_check_failed): Declare.
4479 2006-01-13 Ian Lance Taylor <ian@airs.com>
4481 * reload1.c (do_output_reload): Add assertion rejecting a
4484 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
4486 * combine.c (struct reg_stat): Add new fields truncation_label and
4488 (record_value_for_reg): Reset truncated_to_mode.
4489 (record_truncated_value): New function.
4490 (check_promoted_subreg): Call it. Rename to check_conversions.
4491 (combine_instructions): Rename check_promoted_subreg to
4493 (reg_truncated_to_mode): New function.
4494 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
4495 (gen_lowpart_or_truncate): New function.
4496 (force_to_mode): Use it instead of gen_lowpart.
4498 2006-01-13 Diego Novillo <dnovillo@redhat.com>
4500 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
4501 VAR is a tag, not its type tag.
4503 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
4505 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
4506 alternatives to match style of other entries.
4507 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
4509 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
4511 PR tree-optimization/25771
4512 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
4515 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
4518 * tree-inline.c (declare_return_variable): If the return variable
4519 was marked as a non gimple complex, set the return slot variable
4520 to be a non gimple comple variable.
4522 2006-01-13 Richard Guenther <rguenther@suse.de>
4524 * builtins.c (expand_builtin_sincos): New function.
4525 (expand_builtin_mathfn_3): Remove dead code, sin and cos
4527 (expand_builtin): Expand sincos using expand_builtin_sincos.
4529 2006-01-12 DJ Delorie <dj@redhat.com>
4531 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
4532 shift counts, separate SI shifts for m32c vs m16c, pass shift type
4533 so that constant shifts can be split.
4534 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
4535 (m32c_valid_pointer_mode): Make static.
4536 (shift_gen_func_for): New.
4537 (m32c_prepare_shift): Use it. Split large const shifts into
4539 * config/m32c/predicates.md (shiftcount_operand): Allow more
4541 (longshiftcount_operand): New.
4542 * doc/md.texi (Machine Constraints): Document In6.
4544 2006-01-13 Ben Elliston <bje@au.ibm.com>
4546 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
4547 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
4550 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
4552 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
4553 to try to avoid clobbering pieces of structures when we know
4554 something about the whole structure.
4555 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
4557 2006-01-13 Ben Elliston <bje@au.ibm.com>
4559 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
4560 return in memory, as this is no limitation is no longer present.
4562 2006-01-12 DJ Delorie <dj@redhat.com>
4564 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
4565 mova with fb, and for fb+0 -> An.
4567 * config/m32c/mov.md (peephole2): Fix enabling logic.
4569 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4570 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
4571 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
4572 FINI_ARRAY_SECTION_ASM_OP): Define.
4574 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
4576 (m32c_legitimize_reload_address): New logic to reload FB to An.
4577 (m32c_output_reg_push): Add newline.
4578 (m32c_output_reg_pop): Likewise.
4580 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
4582 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
4584 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
4586 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4588 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4590 * config/sh/predicates.md (sh_rep_vec): Add parallel to
4593 2006-01-11 Ben Elliston <bje@au.ibm.com>
4595 * rtlanal.c (find_reg_note): Assert insn is not null.
4597 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4599 * df-scan.c (df_hard_reg_init): Move declaration of i outside
4602 2006-01-11 Jeff Law <law@redhat.com>
4604 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
4606 (mark_threaded_blocks, register_jump_thread): New functions.
4607 (thread_through_all_blocks): Remove unwanted argument. No
4608 longer rely on e->aux to communicate thread target info.
4609 Call mark_threaded_blocks. Release the threaded_blocks
4610 bitmap and threaded_edges vector when complete.
4611 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
4612 (threaded_blocks): Remove.
4613 (tree_ssa_dominator_optimize): Remove initialization and
4614 finalization of threaded_blocks. Simplify call to
4615 thread_through_all_blocks.
4616 (thread_across_edge): Call register_jump_thread rather than
4617 storing thread information into e->aux.
4618 (free_all_edge_infos): Simplify now that e->aux is no longer
4619 used to communicate with thread_through_all_blocks.
4620 * tree-flow.h (thread_through_all_blocks): Update prototype.
4621 (register_jump_thread): Prototype.
4623 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4625 * df-core.c (df_compact_blocks, df_bb_replace): Use
4626 SET_BASIC_BLOCK instead of BASIC_BLOCK.
4628 2006-01-11 Richard Guenther <rguenther@suse.de>
4630 PR tree-optimization/25734
4631 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
4632 stop propagation after successful propagation to the LHS.
4634 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4636 * basic-block.h (control_flow_graph): Change the type of
4637 x_basic_block_info to VEC(basic_block,gc) *.
4638 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
4640 (SET_BASIC_BLOCK): New.
4641 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
4642 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
4643 * cfgbuild.c (find_basic_blocks): Likewise.
4644 * cfglayout.c (fixup_reorder_chain): Likewise.
4645 * cfgrtl.c (create_basic_block_structure,
4646 rtl_create_basic_block): Likewise.
4647 * ifcvt.c (find_if_case_1): Likewise.
4648 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
4651 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4653 * Makefile.in: Removed rotted odf.c entry.
4655 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
4658 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
4659 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
4660 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
4661 output pattern modifier, not %e.
4662 * config/cris/cris.c (cris_op_str): Update comment about pattern
4664 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
4665 before falling through into...
4666 <case 'E'>: Redefined from old 'e' case.
4668 2006-01-11 Jan Hubicka <jh@suse.cz>
4671 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
4673 2006-01-11 Jan Hubicka <jh@suse.cz>
4675 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
4676 * i386.c (x86_decompose_lea): Kill.
4677 (ix86_rtx_costs): Kill.
4679 2006-01-11 Jan Hubicka <jh@suse.cz>
4681 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
4682 * cgraph.h (cgraph_node): Add inline_decl.
4683 (cgraph_insert_node_to_hashtable): Declare.
4684 (save_inline_function_body): Declare.
4685 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
4687 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
4688 (cgraph_function_versioning): Update call of tree_function_versioning.
4689 (save_inline_function_body): New function.
4690 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
4691 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
4692 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
4693 (cgraph_default_inline_p): Likewise.
4694 (cgraph_decide_inlining_incrementally): Likewise.
4695 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
4696 (copy_bb): Kill saving; do updating of clones.
4697 (copy_cfg_body): Kill saving.
4698 (initialize_inlined-parameters): Likewise.
4699 (expand_call_inline): Likewise.
4701 (tree_function_versioning): New parameter "update_clones".
4702 (inlining_p): Kill saving.
4703 * tree-inline.h (tree_function_versioning): Update prototype.
4704 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
4707 2006-01-11 Ian Lance Taylor <ian@airs.com>
4709 * combine.c (struct undo): Remove is_int. Enumify types of undos.
4710 Allow undoing set of machine mode.
4711 (do_SUBST): Use enums instead of is_int.
4712 (do_SUBST_MODE): New function.
4713 (SUBST_MODE): New macro.
4714 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
4715 reg and trying to replace reg_regno_rtx with a new register.
4716 (undo_all): Use new enums, handle undoing a PUT_MODE change.
4717 (simplify_set): Use SUBST_MODE.
4718 (distribute_notes): Remove code that tried to update reg notes
4719 for regno_reg_rtx changes.
4721 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
4723 PR tree-optimization/23109
4724 PR tree-optimization/23948
4725 PR tree-optimization/24123
4727 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
4728 * tree-cfg.c (single_noncomplex_succ): New.
4729 * tree-flow.h (single_noncomplex_succ): Declare it.
4730 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4731 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4732 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
4733 insert_bb, register_division_in, insert_reciprocals,
4734 replace_reciprocal, free_bb): New.
4735 (execute_cse_reciprocals_1): Rewritten.
4736 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
4737 Do not commit any edge insertion. Always compute dominators and
4738 create the allocation pool.
4739 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
4740 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
4741 * targhooks.c (default_min_divistions_for_recip_mul): New.
4742 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
4743 * passes.c (init_optimization_passes): Run recip after tree loop
4745 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
4747 2006-01-11 Danny Berlin <dberlin@dberlin.org>
4748 Kenneth Zadeck <zadeck@naturalbridge.com>
4750 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
4751 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
4752 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
4753 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
4754 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
4755 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
4756 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
4757 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
4758 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
4759 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
4760 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
4761 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
4762 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
4763 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
4764 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
4765 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
4766 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
4767 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
4768 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
4769 DF_SCAN_POST_ALLOC): New macros.
4770 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
4771 df_free_bb_function, df_local_compute_function, df_init_function,
4772 df_dataflow_function, df_confluence_function_0,
4773 df_confluence_function_n, df_transfer_function,
4774 df_finalizer_function, df_free_function, df_dump_problem_function,
4775 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
4776 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
4777 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
4778 df_urec_bb_info, ) New types.
4779 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
4781 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
4782 df_analyze_simple_change_some_blocks,
4783 df_analyze_simple_change_one_block, df_compact_blocks,
4784 df_bb_replace, df_bb_regno_last_use_find,
4785 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
4786 df_insn_regno_def_p, df_find_def, df_find_use,
4787 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
4788 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
4789 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
4790 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
4791 debug_df_chain, df_get_dependent_problem, df_chain_create,
4792 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
4793 df_grow_bb_info, df_chain_dump, df_print_bb_index,
4794 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
4795 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
4796 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
4797 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
4798 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
4799 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
4800 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
4801 df_ref_remove, df_insn_refs_delete, df_refs_delete,
4802 df_reorganize_refs, df_set_state, df_hard_reg_init,
4803 df_read_modify_subreg_p) New public functions.
4804 * df-core.c: The core dataflow solver and glue routines for rtl
4806 (df_init, df_add_problem, df_set_blocks, df_finish,
4807 df_hybrid_search_forward, df_hybrid_search_backward,
4808 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
4809 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
4810 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
4811 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
4812 df_reg_defined, df_find_use, df_reg_used, df_dump,
4813 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
4814 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
4815 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
4816 debug_df_useno, reset_df_after_reload): New functions.
4817 * df-scan.c: The scanning fuctions, once in df.c, completely
4818 rewritten so that they now fully model the functionality of
4819 register usage at the backend.
4820 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
4821 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
4822 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
4823 df_grow_insn_info, df_rescan_blocks, df_ref_create,
4824 df_get_artificial_defs, df_get_artificial_uses,
4825 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
4826 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
4827 df_refs_delete, df_reorganize_refs, df_set_state,
4828 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
4829 df_def_record_1, df_defs_record, df_uses_record,
4830 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
4831 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
4832 df_record_exit_block_uses, df_hard_reg_init): New functions.
4834 * df-problems.c: Seven concrete dataflow problems that use the
4835 scanning in df-scan.c and are solved by the engine in df-core.c.
4836 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
4837 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
4838 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
4839 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
4840 df_ru_free_bb_info, df_ru_alloc,
4841 df_ru_bb_local_compute_process_def,
4842 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
4843 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
4844 df_ru_transfer_function, df_ru_free, df_ru_dump,
4845 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
4846 df_rd_free_bb_info, df_rd_alloc,
4847 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
4848 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
4849 df_rd_transfer_function, df_rd_free, df_rd_dump,
4850 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
4851 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
4852 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
4853 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
4854 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
4855 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
4856 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
4857 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
4858 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
4859 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
4860 df_urec_mark_reg_change, df_urec_check_earlyclobber,
4861 df_urec_mark_reg_use_for_earlyclobber,
4862 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
4863 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
4864 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
4865 df_urec_dump, df_urec_add_problem, df_chain_alloc,
4866 df_chain_create_bb_process_use, df_chain_create_bb,
4867 df_chain_finalize, df_chain_free, df_chains_dump,
4868 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
4869 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
4870 df_reg_lifetime): New functions.
4871 * df.c: Deleted file.
4872 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
4873 consistent with new df api.
4874 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
4875 rest_of_handle_sms): Ditto.
4876 * web.c (unionfind_union, union_defs, entry_register, web_main):
4878 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
4879 invariant_expr_equal_p, find_defs, check_dependencies,
4880 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
4881 free_inv_motion_data, move_loop_invariants): Ditto.
4882 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
4883 Update dependencies.
4884 (odf.c): Added defective entry that was deleted later in day.
4885 * sched-deps.c (sched_analyze_1): Ditto.
4887 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
4889 * tree-ssa-operands.c (get_expr_operands): Record addressable
4890 variables directly. Do not call add_stmt_operands for CONST_DECLs
4892 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
4893 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
4895 2006-01-11 Ben Elliston <bje@au.ibm.com>
4897 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
4898 function returns true in the positive case.
4900 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4903 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
4904 for SI, DI, SF and DF modes. Add alternatives to copy between
4905 general and floating point registers to the 32-bit patterns.
4906 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
4907 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
4908 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
4909 generating 64-bit code.
4910 * config/pa/pa.c (output_move_double): Handle copies between general
4911 and floating registers.
4913 2006-01-10 Stuart Hastings <stuart@apple.com>
4915 * config/i386/i386.md (set_got): Update.
4916 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
4917 (builtin_setjmp_receiver): Mach-O support.
4918 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
4919 (GOT_SYMBOL_NAME): Define.
4920 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4921 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
4922 * config/i386/i386.c (override_options): Revise for Darwin.
4923 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
4924 support. (darwin_x86_file_end): New. (output_set_got): Add label
4925 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
4926 * config/i386/i386-protos.h (output_set_got): Likewise.
4927 * config/darwin.c (machopic_legitimize_pic_address): Update
4930 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
4932 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
4933 when MODE isn't BLKmode.
4935 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4937 PR rtl-optimization/25367
4938 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
4940 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
4943 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
4944 for a negative bound.
4946 2006-01-10 Richard Guenther <rguenther@suse.de>
4948 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4949 Never override with anything constraint.
4951 2006-01-10 Jan Beulich <jbeulich@novell.com>
4953 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
4954 256 bits when optimize_size.
4956 2006-01-10 Jan Beulich <jbeulich@novell.com>
4958 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
4960 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
4961 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
4964 2006-01-10 Ben Elliston <bje@au.ibm.com>
4966 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
4968 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
4969 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4970 (USE_FP_FOR_ARG): Reject decimal float modes.
4971 (function_arg_advance): Likewise.
4972 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
4973 (rs6000_handle_altivec_attribute): Do not permit decimal floating
4974 point types in AltiVec vectors.
4975 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
4976 (rs6000_libcall_value): Likewise.
4978 2006-01-09 Bob Wilson <bob.wilson@acm.org>
4980 * config/xtensa/ieee754-df.S: New file.
4981 * config/xtensa/ieee754-sf.S: New file.
4982 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
4983 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
4984 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
4986 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
4988 * config/sh/predicates.md (binary_float_operator,
4989 binary_logical_operator, commutative_float_operator,
4990 equality_comparison_operator, greater_comparison_operator,
4991 less_comparison_operator, logical_operator,
4992 noncommutative_float_operator, shift_operator,
4993 symbol_ref_operand, unary_float_operator): Remove redundant
4996 2006-01-09 Jeff Law <law@redhat.com>
4998 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
4999 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
5000 now unused arguments. Callers updated.
5001 (eliminate_redundant_computations): Remove now unused arguments,
5003 (local_fold): Remove, no longer used.
5004 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
5006 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
5007 (simplify_cond): New function.
5008 (forward_propagate_into_cond): Call simplify_cond.
5010 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
5012 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
5013 (*vec_extractv2di_1_sse): New.
5015 2006-01-09 Ben Elliston <bje@au.ibm.com>
5017 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
5019 2006-01-08 Richard Guenther <rguenther@suse.de>
5021 * tree-ssa-structalias.c (get_constraint_for): Remove
5023 (get_constraint_for_component_ref): Likewise.
5024 (do_deref): Likewise.
5025 (get_constraint_for): Likewise.
5026 (do_structure_copy): Likewise.
5027 (handle_ptr_arith): Likewise.
5028 (find_func_aliases): Likewise. Remove unused need_anyoffset
5031 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
5032 Kaz Kojima <kkojima@gcc.gnu.org>
5034 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
5035 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
5036 (EXTRA_CONSTRAINT_C16): Remove.
5037 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
5038 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
5039 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
5040 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
5041 constants of SHmedia. Handle nested constant expressions of
5043 (andcosts): Fix the costs for SHmedia constants.
5044 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
5045 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
5046 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
5047 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
5048 (movv4hi_i, movv2si_i): Likewise.
5049 (movsi_const): Adjust the second operand of ior so to match with
5051 (movdi_const, movdi_const_32bit): Likewise.
5052 (movdi_const_16bit+1): Don't sign-extend LOW.
5053 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
5055 (*double_shori): Fix the split condition. Use GEN_INT instead
5056 of get_int_mode calls. Mask lower 16-bit of the argument of
5058 (sym2GOTPLT): Remove.
5059 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
5061 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
5062 instead of EXTRA_CONSTRAINT_C16.
5064 2006-01-07 Ian Lance Taylor <ian@airs.com>
5065 David Edelsohn <edelsohn@gnu.org>
5067 PR rtl-optimization/25662
5068 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
5069 for constant operands instead of simplify_gen_binary.
5070 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
5071 after trying simplify_binary_operation
5073 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
5075 * tree.c (iterative_hash_expr): Hash decls based on UID.
5077 2006-01-06 Eric Christopher <echristo@apple.com>
5079 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
5080 (TARGET_UNWIND_EMIT): Fix spelling.
5081 * target.h (gcc_target): Add except_table_label.
5082 * except.c (output_function_exception_table): Use.
5083 * varasm.c (default_emit_except_table_label): New.
5084 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
5086 (asm_out): Add here.
5087 * output.h (default_emit_except_table_label): Prototype.
5088 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
5089 * config/darwin.c (darwin_emit_except_table_label): Define.
5090 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
5092 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
5094 PR tree-optimization/18527
5095 * tree-ssa-loop-niter.c (number_of_iterations_cond,
5096 number_of_iterations_special, number_of_iterations_exit):
5097 Move base and step of an iv to a single structure. Add
5098 no_overflow flag, and use it in # of iterations analysis.
5099 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
5100 folded_casts argument.
5101 (simple_iv): Pass base and step in a structure. Set no_overflow
5103 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
5104 Evaluate expensiveness of computing # of iterations instead of
5105 the final expression.
5106 * tree-scalar-evolution.h (affine_iv): New structure.
5107 (simple_iv): Declaration changed.
5108 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
5109 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
5110 find_givs_in_stmt): Changed due to simple_iv change.
5112 2006-01-06 Jeff Law <law@redhat.com>
5115 * tree-cfg.c (bsi_replace): Rename final argument from
5116 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
5117 change (stmt -> orig_stmt).
5118 * tree-eh.c (verify_eh_throw_stmt_node): New function.
5119 (bsi_remove): Add new argument. Remove EH information
5121 (verify_eh_throw_table_statements): New function.
5122 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
5124 * tree-optimize.c (execute_free_cfg_annotations): Verify
5125 the EH throw statement table after removing annotations.
5126 * except.h (verify_eh_throw_table_statements): Prototype.
5127 * tree-flow.h (bsi_remove): Update prototype.
5128 * tree-vrp.c (remove_range_assertions): Add new argument to
5130 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
5131 * tree-complex.c (expand_complex_div_wide): Likewise.
5132 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
5133 * tree-tailcall.c (eliminate_tailcall): Likewise.
5134 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
5135 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
5136 * tree-nrv.c (tree_nrv): Likewise.
5137 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
5138 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
5139 (combine_blocks): Likewise.
5140 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
5141 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
5142 (cleanup_control_flow): Likewise.
5143 (remove_forwarder_block): Likewise.
5144 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
5145 * tree-sra.c (sra_replace): Likewise.
5146 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
5147 (forward_propagate_single_use_vars): Likewise.
5148 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
5149 * tree-inline.c (expand_call_inline): Likewise.
5150 * tree-vect-transform.c (vect_transform_loop): Likewise.
5151 * tree-outof-ssa.c (rewrite_trees): Likewise.
5152 * tree-cfg.c (make_goto_expr_edges): Likewise.
5153 (cleanup_dead_labels): Likewise.
5154 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
5155 (bsi_move_before, bsi_move_after): Likewise.
5156 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
5157 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
5159 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
5162 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
5164 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
5165 on non gimple variables. Also add checks at the top for decls and
5167 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
5169 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
5170 and IMAGPART_EXPR for creating MUST_DEFs.
5171 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
5172 and NAME_MEMORY_TAG separately from the DECLs.
5174 2006-01-06 Richard Guenther <rguenther@suse.de>
5176 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
5177 annotation, if necessary.
5178 * tree-ssa-pre.c (create_expression_by_pieces): Remove
5179 redundant calls to update_stmt.
5180 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
5183 2006-01-05 Richard Henderson <rth@redhat.com>
5185 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
5187 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5189 * c-typeck.c: Update copyright date.
5191 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5193 * c-typeck.c (build_c_cast): Always warn when casting
5194 from a pointer to an integer of different size, even if
5195 the node was constant.
5197 2006-01-05 Richard Guenther <rguenther@suse.de>
5199 PR tree-optimization/22555
5200 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
5201 if one structure field is an array.
5202 * tree-ssa-operands.c (get_expr_operands): Continue scanning
5203 operands even if we found a subvar, but ignore VOPs in this
5205 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
5207 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
5209 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
5212 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
5214 2006-01-05 Richard Guenther <rguenther@suse.de>
5215 Diego Novillo <dnovillo@redhat.com>
5217 * tree-pass.h (TODO_remove_unused_locals): Define.
5218 * gimple-low.c (expand_var_p, remove_useless_vars,
5219 pass_remove_useless_vars): Remove. Update all users.
5220 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
5221 (remove_unused_locals): New function.
5222 * tree-flow.h (remove_unused_locals): Declare.
5223 * passes.c (execute_todo): Call remove_unused_locals if
5224 TODO_remove_unused_locals is set.
5225 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
5226 * tree-ssa-dce.c (pass_dce): Likewise.
5227 * tree-outof-ssa.c (pass_del_ssa): Likewise.
5229 2006-01-05 Richard Guenther <rguenther@suse.de>
5231 * tree-flow.h (struct fieldoff): Decompose field to
5232 type, size and decl.
5233 * tree-ssa-alias.c (create_sft): Take type as parameter.
5234 (create_overlap_variables_for): Store type, size and decl
5235 in the fieldoff structure.
5236 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
5238 (push_fields_onto_fieldstack): Likewise.
5239 (create_variable_info_for): Likewise. Use offset for the
5240 SFT name if the decl is not available.
5242 2006-01-04 Paul Brook <paul@codesourcery.com>
5244 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
5246 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
5248 * lambda-code.c (can_put_in_inner_loop): Relax
5250 (can_put_after_inner_loop): New function.
5251 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
5252 (perfect_nestify): Change to make copies and modify uses.
5254 2006-01-04 Richard Henderson <rth@redhat.com>
5256 Merge from gomp branch:
5257 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
5258 via integer constant.
5259 (pragma_lex): Remove.
5260 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
5261 rather than parsing it.
5262 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
5263 handle_pragma_extern_prefix): Add %< %> quotes.
5264 (registered_pragmas): New.
5265 (c_register_pragma_1): New.
5266 (c_register_pragma): Use it.
5267 (c_register_pragma_with_expansion): Likewise.
5268 (c_invoke_pragma_handler): New.
5269 (init_pragma): Use cpp_register_deferred_pragma directly for
5271 * c-pragma.h (enum pragma_kind): New.
5272 (pragma_handler): New.
5273 (c_invoke_pragma_handler): Declare.
5274 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
5276 * c-common.h (c_common_pch_pragma): Update decl.
5277 * Makefile.in (c-parser.o): Update dependencies.
5278 (GTFILES): Add c-pragma.h.
5279 * c-parser.c (struct c_token): Add pragma_kind.
5280 (struct c_parser): Add in_pragma.
5281 (c_lex_one_token): Always initialize keyword and pragma_kind.
5282 Extract data for CPP_PRAGMA.
5283 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
5284 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
5285 Don't allow CPP_PRAGMA_EOL if in_pragma.
5286 (c_parser_consume_pragma): New.
5287 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
5288 (c_parser_skip_to_end_of_parameter): Likewise.
5289 (c_parser_skip_to_end_of_block_or_statement): Likewise.
5290 (c_parser_skip_to_pragma_eol): New.
5291 (c_parser_external_declaration): Handle CPP_PRAGMA.
5292 (c_parser_compound_statement_nostart): Likewise.
5293 (c_parser_statement_after_labels): Likewise.
5294 (c_parser_pragma): New.
5295 (pragma_lex): Likewise.
5296 (c_parser_pragma_pch_preprocess): New.
5297 (c_parser_new): Merge into ...
5298 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
5300 2006-01-04 Jeff Law <law@redhat.com>
5303 * tree-cfg.c (bsi_replace): Remove the original statement
5304 from the EH throw statement table.
5306 2006-01-04 Jakub Jelinek <jakub@redhat.com>
5308 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
5309 make the prototype extern "C" and add throw ().
5312 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
5313 and pos non-negative and pos + len <= 32.
5314 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
5315 drop pos + len < HOST_BITS_PER_WIDE_INT test.
5316 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
5319 * c-common.c (handle_vector_size_attribute): Reject zero vector size
5320 as well as sizes not multiple of component size.
5323 * function.c (instantiate_expr): New function.
5324 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
5325 walk its DECL_VALUE_EXPR with instantiate_expr.
5327 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
5328 DW_OP_deref{,_size} if address isn't going to be added.
5330 2006-01-04 Ben Elliston <bje@au.ibm.com>
5332 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
5333 * config/fp-bit.c: Likewise.
5335 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
5337 * dominance.c: Add comment about why we use DFS numbering
5340 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5341 Richard Henderson <rth@redhat.com>
5343 Merge from gomp-branch:
5344 * varasm.c (assemble_variable): Handle thread-local COMMON data.
5345 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
5347 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
5349 PR rtl-optimization/25578
5350 * combine.c (combine_simplify_rtx, force_to_mode): Don't
5351 pass a parameter to simplify_shift_const if changing ASHIFTRT
5354 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
5356 * builtins.c (get_builtin_sync_mem): New function.
5357 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
5358 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
5359 Call get_builtin_sync_mem to generate mem rtx.
5361 2006-01-03 Richard Guenther <rguenther@suse.de>
5364 * stmt.c (add_case_node): Make sure to clear overflow flags
5367 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5369 Merge from gomp-branch.
5370 * config/sparc/sync.md: New file.
5371 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
5372 UNSPECV_LDSTUB): New constants.
5373 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
5374 * config/sparc/predicates.md (memory_reg_operand): New predicate.
5375 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
5378 2006-01-03 Roger Sayle <roger@eyesopen.com>
5380 * combine.c (reg_subword_p): New predicate to test whether the
5381 destination of a set refers to a subword/piece of a register.
5382 (try_combine): Generalize the code to merge the setting of a
5383 pseudo to a constant followed by a set of a subword of that
5384 register to a constant.
5386 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
5388 * basic-block.h (control_flow_graph): Change the type of
5389 x_label_to_block_map to VEC(basic_block,gc) *.
5390 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
5391 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
5393 * tree-ssa-propagate.c (cfg_blocks): Change the type to
5394 VEC(basic_block,heap) *.
5395 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
5396 ssa_prop_fini): Adjust the uses of cfg_blocks.
5398 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
5400 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
5402 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
5403 hashing trees instead of a pointer hash.
5404 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
5405 compare for MEM_EXPR.
5407 PR rtl-optimization/25130
5408 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
5409 when comparing MEMs for GCSE
5411 2006-01-03 Ben Elliston <bje@au.ibm.com>
5413 * targhooks.h (default_decimal_float_supported_p): Declare.
5414 * targhooks.c (default_decimal_float_supported_p): Define.
5415 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
5416 `default_decimal_float_supported_p'.
5417 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
5419 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
5421 * combine.c (apply_distributive_law <SUBREG>): Check
5422 TRULY_NOOP_TRUNCATION.
5424 2006-01-02 Geoffrey Keating <geoffk@apple.com>
5426 * dwarf2out.c (have_switched_text_section): Delete.
5427 (have_multiple_function_sections): New.
5428 (have_location_lists): Make 'bool'.
5429 (add_AT_loc_list): Use 'true' not '1'.
5430 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
5431 (output_loc_list): Use have_multiple_function_sections.
5432 (output_ranges): Likewise.
5433 (dwarf2out_begin_function): Set have_multiple_function_sections if
5435 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
5436 Check function_section rather than DECL_SECTION_NAME.
5437 (dwarf2out_finish): Use have_multiple_function_sections.
5438 Don't clear have_location_lists.
5440 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
5441 Jan Hubicka <jh@suse.cz>
5443 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
5444 case of conditional jump jumping to the next instruction.
5445 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
5446 cases of conditional jump jumping to the next instruction.
5448 2006-01-02 Jan Hubicka <jh@suse.cz>
5450 * i386.c (*_cost): Add COSTS_N_INSNS.
5451 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
5453 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
5456 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
5458 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5460 * config/arm/arm.c (all_fpus): Fix comment typo.
5461 * config/darwin.c: Likewise.
5462 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
5463 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
5464 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
5466 2006-01-01 David Edelsohn <edelsohn@gnu.org>
5468 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
5469 (rs6000_split_compare_and_swapqhi): New.
5470 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
5471 (sync_compare_and_swapqhi_internal): New.
5472 * config/rs6000/rs6000-protos.h: Declare.
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