1 2008-03-14 Bob Wilson <bob.wilson@acm.org>
3 * doc/invoke.texi (Option Summary, Xtensa Options): Document
4 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
5 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
6 unless TARGET_SERIALIZE_VOLATILE is enabled.
7 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
8 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
9 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
11 2008-03-14 Richard Guenther <rguenther@suse.de>
13 PR tree-optimization/34172
14 * tree-flow.h (refs_may_alias_p): Declare.
15 (get_single_def_stmt): Likewise.
16 (get_single_def_stmt_from_phi): Likewise.
17 (get_single_def_stmt_with_phi): Likewise.
18 * tree-dfa.c (refs_may_alias_p): New function.
19 (get_single_def_stmt): Likewise.
20 (get_single_def_stmt_from_phi): Likewise.
21 (get_single_def_stmt_with_phi): Likewise.
22 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
23 (vn_reference_lookup_1): New helper function.
24 (vn_reference_lookup): Walk the virtual use-def chain to
25 continue searching for a match if the def does not alias the
26 reference we are looking for.
28 2008-03-14 David Edelsohn <edelsohn@gnu.org>
30 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
31 archive and Perzl. Update The Written Word listing.
33 2008-03-14 Richard Guenther <rguenther@suse.de>
35 PR tree-optimization/34043
36 PR tree-optimization/33989
37 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
39 (bitmap_find_leader): Use extra argument to verify dominance
40 relationship inside a basic-block.
41 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
42 (find_leader_in_sets): Adjust.
43 (create_component_ref_by_pieces): Take extra argument for
44 dominance check, handle lookup failures.
45 (find_or_generate_expression): Likewise.
46 (create_expression_by_pieces): Likewise.
47 (insert_into_preds_of_block): Adjust.
48 (create_value_expr_from): If asked for, verify all operands
49 are in the blocks AVAIL_OUT set.
50 (make_values_for_stmt): Check for SSA_NAMEs that are life
51 over an abnormal edge.
52 (compute_avail): Remove such check.
53 (do_SCCVN_insertion): New function.
54 (eliminate): If we do not find a leader suitable for replacement
55 insert a replacement expression from SCCVN if available.
56 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
57 (struct vn_ssa_aux): Add needs_insertion flag.
58 * tree-ssa-sccvn.c (may_insert): New global flag.
59 (copy_reference_ops_from_ref): Value-number union member access
60 based on its size, not type and member if insertion is allowed.
61 (visit_reference_op_load): For a weak match from union type
62 punning lookup a view-converted value and insert a SSA_NAME
63 for that value if that is not found.
64 (visit_use): Make dumps shorter. Do not disallow value numbering
65 SSA_NAMEs that are life over an abnormal edge to constants.
66 (free_scc_vn): Release inserted SSA_NAMEs.
67 (run_scc_vn): New flag to specify whether insertion is allowed.
68 Process SSA_NAMEs in forward order.
69 * tree-ssa-loop-im.c (for_each_index): Handle invariant
70 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
71 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
72 pointer type to/from integral types that do not change the
73 precision to regular conversions.
75 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
77 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
78 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
79 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
80 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
81 input arguments and the mode of return value. Built-in functions
82 that operate on whole 64-bit MMX register now use V1DI mode.
84 2008-03-13 Alon Dayan <alond@il.ibm.com>
85 Olga Golovanevsky <olga@il.ibm.com>
87 PR tree-optimization/35041
88 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
89 to locate the right position in a statement.
91 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
95 * config/i386/xmmintrin.h: Change all static inline functions to
96 extern inline and add __gnu_inline__ attribute.
97 * config/i386/bmintrin.h: Ditto.
98 * config/i386/smmintrin.h: Ditto.
99 * config/i386/tmmintrin.h: Ditto.
100 * config/i386/mmintrin-common.h: Ditto.
101 * config/i386/ammintrin.h: Ditto.
102 * config/i386/emmintrin.h: Ditto.
103 * config/i386/pmmintrin.h: Ditto.
104 * config/i386/mmintrin.h: Ditto.
105 * config/i386/mm3dnow.h: Ditto.
107 2008-03-13 Jakub Jelinek <jakub@redhat.com>
110 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
111 (lower_omp_2): New function.
112 (lower_omp_1, lower_omp): Rewritten.
114 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
117 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
118 with the phrase "Microsoft Windows compilers".
119 (Push/Pop Macro Pragmas): New subsection. Document
120 #pragma push_macro and pragma pop_macro.
122 2008-03-12 Paul Brook <paul@codesourcery.com>
124 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
126 2008-03-12 Paul Brook <paul@codesourcery.com>
128 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
129 (thumb2_alusi3_short): Exclude PLUS and MINUS.
130 (thumb2_addsi_shortim): Rename ...
131 (thumb2_addsi_short): ... to this. Allow register operands.
132 (thumb2_subsi_short): New pattern.
133 (thumb2_one_cmplsi2_short,
134 thumb2_negsi2_short): New patterns and peepholes.
136 2008-03-12 Paul Brook <paul@codesourcery.com>
138 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
140 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
142 * config/i386/i386.md (int_cond): New code iterator.
144 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
145 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
146 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
147 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
148 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
149 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
150 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
151 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
153 2008-03-12 Paul Brook <paul@codesourcery.com>
155 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
156 instead of {arm,thumb}_compute_save_reg_mask.
157 (output_return_instruction): Ditto.
158 (thumb_unexpanded_epilogue): Ditto.
159 (thumb1_expand_prologue): Ditto.
160 (thumb1_output_function_prologue): Ditto.
161 (arm_set_return_address): Ditto.
162 (thumb_set_return_address): Ditto.
163 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
164 regs to achieve stack alignment.
165 (thumb1_compute_save_reg_mask): Fix compiler warning.
166 (arm_output_epilogue): Use offsets->saved_regs_mask.
167 Adjust stack pointer by poping call clobered registers.
168 (arm_expand_prologue): Use offsets->saved_regs_mask.
169 Adjust stack pointer by pushing extra registers.
170 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
172 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
175 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
176 conversion to the operands of a multiplication.
178 2008-03-12 Richard Guenther <rguenther@suse.de>
180 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
181 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
182 * timevar.def (TV_TREE_PHIPROP): Add.
183 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
184 pass description. Use TV_TREE_PHIPROP.
185 * tree-ssa-forwprop.c: Remove phiprop code.
187 2008-03-12 Jakub Jelinek <jakub@redhat.com>
190 * omp-low.c (maybe_lookup_decl): Constify first argument.
191 (use_pointer_for_field): Change last argument from bool to
192 omp_context *. Disallow shared copy-in/out in nested
193 parallel if decl is shared in outer parallel too.
194 (build_outer_var_ref, scan_sharing_clauses,
195 lower_rec_input_clauses, lower_copyprivate_clauses,
196 lower_send_clauses, lower_send_shared_vars): Adjust callers.
198 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
199 Ira Rosen <irar@il.ibm.com>
201 * tree-vectorizer.c (free_stmt_vec_info): New function.
202 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
203 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
204 * tree-vectorizer.h (free_stmt_vec_info): Declare.
205 * tree-vect-transform.c (vectorizable_conversion): Free
206 vec_oprnds0 if it was allocated.
207 (vect_permute_store_chain): Remove unused VECs.
208 (vectorizable_store): Free VECs that are allocated in the..
210 (vect_transform_strided_load, vectorizable_load): Likewise.
211 (vect_remove_stores): Simplify the code.
212 (vect_transform_loop): Move code to vect_remove_stores().
213 Call vect_remove_stores() and free_stmt_vec_info().
215 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
217 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
218 TARGET_HPUX. Revise comment.
219 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
220 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
221 Use sr4 variant of `be' instruction when not generating PIC code.
222 (attr_length_call): Adjust for above change.
224 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
226 * ipa-reference.c (static_execute): Remove module_statics_const and
227 associated setting code.
229 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
232 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
233 constraint for operand 1.
234 (paritysi2_cmp): Use register_operand constraint for operand 2.
235 Use earlyclobber modifier for operand 1. Remove support for
237 (paritydi2_cmp): Use register_operand constraint for operand 3.
238 Use earlyclobber modifier for operand 1. Remove support for
241 2008-03-11 Paul Brook <paul@codesourcery.com>
242 Vladimir Prus <vladimir@codesourcery.com>
244 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
245 (arm_compute_save_reg0_reg12_mask): Always
246 check if register 11 must be saved. Always safe hard frame pointer
247 when frame_pointer_needeed.
248 (arm_compute_save_reg_mask): Save IP and PC
249 only with apcs frames.
250 (arm_output_epilogue): Adjust Thumb2 codepath to
251 be also invoked and work for ARM non-apcs frames.
252 (arm_expand_prologue): Don't bother saving IP
253 for non-apcs frame, since it's not clobbered by
254 prologue code. Implement non-apcs frame
257 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
259 PR rtl-optimization/35281
260 * expr.c (convert_move): Use a new pseudo for the intermediate
261 from_mode->word_mode result.
263 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
265 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
266 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
267 * toplev.c (compile_file): Don't call it.
269 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
272 * expr.c (store_expr): Call emit_block_move if the mode
273 of "temp" RTX is BLKmode.
275 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
276 Richard Guenther <rguenther@suse.de>
278 PR tree-optimization/31358
279 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
280 the step with a NULL_TREE.
281 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
282 to sizetype if type is a pointer type.
283 (add_candidate_1): Don't convert the base and step to
284 the generic type if the orginal type is a pointer type.
285 (add_iv_value_candidates): Use sizetype for the step
286 if type is a pointer type.
287 (cand_value_at): Likewise.
288 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
290 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
291 Don't convert the tem affine to the type.
292 (add_elt_to_tree): Use sizetype for the step if a pointer.
293 Use POINTER_PLUS_EXPR for pointers.
294 (aff_combination_to_tree): Use sizetype for the step if a
297 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
299 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
300 Remove commutativity hint.
302 2008-03-10 Jakub Jelinek <jakub@redhat.com>
306 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
307 errorneous type. Check that v is a VAR_DECL.
310 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
312 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
314 PR tree-optimization/35494
315 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
316 may be overriden at link and run time.
318 2008-03-10 Richard Guenther <rguenther@suse.de>
320 PR tree-optimization/34677
321 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
322 (poolify_tree): Likewise.
323 (modify_expr_template): Likewise.
324 (poolify_modify_stmt): Likewise.
325 (insert_fake_stores): Handle all component-ref style stores
326 in addition to INDIRECT_REF. Also handle complex types.
327 Do not poolify the inserted load.
328 (realify_fake_stores): Do not rebuild the tree but only
329 make it a SSA_NAME copy.
330 (init_pre): Remove initialzation of modify_expr_template.
331 Do not allocate modify_expr_node_pool.
332 (fini_pre): Do not free modify_expr_node_pool.
334 2008-03-10 Paul Brook <paul@codesourcery.com>
336 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
339 2008-03-10 Paul Brook <paul@codesourcery.com>
340 Mark Shinwell <shinwell@codesourcery.com>
342 * config/arm/cortex-r4.md: New.
343 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
345 * config/arm/arm.md: Include cortex-r4.md.
346 (insn): Add smmls, sdiv and udiv values.
347 (generic_sched): Don't use generic scheduling for Cortex-R4.
348 (arm_issue_rate): New function.
349 (TARGET_SCHED_ISSUE_RATE): Define.
351 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
353 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
355 2008-03-10 Richard Guenther <rguenther@suse.de>
357 * tree-ssa-pre.c (get_sccvn_value): Simplify.
358 (compute_avail): Do not add stmt uses to AVAIL_OUT.
360 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
362 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
365 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
367 * c.opt (Wsynth): Deprecate.
368 * doc/invoke.texi (Option Summary, Warning Options): Document
369 -Wno-format-contains-nul.
371 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
374 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
375 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
377 2008-03-09 Ira Rosen <irar@il.ibm.com>
379 * config/rs6000/rs6000.c (builtin_description): Rename vector
380 left shift operations.
381 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
382 (altivec_vsl<VI_char>): Rename to ...
383 (ashl<mode>3): ... new name.
384 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
386 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
388 2008-03-08 Richard Guenther <rguenther@suse.de>
390 * coverage.h (tree_coverage_counter_addr): Declare.
391 * coverage.c (tree_coverage_counter_addr): New function.
392 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
394 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
395 (tree_gen_one_value_profiler): Likewise.
396 (tree_gen_ic_profiler): Likewise.
397 (tree_gen_average_profiler): Likewise.
398 (tree_gen_ior_profiler): Likewise.
400 2008-03-08 Richard Guenther <rguenther@suse.de>
402 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
403 (vn_binary_op_insert): Likewise.
404 (vn_unary_op_lookup): Likewise.
405 (vn_unary_op_insert): Likewise.
406 (vn_nary_op_lookup): Declare.
407 (vn_nary_op_insert): Likewise.
408 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
409 and binary hashes, use a single obstack for unary_op_pool
411 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
412 a single struct vn_nary_op_s. Store tree code length and
413 a variable number of operands.
414 (struct vn_reference_op_struct): Remove unused op2.
415 (vn_reference_op_eq): Do not compare op2.
416 (vn_reference_op_compute_hash): Do not compute hash of op2.
417 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
418 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
419 with vn_nary_op_compute_hash.
420 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
421 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
423 (vn_unary_op_insert, vn_binary_op_insert): Replace with
425 (visit_unary_op): Call nary functions.
426 (visit_binary_op): Likewise.
427 (process_scc): Adjust for struct vn_tables_s changes.
428 (allocate_vn_table): Likewise.
429 (free_vn_table): Likewise.
430 * tree-vn.c (vn_add): Call nary functions.
431 (vn_lookup): Likewise.
433 2008-03-08 Jakub Jelinek <jakub@redhat.com>
436 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
437 wdst back after sync_compare_and_swapqhi_internal.
439 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
442 * config/i386/i386-modes.def (V1DI): New vector mode.
443 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
444 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
446 (MMXMODE): Add V1DI mode.
447 (mmxvecsize): Change DI mode to V1DI mode.
448 ("mov<mode>): Use MMXMODEI8 mode iterator.
449 ("*mov<mode>_internal_rex64"): Ditto.
450 ("*mov<mode>_internal"): Ditto.
451 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
452 ("mmx_sub<mode>3"): Ditto.
453 ("mmx_adddi3"): Remove insn pattern.
454 ("mmx_subdi3"): Ditto.
455 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
456 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
457 ("mmx_ashl<mode>3"): Ditto.
458 ("mmx_lshrdi3"): Remove insn pattern.
459 ("mmx_ashldi3"): Ditto.
460 * config/i386/i386.c (classify_argument): Handle V1DImode.
461 (function_arg_advance_32): Ditto.
462 (function_arg_32): Ditto.
463 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
464 mmx_addv1di3 insn pattern.
465 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
466 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
467 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
468 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
469 Remove definitions of built-in functions.
470 (V1DI_type_node): New node.
471 (v1di_ftype_v1di_int): Ditto.
472 (v1di_ftype_v1di_v1di): Ditto.
473 (v2si_ftype_v2si_si): Ditto.
474 (v4hi_ftype_v4hi_di): Remove node.
475 (v2si_ftype_v2si_di): Ditto.
476 (ix86_init_mmx_sse_builtins): Handle V1DImode.
477 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
478 Redefine builtins using def_builtin_const with *_ftype_*_int node.
479 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
480 Add new builtins using def_builtin_const.
481 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
482 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
483 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
484 * config/i386/mmintrin.h (__v1di): New typedef.
485 (_mm_add_si64): Cast arguments to __v1di type.
486 (_mm_sub_si64): Ditto.
487 (_mm_sll_pi16): Cast __count to __v4hi type.
488 (_mm_sll_pi32): Cast __count to __v2si type.
489 (_mm_sll_si64): Cast arguments to __v1di type.
490 (_mm_srl_pi16): Cast __count to __v4hi type.
491 (_mm_srl_pi32): Cast __count to __v2si type.
492 (_mm_srl_si64): Cast arguments to __v1di type.
493 (_mm_sra_pi16): Cast __count to __v4hi type.
494 (_mm_sra_pi32): Cast __count to __v2si type.
495 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
496 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
497 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
498 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
499 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
500 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
501 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
502 (_mm_srai_pi32): Use __builtin_ia32_psradi.
503 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
504 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
505 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
506 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
508 2008-03-07 Joseph Myers <joseph@codesourcery.com>
510 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
512 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
515 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
516 reg+const addressing for Altivec modes. Don't generate reg+reg
517 addressing for TFmode or TDmode quantities.
519 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
521 * c-common.c (vector_types_convertible_p): Call langhook
522 instead of comptypes.
524 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
527 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
528 integral and scalar float variables which have a
531 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
533 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
534 dwarf_register_span hook when emitting unwind information for
535 register-to-memory saves.
536 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
537 (rs6000_frame_related): Remove call to spe_synthesize_frame.
539 2008-03-06 Jakub Jelinek <jakub@redhat.com>
541 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
542 for the same VAR_DECL.
544 2008-03-06 Tom Tromey <tromey@redhat.com>
547 * doc/standards.texi (Standards): Don't mention treelang.
548 * doc/invoke.texi (Overall Options): Don't mention treelang.
549 * doc/install.texi (Prerequisites): Don't mention bison or
551 (Configuration): Don't mention treelang.
552 (Building): Likewise.
553 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
555 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
557 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
558 word-extractions out of a multi-word object.
560 2008-03-06 Richard Guenther <rguenther@suse.de>
562 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
563 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
564 result type and precision.
565 * expr.c (get_inner_reference): Set unsignedp based on the result
566 type of BIT_FIELD_REF.
567 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
568 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
569 (try_instantiate_multiple_fields): Likewise. Use the correct type
571 (sra_build_assignment): Likewise.
572 (sra_build_elt_assignment): Likewise.
573 (sra_explode_bitfield_assignment): Likewise.
574 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
575 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
576 set BIT_FIELD_REF_UNSIGNED.
577 (vectorizable_load): Likewise.
579 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
581 * cse.c (cse_extended_basic_block): Invalidate artificial defs
584 2008-03-06 Richard Guenther <rguenther@suse.de>
586 * alias.c (struct alias_set_entry): Move has_zero_child field
587 to pack with alias_set.
589 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
591 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
594 2008-03-05 Ian Lance Taylor <iant@google.com>
596 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
598 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
600 * fwprop.c (update_df): Support width and offset parameters of
602 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
603 global_conflicts): Change DF_REF_EXTRACT to either
604 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
605 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
606 * df-scan.c (df_ref_record, df_defs_record,
607 df_ref_create_structure, df_def_record_1, df_uses_record,
608 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
609 df_bb_refs_collect, df_entry_block_defs_collect,
610 df_exit_block_uses_collect): Support new width and offset fields.
611 (ref_extract_pool): New storage pool.
612 (df_free_ref): New function.
613 (df_reg_chain_unlink, df_free_collection_rec,
614 df_sort_and_compress_refs): Call df_free_ref.
615 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
617 (df_ref_create_structure): Allocate df_ref_extract if offset and
618 width fields are used.
619 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
620 (df_uses_record): Get offset and width from ZERO_EXTRACT
622 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
623 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
624 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
625 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
626 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
627 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
628 (df_ref_extract): New structure.
629 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
630 (df_ref_create): Add width and offset parameters.
632 2008-03-05 Richard Guenther <rguenther@suse.de>
634 * tree-ssa-structalias.c (get_constraint_for_component_ref):
635 Use ranges_overlap_p.
636 (offset_overlaps_with_access): Rename
637 to ranges_overlap_p and move ...
638 * tree-flow-inline.h (ranges_overlap_p): ... here.
640 * tree.h (get_inner_reference, handled_component_p): Update
643 * tree.h (record_component_aliases, get_alias_set,
644 alias_sets_conflict_p, alias_sets_must_conflict_p,
645 objects_must_conflict_p): Move declarations ...
646 * alias.h (record_component_aliases, get_alias_set,
647 alias_sets_conflict_p, alias_sets_must_conflict_p,
648 objects_must_conflict_p): ... here.
650 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
652 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
654 * cfg.c: Include tree-flow.h.
655 (remove_edge_raw): Call redirect_edge_var_map_clear.
656 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
657 * tree-flow-inline.h (redirect_edge_var_map_def): New.
658 (redirect_edge_var_map_result): New.
659 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
660 PENDING_STMT use with redirect_edge_var_map_*.
661 * tree-ssa.c (edge_var_maps): New definition.
662 (redirect_edge_var_map_add): New.
663 (redirect_edge_var_map_clear): New.
664 (redirect_edge_var_map_dup): New.
665 (redirect_edge_var_map_vector): New.
666 (redirect_edge_var_map_destroy): New.
667 (ssa_redirect_edge): Replace PENDING_STMT use with
668 redirect_edge_var_map_*.
669 (flush_pending_stmts): Same.
670 (delete_tree_ssa): Destroy edge var map.
671 * tree-flow.h (struct _edge_var_map): New.
672 Define edge_var_map vector type.
673 Declare redirect_edge_var_map_* prototypes.
674 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
675 * tree-cfg.c (reinstall_phi_args): Replace
676 PENDING_STMT use with redirect_edge_var_map_*.
678 2008-03-05 Richard Guenther <rguenther@suse.de>
680 PR tree-optimization/35472
681 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
682 whose single use_stmt has a overlapping set of loaded and
683 stored symbols as that use_stmt might be a noop assignment then.
685 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
687 * gthr-rtems.h: Implement __gthread_mutex_destroy.
689 2008-03-05 Richard Guenther <rguenther@suse.de>
692 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
694 * tree-cfg.c (verify_expr): Verify it.
695 * fold-const.c (fold_truthop): Remove code generating
696 BIT_FIELD_REFs of structure bases.
697 (fold_binary): Likewise.
698 (fold_ternary): Position and size of BIT_FIELD_REFs are
699 always host integers.
700 (make_bit_field_ref): Remove.
701 (optimize_bit_field_compare): Remove.
702 (all_ones_mask_p): Remove.
704 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
707 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
708 (split_block_and_df_analyze): New. Split basic block and rebuild
710 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
712 (split_pattern_seq): Likewise.
713 (erase_matching_seqs): Likewise.
714 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
716 2008-03-04 Geoff Keating <geoffk@apple.com>
718 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
719 declaration and code.
720 (tree_invalid_nonnegative_warnv_p): Likewise.
722 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
724 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
725 examples. Truncate option-names then causing overfull hbox.
727 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
730 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
732 * configure: Rebuilt.
734 2008-03-04 Rafael Espindola <espindola@google.com>
736 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
737 (tree_unary_nonnegative_warnv_p): New.
738 (tree_binary_nonnegative_warnv_p): New.
739 (tree_single_nonnegative_warnv_p): New.
740 (tree_invalid_nonnegative_warnv_p): New.
741 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
743 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
746 * opts.c (handle_option): Postpone 'unknown option' errors only for
749 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
752 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
755 2008-03-04 Rafael Espindola <espindola@google.com>
757 * fold-const.c (tree_unary_nonzero_warnv_p): New.
758 (tree_binary_nonzero_warnv_p): New.
759 (tree_single_nonzero_warnv_p): New.
760 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
762 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
765 * fold-const.c (fold_cond_expr_with_comparison): Prevent
766 transformations for modes that have signed zeros.
767 * ifcvt.c (noce_try_abs): Ditto.
769 2008-03-04 Joseph Myers <joseph@codesourcery.com>
771 * config/i386/i386.c (override_options): Force
772 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
774 2008-03-04 Jan Hubicka <jh@suse.cz>
777 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
780 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
782 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
783 label to probe the stack.
785 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
787 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
788 (__gthr_win32_mutex_destroy): Declare.
789 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
790 __gthr_win32_mutex_destroy.
791 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
793 2008-03-03 Jan Hubicka <jh@suse.cz>
796 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
797 aggressive on inlining cold calls.
799 2008-03-03 Richard Guenther <rguenther@suse.de>
801 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
802 struct copies into the expression table.
803 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
804 (try_to_simplify): Likewise.
805 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
806 integral and pointer arguments which do not change the
807 precision to NOP_EXPRs.
808 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
809 VIEW_CONVERT_EXPR case.
811 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
813 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
814 defined in a loop at depth 0 is invariant.
815 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
816 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
817 be called at loop depth 0.
819 2008-03-02 Jakub Jelinek <jakub@redhat.com>
822 * gcc.c (process_command): Update copyright notice dates.
823 * gcov.c (print_version): Likewise.
824 * gcov-dump.c (print_version): Likewise.
825 * mips-tfile.c (main): Likewise.
826 * mips-tdump.c (main): Likewise.
828 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
831 * c-common.c (flag_permissive): Delete.
832 (constant_expression_warnings): Check flags first.
833 (constant_expression_error): New.
834 * c-common.h (flag_permissive): Delete.
835 (constant_expression_error): Declare.
836 * flags.h (flag_permissive): Declare. Update description.
837 * diagnostic.c (pedwarn): Update.
839 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
840 (permissive_error_kind): New.
841 * toplev.c (flag_permissive): Define. Update description.
842 * toplev.h (permissive_error_kind): Declare.
843 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
844 (pedwarn_c90): Use pedantic_warning_kind.
845 * c-opts.c (c_common_post_options): flag_permissive does not affect
846 flag_pedantic_errors.
848 2008-03-02 Joseph Myers <joseph@codesourcery.com>
850 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
851 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
852 __absvsi2, __absvDI2): Use unsigned arithmetic.
854 2008-03-02 Andi Kleen <ak@suse.de>
855 Richard Guenther <rguenther@suse.de>
857 * struct-equiv.c: Remove file.
858 * cfg_cleanup.c (condjump_equiv_p): Remove.
859 * Makefile.in (OBJS-common): Remove struct-equiv.o.
860 (struct-equiv.o): Remove rule.
861 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
862 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
863 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
865 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
867 * ifcvt.c (noce_process_if_block): Try to handle only the then
868 block if the else block exists but isn't suitable.
870 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
873 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
874 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
875 regression from previous patch.
877 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
880 * gthr.h: Add __gthread_mutex_destroy as a function that must be
882 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
883 * gthr-single.h (__gthread_mutex_destroy): Likewise.
884 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
885 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
886 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
887 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
888 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
889 (__gthread_mutex_destroy_function): Rename to
890 __gthread_mutex_destroy.
891 * gthr-dce.h (__gthread_mutex_destroy): Call
892 pthread_mutex_destroy.
893 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
894 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
895 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
897 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
899 * df-scan.c (df_ref_chain_change_bb): Simplify.
900 (df_insn_change_bb): Add new_bb argument. Simplify. Call
901 set_block_for_insn if there's any change.
902 * df.h ((df_insn_change_bb): Fix prototype.
903 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
904 df_insn_change_bb, don't call set_block_for_insn.
905 * emit-rtl.c (reorder_insns): Likewise.
906 * haifa-sched.c (move_insn): Likewise.
908 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
910 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
912 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
914 * tree-flow-inline.h (next_readonly_imm_use): Return
915 NULL_USE_OPERAND_P after the end.
917 2008-03-01 Richard Guenther <rguenther@suse.de>
919 PR tree-optimization/35411
920 * tree-sra.c (sra_build_assignment): Split conversion to
921 final type to a separate statement if we are not assigning
924 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
926 * fold-const.c (fold_convertible_p): Correct the logic to follow
927 that in fold_convert().
929 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
932 * tree-inline.c (build_duplicate_type): When we make a
933 duplicate type, make it unique in the canonical types system.
935 2008-02-29 Tom Tromey <tromey@redhat.com>
937 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
938 input_file_stack_history, input_file_stack_restored): Remove.
939 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
940 * input.h (struct file_stack): Remove.
941 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
942 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
944 * diagnostic.h (struct diagnostic_context) <last_module>: Change
946 (diagnostic_last_module_changed): Add 'map' argument.
947 (diagnostic_set_last_function): Likewise.
948 * diagnostic.c (undiagnostic_report_current_module): Iterate using
949 line map, not input_file_stack.
950 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
952 2008-02-29 Paul Brook <paul@codesourcery.com>
954 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
956 2008-02-29 Paul Brook <paul@codesourcery.com>
958 * config/arm/ieee754-df.S (muldf3): Use RET macros.
960 2008-02-29 Richard Guenther <rguenther@suse.de>
962 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
964 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
965 value for comparing for a store match.
966 (simplify_unary_expression): Do nothing for SSA_NAMEs.
967 (try_to_simplify): Do not do a full-blown reference lookup.
969 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
971 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
972 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
974 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
976 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
978 * tree-loop-linear.c (try_interchange_loops): Compare memory access
979 strides against cache sizes.
981 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
983 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
986 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
988 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
989 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
990 is smaller than the original promoted value.
991 (simplify_subreg): If OP is a SUBREG, try to preserve its
992 SUBREG_PROMOTED_VAR_P information.
994 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
996 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
997 (VN_INFO_GET): Allocate new objects on the obstack.
998 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
999 for rpo_numbers_temp, for consistency.
1000 (free_scc_vn): Free the obstack.
1002 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
1004 * doc/invoke.texi: Document -ftree-loop-distribution.
1005 * tree-loop-distribution.c: New.
1006 * tree-pass.h (pass_loop_distribution): New.
1007 * graphds.h (struct graph): Add htab_t indices.
1008 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
1009 * tree-vectorizer.c (rename_variables_in_loop): Extern.
1010 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
1011 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
1012 * tree-data-ref.c (debug_data_dependence_relations): New.
1013 (dump_data_dependence_relation): Also print data references.
1014 (free_data_ref): Extern.
1015 (same_access_functions): Moved...
1016 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
1017 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1018 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
1019 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
1020 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
1021 (stmts_from_loop): Skip LABEL_EXPR.
1022 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
1024 (build_rdg): Initialize rdg->indices htab.
1025 (free_rdg, stores_from_loop, ref_base_address,
1026 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
1027 have_similar_memory_accesses_1, ref_base_address_1,
1028 remove_similar_memory_refs): New.
1029 * tree-data-ref.h: Depend on tree-chrec.h.
1030 (debug_data_dependence_relations, free_data_ref): Declared.
1031 (same_access_functions): ... here.
1032 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
1034 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
1035 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
1036 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
1037 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1038 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
1039 rdg_vertex_for_stmt): Declared.
1040 (struct rdg_edge): Add level.
1042 (free_rdg, stores_from_loop, remove_similar_memory_refs,
1043 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
1045 (rdg_has_similar_memory_accesses): New.
1046 * tree-vect-analyze.c: Remove unused static decls.
1047 * lambda.h (dependence_level): New.
1048 * common.opt (ftree-loop-distribution): New.
1049 * tree-flow.h (mark_virtual_ops_in_bb,
1050 slpeel_tree_duplicate_loop_to_edge_cfg,
1051 rename_variables_in_loop): Declared.
1052 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
1053 (OBJS-common): Add tree-loop-distribution.o.
1054 (tree-loop-distribution.o): New rule.
1055 * tree-cfg.c (mark_virtual_ops_in_bb): New.
1056 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
1057 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
1059 2008-02-28 Joseph Myers <joseph@codesourcery.com>
1062 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
1063 other than structures and unions.
1065 2008-02-28 Richard Guenther <rguenther@suse.de>
1068 2008-02-26 Richard Guenther <rguenther@suse.de>
1070 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1071 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1072 (lookup_decl_from_uid): Declare.
1073 (remove_decl_from_map): Likewise.
1074 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1075 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1076 (decl_for_uid_map): New global hashtable mapping DECL_UID
1078 (init_ttree): Allocate it.
1079 (insert_decl_to_uid_decl_map): New helper function.
1080 (make_node_stat): Insert new decls into the map.
1081 (copy_node_stat): Likewise.
1082 (lookup_decl_from_uid): New function.
1083 (remove_decl_from_map): Likewise.
1084 (print_decl_for_uid_map_statistics): New helper.
1085 (dump_tree_statistics): Call it.
1087 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1088 (referenced_var_iterator): Adjust.
1089 (FOR_EACH_REFERENCED_VAR): Adjust.
1090 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1091 (num_referenced_vars): Adjust.
1092 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1093 (first_referenced_var): Remove.
1094 (end_referenced_vars_p): Likewise.
1095 (next_referenced_var): Likewise.
1096 (referenced_var_iterator_set): New helper function.
1097 * tree-dfa.c (referenced_var_lookup): Adjust.
1098 (referenced_var_check_and_insert): Likewise.
1099 (remove_referenced_var): Likewise.
1100 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1101 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1102 (verify_call_clobbering): Likewise.
1103 (verify_memory_partitions): Likewise.
1104 (init_tree_ssa): Allocate bitmap instead of hashtable for
1106 (delete_tree_ssa): Adjust.
1107 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1108 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1109 (compute_tag_properties): Likewise.
1110 (set_initial_properties): Likewise.
1111 (find_partition_for): Likewise.
1112 (update_reference_counts): Likewise.
1113 (dump_may_aliases_for): Likewise.
1114 * tree-ssa-operands.c (add_virtual_operand): Likewise.
1115 (add_call_clobber_ops): Likewise.
1116 (add_call_read_ops): Likewise.
1117 (get_asm_expr_operands): Likewise.
1118 * tree-into-ssa.c (dump_decl_set): Likewise.
1119 (update_ssa): Likewise.
1120 * tree-sra.c (scan_function): Likewise.
1121 (decide_instantiations): Likewise.
1122 (scalarize_parms): Likewise.
1123 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1124 (dsa_named_for): Likewise.
1125 * tree-ssa-structalias.c (update_alias_info): Likewise.
1126 (merge_smts_into): Likewise.
1128 2008-02-27 David Daney <ddaney@avtrex.com>
1131 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
1132 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
1133 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
1134 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
1135 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
1137 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
1140 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
1141 (BUILT_IN_NEXTTOWARD): Remove.
1142 (BUILT_IN_NEXTTOWARDF): Ditto.
1143 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
1144 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
1146 2008-02-27 Tom Tromey <tromey@redhat.com>
1148 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
1149 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
1151 2008-02-27 Jan Beulich <jbeulich@novell.com>
1153 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
1154 update the respective field on newdecl.
1156 2008-02-27 Revital Eres <eres@il.ibm.com>
1158 PR rtl-optimization/34999
1159 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
1160 crossing edges that ends with a call insn.
1161 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
1162 call insn and clear the EDGE_CROSSING flag of the crossing edge
1163 when fixing fallthru edges.
1165 2008-02-27 Richard Guenther <rguenther@suse.de>
1168 * fold-const.c (fold_unary): Return the correct argument,
1169 converted to the result type.
1171 2008-02-27 Richard Guenther <rguenther@suse.de>
1174 * expr.c (expand_expr_real_1): Assert on rotates that operate
1176 * fold-const.c (fold_binary): Use the types precision, not the
1177 bitsize of the mode if folding rotate expressions. Build rotates
1178 only for full modes.
1180 2008-02-27 Jakub Jelinek <jakub@redhat.com>
1182 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
1184 * c-pragma.c (pragma_ns_name): New typedef.
1185 (registered_pp_pragmas): New variable.
1186 (c_pp_lookup_pragma): New function.
1187 (c_register_pragma_1): If flag_preprocess_only, do nothing
1188 for non-expanded pragmas, for expanded ones push pragma's
1189 namespace and name into registered_pp_pragmas vector.
1190 (c_invoke_pragma_handler): Register OpenMP pragmas even when
1191 flag_preprocess_only, don't register GCC pch_preprocess
1192 pragma if flag_preprocess_only.
1193 * c-opts.c (c_common_init): Call init_pragma even if
1194 flag_preprocess_only.
1195 * c-pragma.c (c_pp_lookup_pragma): New prototype.
1196 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
1197 cpp_register_pragma if flag_preprocess_only.
1199 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1202 * c-parser.c (c_parser_translation_unit): Warn for empty
1203 translation unit, not empty source file.
1205 2008-02-26 Paul Brook <paul@codesourcery.com>
1207 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
1208 operand for Thumb-2.
1209 * config/arm/arm.h (reg_class): Add CORE_REGS.
1210 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
1211 (BASE_REG_CLASS): Use CORE_REGS.
1212 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
1213 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
1214 (REGNO_OK_FOR_INDEX_P): Exclude SP.
1215 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
1216 ARM_REGNO_OK_FOR_INDEX_P.
1217 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
1218 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
1219 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
1220 (ldm/stm peepholes): Ditto.
1221 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
1222 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
1223 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
1224 * config/arm/constraints.md: Enable "k" constraint on ARM.
1226 2008-02-27 Ben Elliston <bje@au.ibm.com>
1228 * config/rs6000/rs6000.c: Annotate cache line size field in all
1229 instances of struct processor_costs.
1231 2008-02-26 David Edelsohn <edelsohn@gnu.org>
1233 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
1234 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
1235 jump_bypass): New counters.
1236 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
1237 * dce.c (gate_ud_dce): Same.
1238 (gate_fast_dce): Same.
1239 * dse.c (gate_dse1): New function.
1240 (gate_dse2): New function.
1241 (gate_dse): Merge results of new gate functions.
1242 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
1243 (gate_handle_jump_bypass): Add dbg_cnt.
1244 (gate_handle_gcse): Add dbg_cnt.
1245 * ifcvt.c (gate_handle_if_conversion): Same.
1246 (gate_handle_if_after_combine): Same.
1247 (gate_handle_if_after_reload): Same.
1248 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
1250 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
1252 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
1254 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
1256 2008-02-26 Jason Merrill <jason@redhat.com>
1259 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
1260 alone if it's the naming decl for the type's main variant.
1262 2008-02-26 Tom Tromey <tromey@redhat.com>
1264 * system.h (USE_MAPPED_LOCATION): Poison.
1265 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
1266 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
1267 (make_goto_expr_edges): Likewise.
1268 (remove_bb): Likewise.
1269 (execute_warn_function_return): Likewise.
1270 * basic-block.h (struct edge_def) <goto_locus>: Change type to
1272 * c-common.c (fname_decl): Remove old location code.
1273 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
1275 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
1277 (ASM_INPUT_SOURCE_LOCATION): Likewise.
1278 (gen_rtx_ASM_INPUT): Likewise.
1279 (gen_rtx_ASM_INPUT_loc): Likewise.
1280 (get_rtx_asm_OPERANDS): Remove.
1281 * cfglayout.c (insn_locators_alloc): Remove old location code.
1282 (set_curr_insn_source_location): Likewise.
1283 (curr_insn_locator): Likewise.
1284 * print-tree.c (print_node): Remove old location code.
1285 * tree-mudflap.c (mf_varname_tree): Remove old location code.
1286 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
1287 * cfgexpand.c (expand_gimple_cond_expr): Don't use
1288 location_from_locus.
1289 (construct_exit_block): Remove old location code.
1290 * emit-rtl.c (force_next_line_note): Remove old location code.
1291 * profile.c (branch_prob): Remove old location code.
1292 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
1293 LOC_LINE): Remove old-location variants.
1294 * langhooks.c (lhd_print_error_function): Remove old location
1296 * configure, config.in: Rebuilt.
1297 * configure.ac (--enable-mapped-location): Remove.
1298 * c-decl.c (c_init_decl_processing): Remove old location code.
1299 (finish_function): Likewise.
1300 * recog.c (decode_asm_operands): Remove old location code.
1301 * c-pch.c (c_common_read_pch): Remove old location code.
1302 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
1304 * gimple-low.c (lower_function_body): Remove old location code.
1305 * toplev.c (unknown_location): Remove.
1306 (push_srcloc): Remove old-location variant.
1307 (process_options): Remove old location code.
1308 (lang_dependent_init): Likewise.
1309 * input.h (UNKNOWN_LOCATION): Move definition.
1310 (location_t): Undeprecate.
1311 (source_locus): Remove.
1312 (location_from_locus): Remove.
1313 (struct location_s): Remove.
1314 Remove all old-location code.
1315 (input_line, input_filename): Remove.
1316 * final.c (final_scan_insn): Remove old location code.
1317 * diagnostic.c (diagnostic_build_prefix): Remove
1318 USE_MAPPED_LOCATION test.
1319 * tree.h (gimple_stmt) <locus>: Now a location_t.
1320 (tree_exp) <locus>: Likewise.
1321 (DECL_IS_BUILTIN): Remove old-location variant.
1322 (annotate_with_file_line, annotate_with_locus): Likewise.
1323 (expr_locus, set_expr_locus): Update.
1324 * tree.c (build1_stat): Remove old location code.
1325 (last_annotated_node): Remove.
1326 (annotate_with_file_line): Remove old-location variant.
1327 (annotate_with_locus): Likewise.
1328 (expr_location): Remove old location code.
1329 (set_expr_location): Likewise.
1330 (expr_has_location): Likewise.
1331 (expr_locus): Likewise.
1332 (set_expr_locus): Likewise.
1333 (expr_filename): Don't use location_from_locus.
1334 (expr_lineno): Likewise.
1335 * rtl-error.c (location_for_asm): Remove old location code.
1336 * c-lex.c (cb_line_change): Remove old location code.
1337 (fe_file_change): Likewise.
1338 (cb_def_pragma): Likewise.
1339 (c_lex_with_flags): Likewise.
1340 * gengtype.c (do_typedef): Don't special-case location types.
1341 (define_location_structures): Remove.
1342 (main): Don't call define_location_structures.
1343 * tree-pretty-print.c (dump_implicit_edges): Remove old location
1346 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1349 * builtins.def (BUILT_IN_STDARG_START): Remove.
1350 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
1351 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
1352 * tree-inline.c (inline_forbidden_p_1): Likewise.
1354 2008-02-26 Richard Guenther <rguenther@suse.de>
1356 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1357 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1358 (lookup_decl_from_uid): Declare.
1359 (remove_decl_from_map): Likewise.
1360 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1361 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1362 (decl_for_uid_map): New global hashtable mapping DECL_UID
1364 (init_ttree): Allocate it.
1365 (insert_decl_to_uid_decl_map): New helper function.
1366 (make_node_stat): Insert new decls into the map.
1367 (copy_node_stat): Likewise.
1368 (lookup_decl_from_uid): New function.
1369 (remove_decl_from_map): Likewise.
1370 (print_decl_for_uid_map_statistics): New helper.
1371 (dump_tree_statistics): Call it.
1373 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1374 (referenced_var_iterator): Adjust.
1375 (FOR_EACH_REFERENCED_VAR): Adjust.
1376 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1377 (num_referenced_vars): Adjust.
1378 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1379 (first_referenced_var): Remove.
1380 (end_referenced_vars_p): Likewise.
1381 (next_referenced_var): Likewise.
1382 (referenced_var_iterator_set): New helper function.
1383 * tree-dfa.c (referenced_var_lookup): Adjust.
1384 (referenced_var_check_and_insert): Likewise.
1385 (remove_referenced_var): Likewise.
1386 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1387 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1388 (verify_call_clobbering): Likewise.
1389 (verify_memory_partitions): Likewise.
1390 (init_tree_ssa): Allocate bitmap instead of hashtable for
1392 (delete_tree_ssa): Adjust.
1393 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1394 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1395 (compute_tag_properties): Likewise.
1396 (set_initial_properties): Likewise.
1397 (find_partition_for): Likewise.
1398 (update_reference_counts): Likewise.
1399 (dump_may_aliases_for): Likewise.
1400 * tree-ssa-operands.c (add_virtual_operand): Likewise.
1401 (add_call_clobber_ops): Likewise.
1402 (add_call_read_ops): Likewise.
1403 (get_asm_expr_operands): Likewise.
1404 * tree-into-ssa.c (dump_decl_set): Likewise.
1405 (update_ssa): Likewise.
1406 * tree-sra.c (scan_function): Likewise.
1407 (decide_instantiations): Likewise.
1408 (scalarize_parms): Likewise.
1409 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1410 (dsa_named_for): Likewise.
1411 * tree-ssa-structalias.c (update_alias_info): Likewise.
1412 (merge_smts_into): Likewise.
1414 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1417 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
1418 * c-opts.c (c_common_handle_option): Wall enables
1419 Wvolatile-register-var.
1420 * common.opt: Move Wvolatile-register-var to...
1423 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1425 * common.opt (Wlarger-than=): New.
1426 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
1428 * opts.c (common_handle_option): Handle -Wlarger-than=.
1429 * optc-gen.awk: Likewise.
1430 * opth-gen.awk: Likewise.
1431 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
1432 * tree-optimize.c (tree_rest_of_compilation): Likewise.
1434 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1436 * c-common.c (match_case_to_enum_1): Add appropriate
1437 OPT_W* parameter to warning.
1438 (c_do_switch_warnings): Likewise.
1439 * c-typeck.c (warning_init): Add one more parameter following
1441 (push_init_level): Update call to warning_init.
1442 (pop_init_level): Likewise.
1443 (add_pending_init): Likewise.
1444 (output_init_element: Likewise.
1446 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1449 * toplev.c (toplev_main): If there are warnings or error, print
1450 errors for ignored options.
1451 * opts.c (ignored_options): New static variable.
1452 (postpone_unknown_option_error): New.
1453 (print_ignored_options): New.
1454 (handle_option): Postpone errors for unknown -Wno-* options.
1455 * opts.h (print_ignored_options): Declare.
1457 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
1459 * config/mips/mips.md (loadgp_blockage, blockage): Change type
1462 2008-02-25 Richard Guenther <rguenther@suse.de>
1465 2008-02-25 Richard Guenther <rguenther@suse.de>
1467 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1468 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1469 (lookup_decl_from_uid): Declare.
1470 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1471 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1472 (decl_for_uid_map): New global hashtable mapping DECL_UID
1474 (init_ttree): Allocate it.
1475 (insert_decl_to_uid_decl_map): New helper function.
1476 (make_node_stat): Insert new decls into the map.
1477 (copy_node_stat): Likewise.
1478 (lookup_decl_from_uid): New function.
1479 (print_decl_for_uid_map_statistics): New helper.
1480 (dump_tree_statistics): Call it.
1482 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1483 (referenced_var_iterator): Adjust.
1484 (FOR_EACH_REFERENCED_VAR): Adjust.
1485 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1486 (num_referenced_vars): Adjust.
1487 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1488 (first_referenced_var): Remove.
1489 (end_referenced_vars_p): Likewise.
1490 (next_referenced_var): Likewise.
1491 (referenced_var_iterator_set): New helper function.
1492 * tree-dfa.c (referenced_var_lookup): Adjust.
1493 (referenced_var_check_and_insert): Likewise.
1494 (remove_referenced_var): Likewise.
1495 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1496 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1497 (verify_call_clobbering): Likewise.
1498 (verify_memory_partitions): Likewise.
1499 (init_tree_ssa): Allocate bitmap instead of hashtable for
1501 (delete_tree_ssa): Adjust.
1502 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1503 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1504 (compute_tag_properties): Likewise.
1505 (set_initial_properties): Likewise.
1506 (find_partition_for): Likewise.
1507 (update_reference_counts): Likewise.
1508 (dump_may_aliases_for): Likewise.
1509 * tree-ssa-operands.c (add_virtual_operand): Likewise.
1510 (add_call_clobber_ops): Likewise.
1511 (add_call_read_ops): Likewise.
1512 (get_asm_expr_operands): Likewise.
1513 * tree-into-ssa.c (dump_decl_set): Likewise.
1514 (update_ssa): Likewise.
1515 * tree-sra.c (scan_function): Likewise.
1516 (decide_instantiations): Likewise.
1517 (scalarize_parms): Likewise.
1518 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1519 (dsa_named_for): Likewise.
1520 * tree-ssa-structalias.c (update_alias_info): Likewise.
1521 (merge_smts_into): Likewise.
1523 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
1526 * doc/invoke.texi (-fcx-limited-range): Document new option.
1527 * toplev.c (process_options): Handle -fcx-fortran-rules.
1528 * common.opt: Add documentation for -fcx-fortran-rules.
1530 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
1533 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
1534 actual behaviour and C99.
1536 2008-02-26 Ben Elliston <bje@au.ibm.com>
1538 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
1539 (ASM_CPU_POWER6_SPEC): Likewise.
1540 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
1541 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
1542 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
1544 2008-02-25 Richard Guenther <rguenther@suse.de>
1546 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1547 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1548 (lookup_decl_from_uid): Declare.
1549 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1550 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1551 (decl_for_uid_map): New global hashtable mapping DECL_UID
1553 (init_ttree): Allocate it.
1554 (insert_decl_to_uid_decl_map): New helper function.
1555 (make_node_stat): Insert new decls into the map.
1556 (copy_node_stat): Likewise.
1557 (lookup_decl_from_uid): New function.
1558 (print_decl_for_uid_map_statistics): New helper.
1559 (dump_tree_statistics): Call it.
1561 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1562 (referenced_var_iterator): Adjust.
1563 (FOR_EACH_REFERENCED_VAR): Adjust.
1564 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1565 (num_referenced_vars): Adjust.
1566 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1567 (first_referenced_var): Remove.
1568 (end_referenced_vars_p): Likewise.
1569 (next_referenced_var): Likewise.
1570 (referenced_var_iterator_set): New helper function.
1571 * tree-dfa.c (referenced_var_lookup): Adjust.
1572 (referenced_var_check_and_insert): Likewise.
1573 (remove_referenced_var): Likewise.
1574 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1575 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1576 (verify_call_clobbering): Likewise.
1577 (verify_memory_partitions): Likewise.
1578 (init_tree_ssa): Allocate bitmap instead of hashtable for
1580 (delete_tree_ssa): Adjust.
1581 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1582 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1583 (compute_tag_properties): Likewise.
1584 (set_initial_properties): Likewise.
1585 (find_partition_for): Likewise.
1586 (update_reference_counts): Likewise.
1587 (dump_may_aliases_for): Likewise.
1588 * tree-ssa-operands.c (add_virtual_operand): Likewise.
1589 (add_call_clobber_ops): Likewise.
1590 (add_call_read_ops): Likewise.
1591 (get_asm_expr_operands): Likewise.
1592 * tree-into-ssa.c (dump_decl_set): Likewise.
1593 (update_ssa): Likewise.
1594 * tree-sra.c (scan_function): Likewise.
1595 (decide_instantiations): Likewise.
1596 (scalarize_parms): Likewise.
1597 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1598 (dsa_named_for): Likewise.
1599 * tree-ssa-structalias.c (update_alias_info): Likewise.
1600 (merge_smts_into): Likewise.
1602 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
1605 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
1606 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
1607 * alias.h (nonoverlapping_memrefs_p): Likewise.
1609 2008-02-25 Jan Beulich <jbeulich@novell.com>
1611 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
1612 * config/i386/netware-libgcc.exp: Add __bswap?i2,
1613 __emultls_get_address, __emultls_register_common,
1614 __floatundi?f, and _Unwind_GetIPInfo.
1615 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
1616 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
1617 (gen_regparm_prefix): Likewise.
1618 (i386_nlm_encode_section_info): Sync with
1619 config/i386/winnt.c:i386_pe_encode_section_info().
1620 (i386_nlm_maybe_mangle_decl_assembler_name): New.
1621 i386_nlm_mangle_decl_assembler_name): New.
1622 (netware_override_options): New.
1623 * config/i386/netware.h (netware_override_options): Declare.
1624 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
1625 (i386_nlm_mangle_decl_assembler_name): Declare.
1626 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
1628 2008-02-25 Ben Elliston <bje@au.ibm.com>
1631 * c-decl.c (grokdeclarator): Remove unused local variables
1632 `typedef_type' and `type_as_written'.
1634 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
1635 unused local variable `has_hot_blocks'.
1636 (fix_crossing_conditional_branches): Remove unused local variable
1639 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
1642 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
1643 using DEF_C99_BUILTIN.
1644 (BUILT_IN_NANF): Ditto.
1645 (BUILT_IN_NANL): Ditto.
1647 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
1648 Revital Eres <eres@il.ibm.com>
1650 * modulo-sched.c (calculate_must_precede_follow): Address TODO
1651 regarding the order of two dependent insns in the same row.
1653 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
1655 * stor-layout.c (layout_decl): Do not bump the alignment of a
1656 bit-field to more than byte alignment if it is packed.
1658 2008-02-24 David Edelsohn <edelsohn@gnu.org>
1660 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
1663 2008-02-24 Diego Novillo <dnovillo@google.com>
1665 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
1668 * tree-vrp.c (vrp_evaluate_conditional): With
1669 -Wtype-limits, emit a warning when comparing against a
1670 constant outside the natural range of OP0's type.
1671 * c.opt (Wtype-limits): Move ...
1672 * common.opt (Wtype-limits): ... here.
1674 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
1676 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
1677 * config/rs6000/e300c2c3.md: New file.
1678 * config/rs6000/rs6000.c (processor_costs): Add new costs for
1680 (rs6000_override_options): Add e300c2 and e300c3 cases to
1681 processor_target_table. Do not allow usage of Altivec or Spe
1682 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
1683 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
1684 * config/rs6000/rs6000.h (processor_type): Add
1685 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
1686 (ASM_CPU_SPEC): Add e300c2 and e300c3.
1687 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
1688 and ppce300c3. Include e300c2c3.md.
1690 2008-02-23 David Edelsohn <edelsohn@gnu.org>
1692 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
1693 instead of TARGET_STRICT_ALIGN.
1695 2008-02-23 Joseph Myers <joseph@codesourcery.com>
1697 * explow.c (memory_address): Assert that the generated address is
1700 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1703 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
1704 * config/darwin-ppc-ldouble-patch.def: New file.
1705 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
1706 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
1707 SUBTARGET_INIT_BUILTINS if defined.
1708 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
1711 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
1714 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
1715 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
1717 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
1720 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
1721 file" warning condtional on -Winvalid-PCH.
1723 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
1725 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
1727 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
1731 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
1732 prevent reload from using MMX registers.
1733 (*mov<mode>_internal): Ditto.
1734 (*movv2sf_internal_rex64): Ditto.
1735 (*movv2sf_internal): Ditto.
1737 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1739 PR documentation/31569
1740 * doc/install.texi2html: Use makeinfo --no-number-sections.
1742 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
1744 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
1745 ensure that we can address an entire entity > 8 bytes. Don't
1746 generate reg+reg addressing for such data.
1748 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
1750 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
1751 strings when optimizing for size, unless the target cares about
1754 2008-02-22 Tom Tromey <tromey@redhat.com>
1756 * regclass.c (current_pass): Remove declaration.
1758 2008-02-22 Anatoly Sokolov <aesok@post.ru>
1760 * config/avr/libgcc.S (__RAMPZ__): Define.
1761 (__do_copy_data): Add for devices with 128KB code memory.
1763 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
1765 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
1767 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
1769 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
1771 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
1774 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1777 * c-typeck.c (build_binary_op): Warn about floating point
1778 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
1780 2008-02-21 Janis Johnson <janis187@us.ibm.com>
1783 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
1784 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
1786 (rs6000_override_options): Set altivec_abi as default, not override,
1787 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
1788 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
1789 is used; use new member spe_abi.
1790 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
1791 spe_abi and altivec_abi.
1793 2008-02-22 Tomas Bily <tbily@suse.cz>
1795 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
1797 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1800 * config.build (build_file_translate): Set to `CMD //c' only if
1802 * Makefile.in (build_file_translate): Improve comment.
1804 2008-02-21 Jan Hubicka <jh@suse.cz>
1806 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
1807 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
1808 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
1810 2008-02-21 Michael Matz <matz@suse.de>
1813 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
1815 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
1817 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
1818 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
1820 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
1821 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
1822 SSE_VEC_FLOAT_MODE_P as insn constraint.
1823 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
1824 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
1825 sse4a_movntdf using MODEF mode iterator.
1826 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
1827 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
1828 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
1829 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
1830 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
1831 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
1832 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
1834 2008-02-21 Richard Guenther <rguenther@suse.de>
1836 * tree.def (PAREN_EXPR): New tree code.
1837 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
1839 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
1840 * expr.c (expand_expr_real_1): Likewise.
1841 * tree-inline.c (estimate_num_insns_1): Likewise.
1842 * tree-complex.c (expand_complex_move): Likewise.
1843 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
1846 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
1849 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
1851 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
1854 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
1856 * config/sh/sh.c (find_barrier): Don't go past
1857 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
1859 2008-02-20 DJ Delorie <dj@redhat.com>
1861 * config/h8300/h8300.md (insv): Force source operand to be a register.
1863 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
1864 as a jump, not as a plain insn.
1866 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
1868 * doc/invoke.texi (Warning Options): Add new option
1869 -Wframe-larger-than=.
1870 (-Wframe-larger-than): Document.
1872 * flags.h (warn_frame_larger_than, frame_larger_than_size):
1873 Add declarations for new option variables.
1875 * final.c (final_start_function): Check the frame size
1876 before emission and issue a Wframe-larger-than warning.
1878 * opts.c (warn_frame_larger_than, frame_larger_than_size):
1879 Add definitions for new option variables.
1880 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
1882 * common.opt (Wframe-larger-than=): New option.
1884 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
1886 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
1887 (<sse>_div<mode>3): Ditto.
1888 (<sse>_vmdiv<mode>3): Ditto.
1889 (<sse>_vmsqrt<mode>2): Ditto.
1890 (*smax<mode>3): Ditto.
1891 (sse5_frcz<mode>2): Ditto.
1892 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
1895 2008-02-20 Richard Guenther <rguenther@suse.de>
1898 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
1899 be happy with INTEGRAL_TYPE_P.
1901 2008-02-20 Richard Guenther <rguenther@suse.de>
1903 * fold-const.c (split_tree): Associate floatig-point expressions
1904 if flag_associative_math is set.
1906 2008-02-20 Richard Guenther <rguenther@suse.de>
1908 * tree.h (fold_real_zero_addition_p): Declare.
1909 * fold-const.c (fold_real_zero_addition_p): Export.
1910 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
1911 floating-point operations with zero and one.
1913 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
1915 * doc/install.texi: Correct references to CFLAGS, replacing them
1916 with BOOT_CFLAGS. Document flags used during bootstrap for
1919 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
1921 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
1922 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
1923 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
1925 (smin<mode>3): Ditto from similar patterns.
1926 (smax<mode>3): Ditto.
1927 (*ieee_smin<mode>3): Ditto.
1928 (*ieee_smax<mode>3): Ditto.
1929 * config/i386/sse.md (sse): New mode attribute.
1930 (mov<mode>): Macroize expander from movv4sf and movv2df using
1931 SSEMODEF2P mode iterator.
1932 (<sse>_movnt<mode>): Ditto from similar patterns. Use
1933 SSE_VEC_FLOAT_MODE_P as insn constraint.
1934 (storent<mode>): Ditto.
1935 (storent<mode>): Macroize expander from storentsf and storentdf using
1936 MODEF mode iterator.
1937 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
1938 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
1939 (abs<mode>2): Ditto from similar patterns.
1940 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
1941 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
1942 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
1943 (<sse>_vmsqrt<mode>2): Ditto.
1944 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
1945 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
1946 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
1947 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
1948 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
1949 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
1950 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
1952 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
1953 iterator and SSE_FLOAT_MODE_P as insn constraint.
1954 (<sse>_ucomi): Ditto from similar patterns.
1955 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
1956 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
1957 SSE_VEC_FLOAT_MODE_P as insn constraint.
1958 (vcond<mode>): Ditto from similar patterns.
1959 (and<mode>3, *and<mode>3): Ditto.
1960 (<sse>_nand<mode>3): Ditto.
1961 (ior<mode>3, *ior<mode>3): Ditto.
1962 (xor<mode>3, *xor<mode>3): Ditto.
1963 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
1964 iterator and SSE_FLOAT_MODE_P as insn constraint.
1965 (*nand<mode>3): Ditto from similar patterns.
1966 (*ior<mode>3): Ditto.
1967 (*xor<mode>3): Ditto.
1969 2008-02-20 Ira Rosen <irar@il.ibm.com>
1971 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
1972 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
1973 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
1975 2008-02-19 Jan Hubicka <jh@suse.cz>
1977 * predict.c (tree_bb_level_predictions): Remove variable next
1978 mistakely introduced by previous commit.
1980 2008-02-19 Jan Hubicka <jh@suse.cz>
1982 * predict.c (predict_paths_leading_to): Rewrite.
1983 (predict_paths_for_bb): New.
1984 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
1986 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1989 * Makefile.in (build_file_translate): New.
1990 (gcc-vers.texi): Use it for translating $(abs_srcdir).
1991 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
1992 * configure.ac (build_file_translate): Substitute it.
1993 * configure: Regenerate.
1995 2008-02-19 Jan Hubicka <jh@suse.cz>
1997 PR rtl-optimization/34408
1998 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
2001 2008-02-19 Jan Hubicka <jh@suse.cz>
2004 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
2007 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
2010 * config/i386/i386-modes.def: Revert the last DI alignment
2011 change until Ada people can look into it.
2013 2008-02-19 Nick Clifton <nickc@redhat.com>
2015 * opts.c (print_specific_help): Fix typo in --help text.
2017 2008-02-19 Jakub Jelinek <jakub@redhat.com>
2020 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
2021 32-bit inline asm without asm alternatives for host GCC < 3.0.
2023 2008-02-19 Richard Guenther <rguenther@suse.de>
2025 PR tree-optimization/34989
2026 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
2027 Allow propagation to INDIRECT_REF if we can simplify only.
2029 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2031 * c-common.c (warn_for_collisions_1): Use appropriate option when
2034 2008-02-19 Nick Clifton <nickc@redhat.com>
2037 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
2038 (handle_options): Fix indentation.
2039 (print_filtered_help): If no language-specific options were
2040 displayed tell the user how to list all the options supported by
2041 the language's front-end.
2042 (print_specific_help): Fix indentation and remove duplicate line.
2043 (common_handle_option): Handle the -v option.
2044 For --help enable the display of undocumented options if the -v
2045 switch has been included on the command line.
2046 For --help= check for overlaps in the arguments between the option
2047 classes and the language names and issue a warning when they
2048 cannot be disambiguated.
2049 * c.opt (v): Pass on to the common option handler.
2051 2008-02-19 Revital Eres <eres@il.ibm.com>
2053 * modulo-sched.c (sms_schedule): Change dump message when
2054 create_ddg function fails.
2055 (try_scheduling_node_in_cycle): Rename row to cycle.
2056 (print_partial_schedule): Rename CYCLE to ROW.
2058 2008-02-19 Christian Bruel <christian.bruel@st.com>
2059 Zdenek Dvorak <ook@ucw.cz>
2061 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
2063 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
2066 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
2067 (*x86_movdicc_0_m1_se): Ditto.
2069 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
2071 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
2072 (CMPtype): Define as __gcc_CMPtype.
2073 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
2074 (CMPtype): Define as __gcc_CMPtype.
2076 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
2078 Support valgrind 3.3 for --enable-checking=valgrind.
2079 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
2081 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
2082 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
2083 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
2084 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
2085 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
2086 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
2087 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
2089 * ggc-zone.c: Similar.
2090 * ggc-page.c: Similar.
2092 2008-02-19 Paul Brook <paul@codesourcery.com>
2095 * config/arm/ieee754-df.S: Fix do_it typo.
2096 * config/arm/ieee754-sf.S: Fix do_it typo.
2098 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
2101 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
2102 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
2103 (OPTION_MASK_ISA_SSE_SET): Likewise.
2104 (OPTION_MASK_ISA_SSE2_SET): Likewise.
2105 (OPTION_MASK_ISA_SSE3_SET): Likewise.
2106 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
2107 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
2108 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
2109 (OPTION_MASK_ISA_SSE4_SET): Likewise.
2110 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
2111 (OPTION_MASK_ISA_SSE5_SET): Likewise.
2112 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
2113 (OPTION_MASK_ISA_MMX_UNSET): Updated.
2114 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
2115 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
2116 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
2117 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
2118 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
2119 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
2120 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
2121 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
2122 (OPTION_MASK_ISA_SSE4): Removed.
2123 (ix86_handle_option): Turn on bits in ix86_isa_flags and
2124 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
2125 (override_options): Don't turn on implied SSE/MMX bits in
2128 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
2130 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2133 2008-02-18 Joey Ye <joey.ye@intel.com>
2136 * tree-nested.c (insert_field_into_struct): Set type alignment
2137 to field alignment if the former is less than the latter.
2139 2008-02-18 Jakub Jelinek <jakub@redhat.com>
2141 * BASE-VER: Set to 4.4.0.
2143 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2145 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
2146 * doc/cfg.texi: Likewise.
2147 * doc/extend.texi: Likewise.
2148 * doc/gty.texi: Likewise.
2149 * doc/invoke.texi: Likewise.
2150 * doc/loop.texi: Likewise.
2151 * doc/md.texi: Likewise.
2152 * doc/passes.texi: Likewise.
2153 * doc/rtl.texi: Likewise.
2154 * doc/sourcebuild.texi: Likewise.
2155 * doc/tm.texi: Likewise.
2156 * doc/tree-ssa.texi: Likewise.
2158 2008-02-17 Richard Guenther <rguenther@suse.de>
2161 * tree-complex.c (init_parameter_lattice_values): Handle parameters
2162 without default definition.
2164 2008-02-17 Richard Guenther <rguenther@suse.de>
2166 PR tree-optimization/35231
2167 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
2170 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
2174 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
2175 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2176 libgcc_cmp_return mode.
2178 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2181 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
2183 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
2185 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
2188 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2190 * doc/c-tree.texi: Use `@.' where appropriate.
2191 * doc/extend.texi: Likewise.
2192 * doc/install.texi: Likewise.
2193 * doc/invoke.texi: Likewise.
2194 * doc/loop.texi: Likewise.
2195 * doc/makefile.texi: Likewise.
2196 * doc/md.texi: Likewise.
2197 * doc/passes.texi: Likewise.
2198 * doc/standards.texi: Likewise.
2199 * doc/tm.texi: Likewise.
2201 2008-02-15 Jakub Jelinek <jakub@redhat.com>
2204 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
2206 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
2207 rather than in entry_bb.
2209 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
2211 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2212 libgcc_cmp_return mode.
2214 2008-02-15 Jakub Jelinek <jakub@redhat.com>
2217 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
2218 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
2220 2008-02-15 Richard Guenther <rguenther@suse.de>
2221 Zdenek Dvorak <ook@ucw.cz>
2223 PR tree-optimization/35164
2224 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
2225 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
2226 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
2227 Only propagate addresses which do not have abnormal SSA_NAMEs
2230 2008-02-15 Joseph Myers <joseph@codesourcery.com>
2233 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
2235 2008-02-15 Jan Hubicka <jh@suse.cz>
2238 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
2240 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
2243 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
2244 when calculating alignment_pad.
2246 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
2248 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
2249 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
2250 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
2251 and STACK_BOUNDARY define.
2253 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
2255 PR preprocessor/35061
2256 * c-pragma.c (handle_pragma_pop_macro): Check that
2257 pushed_macro_table has been allocated.
2259 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
2262 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
2263 (force_gimple_operand): Likewise.
2264 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
2265 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
2266 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
2267 (find_interesting_uses_address): Check addressability and alignment
2268 of the base expression only after substituting bases of IVs into it.
2270 2008-02-14 Michael Matz <matz@suse.de>
2273 * function.c (instantiate_virtual_regs_in_insn): Reload address
2274 before falling back to reloading the whole operand.
2276 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
2278 * config/s390/s390.c (s390_mainpool_start): Emit the pool
2279 before the first section switch note.
2281 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2283 * doc/bugreport.texi: Update copyright years.
2284 * doc/c-tree.texi: Likewise.
2285 * doc/cfg.texi: Likewise.
2286 * doc/cpp.texi: Likewise.
2287 * doc/cppinternals.texi: Likewise.
2288 * doc/fragments.texi: Likewise.
2289 * doc/frontends.texi: Likewise.
2290 * doc/gcc.texi: Likewise.
2291 * doc/gty.texi: Likewise.
2292 * doc/hostconfig.texi: Likewise.
2293 * doc/implement-c.texi: Likewise.
2294 * doc/libgcc.texi: Likewise.
2295 * doc/loop.texi: Likewise.
2296 * doc/makefile.texi: Likewise.
2297 * doc/options.texi: Likewise.
2298 * doc/passes.texi: Likewise.
2299 * doc/rtl.texi: Likewise.
2300 * doc/sourcebuild.texi: Likewise.
2301 * doc/standards.texi: Likewise.
2302 * doc/tree-ssa.texi: Likewise.
2303 * doc/trouble.texi: Likewise.
2305 * doc/extend.texi: Use @: or add comma where appropriate.
2306 * doc/invoke.texi: Likewise.
2307 * doc/tm.texi: Likewise.
2309 2008-02-14 Alan Modra <amodra@bigpond.net.au>
2312 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
2315 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
2317 * doc/md.texi (clz, ctz): Add reference.
2318 * doc/rtl.texi (clz, ctz): Likewise.
2320 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2323 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
2326 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
2328 * config/s390/s390.c (struct constant_pool): New field
2329 emit_pool_after added.
2330 (s390_mainpool_start): Set the emit_pool_after flag according
2331 to the section switch notes.
2332 (s390_mainpool_finish): Consider emit_pool_after when emitting
2333 the literal pool at the end of the function.
2334 (s390_chunkify_start): Force literal pool splits at section
2337 2008-02-13 Michael Matz <matz@suse.de>
2340 * var-tracking.c (clobber_variable_part): Correctly traverse the
2343 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2346 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
2347 Add -fdump-ipa-inline.
2348 * tree-dump.c (dump_files): Remove tree-inlined dump.
2349 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
2351 2008-02-12 Richard Guenther <rguenther@suse.de>
2353 PR tree-optimization/35171
2354 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
2357 2008-02-12 Richard Guenther <rguenther@suse.de>
2360 * fold-const.c (fold_widened_comparison): Use get_unwidened in
2361 value-preserving mode. Disallow final truncation.
2363 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
2366 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
2367 code from here to...
2368 (force_gimple_operand): ...here.
2370 2008-02-12 Jakub Jelinek <jakub@redhat.com>
2373 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
2374 non-compatible pointers.
2375 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
2376 different FIELD_DECLs, try harder by comparing field offsets, sizes
2380 * function.c (match_asm_constraints_1): Don't replace the same input
2383 2008-02-12 Anatoly Sokolov <aesok@post.ru>
2385 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
2386 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
2387 (expand_epilogue): Restore RAMPZ register.
2388 * config/avr/avr.md (RAMPZ_ADDR): New constant.
2390 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
2392 * config/i386/cygwin.asm: (__alloca): Correct calling
2393 convention and alignment.
2394 (__chkstk): Force 8 byte stack alignment.
2396 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
2397 Richard Guenther <rguenther@suse.de>
2399 PR tree-optimization/33992
2400 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
2401 the zero we compare against.
2403 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
2406 * gthr-win32.h (__gthread_mutex_destroy_function): New function
2407 to CloseHandle after unlocking to prevent accumulation of handle
2410 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2413 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
2414 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
2415 and update LABEL_NUSES during and after reload.
2417 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
2420 * combine.c (simplify_if_then_else): Make sure the comparison is
2421 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
2423 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
2426 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
2427 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
2428 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
2429 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
2430 * tree.h (get_type_static_bounds): Likewise.
2432 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2434 * doc/invoke.texi (Option Summary, C++ Dialect Options)
2435 (Objective-C and Objective-C++ Dialect Options, Warning Options):
2436 Make -Wfoo language annotations match what the compiler outputs.
2438 2008-02-08 Sa Liu <saliu@de.ibm.com>
2440 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
2441 intrinsics spu_convts, spu_convtu, spu_convtf.
2442 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
2444 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
2446 * doc/extend.texi (Function Attributes) <noinline>: Mention
2447 asm ("") as method to keep calls.
2449 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2452 * doc/options.texi (Options): Replace references to opts.sh with
2454 * opts-common.c: Likewise.
2455 * optc-gen.awk: Likewise.
2457 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
2459 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
2461 2008-02-07 Richard Henderson <rth@redhat.com>
2464 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
2465 EXPR_LIST for the REG_EQUAL instead of a comparison with a
2468 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
2470 PR tree-optimization/35085
2471 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
2472 for operand entry oe2 in addition to operand entry oe3 in order to
2473 expose more opportunities for vectorizer sum reduction.
2475 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2478 * Makefile.in (LIBS): Remove $(GMPLIBS).
2479 (cc1-dummy, cc1): Add $(GMPLIBS).
2481 2008-02-06 Jan Hubicka <jh@suse.cz>
2484 * i386.md (moddf_integer): Do not produce partial memory stalls for
2485 targets where it hurts.
2487 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
2490 * optabs.c (expand_float): Do not check for decimal modes when
2491 expanding unsigned integer through signed conversion.
2493 2008-02-06 Nick Clifton <nickc@redhat.com>
2495 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
2496 inside the clobber with a match_operand and duplicated operand
2497 number in the constraint.
2498 (ineqbranchsi): Delete redundant comment.
2500 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
2502 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
2503 builtin_define ("__USE_INIT_FINI__").
2504 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
2506 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
2508 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2510 PR documentation/30330
2511 * doc/invoke.texi (C++ Dialect Options)
2512 (Objective-C and Objective-C++ Dialect Options, Warning Options):
2513 For each warning option -Wfoo that allows -Wno-foo, ensure both
2514 -Wfoo and -Wno-foo are listed in the option index. Fix index
2515 entry of -Wswitch-default, index -Wnormalized= including the
2516 `=', and -Wlarger-than-@var{len} including @var{len}.
2518 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
2520 * config/i386/i386.md (floatunssisf2): Use
2521 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
2522 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
2523 Macroize expander using MODEF mode iterator.
2525 2008-02-05 Diego Novillo <dnovillo@google.com>
2527 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
2530 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
2532 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2535 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
2537 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
2540 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
2541 to indicate if a message should be generated.
2542 (init_cumulative_args): Updated.
2543 (function_value_32): Likewise.
2545 2008-02-05 Joseph Myers <joseph@codesourcery.com>
2547 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
2549 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
2552 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
2553 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
2555 2008-02-04 Diego Novillo <dnovillo@google.com>
2557 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
2560 * tree-vrp.c (vrp_evaluate_conditional): With
2561 -Wtype-limits, emit a warning when comparing against a
2562 constant outside the natural range of OP0's type.
2564 2008-02-04 Richard Guenther <rguenther@suse.de>
2567 * expr.c (count_type_elements): Give for unions instead of
2570 2008-02-04 Richard Guenther <rguenther@suse.de>
2573 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
2574 to TYPE_DOMAINs base type instead of using bitsizetype here.
2576 2008-02-03 Jason Merrill <jason@redhat.com>
2578 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
2580 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2583 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
2584 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
2585 (RS/6000 and PowerPC Options): Fix typos and markup.
2586 * doc/passes.texi (Tree-SSA passes): Likewise.
2588 2008-02-02 Michael Matz <matz@suse.de>
2591 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
2592 from record_last_reg_set_info.
2593 (record_last_reg_set_info): Take an RTX argument, iterate over all
2594 constituent hardregs.
2595 (record_last_set_info, record_opr_changes): Change calls to
2596 new signature or to record_last_reg_set_info_regno.
2598 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
2600 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
2602 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
2604 PR rtl-optimization/34773
2605 * reg-notes.def (EQUAL): Mention significance of combination of
2606 REG_EQUAL and REG_RETVAL.
2607 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
2608 insn that has a REG_RETVAL.
2610 2008-02-01 Roger Sayle <roger@eyesopen.com>
2613 * configure.ac (--enable-fixed-point): Disable unless explicitly
2615 * configure: Regenerate.
2617 2008-02-01 Richard Guenther <rguenther@suse.de>
2620 * invoke.texi (-finline-limit): Remove no longer true parts
2621 of the documentation. Note that there is no default value.
2623 2008-02-01 Andrew Pinski <pinskia@gmail.com>
2624 Mark Mitchell <mark@codesourcery.com>
2625 Ben Elliston <bje@au.ibm.com>
2628 * doc/extend.texi (Other Builtins): Document.
2630 2008-01-31 Tom Browder <tom.browder@gmail.com>
2632 * doc/c-tree.texi (Types): Fix grammar.
2633 (Expression trees): Ditto.
2634 * doc/passes.texi (Tree-SSA passes): Ditto.
2636 * doc/configterms.texi (Configure Terms): Fix typo.
2637 * doc/cpp.texi (Common Predefined Macros): Ditto.
2638 * doc/md.texi (Machine Constraints): Ditto.
2640 * doc/makefile.texi (Makefile): Add comma.
2642 2008-01-31 Tom Browder <tom.browder@gmail.com>
2643 Gerald Pfeifer <gerald@pfeifer.com>
2645 * doc/sourcebuild.texi (Front End): Remove references to CVS
2646 and CVSROOT/modules.
2647 (Texinfo Manuals): Replace reference to CVS by one to SVN.
2648 (Back End): Remove reference to CVS.
2650 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
2653 * config/mips/mips.c (gen_load_const_gp): New function, taking a
2655 (mips16_gp_pseudo_reg): ...here.
2656 * config/mips/mips.md (load_const_gp): Replace with...
2657 (load_const_gp_<mode>): ...this :P-based insn.
2659 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2661 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
2662 options. Minor fixes.
2663 (-std): Move reference to standards closer to where language
2664 standards are first mentioned.
2666 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
2668 PR rtl-optimization/34995
2669 * reload.c (alternative_allows_const_pool_ref): Take an rtx
2670 parameter and return a bool. If the rtx parameter is nonnull,
2671 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
2672 (find_reloads): Update call accordingly. Pass the new operand
2673 if it needed no address reloads, otherwise pass null.
2675 2008-01-30 Richard Henderson <rth@redhat.com>
2678 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
2679 for unbounded arrays.
2681 2008-01-30 Silvius Rus <rus@google.com>
2683 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
2685 2008-01-30 Jan Hubicka <jh@suse.cz>
2688 * i386.c (init_cumulative_args): Use real function declaration when
2691 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
2693 PR rtl-optimization/34998
2694 * global.c (build_insn_chain): Treat non-subreg_lowpart
2695 SUBREGs of pseudos as clobbering all the words covered by the
2696 SUBREG, not just all the bytes.
2697 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
2698 original df_ref rather than an extract parameter.
2699 (global_conflicts): Update call accordingly.
2701 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
2703 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
2704 the overflow check to make it easier to read.
2705 (__fixtfdi): Change the type of the ll member in union
2706 long_double to UDItype_x.
2708 2008-01-30 Jakub Jelinek <jakub@redhat.com>
2711 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
2712 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
2713 * tree-inline.c (fold_marked_statements): Call
2714 cgraph_update_edges_for_call_stmt if folding a call statement.
2715 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
2716 debug_generic_stmt calls, reset it back afterwards.
2719 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
2721 * c-typeck.c (build_external_ref): Don't pedwarn about
2722 static vars in current function's scope.
2724 2008-01-29 Joseph Myers <joseph@codesourcery.com>
2726 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
2728 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
2731 * ipa-struct-reorg.c: Fix spelling.
2732 * params.def: Ditto.
2734 2008-01-29 Richard Guenther <rguenther@suse.de>
2737 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
2739 * tree-inline.c (remap_type): Increment remapping_type_depth
2740 around remapping types.
2741 (copy_body_r): Only add referenced variables if they are referenced
2742 from code, not types.
2744 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
2755 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
2756 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
2758 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
2761 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
2762 pointer for tiny stack.
2764 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
2766 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
2768 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
2770 * config/vx-common.h: Fix typo in comment.
2772 2008-01-28 Ian Lance Taylor <iant@google.com>
2776 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
2777 coalesce pointers if they have different DECL_NO_TBAA_P values.
2778 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
2779 between variables with different DECL_NO_TBAA_P values.
2781 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
2784 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
2785 are not legitimate small data references on SPE targets.
2787 2008-01-28 David Daney <ddaney@avtrex.com>
2789 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
2791 2008-01-28 David Daney <ddaney@avtrex.com>
2793 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
2795 2008-01-27 Joseph Myers <joseph@codesourcery.com>
2797 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
2798 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
2799 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
2800 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
2801 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
2802 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
2803 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
2804 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
2806 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
2808 * basic-block.h (condjump_equiv_p): Fix comment.
2810 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
2812 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
2813 print_generic_stmt_indented): Fix comment.
2815 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
2817 * configure.ac (__stack_chk_fail): Add detecion for availability
2818 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
2819 * configure: Regenerate.
2821 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
2824 * final.c (output_addr_const): Handle TRUNCATE.
2826 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
2829 * tree-ssa-loop-ivopts.c (comp_cost): New type.
2830 (zero_cost, infinite_cost): New constants.
2831 (struct cost_pair): Change type of cost to comp_cost.
2832 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
2833 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
2835 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
2836 split_address_cost, ptr_difference_cost, difference_cost,
2837 get_computation_cost_at, get_computation_cost,
2838 determine_use_iv_cost_generic, determine_use_iv_cost_address,
2839 determine_use_iv_cost_condition, determine_use_iv_costs,
2840 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
2841 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
2842 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
2843 Change type of cost to comp_cost.
2844 (determine_iv_cost): Increase cost of non-original ivs, instead
2845 of decreasing the cost of original ones.
2846 (get_address_cost): Indicate the complexity of the addressing mode
2848 (try_add_cand_for): Prefer using ivs not specific to some object.
2849 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
2851 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
2852 Janis Johnson <janis187@us.ibm.com>
2855 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
2856 (TARGET_INSTANTIATE_DECLS): Likewise.
2857 * target.h (expand_to_rtl_hook): New target hook.
2858 (instantiate_decls): Likewise.
2859 * function.c (instantiate_decl): Make non-static. Rename to...
2860 (instantiate_decl_rtl): ... this.
2861 (instantiate_expr): Use instantiate_decl_rtl.
2862 (instantiate_decls_1): Likewise.
2863 (instantiate_decls): Likewise.
2864 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
2865 * function.h (instantiate_decl_rtl): Add prototype.
2866 * cfgexpand.c (target.h): New include.
2867 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
2868 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
2869 (TARGET_INSTANTIATE_DECLS): Likewise.
2870 (TARGET_INITIALIZER): New target hooks added.
2871 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
2873 * config/rs6000/rs6000.c (tree-flow.h): New include.
2874 (machine_function): Add sdmode_stack_slot field.
2875 (rs6000_alloc_sdmode_stack_slot): New function.
2876 (rs6000_instantiate_decls): Likewise.
2877 (rs6000_secondary_memory_needed_rtx): Likewise.
2878 (rs6000_check_sdmode): Likewise.
2879 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
2880 (TARGET_INSTANTIATE_DECLS): Likewise.
2881 (rs6000_hard_regno_mode_ok): Allow SDmode.
2882 (num_insns_constant): Likewise. Handle _Decimal32 constants.
2883 (rs6000_emit_move): Handle SDmode.
2884 (function_arg_advance): Likewise.
2885 (function_arg): Likewise.
2886 (rs6000_gimplify_va_arg): Likewise. Add special handling of
2887 SDmode var args for 32-bit compiles.
2888 (rs6000_secondary_reload_class): Handle SDmode.
2889 (rs6000_output_function_epilogue): Likewise.
2890 (rs6000_function_value): Simplify if statement.
2891 (rs6000_libcall_value): Likewise.
2892 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
2893 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
2894 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
2895 (movsd_hardfloat): New define_insn.
2896 (movsd_softfloat): Likewise.
2897 (movsd_store): Likewise.
2898 (movsd_load): Likewise.
2899 (extendsddd2): Likewise.
2900 (extendsdtd2): Likewise.
2901 (truncddsd2): Likewise.
2902 (movdd_hardfloat64): Fixup comment.
2903 (UNSPEC_MOVSD_LOAD): New constant.
2904 (UNSPEC_MOVSD_STORE): Likewise.
2906 2008-01-26 Jakub Jelinek <jakub@redhat.com>
2909 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
2911 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
2912 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
2913 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
2916 2008-01-26 David Edelsohn <edelsohn@gnu.org>
2919 * config.gcc: Separate AIX 5.3 from AIX 6.1.
2920 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2921 __LONGDOUBLE128 too.
2922 * config/rs6000/aix61.h: New file.
2924 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
2926 PR rtl-optimization/34959
2927 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
2928 popcount and parity rtxes the same mode as their operand.
2929 Truncate or extend the result to the return value's mode
2932 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
2935 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
2936 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
2937 to GOT_VERSION_REGNUM.
2938 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
2939 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
2940 * config/mips/mips.c (mips_emit_call_insn): New function.
2941 (mips_call_tls_get_addr): Call mips_expand_call directly.
2942 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
2944 (mips16_build_call_stub): Likewise. Return the call insn or null.
2945 (mips_expand_call): Update the call to mips16_build_call_stub
2946 accordingly and a remove redundant condition. Assert that MIPS16
2947 stubs do not use lazy binding. Use mips_emit_call_insn and return
2949 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
2951 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
2952 (mips_avoid_hazard): Remove hazard_set handling.
2953 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
2954 (UNSPEC_RESTORE_GP): ...this.
2955 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
2956 (FAKE_CALL_REGNO): Rename to...
2957 (GOT_VERSION_REGNUM): ...this.
2958 (type): Add "ghost" value. Add an associated insn reservation.
2959 (hazard_set): Remove.
2960 (exception_receiver): Rename to...
2961 (restore_gp): ...this and update the unspec identifier accordingly.
2962 (exception_receiver, nonlocal_got_receiver): New expanders.
2963 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
2964 FAKE_CALL_REGNO. Remove hazard_set attribute.
2965 (set_got_version, update_got_version): New patterns.
2967 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
2970 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
2972 2008-01-25 Joseph Myers <joseph@codesourcery.com>
2975 * doc/install.texi2html: Generate gcc-vers.texi.
2977 2008-01-25 DJ Delorie <dj@redhat.com>
2979 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
2981 2008-01-25 Joseph Myers <joseph@codesourcery.com>
2983 * config/c4x: Remove directory.
2984 * config.gcc (crx-*, mt-*): Mark obsolete.
2985 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
2986 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
2987 sh-*-rtemscoff*): Remove cases.
2988 * defaults.h (C4X_FLOAT_FORMAT): Remove.
2989 * real.c (encode_c4x_single, decode_c4x_single,
2990 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
2991 c4x_extended_format): Remove.
2992 * real.h (c4x_single_format, c4x_extended_format): Remove.
2993 * doc/extend.texi (interrupt, naked): Remove mention of attributes
2995 (Pragmas): Remove comment about c4x pragmas.
2996 * doc/install.texi (c4x): Remove target-specific instructions.
2997 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
2998 * doc/md.texi (Machine Constraints): Remove C4x documentation.
2999 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
3000 refer to C4x source files as examples.
3001 (C4X_FLOAT_FORMAT): Remove documentation.
3003 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
3005 * config/bfin/bfin.c (override_options): Reorder tests so that
3006 flag_pic gets enabled for -msep-data.
3008 2008-01-25 Richard Guenther <rguenther@suse.de>
3011 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
3012 to its bitfield precision if required.
3014 2008-01-25 Jakub Jelinek <jakub@redhat.com>
3017 * tree-nested.c (walk_omp_for): New function.
3018 (convert_nonlocal_reference, convert_local_reference): Call
3019 walk_omp_for on OMP_FOR.
3020 (convert_call_expr): Call walk_body on OMP_FOR's
3021 OMP_FOR_PRE_INIT_BODY.
3023 2008-01-25 Richard Guenther <rguenther@suse.de>
3025 PR tree-optimization/34966
3026 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
3027 default defs and PHI_NODEs we have to insert after the
3030 2008-01-24 Nick Clifton <nickc@redhat.com>
3032 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
3033 Provide a default definition.
3034 (LIBGCC2_UNITS_PER_WORD): Likewise.
3036 * config/stormy16/stormy16.c: Include df.h for the prototype
3037 for df_regs_ever_live_p.
3038 (xstormy16_expand_builtin_va_start): Convert the stack offset
3039 into a component_ref and then use POINTER_PLUS_EXPR to add it
3040 to the incoming_virtual_args_rtx.
3041 (xstormy16_gimplify_va_arg_expr): Rename to
3042 xstormy16_gimplify_va_arg_expr.
3043 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
3044 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
3045 xstormy16_gimplify_va_arg_expr.
3046 Fix up some formatting issues.
3048 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
3049 Move to predicates.md.
3050 (xs_hi_general_operand): Likewise.
3051 (xs_hi_nonmemory_operand): Likewise.
3052 * config/stormy16/predicates.md:
3053 (xstormy16_carry_plus_operand): New predicate.
3054 (xs_hi_general_operand): New predicate.
3055 (xs_hi_nonmemory_operand): New predicate.
3056 * config/stormy16/stormy16-protos.h:
3057 (xstormy16_carry_plus_operand): Delete prototype.
3058 (xs_hi_general_operand): Likewise.
3059 (xs_hi_nonmemory_operand): Likewise.
3061 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
3062 modifiers as they are no longer needed and they can trigger
3063 reload spill failures.
3065 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
3066 with a match_operand in order to help reload.
3068 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
3069 constraint with 'e' for the 8th alternative as this version of
3070 the mov.w instruction only accepts the lower 8 registers.
3072 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
3075 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
3076 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
3079 2008-01-25 Jakub Jelinek <jakub@redhat.com>
3082 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
3084 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
3086 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
3088 (remove_structure): Update allocations list before removing structure.
3090 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
3092 * ipa-struct-reorg.c (is_safe_cond_expr,
3093 create_new_stmts_for_cond_expr): Use integer_zerop function,
3094 that recognize not only zero-pointer, but zero-integer too.
3096 2008-01-25 Ben Elliston <bje@au.ibm.com>
3099 * fixproto: Escape "." in sed expression that strips leading "./".
3101 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
3104 * gcc.c (SWITCH_OK): Removed.
3105 (SWITCH_LIVE): Changed to bit.
3106 (SWITCH_FALSE): Likewise.
3107 (SWITCH_IGNORE): Likewise.
3108 (switchstr): Change live_cond to unsigned int.
3109 (process_command): Replace SWITCH_OK with 0.
3110 (do_self_spec): Likewise.
3111 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
3112 (give_switch): Likewise.
3113 (used_arg): Likewise.
3114 (do_spec_1): Set the SWITCH_IGNORE bit.
3115 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
3116 bits. Set the SWITCH_LIVE bit.
3118 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
3120 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
3122 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
3124 PR tree-optimization/34472
3125 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
3126 parameter to a "bool *" and set *DATA to false if there is
3127 an unsafe access. Do not delete the structure here.
3128 (check_cond_exprs): Delete it here instead.
3129 (check_cond_exprs, exclude_cold_structs): Do not increase
3130 I when removing a structure.
3132 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
3135 * config/i386/i386.c (ix86_expand_vector_init): Consider only
3136 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
3138 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
3141 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
3142 a fixed vector for stack.
3144 2008-01-24 Ben Elliston <bje@au.ibm.com>
3147 * doc/gcc.texi (Software development): Add a direntry for g++.
3149 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
3151 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
3152 stale and straggling -fforce-addr comments above.
3154 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
3156 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
3157 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
3159 2008-01-23 Michael Matz <matz@suse.de>
3162 * dwarf2out.c (force_type_die): Use modified_type_die instead of
3165 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
3167 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
3170 2008-01-23 Anatoly Sokolov <aesok@post.ru>
3172 * config/avr/avr.c (avr_current_arch): New variable.
3173 (avr_arch_types): Add 'avr31' and 'avr51' entries.
3174 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
3175 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
3176 (avr_override_options): Init 'avr_current_arch'.
3177 (base_arch_s): Move from here...
3178 * config/avr/avr.h (base_arch_s): ... here. Add new members
3179 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
3180 'mega' to 'have_jmp_call'.
3181 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
3182 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
3184 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
3186 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
3187 MULTILIB_MATCHES): (Ditto.).
3189 2008-01-23 Richard Guenther <rguenther@suse.de>
3192 * cgraphunit.c (cgraph_reset_node): Always mark the node
3193 not reachable if it is not queued already.
3195 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
3197 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
3198 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
3199 (cputype_selected): New static variable.
3200 (bfin_handle_option): Set it if -mcpu is used.
3201 (override_option): Select default set of workarounds if no cpu type
3202 selected on the command line.
3203 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
3205 From Michael Frysinger <michael.frysinger@analog.com>
3206 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
3207 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
3209 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
3210 for bf547, bf523, bf524, and bf526.
3211 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
3213 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3214 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
3215 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
3216 __ADSPBF547__ and __ADSPBF54x__ for bf547.
3217 * doc/invoke.texi (Blackfin Options): Document that
3218 -mcpu now accept bf547, bf523, bf524, and bf526.
3220 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
3222 PR rtl-optimization/34628
3223 * combine.c (try_combine): Stop and undo after the first combination
3224 if an autoincrement side-effect on the first insn has effectively
3227 2008-01-22 David Edelsohn <edelsohn@gnu.org>
3230 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
3231 Offset addresses are not valid for Altivec or paired float modes.
3233 2008-01-22 Jakub Jelinek <jakub@redhat.com>
3236 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
3237 if DECL_INITIAL (decl) is error_mark_node.
3240 * c-common.c (handle_vector_size_attribute): Only allow
3241 integral, scalar float and fixed point types. Handle OFFSET_TYPE
3242 the same way as pointer, array etc. types.
3243 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
3246 * tree.c (build_type_attribute_qual_variant): Call
3247 build_qualified_type if attributes are equal, but quals are not.
3249 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3252 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
3253 * flags.h (warn_strict_aliasing): Remove.
3254 (warn_strict_overflow): Remove.
3255 * opts.c (warn_strict_aliasing): Remove.
3256 (warn_strict_overflow): Remove.
3257 * c-opts.c (c_common_handle_option): -Wall only sets
3258 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
3259 (c_common_post_options): Give default values to -Wstrict-aliasing
3260 and -Wstrict-overflow if they are uninitialized.
3261 * common.opt (Wstrict-aliasing): Specify Var and Init.
3262 (Wstrict-overflow): Likewise.
3264 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3266 PR rtl-optimization/26854
3267 PR rtl-optimization/34400
3268 PR rtl-optimization/34884
3269 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
3271 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
3272 (df_rd_bb_info.expanded_lr_out): Deleted
3273 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
3274 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
3275 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3276 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3277 Removed code to allocate, initialize or free expanded_lr_out.
3278 (df_rd_bb_local_compute_process_def): Restructured to make more
3280 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
3281 sets if the sets are being trimmed.
3283 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
3286 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
3287 (as_vers): Likewise.
3288 * configure: Regenerated.
3290 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3293 * tree-pass.h (pass_build_alias): New pass.
3294 * tree-ssa-alias.c (gate_build_alias): New.
3295 (pass_build_alias): New.
3296 * passes.c (init_optimization_passes): Add pass_build_alias after
3297 pass_create_structure_vars.
3299 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
3301 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
3302 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
3303 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
3304 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
3305 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
3306 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
3307 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
3308 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
3309 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
3310 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
3311 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
3312 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
3313 * config/s390/s390.md (FP_ALL): New mode iterator.
3314 (_d): New mode attribute.
3315 ("*signbit<mode>2>"): Changed mode of first operand.
3316 ("isinf<mode>2"): Changed mode of first operand.
3317 ("*TDC_insn"): Adaptation for DFP modes.
3319 2008-01-22 Ben Elliston <bje@au.ibm.com>
3321 * tree.c (check_qualified_type): Improve function description.
3323 2008-01-21 Jason Merrill <jason@redhat.com>
3326 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
3327 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
3330 2008-01-21 DJ Delorie <dj@redhat.com>
3332 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
3335 2008-01-21 Richard Guenther <rguenther@suse.de>
3338 * tree-cfg.c (verify_expr): Allow all invariant expressions
3339 instead of just constant class ones as reference argument.
3340 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
3341 like any other constant.
3342 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
3344 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
3346 * regmove.c (fixup_match_1): Update call crossed frequencies.
3348 2008-01-21 Richard Guenther <rguenther@suse.de>
3351 * tree-inline.c (setup_one_parameter): Deal with mismatched
3352 types using a VIEW_CONVERT_EXPR.
3354 2008-01-21 Alon Dayan <alond@il.ibm.com>
3355 Olga Golovanevsky <olga@il.ibm.com>
3357 PR tree-optimization/34701
3358 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
3359 when the structure size is not a power of 2.
3361 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
3363 * doc/install.texi: Add doc for --enable-checking=df.
3365 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
3367 PR rtl-optimization/34808
3368 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
3370 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
3372 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
3375 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3377 PR rtl-optimization/26854
3378 PR rtl-optimization/34400
3379 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
3381 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
3382 (df_rd_bb_info.expanded_lr_out): New.
3383 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
3384 * loop_iv.c (iv_analysis_loop_init): Ditto.
3385 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3386 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3387 Added code to allocate, initialize or free expanded_lr_out.
3388 (df_rd_bb_local_compute_process_def): Restructured to make
3389 more understandable.
3390 (df_rd_confluence_n): Add code to do nothing with fake edges and
3391 code to no apply invalidate_by_call sets if the sets are being trimmed.
3392 (df_lr_local_finalize): Renamed to df_lr_finalize.
3393 (df_live_local_finalize): Renamed to df_live_finalize.
3395 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
3398 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
3399 deciding whether to use reciprocal instructions.
3401 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
3403 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
3404 dwarf2out_note_section_used if cold_text_section is NULL.
3406 2008-01-19 Jakub Jelinek <jakub@redhat.com>
3408 PR gcov-profile/34610
3409 * tree-cfg.c (make_edges): Mark both outgoing edges from
3410 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
3411 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
3412 from OMP_FOR and OMP_CONTINUE outgoing edges.
3414 * tree-profile.c (tree_profiling): Return early if
3415 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
3417 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
3418 from cfun to child_cfun.
3419 * function.h (struct function): Add after_tree_profile bit.
3421 2008-01-19 Anatoly Sokolov <aesok@post.ru>
3423 * config/avr/avr.S (_exit): Disable interrupt.
3425 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
3426 Steven Bosscher <stevenb.gcc@gmail.com>
3428 PR rtl-optimization/26854
3429 PR rtl-optimization/34400
3430 * df-problems.c (df_live_scratch): New scratch bitmap.
3431 (df_live_alloc): Allocate df_live_scratch when doing df_live.
3432 (df_live_reset): Clear the proper bitmaps.
3433 (df_live_bb_local_compute): Only process the artificial defs once
3434 since the order is not important.
3435 (df_live_init): Init the df_live sets only with the variables
3436 found live by df_lr.
3437 (df_live_transfer_function): Use the df_lr sets to prune the
3438 df_live sets as they are being computed.
3439 (df_live_free): Free df_live_scratch.
3441 2008-01-18 Ian Lance Taylor <iant@google.com>
3443 * common.opt: Add fmerge-debug-strings.
3444 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
3445 flag_merge_debug_strings rather than flag_merge_constants.
3446 * doc/invoke.texi (Option Summary): Mention
3447 -fmerge-debug-strings.
3448 (Debugging Options): Document -fmerge-debug-strings.
3450 2008-01-18 Ian Lance Taylor <iant@google.com>
3453 * tree.h (DECL_IS_OPERATOR_NEW): Define.
3454 (struct tree_function_decl): Add new field operator_new_flag.
3455 * tree-inline.c (expand_call_inline): When inlining a call to
3456 operator new, force the return value to go into a variable, and
3457 set DECL_NO_TBAA_P on that variable.
3458 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
3460 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
3463 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
3464 DWARF2_DEBUGGING_INFO.
3465 (dwarf2out_note_section_used): Ditto. Add prototype.
3466 (have_multiple_function_sections, text_section_used,
3467 cold_text_section_used, *cold_text_sections): Move declarations
3470 2008-01-17 Bob Wilson <bob.wilson@acm.org>
3472 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
3473 field and add signal_ra.
3474 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
3475 assignments to frame state pc. Move end of stack check after
3476 MD_FALLBACK_FRAME_STATE_FOR.
3477 (uw_update_context_1): Use frame state signal_regs if set, instead
3478 of checking signal_frame flag.
3479 (uw_update_context): Use frame state signal_ra if set.
3480 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
3481 * config/xtensa/linux-unwind.h: New file.
3483 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
3485 * modulo-sched.c (get_sched_window): Fix comment typo.
3487 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
3489 PR tree-optimization/34648
3490 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
3492 2008-01-17 Anatoly Sokolov <aesok@post.ru>
3494 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
3495 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
3497 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
3499 PR rtl-optimization/34400
3500 * df-core.c (df_worklist_dataflow_overeager,
3501 df_worklist_dataflow_doublequeue): New functions.
3502 (df_worklist_dataflow): Two different worklist solvers.
3503 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
3506 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
3509 * doc/invoke.texi: Document the dependence on pthread for fopenmp
3510 and ftree-parallelize-loops.
3512 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
3514 PR rtl-optimization/34826
3515 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
3517 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
3519 * global.c (find_reg): Mark the eh regs as used if necessary.
3520 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
3521 * ra.h (struct allocno): no_eh_reg field added. Changed
3522 no_stack_reg type to bitfield.
3524 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
3526 * tree.c (substitute_in_expr): Add missing 'break'.
3528 2008-01-17 Richard Guenther <rguenther@suse.de>
3530 PR tree-optimization/34825
3531 * tree-ssa-math-opts.c (is_division_by): Do not recognize
3532 x / x as division to handle.
3534 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3536 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
3537 "-pthread" is specified.
3538 * pa-hpux11.h (LIB_SPEC): Likewise.
3540 2008-01-16 Janis Johnson <janis187@us.ibm.com>
3541 Peter Bergner <bergner@vnet.ibm.com>
3543 PR rtl-optimization/33796
3544 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
3546 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3548 PR libgfortran/34699
3549 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
3551 * pa-hpux10.h (LINK_SPEC): Likewise.
3552 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
3554 2008-01-16 Richard Guenther <rguenther@suse.de>
3557 * fold-const.c (fold_convert_const_int_from_int): Do not
3558 set overflow if that occured only because of a sign extension
3559 change when converting from/to a sizetype with the same
3560 precision and signedness.
3562 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
3565 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
3566 location address to the correct place. Update copyright year.
3568 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
3570 * lambda-code.c (lambda_transform_legal_p): Handle the case of
3571 no dependences in the dependence_relations vector.
3573 2008-01-16 Jan Hubicka <jh@suse.cz>
3575 PR rtl-optimization/31396
3576 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
3577 * cfg.c (dump_reg_info): Print it.
3578 * regs.h (struct reg_info_t): add freq_calls_crossed.
3579 (REG_FREQ_CALLS_CROSSED): New macro.
3580 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
3581 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
3582 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
3583 regmove_optimize): Update call crossed frequencies.
3584 * local-alloc.c (struct qty): Add freq_calls_crossed.
3585 (alloc_qty): Copute freq_calls_crossed.
3586 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
3587 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
3588 * ra.h (struct allocno): Add freq_calls_crossed.
3590 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
3592 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
3593 libgomp when compiling with ftree-parallelize-loops.
3594 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
3596 2008-01-16 Richard Guenther <rguenther@suse.de>
3598 PR tree-optimization/34769
3599 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
3600 * tree.c (int_cst_value): Instead make this function more
3601 permissive in what it accepts as valid input. Document this
3602 function always sign-extends the value.
3604 2008-01-16 Jakub Jelinek <jakub@redhat.com>
3605 Richard Guenther <rguenther@suse.de>
3608 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
3609 (gimple_fold_indirect_ref_rhs): ... this.
3610 (gimple_fold_indirect_ref): New function with foldings
3611 that preserve lvalueness.
3612 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
3613 * tree-flow.h (gimple_fold_indirect_ref): Declare.
3614 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
3615 to fold an INDIRECT_REF, fall back to the old use of
3616 fold_indirect_ref_1.
3618 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
3620 * tree-data-ref.c (subscript_dependence_tester_1): Call
3621 free_conflict_function.
3622 (compute_self_dependence): Same.
3624 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
3627 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
3628 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
3630 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
3631 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
3632 for DWARF2_UNWIND_INFO targets.
3634 2008-01-16 Richard Guenther <rguenther@suse.de>
3637 * c-typeck.c (common_pointer_type): Do not merge inconsistent
3638 type qualifiers for function types.
3640 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
3642 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
3643 loop_iterator li from previous commit.
3645 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
3647 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
3649 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
3651 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
3652 (parallelize_loops): Don't parallelize irreducible components.
3654 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3657 * c-opts (c_common_post_options): Do not enable CPP
3658 flag_pedantic_errors by default.
3660 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
3662 PR rtl-optimization/31944
3663 * cse.c (remove_pseudo_from_table): New function.
3664 (merge_equiv_classes): Use above function to remove pseudo-registers.
3665 (invalidate): Likewise.
3667 2008-01-13 Richard Guenther <rguenther@suse.de>
3670 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
3671 instead of TYPE_MODE to deal with calls from expand_one_error_var.
3673 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
3675 * gcse.c (cprop_jump): Call validate_unshare_change instead of
3676 validate_change to unshare the source of the PC set.
3678 2008-01-12 Jan Hubicka <jh@suse.cz>
3681 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
3682 references above array bounds. This might trigger bounds checks for
3685 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
3687 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
3688 new_replaceable_dependencies.
3690 2008-01-12 Doug Kwan <dougkwan@google.com>
3692 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
3693 instead of OPT_Wreturn_type in warning due to ignored return type
3695 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
3696 options included in -Wextra.
3697 * c.opt: New option -Wignored_qualifiers.
3698 * doc/invoke.texi (Warning Options, -Wextra): Add new option
3699 -Wignore_qualifiers.
3700 (-Wignored-qualifiers): Document.
3701 (-Wreturn-type): Remove description of functionality now handled
3702 by -Wignored-qualifiers.
3704 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
3707 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
3708 NOP_EXPR if it is between integral types with the same precision.
3710 2008-01-12 Jan Hubicka <jh@suse.cz>
3713 * invoke.texi (max-inline-recursive-depth): Fix default value.
3715 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
3717 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
3720 2008-01-11 Bob Wilson <bob.wilson@acm.org>
3722 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
3724 2008-01-11 James E. Wilson <wilson@specifix.com>
3727 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
3729 2008-01-11 Anatoly Sokolov <aesok@post.ru>
3731 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
3732 save/restore frame pointer register and don't use 'call-prologues'
3733 optimization in function with "OS_task" attribute.
3735 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
3738 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
3739 when copying to memory.
3741 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
3743 PR rtl-optimization/30905
3744 * cfgcleanup.c: Include dce.h
3745 (crossjumps_occured): New global variable.
3746 (try_crossjump_bb): Exit loop after finding a fallthru edge.
3747 If something changed, set crossjumps_occured to true.
3748 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
3749 Don't add/remove fake edges to exit here...
3750 (cleanup_cfg): ...but do it here, when crossjumping.
3751 Run a fast DCE when successful crossjumps occured in the latest
3752 iteration of try_optimize_cfg.
3754 2008-01-11 Richard Guenther <rguenther@suse.de>
3756 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
3757 (struct vn_unary_op_s): Likewise.
3758 (vn_reference_insert): Free old reference on hash collision.
3760 2008-01-10 Raksit Ashok <raksit@google.com>
3762 PR rtl-optimization/27971
3763 * combine.c (find_split_point): Split PLUS expressions which are
3764 inside a MEM rtx, and whose first operand is complex.
3766 2008-01-10 DJ Delorie <dj@redhat.com>
3768 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
3769 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
3770 (m32c_hard_regno_ok): Call the underlying function.
3772 2008-01-10 Richard Guenther <rguenther@suse.de>
3775 * tree-cfg.c (tree_merge_blocks): Do not go through the
3776 full-blown folding and stmt updating path if we just deal
3777 with virtual operands.
3778 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
3779 test for abnormal SSA_NAMEs.
3781 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
3784 * reload.c (push_reload): Add assertions. All constants from
3785 reg_equiv_constant should have been used for replacing the respective
3787 (find_reloads_address): Invoke find_reloads_address_part for
3788 constant taken from the reg_equiv_constant array.
3790 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
3792 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
3793 field (valnum) the first in the struct. Replace bools with
3796 2008-01-10 Richard Guenther <rguenther@suse.de>
3798 PR tree-optimization/34651
3799 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
3800 types and ordering for masking and converting.
3802 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
3804 PR tree-optimization/34017
3805 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
3806 also for PHI_NODE expressions.
3808 2008-01-09 Jan Hubicka <jh@suse.cz>
3810 PR tree-optimization/34708
3811 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
3812 based on number of case labels.
3813 (init_inline_once): Remove switch_cost.
3814 * tree-inline.h (eni_weights_d): Remove switch_cost.
3816 2008-01-09 Richard Guenther <rguenther@suse.de>
3817 Andrew Pinski <andrew_pinski@playstation.sony.com>
3820 * gimplify.c (gimplify_cond_expr): Do not create an addressable
3821 temporary if an rvalue is ok or an lvalue is not required.
3823 2008-01-09 Richard Guenther <rguenther@suse.de>
3826 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
3829 2008-01-09 Richard Guenther <rguenther@suse.de>
3832 * tree.c (host_integerp): Check for sizetype only if the
3833 type is an integer type.
3835 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
3838 * opts.c (decode_options): Disable inlining of functions called
3839 once if not in unit-at-a-time mode.
3841 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
3843 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
3845 2008-01-08 Richard Guenther <rguenther@suse.de>
3848 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
3849 out early if the result will be unused.
3851 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
3856 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
3857 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3860 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
3862 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
3863 for vectorization tuned.
3865 2008-01-08 Richard Guenther <rguenther@suse.de>
3867 PR tree-optimization/34683
3868 * tree-ssa-operands.c (operand_build_cmp): Export.
3869 * tree-ssa-operands.h (operand_build_cmp): Declare.
3870 * tree-vn.c (vuses_compare): Remove.
3871 (sort_vuses): Use operand_build_cmp.
3872 (sort_vuses_heap): Likewise.
3873 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
3874 to re-use old VEC if available. Do not sort already sorted VUSEs.
3875 (vdefs_to_vec): Do not sort already sorted VDEFs.
3877 2008-01-08 Jakub Jelinek <jakub@redhat.com>
3880 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
3882 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
3885 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
3886 limitations of reciprocal sequences on x86 targets.
3888 2008-01-08 Richard Guenther <rguenther@suse.de>
3890 PR tree-optimization/34683
3891 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
3893 2008-01-07 Jakub Jelinek <jakub@redhat.com>
3896 * config/darwin.c (darwin_mergeable_string_section): Don't use
3897 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
3899 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
3902 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
3903 negxf2. Macroize expander using X87MODEF mode iterator. Change
3904 predicates of op0 and op1 to register_operand.
3905 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
3906 expander using X87MODEF mode iterator. Change predicates of
3907 op0 and op1 to register_operand.
3908 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
3909 corresponding patterns and macroize using MODEF macro. Change
3910 predicates of op0 and op1 to register_operand and remove
3911 "m" constraint. Disparage "r" alternative with "!".
3912 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
3913 macroize using X87MODEF macro. Change predicates of op0 and op1
3914 to register_operand and remove "m" constraint. Disparage "r"
3915 alternative with "!".
3916 (absneg splitter with memory operands): Remove.
3917 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
3918 patterns and macroize using X87MODEF mode iterator.
3919 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
3920 Change predicate of op1 to register_operand.
3921 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
3922 for memory operands.
3924 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
3926 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
3928 2008-01-07 Richard Guenther <rguenther@suse.de>
3930 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
3933 2008-01-07 Richard Guenther <rguenther@suse.de>
3935 PR tree-optimization/34683
3936 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
3937 VOPs of the needed size to save memory. Use VEC_quick_push
3938 to save compile-time.
3939 (vdefs_to_vec): Likewise.
3941 2008-01-07 Sa Liu <saliu@de.ibm.com>
3943 * config/spu/spu.md (divdf3): Genetate inline code for double
3944 division. The implementation doesn't handle INF or NAN, therefore it
3945 only applies when -ffinite-math-only is given.
3947 2008-01-06 Paolo Carlini <pcarlini@suse.de>
3950 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
3951 * doc/cpp.texi ([Common Predefined Macros]): Document.
3953 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
3955 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
3956 order to use commutative addition instead of subtraction.
3958 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
3959 Mircea Namolaru <namolaru@il.ibm.com>
3960 Vladimir Yanovsky <yanov@il.ibm.com>
3961 Revital Eres <eres@il.ibm.com>
3963 PR tree-optimization/34263
3964 * tree-outof-ssa.c (process_single_block_loop_latch,
3965 contains_tree_r): New functions.
3966 (analyze_edges_for_bb): Call process_single_block_loop_latch
3967 function to empty single-basic-block latch block if possible.
3969 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
3971 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3973 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
3975 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
3977 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
3979 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
3981 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
3983 2008-01-05 Jakub Jelinek <jakub@redhat.com>
3985 PR tree-optimization/34618
3986 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
3989 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
3992 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
3993 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
3994 Update copyright year.
3996 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
3997 Update copyright year.
3998 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
4001 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
4003 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
4004 edge does not point to current bb before changing need_assert.
4006 2008-01-04 Richard Guenther <rguenther@suse.de>
4009 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
4010 for verifying purposes if they are is_gimple_min_invariant.
4012 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
4014 PR tree-optimization/34448
4015 PR tree-optimization/34465
4016 * gimplify.c (gimplify_init_constructor): Add new parameter
4017 notify_temp_creation. Use it.
4018 (gimplify_modify_expr_rhs): Take volatiles into account when
4019 optimizing constructors.
4020 Do not optimize constructors if gimplify_init_constructor will dump to
4022 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
4023 * gcc.c-torture/compile/pr34448.c: New.
4025 2008-01-04 Jakub Jelinek <jakub@redhat.com>
4027 PR gcov-profile/34609
4028 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
4029 return_slot if result is TREE_ADDRESSABLE.
4031 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
4033 * config/mips/mips.md (sqrt_condition): Tweak comment.
4034 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
4036 2008-01-03 Tom Tromey <tromey@redhat.com>
4039 * c-common.c (c_type_hash): Handle VLAs.
4041 2008-01-03 Jan Hubicka <jh@suse.cz>
4043 PR tree-optimization/31081
4044 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
4045 0 when inlining and not inlining to first basic block.
4046 (remap_decl): When var is initialized to 0, don't set default_def.
4047 (expand_call_inline): Set entry_bb.
4048 * tree-inline.h (copy_body_data): Add entry_bb.
4050 2008-01-03 Jakub Jelinek <jakub@redhat.com>
4053 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
4056 PR tree-optimization/29484
4057 * tree-inline.c (inline_forbidden_p_2): New function.
4058 (inline_forbidden_p): Disallow inlining if some static var
4059 has an address of a local LABEL_DECL in its initializer.
4060 * doc/extend.texi (Labels as Values): Document &&foo behaviour
4063 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
4065 PR tree-optimization/34635
4066 * tree-data-ref.c (add_other_self_distances): Make sure that the
4067 evolution step is constant.
4069 2008-01-03 Jakub Jelinek <jakub@redhat.com>
4072 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
4074 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
4076 * tree-sra.c (scalarize_init): Insert the generate_element_init
4077 statements after the generate_element_zero statements.
4079 2008-01-02 Richard Guenther <rguenther@suse.de>
4083 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
4084 for very large number of operands instead of ICEing.
4086 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
4089 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
4090 while stack probing.
4092 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
4094 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
4097 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
4100 * tree-mudflap.c (mx_register_decls): Guard warning by
4101 !DECL_ARTIFICIAL check.
4103 2008-01-01 Jakub Jelinek <jakub@redhat.com>
4105 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
4106 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
4107 sse5_perm<mode>): Fix constraints.