1 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
4 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
5 actual behaviour and C99.
7 2008-02-26 Ben Elliston <bje@au.ibm.com>
9 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
10 (ASM_CPU_POWER6_SPEC): Likewise.
11 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
12 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
13 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
15 2008-02-25 Richard Guenther <rguenther@suse.de>
17 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
18 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
19 (lookup_decl_from_uid): Declare.
20 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
21 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
22 (decl_for_uid_map): New global hashtable mapping DECL_UID
24 (init_ttree): Allocate it.
25 (insert_decl_to_uid_decl_map): New helper function.
26 (make_node_stat): Insert new decls into the map.
27 (copy_node_stat): Likewise.
28 (lookup_decl_from_uid): New function.
29 (print_decl_for_uid_map_statistics): New helper.
30 (dump_tree_statistics): Call it.
32 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
33 (referenced_var_iterator): Adjust.
34 (FOR_EACH_REFERENCED_VAR): Adjust.
35 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
36 (num_referenced_vars): Adjust.
37 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
38 (first_referenced_var): Remove.
39 (end_referenced_vars_p): Likewise.
40 (next_referenced_var): Likewise.
41 (referenced_var_iterator_set): New helper function.
42 * tree-dfa.c (referenced_var_lookup): Adjust.
43 (referenced_var_check_and_insert): Likewise.
44 (remove_referenced_var): Likewise.
45 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
46 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
47 (verify_call_clobbering): Likewise.
48 (verify_memory_partitions): Likewise.
49 (init_tree_ssa): Allocate bitmap instead of hashtable for
51 (delete_tree_ssa): Adjust.
52 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
53 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
54 (compute_tag_properties): Likewise.
55 (set_initial_properties): Likewise.
56 (find_partition_for): Likewise.
57 (update_reference_counts): Likewise.
58 (dump_may_aliases_for): Likewise.
59 * tree-ssa-operands.c (add_virtual_operand): Likewise.
60 (add_call_clobber_ops): Likewise.
61 (add_call_read_ops): Likewise.
62 (get_asm_expr_operands): Likewise.
63 * tree-into-ssa.c (dump_decl_set): Likewise.
64 (update_ssa): Likewise.
65 * tree-sra.c (scan_function): Likewise.
66 (decide_instantiations): Likewise.
67 (scalarize_parms): Likewise.
68 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
69 (dsa_named_for): Likewise.
70 * tree-ssa-structalias.c (update_alias_info): Likewise.
71 (merge_smts_into): Likewise.
73 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
76 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
77 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
78 * alias.h (nonoverlapping_memrefs_p): Likewise.
80 2008-02-25 Jan Beulich <jbeulich@novell.com>
82 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with
84 * config/i386/netware-libgcc.exp: Add __bswap?i2,
85 __emultls_get_address, __emultls_register_common,
86 __floatundi?f, and _Unwind_GetIPInfo.
87 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
88 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
89 (gen_regparm_prefix): Likewise.
90 (i386_nlm_encode_section_info): Sync with
91 config/i386/winnt.c:i386_pe_encode_section_info().
92 (i386_nlm_maybe_mangle_decl_assembler_name): New.
93 i386_nlm_mangle_decl_assembler_name): New.
94 (netware_override_options): New.
95 * config/i386/netware.h (netware_override_options): Declare.
96 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
97 (i386_nlm_mangle_decl_assembler_name): Declare.
98 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
100 2008-02-25 Ben Elliston <bje@au.ibm.com>
103 * c-decl.c (grokdeclarator): Remove unused local variables
104 `typedef_type' and `type_as_written'.
106 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
107 unused local variable `has_hot_blocks'.
108 (fix_crossing_conditional_branches): Remove unused local variable
111 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
114 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
115 using DEF_C99_BUILTIN.
116 (BUILT_IN_NANF): Ditto.
117 (BUILT_IN_NANL): Ditto.
119 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
120 Revital Eres <eres@il.ibm.com>
122 * modulo-sched.c (calculate_must_precede_follow): Address TODO
123 regarding the order of two dependent insns in the same row.
125 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
127 * stor-layout.c (layout_decl): Do not bump the alignment of a
128 bit-field to more than byte alignment if it is packed.
130 2008-02-24 David Edelsohn <edelsohn@gnu.org>
132 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
135 2008-02-24 Diego Novillo <dnovillo@google.com>
137 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
140 * tree-vrp.c (vrp_evaluate_conditional): With
141 -Wtype-limits, emit a warning when comparing against a
142 constant outside the natural range of OP0's type.
143 * c.opt (Wtype-limits): Move ...
144 * common.opt (Wtype-limits): ... here.
146 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
148 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
149 * config/rs6000/e300c2c3.md: New file.
150 * config/rs6000/rs6000.c (processor_costs): Add new costs for
152 (rs6000_override_options): Add e300c2 and e300c3 cases to
153 processor_target_table. Do not allow usage of Altivec or Spe
154 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
155 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
156 * config/rs6000/rs6000.h (processor_type): Add
157 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
158 (ASM_CPU_SPEC): Add e300c2 and e300c3.
159 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
160 and ppce300c3. Include e300c2c3.md.
162 2008-02-23 David Edelsohn <edelsohn@gnu.org>
164 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
165 instead of TARGET_STRICT_ALIGN.
167 2008-02-23 Joseph Myers <joseph@codesourcery.com>
169 * explow.c (memory_address): Assert that the generated address is
172 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
175 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
176 * config/darwin-ppc-ldouble-patch.def: New file.
177 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
178 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
179 SUBTARGET_INIT_BUILTINS if defined.
180 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
183 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
186 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
187 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
189 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
192 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
193 file" warning condtional on -Winvalid-PCH.
195 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
197 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
199 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
203 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
204 prevent reload from using MMX registers.
205 (*mov<mode>_internal): Ditto.
206 (*movv2sf_internal_rex64): Ditto.
207 (*movv2sf_internal): Ditto.
209 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
211 PR documentation/31569
212 * doc/install.texi2html: Use makeinfo --no-number-sections.
214 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
216 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
217 ensure that we can address an entire entity > 8 bytes. Don't
218 generate reg+reg addressing for such data.
220 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
222 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
223 strings when optimizing for size, unless the target cares about
226 2008-02-22 Tom Tromey <tromey@redhat.com>
228 * regclass.c (current_pass): Remove declaration.
230 2008-02-22 Anatoly Sokolov <aesok@post.ru>
232 * config/avr/libgcc.S (__RAMPZ__): Define.
233 (__do_copy_data): Add for devices with 128KB code memory.
235 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
237 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
239 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
241 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
243 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
246 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
249 * c-typeck.c (build_binary_op): Warn about floating point
250 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
252 2008-02-21 Janis Johnson <janis187@us.ibm.com>
255 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
256 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
258 (rs6000_override_options): Set altivec_abi as default, not override,
259 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
260 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
261 is used; use new member spe_abi.
262 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
263 spe_abi and altivec_abi.
265 2008-02-22 Tomas Bily <tbily@suse.cz>
267 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
269 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
272 * config.build (build_file_translate): Set to `CMD //c' only if
274 * Makefile.in (build_file_translate): Improve comment.
276 2008-02-21 Jan Hubicka <jh@suse.cz>
278 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
279 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
280 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
282 2008-02-21 Michael Matz <matz@suse.de>
285 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
287 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
289 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
290 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
292 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
293 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
294 SSE_VEC_FLOAT_MODE_P as insn constraint.
295 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
296 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
297 sse4a_movntdf using MODEF mode iterator.
298 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
299 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
300 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
301 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
302 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
303 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
304 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
306 2008-02-21 Richard Guenther <rguenther@suse.de>
308 * tree.def (PAREN_EXPR): New tree code.
309 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
311 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
312 * expr.c (expand_expr_real_1): Likewise.
313 * tree-inline.c (estimate_num_insns_1): Likewise.
314 * tree-complex.c (expand_complex_move): Likewise.
315 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
318 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
321 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
323 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
326 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
328 * config/sh/sh.c (find_barrier): Don't go past
329 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
331 2008-02-20 DJ Delorie <dj@redhat.com>
333 * config/h8300/h8300.md (insv): Force source operand to be a register.
335 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
336 as a jump, not as a plain insn.
338 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
340 * doc/invoke.texi (Warning Options): Add new option
341 -Wframe-larger-than=.
342 (-Wframe-larger-than): Document.
344 * flags.h (warn_frame_larger_than, frame_larger_than_size):
345 Add declarations for new option variables.
347 * final.c (final_start_function): Check the frame size
348 before emission and issue a Wframe-larger-than warning.
350 * opts.c (warn_frame_larger_than, frame_larger_than_size):
351 Add definitions for new option variables.
352 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
354 * common.opt (Wframe-larger-than=): New option.
356 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
358 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
359 (<sse>_div<mode>3): Ditto.
360 (<sse>_vmdiv<mode>3): Ditto.
361 (<sse>_vmsqrt<mode>2): Ditto.
362 (*smax<mode>3): Ditto.
363 (sse5_frcz<mode>2): Ditto.
364 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
367 2008-02-20 Richard Guenther <rguenther@suse.de>
370 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
371 be happy with INTEGRAL_TYPE_P.
373 2008-02-20 Richard Guenther <rguenther@suse.de>
375 * fold-const.c (split_tree): Associate floatig-point expressions
376 if flag_associative_math is set.
378 2008-02-20 Richard Guenther <rguenther@suse.de>
380 * tree.h (fold_real_zero_addition_p): Declare.
381 * fold-const.c (fold_real_zero_addition_p): Export.
382 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
383 floating-point operations with zero and one.
385 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
387 * doc/install.texi: Correct references to CFLAGS, replacing them
388 with BOOT_CFLAGS. Document flags used during bootstrap for
391 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
393 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
394 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
395 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
397 (smin<mode>3): Ditto from similar patterns.
398 (smax<mode>3): Ditto.
399 (*ieee_smin<mode>3): Ditto.
400 (*ieee_smax<mode>3): Ditto.
401 * config/i386/sse.md (sse): New mode attribute.
402 (mov<mode>): Macroize expander from movv4sf and movv2df using
403 SSEMODEF2P mode iterator.
404 (<sse>_movnt<mode>): Ditto from similar patterns. Use
405 SSE_VEC_FLOAT_MODE_P as insn constraint.
406 (storent<mode>): Ditto.
407 (storent<mode>): Macroize expander from storentsf and storentdf using
409 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
410 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
411 (abs<mode>2): Ditto from similar patterns.
412 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
413 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
414 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
415 (<sse>_vmsqrt<mode>2): Ditto.
416 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
417 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
418 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
419 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
420 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
421 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
422 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
424 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
425 iterator and SSE_FLOAT_MODE_P as insn constraint.
426 (<sse>_ucomi): Ditto from similar patterns.
427 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
428 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
429 SSE_VEC_FLOAT_MODE_P as insn constraint.
430 (vcond<mode>): Ditto from similar patterns.
431 (and<mode>3, *and<mode>3): Ditto.
432 (<sse>_nand<mode>3): Ditto.
433 (ior<mode>3, *ior<mode>3): Ditto.
434 (xor<mode>3, *xor<mode>3): Ditto.
435 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
436 iterator and SSE_FLOAT_MODE_P as insn constraint.
437 (*nand<mode>3): Ditto from similar patterns.
438 (*ior<mode>3): Ditto.
439 (*xor<mode>3): Ditto.
441 2008-02-20 Ira Rosen <irar@il.ibm.com>
443 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
444 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
445 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
447 2008-02-19 Jan Hubicka <jh@suse.cz>
449 * predict.c (tree_bb_level_predictions): Remove variable next
450 mistakely introduced by previous commit.
452 2008-02-19 Jan Hubicka <jh@suse.cz>
454 * predict.c (predict_paths_leading_to): Rewrite.
455 (predict_paths_for_bb): New.
456 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
458 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
461 * Makefile.in (build_file_translate): New.
462 (gcc-vers.texi): Use it for translating $(abs_srcdir).
463 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
464 * configure.ac (build_file_translate): Substitute it.
465 * configure: Regenerate.
467 2008-02-19 Jan Hubicka <jh@suse.cz>
469 PR rtl-optimization/34408
470 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
473 2008-02-19 Jan Hubicka <jh@suse.cz>
476 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
479 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
482 * config/i386/i386-modes.def: Revert the last DI alignment
483 change until Ada people can look into it.
485 2008-02-19 Nick Clifton <nickc@redhat.com>
487 * opts.c (print_specific_help): Fix typo in --help text.
489 2008-02-19 Jakub Jelinek <jakub@redhat.com>
492 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
493 32-bit inline asm without asm alternatives for host GCC < 3.0.
495 2008-02-19 Richard Guenther <rguenther@suse.de>
497 PR tree-optimization/34989
498 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
499 Allow propagation to INDIRECT_REF if we can simplify only.
501 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
503 * c-common.c (warn_for_collisions_1): Use appropriate option when
506 2008-02-19 Nick Clifton <nickc@redhat.com>
509 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
510 (handle_options): Fix indentation.
511 (print_filtered_help): If no language-specific options were
512 displayed tell the user how to list all the options supported by
513 the language's front-end.
514 (print_specific_help): Fix indentation and remove duplicate line.
515 (common_handle_option): Handle the -v option.
516 For --help enable the display of undocumented options if the -v
517 switch has been included on the command line.
518 For --help= check for overlaps in the arguments between the option
519 classes and the language names and issue a warning when they
520 cannot be disambiguated.
521 * c.opt (v): Pass on to the common option handler.
523 2008-02-19 Revital Eres <eres@il.ibm.com>
525 * modulo-sched.c (sms_schedule): Change dump message when
526 create_ddg function fails.
527 (try_scheduling_node_in_cycle): Rename row to cycle.
528 (print_partial_schedule): Rename CYCLE to ROW.
530 2008-02-19 Christian Bruel <christian.bruel@st.com>
531 Zdenek Dvorak <ook@ucw.cz>
533 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
535 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
538 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
539 (*x86_movdicc_0_m1_se): Ditto.
541 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
543 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
544 (CMPtype): Define as __gcc_CMPtype.
545 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
546 (CMPtype): Define as __gcc_CMPtype.
548 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
550 Support valgrind 3.3 for --enable-checking=valgrind.
551 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
553 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
554 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
555 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
556 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
557 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
558 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
559 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
561 * ggc-zone.c: Similar.
562 * ggc-page.c: Similar.
564 2008-02-19 Paul Brook <paul@codesourcery.com>
567 * config/arm/ieee754-df.S: Fix do_it typo.
568 * config/arm/ieee754-sf.S: Fix do_it typo.
570 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
573 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
574 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
575 (OPTION_MASK_ISA_SSE_SET): Likewise.
576 (OPTION_MASK_ISA_SSE2_SET): Likewise.
577 (OPTION_MASK_ISA_SSE3_SET): Likewise.
578 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
579 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
580 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
581 (OPTION_MASK_ISA_SSE4_SET): Likewise.
582 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
583 (OPTION_MASK_ISA_SSE5_SET): Likewise.
584 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
585 (OPTION_MASK_ISA_MMX_UNSET): Updated.
586 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
587 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
588 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
589 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
590 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
591 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
592 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
593 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
594 (OPTION_MASK_ISA_SSE4): Removed.
595 (ix86_handle_option): Turn on bits in ix86_isa_flags and
596 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for
598 (override_options): Don't turn on implied SSE/MMX bits in
601 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
603 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
606 2008-02-18 Joey Ye <joey.ye@intel.com>
609 * tree-nested.c (insert_field_into_struct): Set type alignment
610 to field alignment if the former is less than the latter.
612 2008-02-18 Jakub Jelinek <jakub@redhat.com>
614 * BASE-VER: Set to 4.4.0.
616 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
618 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
619 * doc/cfg.texi: Likewise.
620 * doc/extend.texi: Likewise.
621 * doc/gty.texi: Likewise.
622 * doc/invoke.texi: Likewise.
623 * doc/loop.texi: Likewise.
624 * doc/md.texi: Likewise.
625 * doc/passes.texi: Likewise.
626 * doc/rtl.texi: Likewise.
627 * doc/sourcebuild.texi: Likewise.
628 * doc/tm.texi: Likewise.
629 * doc/tree-ssa.texi: Likewise.
631 2008-02-17 Richard Guenther <rguenther@suse.de>
634 * tree-complex.c (init_parameter_lattice_values): Handle parameters
635 without default definition.
637 2008-02-17 Richard Guenther <rguenther@suse.de>
639 PR tree-optimization/35231
640 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
643 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
647 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
648 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
649 libgcc_cmp_return mode.
651 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
654 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
656 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
658 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
661 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
663 * doc/c-tree.texi: Use `@.' where appropriate.
664 * doc/extend.texi: Likewise.
665 * doc/install.texi: Likewise.
666 * doc/invoke.texi: Likewise.
667 * doc/loop.texi: Likewise.
668 * doc/makefile.texi: Likewise.
669 * doc/md.texi: Likewise.
670 * doc/passes.texi: Likewise.
671 * doc/standards.texi: Likewise.
672 * doc/tm.texi: Likewise.
674 2008-02-15 Jakub Jelinek <jakub@redhat.com>
677 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
679 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
680 rather than in entry_bb.
682 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
684 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
685 libgcc_cmp_return mode.
687 2008-02-15 Jakub Jelinek <jakub@redhat.com>
690 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
691 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
693 2008-02-15 Richard Guenther <rguenther@suse.de>
694 Zdenek Dvorak <ook@ucw.cz>
696 PR tree-optimization/35164
697 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
698 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
699 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
700 Only propagate addresses which do not have abnormal SSA_NAMEs
703 2008-02-15 Joseph Myers <joseph@codesourcery.com>
706 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
708 2008-02-15 Jan Hubicka <jh@suse.cz>
711 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
713 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
716 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
717 when calculating alignment_pad.
719 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
721 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
722 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
723 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
724 and STACK_BOUNDARY define.
726 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
728 PR preprocessor/35061
729 * c-pragma.c (handle_pragma_pop_macro): Check that
730 pushed_macro_table has been allocated.
732 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
735 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
736 (force_gimple_operand): Likewise.
737 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
738 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
739 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
740 (find_interesting_uses_address): Check addressability and alignment
741 of the base expression only after substituting bases of IVs into it.
743 2008-02-14 Michael Matz <matz@suse.de>
746 * function.c (instantiate_virtual_regs_in_insn): Reload address
747 before falling back to reloading the whole operand.
749 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
751 * config/s390/s390.c (s390_mainpool_start): Emit the pool
752 before the first section switch note.
754 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
756 * doc/bugreport.texi: Update copyright years.
757 * doc/c-tree.texi: Likewise.
758 * doc/cfg.texi: Likewise.
759 * doc/cpp.texi: Likewise.
760 * doc/cppinternals.texi: Likewise.
761 * doc/fragments.texi: Likewise.
762 * doc/frontends.texi: Likewise.
763 * doc/gcc.texi: Likewise.
764 * doc/gty.texi: Likewise.
765 * doc/hostconfig.texi: Likewise.
766 * doc/implement-c.texi: Likewise.
767 * doc/libgcc.texi: Likewise.
768 * doc/loop.texi: Likewise.
769 * doc/makefile.texi: Likewise.
770 * doc/options.texi: Likewise.
771 * doc/passes.texi: Likewise.
772 * doc/rtl.texi: Likewise.
773 * doc/sourcebuild.texi: Likewise.
774 * doc/standards.texi: Likewise.
775 * doc/tree-ssa.texi: Likewise.
776 * doc/trouble.texi: Likewise.
778 * doc/extend.texi: Use @: or add comma where appropriate.
779 * doc/invoke.texi: Likewise.
780 * doc/tm.texi: Likewise.
782 2008-02-14 Alan Modra <amodra@bigpond.net.au>
785 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
788 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
790 * doc/md.texi (clz, ctz): Add reference.
791 * doc/rtl.texi (clz, ctz): Likewise.
793 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
796 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
799 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
801 * config/s390/s390.c (struct constant_pool): New field
802 emit_pool_after added.
803 (s390_mainpool_start): Set the emit_pool_after flag according
804 to the section switch notes.
805 (s390_mainpool_finish): Consider emit_pool_after when emitting
806 the literal pool at the end of the function.
807 (s390_chunkify_start): Force literal pool splits at section
810 2008-02-13 Michael Matz <matz@suse.de>
813 * var-tracking.c (clobber_variable_part): Correctly traverse the
816 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
819 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
820 Add -fdump-ipa-inline.
821 * tree-dump.c (dump_files): Remove tree-inlined dump.
822 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
824 2008-02-12 Richard Guenther <rguenther@suse.de>
826 PR tree-optimization/35171
827 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
830 2008-02-12 Richard Guenther <rguenther@suse.de>
833 * fold-const.c (fold_widened_comparison): Use get_unwidened in
834 value-preserving mode. Disallow final truncation.
836 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
839 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
841 (force_gimple_operand): ...here.
843 2008-02-12 Jakub Jelinek <jakub@redhat.com>
846 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
847 non-compatible pointers.
848 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
849 different FIELD_DECLs, try harder by comparing field offsets, sizes
853 * function.c (match_asm_constraints_1): Don't replace the same input
856 2008-02-12 Anatoly Sokolov <aesok@post.ru>
858 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
859 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
860 (expand_epilogue): Restore RAMPZ register.
861 * config/avr/avr.md (RAMPZ_ADDR): New constant.
863 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
865 * config/i386/cygwin.asm: (__alloca): Correct calling
866 convention and alignment.
867 (__chkstk): Force 8 byte stack alignment.
869 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
870 Richard Guenther <rguenther@suse.de>
872 PR tree-optimization/33992
873 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
874 the zero we compare against.
876 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
879 * gthr-win32.h (__gthread_mutex_destroy_function): New function
880 to CloseHandle after unlocking to prevent accumulation of handle
883 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
886 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
887 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
888 and update LABEL_NUSES during and after reload.
890 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
893 * combine.c (simplify_if_then_else): Make sure the comparison is
894 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
896 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
899 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
900 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
901 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
902 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
903 * tree.h (get_type_static_bounds): Likewise.
905 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
907 * doc/invoke.texi (Option Summary, C++ Dialect Options)
908 (Objective-C and Objective-C++ Dialect Options, Warning Options):
909 Make -Wfoo language annotations match what the compiler outputs.
911 2008-02-08 Sa Liu <saliu@de.ibm.com>
913 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
914 intrinsics spu_convts, spu_convtu, spu_convtf.
915 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
917 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
919 * doc/extend.texi (Function Attributes) <noinline>: Mention
920 asm ("") as method to keep calls.
922 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
925 * doc/options.texi (Options): Replace references to opts.sh with
927 * opts-common.c: Likewise.
928 * optc-gen.awk: Likewise.
930 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
932 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
934 2008-02-07 Richard Henderson <rth@redhat.com>
937 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
938 EXPR_LIST for the REG_EQUAL instead of a comparison with a
941 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
943 PR tree-optimization/35085
944 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
945 for operand entry oe2 in addition to operand entry oe3 in order to
946 expose more opportunities for vectorizer sum reduction.
948 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
951 * Makefile.in (LIBS): Remove $(GMPLIBS).
952 (cc1-dummy, cc1): Add $(GMPLIBS).
954 2008-02-06 Jan Hubicka <jh@suse.cz>
957 * i386.md (moddf_integer): Do not produce partial memory stalls for
958 targets where it hurts.
960 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
963 * optabs.c (expand_float): Do not check for decimal modes when
964 expanding unsigned integer through signed conversion.
966 2008-02-06 Nick Clifton <nickc@redhat.com>
968 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
969 inside the clobber with a match_operand and duplicated operand
970 number in the constraint.
971 (ineqbranchsi): Delete redundant comment.
973 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
975 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
976 builtin_define ("__USE_INIT_FINI__").
977 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
979 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
981 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
983 PR documentation/30330
984 * doc/invoke.texi (C++ Dialect Options)
985 (Objective-C and Objective-C++ Dialect Options, Warning Options):
986 For each warning option -Wfoo that allows -Wno-foo, ensure both
987 -Wfoo and -Wno-foo are listed in the option index. Fix index
988 entry of -Wswitch-default, index -Wnormalized= including the
989 `=', and -Wlarger-than-@var{len} including @var{len}.
991 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
993 * config/i386/i386.md (floatunssisf2): Use
994 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
995 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
996 Macroize expander using MODEF mode iterator.
998 2008-02-05 Diego Novillo <dnovillo@google.com>
1000 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
1003 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
1005 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1008 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
1010 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
1013 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
1014 to indicate if a message should be generated.
1015 (init_cumulative_args): Updated.
1016 (function_value_32): Likewise.
1018 2008-02-05 Joseph Myers <joseph@codesourcery.com>
1020 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
1022 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
1025 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
1026 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
1028 2008-02-04 Diego Novillo <dnovillo@google.com>
1030 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
1033 * tree-vrp.c (vrp_evaluate_conditional): With
1034 -Wtype-limits, emit a warning when comparing against a
1035 constant outside the natural range of OP0's type.
1037 2008-02-04 Richard Guenther <rguenther@suse.de>
1040 * expr.c (count_type_elements): Give for unions instead of
1043 2008-02-04 Richard Guenther <rguenther@suse.de>
1046 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
1047 to TYPE_DOMAINs base type instead of using bitsizetype here.
1049 2008-02-03 Jason Merrill <jason@redhat.com>
1051 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
1053 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1056 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
1057 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
1058 (RS/6000 and PowerPC Options): Fix typos and markup.
1059 * doc/passes.texi (Tree-SSA passes): Likewise.
1061 2008-02-02 Michael Matz <matz@suse.de>
1064 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
1065 from record_last_reg_set_info.
1066 (record_last_reg_set_info): Take an RTX argument, iterate over all
1067 constituent hardregs.
1068 (record_last_set_info, record_opr_changes): Change calls to
1069 new signature or to record_last_reg_set_info_regno.
1071 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
1073 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
1075 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
1077 PR rtl-optimization/34773
1078 * reg-notes.def (EQUAL): Mention significance of combination of
1079 REG_EQUAL and REG_RETVAL.
1080 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
1081 insn that has a REG_RETVAL.
1083 2008-02-01 Roger Sayle <roger@eyesopen.com>
1086 * configure.ac (--enable-fixed-point): Disable unless explicitly
1088 * configure: Regenerate.
1090 2008-02-01 Richard Guenther <rguenther@suse.de>
1093 * invoke.texi (-finline-limit): Remove no longer true parts
1094 of the documentation. Note that there is no default value.
1096 2008-02-01 Andrew Pinski <pinskia@gmail.com>
1097 Mark Mitchell <mark@codesourcery.com>
1098 Ben Elliston <bje@au.ibm.com>
1101 * doc/extend.texi (Other Builtins): Document.
1103 2008-01-31 Tom Browder <tom.browder@gmail.com>
1105 * doc/c-tree.texi (Types): Fix grammar.
1106 (Expression trees): Ditto.
1107 * doc/passes.texi (Tree-SSA passes): Ditto.
1109 * doc/configterms.texi (Configure Terms): Fix typo.
1110 * doc/cpp.texi (Common Predefined Macros): Ditto.
1111 * doc/md.texi (Machine Constraints): Ditto.
1113 * doc/makefile.texi (Makefile): Add comma.
1115 2008-01-31 Tom Browder <tom.browder@gmail.com>
1116 Gerald Pfeifer <gerald@pfeifer.com>
1118 * doc/sourcebuild.texi (Front End): Remove references to CVS
1119 and CVSROOT/modules.
1120 (Texinfo Manuals): Replace reference to CVS by one to SVN.
1121 (Back End): Remove reference to CVS.
1123 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
1126 * config/mips/mips.c (gen_load_const_gp): New function, taking a
1128 (mips16_gp_pseudo_reg): ...here.
1129 * config/mips/mips.md (load_const_gp): Replace with...
1130 (load_const_gp_<mode>): ...this :P-based insn.
1132 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1134 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
1135 options. Minor fixes.
1136 (-std): Move reference to standards closer to where language
1137 standards are first mentioned.
1139 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
1141 PR rtl-optimization/34995
1142 * reload.c (alternative_allows_const_pool_ref): Take an rtx
1143 parameter and return a bool. If the rtx parameter is nonnull,
1144 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
1145 (find_reloads): Update call accordingly. Pass the new operand
1146 if it needed no address reloads, otherwise pass null.
1148 2008-01-30 Richard Henderson <rth@redhat.com>
1151 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
1152 for unbounded arrays.
1154 2008-01-30 Silvius Rus <rus@google.com>
1156 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
1158 2008-01-30 Jan Hubicka <jh@suse.cz>
1161 * i386.c (init_cumulative_args): Use real function declaration when
1164 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
1166 PR rtl-optimization/34998
1167 * global.c (build_insn_chain): Treat non-subreg_lowpart
1168 SUBREGs of pseudos as clobbering all the words covered by the
1169 SUBREG, not just all the bytes.
1170 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
1171 original df_ref rather than an extract parameter.
1172 (global_conflicts): Update call accordingly.
1174 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
1176 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
1177 the overflow check to make it easier to read.
1178 (__fixtfdi): Change the type of the ll member in union
1179 long_double to UDItype_x.
1181 2008-01-30 Jakub Jelinek <jakub@redhat.com>
1184 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
1185 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
1186 * tree-inline.c (fold_marked_statements): Call
1187 cgraph_update_edges_for_call_stmt if folding a call statement.
1188 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
1189 debug_generic_stmt calls, reset it back afterwards.
1192 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
1194 * c-typeck.c (build_external_ref): Don't pedwarn about
1195 static vars in current function's scope.
1197 2008-01-29 Joseph Myers <joseph@codesourcery.com>
1199 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
1201 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
1204 * ipa-struct-reorg.c: Fix spelling.
1205 * params.def: Ditto.
1207 2008-01-29 Richard Guenther <rguenther@suse.de>
1210 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
1212 * tree-inline.c (remap_type): Increment remapping_type_depth
1213 around remapping types.
1214 (copy_body_r): Only add referenced variables if they are referenced
1215 from code, not types.
1217 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
1228 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
1229 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
1231 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
1234 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
1235 pointer for tiny stack.
1237 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
1239 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
1241 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
1243 * config/vx-common.h: Fix typo in comment.
1245 2008-01-28 Ian Lance Taylor <iant@google.com>
1249 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
1250 coalesce pointers if they have different DECL_NO_TBAA_P values.
1251 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
1252 between variables with different DECL_NO_TBAA_P values.
1254 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
1257 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
1258 are not legitimate small data references on SPE targets.
1260 2008-01-28 David Daney <ddaney@avtrex.com>
1262 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
1264 2008-01-28 David Daney <ddaney@avtrex.com>
1266 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
1268 2008-01-27 Joseph Myers <joseph@codesourcery.com>
1270 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
1271 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
1272 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
1273 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
1274 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
1275 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
1276 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
1277 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
1279 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
1281 * basic-block.h (condjump_equiv_p): Fix comment.
1283 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
1285 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
1286 print_generic_stmt_indented): Fix comment.
1288 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
1290 * configure.ac (__stack_chk_fail): Add detecion for availability
1291 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
1292 * configure: Regenerate.
1294 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
1297 * final.c (output_addr_const): Handle TRUNCATE.
1299 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
1302 * tree-ssa-loop-ivopts.c (comp_cost): New type.
1303 (zero_cost, infinite_cost): New constants.
1304 (struct cost_pair): Change type of cost to comp_cost.
1305 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
1306 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
1308 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
1309 split_address_cost, ptr_difference_cost, difference_cost,
1310 get_computation_cost_at, get_computation_cost,
1311 determine_use_iv_cost_generic, determine_use_iv_cost_address,
1312 determine_use_iv_cost_condition, determine_use_iv_costs,
1313 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
1314 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
1315 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
1316 Change type of cost to comp_cost.
1317 (determine_iv_cost): Increase cost of non-original ivs, instead
1318 of decreasing the cost of original ones.
1319 (get_address_cost): Indicate the complexity of the addressing mode
1321 (try_add_cand_for): Prefer using ivs not specific to some object.
1322 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
1324 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
1325 Janis Johnson <janis187@us.ibm.com>
1328 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
1329 (TARGET_INSTANTIATE_DECLS): Likewise.
1330 * target.h (expand_to_rtl_hook): New target hook.
1331 (instantiate_decls): Likewise.
1332 * function.c (instantiate_decl): Make non-static. Rename to...
1333 (instantiate_decl_rtl): ... this.
1334 (instantiate_expr): Use instantiate_decl_rtl.
1335 (instantiate_decls_1): Likewise.
1336 (instantiate_decls): Likewise.
1337 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
1338 * function.h (instantiate_decl_rtl): Add prototype.
1339 * cfgexpand.c (target.h): New include.
1340 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
1341 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
1342 (TARGET_INSTANTIATE_DECLS): Likewise.
1343 (TARGET_INITIALIZER): New target hooks added.
1344 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
1346 * config/rs6000/rs6000.c (tree-flow.h): New include.
1347 (machine_function): Add sdmode_stack_slot field.
1348 (rs6000_alloc_sdmode_stack_slot): New function.
1349 (rs6000_instantiate_decls): Likewise.
1350 (rs6000_secondary_memory_needed_rtx): Likewise.
1351 (rs6000_check_sdmode): Likewise.
1352 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
1353 (TARGET_INSTANTIATE_DECLS): Likewise.
1354 (rs6000_hard_regno_mode_ok): Allow SDmode.
1355 (num_insns_constant): Likewise. Handle _Decimal32 constants.
1356 (rs6000_emit_move): Handle SDmode.
1357 (function_arg_advance): Likewise.
1358 (function_arg): Likewise.
1359 (rs6000_gimplify_va_arg): Likewise. Add special handling of
1360 SDmode var args for 32-bit compiles.
1361 (rs6000_secondary_reload_class): Handle SDmode.
1362 (rs6000_output_function_epilogue): Likewise.
1363 (rs6000_function_value): Simplify if statement.
1364 (rs6000_libcall_value): Likewise.
1365 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
1366 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
1367 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
1368 (movsd_hardfloat): New define_insn.
1369 (movsd_softfloat): Likewise.
1370 (movsd_store): Likewise.
1371 (movsd_load): Likewise.
1372 (extendsddd2): Likewise.
1373 (extendsdtd2): Likewise.
1374 (truncddsd2): Likewise.
1375 (movdd_hardfloat64): Fixup comment.
1376 (UNSPEC_MOVSD_LOAD): New constant.
1377 (UNSPEC_MOVSD_STORE): Likewise.
1379 2008-01-26 Jakub Jelinek <jakub@redhat.com>
1382 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
1384 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
1385 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
1386 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
1389 2008-01-26 David Edelsohn <edelsohn@gnu.org>
1392 * config.gcc: Separate AIX 5.3 from AIX 6.1.
1393 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1394 __LONGDOUBLE128 too.
1395 * config/rs6000/aix61.h: New file.
1397 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
1399 PR rtl-optimization/34959
1400 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
1401 popcount and parity rtxes the same mode as their operand.
1402 Truncate or extend the result to the return value's mode
1405 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
1408 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
1409 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
1410 to GOT_VERSION_REGNUM.
1411 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
1412 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
1413 * config/mips/mips.c (mips_emit_call_insn): New function.
1414 (mips_call_tls_get_addr): Call mips_expand_call directly.
1415 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
1417 (mips16_build_call_stub): Likewise. Return the call insn or null.
1418 (mips_expand_call): Update the call to mips16_build_call_stub
1419 accordingly and a remove redundant condition. Assert that MIPS16
1420 stubs do not use lazy binding. Use mips_emit_call_insn and return
1422 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
1424 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
1425 (mips_avoid_hazard): Remove hazard_set handling.
1426 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
1427 (UNSPEC_RESTORE_GP): ...this.
1428 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
1429 (FAKE_CALL_REGNO): Rename to...
1430 (GOT_VERSION_REGNUM): ...this.
1431 (type): Add "ghost" value. Add an associated insn reservation.
1432 (hazard_set): Remove.
1433 (exception_receiver): Rename to...
1434 (restore_gp): ...this and update the unspec identifier accordingly.
1435 (exception_receiver, nonlocal_got_receiver): New expanders.
1436 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
1437 FAKE_CALL_REGNO. Remove hazard_set attribute.
1438 (set_got_version, update_got_version): New patterns.
1440 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
1443 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
1445 2008-01-25 Joseph Myers <joseph@codesourcery.com>
1448 * doc/install.texi2html: Generate gcc-vers.texi.
1450 2008-01-25 DJ Delorie <dj@redhat.com>
1452 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1454 2008-01-25 Joseph Myers <joseph@codesourcery.com>
1456 * config/c4x: Remove directory.
1457 * config.gcc (crx-*, mt-*): Mark obsolete.
1458 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
1459 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
1460 sh-*-rtemscoff*): Remove cases.
1461 * defaults.h (C4X_FLOAT_FORMAT): Remove.
1462 * real.c (encode_c4x_single, decode_c4x_single,
1463 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
1464 c4x_extended_format): Remove.
1465 * real.h (c4x_single_format, c4x_extended_format): Remove.
1466 * doc/extend.texi (interrupt, naked): Remove mention of attributes
1468 (Pragmas): Remove comment about c4x pragmas.
1469 * doc/install.texi (c4x): Remove target-specific instructions.
1470 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
1471 * doc/md.texi (Machine Constraints): Remove C4x documentation.
1472 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
1473 refer to C4x source files as examples.
1474 (C4X_FLOAT_FORMAT): Remove documentation.
1476 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
1478 * config/bfin/bfin.c (override_options): Reorder tests so that
1479 flag_pic gets enabled for -msep-data.
1481 2008-01-25 Richard Guenther <rguenther@suse.de>
1484 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
1485 to its bitfield precision if required.
1487 2008-01-25 Jakub Jelinek <jakub@redhat.com>
1490 * tree-nested.c (walk_omp_for): New function.
1491 (convert_nonlocal_reference, convert_local_reference): Call
1492 walk_omp_for on OMP_FOR.
1493 (convert_call_expr): Call walk_body on OMP_FOR's
1494 OMP_FOR_PRE_INIT_BODY.
1496 2008-01-25 Richard Guenther <rguenther@suse.de>
1498 PR tree-optimization/34966
1499 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
1500 default defs and PHI_NODEs we have to insert after the
1503 2008-01-24 Nick Clifton <nickc@redhat.com>
1505 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
1506 Provide a default definition.
1507 (LIBGCC2_UNITS_PER_WORD): Likewise.
1509 * config/stormy16/stormy16.c: Include df.h for the prototype
1510 for df_regs_ever_live_p.
1511 (xstormy16_expand_builtin_va_start): Convert the stack offset
1512 into a component_ref and then use POINTER_PLUS_EXPR to add it
1513 to the incoming_virtual_args_rtx.
1514 (xstormy16_gimplify_va_arg_expr): Rename to
1515 xstormy16_gimplify_va_arg_expr.
1516 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
1517 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
1518 xstormy16_gimplify_va_arg_expr.
1519 Fix up some formatting issues.
1521 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
1522 Move to predicates.md.
1523 (xs_hi_general_operand): Likewise.
1524 (xs_hi_nonmemory_operand): Likewise.
1525 * config/stormy16/predicates.md:
1526 (xstormy16_carry_plus_operand): New predicate.
1527 (xs_hi_general_operand): New predicate.
1528 (xs_hi_nonmemory_operand): New predicate.
1529 * config/stormy16/stormy16-protos.h:
1530 (xstormy16_carry_plus_operand): Delete prototype.
1531 (xs_hi_general_operand): Likewise.
1532 (xs_hi_nonmemory_operand): Likewise.
1534 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
1535 modifiers as they are no longer needed and they can trigger
1536 reload spill failures.
1538 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
1539 with a match_operand in order to help reload.
1541 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
1542 constraint with 'e' for the 8th alternative as this version of
1543 the mov.w instruction only accepts the lower 8 registers.
1545 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
1548 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
1549 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
1552 2008-01-25 Jakub Jelinek <jakub@redhat.com>
1555 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
1557 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
1559 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
1561 (remove_structure): Update allocations list before removing structure.
1563 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
1565 * ipa-struct-reorg.c (is_safe_cond_expr,
1566 create_new_stmts_for_cond_expr): Use integer_zerop function,
1567 that recognize not only zero-pointer, but zero-integer too.
1569 2008-01-25 Ben Elliston <bje@au.ibm.com>
1572 * fixproto: Escape "." in sed expression that strips leading "./".
1574 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
1577 * gcc.c (SWITCH_OK): Removed.
1578 (SWITCH_LIVE): Changed to bit.
1579 (SWITCH_FALSE): Likewise.
1580 (SWITCH_IGNORE): Likewise.
1581 (switchstr): Change live_cond to unsigned int.
1582 (process_command): Replace SWITCH_OK with 0.
1583 (do_self_spec): Likewise.
1584 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
1585 (give_switch): Likewise.
1586 (used_arg): Likewise.
1587 (do_spec_1): Set the SWITCH_IGNORE bit.
1588 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
1589 bits. Set the SWITCH_LIVE bit.
1591 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
1593 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
1595 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
1597 PR tree-optimization/34472
1598 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
1599 parameter to a "bool *" and set *DATA to false if there is
1600 an unsafe access. Do not delete the structure here.
1601 (check_cond_exprs): Delete it here instead.
1602 (check_cond_exprs, exclude_cold_structs): Do not increase
1603 I when removing a structure.
1605 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
1608 * config/i386/i386.c (ix86_expand_vector_init): Consider only
1609 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
1611 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
1614 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
1615 a fixed vector for stack.
1617 2008-01-24 Ben Elliston <bje@au.ibm.com>
1620 * doc/gcc.texi (Software development): Add a direntry for g++.
1622 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
1624 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
1625 stale and straggling -fforce-addr comments above.
1627 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
1629 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
1630 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
1632 2008-01-23 Michael Matz <matz@suse.de>
1635 * dwarf2out.c (force_type_die): Use modified_type_die instead of
1638 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
1640 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
1643 2008-01-23 Anatoly Sokolov <aesok@post.ru>
1645 * config/avr/avr.c (avr_current_arch): New variable.
1646 (avr_arch_types): Add 'avr31' and 'avr51' entries.
1647 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
1648 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
1649 (avr_override_options): Init 'avr_current_arch'.
1650 (base_arch_s): Move from here...
1651 * config/avr/avr.h (base_arch_s): ... here. Add new members
1652 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
1653 'mega' to 'have_jmp_call'.
1654 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
1655 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
1657 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
1659 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
1660 MULTILIB_MATCHES): (Ditto.).
1662 2008-01-23 Richard Guenther <rguenther@suse.de>
1665 * cgraphunit.c (cgraph_reset_node): Always mark the node
1666 not reachable if it is not queued already.
1668 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
1670 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
1671 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
1672 (cputype_selected): New static variable.
1673 (bfin_handle_option): Set it if -mcpu is used.
1674 (override_option): Select default set of workarounds if no cpu type
1675 selected on the command line.
1676 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
1678 From Michael Frysinger <michael.frysinger@analog.com>
1679 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
1680 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
1682 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
1683 for bf547, bf523, bf524, and bf526.
1684 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
1686 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1687 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
1688 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
1689 __ADSPBF547__ and __ADSPBF54x__ for bf547.
1690 * doc/invoke.texi (Blackfin Options): Document that
1691 -mcpu now accept bf547, bf523, bf524, and bf526.
1693 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
1695 PR rtl-optimization/34628
1696 * combine.c (try_combine): Stop and undo after the first combination
1697 if an autoincrement side-effect on the first insn has effectively
1700 2008-01-22 David Edelsohn <edelsohn@gnu.org>
1703 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
1704 Offset addresses are not valid for Altivec or paired float modes.
1706 2008-01-22 Jakub Jelinek <jakub@redhat.com>
1709 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
1710 if DECL_INITIAL (decl) is error_mark_node.
1713 * c-common.c (handle_vector_size_attribute): Only allow
1714 integral, scalar float and fixed point types. Handle OFFSET_TYPE
1715 the same way as pointer, array etc. types.
1716 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
1719 * tree.c (build_type_attribute_qual_variant): Call
1720 build_qualified_type if attributes are equal, but quals are not.
1722 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1725 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
1726 * flags.h (warn_strict_aliasing): Remove.
1727 (warn_strict_overflow): Remove.
1728 * opts.c (warn_strict_aliasing): Remove.
1729 (warn_strict_overflow): Remove.
1730 * c-opts.c (c_common_handle_option): -Wall only sets
1731 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
1732 (c_common_post_options): Give default values to -Wstrict-aliasing
1733 and -Wstrict-overflow if they are uninitialized.
1734 * common.opt (Wstrict-aliasing): Specify Var and Init.
1735 (Wstrict-overflow): Likewise.
1737 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1739 PR rtl-optimization/26854
1740 PR rtl-optimization/34400
1741 PR rtl-optimization/34884
1742 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
1744 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
1745 (df_rd_bb_info.expanded_lr_out): Deleted
1746 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
1747 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
1748 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
1749 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
1750 Removed code to allocate, initialize or free expanded_lr_out.
1751 (df_rd_bb_local_compute_process_def): Restructured to make more
1753 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
1754 sets if the sets are being trimmed.
1756 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
1759 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
1760 (as_vers): Likewise.
1761 * configure: Regenerated.
1763 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1766 * tree-pass.h (pass_build_alias): New pass.
1767 * tree-ssa-alias.c (gate_build_alias): New.
1768 (pass_build_alias): New.
1769 * passes.c (init_optimization_passes): Add pass_build_alias after
1770 pass_create_structure_vars.
1772 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
1774 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
1775 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
1776 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
1777 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
1778 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
1779 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
1780 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
1781 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
1782 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
1783 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
1784 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
1785 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
1786 * config/s390/s390.md (FP_ALL): New mode iterator.
1787 (_d): New mode attribute.
1788 ("*signbit<mode>2>"): Changed mode of first operand.
1789 ("isinf<mode>2"): Changed mode of first operand.
1790 ("*TDC_insn"): Adaptation for DFP modes.
1792 2008-01-22 Ben Elliston <bje@au.ibm.com>
1794 * tree.c (check_qualified_type): Improve function description.
1796 2008-01-21 Jason Merrill <jason@redhat.com>
1799 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
1800 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
1803 2008-01-21 DJ Delorie <dj@redhat.com>
1805 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
1808 2008-01-21 Richard Guenther <rguenther@suse.de>
1811 * tree-cfg.c (verify_expr): Allow all invariant expressions
1812 instead of just constant class ones as reference argument.
1813 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
1814 like any other constant.
1815 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
1817 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
1819 * regmove.c (fixup_match_1): Update call crossed frequencies.
1821 2008-01-21 Richard Guenther <rguenther@suse.de>
1824 * tree-inline.c (setup_one_parameter): Deal with mismatched
1825 types using a VIEW_CONVERT_EXPR.
1827 2008-01-21 Alon Dayan <alond@il.ibm.com>
1828 Olga Golovanevsky <olga@il.ibm.com>
1830 PR tree-optimization/34701
1831 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
1832 when the structure size is not a power of 2.
1834 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
1836 * doc/install.texi: Add doc for --enable-checking=df.
1838 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
1840 PR rtl-optimization/34808
1841 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
1843 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
1845 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
1848 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1850 PR rtl-optimization/26854
1851 PR rtl-optimization/34400
1852 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
1854 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
1855 (df_rd_bb_info.expanded_lr_out): New.
1856 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
1857 * loop_iv.c (iv_analysis_loop_init): Ditto.
1858 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
1859 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
1860 Added code to allocate, initialize or free expanded_lr_out.
1861 (df_rd_bb_local_compute_process_def): Restructured to make
1862 more understandable.
1863 (df_rd_confluence_n): Add code to do nothing with fake edges and
1864 code to no apply invalidate_by_call sets if the sets are being trimmed.
1865 (df_lr_local_finalize): Renamed to df_lr_finalize.
1866 (df_live_local_finalize): Renamed to df_live_finalize.
1868 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
1871 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
1872 deciding whether to use reciprocal instructions.
1874 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
1876 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
1877 dwarf2out_note_section_used if cold_text_section is NULL.
1879 2008-01-19 Jakub Jelinek <jakub@redhat.com>
1881 PR gcov-profile/34610
1882 * tree-cfg.c (make_edges): Mark both outgoing edges from
1883 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
1884 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
1885 from OMP_FOR and OMP_CONTINUE outgoing edges.
1887 * tree-profile.c (tree_profiling): Return early if
1888 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
1890 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
1891 from cfun to child_cfun.
1892 * function.h (struct function): Add after_tree_profile bit.
1894 2008-01-19 Anatoly Sokolov <aesok@post.ru>
1896 * config/avr/avr.S (_exit): Disable interrupt.
1898 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
1899 Steven Bosscher <stevenb.gcc@gmail.com>
1901 PR rtl-optimization/26854
1902 PR rtl-optimization/34400
1903 * df-problems.c (df_live_scratch): New scratch bitmap.
1904 (df_live_alloc): Allocate df_live_scratch when doing df_live.
1905 (df_live_reset): Clear the proper bitmaps.
1906 (df_live_bb_local_compute): Only process the artificial defs once
1907 since the order is not important.
1908 (df_live_init): Init the df_live sets only with the variables
1909 found live by df_lr.
1910 (df_live_transfer_function): Use the df_lr sets to prune the
1911 df_live sets as they are being computed.
1912 (df_live_free): Free df_live_scratch.
1914 2008-01-18 Ian Lance Taylor <iant@google.com>
1916 * common.opt: Add fmerge-debug-strings.
1917 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
1918 flag_merge_debug_strings rather than flag_merge_constants.
1919 * doc/invoke.texi (Option Summary): Mention
1920 -fmerge-debug-strings.
1921 (Debugging Options): Document -fmerge-debug-strings.
1923 2008-01-18 Ian Lance Taylor <iant@google.com>
1926 * tree.h (DECL_IS_OPERATOR_NEW): Define.
1927 (struct tree_function_decl): Add new field operator_new_flag.
1928 * tree-inline.c (expand_call_inline): When inlining a call to
1929 operator new, force the return value to go into a variable, and
1930 set DECL_NO_TBAA_P on that variable.
1931 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
1933 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
1936 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
1937 DWARF2_DEBUGGING_INFO.
1938 (dwarf2out_note_section_used): Ditto. Add prototype.
1939 (have_multiple_function_sections, text_section_used,
1940 cold_text_section_used, *cold_text_sections): Move declarations
1943 2008-01-17 Bob Wilson <bob.wilson@acm.org>
1945 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
1946 field and add signal_ra.
1947 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
1948 assignments to frame state pc. Move end of stack check after
1949 MD_FALLBACK_FRAME_STATE_FOR.
1950 (uw_update_context_1): Use frame state signal_regs if set, instead
1951 of checking signal_frame flag.
1952 (uw_update_context): Use frame state signal_ra if set.
1953 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
1954 * config/xtensa/linux-unwind.h: New file.
1956 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
1958 * modulo-sched.c (get_sched_window): Fix comment typo.
1960 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
1962 PR tree-optimization/34648
1963 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
1965 2008-01-17 Anatoly Sokolov <aesok@post.ru>
1967 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
1968 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
1970 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
1972 PR rtl-optimization/34400
1973 * df-core.c (df_worklist_dataflow_overeager,
1974 df_worklist_dataflow_doublequeue): New functions.
1975 (df_worklist_dataflow): Two different worklist solvers.
1976 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
1979 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
1982 * doc/invoke.texi: Document the dependence on pthread for fopenmp
1983 and ftree-parallelize-loops.
1985 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
1987 PR rtl-optimization/34826
1988 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
1990 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
1992 * global.c (find_reg): Mark the eh regs as used if necessary.
1993 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
1994 * ra.h (struct allocno): no_eh_reg field added. Changed
1995 no_stack_reg type to bitfield.
1997 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
1999 * tree.c (substitute_in_expr): Add missing 'break'.
2001 2008-01-17 Richard Guenther <rguenther@suse.de>
2003 PR tree-optimization/34825
2004 * tree-ssa-math-opts.c (is_division_by): Do not recognize
2005 x / x as division to handle.
2007 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2009 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
2010 "-pthread" is specified.
2011 * pa-hpux11.h (LIB_SPEC): Likewise.
2013 2008-01-16 Janis Johnson <janis187@us.ibm.com>
2014 Peter Bergner <bergner@vnet.ibm.com>
2016 PR rtl-optimization/33796
2017 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
2019 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2021 PR libgfortran/34699
2022 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
2024 * pa-hpux10.h (LINK_SPEC): Likewise.
2025 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
2027 2008-01-16 Richard Guenther <rguenther@suse.de>
2030 * fold-const.c (fold_convert_const_int_from_int): Do not
2031 set overflow if that occured only because of a sign extension
2032 change when converting from/to a sizetype with the same
2033 precision and signedness.
2035 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
2038 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
2039 location address to the correct place. Update copyright year.
2041 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
2043 * lambda-code.c (lambda_transform_legal_p): Handle the case of
2044 no dependences in the dependence_relations vector.
2046 2008-01-16 Jan Hubicka <jh@suse.cz>
2048 PR rtl-optimization/31396
2049 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
2050 * cfg.c (dump_reg_info): Print it.
2051 * regs.h (struct reg_info_t): add freq_calls_crossed.
2052 (REG_FREQ_CALLS_CROSSED): New macro.
2053 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
2054 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
2055 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
2056 regmove_optimize): Update call crossed frequencies.
2057 * local-alloc.c (struct qty): Add freq_calls_crossed.
2058 (alloc_qty): Copute freq_calls_crossed.
2059 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
2060 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
2061 * ra.h (struct allocno): Add freq_calls_crossed.
2063 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
2065 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
2066 libgomp when compiling with ftree-parallelize-loops.
2067 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
2069 2008-01-16 Richard Guenther <rguenther@suse.de>
2071 PR tree-optimization/34769
2072 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
2073 * tree.c (int_cst_value): Instead make this function more
2074 permissive in what it accepts as valid input. Document this
2075 function always sign-extends the value.
2077 2008-01-16 Jakub Jelinek <jakub@redhat.com>
2078 Richard Guenther <rguenther@suse.de>
2081 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
2082 (gimple_fold_indirect_ref_rhs): ... this.
2083 (gimple_fold_indirect_ref): New function with foldings
2084 that preserve lvalueness.
2085 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
2086 * tree-flow.h (gimple_fold_indirect_ref): Declare.
2087 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
2088 to fold an INDIRECT_REF, fall back to the old use of
2089 fold_indirect_ref_1.
2091 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
2093 * tree-data-ref.c (subscript_dependence_tester_1): Call
2094 free_conflict_function.
2095 (compute_self_dependence): Same.
2097 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
2100 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
2101 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
2103 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
2104 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
2105 for DWARF2_UNWIND_INFO targets.
2107 2008-01-16 Richard Guenther <rguenther@suse.de>
2110 * c-typeck.c (common_pointer_type): Do not merge inconsistent
2111 type qualifiers for function types.
2113 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
2115 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
2116 loop_iterator li from previous commit.
2118 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
2120 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
2122 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
2124 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
2125 (parallelize_loops): Don't parallelize irreducible components.
2127 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2130 * c-opts (c_common_post_options): Do not enable CPP
2131 flag_pedantic_errors by default.
2133 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
2135 PR rtl-optimization/31944
2136 * cse.c (remove_pseudo_from_table): New function.
2137 (merge_equiv_classes): Use above function to remove pseudo-registers.
2138 (invalidate): Likewise.
2140 2008-01-13 Richard Guenther <rguenther@suse.de>
2143 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
2144 instead of TYPE_MODE to deal with calls from expand_one_error_var.
2146 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
2148 * gcse.c (cprop_jump): Call validate_unshare_change instead of
2149 validate_change to unshare the source of the PC set.
2151 2008-01-12 Jan Hubicka <jh@suse.cz>
2154 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
2155 references above array bounds. This might trigger bounds checks for
2158 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
2160 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
2161 new_replaceable_dependencies.
2163 2008-01-12 Doug Kwan <dougkwan@google.com>
2165 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
2166 instead of OPT_Wreturn_type in warning due to ignored return type
2168 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
2169 options included in -Wextra.
2170 * c.opt: New option -Wignored_qualifiers.
2171 * doc/invoke.texi (Warning Options, -Wextra): Add new option
2172 -Wignore_qualifiers.
2173 (-Wignored-qualifiers): Document.
2174 (-Wreturn-type): Remove description of functionality now handled
2175 by -Wignored-qualifiers.
2177 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
2180 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
2181 NOP_EXPR if it is between integral types with the same precision.
2183 2008-01-12 Jan Hubicka <jh@suse.cz>
2186 * invoke.texi (max-inline-recursive-depth): Fix default value.
2188 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
2190 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
2193 2008-01-11 Bob Wilson <bob.wilson@acm.org>
2195 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
2197 2008-01-11 James E. Wilson <wilson@specifix.com>
2200 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
2202 2008-01-11 Anatoly Sokolov <aesok@post.ru>
2204 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
2205 save/restore frame pointer register and don't use 'call-prologues'
2206 optimization in function with "OS_task" attribute.
2208 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
2211 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
2212 when copying to memory.
2214 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
2216 PR rtl-optimization/30905
2217 * cfgcleanup.c: Include dce.h
2218 (crossjumps_occured): New global variable.
2219 (try_crossjump_bb): Exit loop after finding a fallthru edge.
2220 If something changed, set crossjumps_occured to true.
2221 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
2222 Don't add/remove fake edges to exit here...
2223 (cleanup_cfg): ...but do it here, when crossjumping.
2224 Run a fast DCE when successful crossjumps occured in the latest
2225 iteration of try_optimize_cfg.
2227 2008-01-11 Richard Guenther <rguenther@suse.de>
2229 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
2230 (struct vn_unary_op_s): Likewise.
2231 (vn_reference_insert): Free old reference on hash collision.
2233 2008-01-10 Raksit Ashok <raksit@google.com>
2235 PR rtl-optimization/27971
2236 * combine.c (find_split_point): Split PLUS expressions which are
2237 inside a MEM rtx, and whose first operand is complex.
2239 2008-01-10 DJ Delorie <dj@redhat.com>
2241 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
2242 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
2243 (m32c_hard_regno_ok): Call the underlying function.
2245 2008-01-10 Richard Guenther <rguenther@suse.de>
2248 * tree-cfg.c (tree_merge_blocks): Do not go through the
2249 full-blown folding and stmt updating path if we just deal
2250 with virtual operands.
2251 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
2252 test for abnormal SSA_NAMEs.
2254 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
2257 * reload.c (push_reload): Add assertions. All constants from
2258 reg_equiv_constant should have been used for replacing the respective
2260 (find_reloads_address): Invoke find_reloads_address_part for
2261 constant taken from the reg_equiv_constant array.
2263 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
2265 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
2266 field (valnum) the first in the struct. Replace bools with
2269 2008-01-10 Richard Guenther <rguenther@suse.de>
2271 PR tree-optimization/34651
2272 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
2273 types and ordering for masking and converting.
2275 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
2277 PR tree-optimization/34017
2278 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
2279 also for PHI_NODE expressions.
2281 2008-01-09 Jan Hubicka <jh@suse.cz>
2283 PR tree-optimization/34708
2284 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
2285 based on number of case labels.
2286 (init_inline_once): Remove switch_cost.
2287 * tree-inline.h (eni_weights_d): Remove switch_cost.
2289 2008-01-09 Richard Guenther <rguenther@suse.de>
2290 Andrew Pinski <andrew_pinski@playstation.sony.com>
2293 * gimplify.c (gimplify_cond_expr): Do not create an addressable
2294 temporary if an rvalue is ok or an lvalue is not required.
2296 2008-01-09 Richard Guenther <rguenther@suse.de>
2299 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
2302 2008-01-09 Richard Guenther <rguenther@suse.de>
2305 * tree.c (host_integerp): Check for sizetype only if the
2306 type is an integer type.
2308 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
2311 * opts.c (decode_options): Disable inlining of functions called
2312 once if not in unit-at-a-time mode.
2314 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
2316 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
2318 2008-01-08 Richard Guenther <rguenther@suse.de>
2321 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
2322 out early if the result will be unused.
2324 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
2329 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
2330 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
2333 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
2335 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
2336 for vectorization tuned.
2338 2008-01-08 Richard Guenther <rguenther@suse.de>
2340 PR tree-optimization/34683
2341 * tree-ssa-operands.c (operand_build_cmp): Export.
2342 * tree-ssa-operands.h (operand_build_cmp): Declare.
2343 * tree-vn.c (vuses_compare): Remove.
2344 (sort_vuses): Use operand_build_cmp.
2345 (sort_vuses_heap): Likewise.
2346 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
2347 to re-use old VEC if available. Do not sort already sorted VUSEs.
2348 (vdefs_to_vec): Do not sort already sorted VDEFs.
2350 2008-01-08 Jakub Jelinek <jakub@redhat.com>
2353 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
2355 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
2358 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
2359 limitations of reciprocal sequences on x86 targets.
2361 2008-01-08 Richard Guenther <rguenther@suse.de>
2363 PR tree-optimization/34683
2364 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
2366 2008-01-07 Jakub Jelinek <jakub@redhat.com>
2369 * config/darwin.c (darwin_mergeable_string_section): Don't use
2370 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
2372 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
2375 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
2376 negxf2. Macroize expander using X87MODEF mode iterator. Change
2377 predicates of op0 and op1 to register_operand.
2378 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
2379 expander using X87MODEF mode iterator. Change predicates of
2380 op0 and op1 to register_operand.
2381 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
2382 corresponding patterns and macroize using MODEF macro. Change
2383 predicates of op0 and op1 to register_operand and remove
2384 "m" constraint. Disparage "r" alternative with "!".
2385 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
2386 macroize using X87MODEF macro. Change predicates of op0 and op1
2387 to register_operand and remove "m" constraint. Disparage "r"
2388 alternative with "!".
2389 (absneg splitter with memory operands): Remove.
2390 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
2391 patterns and macroize using X87MODEF mode iterator.
2392 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
2393 Change predicate of op1 to register_operand.
2394 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
2395 for memory operands.
2397 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
2399 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
2401 2008-01-07 Richard Guenther <rguenther@suse.de>
2403 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
2406 2008-01-07 Richard Guenther <rguenther@suse.de>
2408 PR tree-optimization/34683
2409 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
2410 VOPs of the needed size to save memory. Use VEC_quick_push
2411 to save compile-time.
2412 (vdefs_to_vec): Likewise.
2414 2008-01-07 Sa Liu <saliu@de.ibm.com>
2416 * config/spu/spu.md (divdf3): Genetate inline code for double
2417 division. The implementation doesn't handle INF or NAN, therefore it
2418 only applies when -ffinite-math-only is given.
2420 2008-01-06 Paolo Carlini <pcarlini@suse.de>
2423 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
2424 * doc/cpp.texi ([Common Predefined Macros]): Document.
2426 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
2428 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
2429 order to use commutative addition instead of subtraction.
2431 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2432 Mircea Namolaru <namolaru@il.ibm.com>
2433 Vladimir Yanovsky <yanov@il.ibm.com>
2434 Revital Eres <eres@il.ibm.com>
2436 PR tree-optimization/34263
2437 * tree-outof-ssa.c (process_single_block_loop_latch,
2438 contains_tree_r): New functions.
2439 (analyze_edges_for_bb): Call process_single_block_loop_latch
2440 function to empty single-basic-block latch block if possible.
2442 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
2444 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
2446 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
2448 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
2450 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
2452 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
2454 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
2456 2008-01-05 Jakub Jelinek <jakub@redhat.com>
2458 PR tree-optimization/34618
2459 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
2462 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
2465 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
2466 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
2467 Update copyright year.
2469 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
2470 Update copyright year.
2471 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
2474 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
2476 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
2477 edge does not point to current bb before changing need_assert.
2479 2008-01-04 Richard Guenther <rguenther@suse.de>
2482 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
2483 for verifying purposes if they are is_gimple_min_invariant.
2485 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
2487 PR tree-optimization/34448
2488 PR tree-optimization/34465
2489 * gimplify.c (gimplify_init_constructor): Add new parameter
2490 notify_temp_creation. Use it.
2491 (gimplify_modify_expr_rhs): Take volatiles into account when
2492 optimizing constructors.
2493 Do not optimize constructors if gimplify_init_constructor will dump to
2495 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
2496 * gcc.c-torture/compile/pr34448.c: New.
2498 2008-01-04 Jakub Jelinek <jakub@redhat.com>
2500 PR gcov-profile/34609
2501 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
2502 return_slot if result is TREE_ADDRESSABLE.
2504 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
2506 * config/mips/mips.md (sqrt_condition): Tweak comment.
2507 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
2509 2008-01-03 Tom Tromey <tromey@redhat.com>
2512 * c-common.c (c_type_hash): Handle VLAs.
2514 2008-01-03 Jan Hubicka <jh@suse.cz>
2516 PR tree-optimization/31081
2517 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
2518 0 when inlining and not inlining to first basic block.
2519 (remap_decl): When var is initialized to 0, don't set default_def.
2520 (expand_call_inline): Set entry_bb.
2521 * tree-inline.h (copy_body_data): Add entry_bb.
2523 2008-01-03 Jakub Jelinek <jakub@redhat.com>
2526 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
2529 PR tree-optimization/29484
2530 * tree-inline.c (inline_forbidden_p_2): New function.
2531 (inline_forbidden_p): Disallow inlining if some static var
2532 has an address of a local LABEL_DECL in its initializer.
2533 * doc/extend.texi (Labels as Values): Document &&foo behaviour
2536 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
2538 PR tree-optimization/34635
2539 * tree-data-ref.c (add_other_self_distances): Make sure that the
2540 evolution step is constant.
2542 2008-01-03 Jakub Jelinek <jakub@redhat.com>
2545 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
2547 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
2549 * tree-sra.c (scalarize_init): Insert the generate_element_init
2550 statements after the generate_element_zero statements.
2552 2008-01-02 Richard Guenther <rguenther@suse.de>
2556 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
2557 for very large number of operands instead of ICEing.
2559 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
2562 * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
2563 while stack probing.
2565 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
2567 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
2570 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
2573 * tree-mudflap.c (mx_register_decls): Guard warning by
2574 !DECL_ARTIFICIAL check.
2576 2008-01-01 Jakub Jelinek <jakub@redhat.com>
2578 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
2579 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
2580 sse5_perm<mode>): Fix constraints.