1 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3 * var-tracking.c (emit_note_insn_var_location): For one part
4 notes with offset 0, don't add EXPR_LIST around the location.
5 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
6 add_location_or_const_value_attribute): Adjust for that change.
9 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
10 into first operand and location into second.
11 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
12 dw_cfi_oprnd_loc for DW_CFA_expression.
13 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
14 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
15 assume first argument is regnum and second argument is location.
17 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
20 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
21 of scratch register to DImode. Split to DImode comparison operator.
22 Use SImode subreg of scratch register in the multiplication.
23 (*cmp_sadd_sidi): Ditto.
24 (*cmp_ssub_si): Ditto.
25 (*cmp_ssub_sidi): Ditto.
27 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
30 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
31 Remove invalid assert and wrong comment.
33 2010-03-26 Jakub Jelinek <jakub@redhat.com>
36 * flags.h (final_insns_dump_p): New extern.
37 * final.c (final_insns_dump_p): New variable.
38 (rest_of_clean_state): Set it before -fdump-final-insns=
39 dumping, clear afterwards.
40 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
41 MEM_ALIAS_SET on MEMs.
43 2010-03-26 David S. Miller <davem@davemloft.net>
45 * configure.ac: Fix sparc GOTDATA_OP bug check.
48 2010-03-26 Alan Modra <amodra@gmail.com>
50 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
52 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
54 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
57 2010-03-25 Jakub Jelinek <jakub@redhat.com>
60 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
61 Clear first_function_block_is_cold.
64 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
65 argument if the argument is truth_value_p.
67 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
69 * config/rs6000/constraints.md: Update copyright year for my changes.
72 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
73 used in reg+reg addressing, swap registers.
75 2010-03-24 Jakub Jelinek <jakub@redhat.com>
78 * target.h (struct gcc_target): Add code_end hook.
79 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
81 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
82 * toplev.c (compile_file): Call targetm.asm_out.code_end
83 hook before unwind info/debug info output.
84 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
85 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
86 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
87 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
88 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
89 * config/i386/i386.c (ix86_file_end): Renamed to...
90 (ix86_code_end): ... this. Make static. Don't call
91 file_end_indicate_exec_stack. Emit unwind info using
92 final_start_function/final_end_function.
93 (darwin_x86_file_end): Remove.
94 (TARGET_ASM_CODE_END): Define.
95 * config/i386/i386.h (TARGET_ASM_FILE_END,
96 NEED_INDICATE_EXEC_STACK): Don't define.
97 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
98 (TARGET_ASM_FILE_END): Define to darwin_file_end.
99 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
100 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
103 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
104 at the beginning and final_end_function at the end.
105 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
107 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
109 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
110 and Sun as TLS syntax.
111 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
112 * configure: Regenerate.
113 * config.in: Regenerate.
114 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
115 (default_elf_asm_named_section): Use it.
116 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
117 (i386_output_dwarf_dtprel): Likewise.
118 (output_addr_const_extra): Likewise.
119 (output_pic_addr_const): Lowercase @GOTTPOFF.
120 (output_addr_const_extra): Likewise.
121 (output_pic_addr_const): Lowercase @GOTNTPOFF.
122 (output_addr_const_extra): Likewise.
123 (output_pic_addr_const): Lowercase @INDNTPOFF.
124 (output_addr_const_extra): Likewise.
125 (output_pic_addr_const): Lowercase @NTPOFF.
126 (output_addr_const_extra): Likewise.
127 (output_pic_addr_const): Lowercase @TPOFF.
128 (output_addr_const_extra): Likewise.
129 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
130 (*tls_global_dynamic_64): Likewise.
131 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
132 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
134 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
135 (ASM_OUTPUT_TLS_COMMON): Use it.
136 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
139 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
140 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
141 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
142 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
143 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
144 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
146 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
148 * config/i386/i386.c (override_options): Don't accept
149 -mtls-dialect=sun any longer.
150 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
151 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
152 (*tls_local_dynamic_base_32_sun): Likewise.
153 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
155 2010-03-24 Jakub Jelinek <jakub@redhat.com>
158 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
159 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
162 * ira.c (adjust_cleared_regs): New function.
163 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
167 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
169 * expr.c (expand_expr_real): Restore previous
170 curr_insn_source_location and curr_insn_block after
171 expand_expr_real_1 call.
172 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
173 instead of expand_expr_real_1.
175 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
177 PR rtl-optimization/43413
178 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
181 2010-03-22 James E. Wilson <wilson@codesourcery.com>
184 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
185 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
187 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
189 * config/i386/i386.c (ix86_target_string): Add -mfma.
190 Fix a typo in comment.
192 2010-03-22 Mike Stump <mikestump@comcast.net>
195 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
196 Don't overly align based upon packed packed fields.
198 2010-03-22 Jason Merrill <jason@redhat.com>
200 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
201 Use () rather than [], and move before the element type.
203 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
205 * doc/configfiles.texi (Configuration Files): Removed
206 fixinc/Makefile*, intl/Makefile.*.
207 * doc/makefile.texi: Fixed markup. Abstract from version
209 (Makefile): Removed obsolete gcc/java/parse.y example.
210 * doc/sourcebuild.texi: Likewise.
211 (Top Level): Added config, gnattools, libdecnumber, libgcc,
212 libgomp, libssp. Removed fastjar.
213 (Miscellaneous Docs): Clarify location.
214 Added COPYING3, COPYING3.LIB.
215 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
217 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
220 * config/i386/i386.c (x86_function_profiler)
221 [!NO_PROFILE_COUNTERS]: Fix typo.
222 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
225 2010-03-22 Janis Johnson <janis187@us.ibm.com>
226 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
228 * doc/sourcebuild.texi (Test Directives): Split into six
229 subsections, with most of the current text in new subsections
230 Directives, Selectors, and Final Actions.
231 (Directives): Split list of test directives into multiple
233 (Selectors): Describe use and syntax of selectors.
234 (Effective-Target Keywords): Describe all existing keywords.
235 (Add Options): Describe features for dg-add-options.
236 (Require Support): Describe variants of dg-require-support.
237 (Final Actions): Describe commands to use in dg-final.
239 2010-03-22 Michael Matz <matz@suse.de>
242 * recog.c (validate_replace_rtx_group): Replace also in
243 REG_EQUAL and REG_EQUIV notes.
245 2010-03-22 Richard Guenther <rguenther@suse.de>
247 PR tree-optimization/43390
248 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
249 sure vector extracts are type correct.
251 2010-03-22 Richard Guenther <rguenther@suse.de>
254 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
255 x * sqrt (x) even when optimizing for size if the target
256 has native support for sqrt.
258 2010-03-22 Jakub Jelinek <jakub@redhat.com>
260 * varasm.c (make_decl_rtl_for_debug): Also clear
261 flag_mudflap for the duration of make_decl_rtl call.
264 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
265 locs from preserved VALUEs.
267 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
270 * pa.md (movmemsi): Set align to one if zero.
271 (movmemdi): Likewise.
273 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
276 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
277 with their corresponding prologue pushes.
279 2010-03-20 Andrew Pinski <pinskia@gmail.com>
282 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
283 at the begining or end.
284 (spu_expand_epilogue): Likewise.
286 2010-03-20 Richard Guenther <rguenther@suse.de>
288 PR rtl-optimization/43438
289 * combine.c (make_extraction): Properly zero-/sign-extend an
290 extraction of the low part of a CONST_INT. Also handle
293 2010-03-19 Mike Stump <mikestump@comcast.net>
295 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
296 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
297 (override_options): Use SUBTARGET32_DEFAULT_CPU.
299 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
302 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
305 2010-03-19 Bernd Schmidt <bernd.schmidt@codesourcery.com>
307 PR rtl-optimization/42258
308 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
309 use that may match DEF.
312 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
313 the cost of loading the constant rather than assuming
315 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
316 outer code is AND, do the same tests as the andsi3 expander and
317 return COSTS_N_INSNS (1) if and is cheap.
319 * optabs.c (avoid_expensive_constant): Fix formatting.
321 2010-03-19 Michael Matz <matz@suse.de>
324 * attribs.c (decl_attributes): When rebuilding a function pointer
325 type use the same qualifiers as the original pointer type.
327 2010-03-19 Martin Jambor <mjambor@suse.cz>
329 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
330 and is_gimple_ip_invariant_address.
332 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
335 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
337 * config/arm/arm.c (arm_override_options): Turn off
338 flag_dwarf2_cfi_asm for AAPCS variants.
340 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
343 * config/arm/arm.c (emit_multi_reg_push): Update comments.
344 Use PRE_MODIFY instead of PRE_DEC.
345 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
346 (vfp_emit_fstmd): Likewise.
348 2010-03-19 Michael Matz <matz@suse.de>
351 * builtins.c (expand_builtin_interclass_mathfn,
352 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
355 2010-03-19 Richard Guenther <rguenther@suse.de>
357 PR tree-optimization/43415
358 * tree-ssa-pre.c (phi_translate): Split out worker to ...
359 (phi_translate_1): ... this.
360 (phi_translate): Move all caching here. Cache all NARY
361 and REFERENCE translations.
363 2010-03-19 David S. Miller <davem@davemloft.net>
365 With help from Eric Botcazou.
366 * config/sparc/sparc.c: Include dwarf2out.h.
367 (emit_pic_helper): Delete.
368 (pic_helper_symbol_name): Delete.
369 (pic_helper_emitted_p): Delete.
370 (pic_helper_needed): New.
371 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
372 (get_pc_thunk_name): New.
373 (load_pic_register): Remove 'delay_pic_helper' arg. Use
374 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
375 Set pic_helper_needed to true. Don't call emit_pic_helper.
376 (sparc_expand_prologue): Update load_pic_register call.
377 (sparc_output_mi_thunk): Likewise.
378 (sparc_file_end): Emit a hidden comdat symbol for the PIC
379 thunk if possible. Output CFI information as needed.
381 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
382 Jack Howarth <howarth@bromo.med.uc.edu>
385 * config/i386/i386.h: Fix ABI on darwin x86-32.
387 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
389 * tree.h: Declare make_decl_rtl_for_debug.
390 * varasm.c (make_decl_rtl_for_debug): New.
391 * dwarf2out.c (rtl_for_decl_location): Call it.
392 * cfgexpand.c (expand_debug_expr): Call it.
394 2010-03-18 Jakub Jelinek <jakub@redhat.com>
397 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
401 * var-tracking.c (vt_init_cfa_base): Do nothing if
402 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
404 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
407 * var-tracking.c (canonicalize_vars_star): New.
408 (dataflow_post_merge_adjust): Use it.
410 2010-03-18 Jakub Jelinek <jakub@redhat.com>
413 * var-tracking.c (non_suitable_const): New function.
414 (add_uses): For DEBUG_INSNs with constants, don't record any
415 value, instead just the constant value itself.
416 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
417 is not VAR_LOC_UNKNOWN_P, set var to the constant.
418 (emit_notes_in_bb): Likewise.
419 (emit_note_insn_var_location): For onepart variables if
420 cur_loc is a VOIDmode constant, use DECL_MODE.
422 2010-03-18 Martin Jambor <mjambor@suse.cz>
425 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
426 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
427 all non-clones. Moved call redirection...
428 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
429 (cgraph_materialize_all_clones): Dispose of all
430 combined_args_to_skip bitmaps.
431 (verify_cgraph_node): Do not check for edges pointing to wrong
432 nodes in inline clones.
433 * tree-inline.c (copy_bb): Call
434 cgraph_redirect_edge_call_stmt_to_callee.
435 * ipa.c (cgraph_remove_unreachable_nodes): Call
436 cgraph_node_remove_callees even when there are used clones.
438 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
440 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
442 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
445 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
448 2010-03-18 Michael Matz <matz@suse.de>
451 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
452 into sqrt(x) if we need to preserve signed zeros.
454 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
455 Eric Botcazou <ebotcazou@adacore.com>
457 PR rtl-optimization/43360
458 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
459 note if we don't know its invariant status.
461 2010-03-18 Michael Matz <matz@suse.de>
463 PR tree-optimization/43402
464 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
465 PHI chains of ssa names registered for update.
467 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
470 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
471 non-offsettable and pre_modify update addressing.
472 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
473 and "2" alternatives "#".
474 (*movdd_softfloat32): Make all alternatives "#";
475 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
476 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
477 (*movdf_softfloat32): Make all alternatives "#";
478 (movdi): Use the new DIFD mode iterator to create a common splitter
479 for movdi, movdf and movdd patterns.
481 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
483 * common.opt (dumpdir): Remove redundant tab.
485 2010-03-17 Martin Jambor <mjambor@suse.cz>
487 PR tree-optimization/43347
488 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
489 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
491 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
493 PR rtl-optimization/42216
494 * regrename.c (create_new_chain): New function, broken out from...
495 (scan_rtx_reg): ... here. Call it. Handle the case where we are
496 appending a use to an empty chain.
497 (build_def_use): Remove previous changes that convert OP_INOUT to
498 OP_OUT operands; instead detect the case where an OP_INOUT operand
499 uses a previously untracked register and create an empty chain for it.
501 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
503 * doc/extend.texi (Function Attributes): Rewrite unfinished
504 sentence in ms_abi documentation.
506 2010-03-17 Alan Modra <amodra@gmail.com>
508 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
509 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
510 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
511 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
513 2010-03-16 Richard Henderson <rth@redhat.com>
516 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
517 (lower_try_finally): Save and restore eh_seq around the expansion
520 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
522 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
523 statements before splitting block.
525 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
527 * doc/sourcebuild.texi (Testsuites): Fix markup.
528 Use pathnames relative to gcc/testsuite.
529 (Test Directives): Move description of how timeout is determined.
530 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
531 (C Tests): Correct gcc.misc-tests directory.
532 Framework tests now live in gcc.test-framework.
534 2010-03-16 Richard Guenther <rguenther@suse.de>
537 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
538 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
540 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
541 Alexandre Oliva <aoliva@redhat.com>
543 PR tree-optimization/42917
544 * lambda-code.c (remove_iv): Skip debug statements.
545 (lambda_loopnest_to_gcc_loopnest): Likewise.
546 (not_interesting_stmt): Debug statements are not interesting.
548 2010-03-16 Jakub Jelinek <jakub@redhat.com>
552 * cselib.c (cselib_preserve_constants,
553 cfa_base_preserved_val): New static variables.
554 (preserve_only_constants): New function.
555 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
556 clear its REG_VALUES. If cselib_preserve_constants, don't
557 empty the whole hash table, but preserve there VALUEs with constants,
558 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
559 (cselib_preserve_cfa_base_value): New function.
560 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
561 (cselib_init): Change argument to int bitfield. Set
562 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
564 (cselib_finish): Clear cselib_preserve_constants and
565 cfa_base_preserved_val.
566 * cselib.h (enum cselib_record_what): New enum.
567 (cselib_init): Change argument to int.
568 (cselib_preserve_cfa_base_value): New prototype.
569 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
570 * dse.c (dse_step1): Likewise.
571 * cfgcleanup.c (thread_jump): Likewise.
572 * sched-deps.c (sched_analyze): Likewise.
573 * gcse.c (local_cprop_pass): Likewise.
574 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
575 If FN is non-NULL, call the callback always and whenever it returns
576 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
577 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
578 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
579 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
580 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
581 * var-tracking.c: Include recog.h.
582 (bb_stack_adjust_offset): Remove.
583 (vt_stack_adjustments): Don't call it, instead just gather the
584 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
585 (adjust_stack_reference): Remove.
586 (compute_cfa_pointer): New function.
587 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
588 (struct adjust_mem_data): New type.
589 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
591 (get_address_mode): New function.
592 (replace_expr_with_values): Use it.
593 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
594 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
595 (adjust_sets): Remove.
596 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
597 Use get_address_mode.
598 (get_adjusted_src): Remove.
599 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
600 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
601 (add_with_sets): Don't call adjust_sets.
602 (fp_setter, vt_init_cfa_base): New functions.
603 (vt_initialize): Change return type to bool. Move most of pool etc.
604 initialization to the beginning of the function from end. Pass
605 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
606 If !frame_pointer_needed, call vt_stack_adjustment before mos
607 vector is filled, call vt_init_cfa_base if argp/framep has been
608 eliminated to sp. If frame_pointer_needed and argp/framep has
609 been eliminated to hard frame pointer, set
610 hard_frame_pointer_adjustment and call vt_init_cfa_base after
611 encountering fp setter in the prologue. For MO_ADJUST, call
612 log_op_type before pusing the op into mos vector, not afterwards.
613 Call adjust_insn before cselib_process_insn/add_with_sets,
614 call cancel_changes (0) afterwards.
615 (variable_tracking_main_1): Adjust for vt_initialize calling
616 vt_stack_adjustments and returning whether it succeeded or not.
618 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
620 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
623 2010-03-15 Jakub Jelinek <jakub@redhat.com>
625 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
627 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
628 drap_reg has not been set.
630 2010-03-15 Michael Matz <matz@suse.de>
633 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
634 use it to expand block copies.
635 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
636 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
637 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
639 2010-03-15 Richard Guenther <rguenther@suse.de>
641 PR tree-optimization/43367
642 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
645 2010-03-15 Richard Guenther <rguenther@suse.de>
647 PR tree-optimization/43317
648 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
650 2010-03-15 Martin Jambor <mjambor@suse.cz>
652 PR tree-optimization/43141
653 * tree-sra.c (create_abstract_origin): New function.
654 (modify_function): Call create_abstract_origin.
656 2010-03-15 Chris Demetriou <cgd@google.com>
658 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
661 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
664 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
665 call insert_out_of_ssa_copy for default definitions.
667 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
669 * graphite-clast-to-gimple.c (my_long_long): Defined.
670 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
671 * graphite-sese-to-poly.c (my_long_long): Defined.
672 (scop_ivs_can_be_represented): Use it.
674 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
676 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
677 graphite-max-bbs-per-function, and loop-block-tile-size.
678 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
680 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
682 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
684 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
686 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
687 (add_upper_bounds_from_estimated_nit): New.
688 (build_loop_iteration_domains): Use it.
690 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
692 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
694 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
697 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
698 should be an INTEGER_CST. Also handle CASE_CONVERT.
700 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
702 * graphite.c (graphite_initialize): To bound the number of bbs per
703 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
704 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
705 * doc/invoke.texi: Document it.
707 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
709 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
710 * graphite-sese-to-poly.h (build_poly_scop): Same.
712 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
714 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
715 the number of parameters in the scop. Use as an upper bound
716 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
717 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
718 * doc/invoke.texi: Document it.
720 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
722 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
723 * doc/c-tree.texi: Remove.
724 * doc/generic.texi: Merge c-tree.texi here.
725 * doc/gccint.texi (Trees): Remove menu entry.
726 (c-tree.texi): Remove @include.
727 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
728 * doc/languages.texi (Reading RTL): Ditto.
730 2010-03-12 Steve Ellcey <sje@cup.hp.com>
733 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
735 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
738 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
739 code added to work around reload clobbering CONST insns.
741 2010-03-12 Jakub Jelinek <jakub@redhat.com>
743 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
744 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
745 (cselib_preserve_only_values): Remove retain argument, don't
746 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
747 * cselib.h (cselib_preserve_only_values): Remove retain argument.
748 * var-tracking.c (micro_operation): Move insn field before union.
749 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
750 (struct variable_tracking_info_def): Remove n_mos field, change
751 mos into a vector of micro_operations.
752 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
753 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
754 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
755 changing into a vector.
756 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
757 come before all other uops generated by add_stores.
758 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
760 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
761 a vector. Run just one pass over the bbs instead of separate counting
762 and computation phase.
763 (vt_finalize): Free VTI (bb)->mos vector instead of array.
766 * tree-inline.c (remap_decls): Put old_var rather than origin_var
767 into *nonlocalized_list vector.
768 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
769 even if origin is non-NULL.
770 (gen_variable_die): Likewise.
771 (process_scope_var): Don't change origin.
772 (gen_decl_die): Likewise.
773 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
774 before adding new edges instead of after it, fix moving over
777 2010-03-11 David S. Miller <davem@davemloft.net>
779 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
781 * configure: Rebuild.
783 2010-03-11 Martin Jambor <mjambor@suse.cz>
785 PR tree-optimization/43257
786 * tree.c (assign_assembler_name_if_neeeded): New function.
787 (free_lang_data_in_cgraph): Assembler name assignment moved to the
789 * tree.h (assign_assembler_name_if_neeeded): Declare.
790 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
791 the function if needed.
793 2010-03-11 Chris Demetriou <cgd@google.com>
795 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
796 include/stdint-gcc.h, and include/stdint.h world-readable.
798 2010-03-11 Richard Guenther <rguenther@suse.de>
800 PR tree-optimization/43255
801 * tree-vrp.c (process_assert_insertions_for): Do not insert
802 asserts for trivial conditions.
804 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
806 PR tree-optimization/43280
807 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
808 generation. Move calculation of size out of the if branch.
809 (find_bswap): Modify compare number generation.
811 2010-03-11 Richard Guenther <rguenther@suse.de>
814 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
815 (input_gimple_stmt): Fixup handled component types during
816 operand read. Also fix up decls in ADDR_EXPRs.
818 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
820 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
821 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
823 2010-03-10 Jan Hubicka <jh@suse.cz>
826 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
827 * varasm.c (get_variable_section): Don't do that here...
828 (make_decl_rtl): ... and here.
829 (do_assemble_alias): Produce decl RTL.
830 (assemble_alias): Likewise.
832 2010-03-10 Jakub Jelinek <jakub@redhat.com>
835 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
836 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
838 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
839 (based_loc_descr): Only express drap or vdrap regno based expressions
840 using DW_OP_fbreg when not optimizing.
841 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
842 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
843 REG_CFA_SET_VDRAP note.
845 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
847 PR tree-optimization/43236
848 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
849 error in calculation of base address in reverse iteration case.
850 (generate_builtin): Take number of latch executions if the statement
853 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
856 * tree-eh.c: Include pointer-set.h.
857 (lower_eh_dispatch): Filter out duplicate case labels and
858 remove the unneeded edge when the label is unused. Return
859 true when some edges are removed.
860 (execute_lower_eh_dispatch): When any lowering resulted in
861 removing an edge, also delete unreachable blocks.
863 2010-03-10 Jakub Jelinek <jakub@redhat.com>
866 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
867 UNSPEC_MACHOPIC_OFFSET.
869 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
872 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
873 (m68k_delegitimize_address): New function.
875 2010-03-09 Jakub Jelinek <jakub@redhat.com>
878 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
881 * var-tracking.c (adjust_sets): New function.
882 (count_with_sets, add_with_sets): Use it.
883 (get_adjusted_src): New inline function.
884 (add_stores): Use it.
887 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
888 call cselib_dummy_expand_value_rtx_cb instead of
889 cselib_expand_value_rtx_cb.
892 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
893 * config/i386/i386.c: Include debug.h and dwarf2out.h.
894 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
895 and .cfi_endproc around the pic thunks.
896 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
897 all queued unwind info register saves are saved before the call.
898 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
899 considered as sp-=4 for unwind info and the pop as sp+=4 which
900 also clobbers dest, but doesn't actually restore it.
903 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
906 2010-03-09 Jie Zhang <jie@codesourcery.com>
908 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
909 whitespaces in output template.
911 2010-03-09 Jie Zhang <jie@codesourcery.com>
913 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
916 2010-03-08 Jakub Jelinek <jakub@redhat.com>
918 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
919 builtins.exp in a separate job.
921 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
923 * graphite-sese-to-poly.c (add_param_constraints): Use
924 lower_bound_in_type and upper_bound_in_type.
926 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
928 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
929 instead of unsigned_type_node.
931 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
932 Reza Yazdani <reza.yazdani@amd.com>
935 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
936 on pointer type parameters.
938 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
942 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
943 handle conversions from pointer to integers.
944 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
945 induction variable, to be able to work with code generated by CLooG.
946 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
947 (build_poly_scop): Bail out if we cannot codegen a loop.
949 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
951 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
952 code generation with gloog_error.
954 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
956 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
957 Call fold_convert on all the returned values.
958 (expand_scalar_variables_expr): Pass to
959 expand_scalar_variables_ssa_name the type of the resulting expression.
961 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
963 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
964 ppl_min_for_le_pointset.
965 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
966 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
968 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
970 * graphite-dependences.c (map_into_dep_poly): Removed.
971 (dependence_polyhedron_1): Use combine_context_id_scat.
973 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
975 * graphite-poly.h (struct poly_scattering): Add layout documentation.
976 (struct poly_bb): Same.
977 (combine_context_id_scat): New.
979 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
982 * sese.c (name_defined_in_loop_p): Return false for default
985 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
987 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
988 and clean up the logic.
990 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
992 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
995 2010-03-08 Jakub Jelinek <jakub@redhat.com>
997 * var-tracking.c (remove_cselib_value_chains): Define only for
999 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
1000 delete_slot_part, emit_notes_for_differences_1): Don't call
1001 remove_cselib_value_chains here.
1002 (set_slot_part, emit_notes_for_differences_2): Don't call
1003 add_cselib_value_chains here.
1004 (preserved_values): New vector.
1005 (preserve_value): New function.
1006 (add_uses, add_stores, vt_add_function_parameters): Use it
1007 instead of cselib_preserve_value.
1008 (changed_values_stack): New vector.
1009 (check_changed_vars_0): New function.
1010 (check_changed_vars_1, check_changed_vars_2): Use it.
1011 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
1012 changed_values_stack VALUEs.
1013 (vt_emit_notes): For all preserved_values call
1014 add_cselib_value_chains. If ENABLE_CHECKING call
1015 remove_cselib_value_chains before verifying value_chains is empty.
1016 Initialize and free changed_values_stack.
1017 (vt_initialize): Initialize preserved_values.
1018 (vt_finalize): Free preserved_values.
1020 2010-03-08 Richard Guenther <rguenther@suse.de>
1022 PR tree-optimization/43269
1023 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
1026 2010-03-08 Martin Jambor <mjambor@suse.cz>
1028 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
1029 (ipa_is_param_called): Removed.
1030 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
1031 (ipa_print_node_params): Do not print the called flag.
1032 (ipa_write_node_info): Do not stream the called flag.
1033 (ipa_read_node_info): Likewise.
1035 2010-03-07 Jakub Jelinek <jakub@redhat.com>
1038 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
1039 * cselib.c (struct expand_value_data): Add dummy field.
1040 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
1042 (cselib_dummy_expand_value_rtx_cb): New function.
1043 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
1045 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
1046 * var-tracking.c: Include pointer-set.h.
1047 (variable): Change n_var_parts to char from int. Add
1048 cur_loc_changed and in_changed_variables fields.
1049 (variable_canonicalize): Remove.
1050 (shared_var_p): New inline function.
1051 (unshare_variable): Maintain cur_loc_changed and
1052 in_changed_variables fields. If var was in changed_variables,
1053 replace it there with new_var. Just copy cur_loc instead of
1054 resetting it to something else.
1055 (variable_union): Don't recompute cur_loc. Use shared_var_p.
1056 (dataflow_set_union): Don't call variable_canonicalize.
1057 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
1058 of their DEBUG_EXPR_TREE_DECLs.
1059 (canonicalize_loc_order_check): Verify that cur_loc is NULL
1060 and in_changed_variables and cur_loc_changed is false.
1061 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
1062 and cur_loc_changed. Don't update cur_loc here.
1063 (variable_merge_over_src): Don't call variable_canonicalize.
1064 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
1065 removing loc that is equal to cur_loc, clear cur_loc,
1066 set cur_loc_changed and ensure variable_was_changed is called.
1067 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
1068 compare pointers in cur_loc check, if it is equal to loc,
1069 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
1070 (variable_different_p): Remove compare_current_location argument,
1071 don't compare cur_loc.
1072 (dataflow_set_different_1): Adjust variable_different_p caller.
1073 (variable_was_changed): If dv had some var in changed_variables
1074 already, reset in_changed_variables flag for it and propagate
1075 cur_loc_changed over to the new variable. On empty var
1076 always set cur_loc_changed. Set in_changed_variables on whatever
1077 var is added to changed_variables.
1078 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
1079 Use shared_var_p. When removing loc that is equal to cur_loc,
1080 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
1081 end, don't set it to something else, just call variable_was_changed.
1082 (delete_slot_part): Use shared_var_p. When cur_loc equals to
1083 loc being removed, clear cur_loc and set cur_loc_changed.
1084 Set cur_loc_changed if all locations have been removed.
1085 (struct expand_loc_callback_data): New type.
1086 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
1087 allocated. Always create SUBREGs if simplify_subreg failed.
1088 Prefer to use cur_loc, when that fails and still in
1089 changed_variables (and seen first time) recompute it. Set
1090 cur_loc_changed of variables which had to change cur_loc and
1091 compute elcd->cur_loc_changed if any of the subexpressions used
1092 had to change cur_loc.
1093 (vt_expand_loc): Adjust to pass arguments in
1094 expand_loc_callback_data structure.
1095 (vt_expand_loc_dummy): New function.
1096 (emitted_notes): New variable.
1097 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
1098 that weren't used for any other decl in current
1099 emit_notes_for_changes call call vt_expand_loc_dummy to update
1100 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
1101 first loc_chain location if NULL before. Always use just
1102 cur_loc instead of first loc_chain location. When cur_loc_changed
1103 is false, when not --enable-checking=rtl just don't emit any note.
1104 When rtl checking, compute the note and assert it is the same
1105 as previous note. Clear cur_loc_changed and in_changed_variables
1106 at the end before removing from changed_variables.
1107 (check_changed_vars_3): New function.
1108 (emit_notes_for_changes): Traverse changed_vars to call
1109 check_changed_vars_3 on each changed var.
1110 (emit_notes_for_differences_1): Clear cur_loc_changed and
1111 in_changed_variables. Recompute cur_loc of new_var.
1112 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
1113 (vt_emit_notes): Initialize and destroy emitted_notes.
1115 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
1117 PR rtl-optimization/42220
1118 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
1119 Use verify_reg_tracked to determine if we should use OP_OUT rather
1121 (build_def_use): If we see an in-out operand for a register that we
1122 know nothing about, treat is an output if possible, fail the block if
1125 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
1128 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
1131 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
1134 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
1135 uses of relevant DEFs that are dead outside the loop too.
1137 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
1139 * var-tracking.c (dataflow_set_merge): Swap src and src2.
1141 2010-01-13 Jakub Jelinek <jakub@redhat.com>
1143 * var-tracking.c (values_to_unmark): New variable.
1144 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
1145 values_to_unmark vector. Moved body to...
1146 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
1147 instead queue it into values_to_unmark vector.
1148 (vt_find_locations): Free values_to_unmark vector.
1150 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
1152 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
1153 (site.exp): Export them when plugins are enabled.
1155 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
1158 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
1160 (chrec_fold_multiply): Same.
1162 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
1165 * c-decl.c (build_compound_literal): Return early if init is
1168 2010-03-04 Martin Jambor <mjambor@suse.cz>
1170 PR tree-optimization/43164
1171 PR tree-optimization/43191
1172 * tree-sra.c (type_consists_of_records_p): Reject records with
1173 zero-size bit-fields at the end.
1175 2010-03-04 Mike Stump <mikestump@comcast.net>
1177 * Makefile.in (TAGS): Remove *.y.
1179 2010-03-04 Richard Guenther <rguenther@suse.de>
1181 PR tree-optimization/40761
1182 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
1184 (my_rev_post_order_compute): New function.
1185 (init_pre): Call it.
1187 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
1190 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
1191 decrease the cost of an IV candidate when the cost is infinite.
1193 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1195 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
1196 Use '3DNow!' for the extension of that name, ensure normal space
1198 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
1200 2010-03-03 Jeff Law <law@redhat.com>
1202 * PR middle-end/32693
1203 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
1204 than gen_rtx_SUBREG.
1205 (extract_bit_field_1): Likewise.
1207 2010-03-03 Janis Johnson <janis187@us.ibm.com>
1209 * doc/sourcebuild.texi (Test directives): Document that arguments
1210 include-opts and exclude-opts are now optional for dg-skip-if,
1211 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
1213 2010-03-03 Jason Merrill <jason@redhat.com>
1216 * cgraph.h (varpool_node): Add extra_name field.
1217 * varpool.c (varpool_extra_name_alias): New.
1218 (varpool_assemble_decl): Emit extra name aliases.
1219 (varpool_mark_needed_node): Look past an extra name alias.
1220 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
1221 * lto-streamer-in.c (lto_input_tree): Read it.
1222 * lto-streamer-out.c (output_unreferenced_globals): Write it.
1224 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
1226 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
1227 (sparc*-*-solaris2*): ...this.
1229 2010-03-03 Jakub Jelinek <jakub@redhat.com>
1232 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
1233 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
1234 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
1235 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
1238 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
1239 fallthrough to default handling, just with want_address 0 instead of 2.
1240 For single element lists, add_AT_loc directly, otherwise create an
1241 artificial variable DIE and stick location list to it.
1244 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
1245 (VAL_EXPR_HAS_REVERSE): Define.
1246 (reverse_op): New function.
1247 (add_stores): For reversible operations add an extra MO_VAL_USE.
1249 2010-03-02 Jason Merrill <jason@redhat.com>
1251 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
1253 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
1255 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
1256 (sparc64-*-linux*): Likewise.
1257 (sparc64-*-solaris2*): Include assembler files before linker ones.
1258 (sparc-*-solaris2*): Simplify and reorder to match previous case.
1259 * config/sparc/gas.h: Delete.
1260 * config/sparc/sol2-64.h: Add copyright notice.
1261 * config/sparc/sol2-gas-bi.h: Likewise.
1262 * config/sparc/sol2-gld.h: Likewise.
1263 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
1264 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
1265 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
1266 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
1267 (sparc_elf_asm_named_section): Rename into...
1268 (sparc_solaris_elf_asm_named_section): ...this. Always define.
1270 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
1272 * config/alpha/alpha.c (override_options): Fix -mtune error message.
1274 2010-03-02 Jeff Law <law@redhat.com>
1277 * reload1.c (rtx_p, substitute_stack): Declare.
1278 (substitute): Record addresses of changed rtxs.
1279 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
1280 Restore the original rtx when complete.
1281 (reload): Free subsitute_stack when complete.
1283 2010-03-02 Janis Johnson <janis187@us.ibm.com>
1285 * doc/gccint.texi (menu): Add Testsuites as a chapter.
1286 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
1288 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
1289 LTO Testing, gcov Testing, profopt Testing, compat Testing,
1290 Torture Tests): Change from subsection to section.
1292 2010-03-02 Jakub Jelinek <jakub@redhat.com>
1293 Steven Bosscher <steven@gcc.gnu.org>
1295 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
1298 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
1301 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
1302 the assignment from the new induction variable to the assignment
1303 of the value from the original loop PHI function.
1305 2010-03-01 Janis Johnson <janis187@us.ibm.com>
1306 Daniel Jacobowitz <dan@codesourcery.com>
1308 * doc/sourcebuild.texi (Test directives): Clarify options to
1311 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1313 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
1314 Disable cfi directives unless GCC and gas agree on using read-only
1315 .eh_frame sections for 64-bit.
1316 * configure: Regenerate.
1318 2010-03-01 Richard Guenther <rguenther@suse.de>
1320 PR tree-optimization/43220
1321 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
1322 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
1324 2010-03-01 Richard Guenther <rguenther@suse.de>
1325 Martin Jambor <mjambor@suse.cz>
1328 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
1329 gimplified parameters.
1331 2010-03-01 Christian Bruel <christian.bruel@st.com>
1333 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
1335 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
1337 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
1339 2010-03-01 Richard Guenther <rguenther@suse.de>
1342 * expr.c (expand_assignment): Use the alias-oracle to tell
1343 if the rhs aliases the result decl.
1345 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1348 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
1349 to sol_gt_pch_get_address.
1350 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
1351 64-bit, SPARC and x86.
1352 (sol_gt_pch_get_address): New function.
1354 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
1356 * toplev.h (inform_n, error_n): Declare.
1357 * diagnostic.c (inform_n, error_n): New function.
1359 2010-03-01 Jakub Jelinek <jakub@redhat.com>
1361 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
1362 has no rtl yet when processing local_decls, queue it and recheck
1363 if deferred stack allocation hasn't assigned it rtl.
1365 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
1367 * config/sh/sh.c (unspec_bbr_uid): New.
1368 (gen_block_redirect): Use it instead of INSN_UID.
1369 (gen_far_branch): Likewise.
1371 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
1373 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
1374 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
1376 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1378 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
1379 (Warning Options): -Wno-conversion-null is valid for
1380 Objective-C++ as well.
1381 * doc/tm.texi (Named Address Spaces): Likewise.
1382 * doc/plugins.texi (Plugins): Replace TABs with spaces.
1383 * doc/tree-ssa.texi (Tree SSA): Likewise.
1385 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
1388 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
1389 by default. Don't set the default arch for
1390 i[34567]86-*-darwin*|x86_64-*-darwin*.
1392 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
1395 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
1396 default. Set the default 32bit/64bit archs with $with_arch
1397 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
1399 2010-02-27 Richard Guenther <rguenther@suse.de>
1401 PR tree-optimization/43186
1402 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
1403 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
1404 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
1405 unroller iterations.
1407 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
1409 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
1410 required and i[34567]86-*-* targets don't support 64bit ISA.
1412 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
1415 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
1418 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
1420 * config.gcc: Set the default arch at least to Prescott for
1421 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
1422 if SSE math is enabled.
1424 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
1426 * diagnostic.c (diagnostic_initialize): Update.
1427 (diagnostic_report_diagnostic): Test inhibit_notes_p for
1429 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
1430 (diagnostic_inhibit_notes): New.
1431 * toplev.c (process_options): inhibit notes with -fcompare-debug.
1433 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
1436 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
1437 * doc/standards.texi: Likewise.
1438 * doc/extend.texi: Likewise.
1439 * doc/trouble.texi: Likewise.
1440 * doc/cppopts.texi: Likewise.
1441 * doc/install.texi: Likewise.
1442 * c.opt (std=c90,std=gnu90): New options.
1443 * c-opts.c (c_common_handle_option): Handle them.
1445 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
1448 * c-decl.c (undeclared_variable): Use an informative note.
1450 2010-02-26 Richard Guenther <rguenther@suse.de>
1452 PR tree-optimization/43186
1453 * gimple.h (gimple_fold): Remove.
1454 * gimple.c (gimple_fold): Remove. Inline into single user ...
1455 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
1456 Try harder for conditions.
1458 2010-02-26 Jakub Jelinek <jakub@redhat.com>
1461 * function.c (used_types_insert): Don't skip through named pointer
1462 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
1463 and it is different from the main variant's type.
1465 2010-02-26 Nick Clifton <nickc@redhat.com>
1467 * config/rx/rx.md (sminsi3): Remove bogus alternative.
1469 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
1471 * config.gcc: Support --with-fpmath=sse for x86.
1473 * config/i386/ssemath.h: New.
1475 * doc/install.texi (--with-fpmath=sse): Documented.
1477 2010-02-26 Richard Guenther <rguenther@suse.de>
1479 PR tree-optimization/43188
1480 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
1481 vector types of over-aligned element type.
1483 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
1486 * config/i386/i386.c (expand_vec_perm_blend): Use correct
1487 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
1489 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
1491 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
1493 2010-02-26 Jakub Jelinek <jakub@redhat.com>
1495 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
1496 * var-tracking.c: Include diagnostic.h.
1497 (debug_dv): New function.
1498 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
1501 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
1502 (add_value_chain, add_value_chains, remove_value_chain,
1503 remove_value_chains): Handle DEBUG_EXPRs.
1504 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
1507 * regcprop.c (struct queued_debug_insn_change): New type.
1508 (struct value_data_entry): Add debug_insn_changes field.
1509 (struct value_data): Add n_debug_insn_changes field.
1510 (debug_insn_changes_pool): New variable.
1511 (free_debug_insn_changes, apply_debug_insn_changes,
1512 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
1513 (kill_value_one_regno): Call free_debug_insn_changes if needed.
1514 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
1516 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
1518 (copyprop_hardreg_forward_1): Don't call apply_change_group for
1519 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
1520 changes, call cprop_find_used_regs via note_stores.
1521 (copyprop_hardreg_forward): When copying vd from predecessor
1522 which has any queued DEBUG_INSN changes, make sure the pointers are
1523 cleared. At the end call df_analyze and then if there are any
1524 DEBUG_INSN changes queued at the end of some basic block for still
1525 live registers, apply them.
1526 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
1528 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
1530 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
1533 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
1535 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
1536 targets. Set the default with_cpu/with_arch from arch/cpu.
1537 Allow x86-64 and native for with_cpu/with_arch.
1539 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
1541 * ebitmap.c: Change calls to verify_popcount with calls to
1542 sbitmap_verify_popcount.
1543 (ebitmap_clear_bit): Fixed map->cacheindex test and
1544 map>cache update when bit clearing results in an empty
1547 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
1550 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
1551 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
1552 and support both V2DF and V2DI modes.
1553 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
1554 support both V2DF and V2DI modes.
1555 (general): Delete trailing whitespace from a few patterns.
1557 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1558 V2DF/V2DI interleave high/low builtins.
1560 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
1563 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
1564 interleave high/low functions.
1566 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
1568 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
1569 #pragma extern_prefix.
1571 2010-02-25 Jakub Jelinek <jakub@redhat.com>
1574 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
1575 BLKmode, assert op0 is a MEM and just adjust its mode.
1578 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
1579 if bitpos isn't multiple of mode's bitsize.
1581 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
1583 * c.opt (-ftemplate-depth=): New.
1584 (-ftemplate-depth-): Deprecate.
1585 * optc-gen.awk: Handle -ftemplate-depth=.
1586 * opth-gen.awk: Likewise.
1587 * c-opts.c (c_common_handle_option): Likewise.
1588 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
1590 2010-02-24 Jason Merrill <jason@redhat.com>
1592 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
1594 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1596 * cfg.c (alloc_aux_for_block): Remove inline.
1597 (alloc_aux_for_edge): Likewise.
1599 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1601 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
1603 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1605 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
1606 * config/i386/sol2-gas.h: New file.
1607 * config.gcc (i[34567]86-*-solaris2*): Use it.
1609 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
1612 * c-typeck.c (ep_convert_and_check): New.
1613 (build_conditional_expr): Use it.
1614 (build_binary_op): Likewise.
1616 2010-02-24 Jakub Jelinek <jakub@redhat.com>
1618 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
1621 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
1622 bounds even for -O+.
1623 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
1624 expr needs to have DECL_NAME set.
1626 2010-02-24 Nick Clifton <nickc@redhat.com>
1628 * config/mep/mep.c: Include gimple.h.
1629 (mep_function_uses_sp): Delete unused function.
1630 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
1631 parameters. Use unsigned integers to count args. Return a
1632 NULL_RTX instead of an error_mark_node. Toidy up formatting.
1634 2010-02-23 Jakub Jelinek <jakub@redhat.com>
1637 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
1638 greater or equal to nelt instead of 2 * nelt.
1639 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
1642 2010-02-23 Jason Merrill <jason@redhat.com>
1645 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
1646 in cfun->local_decls even if they have register types.
1649 * stor-layout.c (place_field): Don't warn about unnecessary
1650 DECL_PACKED if the type is packed.
1652 2010-02-23 Jakub Jelinek <jakub@redhat.com>
1655 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
1656 GOTOFF relocs, even when the base reg isn't pic pointer.
1658 2010-02-23 Michael Matz <matz@suse.de>
1661 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
1662 (expand_gimple_basic_block): Generate and use debug temps if there
1663 are debug uses left after the last real use of TERed ssa names.
1664 Unlink debug immediate uses when they are expanded.
1666 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1669 * config/i386/i386.c (override_options): Reorganise to provide
1670 better error messages.
1672 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1675 * graphite-scop-detection.c (create_single_exit_edge): Move
1676 the call to find_single_exit_edge to....
1677 (create_sese_edges): ...here. Don't handle multiple edges
1678 exiting the function.
1679 (build_graphite_scops): Don't handle multiple edges
1680 exiting the function.
1682 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1685 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
1686 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
1688 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1691 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
1693 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
1696 * c-typeck.c (convert_arguments): Print declaration location.
1697 * c-common.c (validate_nargs): Rename as
1698 builtin_function_validate_nargs.
1699 (check_builtin_function_arguments): Update.
1701 2010-02-22 Richard Guenther <rguenther@suse.de>
1704 * tree-inline.c (declare_return_variable): Use the type of
1705 the call stmt lhs if available.
1707 2010-02-22 Duncan Sands <baldrick@free.fr>
1709 * passes.c (register_pass): Always consider all pass lists when
1710 ref_pass_instance_number is zero.
1712 2010-02-22 Richard Guenther <rguenther@suse.de>
1714 PR tree-optimization/42749
1715 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
1716 parameter. Do arithmetic in the original type.
1717 (update_accumulator_with_ops): Likewise.
1718 (adjust_accumulator_values): Adjust.
1720 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1722 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
1723 (QI to BLKmode splitter): New splitter.
1725 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
1727 * config/i386/i386.c (initial_ix86_tune_features): Turn on
1728 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
1730 2010-02-22 Richard Guenther <rguenther@suse.de>
1732 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
1734 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
1736 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
1737 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
1738 ($(T)crti.o, $(T)crtn.o): Remove rules.
1740 2010-02-21 Tobias Burnus <burnus@net-b.de>
1743 * doc/invoke.texi (-fassociative-math): Document that this
1744 option is automatically enabled for Fortran.
1746 2010-02-20 David S. Miller <davem@davemloft.net>
1748 * configure.ac: Test if linker and assembler properly support
1749 GOTDATA_OP relocations.
1750 * configure: Rebuild.
1751 * config.in: Likewise.
1752 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
1753 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
1754 (movsi_high_pic): Likewise.
1755 (movdi_lo_sum_pic): Likewise.
1756 (movdi_high_pic): Likewise.
1757 (movsi_pic_gotdata_op): New pattern.
1758 (movdi_pic_gotdata_op): Likewise.
1759 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
1760 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
1762 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
1765 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
1766 attribute to ssemul.
1767 (xop_mulv2div2di3_high): Ditto.
1769 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
1772 * c.opt (Wconversion-null): New option.
1773 * doc/invoke.texi (Wconversion-null): Document.
1775 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
1777 * common.opt (Wlarger-than-): Add Undocumented.
1779 2010-02-19 Mike Stump <mikestump@comcast.net>
1781 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
1783 2010-02-19 Jason Merrill <jason@redhat.com>
1786 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
1787 * configure: Likewise.
1789 2010-02-20 Alan Modra <amodra@gmail.com>
1792 * cgraph.h (cgraph_make_decl_local): Declare.
1793 * cgraph.c (cgraph_make_decl_local): New function.
1794 (cgraph_make_node_local): Use it.
1795 * cgraphunit.c (cgraph_function_versioning): Likewise.
1796 * ipa.c (function_and_variable_visibility): Likewise.
1798 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1801 * except.c (sjlj_emit_function_enter): Don't call
1802 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
1804 * rtl.h (add_reg_br_prob_note): Remove prototype.
1806 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
1809 * c-common.c (conversion_warning): Remove widening conversions
1810 before checking the conversion of integers to reals.
1812 2010-02-19 Mike Stump <mikestump@comcast.net>
1815 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
1818 * cgraphunit.c (process_function_and_variable_attributes): Check
1819 DECL_PRESERVE_P instead of looking up attribute "used".
1820 * ipa-pure-const.c (check_decl): Likewise.
1821 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
1822 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
1823 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
1824 instead of attribute "used".
1825 * config/sol2-c.c (solaris_pragma_init): Likewise.
1826 (solaris_pragma_fini): Likewise.
1828 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1830 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
1831 Use XCNEW instead of xcalloc.
1832 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
1833 XNEW instead of xmalloc.
1834 (get_fields): Use XNEWVEC instead of xmalloc.
1837 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
1838 populate vars array.
1839 (create_new_general_access): For debug stmts just reset value.
1840 (get_stmt_accesses): For accesses within debug stmts just record them
1841 using add_access_to_acc_sites instead of preventing the peeling or
1842 counting them as accesses.
1845 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
1847 2010-02-19 Richard Guenther <rguenther@suse.de>
1849 PR tree-optimization/42916
1850 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
1853 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
1855 * configure.ac: Replace all uses of changequote in macro arguments
1856 with proper quoting.
1858 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1861 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
1863 2010-02-19 Richard Guenther <rguenther@suse.de>
1865 PR tree-optimization/42944
1866 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
1867 test for aliasing with errno.
1869 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1872 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
1873 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
1874 * dojump.c: Include output.h.
1875 (inv): New inline function.
1876 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
1877 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
1878 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
1879 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
1880 argument, pass it down to other calls.
1881 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
1882 add REG_BR_PROB note to the conditional jump.
1883 * cfgexpand.c (add_reg_br_prob_note): Removed.
1884 (expand_gimple_cond): Don't call it, add the probability
1885 as last argument to jumpif_1/jumpifnot_1.
1886 * Makefile.in (dojump.o): Depend on output.h.
1887 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
1889 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
1890 * stmt.c (do_jump_if_equal): Likewise.
1891 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
1892 * loop-unswitch.c (compare_and_jump_seq): Likewise.
1893 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
1895 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
1896 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
1897 jumpifnot_1 callers.
1898 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
1900 (store_expr): Adjust jumpifnot caller.
1901 (store_constructor): Adjust jumpif caller.
1904 * gimplify.c (gimple_boolify): For __builtin_expect call
1905 gimple_boolify also on its first argument.
1907 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
1909 * configure.ac (gnu-unique-object): Wrap regexps using [] in
1911 (__stack_chk_fail): Ditto. Remove quadrigraphs.
1912 * configure: Regenerated.
1914 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1916 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
1917 lang_hooks.types_compatible_p instead of comptypes.
1919 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
1921 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
1922 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
1923 if __prefer_thumb__ is defined.
1925 2010-02-18 Martin Jambor <mjambor@suse.cz>
1927 PR tree-optimization/43066
1928 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
1929 array with zero-sized element type.
1931 2010-02-18 Jakub Jelinek <jakub@redhat.com>
1933 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
1934 rtx, allocate struct var_loc_node here and return it to the
1935 caller, and only if it is actually needed.
1936 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
1937 move it earlier and return immediately if it returns NULL.
1939 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
1941 * config/sparc/gas.h: New file. Restore
1942 TARGET_ASM_NAMED_SECTION to its ELF default.
1943 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
1945 * config/sparc/sparc.c (sparc_elf_asm_named_section):
1946 Likewise. Add ATTRIBUTE_UNUSED to prototype.
1947 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
1948 after sparc/sysv4.h.
1950 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
1952 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
1954 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
1956 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
1957 patterns from predicated pattern.
1959 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
1962 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
1963 for insn mnemonic suffix.
1965 2010-02-17 Richard Guenther <rguenther@suse.de>
1967 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
1970 2010-02-17 Jakub Jelinek <jakub@redhat.com>
1973 * caller-save.c (save_call_clobbered_regs): If BB ends with
1974 a DEBUG_INSN, move any notes in between last real insn and the last
1975 DEBUG_INSN after the last DEBUG_INSN.
1977 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
1979 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
1980 Fix return type. Fix argument type. Explain meaning of return value.
1982 2010-02-16 Richard Guenther <rguenther@suse.de>
1984 PR tree-optimization/41043
1985 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
1986 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
1988 (vrp_visit_phi_node): ... but only for loop PHI nodes.
1990 2010-02-16 Ira Rosen <irar@il.ibm.com>
1992 PR tree-optimization/43074
1993 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
1994 * tree-vect-loop.c (vect_analyze_loop_operations): Add
1995 vectorizable cycles in hybrid SLP check.
1996 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
1998 2010-02-16 Richard Guenther <rguenther@suse.de>
2000 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
2001 (true_dependence): If memrefs_conflict_p computes must-alias
2002 trust it. Move TBAA check after offset-based disambiguation.
2003 (canon_true_dependence): Likewise.
2005 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
2007 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
2008 * doc/invoke.texi: Document it.
2009 * var-tracking.c: Include toplev.h and params.h.
2010 (vt_find_locations): Return bool indicating success. Compute
2011 hash sizes unconditionally. Check new parameter, report.
2012 (variable_tracking_main_1): Check vt_find_locations results and
2013 retry. Renamed from...
2014 (variable_tracking_main): ... this. New wrapper to preserve
2015 flag_var_tracking_assignments.
2016 * Makefile.in (var-tracking.o): Adjust dependencies.
2018 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
2019 Jakub Jelinek <jakub@redhat.com>
2022 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
2023 if weak_import attribute is present.
2024 * config/darwin.c (machopic_select_section): Likewise.
2026 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
2028 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
2029 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
2030 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
2031 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
2033 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
2035 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2038 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
2039 Rewrite text to refer to the names.
2041 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
2043 * config/i386/i386-builtin-types.def
2044 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
2045 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
2046 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
2047 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
2048 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
2049 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
2050 IX86_BUILTIN_VPERMIL2PS256.
2051 (MULTI_ARG_4_DF2_DI_I): Defined.
2052 (MULTI_ARG_4_DF2_DI_I1): Defined.
2053 (MULTI_ARG_4_SF2_SI_I): Defined.
2054 (MULTI_ARG_4_SF2_SI_I1): Defined.
2055 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
2056 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
2057 __builtin_ia32_vpermil2ps256.
2058 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
2059 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
2060 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
2061 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
2062 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
2063 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
2064 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
2065 CODE_FOR_xop_vpermil2v8sf3.
2066 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
2067 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
2068 * config/i386/xopintrin.h (_mm_permute2_pd): New.
2069 (_mm256_permute2_pd): New.
2070 (_mm_permute2_ps): New.
2071 (_mm256_permute2_ps): New.
2073 2010-02-15 Nick Clifton <nickc@redhat.com>
2075 * config/h8300/h8300.c: (h8300_push_pop): Use bool type for
2076 boolean parameters. Use emit_jump_insn when emitting a pop
2077 instruction containing a return insn.
2078 (push): Use 'true' rather than '1' as second parameter to F.
2079 (h8300_expand_prologue): Likewise.
2080 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
2081 (h8300_expand_epilogue): Likewise.
2083 2010-02-15 Richard Guenther <rguenther@suse.de>
2086 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
2089 2010-02-15 Nick Clifton <nickc@redhat.com>
2091 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
2094 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
2096 * intl.c (fake_ngettext): New function.
2097 * intl.h (fake_ngettext): Declare.
2098 (ngettext): Define macro.
2099 * collect2.c (notice_translated): New function.
2100 (main): Use notice_translated and ngettext.
2101 * collect2.h (notice_translated): Declare.
2103 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
2105 * reorg.c (delete_computation): Comment fixes.
2106 * caller-save.c (setup_save_areas): Idem.
2107 * sel-sched-dump.c (dump_lv_set): Idem.
2110 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2112 * config/s390/s390.c (s390_sched_init): New function.
2113 (TARGET_SCHED_INIT): Target hook defined.
2115 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
2116 Jack Howarth <howarth@bromo.med.uc.edu>
2117 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2120 Partial revert of unintended change in fix for PR41605.
2121 * config/darwin.h: Fix typo.
2122 * config/darwin9.h: Same.
2124 2010-02-11 Jakub Jelinek <jakub@redhat.com>
2126 * c-pch.c (pch_init): Clear v.
2128 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
2131 * graphite-scop-detection.c (graphite_can_represent_scev): Call
2132 graphite_can_represent_init for MULT_EXPR.
2134 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
2138 * graphite-sese-to-poly.c (remove_phi): New.
2139 (translate_scalar_reduction_to_array): Call remove_phi.
2141 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
2144 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
2145 * graphite-clast-to-gimple.h (gloog): Update declaration.
2146 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
2147 * graphite-poly.h (struct poly_bb): Add missing comments.
2148 (struct scop): Add poly_scop_p field.
2150 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
2151 * graphite.c (graphite_transform_loops): Build the polyhedral
2152 representation for each scop before code generation.
2153 * sese.c (rename_variables_in_operand): Removed.
2154 (rename_variables_in_expr): Return the renamed expression.
2155 (rename_sese_parameters): New.
2156 * sese.h (rename_sese_parameters): Declared.
2158 2010-02-11 Richard Guenther <rguenther@suse.de>
2160 PR tree-optimization/42998
2161 * tree-ssa-pre.c (create_expression_by_pieces): Treat
2162 POINTER_PLUS_EXPR properly.
2164 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
2165 Changpeng Fang <changpeng.fang@amd.com>
2168 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
2169 the cost of an IV candidate when the IV is used in a test against zero.
2171 * gcc.dg/tree-ssa/ivopts-3.c: New.
2173 2010-02-11 Richard Guenther <rguenther@suse.de>
2176 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
2177 pointer-vs-decl case by swapping refs. Handle some cases
2178 of pointer-vs-decl disambiguations more conservatively.
2179 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
2180 to false after expanding.
2182 2010-02-11 Richard Guenther <rguenther@suse.de>
2185 * gcc.c (process_command): Handle LTO file@offset case more
2188 2010-02-11 Jakub Jelinek <jakub@redhat.com>
2190 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
2191 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
2193 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
2195 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
2196 if MEM's mode size isn't DWARF2_ADDR_SIZE.
2197 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
2198 Optimize eq/ne comparisons when both arguments are known to be
2200 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
2201 Don't mask operands unnecessarily if they are known to be already
2204 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
2206 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
2209 2010-02-10 Richard Guenther <rguenther@suse.de>
2211 PR tree-optimization/43017
2212 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
2213 for wrapping signed arithmetic.
2215 2010-02-10 Jakub Jelinek <jakub@redhat.com>
2218 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
2219 if no debug info should be emitted for it.
2221 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
2223 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
2224 note when flag_exceptions is set.
2226 2010-02-10 Duncan Sands <baldrick@free.fr>
2228 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
2230 2010-02-10 Richard Guenther <rguenther@suse.de>
2233 * tree.c (get_unwidened): Handle constants.
2234 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
2236 2010-02-10 Martin Jambor <mjambor@suse.cz>
2239 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
2240 check for variable argument counts independently.
2242 2010-02-10 Christian Bruel <christian.bruel@st.com>
2245 * config/sh/sh.c (find_barrier): Increase length for non delayed
2246 conditional branches.
2248 2010-02-10 Christian Bruel <christian.bruel@st.com>
2250 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
2252 2010-02-10 Jakub Jelinek <jakub@redhat.com>
2254 * builtins.c (set_builtin_user_assembler_name): Also handle
2255 ffs if int is smaller than word.
2257 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
2260 * ira-conflicts.c (get_dup): Remove.
2261 (process_reg_shuffles): Add new parameter. Use it as an
2262 additional guard for copy generation.
2263 (add_insn_allocno_copies): Rewrite.
2265 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
2267 * common.opt (fsched2-use-traces): Preserved for backward
2269 * doc/invoke.texi: Remove the documentation about option
2270 -fsched2-use-traces.
2271 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
2272 flag_sched2_use_traces.
2273 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
2274 the backward compatibility flag section.
2276 2010-02-09 Richard Guenther <rguenther@suse.de>
2278 PR tree-optimization/43008
2279 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
2280 make HEAP variables initialized from global memory if they
2281 are not known builtin functions.
2282 (find_func_aliases): Adjust.
2284 2010-02-09 Richard Guenther <rguenther@suse.de>
2286 PR tree-optimization/43000
2287 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
2288 arithmetic manually.
2290 2010-02-08 Jakub Jelinek <jakub@redhat.com>
2292 PR tree-optimization/42931
2293 * tree-loop-linear.c (try_interchange_loops): Don't call
2294 double_int_mul if estimated_loop_iterations failed.
2296 2010-02-08 Martin Jambor <mjambor@suse.cz>
2299 * tree-sra.c (build_accesses_from_assign): Do not mark in
2300 should_scalarize_away_bitmap if stmt has volatile ops.
2301 (sra_modify_assign): Do not process assigns piecemeal if if stmt
2304 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
2306 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
2308 2010-02-07 Adam Nemet <adambnmet@gmail.com>
2310 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
2313 2010-02-07 Andrew Pinski <pinskia@gmail.com>
2316 * df-core.c (df_finish_pass): Change type of saved_flags to int.
2318 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
2321 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
2322 to unknown_dependence.
2323 (graphite_legal_transform_dr): Handle the unknown_dependence.
2324 (graphite_carried_dependence_level_k): Same.
2326 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
2328 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
2330 2010-02-07 Richard Guenther <rguenther@suse.de>
2333 * expr.c (get_inner_reference): Always initialize *pbitsize.
2335 2010-02-07 Richard Guenther <rguenther@suse.de>
2338 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
2339 new ARRAY_REFs on variable size element or minimal index arrays.
2341 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
2342 gimple_fold_indirect_ref.
2344 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
2347 * arm.c (arm_override_options): Just return if the user has specified
2348 an invalid fpu name.
2350 2010-02-03 Jason Merrill <jason@redhat.com>
2353 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
2354 i386_pe_maybe_record_exported_symbol.
2356 2010-02-05 Steve Ellcey <sje@cup.hp.com>
2359 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
2360 (pa_delegitimize_address): New function.
2362 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
2364 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
2365 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
2367 2010-02-05 Richard Guenther <rguenther@suse.de>
2370 * lto-streamer-in.c (get_resolution): Deal with references
2371 to undefined functions.
2373 2010-02-05 Richard Guenther <rguenther@suse.de>
2375 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
2376 (fold_const_aggregate_ref): Likewise.
2377 (ccp_fold_stmt): Substitute loads.
2378 (maybe_fold_reference): Verify types before substituting.
2380 (fold_gimple_assign): Unshare properly.
2381 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
2383 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
2385 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
2386 for rs6000_gen_cell_microcode.
2388 2010-02-04 Richard Guenther <rguenther@suse.de>
2390 PR rtl-optimization/42952
2391 * dse.c (const_or_frame_p): Remove MEM handling.
2393 2010-02-04 Nick Clifton <nickc@redhat.com>
2395 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
2396 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
2397 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
2398 (mn10300_asm_output_mi_thunk): New function.
2399 (mn10300_can_output_mu_thunk): New function.
2400 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
2401 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
2402 (FUNCTION_ARG): Delete incorrect comment.
2404 2010-02-03 Jason Merrill <jason@redhat.com>
2407 * fold-const.c (operand_equal_p): Handle erroneous types.
2409 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2411 * config/h8300/h8300.md (can_delay): Fix attibute condition.
2413 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
2415 PR rtl-optimization/42941
2416 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
2419 2010-02-03 Jason Merrill <jason@redhat.com>
2422 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
2424 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
2427 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
2428 (cselib_reset_table): Renamed from...
2429 (cselib_reset_table_with_next_value): ... this.
2430 (cselib_get_next_uid): Renamed from...
2431 (cselib_get_next_unknown_value): ... this.
2432 * cselib.c (next_uid): Renamed from...
2433 (next_unknown_value): ... this.
2434 (cselib_clear_table): Adjust.
2435 (cselib_reset_table): Adjust. Renamed from...
2436 (cselib_reset_table_with_next_value): ... this.
2437 (cselib_get_next_uid): Adjust. Renamed from...
2438 (cselib_get_next_unknown_value): ... this.
2439 (get_value_hash): Use hash.
2440 (cselib_hash_rtx): Likewise.
2441 (new_cselib_val): Adjust. Set and dump uid.
2442 (cselib_lookup_mem): Pass next_uid as hash.
2443 (cselib_subst_to_values): Likewise.
2444 (cselib_log_lookup): Dump uid.
2445 (cselib_lookup): Pass next_uid as hash. Adjust.
2446 (cselib_process_insn): Adjust.
2447 (cselib_init): Initialize next_uid.
2448 (cselib_finish): Adjust.
2449 (dump_cselib_table): Likewise.
2450 * dse.c (canon_address): Dump value uid.
2451 * print-rtl.c (print_rtx): Print value uid.
2452 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
2454 (dv_uid): New function, sort of renamed from...
2455 (dv_htab_hash): ... this, reimplemented in terms of it and...
2456 (dv_uid2hash): ... this. New.
2457 (variable_htab_eq): Drop excess assertions.
2458 (tie_break_pointers): Removed.
2459 (canon_value_cmp): Compare uids.
2460 (variable_post_merge_New_vals): Print uids.
2461 (vt_add_function_parameters): Adjust.
2462 (vt_initialize): Reset table. Adjust.
2464 2010-02-03 Richard Guenther <rguenther@suse.de>
2466 PR tree-optimization/42944
2467 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
2468 (call_may_clobber_ref_p_1): Likewise. Properly handle
2469 malloc and calloc clobbering errno.
2471 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
2473 * doc/invoke.texi: Fix name of sched1 dump.
2475 * opts.c (decode_options): Set flag_tree_switch_conversion
2476 only conditionally on optimize >= 2.
2478 * gcse.c: Assorted comment fixes in pass description.
2480 2010-02-03 Anthony Green <green@moxielogic.com>
2482 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
2483 nop padding in order to maintain alignment of storage location of
2484 target function address.
2485 (moxie_trampoline_init): Store target function address at newly
2487 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
2489 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
2491 2010-02-03 Richard Guenther <rguenther@suse.de>
2494 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
2496 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2498 * config.gcc: Reenable check for obsolete targets.
2499 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
2500 mips-sgi-irix6.[0-4]*.
2502 2010-02-02 Nick Clifton <nickc@redhat.com>
2504 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
2505 constant size of 4 as being the same as 0.
2506 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
2507 can take values in the range 0..4.
2509 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
2512 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
2513 as _darwin10_Unwind_FindEnclosingFunction().
2514 * libgcc-libsystem.ver: New.
2516 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
2519 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
2520 implicitly set registers.
2522 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
2524 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
2525 (arm_override_options): Allow automatic selection of the thread
2526 pointer register if thumb2.
2527 (legitimize_pic_address): Improve code sequences for Thumb2.
2528 (arm_call_tls_get_addr): Likewise.
2529 (legitimize_tls_address): Likewise.
2530 * arm.md (pic_load_addr_arm): Delete. Replace with ...
2531 (pic_load_addr_32bit): ... this. New named pattern.
2532 * thumb2.md (pic_load_addr_thumb2): Delete.
2533 (pic_load_dot_plus_four): Delete.
2534 (tls_load_dot_plus_four): New named pattern.
2536 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2539 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
2540 Document fix for TLS bug.
2542 2010-01-31 Richard Guenther <rguenther@suse.de>
2544 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
2545 conservatively correct.
2547 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2551 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2553 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
2555 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2557 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
2559 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
2561 * config.gcc: Adjust order of makefile fragments for mingw targets.
2563 2010-01-31 Richard Guenther <rguenther@suse.de>
2566 * gimplify.c (gimplify_init_constructor): For volatile LHS
2567 initialize a temporary.
2569 2010-01-31 Matthias Klose <doko@ubuntu.com>
2571 * configure.ac: Fix __stack_chk_fail check for cross builds configured
2573 * configure: Regenerate.
2575 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
2577 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
2578 the same alias set and their sizes different constantness.
2579 (aliasing_component_refs_p): Revert 2009-10-24 change.
2581 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2583 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
2586 2010-01-29 Richard Guenther <rguenther@suse.de>
2588 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
2589 Assert we successfully updated the call.
2591 2010-01-29 Jakub Jelinek <jakub@redhat.com>
2593 PR rtl-optimization/42889
2594 * df.h (df_set_bb_dirty_nonlr): New prototype.
2595 * df-core.c (df_set_bb_dirty_nonlr): New function.
2596 * df-scan.c (df_insn_rescan): Call it instead of
2597 df_set_bb_dirty for DEBUG_INSNs.
2599 2010-01-29 Richard Guenther <rguenther@suse.de>
2602 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
2603 quadratic behavior in most cases.
2605 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
2608 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
2609 in the call to gen_x86_movsicc_0_m1.
2611 2010-01-28 Richard Guenther <rguenther@suse.de>
2613 PR tree-optimization/42871
2614 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
2616 2010-01-28 Richard Guenther <rguenther@suse.de>
2618 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
2619 into call arguments.
2621 2010-01-28 Richard Guenther <rguenther@suse.de>
2624 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
2625 the forwarder if the destination is an EH landing pad.
2627 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
2629 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
2630 block list passed to gimple_duplicate_sese_tail.
2631 (parallelize_loops): Avoid parallelization when the function
2633 Avoid parallelization when the preheader is IRREDUCIBLE.
2634 Try to optimize when estimated_loop_iterations_int is unresolved.
2635 Add the loop's location to the dump file.
2636 * tree-cfg.c (add_phi_args_after_redirect): Remove.
2637 (gimple_duplicate_sese_tail): Remove the check for the latch.
2638 Redirect nexits to the exit block.
2639 Remove handling of the incoming edges to the latch.
2640 Redirect the backedge from the copied latch to the exit bb.
2642 2010-01-28 Michael Matz <matz@suse.de>
2645 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
2646 Wrap force_reg into a sequence, emit it before user.
2648 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
2650 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
2652 (arm_legacy_rev): Likewise.
2653 (thumb_legacy_rev): Likewise.
2655 2010-01-27 Jakub Jelinek <jakub@redhat.com>
2657 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
2658 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
2659 on MEM's address failed, try avoid_constant_pool_reference and
2660 recurse if it returned something different.
2661 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
2662 address, try avoid_constant_pool_reference and recurse if it
2663 returned something different.
2664 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
2665 address and avoid_constant_pool_reference returned something
2666 different, don't set have_address.
2668 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
2671 * var-tracking.c (val_store): Add modified argument, obey it.
2673 (count_uses): Move down logging of main.
2674 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
2675 don't need resolution.
2676 (emit_notes_in_bb): Likewise.
2678 2010-01-27 Richard Guenther <rguenther@suse.de>
2681 * tree-inline.c (remap_decl): Delay remapping of SSA name
2682 default definitions until we need them.
2684 2010-01-27 Jakub Jelinek <jakub@redhat.com>
2686 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
2687 (rs6000_delegitimize_address): New function.
2689 * config/s390/s390.c (s390_delegitimize_address): Call
2690 delegitimize_mem_from_attrs.
2693 * tree-inline.c (cannot_copy_type_1): Removed.
2694 (copy_forbidden): Don't forbid copying of functions containing
2695 records/unions with variable length fields.
2697 2010-01-27 Christian Bruel <christian.bruel@st.com>
2701 * config/sh/sh.c (find_barrier): Increase length for non delayed
2702 conditional branches.
2704 2010-01-27 Matthias Klose <doko@ubuntu.com>
2706 * configure.ac (gnu-unique-object): Fix ldd version check.
2707 * configure: Regenerate.
2709 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2711 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
2713 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
2714 Test for HAVE_GNU_AS value.
2716 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2718 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
2719 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
2720 INT64_TYPE): Define.
2721 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
2722 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2723 INT_LEAST64_TYPE): Define.
2724 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
2725 UINT_LEAST64_TYPE): Define.
2726 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
2727 INT_FAST64_TYPE): Define.
2728 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2729 UINT_FAST64_TYPE): Define.
2730 (INTMAX_TYPE, UINTMAX_TYPE): Define.
2731 (INTPTR_TYPE, UINTPTR_TYPE): Define.
2732 (SIG_ATOMIC_TYPE): Define.
2734 2010-01-26 Richard Guenther <rguenther@suse.de>
2736 * df-scan.c (df_scan_set_bb_info): Remove assert.
2737 (df_insn_rescan_debug_internal): Merge asserts.
2738 (df_install_ref): Likewise.
2739 (df_mark_reg): Use bitmap_set_range.
2740 (df_hard_reg_used_p): Remove assert.
2741 (df_hard_reg_used_count): Likewise.
2743 2010-01-26 Richard Guenther <rguenther@suse.de>
2745 PR rtl-optimization/42685
2746 * web.c (web_main): Ignore DEBUG_INSNs.
2748 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
2750 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
2752 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
2753 Fix types of fndecl and arglist parameters.
2755 2010-01-26 Richard Guenther <rguenther@suse.de>
2758 * tree-eh.c (unsplit_eh): Skip debug insns.
2760 2010-01-26 Richard Guenther <rguenther@suse.de>
2762 PR tree-optimization/42250
2763 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
2765 2010-01-26 Jakub Jelinek <jakub@redhat.com>
2768 * omp-low.c (expand_omp_sections): Only use single_pred if
2769 l2_bb is single_pred_p.
2771 2010-01-25 Christian Bruel <christian.bruel@st.com>
2774 * config/sh/sh.c (find_barrier): Increase length for non delayed
2775 conditional branches.
2776 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
2778 2010-01-24 David S. Miller <davem@davemloft.net>
2780 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
2781 define if not using GAS.
2782 * config/sparc/sparc.c (sparc_elf_asm_named_section):
2783 Likewise. Delete SECTION_MERGE code, which is only applicable
2786 2010-01-24 Mark Mitchell <mark@codesourcery.com>
2789 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
2790 mangling of va_list in system headers.
2792 2010-01-23 Toon Moene <toon@moene.org>
2794 * tree-predcom.c (combine_chains): Return NULL, not false.
2796 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
2798 * tree-loop-distribution.c (distribute_loop): Fix declaration and
2799 initialization of variable res to agree with return type.
2801 2010-01-22 Steve Ellcey <sje@cup.hp.com>
2803 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
2804 * tree-sra.c: Add include of expr.h.
2806 2010-01-22 Jakub Jelinek <jakub@redhat.com>
2808 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
2809 insert the debug stmt on the single non-EH edge from the stmt.
2811 2010-01-22 Richard Henderson <rth@redhat.com>
2814 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
2815 the RHS until after generate_subtree_copies has insertted its
2816 code before the current statement.
2818 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
2820 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
2822 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
2824 2010-01-21 Martin Jambor <mjambor@suse.cz>
2826 PR tree-optimization/42585
2827 * tree-sra.c (struct access): New field grp_total_scalarization.
2828 (dump_access): Dump the new field.
2829 (should_scalarize_away_bitmap): New variable.
2830 (cannot_scalarize_away_bitmap): Likewise.
2831 (sra_initialize): Allocate new bitmaps.
2832 (sra_deinitialize): Free new bitmaps.
2833 (create_access_1): New function.
2834 (create_access): Parts moved to create_access_1.
2835 (type_consists_of_records_p): New function.
2836 (completely_scalarize_record): Likewise.
2837 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
2838 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
2839 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
2841 (analyze_all_variable_accesses): Completely scalarize small eligible
2844 2010-01-21 Martin Jambor <mjambor@suse.cz>
2846 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
2848 2010-01-21 Andrew Haley <aph@redhat.com>
2850 * gcc.c (process_command): Move lang_specific_driver before
2851 setting cc_libexec_prefix.
2853 2010-01-21 Richard Guenther <rguenther@suse.de>
2856 * fold-const.c (negate_expr_p): Pretend only negative
2857 real constants are easily negatable.
2859 2010-01-20 Janis Johnson <janis187@us.ibm.com>
2860 Jason Merrill <jason@redhat.com>
2862 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
2863 (TYPE_TRANSPARENT_AGGR): this, for union and record.
2864 * calls.c (initialize argument_information): Handle it.
2865 * c-common.c (handle_transparent_union_attribute): Use new name.
2866 * c-decl.c (finish_struct): Ditto.
2867 * c-typeck.c (type_lists_compatible_p): Ditto.
2868 (convert_for_assignment): Use new name and also handle record.
2869 * function.c (aggregate_value_p): Handle it.
2870 (pass_by_reference): Ditto.
2871 (assign_parm_data_types): Ditto.
2872 * print-tree.c (print_node): Ditto.
2873 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
2874 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
2875 * tree.c (first_field): New fn.
2877 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2880 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
2881 even when linking statically, for now.
2883 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
2886 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
2887 without a cselib val.
2888 (count_uses): Accept MO_VAL_SET with no val on stores.
2889 (add_stores): Likewise.
2891 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2893 * var-tracking.c (check_value_val): Add a compile time assertion.
2894 (dv_is_decl_p): Simplify.
2895 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
2896 gcc_assert if ENABLE_CHECKING.
2898 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
2901 * var-tracking.c: Include tree-flow.h.
2902 (mem_dies_at_call): New.
2903 (dataflow_set_preserve_mem_locs): Use it.
2904 (dataflow_set_remove_mem_locs): Likewise.
2905 (dump_var): Renamed from dump_variable. Adjust all callers.
2906 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
2907 * Makefile.in (var-tracking.o): Adjust deps.
2909 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
2911 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
2913 2010-01-20 Richard Guenther <rguenther@suse.de>
2915 PR tree-optimization/42717
2916 * tree-ssa-dce.c (get_live_post_dom): Remove.
2917 (forward_edge_to_pdom): Take an arbitrary edge to copy
2918 degenerate PHI args from.
2919 (remove_dead_stmt): Use the first post-dominator even if it
2920 does not contain live statements as redirection destination.
2922 2010-01-20 Richard Guenther <rguenther@suse.de>
2924 * tree-inline.c (estimate_num_insns): Handle EH builtins.
2926 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2928 * sel-sched.c (create_speculation_check): Remove set but not used
2930 (try_transformation_cache): Remove set but not used variable ds.
2931 (calculate_privileged_insns): Remove set but not used variables
2932 cur_insn and min_spec_insn.
2933 (find_best_expr): Remove set but not used variable avail_n.
2934 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
2936 * cgraphunit.c (assemble_thunk): Remove set but not used variable
2938 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
2939 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
2942 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
2945 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
2946 cpu types. Add support for *-sse3 cpu types.
2947 (x86_64-*-*): Ditto.
2949 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2952 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
2953 argument, call initializer_constant_valid_p_1 instead of
2954 initializer_constant_valid_p, pass CACHE to it, return NULL
2955 immediately if first call returns NULL.
2956 (initializer_constant_valid_p_1): New function.
2957 (initializer_constant_valid_p): Use it.
2959 2010-01-20 Thomas Quinot <quinot@adacore.com>
2961 * tree.def (PLACEHOLDER_EXPR): Fix comment.
2963 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2965 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
2966 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
2967 (loc_list_from_tree): Don't handle unsigned division. Handle
2968 signed modulo using DW_OP_{over,over,div,mul,minus}.
2969 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
2970 modulo instead of signed.
2972 2010-01-20 DJ Delorie <dj@redhat.com>
2974 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
2976 (h8300_emit_stack_adjustment): Propogate it.
2978 (h8300_expand_prologue): Likewise.
2979 (h8300_expand_epilogue): Likewise.
2981 2010-01-19 Michael Matz <matz@suse.de>
2983 PR tree-optimization/41783
2984 * tree-data-ref.c (toplevel): Include flags.h.
2985 (dump_data_dependence_relation): Also dump the inputs if the
2986 result will be unknown.
2987 (split_constant_offset_1): Look through some conversions.
2988 * tree-predcom.c (determine_roots_comp): Restart a new chain if
2989 the offset from last element is too large.
2990 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
2991 (reassociate_to_the_same_stmt): Handle vector registers.
2992 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
2994 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
2995 wide_prolog_niters argument, emit widening instructions.
2996 (vect_do_peeling_for_alignment): Adjust caller, use widened
2997 variant of the iteration cound.
2998 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
3000 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3003 * config/arm/neon-testgen.m (emit_automatics): New parameter
3004 features. Adjust for Fixed_return_reg feature.
3005 (test_intrinsic): Call emit_automatics with new feature.
3006 * config/arm/neon.ml: Update copyright years.
3007 (features): New Fixed_return_reg feature.
3008 (ops): Update feature for Vget_low.
3010 2010-01-19 Jakub Jelinek <jakub@redhat.com>
3012 PR tree-optimization/42719
3013 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
3017 * fwprop.c (all_uses_available_at): Return false if def_set dest
3018 is a REG that is used in def_insn.
3020 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
3022 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
3024 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
3027 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
3029 * target.h (struct gcc_target) <secondary_reload>: Change type
3030 of last argument to secondary_reload_info *.
3032 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
3035 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
3036 memory references with unaligned offsets. Remove CQImode handling.
3037 (unaligned_memory_operand): Return 1 for memory references with
3038 unaligned offsets. Remove CQImode handling.
3040 2010-01-18 Richard Guenther <rguenther@suse.de>
3043 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
3046 2010-01-18 Richard Guenther <rguenther@suse.de>
3048 PR tree-optimization/42781
3049 * tree-ssa-structalias.c (find_what_var_points_to): Skip
3050 restrict processing only if the original variable was artificial.
3052 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
3054 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
3055 find number of popped argument bytes.
3057 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
3058 Fix the text that describes the return value for invalid insns.
3060 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
3062 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
3063 Clarify what 'cost of the -dependence' is. Fix quoting.
3065 * toplev.c (default_get_pch_validity): Rename argument to "sz".
3066 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
3068 2010-01-17 Jakub Jelinek <jakub@redhat.com>
3070 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3071 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
3073 2010-01-17 Richard Guenther <rguenther@suse.de>
3076 * function.c (split_complex_args): Take a VEC to modify.
3077 (assign_parms_augmented_arg_list): Build a VEC instead of
3078 a chain of PARM_DECLs.
3079 (assign_parms_unsplit_complex): Take a VEC of arguments.
3080 Do not fixup unmodified parms.
3081 (assign_parms): Deal with the VEC.
3082 (gimplify_parameters): Likewise.
3084 2010-01-17 Richard Guenther <rguenther@suse.de>
3086 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
3087 node existence check.
3088 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
3089 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
3090 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
3091 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
3092 (gimple_execute_on_growing_pred): Likewise.
3094 2010-01-17 Richard Guenther <rguenther@suse.de>
3096 PR tree-optimization/42773
3097 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
3098 (compute_antic_aux): Likewise.
3099 (compute_partial_antic_aux): Likewise.
3101 2010-01-17 Jie Zhang <jie.zhang@analog.com>
3104 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
3107 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
3109 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
3112 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
3113 Fix markup for strict argument.
3115 (TARGET_SCHED_REORDER2): Fix argument types.
3117 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
3118 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
3120 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
3121 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
3123 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
3126 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
3127 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
3128 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
3129 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
3130 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
3132 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
3134 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
3136 (TARGET_ASM_RELOC_RW_MASK): Add return type.
3137 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
3139 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
3141 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
3144 (TARGET_ASM_NAMED_SECTION): Fix argument list.
3146 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
3147 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
3149 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
3151 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
3153 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
3154 referring to it. Fix language.
3156 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
3158 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
3160 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
3162 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
3164 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
3165 '@var{stream}. Remove stray 'and'.
3167 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
3169 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
3171 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
3173 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
3174 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
3176 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
3177 Fix description of return value.
3178 Rename argument "sz" to "len."
3180 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
3181 Clarify meaning of 'true' return value.
3183 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
3185 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
3186 rep_mode versus mode_rep.
3188 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
3190 (TARGET_BUILTIN_DECL): Fix name.
3192 (TARGET_COMMUTATIVE_P): Fix type of first argument.
3194 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
3196 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
3198 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
3200 (TARGET_RELAXED_ORDERING): Use @deftypevr.
3202 (TARGET_GET_DRAP_RTX): Note that this is a hook.
3205 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
3206 Rename argument tm_fn to md_fn.
3208 (TARGET_OPTION_PRINT): Fix argument list.
3210 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
3213 * config/i386/i386.c (ix86_fixup_binary_operands):
3214 Revert FMA4 fixup of operands.
3216 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3219 * Makefile.in (write_entries_to_file, install-plugin):
3220 Use \012 instead of \n with tr.
3222 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
3224 * configure.ac (HAVE_AS_REF): New C macro.
3225 * configure: Regenerate.
3226 * config.in: Likewise.
3227 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
3229 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
3232 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
3234 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
3236 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
3238 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
3240 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
3242 (TARGET_IN_SMALL_DATA_P): Fix argument type.
3244 (TARGET_BINDS_LOCAL_P): Fix argument type.
3246 (TARGET_ASM_FILE_END): Use prototype.
3248 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
3250 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
3252 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
3254 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
3256 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
3257 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
3259 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
3260 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
3262 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
3263 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
3264 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
3265 (TARGET_ADDR_SPACE_CONVERT): Likewise.
3267 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
3269 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
3271 (TARGET_INIT_BUILTINS): Use prototype.
3273 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
3274 Put 'const char *' in braces. Fix parameter types.
3275 (TARGET_INVALID_CONVERSION): Fix parameter types.
3276 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
3277 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
3279 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
3282 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
3284 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
3286 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
3288 * doc/tm.texi (TARGET_HELP): Fix return type.
3290 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
3291 in braces. Fix argument types.
3293 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
3295 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
3297 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
3299 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
3300 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
3302 (TARGET_MANGLE_TYPE): Fix argument types.
3304 (TARGET_IRA_COVER_CLASSES): Use prototype.
3306 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
3308 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
3310 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
3312 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
3314 (TARGET_CALLEE_COPIES): Fix argument types.
3316 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
3318 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
3320 (TARGET_FUNCTION_VALUE): Fix argument types.
3322 (TARGET_RETURN_IN_MSB): Fix argument type.
3324 (TARGET_RETURN_IN_MEMORY): Fix argument types.
3326 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
3328 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
3330 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
3331 agree with return type.
3333 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
3335 2010-01-15 Jing Yu <jingyu@google.com>
3337 PR rtl-optimization/42691
3338 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
3339 a pseudo to a constant and are merged, and adjust comments.
3341 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
3343 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
3345 2010-01-15 Richard Guenther <rguenther@suse.de>
3348 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
3349 labels of computed or non-local gotos to the destination.
3350 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
3351 landing pad label is the first label.
3353 2010-01-15 Richard Guenther <rguenther@suse.de>
3355 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
3357 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
3360 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
3361 to allow generation of the xssqrtdp instruction on power7.
3362 (sqrtdf2_fpr): Ditto.
3364 2010-01-14 Jakub Jelinek <jakub@redhat.com>
3367 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
3368 functions with noreturn attribute.
3371 * varasm.c (declare_weak): Add weak attribute to decl if it
3372 doesn't have one already.
3373 (assemble_external): Only add decls to weak_decls if they also
3374 have weak attribute.
3376 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
3378 * var-tracking.c (var_reg_delete): Don't delete the association
3379 between REGs and values or one-part variables if the register
3382 2010-01-14 Jakub Jelinek <jakub@redhat.com>
3385 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
3386 because its first operand is a non-localized variable.
3388 2010-01-14 Martin Jambor <mjambor@suse.cz>
3390 PR tree-optimization/42706
3391 * tree-sra.c (encountered_recursive_call): New variable.
3392 (encountered_unchangable_recursive_call): Likewise.
3393 (sra_initialize): Initialize both new variables.
3394 (callsite_has_enough_arguments_p): New function.
3395 (scan_function): Call decl and flags check only for IPA-SRA, check
3396 whether there is a recursive call and whether it has enough arguments.
3397 (all_callers_have_enough_arguments_p): New function.
3398 (convert_callers): Look for recursive calls only when
3399 encountered_recursive_call is set.
3400 (ipa_early_sra): Bail out either if
3401 !all_callers_have_enough_arguments_p or
3402 encountered_unchangable_recursive_call.
3404 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3406 * sel-sched.c: Add 2010 to copyright years.
3407 * sel-sched-ir.c: Likewise.
3408 * sel-sched-ir.h: Likewise.
3410 2010-01-14 Martin Jambor <mjambor@suse.cz>
3412 PR tree-optimization/42714
3413 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
3414 constructors specially.
3416 2010-01-14 Andi Kleen <ak@linux.intel.com>
3418 * config/i386/drivers-i386.c (detect_caches_intel):
3419 Add l2sizekb parameter and fill in.
3420 (host_detect_local_cpu): Add l2sizekb, fill in.
3421 Add Atom small cache heuristic.
3423 2010-01-14 Andi Kleen <ak@linux.intel.com>
3425 * config/i386/drivers-i386.c (detect_caches_cpuid4):
3426 Add level3 parameter and fill in.
3427 (detect_caches_intel): Handle level3 cache.
3429 2010-01-14 Andi Kleen <ak@linux.intel.com>
3431 * config/i386/drivers-i386.c (host_detect_local_cpu):
3432 Fix core duo detection.
3434 2010-01-14 Andi Kleen <ak@linux.intel.com>
3436 * config/i386/drivers-i386.c (host_detect_local_cpu):
3439 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3441 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
3442 (rs6000_variable_issue_1): this. Use...
3443 (rs6000_variable_issue): here. Reimplement. Print debug info.
3445 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3447 * sel-sched-ir.c (sel_restore_other_notes): Rename to
3448 sel_restore_notes. Update all callers. Call reemit_notes
3451 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3453 PR rtl-optimization/42246
3454 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
3457 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3459 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
3460 all successors is the same as number of successors in current region.
3462 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3464 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
3465 to rename is not separable. Otherwise check that its LHS is not NULL.
3467 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3469 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
3471 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3473 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
3474 available registers when failed to discover LHS register class.
3475 Fix indentation. Update comment.
3477 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3478 Alexander Monakov <amonakov@ispras.ru>
3480 PR rtl-optimization/42389
3481 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
3483 (advance_state_on_fence): Likewise.
3484 (sel_target_adjust_priority): Print debug output only when
3485 sched_verbose >= 4, not 2.
3486 (get_expr_cost): Do not issue all unique insns on the next cycle.
3487 (fill_insns): Initialize can_issue_more from the value saved
3489 * sel-sched-ir.c (flist_add): New parameter issue_more.
3490 Init FENCE_ISSUE_MORE with it.
3491 (merge_fences): Likewise.
3492 (init_fences): Update call to flist_add.
3493 (add_to_fences, add_clean_fence_to_fences)
3494 (add_dirty_fence_to_fences): Likewise.
3495 (move_fence_to_fences): Update call to merge_fences.
3496 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
3498 * sel-sched-ir.h (struct _fence): New field issue_more.
3499 (FENCE_ISSUE_MORE): New accessor macro.
3501 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3503 PR rtl-optimization/42388
3504 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
3505 that have no predecessors nor successors. Do not call move_bb_info
3506 for empty blocks outside of current region.
3508 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3510 PR rtl-optimization/42294
3511 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
3512 * sel-sched.c (move_exprs_to_boundary): Transitively add all
3513 originators' originators.
3515 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3517 PR rtl-optimization/39453
3518 PR rtl-optimization/42246
3519 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
3521 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
3523 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3524 Alexander Monakov <amonakov@ispras.ru>
3527 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
3528 (maybe_tidy_empty_bb): ... here. Make static. Add new
3529 argument. Update all callers.
3530 (tidy_control_flow): ... and here. Recompute topological order
3531 of basic blocks in region if necessary.
3532 (sel_redirect_edge_and_branch): Change return type. Return true
3533 if topological order might have been invalidated.
3534 (purge_empty_blocks): Export and move from...
3535 * sel-sched.c (purge_empty_blocks): ... here.
3536 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
3537 (maybe_tidy_empty_bb): Delete prototype.
3538 (purge_empty_blocks): Declare.
3540 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3542 PR rtl-optimization/42249
3543 * sel-sched.c (try_replace_dest_reg): When chosen register
3544 and original register is the same, do not bail out early, but
3545 still check all original insns for validity of replacing destination
3546 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
3549 2010-01-14 Jakub Jelinek <jakub@redhat.com>
3552 Port from no-undefined-overflow branch:
3553 2009-03-09 Richard Guenther <rguenther@suse.de>
3555 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
3557 2010-01-14 Richard Guenther <rguenther@suse.de>
3560 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
3562 2010-01-14 Ira Rosen <irar@il.ibm.com>
3564 PR tree-optimization/42709
3565 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
3566 as scalar type in creation of constant vector operand.
3568 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3571 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
3572 (check-parallel-%): Match `testsuite' directory component only
3575 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
3577 PR translation/39521
3578 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
3581 2010-01-13 Richard Guenther <rguenther@suse.de>
3583 PR tree-optimization/42730
3584 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
3587 2010-01-13 Steve Ellcey <sje@cup.hp.com>
3590 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
3591 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
3594 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
3596 * config/bfin/libgcc-bfin.ver: Regenerate based on current
3597 libgcc-std.ver. Add entries for ___smulsi3_highpart and
3598 ___umulsi3_highpart.
3600 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
3601 rather than schedule_insns if the pass is enabled.
3603 2010-01-13 Martin Jambor <mjambor@suse.cz>
3605 PR tree-optimization/42704
3606 * tree-sra.c (sra_modify_assign): Do not delete assignments to
3609 2010-01-13 Martin Jambor <mjambor@suse.cz>
3611 PR tree-optimization/42703
3612 * tree-sra.c (analyze_access_subtree): Check that we can build a
3613 reference to the original data within the aggregate.
3615 2010-01-13 Richard Guenther <rguenther@suse.de>
3617 PR tree-optimization/42705
3618 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
3620 2010-01-13 Richard Guenther <rguenther@suse.de>
3623 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
3625 2010-01-13 Jakub Jelinek <jakub@redhat.com>
3628 * var-tracking.c (values_to_unmark): New variable.
3629 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
3630 values_to_unmark vector. Moved body to...
3631 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
3632 instead queue it into values_to_unmark vector.
3633 (vt_find_locations): Free values_to_unmark vector.
3635 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
3637 * config/s390/s390.c (override_options): Set
3638 default of max-pending-list-length to 256
3640 2010-01-13 Richard Guenther <rguenther@suse.de>
3643 * tree-pass.h (PROP_gimple_lcx): New.
3644 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
3645 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
3646 before the final cleanup_eh.
3647 (dump_properties): Dump PROP_gimple_lcx.
3648 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
3649 (tree_lower_complex_O0): Remove.
3650 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
3651 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
3652 tree_lower_complex, schedule TODO_update_ssa.
3653 * lto-streamer-out.c (output_function): Stream the functions
3655 * lto-streamer-in.c (input_function): Likewise.
3656 (lto_read_body): Do not override them here.
3658 2010-01-12 Joseph Myers <joseph@codesourcery.com>
3661 * c-typeck.c (build_c_cast): Fold value cast to union type before
3662 wrapping it in a CONSTRUCTOR.
3664 2010-01-12 Jakub Jelinek <jakub@redhat.com>
3666 PR rtl-optimization/42699
3667 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
3670 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3672 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
3673 SUBTARGET_WARN_UNUSED_SPEC): Move ...
3674 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
3675 SUBTARGET_WARN_UNUSED_SPEC): ... here
3676 * config/mips/iris5.h (LIBGCC_SPEC): Define.
3678 2010-01-12 Julian Brown <julian@codesourcery.com>
3680 * config/arm/neon-schedgen.ml (Utils): Don't try to
3681 open missing module.
3682 (find_with_result): New.
3684 2010-01-12 Jakub Jelinek <jakub@redhat.com>
3687 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
3688 sharing when canonicalizing ({lt,ge}u (plus a b) b).
3690 PR tree-optimization/42645
3691 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
3692 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
3693 decl_map, set processing_debug_stmt to -1 and return name without
3696 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
3698 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
3699 binutils version, and reword target configuration description.
3701 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
3703 * config/avr/avr.h (LINKER_NAME): Remove.
3705 2010-01-11 Janis Johnson <janis187@us.ibm.com>
3708 * config/rs6000/rs6000.c (rs6000_override_options): On targets
3709 that support VSX, warn for -mno-altivec if vsx is not disabled,
3712 2010-01-11 Joseph Myers <joseph@codesourcery.com>
3713 Shujing Zhao <pearly.zhao@oracle.com>
3715 PR translation/42469
3716 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
3717 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
3718 character between option name and help text.
3719 * c.opt (imultilib): Likewise.
3721 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
3723 * lto-streamer-out.c (output_unreferenced_globals): Output static
3726 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
3728 PR rtl-optimization/42621
3729 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
3730 optimizing for size.
3731 (duplicate_computed_gotos): Remove now-redundant check.
3733 2010-01-10 Steve Ellcey <sje@cup.hp.com>
3736 * configure.ac: Save and restore LDFLAGS and LIBS
3737 * configure: Regenerate.
3739 2010-01-10 Richard Guenther <rguenther@suse.de>
3742 * builtins.c (fold_builtin_strlen): Add type argument and
3743 convert the resulting length to it.
3744 (fold_builtin_1): Adjust.
3746 2010-01-09 Jakub Jelinek <jakub@redhat.com>
3748 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
3749 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
3751 (num_insns_constant_wide): Adjust for that change.
3753 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3756 * web.c (union_defs): Add used argument, to combine uses of
3758 (entry_register): Adjust type and tests of used argument.
3759 (web_main): Widen used for new use. Pass it to union_defs.
3760 * df.h (union_defs): Adjust prototype.
3762 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3765 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
3766 uses in new incoming argument. Free body.
3767 (reset_debug_uses_in_loop): New.
3768 (analyze_insn_to_expand_var): Call the latter if the former found
3769 anything. Fix whitespace. Reject invalid dest overlaps before
3770 going through all insns in the loop.
3772 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3775 * haifa-sched.c (dying_use_p): Debug insns don't count.
3777 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3780 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
3781 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
3782 (verify_gimple_call): Reject LHS in noreturn calls.
3784 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3788 * tree-vect-loop-manip.c (adjust_info): New type.
3789 (adjust_vec): New pointer to vector.
3790 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
3791 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
3792 (slpeel_update_phis_for_duplicate_loop): Use them.
3793 (slpeel_update_phi_nodes_for_guard1): Likewise.
3794 (slpeel_update_phi_nodes_for_guard2): Likewise.
3795 (slpeel_tree_peel_loop_to_edge): Likewise.
3796 (vect_update_ivs_after_vectorizer): Likewise.
3798 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3800 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
3801 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
3803 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3805 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
3806 bogus uninitialized warning.
3808 2010-01-09 Richard Guenther <rguenther@suse.de>
3811 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
3812 the evolution is compatible with the initial condition.
3814 2010-01-09 Jakub Jelinek <jakub@redhat.com>
3816 * gcc.c (process_command): Update copyright notice dates.
3817 * gcov.c (print_version): Likewise.
3818 * gcov-dump.c (print_version): Likewise.
3819 * mips-tfile.c (main): Likewise.
3820 * mips-tdump.c (main): Likewise.
3822 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
3825 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
3827 (rotlhi3_8): Delete.
3829 (rotlsi3_8): Delete.
3830 (rotlsi3_16): Delete.
3831 (rotlsi3_24): Delete.
3833 (*rotw<mode>3): New.
3834 (*rotb<mode>3): New.
3835 * config/avr/avr.c (avr_rotate_bytes): New function.
3836 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
3838 2010-01-08 Steve Ellcey <sje@cup.hp.com>
3841 * configure.ac: Modify -rdynamic check.
3842 * configure: Regenerate.
3844 2010-01-08 DJ Delorie <dj@redhat.com>
3846 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
3847 register popping order.
3849 2010-01-08 Richard Guenther <rguenther@suse.de>
3852 * c.opt (fsigned-char): Also let LTO handle this option.
3853 (funsigned-char): Likewise.
3855 2010-01-07 Richard Guenther <rguenther@suse.de>
3857 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
3858 (gimple_op): Likewise.
3859 (gimple_op_ptr): Likewise.
3860 (gimple_assign_set_lhs): Remove gcc_assert.
3861 (gimple_assign_set_rhs1): Likewise.
3862 (gimple_assign_set_rhs2): Likewise.
3863 (gimple_call_set_lhs): Likewise.
3864 (gimple_call_set_fn): Likewise.
3865 (gimple_call_set_fndecl): Likewise.
3866 (gimple_call_fndecl): Likewise.
3867 (gimple_call_return_type): Likewise.
3868 (gimple_call_set_chain): Likewise.
3869 (gimple_call_num_args): Likewise.
3870 (gimple_call_set_arg): Likewise.
3871 (gimple_cond_set_code): Likewise.
3872 (gimple_cond_set_lhs): Likewise.
3873 (gimple_cond_set_rhs): Likewise.
3874 (gimple_cond_set_true_label): Likewise.
3875 (gimple_cond_set_false_label): Likewise.
3876 (gimple_label_set_label): Likewise.
3877 (gimple_goto_set_dest): Likewise.
3878 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
3879 (gimple_debug_bind_get_value): Likewise.
3880 (gimple_debug_bind_get_value_ptr): Likewise.
3881 (gimple_debug_bind_set_var): Likewise.
3882 (gimple_debug_bind_set_value): Likewise.
3883 (gimple_debug_bind_reset_value): Likewise.
3884 (gimple_debug_bind_has_value_p): Likewise.
3885 (gimple_return_retval_ptr): Remove gcc_assert.
3886 (gimple_return_retval): Likewise.
3887 (gimple_return_set_retval): Likewise.
3888 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
3889 (safe_referenced_var_iterator): Remove.
3890 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
3891 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
3892 (fill_referenced_var_vec): Remove.
3893 (first_readonly_imm_use): Remove redundant gcc_assert.
3894 (phi_arg_index_from_use): Combine gcc_asserts.
3895 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
3896 (first_imm_use_stmt): Remove redundant gcc_assert.
3897 * tree-cfg.c (verify_gimple_call): Verify function and chain
3898 operands. Verify arguments.
3899 (verify_types_in_gimple_stmt): Verify condition code and labels.
3901 2010-01-07 Richard Guenther <rguenther@suse.de>
3903 PR tree-optimization/42641
3904 * sese.c (rename_map_elt_info): Use the SSA name version, do
3907 2010-01-07 Jakub Jelinek <jakub@redhat.com>
3909 PR tree-optimization/42625
3910 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
3911 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
3913 2010-01-07 Duncan Sands <baldrick@free.fr>
3915 * Makefile.in (PLUGIN_HEADERS): Add version.h.
3917 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
3920 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
3921 note itself is not function_invariant_p.
3923 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
3925 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
3926 Do not add the DF_NOTE problem.
3927 * store-motion.c (execute_rtl_store_motion): Likewise.
3929 2010-01-07 Martin Jambor <mjambor@suse.cz>
3931 PR tree-optimization/42157
3932 * tree-sra.c (compare_access_positions): Stabilize sort if both
3933 accesses have integer types, return zero immediately if they are the
3936 2010-01-06 Richard Henderson <rth@redhat.com>
3939 * haifa-sched.c (add_to_note_list): Merge into ...
3940 (concat_note_lists): ... here, and ...
3941 (unlink_other_notes, rm_other_notes): Merge into...
3942 (remove_notes): ... here. Create REG_SAVE_NOTEs for
3943 NOTE_INSN_EPILOGUE_BEG.
3945 2010-01-06 Richard Guenther <rguenther@suse.de>
3947 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
3948 not inline regular functions into always-inline functions.
3950 2010-01-06 Nick Clifton <nickc@redhat.com>
3952 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
3953 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
3955 (OVERRIDE_OPTIONS): Delete.
3956 (OPTIMIZATION_OPTIONS): Define.
3957 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
3958 * config/rx/rx.c (rx_handle_option): Issue an error message if
3959 -mcpu=rx200 and -fpu are used together.
3960 (rx_set_optimization_options): New function. Issue an error
3961 message if an optimization attribute attempts to reset the FPU/
3962 math optimization pairing.
3963 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
3964 * config/rx/rx.opt: Set the default to 32-bit doubles.
3965 * config/rx/t-rx: Add multilibs for -nofpu option.
3966 * doc/invoke.texi: Update documentation of RX options.
3968 2010-01-06 Richard Guenther <rguenther@suse.de>
3970 * tree-ssa-pre.c (name_to_id): New global.
3971 (alloc_expression_id): Simplify SSA name handling.
3972 (lookup_expression_id): Likewise.
3973 (init_pre): Zero name_to_id.
3974 (fini_pre): Free it.
3976 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
3978 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
3980 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
3983 * config/i386/sse.md (smaxv2di3): New.
3984 (umaxv2di3): Likewise.
3985 (sminv2di3): Likewise.
3986 (uminv2di3): Likewise.
3988 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
3991 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
3992 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
3993 (legitimize_tls_address): Likewise.
3994 (sparc_tls_referenced_p): Likewise.
3995 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
3996 and adjust calls to legitimize_pic_address.
3997 (legitimate_constant_p) Use sparc_tls_referenced_p.
3998 (legitimate_pic_operand_p): Likewise.
3999 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
4000 (sparc_tls_symbol_ref_1): Delete.
4001 (sparc_tls_referenced_p): Make static, recognize specific patterns.
4002 (legitimize_tls_address): Make static, handle CONST patterns.
4003 (legitimize_pic_address): Make static, remove unused parameter and
4004 adjust recursive calls.
4005 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
4006 and adjust call to legitimize_pic_address.
4007 (sparc_output_mi_thunk): Likewise.
4009 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
4010 H.J. Lu <hongjiu.lu@intel.com>
4013 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
4014 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
4015 operands to make them signed.
4018 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
4021 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
4022 GTU to GT for V4SI and V2DI.
4024 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
4025 (umin<mode>3): Removed.
4027 (uminv4si3): Likewise.
4029 2010-01-05 Martin Jambor <mjambor@suse.cz>
4031 PR tree-optimization/42462
4032 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
4033 current_function_decl to helper functions and macros.
4035 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4038 * flags.h: Don't include real.h.
4039 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
4040 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
4041 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
4042 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
4043 * dominance.c: Update copyright.
4044 * gimple.c (walk_gimple_op): Remove inline.
4045 * tree-ssa-reassoc.c: Include real.h.
4046 * Makefile.in (FLAGS_H): Remove $(REAL_H).
4047 (tree-ssa-reassoc.o): Depend on $(REAL_H).
4049 2010-01-05 Nick Clifton <nickc@redhat.com>
4051 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
4052 register to push into the stack frame when the accumulator has to
4053 be saved during interrupts.
4055 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
4057 * doc/invoke.texi: Remove the documentation about option
4059 * common.opt (Wunreachable-code): Preserved for backward
4061 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
4062 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
4063 the backward compatibility flag section.
4065 2010-01-05 Richard Guenther <rguenther@suse.de>
4067 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
4069 2010-01-05 Jakub Jelinek <jakub@redhat.com>
4072 * cfgexpand.c (expand_one_var): Diagnose too large variables.
4074 PR tree-optimization/42508
4075 * tree-sra.c (convert_callers): Check for recursive call
4076 by comparing cgraph nodes instead of decls.
4077 (modify_function): Call ipa_modify_formal_parameters also
4078 on all same_body aliases.
4080 * cgraphunit.c (cgraph_materialize_all_clones): Compare
4081 cgraph nodes when checking for same_body aliases.
4083 2010-01-05 Richard Guenther <rguenther@suse.de>
4085 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
4086 allocation and lookup.
4087 (get_or_alloc_expr_for_constant): Likewise.
4088 (phi_translate): Sink allocation.
4090 2010-01-04 Richard Guenther <rguenther@suse.de>
4092 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
4093 a new entry only if needed.
4094 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
4095 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
4097 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
4099 (phi_translate): Handle CONSTANTs early.
4101 2010-01-04 Martin Jambor <mjambor@suse.cz>
4103 PR tree-optimization/42398
4104 * tree-sra.c (struct access): Removed flag grp_different_types.
4105 (dump_access): Do not dump the removed flag.
4106 (sort_and_splice_var_accesses): Do not set the removed flag.
4107 (sra_modify_expr): Check for type compatibility directly.
4109 2010-01-04 Martin Jambor <mjambor@suse.cz>
4111 PR tree-optimization/42366
4112 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
4113 edges with variable number of parameters.
4114 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
4115 flag instead of asserting it.
4116 (ipa_read_node_info): Read uses_analysis_done flag.
4118 2010-01-04 Richard Guenther <rguenther@suse.de>
4120 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
4121 iterative_hash_* as intended.
4122 (vn_reference_compute_hash): Likewise. Simplify hashing
4124 (vn_reference_lookup_2): Likewise.
4125 (vn_nary_op_compute_hash): Likewise.
4126 (vn_phi_compute_hash): Likewise.
4127 (expressions_equal_p): Remove strange code.
4128 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
4129 (pre_expr_hash): Likewise. Simplify hashing SSA names.
4130 (bitmap_insert_into_set_1): Take value-id as parameter.
4131 (add_to_value): Pass it.
4132 (bitmap_insert_into_set): Likewise.
4133 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
4135 2010-01-04 Jakub Jelinek <jakub@redhat.com>
4138 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
4139 (do_self_spec): For switches with SWITCH_IGNORE set set also
4140 SWITCH_IGNORE_PERMANENTLY.
4141 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
4144 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
4146 * lto-streamer-out.c (output_unreferenced_globals): Output the full
4147 tree of an unreferenced global var.
4149 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
4152 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
4153 GTU to GT for V4SI and V2DI.
4155 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
4156 (umin<mode>3): Removed.
4158 (uminv4si3): Likewise.
4160 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
4163 * collect2.c (main): Turn on trace in collect2 if -v is passed
4166 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
4168 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
4169 description of expression operand.
4171 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
4173 * configure.ac: Add install-html to target_list for Make-hooks.
4174 * configure: Regenerate.
4175 * fortran/Make-lang.in (F95_HTMLFILES): New.
4176 (fortran.html): Use it.
4177 (fortran.install-html): New.
4178 * Makefile.in (install-html): Add lang.install-html.
4179 * java/Make-lang.in (JAVA_HTMLFILES): New.
4180 (java.html): Use it.
4181 (java.install-html): New.
4182 * objc/Make-lang.in (objc.install-html): New.
4183 * objcp/Make-lang.in (obj-c++.install-html): New.
4184 * cp/Make-lang.in (c++.install-html): New.
4185 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
4186 * lto/Make-lang.in (lto.install-html): New.
4188 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
4191 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
4193 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
4195 PR rtl-optimization/41862
4196 * store-motion.c (store_killed_in_insn, compute_store_table,
4197 remove_reachable_equiv_notes, replace_store_insn,
4198 build_store_vectors): Ignore all DEBUG_INSNs.
4200 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
4203 * common.opt: Add dumpdir.
4205 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
4207 (option_map): Add --dumpdir.
4209 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
4211 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
4213 * opts.c (decode_options): Try dump_dir_name first if
4214 dump_base_name isn't an absolute path.
4215 (common_handle_option): Handle OPT_dumpdir.
4217 * toplev.c (dump_dir_name): New.
4218 (print_switch_values): Also ignore -dumpdir.
4220 * toplev.h (dump_dir_name): New.
4222 2010-01-03 Richard Guenther <rguenther@suse.de>
4224 PR tree-optimization/42589
4225 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
4226 double-word expansion of bswap32.
4228 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
4230 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
4231 with BLOCK_FOR_INSN.
4232 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
4233 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
4234 noce_process_if_block): Likewise.
4235 * gcse.c (compute_local_properties, insert_expr_in_table,
4236 insert_set_in_table, canon_list_insert, find_avail_set,
4237 pre_insert_copy_insn): Likewise.
4239 * basic-block.h (BLOCK_NUM): Move from here...
4240 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
4242 2010-01-03 Richard Guenther <rguenther@suse.de>
4244 PR tree-optimization/42438
4245 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
4246 contains_may_not_return_call flag.
4247 (BB_MAY_NOTRETURN): New.
4248 (valid_in_sets): Trapping nary operations are not valid
4249 in blocks that may not return.
4250 (insert_into_preds_of_block): Remove check for trapping expressions.
4251 (compute_avail): Compute also BB_MAY_NOTRETURN.
4253 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
4255 * doc/invoke.texi: Add 2010 to copyright years.
4257 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
4259 * config/sparc/sparc.c: Fix formatting nits.
4261 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
4262 Alexander Monakov <amonakov@ispras.ru>
4264 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
4266 2010-01-02 Richard Guenther <rguenther@suse.de>
4269 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
4270 (simplify_switch_using_ranges): Mark to be removed edges
4273 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4275 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
4277 * collect2.c (scan_libraries): Add missing argument in call to
4280 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
4283 * config/alpha/predicates.md (aligned_memory_operand): Return false
4285 (unaligned_memory_operand): Return true for CQImode.
4286 * config/alpha/alpha.c (get_aligned_mem): Assert that location
4287 doesn not cross aligned SImode word boundary.
4289 2010-01-02 Anatoly Sokolov <aesok@post.ru>
4291 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
4293 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
4294 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
4296 2010-01-02 Richard Guenther <rguenther@suse.de>
4299 * toplev.c (compile_file): Emit LTO marker properly. Change
4301 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
4303 2010-01-01 Richard Guenther <rguenther@suse.de>
4306 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
4308 2010-01-01 Richard Guenther <rguenther@suse.de>
4311 * c-decl.c (grokdeclarator): For zero-size arrays force
4312 structural equality checks as layout_type does.
4314 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
4316 * builtins.c: Update copyright to 2010.
4318 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
4321 * lto-streamer-out.c (produce_asm): Revert the last change.
4322 (copy_function): Likewise.
4324 * lto-streamer.c (lto_get_section_name): Skip any leading
4327 2010-01-01 Richard Guenther <rguenther@suse.de>
4330 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
4334 Copyright (C) 2010 Free Software Foundation, Inc.
4336 Copying and distribution of this file, with or without modification,
4337 are permitted in any medium without royalty provided the copyright
4338 notice and this notice are preserved.