1 2010-03-26 Joseph Myers <joseph@codesourcery.com>
4 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
5 nested binding iff it is a FUNCTION_DECL.
6 (store_parm_decls_newstyle): Pass nested=true to bind for
7 FUNCTION_DECLs amongst parameters.
9 2010-03-26 Jakub Jelinek <jakub@redhat.com>
11 * var-tracking.c (vt_expand_loc_callback): Don't run
12 cselib_expand_value_rtx_cb in dummy mode if
13 cselib_dummy_expand_value_rtx_cb returned false.
15 * var-tracking.c (emit_note_insn_var_location): For one part
16 notes with offset 0, don't add EXPR_LIST around the location.
17 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
18 add_location_or_const_value_attribute): Adjust for that change.
21 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
22 into first operand and location into second.
23 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
24 dw_cfi_oprnd_loc for DW_CFA_expression.
25 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
26 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
27 assume first argument is regnum and second argument is location.
29 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
32 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
33 of scratch register to DImode. Split to DImode comparison operator.
34 Use SImode subreg of scratch register in the multiplication.
35 (*cmp_sadd_sidi): Ditto.
36 (*cmp_ssub_si): Ditto.
37 (*cmp_ssub_sidi): Ditto.
39 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
42 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
43 Remove invalid assert and wrong comment.
45 2010-03-26 Jakub Jelinek <jakub@redhat.com>
48 * flags.h (final_insns_dump_p): New extern.
49 * final.c (final_insns_dump_p): New variable.
50 (rest_of_clean_state): Set it before -fdump-final-insns=
51 dumping, clear afterwards.
52 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
53 MEM_ALIAS_SET on MEMs.
55 2010-03-26 David S. Miller <davem@davemloft.net>
57 * configure.ac: Fix sparc GOTDATA_OP bug check.
60 2010-03-26 Alan Modra <amodra@gmail.com>
62 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
64 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
66 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
69 2010-03-25 Jakub Jelinek <jakub@redhat.com>
72 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
73 Clear first_function_block_is_cold.
76 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
77 argument if the argument is truth_value_p.
79 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
81 * config/rs6000/constraints.md: Update copyright year for my changes.
84 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
85 used in reg+reg addressing, swap registers.
87 2010-03-24 Jakub Jelinek <jakub@redhat.com>
90 * target.h (struct gcc_target): Add code_end hook.
91 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
93 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
94 * toplev.c (compile_file): Call targetm.asm_out.code_end
95 hook before unwind info/debug info output.
96 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
97 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
98 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
99 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
100 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
101 * config/i386/i386.c (ix86_file_end): Renamed to...
102 (ix86_code_end): ... this. Make static. Don't call
103 file_end_indicate_exec_stack. Emit unwind info using
104 final_start_function/final_end_function.
105 (darwin_x86_file_end): Remove.
106 (TARGET_ASM_CODE_END): Define.
107 * config/i386/i386.h (TARGET_ASM_FILE_END,
108 NEED_INDICATE_EXEC_STACK): Don't define.
109 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
110 (TARGET_ASM_FILE_END): Define to darwin_file_end.
111 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
112 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
115 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
116 at the beginning and final_end_function at the end.
117 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
119 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
121 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
122 and Sun as TLS syntax.
123 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
124 * configure: Regenerate.
125 * config.in: Regenerate.
126 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
127 (default_elf_asm_named_section): Use it.
128 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
129 (i386_output_dwarf_dtprel): Likewise.
130 (output_addr_const_extra): Likewise.
131 (output_pic_addr_const): Lowercase @GOTTPOFF.
132 (output_addr_const_extra): Likewise.
133 (output_pic_addr_const): Lowercase @GOTNTPOFF.
134 (output_addr_const_extra): Likewise.
135 (output_pic_addr_const): Lowercase @INDNTPOFF.
136 (output_addr_const_extra): Likewise.
137 (output_pic_addr_const): Lowercase @NTPOFF.
138 (output_addr_const_extra): Likewise.
139 (output_pic_addr_const): Lowercase @TPOFF.
140 (output_addr_const_extra): Likewise.
141 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
142 (*tls_global_dynamic_64): Likewise.
143 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
144 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
146 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
147 (ASM_OUTPUT_TLS_COMMON): Use it.
148 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
151 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
152 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
153 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
154 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
155 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
156 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
158 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
160 * config/i386/i386.c (override_options): Don't accept
161 -mtls-dialect=sun any longer.
162 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
163 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
164 (*tls_local_dynamic_base_32_sun): Likewise.
165 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
167 2010-03-24 Jakub Jelinek <jakub@redhat.com>
170 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
171 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
174 * ira.c (adjust_cleared_regs): New function.
175 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
179 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
181 * expr.c (expand_expr_real): Restore previous
182 curr_insn_source_location and curr_insn_block after
183 expand_expr_real_1 call.
184 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
185 instead of expand_expr_real_1.
187 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
189 PR rtl-optimization/43413
190 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
193 2010-03-22 James E. Wilson <wilson@codesourcery.com>
196 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
197 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
199 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
201 * config/i386/i386.c (ix86_target_string): Add -mfma.
202 Fix a typo in comment.
204 2010-03-22 Mike Stump <mikestump@comcast.net>
207 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
208 Don't overly align based upon packed packed fields.
210 2010-03-22 Jason Merrill <jason@redhat.com>
212 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
213 Use () rather than [], and move before the element type.
215 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
217 * doc/configfiles.texi (Configuration Files): Removed
218 fixinc/Makefile*, intl/Makefile.*.
219 * doc/makefile.texi: Fixed markup. Abstract from version
221 (Makefile): Removed obsolete gcc/java/parse.y example.
222 * doc/sourcebuild.texi: Likewise.
223 (Top Level): Added config, gnattools, libdecnumber, libgcc,
224 libgomp, libssp. Removed fastjar.
225 (Miscellaneous Docs): Clarify location.
226 Added COPYING3, COPYING3.LIB.
227 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
229 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
232 * config/i386/i386.c (x86_function_profiler)
233 [!NO_PROFILE_COUNTERS]: Fix typo.
234 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
237 2010-03-22 Janis Johnson <janis187@us.ibm.com>
238 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
240 * doc/sourcebuild.texi (Test Directives): Split into six
241 subsections, with most of the current text in new subsections
242 Directives, Selectors, and Final Actions.
243 (Directives): Split list of test directives into multiple
245 (Selectors): Describe use and syntax of selectors.
246 (Effective-Target Keywords): Describe all existing keywords.
247 (Add Options): Describe features for dg-add-options.
248 (Require Support): Describe variants of dg-require-support.
249 (Final Actions): Describe commands to use in dg-final.
251 2010-03-22 Michael Matz <matz@suse.de>
254 * recog.c (validate_replace_rtx_group): Replace also in
255 REG_EQUAL and REG_EQUIV notes.
257 2010-03-22 Richard Guenther <rguenther@suse.de>
259 PR tree-optimization/43390
260 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
261 sure vector extracts are type correct.
263 2010-03-22 Richard Guenther <rguenther@suse.de>
266 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
267 x * sqrt (x) even when optimizing for size if the target
268 has native support for sqrt.
270 2010-03-22 Jakub Jelinek <jakub@redhat.com>
272 * varasm.c (make_decl_rtl_for_debug): Also clear
273 flag_mudflap for the duration of make_decl_rtl call.
276 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
277 locs from preserved VALUEs.
279 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
282 * pa.md (movmemsi): Set align to one if zero.
283 (movmemdi): Likewise.
285 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
288 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
289 with their corresponding prologue pushes.
291 2010-03-20 Andrew Pinski <pinskia@gmail.com>
294 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
295 at the begining or end.
296 (spu_expand_epilogue): Likewise.
298 2010-03-20 Richard Guenther <rguenther@suse.de>
300 PR rtl-optimization/43438
301 * combine.c (make_extraction): Properly zero-/sign-extend an
302 extraction of the low part of a CONST_INT. Also handle
305 2010-03-19 Mike Stump <mikestump@comcast.net>
307 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
308 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
309 (override_options): Use SUBTARGET32_DEFAULT_CPU.
311 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
314 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
317 2010-03-19 Bernd Schmidt <bernd.schmidt@codesourcery.com>
319 PR rtl-optimization/42258
320 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
321 use that may match DEF.
324 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
325 the cost of loading the constant rather than assuming
327 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
328 outer code is AND, do the same tests as the andsi3 expander and
329 return COSTS_N_INSNS (1) if and is cheap.
331 * optabs.c (avoid_expensive_constant): Fix formatting.
333 2010-03-19 Michael Matz <matz@suse.de>
336 * attribs.c (decl_attributes): When rebuilding a function pointer
337 type use the same qualifiers as the original pointer type.
339 2010-03-19 Martin Jambor <mjambor@suse.cz>
341 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
342 and is_gimple_ip_invariant_address.
344 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
347 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
349 * config/arm/arm.c (arm_override_options): Turn off
350 flag_dwarf2_cfi_asm for AAPCS variants.
352 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
355 * config/arm/arm.c (emit_multi_reg_push): Update comments.
356 Use PRE_MODIFY instead of PRE_DEC.
357 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
358 (vfp_emit_fstmd): Likewise.
360 2010-03-19 Michael Matz <matz@suse.de>
363 * builtins.c (expand_builtin_interclass_mathfn,
364 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
367 2010-03-19 Richard Guenther <rguenther@suse.de>
369 PR tree-optimization/43415
370 * tree-ssa-pre.c (phi_translate): Split out worker to ...
371 (phi_translate_1): ... this.
372 (phi_translate): Move all caching here. Cache all NARY
373 and REFERENCE translations.
375 2010-03-19 David S. Miller <davem@davemloft.net>
377 With help from Eric Botcazou.
378 * config/sparc/sparc.c: Include dwarf2out.h.
379 (emit_pic_helper): Delete.
380 (pic_helper_symbol_name): Delete.
381 (pic_helper_emitted_p): Delete.
382 (pic_helper_needed): New.
383 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
384 (get_pc_thunk_name): New.
385 (load_pic_register): Remove 'delay_pic_helper' arg. Use
386 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
387 Set pic_helper_needed to true. Don't call emit_pic_helper.
388 (sparc_expand_prologue): Update load_pic_register call.
389 (sparc_output_mi_thunk): Likewise.
390 (sparc_file_end): Emit a hidden comdat symbol for the PIC
391 thunk if possible. Output CFI information as needed.
393 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
394 Jack Howarth <howarth@bromo.med.uc.edu>
397 * config/i386/i386.h: Fix ABI on darwin x86-32.
399 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
401 * tree.h: Declare make_decl_rtl_for_debug.
402 * varasm.c (make_decl_rtl_for_debug): New.
403 * dwarf2out.c (rtl_for_decl_location): Call it.
404 * cfgexpand.c (expand_debug_expr): Call it.
406 2010-03-18 Jakub Jelinek <jakub@redhat.com>
409 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
413 * var-tracking.c (vt_init_cfa_base): Do nothing if
414 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
416 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
419 * var-tracking.c (canonicalize_vars_star): New.
420 (dataflow_post_merge_adjust): Use it.
422 2010-03-18 Jakub Jelinek <jakub@redhat.com>
425 * var-tracking.c (non_suitable_const): New function.
426 (add_uses): For DEBUG_INSNs with constants, don't record any
427 value, instead just the constant value itself.
428 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
429 is not VAR_LOC_UNKNOWN_P, set var to the constant.
430 (emit_notes_in_bb): Likewise.
431 (emit_note_insn_var_location): For onepart variables if
432 cur_loc is a VOIDmode constant, use DECL_MODE.
434 2010-03-18 Martin Jambor <mjambor@suse.cz>
437 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
438 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
439 all non-clones. Moved call redirection...
440 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
441 (cgraph_materialize_all_clones): Dispose of all
442 combined_args_to_skip bitmaps.
443 (verify_cgraph_node): Do not check for edges pointing to wrong
444 nodes in inline clones.
445 * tree-inline.c (copy_bb): Call
446 cgraph_redirect_edge_call_stmt_to_callee.
447 * ipa.c (cgraph_remove_unreachable_nodes): Call
448 cgraph_node_remove_callees even when there are used clones.
450 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
452 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
454 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
457 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
460 2010-03-18 Michael Matz <matz@suse.de>
463 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
464 into sqrt(x) if we need to preserve signed zeros.
466 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
467 Eric Botcazou <ebotcazou@adacore.com>
469 PR rtl-optimization/43360
470 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
471 note if we don't know its invariant status.
473 2010-03-18 Michael Matz <matz@suse.de>
475 PR tree-optimization/43402
476 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
477 PHI chains of ssa names registered for update.
479 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
482 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
483 non-offsettable and pre_modify update addressing.
484 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
485 and "2" alternatives "#".
486 (*movdd_softfloat32): Make all alternatives "#";
487 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
488 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
489 (*movdf_softfloat32): Make all alternatives "#";
490 (movdi): Use the new DIFD mode iterator to create a common splitter
491 for movdi, movdf and movdd patterns.
493 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
495 * common.opt (dumpdir): Remove redundant tab.
497 2010-03-17 Martin Jambor <mjambor@suse.cz>
499 PR tree-optimization/43347
500 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
501 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
503 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
505 PR rtl-optimization/42216
506 * regrename.c (create_new_chain): New function, broken out from...
507 (scan_rtx_reg): ... here. Call it. Handle the case where we are
508 appending a use to an empty chain.
509 (build_def_use): Remove previous changes that convert OP_INOUT to
510 OP_OUT operands; instead detect the case where an OP_INOUT operand
511 uses a previously untracked register and create an empty chain for it.
513 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
515 * doc/extend.texi (Function Attributes): Rewrite unfinished
516 sentence in ms_abi documentation.
518 2010-03-17 Alan Modra <amodra@gmail.com>
520 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
521 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
522 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
523 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
525 2010-03-16 Richard Henderson <rth@redhat.com>
528 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
529 (lower_try_finally): Save and restore eh_seq around the expansion
532 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
534 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
535 statements before splitting block.
537 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
539 * doc/sourcebuild.texi (Testsuites): Fix markup.
540 Use pathnames relative to gcc/testsuite.
541 (Test Directives): Move description of how timeout is determined.
542 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
543 (C Tests): Correct gcc.misc-tests directory.
544 Framework tests now live in gcc.test-framework.
546 2010-03-16 Richard Guenther <rguenther@suse.de>
549 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
550 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
552 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
553 Alexandre Oliva <aoliva@redhat.com>
555 PR tree-optimization/42917
556 * lambda-code.c (remove_iv): Skip debug statements.
557 (lambda_loopnest_to_gcc_loopnest): Likewise.
558 (not_interesting_stmt): Debug statements are not interesting.
560 2010-03-16 Jakub Jelinek <jakub@redhat.com>
564 * cselib.c (cselib_preserve_constants,
565 cfa_base_preserved_val): New static variables.
566 (preserve_only_constants): New function.
567 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
568 clear its REG_VALUES. If cselib_preserve_constants, don't
569 empty the whole hash table, but preserve there VALUEs with constants,
570 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
571 (cselib_preserve_cfa_base_value): New function.
572 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
573 (cselib_init): Change argument to int bitfield. Set
574 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
576 (cselib_finish): Clear cselib_preserve_constants and
577 cfa_base_preserved_val.
578 * cselib.h (enum cselib_record_what): New enum.
579 (cselib_init): Change argument to int.
580 (cselib_preserve_cfa_base_value): New prototype.
581 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
582 * dse.c (dse_step1): Likewise.
583 * cfgcleanup.c (thread_jump): Likewise.
584 * sched-deps.c (sched_analyze): Likewise.
585 * gcse.c (local_cprop_pass): Likewise.
586 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
587 If FN is non-NULL, call the callback always and whenever it returns
588 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
589 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
590 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
591 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
592 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
593 * var-tracking.c: Include recog.h.
594 (bb_stack_adjust_offset): Remove.
595 (vt_stack_adjustments): Don't call it, instead just gather the
596 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
597 (adjust_stack_reference): Remove.
598 (compute_cfa_pointer): New function.
599 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
600 (struct adjust_mem_data): New type.
601 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
603 (get_address_mode): New function.
604 (replace_expr_with_values): Use it.
605 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
606 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
607 (adjust_sets): Remove.
608 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
609 Use get_address_mode.
610 (get_adjusted_src): Remove.
611 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
612 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
613 (add_with_sets): Don't call adjust_sets.
614 (fp_setter, vt_init_cfa_base): New functions.
615 (vt_initialize): Change return type to bool. Move most of pool etc.
616 initialization to the beginning of the function from end. Pass
617 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
618 If !frame_pointer_needed, call vt_stack_adjustment before mos
619 vector is filled, call vt_init_cfa_base if argp/framep has been
620 eliminated to sp. If frame_pointer_needed and argp/framep has
621 been eliminated to hard frame pointer, set
622 hard_frame_pointer_adjustment and call vt_init_cfa_base after
623 encountering fp setter in the prologue. For MO_ADJUST, call
624 log_op_type before pusing the op into mos vector, not afterwards.
625 Call adjust_insn before cselib_process_insn/add_with_sets,
626 call cancel_changes (0) afterwards.
627 (variable_tracking_main_1): Adjust for vt_initialize calling
628 vt_stack_adjustments and returning whether it succeeded or not.
630 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
632 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
635 2010-03-15 Jakub Jelinek <jakub@redhat.com>
637 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
639 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
640 drap_reg has not been set.
642 2010-03-15 Michael Matz <matz@suse.de>
645 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
646 use it to expand block copies.
647 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
648 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
649 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
651 2010-03-15 Richard Guenther <rguenther@suse.de>
653 PR tree-optimization/43367
654 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
657 2010-03-15 Richard Guenther <rguenther@suse.de>
659 PR tree-optimization/43317
660 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
662 2010-03-15 Martin Jambor <mjambor@suse.cz>
664 PR tree-optimization/43141
665 * tree-sra.c (create_abstract_origin): New function.
666 (modify_function): Call create_abstract_origin.
668 2010-03-15 Chris Demetriou <cgd@google.com>
670 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
673 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
676 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
677 call insert_out_of_ssa_copy for default definitions.
679 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
681 * graphite-clast-to-gimple.c (my_long_long): Defined.
682 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
683 * graphite-sese-to-poly.c (my_long_long): Defined.
684 (scop_ivs_can_be_represented): Use it.
686 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
688 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
689 graphite-max-bbs-per-function, and loop-block-tile-size.
690 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
692 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
694 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
696 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
698 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
699 (add_upper_bounds_from_estimated_nit): New.
700 (build_loop_iteration_domains): Use it.
702 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
704 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
706 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
709 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
710 should be an INTEGER_CST. Also handle CASE_CONVERT.
712 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
714 * graphite.c (graphite_initialize): To bound the number of bbs per
715 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
716 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
717 * doc/invoke.texi: Document it.
719 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
721 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
722 * graphite-sese-to-poly.h (build_poly_scop): Same.
724 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
726 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
727 the number of parameters in the scop. Use as an upper bound
728 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
729 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
730 * doc/invoke.texi: Document it.
732 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
734 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
735 * doc/c-tree.texi: Remove.
736 * doc/generic.texi: Merge c-tree.texi here.
737 * doc/gccint.texi (Trees): Remove menu entry.
738 (c-tree.texi): Remove @include.
739 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
740 * doc/languages.texi (Reading RTL): Ditto.
742 2010-03-12 Steve Ellcey <sje@cup.hp.com>
745 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
747 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
750 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
751 code added to work around reload clobbering CONST insns.
753 2010-03-12 Jakub Jelinek <jakub@redhat.com>
755 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
756 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
757 (cselib_preserve_only_values): Remove retain argument, don't
758 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
759 * cselib.h (cselib_preserve_only_values): Remove retain argument.
760 * var-tracking.c (micro_operation): Move insn field before union.
761 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
762 (struct variable_tracking_info_def): Remove n_mos field, change
763 mos into a vector of micro_operations.
764 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
765 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
766 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
767 changing into a vector.
768 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
769 come before all other uops generated by add_stores.
770 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
772 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
773 a vector. Run just one pass over the bbs instead of separate counting
774 and computation phase.
775 (vt_finalize): Free VTI (bb)->mos vector instead of array.
778 * tree-inline.c (remap_decls): Put old_var rather than origin_var
779 into *nonlocalized_list vector.
780 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
781 even if origin is non-NULL.
782 (gen_variable_die): Likewise.
783 (process_scope_var): Don't change origin.
784 (gen_decl_die): Likewise.
785 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
786 before adding new edges instead of after it, fix moving over
789 2010-03-11 David S. Miller <davem@davemloft.net>
791 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
793 * configure: Rebuild.
795 2010-03-11 Martin Jambor <mjambor@suse.cz>
797 PR tree-optimization/43257
798 * tree.c (assign_assembler_name_if_neeeded): New function.
799 (free_lang_data_in_cgraph): Assembler name assignment moved to the
801 * tree.h (assign_assembler_name_if_neeeded): Declare.
802 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
803 the function if needed.
805 2010-03-11 Chris Demetriou <cgd@google.com>
807 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
808 include/stdint-gcc.h, and include/stdint.h world-readable.
810 2010-03-11 Richard Guenther <rguenther@suse.de>
812 PR tree-optimization/43255
813 * tree-vrp.c (process_assert_insertions_for): Do not insert
814 asserts for trivial conditions.
816 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
818 PR tree-optimization/43280
819 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
820 generation. Move calculation of size out of the if branch.
821 (find_bswap): Modify compare number generation.
823 2010-03-11 Richard Guenther <rguenther@suse.de>
826 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
827 (input_gimple_stmt): Fixup handled component types during
828 operand read. Also fix up decls in ADDR_EXPRs.
830 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
832 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
833 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
835 2010-03-10 Jan Hubicka <jh@suse.cz>
838 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
839 * varasm.c (get_variable_section): Don't do that here...
840 (make_decl_rtl): ... and here.
841 (do_assemble_alias): Produce decl RTL.
842 (assemble_alias): Likewise.
844 2010-03-10 Jakub Jelinek <jakub@redhat.com>
847 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
848 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
850 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
851 (based_loc_descr): Only express drap or vdrap regno based expressions
852 using DW_OP_fbreg when not optimizing.
853 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
854 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
855 REG_CFA_SET_VDRAP note.
857 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
859 PR tree-optimization/43236
860 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
861 error in calculation of base address in reverse iteration case.
862 (generate_builtin): Take number of latch executions if the statement
865 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
868 * tree-eh.c: Include pointer-set.h.
869 (lower_eh_dispatch): Filter out duplicate case labels and
870 remove the unneeded edge when the label is unused. Return
871 true when some edges are removed.
872 (execute_lower_eh_dispatch): When any lowering resulted in
873 removing an edge, also delete unreachable blocks.
875 2010-03-10 Jakub Jelinek <jakub@redhat.com>
878 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
879 UNSPEC_MACHOPIC_OFFSET.
881 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
884 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
885 (m68k_delegitimize_address): New function.
887 2010-03-09 Jakub Jelinek <jakub@redhat.com>
890 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
893 * var-tracking.c (adjust_sets): New function.
894 (count_with_sets, add_with_sets): Use it.
895 (get_adjusted_src): New inline function.
896 (add_stores): Use it.
899 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
900 call cselib_dummy_expand_value_rtx_cb instead of
901 cselib_expand_value_rtx_cb.
904 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
905 * config/i386/i386.c: Include debug.h and dwarf2out.h.
906 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
907 and .cfi_endproc around the pic thunks.
908 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
909 all queued unwind info register saves are saved before the call.
910 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
911 considered as sp-=4 for unwind info and the pop as sp+=4 which
912 also clobbers dest, but doesn't actually restore it.
915 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
918 2010-03-09 Jie Zhang <jie@codesourcery.com>
920 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
921 whitespaces in output template.
923 2010-03-09 Jie Zhang <jie@codesourcery.com>
925 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
928 2010-03-08 Jakub Jelinek <jakub@redhat.com>
930 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
931 builtins.exp in a separate job.
933 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
935 * graphite-sese-to-poly.c (add_param_constraints): Use
936 lower_bound_in_type and upper_bound_in_type.
938 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
940 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
941 instead of unsigned_type_node.
943 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
944 Reza Yazdani <reza.yazdani@amd.com>
947 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
948 on pointer type parameters.
950 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
954 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
955 handle conversions from pointer to integers.
956 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
957 induction variable, to be able to work with code generated by CLooG.
958 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
959 (build_poly_scop): Bail out if we cannot codegen a loop.
961 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
963 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
964 code generation with gloog_error.
966 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
968 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
969 Call fold_convert on all the returned values.
970 (expand_scalar_variables_expr): Pass to
971 expand_scalar_variables_ssa_name the type of the resulting expression.
973 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
975 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
976 ppl_min_for_le_pointset.
977 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
978 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
980 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
982 * graphite-dependences.c (map_into_dep_poly): Removed.
983 (dependence_polyhedron_1): Use combine_context_id_scat.
985 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
987 * graphite-poly.h (struct poly_scattering): Add layout documentation.
988 (struct poly_bb): Same.
989 (combine_context_id_scat): New.
991 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
994 * sese.c (name_defined_in_loop_p): Return false for default
997 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
999 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
1000 and clean up the logic.
1002 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
1004 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
1007 2010-03-08 Jakub Jelinek <jakub@redhat.com>
1009 * var-tracking.c (remove_cselib_value_chains): Define only for
1011 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
1012 delete_slot_part, emit_notes_for_differences_1): Don't call
1013 remove_cselib_value_chains here.
1014 (set_slot_part, emit_notes_for_differences_2): Don't call
1015 add_cselib_value_chains here.
1016 (preserved_values): New vector.
1017 (preserve_value): New function.
1018 (add_uses, add_stores, vt_add_function_parameters): Use it
1019 instead of cselib_preserve_value.
1020 (changed_values_stack): New vector.
1021 (check_changed_vars_0): New function.
1022 (check_changed_vars_1, check_changed_vars_2): Use it.
1023 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
1024 changed_values_stack VALUEs.
1025 (vt_emit_notes): For all preserved_values call
1026 add_cselib_value_chains. If ENABLE_CHECKING call
1027 remove_cselib_value_chains before verifying value_chains is empty.
1028 Initialize and free changed_values_stack.
1029 (vt_initialize): Initialize preserved_values.
1030 (vt_finalize): Free preserved_values.
1032 2010-03-08 Richard Guenther <rguenther@suse.de>
1034 PR tree-optimization/43269
1035 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
1038 2010-03-08 Martin Jambor <mjambor@suse.cz>
1040 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
1041 (ipa_is_param_called): Removed.
1042 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
1043 (ipa_print_node_params): Do not print the called flag.
1044 (ipa_write_node_info): Do not stream the called flag.
1045 (ipa_read_node_info): Likewise.
1047 2010-03-07 Jakub Jelinek <jakub@redhat.com>
1050 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
1051 * cselib.c (struct expand_value_data): Add dummy field.
1052 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
1054 (cselib_dummy_expand_value_rtx_cb): New function.
1055 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
1057 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
1058 * var-tracking.c: Include pointer-set.h.
1059 (variable): Change n_var_parts to char from int. Add
1060 cur_loc_changed and in_changed_variables fields.
1061 (variable_canonicalize): Remove.
1062 (shared_var_p): New inline function.
1063 (unshare_variable): Maintain cur_loc_changed and
1064 in_changed_variables fields. If var was in changed_variables,
1065 replace it there with new_var. Just copy cur_loc instead of
1066 resetting it to something else.
1067 (variable_union): Don't recompute cur_loc. Use shared_var_p.
1068 (dataflow_set_union): Don't call variable_canonicalize.
1069 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
1070 of their DEBUG_EXPR_TREE_DECLs.
1071 (canonicalize_loc_order_check): Verify that cur_loc is NULL
1072 and in_changed_variables and cur_loc_changed is false.
1073 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
1074 and cur_loc_changed. Don't update cur_loc here.
1075 (variable_merge_over_src): Don't call variable_canonicalize.
1076 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
1077 removing loc that is equal to cur_loc, clear cur_loc,
1078 set cur_loc_changed and ensure variable_was_changed is called.
1079 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
1080 compare pointers in cur_loc check, if it is equal to loc,
1081 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
1082 (variable_different_p): Remove compare_current_location argument,
1083 don't compare cur_loc.
1084 (dataflow_set_different_1): Adjust variable_different_p caller.
1085 (variable_was_changed): If dv had some var in changed_variables
1086 already, reset in_changed_variables flag for it and propagate
1087 cur_loc_changed over to the new variable. On empty var
1088 always set cur_loc_changed. Set in_changed_variables on whatever
1089 var is added to changed_variables.
1090 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
1091 Use shared_var_p. When removing loc that is equal to cur_loc,
1092 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
1093 end, don't set it to something else, just call variable_was_changed.
1094 (delete_slot_part): Use shared_var_p. When cur_loc equals to
1095 loc being removed, clear cur_loc and set cur_loc_changed.
1096 Set cur_loc_changed if all locations have been removed.
1097 (struct expand_loc_callback_data): New type.
1098 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
1099 allocated. Always create SUBREGs if simplify_subreg failed.
1100 Prefer to use cur_loc, when that fails and still in
1101 changed_variables (and seen first time) recompute it. Set
1102 cur_loc_changed of variables which had to change cur_loc and
1103 compute elcd->cur_loc_changed if any of the subexpressions used
1104 had to change cur_loc.
1105 (vt_expand_loc): Adjust to pass arguments in
1106 expand_loc_callback_data structure.
1107 (vt_expand_loc_dummy): New function.
1108 (emitted_notes): New variable.
1109 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
1110 that weren't used for any other decl in current
1111 emit_notes_for_changes call call vt_expand_loc_dummy to update
1112 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
1113 first loc_chain location if NULL before. Always use just
1114 cur_loc instead of first loc_chain location. When cur_loc_changed
1115 is false, when not --enable-checking=rtl just don't emit any note.
1116 When rtl checking, compute the note and assert it is the same
1117 as previous note. Clear cur_loc_changed and in_changed_variables
1118 at the end before removing from changed_variables.
1119 (check_changed_vars_3): New function.
1120 (emit_notes_for_changes): Traverse changed_vars to call
1121 check_changed_vars_3 on each changed var.
1122 (emit_notes_for_differences_1): Clear cur_loc_changed and
1123 in_changed_variables. Recompute cur_loc of new_var.
1124 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
1125 (vt_emit_notes): Initialize and destroy emitted_notes.
1127 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
1129 PR rtl-optimization/42220
1130 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
1131 Use verify_reg_tracked to determine if we should use OP_OUT rather
1133 (build_def_use): If we see an in-out operand for a register that we
1134 know nothing about, treat is an output if possible, fail the block if
1137 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
1140 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
1143 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
1146 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
1147 uses of relevant DEFs that are dead outside the loop too.
1149 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
1151 * var-tracking.c (dataflow_set_merge): Swap src and src2.
1153 2010-01-13 Jakub Jelinek <jakub@redhat.com>
1155 * var-tracking.c (values_to_unmark): New variable.
1156 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
1157 values_to_unmark vector. Moved body to...
1158 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
1159 instead queue it into values_to_unmark vector.
1160 (vt_find_locations): Free values_to_unmark vector.
1162 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
1164 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
1165 (site.exp): Export them when plugins are enabled.
1167 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
1170 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
1172 (chrec_fold_multiply): Same.
1174 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
1177 * c-decl.c (build_compound_literal): Return early if init is
1180 2010-03-04 Martin Jambor <mjambor@suse.cz>
1182 PR tree-optimization/43164
1183 PR tree-optimization/43191
1184 * tree-sra.c (type_consists_of_records_p): Reject records with
1185 zero-size bit-fields at the end.
1187 2010-03-04 Mike Stump <mikestump@comcast.net>
1189 * Makefile.in (TAGS): Remove *.y.
1191 2010-03-04 Richard Guenther <rguenther@suse.de>
1193 PR tree-optimization/40761
1194 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
1196 (my_rev_post_order_compute): New function.
1197 (init_pre): Call it.
1199 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
1202 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
1203 decrease the cost of an IV candidate when the cost is infinite.
1205 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1207 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
1208 Use '3DNow!' for the extension of that name, ensure normal space
1210 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
1212 2010-03-03 Jeff Law <law@redhat.com>
1214 * PR middle-end/32693
1215 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
1216 than gen_rtx_SUBREG.
1217 (extract_bit_field_1): Likewise.
1219 2010-03-03 Janis Johnson <janis187@us.ibm.com>
1221 * doc/sourcebuild.texi (Test directives): Document that arguments
1222 include-opts and exclude-opts are now optional for dg-skip-if,
1223 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
1225 2010-03-03 Jason Merrill <jason@redhat.com>
1228 * cgraph.h (varpool_node): Add extra_name field.
1229 * varpool.c (varpool_extra_name_alias): New.
1230 (varpool_assemble_decl): Emit extra name aliases.
1231 (varpool_mark_needed_node): Look past an extra name alias.
1232 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
1233 * lto-streamer-in.c (lto_input_tree): Read it.
1234 * lto-streamer-out.c (output_unreferenced_globals): Write it.
1236 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
1238 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
1239 (sparc*-*-solaris2*): ...this.
1241 2010-03-03 Jakub Jelinek <jakub@redhat.com>
1244 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
1245 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
1246 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
1247 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
1250 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
1251 fallthrough to default handling, just with want_address 0 instead of 2.
1252 For single element lists, add_AT_loc directly, otherwise create an
1253 artificial variable DIE and stick location list to it.
1256 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
1257 (VAL_EXPR_HAS_REVERSE): Define.
1258 (reverse_op): New function.
1259 (add_stores): For reversible operations add an extra MO_VAL_USE.
1261 2010-03-02 Jason Merrill <jason@redhat.com>
1263 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
1265 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
1267 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
1268 (sparc64-*-linux*): Likewise.
1269 (sparc64-*-solaris2*): Include assembler files before linker ones.
1270 (sparc-*-solaris2*): Simplify and reorder to match previous case.
1271 * config/sparc/gas.h: Delete.
1272 * config/sparc/sol2-64.h: Add copyright notice.
1273 * config/sparc/sol2-gas-bi.h: Likewise.
1274 * config/sparc/sol2-gld.h: Likewise.
1275 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
1276 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
1277 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
1278 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
1279 (sparc_elf_asm_named_section): Rename into...
1280 (sparc_solaris_elf_asm_named_section): ...this. Always define.
1282 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
1284 * config/alpha/alpha.c (override_options): Fix -mtune error message.
1286 2010-03-02 Jeff Law <law@redhat.com>
1289 * reload1.c (rtx_p, substitute_stack): Declare.
1290 (substitute): Record addresses of changed rtxs.
1291 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
1292 Restore the original rtx when complete.
1293 (reload): Free subsitute_stack when complete.
1295 2010-03-02 Janis Johnson <janis187@us.ibm.com>
1297 * doc/gccint.texi (menu): Add Testsuites as a chapter.
1298 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
1300 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
1301 LTO Testing, gcov Testing, profopt Testing, compat Testing,
1302 Torture Tests): Change from subsection to section.
1304 2010-03-02 Jakub Jelinek <jakub@redhat.com>
1305 Steven Bosscher <steven@gcc.gnu.org>
1307 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
1310 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
1313 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
1314 the assignment from the new induction variable to the assignment
1315 of the value from the original loop PHI function.
1317 2010-03-01 Janis Johnson <janis187@us.ibm.com>
1318 Daniel Jacobowitz <dan@codesourcery.com>
1320 * doc/sourcebuild.texi (Test directives): Clarify options to
1323 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1325 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
1326 Disable cfi directives unless GCC and gas agree on using read-only
1327 .eh_frame sections for 64-bit.
1328 * configure: Regenerate.
1330 2010-03-01 Richard Guenther <rguenther@suse.de>
1332 PR tree-optimization/43220
1333 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
1334 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
1336 2010-03-01 Richard Guenther <rguenther@suse.de>
1337 Martin Jambor <mjambor@suse.cz>
1340 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
1341 gimplified parameters.
1343 2010-03-01 Christian Bruel <christian.bruel@st.com>
1345 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
1347 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
1349 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
1351 2010-03-01 Richard Guenther <rguenther@suse.de>
1354 * expr.c (expand_assignment): Use the alias-oracle to tell
1355 if the rhs aliases the result decl.
1357 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1360 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
1361 to sol_gt_pch_get_address.
1362 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
1363 64-bit, SPARC and x86.
1364 (sol_gt_pch_get_address): New function.
1366 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
1368 * toplev.h (inform_n, error_n): Declare.
1369 * diagnostic.c (inform_n, error_n): New function.
1371 2010-03-01 Jakub Jelinek <jakub@redhat.com>
1373 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
1374 has no rtl yet when processing local_decls, queue it and recheck
1375 if deferred stack allocation hasn't assigned it rtl.
1377 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
1379 * config/sh/sh.c (unspec_bbr_uid): New.
1380 (gen_block_redirect): Use it instead of INSN_UID.
1381 (gen_far_branch): Likewise.
1383 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
1385 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
1386 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
1388 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1390 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
1391 (Warning Options): -Wno-conversion-null is valid for
1392 Objective-C++ as well.
1393 * doc/tm.texi (Named Address Spaces): Likewise.
1394 * doc/plugins.texi (Plugins): Replace TABs with spaces.
1395 * doc/tree-ssa.texi (Tree SSA): Likewise.
1397 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
1400 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
1401 by default. Don't set the default arch for
1402 i[34567]86-*-darwin*|x86_64-*-darwin*.
1404 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
1407 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
1408 default. Set the default 32bit/64bit archs with $with_arch
1409 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
1411 2010-02-27 Richard Guenther <rguenther@suse.de>
1413 PR tree-optimization/43186
1414 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
1415 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
1416 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
1417 unroller iterations.
1419 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
1421 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
1422 required and i[34567]86-*-* targets don't support 64bit ISA.
1424 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
1427 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
1430 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
1432 * config.gcc: Set the default arch at least to Prescott for
1433 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
1434 if SSE math is enabled.
1436 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
1438 * diagnostic.c (diagnostic_initialize): Update.
1439 (diagnostic_report_diagnostic): Test inhibit_notes_p for
1441 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
1442 (diagnostic_inhibit_notes): New.
1443 * toplev.c (process_options): inhibit notes with -fcompare-debug.
1445 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
1448 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
1449 * doc/standards.texi: Likewise.
1450 * doc/extend.texi: Likewise.
1451 * doc/trouble.texi: Likewise.
1452 * doc/cppopts.texi: Likewise.
1453 * doc/install.texi: Likewise.
1454 * c.opt (std=c90,std=gnu90): New options.
1455 * c-opts.c (c_common_handle_option): Handle them.
1457 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
1460 * c-decl.c (undeclared_variable): Use an informative note.
1462 2010-02-26 Richard Guenther <rguenther@suse.de>
1464 PR tree-optimization/43186
1465 * gimple.h (gimple_fold): Remove.
1466 * gimple.c (gimple_fold): Remove. Inline into single user ...
1467 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
1468 Try harder for conditions.
1470 2010-02-26 Jakub Jelinek <jakub@redhat.com>
1473 * function.c (used_types_insert): Don't skip through named pointer
1474 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
1475 and it is different from the main variant's type.
1477 2010-02-26 Nick Clifton <nickc@redhat.com>
1479 * config/rx/rx.md (sminsi3): Remove bogus alternative.
1481 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
1483 * config.gcc: Support --with-fpmath=sse for x86.
1485 * config/i386/ssemath.h: New.
1487 * doc/install.texi (--with-fpmath=sse): Documented.
1489 2010-02-26 Richard Guenther <rguenther@suse.de>
1491 PR tree-optimization/43188
1492 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
1493 vector types of over-aligned element type.
1495 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
1498 * config/i386/i386.c (expand_vec_perm_blend): Use correct
1499 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
1501 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
1503 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
1505 2010-02-26 Jakub Jelinek <jakub@redhat.com>
1507 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
1508 * var-tracking.c: Include diagnostic.h.
1509 (debug_dv): New function.
1510 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
1513 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
1514 (add_value_chain, add_value_chains, remove_value_chain,
1515 remove_value_chains): Handle DEBUG_EXPRs.
1516 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
1519 * regcprop.c (struct queued_debug_insn_change): New type.
1520 (struct value_data_entry): Add debug_insn_changes field.
1521 (struct value_data): Add n_debug_insn_changes field.
1522 (debug_insn_changes_pool): New variable.
1523 (free_debug_insn_changes, apply_debug_insn_changes,
1524 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
1525 (kill_value_one_regno): Call free_debug_insn_changes if needed.
1526 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
1528 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
1530 (copyprop_hardreg_forward_1): Don't call apply_change_group for
1531 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
1532 changes, call cprop_find_used_regs via note_stores.
1533 (copyprop_hardreg_forward): When copying vd from predecessor
1534 which has any queued DEBUG_INSN changes, make sure the pointers are
1535 cleared. At the end call df_analyze and then if there are any
1536 DEBUG_INSN changes queued at the end of some basic block for still
1537 live registers, apply them.
1538 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
1540 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
1542 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
1545 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
1547 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
1548 targets. Set the default with_cpu/with_arch from arch/cpu.
1549 Allow x86-64 and native for with_cpu/with_arch.
1551 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
1553 * ebitmap.c: Change calls to verify_popcount with calls to
1554 sbitmap_verify_popcount.
1555 (ebitmap_clear_bit): Fixed map->cacheindex test and
1556 map>cache update when bit clearing results in an empty
1559 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
1562 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
1563 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
1564 and support both V2DF and V2DI modes.
1565 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
1566 support both V2DF and V2DI modes.
1567 (general): Delete trailing whitespace from a few patterns.
1569 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1570 V2DF/V2DI interleave high/low builtins.
1572 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
1575 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
1576 interleave high/low functions.
1578 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
1580 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
1581 #pragma extern_prefix.
1583 2010-02-25 Jakub Jelinek <jakub@redhat.com>
1586 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
1587 BLKmode, assert op0 is a MEM and just adjust its mode.
1590 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
1591 if bitpos isn't multiple of mode's bitsize.
1593 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
1595 * c.opt (-ftemplate-depth=): New.
1596 (-ftemplate-depth-): Deprecate.
1597 * optc-gen.awk: Handle -ftemplate-depth=.
1598 * opth-gen.awk: Likewise.
1599 * c-opts.c (c_common_handle_option): Likewise.
1600 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
1602 2010-02-24 Jason Merrill <jason@redhat.com>
1604 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
1606 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1608 * cfg.c (alloc_aux_for_block): Remove inline.
1609 (alloc_aux_for_edge): Likewise.
1611 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1613 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
1615 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1617 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
1618 * config/i386/sol2-gas.h: New file.
1619 * config.gcc (i[34567]86-*-solaris2*): Use it.
1621 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
1624 * c-typeck.c (ep_convert_and_check): New.
1625 (build_conditional_expr): Use it.
1626 (build_binary_op): Likewise.
1628 2010-02-24 Jakub Jelinek <jakub@redhat.com>
1630 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
1633 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
1634 bounds even for -O+.
1635 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
1636 expr needs to have DECL_NAME set.
1638 2010-02-24 Nick Clifton <nickc@redhat.com>
1640 * config/mep/mep.c: Include gimple.h.
1641 (mep_function_uses_sp): Delete unused function.
1642 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
1643 parameters. Use unsigned integers to count args. Return a
1644 NULL_RTX instead of an error_mark_node. Toidy up formatting.
1646 2010-02-23 Jakub Jelinek <jakub@redhat.com>
1649 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
1650 greater or equal to nelt instead of 2 * nelt.
1651 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
1654 2010-02-23 Jason Merrill <jason@redhat.com>
1657 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
1658 in cfun->local_decls even if they have register types.
1661 * stor-layout.c (place_field): Don't warn about unnecessary
1662 DECL_PACKED if the type is packed.
1664 2010-02-23 Jakub Jelinek <jakub@redhat.com>
1667 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
1668 GOTOFF relocs, even when the base reg isn't pic pointer.
1670 2010-02-23 Michael Matz <matz@suse.de>
1673 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
1674 (expand_gimple_basic_block): Generate and use debug temps if there
1675 are debug uses left after the last real use of TERed ssa names.
1676 Unlink debug immediate uses when they are expanded.
1678 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1681 * config/i386/i386.c (override_options): Reorganise to provide
1682 better error messages.
1684 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1687 * graphite-scop-detection.c (create_single_exit_edge): Move
1688 the call to find_single_exit_edge to....
1689 (create_sese_edges): ...here. Don't handle multiple edges
1690 exiting the function.
1691 (build_graphite_scops): Don't handle multiple edges
1692 exiting the function.
1694 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1697 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
1698 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
1700 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1703 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
1705 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
1708 * c-typeck.c (convert_arguments): Print declaration location.
1709 * c-common.c (validate_nargs): Rename as
1710 builtin_function_validate_nargs.
1711 (check_builtin_function_arguments): Update.
1713 2010-02-22 Richard Guenther <rguenther@suse.de>
1716 * tree-inline.c (declare_return_variable): Use the type of
1717 the call stmt lhs if available.
1719 2010-02-22 Duncan Sands <baldrick@free.fr>
1721 * passes.c (register_pass): Always consider all pass lists when
1722 ref_pass_instance_number is zero.
1724 2010-02-22 Richard Guenther <rguenther@suse.de>
1726 PR tree-optimization/42749
1727 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
1728 parameter. Do arithmetic in the original type.
1729 (update_accumulator_with_ops): Likewise.
1730 (adjust_accumulator_values): Adjust.
1732 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1734 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
1735 (QI to BLKmode splitter): New splitter.
1737 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
1739 * config/i386/i386.c (initial_ix86_tune_features): Turn on
1740 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
1742 2010-02-22 Richard Guenther <rguenther@suse.de>
1744 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
1746 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
1748 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
1749 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
1750 ($(T)crti.o, $(T)crtn.o): Remove rules.
1752 2010-02-21 Tobias Burnus <burnus@net-b.de>
1755 * doc/invoke.texi (-fassociative-math): Document that this
1756 option is automatically enabled for Fortran.
1758 2010-02-20 David S. Miller <davem@davemloft.net>
1760 * configure.ac: Test if linker and assembler properly support
1761 GOTDATA_OP relocations.
1762 * configure: Rebuild.
1763 * config.in: Likewise.
1764 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
1765 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
1766 (movsi_high_pic): Likewise.
1767 (movdi_lo_sum_pic): Likewise.
1768 (movdi_high_pic): Likewise.
1769 (movsi_pic_gotdata_op): New pattern.
1770 (movdi_pic_gotdata_op): Likewise.
1771 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
1772 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
1774 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
1777 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
1778 attribute to ssemul.
1779 (xop_mulv2div2di3_high): Ditto.
1781 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
1784 * c.opt (Wconversion-null): New option.
1785 * doc/invoke.texi (Wconversion-null): Document.
1787 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
1789 * common.opt (Wlarger-than-): Add Undocumented.
1791 2010-02-19 Mike Stump <mikestump@comcast.net>
1793 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
1795 2010-02-19 Jason Merrill <jason@redhat.com>
1798 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
1799 * configure: Likewise.
1801 2010-02-20 Alan Modra <amodra@gmail.com>
1804 * cgraph.h (cgraph_make_decl_local): Declare.
1805 * cgraph.c (cgraph_make_decl_local): New function.
1806 (cgraph_make_node_local): Use it.
1807 * cgraphunit.c (cgraph_function_versioning): Likewise.
1808 * ipa.c (function_and_variable_visibility): Likewise.
1810 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1813 * except.c (sjlj_emit_function_enter): Don't call
1814 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
1816 * rtl.h (add_reg_br_prob_note): Remove prototype.
1818 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
1821 * c-common.c (conversion_warning): Remove widening conversions
1822 before checking the conversion of integers to reals.
1824 2010-02-19 Mike Stump <mikestump@comcast.net>
1827 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
1830 * cgraphunit.c (process_function_and_variable_attributes): Check
1831 DECL_PRESERVE_P instead of looking up attribute "used".
1832 * ipa-pure-const.c (check_decl): Likewise.
1833 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
1834 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
1835 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
1836 instead of attribute "used".
1837 * config/sol2-c.c (solaris_pragma_init): Likewise.
1838 (solaris_pragma_fini): Likewise.
1840 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1842 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
1843 Use XCNEW instead of xcalloc.
1844 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
1845 XNEW instead of xmalloc.
1846 (get_fields): Use XNEWVEC instead of xmalloc.
1849 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
1850 populate vars array.
1851 (create_new_general_access): For debug stmts just reset value.
1852 (get_stmt_accesses): For accesses within debug stmts just record them
1853 using add_access_to_acc_sites instead of preventing the peeling or
1854 counting them as accesses.
1857 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
1859 2010-02-19 Richard Guenther <rguenther@suse.de>
1861 PR tree-optimization/42916
1862 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
1865 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
1867 * configure.ac: Replace all uses of changequote in macro arguments
1868 with proper quoting.
1870 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1873 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
1875 2010-02-19 Richard Guenther <rguenther@suse.de>
1877 PR tree-optimization/42944
1878 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
1879 test for aliasing with errno.
1881 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1884 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
1885 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
1886 * dojump.c: Include output.h.
1887 (inv): New inline function.
1888 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
1889 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
1890 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
1891 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
1892 argument, pass it down to other calls.
1893 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
1894 add REG_BR_PROB note to the conditional jump.
1895 * cfgexpand.c (add_reg_br_prob_note): Removed.
1896 (expand_gimple_cond): Don't call it, add the probability
1897 as last argument to jumpif_1/jumpifnot_1.
1898 * Makefile.in (dojump.o): Depend on output.h.
1899 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
1901 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
1902 * stmt.c (do_jump_if_equal): Likewise.
1903 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
1904 * loop-unswitch.c (compare_and_jump_seq): Likewise.
1905 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
1907 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
1908 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
1909 jumpifnot_1 callers.
1910 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
1912 (store_expr): Adjust jumpifnot caller.
1913 (store_constructor): Adjust jumpif caller.
1916 * gimplify.c (gimple_boolify): For __builtin_expect call
1917 gimple_boolify also on its first argument.
1919 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
1921 * configure.ac (gnu-unique-object): Wrap regexps using [] in
1923 (__stack_chk_fail): Ditto. Remove quadrigraphs.
1924 * configure: Regenerated.
1926 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1928 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
1929 lang_hooks.types_compatible_p instead of comptypes.
1931 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
1933 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
1934 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
1935 if __prefer_thumb__ is defined.
1937 2010-02-18 Martin Jambor <mjambor@suse.cz>
1939 PR tree-optimization/43066
1940 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
1941 array with zero-sized element type.
1943 2010-02-18 Jakub Jelinek <jakub@redhat.com>
1945 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
1946 rtx, allocate struct var_loc_node here and return it to the
1947 caller, and only if it is actually needed.
1948 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
1949 move it earlier and return immediately if it returns NULL.
1951 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
1953 * config/sparc/gas.h: New file. Restore
1954 TARGET_ASM_NAMED_SECTION to its ELF default.
1955 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
1957 * config/sparc/sparc.c (sparc_elf_asm_named_section):
1958 Likewise. Add ATTRIBUTE_UNUSED to prototype.
1959 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
1960 after sparc/sysv4.h.
1962 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
1964 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
1966 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
1968 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
1969 patterns from predicated pattern.
1971 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
1974 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
1975 for insn mnemonic suffix.
1977 2010-02-17 Richard Guenther <rguenther@suse.de>
1979 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
1982 2010-02-17 Jakub Jelinek <jakub@redhat.com>
1985 * caller-save.c (save_call_clobbered_regs): If BB ends with
1986 a DEBUG_INSN, move any notes in between last real insn and the last
1987 DEBUG_INSN after the last DEBUG_INSN.
1989 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
1991 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
1992 Fix return type. Fix argument type. Explain meaning of return value.
1994 2010-02-16 Richard Guenther <rguenther@suse.de>
1996 PR tree-optimization/41043
1997 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
1998 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
2000 (vrp_visit_phi_node): ... but only for loop PHI nodes.
2002 2010-02-16 Ira Rosen <irar@il.ibm.com>
2004 PR tree-optimization/43074
2005 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
2006 * tree-vect-loop.c (vect_analyze_loop_operations): Add
2007 vectorizable cycles in hybrid SLP check.
2008 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
2010 2010-02-16 Richard Guenther <rguenther@suse.de>
2012 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
2013 (true_dependence): If memrefs_conflict_p computes must-alias
2014 trust it. Move TBAA check after offset-based disambiguation.
2015 (canon_true_dependence): Likewise.
2017 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
2019 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
2020 * doc/invoke.texi: Document it.
2021 * var-tracking.c: Include toplev.h and params.h.
2022 (vt_find_locations): Return bool indicating success. Compute
2023 hash sizes unconditionally. Check new parameter, report.
2024 (variable_tracking_main_1): Check vt_find_locations results and
2025 retry. Renamed from...
2026 (variable_tracking_main): ... this. New wrapper to preserve
2027 flag_var_tracking_assignments.
2028 * Makefile.in (var-tracking.o): Adjust dependencies.
2030 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
2031 Jakub Jelinek <jakub@redhat.com>
2034 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
2035 if weak_import attribute is present.
2036 * config/darwin.c (machopic_select_section): Likewise.
2038 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
2040 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
2041 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
2042 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
2043 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
2045 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
2048 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2051 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
2052 Rewrite text to refer to the names.
2054 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
2056 * config/i386/i386-builtin-types.def
2057 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
2058 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
2059 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
2060 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
2061 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
2062 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
2063 IX86_BUILTIN_VPERMIL2PS256.
2064 (MULTI_ARG_4_DF2_DI_I): Defined.
2065 (MULTI_ARG_4_DF2_DI_I1): Defined.
2066 (MULTI_ARG_4_SF2_SI_I): Defined.
2067 (MULTI_ARG_4_SF2_SI_I1): Defined.
2068 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
2069 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
2070 __builtin_ia32_vpermil2ps256.
2071 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
2072 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
2073 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
2074 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
2075 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
2076 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
2077 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
2078 CODE_FOR_xop_vpermil2v8sf3.
2079 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
2080 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
2081 * config/i386/xopintrin.h (_mm_permute2_pd): New.
2082 (_mm256_permute2_pd): New.
2083 (_mm_permute2_ps): New.
2084 (_mm256_permute2_ps): New.
2086 2010-02-15 Nick Clifton <nickc@redhat.com>
2088 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
2089 boolean parameters. Use emit_jump_insn when emitting a pop
2090 instruction containing a return insn.
2091 (push): Use 'true' rather than '1' as second parameter to F.
2092 (h8300_expand_prologue): Likewise.
2093 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
2094 (h8300_expand_epilogue): Likewise.
2096 2010-02-15 Richard Guenther <rguenther@suse.de>
2099 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
2102 2010-02-15 Nick Clifton <nickc@redhat.com>
2104 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
2107 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
2109 * intl.c (fake_ngettext): New function.
2110 * intl.h (fake_ngettext): Declare.
2111 (ngettext): Define macro.
2112 * collect2.c (notice_translated): New function.
2113 (main): Use notice_translated and ngettext.
2114 * collect2.h (notice_translated): Declare.
2116 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
2118 * reorg.c (delete_computation): Comment fixes.
2119 * caller-save.c (setup_save_areas): Idem.
2120 * sel-sched-dump.c (dump_lv_set): Idem.
2123 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2125 * config/s390/s390.c (s390_sched_init): New function.
2126 (TARGET_SCHED_INIT): Target hook defined.
2128 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
2129 Jack Howarth <howarth@bromo.med.uc.edu>
2130 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2133 Partial revert of unintended change in fix for PR41605.
2134 * config/darwin.h: Fix typo.
2135 * config/darwin9.h: Same.
2137 2010-02-11 Jakub Jelinek <jakub@redhat.com>
2139 * c-pch.c (pch_init): Clear v.
2141 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
2144 * graphite-scop-detection.c (graphite_can_represent_scev): Call
2145 graphite_can_represent_init for MULT_EXPR.
2147 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
2151 * graphite-sese-to-poly.c (remove_phi): New.
2152 (translate_scalar_reduction_to_array): Call remove_phi.
2154 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
2157 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
2158 * graphite-clast-to-gimple.h (gloog): Update declaration.
2159 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
2160 * graphite-poly.h (struct poly_bb): Add missing comments.
2161 (struct scop): Add poly_scop_p field.
2163 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
2164 * graphite.c (graphite_transform_loops): Build the polyhedral
2165 representation for each scop before code generation.
2166 * sese.c (rename_variables_in_operand): Removed.
2167 (rename_variables_in_expr): Return the renamed expression.
2168 (rename_sese_parameters): New.
2169 * sese.h (rename_sese_parameters): Declared.
2171 2010-02-11 Richard Guenther <rguenther@suse.de>
2173 PR tree-optimization/42998
2174 * tree-ssa-pre.c (create_expression_by_pieces): Treat
2175 POINTER_PLUS_EXPR properly.
2177 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
2178 Changpeng Fang <changpeng.fang@amd.com>
2181 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
2182 the cost of an IV candidate when the IV is used in a test against zero.
2184 * gcc.dg/tree-ssa/ivopts-3.c: New.
2186 2010-02-11 Richard Guenther <rguenther@suse.de>
2189 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
2190 pointer-vs-decl case by swapping refs. Handle some cases
2191 of pointer-vs-decl disambiguations more conservatively.
2192 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
2193 to false after expanding.
2195 2010-02-11 Richard Guenther <rguenther@suse.de>
2198 * gcc.c (process_command): Handle LTO file@offset case more
2201 2010-02-11 Jakub Jelinek <jakub@redhat.com>
2203 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
2204 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
2206 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
2208 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
2209 if MEM's mode size isn't DWARF2_ADDR_SIZE.
2210 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
2211 Optimize eq/ne comparisons when both arguments are known to be
2213 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
2214 Don't mask operands unnecessarily if they are known to be already
2217 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
2219 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
2222 2010-02-10 Richard Guenther <rguenther@suse.de>
2224 PR tree-optimization/43017
2225 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
2226 for wrapping signed arithmetic.
2228 2010-02-10 Jakub Jelinek <jakub@redhat.com>
2231 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
2232 if no debug info should be emitted for it.
2234 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
2236 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
2237 note when flag_exceptions is set.
2239 2010-02-10 Duncan Sands <baldrick@free.fr>
2241 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
2243 2010-02-10 Richard Guenther <rguenther@suse.de>
2246 * tree.c (get_unwidened): Handle constants.
2247 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
2249 2010-02-10 Martin Jambor <mjambor@suse.cz>
2252 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
2253 check for variable argument counts independently.
2255 2010-02-10 Christian Bruel <christian.bruel@st.com>
2258 * config/sh/sh.c (find_barrier): Increase length for non delayed
2259 conditional branches.
2261 2010-02-10 Christian Bruel <christian.bruel@st.com>
2263 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
2265 2010-02-10 Jakub Jelinek <jakub@redhat.com>
2267 * builtins.c (set_builtin_user_assembler_name): Also handle
2268 ffs if int is smaller than word.
2270 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
2273 * ira-conflicts.c (get_dup): Remove.
2274 (process_reg_shuffles): Add new parameter. Use it as an
2275 additional guard for copy generation.
2276 (add_insn_allocno_copies): Rewrite.
2278 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
2280 * common.opt (fsched2-use-traces): Preserved for backward
2282 * doc/invoke.texi: Remove the documentation about option
2283 -fsched2-use-traces.
2284 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
2285 flag_sched2_use_traces.
2286 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
2287 the backward compatibility flag section.
2289 2010-02-09 Richard Guenther <rguenther@suse.de>
2291 PR tree-optimization/43008
2292 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
2293 make HEAP variables initialized from global memory if they
2294 are not known builtin functions.
2295 (find_func_aliases): Adjust.
2297 2010-02-09 Richard Guenther <rguenther@suse.de>
2299 PR tree-optimization/43000
2300 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
2301 arithmetic manually.
2303 2010-02-08 Jakub Jelinek <jakub@redhat.com>
2305 PR tree-optimization/42931
2306 * tree-loop-linear.c (try_interchange_loops): Don't call
2307 double_int_mul if estimated_loop_iterations failed.
2309 2010-02-08 Martin Jambor <mjambor@suse.cz>
2312 * tree-sra.c (build_accesses_from_assign): Do not mark in
2313 should_scalarize_away_bitmap if stmt has volatile ops.
2314 (sra_modify_assign): Do not process assigns piecemeal if if stmt
2317 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
2319 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
2321 2010-02-07 Adam Nemet <adambnmet@gmail.com>
2323 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
2326 2010-02-07 Andrew Pinski <pinskia@gmail.com>
2329 * df-core.c (df_finish_pass): Change type of saved_flags to int.
2331 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
2334 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
2335 to unknown_dependence.
2336 (graphite_legal_transform_dr): Handle the unknown_dependence.
2337 (graphite_carried_dependence_level_k): Same.
2339 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
2341 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
2343 2010-02-07 Richard Guenther <rguenther@suse.de>
2346 * expr.c (get_inner_reference): Always initialize *pbitsize.
2348 2010-02-07 Richard Guenther <rguenther@suse.de>
2351 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
2352 new ARRAY_REFs on variable size element or minimal index arrays.
2354 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
2355 gimple_fold_indirect_ref.
2357 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
2360 * arm.c (arm_override_options): Just return if the user has specified
2361 an invalid fpu name.
2363 2010-02-03 Jason Merrill <jason@redhat.com>
2366 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
2367 i386_pe_maybe_record_exported_symbol.
2369 2010-02-05 Steve Ellcey <sje@cup.hp.com>
2372 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
2373 (pa_delegitimize_address): New function.
2375 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
2377 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
2378 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
2380 2010-02-05 Richard Guenther <rguenther@suse.de>
2383 * lto-streamer-in.c (get_resolution): Deal with references
2384 to undefined functions.
2386 2010-02-05 Richard Guenther <rguenther@suse.de>
2388 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
2389 (fold_const_aggregate_ref): Likewise.
2390 (ccp_fold_stmt): Substitute loads.
2391 (maybe_fold_reference): Verify types before substituting.
2393 (fold_gimple_assign): Unshare properly.
2394 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
2396 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
2398 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
2399 for rs6000_gen_cell_microcode.
2401 2010-02-04 Richard Guenther <rguenther@suse.de>
2403 PR rtl-optimization/42952
2404 * dse.c (const_or_frame_p): Remove MEM handling.
2406 2010-02-04 Nick Clifton <nickc@redhat.com>
2408 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
2409 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
2410 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
2411 (mn10300_asm_output_mi_thunk): New function.
2412 (mn10300_can_output_mu_thunk): New function.
2413 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
2414 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
2415 (FUNCTION_ARG): Delete incorrect comment.
2417 2010-02-03 Jason Merrill <jason@redhat.com>
2420 * fold-const.c (operand_equal_p): Handle erroneous types.
2422 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2424 * config/h8300/h8300.md (can_delay): Fix attibute condition.
2426 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
2428 PR rtl-optimization/42941
2429 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
2432 2010-02-03 Jason Merrill <jason@redhat.com>
2435 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
2437 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
2440 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
2441 (cselib_reset_table): Renamed from...
2442 (cselib_reset_table_with_next_value): ... this.
2443 (cselib_get_next_uid): Renamed from...
2444 (cselib_get_next_unknown_value): ... this.
2445 * cselib.c (next_uid): Renamed from...
2446 (next_unknown_value): ... this.
2447 (cselib_clear_table): Adjust.
2448 (cselib_reset_table): Adjust. Renamed from...
2449 (cselib_reset_table_with_next_value): ... this.
2450 (cselib_get_next_uid): Adjust. Renamed from...
2451 (cselib_get_next_unknown_value): ... this.
2452 (get_value_hash): Use hash.
2453 (cselib_hash_rtx): Likewise.
2454 (new_cselib_val): Adjust. Set and dump uid.
2455 (cselib_lookup_mem): Pass next_uid as hash.
2456 (cselib_subst_to_values): Likewise.
2457 (cselib_log_lookup): Dump uid.
2458 (cselib_lookup): Pass next_uid as hash. Adjust.
2459 (cselib_process_insn): Adjust.
2460 (cselib_init): Initialize next_uid.
2461 (cselib_finish): Adjust.
2462 (dump_cselib_table): Likewise.
2463 * dse.c (canon_address): Dump value uid.
2464 * print-rtl.c (print_rtx): Print value uid.
2465 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
2467 (dv_uid): New function, sort of renamed from...
2468 (dv_htab_hash): ... this, reimplemented in terms of it and...
2469 (dv_uid2hash): ... this. New.
2470 (variable_htab_eq): Drop excess assertions.
2471 (tie_break_pointers): Removed.
2472 (canon_value_cmp): Compare uids.
2473 (variable_post_merge_New_vals): Print uids.
2474 (vt_add_function_parameters): Adjust.
2475 (vt_initialize): Reset table. Adjust.
2477 2010-02-03 Richard Guenther <rguenther@suse.de>
2479 PR tree-optimization/42944
2480 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
2481 (call_may_clobber_ref_p_1): Likewise. Properly handle
2482 malloc and calloc clobbering errno.
2484 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
2486 * doc/invoke.texi: Fix name of sched1 dump.
2488 * opts.c (decode_options): Set flag_tree_switch_conversion
2489 only conditionally on optimize >= 2.
2491 * gcse.c: Assorted comment fixes in pass description.
2493 2010-02-03 Anthony Green <green@moxielogic.com>
2495 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
2496 nop padding in order to maintain alignment of storage location of
2497 target function address.
2498 (moxie_trampoline_init): Store target function address at newly
2500 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
2502 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
2504 2010-02-03 Richard Guenther <rguenther@suse.de>
2507 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
2509 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2511 * config.gcc: Reenable check for obsolete targets.
2512 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
2513 mips-sgi-irix6.[0-4]*.
2515 2010-02-02 Nick Clifton <nickc@redhat.com>
2517 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
2518 constant size of 4 as being the same as 0.
2519 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
2520 can take values in the range 0..4.
2522 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
2525 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
2526 as _darwin10_Unwind_FindEnclosingFunction().
2527 * libgcc-libsystem.ver: New.
2529 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
2532 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
2533 implicitly set registers.
2535 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
2537 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
2538 (arm_override_options): Allow automatic selection of the thread
2539 pointer register if thumb2.
2540 (legitimize_pic_address): Improve code sequences for Thumb2.
2541 (arm_call_tls_get_addr): Likewise.
2542 (legitimize_tls_address): Likewise.
2543 * arm.md (pic_load_addr_arm): Delete. Replace with ...
2544 (pic_load_addr_32bit): ... this. New named pattern.
2545 * thumb2.md (pic_load_addr_thumb2): Delete.
2546 (pic_load_dot_plus_four): Delete.
2547 (tls_load_dot_plus_four): New named pattern.
2549 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2552 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
2553 Document fix for TLS bug.
2555 2010-01-31 Richard Guenther <rguenther@suse.de>
2557 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
2558 conservatively correct.
2560 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2564 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2566 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
2568 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2570 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
2572 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
2574 * config.gcc: Adjust order of makefile fragments for mingw targets.
2576 2010-01-31 Richard Guenther <rguenther@suse.de>
2579 * gimplify.c (gimplify_init_constructor): For volatile LHS
2580 initialize a temporary.
2582 2010-01-31 Matthias Klose <doko@ubuntu.com>
2584 * configure.ac: Fix __stack_chk_fail check for cross builds configured
2586 * configure: Regenerate.
2588 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
2590 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
2591 the same alias set and their sizes different constantness.
2592 (aliasing_component_refs_p): Revert 2009-10-24 change.
2594 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2596 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
2599 2010-01-29 Richard Guenther <rguenther@suse.de>
2601 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
2602 Assert we successfully updated the call.
2604 2010-01-29 Jakub Jelinek <jakub@redhat.com>
2606 PR rtl-optimization/42889
2607 * df.h (df_set_bb_dirty_nonlr): New prototype.
2608 * df-core.c (df_set_bb_dirty_nonlr): New function.
2609 * df-scan.c (df_insn_rescan): Call it instead of
2610 df_set_bb_dirty for DEBUG_INSNs.
2612 2010-01-29 Richard Guenther <rguenther@suse.de>
2615 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
2616 quadratic behavior in most cases.
2618 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
2621 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
2622 in the call to gen_x86_movsicc_0_m1.
2624 2010-01-28 Richard Guenther <rguenther@suse.de>
2626 PR tree-optimization/42871
2627 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
2629 2010-01-28 Richard Guenther <rguenther@suse.de>
2631 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
2632 into call arguments.
2634 2010-01-28 Richard Guenther <rguenther@suse.de>
2637 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
2638 the forwarder if the destination is an EH landing pad.
2640 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
2642 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
2643 block list passed to gimple_duplicate_sese_tail.
2644 (parallelize_loops): Avoid parallelization when the function
2646 Avoid parallelization when the preheader is IRREDUCIBLE.
2647 Try to optimize when estimated_loop_iterations_int is unresolved.
2648 Add the loop's location to the dump file.
2649 * tree-cfg.c (add_phi_args_after_redirect): Remove.
2650 (gimple_duplicate_sese_tail): Remove the check for the latch.
2651 Redirect nexits to the exit block.
2652 Remove handling of the incoming edges to the latch.
2653 Redirect the backedge from the copied latch to the exit bb.
2655 2010-01-28 Michael Matz <matz@suse.de>
2658 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
2659 Wrap force_reg into a sequence, emit it before user.
2661 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
2663 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
2665 (arm_legacy_rev): Likewise.
2666 (thumb_legacy_rev): Likewise.
2668 2010-01-27 Jakub Jelinek <jakub@redhat.com>
2670 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
2671 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
2672 on MEM's address failed, try avoid_constant_pool_reference and
2673 recurse if it returned something different.
2674 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
2675 address, try avoid_constant_pool_reference and recurse if it
2676 returned something different.
2677 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
2678 address and avoid_constant_pool_reference returned something
2679 different, don't set have_address.
2681 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
2684 * var-tracking.c (val_store): Add modified argument, obey it.
2686 (count_uses): Move down logging of main.
2687 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
2688 don't need resolution.
2689 (emit_notes_in_bb): Likewise.
2691 2010-01-27 Richard Guenther <rguenther@suse.de>
2694 * tree-inline.c (remap_decl): Delay remapping of SSA name
2695 default definitions until we need them.
2697 2010-01-27 Jakub Jelinek <jakub@redhat.com>
2699 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
2700 (rs6000_delegitimize_address): New function.
2702 * config/s390/s390.c (s390_delegitimize_address): Call
2703 delegitimize_mem_from_attrs.
2706 * tree-inline.c (cannot_copy_type_1): Removed.
2707 (copy_forbidden): Don't forbid copying of functions containing
2708 records/unions with variable length fields.
2710 2010-01-27 Christian Bruel <christian.bruel@st.com>
2714 * config/sh/sh.c (find_barrier): Increase length for non delayed
2715 conditional branches.
2717 2010-01-27 Matthias Klose <doko@ubuntu.com>
2719 * configure.ac (gnu-unique-object): Fix ldd version check.
2720 * configure: Regenerate.
2722 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2724 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
2726 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
2727 Test for HAVE_GNU_AS value.
2729 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2731 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
2732 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
2733 INT64_TYPE): Define.
2734 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
2735 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2736 INT_LEAST64_TYPE): Define.
2737 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
2738 UINT_LEAST64_TYPE): Define.
2739 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
2740 INT_FAST64_TYPE): Define.
2741 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2742 UINT_FAST64_TYPE): Define.
2743 (INTMAX_TYPE, UINTMAX_TYPE): Define.
2744 (INTPTR_TYPE, UINTPTR_TYPE): Define.
2745 (SIG_ATOMIC_TYPE): Define.
2747 2010-01-26 Richard Guenther <rguenther@suse.de>
2749 * df-scan.c (df_scan_set_bb_info): Remove assert.
2750 (df_insn_rescan_debug_internal): Merge asserts.
2751 (df_install_ref): Likewise.
2752 (df_mark_reg): Use bitmap_set_range.
2753 (df_hard_reg_used_p): Remove assert.
2754 (df_hard_reg_used_count): Likewise.
2756 2010-01-26 Richard Guenther <rguenther@suse.de>
2758 PR rtl-optimization/42685
2759 * web.c (web_main): Ignore DEBUG_INSNs.
2761 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
2763 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
2765 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
2766 Fix types of fndecl and arglist parameters.
2768 2010-01-26 Richard Guenther <rguenther@suse.de>
2771 * tree-eh.c (unsplit_eh): Skip debug insns.
2773 2010-01-26 Richard Guenther <rguenther@suse.de>
2775 PR tree-optimization/42250
2776 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
2778 2010-01-26 Jakub Jelinek <jakub@redhat.com>
2781 * omp-low.c (expand_omp_sections): Only use single_pred if
2782 l2_bb is single_pred_p.
2784 2010-01-25 Christian Bruel <christian.bruel@st.com>
2787 * config/sh/sh.c (find_barrier): Increase length for non delayed
2788 conditional branches.
2789 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
2791 2010-01-24 David S. Miller <davem@davemloft.net>
2793 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
2794 define if not using GAS.
2795 * config/sparc/sparc.c (sparc_elf_asm_named_section):
2796 Likewise. Delete SECTION_MERGE code, which is only applicable
2799 2010-01-24 Mark Mitchell <mark@codesourcery.com>
2802 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
2803 mangling of va_list in system headers.
2805 2010-01-23 Toon Moene <toon@moene.org>
2807 * tree-predcom.c (combine_chains): Return NULL, not false.
2809 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
2811 * tree-loop-distribution.c (distribute_loop): Fix declaration and
2812 initialization of variable res to agree with return type.
2814 2010-01-22 Steve Ellcey <sje@cup.hp.com>
2816 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
2817 * tree-sra.c: Add include of expr.h.
2819 2010-01-22 Jakub Jelinek <jakub@redhat.com>
2821 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
2822 insert the debug stmt on the single non-EH edge from the stmt.
2824 2010-01-22 Richard Henderson <rth@redhat.com>
2827 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
2828 the RHS until after generate_subtree_copies has insertted its
2829 code before the current statement.
2831 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
2833 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
2835 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
2837 2010-01-21 Martin Jambor <mjambor@suse.cz>
2839 PR tree-optimization/42585
2840 * tree-sra.c (struct access): New field grp_total_scalarization.
2841 (dump_access): Dump the new field.
2842 (should_scalarize_away_bitmap): New variable.
2843 (cannot_scalarize_away_bitmap): Likewise.
2844 (sra_initialize): Allocate new bitmaps.
2845 (sra_deinitialize): Free new bitmaps.
2846 (create_access_1): New function.
2847 (create_access): Parts moved to create_access_1.
2848 (type_consists_of_records_p): New function.
2849 (completely_scalarize_record): Likewise.
2850 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
2851 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
2852 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
2854 (analyze_all_variable_accesses): Completely scalarize small eligible
2857 2010-01-21 Martin Jambor <mjambor@suse.cz>
2859 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
2861 2010-01-21 Andrew Haley <aph@redhat.com>
2863 * gcc.c (process_command): Move lang_specific_driver before
2864 setting cc_libexec_prefix.
2866 2010-01-21 Richard Guenther <rguenther@suse.de>
2869 * fold-const.c (negate_expr_p): Pretend only negative
2870 real constants are easily negatable.
2872 2010-01-20 Janis Johnson <janis187@us.ibm.com>
2873 Jason Merrill <jason@redhat.com>
2875 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
2876 (TYPE_TRANSPARENT_AGGR): this, for union and record.
2877 * calls.c (initialize argument_information): Handle it.
2878 * c-common.c (handle_transparent_union_attribute): Use new name.
2879 * c-decl.c (finish_struct): Ditto.
2880 * c-typeck.c (type_lists_compatible_p): Ditto.
2881 (convert_for_assignment): Use new name and also handle record.
2882 * function.c (aggregate_value_p): Handle it.
2883 (pass_by_reference): Ditto.
2884 (assign_parm_data_types): Ditto.
2885 * print-tree.c (print_node): Ditto.
2886 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
2887 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
2888 * tree.c (first_field): New fn.
2890 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2893 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
2894 even when linking statically, for now.
2896 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
2899 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
2900 without a cselib val.
2901 (count_uses): Accept MO_VAL_SET with no val on stores.
2902 (add_stores): Likewise.
2904 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2906 * var-tracking.c (check_value_val): Add a compile time assertion.
2907 (dv_is_decl_p): Simplify.
2908 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
2909 gcc_assert if ENABLE_CHECKING.
2911 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
2914 * var-tracking.c: Include tree-flow.h.
2915 (mem_dies_at_call): New.
2916 (dataflow_set_preserve_mem_locs): Use it.
2917 (dataflow_set_remove_mem_locs): Likewise.
2918 (dump_var): Renamed from dump_variable. Adjust all callers.
2919 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
2920 * Makefile.in (var-tracking.o): Adjust deps.
2922 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
2924 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
2926 2010-01-20 Richard Guenther <rguenther@suse.de>
2928 PR tree-optimization/42717
2929 * tree-ssa-dce.c (get_live_post_dom): Remove.
2930 (forward_edge_to_pdom): Take an arbitrary edge to copy
2931 degenerate PHI args from.
2932 (remove_dead_stmt): Use the first post-dominator even if it
2933 does not contain live statements as redirection destination.
2935 2010-01-20 Richard Guenther <rguenther@suse.de>
2937 * tree-inline.c (estimate_num_insns): Handle EH builtins.
2939 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2941 * sel-sched.c (create_speculation_check): Remove set but not used
2943 (try_transformation_cache): Remove set but not used variable ds.
2944 (calculate_privileged_insns): Remove set but not used variables
2945 cur_insn and min_spec_insn.
2946 (find_best_expr): Remove set but not used variable avail_n.
2947 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
2949 * cgraphunit.c (assemble_thunk): Remove set but not used variable
2951 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
2952 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
2955 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
2958 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
2959 cpu types. Add support for *-sse3 cpu types.
2960 (x86_64-*-*): Ditto.
2962 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2965 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
2966 argument, call initializer_constant_valid_p_1 instead of
2967 initializer_constant_valid_p, pass CACHE to it, return NULL
2968 immediately if first call returns NULL.
2969 (initializer_constant_valid_p_1): New function.
2970 (initializer_constant_valid_p): Use it.
2972 2010-01-20 Thomas Quinot <quinot@adacore.com>
2974 * tree.def (PLACEHOLDER_EXPR): Fix comment.
2976 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2978 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
2979 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
2980 (loc_list_from_tree): Don't handle unsigned division. Handle
2981 signed modulo using DW_OP_{over,over,div,mul,minus}.
2982 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
2983 modulo instead of signed.
2985 2010-01-20 DJ Delorie <dj@redhat.com>
2987 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
2989 (h8300_emit_stack_adjustment): Propogate it.
2991 (h8300_expand_prologue): Likewise.
2992 (h8300_expand_epilogue): Likewise.
2994 2010-01-19 Michael Matz <matz@suse.de>
2996 PR tree-optimization/41783
2997 * tree-data-ref.c (toplevel): Include flags.h.
2998 (dump_data_dependence_relation): Also dump the inputs if the
2999 result will be unknown.
3000 (split_constant_offset_1): Look through some conversions.
3001 * tree-predcom.c (determine_roots_comp): Restart a new chain if
3002 the offset from last element is too large.
3003 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
3004 (reassociate_to_the_same_stmt): Handle vector registers.
3005 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
3007 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
3008 wide_prolog_niters argument, emit widening instructions.
3009 (vect_do_peeling_for_alignment): Adjust caller, use widened
3010 variant of the iteration cound.
3011 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
3013 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3016 * config/arm/neon-testgen.m (emit_automatics): New parameter
3017 features. Adjust for Fixed_return_reg feature.
3018 (test_intrinsic): Call emit_automatics with new feature.
3019 * config/arm/neon.ml: Update copyright years.
3020 (features): New Fixed_return_reg feature.
3021 (ops): Update feature for Vget_low.
3023 2010-01-19 Jakub Jelinek <jakub@redhat.com>
3025 PR tree-optimization/42719
3026 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
3030 * fwprop.c (all_uses_available_at): Return false if def_set dest
3031 is a REG that is used in def_insn.
3033 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
3035 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
3037 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
3040 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
3042 * target.h (struct gcc_target) <secondary_reload>: Change type
3043 of last argument to secondary_reload_info *.
3045 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
3048 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
3049 memory references with unaligned offsets. Remove CQImode handling.
3050 (unaligned_memory_operand): Return 1 for memory references with
3051 unaligned offsets. Remove CQImode handling.
3053 2010-01-18 Richard Guenther <rguenther@suse.de>
3056 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
3059 2010-01-18 Richard Guenther <rguenther@suse.de>
3061 PR tree-optimization/42781
3062 * tree-ssa-structalias.c (find_what_var_points_to): Skip
3063 restrict processing only if the original variable was artificial.
3065 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
3067 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
3068 find number of popped argument bytes.
3070 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
3071 Fix the text that describes the return value for invalid insns.
3073 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
3075 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
3076 Clarify what 'cost of the -dependence' is. Fix quoting.
3078 * toplev.c (default_get_pch_validity): Rename argument to "sz".
3079 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
3081 2010-01-17 Jakub Jelinek <jakub@redhat.com>
3083 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3084 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
3086 2010-01-17 Richard Guenther <rguenther@suse.de>
3089 * function.c (split_complex_args): Take a VEC to modify.
3090 (assign_parms_augmented_arg_list): Build a VEC instead of
3091 a chain of PARM_DECLs.
3092 (assign_parms_unsplit_complex): Take a VEC of arguments.
3093 Do not fixup unmodified parms.
3094 (assign_parms): Deal with the VEC.
3095 (gimplify_parameters): Likewise.
3097 2010-01-17 Richard Guenther <rguenther@suse.de>
3099 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
3100 node existence check.
3101 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
3102 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
3103 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
3104 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
3105 (gimple_execute_on_growing_pred): Likewise.
3107 2010-01-17 Richard Guenther <rguenther@suse.de>
3109 PR tree-optimization/42773
3110 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
3111 (compute_antic_aux): Likewise.
3112 (compute_partial_antic_aux): Likewise.
3114 2010-01-17 Jie Zhang <jie.zhang@analog.com>
3117 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
3120 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
3122 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
3125 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
3126 Fix markup for strict argument.
3128 (TARGET_SCHED_REORDER2): Fix argument types.
3130 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
3131 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
3133 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
3134 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
3136 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
3139 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
3140 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
3141 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
3142 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
3143 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
3145 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
3147 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
3149 (TARGET_ASM_RELOC_RW_MASK): Add return type.
3150 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
3152 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
3154 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
3157 (TARGET_ASM_NAMED_SECTION): Fix argument list.
3159 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
3160 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
3162 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
3164 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
3166 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
3167 referring to it. Fix language.
3169 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
3171 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
3173 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
3175 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
3177 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
3178 '@var{stream}. Remove stray 'and'.
3180 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
3182 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
3184 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
3186 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
3187 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
3189 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
3190 Fix description of return value.
3191 Rename argument "sz" to "len."
3193 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
3194 Clarify meaning of 'true' return value.
3196 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
3198 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
3199 rep_mode versus mode_rep.
3201 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
3203 (TARGET_BUILTIN_DECL): Fix name.
3205 (TARGET_COMMUTATIVE_P): Fix type of first argument.
3207 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
3209 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
3211 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
3213 (TARGET_RELAXED_ORDERING): Use @deftypevr.
3215 (TARGET_GET_DRAP_RTX): Note that this is a hook.
3218 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
3219 Rename argument tm_fn to md_fn.
3221 (TARGET_OPTION_PRINT): Fix argument list.
3223 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
3226 * config/i386/i386.c (ix86_fixup_binary_operands):
3227 Revert FMA4 fixup of operands.
3229 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3232 * Makefile.in (write_entries_to_file, install-plugin):
3233 Use \012 instead of \n with tr.
3235 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
3237 * configure.ac (HAVE_AS_REF): New C macro.
3238 * configure: Regenerate.
3239 * config.in: Likewise.
3240 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
3242 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
3245 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
3247 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
3249 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
3251 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
3253 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
3255 (TARGET_IN_SMALL_DATA_P): Fix argument type.
3257 (TARGET_BINDS_LOCAL_P): Fix argument type.
3259 (TARGET_ASM_FILE_END): Use prototype.
3261 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
3263 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
3265 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
3267 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
3269 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
3270 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
3272 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
3273 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
3275 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
3276 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
3277 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
3278 (TARGET_ADDR_SPACE_CONVERT): Likewise.
3280 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
3282 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
3284 (TARGET_INIT_BUILTINS): Use prototype.
3286 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
3287 Put 'const char *' in braces. Fix parameter types.
3288 (TARGET_INVALID_CONVERSION): Fix parameter types.
3289 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
3290 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
3292 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
3295 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
3297 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
3299 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
3301 * doc/tm.texi (TARGET_HELP): Fix return type.
3303 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
3304 in braces. Fix argument types.
3306 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
3308 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
3310 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
3312 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
3313 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
3315 (TARGET_MANGLE_TYPE): Fix argument types.
3317 (TARGET_IRA_COVER_CLASSES): Use prototype.
3319 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
3321 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
3323 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
3325 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
3327 (TARGET_CALLEE_COPIES): Fix argument types.
3329 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
3331 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
3333 (TARGET_FUNCTION_VALUE): Fix argument types.
3335 (TARGET_RETURN_IN_MSB): Fix argument type.
3337 (TARGET_RETURN_IN_MEMORY): Fix argument types.
3339 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
3341 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
3343 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
3344 agree with return type.
3346 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
3348 2010-01-15 Jing Yu <jingyu@google.com>
3350 PR rtl-optimization/42691
3351 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
3352 a pseudo to a constant and are merged, and adjust comments.
3354 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
3356 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
3358 2010-01-15 Richard Guenther <rguenther@suse.de>
3361 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
3362 labels of computed or non-local gotos to the destination.
3363 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
3364 landing pad label is the first label.
3366 2010-01-15 Richard Guenther <rguenther@suse.de>
3368 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
3370 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
3373 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
3374 to allow generation of the xssqrtdp instruction on power7.
3375 (sqrtdf2_fpr): Ditto.
3377 2010-01-14 Jakub Jelinek <jakub@redhat.com>
3380 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
3381 functions with noreturn attribute.
3384 * varasm.c (declare_weak): Add weak attribute to decl if it
3385 doesn't have one already.
3386 (assemble_external): Only add decls to weak_decls if they also
3387 have weak attribute.
3389 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
3391 * var-tracking.c (var_reg_delete): Don't delete the association
3392 between REGs and values or one-part variables if the register
3395 2010-01-14 Jakub Jelinek <jakub@redhat.com>
3398 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
3399 because its first operand is a non-localized variable.
3401 2010-01-14 Martin Jambor <mjambor@suse.cz>
3403 PR tree-optimization/42706
3404 * tree-sra.c (encountered_recursive_call): New variable.
3405 (encountered_unchangable_recursive_call): Likewise.
3406 (sra_initialize): Initialize both new variables.
3407 (callsite_has_enough_arguments_p): New function.
3408 (scan_function): Call decl and flags check only for IPA-SRA, check
3409 whether there is a recursive call and whether it has enough arguments.
3410 (all_callers_have_enough_arguments_p): New function.
3411 (convert_callers): Look for recursive calls only when
3412 encountered_recursive_call is set.
3413 (ipa_early_sra): Bail out either if
3414 !all_callers_have_enough_arguments_p or
3415 encountered_unchangable_recursive_call.
3417 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3419 * sel-sched.c: Add 2010 to copyright years.
3420 * sel-sched-ir.c: Likewise.
3421 * sel-sched-ir.h: Likewise.
3423 2010-01-14 Martin Jambor <mjambor@suse.cz>
3425 PR tree-optimization/42714
3426 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
3427 constructors specially.
3429 2010-01-14 Andi Kleen <ak@linux.intel.com>
3431 * config/i386/drivers-i386.c (detect_caches_intel):
3432 Add l2sizekb parameter and fill in.
3433 (host_detect_local_cpu): Add l2sizekb, fill in.
3434 Add Atom small cache heuristic.
3436 2010-01-14 Andi Kleen <ak@linux.intel.com>
3438 * config/i386/drivers-i386.c (detect_caches_cpuid4):
3439 Add level3 parameter and fill in.
3440 (detect_caches_intel): Handle level3 cache.
3442 2010-01-14 Andi Kleen <ak@linux.intel.com>
3444 * config/i386/drivers-i386.c (host_detect_local_cpu):
3445 Fix core duo detection.
3447 2010-01-14 Andi Kleen <ak@linux.intel.com>
3449 * config/i386/drivers-i386.c (host_detect_local_cpu):
3452 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3454 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
3455 (rs6000_variable_issue_1): this. Use...
3456 (rs6000_variable_issue): here. Reimplement. Print debug info.
3458 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3460 * sel-sched-ir.c (sel_restore_other_notes): Rename to
3461 sel_restore_notes. Update all callers. Call reemit_notes
3464 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3466 PR rtl-optimization/42246
3467 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
3470 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3472 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
3473 all successors is the same as number of successors in current region.
3475 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3477 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
3478 to rename is not separable. Otherwise check that its LHS is not NULL.
3480 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3482 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
3484 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3486 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
3487 available registers when failed to discover LHS register class.
3488 Fix indentation. Update comment.
3490 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3491 Alexander Monakov <amonakov@ispras.ru>
3493 PR rtl-optimization/42389
3494 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
3496 (advance_state_on_fence): Likewise.
3497 (sel_target_adjust_priority): Print debug output only when
3498 sched_verbose >= 4, not 2.
3499 (get_expr_cost): Do not issue all unique insns on the next cycle.
3500 (fill_insns): Initialize can_issue_more from the value saved
3502 * sel-sched-ir.c (flist_add): New parameter issue_more.
3503 Init FENCE_ISSUE_MORE with it.
3504 (merge_fences): Likewise.
3505 (init_fences): Update call to flist_add.
3506 (add_to_fences, add_clean_fence_to_fences)
3507 (add_dirty_fence_to_fences): Likewise.
3508 (move_fence_to_fences): Update call to merge_fences.
3509 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
3511 * sel-sched-ir.h (struct _fence): New field issue_more.
3512 (FENCE_ISSUE_MORE): New accessor macro.
3514 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3516 PR rtl-optimization/42388
3517 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
3518 that have no predecessors nor successors. Do not call move_bb_info
3519 for empty blocks outside of current region.
3521 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3523 PR rtl-optimization/42294
3524 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
3525 * sel-sched.c (move_exprs_to_boundary): Transitively add all
3526 originators' originators.
3528 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3530 PR rtl-optimization/39453
3531 PR rtl-optimization/42246
3532 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
3534 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
3536 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3537 Alexander Monakov <amonakov@ispras.ru>
3540 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
3541 (maybe_tidy_empty_bb): ... here. Make static. Add new
3542 argument. Update all callers.
3543 (tidy_control_flow): ... and here. Recompute topological order
3544 of basic blocks in region if necessary.
3545 (sel_redirect_edge_and_branch): Change return type. Return true
3546 if topological order might have been invalidated.
3547 (purge_empty_blocks): Export and move from...
3548 * sel-sched.c (purge_empty_blocks): ... here.
3549 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
3550 (maybe_tidy_empty_bb): Delete prototype.
3551 (purge_empty_blocks): Declare.
3553 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3555 PR rtl-optimization/42249
3556 * sel-sched.c (try_replace_dest_reg): When chosen register
3557 and original register is the same, do not bail out early, but
3558 still check all original insns for validity of replacing destination
3559 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
3562 2010-01-14 Jakub Jelinek <jakub@redhat.com>
3565 Port from no-undefined-overflow branch:
3566 2009-03-09 Richard Guenther <rguenther@suse.de>
3568 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
3570 2010-01-14 Richard Guenther <rguenther@suse.de>
3573 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
3575 2010-01-14 Ira Rosen <irar@il.ibm.com>
3577 PR tree-optimization/42709
3578 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
3579 as scalar type in creation of constant vector operand.
3581 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3584 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
3585 (check-parallel-%): Match `testsuite' directory component only
3588 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
3590 PR translation/39521
3591 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
3594 2010-01-13 Richard Guenther <rguenther@suse.de>
3596 PR tree-optimization/42730
3597 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
3600 2010-01-13 Steve Ellcey <sje@cup.hp.com>
3603 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
3604 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
3607 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
3609 * config/bfin/libgcc-bfin.ver: Regenerate based on current
3610 libgcc-std.ver. Add entries for ___smulsi3_highpart and
3611 ___umulsi3_highpart.
3613 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
3614 rather than schedule_insns if the pass is enabled.
3616 2010-01-13 Martin Jambor <mjambor@suse.cz>
3618 PR tree-optimization/42704
3619 * tree-sra.c (sra_modify_assign): Do not delete assignments to
3622 2010-01-13 Martin Jambor <mjambor@suse.cz>
3624 PR tree-optimization/42703
3625 * tree-sra.c (analyze_access_subtree): Check that we can build a
3626 reference to the original data within the aggregate.
3628 2010-01-13 Richard Guenther <rguenther@suse.de>
3630 PR tree-optimization/42705
3631 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
3633 2010-01-13 Richard Guenther <rguenther@suse.de>
3636 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
3638 2010-01-13 Jakub Jelinek <jakub@redhat.com>
3641 * var-tracking.c (values_to_unmark): New variable.
3642 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
3643 values_to_unmark vector. Moved body to...
3644 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
3645 instead queue it into values_to_unmark vector.
3646 (vt_find_locations): Free values_to_unmark vector.
3648 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
3650 * config/s390/s390.c (override_options): Set
3651 default of max-pending-list-length to 256
3653 2010-01-13 Richard Guenther <rguenther@suse.de>
3656 * tree-pass.h (PROP_gimple_lcx): New.
3657 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
3658 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
3659 before the final cleanup_eh.
3660 (dump_properties): Dump PROP_gimple_lcx.
3661 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
3662 (tree_lower_complex_O0): Remove.
3663 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
3664 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
3665 tree_lower_complex, schedule TODO_update_ssa.
3666 * lto-streamer-out.c (output_function): Stream the functions
3668 * lto-streamer-in.c (input_function): Likewise.
3669 (lto_read_body): Do not override them here.
3671 2010-01-12 Joseph Myers <joseph@codesourcery.com>
3674 * c-typeck.c (build_c_cast): Fold value cast to union type before
3675 wrapping it in a CONSTRUCTOR.
3677 2010-01-12 Jakub Jelinek <jakub@redhat.com>
3679 PR rtl-optimization/42699
3680 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
3683 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3685 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
3686 SUBTARGET_WARN_UNUSED_SPEC): Move ...
3687 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
3688 SUBTARGET_WARN_UNUSED_SPEC): ... here
3689 * config/mips/iris5.h (LIBGCC_SPEC): Define.
3691 2010-01-12 Julian Brown <julian@codesourcery.com>
3693 * config/arm/neon-schedgen.ml (Utils): Don't try to
3694 open missing module.
3695 (find_with_result): New.
3697 2010-01-12 Jakub Jelinek <jakub@redhat.com>
3700 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
3701 sharing when canonicalizing ({lt,ge}u (plus a b) b).
3703 PR tree-optimization/42645
3704 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
3705 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
3706 decl_map, set processing_debug_stmt to -1 and return name without
3709 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
3711 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
3712 binutils version, and reword target configuration description.
3714 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
3716 * config/avr/avr.h (LINKER_NAME): Remove.
3718 2010-01-11 Janis Johnson <janis187@us.ibm.com>
3721 * config/rs6000/rs6000.c (rs6000_override_options): On targets
3722 that support VSX, warn for -mno-altivec if vsx is not disabled,
3725 2010-01-11 Joseph Myers <joseph@codesourcery.com>
3726 Shujing Zhao <pearly.zhao@oracle.com>
3728 PR translation/42469
3729 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
3730 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
3731 character between option name and help text.
3732 * c.opt (imultilib): Likewise.
3734 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
3736 * lto-streamer-out.c (output_unreferenced_globals): Output static
3739 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
3741 PR rtl-optimization/42621
3742 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
3743 optimizing for size.
3744 (duplicate_computed_gotos): Remove now-redundant check.
3746 2010-01-10 Steve Ellcey <sje@cup.hp.com>
3749 * configure.ac: Save and restore LDFLAGS and LIBS
3750 * configure: Regenerate.
3752 2010-01-10 Richard Guenther <rguenther@suse.de>
3755 * builtins.c (fold_builtin_strlen): Add type argument and
3756 convert the resulting length to it.
3757 (fold_builtin_1): Adjust.
3759 2010-01-09 Jakub Jelinek <jakub@redhat.com>
3761 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
3762 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
3764 (num_insns_constant_wide): Adjust for that change.
3766 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3769 * web.c (union_defs): Add used argument, to combine uses of
3771 (entry_register): Adjust type and tests of used argument.
3772 (web_main): Widen used for new use. Pass it to union_defs.
3773 * df.h (union_defs): Adjust prototype.
3775 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3778 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
3779 uses in new incoming argument. Free body.
3780 (reset_debug_uses_in_loop): New.
3781 (analyze_insn_to_expand_var): Call the latter if the former found
3782 anything. Fix whitespace. Reject invalid dest overlaps before
3783 going through all insns in the loop.
3785 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3788 * haifa-sched.c (dying_use_p): Debug insns don't count.
3790 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3793 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
3794 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
3795 (verify_gimple_call): Reject LHS in noreturn calls.
3797 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3801 * tree-vect-loop-manip.c (adjust_info): New type.
3802 (adjust_vec): New pointer to vector.
3803 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
3804 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
3805 (slpeel_update_phis_for_duplicate_loop): Use them.
3806 (slpeel_update_phi_nodes_for_guard1): Likewise.
3807 (slpeel_update_phi_nodes_for_guard2): Likewise.
3808 (slpeel_tree_peel_loop_to_edge): Likewise.
3809 (vect_update_ivs_after_vectorizer): Likewise.
3811 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3813 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
3814 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
3816 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3818 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
3819 bogus uninitialized warning.
3821 2010-01-09 Richard Guenther <rguenther@suse.de>
3824 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
3825 the evolution is compatible with the initial condition.
3827 2010-01-09 Jakub Jelinek <jakub@redhat.com>
3829 * gcc.c (process_command): Update copyright notice dates.
3830 * gcov.c (print_version): Likewise.
3831 * gcov-dump.c (print_version): Likewise.
3832 * mips-tfile.c (main): Likewise.
3833 * mips-tdump.c (main): Likewise.
3835 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
3838 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
3840 (rotlhi3_8): Delete.
3842 (rotlsi3_8): Delete.
3843 (rotlsi3_16): Delete.
3844 (rotlsi3_24): Delete.
3846 (*rotw<mode>3): New.
3847 (*rotb<mode>3): New.
3848 * config/avr/avr.c (avr_rotate_bytes): New function.
3849 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
3851 2010-01-08 Steve Ellcey <sje@cup.hp.com>
3854 * configure.ac: Modify -rdynamic check.
3855 * configure: Regenerate.
3857 2010-01-08 DJ Delorie <dj@redhat.com>
3859 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
3860 register popping order.
3862 2010-01-08 Richard Guenther <rguenther@suse.de>
3865 * c.opt (fsigned-char): Also let LTO handle this option.
3866 (funsigned-char): Likewise.
3868 2010-01-07 Richard Guenther <rguenther@suse.de>
3870 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
3871 (gimple_op): Likewise.
3872 (gimple_op_ptr): Likewise.
3873 (gimple_assign_set_lhs): Remove gcc_assert.
3874 (gimple_assign_set_rhs1): Likewise.
3875 (gimple_assign_set_rhs2): Likewise.
3876 (gimple_call_set_lhs): Likewise.
3877 (gimple_call_set_fn): Likewise.
3878 (gimple_call_set_fndecl): Likewise.
3879 (gimple_call_fndecl): Likewise.
3880 (gimple_call_return_type): Likewise.
3881 (gimple_call_set_chain): Likewise.
3882 (gimple_call_num_args): Likewise.
3883 (gimple_call_set_arg): Likewise.
3884 (gimple_cond_set_code): Likewise.
3885 (gimple_cond_set_lhs): Likewise.
3886 (gimple_cond_set_rhs): Likewise.
3887 (gimple_cond_set_true_label): Likewise.
3888 (gimple_cond_set_false_label): Likewise.
3889 (gimple_label_set_label): Likewise.
3890 (gimple_goto_set_dest): Likewise.
3891 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
3892 (gimple_debug_bind_get_value): Likewise.
3893 (gimple_debug_bind_get_value_ptr): Likewise.
3894 (gimple_debug_bind_set_var): Likewise.
3895 (gimple_debug_bind_set_value): Likewise.
3896 (gimple_debug_bind_reset_value): Likewise.
3897 (gimple_debug_bind_has_value_p): Likewise.
3898 (gimple_return_retval_ptr): Remove gcc_assert.
3899 (gimple_return_retval): Likewise.
3900 (gimple_return_set_retval): Likewise.
3901 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
3902 (safe_referenced_var_iterator): Remove.
3903 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
3904 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
3905 (fill_referenced_var_vec): Remove.
3906 (first_readonly_imm_use): Remove redundant gcc_assert.
3907 (phi_arg_index_from_use): Combine gcc_asserts.
3908 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
3909 (first_imm_use_stmt): Remove redundant gcc_assert.
3910 * tree-cfg.c (verify_gimple_call): Verify function and chain
3911 operands. Verify arguments.
3912 (verify_types_in_gimple_stmt): Verify condition code and labels.
3914 2010-01-07 Richard Guenther <rguenther@suse.de>
3916 PR tree-optimization/42641
3917 * sese.c (rename_map_elt_info): Use the SSA name version, do
3920 2010-01-07 Jakub Jelinek <jakub@redhat.com>
3922 PR tree-optimization/42625
3923 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
3924 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
3926 2010-01-07 Duncan Sands <baldrick@free.fr>
3928 * Makefile.in (PLUGIN_HEADERS): Add version.h.
3930 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
3933 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
3934 note itself is not function_invariant_p.
3936 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
3938 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
3939 Do not add the DF_NOTE problem.
3940 * store-motion.c (execute_rtl_store_motion): Likewise.
3942 2010-01-07 Martin Jambor <mjambor@suse.cz>
3944 PR tree-optimization/42157
3945 * tree-sra.c (compare_access_positions): Stabilize sort if both
3946 accesses have integer types, return zero immediately if they are the
3949 2010-01-06 Richard Henderson <rth@redhat.com>
3952 * haifa-sched.c (add_to_note_list): Merge into ...
3953 (concat_note_lists): ... here, and ...
3954 (unlink_other_notes, rm_other_notes): Merge into...
3955 (remove_notes): ... here. Create REG_SAVE_NOTEs for
3956 NOTE_INSN_EPILOGUE_BEG.
3958 2010-01-06 Richard Guenther <rguenther@suse.de>
3960 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
3961 not inline regular functions into always-inline functions.
3963 2010-01-06 Nick Clifton <nickc@redhat.com>
3965 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
3966 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
3968 (OVERRIDE_OPTIONS): Delete.
3969 (OPTIMIZATION_OPTIONS): Define.
3970 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
3971 * config/rx/rx.c (rx_handle_option): Issue an error message if
3972 -mcpu=rx200 and -fpu are used together.
3973 (rx_set_optimization_options): New function. Issue an error
3974 message if an optimization attribute attempts to reset the FPU/
3975 math optimization pairing.
3976 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
3977 * config/rx/rx.opt: Set the default to 32-bit doubles.
3978 * config/rx/t-rx: Add multilibs for -nofpu option.
3979 * doc/invoke.texi: Update documentation of RX options.
3981 2010-01-06 Richard Guenther <rguenther@suse.de>
3983 * tree-ssa-pre.c (name_to_id): New global.
3984 (alloc_expression_id): Simplify SSA name handling.
3985 (lookup_expression_id): Likewise.
3986 (init_pre): Zero name_to_id.
3987 (fini_pre): Free it.
3989 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
3991 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
3993 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
3996 * config/i386/sse.md (smaxv2di3): New.
3997 (umaxv2di3): Likewise.
3998 (sminv2di3): Likewise.
3999 (uminv2di3): Likewise.
4001 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
4004 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
4005 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
4006 (legitimize_tls_address): Likewise.
4007 (sparc_tls_referenced_p): Likewise.
4008 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
4009 and adjust calls to legitimize_pic_address.
4010 (legitimate_constant_p) Use sparc_tls_referenced_p.
4011 (legitimate_pic_operand_p): Likewise.
4012 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
4013 (sparc_tls_symbol_ref_1): Delete.
4014 (sparc_tls_referenced_p): Make static, recognize specific patterns.
4015 (legitimize_tls_address): Make static, handle CONST patterns.
4016 (legitimize_pic_address): Make static, remove unused parameter and
4017 adjust recursive calls.
4018 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
4019 and adjust call to legitimize_pic_address.
4020 (sparc_output_mi_thunk): Likewise.
4022 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
4023 H.J. Lu <hongjiu.lu@intel.com>
4026 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
4027 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
4028 operands to make them signed.
4031 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
4034 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
4035 GTU to GT for V4SI and V2DI.
4037 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
4038 (umin<mode>3): Removed.
4040 (uminv4si3): Likewise.
4042 2010-01-05 Martin Jambor <mjambor@suse.cz>
4044 PR tree-optimization/42462
4045 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
4046 current_function_decl to helper functions and macros.
4048 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4051 * flags.h: Don't include real.h.
4052 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
4053 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
4054 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
4055 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
4056 * dominance.c: Update copyright.
4057 * gimple.c (walk_gimple_op): Remove inline.
4058 * tree-ssa-reassoc.c: Include real.h.
4059 * Makefile.in (FLAGS_H): Remove $(REAL_H).
4060 (tree-ssa-reassoc.o): Depend on $(REAL_H).
4062 2010-01-05 Nick Clifton <nickc@redhat.com>
4064 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
4065 register to push into the stack frame when the accumulator has to
4066 be saved during interrupts.
4068 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
4070 * doc/invoke.texi: Remove the documentation about option
4072 * common.opt (Wunreachable-code): Preserved for backward
4074 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
4075 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
4076 the backward compatibility flag section.
4078 2010-01-05 Richard Guenther <rguenther@suse.de>
4080 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
4082 2010-01-05 Jakub Jelinek <jakub@redhat.com>
4085 * cfgexpand.c (expand_one_var): Diagnose too large variables.
4087 PR tree-optimization/42508
4088 * tree-sra.c (convert_callers): Check for recursive call
4089 by comparing cgraph nodes instead of decls.
4090 (modify_function): Call ipa_modify_formal_parameters also
4091 on all same_body aliases.
4093 * cgraphunit.c (cgraph_materialize_all_clones): Compare
4094 cgraph nodes when checking for same_body aliases.
4096 2010-01-05 Richard Guenther <rguenther@suse.de>
4098 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
4099 allocation and lookup.
4100 (get_or_alloc_expr_for_constant): Likewise.
4101 (phi_translate): Sink allocation.
4103 2010-01-04 Richard Guenther <rguenther@suse.de>
4105 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
4106 a new entry only if needed.
4107 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
4108 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
4110 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
4112 (phi_translate): Handle CONSTANTs early.
4114 2010-01-04 Martin Jambor <mjambor@suse.cz>
4116 PR tree-optimization/42398
4117 * tree-sra.c (struct access): Removed flag grp_different_types.
4118 (dump_access): Do not dump the removed flag.
4119 (sort_and_splice_var_accesses): Do not set the removed flag.
4120 (sra_modify_expr): Check for type compatibility directly.
4122 2010-01-04 Martin Jambor <mjambor@suse.cz>
4124 PR tree-optimization/42366
4125 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
4126 edges with variable number of parameters.
4127 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
4128 flag instead of asserting it.
4129 (ipa_read_node_info): Read uses_analysis_done flag.
4131 2010-01-04 Richard Guenther <rguenther@suse.de>
4133 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
4134 iterative_hash_* as intended.
4135 (vn_reference_compute_hash): Likewise. Simplify hashing
4137 (vn_reference_lookup_2): Likewise.
4138 (vn_nary_op_compute_hash): Likewise.
4139 (vn_phi_compute_hash): Likewise.
4140 (expressions_equal_p): Remove strange code.
4141 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
4142 (pre_expr_hash): Likewise. Simplify hashing SSA names.
4143 (bitmap_insert_into_set_1): Take value-id as parameter.
4144 (add_to_value): Pass it.
4145 (bitmap_insert_into_set): Likewise.
4146 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
4148 2010-01-04 Jakub Jelinek <jakub@redhat.com>
4151 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
4152 (do_self_spec): For switches with SWITCH_IGNORE set set also
4153 SWITCH_IGNORE_PERMANENTLY.
4154 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
4157 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
4159 * lto-streamer-out.c (output_unreferenced_globals): Output the full
4160 tree of an unreferenced global var.
4162 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
4165 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
4166 GTU to GT for V4SI and V2DI.
4168 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
4169 (umin<mode>3): Removed.
4171 (uminv4si3): Likewise.
4173 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
4176 * collect2.c (main): Turn on trace in collect2 if -v is passed
4179 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
4181 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
4182 description of expression operand.
4184 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
4186 * configure.ac: Add install-html to target_list for Make-hooks.
4187 * configure: Regenerate.
4188 * fortran/Make-lang.in (F95_HTMLFILES): New.
4189 (fortran.html): Use it.
4190 (fortran.install-html): New.
4191 * Makefile.in (install-html): Add lang.install-html.
4192 * java/Make-lang.in (JAVA_HTMLFILES): New.
4193 (java.html): Use it.
4194 (java.install-html): New.
4195 * objc/Make-lang.in (objc.install-html): New.
4196 * objcp/Make-lang.in (obj-c++.install-html): New.
4197 * cp/Make-lang.in (c++.install-html): New.
4198 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
4199 * lto/Make-lang.in (lto.install-html): New.
4201 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
4204 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
4206 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
4208 PR rtl-optimization/41862
4209 * store-motion.c (store_killed_in_insn, compute_store_table,
4210 remove_reachable_equiv_notes, replace_store_insn,
4211 build_store_vectors): Ignore all DEBUG_INSNs.
4213 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
4216 * common.opt: Add dumpdir.
4218 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
4220 (option_map): Add --dumpdir.
4222 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
4224 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
4226 * opts.c (decode_options): Try dump_dir_name first if
4227 dump_base_name isn't an absolute path.
4228 (common_handle_option): Handle OPT_dumpdir.
4230 * toplev.c (dump_dir_name): New.
4231 (print_switch_values): Also ignore -dumpdir.
4233 * toplev.h (dump_dir_name): New.
4235 2010-01-03 Richard Guenther <rguenther@suse.de>
4237 PR tree-optimization/42589
4238 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
4239 double-word expansion of bswap32.
4241 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
4243 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
4244 with BLOCK_FOR_INSN.
4245 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
4246 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
4247 noce_process_if_block): Likewise.
4248 * gcse.c (compute_local_properties, insert_expr_in_table,
4249 insert_set_in_table, canon_list_insert, find_avail_set,
4250 pre_insert_copy_insn): Likewise.
4252 * basic-block.h (BLOCK_NUM): Move from here...
4253 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
4255 2010-01-03 Richard Guenther <rguenther@suse.de>
4257 PR tree-optimization/42438
4258 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
4259 contains_may_not_return_call flag.
4260 (BB_MAY_NOTRETURN): New.
4261 (valid_in_sets): Trapping nary operations are not valid
4262 in blocks that may not return.
4263 (insert_into_preds_of_block): Remove check for trapping expressions.
4264 (compute_avail): Compute also BB_MAY_NOTRETURN.
4266 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
4268 * doc/invoke.texi: Add 2010 to copyright years.
4270 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
4272 * config/sparc/sparc.c: Fix formatting nits.
4274 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
4275 Alexander Monakov <amonakov@ispras.ru>
4277 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
4279 2010-01-02 Richard Guenther <rguenther@suse.de>
4282 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
4283 (simplify_switch_using_ranges): Mark to be removed edges
4286 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4288 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
4290 * collect2.c (scan_libraries): Add missing argument in call to
4293 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
4296 * config/alpha/predicates.md (aligned_memory_operand): Return false
4298 (unaligned_memory_operand): Return true for CQImode.
4299 * config/alpha/alpha.c (get_aligned_mem): Assert that location
4300 doesn not cross aligned SImode word boundary.
4302 2010-01-02 Anatoly Sokolov <aesok@post.ru>
4304 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
4306 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
4307 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
4309 2010-01-02 Richard Guenther <rguenther@suse.de>
4312 * toplev.c (compile_file): Emit LTO marker properly. Change
4314 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
4316 2010-01-01 Richard Guenther <rguenther@suse.de>
4319 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
4321 2010-01-01 Richard Guenther <rguenther@suse.de>
4324 * c-decl.c (grokdeclarator): For zero-size arrays force
4325 structural equality checks as layout_type does.
4327 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
4329 * builtins.c: Update copyright to 2010.
4331 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
4334 * lto-streamer-out.c (produce_asm): Revert the last change.
4335 (copy_function): Likewise.
4337 * lto-streamer.c (lto_get_section_name): Skip any leading
4340 2010-01-01 Richard Guenther <rguenther@suse.de>
4343 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
4347 Copyright (C) 2010 Free Software Foundation, Inc.
4349 Copying and distribution of this file, with or without modification,
4350 are permitted in any medium without royalty provided the copyright
4351 notice and this notice are preserved.